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WHITING PETROLEUM CORPORATION, ) Case No

WHITING PETROLEUM CORPORATION, ) Case No

Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 1 of 649

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION

) In re: ) Chapter 11 ) WHITING PETROLEUM CORPORATION, ) Case No. 20-32021 (DRJ) et al. ) Debtors.1 ) Jointly Administered )

CERTIFICATE OF SERVICE

I, Ana M. Galvan, depose and say that I am employed by Stretto, the claims and noticing agent for the Debtors in the above-captioned case.

On September 2, 2020, at my direction and under my supervision employees of Stretto caused the following document to be served via first-class mail on the service list attached hereto as Exhibit A, and on one thousand five hundred sixty-seven (1,567) confidential parties not listed herein:

 Notice of (A) Entry of Order (I) Confirming the Joint Chapter 11 Plan of Reorganization of Whiting Petroleum Corporation and Its Debtor Affiliates and (II) Granting Related Relief, and (B) Occurrence of Effective Date (Docket No. 756)

Dated: September 16, 2020 /s/ Ana M. Galvan Ana M. Galvan STRETTO 410 Exchange, Suite 100 Irvine, CA 92602 Telephone: 800-330-2531 Email: [email protected]

______1 The Debtors in these chapter 11 cases, along with the last four digits of each debtor’s federal tax identification number, are: Whiting Canadian Holding Company Unlimited Liability Corporation (3662); Whiting Petroleum Corporation (8515); Whiting US Holding Company (2900); Whiting Oil and Gas Corporation (8829); and Whiting Resources Corporation (1218). The location of the debtors’ service address is: 1700 Lincoln Street, Suite 4700, Denver, Colorado 80203. Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 2 of 649

Exhibit A Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 3 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 1022 Investments LP Richard C Latham (Gp) 8625 King George Dr # 236 Dallas TX 75235 1280 Royalties LLC 5460 S Street Ste 335 Greenwood Village CO 80111 14 Dezavala LLC 14 Dezavala Place San Antonio TX 78231 1-800-Flowers.Com PO Box 29901 New York NY 10087-9901 1888 Industrial Services LLC PO Box 1180 Greeley CO 80632 1989 Hyde Mineral Collection A 6300 Ridglea Pl Ste 1018 Fort Worth TX 76116-5736 1Derrick Inc 1200 Smith St Ste 1600 Houston TX 77002 1St Int'L Bank & Trust A/C Vogel Law Firm Iolta Bernard Wright V Nancy Tronson Address Redacted 1St Intl Bank & Trust Suc Ttee Walter E Johnson Sr Irrev Tr Address Redacted 1St Intl Bank & Trust Trustee Satterthwaite Family Minerl Tr Address Redacted 1St Rate Energy Services Inc 116 Inverness Drive E Ste 275 Englewood CO 80112 2003 Walsh Family Trust Address Redacted 2008 Rankin Joint Revocable Trust LLC 4 Castlebridge Court Hilton Head Island SC 29928 20-20 Exploration LLC 1380 S Race St Denver CO 80210 2040 Royalty Holdings LLC 2301 S Capital Of Texas Hwy Suite J-102 Austin TX 78746 208 Racquette Drive LLC PO Box 1069 Fort Collins CO 80522 208 RACQUETTE DRIVE, LLC PO BOX 1069 Fort Collins CO 80522 259079 Ltd 630 6th Ave Sw 8th Floor Calgary AB T2P OS8 Canada Minot Social Club For Exceptional 2Nd Story Persons Inc 13 1st Ave Sw Minot ND 58701 3 Forks Resources LLC 1435 2nd St Se Minot ND 58701 3 Forks Services PO Box 2594 Williston ND 58802 360 Minerals LLC 2932 Nw 122nd St Ste 6 Oklahoma City OK 73120-1955 361 Services Inc 4700 S Syracuse St Ste 800 Denver CO 80237 3D Specialties Inc PO Box 1615 Fargo ND 58107-1615 3ES INNOVATION 800 250 2 STREET SW Calgary AB T2P 0C1 Canada 3Es Innovation 800 250 2 Street Sw Calgary AB T2P 0C1 Canada 3ES INNOVATION INC. 227 - 11TH AVENUE S.W. SUITE 400 Calgary AB T2R 1R9 Canada 3ES INNOVATION INC. (DOING BUSINESS AS "AUCERNA") 2711 CENTERVILLE ROAD SUITE 400 Wilmington DE 19808 C/O Ryan Geltel 3L Enterprises, LLP Registered Agent 123 E. PO Box 547 Williston ND 58802 4 Corners Hotshot LLC PO Box 2133 Dickinson ND 58602 4 Point Investments LLC PO Box 1999 Dickinson ND 58602 42 Interests LLC PO Box 470337 Ft Worth TX 76147 4B Resources LP C/O Blair Hyde Hamburg, Mgr 6300 Ridglea Place Suite 1018 Fort Worth TX 76116 4D Consulting Services Inc 2 Whitetail Dr Columbus MT 59019 4D Consulting Services Inc. Nathan Davis 212 Moonstone Lane Billings MT 59106 4M Minerals LLLP PO Box 1453 New Town ND 58763 4Nk Ltd PO Box 566 Post TX 79356 4NK LTD P O BOX 566 Post TX 79356 4R Inc PO Box 129 Laurel MT 59044-0129 STIFEL, NICOLAUS & COMPANY, 501 N BROADWAY INCORPOR ONE FINANCIAL PLAZA St Louis MO 63102 51 Fifty Solutions Inc PO Box 1190 Ault CO 80610-1190 5J Oil & Gas LLC 2305 Ne 56th Ave Portland OR 97213 609 Consulting LLC 1095 Saberton Ave Sheridan WY 82801 659 Overseas One Ltd 5545 Riviera Dr. Coral Gables FL 33146 659 Overseas One Ltd Luis Mercado 9130 S.Dadeland Blvd. Suite 1702 Miami FL 33156 701 Clean LLC 205 5th Ave Ne Watford City ND 58854 701 Energy LLC PO Box 1328 Dickinson ND 58602 701 Family Limited Ptnrship A Texas Ltd Ptnrshp C/O Kramer Pulliam & Shuttee Pc Address Redacted 701 Mechanical Inc PO Box 6 Makoti ND 58756 8 North LLC 370 17th St Ste 5300 Denver CO 80202 8 North, LLC 370 17th St Ste 5300 Denver CO 80202 8 NORTH, LLC ATTN: STEVE SMITH 370 - 17TH STREET SUITE 5300 Denver CO 80202 801 LLC PO Box 900 Artesia NM 88211-0900 88 Energy, Inc 2713 Racquet Club Drive Midland TX 79705 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 1 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 4 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 911 Oil & Gas LLC PO Box 101265 Fort Worth TX 76185 A & H Electric 45 Lane 19 1/2 Cody WY 82414 A & K Services LLC PO Box 1204 Sidney MT 59270 A & P Family LP PO Box 1046 Eunice NM 88231 A & S Energy Inc PO Box 304 Hartland MI 48353 A A Minerals LLC PO Box 3357 Englewood CO 80155 A B Anderson C/O Gladys Pederson Address Redacted A B Production Company 155 South Elm Street Denver CO 80246 A C E A Mineral Corporation 638 Meadow Lane Bismarck ND 58504 A Caroline Cook Address Redacted A D Jawroski Address Redacted A D Munger Address Redacted A Duane Njos Address Redacted A Duane Rene Address Redacted A E Barber Address Redacted A E Besch Legacy LP C/O Verabank Na PO Box 820 Henderson TX 75653 A Essam Radwan & Wendy Shaffer-Radwan J/T A G ANDRIKOPOULOS RESOURCES INC PO BOX 788 Cheyenne WY 82003-0788 A G Andrikopoulos Resources Inc PO Box 788 Cheyenne WY 82003-0788 A G ANDRIKOPOULOS RESOURCES INC PO BOX 788 Cheyenne WY 82003-0788 A G S Limited Partnership PO Box 22084 Denver CO 80222-0084 A Garret Rehak Address Redacted A H And Cora Walken Joint Tenants Address Redacted A J Merten Address Redacted A J Pedersen Address Redacted A Janette Tjelde C/O Steven & Denise Tjelde Address Redacted A Jay Seiler Address Redacted A Joyce Wuertz Address Redacted A K Guthrie Address Redacted A K Guthrie 2006 Rev Tr Mark Morgan Glynna Mouton Ben Ella Stewart Co-Tees Address Redacted A K Guthrie Grandchilds Trust Andrea Kay Nelson And Robert M Nelson Trtee Address Redacted A K Guthrie Grandchilds Trust Kimberly Guthrie Glynna Mouton Mark Morgan Ben Stewart Trtees Address Redacted A L Carlson Address Redacted A L Holdings LLC 9574 S Chesapeake St Highlands Ranch CO 80126 A L Mitchell Address Redacted A L Penn Address Redacted A M Duncan Address Redacted A M Fruh Address Redacted A M Kuhfeld Address Redacted A M Lindbo Family Trust Connie Shure & Rodney A Lindbo, Trustees Address Redacted A N & G D Anderson Living Tr Arnold N & Gail D Anderson -Tr Address Redacted A P Merritt Sr Family Trust Margaret B Merritt & A P Merritt As Co-Trustees Address Redacted A Paul Clark III Address Redacted A Precious Child Inc 7051 W 118th Ave Broomfield CO 80020 A R Evans & Associates 1612 Rancho Guadalupe Trail Nw Albuquerque NM 87107 A R Gingras Address Redacted A R Mersiovsky Address Redacted A Russell And Myrtle C Moodie Joint Tenants Address Redacted A Ryland Howard Address Redacted A Scott Grim Address Redacted A Smith Address Redacted A V M Inc PO Box 411 Bismarck ND 58502-0411 A V M Inc PO Box 411 Bismarck ND 58502 A V M INC PO BOX 411 Bismarck ND 58502-0411 A W Duperier III Address Redacted A W Fleming & Co PO Box 70170 Oro Valley AZ 85737-0029 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 2 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 5 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country A&S Noyes LLC 21576 155th St Basehor KS 66007-3055 A.C. Harke Address Redacted A.H. Seebold Trust Martha Seebold & Martha M Martyn Ttees Address Redacted A+ Electric Motor Inc PO Box 31434 Billings MT 59107 A-1 Lock & Key 812 W 3rd Big Spring TX 79720 A2D Technologies Inc PO Box 733255 Dallas TX 75373-3255 A2D TECHNOLOGIES, INC D/B/A TGS GEOLOGICAL PRODUCTS AND SERVICES 10451 CLAY ROAD Houston TX 77041 A2D Technologies, Inc., d/b/a TGS Geological Products Gieger Laborde and Laperouse, Suite 4800, 701 Poydras and Services Andrew A Braun, Esq, LLC Street New Orleans LA 70139 A2D Technologies, Inc., d/b/a TGS Geological Products and Services Gena Glover, Esq.; Legal Department 10451 Clay Road Houston TX 77041 A-8 Investment Company C/O John Anderson PO Box 17397 Salt Lake City UT 84117 Aaa Heating & Sheet Metal Inc 3451 Se Minot ND 58701 Aafedt Family Mineral Trust Dtd 12/28/91 Dean W Aafedt - Tr Address Redacted Aamoth, Avery Address Redacted Aardahl, Alex Address Redacted Aardvark Oil Company 4926 Crestline Road Fort Worth TX 76107-3710 Aaron A Link Address Redacted Aaron Bergan Address Redacted Aaron Curtis Nottestad Address Redacted Aaron D Trauger Address Redacted Aaron Dwyer Address Redacted Aaron Faiman Address Redacted Aaron Geller Address Redacted Aaron H Love Address Redacted Aaron Harstad Address Redacted Aaron Houchen Address Redacted Aaron James Leroux Address Redacted Aaron Lee Warrington Address Redacted Aaron M Arcand Address Redacted Aaron M Hendrickson Address Redacted Aaron Yourk Address Redacted Aaron Zimmiond Address Redacted Aasen, Gavin Address Redacted Abaco Energy LLC 8606 Island Rd Bismarck ND 58503-9227 ABACO ENERGY LLC 8606 ISLAND RD Bismarck ND 58503-9227 Abacus Computers Inc 6 Desta Drive Suite 1350 Midland TX 79705 Abbe G Delong Address Redacted Abby Jo Mccaslin Address Redacted Abc Fencing & Oil Field Services Llc Po Box 783 Belfield ND 58622 Abel Orosco Sr Address Redacted Abercrombie Energy Inc PO Box 137478 Fort Worth TX 76136 ABERCROMBIE ENERGY INC PO BOX 137478 Fort Worth TX 76136 Aberle, Todd Address Redacted Abh Baxter LP PO Box 1649 Austin TX 78767 Abigail Elizabeth Clark Sommer Address Redacted Abigail L Ditton And Thomas J Ditton Joint Tenants Address Redacted Able Incorporated 1951 1st St West Dickinson ND 58601 Abm Janitorial Services 3800 Buffalo Speedway #325 Houston TX 77098 Abm Janitorial Services PO Box 419860 Boston MA 02241-9860 ABN AMRO CAPITAL USA LLC Legal Department 100 Park Ave FL 17 New York NY 10017 Abn Amro Clearing Chicago LLC Kim Vilara 175 W. Jackson Blvd Suite 400 Chicago IL 60605 Abrahamson, Jon Address Redacted Abraxas Petroleum Corp 18803 Meisner Dr San Antonio TX 78258 Abraxas Petroleum Corp 18803 Meisner Dr San Antonio TX 78258-4240 ABRAXAS PETROLEUM CORP 18803 MEISNER DR. San Antonio TX 78258-4240 ABRAXAS PETROLEUM CORPORATION 18803 MEISNER DR. San Antonio TX 78258-4240 Ac Mechanical And Engineering 5160 Parfet St #B2 Wheat Ridge CO 80033 Ac Mechanical Inc PO Box 611 Fairview MT 59221 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 3 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 6 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Acc Business Acct No: 00001207731 Po Box 105306 Atlanta GA 30348-5306

ACCELERATED PRODUCTION SERVICES INC.-4431 1585 SAWDUST ROAD, SUITE 210 Spring TX 77380 HUNTINGTON NATIONAL ACCOUNTANT DAVID GUNNING BANK/FBO OHIO PO 5555 CLEVELAND AVE GW4E62 Columbus OH 43231 Accountemps PO Box 743295 Los Angeles CA 90074-3295 Ace American Insurance Company (Chubb) 436 Walnut Street Po Box 1000 Philadelphia PA 19106-3703 Ace Fire Protection LLC 2502 Evergreen Road N Fargo ND 58102 ACE IN THE HOLE CONSTRUCTION PO BOX 646 Buffalo SD 57720 Ace In The Hole Construction Attn: Colt Les Floyd PO Box 646 Buffalo SD 57720 ACE IN THE HOLE CONSTRUCTION PO BOX 646 Buffalo SD 57720 Ace Investment Co 129 Eagle St Fargo ND 58102 Achurch Jr Living Trust Robert & Emma Achurch Trustees Address Redacted Acker Electric Inc 307 17th Street Cody WY 82414 Ackerson Fmly Trust Dtd 2-1-98 Jeffrey S Ackerson, Trustee Address Redacted Ackk Minerals LLC 502 14th Ave West Williston ND 58801-4625 Acklam Inc 195 Telluride St Ste 7 Brighton CO 80601 Acme Electric Motor Inc PO Box 13720 Grand Forks ND 58208-3720 Acme Oil Co PO Box 4 Longview TX 75601 Acme Oil Corp LLC 1051 D West Hwy 34 Loveland CO 80537 ACME OIL CORP LLC 1051 D WEST HWY 34 Loveland CO 80537 Acme Oil Corp LLC 1051-D W Highway 34 Loveland CO 80537 Acme Tools - Williston 4960 Hwy 85 Williston ND 58801-8610 Acme Truck Line Inc Msc-410683 P O Box 415000 Nashville TN 37241-5000 Acom Solutions Inc 2850 E 29th St Long Beach CA 90806 Acoma Energy LLC 4100 E Mississippi Ave Ste 400 Denver CO 80246 Acquilla Williams 27745 Hwy 6 St Maries ID 83861 Acs Farms LLC PO Box 907 Laurel MT 59044 Ada Bell Smith Address Redacted Adah G Pantaleo Family Partnership LLP Address Redacted Adaire M Harris C/O Carol Borden Address Redacted Adam & Patricia Decker Trust Dtd February 24, 1995 Patricia Decker, Trustee Address Redacted Adam B Bartle Address Redacted Adam Chappell Address Redacted Adam Chiplinsky Address Redacted Adam D Blum Address Redacted Adam Dietz Jr C/O Susan Dietz Address Redacted Adam F Spelletich Address Redacted Adam Hebener Address Redacted Adam J And Helen G Marsh Family Trust Dtd 04/27/92 Adam J & Helen G Marsh Ttees Address Redacted Adam James Schmidt Address Redacted Adam Knight Rubey Address Redacted Adam R Herring Address Redacted Adam R Mayer Address Redacted ADAM RESOURCES 6603 KIRBYVILLE Houston TX 77033 ADAMS PARTNERSHIP LLP PO BOX 503 Forsyth MT Adams Trucking Inc 1655 Industrial Ave Sidney NE 69162 Adams Warehousing LLC 1655 Industrial Ave Sidney NE 69162-3239 Adan Prieto Address Redacted Add Source Group LLC PO Box 660832 Birmingham AL 35266 Addax Minerals Fund 2012 LP 5950 Berkshire Ln Ste 1250 Dallas TX 75225 Addax Minerals LLC 5950 Berkshire Lane Suite 1250 Dallas TX 75225 Addicott, Larae Address Redacted Addie Pitman Holder Address Redacted ADDISON GROUP 125 S. WACKER DR., SUITE 2700 Chicago IL 60606 Addison Group 7076 Solutions Center Chicago IL 60677-7000 Addison Lee Pfluger Address Redacted Ade Royalty Partnership PO Box 1558 Naples FL 34106 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 4 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 7 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Adeane Panko Address Redacted Adel M Lacounte Address Redacted Adelaide Borstad Address Redacted Adele Elletson Life Estate Address Redacted Adele L Skoda Address Redacted Adeline Cinder Trust Adeline Cinder Murray & Donald F Cinder, Succ Co-Ttees Address Redacted Adenline Brandenburg (Deceased) Address Redacted Adler Hot Oil Service LLC Department 3946 Box 123946 Dallas TX 75312-3946 Adler Tank Rentals PO Box 45081 San Francisco CA 94145-0081 Admin Of Veteran'S Affairs 11 Patterson Lake Dr Dickinson ND 58601 Admiral Enterprises LLC 8 W Park St Suite 303B Butte MT 59701 GARLINGTON LOHN & ROBINSON, ATTN: EMMA MEDIAK ADMIRAL INSURANCE CO. PLLP CHARLES MCNEIL PO BOX 7909 Missoula MT 59807 ADOBE 345 San Jose CA 95110-2704 Adolph C Larsen Address Redacted Adolphus Riggs Iii Address Redacted Adrian M Reece Address Redacted Adriane Mcomber Address Redacted Adrienne F Parsons Family Trust Adrienne F Parsons, Trustee Address Redacted Adrienne Rosenfeld TOD David Scott Rosenfeld Subject To Sta TOD Rules 15 Searingtown Rd Albertson NY 11507 Adrienne Stepanek Address Redacted Adrienne Wagner Address Redacted Advance Ross Corporation Address Redacted Advanced Business Methods 1515 13th Ave E West Fargo ND 58078-3403 Advanced Fire Inc PO Box 273073 Fort Collins CO 80527 Advanced Network Management Inc Po Box 561489 Denver CO 80256-1489 Advanced Network Management Mary Calderwood 4001 Jefferson Plaza NE Albuquerque NM 87109 ADVANCED NETWORK MANAGEMENT, INC. PO BOX 94840 Albuquerque MN 87199 Advanced Products Inc Pressure Control Systems & Supply Po Box 727 Ellisville MS 39437 Advanced Resources LLC 1531 Clipper Place Bismarck ND 58504 ADVANCED RESOURCES LLC 1531 CLIPPER PLACE Bismarck ND 58504 Advanta Ira Trust Cust Fbo William C Maupin Address Redacted Advanta Resources LLC PO Box 116 Ross ND 58776 Advantage Business Capital Fbc Alchemy Technology Group Po Box 4283 Dept 6161 Houston TX 77210-4283 5910 N CENTRAL EXPRESSWAY, ADVANTAGE MIDSTREAM LLC-8294 SUITE 1800 Dallas TX 75206 Advantaira Trust Custodian Fbo William C Maupin C/O Madison Royalty Mgmt Llc 402 Gammon Pl Ste 200 Madison WI 53719 Advantaira Trust Fbo Wayne W Farthing Address Redacted ADVISOR ENERGY 3139 W HOLCOMBE BLVD #A73 Houston TX 77025-1533 Advisor Energy Inc 12 Greenway Plaza Ste 1100 Houston TX 77046 Ae2S Construction, LLC c/o Ebeltoft Sickler Lawyers Pllc Attn: Nicholas Grant 2272 Eighth Street West Dickinson ND 58601 Ae2S Construction, LLC c/o Ebeltoft Sickler Lawyers Pllc Attn: Randall Sickler 2272 Eighth Street West Dickinson ND 58601 Aecom - Mississippi Department Of Environmental Quality - Air Permitting Amendment 6200 South Quebec Street Greenwood Village CO 80111 Aecom - Registration Program Preparations 6200 South Quebec Street Greenwood Village CO 80111 Aecom Technical Services Inc 1178 Paysphere Circle Chicago IL 60674 AECOM TECHNICAL SERVICES INC-2644 1178 PAYSPHERE CIRCLE Chicago IL 60674 AECOM TECHNICAL SERVICES, INC. 6200 SOUTH QUEBEC STREET Greenwood Village CO 80111 AECOM Technical Services, Inc. Nicholas Surace 303 E. Wacker Drive Suite 1400 Chicago IL 60601 Aed Authority 8091 Shaffer Parkway Littleton CO 80127 Aed Group LLC Attn: April Pinon 4100 E Mississippi Ave Ste 400 Denver CO 80246 Aegis Chemical Solutions PO Box 679380 Dallas TX 75267-9380 Aei Holdings LLC 15305 Dallas Pkwy Ste 300 Addison TX 75001 Carrera 27 #7B - 145 Edificio Belair AES INVERSIONES SAS Attn: Silvia Isabel Escobar Uribe Apt 602 Medellin 050021 Colombia AES INVERSIONES SAS Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Aetna Inc Aetna-Middleton Po Box 88860 Chicago IL 60695-1860 Ag Royalties LLC PO Box 560161 The Colony TX 75056 Ag Wassenaar Inc 2180 South Ivanhoe St Suite 5 Denver CO 80222 Agar Corporation Inc 5150 Tacoma Dr Houston TX 77041 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 5 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 8 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Agatha Higgins Address Redacted Agatha Johnson Address Redacted Agatha R Lipovac Address Redacted Aggietech Energy Services LLC Dba Big Bear Aggitech Po Box 7742 Midland TX 79708 Agi - The Easy Copy Company 650 W Bough Lane Ste 150-117 Houston TX 77024 Agnes Arlene Kongslie Estate Address Redacted Agnes Christensen Family Mineral Trust - Gloria Hansen & Thomas Christensen - Co-Tr Address Redacted Agnes Clay Address Redacted Agnes Custer Address Redacted Agnes Dugan Address Redacted Agnes Frank Address Redacted Agnes Hull Life Estate Address Redacted Agnes Johnson Estate George Wallinger, Pr Address Redacted Agnes M Crovella Address Redacted Agnes Nelson Address Redacted

Agnes R Kostelecky Mineral Tr Dean Kostelecky, Trustee Address Redacted Agnes V Jones Estate Timothy M Jones Pr Address Redacted Ag-News PO Box 45546 Boise ID 83711 Agri Properties LLP 10050 Co Rd 17A Westhope ND 58793 AGRI PROPERTIES LLP 10050 CO RD 17A Westhope ND 58793 Agribank Fcb Attn: Minerals 1W 30 E 7th St Ste 1600 St Paul MN 55101 Agua Libre Midstream LLC PO Box 841685 Dallas TX 75284-1685 Agua Negra Partnership Ltd Four Points Inc Gnrl Partner P O Box 752 Breckenridge TX 76424 AGW 2180 SOUTH IVANHOE STREET SUITE 5 Denver CO 80222 Ah Inc Helfrich Industires Po Box 241 Killdeer ND 58640 Ahmed I Helmy Address Redacted Ahmed Khalil Address Redacted Aicpa 220 Leigh Farm Rd Durham NC 27707 Aidan Benson Thomas Benson - Trustee Address Redacted Aim Oilfield Services LLC 2640 Broadway St Ste 106 Pearland TX 77581-4907 AIM OILFIELD SERVICES LLC 2640 BROADWAY ST STE 106 Pearland TX 77501-4007 AIMHIRE LLC 1775 SHERMAN ST., SUITE 1775 Denver CO 80203 Aimhire LLC 750 W Hampden Ave Ste 325 Englewood CO 80110 AIMHIRE, LLC 750 W. HAMPDEN AVE. STE 325 Englewood CO 80110 Ainsley A Fiedler Address Redacted Air And Waste Management Association Koppers Building 436 Seventh Ave Ste 2100 Pittsburgh PA 15219 Air Pollution Testing Inc 5530 Marshall Street Arvada CO 80002 Air-Con Inc 4835 West 23rd St Erie PA 16506 AIRES PO Box 536459 Pittsburgh PA 15253-5906 AIRES Attn: Lance Allen 7777 Center Avenue, Suite 300 Huntington Beach CA 92647 Airgas Great Lakes Inc PO Box 802576 Chicago IL 60680-2576 Airgas Mid South, Inc PO Box 676015 Dallas TX 75267-6015 Airgas On-Site Safety Services Inc Accounts Receivable 125 20th St S Texas City TX 77590-8407 Airgas Usa LLC PO Box 676015 Dallas TX 75267-6015 Airgas USA, LLC Rikki H Dixon 110 West 7th Street Suite 1300 Tulsa OK 74119 Ajax Oil Company PO Box 1743 Billings MT 59103 Ajax Oil LLC 9200 E Mineral Ave Ste 200 Centennial CO 80112 Ak Resources LLC 3400 S Broadway Ste 100 Englewood CO 80113-2525 Aka & E Properties LLC PO Box 150428 Lakewood CO 80215 Akamai Trust Dtd 3-2-2010 Melissa Moon - Trustee Address Redacted Akers & Thompson LLC 4700 S Syracuse St, Ste 810 Denver CO 80237 Akind LLC 8260 Huffine Lane Bozeman MT 59718 6824 North Sam Houston, Parkway Aks Technologies West Houston TX 77064 Al Fole Royalty Holdings LLC 5166 S Kenton Way Greenwood Village CO 80111 Alabama Department of Environmental Management PO Box 301463 Montgomery AL 36130-1463 Alabama Department of Labor Attn: Fitzgerald Washington 649 Monroe St Montgomery AL 36131 Alabama Department Of Revenue 50 North Ripley Street Montgomery AL 36104 Alabama Department of Treasury Attn: John McMillan 600 Dexter Avenue Room S-106 Montgomery AL 36104 Alabama EEOC - Birmingham District office Attn: Bradley A. Anderson Ridge Park Place 1130 22nd Steet South Suite 2000 Birmingham AL 35205 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 6 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 9 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Alabama Occupational Safety and Health Administration Birmingham Area Office Medical Forum Building 950 22nd Street N Room 1050 Birmingham AL 35203 Alabama Office Of The Attorney General 501 Washington Ave Montgomery AL 36104 Alabama Office of the Attorney General Attn: Steve Marshall State of Alabama 501 Washington Avenue Montogomery AL 36104 Alabama Office of the Attorney General Consumer Interest Division State of Alabama 501 Washington Avenue Montogomery AL 36104 Alabama Securties Commission Attn: Joseph Borg PO Box 304700 Montogmery AL 36130 Alabama Securties Commission Attn: Joseph Borg RSA Dexter Avenue Building 445 Dexter Avenue Suite 12000 Montogmery AL 36104 Aladdin Financial Inc For Blueprint Energy Partners 1201 W Russell St Sioux Falls SD 57104 ALAMEDA ENERGY INC CONI J STOKES A-I-F 727 N WACO, #400 Wichita KS 67203 Alameda Energy Inc Coni J Stokes A-I-F 727 N Waco, #400 Wichita KS 67203 Alan & Debra Fedorenko Mineral Trust Dtd 1-27-2010 Alan Fedorenko, Trustee Address Redacted Alan & Wanda Tofte Family Tr Address Redacted Alan And Sandra Kay Solberg Address Redacted Alan B & Sheryl L Van Campen Address Redacted Alan Brad Gabbard Address Redacted Alan Byrnes Address Redacted Alan C & Marjorie Ann Harp Life Estate Address Redacted Alan C Erickson Address Redacted Alan C Romo Address Redacted Alan Cain Address Redacted Alan Casey Barineau Address Redacted Alan Charles Harp Life Estate Address Redacted Alan D Groves Address Redacted Alan D. Cohoon Address Redacted Alan E Sommerfeld Address Redacted Alan Ertel Address Redacted Alan George Fisser Address Redacted Alan J & Rachel R Bergstrom Jtwrs Address Redacted Alan J Bruins Address Redacted Alan J Kadrmas & Jeanie M Kadrmas, Joint Tnts Address Redacted Alan Kreitinger Address Redacted Alan Kreitinger Life Estate Address Redacted Alan L Nordell Irrevocable Trust Address Redacted Alan L Quale Address Redacted Alan Lee & Barbara Nelson Jt Address Redacted Alan Lee Pettit Address Redacted Alan Lewis Couling Address Redacted Alan M Robinson Address Redacted Alan M Tvenge Address Redacted Alan Moritz Address Redacted Alan Omoth And Patricia Omoth Jtwros Address Redacted Alan P And Maria R Emmendorfer Alan P And Maria R Emmendorfer Trust Address Redacted

Alan R Evans Living Trust Alan R Evans & Sharon Evans Address Redacted Alan R Evans Living Trust Sharon Evans Address Redacted Alan R Evans Sharon Evans Address Redacted Alan R Hannifin Address Redacted Alan R Pletsch Address Redacted Alan R Timms Trustee Of Timms Family Trust Dtd 11/15/94 Address Redacted Alan S Waggoner Address Redacted Alan Sandy Address Redacted Alan Solberg Address Redacted Alan T Hill Address Redacted Alan Tofte Address Redacted Alan Vachal Address Redacted ALAN WESLEY HOWARD Address Redacted Alann B Sampson Address Redacted

Alann P. Bedford Trust Charlotte J Bedford Lange Ttee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 7 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 10 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Alantson A Hurt & Barbara A Hurt PO Box 707 Belfield ND 58622 Alati Arnegard LLC 5727 S Lewis Ave Ste 300 Tulsa OK 74105 Alati Arnegard LLC Address Redacted Albert & Edithe Stransky Lv Tr Albert P Stransky, Ttee Address Redacted Albert & Effie Hondl Family Mineral Tr Dtd July 30, 2013 Kerry A Hondl, Trustee Address Redacted Albert & Margaret Hibl Min Tr Albert & Margaret Hibl Co- Ttee Catherine Etzler Co-Guardian Address Redacted Albert & Margaret Hibl Minl Tr Margaret Hibl,Catherine Etzler & Kenneth A Hibl, Co-Trustees Address Redacted Albert & Mary Lorene Steckler Intervivos Trust Craig T Steckler Trustee Address Redacted Albert A Kuntz Address Redacted Albert and Ursula Wiesner Address Redacted Albert Bjella Address Redacted Albert Brigham Address Redacted Albert C Allen Address Redacted Albert D White Jr Address Redacted Albert Dawkins Address Redacted Albert F & Edithe Stransky Address Redacted ALBERT G METCALFE Address Redacted Albert G Metcalfe Iii Address Redacted ALBERT G METCALFE, III Address Redacted Albert H Fox Address Redacted Albert H Fox Trust Albert H Fox - Trustee Address Redacted Albert J Davis & Ida Davis Joint Tenants Address Redacted Albert J Hecker & Audrey Hecker Minerals Trust Kimberly Buckley Poa Address Redacted

Albert J Hecker Minerals Trust Albert J Hecker, Trustee Address Redacted Albert J Smith C/O Hhr Corporation 2050 W Sam Houston Parkway No. Houston TX 77043 Albert J Tormaschy & Genevieve Tormaschy Fmly Minl Trust, Bettina Gress - Trustee Address Redacted Albert L & Verna F Kamp Mineral Trust Russell C Felt & Kendall A Kamp, Ttees Address Redacted Albert L Kamp Address Redacted Albert L Kelln Address Redacted Albert L Shomento Jr & Anna Marie Shomento Address Redacted Albert Lindahl Address Redacted Albert Lowe Address Redacted Albert M Larsen Address Redacted Albert M Wick Address Redacted Albert M Wick & Donnis E Wick Living Trust Dtd 03/10/04 Donnis E Wick Trustee Address Redacted Albert Milton Hunter Address Redacted Albert P & Anita Kessel Address Redacted Albert P Kessel Address Redacted Albert Radcliffe Trust Bank Of The West - Trustee Address Redacted Albert Ruffin Equity Trust Co- Custodian Address Redacted Albert Vogele Address Redacted Albert Vogele & Lois S Vogele H/W Address Redacted Albert W Schaubel Jr Address Redacted Albert W. Wiggin Address Redacted Albert Weigum Living Trust Albert A Weigum Trustee Address Redacted Albertina Berg Address Redacted Alberts Water & Wastewater Specialists Inc 425 John Deere Dr #5 Fort Collins CO 80524 Albrecht, David Address Redacted Albright, Scott Address Redacted Alchemy Technology Group LLC 11 Greenway Plaza Ste 2600 Houston TX 77046 Alchemy Technology Group, LLC P.O. Box 4356 Dept. 1928 Houston TX 77210-4356

ALCHEMY TECHNOLOGY GROUP, LLC 11 GREENWAY PLAZA SUITE 2600 Houston TX 77046 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 8 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 11 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Alchemy Technology Group, LLC Travis David Graham 11 Greenway Plaza Suite 2600 Houston TX 77046 Alco Gas & Oil Production Equipment Ltd 5203 75th Street Edmonton AB T6E 5S5 Canada Alda And Arnold Olson Family Trust Daren D Theige Trustee Address Redacted Alda M Cook Address Redacted Alden Frederickson Address Redacted

Alden H Gjevre Mineral Trust First Intl Bank & Trust - Tr Attn Trust Dept 3001 25Th St S Fargo ND 58103

Alden H Gjevre Mineral Trust First Western Bank & Trust Address Redacted Alden Hewson Address Redacted Alden J Morrison Address Redacted Alderton, Jared Address Redacted Aldrich, Andrew Address Redacted Aldridge 84 Limited Duncan OK 73533 Aleatha Loyce Scarborough Address Redacted Alec Rae Mccaslin Address Redacted Alecia Mae Wells Address Redacted Alejandro Jose Azcunes Ciavaldini Address Redacted Alert Systems Technologies LLC 111 Pelican St Lafayette LA 70507-3638 Aleta Cooley Address Redacted Aleta Knox-Mowry Address Redacted Aletha Sewell Estate C/O Pola June Sewell Estate Lloydina Elliot Address Redacted Aletta Allen Address Redacted Alex Erickson Family Royalties Address Redacted Alex F Weisberg Jr Address Redacted Alex G Maragos Address Redacted Alex Haspert Address Redacted Alex Lorence Address Redacted Alex Mccann Johnson Address Redacted Alex Singer Royalty Trst 1 Dept 130 Tulsa OK 74182 Alex T Ritter C/O Thomas T Ritter Aif Address Redacted Alexander A & Marie Mcgregor Address Redacted Alexander Bennett Campbell V Address Redacted Alexander Community Activities PO Box 464 Alexander ND 58831 Alexander Erickson Trust 89 Shelley Ann Masterson & Timothy James Erickson - Tr Address Redacted Alexander Kroner Jeremy Kroner - Custodian Address Redacted Alexander L Bezzerides Address Redacted Alexander M Apostolos Address Redacted Alexander N C Cox Nicholas R Cox Poa Address Redacted Alexander, Steven Address Redacted

Alexandra Lynn Chunn Trust Alexandra L Chunn Trustee Address Redacted Alexandra M Amos Address Redacted Alexandra P Green Address Redacted Alexandra Willen Address Redacted Alexei Milkov Address Redacted Alexis Arcand Tst Under Last Will & Test Of Lorraine Arcand Kimberly J Daniel Ttee Address Redacted Alexis England Small Address Redacted Alexis K Letch Address Redacted Alexis S Anderson Address Redacted Alf LLC Address Redacted Alf Pettersen Address Redacted ALFORD FARMS, LLC C/O Barry Alford 2011 Tyler Ave Houma LA 70360

Alfred A Beardmore Trust Thomas C Beardmore Trustee Address Redacted Alfred Berg Address Redacted

Alfred E Venton C/O Dorothy Venton Lewis Unlocatable Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 9 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 12 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Alfred F Berrier Address Redacted Alfred F Steimel Address Redacted Alfred H & Karen Berg Jtwrs Address Redacted Alfred H Gausewitz Address Redacted Alfred L Johnson Fmly Minl Trs Timothy L Solberg & Kenneth K Solberg, Trustees Address Redacted Alfred M Hecker Address Redacted Alfred R Jayson Address Redacted Alfred W Dooley Address Redacted Alfred Williams Address Redacted Alfredo Chavez Address Redacted Alfson Anderson Investments LLC Address Redacted Algeo, Heidi Address Redacted Ali Dhanani Address Redacted Alice A Israel And Michael T Israel J/T Address Redacted Alice Anderson Estate Address Redacted Alice B Simonson Family Trust Karen R Christ & Margaret Zubke Succ Trustees Address Redacted Alice Bolinske Oatley Estate Lynn Dolven - Pr Address Redacted Alice C Hanson And Joann Kay Karst Jtwros Address Redacted Alice C Tobey Address Redacted Alice C Williams Address Redacted Alice Dillahunt Estate C/O Judity Dillahunt Address Redacted Alice Donnelly Zottl Address Redacted Alice E Chernick Address Redacted Alice E Jordan Address Redacted Alice E Mickelson Mineral Tr Dtd 8/30/2004 Pam Ksepka Trustee Address Redacted Alice Elaine Jordan Life Estate Address Redacted Alice F Iverson Prarie Community Hospital Ltc Address Redacted Alice Groth Revocable Living Trust Dtd 6-12-06 Address Redacted Alice Hanson Life Estate Address Redacted Alice Hanzel Address Redacted Alice Harvey Estate Address Redacted Alice I Ellingson Address Redacted Alice I Olson Rev Living Trust Dtd 10/19/10 Alice I Olson Tte Steven H & Eugene A Olson Aif Address Redacted Alice J Bolinske Lynn Bolinski Dolven Address Redacted Alice J Roshau Address Redacted Alice J Williams Address Redacted Alice Jane Miller Address Redacted Alice K Curnow Address Redacted Alice K Lund Trust Address Redacted Alice K Lund Trust Fbo Jessica Lee Brown-American State Bank & Trust - Tr Address Redacted Alice L Barnes Address Redacted Alice Lanahan Rev Lvg Trust Agmt Dtd 8/31/2000 Patricia Hartzell And Address Redacted Alice Langsdorf Heirs/Devisees Address Redacted Alice Lee Lund Charitable Tr Dtd 12/20/00 Church, Harris, Johnson & Williams Pc Ttee Address Redacted Alice Leese Address Redacted Alice M Barker Address Redacted Alice M Braatz Address Redacted Alice M Groth Address Redacted Alice M Hulings Address Redacted Alice M Iverson Address Redacted Alice M Madson Trust Gary L Madson And Patricia K Sievers, Co-Ttees Address Redacted Alice M Mercier C/O Kelly Mercier Address Redacted Alice M O Halloran Address Redacted Alice M Voyce Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 10 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 13 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Alice Mae Alexander Life Estate Address Redacted Alice N Landes Address Redacted Alice Nicole Lusk Address Redacted Alice Pino Address Redacted Alice Quilling Karl Ned Quilling - Poa Address Redacted Alice Reinholdt Address Redacted Alice Shimek Address Redacted Alice T. Whitebird Address Redacted Alice Vondall Address Redacted Alice W Millis Address Redacted Alice Wagenman Ridl Address Redacted Alice Wells Byrd Address Redacted Alice Young Address Redacted Alicia Campins de Uzcategui Address Redacted Alicia Jo Mitchell Address Redacted Alicia Johnson Address Redacted Alicia L Fettig Address Redacted Alicia M Cross Address Redacted Alicia R Cross Address Redacted Alidee Ehlers Address Redacted ALIGHT SOLUTIONS LLC 4 OVERLOOK POINT #4OP Lincolnshire IL 60069 ALIGHT SOLUTIONS LLC F/K/A HEWITT ASSOCIATES LLC 4 OVERLOOK POINT, SUITE 40P Lincolnshire IL 60069 ALIGHT SOLUTIONS LLC F/K/A HEWITT ASSOCIATES LLC 4 OVERLOOK POINT, SUITE 40P Lincolnshire IL 60069 Alisha Brevik Address Redacted Alisha Jane Sterud Address Redacted Alison Ashby Owens Address Redacted Alison Crawford Address Redacted Alison E Panzer Address Redacted

Alison Kay Mcmanus Trust Alison Kay Mcmanus Trtee Address Redacted Alison Kruse Address Redacted Alison Marie Folland Address Redacted Alison V Signorotti Address Redacted Alissa Foley Address Redacted Alissa J Thiessen Address Redacted Alitek Solutions Lp 19627 I-45 North Ste 700 Spring TX 77388 All American Records Management Inc 15580 E Hinsdale Circle Suite A Centennial CO 80112 ALL AMERICAN RECORDS MANAGEMENT 15580 E HINSDALE CIRCLE Centennial CO 80112 All Energy Inc PO Box 2850 Casper WY 82602 All In Oilfield Services PO Box 4144 Williston ND 58802 All In One Oil Field Service PO Box 865 Killdeer ND 58640 All Nations Oilfield Services PO Box 2737 Bismarck ND 58502-2737 All Seasons Sport About Inc 209 1st Ave W Williston ND 58801 All State Communications Inc Attn: Accounting 150 2nd St Sw Perham MN 56573 All Tech Electric Co Address Redacted All Weather Well Service Inc 13876 57th St Nw Williston ND 58801 Allan E. Price Address Redacted Allan G Lassey Address Redacted Allan J Hope Address Redacted Allan J Kasian Address Redacted Allan J Ott Address Redacted Allan L Turner Address Redacted Allan Schroden Address Redacted Allan Schroden c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Allan Stockman Address Redacted Allan V Aho Address Redacted Alldale Minerals Ii LP 2100 Ross Ave Ste 1870, Lb-9 Dallas TX 75201 Alldale Minerals LP 2100 Ross Ave, Suite 1870 Dallas TX 75201 Allen & Debra Lund J/T 9250 55th St Nw Ross ND 58776-9071 Allen B Massey Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 11 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 14 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Allen Bauman Address Redacted Allen Borlaug And Carol Borlaug As Joint Tenants Address Redacted Allen C Bjorner Address Redacted Allen C Kincheloe Living Trust Address Redacted Allen C Thompson Address Redacted Allen D Haider Address Redacted Allen D Johnson C/O Bethel Lutheran Nursing & Rehab Address Redacted Allen D Shaw Address Redacted Allen Dean Hickel Address Redacted Allen E Osler Address Redacted Allen G Harvey Address Redacted Allen G Nygaard Address Redacted Allen H Dosch Address Redacted Allen H. Schaller Address Redacted Allen Hammeren Address Redacted Allen Hanson Address Redacted Allen Haugtvedt & Shelly Address Redacted Allen Heim Address Redacted Allen J & Bonnie K Hammeren Joint Tenants Life Estate Address Redacted Allen J Barta Address Redacted Allen J Schlag Address Redacted Allen Johnson Revocable Trust Allen Johnson - Trustee Address Redacted

Allen K Trobaugh Estate Melba Y Trobaugh Ind Executor Address Redacted Allen L Hanson Address Redacted Allen L Oster Address Redacted Allen L Sigmon Address Redacted Allen Lee Menking Address Redacted Allen Long Address Redacted Allen Luckow & Wendy Luckow Family Mineral Trust - Allen & Wendy Luckow - Trustees Address Redacted Allen M Larsen Address Redacted Allen R Stout Address Redacted Allen Schlag Address Redacted Allen Simonsen Address Redacted Allen W Hamill Jr Address Redacted Allen W Hamill Jr Family Partnership Address Redacted Allen Wood Address Redacted Allex, Brian Address Redacted Alliance Drilling Tools LLC PO Box 1503 Evanston WY 82931 Alliance Gospel Chapel PO Box 541 Wildrose ND 58795 Alliance Gospel Chapel Church Parsonage PO Box 541 Wildrose ND 58795 Alliance Royalty Ltd 550 West Texas Ave Suite 1000 Midland TX 79701 ALLIANCE SOURCE TESTING 5530 MARSHALL STREET Arvada CO 80002 Alliance Source Testing LLC 255 Grant St Se Ste 600 Decatur AL 35601 Allied Valve Inc 1019 W Grand Ave Chicago IL 60642 Allied Valve Inc PO Box 490 Battendorf IA 52722 Allis Township Paula Hyde Po Box 751 Onaway MI 49765 Allison Abbey Cravens C/O Kimberly Abbey Parks Address Redacted Allison Chapman Address Redacted Allison Crawford Address Redacted Allison D Hagen Address Redacted Allison Lee Wood Address Redacted Allison Louise Groom Address Redacted Allison Mcconnon Address Redacted Allison Mckey Address Redacted Allison Rentschler Berry Address Redacted Allison S Everett Address Redacted Allonz Oil & Gas LLC 303 S Riverfront Dr Apt 308 Jonks OK 74037 Allred Mineral Company LLC PO Box 550 Collins MS 39428 ALLRED MINERAL COMPANY LLC PO BOX 550 Collins MS 39428 Alluvium Resources LLC 1138 Washington Ave New Orleans LA 70130 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 12 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 15 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ally Consulting LLC PO Box 17275 Denver CO 80217 Ally Equipment LLC 992 S 4th Ave Ste 100 Unit 463 Brighton CO 80601 Ally Onsite LLC 992 S 4th Ave Ste 100 #463 Brighton CO 80601 ALLYSON KAY PHILLIPS Address Redacted Allyson M Hillman Address Redacted Alma Berg Address Redacted Alma Christiansen Life Estate Diane M Miller A-I-F Address Redacted Alma H Baxter Address Redacted Alma L & Kelly B Tisher J/T W/Rt Of Survivorship Address Redacted Alma L And Kelly B Tisher Address Redacted Alma Lalim Address Redacted Alma Thompson Burmeister Address Redacted Almeda H Hall (Deceased) C/O C C Bundy Address Redacted Almeda Petroleum LLC PO Box 1933 Dickinson ND 58602 Almosta Ranch LLC 6565 Almosta Ranch Road Prescott AZ 86305 Almquist Welding & Fab Address Redacted Almyria Brennen Route 3 Clintonville WI 54929 Alois G Kessel & Dorothy A Kessel, H/W Address Redacted ALPENGLOW 2489 W MAIN STREET Littleton CO 80120 Alpenglow Energy LLC 2489 W Main Street Littleton CO 80120 Alpha V Martin Address Redacted Alpha V Martin Mineral Trust Alpha V Martin - Trustee Address Redacted Alphield Canning Address Redacted Alphisia Thorson Address Redacted Alphonso Ragland Iii Address Redacted Alpine Gas Investors 2100 Ross Ave. Suite 970 Dallas TX 75201 Alpine Hotshot LLC 534 S Mckinley Casper WY 82601 Alpine Securities Corporation Corporate Actions 39 Exchange Place Salt Lake City UT 84111 Alpine Securities Corporation Todd Groskreutz 440 East 400 South Salt Lake City UT 84111 Als Environmental PO Box 975444 Dallas TX 75397-5444 Als Tribology Address Redacted Alta M Noack Address Redacted Alta Mesa Address Redacted Alta S Khuen Address Redacted Altenburg Hauling Address Redacted

Althea I Flynn Revocable Tr Althea I Flynn Successor Tte Address Redacted Althea Kimes Address Redacted Altiore LLC 6611 Stichter Ave Dallas TX 75230 ALTIORE LLC 6611 STICHTER AVE Dallas TX 75230 ALTITUDE ENERGY PARTNERS LLC 7197 W DERRICK DR Casper WY 82604 Altitude Energy Partners LLC Address Redacted Altitude Energy Partners LLC Attn: Lee Harns 7197 W Derrick Dr Casper WY 82604-1884 Alton P Johnson Address Redacted Altus Intervention Usa Inc PO Box 770249 Houston TX 77215 Alva Barrett Sr And Jean M Barrett Ttees Rev Tr Address Redacted Alva Lawrence Mineral Trust U/A Dtd 9/17/14 Myrna Slaamot & Alan Lawrence Co-Trustees Address Redacted Alva Ol Lawrence Trust Dtd 1-19-98 Alva Ol Lawrence - Deceased Address Redacted Alva Richard Callaway Revocable Living Trust Address Redacted ALVAREZ & MARSAL 700 LOUISIANA STREET SUITE 3300 Houston TX 77002 Alvera Sabo Address Redacted Alverda M Moritz Address Redacted Alvin & Patricia Hill Address Redacted Alvin A And Patricia A Karsky Joint Tenants Address Redacted Alvin A Gravos Address Redacted Alvin C & Mildred C Simonson Trst Agmt U/D/T 4/12/93, Alvin C & Mildred C Simonson Ttees Address Redacted

Alvin C Christensen & Anna M Christensen Joint Tenants Address Redacted Alvin E Gramentz Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 13 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 16 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Alvin G Binstock Address Redacted Alvin G Binstock & Laurel J Binstock H/W As J/T Address Redacted ALVIN G PERIOT AND DOROTHY JEAN MOORE PERIOT Address Redacted Alvin K & Marlene M Wold Life Estate Address Redacted Alvin Karsky Address Redacted Alvin Keith Wold Address Redacted Alvin Klem Address Redacted

Alvin L Johnson Trustee Alvin L Johnson Revocable Trust Address Redacted Alvin Lester Vader As Ttee Of The Alvin And Dianne Vader Living Trust Address Redacted Alvin R Andres Address Redacted Alvin R Green Address Redacted Alvin R Koering Address Redacted Alvin R Windsong Address Redacted Alvin Stockert Address Redacted ALVRONE SATER Address Redacted Alyce Dunhill Address Redacted Alyce Faye Dorsey Hingle Address Redacted Alyce Kay Dorsey Nanney Trust Alyce Kay Dorsey Nanney - Tr Address Redacted Alyce Lorene Spotted Bear Address Redacted Alyce M Mazur And Mark A Mazur Address Redacted Alyce Viola Jones Estate C/O Don A Donnell Address Redacted Alyson Heare Address Redacted Alyson K Brehm-Johnson Address Redacted Alyson Schmidt-Iverson Address Redacted Alyssa Ethier Address Redacted Alyssa Schoenberg A/K/A Alyssa Gatto Grantor Trust UA Aug 14, 2006 Address Redacted 225 N MICHIGAN AVE FL ALZHEIMER DISEASE & RELATED DISORDER ASSOCIATION PANHANDLE CHAPTER 17 Chicago IL 60601 Alzheimer Disease & Related Disorder Association Panhandle Chapter 225 N Michigan Ave Fl 17 Chicago IL 60601 Alzheimer Disease And Related Disorder Assoc Panhandle Chapt 110 Mesa Park Dr Ste 250 El Paso TX 79912 Amalgamated Bank Corporate Actions 275 Seventh Avenue New York NY 10011 Amalgamated Bank Stephen Erb 275 Seventh Avenue 9th Floor New York NY 10001 Aman, Tanya Address Redacted Amanda Dillard Shufeldt Address Redacted Amanda Ford Mcquade Address Redacted Amanda Gott Nagyhetenyi Address Redacted Amanda Jones Address Redacted Amanda K Bombardieri Address Redacted Amanda K Cerino Address Redacted Amanda Kannianen Address Redacted Amanda L Bean Address Redacted Amanda L Jones Address Redacted Amanda L Rene-Matthews Address Redacted Amanda Lee Russell C/O Raymond S Russell, Cust Address Redacted Amanda Mcgill Johnson Address Redacted Amanda R S Mallares 4401 S Mckechnie Loop Palmer AK 99645 Amazima Ministries Address Redacted AMAZON SERVICES LCC 410 TERRY AVE NORTH Seattle WA 98109-5210 Amber Mae Shattuck Address Redacted Amber Sluke Address Redacted Amber Zamora Address Redacted Ambyint Corporation 2500 Summer Street, Suite 1100 Houston TX 77007 Ambyint Corporation 2500 Summer St Ste 1100 Houston TX 77007 AMBYINT CORPORATION-8299 2500 SUMMER ST STE 1100 Houston TX 77007 Ame Production Company 1555 Campus Way Ste F Billings MT 59102 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 14 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 17 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Amelia A Scissons Address Redacted Amelita Canubida Address Redacted AMERADA HESS CORPORATION 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 Ameri Copy Printing Inc PO Box 27150 Denver CO 80227 American Association Of Petroleum Geologists Foundation Po Box 979 Tulsa OK 74101-0979 American Assurance 2000 LP Dept 1240 PO Box 17180 Denver CO 80217-0180 American Cancer Society 1102 S Washington St Bismarck ND 58504 American Cancer Society 4467 118th Ave Nw Watford City ND 58854 American Cancer Society Attn: Relay For Life 2401 46th Ave Se Suite 102 Mandan ND 58554 American Casing & Equipment PO Box 1151 Williston ND 58802 American Cleaning Systems Inc P O Box 7252 Odessa TX 79760 American Compressor & Engine Leasing Company Inc Po Box 260479 Corpus Christi TX 78426-0479 AMERICAN COMPRESSOR & ENGINE LEASING CO- 1734 LEASING COMPANY INC PO BOX 260479 Corpus Christi TX 78426-0479 American Compressor Equipment Co Inc Po Box 260010 Corpus Christi TX 78426-0010 American Diabetes Association Of Colorado 2460 W 26th Ave Suite 500C Denver CO 80211 AMERICAN EAGLE ENERGY CORPORATION 2549 WEST MAIN STREET SUITE 2020 Littleton CO 80120 AMERICAN EAGLE ENERGY CORPORATION ATTN: STEVE DILLE 2549 WEST MAIN STREET SUITE 2020 Littleton CO 80120 American Eagle Energy Corporation PO Box 2238 Maple Grove MN 55313-6238 American Enterprise Investment Servi Greg Wraalstad 901 3rd Ave South Minneapolis MN 55474 American Enterprise Investment Services Inc. Attn: Corporate Actions 2178 Ameriprise Financial Routing S6/2178 Minneapolis MN 55474 2178 Ameriprise Financial American Enterprise Investment Services Inc. Attn: Penny Zalesky Center Routing: S6/2178 Minneapolis MN 55474 2178 Ameriprise Financial American Enterprise Investment Services Inc. Attn: Reorg Department Center Routing: S6/2178 Minneapolis MN 55474 American Enterprise Investment Services Inc. Erin M Stieler 682 Amp Financial Center Minneapolis MN 55474 American Enterprise Investment Services Inc. Greg Wraalstad Corporate Actions 901 3rd Ave South Minneapolis MN 55474 American Equipment LLC 451 West 3440 South Salt Lake City UT 84115 American Exploration & Production Council Attn: Kathy Harber Po Box 4544 Houston TX 77210-4544 American Foundation For Suicide Prevention Po Box 11295 Fargo ND 58106 AMERICAN GEOPHYSICAL CORPORATION 5271 SOUTH QUEBEC STREET Englewood CO 80111 AMERICAN GEOPHYSICAL CORPORATION 5271 SOUTH QUEBEC STREET Englewood CO 80111 AMERICAN GEOPHYSICAL CORPORATION 63 INVERNESS DRIVE EAST SUITE 200 Englewood CO 80112 AMERICAN GEOPHYSICAL CORPORATION AND 5271 SOUTH QUEBEC STREET Englewood CO 80111 AMERICAN GEOPHYSICAL CORPORATION ON BEHALF OF PETRO-HUNT, L.L.C. 5271 SOUTH QUEBEC STREET Englewood CO 80111 American Heart Association South Central Affiliate PO Box 22035 St Petersburg FL 33742 American Heart Association 7272 Greenville Ave Dallas TX 75231 American Heart Association Tx Affiliate Panhandle Region PO Box 22035 St Petersburg FL 33742 American Innovative Royalty Sys Katrina A. Watson 924 Cr 174 Cotter AR 72626 American International Relocation Solution Llc Dba Aires Po Box 536459 Pittsburgh PA 15253-5906 AMERICAN INTERNATIONAL RELOCATION SOLUTIONS, LLC (AIRES) 6 PENN CENTER WEST, SUITE 200 Pittsburgh PA 15276 American Lung Association 3552 West Cheyenne Ave Ste 130 Las Vegas NV 89032 American Lung Association Of Colorado (Alac) 5600 Greenwood Plaza Blvd. Suite 100 Greenwood Village CO 80111 American Lutheran Church PO Box 310 Stanley ND 58784 American Mechanical Serv Inc PO Box 911068 Denver CO 80291-1068 AMERICAN MECHANICAL SERVICES OF DENVER, LLC 6810 SOUTH TUCSON WAY Centennial CO 80112 American Messaging Services Llc Po Box 5749 Carol Stream IL 60197-5749 American Millennium Corp Inc 255 Pennbright Dt Ste 240 Houston TX 77090 American Minerals Corp 1525 Nantucket Drive Houston TX 77057 American Minerals Corporation PO Box 297166 Houston TX 77297-0166 American Minerals Group LLC 8001 S Interport Blvd Ste 260 Englewood CO 80112 American Minerals Ii LLC 8001 S Interport Blvd Ste 260 Englewood CO 80112 American Minerals LLC 8001 S Interport Blvd Ste 260 Englewood CO 80112

American National Bank Ttee Of George E Brimmer Trust Address Redacted American Oil & Gas Fund Inc PO Box 20293 Billings MT 59102 American Petrosearch Intl Inc Denver CO 80202 American Red Cross Hurricane Harvey Relief Po Box 37839 Boone IA 50037-0839 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 15 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 18 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country American Red Cross PO Box 37295 Washington DC 20013 American Solutions For Business 8479 Solution Center Chicago IL 60677-8004 American St Bank & Tr Co Of Williston As Trtee For Wellington S Raymond Address Redacted American St Bank & Tr Co Trtee For The Benefit Of Jessica Lee Brown Address Redacted American Standard Energy Corp PO Box 17493 San Antonio TX 78217-0493 AMERICAN STATE BANK & TRUST Address Redacted American State Bank & Trust Company Of Williston,As Ttee Of Cecil J Address Redacted

American State Bank & Trust Trustee Ultw Of Knut Berg Address Redacted American State Bank And Trust Company Of Williston As Ttees Of Gene & Edith Address Redacted American Warrior Inc PO Box 399 Garden City KS 67846 American Welding & Gas Inc PO Box 74008003 Chicago IL 60674-8003 American Well Service Inc PO Box 124 Kenmare ND 58746 American Welltest Incinerators 1624 Market St Ste 202 Denver CO 80202-1518 AMERICAN WELLTEST INCINERATORS-8605 1624 MARKET ST STE 202 Denver CO 80202-1518 Amerigas - Mcneil P O Box 660288 Dallas TX 75266-0288 Ameripride Linen And Apparel Services PO Box 1594 Bemidji MN 56619-1594 Ameripride Services PO Box 2020 Bemidji MN 56619-2020 Ameritas Life Insurance Corp Attention Oil/Gas PO Box 40888 OH 45240-0888 Ameritest Inc PO Box 3283 Minot ND 58702-3283 Amon G Carter Foundation Bank Of America Na PO Box 840738 Dallas TX 75284-0738 Amonte LLC PO Box 3358 Englewood CO 80155 Amroy Co PO Box 18442 Oklahoma City OK 73154-0442 Amundson, Tyler Address Redacted Amy Aileen Keith Address Redacted Amy Anderson Address Redacted Amy Armitage Address Redacted Amy E Finck Address Redacted Amy Elizabeth Everett Seperate Property Address Redacted Amy H Pierson Address Redacted Amy J Donnelly Address Redacted Amy J Guderjohn Address Redacted Amy J Pittman Address Redacted Amy K Abner Address Redacted Amy K Delaney Address Redacted Amy L Graham Address Redacted Amy L Hayes Beneficiary IRA Address Redacted Amy Lou Haines Address Redacted Amy Lou Schaper Address Redacted Amy Louise Nance Cebull Address Redacted Amy M Gladson Address Redacted Amy Mcnalley Address Redacted Amy Myran Address Redacted Amy Nordeng Address Redacted Amy O Norsworthy Address Redacted Amy Osborne Address Redacted Amy R Blehm Address Redacted Amy Rosen Address Redacted Amy Taormina Address Redacted Amy Tise Raabe Address Redacted Amy Yourk Pekelder Address Redacted Ana Maria Cavazos Fam Lim Part Address Redacted Anadarko E & P Company LP PO Box 730875 Dallas TX 75373-0875 Anadarko E & P Company LP Anadarko Land Corporation 1099 18th Street Suite 1200 Denver CO 80202 Anadarko E&P Company PO Bo 730875 Dallas TX 75373-0875 Anadarko E&P Onshore LLC 1201 Lake Robbins The Woodlands TX 77380 ANADARKO E&P ONSHORE, LLC C/O CT CORPORATION SYSTEM 5615 CORPORATE BLVD. SUITE 400B Baton Rouge LA 70808 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 16 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 19 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Anadarko Petroleum Corp PO Box 730875 Dallas TX 75373-0875 ANADARKO PETROLEUM CORP. PO BOX 730875 Dallas TX 75373-0875 ANADARKO PETROLEUM CORP. PO BOX 730875 Dallas TX 75373-0875 Analytica Inc 3223 Albans Rd Houston TX 77005-2101 Anant N Mauskar Address Redacted Anant N Mauskar Dba Mp Energy 11260 Greenbay Street Houston TX 77024-6731 Anastasia Lee Henning Address Redacted Anastasia LP 1110 N Henness Road Lot 242 Casa Grande AZ 85122 Anatoly Barsky Address Redacted Anchor Center For Blind Children 2550 Roslyn Street Denver CO 80238 Anchor Drilling Fluids Usa Inc Dba Advantage Drilling Fluids Dept 5973 Po Box 11407 Birmingham AL 35246-5973 Anchors Oil Field Services LLC PO Box 4422 Williston ND 58802 Ancinec, Vicki Address Redacted And Then There Were None PO Box 2571 Round Rock TX 78680 Andalay Cleaning Service 2406 Brunson Ave Midland TX 79701 ANDEAVOR ANDEAVOR LOGISTICS ROCKIES 19100 RIDGEWOOD PARKWAY San Antonio TX 78259 ANDEAVOR FIELD SERVICES 19100 RIDGEWOOD PARKWAY San Antonio TX 78259

Andeavor Field Services LLC Andeavor Logistics Rockies 19100 Ridgewood Parkway San Antonio TX 78259 ANDEAVOR FIELD SERVICES LLC 19100 RIDGEWOOD PARKWAY San Antonio TX 78259 ANDEAVOR FIELD SERVICES LLC ANDEAVOR LOGISTICS ROCKIES 19100 RIDGEWOOD PARKWAY San Antonio TX 78259 1515 Arapahoe, Tower 1, Andeavor Field Services LLC c/o MPLX LP Attn: Christopher Rimkus Suite 1600 Denver CO 80202 ANDEAVOR FIELD SERVICES LLC P.O. BOX 871 Tulsa OK 74102-0871

Andeavor Field Services LLC Andeavor Logistics Rockies 19100 Ridgewood Parkway San Antonio TX 78259 C/O CT Corporation SystemRegistered Andeavor Logistics, LP Agent 120 W. Sweet Avenue Bismarck ND 58504 Andersen, John Address Redacted Anderson Family Living Trust Dtd 05/10/06 Address Redacted Anderson Family Rev I-V Trust Jimmy & Agnes Anderson Ttes Address Redacted Anderson Family Revocable Address Redacted Anderson Family Trust Nancy D & Harley J Hanson Jr Co- Trustees Address Redacted Anderson Forklift Inc 475 Moore Lane Billings MT 59101 Anderson Great Grandchildrens Trust - Christopher & Melanie Anderson - Co-Trustees Address Redacted Anderson Joint Revocable Trust Dtd 5-9-12 - Dennis Loyd & Elizabeth Anderson - Trustees Address Redacted Anderson Lewis Smith Address Redacted Anderson Living Trust James & Jacqueline Anderson Trustees Address Redacted Anderson Minerals Ltd PO Box 1201 Arvada CO 80001-1201 Anderson Resources Company LLC PO Box 17397 Salt Lake City UT 84117 Anderson Royalty Trust William H Cleavelin Jr Trtee Address Redacted Anderson, Barbara Address Redacted Anderson, Brent Address Redacted Anderson, James Address Redacted Anderson, Larry Address Redacted Andra Coccimiglio Address Redacted Andrea Colleen Wiggins Address Redacted Andrea Duley Passman Address Redacted Andrea Exelby Fenwick Address Redacted Andrea G Huggins Address Redacted Andrea H Long Address Redacted Andrea H Long LLC Address Redacted Andrea Hunter Halgrimson Address Redacted Andrea Jean Keller Address Redacted Andrea K Davis Address Redacted Andrea L Cook Address Redacted Andrea L Graham Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 17 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 20 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Andrea L Meduna Address Redacted Andrea Louise Patten Address Redacted Andrea M & Lauren M Roragen Address Redacted Andrea M Roragen Address Redacted Andrea Mull Address Redacted Andrea Nasher Investment Mgmt Bank Of America #208510 P O Box 840738 Dallas TX 75284-0738 Andrea Phipps Banning Address Redacted

Andrea Phipps Saunders Banning U A Bank N A (Agent) PO Box 1588 Tulsa OK 74101 Andrea Rasmusson Balko Address Redacted Andrea Santana Address Redacted Andreas Family Mineral Trust Dtd 11-23-10 Michael J Andreas & Alice Deutsch, Co-Trustees Address Redacted Andres Echeverri Address Redacted Andres Echeverri Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 8 Coral Gables FL 33134 Andrew & Christine Koch Trust Address Redacted Andrew & Christine Koch Trust Dtd 11-26-1999 - Robert Koch & Shawn Olson - Co-Trustees Address Redacted Andrew & Elizabeth Zimmer Tr Address Redacted Andrew A Overlee Address Redacted Andrew And Joan Schmidt Joint Tenants Life Estate Address Redacted Andrew Boots Address Redacted Andrew C Sullivan Address Redacted Andrew D & Sharon A Cayko Address Redacted Andrew D & Victoria S Hecker Mineral Trust Lyle & Dwight Hecker Ttees Address Redacted Andrew D Dillavou Address Redacted Andrew D Parker Address Redacted Andrew F Allegretti Address Redacted Andrew Freeman Byrd Trust A Dtd 12/1/1972 - Citizens National Bank - Succ Trustee Address Redacted Andrew Freeman Byrd Trust B Dtd 050472 Address Redacted ANDREW GEE Address Redacted ANDREW GEE AND KIMBETRLY GEE Address Redacted Andrew H Childress Address Redacted Andrew H Loebe L/E Address Redacted Andrew Hetland Address Redacted Andrew I Steen Address Redacted

Andrew J Beltowski & Kasteen M Beltowski Joint Tenants Address Redacted Andrew J Kudrna Address Redacted Andrew J Kudrna And Virginia J Kudrna Address Redacted Andrew J Mattes Jr Address Redacted Andrew J Praus & Paulette M Praus, Joint Tenant Address Redacted Andrew James Long Address Redacted Andrew Kovacs Address Redacted Andrew Lamoureux Address Redacted Andrew Larsen Address Redacted Andrew M Dullea Address Redacted Andrew M Taylor Address Redacted Andrew Murray Shidler Address Redacted Andrew Page Address Redacted ANDREW PAUL HOWARD Address Redacted Andrew R Bailey Address Redacted Andrew R Patten Jr & Margaret M Patten Trust Dtd 11-18- 05 Address Redacted Andrew R Wilson Address Redacted Andrew Rambousek Address Redacted Andrew Richman Address Redacted Andrew Rolle O & G Trust Alexander F & Andrew Rolle - Trustees Address Redacted Andrew S Iverson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 18 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 21 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Andrew Spaziani Address Redacted Andrew Stalder Address Redacted Andrew T Patten Address Redacted Andrew W Leer Address Redacted Andrew Yung Address Redacted Andrew Zimmer Address Redacted Andrews County 201 N Main, Room 101 Andrews TX 79714 c/o Perdue, Brandon, Fielder, Collins & Andrews County Tax Office Mott LLP Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Andrews County, Tx Treasurer 210 NW 2nd St Andrews TX 79714 Andrews Independent School District 600 North Main Street Andrews TX 79714-5200 c/o Perdue, Brandon, Fielder, Collins & Andrews Independent School District Mott, L.L.P. Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Andrews Independent School District, Anderws County Tax Office, Balmorhea Independent School District, Gaines County Appraisal District, Howard County Tax Office, Kermit Independent School District, and Yoakum c/o Perdue, Brandon, Fielder, Collins & County Tax Office Mott, L.L.P. Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Andrews Pump & Supply Inc PO Box 329 Andrews TX 79714 Andrews Royalty LP PO Box 12208 Dallas TX 75225 Andronov, Evgeny Address Redacted Andy Fasken Address Redacted Andy Lee Mathews Address Redacted Andy R Moodie Address Redacted Andy Stuart Thompson Address Redacted Andy W Ransom Address Redacted Aneta Gable Address Redacted Angel M Brainard Address Redacted Angela A Johnson Address Redacted Angela Cote Address Redacted Angela D Dietrich Address Redacted Angela Gwen Sabbe Address Redacted Angela Lewandowski Address Redacted Angela Lowman Aka Angela Marie Ward Lowman Address Redacted Angela Lucia Escobar Uribe Address Redacted Angela M Baker Address Redacted Angela M Okeefe Trust John M & Matthew T Okeefe - Co- Trustees Address Redacted Angela M Solberg Address Redacted Angela Oh Address Redacted Angela R Riddick Address Redacted Angela R Schwertfeger Address Redacted Angela Rose King Address Redacted Angela S Harrison Address Redacted Angelen A Larson Address Redacted Angeline Buckhouse Address Redacted Angeline Frank Address Redacted Angeline Maki Address Redacted Angeline R Marsh Address Redacted Angeline R Marsh Family Mineral Trust Dtd 7-13-2012 Angeline R Marsh Trustee Address Redacted Angeline S Tyson Address Redacted Angell Sunflower LLC Address Redacted Angie E Wolyniec Address Redacted Angie Haugen Address Redacted Angie Zulika Sutil King Address Redacted Angie Zulika Sutil King Morgan Stanley / Andres Echeverri 220 Alhambra Cicle Floor 10 Coral Gables FL 33134 Anglin Oil LLC C/O Afrct 301 N Lake Ave Ste 1100 Pasadena CA 91101-4158 Angus Gunneng Mcdougal Address Redacted Angus Proving Services LLC PO Box 14440 Odessa TX 79768 Anita Ann Reeder-Mccoy Address Redacted Anita Bell L-E Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 19 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 22 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Anita Bietz Address Redacted Anita Buxbaum Address Redacted Anita F Major IRA c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Attn: Eugene Peter Chaas, CFA, Anita F Major IRA c/o Delaware Avenue Advisors and Gene Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Anita Gail Kuntz Address Redacted Anita Heringer Address Redacted Anita M Wible Address Redacted Anita Miller Address Redacted Anita Newson Address Redacted Anita Orosco Address Redacted Anita Pashak Address Redacted Anita Quale Address Redacted Anita R. Cavazos Living Trust Anita R. Cavazos & Roberto R. Cavozos Co-Trustees Address Redacted Anita Sgarlata Address Redacted Anixter Inc Address Redacted Ann & James Barlow Trust Address Redacted Ann & Jeffry Johnsrud Address Redacted Ann B Davis Address Redacted Ann B F Freeman And Daniel P Flanigan Jtwros Address Redacted Ann Baker Address Redacted Ann Boyd Royall Citizens National Bank Agent Address Redacted Ann Bradley Cowan Address Redacted Ann Brockamp Address Redacted Ann Burmeister Address Redacted Ann C David Address Redacted Ann C Morel Address Redacted Ann C Nez Address Redacted Ann Davis Estate Timothy Davis Ex Address Redacted Ann Donnelly Wild Address Redacted Ann E Davis Family LLLP 100 Dillard Rd Poplarville MS 39470 Ann E Hebert Address Redacted Ann Evans Davis Velma Lou Marmon Aif Address Redacted Ann Fisher Address Redacted Ann Griffith Ash Address Redacted Ann Griffith Ash Children'S Trst Ann Griffith Ash Trustee Address Redacted Ann Hartline Address Redacted Ann Higham Short Address Redacted Ann Johnson Address Redacted Ann K Gunderson Address Redacted Ann Kay Address Redacted Ann Kincannon Address Redacted Ann Kirk Warren Exempt Family Trust Farmers National Co - Agent Address Redacted Ann Kirk Warren Tr Uad 2/3/72 C/O Farmers National Comapany Address Redacted Ann L Ditton And Robert D Ditton Joint Tenants Address Redacted Ann L Hanson Address Redacted Ann L Keller Address Redacted Ann L Kuefner Address Redacted Ann L Wesche Address Redacted Ann Liberman Address Redacted Ann Lisa Pearson Address Redacted Ann Lloyd Brown Address Redacted Ann Love Stapleton Brian C Fries Poa Address Redacted Ann M Dorwart Address Redacted Ann M Gallivan Address Redacted Ann M Lee Address Redacted Ann M Patton Address Redacted Ann M Sherman Address Redacted Ann M Swanson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 20 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 23 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ann Madeleine Cutting Address Redacted Ann Marie Mcnary Address Redacted Ann Marie Sack Address Redacted Ann Marie Urban Address Redacted Ann Martha Vesledahl Address Redacted Ann May Address Redacted Ann Murphy Daily Trust Ann Murphy Daily Trustee Address Redacted Ann P Hayes Address Redacted Ann Payne Carriveau Address Redacted Ann Powers Address Redacted Ann Pries Address Redacted Ann Russell Chalk Johnston Address Redacted Ann Skov Address Redacted Ann Spah Address Redacted Ann Stevens Trust Created Under Last Will & Tstm Norman J Stevens & Charles Stevens, Trustees Address Redacted Ann T Mezack Address Redacted Ann T Sprenger Address Redacted Ann Tollett Cunningham Trust Address Redacted Ann Walker Daniel Address Redacted Ann Wall Christesen Address Redacted Ann Wallace Rogers Mcgovney Address Redacted Ann West Address Redacted Anna Basaraba James A Basaraba Aif Address Redacted Anna Chase Callon Address Redacted Anna Decarlo Address Redacted Anna Dolyniuk Estate Address Redacted Anna Dolyniuk Lezlie Paul Poa Address Redacted Anna Ginther Life Estate Address Redacted Anna Gustafson Borchert Address Redacted Anna Hart Hazard Address Redacted Anna Hazen Address Redacted Anna Irene Dale Testamentary Trust U/W Dtd 2-11-04, David D Lockie - Trustee Address Redacted Anna Jane Attrill Address Redacted Anna K Shute Address Redacted Anna Kovleand Address Redacted Anna L Papulak Address Redacted Anna L Strong Address Redacted Anna M Metzger Elizabeth A Huntington, Poa Address Redacted Anna M Nelson Address Redacted Anna M Williams Address Redacted Anna Mae Benac Address Redacted Anna Mae Wamre Address Redacted Anna Margarita Vincent Address Redacted Anna Marie C Wilde Address Redacted Anna Marie Shomento Life Estate Address Redacted Anna Mary Brombach Address Redacted Anna May Borst Address Redacted Anna Mershon Address Redacted Anna Morgan Address Redacted Anna Nolte Address Redacted Anna Obritsch Address Redacted Anna R Merritt Address Redacted Anna Sivak Address Redacted Anna Steen C/O Cheryl Simpson Guardian Address Redacted Anna Tewes Address Redacted ANNABELLE HOMES-8737 Address Redacted Annabelle Mae Heiser Address Redacted Annabelle Stanley Twnhme Assoc Address Redacted Annalee Hawley Address Redacted Anne C Jackson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 21 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 24 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Anne C Rogney Address Redacted Anne C Rolfstad Address Redacted Anne Caitlin Rolfstad Address Redacted Anne Carlsen Center For Children 701 3rd St Nw Jamestown ND 58401 Anne Carlsen Ctr For Children 701 3rd Street, Nw Jamestown ND 58401 Anne Caskie Address Redacted Anne Cathrine Suelzle Address Redacted Anne Chudacek Address Redacted Anne Croy Fka Anne Barstad Address Redacted Anne E Bowling Address Redacted Anne E Mercier Address Redacted Anne E Tripp Address Redacted Anne Elkins LLC 314 Merlot Pl Aiken SC 29803 Anne Grimes Address Redacted Anne H Livet Address Redacted Anne Hagensen Address Redacted Anne I Duletski Address Redacted Anne J Mitchell Trust Midfirst Bank, Trustee Address Redacted Anne K Lemos Family Trust Anne K Lemos Trustee Address Redacted Anne K Muggli Address Redacted Anne K Swanson Address Redacted Anne M Hudrlik Address Redacted Anne M Lotz Address Redacted Anne M Sitthirat Address Redacted Anne Marie Stuzin Address Redacted Anne Marie Wedum Address Redacted Anne Mortimer Ballantyne Address Redacted Anne Mrachek Revocable Trust Dated 12/14/12 Address Redacted Anne N Kelly Rev Trust Uta 10/08/10 Anne N Kelly Trustee Address Redacted Anne Oden Hall Address Redacted Anne Orlando Address Redacted Anne Pannier Butler & A Jerry Butler JT Ten Address Redacted Anne S Ardery Revocable Trust Wells Fargo Bank Address Redacted Anne Short Johnson Address Redacted Anne Smith Traer Address Redacted Anne Strauss Calaway Address Redacted Anne Swan Johnson Life Estate Address Redacted Anne Sweeney Profilet Address Redacted Anne Thorness Address Redacted Anne Traer Life Estate Address Redacted Anne V Sweeney Address Redacted Anne Vandeberg Bertsche Address Redacted Anne W Phillips Trust Anne W Phillips Trustee Address Redacted Annetta R Mitchell Address Redacted Annette Bates Larsen Address Redacted Annette Beck Address Redacted Annette Boone Address Redacted Annette Charlson Address Redacted Annette F Bobadillo Address Redacted Annette Hoelscher Address Redacted Annette J Stark Address Redacted Annette Knepper Dean Address Redacted Annette L Charlson Address Redacted Annette Langford Address Redacted Annette Larson Address Redacted Annette M Bishop Address Redacted Annette M Dumke Address Redacted Annette M Feist Address Redacted Annette Otis Address Redacted Annette T Park Address Redacted Annette Wasfaret Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 22 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 25 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Annette Wesolowski Address Redacted Annie Belle High Trust James A High Jr Ttee-U/I Dtd 7/23/63 C/O Jim High Address Redacted Annie D Wissner Address Redacted Annie G & George R Crosby Address Redacted Annie Grace Page Address Redacted Annie Pleske Address Redacted Annie R Adams Address Redacted Annika Peterson Trust Karen L Oberlander & Leon L Becker, Co-Trustees Address Redacted Annis, Francee Address Redacted Ann-Marie D Irizarry Address Redacted Ansbro Petroleum Company LLC 555 17th Street Suite 2400 Denver CO 80202 Anschutz Exploration Corp 555 17Th Street Suite 2400 Denver CO 80202 Anselmo Valerio Address Redacted Antedilluvian Inc PO Box 727 Kenmare ND 58746 Antediluvian Inc Address Redacted Antelope Employees Trust James L Leis - Trustee Address Redacted Antelope Energy Company LLC PO Box 577 Kimball NE 69145-0577 ANTELOPE ENERGY COMPANY LLC PO BOX 577 Kimball NE 69145-0577 Antero Royalties LLC PO Box 660082 Dallas TX 75266-0082 Anthony A Allegretti - Deceased Address Redacted Anthony B Heard Address Redacted Anthony Craig King Address Redacted Anthony Doran Huston Address Redacted Anthony Energy Ltd 7900 Monticello Drive Granbury TX 76049 Anthony George Tompkins Address Redacted Anthony Giuliano Address Redacted Anthony Goebel (Deceased) - Daniel J. Goebel (Heir) Address Redacted Anthony J Grafe Address Redacted Anthony J Klein Address Redacted Anthony J Wanner Address Redacted ANTHONY J. ALFORD FARMS, LLC 1217 Museum DR Houma LA 70360 Anthony L Mullins Address Redacted Anthony M Benjamin Address Redacted Anthony M Reeb Address Redacted Anthony Martinson Address Redacted Anthony Neglia Address Redacted Anthony Querciagrossa Address Redacted Anthony Ray Scissons Address Redacted Anthony T Duletski Address Redacted Antionette Oddo Address Redacted Antolina Jade Heil Address Redacted ANTON AND KATHRYN CVANCARA Address Redacted Anton G Kuhn And Pamela S Kuhn, J/T Address Redacted Anton J Praus Mineral Trust Gerald Lee Praus Ernest E Praus, Co-Trustees Address Redacted Anton V & Eugenia Perzinski Family Trust James M Perzinski Trustee Address Redacted Anton, Chad Address Redacted

Antone & Rose Wolf Irrevocable Living Trust Dtd 12/20/96 Sheryl Binstock & Kenneth Wolf Co-Trustees Address Redacted Antonia Cammarota Dba Basil LLC Address Redacted Antonia Dietz Hoffman Address Redacted Antonia Heinert Life Estate Address Redacted Antonia W Vaughan Address Redacted Antonio D Atanacio Address Redacted Antonio M Speight Address Redacted Antonio M Vela Jr Address Redacted Anvil Royalties LLC PO Box 1360 Tyler TX 75710-1360 Anytime Hydroexcavation LLC PO Box 1784 Minot ND 58702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 23 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 26 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Aog Mineral Partners Ltd PO Box 1015 Midland TX 79702 Aone Lois Wedel Address Redacted Ap Assets LLC 103 5th St Se Dickinson ND 58601

AP ASSETS LLC 103 5TH ST SE Dickinson ND 58601 AP Assets, LLC Address Redacted

APACHE CORPORATION (OF DELAWARE) C/O CT CORPORATION SYSTEM 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 Apache Deepwater LLC PO Box 840133 Dallas TX 75284-0133 APACHE DEEPWATER LLC PO BOX 840133 Dallas TX 75284-0133 Apache Deepwater, LLC c/o Adams and Reese LLP Attn: Robin N. Cheatham 701 Poydras Street Suite 4500 New Orleans LA 70139 Apache Louisiana Minerals LLC C/O Jones Walker Llp Attn: Grady S. Hurley 201 St. Charles Avenue New Orleans LA 70170 APACHE OIL CORPORATION C/O CT CORPORATION SYSTEM 350 N. ST. PAUL STREET SUITE 2900 Dallas TX 75201 Apeg Energy LP 2802 Flintrock Trace Ste 373 Austin TX 78738 APEG ENERGY LP 2802 FLINTROCK TRACE STE 373 Austin TX 78738 APERGY (DBA THETA OILFIELD SERVICES) 5201 CALIFORNIA AVE SUITE 370 Bakersfield CA 93309 Apergy Esp Systems LLC PO Box 732805 Dallas TX 75373-2805 APEX ANALYTIX 1501 HIGHWOODS BLVD STE 200 Greensboro NC 27410 Apex Analytix LLC 1501 Highwoods Blvd Ste 200 Greensboro NC 27410 APEX ANALYTIX, LLC 1501 HIGHWOODS BOULEVARD SUITE 200 Greensboro NC 27410 Apex Clearing Corporation 1700 Pacific Avenue Ste 1400 Dallas TX 75201 Apex Clearing Corporation Attn: Biliana Stoimenova 1700 Pacific Avenue Suite 1400 Dallas TX 75201 Apex Clearing Corporation Attn: Brian Darby One Dallas Center 350 M. St. Paul, Suite 1300 Dallas TX 75201 Apex Companies LLC PO Box 69142 Baltimore MD 21264-9142 Apex Instruments Inc 7200 E Dry Creek Rd Suite C102 Centennial CO 80112-2538 Apex Remington Pipe & Supply Co 13505 E 61st St Ste A Broken Arrow OK 74012 Apex Well Servicing Inc 4970 146th Dr Nw Williston ND 58801 Apishapa Enterprises Limited Partnership 7737 S. Valentia St Centennial Apishapa Enterprises Limited Partnership 7737 S. Valentia St Centennial CO 80112 Apishapa Enterprises Limited Partnership c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Apishapa Enterprises Limited Partnership Joe Pope 7737 S. Valentia St Centennial CO 80112 Apollo Resources LLC Ii 13809 Lake Magdalene Blvd Tampa FL 33618 Appeal Entertainment LLC 56 Congress St W St Paul MN 55107 Apple Creek LLC C/O Prima Exploration 250 Fillmore St Unit 500 Denver CO 80206-5012 Applied Control Equipment Lllp 13705 Compark Blvd Englewood CO 80112 Applied Control Equipment LLLP Margie Versen 13705 Compark Blvd Englewood CO 80112 Applied Industrial One Applied Plaza Cleveland OH 44116 Applied Industrial Technologies Inc 22510 Network Place Chicago IL 60673-1225 Applied US Energy, Inc. c/o Jordan Moore 1 Applied Plaza Cleveland OH 44115 Appraisal Assoc Of Oklahoma 3013 Nw 59th St Oklahoma City OK 73112 April A Smith Address Redacted April J Korff Address Redacted April Joy Brinson Address Redacted April Kalis Address Redacted April L Deegan Hanni J Deegan - Trustee Address Redacted April Mason Ashcraft Address Redacted April Myrick Mellow Address Redacted April Obenour Address Redacted Aprotex Corporation 1011 W Washington Ave Midland TX 79701 APTEAN 770 PELHAM ROAD Greenville SC 29615 Aqua Terra Water Management Aqua Terra Us Holdings Llc 10343 Sam Houston Park Dr Ste 325 Houston TX 77064-1360 Aquaone PO Box 8210 Amarillo TX 79114 Aquaterra Water Management Usa Lockbox Number: 890478 Dept 0478 Po Box 120478 Dallas TX 75312-0478 Aqui-Gem Inc PO Box 2140 Williston ND 58802 Aquilino Rivera Address Redacted Ar Energy LLC PO Box 285 Watford City ND 58854 AR ENERGY LLC PO BOX 285 Watford City ND 58854 ARAGON INTERNATIONAL INV., LLC 2481 CILANTRO GLEN Escondido CA 92029 Aragon Intl Investments LLC 2481 Cilantro Glen Escondido CA 92029 Aransas County 319 North Church Street Rockport TX 78382 c/o Linebarger Goggan Blair & Aransas County Sampson, LLP Attn: Diane W. Sanders PO Box 17428 Austin TX 78760 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 24 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 27 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country c/o Linebarger Goggan Blair & Aransas County, Dewitt County and Nueces County Samspon, LLP Attn: Diane W. Sanders PO Box 17428 Austin TX 78760-7428 Aransas County, Tx Treasurer 319 N Church St. Rockport TX 78382 Arapahoe Resources LLC PO Box 57107 Oklahoma City OK 73157 ARB MIDSTREAM 1000 LOUISIANA SUITE 4300 Houston TX 77002 Arbe Jon Bareis Address Redacted Arbgt Lmb O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Arbgt Rmb O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Arbgt Srb O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Arbuckle Enterprises Inc PO Box 5250 Edmond OK 73083 Arc Energy Service & Supply 16029 Northwest Blvd Robstown TX 78380 Arceneaux, Yvette Address Redacted Archbishopric Of New York C/O William B Watson Agent Inc Address Redacted Archer, Phillip Address Redacted Archie & Delores Mann Living Trust Dtd 2-6-98 - Valerie Nunley - Succ Trustee Address Redacted Archie And Josie Hunskor Joint Tenants Address Redacted Archie E Whitaker Address Redacted Archie L Ledoux Address Redacted Archie M & Beverly A Johnson Address Redacted Archrock Partners Lp PO Box 201160 Dallas TX 75320-1160 c/o Anderson Lehrman Barre & Archrock Partners Operating LLC Maraist, LLP Attn: Kevin M. Maraist 1001 Third Street, Ste. 1 Gaslight Square Corpus Christi TX 78404 c/o Anderson, Lehrman, Barre & Archrock Partners Operating LLC Maraist, LLP Attn: Kevin M. Maraist Gaslight Square 1001 Third Street, Suite 1 Corpus Christi TX 78404 Archrock Services Lp 9807 Katy Freeway Ste 100 Houston TX 77024 ARCHROCK SERVICES LP-6714 9807 KATY FREEWAY STE 100 Houston TX 77024 Archuleta, James Address Redacted Arctic Energy Services LLC PO Box 2229 Mills WY 82644 Ard III Properties Ltd PO Box 8206 Wichita Falls TX 76307-8206 Ard Partners 210 Oakwynne Rd Broomall PA 19008 ARDEAN AAFEDT Address Redacted Ardean Harstad Address Redacted ARDEAN O AAFEDT L/E Address Redacted Ardean O Aafedt L/E Lukas Aafedt Poa Address Redacted Ardehl Leland For Life Address Redacted Ardell & Lorrie Belstad J/T Address Redacted Ardell B Hass Address Redacted Ardell Hoverson Estate Address Redacted Ardell Moe Address Redacted Ardella Wheeler Butts Address Redacted Ardelle Mae Adams Address Redacted Ardellemarv LLC 6610 E Villa Dorado Dr Tucson AZ 85715 Arden C Hagen Address Redacted

Arden D Solberg Fam Min Tst Charlene Shroyer, Trustee Address Redacted Arden Eide Address Redacted Arden H Valentine Address Redacted Arden Helling Address Redacted Arden J & Bonnie Sanderson Address Redacted Ardent Services LLC PO Box 974759 Dallas TX 75397-4759 Ardice Kay Bourg Address Redacted Ardis Burkholder Revocable Tr Address Redacted Ardis G Baker Address Redacted Ardis G Burkholder Address Redacted Ardis Jackson And Donald Jackson Address Redacted Ardis M Peery Address Redacted Ardis Stedman Trust Ardis Stedman And Ken Stedman, Co-Trustees Address Redacted Ardith Holten Address Redacted Ardith Williams & Cody Craker JT Ten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 25 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 28 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ardyce And Kenneth Gathman Address Redacted Ardyce Bragg Address Redacted Ardyce Buerkle Address Redacted Ardyce Gathman Address Redacted Ardyce M Jones Address Redacted Ardyth A Mosey Address Redacted Aree Herland Address Redacted ARGIS SOLUTIONS PO BOX 461677 Aurora CO 80046 Argis Technologies LLC 16101 E Hinsdale Ln Aurora CO 80016 Argo Partners 12 West 37th Street 9th Floor New York NY 10018 Arguello Inc. Attn: Todd R. Cantrall 11450 Compaq Center West Bldg 9 Suite 450 Houston TX 77070 Arguello Inc. c/o Jones Walker LLP Attn: Elizabeth Futrell 201 St. Charles Ave. 49th Floor New Orleans LA 70170

ARGUELLO INC. C/O PROJECT MANAGER 17100 CALLE MARIPOSA REINA Goleta CA 93117 Argus Media Inc 2929 Allen Parkway Ste 700 Houston TX 77019 Argyle Resources Inc PO Box 367 Argyle TX 76226 Ariel L Williams Address Redacted Arizona Department Of Revenue Unclaimed Property Unit Po Box 29026 Phoenix AZ 85038 Arizona State University Found Director Of Building & Real Estate Operations PO Box 2260 Tempe AZ 85280-2260 Arjuna LLC 2445 S Zephyr Way Lakewood CO 80227-3200 Arkansas Corporate Income Tax Section 1816 W 7th St Rm 2250 Little Rock AR 72201 Arkansas Corporate Income Tax Section PO Box 919 Little Rock AR 72203-0919 Emergency Management Hazardous Arkansas Department Of Materials Tier Ii Bldg 9501 Camp Joseph T Robinson North Little Rock AR 72199 Arkansas Department Of Environmental Quality 5301 Northshore Drive North Little Rock AR 72218-5317

Arkansas Department of Energy and Environment Attn: Division of Environmental Quality 5301 Northshore Drive North Little Rock AR 72118-5317 ARKANSAS DEPARTMENT OF ENVIRONMENTAL EMERGENCY MANAGEMENT CAMP JOSEPH T QUALITY HAZARDOUS MATERIALS TIER II BLDG 9501 ROBINSON North Little Rock AR 72199 Arkansas Department of Labor and Licensing Attn: Ralph T. Hudson 10421 W Markham St Little Rock AR 72205 Arkansas Department of Treasury Attn: Dennis Milligan State Capitol 500 Woodlane Street Suite 220 Little Rock AR 72201 Arkansas EEOC - Little Rock Area Office Attn: William A. Cash Jr. 820 Lousiana Street Suite 200 Little Rock AR 72201

Arkansas Occupational Safety and Health Administration Little Rock Area Office Danville Building #2 10810 Executive Center Dr Suite 206 Little Rock AR 72211 Arkansas Office Of The Attorney General 323 Center St Ste 200 Little Rock AR 72201 Arkansas Office of the Attorney General Attn: Leslie Rutledge 323 Center Street Suite 200 Little Rock AR 72201 Arkansas Office of the Attorney General Consumer Protection Division 323 Center Street Suite 200 Little Rock AR 72201 Arkansas Oil & Gas Commission PO Box 11510 El Dorado AR 71730 ARKANSAS OIL AND GAS COMMISSION 301 NATURAL RESOURCE DR. SUITE 102 Little Rock AR 72205 Arkansas One Call System Inc 2120 Maple Ridge Circle Conway AR 72034 Arkansas Secretary Of State (Business And Commercial Services) 1401 W. Capitol Avenue Suite 250 Little Rock AR 72201 Arkansas Securities Department Attn: B. Edmond Waters 1 Commerce Way Suite 402 Little Rock AR 72202 Arkoma Bakken LLC 203 E Interstate 30 Rockwall TX 75087 Arkoma Drilling Ii LP 5950 Berkshire Lane Ste 1400 Dallas TX 75225 Arkoma Drilling LP 1 Cowboys Pkwy Frisco TX 75034 Arkose Maf 3 Ltd PO Box 53807 Midland TX 79710 Arkose Mineral Acquisition Fund II Ltd PO Box 53807 Midland TX 79710 Arkota Energy Inc PO Box 2109 Williston ND 58802-2109 Arla Kubik C/O Kim Gossman Address Redacted Arla May Erickson Address Redacted Arlana G Renders Address Redacted Arlee Jo Maki Address Redacted Arleen A Tuhy Address Redacted Arlen A Dean L/E Life Tenant Address Redacted Arlen A. Dean, Et Al. Address Redacted Arlen Boyd & Patricia Henneman Living Trust Dtd 1/20/04 Arlen & Patricia Co-Trustees Address Redacted Arlen Kubas Address Redacted Arlen Leroy Flynn Address Redacted Arlen T Swenson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 26 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 29 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Arlen W Johnson Trustee U/Tst Agreement Dtd 05/19/80 Address Redacted Arlene A Karst Ttee Of The Trust Dtd 11/21/84 Address Redacted Arlene A Williams Address Redacted Arlene Ann Crow Address Redacted Arlene Ann Karst Address Redacted Arlene Chavez Address Redacted Arlene Grant Address Redacted

Arlene Hennig Trust Dtd 12/15/2011 Arlene Hennig Trtee Address Redacted Arlene Inoue Address Redacted Arlene Jorgensen Hillestad And Jay Bradley Hillestad, Life Estate Address Redacted Arlene K Bieber Le Address Redacted Arlene K Bieber Robert E Bieber Jtwros L/E Address Redacted Arlene L Roney Address Redacted Arlene M Hennig Living Trust Mary P Tobias - Trustee Address Redacted Arlene M Robitshek Address Redacted Arlene Paulson Address Redacted Arlene Pritchard Address Redacted Arlene Regina Weltman Address Redacted Arlene Riordan Address Redacted Arlene Sedlacek Address Redacted Arlet Elaine Douglas Address Redacted Arlette A Meysenburg Address Redacted Arley And Sandra Larson, Jts Address Redacted ARLEY LARSON AND SANDRA LARSON Address Redacted Arlie Paschke Sandra Dockstader Aif Address Redacted Arline J Payne C/O Lowell A Breiland Address Redacted Arlis Alene Robbins Address Redacted Arlis Atwood Address Redacted Arlis Flaten Schmidt Address Redacted Arlis Freed Address Redacted Arlis Fritsvold Address Redacted Arlis K & James D Kaiser Address Redacted Arlis Kopperud Address Redacted Arlis Ley Address Redacted Arliss H Morse Address Redacted Arlove Stevens Address Redacted Arlyn G Gunderson Address Redacted Arlyn Magnuson Address Redacted Arlynn R Miner Address Redacted Arlys W & Yvonne Hanson Trust Arlys & Yvonne Hanson Trustees Address Redacted Arma Dei Academy Address Redacted Armand Fiorenza Address Redacted Armand Smith Jr Address Redacted Armin Ross Address Redacted M JACKSON ARMSTRONG ARMSTRONG CHILDREN TRUSTEE PO BOX 1999 Dickinson ND 58602 ARMSTRONG CHILDRENS TRUST Address Redacted ARMSTRONG CHILDREN'S TRUST Address Redacted

Armstrong Childrens Trust M Jackson Armstrong Trustee Address Redacted ARMSTRONG CORP PO BOX 1999 Dickinson ND 58602-1999 Armstrong Living Trust Richard R Armstrong And Dena J Armstrong Ttes Address Redacted Armstrong Minerals LLC PO Box 1999 Dickinson ND 58602 ARMSTRONG MINERALS LLC PO BOX 1999 Dickinson ND 58602 ARMSTRONG MINERALS, LLC PO BOX 1999 Dickinson ND 58602 Armstrong Oil LLC PO Box 1999 Dickinson ND 58602 ARMSTRONG OIL LLC PO BOX 1999 Dickinson ND 58602 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 27 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 30 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Armstrong-Reitsch Trust John A Crone Trustee Address Redacted Arndt Family LLLP PO Box 746 Stanley ND 58784 Arndt Family Mineral Trust Paul Arndt Ttee Address Redacted Arne & Joyce Skedsvold Trust Dated 06/15/11 Arne O Skedsvold Trustee Address Redacted Arne J Deschneau Address Redacted Arne Joyce Skedsvold Ranch Tr Kristin Hallgrimson & Paul Skedsvold - Trustees Address Redacted Arne Thiel Address Redacted Arnegard Booster Club PO Box 503 Arnegard ND 58835 Arnegard Family LLLP 1315 Eagles View Place Bismarck ND 58503 Arnegard, Brent Address Redacted Arnegardschool LLC PO Box 88 Arnegard ND 58835-0088 Arnie Barabash Address Redacted Arnie Kainz & Mavis Kainz, Jnt Tnts & Life Estate Address Redacted Arno Douglas Wisness Address Redacted Arnold & Borgny Renbarger Mineral Trust Warren Renbarger Trustee Address Redacted Arnold A Berg Address Redacted Arnold Anderson Address Redacted Arnold Charles Hedstrom L/E Address Redacted Arnold Church Address Redacted Arnold Dutchak Address Redacted Arnold Eugene Thiel Address Redacted Arnold F Black Address Redacted Arnold Gulka & Carol A Gulka, Joint Tenants Address Redacted Arnold Gulka Life Tenant Address Redacted Arnold Havelka Address Redacted Arnold Howard Address Redacted Arnold J And Carol A Gulka Joint Tenants Address Redacted Arnold J Brodman Address Redacted Arnold J Ewoniuk Address Redacted Arnold L & Tina R Emly Address Redacted Arnold L Emly Address Redacted Arnold Milton Aljets Address Redacted Arnold P And Karen M Zelinsky Joint Tenants Address Redacted Arnold Sorenson Address Redacted Arnold Sovig Estate C/O Otto Sovig Address Redacted Arnold T Stenberg Deceased Address Redacted Arnold, Thad Address Redacted Arnson Energy LLC 18910 3rd St E Lake Tapps WA 98391 Arnson Family Partnership LLLP 2409 East Dakota Parkway Williston ND 58801 ARP ENTERPRISES INCORPORATED PO Box 14 14504 87th St SW Bowman ND 58623 Arp Enterprises Incorporated PO Box 14 Bowman ND 58623 Arp Rangely Production LLC C/O Atlas Resource Prt Gp LLC Park Pl Corporate Center One 1000 Commerce Dr Ste 410 Pittsburgh PA 15275 Carrera 27 #7B 145, Edificio Belaire Arreservis SA Attn: Silvia Isabel Escobar Uribe Apt 602 Medellin 050021 Colombia Arreservis SA Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Arross Family Trust Dated 11/26/01 John P Arross Sr And Sally N Arross Co-Trustees Address Redacted Arrow Midstream Holdings Attn: Ashley Ward 2440 Pershing Rd Ste 600 Kansas City MO 64108

ARROW PIPELINE LLC-8306 C/O FREDRICKSON & BYRON P.A. ATTN: LAWRENCE BENDER 1133 COLLEGE DRIVE #1000 Bismarck ND 58501 Arrow Pipeline, LLC c/o Fredrickson & Byron P.A. Attn: Danielle Krause 1133 College Drive #1000 Bismarck ND 58501 Arrow Pipeline, LLC c/o Fredrickson & Byron P.A. Attn: Lawrence Bender 1133 College Drive #1000 Bismarck ND 58501 Arrow Water LLC Attn: Megan Binder 2440 Pershing Road Ste 600 Kansas City MO 64108 Arrowhead Energy Inc 2934 Nw 156th Street Edmond OK 73013 ARROWHEAD ENERGY INC 2934 NW 156TH STREET Edmond OK 73013 Arrowhead Royalty LLC PO Box 9307 Tyler TX 75711 Arroyo Energy Fund LP PO Box 3429 Midland TX 79702 Arroyo Minerals LLC PO Box 3429 Midland TX 79702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 28 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 31 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Arroyo Resources Ltd PO Box 2502 Midland TX 79702 Arsha Vidya Pitham PO Box 1059 Saylorsburg PA 18353-1059 Art Fedge Hoople ND Artemis Investments 5950 Berkshire Lane #1040 Dallas TX 75225 Arthritis Foundation Attn: Matching Gifts 1355 Peachtree St Ne Ste 600 Atlanta GA 30309 Arthur & Lynda Kittelson Lvg T Dtd 6/4/14, Arthur/Lynda, Ttee Address Redacted Arthur A Link Family Trust Grace M Link - Trustee Address Redacted Arthur Anderson Address Redacted Arthur Angeli Address Redacted Arthur Ayres Died 02/78 Address Redacted Arthur Ayzerov Address Redacted Arthur Babbitt Jr Address Redacted Arthur C Johnson Address Redacted Arthur C Stone Address Redacted Arthur C Torgerson Fam Tr Address Redacted Arthur Carson Rubey Iii Address Redacted Arthur Companies Inc Address Redacted Arthur D Klym Address Redacted Arthur D Meschke Address Redacted Arthur E Howard Address Redacted Arthur E Malkowski Address Redacted Arthur E Tidey Address Redacted Arthur F Long Jr Address Redacted Arthur G Paulson Address Redacted Arthur Glasoe Address Redacted Arthur Greenberg Address Redacted Arthur Greenberg Jr Address Redacted Arthur H Orth Address Redacted Arthur H. Ruder Address Redacted Arthur Harry Paulson Iii Address Redacted Arthur Henneke Address Redacted Arthur J Jared Address Redacted Arthur J Ridl & Dorothy A Ridl Irrevoc Minl Tr Dorothy Ridl, Trustee Address Redacted Arthur J Rohr Address Redacted Arthur Johnston Address Redacted Arthur L Lueking Address Redacted Arthur L Pierce Address Redacted Arthur Lee Linder Address Redacted Arthur Locken Address Redacted Arthur M Barton & Elizabeth Barton Address Redacted Arthur Meduna Address Redacted Arthur Moore Wilson Address Redacted Arthur N Anderson Or Ann Anderson Address Redacted Arthur P Larson Address Redacted Arthur Pajari & Lucille Pajari Address Redacted Arthur R Diercks Trust Dated 1/18/95 - Arthur R Diercks - Trustee Address Redacted Arthur R Mann Address Redacted Arthur R Trelstad Address Redacted Arthur S Ridl Address Redacted Arthur S Vickers Address Redacted Arthur Schwandt Address Redacted Arthur Seay Iii Address Redacted Arthur T Teich And Selma Teich Joint Tenants Address Redacted Arthur Theodore Rud Estate Address Redacted Arthur Thorson Address Redacted Arthur V Langved Address Redacted Arthur W Babbitt Iii Address Redacted Arthur W Labrant Address Redacted Arthur W Nelson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 29 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 32 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Arthur W Address Redacted Arthur William Corliss Address Redacted Arthur Wylie Babbitt And Mona Jean Babbitt Address Redacted Article 7 Huestis Family Trust David K Huestis - Trustee Address Redacted Article 8 Trust For David K Huestis - David K & Rebecca M Huestis - Trustess Address Redacted Article 9 Trust For Rebecca M Huestis - David K & Rebecca M Huestis - Trustess Address Redacted Artis Hra 1700 Broadway LP Address Redacted Arturo Carbonelli C/O Mr Gwyn Rees Address Redacted Artz, Chad Address Redacted Arvella E Simpson Address Redacted Arvid Binde Address Redacted Arvid Duane Njos Estate Marilyn Wilson - Pr Address Redacted Arvie Ternquist Family Mineral Trust Sandra Jean Meyer Address Redacted Arvin N Norwood Estate Madeline D Norwood Ind Exec Address Redacted Ascap Address Redacted Ascension H Garza Address Redacted Ascension Oil & Gas LLC PO Box 8927 Midland TX 79708 Ascent Church 29823 Troutdale Scenic Drive Evergreen CO 80439 Ascot Specialty Ascot Underwriting Inc. 825 Town & Country Lane Suite 500 Houston TX 77024 Ash, Ethan Address Redacted Ashby, Thomas Address Redacted Ashlea Helms Address Redacted Ashley Botz Trust Cassie Zemke - Trustee Address Redacted Ashley Hamilton Address Redacted Ashley M Mcnamee Address Redacted Ashley N Slayton Address Redacted Ashley Resources Inc PO Box 63 Bismarck ND 58502 ASHLEY RESOURCES INC PO BOX 63 Bismarck ND 58502 Ashley Valley Water & Sewer Acct: 17.0415.4 609 West Main Po Box 967 Vernal UT 84078 Ashley Whitton Address Redacted Ashley Winslow Address Redacted Ashlie Renee Sokolosky Address Redacted Ashlin Minerals Ltd Address Redacted Ashly Wolf 2005 Trust Sandra L Wolf Trustee Address Redacted Ashok Jain Address Redacted Ashok Jariwala Address Redacted ASHWOOD RES 1161 WAYZATA BLVD E STE 240 Wayzata MN 55391 Ashwood Resources LLC 1161 Wayzata Blvd E Ste 240 Wayzata MN 55391 ASHWOOD RESOURCES LLC 1161 WAYZATA BLVD E STE 240 Wayzata MN 55391 Asis Investments 6730 N Scottsdale Rd, Ste 270 Scottsdale AZ 85253 ASK Transportation Inc Courtney Combs PO Box 1641 Williston ND 58801 Ask Transportation Inc PO Box 1641 Williston ND 58802-1641 ASM Capital 7600 Jericho Turnpike Suite 302 Woodbury NY 11797 ASM Capital Attn: Adam Moskowitz 7600 Jericho Turnpike Suite 302 Woodbury NY 11797 ASM Capital Attn: Adam Moskowitz 7600 Jericho Turnpike, Suite 302 Woodbury NY 11797 ASPECT ENERGY, L.L.C. 109 N POST OAK LN, STE 405 Houston TX 77024 Aspect Holdings LLC Attn: Legal Department 1601 Wewatta St Suite 600 Denver CO 80202 Aspect Resources LLC 1601 Wewatta St Suite 600 Denver CO 80202 ASPECT RESOURCES LLC 511 SIXTEENTH STREET, STE 300 Denver CO 80202 Aspen Grove Royalty Co LLC 608 N Main Street Midland TX 79701 Aspen Leaf LLC PO Box 1488 Mustang OK 73064 Aspen Royalty LLC PO Box 523 Mandan ND 58554 Aspen Technology Inc PO Box 347374 Pittsburgh PA 15251-4374 ASPEN TECHNOLOGY, INC 20 CROSBY DRIVE Bedford MA 01730 Aspenlieder, Jeffrey Address Redacted

Asse - Dues American Society Of Safety Engineers 33477 Treasury Center Chicago IL 60694 Northern California & Nevada District Assemblies Of God Council Inc 6051 South Watt Ave Sacramento CA 95829-1304 Assembly Of God Church 414 E Main St Sidney MT 59270 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 30 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 33 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Asset Finance Group Inc Benefit Of Pnc Bank Escrow Po Box 392458 Cleveland OH 44193 AssetPoint LLC Address Redacted AssetPoint LLC Neil Goldstein 4325 Alexander Drive Suite 100 Alpharetta GA 30022 Assetpoint LLC PO Box 743722 Atlanta GA 30374-3722 ASSETPOINT LLC (APTEAN) 770 PELHAM ROAD Greenville SC 29615 ASSETPOINT LLC-8309 PO BOX 743722 Atlanta GA 30374-3722 U.S. BANCORP INVESTMENTS, ASSISTANT VICE PRESIDENT KEVIN BROWN INC. 60 LIVINGSTON AVE St. Paul MN 55107-1419 FIFTH THIRD BANK/PUBLIC ASSISTANT VICE PRESIDENT LANCE WELLS EMPLOYEES RE 5001 KINGSLEY DRIVE MAIL DROP 1M0B2G Cincinnati OH 45263 SSB&T CO/CLIENT CUSTODY ASSISTANT VICE PRESIDENT MYRIAM PIERVIL SERVICES 1776 HERITAGE DRIVE North Quincy MA 02171 STATE STREET BANK & TRUST ASSISTANT VICE PRESIDENT MYRIAM PIERVIL COMPANY / 1776 HERITAGE DRIVE North Quincy MA 02171 1525 WEST W.T. HARRIS ASSISTANT VICE PRESIDENT ROBERT MATERA WELLS FARGO SECURITIES, LLC CORP ACTIONS - NC0675 BLVD, 1B1 Charlotte NC 28262 WELLS FARGO SECURITIES, 1525 WEST W.T. HARRIS ASSISTANT VICE PRESIDENT STEVE TURNER LLC/SECURITI CORP ACTIONS - NC0675 BLVD, 1B1 Charlotte NC 28262 JPMORGAN CHASE BANK 14201 DALLAS PKWY, CORPORATE ACTIONS ASSOCIATE MARCIN BIEGANSKI NA/DBTC AMERICAS 12TH FL DEPT Dallas TX 75254 14201 DALLAS PKWY, ASSOCIATE MARCIN BIEGANSKI JPMORGAN CHASE BANK/IA 12TH FL CORP ACTIONS DEPT Dallas TX 75254

JPMORGAN CHASE BANK, 500 STANTON ASSOCIATE SACHIN GOYAL NATIONAL ASSOCI CHRISTIANA ROAD, OPS 4 FLOOR 02 Newark DE 19713-2107 ASSOCIATE STEVE SCHAFER SR RBC CAPITAL MARKETS, LLC 60 S 6TH ST - P09 Minneapolis MN 55402-4400 VISION FINANCIAL MARKETS ASSOCIATE VICE PRESIDENT ANA MARTINEZ LLC 4 HIGH RIDGE PARK Stamford CT 06804 Associated Bank, N.A. Beth Cravillion 433 Main St 5th Floor Green Bay WI 54301 Associated Petroleum Co Address Redacted Association For Financial Professionals Inc Po Box 64714 Baltimore MD 21264 Assured Cropping Systems LLC P O Box 907 Laurel MT 59044 Astro Chem Lab Inc P O Box 972 Williston ND 58802-0972 AT&T Po Box 105414 Atlanta GA 30348-5414 At&T Acct No: 432 758-2291 335 3 Po Box 105414 Atlanta GA 30348-5414 At&T Acct No: 831-000-0663 388 Po Box 5019 Carol Stream IL 60197-5019 AT&T Attn: James W. Grudus, Esq One At&T Way Room 3A115 Bedminster NJ 07921 At&T PO Box 5071 Carol Stream IL 60197-5071 At&T Mobility 1025 Lenox Park Blvd Northeast Atlanta GA 30319 AT&T Mobility Po Box 9004 Carol Stream IL 60197-9004 AT&T MOBILITY 208 S AKARD ST Dallas TX 75202 At&T Mobility Fan Number: 02396904 Po Box 9004 Carol Stream IL 60197-9004 Atafma LLC For Halo Aurora 4510 S Reservoir Rd Aurora CO 80015 A-Texian Compressor Inc 111 Skytop Road Po Box 249 Telferner TX 77988-0249 A-TEXIAN COMPRESSOR, INC.-1735 111 SKYTOP ROAD PO BOX 249 Telferner TX 77988-0249 Athena Investments LLC PO Box 10171 Kalispell MT 59904

Athena Penson Minerals Ltd C/O Penson Properties Inc 5950 Berkshire Lane #1040 Dallas TX 75225 Athene Annuity & Life Asrn Co C/O Appolo Royalties Mgmnt LLC 750 Town & Country Blvd Ste 420 Houston TX 77024

Atlantic Richfield Company C/O Bp America Production Company Po Box 848103 Dallas TX 75284 ATLAS OIL CO PO BOX 672992 Detroit MI 48267-2992 ATLAS OIL CO PO BOX 672992 Detroit MI 48267-2992 Atlas Oil Company Attn Robert Kenyon 24501 Ecorse Rd Taylor MI 48180 Atlas Oil Company Attn: John E. Ortoleva, Jr. 24501 Ecorse Rd. Taylor MI 48180 Atlas Oil Company Attn: John Ortoleva, Esq. PO Box 672992 Detroit MI 48267 Atlas Oil Company Attn: Joseph E. Rivera 24501 Ecorse Rd Taylor MI 48180 Attn: Michael D. Warner & Atlas Oil Company c/o Cole Schotz P.C. Benjamin L. Wallen 301 Commerce Street Suite 1700 Fort Worth TX 76102 Atlassian Pty Ltd 32151 Collections Center Dr Chicago IL 60693-0321 Atomic Capital Minerals LLC 2777 Allen Pkwy Ste 1185 Houston TX 77019 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 31 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 34 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country ATOMIC CAPITAL MINERALS LLC 2777 ALLEN PKWY STE 1185 Houston TX 77019 ATOMIC CAPITAL OIL AND GAS COLORADO LLC 2777 ALLEN PKWY STE 1185 Houston TX 77019 Atomic Capital Oil And Gas Colorado LLC Colorado Llc 2777 Allen Pkwy Ste 1185 Houston TX 77019 Atomic Capital Oil And Gas LLC 2777 Allen Pkwy Ste 1185 Houston TX 77019 Atp Oilfield Services LLC 22670 Cr 30 Hudson CO 80642 Atropos Exploration Co 8235 Douglas Ste 1200 Lockbox 12 Dallas TX 75225 Atw Investments LLC PO Box 410 Sidney MT 59270 AUCERNA 250 - 2ND STREET SW SUITE 800 Calgary AB 2TP 0C1 Canada AUCERNA (REGISTRED TRADE NAME OF 3ES INNOVATION INC.) 250 - 2ND STREET SW SUITE 800 Calgary AB 2TP 0C1 Canada Audhild Lindheim Kennedy Address Redacted Audimation Services Inc 16340 Park Ten Pl #335 Houston TX 77084-5142 AUDIMATION SERVICES, INC. 16340 PARK TEN PLACE #335 Houston TX 77084 Audio Video Specialists LLC 200 S Wilcox St #404 Castle Rock CO 80104 Auditboard Inc 12800 Center Court Dr S Ste 100 Cerritos CA 90703 AUDITBOARD INC. 12800 CENTER COURT DR S STE 100 Cerritos CA 90703 12800 CENTER COURT DRIVE AUDITBOARD, INC. SOUTH SUITE 100 Cerritos CA 90703 AuditBoard, Inc. c/o Fox Rothschild LLP Attn: Martha B. Chovanes 2000 Market Street 20th Floor Philadelphia PA 19103-3222 Audrey And Gary Erdmann Address Redacted Audrey Bergeron Address Redacted Audrey Claridge Address Redacted Audrey Erhardt Address Redacted Audrey Jean Butler Address Redacted Audrey L Olson Address Redacted Audrey Mae Garcia Address Redacted Audrey Mae Pierce Address Redacted Audrey Mehlhouse Address Redacted Audrey O Cave Tr Of 3-20-96 Audrey O Cave Ttee Address Redacted Audrey Obrigewitsch Address Redacted Audrey S Neff Rev Trust Audrey S Neff Trustee Address Redacted Audrey Y Messer Address Redacted August Lindecker Address Redacted August Lindecker & George Lindecker Joint Tenants Address Redacted August Mattson Mineral Trust Joseph R Tofte Successor Trustee Address Redacted August R Wentz Address Redacted August Resources Ltd Address Redacted August Sobotka Address Redacted August W Schaub Address Redacted Augusta Aston Covington Address Redacted Augusta Larson Address Redacted Augustus Nichols Jr Address Redacted Auran, Jacob Address Redacted Aurelia Schmoker Address Redacted Aurelius Energy LLC 3041 S Ogden St Englewood CO 80113 Aurora Energy Solutions LLC PO Box 7217 Bismarck ND 58507-7217 Austin & Sarah Buckman Trust Dtd 7-29-19 - Austin R & Sarah Buckman - Trustees Address Redacted Austin Crews Group LP PO Box 128 Effingham IL 62401-0128 Austin D Deschneau Address Redacted Austin Hunsberger Address Redacted Austin Neal Sims Address Redacted Austin R Buckman Address Redacted Austin R Simon Address Redacted Austin T Mclaughlin Address Redacted Auto Auction Of Montana 4432 S Frontage Rd Billings MT 59101 AUTODESK, INC. 111 MCINNIS PARKWAY San Rafael CA 94903 Autom8 Industrial LLC 360 Bayberry Dr Fate TX 75087 Automation & Electronics Inc PO Box 2670 Casper WY 82602 Automation Service 13871 Parks Steed Dr Earth City MO 63045 Automation X Corporation Attn Accounts Receivable PO Box 270250 Fort Collins CO 80527-0250 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 32 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 35 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Autumn Melody Meyer Address Redacted Autumn Michele Crain Henry P Crain Custodian Address Redacted Avalon Consulting Inc 6130 Aviara Blvd Billings MT 59106 AVALON NORTH LLC PO BOX 815 Bismarck ND 58502-0815 AVALON RESOURCES 15 WEST 6TH ST STE 2300 Tulsa OK 74119 Avalon Royalty LLC PO Box 11373 Midland TX 79702 Avcp LLC C/O Travis Property Management PO Box 56429 Houston TX 77256-6429 AVCP, LLC c/o Travis Property Management Attn: Frank Medrano P.O. Box 56429 Houston TX 77256 Averex Inc PO Box 52305 Lafayette LA 70505 Avery Aamoth Address Redacted Avery Alkane LLC PO Box 1075 Bismarck ND 58502 AVERY ALKANE LLC PO BOX 1075 Bismarck ND 58502 Avery Bakken Disposals LLC 35295 Cr 132 Po Box 287 Fairview MT 59221 Avery C Innis Address Redacted Avery Enterprizes Inc PO Box 886 Stanley ND 58784 Avien Corp 700 36Th St Se Ste 100 Grand Rapids MI 49548 Avila Ad4 LLC 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201 Avis Fry Vicki Bessette And Jim Fry Co-Pr Address Redacted Avis I Lokken Address Redacted Avis Katherine Berglund Address Redacted Avis L Monroe Trust Fbo Cole Maxwell Steele Mary C Schmidt - Trustee Address Redacted Avis Lukins Monroe Mary C Schmidt, Aif Address Redacted Avis Mayer Address Redacted Avone Kukla Address Redacted Avonna Starck Address Redacted Avonne Pederson Address Redacted Awaiz Makhani Address Redacted Award & Sign Address Redacted Awb Limited Partnership 1640 North Atlantic Ave New Smyrna Beach FL 32169 Awc Inc 6655 Exchequer Drive Baton Rouge TX 70809 Awc Inc PO Box 974800 Dallas TX 75397-4800 Awell Energy Corporation 410 N 19th St Bismarck ND 58501 Axcon Corporation Houston TX 77010 Axelberg Mediation And Arbitration Pllc 587 Cozy Lane Helmville MT 59843 AXIS EXPLORATION LLC 15 W 6TH ST, SUITE 2350 Tulsa OK 74119 Axness Brothers LLP 2010 8th Avenue West Williston ND 58801 Az Field Services LLC 3900 W County Road 138 Midland TX 79706 AZ OILFIELD SERVICES 3900 W COUNTY RD 138 Midland TX 79706 A-Z Safety Supply 1281 E Magnolia St Unit D102 Fort Collins CO 80524 Aztec Energy Corporation 16006 Via Shavano San Antonio TX 78249 Aztec Energy Corporation Dba B J Investments 16006 Via Shavano San Antonio TX 78249 B & A Laboratories Dba Xenco Laboratories Inc Po Box 2256 Stafford TX 77497 B & B Drilling And Completions PO Box 298008 Wasilla AK 99629 B & B Rental 34940 Highway 23 Sidney MT 59270 B & C Anderson Family LLLP 6702 97th Ave White Earth ND 58794 B & C Quick Test Inc 2460 North 500 East Vernal UT 84078 B & D Electric Inc PO Box 493 Stamps AR 71860 B & D Living Trust Dtd 9-20-17 David W & Bonnie J Cain - Tr Address Redacted B & D Minerals LLC PO Box 171 Kaycee WY 82639 B & D Signs LLC 12705 10 Street Sw Fairfield ND 58627 B & E Pinkerton LLC 3340 Gregory Dr West Billings MT 59102 B & G Roustabout Service LLC PO Box 818 Williston ND 58802 B & H Cementing Services Inc 5880 Venture Way Mt Pleasant MI 48858 B & H Onsite Testing LLC 1674 15th St W #2 Dickinson ND 58601 B & J Resources LLC 410 17th St Ste 1150 Denver CO 80202 B & N Contractors Inc PO Box 2249 Hammond LA 70404 B & P LLC 1301 Overdale Drive Gillette WY 82718 B A O&G LLC PO Box 4672 Jackson MS 39296-4672 B Blaine Sheppard Address Redacted B Civic C/O Leadership Foundation 1445 Market St Denver CO 80202 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 33 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 36 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country B Craig Duke Dba Bracero Oil Co PO Box 10403 Midland TX 79702 B Darlene Piercy Address Redacted B Dawson Coleman Address Redacted B Dianne Krenz Address Redacted B G Murphy Trust Gene W Murphy & Beverly Jean Murphy, Trustees Address Redacted B H Grace Oil LLC PO Box 1385 Dickinson ND 58602-1385 B H Inc 826 South 1500 East Vernal UT 84078 B R Hindman, Deceased Address Redacted B R Royalty LLC Department #999197 1999 Broadway Ste 4320 Denver CO 80202 B T C Oil Properties LLC 2203 Losekamp St Billings MT 59102 B&B Hot Oil Service Inc 135 4th Avenue Se Dickinson ND 58601 B&G Zastoupil Mineral Trust Benedict G Zastoupil Trustee Gladys C Zastoupil Trustee Address Redacted B&H On-Site Testing LLC Nellie Hofland 1674 15th St W Suite 2 Dickinson ND 58601 B&L Pipeco Services Inc PO Box 840280 Dallas TX 75284-0280 B&M Stephens Joint Revocable Trust - Burl C Stephens & Barbara Ramsey Co-Trustees Address Redacted B. Shimek C/O Mrs. M O Hanzlik Address Redacted B.O.S. Roustabout & Backhoe Service Inc Po Box 8 Ryder ND 58779-0008 B-3 Hammond LLC PO Box 1334 Bismarck ND 58502 B-3 HAMMOND LLC PO BOX 1334 Bismarck ND 58502 Ba Blessing LLP 3162 160th Avenue Nw Fairview MT 59221 Ba Tri Ly 125 Day Ave Piscataway NJ 08854 Babette Frankenberg C/O Neuman Steinhauser Saenz & Ardito Business Managemt Inc 132 South Rodeo Drive #301 Beverly Hills CA 90212 Baby Lion Oil & Gas LLC 4701 Marbella Circle Fort Worth TX 76126 Baby Lion Oil & Gas LLC PO Box 122687 Fort Worth TX 76121 Back Country Spraying LLC PO Box 560 Buffalo WY 82834 Back On My Feet C/O Bomf 100 South Broad St Ste 2136 Philadelphia PA 19110 Bad Water Disposal LLP 1316 16th St Sw Sidney MT 59270 Badger Daylighting Corp PO Box 95000 Lb#1627 Philadelphia PA 19195-0001 Badhwa, Premm Address Redacted Badlands Big Sticks Baseball Club Llc 606 12Th St West Dickinson ND 58601 Badlands Consulting LLC Address Redacted Badlands Consulting LLC PO Box 367 Glendive MT 59330 BADLANDS DEVELOPMENT LLC-8312 3711 4TH AVE NE Watford City ND 58854-7027 Badlands Gymnastics Club PO Box 45 Watford City ND 58854 Badlands Hardware PO Box 755 Watford City ND 58854 Badlands Hydrotesting Inc PO Box 286 Bowman ND 58623 Badlands Hydrovac Services LLC 324 4th Ave Ne Po Box 1639 Watford City ND 58854 Badlands Ministries 3892 Bible Camp Road Medora ND 58645 Badlands Occupational Testing Services Llc Po Box 1031 Watford City ND 58854 BADLANDS POWER FUELS LLC PO BOX 1369 Minot ND 58702-1369 BADLANDS POWER FUELS LLC PO BOX 1369 Minot ND 58702-1369 Badlands Power Fuels, LLC PO Box 1369 Minot ND 58702-1369 Badlands Power Fuels, LLC Address Redacted Badlands Power Fuels, LLC Attn: Legal Department 6720 N. Scottsdale Road Suite 190 Scottsdale AZ 85253 Badlands Services Group LLC PO Box 2780 Williston ND 58802-2780 Badlands Steel Inc PO Box 11445 Williston ND 58803-1445 Badon Hill Inc 309 West 7Th St Ste 500 Fort Worth TX 76102 Baeza, Sashia Address Redacted Bailey Mueller LLC C/O Jennifer C Mueller Mgr 4834 Greenwich Pl Highlands Ranch CO 80130 Bailey, Jimmy James Address Redacted Baileys Moving And Storage 11755 E Peakview Avenue Englewood CO 80111 Baillon Oilgas LLC 332 Minnesota St W-1290 St Paul MN 55101 Bainter, Kelly Address Redacted Baird Family Minerals LLC 1451 Glen Hollow Rd Belton TX 76513 Baird FBO Richard Scheets Address Redacted Baker Consulting LLC 2820 102nd Ave Nw Mandaree ND 58757 Baker Hughes Business Support Services Po Box 301057 Dallas TX 75303-1057

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 34 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 37 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country BAKER HUGHES INCORPORATED A GE COMPANY(BHGE US OFS)-312 BUSINESS SUPPORT SERVICES PO BOX 301057 Dallas TX 75303-1057

Baker Hughes Oilfield Operations LLC Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 BAKER HUGHES SOFTWARE INC BUSINESS SUPPORT SERVICES PO BOX 301057 Dallas TX 75303-1057 Baker Hughes, a GE Company, LLC 811 WILLOW OAK DRIVE Missouri City TX 77489-2468 Baker Metal & Recycling Inc PO Box 542 3642 Highway 7 N Baker MT 59313 Baker Mineral Trst Dtd 061082 Diane B Rowland Co- Trustee Lisa Baker-Wilson Co-Trustee Address Redacted

Baker Petrolite LLC Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Baker, Amy Address Redacted Bakersfield Pipe & Supply Inc PO Box 60006 Los Angeles CA 90060-0006 Bakken 1 Minerals LLC PO Box 4678 Englewood CO 80155 Bakken Caballeros Jv C/O American Oil & Gas Corp PO Box 22900 Denver CO 80222 Bakken Carpet Cleaning LLC 514 4th St W Williston ND 58801 Bakken Drilling Fund III LP 5251 Dtc Parkway Suite 200 Greenwood Village CO 80111-2731 Bakken Hbt Ii LP PO Box 779 Oklahoma City OK 73101-0779 BAKKEN HBT II LP PO BOX 779 Oklahoma City OK 73101-0779 Bakken Hbt LP PO Box 779 Oklahoma City OK 73101 BAKKEN HBT LP PO BOX 779 Oklahoma City OK 73101-0779 Bakken Investments LLC PO Box 571 Williston ND 58802-0571 Bakken Mineral Account LLC 100 N Broadway #2460 Oklahoma City OK 73102 Bakken Oil LLC PO Box 471 Sidney MT 59270 Bakken Oil Rush Watford City Outreach Po Box 2901 Watford City ND 58854 Bakken Production Inc 1050 31st Ave Sw, Suite A Minot ND 58701 BAKKEN PRODUCTION INC 1050 31ST AVE SW, SUITE A Minot ND 58701 Bakken Rotors LLC 2901 Cheney Creek Rd Cartwright ND 58838 Bakken Thread Repair LLC 838 21-1/2 Road Grand Junction CO 81505 Bakken Water LLC PO Box 11429 Bozeman MT 59719 BAKKENLINK PIPELINE LLC-8318 1201 LOUISIANA ST STE 3400 Houston TX 77002 BALANCED ENERGY OILFIELD SERVICES USA INC BOX 1865 Brooks AB T1R 1C6 Canada BALANCED ENERGY OILFIELD SERVICES USA INC BOX 1865 Brooks AB T1R 1C6 Canada Balanced Energy Oilfield Services USA Inc Attn: Neil Schmeichel Box 1865 Brooks AB T1R 1C6 Canada Balanced Energy Oilfield Services Usa Inc c/o MMH Lawyers LLP Attn: Thomas B. MacLachlan 1003 – 4 Avenue S Lethbridge AB T1J 0P7 Canada Attn: Henry Flores & Kenneth M. Balanced Energy Oilfield Services USA Inc. c/o Rapp & Krock, PC Krock 1980 Post Oak Blvd Suite 1200 Houston TX 77056 Baldridge Family Mineral Prtsp Dated 10/16/2008 300 Whitefish Hills Dr Whitefish MT 59937 BALLANTYNE LEGACY RESOURCES INC PO BOX 401 Westhope ND 58793 Ballantyne Legacy Resources Inc PO Box 401 Westhope ND 58793 Ballard Oil & Gas LLC 4206 Sunnyside Rd Edina MN 55424 Ballard Petroleum Holdings LLC 845 12Th St W Billings MT 59102-5406 Ballard Petroleum LLC 845 12Th Street West Billings MT 59102 Ballard Spahr LLP 1225 17th St Ste 2300 Denver CO 80202-5596 BALLARD SPAHR LLP 2000 IDS CENTER 80 SOUTH 8TH STREET Minneapolis MN 55402-2119 c/o Perdue, Brandon, Fielder, Collins & Balmorhea Independent School District Mott, L.L.P. Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Balsam Producing Properties PO Box 1324 Billings MT 59103-1324 Banbury Living Trust Roger Wayne & Sharon Anne Banbury - Trustees Address Redacted BANCA IMI SECURITIES CORP. CORPORATE ACTIONS 1 WILLIAM STREET New York NY 10004 Banded Iron Us Inc PO Box 51475 Lafayette LA 70505-1475 Banded Rock LLC 242 3rd Ave W Sherwood ND 58782 BANDED ROCK LLC 242 3RD AVE W Sherwood ND 58782 Bandera Minerals Iii LLC 7134 S Yale Ave Suite 510 Tulsa OK 74136 Bank Of America 100 North Tryon Street Charlotte NC 28255 Bank Of America & William P O'Keefe Jr Co-Ttees Of The Walter F Mullady Trust U/A Fbo Molly Mullady Po Box 840738 Dallas TX 75284-0738 BANK OF AMERICA, N.A. Legal Department 100 North Tryon St Macklenburg County Charlotte NC 28202 Bank Of America, Na/Gwim Trust Opera Sharon Brown 1201 Main Street 9th Floor Dallas TX 75202 Bank Of America, Na/Gwim Trust Operations Sharon Brown 1201 Main Street 9th Floor Dallas TX 75202 Bank Of California Na Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 35 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 38 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bank Of China New York Branch/Client Custody Scott Fiata 410 New York NY 10017 Bank Of Nd, Bismarck Koala 154-97-15-34-1H3 Account #4411157 1200 Memorial Highway PO Box 5509 Bismarck ND 58506-5509 Bank Of Nd, Bismarck Koala 154-97-15-34-27-2 Account #4411165 1200 Memorial Highway PO Box 5509 Bismarck ND 58506-5509 Attn: Glenn E. Siegel and Nakisha Bank of New York Mellon Trust Company, N.A. c/o Morgan, Lewis & Bockius LLP Duncan 101 Park Avenue New York NY 10178-0600 Bank of New York Mellon Trust Company, N.A. c/o Morgan, Lewis & Bockius LLP Attn: Rachel J. Mauceri 1701 Market Street Philadelphia PA 19103 Bank of New York Mellon Trust Company, N.A. c/o Morgan, Lewis, & Bockius LLP Attn: Winstol D. Carter, Jr. 1000 Louisiana Street Suite 4000 Houston TX 77002 Bank of New York Mellon Trust Company, N.A. as Indenture Trustee Jennifer J. Provenzano 505 Ross Street 12th Floor Pittsburgh PA 15262 BANK OF UTAH 50 S 200 E Ste 110 Salt Lake City UT 84111-1617 Bank Of Utah Corporate Trust 50 South 200 E Ste 110 Whiting Oil And Gas 8003839-1 Salt Lake City UT 84111 Bank Of Utah Corporate Trust Services 50 S 200 E Ste 110 Salt Lake City UT 84111-1617 Banks, Tommy Address Redacted Banner Occupational Health Clinics Po Box 29614 Phoenix AZ 85038 Bao Gia Nguyen Address Redacted Baptist Foundation Of Texas 1717 Main St Ste 1400 Dallas TX 75201-4622 Baptist Foundation Of Texas PO Box 840350 Dallas TX 75284-0350 Baqash Resources LP Address Redacted Bar 1 LLC 5503 E Sheena Dr Scottsdale AZ 85254 Bar S Services Inc 3330 I-80 Frontage Rd Cheyenne WY 82009 Bar Y Bar Ranch Inc 13415 Wcr 88 Pierce CO 80650 BAR Y BAR RANCH INC 13415 WCR 88 Pierce CO 80650 Barabara N Parsons Address Redacted Baranko Bros Inc PO Box 0820 Dickinson ND 58602-0820 Baranko Brothers Environmental Serivces Llc Po Box 820 Dickinson ND 58602-0820 Barb Strasheim 725 5th 12Th St Lot 204 Bismarck ND 58504 Barbara & Hollis Magruder Address Redacted Barbara & Thomas Hain Houser Address Redacted Barbara A Bateman Address Redacted Barbara A Clark Address Redacted Barbara A Clevenger Address Redacted Barbara A Fontenot Life Estate Address Redacted Barbara A Harper Address Redacted Barbara A Johnson Address Redacted Barbara A Mccorkle Address Redacted Barbara A Petersen Address Redacted Barbara A Ricks Address Redacted Barbara A Schlosser Address Redacted Barbara A Scott Address Redacted Barbara A Shaw Address Redacted Barbara Ann Bauman Address Redacted Barbara Ann Brown Johnston Address Redacted Barbara Ann Daniels Address Redacted Barbara Ann Mrachek Address Redacted Barbara Ann Nizich Address Redacted Barbara Ann Pierce Address Redacted Barbara Ann Wylie Address Redacted Barbara Ann Zuvanich Address Redacted Barbara Arnold & Steven V Arnold Address Redacted Barbara Atkins Address Redacted Barbara B Gillespie Address Redacted Barbara B Kauk Address Redacted Barbara Barta Address Redacted Barbara Blewett Trust Lorin E Blewett & Lorin E Blewett Jr Co-Ttes Address Redacted Barbara Boltz Address Redacted Barbara Brody Address Redacted Barbara Brubakken Address Redacted Barbara C Braun Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 36 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 39 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Barbara C Moe Trustee Of Trust B Created Under The Moe Family Trust Dated 12/31/01 Address Redacted Barbara C Omara Address Redacted Barbara C Travis Address Redacted Barbara Cebell Address Redacted Barbara Charlene Aldridge Address Redacted Barbara Cicali Address Redacted Barbara Cohen Address Redacted Barbara Cotter Trustee Of The Cotter 1989 Family Trust Address Redacted Barbara D Maldonado Address Redacted Barbara D Tollefson Address Redacted Barbara D Treasure Address Redacted Barbara Davison Address Redacted Barbara Delaney Address Redacted Barbara Dettinger Address Redacted Barbara Dewig Address Redacted Barbara Dolce Address Redacted Barbara Dombrosky Address Redacted Barbara Dorval Mary Ann Kessel, Guardian & Conservator Address Redacted Barbara E And Douglas D Carlson Address Redacted Barbara E Burnett Address Redacted Barbara E Carlson Life Estate Address Redacted Barbara E Cook Address Redacted Barbara E Olson Address Redacted Barbara E Rued Address Redacted Barbara E Simmons Address Redacted Barbara E Woolsey Shaydik Address Redacted Barbara Ellen Sharp Address Redacted Barbara Elwell Hohl Address Redacted Barbara Ervin Jackman Address Redacted Barbara F Malone Fka Barbara F Tuffley Address Redacted Barbara Frances Kessel Address Redacted Barbara Gail Goodman Address Redacted Barbara Gail Lehr Address Redacted Barbara Gene Barker Address Redacted Barbara Grafe Magruder Address Redacted Barbara Grahmann Address Redacted Barbara Griffith Address Redacted Barbara Guillen Address Redacted Barbara Hagler Address Redacted Barbara Harless Address Redacted Barbara Holmes Address Redacted Barbara Iverson Address Redacted Barbara J Adkison Address Redacted Barbara J Barton-Pelham Address Redacted Barbara J Blackmore Address Redacted Barbara J Detienne Address Redacted Barbara J Entzel Address Redacted Barbara J Froehlich Address Redacted Barbara J Hanzal & Duwayne C Hanzal Ttees Barbara J Hanzal Trust Address Redacted Barbara J Hollom Address Redacted Barbara J Mackin TOD Address Redacted Barbara J Mayo Address Redacted Barbara J Olson Address Redacted Barbara J Purcell Address Redacted Barbara J Reidle Address Redacted Barbara J Rice Address Redacted Barbara J Rouse Address Redacted Barbara J Schiltz Address Redacted Barbara J Stenberg Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 37 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 40 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Barbara J. Dodge Address Redacted Barbara Jane Kirkpatrick Address Redacted Barbara Jane Ryan Address Redacted Barbara Jean Beckman Address Redacted Barbara Jean Bussell Address Redacted Barbara Jean Mikul Address Redacted Barbara Jean Whitworth Address Redacted Barbara Jeanne Ratliff Trust U/A/7/8/04, Barbara Ratliff Tt William Ratliff Iii Aif Address Redacted Barbara K Flowers Address Redacted Barbara K Johnson Address Redacted Barbara K Kemppainen Caroline Nagy - Pr Address Redacted Barbara K Kuhn Address Redacted Barbara K Leiseth Address Redacted Barbara K Moellring Address Redacted Barbara Kay Graham Address Redacted Barbara Kay Leiseth Revocable Trust Address Redacted Barbara Kay Leiseth Revocable Trust Dtd 6-12-18 - Pauline Rossmaessler & Marilyn Link-Tr Address Redacted Barbara Kaye Anderson Address Redacted Barbara Kettlewell Scott Address Redacted Barbara Keyworth Address Redacted Barbara Kiefer Address Redacted Barbara Knetig Mercadal Address Redacted Barbara Kuester Address Redacted Barbara L & Clifton H Lee Jt Address Redacted Barbara L Andreasen Address Redacted Barbara L Bollwitt Address Redacted Barbara L Brainard Address Redacted Barbara L Carroll Address Redacted Barbara L Dukes Address Redacted Barbara L Gilbertson Address Redacted Barbara L Hanson Address Redacted Barbara L Naugle Ttee Naugle Family Trust Address Redacted Barbara L Nicolai Address Redacted Barbara L Rogers Address Redacted Barbara L Solberg Address Redacted Barbara L Thompson L/E Address Redacted Barbara Labbe Mclean Address Redacted Barbara Lake Holdings LLP Address Redacted Barbara Lantz Address Redacted Barbara Lee Klein Address Redacted Barbara Linda Jaramillo Address Redacted Barbara Luger Address Redacted Barbara Lyn White Address Redacted Barbara M Blewett Address Redacted Barbara M Burgess Address Redacted Barbara Maloy Address Redacted Barbara Mcmillan Address Redacted Barbara Mcmillan Revocable Trust Barbara Mcmillan - Trustee Address Redacted Barbara Morgan L/E Mark Morgan - Poa Address Redacted Barbara Needham Address Redacted Barbara Nickeson Address Redacted Barbara Peterson Address Redacted Barbara Phillips Descendant Tr Beverly Phillips Wittenberg Trustee Address Redacted Barbara R Edwards Address Redacted Barbara R Edwards Living Trust Dtd 6-5-18 - Barbara Edwards - Trustee Address Redacted Barbara R. Kelley Living Trust Barbara R Kelley Trustee Decla Of Trust Dtd 05-31-2001 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 38 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 41 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Barbara Rae Dyste Address Redacted Barbara Remington C/O Stephanie Schmelz Address Redacted Barbara Russell Address Redacted Barbara S Fogarty Thomas Robert Fogarty - Poa Address Redacted Barbara Scott Hatfield Address Redacted Barbara Sharpe Duff Fka Cline Address Redacted Barbara Shute Richardson Address Redacted Barbara Slota Address Redacted Barbara South Jorvig Address Redacted Barbara Steele Address Redacted Barbara Sterling Address Redacted Barbara Stewart Address Redacted Barbara Stransky Living Rev Tr Barbara V Stransky Trustee Address Redacted Barbara Suwyn Address Redacted Barbara T Coates Life Estate Address Redacted Barbara Thames-Rush Address Redacted Barbara Thompson Siebert Address Redacted Barbara Tootle Johnson Address Redacted Barbara Trogstad Address Redacted Barbara Trogstad & Nyle Trogstad J/T Address Redacted Barbara Vannan Tweedy Address Redacted Barbara Widhalm Ind As Trustee Widhalm Revocabl Tr Dec 1,1992 Address Redacted Barbara Y Bennett Address Redacted Barbara Zob Address Redacted Barberio Limited Partnership Joseph E Barberio Partner PO Box 1349 Boerne TX 78006 Barbie Breedlove Address Redacted Barbour, Lori Address Redacted BARCLAYS BANK PLC NEW YORK BRANCH BARCLAYSBANK PLC-LNBR ANTHONY SCIARAFFO 1301 SIXTH AVE New York NY 10019 200 CEDAR KNOLLS BARCLAYS BANK PLC NEW YORK BRANCH BARCLAYSBANK PLC-LNBR CORPORATE ACTIONS ROAD Whippany NJ 07981 BARCLAYS CAPITAL INC./BARCLAYS BANK ANTHONY SCIARAFFO 1301 SIXTH AVE New York NY 10019 200 CEDAR KNOLLS BARCLAYS CAPITAL INC./BARCLAYS BANK CORPORATE ACTIONS NELLIE FOO; DIRECTOR ROAD CORPORATE ACTIONS Whippany NJ 07981 200 CEDAR KNOLLS BARCLAYS CAPITAL INC./BARCLAYS BANK NELLIE FOO DIRECTOR ROAD CORPORATE ACTIONS Whippany NJ 07981 200 CEDAR KNOLLS BARCLAYS CAPITAL INC./BARCLAYS CAPIT NELLIE FOO DIRECTOR ROAD CORPORATE ACTIONS Whippany NJ 07981 BARCLAYS CAPITAL INC./BARCLAYS CAPITAL CORPORATE ACTIONS 200 CEDAR KNOLLS ROAD CORPORATE ACTIONS Whippany NJ 07981 Barclays Capital Inc./LE Anthony Sciaraffo Corporate Actions 400 Jefferson Park Whippany NJ 07981 Barclays Capital Inc./LE Anthony Sciaraffo 1301 Sixth Ave New York NY 10019 Barclays Capital Inc./LE Giovanna Laurella Vice President 70 Hudson Street 7th Floor Jersey City NJ 07302 Barefoot Minerals Address Redacted Baren Healey Energy LLC PO Box 888 Davis OK 73030 Barge Trucking Inc 640 Wishart Road Kalispell MT 59901 Barker Daniel Chunn Jr Address Redacted Barndt, Eric Address Redacted Barney Considine Address Redacted Barney Gibbons Address Redacted Barney L Brooks Address Redacted BARR ENGINEERING CO 1600 BROADWAY STREET SUITE 1600 Denver CO 80202 Barr Engineering Co. Amy R. Baudler, General Counsel 4300 MarketPointe Dr., Ste. 200 Minneapolis MN 55435 Barr Engineering Company 4300 Marketpointe Dr Ste 200 Minneapolis MN 55435 Barree & Associates LLC 7112 W Jefferson Ave #100 Lakewood CO 80235

Barrett S Korber Minor Russell & Lisa Brown Guardians Address Redacted Barrett, Jason Address Redacted Barrett, Travis Address Redacted Barron Kidd Agency Account 3838 Oak Lawn Ave Ste 910 Dallas TX 75219-4510 Barron Ulmer Kidd Address Redacted Barry Adams Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 39 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 42 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Barry Bostwick Address Redacted Barry C Henry Address Redacted Barry Clay Bedinger & Linda M Bedinger Address Redacted Barry Coughlin Address Redacted Barry Dean Myers Address Redacted Barry Dutchak Address Redacted Barry E Knake Address Redacted Barry F Haesly Address Redacted Barry F Layon Address Redacted Barry L Johnson Address Redacted Barry L Lindbo Address Redacted Barry Lance Benson Address Redacted Barry Mayer Address Redacted Barry S Gilden Address Redacted Barry Shafer Address Redacted Barry Sonnek Address Redacted Barry W Eide Address Redacted Barry W Spector Address Redacted Bartels, Scott Address Redacted Bartelson Fed 44-31 Balancing Interest Address Redacted Bartelson Investments LLLP 7366 41st St Nw Parshall ND 58770 Bartholomew, Jeffrey Address Redacted Bartlett & West Inc 3456 E Century Ave Bismarck ND 58503 Basic Benefits LLC PO Box 775339 Chicago IL 60677-5339 Basic Energy Services Lp PO Box 841903 Dallas TX 75284-1903 Basil H Clark Address Redacted Basil Hunts Along Address Redacted Basin Acquisition Fund LP 1320 South University Dr Suite 400 Fort Worth TX 76107 BASIN ACQUISITION FUND, LP 1320 SOUTH UNIVERSITY DR SUITE 400 Fort Worth TX 76107 Basin Bits Inc 11972 47th St Nw Epping ND 58843 Basin Co-Investment Ii LP Matthew Mason 1320 S. University Dr Suite 400 Fort Worth TX 76107 Basin Concrete Inc PO Box 4264 Williston ND 58802-4264 Basin Filtration Systems And Tubin' Testin' Inc. P O Box 1918 Williston ND 58802-1918 Basin Minerals LLC PO Box 542 Kenmare ND 58746 Basin Precast Inc 34956B Cr 126 Sidney MT 59270 Basin Printers Inc PO Box 1000 Williston ND 58802-1000 Basin Royalty Company PO Box 51499 Amarillo TX 79159 Basin Service Company Inc PO Box 397 Westhope ND 58793 Basin Service Company Inc PO Box 397 Westhope ND 58793 Basin Well Service Inc PO Box 397 Westhope ND 58793 Basinger, Sharon Address Redacted Bastille Energy Corp PO Box 18815 Oklahoma City OK 73154 Basware Inc 60 Long Ridge Rd Ste 301 Stamford CT 06902 BASWARE INC. 1245 ROSEMONT DRIVE Fort Mill SC 29707 Batteries Plus Bulbs 433 Rieger Dr Ste 6 Williston ND 58801 BAU Oil Services Address Redacted BAU Oil Services Brian Boyden 4401 S Technology Dr. Suite 3 Sioux Falls SD 57106 Bau Oil Services Corp 4301 W 57th St Ste 131 Sioux Falls SD 57108 Bauer Family LLP 2930 Cabin Drive West Lot 16 Coleharbor ND 58531 Bauer Welding And Fabrication Llc Po Box 187 Velva ND 58790 Bauer, Jaron Address Redacted Bauman, Tammy Address Redacted Bavendick Fam Irr Trust Gregory J Bavendick Trustee Address Redacted Bavendick Minerals & Royalty PO Box 313 Bismarck ND 58502-0313 Baxsto LLC PO Box 302857 Austin TX 78703 Baxter, Roy Address Redacted Bay Rock Operating Company PO Box 12468 San Antonio TX 78212 Bay Tact Corporation 440 Route 198 Woodstock Valley CT 06282-2427 Bayard H Friedman S-S Tr-Wd536 Frost Bank Min Ast Mgmt-T-6 PO Box 1600 San Antonio TX 78296 Bayou Production Company Inc (Mineral Opportunities Inc) 6012 East Ridge Dr Shreveport LA 71106 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 40 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 43 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bayshore Minerals LLC 2305 W Berry Ave Littleton CO 80120 Baytex Energy Usa Ltd 2800, 520-3rd Avenue Sw Calgary AB T2P 0R3 Canada Bb Management LLC PO Box 80735 Phoenix AZ 85060 BB MANAGEMENT LLC PO BOX 80735 Phoenix AZ 85060

Bb&T Securities, LLC Attn: Corporate Actions 200 S. College St, 8th Floor Charlotte NC 28202 Bb&T Securities, LLC Attn: Mary Glasscock 8006 Discovery Drive Richmond VA 23229-8600 Bb&T Securities, LLC Jesse W. Sprouse 8006 Discovery Drive Suite 200 Richmond VA 23229 Bbe Holdings LLC Department 999198 PO Box 173306 Denver CO 80217-3306 Bbmp Management LLC PO Box 385 Fairview MT 59221 Bbs Securities Inc./CDS** Corporate Actions 4100 Yonge Street Suite 415 Toronto ON M2p 2b5 Canada Bbs Securities Inc./CDS** Corporate Actions Deborah Carlyle 4100 Yonge Street Suite 504a Toronto ON M2p 2g2 Canada BBVA USA Legal Department 8080 N. Central Expressway 3rd Floor Dallas TX 75206 Bcsp 1700 Broadway Property PO Box 741297 Los Angeles CA 90074-1297 BCSP 1700 BROADWAY PROPERTY (PREVIOUSLY 100542 - ARTIS HRA 1700 BROADWAY LP) PO BOX 741297 Los Angeles CA 90074-1297 ATTN: WELLS FARGO PROPERTY BCSP DENVER PROPERTY LLC MANAGER C/O CALLAHAN MANAGEMENT 1700 LINCOLN STREET SUITE 2500 Denver CO 80203 Bcsp Denver Property LLC c/o Beacon Capital Partners Attn: General Counsel 200 State Street 5Th Floor Boston MA 2109

Bcsp Denver Property LLC C/O Beacon Capital Partners, Llc Attn: General Counsel 200 State Street, 5Th Floor Boston MA 02109 ATTN: WELLS FARGO CENTER PROPERTY BCSP DENVER PROPERTY LLC C/O CALLAHAN MANAGEMENT 1700 LINCOLN STREET SUITE 2500 MANAGER Denver CO 80203 Attn: Wells Fargo Center Property 1700 Lincoln Street, Suite Bcsp Denver Property LLC C/O Callahan Management Manager 2500 Denver CO 80203 BCSP Denver Property LLC c/o Goulston & Storrs PC 400 Atlantic Avenue Boston MA 02110-3333 885 , 18th BCSP Denver Property LLC c/o Goulston & Storrs PC Attn: Trevor R. Hoffmann Floor New York NY 10022 Bcsp Denver Property LLC Parking Rent Acct Po Box 740032 Los Angeles CA 90074-0032 Bcsp Denver Property LLC PO Box 740495 Los Angeles CA 90074-0495 885 Third Avenue, 18th BCSP Denver Property LLC c/o Trevor R. Hoffmann, Esq. Goulston & Storrs PC Floor New York NY 10022 Beabout Brock Easley Address Redacted BEACH ND OFFICE LEASE-8321 Address Redacted Beachbums Energy LLC PO Box 5141 Scottsdale AZ 85261-5141 BEACHBUMS ENERGY LLC PO BOX 5141 Scottsdale AZ 85261-5141 Beacon Oilfield Service LLC PO Box 353 Riverton WY 82501 Beade & Darlene Northcut Rv Tr Address Redacted Beagles, Gary Address Redacted Beams Minerals Company 2351 W Northwest Hwy #2303 Dallas TX 75220 Bear Creek Energy PO Box 1450 Bemidji MN 56619-1450 BEAR CREEK ENERGY PO BOX 1450 Bemidji MN 56619-1450 Bear Creek Engineering LLC PO Box 6150 Shreveport LA 71136 Bear Mountain LLC Address Redacted Bear Mountain LLC PO Box 1503 338 Main Street New Town ND 58763 Bear Peak Resources LLC PO Box 52647 Tulsa OK 74152 Beard Oil Company PO Box 850004 Oklahoma City OK 73185-0004 Beartooth Oil & Gas PO Box 2564 Billings MT 59103 Beartooth Ridge Resources Inc PO Box 117 Billings MT 59103 BEARTOOTH RIDGE RESOURCES INC PO BOX 117 Billings MT 59103 Beata Havelka Trust Gerald G Havelka Trustee Marvin J Havelka Trustee Address Redacted Beatrice Christ Address Redacted Beatrice Evans Address Redacted Beatrice Godfrey Trust Chase Bank Of Texas Trustee 3903 Bellaire Blvd Houston TX 77025-1119 Beatrice Gordon Address Redacted Beatrice I Hanson Address Redacted Beatrice M Olen & George Olen As Joint Tenants W/Right Of Survivorship-% Cy Vien Address Redacted Beatrice Pefferkorn Kslo Broadcasting 728 Abdalla Blvd Opelousas LA 70570 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 41 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 44 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Beatrix Ludwig-Meiers Address Redacted Beaty, Jeffrey Address Redacted

Beauchamp Trust Dtd 5-29-85 David Beauchamp Trustee Address Redacted Beauleo Minerals LLC PO Box 271780 West Hartford CT 06127-1780 Beaver Creek Archaeology Inc 1632 Capital Way Bismarck ND 58501 Beaver Creek LLC 3765 Hwy 1806 N Mandan ND 58554 Beaver Investments LLP PO Box 1723 Minot ND 58702 BEAVER INVESTMENTS LLP PO BOX 1723 Minot ND 58702 Beaver Valley Ranch Company C/O Steve Wilhelmi 1616 West Jefferson Joliet IL 60435 Beck, Amy Address Redacted Beck, Stephanie Address Redacted Becky A Graham Address Redacted Becky Behm-Betterley Address Redacted Becky Buchholz Address Redacted Becky Dennis Address Redacted Becky Fogarty Address Redacted Becky J Chase Address Redacted Becky J Rehder Address Redacted Becky J Schell Address Redacted Becky M Brakke Address Redacted Becky Mae Northcut Maxwell Address Redacted Becky Rakowski Address Redacted Becky Schwartz Address Redacted Becky Shea Hollingsworth Address Redacted Becky Weber Revocable Trust Becky Weber Tte Address Redacted Becky Wheeler Address Redacted Bedico LLC 2014 Grove Park Lane Richardson TX 75080 BEDICO LLC 2014 GROVE PARK LANE Richardson TX 75080 Bee Trust Cecil G Edwards Jr, Trustee Address Redacted Beebe, Thomas Address Redacted Beehler, Patrick Address Redacted Behm Energy Inc P O Box 1060 Minot ND 58702 Behm'S Propane Inc PO Box 1369 Minot ND 58702 Behr Family Holdings LLLP 1019 Shakespeare Rd Grand Forks ND 58203 Bel Air Investment Partners LP 300 South Roxbury Dr Beverly Hills CA 90212 Bel Avenir LLC 2817 Chapman Rd Plano TX 75093 BEL FOURCHE PIPELINE PO DRAWER 2360 Casper WY 82606-2360 Belden Apostolic Lutheran Church Inc 8288 48th St Nw Stanley ND 58784 Belden Moberg Address Redacted Belden, Phillip Address Redacted Belfield After Prom Party Address Redacted Belfield Baptist Church PO Box 807 Belfield ND 58622 Belfield Enterprises Belfield ND 58622 Belfield Lutheran Church PO Box 416 Belfield ND 58622 Belfield Operation Aware Address Redacted Belfield Parks & Rec District PO Box 374 Belfield ND 58622 Belfield Public School District 13 PO Box 97 Belfield ND 58622 Belfield Sportsman Club PO Box 735 Belfield ND 58622 Belfield Theater Address Redacted Belinda Darwin Wenzler Address Redacted Bell Legacy Minerals LLC PO Box 10649 Midland TX 79702 Bell Supply Company PO Box 842263 Dallas TX 75284

Bell Supply Company, LLC C/O Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Bell, Kelli Address Redacted Bella V Mckenzie Address Redacted Bella Wolfe Trust Cassie Zemke - Trustee Address Redacted Belle Bergerud Life Estate Address Redacted BELLE FOURCHE PIPELINE COMPANY P.O. DRAWER 2360 Casper WY 82602 Belle Trace Resources Inc PO Box 141243 Broken Arrow OK 74014 Bellian, Jerome Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 42 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 45 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bell-Ma Inc PO Box 746 Plains MT 59859 BeLLPort Oil & Gas Inc Attn: Carla Bell 55 Discovery Ridge Park Sw Calgary AB T3H 5G4 Canada Bellwood Petroleum LLC Ronald Sanford Harwood 12412 Maiden Lane Ravine At Hidden Creek Oklahoma City OK 73142 Belmont Sisters LP Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 Belstad Minerals LLC 1515 West 8th Ave #2 Spokane WA 99204 Belt, Dale Address Redacted Belvie J Conrad Estate Robert J Conrad - Executor Address Redacted Belvie Jean Conrad Address Redacted Ben & Arlene Sedlacek Qtip Trust American State Bank Trustee Address Redacted Ben & Roberta Privratsky Trust Ben A Privratsky & Roberta Privratsky, Trustees Address Redacted Ben A Reid Address Redacted Ben Bird Address Redacted Ben C Wall Address Redacted Ben C Willis Jr Address Redacted Ben E Collins Address Redacted Ben Gude Address Redacted Ben Hamilton Address Redacted Ben J Fortson Iii Childrens Tr Ben J Fortson Iii Trustee Address Redacted Ben Joersz Address Redacted Ben Miller Jr Address Redacted Ben Miller Oil & Gas Inc Address Redacted Ben Olson Address Redacted Ben Popwell Address Redacted Benai A Pederson Address Redacted Benco Oil Services Inc P O Box 1166 Vernal UT 84078 Bender, Perry Address Redacted Benedict Dworsky Address Redacted Benedict Joseph Waldock Address Redacted Benedictine Sisters Of Richardton Inc 2441 10th Ave W Apt 1 Dickinson ND 58601-2778 Benedictine Sisters Of The Annunciation, Bmv 7520 University Dr Bismarck ND 58504-9634 Benefit Fund Of Mckenzie County Healthcare Systems Po Box 1461 Watford City ND 58854 Benefit Fund Of The Good Shepherd Nd Non Profit Organization C/O First Int'L Bank & Trust 4501 40th Ave S Fargo ND 58104 Benefit Fund Of The Mckenzie County Heathcare Systems C/O First Intl Bank & Trust Attn: Trust Dept 3001 25th St S Fargo ND 58103 Benischek Properties LLC 1216 Morningside Dr Ne Albuquerque NM 87110-6171 Benjamat L Taormina Address Redacted Benjamin A Liska Address Redacted Benjamin Bartels Address Redacted Benjamin Bromley Address Redacted Benjamin C Vogel Address Redacted Benjamin Donsky And Charlotte P Donsky Jt Address Redacted Benjamin E Perkins Address Redacted Benjamin Fliginger Address Redacted Benjamin Grinder Address Redacted Benjamin J & Allison Richards Joint Tenants Address Redacted Benjamin J Baye Address Redacted Benjamin J Larson Address Redacted Benjamin L Rogney Address Redacted Benjamin Rote Address Redacted Benjamin S Miller Jr Rev Tr C/O Wells Fargo Bank Na Agent For Trustee Address Redacted Benjamin Segal Address Redacted Benjie Foss Address Redacted Bennett L Price Address Redacted Bennie G Krahn Address Redacted Benno Krenzel Estate Address Redacted Benny Lee Morton Address Redacted Benny Lu Evans Trust Benny Lu Evans - Trustee Address Redacted Benshaw Inc 2601 Solutions Center Chicago IL 60677-2006 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 43 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 46 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Benson Mineral Group Inc 1560 Broadway Ste 1900 Denver CO 80202 Bentley B King Address Redacted Bentley Financial Development LLC 16420 SE Mcgillivray Blvd Suite 103 PMB 195 Vancouver WA 98683 16420 SE MCGILLIVRAY BLVD Bentley Financial Development, LLC HEATHER MCCORMICK STE 103 PMB 195 Vancouver WA 98683 Benton Cook Minerals LLC 3938 Dunhaven Rd Dallas TX 75220 Benz Oil Co Inc 700 27th Avenue Se Killdeer ND 58640 Bepco, L.P. c/o Ct Corporation System 5615 Corporate Blvd. Suite 400B Baton Rouge LA 70808 400 Poydras Tower, 400 Poydras Bepco, L.P. C/O Kelly Elizabeth Ransom St #1812 New Orleans LA 70130 400 Poydras Tower, 400 Poydras Bepco, L.P. C/O Kelly Hart Pitre St #1812 New Orleans LA 70130 400 Poydras Tower, 400 Poydras Bepco, L.P. C/O Loulan Joseph Pitre, Jr. St #1812 New Orleans LA 70130 400 Poydras Tower, 400 Poydras Bepco, L.P. C/O Rachel Marie Scarafia St #1812 New Orleans LA 70130 Berce Mineral Holdings LLC C/O Dorothy L Berce, President 3691 Pierce St South Fargo ND 58104 Berdena E Krapu Trust Berdena E Krapu Trustee Address Redacted Berenergy Coproration 1888 Sherman St, Suite 660 Denver CO 80203 Berg Family Trust Dtd 5-22-00 Jeffrey Warren Berg And Rosemarie Gerlinde Berg Ttee Address Redacted Berg, Eli Address Redacted Berg, Robert Address Redacted Berge, Steven Address Redacted Bergys LLC PO Box 907 Laurel MT 59044 Berkeley R Dowd Address Redacted Berkley Insurance Company 475 Steamboat Road Greenwich CT 06830 Berna Deb Harness Address Redacted Bernadette K Blatz Carol J Thome Poa Address Redacted Bernadette Knaebel Address Redacted Bernadette Obrigewitsch Address Redacted Bernadette Pokluda Address Redacted Bernadette T Stamp Life Tenant Address Redacted Bernadine Kay Flynn Address Redacted Bernadine L Boltz Address Redacted Bernadine Milles Address Redacted Bernadine Quickel Address Redacted Bernadine Sticka Address Redacted Bernadine V Jacobs Address Redacted Bernadita H Sandoval Address Redacted Bernal & Paulette Marsh Family Mineral Trust Dtd 9/10/2012 Bernal C Marsh, Trustee Address Redacted Bernal Havelka Address Redacted Bernard A Graner Jr Address Redacted Bernard A Kilzer Fmly Mnrl Tr Paul B Kilzer Trtee Address Redacted

Bernard And Charlotte Ficek Life Estate As Joint Tenants Address Redacted Bernard C Zastoupil Address Redacted Bernard F Stanley Address Redacted Bernard G Kordonowy & Cynthia F Kordonowy Address Redacted Bernard Hanson C/O Paula M Hanson Address Redacted Bernard J And Ethel Klein Joint Tenants Address Redacted Bernard Kemper Keever Address Redacted Bernard M Beck Address Redacted Bernard Michael Descamp Address Redacted Bernard Mrachek Address Redacted Bernard P Bonnell Address Redacted Bernard P Schumacher Address Redacted Bernard Patrick Andriash Address Redacted

Bernard V Pavlish & Mary Frances Pavlish Fmly Minl Tr- Bernard V Pavlish & Mary Frances Pavlish, Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 44 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 47 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bernard W Schwartzenberger Address Redacted Bernard Weisbond Address Redacted Bernardine Alpert Address Redacted Bernell And Kathy Tollefsrud Jtwrs Address Redacted Bernell Tollefsrud Address Redacted Bernette R Obrigewitch & Maurice M Obrigewitch Address Redacted Bernhardt F Link Barbara A Link Joint Tenants Address Redacted Bernice A Walter Address Redacted Bernice B Sweet Address Redacted Bernice Etzler Aka Sister M Serena Incarnate Word Convent Address Redacted Bernice H Monfort C/O Mrs Floyd Ruth Spivey Address Redacted Bernice Heck Address Redacted Bernice Kooken Address Redacted Bernice L Boucher Under The Will Of Robert W Boucher, Trustee Address Redacted Bernice Lysne Hess Address Redacted Bernice M Peckler Address Redacted Bernice Mueller Life Estate Address Redacted Bernice Riedel Life Estate Address Redacted Bernice Santiago Address Redacted Bernice Sulyma Address Redacted Bernice T Duletski Address Redacted Bernice Wilson Address Redacted Bernie Goodman Address Redacted Berniece D Larson Address Redacted Berntson Family Limited Partnership Neal Berntson Address Redacted Berrey Family Trust Gail B Berrey, Trustee Address Redacted

Berry Family Investments LLC 805 Nw 63rd St Oklahoma City OK 73116 Berry Ventures Inc 2200 S Utica Place Suite 410 Tulsa OK 74114 Berryman, Elvera Address Redacted Bert C Olson And Amelia Zepeda De Olson Hw Address Redacted Bert Fields Jr Estate C/O Michael P Haggerty Exec Address Redacted Bert H Creighton And Alma D Creighton Jt Address Redacted Bert R Sawyer Address Redacted Bertha Besch Trust Regions Bank - Trustee Address Redacted Bertha F Hoff Address Redacted Bertha L Labrant Arthur W Labrant Poa Address Redacted Bertha Lee Ford Trust Happy State Bank Trustee Address Redacted Bertha Mathews Address Redacted Berthold Sportsmen Club Inc PO Box 243 Berthold ND 58718 Bertie Lou Madden Address Redacted Bertram B Obrigewitch Address Redacted Berwick Resources LP PO Box 25 Bainville MT 59212 Beryl Schmidt Address Redacted Bess Aspinwall Pulitzer Tr #2 Chase Bank Co- Ttee Bess Aspinwall Pulitzer Cottee New York NY Besser, Mianne Address Redacted Bessie German Estate C/O Larry & Gloria German Address Redacted Bessie L Hollyfield Trust Fbo Audra Hollyfield Muldoon Regions Bk Ttee #439333006 Address Redacted Bessie L Hollyfield Trust Fbo James Hollyfield Regions Bk Ttee #439335001 Address Redacted Bessie L Hollyfield Trust Fbo Joni Hollyfield Regions Bk Ttee #439334004 Address Redacted Bessie Larmer Address Redacted Bessie Larmer Life Estate Address Redacted Best Energy Inc PO Box 9 South Heart ND 58655-0009 Best Friends Mentoring 135 W Villard Dickinson ND 58601 777 BRICKELL AVENUE SUITE BETA CAPITAL SECURITIES LLC 1201 Miami FL 33131 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 45 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 48 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Beth & Ken Karmin Family Tr Address Redacted Beth A Aisenbrey Address Redacted Beth A Miller Address Redacted Beth A Mindt Address Redacted Beth A Rolfe Address Redacted Beth Ann Finsaas Address Redacted Beth Ann Kalianoff Address Redacted Beth Ann Wieder Address Redacted Beth Bendler Address Redacted Beth Conyers Address Redacted Beth Dilley Address Redacted Beth E. McCarthy Address Redacted Beth Frederiksen Address Redacted Beth Heinle Address Redacted Beth Ross Buckley Address Redacted Beth Savidge Address Redacted Beth W Hughes Address Redacted Bethanie K Beyer Address Redacted Bethann Farish Address Redacted Bethany Fehr Address Redacted Bethany S Adair Address Redacted Bethany Schmidt Address Redacted Bethel Lutheran Cemetary 2561 Cheney Creek Rd Cartwright ND 58838 Bethel Lutheran Foundation 1705 3rd Ave W Suite 101 Williston ND 58801 Bethlehem Lutheran Church Elca 4399 78th Ave Nw PO Box 566 New Town ND 58763 Betsy L Whicker Address Redacted Betsy R Freeman Address Redacted Betsy Shapiro Robinson Address Redacted Bette Address Redacted Bette Daudu Address Redacted Bette Detterer Address Redacted Bette J Ashwill Address Redacted Bette J Mathis Address Redacted Bette J Suderman L/E Address Redacted Bette K Papineau Address Redacted Bette Kambeitz Address Redacted BETTE L KNABE TTEE Address Redacted Bette Young Address Redacted Bettianne H Bowen Ttee Bettianne H Bowen Lt Address Redacted Bettie Smith Address Redacted Betts, Benjamin Address Redacted Betty A Blythe Mineral Trust Brian C Payne - Trustee Address Redacted Betty A Blythe Trust Address Redacted Betty A Blythe Trust Brian C Payne- Trustee Address Redacted Betty Aasen Address Redacted Betty Allen Address Redacted Betty B Ladmer Trust Vicki Lynn Bagley Trustee Address Redacted Betty Barigar Address Redacted Betty Bartolomei Address Redacted Betty Bode Murphy Address Redacted Betty Brega Address Redacted Betty Cherrey And Pat Cherrey Jtwros Address Redacted Betty D Renner Address Redacted Betty Drievold Address Redacted Betty E Brown Address Redacted Betty E Ferrel Le Address Redacted Betty Ferrol Riddle Address Redacted Betty G Garrett Mcdonald Address Redacted Betty Gelhaus Address Redacted Betty Gordon Mcdaniel Estate Of William E Mcdaniel Address Redacted Betty Grovogel Revocable Trust Associated Bank Green Bay Na Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 46 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 49 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Betty Hanson Address Redacted Betty Hedrick Hafner Address Redacted Betty J Aga Address Redacted Betty J Brega Address Redacted Betty J Brown Address Redacted Betty J Courser Address Redacted Betty J Cunningham Address Redacted Betty J Kadrmas Address Redacted Betty J Mcginnis Address Redacted Betty J Nelson Address Redacted Betty J Olsen Address Redacted Betty J Platt Address Redacted Betty J Powell Address Redacted Betty J Smith Le Address Redacted Betty J Tuthill Address Redacted Betty J Volney Revocable Living Trust Betty J Volney Trustee Address Redacted Betty J. Kelly Address Redacted Betty Jane Harper Address Redacted Betty Jane Mohrman Address Redacted Betty Jane Platt Revocable Tr Betty Jane Platt Trustee Address Redacted Betty Jean Bates Inc 23 Crestway St Wellington KS 67152 BETTY JEAN CASTOR CONSERVATORSHIP 299 S. MAIN 8TH FLOOR Salt Lake City UT 84111 Betty Jean Castor Conservatorship C/O Wells Fargo Bank N.A As Conservator PO Box 41779 Austin TX 78704 Betty Jean Cochran Turner Address Redacted Betty Jean Kauffman Address Redacted Betty Jean Keyes Barber Address Redacted Betty Jean Medley Address Redacted Betty Jean Riddle Address Redacted Betty Jean Seader Address Redacted Betty Jean Springer Address Redacted Betty Jo Beane Mahaffey Address Redacted Betty Joan Timms Address Redacted Betty K Ellingson Address Redacted Betty K Juma L/E Address Redacted Betty Karst Little Estate Address Redacted Betty Kelly Address Redacted Betty Koerner Address Redacted Betty L Bezzerides Address Redacted Betty L Brown Address Redacted Betty L Davis Address Redacted Betty L Hegge Address Redacted Betty L Hegge L/E Address Redacted Betty L Holum By Susan A Zimmerman, Her Aif Address Redacted Betty L Holum Royalty Trust Address Redacted Betty L Mcminn Address Redacted Betty L Murray Address Redacted Betty L Ortloff Address Redacted Betty L Pieters Address Redacted Betty L Sjostrom Address Redacted Betty Lane Winslow Ttee Address Redacted Betty Lech Address Redacted Betty Littlefield L/E Gary Littlefield Poa Address Redacted Betty Loosen Kuehn Address Redacted BETTY LOU BEAN WILLARD Address Redacted Betty Lou Cava Address Redacted Betty Lou Knoll Declaration Of Trust Dtd 6/17/10, John Knoll& Diane Mccrary Succ Co-Ttees Address Redacted Betty Lou Stocking Estate Address Redacted Betty M Larsen Address Redacted Betty Milner Blake Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 47 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 50 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Betty Morgan Address Redacted Betty Pulliam Whitehead Address Redacted Betty Scogin Address Redacted Betty Swanson Address Redacted Betty Thompson Address Redacted Betty Vaira Family Trust Jack Vaira Trustee Address Redacted Betty Vaira Mineral Trust Dated 12-7-12 Address Redacted Betty W Coole Address Redacted Betty Williams Address Redacted Betty Wise Guida Revocable Tr Address Redacted Betty Zingleman Minerals Trust Monte Gaukler Trustee Address Redacted Bettybird Resources LLC Attn: Douglas Prieto 911 Harvard Ave Midland TX 79701 Bettye Burroughs Noble 2200 Willowick, Apt 2-A Houston TX 77027 Beunis Thigpen Living Trust 523 Larkwood Drive San Antonio TX 78209 Bevan W Bunker Testamentary Tr Coralee Ostlund Trustee Address Redacted Beveridge & Diamond Pc 1350 I Street Nw Ste 700 Washington DC 20005-3311 BEVERIDGE & DIAMOND PC 1350 I STREET NW STE 700 Washington DC 20005-3311

BEVERIDGE & DIAMOND, P.C. ATTN: PETER J. SCHAUMBERG 1350 I STREET, N.W., SUITE 700 Washington DC 20005-3311 Beverlee Ostenaa Address Redacted Beverley J Wolfe Address Redacted Beverley Margaret Pray Address Redacted Beverley Storsteen Address Redacted Beverly & Dale Filkowski Address Redacted Beverly & Douglas Danielson Address Redacted Beverly A Cayko Life Estate Address Redacted Beverly A Garrison Address Redacted Beverly A Janz Address Redacted Beverly A Lee Le Address Redacted Beverly A Maxwell Address Redacted Beverly A Olivas Address Redacted Beverly A Schwabe Address Redacted Beverly A Simonson Address Redacted Beverly And Ernest Leonard Address Redacted Beverly And Ernest Leonard Joint Tenants Address Redacted Beverly Ann & David A Roberts Address Redacted Beverly Ann Humenyik Address Redacted Beverly Ann Stenehjem Rev Lvg Trst Dtd 3-27-01 Jill W Degn Trustee Address Redacted Beverly Ann Stenehjem Revoc Living Trust - Dtd 1-18-12 Jill W Degn - Trustee Address Redacted Beverly Ann Wood Address Redacted Beverly Beck Blum Address Redacted Beverly Bowen De Lucia Address Redacted Beverly C Casselberry Address Redacted Beverly Danielson Address Redacted Beverly Delamore Address Redacted Beverly Dokken Address Redacted Beverly E Anderson Address Redacted Beverly Elaine Bain Sessions Address Redacted Beverly Erickson Kenneth Erickson - Poa Address Redacted Beverly Falstad Estate Address Redacted Beverly G Otto Trust Under Agmt Dtd 8/16/12 Roxanne Muehlbauer, Trustee Address Redacted Beverly G Rohde Address Redacted Beverly Gean Olson Address Redacted Beverly Hight Address Redacted Beverly Hildre Address Redacted Beverly I Bummer Address Redacted Beverly Irene Anderson Address Redacted Beverly Ivers Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 48 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 51 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Beverly J Aslakson Address Redacted Beverly J Barrett Address Redacted Beverly J Forthun Address Redacted Beverly J Garrett Address Redacted Beverly J Hoff Address Redacted Beverly J Kadrmas Address Redacted Beverly J King Address Redacted Beverly J Leom Address Redacted Beverly J Lewtschuk Address Redacted Beverly J Lindsay Address Redacted Beverly J Lucas Address Redacted Beverly J Wellington Address Redacted Beverly Jane Beckman Address Redacted Beverly Jean Weise Address Redacted Beverly Joan White Address Redacted Beverly K Mcdougal Address Redacted Beverly Kahn Address Redacted Beverly Kelly Address Redacted Beverly Lake Address Redacted Beverly M Duval Address Redacted Beverly M Giese Life Estate Address Redacted Beverly M Millsap Address Redacted Beverly Mae Gaalswyk Address Redacted Beverly Maki Address Redacted Beverly Meiers Address Redacted Beverly Mittelstadt Life Estate Address Redacted Beverly P Lalonde Trustee Beverly P Lalonde Rev Lvg Tr Address Redacted Beverly Phillips Wittenberg Trustee Of Beverly Phillips Wittenberg Trust Address Redacted Beverly R Anderson Address Redacted Beverly R Westphal Address Redacted Beverly Ridl Address Redacted Beverly Roberts Address Redacted Beverly Routh Address Redacted Beverly S Moore IRA Address Redacted Beverly Schoonmaker Rev Lvg Tr Address Redacted Beverly Thompson Address Redacted Beverly Thompson & Larry Thompson J/T L/E Address Redacted Beverly Townsend Address Redacted Beverly Walker Estate C/O Joe & Carol Walker Address Redacted Beverly Westphal Address Redacted Beverly Yost Lindh B Trst Lynda Yost Lindh Tr Address Redacted Beverly Yost Lindh Little Address Redacted Bevo Production Co 113 W 8Th Amarillo TX 79101 Beyond Horizon LLC PO Box 223 Norman OK 73070 BEYOND HORIZON LLC P O BOX 223 Norman OK 73070 BF ENERGY LLC 3504 E CLAIRMONT AVE Paradise Valley AZ 85253 Bf Energy LLC C/O Randal Buness 3504 E Clairmont Ave Paradise Valley AZ 85253 Bf Ventures LLC 1050 31st Ave Sw Ste A Minot ND 58701-2005 Bfw Co 6010 Connerly Dr Dallas TX 75205 Bhch Mineral Ltd PO Box 1817 San Antonio TX 78296-1817 Bhch Properties Ltd 5111 Broadway San Antonio TX 78209-5709 Bhd Holding Company LLC 711 Louisiana Suite 1660 Houston TX 77002 Bhg Inc PO Box 309 Garrison ND 58540-0309 Bhh Investments LLC PO Box 3715 Enid OK 73702 BHH INVESTMENTS LLC PO BOX 3715 Enid OK 73702 Bhmt Resources LLC 6966 S Boulder Rd Boulder CO 80303 Bhs Inc PO Box 1168 Vernal UT 84078 Bia, U&O Agency Ute Distribution Corporation Dept C188 Po Box 474888 Des Moines IA 50947-4888 Bia, U&O Agency Ute Distribution Corporation Dept C188 Po Box 474888 Des Moines IA 50947-4888 Bibler Resources Company PO Box 1195 Kalispell MT 59903 Bico Drilling Tools PO Box 301260 Dallas TX 75303-1260 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 49 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 52 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bicycle Colorado 1525 Market St #100 Denver CO 80202 Bid Group LLC PO Box 5045 Scottsdale AZ 85261-5045 BID GROUP LLC PO BOX 5045 Scottsdale AZ 85261-5045 Bidell Gas Compression Ltd 6900 112Th Ave Se Calgary AB T2C 4Z1 Canada Bieber, Samuel Address Redacted Bieri, Thomas Address Redacted Big Bend Mhmwi Investments LLC 4441 Buena Vista St Dallas TX 75205 Big Bud Minerals LLC PO Box 1446 Williston ND 58802-1446 Big C Trucking Inc 363 East Main Street Po Box 790054 Vernal UT 84078 Big Cypress Energy LLC 327 North Roberts St Gilmer TX 75644 Big Disposal Cartwright LLC PO Box 158 Worthington MN 56187 Big Disposal Irgens LLC 1525 Bioscience Dr Po Box 158 Worthington MN 56187 BIG Disposal Irgens, LLC Address Redacted Big Gas LLC 12095 W 53rd Pl Arvada CO 80002 Big Horn Anchor Service Inc PO Box 1738 Worland WY 82401 Big Horn Co-Op Marketing Assoc 400 West Bighorn Worland WY 82401 Big Horn County Treasurer PO Box 430 Basin WY 82410 Big Horn County, WY Treasurer 420 C St Basin WY 82410 BIG HORN REA Attn: Jeff Umphlett PO BOX 270 Basin WY 82410-0270 Big Horn Redi-Mix P O Box 48 Thermopolis WY 82443 Big Horn Rural Electric 415 South Street Po Box 270 Basin WY 82410-0270 Big Horn Rural Electric Po Box 270 Basin WY 82410-0270 Big Horn Rural Electric Company Attn: Jeff Umphlett PO Box 270 Barin WY 82410 Keith M. Aurzada, Michael P. 2850 N. Harwood St., Ste. Big Horn Rural Electric Company c/o Reed Smith LLP Cooley, & Lindsey L. Robin c/o Reed Smith 1500 Dallas TX 75201 2850 N. Harwood Street, Big Horn Rural Electric Company c/o Reed Smith, LLP Attn: Lindsey L. Robin Suite 1500 Dallas TX 75201 Big Horn Water LLC PO Box 52 Worland WY 82401 Big Lake Oil Company LLC 4520 12Th Str Ne Fessenden ND 58438 BIG LAKE OIL COMPANY LLC 4520 12TH STR NE Fessenden ND 58438 Big Lake Oil Company LLC Cindy Melby 4520 12th St. NE Fessenden ND 58438 Big Lease Trucking LLC 2657 Rough Stock Rd Killdeer ND 58640 Big Red Hot Oil Service Inc PO Box 1847 Vernal UT 84078 Big Roy Trucking Inc 759 7th Ave Nw Mercer ND 58559 Big Sixty LLC 7523 Queen Circle Arvada CO 80005 Big Sky Energy Equipment PO Box 206 Brighton CO 80601 Big Sky Land & Title Inc PO Box 755 Chinook MT 59523 Big Sky Mineral Trust Serena B Kundysek Trustee PO Box 3788 Arlington TX 76007-3788 Big Sky Open PO Box 29971 Thornton CO 80237 Big Stone Minerals LLC 12143 78th St Nw Alamo ND 58830 Big West Drilling Company Address Redacted Bigdough 421 Fayetteville St, Ste 900 Raleigh NC 27601 Bighorn Construction & Reclamation Llc Po Box 759 Greeley CO 80634 Bighorn Vac Inc PO Box 1350 Sidney MT 59270 Bigley, Nikole S Address Redacted MBAF MORRIS, BROWN, 301 EAST LAS OLAS BLVD BIGSKY OIL & GAS LLC C/O RONALD FINKELSTEIN ARGIZ & FA 4TH FLOOR Ft Lauderdale FL 33301 MBAF MORRIS, BROWN, ARGIZ 301 EAST LAS OLAS BLVD BIGSKY OIL & GAS LLC C/O RONALD FINKELSTEIN & FA 4TH FLOOR Ft Lauderdale FL 33301 Bigsky Oil & Gas LLC C/O Ronald Finkelstein Mbaf Morris, Brown, Argiz & Fa 301 East Las Olas Blvd 4th Floor Ft Lauderdale FL 33301 BILADEAU HOLDINGS LLC 96 VIRGINIA ST St Paul MN 55102 Bilfinger Westcon Inc PO Box 1735 Bismarck ND 58502 BILL BARRETT CORPORATION (NOW HIGH POINT RESOURCES) 555 17TH STREET, STE. 3700 Denver CO 80202 Bill Brenner Succ Ttee Julian Jay Lalonde Trust Address Redacted Bill Brister Address Redacted Bill D Farleigh Rev Trust Bill D Farleigh Trustee Address Redacted Bill D. Farleigh Revocable Trust Address Redacted Bill Dolyniuk Address Redacted Bill E Duke TTEE V/A DTA 4/10/1996 Address Redacted Bill E Krivarchka Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 50 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 53 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bill G Cantrell Address Redacted Bill Hancock Address Redacted Bill J Jakubowsky Joyce Oaks Aif Address Redacted Bill J Markham Estate Trust Joni Lee Markham Trustee Address Redacted Bill John Andriash Address Redacted Bill L Seerup Address Redacted Bill L Seerup Esther M Seerup H/W Address Redacted BILL L. CADMAN Address Redacted Bill Lanier Address Redacted Bill Neal Jr Address Redacted Bill Rulla Address Redacted Bill S Russell & Louise E Steeps Co-Ttees Russell Trust Agreement Address Redacted Bill Seber Address Redacted Bill Tucker Family Tr Address Redacted Billie G Buxbaum Address Redacted Billie Kay Woods Address Redacted Billie Kirby Address Redacted Billie Lee Coulam Address Redacted Billie Lee Coulam Life Tenant Address Redacted Billie Louise Bradley Address Redacted Billie Rogene Spruell Address Redacted Billie Sue Edwards Address Redacted Billings County Auditor PO Box 168 Medora ND 58645-0168 Billings County Recorder PO Box 138 Medora ND 58645 Billings County Rural Fire Department Po Box 596 Belfield ND 58622 Billings County School District No. 1 PO Box 307 350 Broadway Medora ND 58645 Billings County, ND Treasurer 495 4th Street Medora ND 58645 Billings County, ND Treasurer PO Box 168 Medora ND 58645 Billings, Jason Address Redacted BILLY & MARION SMITH FAMILY TR Address Redacted Billy D Hammitt Address Redacted Billy D Stevens Address Redacted Billy D. Seamon Address Redacted Billy Davison Address Redacted Billy Dean Seamon Address Redacted Billy E Clapp Address Redacted Billy Hugh Cranford Address Redacted Billy Shaw Address Redacted Billy Sinclair Address Redacted Billy Wade Bode Address Redacted Billye James Jobe Trust Billye James Jobe, Trustee Address Redacted Bilston Bessemer LLC Patrick H Beddow 2005 Poly Dr Billings MT 59102 Bing C Poff Address Redacted Binstock, Joey Address Redacted Bio Tech Inc 4900 Dougherty Place Oklahoma City OK 73179 Biodynamics Unlimited Corporation Po Box 721620 Norman OK 73070-8242 Bioremediation Contractors & Consultants Po Box 53427 Lubbock TX 79453 Bip DriLLCo LLC 1700 Lincoln St Suite 3450 Denver CO 80203 BIP DRILLCO LLC 1700 LINCOLN ST SUITE 3450 Denver CO 80203 Bird Conservancy Of The Rockies 230 Cherry St Fort Collins CO 80521 Bird, Laura Address Redacted Birdwell Energy Resources LLC PO Box 470754 Fort Worth TX 76147 Birkeland Family Holdings Inc 820 34th Ave E Ste 200 West Fargo ND 58078 Birkman International Inc PO Box 95573 Grapevine TX 76099-9708 Birnt Hills Resources LLC 11191 Sand Creek Road New Town ND 58763 BIRNT HILLS RESOURCES LLC 11191 SAND CREEK ROAD New Town ND 58763 Bischof, Randall Address Redacted Bishop Of Bismarck Diocese PO Box 1137 Bismarck ND 58502 Bishop Quin Foundation C/O Bank Of America Na PO Box 840738 Dallas TX 75284-0738 Bishop, Dijana Address Redacted Bismarck Area Catholic Education Foundation 2005 N Kavaney Dr Ste 100 Bismarck ND 58501 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 51 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 54 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bismarck Public Schools 1221 College Dr Bismarck ND 58501 Bismarck St College Foundation Bjc Development Foundation Aka Aka Bismark Jr PO Box 5587 Bismarck ND 58506-5587 Bismarck-Mandan Young Life 601 N 5th St Bismarck ND 58501 Bison Energy Corp PO Box 271183 Littleton CO 80127-1183 Bison Engineering Inc 3143 E Lyndale Ave Helena MT 59601-6401 Bison Plains Minerals Diets One LLC PO Box 4065 Bismarck ND 58502 Bison Plains Stafford Minerals PO Box 4065 Bismarck ND 58502 Bison Plains Truax Lease LLC PO Box 4065 Bismarck ND 58502 Bit Refinery LLC PO Box 806 Morrison CO 80465 BIT REFINERY, LLC PO BOX 806 Morrison CO 80465 Bitter End Royalties LP PO Box 670988 Dallas TX 75367-0988 Bitterroot Public Library 306 State St Hamilton MT 59840 Bj Royalty LLC PO Box 2331 Casper WY 82602 Bj Services LLC PO Box 733585 Dallas TX 75373-3585 Bjarne Ursin And Esther Ursin Joint Tenants PO Box 233 Boston MA 02117-0231 Bjc Investments LLC PO Box 460 Greenville MI 48838 BJC INVESTMENTS LLC PO BOX 460 Greenville MI 48838 Bjf 2012 Family Trust Lee Fikes Trustee Address Redacted Bk Family LLC PO Box 30218 Spokane WA 99223 Blac Frac Tanks Inc 808 County Road215 Parachute CO 81635 Black Bear Oil & Gas LLC 9541 W Hialeah Pl Littleton CO 80123 Black Bear Resources Ii LLC 10390 39th Street North Suite 4 Lake Elmo MN 55042 BLACK BEAR RESOURCES II LLC 10390 39TH STREET NORTH SUITE 4 Lake Elmo MN 55042 Black Bear Resources Iii LLC 10390 39th Street North Suite 4 Lake Elmo MN 55042 Black Bear Resources Iii LLC 10390 39th Street North, Suite 4 Lake Elmo MN 55042 BLACK BEAR RESOURCES III LLC 10390 39TH STREET NORTH SUITE 4 Lake Elmo MN 55042 Black Bear Resources Iv LLC 10390 39th St North, Ste 4 Lake Elmo MN 55042 Black Bear Resources LLLP 10390 39th Street North Suite 4 Lake Elmo MN 55042 Black Bear Resources LLLP 10390 39th Street North, Suite 4 Lake Elmo MN 55042 BLACK BEAR RESOURCES LLLP 10390 39TH STREET NORTH SUITE 4 Lake Elmo MN 55042 Black Bullion LLC PO Box 3102 Bismarck ND 58502 BLACK BULLION LLC PO BOX 3102 Bismarck ND 58502 Black Diamond Royalty Company PO Box 10165 Fleming Island FL 32006 Black Family Limited Partnership c/o Gregory Meece 811 Main Street #2500 Houston TX 77002 Black Family Partnership Address Redacted Black Hawk Energy Services Ltd 8510 Oil Avenue Williston ND 58801 Black Hawk Energy Services Ltd Attn: Mike Davis 5265 Ronald Reagan Blvd Ste 100 Johnstown CO 80534-6513 Black Hawk Energy Services Ltd PO Box 204760 Dallas TX 75320-4760 Black Hawk Royalty Iv LP 7045 N Hwy 81 Duncan OK 73533 Black Hawk Royalty LP 7045 N Hwy 81 Duncan OK 73533 Black Hills Exploration And Production Inc 1515 Arapahoe St Tower 1 - Ste 1200 Denver CO 80202 Black Hills Exploration And Production Inc 1515 Arapahoe St Tower 1 - Ste 1200 Denver CO 80202 Black Hills Trucking Inc PO Drawer 2360 Casper WY 82602 Black Island Resources LLP PO Box 1260 Watford City ND 58854 BLACK ISLAND RESOURCES LLP PO BOX 1260 Watford City ND 58854 Black Knife Minerals LLC 4555 Mill Creek Rd Dallas TX 75244 Black Magic #1 LLC 1720 S Bellaire Street Suite 1209 Denver CO 80222 Black Mountain Resources LLC 9459 15th Ave Nw Westhope ND 58793 Black Ridge Holding Company LLC 110 North 5Th St Ste 410 Minneapolis MN 55403 Black Ridge Oil And Gas Inc 110 N 5Th St Ste 410 Minneapolis MN 55403-1632 Black River Energy LLC PO Box 1615 Bismarck ND 58502-1615 Black Rock, Inc. 55 East New York NY 10055 Black Stone Energy Co LLC 1001 Fannin Street Suite 2020 Houston TX 77002 BLACK STONE ENERGY CO LLC 1001 FANNIN STREET SUITE 2020 Houston TX 77002 BLACK STONE ENERGY COMPANY, LLC 1001 FANNIN STREET SUITE 2020 Houston TX 77002 Black Stone Minerals Co LP 1001 Fannin Suite 2020 Houston TX 77002 Black Stone Minerals Co LP 1001 Fannin, Suite 2020 Houston TX 77002 Black Stone Minerals Co Lp PO Box 301267 Dallas TX 75303-1267 BLACK STONE MINERALS CO LP 1001 FANNIN SUITE 2020 Houston TX 77002 BLACK STONE MINERALS COMPANY, LP 1001 FANNIN SUITE 2020 Houston TX 77002 Black Type LP PO Box 22066 Denver CO 80222 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 52 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 55 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country BLACKBEND OIL & GAS LLC 1200 SMITH ST STE 1930 Houston TX 77002-4322 Blackbend Oil & Gas LLC 1200 SMITH ST STE 1950 Houston TX 77002-4322 Blackbird Co. Resources & Jerry Chamber 7800 East Union Ave. #1100 Denver CO 80237 Blackburn Manufacturing Company Po Box 86 Neligh NE 68756 Blackduck Power Equipment Inc 1499 Anne Street Nw Bemidji MN 56601 Blackeagle Energy Services 230 Commerce Drive Berthoud CO 80513 Blackgold Capital LLC 4825 Hickock Trail Rapid City SD 57702 Blackhawk Equipment Corp 5295 Vivian St Arvada CO 80002 Blackhawk Minerals LLC PO Box 30865 Palm Beach Gardens FL 33420 Blackhawk Oil & Gas Corp Address Redacted Blackland Petroleum LLC C/O Prima Exploration 250 Fillmore St Unit 500 Denver CO 80206-5012 Blackout Energy Services Inc PO Box 485 Vernal UT 84078 Blackriver Holdings LLC Attn: William Brinkerhoff 8001 S Interport Blvd Ste 260 Englewood CO 80112 Blackriver LLC 8001 S Interport Blvd #260 Englewood CO 80112 Blackriver Mineral Group LLC 8001 South Interport Blvd Ste 260 Englewood CO 80112 Blackriver Niobrara Prtns LLC 8001 S Interport Blvd # 260 Englewood CO 80112 Blackstream Caledonian Royalty Partners 1, LLC 72 Deer Path Dahlonega GA 30533 Blackstream Energy LLC 1313 Campbell Road Building D Houston TX 77055 BLACKSTREAM ENERGY LLC 1313 CAMPBELL ROAD BUILDING D Houston TX 77055 Blacktrail Environmental Inc 1112 Southport Loop Bismarck ND 58504-7055 Blaine Bjella Address Redacted Blaine Bugaski Address Redacted Blaine F Engelstad Address Redacted Blaine Jensen Address Redacted Blaine Northrop Address Redacted Blaine R Keel Joint Tenant Life Estate Address Redacted Blaine Virgil Karst Address Redacted Blair Lindsey Address Redacted Blair Oil Trust C/O Heritage Trust Agent Address Redacted Blair Tharp Address Redacted Blairbax Energy LLC 815-A Brazos Street #491 Austin TX 78701 Blaisdell Rodeo Club 6165 66th Ave Nw Berthold ND 58718 BLAISE ENERGY INC PO BOX 100 Turtle Lake ND 58575 BLAISE ENERGY INC-4822 PO BOX 100 Turtle Lake ND 58575 Blake Chance Address Redacted Blake F Johnson Address Redacted Blake Hart Address Redacted Blake Oil & Gas Corporation 400 N Main Midland TX 79701 BLAKE OIL & GAS CORPORATION 400 N MAIN Midland TX 79701 Blake R Smith Address Redacted Blake Stevenson Address Redacted Blake-Berry-Blake Corporation PO Box 11176 Midland TX 79702 Blakeman Propane Inc 4111 N Hwy 14-16 Gillette WY 82716 Blanca & Frank Barberio Ltd 4731 Ellensburg Drive Dallas TX 75244 Blanche Braun Address Redacted Blanche R Mccandless And Geraldine F Mccandless Jt Address Redacted Blanche Ridl Mack Address Redacted Blanche Ruth Johnson Address Redacted D Trust Thomas Francis Whited Trustee Julia Diane Whited Trustee Address Redacted Blandin, Samuel Address Redacted Blandine Damaskin Address Redacted Blanton, Cindi Address Redacted Blasco LLC 6235 Savannah Way Colorado Springs CO 80919

Blasi Living Trust David A Blasi & Paula J Blasi Trustees Address Redacted Blasi Trust Dtd 3-22-18 Roger D & Cathy A Blasi - Tr Address Redacted Blenda Geiszler Address Redacted Blessing Willesden Address Redacted Blevens, Jeremy Address Redacted Bling Resources LLC 417 7th Ave West Dickinson ND 58601 BLING RESOURCES LLC 417 7TH AVE W Dickinson ND 58601 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 53 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 56 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country BLING RESOURCES LLC 417 7TH AVE WEST Dickinson ND 58601 BLITZ ENERGY SERVICES, LLC C/O Registered Agents, Inc. 3003 32nd Avenue S. # 240 Fargo ND 58108 Blm Royal Gorge Field Office Division Of Minerals 3028 East Main Street Canon City CO 81212 Bloco Inc PO Box 1476 Bismarck ND 58501 BLOOMBERG 1801 SOUTH BELL STREET Arlington VA 22202 Bloomberg Bna Book Division Po Box 17009 Baltimore MD 21297-1009 Bloomberg Lp 731 Lexington Ave New York NY 10022 BLOOMBERG LP PO BOX 30244 Hartford CT 06150 Bloomberg Lp PO Box 416604 Boston MA 02241-6604 Blue Chip Royalty Partnership PO Box 587 Marlow OK 73055 Blue Hawk Touchdown Club PO Box 286 Dickinson ND 58601 Blue Horseshoe Investments LLC 2179 7Th St W Dickinson ND 58601-2588 Blue Lightening And Black Crystal LLC C/O Gay Lee Guckenburg 355 W Mesquite Blvd D211 Mesquite NV 89027 Blue Lightning 414 Main Street Po Box 690 Wiggins CO 80654-0206 Blue Lightning Po Box 206 Wiggins CO 80654-0206 BLUE LIGHTNING PO BOX 206 Wiggins CO 80654-0206 BLUE LIGHTNING PO BOX 206 Wiggins CO 80654 Blue Marble Geographics 22 Carriage Lane Hallowell ME 04347 Carrera 15 # 127B 33 Apt 704 Blue Marlin Group LTD Attn: Simon Beetar Betancourt Barrio la Carolina Bogota Colombia Blue Marlin Group LTD Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Blue Mountain Research & Development LLC 14075 Saddlebow Drive Reno NV 89511 Blue Ridge Energy LLC PO Box 26567 Phoenix AZ 85068 BLUE RIDGE ENERGY LLC PO BOX 26567 Phoenix AZ 85068 Blue Rock Products Company 501 9th Ave Ne Sidney MT 59270 Blue Rock Products Company PO Box 1708 Sidney MT 59270 Blue Sky Energy Reserves LLC PO Box 3155 Bismarck ND 58502 Blue Sky Properties LLC PO Box 85 Dickinson ND 58602 BLUE SKY PROPERTIES LLC PO BOX 85 Dickinson ND 58602 Blue Spruce Minerals LLC PO Box 6622 Denver CO 80206 Blue Star Gas Corp PO Box 720894 Norman OK 73070 Bluefin Partners LLC 1912 1st St W Dickinson ND 58601 BLUEFIN PARTNERS LLC 1912 1ST ST W Dickinson ND 58601 Blueprint Energy Partners LLC 2425 Colman Circle Casper WY 82601 Bluestem Petroleum LLC PO Box 478 Strawn TX 76475 Bluetick Inc PO Box 121 Madison MS 39130 For Threadmasters Precision Bluevine Capital Inc Machining Llc Po Box 856620 Minneapolis MN 55485-6620 Blu-Sphere Systems Inc 120 East Fm 544 Ste 72-212 Murphy TX 75094

Bm Marcus Royalty LLC C/O Midwestone Bank PO Box 1700 Trust Services Iowa City IA 52244 Bmig LLC PO Box 1128 Huffman TX 77336 Bmk Family Property Trust Jesse Young Suc Trustee Address Redacted Bmo Capital Markets Corp. Corporate Actions 250 Yonge St. 8th Floor Toronto ON M5b 2m8 Canada Bmo Capital Markets Corp. Ronald Figueras 3 Second St. 12th Floor Harborside Plaza 10 Jersey City NJ 07302 Bmo Capital Markets Corp./Paloma John Finerty 3 New York NY 10036 Bmo Harris Bank Na/Trust Issuer Services 51 Mercedes Way Edgewood NY 11717 Louise Torangeau; Phuthorn 1 First Canadian Place, 13th Bmo Nesbitt Burns Inc./CDS** Corporate Actions Penikett Fl Po Box 150 Toronto ON M5x 1h3 Canada Bmo Nesbitt Burns Inc./CDS** Corporate Actions Phuthorn Penikett 250 Yonge Street 14th Floor Toronto ON M5b 2m8 Canada Bmo Nesbitt Burns Inc./CDS** Louise Torangeau 1 First Canadian Place 13th Fl P. O. Box 150 Toronto ON M5x 1h3 Canada Bmt O&G Tx LP Dv O7G Partners LP PO Box 916107 Fort Worth TX 76191-6107 Bmw Holdings Inc 4535 Biltmoore Drive Frisco TX 75034 Bng Living Trust 6243 South Blackhawk Court Centennial CO 80111 BNN 370 VAN GORDON ST Lakewood CO 80228 BNN NORTH DAKOTA 370 VAN GORDON ST Lakewood CO 80228 Bnn North Dakota LLC 370 Van Gordon St Lakewood CO 80228 BNN NORTH DAKOTA LLC (ACQUIRED BUCKHORN SWD SOLUTIONS AND BUCKHORN ENERGY SERVICES IN FEB 2018) 370 VAN GORDON ST Lakewood CO 80228 BNN North Dakota, LLC Attn: Zach Rider 4200 W 115th Street Suite 350 Leawood KS 66211 BNN North Dakota, LLC c/o Sidley Austin LLP Attn David E. Kronenberg 1501 K Street, N.W. Washington DC 20005 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 54 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 57 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bnn Redtail LLC 370 Van Gordon Street Lakewood CO 80228 BNN REDTAIL LLC (SUBSIDIARY BNN WESTERN, LLC) 370 VAN GORDON STREET Lakewood CO 80228 BNN REDTAIL LLC-5561 370 VAN GORDON STREET Lakewood CO 80228 BNN REDTAIL, LLC 370 VAN GORDON STREET Lakewood CO 80228 BNN Redtail, LLC Attn: Mark Ritchie 370 Van Gordon St Lakewood CO 80228 BNN WESTERN, LLC 370 VAN GORDON STREET ATTN: JEFF NELSON Lakewood CO 80228 BNN WESTERN, LLC 370 VAN GORDON STREET ATTN: JEFF NELSON Lakewood CO 80228 Bnn Western, LLC Attn: Adam Schiche 370 Van Gordon Street Lakewood CO 80228 Bnn Western, LLC Attn: Jeff Nelson 370 Van Gordon Street Lakewood CO 80228 BNN Western, LLC Attn: Matt Sheehy 370 Van Gordon Street Lakewood CO 80228 BNN Western, LLC Attn: Zach Rider 4200 W 115th Street Suite 350 Leawood KS 66211 BNN Western, LLC c/o Sidley Austin LLP Attn: David E. Kronenberg 1501 K Street, N.W. Washington DC 20005 BNN Western, LLC c/o Sidley Austin LLP Attn: David Kronenberg, Esq. 1501 K Street, N.W. Suite 600 Washington DC 20005

BNN Western, LLC, BNN North Dakota, LLC, Tallgrass Attn: Robert S. Velevis & Jeri Leigh Midstream, LLC, and Trailblazer Pipeline LLC c/o Sidley Austin LLP Miller 2021 McKinney Ave Suite 2000 Dallas TX 75201 BNN Western, LLC, BNN North Dakota, LLC, Tallgrass Midstream, LLC, Trailblazer Pipeline Company LLC, Buckhorn SWD Solutions, LLC and Buckhorn Energy Services, LLC c/o Sidley Austin LLP Attn: Hannah Rozow Owolabi 1000 Louisiana St. Suite 5900 Houston TX 77002 Bnp Paribas Prime Brokerage, Inc. Ronald Persaud 525 Washington Blvd 9th Floor Jersey City NJ 07310 Bnp Paribas Securities Corp./Prime B Ronald Persaud 525 Washington Blvd 9th Floor Jersey City NJ 07310 Bnp Paribas, New York Branch/Bnp Par Ronald Persaud 525 Washington Blvd 9th Floor Jersey City NJ 07310 Bnp Paribas, New York Branch/Bnp Paribas Prime Brokerage Custodian Ronald Persaud 525 Washington Blvd 9th Floor Jersey City NJ 07310 Bnp Paribas, New York Branch/Custody/Clientassets Russell Yap Corporate Actions 525 Washington Blvd 9th Floor Jersey City NJ 07310 Bnsf Logistics LLC 75 Remittance Dr Suite 1767 Chicago IL 60675-1767 Bnsf Railway Co PO Box 676167 Dallas TX 75267-6167 Bnsf Railway Co PO Box 676160 Dallas TX 75267-6160 BNSF RAILWAY CO PO BOX 676167 Dallas TX 75267-6167 Bnsf Railway Company Bnsf Permit Department Jones Lang Lasalle Brokerage 4200 Buckingham Ste 110 Fort Worth TX 76155 Bny Mellon Wealth Management Corporate Actions Kevin Kelly One Wall Street New York NY 10005 TWO BNY MELLON BNY MELLON WEALTH MANAGEMENT OPERATIONS DEPT BETH COYLE CENTER SUITE 1215 Pittsburgh PA 15222 BNYMELLON/CACEIS BANK LUXEMBOURG CORP ACTIONS 525 WILLIAM PENN PLACE Pittsburgh PA 15259 401 SOUTH SALINA BNYMELLON/CACEIS BANK LUXEMBOURG MITCHEL SOBEL CORPORATE ACTIONS STREET 2ND FLOOR Syracuse NY 13202 BNYMELLON/DEDICATED PARTICIPANT #44 CORP ACTIONS 401 SOUTH SALINA STREET 2ND FLOOR Syracuse NY 13202

BNYMELLON/NATIXIS FIXED INCOME MICHAEL KANIA VICE PRESIDENT 525 WILLIAM PENN PLACE Pittsburgh PA 15259 Bnymellon/Re Charles Stanley And Com Michael Kania Vice President 525 William Penn Place Pittsburgh PA 15259 Bnymellon/Re Etf - Uit Dtc/Nscc 0963 Jennifer May Vice President 525 William Penn Place Pittsburgh PA 15259

BNYMELLON/RE MIDCAP SPDRS JENNIFER MAY ASSISTANT VICE PRESIDENT 525 WILLIAM PENN PLACE Pittsburgh PA 15259 Bnymellon/Re Midcap Spdrs Jennifer May Vice President 525 William Penn Place Pittsburgh PA 15259 Bnymellon/Re The Prudential Investme Michael Kania Vice President 525 William Penn Place Pittsburgh PA 15259 Bnymellon/Wealth Management Kevin Kelly Corporate Actions One Mellon Bank Center 4th Floor- 151-0440 Pittsburgh PA 15258

BNYMELLON/WEALTH MANAGEMENT MICHAEL KANIA CORP ACTIONS 525 WILLIAM PENN PLACE SUITE 1215 Pittsburgh PA 15259 Bnymellon/Winterflood Securities LTD Michael Kania 525 William Penn Place Rm 0400 Pittsburgh PA 15259 Bo A Palczewski Address Redacted Bo War LP Arthur J Warren President PO Box 320188 Jackson MS 39232-0188 Boardvantage Inc - Boardvantage Lbx 70700 Po Box 780700 Philadelphia PA 19178-0700 BOARDVANTAGE, INC. 4300 BOHANNON DRIVE SUITE 110 Menlo Park CA 94025 Bob A Prukop Address Redacted Bob Seber Address Redacted Bobbi Pierce Lemon Address Redacted Bobbie J King Address Redacted Bobbie L Wood Address Redacted Bobby Ernest Baird Address Redacted Bobby Hicks Address Redacted Bobby M Gleason Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 55 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 58 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bobby Powell Address Redacted Bobby Powell Construction Inc 3100 South Mcgregor Road Coahoma TX 79511 BOBBY POWELL CONSTRUCTION INC. 3100 SOUTH MCGREGOR ROAD Coahoma TX 79511 Bobby Powell Trust Address Redacted Bobby Selby Address Redacted Bobby W Lee Address Redacted Bobby W Lee Jr Address Redacted Bobs Oilfield Service Inc Box 706 Belfield ND 58622 Bodhi Holdings Inc 1746-F South Victoria #382 Ventura CA 93003-6549 Bodhi Holdings Inc c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Bodhi Holdings Inc Petter Romming 1746-F South Victoria #382 Ventura CA 93003-6549 BOEDECKER RESOURCES C/O RUTH BOEDECKER PO BOX 1007 Lewistown MT 59457 BOEDECKER RESOURCES C/O RUTH BOEDECKER PO BOX 1007 Lewistown MT 59457 Boedecker Resources C/O Ruth Boedecker PO Box 1007 Lewistown MT 59457 BOEDECKER RESOURCES, C/O RUTH BOEDECKER C/O RUTH BOEDECKER PO BOX 1007 Lewistown MT 59457 Boer Mineral Holdings LLC 718 Sibley Drive Northfield MN 55057 Boersma, Jennifer Address Redacted Boespflug Trailers & Feed Inc 1300 E Villard Dickinson ND 58601-6415 Boespflug, Mark Address Redacted BOH INC-3544 29227 NETWORK PLACE Chicago IL 60673-1292 Boh Midstream 29227 Network Place Chicago IL 60673-1292 Bohden Makurak & Maria Makurak, Joint Tenants PO Box 215 Belfield ND 58622 Bohica Land & Cutting Horses LLC Attn Albert G. Metcalfe, III PO Box 218 May TX 76857 Bohn, Colt Address Redacted Boies LLC 1005 Country Road 4 Meeker CO 81641 Bokf Petro Holding LLC 2525 Kell Blvd Ste 510 Wichita Falls TX 76308 BOKF PETRO HOLDING LLC 2525 KELL BLVD STE 510 Wichita Falls TX 76308 BOKF,NA Legal Department 1 One Williams CTR Tulsa OK 74172-0140 Bolak Inc PO Box 2741 Muskogee OK 74402-2741 Boldrick Family Properties LP PO Box 10648 Midland TX 79702 Bole Resources LLC PO Box 1116 Williston ND 58801 Boley B Embrey Address Redacted Bollen, Lyn Address Redacted Boller4Barons LLC PO Box 157 Keyport WA 98345-0157 Bomont Enterprises LLC PO Box 20065 Billings MT 59104 Bonalyn Alspach 18203 Wooster Rd Howard OH 43028 Bonanza Royalties LLC 384 Tesconi Court Santa Rosa CA 95401 Bonanza Trust Dtd Oct 1, 1996 Natalie M Cummings, Trustee Address Redacted Bonanza Trust I Dtd 10-1-96 Laramie T Cummings - Tr Address Redacted Bond & Maier Enterprises LLP PO Box 1364 Jamestown ND 58402 Bond Estate Properties Bond Operating Co Agent 325 N St Paul Ste 2520 Dallas TX 75201-3853 Bond Operating Co 325 N St Paul Ste 2520 Dallas TX 75201-3853 Bond-Coat Inc PO Box 60122 Midland TX 79711-0122 Bondero LLC 3 Monroe Pkwy Ste P-132 Lake Oswego OR 97035 Bonita K Hansen Address Redacted Bonita Louise Njos Ralph Address Redacted Bonita Mack & Dean Mack Jtwros Address Redacted Bonita Mae Kostelecky Address Redacted Bonita Northrop Address Redacted Bonita S Gibb Address Redacted Bonne Dutton Address Redacted Bonneprise Family Revocable Living Trust Address Redacted Bonnie A Hanson Address Redacted Bonnie A Hanson Le Address Redacted Bonnie A Johnson Address Redacted Bonnie Alyssa Jamison Powers Address Redacted Bonnie B Brown Address Redacted Bonnie B Erickson Address Redacted Bonnie B. Stewart Address Redacted Bonnie Benson Address Redacted Bonnie Billadeau Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 56 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 59 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bonnie Bjella Estate Address Redacted Bonnie Cruz Address Redacted Bonnie Dahl Address Redacted Bonnie E Mack Address Redacted Bonnie Etzler Address Redacted Bonnie Gabel Address Redacted Bonnie Graham Shelby Address Redacted Bonnie Guenther Address Redacted Bonnie Halphide Jensen Address Redacted Bonnie Hammeren Address Redacted Bonnie Harris Cocchiara Address Redacted Bonnie Heglie Address Redacted Bonnie Helter Address Redacted Bonnie Hochhalter Address Redacted Bonnie J & Gene A Meldahl And To Survivor Of Either Address Redacted Bonnie J Bennett Address Redacted Bonnie J Cain Address Redacted Bonnie J Delzer Address Redacted Bonnie J Kasper Address Redacted Bonnie J Lavik Address Redacted Bonnie J Neu Address Redacted Bonnie J Neu Trust Bonnie J Neu Trustee Address Redacted Bonnie J Scott & Edwin M Scott Joint Tenants Address Redacted Bonnie Jacobson Address Redacted Bonnie Jo Klein Address Redacted Bonnie Jo Klein, dba Can Am Properties Address Redacted BONNIE JO LARSON Address Redacted Bonnie K Bader Address Redacted Bonnie K Schriock Address Redacted Bonnie L Buckman Address Redacted Bonnie L Cohen Address Redacted Bonnie L Heiser (Joint Tenant) Address Redacted Bonnie L Moore Address Redacted Bonnie L Schwend Address Redacted Bonnie L Vanek Address Redacted Bonnie Lackey Address Redacted Bonnie Lee Jones Address Redacted Bonnie M Easterly Address Redacted Bonnie M Evans Address Redacted Bonnie M Lucido Address Redacted Bonnie M Woodworth Address Redacted Bonnie Mae Easterly & Kenneth Eugene Easterly Jt Address Redacted Bonnie Maluski Address Redacted Bonnie Mclemore Address Redacted Bonnie Odermann Address Redacted Bonnie Pate Address Redacted Bonnie Phillips Gearhart Address Redacted Bonnie R Hubanks Address Redacted Bonnie R Torrance Declaration Of Trust Dtd 8/ Address Redacted Bonnie Reak Address Redacted Bonnie Schirmer Address Redacted Bonnie Smith Le Address Redacted Bonnie Terese Dowhaniuk Address Redacted Bonnie Vrooman Address Redacted Bonnie W Simmons Address Redacted Bonnie Wells Address Redacted Bonny Engemoen Ford Address Redacted Bonny Gay Van Sweden Thomas J Vansweden & Gayle Sue Trout - Poa Address Redacted Bonny Mae Poitras Address Redacted BOOGIE LAND COMPANY PO BOX 171 Kaycee WY 82639

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 57 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 60 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 201 WEST MAIN STREET, SUITE BOONE KARLBERG P.C. CENTRAL SQUARE BUILDING 300 Missoula MT 59802 Boone Karlberg Pc 201 West Main Ste 300 Missoula MT 59807-9199 Boot Barn Inc 15345 Barranca Pkwy Irvine CA 92618 Boot Creek Royalty Ltd PO Box 3509 Midland TX 79702 Boot Hill Development LLC PO Drawer 369 Stillwater OK 74076 Boots Smith Completion Services Llc Po Box 1987 Laurel MS 39441 Border States Industries Inc PO Box 911105 Denver CO 80291-1105 Borgoil Resources LLP 3001 134th Ave Nw Arnegard ND 58835-9105 BORGOIL RESOURCES LLP 3001 134TH AVE NW Arnegard ND 58835-9105 Borrud Family Properties LLC 9039 Sligo Creek Pkwy Unit 1707 Silver Spring MD 20901 Borseth Family Tr Dtd 03-14-12 Max & Ellen Borseth Trustees Address Redacted Borsheim Crane Service LLC PO Box 1344 Williston ND 58802 Borstad Family Mineral Trust U/A Date 10/15/13 C/O Bokf Na Agent Address Redacted Borud, Rosanna Address Redacted BOS ROUSTABOUT & BACKHOE SERVICE INC. Address Redacted Bos Solutions Inc Dept 3096 Po Box 123096 Dallas TX 75312-3096 10343 Sam Houston Park Dr Ste BOS Solutions, Inc 120 Houston TX 77064-4656 BOS Solutions, LLC Samaad Baker 10343 Sam Houston Park Drive Houston TX 77064 BOS Solutions, LLC Samaad Baker P.O. Box 123096 Dallas TX 75312-3096 Bosanko Family LLP C/O Michael D Bosanko Managing Partner 56 Balboa Dr Latham NY 12110 Boschee, Wyatt Address Redacted Bosque Disposal Systems LLC PO Box 614 Meridian TX 76665 Boss Office And Computer Products 124 N Central Sidney MT 59270 Boteler-Wood Properties LLC Perri B Wood - Manager 3910 Emerald Falls Dr Houston TX 77059-3733 Bouassi, Bashir Address Redacted Boulders Royalty Corp PO Box 12208 Dallas TX 75225 Bountifull LP C/O Eddye Dreyer Financial Services LLC 4925 Greenville Ave Ste 900 Dallas TX 75206 Bowbells Post Prom Committee Address Redacted Bowden Welding And Fabrication PO Box 1495 Vernal UT 84078 Bowen Family Living Trst Wilma B Bowen Trustee Wilma B Bowen Trustee 897 West 1680 North Clinton UT 84015 Bowen, Dustin Address Redacted Boxer Oil & Gas LLC 4516 Lovers Lane Ste 145 Dallas TX 75225 Boy Scouts Of America Marin Council 225 West End Ave San Rafael CA 94901 Boy Scouts Of America Southern Region Trust Fund 1325 West Walnut Hill Lane Irving TX 75015-2079 Boyce Dean Baker Address Redacted Boyce N. Pearson Address Redacted Boyce, Matthew Address Redacted BOYD & MCWILLIAMS Address Redacted BOYD & MCWILLIAMS OPERATING 500 W TEXAS STE 310 Midland TX 79701 Boyd & Mcwilliams Operating Address Redacted Boyd Laughlin Estate Address Redacted Boyd Matteson Estate Address Redacted Boyd Pepper And Janette Laverne Pepper, J/T Life Estate Address Redacted Boys & Girls Club Of Metro Denver 2017 W 9th Avenue Denver CO 80204 Boys & Girls Club Of Richland County Po Box 416 Sidney MT 59270 Boys & Girls Club Of Richland County PO Box 416 Sidney MT 59270 Boys & Girls Clubs Of America National Headquarters Attn Cfo 1275 Peachtree St Ne Atlanta GA 30309-3506 Bp America Production Company PO Box 277897 Atlanta GA 30384 BP AMERICA PRODUCTION COMPANY C/O CT CORPORATION SYSTEM 5615 CORPORATE BLVD. SUITE 400B Baton Rouge LA 70808 BP America Production Company c/o Liskow and Lewis 1001 Fannin Street Suite 1800 Houston TX 77002 BP AMERICA PRODUCTION COMPANY PO BOX 277897 Atlanta GA 30384 BP ENERGY COMPANY 201 HELIOS PLAZA Houston TX 77079 Bp Energy Company 201 Helios Way Attn: Sara Coghlan Houston TX 77079 BP ENERGY COMPANY P.O. BOX 3092 Houston TX 77253 Bp Energy Company PO Box 3092 Attn: Contract Services Houston TX 77253-3092 B-P Supply Inc PO Box 976 Andrews TX 79714 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 58 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 61 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bpi Direct PO Box 4697 North Fort Myers FL 33918 BPI-BOH 2520 HIGHWAY 35, SUITE 2 Manasquan NJ 08736-1900 Bpj Inc C/O Bart Jones 311 Lakewood Dr Kerrville TX 78028 Bpl Electrical Services LLC Rt 2 Box 57 Turpin OK 73950 BPS SUPPLY GROUP 3301 Zachary ave Shafter CA 93263 BPS Supply Group PO BOX 842876 Dallas TX 75284-842876 Br Royalty LLC 1999 Broadway Ste 4320 Denver CO 80202 Braatelien Family Trust LLC Elizabeth Braatelien 1904 N Monroe Street Little Rock AR 72207 Braaten Family Mineral Trust Richard Braaten Trustee Address Redacted Braaten Plumbing Inc 5237C 134th Ave Northwest Williston ND 58801 BRACEWELL & GIULIANI LLP 2000 K STREET, N.W. STE. 500 Washington DC 20006-1872 Bracewell & Giuliani LLP Attn: Tom Adkins 111 Congress Avenue Suite 2300 Austin TX 78701 Braconier Plumbing & Heating Co Inc Po Box 1208 Englewood CO 80150-1208 Brad A Grosulak Address Redacted BRAD CONSULTING 465 WEST 4000 SOUTH Vernal UT 84078 BRAD Consulting Attn: BJ Honeycutt 465 West 4000 South Vernal UT 84078 Brad Evans Address Redacted Brad Gjermundson Address Redacted Brad Goebel Address Redacted BRAD HOLLY Address Redacted Brad Krenz Address Redacted Brad Lowry Address Redacted Brad Nelson Address Redacted Brad Robinson Address Redacted Brad Selvin Address Redacted Bradford Allegheny Bakken I LP 500 Seneca Street Suite 503 Buffalo NY 14204 BRADFORD ALLEGHENY BAKKEN I LP 500 SENECA STREET SUITE 503 Buffalo NY 14204 Bradford Drilling Associates XxxII LP C/O Bradford Exploration 500 Seneca Street Buffalo NY 14204 Bradford Energy Capital LLC 500 Seneca St Ste 503 Buffalo NY 14204 BRADFORD ENERGY CAPITAL LLC 500 SENECA ST STE 503 Buffalo NY 14204 Bradford F Wolf Address Redacted Bradford F. Wolf Address Redacted Bradford Putnam Minerals LLC 5305 Village Creek Dr Plano TX 75093-4810 Bradley Arant Boult Cummings Address Redacted Bradley Bartels Address Redacted Bradley C Bergman Address Redacted Bradley C Fay Address Redacted Bradley C Sheridan 1996 Trust Address Redacted Bradley Ceynar Address Redacted Bradley D Feehan Address Redacted Bradley D Mack Address Redacted Bradley Dean Oachs Address Redacted Bradley Dean Ortloff Address Redacted Bradley Dean Price Address Redacted Bradley Iverson Address Redacted Bradley J Franklin Address Redacted Bradley J Holly Address Redacted Bradley J Rykowsky Address Redacted Bradley J Schall Address Redacted Bradley J. Holly Address Redacted Bradley James Lynch Address Redacted Bradley Jay Stephenson Address Redacted Bradley Jon Frazee Address Redacted Bradley Joseph Broussard Address Redacted Bradley Joseph Broussard & Kathy Breaux Broussard Address Redacted Bradley K Nukaya Address Redacted Bradley Lynn Fosse Address Redacted Bradley M Henke Address Redacted BRADLEY NESHEIM Address Redacted Bradley R Brooks Address Redacted Bradley R Shaffer Address Redacted Bradley Rosten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 59 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 62 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bradley S Mitchell Address Redacted Bradley Schmitz Address Redacted Bradley Thomas Address Redacted Bradley W Wagner Address Redacted Bradley Zacher Address Redacted Bradley Zeve 1997 Rev Trust Bradley Zeve Trustee Address Redacted Bradsby Group Address Redacted Brady P Shoemaker Tr Dtd 43110 Frank Waggoner Trustee Address Redacted Brady R Kuhn Address Redacted Brady Vandeberg Address Redacted Braeden Van Way Address Redacted Brafford, Matthew Address Redacted Bragg, Charles Address Redacted Brainerd Overrides LLC 103 5th St Se Dickinson ND 58601 BRAINSTORM PO BOX 495 Orem UT 84059 Brainstorm Inc PO Box 495 Orem UT 84059

Branch Banking And Trust Company Corp Actions 200 S. College St, 8th Floor Charlotte NC 28202 Branch Banking And Trust Company Tanji Bass Team Leader 223 W. Nash Street 3rd Floor Wilson NC 27893 Brand Source Appliance Repair 321 W 84th Ave Thornton CO 80260 Brand X Hydrovac Services Inc PO Box 1199 Silt CO 81652 Brandi Gard Address Redacted Brandon Ford Address Redacted Brandon J Baye Address Redacted Brandon J Obrien Sherri O'Brien, A-I-F Address Redacted Brandon Lerbakken Address Redacted

Brandon P Mcdaniel Ttee Brandon P Mcdaniel Fam Liv Tr Address Redacted Brandon Redetzke Address Redacted Brandon Rod Address Redacted Brandon Schmidt Address Redacted Brandt, Spencer Address Redacted Branning, Jan Address Redacted Brant Ben Laird Address Redacted Brant Herrett Address Redacted Brantten Rhodes Address Redacted Bras For A Cause PO Box 315 Williston ND 58802 Braun Distributing 153 26th Street West Dickinson ND 58601 Braun Family Mineral Trust Dtd 2-15-19 - Yvonne R & Terry N Braun - Co-Trustees Address Redacted Braun Intertec Corporation Jody Verbeke NW 7644 PO Box 1450 Minneapolis MN 55485 Braun Intertec Corporation Nw 7644 PO Box 1450 Minneapolis MN 55485-7644 Braun Trucking Inc Box 1033 Tioga ND 58852 Brave The Shave 1950 Far West Dr Bismarck ND 58504 Brazoria County PO Box 1586 Lake Jackson TX 77566 Brazoria County Tax Office 111 E Locust Angleton TX 77515-4682 c/o Perdue, Brandon, Fielder, Collins & 1235 North Loop West Suite Brazoria County Tax Office Mott, L.L.P. Attn: Michael J. Darlow 600 Houston TX 77008 c/o Perdue, Brandon, Fielder, Collins & Brazoria County Tax Office Mott, LLP Attn: Owen M. Sonik 1235 North Loop West Suite 600 Houston TX 77008 Brazoria County, TX Treasurer 111 E. Locust Angleton TX 77515 Brazos Limited Partnership Ltd PO Box 911 Breckenridge TX 76424-0911 Brazos Minerals II LLC PO Box 17418 Fort Worth TX 76012 Brd Royalty Holdings LLC 2777 N Stemmons Fwy Ste 1133 Dallas TX 75207 Breana K Pittman Address Redacted Breana Pittman Address Redacted BRECKENRIDGE EXPLORATION 789 PO BOX Breckenridge TX 76424 Breene Associates PO Box 1773 Bismarck ND 58502 Brehm Investment Group Inc PO Box 648 Mount Vernon IL 62864 BREITBURN OPERATING L.P 600 TRAVIS STREET, STE 4800 Houston, TX 77002 BREITBURN OPERATING L.P. ATTN: GREG BROWN 515 SOUTH FLOWER STREET SUITE 4800 Los Angeles CA 90071 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 60 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 63 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Breitburn Operating Lp 1401 Mckinney St Ste 2400 Houston TX 77010-4040 Breitburn Operating Lp PO Box 204662 Dallas TX 75320-4662 Breitenbach, William Address Redacted Breitling, Joel Address Redacted Brekke Storage Address Redacted Brenda A Mosgrove Address Redacted Brenda B Parks Address Redacted Brenda Barber Address Redacted Brenda C Freeburn Address Redacted Brenda C Mcintyre Address Redacted Brenda Claire Houchen Address Redacted Brenda Dorman Faught Address Redacted Brenda E Holman Address Redacted Brenda E Vieyra Address Redacted Brenda G & Bryan J Beyer Jtwros Address Redacted Brenda G Hughes Address Redacted Brenda Hart Address Redacted Brenda J Luna Address Redacted Brenda J Mckean Address Redacted Brenda J Williams Address Redacted Brenda Joyce Wiley Address Redacted Brenda K Berger Address Redacted Brenda K Zoanni Address Redacted Brenda Kay Johnson Address Redacted Brenda Kiamas Address Redacted Brenda Kralicek Address Redacted Brenda L Fraley Address Redacted Brenda L Grubb Address Redacted Brenda L Larmer Address Redacted Brenda Larsen And Jay Larsen Joint Tenants Address Redacted Brenda Nielsen Address Redacted Brenda P. Fernandez Dick Address Redacted Brenda Piana Address Redacted Brenda Poundstone Address Redacted Brenda R Boos Address Redacted Brenda R Bruins Trust C/O First Internation Bank -Tr Address Redacted Brenda S Shoemaker Address Redacted Brenda Schumacher Address Redacted Brenda Scissons Address Redacted Brenda Seber Address Redacted Brenda Stieg Address Redacted Brenda Sue Moran Address Redacted Brenda T Davis Address Redacted Brenda Westaby Address Redacted Brenda Yeates Address Redacted Brendall Energy LLC 8310 S Valley Hwy Ste 350 Englewood CO 80112 BRENDALL ENERGY LLC 8310 S VALLEY HWY STE 350 Englewood CO 80112 Brendan Clark Engen Address Redacted Brendan Clark Engen Trust Paul Douglas Engen Trtee Address Redacted Breniss Leslie Burgher Address Redacted Brenmark LLC C/O Mark Mccallister 5357 S Harlan Way Littleton CO 80123 Brenna Herlson Address Redacted Brenna, Jennifer Address Redacted Brennan Engineering Inc 2901 N Us Hwy 14-16 Gillette WY 82716 Brenntag Pacific Inc File # 2674 Los Angeles CA 90074-2674 Brent A Hansen Address Redacted Brent A Kostelecky Address Redacted Brent A Rambousek Address Redacted Brent Alan Drovdal Address Redacted Brent Anderson Address Redacted Brent Arnegard Address Redacted Brent Baglien Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 61 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 64 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Brent Bjornson Address Redacted Brent Brookhart Address Redacted Brent Clum Address Redacted Brent D Olson Address Redacted Brent D Wilcock Address Redacted Brent E Downing Address Redacted Brent Eugene Fiscus Address Redacted Brent Exploration Inc 518 17Th Street Suite 388 Denver CO 80202 Brent J Morse C/O Morse Energy Exp Co 410 17th St Ste 1150 Denver CO 80202 Brent Kohlman And Linda Kohlman Hw Address Redacted Brent Lee Wilson Address Redacted Brent M & Brooke D Olson Jt Address Redacted BRENT M BIBLER Address Redacted Brent Malmstrom Address Redacted Brent Nelson Address Redacted Brent Nettleton Address Redacted Brent O And Stacy Arnegard Joint Tenants Address Redacted Brent O Arnegard Address Redacted Brent O Hauge & Catherine A Address Redacted Brent O Hauge & Catherine A Hauge Ttees Of The Brent & Catherine Hauge Family Trust Address Redacted Brent Ray Robertson Address Redacted Brent Smith Address Redacted Bret D Summers Address Redacted Bret Huotari Address Redacted Bret Risan Address Redacted Brett Austin Address Redacted Brett Balcer Address Redacted Brett Cook Address Redacted Brett F Williams Address Redacted Brett G Taylor Royalty Trust Address Redacted Brett H Lewis Oil Properties LLC P O Box 8397 Denver CO 80201-8397 Brett Johnson Address Redacted Brett K Bracken Address Redacted Brett L Siddoway Address Redacted Brett Mcnary Address Redacted Brett Pray Address Redacted Brett Seliger Address Redacted Brett Warren Address Redacted Brett Washburn Address Redacted Brettin, Jennie Address Redacted Brewer-Winn Co LLC Attn: Charles Winn 4400 Macarthur Blvd, Ste 950 Newport Beach CA 92660 Bri Consulting Group Inc 1616 S Voss Rd Ste 845 Houston TX 77057 Brian & Erin Johnson, Jts Address Redacted Brian & Pamela Nieuwenhuis Joint Tenants Address Redacted Brian A Arcand Address Redacted Brian A Frank Address Redacted Brian A Pendleton Address Redacted Brian A Urbanec Address Redacted Brian And Lynea Olson Address Redacted Brian And Tresa Volney Address Redacted Brian Baglien Address Redacted Brian Blank C/O Autumn Halaschak Address Redacted Brian C Borer Address Redacted Brian C Howe Trucking LLC 1332 Main S Dickinson ND 58601-8623 Brian Cain Address Redacted BRIAN COLBERT AND KRISTINE CABRAL Address Redacted Brian D Ashburn Address Redacted Brian D Baye Address Redacted Brian D Falk Address Redacted Brian D Hansen Address Redacted Brian D Hoffman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 62 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 65 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Brian D Rodacker Address Redacted Brian David Wallraff Address Redacted Brian Dean Lewis Address Redacted Brian Doan Anderson Address Redacted Brian E Blome Address Redacted Brian E Jensen Address Redacted Brian E Kihneman Address Redacted Brian E Ohl Address Redacted Brian Edward Jensen And Emily Diane Jensen J/T Address Redacted Brian Foss Address Redacted Brian Fruchtman Address Redacted Brian H Davis Address Redacted Brian Haugen & Darby Haugen Address Redacted Brian J Engstrom Address Redacted Brian J Oien Address Redacted Brian Johnson Address Redacted Brian K Frank Address Redacted Brian K Johnson Living Trust Dtd 11-3-2011 Brian Johnson, Trustee Address Redacted Brian Kary Address Redacted Brian Keppen Address Redacted Brian Koch Address Redacted Brian Kriegel C/O Lloyd Kriegel Address Redacted Brian Kudrna & Jill Kudrna Life Estate Address Redacted Brian Kukowski Address Redacted Brian L Alex Address Redacted Brian L Dolyniuk And Naomi Dolyniuk, Jnt Tenants Address Redacted Brian L Olson Address Redacted Brian L Steve Address Redacted Brian Lien Address Redacted Brian Lloyd Carlson Address Redacted Brian Lynn Mckenzie Address Redacted Brian M Lokken Address Redacted Brian Matejcek Address Redacted Brian Mcnary Address Redacted Brian Meidinger Address Redacted Brian Olson Address Redacted Brian P Hagen Address Redacted Brian P Kurth Address Redacted Brian R Bjella Address Redacted Brian Rang Address Redacted Brian Renville Address Redacted Brian S Bieber Address Redacted Brian S Krefting Address Redacted Brian Simonson Address Redacted Brian Smith & Brenda Smith Life Estate Address Redacted Brian Theige Address Redacted Brian W Lee Address Redacted Brian W Niemitalo & Shana L Niemitalo J/T Address Redacted Brian Wangler Address Redacted Brian Westaby Address Redacted Brian Wickham Address Redacted Brian Wittkopp Address Redacted Brian Wurm Address Redacted Brian Zeh Address Redacted Brian Zingleman Address Redacted Briana E Laplume Address Redacted Briana Gray Address Redacted Brianna Donner Address Redacted Brianne L Miller Address Redacted Bric Lee Langford Address Redacted Brice & Associates Cpa Pc 23755 Rcr 15 *313 Phippsburg CO 80469-0313 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 63 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 66 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Brice And Associates PO Box 3627 Tulsa OK 74101-3627 Bridge Minerals LLC PO Box 220 Durango CO 81301 Bridgehampton Township Treasurer 3080 Nicol Road Deckerville MI 48427 BRIDGEPOINT MINERAL ACQUISITION FUND 2 LLC PO BOX 10457 Midland TX 79702 Bridgepoint Mineral Acquisition Fund 2 LLC PO Box 10457 Midland TX 79702 Bridgepoint Mineral Acquisition Fund I LLC PO Box 10461 Midland TX 79702 Bridger Energy LLC 2629 W Main St Ste 150 Littleton CO 80120 Bridger Energy LLC PO Box 51661 Casper WY 82605 BRIDGER PIPELINE 455 N POPLAR ST Casper WY 82601 BRIDGER PIPELINE LLC 455 N POPLAR ST Casper WY 82601 BRIDGER PIPELINE LLC P.O. DRAWER 2360 Casper WY 82602 Bridget Bennett Address Redacted Bridget K Dunn Address Redacted Bridget Mariellen Ward Address Redacted Bridget ONeal Address Redacted Bridget P Hixson & Harvey A Hixson, Life Estate For Joint Lives Address Redacted Bridgid Wall Yeager Address Redacted Brien Kelly Brown Duane & Taffi Brown Guardians Address Redacted Brierley, Richard Address Redacted Brigade Energy Services LLC 20675 Niobrara Blvd La Salle CO 80645-6001 Brigade Energy Services LLC 700 17th St Ste 1550 Denver CO 80202 Briggs, Dane Address Redacted Brigham Construction Inc 5695 139th Ave NW Williston ND 58801-8909 BRIGHAM CONSTRUCTION INC PO BOX 1094 Williston ND 58802-1094 Brigham Oil & Gas LP PO Box 676661 Dallas TX 75267-6661 BRIGHAM OIL & GAS, L.P. ATTN: DAVID T. BRIGHAM 6300 BRIDGE POINT PARKWAY BUILDING 2 - SUITE 500 Austin TX 78730 Bright, Chad Address Redacted Brigitta M Greenwood Estate Steve Smith & Mark Andrews Mikart Address Redacted Brigittas Promise Address Redacted Brigitte Gerda Schwarz Address Redacted Briltz Family Trust Dtd 2-19-04 - Diane L & Briltz - Trustees Address Redacted Brindley, Justin Address Redacted Brinkerhoff, Ashley Address Redacted Brisbin, Robert Address Redacted Brister, Philip Address Redacted Bristol Inc Accounts Receivable Po Box 2056 Victoria TX 77902-9912 Brite Divinity School Tcu Box 297041 Ft Worth TX 76129 Consumer Protection Consumer Protection PO Box 9244 Victoria BC V8W 9J2 Canada British Columbia Employment Standards Branch PO Box 9570 Stn Prov Govt Victoria BC V8W 9K1 Canada British Columbia Ministry Of Environment & Climate Change Strategy Contacts Po Box 9360 Stn Prov Govt Victoria BC V8W 9M2 Canada British Columbia Ministry of Labour Attn: Harry Bains PO Box 9206 Stn Prov Govt Victoria BC V8W 9T5 Canada British Columbia Ministry of the Attorney General Attn: David Eby Parliament Buildings Room 232 Victoria BC V8V 1X4 Canada British Columbia Ministry of the Attorney General Attn: David Eby PO Box 9044 Stn Prov Govt Victoria BC V8W 9E2 Canada British Columbia Occupational Health and Safety Employers Advisers Office Quadra Centre 3960 Quadra Street Suite 400 Victoria BC V8X 4A8 Canada British Columbia Provincial Treasury Attn: Carl Fischer PO Box 9413 Stn Prov Govt Victoria BC V8W 9V1 Canada British Columbia Securities Commission Attn: Brenda Leong Pacific Centre 701 W Georgia Street PO Box 10142 Vancouver BC V7Y 1L2 Canada British Columbia Securities Commission Attn: Brenda M. Long Pacific Centre 701 W Georgia Street PO Box 10142 Vancouver BC V7Y 1L2 Canada Britney Landis Address Redacted Britt, Christopher Address Redacted Brittany Lindensmith Address Redacted Brittany Phillips Trust U/W Audrey Davanay 07/30/00 Shirley Jean Phillips Ttee Address Redacted Britteny L Deegan Hanni J Deegan - Trustee Address Redacted Brittney Ricks Address Redacted Broad Creek Resources LLC 17 Mckays Point Rd Hilton Head SC 29928 BROAD CREEK RESOURCES LLC 17 MCKAYS POINT RD Hilton Head SC 29928 Broadreach Logistics LLC PO Box 3525 Ann Arbor MI 48106-3525 Broadridge Ics PO Box 416423 Boston MA 02241-6423 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 64 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 67 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Broadway Cares Address Redacted Broadway-Huebner Family Trust Dtd 4-21-17 - Douglas W & Gerlinde E Broadway - Trustees Address Redacted Brock Ivers Address Redacted Brock Parker Address Redacted Brody Gene Willis Address Redacted Broken Arrow Royalty Company PO Box 472006 Tulsa OK 74147 Broken Arrow Trust Address Redacted Bronwyn L Malott Address Redacted Brooke B Minkler Address Redacted Brooke Donner Address Redacted Brooke Paulson Life Estate Address Redacted Brookover Enterprises PO Box 917 Garden City KS 67846 Brooks & Gunner, LLC PO Box 1186 Enid OK 73702 Brooks Annala Address Redacted Brooks Butler Address Redacted Brooks Energy Inc 1533 Creekside Dr. W Williston ND 58801 BROOKS ENERGY INC 1533 CREEKSIDE DR. W Williston ND 58801 Brooks Gagstetter Address Redacted Brooks Hornstein 869 Buchser Way San Jose CA 95125 Brooks J Boedecker Address Redacted Brooks, Katherine Address Redacted BROOKSIDE HOLDINGS INC PO BOX 650 Ada MI 49301 Brookside Holdings Inc Attn: Matt Heynen PO Box 650 Ada MI 49301 Brookwood Investors LP 2001 Brookwood Road Mission Hills KS 66208 Broome Holdings San Angelo LLC C/O Dr Karen Turner 134 James Peak Court Livermore CO 80536 Broughton Petroleum Inc PO Box 1389 Sealy TX 77474 BROUGHTON PETROLEUM INC PO BOX 1389 Sealy TX 77474 Brown Brothers Harriman & Co. Jerry Travers 525 Washington Blvd. Jersey City NJ 07310 Brown Brothers Harriman & Co./ETF Corporate Actions 525 Washington Blvd. Jersey City NJ 07310 Brown Brothers Harriman & Co./ETF Jerry Travers 525 Washington Blvd. Jersey City NJ 07310 Brown Drake Royalties C/O Noble Royalties Inc PO Box 660082 Dallas TX 75266-0082 Brown Family Living Trust Richard C Brown, Mary M Brown & Katherine M Brown, Trustees Address Redacted Brown Palace Hotel 321 17th Street Denver CO 80202 Brown, Brent Address Redacted Brown, Heather Address Redacted Brown, Jeffrey Address Redacted Brown, Nathaniel Address Redacted Brownson LLC 408 Saddle Court Grand Junction CO 81507 BROWNSTEIN HYATT FARBER SCHRECK, LLP 410 SEVENTEENTH STREET SUITE 2200 Denver CO 80202-4432 Bruce & Julie Schwartz J/T L/E Address Redacted Bruce & Laura Volney Address Redacted Bruce & Rebekka Higgins Address Redacted Bruce & Sharon Rosten Revoc Living Trust Dtd 10-17-19 Bruce & Sharon Rosten - Tr Address Redacted Bruce & Sharon Rosten, Joint Tenants Address Redacted Bruce A Larsen Address Redacted Bruce A Mccown Address Redacted Bruce A Nettrouer Address Redacted Bruce A Oksol Family Mineral Trust Dtd 1-11-19 Bruce A Oksol - Trustee Address Redacted Bruce A Opsta Address Redacted Bruce A Orton & Victoria A Orton, Trustees Bruce Orton Family Tr 3/10/05 Address Redacted Bruce A Satermo Estate Scott Satermo Per Rep Address Redacted BRUCE ALEXANDER BLAKE HERITAGE Address Redacted Bruce Alexander Blake Heritage Trust Address Redacted Bruce Allen Andriash Address Redacted Bruce And Beverly Conway Address Redacted Bruce C & Carolyn N Adams LLLP 112 Burnetts Rd Bottineau ND 58318 Bruce C Heihn Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 65 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 68 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bruce C Norby Address Redacted Bruce Cabot Address Redacted Bruce Campbell and Darlene Campbell trustee of the Campbell living trust Address Redacted Bruce D Baer & Mary K Baer Address Redacted Bruce D Locke Rev Intervivos Tr Dtd 2/12/85 Address Redacted Bruce D Love Address Redacted Bruce D Love & Laura Love Jt Address Redacted Bruce D Niemitalo & Brenda L Niemitalo J/T Address Redacted Bruce D Weiand Address Redacted Bruce D Weise Address Redacted BRUCE DEBOER Address Redacted Bruce E & Louise Bowe Rev Trst Bruce & Louise Bowe Trustees Address Redacted Bruce E Burr Address Redacted Bruce E Timmreck Address Redacted Bruce Edward White Address Redacted Bruce Erickson Address Redacted Bruce F Evertson Revocable Tr Evertson Fid Mgmt Corp Trtees Address Redacted Bruce Fjelde Address Redacted Bruce Glen Vicha Address Redacted Bruce Graner Address Redacted Bruce H Scott Address Redacted Bruce H Wiese Address Redacted Bruce Helling Address Redacted Bruce Helling Peter Helling Address Redacted Bruce Higgins Address Redacted Bruce Higgins C/O Hennessy Law Office, P.C. Attn: Greg Hennessy 417 1St Ave East Williston ND 58802 Bruce Higgins c/o Vogel Law Firm Attn: Joshua A. Swanson 218 NP Ave PO Box 1389 Fargo ND 58107-1389 Bruce Hill And Marlene Hill Address Redacted Bruce J Hagberg Address Redacted Bruce Jacobs Address Redacted Bruce Jacobson Address Redacted Bruce John Van Dyke Address Redacted Bruce Jonathan Culver Address Redacted Bruce K. Higgins Address Redacted Bruce Kapner Address Redacted Bruce Keith Larson Address Redacted Bruce Kennedy Address Redacted Bruce Knudsen Address Redacted Bruce Lee Dobie Address Redacted Bruce M & Susan K Mcclellan Jt Address Redacted Bruce M Behm Address Redacted Bruce M Herman Address Redacted Bruce Meidinger Address Redacted Bruce N Horton Address Redacted

Bruce O Ley Revocable Living Trust - Bruce Ley - Trustee Address Redacted Bruce P Iverson Address Redacted Bruce Patrick Conlon And Virginia Conlon Co Trustees Of The Conlon Family Trust Address Redacted Bruce R Deboer Address Redacted Bruce R Hagberry Address Redacted Bruce R Kaiser And Roxi S Kaiser As Jt Address Redacted Bruce R Mayer Address Redacted Bruce R Urban Address Redacted Bruce R. Carlson Judith A. Carlson Address Redacted BRUCE R. DEBOER Address Redacted Bruce Seader Address Redacted Bruce Sternberg Address Redacted Bruce Stuber Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 66 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 69 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bruce Swanson Address Redacted Bruce Taton Address Redacted Bruce Tollefson Address Redacted Bruce W Benson And Cheryl T Benson Hw Address Redacted BRUCE W BLAKE Address Redacted Bruce W Bolton Address Redacted Bruce W Ceynar Address Redacted Bruce W Crawford Address Redacted Bruce W Farrell Address Redacted Bruce W Miller Address Redacted Bruce W Needham Address Redacted Bruce W Seiler Address Redacted Bruce W Tomchuk Address Redacted Bruce Waggoner Estate Frank Waggoner Personal Rep Address Redacted Bruce Ware Address Redacted Bruce Watts Address Redacted Brucklacher Family Minerals LLLP 28692 441st Ave Freeman SD 57029 BRUIN E&P 602 SAWYER ST STE 710 Houston TX 77007 Bruin E&P Non-Op Holdings LLC 602 Sawyer St Ste 710 Houston TX 77007 Bruin E&P Operating LLC 602 Sawyer St Ste 710 Houston TX 77007 Bruin E&P Operating, LLC Attn: William Getschow 602 Sawyer Street Suite 710 Houston TX 77007 Bruin E&P Partners LLC 602 Sawyer St Ste 710 Houston TX 77007 Bruin Williston Holdings LLC 602 Sawyer St Suite 710 Houston TX 77007 Bruins Eikren Ii LLC 42154 Grace Elta Rd Henning MN 56551 Bruker Axs Inc PO Box 536502 Pittsburgh PA 15253-5907 Bruker Nano Inc 1 Liberty Place New York NY 10038 BRUKER NANO INC. 1 LIBERTY PL New York NY 10038 Brumby Exploration LLC 1101 E Lasalle Dr Bismarck ND 58503 Bryan A Gumm Address Redacted Bryan A Kostelecky Address Redacted Bryan Bjornstad & Margaret Woollings J/T Address Redacted Bryan Cave Leighton Paisner Address Redacted Bryan Hecker Address Redacted Bryan Hillstrom Address Redacted Bryan J Soriano Address Redacted Bryan James Ortloff Address Redacted Bryan L Jones Address Redacted Bryan L Van Grinsven Address Redacted Bryan Lass Address Redacted Bryan Lemay Jr Address Redacted Bryan M Cummins And Pattie J Cummins Hw Address Redacted Bryan R Malkowski Address Redacted Bryan Redetzke Address Redacted Bryan S Johnson Address Redacted Bryan Stephens Address Redacted Bryan T Richardson Address Redacted Bryan Thomas Address Redacted Bryan Tomchuk Address Redacted Bryant Blackham Address Redacted bryant living trust dtd 12-1-2005 Address Redacted Bryant Mineral Trust Dtd 12-26-18 Valerie Willete - Trustee Address Redacted Bryce Belstad C/O Mark Belstad Address Redacted Bryce D Stoner Address Redacted Bryce E Hauge Address Redacted Bryce Gardner Address Redacted Bryce Romo Address Redacted Bryn C Parchman Address Redacted Brynn S Cox Ttee Brynn S Cox Rev Tr Address Redacted Bryon Duane Loek 2006 Trust Diane Weggeland - Trustee Address Redacted Bryon Zacher Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 67 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 70 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Bryson Dean Bain Address Redacted Bs & B Oil Co C/O Leo Riley Cpa 141 South Center Suite 200 Casper WY 82601 Bsi Energy Partners LLC 1746-F S Victoria #382 Ventura CA 93003 BSI Energy Partners, LLC 1746F S. Victoria Ave #382 Ventura CA 93003 BSI Energy Partners, LLC c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Bst Lift Systems Inc 1456 Fleet Ave Ventura CA 93003 Bta Oil Producers LLC 104 S Pecos Midland TX 79701 BTA OIL PRODUCERS LLC 104 S PECOS Midland TX 79701 BTA OIL PRODUCERS LLC ATTN: WILLIS PRICE 104 SOUTH PECOS Midland TX 79701 BTA OIL PRODUCES, LLC ATTN: WILLIS PRICE 104 SOUTH PECOS Midland TX 79701 BTA OIL PRODUCES, LLC ATTN: WILLIS PRICE 104 SOUTH PECOS Midland TX 79701 BTI PRODUCTS LLC 652 SILVER HILLS RD Bayfield CO 81122 BTI Products LLC Elizabeth Maile Lovell 652 Silver Hills Rd Bayfield CO 81122 Btj Energy Services PO Box 657 Parshall ND 58770 Buchanan Family Trust Dtd 1-18-19 - John L & Barbara Vaaler Buchanan - Co-Trustees Address Redacted Buc-Jag Investments LP 137 Sheridan Rd Winnetka IL 60093-1539 BUC-JAG INVESTMENTS LP 137 SHERIDAN ROAD Winnetka IL 60093 Buck Horn LP PO Box 882 Midland TX 79702 BUCK HORN LP PO BOX 882 Midland TX 79702 Buck Stanley Revocable Trust Rupert H Stanley & Carrie M Sullivan Co-Ttees Address Redacted Buckeye Welding Supply Co Inc PO Box 1522 Greeley CO 80631 Buckhead Energy LLC PO Box 471288 Fort Worth TX 76147 BUCKHORN PO BOX 882 Midland TX 79702 Buckhorn Energy Oaks Disposal Services Llc 6312 S Fiddlers Green Circle Suite 300E Greenwood Village CO 80111-4831 Buckhorn Energy Services LLC 6312 S Fiddlers Green Cir Ste 300E Greenwood Village CO 80111-4831 BUCKHORN ENERGY SERVICES LLC-4951 6312 S Fiddlers Green Cir Ste 300E Greenwood Village CO 80111-4831 Buckhorn Measurement Services Inc Po Box 28 Stanley ND 58784-0028 6312 S FIDDLERS GREEN CIRCLE, BUCKHORN SWD SOLUTIONS LLC-8170 SUITE 300E Greenwood Village CO 80111 Buckley Family LLC 2310 Royal Oaks Dr Mansfield TX 76063 Buckman Living Tr Dtd 4-4-02 Allan R & Carol B Buckman - Tr Address Redacted Buckman, Keith Address Redacted Buckshot Minerals LLC 2501 6th Street Southeast Suite B Minot ND 58701 Buckshot Trucking LLC PO Box 140129 Edgewater CO 80214-0129 Bucky Lee Olson Address Redacted Buddy A Atkinson Address Redacted Buddy John Selby Address Redacted Buehler Companies 16456 E Airport Circle Aurora CO 80011 Buell A & Laura S Roll Joint Tenants Address Redacted Buell Vernon Ingram Address Redacted Buffalo Operating Corp 12415 W Gilia Way Peoria AZ 85383 Buffalo Trails Museum PO Box 22 Epping ND 58843 Buffy Energy LLC PO Box 1649 Austin TX 78767 Bugal, Patricia Address Redacted Bugge LLC 5100 Puget Rd Ne Olympia WA 98516 Buggsy'S Water Service Inc 85 South 200 East Vernal UT 84078 Bull And Bear Resources LLC PO Box 10 Dickinson ND 58602 Bull And Bear Resources, LLC PO Box 10 Dickinson ND 58602 Bull Moose Assets Mgmt LLP PO Box 1260 Watford City ND 58854 Bulldog Chemicals LLC 29030 Lake Houston Lane Huffman TX 77336 Bulldog One Oil & Gas Inc PO Box 899 Denver CO 80201-0899 BULLDOG ONE OIL & GAS INC PO BOX 899 Denver CO 80201-0899 Bulldog Services LLP 5054 Bennett Industrial Dr #11 Williston ND 58801 Bulldog Trucking 1265 E 530 N American Fork UT 84003 Bullerdick, Todd Address Redacted Bulletproof Trucking LLC Dba Six Gun 363 Smith Rd Lexington NC 27292 Bullmoose Energy LLC 2255 E 7th St Tulsa OK 74104 Bullock, Gary Address Redacted Bullock, Jennifer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 68 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 71 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country BUMAN TRUST CARL BUMAN & STUART BUMAN CO TRUSTEES 6432 CAYENNE CT Las Cruces NM 88012 Buman Trust Carl Buman & Stuart Buman Co Trustees Address Redacted Bunch, Wesley Address Redacted Burch Holdings Management Co C/O Farmers National Co- Agent PO Box 3480 Omaha NE 68103-0480 Burdette, Melissa Address Redacted Bureau Of Economic Geology The University Of Tx At Austin University Station, Box X Austin TX 78713-7508 Attn: The Superintendent Of The Bureau Of Indian Affairs Southern Ute Agency Fort Peck Agency Po Box 637 Poplar MT 59255 Attn: The Superintendent Of The Bureau Of Indian Affairs Southern Ute Agency Po Box 315 Ignacio CO 81137-0315 Bureau Of Indian Affairs Fort Berhold Agency PO Box 370 New Town ND 58763 Bureau Of Indian Affairs Fort Berthold Agency PO Box 370 New Town ND 58763 Bureau Of Indian Affairs Fort Berthold Agency Bureau of Indian Affairs 202 Main St. New Town ND 58763 Bureau Of Land Management 99 23rd Ave W Suite A Dickinson ND 58601 Bureau Of Land Management Buffalo Field Office 1425 Fort Street Buffalo WY 82834 Bureau Of Land Management North Dakota Field Office 99 23rd Avenue West, Ste A Dickinson ND 58601 Bureau Of Land Management - Montana/Dakotas 5001 Southgate Dr. Billings MT 59101 Bureau Of Land Management - WY 280 US Highway 191 Rock Springs WY 82901 Bureau Of Land Management - Wy 5353 Yellowston Rd. Cheyenne WY 82009 Bureau Of Land Management - Wyoming 5353 Yellowston Rd. Cheyenne WY 82009 Bureau Of Safety And Environmental Enforcement (“Bsee”) 1849 C Street, Nw Washington DC 20240 Bureau Of Safety And Environmental Enforcement (“Bsee”) Attn: Guy Hayes 760 Paseo Camarillo, Suite 102 Camarillo CA 93010 Bureau Of Safety And Environmental Enforcement (“Bsee”) Attn: Karla Marshall 1201 Elmwood Park Blvd. New Orleans LA 70123-2394 Bureau Veritas North America Inc 16800 Greenspoint Park Dr Ste 300S Houston TX 77060 Burgess LLC 5103 Mountain Way Casper WY 82601 Burkart Family Trust Dated 36236 Address Redacted Burke Central School PO Box 91 Lignite ND 58771 Burke Divide Electric Coop 9549 Hwy 5 West Columbus ND 58727-0006 Burke Divide Electric Coop Po Box 6 Columbus ND 58727-0006 Burke Healey Trst Burke Healey Tr Address Redacted Burke Welding Supply & Tool Co Inc Po Box 1587 Monahans TX 79756 Burley, Gregory Address Redacted Burlington Northern Rr Co Farmers National Co Agent PO Box 676167 Dallas TX 75267-6167

Burlington Resources Oil & Gas Company Lp J205326002 21873 Network Pl Chicago IL 60673-1218 Burlington Resources O&G Co LP Jv Non-Op 360 Plaza Office Building 315 S Johnstone Ave Bartlesville OK 74004 BURLINGTON RESOURCES O&G CO LP JV NON-OP 360 PLAZA OFFICE BUILDING 315 S JOHNSTONE AVE Bartlesville OK 74004 Burlington Resources O&G Co LP Jv Non-Op 360 Plaza Office Building 315 S Johnstone Ave Bartlesville OK 74004 Burlington Resources Oil & Gas Company LP 22295 Network Pl Chicago IL 60673-1222

BURLINGTON RESOURCES OIL & GAS COMPANY LP ATTN: JEFF GRAVES 925 N. ELDRIDGE PARKWAY Houston TX 77079 ATTN: JEFF GRAVES, DIRECTOR, BURLINGTON RESOURCES OIL & GAS COMPANY LP ACQUISITIONS & DIVESTITURES 925 N. ELDRIDGE PARKWAY SP1-21-N105 Houston TX 77079 ATTN: JEFF GRAVES, DIRECTOR, BURLINGTON RESOURCES OIL & GAS COMPANY LP ACQUISITIONS & DIVESTITURES 925 N. ELDRIDGE PARKWAY SP1-21-N105 Houston TX 10301 Burlington Resources Oil & Gas Company LP J205326002 21873 Network Pl Chicago IL 60673-1218 BURLINGTON RESOURCES OIL & GAS LP, C/O CROWNQUEST OPERATING LLC PO BOX 11190 Midland TX 79702 BURLINGTON RESOURCES, INC 22295 NETWORK PLACE Chicago IL 60673-1222 Burnell & Marie Pudwill Life Estate Address Redacted Burnell Pudwill Address Redacted Burnett Energy Inc 5252 141st Avenue Nw Williston ND 58801-8627 Burnett, Mckinsey Address Redacted Burnill F Clark And Diane R Clark Family Trust Dtd 3/15/94 Address Redacted Burns H Mcfarland Address Redacted Burr, Evelyn Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 69 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 72 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Burt And Karen West Address Redacted Burton Chudacoff Address Redacted Burton G Moe L-E Address Redacted Burts Logo Apparel 142 Remington St Fort Collins CO 80524 Bushong Oil&Gas Properties LLC 8 Polo Field Lane Denver CO 80209 Business Development Services Fadel Muci 6449 NW 109th Ave Doral FL 33178 Business Development Services Luis Mercado 9130 South Dadeland Blvd Suite 1702 Miami FL 33156 Business Wire Inc Department 34182 Po Box 39000 San Francisco CA 94139 Busy Bees Hot Oil Inc PO Box 11362 Williston ND 58803 Butch & Sundance LLC PO Box 280 Williston ND 58801 Butcher Trust Nadine Alvord-King Trustee Address Redacted Butchs Rat Hole & Anchor Service, Inc Po Box 1323 Levelland TX 79336 Butler Machinery Company PO Box 9559 Fargo ND 58106-9559 Butler Machinery Company Troy DeWitz PO Box 9559 Fargo ND 58106 Butler, Michael Address Redacted Butler, Peggy Address Redacted BUTLER, SNOW, O'MARA, STEVENS & CANADA, PLLC 210 EAST CAPITOL STREET 17TH FLOOR Jackson MS 39201

BUTTE PIPELINE 1970 EAST 3RD AVENUE, SUITE 205 Durango CO 81301 BUTTE PIPELINE COMPANY P.O. DRAWER 2360 Casper WY 82602 Buxbaum Family Trust Scott Michael Buxbaum, Trste Address Redacted Buzynski, Ashley Address Redacted Bwab Inc 100 Saint Paul St Ste 305 Denver CO 80206-5136 Bwab Limited Liability Company 100 St Paul St Ste 305 Denver CO 80206 Bwamm Ii LLC PO Box 2932 Avon CO 81620 Bwb Holdings LLC C/O Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 Bwb Operating Inc PO Box 10105 Liberty TX 77575 BWB OPERATING INC PO BOX 10105 Liberty TX 77575 BXP PARTNERS PO BOX 7227 Dallas TX 75209 Bxp Partners Iii LP PO Box 7227 Dallas TX 75209 BXP PARTNERS III LP PO BOX 7227 Dallas TX 75209 BXP PARTNERS III, LP PO BOX 7227 Dallas TX 75209 Byre, Keegan Address Redacted Byrnes, Alan Address Redacted Byron & Doris Jacobs 1986 Revo Trst Doris C Jacobs Co- Trustee Address Redacted Byron & Neva Renbarger Trust Linda Luttrell, Trustee Address Redacted Byron A Hickel Address Redacted Byron A Mccluskey Address Redacted Byron A Mccluskey And Faye Nichols Joint Tenants Address Redacted BYRON CONNELL & Address Redacted Byron D Vickers Address Redacted Byron F White Address Redacted Byron Gallagher Jr Address Redacted Byron J Cook Irrev Tr Jeffrey D Cook Ttee Address Redacted Byron J Cook Trust Address Redacted Byron L Trowbridge Address Redacted Byron L Warrington Jr Address Redacted Byron M Richard & Kathleen K Richard H/W As J/T Address Redacted Byron P & Joann L Kerbaugh Address Redacted Byron P Kerbaugh Address Redacted Byron Richard Address Redacted Byron Somers Address Redacted Byron Thomas Garibaldi Address Redacted Byron Warrington Address Redacted Byung H Oh Address Redacted C & C Huang Family Limited Partnership - Chung-En & Chou-Chen Huang - Gen Partners Address Redacted C & C Rentals LLC 10929 Us Highway 26 Kinnear WY 82516 C & D Water Services 630 E Broadway Williston ND 58801 C & G Electrical Services LLC 61 Inverness Dr E Ste 205 Englewood CO 80112 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 70 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 73 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country C & J Spec-Rent Services Inc PO Box 679324 Dallas TX 75267-9324 C & J Spec-Rent Services. Inc 3990 Rogerdale Rd Houston TX 77042 C & J Well Services Inc PO Box 975682 Dallas TX 75397-5682 C & K Oil Inc PO Box 574 W 10th Cheyenne Wells CO 80810 C & L Paulson Minerals LLC 15606 34th Street Nw Cartwright ND 58838 C & M Buresh Mineral Trust Conrad & Melodee B Buresh Co-Trustees Address Redacted C & M Oilfield Rentals 3429 Cottonwood Ave Cody WY 82414 C & R Obrigewitch Mineral Tr Claude & Ruth Obrigewitch - Trustees Address Redacted C & S Windfall LLC 57 Sunny Hills Drive Glasgow MT 59230 C A Steen Chicago IL C A Weflen Family Trust Dtd 4-10-17 Catherine A Weflen - Trustee Address Redacted C Alice Howell Trust Catherine A Howell Trustee Address Redacted C And E Hamers Family Trust Robert M Hamers - Trustee Address Redacted C B Markham Estate Trust Donna L Edwards Trustee Address Redacted C B Supply 981 S Hwy 123 Karnes City TX 78118 C Brodie Hyde Ii Address Redacted C C Hibbs PO Box 296 Bismarck ND 58502

C C Young Memorial Home Attention: Tom Buechel, Cfo 4829 W Lawther Dr Dallas TX 75214-1823 C D Fairchild Marital Trust Mark & John Fairchild Trustees Address Redacted C David Rhoades - Receiver Ray Energy Llc C/O Tpa 2620 Nw Expressway Ste C Oklahoma City OK 73112 C Dean Stone Address Redacted C Dennis Rosten Ii Address Redacted C E Corrigan Trust Fbo Patrick Edward Corrigan P Edward Corrigan Succ Ttee Address Redacted C E Wickman Address Redacted C Edwin Mercier Estate Address Redacted C Elaine Brown Address Redacted C F Martell Memorial Foundation - First Int'L Bank And Trust - Trustee Address Redacted C G Lander Minerals LLC 1107 5th Ave Ne Thompson ND 58278 C H & Virginia R Menteer Joint Tenants Address Redacted C H Bomar & Son State Of Tennessee Treasurer Unclaimed Property Division PO Box 198649 Nashville TN 37219-8649 C J Appling Life Estate 421 East Cambridge Fresno CA 93704 C J Mcdonough New York NY 10001 C J Selby Aka Carl Joe Selby Address Redacted C James Prieur & Karen A Prieur Address Redacted C Jones Cole Trust 91472 U/W/O Martha B Jones Address Redacted C King Oil Inc 2119 Kennedy Ave Bismarck ND 58501 C KING OIL INC 2119 KENNEDY AVE Bismarck ND 58501 C L Herndon Address Redacted C M Agudelo & J C Agudelo Nanclares & M I Agudelo Nanclares & L M Agudelo Nanclares Address Redacted C M Kaelin 865 N Catherine St Salt Lake City UT 84116 C M Limited Partnership 222 Alsace Way Colorado Springs CO 80906 C Memorial Foundation First Intl Bank & Trust PO Box 10818 Fargo ND 58106-0818 C Neuman Trust 1St Natl Bk Comm New Orleans Ttee-W C Neuman Beneficiary Address Redacted C R Jeter Address Redacted C S Grubbs Address Redacted C S Mccain Oil Company LLC PO Box 52359 Shreveport LA 71135-2359 C S Traer Estate C/O Barbara Ann Headle Address Redacted C Stacey Eastham Jr Trust Address Redacted C Thomas Larson Address Redacted C Trebes Sasser Address Redacted C Wade Aasen Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 71 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 74 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country C Wayne & Marie Vance Address Redacted C Wayne & Marie Vance Family LLC 11230 54th St Nw Ray ND 58849-9241 C WAYNE VANCE Address Redacted C&A Royalties LP 4849 Greenville Ave Suite 1515 Dallas TX 75206-4126 C&H Investments Co. 604 So 14th Street Fargo ND 58103 C&H Testing Service LLC PO Box 9907 Bakersfield CA 93389-1907 C&J Well Services, Inc. Attn: Keva Wardell 801 Cherry St., Suite 2100 Fort Worth TX 76102

C&J Well Services, Inc. c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 C&M Oilfield Rentails LLC Josh Allison 3429 Cottonwood Ave. Unit #1 Cody WY 82414 C&M Oilfield Rentals LLC Josh Allison 3429 Cottonwood Ave. Unit #1 Cody WY 82414 C&R Exodus LLC PO Box 50671 Midland TX 79710 C&R Exodus LLC-Ci PO Box 50671 Midland TX 79710 C. Gomer Address Redacted C.E. Sloan Address Redacted C/O Lorraine L Darling, CPA Address Redacted C/O Lorriane L Darling, CPA Address Redacted C/O Morgan Stanley & Co. Incorporated Attn: Close-Out Notices 1585 Broadway New York NY 10036-8293 C10 Ltd 813 Ridge Place Falls Church VA 20046 C2 Geology LLC PO Box 1281 Ouray CO 81427 C3 Energy LLC 50 S Steele St Ste 430 Denver CO 80209-2809 Ca Secretary Of States Office 1500 11Th Street Sacramento CA 95814 Ca White Wireline Services PO Box 156 Casper WY 82602 Cabot Oil & Gas Corp PO Box 972875 Dallas TX 75397-2875 Cache Trucking LLC 430 6th Ave West Williston ND 58801 Cachuma Gas Processing Company Cherish Ralls, Counsel for Cachuma 333 W Sheridan Avenue Oklahoma City OK 73102 Cactus Wellhead LLC PO Box 734254 Dallas TX 75373-4254 Cad Inc, Montana Seals & Packing 6837-A Commercial Ave Billings MT 59101 Cad Properties Ltd PO Box 8206 Wichita Falls TX 76307-8206 CAD, Inc. Andrea Bushnell 6837 - A Commercial Ave Billings MT 50101 Caddo Minerals Inc 2714 Bee Cave Rd Ste 202 Austin TX 78746 Cade Oil And Gas LLC 11342 Birolli Pl Littleton CO 80125 CADE PRODUCTION 11342 BIROLLI PLACE Littleton CO 80125 Cade Production LLC 11342 Birolli Place Littleton CO 80125 CADE PRODUCTION LLC 11342 BIROLLI PLACE Littleton CO 80125 CADE PRODUCTION, LLC 11342 BIROLLI PLACE Littleton CO 80125 CADE PRODUCTION. LLC 11342 BIROLLI PLACE Littleton CO 80125 Caden Jack Peterson Angela Harrison, Guardian Address Redacted Cadman, Bill Address Redacted Cady Family Trust Gary I Cady, Trustee Address Redacted Caerus Holdings LLC PO Box 48059 Denver CO 80204 Caerus Holdings LLC Elizabeth M. Guffy Locke Lord LLP 600 Travis, Suite 2800 Houston TX 77002 Caerus Holdings, LLC PO Box 48059 Denver CO 80204 Caerus Holdings, LLC Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Cahoon Enterprises LLC 5245 142nd Dr Nw Williston ND 58801 Cain Electric Supply Corp PO Box 206562 Dallas TX 75320-6562 Cain Inc PO Box 77 Canton MS 39046-0077 Caithness Resources Inc The Grace Building 1114 Avenue Of The Americas New York NY 10036 Caja De Valores S.A. Melina Bobbio Ave 25 De Mayo 362 Buenos Aires C1002abh Argentina Caja De Valores S.A. Melina Bobbio Ave 25 De Mayo 362 C1002abh Buenos Aires Argentina Cal Farleys Boys Ranch Found Amarillo National Bank Agent c/o Amarillo National Bank Attn: Leslie Weaver PO Box 1 Amarillo TX 79105 Cal M Dowhaniuk Address Redacted Cala D Noble Address Redacted Caldak Minerals Inc 103 3rd Avenue PO Box 464 Northwood ND 58267 Caldwell, Emily Address Redacted Cale J Roth Address Redacted Caleb Dean Nottestad Debbie Nelson Poa Address Redacted Caleb Snyder Address Redacted Cales, Kevin Address Redacted Calf Creek Royalty Ltd PO Box 10457 Midland TX 79702 CALF CREEK ROYALTY LTD PO BOX 10457 Midland TX 79702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 72 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 75 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Caliber Midstream Partners Lp 950 17th St Ste 1000 Denver CO 80202-2819

CALIBER MIDSTREAM PARTNERS LP -6938 C/O FREDRICKSON & BYRON P.A. ATTN: LAWRENCE BENDER 1133 COLLEGE DRIVE #1000 Bismarck ND 58501 CALIBER NORTH DAKOTA Luke A DiTomas 950 17TH ST STE 1000 Denver CO 80202 CALIBER NORTH DAKOTA LLC ATTN: DANIEL WERTH 950 - 17TH STREET SUITE 1000 Denver CO 80202 CALIBER NORTH DAKOTA LLC 950 17TH ST STE 1000 Denver CO 80202 CALIBER NORTH DAKOTA LLC 950 17TH ST STE 1000 Denver CO 80202-2819 Caliber North Dakota LLC Address Redacted CALIBER NORTH DAKOTA LLC ATTN: DANIEL WERTH 950 - 17TH STREET SUITE 1000 Denver CO 80202 Attn: Alfredo R. Perez and Brenda 700 Louisiana Street Suite Caliber North Dakota LLC c/o Weil, Gotshal Manges LLP Funk 1700 [email protected] Houston TX 77002 Calier Dp LLC Address Redacted California Department of Business Oversight Attn: Manuel P. Alvarez 1515 K Street Suite 200 Sacramento CA 95814 California Department of Treasury Attn: Fiona Ma 915 Capitol Mall Suite 110 Sacarmento CA 95814 California Department of Treasury Attn: Fiona Ma PO Box 942809 Sacarmento CA 94209 California EEOC - Los Angeles District Office Attn: Rosa Viramontes Roybal Federal Building 255 East Temple Street 4th Floor Los Angeles CA 90012 California Environmental Protection Agency 1001 I Street PO Box 2815 Sacramento CA 95814 California Franchise Tax Board 3321 POwer Inn Road Suite 250 Sacramento CA 95826-3893 California Franchise Tax Board PO Box 942857 Sacramento CA 94257-0500 California Labor and Workforce Development Agency Attn: Julie A. Su 455 Golden Gate Avenue 9th Floor San Francisco CA 94102

California Occupational Safety and Health Administration Oakland District Office 1515 Clay Street Suite 1901 Oakland CA 94612 California Office Of The Attorney General Po Box 944255 Sacramento CA 94244-2550 California Office of the Attorney General Attn: Xavier Becerra 1300 I Street Sacarmemento CA 95814 Unclaimed Property Division Attn Betty California State Controller T Yee Po Box 942850 Sacramento CA 94250-5873 CALIFORNIA STATE CONTROLLER UNCLAIMED PROPERTY DIVISION ATTN: BETTY T. YEE PO BOX 942850 Sacramento CA 94250-5873 California State Disbursement Unit - For Warren Stevens Remit Id: 0730602751715 Address Redacted Callahan, Patrick Address Redacted Callie Ethier Address Redacted Callie J Callender Fka Callie J Torgerson Address Redacted CALLIER DP, LLC Address Redacted Calm Fort Worth Ventures LLC 137 Sheridan Winnetka IL 60093 Calmetto Ii Ltd PO Box 11107 Midland TX 79702 Calpine Energy Solutions PO Box 730964 Dallas TX 75373-0964 Calsey Gust Address Redacted Calto Oil Company PO Box 12266 Dallas TX 75225 CALTO OIL COMPANY 7015 SNIDER PLZ Dallas TX 75205 CALTO OIL COMPANY PO BOX 12266 Dallas TX 75225 Calvary Baptist Church 6300 West 1st Avenue Lakewood CO 80226 Calvary Chapel Of Huntington Beach 7800 Edinger Ave Huntington Beach CA 92647 Calvin & Bettey Solem Irrevocable Minerals Trust A Dated 3/18/2014 Address Redacted Calvin A Kanning Address Redacted Calvin And Betty Solem Revocable Living Trust B Dated 7/19/2004 Address Redacted Calvin J. Meierbachtol Address Redacted Calvin L Wayman Kathleen A Wayman Co-Ttees Of Calvin Kathleen Wayman Rev Tr Address Redacted Calvin Leibelt Address Redacted Calvin N Bakken Address Redacted Calvin P Gaddis Address Redacted Calvin R Olheiser Address Redacted Calvin Thurlow Address Redacted Camargo Corporation PO Box 411 Bismarck ND 58501 Cameo Deming Lessman Address Redacted CAMERON B ARNEGARD & Address Redacted Cameron B Arnegard & Mary Susan Arnegard J/T Address Redacted Cameron Eikom Address Redacted Cameron F Jones Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 73 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 76 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Cameron International Corporation Phil F Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Cameron L Hughes Address Redacted Cameron L. Smith Address Redacted Cameron Loffelmacher Address Redacted Cameron Nemecek & Carol Winkler JT Ten Address Redacted Cameron Surface Systems PO Box 731412 Dallas TX 75373-1412 Camilla I Gosnell Address Redacted Camilla Sanders Daly Address Redacted Camilla Stair Address Redacted Camille Harris Address Redacted Camille Sims Daglio Address Redacted CAMO SOFTWARE INC 1 WOODBRIDGE CTR Woodbridge NJ 07095 Camp Kesem Address Redacted Camp Lutherhaven Address Redacted Camp Recreation PO Box 26 Richardton ND 58652 A/K/A The Church Of The New Campaign For Christ Inc Covenant 3952 10th Avenue S Minneapolis MN 55407 Campbell County Treasurer PO Box 1027 Gillette WY 82717-1027 Campbell, Mark Address Redacted Camron Withers Address Redacted CAMWEST EXPLORATION LLC 1825 LAWRENCE STREET STE. 300 Denver CO 80202 Can Am Properties 882 13Th St East Dickinson ND 58601 Canaccord Genuity Corp./CDS** Ben Thiessen 2200-609 Granville Street Vancouver BC V7y 1h2 Canada Canada Revenue Agency, Tax Services Office 1050 Notre Dame Ave Sudbury ON P3A5C2 Canada ATTN: GENERAL MANAGER, TRADING DOCUMENTATION, CAPITAL MARKETS RISK CANADIAN IMPERIAL BANK OF COMMERCE 161 BAY STREET BROOKFIELD PLACE 10TH FLOOR MANAGEMENT Toronto ON M5J 2S8 Canada Attn: General Manager, Trading Documentation, Capital Markets Risk Canadian Imperial Bank Of Commerce Management 161 Bay Street Brookfield Place 10th Floor Toronto ON M5J 2S8 Canada CANADIAN IMPERIAL BANK OF COMMERCE-NEW YORK Legal Department 425 Lexington Ave New York NY 10017-3909 Canadian Transportation Agency Attn: Scott Streiner 15 Eddy Street Gatineau QC J8X 4B3 Canada Canadian Transportation Agency Canadian Transportation Agency Ottawa ON K1A 0N9 Canada Canary Drilling Services, LLC Chris Myers 17207 N. Perimeter Dr. Ste. 120 Scottsdale AZ 85255 Canary Drilling Services, LLC Robin Lambourn PO Box 9123 Denver CO 80209 Canary Production Svcs LLC 410 17th St Suite 1320 Denver CO 80202 Canary Production Svcs LLC 17207 N Perimeter Dr Ste 220 Scottsdale AZ 85255 Canda L Deboer Address Redacted Candace A Berghorst Address Redacted Candace Bagley Address Redacted Candace Dudley C/O Shirley Ann Ovitt Address Redacted Candace E Mcfarland Address Redacted Candace J Fahy Address Redacted Candace Krewer Address Redacted Candace M Ozols Address Redacted Candace M Seavello Address Redacted Candace Metschke Address Redacted Candera Exploration Inc 238 Denver Club Bldg Denver CO 80202 Candice Huwe Address Redacted Candice J Mikos Address Redacted Candice Kinamon Address Redacted Candice L Crockett Address Redacted Candice L Mcgaughey Address Redacted Candice M Johnston Address Redacted Candice M Jordan Address Redacted Candice Ruden Address Redacted Cando-Wy LLC 36 Silverwood Way Evanston WY 82930 Candy L Moneypenny Rushing Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 74 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 77 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cannco LLC PO Box 460609 Glendale CO 80246-0609 Canon Family Trust Samuel Haynes Canon- Trustee Address Redacted Canter, Karen Address Redacted Cantey Hanger Amuedo Trust Dtd March 1 2010 Bank Of America Na Trustee Address Redacted CANTOR FITZGERALD & CO. Corporate Actions 55 Water Street 28th Floor New York NY 10041 CANTOR FITZGERALD & CO. CORPORATE ACTIONS DEPT. 110 East New York NY 10022 CANTOR FITZGERALD & CO. ISSUER SERVICES 51 MERCEDES WAY Edgewood NY 11717 Cantrell, Troy Address Redacted Cantu, Stephen Address Redacted Capex Oilfield Services Inc 8509 Oil Avenue Williston ND 58801 Cap-It Covers 3525 E Mulberry St Fort Collins CO 80524

Capital Markets Documentation Unit Attn: Director Of Derivative Operations 388 Greenwich Street 17th Floor New York NY 10013 SENIOR DIRECTOR, ASSOCIATE GENERAL COUNSEL OF CAPITAL CAPITAL ONE, NATIONAL ASSOCIATION ATTN: EDWARD IUTERI MARKETS New York NY 10017 Capital One, National Association Attn: Edward Iuteri 299 Park Avenue New York NY 10017 CAPITAL ONE, NATIONAL ASSOCIATION Legal Department 201 St. Charles Ave., 18th Floor New Orleans LA 70170 Capital Services LLC PO Box 640 Williston ND 58801 Capital Well Services PO Box 1511 Williston ND 58802 Capitalplus Construction Services, LLC Attn: Christopher Mcshane C/O Ohnstad Twichell P.C. 444 Sheyenne Street #102 West Fargo ND 58078

CAPITALPLUS CONSTRUCTION SERVICES, LLC C/O OHNSTAD TWICHELL P.C. ATTN: CHRISTOPHER MCSHANE 444 SHEYENNE STREET #102 West Fargo ND 58078 Caprock Energy LLC PO Box 7172165 Stateline NV 89449 Captain Alexis Sherwood Acct 15307 Endicott Drive Bowie MD 20716 Cara D Mezydlo Address Redacted Cara Johnston Address Redacted Cara Lynn Grant Address Redacted Cara Ventura Geiger Address Redacted Caralee Heiser Address Redacted Caralynn M Olson Address Redacted Carbajal, Tamara Address Redacted Carbon County Treasurer Patricia A Bentsen 415 W Pine Rawlins WY 82301 Carbon County Treasurer Patricia A. Bentsen Po Box 7 Rawlins WY 82301 Carbon County, WY 415 W. Pine Street Rawlins WY 82301 Carbon County, WY PO Box 520 Rawlins WY 82301 Carbon Creek Energy LLC 7900 E Union Ave Ste 1100 Denver CO 80237-2746 Carbon Peak Energy LLC PO Box 101105 Denver CO 80210 Carbon Power & Light Inc PO Box 579 Saratoga WY 82331-0579 Card Inheritance Trust Margaret Kathleen Card Ttee Address Redacted Carden Family Investments LLC 4415 Shores Dr Metairie LA 70006 Cardona, Reynaldo Address Redacted Cardovan LLC 206 Cullen Way Newark DE 19711 Caren Hoiby Address Redacted Caren M Mckenzie Address Redacted Carey K Wille Address Redacted Carey N Tise Address Redacted Carey W Zimmermann Address Redacted Cari A Opsta Address Redacted CARIBAM RESOURCES INC 1120 LUNETA PLZ Santa Barbara CA 93109-2120 Caribam Resources Inc Attn Paul Roston 108 Morado Ln Santa Barbara CA 93105 Caribou Energy Partners LLC 1320 Lake Street Fort Worth TX 76116 Carin Knickel Address Redacted Carin S Knickel Address Redacted Carin S. Knickel Address Redacted Carkuff Enterprises LLC 2198 Sommer Dr Mandan ND 58554 Carkuff Family Trust Tony M Devall - Trustee Address Redacted Carl & Rosella Erickson Address Redacted Carl & Sarah Stenberg Trust Sarah Marie & Carl Rainville Stenberg Jr - Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 75 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 78 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carl A Beavers Address Redacted Carl A Broden Address Redacted Carl A Carlson Address Redacted Carl A Evans Address Redacted Carl B Everett Iii Address Redacted Carl B Friis Address Redacted Carl Baxter Address Redacted CARL BEAN Address Redacted Carl Berger Address Redacted Carl Berger Life Estate Address Redacted Carl Brien Address Redacted Carl C Bye Address Redacted Carl E Peterson Address Redacted Carl Eric Wickman Estate Pamela L Bogan Boemi - Pr Address Redacted Carl F Baerst & Janice Sue Baerst Trust Dtd 1/14/93 Address Redacted Carl F Wilke Address Redacted Carl H Meschke Address Redacted Carl H Oksol Revocable Living Trust Kathleen K Oksol - Trustee Address Redacted Carl H Oksol Revocable Living Trust Kathleen K Oksol, Trustee Address Redacted Carl Herrin Address Redacted Carl Herrin Oil And Gas LLC 493 Canyon Point Cir Golden CO 80403-7774 Carl Hillman Address Redacted Carl J Danielson Address Redacted Carl J Erickson Address Redacted Carl J Erickson Living Trust Kaye Gudbranson & Stacy W Erickson Succ Ttees Address Redacted Carl J Norman Address Redacted Carl K Oakland Address Redacted Carl Lathrop Address Redacted Carl M & Maureen Perdue Joint Tenants Address Redacted Carl Mark Gillette Jr Address Redacted Carl Miles And Shirley Miles Address Redacted Carl Mohrherr Address Redacted Carl Nelson Address Redacted Carl Niemitalo Address Redacted Carl Norby Address Redacted Carl O Brininstool Jr Address Redacted Carl P Kannianen Address Redacted Carl P Teisberg Address Redacted Carl S Shamburger Jr Family Trust Address Redacted Carl Schenk Address Redacted Carl; E Andrews Address Redacted Carla Aftem Address Redacted Carla Carmichael Address Redacted Carla Folven Address Redacted Carla Gartner Address Redacted Carla J Phillips Trust Carla J Phillips - Trustee Address Redacted Carla J Wilson Address Redacted Carla Jean Sharp Address Redacted Carla K Barke Address Redacted Carla L Tourtellotte Revocable Trust Address Redacted Carla R. Rickerd & Wayne L. Rickerd Address Redacted Carla S Larson Address Redacted Carla Stomley Address Redacted Carla Torgerson Address Redacted Carla Williams Address Redacted Carleigh Wolfe Trust Cassie Zemke - Trustee Address Redacted Carlen M Hurley Address Redacted Carlene Harpe Address Redacted Carlene Swanson-Boyle Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 76 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 79 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carleton College Address Redacted Carley Jane Warren Address Redacted Carlos D Barrera Jr C/O Richard M Barrera Address Redacted Carlos R Pierce Address Redacted Carlos Vigo Address Redacted Carlson Mccain Inc 3890 Pheasant Ridge Dr Ne Blaine MN 55449 Carlson Photography Inc 11489 East Bates Court Aurora CO 80014 Carlson, Jeffrey Address Redacted Carlton B Baird Address Redacted Carlton Bruce Smith III Address Redacted Carlton Family Living Trust Address Redacted Carlton Huus Address Redacted CARLTON INDUSTRIES LP Address Redacted Carlton Industries Lp PO Box 280 La Grange TX 78945 Carlton Meredith Jr Address Redacted Carly Yvonne Baade Address Redacted Carlyle & Gayle Stenberg Family LLLP 12866 34th St Nw Watford City ND 58854 Carlyle Stenberg Address Redacted Carmella Tweden Sunsdahl Biser Address Redacted Carmen Elizabeth Lewis Jones Address Redacted Carmen Erickson Address Redacted Carmen Ferrer Address Redacted Carmen L Mogen & Roxanne Mogen Hoblitt Co Ttees Of The Carmen L Mogen Trust Dtd 01/18/90 Address Redacted Carmen L Mogen Trust Dtd 1-18-90 Roxanne Mogen Hoblitt - Tr Address Redacted Carmen M Sande Address Redacted Carmen Mcfarlin Address Redacted Carmen Steuck Address Redacted

Carmene H Gunnell Trust Stacey Leith Smith - Succ Ttee Address Redacted Carmine Masi & Ramona Masi JT Ten Address Redacted Carns Family Mineral Trust Dtd 11-23-15 Craig Edward Carns - Trustee Address Redacted Carol A Byrd Address Redacted Carol A Enderle Address Redacted Carol A Erickson Address Redacted Carol A Gartner Address Redacted Carol A Henrikson Address Redacted Carol A Karst Address Redacted Carol A Karst & Robert L Karst Joint Tenants Address Redacted Carol A Lathrop-Riboli Address Redacted Carol A Marshall Address Redacted Carol A Mcnearney Address Redacted Carol A Morlock Address Redacted Carol A Spillman Address Redacted Carol A Udd Address Redacted Carol A Viger Address Redacted Carol A. Wood Address Redacted Carol Amdal Address Redacted Carol And Jim Jesska Address Redacted Carol Ann Anderson Address Redacted Carol Ann Corrigan Address Redacted Carol Ann Erickson Address Redacted Carol Ann Hesseltine Address Redacted Carol Ann Kuester Moore Address Redacted Carol Ann Loyd C/O Jay Loyd Poa Address Redacted Carol Ann Martin Address Redacted Carol Ann Nelson White Address Redacted Carol Ann Normandeau Address Redacted Carol Ann Shullanberger Address Redacted Carol Ann Wood Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 77 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 80 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carol Anne Roe Address Redacted Carol B Sims Address Redacted Carol Bittenbinder Address Redacted Carol Bros Address Redacted Carol Callon Fuqua Address Redacted Carol Christensen Address Redacted Carol Christine Stewart Address Redacted Carol Christopherson Address Redacted Carol Clare & Douglas Thompson Life Estate Address Redacted Carol Clare Thompson Address Redacted Carol Cottingham Miles Address Redacted Carol Cottrell Address Redacted Carol Crissey Evans Address Redacted Carol D Ley Address Redacted Carol Dalbey Address Redacted Carol Decker Address Redacted Carol Diane Jenson Bassett Address Redacted Carol Diane Juneau Le Address Redacted Carol Donaldson Address Redacted Carol E Rodakowski Address Redacted Carol Elaine Bailey Address Redacted Carol Estes Graham Address Redacted Carol Fugate Address Redacted Carol Griffith Address Redacted Carol Gunter Address Redacted Carol H Brown Address Redacted Carol Hanson Address Redacted Carol Heidtke Address Redacted Carol Hicks Address Redacted Carol Hoiby Orval Hoiby Poa Address Redacted Carol Hoovestol Address Redacted Carol Hudrlik Address Redacted Carol J Bruce Address Redacted Carol J & Gary L Reed Jtwrs Address Redacted Carol J Anderson Address Redacted Carol J Aspelund Address Redacted Carol J Beckert Address Redacted Carol J Beckert Family Trust Dtd 6-22-18 Carol Beckert - Trustee Address Redacted Carol J Deal & Kenneth M Deal J/T Address Redacted Carol J Durand Address Redacted Carol J Farmer Address Redacted Carol J Macphee Address Redacted Carol J Mahnke Address Redacted Carol J Rykken Address Redacted Carol J Trapp Address Redacted Carol J Wurtz Address Redacted Carol J. Durand Address Redacted Carol Jean Bieber Shelter Tr Address Redacted Carol Jean Nelson Address Redacted Carol Jeanne Kern Hake Address Redacted Carol Jesska Address Redacted Carol Joan Graves White Address Redacted Carol K & C Thomas Larson J/T Address Redacted Carol K Marsh Address Redacted Carol Kay Moen Address Redacted Carol Kay Moen Revocable Trust Address Redacted Carol Koetting Freeman Address Redacted Carol Krenz Address Redacted Carol Kropf Address Redacted Carol L Anderson Address Redacted Carol L Arneson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 78 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 81 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carol L Ekelund Address Redacted Carol L Holzworth Address Redacted Carol L Kilpatric Address Redacted Carol L Moe Address Redacted Carol L Richards And Stephen M Richards Trustees Address Redacted Carol L Schmaltz Address Redacted Carol Lynn Bromstad Address Redacted Carol M Bros Address Redacted Carol M Coates Address Redacted Carol M Kelliher Special Needs Trust - Lisa Masoner & Grant Elwood - Trustees Address Redacted Carol M Knapp Address Redacted Carol Marchant Address Redacted Carol Marie Barnett Address Redacted Carol Marie White Estate Aka Carol M White Address Redacted Carol Marino Address Redacted Carol Moberg Address Redacted Carol N Senkel Address Redacted Carol Narum Address Redacted Carol Norwood Scott Address Redacted Carol Pritchard Address Redacted Carol R Sandvik Address Redacted Carol Rein Rother Address Redacted Carol Richter Address Redacted Carol S Gehlsen Address Redacted Carol S Johnson Address Redacted Carol S Woltman Address Redacted Carol Schmitz Address Redacted Carol Schullangerger Merryman Address Redacted Carol Scott Ashworth Address Redacted Carol Shannon Address Redacted Carol Sharbono Life Estate Address Redacted Carol Stolt & Harold Stolt Address Redacted Carol Sue Dakan Address Redacted Carol Syminow & Barbara Keller, J/T Address Redacted Carol Tjelde Address Redacted Carol Uggen Patterson Address Redacted Carol Ventsch Address Redacted Carol Vickstrom Address Redacted Carol Watts Address Redacted Carol Weatherford Address Redacted Carol Willett Address Redacted Carole A Haug Address Redacted Carole Anne Ballew Address Redacted Carole Askew Address Redacted Carole Brown Address Redacted Carole Freed Address Redacted Carole Graham Address Redacted Carole Harder Address Redacted Carole J Perron Address Redacted Carole K Boehner Address Redacted Carole Petroleum LLC P O Box 4454 Wichita Falls TX 76308 Carole Price Address Redacted Carole S Clark Address Redacted Carole S Cohen Address Redacted Carole Tasker Address Redacted Carole V Hauskins Address Redacted Carolene A Jablonsky Address Redacted Carolene A Jablonsky Estate Tamera J Schroeder Per Rep Address Redacted Carolene A Jablonsky Life Estate Address Redacted Carolina Lindholm Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 79 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 82 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Caroline A Filkowski Pearson Address Redacted Caroline Buckman Life Estate Austin R Buckman, A-I-F Address Redacted Caroline Byrne Address Redacted Caroline E Boone Address Redacted Caroline Elaine-Kemppainen Nagy Address Redacted Caroline Glasshagel Address Redacted Caroline H Smith Address Redacted Caroline Hecker Address Redacted Caroline Helmuth Address Redacted Caroline Lamson Address Redacted Caroline Liska Thompson Address Redacted Caroline M Long & Derrell K Long Jr & Carlene M Long JT Ten Address Redacted Caroline M Sadle Living Trust Address Redacted Caroline Megan Sweeney Address Redacted Caroline O Schulte Address Redacted Caroline Oconnor Address Redacted Caroline Rose Hunt Address Redacted Caroline S Chase Address Redacted Caroline S Swinson Trust Richard Phillips - Trustee Address Redacted Caroline Sadle Address Redacted Caroline Skipper Hollins Address Redacted Caroll Tollefson Address Redacted Carollyn Carnley Life Tenant C/O Randy Mccloud Address Redacted Carollyn Mccloud Life Estate Address Redacted Carolson & Lane Leasing Inc Address Redacted Carolyn A Hayden Address Redacted Carolyn A Twichel Address Redacted Carolyn A Young Address Redacted Carolyn Ann Lantz Address Redacted Carolyn Ann Lantz And Richard L Lantz Address Redacted Carolyn Ann Loupee Address Redacted Carolyn Benjamin Address Redacted Carolyn C Rogers Address Redacted Carolyn Campbell Address Redacted Carolyn Coulam Panos Address Redacted Carolyn D Immel Address Redacted Carolyn D Sakellarion Address Redacted Carolyn Deborah Watkins Giles Address Redacted Carolyn Diehl Address Redacted Carolyn Dutzi Address Redacted Carolyn E Vine Address Redacted Carolyn F Hughes Amwdssp Address Redacted CAROLYN F LEMONIER Address Redacted Carolyn F Perdue Address Redacted Carolyn F Perdue Irrevocable Mineral Trust Dtd 1-10-18 Steven Perdue - Trustee Address Redacted Carolyn Fantz Address Redacted Carolyn G Katseanes Address Redacted Carolyn Gooden Dunstone Address Redacted Carolyn H Joseph Family Trust Address Redacted Carolyn H Young Address Redacted Carolyn J Biggs Address Redacted Carolyn J Bray Address Redacted Carolyn J Hedlund Address Redacted Carolyn J Munch Address Redacted Carolyn J S & Billy Mikesh Address Redacted Carolyn Jean Reas Douglas Richard Reas - Poa Address Redacted Carolyn Judith Aulick Address Redacted Carolyn L Mcnamara Address Redacted Carolyn Lewis Address Redacted Carolyn M Gilliland Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 80 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 83 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carolyn M Glastris Address Redacted Carolyn M Myhre Address Redacted Carolyn Manning Address Redacted Carolyn Mary Mahtook Address Redacted Carolyn P Davidson Address Redacted Carolyn Peterson Address Redacted Carolyn R Grant & Henry N Grant JT Ten Address Redacted Carolyn Richards Gibbons Address Redacted Carolyn Ruth Mahin Address Redacted Carolyn S Wollard Address Redacted Carolyn Sattler Paul A Sattler, W/H Address Redacted Carolyn Schendle Address Redacted Carolyn Shimek Address Redacted Carolyn Sue Clay Address Redacted Carolyn Taylor Address Redacted Carolyn Toeckes Address Redacted Carolyn W Prater Address Redacted CARON TRANSPORTATION SYSTEMS USA, INC. Address Redacted Carousel Industries Of North America Inc Po Box 842084 Boston MA 02284-2084 Carquest Of Stanley PO Box 1283 Stanley ND 58784 Carr Residential LLC 2121 Lohmans Crossing Suite 504-265 Austin TX 78734 Carr, Daren Address Redacted Carr, Kari Address Redacted Carrick Resources Company Montana Department Of Revenue Case No: Dv-15-3 PO Box 5805 Helena MT 59604-5805 Carrie Bilby Address Redacted Carrie Giese Address Redacted Carrie Haworth Berg Address Redacted Carrie J Halfhide Address Redacted Carrie L Attebury Address Redacted Carrie L Wetter Address Redacted Carrie Levering Smith Address Redacted Carrie Lynn Roth Address Redacted Carrie Russ Jones Address Redacted Carrie Salerno Address Redacted Carrier Petroleum LLC 77 Sugar Creek Center Blvd Suite 550 Sugar Land TX 77478 Carriveau Family Revocable Tr Dtd 12-21-01 - Christopher P & Ann P Carriveau - Trustees Address Redacted CARRIZO (NIOBRARA) LLC ATTN: ANDREW AGOSTO 2000 W Sam Houston Pkwy S Ste 2000 Houston TX 77042-3622 CARRIZO (NIOBRARA) LLC ATTN: GAS MARKETING 2000 W Sam Houston Pkwy S Ste 2000 Houston TX 77042-3622 Carrizo (Niobrara) LLC Attn: Law Department 2000 W Sam Houston Pkwy S Ste 2000 Houston TX 77042-3622 Carrizo Niobara LLC 2000 W Sam Houston Pkwy S Ste 2000 Houston TX 77042-3622 CARRIZO NIOBARA LLC 500 DALLAS ST STE 2300 Houston TX 77002 Carrizo Oil & Gas Inc 2000 W Sam Houston Pkwy S Ste 2000 Houston TX 77042-3622

CARRIZO OIL & GAS, INC. 2000 W SAM HOUSTON PKWY S STE 2000 Houston TX 77042-3622 Carrol Clark Address Redacted Carrol L Grace Address Redacted CARROLL F HEGGE Address Redacted Carroll F Hegge & Pamela J Hegge, J/T Address Redacted Carroll Gustafson Address Redacted CARROLL J TIPPIT Address Redacted Carroll P & Joyce Choate Address Redacted CARROLL R PAULSON Address Redacted Carroll, Conor Address Redacted Carrot Top Industries Inc 328 Elizabeth Brady Road Po Box 820 Hillsborough NC 27278 Carson Aasen Address Redacted Carter Cheskey Address Redacted Carter D Copeland Address Redacted Carter Family Mineral Trust Richard E Carter Successor Ttee Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 81 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 84 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Carter Family Trust Jill Rivers Carter & Darryl O Carter Co-Tees Address Redacted Carter Jonathan Coleman Address Redacted Carter Rennerfeldt Address Redacted Carter Sims Address Redacted Carter Trust Oil Control Acct Frost National Bank Account #W10000100 PO Box 1600 San Antonio TX 78296-1600 Carter, Marsha Address Redacted Cartier Farms Revocable Living Trust - Charles & Catherine Cartier, Trustees Address Redacted Caruso, Juanell Address Redacted Cary A Ridl Address Redacted Cary Swenson L/E Address Redacted Cary Taylor Wilson Address Redacted Cary Torgerson Address Redacted Caryl W Clapp & Lisa J Wagner Co-Trustees Of The Clare M Wagner Trust Address Redacted Casa Of Jefferson & Gilpin Counties 100 Jefferson County Pkwy 2040 Golden CO 80401 Casas Por Cristo Attn: 5493 Lindsay Hermayer Po Box 971070 El Paso TX 79997 Cascade Resources LLC PO Box 888 Edmond OK 73083 Casedhole Solutions PO Box 733404 Dallas TX 75373-3404 Casey David Schlothauer Address Redacted Casey E Gadway Address Redacted Casey E Harless Address Redacted Casey Family Oil And Gas Holdings LLC PO Box 1491 Tacoma WA 98401 Casey Jacobson Address Redacted Casey John Schmitz Address Redacted Casey L Tompkins Address Redacted Casey M Blackburn Address Redacted Casey Maehl Address Redacted Casey Miller Address Redacted Casey P Jones Address Redacted Casey Sullivan Address Redacted Caseys Car Care Center 4315 S Mason St Ft Collins CO 80525 Casimir A Dietz Address Redacted Casimir A Dietz Life Estate Address Redacted Casimir A Paluck Address Redacted Casmir Kytoicyhuk Address Redacted Casper College Foundation 125 College Drive Casper WY 82601 Casper Contractors Supply Inc 664 Circle Dr Casper WY 82601 Casper Star Tribune C/O Lee Newspapers Po Box 742548 Cincinnati OH 45274-2548 Cass County Historical Society 1351 West Main Avenue West Fargo ND 58078 Cassandra Callais Address Redacted Cassandra F Kordenat And Lane M Glasoe Jts Address Redacted Cassandra Kay Figaro Address Redacted Cassandra Lee Frederic Address Redacted Cassie E Siira-Barnum Address Redacted Cassie L Leitch Address Redacted Cassie Timms Address Redacted Cassie Address Redacted Cast Royalty Group LLC PO Box 2023 Williston ND 58802-2023 Castle Oilfield Services PO Box 1472 Williston ND 58802 Castle Operating LLC 4727 Gaillardia Pkwy Ste 200 Oklahoma City OK 73142

CASTLE OPERATING LLC 4727 GAILLARDIA PKWY, SUITE 200 Oklahoma City OK 73142 CASTLE PEAK ENERGY LLC C/O RAMPART ENERGY COMPANY DEPT 999039 PO BOX 5627 Denver CO 80217-5627

Castle Peak Energy LLC C/O Rampart Energy Company Dept 999039 PO Box 5627 Denver CO 80217-5627 CASTLE PEAK ENERGY LLC C/O RAMPART ENERGY COMPANY DEPT 999039 PO BOX 5627 Denver CO 80217-5627 Castlerock Resources Inc 3333 Nw 63rd St Ste 1 Oklahoma City OK 73116 Castor Minerals LLLP Wells Fargo Bank Conservator PO Box 41779 Austin TX 78704 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 82 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 85 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Castro, Jonathan Address Redacted Castulon Royalty 4815 South Harvard Ave Ste 270 Tulsa OK 74135 Cat Spring Properties LLC PO Box 450 Sealy TX 77474 Catalyst Energy LLC 3018 N 53rd Pl Phoenix AZ 85018 CATALYST ENERGY LLC 3018 N 53RD PLACE Phoenix AZ 85018 Cathal Sweeney Address Redacted Catharine Jane Heim Living Tr Catharine Jane Heim - Trustee Address Redacted Cathedral Of The Holy Spirit PO Box 1137 Bismarck ND 58502 Catherine A Chapin Address Redacted Catherine A Crawford Address Redacted Catherine A Kelleher Address Redacted Catherine Ann Nelson Address Redacted Catherine Ann Weflen Address Redacted Catherine B Perry Address Redacted Catherine Bonner Rubey Address Redacted Catherine Crary Life Estate Address Redacted Catherine Dekker Address Redacted Catherine E Nanson Address Redacted Catherine E Robinson Address Redacted Catherine Edwards C/O Diane Taylor-Surratt Address Redacted Catherine F Geldon Address Redacted Catherine Goray Address Redacted Catherine Griffith Address Redacted Catherine Haas Lindsey Address Redacted Catherine J Wash Address Redacted Catherine L Hancock Address Redacted Catherine Leslie Carlson Address Redacted Catherine Logosz Address Redacted Catherine Logosz L/E Address Redacted Catherine Mary Keller Thomas F Wieland Ii - Trustee Address Redacted Catherine Mary Mahtook Address Redacted Catherine McCaffrey Address Redacted Catherine Mildred Bonnett Address Redacted Catherine Moutos Broome Address Redacted Catherine N Hamlin Address Redacted Catherine Patten Tinnell Address Redacted Catherine S Cameron Address Redacted Catherine S Steehler Address Redacted Catherine Sargent Address Redacted Catherine Spangelo Address Redacted Catherine Strumbos Address Redacted Catherine Thompson Address Redacted Catherine Unklesbay Address Redacted Cathie & William Kraft Address Redacted Cathleen A Munson Address Redacted Cathleen Carrasco Uwo Florence L Nimick Bny Mellon Na Trustee Address Redacted Cathleen Christopherson Address Redacted Cathleen L Innis Pollock Address Redacted Catholic Charities & Community Serv Of The Archdiocese Of Denver Inc 460 Landen Center Drive Fort Collins CO 80524 Catholic Charities Of North Dakota 5201 Bishops Blvd Ste B Fargo ND 58104 2610 University Avenue Catholic Community Foundation Of Mn Court West Suite 500 West Saint Paul MN 55114 Catholic Relief Services Us Conference Of Catholic Bishops 228 W Lexington St Baltimore MD 71201-3413 Cathryn J Godfrey Address Redacted Cathryn M Johnson Trust Dtd 08/01/87 Karen J Stay Trustee Address Redacted Cathryn M Thompson Address Redacted Cathryn Poynor Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 83 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 86 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cathryn R Clark Kellie Clark, Poa Address Redacted Cathryn Thompson Address Redacted Cathy A Johnson Address Redacted Cathy A Snedden Address Redacted Cathy D Blotter Address Redacted CATHY E. BENNETT & ASSOCIATES, INC. 217 S. STEMMONS FWY STE. 203 Lewisville TX 75067 Cathy Gillispie Le Address Redacted Cathy J Boettcher Address Redacted Cathy James Paglia Address Redacted Cathy M Hoelscher Green Address Redacted Cathy Marie Henderson Address Redacted Cathy Marks Address Redacted Cathy Moore Hunter Address Redacted Cathy Vix Address Redacted Cathy Zentner Address Redacted Cathye A Crary Address Redacted Catoctin Mountain Ventures LLC C/O Zahava Doering 542 Laguardia Place Apt 3A New York NY 10012-1467 Catron Case No 14-30175 Barry Milgrom - Chap 7 Trustee Address Redacted Catron Trust Leo A Riley Trustee Address Redacted Catterson Partnership PO Box 729 Evergreen CO 80439-0729 Pasaje Santiago Acufia N Cavali Iclv S.A. Francis Stenning 106 Lima 0-1 Peru 000 Peru Cavali Iclv S.A. Francis Stenning Pasaje Santiago Acufia N 106 Lima 0-1, Peru Peru Cavett Family Trust Karen Almquist, Succ Ttee Address Redacted Cawley Gillespie & Assoc Inc 306 West 7th Street Suite 302 Fort Worth TX 76102-4987 C-B Holdings Northwest Rev Tr Jared Andeson & Anna Remsburg - Special Trustees Address Redacted Cbc Energy-Colorado LLC 4954 E Larkspur Dr Scottsdale AZ 85254 Cbp Oil & Gas LLC 6009 West Parker #149-304 Plano TX 75093 Ccb 1998 Trust Ben J Fortson Jr Trustee Address Redacted CCG AMERICAS INC. (AND EQUITY OIL COMPANY) 16430 PARK REN PLACE Houston TX 77084 Cch Incorporated PO Box 4307 Carol Stream IL 60197-4307 Ccl Laboratories Dba Xenco Laboratories Po Box 2256 Stafford TX 77497 Ccp Properties LLC PO Box 456 Williston ND 58802-0456 Ccsw Investments LLC 1550 West Dry Creek Road Littleton CO 80120 C'Dale Jore 1310 22nd Street West Williston ND 58801 Cdc Investments LLC Doug & Carol Christensen 19 Inland Hills Court Grand Forks ND 58201 Cdk Holdings LLC 615 9th Ave Se Stanley ND 58784 Cdm Resource Management LLC PO Box 205802 Dallas TX 75320-5802 CDM RESOURCE MANAGEMENT LLC (USA COMPRESSION PARTNERS)-6083 PO BOX 205802 Dallas TX 75320-5802 Cds Clearing And Depository Services Loretta Verelli 600 Boul.De Maisonneuve Ouest Bureau 210 QC H3a 3j2 Canada Cds Clearing And Depository Services Inc.** Loretta Verelli 600 Boul.De Maisonneuve Ouest Bureau 210 Montreal QC H3a 3j2 Canada CDW PO BOX 75723 Chicago IL 60675 Cdw Direct LLC PO Box 75723 Chicago IL 60675 Ceb Jury & Trial Consultants 217 S Stemmons Freeway Ste 203 Lewisville TX 75067 Cec Trust F/B/O Eleanor C Corrigan E Christie Corrigan Trustee Address Redacted Cec Trust F/B/O Hugh Daniels Corrigan J Pat Corrigan Trustee Address Redacted Cec Trust F/B/O J P Corrigan J Pat Corrigan Trustee Address Redacted Cecelia And Paul Birdsong Address Redacted Cecelia J Weir Mineral Trust Dtd 4-10-01 H Patrick Weir & Mary Heibel Ttees Address Redacted Cecelia K Reynolds Address Redacted Cecelia Lovelace Birdsong Address Redacted Cecelia M Penman Address Redacted Cecelia Miller Address Redacted Cecelia Oshanick Christine J Clark - Poa Address Redacted Cecelia Simnioniw C/O St Lukes Nursing Home Address Redacted Cecelia Simnioniw Kathy Hecker, A-I-F Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 84 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 87 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cecil & Carol Wohlford Rev Tr Dtd February 1, 2004 Carol L Wolhford, Succ Ttee Address Redacted Cecil & Patricia Wilson Address Redacted Cecil Alg Address Redacted Cecil D Herring Address Redacted Cecil G & Wilhelma Edwards Address Redacted Cecil G Edwards Iii Address Redacted Cecil H And Isabella Darr Joint Tenants Address Redacted Cecil I Murray & Georgine A Murray, J/T Address Redacted Cecil J Daniel Trust Fbo St Josephs Catholic Church American State Bank - Trustee PO Box 1446 223 Main St Williston ND 58801 Cecil Jr & Patricia Wilson Jt Life Estate Address Redacted Cecil Leroy Stephens Address Redacted Cecil M Johnson Le Address Redacted Cecil Marlenee C/O Chartered Bank Of London 1145 San Marino Drive San Marcos CA 92069 Cecil Otto Henning Address Redacted Cecil Wilson Jr Address Redacted Cecilia Ann Knetig Carroll Address Redacted Cecilia Ann Reinauer Larsen Address Redacted Cecilia Feeney Address Redacted Cecilia France C/O Richard M Barrera Address Redacted Cecilia Goodrich Mcghee Address Redacted Cecilia Hervetta Pierce Address Redacted Cecilia L Schroeder Life Tenant Address Redacted Cecilia Ranum Address Redacted Cecilia S Oleary Address Redacted Cecilia Sivertson Warren Stenseth - Poa Address Redacted Cedar Creek Lukenbill LLC 8609 Lyndale Avenue South Suite 111 Minneapolis MN 55420 Cede & Co PO Box 20 Bowling Green Stn New York NY 10274 Cedric A Halvorson Address Redacted Cedric O Monson Address Redacted Cei Electrical Contractors PO Box 1934 Colstrip MT 59323 Ceigerkansky, Vadim Address Redacted Celeste Cochran Hurley Address Redacted Celeste E Shepard Address Redacted Celeste Grynberg Address Redacted Celeste Krenz Address Redacted Celeste Peel Address Redacted Celeste Stonecipher Address Redacted Celia Thiel Address Redacted Celina Knutson Address Redacted Celina Knutson Trust James Leland Knutson - Trustee Address Redacted Cellco Partnership d/b/a Verizon Wireless William M Vermette 22001 Loudoun County PKWY Ashburn VA 20147 Celsius Energy LLC PO Box 571 Williston ND 58802 Cenex Farmers Elevator 1281 South Central Ave Sidney MT 59270 Cenex Of Westhope Farmers Union Oil Co 25 Railway Ave East Westhope ND 58793-0345 Centennial Mineral Holdings LLC PO Box 601743 Dallas TX 75360 Centennial Petroleum Inc 1165 Delaware St Ste 200 Denver CO 80204 Centennial Resources Inc PO Box 611 Firestone CO 80520 Centennial Tools & Svcs LLC PO Box 296 Kersey CO 80644 CENTENNIAL WATER PIPELINES LLC 1200 17TH ST STE 2850 Denver CO 80202 CENTENNIAL WATER PIPELINES LLC-8349 1200 17TH ST STE 2850 Denver CO 80202 Center For Legislative Energy & Environmental Research 5400 Lbj Freeway Suite 985 Dallas TX 75240 Central Mountain Hot Oil Services Inc Po Box 1706 Roosevelt UT 84066 Central Network Retail Group LLC 241 26th St W Dickinson ND 58601 C/O CAPITOL CORPORATE CENTRAL RESOURCES, INC. SERVICES, INC 36 SOUTH 18TH AVENUE SUITE D Brighton CO 80601 Centralia Foundation Parish (Main) - Regions Bank- Succ Tr PO Box 23100 Jackson MS 39225-3100 Centro San Juan Diego 2830 Lawrence Street Denver CO 80205 Century 2000 Royalty Part Attention: Charles W Brown PO Box 587 Marlow OK 73055 Century Graphics & Sign Inc P O Box 8309 Midland TX 79708 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 85 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 88 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Centurylink 12301 Tukwila International Blvd. Tukwila WA 98168 Centurylink Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: 303-832-2174 473B Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: 73369630 Business Services Po Box 52187 Phoenix AZ 85072-2187 Centurylink Acct No: 970-407-3000 412B Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: 970-493-2900 913B Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: K-303-295-9727 117M Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: K-303-318-4563 350M Po Box 91155 Seattle WA 98111-9255 Centurylink Acct No: K-970-407-3213 411M Po Box 91155 Seattle WA 90111-9255 Centurylink Acct: 303-292-1521 804B Po Box 91155 Seattle WA 98111-9255 Centurylink Acct: 303-861-1731 425B Po Box 91155 Seattle WA 98111-9255 Centurylink Acct: 87323972 Business Services Po Box 52187 Phoenix AZ 85072 CENTURYLINK (DBA CENTURYLINK COMMUNICATIONS, LLC) ACCT NO: 970-407-3000 412B PO BOX 91155 Seattle WA 98111-9255 CENTURYLINK (DBA CENTURYLINK COMMUNICATIONS, LLC) ACCT NO: 970-407-3000 412B PO BOX 91155 Seattle WA 98111-9255 Cep 1 Trust Dtd 01-12-67 Richard S Phillips Suc Ttee R Scott Phillips Aif Address Redacted Ceranich, Connor Address Redacted Cereana Amundson Address Redacted Ceres Resource Partners LP 3838 Oak Lawn Ave Ste 425 Dallas TX 75219 Cerkoney, Sarah Address Redacted Cersonsky Legacy LLC PO Box 621804 Littleton CO 80162-1804 Certent Inc 4683 Chabot Dr Ste 260 Pleasanton CA 94588 Certus Energy Solutions 15710 JFK Blvd Ste 260 Houston TX 77032-2346 Certus Energy Solutions PO Box 204507 Dallas TX 75320-4507 Cesar M Soto Address Redacted Ceson Fh LLC 1746-F South Victoria #245 Ventura CA 93003-6549 Ceson FH LLC Clifton Simonson 1746F S Victoria Ave. 245 Ventura CA 93003 Ceson FH, LLC Clifton Simonson 1746F S Victoria Ave. 245 Ventura CA 93003 Cetera Investment Services LLC Angela Handeland Supervisor 400 1st Street South Suite 300 St. Cloud MN 56301 Cetera Investment Services LLC Attn: Ashley Roelike Corporate Actions 400 1st Street South Suite 300 St. Cloud MN 56301 Ceverha, Henry Address Redacted Cf Real Estate Investments LLC P O Box 1257 Miles City MT 59301 CGG Veritas Land (U.S.) Inc. c/o Adams and Reese LLP Attn: Scott R. Cheatham 701 Poydras Street Suite 4500 New Orleans LA 70139 CGGVeritas Land (U.S) Inc. c/o Adams and Reese LLP Attn: Scott R. Cheatham 701 Poydras Street Suite 4500 New Orleans LA 70139 CGGVERITAS LAND (U.S.) INC. 10300 TOWN PARK DRIVE Houston TX 77072 CGGVERITAS LAND (US) INC 10300 TOWN PARK DRIVE Houston TX 77072 Ch4 Energy Services LLC PO Box 7081 Williston ND 58803 Chace Associates C/O Malcolm G Chace Iv 121 South Main Street Providence RI 2903 Chaco Properties LLC Suite 1212 Lubbock TX 79401 Chacon, Elizabeth Address Redacted Chad Allen Polsfut Address Redacted Chad Anton Address Redacted Chad B & Yayoi Howell Joint Tenants Address Redacted Chad Barstad Address Redacted Chad C Semmen Address Redacted Chad Chandler Address Redacted Chad D Erickson Trust Chad D Erickson & Russell Schick Cpa - Trustees Address Redacted Chad D Rosenvold Address Redacted Chad Hanson Address Redacted Chad Harmon J/T Address Redacted Chad Klein Address Redacted Chad Kuechle Address Redacted Chad Larsen Address Redacted Chad M Gorball Address Redacted Chad M Stewart Address Redacted Chad Obrigewitch Address Redacted Chad Obrigewitch & Kimberly A Obrigewitch, J/T Address Redacted Chad P Hauris Address Redacted Chad Ryan Garza Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 86 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 89 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Chad William Bonnett Address Redacted CHADWICK L GERNAAT & TONIA C GERNAAT Address Redacted CHADWICK L. GERNAAT & TONIA C. GERNAAT, Address Redacted Challenger Crude Ltd 3525 Andrews Hwy Midland TX 79703 CHALLENGER CRUDE LTD 3525 ANDREWS HWY STE 200 Midland TX 79703-5054 CHALLENGER CRUDE LTD 3525 ANDREWS HWY Midland TX 79703 Chalmers Family Trust Jane B Chalmers Suc Ttee Address Redacted Chamberlain, James Address Redacted Chamberlin, Stephanie Address Redacted Champa Collision Center 5881 Marion Dr Denver CO 80216 Championx LLC PO Box 734817 Dallas TX 75373-4817 Chana Boyko Address Redacted Chance R Pittman Address Redacted Chance Tools Ltd P O Drawer J Kermit TX 79745 Chancellor Energy LLC 5711 S Kingston Way Englewood CO 80111 Chandel Investments LLC 400 Nolana Ste N2 Mcallen TX 78504 Chandler Energy LLC Attn Collis P Chandler Iii 50 S Steele St Ste 430 Denver CO 80209 Chandler, Camela Address Redacted Chandra Stone Address Redacted Chansamone R Tani Address Redacted Chanthy Morm Reitsma Address Redacted CHAPARRAL ENERGY 701 CEDAR LAKE BLVD Oklahoma City OK 73114 Chaparral Energy LLC 701 Cedar Lake Blvd Oklahoma City OK 73114 CHAPARRAL ENERGY, L.L.C. Address Redacted Chaparral Royalty Co PO Box 66687 Houston TX 77266 Chappell, Adam Address Redacted Charba Family LP PO Box 158 Banquete TX 78339 Charbonneau Family Trust Dtd 2-27-18 Address Redacted Charging Eagle Enterprises LLC PO Box 1035, 399 Horizon Street Killdeer ND 58640 Charisse A Gross Address Redacted Charity Address Redacted Charity M Harvey Address Redacted Charity Water Address Redacted Charla Jeanne Spence Address Redacted Charla L Bjarko Address Redacted Charleen F Mee Revocable Trust Kay Farley Marsh Successor Trtee Address Redacted Charlene A Christensen & Rhea Turner JT Ten Address Redacted Charlene A Olson Address Redacted Charlene Borders Address Redacted Charlene Bouse Clark Address Redacted Charlene C Frank Address Redacted Charlene Cornelius Address Redacted Charlene Daniel Address Redacted Charlene E Molyneaux Address Redacted Charlene Hibl Address Redacted Charlene Hogarty Address Redacted Charlene J Easeley Address Redacted Charlene Law Address Redacted Charlene Marie Eide Address Redacted Charlene Metzger Address Redacted Charlene R Borud Address Redacted Charlene Shroyer Address Redacted Charlene Sisson Address Redacted Charles & Marlene Keever Living Trust Dtd 3-14-19 Charles & Marlene Keever - Tr Address Redacted Charles & Olena Wolf Family Trust Address Redacted Charles A Armitage Address Redacted Charles A Garcia Address Redacted Charles A Hitt Address Redacted Charles A Hoff Address Redacted Charles A Klink Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 87 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 90 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Charles A Macfall Jr Rev Trust Charles A Macfall Iii Ttee Address Redacted Charles A Racus C/O Garlan D Racus Address Redacted Charles A Roeber Address Redacted Charles A Sands Address Redacted Charles A Skinner Address Redacted Charles A Treney Address Redacted Charles And Janis Schenck Revocable Trust - Charles & Janis Schenck - Trustees Address Redacted Charles And Persis Nehring Family Trust Cg Schillo, Dr Nehring, Ka Nehring Co-Trustees Address Redacted

Charles B Cartier - Trustee Of The Cartier Family Trust Address Redacted Charles B Heringer Iii Ttee Address Redacted Charles B Malicki & Betty J Malicki Address Redacted Charles B Stutts Jr Address Redacted Charles B West Address Redacted Charles B Winn Jr Address Redacted Charles B Winn Jr c/o DAUM Commercial 4400 MacArthur Blvd., #950 Newport Beach CA 92660 Charles Ballantyne Address Redacted Charles Benjamin Faust Address Redacted Charles Biksen C/O Lorraine Schmelzer Address Redacted Charles Boyer Address Redacted Charles Burnett Dunn Ttee Charles Burnett Dunn Trust Address Redacted Charles C And Fern Mcdonald Joint Tenants Address Redacted Charles C Wilder Address Redacted Charles Carpenter Address Redacted Charles Ceynar Le Address Redacted Charles Clayton Brammer Address Redacted Charles Clement Somers Jr Address Redacted Charles Clifford Pratt Address Redacted Charles D & Irene M Meduna Joint Tenants Address Redacted Charles D Hart Address Redacted Charles D Mcadams Trust Fbo Charles D Mcadams Jr C/O Keybank Unique Assets Dept Address Redacted Charles D Mcgee Address Redacted Charles D Mcmurrey - Deceased Address Redacted Charles D Mcmurrey Janet Mcmurrey Tallichet Aif Address Redacted Charles D Meduna Address Redacted Charles D Pintler Address Redacted Charles D Robinson Address Redacted Charles D West Iii Address Redacted Charles D Wolf Address Redacted CHARLES D. WILKINSON C/O PRINGLE & HERIGSTAD, P.C. ATTN: REED A. SODERSTROM 2525 ELK DRIVE PO BOX 1000 Minot ND 10292 2525 Elk Drive PO BOX Charles D. Wilkinson C/O Pringle & Herigstad, P.C. Attn: Reed A. Soderstrom 1000 Minot ND 58701 Charles Dahl And Karen Dahl Address Redacted Charles David Luther Address Redacted Charles David Moline Address Redacted Charles Decarlo Address Redacted Charles Dobias Address Redacted Charles Donald Secrest Address Redacted Charles Durr Address Redacted Charles E Baumchen Address Redacted Charles E Brien Address Redacted Charles E Eiriksson Jr Address Redacted Charles E Ervin Address Redacted Charles E Fairman Address Redacted Charles E Hinkle Address Redacted Charles E Howard Address Redacted Charles E Landberg Address Redacted Charles E Poole Ii Address Redacted Charles E Schaubel Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 88 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 91 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Charles E Stillings Address Redacted Charles E Tollefson Address Redacted Charles Edward Marshall Address Redacted Charles F Doornbos Revocable Trust Charles F Doornbos Ttee Dated08/01/90 Address Redacted Charles F Heman Estate Address Redacted Charles F Jekel Address Redacted Charles F Russell Address Redacted Charles F Snow Address Redacted Charles Francis Wilke & Ruth D Wilke L/E Address Redacted Charles Franklin Bolton Address Redacted Charles Frederick Starr Address Redacted Charles Gleason Address Redacted Charles Gregory Smith Trust U/W/O B.B. Giles Dtd 7/11/85 Farmers National Co Agent Address Redacted Charles Gregory Smith Trust U/W/O Cc Giles Dtd 5/29/91 Farmers National Co Agent Address Redacted Charles Gus Glasscock Iii Address Redacted Charles H & Deborah Miles Joint Tenants Address Redacted Charles H Adam Address Redacted Charles H Berman Address Redacted Charles H Franklin Revoc Tr Dtd 1/15/2000 Charles Franklin And Deborah Torbet Co Ttees Address Redacted Charles H Gad Address Redacted Charles H Hoelscher Address Redacted Charles H Osterberg Address Redacted Charles H Powell Address Redacted Charles H Vedvick & Dorothy Vedvick Address Redacted Charles Hall Youth Services PO Box 1995 513 Bismarck Expy Bismarck ND 58502 Charles Harman Address Redacted Charles Henry Barineau Address Redacted Charles Henry Putney C/O Rbc Wealth Management 805 Sw Broadway Ste 1800 Portland OR 97205 Charles Herbert Jacobson Address Redacted Charles Howard Greer Turner Weda P Robinson Agent & Aif Address Redacted Charles Hull Address Redacted Charles Huschka Address Redacted Charles J Calise Address Redacted Charles J Dahl Address Redacted Charles J Frank Address Redacted Charles J Kamensky Address Redacted Charles J Karsky Address Redacted Charles J Kessel Jr & Dawn Kessel Address Redacted Charles J Maly Address Redacted Charles J Oconnor Family Trust Charles J Oconnor Trustee Address Redacted Charles J Peterson Min Tr Dtd 8/18/11 Charles J Peterson Trtee Address Redacted Charles J Wheeler Address Redacted CHARLES J. RIMER Address Redacted Charles Jaakola Address Redacted Charles Jablonsky & Arlene Jablonsky, H/W Address Redacted Charles Jacobson Address Redacted Charles Joseph Jr & Vivian B Joseph Address Redacted Charles K Stevens Address Redacted Charles Kent Martin Address Redacted Charles Kessel & Leona Kessel Address Redacted Charles L & Ardyth A Mosby Jt Address Redacted Charles L Calcote Address Redacted Charles L Dobbs Address Redacted Charles L H Nimick Uwo Florence L Nimick Bny Mellon Na Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 89 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 92 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Charles L Mack Address Redacted Charles L Mccain Address Redacted Charles L Mitchell Address Redacted Charles L Neff Address Redacted Charles L Scofield Address Redacted Charles Landis Address Redacted Charles Lee Barfield Jr Address Redacted Charles Lee Milham Address Redacted Charles Lee Ring Address Redacted Charles Leroy Butcher Address Redacted Charles Leslie Alford Address Redacted Charles Lockhart Ins Tr Agrmt For Charles Lockhart Iii Bny Mellon Na Co-Trustee Address Redacted Charles M Hardy Address Redacted Charles M Mccann 1998 Fam Trs Address Redacted Charles M Palmer Address Redacted Charles M Tompkins Address Redacted Charles M Will Address Redacted Charles M. Greef Address Redacted Charles Max Stewart Address Redacted Charles McIntyre Trust Address Redacted CHARLES MCLAUGHLIN LLC PO BOX 1427 Duncan OK 73534 Charles Mulcahy Address Redacted Charles Noel Tompkins Address Redacted Charles O Dalton Address Redacted Charles O Maki & Gloria A Maki Joint Tenants Address Redacted Charles Ott Address Redacted Charles P Dahl Address Redacted Charles P Mcilwain Address Redacted Charles R & Julie Ann Flynn Address Redacted Charles R & Lisa A Tompkins Address Redacted Charles R Blackwood Address Redacted Charles R Danielson Address Redacted Charles R Davis & Teri Lynn Davis Benefield Jtwros Address Redacted Charles R Estee C/O Charles S Estee Address Redacted Charles R Estee Estate C/O Charles S Estee Address Redacted Charles R Flynn Address Redacted Charles R Kittleson Address Redacted Charles R Klein Address Redacted Charles R Meeker Tr 01/0308400 Bank Of America Ttee Address Redacted Charles R Patterson Address Redacted Charles R Qualia Address Redacted Charles R Sherman Address Redacted Charles R Spetnagel Mary Spetnagel Executor Address Redacted Charles R Tompkins Gst Exemption Residuary Trust Address Redacted Charles R Travis And Ella M Travis Trustees Of The Travis Family Living Trust Address Redacted Charles R West Address Redacted Charles R West & Mary Jo West Trustees Address Redacted Charles R West And Mary Jo West Trust Cynthia L Wilson And Sharon K Lafferty Trustees Address Redacted Charles R Wiggins Address Redacted Charles Ray Squyres Address Redacted Charles Robinson IV Address Redacted Charles Roger Van Nurden 144 Hunter Road Longview WA 98632 Charles Rollin Powell Address Redacted Charles Romo 57 Sunny Hills Dr Glasgow MT 59230 Charles S Douglas Address Redacted Charles S Nefsky Address Redacted Charles S Nefsky Trtee Charles S Nefsky Lvng Tr 36244 Address Redacted Charles S Platisha 339 5th Ave Sw Hutchinson MN 55350 Charles Schwab & Co., Inc. Christina Young 2423 E Lincoln Drive Phoenix AZ 85016-1215 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 90 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 93 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Charles Schwab & Co., Inc. Corporate Actions Dept.: 01-1b572 Christina Young 2423 E Lincoln Drive Phoenix AZ 85016-1215 Charles Sheer Trust Brenda Barnes, Trustee Address Redacted Charles Simon Address Redacted Charles Sivak Address Redacted Charles Steven Estee Address Redacted Charles Stevens & Margaret Ann Stevens Joint Tenants Address Redacted Charles Stillings Address Redacted Charles Stillings Trust Univ Of New Hampshire Ttee Address Redacted Charles Sutherland Address Redacted CHARLES T & RUTH FAY INTER Address Redacted Charles T & Ruth Fay Inter Vivos Tst, Elaine C Kinnard & Stephanie L Fay - Co-Trustees Address Redacted Charles T Bachrach Address Redacted Charles T Donlin Address Redacted Charles Tostenson Address Redacted Charles V Bibler Address Redacted Charles Vincent Tattu Address Redacted Charles W & Patty N Brown LLC PO Box 587 Marlow OK 73055 CHARLES W & PATTY N BROWN LLC PO BOX 587 Marlow OK 73055

Charles W Austin Estate Mary Austin-Butler Personal Re Address Redacted Charles W Burnett Address Redacted Charles W Flint Address Redacted Charles W Schueddig Address Redacted Charles Wade Hunter George Brian Hunter Paul Kirk Address Redacted Charles Weiner Gst Non-Exempt Marital Deduction Trust Anita Weiner - Trustee Address Redacted Charlie Rotzien & Lucille Rotzien Jt Address Redacted Charlie Wiley Address Redacted Charlotte & Hugh Hlebechuk Trustees Of That Certain Trust Address Redacted Charlotte A Fogel C/O Theodore Svor Address Redacted Charlotte A Wolfe Address Redacted Charlotte Berg Kuechle Address Redacted Charlotte C Wheat Address Redacted Charlotte E Welty Address Redacted Charlotte Engleson Address Redacted Charlotte Feist Address Redacted Charlotte Ficek Life Tenant Address Redacted Charlotte Furrh Robinson Tr Charlotte Furrh Robinson Trst River Place At Port Royal Address Redacted Charlotte Glatt Address Redacted Charlotte Guinn Address Redacted Charlotte Hlebechuk Address Redacted Charlotte J Norgren Address Redacted Charlotte Lien-Dickerson Address Redacted Charlotte M Mckay C/O Richard D Mckay Poa Address Redacted Charlotte Mcfarland Address Redacted Charlotte Mohler Fka Charlotte Ellis Address Redacted Charlotte P Cooper Address Redacted Charlotte Parks Kimberlin Tr Charlotte Parks Kimberlin Ttee Address Redacted Charlotte Payette Address Redacted Charlotte Schilke Address Redacted Charlotte Simonson Address Redacted Charlotte Sue Parsons Address Redacted Charlotte Ulmer Address Redacted Charlotte W Thompson Address Redacted Charlotte Welty Estate Jeanette L Welty- Pr Address Redacted Charmaine I Wegner Address Redacted Charmaine Jaeger Address Redacted CHARMETRA NICOLE BEAN Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 91 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 94 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Charolet C Wood Address Redacted Chart Cooler Service Company PO Box 88968 Chicago IL 60695-1968 Charter Energy Partners LLC 1999 Broadway Ste 4320 Denver CO 80202-5749 Charter Royalty 96 Ltd PO Box 3253 Midland TX 79702 Chase C Mclaughlin Address Redacted Chase Eikom Address Redacted Chase Oil Corp PO Box 1767 Artesia NM 88211-1767 Chase R Hamilton Address Redacted Cha-Shk Legacy LLC C/O W. Douglas Ankenman, Jr. 1 Greenway Plz Ste 700 Houston TX 77046 Chatfield Company C/O Zick Business Advisors Inc 16 Inversness Place East Bld C Englewood CO 80112 Chatfield Dp LLC Address Redacted CHATFIELD DP, LLC 10320 N CHARTFIELD DRIVE Littleton CO 80125 Chau Hoang Address Redacted Chaunce Hubbard Thompson Address Redacted Chaunce O Thompson Jr Address Redacted Chauncey Van Alstine Address Redacted Chauntel M Nessmith Address Redacted

Chavez, James Address Redacted Checkers Inc P O Box 899 Sidney MT 59270 Chelgren, Scott Address Redacted Chelsea Ann Bathrick Address Redacted Chelsea Jones Address Redacted Chemetron Corp Address Redacted Chemical Weed Control Inc PO Box 512 Brownfield TX 79316 Chemily Management Company 11131 Mccracken Circle Ste A Cypress TX 77429-4462 Chemoil Corp 4 East Sheridan Ste 400 Oklahoma City OK 73104 Chemoil Corporation Attn: Chad O'Neil 40 E. Sheridan Avenue Suite 400 Oklahoma City OK 73104 Chemtrec Accounts Receivable Po Box 791383 Baltimore MD 21279-1383 Cheney Revocable Trust Dtd 01/23/90 Mavis Anne Sauer Trustee Address Redacted Cheng, Liwei Address Redacted Cheng, Siu Fai Address Redacted Chenine Wozniak Address Redacted Chere Linn Holz Address Redacted Cheri Frye Address Redacted Cheri Petersen Address Redacted Cheri Rozann Bates Address Redacted Cheridan Oil & Gas Invt LLC PO Box 3285 Wenatchee WA 98807 Cherie L Darr Living Trust Cherie L Darr - Trustee Address Redacted Cherle Tellefson Stephenson Address Redacted Cherlyn Biwer Address Redacted Cherlyn K Biwer Neal E Biwer Address Redacted Cherokee Debt Acquisition, LLC Attn: Vladimir Jelisavic 1384 Broadway Suite 906 New York NY 10018 CHEROKEE DEBT ACQUISITION, LLC VLADIMIR JELISAVCIC 1384 BROADWAY SUITE 906 New York NY 10018 Cherokee Legacy Minerals Ltd PO Box 3217 Albany TX 76430 Cherokee Minerals LP PO Box 2272 Longview TX 75606 Cherokee Ranch & Castle Foundation 6113 N Daniels Park Rd Sedalia CO 80135 Cherokee Royalty Corporation 2550 Simms St Lakewood CO 80215 CHEROKEE ROYALTY CORPORATION 2550 SIMMS ST Lakewood CO 80215 Cherokee Warrior Inc PO Box 399 Garden City KS 67846 CHEROKEE WARRIOR INC PO BOX 399 Garden City KS 67846 Cherril Ann Routh Address Redacted Cherry Creek Oil & Gas LLC PO Box 6301 Denver CO 80206 CHERRY CREEK OIL & GAS LLC PO BOX 6301 Denver CO 80206 Cherry Creek Radio PO Box 2048 Williston ND 58802 Cherry Harmon Sears Address Redacted Cherry Jeske Address Redacted Cheryl A Carlan Address Redacted Cheryl A Deck Address Redacted Cheryl A Gaebel Address Redacted Cheryl A Kirchner Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 92 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 95 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cheryl A Manning & David D Manning J/T Address Redacted Cheryl A Moore Address Redacted Cheryl A White Address Redacted Cheryl Adam Address Redacted Cheryl Ann Backous Address Redacted Cheryl Ann Drewyor Address Redacted Cheryl Ann Leveen Address Redacted Cheryl Anne Hapip Address Redacted Cheryl Brown Address Redacted Cheryl C Burkin Address Redacted Cheryl Erickson Address Redacted Cheryl Fedje Address Redacted Cheryl Halphide Kirkendall Address Redacted Cheryl Hanson Address Redacted Cheryl Haugenoe Address Redacted Cheryl Howard Address Redacted Cheryl J Bruner Address Redacted Cheryl J Dahl Address Redacted Cheryl Kay Kasper Address Redacted Cheryl Kieckhefer Mertens Address Redacted Cheryl King Address Redacted Cheryl L Ferguson Address Redacted Cheryl L Mellenthin Address Redacted Cheryl L Orth Address Redacted Cheryl L Retzer Address Redacted Cheryl L Steffan Address Redacted Cheryl L Van Gorden Address Redacted Cheryl L. Howard Address Redacted Cheryl Lynn Craven Address Redacted Cheryl M Northern Address Redacted Cheryl M Robinson Address Redacted Cheryl M Willey Address Redacted Cheryl Marie Elken Lechler Address Redacted Cheryl Mcconnell Address Redacted Cheryl Metzger Address Redacted Cheryl Ochsner Address Redacted Cheryl Overton Address Redacted Cheryl R Clark Address Redacted Cheryl R Garr Address Redacted Cheryl R Kroner Libby Kroner Address Redacted Cheryl Retzer Mineral Trust Cheryl Retzer - Trustee Address Redacted Cheryl Riedel Address Redacted Cheryl Roark'S Family Trust Cheryl Roark Trustee Address Redacted Cheryl Simpson Address Redacted Cheryl Stevison Address Redacted Cheryl V Hasenkamp Address Redacted Cheryl Wegley Address Redacted Cheryle F Pike & David L Pike As Jts Address Redacted Cheryle Marie Nicholi Address Redacted CHESAPEAKE ENERGY CORPORATION P.O. BOX 18496 Ok City OK 73154-0496 Chesapeake Exploration LLC 6100 N Western Avenue Oklahoma City OK 73118 Chesapeake Exploration LLC PO Box 203892 Dallas TX 75320-3892 Chesapeake Exploration LP C/O Chesapeake Operating Inc PO Box 203892 Dallas TX 75320-3892 Chesapeake Mid-Continent Corp PO Box 99810 Oklahoma City OK 73199 CHESAPEAKE OPERATING, INC P.O. BOX 18496 Ok City OK 73154 Chesapeake Royalty LLC PO Box 18496 Oklahoma City OK 73154 Chessman Energy LLC 33722 Meadow Mountain Rd Evergreen CO 80439 Chesson, Ann Address Redacted Chester Barstad Address Redacted Chester E Nelson Jr Address Redacted Chester E Nelson Jr Estate Dale A Ekstrom - Pr Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 93 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 96 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Chester H Westfall Iii Address Redacted Chester Hale & Brooke Hale Jt Address Redacted Chester Hamers Life Estate Address Redacted Chester L F Paulson Address Redacted Chestnut Hill Benevolent Assoc 910 Boylston St Chestnut Hill MA 02467 Chevaya R Weaver Jacquelyne S Dietz, Custodian Nd Uniform Transfers To Minors Address Redacted CHEVRON 6001 BOLLINGER CANYON RD San Ramon CA 94583-2324 Chevron Community Foundation Attn Corp Accounting 6001 Bollinger Canyon Rd, A3124B San Ramon CA 94583 Management Company Attn: Jean Chevron Environmental Thibodeaux 100 Northpark Blvd Room S3178B Covington LA 70433 CHEVRON ENVIRONMENTAL MANAGEMENT ATTN: CEMC DECOMMISSIONING COMPANY MANAGER 1000 SOUTH HILL ROAD SUITE 215 Ventura CA 93003 Chevron Environmental Management Company c/o Andrews Myers Attn: Edward L. Ripley 1885 Saint James Place 15th Floor Houston TX 77056 CHEVRON HARVEST LLC C/O CHEVRON U.S.A. INC. 1500 LOUISIANA STREET Houston TX 77002 Chevron North America Exploration & Production Co PO Box 730436 Dallas TX 75373-0436 CHEVRON NORTH AMERICA EXPLORATION AND PRODUCTION COMPANY 11111 SOUTH WILCREST Houston TX 77099 C/O THE PRENTICE-HALL CHEVRON PIPE LINE COMPANY CORPORATION SYSTEM, INC 320 SOMERULOS ST. Baton Rouge LA 70802 CHEVRON TEXACO PO BOX 846 Maysville OK 73057 CHEVRON TEXACO PO BOX 846 Maysville OK 73057 CHEVRON U.S.A. HOLDINGS, INC. ATTN: ANGIE WANG C/O CHEVRONTEXACO P.O. BOX 6028 San Ramon CA 94583 Edward L. Ripley and Emily 1885 Saint James Place, Chevron U.S.A. Inc. Andrews Myers, P.C. Blackwell 15th Floor Houston TX 77056 CHEVRON U.S.A. INC. ATTN: A. SANDY CORNELIUS 646 COUNTY SQUARE DRIVE Ventura CA 93003 CHEVRON U.S.A. INC. ATTN: LAND MANAGER 100 NORTHPARK BLVD. Covington LA 70433 Attn: Edward L. Ripley, Lisa M. 1885 St. James Place, 15th Chevron U.S.A. Inc. c/o Andrews Myers, P.C. Norman and Patrick A. Kelly Floor Houston TX 75506 1885 Saint James Place, 15th Chevron U.S.A. Inc. Emily Blackwell Edward L. Ripley Andrews Myers, P.C. Floor Houston TX 77057 Chevron Usa P O Box J Section 917 Concord CA 94524-2060 Chevron Usa Inc PO Box 730436 Dallas TX 75373-0435 Chevron USA Inc Attn: Michael K. Wirth 6001 Bollinger Canyon Road San Ramon CA 94583 Chevron Usa Inc PO Box 730121 Dallas TX 75373-0121 Chevron Usa Inc. Attn: Land Manager 100 Northpark Blvd. Covington LA 70433 Chevron Usa Production Co PO Box 730180 Dallas TX 730180 Cheyanne Allen Address Redacted Cheyenne Petroleum Co 14000 Quail Springs Parkway Suite 2200 Oklahoma City OK 73134 Cheyenne Resources LLC PO Box 2177 Oklahoma City OK 73101 CHEYENNE RESOURCES LLC PO BOX 2177 Oklahoma City OK 73101 Cheyenne Royalties LLC PO Box 2850 Casper WY 82602 Chi Health At Home 4816 Amber Valley Parkway Fargo ND 58104 CHIEF OILFIELD SERVICES LLC PO Box 183 South Heart ND 58655-0183 Chief Oilfield Services LLC 40 1st Ave West Dickinson ND 58601 Chieftain Exploration Co PO Box 19737 Houston TX 77224-9737 Chieu H. Giang Address Redacted Child Bridge Address Redacted Childrens Museum Of Minot Inc Magic City Discovery Center Po Box 751 Minot ND 58702-0751 Childress Investments LP 101 Fm 1467 S Zephyr TX 76890 Chilton Land & Livestock Inc 1518 Albany Circle Rock Springs WY 82901 Chimney Hill Resources LLC PO Box 471732 Dallas TX 76147 Chivooil LLC PO Box 3061 Midland TX 79702 Chlotiel K Martin Partnership C/O Stephanie Martin 4034 Marquette Houston TX 77005 Choctaw Energy LP PO Box 6387 San Antonio TX 78209 Choctaw Ii Oil & Gas Ltd 815 Walker, Ste 1610 Houston TX 77002 Choice Financial Group PO Box 1117 Belfield ND 58622 Chollett, Shannon Address Redacted Chon Neville Address Redacted Chorus Call Inc PO Box 3830 Pittsburgh PA 15230-3830 Chorus Call Inc PO Box 3830 Pittsburgh PA 15230-3830 Chorus Call, Inc. Attn: Mary Barron 2420 Mosside Blvd. Monroeville PA 15146 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 94 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 97 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Chris & Gerry Mcgree LLC 206 Lester Ave Yakima WA 98902 CHRIS & GERRY MCGREE LLC 206 LESTER AVE Yakima WA 98902 Chris A Moe Address Redacted Chris A Nelson Address Redacted Chris Anderson Address Redacted Chris Ann Wills Address Redacted Chris Bokemeier Address Redacted Chris Cebell Address Redacted Chris Clark Address Redacted

Chris Clyde Anna Remsburg - Poa Jared Anderson - Poa Address Redacted Chris D Perner Bypass Trust Michael Stephens Perner As Trustee U/W/O Address Redacted CHRIS EDWARDS Address Redacted Chris H Roningen Address Redacted Chris J Myhre Address Redacted Chris Lee Parks Address Redacted Chris M Hayden Address Redacted Chris Simonis Address Redacted Chris Thrower Address Redacted Chris Van Way Address Redacted Chris Zacher Address Redacted Chrisman, Robert Address Redacted Chrismon, Randolph Address Redacted Christ P Madsen Address Redacted Christ Presbyterian Church John Mitchell Address Redacted Christ, Constance Address Redacted Christa Ann Blackwood Address Redacted Christen Schutte-Sanders Address Redacted CHRISTENSEN WORKING INTEREST LLC 2307 BOYD AVE. Midland TX 79705 Christensen Working Interests LLC 2307 Boyd Ave Midland TX 79705 Christensen, Allison Address Redacted Christi M Roberts Brinda Address Redacted Christian & White Properties Address Redacted Christian And Missionary Alliance Church Of Fairview PO Box 325 Fairview MT 59221 Christian B Baird Address Redacted Christian G. Kuntz & Susan P. Kuntz Address Redacted Christian H Laemmle & Elvira E Laemmle Address Redacted Christian K Johnson Address Redacted Christian Lee Leroux Address Redacted Christian Phillips Trust U/W Audrey Davanay 07/30/00 Shirley Jean Phillips Ttee Address Redacted Christianson Family Mineral Tr Paulette Marsh Trustee Address Redacted Christianson, Kyle Address Redacted Christie Alexander Address Redacted Christie Buzalsky Ttee Todd Ginther Special Needs Tr Address Redacted Christie I Buzalsky Address Redacted Christie K Burton Address Redacted Christie Lea Holt Address Redacted Christie Renee Ward Address Redacted Christin Ann Ortloff Address Redacted Christina Hawn Hoover Address Redacted Christina K Smith Address Redacted Christina Kenney Address Redacted Christina L Nugent Address Redacted Christina Marie Mahtook Address Redacted Christina Oneill Address Redacted Christine A Williams Address Redacted Christine Aftem Address Redacted Christine Ann Ellerd Address Redacted Christine C Jones Address Redacted Christine C Suny Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 95 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 98 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Christine Corliss Address Redacted Christine Daly Address Redacted Christine E Coleman Address Redacted Christine E Fantz Address Redacted Christine Finder Address Redacted Christine Gaffaney Address Redacted Christine H Kennedy Address Redacted Christine Harrison Oien Address Redacted Christine Hexom Address Redacted Christine Ida Mae Brown Address Redacted Christine J Clark Steve & Cecelia Oshanick Trust Dtd 11/20/08 Address Redacted Christine J Dyer Address Redacted Christine J Heath Address Redacted Christine Loosen Richardson Address Redacted Christine M Benson Address Redacted Christine M Nelson Address Redacted Christine Marie Nesheim Address Redacted Christine Mcdermott Address Redacted Christine N Hystad Address Redacted Christine O H Oien Trust Christine O H Oien, Trustee Address Redacted Christine R Hendon Address Redacted Christine R Jorgenson Address Redacted Christine Regalado Address Redacted Christmann, Eldon Address Redacted Christmas For Kids Inc Address Redacted Christobel Kay Shafer Address Redacted Christofer Jason Mcilwain Address Redacted Christofferson, Kyle Address Redacted Christopher & Javon Wahus J/T Address Redacted Christopher A Hardy Address Redacted Christopher A Moyer Address Redacted Christopher A Woods Address Redacted Christopher Alfredson Address Redacted Christopher Ambrose Du Passage Address Redacted Christopher Children Ptnshp Farmers National Co Manager Address Redacted Christopher D Allen Address Redacted Christopher D Allen & Christine A Allen Ttees Allen Family Trust Dtd 5/3/94 Address Redacted Christopher D Anderson & Terrie Rae Anderson J/T Address Redacted Christopher D Roland C/O Joan Roland Address Redacted Christopher David Mai Address Redacted Christopher David Nelson Address Redacted Christopher Edu Pray - Minor Delores Pray - Natural Guardian Address Redacted Christopher Ford Choyke/Charles Schwab & Co Custodian IRA Contributory Address Redacted Christopher H & Jane D Clark Joint Revocable Trust Christopher & Jane Clark - Tr Address Redacted Christopher H Daws Address Redacted Christopher Huston Address Redacted Christopher J Bradley Address Redacted Christopher J Clemmensen Address Redacted Christopher J Ebright Address Redacted Christopher J Hegge Address Redacted Christopher J Warme Revocable Trust Address Redacted Christopher Jay Schmidt Address Redacted Christopher John Braun Address Redacted Christopher Keillor Address Redacted Christopher Kenow Address Redacted Christopher Kunst Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 96 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 99 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Christopher L & Janice Martens Address Redacted Christopher L Boone Address Redacted Christopher L Gunderson Trust Dtd 12-28-16 - Christopher Gunderson - Trustee Address Redacted Christopher L Northern & Cheryl M Northern, H/W Address Redacted Christopher L Reetz Address Redacted Christopher L Tiger & Priscilla R Tiger Co-Ttees Tiger Family Trust Address Redacted CHRISTOPHER L. EDWARDS Address Redacted Christopher Lee Address Redacted Christopher Lee Gunderson Trst Dtd 5-23-09 Rick Gunderson, Trustee Address Redacted Christopher Mark Fetrow Address Redacted Christopher N. Neugebauer Address Redacted Christopher Nguyen and Huong Ha Address Redacted Christopher Oman Address Redacted Christopher Parker Bailey Address Redacted Christopher R Carlson Address Redacted Christopher R F Eckels Address Redacted Christopher R Forthun Address Redacted Christopher Riveland Address Redacted Christopher Rodriguez Address Redacted Christopher Ross Address Redacted Christopher S. Ross Address Redacted Christopher Sheridan Address Redacted Christopher T Horne Address Redacted Christopher Vallevik Address Redacted Christopher W Bigney Address Redacted Christopher W Uggen Address Redacted Christopher Wahus Address Redacted Christy Ann Beyl C/O Renee Turner Address Redacted Christy Dore Address Redacted Christy L Mcgrath Address Redacted Christy Link Briggs Succ Ttee Kristie Fehr Briggs Family Living Trust Address Redacted Christy S Wood Address Redacted Christy Wangberg Address Redacted Chrysalis MSP, LLC c/o Wells & Cuellar, P.C. Attn: James E. Cuellar 440 Louisiana Suite 718 Houston TX 77002 Chs Inc Nw 9087 Box 1450 Minneapolis MN 55485-9087 Chs Inc/M&M Cooperative PO Box 184 Yuma CO 80759 Chuck A Godlasky Address Redacted

Church Of Jesus Christ Of Latter-Day Saints Westminster Ward 1951 Elmwood Lane Denver CO 80221

CHURCH OF LATTER-DAY SAINTS 139 EAST SOUTH TEMPLE STREET Salt Lake City UT 84111 Church Of The Ascension PO Box 1137 Bismarck ND 58502-1137 Church Of The Nazarene Prairie Lakes District PO Box 20 Oakes ND 58474 Churillo, Brian Address Redacted Canadian Imperial Bank Of 22 Front St. W. 7th Fl (Attn. Cibc World Markets Inc./CDS** Corporate Actions Roderick Roopsingh Commerce Corp. Act) Toronto ON M5j 2w5 Canada Cimarex Energy Co 4031 Solutions Center Chicago IL 60677-4000 Cimarron Energy Inc PO Box 679882 Dallas TX 75267-9882 Cindi Marie Houtkooper Address Redacted Cindi Whiting Address Redacted Cindy Berry Address Redacted Cindy C Mccaffree Address Redacted Cindy Eilrich Address Redacted Cindy Garaas Address Redacted Cindy Gustafson Address Redacted Cindy Hagler Trust No 1 Rick Lee - Succ Trustee Address Redacted Cindy Hall Address Redacted Cindy Hayden Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 97 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 100 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cindy Hoeller Address Redacted Cindy Hooker Address Redacted Cindy I Johnston Address Redacted Cindy J Deegan Hanni J Deegan - Trustee Address Redacted Cindy K Styles Trust Share Cindy K Styles & Russell Schick Cpa - Trustees Address Redacted Cindy Klein Address Redacted Cindy Knels Address Redacted Cindy Kvilvang Address Redacted Cindy L Bengtson Address Redacted Cindy L Christiansen Address Redacted Cindy L Wiese Address Redacted Cindy Larreau Address Redacted Cindy Mahlum Address Redacted Cindy March Address Redacted Cindy R Bakken Address Redacted Cindy Roth Weeks Address Redacted Cindy Sailer Address Redacted Cindy Schneider Address Redacted Cindy Stevens Address Redacted Cindy Sylte Address Redacted Cindy Vandermark Address Redacted Cintas First Aid & Safety Location 390 Cintas Corporation 2 Po Box 631025 Cincinnati OH 45263-1025 Circadian Technologies Inc 2 Main Street, Ste 310 Stoneham MA 02180-3336 Circle 2-Waddell LLC 9 Cherrywood Cir Odessa TX 79761 Circle 9 Johnson Family Minerals Trust Arlene M. Johnson Trustee Address Redacted Circle B Measurement & Fabrication Llc 14034 E Marshall St Tulsa OK 74116 Circle M Energy Ltd PO Box 2309 Fredericksburg TX 78624 Circle Squared LLC 9609 S University Blvd #630055 Highlands Ranch CO 80130-9998 CIRCLED DIAMOND PETROLEUM LLC PO BOX 65 Arnegard ND 58835 Circled Diamond Petroleum LLC Attn Mark W Schultz PO Box 65 Arnegard ND 58835 Circling Eagle Energy LLC 6770 Ashwood Loop Fargo ND 58104-5768 Cirrus Minerals LLC PO Box 51747 Lafayette LA 70505-1747 Cisco Systems Capital Corp PO Box 742927 Los Angeles CA 90074-2927 CISCO SYSTEMS CAPITAL CORPORATION 9850 DOUBLE R BLVD. 1ST FLOOR Reno NV 89521-3859 Attn: Lawrence Schwab/Kenneth T. Cisco Systems Capital Corporation c/o Bialson, Bergen & Schwab Law 633 Menlo Ave., Suite 100 Menlo Park CA 94025 Cissell, David Address Redacted Citadel Clearing LLC Kevin Newstead / Rachel Galdones 131 South Dearborn Street 35th Floor Chicago IL 60603 Citadel Securities LLC Kevin Newstead Corporate Actions 131 South Dearborn Street 35th Floor Chicago IL 60603 Citadel Securities LLC Rachel Galdones Corporate Actions 131 South Dearborn Street Chicago IL 60603 Citation 1994 Investment LP 14077 Cutten Rd Houston TX 77069-2212 Citation 2002 Investment LP 14077 Cutten Rd Houston TX 77069-2212 CITATION 2002 INVESTMENT LP 14077 CUTTEN RD Houston TX 77069-2212 Citation 2004 Investment Ltd Partnership 14077 Cutten Rd Houston TX 77069-2212 Citation 2004 Investments LLC 14077 Cutten Road Houston TX 77069-2212 Citation Oil & Gas Corp 14077 Cutten Rd Houston TX 77069-2212 Citation Oil & Gas Corp Attn:Joint Interest Operations 14077 Cutten Rd Houston TX 77069-2212 Citation Oil & Gas Corporation 14077 Cutten Road Houston TX 77069-2212 Citi Bank 388 Greenwich Street New York NY 10013 CITIBANK NA Legal Department 388 Greenwich Street 10th Floor New York NY 10013

ATTN: CAPITAL MARKETS C/O DIRECTOR OF CITIBANK, N.A. DOCUMENTATION UNIT 388 GREENWICH STREET 17TH FLOOR DERIVATIVE OPERATIONS New York NY 10013 Citibank, N.A. Paul Watters 3801 Citibank Center B/3rd Floor/Zone 12 Tampa FL 33610 Citibank, N.A. Sherida Sinanan 3801 Citibank Center B/3rd Floor/Zone 12 Tampa FL 33610

Citibank, N.A./ETF Elizabeth Gabb Director 3800 B2/2 Tampa FL 33610 CITIGROUP GLOBAL MARKETS INC./SALOMO SHERRYL NASH-COOK 388 GREENWICH STREET 11TH FLOOR New York NY 10013 CITIGROUP GLOBAL MARKETS INC./SALOMON BROTHERS ATTN: CORPORATE ACTIONS 111 WALL STREET 6TH FLOOR New York NY 10005 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 98 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 101 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country CITIGROUP GLOBAL MARKETS INC./SALOMON CORPORATE ACTIONS BROTHERS DEPARTMENT 388 GREENWICH STREET 11TH FLOOR New York NY 10013 Citigroup Global Markets, Inc./Correspondent Clearing Correspondent Clearing Abigail Davies 388 Greenwich Street 11th Floor New York NY 10013 Citizens Bank Wealth Mgmt N.A. Trustee Of Pauline A Briggs Living Trust Fbo Carole Briggs Address Redacted Citizens Bank Wealth Mgmt N.A. Trustee Of Pauline A Briggs Living Trust Fbo Ransom Briggs Address Redacted Citizens Bank Wealth Mgmt N.A. Trustee Of Roy F Briggs Living Trust Fbo Carole Briggs Address Redacted Citizens State Bank Address Redacted Citrix Systems Inc PO Box 931686 Atlanta GA 31193-1686 CITRIX SYSTEMS INC. PO BOX 931686 Atlanta GA 31193-1686 Wellington Webb Building 201 W. City And County Of Denver Colfax Ave. Department 1009 Denver CO 80202 Department Of Revenue Treasury City And County Of Denver Division Po Box 17430 144 West Colfax Ave Denver CO 80217-0430 City Of Belfield PO Box 5 Belfield ND 58622 City Of Big Spring Texas 310 Nolan Big Spring TX 79720 City Of Coahoma 122 N 1St Street Coahoma TX 79511 City Of Coahoma Po Box 420 Coahoma TX 79511 City Of Coahoma P O Box 420 Coahoma TX 79511 City Of Dickinson 99 2Nd Street East Dickinson ND 58601 CITY OF DICKINSON 99 2ND STREET EAST Dickinson ND 58601 City Of Fairview Montana PO Box 426 Fairview MT 59221 City Of Hope 1717 Main St Ste 1425 Dallas TX 75201 City Of Hope C/O Highground Trust Company PO Box 840343 Dallas TX 75284-0343 City Of Minot Treasurer Office Accounts Receivable Po Box 5006 Minot ND 58702-5006 City of Plains PO Box 550 Plains TX 79355-0550 City Of Plains PO Box 550 Plains TX 79355-0550 City Of Sidney Sidney Water Department 115 2nd St Se Sidney MT 59270 City Of Stanley 208 South Main Street Stanley ND 58784 City Of Stanley Po Box 249 Stanley ND 58784 CITY OF STANLEY PO BOX 249 Stanley ND 58784 City Of Watford City 213 2Nd St NE Po Box 494 Watford City ND 58854 CITY OF WATFORD CITY Peni Peterson PO BOX 494 Watford City ND 58854 City Of Williston 1411 W Dakota Parkway Suite 1B Williston ND 58802-1306 City Of Williston Po Box 1306 Williston ND 58802-1306 CITY OF WILLISTON PO BOX 1306 Williston ND 58802-1306 Citzens Bank Wealth Mgmt N.A. Trustee Of Roy F Biggs Living Trust Fbo Ransom A Briggs Address Redacted Civeo Usa LLC PO Box 912350 Denver CO 80291-2350 Cj Campbell Minerals LLC 808 11Th St Bellingham WA 98225 Cj Inspection LLC Box 425 Portal ND 58772 Cj Northrop Family Tr Juanita Northrop Trtee Address Redacted Cjb Holding LLC 713 Doral Ct Midland TX 79705-1926 Cjc Energy Inc 1902 16th Court W Williston ND 58801 Cjf Properties, LLC 3015 Memorial Highway Mandan ND 58554 Cjm Consulting Inc 428 3rd Ave E Dickinson ND 58601 Clair Lee Crowell Address Redacted Clair Schaff & Jacquelyn A Engquist, J/T Address Redacted Clair Schaff Jacquelyn Engquist - Jt Address Redacted Clair T & Beulah A Artz Trust Beulah A Artz Ttee Address Redacted Claire A Dunnell Address Redacted Claire And Tamara Eide Address Redacted Claire B & Elizabeth J Stoner Family Mineral Trust Brad J Stoner Trustee Address Redacted Claire C Froehlich Address Redacted

Claire D Hill Revocable Living Trust Claire D Hill - Trustee Address Redacted CLAIRE EIDE Address Redacted Claire H. Benson TTEE Claire H Benson Trust U/T/A DTD 0730/1989 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 99 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 102 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Claire Hill Address Redacted Claire L Hopkins Living Trust Claire L Hopkins Trustee Address Redacted Claire M Falkenhagen Address Redacted Claire Markestad Address Redacted Claire Steltzer Address Redacted Claire Stoner Address Redacted Claire Summerville Address Redacted Claire Van Sickle Kelly Address Redacted Clara A Armstrong And Marvin L Armstrong Address Redacted Clara A Papineau Address Redacted Clara A Thorson Address Redacted Clara A Volesky Address Redacted Clara Barton Hospital Association Inc 250 W 9th St Hoisington KS 67544 Clara H Lisko Estate Pat Fleck - Pr Address Redacted Clara J Kessel Address Redacted Clara Kissner Estate Address Redacted Clara Lincoln Sinclair Estate Address Redacted Clara Lisko Address Redacted Clara Mae Salles Estate C/O Gabriel Salles Jr Address Redacted Clara Parks Address Redacted Clara Sue Price Address Redacted Clare Creighton Howell Rev Tr Clare C Howell Trustee Rebecca Eve Hill Trustee Address Redacted Clare E Simcox Address Redacted Clare L Chapman Address Redacted Clare Mathistad Care Of Mark Westereng Address Redacted Clare V Falsey Address Redacted Clareen Frink Auch Address Redacted Clarence & Marion Kostelecky Life Estate Address Redacted Clarence A Brimmer Jr Rev Tr Clarence A Brimmer Jr Trustee Address Redacted Clarence A Lindley Address Redacted Clarence Braaten Address Redacted Clarence C Thompson & Barbara L Thompson Address Redacted Clarence Carlson Address Redacted Clarence Carpenter Address Redacted Clarence Detienne Darcy Detienne - Poa Address Redacted

Clarence E Baxter And Georgia D Baxter Joint Tenants Address Redacted Clarence E Hough C/O Keith E Hough Personal Representative Address Redacted

Clarence E Hyde Est Frances W Hyde & Bank One Trst Address Redacted Clarence G Marlenee Address Redacted Clarence Holliday Address Redacted Clarence Kragness Address Redacted Clarence R Motis Address Redacted Clarence Richard Markham Fam T Clarence Richard Markham & Joy Address Redacted Clarence Romo Estate C/O Phylllis L Romo Address Redacted Clarene Vee Address Redacted Clariant Corporation Dept 2203 Carol Stream IL 60132-2203 Clarice Alfredson Address Redacted Clarice B Sundby C/O Judy Shaw, Poa Address Redacted Clarice Baker Big Back Address Redacted Clarice Ditzel Address Redacted Clarice E Kukowski Mineral Tr Dtd July 14, 2010 Steven L Kukowski Trustee Address Redacted Clarice E Kukowski Mineral Tr Dtd July 14, 2010 Steven L Kukowski, Trustee Address Redacted Clarice E Schmidt Address Redacted Clarice Johnsrud Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 100 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 103 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Clarice Johnsrud Estate First National Bank & Trust Pr Address Redacted Clarice Langved Address Redacted Clarice Phillippi Address Redacted Clarice Schroeder Apple Ridge Estates Address Redacted Clarie Ann Herland Address Redacted Clarion Breuer Address Redacted Clark D & Kathleen M Cvancara Address Redacted Clark D & Kathleen M Cvancara Revocable Living Tr Clark & Kathleen Cvancara - Tr Address Redacted Clark D & Kathleen M Cvancara revocable living trust Address Redacted Clark D Crawford Address Redacted Clark Earnest Neely Address Redacted Clark Ernest Marshall Address Redacted Clark G & Arden A Lawlar Joint Revocable Trust Dtd 9-14- 12 Clark G & Arden A Lawlar - Tr Address Redacted Clark G Love Estate C/O Bruce D Love Executor Address Redacted Clark G Oster Address Redacted Clark Hunting Address Redacted Clark James Crawford Address Redacted Clark Minerals, LLC Kellie D. Clark 1344 Ouray Ave. Grand Junction CO 81501 Clark R Jenner Address Redacted Clark Reliance Corporation PO Box 536097 Pittsburgh PA 15253-5902 Clark Russell Address Redacted Clark S. Paddock Address Redacted Clark Tweden Address Redacted Clark, Damien Address Redacted Clark, Gregory Address Redacted Clarkco Services Inc Address Redacted Clarke B Gillespie Jr Address Redacted Clarke Moynihan Address Redacted Clarke S Ranum Address Redacted Clarkinator I LLC 2046 Brecon Drive Jackson MS 39211 CLARKINATOR I LLC 2046 BRECON DRIVE Jackson MS 39211 Claude G Werdell And Peggy A Werdell His Wife Address Redacted Claude Gordon Werdell Address Redacted Claude L Obrigewitch & Ruth M Obriewitch, Jnt Tnts Address Redacted Claude O & Gwenlyn C Marsh 5-2-14 Revocable Living Trust Address Redacted Claude V Soine Fam Min Trust 1St Natl Bank &Trust Co Of Williston Trustee Address Redacted Claude V Soine Family Mineral Trust First Nat. Bk & Tr Co Address Redacted Claudette K Waters Address Redacted Claudette Neether Address Redacted Claudia C & Bryan Gray Address Redacted Claudia C Clark Address Redacted Claudia E Kempt Trust Claudia E Kempt - Trustee Address Redacted Claudia E Schneider Address Redacted Claudia G Summers Address Redacted Claudia G Summers Descendants Single Trust Todd A Summers - Trustee Address Redacted Claudia J Coberly Address Redacted Claudia J Fegert Address Redacted Claudia Joan Sumner Address Redacted Claudia Kempt Address Redacted Claudia L Fisketjon Address Redacted Claudia Leslie Hickey Address Redacted Claudia Rizzi Barton Address Redacted Claudia Tantalo Watson Address Redacted Claudine M Wasserstrom Address Redacted Claudy L Kanski Address Redacted Clay Q Halverson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 101 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 104 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Clayton & Clayton Pc Attn: Craig A. Clayton 120 Austin Highway Suite 105 San Antonio TX 78209 Clayton A Moe L/E Address Redacted Clayton C Rostomily Estate Address Redacted Clayton C Stanley Sole & Separate Property 1410 28th Street Road Greeley CO 80631 Clayton H Schug And S Josephine Fulton Schug Joint Tenants Address Redacted Clayton J Helland Address Redacted Clayton L & Lucy L Hanson Living Trust Dtd 7/30/2012 Address Redacted Clayton L Enga & Janyce F Enga Address Redacted Clayton L Worst Jr Address Redacted Clayton Lee Stephens Address Redacted Clayton R Legreid Address Redacted Clayton Rostomily Address Redacted Clayton Sanders Rasmusson Address Redacted Clayton Ternquist Family Mineral Trust Evelyn Ternquist, Trustee Vicki Yoney Poa Address Redacted Clayton Vedvick Estate Address Redacted Clayton Williams Estate Address Redacted CLEAN AIR ENGINEERING INC-8684 500 W WOOD ST Palatine IL 60067 Clean Freaks Address Redacted Clean Harbors Disposal Services Inc Po Box 3442 Boston MA 02241-3442 Kristine Anderson Credit Dept 2nd Fl Clean Harbors Environmental Services Inc. SW 42 Longwater Drive PO Box 9149 Norwell MA 02061 Clean Harbors Industrial Services Inc 42 Longwater Dr, Po Box 9149 Norwell MA 02061-9149 Clean Harbors Surface Rentals Usa Inc Usa Inc, Po Box 3442 Boston MA 02241-3442 Clear Fork Minerals LLC 6300 Ridglea Pl Ste 950 Fort Worth TX 76116 Clear Street LLC 55 Broadway, Suite 2102 New York NY 10006 Clearfield Energy LLC Attn: Gene Lang PO Box 850 Parker CO 80138 Clearstream Banking Ag Nico Staes Mergenthallerallee 61 Escborn D-65760 Germany Clearstream Banking Ag Nico Staes Mergenthallerallee 61 Germany Clearwater Adventure LLC 6697 Clear Lake Rd Palermo ND 58769 Clearweather LLC 434 Rosina Vista St Las Vegas NV 89138 Clegg Consulting 8896 Cr 150 Salida CO 81201 Clemencia M Hackley-Grams Address Redacted Clement C Weber Address Redacted Clement L Dutchak Address Redacted Clement L Dutchak & Marilyn Dutchak Address Redacted Clement W Conlin Test Trust B American State Bank & Trust Co, Ttee Address Redacted Clements Fluids Louisiana Ltd 4710 Kinsey Dr Ste 200 Tyler TX 75703 Clemson N Page Address Redacted Cleo Brite Address Redacted Cleo Bykonen Address Redacted Cleo H Schroeder Address Redacted Cleo Haugland Address Redacted Cleo Lowe Address Redacted CLEO TELLEFSON OLSON 13750 LONGRIDGE RD Los Gatos CA 95033 Cleone M Sparks Address Redacted Cleone Turnquist Address Redacted Cleopha B Sandberg Address Redacted Clete Faddis Address Redacted Cleve Chester Van Dyke Address Redacted Clh - Minerals LLC PO Box 3759 Manhattan Beach CA 90266 Cliff Drescher Address Redacted Clifford & Cheryl Hartl Rev Living Trust Dtd 12/10/14 Address Redacted Clifford & Lorna Ellefson Rev Liv Tst Dtd 8-2-07 Lorna Ellefson & Carolyn Mccord Ttes Address Redacted Clifford Anderson Address Redacted Clifford C Hoag Jr Address Redacted Clifford C Pratt C/O Donald Pratt Address Redacted Clifford C Wehmeier Address Redacted Clifford C Whitmore Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 102 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 105 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Clifford D & Ann Wehrman Life Estate Address Redacted Clifford D & Deborah Suhr Address Redacted Clifford D Wogamon And Debbie K Wogamon Hw Address Redacted CLIFFORD FAMILY INTERVIVOS TR Address Redacted Clifford Family Intervivos Tr Uta Dtd 6/13/1991 Address Redacted Clifford G Shaw Address Redacted Clifford G Stevens Address Redacted Clifford H Green Address Redacted Clifford L Green Address Redacted Clifford N Hair Jr 401K Profit Sharing Plan Address Redacted Clifford Olson Address Redacted Clifford Schmoker Address Redacted Clifton F Levorsen Address Redacted Clifton W & Janice Kay Pope Joint Tenants Address Redacted Clint A Symes Address Redacted Clint Fox Address Redacted Clinton E Fiscus Address Redacted Clinton Earl Schultz Address Redacted Clinton Hegseth Address Redacted Clinton J Frazee & Dorothy L Frazee Family Tr U/D/T 6/12/06 Clinton J Frazee & Dorothy L Address Redacted Clinton J Haugen Address Redacted Clinton Jaramillo Address Redacted Clinton L Feehan Address Redacted Clinton Overstreet Address Redacted Clinton P Boltz Address Redacted Clinton R & Dorothea G Meckley Joint Tenants Address Redacted Clinton R Mackley And Dorothea G Mackley J/T Address Redacted Clinton R Mullin Address Redacted Clinton Ridl Address Redacted Clinton S Dame Address Redacted Clinton Schmidt Address Redacted Clinton Traxel Address Redacted Clista R Fite Address Redacted Clock, Justin Address Redacted Clohe Husby Address Redacted Close Up Foundation 1330 Braddock Pl Ste 400 Alexandria VA 22314 Cloud Land & Cattle Ltd 3515-B Longmire Dr Pmb 325 College Station TX 77845 Cloudbreak Energy LLC 9200 E Mineral Avenue Ste 200 Centennial CO 80112 Clouse, Titus Address Redacted Cloverbloom LLC 5419 86th Ave Nw Stanley ND 58784 Club Oil & Gas Ltd LLC PO Box 3868 Englewood CO 80155-3868 Clutter, Laton Address Redacted Clyde & Sharon Pine 1990 Address Redacted Clyde And Roselind Rosten Address Redacted Clyde Deming Address Redacted Clyde F Christian Address Redacted Clyde H Ryder Address Redacted Clyde J & Betty Jean Gurley Joint Tenants Address Redacted Clyde L Kruger Address Redacted Clyde O Nease Address Redacted Clyde P Noe Address Redacted Clyde R Strand Address Redacted Clyde Rosten Address Redacted Clyde Routledge Dba City View Farm LLC PO Box 93 Lansford ND 58750 Clyde T Noe Address Redacted Clyde W Jones Address Redacted Cm Production LLC 12081 W Alameda Pkwy Lakewood CO 80228 Cmmadler LLC 23 Tom Ral Drive Spearfish SD 57783 Cms Inc Corrosion Monitoring Systems P O Box 2109 Mills WY 82644 CMS, Inc. PO Box 2109 Mills WY 82644 Cmt Properties LLC C/O Corrine M Tekavec, Manager 118 W Sterne Pkwy Littleton CO 80120 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 103 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 106 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country CNH INDUSTRIAL CAPITAL AMERICA LLC 100 BRUBAKER AVE New Holland PA 17557 Cnr Investments LLC PO Box 727 Spearfish SD 57783 CNR INVESTMENTS LLC PO BOX 727 Spearfish SD 57783 Co Secretary Of States Office 1700 Broadway Suite 200 Denver CO 80290 Co State Board Of Land Commissioner 1127 Sherman Street Suite 300 Denver CO 80203 Coaches Choice Inc 4141 38th St S Suite 2E Fargo ND 58104 Coalport LLC PO Box 196128 Dallas TX 75219 Coastal Chemical Company PO Box 820 Abbeville LA 70511-0820 Coastal Chemical Company A Division Of Coastal, Inc Dept 2214 Po Box 122214 Dallas TX 75312-2214 Coastal Flow Gas Measurement, Inc. Contracts 811 Main Street Suite 2000 Houston TX 77002 Coastal Flow Measurement Inc PO Box 58965 Houston TX 77258-8965 Coastal Management Trust PO Box 1569 Porter TX 77365 COASTAL OIL & GAS CORPORATION 600 17TH STREET SUITE 2110-S Denver CO 80202 COASTAL OIL & GAS USA, L.P. NINE GREENWAY PLAZA Houston TX 77046 COATS ROSE YALE RYMAN & LEE, P.C. 9 GREENWAY PLAZA, STE 1100 Houston TX 77046 Cobalt Oil & Gas LLC PO Box 8806 Denver CO 80201 Cobank Fcb 245 North Waco Wichita KS 67202 Cobra Oil & Gas Corp PO Box 8206 Wichita Falls TX 76307-8206 COBRA OIL & GAS CORP P O BOX 8206 Wichita Falls TX 76307-8206 COBRA OIL & GAS CORPORATION Richard W Haskin Jr. 2201 Kell Blvd Wichita Falls TX 76308 Coca Cola Bottling Co Williston 921 E Broadway Po Box 820 Williston ND 58802-0820 Coca Cola Bottling Company PO Box 820 Williston ND 58802 Coca Cola Of Williston Iris Krommenhoek PO Box 820 Williston ND 58802 Cochrane Resources Inc PO Box 1656 Roosevelt UT 84066 Cockerell Oil Properties Ltd Edward E Cockerell Gen Partner 1133 N 2nd St Suite 202 Abilene TX 79601 Codale Electric Supply Inc PO Box 740525 Los Angeles CA 90074-0525 Codeli Technology Inc Suite 501 322 11Th Ave Sw Calgary AB T2R 0C5 Canada Codi Lyn Austreim Address Redacted Cody C Burch Address Redacted Cody Exploration LLC PO Box 597 Bismarck ND 58502-0597 CODY EXPLORATION LLC PO BOX 597 Bismarck ND 58502-0597 Cody Farrel Rogers Address Redacted Cody Hurley Address Redacted Cody Kummer Address Redacted Cody Oil & Gas Corp 9200 E Mineral Ave Ste 200 Centennial CO 80112-3467 Cody Resources LP C/O Formation Energy LP 9200 E Mineral Ave Ste 200 Centennial CO 80112-3467 Cody W Johnston Address Redacted Cody William Bonnett Address Redacted Coey Living Trust David & Evelyn Coey Ttes Address Redacted Cog Operating LLC PO Box 849929 Dallas TX 75284-9929 Cogent Communications Inc PO Box 791087 Baltimore MD 21279-1087 Cogman Family Trust Og LLC 5714 N 77th Pl Scottsdale AZ 85250 Coil Tubing Partners LLC PO Box 80822 Lafayette LA 70598-0822 Coit Energy LLC 12400 Coit Road Ste 1000 Dallas TX 75251 Cojourn LP 4925 Greenville Avenue Ste 900 Dallas TX 75206 Cokala Address Redacted Colaro Corporation 5001 Spring Valley Rd #800E Dallas TX 75244 Colby Kline Address Redacted Colby Michael Smith Trust U/W/O B.B. Giles Dtd 7/11/85 Farmers National Co Agent PO Box 3480, Oil & Gas Dept Omaha NE 68103-0480 Colby Michael Smith Trust U/W/O Cc Giles Dtd 5/29/91 Farmers National Co Agent PO Box 3480, Oil & Gas Dept Omaha NE 68103-0480 Colby, Douglas Address Redacted Coldstream Energy LLC 8150 N Central Expy Ste 1550 Dallas TX 75206-1836 COLDSTREAM ENERGY LLC (BFX FABRICATION LLC AND BFX INFRASTRUCTURE LLC)-6307 8150 N CENTRAL EXPY STE 1550 Dallas TX 75206-1836 Cole J Letch Address Redacted Cole Kuck Address Redacted Cole Orley Address Redacted Cole, Destin Address Redacted Coleen Deck Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 104 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 107 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Coleen Ruff Address Redacted Coleen Sundsted Address Redacted Coleman L Rivers Address Redacted Coleman Oil Inc 1200 17th St Ste 1100 Denver CO 80202 Coleman Oil Inc 1200 17th Street, Suite 2000 Denver CO 80202 Colette Anderson And Dennis Anderson, W/H Address Redacted Colette Berg Address Redacted Colette M & Richard Atanasu Address Redacted Colin Lerbakken Address Redacted Colleen Kjos Address Redacted Colleen Bushard Address Redacted Colleen C West Address Redacted Colleen Cathey Booth Trust Colleen Cathey Booth Trustee Address Redacted Colleen Evans Address Redacted Colleen H Fuchs Address Redacted Colleen J Reed Address Redacted Colleen K Peterson And Calvin R Peterson Jtwros Address Redacted Colleen K Rowe Address Redacted Colleen Kennedy Address Redacted Colleen L Bergsagel Address Redacted Colleen Mcgrath Evans Address Redacted Colleen Odermann Address Redacted Colleen R And Lloyd Gossman Address Redacted Colleen R Christensen Address Redacted Colleen R Gossman Address Redacted Colleen R Handy Address Redacted Colleen R Johnson Address Redacted Colleen R Schaefer Life Tenant Address Redacted Colleen Rae Baxter Address Redacted Colleen Rae Baxter Dirk Ronald Baxter J/T Address Redacted Colleen Richards Bevan Address Redacted Colleen S Barnes Address Redacted Colleen Weflen Family LLLP 100 Country Club Drive Bismarck ND 58501 Collette R Garcia Address Redacted Collin P Dobrovolny & Wanda Dobrovolny J/T Address Redacted Collins & Jones Investments LLC 508 West Wall St Suite 1200 Midland TX 79701 Collins & Jones Investments LLC 508 West Wall St Suite 1200 Midland TX 79701 COLLINS & JONES INVESTMENTS LLC 508 WEST WALL ST SUITE 1200 Midland TX 79701 Collins & Jones Investments LLC Attn David Steven Barker 3824 Cedar Springs Rd No. 414 Dallas TX 7519 Collins & Young LLC PO Box 123610 Fort Worth TX 76121-3610 Collins Craig Johnson Address Redacted Collins Oil & Gas Ltd Address Redacted Collins Permian Holdings LLC 508 W Wall St Ste 1200 Midland TX 79701 Collins Permian LP 3824 Cedar Springs Rd #414 Dallas TX 75219 Collins Permian LP 3824 Cedar Springs Rd #414 Dallas TX 75219 COLLINS PIPELINE COMPANY 2 DE ROSA CT Newark NJ 07105 Collins, Colleen Address Redacted Colonial Royalties L/P PO Box 3460 Broken Arrow OK 74013-3460 Color Pro Printing 2415 E Mulberry St Ste 7 Fort Collins CO 80524 Coloradans For Responsible Energy Development C/O Travis Holland - Treasurer 1099 18Th St Ste 1800 Denver CO 80202 Colorado Analytical Laboratories Inc Po Box 507 Brighton CO 80601 Colorado Association Of Commerce & Industry 1600 Broadway, Ste 1000 Denver CO 80202 Colorado Association Of Black Professional Engineers & Scientists Po Box 200508 Denver CO 80220 Colorado Ballet 1075 Santa Fe Dr Denver CO 80204 COLORADO CATTLE COMPANY LLC 109 S WALNUT ST Kimball NE 69145 Colorado Department of Labor and Employment Attn: Joe Barela 633 17th Street Suite 201 Denver CO 80202 Colorado Department Of Public Health And Environment 4300 Cherry Creek Drive South Asd-Ar-B1 Denver CO 80246-1530 Colorado Department Of Public Health - Annual Apen Fees 4300 Cherry Creek Drive South Denver CO 80246-1530 Colorado Department Of Public Health - Co Sara Tier II Reporting 4300 Cherry Creek Drive South Denver CO 80246 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 105 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 108 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Colorado Department Of Public Health - Inspection Fees 4300 Cherry Creek Drive South Denver CO 80246-1530 Colorado Department Of Public Health - Permit/Apen Fees 4300 Cherry Creek Drive South Denver CO 80246-1530 Colorado Department Of Public Health - Permit/Apen Processing Fees 4300 Cherry Creek Drive South Denver CO 80246-1530 Colorado Department Of Public Health - Permit/Apen Processing Fees Ht 33M 4300 Cherry Creek Drive South Denver CO 80246-1530 COLORADO DEPARTMENT OF PUBLIC HEALTH & ENVIRONMENT 4300 CHERRY CREEK S DR. Denver CO 80246 Colorado Department of Public Health and Environment 4300 Cherry Creek Drive S Denver CO 80246 Colorado Department Of Public Health And Environment 4300 Cherry Creek S Dr. COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT ("CDPHE") 4300 CHERRY CREEK S DRIVE Denver CO 80246 Colorado Department of Regulatory Agencies Attn: Patty Salazar Division of Securities 1560 Broadway Suite 900 Denver CO 80202 Colorado Department Of Revenue 1375 Sherman St. Denver CO 80261 Colorado Department Of Revenue Colorado Department Of Revenue Denver CO 80261-0004 COLORADO DEPARTMENT OF REVENUE P.O. BOX 17087 Denver CO 80217 Colorado Department Of Revenue PO Box 17087 Denver CO 80217-0087 Colorado Department Of Revenue 1375 Sherman Street, Room 122 Denver CO 80261 Colorado Department Of Revenue Tax Compliance Section, Rm 101 1375 Sherman Street Denver CO 80261 Colorado Department Of Revenue, Tax Compliance Section, Room 101 1375 Sherman Street Denver CO 80261 Colorado Departnment of Treasury Attn: Dave Young State Capitol 200 E Colfax Avenue Suite 140 Denver CO 80203 And Environment Air Pollution Control Colorado Dept Of Public Health Division Attn: Enforcement Unit Super 4300 Cherry Creek Dr South Denver CO 80246-1530 Colorado Dept Of Treasury Unclaimed Property Division 1580 Logan Street, Suite 500 Denver CO 80203 COLORADO DIVISION OF RECLAMATION, MINING, AND SAFETY 1313 SHERMAN ST. ROOM 215 Denver CO 80203 Colorado EEOC - Denver Field Office Attn: Amy Burholder 303 E 17th Avenue Suite 410 Denver CO 80203 COLORADO ENERGY PO BOX 899 Denver CO 80201 COLORADO ENERGY PO BOX 899 Denver CO 80201 Colorado Energy Foundation 1800 Glenarm Pl #1100 Denver CO 80202 Colorado Energy Minerals Inc PO Box 899 Denver CO 80201 COLORADO ENERGY MINERALS INC PO BOX 899 Denver CO 80201 Colorado Fine Arts Association 13924 Pinehurst Circle Broomfield CO 80023 Colorado Fourteeners Initiative 1600 Jackson St Ste 205 Golden CO 80401 Colorado Hispanic Republicans C/O Thomas J Mccalister Pc 4704 Harlan St Ste 675 Denver CO 80212-7418 Colorado Land Services LLC 1051 D West Hwy 34 Loveland CO 80537 Colorado Land Services LLC 1051-D Highway 34 Loveland CO 80537 Colorado Mobile Drug Testing PO Box 483 Wiggins CO 80654

Colorado Occupational Safety and Health Administration Denver Area Office 1391 Speer Boulevard Suite 210 Denver CO 80204 Colorado Office Of The Attorney General Ralph L. Carr Judicial Building 1300 Broadway, 10Th Fl Denver CO 80203 Colorado Office of the Attorney General Attn: Phil Weiser Ralph L. Carr Judicial Building 1300 Broadway 7th Floor Denver CO 80203 Colorado Office of the Attorney General Consumer Protection Section Ralph L. Carr Judicial Building 1300 Broadway 7th Floor Denver CO 80203 Colorado Oil & Gas Association 1800 Glenarm Place Ste 1100 Denver CO 80202 Colorado Oil And Gas Conservation Commission 1120 Lincoln St. Ste 801 COLORADO OIL AND GAS CONSERVATION COMMISSION 1120 LINCOLN ST. SUITE 801 Denver CO 80203 Colorado Petroleum Assoc 1700 Lincoln St, Ste 2545 Denver CO 80264 Colorado Plateau Geosystems PO Box 22216 Phoenix AZ 85028-2216 Colorado Public Radio 7409 South Alton Court Centennial CO 80112-2301 Colorado Rockies Baseball Club Acct: 13000149 2001 Blake Street Denver CO 80205 Colorado School Of Mines Foundation Po Box 4005 Golden CO 80402-4005 Colorado School Of Mines PO Box 911911 Denver CO 80291-1911 Colorado Seals Inc 7285 S Revere Pkwy #701 Centennial CO 80112 Colorado Seminary Dba University Of Denver Controllers Office 2199 S University Blvd Denver CO 80210 Colorado Sickle Cell Association Inc 6795 E Tennessee Ave Ste 439 Denver CO 80224 Colorado State Board Of Land Commissioners 1127 Sherman Street Suite 300 Denver CO 80203-2206 Colorado State Board Of Land Commissioners 1127 Sherman Street Suite 300 Denver CO 80203-2206 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 106 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 109 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country COLORADO STATE BOARD OF LAND COMMISSIONERS 1127 SHERMAN STREET SUITE 300 Denver CO 80203-2206 Colorado State Board Of Land Commissioners 1313 Sherman Street Room 621 Denver CO 80203 Colorado State Board Of Land Commissioners Department Of Natural Resources 1127 Sherman Street Room 300 Denver CO 80203 Colorado State Land Board 1127 Sherman St Suite 300 Denver CO 80203 Colorado Tubulars Company Aztec Pipe Llc 2585 Trailridge Drive E Lafayette CO 80026 Colorado Unknown Owner CO Colorado Uplift 400 W 48th Ave Ste 250 Denver CO 80216 Colorado Urgent Care PO Box 843833 Los Angeles CA 90084-3833 Colorado Veterans Project 7573 Jared Way Littleton CO 80125 Colorado Womens Hall Of Fame PO Box 18849 Denver CO 80218 Colorado Youth Baseball Club 5978 El Diente St Golden CO 80403 Colorado Youth For A Change 2490 W 26th Ave Ste 110A Denver CO 80211-5371 Coloradofirst 501 S Cherry St Ste 1100 Denver CO 80246-1330 Colt Leslie Treffry Address Redacted Colter Energy Services Usa Inc Dept 3330, PO Box 123330 Dallas TX 75312-3330 Columbine Control Company 7390 S. Fraser St. Unit D Centennial CO 80112-4206 Columbine High School 6201 S Pierce St Littleton CO 80123 Columbine I Ltd Partnership PO Box 22066 Denver CO 80222-0066 Comanche Exploration Co LLC 6520 N Western Ave Ste 300 Oklahoma City OK 73116-7334 COMANCHE EXPLORATION CO LLC 6520 N WESTERN AVE STE 300 Oklahoma City OK 73116-7334 Comanche Mineral Partners LLC 8001 S Interport Blvd #260 Englewood CO 80112 Combs, Brandon Address Redacted Comcast 1701 John F Kennedy Blvd Philidelphia PA 19103 Comcast Po Box 37601 Philidelphia PA 19101-0601 COMCAST PO BOX 37601 Philidelphia PA 19101-0601 Matthew G. Summers, Ballard Spahr Comcast Cable Communications Management, LLC LLP 919 North Market Street, 11h Floor Wilmington DE 19801 Comcast Cable Communications Management, LLC Attn: Eric Kassab, Esq. One Comcast Center Philadelphia PA 19103-2838 Comcast Corporation One Comcast Center, 32nd Fl Philadelphia PA 19103 Comcast Corporation PO Box 60533 City Industry CA 91716-0533 COMCAST ENTERPRISE SERVICES PO BOX 37601 Philidelphia PA 19101-0601 Comdisco Exploration Inc 1777 S Harrison St Ste P-1 Denver CO 80210 Comdisco Inc 1777 S Harrison St Ste P-1 Denver CO 80210 Comdisco Resources Inc 1777 S Harrison St Ste P-1 Denver CO 80210 Come Big Or Stay Home LLC 9701 N Broadway Oklahoma City OK 73114 COME BIG OR STAY HOME LLC 9701 N BROADWAY Oklahoma City OK 73114 Comeback Yoga PO Box 27621 Denver CO 80227 Comer Royalty & Prop Co Ltd 6 Lakeside Park Dallas TX 75225 Comerica Bank Gloria Imhoff 411 West Lafayette Detroit MI 48226 COMERICA BANK Legal Department 1717 Main Street 4th Floor Dallas TX 75201 Command Energy LLC 18911 W Industrial Pkwy New Caney TX 77357 Command Tubular Products LLC 18911 W Industrial Pkwy New Caney TX 77357 COMMERCE BANK ANDY SORKIN 922 WALNUT Kansas City MO 64106 COMMERCE BANK ANDY SORKIN GROUP 922 WALNUT Kansas City MO 64106 Commercial Funding Inc Fbo Lone Tree Services Llc Po Box 207527 Dallas TX 75320-7527 Commercial Ice Machine Co 501 E 2nd Street Odessa TX 79761 Commercial Radio LLC 1601 Idlewilde Drive Midland TX 79703 Commissioner Of Public Lands State Of New Mexico PO Box 1148 Santa Fe NM 87504 Commissioner Of Public Lands State Of New Mexico PO Box 1148 Santa Fe NM 87504 Commissioner Of Public Lands State Of New Mexico PO Box 1148 Sante Fe NM 87504 Commodities Derivatives Desk Attn: Christopher F. Swanson Capital One, National Association 299 Park Avenue New York NY 10017 Head Of Commodity Commodities Derivatives Desk Attn: Christopher F. Swanson Capital One, National Association 299 Park Avenue Derivatives New York NY 10017 Commodity Futures Trading Commission Central Region 525 W Monroe Street Suite 1100 Chicago IL 60661 Commodity Futures Trading Commission Eastern Region 140 Broadway Suite 19 New York NY 10005 Commodity Futures Trading Commission Main Office Three Lafayette Centre 1155 NW 21st Street Washington DC 20581 Common Ground Alliance 908 King Street Ste 330 Alexandria VA 22314 Common Sense Policy Roundtable 4950 S Yosemite St F2 #314 Greenwood Village CO 80111 Dept Of The State Treasurer Commonwealth Of Massachusetts Unclaimed Property Division 1 Ashburton Place 12Th Floor Boston MA 02108-1608 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 107 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 110 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

DEPT OF THE STATE TREASURER, 1 ASHBURTON PLACE, 12TH COMMONWEALTH OF MASSACHUSETTS UNCLAIMED PROPERTY DIVISION FLOOR Boston MA 02108-1608 Commonwealth Of Pennsylvania Bureau Of Unclaimed Property Po Box 783473 Philadelphia PA 19178-3473 Commonwealth Trust Company Cbo Vinton Jr PO Box 350 Wilmington DE 19806 Community Action Partnership 202 E Villard Dickinson ND 58601 Community Memorial Hospital Of Richland County C/O Sidney Health Center 216 14th Ave Sw Sidney MT 59270 Community Presbyterian Church PO Box 425 Fairview MT 59221 Community Resources Oil & Gas C/O Heritage Trust Company 621 N Robinson Ste 100 Oklahoma City OK 73102 Compass Compression 285028 Frontier Rd Rocky View County AB T1X 0V9 Canada Compassion International 12290 Voyager Parkway Colorado Springs CO 80921 Complete Energy Services Inc PO Box 201653 Dallas TX 75320-1653 Complete Petroleum Inc 2705 Heritage Ct Minot ND 58703 Complianceline LLC 8615 Cliff Cameron Dr Ste 290 Charlotte NC 28269-5912 Compression Leasing Services Inc Po Box 1629 Casper WY 82602 Compressor Elements P.O.Box 809 Monahans TX 79756 COMPSYCH CORPORATION 455 N. CITYFRONT PLAZA Chicago IL 60611-5322 Compsych Corporation Nbc Tower - 13Th Floor 455 N Cityfront Plaza Chicago IL 60611-5322 Comptroller Of Maryland Unclaimed Property Unit Po Box 17161 Room 310 Baltimore MD 21297-1161 COMPTROLLER OF MARYLAND UNCLAIMED PROPERTY UNIT PO BOX 17161, ROOM 310 Baltimore MD 21297-1161 Comptroller Of Public Accounts 111 East 17th Street Austin TX 78774 Comptroller Of Public Accounts PO Box 13528 Austin TX 78711-9939 Comptroller Of Public Accounts P O Box 13528 Austin TX 78711-9939 Comptus 202 Tamarack Rd Thornton NH 3285 COMPUTER FORENSIC SERVICES INC 2807 ALLEN ST SUITE 743 Dallas TX 75204 Computer Modelling Group Ltd 3710 33 Street Nw Calgary AB T2L 2M1 Canada COMPUTER MODELLING GROUP LTD. 3710 33RD STREET NW Calgary AB T2L 2M1 Canada Computershare Attn: Charles Erle 8742 Lucent Boulevard Suite 225 Highlands Ranch CO 80129 Computershare Inc Dept Ch 19228 Palatine IL 60055-9228

COMSTOCK 5300 TOWN & COUNTRY BLVD #500 Frisco TX 75034-6892 Comstock Oil & Gas LP 5300 Town & Country Blvd #500 Frisco TX 75034-6892

COMSTOCK OIL & GAS LP 5300 TOWN & COUNTRY BLVD #500 Frisco TX 75034-6892 Con Short Address Redacted Conald Havelka & Donna Havelka, Jtwros 1336 2nd St W Dickinson ND 58601 Conax Technologies LLC Attn: Accounts Receivable 2300 Walden Ave Buffalo NY 14225 Concerned Citizens For Colorado 2318 Curtis St Denver CO 80205 CONCORD ENERGY 1401 17TH STREET SUITE 1500 Denver CO 80202 CONCORD ENERGY LLC 1401 17TH STREET SUITE 1500 Denver CO 80202 Concord Investments 3838 Oak Lawn Ave. Ste 1216 Dallas TX 75219 Concord Oil Company 100 West Houston Street Suite 1500 San Antonio TX 78205-1424

Concordia College Corporation C/O First Intl Bank & Trust PO Box 10818 Fargo ND 58106-0818 Concordia Lutheran Church 1805 Main St Williston ND 58801 Condor Petroleum Inc 1685 S Colorado Blvd Unit S-523 Denver CO 80222 Confidential Derry Stace Long 83 Cedar Wood Circle Bozeman MT 59718 Conklin Energy LLC 1308 Larchmont Lane Oklahoma City OK 73116 Conley, Brandy Address Redacted Conley, Jonathan Address Redacted Conleymax Energy Inc 14233 Hwy 2 West Williston ND 58801 Conly Oil Inc 805 Canonero St Midland TX 79705 Conly Resources LLC 713 Doral Ct Midland TX 79705-1926 Connect Medical Clinic 683 State Ave Ste E Dickinson ND 58601 Conner, Megan Address Redacted Connie Ann Ansell Special Needs Trust Of 8/26/11 Allan Ansell, Trustee 1104 Ranch Rd Boise ID 83702 Connie B Randall Address Redacted Connie Bankey Address Redacted Connie Bergstrom Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 108 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 111 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Connie Bergstrom Family Mineral Tr Timothy Bergstrom & David Bergstrom Co/Trtees Address Redacted Connie Biksen Address Redacted Connie E Buxbaum Address Redacted Connie Ganje Address Redacted Connie Hatfield Address Redacted Connie J Ferrell Address Redacted Connie J Roan Revocable Living Trust Connie J Roan Trustee Address Redacted Connie Jo Carpenter Address Redacted Connie Jo Long Address Redacted Connie Jo Long Life Estate Address Redacted Connie K Walstad Address Redacted Connie K Wittman Address Redacted Connie Kalanek Address Redacted Connie Kilen Address Redacted

Connie L Dittmer And Leroy John Dittmer Joint Tenants Address Redacted Connie L Lambert Address Redacted Connie L Tabbert Address Redacted Connie Lea Potter Address Redacted Connie Lehan Address Redacted Connie M Klein Address Redacted Connie Mcmullen Address Redacted Connie Murphy Address Redacted Connie Obrien Address Redacted Connie Petty Address Redacted Connie Pohlkamp Address Redacted Connie R Boe-Quandt Address Redacted Connie R Ganje Address Redacted Connie R Presnell Address Redacted Connie Short Mcdonald Address Redacted Connie Wampler Address Redacted Connie Wurst Address Redacted Conocophillips 22295 Network Place Chicago IL 60673-1222 CONOCOPHILLIPS 600 N DAIRY ASHFORD Houston TX 77079 Conocophillips Co Jv Non-Op 360 Plaza Office Building 315 S Johnstone Ave Bartlesville OK 74004 Conocophillips Company 600 N. Dairy Ashford Houston TX 77079 Conocophillips Company 21873 Network Place Partner J205326002 Chicago IL 60673-12180 CONOCOPHILLIPS COMPANY 600 N DAIRY ASHFORD Houston TX 77079 C/O UNITED STATES CONOCOPHILLIPS COMPANY CORPORATION COMPANY 320 SOMERULOS ST. Baton Rouge LA 70802 Conocophillips Inc 22295 Network Place Chicago IL 60673-1222 Conrad D Mastrud Revocable Trust Anne Mastrud, John Mastrud & Sara Gackle Co-Trustees Address Redacted Cons Weed Control Service Inc PO Box 1567 Sidney MT 59270 Consolidated American Res LLC 12 E California Ave #200 Oklahoma City OK 73104 Consolidated Comm Networks Inc 507 South Main Avenue Po Box 1408 Dickinson ND 58602-1408 Consolidated Comm Networks Inc Po Box 1408 Dickinson ND 58602-1408 CONSOLIDATED COMM NETWORKS INC PO BOX 1408 Dickinson ND 58602-1408 CONSOLIDATED COMM NETWORKS INC PO BOX 1408 Dickinson ND 58602 Consolidated Electrical Distributors Inc Po Box 913120 Denver CO 80291-3120 Consolidated Oil & Gas Inc 410 17Th Street Denver CO 80202 Consolidated Resource LLC 418 N 9th Ave Greeley CO 80631 Constance Ann Mehl Address Redacted Constance Annette Mason Address Redacted Constance B Kalanek Address Redacted Constance Connie Bergstrom Ttee Of Family Share Trust Under Will Of D Bergstrom Address Redacted Constance E Karst Address Redacted Constance G Wallenkamp Life Estate Address Redacted Constance Joy Busse Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 109 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 112 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Constance Kasian Address Redacted Constance L Robinson Address Redacted Constance M Seay Address Redacted Constance S Trippet Robert C Simpson Guardian Address Redacted Constance Stevens Address Redacted Constans Family Revocable Living Trust Dtd 4/8/08 Debra L Constans - Suc Trustee Address Redacted Constantine G Romanyshyn Address Redacted Consuelo Romero Address Redacted Consuelo Romero Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Consumer Energy Education Foundation 2211 Norfolk St Ste 610 Houston TX 77098-4064 Contender Energy Partners LP 801 E Campbell Rd Ste 330 Richardson TX 75081 Contex Energy Rocky Mtn LLC 621 17th Street, Suite 1020 Denver CO 80293-2501 CONTINENTAL PO BOX 952724 St Louis MO 63195-2724 CONTINENTAL RES PO BOX 952724 St Louis MO 63195-2724 CONTINENTAL RESOURCES PO BOX 952724 St Louis MO 63195-2724 Continental Resources Inc PO Box 268835 Oklahoma City OK 73126 Continental Resources Inc PO Box 952724 St Louis MO 63195-2724 Continental Resources Inc 20 N Broadway Ave Oklahoma City OK 73102 CONTINENTAL RESOURCES INC PO BOX 952724 St Louis MO 63195-2724 Continental Resources Inc(Swd) PO Box 952724 St Louis MO 63195-2724 CONTINENTAL RESOURCES INC(SWD) -8678 PO BOX 952724 St Louis MO 63195-2724 CONTINENTAL RESOURCES INC. PO BOX 952724 St Louis MO 63195-2724 CONTINENTAL RESOURCES, INC PO BOX 952724 St Louis MO 63195-2724 Attn: Steven Adams Continental Resources, Inc. John Russell Gable Gottwals 100 West Fifth Street Tulsa OK 87412 Fredrickson & Byron P.A. Lawrence Bender CONTINENTAL RESOURCES, INC. Spencer Ptacek 1133 College Drive # 1000 Bismarck ND 58501 ATTN: STEVEN ADAMS CONTINENTAL RESOURCES, INC. GABLE GOTTWALS JOHN RUSSELL 1100 ONEOK PLAZA Tulsa OK 87412 CONTINENTAL RESOURCES, INC. HOLLAND & HART, LLP ATTN: W. SCOTT MITCHELL 401 NO. 31ST STREET # 1500 Billings MT 59101 Continental Resources, Inc. Laura Bennett 20 N. Broadway Oklahoma City OK 73102 CONTINENTAL RESOURCES, INC. PO BOX 952724 St Louis MO 63195-2724 CONVERGEX EXECUTION SOLUTIONS LLC/STOCK LOAN CONDUIT HOWARD FLAXER 400 Colonial Center Pkwy Ste 300 Lake Mary FL 32746-7682 Converse County Bank, Brian J & Cynthia Martin-Beers Ttees Brian J Martin 2006 Trust Address Redacted Converse County Bank, Brian J & Cynthia Martin-Beers Ttees Cynthia Martin-Beers 2006 Tr Address Redacted Recorder Converse County Court Converse County Clerk And House 107 North 5th Street Suite 114 Douglas WY 82633 Convoy Of Hope PO Box 219368 Kansas City MO 64121 Cook Homestead LLC A Washington Ltd Liability Co 1900 W Nickerson #215 Seattle WA 98119 Cooper Associates LLC 11762 Larkspur Dr Parker CO 80134 Cooper B Land Address Redacted Cooper B Land Estate Signe E Synstelien - Pr 460 Oakhill Rd Chaska MN 55318 Cooper Land Family LLC 460 Oak Hill Rd Chaska MN 55318 Copas PO Box 21272 Wichita KS 67208-7272 Copas-Colorado PO Box 44128 Denver CO 80201-4128 Copeland, William Address Redacted Copperhead Corporation PO Box 3086 Minot ND 58702-3086 Copperhead Oilfield Services PO Box 592 Watford City ND 58854 Cor Clearing LLC Anh Mechals 9300 Underwood Avenue Suite 400 Omaha NE 68114 Cor Clearing LLC Issuer Services 8000 Regency Parkway Cary NC 27518 Cor Clearing LLC Issuer Services C/O Mediant Communication 8000 Regency Parkway Cary NC 27518 Cor Clearing LLC Luke Holland 1200 Landmark Center Suite 800 Omaha NE 68102 Cora Lee Boykin Address Redacted Cora Lee Miller Address Redacted Cora O'Harrow Living Trust Address Redacted Cora Solberg Address Redacted Cora Weyrauch Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 110 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 113 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cora White Address Redacted Coralee L Brewer Succ Ttee Auverson Family Mineral Trust U/A Dtd 7/14/08 Address Redacted Coralene A Beishline Address Redacted Coralie A Hager Address Redacted Corbell, David Address Redacted Corcoran Oilfield Services Inc 221 Lomond Lane Billings MT 59101 Cordelia Simpson Schroer Address Redacted Cordell F Volesky Address Redacted Core Laboratories Inc PO Box 841787 Dallas TX 75284-1787 CORE LABORATORIES LP-47 PO BOX 841787 Dallas TX 75284-1787 Core-Tech Wireline Services Dept 112 Po Box 701683 Tulsa OK 74170 Core-Tech Wireline Services Midsouth Bank, PO Box 3742 Lafayette LA 70502 Corey A Frederickson Address Redacted Corey Andel & Dawn Andel Joint Tenants Address Redacted Corey Ashley Leroux Address Redacted Corey Beckman Address Redacted Corey Bjertness Address Redacted Corey D Elkins Address Redacted Corey D Thacker Address Redacted Corey Green Address Redacted COREY JAY MOEN Address Redacted Corey Larson Address Redacted Corey Lee Long Address Redacted Corey R Nay Address Redacted Corey Seidel Address Redacted Corey W Thomas Address Redacted Corigliano, Daniel Address Redacted Corinna Larae Crist Address Redacted Corinne Kelly Calder Rev Tr Corinne Calder Lewis Trtee Address Redacted Corinne Kelly Calder Revocable Trust Dtd 1/23/08 - Corinne Kelly Lewis - Succ Trustee Address Redacted Corinne L Reiquam Address Redacted Corinne Lillian Lindgren Address Redacted Corinne Maddox Address Redacted Corinne Sharbono Address Redacted Corinth Lutheran Church Corinth ND 58830 Cority Software Inc 250 Bloor St E Ste 900 Toronto ON M4W 1E5 Canada Corlyss Bronston Delashaw PO Box 328 Marietta OK 73448

Cornelia Cole Bloodgood Tr Farmers National Co., Agent PO Box 3480, Oil & Gas Dept Omaha NE 68103-0480 Cornelia Langer Noland Reis Address Redacted Cornelius E Baillargeron Trust Jennifer C Field Ttee Address Redacted Cornell University Attn: Maryann Bell 130 E Seneca St Ste 400 Ithaca NY 14850 Corona Royalty LLC PO Box 100098 Denver CO 80250-0098 Corpac Steel Products Corp 20803 Biscayne Blvd Suite 502 Aventura FL 33180 Corpe, Christopher Address Redacted Corporation Service Company PO Box 13397 Philadelphia PA 19101-3397 Corpro Inc 14103 Interdrive West Houston TX 77032 Corral Bakken LLC 16801 Addison Rd Ste 330 Addison TX 75001 CORRAL BAKKEN LLC 16801 ADDISON RD STE 330 Addison TX 75001 CORRENE LOEFFLER 4301 S. DOWNING STREET Englewood CO 80113 Correne S. Loeffler Address Redacted Corridor Resources LLC 13295 Newberg Rd Cat Spring TX 78933 Corriene M Honrath Life Estate Address Redacted Corrigan Goddard Ranch Family Limited Partnership 8117 Preston Road Suite 610 Dallas TX 75225 Corrine Redmond Life Estate Address Redacted Cortez Operating Company C/O Encore Operating LP PO Box 671253 Dallas TX 75267-1253 Cortez Operating Company Fka The Home-Stake Oil&Gas Co 2745 Dallas Parkway Suite 220 Plano TX 75093 Cory Andrew Stephenson Address Redacted Cory D Wanner Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 111 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 114 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cory Davidsen Address Redacted Cory E Haverkamp Address Redacted Cory J & Kathleen D Ness Ttees Kakoryness Trust Dtd 9/9/11 Address Redacted Cory J Stoner Address Redacted Cory John Hanson Address Redacted Cory Malinowski Address Redacted Cory R & Sandra K Miller Address Redacted Cory Ryan Johnston Address Redacted Cory Steffan Address Redacted Cory Thompson Address Redacted Cosial R.L Address Redacted Cote Family Trust Dakota Community Bank -Trustee Address Redacted Coteau Oil - Ia LP PO Box 3528 Beaumont TX 77704 Cotton 4 Mineral Trust Dtd September 13, 2009 Cynthia C Fowler, Trustee Address Redacted Cotton 6 Mineral Trust Dtd September 13, 2009 Cynthia C Fowler, Trustee Address Redacted Cotton Bledsoe Tighe & Dawson Address Redacted Cotton, Gerald Address Redacted Cottonwood Creek Resources PO Box 119 Wibaux MT 59353 Cottonwood Resources Inc PO Box 702796 Tulsa OK 74170-2796 Cottonwood Resources LLC PO Box 966 Chinook MT 59523 COTTONWOOD RESOURCES LLC PO BOX 966 Chinook MT 59523 Coughlin Minerals Trust Kristine C Coughlin - Trustee 1800 Nw 26th Lane Grimes IA 50111 Country Johns Address Redacted Country Royalty LLC PO Box 3000 Big Spring TX 79721 County Of Mckenzie 201 5th St Nw Ste 543 Watford City ND 58854 County Of Sheridan State Of Montana 100 West Laurel Avenue Plentywood MT 59254 Courtenay Nearburg Address Redacted Courtland Phillips Trust U/W Audrey Davanay 07/30/00 Shirley Jean Phillips Ttee Address Redacted Courtney C Peart Address Redacted Courtney Catron Jr Address Redacted Courtney Holt Cowden Jr Address Redacted Courtney Krenz Address Redacted Courtney Traeger Address Redacted Covenant Testing Technologies 1600 Highway 6 Suite 360 Sugarland TX 77478 COVENANT TESTING TECHNOLOGIES. LLC 1600 HIGHWAY 6, SUITE 360 Sugarland TX 77478 Cowboy Crane Service LLC 11800 Hwy 261 Sidney MT 59270 Cowden Capital Investments LP PO Box 50119 Austin TX 78763 COWDEN CAPITAL INVESTMENTS LP PO BOX 50119 Austin TX 78763 Cowry Enterprises Ltd PO Box 3310 Littleton CO 80161-3310 Cox Minerals LLC PO Box 2015 Billings MT 59103 Cox Operating LLC 1615 Poydras St Ste 830 New Orleans LA 70112 Cox, Bradley Address Redacted Cox, Deela Address Redacted Coy Construction LLC 31 Royal Manor Dr Odessa TX 79765-4800 Coyote Booster Club PO Box 13981 Williston ND 58802 Coyote Creek Elementary 2861 Baneberry Court Highlands Ranch CO 80129 Cozmo Investments Ltd 5804 Edwards Ranch Road Fort Worth TX 76109 Cozy Cabin Cleaning 608 2nd St Se Sidney MT 59270 Cp Acquisition LLC 5725 Commonwealth Blvd Sugar Land TX 77479 CP ACQUISITION LLC 5725 COMMONWEALTH BLVD Sugar Land TX 77479 Cp Exploration LP Address Redacted CP MACHINE INC PO Box 2153 Williston ND 58802-2153 Cp Machine Inc 3534 20th Ave West Willston ND 58801 Cpass After Prom Party Po Box 159 South Heart ND 58655 Cpc Pumps International Dept 2093, PO Box 122093 Dallas TX 75312-2093 Cpi Automation & Control Solutions 6051 Washington St Unit D Denver CO 80216 Cpj Hydrocarbons LLC 3521 Centenary Ave Dallas TX 75225 Cpm Royalties LLC PO Box 1863 Mannford OK 74044-1863 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 112 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 115 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Craddick, Jenifer Address Redacted Crae L Lambert Address Redacted Craft Electric Inc PO Box 795 Stanley ND 58784-0795 CRAIG A & BARBARA EGELAND Address Redacted Craig A & Barbara Egeland Joint Tenants Address Redacted Craig A Johnson Address Redacted Craig A Meiers Address Redacted Craig A Pool & Marcia J Pool Address Redacted Craig A Slawson 2014 Rev Trust Address Redacted Craig A Slawson 2014 Rev Trust Craig A Slawson Trustee Address Redacted Craig A Stoner Address Redacted Craig Allan Fisher Address Redacted Craig And Barbara Sorenson Address Redacted Craig Andrew Ortloff Address Redacted Craig B Mccloud Address Redacted Craig B Roth Address Redacted Craig Baum Address Redacted Craig Buen Address Redacted Craig C H Niemitalo Address Redacted Craig C Hunt Address Redacted Craig Coldewey Trust #1506 Frost National Bank Trust Department #W00150600 PO Box 1600 San Antonio TX 78296-1600 Craig E Johnson Address Redacted Craig E Lucas Address Redacted CRAIG EGELAND Address Redacted Craig Evans Address Redacted Craig F Anderson Address Redacted Craig G Tirey Family LP PO Box 20093 Oklahoma City OK 73156 Craig Gebert Address Redacted Craig H Woodward Address Redacted Craig Heath Address Redacted Craig Henkel Address Redacted Craig Howard Address Redacted Craig Hurtt Address Redacted Craig Iver Peterson Address Redacted Craig Kary Address Redacted Craig L Emmanuel Address Redacted Craig L Finsaas Address Redacted Craig M Haesly Address Redacted Craig M Mcivor Address Redacted Craig Mazanti Address Redacted Craig N Hudson Address Redacted Craig O Collum Address Redacted Craig R Allan Address Redacted Craig Raymond Bartleson Address Redacted Craig S Hovda Address Redacted Craig Scott Address Redacted Craig Seibold Address Redacted Craig Seidel Address Redacted Craig T Clifford Address Redacted Craig Toedtli Address Redacted Craig W Mercier Address Redacted Craig Wahlstrom Address Redacted Craig William Toedtli Address Redacted Craig, Michael Address Redacted Crain Energy, Ltd PO Box 2146 Longview TX 75606 Crain Ii Oil & Gas, Ltd PO Box 2146 Longview TX 75606 Crain, Bryan Address Redacted Crain, Scott Address Redacted Cramer Oil Co Address Redacted Crandall, Michael Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 113 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 116 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Crane Creek School District #1 Address Redacted Cranor Enterprises LLC 5735 South Ivy St Greenwood Village CO 80111 Cranston Producing LLC PO Box 20491 Billings MT 59104 Craveco LLC C/O Julee Sparks 15342 Quince St Thorton CO 80602 Craven Family Trust Created Under Revoc Lvg Trust Agmt Dtd 5/10/2005, Robert E Craven Address Redacted Cravens Management Trust Ralph T Cravens Co Trustee Mary Cravens Haney Co Trustee Address Redacted CRAWFORD ENRGY, INC. 770 SOUTH POST OAK LANE SUITE 520 Houston TX 77056 Crawford Wheeler And Margaret F Wheeler Jt 18 Pine St New York NY 10005 Crayon Software Experts LLC 12221 Merit Drive Ste 800 Dallas TX 75251 Creating Margin Corporation 2995 N Cole Road Ste 220 Boise ID 83704 Creative Energy Inc PO Box 1577 Jamestown ND 58402 Credence Oilfield Services LLC 3512 33rd Ave W Ste 22 Williston ND 58801

Credential Securities Inc./CDS** Corporate Actions 700 – 1111 West Georgia St Vancouver BC V6e 4t6 Canada Securities (USA) LLC Anthony Milo Vice President 7033 Louis Stevens Drive Global Proxy Services Research Triangl NC 27560 Credit Suisse Securities (USA) LLC Anthony Milo Vice President 7033 Louis Stevens Drive Global Proxy Services Research Triangle Park NC 27709 Credit Suisse Securities (USA) LLC C/O Broadridge 51 Mercedes Way Edgewood NY 11717 Cree Roberts Estate Michael Kaitcher Administrator Bureau Of Abandoned Property PO Box 8931 Wilmington DE 19899 Creedence Energy Services LLC PO Box 3480 Minot ND 58702 Creek Energy Services LLC 322 Demers Ave Ste 500 Grand Forks ND 58201 Creek Energy Services LLC 51 N Broadway Ste 505 Fargo ND 58102 Creek Oilfield Services Adm 3250 Rock Island Place Suite 4 Bismarck ND 58504 Creek Oilfield Services LLC 3250 Rock Island Place Suite 4 Bismarck ND 58504 Creek Oilfield Supply LLC PO Box 3422 Wichita KS 67201-3422 Crenshaw Royalty Company 8700 Crownhill Blvd Suite 605 San Antonio TX 78209 Crescent Electric Supply Co PO Box 500 East Dubuque IL 60125-4418 Crescent Energy, Inc An Arizona Corp PO Box 271229 Louisville CO 80027-5023 Crescent Oil & Gas Corp PO Box 412 Tulsa OK 74101 Crescent Point Energy Us Corp 555 17th Street Suite 1800 Denver CO 80202 CRESCENT POINT ENERGY US CORP 555 17TH STREET SUITE 1800 Denver CO 80202 C-Resources Ltd PO Box 54 Waller TX 77484 CREST RESOURCES INC 15 E 5TH STREET SUITE 3650 Tulsa OK 74103-4367 Crest Resources Inc First Place Tower 15 E 5th Street Suite 3650 Tulsa OK 74103-4367 Crestmark For Blackduck Power Equipment Po Box 682348 Franklin TN 37068-2348 For Newsco International Energy Crestmark Bank Services Usa Inc Drawer #2320, Po Box 5935 Troy MI 48007-5935 Crestone Royalties LLC PO Box 660082 Dallas TX 75266 Crestone Royalties LLC PO Box 660082 Dallas TX 75266-0082 Crestwood Crude Transportation 2440 Pershing Rd Ste 600 Kansas City MO 64108 Crestwood Midstream Partners, LP c/o Fredrickson & Byron P.A. Attn: Danielle Krause 1133 College Drive #1000 Bismarck ND 58501 Crestwood Midstream Partners, LP c/o Fredrickson & Byron P.A. Attn: Lawrence Bender 1133 College Drive #1000 Bismarck ND 58501 2101 Cedar Springs Road Suite Crhg4 Partners LLC 1700 Dallas TX 75201 Crimmins, Sommer Address Redacted Crimson Energy LLC PO Box 64 Gulf Shores AL 36547 Crissey Family Trust Address Redacted Crista Lorence Address Redacted Crista Peterson Hill Address Redacted Cristal L Wolfgram Address Redacted Cristy Duchesneau Robinson Address Redacted Croff Oil Co 9595 Six Pines Dr Ste 6320 The Woodlands TX 77380 Crofoot Partners Ltd PO Box 509 Alta CA 95701 Cross Petroleum Service PO Box 727 Sidney MT 59270 Cross Timbers Energy LLC 400 W 7th St Ft Worth TX 76102 Cross Timbers Energy LLC C/O Drillinginfo Mail PO Box 161987 Austin TX 78716 Cross Timbers Royalty Trust Xto Energy Inc Agent PO Box 730586 Dallas TX 75373-0586 Crossfire LLC PO Box 844339 Dallas TX 75284-4339 Crosslead Inc 1445 New York Ave Nw First Floor Washington DC 20005 Crossroads Safehouse Inc PO Box 993 Fort Collins CO 80522 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 114 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 117 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Crosswind Resources LLC PO Box 1960 Chandler AZ 85244 CROSSWIND RESOURCES LLC PO BOX 1960 Chandler AZ 85244 CROWDSTRIKE 150 MATHILDA PL Sunnyvale CA 94086 CROWELL TRUCKING LLC 1106 CANNON LANE Washburn ND 58577 Crowell Trucking LLC 2352 14th St NW Minot ND 58703-0815 Crowley Fleck Pllp PO Box 30441 Billings MT 59107 CROWLEY FLECK PLLP ATTN: KENT REIERSON PO BOX 1206 Williston ND 58802-1206 Crowley Fleck PLLP Eli J. Patten P.O. Box 2529 Billings MT 59103 CROWLEY FLECK PLLP PO BOX 30441 Billings MT 59107 Crown Coast Investments LLC C/O First Oklahoma Bank Lockbox PO Box 1421 Jenks OK 74037 Crown Energy Partners LLC 304 Inverness Way South Suite 125 Englewood CO 80112 Crown Gas LP PO Box 402 Hallettsville TX 77964 Crown Oil Partners V LP PO Box 50820 Midland TX 79710 Crown Resources LLC 1555 West Yellowstone Way Chandler AZ 85248 CROWNQIEST OPERATING, LLC 303 VETERANS AIRPARK LANE SUITE 5100 P.O. BOX 53310 Midland TX 79710 CROWNQIEST OPERATING, LLC 303 VETERANS AIRPARK LANE SUITE 5100 P.O. BOX 53310 Midland TX 79710 Crozier Oilfield Services Hc 67 Box 176 Whiterocks UT 84085 Crozier Oilfield Servics, Inc Sharrie HC 67 Box 176 Whiterocks UT 84085 Crum Electric Supply 1165 English Ave Casper WY 82601 Cruz Energy Services LLC 10944 27D St Sw Dickinson ND 58601 Cruz Energy Services LLC 7000 East Palmer-Wasilla Hwy Palmer AK 99645 Crystal Ann Kessler Address Redacted Crystal Equity Energy 654 Madison Ave Suite 1201 New York NY 10065 CRYSTAL EQUITY ENERGY LLC 101 COOPER ST STE 4N New York NY 10034 Crystal Erickson Address Redacted Crystal Huber Address Redacted Crystal L Ballentine Address Redacted Crystal L Brose Life Estate Address Redacted Crystal Malinowski Address Redacted Crystal Nelson Address Redacted Crystal R Deegan C/O Hanni J Deegan Address Redacted Crystal Stai Address Redacted Cs Oil & Gas Ltd 4906 Toruga Place Austin TX 78731-4531 Cs Welding LLC PO Box 1323 Stanley ND 58784 CS Welding, LLC Attn: Cesar Salgado 1101 4th St SE Suite 206 Stanley ND 58784 Csi Inspection LLC PO Box 919363 Dallas TX 75391-9363 Csi Technologies LLC 1930 W W Thorne Blvd Houston TX 77073 Ct Corporation System PO Box 4349 Carol Stream IL 60197 Ct Corporation System PO Box 4349 Carol Stream IL 60197-4349 CTAP, LLC Attn: Seth Merrill 2585 Trailridge Dr East Lafayette CO 80026 Cti Fishing And Completions Inc Po Box 10360 Liberty TX 77575 Ctle63iZ Address Redacted Cu Next Season Landscaping LLC PO Box 1989 Williston ND 58801 Cudd Pressure Control Inc PO Box 203379 Dallas TX 75320-3379 Cudd Pumping Services Inc PO Box 203379 Dallas TX 75320-3379 Cullen 66 Oil & Gas LLC 1900 West Loop South Ste 1150 Houston TX 77027 Cullen T Grinnan Address Redacted Cullen, Douglas Address Redacted Culligan Water Conditioning PO Box 1867 Minot ND 58702-1867 Cullins Resources Inc 4422 Fm 1960 West Suite 105 Houston TX 77068 Cummings Oil Co 5400 N Grand Blvd #100 Oklahoma City OK 73112 CUMMINGS OIL CO 5400 N GRAND BLVD STE 100 Oklahoma City OK 73112 Cummings Royalty Acq Corp PO Box 6173 San Antonio TX 78209 Cummings, Charles Address Redacted Cummins Family LLC 8900 Ne 239th Street Battle Ground WA 98604-9505 Cunningham, Joyce Address Redacted Curt & Tammy K Braaflat Address Redacted Curt E Rice And Lisa J Rice Jtwros Address Redacted Curt Jensen Address Redacted Curt Meeds Address Redacted Curt Sadowsky Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 115 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 118 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Curt Wandersee Address Redacted Curtis A Starck Address Redacted Curtis A Wells Address Redacted Curtis Bennett Address Redacted Curtis C Buckman & Cindy M Buckman, J/T Address Redacted Curtis C Kunst Address Redacted Curtis C Schall Address Redacted Curtis C Sorrells Address Redacted Curtis Christopherson Address Redacted Curtis Christopherson Test Tst Curtis Christopherson Trustee Address Redacted Curtis D & Jolene A Trowbridge Jtwros Address Redacted Curtis Drievold Tangeman Address Redacted Curtis F Brehm Address Redacted Curtis F Kanning Address Redacted Curtis G Nay Address Redacted Curtis H Molm & Dorothy B Molm Family Mineral Trust Daniel L Fugere, Succ Trustee Address Redacted Curtis Hancock Address Redacted Curtis Havelka Address Redacted Curtis Hegseth Address Redacted Curtis Huus Estate Address Redacted Curtis J Frey Address Redacted Curtis J Lawhead And Debbie L Lawhead Jtwros Address Redacted Curtis Johnson Address Redacted Curtis Karstens Address Redacted Curtis Kinamon Address Redacted Curtis L Day Address Redacted Curtis L Walters And Karen E Walters Joint Tenants Address Redacted Curtis L. Sayler Address Redacted Curtis Laroque Address Redacted Curtis M Sorenson Address Redacted Curtis Morton Address Redacted Curtis R Trulson Address Redacted Curtis Rebsom Address Redacted Curtis Rosten Address Redacted Curtis Schaff Address Redacted Curtis Sylte Address Redacted Curtis V Talkington Address Redacted Curtis W & Jodie D Kuhn Jt Address Redacted Curtis W Johnson Address Redacted Curtis W Walters Address Redacted Curtiss Dahl Address Redacted Curtiss R Northcutt Address Redacted Curt'S Tool Inspection Inc P O Box 804 Vernal UT 84078 Curvature Inc 14416 Collections Center Dr Chicago IL 60693 Cusano Living Trust, dtd 3/31/2010 Address Redacted Custom Chemical Solutions LLC 43 Lane 16 Cody WY 82414 145 S. DURBIN STREET, CUSTOM CHEMICAL SOLUTIONS LLC STEPHEN R. WINSHIP WINSHIP AND WINSHIP PC STE. 201 Casper WY 82601 Cutters Wireline Service Inc 11700 Katy Freeway Ste 330 Houston TX 77079 Cvh Consulting Inc 5205 Mellowsun Drive Bismarck ND 58503 Cvh Trucking 5205 Mellowsun Dr Bismarck ND 58503 Cww Consulting Company PO Box 1402 Watford City ND 58854 CWW CONSULTING COMPANY PO BOX 1402 Watford City ND 58854 Cxa Oil & Gas Holdings LP 1302 West Ave Austin TX 78701 CXA OIL & GAS HOLDINGS LP 1302 WEST AVE Austin TX 78701 Cy And Leslie Pottebaum Address Redacted Cyan Brakhage Address Redacted CYCLONE DRILLING - DRILLING 5800 MOHAN RD Gillette WY 82718 CYCLONE DRILLING INC 5800 MOHAN RD Gillette WY 82718 Cyclone Drilling Inc Attn: Tom Giblock PO Box 908 Gillette WY 82717-0908 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 116 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 119 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cyclops LLC Fifth Fl Travis Pl 624 Travis St Po Box 1768 Shreveport LA 71166-1768 Cyd F Dolliver Address Redacted CYNDIE MCGENEE AND JOSHUA TYLANE Address Redacted Cyndie Page Levell Address Redacted Cyndra J White Address Redacted Cyndy Wolf Address Redacted Cynthia & Floyd Borud Address Redacted Cynthia A Brunk Address Redacted Cynthia A E Zeren Address Redacted Cynthia A Wamre Address Redacted Cynthia A Wolfe Address Redacted Cynthia Andersen Address Redacted Cynthia Anne Buschman Address Redacted Cynthia Bankston Address Redacted Cynthia Bates Larsen Address Redacted Cynthia Boos Address Redacted Cynthia Bristol Bowmer Estate Megan Nicole Lucas Ind Suc Adm Address Redacted Cynthia Buchholz Address Redacted Cynthia C Skeeters Address Redacted Cynthia Courtney Siegel Address Redacted Cynthia Dambrosio Address Redacted Cynthia Diede Address Redacted Cynthia E Wolter Address Redacted Cynthia Elkins-Sadler Address Redacted CYNTHIA FREDERICKS DANKS Address Redacted Cynthia Gail Ritter Address Redacted Cynthia H Scofield Address Redacted Cynthia Hall Weir Address Redacted Cynthia Hecker Address Redacted Cynthia J Mccormick Address Redacted Cynthia Jo Arends Life Estate Address Redacted Cynthia June Alcott Address Redacted Cynthia K Renner Address Redacted Cynthia Karner Address Redacted Cynthia Kay Heidt And Albinus Edward Heidt Joint Tenants Life Estate Address Redacted Cynthia Kelner A/K/A Cynthia M Lien Address Redacted Cynthia Kerr Address Redacted Cynthia Kordonowy Address Redacted Cynthia L Boettcher Address Redacted Cynthia L Gordon Address Redacted Cynthia L Lee Address Redacted Cynthia L Morales Address Redacted Cynthia Leigh Sommers Address Redacted Cynthia M Lightfritz Address Redacted Cynthia M Rath Address Redacted Cynthia M Thomas Address Redacted Cynthia Miller Address Redacted Cynthia Price Address Redacted Cynthia R Vincent Address Redacted Cynthia Rasmussen Address Redacted Cynthia Rickly Address Redacted Cynthia S Cannon Address Redacted Cynthia S Clark Mcclary Address Redacted Cynthia Solberg Address Redacted Cynthia Stevens Address Redacted Cynthia Throener Address Redacted Cynthia Toelle Address Redacted Cynthia Tomczyk Address Redacted Cynthia Vangen Family Min Tr Jessica K Straight - Tr Address Redacted Cynthia Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 117 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 120 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Cynthia Wickizer Mueller Address Redacted CYPRESS ENERGY MORK SWD LLC 5727 S LEWIS AVE STE 300 Tulsa OK 74105 Cypress Energy Partners 1804 Swd Llc 5727 S Lewis Ave, Ste 300 Tulsa OK 74105 Cypress Energy Partners Grassy Butte Swd Llc 5727 S Lewis Ave, Ste 300 Tulsa OK 74105 Cypress Energy Partners Green River Swd Llc 5727 S Lewis Ave Ste 300 Tulsa OK 74105 Cypress Energy Partners Manning Swd Llc 5727 S Lewis Ave, Ste 300 Tulsa OK 74105 Cypress Energy Partners Mork Swd Llc 5727 S Lewis Ave Ste 300 Tulsa OK 74105 Cypress Energy Partners Mountrail Swd Llc 5727 S Lewis Ave, Ste 300 Tulsa OK 74105 Cypress Energy Partners Williams Swd Llc 5727 S Lewis Ave, Ste 300 Tulsa OK 74105 CYPRESS ENERGY PARTNERS LLC-5380 MORK SWD LLC 5727 S LEWIS AVE STE 300 Tulsa OK 74105 Cypress Point Royalties LP 201 W 5Th St Ste 1350 Austin TX 78701 Cypress Pt Royalties LP 201 West 5th St Ste 1350 Austin TX 78701 Cypress Springs Holdings LLC PO Box 519 Mt Vernon TX 75457 Cyril Mork Address Redacted Cyrill R Kallus Address Redacted Cyrus Land & Royalty LLC PO Box 3025 Oklahoma City OK 73101 CYRUS LAND & ROYALTY LLC PO BOX 3025 Oklahoma City OK 73101 CYRUS LAND AND ROYALTY PO BOX 3025 Oklahoma City OK 73101 D & D Sheetz LLP 2031 Hwy 200A Hensler ND 58530 D & G Bordner Mineral Trust Donna K Bordner - Trustee Address Redacted D & G Hanna Minerals LLLP PO Box 68 Berthold ND 58718 D & G Testers & Supply Inc PO Box 70311 Odessa TX 79763 D & J Transport Inc PO Box 2626 Williston ND 58802-2626 D & L Paraffin Inc PO Box 517 Tioga ND 58852-0517 D & L Propane Inc PO Box 1737 Brazoria TX 77422 D & M Jablonsky Mineral Trust Donald Jablonsky & Margie A Jablonsky, Trustees Address Redacted D & S Properties Of Mankato LLC 58560 Kirkwood Road Mankato MN 56001 D & W Contracting Service Inc P O Box 37 Stamps AR 71860 D A & Helen L Lemieux Irrev Tr Allen Lemieux & Lee Knight Co-Trustees Address Redacted D B Perrine Trustee Trust Agreement 8/31/1937 Address Redacted D B Young Carol J Lieske Aif Address Redacted D C Meter Service PO Box 869 Plains Hwy Denver City TX 79323 D C Smith Address Redacted D Cheris Meek Address Redacted D Conly Oil Inc 2705 Racquet Club Drive Midland TX 79705 D D Bills Address Redacted D F King & Co Inc PO Box 1701 New York NY 10268-1701 D F Lander LLC 278 S Jasmine St Denver CO 80224 D G Kelly Address Redacted D Gregory Comford Address Redacted D Keith Conn Address Redacted D Keith Hagberry Address Redacted D M Royalties Ltd PO Box 1716 Ft Worth TX 76101-1716 D Mitchell & J Chapman TTEE Steven A Noroian & Lynne Noroian Living Trust 2/6/1992 Address Redacted D O H Oil Company PO Box 1342 Sweetwater TX 79556 D O Stockman Credit Shelter Tst-Diane Stockman & Pamela Bornemann & Kristine Tank Ttee Tank, Co-Ttees Dtd 3/22/82 Address Redacted D Patrick Grubbs Address Redacted D Peter Halcrow Address Redacted BURTON, & GORDON M D SUMNER CHASE III 2001 IRREV TRST D.S. CHASE III, EDWIN T MARCHAND TT 350 OLD IVY WAY STE 100 Charlottesville VA 22903-4897 BURTON, & GORDON M D SUMNER CHASE III 2001 IRREV TRST D.S. CHASE III, EDWIN T MARCHAND TT 350 OLD IVY WAY STE 100 Charlottesville VA 22903-4897 D Sumner Chase Iii 2001 Irrev Trst D.S. Chase Iii, Edwin T Burton, & Gordon M Marchand Tt Address Redacted D W Hill Address Redacted D W Kukowski Address Redacted D&D Harvey Sanpete LLC David C Harvey 2806 N 1450 W Pleasant Grove UT 84062 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 118 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 121 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country D&R Lalim LLLP PO Box 762 Tioga ND 58852 D. A. Davidson & Co. Attn: Corporate Actions 8 Third Street North Great Falls MT 59401 D. A. Davidson & Co. Attn: Debbie Gyger 8 Third Street North Great Falls MT 59401 D. A. Davidson & Co. Rita Linskey 8 Third Street North Great Falls MT 59401 D. Carlson Family Mineral Trust Address Redacted D3 Inspection Chad Pittsley Po Box 2023 Tioga ND 58852 D5 Minerals LP PO Box 6111 San Antonio TX 78209 Dace Family Trust Dtd 12-15-99 John O & David H Dace - Tr Address Redacted Dace Hurley Address Redacted Dacia L Rambousek C/O Sandra L Rambousek Address Redacted Dacotah Paper Co Attn: Brant Michael Niemi 3940 15th Ave N Fargo ND 58102 Dacotah Paper Co Brant Niemi PO Box 2727 Fargo ND 58102 Dacotah Paper Co PO Box 2727 Fargo ND 58108-2727 Dacotah West Crane Service Inc PO Box 4433 Williston ND 58802 Dacotah West Crane Service Inc. PO Box 4433 Williston ND 58802 Dadoa Address Redacted Dag Bjarne Holmboe Address Redacted Dagny Brekke Address Redacted Dahd Inc PO Box 241 Hall MT 59837 Dahl Properties Inc PO Box 434 Fairview MT 59221 Dahl, Halee Address Redacted Dahl, Lukas Address Redacted DAIWA CAPITAL MARKETS AMERICA INC. ATTN: CORPORATE ACTIONS 32 OLD SLIP 14TH FLOOR New York NY 10005 DAIWA CAPITAL MARKETS AMERICA INC. SERGIO LEON 32 OLD SLIP, 14TH FLOOR New York NY 10005 Dakota Carrier Network 4202 Coleman St Bismarck ND 58503 Dakota Carrier Network Po Box 2484 Fargo ND 58108

DAKOTA CARRIER NETWORK 4202 COLEMAN STREET BISMARCK ND 58503 Dakota Conference Corporation Of Seventh-Day Adventists 7200 N Washington St Bismarck ND 58503-6301 Dakota Deadman And Anchor Services Llc 1 167th St Se Norwich ND 58768 Dakota Dist Church Of Nazarene PO Box 357 Fergus Falls MN 56537 Dakota Energy LLC 1328 W El Camino Real #2 Mountain View CA 94040 DAKOTA ENERGY LLC PO BOX 516 Fruita CO 81521-0516 Dakota Energy Technologies LLC PO Box 516 Fruita CO 81521-0516 Dakota Energy Technologies LLC PO Box 516 Fruita CO 81521-0516 Dakota Fence PO Box 3066 Minot ND 58702-3066 Dakota Fluid Solutions LLC PO Box 3507 Little Rock AR 72203 Dakota Heritage Living Trust Dtd 1/29/10 Corinne Bennington, Trustee Address Redacted Dakota Hot Shot 3218 111Th H Ave W Ste R Dickinson ND 58601 Dakota Iv W LLC PO Box 13458 Grand Forks ND 58208 Dakota mobile Detailing 727 East Broadway Williston Nd 58801 Dakota Paul Weidner A Minor C/O Kelly Marie Weidner 12 Ragweed Circle Joliet MT 59041 Dakota Pipe Inspection Inc PO Box 1919 Williston ND 58802-1919 Dakota Realty & Leasing Inc PO Box 786 Williston ND 58802 Dakota Resources Inc 618 Isern St Ellinwood KS 67526-1456 Dakota Safety Strategies PO Box 1133 Minot ND 58702 Dakota Sandblasting & Painting Inc Po Box 1644 Williston ND 58801 Dakota Signwerks LLC 11 2nd Ave E Ste 10 Dickinson ND 58601 Dakota Supply Group Sds 12-2439 Po Box 86 Minneapolis MN 55486-2439 Dakota Ventures I LLC 9716 Sunset Hill Cir Lone Tree CO 80124 DAKOTA WEST ENERGY LLC PO BOX 516 Fruita CO 81521-0516 Dak-Tana Wireline LLC PO Box 733608 Dallas TX 75373-3608 Dalco Oil Company 1200 Mercantile Bank Building Dallas TX 75201 Dale & Lois Hurley Jtwrs Address Redacted Dale & Tammy Sponheim J/T Address Redacted Dale A Cain Address Redacted Dale A Danielson Address Redacted Dale A Leens Address Redacted Dale A Peterson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 119 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 122 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dale A Rice Address Redacted Dale Adamski Address Redacted Dale Alan Durham Address Redacted Dale and Marie Reichert Address Redacted Dale Arseneault Address Redacted Dale Arthur Clay Address Redacted Dale Bakken Partners 2012 LLC 2100 Ross Ave Suite 1870 Dallas TX 75201 DALE BAKKEN PARTNERS 2012 LLC 2100 ROSS AVE SUITE 1870 Dallas TX 75201 Dale Baxter Address Redacted Dale C Ott Address Redacted Dale C. Mann Address Redacted Dale Clay Address Redacted Dale D Ensor Address Redacted Dale D Hannegrefs Life Estate Address Redacted Dale D Mumm Address Redacted Dale D Schaff Address Redacted Dale Deming Address Redacted Dale E & Nina M Uran Carol Johnson - Agent Address Redacted Dale E Biggs Address Redacted Dale E Fessler And Sharon E Fessler Hw Address Redacted Dale Erickson, Trustee Address Redacted Dale G Gatz & Yvonne K Gatz Tr U/A/D September 18, 2012 Dale G & Yvonne K Gatz - Tr Address Redacted Dale G Hurley Address Redacted Dale G Sprung Address Redacted Dale H Conaway Md & Carla J Conaway Address Redacted Dale Hewson Family Mineral Tr Cheryl Hewson Trustee Address Redacted Dale Hust Address Redacted Dale J Erickson Address Redacted Dale J Tweden And Mary E Tweden Jt Address Redacted Dale K & Theresa Sanderson Address Redacted Dale L Frink Address Redacted Dale L Landers Address Redacted Dale L Pierce Trustee Of Dale L Pierce And Address Redacted Dale L Pierce Trustee Of Dale L Pierce And Ina Jo Pierce Trust Address Redacted Dale L Reifschneider Address Redacted Dale L Schwarzhoff C/O Benson Mineral Group Inc 1560 Broadway Ste 1900 Denver CO 80202 Dale L Winter Address Redacted Dale Lease Acquisitions 2011 LP 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201 Dale Lease Acquisitions 2011-B LP 2100 Ross Ave #1870, Lb-9 Dallas TX 75201 Dale Lerbakken Address Redacted Dale Lien Address Redacted Dale M Filikowski Address Redacted Dale M Grosulak Address Redacted Dale Marsh Address Redacted Dale Norby Address Redacted Dale O Banion Lovett Address Redacted Dale Oyhus Address Redacted DALE PAPINEAU AND CARMIN KLEIN-PAPINEAU Address Redacted Dale Peregrine Minerals LP 2100 Ross Ave Suite 1870 Lb-9 Dallas TX 75201 Dale R Carpentier Life Estate Address Redacted Dale R Schoenle Address Redacted Dale R Wallace Address Redacted Dale Raaum Address Redacted Dale Ray Culver Address Redacted Dale Rene Address Redacted Dale Richard Address Redacted Dale Saxvik Address Redacted Dale Thorpe Address Redacted Dale Tweden Address Redacted Dale V Christopherson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 120 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 123 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dale W Claridge Address Redacted Dale W Eichhorst Address Redacted Dale W Karsky Address Redacted Dale W Romo Address Redacted Dale Williston Minerals 2010 LP 2100 Ross Avenue Suite 1870 Lb 9 Dallas TX 75201 Dale Williston Minerals 2011 2100 Ross Avenue Suite 1870, Lb-9 Dallas TX 75201 Dale Williston Minerals 2011 LP 2100 Ross Ave, #1870, Lb-9 Dallas TX 75201 Dale Williston Minerals 2012 LP 2100 Ross Avenue #1870 Lb-9 Dallas TX 75201 Dale Williston Minerals 2012-B LP 2100 Ross Ave Ste 1870 L-B9 Dallas TX 75201 Dale Williston Mnrls 2012 LP 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201 Dale Williston Royalty LLC 2100 Ross Ave, Ste 1870 Dallas TX 75201 Dale-P Minerals LP 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201 Dale-Peregrine Minerals Fund LP 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201 Dalinda Gilbertson Address Redacted Daljeet Sandhu Address Redacted Dallan B Vogel Address Redacted DALLAS AND CHRISTYN NELSON Address Redacted Dallas D Linson Address Redacted Dallas D. Koons Address Redacted Dallas Engineering Inc PO Box 80707 Fairbanks AK 99708 Dallas Family Trust Craig T & Mary J Dallas - Trustees Address Redacted Dallas Huravitch Address Redacted Dallas V Hetzel Address Redacted Dallas V Hetzel Life Estate Address Redacted Dalta Address Redacted Damian Isaac Sjostrom Address Redacted Damian N Hoelscher Jr Address Redacted Damm, Nathan Address Redacted Damon Charles Yellow Wolf Address Redacted Dan & Alice Synek Mineral Tr Alice Synek - Trustee Cindy Hecker - Poa Address Redacted Dan & Velma Daugherty Address Redacted Dan A Magee Address Redacted DAN A. HUGHES COMPANY, L.P. P. O. DRAWER 669 Beeville TX 78104 Dan Brian Riddle Address Redacted Dan C Mcginnis Address Redacted Dan Carlson Address Redacted Dan Clothier Address Redacted Dan Craig Price Address Redacted Dan Dennis Address Redacted Dan E Weigum Life Estate Address Redacted Dan Faragan A/K/A Daniel Feragen Address Redacted Dan Fladelands Well Serv Inc PO Box 99 Velva ND 58790 Dan Hedger Address Redacted Dan Henry Address Redacted Dan Kenow Address Redacted Dan Lee Vogler Address Redacted Dan Meidinger Address Redacted Dan Obrigewitch Address Redacted Dan P Murphy Address Redacted Dan Patterson Address Redacted Dan R Matejcek Address Redacted Dan Raines Address Redacted Dan Richard Bearden Address Redacted Dan Roth Address Redacted Dan V Borah Trust U/W Dtd 4/16/87 Julie Y Bunn Succ Ttee Address Redacted Dan W Danielson Address Redacted Dana & Patricia Christiansen Living Trust Address Redacted Dana C Larson Address Redacted Dana Clothier Hughes Address Redacted Dana Coates-Gale Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 121 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 124 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dana Daniels Reaud Personal Administrators Inc 3939 Bee Cave Rd Bldg C-100 Austin TX 78746 Dana E Sambor Estate Address Redacted Dana Fiedler Address Redacted Dana G Quale Address Redacted Dana L Deegan Address Redacted Dana L Johnston Address Redacted Dana Lou Harrison Hughes Jon K Hughes Fuller Poa Address Redacted Dana Lynn Gale Address Redacted Dana Lynn Lach Address Redacted Dana M Kafferlin Address Redacted Dana M Mcgoveran Address Redacted Dana Mckinney Address Redacted Dana Pollard Address Redacted Dana Schmoker Address Redacted Dana Wicks Address Redacted Dane A Briggs Address Redacted Dane A Monsour Address Redacted Dane Chemco Inc 19551 E 23rd Ave Aurora CO 80011 Dane Chemco Inc 23770 E Glasgow Pl Aurora CO 80016 Dane Stevenson Resell Address Redacted Dane William Roybal Address Redacted Danelle Bren Address Redacted Danelle Soiseth Address Redacted Danelle Undem Walker Address Redacted Danette Hunts Along Address Redacted Daniel A Schwindt Address Redacted Daniel And Ann Flanigan Jtwros Address Redacted Daniel And Eugenia Zastoupil Address Redacted Daniel Askews Address Redacted Daniel B Bidegaray Address Redacted Daniel B Schael Address Redacted Daniel Barstad Address Redacted Daniel Block Address Redacted Daniel Boltz Revocable Living Trust - Daniel Ray Boltz Trustee Address Redacted Daniel Boone Investment Synd Attn Tim Marshall 10777 Sunset Office Dr Ste 300 Sunset Hills MO 63127-1019 Daniel C Cardin Address Redacted Daniel Cayko Address Redacted Daniel Cayko And Monica R Cayko H/W Address Redacted Daniel D & Barbara Chiappelli Address Redacted Daniel D Devlin Address Redacted Daniel D Wells Address Redacted Daniel Distel Address Redacted Daniel Downs Address Redacted Daniel Duletski Address Redacted Daniel Dunnigan Address Redacted Daniel E Roberts Address Redacted Daniel E Storsteen Address Redacted Daniel F And Bernadette A Prill Address Redacted Daniel F Brablec Address Redacted Daniel Fertig Address Redacted Daniel Fruchtman Address Redacted Daniel G Gallagher Address Redacted Daniel G Hoelscher Address Redacted Daniel G Shultz Address Redacted Daniel Golden Address Redacted Daniel Gustafson Address Redacted Daniel Haines Address Redacted Daniel Harper Benson Estate Address Redacted Daniel Harvey Wolla Address Redacted Daniel Hutzenbiler Address Redacted Daniel I Anderson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 122 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 125 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Daniel J Elstad Address Redacted Daniel J Finney Address Redacted Daniel J Irissarri Address Redacted Daniel J Mahaffey Deborah J Riedel A-I-F Address Redacted Daniel J Materi Address Redacted Daniel J Motis Address Redacted Daniel J Oshaughnessy Trust Daniel J Oshaughnessy Trustee Address Redacted Daniel J Piazzola Address Redacted Daniel J Powell Address Redacted Daniel J Scott Address Redacted Daniel J Stroh Address Redacted Daniel J Wolter Address Redacted Daniel J. Goebel Address Redacted Daniel Kaesberger Address Redacted Daniel Kinden Address Redacted Daniel Kjorstad Address Redacted Daniel L Carscallen Address Redacted Daniel L Fertig Revocable Tr Dtd 4-7-18 - Daniel L Fertig & Debbie J Brooks - Co-Trustees Address Redacted Daniel L Graves Irrevocable Tr Dtd 11/9/1994 Address Redacted Daniel L Kannianen Address Redacted Daniel L Kessel Address Redacted Daniel L Mcclellan Address Redacted Daniel L Sanford Address Redacted Daniel L. Chaussee Address Redacted Daniel Lee Timms Chrstie Renee Ward Poa Address Redacted Daniel M Erickson & Robert A Erickson Co-Ttees Erickson Family Tr Dtd 12/1/01 Address Redacted Daniel M Faiman And Janet M Faiman Address Redacted Daniel M Kowalski Address Redacted Daniel M Tydings & Lois D Tydings North Dakota Trust Dtd 1/18/13 Address Redacted Daniel M Young Address Redacted Daniel M Young & Lynne M Romano J/T Address Redacted Daniel Marsh Address Redacted Daniel Mills Smith Address Redacted Daniel Nathan Birnbaum Address Redacted Daniel Nels Tester Address Redacted Daniel Oneill C/O James A Oneill Md Address Redacted Daniel P Keohane Address Redacted Daniel P Manning Address Redacted Daniel P Marsh Address Redacted Daniel P Zastoupil & Eugenia H Zastoupil Jnt Tnts For Life Address Redacted Daniel P. Windsor Address Redacted Daniel Paul Drovdal Address Redacted Daniel Phelps Address Redacted Daniel Pokeefe Address Redacted Daniel Privratsky Address Redacted Daniel R Boltz Address Redacted Daniel R Delaney Address Redacted Daniel R Kanta Address Redacted Daniel R Mccune Address Redacted Daniel R Miller Address Redacted Daniel R Miller Estate Jerry A Miller Per Rep Address Redacted Daniel R Sebesta Address Redacted Daniel R Stanley Address Redacted Daniel Richard Colton & Laura Elise Abbot Colton Address Redacted Daniel Ryan Address Redacted Daniel S Linneman Address Redacted Daniel S Long Daniel W Long Poa Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 123 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 126 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Daniel S Wicks Address Redacted Daniel Smith Address Redacted Daniel Staniforth Norwood Address Redacted Daniel Stevens Address Redacted Daniel Sweeney Address Redacted Daniel T Bushey Address Redacted Daniel Terry Address Redacted Daniel W Bean A Partnership PO Box 829 Corvallis OR 97339 Daniel Wayne Lee Address Redacted Daniele Alexander Address Redacted Daniele Ida Charlotte Merlo Address Redacted Daniella Labonte Harrington Address Redacted Danielle Alexandra Layne Address Redacted Danielle Brenno-Watterud Address Redacted Danielle Harrington Address Redacted Danielle R Obrien Address Redacted Danielle Tavis Fka Danielle Kadrmas Address Redacted Daniels, John Address Redacted Danine Williams Address Redacted Dankner, Matthew Address Redacted Danna Sebesta Address Redacted Danne Lynne Ward Address Redacted Danner, David Address Redacted Danny C. and Jacqulyn Hendrix Address Redacted Danny E & Connie S King Jt Address Redacted Danny Gray Address Redacted Danny J & Sharon K Smith Trust Dtd 10/18/12 Danny J Smith & Sharon K Smith Trustee Address Redacted Danny J Adams Address Redacted Danny J Gumm Address Redacted Danny J Gumm Estate C/O Dede Gumm-Waggoner, Personal Reprensentative Address Redacted Danny L Edwards Address Redacted Danny M & Georgia K Dutro Ttees Of The Danny M & Georgia K Dutro Revocable Trust Address Redacted Danny P Jarmin & Judy A Jarmin Address Redacted Danny Soulier Address Redacted Danny Stenseth Address Redacted Danny Vetsch Address Redacted Danny Vokal Address Redacted Dans Tire Service Of Williston PO Box 67 Williston ND 58802 Dansby, Casey Address Redacted Danson Oil PO Box 4308 Williston ND 58802 DANSON OIL PO BOX 4308 Williston ND 58802 Daphne Daniel Address Redacted Daphne M Helfrich Address Redacted Daphne P Tanguay Address Redacted Dara L Mount Address Redacted Darby D Rogney Address Redacted Darby Haugen Address Redacted Darby N Moses Address Redacted Darby Obrien Address Redacted Darby'S Welding & Machine Inc 78 48th Ave Sw Dickinson ND 58601 Darby's Welding & Machine Inc. Attn: Timothy F. Nixon 200 S Washington Street Suite 100 Green Bay WI 54301 Darcey A Erickson Address Redacted Darci Benton Address Redacted Darcie Jocelyn Baker Clark - Deceased Address Redacted Darcy F Kanta Address Redacted Darcy Hanson Address Redacted Darcy Lynn Vanluchene Estate Address Redacted Darcy Partners Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 124 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 127 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 1415 LOUISIANA STREET, SUITE DARCY PARTNERS WEDGE INTERNATIONAL TOWER 3460 Houston TX 77002 Darcy Partners LLC 1415 Louisiana St Ste 3460 Houston TX 77002 Darcy R Zeman Address Redacted Dardon Energy LLP PO Box 167 Bottineau ND 58318 Daren L Pladson Address Redacted Daren Wing Address Redacted Darian Scott Address Redacted Darik Hoff Address Redacted Darin D Danielson Address Redacted Darin Feehan Address Redacted Darin R Larson Address Redacted Darius R And Marna Frick Address Redacted Darl A Thompson And Rose M Thompson Jtwro Address Redacted Darla Colleen Fosburgh Address Redacted Darla Cooper Address Redacted Darla Huebner Address Redacted Darla J Craft Address Redacted Darla Jean Morken Address Redacted Darla S Colebank Address Redacted Darlene A Birney Address Redacted Darlene and Larry Faulkner Address Redacted Darlene Bulanek Kern Address Redacted Darlene C Mitchell Address Redacted Darlene D Hill Address Redacted Darlene Dellabovie L/E Address Redacted Darlene F & Larry Faulkner J/T Address Redacted Darlene F And Larry Faulkner Address Redacted Darlene F Peterson Rev Liv Tr U/T/A Dated June 29, 2006 Robert L Dorszynski Trtee Address Redacted Darlene Faulkner Address Redacted Darlene Fritz Address Redacted Darlene Hipp Address Redacted Darlene J Beard Address Redacted Darlene J Devlin Estate Daniel D Devlin Jr & Robert C Devlin Co-Personal Reps Address Redacted Darlene J Fonda-Reed Address Redacted Darlene K Fisk Address Redacted Darlene Kinsey Life Estate Address Redacted Darlene Klein Life Estate Address Redacted Darlene L Hansen Address Redacted Darlene Larsen Address Redacted Darlene M Rustad Address Redacted Darlene M Swenson 2015 Trust Darlene Swenson - Trustee Address Redacted Darlene M Walter Address Redacted Darlene Marentette Davies Address Redacted Darlene O'Farrell Address Redacted Darlene Pasley Address Redacted Darlene Patricia Ripplinger Estate Randy Ripplinger, Personal Rep Address Redacted Darlene Rose Geivett Crouse Address Redacted Darlene Rose Treider Address Redacted Darlene Seifert Address Redacted Darlene Swenson Address Redacted Darlene V Buehler Ttee Darlene V Buehler Trust U/A Dtd 9/1/93 Address Redacted Darlene Volpe Address Redacted Darlene Volpe Life Estate Address Redacted Darley Enterprises Inc 8633 Lake Murray Blvd #3 San Diego CA 92119 Darline M Meyers Estate Address Redacted Darlyn V Werner John Werner Poa Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 125 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 128 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Darnell B Obrien Address Redacted Darold W Phinney Address Redacted Darr Revocable Trust Marie Jeanne Darr Trustee Address Redacted Darrel D Brendle Address Redacted Darrel D Grissamer Address Redacted Darrel E Salyards & Joan B Salyards, H/W Address Redacted Darrel H Swenson And Joie P Swenson Joint Tenants Address Redacted DARREL KAISER & DEANNA KAISER Address Redacted Darrel Kaiser & Deanna Kaiser Joint Tenants Address Redacted Darrel L Humphreys & Cheryl A Humphreys, Jnt Tnts Address Redacted Darrel Labonte Address Redacted

Darrel Lynn Humphreys & Cheryl A Humphreys, Jnt Tnts Address Redacted Darrel Robert Sylvia Address Redacted Darrell & Judy Rud Family Rev Living Trst Dtd 6/16/14 Darrell & Judy Rud Trustees Address Redacted Darrell Allen Bridges Address Redacted Darrell Anderson Address Redacted Darrell Biksen C/O Lorraine Schmelzer Address Redacted Darrell C Rud Address Redacted Darrell D & Bette M Johnson Living Trust - Darrell & Bette Johnson - Trustees Address Redacted Darrell Dean Forthun Address Redacted Darrell Ditch Address Redacted Darrell Dolechek Address Redacted Darrell E & Kerry G Finsaas Jt Address Redacted Darrell H Moberg Address Redacted Darrell H Rohde Address Redacted Darrell L Corliss Address Redacted Darrell Leroy Njos And Della M Njos Address Redacted Darrell Longdo Address Redacted Darrell Nygard Address Redacted Darrell P Bruns Address Redacted Darrell Rogness Address Redacted Darrell Snyder Address Redacted Darrell Snyder Jr Address Redacted Darrell Traynor Address Redacted Darrell W Marker Address Redacted Darrell W Schwindt Address Redacted Darrell Wicks Address Redacted Darrell Wilson Address Redacted Darren B Erickson Address Redacted Darren Hurley Address Redacted Darren Link Address Redacted Darren Medlock Address Redacted Darren Roy Nettrouer Address Redacted Darren Schmoker Address Redacted Darrin P Snyder Address Redacted Darrin S Hanson Address Redacted Darroll O Thomas C/O Tracey L Thomas Address Redacted Darrow Gene Christensen Address Redacted Darryl And Sophia Resig Address Redacted Darryl Berg Address Redacted Darryl Hanson Address Redacted Darryl L Erickson Address Redacted Darryl L Wilson & Angela Wilson Address Redacted Darryl Papineau Address Redacted Darryl T Chilton Address Redacted Darryll R Hagen Address Redacted Darvel E Vickers Address Redacted Darvin Robins Address Redacted Darvin Wicks Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 126 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 129 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Darwin A Leek Address Redacted Darwin And Debra Yttredahl Family Mineral Trust, Darwin Yttredahl And Address Redacted Darwin Ballantyne Address Redacted Darwin Gunderson Address Redacted Darwin Lundeen Address Redacted Darwin Maasjo Address Redacted Darwin Seibert Address Redacted Darwin Yttredahl Address Redacted Darwood Lee Oachs Address Redacted Daryl A Beam And Carol A Beam Address Redacted Daryl Boyle Address Redacted Daryl Brent Rutz Address Redacted Daryl Counsell Address Redacted Daryl D Oien Address Redacted Daryl J Hickel Address Redacted Daryl John Benien Address Redacted Daryl K Vetsch Address Redacted Daryl L Hinderer Address Redacted Daryl Locken & Pam Locken Address Redacted Daryl Norgaard Address Redacted Daryl R Stewart Address Redacted Daryl Splichal Address Redacted Daryl T Pankowski Address Redacted Daryl Vaughn Cope C/O Chris Shuey Address Redacted Daryl W Hodnefield Address Redacted Daryl Zarak Address Redacted Dash & Catherine Comford Rev Tst Dakota Comm Bank & Tst Na Trustee Address Redacted DASH COMFORD Address Redacted DATA REPRODUCTION SERVICES, INC. 17 BUCKINGHAM COURT Cartersville GA 30120 DATA SCAVENGER (US) INC. SUITE 200 407 3RD ST SW Calgary AB T2P 4Z2 Canada Data Scavenger Inc Ste 200 407 3rd St Sw Calgary AB T2P 4Z2 Canada Database Concepts, Inc. P O Box 2636 Austin TX 78768 DATABASE CONCEPTS, INC. P.O. BOX 2636 Austin TX 78768 DATAIMAGE 1900 FROST ROAD STE 100 Bristol PA 19007 Dataimage Inc 1900 Frost Road Ste 100 Bristol PA 19007

DATAIMAGE, INC 67 WEST 13490 SOUTH, SUITE 300 Draper UT 84020 Datalog Lwt Inc 228 Nw 59 St Oklahoma City OK 73118 Datapages Inc PO Box 979 Tulsa OK 74101-0979 733 S. Marquette Ave, Suite Datasite LLC Leif Simpson Baker Center 600 Minneapolis MN 55402 DATATEL, INC. 6200 HUMPHREY STREET SUITE I Harahan LA 70123 Datavail Corporation 11800 Ridge Pkwy Ste 125 Broomfield CO 80021 Daughtry, Steven Address Redacted Daun T Wick Joint Tenants Address Redacted Daundra Ashwyn-Seeling Address Redacted Daundra Ashwyn-Seeling & Robert W Seeling Address Redacted Dave Hendrickson Address Redacted Dave Mchugh Address Redacted Dave Neligh Photography Inc PO Box 811 Denver CO 80201 DAVE NORRIS CONSULTING LLC Address Redacted Dave Norris Consulting LLC PO Box 415 Evanston WY 82931-0415 DAVE NORRIS CONSULTING, LLC PO BOX 415 Evanston WY 82931 Davenport & Company LLC Kim Nieding 901 East Cary St 11th Floor Richmond VA 23219 Daves Engines Service & Repair 71 South 14th Ave Dr Brighton CO 80601 David & Barbara Swanson Ttees David & Barbara Swanson Trust Dtd 1/25/11 Address Redacted David & Bridget Kjorstad Joint Tenants Address Redacted David & Delores Zastoupil Family Trust Dtd 1/26/11 Keith Zastoupil & Kathy Childs Co-Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 127 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 130 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David & Evelyn Moline Trust Charles D Moline Ttee Address Redacted David & Karynne Duncan Address Redacted David & Kathleen Drovdal Miner Rights Rev Living Trst Dtd 01/01/13 David & Kathleen Ttee Address Redacted David & Linda L Mcadoo Joint Tenants Address Redacted David & Marilyn Mork Joint Tenants Address Redacted David & Pat Wahus J/T Address Redacted David & Vivian Meiers Address Redacted David (Kelly) Corbell Address Redacted David A Anderson Address Redacted David A Blasi Address Redacted David A Dahl Address Redacted David A Farrell Address Redacted David A Foss Family Trust Diana L Foss, Nicholas D Foss, Britta K Enget - Trustees Address Redacted David A Foss Living Trust Diana L Foss,Nicholas D Foss & Britta K Enget - Trustees Address Redacted David A Foss Living Trust Dtd 8-25-15 -- David A & Diana Foss - Trustees Address Redacted David A Gravrock Address Redacted David A Hanson Address Redacted David A Haverberg Address Redacted David A Hoff Address Redacted David A Hoffman Address Redacted David A Isom C/O Mary Susanne Isom Address Redacted David A King Address Redacted David A Lien Address Redacted David A Logosz And Karen M Logosz Jt Tnt Address Redacted David A Moe Address Redacted David A Nelson Address Redacted David A Noteboom Address Redacted David A Papineau Address Redacted David A Rice Address Redacted David A Rice Dba Shiloh Petroleum Resources 1903 Normandy Drive Richardson TX 75082 David A Ross Address Redacted David A Tattu Address Redacted David A Valentine Address Redacted David A Wold Revocable Trust Dtd 12/21/17 - David A Wold Trustee Address Redacted David A. Vaaler & Nan Vaaler Address Redacted David Aftem Address Redacted David Alan Edwards Address Redacted David Alan Paluck Address Redacted David Albrecht Address Redacted David Almond Address Redacted David And Susan Peterson, Jt Address Redacted David Andres Address Redacted David Andrew Edlund Address Redacted David Axtman And Elaine Axtman Hw Address Redacted David B & Marlene A Panning Revocable Trust Dtd 4-27- 19 David & Marlene Panning - Tr Address Redacted David B Alfson Address Redacted David B Anderson Address Redacted David B Kassner Address Redacted David B Legett Address Redacted David B Skelton Address Redacted David B Williams Address Redacted David Bacon Address Redacted David Barbosa Address Redacted David Barelle Address Redacted David Beck Address Redacted David Bennet Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 128 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 131 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David Berkey Address Redacted David Bickford Address Redacted David Bobak Address Redacted David Bond Kavanaugh Address Redacted David Bradley Parker Address Redacted David Bray Address Redacted David Brevik Address Redacted David Brian Rickert Address Redacted David Brusven And Mary Brusven Joint Tenants Address Redacted David Buen Address Redacted David C Braaten Address Redacted David C Davidson Nancy Davidson Address Redacted David C Dobbins Address Redacted David C Edwards Address Redacted David C Finsaas Address Redacted David C Harvey And Dixie R Harvey Address Redacted David C Hess Address Redacted David C Kisling Address Redacted David C Laroque Address Redacted David C Morris Address Redacted David C Reetz Address Redacted David C Robb Address Redacted David C Sanderson Address Redacted David C Sugarek Address Redacted David C Watterson Address Redacted David C. Lugert Address Redacted David Callon Ayers Address Redacted David Carl Hedstrom Address Redacted David Cartier Address Redacted David Christianson Address Redacted David Clayton Lusk Address Redacted David Craig Stanford Trustee - Udt 5/11/11 Address Redacted David Crosby Address Redacted David D & Nancy L Givens Lvg Tst David & Nancy Givens Ttes Address Redacted David D And Edith M Mcnamara Address Redacted David D Busenhart Address Redacted David D Hord Address Redacted David D Kerbaugh Address Redacted David D Kojetin Address Redacted David D Mcnamara Address Redacted David D Reed Jr Trust 11-20-08 Joan Hamilton Trustee Address Redacted David Dace Address Redacted David Daley Address Redacted David Danner Address Redacted David Demaniow Address Redacted David Derhak Address Redacted David Drievold Address Redacted David E Anderegg Address Redacted David E Anderson Address Redacted David E Berrier Address Redacted David E Binde Address Redacted David E Brush Address Redacted David E Dolyniuk Address Redacted David E Emly Address Redacted David E Erdahl Address Redacted David E Frye Address Redacted David E Hardy Address Redacted David E Meiers Address Redacted David E Myers And Hali R Myers As Jts Address Redacted David E Rykowski Address Redacted David E Schlatter Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 129 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 132 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David E Sundheim Address Redacted David E Toft Address Redacted David E Uhl Address Redacted David E Uhl Mineral Interests Lawrence Uhl- Trustee Address Redacted David Earl Whitaker Address Redacted David Edward Rice Address Redacted David Elliot Stanford And Cecilia Mikkelsen Stanford Joint Tenants Address Redacted David Erickson Address Redacted David Etzel Address Redacted David F Crain Exempt Trust David F Crain Trustee Address Redacted David F Grafe Address Redacted David F Long Address Redacted David F Macdowell Address Redacted David F Machala Address Redacted David F Mcilwain Address Redacted David F Metz Trust Address Redacted David Falcon Trustee Falcon Irrevocable Trust Address Redacted David Fantz Address Redacted David Fithian Address Redacted David Frederick Mikelson Address Redacted David Frederickson Address Redacted David G & Betty J Miller Lt Address Redacted David G And Betty J Miller Lt Betty J Miller Trustee Address Redacted David G And Linda C Keup Address Redacted David G Linde Address Redacted David G Majewski Address Redacted David G Miller Estate Trust Betty J Miller, Trustee Address Redacted David G Monti Address Redacted David Gary Focht Address Redacted David Gary Mcginnis Address Redacted David Golden Address Redacted David H & Marilyn H Bos Jtwrs Address Redacted David H Clarke Address Redacted David H Siira Address Redacted David H Waters Address Redacted David H, Dottie M, Jon M & Peter D Ellingson J/T Address Redacted David Halstead Address Redacted David Hancock Address Redacted David Hanson Address Redacted David Harwood Curtis Jr Address Redacted David Haugen Address Redacted David Havelka Address Redacted David Helm Address Redacted David Henry Vanderberg Life Estate Address Redacted David Hilton Gish Address Redacted David Holl Address Redacted David Holten Address Redacted David J & Lori Patterson Address Redacted David J & Nadine L Melland Joint Tenant Life Estate Address Redacted David J & Paula J Hogue J/T Address Redacted David J Cavett Address Redacted David J Cook Address Redacted David J Doke Address Redacted David J Dvorak Address Redacted David J Erickson Address Redacted David J Flackman Address Redacted David J Kary Address Redacted David J Lassey Address Redacted David J Mcdanold Address Redacted David J Perrin Address Redacted David J Ridl Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 130 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 133 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David J Sorenson Address Redacted David J Stenberg Address Redacted David J Sweeney Address Redacted David J Tregilgas Address Redacted David J. Gibson Address Redacted

David Jackman Jr Trust C/O Turkey Beard Petroleum Inc Address Redacted David Jaffe Testamentary Trust James M Schendle Trustee Address Redacted David Jason French Address Redacted David John Guinn - Deceased Address Redacted David Jon Zeve 2005 Trust David J Zeve Trustee Address Redacted David K & Susan Goodell Address Redacted David K Denowh Address Redacted David K Elwood Address Redacted David K Manning Jr Address Redacted David K Wise Address Redacted David K Wood Address Redacted David Keith Greenwald & Jan Marie Greenwald Living Tr David & Jan Greenwald - Co-Tr Address Redacted David Kilgore Address Redacted David King & Terry L Lawrenson Address Redacted David Kirk Address Redacted David Kjorstad Address Redacted David Klym Address Redacted David Knudsen Address Redacted David Kovar Address Redacted David L & Denae M Hoffmann Joint Tenants Address Redacted David L & Karen A Willhite Address Redacted David L And Sharon Alexander Address Redacted David L Arens IRA Address Redacted David L Berg Address Redacted David L Burk Address Redacted David L Clark Address Redacted David L Erickson Address Redacted David L Finn Address Redacted David L Goldin Address Redacted David L Grant Address Redacted David L Hanson And Rita A Hanson Trustees Of The David & Rita Hanson Family Trt Address Redacted David L Heller TOD Address Redacted David L Jones Address Redacted David L Kubas Address Redacted David L Nelson Address Redacted David L Rostomily Address Redacted David Lawrence Address Redacted David Lee Reed Address Redacted David Lickteig Address Redacted David Loftus Furrh Address Redacted David Louis Baird Address Redacted David Lundeen Address Redacted David Lynn Johnson Address Redacted David M & Jill K Hovde Joint Tenants Address Redacted David M And Janel Wolf Jt Address Redacted David M Bushey Address Redacted David M Claridge Address Redacted David M Fender Gst Exempt A Trust Address Redacted David M Fender Gst Non-Exempt A Trust Address Redacted David M Lill Address Redacted David M Patterson Address Redacted David M Pauly Jr Address Redacted David M Reis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 131 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 134 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David M Schaff & Rebecca R Schaff Address Redacted David M Schell Address Redacted David M Schwehr & Lawrence J Schwehr J/T Address Redacted David M Seery Address Redacted David M Seidner Address Redacted David M Sherman Address Redacted David M Simpson Address Redacted David M Stein Trust David & Karen Stein Ttees Address Redacted David M Tofte Address Redacted David M Weymouth Trustee Address Redacted David M Wolf & Janel L Wolf Address Redacted David M Wolter Address Redacted David Magnuson Address Redacted David Malcolm Durham Address Redacted David Mark Birnbaum Address Redacted David Markovic Address Redacted David Maurice Culver Address Redacted David Mcadoo Address Redacted David Mcknight Trst Agency C/O Wells Fargo Bk Tx Na Address Redacted David Mcknight Trustee C/O Wells Fargo Bank Agent Address Redacted David Mecham Address Redacted David Meixell Address Redacted David Michael Geivett Address Redacted David Miles Trust C/O Meno Guaranty Bank Address Redacted David Miller Family Trust Somer Leigh Pugliese, Ttee Address Redacted David Mulholland Address Redacted David Myrick Jr Address Redacted David N Rebol Address Redacted David N Wanner Address Redacted David N Wanner & Jeanne R Wanner, Jnt Tnts Address Redacted David Nelson Address Redacted David Nketsiah Address Redacted David Noel & Sandra L Power Address Redacted David Nygard Address Redacted David O Drovdal Address Redacted David O Njos And Mary A Njos Address Redacted David Oneil Address Redacted David Oneill Foley Address Redacted DAVID P & LINDA K KJELSTRUP Address Redacted David P & Linda K Kjelstrup Kjelstrup Farms Address Redacted David P Abernethy Address Redacted David P Catterson Address Redacted David P Cvancara Address Redacted David P Neil Address Redacted David P Sorben Address Redacted David P Vinson Address Redacted

David Parrent Special Needs Tr Danny R Parrent Trustee Address Redacted David Paul Pierson Address Redacted David Pavlish Irrev Trust Dtd 03/22/07 Bennie Pfau Trustee Address Redacted David Penney C/O Gladys Penney Address Redacted David Petersen Address Redacted David Peterson Address Redacted David Phelps Address Redacted David Polanchek & Marjorie Address Redacted David Powell Badgley Jr Address Redacted David R & Sharon K Forth Jtwros Address Redacted David R Anderson Address Redacted David R Bickerstaff Address Redacted David R Dix Address Redacted David R Duncan Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 132 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 135 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David R Elliott Address Redacted David R Fantz Address Redacted David R Gilson Address Redacted David R Marsh & Dolores Marsh Revoc Trust Dtd 1/21/1992 Address Redacted David R Mcdonald Address Redacted David R Pagel Address Redacted David R Sande Address Redacted David R Shafer Address Redacted David R Stiles Address Redacted David R Stuart & Magaly C Stuart Address Redacted David R Suess Address Redacted David R. Shetler Address Redacted David Rang Address Redacted David Reed Address Redacted David Reis Address Redacted David Renbarger Address Redacted David Richard Lockwood Address Redacted David Richman Address Redacted David Rolfsrud Address Redacted David Rossland Address Redacted David Roy Stephens Address Redacted David Russell Address Redacted David S & Debra P Grinnan Address Redacted David S Evenden Address Redacted David S Huntley Address Redacted David Sand Address Redacted David Sands Address Redacted David Scott Gannaway Address Redacted David Seamon Address Redacted David Sheets Address Redacted David Sheppard Grinnan Address Redacted David Silvas Address Redacted David Slette Address Redacted David Stransky Address Redacted David Sunderland Address Redacted David T Holt Address Redacted David T Will Address Redacted David Thomas Address Redacted David Thomson Address Redacted David Tollefson Ttee Mildred L Tollefson Mineral Tr Address Redacted David Tomljanovich Address Redacted David Urban & Bertha Urban Address Redacted David V Kubas Life Estate David L Kubas And Kathleen Hibl Co-Representatives Address Redacted David V Sadowsky Address Redacted David Vandeveer Address Redacted David W & Michelle D Johnson Jt Address Redacted David W Arnson And Janice B Arnson Husband And Wife Joint Tenants Address Redacted David W Boswell Address Redacted David W Burkland Address Redacted David W Carpenter Address Redacted David W Converse Life Estate Craig Leonard Remainderman Address Redacted David W Fisketjon Address Redacted David W Hutter Address Redacted David W Johnson Address Redacted David W Knickel Dba Koala Gp LLC Address Redacted David W Prociw Address Redacted David W Wicks Address Redacted David W Zuvanich Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 133 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 136 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country David W Zwart Address Redacted David Wayne Vosper Address Redacted David Wedum Address Redacted David Whitaker Address Redacted David Widner Address Redacted David Williams Address Redacted David Winsauer Address Redacted David Wold Address Redacted David Y Rogers Address Redacted David Zigan Address Redacted Davide W. Moniz Address Redacted Davidge E Mcnutt Special Supplemental Care Trust Fb Acct No Wc827 Address Redacted Davie J Hill Address Redacted Davie J Hill Family Mineral Tr Address Redacted Davinci Investments LLC PO Box 1939 Fargo ND 58107 Davis & Davis Company PO Box 9922 Denver CO 80209-0922 Davis & Glenda Littlefield Jt 3313 Nebraska Dr Unit 1 Bismarck ND 58503 Davis Exploration LLC 3330 Cumberland Blvd Se Ste 425 Atlanta GA 30339 DAVIS EXPLORATION LLC 3330 CUMBERLAND BLVD SE STE 425 Atlanta GA 30339 Davis G Gomez PO Box 143 Plains TX 79355 DAVIS GRAHAM & STUBBS LLP 1550 17TH STREET SUITE 500 Denver CO 80202 DAVIS GRAHAM & STUBBS LLP 1550 17TH STREET SUITE 500 Denver CO 80202 Davis Graham & Stubbs LLP Attn: Gregory R. Danielson 1550 17th Street Suite 500 Denver CO 80202 Davis Graham & Stubbs LLP Sara Kraeski 1550 17th Street Suite 500 Denver CO 80202

DAVIS OIL COMPANY C/O CT CORPORATION SYSTEM 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 Davis Partners PO Box 271 Midland TX 79702 DAVIS PARTNERS LTD P O BOX 271 Midland TX 79702

DAVIS PETROLEUM CORPORATION C/O CT CORPORATION SYSTEM 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 Davis, Amy Address Redacted Dawley Diane Westman 2014 Rev Trust - Dawley Westman - Ttee Address Redacted Dawn Callen Address Redacted Dawn D & William Baty Life Tenants Address Redacted DAWN F COLVIN Address Redacted Dawn Faddis Cordova Address Redacted Dawn Harris Address Redacted Dawn Howard Address Redacted Dawn Knudson Address Redacted Dawn L Coleman Address Redacted Dawn L Jenkins Address Redacted Dawn M Bruton Address Redacted Dawn M Fisher Address Redacted Dawn M Kirkham Address Redacted Dawn M Ressler Address Redacted Dawn M Walsh Address Redacted Dawn Maarten Address Redacted Dawn Marie Hicks Address Redacted Dawn Marie Jones Address Redacted Dawn Price Address Redacted Dawn R Harris Address Redacted Dawn R Wiedmer Address Redacted Dawnette M Thilquist Address Redacted Daws, Christopher Address Redacted Dawson County Address Redacted DAWSON GEOPHYSICAL COMPANY INC 508 W WALL STE 800 Midland TX 79701 Dawson LLC 2404 Oak Hollow Ardmore OK 73401 Dawson, Chad Address Redacted Dawson, Kathryn Address Redacted Day, Brandon Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 134 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 137 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dayna L Deutsch Address Redacted Dayton Traxel Address Redacted Daytona Susanne Mccullough Address Redacted Dbe Manufacturing & Supply LLC 431 5th St Greeley CO 80631 Dc Power Tong LLC PO Box 7863 Williston ND 58802 Office Of Finance & Treasury Dc Treasurer Unclaimed Property Division 1101 4th Street Sw Ste 800W Washington DC 20024 Dcaco LLC 1219 Mayview Rd Pittsburgh PA 15241 Dcb 1998 Trust Ben J Fortson Jr Trustee Address Redacted Dcp Investments LLC 1365 Ambassador Way Salt Lake City UT 84108 DCP MIDSTREAM, LP 1000 LOUISIANA SUITE 4300 Houston TX 77002 DCP MIDSTREAM, LP PREVIOUSLY GPM GAS CORPORATION 1000 MAIN STREET LEVEL 15 Houston TX 77002 DCP MIDSTREAM, LP PREVIOUSLY PHILLIPS PETROLEUM COMPANY 1000 MAIN STREET LEVEL 15 Houston TX 77002 Dcss Holiday Hope Address Redacted Dd Southern Holdings LLC Attn: Ladonna L Gooden Manager 11705 Se 321St Place Auburn WA 98092-4845 Ddfs Partnership LP C/O Grp Energy Lp (Poa) 5956 Sherry Ln Ste 1221 Dallas TX 75225 Ddm Real Estate Trust Laurie A Abell 5563 124th Ave Nw Epping ND 58843 DDM REAL ESTATE TRUST Address Redacted Ddm Real Estate Trust Laurie A Abell 5563 124th Ave Nw Epping ND 58843 DDM REAL ESTATE TRUST, LAURIE ABELL Address Redacted Ddt Services PO Box 286 Wibaux MT 59353 De De Gumm Waggoner PO Box 1212 La Grange TX 78945 DE LINEA CV CORP Lionx Advisors / Silvia Rosen 1221 Brickell Avenue Suite 914 Miami FL 33131 DE LINEA CV CORP Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 De Soto Royalty Co LLC 3131 Mckinney Ave Ste 430 Dallas TX 75204 Deadwood Canyon Ranch LLP PO Box 3111 Bozeman MT 59772-3111 Deal Iq Inc First Canadian Place 100 King St West Ste 5700 Toronto ON M5X 1C7 Canada DEAL IQ INC FIRST CANADIAN PLACE 100 KING ST WEST STE 5700 Toronto ON M5X 1C7 DEAL IQ INC. FIRST CANADIAN PLACE 100 KING ST. WEST SUITE 5700 Toronto ON M5X 1C7 Canada DEAL IQ INC. FIRST CANADIAN PLACE 100 KING ST. WEST SUITE 5700 Toronto ON M5X 1C7 Canada Dean & Cydney Christensen Address Redacted Dean A Ostenaa Address Redacted Dean A Perzinski Address Redacted Dean A Swanson Address Redacted Dean And Bonnie Helling Revocable Trust Dean Helling - Trustee Address Redacted Dean C & Amy L Hayes Address Redacted Dean C & Marsha A Kjosen J/T Address Redacted Dean C Christensen Address Redacted Dean C Kjosen Address Redacted Dean Clark Eklund Trustee Of The Eklund Revocable Trust Dtd 05/12/93 Address Redacted Dean D And Donna Hepper Address Redacted Dean D Christoffersen Address Redacted Dean Deming Address Redacted Dean E Dennis Address Redacted Dean F & Beverly A Marsh Revocable Living Trust - Dean & Beverly Marsh - Trustees Address Redacted Dean F Lang A Minor Fatima Allen Custodian Address Redacted Dean F Pettis Address Redacted Dean Family Living Trust Lorlys C Dean & Charlene Dean Trustees Address Redacted Dean G Norby Address Redacted Dean George Murray Address Redacted Dean Hanson (Deceased) Address Redacted Dean Hartman Address Redacted Dean J Tangedal Address Redacted Dean Kinnischtzke Address Redacted Dean Knudsvig Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 135 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 138 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dean Knudsvig & Lois Knudsvig Address Redacted Dean Kubas Address Redacted Dean Louis Mikelson Address Redacted Dean Morgan Address Redacted Dean Papineau Address Redacted Dean R & Cathleen Strinden, Trustees Strinden Family Revocable Trust Address Redacted Dean R Bauste Trucking Inc ND 58801 Dean R Bauste Trucking Inc 15224 40th St NW Williston ND 58801 Dean R Bauste Trucking Inc 15224 40th St Nw Williston ND 58801 Dean R Costello Address Redacted Dean Raan Address Redacted Dean Rankin Address Redacted Dean T Wheeler And Rebecca J Wheeler Jtwros Address Redacted Dean Vogel Address Redacted Dean W Aafedt Address Redacted Dean W Gatzemeier Address Redacted Deana Bauer Address Redacted Deana Marie Courvoisier Address Redacted Deane C Epler Jr C/O Nancy Shelton Address Redacted Deane Mansfield Kelley Address Redacted Deane R Carlson Address Redacted Deane Rustad Address Redacted Deann C Christensen Address Redacted Deann L Jarmin Address Redacted Deann Lenz Address Redacted Deanna Burkart Address Redacted Deanna Dale Del Mastro Thompson Address Redacted Deanna Gallagher Address Redacted Deanna J Lien Address Redacted Deanna L & Troy P Donnelly Joint Tenants Address Redacted Deanna L Donnelly Address Redacted Deanna L Gratrix Address Redacted Deanna M Osterberg Address Redacted Deanna Meredith Address Redacted Deanna Priola Address Redacted Deanna Sorenson Address Redacted Deanna Sparks Address Redacted Deanna Vihnanek Address Redacted Deanna Wells Address Redacted Deanne Gibeault Address Redacted Deanne Horn Address Redacted Deanne Horn Revocable Trust Deanne Horn Trustee Address Redacted Deanne L Gilbert Address Redacted Deanne Olson Frarck Address Redacted Dearman Systems Inc Address Redacted Deats Family Trust Robert W Deats Trustee Address Redacted Debarah Nelson Address Redacted Debbi K Vicencio Address Redacted Debbie Allard Address Redacted Debbie Allard & Allan Allard W/H Address Redacted Debbie Averill Address Redacted Debbie Bakel Address Redacted Debbie Bender Address Redacted Debbie Erickson Address Redacted Debbie F Ramirez Address Redacted Debbie Halphide Aafedt Address Redacted Debbie Houston Address Redacted Debbie Kainz-Brodie Address Redacted Debbie Kostiuck Address Redacted Debbie Manduley Address Redacted Debbie Mikkelson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 136 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 139 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Debbie New Address Redacted Debbie Northrop Address Redacted Debbie Richie IRA Charles Schwab Debbie Richie 238 Wickwood Spring TX 77386

Debbie Richie IRA Charles Schwab Debbie Richie/IRA % Charles Schwab 2423 E. Linoln Drive Mail stop 01-018572 Phoenix AZ 85016 Debbie Schmitt LLC PO Box 47 Great Bend KS 67530 Debbie Sisco Address Redacted Debbie Vaira And Jack Vaira Address Redacted Debbie Whittemore Address Redacted Debbra K Hoffman Address Redacted Debbra L Arndt Address Redacted Debby R Jones Address Redacted Deberah Hatton Address Redacted Deboer, Bruce Address Redacted Debora Annala Address Redacted Debora Marchesini Address Redacted Debora Seaman Address Redacted Deborah A Wolfe Address Redacted Deborah Ann Zomermaand Address Redacted Deborah Anne Bakke Address Redacted Deborah Bacon Address Redacted Deborah Boam Address Redacted Deborah Corliss Address Redacted Deborah De Geus Address Redacted Deborah Flynn Address Redacted Deborah Frahm Address Redacted Deborah G Halvorson Address Redacted Deborah H Chorney Address Redacted Deborah H Williamson Address Redacted Deborah Heen Address Redacted Deborah J Carpenter Address Redacted Deborah J Myers Address Redacted Deborah J Riedel Address Redacted Deborah Jackson Shammo Tr 01/0 Plains Capital Bank Trustee Address Redacted Deborah Jane Kelly Slaughter Address Redacted Deborah Joanne Unruh Address Redacted Deborah Josephine Knoche Address Redacted Deborah K Demars Address Redacted Deborah K Gilliland Address Redacted Deborah K Mosher-Davis Address Redacted Deborah K Peacock Address Redacted Deborah K Poundstone Address Redacted Deborah Kong Address Redacted Deborah L Braasch Address Redacted Deborah L Mladenka Address Redacted Deborah L Rooks Address Redacted Deborah L Tomas Address Redacted Deborah M Bednarczyk Gazett Address Redacted Deborah Milano Address Redacted Deborah Miller Address Redacted Deborah Moorman Address Redacted Deborah N. Mitchell Inhented IRA Address Redacted Deborah Reed Sims Address Redacted Deborah S Euren Address Redacted Deborah Scheerz Address Redacted Deborah Staton Address Redacted Deborah Sue Bridgefarmer Address Redacted Deborah Sue Halligan Address Redacted Deborah Sue Johnson Southwest Restoration Address Redacted Deborah Van Damme Address Redacted Deborah Wald Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 137 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 140 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Debra & Bradley Hoffarth Jt Address Redacted Debra A Anderson Address Redacted Debra A Haglund Address Redacted Debra A Morgan Address Redacted Debra A Saldana Address Redacted Debra Ann Bearce Address Redacted Debra Ann Clemens Address Redacted Debra Ann Solheid Address Redacted Debra Ann Wells Address Redacted Debra Anne Lee Address Redacted Debra Bahley Aka Debra M Bahley Address Redacted DEBRA BEAN MITCHELL Address Redacted Debra Blackman Address Redacted Debra C Armentrout Address Redacted Debra C Elder Address Redacted Debra C Reeves Vergnani Address Redacted Debra D Hollister Address Redacted Debra D Linder Address Redacted Debra Davey Address Redacted Debra Elaine Nay Address Redacted Debra Elsberry Address Redacted Debra G Paul Address Redacted Debra Ganske Address Redacted Debra Gillespie Miller Address Redacted Debra Golden Address Redacted Debra Grace Address Redacted Debra H Mann Address Redacted Debra Hunt Trust Montana Department Of Revenue Case No: Dv-15-3 Address Redacted Debra J & Frederick M Aho Jt Address Redacted Debra J Philo Address Redacted Debra J Smith Revocable Trust Dtd 6-28-2010 Debra J & Mark Smith Ttees Address Redacted Debra J Tomanek Address Redacted Debra Jean Fraini Address Redacted Debra Jo Cooley Address Redacted Debra Jo Hawkins Address Redacted Debra K Burr Address Redacted Debra K Duarte Address Redacted Debra K Lamp Address Redacted Debra K Lysne Address Redacted Debra K Romanyshyn Address Redacted Debra K Schillinger Address Redacted Debra K Turner Address Redacted Debra K Wright Address Redacted Debra Kay Drovdal Life Estate Address Redacted Debra L Belcastro Address Redacted Debra L Crossland Address Redacted Debra L Fisher Address Redacted Debra L Kennedy Address Redacted Debra L Messer Address Redacted Debra L Olson Ryan Olson - Poa Address Redacted Debra L Vaira Address Redacted Debra Lee Cotter Address Redacted Debra Lynn Vance Address Redacted Debra M Miranda Address Redacted Debra M Olson Address Redacted Debra Mae Munro Address Redacted Debra Mae Tjelde Address Redacted Debra Mccloud Address Redacted Debra Mcfarland Address Redacted Debra Myers Kloth Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 138 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 141 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Debra Oleary Kurtz Address Redacted Debra P Fauth Address Redacted Debra Rae Bloms Address Redacted Debra Rogg Address Redacted Debra S Hunotte Address Redacted Debra Schafer Address Redacted Debra Schmidt Address Redacted Debra Stockhill Address Redacted Debra Swager Address Redacted Debra Turner & Crystal Harvey Address Redacted Debra Vaira Address Redacted Debra Weekley Address Redacted Debra Williams Address Redacted Decatur Mineral Partners Ltd PO Box 12167 Dallas TX 75225 Decca Consulting Inc PO Box 512007 Los Angeles CA 90051-0007 Deceased - John Risan Address Redacted Deck Oil Co Revenue Account P O Box 3305 Tulsa OK 74101-3305 Decker Family Trust Dtd September 1, 1983 Kay Iverson & Ken Decker, As Co-Trustees Address Redacted Decorah Bank & Trust Company Conservator For Nels O Folkedahl 202 East Water Street Decorah IA 52101 Dede A Gumm-Waggoner Individually And As Trustee Address Redacted Dedecker, Lacey Address Redacted Dee Ann Krueger, Schwab Cust, IRA Rollover 7962 - 5931 Address Redacted Dee Ann Messmer Address Redacted Dee Ann Simpson Address Redacted Dee Dietrich Address Redacted Dee Earhart Thomi Address Redacted Dee Pelesky Address Redacted Deeann Jacobs Address Redacted Deeann V Hall Trust Dated 9/14/18 - Deeann Hall - Trustee Address Redacted Deeann Vinje Address Redacted Deeanne Hansen Address Redacted Deeco Rubber Company Inc P O Box 3337 Lubbock TX 79452-3337 Deena Eshom Address Redacted Deena Fetzer Address Redacted Deena M Haas Address Redacted Deep Blue LLC PO Box 3715 Enid OK 73702 DEEP BLUE LLC PO BOX 3715 Enid OK 73702 Deep Creek Exploration LLC PO Box 1404 Dickinson ND 58602 DEEP CREEK EXPLORATION LLC PO BOX 1404 Dickinson ND 58602 Deep Rock Resources LLC PO Box 831 Bismarck ND 58502 DEEP ROCK RESOURCES LLC PO BOX 831 Bismarck ND 58502 DEEP ROCK RESOURCES, LLC PO BOX 831 Bismarck ND 58502 Deer Siblings 2005 Minl Mgmt Trust Dtd 5/18/2005 Comerica Bank, Trustee Address Redacted Deetta M Heid Address Redacted Degenhart, Moreen Address Redacted Deister Ward & Witcher LLC 2620 S Parker Rd #310 Aurora CO 80107 Dekker, Catherine Address Redacted Del LLC 13652 Silver Fox Spur Rapid City SD 57702 DEL LLC 13652 SILVER FOX SPUR Rapid City SD 57702 Del Roy Rosten Address Redacted Del Weiss Family Trust Address Redacted Delaine Rossmiller Address Redacted Delaine Rossmiller Estate Keith Rossmiller - Pr Address Redacted

Delaine Rossmiller Minerals Tr Keith Rossmiller - Trustee Address Redacted DELAND TODD CASTOR Address Redacted Delane Braun Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 139 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 142 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Delane Huus Address Redacted Delane Ihli Address Redacted Delaney, Brian Address Redacted Delanie A Hutchison Address Redacted Delaquan Cobbins Address Redacted Delaware Department Of Justice Carvel State Office Building 820 N French Street Wilmington DE 19801 Fraud and Consumer Protection Delaware Department of Justice Division Carvel State Building 820 N French Street Wilmington DE 19801 Delaware Department of Justice Investor Protection Unit Carvel State Office Building 820 N french Street 5th Floor Wilmington DE 19801 Delaware Department of Natural Resources and Environmental Control The Richardson & Robbins Building 89 Kings Highway Dover DE 19901 Delaware Deptarment of Treasury Attn: Colleen C. Davis 820 Silver Lake Boulevard Suite 100 Dover DE 19904 Delaware Division Of Corporations John G. Townsend Bldg. 401 Federal Street Suite 4 Dover DE 19901 Delaware Division Of Corporations PO Box 898 Dover DE 19903 Delaware Divison of Industrial Affairs Attn: Julie Petroff 4425 N Market Street 4th Floor Wilmington DE 19802 Delaware EEOC - Philadelphia District Office Attn: Jamie Williamson 801 Market Street Suite 1300 Philadelphia PA 19107

Delaware Occupational Safety and Health Administration Wilmington Area Office 800 King Street Suite 302 Wilmington DE 19801 Delaware Office of the Attorney General Attn: Kathy Jennings Carvel State Building 820 N French Street Wilmington DE 19801 Delaware Secretary Of State Division Of Corporations Po Box 5509 Binghamton NY 13902-5509 DELAWARE SECRETARY OF STATE PO BOX 8931 Wilmington DE 19899 Delaware State Escheator PO Box 8931 Wilmington DE 19899 Delaware Trust Company c/o Kelley Drye & Warren LLP 515 Post Oak Blvd Suite 900 Houston TX 77027 Attn: James S. Carr& Kristin S. Delaware Trust Company c/o Kelley Drye & Warren LLP Elliott 101 Park Avenue New York NY 10178

Attn: Sean T. Wilson, James S. Delaware Trust Company c/o Kelley Drye & Warren LLP Carr & Pamela Bruzzese-Szczygiel 101 Park Avenue New York NY 10178 Delaware Trust Company Michelle A. Dreyer, Vice President 251 Little Falls Drive Wilmington DE 19808 Delbert Dean Olson Address Redacted Delbert Edward Nantz Address Redacted Delbert O Johnson Taffy Johnson Poa Address Redacted Delbert S Kadrmas Address Redacted

Delbert S Kadrmas & Rosanne Kadrmas, Joint Tenants Address Redacted Delbert Streitz Address Redacted DELEK 7102 COMMERCE WAY Brentwood TN 37027 Delfa Annette Gumm-Waggoner Address Redacted Delite Foss Estate C/O Phyllis Haustveit Address Redacted Dell Marketing Lp C/O Dell Usa Lp Po Box 802816 Chicago IL 60680-2816 Dell P Shelmerdine And Lynn Shelmerdine Jtwros PO Box 296 Fairview MT 59221 Dell Ronne Wilkison Address Redacted Della Ann Laughlin Address Redacted Della J Danner Address Redacted Della Kenny Address Redacted Della Mae Van Echout Address Redacted Della R Hanold C/O W M Hanold Address Redacted Della R Knight Charles R Van Nurden - Guardian Address Redacted Dellas D Robins Address Redacted Dellas G Norgon Address Redacted Delman E Woodley & Mary Joyce Woodley Family Trust - Maridel Stout & Ceanne Brunk -Trustee Address Redacted Delmar Ficek Address Redacted Deloise Frink Address Redacted Deloitte & Touche LLP PO Box 844708 Dallas TX 75284-4708 DELOITTE & TOUCHE PRODUCTS COMPANY LLC 695 EAST MAIN STREET Stamford CT 06901 Delores A Crull Address Redacted Delores A Feth Address Redacted Delores A Tvenge Address Redacted Delores A Tvenge L/E Address Redacted Delores Bailey Address Redacted Delores Cain Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 140 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 143 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Delores Duckett Address Redacted Delores F Beckler Address Redacted Delores F Waldren Revocable Trust Delores F Waldren Trustee Address Redacted Delores Frison Address Redacted Delores Frison L/T Address Redacted Delores Grimson C/O First National Bank & Tr. Address Redacted Delores Houle Address Redacted Delores J Wiseman Address Redacted Delores Kylander Address Redacted Delores M Elletson Trust Delores M Elletson Trustee Address Redacted Delores M Odermann Address Redacted Delores M Rod Address Redacted Delores M Terry Address Redacted Delores M Yasuda Address Redacted Delores Mccall Address Redacted Delores S Werth Address Redacted Delores T Asleson Address Redacted Delores V Salin Address Redacted Delores V Salin & Daniel F Salin Ttees Delores V Salin Living Trust Address Redacted Deloris A Oja Address Redacted Deloris E Matson Address Redacted Deloris Matson & James Matson Address Redacted Delphi Consulting Inc Address Redacted Delphine Jo Hoogenraad Address Redacted Delphine Netzer Address Redacted Delrey Kubas Address Redacted Delroy G And Monica C Rosten Address Redacted Delta Construction Co PO Box 21558 Denver CO 80221 Delta Constructors LLC PO Box 240565 Anchorage AK 99524 Delta Oil Company Inc 125 Windsor Drive, Suite 101 Oak Brook IL 60521 825 TOWN & COUNTRY LANE, DELTA PETROLEUM CORPORATION SUITE 1500 Houston TX 77024 4450 OLD CANTON ROAD SUITE DELTA ROYALTY CO INC ATTN WILLIAM D MOUNGER 203 Jackson MS 39211 Delta Royalty Co Inc Attn William D Mounger 4450 Old Canton Road Suite 203 Jackson MS 39211 Delton Pfeiffer C/O Harris Pfeiffer Address Redacted Delva Harn Address Redacted Delva Harn Le Address Redacted Delwyn F Thomas Address Redacted Delwyn H Levno Life Estate Address Redacted Demar Family LLC 137 Mikaela Rd Corrales NM 87048 Demetrious Simotas Cust Sevasti Simotas Ugma Ca 5608 Tan Oak Drive Fremont CA 94555 Demon Oilfield Services Corp 5073 146th Avenue Nw Williston ND 58801 Demon Oilfield Services Corp. Tammy Konschuh PO Box 1440 Crossfield AB T0M 0S0 Canada Demorrett, Levi Address Redacted Dena L Hoff Address Redacted Dena Sue & Joseph J Orozco Jt Address Redacted Denalie Ann Bruins Address Redacted Denbie Oil & Gas Royalty Trust Dennis E & Deborah K Huebner Trustees Address Redacted Denbury Onshore LLC PO Box 972555 Dallas TX 75397-2555 DENBURY ONSHORE LLC 5320 LEGACY DR Plano TX 75024 DENBURY ONSHORE LLC PO BOX 972555 Dallas TX 75397-2555 Denice J Mitrousis Address Redacted Denice Mitrousis Address Redacted Denice Murphy Address Redacted Denice Nordeng Address Redacted Denis Dubrovin Address Redacted Denis E Horn Address Redacted Denis M Sweet Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 141 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 144 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Denise A Dachner Address Redacted Denise A Michaelian Address Redacted Denise A Neyssen Address Redacted Denise A Wagner Trust Denise Ann Wagner - Trustee Address Redacted Denise Ann Cieri Address Redacted Denise Coates-Denhardt Address Redacted Denise D Dyer Rev Tr Denise D Dyer Tte Address Redacted Denise D Muggli Address Redacted Denise Davis Irish Address Redacted Denise E Denhardt Address Redacted Denise Grantier Address Redacted Denise Harris Address Redacted Denise Hasler Address Redacted Denise J Mouser Address Redacted Denise Katharn Lemay Address Redacted Denise King Address Redacted Denise L Orourke Address Redacted Denise L Scheetz Address Redacted Denise L Skarphol Address Redacted Denise M Patterson Address Redacted Denise M Richards Carl Richards (Jt) Address Redacted Denise M Weyrauch Address Redacted Denise Mack Address Redacted Denise Marie Nehring Address Redacted Denise Marie Tveit Gartner Address Redacted Denise N Cesena Address Redacted Denise Nay Address Redacted Denise Nordeng Life Estate Mervin,Janice,Erik Nordeng Poa Address Redacted Denise Opsta Address Redacted Denise P Person Address Redacted Denise R Carpenter-Foltz Address Redacted Denise R Lundy Address Redacted Denise Rubenstein Address Redacted Denise Sogard Address Redacted Denison Oil LLC Address Redacted Dennis & Donna Haggard Ttees Dennis William & Donna Mae Haggard Trust Dtd 6/29/99 Address Redacted Dennis A Berndt And Barbara B Berndt Jtwros Address Redacted Dennis A Cvancara Address Redacted Dennis A Dahl Address Redacted Dennis A Kessel Address Redacted Dennis A. Hansen Address Redacted Dennis B Bergstrom Address Redacted Dennis Batson Address Redacted Dennis Blake Address Redacted Dennis Bowles Jr Address Redacted Dennis C Dilworth Address Redacted Dennis C Dilworth Living Trust Address Redacted Dennis C Goar Address Redacted Dennis C Rehrig Rev Liv Trust Dennis C Rehrig Trustee Address Redacted Dennis Cane Callon Address Redacted Dennis D & I Annette Davis Revoc Trust - Dennis & I Annette Davis - Trustees Address Redacted Dennis D Blom & Vicki R Blom Address Redacted Dennis D Schulz Address Redacted Dennis Duffy Address Redacted Dennis Dworsky Address Redacted Dennis E Claridge Address Redacted Dennis E Oien Address Redacted Dennis Eldon Nowstrup Address Redacted Dennis F Overstreet Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 142 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 145 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dennis Fehr Trustee Dennis Fehr Family Living Trst Address Redacted Dennis Fischer And Aldis Fischer Hw Address Redacted Dennis Fisher Address Redacted Dennis Fjelstad C/O Wendy Storlie Address Redacted Dennis Flynn Address Redacted Dennis Forthun Address Redacted Dennis G & Loreen M Hillier Joint Tenants Address Redacted Dennis G Hansen Address Redacted Dennis Guenther Cpl Address Redacted Dennis H Dahlberg Address Redacted Dennis H Kilian Address Redacted Dennis H Mcgee Address Redacted Dennis H Papineau Address Redacted Dennis Hanna Address Redacted Dennis Hanson Address Redacted Dennis Jacobson Address Redacted Dennis Johnson Address Redacted Dennis Johnston Address Redacted Dennis Karuzas Address Redacted Dennis Keith Steding Address Redacted Dennis Kohlman Address Redacted Dennis L & Clarice L Duffy Tr Dtd 6/17/14 - Dennis & Clarice - Trustees Address Redacted Dennis L Beyer Address Redacted Dennis L Binstock & Michaele B Binstock Address Redacted Dennis L Daniels Address Redacted Dennis L Holt Address Redacted Dennis L Johnson & Carol L Johnson Co-Ttees Of Dennis L & Carol L Johnson Fam Rev Min Tr Address Redacted Dennis L Kvalheim & Sharon D Kvalheim Co-Ttees Kvalheim Family Mineral Trust Address Redacted Dennis L Sanford Address Redacted Dennis L Sult Address Redacted Dennis L. Heimbach Address Redacted Dennis Langley Address Redacted Dennis Latka Address Redacted Dennis M And Joan K Gad Address Redacted Dennis M Gathman Address Redacted Dennis M Hill Address Redacted Dennis M Lyon Address Redacted Dennis M Nannini Revocable Trust - (Dennis M Nannini Trustee) Address Redacted Dennis M Palaniuk Address Redacted Dennis Mcgrath Address Redacted Dennis Molm C/O Thomas Molm Aif Address Redacted Dennis Newman Address Redacted Dennis Oneil Jones Address Redacted Dennis R & Alice A Burnett Jt Address Redacted Dennis R Anderson Address Redacted Dennis R Burnett Jr & Lori A Burnett Address Redacted Dennis R Burnett, A/K/A Rick Burnett Address Redacted Dennis R Ditsworth Address Redacted Dennis R Erickson Address Redacted Dennis R Skorpil Address Redacted Dennis Rehak Address Redacted Dennis Richard & Beth Richard, L/E As J/T Address Redacted Dennis Robins Address Redacted Dennis Rost Address Redacted Dennis S Reynolds Address Redacted Dennis Schow Living Trust Dtd 10/26/12 Dennis V Schow & Peggy M Schow Trustees Address Redacted Dennis Snyder Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 143 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 146 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dennis Stevens Address Redacted Dennis Streitz Address Redacted Dennis Strom Address Redacted Dennis V Johnson Address Redacted Dennis V Semerad Address Redacted Dennis Vinger Address Redacted Dennis W Karlstad Address Redacted Dennis W Marker Address Redacted Dennis W Meschke Address Redacted Dennis W Schaff & Carla Schaff Address Redacted Dennis W Schaff Karla J Schaff, Poa Address Redacted Dennis W Yockim Address Redacted Dennis Walters Address Redacted Dennis Water Well Drilling Inc 924 16th St W Dickinson ND 58601 Denny Park Lutheran Church Of Seattle 766 John Street Seattle WA 98109 ATTN: LEONARD C. TALLERINE, DENOVO OIL & GAS, INC. DIRECTOR 1221 MCKINNEY SUITE 1800 Houston TX 77010 Denowh Family Trst Dtd 5/20/13 Wayne C & Nancy L Denowh Ttees Address Redacted Denver Animal Foundation 1580 Lincoln St 1200 Denver CO 80203-1501 Denver Association Of Petroleum Landmen 910 16th St Ste 223 Denver CO 80202-2919 Denver Checkwriter Inc 1401 Wewatta St Unit 507 Denver CO 80202 Denver County Treasurer 201 W. Colfax Ave. Department 1009 Denver CO 80202 Denver Dumb Friends League 2080 South Quebec Street Denver CO 80231-3298 Denver F Edmonds Address Redacted Denver Fire Prevention Bureau Denver Fire Department 745 W Colfax Avenue Denver CO 80204 Denver First Aid & Safety PO Box 620874 Littleton CO 80162 Denver Fluid System Technologies 9500 W 49th Ave Unit D-103 Wheat Ridge CO 80033 Denver Fluid System Technologies 9500 W. 49th Ave. Unit D-103 Wheat Ridge CO 80033 Denver Industrial Pumps 15165 W 44th Ave Golden CO 80403 Denver Metro Chamber Leadership Foundation 1445 Market St - 4th Floor Denver CO 80202 Denver Metro Chamber Of Commerce 1445 Market St Denver CO 80202 Denver Petroleum Club PO Box 13226 Denver CO 80201 Denver Public Schools Foundation 1860 Lincoln St 9th Fl Denver CO 80203-7301 Denver Rescue Mission PO Box 5206 Denver CO 80217 Denver School Of The Arts 7111 Montview Blvd Denver CO 80220 Denver Street School PO Box 140069 Denver CO 80214 Denver Voice Address Redacted Denver Zoological Foundation 2300 Steele Street Denver CO 80205 Denzel Schmidt Address Redacted Denzil D Crusch Revocable Tr Denzil Crusch - Trustee Address Redacted Deone Duncan Penquite Address Redacted Deotte, Robert Address Redacted Department Of Natural Resources Office Of Conservation Po Box 44277 Baton Rouge LA 70804-4277 DEPARTMENT OF ND TRUST LANDS 1707 NORTH 9TH ST. P.O. BOX 5523 Bismark ND 58506 DEPARTMENT OF THE AIR FORCE, MINOT AIR FORCE BASE 330 BOMBER BLVD Minot ND 58705-5008 Department Of The Treasury Internal Revenue Service Ogden UT 84201-0012 Department Of Treasury Internal Revenue Service Internal Revenue Service Ogden UT 84201 Dependable Pump & Supply Inc PO Box 189 Haynesville LA 71038 Dept. Of Transportation C/O Esc, Amz-300 Pipeline & Hazardous Materials Safety Admin. PO BOX 269039 Oklahoma City OK 73125 Derald & Ruth Hoover J/T Address Redacted Derald D Ortloff Address Redacted Derald N Rice Address Redacted Derald Sylte Address Redacted Derald Sylte Minerals LLC 13693 64th St Nw Williston ND 58801 Derby Energy LLC 7500 San Felipe St Ste 475 Houston TX 77063

Derby Holdings LLC Succ In Interest To Samuel A Derby PO Box 1310 Madison MS 39130 Derek B Bauder Address Redacted Derek Burns Address Redacted Derek D Kinnischtzke Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 144 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 147 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Derek E Snow Address Redacted Derek Lerbakken Address Redacted Derek M Hoff Address Redacted Derek Rambousek Address Redacted Derek Ross Schmidt Address Redacted Derick Falk & Megan Falk Jt Address Redacted Deron Hunsberger Address Redacted Derosso, Scott Address Redacted Derrick C Burnett & Christi R Burnett Address Redacted Derrick Clay Burnett Address Redacted Derrick Corporation Address Redacted Derrick Crosby Address Redacted Derrick Jackson Address Redacted Derrick Mack Address Redacted Derrick R Vandeberg Address Redacted Derry Long Address Redacted Derryberry, Timothy Address Redacted DESERET TRUST COMPANY - I ISSUER SERVICES 51 MERCEDES WAY Edgewoode NY 11717 Desert Eagle Services LLC PO Box 205 Loma CO 81524 Desert Oil & Gas LLC 1412 East 8th St Odessa TX 79761 Desert Partners Iv LP PO Box 3579 Midland TX 79702 Desert Partners V LP PO Box 3579 Midland TX 79702 Design Space Modular Buildings Inc Po Box 31001-1566 Pasadena CA 91110-1566 Design Space Modular Buildings Pnw Lp Po Box 31001-1566 Pasadena CA 91110-1566 Desiree Faller Address Redacted Desiree L Krause Address Redacted Desjardins Securities Inc./CDS** Attn: Reorg Department 1 Complexe Desjardins C.P. 34, Succ Esjardins Montreal QC H5b 1e4 Canada Desjardins Securities Inc./CDS** Attn: Reorg Dept-Mtl1060-1er-E 1060 University Street Suite 101 Montreal QC H3b 5l7 Canada 2, Complexe Desjardins Desjardins Securities Inc./CDS** Corporate Actions Valeurs Mobiliares Desjardins Tour Est Niveau 62, E1-22 Montreal QC H5b 1j2 Canada Desjardins Securities Inc./CDS** Veronique Lemieux 1060 University Street Suite 101 Montreal PQ H5b 5l7 Canada Desmond Dean L/E 709 Ne 150th Ct Vancouver WA 98684 Desmond, James Address Redacted Desroches, Alex Address Redacted Detechtion Usa Inc 8 Greenway Plaza Ste 1300 Houston TX 77046 DETECHTION USA INC. 8 GREENWAY PLAZA STE 1300 Houston TX 77046 Detector Electronics Corp 6901 W 110th St Minneapolis MN 55438 Detienne Partners LLP Address Redacted Detlev Simonis Address Redacted Detroit Edison Company Attn: Lease Administrator 2000 2Nd Ave Suite 2086 Detroit MI 48226 Deuces Wild Casino Rentals 3135 Springmeadow Dr Colorado Springs CO 80906 Deus Royalty Investments LLC PO Box 6148 Tyler TX 75711 Deutsche Bank Ag Ny/Cedear John Binder Vice President 100 Plaza One 2nd Floor Jersey City NJ 07311 Deutsche Bank Ag Ny/Us Custody John Binder Vice President 100 Plaza One 2nd Floor Jersey City NJ 07311 Deutsche Bank Securities Inc. Db Services New Jersey Inc. Eric Herbst 5201 Gate Parkway Jacksonville FL 32256 Deutsche Bank Securities Inc. Sara Batten 5022 Gate Parkway Suite 100 Jacksonville FL 32256 DEVELOPER EXPRESS 505 N BRAND BLVD STE 1600 Glendale CA 91203 Developer Express Inc 505 N Brand Blvd Ste 1600 Glendale CA 91203 Development Enterprises Group, Inc Attn: Stefani Zahia Beetar Cruz Avenida 15 # 127B 33 Apto 706 Bogota 110121 Colombia Development Enterprises Group, Inc Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 8 Coral Gables FL 33134 Devin Dahl Address Redacted Devin Equitz Address Redacted Devin Fehr Address Redacted Devin Franklin Schmidt Address Redacted Devin J Roberts Address Redacted Devin L Austin Address Redacted Devlin Talkington Address Redacted DEVON Address Redacted Devon A Bowes Address Redacted Devon Energy Address Redacted Devon Energy Production Co LP 333 W Sheridan Avenue Oklahoma City OK 73102 Devon Energy Production Co LP PO Box 843559 Dallas TX 75284-3559 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 145 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 148 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country DEVON ENERGY PRODUCTION CO., L.P. 333 W SHERIDAN AVENUE Oklahoma City OK 73102 Cherish Ralls, Counsel for Devon Devon Energy Production Company, L.P. Energy 333 W Sheridan Avenue Oklahoma City OK 73102 Devona Beaton Address Redacted Devonna M Klimpel Address Redacted Devpet Ii LLC C/O Karen Fisher 22236 131st Ave Se Kent WA 98031 Devry Marlon Faddis Address Redacted Dewey & Ruth J Glover Address Redacted Dewey County Clerk And Recorder Po Box 368 Taloga OK 73667 Dewey M Hewson And Lillian S Hewson Address Redacted Dewitt Baer Address Redacted c/o Linebarger Goggan Blair & DeWitt County Sampson, LLP Attn: Diane W. Sanders PO Box 17428 Austin TX 78760 Dewitt County Tax Office PO Box 489 115 N Gonzales Cuero TX 77954-0489 Dewitt County, TX Treasurer 115 N Gonzales St. Ste A, Po Box 489 Cuero TX 77954 Dewitt County, TX Treasurer 307 N Gonzales St Cuero TX 77954 Dewitt D Smith Address Redacted Dexter ATC Field Services LLC Heidi Piotrowicz 150 Zachary Road Manchester NH 03109 Dexter Atc Field Services LLC PO Box 95441 Grapevine TX 76099-9734 Dexter Mclean Tank Address Redacted Dfs Investments LLC PO Box 271229 Louisville CO 80027 Dg Energy LLC 1057 State Route 356 Ste B Leechburg PA 15656 Dg Iii Trust Kevin V Duncan Trustee 1777 S Harrison St #1300 Denver CO 80210 Dg Services LLC 1057 State Route 356 Ste A Leechburg PA 15656 Dhk Minerals Ltd 3030 Lbj Frwy Ste 1640 Lb 31 Dallas TX 75234 Diablo Mud Motors LLC 252 24th St E Dickinson ND 58601 Diamond B Deleon Address Redacted Diamond Construction Inc 27687 Hwy 157 Shongaloo LA 71072 Diamond D Slickline Service Company Inc P O Box 216 Snyder TX 79550 Diamond Energy Inc PO Box 47 Great Bend KS 67530 Diamond Energy LLC 15443 E Firerock Cntry Club Dr Fountain Hills AZ 85268 Diamond Exploration Inc PO Box 1968 Williston ND 58802 Diamond Holdings Morgan Stanley Luis Mercado 9130 S. Dadeland Blvd Suite 1702 Miami FL 33156 Diamond Holdings, LTD. Kyu Yong Cho 8360 Kenningston Way Duluth GA 30097 Diamond Resources Inc PO Box 1938 Williston ND 58802-1938 Diamond S Energy Co 6608 Bryant Irvin Rd Ft Worth TX 76132 DIAMOND S ENERGY CO 6608 BRYANT IRVIN RD Ft Worth TX 76132 Diamond Truck Equipment P O Box 1654 Dickinson ND 58602-1654 Diamondback Field Service Inc PO Box 188 Vernal UT 84078 Dian Lofstrom Address Redacted Diana C Ring Address Redacted Diana Cerna Address Redacted Diana Fladmo Strand Address Redacted Diana Gullikson & James A Gullikson Jts Address Redacted Diana Hanson Rue Address Redacted Diana J Bishop Monte Address Redacted Diana J Heller Address Redacted Diana Jensen Address Redacted Diana Jensen Robert Jensen Address Redacted Diana K Sparks Address Redacted Diana L Evans Address Redacted Diana L Foss Living Trust Diana L Foss, Nicholas D Foss, Britta K Enget - Trustees Address Redacted Diana L Geivett Lechner Address Redacted Diana L Ginther Address Redacted Diana L Read As Ttee Of Walter F Hapip And Vera Lou Hapip Fam Min Tr Address Redacted Diana Larson Address Redacted Diana Lynn Harstad Address Redacted Diana Manuel Address Redacted Diana Margaret Davies Address Redacted Diana Maureen Locken Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 146 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 149 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Diana Mayher & Melvin P Mayher Joint Tenants Address Redacted Diana Mchugh Address Redacted Diana Oconnor Address Redacted Diana P. Massengale Address Redacted Diana R And Roger W Larson Address Redacted Diana Rushing Address Redacted Diana Vance Address Redacted Diana White Address Redacted Diane & Richard Pharr Address Redacted Diane A Anderson Address Redacted Diane Aasen Address Redacted Diane Buell Address Redacted Diane Bullinger Address Redacted Diane Burleson Address Redacted Diane C Mccahill And Terrence M Mccahill Address Redacted Diane Cherry Address Redacted Diane D Card Address Redacted Diane Daniels Denish Address Redacted Diane Davis Snider Address Redacted Diane Dillard C/O Bob Dillard Address Redacted Diane E Kolar Address Redacted Diane E Page Living Trust Diane E Page And Terry Page Trustees Address Redacted Diane Elizabeth Jamison-Blair Address Redacted Diane F & James E Lowry Joint Tenants Address Redacted Diane G Edwardson Address Redacted Diane Goodspeed Address Redacted Diane Greenwood Address Redacted Diane Grubb Address Redacted Diane Guyot Leiter Address Redacted Diane Hammerland Address Redacted Diane Held Address Redacted Diane Hill Address Redacted Diane Holt Address Redacted Diane Houge Address Redacted Diane Hunter Address Redacted Diane J Buckman Address Redacted Diane J Hoelscher Hadley Address Redacted Diane J Le Monds Address Redacted Diane Jackson Address Redacted Diane K Aadalen Address Redacted Diane K Herling Address Redacted Diane K Honeyman Address Redacted Diane K Knowles Address Redacted Diane K Richardson & Jerry A Richardson Trustees Of Diane K Richardson Family Mineral Trst Address Redacted Diane K Swenson Address Redacted Diane K Voltz Address Redacted Diane L Adams Address Redacted Diane L Bervig Address Redacted Diane L Blair Address Redacted Diane L Carpenter Address Redacted Diane L Dennis Address Redacted Diane L Dennis Revocable Trust Diane L Dennis - Trustee Address Redacted Diane L Folkedahl Address Redacted Diane L Oman Revocable Living Trust - Diane Oman - Trustee Address Redacted Diane L Spencer Address Redacted Diane L. Thomas Address Redacted Diane Lee Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 147 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 150 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Diane Lynn Koerner Trust Hal B Koerner Jr & Diane Lynn Address Redacted Diane Lynn Vokal Address Redacted Diane M Borgert Address Redacted Diane M Borgert Revocable Tr Dtd 8-9-13 Diane M Borgert - Trustee Address Redacted Diane M Jilek Address Redacted Diane M Koskovich Address Redacted Diane M Lukowicz Address Redacted Diane M Mcgill Address Redacted Diane M Miller Address Redacted Diane M Norton Address Redacted Diane M Scott Address Redacted Diane M Sheehan And Mike Sheehan Jtwros Address Redacted Diane Marie Rath Address Redacted Diane Marie Thomas Price Address Redacted Diane Matson Address Redacted Diane Nemnich Address Redacted Diane Netter Address Redacted Diane Oconnor Address Redacted Diane Oden Boyd Address Redacted Diane Olson Address Redacted Diane Oman Address Redacted Diane Oversen Address Redacted Diane P HARRINGTON TTEE HARRINGTON FAMILY 2008 LIVING TRUST Address Redacted Diane Praus Address Redacted Diane R Barr Address Redacted Diane R Becker Address Redacted Diane R Bjarko Fahrenbruck Address Redacted Diane Randall Address Redacted Diane Renee Mcauliffe Address Redacted Diane Roberson Rucker Address Redacted Diane Russo Address Redacted Diane Slagsvold Address Redacted Diane Smith Bedell Address Redacted Diane Smylie Zelich Address Redacted Diane Tift Address Redacted Diane W Greenbaum Address Redacted Diane Watkins Address Redacted Diane Wickland Address Redacted Diane Woodward-Frost Trust Diane Woodward-Frost Trustee Dtd 12/16/98 Address Redacted Diane Zingleman Address Redacted Diann E & Robert A Riha Life Estate Address Redacted Diann K Miiller Address Redacted Diann Riha Address Redacted Dianne B Torgerson Address Redacted Dianne Duperier Bruno Address Redacted Dianne E Castro Address Redacted DIANNE F ANDRIES Address Redacted Dianne Greene Barnett Address Redacted Dianne Herberg Address Redacted Dianne K Carlson Brendsel Address Redacted Dianne K Murray Le Address Redacted Dianne Karen Gorder Revocable Trust Dtd 5-31-11 Dianne Karen Gorder - Trustee Address Redacted Dianne L Wilfrid Address Redacted Dianne L Williams Address Redacted Dianne L Williams Trust Dianne L Williams - Trustee Address Redacted Dianne Lessley Address Redacted Dianne M Glomstad Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 148 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 151 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dianne Mary Stevens Address Redacted Dianne P Aamoth Address Redacted DIANNE RUSSO Address Redacted Dianne Russo C/O Deloris Bailey Address Redacted Dianne W Jurgens Address Redacted Dias Da Silva, Amelia Address Redacted Dick Milton Mccloud Jr Address Redacted Dick Ray Earhart Address Redacted Dickenson State University Foundation Inc 230 8Th Ave W Dickinson ND 58601 Dickey L & Jeani L Moore Jtwros Address Redacted Dickinson Area Public Library Foundation 139 3rd St W Dickinson ND 58601 Dickinson Catholic Schools Educational Foundation PO Box 1177 810 Empire Rd Dickinson ND 58602 Dickinson High School 444 4th St W Dickinson ND 58601 Dickinson Lions Club 387 15th St W #178 Dickinson ND 58601 Dickinson Motor Vehicle 1173 Third Ave W Ste 37B Dickinson ND 58601 Dickinson Noon Lions Club Make A Wish Benefit Po Box 1393 Dickinson ND 58601

DICKINSON OFFICE LEASE-8370 ATTN: MCNEILL DEVELOPMENT LLP KEEP SAFE STORAGE 14200 DUKE HWY Alva FL 33920 Dickinson Police Association 2475 State Ave N Dickinson ND 58601 Dickinson Public Library Foundation 139 3Rd St West Dickinson ND 58601 Dickinson Public Schools Foundation 444 4th St West Dickinson ND 58601 Dickinson Ready Mix 37 Westgate Ave Dickinson ND 58601 Dickinson Roughrider Commission Po Box 895 Dickinson ND 58601 Dickinson State University Foundation Inc 230 8Th Ave West Dickinson ND 58601 Dickinson Volunteer Fire Dept 2475 State Avenue N Dickinson ND 58601 Dickman Davenport Inc 4228 North Central Expressway Ste 101 Dallas TX 75206 Diedre D Morin Address Redacted Dierks Elevator Company 5500 Centex Drive Inver Grove Heights MN 55077 Diesel Service And Supply 625 Baseline Road Brighton CO 80603 Diets Trust Agreement Dated 07/14/75 Thomas Funk Trustee Address Redacted Digiclips Inc 819 Beauprez Ave Lafayette CO 80026 Digicus LLC PO Box 3072 Bismarck ND 58502 Digim Solution LLC 2 Chestnut St Winchester MA 01890 Digital Space LLC Dba Mediadynamics 717 Mariposa St Denver CO 80204 DIGITALGLOBE PO BOX 911449 Denver CO 80291-1441 Digitalglobe Inc PO Box 911449 Denver CO 80291-1441 Dijana Bishop Address Redacted Dilan Hoff Address Redacted Dill Dill Carr Stonbraker & Hutchings 455 Sherman St, Ste 300 Denver CO 80203 DILL DILL CARR STONBRAKER & HUTCHINGS, P.C. 455 SHERMAN ST. SUITE 300 Denver CO 80203 Dillon Van Way Address Redacted Dimensional Fund Advisors Lp Building One 6300 Bee Cave Road Austin TX 78746 Dingus Family 1995 Trust Charles W Duncan Jr Trustee Anne S Duncan Trustee Address Redacted Dionne Fletcher Pledger 603 Washington Blvd Big Springs TX 79720-4927 Directmed Inc PO Box 70 Mandan ND 88884 3800 CITIGROUP CENTER DIRECTOR ELIZABETH GABB CITIBANK, N.A./ETF B2/2 Tampa FL 33610 UBS AG STAMFORD BRANCH/AS 1000 HARBOR BLVD - 5TH DIRECTOR GREGORY CONTALDI CUSTODIAN FLOOR Weenhawken NJ 07086 DIRECTOR LAUREN HAMMOND INSTINET, LLC WORLDWIDE PLAZA 309 WEST 49TH STREET New York NY 10019-7316 BARCLAYS CAPITAL 200 CEDAR KNOLLS DIRECTOR NELLIE FOO INC./BARCLAYS BANK ROAD CORPORATE ACTIONS Whippany NJ 07981 Director Of Finance State Of Hawaii 250 S Hotel Street Room 304 Honolulu HI 96813 Director Of Finance State Of Hawaii Unclaimed Property Branch Box 150 Honolulu HI 96810-0150 DIRK A SCHWARTZ TRUSTEE OF Address Redacted Dirk A Schwartz Trustee Of L J Schwartz Trust Address Redacted Dirk D Roberts Address Redacted Dirk Huber Justin Mead, A-I-F Address Redacted Dirk Hurly Address Redacted Dirk Ronald Baxter Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 149 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 152 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dirk Schlothauer Address Redacted Dirty Birds LLC PO Box 423 Watford City ND 58854 Disa Inc Dept 890314 Po Box 120314 Dallas TX 75312-0314 10900 CORPORATE CENTRE DRIVE, DISA WORKS STE. 250 Houston TX 77041 Disabled American Veterans Association Chapter 45 3911 North Madison St Spokane WA 99205 Discovery Downhole Services Inc 1855 Skyview Dr Casper WY 82601-9641 Discovery Oil LLC 214 Poplar St Plentywood MT 59254 Dish Network LLC PO Box 94063 Palatine IL 60094-4063 Dishon Disposal Inc 6312 S Fiddlers Green Cir #300E Greenwood Village CO 80111 Distrcit 8 American Legion Riders Po Box 3029 Dickinson ND 58601 Diverse Energy Production LP 820 Gessner Road Ste 1350 Houston TX 77024-4299 Diversified Energy LLC 18685 E Plaza Drive Parker CO 80134 Diversified Equipment Lp PO Box 154 Plains TX 79355 Diversified Rox Minerals LLC C/O Rivercrest Mineral Mgmt 777 Taylor St Ste 810 Fort Worth TX 76102 Divide Resources LLC 2680 Overland Ave #F Billings MT 59102 DIVIDE RESOURCES LLC 2680 OVERLAND AVE #F Billings MT 59102 Division Of Forestry, Fire And State Lands PO Box 145703 1594 W North Temple Ste 3520 Salt Lake City UT 84114-5703 Dixie Anne Kilgore Harwell Address Redacted Dixie Baker Address Redacted Dixie Boswell Address Redacted Dixie K Lang Address Redacted Dixie L Hester Address Redacted Dixie L Simnioniw Address Redacted Dixie R Mcginty Address Redacted Dixie Schulz Address Redacted Dixon J Halcrow Trust Dtd 7/14/04 Dixon J Halcrow Trustee Address Redacted Dixon, Colton Address Redacted Dj Hallowell Jr Address Redacted Dj Resources LLC 1600 Broadway Ste 1960 Denver CO 80202 Djb Oil Company LLC 10607 E 100th Pl Tulsa OK 74133 Djs Holdings LLC 4760 Arbor Court S Fargo ND 58104 Dk Investments Inc 828 East Edgehill Road Salt Lake City UT 84103 Dkd LLC 1777 S Harrison St #1300 Denver CO 80210 Dkm LLC 7890 51st St Nw Stanley ND 58784 Dkne Oil Properties LLC 657 30th Ave Sw Dickinson ND 58601 DKNE OIL PROPERTIES ARAGON INTL INVESTMENTS LLC 4856 E BASELINE RD. SUITE 106 Mesa AZ 85206 Dl Minerals LLC PO Box 487 Angel Fire NM 87710 Dl Perkins Energy LLC PO Box 700570 Tulsa OK 74170-0570 Dla Properties LLC 712 13Th Street Sw Minot ND 58703 Dlc Holdings LLC 4676 South Trenton Ave Tulsa OK 74105 Dld Enterprises LLC 10773 N 121st P Scottsdale AZ 85259-4220 Dlk Resources LLC Ronald S Yockim PO Box 2456 Roseburg OR 97470 D-M Corporation PO Box 1196 Englewood CO 80150 Dmh Trust Fbo Martha M Head Thomas Seifert Trustee Martha Head Trustee Address Redacted Dmi Ak LLC C/O Koppenberg Management LLC 1251 Avenue Of The Americas Ste 720 New York NY 10020 Dmi Ssj LLC C/O Koppenberg Management LLC 1251 Avenue Of The Americas Ste 720 New York NY 10020 Dmi Wj LLC C/Ol Koppenberg Management LLC 1251 Avenue Of The Americas Ste 720 New York NY 10020 Dms Reserves LLC PO Box 430 Fulton CA 95439 Dmv 1700 3rd Ave W Dickinson ND 58601 Dnb Energy Services 109 6th Ave Se Ste 400 #4161 Watford City ND 58854 Dnj Smith Family Minerals LLC 18503 Duke Lake Drive Spring TX 77388 Dnow Lp PO Box 200822 Dallas TX 75320-0822 Do, Tien Address Redacted Dobrovolny Family LLLP PO Box 64 Stanley ND 58784 Dobrovolny, James Address Redacted Doc Energy Services Inc PO Box 580 Oil City LA 71061 Dockter, Scott Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 150 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 153 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dodson Family Trust First Financial Trust & Asset Mgmt Company Na Agent Address Redacted Dog Pete LLP 721 1st Ave No. PO Box 1958 Fargo ND 58107-1958 Doh Oil Company P O Box 1342 Sweetwater TX 79556 Doi/Blm North Dakota Field Office 99 23rd Ave West, Ste A Dickinson ND 58601-2619 Dolen Oil LLC PO Box 4031 Bismarck ND 58502-4031 Dolezal, Cydra Address Redacted Dollarhide Energy LLC P O Box 50119 Austin TX 78763 Dolly Behle Powers Address Redacted Dolly J Putnam Address Redacted Dolly Partons Imagination Library The Dollywood Foundation 111 Dollywood Lane Pigeon Forge TN 37863 Dolores Anne Dobie Address Redacted Dolores Arado, Trustee of Arado Family Trust dated January 29, 2020 Address Redacted Dolores E Hinze C/O Cindy Hinze Address Redacted Dolores E Ranum Address Redacted Dolores Elaine Soriano Address Redacted Dolores J Rygh Address Redacted Dolores Kralovec Address Redacted Dolores L Mccall Address Redacted Dolores M Carver Trustee Of Dolores M Carver Rev Trust Dated 8/9/2005 Address Redacted Dolores M Cook Irrev Tr Jeffrey D Cook Ttee Address Redacted Dolores Mcentire Address Redacted Dolores Mckinnon Address Redacted Dolores Ralph Perry Ralph - Aif Address Redacted Dolores Rohloff Address Redacted Dolores Roy Address Redacted Dolores Roy Family Mineral Tr Dtd 6-5-19 Dolores Roy - Trustee Address Redacted Dolores Tarlton Address Redacted Dolores V Olson Address Redacted Dolores Wagner Address Redacted Dolph M Harris Address Redacted Dolyniuk Family Trust David E Dolyniuk Trustee Address Redacted Domestic Petroleum Investments C/O David C Barbosa 600 East Las Colinas Blvd #400 Irving TX 75039-3611 Domestic Violence Crisis Center Inc Po Box 881 Minot ND 58702-0881 Dominic Arena Address Redacted Dominic Ruffatto Address Redacted Dominique A Fox Address Redacted Domish, Laura Address Redacted Don & Betty Gourley Address Redacted Don & Peggy Jenner Life Estate Joint Tenants Address Redacted Don & Rosalie J Martinson Joint Tenants Address Redacted Don A Hood Trust Address Redacted Don A Jenner Address Redacted Don Allen Eide Address Redacted Don Dee Sagel Address Redacted Don E Vogler Address Redacted DON EIDE Address Redacted Don F. Bugaski Address Redacted Don Grantham Address Redacted Don Hall Address Redacted Don Heinrich Address Redacted Don Helvie Address Redacted Don J Bich Address Redacted Don J Leeman Revocable Trust Don J & Patti P Leeman Co-Ttee Address Redacted

Don Jamison & C Jamison TTEE Jamison Family Trust Address Redacted Don Jared Colton Address Redacted Don Kanehl Jr. Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 151 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 154 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Don Koenig Address Redacted Don Kosch Revocable Living Trust Address Redacted Don L & Janet E Offutt Revoc Trust Dtd 1-25-18 - Don & Janet Offutt - Trustees Address Redacted Don L Pederson Address Redacted Don M & Nichole M Larsen Jt Address Redacted Don M Larsen Address Redacted Don Matejcek Address Redacted Don Osborne Address Redacted Don R Johnson & Dorothy L Johnson Co-Ttees Johnson Family Living Trust Address Redacted Don R Jones Address Redacted Don Raan Address Redacted Don Richard Stoker Address Redacted Don Schmoker Address Redacted Don Stevens Aka Donald Stevens Address Redacted Don Witherbee Heirs Address Redacted Dona B Dierberger Trustee Dierberger Living Trust Address Redacted Donald & Deborah Wahus J-T Address Redacted Donald & Dorothy Polson Address Redacted Donald & Dorothy Polson Family Mineral Trust - Donald & Doroty Polson - Co-Trustees Address Redacted Donald & Dorothy Polson Jt Address Redacted Donald & Helen Helm Family Tr Dtd 07/29/11 Donald & Helen Helm Trustees Address Redacted Donald & Phyllis Kreider Address Redacted Donald & Sandra S Schlothauer Joint Tenants Address Redacted Donald A & Joan M Hammer Jt Address Redacted Donald A & Patricia Anne Hill Address Redacted Donald A & Sharleen J Stigen Joint Tenants Address Redacted Donald A Benton Daneilia K Benton Jt Address Redacted Donald A Hill & Patricia A Hill Co-Ttees Of The Donald A Hill & Patricia A Hill Rev Tr Address Redacted Donald A Kessel Address Redacted Donald A Negaard Address Redacted Donald A Ranum Address Redacted Donald A Winter Address Redacted Donald Albinger & Joyce C Mast & Judith A Brangeon As J/T Address Redacted Donald And Sandra Bush Address Redacted Donald And Sarah Froehlich Life Estate, Joint Tenants Address Redacted Donald Anderson Address Redacted Donald Andrew Swanson Address Redacted Donald B Iversen Address Redacted Donald B Iversen And Bonita Kay Iversen Address Redacted Donald B Leatherman Address Redacted Donald Boehm Address Redacted Donald Bruce Gorshing Address Redacted Donald C Allman Deceased Trust C/O Jpmorgan Chase Bank Address Redacted Donald C Fredrickson Address Redacted Donald C Laukala L/E Address Redacted Donald C Milner Address Redacted Donald C Veronda Address Redacted Donald Christianson Address Redacted Donald Chudacoff Address Redacted Donald D & Betty A Boehm Address Redacted Donald D Bingen Address Redacted Donald D Drury Address Redacted Donald D Larson Jr And Tamera Larson Address Redacted Donald D Marsh Address Redacted Donald D Ortloff Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 152 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 155 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Donald D Sommerfeld Address Redacted Donald D Tank Address Redacted Donald D Whitmus And Anna Mae Whitmus Jtwros Address Redacted Donald D Wolf Address Redacted Donald Delcore Address Redacted Donald Denowh Address Redacted Donald Dickerson Address Redacted Donald Duane Richter Address Redacted Donald E & Diane F Reinholdt Joint Tenants Address Redacted Donald E Brown Address Redacted Donald E Crusch Estate Kathy L Smith Ex Address Redacted Donald E Kulczyk Address Redacted Donald E Miller Address Redacted Donald E Overson Address Redacted Donald E Stenberg Address Redacted Donald E. Turney Jr Address Redacted Donald Edward Ingle Address Redacted Donald Ervin Address Redacted Donald F Baxter Address Redacted Donald F Bowen Address Redacted Donald F Cinder Address Redacted Donald F Koenig Address Redacted Donald Fougner Address Redacted Donald Frahm Address Redacted Donald Fridley Address Redacted Donald G Galles For Life Address Redacted

Donald G Gourley Estate Susan Groover - Personal Rep Address Redacted Donald G Tregilgas Address Redacted Donald Gregory Ritter Trust Eff 9/20/07 Mary Lou Ritter, Ttee Address Redacted Donald H Zingleman Address Redacted Donald Havelka & Bernice Havelka, Jtwros Address Redacted Donald Hedlund Address Redacted Donald Iversen Address Redacted Donald J & Faye L Sadowsky Lvg Tr Dtd May 2, 1995 Address Redacted Donald J & Mary L Rasmusson Life Estate Address Redacted Donald J & Phyllis L Hasty Address Redacted Donald J And Pauline Hoffman Address Redacted Donald J Charbonneau Address Redacted Donald J Ellingsberg And Beverly Ellingsberg Husband And Wife Address Redacted Donald J Guthrie Address Redacted Donald J Heiser (Joint Tenant) Address Redacted Donald J Hopkins Life Estate Address Redacted Donald J Law Address Redacted Donald J Mastel Address Redacted Donald J Mclean Address Redacted Donald J Peterson Address Redacted Donald J Pletsch Rev Trust Bruce D Pletsch Trste Address Redacted Donald J Repetowski Address Redacted Donald J Sass Address Redacted Donald J Steinbeisser Address Redacted Donald J. Crosse Address Redacted Donald Jerry Roper Address Redacted Donald Joe Bulanek Jr Address Redacted Donald K & Ellen M Croy Address Redacted Donald K Croy Address Redacted Donald K Johnson Florence Velma Johnson J/T Address Redacted Donald Karst Address Redacted Donald Kinney Address Redacted Donald Klym Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 153 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 156 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Donald L & Barbara A Kaldahl Address Redacted Donald L Boyce Address Redacted Donald L Dahl Address Redacted Donald L Essen Address Redacted Donald L Kaldahl Address Redacted Donald L Karst Address Redacted Donald L Kilian Address Redacted Donald L Kjosen Address Redacted Donald L Laber Family Trust Dtd 04/20/05 Jo Marie S Nelson Suc Trustee Address Redacted Donald L Laber Family Trust Jo Marie S Nelson Ttee Address Redacted Donald L Martinson Address Redacted Donald L Meschke & Mary E Meschke Ttees Meschke Family Living Trust Address Redacted Donald L Netzer Address Redacted Donald L Nichols Address Redacted Donald L Niles Address Redacted Donald L Pratt Address Redacted Donald L Russell Address Redacted Donald L Sanderson Address Redacted Donald L Schmidt And Claudia K Schmidt H/W Address Redacted Donald Larkin Address Redacted

Donald Lee Grantham Irrev Trust - Ricky Patterson - Tr Address Redacted Donald Leiseth & Patsy Leiseth Rev Living Trust Donald & Patsy Leiseth Co-Ttee Address Redacted Donald Lindvig Address Redacted Donald Lynn Meschke Address Redacted Donald M Alweis Address Redacted Donald M Carlson Address Redacted Donald M Hagen Address Redacted Donald M Oien Jr Address Redacted DONALD M. VANDERPOL & IRENE VANDERPOL Address Redacted Donald Marshal Markham Family Trust Dtd 4-12-95 Donald & Ladonaa Markham - Tr Address Redacted Donald Mcfarlin Address Redacted Donald Meschke Address Redacted Donald Moe Address Redacted Donald Moe Revocable Living Tr First Nation Bank & Trust - Tr Address Redacted Donald Mrachek Address Redacted Donald Nelson Address Redacted

Donald Nesseth - Deceased C/O Melody Nesseth Kinney Address Redacted Donald P Dorsey Address Redacted Donald P Meiss Address Redacted Donald P Ortloff & Sharon A Ortloff Address Redacted Donald P Richard Fmily Minl Tr Charlotte P Atterberg, Trustee Address Redacted Donald Paul Anderson Address Redacted Donald Paul Meduna Address Redacted Donald Pennington Address Redacted Donald Piehl Address Redacted Donald Poole Address Redacted Donald R & Mabel E Stevens Joint Tenants Address Redacted Donald R & Marty Horton Address Redacted Donald R Allen Address Redacted Donald R And Phyllis J Link Address Redacted Donald R And Sharon K Schilke Address Redacted Donald R Beckman Address Redacted Donald R Carter Md Psp Address Redacted Donald R Dix Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 154 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 157 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Donald R Fuoter Trust American State Bank & Trust Co Of Williston Address Redacted Donald R Hecker Address Redacted Donald R Hecker & Ruth Plunkett As Joint Tenants Address Redacted Donald R Jones Address Redacted Donald R Link Address Redacted Donald R Link Life Estate Address Redacted Donald R Myers Address Redacted Donald R Nottingham Address Redacted Donald R Reeves Ttee Donald R Reeves Rev Trust Dtd 11/19/93 Address Redacted Donald R. Nordquist Address Redacted Donald Rasmusson Address Redacted Donald Reed Address Redacted Donald Skaar Address Redacted Donald Songer Jr And Maryellen Songer Life Estate Address Redacted Donald Stevens Address Redacted Donald Stevens And Peggy Stevens Joint Tenants Address Redacted Donald Stransky Address Redacted Donald Thomson Iii Address Redacted Donald V Stanley Jr Address Redacted Donald V Stanley Jr Estate Ruth E Stanley - Pr Address Redacted Donald V Stanley Trust Dtd 6/9/10 Address Redacted Donald W Beardsley Address Redacted Donald W Feryance Address Redacted Donald W Loomer Address Redacted Donald W Nelson Living Trust Dt 6/7/12 Donald W Nelson & Luann Marlene Nelson, Ttees Address Redacted Donald W Polensky Address Redacted Donald W Will Address Redacted Donald Ward Johnson Jr Address Redacted Donald Weese Address Redacted Donald Winter Revocable Trust Donald A Winter - Trustee Address Redacted Donald Woutat Address Redacted Donald Yates Bowlin Address Redacted Donald Zoanni Jr Address Redacted Donalda Binstock Address Redacted Donaldson Trust Fbo J E Blumberg Jo Edith Brown - Trustee Address Redacted Donaleen M Kellogg Address Redacted Donavan & Sharon Larson Revoc Liv Trust Donovan & Sharon Larson, Trustees Address Redacted Donella Olivo Keller Address Redacted Donette A Arndt Address Redacted Donlin Energy & Land Svcs Inc Address Redacted Donn Duane Huus Address Redacted Donn H Dorsett Address Redacted Donn Skadeland Address Redacted Donn Skadeland Estate Janet L Skadeland - Pr Address Redacted Donn Skadeland Estate Janet L Skadeland Pr Address Redacted Donn Skadeland Family Trust American State Bank & Tr Ttee Address Redacted Donn W Hoffelt Address Redacted Donna A Carmack Address Redacted Donna A Pederson Address Redacted Donna And Joseph Chambers Joint Tenants Address Redacted Donna B Shafer Address Redacted Donna Barnett Address Redacted Donna Beedle Address Redacted Donna Bordner Address Redacted Donna Buttram Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 155 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 158 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Donna C Olson Revocable Living Trust Leland Olson - Trustee Address Redacted Donna C Quintana Address Redacted Donna D Zimmiond Estate Address Redacted Donna Dahl Address Redacted Donna Davis Macrini Address Redacted Donna E Maloney Address Redacted Donna E Smith Address Redacted Donna Elaine Flynn Webb And Harold R Webb Address Redacted Donna F & Thomas F Weisser J/T Address Redacted Donna Fergon Address Redacted Donna G Bell Address Redacted Donna Handrick Address Redacted Donna Hatzenbuhler Address Redacted Donna Hendrickson Address Redacted Donna Ilene Skogen Address Redacted Donna J Christen Address Redacted Donna J Kunka Address Redacted DONNA J LLOYD Address Redacted

Donna J Lloyd Fergus Federal Credit Union S 3 Account Address Redacted Donna J Meek Address Redacted Donna J Mooneyhan Address Redacted Donna J Olson Address Redacted Donna J Thorpe Trustee Donna J Thorpe Living Trust Address Redacted Donna J Tobias Address Redacted Donna Jean Dawson Address Redacted Donna Jean E Yockim Address Redacted Donna Jean Whitaker Address Redacted Donna Joann Songer Address Redacted Donna Joy Harmon Address Redacted Donna Joy Johnson Address Redacted Donna K Veit Address Redacted Donna Kanavle Address Redacted Donna Kay Wooters Address Redacted Donna Kirby Rigby Address Redacted Donna L Anderson Address Redacted Donna L Holz Address Redacted Donna L Klym Address Redacted Donna L Leifheit Address Redacted Donna L Lien Address Redacted Donna L Tompkins Address Redacted Donna L Umback Address Redacted Donna Lou Melby Rev Trust Donna L Melby & Sandra Denesen King Ttes Address Redacted Donna Lynn Peterson Address Redacted Donna Lysaker Aka Donna Mae Brodal Life Estate Dale Lysaker Poa Address Redacted Donna M Alchin Address Redacted Donna M Anderson Address Redacted Donna M Emly Address Redacted Donna M Krebsbach Address Redacted Donna M Kulstad Address Redacted Donna M Kulstad L/E Address Redacted Donna M Lemieux Address Redacted Donna M Lind Estate C/O Rickey John Lind Address Redacted Donna M Luck Address Redacted Donna M Maercklein Family Tr Dtd 7-29-11 Mark W Maercklein - Trustee Address Redacted Donna M Moen Spousal Limited Access Tr Dtd 10/29/13 Rj Moen Trustee Address Redacted Donna M Pereira Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 156 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 159 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Donna M Schaff Address Redacted Donna M Snyder Address Redacted Donna M Wachinski Address Redacted Donna M. Yurgil Address Redacted Donna Mae Kubisiak Address Redacted Donna Mae Sampson Address Redacted Donna Mae Storsteen C/O Karen Hausmann Address Redacted Donna Mae Storsteen Trust Dtd 1-28-98 Donna Mae Storseen - Trustee Address Redacted Donna Mae Wiese Address Redacted Donna Mae Winden Address Redacted Donna Marie Blaski Address Redacted Donna Martinez Address Redacted Donna Mickelson Address Redacted Donna Mrachek Address Redacted Donna Mullen Address Redacted Donna O'Toole Address Redacted Donna P Postlewait Address Redacted Donna Paluck Address Redacted Donna Paluck & Robert Paluck Address Redacted Donna Panasuck Address Redacted Donna Pierpoint Address Redacted Donna R Johnson Address Redacted Donna R Lommen - Deceased C/O Lowell A Breiland Address Redacted Donna R Newberry Address Redacted Donna R Remer Address Redacted Donna R Sneva Address Redacted Donna Ruff Address Redacted Donna Shilliam Address Redacted Donna Shirley Address Redacted Donna Solberg Address Redacted Donna Verhasselt Address Redacted Donna Versluys Address Redacted Donna Virnig Estate Address Redacted Donna Voeller Address Redacted Donna Wilkening Address Redacted Donnalyn Faith Matthews Address Redacted Don-Nan Pump & Supply Co Inc P O Box 11367 Midland TX 79702 Donnelley Financial LLC PO Box 842282 Boston MA 02284-2282 Donnette L Hyde Address Redacted Donnie B Batson Address Redacted Donnie Fladeland Address Redacted Donnie M Papineau Address Redacted Donnie Michael Address Redacted Donno C Frederickson C/O Scott Frederickson 34632 760th Ave St James MN 56081 Donorschoose.Org Attn: Matching Gifts Mail Code 656 Po Box 7247 Philadelphia PA 19170-6656 Donovan R Feist Address Redacted Donovan R Kubas Address Redacted Donovan Stair Address Redacted Donovan, Sonia Address Redacted Dora E Rolfstad Address Redacted Dora E Rolfstad Life Estate Address Redacted Dora Edna Forthun Address Redacted Dora J Brockway Revocable Trst Dtd 6/23/05 Dora Brockway Ttte Address Redacted Dora Rose Oconnor Address Redacted Dora Wutzke Address Redacted Dorchester Minerals LP 3838 Oak Lawn Ave Suite 300 Dallas TX 75219-4541 DORCHESTER MINERALS OPERATING 3838 OAK LAWN AVE STE 300 Dallas TX 75219-4541 Dorchester Minerals Operating LP 3838 Oak Lawn Ave Ste 300 Dallas TX 75219-4541 Dorchester Minerals Operating LP 3838 Oak Lawn Avenue Ste 300 Dallas TX 75219-4541

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 157 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 160 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Attn: Robert P. Franke & Andrew G. Dorchester Minerals, L.P. c/o Clark Hill Strasburger Edson 901 Main Street Suite 6000 Dallas TX 75202-3794 Dorchester Royalty Corp PO Box 6332 Corpus Christi TX 78466 Doreancl Corporation 24 South Weber St Suite 400 Colorado Springs CO 80903 Doreen Devine Address Redacted Doreen E Marquez Address Redacted Doreen Enberg Address Redacted Dorene P Sitts Address Redacted Dorene Renee Webb Address Redacted Dorine J Russo Address Redacted Doris A Kyffin Address Redacted Doris A Nelson Hayashi Address Redacted Doris Ann Bolte Address Redacted Doris B Bareis As Ttee Of Doris B Bareis Rev Tr Address Redacted Doris Brandi Address Redacted Doris C Desjarlais Address Redacted Doris C Weyrauch C/O Colleen M Braeger Poa Address Redacted Doris Cahnon Address Redacted Doris D White Address Redacted Doris E & Darrell Goebel Address Redacted Doris E Mickelson Rev Liv Tst Dtd 12-13-04 1St Intl Bank & Tst Of Williston Tstee Address Redacted Doris E Simonsen Address Redacted Doris Gravrock Address Redacted Doris Gunderson C/O Ken Gunderson Address Redacted Doris Guthrie Trust For Will W Guthrie Jimmy D Jones Trustee Address Redacted Doris H Ledbetter Address Redacted Doris Haesly French Address Redacted Doris Higgins Address Redacted Doris J Roberts Address Redacted Doris Janak Individually Address Redacted Doris Jikaku Noble Trust Nationsbank Of Tx, Na Ttee #15- 511005, Trust O&G Address Redacted Doris Kolstad Estate C/O Cynthia Cooper Address Redacted Doris L & David A Gravrock Life Estate Address Redacted Doris L Holcomb C/O Janice Conley - Poa Address Redacted Doris L Vinger Family Protection Trust Dtd 11-14-18 Byron Leroy - Trustee Address Redacted Doris Langevin Address Redacted Doris Louise Fenner Address Redacted Doris Lynn Zube Address Redacted Doris M Jacobson Life Estate Address Redacted Doris P Guthrie Trust For Brian H Perry Neal A Briers Trustee Address Redacted Doris P Walter & Kids Family Mineral LLLP Address Redacted Doris Patton Hamel Address Redacted Doris Pike Guthrie Texas Trust For Mary Lynne Guthrie Perry Address Redacted Doris Pike Guthrie Trust For Mary Kate Guthrie Jimmy D Jones Trustee Address Redacted Doris Rossland Martinson Address Redacted Doris Sukiennicki Address Redacted Doris Vinger Revocable Trust Doris Vinger Trustee Address Redacted Doris Weyrauch Life Estate Address Redacted Doris Williams Address Redacted Dorne Otis Solberg Address Redacted D'Oro Energy Company PO Box 5799 Kingwood TX 77325 Dorothea R Vanderwerf Address Redacted Dorothea West Donald Zeman And Heartland Trust Company Aif Address Redacted Dorothy A Mcquay Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 158 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 161 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dorothy A Miller Address Redacted Dorothy A Olson Life Estate Address Redacted Dorothy A Rolfstad Address Redacted Dorothy A. Hudak & Edward P. Hudak Trustees Address Redacted Dorothy A. Hudak and Edward P. Hudak Trustees Address Redacted Dorothy Ann Dunham Le Address Redacted Dorothy Ann Henderson Address Redacted Dorothy Arndt Address Redacted Dorothy B Abrahamson Residuary Trust Earl A Abrahamson, Jill A Leyer Kris A Biesinger Ttees Address Redacted Dorothy B Swanson Marital Trust For William Swanson William N Brimmer Trustee Address Redacted Dorothy B. Hudman Address Redacted Dorothy Barbara Fisher Address Redacted Dorothy Barstad Trust No 1 Dorothy Barstad Trustee Address Redacted Dorothy Berce Address Redacted

Dorothy Berce Revocable Trust Dorothy Berce - Trustee Address Redacted Dorothy Birkert C/O Suzanne Spurlock Poa Address Redacted Dorothy Blanchard Address Redacted Dorothy Borsheim Meyers Address Redacted Dorothy Bujnoch Address Redacted Dorothy Bussier Address Redacted Dorothy C Fennell Address Redacted Dorothy C Schoonmaker Rv Lv Tr Dorothy C Schoonmaker Tt Address Redacted Dorothy C Treney Estate Charles A Treney - Pr Address Redacted Dorothy Chorney Oils LLC PO Box 370927 Denver CO 80237 Dorothy Clapp Miles Address Redacted Dorothy Coulter Address Redacted Dorothy D Bode Address Redacted Dorothy D Cameron Address Redacted Dorothy Dix Benson & Joseph M Tucker Joint Tenants Address Redacted Dorothy Dorval Mary Ann Dorval, Poa Address Redacted Dorothy E Corpron Living Trust Dorothy E Corpron Trustee Address Redacted Dorothy E Deegan C/O Hanni J Deegan Address Redacted Dorothy E Jones Address Redacted Dorothy E Makowski Address Redacted Dorothy E Makowski & James Makowski Address Redacted Dorothy E Tully Address Redacted Dorothy Edna Farrell Address Redacted Dorothy Elizabeth Cox Palmer Address Redacted DOROTHY F WILLIAMS Address Redacted Dorothy Farrell Address Redacted Dorothy Faye Streavel Address Redacted Dorothy Feiring Address Redacted Dorothy Fisher Address Redacted Dorothy Forsberg Address Redacted Dorothy G. Baucorn Address Redacted Dorothy Gerhardt Life Tenant Address Redacted Dorothy Ginsberg Address Redacted Dorothy Hart Mcghee Address Redacted Dorothy Hofflander John Hofflander - Poa Address Redacted Dorothy Irene Mckane Address Redacted Dorothy J Hoover Rev Trust Dtd 7/10/12 Address Redacted Dorothy J Kinsey Family Inter Vivos Revocable Trust Dorothy J Kinsey Trustee Address Redacted Dorothy J Moore Periot & Alvin G Periot, J/T Address Redacted Dorothy J Stephens Address Redacted Dorothy J Tucker Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 159 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 162 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dorothy J Tucker Trust Dtd 10-10-1988 Dorothy J Tucker, Ttee & Succ Address Redacted Dorothy Jean Kennon Address Redacted Dorothy Johnson 6316 Rock Canyon Trail Dallas TX 75232-3124 Dorothy Johnson Address Redacted Dorothy K Falley Address Redacted Dorothy Klein Address Redacted Dorothy Kubesch Address Redacted Dorothy L Desmidt Address Redacted Dorothy L Isaacson Ttee Isaacson Family Trust Address Redacted Dorothy L Jones Address Redacted Dorothy L Knighten Address Redacted Dorothy L Kubas Address Redacted Dorothy L Robinson Address Redacted Dorothy Larsen Address Redacted Dorothy Loosen 1998 Rev Trust Address Redacted Dorothy M & Arthur E White Joint Life Tenants Address Redacted Dorothy M & Darrell M Fisher Life Estate Address Redacted Dorothy M Kannianen Address Redacted Dorothy M Krogen Life Estate Address Redacted Dorothy M Rice Address Redacted Dorothy M White Address Redacted Dorothy M Zinn Life Tenant Address Redacted Dorothy Matthew Rickey Address Redacted Dorothy Mccurdy Address Redacted Dorothy Mcginnis Life Estate Address Redacted Dorothy Miles 1993 Revoc Trust Dtd March 4, 1993 Dorothy Miles, Trustee Address Redacted Dorothy Monger Address Redacted Dorothy Nicholas Estate Jeffrey Haney - Executor Address Redacted Dorothy Olson Address Redacted Dorothy Paladichuk Address Redacted Dorothy Parker Address Redacted Dorothy Pickard Address Redacted Dorothy R Brown Mineral Trust Hilltop Natl Bank Succ Ttee Address Redacted Dorothy R Hegstad Address Redacted Dorothy Roberts Lee Address Redacted Dorothy Rossland Bertrand Address Redacted

Dorothy Schleuder Attorney In Fact Katherine L Johnson Address Redacted Dorothy Skovholt Attn: Neil Skovholt Address Redacted Dorothy Stefen Address Redacted Dorothy Stephani Stashuk Trustee J Jirah No 1-D Address Redacted Dorothy Temanson Estate Address Redacted Dorothy Thompson Address Redacted Dorothy Valnes Address Redacted Dorothy Van Sickle Address Redacted Dorothy Ventsch Address Redacted Dorothy Weaver Tr U-A 8-29-06 Karen Weaver Trtee Address Redacted Dorothy Zilkowski Address Redacted Dorvan I & Eileen Solberg Jt Address Redacted Dos Perros LLC Address Redacted Dosch, Terry Address Redacted Dosia May Lusk Bryant Address Redacted Dosier Skipper Address Redacted Double Barrel Saloon & Casino LLC PO Box 342 Fairview MT 59221 2101 BROADWATER AVE DOUBLE D OIL FIELD SERVICES LLC #102 Billings MT 59102-4711 DOUBLE D OIL FIELD SERVICES LLC 2101 BROADWATER AVE #102 Billings MT 59102-4711 Double D Oil Field Services LLC 622 Antelope Circle Billings MT 59105

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 160 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 163 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Double D Revocable Living Tr Dtd 10-22-12 - Donald & Denise Henderson - Trustees 33800 Sunny View Dr Ne Albany OR 97322 Double Deuce Land & Minerals 11028 Twenty Mile Rd #100 Parker CO 80134 Double Diamond C Mineral LLC 409 13Th Avenue West Williston ND 58801 Double Ee Service Inc P O Box 2417 Williston ND 58802 Double EE Service, Inc. Russell Evitt II PO Box 2417 2218 4th Ave West Williston ND 58802-2417 Double J Resources LLC Attn Janice L Watson 3012 Callaway Drive Midland TX 79707-5035 Double U Oil Company 153 Treeline Park #300 San Antonio TX 78209 Doublepine Investments Ltd 4851 Lbj Freeway Ste 210 Dallas TX 75244 Doug & Marcy Tull Jt 3321 Caldera Blvd Midland TX 79707 Doug & Regina L. Van Heel Address Redacted DOUG AND SHARRI CVANCARA Address Redacted Doug Colby Address Redacted Doug Gorans Address Redacted Doug J Schutz Address Redacted Doug Morehouse Address Redacted Douglas & Karen Stair Le Address Redacted Douglas & Lois Christensen Trs Douglas E & Lois M, Ttees Address Redacted Douglas & Marcia Van Dyke J/T Address Redacted Douglas & Marla Niemitalo Jt Address Redacted Douglas A Asleson Address Redacted Douglas A Hecker Address Redacted Douglas A Kjono Address Redacted Douglas A Wicks Address Redacted Douglas Albert Alcott Address Redacted Douglas And Karen Christopherson, J/T Address Redacted Douglas B Bickerstaff Jr Address Redacted Douglas B Hord Address Redacted Douglas B Servo Address Redacted Douglas Blaisdell Address Redacted Douglas Bryant Ridge Address Redacted Douglas C Koch Address Redacted Douglas C Mcleod Address Redacted Douglas Carl Hutson Trust Douglas Carl Hutson Ttee Address Redacted Douglas Carlin Thigpen Ii Address Redacted Douglas Charles Carlson Address Redacted Douglas County Educational Foundation Sage Canyon Pto 620 Wilcox Rd Castle Rock CO 80104 Douglas County Treasurer 100 Third St #120 Castle Rock CO 80104 Douglas County Treasurer c/o Douglas County Colorado Attn: David Gill 100 Third St Ste 120 Castlerock CO 80104 Douglas County Treasurer PO Box 1208 100 Third St Ste 120 Castle Rock CO 80104 Douglas D Arnold C/O Wells Fargo Bank Na PO Box 41779 Austin TX 78704 Douglas D Danielson Address Redacted Douglas D Dudley Address Redacted Douglas Detienne Address Redacted Douglas Dschaak Address Redacted Douglas E Frein Address Redacted Douglas E Goebel Address Redacted Douglas E Seiler Address Redacted Douglas Earl Stephenson Address Redacted Douglas F & Niki Engel Jt Address Redacted Douglas G Marsh Address Redacted Douglas G Reetz Address Redacted Douglas Gable Address Redacted Douglas Greengard Address Redacted Douglas Groves Address Redacted Douglas H & Sally E Voris Address Redacted Douglas Haverberg Address Redacted Douglas J Bates Address Redacted Douglas J Buckman Address Redacted

Douglas J Dehn Rev Living Trust Douglas J Dehn Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 161 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 164 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Douglas J Guion Address Redacted Douglas J Meyer Address Redacted Douglas J Schmidt And Kathleen L Schmidt Joint Tenants Life Estate Address Redacted Douglas J Timmreck Address Redacted Douglas J Vedvick Address Redacted Douglas K Morton Address Redacted Douglas K Vosper & Deborah Vosper Address Redacted Douglas K. Gull Address Redacted Douglas Keith Carlson Address Redacted Douglas Kessel Address Redacted Douglas Kurash Address Redacted Douglas L Rolfsrud & Debbie Rolfsrud JT Ten Address Redacted Douglas L Sanford Address Redacted Douglas L Versteeg Address Redacted DOUGLAS L. WALTON Address Redacted Douglas M Cude & Address Redacted Douglas M Cude & Martha Ann Cude Address Redacted Douglas M Graupe Address Redacted Douglas M Halcrow Address Redacted Douglas M Hovde Address Redacted Douglas M Vander Ploeg And Laurie Mccrimmon Vander Ploeg Address Redacted Douglas Merrill Melland Address Redacted Douglas N Kelly Address Redacted Douglas O Tremblay Address Redacted Douglas Okland Address Redacted Douglas Olaf Drovdal Address Redacted Douglas Paul Bingeman Address Redacted Douglas Peter Walter Address Redacted DOUGLAS R & ROSEMARY MOSSER Address Redacted Douglas R & Rosemary Mosser Aka Doug Mosser Address Redacted Douglas R Hansen Address Redacted Douglas R Hayden Address Redacted Douglas R Mceuen Address Redacted Douglas R Mosser Address Redacted Douglas Richard Artt Address Redacted Douglas Rogers Address Redacted Douglas Rolfsrud Address Redacted Douglas Rykowski Address Redacted Douglas S Elkins Address Redacted Douglas Stair Address Redacted Douglas T Scott Address Redacted Douglas Taylor Address Redacted Douglas Vincent Bailey Address Redacted Douglas W Brady Address Redacted Douglas W Dolezal Irrev Trust Denise Wise &Douglas W Dolezal Co-Trustees Address Redacted Douglas Walter Ray Collins Address Redacted Douglas Walton Address Redacted Douglas Wescott Address Redacted Douglas Williams Address Redacted Dover Inc C/O Duane M Schwab 2598 States Blvd Dickinson ND 58601 Downtown Denver Storage Inc 2134 Curtis Denver CO 80205 Doyle C Newsom Jr And Odie Laverne Newson Family Trust Address Redacted Dp Peterson Oil Trust Of 1/1/2012 Michael Peterson Trustee Address Redacted Dpx Inc 1-624 Dehavilland Way Calgary AB T3Z 3S8 Canada Dr Bruce Lytle Md Cleveland Clinic Foundation 9500 Euclid Ave Dept J1-227 Cleveland OH 44195 Dr Douglas A Nemecek Address Redacted Dr Edward L Flowers Inidv And As Indep Exr Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 162 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 165 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dr F J Van Drasek Address Redacted Dr Felix Jegede Address Redacted Dr Geralyn Johnson Address Redacted Dr Nils Fauchald Jr Address Redacted Dr Ray L Morrison Address Redacted Dr Rick Light Dds Address Redacted Dr Robert A. Koenig Address Redacted Dr Robert E Byrne Address Redacted Dr. Robert A. Koenig Address Redacted Dragon Products LLC PO Box 3127 1655 Louisiana Street Beaumont TX 77704-3127 Dragon Royalties 5773 Woodway Dr #106 Houston TX 77057 Dress For Success Denver 2425 S Colorado Blvd #200 Denver CO 80222 Drew B Heid 2484 Wildhorse Dr Rapid City SD 57703 Drew Christiansan Address Redacted Drew Christianson Address Redacted Drew Fisher Address Redacted Drexel King Address Redacted Drillchem Drilling Solutions Llc Po Box 81735 Lafayette LA 70598-1735 Drilling Info Inc PO Box 679093 Dallas TX 75267-9093 Drilling Tools International Inc Po Box 677901 Dallas TX 75267-7901 Driscoll Childrens Hospital Development Foundation Manette Scanid President 3533 South Alameda Street Corpus Christi TX 78411-1721 Driscoll Services LLC 2151 I-94 Business Loop East Dickinson ND 58601 Drosdal, Olaf Address Redacted Drosdal, Orville Address Redacted Dru P Burk Address Redacted Drue C Stanford Address Redacted Drukman Properties LLC PO Box 574 Twin Bridges MT 59754 Dry Fork Ventures LLC 2525 Water Park Loop Se Mandan ND 58554 DRY FORK VENTURES LLC 2525 WATER PARK LOOP SE Mandan ND 58554 Drye, Ronald Address Redacted Ds Hot Oil Service Inc 330 Hursh St Riverton WY 82501 Ds Services Of America PO Box 660579 Dallas TX 75266-0579 Ds&S Chase LLC 350 Old Ivy Way Ste 100 Charlottesville VA 22903-4897 DS&S CHASE LLC 350 OLD IVY WAY STE 100 Charlottesville VA 22903-4897 Dsu Heritage Foundation 291 Campus Drive Box 19 Dickinson ND 58601 Dsu Heritage Foundation 291 Campus Drive, Box 19 Dickinson ND 58601 D-T Company Dept 324 Denver CO 80256 Dt Mccarthy Trust Ua Dtd 12/24/14 Address Redacted Dtas 401K Prof Sharing Pln Tst Deborah Toler Trustee 1327 Rusk Dr Richardson TX 75081 Dte Energy Company One Energy Plaza 1189 Wcb Detroit MI 48226-1221 Dte Energy Company Po Box 740786 Cincinnati OH 45274-0786 DTE ENERGY COMPANY PO BOX 740786 Cincinnati OH 45274-0786 Dte Inc PO Box 1522 Dickinson ND 58601 Dtm Oil Investments LP PO Box 743 Rancho Santa Fe CA 92067 Dual State Fire Protection LLC 4977 Juncton City Hwy El Dorado AR 71730 MORRISON SHERWOOD WILSON & DUAL TRUCKING & TRANSPORT, L.L.C DEOLA, PLLP ATTN: LINDA M. DEOLA PO BOX 557 Helena MT 59624 DUAL TRUCKING & TRANSPORT, L.L.C TOOLE & FEEDBACK, PLLC 702 MAIN STREET PO BOX 907 Lincoln MT 59639 Morrison Sherwood Wilson & Deola, Dual Trucking Of Montana, L.L.C. PLLP Attn: Linda M. Deola Po Box 557 Helena MT 59624 MORRISON SHERWOOD WILSON & DUAL TRUCKING of MONTANA, L.L.C. DEOLA, PLLP ATTN: LINDA M. DEOLA PO BOX 557 # 102 Helena MT 59624 DUAL TRUCKING of MONTANA, L.L.C. TOOLE & FEEDBACK, PLLC 702 MAIN STREET PO BOX 907 Lincoln MT 59639 2708 FIRST AVENUE DUAL TRUCKING, INC. CRIST KROGH & NORD ATTN: JOHN CRIST NORTH # 300 Billings MT 59101 Duane A & Lela M Schiwal Address Redacted Duane A And Jackie Wolf Jt Address Redacted Duane A Danielson Address Redacted Duane A Finsaas Address Redacted Duane A Gunderson Address Redacted Duane A Iverson Address Redacted Duane A Paulsen & Helen T Paulsen JT Ten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 163 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 166 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Duane Arlan Larson Address Redacted Duane Ballantyne Address Redacted Duane Binde Address Redacted Duane Brekke Address Redacted Duane Brown & Taffi Brown Address Redacted Duane Buschta Address Redacted Duane C Greenley & Patricia C. Greenley Address Redacted Duane C Greenley & Patricia C. Greenley JT WROS Address Redacted Duane C. Greenley (IRA) Address Redacted Duane Carlson Address Redacted Duane Carlson Trustee Of The D Carlson Family Mineral Trust U/A Dtd 01/25/10 Address Redacted Duane Clothier Address Redacted Duane D Ganther Address Redacted Duane D Grosulak Address Redacted Duane Dee Ellingson Address Redacted Duane E Moredock Address Redacted Duane E Peterson Aka Eric Peterson Address Redacted Duane Frantzick Address Redacted Duane G & Phyllis Ihli Jtwrs Address Redacted Duane G Ihli Address Redacted Duane Harden Address Redacted Duane Huravitch Address Redacted Duane I Bruns L/E Address Redacted Duane Joseph Meduna Address Redacted Duane K Erickson Address Redacted Duane L Haley Revocable Trust Duane L Haley Trustee Address Redacted Duane L Peterson Address Redacted Duane L Sanford Address Redacted Duane L Sundheim Address Redacted Duane Leon Wold Address Redacted Duane M Hanson And Fern Hanson Hw Address Redacted Duane M Hill Address Redacted Duane M Johnson Address Redacted DUANE M SCHMIDT Address Redacted Duane M Schwab &Kathy M Schwab Kenneth J Anton & Virginia L Anton Address Redacted Duane Ness Address Redacted Duane R Ullman Address Redacted Duane R Ullman Trustee Of Dallas J Ullman Credit Shelter Trst Under D.J. Ullman Rev Trt Address Redacted Duane R Ullman Trustee Of The Evelyn M Ullman Rev Trust Dated 2/19/91 Address Redacted Duane Ridl Address Redacted Duane Roller And Charlotte Roller Address Redacted Duane Rosekrans Address Redacted Duane Rustad Address Redacted Duane S Feryance Address Redacted Duane Schaff Address Redacted Duane T Haustveit & Phyllis R Haustveit As Jt Address Redacted Duane Victor Krivarchka Address Redacted Duane W Faulkner Address Redacted Duane Yttredahl Address Redacted DUBLIN CO PO BOX 783 Williston ND 58802-0783 Dubois Brothers Partnership C/O Brandon L Dubois 1021 N Garfield Street #821 Arlington VA 22201 Dubois Family Trust Eryl L Dubois Trustee Holly A Dubois Co-Trustee Address Redacted Ducey'S Electric Inc PO Box 606 Rangely CO 81648 Ducks Unlimited Inc One Waterfowl Way Memphis TN 38120-2351 Dudley J Stuber Ttee Dj Stuber Land & Royalty Trust Address Redacted Due North Address Redacted Duffens Optical 2929 W 9th Ave Denver CO 80204 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 164 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 167 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country DUFFORD & BROWN, P.C. 1700 BROADWAY, SUITE 2100 Denver CO 80290-2101 Dufner Revocable Trust Douglas Carl Dufner Trustee Address Redacted Dukart, Dustin Address Redacted Dukart, Timothy Address Redacted Duke Edwards White Star Energy, Inc PO Box 51108 Midland TX 79710 Duke Royalty LLC PO Box 2556 Bismarck ND 58502 Duke Royalty LLC Attn: Timothy P. Furlong 2101 46th Avenue Southeast #2 Mandan ND 58554 Dukes Welding & Fabrication Llc 958 East Broadway Street Dickinson ND 58601-7410 Duletsky Trust Uad 1-4-2013 Yvonne M Olson, Trustee Address Redacted Dumler Dtd 7/16/14 Sharon A Banbury Trtee Address Redacted Dun & Bradstreet PO Box 75434 Chicago IL 60675-5434 Duncan A Anderson And Sophie L Anderson Address Redacted Duncan, Heather Address Redacted Duncan, Raychel Address Redacted Dunlap, Kristin Address Redacted DUNN & MCKENZIE COS., ND 206 DEDHAM ST Norfolk MA 02056 Dunn County 205 Owens St Manning ND 58642-9513 Dunn County Unknown Owners Address Redacted Dunn Dunn Besch Testamentary Trust Citizens National Bank - Tr PO Box 820 Henderson TX 75653-0820 Dunn River Resources LLC PO Box 7426 Bismarck ND 58507 DUNN RIVER RESOURCES LLC PO BOX 7426 Bismarck ND 58507 Duodu-Amankwah, Emmanuel Address Redacted Durag Inc 1355 Mendota Heights Rd Suite 200 Mendota Heights MN 55120 Duramark Technologies Inc 16450 Southpark Dr Westfield IN 46074 Durand Lindbo Address Redacted Durango Production Corp PO Box 4848 Wichita Falls TX 76308-0848 Durango Production Corp P O Box 4848 Wichita Falls TX 76308-0848 Duraroot LLC 4626 County Road 65 Keenesburg CO 80643-8731 Durbin Street Royalties LLC PO Box 2850 Casper WY 82602 Durham Family Trust Southside Bank Successor Tr PO Box 3480, Oil & Gas Dept Omaha NE 68103-0480 Dusek Family Revocable Trust Address Redacted Dustin Alan Lee Address Redacted Dustin C Masset Address Redacted Dustin Fehr Address Redacted Dustin John Johnsrud Address Redacted Dustin John Schmidt Address Redacted Dustin L Bell Address Redacted Dustin Manuel And Sarah Manuel Jtwros Address Redacted Dustin Meiers Address Redacted Dustin Ogden Address Redacted Dustin R Eikom Address Redacted Dustin W Mitchell And Lynette D Mitchell Jtwros Address Redacted Dustin Wilde Address Redacted Dusty Carroll Address Redacted Dusty Sanderson Address Redacted Duty & Duty Agents C/O James V Duty 8904 Norwick Circle Richmond VA 23229-8119 Duwayne Odermann Address Redacted Duwayne Simonson Address Redacted Duxford LLC PO Box 53010 Midland TX 79710 Dvrcc PO Box 1081 Dickinson ND 58601 Dw Energy Group 104 Decker Court Suite 300 Irving TX 75062-2757 Dw Energy Group 104 Decker Court, Suite 300 Irving TX 75062-2757 DW ENERGY GROUP 104 DECKER COURT SUITE 300 Irving TX 75062-2757 DW ENERGY GROUP, LLC 104 DECKER COURT SUITE 300 Irving TX 75062-2757 DW SLATE LLC 1200 SMITH ST STE 1330 Houston TX 77002-4322 Dw Slate LLC C/O Riverbend Oil And Gas 1200 Smith St Ste 1330 Houston TX 77002-4322 Dwayne A Hayden Address Redacted Dwayne A Yttredahl Address Redacted Dwayne E & Colleen M Aas Living Trust Dwayne & Collen Aas - Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 165 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 168 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dwayne Fuller Sr. Address Redacted Dwayne O Turnquist Address Redacted Dwayne S Gould & Pattie L Gould Address Redacted Dwight Aarestad Address Redacted Dwight C Eiken Address Redacted Dwight C Linde Address Redacted Dwight I Graupe Address Redacted Dwight N Bordson Address Redacted Dwight Smith Address Redacted Dxp Enterprises Inc PO Box 840511 Dallas TX 75284-0511 Dyan Parrow Address Redacted Dyanthe Rose Mcdougal Address Redacted Dykman Electrical Inc 2323 Federal Way Boise ID 83705 Dylan A Larsen Address Redacted Dylan Schwarz Address Redacted Dylan Scott Bain Address Redacted Dylan Sylvia Address Redacted Dylan Wesley Talbert Address Redacted Dylis Ode Jones Estate Arturo Carbonelli C/O Henry Skjelvik Special Administrator Address Redacted Dylis Ode Jones Estate Gwyn Rees C/O Henry Skjelvik Special Administrator Address Redacted Dylis Ode Jones Estate Gwyneth Jones De Williams C/O Henry Skjelvik Administrat Address Redacted Dylis Ode Jones Estate Gwyno Rees De Jones C/O Henry Skjelvik Administrat Address Redacted Dynamic Well Service Inc 2127 22nd Street West Williston ND 58801 Dynamic Well Service Inc PO Box 2736 Williston ND 58802 Dynasty Energy Services LLC PO Box 81566 Lafayette LA 70598 E & B Oilfield Services Inc 1798 W 3250 N Roosevelt UT 84066 E & M Oil Corp PO Box 796 Billings MT 59103 E & M Services LLC 204 N Main St Pmb 134 Watford City ND 58854 E & R Royalty Company A Nebraska Corporation 866 Milwaukee Street Denver CO 80206 E & S Well Service Company 26619 Oakridge Drive The Woodlands TX 77380 E & W Waggoner Family Trust Alan S Waggoner Trustee George E Hervert Trustee Address Redacted E & W Waggoner Marital Trust Alan S Waggoner Trustee George E Hervert Trustee Address Redacted E 470 Public Highway Authority 22470 E 6th Parkway Suite 100 Aurora CO 80018 E A Lander LLC 4787 Northbrook Blvd N Stillwater MN 55082 E Alice Voris Address Redacted E Anthony Mckinnon Address Redacted E C Coppola Family LP Address Redacted E C Dorroh Estate Kimberly D Followwill Exec Address Redacted E Carol Mcguire Living Trust Michael Janzou - Trustee Address Redacted E Carol Mcguire Trustee Address Redacted E Delores Hanson Address Redacted E E Palmer Address Redacted E E Perry Address Redacted E E Watt Est Gayle Hodge Watt Exec Address Redacted E G Energy LLC PO Box 6244 Leawood KS 66206-6244 E Grace Hunter Address Redacted E H & C Rice Family LLLP Address Redacted E H GUNTER FAMILY TRUST Address Redacted E H Gunter Family Trust Keith E Gunter Succ Ttee Address Redacted E H Tomlinson Address Redacted E H Willits Address Redacted E Hayes Sieber Trst C/O Prosperity Bank And Trust Department Address Redacted E Ivar Husa Address Redacted E J Kunkel Royalty Inc Address Redacted E J Lander Co I LLC Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 166 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 169 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country E J Lander Co West LLC Address Redacted E L Farmer & Co Address Redacted E Lavelle Smith Address Redacted E M Palmer Address Redacted E Nelson Bowes Address Redacted E O Ford Address Redacted E Ross Kyger Iv Address Redacted E Sanford Mccall Jr Trust Dtd 12/13/10 Laurel J Mccall Succ Ttee Address Redacted E Services LLC PO Box 996 Belfield ND 58622 E T Lard Fam Prtshp Ltd Genie M Guynn Gen Partner Address Redacted E Taylor Armstrong Trtee Of The Armstrong Tr Address Redacted E&E Publishing LLC 122 C Street Nw Suite 722 Washington DC 20001 E&R Royalty Company A Nebraska Corporation C/O George Snyder 866 Milwaukee St Denver CO 80206 E*Trade Clearing LLC C/O Broadridge Attn: Corporate Actions Dept. 2 Journal Square Plaza 5th Floor Jersey City NJ 07306 1271 Avenue Of The E*Trade Clearing LLC John Rosenbach Americas 14th Floor New York NY 10020 E*Trade Clearing LLC Victor Lau 34 Exchange Place Plaza Ii Jersey City NJ 07311 E*Trade Securities LLC P.O. Box 484 Jersey City NJ 07303-0484 E. Brett Schafer Address Redacted E. Julia Walker Address Redacted E.B. Hamilton, Jr. Revocable Inter Vivos Trust Address Redacted E.L. Gorsuch Address Redacted E3 Environmental LLC 871 Jefferson Ave St Paul MN 55102 E3 Environmental, LLC Address Redacted Eac Trust Emory A Cantey Jr Trustee 1405 Ems Rd E Fort Worth TX 76116-2023 Eagle Artificial Lift Services PO Box 1531 Levelland TX 79336 Eagle Automation 1517 Blake St Ste 100B Denver CO 80202 Eagle Bay Properties LLC 5317 Swan Lane Ne Bemidji MN 56601 EAGLE BAY PROPERTIES LLC 5317 SWAN LANE NE Bemidji MN 56601 Eagle Capital Corporation For Rocky Mountain Work Over Po Box 4215 Tupelo MS 38803-4215 Eagle Minerals LP PO Box 671099 Dallas TX 75367-1099 Eagle Oil & Gas Co 2525 Kell Blvd, Suite 510 Wichita Falls TX 76308 EAGLE OIL & GAS CO 2525 KELL BLVD, SUITE 510 Wichita Falls TX 76308 Eagle Oilfield Rentals LLC PO Box 1382 Minot ND 58702 Eagle Operating Inc 2501 6Th Street Se Suite B Minot ND 58701 Eagle Pass Properties LLC 2615 Oak Drive Unit 25 Lakewood CO 80215 Eagle River Holdings LLC 5460 S Quebec St Ste 335 Greenwood Village CO 80111 Eagle Rock Acquisition Partnership Ii Lp Po Box 46094 Houston TX 77210-6094 Eagle Rock Acquisition Partnership II LP PO Box 46094 Houston TX 77210-6094 Eagle Software - Whiting Sara Reporting Preparation PO Box 90864 Austin TX 78709 Eagle Software LLC PO Box 90864 Austin TX 78709 Eagle Software LLC Renee Davis PO Box 90864 Austin TX 78709 Eagle-K Properties LLC PO Box 98660 Lubbock TX 79499 EAGLE-K PROPERTIES LLC PO BOX 98660 Lubbock TX 79499 Ean Services LLC Dba Damage Recovery Unit Po Box 801770 Kansas City MO 64180 Ean Services LLC PO Box 402383 Atlanta GA 30384-2383 Earl & Christine Hoffmeyer Address Redacted Earl A Thompson Address Redacted Earl Allen Barelle Address Redacted Earl And Alice Swenson Family Grandchildren LLLP Address Redacted EARL BEAN Address Redacted Earl C Cavett Address Redacted Earl D Chandler Address Redacted Earl Denver Vold Address Redacted Earl G Boussard Address Redacted Earl Haugen Address Redacted Earl J Koehn Address Redacted Earl James Mccloud Address Redacted Earl P Dennis Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 167 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 170 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Earl R Cranston Montana Department Of Revenue Case No: Dv-15-3 Address Redacted Earl Ray Nielsen Address Redacted Earl Rosenquist Van Sickle & Eunice Jean Van Sickle Trustee Van Sickle Fam Rev Living Trst Address Redacted Earl Van Alstine Address Redacted Earl W Mccloud Address Redacted MERRILL LYNCH PIERCE EARL WEEKS CHRIS WIEGAND VICE PRESIDENT FENNER & SMITH/ 4804 DEAR LAKE DR E Jacksonville FL 32246 Earline Estes Address Redacted Earljody Cranston Oil & Gas LLC Address Redacted Earls Electric Inc PO Box 576 Williston ND 58802-0576 Early Harley Address Redacted Earnest R Smith Address Redacted Earnest R Smith Sr Family LP Address Redacted Earth Point Corporation 3543 W Ambrosia Lane Kuna ID 83634 Earth Service & Abatement LLC 6700 E 50th Commerce City CO 80022 Earth Systems Inc 223 12Th Ave North Jacksonville Beach FL 32250 Earthstone Energy Inc 633 17th St Suite 2320 Denver CO 80202 Earthstone Energy Inc 633 17Th Street Suite 2320 Denver CO 80202 Earthstone Legacy Properties LLC 1400 Woodloch Forest Dr Suite 300 The Woodlands TX 77380

Easley Family Tr Dtd 12-29-10 Imogene C Easely Trtee Address Redacted East Daley Capital 5161 E Arapahoe Rd Ste 411 Centennial CO 80122 East Texas Smoker Company 10228 Cr 290 Tyler TX 75707 East, Cinnamon Address Redacted Eastern Montana Veterans Home Foundation Inc C/O Leslie Micheletto PO Box 142 Glendive MT 59330 Eastland Property & Minerals PO Box 5279 Austin TX 78763 Easton Braun Address Redacted Ebb Investments, LLC Eileen B Bowman - Manager PO Box 9609 Greenwood MS 38930 Eberline Oilfield Service Inc PO Box 335 Killdeer ND 58640 Ec Energy Partners LP PO Box 191446 Dallas TX 75219-8446 EC ENERGY PARTNERS LP PO BOX 191446 Dallas TX 75219-8446 Ecb Mineral Trust Eugene F Buresh And Cynthia B Buresh Trustees 1043 17th Ave West Dickinson ND 58601 ECHO GEOPHYSICAL CORPORATION 15995 N. BARKERS LANDING SUITE 110 Houston TX 77079 Echo Jo Steffensen Address Redacted Echometer Company 5001 Ditto Lane Wichita Falls TX 76302 Eckard Global Energy LLC 906 W Mcdermott Ste 116-363 Allen TX 75013 Eckard Global LLC 906 W Mcdermott Ste 116-363 Allen TX 75013 ECKARD GLOBAL LLC 906 W MCDERMOTT STE 116-363 Allen TX 75013 ECKARD GLOBAL, LLC 906 W MCDERMOTT STE 116-363 Allen TX 75013 Ecliptic Energy LLC 1250 S Buckley Rd Ste I-198 Aurora CO 80017 Ecolab Inc Ecolab Pest Elim Div 26252 Network Place Chicago IL 60673-1262 Ecopoint Inc 225 Hutton Ave Rifle CO 81650 Ecopoint Inc. Kirsten Lee Clancy 225 Hutton Ave Rifle CO 81650 Ecopoint, Inc. Attn: Michael Kelly Clancy 225 Hutton Ave Rifle CO 81650 Ecrime Management Strategies Phishlabs Po Box 20877 Charleston SC 29413 ECRIME MANAGEMENT STRATEGIES, INC. (D/B/A PHISHLABS) 1501 KING ST. Charleston SC 29405 Ector CAD 1301 E. 8th St. Odessa TX 79761-4703 c/o Linebarger Goggan Blair & Ector CAD Samspon LLP 112 E. Pecan Street Suite 2200 San Antonio TX 78205 Ector County Appraisal District 1301 East Eighth Street Odessa TX 79761-4703 Ector County, TX Treasurer Attn: Lindy Wright 1010 East Eighth Street Suite 100 Odessa TX 79761 Ed Daughrity Address Redacted Ed Horobin Address Redacted Ed Mudd Family Trust Joseph Mudd - Tr Address Redacted Ed Mudd Family Trust Therese R Mudd, Trustee C/O Joseph E Mudd, Poa & A-I-F Address Redacted Ed R Hultenschmidt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 168 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 171 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ed Romanyshyn Address Redacted Edco Awards & Specialties 3702 Davie Blvd Ft Lauderdale FL 33312-3494 Edco Fire & Safety Inc 2401 Kermit Highway Odessa TX 79761

Eddie Glen Orcutt Estate Peggy Griffith, Personal Rep Address Redacted Eddie Joslin Address Redacted Eddie Mitchell King Address Redacted EDDYE R GREENE WILLIAMS Address Redacted Edgar Bazer Address Redacted Edgar L & Mary Zanes Downing Tr#1 And Edgar L & Mary Zanes Downing Trust #2 Address Redacted Edgar L Thorsrud Trust Address Redacted Edgar R Crissey Address Redacted EDGE JOINT VENTURE II Address Redacted Edgen Murray Corporation PO Box 844733 Dallas TX 75284-4733 Edi Q2 Als LLC PO Box 206847 Dallas TX 75320-6847 Edin, Troy Address Redacted Edith Anson Boulware Address Redacted Edith Baker Address Redacted Edith C Follendorf Address Redacted Edith Duchane Address Redacted Edith E Norby Address Redacted Edith Halvorson Address Redacted Edith Harley Address Redacted Edith Jedlicka Le Address Redacted Edith Kathryn Verhasselt Address Redacted Edith Kirkpatrick Address Redacted Edith L Klinkenberg Address Redacted Edith M Erickson Address Redacted Edith M Lebo Address Redacted Edith M Nelson Address Redacted Edith M Patterson Hill Address Redacted Edith M Rau Address Redacted Edith M Schwenn Address Redacted Edith M Smith Address Redacted Edith M T Schewitz Dennis B Schewitz Poa Address Redacted Edith May Hewson Address Redacted Edith Mccammon Strobel Address Redacted Edith R Bryant Address Redacted Edith Rena Mitchell Address Redacted Edith Roseboom Estate C/O Carol Marie White Address Redacted Edith Sanders Irrevocable Tr Dtd 5/18/12 Fbo Camilla Daly Camilla Daly Trustee Address Redacted Edith Schroeder Erickson Address Redacted Edith Warren Trust Robert D Gerlach & Bokf Na Co Trustees Address Redacted Edithe Stransky Address Redacted Edmund Francis Burke Address Redacted Edmund M Renner & Jogay Renner Jt Address Redacted Edmund T Anderson Iv Address Redacted Edna F Neely Address Redacted Edna Hill Meeker Trust Fbo J J Meeker J J Meeker & Robt Debolt Ttees Address Redacted Edna Jensen Address Redacted Edna Mae Pilon Address Redacted Edna Rachel Pittsley Address Redacted Edna Sathrum Address Redacted Edna Walton Address Redacted Edsell D Buen C/O Thomas R Buen Address Redacted Edson P Waterhouse Trust Anne Louise Waterhouse King-Tr Address Redacted Edsyl Hill Minerals LLLP C/O Kelly Bell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 169 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 172 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Eduardo Cavazos Jr Address Redacted Eduardo D Barrera Prop Ltd Address Redacted Eduardo J Garcia Alfaro & Yelena Josefina Prato Guia JT TEN Address Redacted Edward & Elvira Falkenhagen Joint Tenants Address Redacted Edward & Lana Procive J-T Address Redacted Edward & Martha Jablonsky Fmly Mineral Trust Edward & Marth Jablonsky Ttees Address Redacted Edward A & Darlene E Selby Jtwrs Address Redacted Edward A Freed Address Redacted Edward A Hirs Iii Address Redacted Edward A Robinson LLC Attn: Edward A Robinson Address Redacted Edward B & Alice D Brown Address Redacted Edward B Mclauglin Address Redacted Edward B Simmons And Deborah A Simmons Hw Address Redacted Edward B Woodbury Address Redacted Edward Baker Address Redacted Edward Baker & Virginia Baker, Tic Address Redacted Edward Baxter Address Redacted Edward Beck Estate Address Redacted

Edward Bratcher Family Trust Edward Bratcher - Trustee Address Redacted Edward C & Zona Mae Henrichs Address Redacted Edward C Grim Address Redacted Edward C Nesheim Address Redacted Edward C Norwood Address Redacted Edward C Reinauer Jr Address Redacted Edward C Reinauer Sr Trust Edward C Reinauer Jr Trustee Address Redacted Edward Cinder Family Trust Adeline Cinder Murray & Donald F Cinder, Succ Co-Ttees Address Redacted Edward Copeland Address Redacted Edward D Fleming Address Redacted Edward D Folland Address Redacted Edward D Lewis & Rosa M Lewis Tenants In Common Address Redacted Edward D Maskeny Trustee Uta Dated 12/23/98 Address Redacted

Edward D Schmit Family Trust Frances J Schmit, Trustee Address Redacted Edward D. Jones & Co. Derek Adams 12555 Manchester Road St Louis MO 63131 Edward D. Jones & Co. Elizabeth Rolwes Corporate Actions 201 Progress Parkway Maryland Heights MO 63043-3042 Edward D. Jones & Co. Elizabeth Rolwes 201 Progress Parkway Maryland Heights MO 63043-3042 Edward Deane Motis Address Redacted Edward Delos Culver Address Redacted Edward Duletsky Address Redacted Edward E Reasoner Address Redacted Edward Eugene Cox Address Redacted Edward F Hoff Jr Address Redacted Edward F Nelson Address Redacted Edward F Unterseher Address Redacted Edward Falkenhagen Address Redacted Edward Fox Jr Address Redacted Edward Froehlich Address Redacted Edward G Arildson Address Redacted Edward G Kadane Ii Louise Kadane And Michael Gustafson Trustees Address Redacted Edward G Valentine Address Redacted Edward Gerald Ascione Address Redacted Edward Goldade Jr Address Redacted Edward H Jekel Unlocatable Address Redacted Edward Hatsel Simpson Fam Tr Mark Elliott Trustee Address Redacted Edward Henrichs Address Redacted EDWARD I SCHILKE Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 170 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 173 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Edward I Schilke Charlotte A Schilke Address Redacted Edward J Barta Address Redacted Edward J Barta Life Estate Address Redacted Edward J Kaisershot & Kathrine A Kaisershot Joint Tenants Address Redacted Edward J Klatt & Susan D Klatt Address Redacted Edward J Locricchio Address Redacted Edward John Schumacher Address Redacted Edward Johnson Address Redacted Edward Jones FBO Brian Watson IRA Address Redacted Edward Jones FBO Brian Watson IRA Attn: Brian Watson 304 S. Vermillion St. Streator IL 61364 Edward Jones FBO Daryl DeKaye Address Redacted Edward Jones/CDS** Corporate Actions 201 Progress Parkway Maryland Heights MO 63043 Edward Jones/CDS** Diane Young 1255 Manchester Road St Louis MO 63141 Edward K Larkin Address Redacted Edward K Ridl Address Redacted Edward L & Marilyn Ervin J/T Address Redacted Edward L Braun Address Redacted Edward L Kauk Address Redacted Edward L Mccaffree Address Redacted Edward M Johnson Address Redacted Edward Michael Mckrill Address Redacted Edward Mike Davis Address Redacted Edward Nickus Address Redacted Edward O Bakko Estate Address Redacted Edward O Boshell Jr Address Redacted Edward O King Estate Address Redacted Edward P Alspach Address Redacted Edward R Hudson Trst 4 Mary T Ard Trste Address Redacted Edward Rykowski Address Redacted Edward S & Diane K Nemnich Joint Revocable Trust Edward & Diane Nemnich - Tr Address Redacted Edward S Mrachek Address Redacted Edward Schilke Address Redacted Edward Scott Michaelsen Address Redacted Edward Stashuk Address Redacted Edward Street Fernandes Address Redacted Edward Tann Jr Address Redacted Edward V & Lola M Lathrop Trust Carol Lathrop-Riboli - Trustee Address Redacted Edward V Phillips Address Redacted Edward W Carlson Address Redacted Edward W Horvat & Joyce N Horvat Revocable Living Trust Address Redacted Edward Willett Address Redacted Edward Zaik Address Redacted Edwards Family Trust Mary Ann And Robert Eugene Edwards Co-Ttees Address Redacted Edwards, Christopher Address Redacted Edwards, Rachel Address Redacted EDWIN & MYRTLE NEWCOMB ROUTE 2, BOX 8 Grassy Butte ND 58634 Edwin A Nyby Address Redacted Edwin A Tofte Mineral Trust Steven A Tofte Trustee Address Redacted Edwin Arippol Address Redacted Edwin Charles Stern Iii Address Redacted Edwin David Hawn Address Redacted Edwin Egly Gwen Egly Address Redacted Edwin Evanson Address Redacted Edwin Evanson And Tammy Evanson Joint Tenants Address Redacted Edwin G Jackson Jr Address Redacted Edwin G Millis Address Redacted Edwin H Howell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 171 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 174 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Edwin H Luikart & Nancy C Luikart JT Ten Address Redacted Edwin J Streeter Address Redacted Edwin Joseph Descamp Address Redacted Edwin K Damm And Carol A Damm Joint Tenants Address Redacted Edwin Nystrom Address Redacted Edwin O And Mary K Erickson Joint Tenants Address Redacted Edwin Obrigewitsch Address Redacted

Edwin Ough Family Mineral Trst John E Ough - Trustee Address Redacted Edwin R Daniels Jr Address Redacted Edwin R Ridl Address Redacted Edwin Roy Kelly Rev Tr Edwin Roy Kelly & Joan Marie Kelly Trtees Address Redacted Edwin W Bowden Address Redacted Edwin W Matlock And Erma K Matlock Address Redacted Edwin Woodall Bowden Address Redacted Edwina E Dahl Address Redacted Edwina F Matheny Trust John Matheny Trustee Address Redacted Edwina Hurley Address Redacted Edwina W Whisman Address Redacted Edwyn H Edelman Address Redacted Edythe A Ross Selma Alfredson Aif Address Redacted Edythe Prikryl Address Redacted Eex Corporation P O Box 2000015 Houston TX 77216-0015 Ef Vc 29 LP 2060 North Loop West Ste 100 Houston TX 77018 Effective Compensation Inc 5856 S Lowell Blvd Ste 32 #322 Littleton CO 80123 Effie Jean Wilkison Address Redacted Efm Enterprises LLC C/O Judy Abrahamson Poa 6180 54th St Nw Berthold ND 58718 EGAC LTD 16404 Sapphire Pl Weston FL 33331 Egeland Family Partnership C/O Kenneth Egeland Managing Partners 1349 Dogwood Avenue Grafton ND 58237 Eggert Partnership Ltd 707 E San Patricio Ave Mathis TX 78368 Egly Family Min Tr Dtd 6-17-15 Sandy Hecker Trtee Address Redacted Eh Enterprises LP PO Box 7112 Billings MT 59103-7112 Ehrica Kolstad Address Redacted 2121 N Frontage Rd W Ehs Inc & Nedree R Simpson #247 Vail CO 81657 Ehs Inc PO Box 27 Denver CO 80201 EHS INC 2121 N FRONTAGE RD W #247 Vail CO 81657 Ehs Inc C/O Nedree R Simpson 2121 N Frontage Rd W #247 Vail CO 81657 EI Systems Investment LLC Attn: Hoa Quoc Ha 17625 El Camino Real Suite 180 Houston TX 77058 Eide, Todd Address Redacted EIGHTY-EIGHT OIL P.O. DRAWER 2360 Casper WY 82602 EIGHTY-EIGHT OIL LLC 1000 MAIN STREET LEVEL 15 Houston TX 77002 EIGHTY-EIGHT OIL LLC 1300 MAIN STREET 9TH FLOOR Houston TX 77002 EIGHTY-EIGHT OIL LLC 1600 BROADWAY SUITE 2400 Denver CO 80202 EIGHTY-EIGHT OIL LLC P.O. DRAWER 2360 Casper WY 82602 Eighty-Eight Oil LLC, an Affiliate of True Oil Company c/o Snow Spence Green LLP Attn: Kenneth P Green 2929 Allen Parkway Suite 2800 Houston TX 77019 EIGHTY-EIGHT OIL, LLC P.O. DRAWER 2360 Casper WY 82602 Eileen A Cvancara Address Redacted Eileen A Horan Address Redacted Eileen Baranko Address Redacted Eileen Cersonsky Address Redacted Eileen E Dallman Address Redacted Eileen E Kjorstad Address Redacted Eileen Hauge L/E Address Redacted Eileen J Entzel Address Redacted Eileen J Evertson Address Redacted Eileen J Meiers Address Redacted Eileen Johnson Address Redacted Eileen L Samdahl-Hahn Lvg Tr Eileen L Samdahl-Hahn Ttee Address Redacted Eileen Laycock Mcintyre Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 172 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 175 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Eileen Lysaker Address Redacted Eileen M & Steve M Huffman Address Redacted Eileen M Larson Address Redacted Eileen M Mcnalley Rev Tr Dakota Community Bank & Tr Tte Address Redacted Eileen Mcaleer Address Redacted Eileen N Larsen Address Redacted Eileen N Olson (Le) Address Redacted Eileen P Baker Address Redacted Eileen R Barnett Address Redacted Eileen R Mantz Address Redacted Eileen R Mantz & Gary Mantz, Life Estate Address Redacted Eileen Selig Address Redacted Ein M Cooley Address Redacted Einar & Sonja Prestangen Minerals Trust Sonja Prestangen - Trustee Address Redacted Eisele, Kelly Address Redacted Eising, Lucas Address Redacted Ej Consulting LLC 21869 E Layton Drive Centennial CO 80015 EJS Investment Holdings, LLC Attn: Joshua Austin PO Box 8839 Columbia SC 29202 El Campo Energy Partners LLC 8815 Chalk Knoll Drive Austin TX 78735 El Clareno Properties Ltd PO Box 781647 San Antonio TX 78278-1647 El Paso E&P Company LP PO Box 301244 Dallas TX 75303-1244 1001 LOUISINA STREET, SUITE EL PASO PRODUCTION CO. 2731B Houston TX 77002 El Petron Enterprises LLC PO Box 914 Magnolia TX 77353 El Petron Enterprises, LLC c/o Scott Douglass & Mcconnico Llp Attn: Doug Dashiell 303 Colorado Street #2400 Austin TX 78701 Elaine & John E Gary Address Redacted Elaine & John Soriano Tenants In Common Address Redacted Elaine A Masso Address Redacted Elaine Appling Shipman Address Redacted

Elaine B Grantier Living Trust Elaine B Grantier Trustee Address Redacted Elaine B Selander Address Redacted Elaine Barbara Lemmon Address Redacted Elaine Bessie Gentry Fam Min Tst Elaine Bessie Gentry Ttee Address Redacted Elaine Bullinger Address Redacted Elaine Collins Address Redacted Elaine D Buen Estate David K Buen - Pr Address Redacted Elaine D Fischer Address Redacted Elaine Darling Howard Address Redacted Elaine Doely And Dale Doely Life Estate Address Redacted Elaine Drake Madison & Louis C Madison Jts Address Redacted Elaine Emeline Lindtwed Address Redacted Elaine Georges Address Redacted Elaine H Adams Address Redacted Elaine Hammack Poldrack Address Redacted Elaine Hartl Address Redacted Elaine Jacobson Address Redacted Elaine Karsky Revocable Lvg Tr Sheryl Marsh, Pr Address Redacted Elaine L Drake Madison And Louis C Madison, Jts Address Redacted Elaine L Ensrud Address Redacted Elaine L Odermann Address Redacted Elaine L Wilde Address Redacted Elaine Larsson Sheryl Burgstahler Poa Address Redacted Elaine Linger Address Redacted Elaine Lingor Address Redacted Elaine M Erickson Address Redacted Elaine M Kessel Address Redacted Elaine M Russell Address Redacted Elaine M Trom Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 173 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 176 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Elaine M Weigelt Address Redacted Elaine Mardelle Dummler Address Redacted Elaine Nelson Address Redacted Elaine Portra Life Estate Address Redacted Elaine Rang Address Redacted Elaine Trudell Address Redacted Elaine Vachal Address Redacted Elaine Warner-Savage Address Redacted Elaine Ziskind Address Redacted ELAN MINERALS Address Redacted Elan Minerals LLC Address Redacted Eland Energy Inc Address Redacted Elberg, Andrew Address Redacted ELBERSTINE WASHINGTON BEAN Address Redacted Elberta E Smith Address Redacted Elberta L Pate Address Redacted Elbridge G Wilkinson Address Redacted Elcye Ann Kubow Address Redacted Eldean Flath Address Redacted Eldean Flynn Address Redacted Eldin L R Johnson & Marilyn Johnson Jt Tnts Address Redacted Eldin L R Johnson Life Estate Address Redacted Eldin Lr Johnson Address Redacted Eldo Jacobson Address Redacted Eldon Ary Life Estate Address Redacted Eldon Christmann Tami Christmann Address Redacted Eldon Dschaak Address Redacted Eldon L Bamford Address Redacted Eldon L Ring Estate Patti R Giger Executor Address Redacted Eldon Ring Address Redacted Eldridge Miller Entrprses LLC C/O Bokf Na Manager PO Box 1588 Tulsa OK 74101 Eleanor & Larry Keating Ttees Roy Keating Residuary Trust Address Redacted Eleanor Carol Dean Address Redacted Eleanor Day Address Redacted Eleanor J Greenan Revocable Trust - Willaim P H Hoar & Brenda G Husson - Trustees Address Redacted

Eleanor Johnson Survivors Trst Eleanor Johnson Trustee Address Redacted Eleanor L Schaan Address Redacted Eleanor Redmond Address Redacted Eleanor Russell Address Redacted Eleanor Saxowsky Address Redacted ELEANOR TROTTER Address Redacted Electra Energy Company 1777 S Harrison St #1300 Denver CO 80210 Electracom Supply Inc PO Box 16646 Lubbock TX 79490-6646 Electric Motor Repair Inc 723 North Main Denver City TX 79323 Electrical Systems Of Wy Inc PO Box 382 Gillette WY 82717 Electro Watchman Inc 1 W Water St Ste 110 St Paul MN 55107 Electronic Transaction Clearing, Inc Kevin Murphy 660 S. Figueroa Street Suite 1450 Los Angeles CA 90017 Electronic Transaction Clearing, Inc. Kevin Murphy 660 S. Figueroa Street Suite 1450 Los Angeles CA 90017 Element Feet Corporation, as successor to Gelco Corporation d/b/a GE Fleet Bonita Hall 940 Ridgebrook Road Sparks MD 21152 Element Feet Corporation, as successor to Gelco Matthew Farley, Esquire, VP / Corporation d/b/a GE Fleet Assistant General Counsel 940 Ridgebrook Road Sparks MD 21152 Element Fleet PO Box 100363 Atlanta GA 30384-0363 1201 N Market Street, Suite Element Fleet Corporation c/o Saul Ewing Arnstein & Lehr LLP Attn: John D. Demmy 2300 PO Box 1266 Wilmington DE 19899 Element Fleet Corporation, as successor to Gelco Corporation Bonita Hall 940 Ridgebrook Road Sparks MD 21152 Element Fleet Corporation, as successor to Gelco Matt Farley, Esq., VP, Assistant Corporation d/b/a GE Fleet General Counsel and Bonita Hall 940 Ridgebrook Road Sparks MD 21152 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 174 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 177 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Element Materials Technology Broken Arrow Llc 32571 Collection Center Dr Chicago IL 60693-0325 Element Materials Technology Houston Inc 14805 Yorktown Plaza Dr Houston TX 77040 Elena Wong Address Redacted Elevate Studios 2055 Xavier St #201 Bismark ND 58501 Elfriede H Ganser Address Redacted Eli Troyer Estate Perry E Troyer Executor Address Redacted Eliah T Anderson Address Redacted Eliason Eight LLC 4349 Lynne Ln Salt Lake City UT 84124 Elijah Tatum Address Redacted Eliot B Stewart Trust John M Stewart, Ian Highet & Andrew H Richards, Co-Trustees Address Redacted Elisa Ard Address Redacted Elisabeth B Butler Separate Property Trust Dtd 4-18-90 Ellen B Guinan - Trustee Address Redacted Elisabeth B Landis Address Redacted Elisabeth B. Landis Address Redacted Elisabeth Bartleson Address Redacted Elisabeth Frost Du Passage Address Redacted Elise Clark Estate Address Redacted Elise H House Address Redacted Elise Kay Lindvig Lindvig Enterprises Address Redacted Elise V Renbarger L/E Address Redacted Elite Hot Oil Inc PO Box 1369 Sidney MT 59270 Elite Inspection Services Inc PO Box 1919 Williston ND 58802-1919 Elite Lift Solutions LLC PO Box 18 Harwood ND 58042 Elite Oil Field Services LLC PO Box 11 Kimball NE 69145 Elite Pipeline Services Inc PO Box 1130 Colorado City TX 79512 Elite Power LLC 3675 8th St E Dickinson ND 58601 Elite Safety Incorporated 1918 S County Road 1085 Midland TX 79706 Elite Services Inc 261 Terra Vista St Brighton CO 80601 Elizabeth & Henry D Barnabei Address Redacted Elizabeth A Huntington Address Redacted Elizabeth A Kesner Address Redacted Elizabeth A Lucas Address Redacted Elizabeth A Marchant-Daisley Address Redacted Elizabeth A Mueller Address Redacted Elizabeth A Shannon Address Redacted Elizabeth A Spatz Address Redacted Elizabeth A Wells Address Redacted Elizabeth A Wentz Address Redacted Elizabeth Adele Westover Address Redacted Elizabeth Alyce Baxter Address Redacted Elizabeth Ann Burgin Address Redacted Elizabeth Ann Hermanson Address Redacted Elizabeth Ann Leverman Address Redacted Elizabeth Ann M Volkman L Est Marsha V Rogers Remainderman Address Redacted Elizabeth Ann Martin Address Redacted

Elizabeth Ann Nelson & Fergus Nelson, For Life As J/T Address Redacted Elizabeth Ann Newgord Address Redacted Elizabeth Ann Psencik Address Redacted Elizabeth Ann Roberts Guest Address Redacted Elizabeth Ann Truax Address Redacted Elizabeth Ann Waltz Address Redacted Elizabeth Ann Wanzek Address Redacted Elizabeth Anne Brimmer Address Redacted Elizabeth Anne Kallus Address Redacted Elizabeth B Jayson Address Redacted Elizabeth B Richards Trust Reuben F Richards Jr And Andrew H Richards, Co-Trustees Address Redacted Elizabeth Beeman Karen E Davis Poa Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 175 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 178 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Elizabeth Bolton Brian W Keohane A-I-F Address Redacted Elizabeth Bruyere Address Redacted Elizabeth Bush Irish Address Redacted Elizabeth Butler Tst Sep Prop Address Redacted Elizabeth C Howell Trust Elizabeth C Howell Trustee Jackson E Clarendon Suc Ttee Address Redacted Elizabeth Caskey Abbey Est Tr C/O Kimberly Abbey Parks Address Redacted Elizabeth Cawthorne Address Redacted Elizabeth Chacon Address Redacted Elizabeth Crain Allred Address Redacted Elizabeth D Bond Family Tr #1 C/O Davis Pacific Corporation Address Redacted Elizabeth D Larson Address Redacted Elizabeth Danielson Address Redacted Elizabeth Darr Address Redacted Elizabeth Demianew Address Redacted Elizabeth Demianew Life Tenant Address Redacted Elizabeth E Simpson Address Redacted Elizabeth Elwell Mcbride Address Redacted Elizabeth Estee Address Redacted Elizabeth F Blanchard Address Redacted Elizabeth Flaten Address Redacted Elizabeth Flygare Address Redacted Elizabeth Frahm Gibbon Address Redacted Elizabeth Gayle Norwood Address Redacted Elizabeth H Anthony Address Redacted Elizabeth H Wilsey Address Redacted Elizabeth Harden Anthony Revocable Trust Address Redacted Elizabeth Harding (Deceased) Address Redacted Elizabeth Hawthorne Address Redacted Elizabeth J Berggren Address Redacted Elizabeth J Kay Family Trust Elizabeth J Kay Trustee Address Redacted Elizabeth J Lippmann Essig Address Redacted Elizabeth J St Pierre Address Redacted Elizabeth Jane Kay Address Redacted Elizabeth Jane Kay Fmly Tr Elizabeth Jane Kay Trtee Address Redacted Elizabeth Jane Smedberg Address Redacted Elizabeth Jane Staha Barnabei Address Redacted Elizabeth Janssen Address Redacted Elizabeth Joan Bradley Revocable Trust Joanne Mcanally & Margaret Address Redacted Elizabeth Joe Pierce Address Redacted Elizabeth Knodt Address Redacted Elizabeth L Davis Marital Tr C/O Davis Pacific Corporation Address Redacted Elizabeth Libby Kilzer Address Redacted Elizabeth Liska Address Redacted Elizabeth Lloyd Davis C/O Davis Pacific Corporation Address Redacted Elizabeth Lloyd Davis Mrt Tr Elizabeth Davis Rogers Trtees Address Redacted Elizabeth M Jones Testmentary Trust 3/14/82-Harry P Hewes Tt Address Redacted Elizabeth M Sweeney Address Redacted Elizabeth M Winston Family Limited Partnership Address Redacted Elizabeth Malle Address Redacted Elizabeth Mayer Boeckman Address Redacted Elizabeth Mertz Address Redacted Elizabeth Nelson C/O Dallas Nelson - Poa Address Redacted Elizabeth Niemeyer Address Redacted Elizabeth R Butterfield Address Redacted Elizabeth R Reeves Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 176 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 179 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Elizabeth Ragazzo Address Redacted Elizabeth Reese Sower Address Redacted Elizabeth Richards Ray Address Redacted Elizabeth S Purcell C/O Dr Ian M Purcell Address Redacted Elizabeth Sarver Address Redacted Elizabeth Scott Rudd Address Redacted Elizabeth Sikveland Address Redacted Elizabeth Sims Lehan Address Redacted Elizabeth Sue Holland Address Redacted Elizabeth Susan Bradbury Address Redacted Elizabeth T Chorney Address Redacted Elizabeth T Simpson Rev Trust Dated 09/23/88 Elizabeth T Simpson Trustee Address Redacted Elizabeth Thompson Imhoff Address Redacted Elizabeth Vandamme Presley Address Redacted Elizabeth W Wright Address Redacted Elizabeth Westlund Address Redacted Elizabeth Wetzel Address Redacted Elizabeth Widmar Address Redacted Elizabeth Williams Kuebler Address Redacted Elkhorn Construction Inc PO Box 732477 Dallas TX 75373-2477 Elkhorn Well Service LLC 12697 30th St Nw Belfield ND 58622

Elko Palaniuk Jr Mineral Tr Steven R Palaniuk Suc Ttee 2702 7th Avenue W Williston ND 58801 Ella Cox Estate Address Redacted Ella L Dillon Address Redacted Ella Larson Address Redacted Ella M Steidl Address Redacted Ellabeth V Ketelsen Address Redacted Ellayne M Tracey Address Redacted Ellbogen Company Ii LLC PO Box 2967 Casper WY 82602 ELLCo Resources Inc 4960 S Gilbert Rd Suite 1-479 Chandler AZ 85249 ELLCO RESOURCES INC 4960 S GILBERT RD SUITE 1-479 Chandler AZ 85249 ELLCo Resources Inc PO Box 1448 Sidney MT 59270 Elleen E & Charles Pike Address Redacted Elleen E Pike Address Redacted Ellen A Moses Address Redacted Ellen Anne Spellman Address Redacted Ellen Collyer Address Redacted Ellen D Johnsrud Address Redacted Ellen Dean Amb Address Redacted Ellen E Price Address Redacted Ellen E Rupp Address Redacted Ellen F Voelker Address Redacted Ellen H Getz Address Redacted Ellen H Larson Address Redacted Ellen Hall Address Redacted Ellen I Gayle Address Redacted Ellen J Baldwin Address Redacted Ellen J Hiatt Address Redacted Ellen Jane Mcgarity Trust Ellen Jane Mcgarity Trustee Address Redacted Ellen Jane Slack Address Redacted Ellen K Salzberger Address Redacted Ellen L Levno Address Redacted Ellen L Wilson Address Redacted Ellen Larson Address Redacted Ellen Legett Address Redacted Ellen M & Chester Hamers Le As Joint Tenants Address Redacted Ellen Pemberton Address Redacted Ellen S Freeman Address Redacted Ellen Sampson Morris Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 177 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 180 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ellingson Family Minerals Trust James H Ellingson, Trustee Address Redacted Elliot C Hendrickson Address Redacted Elliot Lindbo Address Redacted Elliot T Benson Thomas Benson - Trustee Address Redacted Elliott Hall Company PO Box 1231 Ogden UT 84402-1231 Elliott Industries PO Box 1328 Santa Fe NM 87504 Elliott Koppel Address Redacted ELLIOTT OIL COMPANY PO BOX 786 Sidney MT 59270 Elliott Oil Corp PO Box 786 Sidney MT 59270 ELLIOTT OIL CORP PO BOX 786 Sidney MT 59270 Elliott Oil Corporation PO Box 786 Sidney MT 59270 Elliott, Sheryl Address Redacted Elliotwest Incorporated PO Box 23146 Billings MT 59104 Ellis H Scobey Estate R June Scobey Indep Exec Address Redacted Ellis L Knoll Address Redacted Ellis O Unterseher Address Redacted Ellis Stair Address Redacted Ellis, Jesse Address Redacted Ellison James Berg Address Redacted Ellison, Ryan Address Redacted Elliss, Melinda Address Redacted Ellora Energy LLC PO Box 19587 Boulder CO 80308 Ellsworth D Peterson Address Redacted

Elly B Beard 2007 Trust Elly B Beard & Trudy Martin Tt Address Redacted Elma Austin Sharon Address Redacted Elma Henneke Fulton Address Redacted Elma Jane Jackie Overstreet Address Redacted Elma P Nelson A Patricia Lawrence Poa Address Redacted Elma Sundheim Address Redacted Elmer E Nelson Jr Address Redacted Elmer E Seals Estate Margo Bailey Executor Address Redacted Elmer G Kostelecky Address Redacted Elmer G Kostelecky & Kathleen Kostelecky, Jnt Tnts Address Redacted Elmer L Herbaly Rev Tr Address Redacted Elmer L Herbaly Rev Tr Elmer L & Lorna M Herbaly Tt Address Redacted Elmer Lee Alexander Address Redacted Elmer Theodore Graves Address Redacted Elmer Van Alstine - Deceased Address Redacted Elmo Larkin Martin Jr Address Redacted Elmo Schwartz C/O Robert Mosby Address Redacted Elnore Thompson Reineke Address Redacted Eloise Forde Address Redacted Eloise Tims Jones Address Redacted Eloise V Montague Address Redacted ELRESA LOUISE PEMBROOK Address Redacted Elroy & Ruth M Kittleson Joint Tenants Address Redacted Elroy E Erickson Address Redacted Elroy Flaten C/O Jan Hislop Address Redacted Elroy R Laukala Address Redacted Elroy S Jorgensen Address Redacted Elroy Urban & Doris Urban Address Redacted Elsbeth H Rosenthal Address Redacted Elsie Clark Address Redacted Elsie L Barlow & David E Barlow Ttees Of The Elsie L Barlow & David E Barlow Rev Tr Address Redacted Elsie M Foote Address Redacted Elsie M Sauer Ttee Elsie M Sauer Revocable Trust Address Redacted Elsie Mayer Estate C/O Alan L Lerberg - Attorney Address Redacted Elsie Mayer Le Thelma M Bauer Poa Address Redacted Elsie Mayer Thelma M Bauer Poa Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 178 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 181 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Elsie Zemke Address Redacted ELSR LP 8080 N. CENTRAL EXPRESSWAY STE. 1420 LB 12 Dallas TX 75206 Elsr LP Bengal Jones Group LLC Gen Par 8080 North Central Expressway Suite 1420 Lb 12 Dallas TX 75206 ELSR, LP 8080 N. CENTRAL EXPRESSWAY STE. 1420 LB 12 Dallas TX 75206 Elton J Evenson Address Redacted Elton Thorson Address Redacted Elva J Cassel Trust Address Redacted Elva Lou Johnston And James Johnston Life Estate Address Redacted Elvera Berryman Address Redacted Elvera May Hastings Revoc Lvg Trust Dtd 8/21/1996 Elvera M Hastings, Trustee Address Redacted

Elvin F Anderson Family Trust First Nationa Bank & Trust Company Of Williston & Helen G Anderson, Co-Ttees Address Redacted Elvin Walton Address Redacted Elvira Taylor Address Redacted Elwood Patrick Address Redacted Elynx Technologies LLC Dept 243 Po Box 21228 Tulsa OK 74121-1228 Elysia Pearle Bain PO Box 581 Ashland MT 59003 E-M Resources Inc 2501 6th Street Se Suite B Minot ND 58701 Emc Joint Ventures LLC 205 1st Avenue Ne Mandan ND 58554 Emeline L. Loosen Estate PO Box 75063 Oklahoma City OK 73147 Emerald Oil & Gas LLC 14144 W Dartmouth Ave Lakewood CO 80228 Emerald Oil Inc 1600 Broadway Ste 1360 Denver CO 80202 EMERALD OIL, INC. 1600 BROADWAY STE 1360 Denver CO 80202 EMERALD OIL, INC. ATTN: MCANDREW RUDISILL 1600 BROADWAY SUITE 1360 Denver CO 80202 4800 Happy Canyon Rd Emerald Operating Co Attn: Michael S Perry #270 Denver CO 80237 Emerald Wb LLC 200 Columbine Street Suite 500 Denver CO 80206 Emergenetics International 2 Inverness Dr E #189 Centennial CO 80112 Emerson C Willis Address Redacted Emerson Process Management PO Box 730156 Dallas TX 75373-0156 Emery C & Carrie M Boe Address Redacted Emil A Rodakowski Mineral Trst Dtd 11/30/88 Noel Rodakowski, Trustee Address Redacted Emil A Sauvageau & Dorothy E Sauvageau Joint Life Estate Address Redacted Emil C Loosen 1998 Rev Trust Stride Bank - Trustee Address Redacted Emil E Benth, Jr Address Redacted Emil L Taraba & Carol J Taraba, J/T & L/E Address Redacted Emil Pesek Revocable Trust Udt 05/20/04 James & Monte Pesek Co-Ttees Address Redacted Emil Robie Wayne Address Redacted Emil Sauvageau Jr & Dorothy E Sauvageau Address Redacted Emil Sivak Address Redacted Emil Steinfink & Paula Steinfink Ten Com Address Redacted Emil W Baranko Family Minrl Tr Dated 5/28/2004 American Tr Center Trtee Address Redacted Emilee Ford Powell Address Redacted Emilee Helen Stone Address Redacted Emile-Jean Baesch-Muller Estate Address Redacted Emilie C Williams Address Redacted Emilio H Garza Address Redacted Emily A Kadane Address Redacted Emily Ann Holthaus Address Redacted Emily B Coy Address Redacted Emily Bolian Address Redacted Emily Byerly Address Redacted Emily Caldwell Address Redacted Emily Darigan Address Redacted Emily Dockery Address Redacted Emily G Shantz Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 179 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 182 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Emily H Lauchnor Address Redacted Emily Heggen Address Redacted Emily Hope Hill Alan Hope Aif Address Redacted Emily J Kulland Address Redacted Emily Jean Peterson Address Redacted Emily Jo Keyes Alger Address Redacted

Emily K Baker Family Trust C/O Carter G Baker - Trustee Address Redacted Emily Kaesberger Address Redacted Emily Kienholz Address Redacted Emily L Debele & Jacqueline M Boeke J/T Address Redacted Emily M Larose Estate Address Redacted Emily Schweitzer Address Redacted Emily W Sunstein Res Mar Trst Leon C Sunstein Jr Trustee U/D Dated 1/1/96 Address Redacted Emit Technologies Inc PO Box 6785 Sheridan WY 82801 EMK3 917 QUARRY OAKS Fairview TX 75069 Emk3 PO Box 61097 Corpus Christi TX 78466 Emma F Jaeger Address Redacted Emma Groth Address Redacted Emma Homan Address Redacted Emma Hoyt Address Redacted Emma Jeanne Bryan Beverly Kelly Poa Address Redacted Emma M Griggs C/O Mrs Susan G Young Adm Address Redacted Emma Mae Caufield Address Redacted Emma Rosenthal Address Redacted Emma Stostzel And Dorothy Stostzel Jt Address Redacted Emma Stotler Address Redacted Emmaline Hull Anderson Address Redacted Emmanuel Chavez Address Redacted Emmanuel Free Lutheran Church Address Redacted Emmanuel Sanders Foundation Address Redacted Emmas Acres Farm Part Address Redacted Emmett Cook Address Redacted Emmett S Alfredson Estate Address Redacted Emojean S Jorgensen Address Redacted Empire Drilling Company 5331 E Mockingbird Ln Apt 359 Dallas TX 75206 Empire North Dakota LLC 1203 E 33rd St Ste 250 Tulsa OK 74105 EMPIRE OIL PO BOX 1835 Williston ND 58802-1835 Empire Oil Company PO Box 1835 Williston ND 58802-1835 Empire Oil Company 473 E Remus Road Mt Pleasant MI 48858 EMPIRE OIL COMPANY PO BOX 1835 Williston ND 58802-1835 Employers Council Services Inc P O Box 539 Denver CO 80201-0539 Emr Revoc Trust Dtd 1-25-78 Lloyd R & Evelyn M Rauch Co-Tt 26455 S Tamiami Trail Ste 2208 Bonita Springs FL 34134-7825 Emrys Locksmithing LLC PO Box 514 Williston ND 58802 Emt LLC PO Box 1025 Oklahoma City OK 73101 Enbase LLC 8 Greenway Plz Ste 1300 Houston TX 77046-0802 Enbridge Pipelines (North Dakota) LLC 2505 16 St Sw, Suite 200 Minot ND 58701 ENCANA OIL & GAS (USA) INC 370 17TH STREET SUITE 1700 Denver CO 80202-5632 Enchanted Royalty LLC PO Box 9100-253 Bandera TX 78003 Enchanted Royalty Partners PO Box 9100-253 Bandera TX 78003 Encinal Land LLC PO Box 2293 Billings MT 59103 Encline Artificial Lift Technologies Llc 3310 Amherst St Houston TX 77005 Encline Artificial Lift Technologies LLC David Elmer 3310 Amherst St Houston TX 77005 Encore Energy Partners Operating LLC 5847 San Felipe Suite 3000 Houston TX 77057 Encore Energy Partners Operating LLC PO Box 4869 Department Number 397 Houston TX 77210-4869 Encore Events 1829 5th St Sw Minot ND 58701 Encore Permian Holdings LP PO Box 1113 Midland TX 79702 End 2 End Technologies 60 Sycamore St W St Paul MN 55117 End 2 End Technologies 1017 S Kansas Ave Liberal KS 67901 Endeavor Acquisitions LLC 515 Houston St Ste 500 Ft Worth TX 76102 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 180 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 183 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Endeavor Energy Resources Autry Stephens 110 N Marienfeld Suite 200 Midland TX 79701 ENDEAVOR ENERGY RESOURCES 110 N MARIENFELD SUITE 200 Midland TX 79701 Endeavor Energy Resources Autry Stephens 110 N Marienfeld Suite 200 Midland TX 79701 Endeavor Energy Resources LP Land Department 110 North Marienfeld, Suite 200 Midland TX 79701 Endress & Hauser Inc Dept 78795 Po Box 78000 Detroit MI 48278-0795 Endura Products Corp 400 W Illinois Ste 100 Midland TX 79701 Endurance American Insurance Company 1221 Avenue Of The Americas New York NY 10020 Endurance American Speacialty Ins. Co. Axilon Law Group Attn: Rick Landers 895 Technology Blvd. # 102 Bozeman MT 59718

ENDURANCE AMERICAN SPEACIALTY INS. CO. AXILON LAW GROUP ATTN: RICK LANDERS 895 TECHNOLOGY BLVD. #2360 Bozeman MT 59718 SALLEY HITE MERCER & RESOR, ATTN: DAVID SALLEY ENDURANCE AMERICAN SPEACIALTY INS. CO. LLC KOURTNEY TWENHAFEL 365 CANAL STREET ONE CANAL PLACE # 1710 New Orleans LA 70130 Endurance Lift Solutions LLC PO Box 843175 Dallas TX 75284-3175 ENDURING BLOCK 6515 LUSSIER DR Sugar Land TX 77479 Enduring Block LLC 6515 Lussier Dr Sugar Land TX 77479 ENDURING BLOCK LLC-8275 6515 LUSSIER DR Sugar Land TX 77479 Enduro Operating LLC 777 Main St Ste 800 Ft Worth TX 76102 Enduro Operating LLC PO Box 162165 Fort Worth TX 76161 Enebo, Kyle Address Redacted Enercom Inc 410 17th St Ste 250 Denver CO 80202 ENERFLEX 18452 E 111TH ST Broken Arrow OK 74011-9408 ENERFLEX ENERGY SYSTEMS 10815 TELGE ROAD Houston TX 77095 Enerflex Energy Systems Inc 10815 Telge Rd Houston TX 77095 Enerflex Energy Systems Inc 10815 Telge Road Houston TX 77095 ENERFLEX ENERGY SYSTEMS, INC. -2877 10815 TELGE ROAD Houston TX 77095 ENERFLEX ENERGY SYSTEMS, INC. -2877 10815 TELGE ROAD Houston TX 77095

Energen Resources 605 Richard Arrington Jr Blvd North Birmingham AL 35203-2707 Energes Services LLC 1328 E 18th St Greeley CO 80631 Energetics 1988 LP PO Box 5038 Englewood CO 80155-5038 Energetics Royalty Corp C/O Energetics Inc P O Box 5038 Englewood CO 80155-5038 ENERGY 11 814 E MAIN ST Richmond VA 23219 Energy 11 Operating Co LLC 814 E Main St Richmond VA 23219 ENERGY 11 OPERATING CO LLC 814 E MAIN ST Richmond VA 23219 Energy 11 Operating Company, LLC Attn: Robert A. Simon 301 Commerce Street Suite 3500 Fort Worth TX 76102 Energy Acquisitions LLLP 717 17Th Ste Ste 1400 Denver CO 80202 c/o Whitaker Chalk Swindle & Energy Eleven, L.P. Schwartz PLLC Attn: Robert A. Simon 301 Commerce Street Suite 3500 Fort Worth TX 76102 Energy Eleven, LP 120 W. 3rd Street Suite 220 Fort Worth TX 76102 Energy Enterprises Co 1008 Arthur Dr Bismarck ND 58501-2443 ENERGY EXCHANGE 3, L.P. (DBA EMK3) 1415 LEGACY DRIVE SUITE 220 Frisco TX 75034 Energy Gas Compression Inc PO Box 928 Corpus Christi TX 78403 ENERGY GAS COMPRESSION, INC-7068 PO BOX 928 Corpus Christi TX 78403 ENERGY II Address Redacted Energy Investments Corp 8555 Fairmount #F201 Denver CO 80231 Energy Laboratories Inc Department 6250 Po Box 4110 Woburn MA 01888-4110 Energy One LLC 950 S Cherry St Unit 1515 Denver CO 80246 ENERGY ONE LLC 950 S CHERRY ST UNIT 1515 Denver CO 80246 Energy Partners Consulting LLC 30 N Gould St Ste 2163 Sheridan WY 82801 Energy Producers 4537 Ladigo Lane Fort Worth TX 76126-6443 Energy Properties 2006-I LLC C/O Wilbanks Reserve Corp, Mgr 450 E 17th Ave Suite 220 Denver CO 80203 Energy Properties Limited PO Box 51408 Casper WY 82605-1408 ENERGY RESOURCES 12 OPERATING COMPANY LLC 814 E MAIN ST Richmond VA 23219 Energy Resources 12 Operating Company LLC 814 E Main St Richmond VA 23219 Energy Resources Of North Dakota, Inc PO Box 966 Williston ND 58801 Energy Royalties LLC 910 Louisiana St Suite 5030 Houston TX 77002 Energy Tech Mashup 535 16th St Ste 610 Denver CO 80202 Energy Tech Systems Inc 1422 East Broadway Avenue Bismarck ND 58501 Energy Titles Inc PO Box 107 Springfield SD 57062 ENERGY TITLES INC PO BOX 107 Springfield SD 57062 ENERGY TRANSFER Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 181 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 184 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Energy Tubulars 3010 Old Ranch Parkway Suite 400 Seal Beach CA 90740 Energy Tubulars, Inc. Blanca Benales 3010 Old Ranch Pkwy Suite 400 Seal Beach CA 90740 Energy Tubulars, Inc. Brien Beach 5757 Woodway Drive Suite 323 Houston TX 77057 Energy Xxi Onshore LLC 1021 Main (One City Centre) Suite 2626 Houston TX 77002 ENERGYIQ 2329 W. MAIN STREET SUITE 300 Littleton CO 80120 Energyiq LLC 2329 W Main St Suite 300 Littleton CO 80120 Energylink Holdings LLC 2901 Via Fortuna Ste 200 Austin TX 78746 ENERGYLINK HOLDINGS LLC (DBA REDDOG SYSTEMS INC.) PO BOX 675083 Dallas TX 75267-5083 Energyquest II LLC 4526 Research Forest Dr Suite 200 The Woodlands TX 77381 Energyquest Management LLC 4526 Research Forest Drive Suite 200 The Woodlands TX 77381 Enerlex Inc 18452 E 111Th St Broken Arrow OK 74011-9408 Enerplus Resources Usa Corp Us Bank Tower 950 17Th Street Suite 2200 Denver CO 80202 Enerstar Rentals & Services Ltd 102 579-3rd St Se Medicine Hat AB T1A 0H2 Canada Enervest Operating LLC Dept 962-1 Po Box 4346 Houston TX 77210-4346 Enervest Operating LLC Western Division Dept 962-1 Po Box 4346 Houston TX 77210-4346 ENERVUS (DRILLING INFO, INC.) 2901 VIA FORTUNA BUILDING 6 SUITE 200 Austin TX 78746 ENERVUS (DRILLING INFO, INC.) ATTN: SHAWN SHILLINGTON 2901 VIA FORTUNA BUILDING 6 SUITE 200 Austin TX 78746 ENGAGE MOBILE LLC-8685 2930 UMATILLA ST, SUITE 300 Denver CO 80211 ENGAGE MOBILIZE INC 2930 Umatilla St Ste 300 Denver CO 80211-4338 Engage Mobilize Inc 2307 Champa St Denver CO 80205 ENGAGE MOBILIZE, LLC 2930 UMATILLA ST, SUITE 300 Denver CO 80211 Enget, Travis Address Redacted Engineered Equipment Inc PO Box 2931 Casper WY 82602 England Energy LLC 1490 West Canal Court Ste 3000 Littleton CO 80120-4529 ENGLAND ENERGY LLC 1490 WEST CANAL COURT STE 3000 Littleton CO 80120-4529 1490 WEST CANAL COURT STE ENGLAND ENERGY LLC 3000 Littleton CO 80120-4529 England Resources Corporation PO Box 280 Laramie WY 82073 654 N. Sam Houston Parkway E., Englobal Inc. Darren Spriggs Suite 400 Houston TX 77060-5914 Englobal Us Inc 654 N Sam Houston Pkwy E Houston TX 77060

Englobal Us Inc Attn Deposits 654 N Sam Houston Pkwy E #400 Houston TX 77060-5914 Enmark Energy Inc 104 First Choice Dr. Suite A Madison MS 39110 Enmark Services Inc 1700 Pacific Avenue Ste 2660 Dallas TX 75201 Ennert C Borlaug Address Redacted Ennert J Wrolstad Address Redacted Ennis, Janet Address Redacted Enochs, Michael Address Redacted Enon Baptist Church C/O Jerry G Sims 1633 Highway 528 Bay Springs MS 39422 Enora Clarice Fritzell Address Redacted ENOVAPOINT, UAB 1692 MARYLAND ST Redqood City CA 94061 Enrique Erausquin Address Redacted Ensign United States Drilling Inc Po Box 17805 Denver CO 80217 Ensley Properties Inc 550 Post Oak Blvd Ste 540 Houston TX 77027 Ensrud Revocable Living Trust Mark And Elaine Ensrud Ttes Address Redacted Entergy 639 Loyola Ave New Orleans LA 70113 Entergy Po Box 8101 Baton Rouge LA 70891-8101 ENTERGY PO BOX 8101 Baton Rouge LA 70891-8101 ENTERGY NEW ORLEANS, LLC 639 LOYOLA AVE New Orleans LA 70113 ENTERPISE HYDROCARBONS L.P. 1100 LOUISIANA SUITE 1500 Houston TX 77002-5227 Enterprise Energy Inc One Financial Plaza Ste 440 Huntsville TX 77340 Enterprise Fleet Management Inc Customer Billing Po Box 800089 Kansas City MO 64180-0089 Enterprise Holdings Inc 600 Corporate Park Drive Saint Louis MO 63105 Enthalpy Services LLC 405 2nd St Se Tioga ND 58852 Entrec Cranes & Heavy Haul Inc PO Box 386 Dickinson ND 58602-0386 Entrust Inc PO Box 972894 Dallas TX 75397-2894 ENTRUST INC. 5420 LBJ FREEWAY SUITE 300 Dallas TX 75240 Envent Technologies LLC 13219 B Stafford Rd Missouri City TX 77489 Environmental Driven Solutions PO Box 821 Killdeer ND 58640 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 182 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 185 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Environmental Learning For Kids Po Box 21679 Denver CO 80221 Environmental Materials PO Box 22745 Billings MT 59104 Environmental Materials Inc PO Box 22745 Billings MT 59104 Environmental Systems Research Institute Inc File 54630 Los Angeles CA 90074-4630 ENVIRONMENTAL SYSTEMS RESEARCH INSTITUTE, INC. 380 NEW YORK STREET Redlands CA 92373-8100 Environmentally Clean Systems Address Redacted Environmentally Clean Systems Ecs 2910 N 44th St Ste 100 Phoenix AZ 85018 Environmentally Clean Systems, LLC Randy McCaskill, General Counsel 2910 N. 44th Street, Suite 100 Phoenix AZ 85018 Envision Group Ltd 20 Sienna Hills View Sw Calgary AB T3H 2Y9 Canada EOG PO BOX 840321 Dallas TX 75284-0321 EOG PO BOX 840321 Dallas TX 75284-0321 Eog A Resources Inc 104 S 4Th Street Artesia NM 88210 EOG RESOURCES PO BOX 840321 Dallas TX 75284-0321 Eog Resources P O Box 840319 Dallas TX 75284-0319 EOG RESOURCES PO BOX 840321 Dallas TX 75284-0321 EOG RESOURCES INC P. O. BOX 840319 Dallas TX 75284-0319 Eog Resources Inc PO Box 840321 Dallas TX 75284-0321 EOG RESOURCES INC P. O. BOX 840319 Dallas TX 75284-0319 Eog Resources Inc PO Box 840319 Dallas TX 75284-0319 EOG RESOURCES INC PO BOX 840321 Dallas TX 75284-0321 EOG RESOURCES INC., PREVIOUSLY PECAN PIPELINE (NORTH DAKOTA). INC. P.O. BOX 4362 MARKETING ADMINISTRATION Houston TX 77210-4362

EOG RESOURCES, INC C/O FREDRICKSON & BYRON P.A. ATTN: LAWRENCE BENDER 1133 COLLEGE DRIVE #1000 Bismarck ND 58501 EOG RESOURCES, INC P. O. BOX 840319 Dallas TX 75284-0319 EOG RESOURCES, INC PO BOX 840321 Dallas TX 75284-0321

EOG RESOURCES, INC. C/O FREDRICKSON & BYRON P.A. ATTN: LAWRENCE BENDER 1133 COLLEGE DRIVE #1000 Bismarck ND 58501 Eog Resources, Inc. C/O Fredrickson & Byron P.A. Attn: Lawrence Bender 1133 College Drive, #1000 Bismarck ND 58501 EOG RESOURCES, INC. P. O. BOX 840319 Dallas TX 75284-0319 EOG RESOURCES, INC. PO BOX 840319 Dallas TX 75284-0319 Eog Y Resources 104 S 4Th St Artesia NM 88210 Eon Office Products 60 Tejon Street Denver CO 80223 EON OFFICE PRODUCTS 60 TEJON STREET Denver CO 80223 Eos Cca PO Box 981025 Boston MA 02298 Epb O&G Tx LP PO Box 916107 Ft Worth TX 76191-6107 Epic Lift Systems LLC Dept 3872 Po Box 123872 Dallas TX 75312-3872 Epiq Court Reporting PO Box 936158 Atlanta GA 31193-6158 Episcopal Church Diocese Of Nd 3600 25th St South Fargo ND 58104 Episcopal Theological Seminary PO Box 840738 Dallas TX 75284-0738 Epl Oil & Gas Inc Attn: Debbie Morris 1021 Main St, Ste 2626 Houston TX 77002 Epping Rural Fire Department PO Box 81 Epping ND 58843 Epping Transmission Company Llc 1790 Hughes Landing Blvd Ste 500 The Woodlands TX 77380 Equal Energy Inc Fka Candera Exploration Inc 114 E 5th St Ste 300 Tulsa OK 74103-4621 Equinor Energy LP 6300 Bridge Point Pkwy Bldg 2 Ste 100 Austin TX 78730 6300 BRIDGE POINT EQUINOR ENERGY LP ATTN: LAND DEPARTMENT PARKWAY Austin TX 78703 Equinor Energy LP PO Box 732221 Dallas TX 75373-2221 EQUINOR ENERGY LP ATTN: LAND DEPARTMENT 6300 BRIDGE POINT PARKWAY BUILDING 2 - SUITE 100 Austin TX 78703 ATTN: LAND DEPARTMENT - 6300 BRIDGE POINT PARKWAY, EQUINOR ENERGY LP BAKKEN BLDG. 2, STE. 100 Austin TX 78730 ATTN: LAND DEPARTMENT - 6300 BRIDGE POINT PARKWAY, EQUINOR ENERGY LP BAKKEN BLDG. 2, STE. 100 Austin TX 10302 Equinor Energy LP Attn: Legal 2107 City West Blvd. Houston TX 77042 Equinor Energy LP c/o Kean Miller Attn: J. Eric Lockridge 400 Convention Street Suite 700 Baton Rouge LA 70802 400 Convention Street Suite Equinor Energy LP c/o Kean Miller LLP Attn: J. Eric Lockridge 700 PO Box 3513 Baton Rouge LA 70802 EQUINOR ENERGY LP PO BOX 732221 Dallas TX 75373-2221 120 LONG RIDGE ROAD, SUITE EQUINOR MARKETING & TRADING 3EO1 Stamford CT 06902 EQUINOR OIL PO BOX 732221 Dallas TX 75373-2221 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 183 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 186 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Equinor Texas Onshore Properties, LLC C/O Alma Shields 1001 Fannin Street #1800 Houston TX 77002 Equinor Texas Onshore Properties, LLC C/O James T. Kittrell 1001 Fannin Street #1800 Houston TX 77002 Equinor Texas Onshore Properties, LLC C/O Liskow & Lewis 1001 Fannin Street #1800 Houston TX 77002 Equinor Texas Onshore Properties, LLC C/O Robert L. Theriot 1001 Fannin Street #1800 Houston TX 77002

EQUINOR TEXAS ONSHORE PROPERTIES, LLC, F/K/A STATOIL TEXAS ONSHORE PROPERTIES LLC C/O ROBERT L. THERIOT 1001 FANNIN STREET #1800 Houston TX 77002 Equity Staffing Group Inc Denver Po Box 31001-2427 Pasadena CA 91110-2427 Equity Trust Co Custian Fbo Arthur R Seaman Ira 1 Equity Way Westlake OH 44145 Equity Trust Co Custian Fbo Glen William Fairbourn #Zi50699 1 Equity Way Westlake OH 44145 Equity Trust Co Custian Fbo Jungsuk Suh Ira 1 Equity Way Westlake OH 44145

Equity Trust Co Custian Fbo Robert H Gattis Jr #Z088246 1 Equity Way Westlake OH 44145

Equity Trust Co Fbo William Fowler Acct #200207116 Ira 2714 Bee Cave Rd Suite 202 Austin TX 78746 Erdwins Living Trust Dtd 1-30-12 - Henry Roy Erdwins - Trustee Address Redacted Eres Property Management LLC 1675 Broadway Ste 2010 Denver CO 80202 Eric A & Patricia Stoneburner Address Redacted Eric A Kerbaugh Address Redacted Eric Carpenter Address Redacted Eric D Anderson Address Redacted Eric D Boyt Address Redacted Eric D Frank Address Redacted Eric E Lathrop Address Redacted Eric E Smith Address Redacted Eric Ellingson Address Redacted Eric Fougner Address Redacted Eric Fugate And Melissa Fugate Hw Address Redacted Eric Furuseth Address Redacted Eric H Bartleson Address Redacted ERIC HAGEN Address Redacted Eric Henry Tester Address Redacted Eric J Elwood Address Redacted Eric J Freytag Address Redacted Eric J Koster Address Redacted Eric J Leroux Address Redacted Eric J Mitten Aleshia L Mitten Address Redacted Eric J Peter Address Redacted Eric James Hall Address Redacted Eric John Esbrook Address Redacted Eric K Hagen Address Redacted Eric K Swenson Address Redacted ERIC K. HAGEN Address Redacted Eric L Root & Jacqueline S Root, J/T Address Redacted Eric Lawrence Address Redacted Eric Lee Sundheim Address Redacted Eric M Ewoniuk Address Redacted Eric M Leininger And Lynette M Leininger Jtwros Address Redacted Eric M Tucker Address Redacted Eric Marsh Address Redacted Eric Max Bornhauser Address Redacted Eric N Nesheim Address Redacted Eric Norman Chase Sortland Address Redacted Eric P Bakke Address Redacted Eric Pennington Shatford Address Redacted Eric R Stearns Address Redacted Eric S Mcglone Address Redacted Eric S Volney Address Redacted Eric Stoley Address Redacted Eric T Ruppe Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 184 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 187 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Eric Todd Evans Address Redacted Eric V Routh Address Redacted Eric William Olson Address Redacted Erica Ann Ellis Address Redacted Erica Jones Address Redacted Erick C Christensen Gst Trust Erick C Christensen Trustee Address Redacted Erickson Family LLC Bank Of America Na Agent Address Redacted Erickson Family Minerals Trst Dennis R Erickson Trustee Jo Ellen Erickson Trustee Address Redacted ERICKSON FAMILY TRUST Address Redacted Erickson Family Trust Robert Erickson & Daniel M Erickson Co-Ttees Address Redacted Erickson Oil LLC Address Redacted Erik And Marcia Kjesbu Address Redacted Erik And Shardelle Olsen Address Redacted Erik E Hansen Address Redacted Erik E Hansen & Anita A Hansen Address Redacted Erik L Larsen Dba Address Redacted Erik Lee Address Redacted Erik Nordeng Address Redacted Erik Peter Ostman Address Redacted Erik T Gunderson Address Redacted Erika & Todd Donner Address Redacted Erin B Wanner Address Redacted Erin C Oshaughnessy 2006 Trust Northern Tr Co, Co- Ttee & Michael W Oshaughnessy Co-Ttee Address Redacted Erin Crosby Ortiz Address Redacted Erin Ekblad Address Redacted Erin Elizabeth Hendricks Address Redacted Erin Fougner Address Redacted Erin Henry Address Redacted Erin K Goerges Address Redacted Erin Kelly Hartzell Address Redacted Erin L Heninger Address Redacted Erin M Chapman Address Redacted Erin M Franklin C/O Julie Franklin Address Redacted Erin Sweeney Address Redacted Erisa Diagnostics Inc Address Redacted Erlinda Hickel Address Redacted Erma Power Address Redacted Erna Seidler Wood Address Redacted Ernest Armstrong Address Redacted Ernest C Cotter Jr And Joann L Cotter Hw Address Redacted Ernest Carstens And Elsie Carstens L/E Address Redacted Ernest Frank Sylvia Sr & Christine A Sylvia, J/T Address Redacted Ernest G Wolla Jr Address Redacted ERNEST G WOLLA JR Address Redacted Ernest Grodi Address Redacted Ernest H Stalder Address Redacted Ernest H Wieber And Harriet L Wieber Jt Address Redacted Ernest J And Valarie M Sill Joint Tenants Address Redacted Ernest Klem Address Redacted Ernest Lee & Nell K Buckman Jt Address Redacted Ernest N Scheller Bernice P Scheller Address Redacted Ernest Nesseth - Deceased C/O Jeffrey Nesseth Address Redacted Ernest P. Vodney Address Redacted Ernest R & Denise A Sanborn Address Redacted Ernest R Olson Address Redacted Ernest Stordahl Address Redacted Ernest T Fedje Trust B - First National Bank & Trust Co In Grand Forks Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 185 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 188 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ernest W Stalder Address Redacted Ernestine French Address Redacted Ernestine L Miller Address Redacted Ernestine Miertschin Address Redacted Ernestine Wordley Diegnan Address Redacted Ernie Cotter Jr Life Estate Address Redacted Ernie Eugene Long Address Redacted ERNST & YOUNG Address Redacted ERNST & YOUNG LLP Address Redacted Ernst C Carlson Jr (R-Jay Squared) Address Redacted Ernst Clay Loosen Address Redacted Ernst Mahler Jr Address Redacted Errol A Evenson Address Redacted Errow A Hensch Address Redacted Errow A Hensch Address Redacted Ervin & Susan Smith Mineral Tr Susan Smith - Trustee Traves W Smith - Poa Address Redacted Ervin A Hoffmann Life Estate Address Redacted Ervin Haas Address Redacted Ervin J Lee Address Redacted Ervin J Sletten Life Estate Address Redacted Ervin Schley Address Redacted Ervin V Grafe Address Redacted Es Land & Livestock LLC PO Box 311 Kaycee WY 82639 ES LAND & LIVESTOCK LLC PO BOX 311 Kaycee WY 82639 ES LAND AND LIVESTOCK PO BOX 311 Kaycee WY 82639 Esc Lab Sciences PO Box 5003 Lebanon TN 37088-5003 Esker C Matteson Address Redacted Esley Thorton Jr Address Redacted E-Source Energy Swd LLC PO Box 210 Killdeer ND 58640 Esp Completion Technologies (C&J) Po Box 679369 Dallas TX 75267-9369 Espero Energy Corporation PO Box 970613 Dallas TX 75397-0613 Espinoza, Guadalupe Address Redacted Espinoza, Philip Address Redacted Espinoza, Rafe Address Redacted Esse Harold Keyes Address Redacted Essential Safety Products 5750 Pecos St Denver CO 80221 Est L R Mitten Decd Address Redacted Est Of Arnel C Flaten Decd Address Redacted Est Of Bert Flaten Decd Address Redacted Est Of Dean Arneson Address Redacted Est Of Dorothy L Matross Decd Address Redacted Est Of Dorothy M Moellring Address Redacted Est Of Ellis Moellring Decd Address Redacted Est Of Emma Glaiser Decd Address Redacted Est Of Fern Deyoung Address Redacted Est Of Florence B Driggs Decd Address Redacted Est Of Floyd Moellring Decd Address Redacted Est Of Harry B Brown Dec. Address Redacted Est Of Irene Overbo Decd Address Redacted Est Of James A Ortloff Decd Address Redacted Est Of Josephine Osborn Decd Address Redacted Est Of Lena Tremarche Decd Peggy Shaw - Pr Address Redacted Est Of Lorraine Borrud Decd Address Redacted Est Of Maxston Arneson Address Redacted Est Of Melvin Arneson Address Redacted Est Of Penny Jones Alexander C/O Christopher M Howdeshell Jimmy C Havard Admmin Of Est Address Redacted Est Of Phillip Ervin Dcd C/O Joseph B Walker Esq Adams & Reese LLP Address Redacted Est Of Ralph Moellring Decd Address Redacted Est Of Raymond Page Jones Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 186 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 189 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Est Of Wallace W Hickel Address Redacted Est Of Yvonne K Thompson C/O Rick D Thompson Address Redacted Est Theresa M Chormicle Wemple Address Redacted Estancia Petroleum Corp PO Box 8478 Denver CO 80201 Estancia Petroleum Corp PO Box 8478 Denver CO 80201-8478 ESTANCIA PETROLEUM CORP PO BOX 8478 Denver CO 80201-8478 ESTANCIA PETROLEUM CORP PO BOX 8478 Denver CO 80201 Estate Of Albert Stephens C/O Nancy Doss Address Redacted Estate Of Alma Russo Address Redacted Estate Of Alphonse J Grun Address Redacted Estate Of Amelia C Toedtli Address Redacted Estate of Ann D Huson Address Redacted Estate Of Arlis A Ley Bruce O Ley Pr Address Redacted Estate Of Arnold Lund Attn Thelma B Lund Address Redacted Estate Of Arthur Fedje Address Redacted Estate Of Audrey Westerso C/O Florence Westerso Address Redacted Estate Of Axel C Nelson Address Redacted Estate Of Betty H Pope Johnny Lewis - Executor Address Redacted Estate Of Charles E French Deceased Address Redacted Estate Of Christine E Aftem Carla M Aftem - Pr Address Redacted Estate Of Christopher Lobdell Address Redacted Estate Of Clarice A Fosse Personal Rep Diane Houge Address Redacted Estate of Clemson N. Page, Dec'd Address Redacted

Estate Of Clyde J Satermo Raelene Keplin Personal Rep Address Redacted Estate Of Denise King Deceased Address Redacted Estate Of Donald G Bottrell Teresa L Bottrell Per Rep Address Redacted Estate Of Donald G Rene Personal Rep Dawn Marie Hicks Address Redacted Estate Of Donna J Deegan Carolyn R Sattler - Pr Address Redacted Estate Of Dorothea T Page Address Redacted Estate Of Ellen M Thomson Donald M Thomson Jr - Pr Nancy Ellen Haerer - Aif Address Redacted Estate Of Ernest Fedje Address Redacted Estate Of Ernest Gene Catlett Address Redacted Estate Of Estella F Cass Address Redacted Estate Of Esther Koering Address Redacted Estate Of Esther Sands Foss Address Redacted Estate Of Ethel Nelson Address Redacted Estate Of Evangaline Hamilton Deceased Address Redacted Estate Of F Howard Walsh Address Redacted Estate Of Frances A Roberts Diana Sparks, Executor Address Redacted Estate Of Frank Dobias Address Redacted ESTATE OF FRANK J BAVENDICK Address Redacted Estate Of Frank J Bavendick Greg J Bavendick & Kyle Herman - Co-Personal Rep Address Redacted Estate Of Frank Stephens C/O Louise Smith Address Redacted Estate Of Fred Beyl Address Redacted

Estate Of Fred Bozanich Personal Rep Cheryl Bozanich Address Redacted Estate Of Fred M Schmoker Douglas Schmoker - Pr Address Redacted Estate Of Genane Alice Stryson Deceased Address Redacted Estate Of Gene Folkedahl Address Redacted Estate Of Gloria Carver Address Redacted Estate Of Gordon C Thompson Patricia Quinn Pr Address Redacted Estate Of Gregory Rolla Cassie Zemke - Pr Address Redacted Estate Of Gust A Nelson Address Redacted Estate Of Harry Letts C/O Kevin Corliss, Pr Address Redacted Estate Of Hazel Cass Address Redacted Estate Of Henrietta Drievold Deceased Address Redacted Estate Of Hilda I Treffry Sandra Qualley Personal Representative Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 187 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 190 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Estate Of Hugh Kline C/O Lorna Kline Address Redacted Estate Of Iris Kline Traynor Sharon A Skretting - Pr Address Redacted Estate Of Jean Bina Address Redacted Estate Of Jo Ann Hanson Address Redacted Estate Of John C Haukedahl Address Redacted Estate Of John C Westlie Dakota Mineral Company Of Minot Address Redacted Estate Of John M Landers C/O Darwin Gunderson Address Redacted Estate Of Joseph Dobias Address Redacted Estate Of Joseph P Scanlan Wayne D Scanlan - Pr Address Redacted ESTATE OF JOSEPH P SCANLAN, WAYNE D SCANLAN - PR Address Redacted Estate Of Joseph Sands Address Redacted Estate Of Joyce Keogh C/O Laurie Keogh Address Redacted Estate Of Joyce M Ware Gerald M Ware - Pr Address Redacted Estate Of Judith Kay Baxter Address Redacted ESTATE OF JUDY DEVNEY, DEC'D Address Redacted Estate Of Judy R Erickson, Deceased Address Redacted Estate Of Kimberly L Kukowski C/O Andrew Loebe Address Redacted Estate Of Leatrice J Hayes Tamra Hayes - Pr C/O Marra Evenson & Bell Pc Address Redacted Estate Of Lee G Hanson C/O Leann Hedge Address Redacted Estate Of Leonard G Nelson Address Redacted Estate Of Leone A Nelson Linda Cox, Personal Rep Address Redacted Estate Of Lewis H Johnson C/O Scott W Johnson Address Redacted Estate Of Loren Wanous Address Redacted

Estate Of Louise W Borah Annie B Kennedy Executor Address Redacted Estate Of Margaret B Merritt Merita M Barbee & Ap Merritt Jr - Ind Co-Execs Address Redacted Estate Of Margery E Rene C/O Amanda Rene Address Redacted Estate Of Margery Haskins Address Redacted Estate Of Marlene Trahair Rood Address Redacted Estate Of Martha Kelsey Smith C/O James Smith Personal Rep And Kelsey Smith Address Redacted Estate Of Melvin Wold Address Redacted Estate Of Miles Asleson Decd Address Redacted Estate Of Minerva Fournier Address Redacted Estate Of Norma Jean Besemann Carla Larson & Roberta Sandin Co-Personal Representatives Address Redacted Estate Of Olaus Sands Address Redacted Estate Of Olen Holt Address Redacted Estate Of Olga Gamache C/O Tamara A Hamilton Address Redacted Estate Of Parry Kline C/O Lajeanne Kline Address Redacted Estate Of Ranghild Innleggen Address Redacted

Estate Of Rhonda F Pedersen William L Pedersen - Pr Address Redacted ESTATE OF RICHARD SIEGAL Address Redacted Estate Of Robert E Gall Maryellen Tasch - Executor Address Redacted Estate Of Robert W Peterson Address Redacted Estate Of Ross Stephens Deceased Address Redacted Estate Of Samuel Sands Address Redacted Estate Of Sarah Sands Address Redacted

Estate Of Selmer Fedje Aka S.N. Fedje Aka Sam Fedje Address Redacted Estate Of Shirley F Biwer Natalie Cowley - Pr Address Redacted Estate Of Stanley A Erickson Address Redacted

Estate Of Todd Owen Aho Joseph V Womack - Trustee Address Redacted Estate Of Vergil A Bentz Vera Kummer Personal Rep Gail M Wold Poa Address Redacted Estate Of Verlin D Shafer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 188 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 191 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Estate of Vernal D. Bakken Address Redacted Estate Of Victoria Sadowksy Roxanne Ficek - Pr Address Redacted Estate Of Virgil K Sprague C/O Vickie Ocken Address Redacted

Estate Of Walter K Howard C/O 1St Nat'L Bank Of Olney Address Redacted Estate Of William C Oconnor Caroline L Oconnor - Pr Address Redacted ESTATE OF WILLIAM G. HELIS, Address Redacted Estate Of William M Toedtli Address Redacted Estate Oil & Gas Corp Address Redacted Estella Ann Loitsch Address Redacted Estella Boltz Address Redacted Estella Helen Rogg Trust Address Redacted Estelle C Haefele Address Redacted Estelle Landi TTEE Landi Family 1990 Trust DTD 5/12/1990 Address Redacted Estelle Tu Address Redacted Ester Gerhardt Vesenmeir Address Redacted Estes Park Health Foundation Address Redacted Esther Barber Address Redacted Esther D Milici Address Redacted Esther Dyer Address Redacted Esther E Leake Address Redacted Esther Eichhorst Robert E Eichhorst, Poa Address Redacted Esther F Storms Address Redacted Esther I Waldrip Address Redacted Esther L Crossley Address Redacted Esther L Moe Address Redacted Esther M Kubeczka Address Redacted Esther M Maki Address Redacted Esther M Myhre Address Redacted Esther Skaar Minerals Trust Brian Skaar Trustee Address Redacted Esther Smith Address Redacted Estvold Consulting LLC Dale Estvold 4011 84th Ave Nw New Town ND 58763 Estvold Oilfield Services Inc Attn: Jake Estvold 3962 84th Ave NW New Town ND 58763 Estvold Oilfield Services Inc Jake Estvold Po Box 1191 New Town ND 58763-1191 ESTVOLD OILFIELD SERVICES, INC JAKE ESTVOLD PO BOX 1191 New Town ND 58763-1191 Et Farms LLC 3934 Val Verde Rd Loomis CA 95650 Eta Flag Roy Trst Nat Assoc Trste Acct 010515089 Address Redacted ETC FIELD SERVICES, LLC 1600 STOUT ST SUITE 1200 Denver CO 80202 Etd Risk Consultant LLC 7314 Wistful Dr Katy TX 77494 Eternal Word Television Network 5817 Old Rd Irondale AL 35210 Ethan Ash Address Redacted Ethan Cooke James William Cooke -Custodian Address Redacted Ethan T Ritter Address Redacted Ethel C Hawley Address Redacted Ethel Capinera Address Redacted Ethel Conlin C/O Liz Bustad Address Redacted Ethel Eleanor Oestereick Carolyn Gilliland, Poa Address Redacted Ethel Elizabeth Hart Gibson Living Trust Address Redacted Ethel Lee White Address Redacted Ethel M Babin Address Redacted Ethel Mcilwain Estate Address Redacted Ethel Schultz Address Redacted Ethyl M Aasen Le Charles Wade Aasen Poa Address Redacted Etk Jones-Rachel LLC Address Redacted Etzel, Martin Address Redacted Euci 6400 S Fiddlers Green Circle Suite 1620 Greenwood Village CO 80111 Eugene & Beverly Lalonde Trust Beverly P Lalonde Succ Trustee Address Redacted Eugene & Mae Bunten Joint Tenants Address Redacted Eugene A Crain Address Redacted Eugene A O'Brien Estate Mark O'Brien Personal Rep Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 189 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 192 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Eugene A Rousseau Address Redacted Eugene A Togstad Address Redacted Eugene Andrew Bauer Address Redacted Eugene Boardman Rice Ii Address Redacted Eugene C Turnquist As Trustee Eugene C Turnquist Living Trust Address Redacted Eugene Chormicle Address Redacted Eugene Craig Stuessy Address Redacted Eugene D Youngman Address Redacted Eugene Hannegrefs Address Redacted Eugene Hoffer Address Redacted Eugene J Detienne Family Trust Address Redacted Eugene J Schwartz Address Redacted Eugene L Ensor Address Redacted Eugene L Routledge Address Redacted Eugene Monesi Trustee C/O Maureen Monesi Address Redacted Eugene O Holen Address Redacted Eugene O Perkins Address Redacted Eugene R & Helen J Bailey Living Trust Helen J Bailey - Trustee Address Redacted Eugene R Bailey Address Redacted Eugene R Wanner Address Redacted Eugene Ronningen Address Redacted Eugene Schwartzenberger Address Redacted Eugene Songer Address Redacted

Eugene Stefonowicz Laurie Pederson & Sally Rehak Poa Address Redacted Eugene T Dworsky Address Redacted Eugene Vandeberg Address Redacted Eugene W Fletcher Iii Address Redacted Eugene Wallach Address Redacted Eugenia I Dietz Address Redacted Eugenia Kay Macleod Trust Address Redacted Eugenie R Morrison Address Redacted Eulalie I Heidt Address Redacted Euler Hermes N.A. Insurance Co. Agent of Derrick Corporation Claim Id 000441864 Address Redacted Eunice A Vix Address Redacted Eunice Church Address Redacted Eunice Engen Address Redacted Eunice Kittilson Address Redacted Eunice L Burke Address Redacted Eunice L Hosey Address Redacted Eunice M Lohse Living Trust Dtd 10-30-97 Gene L Lohse - Trustee Address Redacted Eunice Mae Lohse Address Redacted Eunice Romo Address Redacted

Europac Energy Ii LLC C/O Piper Grace Consulting LLC Address Redacted Eutemia C Archuleta Address Redacted Eva & Edward Lux Address Redacted

Eva Claire Washburn Trust Eva Claire Washburn Trustee Address Redacted Eva Dwyer Address Redacted Eva Edwards Address Redacted Eva Jablonsky Address Redacted Eva Jean Stevens Address Redacted Eva Knebel Lux Address Redacted Eva L Sweeney C/O David J Sweeney Address Redacted Eva Loran Revocable Living Tr Eva M Loran - Trustee Joseph Loran Poa Address Redacted Eva Lyon Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 190 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 193 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Eva Marie Focht Family Trust Address Redacted Eva V Vaughan Address Redacted Eva Whitlock Stone Address Redacted Evalena M Madril Address Redacted Evan Ammidown Address Redacted Evan Curtis Address Redacted Evan J Ritter Address Redacted Evan K Deegan Address Redacted Evan Michael Robinson Wells Fargo Bank Na Specialty Asset Operations Address Redacted Evangelical Bible Church 2891 5th Ave W Dickinson ND 58601 Evangelical Lutheran Church Of Clear Creek 11201 35th Street Nw Keene ND 58847 Evangelical Luthern Church In America 8765 West Higgins Road Chicago IL 60631 Evangeline C Kolberg Address Redacted Evangeline Thompson Jovre Address Redacted Evanoff, Travis Address Redacted Evans Company PO Box 711 Huntsville TX 77342-0711 Evans Services LLC 1000 12Th Street Golden CO 80401 EVANS SERVICES, LLC 1000 12TH ST. Golden CO 80401 Eve Jacqueline Lieras Address Redacted Evelyn A Jones Address Redacted Evelyn Anne Gordon Trust Dtd 2/22/83 James Patrick Gordon, Trustee Address Redacted Evelyn Arnegard Address Redacted Evelyn Beyers Address Redacted Evelyn Bigler Address Redacted Evelyn C Storm Address Redacted Evelyn Coey Ed Coey Conservator Address Redacted Evelyn Dietz Life Estate Address Redacted Evelyn Farrington Address Redacted Evelyn Genevieve Brown C/O Virginia B Brown Address Redacted Evelyn Halverson Address Redacted Evelyn Halvorson Address Redacted Evelyn Hoelscher Fox Address Redacted Evelyn Huschka Wariner L/E Address Redacted Evelyn I Pringle Address Redacted Evelyn J Arnold Address Redacted

Evelyn J Greathouse Trustee Under Trust Dated 2/28/74 Address Redacted Evelyn J Rosenow Address Redacted Evelyn June Florey Address Redacted Evelyn Lindsley Frances Olson Poa Address Redacted Evelyn M Bales Address Redacted Evelyn M Diggs Address Redacted Evelyn M White Address Redacted Evelyn Noonan Address Redacted Evelyn Odegard Address Redacted Evelyn S Gray Address Redacted Evelyn Salsbury Address Redacted Evelyn Salsbury Revocable Living Trust Address Redacted Evelyn V Kaczmar Address Redacted Evelyn Vokal Address Redacted

Evelyn Vokal Family Mineral Tr Evelyn Vokal - Trustee Address Redacted Evelyn Wehner Address Redacted Evelyn West Address Redacted Evelyn Wiederrich Address Redacted Evenson Consulting Inc Address Redacted Everest Energy LLC Address Redacted Everest J & Martha A Ledwig Address Redacted Everett A Hurley Address Redacted Everett Coffelt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 191 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 194 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Everett L Smith Jr Address Redacted Everett Lee Degol III Rev Tr Robert D Gerlach & Bokf Na Co Trustees Address Redacted Everett Petroleum LLC PO Box 4631 Lago Vista TX 78645 EVERETT PETROLEUM LLC PO BOX 4631 Lago Vista TX 78645 EVERETT RANCHES PO BOX 107 Breckenridge TX 76024 Everett Real Estate Inc PO Box 1036 Dickinson ND 58602 Everett Royalty LLC PO Box 4631 Lago Vista TX 78645 Everett T. Brauner Address Redacted Evergreen Growth Group LLC 16420 Se Mcgillivray Blvd Suite 103 Pmb 195 Vancouver WA 98683 16420 SE MCGILLIVRAY BLVD EVERGREEN GROWTH GROUP, LLC STE 103 PMB 195 Vancouver WA 98683 Evergreen Working Capital LLC For King Completions Llc Po Box 3729 Houma LA 70361-3729 Evertson Energy Partners LLC PO Box 397 Kimball NE 69145 Evertson Energy Partners LLC 4362 E Highway 30 Kimball NE 69145 EVERTSON ENERGY PARTNERS LLC P O BOX 397 Kimball NE 69145 Evertson Investment Ptshp LLC PO Box 397 Kimball NE 69145 Every Child Pediatrics 9197 Grant St Thornton CO 80229 Evgeny Andronov 8402 E 55th Ave Denver CO 80238 Evgeny Andronov Address Redacted EVIRONMENTAL SYSTEMS RESEARCH, INC. 380 NEW YORK STREET Redlands CA 92373 Evitt Mineral Holdings LLC PO Box 1291 Williston ND 58802-1291 Evo Incorporated Ev Downhole Video 1557 W Sam Houston Pkwy N Ste 100 Houston TX 77043 Evolution Completions 409 8th Ave East Williston ND 58801 Evolution Completions Inc 409 8th Ave E Williston ND 58801-5522 EVOLUTION COMPLETIONS INC PO BOX 1005 Sidney MT 59270 EVOLUTION COMPLETIONS INC PO BOX 1005 Sidney MT 59270 Evolution Energy LLC PO Box 113 Bismarck ND 58502 EVOLUTION HYDROTESTING LLC 3702 HW 58 Fairview MT 59221 Evolution Hydrotesting LLC 3734 162nd Ave NW Fairview MT 59221-9479 Evolution Management Inc 409 8th Ave E Williston ND 58801

Evonne Arnason Bray Marguerite Bray Murchison, Poa Address Redacted Ewelina Kosik Address Redacted Ewing Halsell Foundation Texas Nonprofit Corporation Address Redacted Ewoniuk, Eric Address Redacted Exceed Oilfield Equipment Inc 8300 Cypress Creek Pkwy Ste 400 Houston TX 77070 Excel Site Rentals LLC PO Box 1088 Kalkaska MI 49646 Excel4Business Inc 8 Orchard St Auburn NY 13021 C/O THE CORPORATION TRUST EXCHANGE OIL & GAS CORPORATION COMPANY CORPORATION TRUST CENTER 1209 ORANGE ST. Wilmington DE 19801 Exclaimer Ltd 445 Park Avenue, 9th Floor New York NY 10022 C/O CORPORATION SERVICE EXCO RESOURCES, INC. COMPANY 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 Executive Land Services Inc PO Box 1640 Edmond OK 73083 EXECUTIVE LAND SERVICES INC PO BOX 1640 Edmond OK 73083 EXECUTIVE LAND SERVICES, INC PO BOX 1640 Edmond OK 73083 Executive Land Services, Inc. Charles W. Robinson III PO Box 1640 Edmond OK 73083 Exelor Oil And Gas Corporation 2204 Louisiana Second Floor Houston TX 77002 Exodus Pressure Control Inc P O Box 2053 Kalkaska MI 49646 Exok Inc 6410 - B North Santa Fe Oklahoma City OK 73116 Expedited Logistics & Freight Services Llc Po Box 62127 Houston TX 77205 Expedition Royalty Company LLC 3811 Turtle Creek Blvd Ste 800 Dallas TX 75219 Expedition Water Solutions LLC 2015 Clubhouse Dr Ste 201 Greeley CO 80634 Expertool LLC 1025 17th St Se Minot ND 58701 Exploration & Development Co Inc 2801 Nw Oklahoma City OK 73112 EXPLORATION & DEVELOPMENT CO INC 2801 NW 57TH STREET Oklahoma City OK 73112 Exploration & Development Co Inc 2801 Nw 57th Street Oklahoma City OK 73112 EXPLORATION & DEVELOPMENT CO., INC 2801 NW 57TH STREET Oklahoma City OK 73112 Exploration And Development Company Inc 2801 Nw 57th St Oklahoma City OK 73112 EXPLORATION GEOPHYSICS, INC. 310 W. WALL SUITE 700 Midland TX 79701 Explornation Energy Inc PO Box 131420 Spring TX 77393 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 192 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 195 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country EXPLORNATION ENERGY INC PO BOX 131420 Spring TX 77393 Exterran Energy Solutions Lp PO Box 205805 Dallas TX 75320-5805 EXTERRAN ENERGY SOLUTIONS LP / ARCHROCK PO BOX 205805 Dallas TX 75320-5805 EXTERRAN ENERGY SOLUTIONS-1097 PO BOX 205805 Dallas TX 75320-5805 Extreme Energy Services LLC PO Box 1468 Broussard LA 70518 Extreme Pump Solutions LLC PO Box 2193 Gillette WY 82717 Extreme Underground Hdd LLC PO Box 1406 Dickinson ND 58602 Exxon Mobil Corporation C/O Xto Energy Inc Agent PO Box 840780 Dallas TX 75284-0780 C/O CORPORATION SERVICE EXXON MOBIL CORPORATION COMPANY 320 SOMERULOS ST. Baton Rouge LA 70802 EXXON MOBIL CORPORATION P O BOX 951027 Dallas TX 75395-1027 Exxon Mobil Corporation C/O Xto Energy Inc PO Box 840780 Dallas TX 75284-0780 Exxon Mobil Corporation C/O Xto Energy Inc Agent PO Box 840780 Dallas TX 75284-0780 Exxonmobil Corp C/O Xto Energy Inc PO Box 840780 Dallas TX 75284-0780 C/O Xto Energy Inc, Attn:Obo-Jib Exxonmobil Corporation (Bgk-2) 810 Houston St Fort Worth TX 76102-6298 EXXONMOBIL EXPLORATION COMPANY 233 BENMAR DRIVE Houston TX 77060 EXXONMOBIL PIPELINE COMPANY 79 OLD COUNTRY RD Westbury NY 11590 Ez Trading LLC 6730 N Scottsdale Rd Ste 270 Scottsdale AZ 85253 EZ TRADING LLC 6730 N SCOTTSDALE RD STE 270 Scottsdale AZ 85253 Ezell Family Trust Dorothy C Ezell Trustee Address Redacted F & D Oilfield Maintenance Inc PO Box 88 Baker MT 59313 F Arnold Shaw Address Redacted F B Simpson Address Redacted F Bennett Jendro Land & Royalty Trust Dtd 9-23-2005 F Bennett Jendro, Trustee Address Redacted F C Grigsby Address Redacted F Douglas Tuffley Address Redacted F L Dunn Iii Investments LLC 1700 Sw Blvd Tulsa OK 74107 F L DUNN III INVESTMENTS LLC 1700 SW BLVD Tulsa OK 74107 F L Spicer Address Redacted F N Solliday Address Redacted F O Griffin Address Redacted F Peter Bergman Address Redacted F S Crane Address Redacted F S Fries Address Redacted F Thomas Ellingson Address Redacted F W & Donna M Maercklein Address Redacted F W Maercklein Address Redacted F&D Barta Grandchildren Trust Peggy Kalich Trustee Address Redacted F.O. GRIFFIN Address Redacted Faber, Laurie Address Redacted Fabo Ii LLC PO Box 14046 Jackson MS 39236-4046 Fabry, Britiny Address Redacted Fabsco Shell & Tube LLC PO Box 988 Sapulpa OK 74066 Faiman Farms LP 2839 118th Ave Sw Dickinson ND 58601 Faiman Grandchildren Minl Trst Connie Steffan & Gladys Faiman Trustees Address Redacted Faiman Mineral Trust Connie Steffan, Trustee Address Redacted Fair Harbor Capital, LLC Ansonia Finance Station PO Box 237037 New York NY 10023 Fairchild Windham Expl Co PO Box 15909 Hattiesburg MS 39404-5909 FAIRCHILD WINDHAM EXPL CO PO BOX 15909 Hattiesburg MS 39404-5909 Fairview Ag Processing Inc PO Box 907 Laurel MT 59044 Fairview School District Numbers 3 & 13 Jacklyn Young- Business Mgr PO Box 467 Fairview MT 59221 Fairview Senior Citizens Housing Inc PO Box 88 Fairview MT 59221 Fairway Asset Management LLC C/O Bwab Incorporation C/O William G Mills II Poa 100 Saint Paul St Ste 305 Denver CO 80206-5136 Fairway Exploration LLC C/O Steven Swanson 602 S Casey Key Rd Nokomis FL 34275 Fairway Oil & Gas Company P O Box 845 Sparta NJ 7871 Fairway Resources Inc 100 Saint Paul St Ste 305 Denver CO 80206 Fairy Cogswell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 193 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 196 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Fairy D Bosley Life Estate Address Redacted Faith Bible Chapel 12189 W 64th Avenue Arvada CO 80004 Faith Church Dba Marilyn Hickey Ministries 6825 S Galena St Centennial CO 80112 Faith Kalberg Address Redacted Faith Oil Company Lp PO Box 2213 Abilene TX 79604 Faith Tabernacle Address Redacted Faith United Methodist Church Of Williston Inc 219 1st Ave W Williston ND 58801 Faith, Derek Address Redacted Fajardo, Jennifer Address Redacted Falcon Petroleum LLC 6450 E Prentice Pl Greenwood Village CO 80111 Falcon Technologies & Services Inc Po Box 734260 Dallas TX 75373-4260 Falconer E Campbell C/O Frank Campbell 117 So Los Robles Pasadena CA 91101 Falconers 5 Oil LLC 2029 Flowerree St Helena MT 59601 Falkenhagen Properties LP 407 Shreveport Way Vancouver WA 98664 Fall River Resources Inc PO Box 13456 Denver CO 80201-3456 Fallon Rebekah Sims Address Redacted Falon Laroche Address Redacted Falvey, Martin Address Redacted Family Dental Center Inc 401K 1713 Kingsbury Lane Nichols Hills OK 73116 Family Star Montessori Address Redacted Family Tree Corporation PO Box 260498 Lakewood CO 80226 Family Tree Corporation PO Box 280235 Lakewood CO 80228 Family Trust Created Under The Kenneth E Redetzke Rev Tr Address Redacted Family Trust Under The Norman Chudacoff Trust Dtd 36061 Roberta C Keeshin, Trustee Address Redacted Fanelli, Christopher Address Redacted Far Away Friends Inc 1968 S Van Gordon St Lakewood CO 80228 Far West Capital For Bh Inc Dba Bhi Po Box 30317 Austin TX 78755 Fara Chu Address Redacted Farden Construction 9035 County Rd 17B Maxbass ND 58760-9785 Fargo Glass And Paint Co PO Box 1287 Minot ND 58702 Fargo LLC 5741 Nw 132nd St Oklahoma City OK 73142 Farm Rescue PO Box 28 Horace ND 58047 Farmers Elevator Co Of Arthur PO Box 145 Arthur ND 58006 Farmers Royalty Company 3829 North Classen Blvd. Suite 101 Oklahoma City OK 73118 Farmers Union Lumber Co PO Box 1081 Stanley ND 58784 Farmers Union Oil Co Of Beach PO Box 219 Beach ND 58621 Farmers Union Oil Company 501 6th Ave Se Watford City ND 58854 Farmers Union Oil Of Wildrose PO Box 561 Wildrose ND 58795 Faron & Laureen Barnhart Family Mineral Trust - Faron & Laureen Barnhart - Co-Trustees Address Redacted Farquhar, Jeremy Address Redacted Farrah S Waldren Address Redacted Farrah Triplett Address Redacted Farrel J Salsbury Jr Address Redacted Farrell Wellness Venture LLC 1310 33rd Street Ne Arvilla ND 58214 FARRELL WELLNESS VENTURE LLC 1310 33RD STREET NE Arvilla ND 58214 Farstad Oil Inc Ne 7948 Po Box 1450 Minneapolis MN 55485-7948 Farwest Corrosion Control Co 12029 Regentview Ave Downey CA 90241-5517 Fasken Foundation PO Box 2024 Midland TX 79702-2024 Fasken Oil & Gas Distribution Wellsfargo Ogm Operations Au 10291 PO Box 41779 Austin TX 78704 Fasken Oil And Ranch Ltd 6101 Holiday Hill Road Midland TX 79707 Fastenal Company PO Box 978 Winona MN 55987-0978 FASTENAL COMPANY-4798 PO BOX 978 Winona MN 55987-0978 FASTSPRING 801 GARDEN STREET Santa Barbara CA 93101 Fauchald Revocable Trust Philip Fauchald Trustee Marilyn Fauchald Trustee Address Redacted Faudree Q Account Ltd PO Box 3691 Midland TX 79702-3691 Faulkner, Wesley Address Redacted Fay Ann & Burdett John Dennis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 194 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 197 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Fay Louise Hanson Address Redacted Fay Musselwhite Address Redacted Faye Ann And John R Guman Address Redacted Faye Calhoun Cochran Woolf Address Redacted Faye E Long Address Redacted Faye I Clay Address Redacted Faye Kindel Address Redacted Faye L & Robert S Whitney Address Redacted Faye Mooney Kruckenberg Address Redacted Faye N Brownlee Address Redacted Faye Powers Address Redacted Faye R Platt Address Redacted Faye Turnquist Gudmunsen Address Redacted Faye Whitney Address Redacted Fayette N Solliday Estate Cynthia S Wood - Pr Address Redacted FBO Keith C. Martin, Greg Awaller, TTEE; Allen Dupre, TTEE; Benjamin Griggs, TTEE Address Redacted Fbo Rocky Mountain Expl Inc Citizens Bank Kenneth R Plunk, Trustee Address Redacted Fcx Performance Inc PO Box 712470 Cincinnati OH 45271-2470 Fdec Inc PO Box 782170 Wichita KS 67278 Feather River 75 LLC 5910 North Central Expressway Suite 1662 Dallas TX 75206 5910 NORTH CENTRAL FEATHER RIVER 75 LLC EXPRESSWAY SUITE 1662 Dallas TX 75206 c/o Childers, Hewett, Myers & Slagle, 8150 North Central Feather River 75 LLC PLLC Attn: John Reese Childers Expressway, 10th Fl Dallas TX 75206 Feb Resources LLC 1234 18 1/2 Street N Moorhead MN 56560 Federal Communications Commission Attn: Marlene H. Dortch, Secretary Office of the Secratary 445 12th Street SW Washington DC 20554 OFFICE OF THE SECRATARY, FEDERAL COMMUNICATIONS COMMISSION-8388 445 12TH STREET SW Washington DC 20554 OFFICE OF THE SECRATARY, 445 FEDERAL COMMUNICATIONS COMMISSION-8388 12TH STREET SW Washington DC 20554 Federal Express PO Box 94515 Palatine IL 60094-4515 Federal Insurance Company c/o Chubb Attn: Adrienne M. Logan 436 Walnut Street WA04K Philadelphia PA 19106

Federal Insurance Company (Chubb) Chubb Group Of Insurance Companies 202B Hall'S Mill Road Whitehouse Station NJ 08889 Fedex PO Box 660481 Dallas TX 75266-0481 FedEx Corporate Services Inc. as Assignee of FedEx Express/Ground/Freight/Office 3965 Airways Blvd. Module G 3rd Floor Memphis TN 38116-5017 Fedora Family Mineral Trust Evelyn Kadrmas, Succ Trustee Address Redacted Fedyk, Roman Address Redacted Fei Company 5350 Ne Dawson Creek Drive Hillsboro OR 97124 Fei Company 9066 Paysphere Circle Chicago IL 60674 Fei Inc 913 14th St Sw Valley City ND 58072 FEI, Inc. Christy Fliflet 913 14th St SW Valley City ND 58072 Feil Living Trust Dtd 11/12/91 Kj Feil & Marie A Feil Trustees Or Successors Address Redacted FELECIE DRESSLER Address Redacted Fellows Of Univ Of Nd Inc Claire Herland C/O Alerus Financial PO Box 6001 Grand Forks ND 58206 Fender Expl & Prod Co LP PO Box 8720 Tyler TX 75711-8720 Fender Exploration Production PO Box 8720 Tyler TX 75711-8720 FENDER EXPLORATION PRODUCTION PO BOX 8720 Tyler TX 75711-8720 Fenstermaker, Christopher Address Redacted Ferguson Enterprises Inc 12500 Jefferson Ave Newport News VA 23602 Ferguson Enterprises LLC PO Box 802817 Chicago IL 60680-2817 Fern A Olson Address Redacted Fern B Gebert Address Redacted Fern B Hanson Address Redacted Fern C Haugen LLLP 2125 33rd St Ne Arvilla ND 58214 Fern Colebank Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 195 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 198 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Fern E Miller Address Redacted Fern Hanson And Evelyn Noftsker Jtwros Address Redacted FERN IMME Address Redacted Fern L & Raymond H Colebank Life Estate Address Redacted Fernando A Salinas Trust Address Redacted Ferne Imme Address Redacted Ferrari Energy LLC 999 18th St Ste 1650 S Denver CO 80202 FERRELLGAS PARTNERS L.P. ATTN: RICK FRAWLEY ONE LIBERTY PLAZA Liberty MO 64068 Fesco Ltd 1000 Fesco Ave Alice TX 78332 Fesco Ltd 1000 Fesco Avenue Alice TX 78332-7318 Fevold, Bryan Address Redacted Fevold, Jonathan Address Redacted Ffm Trust Dtd 6/22/12 Robert E Falstad Ttee Address Redacted Fiberspar Corporation PO Box 204222 Dallas TX 75320-4222 Fidelity Clearing Canada Ulc/CDS** Attn: Corporate Actions 245 Summer Street Mailzone V5a Boston MA 02210 Fidelity Clearing Canada Ulc/CDS** Attn: John Spurway 245 Summer Street Mailzone V5a Boston MA 02210 483 BAY STREET, SOUTH FIDELITY CLEARING CANADA ULC/CDS** CAROL ANDERSON OPERATIONS MANAGER TOWER SUITE 200 Toronto ON M5G 2N7 Canada 483 Bay Street, South Fidelity Clearing Canada Ulc/CDS** Corp Action Carol Anderson Tower Suite 200 Toronto ON M5g 2n7 Canada Fidelity Clearing Canada Ulc/CDS** Linda Sargeant Operations Manager 401 Bay Street Suite 2910 Toronto ON M5h 2y4 Canada Fidelity Expl & Prod Co Attn Becky Heley Po Box 5650 Bismarck ND 58506-5650 FIDELITY EXPLORATION AND PRODUCTION CO 1700 LINCOLN ST, SUITE 2800 Denver CO 80203 FIDELITY EXPLORATION AND PRODUCTION COMPANY 1625 BROADWAY STE 900 Denver CO 80202 Fidelity Rollover IRA Acct #233050573 Attn: Direct Rollover P.O. Box 770001 Cincinnati OH 45277-0037 Fidelity Venture Capital Ltd 1800 Norwood Ste 104 Hurst TX 76054 FIDUCIARY SSB CORPORATE ACTIONS 1776 Heritage Drive 5TH FLOOR Quincy MA 02171 FIDUCIARY SSB STEPHEN M. MORAN 225 FRANKLIN STREET MAO-3 Boston MA 02110 Fiducie Desjardins Inc.** Martine Sioui 1 Complexe Desjardins South Tower 2nd Fl Montreal QC H5b 1e4 Canada Field Tech Services Inc 3860 County Rd 491 Lewiston MI 49756 Fieldwood Sd Offshore LLC 2000 W Sam Houston Pkwy S Ste 1200 Houston TX 77042-1246 Fiero Automation PO Box 913228 Denver CO 80291-3228 ATTN: CAPITAL MARKETS TRADE OPERATIONS - FIFTH THIRD BANK 38 FOUNTAIN SQUARE PLAZA MD10903C Cincinnati OH 45202 Attn: Capital Markets Trade Operations Fifth Third Bank - MD10903C 38 Fountain Square Plaza Cincinnati OH 45202 Fifth Third Bank Attn: Legal Department - MD10AT76 38 Fountain Square Plaza Cincinnati OH 45202 Fifth Third Bank Lance Wells Corp Actions 5001 Kingsley Drive Mail Drop 1mob2d Cincinnati OH 45227 Fifth Third Bank Lance Wells Corp Actions 5050 Kingsley Drive Mail Drop 1mob2d Cincinnati OH 45227 Fifth Third Bank Lance Wells Manager 5001 Kingsley Drive Mail Drop 1mob2d Cincinnati OH 45227 Lance Wells - Assistant Vice Fifth Third Bank Public Employees Retirement System President 5001 Kingsley Drive Mail Drop 1m0b2g Cincinnati OH 45263 FIFTH THIRD BANK, NATIONAL ASSOCIATION Legal Department 515 North Flagler Drive Suite 703 West Palm Beach FL 33401 Fifth Third Bank/Public Employees Re Lance Wells Assistant Vice President 5001 Kingsley Drive Mail Drop 1m0b2g Cincinnati OH 45263 Fifty-Fifty Partners LLP 3013 Bears Den Drive Sedalia CO 80135 FIG 2013 DRILLING AND 7290 VIRGINIA PKWY STE 3200 Mckinney TX 75071 Fig 2013 Drilling And Acquisition Fund Gp 7290 Virginia Pkwy Ste 3200 Mckinney TX 75071 Filco Inc 126 Lakeview Dr Watford City ND 58854 Filice, Jeffrey Address Redacted Filtration Systems Of Mississippi Po Box 2263 Laurel MS 39442 Financial Accounting Standards Board 401 Merritt 7 Norwalk CT 06856-5116 Financial Accounting Standards Board PO Box 418272 Boston MA 022241-8272 Financial Acct Standards Board PO Box 418272 Boston MA 02241-8272 Finch, Jason Address Redacted Finkelstein Partners Ltd 1407 Fannin Street Houston TX 77002 Finley Co PO Box 2086 Austin TX 78768 Finneseth, Robin Address Redacted Finwing Corp Retirement Trust PO Box 10886 Midland TX 79702 Fiona Carnazza Stokes 7703 Southwestern Blvd Dallas TX 75225 Fiore, Jerome Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 196 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 199 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Firefly Resources LLC 2820 West 24th Ave Denver CO 80211 Firm Ground LLC 9275 W 8th Ave Lakewood CO 80215 First Central Presbyterian Church Of Abilene 400 Orange Street Abilene TX 79601 First Church Of Christ Scientist Agency Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 First Clearing LLC,- FBO Larry J.Edgel IRA Reorganization Dept. P.O. Box 5268 Sioux Falls SD 57117-5268 First Clearing, LLC Corporate Actions 2801 Market Street H0006-09b St. Louis MO 63103 First Clearing, LLC- FBO Kathy A. Edgel Reorganization Dept. P.O. Box 5268 Sioux Falls SD 57117-5268 First District Health Unit PO Box 1268 Minot ND 58702-1268 First Int'L Bank & Trust A/C Gary L Warnke Dba Warco Oil Co PO Box 1088 Williston ND 58802-1088 First Int'L Bank & Trust Ttee Kenneth & Joan Uran Family Tr Address Redacted

First National Bank & Trust Co Of Wililston Ttee J.H. And Address Redacted First National Bank & Trust Co Of Williston Agent For Inga C Dickson Trust Address Redacted First National Bank & Trust Co, Ttee Clarence R Johnsrud Bypass Tr Address Redacted First National Bank In Grand Forks 322 Demers Avenue Grand Forks ND 58201

First National Bank Of West Tx Trustee Or Its Successor Address Redacted First Presbyterian Church Of San Marcos 410 W Hutchison St San Marcos TX 78666 First Rock I LLC 710 Buffalo Ste 402 Corpus Christi TX 78401 First Roswell Company Ltd PO Box 1797 Roswell NM 88202-1797 First Trust Company Of North Dakota The Merchant Of Fargo, & J Norman Ellison Jr. National Bank & Trust Co Trustee Fargo ND 58103 First Western Bank & Trust Trustee Of D T Mccarthy Trust U/A/D December 24, 2014 PO Box 1090 Minot ND 58702-1090 Fish, Andrew Address Redacted Fisher, Lyndsey Address Redacted Fishing For Life 3015 13Th Ave S Minneapolis MN 55407 Fisk, Thomas Address Redacted Fitch Ratings Inc PO Box 90046 Prescott AZ 86304-9046 Fitzgerald, Jennifer Address Redacted Fitzgibbons Family Trust Michael A & Lynn S Fitzgibbons - Trustees Address Redacted Five Feathers Energy LLC PO Box 702676 Tulsa OK 74170-2676 Five Kids Minerals LLC 7326 W Cheyenne Ave Ste 120 Las Vegas NV 89129 Five Star Royalty Partners Ltd PO Box 22084 Denver CO 80222 Fix, Ronald Address Redacted Fjeldahl, Scott Address Redacted Fk Cahoon Partners LLC PO Box 50206 Austin TX 78763 Flanagan Revocable Trust Dtd 12/14/2000 Address Redacted Flare Industries LLC 16310 Bratton Lane Bldg 3 Ste 350 Austin TX 78728 Flare Industries LLC Accounts Receivable 16310 Bratton Lane Bldg 3, Suite 350 Austin TX 78728 Flash Data LLC 2450 Louisiana St Ste 400-160 Houston TX 77006 Flat Gathers LLC PO Box 40064 Denver CO 80204 Flat Rock Gas LLC 1104 Country Hills Dr, St 500 Ogden UT 84403-2492 Flatirons Community Church 400 W South Boulder Rd Suite 1700 Lafayette CO 80026 Flatirons Resources LLC 10385 Westmoor Dr Ste 225 Westminster CO 80021 FLATIRONS RESOURCES LLC 10385 WESTMOOR DR STE 225 Westminster CO 80021 FLATIRONS RESOURCES LLC ATTN: JOHN CHANDLER 11808 CIRCLE POINT ROAD SUITE 180 Westminster CO 80020 Flatland Ag Holdings Lllp 4391 115th Ave Nw Watford City ND 58854 FLATLAND AG HOLDINGS LLLP 4391 115TH AVE NW Watford City ND 58854 Flatland Freshwater Depot LLC 4391 115th Ave Nw Watford City ND 58854 Flatland Mineral Fund LP 4925 Greenville Ave Ste 1100 Dallas TX 75206 Flatland Ranch Mineral LLC Roger J Flatland, Pres 4391 115th Ave Nw Watford City ND 58854 Flatland Sidecar LLC 4925 Greenville Ave Ste 1100 Dallas TX 75206 Flatlands 24-9-1Xh Unknown Owners Address Redacted Flatlands 24-9-2Xh Unknown Owners Address Redacted Flavia Ann Leary Jackson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 197 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 200 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Flc Holding LLC PO Box 486 Natchez MS 39121 Fleischaker Mineral Co LLC 100 N Broadway Ste 2460 Oklahoma City OK 73102 Fletcher Properties LP 530 East Academy Street PO Box 77 Canton MS 39046 FLETCHER PROPERTIES LP 530 EAST ACADEMY STREET PO BOX 77 Canton MS 39046 Flex Flow Services LLC Dept 490 Po Box 4346 Houston TX 77210-4346 FLEX FLOW SERVICES LLC (CONTRACT WITH GR LIFT LP (GR ENERGY SERVICES)) DEPT 490 PO BOX 4346 Houston TX 77210-4346 Flexsteel Pipeline Technolo- Gies Inc Po Box 732853 Dallas TX 75373-2853 Flexsteel Usa LLC PO Box 732853 Dallas TX 75373-2853 FlexSteel USA, LLC Address Redacted Flight Of The Falcons Stp Treasurer Dsst: Byers 150 S Pearl St Denver CO 80209 FLINT HILLS RESOURCES, LP P.O. BOX 2917 Wichita KS 67201-2917 Flint M Bibler Address Redacted Flir Commercial Systems Inc Lockbox 11115 Boston MA 02211 Floberg-Reitsch LLC 7307 Weeping Willow Sarasota FL 34241 Flogistix Lp PO Box 731389 Dallas TX 75373 FLOGISTIX LP-4192 PO BOX 731389 Dallas TX 75373 FLOGISTIX LP-6219 PO BOX 731389 Dallas TX 75373 Flora M Terry Address Redacted Florence Arlene Williams Address Redacted Florence B Boelow Roger Kessel Poa Address Redacted Florence Berger Address Redacted Florence Carolyn Achterberg Address Redacted Florence E Sandstrom Address Redacted Florence Erickson Address Redacted Florence Geerts Est Min Tst 1St Natl Bank&Trust Co Trustee Address Redacted Florence J A Payne Address Redacted Florence J Barnard Address Redacted Florence J Durbahn Address Redacted Florence Klein Irrevoc Trust U/T Klein Family Tr 10-1- 1971 Comerica Bank, Trustee Address Redacted Florence Ledoux Address Redacted Florence M Jas Address Redacted Florence Marie Hall Trust Address Redacted Florence Marie Hall Trust Acct #300220300636 Address Redacted Florence Obrigewitsch Address Redacted Florence V Johnson Address Redacted Florence Weyer Address Redacted Florencia Exploration Inc PO Box 1817 San Antonio TX 78296-1817 Florene J Allen Address Redacted Flores, Michelle Address Redacted Financial Services Bureau Of Florida Department Of Unclaimed Property Po Box 6350 Tallahassee FL 32314-6350 Flossie A Kaldahl Address Redacted Flossie Smith Address Redacted Flow Measurement & Controls 1004 Lake Harris Circle White Oak TX 75693 Flow-Cal Inc Address Redacted FLOW-CAL, INC. (OWNED BY QUORUM BUSINESS SOLUTIONS) PO BOX 58965 Houston TX 77258-8965 Flowco Production Solutions Dept 229 Po Box 4458 Houston TX 77210-4458 Flowcore Systems 4401 16th Ave W Suite B Williston ND 58801 FLOWCORE SYSTEMS 4401 16TH AVE W STE B Williston ND 58801 FLOWCORE SYSTEMS 4401 16TH AVE W STE B Williston ND 58801 Floyd & Antonette Labrant L/E PO Box 596 Corvallis MT 59828-0596 Floyd & Donna M Fries Address Redacted Floyd Allen Calvert Ttee And Horace K Calvert Ttee Of Trt Address Redacted Floyd Brehm Address Redacted Floyd C & Linda Sullivan Life Estate Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 198 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 201 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Floyd C Dodson Jr Trst 1St Financial Tr & Asset Mgmt Acct #5022003 Address Redacted Floyd C Dodson Keeble Trst 502 1St Financial Tr & Asset Mgmt Address Redacted Floyd C Hamilton Address Redacted Floyd Energy Ltd Address Redacted Floyd F Blankenship Jr Address Redacted Floyd F Schuhrke & Timothy Schuhrke Address Redacted Floyd J Rogalski Jr Address Redacted Floyd Labrant Address Redacted Floyd Nesseth - Deceased C/O Paul Nesseth Address Redacted Floyd Ryder Jr And Lydia Garcia Ryder Address Redacted Floyd Sullivan Life Estate Address Redacted Floyd Syverson Minerals LLC 2251 127th Avenue Nw Watford City ND 58854 Floyd Usselman And Katherine Usselman Jtwros Address Redacted Flusek, William Address Redacted Flying Wolf Enterprises Inc 21174 South Sylvan Drive Mundelein IL 60060-9518 Flynn Ludwig-Meiers 4262 W Grace St Chicago IL 60641 Flynt Chancellor PO Box 1821 Midland TX 79702 Fmc Technologies Measurement Solutions Inc 1602 Wagner Ave Po Box 10428 Erie PA 16514-0428 Fmc Technologies Surface Integrated Services Inc Po Box 844356 Dallas TX 75284-4356 Fmh Foundation C/O Bank Of America Na PO Box 840738 Dallas TX 75284-0738 Fmh Foundation C/O Bank Of America Na PO Box 840738 Dallas TX 75284-0738 Fmr LLC 245 Summer Street Boston MA 02210 FMT Co CUST IRA fbo Edward L Seibert Jr Address Redacted FMT Co Cust IRA fbo Edward L. Seibert Jr. Address Redacted Attn: IRA Return of Capital Chapter FMT Co Cust IRA fbo Edward L. Seibert Jr. c/o 11 Debt to Equity PO Box 770001 Cincinnati OH 45277 Fnr-Kncog Ltd C/O First State Bank Acct #9033531 2100 East Main Street Uvalde TX 78801-5638 Foley & Lardner Attn: John K. Wilson 777 East Wisconsin Avenue Milwaukee WI 53202-5306 Folio Investments Inc Attn: Proxy Department Po Box 10544 Mclean VA 22102-8544 Folio Investments, Inc. Ashley Theobald Manager 8180 Greensboro Drive 8th Floor Mclean VA 22102 Foliofn Investments, Inc. Ashley Theobald Manager 8180 Greensboro Drive 8th Floor Mclean VA 22102 Folkedahl Family Trust Forrest & Andrea P Folkedahl Address Redacted Follman Consulting 6675 Willow Rd N Towner ND 58788 Folmer, Paul Address Redacted Foltz Family Trust Address Redacted Food Bank For Larimer County 1301 Blue Spruce Drive Fort Collins CO 80524 Food Bank Of The Rockies 10700 East 45th Avenue Denver CO 80239 Food For Thought Denver 3559 W 44th Ave Denver CO 80211 Foothill Royalties LP 201 W 5th St Ste 1350 Austin TX 78701 Foothills Gateway 301 W Skyway Dr Fort Collins CO 80525 Ford Group Four Frank A Ford Trustee Address Redacted Ford M Boulware Head Of The River Rance Edith A Boulware Agent & Aif Address Redacted Forest Lambert 50 CRANDON BLVD Cheektowaga NY 14225 Forest Service - Usda 1901 South Main Street Watford City ND 58854-6705 Forestwood Holdings Northwest Forestwood Holdings Northwest & Jared Anderson - Special Tr Address Redacted Forgan Lodge 100F #614 Forgan OK 73938 Forrest Bowers Address Redacted Forrest Folkedahl Address Redacted Forrest Grant Address Redacted Forrest Moodie Address Redacted Forrest W Chase & Vera B Chase Address Redacted Forrest W Page Address Redacted Forster, John Address Redacted Fort Belknap Electric Coop Inc 1302 W Main St Olney TX 76374-0486 Fort Belknap Electric Coop Inc Po Box 486 Olney TX 76374-0486 Fort Berthold Agency Dept C127 Po Box 979121 St Louis MO 63197-9000 Fort Morgan Culligan 300 W Railroad Ave Fort Morgan CO 80701 Fort Union Lodge 128 A F & A M P O Box 124 Watford City ND 58854 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 199 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 202 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Fort Union Lodge No 128 Af And Am C/O First Intl Bank & Trust Address Redacted Fort Worth Royalty Co 1315 West 10th Street Fort Worth TX 76102-3437 Fortin Enterprises Inc PO Box 3129 Palm Beach FL 33480 FORTIN ENTERPRISES INC PO BOX 3129 Palm Beach FL 33480 FORTINET 899 KIFER ROAD Sunnyvale CA 94086 Fortis Law Partners LLC 1900 Wazee St Ste 300 Denver CO 80202 Fortis Minerals II LLC 1111 Bagby St Ste 2150 Houston TX 77002 Fortis Sooner Trend LLC 1111 Bagby St Ste 2150 Houston TX 77002 Fortrust LLC 4300 Brighton Blvd Denver CO 80216 Fortuna LLC 4848 Hwy 85 110 Williston ND 58801 Fortune Natural Resources Corp 16400 Dallas Parkway Knoll Trail Plaza,Suite 100 Dallas TX 75248 Forum Communications Company PO Box 2020 Fargo ND 58107-2020 Forum Production Equipment PO Box 203325 Dallas TX 75320-3325 Forum Us Inc 920 Memorial City Way Ste 1000 Houston TX 77024 Forum US Inc. PO Box 203325 Dallas TX 75320-3325 Forum US Inc. Ross Woytasczyk 10344 Sam Houston Park Drive Houston TX 77064 Foster Family Rev Liv Tst Dtd 11/6/09 Terry K Foster & Donna M Foster Tstees Address Redacted Foster Family Trust Dianne L Holland Trustee Address Redacted 9200 INDIAN CREEK FOULSTON SIEFKIN LLP 9 CORPORATE WOODS SUITE 450 PARKWAY Overland Park KS 66210-2017 FOUNDATION ENERGY MANAGEMENT, LLC 16000 NORTH DALLAS PARKWAY SUITE 875 Dallas TX 75248 Foundation Energy Fund Ii LLC Dept D8041 PO Box 650002 Dallas TX 75265-0002 Foundation Energy Management Llc Dept D8041 Dallas TX 75265-0002 Foundation Energy Management LLC Dept D8041 P O Box 650002 Dallas TX 75265-0002 Foundation Energy Management, LLC Jeff Dix 5057 Keller Springs Rd Suite 650 Addison TX 75001

Foundation For Community Care Of Richland County Inc 221 2nd Street Nw Sidney MT 59270 Foundation For Glacier And Environmental Research Annie Boucher C/O Jirp Juneau AK 99803 Foundation For Life Enrichment PO Box 628 Stanley ND 58784 Four Bs LLP 6934 75th Street Se Kulm ND 58456 Four Corners Cafe Address Redacted Four Corners Petroleum II LLC 390 Union Blvd Ste 630 Lakewood CO 80228 FOUR CORNERS PETROLEUM II, LLC 390 UNION BLVD. SUITE 630 Lakewood CO 80228 Four D Bar Investments LLC 5030 89th Ave Nw Ross ND 58776 Four G Oil Properties LLC PO Box 1450 Casper WY 82602-1450 Four States Gasket & Rubber Inc 475 E Cedar Farmington NM 87401 Fox Family Trust c/o Etrade.com Attn: James T Fox, Trustee 4535 Sugarhill Drive Rolling Hills Est. CA 90274 Fox Field Services LLC PO Box 51829 Casper WY 82605-1829 Fox Living Trust Dtd 09-25-01 Gordon M & Dorothy E Fox Ttees Address Redacted Fox Rothschild LLP Accts Receivable 2000 Market St, 20th Floor Philadelphia PA 19103-3222 Fox, Jamison Address Redacted Foxco Energy 1986 Ltd PO Box 2107 Darien CT 6820 FOZ ENTERPRISES TRUST FRANK C OZAK TTEE 2531 SAWTELLE BLVD Los Angeles CA 90004 Foz Enterprises Trust Frank C Ozak Ttee 2531 Sawtelle Blvd Los Angeles CA 90004 Fracture Id Inc 216 16th St Ste 1500 Denver CO 80202 Fractured Assets LP 301 Main St Ste 7 Little Rock AR 72201 Frances A Hannifin Address Redacted Frances A Kohm-Thomas Address Redacted Frances A Nefsky Address Redacted Frances Arlene Mckee Address Redacted Frances Augare Address Redacted Frances B Bunn Trustee Frances B Bunn Revoc Lvg Trust Dtd May 18, 1982 Address Redacted Frances B Ridl For Life Address Redacted Frances Decker Address Redacted Frances E Lark Address Redacted Frances Elaine Pinar Address Redacted Frances Elizabeth Restelle Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 200 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 203 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Frances Fugere Adams Min Tr Frances Fugere Adams & Arlinda C Fugere Obrien Cottee Address Redacted Frances Furrh Restelle Trust Address Redacted Frances Howie Address Redacted Frances J Archibald Address Redacted Frances J Gawryluk Address Redacted Frances J Graalum Revocable Trust Frances J Graalum, Trustee C/O Address Redacted Frances J Shelstad Address Redacted Frances Lagerquist Address Redacted Frances Lemieux Address Redacted Frances Marie Hanshaw Address Redacted Frances Marie Percy Address Redacted

Frances Morell Revocable Trust Dated September 3 2008 Address Redacted Frances Morrell Revocable Tr Dtd 9-3-08 Frances Morrell - Trustee Address Redacted Frances Pashelk C/O Poa Tim Pashelk Address Redacted Frances Pesek Address Redacted Frances R Roeder Address Redacted Frances R Smith Address Redacted Frances Radecki Address Redacted Frances Royall Alexander Address Redacted Frances Royall Alexander Trtee Francess Royall Alexander Tr U/W/O Frances K Royall Address Redacted Frances Royall Alexander Trtee Francess Royall Alexander Tr U/W/O Tucker K Royall Address Redacted Frances Sharon Gist Address Redacted Frances Tarlton Farenthold Address Redacted Frances W Irwin Address Redacted Frances Whiteside Address Redacted Franchise Tax Board Bankruptcy Section MS A340 PO Box 2952 Sacaramento CA 95812-2952 Franchise Tax Board Chester L Hale - 563-23-8811 PO Box 942867 Sacramento CA 94267-0011 Franchise Tax Board For David Bobak - 564-19-3103 PO Box 942867 Sacramento CA 94267-0011 Franchise Tax Board Levy For William Knodt Address Redacted Franchise Tax Board State Of California Donald C Veronda - 553-56-9336 PO Box 2952 Sacramento CA 95812-2952 Franchise Tax Board State Of California For Stephen Langsdorf PO Box 942867 Sacramento CA 94267-0011 Francile C Strange Address Redacted Francine Obrigewitsch Address Redacted Francis A Gallela Address Redacted Francis A Hannifan Address Redacted Francis B Engle Address Redacted Francis Eugene Moseley Tr U/W/O Bernice B Giles Farmers National Co Agent Address Redacted Francis Frank Anderson Address Redacted Francis G Ereth Address Redacted Francis I Ward Address Redacted Francis J Rickl Address Redacted Francis M Froehlich & Elizabeth Ann Froehlich Address Redacted Francis Marie Paine Address Redacted Francis P Myers Address Redacted Francis P Owens Address Redacted Francis R Knudtson Address Redacted Francis Stephen Kelly Iv Katherine Kelly, Poa Address Redacted Francisca S Winston Trust James C Wyman Trustee Attn L Karls Address Redacted Francisco Ceballos Address Redacted Franco Nevada Texas LP Attn Jeffery D Jenkins 1745 Shea Center Dr Suite 400 Highlands Ranch CO 80129 Frandson Safety Inc P O Box 1848 Worland WY 82401

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 201 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 204 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Frank & Christa Gapp Trust Agreement Frank J E & Christa H Gapp Trustees Address Redacted Frank & Patty Steinbeck Mineral Trust Dtd 1-12-16 Frank & Patricia Steinbeck -Tr Address Redacted Frank & Stella Kordonowy Family Trust -Nita J Kordonowy And David L Kordonowy Trustee Address Redacted Frank A Steinbeck Address Redacted Frank A Grim And Jean M Grim Wife And Husband Joint Tenants Address Redacted Frank A King Address Redacted Frank A Radella Address Redacted Frank A Veronda Jr Address Redacted Frank And Virginia Spagmuele Joint Tenants Address Redacted Frank Andrew Fasken Trust Frank Andrew Fasken Suc Ttee Address Redacted Frank Armbrust Connie Obrien Poa Address Redacted Frank Billman Address Redacted Frank Binek Address Redacted Frank Brandenburg Estate C/O Margaret Y Ballenger Address Redacted Frank C Sabatini Address Redacted Frank C Sidles Address Redacted Frank C. Bolton, Jr. Address Redacted Frank D Barta Address Redacted Frank D Lindberg Address Redacted Frank D Odermann Address Redacted Frank David Elsik Address Redacted Frank DiMartino Address Redacted Frank Duchane Address Redacted Frank Edward Hawley Address Redacted Frank Evans Hawn Address Redacted Frank F Thompson Address Redacted Frank H & Elrose Migl Address Redacted Frank H Gower Family Trust Wells Fargo Bank, Na Trustee Address Redacted Frank H Gower Trust Wells Fargo Bank Na Trustee Ogm Mac 4931-038 Address Redacted Frank H Kozmon Address Redacted Frank Hutto Address Redacted Frank J Bavendick Address Redacted Frank J Buresh Address Redacted Frank J Erickson Address Redacted Frank J Schaff Jr & Paulette E Schaff Address Redacted Frank J Traynor Address Redacted Frank Jakubowsky C/O Tsunami Enterprises Address Redacted Frank James Waggoner Trustee Frank Waggoner Living Trust Dated 02/06/14 Address Redacted FRANK JEPPI BYPASS TRUST Address Redacted

Frank Jeppi By-Pass Trust Frank Jeppi Jr Nydia Goode & Rosina Dewar, Co-Trustees 501 South Chester Avenue Bakersfield CA 93304 Frank Jeppi By-Pass Trust Frank Jeppi Jr Nydia Goode & Rosina Dewar, Co-Trustees Address Redacted Frank Kell Cahoon Estate Paula Cahoon, Ind Exec Address Redacted Frank L & Constance H Clark Tr Frank & Constance Clark - Tr Address Redacted Frank L & Ramona L Meduna Joint Tenants Address Redacted Frank L Erickson Address Redacted Frank L Meduna Address Redacted Frank Landt Dennis Jr Address Redacted Frank Lucchese Address Redacted Frank M Gallivan Jr Address Redacted Frank Manuel Address Redacted Frank Meli Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 202 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 205 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Frank Morehouse Address Redacted Frank N Rang Address Redacted Frank P Henke Address Redacted Frank P Willis Iii Address Redacted Frank Prokop Address Redacted Frank R Jones Address Redacted Frank R Zajic Irrevocable Tr Dated 12/28/12 Frank R Zajic Trustee Address Redacted Frank Schaff Address Redacted Frank Senz Address Redacted Frank Smith Address Redacted Frank Spagmolo And Virginia Spagmolo Address Redacted Frank Stephens Iii Address Redacted Frank Thomas Apicella Address Redacted Frankie Mork Address Redacted Frankie Y Vandehei Rev Tr Dtd 4/10/2008 Frankie Y Vandehei Trtee Address Redacted Franklin And Jane Pehrson Address Redacted Franklin D Pehrson Life Estate Address Redacted Franklin D Southern And Eunice Southern Jtwros Address Redacted Franklin Energy Ltd Liability 100 Saint Paul St Ste 305 Denver CO 80206 Franklin G Kessel Address Redacted Franklin Henneke Address Redacted Franklin J Bradshaw Family Trust Fbo Marilyn Reagan Address Redacted Franklin Salveson Address Redacted Franks International LLC 10260 Westheimer, Ste 600 Houston TX 77042 Franks Tanks & Trucking LLC PO Box 1094 Midland TX 79702 Franz Construction Inc For Patriot Coil Services Usa Po Box 1046 Sidney MT 59270 Franz Construction Inc P O Box 1046 Sidney MT 59270 Frase-Tucker Resources LLC PO Box 994486 Redding CA 96099 Frear Consulting Inc Dba Fci Consulting & Inspection Po Box 50245 Bellevue WA 98015-0245 Fred & Joann Lee Zehr Family LLC 3224 Tama St Se Cedar Rapids IA 52403 Fred A Dobbs Jr Address Redacted Fred A Washek Address Redacted Fred Arndt Family Mineral Tr Lorilee Bott & Jeannette Anderson Co-Trustees Address Redacted Fred B Anschutz Ranch LLC Address Redacted Fred Brinkman Address Redacted Fred C Goebel Jr And Beatrice H Goebel Address Redacted Fred C Jekel (Deceased) Address Redacted Fred C Krefting Address Redacted Fred C Rathert Family Mineral Trust Gretchen R Morse - Tr Address Redacted Fred C Vosper Address Redacted Fred E Tucker Family Partnersp Address Redacted Fred Elvin Baker Address Redacted Fred Gardner Address Redacted Fred H Wurden Address Redacted Fred J Boyce Jr Address Redacted Fred Johnson Address Redacted Fred L Engle Address Redacted Fred M Poole III Res Trust Sandra G Poole Trustee Address Redacted Fred O Fleener Address Redacted Fred Ortloff Address Redacted Fred P Bergman Family Trust Bradley C Bergman Trustee Address Redacted Fred Pate Address Redacted Fred Schmoker Address Redacted Fred Specktor Address Redacted Fred Valder & A Mayling Valder Address Redacted Fred W & Joyce Evans J/T Address Redacted Fred W Evans & Joyce Evans Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 203 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 206 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Fred W Roberts Address Redacted Fred W Roberts Samantha L Roberts - Aif Address Redacted Freda Thorson Ferguson Deceased Address Redacted Freddie L Daume Address Redacted FREDDIE WHEELER HURT MOORE Address Redacted Freddie Wheeler Hurt Moore Mary Johnson And Joseph Hurt Poa Address Redacted Frederick A House Address Redacted Frederick B Safford Address Redacted Frederick B Safford Family Tr Ann W Safford, Trustee Address Redacted Frederick B. Stewart & Christine Stewart/ Address Redacted Frederick D Patterson Address Redacted Frederick H Zeigler Lois C Zeigler-Glick Trustee Ulwa Testament Address Redacted Frederick J Herschbach Address Redacted Frederick J Polka (Deceased) Address Redacted Frederick Kanning Address Redacted Frederick Kit James Address Redacted Frederick L Callon Address Redacted Frederick L Dunn Iii Address Redacted Frederick L Schacher Address Redacted Frederick Lindsey Callon Estate Bennett M Jeansonne - Pr Address Redacted Frederick M Scott Iii Address Redacted Frederick M Stephens Address Redacted Frederick M Sundstrom Address Redacted Frederick R Cunliffe III Address Redacted Frederick Ries Hansen Address Redacted Frederick S Wright Address Redacted Frederick Sorenson Address Redacted Frederick W Mccoy Jr Rev Trust Frederick W Mccoy Jr Trustee Address Redacted Frederick Wight Address Redacted Frederick Zeier And Virginia Zeier Jt Address Redacted Fredericksburg Royalty Ltd Address Redacted Fredrica K Obrigewitch Address Redacted Fredrick B. Stewart Address Redacted Fredrick Bohlinger Address Redacted Fredrick C Allen Address Redacted Fredrick E&Coral Whisenand Rev Tst Fredrick & Coral Whisenand Trustees Address Redacted Fredrick F Holcomb Address Redacted Fredrick G Prahl & Karen Skjei Rev Liv Tr - Fredrick Prahl & Karen Skjei - Trustees Address Redacted Fredrick H. Egan Address Redacted Fredrick Layton Patten Jr Address Redacted Fredricka L Gilje Address Redacted Freebird Ii LLC 11 Conagra Dr Omaha NE 68102-5011 Freed Family Trust Jaime Aina Gray Trustee Address Redacted Freedom Church PO Box 35651 Phoenix AZ 85021 Freedom Service Dogs 7193 S Dillon Ct Englewood CO 80112 Freeflow Oil Services LLC 206 Manito Ave Oakland NJ 07436 Freeman Investments 3415 South Clayton Blvd Englewood CO 80113-7611 Freeman, Andrew Address Redacted FREEPOINT COMMODITIES LLC 1600 STOUT ST SUITE 1200 Denver CO 80202 Freeport Drilling LLC C/O Douglas C Laux 29 S Elm St Hinsdale IL 60521 FREEPORT MCMORAN OIL & GAS LLC ATTN: TREASURY 1615 POYDRAS ST New Orleans LA 70112 Freeport McMoRan Oil & Gas LLC c/o Jones Walker LLP Attn: ELizabeth J. Futrell 201 St. Charles Ave. 49th Floor New Orleans LA 70170 Freeport McMoRan Oil & Gas LLC Todd R Cantrall 11450 Compaq Center West Bldg 9 Suite 450 Houston TX 77070 Freeport Securities Company PO Box 56 Freeport IL 61032 C/O CORPORATION SERVICE FREEPORT SULPHUR COMPANY COMPANY 320 SOMERULOS ST. Baton Rouge LA 70802 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 204 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 207 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Freeport-McMoran Address Redacted C/O CORPORATION SERVICE FREEPORT-MCMORAN OIL & GAS L.L.C. COMPANY 320 SOMERULOS ST. Baton Rouge LA 70802 Freeport-Mcmoran Oil & Gas LLC Attn: Treasury 1615 Poydras St New Orleans LA 70112 French Land & Cattle Ltd PO Box 11327 Midland TX 79702 French Living Trust Joyce French Trustee Address Redacted French, Zachary Address Redacted Frick Family LLLP 11868 46th St Nw Watford City ND 58854 Frick, Darius Address Redacted Frieda M Boeke Address Redacted Friedman Family Trust Cornelia Friedman & Frost Natl Acct #Wa69201 (T-6 O&G) Address Redacted Friends Of Foothills Animal Shelter 580 Mcintyre St Golden CO 80401 Friends Of Raymer 25265 Rd T-5 Brush CO 80723 Friends Of Youth 13116 Ne 132nd Street Kirkland WA 98034-2306 Friendswood Friends Church Address Redacted Fritz & Anna M Binstock Family Mineral Trust Darlene Volesky & Bernard J Binstock, Trustee Address Redacted Fritz Family Mineral Trust Dtd 12-28-07 - Darlene Fritz - Trustee Address Redacted Fritz Family Mineral Trust Dtd 12-28-07 Darlene Fritz, Trustee Address Redacted Frodsham Family Revocable Living Trust Dtd 6-11-19 Kathryn J Frodsham - Tr Address Redacted Front Range Calvary PO Box 1718 Eastlake CO 80614 Frontier Business Solutions PO Box 1063 Lake Forest CA 92630 Frontier Communications Attn: Bankruptcy Dept 19 John St Middletown NY 10940 Frontier Communications Of Michigan Po Box 740407 Cincinnate OH 45274-0407 Frontier Controls Corporation 7388 S Revere Pkwy, Ste 707 Centennial CO 80112 Frontier Precision 2020 Frontier Dr Bismarck ND 58504 Frontline Consulting LLC 2900 41st Ave Greeley CO 80634 Frontline Consulting LLC Gaylord James 2900 41st Ave Greeley CO 80634 Frontline Consulting LLC. Attn: Gaylord Austin James 2900 41st Ave Greeley CO 80634 Frontrow Investments LLC 809 Bergwacht Place Coupeville WA 98239 Froseth Properties LLLP 1050 31st Ave Sw Ste A Minot ND 58701 Fross, Shane Address Redacted Frost Back Consulting 81 Krause Lane Kalspell MT 59901 Frost National Bank Agent For Aarco Oil & Gas Co Account Fc060 Mineral Asset Management, T-6 PO Box 1600 San Antonio TX 78296 Frost National Bank Trustee Account No Fb753 Mineral Asset Mgt Dept T-6 Address Redacted Fruitrevival LLC PO Box 5265 Denver CO 80217 Fuel Resources Development Company 1250 14Th St Drave Annex Denver CO 80202-2106

FUENTE DE CANTOS SA Attn: Luz De Jesus Aguirre de Serna Calle 15 # 35A 96 Barrio Castropol Medellin 050001 FUENTE DE CANTOS SA Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 FUGRO AIRBORNE SURVEYS DORP. 2060 WALKLEY ROAD Ottawa ON K1G 3P5 Canada Fuller, Jason Address Redacted Fultz Contracting LLC 31134 Stockyard Rd Bagley MN 56621 Fundacion GMHF C/0 F.U Address Redacted Furlong Oil & Mineral Co PO Box 2357 Bismarck ND 58502 Futura LLC 9302 S 83rd Ct Hickory Hills IL 60457 Futura, L.L.C. 3400 Welborn, Suite 107 Dallas TX 75219 Future Acquisition Company LLC PO Box 1129 Fulshear TX 77441 Fuzion Field Services LLC PO Box 200638 Evans CO 80620 Fuzion Field Services, LLC PO Box 200638 Evans CO 80620 5255 Ronald Reagan Blvd., Fuzion Field Services, LLC c/o Dolce Law Attn: Daniel L. Sweet, Attorney Ste 210 Johnstown CO 80534 Fx Resources LLC PO Box 307 Mills WY 82644 G & G Garbage LLC PO Box 1178 Baker MT 59313 G & H Garbage Service Inc 331 N Vernal Ave Vernal UT 84078 G & J Heller Family Mineral Tr Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 205 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 208 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country G & K Holdings LLC 46676 S County Road 266 Ringwood OK 73768 G & L Supply 1400 South Main Seminole TX 79360 G & P Commercial Sales Inc PO Box 2152 Minot ND 58702 G & R Dietz Family Trust Gregory & Robbin Dietz - Co- Trustees Address Redacted G & W Engineering Inc 4541 S Navajo St Englewood CO 80110-5529 G & W Trucking Inc PO Box 10383 Midland TX 79702 G Bernadette Montagne Address Redacted G Chandler Briggs Address Redacted G Donald And Edna P Jensen Joint Tenants Address Redacted G E Holmstrom Estate Address Redacted G E Mckissack Address Redacted G E Newman & Co 12447 W 16th Place Lakewood CO 80215 G G Rose LLC 6730 N Scottsdale Rd # 270 Scottsdale AZ 85253 G G ROSE LLC 6730 N SCOTTSDALE RD # 270 Scottsdale AZ 85253 G Gene Berndt Address Redacted G H Kenney Address Redacted G H Tanner Address Redacted G Jeanne Faiman Address Redacted G John Schmitz Address Redacted G Kent Ellis Address Redacted G L Berg Entertainment 825 Nicollet Mall Ste 801 Minneapolis MN 55402 G L O Family Mineral Tr Geoff Obrigewitsch, Ttee Geoff & Debra Obrigewitsch, Jt Address Redacted G L Pirkl Address Redacted G Matthew Marcum Address Redacted G R Fasken Address Redacted G R Van Sickle Minot ND G Style Transport LLC PO Box 2104 Williston ND 58802 G W Oil LLC 1859 Old Reserve Drive Kalispell MT 59901 G William Hurley Rev Trust Address Redacted G&D Services, Inc. John Damman 14055 Country Ln Williston ND 58801 G&R Plumbing PO Box 1213 Denver City TX 79323 G.H. Kenney Address Redacted G2 LLC PO Box 1227 Jal NM 88252 G4 LLC/Oil Partners 2200 Pirates Loop Se, #5 Mandan ND 58554 G4 LLC/OIL PARTNERS 2200 PIRATES LOOP SE, #5 Mandan ND 58554 Ga Beagle Trust Rick Lee - Succ Trustee PO Box 1387 Williston ND 58802 Ga Group Pc 1661 Capitol Way Ste 102 Bismarck ND 58501 Ga Kamps Youtsos LLC 10125 Crosstown Cir Ste 110 Eden Prairie MN 55344

Gabriel & Agnes Frank Mineral Tr Dtd 4/16/1981, Agnes Frank, Melvin J Frank &Sheila M Jandt Trustees Address Redacted Gabriel Valeriano Address Redacted Gabriele H Rapp Address Redacted Gabrielle Layne Ogle Address Redacted Gabrielle Schneider & Eli Cromp PO Box 427 Belfield ND 58622 Gadeco LLC 7535 E Hampden Ave Ste 400 Denver CO 80231 GADECO LLC 7535 E HAMPDEN AVE STE 400 Denver CO 80231 Gae Edward Culver Address Redacted GAEDEKE WILLISTON BASIN HOLDINGS LTD 3710 RAWLINS ST STE 1100 Dallas TX 75219 Gaedeke Williston Basin Holdings Ltd 3710 Rawlins St Ste 1100 Dallas TX 75219 Gaffaneys Of Minot Inc 416 20th Ave Se Minot ND 58701 Gaffney Royalty Trust Kaye Gaffney Mooney Trustee Address Redacted Gage Koei Fain Address Redacted Gagstetter, Brooks Address Redacted Gahr Ranch & Investments Part PO Box 1889 Midland TX 79702 Gail & Kenneth Spoonts Family Trust First Western Bank & Trust Address Redacted Gail & Steven J Aamodt Jtwros Address Redacted Gail A Rudisill Address Redacted Gail Anne Nielson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 206 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 209 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gail Bargeon Berrey Address Redacted Gail Behm Address Redacted Gail Coughlin Address Redacted Gail D Smith Address Redacted Gail E Ritchie Address Redacted Gail E Sharp Address Redacted Gail E Wells Address Redacted Gail Elizabeth Patrick Address Redacted Gail Ellis Address Redacted Gail F Hayes Address Redacted Gail F Langley Address Redacted Gail F Stover Address Redacted Gail Fowler Address Redacted Gail H Hankinson Address Redacted Gail Hancock Address Redacted Gail Holm Address Redacted Gail Hutton Family Tr Address Redacted Gail Hutton Family Tr Dtd 8/30/2002 Address Redacted Gail J Ferrell Address Redacted Gail J Waldrup Address Redacted Gail Kamps Youtsos Address Redacted Gail Kostelecky Address Redacted Gail L Davis Address Redacted Gail L Gunderson Address Redacted Gail L Zimmerman Address Redacted Gail M Lehman Trust C/O Gail M Lehman Trustee Address Redacted Gail M Michel Address Redacted Gail M Nelson Address Redacted Gail Marie Craig Address Redacted Gail Mcnamara Address Redacted Gail Michel Address Redacted Gail Migliorini Address Redacted Gail Nagle Address Redacted Gail Neether Address Redacted Gail P Colvert Address Redacted Gail R Bottleson Address Redacted Gail Ryan Carlsen Address Redacted Gail Schatz Mineral Trust Gail Schatz Trustee Address Redacted Gail Sundsted & Coleen Sundsted JT Ten Address Redacted Gaines Co Appraisal District P O Box 490 Seminole TX 79360 c/o Perdue, Brandon, Fielder, Collins & Gaines County Appraisal District Mott LLP Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Gaines County Farm Bureau 611 S Main Street Po Box 128 Seminole TX 79360 Gaines County, TX Treasurer 101 S Main St #104 Seminole TX 79360 201 South Biscayne Blvd Gaitamar Limited c/o Nicolas Boker Morgan Stanley Suite 2100 Miami FL 33131 Gajewski Family Farm LLP 2223 Lewis Ave Billings MT 59102 Gal Kessel Address Redacted Gale Alfson Aka Marlele Gale Kelly (Nee Marlene Gale Alfson Address Redacted Gale Batson Address Redacted Gale Brien Address Redacted Gale O Kelly Address Redacted Galen & Lana Kristy Halverson Joint Tenants Address Redacted Galen F Jaeger Address Redacted Galen V Fox Irrevocable Trust Blain Fox & Teri Fox - Co- Ttee Address Redacted Galen W Thomas Address Redacted Galin V Jonas Address Redacted Gallegos Sanitation Inc PO Box 1986 Fort Collins CO 80522 Galloway, Walter Address Redacted Gamber Energy Services LLC 173 W 810 S Apt A Hurricane UT 84737-2686 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 207 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 210 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gandy Marley Inc PO Box 1658 Roswell NM 88202 Garcia 2007 Living Trust U/D Dtd May 3, 2007 Janet M Garcia & Pedro Garcia, Address Redacted Garcia, Jaime Address Redacted Garcia, Jamie Address Redacted Garden Isle Investments LLC C/O First Oklahoma Bank Lockbox PO Box 1421 Jenks OK 74037 Garden Valley Cemetery Association 4491 Hwy 1806 W Watford City ND 58854 Gardenia Inc PO Box 11044 Midland TX 79702 GARDENIA INC PO BOX 11044 Midland TX 79702 Gardner A Polanchek 815 14th Street Se Mandan ND 58554 Gardner Clark Family LLC Nola Virginia Gardner Mgr PO Box 491 Waynesboro MS 39367 Gardner Polanchek & Marietta Polanchek, Joint Tnts Address Redacted Gardner, Kelly Address Redacted Garfield Bergstrom & Marlys Bergstrom J/T Address Redacted Garfield Eugene Danielson Address Redacted Garfield J Bergstrom Address Redacted Garlan D Racus Address Redacted Garland Braaten Address Redacted GARLAND BROTHERS LLC 701 9TH ST NE Springhill LA 71075 Garold Sprague Address Redacted Garret Johnson Address Redacted Garrett Btf Minerals LLC 9701 N Broadway Ext. Oklahoma City OK 73114 Garrett Gudmunsen Address Redacted Garrett L Johnsrud Address Redacted Garrett W Rene Address Redacted GARRETT WELLINGTON GREENE Address Redacted C/O DOAK & ASSOCIATES P.C., 4400 POST OAK GARTH L. HARMON BILLINGS, MT ATTN: JON E. DOAK PARKWAY Houston TX 77027 C/O Doak & Associates P.C., Billings, 4400 Post Oak Parkway, Garth L. Harmon Mt Attn: Jon E. Doak #2360 Houston TX 77027 4400 POST OAK GARTH L. HARMON C/O JONES GILLASPIA LOYD LLP ATTN: BRUSE LOYD PARKWAY #2360 Houston TX 77027 4400 POST OAK GARTH L. HARMON C/O JONES GILLASPIA LOYD LLP ATTN: LARRY GILLASPIA PARKWAY #2360 Houston TX 77027 4400 Post Oak Parkway, Garth L. Harmon C/O Jones Gillaspia Loyd Llp Attn: Larry Gillaspia #2360 Houston TX 77027 C/O MAHANY LAW, WAUWATOSA, 4400 POST OAK GARTH L. HARMON WI ATTN: TIM GRANITZ PARKWAY #2360 Houston TX 77027 4400 Post Oak Parkway, Garth L. Harmon C/O Mahany Law, Wauwatosa, Wi Attn: Tim Granitz #2360 Houston TX 77027 Garth L. Harmon John Bruster Loyd 4400 Post Oak Parkway Suite 2360 Houston TX 77027 Garvin O & Marilyn J Muri Address Redacted Garvin O Muri Address Redacted Gary Douglas Thrash Address Redacted Gary & Adrianna Duncan Address Redacted Gary & Audrey Reinholdt Joint Tenants Address Redacted Gary & Jamie Jenson Rev Trust Gary L & Jamie J Jenson Ttees Address Redacted Gary & Joyce Mccoy Living Trust - Gary & Joyce Mccoy Trustees Address Redacted Gary & Mary Newbold Address Redacted Gary & Sue Wold Address Redacted Gary A & Janis A Wilson Address Redacted Gary A & Roberta L Pryor Revocable Trust Dtd 3-19-97 Gary A & Roberta L Pryor - Tr Address Redacted Gary A Dorval Address Redacted Gary A Ley Address Redacted Gary A Pryor Address Redacted Gary A Schultz Address Redacted Gary A Schwartzenberger Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 208 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 211 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gary Alan & Cookie Lee Graham Family Trst U/A/D July 2, 2003 Gary A & Cookie L Graham Ttees Address Redacted Gary Alfred Schaner Address Redacted Gary And Shirley Nelson Address Redacted Gary and Susan Mcclaflin Address Redacted GARY BAILEY & SUZANNE BAILEY JT TEN Address Redacted

Gary Bartlett Address Redacted Gary Bilden Address Redacted Gary Binek And Clova Binek Address Redacted Gary Bowers Address Redacted Gary Brenno Address Redacted Gary Bruins & Betty Bruins Address Redacted Gary C Bolton Address Redacted Gary C Nelson Address Redacted Gary C Showalter Address Redacted Gary C Stewart Address Redacted Gary C Wilkins Address Redacted Gary Clothier Address Redacted Gary Craft Address Redacted Gary D Dordahl Address Redacted Gary D Hanson & Ann Hanson Living Trust Uta Dtd 4-20- 98 Gary & Ann Hanson - Co-Trustee Address Redacted Gary D Olson Address Redacted Gary D Sanford Address Redacted Gary D Talbert Address Redacted Gary D Toedtli Address Redacted Gary D Wright Address Redacted Gary Dahl Address Redacted Gary Dale Earhart Address Redacted Gary David Ellingson Jr Address Redacted Gary Dean Thornton Address Redacted Gary Dietrich Address Redacted Gary Don Atchison Address Redacted Gary E & Betty J Salsbury Living Trust - Duane, Gary & Thomas Salsbury - Ttees Address Redacted Gary E & Karen L Morken Joint Tenants Address Redacted Gary E And Shirley A Nelsen Address Redacted Gary E Erdahl Address Redacted Gary E Lahtinen Address Redacted Gary E Lindley Address Redacted Gary E Mcdanold Helen Mcdanold (Jt) Address Redacted Gary E Salsbury Address Redacted

Gary E Tofte Trustee Gary E Tofte 2012 Revocable Trust Address Redacted Gary Ervin Address Redacted Gary Eugene Fredericks Address Redacted Gary F Brown Address Redacted Gary F Hapip Address Redacted Gary F Linder Address Redacted Gary F Schieffer Address Redacted Gary Flaten Address Redacted Gary Giles Address Redacted Gary H Hauta & Patricia Hauta J/T Address Redacted Gary H Routh Address Redacted Gary H Sand Address Redacted Gary H Sand Revocable Trust Gary H Sand Trustee Address Redacted Gary Hagberry Estate Bruce Hagberry - Administrator Address Redacted Gary Hague Address Redacted Gary Havelka Address Redacted Gary Hoffmann Address Redacted Gary Hovdestad Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 209 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 212 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gary J Dassinger Address Redacted Gary J Hagen Address Redacted Gary J Johnson Address Redacted Gary J Kintz Address Redacted Gary J Lamb Address Redacted Gary J Lamb Inc Address Redacted Gary J Malsam Address Redacted Gary J Malsam And Carla Malsam Jtwros Address Redacted Gary J Semerad Address Redacted Gary James Address Redacted Gary John Olson Address Redacted Gary K Herberger Address Redacted Gary Kessel Address Redacted Gary Kornegay Address Redacted Gary Kullman Address Redacted Gary L Anderson Address Redacted Gary L Barelle Address Redacted Gary L Brune Address Redacted Gary L Brune & Linda C Brune Joint Tenants Address Redacted Gary L Cartier Address Redacted Gary L Dennis Address Redacted Gary L Dettinger Address Redacted Gary L Feist Address Redacted Gary L Frey Address Redacted Gary L Furnish Family Trust Dtd May 26 2009 Trtee Patricia J Furnish Address Redacted Gary L Grengs Dkk Guardian & Conservatorship Services Inc Address Redacted Gary L Griffith Address Redacted Gary L Higlin Address Redacted Gary L Jenson Address Redacted Gary L Jolley Address Redacted Gary L Kullman Address Redacted Gary L Mork Address Redacted Gary L Nydegger Address Redacted Gary L Price Address Redacted Gary L Reichenberger Trust Dated 12/19/17 Gary Reichenberger - Trustee Address Redacted Gary L Six Address Redacted Gary L Stefonowicz Address Redacted GARY L WARNKE Address Redacted Gary L Warnke Dba Warco Oil Co Address Redacted Gary L Wiebe Address Redacted Gary Lazar Address Redacted Gary Lee Aljets Address Redacted Gary Lee Drievold Address Redacted Gary Lee Mann Address Redacted Gary Lee Stephens Address Redacted Gary Lewis Sterud Address Redacted Gary Littlefield Address Redacted Gary Lynn Brooks Address Redacted Gary Lynn Gourley Address Redacted Gary M Cavett Address Redacted Gary M Hopkins Address Redacted Gary M Jaborski Living Trust Dtd 10/29/14 Address Redacted Gary M Johnson Address Redacted Gary M Lathrop Address Redacted Gary M Paulson Address Redacted Gary Magnuson Address Redacted Gary Markestad Management Trst Address Redacted Gary McClaflin Address Redacted Gary Mccloud Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 210 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 213 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gary Mcelfresh Address Redacted Gary Michael Deutsch Address Redacted Gary Miller Address Redacted Gary Morehouse Address Redacted Gary N Hackworth Address Redacted Gary Nickus Address Redacted Gary Nottestad Address Redacted Gary Olson Address Redacted Gary Oversen Address Redacted Gary Oversen Trustee Of The Donald Earl Oversen Revocable Living Trust And P-O-A Address Redacted Gary Price Address Redacted Gary R Brueni Address Redacted Gary R Brueni Trustee Under Trust Agrmt Dtd 9-28-84 Address Redacted Gary R Epier Address Redacted Gary R Fladmo Address Redacted Gary R Gross Address Redacted Gary R Jacobson Address Redacted Gary R Mehl Address Redacted Gary R Moore Address Redacted Gary R Niles Address Redacted Gary R Sigmon Address Redacted Gary R Sukut Address Redacted Gary R. Andazola Address Redacted Gary Reichenberger Address Redacted Gary Reichenberger And Judy Reichenberger Address Redacted Gary Rich Address Redacted Gary Ries Address Redacted Gary Roy Jacobson Address Redacted Gary S Fortier Address Redacted Gary S Schwab Address Redacted Gary S Schwab Trust Address Redacted Gary Sanford Revocable Living Trust For Mineral Rights Gary Sanford - Trustee Address Redacted Gary Stanley Address Redacted Gary Strom Address Redacted Gary Sugar Address Redacted Gary Thompson Address Redacted Gary Trebilcock Address Redacted Gary Vogt Address Redacted Gary W And Shirley M Smith Joint Tenants Address Redacted Gary W Bullock Address Redacted Gary W Dishman & Lydia M Dishman J/T Address Redacted Gary W Hillerud Address Redacted Gary W Perdue Address Redacted Gary W Walker Address Redacted Gary W. Groshans Address Redacted Gary Westwood Address Redacted Gary Wilbur Address Redacted Gary Wilde Address Redacted Gary Wold Address Redacted Gary Young Address Redacted Gary Zilik Address Redacted Gary Zimmer Address Redacted Garys Insulation Inc PO Box 70 Roosevelt UT 84066 Garza, Chad Address Redacted Gas Certification Institute PO Box 131525 Houston TX 77219-1525 Gas Ldar LLC 303 W 3rd St Elk City OK 73644 GAS TRANSPORTATION CORPORATION ATTN: BRADY D. KING, II 2400 FORSYTHE AVENUE SUITE 2 Monroe LA 71201 Gasper E Mascarenas 100 State St Laramie WY 82072 GASPER E MASCARENAS Address Redacted Gatekeeper Energy LLC 2119 Kennedy Ave Bismarck ND 58501 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 211 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 214 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gathman, Mark Address Redacted Gausewitz Family Revocable Trust Phillips L Gausewitz Address Redacted Gausewitz Family Trust Steven Gausewitz, Lynn Torrini S Valliere, A Gausewitz Ttees Address Redacted Gavin Y Wilson Address Redacted Gaviota Gas Plant Company Attn: Todd R. Cantrall 11450 Compaq Center West Building 9 Suite 450 Houston TX 77070 Gaviota Gas Plant Compnay c/o Jones Walker LLP Attn: Elizabeth Futrell 201 St. Charles Ave 49th Floor New Orleans LA 70170 Gay M King Address Redacted Gay M King Life Estate Address Redacted Gay N Funk Address Redacted Gay Nell Wood Address Redacted Gaye File Address Redacted Gayla French Address Redacted Gayle A Peterson Address Redacted Gayle A. Bowman aka Gayle A Thomas Address Redacted Gayle Anne Smith Revocable Tr Gayle Anne Smith - Trustee Address Redacted Gayle C Carnini-Stair Address Redacted Gayle Christensen Address Redacted Gayle D Bechtold Address Redacted Gayle D Bechtold Trust - Gayle D Bechtold Trustee Address Redacted Gayle E Sander Address Redacted Gayle Hodge Watt Address Redacted Gayle J Seiler Irvcbl Min Tr Gayle & Stephen Seiler Trtees Address Redacted Gayle L Miller Address Redacted Gayle May Address Redacted Gayle O Chorske Revocable Trust William W Chorske & Brown Investment Advisory & Trust Co, Co-Ttee Address Redacted Gayle S Hites Address Redacted Gayle Smith Address Redacted Gaylene Curtis Address Redacted Gaylin Monson Address Redacted Gayne L Meiers Address Redacted Gaynelle B Nesheim Address Redacted Gaynelle Nesheim Famly Mineral Trust Bradley Nesheim David Nesheim & Nedra J Sluke Ttees Address Redacted GBK PO BOX 21468 Tulsa OK 74121-1468 GBK INVESTMENT L.L.C. ATTN: DON MILLICAN 6733 SOUTH YALE AVENUE Tulsa OK 74136 Gbk Investments LLC PO Box 21468 Tulsa OK 74121-1468 GBK INVESTMENTS LLC PO BOX 21468 Tulsa OK 74121-1468 GBK Investments, L.L.C Kaiser-Francis Oil Company Attn: Tyler Beaty 6733 South Yale Avenue Tulsa OK 74136 GBK INVESTMENTS, L.L.C. 6733 SOUTH YALE AVENUE Tulsa OK 74136 GBK Investments, L.L.C. Address Redacted Gdnom Ltd PO Box 10 Lamesa TX 79331-0010 Ge Intelligent Platforms Inc Acct No: 4451132895 Po Box 74008240 Chicago IL 60674-8240 Ge Oil & Gas Esp Inc 5500 Se 59th St Oklahoma City OK 73135-4530 Ge Oil & Gas Esp Inc PO Box 301200 Dallas TX 75303-1200 Ge Oil & Gas Pressure Control Lp Po Box 911776 Dallas TX 75391-1776 Geba Drilling Company Trust 1331 Oakhurst Dr Wichita Falls TX 76302 GELCO FLEET TRUST 9350 Excelsior Blvd Ste 400 Hopkins MN 55343-0095 Gemini Solutions Inc 702 Morton Street Richmond TX 77469 Gen Becker Living Trust Dtd January 23, 2014 Gen Becker, Trustee Address Redacted Gena Baker Address Redacted Gena C Rotter Address Redacted Gena Nearburg Urquides Address Redacted Gena Rolfsrud Address Redacted Genaro Investment Company Address Redacted Gene & Nancy Transtrom J/T Address Redacted Gene A Ballard Address Redacted Gene A Grasser Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 212 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 215 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gene A Johnson Address Redacted Gene A Nutter Address Redacted Gene Brose Irrev Min Trust Dtd 10/15/09 Eugene W Br0Se, Trustee Address Redacted Gene C Haynes Address Redacted Gene Chaas Sepira Address Redacted Gene E Transtrom Address Redacted Gene F & Barbara A Lang J/T Address Redacted Gene F Carr Address Redacted Gene F Lang & Co Address Redacted Gene H Wing Address Redacted Gene Helle Address Redacted Gene Helle Karen J. Helle Address Redacted Gene Hoffman Address Redacted Gene Kasper & Clara Mcadow-Kasper Address Redacted Gene Livingston Address Redacted Gene Lohse Address Redacted Gene M Peterman Address Redacted Gene Perry Elletson Address Redacted Gene R Baldwin Address Redacted Gene R. McCall IRA Charles Schwab Address Redacted Gene Swan Brown Address Redacted GENERAL NETWORKS 3524 OCEANVIEW BLVD Glendale CA 91208 GENERAL NETWORKS COPORATION-8710 3524 OCEANVIEW BLVD Glendale CA 91208 GENERAL NETWORKS CORP 3524 OCEAN VIEW BLVD Glendale CA 91208 General Networks Corporation 3524 Oceanview Blvd Glendale CA 91208 General Steel And Supply Co P O Box 1034 Dickinson ND 58602-1034 Genes Plumbing Service Inc. Eugene and Denny Moe Eugene Horold Moe 10440 Hwy 2 Tioga ND 58852 Genes Plumbing Service Inc. FBO E_gene Moe Eugene Horold Moe 10440 Hwy 2 Tioga ND 58852 Genesis Drilling Program I LP 2350 N Forest Rd Getzville NY 14068 Genesis Drilling Program Ii LP 2350 N Forest Rd Getzville NY 14068 Genesis Oilfield Pipe & Supply 4414 Hwy 90 W New Iberia LA 70560 Geneva Jones Address Redacted Geneva M Fulgham Address Redacted Genevieve Bruins Address Redacted Genevieve F Perrine Trust Regions Bank Trustee C/Regions Bank Trust Nrre Address Redacted Genevieve L Leiker Trust 1 Thomas P Ward - Trustee Address Redacted Genevieve Tarlton Hearon Paul Reddam Poa Address Redacted Genie H Bentley Aka Gene Bentley Address Redacted Genovebo Juarez Jr Address Redacted GENSCAPE PO BOX 417749 Boston MA 02241-7749 Genscape Inc PO Box 417749 Boston MA 02241-7749 Gensler Address Redacted Geo Drilling Fluids Inc P O Box 1478 Bakersfield CA 93302 Geo L & Ruth Wroe Address Redacted Geo Production Solutions LLC 201 Abrego Lake Dr Floresville TX 78114 Geo Resources Management LLC P O Box 3193 Englewood CO 80155-3193 Geoedges Inc #1440, 510-5th Street Sw Calgary AB T2P 3S2 Canada Geoffrey A Penman 28 Grey Wing Point Naples FL 34113 Geoffrey Crooks Address Redacted Geoffrey K. Gorbold IRA Address Redacted GEOKINETICS USA INC 1500 CITY WEST BLVD. SUITE 800 Houston TX 77042 GEOKINETICS USA, INC. 1500 CITY WEST BLVD. SUITE 800 Houston TX 77042 Geomap Company 1100 Geomap Lane Plano TX 75074-7135 Geomar Resources Inc 3343 Locke Ave Suite 103 Fort Worth TX 76107-5702 Geomark Research Ltd 9748 Whithorn Dr Houston TX 77095 GEOPHYSICAL PURSUIT INC 1740 WESTHEIMER SUITE 200 Houston TX 77098 GEOPHYSICAL PURSUIT, INC. 1740 WESTHEIMER SUITE 200 Houston TX 77098 GEORESOURCES INC 4809 PACIFIC HWY E Fife WA 98424-2618 Georga K Parchem Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 213 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 216 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Georgann Reel Trust Dtd February 22, 2004 Georgann Reel, Trustee Address Redacted George & Helen L Kary Family Trust U/A Dtd 1/2/13 Address Redacted George & Irene Wolf J/T Address Redacted George & Joanne Adamski Ttees Of The Trust Dtd 12/13/06 F/B/O George Adamski Address Redacted George & Kathlyn Loepp Address Redacted George & Mary Schaff Mineral Irrevoc Trust Larry Schaff & Susann Wolf Succ Trustees Address Redacted George & Mary Schaff Mineral Irrevocable Trust Larry Schaff & Susan Dennis Wolf, Co-Ttees Address Redacted George & Pamela Vanluchene Revocable Living Trst Georage & Pamela Vanluchene-Tr Address Redacted George A Fraser Address Redacted George A Longo Address Redacted George A Loranger Life Estate Address Redacted George A Schuminski Jr Address Redacted George A Watts Stella Watts Jts Address Redacted George Allan Denowh Address Redacted George Allman Jr Trst C/O Jpmorgan Chase Bank PO Box 99084 Fort Worth TX 76199-0084 George And Marie Fitterer Address Redacted George Andreas & Rose Marie Andreas, H/W Address Redacted

George Andreas & Rose Marie Andreas, H/W Life Estate Address Redacted George B Felt Tr UA 02/01/91 Address Redacted George B Petersen Address Redacted George Benham Address Redacted George Berg Address Redacted George Bujnoch Family Trust Dorothy Bujnoch Trustee Address Redacted George Burrows Felt Address Redacted George C Hoff Address Redacted George C Wharton Address Redacted George C. Jones Address Redacted George Chandler Bingham Address Redacted George Charles Stephens Estate C/O Chad Gorball Address Redacted George Curtis Bozant Address Redacted George D. Hakim Address Redacted George Derry Address Redacted George Dewitt & Lorraine R Boice Lvng Tr Address Redacted George Douglas Gould Address Redacted George E Brimmer Ii Address Redacted George E Brimmer Trust C/O American National Bank Address Redacted George E Kadane Address Redacted George E Moss Jr Address Redacted George E Moss Jr & John K Moss Joint Tenants Address Redacted George E Perry Irrevocable Trust Dakota Community Bank - Tr Address Redacted George E Perry Spousal Access Trust U/A Dtd 12/15/12 Dakota Community Bank & Trust Ttee Address Redacted George Edgar Birdsong Grantor Trust - Amarillo National Bank - Trustee Address Redacted George Edwin Mccall Address Redacted George F Wilsey Address Redacted George F. Lemmons Address Redacted George Forbes Alcott Address Redacted George Forbes And Jenna Carey Alcott Address Redacted George G & Marilyn A Gilin Address Redacted George G Kovacs Estate Martha S Clark Administratrx Address Redacted George G Meek Jr Address Redacted George G Vaught Jr Address Redacted George G Waught Jr Address Redacted George Gleason Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 214 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 217 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country George Glen Mcduff Address Redacted George H Coulter Trust 5-4-93 George H And Beverly J Coulter Co-Trustees Address Redacted George H Morgan Trust A Ellen M Thomson Co-Trustee Ingemarie M Richardson Co-Ttee Address Redacted George H Morgan Trust B Ellen M Thompson Co-Trustee Ingemarie M Richardson Co-Ttee Address Redacted George H Zimmerman Ii Address Redacted George H. Counts Address Redacted George Hayden Jr Address Redacted George Hegge Family Mineral Tr Kimberly Midgett, Mari Stewart & Johnathan Hegge - Co-Tr Address Redacted George Heider Address Redacted George Holmans Address Redacted George Huff Trust C/O Bokf Na Agent Address Redacted George I Fredrickson Address Redacted George J Fleck Tr Dtd 9-29-99 Nathaniel Fleck & Alma Bergmann Trustees Address Redacted George J Mcleod Address Redacted George Kadane Mineral Trust George E & Louise Kadane Ttees Address Redacted George Kinney Address Redacted George Kordon Address Redacted George L Hayden & Marla Hayden J/T Address Redacted George L Jewell Address Redacted George L Norman Address Redacted George L Struchynski & Rita M Struchynski Address Redacted George L Theisen Address Redacted George Lindecker Address Redacted George Littlecreek Address Redacted George M Cowden Address Redacted George M Davis Address Redacted George M Osgood Trust George N Osgood Trustee Address Redacted George M Radder Address Redacted George M Rupp Address Redacted George M Unruh Jr Address Redacted George M. Herring Address Redacted George Milne Address Redacted George Null Address Redacted George P Johnson Address Redacted George P Shenas Address Redacted George P Wolter Iii Address Redacted George P. Baechtle Address Redacted George P. Milne Address Redacted George Paschke Address Redacted George Perry Wedum Address Redacted George R Borsheim Trust By Agmt Dtd 2/28/1992, Tyler G Goodman Address Redacted George R Boyce Address Redacted George R Franchuk And Mary E Franchuk Ttees Of The Franchuk Family Trust Dtd 12/8/09 Address Redacted George R Goodwill Address Redacted George R King Address Redacted George R Simpson Address Redacted

George R Simpson & Jean S Simpson Trst For Stephanie Address Redacted George R Simpson & Jean Simpso Trust Charlotte Simpson Address Redacted George R Simpson Jr Trust George Simpson, Bige Simpson & The Survivor, Trustees For Address Redacted George Russell Spetnagel Address Redacted George S Anderson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 215 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 218 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country George S Dennis Address Redacted George S Hawn Interests Address Redacted George S Hawn Jr Address Redacted George S Komestakes Address Redacted George S Komestakes c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 George Schneider Address Redacted George Shirley Address Redacted George Steele Address Redacted George T Anderson Address Redacted George T Vanderslice Address Redacted George Van Obrien Address Redacted George W & Arlene Zarak Family Mineral Trust George & Arlene Zarak Ttees Address Redacted George W And Madge L Berry J/T Address Redacted George W Buckner, Jr Address Redacted George W Hoelscher Jr Address Redacted George W Kohlhof & Linda L Herr Joint Tentants Address Redacted George W Phillips Address Redacted George Warner Baxter Address Redacted George Wesley Brown Address Redacted George William Wood Address Redacted George Young Address Redacted Georgene Kadrmas Irrevoc Trust Dtd Oct 9, 2003 Gerald E Kadrmas & Sandra M Ficek, Co-Trustees Address Redacted Georgene R Baustad Address Redacted Georges Bouassi Address Redacted Georgette Ballard Address Redacted Georgia A Stieren Address Redacted Georgia B Mcmillan Address Redacted Georgia Bray Ponciano Address Redacted Georgia C Heupel Eldean Flath, Aif Address Redacted Georgia Department Of Revenue Unclaimed Property Program 4125 Welcome All Road Ste 701 Atlanta GA 30349 Georgia G Ballou Address Redacted Georgia Holbrook Address Redacted Georgia L Cornely Address Redacted Georgia L King Address Redacted Georgia Ruth Sutton C/O Lisa Sutton-Housman Address Redacted Georgia Savic Address Redacted Georgia Scheeler Address Redacted Georgia Sue Herberger Black Address Redacted Georgiana Fischer Address Redacted Georgianna M Meduna Family Mineral Trust - Clayton V Meduna - Trustee Address Redacted Georgianna M Meduna For Life Poa Clayton Meduna Address Redacted Georgianne D Karsky Revocable Living Trust Georgianne D Karsky, Trustee Address Redacted Georgianne M Zastoupil Address Redacted Georgie Henke Address Redacted Georgieanne R Lorenz Address Redacted Georgina Anne Townsend Address Redacted Georgina Steffan Address Redacted Gerald & Joyce Ware Revocable Trust Gerald Ware, Trustee Address Redacted Gerald & Sandra Transtrom Address Redacted Gerald & Vicky Berger Living Trust Dtd 9-1-16 - Gerald W & Vicky R Berger - Co-Trustees Address Redacted

Gerald A & Marian Olson Ttees Under Trust Dtd 5/2/84 Address Redacted Gerald A Jorgensen Address Redacted Gerald A Odermann Address Redacted Gerald Aftem Address Redacted Gerald And Fay Behm Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 216 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 219 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gerald And Sharon Patterson Living Trust Dtd 1-13-15 Gerald And Sharon Patterson Trustees Address Redacted Gerald B Bich Address Redacted Gerald Berger Address Redacted Gerald C And Linda Tollefsrud Address Redacted Gerald Christianson Address Redacted Gerald D Brose Address Redacted Gerald D Brush Address Redacted Gerald D Neset Address Redacted Gerald Delaney Address Redacted Gerald E Casteel And Gloria Casteel Address Redacted Gerald E Hecker Address Redacted Gerald Eugene Trenbeath Address Redacted Gerald Evoniuk (Le) Address Redacted Gerald F D'Unger Address Redacted Gerald F Heath Address Redacted Gerald Francis Olson Estate Heidi Jo Brown - Personal Rep Address Redacted Gerald Frederickson Address Redacted Gerald G Duffy Address Redacted

Gerald G Duffy Revocable Trust Marvel E Duffy - Trustee Address Redacted Gerald G Rooney Address Redacted Gerald Havelka Address Redacted Gerald J And Nancy A Miller Address Redacted Gerald J Behm Address Redacted Gerald J Elkins And Donna J Elkins Address Redacted Gerald J Elkins And Donna J Elkins Jt Address Redacted Gerald J Helling Address Redacted Gerald J Irissarri Address Redacted Gerald J Roberts Address Redacted Gerald Joseph Bozant Address Redacted Gerald Jurgens Address Redacted Gerald L Butner & Harriet A Butner, J/T Address Redacted Gerald L Fritsvold Revocable Trust Dtd 10-1-14 Gerald Fritsvold - Trustee Address Redacted Gerald L Horton Jr Address Redacted GERALD L PATTERSON & Address Redacted GERALD L PATTERSON & SHARON PATTERSON 5505 WOODLAWN AVE Omaha NE 68123 GERALD L PATTERSON & SHARON PATTERSON Address Redacted Gerald L Wilson Address Redacted Gerald Lane Fjelstad Address Redacted Gerald Lee Swanson Address Redacted Gerald Lynn Keslar & Cheryl Lynn Keslar H/W Address Redacted Gerald M Elwood Address Redacted Gerald M Finn Address Redacted Gerald M Sutherland Address Redacted Gerald O Transtrom Address Redacted Gerald Orville Herman Address Redacted Gerald P & Mabelle Oconnor Jt Address Redacted Gerald P Falcon Address Redacted Gerald R Armstrong Address Redacted Gerald R Bach Address Redacted Gerald R Williams Address Redacted Gerald Robert Everingim Christine L Fitzgerald (Poa) Address Redacted Gerald Roy Siira Address Redacted Gerald Stefonowicz Address Redacted Gerald Stenehjem Address Redacted Gerald Stevens Address Redacted Gerald Sticka Address Redacted Gerald Stordahl Mineral Tr Gerald L Stordahl Ttee C/0 Karen Luther Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 217 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 220 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gerald T & Jill A Sullivan Jt Address Redacted Gerald T Anderson Address Redacted Gerald T Schultz Rev Lvg Tr Agree Dtd 11/12/97 Address Redacted Gerald Tollefsrud Address Redacted Gerald W Brown Address Redacted Gerald W Grim Address Redacted Gerald W Hasbargen Address Redacted Gerald W Hauge Address Redacted GERALD W MCCRUMMEN AND DIANA R Address Redacted Gerald W Mccrummen And Diana R Mccrummen Address Redacted Gerald W Rudes Address Redacted Gerald W Stout Address Redacted Gerald Wiese Address Redacted Gerald Wiseman Address Redacted Geraldine Ann Lobdell Address Redacted Geraldine Anzek Address Redacted Geraldine Brady Address Redacted Geraldine Bremer c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Geraldine D'Unger Mcgloin Address Redacted Geraldine E Cody Address Redacted Geraldine Fevold Address Redacted Geraldine Glasscock Lawson Charitable Trust C/O Broadway National Bank Successor Ttee Address Redacted Geraldine K Olson Address Redacted Geraldine M Pomarleau Address Redacted Geraldine Mchugh Address Redacted Geraldine Olstad Address Redacted Geraldine P Holemo Rev Trust Geraldine P Holemo Trustee Address Redacted Geraldine Pavelka Address Redacted Geraldine Stenehjem Wheeler Address Redacted Geraldine Tatman C/O Eureka Rehabilitation & Wellness Center Address Redacted Geralyn D & Carmine Monti H/W Address Redacted Geralyn D Monti Address Redacted Geranium Properties Ltd PO Box 8206 Wichita Falls TX 76307-8206 Gerard A Kordonowy Address Redacted Gerard E Muggli Address Redacted Gerard F Burke & Tanya D Burke Address Redacted Gerard F Steiner Address Redacted Gerard G Stroh Address Redacted Gerard M Schuster Address Redacted Gerard M Schuster & Theresa Nichols Schuster Address Redacted Gerard Royalty Partnership 625 Market St #250 Shreveport LA 71101-5392 Gerd ISI Groschang Address Redacted Gerda M Knodt Address Redacted Gerene Dianne Chase Ferguson Address Redacted Gerhard & Beverly Reichenbach Joint Tenants Address Redacted Gerhard A & Margarete Huebner Living Trust Dtd 4-7-05 C/O Roger Huebner Address Redacted Geri L Pankowski Address Redacted Gerlinde Broadway Address Redacted German Ev Lutheran Immanuel Church Emmanuel Lutheran German Cemetery Address Redacted Gernand Mineral Trust Peter L Gernand Jr Trustee Address Redacted Gerold B Sinclair Address Redacted Gerold E Njos Jeffrey Njos - Aid Address Redacted Geronimo Holding Corp PO Box 804 Midland TX 79702 Gerri Swiers Address Redacted Gerrity Bakken LLC 9200 E Mineral Ave Ste 200 Centennial CO 80112 Gerry D Cotton Address Redacted Gerry Hammond Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 218 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 221 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gerry K Pugh Address Redacted

Gerry L Maddoux Living Trust Gerry L Maddoux, Trustee Address Redacted Gerry Schmoker Address Redacted Gerry Strom C/O Gary Strom Address Redacted Gertrude E Miller Address Redacted Gertrude G Kennedy Address Redacted Gertrude G Woehrlin Le Address Redacted Gertrude Richards Welke Address Redacted Gertrude Wagner Hawkins Address Redacted Gesselman Construction PO Box 162 505 Main St Plaza ND 58771 Get It Get It LLC C/O Jeff Farshad 2021 St. Claude Avenue New Orleans LA 70116 Get Rid Of It Of Arkansas Inc 313 Ready Rd El Dorado AR 71730-4654 GETECH INC 3000 WILCREST DRIVE SUITE 155 Houston TX 77042 GETECH INC. 3000 WILCREST DRIVE SUITE 155 Houston TX 77042 Getty Royalties LLC PO Box 46063 Denver CO 80201 Gettysburg Addresses Inc 8 Lincoln Square Gettysburg PA 17325 Gexpro PO Box 840638 Dallas TX 75284-0638 Gfl - Usa 6200 Elmridge Dr Sterling Heights MI 48314 Gfsjr Minerals LLC PO Box 906 El Campo TX 77437 Ggh Wyoming 134 Riverstone Terrace Ste 203 Canton GA 30114 Ggnv Properties LLC 721 N Madison Ave El Dorado AR 71730 Ghani, Shahir Address Redacted Ghd Services Inc PO Box 392237 Pittsburgh PA 15251-9237 Ghf Trust Address Redacted GHGSAT INC. 500-3981 ST-LAURENT Montreal QC H2W 1Y5 Canada Gibbs & Bruns LLP 1100 Louisiana Ste 5300 Houston TX 77002 Gibbs B Crook Family Trst E Carter Crook Jr Trste Address Redacted Gibney, Jonathan Address Redacted Gibraltar Lubricating Services 102 Birch St Beebe AR 72012 Gibson Arnold & Associates Inc PO Box 18110 Golden CO 80402 Gieb Royalties LP PO Box 2434 Midland TX 79702 Giersdorf, Jessica Address Redacted Giesen, Jordan Address Redacted Giffey, Tom Address Redacted

Giggy Family Irrevocable Trust Dennis R Giggy - Trustee Address Redacted Gilbert Davis Address Redacted Gilbert Ellefson Trust Mrs Ruth Ellefson Trustee Address Redacted Gilbert Family Living Trust Richard E & Sharron M Gilbert- Co-Trustees Address Redacted Gilbert Farrell Address Redacted Gilbert Hoelscher Address Redacted Gilbert T Ridl Address Redacted Gilberto Barragan Address Redacted Gilda Cohen Address Redacted Giles Energy Inc 5902 Corinthian Park Drive Spring TX 77379 GILES ENERGY INC 5902 CORINTHIAN PARK DRIVE Spring TX 77379 Gillespie, Rick Address Redacted Gillette Childrens Hospital Foundation 200 University Ave E St Paul MN 55101-2598 Gillette Living Trust Martha & Carl Gillette Trustees Address Redacted Gilliam Construction LLC PO Box 1986 Gillette WY 82717-1986 Gillian E Mcgrane 3529 N Hackett Ave Milwaukee WI 53211-2638 Gillian Havrilla Address Redacted Gillian Mcgrane Address Redacted Gillman, Ryan Address Redacted Gillmore, Brecken Address Redacted Gilmore Resources Inc PO Box 577 Kimball NE 69145 Gilmore Revocable Trust Willis Henderson & Katherine Elizabeth Gilmore - Trustees Address Redacted Gina Cattaneo Carpenter Address Redacted Gina Jaschke Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 219 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 222 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gina M Peltier Address Redacted Gina Tangney Address Redacted Ginalene Cole Address Redacted Ginger Culpepper Monson Rev Trust - Ginger & Terry Monson Trustees Address Redacted Ginger Flynn Address Redacted Ginger Mclean Address Redacted Ginger Monson Address Redacted Ginny D Mead Address Redacted Girish G & Benali G Deshpande Address Redacted Girish M Bhatt Address Redacted Gj Flat Top LLC PO Box 445 Waukee IA 50263 Gjerdevig Living Trust Curtis D Gjerdevig & Jerrine R Gjerdevig As Trustees Address Redacted Gjerdevig-Welk Family LLLP Joyce Gjerdevig Gp 1229 25th St Ogden UT 84401-2808 Glacier Oilfield Services Inc 7345 Highway 789 Lander WY 82520 Glacier Oilfield Services, Inc Verna Worthey 7345 Hwy 789 Lander WY 82520 Glad K Fox 19125 Van Owen St Resenda CA 91335 Gladys A Brusven Address Redacted Gladys Ann Lamere Address Redacted Gladys D Lang Address Redacted Gladys E Anderson Address Redacted Gladys E Brown Le Address Redacted Gladys H Campbell C/O Frank Campbell Address Redacted Gladys Herdt Family Trust Vickie Ann Wagner & Rhonda Gail Hunter- Co Trustees Address Redacted Gladys L Chase L/E Address Redacted Gladys M Gibbins Danell Gibbins Poa Address Redacted Gladys M Keenen Trustee Gladys M Keenen Rev Living Trt Address Redacted Gladys M Koolmo Mineral Trust David V Koolmo, Succ Trustee Address Redacted Gladys M Zastoupil Life Estate Address Redacted Gladys Owan Address Redacted Glaser Childrens Trust Address Redacted Glasoe, Daniel Address Redacted Glass Bluff LLC C/O Roger E Young 10211 Wincopin Circle Ste 150 Columbia MD 21044 Glass Lewis & Co LLC One Sansome St Ste 3300 San Francisco CA 94104 Glass, Kelly Address Redacted Glauber Management Co Inc 3305 Main Street Rowlett TX 75088-4983 Glee M Mccormick Trust Glee M Mccormick - Trustee Address Redacted Glen & Carol Nelson Rev Lv Tr Glen N Nelson & Carol M Nelson Co-Trustees Address Redacted Glen & Lanette Singer Family Trust Glen & Lanette Singer Trustees Address Redacted Glen Brookhart Address Redacted Glen C Bills Properties Ltd 3034 S 2520 E Salt Lake City UT 84109 Glen C Daley Address Redacted Glen C Falk Address Redacted Glen D Lewis Address Redacted Glen H Wallace Address Redacted Glen J. Bawek Address Redacted Glen Larsen Address Redacted Glen R Hauf Trust Share Glen R & Amanda Hauf - Trustees Address Redacted Glen R Havelka Address Redacted Glen R Kadrmas & Susan O Kadrmas Address Redacted Glen Richard Bye Address Redacted Glen S Cade Address Redacted Glen V Johnson Address Redacted Glenan Detienne Address Redacted Glenda Branin Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 220 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 223 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Glenda C Rouse Address Redacted Glenda Devick Trust Dtd 6/9/00 Glenda Devick Trustee Address Redacted Glenda E & David P Negrones Revocable Living Trust Glenda Elaine Negrones Trtee Address Redacted Glenda E Hughes Address Redacted Glenda Engen Address Redacted Glenda F Gaenzel, Indiv Address Redacted Glenda Faith Holland Address Redacted Glenda J Isom Address Redacted Glenda J Redmond Address Redacted Glenda Lacy Address Redacted Glenda Myers Aldaco Address Redacted Glenda Redmond Life Estate Address Redacted Glenda S West Address Redacted

Glenda S West Revocable Trust Glenda S West - Trustee Address Redacted Glenda Sue Barker Address Redacted Glenda Thompson Address Redacted One Liberty Place Suite Glenmede Trust Company, N.A. (The) Darlene Warren 1200 1650 Market Street Philadelphia PA 19103 Glenn A Clanton Address Redacted Glenn A Myers - Deceased Address Redacted Glenn A Shaffer Address Redacted Glenn Baird Bypass Trust Melvin Rex Baird Trustee Address Redacted Glenn D Carpenter Address Redacted Glenn D Ellingsberg Address Redacted Glenn E Hetzel Address Redacted Glenn E Hetzel Life Estate Address Redacted Glenn E Land Address Redacted Glenn G Mortimer Iii Address Redacted Glenn Harwell Address Redacted Glenn J Aho Address Redacted Glenn L. Perry Address Redacted Glenn Lattimore Family Limited Partnership Address Redacted Glenn Laycock Address Redacted Glenn O & Vicky L Stenehjem Jt Address Redacted Glenn Orth Estate John R Orth - Pr Address Redacted Glenn Perry Address Redacted Glenn Peter Helling Address Redacted Glenn R Lohmann Address Redacted Glenn R Orth Address Redacted Glenn Reeves C/O Wendy Reeves Address Redacted Glenn Reeves Irrevocable Trust Fbo Ben Reeves Address Redacted Glenn Reeves Irrevocable Trust Fbo Jennifer Maguire Address Redacted Glenn Reeves Irrevocable Trust Fbo Jonathan Reeves Address Redacted Glenn Reeves Irrevocable Trust Fbo Joseph Reeves Address Redacted GLENN STENEHJEM AND VICKY STENEHJEM Address Redacted Glenn Stoner Address Redacted Glenn W Cartier Address Redacted Glenna Johnson Address Redacted Glenna Taylor-Chapman Address Redacted Glennita J Mallory Address Redacted Glenyce M Bean Address Redacted Glines Electric LLC PO Box 221 Buffalo SD 57720 GLOBAL Address Redacted Global Down Syndrome Address Redacted Global Environmental Engineering Inc 363 W South Airport Traverse City MI 49686 Global Fire Response & Safety Dba On-Site Safety Inc #413-8th Avenue East Williston ND 58801 Global Gas & Oil LLC 1825 Harbor Drive Bismarck ND 58504 GLOBAL GAS & OIL LLC 1825 HARBOR DRIVE Bismarck ND 58504

GLOBAL GEOPHYSICAL 1900 NORTH LOOP WEST STE. 200 Houston TX 77018 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 221 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 224 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country GLOBAL GEOPHYSICAL SERVICES, INC. PO BOX 316 Barker TX 77413-0316 Global Methane LLC 2857 Paradise Rd #1501 Las Vegas NV 89109 Global Resources Corp PO Box 4222 Bismarck ND 58502 Global Security Corporation 2944 Nw 156th St Edmond OK 73013 Globe Chemicals LLC Dba Tech Management Po Box 51168 Midland TX 79710 Globex Oil And Gas Corporation 2204 Louisiana Second Floor Houston TX 77002-8655 Gloria A Cash Address Redacted Gloria A Diede Address Redacted Gloria A Fort Address Redacted Gloria A Melcher Address Redacted Gloria A Norby Address Redacted Gloria Aho Address Redacted Gloria Ann Larson Address Redacted Gloria Blomberg Address Redacted Gloria Carver-Orr Address Redacted Gloria Davis Address Redacted Gloria E Cassel L-E Address Redacted Gloria F Scott Address Redacted Gloria F Worley Address Redacted Gloria Gresz Delyte Koropatnicki - Guardian Address Redacted Gloria Gullickson Peggy Michelle Fernandez Poa Address Redacted Gloria Hilton Address Redacted Gloria J & Robert A Van Slyke Address Redacted Gloria J Downing Address Redacted Gloria J Hoff Revocable Trust Gloria J Hoff - Trustee Address Redacted Gloria J Rasmussen Address Redacted Gloria J Wade Address Redacted Gloria J. Hoff, Trustee of the Gloria J. Hoff Trust dated May 19, 2014 Address Redacted Gloria K Baker Underwood Address Redacted Gloria M Bowen Address Redacted Gloria M Coleman Irrevocable Trust Rudy Gothenquist - Trustee Address Redacted Gloria Melcher Family Mineral Trust Trustee Of Gloria Melcher Family Mineral Trust Address Redacted Gloria R Schoonover Address Redacted Gloria Sandmeyer Address Redacted Gloria Twete Address Redacted Gloria Venden Address Redacted Glorianne Rosten Address Redacted Gloster Production Properties LLC 3421 N Causeway Blvd Ste 403 Metairie LA 70002 Glover, Jerry Address Redacted Glynis Lee Booe Address Redacted Gm Limited PO Box 1331 Vernon TX 76385 Gmp Securities L.P./CDS** Marino Meggetto 145 King Street West Suite 300 Toronto ON M5h 1j8 Canada Gmw Consulting Inc PO Box 382 Boerne TX 78006 Gmx Resources Inc 900 Nw 139Th St Parkway Edmond OK 73013 Gnell And Jerry Sundheim Lt Address Redacted Go Wireline LLC PO Box 1343 Williston ND 58801 Gods Bible School & College 1810 Young St Cincinnati OH 45202 Gods Child Project Address Redacted Godwin, Harrison Address Redacted Goecks, Keith Address Redacted Goehring & Rozencwajg Associates LLC 110 Wall St NY 10005 Goetz, Cody Address Redacted Goguen, Shawn Address Redacted GOLD COAST ENERGY 4531 SILVER GATE DR Castle Pines CO 80108 Goldade, Robert Address Redacted Golden Edge Company LLC PO Box 4204 Bismarck ND 58502 Golden Eye Resources David Warner 2580 W MAIN ST STE 200 Littleton CO 80120-4631 Golden Eye Resources LLC 5460 S Quebec St #335 Greenwood Village CO 80111 Golden Eye Resources, LLC c/o Poulson Odell & Peterson Llc Attn: Nick Swartzendruber 1775 Sherman Street #1400 Denver CO 80203 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 222 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 225 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Golden Eye Resources, LLC David Warner 2580 W MAIN ST STE 200 Littleton CO 80120-4631 5460 South Quebec Street, Suite Golden Eye Resources, LLC Kari Bleyle 335 Greenwood Village CO 80111 Golden Eye Royalties LLC 5460 S Quebec St, Ste 335 Greenwood Village CO 80111 Golden Maintenance Solutions PO Box 652 Franktown CO 80116 Golden Valley County PO Box 67 Beach ND 58621 Golden Valley County Recorder PO Box 67 Beach ND 58621 Golden Valley Properties Robert M Tescher And Elizabeth T Tescher Ind And Gen Partners Address Redacted 5460 South Quebec Street, Suite Goldeneye Resources, LLC Kari Bleyle 335 Greenwood Village CO 80111 Goldenwest Electric Co-Op Inc 119 1St Ave SW Po Box 177 Wibaux MT 59353 Goldenwest Electric Co-Op Inc Po Box 177 Wibaux MT 59353 GOLDENWEST ELECTRIC CO-OP INC PO BOX 177 Wibaux MT 59353 GOLDENWEST ELECTRIC CO-OP INC-4901 119 1ST AVE SW PO BOX 177 Wibaux MT 59353 Golder Associates Inc Lockbox 934544 Atlanta GA 31193-4544 Goldie Braaten Ttee Goldie & Harold Braaten Min Tr U/A Dtd 1/6/12 Address Redacted Goldie Kessel Address Redacted Goldline Creek LLC 1550 Market Street Suite 450 Denver CO 80202 Goldman Sachs & Co. LLC Proxy Hotline 1 30 Hudson Street Proxy Department Jersey City NJ 07302 Goldman Sachs International Asset Servicing 30 Hudson Street Proxy Department Jersey City NJ 07302

Goldman, Sachs & Co. Attn: Steve Berrios - Corporate Actions 100 Burma Road Jersey City NJ 07305 Goldman, Sachs & Co. Proxy Hotline 1 30 Hudson Street Proxy Department Jersey City NJ 07302 Golphenee, Brady Address Redacted Gomez, Davis Address Redacted Gomord Development Co Inc C/O Pamela R Wonderlin 412 Peltoma Rd Haddonfield NJ 08033-3922 Good Neighbor Fund C/O Bank Midwest 1525 18th Street Suite 100 Spirit Lake IA 51360 Good News International Trinity Christian Ministries 11980 Claude Ct Northglenn CO 80233 Good Shepherd Home Of Watford City 709 4Th Avenue Ne Watford City ND 58854 GOOD SHEPHERDS ROYALTY TRUST Address Redacted Good Shepherds Royalty Trust Dustin J Stuber & Suzanne M Young, Trustees Address Redacted 5910 N CENTRAL EXPWY STE GOODNIGHT MIDSTREAM 630 Dallas TX 75206 GOODNIGHT MIDSTREAM 5910 N CENTRAL EXPWY STE 630 Dallas TX 75206 Goodnight Midstream Attn: Grant Adams 5910 N Central Expwy Suite 630 Dallas TX 75206 Goodnight Midstream c/o Locke Lord, LLP Attn: Philip Eisenberg 600 Travis Street Suite 2800 Houston TX 77002 GOODNIGHT MIDSTREAM (FKA: 1804 OPERATING LLC) 1804 SWD LLC 5727 S LEWIS AVE, STE 300 Tulsa OK 74105 GOODNIGHT MIDSTREAM BAKKEN LLC (1804 OPERATING LLC)-4929 5910 N CENTRAL EXPWY STE 630 Dallas TX 75206 Goodnight Midstream Bakken LLC f/k/a 1804 Operating, Attn: Philip Eisenberg and Simon R. LLC c/o Locke Lord, LLP Mayer 600 Travis Street Suite 2800 Houston TX 77002 Attn: Philip Eisenberg and Simon R. Goodnight Midstream f/k/a 1804 Operating, LLC c/o Locke Lord, LLP Mayer 600 Travis Street Suite 2800 Houston TX 77002 Goodnight Water Solutions, LLC d/b/a Goodnight Attn: Philip Eisenberg and Simon R. Midstream c/o Locke Lord, LLP Mayer 600 Travis Street Suite 2800 Houston TX 77002 Goodrich Petroleum Co Of Louisiana PO Box 4438 Houston TX 77002 Goodrich Venture Ltd 1001 Fannin Suite 4670 Houston TX 77002 Goodwill Industries Of Denver 6850 N Federal Blvd Denver CO 80221 Goodwin Family Partnership Address Redacted Gooseneck Implement Address Redacted Gopher Uranium Mining Refing And Royalty Corporation PO Box 2545 4864 Boyd Ave Inver Grove Heights MN 55076 Gorda Sound Royalties LP PO Box 671099 Dallas TX 75367-1099 Gordan Reese Iii Address Redacted Gordon & Rees LLP 1111 Broadway Ste 1700 Oakland CA 94607 Gordon A Caldwell & James S Caldwell Joint Tenants James Caldwell Aif For Gordon Address Redacted Barnett Mccollam Duplantis & Eagan Gordon Arata Montgomery Llc 201 St Charles Ave 40th Floor New Orleans LA 70170-4000 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 223 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 226 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country GORDON ARATA MONTGOMERY BARNETT ATTN: JOHN Y. PEARCE 201 ST. CHARLES AVENUE 40TH FLOOR New Orleans LA 70170-4000 Gordon C Thompson Ira First International Bank & Trust Co Of Williston -Trustee Address Redacted Gordon Dale Henderson Address Redacted Gordon E & Linda M Johnson Revocable Living Trust Dtd 1/30/2012 Address Redacted

Gordon E Kaisershot & Hilary A Kaisershot Joint Tenants Address Redacted Gordon E Sanders Address Redacted Gordon E Torgerson And Yvonne Torgerson Joint Tenants Address Redacted Gordon Falcon Address Redacted Gordon Goddard Construct Inc 419 Bronco Rd Rangely CO 81648 GORDON GODDARD CONSTRUCT INC 419 BRONCO RD Rangely CO 81648 Gordon Gravgaard Address Redacted Gordon J Kostelecky Address Redacted Gordon J Settlow & Alice J Settlow JT Ten Address Redacted Gordon Kessel Address Redacted Gordon L Adamski Address Redacted Gordon L Castleman Address Redacted Gordon L Pirkl Address Redacted Gordon Lee Rasey Address Redacted Gordon M Griffin Jr Family Trust Address Redacted Gordon Mortensen Address Redacted Gordon Nicholas & Martha Louise Nicholas - Jtwros Address Redacted Gordon O Cavett Address Redacted Gordon R Mccune Jr Address Redacted Gordon S Heihn Address Redacted Gordon S Kessel & Lisa Kessel Address Redacted Gordon T Vaskey Address Redacted Gordon Treffry Sandra Qualley - Poa Address Redacted Gordon W Brenno Address Redacted Gordyne L Norby Address Redacted Gorm W Scarpholt Address Redacted Gose Family Trust Kimberly Holmes Trustee Address Redacted Goss, Peggy Address Redacted Gotham Insurance Company 156 William St Room 1202 New York NY 10038 Gott, Peter Address Redacted Gourmet To Go Address Redacted Gower Family LLC 7921 S Xenia Court Centennial CO 80112 Gower Oil & Gas LLC C/O Matthew L Gower 546 Crossing Circle Castle Pines CO 80108 Gower Resource Management LLC PO Box 644 Bellevue ID 83313 Goyne, Paul Address Redacted Gpg Inc PO Box 1107 Williston ND 58802 GPG INC PO BOX 1107 Williston ND 58802 GPOM, LLC Attn: Patricia J Idler 4900 Canyon Dr Reno NV 89519 GR ENERGY SERVICES 2150 TOWN SQ. PL. STE. 410 Sugar Land TX 77479 GR Lift LP PO Box 4346 Dept 468 Houston TX 77210-4346

GR Lift LP Attn: Jay Brown 2150 Town Square Place, Suite 410 Sugar Land TX 77479 c/o Lewis Brisbois Bisgaard & Smith, 24 Greenway Plaza, Suite GR Lift LP LLP Attn: Kent Altsuler, Esq. 1400 Houston TX 77046 GR LIFT LP DEPT 468 PO BOX 4346 Houston TX 77210-4346 GR Lift LP Dept. 468 PO Box 4346 Houston TX 77210 Graber, Keaton Address Redacted Grabow, Cody Address Redacted Grabow, Lance Address Redacted Grace A Anderson Address Redacted Grace A Roth Address Redacted Grace Hecker Hatfield Address Redacted Grace K Timms Estate Dixie R Harvey Executor Address Redacted Grace L Olsen & Roy Stanley Olsen As Joint Tenants Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 224 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 227 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Grace L Wiedeman Address Redacted Grace Landmark Life Estate Address Redacted Grace Langved Address Redacted Grace Leque Address Redacted Grace Link Family LLC Le Grace Link - President Address Redacted Grace Lutheran Church Address Redacted Grace M Brown Address Redacted

Grace M Weiske Tr Dtd 11/26/14 Grace M Weiske, Ttee Address Redacted Grace May Damm Address Redacted Grace Mccain Heidt Address Redacted Grace R Howell Daubert Address Redacted Grace Rhodes & Warren Rhodes Address Redacted Grace Robinson New Address Redacted Grace Sundsrud Berry Address Redacted Grace Sundsrud-Berry Address Redacted Grace Wealth Management LLC 2617 Cross Country Road Charlotte NC 28270 Graceton LP PO Box 10 Homer City PA 15748 GRACETON LP P O BOX 10 Homer City PA 15748 Gracia Lea Schall 621 Edith St Missoula MT 59801 Gracie E Williams C/O First National Bank Acct# 10065848001 PO Box 114 Roby TX 79543 INC DBA GRACO OILFIELD 5300 TOWN & COUNTRY GRACO FISHING & RENTAL TOOLS SERVICES BLVD STE 220 Frisco TX 75034-6890 INC DBA GRACO OILFIELD GRACO FISHING & RENTAL TOOLS SERVICES 5300 TOWN & COUNTRY BLVD STE 220 Frisco TX 75034-6890 Graco Fishing & Rental Tools Inc dba Graco Oilfield Services 5300 Town & Country Blvd Suite 220 Frisco TX 75034-6890 Grady County Clerk & Recorder PO Box 1009 Chickasha OK 73023 Graham Martin Resell Address Redacted Graham Mccloud Address Redacted Graham Nodak Oil LLC 6011 Monterra Way Scottsdale AZ 85266 GRAHAM ROYALTY, LTD. C/O CT CORPORATION SYSTEM 5615 CORPORATE BLVD. SUITE 400B Baton Rouge LA 70808 Grainger Dept 877324053 Palatine IL 60038-0001 Grainger Dept 882931470 Palatine IL 60038-0001 Grainger Dept 884632829 Po Box 419267 Kansas City MO 64141-6267 Grainger Dept 885101428 Palatine IL 60038-0001 Grainger Dept 885908181 Po Box 419267 Kansas City MO 64141-6267 Grammarly Inc 548 Market St #35410 San Francisco CA 94104

GRAMMARLY INC 548 MARKET STREET SUITE 35410 San Francisco CA 94104 Grand Hyatt Denver Address Redacted Grand Lodge Of Ancient Free & Accepted Masons Of The State Of Oklahoma PO Box 1019 Guthrie OK 73044-1019 Grand Williston Hotel 3601 2nd Ave W Williston ND 58801 Grande Communication Networks Llc Po Box 679367 Dallas TX 75267-9367 Grandhaven Energy LLC 1550 Market Street Suite 450 Denver CO 80202 Grandhaven Energy LLC 1550 Market Street, Suite 450 Denver CO 80202 GRANITE PEAK ENERGY ET AL ATTN: JOSH JAMISON 1300 VENTURE WAY SUITE 200 Casper WY 82609 Granite Peak Energy Services PO Box 51568 Casper WY 82605 GRANITE PEAK FABRICATION LLC 2291 RENAUNA Casper WY 82601 Granite Peak Fabrication LLC Attn: Derek S. Wilson 2291 Renauna Casper WY 82601 Granite Telecommunications 100 Newport Avenue Extension Quincy MA 02171 Granite Telecommunications Client Id #311 Po Box 983119 Boston MA 02298-3119 GRANITE TELECOMMUNICATIONS CLIENT ID #311 PO BOX 983119 Boston MA 02298-3119 Granli-Sanford Mineral Trust Gayle A Peterson Trustee Address Redacted Grant & Jennifer Geiszler Address Redacted Grant & Michelle Bushaw Jt Address Redacted Grant C Larsen Address Redacted Grant Cleary Sparks Address Redacted Grant D Elwood Address Redacted Grant G Hanson Address Redacted Grant Geiszler Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 225 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 228 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Grant George Howard Address Redacted Grant H & Patricia L Johnson Address Redacted Grant M & Sueann Babcock Rev Living Trust Survivors Trust Sueann Babcock Trustee Address Redacted Grant R Simon Address Redacted Grant S Anderson Address Redacted Grant T Pollock Address Redacted Grant Trenbeath Address Redacted Grant W Sande Address Redacted Graphics Products Inc PO Box 4030 Beaverton OR 97076-4090 Gravgaard Family Trust Ronelle Gravgaard Trtee Address Redacted Gravity Oilfield Services LLC PO Box 734128 Dallas TX 75373-4128 Gravity Rental & Consulting Inc Po Box 2595 Williston ND 58802 Gray Reed & Mcgraw LLP Attn: Accounts Receivable 1300 Post Oak Blvd Ste 2000 Houston TX 77056 Gray Reed & Mcgraw P C 1300 Post Oak Blvd Ste 2000 Houston TX 77056 Gray, Tyler Address Redacted Graybar Electric Company Inc 12437 Collections Center Dr Chicago IL 60693-2437 GRAYBAR ELECTRIC COMPANY INC 12437 COLLECTIONS CENTER DR Chicago IL 60693-2437 Graybar Electric Company, Inc. Amber Nicole Unverferth 8170 Lackland Rd St Louis MO 63114 Grayce Bever Estate C/O Denny M Bever Address Redacted Grayce Keller Address Redacted Grayhorse Energy LLC 20 E 5Th Street Suite 320 Tulsa OK 74103-4439 Grayrock Minerals LLC 5950 Cedar Springs Rd Ste 200 Dallas TX 75235 GREASER LLC 4900 Canyon Dr. Reno NV 89519-2908 Greaser LLC Attn: Patricia J Idler 4900 Canyon Drive Reno NV 89519-2908 Great American Drilling Partnership I 717 North Harwood Street 2940 Dallas TX 75201 Great American Exploration Corporation PO Box 701330 Dallas TX 75370-1330 Great American Insurance Group 301 E. Fourth Street Cincinnati OH 45202 Great Barrier Energy LLC 5555 Dtc Parkway Ste 310 Greenwood Village CO 80111 GREAT BARRIER ENERGY LLC 5555 DTC PARKWAY STE 310 Greenwood Village CO 80111 Great Northern Energy Inc PO Box 669 Bismarck ND 58502 Great Northern Energy Inc PO Box 6151 Bismarck ND 58506-6151 Great Northern Energy LLC PO Box 669 Bismarck ND 58502-0669 Great Northern Properties LLLP 1130 38Th Ave Ste B Greeley CO 80634 Great Northern Railway Company 2301 Lou Menk Dr Fort Worth TX 76131 Great Plains Analytical Address Redacted Great Plains Claims Address Redacted Great Plains Exploration Inc 2572 East Dunwoody Way Highlands Ranch CO 80126 Greater Missoula Family Ymca 3000 Russell St Missoula MT 59801 Greater North Dakota Chamber of Commerce Support Free Enterprise Fund 2000 SCHAFER STREET Po Box 2639 Bismarck ND 58502 Grebe Family Trust Uad 7-1-04 Edward J Grebe & Leta R Grebe Trustees Address Redacted GREBRON OIL LLC 7194 107TH AVENUE Clear Lake MN 55319 Grebron Oil LLC C/O Linnae J & Jonathan A Norberg 7194 107th Avenue Clear Lake MN 55319 Greeley Independence Stampede 600 N 14th Ave Greeley CO 80631 Greeley Weld Habitat For Humanity 104 N 16th Ave Greeley CO 80631 Green Mineral Trust Rickey J Green Trtee 4300 Yellowstone Tr Billings MT 59101 Green Mountain Minerals LLC 320 South Boston Ste 1115 Tulsa OK 74103 Green Mountain Minerals LLC 8035 W Pl Littleton CO 80128 GREEN OIL COMPANY 4520 12TH ST. NE Fessenden ND 58438 Green Oil Company LLC 4520 12Th St Ne Fessenden ND 58438 Green Oil Company LLC Cindy Melby 4520 12th St NE Fessenden ND 58438 Green Ribbon Inc 828 East Edgehill Road Salt Lake City UT 84103 Green River Energy LLC 16216 N 151st Ave Surprise AZ 85374 GREEN RIVER ENERGY RESOURCES 186 DAWN DR Columbia Falls MT 59912 Green River Water Disposal LLC PO Box 790 Red Lodge MT 59068 Green Sweep Cleaning And Maintenance Inc Po Box 273043 Ft Collins CO 80527-3043 Green Wing Royalty LLC PO Box 597 Bismarck ND 58502 GREENBERG TRAURIG 333 SE 2ND AVENUE SUITE 4400 Miami FL 33131 Greenberg Traurig LLP 1200 17th Street Suite 2400 Denver CO 80202 Greenbox Self Storage II 2424 Delgany Street Denver CO 80216 GREENERGY SYSTEMS LTD 9 GREENWAY PLAZA, SUITE 1260 Houston TX 77046 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 226 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 229 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country GREENERGY SYSTEMS LTD-3429 9 GREENWAY PLAZA, SUITE 1260 Houston TX 77046 Greenhead Energy Inc PO Box 4204 Bismarck ND 58502 GREENHEAD ENERGY INC PO BOX 4204 Bismarck ND 58502 Greenstar Resources LLC PO Box 721930 Norman OK 73070 GREENSTAR RESOURCES LLC 770 W ROCK RD Norman OK 73019 Greenstar Resources Operating PO Box 721930 Norman OK 73070 Greenwood Elementary Ptco Address Redacted Greer Services PO Box 51874 Casper WY 82605 Greg & Nancy Vance Family LP C/O Prod Gathering Co LP 8150 N Central Expwy Ste 1475 Dallas TX 75206 Greg A & Kathy R Schneider Joint Tenants Address Redacted Greg A Berg And Cindy J Berg Address Redacted Greg A Larson Address Redacted Greg A Pauly Address Redacted Greg Anderson Address Redacted Greg Brower Address Redacted Greg D Koetje Address Redacted Greg Ditsworth Address Redacted Greg Grengs And Lisa Grengs Joint Tenants Address Redacted Greg Hauge Address Redacted Greg J Erickson & Ardis F Erickson Address Redacted Greg Kessel Address Redacted Greg Keys Address Redacted Greg Kilzer Address Redacted Greg L Crawford Address Redacted Greg Lien Address Redacted Greg Loken Address Redacted GREG LOKEN AND BETH LOKEN Address Redacted Greg Odermann Address Redacted Greg R Thome Address Redacted Greg W Hennessy Address Redacted Gregg A Havelka Address Redacted Gregg B Colton Address Redacted Gregg Halverson Address Redacted Gregg Jacobs Address Redacted Gregg M Hughes Address Redacted Gregg M Patten Address Redacted Gregg Oversen Address Redacted Gregg Talbert LLC 7314 S Downing Circle W Centennial CO 80122 Greggrey S Homme Address Redacted Gregory & Cindy Elliot Address Redacted Gregory & Rose Marie Migliore Address Redacted Gregory A & Priscilla Rinehart Address Redacted Gregory A Frey Address Redacted Gregory A Hays Address Redacted Gregory A Hopkins Address Redacted Gregory A Kowalski Address Redacted Gregory Allen Thompson Address Redacted Gregory Anderson Address Redacted Gregory Bone Address Redacted Gregory C Wollan Address Redacted Gregory C Zem Address Redacted Gregory Charles Mahtook Address Redacted Gregory D & Julie K Ransier Jt Address Redacted Gregory D Gunderson Address Redacted Gregory D Jacobson Address Redacted Gregory Deboer Address Redacted Gregory Duane Jacobson Address Redacted Gregory E Johnson Address Redacted Gregory Feehan Address Redacted Gregory Gallina Address Redacted Gregory Glen Mcmanus Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 227 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 230 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gregory J Alfson Address Redacted Gregory J Samson Address Redacted Gregory John Grimes Address Redacted Gregory K Fossum Address Redacted Gregory K Iverson Address Redacted Gregory Kenow Address Redacted Gregory Kessel & Gordon Kessel Address Redacted Gregory L Haugen Address Redacted Gregory Laird Cashen 1999 Trst Regions Bank Acct No 439039009 PO Box 11566 Birmingham AL 35202 Gregory Laird Cashen 2002 Trst Gregory Laird Cashen Ttee Address Redacted Gregory Langsdorf Address Redacted Gregory N Ellvanger Address Redacted Gregory N Tewes Address Redacted Gregory P Mayo Address Redacted Gregory P Wright & Charlotte A Wright, J/T Address Redacted Gregory Page Address Redacted Gregory Paul Ross Address Redacted Gregory R. Staats Address Redacted Gregory Rolla Address Redacted Gregory S Abell Address Redacted Gregory S Hoffman Address Redacted Gregory Sheehan Address Redacted Gregory T Benner Address Redacted Gregory Thiel Address Redacted Gregory Williams Address Redacted Gregs Welding Inc PO Box 1807 Gillette WY 82717 Greig, Steven Address Redacted Greli N Less Frost National Bank Account No Fb741 PO Box 1600 San Antonio TX 78296-1600 Grep Iii - A Bakken LLC 2911 Turtle Creek Blvd Suite 1150 Dallas TX 75219 GREP III - A BAKKEN LLC 2911 TURTLE CREEK BLVD SUITE 1150 Dallas TX 75219 Grep Iii - B Bakken LLC 2911 Turtle Creek Blvd Suite 1150 Dallas TX 75219 GREP III - B BAKKEN LLC 2911 TURTLE CREEK BLVD SUITE 1150 Dallas TX 75219 Grep William LLC 2911 Turtle Creek Blvd Ste 1150 Dallas TX 75219 GREP WILLIAM LLC 2911 TURTLE CREEK BLVD STE 1150 Dallas TX 75219 Grep Wolverine LLC 2911 Turtle Creek Blvd Ste 1150 Dallas TX 75219 GREP WOLVERINE LLC 2911 TURTLE CREEK BLVD STE 1150 Dallas TX 75219 Greta J Stockwell Address Redacted Greta M Privratsky Address Redacted Gretch, Damon Address Redacted Gretch, Dennis Address Redacted Gretchen A Wester Address Redacted Gretchen B Nearburg Address Redacted Gretchen C Cummings Address Redacted Gretchen Frahm Address Redacted Gretchen J Bertsch Address Redacted Gretchen L Snyder Revocable Trust Dtd 11-8-88 Jennifer T Pierson - Trustee Address Redacted Gretchen L Vincent Address Redacted Gretchen Poppler Address Redacted Gretchen V Folson Address Redacted Gretchen Virk Address Redacted Gretchen Wendegatz Sater Address Redacted Gretel Steiger Incorrect Address Bannmattstrasse 36 Schopfheim 79650 Germany Grey Bull Royalty Company LLC 9403 Cubs Den Dr Littleton CO 80127 Grey Rock Commodore LLC 2911 Turtle Creek Blvd Ste 1150 Dallas TX 75219 Greybull Building Center LLC 617 1st Avenue South Greybull WY 82426 Greyrock Cementing Inc PO Box 1751 Vernal UT 84078 Gribbon Family Revocable Trust Carol R Gribbon - Trustee Address Redacted Griffin Entertainment LLC 341 Taylor Ave Rochester MI 48307 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 228 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 231 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Griffin Ricker Trust Michael Thomas Ricker & Jennifer C Gibbs - Co-Trustees Address Redacted Griffon & Griffon Enterprises Inc 4649 Dixie Farm Rd Pearland TX 77581 GRIGSBY & HEREDEEN Address Redacted Grill Management LLC 1208 30th Ave Se Minot ND 58701 Grinder Family Tr Dtd 4-9-08 Joel David Grinder & Marcia Lee Grinder Co-Ttees Address Redacted GRISBY & HERENDEEN Address Redacted Grizzly Nrg LLC 5300 Stone Lake Gillette WY 82718 Gros Venture LLC 1675 Broadway Ste 2800 Denver CO 80202 Gros Venture LLC 1675 Broadway, Ste 2800 Denver CO 80202-4628 Gross Resources LP Fdr Station Po Box 945 New York NY 10150 Grosz, Jay Address Redacted Groth Family Trust Shirley Groth, Trustee Address Redacted GROUND TRUTH CONSULTING LLC 1 WORLD TRADE CTR STE 60 New York NY 10007 Groupe Sharegate Inc 1751 Richardson Street Suite 5400 Montreal QC H3K 1G6 Canada GROUPE SHAREGATE INC DBA: SHAREGATE 1751 RICHARDSON STREET SUITE 5400 Montréal QC H3K 1G6 Canada Groupware Technology 541 Division St Campbell CA 95008 Grove Royalty Company LLC 608 North Main Street Midland TX 79701 Grover A Crafton Estate Address Redacted Grover Meisch Estate Address Redacted Growing Home Inc 3489 W 72nd Ave Ste 112 Westminster CO 80030-5314 Grp Energy LP 5956 Sherry Ln Ste 1221 Dallas TX 75225 Gsa LLC 33755 N Scottsdale Rd #110 Scottsdale AZ 85266 Gsp Capital LLC 10609 Turtle Creek Ln Frisco TX 75035 GST Casing Inc Melvin J Hawley 5033 Jackson Street Williston ND 58801 Gst Casing Inc PO Box 2104 Williston ND 58802 G-Style Transport LLC Melvin J Hawley 5033 Jackson Street Williston ND 58801 G-Style Transport, LLC; GST Casing, LLC; and All In Oil c/o Shapiro Bieging Barber Otteson 5430 Lyndon B Johnson Field Services; LLC LLP Attn: John C. Leininger Freeway Suite 1540 Dallas TX 75240 Gt Reed & Associates LLC 17737 E Belleview Pl Centennial CO 80015 GT REED & ASSOCIATES LLC 17737 E BELLEVIEW PL Centennial CO 80015 Guadalupe Energy Ltd PO Box 52608 Midland TX 79710 Guadalupe Land & Minerals LLC 17521 Arratia El Paso TX 79938 Guadalupe Royalties PO Box 660082 Dallas TX 75266-0082 Guardian & Protective Services Ttee North Dakota Pooled Trust Fbo Richard L Starck 3801 Lockport Street Suite 4 Bismarck ND 58503 Guardian Pest Solutions Inc 3131 Halvor Lane Superior WI 54880 Gude, Benjamin Address Redacted Gudmund Bentsen C/O Kenton Onstad Poa Address Redacted Gudrun Grace Address Redacted Gudrun Haugerud Address Redacted Guffey Family Trust William C Herndon Co Trustee Gilbert Todd Bright Co Trustee Address Redacted Guida Peterson Family Trust Address Redacted

Guida Peterson Family Trust Theodore Peterson, Trustee Address Redacted Guinn Family LP 1102 E Jasper Dr Gilbert AZ 85296-4244 Guinn Revocable Living Trust Address Redacted Guisinger, Mary Address Redacted Gulf Coast Lease Service Inc PO Box 1541 El Campo TX 77437 Gulf Coast Oil & Gas Company PO Box 1684 Midland TX 79702 Gulf Coast Oil And Gas Co PO Box 1684 Midland TX 79702 Gulf Coast Weed Control LLC PO Box 368 Refugio TX 78377 GULF SOUTH PIPELINE COMPANY, LP 9 GREENWAY PLAZA, SUITE 2800 Houston TX 77046 GULFMARK PO BOX 844 Houston TX 77001 GULFMARK ENERGY INC 5 POST OAK PARK SUITE 2700 Houston TX 77027 GULFMARK ENERGY, INC. 1600 STOUT ST SUITE 1200 Denver CO 80202 GULFMARK ENERGY, INC. 5 POST OAK PARK SUITE 2700 Houston TX 77027 C/O Gulfport Energy Corporation Patrick K. Craine, General Counsel & Gulfport Energy Corporation Corporate Secretary 3001 Quail Springs Parkway Oklahoma City OK 73134 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 229 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 232 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Gullett, Robert Address Redacted Gunlikson Petroleum Inc 17 Brookhaven Trail Littleton CO 80123 Gunnar Meiers Address Redacted Gunsmoke Production Company 1720 Wazee St Suite 2E Denver CO 80202 GUNSMOKE PRODUCTION COMPANY 1720 WAZEE ST SUITE 2E Denver CO 80202 Gunther, Nancy Address Redacted Gunwall, Ronald Address Redacted Gus F Haynes Life Estate Address Redacted Gus F Lindemann Address Redacted Gus F Lindemann & Marian K Lindemann Living Trst Dtd January 15, 1996 Address Redacted Gus M Albert Address Redacted Gussie Harley Address Redacted Gust, Calsey Address Redacted Gustafson Septic Service Inc 6746 Hwy 8 Stanley ND 58784 Gustafson Septic Service Inc 6746 Hwy 8 Stanley ND 58784 Gustafson Septic Service, Inc. Jared Gustafson 6746 Highway 8 PO Box 587 Stanley ND 58784 Gustava E Carlson & Barbara Carlson, Tic Address Redacted Guthrie Hard Hat G LP 611 South Main Street Big Spring TX 79720 Guthrie Minerals LP 611 South Main Street Big Spring TX 79720 Guy C Jeffres Address Redacted Guy F Stovall Jr Address Redacted Guy Gerald Rudes Address Redacted Guy Howie Address Redacted Guy Lamoreux Address Redacted Guy Or Marian Paige Address Redacted Guy P Tangedahl Address Redacted Guy W Clatterbuck Address Redacted Guy William Hagen Address Redacted Guyton Stokes Morris LLC 2118 Fernleaf Lane Florence SC 29501 Guzman, Raymond Address Redacted Gv & A LLC 500 W 2nd St Ste 1900 #29 Austin TX 78701 GV & A LLC 500 W 2ND ST STE 1900 #29 Austin TX 78701 Gw Holdings Inc PO Box 121938 Fort Worth TX 76121 Gwen A. Johnson Address Redacted Gwen F Giles Address Redacted Gwen Keyes Family Trust Address Redacted Gwen M Howard Address Redacted Gwen Sauvageau Address Redacted Gwenda Johnson Address Redacted Gwendolyn Jensen Address Redacted Gwendolyn S Stanley Address Redacted Gwenlyn Marsh Address Redacted Gwenn J Roberts Address Redacted Gweno Rees De Jones Address Redacted Gwydion Seanan Forbes Agency Bank Of America #3001100092114 P O Box 840738 Dallas TX 75284-0738 Gwyn Reese Address Redacted Gwyneth Jones D Williams Address Redacted Gyrodata Inc PO Box 650823 Dept 41240 Dallas TX 75265 Gyrodata Incorporated 23000 Nw Lake Dr Houston TX 77095

Gyrodata Incorporated C/O Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 H & E Resources LLC 1319 High Creek Road Bismarck ND 58503 H & E RESOURCES LLC 1319 HIGH CREEK ROAD Bismarck ND 58503 H & H Electric Inc PO Box 2167 Williston ND 58801 H & H Versatile Services Inc PO Box 1145 Vernal UT 84078 H & H VERSATILE SERVICES INC-2107 PO BOX 1145 Vernal UT 84078 H & L Lee Family Trust Harding Lee & Linda Lee Trustees Address Redacted H & W Auto Supply, LLC P O Box 702 Stephens AR 71764 H 1 Holdings LLC PO Box 3008 Bismarck ND 58502 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 230 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 233 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country H A Lee & Assoc Oil & Gas Inc Address Redacted H B Brown Address Redacted H B Robb Iii Address Redacted H C Ferguson Jr Address Redacted

H Christopher Brumder C/O W J Kiernan Foley & Lardne Address Redacted H Clark Talkington Address Redacted H Clark Talkington & Cassandra Talkington, Jtwros Address Redacted H Dennis & Susan L Hoffelt Joint Tenants Address Redacted H Dennis Hoffelt Address Redacted H E Linam Jr Investments LLC C/O Wayne Wilson, Agent PO Box 3777 Pagosa Springs CO 81147 H G Huncz Clk Company 2900 Weslayan St Ste 125 Houston TX 77027 H G Trust Nominee Address Redacted H Huffman & Co Address Redacted H J Kennedy Address Redacted H J MOHLENHOFF Address Redacted H Jay Robitshek Address Redacted H Jay Sissel Address Redacted H Joe Nelson Iii Address Redacted H Kitchener Layland Jr Living Trust Address Redacted H Knudsen C/O M Russel Poa Address Redacted H L Brown Operating LLC Attn Accounting Dept PO Box 2237 Midland TX 79702-2237 H L BROWN OPERATING LLC ATTN ACCOUNTING DEPT PO BOX 2237 Midland TX 79702-2237 H L Brown Operating LLC Attn Accounting Dept PO Box 2237 Midland TX 79702-2237 H L Fairchild Address Redacted H L FAIRCHILD Address Redacted H L Hawkins Jr Estate Hawkins H L III & Lovell J Jr Co- Executors Address Redacted H L Moore Estate Evelyn Irene Moore Ind Exectrx Address Redacted H Lee And Deborah J Norby Jt Life Estate Address Redacted H Lynn Morgan Address Redacted H Lynn Morgan Life Estate Address Redacted H Lysne Address Redacted H Mae Butts Address Redacted H N Rhodes Pe LLC 4118 Heatherhill Circle Longmont CO 80503 H N Rhodes Pe LLC 4118 Heatherhill Circle Longmont CO 80503 H P Mandal And Associates Inc PO Box 154 Woodburn OR 97071 H S Swan Address Redacted H S SWAN Address Redacted H S Winston Trust Address Redacted H Suzanne Lindsay Bradshaw Address Redacted H T Bennett Iii Address Redacted H THOMAS MORAN Address Redacted H Thomas Moran Dba Wilshire Oil Gp 521 W Wilshire Ste 200 Oklahoma City OK 73116 H&B Petroleum Consultants PO Box 847 Mills WY 82644 H&L Rental & Well Service Inc PO Box 667 Eufaula OK 74432 H&N Oil Well Cementing Co Inc 318 S Wyatt Drive El Dorado AR 71730 H&S RESOURCES Address Redacted H.H. Hester Estate Address Redacted H1 Holdings LLC PO Box 3008 Bismarck ND 58502-3008 H-2 Enterprises LLC 4626 County Rd 65 Keenesburg CO 80643 H2E Incorporated 808 N Main St Spearfish SD 57783 H5 Minerals LLC PO Box 171139 Salt Lake City UT 84117 Habitat For Humanity Of Metro Denver 3245 Eliot Street Denver CO 80211-3287 Hackley Family Montana Royalties LLC David A Thompson Mgr 1060 S Central Ave Ste 1 Sidney MT 59270 Haddad & Brooks Inc PO Box 776 Washington PA 15301 HADDAD & BROOKS INC PO BOX 776 Washington PA 15301 Haddeland, Jace Address Redacted Hadley Minerals LLC 1804 Greystone Dr Billings MT 59102 Haefele, Richard Address Redacted Haenni LLC PO Box 1907 Cleveland GA 30528 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 231 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 234 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Hafeman Family Trust Diana M Hafemann & Harvey R Hafeman Ttees Address Redacted Hafer Trust Dianne W Hafer, Trustee Address Redacted Hagen Family Minerals LLLP 210 Derrickson St Bear DE 19701 Hagen Rev Liv Tst Dtd 9-13-12 Sherry L & Arden C Hagen Ttees Address Redacted Hagen, Edmond Address Redacted Hagen, Eric Address Redacted Hagen, James Address Redacted Hagey Mineral LLC PO Box 72987 Fairbanks AK 99707 Haghiri, Erica Address Redacted Hagist, Peter Address Redacted Hagman Trucking Inc 6729 W Lake Borem Rd Myton UT 84052 HAGMAN TRUCKING INC 6729 W LAKE BOREM RD Myton UT 84052 Hagman Trucking Inc Address Redacted Hagop Ohannessian Address Redacted Hague Equipment Co Of Michigan Inc Po Box 771864 Detroit MI 48277-1864 Hahnenberg, Wilson Address Redacted Haihong Yang Address Redacted Haimo Oil & Gas LLC 2901 Wilcrest Dr Ste 285 Houston TX 77042 HAIMO OIL & GAS LLC 2901 WILCREST DR STE 285 Houston TX 77042 Hair Family Limited Partnership PO Box 8122 Midland TX 79708-8122 Hal B Koerner Jr Trust Hal B Koerner Jr & Diane Lynn Koerner, Co-Trustees Address Redacted Hal S Elkins C/O Jeri Down-Jones Address Redacted Halbert, Brent Address Redacted Halcon Resources Operating Inc 100 Louisiana Ste 6700 Houston TX 77002 Halcon Resources Operating Inc -Jib Po Box 203870 Dallas TX 75320-3870 Halcon Williston I LLC C/O Halcon Resources Corporation PO Box 203848 Dallas TX 75320-3848 Haldorson & Sons Inc 1014 Cherry Orchard Loop Hamilton MT 59840 Halker Consulting LLC 7936 E Arapahoe Ct Ste 3200 Centennial CO 80112 Hall Family Trust Lois J & Larry G Hall, Ttees PO Box 2722 Silverdale WA 98383 Hall Trucking Inc PO Box 468 Dickinson ND 58602 Hall, Destin Address Redacted Hall, Karen Address Redacted Hall, Marcus Address Redacted Hall, Mason Address Redacted Halliburton Energy Services PO Box 301341 Dallas TX 75303-1341 HALLIBURTON ENERGY SERVICES PO BOX 301341 Dallas TX 75303-1341 Halliburton Energy Services Inc Attn: Jeff Miller 3000 N. Sam Houston Pkwy E. Houston TX 77032 Halliburton Energy Services, Inc. c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Halliburton Energy Services, Inc. 3000 N. Sam Houston Pkwy E Houston TX 77030 HALLIBURTON ENERGY SERVICES-113 PO BOX 301341 Dallas TX 75303-1341 Hallingstad, Sally Address Redacted Halo Compressor Solutions LLC 2711 W Hillmont Rd Odessa TX 79764-1760 Halston C West Address Redacted Halverson Family Trust Norman L & Marian J Halverson Co-Trustees Address Redacted Halverson Living Trust Kay A Halverson Trustee Address Redacted Halverson, Melissa Address Redacted Halvorson Oil Properties LLC PO Box 1613 Goldendale WA 98620 Hamill Energy Company - Cbh Houston TX Hamilton Consulting Inc 1160 Harmon Way Bozeman MT 59718 Hamilton Consulting INC Nicholas F Hamilton 1160 Harmon Way Bozeman MT 59718 Hamilton Enterprises Central, LLC PO Box 1706 Williston ND 58802 Hammack Oil Ltd 4925 Greenville Ave Ste 1150 Dallas TX 75206 Hammer Holdings Inc 3529 21st St Se Minot ND 58701 Hammonds Passive Lp & Gary Hoskins 101 E Park Blvd Lb 63 Suite 1039 Plano TX 75074 Hampton L Edwards & Lurie A Edwards JT Ten Address Redacted Hamre Family Minerals Trust Owen Hamre Trustee Address Redacted Hanco A Mt General Partnership PO Box 1555 Billings MT 59103 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 232 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 235 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Hancock Enterprises PO Box 2527 Billings MT 59103 HANCOCK ENTERPRISES Address Redacted Haney, Wesley Address Redacted Hanh M Nguyen Address Redacted Hank Berry Address Redacted Hank Steffan Address Redacted Hanna, Patrick Address Redacted Hannah Grundeson Address Redacted Hannah Snyder Kurt Address Redacted Hannah Subrey Address Redacted Hanni J Deegan Address Redacted Hans Kraut Address Redacted Hans Steiger Estate Address Redacted Hansen Living Trust Dtd 8/13/12 - Donald L & Tricia C Hansen - Trustees Address Redacted Hanson Lumber Company Inc PO Box 115 Beach ND 58621 Hanson, Chad Address Redacted Hanson, Darrin Address Redacted Hanson, Jade Address Redacted Hanson, Jason Address Redacted Hanson, Klayton Address Redacted Hanson, Tyrell Address Redacted Hap Land LLC 5810 Wilson Road Ste 270 Humble TX 77396 Hapip Investments LLC 8315 S Homestead Ln Tempe AZ 85284 HAPIP INVESTMENTS LLC 8315 S HOMESTEAD LN Tempe AZ 85284 Harald Thompson Address Redacted Harand Properties LLP 2534 Central Ave Augusta GA 30904 Harand Properties LLP PO Box 2985 Augusta GA 30914-2985 Harbison Fischer Inc 901 N Crowley Rd Crowley TX 76036 HARD LUCK ATTN: KENT FETZER PO BOX 1435 Bismarck ND 58502-1435 HARD LUCK OIL PROPERTIES LLC ATTN: KENT FETZER PO BOX 1435 Bismarck ND 58502-1435 Hard Luck Oil Properties LLC Attn: Kent Fetzer PO Box 1435 Bismarck ND 58502-1435 Hardy D Brogoitti Address Redacted Hardy M Nameniuk Address Redacted Hardy Mineral Partnership 13265 Hwy 200 Fairview MT 59221 Hardy Properties LLC 1173 Hwy 528 Wolf Point MT 59201 Hardy Properties LLC 1173 Mt Hwy 528 Wolf Point MT 59201 Harlan & Evelyn Lahti Jt Address Redacted Harlan & Evelyn Lahti L/E Address Redacted Harlan And Marilyn A Skavlem Address Redacted Harlan E Widholm Address Redacted Harlan L & Kay D Hayes As Ttees Of The Harlan L & Kay D Hayes Family Address Redacted Harlan L & Kay D Hayes Family Trust Kay D Hayes - Trustee Address Redacted Harlan L Welch Address Redacted Harlan Loffelmacher Address Redacted Harlan Rolla Sr Mineral Trust Carol E Abbey Trustee Address Redacted Harlan Schnell-brakeley Address Redacted Harlan Simonsen Address Redacted Harlan Sipe Address Redacted Harlan Vogel Address Redacted Harland S And Theresa M Bolkan Address Redacted Harland S Bolkan Address Redacted Harleen Sandhu Address Redacted Harlen E Lindbo Address Redacted Harlena K Lowenstein C/O Wells Fargo Bank Texas Na Og&M Administration PO Box 41779 Austin TX 78704 Harlena Lowenstein Address Redacted Harlene G Cole Address Redacted Harley Binde Estate Duane Binde, Per Rep Address Redacted Harley C Routledge Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 233 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 236 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Harley D Leverenz Address Redacted Harley D. Fink & Jacqualyn L. Fink Address Redacted Harley Huff Address Redacted Harley Joseph Wilson Trust Dtd 12-14-90 Harley J & Irene A Wilson - Tr Address Redacted Harley Joseph Wilson Trust Dtd 12-14-90 Harley J Wilson & Irene A Wilson, Trustees Address Redacted Harley Nealey Address Redacted Harley R Siira Address Redacted Harley Rhodes Address Redacted Harlow & Annabelle Bieber Rev Trust Utd February 15, 2007 Harlow & Annabelle Bieber Ttee Address Redacted Harlow Royalties Ltd 22499 Imperial Valley Drive Houston TX 77073-1173 Harlyn C Oppeboen & Myrtle A Oppeboen Ttees Harlyn C Oppeboen Living Tr Address Redacted Harman, Charles Address Redacted Harman, Michael Address Redacted Harmon Holdings LLC C/O David W Harmon 8500 Saddle Mountain Road Bozeman MT 59715 Harms & Leier Ltd PO Box 895 Bismarck ND 58502-0895 HARMS & LEIER LTD PO BOX 895 Bismarck ND 58502-0895 Harold & Karen Sprague Ttees Sprague 2009 Rev Living Trust Address Redacted Harold B & Eva L Holden Liv Tr Address Redacted Harold B Pankowski Address Redacted Harold Coldewey Address Redacted Harold D Brigham & Karen Brigham Address Redacted Harold D Williams Address Redacted Harold Dahl Address Redacted Harold Detienne Address Redacted Harold E Postlewait Address Redacted Harold F Wehrung Address Redacted Harold Frederickson Address Redacted Harold H Herberger Jr Address Redacted Harold H Jones Iii Address Redacted Harold Henry Dschaak Address Redacted Harold Hugelen Address Redacted HAROLD I TOFTE Address Redacted Harold J Neff And Lois J Neff Address Redacted Harold Jorgensen Address Redacted Harold L Johnson Jr. Address Redacted Harold L Myers Trustees Of The Harold L Myers Address Redacted Harold Larson Address Redacted Harold Liddell Address Redacted Harold Loffelmacher Address Redacted Harold Lorenz Address Redacted Harold M & Myrna R Monson Joint Tenants Address Redacted Harold M Helland Address Redacted Harold M Helland And Charlene E Helland Jt Address Redacted Harold M Monson Address Redacted Harold Magnuson Address Redacted Harold Martinson Address Redacted Harold Mondry Address Redacted Harold Nesseth - Deceased C/O Margarita Nesseth Address Redacted Harold P And Helen Odermann Joint Tenants Address Redacted Harold Propp Address Redacted Harold R Cline Address Redacted Harold R Huffman Address Redacted Harold R Tregilgas Estate Address Redacted Harold R Webb Address Redacted Harold Ronald Berg Address Redacted Harold Rud Estate Address Redacted Harold Schlothauer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 234 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 237 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Harold Schlothauer & Loretta Schlothhauer J/T Address Redacted Harold Storsteen Address Redacted Harold Thogersen Trustee Of Patricia J Thogersen Test Trst Address Redacted Harold Thompson Address Redacted Harold Toft Address Redacted Harold Tregilgas Address Redacted Harold Van Alstine Address Redacted Harold Veronda Jr Address Redacted Harold W Broome III Special Needs Trust Mary Beeler Ttee Address Redacted Harold W Everson Estate C/O Candace J Fahy Address Redacted Harold W Hagen Jr Address Redacted Harold Wehrung Life Estate Address Redacted Harper Minerals LLC Address Redacted Harper, Lynae Address Redacted HARRELL J TIPPITT Address Redacted Harriet And K James Mcdonnell Address Redacted Harriet Blilie Address Redacted Harriet Bye Aka Harmony Bye Address Redacted Harriet J Oberg Address Redacted Harriet J Smith Address Redacted Harriet L Wieber Montana Department Of Revenue Case No: Dv-15-3 Address Redacted Harriet Langley - Deceased C/O Dennis Langley - Pr Address Redacted Harriet Mortenson Address Redacted Harriet N Mcclelland Irrev Tr Dtd 10/24/13 Wendy D Gepner Co-Trustee Address Redacted Harriet S Karrib Int Vivos Tr Harriet S Karrib, Trustee Address Redacted Harriet Shafer Brown Address Redacted Harriet Storoe Life Estate Address Redacted Harriet Sundsrud Estate Grace Sundsrud-Berry Personal Rep Address Redacted Harriette C Cook Irrev Tr Jeffrey D Cook Ttee Address Redacted Harriette Rebsom Address Redacted Harrington & Bibler Inc PO Box 1195 Kalispell MT 59903 Harrington Brothers Vt LLLP 12704 Myrtle Circle Hopkins MN 55305 Harrington Cancer And Health Foundation 500 S Taylor Ste 603 Unit 223 Amarillo TX 79101 Harris & Louis Anderson Family Mineral Tr Dtd 2-10-2006 Amer State Bk & Tr, Co-Ttee Address Redacted Harris County Tax Assessor - Collector Ann Harris Bennett Po Box 4622 Houston TX 77210-4622 Harris K Pfeiffer Address Redacted Harris R Fender Jr Address Redacted Harris R Fender Jr Gst Exempt A Trust Address Redacted Harris R Fender Jr Gst Non-Exempt A Trust Address Redacted Harris T Lee Address Redacted Harris, Alec Address Redacted Harris, Kevin Address Redacted Harris, Matthew Address Redacted Harrison Jr James And Thomas Gruschus Trust,Harrison J Gruschus Trustee Address Redacted Harrison Leon Church Address Redacted Harrison, William Address Redacted Harrow Royalties LLC 1800 Glenarm Pl # 701 Denver CO 80202 Harroz, Leah Address Redacted Harry A Miller Iii Address Redacted Harry A Miller Jr Estate Harry A Miller III Ind Execut Address Redacted Harry C. Gray III Address Redacted Harry D Friedrick Address Redacted Harry E Nelson Address Redacted Harry F Prest William Frank Reker Co-Trstes Of Harry O & Lydia Frank Trust Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 235 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 238 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Harry F Prest William G Reker & Donn Skadeland Co- Trustee Of Harry O & Lydia L Frank Trust Address Redacted

Harry F Roche Family Harry F Roche & Lorraine Roche Address Redacted Harry Fendrich Address Redacted Harry G & Mary J Hadler Address Redacted Harry H Stuart Living Trust Dtd August 13, 1997 Ruth H Stuart & Harry H Stuart Iii, Trustees Address Redacted Harry James Jacobsen Address Redacted Harry L Jones II Trust Dtd 8/10/95 H L Jones II & L B Jones Ttees Address Redacted Harry L Wirick Jr Trustee Margaret S Wirick Trust Dated 8/26/97 Address Redacted Harry Letts Address Redacted Harry Mazurkiewicz Address Redacted Harry T Nicolai Investment Co Address Redacted Harry W Hitt Address Redacted HARSTAD FARMS, LLLP 8048 58TH ST NW Stanley ND 58784 HARSTAD TRUCKING 6680 NW Plaza ND 58771-9490 Harstad Trucking Address Redacted Hart Energy Publishing Lllp PO Box 301405 Dallas TX 75303-1405 Hart Operating Fund PO Box 10725 Knoxville TN 37939 Hart Rev Trst Gary D Pickens Suc Trste Address Redacted HARTFORD LIFE AND ACCIDENT INSURANCE CO. (THE HARTFORD) ONE HARTFORD PLAZA Hartford CT 06155 Hartstrom Family Irrev Dynasty Trust Dtd 12/20/12 Keith R Hartstrom, Steve A Hartstrom, Address Redacted Hartstrom Holdings LLC 6525 Baroque Ave Las Vegas NV 89139 Hartz Energy Capital LLC PO Box 28526 New York NY 10087-8526 Harvard J And Faye Nichols Joint Tenants Address Redacted HARVEST ENERGY 2230 RTE 10 Morris Plains NJ 07950 HARVEST ENERGY INC 2960 CENTER GREEN CT Boulder CO 80301 HARVEST ENERGY, INC. C/O OXBOW CORPORATION 1601 FORUM PLACE West Palm FL 33401 Harvest Gas Management LLC Attn: Deane C Foss 10050 Bayou Glen Road Houston TX 77042 Harvest Oil Company LLC 2405 West 4 J Rd Gillette WY 82718 Harvey & Doris Olson Minrl Tr Udt 01/30/09 Myron H Olson & Wanda M Steen Trustees Address Redacted Harvey A Lee And Patricia Lee Address Redacted Harvey A. Martin Address Redacted Harvey D Van Heel C/O Marty Van Heel Address Redacted Harvey Frederickson Address Redacted Harvey H Howell Address Redacted Harvey Hovland C/O Lowell A Breiland Address Redacted Harvey John Selby Address Redacted Harvey Link Address Redacted Harvey Mae Mullan Address Redacted Harvey N Frank Address Redacted

Harvey O Thompson Survivor Trust Attn: Joan Thompson Address Redacted Harvey P Steffek Address Redacted Harvey Royalty Partners LP PO Box 25252 Dallas TX 75225-5252 Harvey Stevens Address Redacted Harvey Stevens And Loretta Stevens Joint Tenants Address Redacted Harvey W And Helen Rossmiller Address Redacted Harvey, Charity Address Redacted Harvey, Cody Address Redacted Harvey-Archer Properties Ltd PO Box 8206 Wichita Falls TX 76307-8206 Hasco Industrial Supply Inc PO Box 729 Worland WY 82401 Haskell J G Whitmire Address Redacted Hasley R Brant Montana Department Of Revenue Case No: Dv-15-3 PO Box 5805 Helena MT 59604-5805 Hassie Hunt Exploration Co 1601 Elm Street Suite 4700 Dallas TX 75201-4782 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 236 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 239 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Hasson Properties LLC Manon Mcmullen Manager 2200 Berkeley Drive Wichita Falls TX 76308 Hat Creek Oil & Gas, Inc 7348 Ute Highway Longmont CO 80503 Hat Creek Royalty Ltd 400 W Illinois Ste 1070 PO Box 3240 Midland TX 79702 Hatch Oil And Gas LLC PO Box 171139 Salt Lake City UT 84117 Hatcher, Heath Address Redacted Hatcher, Ricky Address Redacted Hatfield & Company Inc PO Box 910862 Dallas TX 75391-0662 Hathaway Rev Trust Dtd 12-6-07 Kenneth Fay Hathaway And Nancy Jo Hatheaway Trtees Address Redacted Hatsel Simpson Estate Mark T Elliott Personal Rep Address Redacted Hattie A Evoniuk Address Redacted HATTIE H FROEHLICH Address Redacted Haubenreiser Family Trust Daniel E & Carol A Haubenreiser - Trustees Address Redacted Haugeberg, Mitchael Address Redacted Haul Lass LLC 620 7th St Sw Sidney MT 59270-4914 Hauptman Royalty Partnership PO Box 2235 Billings MT 59103 Hauptman, Keelen Address Redacted Hausmann Motorsports LLC PO Box 13033 Grand Forks ND 58208-3033 Haven Eugene Burk Address Redacted Haven Mineral And Royalty PO Box 50760 Midland TX 79710-0760 Havern School 4000 S Wadsworth Blvd Littleton CO 80123 Havers Family Trust Dtd 11/16/04 Roxanne Havers Ttee Address Redacted Hawes, Kimberly Address Redacted Hawk Investments PO Box 1353 Arvada CO 80001 Hawkeye Oilfield Supply LLC PO Box 429 Gillette WY 82717-0429 Hawkeye Resources Inc PO Box 270992 Houston TX 77277 Hawkins Exploration Inc PO Box 3192 Midland TX 79702-3192 Hawksworth Properties LLC Address Redacted Hay Creek Resources LLC 1611-11Th Ave West Williston ND 58801 Hayden Oil Limited Partnership PO Box 99281 Fort Worth TX 76199-0281 Hayden-Wing Associates LLC P O Box 1689 Laramie WY 82073-1689 Hayes Family Mineral Partnership 2339 Rosewyn Lane Billings MT 59102 HAYLEY TRULSON JUNG Address Redacted Haymaker Holding Co LLC PO Box 205415 Dallas TX 75320-5415 Haymaker Holding Company LLC PO Box 205415 Dallas TX 75320-5415 Haymaker Properties LP PO Box 206200 Dallas TX 75320-6200 Haynes, Jennifer Address Redacted Haynesville Wire Line Serv Inc PO Box 689 Homer LA 71040 Haystacks Incorporated PO Box 35 Wamsutter WY 82336 Hayward Babin Address Redacted Haywood Securities Inc./CDS** Julie Brereton 200 Burrard Street Suite 700 Vancouver BC V6c 3l6 Canada Haywood Securities Inc./CDS** Tracy College / Julie Brereton Corporate Actions 200 Burrard Street Suite 700 Vancouver BC V6c 3l6 Canada Hazel Jean Medlin Address Redacted Hazel Laird Smith Separate Property Address Redacted Hazel V Iverson Address Redacted HAZEL ZIMMER Address Redacted Hazelbelle Lange 405 S Jackson St Thorp WI 54771 Hci Communications Inc 1028 9th St Greeley CO 80631 Hdc Partners Kym Comer General Partner 4300 Macarthur Ave #240 Dallas TX 75209 Hdsa Address Redacted Hea Petroleum LLC 1308 Gary St Columbia MO 65203-2134 Headington Oil Company LLC Dallas TX 75204 Headington Oil Company LLC 1700 N Redbud Blvd Suite 400 Mckinney TX 75069 Headington Oil Company LLC 1700 N Redbud Blvd, Suite 400 Mckinney TX 75069 HEADINGTON OIL COMPANY LLC 1700 N REDBUD BLVD SUITE 400 Mckinney TX 75069 Headington Royalty Inc 1700 N Redbud Boulevard Suite 400 Mckinney TX 75069 Headlee Gas Plant Tax Partnership Address Redacted Healthiest You C/O Teladoc Inc Dept La 24542 Pasadena CA 91185-4542 Healthone Carenow Urgent Care PO Box 743893 Atlanta GA 30374-3893 Heart Five LLC PO Box 530 Gallatin Gateway MT 59730-0530 Heart-E Hot Water LLC PO Box 481 Tioga ND 58852 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 237 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 240 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Heat Waves Hot Oil Service LLC Dept 3782 Po Box 123782 Dallas TX 75312-3782 Heat Waves Hot Oil Service LLC Dept. 3782 PO Box 123782 Dallas TX 75312-3782 Heat Waves Hot Oil Service LLC Marjorie A. Hargrave 14133 County Road Longmont CO 80504-9667 Heat Waves Water Management Llc Po Box 679320 Dallas TX 75267-9320 Heath Harmon J/T Address Redacted Heather Bartos Address Redacted Heather Blahm Address Redacted Heather C Harrison Address Redacted Heather Colombo Address Redacted Heather E Killingsworth Address Redacted Heather Fjare Address Redacted Heather Foster Address Redacted Heather Hanssen Address Redacted Heather J Sletmoen And Samuel J Grev As Trustees Of Jerry M Grev Trust A Address Redacted Heather L Belz Address Redacted Heather L Meisch Address Redacted Heather Lynn Grant Address Redacted Heather M Marin Address Redacted Heather M Neis Address Redacted HEATHER M. DUNCAN Address Redacted Heather Marie Grack Address Redacted Heather R Tipsword Address Redacted Heather Storck Address Redacted Heather Washburn Address Redacted Hebert, Tannen Address Redacted Hecht, Brian Address Redacted Hecker, Jesse Address Redacted Heckman Living Trust Marjorie Kay Heckman - Trustee Address Redacted Hedberg Family Limited Part LP PO Box 470337 Fort Worth TX 76147-0337 Hedberg Oil Co LLC PO Box 470337 Ft Worth TX 76147 HEDBERG OIL CO LLC PO BOX 470337 Ft Worth TX 76147 Hedloc Investment Co LP PO Box 882 Midland TX 79701 HEDLOC INVESTMENT CO LP 508 W WALL ST Midland TX 79701 Hegberg, Eric Address Redacted Heggen Equipment Inc. PO Box 1408 Watford City ND 58854 Heggen Family Trust Dtd 11-1-19 Julie Busta - Trustee Address Redacted Heidi A Lang Address Redacted Heidi E Thomas Address Redacted Heidi Houchen Address Redacted Heidi Hyde Leon Address Redacted Heidi Jo Brown Address Redacted Heidi Jo Wright Address Redacted Heidi M Johnson Address Redacted Heidi Mason Address Redacted Heidi Sandow Address Redacted Heidi Tosterud Address Redacted Heidrick & Struggles Address Redacted Heifer International 1 World Ave Little Rock AR 72202-2863 Hein & Associates LLP 1999 Broadway Suite 4000 Denver CO 80202 Heiple Mineral Trust Arvest Trust Co Succ Ttee Address Redacted Heirs & Devisees Of Samuel R Fox C/O Arlene Carol Smith Personal Representative 7429 Kinsley Court Citrus Heights CA 95621-2027 Heirs Of Albert H Harley Address Redacted Heirs Of Henry Harley Address Redacted Heirs Of Labe Brown Address Redacted Heirs Of Linden Thoralson Address Redacted Heirs Of Luella Babbitt Address Redacted Heirs Of Ruth Hind Address Redacted HEIRS/DEVISEES OF JAMES HELLING Address Redacted Helbing Interests LP PO Box 5231 San Angelo TX 76902 Helen & Gerald Haverberg Joint Tenants Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 238 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 241 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Helen A Horton Address Redacted Helen Anderson Address Redacted Helen Bedford Family Trst Edwin Or William Bedford Trste Address Redacted Helen Botten Address Redacted Helen Botten Life Estate Address Redacted Helen Byorum Address Redacted Helen C Adams Address Redacted Helen C Bartolat Address Redacted Helen Clara Alcott Dubose Address Redacted Helen D Morrill Address Redacted Helen Dedrick Address Redacted Helen Dunleavy Address Redacted Helen E Jordan Address Redacted Helen E Marsh Life Estate Susan M Kopp Poa Address Redacted Helen E Rodgers Address Redacted Helen E Williamson Address Redacted Helen Eckholt Address Redacted Helen Erickson Address Redacted Helen Flaaen Life Estate Address Redacted Helen Frances Dunn Address Redacted Helen G Arver Address Redacted Helen Glasoe Address Redacted Helen Gleitsmann Leinberger Address Redacted Helen Halvorson Address Redacted Helen Herman Address Redacted Helen Hill Kempner Address Redacted Helen Hill Rawlins Address Redacted Helen I Tangen Address Redacted Helen J Nettrouer C/O Jolene G Bird Poa Address Redacted Helen Jane Jackson Hall Address Redacted Helen Joyce Chicoine Life Est Address Redacted Helen L Kary Address Redacted Helen L Kennedy Address Redacted Helen L Kolberg Estate Address Redacted Helen L Stone Address Redacted Helen M Barnett Address Redacted Helen M Danielson Address Redacted Helen M Danielson Life Estate Address Redacted Helen M Kuryla Address Redacted Helen M Lowe Address Redacted Helen M Warden Estate C/O Lynda M Gee - Pr Address Redacted Helen Manaras Address Redacted Helen Marie Lovro Address Redacted Helen Marsh Address Redacted Helen O Stuss Estate Address Redacted Helen Olson Address Redacted Helen Overbo Address Redacted Helen Sampson Address Redacted Helen Sweetwater Ortloff Address Redacted Helen Ulmer Van Atta Trust William E Corrigan Trustee Address Redacted Helen V Jackson Test Trust Dudley J Tolsma - Trustee Dawndra Tolsma - Aif Address Redacted Helen Williams Address Redacted Helena S Brandes Address Redacted Helene A Cole Address Redacted Helene C Grann Address Redacted Helene Schechter Address Redacted Helfrich, Brandon Address Redacted Heller Casing Service Inc PO Box 1452 Williston ND 58802-1452 Heller Family Living Trust Bank Of America- Merrill Lynch Turst Co Division Succ Trtee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 239 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 242 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Hellervik Oilfield Technologies dba Hellervik Rdo 24 Rail Road Ave #6B Ray ND 58849 HELLERVIK OILFIELD TECHNOLOGIES LLC-6666 TECHNOLOGIES 24 RAILROAD AVE #6B Ray ND 58849 Hellman & Associates Inc 11913 W I-70 Frontage Rd N Wheat Ridge CO 80037 Helm Energy LLC 5251 Dtc Parkway #425 Greenwood Village CO 80111 HELM ENERGY LLC 5251 DTC PARKWAY #425 Greenwood Village CO 80111 Helm Family Trust Dtd 7-28-97 Karen Helm - Trustee Address Redacted Helminen, Martin Address Redacted Helmsin, Karen Address Redacted Helmstetler, Timothy Address Redacted Helyn Sheryl Zarfos Address Redacted Hemeter Properties LLC Florence C Hemeter Mgr Address Redacted Hendricks, Melvain Address Redacted Heninger, Kurt Address Redacted Henning Revocable Trust William John & Carol Henning - Trustees Address Redacted Henri Noualhac Address Redacted Henri Torchiana Address Redacted Henrietta A Brunsvold Address Redacted Henrietta Allen James Allen Poa Address Redacted Henrietta Hall Address Redacted Henry Allen And Linda Hellyer Address Redacted Henry And Mildred A Woge J/T Address Redacted Henry C Adams Jr Address Redacted Henry C. Ramos Jr. Address Redacted Henry Carralejo Address Redacted Henry Crain, Individually Address Redacted Henry D Bedford Jr Address Redacted Henry Family Oil LLC C/O Randall L Hannah Address Redacted Henry Family Partnership Address Redacted Henry Family Rev Trust Dtd 1-22-14 - Kenneth & Susan Henry - Trustees Address Redacted Henry Gapp Estate C/O Jacquelyn M Gapp Address Redacted Henry H & Lorie Gordon J/T Address Redacted Henry H Gordon C/O Strata Resources 288 Clayton St Ste 206 Denver CO 80206 Henry Hayes Address Redacted Henry Heirs Ltd Address Redacted Henry Hill Oil Services LLC 120 26th St E Ste 200 Williston ND 58801 Henry Hsu & Marian Hsu JT Ten Address Redacted

Henry I Eide Trust Dtd 31-Oct-06 Henry I Eide, Trustee Address Redacted Henry J Glick & Barbara A Glick, Jnt Tnts Address Redacted Henry Jaskot Address Redacted Henry Joe Henke Address Redacted Henry John Leverman Jr Address Redacted Henry Kernan Address Redacted Henry L Gunderson Address Redacted Henry L Reitan Address Redacted Henry L Waszkowski Estate Address Redacted Henry Lorren Hagen Aka H. Lorren Hagen Address Redacted Henry M Cruz And Sherri L Cruz Jtwros Address Redacted

Henry M Meduna Revocable Trust Dtd November 11, 1994 Henry M Meduna & Patricia C Meduna, Trustees Address Redacted Henry M Meduna Revocable Trust Dtd November 11, 1994 Henry M Meduna, Trustee Address Redacted Henry M Meduna Revocable Trust Henry M Meduna Trustee Rebecca Ann Watkins Trustee Address Redacted Henry M Waldren Iii Address Redacted Henry Neal Ricklefs Address Redacted Henry R Vogel Mineral Rights Trust Dtd August 1, 2014 Of Winona, Mn Address Redacted Henry Rambousek Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 240 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 243 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Henry Roethemeier Address Redacted Henry T Marquis Address Redacted Henry T Skovholt Address Redacted Henrys Welding Address Redacted Hensley'S Computer Cabling Address Redacted Henzim Oil Company PO Box 61 Kenmare ND 58746 Hep Hb 3901 LLC 1515 Wazee St Ste 300 Denver CO 80202 Hep Hb 3902 LLC 1515 Wazee St Ste 300 Denver CO 80202 Hep Hb 3903 LLC 1515 Wazee St Ste 300 Denver CO 80202 Hepper Liv Tst Dtd 12-13-2006 Michael J &Nita M Hepper Ttees Address Redacted Hepper Living Trust James M And Eunice Hepper, Trustee Address Redacted Herbaly Exploration LLC 1420 W Canal Ct Suite 210 Littleton CO 80120 HERBALY EXPLORATION LLC 1420 W CANAL CT SUITE 210 Littleton CO 80120 Herbert Alan Gocha Jr Address Redacted Herbert C Harper Address Redacted Herbert Cornell Jr And Marlene Cornell Joint Tenants Address Redacted Herbert Dale Tompkins Address Redacted Herbert E Mueller Address Redacted Herbert G And Alice Brandt J/T Address Redacted Herbert Harris Cashen II 1999 Regions Bank Address Redacted Herbert Harris Cashen II 2002 Herbert Harris Cashen II Ttee Address Redacted Herbert J Fox Address Redacted Herbert J Fox Trust Dtd 6-24-16 - Herbert J & Virginia M Fox - Trustees Address Redacted Herbert J Kannianen Address Redacted Herbert James Broome Address Redacted Herbert Lee Coldewey Address Redacted Herbert Locke Address Redacted Herbert M Nash Estate - Personal Rep Address Redacted Herbert Minerals Ltd Address Redacted Herbert P & Judy M Murie Jt Address Redacted Herbert V Laemmle Heir Of Christian H Laemmle Address Redacted Herbert W Talbert Address Redacted Herbert Wayne Calcote Address Redacted Herbert William Roberts Address Redacted Herbert Younker Deceased Address Redacted Herbst, Shane Address Redacted Herd Partners Ltd PO Box 130 Midland TX 79702 Heritage Oil Company C/O Ralph A Dinkel 11695 Bent Oaks St Parker CO 80138-5703 Herman A Schmitz Family Trust American State Bank & Trust Company Trustee Address Redacted Herman Arneson Estate Address Redacted Herman Dutke Family Mineral Tr Address Redacted Herman J Musty c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Herman L Loeb LLC 10760 Country Club Road PO Box 838 Lawrenceville IL 62439 HERMAN L LOEB LLC 10760 COUNTRY CLUB ROAD PO BOX 838 Lawrenceville IL 62439 Herman M Vix Michael A Vix Address Redacted Hermanson Family Mineral Trust Wayne Bakke & Mike Hynek - Tr Address Redacted Hermanson, Louis Address Redacted Hernandez, Jesus Address Redacted Herndon, Jacob Address Redacted Herring Family Mineral Trust Address Redacted Herring Oil & Gas LLC 2629 Juniper Lane Grapevine TX 76051 Herrmann, William Address Redacted Herschbach Living Trust Dtd 6/20/2002 Heidy Herschbach & Heidy Herschbach, Ttee Address Redacted Herschbach Petroleum Co Ltd PO Box 132117 Tyler TX 75713 Herschel L Davis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 241 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 244 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Herschel Niles Address Redacted Hertha Janice Broome Brooks Address Redacted Hertha L Estate Robert P Ryan Personal Rep Address Redacted 14Th Floor Land Assets Hess 501 Mckinney St Mngmt Houston TX 77010 HESS 1185 AVENUE OF THE AMERICAS New York NY 10036 14TH FLOOR LAND ASSETS HESS BAKKEN INVESTMENTS I CORP 501 MCKINNEY ST MNGMT ATTN: SALLIE CARLISLE Houston TX 77010 ATTN: US JOINT VENTURE HESS BAKKEN INVESTMENTS I CORP F1 13 ACCTG PO BOX 2040 Houston TX 77252-2040 Hess Bakken Investments I Corp F1 13 Attn: Us Joint Venture Acctg PO Box 2040 Houston TX 77252-2040 14TH FLOOR LAND ASSETS HESS BAKKEN INVESTMENTS II LLC 501 MCKINNEY ST MNGMT Houston TX 77010 14th Floor Land Assets Hess Bakken Investments Ii LLC 501 Mckinney St Mngmt Attn: Sallie Carlisle Houston TX 77010 Hess Bakken Investments Ii LLC PO Box 2040 Houston TX 77252 14TH FLOOR LAND ASSETS HESS BAKKEN INVESTMENTS II LLC 501 MCKINNEY ST MNGMT ATTN: SALLIE CARLISLE Houston TX 77010 Hess Bakken Investments Ii LLC Attn: Jv Dept Po Box 732282 Dallas TX 75373-2282 HESS BAKKEN INVESTMENTS II LLC PO BOX 2040 Houston TX 77252 Hess Corporation Attn Jv Dept PO Box 201544 Houston TX 77216-1544 HESS CORPORATION ATTN JV DEPT PO BOX 201544 Houston TX 77216-1544 Attn: Robert Carlton, Senior Legal Hess Corporation Counsel Hess Tower 1501 McKinney Street Houston TX 77010 Hess Corporation c/o Haynes and Boone, LLP Attn: Arsalan Muhammad 1221 McKinney St Suite 4000 Houston TX 77010 Hess Services Inc 1670 E 9th St Hays KS 67601 Hess Services Inc PO Box 843 Hays KS 67601 Heth, Mason Address Redacted Heuscher Family Mineral LLC 320 Two Mile Dr #108 Kalispell MT 59901-6005 Hewit Family Partnership 191 University Blvd. 832 Denver CO 80206 Hewitt - Huckabee, Patricia Address Redacted Hew-Tex Oil & Gas Corporation 11222 Richmond Ave Ste 190 Houston TX 77082 HEXABYTE CONSULTING PO BOX 202167 Denver CO 80220 Hexabyte Consulting LLC PO Box 202167 Denver CO 80220 Hg Sam Investments LLC Harvey G Link - President 712 18th Ave N Wahpeton ND 58075 Hhk-Wilcox Co Inc C/O Benson Mineral Group Inc 1560 Broadway Ste 1900 Denver CO 80202 Hibiscus Royalties LLLP PO Box 660082 Dallas TX 75266-0082 HICKS-LAURENCE-WARDEN Address Redacted Higginbotham Bros & Co LLC PO Box 392 Comanche TX 76442 High Country Crane Service PO Box 482 Mills WY 82644-0482 High Country Executive Search Inc High Country Staffing 1221 S Clarkson St Suite 316 Denver CO 80210 High Country Fusion Address Redacted High Plains Energy Co 1505 Pb Lane Ste A Wichita Falls TX 76302 High Plains Transport Inc PO Box 1106 Watford City ND 58854 HIGH PLAINS TRANSPORT INC. PO BOX 1106 Watford City ND 58854 High Resolution Data LLC 3435 South Inca St Ste C Englewood CO 80110 High Tech Forms LLC 9934 Wethers Field Cir Providence Village TX 76227-8589 High West Energy Attn: Brian Heithoff 6270 County Rd 212 PO Box 519 Pine Bluffs WY 82082-0519 HIGH WEST ENERGY PO BOX 519 6270 COUNTY RD 212 Pine Bluffs WY 82082-0519 High West Energy Inc 6270 Co Rd 212 Pine Bluffs WY 82082-0519 High West Energy Inc 6270 County Rd 212 Po Box 519 Pine Bluffs WY 82082-0519 High West Energy Inc PO Box 519 6270 County Rd 212 Pine Bluffs WY 82082-0519 High West Energy Inc. Address Redacted High West Energy Inc. Attn: Brian Heithoff 6270 CR 212; PO Box 519 Pine Bluffs WY 82082 2501 N. Harwood Street, High West Energy Inc. c/o Reed Smith Attn: Lindsey L. Robin Suite 1700 Dallas TX 75201 Attn: Keith M. Aurzada, Michael P. High West Energy Inc. c/o Reed Smith LLP Cooley, & Lindsey L. Robin 2501 N Harwood Suite 1700 Dallas TX 75201 HIGH WEST ENERGY INC-6921 6270 CO RD 212 Pine Bluffs WY 82082-0519 HIGH WEST ENERGY, INC. 6270 CO RD 212 Pine Bluffs WY 82082-0519 Highland Elementary Pto Address Redacted Highland Lutheran Church C/O Lyle Bjerke 1282 N Bear Rd Dorchester IA 52140 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 242 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 245 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Highland Missions Inc PO Box 230 Porter TX 77365 HIGHLAND PARTNERS HOLDINGS LLC PO BOX 734024 Dallas TX 75373-4024 Highland Pest Control PO Box 8874 Midland TX 79708 Highlands Engineering & Surveying Pllc 319 24th St East Dickinson ND 58601 Highline Exploration Inc PO Box 20057 Tuscaloosa AL 35402 Highmark Oilfield Services LLC 817 15th Ave E Dickinson ND 58601 HIGHPEAK ENERGY ASSETS II 421 W 3RD ST STE 1000 Fort Worth TX 76102 Highpeak Energy Assets Ii LLC 421 W 3rd St Ste 1000 Fort Worth TX 76102 Highpeak Energy Assets LLC 421 W 3rd St Ste 1000 Fort Worth TX 76102 HIGHPEAK ENERGY HOLDINGS LLC, STEVE SMITH 421 W 3RD ST STE 1000 Fort Worth TX 76102 HIGHWAY 26 CONSULTING 11652 W HIALEAH PL Littleton CO 80127 Highway 26 Consulting LLC 11652 W Hialeah Pl Littleton CO 80127 Highway 302 LLC 112 Elkins Lake Huntsville TX 77340 Hijar, Marshall Address Redacted HILAND CRUDE PO BOX 734024 Dallas TX 75373-4024 Hiland Crude LLC PO Box 734024 Dallas TX 75373-4024 HILAND CRUDE, LLC 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 HILAND PARTNERS HOLDINGS LLC 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 HILAND PARTNERS HOLDINGS LLC 8811 SOUTH YALE SUITE 200 Tulsa OK 74137-3650 c/o Law Office of Patricia Williams Hiland Partners Holdings LLC Prewitt Attn: Patricia Williams Prewitt 10953 Vista Lake Court Navasota TX 77868 Hiland Partners Holdings LLC PO Box 734024 Dallas TX 75373-4024 HILAND PARTNERS HOLDINGS, LP 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 HILAND PARTNERS LP 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 HILAND PARTNERS LP 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 Hilary Gillespie George Address Redacted Hilary J Adams Address Redacted Hilbert Etzler Address Redacted HILCORP ENERGY COMPANY C/O C T CORPORATION SYSTEM 5615 CORPORATE BLVD. SUITE 400B Baton Rouge LA 70808 Hilcorp Energy I Lp Dept 412 Po Box 4346 Houston TX 77210-4346 Hilda Ducette Estate C/O Gary Wilbur Address Redacted Hilda E Noe Grandchildren Trst First Natl Bnk Trustee Address Redacted Hilda Fiveash Address Redacted Hilda Kordonowy Address Redacted Hilda L Treffry Address Redacted Hilda Noe Grandchildren Irrtst 1St Natl Bank & Tst Company Of Of Williston Trustee Address Redacted Hildegard Wanner Address Redacted Hilderman Family Trust U/T/D 02/04/14 Leann & Larry Hilderman Ttees Address Redacted Hildre Family Mineral Trust Dtd 9-17-18 - Marty Hildre & Vicki Monsen - Trustees Address Redacted Hi-Line Trucking Inc PO Box 1066 Sidney MT 59270 HILL + KNOWLTON STRATEGIES 237 PARK AVENUE 4TH FLOOR New York NY 10017 Hill And Knowlton Strategies Address Redacted

HILL AND KNOWLTON STRATEGIES PO BOX 101264 Atlanta GA 30392-1264 Hill and Knowlton Strategies, LLC Attn: Matthew Platt 466 , 4th Floor New York NY 10017 HIll and Knowlton Strategies, LLC Chris Heim 500 West 5th Street Suite 1000 Austin TX 78701 Hill Family Rev Living Tr PO Box 25 Marcell MN 56657 Hill Investments Ltd PO Box 1568 Cedar Park TX 78630-1568 Hill LP C/O James B Orser Bridger Capital Management LLC 566 N Kimball Suite 100 Southlake TX 76092 Hill, Darlene Address Redacted Hill, David Address Redacted Hill, Richard Address Redacted Hill, Robert Address Redacted Hillary J Baron Address Redacted HILLCORP ENERGY I LP DEPT. 412 Houston TX 77210 Hillevi Kerbs Address Redacted HILLIARD MILLER Address Redacted Hillix, D Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 243 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 246 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country HILLSTONE ENVIRONMENTAL (FKA: SBG ENERGY SERVICES, LLC) PO BOX 13238 Grand Forks ND 58208 HILLSTONE ENVIRONMENTAL PARTNERS-6454 1 RIVERSIDE SQ MALL Hackensack NJ 07601 Hilltop Securities Inc. Attn: Bonnie Allen 1201 Elm Street Suite 3500 Dallas TX 75270

Hilltop Securities Inc. Attn: Bonnie Allen, Corporate Actions 1201 Elm Street Suite 3500 Dallas TX 75270-2180 Hilltop Securities Inc. Attn: Corporate Actions 1201 Elm Street Suite 3500 Dallas TX 75270 Hilltop Securities Inc. Rhonda Jackson 1201 Elm Street Suite 3500 Dallas TX 75270 Hilton Mineral Trust Charles E Hilton, Trustee Address Redacted Hindman, Kory Address Redacted Hinkle Living Trust John T Hinkle Trustee Linda J Hinkle Trustee Address Redacted HINKLE, HENSLEY, SHANOR & MARTIN, L.L.P. 218 MONTEZUMA Santa Fe NM 87501 Hiralben Patel Address Redacted Hiram Mantle Address Redacted Hireright LLC PO Box 847891 Dallas TX 75284-7891

HIRERIGHT, LLC 14002 E. 21ST STREET, SUITE 1200 Tulsa OK 74134 Hiroko Aikawa Address Redacted Hispanic Chamber Of Commerce Of Metro Denver 924 W Colfax Ave Ste 201 Denver CO 80204 Hither Creek Irrevocable Trust Elizabeth A Shannon, Trustee Address Redacted Hjal K Jonsen Address Redacted Hjalmer Calene Address Redacted Hjalmer E Pederson Address Redacted Hjordis Sauerwine Address Redacted Hjs Estate Partnership LP C/O Carla Parvis Address Redacted Hjsa No 3 LP P O Box 1186 Texas City TX 77592-1186 Hk Oil & Gas LLC PO Box 95285 South Jordan UT 84095 Hk Resources LLC 1632 San Marina Blvd Miramar Beach FL 32550 Hkn Bakken Inc 180 State Street, Suite 200 Southlake TX 76092 Hlebechuk Construction Inc PO Box 738 Belfield ND 58622-0738 Hlf Funding Partners 2920 N Pearl Street Dallas TX 75201 Hlj Royalties LLC 5115 Buena Vista Blvd Castle Rock CO 80109 Hmkt Jh LLC Community Foundation Of Jackson Hole - Manager PO Box 574 Jackson WY 83001 Hnlk Ltd Nancy Nestaval Gp 623 Jenisa Drive St Cloud MN 56301 Hoang V Nguyen Address Redacted Hobbes, Jacob Address Redacted Hobbs Rental LLC PO Box 1085 Hobbs NM 88241 Hoblit Darling Ralls Hernandez & Hudlow Llp Po Box 2626 Corpus Christi TX 78403 Hoblit Darling Ralls Hernandez & Hudlow LLP Attn: R. Clay Hoblit 802 N. Carancahua Suite 2000 Corpus Christi TX 78401 Hobomodo Minerals Trust Douglas A &Marsha L Okland Tte Address Redacted Hochstetter LP PO Box 17728 Fort Worth TX 76102 Hodgert Living Trust Dtd 7-11-96 - Allen & Irene Hodgert - Trustees Address Redacted Hodous Family Mineral Trust Dtd January 4, 2011 Address Redacted Hoefle Family Partnership 742 Park Lane Billings MT 59102 Hoelz, Hannah Address Redacted Hoerbiger Service Inc Midcon 1224 Paysphere Circle Chicago IL 60674 Hoerner, Jared Address Redacted Hoff Company Inc 6248 South Troy Circle, Unit D Centennial CO 80111 Hoffelt Family LLC 3200 11Th Street South Unit 216 Fargo ND 58104-4602 Hoffman Ii, Gary Address Redacted Hoffman, Brian Address Redacted Hofland, Christopher Address Redacted Hofland, Ryan Address Redacted Hog Bg LLC David Hatch - Poa PO Box 526412 Salt Lake City UT 84152 Hogan Lovells Us LLP Finance Department 555 Thirteenth St, Nw Washington DC 20004-1109 HOGAN LOVELLS US LLP ONE TABOR CENTER, SUITE 1500 1200 SEVENTEENTH STREET Denver CO 80202 Hohn Engineering Pllc 2708 1st Ave N Ste 200 Billings MT 59101 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 244 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 247 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Holco Company Inc 544 S Mississippi River Blvd St Paul MN 55116 Holdbrook, Kim Address Redacted Holland Acquisitions Inc 309 W 7th St Ste 200 Fort Worth TX 76102 Holland Living Trust C/O Crm LP Address Redacted Holland, Philip Address Redacted Holley Estes Gaylor Address Redacted Hollie Harrison Address Redacted Hollinger Family LLLP 8340 66th St Nw Stanley ND 58784 Hollinger Farms Inc 8340 66th St Nw Stanley ND 58784 Hollis L Kley Address Redacted Holly A Mcdermott Address Redacted Holly Carrington Address Redacted Holly G Washburn Address Redacted Holly Hanson Estate Darcy Hanson Pr Address Redacted Holly Hornstein Address Redacted Holly I Tonniges Address Redacted Holly J Shae Address Redacted Holly J Siira-Thornton Address Redacted Holly Jo Garza Address Redacted Holly M Gertz Address Redacted Holly R Curry Address Redacted Holly Schue Address Redacted Holly Taft Address Redacted Holly Tkachyk Address Redacted Holly Turney Address Redacted Holly Watson Address Redacted Holly, Bradley Address Redacted Holmen, Daniel Address Redacted Holt & Company PO Box 680997 Franklin TN 37068 Holt Production LLC PO Box 24 Williston ND 58802-0024 Holtan Trust Agreement Marjorie A Holtan - Trustee Address Redacted Holton Sweeney Address Redacted Holwerda Minerals LLC 2501 Kenosha Ave Lubbock TX 79410 Homax Oil Sales Inc 605 South Poplar Casper WY 82601 Home Of Economy Inc 1508 N Washington St Grand Forks ND 58203 Home On The Range Address Redacted Home On The Range Address Redacted Homeopathic Research Address Redacted Homer A Stillwell III Trust Helen Frances Floyd Trustee Address Redacted Homer D Smith Jr Exempt Trst Homer David Smith Jr Trustee Address Redacted Homer Gerald Wright 633 Strange Dr Stamps AR 71860 Homestake LLC PO Box 643363 Vero Beach FL 32964 Homestead Heritage Minerals Trust Heather D Burkhardt - Trustee Address Redacted Homesteaders Restaurant 2501 Elk Drive Minot ND 58701 Homuth Family Irrevocable Tr Dale E & Deanne M Homuth - Tr Address Redacted Honegger, Karl Address Redacted Honeychurch LLP 836 Reserve Rd Libby MT 59923-8927 Honeychurch LLP Attn Sandra Honeychurch 836 Reserve Rd Libby MT 59923-8927 Honeycutt Family Trust Address Redacted Hook Resources Ltd PO Box 6863 Station D Calgary AB T2P 2E9 Canada Hook, Natalie Address Redacted Hoover, Richard Address Redacted Hope Lutheran Church Of Sunberg 107 Western Ave North Sunberg MN 56289 Hope M Paulsrud Address Redacted Hope Rohr Address Redacted Hopekids Inc PO Box 28471 Scottsdale AZ 85255 Hopkins Joint Rev Liv Tst John E & Arthalene S Hopkins Trustees Address Redacted Hopkins, Roger Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 245 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 248 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Horab Transport Company PO Box 4005 Williston ND 58802-4005 Horace D & Sylvia Mcgee Address Redacted HORIZON ENERGY SERVICES LLC 251 PRAIRIEWOOD DR S Fargo ND 58103 Horizon Energy Services LLC 4402 4th St W West Fargo ND 58078-8228 HORIZON ENERGY SERVICES LLC 251 PRAIRIEWOOD DR S Fargo ND 58103 Horizon Oilfield Services c/o Katheryn Gettman Cozen O'Connor 33 South Sixth Street Suite 3800 Minneapolis MN 55402 HORIZON OILFIELD SERVICES LLC 1525 BIOSCIENCE DR Worthington MN 56187 Horizon Oilfield Services LLC 1525 Bioscience Dr Worthington MN 56187 Horizon Resources 317 2nd St West Williston ND 58801 HORIZON RESOURCES INC 317 2ND ST WEST Williston ND 58801 HORIZON RESOURCES INC 317 2ND ST WEST Williston ND 58801 Horizon Resources Inc James Radtke 317 2nd St West Williston ND 58801 Horizon Royalties LLC 1490 West Canal Court Suite 3000 Littleton CO 80120 Horne, Sean Address Redacted Horse Creek Energy LLC 510 South Gillette Ave Gillette WY 82716 HORSE CREEK ENERGY LLC 510 SOUTH GILLETTE AVE Gillette WY 82716 Horst Family Trust Address Redacted Hose & Rubber Supply Inc PO Box 158 Randolph UT 84064 Hosfeldt Family Partners Address Redacted Hospice Of San Angelo Inc 36 E Twohig #1100 San Angelo TX 76903 Hoss Rentals Inc PO Box 2524 Watford City ND 58854 Hossein Dashtaki Address Redacted Hot Wheels Llt Address Redacted Hot Wheels Services 35013 Cty Rd 126 Sidney MT 59270 HOT WHEELS SERVICES 35013 CTY RD 126 Sidney MT 59270 Hotchkis And Wiley Capital Management, LLC 600 S. Figueroa Street 39th Fl Los Angeles CA 90017 House Of Neighborly Service 1511 E 11Th St Ste 100 Loveland CO 80537 House Of The Lord Christian Academy 754 Silver Birch Lane Oldtown ID 83822 Houston & Emma Hill Trust Est James R Hill Et Al Trustees Address Redacted Houston Oil & Gas Co Inc PO Box 1468 Huffman TX 77336 HOUSTON PIPE LINE COMPANY LP P.O. BOX 204317 Dallas TX 75320-4317 Hove, Kevin Address Redacted Hovland Hot Oil Service LLC 204 N Main St #392 Watford City ND 58854 Howard & Associates Inc 10927 Oral Zumwalt Missoula MT 59803 Howard & Betty Wiley Address Redacted Howard A Ellison Address Redacted Howard A Freed Address Redacted Howard And Ardith Holten Address Redacted Howard And Mary Blaine Russell Jt Address Redacted Howard Baker Young Address Redacted Howard Casing & Tubing LLC PO Box 1509 Midland TX 79702 Howard County PO Box 1111 315 Main Street Big Springs TX 79721-1111 c/o Perdue, Brandon, Fielder, Collins & Howard County Tax Office Mott, LLP Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Howard County, TX Treasurer 220 N Main St Kokomo IN 46901 Howard D Walworth Estate Donna Lynn Henderson - Pr Address Redacted Howard Donald Klukas Address Redacted Howard E Canright Trust Dtd March 16, 1992 Pamela Jo Fogg, Succ Trustee Address Redacted Howard E Canright Trust Pamela Jo Fogg - Trustee Address Redacted HOWARD ENERGY CO. 13561 W. BAY SHORE SUITE 3000 Traverse City MI 49684 Howard F Price Address Redacted Howard G Nelson Address Redacted Howard Gray Address Redacted Howard H Harlson & Barbara B Harlson, Jnt Tenants Address Redacted Howard Holten Address Redacted Howard Horrocks Address Redacted Howard Hoyt Marshall C/O Robert Marshall Address Redacted Howard Ison Estate C/O Joseph And Glenda Isom Address Redacted Howard J & Jean A Davidson Joint Tenants Address Redacted Howard J & Maryanne Schlosser Jtwrs Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 246 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 249 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Howard L Anseth Address Redacted Howard L Dill L/E Address Redacted Howard L Leland Life Estate Howard L Leland Ttee Address Redacted Howard L Merryman Address Redacted Howard M Mullins Address Redacted Howard N Molm C/O Thomas Molm Aif Address Redacted Howard N Molm Mineral Rights Revocable Trust Howard N Molm - Trustee Address Redacted Howard P Devol And Frances S Devol Joint Tenants Address Redacted Howard Robert Anderson Address Redacted Howard S Cox Norma J Cox Address Redacted Howard Snyder Address Redacted Howard Supply Company LLC 4100 International Plaza Ste 850 Fort Worth TX 76109 Howard Supply Company LLC Dept 312 Po Box 4869 Houston TX 77210-4869 Howard T Collier Iii Address Redacted Howard Tavel Address Redacted Howard V Dunnell Address Redacted Howard Voxland Address Redacted Howard W Moe Address Redacted Howard W Turtle Address Redacted Howard Wiley Address Redacted Howard William Strickland Successor Trustee Velma E Strickland Rev Liv Tr Address Redacted HOWIE TOWNSHIP 8861 34TH ST NW New Town ND 58763-9632 Howie, Austin Address Redacted Hoya Vision Address Redacted Hoytt D Sims Jr Address Redacted Hpm Truax Farm LLP 2518 Golden Blvd Billings MT 59102 Hpm Truax Land LLC 2518 Golden Blvd Billings MT 59102 Hr7 Energy Ltd 1210 396 11Th Ave Sw Calgary AB T2R 0C5 Canada Hrc Energy LLC PO Box 203848 Dallas TX 75320-3848 HRC Operating, LLC, a/k/a Halcón Resources Corporation Attn: Walter Mayer 1000 Louisiana Suite 6700 Houston TX 77002 Hritsco Living Trust Leonard C Hritsco Sr & Virginia F Hritsco Ttes Address Redacted Hrl Compliance Solutions Inc 2385 F 1/2 Road Grand Junction CO 81505 Hrm Resources II LLC 410 17Th Street Ste 1100 Denver CO 80202 Hrm Resources LLC 410 17Th Street Ste 1100 Denver CO 80202 Hrt Financial LLC Corporate Actions 32 Old Slip 30th Floor New York NY 10005 H-S Minerals & Realty Ltd PO Box 27284 Austin TX 78755-2284 Hs Practitest Ltd Oppenheimer 5 St Rehovot 7670105 Israel Hsbc Bank USA, Na/Clearing Corporate Actions Howard Dash 452 5th Avenue New York NY 10018 Hsbc Bank USA, Na/Clearing Leon Schnitzpahn One Hanson Place Lower Level Brooklyn NY 11243 Hsbc Bank USA, Na/Hsbc Custody & Clearing Services For Stock Corporate Actions One Hanson Place Brooklyn NY 11243 HSBC SECURITIES (USA) INC. JAMES KELLY 11 WEST 42ND STREET New York NY 10036 Hub City Iron Works PO Box 52823 Lafayette LA 70505-2823 Hubert & Dorothe Lalonde Trust Linda K Mann Successor Trste Address Redacted Hubert A Bartram Address Redacted Hubert C Knopik Mineral Trust Keith Knopik, Marlene Chorne Trustees Address Redacted Hubert S Ratliff Address Redacted Huco Consulting Inc 419 E 23rd St Houston TX 77008 Huco Consulting, Inc R Huijsman 419 East 23rd St Houston TX 77008 HUCO CONSULTING, INC. 419 EAST 23RD STREET Houston TX 77008 Hudson Living Trust Robert B & Rhea A Hudson Ttees Address Redacted Hudson Revocable Royalty Trust Joan H Brown, Trustee Address Redacted Hudson Texas Mineral Trust Address Redacted Hudson, Kelly Address Redacted Huebner Family Trust Dtd 2-5-92 - Ronald D & Sherry M Huebner - Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 247 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 250 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Huelsman, Joshua Address Redacted Huffman, Paul Address Redacted Huggins, Andrea Address Redacted Hugh Alan White Address Redacted Hugh And Audrey D Jacobson Address Redacted Hugh Corrigan Iii Trust Hugh Corrigan Iii Trustee Address Redacted Hugh Daniels Corrigan Address Redacted Hugh E Harvey Jr Address Redacted Hugh Hlebechuk & Marina Hlebechuk Address Redacted Hugh Jacobson Address Redacted Hugh K Vachal Address Redacted Hugh L Tinling Address Redacted Hugh M Stevenson Aka Tex Stevenson Address Redacted Hugh P Bailey Address Redacted Hugh W Ford Estate Address Redacted Hugh Weldon Brown Address Redacted HUGO J ASBECK & JAMES F ASBECK Address Redacted Hugo J Asbeck & James F Asbeck J/T Address Redacted Hugo Sarmiento K. Address Redacted Hull Family Trust Dtd 3-6-15 Jonathan $Teresa Hull - Co- Trs Address Redacted Humboldt Inc 1048 Independent Ave Ste A204 Grand Junction CO 81507 Humphrey Living Trust Martha Angeline Humphrey Trustee Address Redacted HUNT OIL CO 1900 N AKARD ST Dallas TX 75201 Hunt Oil Company Lockbox 840722 Dallas TX 75284-0722 HUNT OIL COMPANY 1900 N AKARD ST Dallas TX 75201 Hunt Oil Company Angela Singley 1900 N. Akard Street Dallas TX 75201 Hunt Oil Company Attn: Angela Singley 1900 N Akard Street Dallas TX 75201 Hunt Oil Company Attn: Matt Johnson 1900 N. Akard Street Dallas TX 75201 Attn: Mark E. Andrews & Patrick Hunt Oil Company c/o Dykema Gossett PLLC Huffstickler 1717 Main Street Suite 4200 Dallas TX 75201 Hunt Oil Company c/o Dykema Gossett PLLC Attn: Patrick Huffstickler 112 E. Pecan Street Suite 1800 San Antonio TX 78205 HUNT OIL COMPANY LOCKBOX 840722 Dallas TX 75284-0722 Hunt, Julia Address Redacted Hunter & Vivien Krantz J/T Address Redacted Hunter C Baar Address Redacted Hunter Grain Company PO Box 97 Hunter ND 58048 Hunter Royalty LLC PO Box 21625 Oklahoma City OK 73156 Hunter S Smith & Elva M Smith Family Mineral Trust Elva M Smith, Trustee Address Redacted Hunter, Robert Address Redacted Hunting Energy Services (Drilling Tools) Inc Po Box 206429 Dallas TX 75320-6429 FBO OHIO POLICE AND PENSION BEVERLY REYNOLDS - HUNTINGTON NATIONAL BANK FUND ACCOUNTANT 7 EASTON OVAL EA4E62 Columbus OH 43219 HUNTINGTON NATIONAL BANK/FBO OHIO PO DAVID GUNNING ACCOUNTANT 5555 CLEVELAND AVE GW4E62 Columbus OH 43231 Hurd Enterprises Ltd 7373 Broadway Suite 200 San Antonio TX 78209-0846 Hurley Enterprises Inc PO Box 385 Fairview MT 59221 HURLEY ENTERPRISES INC PO BOX 385 Fairview MT 59221 Hurley Oil Properties Inc 1738 South Poplar Street Casper WY 82601 HURLEY OIL PROPERTIES INC 1738 SOUTH POPLAR STREET Casper WY 82601 Hurley Texas Royalty Prtners C/O Charles W Brown PO Box 587 Marlow OK 73055-0587 Hurleyn Ginther Hanson Address Redacted Hurst, Richard Address Redacted Hurt Properties LP PO Box 1927 Abingdon VA 24212 HURT PROPERTIES LP PO BOX 1927 Abingdon VA 24212 Huston Energy Corp PO Box 5318 Enid OK 73702 Huston Speight Address Redacted Hut Inc Box 6666 Lubbock TX 79493 Hutcherson Family Limited Partnership And Claude Hutcherson Family LLC 4304 94th Street Lubbock TX 79423

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 248 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 251 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Hutchins-Pierce Ltd C/O Chase Manhattan Bank Co-Mgr A/C #1602900 PO Box 201884 Houston TX 77216-1884 Hutton Oil Wog Co LLC 16761 Coral Cay Ln Huntington Beach CA 92649 HUTTON OIL WOG CO LLC 16761 CORAL CAY LN Huntington Beach CA 92649 Hutzenbiler, Scott Address Redacted Hw Peace Ii & Norma Peace Rev Tst Dtd 12/20/96 Hw & Norma Peace - Trustees Address Redacted HW United LLC 2710 Devonport Road San Marino CA 91108 Hx Royalty LLC PO Box C Mexia TX 76667 Hy-Bon Engineering Company 7911 Solution Center Chicago IL 60677-3007 Hydra Services LLC 9805 Katy Freeway Ste 300 Houston TX 77024 HYDRA SERVICES LLC (AFFILIATE OF KRAKEN OIL AND GAS II LLC) Address Redacted HYDRA SERVICES LLC-8680 9805 KATY FREEWAY STE 300 Houston TX 77024 Hydrocarbon Holdings Ltd 9302 S 83rd Court Hickory Hills IL 60457 Hydrocarbon Minerals 3 LLC PO Box 2157 Bridgeview IL 60455 Hydrocarbon Minerals LLC 9302 S 83rd Ct Hickory Hills IL 60457 Hydrostatic LLC PO Box 8416 Williston ND 58802-8416 Hydrostatic Oil Tools Inc PO Box 2 Magnolia AR 71754-0002 Hydrus Energy Solutions 113 E Highland Watford City ND 58854-9531 Hylah Pollock Box 384 New Plymouth ID 83655 Hymco Dp LLC Address Redacted HYMCO DP, LLC 215 S LAUREL AVE Broken Arrow OK 74012 Hymco Ventures LLC 215 S Laurel Ave Broken Arrow OK 74012 Hysjulien, Chad Address Redacted Hystad Ceynar Minerals LLC 3461 131st Avenue Nw Arnegard ND 58835 Hystad Consulting LLC 1974 84th Ave Se Buchanan ND 58420 Hystad Family LLP 3379 134th Ave Nw Arnegard ND 58835 HYSTAD FAMILY LLP 3379 134TH AVE NW Arnegard ND 58835 Hytorc Address Redacted I Ann Mcmaster Address Redacted I Ardell Watkins Address Redacted Ian H Petersen Address Redacted Ian P Stewart Address Redacted Ibmr Farm Partnership 6702 97th Avenue Nw White Earth ND 58794 Ibra-Rmac Automation Systems Llc 13223 Black Mountain Rd #1-125 San Diego CA 92129 Ica Energy Inc PO Box 233 Odessa TX 79760-0233 Icc Address Redacted Icc Inc 1873 S Bellaire St Suite 750 Denver CO 80222 Ice Hole Hotshot LLC 2202 32nd St W Williston ND 58801 Ice Systems Inc P O Box 11126 Hauppauge NY 11788 Icon Petroleum Inc 1411 W Illinois Ave Midland TX 79701 ICON PETROLEUM INC 1411 W ILLINOIS AVE Midland TX 79701 I-Control Esi 16479 Dallas Parkway Ste 720 Addison TX 75001 Ida Arrington Address Redacted Ida C Nelson Address Redacted Ida Eleanore Lundien Address Redacted Ida Elizabeth P Freeman Address Redacted Ida Herland Address Redacted Ida J Dutton Address Redacted Ida Johnson Address Redacted Ida Lee Mcinroe Estate Eddie Dean Mcinroe Ind Exec Address Redacted Ida M Harmon Address Redacted Ida Santi Address Redacted Idaho Unclaimed Property PO Box 83720 Boise ID 83720-9101 Idax Data Solutions 9805 Ne 116th St #7148 Kirkland WA 98034 Iddo Lampton Enochs Jr Address Redacted Idell Pierce Address Redacted Idella M Larson Family Trust Greg A Larson Ttee Address Redacted Idella Thompson Bakke Address Redacted Idera Inc PO Box 671573 Dallas TX 75267-1573

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 249 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 252 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 2950 NORTH LOOP FREEWAY IDERA, INC. WEST SUITE 700 Houston TX 77092 Idlewild Resources, Inc PO Box 280235 Lakewood CO 80228 IDM COMPUTER SOLUTIONS 5559 EUREKA DR SUITE B Hamilton OH 45011 Idm Computer Solutions Inc 5559 Eureka Dr Suite B Hamilton OH 45011 Ieleen Tiisto Life Estate C/O Janice J Anderson Poa Address Redacted Ihd Liquids Management LLC 5009 139th Ave Nw Williston ND 58801 Ihd Liquids Management LLC PO Box 912933 Denver CO 80291 c/o Fabyanske, Westra, Hart & IHD Liquids Management, LLC Thomson 333 South 7th Street Suite 2600 Minneapolis MN 55402 IHD Liquids Management, LLC Todd Erickson 1505 N Miller St Suite 260 Wenatchee MA 98801 c/o Fabyanske, Westra, Hart & IHD Solids Management LLC Thompson 333 South 7th Street Suite 2600 Minneapolis MN 55402 IHD Solids Management LLC c/o JMAC Resources Attn: Todd Erickson 1505 N. Miller Street Suite 260 Wenatchee MA 98801 IHD SOLIDS MANAGEMENT LLC-4790 PO BOX 912930 Denver CO 80291 Ihd Solids Mgmt LLC PO Box 912930 Denver CO 80291 Iheartmedia Address Redacted Ihs Global Inc PO Box 847193 Dallas TX 75284-7193 IHS GLOBAL INC. 15 INVERNESS WAY EAST Englewood CO 80122 IHS GLOBAL INC. 15 INVERNESS WAY EAST Englewood CO 80122 IHS MARKIT 450 WEST 33RD STREET 5TH FLOOR New York NY 10001 Ihs Markit Canada Ulc Address Redacted Iii Minerals & Land Ltd PO Box 10135 Midland TX 79702 Iis Services Inc PO Box 407 Fairview MT 59221 Ilajean Reams Address Redacted Ilca Moskos Trustee Of The Ilca Moskos 2003 Rev Trust Address Redacted Ilene Baker Address Redacted Ilene Baker And Marvin Baker Joint Tenants Address Redacted Ilene Govemale Address Redacted Ilene Rivers Address Redacted Illa Jean Frink Address Redacted Illinois Masonic Home Attn: William J Warmoth Address Redacted Illinois State Treasurers Address Redacted Ilo Lillian Downey Address Redacted Ima Financial Group 1705 17th Street Suite 100 Denver CO 80202 Ima Inc 1705 17th St Suite 100 Denver CO 802021260 Ima Of Colorado Inc 1705 17th Street Suite 100 Denver CO 80202-1657 Imageseller LLC PO Box 173704 Denver CO 80217-3704 Imaging Consultancy & Services 329 Greenfield Dr Murphy TX 75094 Imelda Eckholt Address Redacted Iminerals LLC 5 Inverness Dr East Englewood CO 80112 Immel, Jason Address Redacted Impact 360 Address Redacted Impact Energy Resources LLC PO Box 1059 Parker CO 80134 Impact Interactive Address Redacted IMPACT INTERACTIVE PO BOX 603188 Charlotte NC 28260-3188 Imperative Chemical Partners PO Box 679330 Dallas TX 75267-9330 IMPERIAL OIL OF NORTH DAKOTA INC 1648 POLY DR #101 Billings MT 59102 Imperial Oil Of North Dakota Inc 1648 Poly Dr #101 Billings MT 59102 importadora de Productos Para Latinoamerica Francisco Valencia 6 Ave. 27-85 Zona 16 Kanajuyu II Ciudad Guatemala 10016 Guatemala Importadora de Productos Para Latinoamerica Luis Mercado 9130 S. Dadeland Blvd Suite 1702 Miami FL 33156 Impresa Fund III LP 200 Seaport Blvd ZW9B Boston MA 2210 Impulse Downhole Tools Usa Ltd 546 Stonegate Dr Katy TX 77494 Ina Latuseck Address Redacted Ina M Patterson James L Patterson Joint Tenants Address Redacted Inceed PO Box 1068 Lowell AR 72745 Incline Bakken LLC 5019 N Central Expy Ste B Dallas TX 75205 Incline Bakken Minerals LLC 5011 N Central Expy Dallas TX 75205 Incline Niobrara Partners LP 5011 N Central Expy Dallas TX 75205 Incline Resources LLC 5011 N Central Expy Dallas TX 75205 Indeck Energy Services Inc 600 N Buffalo Grove Suite 300 Buffalo Grove IL 60089 INDEED P.O. BOX 660367 Dallas TX 75266 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 250 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 253 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Indemco 777 Post Oak Blvd Ste 330 Houston TX 77056 Independent Pump & System Management Llc Po Box 837 Farmington NM 87499 Independent Reservoir Analyst Services Inc 3363 W 35th Ave Denver CO 80211 INDEPENDENT RESERVOIR ANALYST SERVICES 3363 W 35TH AVE Denver CO 80211 Independent School Dist 837 Madelia Minnesota 320 Buck Ave Se Madelia MN 56062 Indian Fire And Safety Inc 3317 West County Rd P O Box 1306 Hobbs NM 88241-1306 Indiano Capital Management 120 Linden Oaks Suite 201 Rochester NY 14625 Indigo Minerals LLC Msc #950 PO Box 4580 Houston TX 77210 Indira I Paschke Address Redacted INDMAR & MARINE SERVICE CO PO BOX 37 Pearland TX 77588 Indus LLC PO Box 18973 Oklahoma City OK 73154 Industrial & Marine Service Co PO Box 37 Pearland TX 77588 INDUSTRIAL & MARINE SERVICE CO (INDMAR SERVICE & SUPPLY CORP)-3434 PO BOX 37 Pearland TX 77588 INDUSTRIAL AND COMMERCIAL BANK OF CH NENRY NAPIER 1633 BROADWAY New York NY 10019 INDUSTRIAL AND COMMERCIAL BANK OF CHINA FINANCIAL SERVICES LLC NENRY NAPIER 1633 BROADWAY New York NY 10019 Financial Services, LLC/Equity Industrial And Commercial Bank Of China Clearance Nenry Napier 1633 Broadway New York NY 10019 Industrial Commission Of North Dakota Oil & Gas Division 600 East Boulevard Dept. 405 Bismarck ND 58505-0840 Industrial Distributors Inc 4920 Nome St Unit A Denver CO 80239 Industrial Electric Service Inc 388 Gta Drive Dickinson ND 58601-7241 Industrial Electrical Inc PO Box 146 623 Wheeler St Sandersville MS 39477 Industrial Equipment Sales & Service Inc Po Box 11444 Williston ND 58803 Industrial Horsepower Plus Inc PO Box 845 Vernal UT 84078 Industrial Lining Systems Inc PO Box 568 Mills WY 82644 Industrial Measurement And Control Po Box 411832 Kansas City MO 64141-1832 Industrial Scientific Corpora- Tion Po Box 645449 Pittsburgh PA 15264-5252 Industrial Scientific Corporation ATTN: Tonya Satterwhite 1 Life Way Pittsburgh PA 15205-7500 Industrial Sealing & Lubrication Inc 15430 S Keeler St Olathe KS 66062 Industrysafe Inc 1608 Walnut St Ste 1602 Philadelphia PA 19102 INDUSTRYSAFE, INC. 1608 WALNUT STREET SUITE 700 Philadelphia PA 19103 INEZ BURK Address Redacted Inez Burke Address Redacted Inez Margaret Young Bird Address Redacted Inez Page Address Redacted Inez V Stidham Amwdssp Address Redacted Infiniti Vision Center Inc c/o Infiniti Vision Center Attn: Claude Cadet 18610 NW 67 ave Hialeah FL 33015 Infinity Oil LLC PO Box 1946 Williston ND 58802-1946 Infoage Inc 3128 Walton Blvd #244 Rochester Hills MI 48309 ING CAPITAL LLC Legal Department 1133 Avenue of the Americas New York NY 10036-6710 Inga C Dickson Trust Margaret J North Trustee Address Redacted

Inga Dickson Oil & Gas LLC First National Bank - Agent PO Box 1827 Williston ND 58802-1827 Inga Jill Howard Brisbine Address Redacted Inga R Moe Address Redacted Ingbretson, Joslyn Address Redacted Ingeborg E Bohnsack Address Redacted Ingemarie M Richardson Address Redacted Inger Ledang Address Redacted Ingle, John Address Redacted Ingraham Living Tr Dtd 8-14-98 Tim Ingraham - Trustee Address Redacted Ingrid Walrad Address Redacted INLAND O&G PO BOX 1313 419 RIVERWOOD DR STE 101 Bismarck ND 58502-1313 Inland Oil & Gas Corp PO Box 1313 419 Riverwood Dr Ste 101 Bismarck ND 58502-1313 INLAND OIL & GAS CORP PO BOX 1313 419 RIVERWOOD DR STE 101 Bismarck ND 58502-1313 Innovative Land Dev Inc 2043 Shane Ct Oxford MI 48370 INNOVATIVE LAND DEV INC 2043 SHANE CT Oxford MI 48370 Innovex Downhole Solutions PO Box 679456 Dallas TX 75267-9456 Innovex Downhole Solutions, Inc. Robert Lemus 1221 McKinney St, Ste 3150 Houston TX 77010 Insight Address Redacted INSIGHT PO BOX 731069 Dallas TX 75373-1069 Insight Direct USA, Inc. Michael L. Walker 6820 S. Harl Ave. Tempe AZ 85283 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 251 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 254 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Insight Global LLC PO Box 198226 Atlanta GA 30384 Inspectorate America Corporation Po Box 847921 Dallas TX 75284-7921 Inspire Aog Partners Ltd PO Box 10249 Midland TX 79702 Inspired E Learning LLC 613 Nw Loop 410 Ste 530 San Antonio TX 78216 INSTINET, LLC CORPORATE ACTIONS Worldwide Plaza 309 West 49th Street New York NY 10019 Institute For Creation Research Address Redacted Company Dba Emerson Process Instrument & Valve Services Management 22737 Network Place Chicago IL 60673-1227 Consulting For Caleb Sorenson All In Integrity Factoring & Oilfield Services Dept 355, Po Box 30015 Salt Lake City UT 84130 Consulting Inc For Btj Energy Services Integrity Factoring & Llc Dept 355, Po Box 30015 Salt Lake City UT 84130 Integrity Fire Safety Services PO Box 2207 Denver CO 80201 Integrity Resources LLC PO Box 754 Bismarck ND 58502-0754 Integrity Services And Sales Inc 6500 County Road 13 North Burlington ND 58722 Intelepeer Cloud Communications Dept La 24295 Pasadena CA 91185-4295 Intelepeer Cloud Communications 155 Bovet Rd San Mateo CA 94402 Intelepeer Cloud Communications Dept La 24295 Pasadena CA 91185-4295 INTELEPEER CLOUD COMMUNICATIONS LLC 155 BOVET ROAD SUITE 405 ATTN: CFO San Mateo CA 94402 INTELEX 70 UNIVERISTY AVENUE SUITE 800 Toronto ON M5J 2M4 Canada INTELEX 70 UNIVERISTY AVENUE SUITE 800 Toronto ON M5J 2M4 Canada INTELEX TECHNOLOGIES 70 UNIVERSITY AVENUE SUITE 800 Toronto ON M5J 2M4 Canada Intelex Technologies Inc PO Box 675026 Detroit MI 48267-5026 Intelex Technologies, ULC Accounts Receivable 70 University Avenue, Suite 800 Toronto ON M5J 2M4 Canada Intelex Technologies, ULC Accounts Receivable 70 University Avenue, Suite 800 Toronto ON M5J2M4 Canada Interactive Brokers Retail Equity Cl Karin Mccarthy 8 Greenwich Office Park Greenwich CT 06831 Interactive Brokers Retail Equity Clearing Karin Mccarthy 8 Greenwich Office Park Greenwich CT 06831 Interactive Health Inc 1700 E Golf Road Ste 900 Schaumburg IL 60173 Interior Alterations Dba Iai Construction Company Ltd 165 Vallejo Street Denver CO 80223-1210 Intermountain Electronics Inc Of Price Utah Po Box 914 Price UT 84501 Inter-Mountain Laboratories PO Box 661 Sheridan WY 82801 Internal Revenue Service Department of Treasury Ogden UT 84201-0045

Internal Revenue Service Attn: Centralized Insolvency Operation 2970 Market St. Philadelphia PA 19104-5016

Internal Revenue Service Attn: Centralized Insolvency Operation PO Box 7346 Philadelphia PA 19101-7346 Internal Revenue Service Houston Division 1919 Smith Street Houston TX 77002 International Petroleum LLC 4834 South Highland Dr Ste200 Salt Lake City UT 84117 For Boots Smith Completion Services Interstate Billing Services Llc Po Box 2214 Decatur AL 35609-2214 Interstate Industrial Steam Cleaning & Painting Inc Po Box 407 Fairview MT 59221 Interstate Industrial Steam Cleaning & Painting, Inc. Attn: Marty Alan Shaide PO Box 407 Fairview MT 59221 Interstate Oil & Gas Compact Commission Po Box 53127 Oklahoma City OK 73152-3127 Interstate Oil Corporation Address Redacted Interstate Power Systems Inc Nw 7244 Po Box 1450 Minneapolis MN 55485-7244 Intervention Energy LLC Black Falcon Energy Aif 717 Texas Ave Ste 3100 Houston TX 77002 Intervention Energy LLC Black Falcon Energy Aif 717 Texas Ave Ste 3100 Houston TX 77002 Intervivos Trust Created By John Beard Trust Agreement Crown Financial Networks - Tr Address Redacted Interwest Electric Inc P O Box 1447 Denver City TX 79323 Interwest Petroleum Corp PO Box 1414 Dickinson ND 58602-1414 Intoil Inc 9110 E Nichols Ave Centennial CO 80112 Intrado Digital Media LLC PO Box 74007143 Chicago IL 60674-7143 Intralinks Inc PO Box 392134 Pittsburgh PA 15251-9134 INTRALINKS, INC. 685 THIRD AVENUE, 9TH FLOOR New York NY 10017 Intrepid Oil & Gas LLC 707 17Th St Suite 4200 Denver CO 80202 Intrepid Potash - Moab LLC PO Box 74710 Chicago IL 60694-4710 High II Fund of Invesco Advisers, c/o Legal Department ( Invesco High Inc Income Trust II Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Active Multi-Sector Credit Fund of Invesco c/o Legal Department ( Invesco Active Advisers, Inc Multi-Sector Credit Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 252 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 255 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Invesco Active Multi-Sector Credit Fund of Invesco Corporate Class Inc., by it's Manager, Invesco Canada c/o Legal Department ( Invesco Active Ltd. Multi-Sector Credit Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046

Invesco Active Multi-Sector Credit Fund, Ltd of Invesco c/o Legal Department ( Invesco Active Advisers, Inc Multi-Sector Credit Fund, Ltd ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Active Multi-Sector Credit Trust of Institutional Attn: Legal Department (Invesco Active Retirement Trust Multi-Sector Credit Trust) 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Active Multi-Sector Credit Trust of Institutional c/o Legal Department (Invesco Active Retirement Trust Multi-Sector Credit Trust) Attn: Leslie Schmidt 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Asian Bond Fixed Maturity Fund 2022 -II of Legal Department (Invesco Asian Bond Invesco Asset Management Limited Fixed Maturity Fund 2022-11) 11 Greenway Plaza Suite 1000 Houston TX 77046 c/o Legal Department ( Invesco Bond Invesco Bond Fund of Invesco Advisers, Inc. Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Legal Department (Invesco Bond Invesco Bond Fund of Invesco Advisers, Inc. Fund) 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Core Plus Bond Fund of AIM Counselor Series c/o Legal Department ( Invesco Core Trust (Invesco Counselor Series Trust) Plus Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Core Plus Fixed Income Trust of Institutional c/o Legal Department (Invesco Core Retirement Trust Plus Fixed Income Trust) Attn: Leslie A Schmidt 11 Greenway Plaza Suite 1000 Houston TX 77046

Invesco Corporate Bond Fund of AIM Investment c/o Legal Department ( Invesco Securities Funds (Invesco Investment Securities Funds) Corporate Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046

Invesco Corporate Bond Fund of AIM Investment c/o Legal Department ( Invesco Securities Funds (Invesco Investment Securities Fund) Corporate Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global High Income Fund of Invesco Asset c/o Legal Department ( Invesco Global Management Limited High Income Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global High Bond Fund of , Invesco Corporate Class Inc., by it's Manager, Invesco Canada c/o Legal Department ( Invesco Global Ltd. High Yield Bond Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global High Yield Bond Fund of Invesco Corporate Class Inc., by it's Manager, Invesco Canada c/o Legal Department ( Invesco Global Ltd. High Yield Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046

Invesco Global High Yield Short Term Bond Fund of c/o Legal Department ( Invesco Global Invesco Asset Management Limited High Yield Short Term Bond Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global Targeted Returns Fund of Invesco c/o Legal Department ( Invesco Global Advisers, Inc. Targeted Returns Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global Targeted Returns Fund of Invesco c/o Legal Department ( Invesco Global Advisors, Inc. Targeted Returns Fund ) 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Global Targeted Returns Trust of Institutional c/o Legal Department (Invesco Global Retirement Trust Targeted Returns Trust) Attn: Leslie A Schmidt 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco GTI US Yield Fund of Invesco Asset c/o Legal Department ( Invesco GTI Management Limited US Yield Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco GTR Fund ( UK) of Invesco Asset Management c/o Legal Department ( Invesco GTR Limited Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 c/o Legal Department (Invesco GTR Invesco GTR Fund of Institutional Retirement Trust Fund) Attn: Leslie A Schmidt 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco GTR US High Yield Fund of Invesco Asset c/o Legal Department ( Invesco GTR Management Limited US High Yield Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco GTRS II US High Yield Fund of Invesco Asset c/o Legal Department ( Invesco GTRS Management Limited II US High Yield Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco GTRS US High Yield Fund of Invesco Asset Management Limited Legal Department 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco High Income Trust II Fund of Invesco Advisers, Legal Department (Invesco High Inc Income Trust II Fund) 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco High Income Trust II Fund of Invesco Advisers, c/o Legal Department ( Invesco High Inc. Income Trust II Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 253 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 256 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Invesco High Yield Bond Factor Fund of AIM Investment Legal Department (Invesco High Yield 11 Greenway Plaza, Suite Securities Funds (Invesco Investment Securities Funds) Bond Factor Fund) Attn: Anne Gerry 1000 Houston TX 77046 Invesco High Yield Fund of AIM Investment Securities c/o Legal Department ( Invesco High Funds (Invesco Investment Securities Funds) Yield Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco High Yield Fund of AIM Investment Securities c/o Legal Department (Invesco High Funds (Invesco Investment Securities Funds) Yield Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco High Yield Global Bond Fund, Ltd. of Invesco c/o Legal Department (Invesco High Advisers, Inc. Yield Global Bond Fund, Ltd.) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco High Yield Global Bond Fund, Ltd. of Invesco Advisers, Inc. Legal Department 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Multi-Asset Income Fund of AIM Investment c/o Legal Department ( Invesco Multi- Funds (Invesco Investment Funds) Asset Income Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Multi-Asset Income Fund of AIM Investment c/o Legal Department (Invesco Multi- Funds ( Invesco Investment Funds ) Asset Income Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 c/o Legal Department ( Invesco Invesco Oppenheimer Global Strategic Income Fund of Oppenheimer Global Strategic Income AIM Investment Funds (Invesco Investment Funds) Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco Oppenheimer V.I. Global Strategic Income Fund c/o Legal Department ( Invesco of AIM Variable Insurance Funds (Invesco Variable Oppenheimer V.I. Global Strategic Insurance Funds) Income Fund) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco US High Yield Bond Fund of Invesco Asset c/o Legal Department (Invesco US Management limited High Yield Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco V.I. Core Plus Bond Fund of AIM Variable c/o Legal Department ( Invesco V.I. Insurance Funds (Invesco Variable Insurance Funds) Core Plus Bond Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco V.I. High Yield Fund of AIM Variable Insurance Attn: Legal Department (Invesco V.I. Funds (Invesco Variable Insurance Funds) High Yield Fund) 11 Greenway Plaza Suite 1000 Houston TX 77046 Invesco V.I. High Yield Fund of AIM Variable Insurance c/o Legal Department ( Invesco V.I. Funds (Invesco Variable Insurance Funds) High Yield Fund ) Attn: Anne Gerry 11 Greenway Plaza Suite 1000 Houston TX 77046 Investors Royalty Company Inc 1309 Thompson Building Tulsa OK 74103 Iocl Usa Inc C/O Thompson & Knight Llp Attn Arthur Wright 811 Main St Ste 2500 Houston TX 77002-4499 IOCL USA INC C/O THOMPSON & KNIGHT LLP ATTN ARTHUR WRIGHT 811 MAIN ST STE 2500 Houston TX 77002-4499 Iog Nod I LLC 2911 Turtle Creek Blvd Ste 900 Dallas TX 75219

IOG NOD I LLC 2911 TURTLE CREEK BLVD STE 900 Dallas TX 75219 Iola Moe C/O Rex R Byerly Poa Address Redacted Iolene Chastain Address Redacted Ion Field Services LLC 64 40th Ave Sw Dickinson ND 58601 Iona M Giggy Address Redacted Ione E Harshberger Life Estate Address Redacted Ione M & Richard L Cothran Address Redacted Ione M Cothran Address Redacted Ione S Jacobs Estate Betty J Byers Personal Rep C/O Mark Byers Address Redacted Ipaa Address Redacted Ipreo Data Inc General Post Office Po Box 26886 New York NY 10087-6886 Ipreo LLC PO Box 21865 New York NY 10087-1865 Ira C Wilson Address Redacted IRA FBO Rosemary Klos Pershing LLC As Custodian Address Redacted IRA FBO Thomas A. Klos/ Pershino LLC as Custodian Thomas Klos PO Box 771 Cutchogue NY 11935 Ira L Quait Irrevocable Trust Address Redacted Ira L Sloan Address Redacted Ira Resources Inc Fbo Roger P Lundberg Roth Ira 35- 22169 6825 La Jolla Blvd La Jolla CA 92037 Ira Sloan Thompson Address Redacted Irell O Despain Address Redacted Irene Ann Byrd Address Redacted Irene Arlene Wilson Trust Dtd 12-14-90 -Irene A & Harley J Wilson - Trustees Address Redacted Irene Arlene Wilson Trust Dtd 12-14-90, Irene A Wilson & Harley J Wilson, Trustees Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 254 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 257 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Irene Askelson Life Estate Address Redacted Irene Baumert Address Redacted Irene Belstad Address Redacted Irene Clara Ellingson Address Redacted Irene Foreman L/E Dale Foreman Poa Address Redacted Irene H Peterson LP C/O Rosemary Hodges Address Redacted Irene Helen Askelson Address Redacted Irene Jablonsky Address Redacted Irene Johnson Address Redacted Irene Jones Address Redacted Irene L Ovokaitys-Krentz Address Redacted Irene M Howard Life Estate Address Redacted Irene M Jolly Address Redacted Irene M Light Estate Larry R Rector - Pr Address Redacted Irene M Mccallum Address Redacted Irene M Meduna Address Redacted Irene Ramsey Address Redacted Irene Smith Bolander Clair Wiley Aif Address Redacted Irene Williams Address Redacted C/O Wang & Company Cpa Attn: Chris Ireservoir Com Inc Pernitza 10310 Westpark Drive Houston TX 77042 Iris Ann Foster Address Redacted Iris Byler Address Redacted Iris Danielson Address Redacted Iris Gerber Damson Kenneth Dubroff Aif C/O Cuddy & Feder LLP Address Redacted Iris J Eman Carlyle R Eman - Poa Address Redacted Iris J Hawley Address Redacted Irish Nine LLC PO Box 529 Plentywood MT 59254 Irish Oil & Gas Inc PO Box 2356 Bismarck ND 58502 IRISH OIL & GAS INC PO BOX 2356 Bismarck ND 58502 Irl R Robinson Jr Address Redacted Irma B Zoanni L/E Address Redacted Irma Jean S Chapman Address Redacted Iron Horse Inc PO Box 1408 213 3rd St South New Town ND 58763 Iron Horse Royalties LLC 114 West 7th St Ste 1220 Austin TX 78701 IRON HORSE ROYALTIES LLC 114 WEST 7TH ST STE 1220 Austin TX 78701 Iron Horse Tools LLC PO Box 7762 Corpus Christi TX 78467 Iron Horse, Inc. Iron Horse PO Box 1408 New Town ND 58763 Iron Mountain 1000 Campus Drive Collegeville PA 19426 IRON MOUNTAIN 1000 CAMPUS DR Collegeville PA 19426 IRON MOUNTAIN DATA CENTERS, LLC (SUCCESSOR TO MAG DATACENTERS) Address Redacted Iron Mountain Information Mgmt PO Box 915004 Dallas TX 75391-5004 Iron Mountain Off Site Data Protection Po Box 915026 Dallas TX 75391-5026 Iron Oil Operating LLC 2507 Montana Ave Billings MT 59101 Iron Oil Operating, LLC 2507 Montana Ave Billings MT 59101 Irongate Rental Services LLC PO Box 204427 Dallas TX 75320-4427 Ironshore Specialty Insurance Company 175 Berkeley Street Boston MA 02116 Ironworks Welding Inc PO Box 7 Dickinson ND 58602 Irrevocable Supply Needs Trust For Karrin M Rolfstad - Larry & Rosalinda Rolfstad-Trustees 11D Glendale Lane Rapid City SD 57702 Irvin Cowin Address Redacted Irvin H Russell Address Redacted Irvin J Frankel Address Redacted Irvin R Buckman Address Redacted Irvin, Tyler Address Redacted Irving Bruce Henke Address Redacted Irving Opperud Address Redacted Irw Holding Company LLC 711 Louisiana Suite 1660 Houston TX 77002 Irwin & Lois Traines Revocable Living Trust Irwin & Lois Traines Ttees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 255 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 258 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Irwin R Dunnell Address Redacted Isaac Epler Arriola & Linda Marie Arriola Address Redacted Isaacs Family LLC Xto Energy Inc Agent PO Box 730586 Dallas TX 75373-0586 Isabel M Breslin L/E Address Redacted ISABELLA VILLA CARRILLO & TOMAS ARROYO JT TEN Address Redacted ISABELLA VILLA CARRILLO & TOMAS ARROYO JT TEN Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Isabelle Breding Address Redacted Isabelle M Hughes Address Redacted Isabelle M Verretta Address Redacted Isco Industries LLC 1974 Solutions Center Chicago IL 60677-1009 ISN SOFTWARE CORPORATION 3232 MCKINNEY AVE SUITE 1500 Dallas TX 75204 Isn Software Corporation PO Box 841808 Dallas TX 75284-1808 Isotech Laboratories Inc PO Box 734607 Dallas TX 75373-4607 Isramco Energy LLC 1001 West Loop South Ste 750 Houston TX 77027 ISRAMCO ENERGY LLC 1001 W LOOP S STE 750 Houston TX 77027 ISRAMCO ENERGY LLC 1001 WEST LOOP SOUTH STE 750 Houston TX 77027 Isramco Resources LLC 2425 W Loop South Suite 810 Houston TX 77027 Iss Corporate Solutions Inc 702 King Farm Blvd Ste 400 Rockville MD 20850 ISSUETRAK 6160 KEMPSVILLE CIR SUITE 101B Norfolk VA 23502 Issuetrak Inc 6160 Kempsville Circle Ste 101B Norfolk VA 23502 Ister Pierce Smith Address Redacted Iva Bauste Address Redacted Ivan Cayko Address Redacted Ivan Chiplinsky Address Redacted Ivan F And Helen A Ottoman Joint Tenants Address Redacted Ivan G & Martha V Cayko Address Redacted Ivan Kubas Address Redacted Ivan Lee & Wilma J Mero Address Redacted Ivan P Roller 1129 18th St West Dickinson ND 58601 IVANTE 10377 S JORDAN GATEWAY STE 110 South Jordan UT 84095-3972 IVER A LUND AND MINNIE R LUND Address Redacted Iver A Lund And Minnie R Lund Irrevocable Trust James W Lund, As Trustee Address Redacted Iver Tofte Family Mineral Tr Joseph R & David M Tofte - Trs Address Redacted Iver Tofte Revocable Trust David M & Joseph R Tofte Ttees Address Redacted Ivernia Exploration Company C/O Ivernia West Plc Ivernia Hall 97 Henry Street Limerick Ivernia Exploration Holding Lt C/O Ivernia West Plc Ivernia Hall 97 Henry Street Limerick Iverson Family Mineral Trust Address Redacted Ivey Creek Properties LLC PO Box 415 Buffalo WY 82834 Ivy M Wold 14160 182nd St Chippewa Falls WI 54729 Iwy W & Sharon A Obrigewitch Revocable Living Trust - Iwy & Sharon Obrigewitch - Trustees Address Redacted Izak Loeks Address Redacted Izak Loeks c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 IZETTA HOPKINS C/O PRINGLE & HERIGSTAD, P.C. ATTN: REED A. SODERSTROM 2525 ELK DRIVE PO BOX 1000 Minot ND 58701 2525 Elk Drive PO BOX Izetta Hopkins C/O Pringle & Herigstad, P.C. Attn: Reed A. Soderstrom 1000 Minot ND 58701 J & A Services LLC 3166 Pipe Court Grand Junction CO 81504 J & C Enterprises Inc PO Box 1096 Vernal UT 84078 J & D Hild LLC PO Box 4 La Grange TX 78945 J & D Kuykendall Fam Min Tr Virginia Leland, Patricia Boe James Kuykendall (Trustees) Address Redacted J & J Energy LLC 300 N Sorrel Ct Show Low AZ 85901-2789 J & J Farm Supply 1511 Hwy 82 Po Box 117 Plains TX 79355 J & J Living Trust Josephine Stoltz, Dennis G Stoltz & Sandra Penner - Tr Address Redacted J & J Pipe & Supply Inc PO Box 276 Ganado TX 77962 J & J Rental LLC PO Box 1150 New Town ND 58763 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 256 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 259 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country J & L Fencing & Pitliners Inc PO Box 165 Sidney MT 59270 J & L Fencing & Pitliners, Inc Attn: Kelly Brooke Greef PO Box 165 Sidney MT 59270 J & M Disposal Address Redacted J & M Trucking Inc 5780 W Yellowstone Casper WY 82604 J & W Services & Equipment Company Po Box 11021 Midland TX 79702 J A & Barbara Tompkins Trust Dtd April 4, 2002 J A Tompkins & Barbara Tompkins, Trustees Address Redacted J A Krinbring And Mrs W F Hamilton Joint Tenants Address Redacted J A Markle Address Redacted J Adrian Padon Jr Trust Marian Anderson Trustee Address Redacted J And R Hunter LLC 13988 Cr 347 Fairview MT 59221 J B Griffis Holdings LLC PO Box 2983 Midland TX 79702 J B GRIFFIS HOLDINGS LLC PO BOX 2983 Midland TX 79702 J C Goll Address Redacted J C Nealey Address Redacted J C Searcy Jr Family Trust Uw Address Redacted J C Searcy Jr Marital Trust Uw Address Redacted J Christopher Dykes Address Redacted J Christopher Dykes Revocable Trust Dtd 10-10-12 Address Redacted J Cleo & James Cleo Thompson Address Redacted J Cleo Thompson Address Redacted J Clifford Gunter Iii Address Redacted J Clyde Tomlinson Sr Estate Tr M Tomlinson, J Tomlinson, & N E Loomis, Ind Executors Address Redacted J Custom Electric 11912 36th St Nw Watford City ND 58854 J Custom Electric Attn: Arlen Jacobson PO Box 756 Watford City ND 58854 J D Bacon & Glenna Mae Bacon H/W & Jtwros 6302 Vanderbilt Box 9765 Dallas TX 75214 J D Glasscock Address Redacted J D Sutton Inc 297894 State Hwy 53 Loco OK 73442-1501 J D Wrather Jr Estate Address Redacted J Dan Woolley Address Redacted J Diane Cunningham Address Redacted J Douglas Dale Address Redacted J E & Eleanor Gutschmidt Family Tr Dtd Dec 28, 1983 American State Bank Address Redacted J E Bragg Jr & Pamela J Bragg (Jt) Address Redacted J E Bragg Jr & Pamela J Bragg, H/W Address Redacted J E Carlson & Adeline C Carlson, H/W, Jtwros Address Redacted J E Hall Address Redacted J E Ulmer Jr Address Redacted

J Ewing Walker Investment Co C/O Alston Mccall Nelson Address Redacted J F Hyman, Deceased Address Redacted J Frank Bragg Jr Address Redacted J G Iv - Use #39761 Address Redacted J Godon Polanchek Family Trust Linda Polanchek - Trustee Address Redacted J Gordon Bristow Jr Address Redacted J Gordon Polanchek & Linda K Polanchek, Joint Tnts Address Redacted J Group Energy I LLC 6900 S Gray Road Indianapolis IN 46237 J GROUP ENERGY I LLC 6900 S GRAY ROAD Indianapolis IN 46237 J Hiram Moore Ltd 16400 Dallas Parkway Ste 400 Dallas TX 75248 16400 DALLAS PARKWAY STE J HIRAM MOORE LTD PARTNERSHIP PROVIDENCE ENERGY LTD AIF 400 Dallas TX 75248

J Hiram Moore Ltd Partnership Providence Energy Ltd Aif 16400 Dallas Parkway Ste 400 Dallas TX 75248 J Howard Blackham & Bertha Blackham Family Trust David H Blackham - Trustee Address Redacted J Howard Blackham Bertha Blackham Address Redacted J I Staley C/O J J Staley Iii Address Redacted J J Henderson Address Redacted J J Kilzer Trust Paul J Schmidt, Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 257 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 260 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country J Jeffrey Hurley Address Redacted J K Brown Holdings Inc 1800 Glenarm Place Ste 1001 Denver CO 80202 J K Glenn & Sharon M Glenn Jt Address Redacted J Kamp Oil LLC PO Box 331 Beach ND 58621 J KAMP OIL LLC PO BOX 331 Beach ND 58621 J Kelly Mccolm Address Redacted J Kent Trenbeath Address Redacted J Kitzman Memorial Trust William E Kitzman - Trustee Address Redacted J Kyle Carter Address Redacted J L A Trust 2 Address Redacted J Lamae Mitchell Address Redacted J Lanham Higginbotham Iii Address Redacted J Lanham Higginbotham Jr Tr J Lanham Higginbotham Jr Trtee Address Redacted J Lee Minerals LLC 1659 6th Street East West Fargo ND 58078 J M Bryan Address Redacted J M Gahr Address Redacted J M Schultz Investment LLC PO Box 218 Effingham IL 62401 J M Test Systems PO Drawer 45489 Baton Rouge LA 70895 J M Vess Address Redacted J M Welborn Trust Uad 10/23/92 Ernestine Welborn Trustee American State Bank Trustee Address Redacted J M Woods Co LLC 3404 Racquet Drive Billings MT 59102 J Michael Borden Address Redacted J Mike Caudle Address Redacted J Nadine Kainz Life Estate Address Redacted J Nelson Wood Revocable Living Trust J Nelson Wood, Ttee Address Redacted J Norman Ellison Sr Residuary Trust - Us Bank Na - Trustee Address Redacted J O Well Service & Testing Inc 6825 Lea Pick Rd Commercial Park East Mt Pleasant MI 48858 J O Westlund Address Redacted J P Furlong Enterprises Inc PO Box 2357 Bismarck ND 58502 J Patrick & Peggy L Schmitt Mineral Trust Address Redacted J Paul Mathias Address Redacted J Pfister Address Redacted J Prentiss Scott Address Redacted

J R Chitwood Trust Dtd 4/17/90 Sharon Bratcher, Trustee Address Redacted J R Glennon Inc PO Box 1605 Red Lodge MT 59068 J R Holcomb Associates Inc PO Box 1771 Englewood CO 80151 J Ray Stebbins Jr Grant Case Stebbins Poa Address Redacted J Robert Higham Address Redacted J Robert Outerbridge Address Redacted J Stanley Fikes Family Investments Ltd Address Redacted J Stanley Fikes Jr Address Redacted J Stephen Mercer Address Redacted J Steve Anderson Iii Address Redacted J Timothy Brittan Address Redacted J Virginia Mitchell Address Redacted J W Andrews Jr Address Redacted J W Baird Jr Dennis Joslin Company LLC Account #4169A Address Redacted J W Knaggs Address Redacted J W Neal Address Redacted J W Wakefield Address Redacted J W Walraven Address Redacted J W Wing Trust Vicki J Chapman Ttee Address Redacted J Walter Duncan Jr Inc Address Redacted J Walton Oil & Gas LP PO Box 776 Kermit TX 79745 J&M Obrigewitch Family Mineral Trust Dtd Nov 2, 2012 Magdelena Obrigewitch, Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 258 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 261 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country J. M. Taylor Address Redacted J. P. MORGAN SECURITIES LLC Address Redacted J.C. Goll Address Redacted J.H.R. Inc 533 Washington Ave Bridgeville PA 15017 J.M. Mineral & Land Co., Inc. PO Box 1015 Midland TX 79702 J.P. Furlong Co Attn: Timothy P. Furlong 2101 46th Avenue Southeast #2 Mandan ND 58554 J.P. Furlong Co. PO Box 2357 Bismarck ND 58502 J.P. MORGAN Address Redacted

J.P. Morgan Chase Bank Na/Fbo Blackrock Ctf Attn: Corporate Actions 14201 Dallas Pkwy Floor 12 - Corp Actions Dept Dallas TX 75254 J.P. Morgan Clearing Corp. Attn: Corporate Actions 14201 Dallas Parkway 12th Floor Dallas TX 75254 500 Stanton Christiana J.P. Morgan Clearing Corp. John Fay Road Ops 4, Floor 03 Newark DE 19713-2107 14201 Dallas Parkway, 12th J.P. Morgan Clearing Corp. Marcin Bieganski Fl Dallas TX 75254 J.P. MORGAN SECURITIES LLC 925 WESTCHESTER AVE STE 405 West Harrison NY 10604 500 STANTON CHRISTIANA J.P. MORGAN SECURITIES LLC MICHAEL PELLEGRINO ROAD CORP ACTIONS 3RD FL Newark DE 19713-2107 J.R. Batemen Jr Address Redacted J3 Exploration LLC PO Box 1881 Dickinson ND 58602 J6 Consulting LLC PO Box 345 Lapoint UT 84039 Jab Rentals Inc Dba Jab Services Po Box 14738 Odessa TX 79768 Jablonski Rev Tr Dtd 11-19-02 Roberta J Jablonski & John J Jablonski Trtees Address Redacted Jablonsky Revocable Trust U/A/D 11-19-2002 Robert J Jablonsky & John J Jablonsky, Trustees Address Redacted Jabo Properties LP PO Box 2369 Glen Rose TX 76043 Jaborski Trust Dtd 3-1-99 Andrew J & Cathleen E Jaborski Trustees Address Redacted Jac Family Trust Dtd 6-19-19 Address Redacted

Jac Family Trust Dtd 6-19-19 Lannie Fladeland - Trustee Address Redacted Jac Goldstucker Address Redacted Jacalyn A Murray Address Redacted Jacalyn Marie Willer Address Redacted Jacalyn Roberts Address Redacted Jacam Chemicals 2013 LLC PO Box 96 205 S Broadway Sterling KS 67579 Jacam Chemicals 2013, LLC Legal Department 205 S Broadway Sterling KS 67579 Jaci Monson Address Redacted Jack A Carlson Address Redacted Jack Alan Prather Rev Trust Nathan White Jr Trustee Address Redacted

Jack Allen Henning Trust Anastasia Lee Henning Trustee Address Redacted Jack And Aneda Fladeland Address Redacted Jack And Aneda Fladeland Rev Trust Dtd 12-14-18 Address Redacted Jack And Kathleen Sutton Address Redacted Jack And Raylene Odegard Address Redacted Jack C & Eileen H Mollohan Address Redacted Jack C Staley Deceased Address Redacted Jack Chosnek Jack Chosnek 607 N Elder Grove Dr Pearland TX 77584 Jack Clarence Martin Address Redacted Jack Crain Jr Address Redacted Jack Crawford Address Redacted Jack D Feuer Address Redacted Jack D Sutherland & Judy Sutherland Address Redacted Jack Daniel Williams Address Redacted Jack E And Mary Susan King Jtwros Address Redacted Jack E Braun Address Redacted Jack E Earnest Address Redacted Jack E King Address Redacted Jack Feehan Address Redacted Jack Hedstrom & Charleen Hedstrom J/T Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 259 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 262 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jack Hoffman Address Redacted Jack Hoffman Investments LLLP 14642 43rd St New Williston ND 58801 Jack K Stevens Aka John Address Redacted Jack King Address Redacted Jack L & Aneda D Fladeland Jt Address Redacted Jack L Fletcher Address Redacted Jack L Jenovese Address Redacted

Jack L Pennington Estate Janelle L Gorder Personal Rep Address Redacted Jack M & Marcia Neumayer Address Redacted Jack M Bair Address Redacted JACK NADAL INC. 8701 BELLANCA AVE. Los Angeles CA 90045 Jack Nadal, Inc 8701 Bellanca Ave Los Angeles CA 90045 Jack Nadel International PO Box 8342 Pasadena CA 91109-8342 Jack O Nutter II C/O Nutter & Harris Address Redacted Jack P Haesly Address Redacted Jack P Morgan & Elizabeth O Morgan J/T Address Redacted Jack R Wilson Guy M Wilson, Poa Address Redacted Jack Rasmusson Address Redacted Jack Rosenthal Address Redacted Jack S Burden, Ii Address Redacted Jack Scarborough Address Redacted Jack Schaff Address Redacted Jack Skipper Address Redacted Jack T Lowder Address Redacted Jack T Massey Company LLC Trust Company Of Oklahoma PO Box 3627 Tulsa OK 74101-3627 Jack Thomas Tester Address Redacted Jack W Paris Address Redacted Jack Wagoner Address Redacted Jacki Timm Rohan Address Redacted Jackie A Klimpel Trust Jackie Ann Klimpel - Trustee Address Redacted Jackie Ann Klimpel Address Redacted Jackie D Devine Address Redacted Jackie Flynn And Margaret Flynn Hw Address Redacted Jackie King Moore Address Redacted Jackie L Severance Address Redacted Jackie Lee Fiscus Address Redacted Jackie Lee Fiscus And Shirley Address Redacted Jackie Lee Fiscus And Shirley A Fiscus Joint Tenants Address Redacted JACKIE LEE FISCUS AND SHIRLEY FISCUS Address Redacted Jackie Lou Becker Address Redacted Jackie Lynn Gjermundson Address Redacted Jackie Neumann Address Redacted Jackie Stephens Address Redacted Jackie Taylor Address Redacted Jacklyn A Leiss Address Redacted Jacklyn S Branch Address Redacted Jackolene L Anheluk Address Redacted Jacks Peak LLC Address Redacted Jackson Family Trust 9-6-2013 Robert G & Jane E Jackson Co-Trustees Address Redacted Jackson Family Trust Janet Lynne Asbill, Julie Kay Henson & Debra Joyce Bott - Tr Address Redacted Jackson L Ring Address Redacted JACKSON WALKER 1401 MCKINNEY ST. SUITE 1900 Houston TX 77010 Jackson Walker LLP Attn: Kendra Gradney 100 Congress Avenue Suite 1100 Austin TX 78701 Jackson, Andrea Address Redacted Jackson, Bryant Address Redacted Jackson, Katie Address Redacted Jaco Production Company PO Box 82515 Bakersfield CA 93380

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 260 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 263 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jacob & Deborah Miller Jr Ttes Jacob W Miller Jr & Deborah K Miller Rev Liv Tr Dtd 8/29/06 Address Redacted Jacob & Eva Irrev Mineral Tr Jacob Focht Trustee Marilyn Hondl Trustee Address Redacted Jacob A Selinger Address Redacted Jacob Allen Unruh Address Redacted Jacob Austin Warrington Address Redacted Jacob D Eisel Address Redacted Jacob Daniel Nottestad Address Redacted Jacob Donner Address Redacted Jacob Focht Address Redacted JACOB JOHNSON Address Redacted Jacob Lee Schmitz Address Redacted Jacob O Kane Address Redacted Jacob Parker Address Redacted Jacob S Ulrich C/O David G Moring Address Redacted Jacob Scott Hilton Jeffrey Hilton, Custodian Address Redacted Jacob Thiemans Address Redacted Jacob Tompkins Address Redacted Jacob W. Jorishie Jr. Address Redacted Jacob Wayne Johnson Address Redacted Jacobson, Colin Address Redacted Jacobus Management Trust Sarah Jacobus Trustee Address Redacted Jacolyn Nelson Living Trust Jacolyn Rae Nelson - Trustee Address Redacted Jacolyn R Nelson Address Redacted Jacque D Wing Address Redacted Jacqueline A Anderson Ttee Jacqueline A Anderson Rev Tr Dtd 4/4/12 Address Redacted Jacqueline A Buckley Address Redacted Jacqueline A Odermann Address Redacted Jacqueline A Warmbo Revocable Trust Dtd 9-24-08 Jacqueline A Warmbo - Tr Address Redacted Jacqueline C Lahm Address Redacted Jacqueline D Lahtinen Address Redacted Jacqueline D Monson Revocable Address Redacted Jacqueline E Moran Address Redacted Jacqueline F Carter Address Redacted Jacqueline Hall Address Redacted Jacqueline J Karsky Odegard Address Redacted Jacqueline K Miller Address Redacted Jacqueline Kaye Hallett Address Redacted Jacqueline Kovash Address Redacted Jacqueline L Erickson Address Redacted Jacqueline Link Address Redacted Jacqueline M Herbert Address Redacted Jacqueline R Bolken Address Redacted Jacqueline Rae Ritz Address Redacted Jacqueline Renbarger Address Redacted Jacqueline Warmbo Address Redacted Jacquelyn & Raymond Forno Address Redacted Jacquelyn Engquist Clair Schaff - Jt Address Redacted Jacquelyn L Forno Address Redacted Jacquelynn Mckay Address Redacted Jacqulyn Joy Hawn Sexton Address Redacted Jaculin Obrigewitsch Address Redacted Jaculyn Ackerman Address Redacted Jade Demorrett Address Redacted Jade Energy LLLP C/O Darwin Ballantyne 3535 Harding Farm Ln Colorado Springs CO 80930-9520 Jadon J Henke Address Redacted Jag Oil Limited Partnership PO Box 4190 Scottsdale AZ 85261 JAG OIL LIMITED PARTNERSHIP PO BOX 4190 Scottsdale AZ 85261 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 261 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 264 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jagadeesan Sethuraman Address Redacted Jaime Arriaga Garcia Address Redacted Jaime Ganc and Susan M. Ganc Address Redacted Jaime Paul Shoemaker Address Redacted Jake C Hendricks Address Redacted Jake Energy Inc Address Redacted Jake Finsaas Address Redacted Jakke Hall Address Redacted Jal Interests LLC 4516 Lovers Lane Pmb #413 Dallas TX 75225-6925 Jalynn Francis Sanders Address Redacted James & Charlyn Peterson Address Redacted James & Charlyn Peterson Family LLLP 3518 Mayo St Eau Claire WI 54701 James & Cynthia Romo Address Redacted James & Dorothy Waddell Family Trust Address Redacted James & Earnestine Osborn Address Redacted James & Jody Renbarger Address Redacted James & Kati Maines LLC 521 N 16th St Frederick OK 73542 JAMES & LORETTA TESCHER Address Redacted James & Mary Domaskin Address Redacted James & Sharon Moline Address Redacted James & Vicki Miller Address Redacted James A & Alana Larson Jt Address Redacted James A & Diana Gullikson Jtwrs Address Redacted James A & Linda M Bieber Address Redacted James A & Rebecca May Long Address Redacted James A Bieber Address Redacted James A Bronson Address Redacted James A Claughton Address Redacted James A Crowley & Jacqueline Ann Crowley Address Redacted James A Dettinger Address Redacted James A Dolan Address Redacted James A Dolyniuk Address Redacted James A Ferri Address Redacted James A Graham Address Redacted James A Hayes Address Redacted James A Henderson & Johanna Henderson Jtwros Thomas Henderson Poa Address Redacted James A Henderson Thomas Henderson Poa Address Redacted James A Hickel & Angelina C Hickel Address Redacted James A Hobson Address Redacted James A Holland Address Redacted James A Howey Address Redacted James A Humphrey Address Redacted James A Johnson Address Redacted James A Kary Address Redacted James A Luttrell Address Redacted James A Muri Address Redacted James A Murray Trust James A Murray - Trustee Address Redacted JAMES A NORGARD AND CAROL NORGARD Address Redacted James A Norgard Life Estate Address Redacted James A Odermann Address Redacted James A Parker Address Redacted James A Pesek Address Redacted James A Rixen Address Redacted James A Scissons Address Redacted James A Scott Address Redacted James A Seidel Address Redacted James A Smith Address Redacted James A Thompson And Mariland R Thompson H/W Address Redacted James A Ward Address Redacted James A Watts Address Redacted James A Wright Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 262 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 265 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James Alan Aamodt Address Redacted James Alan Peterson Address Redacted James Allen Address Redacted James And Carol Moorhead Jts Remainder Thereafter In Equal Address Redacted James And Judy Engstrom Jt Address Redacted James And Sharon Moline Family Mineral Trust James K Moline Trustee Address Redacted James Andrew Patten Address Redacted JAMES ARENELLA Address Redacted James Arthur Hunter Address Redacted James Asbeck Address Redacted James Asbeck Estate Jackie & Lance Waller - Pr Address Redacted James B & Marilyn V Jackson Address Redacted James B & Wilys Claire Nelson Co Ttee Of The James B & Stephen M & Mary E Nelson, Poa Address Redacted James B Donnelly Address Redacted James B Gilmore Succ Ttee James & Nila Gilmore Rev Lv Tr Address Redacted James B Hill Address Redacted James B King Address Redacted James B Louis Address Redacted James B Luchi Address Redacted James B Smith Address Redacted James B Stanley Address Redacted James B Williams Address Redacted James Barlow Family LP Address Redacted James Barta Address Redacted James Batson Address Redacted James Benjamin Lambert Irr, Tr Address Redacted James Bennett Mckenzie Jr Address Redacted James Bentson Address Redacted James Bilden Address Redacted James Blake Smith Address Redacted James Blankenship & Ramona Blankenship Address Redacted James Blumberg Jr Address Redacted James Borseth Address Redacted James Bradley Sherred Address Redacted James Brazil Address Redacted James Bruins Address Redacted James Burgess Carlson Address Redacted James C Aho C/O George Aho Address Redacted James C And Karen Jensen Address Redacted James C Anderson Address Redacted James C Brady Jr Trust James C Brady, Jr, James C Brady Iii & Henry A Babcock Jr Co-Trustees Address Redacted James C Byler Address Redacted James C Chisholm Address Redacted James C Druyff Trst- 05252006 James Calvin Druyff, Trustee Address Redacted James C Hardy Address Redacted James C J And Rose L Martin Address Redacted James C Jensen Address Redacted James C Jurgens Address Redacted James C Reed Address Redacted James C Reeder Address Redacted James C Sheets Address Redacted James C Trott Address Redacted James C Wiley Address Redacted James C Wilson Estate Jamie Wilson Exec Admin Address Redacted James C Woolley Jr Mgmt Tr Bank Of America Trustee Address Redacted James Cain Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 263 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 266 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James Carkuff Address Redacted James Carkuff c/o Vogel Law Firm Attn: Drew J. Hushka 218 NP Ave. PO Box 1389 Fargo ND 58107-1389 James Carl Ritter Address Redacted James Catlin Address Redacted James Chandler Gilmore Heritage Trust - James Chandler Gilmore - Trustee Address Redacted James Christopher Davis Address Redacted James Clifton Van Alstine Address Redacted James Clifton Waters Address Redacted James D & Barbara A Erickson Jtwrs Address Redacted James D & Elaine Gray Family Mineral Trust Address Redacted James D & Jody Renbarger Jt Address Redacted James D Boltz Jr Address Redacted James D Cirar Address Redacted James D Cirar Ttee, James D Cirar Rev Living Trust 4/A 7/1/02 Address Redacted James D Cline Address Redacted James D Drummond Address Redacted James D Monroe Address Redacted James D Renbarger Address Redacted James D Rogness Address Redacted James D Rogness & Susan M Rogness J/T Address Redacted James D Shultz Address Redacted James D Stanley Address Redacted James D Stevens Address Redacted James D Vogele Address Redacted James D Vogele & Lois E Vogele H/W Address Redacted James D Woolley Address Redacted James D. Smith, MD Address Redacted James David Duletski Address Redacted James David Dykes Address Redacted James David Mayfield Address Redacted James David Thames Address Redacted James Dickerson Address Redacted James Donald Njos Address Redacted James Drievold Tangeman Address Redacted James Duffey Address Redacted James Durelle Jackson Trst Bank Of America, Na Trste Address Redacted James Dysland Address Redacted James E & Goldie M Littlefield Trust- Goldie M Littlefield- Trustee- Twila Thome Poa Address Redacted James E & Judy D Mccloskey Joint Tenants Address Redacted James E Benson Address Redacted James E Brodman Life Estate Address Redacted James E Brown & Cheryl A Brown Trustees Of The James E And Cheryl A Brown Living Trust Address Redacted James E Catlin Address Redacted James E Dobrovolny Address Redacted James E Engle Address Redacted James E Farnam Address Redacted James E Fidler & Catherine Madonia J/T Address Redacted James E Garmann Address Redacted James E Gedeon Address Redacted James E Horton Address Redacted James E Houle Address Redacted James E Hovde Address Redacted James E Madden Address Redacted James E Messler Trustee James And Carolyn Messler Living Trust Address Redacted James E Moffett Address Redacted James E Murphy Address Redacted James E Nesland Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 264 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 267 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James E Nicola 3G LLC C/O Patty Elick 122 Willowleaf Drive Littleton CO 80127 James E Nostdahl Address Redacted James E Thiessen Address Redacted James E Tidwell Address Redacted James E Tidwell Family Trust Uad 6/7/08 - James Elliott & Gladys B Tidwell - Trustees Address Redacted JAMES E. CATLIN Address Redacted JAMES EARL FOWLER Address Redacted James Earl Remington Patricia R Remington Address Redacted James Earnest Hiett Address Redacted James Edward Brooks Estate C/O Meg Brooks Ind Executor Address Redacted James Edward Giles C/O Terri Zoeller Poa Address Redacted James Edwin Hill Jr Address Redacted James Evans Address Redacted James Ezra Mccloskey Address Redacted James F & Barbara Griffin Revocable Trust Dated 12/11/96 Address Redacted James F Bolls Address Redacted James F Carpenter Address Redacted James F Dockrey Address Redacted James F Gripp Address Redacted James F Monsour Jr Address Redacted James F Schleuder Address Redacted James F Smith Address Redacted James F Tank Jr & Jill D Tank As J/T & Life Estate Address Redacted James F. Smith Address Redacted James Falick Address Redacted James Fargher & Elizabeth Fargher J/T Address Redacted James Frederick Ridge Jr Address Redacted James Frederick Turner Address Redacted James Fulton Crumpler Jr. Address Redacted James G Heil Address Redacted James G Horst Address Redacted James G Krahn Address Redacted James G Longtin Address Redacted James G Mcculloch Address Redacted James G Morris Address Redacted James G Parker Address Redacted James G Parker Jr Address Redacted James G Savory Address Redacted James G Wakefield Address Redacted James Gapp Address Redacted James Goebel Address Redacted James H Butler Address Redacted James H Glaeser Address Redacted James H Glanville 2007 Trust Jill S Glanville - Trustee Address Redacted James H Grady Address Redacted James H Heath Address Redacted James H Iversen Address Redacted James H Johnsrud Address Redacted James H Karst Ttee Of The Trust Dtd 11/21/84 Address Redacted James H Luther Royalty LLC Address Redacted James H Morren James H Morren Jr Aif Address Redacted James H Schlatter Address Redacted James H Simcox Address Redacted James H Simcox And Clare E Simcox Husband & Wife Address Redacted James H Smart Jr Address Redacted James H Wolf Address Redacted James H. Hughey Address Redacted James Hansen Address Redacted James Harold White Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 265 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 268 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James Helferich Address Redacted James Helling Address Redacted James Henke Address Redacted James Hollingsworth Address Redacted James Houston Taliaferro Address Redacted James Howard Clatterbuck Address Redacted James I Flood Address Redacted James Isom Address Redacted James J & Sharon Ketterling Joint Tenants Address Redacted James J Beagle Address Redacted James J Johnson & Laurice Johnson Address Redacted James J Kuznia Address Redacted James J Volker Address Redacted James Jacobs Jr Address Redacted James Joseph Obrien Address Redacted James K Crain Address Redacted James K Hays Address Redacted James K Peterson & Charlyn M Peterson Address Redacted James K Russell Address Redacted James Karst Address Redacted James Keith Bates Address Redacted James Kendal Mccann Jr Address Redacted James Kessel Address Redacted James Koch Address Redacted James Kraft Address Redacted James L & Darlene Burns Joint Tenants Address Redacted James L & Linda Robbins Jtwros Address Redacted James L & Rita M Grantier Joint Life Estate Address Redacted James L & Roberta P Lotspeich Jtwros Address Redacted James L Blumberg Sr Richard J Gabriel Aif Address Redacted James L Boedeker Address Redacted James L Courdin Address Redacted James L Dundas Address Redacted James L Dunn Address Redacted James L Greene Iii Address Redacted James L Harden Iii Address Redacted James L Hinkle Address Redacted James L Howard Address Redacted James L Kline & Arline P Kline Revocable Trust Sharon A Skretting - Trustee Address Redacted James L Moe Address Redacted James L Moore Estate Nicky Lynn Roberts Ind Exec Address Redacted James L Niemitalo Address Redacted James L Parmele Address Redacted James L R Hosey Address Redacted James L Reis Address Redacted James L Rice Address Redacted James L Rulla Address Redacted James L Taylor Minerals Trust Kent Taylor - Trustee Address Redacted James L Valentine Address Redacted James L Welter Jr Address Redacted James L Willey Address Redacted James Leon Johnston Address Redacted James Little Elliott Address Redacted James Lorenz Address Redacted James Lysne Address Redacted James M & Karen L Borseth Life Estate Address Redacted James M & Kimberly L Landmark Jtwrs Address Redacted James M & Linda L Simonsen Jtwros Address Redacted James M & Vickie M Lotz Address Redacted James M Allred Address Redacted James M Calder Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 266 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 269 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James M Hope Address Redacted James M Irgens Address Redacted James M Kennedy Jr Address Redacted James M Kilzer Address Redacted James M Landmark Address Redacted James M Makowski Address Redacted James M Muri Address Redacted James M Oneill Address Redacted James M Peplinski Address Redacted James M Ruckdashel & Josephine H Ruckdashel Address Redacted James M Tiegen Address Redacted James M Ukestad Address Redacted James M Waddell Jr Trust Joann Humphries - Trustee Address Redacted James M Warner Address Redacted James M Weber Address Redacted James M Wilson Address Redacted JAMES M. DESMOND Address Redacted James Mahoney Address Redacted James Mark Hays Address Redacted James Mayer Address Redacted James Mcculley Address Redacted James Mcmurtry Address Redacted James Michael Babbitt Address Redacted James Michael Irgens Living Trust Dtd 10-26-17 - James M & Linda B Irgens - Trustees Address Redacted James Michael Jobe Family Gst Tr James Michael Jobe Ttee Address Redacted James Michael Oneill C/O James A Oneill Md Address Redacted James Moberg Address Redacted James Mohrherr Address Redacted James Monnahan Address Redacted James Monson Address Redacted James N Cogdell Address Redacted James N Ellison Address Redacted James N Hill Address Redacted James N Sands Address Redacted James Nesseth Address Redacted James O Anderson Address Redacted James O Anderson & Carol Anderson Jts Address Redacted James O Brigham Address Redacted James O Knudtson & Emily Knudtson Address Redacted James O Shafer Address Redacted James Odermann Address Redacted James Oil Well Service Inc Address Redacted James Otis Duncan Address Redacted James P Ausk & Jo Arlene Ausk J/T Address Redacted James P Bailey Address Redacted James P Baillargeron Address Redacted James P Denowh Address Redacted James P Denowh Life Estate Address Redacted James P Lewis Address Redacted James P Marquardt Address Redacted James P Mcgearty & Elisabeth T Mcgearty, H/W & Joint Tenants Address Redacted James P Murphy Address Redacted James P Oconnor Address Redacted James P Oursland & Susan P Oursland, J/T Address Redacted James P Riggs Living Trust Richard A Pulley Trustee Address Redacted James P Sherman Address Redacted James P Sweeney Address Redacted James Patrick Adams Address Redacted James Patrick Dowhaniuk Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 267 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 270 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James Patrick Jones Address Redacted James Patrick Moultrup Address Redacted James Paullin Address Redacted James Perdue Address Redacted James Persinger Address Redacted James Pesek Revocable Trust Dtd 8-9-11 - Todd Pesek - Tr Address Redacted James Phillip Reed 2221 East St Golden CO 80401 James Phillip Espy Address Redacted James Powers Address Redacted James Prentiss Scott Jr Address Redacted James R & Barbara R Jacobson Family Mineral Trust Todd M Jacobson Trustee Address Redacted James R & Marlis A Pilgrim Address Redacted James R & Sally Jane Oltmans Joint Tenants Address Redacted James R Arthaud Address Redacted James R Brose Address Redacted James R Brose & Judy M Brose Irrev Min Trust James & Judith Brose Trtees Address Redacted James R Carter Address Redacted James R Cvancara Address Redacted James R Engel Address Redacted James R Erickson Address Redacted James R Fink And Mary A Fink Hw Address Redacted James R Hannegrefs Address Redacted James R Heiny Trust James R Heiny Trustee Address Redacted James R Herigstad Address Redacted James R Hill Family Limited Partnership Address Redacted James R Howell Address Redacted James R Hurt Address Redacted James R Johnston II Address Redacted James R Kuykendall Address Redacted James R Lee Address Redacted James R Lucas Address Redacted James R Luhman Address Redacted James R Marshall Address Redacted James R McCaffrey Address Redacted James R Oconnell Jr Trust Citizens National Bank Address Redacted James R Olson Address Redacted James R Pace Estate Robin P Akers Executor Address Redacted James R Simons Address Redacted James R. & Sharon N. Riley Address Redacted James Raan Address Redacted James Radogna Address Redacted James Reminder Address Redacted James Rixen & Marilyn Rixen Address Redacted James Robert Flickinger Address Redacted James Robert Scioneaux Address Redacted James Robert Vitt Address Redacted James Romo Address Redacted James Russell Lilly Rv Mgmt Tr James Russell Lilly, Michael R Lilly,Elizabeth Keir Lilly, Tr Address Redacted James Russell Proctor Address Redacted James S Archer Address Redacted James S Enge Address Redacted James S Epler Address Redacted James S Keniston Address Redacted James S Singer Address Redacted James Salvevold Address Redacted James Schmoker Address Redacted James Schroeder Heirs Rev Trst Address Redacted James Scott Furrh Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 268 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 271 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country James Scott Lewis Address Redacted James Scott Wendegatz Address Redacted James Sloan Everett Address Redacted JAMES SLOAN EVERETT, SLOANS TRUSTS PARTNERSHIP Address Redacted James Sloan Thompson Address Redacted James Sondrol Address Redacted James Stevens Address Redacted James Stevens And Cindy Stevens Joint Tenants Address Redacted James Sticka Address Redacted James Stricherz Address Redacted James T Chavez Address Redacted James T King Address Redacted James T S Welborn Charitable Remainder Unitrust Prosperity Bank Trustee Address Redacted James T S Welborn Unitrust Jts Welborn Co-Trustee Prosperity Bank Co-Trustee Address Redacted James T Spaziani Address Redacted James T Spratlin Address Redacted James T Stroh Address Redacted James Tabbert Address Redacted James Tate Thigpen Md Address Redacted James Teague Address Redacted James Terrence Purcell & Rita R Purcell Revoc Lvg Trust Rita R Purcell, Trustee Address Redacted James Thompson Address Redacted James Todd Graves Address Redacted James Tracey Address Redacted James Turbyfill Address Redacted James V Abram Address Redacted James V Burnett Address Redacted James V G Wilson Jr Address Redacted James V Lee Address Redacted James V Matteucci Address Redacted James V Woehl & Peggy J Woehl Address Redacted James Verplancke Address Redacted James Vg Wilson Iii Address Redacted James W & Rhonda H Hunter As Joint Tenants Address Redacted James W Bolen Address Redacted James W Carkuff Address Redacted James W Engmann And Connie M Wenzel Address Redacted James W Ervin Jr Address Redacted James W Fortier Address Redacted James W Funk Jr Address Redacted James W Haefele Address Redacted James W Hall Address Redacted James W Hamilton Address Redacted James W Hecker Address Redacted James W Hunter Rhonda H Hunter J/T Address Redacted James W Rush Address Redacted James W Soine Address Redacted James W Taylor Address Redacted James W Williams Jr Address Redacted James W. Day Address Redacted James Wade Stephens Address Redacted James Wandersee Address Redacted James Westaby Address Redacted James Yockim Resources LLC PO Box 2344 Williston ND 58802 James, Katherine Address Redacted Jamestown College PO Box 6088 Jamestown ND 58401 Jamex Marketing, LLC Attn: James Ballengee 5151 Beltline Rd. Suite 715 Dallas TX 75254 Jamex Marketing, LLC c/o Forshey & Prostok, LLP Attn: Jeff P. Prostok 777 Main Street #1550 Fort Worth TX 76102-5304 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 269 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 272 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jamex Marketing, LLC C/O Joel W. Reese 750 N. St. Paul Street #600 Dallas TX 75201 Jamex Marketing, LLC C/O Leslie Chaggaris 750 N. St. Paul Street #600 Dallas TX 75201 Jamex Marketing, LLC C/O Pete Marketos 750 N. St. Paul Street #600 Dallas TX 75201 Jamex Marketing, LLC C/O Reese Marketos 750 N. St. Paul Street #600 Dallas TX 75201 JAMEX MARKETING, LLC C/O REESE MARKETOS 750 N. ST. PAUL STREET #600 #2655 Dallas TX 75201 Attn: Joel W. Reese, Pete Marketos, Leslie Chaggaris, & Tyler Jamex Marketing, LLC c/o Reese Marketos LLP J. Bexley 750 N Saint Paul St Suite 600 Dallas TX 75201-3201 Jamey Lien Address Redacted Jami Hudson Address Redacted Jami Yttredahl Hudson Address Redacted Jamie Allison Sumrall Address Redacted Jamie Bergan Address Redacted Jamie Coulter Address Redacted Jamie Frost Address Redacted Jamie Havelka & Cami Havelka Address Redacted Jamie Keillor Address Redacted Jamie L Hochhalter Address Redacted Jamie L Weigum Schneider Address Redacted Jamie Lee Bell Address Redacted Jamie Lynn Sarbacker Address Redacted Jamie P Havelka Address Redacted Jamie Peterson Address Redacted Jamie Thorton Address Redacted Jamie Timmreck Address Redacted Jamie Windham Address Redacted Jamieson Natural Resource Fund 2865 Lilac Lane N Fargo ND 58102 JAMIESON NATURAL RESOURCE FUND 2865 LILAC LANE N Fargo ND 58102 Jamison Fox Address Redacted Jamjrm LLC 2209 23rd Ave Sw Minot ND 58701 Jamm LLC 3701 W 106th St Apt 433 Leawood KS 66206-8520 Jammie R Altenhofen & Valerie L Altenhofen Jtwro Address Redacted Jams 410 17th St Ste 2440 Denver CO 80202 Jams Inc PO Box 845402 Los Angeles CA 90084 Jan A Stroup Garrison State Bank & Trust Agent. Attn: Sundi Lagge PO Box 339 Garrison ND 58540 Jan Anders Heimdal Address Redacted Jan C Dotson-Ice Address Redacted Jan C Ice Address Redacted Jan Cadden Address Redacted Jan Cole Trust A Montana Trust Dtd 9-1-03- Jan Cole - Trustee Address Redacted Jan Doughman Lucio Address Redacted Jan Earhart Havens Address Redacted Jan Ellen Sandberg Address Redacted Jan Forsberg Address Redacted Jan Hagen Address Redacted Jan Hansen Address Redacted Jan Linehan Weiser Address Redacted Jan M Brock Address Redacted Jan Mary Hill Address Redacted Jan Mcfarlin Address Redacted Jan Mckinney Address Redacted Jan Myhre Address Redacted Jan Nelson Address Redacted Jan Rebecca Decker Address Redacted Jan S Deer Address Redacted Jan Sell Address Redacted Jan Tsien Address Redacted Jana & Donald Rumelhart Address Redacted Jana Foster Jones Address Redacted Jana J Bjarko Miles Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 270 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 273 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jana K Soriano-Demarais Address Redacted Jana L Clinton Address Redacted Jana Lohrenz Address Redacted Jana M Masset Marvin J Masset Poa Address Redacted Jana P Tuchin Address Redacted Jana Turner Address Redacted Janan B Thomas Address Redacted Janco Inc C/O Thomas Hodnefield Address Redacted Jane A Audet Address Redacted Jane A Bacon Well Spent LLC 891 Dodges Point Road Mullett Lake MI 49761 Jane A Howay Address Redacted Jane A Lennon Address Redacted Jane A Welstad Address Redacted Jane Alfson Aka Jane Rosenberg John & Paul Rosenberg Poa Address Redacted Jane Ann Howell Address Redacted Jane Babcock Selberg C/O Kathy Clark Address Redacted Jane D Dube Address Redacted Jane Devon Urbatsch Address Redacted Jane Dupont Kidd Barron U Kidd Poa Address Redacted Jane Dwyer Morgan Address Redacted Jane E Borland Address Redacted Jane E Gwin Address Redacted

Jane E Innis For Life, Remain To Martha Jeanette Mclean Address Redacted Jane E Price Address Redacted Jane E Schroeder Address Redacted Jane Elizabeth Elwing Trust Shirley Long Agent & Aif Address Redacted Jane Elizabeth Jones Address Redacted Jane Ellen Terry Pounds Succ To Lynnwood E Pounds, Succ To C A Pounds, Deceased Address Redacted Jane Ellyn Canoles Miller Address Redacted Jane F Fitterer Family Trust Tina Steckler Ttee Address Redacted Jane F Worklan Address Redacted Jane Fuller Jackson Address Redacted Jane G Hooper Address Redacted Jane G Mathis Address Redacted Jane G Monson Address Redacted Jane Gaston Address Redacted Jane Griffith Partlow Address Redacted Jane Griffith Partlow Children Trust Jane Griffith Partlow Address Redacted Jane H Mcelligott Revocable Trust Jane H Mcelligott - Trustee Address Redacted Jane Hartt Barben Address Redacted Jane Heiser Address Redacted Jane Hughes Address Redacted Jane K Marsden Address Redacted Jane K Mcclendon Address Redacted Jane Kilzer Address Redacted Jane Kragness Address Redacted Jane L Bowles Address Redacted Jane L. Clay Address Redacted Jane M Nelson Rev Living Trust Dtd 08/06/08 Jane M Nelson Tte Address Redacted Jane M Rohan Address Redacted Jane M Warner Poa Jolene Ebert Address Redacted Jane M Watson Address Redacted Jane Miles Address Redacted Jane Overman Address Redacted Jane P Wold Revocable Trust Jane P Wold Ttee Address Redacted Jane Pickering Address Redacted Jane R Oakland Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 271 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 274 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jane Ryan Address Redacted Jane Somerville Address Redacted Jane Strauss Northern Address Redacted Jane Thoring Address Redacted Jane W Wetmore Address Redacted Jane Zhao Address Redacted Janeane R Butler Address Redacted Janel L Wolf Address Redacted Janel M Forster Address Redacted Janel R Harper Address Redacted Janel Rolle-Billets Address Redacted Janel Rubert Address Redacted Janell B Vandeberg Address Redacted Janell F Boniecki Address Redacted Janell L Gorder Address Redacted Janell Troyer Address Redacted Janelle Anderson Address Redacted Janelle Flannagan Address Redacted Janelle G Laviolette Address Redacted Janelle Hughes Address Redacted Janelle Marie Mason Address Redacted Janet & Don Offutt Joint Tenants Address Redacted Janet Albarran Address Redacted Janet Bessey-Paulson Address Redacted Janet Brooks Address Redacted Janet C Berry Address Redacted Janet Clark Address Redacted Janet D Bishop & Ronald J Bishop Jtwros Address Redacted Janet Dassinger Address Redacted Janet Dee Kohne Address Redacted Janet E Morrison Family Trust C/O Larry Mccrary Address Redacted Janet E Offutt Address Redacted Janet Elizabeth Urban Rev Address Redacted Janet Elizabeth Urban Rev Inter-Vivos Trust Janet Elizabeth Urban- Trustee Address Redacted Janet Ervin Chisolm Address Redacted Janet Faulk Address Redacted Janet Fisher Address Redacted Janet Fruchtl Address Redacted Janet Furby Address Redacted Janet G Bishop Life Trust Address Redacted Janet Hadley Address Redacted Janet Hanson Address Redacted Janet I Mazur Address Redacted Janet Johnson Address Redacted Janet K Anderson Address Redacted Janet K Mcneil Address Redacted Janet K Tyler Address Redacted Janet Kay Baxter Address Redacted Janet Kurth Address Redacted Janet L & Mickeal Holmen Joint Tenants Address Redacted Janet L Atchison Address Redacted Janet L Fox Address Redacted Janet L Jorgenson Address Redacted Janet L Jorgenson And Darren B Rustad Address Redacted Janet L Neal Address Redacted Janet L Shipman Address Redacted Janet L Skadeland Address Redacted Janet L Slagel Living Trust Janet L Slagel - Trustee Address Redacted Janet L Stevenson Address Redacted Janet Lee Rodesch Address Redacted Janet Lorena Byrnes Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 272 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 275 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Janet Louise Kostek Address Redacted Janet Lynn Massey Address Redacted Janet M Bishop Address Redacted Janet M Carlson Address Redacted Janet M Evanson Address Redacted Janet M Gauger Address Redacted Janet M Luhman Address Redacted Janet M Merrill Address Redacted Janet M Ries Address Redacted Janet M Tyrrell-Ead Address Redacted Janet M West Esser Address Redacted Janet Mackinen Address Redacted Janet Marie Fedora Address Redacted Janet Marie Heitmann Address Redacted Janet Marie Hoelscher Address Redacted Janet McNeill Address Redacted Janet Obrigewitsch Address Redacted Janet Porter Clemens Stebbins Address Redacted Janet R Fisher Address Redacted Janet Rae Soine Address Redacted Janet Renfro Elder Address Redacted Janet Rogers Anderson C/O Cnb Trust Dept Address Redacted Janet Ruth Timms Kirsten Timms Kimberly Trost Kelly Januzs (Jt) Address Redacted Janette L W Leving Heirs C/O Audrey Artz & Theodore Levings Address Redacted Janette Lindsey Address Redacted Janette M Jacobs Co-Trustee Barbara M Blewett Co- Trustee Judith Cruz Trust Address Redacted Janette Traurig Address Redacted Janette Zalesky Address Redacted Jani L Riley Address Redacted Janice & James Haffey Estates Address Redacted Janice A Heins Address Redacted Janice Anderson Address Redacted Janice Anheluk Address Redacted Janice Ann Gulka & James Allen Gulka Trustees Of Janice Ann Gulka Trust Dated May 1, 1984 Address Redacted Janice Arlene Simmons Address Redacted Janice Arthur Dwight Gunderson & Chad Arthur - Co- Conservators Address Redacted Janice B & David W Arnson Tr Jance & David Arnson - Trustees Address Redacted Janice B Arnson Address Redacted Janice Baranski Address Redacted Janice Brown Rev Living Trust Dtd 2/17/12 Janice Brown Ttee Address Redacted Janice C Lowenstein Address Redacted Janice C Rulapaugh Address Redacted Janice Cardoza Address Redacted Janice Clark Address Redacted Janice Cushing Address Redacted Janice D Dunn Address Redacted Janice Dige Address Redacted Janice E Fluter C/O Jenny Fluter-Harder Address Redacted Janice Eileen Weber Address Redacted Janice Ellis Address Redacted Janice F Dill Address Redacted Janice G Peterson Address Redacted Janice Hanson L/E Susan Plutowski & Kent E Hanson - Aif Address Redacted Janice Holten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 273 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 276 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Janice Hutchens Address Redacted Janice Hutzenbiler Address Redacted Janice K Schneider Address Redacted Janice Kaminski Address Redacted Janice Klein Address Redacted Janice Kolding Address Redacted Janice Kolding & David Kolding Joint Tenants Address Redacted Janice Kolding And David Kolding Life Estate Address Redacted Janice L Blahm Address Redacted Janice L Eaglin Address Redacted Janice L Jacobson Address Redacted Janice L Miles Rev Liv Tr Janice L Miles & Diana Lynn Harlan Kanke Trustee Address Redacted Janice M Address Redacted Janice M Borrell Address Redacted Janice M Cerillo Address Redacted Janice M Eimer Address Redacted Janice M Fransen Address Redacted Janice M Hanson Address Redacted Janice M Hodnefield Revocable Trust Janice Hodnefield Trustee Address Redacted Janice M Lawhead And Loren G Lawhead Jtwros Address Redacted Janice M Olson Address Redacted Janice M Schwindt Address Redacted Janice Magby Address Redacted Janice Mangan Address Redacted Janice Marie Peterson Address Redacted Janice Martin Address Redacted Janice Mcbride Address Redacted Janice Mueller Address Redacted Janice Muriel Wahl Address Redacted Janice Nelson Crockett Trust Agreement Janice Nelson Crockett, Trustee Address Redacted Janice Nelson Crockett Trustee Truste Agreement Of Janice N Crockett Dtd 06/06/96 Address Redacted Janice Norby Address Redacted Janice R Epperson Address Redacted Janice Rebecca Kallevig Address Redacted Janice Roseleip Address Redacted Janice S Haffey Estate Address Redacted Janice Sachow Williams Address Redacted Janice Sanders Address Redacted Janice Stickney Address Redacted Janice Sundsted Address Redacted Janice V Joseph Address Redacted Janice Vinger Address Redacted Janice Wicklund Address Redacted Janice Williams Address Redacted Janice Wysocki Address Redacted Janicki, Kelly Address Redacted Janie J Goldade Address Redacted Janie L Hall Address Redacted Janine Mai Address Redacted Janine Mcculla Murray Address Redacted Janine Murray Address Redacted Janine Swinford Address Redacted Janis Grinolds Address Redacted Janis Johnston Richardson Address Redacted Janis K Prather Le Address Redacted Janis Latiolais Address Redacted Janis M Jarvis Rev Inter Vivos Trust - Janis M Jarvis Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 274 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 277 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Janis Marie Devaney Life Est Address Redacted Janke Bakken LLC 2147 Del Monte Dr Houston TX 77019 JANKE BAKKEN LLC 2147 DEL MONTE DR Houston TX 77019 Jann Harper Leppien 12807 South Fairway Ridge Lane Spokane WA 99224 JANN J & MARGARET M PETERSON Address Redacted Jann J & Margaret M Peterson Revoc Tr Dtd 05/25/00 Jann J & Margaret M Peterson Ttees Address Redacted Jann M Frazier Address Redacted Janna Lynn Ross Address Redacted Janna Rodakowski Address Redacted Janne T Baldridge Address Redacted Jannett Carol Martin Address Redacted Janney Montgomery Scott LLC Attn: Brendai Kirby 1717 Arch Street 19th Floor Philadelphia PA 19103

Janney Montgomery Scott LLC Attn: Corporate Actions Department 1717 Arch Street, 19th Floor Philadelphia PA 19103 Janney Montgomery Scott LLC Attn: Zachary Schwarz 1717 Arch Street 19th Floor Philadelphia PA 19103

Janney Montgomery Scott LLC Mark F. Gress C/O Mediant Communications Inc. 200 Regency Forest Drive Cary NC 27518 1801 Market Street, 9th Janney Montgomery Scott LLC Regina Lutz Floor Philadephia PA 19103-1675 JANNIS L GREENE Address Redacted Janz, Gary Address Redacted Jaquan R. Wright Address Redacted Jaqueline Tarte Rauch Address Redacted Jar Investments LLC Life Estate Rodney J Link - President Address Redacted Jar Ventures, LLC c/o Fredrikson & Byron, P.A. 1133 College Drive Suite 1000 Bismarck ND 58501 Jar Ventures, LLC Mike Reichert 103 5th Street SE Dickinson ND 58601 Jared C Hoerner Address Redacted Jared P Kessel Address Redacted Jared P Kessel & Wendy K Kessel H/W Address Redacted Jared R Kannianen Address Redacted Jared Sterling Colton & Ashley Mortenson Colton Address Redacted Jared Vickstrom Address Redacted Jareen E Schmidt Rev Trst Stace Sewell And Belinda Talley, Co-Trustees Address Redacted Jareen Schmidt Family Two Ltd Address Redacted Jaret Baker Address Redacted Jarod Ensor Address Redacted Jarod Hester Address Redacted Jarrett Daniel Sadowsky Address Redacted Jarri Jo Callen Address Redacted Jarvis Sorenson Address Redacted Jas Family Mineral Trust Ben C Jas Dorie L Jas Tstes Address Redacted Jas3125 LLC Attn: Belynda Spitzer Manager 3158 E 58th St Tulsa OK 74105 Jase Family Ltd PO Box 904 Midland TX 79702 Jase Minerals LP PO Box 904 Midland TX 79702 Jase O Norsworthy Address Redacted Jasmine Love Address Redacted Jasmine Properties LLC 230 West 14th St Casper WY 82601 Jasmine Tosky Julian Tosky, Guardian 715 S Normandie Ave #717 Los Angeles CA 90005 Jason A Ott Address Redacted Jason Alymar Cotham Address Redacted Jason Axtman Address Redacted Jason B. Bryan Address Redacted Jason B. Sowell, Jr. Address Redacted Jason Billings Address Redacted Jason Blake Tollett Trust Address Redacted Jason C Arndt Address Redacted Jason C Fort Address Redacted Jason Carrington Address Redacted Jason David Hawn C/O American Bank PO Box 6771 Corpus Christi TX 78466-6771 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 275 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 278 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jason E Bruins Address Redacted JASON FINCH Address Redacted Jason Kadrmas Address Redacted Jason Kinney & Shelly Kinney Address Redacted Jason L Hoffschneider Address Redacted Jason LaBarbera Address Redacted Jason M Sawyer Estate Robin Bjella - Pr Address Redacted Jason Meserow & Christina Meserow Address Redacted Jason P Ley Address Redacted Jason R Boltz Address Redacted Jason R Boussard C/O Robert Boussard Address Redacted Jason R Horne Address Redacted Jason R Vendsel Address Redacted JASON RAUS Address Redacted Jason S Mcdaniel Address Redacted Jason Sawyer Address Redacted Jason Scott Hukill Hukill Address Redacted Jason Scott Hukill Trust Address Redacted Jason Simpson Address Redacted Jason Sivertson Address Redacted Jason Stevens Address Redacted Jason Tobin Scarborough Address Redacted Jason Vickstrom Address Redacted Jason W Childress Address Redacted Jason W Hauta Address Redacted Jason W Phinney Address Redacted Jason Wahus Address Redacted Jasper County Tax Collector PO Box 372 Bay Springs MS 39422 Jasper County, Montgomery County, Harris County, c/o Linebarger Goggan Blair & Angelina County Sampson, LLP Attn: Tara L. Grundemeier PO Box 3064 Houston TX 77253-3064 Jasper County, MS Treasurer 27 8th Ave E Bay Springs MS 39422 Jasper Engineering & Equipment Co 3800 5th Ave West Suite 1 Hibbing MN 55746 Jasper, Kenneth Address Redacted Jatco Inc 244 Nw 111Th St Oklahoma City OK 73114 Jatori Royalty Co LLC PO Box 1221 Williston ND 58802 Javier Gutierrez Braun Address Redacted Javier P Berrios Address Redacted Javier Rodriguez Paillan Address Redacted Javon Wahus Address Redacted Jay A Kyffin Address Redacted Jay Alan Lynch Address Redacted Jay Anseth Address Redacted Jay B Rea Address Redacted Jay Beavers Address Redacted Jay C Mcelroy Address Redacted Jay D Ross Address Redacted Jay Gilliland Address Redacted Jay Grosz Address Redacted Jay H Dillavou Address Redacted Jay H Mcdonald, Trustee Jay H Mcdonald Revocable Trust Address Redacted Jay Haverluk & Angela Haverluk Address Redacted Jay M & Susan Rinehart Address Redacted Jay M Paschke Address Redacted Jay R & Pamela A Bellinger Tr Dtd 6-25-18 - Jay R & Pamela A Bellinger - Trustees Address Redacted Jay S Grantier Address Redacted Jay S Vandenbos Address Redacted Jay Stanley Jones Address Redacted Jay T & Elizabeth M Sperr Joint Tenants Address Redacted Jay T & Laurie L Shappee Address Redacted Jay T Obergfell And Shelly L Obergfell Jtwros Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 276 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 279 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jay Thomas Bakke Address Redacted Jay Thomas Lewis Address Redacted Jay Thompson Address Redacted Jay V & Jacqui P Snyder J/T Address Redacted Jay V Thomas Family Trust Address Redacted Jay W Fortier Address Redacted Jay W Grimsrud And Laurie J Grimsrud Jtwros Address Redacted Jayhawk Investments LLC PO Box 137478 Fort Worth TX 76136 JAYHAWK OILFIELD SUPPLY INC PO BOX 3128 Wichita KS 67201 Jaylene S Oakes Address Redacted Jayme Drescher Address Redacted Jayme Leah Rae Porter Trust Jacqueline Ann Crowley - Trustee Address Redacted Jayne Harkins Address Redacted Jayne Ola Harrison Address Redacted Jayne Schindele Address Redacted Jaysix LLC 23 Alles Dr Greeley CO 80631 Jbc Royalty Holdings LLC 8696 S Meadow Creek Dr Highlands Ranch CO 80126 Jbt-1 Trst C/O Colorado State Bank PO Box 1588 Tulsa OK 74101 Jci Industries Inc PO Box 411114 Kansas City MO 64141 Jclr LLC 111 S Greenfield Rd Spc#778 Mesa AZ 85206 Jcr Oil & Gas LLC 8235 Douglas Ave Ste 1030 Dallas TX 75225 Jcr Oil & Gas LLC 8235 Douglas Avenue Ste 1030 Dallas TX 75225 Jc'S Terminix Inc 5212 Marsha Sharp Freeway Lubbock TX 79407-3524 Jct Trust Jan J Cole - Trustee Address Redacted Jct Trust Jan J Cole Tte Address Redacted Jd Minerals PO Box 271120 Corpus Christi TX 78427-1120 Jdm Minerals Ltd 1100 Mira Vista Blvd Plano TX 75093-4698 Jdmi LLC PO Box 271120 Corpus Christi TX 78427-1120 Jds Pumping Unit Service LLC PO Box 1164 Worland WY 82401 Jean A Anderson Address Redacted Jean A Becker Address Redacted Jean A Hilderman Address Redacted Jean A Kolbo Address Redacted Jean A Ridl Address Redacted Jean Allan Wilson Address Redacted Jean Ann Kitzman Address Redacted Jean Ann Nelson Warren Nelson And Warren Nelson Address Redacted Jean B Tande Address Redacted Jean Binks Address Redacted Jean C Nelson Address Redacted Jean C Oakason Memorial LLC 3018 E Ksel Dr Sandy UT 84092 Jean Cerkovnik Trustee Of The Jean Cerkovnik Rev Living Trt Dtd 8/31/94 Address Redacted Jean Cristiano Address Redacted Jean D Steed Address Redacted Jean E Krenz C/O Julie Krenz, Pr Address Redacted Jean E Tomlinson Wyley Address Redacted Jean Giese Address Redacted Jean H Mohr Trust Dtd 10/30/91 Jean H Mohr Trustee Address Redacted Jean Holcomb Address Redacted Jean Humphrey Kaimakliotis Erin Stockwell Aif Address Redacted Jean Irene Zaik Address Redacted Jean Irving Address Redacted Jean J Berhow Address Redacted Jean K Zignego Family Trust Dtd 2-11-97, Douglas James Zignego & Robt Jos Zignego Co-Trustees Address Redacted Jean K Zignego Mineral Trust Dtd 12-31-81 Douglas J Zignego & Robert J Zignego Co-Trustees Address Redacted Jean King Haltom Address Redacted Jean L Hogstad Address Redacted Jean L Nations Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 277 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 280 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jean Lanouette Address Redacted Jean Lee Starr Victory Address Redacted Jean Louise Johnson Address Redacted Jean M & Kacey Fallert Address Redacted Jean M Boehm Trustee Jean Boehm Trust 5/1/95 Address Redacted Jean M Deal Address Redacted Jean M Dickinson Address Redacted Jean M Laird Family Trust Brant Ben Laird Trustee Address Redacted Jean M Paine Address Redacted Jean M Quinlan Address Redacted Jean M Voltz Address Redacted Jean Marie Baumann Address Redacted Jean Marie Black Address Redacted Jean Marie Goff C/O Thomas Goff Address Redacted Jean Marie Kroll Address Redacted Jean Meredith Lattin Ttee Meredith Lattin Trust Address Redacted Jean Meschke Bouffard Address Redacted Jean Nyby Address Redacted Jean Olson Address Redacted Jean Park Address Redacted Jean Pas Chaney Trust Jean Pas Chaney Ttee Address Redacted Jean R & Mark L Robinson Address Redacted Jean R Bain Address Redacted Jean Robinson Address Redacted Jean S Marmon Address Redacted Jean S Simpson Address Redacted Address Redacted Jean Stanbery Address Redacted Jean Suzanne Cannon Address Redacted Jean T Hawkins Address Redacted Jean Thirud Irrevocable Trust Daun T Wick & Mark Thirud - Co-Trustees Address Redacted Jean Thirud Joint Tenants Address Redacted Jeana Marie Donaldson-Thomas Trust - Jeana Marie Donaldson- Thomas - Trustee Address Redacted Jeana Wakefield Address Redacted Jean-Ann C Newman Address Redacted Jeanann M Ankrum Address Redacted Jeanell Waddell Spearman Address Redacted Jeanette A Frasco & Roger D Frasco Address Redacted Jeanette And William Larson Address Redacted Jeanette June Linker Address Redacted Jeanette Kjorstad Family Mineral Trust Eileen Craven Kjorstad - Tr Address Redacted Jeanette Larson Address Redacted Jeanette Plaice Address Redacted Jeanette S Henke Address Redacted Jeanette S Yelverton Address Redacted Jeanette Stolle Address Redacted Jeanette V Burchell & Jeffrey S Burchell Tr UA 05/16/02 Address Redacted Jeani L Moore Address Redacted Jeanie C Clopton Address Redacted Jeanie Zoanni Address Redacted Jeanine C Lindvig Estate Trust Allen Reel - Trustee Address Redacted Jeanine C Lindvig Georgan Reel (Poa) Address Redacted Jeanine M Suss Address Redacted Jeanine R Kennedy Address Redacted Jeanleah Mohrherr Address Redacted Jeanne A Johnson Address Redacted Jeanne Arnold Address Redacted Jeanne Bird Davenport Address Redacted Jeanne Coleen Willey Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 278 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 281 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jeanne D Bauer Life Estate Address Redacted Jeanne D Bryan Address Redacted Jeanne E Harris Address Redacted Jeanne E Scheiderer And Charles Scheiderer Address Redacted Jeanne Fields Shelby Agency 5535 Yale Blvd Ste 200 Dallas TX 75206 Jeanne Georgeson Address Redacted Jeanne I Hintz Address Redacted Jeanne K Nathe Address Redacted Jeanne Kay Clayton Address Redacted Jeanne Kay Speers Address Redacted Jeanne Kukla Address Redacted Jeanne Marschalk Address Redacted Jeanne Odermann Address Redacted Jeanne Smalis Address Redacted Jeanne White Byquist Address Redacted Jeannette Ferguson Albert Address Redacted Jeannette L Anderson Address Redacted Jeannette Lee Jimenez Address Redacted Jeannette Moran Address Redacted Jeannette Rice Walls Address Redacted JEANNIE AND JOHN JAY KIRBY III Address Redacted Jeannie And John Jay Kirby III Jts Address Redacted Jeannie Collins Address Redacted Jeannie Conn Mccain Address Redacted Jeannie D Wosepka Address Redacted Jeannie Krebsbach Address Redacted Jeannie L Wright Life Estate Address Redacted Jeannine C Lukin Address Redacted Jeannine Elletson L/E Address Redacted Jed Wattenberg Two LLC Address Redacted Jefcoat Inspection Service Address Redacted Jeff Anderson Trust Robert J Anderson Trustee Address Redacted Jeff Austin Address Redacted Jeff C Johanson Address Redacted Jeff Cuka Address Redacted Jeff D Evans Address Redacted Jeff D Thomas Address Redacted Jeff Dschaak Address Redacted Jeff Garske Address Redacted Jeff Goldstein Address Redacted Jeff Holemo Address Redacted Jeff Husby Estate Address Redacted Jeff Iverson & Robin Iverson Address Redacted Jeff Kulland Address Redacted Jeff Lien Address Redacted Jeff P Larson & Nancy Diane Larson, H/W Address Redacted Jeff Sall Address Redacted Jeff Stromstad Address Redacted Jeff Wiley Address Redacted JEFFERIES LLC 520 MADISON AVENUE ATTN: GENERAL COUNSEL New York NY 10022 Jefferies LLC Attn: James Leonette 101 Hudson St 11th Floor Jersey City NJ 07302 Jefferies LLC Robert Maranzano 34 Exchange Pl Jersey City NJ 07311 Jefferson L Patty Address Redacted Jeffery A Christoffersen Address Redacted Jeffery A Sall Address Redacted Jeffery Elliot Menking Address Redacted Jeffery Francis Ross Address Redacted Jeffery G Jonas Address Redacted Jeffery Gene Labrant Address Redacted Jeffery Kessel & Jeril Kessel Address Redacted Jeffery L Emerson Address Redacted Jeffery L Laukala Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 279 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 282 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jeffery L Procive & Leslie A Procive Fmly Lvg Trst Dtd 2/18/2014 Jeffery L & Leslie A Procive, Trustees Address Redacted Jeffery P Winter Traditional IRA Address Redacted Jeffery Paul Storm Address Redacted Jeffery Powell Gupton Address Redacted Jeffery Scott Sullivan Address Redacted Jeffery Trudell & Julie E Finsaas Trudell Jtwros Address Redacted Jeffery W Myers Address Redacted Jeffrey G Brenk, TTE VNB Disclaimer Trust Address Redacted Jeffrey & Amanda Kindel Jt Address Redacted Jeffrey & Dorene Larson Trust Dtd 12/14/2001, Jeffrey T Larson & Dorene K Kainz, Co-Trustees Address Redacted Jeffrey & Sharon Heath Address Redacted Jeffrey A & Lisa Lapica Jt Address Redacted Jeffrey A Bakke Address Redacted Jeffrey A Lapica Address Redacted Jeffrey A Love Address Redacted Jeffrey A Rodacker Address Redacted Jeffrey A Samson Address Redacted Jeffrey A Waller Address Redacted Jeffrey A Ware Address Redacted Jeffrey A Weiner Address Redacted Jeffrey b bryant and elizabeth b bryant ttees o-t bryant living trust 12-1-2005 Address Redacted Jeffrey B Clark Address Redacted Jeffrey B. McLeroy, Sr Address Redacted Jeffrey Bakken Address Redacted Jeffrey Balmer Address Redacted Jeffrey Baranko Address Redacted Jeffrey Brian Lewallen Address Redacted Jeffrey C Chancellor Address Redacted Jeffrey C Gross Address Redacted Jeffrey C Hauge Address Redacted Jeffrey D Vaaler Address Redacted Jeffrey De Qiang Li Address Redacted Jeffrey Dean Powers Address Redacted Jeffrey Dixon-Ross Address Redacted Jeffrey Donald Pray Address Redacted Jeffrey E & Carol B Mason Address Redacted Jeffrey E Grant Address Redacted Jeffrey E Kolodejchuk Address Redacted Jeffrey Eaby Address Redacted Jeffrey Erickson Address Redacted Jeffrey Fougner Address Redacted Jeffrey G Schmierer Address Redacted Jeffrey Glenn Hull Address Redacted Jeffrey H Bair & R Karen Bair Ttees Of Bair Family Rev Tr Dtd 1/19/12 Address Redacted Jeffrey Haney Address Redacted Jeffrey J Ketterling Address Redacted Jeffrey J Soriano Address Redacted Jeffrey J Sundheim Address Redacted Jeffrey J Wing Address Redacted Jeffrey Jay Mcmanus Address Redacted Jeffrey Jay Syring Address Redacted Jeffrey K Johnson Address Redacted Jeffrey K Mcalmond Address Redacted Jeffrey K Meek Address Redacted Jeffrey Kinamon Address Redacted Jeffrey Kolding Address Redacted Jeffrey Kyle Hendricks Address Redacted Jeffrey L Jussila Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 280 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 283 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jeffrey L Meiers Address Redacted Jeffrey L Swanson Ttee Sylvia Swanson Trust Address Redacted Jeffrey Lawyer Address Redacted Jeffrey Lee Hoelscher Address Redacted Jeffrey M Harrington Address Redacted Jeffrey M Jessop And Maria P Jessop Address Redacted Jeffrey N Fregeau Address Redacted Jeffrey Nesseth Address Redacted Jeffrey Ostlund Address Redacted Jeffrey P Asleson Address Redacted Jeffrey P Gronos & Julie L Gronos Address Redacted Jeffrey P Heil Address Redacted Jeffrey P Sweeney Address Redacted Jeffrey Powers Address Redacted Jeffrey R Brown Address Redacted Jeffrey R Karsky Address Redacted Jeffrey R Landmark Address Redacted Jeffrey Ross Johnston Address Redacted Jeffrey Ross Rasmusson Address Redacted Jeffrey S Broskey Or Dorothy M Broskey Address Redacted Jeffrey S Harmon Address Redacted Jeffrey S Homme Address Redacted Jeffrey S Parker & Tamara A Parker Address Redacted Jeffrey S. Stein Address Redacted Jeffrey Schuster Life Estate Address Redacted Jeffrey Scot Deason d/b/a D.O.G. Interests Address Redacted Jeffrey Scott Faust Trust William D Lockwood Jr - Tr Address Redacted Jeffrey Shidler & Stacey Shidler Address Redacted Jeffrey Splichal Address Redacted Jeffrey T. Wood Address Redacted Jeffrey V Ware Address Redacted Jeffrey V Ware Living Trust Dated 03/29/10 Address Redacted Jeffrey V Westwood Address Redacted Jeffrey Vanlaningham Address Redacted Jeffrey W Bartholomew Address Redacted JEFFREY W BERGER Address Redacted Jeffrey W Dunn Ttee, Jeffrey W Dunn Trust Dtd 5/17/12 Address Redacted Jeffrey W Marcum Address Redacted Jeffrey W Stay Address Redacted Jeffrey Wicks C/O Judy Foster Address Redacted Jeffrey William Miller Address Redacted Jeffrey Wood Address Redacted Jeffreys & Powell LLC Attn: J Bradley Jeffreys Address Redacted JEFFRIES LLC Address Redacted JEFFRIES LLC ATTN: GENERAL COUNSEL 520 MADISON AVENUE New York NY 10022 Jeffry A & Ann M Johnsrud Address Redacted Jeffy Joseph Address Redacted Jena L Morgan Address Redacted Je'Nai N Jenovese Address Redacted Jenalee Ketchem Address Redacted Jeneric Mineral Trust Dtd 2-25-16 - William E & Renee M Bergman - Trustees Address Redacted Jenica Stone Address Redacted Jenifer M Ekern Watters Address Redacted Jenna Albert Address Redacted Jenna Hinkle Sartori Address Redacted Jenneice Holman Address Redacted Jenner Living Trust, Herbert D Jenner & Connie A. Jenner, Co-Ttees Address Redacted Jennie D Hamilton & Peggy Joyce Bowers Vanderford Ttees U/W/O Barry Dilworth Hall Address Redacted Jennie Heath Sirmons C/O Deborah Sirmons Brittain Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 281 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 284 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jennie Heller Address Redacted Jennie J Herberholz Family Mineral Trust Larry Pavlish, Successor Trtee Address Redacted Jennie Knowshaug Fam Min Trust Jennie I Knoshaug, Ttee Address Redacted Jennie V Bergstrom Address Redacted Jennifer A Kowalski Address Redacted Jennifer A Pittman Address Redacted Jennifer Ann Luckey Address Redacted Jennifer Ann Smith Address Redacted Jennifer Anne Collins Address Redacted Jennifer B Hawn Address Redacted Jennifer Baker Address Redacted Jennifer Bender Address Redacted Jennifer Bentz Address Redacted Jennifer Beth Taliaferro Address Redacted Jennifer Boyer Address Redacted Jennifer Brown Address Redacted Jennifer Burdick Address Redacted Jennifer Carr Address Redacted Jennifer Claire Eckerstrom Address Redacted Jennifer Clay Cather Address Redacted Jennifer D Hilger Address Redacted Jennifer D Powers-Smith Address Redacted Jennifer Dale Address Redacted Jennifer E Fluter-Harder Address Redacted Jennifer Eide Address Redacted C/O MCGEE, HANKLA & BACKES, ATTN: BRYAN LEE VAN 2400 E BURDICK EXPY, JENNIFER EIDE PC GRINSVEN SUITE 100 Minot ND 58701 Jennifer Field Address Redacted Jennifer Hahr Address Redacted Jennifer Hall Address Redacted Jennifer Hauser Address Redacted Jennifer Hirsch Address Redacted Jennifer Ina Mcmanus Address Redacted Jennifer J Frazee Address Redacted Jennifer J Mccowan Address Redacted Jennifer J Sorenson Address Redacted Jennifer Jan Johnson Address Redacted Jennifer Jones C/O Christine C Jones Address Redacted Jennifer Joy Thomas Address Redacted Jennifer K Bradley Address Redacted Jennifer Kay Eide Bibler Address Redacted Jennifer Kouba Address Redacted Jennifer Kuester Cooper Address Redacted Jennifer L Belz Address Redacted Jennifer L Gamrod Address Redacted Jennifer L Kulland Address Redacted Jennifer L Mcwha Address Redacted Jennifer L Stieren Address Redacted Jennifer L Varilek Address Redacted Jennifer L Wasageshik Address Redacted Jennifer Lee Kurtenbach Address Redacted Jennifer Lynn Obrien Address Redacted Jennifer Marie Herdt Address Redacted Jennifer Marie Johnson Address Redacted Jennifer Oday Address Redacted Jennifer Olson Address Redacted Jennifer Parnell Barker Address Redacted Jennifer Pirak Address Redacted Jennifer Pocta Address Redacted Jennifer R Chapman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 282 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 285 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jennifer R Kubas Address Redacted Jennifer Ruth Carlson Address Redacted Jennifer S Pangburn Address Redacted Jennifer Sletteland Address Redacted Jennifer Vallevik Address Redacted Jennifer Wallace Address Redacted Jennifer Wick Williams Address Redacted Jenniffer Reinig Address Redacted Jenny Hird Address Redacted Jenny Kent Address Redacted Jenny Scott Everett Address Redacted Jenny Silvis Address Redacted Jens P Jenson Address Redacted Jensen Family LLP 24 North 4Th Street Po Box 5758 Grand Forks ND 58206-5758 Jensen Family Mineral LLC PO Box 206 Circle MT 59215 Jensen Family Trust Dtd 8-24-09 Nadine Hawley - Trustee Address Redacted Jensen, Curt Address Redacted Jensen, Nicholas Address Redacted Jensen, Patricia Address Redacted Jenson, Billy Address Redacted Jerald & Dorothy Enander Joint Tenants Address Redacted Jerald K Enander Address Redacted Jerald L Tovson Address Redacted Jerald N Asleson Address Redacted Jerald Schreiber & Mary Lou Schreiber JT TEN Address Redacted Jeraldine R Thompson Address Redacted Jerelyn Kordonowy Address Redacted Jeremiah Daniel Thrasher Address Redacted Jeremiah E Mcneil Address Redacted Jeremiah J Deitz Address Redacted Jeremiah James Thorstad Address Redacted Jeremiah Schmidt Address Redacted Jeremiah Sullivan Address Redacted Jeremiah Tamplin Address Redacted Jeremy Alan Olson Address Redacted Jeremy Courser Address Redacted Jeremy D Gott Address Redacted Jeremy Daniel Walhaug A Minor Emery Boe - Trustee Address Redacted Jeremy Daniel Walhaug First National Bank & Trust Address Redacted Jeremy Lindsey Address Redacted Jeremy Nathaniel Thomas Address Redacted Jeremy Newell Address Redacted Jeremy Norton Address Redacted Jeremy Rolfstad Address Redacted Jeremy Snyder Address Redacted Jeremy Unterseher Address Redacted Jeri Dee Shaffer Address Redacted Jeri Lynn Devries Address Redacted Jeri Lynne Townsend Gardner Address Redacted Jeri Pechtel Address Redacted Jerilyn M Rees Address Redacted

Jermaine C Undhjem Le Darcy Undhjem Attorney In Fact Address Redacted Jerod L Phinney Address Redacted Jerold R White Address Redacted Jerome & Elaine Smith Trust Jerome & Elaine Smith Ttees Address Redacted Jerome A & Kathleen L Bechtold Address Redacted Jerome A Anderson Address Redacted Jerome A Bellian Address Redacted Jerome A Gruman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 283 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 286 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jerome A. Chaussee Address Redacted Jerome B And Hedy Bookin-Weiner Address Redacted Jerome D Aho Address Redacted Jerome D Engel Address Redacted Jerome D Van Vorst Address Redacted Jerome Distributing Inc PO Box 227 Dickinson ND 58602-0227 Jerome Etzel Address Redacted Jerome H Heggen & Esther Heggen Address Redacted Jerome H Johnson Address Redacted Jerome H Spitzer Address Redacted Jerome H Spitzer Or Judith A Spitzer Address Redacted Jerome Hecker Address Redacted Jerome Heggen Address Redacted Jerome L Dolyniuk Address Redacted Jerome Lervick Address Redacted Jerome M & Sandra J Vance Address Redacted Jerome Mcgrath Address Redacted Jerome O Manning Address Redacted Jerome P Keohane Address Redacted Jerome Renbarger Address Redacted Jerome S Rogness & Renee J Rogness, J/T Address Redacted Jerome Shapiro Address Redacted Jerome V Kowalski Trust Jennifer A Kowalski And Address Redacted Jerome W Kannberg Address Redacted Jerrica Albert Address Redacted Jerrod Baxter Address Redacted Jerrold Baxter Address Redacted Jerrold P & Loretta M Bentdahl Trus Phillip Bentdahl Trustee Address Redacted Jerry & Patty Weyrauch Mineral Trust - Jerry & Patty Weyrauch Co-Trustees Address Redacted Jerry & Patty Weyrauch Mineral Trust Patty Weyrauch - Trustee Address Redacted Jerry A & Carolyn Weigum J/T Address Redacted Jerry A Miller Address Redacted Jerry A Olson (Le) Address Redacted Jerry A Simonson Address Redacted

Jerry Allen Stevenson Ii Jay Kathee Stevenson Guardian Address Redacted Jerry And Judy Richbourg Address Redacted Jerry And Karen Jeffers Address Redacted Jerry Batson Address Redacted Jerry Chambers Exploration Co 1660 Lincoln St Ste 1700 Denver CO 80264 Jerry D Evans Address Redacted Jerry D Sagel Address Redacted Jerry D Tewes Address Redacted Jerry Daniel Winton Address Redacted Jerry Dobrovolny Address Redacted Jerry E Laroque Address Redacted Jerry E Nestaval Address Redacted Jerry E Roberts Address Redacted Jerry E Thompson Address Redacted Jerry E Thorstad Address Redacted Jerry Fiore Address Redacted Jerry Greer Address Redacted Jerry Hall Address Redacted Jerry K Erickson Address Redacted Jerry K Erickson & Mary Etta Erickson Ttees Of The Jerry & Mary Erickson Family Min Tr Address Redacted Jerry Kersten Address Redacted Jerry Kulland Address Redacted Jerry L Stude Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 284 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 287 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jerry Lamoreaux & Josel Lamoreaux JT Ten Address Redacted Jerry Lee Mullan Address Redacted Jerry Lee Shafer Address Redacted Jerry Leiss Address Redacted Jerry Lindsley Address Redacted Jerry Lowenstein Address Redacted Jerry M Brevik & Jeanne R Brevik Address Redacted Jerry M Grev And Barbara L Grev Address Redacted Jerry Martinson Address Redacted Jerry Mcdermott Address Redacted Jerry Meyers Address Redacted Jerry Nay And Jessica Nay H/W Address Redacted Jerry P Zoanni Address Redacted Jerry R Armstrong Address Redacted Jerry S Ross Address Redacted Jerry Smith Address Redacted Jerry Sonnek Address Redacted Jerry Stude Nd Minerals LLC 10794 Kettle Way Dodge City KS 67801-6533 Jerry Sundheim Address Redacted Jerry Thibodeau Address Redacted Jerry Thorson Address Redacted Jerry V Martin Address Redacted Jerry W & Renee R Rogers Revocable Trust - Jerry W & Renee R Rogers - Trustees Address Redacted Jerry W. Winkler Address Redacted Jerrys Service Of Nd Inc PO Box 893 Williston ND 58802 Jerrys Services PO Box 893 Williston ND 58802-0893 Jeryl Down-Jones Address Redacted Jes Edwards Foundation PO Box 122297 Fort Worth TX 76116 Jess Anne Knutson Address Redacted Jess C Cheney Address Redacted Jess E Porter Address Redacted Jess Geyerman Address Redacted Jess Homer Rev Family Trust Utd 4/1/11 Jess Homer As Trustee Address Redacted Jess Osipow Address Redacted Jesse Beljan & Paul J Tomasi JT Ten Address Redacted Jesse D Baillargeron Address Redacted Jesse Edgar Bain Address Redacted Jesse Ellefson Address Redacted Jesse J Vandeberg Address Redacted Jesse L Olson Address Redacted Jesse M Pifer Address Redacted Jesse M Valeriano Address Redacted Jesse Moore Address Redacted Jesse Parks Address Redacted Jesse R Thomas Address Redacted Jessen Energy LLC PO Box 69940 Tucson AZ 85737 Jessey Hernandez Address Redacted Jessica A Vogel Address Redacted Jessica Burdick C/O Jennifer Burdick Stephens Address Redacted Jessica F Wald Address Redacted Jessica Feikis Address Redacted Jessica Giersdorf Address Redacted Jessica Hansen Address Redacted Jessica Hudiburgh Address Redacted Jessica J Benson Address Redacted Jessica Kline Address Redacted Jessica L Lee Address Redacted Jessica M Cotton Address Redacted Jessica Nay Address Redacted JESSICA ROWLAND BLAKE HERITAGE Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 285 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 288 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jessica Rowland Blake Heritage Trust Address Redacted Jessica Tollefson Address Redacted Jessica Vallevik Address Redacted Jessie Christine Dechert Address Redacted JESSIE H BEAN JR Address Redacted Jessie J Stenberg Donald Stenberg Poa Address Redacted Jessie J Zarnoth Address Redacted Jessie Pauline Erickson Address Redacted Jessie Wiley Voils Address Redacted

Jestrab-Lesch Family Trust Dtd 12/15/10, Laurel A Lesch, Richard J Lesch &James D Lesch Co-Trustees Address Redacted Jet Specialty Inc PO Box 678286 Dallas TX 75267-8286 Jetstream Royalty Partners LP PO Box 471396 Fort Worth TX 76147 Jetta-X2, L.P. Address Redacted Jettison Inc PO Box 562 Williston ND 58802-0562 Jevan Hoffman Mcelfresh Address Redacted Jewel Bishop Fiorito Address Redacted Jewel F Paschke Address Redacted Jewel Hofmann Address Redacted Jewel L Venman Address Redacted Jewel M Breland Address Redacted Jewell & Boyd Natural Resource 214 N Washington Ave Suite 307 El Dorado AR 71730 Jewell L Roome-Robinson Trust Address Redacted Jey Loyd Penquite Address Redacted Jgl Solutions LLC 1411 Monticello Drive Prosper TX 75078 Jh Family LLC PO Box 3503 Lafayette LA 70502 Jho'Sh LLC 3700 S Ogden St Englewood CO 80113 Jhp Investments 148 Bittersweet Cir Venetia PA 15367 Jhr Corp 533 Washington Avenue Bridgeville PA 15017 Jilek, Tyler Address Redacted Jill & Glenn Thieling Address Redacted Jill A Roberts Revocable Tr Jp Morgan Chase Bank Na Ttee Address Redacted Jill C Gillette Address Redacted Jill Cochran Address Redacted Jill D Robertson Address Redacted Jill E Johnson Address Redacted Jill Holt Address Redacted Jill Horst Ramirez Address Redacted Jill Jacobsen Address Redacted Jill Kathleen Kletsch Address Redacted Jill L Casillas Address Redacted Jill L Foster Address Redacted Jill L Meschke Address Redacted Jill M Krage C/O Shaun Krage Address Redacted Jill Mary Reddon Address Redacted Jill Norby Address Redacted Jill Oleary Address Redacted Jill Purdy Address Redacted Jill R Goodman Address Redacted Jill S Glanville Address Redacted Jill S Simmons Address Redacted Jill W Stone Address Redacted Jill Zilik Address Redacted Jim & Tami Korb Revocable Living Trust Dtd 2-18-16 James & Tamera Korb - Co-Tr Address Redacted Jim & Vernette Sanderson Jt Address Redacted Jim A Fry Address Redacted Jim Bears Address Redacted Jim Blecha Photography Inc 2403 Desperado Drive Trinidad CO 81082 Jim Brodman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 286 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 289 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jim Brownlee Address Redacted Jim Cote Address Redacted Jim Duke Address Redacted Jim Enge Address Redacted Jim Everett Address Redacted Jim F Mccormick Address Redacted Jim Hillman Address Redacted Jim Karst Address Redacted Jim L Bunse Address Redacted Jim Locken Address Redacted Jim Luchi Address Redacted Jim M Gollehon Address Redacted Jim Rixen Address Redacted Jim Roth Address Redacted Jim Savory Address Redacted Jim Thorton Address Redacted Jim Waddell C/O First Financial Trust & Assett Management Company Na Address Redacted Jim Walker Address Redacted Jim Whited Address Redacted Jim Whitehead Oil & Gas LLC PO Box 80735 Phoenix AZ 85060 JIM WHITEHEAD OIL & GAS LLC PO BOX 80735 Phoenix AZ 85060 Jimco Trust No 1 Elizabeth Ann Mccoy Trustee Address Redacted Jimenez, Elizabeth Address Redacted Jimmey Meisch )Deceased) Address Redacted Jimmie Alvin Hicks Address Redacted Jimmie Baggett Address Redacted Jimmie Joe Honaker Leslie Mann-Damon Conservator Address Redacted Jimmie Rehak Address Redacted Jimmy Charles James Address Redacted Jimmy D Myhre Jr Address Redacted Jimmy Dool, Jr Address Redacted Jimmy L & Doris A Mullin Address Redacted Jimmy Lee Alexander Address Redacted Jimmy Morey Rev Tr Dtt 2/22/89 Jimmy & Mary Morey Trustees Jp Morgan Chase Bank Agent Address Redacted Jimmy Sundheim Le Address Redacted Jimmy W Hill Address Redacted Jims Water Service Inc PO Box 2290 Gillette WY 82717-2290 Jinan Foss Address Redacted Jj 93 Inc 1605 Westridge Circle Billings MT 59102 Jj Oil LLC 1280 5th St Sw Dickinson ND 58601 JJ OIL LLC 1280 5TH ST SW Dickinson ND 58601 JJ OIL, LLC 1280 5TH ST SW Dickinson ND 58601 Jjhabh Family Limited Partner 39 Stillforrest Houston TX 77024 Jjirah Trust No D-1 Dtd 5-10-03 Sharon Kay Stashuk Trustee Address Redacted Jjm Trust Dated 1-9-16 James Van Eckhout - Trustee Address Redacted Jjp Land & Oil LLP PO Box 836 Cando ND 58324 JJP LAND & OIL LLP PO BOX 836 Cando ND 58324 Jjt Oil Investments LLC C/O Patrick J Kelly - Cpa 713 Chestnut St Manchester NH 03104-3002 Jkln Mineral Holdings LLC 234 Parkridge Lane Bismarck ND 58503-6250 Jkv Corporation 8601 W Cross Dr Ste F5-208 Littleton CO 80123 Jla Trust 2 Address Redacted Jldm LLC Jacklyn Young-Mgr 13705 Cr 351 Fairview MT 59221 Jlg Energy Partners Ltd PO Box 11290 Midland TX 79702 Jlw Investments LLC 351 Glencoe St Denver CO 80220 Jlw Living Trust Joyce L Wicorek - Trustee PO Box 137 Fairview MT 59221 Jm Cox Resources LP PO Box 2217 Midland TX 79702-2217 Jmac Resources Inc 5009 139th Ave Nw Williston ND 58801-8602 JMAC Resources Inc Attn: Darla Miller 121 48th Ave SW Williston ND 58801 JMAC Resources, Inc. 1505 N Miller Street Suite 260 Wenatchee MN 98801 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 287 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 290 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country JMAC Resources, Inc. Attn: Jon McCreary 1505 N. Miller St. Suite 260 Wenatchee WA 98801 c/o Fabyanske, Westra, Hart & JMAC Resources, Inc. Thomson 333 South 7th Street Minneapolis MN 55402 Jmc Instruments Inc 9829 E Easter Ave Centennial CO 80112-3723 Jmc LLC PO Box 261 Silt CO 81652 Jmj Investments LLC 613 Hinsdale Dr Fort Collins CO 80526-3916 Jms Inc 31593 Oak Ave Aikin MN 56431 Jn Properties LLC 467 Force Road Gillette WY 82716 Jnj Testing Services 966 3rd Ave E Dickinson ND 58601 Jnr Energy LLC 4624 Silver Charm Lane Edmond OK 73025 Jo A Durand Address Redacted Jo A Stefonowicz Address Redacted Jo Ann Carlson Anderson Address Redacted Jo Ann Fielding Vankirk Address Redacted Jo Ann Harmon Address Redacted Jo Ann Irvine Address Redacted Jo Ann Marie Schneiderman Address Redacted Jo Ann Martin Reed Address Redacted Jo Anne Cook Address Redacted Jo Anne Eschler Trust Jo Anne Eschler Trustee Address Redacted Jo Carolyn Sewell Address Redacted Jo Ellen Gessford Address Redacted Jo Marie Walker Address Redacted Jo Orrill Iles Estate C/O R Ray Orrill Jr Ind Exec Address Redacted Jo Reily Plume Address Redacted Joan A Odney Address Redacted Joan A Weiss Address Redacted Joan Allen Cranston Living Tr Joan Allen Cranston Trustee Address Redacted Joan B Fernandez Address Redacted Joan B Lee-Own Address Redacted Joan B Stransky Address Redacted Joan Bengs Address Redacted Joan Bilinkoff Corbett Address Redacted Joan Bolluyt Address Redacted Joan Bray Corbett Address Redacted Joan C Corboline Address Redacted Joan C Peterman Address Redacted Joan C Soiseth Living Trust Joan & Wendell L Soiseth - Tr Address Redacted Joan C Sommer Address Redacted Joan C Turner Address Redacted Joan D Anderson Address Redacted Joan Dickson Address Redacted Joan E & Thomas Gates Address Redacted Joan E Johnston Address Redacted Joan E Thomas Address Redacted Joan E Williams Address Redacted Joan Eldridge Address Redacted Joan Eleanor Smith Fam Min Tr Joan Eleanor Smith Tstee Address Redacted Joan Erickson Address Redacted Joan Felkner Lucas Address Redacted Joan Gehman Address Redacted Joan Gilmore Lindquist Heritage Trust Joan Gilmore Lindquist-Trustee Address Redacted Joan H Quay Address Redacted

Joan Jorgenson Living Trust Joan M Jorgenson Trustee Address Redacted Joan K Decker Address Redacted Joan K Nygaard Address Redacted Joan Kay Blakley Mccoy Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 288 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 291 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joan Kock Howe Marital Trust F/B/O William F Howe Jr Ttee Address Redacted Joan L Axdal Address Redacted Joan L Lajoie Address Redacted Joan L Liebl Address Redacted Joan Lindgren Chapek Address Redacted Joan Linhorst Address Redacted Joan M Baker Address Redacted Joan M Berg Address Redacted Joan M Casebier Address Redacted Joan M Murray Justin Murray - Poa Address Redacted Joan M Olson Estate Address Redacted Joan M Osterberg Jon Osterberg - Aif Address Redacted Joan Marx Address Redacted Joan Nichols Address Redacted Joan Odonnell Address Redacted Joan Olson Address Redacted Joan Palaniuk Address Redacted Joan Parker Caldwell Cheryl Ferguson Poa Address Redacted Joan Poole Alexander Address Redacted Joan Rustvang First Western Bank & Trust Address Redacted Joan Ryan Mangino Address Redacted Joan Salsbury Trustee Address Redacted Joan Samuelson Address Redacted Joan Saufferer Jodi Anne Guentzel Poa Address Redacted Joan Soiseth Address Redacted Joan Sorby Address Redacted Joan Stanley Address Redacted Joan Starr Devlin Address Redacted

Joan Virginia Messick Address Redacted Joan Weigum Address Redacted Joan Wuebker Address Redacted Joan Zavatski Address Redacted Joann And C Gary Sheldon Jt Life Estate Address Redacted Joann B Wittchow Address Redacted Joann Carbone Address Redacted Joann Cecil Peterson Address Redacted Joann E Gorder Address Redacted Joann Evanson Address Redacted Joann Forsness And Dewey Forsness W/H Address Redacted Joann Goodman Mineral Trust Dtd 7-12-13- First National Bank & Trust Of Williston - Tr Address Redacted Joann Gorder Family Trust Joann E Gorder - Trustee Address Redacted Joann Johnson Address Redacted Joann Jordan Address Redacted Joann K Shepherd Address Redacted Joann K Walter Address Redacted Joann Kay Karst Address Redacted JoAnn Kennedy Address Redacted JoAnn Kennedy by Donald J Kennedy, Jr., Attorney in Fact Address Redacted Joann Kerr Address Redacted Joann L Brekke Address Redacted Joann L Soske Address Redacted Joann Lee Zehr Address Redacted Joann M Faulkner Address Redacted Joann M Rongstad Address Redacted Joann Marie Hammer Address Redacted Joann Matteson Address Redacted Joann Pozega Address Redacted Joann Sandlin Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 289 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 292 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joann Schaeffer Address Redacted Joann Steffel Zmikly C/O David Zmilky Address Redacted Joann Sutton Address Redacted Joann T Wangler Address Redacted Joann Trudell Address Redacted Joann Wagoner Address Redacted Joanna Fuchs Address Redacted Joanna Good Address Redacted Joanna Koester Address Redacted Joanne Catherine Lee Address Redacted Joanne Cecilia Comer Address Redacted Joanne Dillavou Lynch Poa Bradley Lynch Address Redacted Joanne E Manchester As Trustee Of The Joanne E Manchester 1994 Revocable Trust Address Redacted Joanne E Schline Address Redacted Joanne E Van Wagner Address Redacted Joanne H Gray Address Redacted Joanne Kennedy Address Redacted Joanne M Larsen Address Redacted Joanne M Poleski Address Redacted Joanne M Vetter Address Redacted Joanne Marilyn Clements Address Redacted Joanne Oman Address Redacted Joanne Oneill Address Redacted Joanne P Chenoweth Address Redacted Joanne Radtke Address Redacted Joanne Richter L/E Address Redacted Joanne Rockvoy Address Redacted Joanne S Gilliam Address Redacted Joanne Stromman Address Redacted Joanne Wirtz Address Redacted Joanrd Properties LLC Address Redacted Job Service North Dakota Address Redacted Jobshq Address Redacted Jocelyn Albert Address Redacted Jocelyn Burch Burdick Trustee Of The Jbb Trust Uta Dtd 34571 Address Redacted Jocelyn Grandbois Address Redacted Jodee Beth Fandrich Foss Address Redacted Jodee K Packer Address Redacted Jodi A Lien Address Redacted Jodi Aubol Address Redacted Jodi Davis Address Redacted Jodi L Drake Address Redacted Jodi L Mckinzie Address Redacted Jodi L Wentz Address Redacted Jodi M Davis Address Redacted Jodi Mueller Address Redacted Jodine Barabash Address Redacted Jody Clymer Address Redacted Jody E Cook Address Redacted Jody Gebert Martinez Address Redacted Jody Heinle Address Redacted Jody J Gullickson Aka Jody Jean Simonson Address Redacted Jody Jean Simonson Address Redacted Jody K Herk Address Redacted Jody Kay Baranko Address Redacted Jody Khan-Hauge Address Redacted Jody Leiseth Address Redacted Jody Mavity Address Redacted Jody R Lillibridge Address Redacted Jody Renbarger Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 290 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 293 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jody Rossmiller Address Redacted Jody Storsteen Address Redacted Jodys Oilfield Service Inc 110 Sw Mustang Dr Andrews TX 79714 JOE & SHANNON FRITZ Address Redacted Joe And Colleen Gold Jtwros Address Redacted Joe B Schutz Address Redacted

Joe Bailey Mullins Jr Estate Bette Smith Mullins, Ind Exec Address Redacted

Joe Bailey Mullins Life Estate U/W Of Lillian K Mullins Address Redacted Joe Brodman Address Redacted JOE C MARTINO Address Redacted Joe Clifford Faust & Connie L Faust Life Est, Remain To Benjamin Address Redacted Joe David Walker Address Redacted Joe Etzel Address Redacted Joe Fallin Family LP Address Redacted Joe Farhart Address Redacted Joe Farhart Family Mineral Tr Dtd 10-19-15 Nancy A Farhart - Trustee Address Redacted Joe Farhart Life Estate Address Redacted Joe Franklin Adams Address Redacted Joe Gieb Iii Address Redacted Joe Glenn Reynolds Address Redacted Joe H Staley C/O J J Staley Iii Address Redacted Joe Henke Address Redacted Joe L Cook Address Redacted Joe L Hild Address Redacted Joe Loughlin Address Redacted Joe M Halvorsen Irrevocable Tr Kim Lacey & Ruth Reineking Co- Trustees Address Redacted Joe M Halvorsen Paula Enkerud Poa & Ruth Reineking Poa Address Redacted Joe M Mcginnis Address Redacted Joe Mack Laird Trst Regions Bank Acc. #431374016 Address Redacted Joe Nelson Bulanek Address Redacted Joe Patrick Bulanek Address Redacted Joe Randall Address Redacted Joe Snyder Address Redacted Joe Stashuk Address Redacted Joe T Mazurkiewicz Address Redacted Joe W King Address Redacted Joe W Mcspadden Mgmt Trust Wells Fargo Bank Acct #5074200 Address Redacted Joe W Vozabal Address Redacted Joecks, David Address Redacted Joel A Vugteveen Address Redacted Joel Bentson Address Redacted Joel Breitling Address Redacted Joel C Harper Address Redacted Joel G Ross Address Redacted Joel H Rogneby Address Redacted Joel I Mitchell Address Redacted Joel Koetting Address Redacted Joel L Wells Address Redacted Joel Lerbakken Address Redacted Joel M Ukestad Address Redacted Joel Matthew Thames Address Redacted Joel O Johnson 2009 Rev Trust Address Redacted Joel R Miller Energy LP Address Redacted Joel S Beaudoin Address Redacted Joel S Castello Profit Sharing Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 291 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 294 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joel S Guderjohn Address Redacted Joel S Miller Address Redacted Joel Sundheim Address Redacted Joel T Heil Address Redacted Joel T Lorenz Karrie Lorenz Jtwros Address Redacted Joel T Wrolstad Address Redacted Joel V. Kamer Address Redacted Joele Frank Wilkinson Brimmer Address Redacted JOELE FRANK, WILKINSON BRIMMER KATCHER 622 THIRD AVENUE New York NY 10017 Joell Anderson Address Redacted Joellen Grotte Address Redacted Joeseph Wiley Parsons Jr Address Redacted Joette L Swanson Address Redacted Joffre Thompson Address Redacted Johanna C Snyder Ttee James H Luther Trust B Address Redacted Johanna Furuseth Address Redacted Johanna K Little Address Redacted John & Alicia Garza Trust Dtd 5-20-11 - John A & Bert Alicia Garza - Trustees Address Redacted John & Beverly Helm Rev Trust Dtd 1-29-96 - Dave Helm - Trustee Address Redacted John & Brenda Fulwider Address Redacted John & Carolyn J Erickson Joint Tenant Life Estate Address Redacted John & Connie Hollstein Address Redacted John & Doris Mcpherson Estate Address Redacted John & Genevieve Bruins Mineral Trust - Alan Bruins Trustee Address Redacted John & Janice Bianchi Joint Tr Ua Dtd 1-13-17 Address Redacted

John & Janice Severson Co-Ttes Severson Family Trust Address Redacted John & Jeanette Halcrow Revocable Trust Dt 6/26/12, John Halcrow & Address Redacted John & Kathleen Jahner Mineral Trust Richard R Jahner, Trustee Address Redacted John & Kristy Schroeder J-T Address Redacted John & Lois Haun Family Partnership Address Redacted John & Magdalene Knopik Trust American Trust Center, Ttee Address Redacted John & Rolene Dinsdale Family Trust - John A & Rolene C Dinsdale - Trustees Address Redacted John & Sharon Benson Family Tr Dtd 10-10-07 Sharon Benson - Trustee Address Redacted John & Theresa Hillman Fam Pro Address Redacted John & Valorie Aftem Address Redacted John A & Eunice L Olson Joint Rev Tst John & Eunice Olson Trustees Address Redacted John A & Julia B Macbeth Address Redacted John A & Virginia L Greer Address Redacted John A Anderson Carol Viger Executor Of Estate Address Redacted John A Anderson Estate Carol Ann Viger - Executor Address Redacted John A Bettridge & Elizabeth Bettridge J/T Address Redacted John A Borden Address Redacted John A Brueni & Eva Marie Brueni Family Mineral Trust Gary Brueni - Trustee Address Redacted John A Davis Family Trust Joan C Davis Trustee Susan Bruce, Poa Address Redacted John A Dinsdale Address Redacted John A Dvorak Address Redacted John A Engel Address Redacted John A Finstad Address Redacted John A Guyot Address Redacted John A Hammack C/O Three M Oil Company Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 292 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 295 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John A Hickel Address Redacted John A James And Adriana H James Hw Address Redacted John A Marsh Address Redacted JOHN A MCKEY Address Redacted John A Meagher Address Redacted John A Meiers L/E Address Redacted John A Miller Jr Address Redacted John A Palumbo Address Redacted John A Riggs III And Robert G Cress Co-Trustees Of John A Riggs Jr Trust Address Redacted John A Scott Address Redacted John A Stolsig Address Redacted John A Stovall 2016 Revocable Trust John A Stovall - Trustee Address Redacted John A Suess Address Redacted John A Sweeney Ttee Joanne C Sweeney Trust Address Redacted John A Tiegen Address Redacted John A Williams Iii Address Redacted John Ainley Sr Address Redacted John Alan Steffan Address Redacted John Allan Fahey Estate Felicia A Wickum Pr Address Redacted John Allen Jones Address Redacted John And Angeline Mracheck Mnrl Tr Anita Quale Co- Ttee Joseph Mrachek Co-Trustee Address Redacted John And Dorothy Tully Family Trust Dot 11-22-91 Address Redacted John And Tekla Ktytor Family Mineral Trust Kenneth J Ktytor - Trustee Address Redacted John B & Josephine W Weltmer Address Redacted John B Descamp Jr Address Redacted John B Hosey Jr Address Redacted John B Hougen Address Redacted John B Hovde Address Redacted John B Kelso Address Redacted John B Linehan Jr Address Redacted John B Mayse Address Redacted John B Walton Address Redacted John B Weltmer Address Redacted John B Weltmer, Dcd Address Redacted John B Wolter Address Redacted John Barton Dorsey Family Tr Norma Dorsey Trustee Address Redacted John Beahen Address Redacted JOHN BEAN BY BOBBIE RUTH BEAN THOMAS Address Redacted John Borseth Address Redacted JOHN BRAD MARVIN Address Redacted John Bradley Address Redacted JOHN BRADLEY MARVIN, JR. Address Redacted John Brandenburg Estate C/O Elaine H Brandenburg Address Redacted John Brewinski Address Redacted John Brigham Address Redacted John Browning Address Redacted John Bruce Branson Rev Trust Dtd November 1, 2014 Address Redacted John Bumgardner Address Redacted John Byron Brown Address Redacted John C & Mary K Beck Jtwros Address Redacted John C Dearing Address Redacted John C Dennison Address Redacted John C Harms Address Redacted John C Lawlar Address Redacted John C Monroe Address Redacted John C Mysse And Myrna Gayle Mysse Address Redacted John C Peterson And Bernadette Peterson Address Redacted John C Richardson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 293 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 296 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John C Stollar Address Redacted John C Wakefield Address Redacted John C Weir & Deborah K Weir, Jtwros Address Redacted JOHN C. TOEDTLI Address Redacted John Callahan Taliaferro Address Redacted John Callander Address Redacted John Carlson Address Redacted John Carlson Living Trust Address Redacted John Carruth Address Redacted John Cartier Address Redacted John Charles Beck Address Redacted John Chorne Fmly Minl Trust Raymond J Chorne & Sharon Privratsky, Co-Ttees Address Redacted John Clanton Address Redacted John Clay Address Redacted John Clifton Address Redacted John Clyde Tomlinson Jr Tr #1 Address Redacted John Crotty Address Redacted John D & Kristine J Tank Jr Living Trust - John D & Kristine J Tank Jr - Trustees Address Redacted John D Barbour Jr Address Redacted John D Bowen Ii Address Redacted John D Coughlin Jr Address Redacted John D Glasscock Address Redacted John D Hallahan Address Redacted John D Kirschmann Estate Address Redacted John D Kousi C/O Fairfield Maxwell Ltd Address Redacted John D Mcallister Address Redacted John D Mcelroy Address Redacted John D Mullins Address Redacted John D Robinson Jr. Address Redacted John D Rogney Address Redacted John D Schroeder Address Redacted John D Stephenson Family Trust Margaret A Stephenson Trustee Address Redacted John D Thoreson Address Redacted John D Wood Address Redacted John Dailey Address Redacted John Darrel Six Address Redacted John David Andrews Address Redacted John David Richards Jr Address Redacted John David Stephens Address Redacted John David Tank And Mary Frances Tank Residuary Trust 1St Natl Bank Of Williston Tte Address Redacted John David Tank And Mary Frances Tank Survivors Trust 1St Natl Bank Of Williston Tte Address Redacted John David Tank Jr Address Redacted John Day Iv Address Redacted John Dean Roth Jr Address Redacted John Deister Address Redacted John Deming Address Redacted John Deming And Janice Deming Hw Address Redacted John Dickson - Deceased Address Redacted John Dietrich LLC Address Redacted John Douglas Marsh & Rosetta D Marsh Revoc Lvg Tr John Douglas Marsh & Rosetta D Marsh, Co-Ttees Address Redacted John Douglas Martin C/O Diana Martin Dee Address Redacted John Douglas Tomlinson Address Redacted John Duane Thoreson Address Redacted John Duker Vallely Trust R Arlene Vallely Co-Trustee Timothy Vallely Co-Trustee Address Redacted John Duletski Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 294 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 297 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John Dwyer Address Redacted John E & Celeste Stonecipher Jtwrs Address Redacted John E & Cheryl M Eastwood Joint Tenants Address Redacted John E & Lois A Alderton Address Redacted John E And Cheryl A Meyer Jt Address Redacted John E Boehler Living Trust John E Boehler Trustee Address Redacted John E Byrne Iii Address Redacted John E Cam & Lee Cam H/W, Joint Tenants Address Redacted John E Chambers Address Redacted John E Crawford Estate Address Redacted John E Danaher Address Redacted John E Duletski & Nancy L Duletski, H/W Address Redacted John E Dyer Address Redacted John E Ewoniuk & Shelly K Ewoniuk Address Redacted John E Fidler Address Redacted John E Gallivan Address Redacted John E Gallivan & Kathleen R Gallivan Rev Tr Dtd 2/13/97 John & Kathleen Gallivan Ttees Address Redacted John E Hollyfield Living Trust Bank Of The Ozarks Tte Address Redacted John E Hollyfield Lvg Trst Bank Of The Ozarks Trste Address Redacted John E Molm C/O Thomas Molm Aif Address Redacted John E Roblee Jr Address Redacted John E Rolfstad Address Redacted John E Trull Address Redacted John E Wiese Address Redacted John E Withers Iii & Jean C Withers Ttees Of The John E Withers Iii Rev Trust Address Redacted John Edward Biggs Address Redacted John Edward Fluder Address Redacted John Edward Lewis Jr Address Redacted John Edward Monson Address Redacted John Elliot Fleming Address Redacted John Eric Freeman Address Redacted John Ernest Hunt Address Redacted John Ernest Ough Address Redacted John Evans Junkin & Carolyn Address Redacted John Ewell Somers Address Redacted John F And Rose M Barone Joint Tenants Address Redacted John F Decker Irrevocable Trust - Jeffrey Decker & Kristin Donahue - Co-Trustees Address Redacted John F Decker Trustee Of The John F Decker Revocable Trust Address Redacted John F Halbkat Jr Address Redacted John F Pettit Jr Address Redacted John F Petty Joe B Dibrell Jr, Aif Address Redacted John F Sands Address Redacted John F Steinbeck Address Redacted John F Treney Address Redacted John F. Zibrida Address Redacted John Francis Gleason Iii Address Redacted John Frietas Address Redacted John G Andrikopoulos Address Redacted John G Beagle Address Redacted John G Brant Address Redacted John G Brimmer Address Redacted John G Daniels Address Redacted John G Harper Address Redacted John G Hinman Rev Living Tr Dated 02/08/07 John G Hinman Trustee Address Redacted John G Lynch Address Redacted John G Thompson Address Redacted John G Vaughan Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 295 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 298 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John G Warberg Address Redacted John Gaylord Address Redacted John Gerald Eidell Jr Tr Victoria Eidell Johnston Trtee Address Redacted John Gerald Wall Address Redacted John Gilbert Consulting LLC Address Redacted John Godlasky Address Redacted John Gregory Warden Address Redacted John Gustafson Address Redacted John H & Ellen L Cathey Trust Ellen Lavern Cathey Trustee C/O Gene Strasheim Aif Address Redacted John H And Debra L Walters Address Redacted John H Bauman Address Redacted John H Beahen Estate Deborah A Pearson - Pr Address Redacted John H Breuer And Diane M Breuer Address Redacted John H Bulk Address Redacted John H Burgher Jr Address Redacted John H Carver Living Trust U/A/D 6-7-93 Elizabeth Collins - Tr Address Redacted John H Holt Address Redacted John H Holt Family LLC Address Redacted John H Holt Oil Properties Inc Address Redacted John H Husing Address Redacted John H Johanson Address Redacted John H Kemp Jr Address Redacted John H Krogh Address Redacted John H Macmaster Address Redacted John H Marschall Separate Property Address Redacted John H Ory Address Redacted John H Osgood Address Redacted John H Reitz Jr & Mary A Reitz JT Ten Address Redacted John H V Wellacott Address Redacted John H Vreeland Address Redacted John H. Wood Address Redacted John Hancock Mutual Life Insurance Company C/O Eugene Hodge Address Redacted John Hanson Address Redacted John Haugen Address Redacted John Havelka Address Redacted John Hellandsaas Address Redacted John Hellandsaas And Marcia Hellandsaas Jt Address Redacted John Helling Address Redacted John Helm Address Redacted John Henke Jr Address Redacted John Herberts Address Redacted John Hovde Address Redacted John Howard Keyes Address Redacted John Hutzenbiler & Ladonna Hutzenbiler Address Redacted John Ingle Address Redacted John J Grosulak Apparent Heir Of Josephine Grosulak Deceased Address Redacted John J Hecker Address Redacted John J Hemmingson Address Redacted John J Kasmer Address Redacted John J Kessel Address Redacted John J Lawonn Estate & Anne C Lawonn Estate C/O Joanne Lawonn Address Redacted John J Martenson Address Redacted John J Parish U/W/O Regions Bank Address Redacted John J Pavlicek Address Redacted John J Perko Jr Address Redacted John J Peruka Address Redacted John J Redfern Iii Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 296 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 299 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John J Scholz Address Redacted John J Toomey Ttee John J Toomey Rev Tr Address Redacted John J Wagner & La Rae Wagner Address Redacted John J Wollan Address Redacted John J Wood Address Redacted John J Zebell Address Redacted John J Zebell Jr Address Redacted John Jacob Lorenz Address Redacted John Jakubowsky & Erma Jakubowsky, J/T & L/E Address Redacted John Judson Graves Address Redacted John K Dynneson Address Redacted John K Funk Fund Board Of Regents Of The University Of Texas System Address Redacted JOHN K KEYES FAMILY TRUST Address Redacted John K Keyes Family Trust John Elliott Alday, Trustee Address Redacted John K Moss Address Redacted John Kaufman Address Redacted John Kelner Address Redacted John Kerry Woodward Address Redacted John Kessler Trustee Of The Burton Hancock Trust 1/7/98 Address Redacted John L Beyer, Jr. Est C/O A. Beyer, Ex Address Redacted John L Cox Estate James Kelly Cox Personal Rep Address Redacted John L Curtis Address Redacted John L Devney Iii Address Redacted John L Franklin Address Redacted John L Howell Jr Address Redacted John L Hutter Jr Address Redacted John L Hutter Sr Address Redacted John L Johnson Address Redacted John L Kennedy Rev Trust Dtd 10/2/08 John L Kennedy Tt Address Redacted John L Kirkpatrick Address Redacted John L Lowenstein Address Redacted John L Mahood Address Redacted John L O'Loughlin 2004 Trust John L O'Loughlin Trustee Address Redacted John L Schlagal Address Redacted John L Stone Address Redacted John L Tank Address Redacted John L Welsh Iii Address Redacted John L Witkowski Address Redacted John L. Devney Address Redacted John L. Devney III Address Redacted John Lallicoff Address Redacted John Lamont Sherman Address Redacted John Langsdorf Address Redacted John Larson Address Redacted John Lawrence Greenwood Jr & Patsy L Greenwood JT Ten Address Redacted John Lehman Address Redacted John Leigh Taliaferro Trust First Financial Trust & Asset Management Company Address Redacted John Leon Long Jr Address Redacted John Lewis Address Redacted John Liffrig & Zoanni Liffrig Jt Address Redacted John Lincoln Howell Address Redacted John Lombardo Address Redacted John Lucas Cocchiara Life Estate Address Redacted John Luke Nawar Address Redacted

John M Bailey Family Trust 12/14/90 John M Bailey Ttee Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 297 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 300 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John M Bryan Revoc Trust U/A/D August 7, 2007 Mary K Jones, Succ Trustee Address Redacted John M Ellsworth Co Inc Address Redacted John M Fairchild Address Redacted John M Hutchison Address Redacted John M Jacobsen Address Redacted John M Jacobson Address Redacted John M Landmark Address Redacted John M Legg Address Redacted John M Okeefe Address Redacted John M Peplinski Address Redacted John M Stamps Address Redacted John M Stephenson Address Redacted John M Stroh Address Redacted John M Turner Address Redacted John M Vanderslice Jr Address Redacted John M Waid Address Redacted John Mack Thames Jr Address Redacted John Mark Address Redacted John Mark Collins Address Redacted John Mark Waugh Address Redacted John Mark Waugh Trust John Mark Waugh Trustee Address Redacted John Martin Hamman Address Redacted John Mathew Patten Address Redacted John Mcentyre Address Redacted John Mckibben Address Redacted John Metz & Barbara Metz Joint Tenants Address Redacted John Michael Bach Estate C/O Barbara E Cook Address Redacted John Michael Bach Jr Address Redacted John Michael Vandeberg Address Redacted John Michael Wegleitner Address Redacted John Mills Hawn Address Redacted John Miscevich Address Redacted John Moberg Address Redacted John Mulholland Address Redacted John N King Address Redacted John N Klemer Address Redacted John N Soriano Address Redacted John Noteboom Address Redacted John O Anderson Address Redacted John O Dace Address Redacted John O Heil Address Redacted

John O Sparks Trust Dtd 41897 Kenneth Sparks, Trustee Address Redacted John Obadal Trust Citizens National Bank - Tr Trust Division Address Redacted John Ormon Haesly Address Redacted John Orville Yerian Address Redacted John Ory Address Redacted John P Dolyniuk Address Redacted John P Ellbogen Foundation A Not For Profit Corp PO Box 1735 Casper WY 82602 John P Howard Address Redacted John P Leer Address Redacted John P Nolan Md & Jane S Nolan Address Redacted John P Pinney Address Redacted John P Sherman Address Redacted John P Strang Address Redacted John P Sweeney Address Redacted John P Wolf Iii Address Redacted John Paneitz Address Redacted John Patrick Craven Restated Revoc Lvg Tr 5/7/2009 U S Bank Na, Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 298 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 301 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John Patrick Powers Address Redacted John Patrick Schneider Address Redacted John Paul Gaffaney Estate Address Redacted

John Paul Weber Test Trust Lawana K Vandinter Trustee Address Redacted John Peter Noreen Address Redacted John Phillip Errebo Jr Address Redacted John Q Mitten Testamentary Trust Eric John Mitten - Trustee Address Redacted John R & Eleanor R Mitchell Foundation Clifford Fields, Trustee Address Redacted John R & Greli N Less Family Trust Address Redacted John R & Jeannine Smith Fam Tr Jeannine L Smith Trustee Address Redacted John R & Joyce L Simpson Revocable Inter Vivos Trust John & Joyce Simpson Trustees Address Redacted John R & Kimberly W Fiers Jr Joint Revocable Trust - John & Kimberly Fiers - Trustees Address Redacted John R & Susan M Jacobson Min Tst Dtd 1/30/2014 John R & Susan M Jacobson Cottees Address Redacted John R Alfson Address Redacted John R And Frida C Wallin Joint Tenants Address Redacted John R Anderson Address Redacted John R Asbeck Address Redacted John R Baird Address Redacted John R Biggs Address Redacted John R Dobie Address Redacted John R Dunn Address Redacted John R Erickson Address Redacted John R Fiers Jr Address Redacted John R Fisher LP Address Redacted John R Fisketjon Address Redacted John R Henderson Address Redacted John R Hunneman Address Redacted John R Lee C/O LPi Holdings LLC PO Box 20523 Billings MT 59104 John R Lippmann Address Redacted John R Nyquist Address Redacted John R Perzinski Address Redacted John R Royall Address Redacted John R Royall Tst Uwo Frances K Royall/ John R Tstee Address Redacted John R Strecker Trust John R Strecker Trustee Address Redacted John R Thompson Jr Trust John R Thompson Jr Trustee Address Redacted John R. McPherson Address Redacted John Ramsey Henderson Rev Tr Address Redacted John Randolph Bryan Address Redacted John Rendle Espy Address Redacted John Richard Hunneman Jr Address Redacted John Risan Address Redacted John Robert Bowmer Jr Address Redacted John Robert Gleason Address Redacted John Robert Lemieux Address Redacted John Robert Lockwood Address Redacted John Rosa Address Redacted John Rosca Address Redacted John Rutledge Chalk Ii Address Redacted John Rykowsky Jr Address Redacted John S & Hazel Jean Medlin Jtwros Address Redacted John S Baida Address Redacted John S Belcher Address Redacted John S Glaeser Address Redacted John S Hauptman Address Redacted John S Henderson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 299 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 302 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John S Mcdonald Address Redacted John S Newbold Residuary Trust Joseph D Newbold, Trustee Address Redacted John S Nicola Address Redacted John S Will Address Redacted John Saleh Charitable Found C/O Wells Fargo Bank, Na Trst Address Redacted John Saleh Estate C/O Wells Fargo Bank Na Ex Acct 45300800 Address Redacted John Satermo Address Redacted John Scott Bacon Address Redacted John Scott Koetting Estate Address Redacted John Simpson Address Redacted John Soper Address Redacted John Sorby Address Redacted John Spencer Mahoney Address Redacted John Steele Address Redacted John Stein Address Redacted John Stephen Brooks Address Redacted John Stevens Address Redacted John Stockhill Jr Address Redacted John Sullivan Address Redacted John Sweeney Address Redacted John Swinkels Address Redacted John Syvert Thompson - Deceased Address Redacted John T Anderson Nancy Morrow Address Redacted John T Dickerson Address Redacted John T Hill Address Redacted John T Kilpatrick Address Redacted John T Matthews 2005 Trust Address Redacted John T Nydegger Address Redacted John T Olheiser Address Redacted John T Pankowski Address Redacted John T Robinson Jr Family Tr Address Redacted John T Vandeberg Address Redacted John T Well and Jan Hayden Well TTEES The Well Joint Rev Liv Trust Address Redacted John T Willis Address Redacted John T Young Revocable Living Trust Address Redacted John T Young Revocable Living Trust John T Young Trustee Address Redacted John Teague Address Redacted John Telesco Address Redacted John Terry Willis Old Soldiers Home Ft Mckinney Address Redacted John Thomas Banks Jr Address Redacted John Thorseth Address Redacted John V & Anita Pigg Address Redacted John V Cestia Address Redacted John V Petro Address Redacted John Van Buskirk Address Redacted

John Vincent Tarleton Estate C/O Rachel Jones Ind Exec Address Redacted John Vollmer Address Redacted John W & Carol J Bragg Trust Carol Jean Bragg Trustee Address Redacted John W & Charlotte Barr Joint Tenants Address Redacted John W & Effie Gerbig, Ttees Gerbig Rev Living Trust Address Redacted John W & Kim Bergman Joint Tenants Address Redacted John W & Kim Bergman Jt Address Redacted John W Althof Address Redacted John W Barton Address Redacted John W Bornholdt Address Redacted John W Buffington Inc Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 300 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 303 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country John W Butterworth Address Redacted John W Clay Iii Address Redacted John W Dutchuk & Kay M Dutchuk Address Redacted John W Fougner Address Redacted John W Hagey Address Redacted John W Hamilton Address Redacted John W Hamilton & Marian Hamilton, Jnt Tnts Address Redacted John W Hedge Address Redacted John W Mc Fadden Jr & June A Mc Fadden JT Ten Address Redacted John W Oien Address Redacted John W Peterman Address Redacted John W Schuminski Address Redacted John W Snyder Jr Address Redacted John W Thorpe Address Redacted John W Wheeler Address Redacted John W Williams Address Redacted John W Ydstie Address Redacted John Waite Swanson Address Redacted John Wauke R Address Redacted John Wayne White Jr C/O John White Address Redacted John Welles Clark Address Redacted John Westaby Address Redacted John William Bryan Address Redacted John William Galloway Address Redacted John William Pickell Address Redacted John Wilson Ii Address Redacted John Winsted Prill Address Redacted John Woods Jr Address Redacted JOHN XERICOS Address Redacted John Younker Address Redacted John Z Kimberlin Jr Address Redacted Johnethan J Turner William D Turner Sr Guardian Address Redacted Johnie M Martin Estate C/O Dave Ray - Pr Address Redacted Johnnie James Hunter Address Redacted Johnnie M Martin Decd Address Redacted Johnnie M Perez Address Redacted Johnny & Mickie F Mcgregor Address Redacted Johnny Byron Cattaneo Address Redacted Johnny C Mcneer Address Redacted Johnny Dugan Address Redacted Johnny Gafford Estate Address Redacted Johnny Powers Address Redacted Johnson & Lebsock Pllp 2812 1st Ave N Ste 403 Billings MT 59101 Johnson Cherry Creek LLC 7009 S Jordan Rd Centennial CO 80112 Johnson Company PO Box 1132 Hobbs NM 88241 Johnson Controls Fire Address Redacted Johnson County Clerk 76 N Main Buffalo WY 82834 Johnson County Treasurer 76 North Main Street Buffalo WY 82834 Johnson County, WY Treasurer 76 N Main St Buffalo WY 82834 Johnson Drilling & Service Co Address Redacted Johnson Holdings LLC 221 2nd Ave Ne Kulm ND 58456 Johnson Living Trust Dtd January 9, 1996 Einar L Johnson & Janice H Johnson, Trustees Address Redacted Johnson Mineral Holdings LLC 3041 Cheney Creek Rd Cartwright ND 58838 Johnson Oilfield Service 5223 83rd Ave Nw Stanley ND 58784 Johnson Pump Services Inc PO Box 651 Mohall ND 58761 Johnson, Allison Address Redacted Johnson, Austin Address Redacted Johnson, Courtney Address Redacted Johnson, Kathleen Address Redacted Johnson, Mackenzie Address Redacted Johnson, Sophia Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 301 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 304 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Johnson, Travis Address Redacted Johnson, Wesley Address Redacted Johnson, Zachary Address Redacted Johnston Family LLC 1911 W Sanibel Ct Littleton CO 80120 Johnston Family Trust Warren C Johnston Trustee Address Redacted Johnston Trust Mary J Yost Trustee Address Redacted Johnston, Kirk Address Redacted Joint Revocable Trust Of Thomas Weyrauch & Denise Weyrauch Address Redacted Jolaine Montana Address Redacted Jolayne M Miller Address Redacted Jolene Brown Address Redacted Jolene Burr C/O Reed A. Soderstrom 2525 Elk Drive Po Box 1000 SD 58701 Jolene Burr C/O Reed A. Soderstrom 2525 Elk Drive Po Box 1000 Minot SD 58701 JOLENE BURR C/O REED A. SODERSTROM 2525 ELK DRIVE PO BOX 1000 Minot SD 58702 Jolene Ebert Address Redacted Jolene F Schneiderman Harold Schneiderman Aif Address Redacted Jolene G Bird Address Redacted Jolene Lehman Address Redacted Jolene Libling Address Redacted Jolene M & David N Ebert Jtwrs Address Redacted Joli Fay Scanlan Life Estate Address Redacted Jolin M Marsh Address Redacted Jolyn Hardcastle Address Redacted Jolyne F Sigvaldsen Address Redacted Jolynn C Murray Address Redacted Jolynn Henderson Scarpholt Address Redacted Jolynn Marie Freed Regan Address Redacted Jomarie Vanwell Address Redacted Jon & Ila Prestangen Minerals Trust Rocky Prestangen Trustee Address Redacted JON & JEANNIE BAYERS 1998 TR Address Redacted

Jon & Jeannie Bayers 1998 Tr Jeannette K Bayers Ttee Address Redacted Jon & Karen Holst Jt Address Redacted Jon A Abrahamson Address Redacted Jon A Banks Address Redacted Jon A Vogler Trust Don Vogler Trust Jon Vogler Trustee Address Redacted Jon And Gisela Hodnefield Address Redacted Jon Avery Address Redacted Jon B Herberg Address Redacted Jon Berger Address Redacted Jon Berger & Jean Berger Min Trust Dtd 12-10-18 First Natl Bank & Trust - Tr Address Redacted Jon Bogner Address Redacted Jon Brandon Koenig Address Redacted Jon C Uggen Address Redacted Jon E Parks Address Redacted Jon Eide Address Redacted Jon Fancher Address Redacted Jon Frank Clark Address Redacted Jon Geyerman Address Redacted Jon H Siegel Address Redacted JON HARRIS GREENE Address Redacted Jon J Rykowsky Address Redacted Jon Mcelfresh Address Redacted Jon Nilo Penafort Address Redacted Jon Oster Address Redacted Jon P Hudson Address Redacted Jon P Martin Address Redacted Jon R Corpron Address Redacted Jon Richard Jacobson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 302 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 305 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jon S Amundson And Crystal R Amundson Address Redacted Jon S Brown Address Redacted Jon Steiner Address Redacted Jon W Ambjor Address Redacted Jon W Backes Address Redacted Jon W Paschke Address Redacted Jon W Schweiss Address Redacted Jon W Wick Address Redacted Jonabeth F Downing Address Redacted Jonah Gas Co LLC Address Redacted Jonathan & Elizabeth Williams Jtwros Address Redacted Jonathan A Pace Address Redacted

Jonathan B Crain Exempt Trust Jonathan B Crain Trustee Address Redacted Jonathan Bradley Sadowsky Address Redacted Jonathan Bryan Estate Address Redacted Jonathan Cunningham Address Redacted Jonathan D Link Address Redacted Jonathan E Bird Address Redacted

Jonathan E Cohen Accountancy Corp. Profit Sharing Plan Address Redacted Jonathan Elijah Pray Address Redacted Jonathan F Toft Address Redacted Jonathan Fruchtman Address Redacted Jonathan J Blair C/O Farmers National Co Address Redacted Jonathan J Conley Address Redacted Jonathan L Archer Address Redacted Jonathan L Mccune Address Redacted Jonathan Lewis Morgan Address Redacted Jonathan Mathistad Address Redacted Jonathan Nicklas Sims Address Redacted Jonathan P Ike Address Redacted Jonathan P. Chioine Address Redacted Jonathan Rogness Address Redacted Jonathan S Roderick Ttee Of Jonathan S Roderick Lv Tr Address Redacted Jonathan Wilson Pinkas Address Redacted Jonathon G Rapacki And Christine Rapacki J/T Address Redacted Jonathon Wicks Address Redacted Jone M Clay Address Redacted Joneen Kallevig Address Redacted Jonel Hall Address Redacted Jonelle Garcia Address Redacted Jones Daube Mineral Company PO Box 1169 Duncan OK 73534-1169 JONES DAUBE MINERAL COMPANY PO BOX 1169 Duncan OK 73534-1169 Jones Family Revocable Tr Dtd 10.16.06 9193 Stageline Court Fair Oaks CA 95628 Jones Family Revocable Trust Cullis Donald Jones Jr And Mary Patricia Jones Trustees Address Redacted Jones Trusts Edward R Hudson Jr Trustee Address Redacted Jones, Anna Address Redacted Jones, David Address Redacted Jones, Ray Address Redacted Joni A Lindley Address Redacted Joni B Piccolo Address Redacted Joni Gund-Dammann Address Redacted

Joni Hollyfield Evans Agency Regions Bank #610234015 PO Box 11566 Birmingham AL 35202 Joni Lynn Thornton Address Redacted Joni Wakefield Address Redacted Jonna Lynn Long Address Redacted Jonnie Layne Consulting PO Box 989 Watford City ND 58854 Jordan & Jordan LLC 29 White Oak Dr Littleton CO 80127 Jordan Derek Schmitz Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 303 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 306 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jordan Drew Sims Address Redacted Jordan Eisenberg Address Redacted Jordan Family Trust Helen Elaine Jordan And Shane David Jordan Co-Ttees Address Redacted Jordan L Kannianen Address Redacted Jordan, Guy Address Redacted Jordan, Layne Address Redacted Jordheim, Erin Address Redacted Jorgensen Family Trust Harvey A Jorgensen Co-Trustee Virginia M Jorgensen Co-Ttee Address Redacted Jorja Lou Dethlefsen Address Redacted Jorjiann Benn Address Redacted Jory S Stevenson Attorney In Fact Lori L Stevenson Address Redacted Jory Yttredahl Address Redacted Jos Anchors Service Inc PO Box 594 Kermit TX 79745 Jose A Barrera Investments Ltd 10222 Severn Rd San Antonio TX 78217 Jose Sandro Lopez And Jodee Lopez Hw Address Redacted Joselind R Hartman Address Redacted Joseph & Jacqueline Cloidt Living Trust Utd 8/8/07 Joseph & Jacqueline Trustees Address Redacted Joseph & Peggy Etzel Mineral Trust Joseph A Etzel - Trustee Address Redacted Joseph A Carbone Address Redacted Joseph A Miceli & Jo Anne Marie Miceli JT Ten Address Redacted Joseph A Scarpino Aba Katz & Jammers LLC PO Box 4289 Durango CO 81302 Joseph Allen Dobie Address Redacted Joseph Arthur Cook Address Redacted Joseph B Walseth Address Redacted Joseph Buckins & Bernice Buckins, H/W & Jtwros Address Redacted Joseph Cayko Address Redacted Joseph Claude Gerbase Address Redacted Joseph D Sauber Address Redacted Joseph D. Bauer Address Redacted Joseph Dean Address Redacted Joseph E & Gloria L Knudsen Tr Dated 02/01/12 Joseph & Gloria Knudsen Co-Tr Address Redacted Joseph E Dworsky Jr Address Redacted Joseph E Reid Address Redacted Joseph F And Laveta A Zufall Joint Tenants Address Redacted Joseph F Crary Address Redacted Joseph F Fahey Address Redacted Joseph F Hlebichuk Address Redacted Joseph F Reculusa Address Redacted Joseph F. Zolkoske III Address Redacted Joseph G Lynch Address Redacted Joseph Garcia Address Redacted Joseph Gerth Address Redacted Joseph Gregor Lunde Address Redacted Joseph H Bellomo Jr Address Redacted Joseph H Shelton Jr Address Redacted Joseph Havelka Jr Address Redacted Joseph Hodges Address Redacted JOSEPH HOMAN TRUST Address Redacted Joseph Homan Trust Raymond L Rusnack - Trustee Address Redacted Joseph Hutzenbiler Fam Min Tr Daniel Hutzenbiler & Carlotta Hecker, Suc Co-Ttees Address Redacted Joseph J Karsky Address Redacted Joseph J Magalsky Living Tr Joseph J Magalsky Trtee Address Redacted Joseph J Meduna Estate C/O Linda Meduna, Personal Rep Address Redacted Joseph J Schwartz Address Redacted Joseph J Wagner Patricia K Pender Poa Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 304 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 307 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joseph J Zastoupil Address Redacted Joseph Jedlicka Jr & Mary Jedlicka As Joint Tenants Address Redacted Joseph Jeffrey Renders Address Redacted Joseph Kaufman Address Redacted Joseph Kellam Address Redacted Joseph Kilzer Address Redacted Joseph King Address Redacted Joseph Konecny Jr Address Redacted Joseph Kulik Address Redacted Joseph L & Elizabeth A Lech Irrevocable Trust Dtd 04/17/12 Nancy Obritsch, Carol Flaa Tte Address Redacted Joseph L Brodman Address Redacted Joseph L Cvancara & Anne M Cvancara Ttees Joseph & Anne Cvancara Liv Tr Address Redacted Joseph L Emerson Address Redacted Joseph L Mikel Address Redacted Joseph L. Billow Address Redacted Joseph Lord Tweedy Trust Wells Fargo Bank Of Texas Na Address Redacted Joseph M & Ursula Jane Paris Address Redacted Joseph M Dillavou Address Redacted Joseph M Gregory Address Redacted Joseph M Hays Address Redacted Joseph Mark Roth Address Redacted Joseph Michael Weber Address Redacted Joseph Mrachek Address Redacted Joseph N Froehlich Address Redacted Joseph Noah Walhaug A Minor Emery Boe - Trustee Address Redacted Joseph Noah Walhaug First National Bank & Trust Address Redacted Joseph Omelchuck Living Trust Joseph Omelchuck Trustee Address Redacted Joseph Oneill Trust Edward C Grim Trustee Address Redacted Joseph P Irigaray Trust Chas Irigaray Trustee Martha & Nancy Irigaray Tttees Address Redacted Joseph P Jackman Address Redacted Joseph P Peterson & Rosemary E Peterson Ttees Of The Peterson Family Trust Address Redacted Joseph P Scanlan Address Redacted Joseph P Starrs Address Redacted Joseph Paul Huber Address Redacted Joseph R Fabiano Trust Address Redacted Joseph R Kellogg Address Redacted Joseph R Mazzola Address Redacted Joseph R Pope Address Redacted Joseph R Tofte Address Redacted Joseph Roy Steffan Address Redacted Joseph Roziner Address Redacted Joseph Rumreich Address Redacted Joseph S & Ginger Cotten Jt Address Redacted Joseph S Cotten Jr Address Redacted Joseph S Hecker Address Redacted Joseph S Zieroff Address Redacted Joseph Schulist Builders Inc 32969 Hamilton Court G-110 Farmington Hills MI 48334 Joseph Solberg Address Redacted Joseph Stake Address Redacted Joseph Tally Sims Address Redacted Joseph Thomas Mathistad Address Redacted Joseph Uhing Address Redacted Joseph Vandehey And Julie Vandehey Address Redacted Joseph W Gatzemeier Address Redacted Joseph W Hewko Cathy Jo Hewko Address Redacted Joseph W Mendro Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 305 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 308 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joseph Wright Family Trust Address Redacted Joseph Wright Trst A-1 Exempt Address Redacted Joseph Wright Trst A-1 Exempt Marital Address Redacted Joseph Wright Trst A-2 Exempt Address Redacted Joseph Wright Trst A-2 Exempt Marital Address Redacted Josephine A Kjonaas Address Redacted Josephine Ann Gillinger Address Redacted Josephine H Bluntzer Address Redacted Josephine Haney Marlys J Meece, Merrie Jean Moussea & Melinda James - Aif Address Redacted Josephine K Finnicum Address Redacted Josephine Kordonowy Address Redacted Josephine L Conmy Address Redacted

Josephine Laughlin Lvg Trust Josephine Laughlin Trustee Address Redacted Josephine M Shepperson Address Redacted Josephine Miller Address Redacted Josephine Nameniuk Address Redacted Josephine Nesseth Address Redacted Josephine Shypkoski Address Redacted Josh & Tifany Wolla Address Redacted Josh A Eikren Address Redacted Josh Cole Address Redacted Josh Erickson C/O Julie Barden Erickson Address Redacted Josh Kadrmas Address Redacted Joshep Racchumi Address Redacted Joshua A Ley Address Redacted Joshua A Lobdell Address Redacted Joshua Aaron Pray Address Redacted

Joshua Buckner Mcdaniel Suzanne Mcdaniel Conservator Address Redacted Joshua C Rooks Address Redacted Joshua D Kane Address Redacted Joshua D Wright Address Redacted Joshua F And Kristen L Botts Jt Address Redacted Joshua Hatch Address Redacted Joshua M. Wyatt Address Redacted Joshua Obas Address Redacted Joshua S Price Address Redacted Joshua Stehberger Address Redacted Joshua W Stewart Address Redacted Joshua Wade Warrington Address Redacted Josie Lynn Niles Address Redacted Josie M Carlisle Address Redacted Jost Energy Law Pc 555 17th St Ste 975 Denver CO 80202 Jostens Manufacturing Co 357 Main St Armonk NY 10504 Journeys End Inc 4800 Baseline Road E104 #274 Boulder CO 80305 JOURNEYS END INC 4800 BASELINE ROAD E104 #274 Boulder CO 80305 Jovan Dawson Trust Lynn Watkins Ttee Address Redacted Jovenna Lafikes Manns Arrowwood Manor Condo Address Redacted Joy A Mattson Address Redacted Joy A Strong Georgeann E Strong Aif Address Redacted Joy Brewer Address Redacted Joy Ella Wiese Address Redacted Joy K Owens Address Redacted Joy L & Duane P Lindgren Joint Tenants Address Redacted Joy L Lindgren Address Redacted Joy L Sprague Life Estate Address Redacted Joy Renee Anderson Address Redacted Joy Smith Address Redacted Joy Weydert and Thomas Fine--joint tenants Address Redacted Joyce A Fisher Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 306 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 309 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Joyce A Near Address Redacted Joyce A Nelson Address Redacted Joyce A Norris Address Redacted Joyce A Wyckoff Address Redacted Joyce Basic Address Redacted Joyce C Kellund Address Redacted Joyce Coldewey Address Redacted Joyce Cunningham Address Redacted Joyce D Elkins Address Redacted Joyce Duffey Address Redacted Joyce E Esfeld Living Trust Joyce E Esfeld And Charles Esfeld As Trustees Address Redacted Joyce E Leminen Address Redacted Joyce E Wagner Address Redacted Joyce Elaine Fjelstad Address Redacted Joyce F Bartels Address Redacted Joyce H Rogness Address Redacted Joyce Hadden Address Redacted Joyce Hayford Irrevoc Tr First Intl Bank & Tr Ttee Address Redacted Joyce Hoffman Address Redacted Joyce J Kallevig Address Redacted Joyce Keller Address Redacted Joyce Kelley Address Redacted Joyce Kent Address Redacted Joyce L Childers Address Redacted Joyce L Leigh Address Redacted Joyce L Wicorek Life Estate Address Redacted Joyce Lynn Vickaryous Address Redacted Joyce M Frank Life Estate Address Redacted Joyce M Guffey Address Redacted Joyce M Hanson Address Redacted Joyce M Janssen Life Estate Address Redacted Joyce M Perez Address Redacted Joyce M Ware Address Redacted Joyce Martinson Address Redacted Joyce Moe Address Redacted Joyce N Montgomery Living Tr Joyce Montgomery - Trustee Address Redacted Joyce P Brock Estate Veronica T Brock Administrator Robert J Brock Administrator Address Redacted Joyce Polanchek Rodney F Polanchek, Aif Address Redacted Joyce Pritchard Address Redacted Joyce R Urban Address Redacted Joyce Reinholdt & Marcel Eskenazy - Joint Tenants Address Redacted Joyce Reis Address Redacted Joyce Rupp Address Redacted Joyce S Smith Address Redacted Joyce Scheeler Address Redacted Joyce Stidham Address Redacted Joyce Thompson Address Redacted Joyce U Ecker Rev Living Tr Dtd 11/1/1994 Address Redacted Joyce Vachal Lloyd M Fritsvold - Aif Address Redacted Joyce Wiley Address Redacted Joyce Wright Address Redacted Joyce Wright c/o Mackoff Kellogg Law Firm Attn: Christina M. Wenko 38 2nd Ave E., Suite A Dickinson ND 58601 Joyful Journeys Community Enrichment 4466 W 93rd Pl Thornton CO 80229 Joyleen A Mattson 213 Souris Dr Minot ND 58701 Jp Furlong Company PO Box 2357 Bismarck ND 58502 JP Morgan Chase Bank, N.A P O Box 182051 Columbus OH 43218-2051 Jp Morgan Chase Bank, N.A. Wss Global Fee Billing Po Box 26040 New York NY 10087-6040 JP Morgan Securities Catherine O'Donnell 6th Floor New York NY 10179 Jpm As E/A For Whiting Oil & Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 307 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 310 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Jpm As E/A For Whiting Oil & Gas Corporation Depository Account Address Redacted JPMORGAN BK BRANCH - 0802 Legal Department 10 S. Dearborn St. Floor L2 Mailcode:1L100480 Chicago IL 60603 14201 Dallas Parkway, 12th JPmorgan Chase Bank Correspondence Clearingservices 2 Marcin Bieganski Fl Dallas TX 75254

JPmorgan Chase Bank Jp Morgan Proprietary Asset Account Nore Scarlett - Administrator 4 New York Plaza 11th Floor New York NY 10004 Jpmorgan Chase Bank PO Box 13658 Newark NJ 07188-0658 Jpmorgan Chase Bank Na Trustee 4915 Independence Parkway 2nd Floor, Mc Fl2-1216 Tampa FL 33634 Deutsche Bank Ag (London Branch) JPmorgan Chase Bank Na/Dbtc Americas Marcin Bieganski Associate 14201 Dallas Pkwy, 12th Fl Corporate Actions Dept Dallas TX 75254

JPmorgan Chase Bank Na/Dbtc Americas Marcin Bieganski Associate 14201 Dallas Pkwy, 12th Fl Corporate Actions Dept Dallas TX 75254 JPMORGAN CHASE BANK, N.A. 1125 17TH STREET FLOOR 3 ATTN: RYAN FUESSEL Denver CO 80802 Attn: Cindy Chin, Client Service JPMorgan Chase Bank, N.A. Associate P O Box 182051 Columbus OH 43218-2051 Attn: Genny Garciga, Client Service JPMorgan Chase Bank, N.A. Associate P O Box 182051 Columbus OH 43218-2051 Jpmorgan Chase Bank, N.A. Attn: Ryan Fuessel 1125 17th Street Floor 3 Denver CO 80802 JPMORGAN CHASE BANK, N.A. GLOBAL TRADE SERVICES 131 SOUTH DEARBORN 5TH FLOOR Chicago IL 60603-5506 Jpmorgan Chase Bank, N.A. Global Trade Services 131 South Dearborn 5Th Floor Chicago IL 60603-5506 JPMORGAN CHASE BANK, N.A., MID-CORP LOAN ADMINISTRATION 10 SOUTH DEARBORN FLOOR L2S ATTN: MALCOM BROWN Chicago IL 60603-2003 Jpmorgan Chase Bank, N.A., Mid-Corp Loan Administration Attn: Malcom Brown 10 South Dearborn Floor L2S Chicago IL 60603-2003 14201 Dallas Parkway, 12th JPmorgan Chase Bank, N.A./Custodial Trust Company Corporate Actions Dept Fl Dallas TX 75254 500 Stanton Christiana JPmorgan Chase Bank, N.A./Custodial Trust Company John P Fay Corp Actions Road, Ops 4 Floor: 03 Newark DE 19713-2107 500 Stanton Christiana JPmorgan Chase Bank, National Associ Sachin Goyal Associate Road, Ops 4 Floor 02 Newark DE 19713-2107

JPmorgan Chase Bank, National Association Marcin Bieganski Associate 14201 Dallas Pkwy Floor 12 - Corp Actions Dept Dallas TX 75254

PUBLIC EMPLOYESS RETIREMENT FLOOR 12 - CORP ACTIONS JPMORGAN CHASE BANK, NATIONAL ASSOCIATION SYSTEM OF OHIO (OPERS) MARCIN BIEGANSKI 14201 DALLAS PKWY DEPT Dallas TX 75254 500 Stanton Christiana JPmorgan Chase Bank, National Association Sachin Goyal Road Ops 4, Floor 02 Newark DE 19713-2107 14201 Dallas Parkway, 12th JPmorgan Chase Bank/Correspondence C Marcin Bieganski Associate Corporate Actions Dept Fl Dallas TX 75254

JPmorgan Chase Bank/Euroclear Bank Corporate Actions 14201 Dallas Pkwy Floor 12 - Corp Actions Dept Dallas TX 75254 500 Stanton Christiana JPmorgan Chase Bank/Euroclear Bank Corporate Actions Sachin Goyal Road Ops 4, Floor 02 Newark DE 19713-2107

JPmorgan Chase Bank/Ia Marcin Bieganski Associate 14201 Dallas Pkwy, 12th Fl Corp Actions Dept Dallas TX 75254 Jps Wells LLC PO Box 4487 Sunriver OR 97707 Jrb Investments LLC PO Box 450 Dickinson ND 58602-0450 Jrd Properties Ltd PO Box 8206 Wichita Falls TX 76307-8206 Jrg Family Properties Ltd PO Box 1298 Graham TX 76450 Jrh Energy LLC 6939 Coronado Ave Dallas TX 75214 J-S Sanitation LLC PO Box 543 Beulah ND 58523 Jssj LLC PO Box 23115 Billings MT 59104 Jt Rogers C/O Plainscapital 3707 Camp Bowie Blvd Ste 220 Fort Worth TX 76107-3330 Jtk Ventrues LLC PO Box 5318 Enid OK 73702 Jtt Oil LLC 2405 West 4 J Road Gillette WY 82718 JTT OIL LLC 2405 WEST 4 J ROAD Gillette WY 82718 Juan C Morrell Address Redacted Juan Carlos Mora Address Redacted Juan J & Griselda De La Torre Joint Tenants Address Redacted Juan P Espinosa Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 308 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 311 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Juan Ramon Garza Address Redacted Juana Fort C/O Cassie Leitch Address Redacted Juanita C Davis Revoc Trust Juanita C Davis, Trustee Address Redacted JUANITA I EVANS Address Redacted Juanita I Reeves Ttee Juanita I Reeves Rev Trust Dtd 11/19/93 Address Redacted Juanita Jean Tilghman Address Redacted Juanita Roberts-Lindsay Ttee Juanita Roberts-Lindsay Trust Address Redacted Juanita S Reames Address Redacted Juanita Syree Gibbs Address Redacted Juanita Tank Mcmurtry Address Redacted Juarez Jr, Genovebo Address Redacted Juarez, Pedro Address Redacted Judd Herberger Address Redacted Judean & Patricia Sundheim Life Estate Address Redacted Judean Sundheim & Patricia Sundheim Jt Address Redacted Judeea Reeves Address Redacted Judeen Fjelstad Spillane Address Redacted Judgment Cable Enterprises LLC 107 Marla St Lafayette LA 70508 Judi Durni Address Redacted Judi K Veeder Address Redacted Judi L Schnell Address Redacted Judith & Leroy Knote Address Redacted Judith A Baxter-Unterseher Address Redacted Judith A Bicknese Address Redacted Judith A Bird Address Redacted Judith A Chatfield Address Redacted Judith A Fleener Address Redacted Judith A Irgens Address Redacted Judith A Johnson Address Redacted Judith A Justice Address Redacted Judith A Mclaren Address Redacted Judith A Niece Address Redacted Judith A Rutherford Address Redacted Judith A Schmoll Address Redacted Judith A Schuhrke Address Redacted Judith A Spitzer Address Redacted Judith A Sullivan Address Redacted Judith A Ungerman Revocable Trust Dated November 19, 2013 Judit A Ungerman, Trustee Address Redacted Judith Ann Barna Address Redacted JUDITH ANN BUXTON REVOCABLE Address Redacted Judith Ann Buxton Revocable Living Trust Dtd 1-9-13 Address Redacted Judith Ann Chatfield Address Redacted Judith Ann Henry Address Redacted Judith Ann Porter Gst Exemption Residuary Trust Address Redacted Judith Ann Speaks Address Redacted Judith Anne Braun Address Redacted Judith Anne Suttle Address Redacted Judith B Jenkins Address Redacted Judith Babeck Address Redacted Judith Brown Address Redacted Judith Buxton Address Redacted Judith C Mitchell Address Redacted Judith Crowley Address Redacted Judith Curl Address Redacted Judith D Canning Life Estate Address Redacted Judith D Shafer Herring Megan E Herring Poa Address Redacted Judith Deitz Lisa Ollila Poa Address Redacted Judith Dolyniuk Address Redacted Judith E Gerbase Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 309 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 312 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Judith Ellen Gerbase Address Redacted Judith Ellen Mccracken Address Redacted Judith Evans Kurschner Address Redacted Judith Flora Story Address Redacted Judith Gairns Mitchell Address Redacted Judith H Ronning Address Redacted Judith H Stenehjem Sls LP Address Redacted Judith Helm Address Redacted Judith J Jobe Address Redacted Judith J Preston Address Redacted Judith J Thomas Address Redacted Judith Jenkins Address Redacted Judith K Fisher Address Redacted Judith K Fladmo Address Redacted Judith K Matott Address Redacted Judith K Nix Address Redacted Judith K Russ Moody Address Redacted Judith Klym Address Redacted Judith Koelz Address Redacted JUDITH L DEVNEY FAMILY TRUST Address Redacted Judith L Devney Family Trust John L Devney Iii - Trustee Address Redacted Judith L Hurley Address Redacted Judith L Hurley Life Est Address Redacted Judith L Kummer Address Redacted Judith L Semple Address Redacted Judith L Weber Address Redacted Judith Lee Gordy Address Redacted Judith Lee Higgins Devney Address Redacted Judith Lemke Address Redacted Judith Linn Address Redacted Judith M Kohlman Address Redacted Judith Mai Kroger Address Redacted Judith Marie Block Address Redacted Judith N Hurd Address Redacted Judith Okland Address Redacted Judith P Baust Address Redacted Judith Pille Thompson Address Redacted Judith R Cruz Address Redacted Judith R Tycher Trust La Verne Mccall Succ Co-Ttee C/O Frost Bank Agent #Wa212 Address Redacted Judith R Warmann And Douglas R Warmann Address Redacted Judith S Harris Address Redacted Judith Saarem Address Redacted Judith Stenehjem Minerals Trst Steven Stenehjem Trustee First Intl Bank & Trust Aif Address Redacted Judith T Mullen Address Redacted Judith Travis Address Redacted Judith Tycher & Laurie Spitz Gst Trust Brian Spitz Trustee Address Redacted Judkins Trust Fbo David & Courtney Atherton Wells Fargo Bank Sao Address Redacted Judson Exploration LP PO Box 2052 Midland TX 79702 Judson Operations Ltd PO Box 3340 Midland TX 79702-3340 Judson Properties Ltd P O Box 3340 Midland TX 79702-3340 Judson S Matthias & Georgia S Matthias Ttees Of The Judson S & Georgia S Matthias Rev Tr Address Redacted Judy A Cavazos Address Redacted Judy A Deck Address Redacted Judy A Hayden Address Redacted Judy A Jarmin Address Redacted Judy A Miller Address Redacted Judy A Schultz Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 310 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 313 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Judy A Stenberg Address Redacted Judy A Utz Address Redacted Judy A Vinger Address Redacted Judy A Voshell Address Redacted Judy A Wright Life Estate Address Redacted Judy Alisch Address Redacted Judy Ann Foster Address Redacted Judy Ann Hoelscher Koepke Address Redacted Judy Arneson Beckman Address Redacted Judy B Gafkjen Address Redacted Judy Bender Address Redacted Judy Binks Address Redacted Judy Bratcher Address Redacted Judy Bulanek Kay Address Redacted Judy Butler Address Redacted Judy C Kelley Address Redacted Judy C Vedaa Address Redacted Judy Childress Address Redacted Judy Connor-Adamson Address Redacted Judy Dahle Address Redacted Judy Deck & Jack Deck J/T Address Redacted Judy E Bernard Address Redacted Judy E Geivett Holdsworth Address Redacted Judy Erickson Address Redacted Judy Ervin Moore Address Redacted Judy Finsaas Life Estate Address Redacted Judy Fuller Address Redacted Judy Gail Lanpheir Address Redacted Judy Gould Kimberly Sterkel & Todd Gould Poa Address Redacted Judy Hamann Revocable Trust Judy Hamann, Trustee Address Redacted Judy Hellmich Address Redacted Judy J Shuman Address Redacted Judy J York Address Redacted Judy Jacobs Wayne Address Redacted Judy Johnson Blaskowski Address Redacted Judy K Andrikopoulos Address Redacted Judy K Reichenberger Trust Dated 12/19/17 Judy Reichenberger - Trustee Address Redacted Judy K Romero Address Redacted Judy K Thornton Address Redacted Judy Kalene Seidel Address Redacted Judy Kelly Address Redacted Judy Koshatka Address Redacted Judy Kropp Address Redacted Judy L & John Devney Address Redacted Judy L Bornholdt Address Redacted Judy L Cody Address Redacted Judy L Hall Address Redacted Judy L Jones Address Redacted Judy L Pickar And Jeffrey A Pickar Joint Tenants Address Redacted Judy L Schaff Address Redacted Judy Lawler Address Redacted Judy Lee Malina Grantors Trust Benjamin Henry Malina Jr - Trustee Address Redacted Judy M Grinager Address Redacted Judy M Mikel Address Redacted Judy Mcwilliams Address Redacted Judy Montgomery Address Redacted Judy Musick Address Redacted Judy Myers Address Redacted Judy N Young Address Redacted Judy Olheiser Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 311 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 314 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Judy Olheiser Life Estate Address Redacted Judy P Sawyer Address Redacted Judy Parsons Address Redacted Judy Powell Seal Address Redacted Judy Pray Hendrix Address Redacted Judy R Anderson Address Redacted Judy Rae Vialpando Address Redacted Judy Reichenberger Address Redacted Judy Robertson Address Redacted Judy Skogen Address Redacted Judy Stein Shafer Address Redacted Judy Stephens Address Redacted JUDY STRONG Address Redacted Judy Strong C/O Deloris Bailey Address Redacted Judy Tweden Snow Address Redacted Judy Wheat Mccurdy C/O Judy Mikkelsen Address Redacted Judy Williams Address Redacted Judy Wold Address Redacted Judy Wolf Address Redacted Judy Wullenwaber Address Redacted Judy Yu Address Redacted Judyth B Katz Address Redacted Julane M Matejovsky Address Redacted Jule Ann & Max Troutman Jt Address Redacted Jule I Erlandson Address Redacted Juleen Aydt Address Redacted Juli A Goldfein Address Redacted Juli Anne Rognlie Address Redacted Juli Gund Address Redacted Julia A Wilson C/O Dawna Jean Volk Address Redacted Julia Achurch Adams Address Redacted Julia Ann Shattuck Ridge Address Redacted Julia Claire Schwartz Address Redacted Julia D Bricken Address Redacted Julia Debacker Address Redacted Julia Donner Address Redacted Julia J Henderson Address Redacted Julia M Gibson Address Redacted Julia Mae Belcher Address Redacted Julia Mcpeek Address Redacted Julia Meech Address Redacted Julia Melson Address Redacted Julia Piercey Munier Address Redacted Julia Spence Address Redacted Julia T Robinson Address Redacted Julia W P Baker Address Redacted Julia Zemke Gabrielson Address Redacted Julian Gerber Address Redacted Julian M Hagen Address Redacted Juliana R Smith Address Redacted Julianna Hawn Holt Address Redacted Julianne Degenhardt Address Redacted Julianne Kline Address Redacted Julie A Akre Address Redacted Julie A Anderson Address Redacted Julie A Brown Address Redacted Julie A Finegan Address Redacted Julie A Husted Address Redacted Julie A Nelson Address Redacted Julie A Rostad Address Redacted Julie A Schmidt Address Redacted Julie A Walz Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 312 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 315 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Julie A Wood Address Redacted Julie A Youngs Address Redacted Julie Ann Flynn Address Redacted Julie Ann Johnson Address Redacted Julie Ann Mason Address Redacted Julie Anna Reaugh Address Redacted Julie Asick Address Redacted Julie Bair Novich Address Redacted Julie Barden Erickson Address Redacted Julie Belcher Address Redacted Julie Brandon Address Redacted Julie C Stanley Address Redacted Julie Colleen Moultrup Address Redacted Julie D Ethier Address Redacted Julie D Hopkins Address Redacted Julie D Huntley Address Redacted Julie Dahl-Sabo Address Redacted Julie Dawn Howard Bloomfield Address Redacted Julie Eklund Address Redacted Julie Goebel Address Redacted Julie Gray Address Redacted Julie J Erickson Address Redacted Julie J Gamble Revocable Trust Julie J Gamble Trustee Address Redacted Julie Johnston Address Redacted Julie K Eklund Address Redacted Julie K Heath Address Redacted Julie K Leadbetter Address Redacted Julie Kangas Address Redacted Julie Krenz Address Redacted Julie L Dolyniuk Address Redacted Julie L Weber Address Redacted Julie M Bass Address Redacted Julie M Hansen Address Redacted Julie M Jahner Address Redacted Julie M Lee Address Redacted Julie M Schroeder Address Redacted Julie M Vogele Address Redacted Julie Mae Verplancke Address Redacted Julie Marie Dreesman Address Redacted Julie Marie Haggstrom Address Redacted Julie Milham Gardner Address Redacted Julie O Weathers Address Redacted Julie Olson Address Redacted Julie S Herman Address Redacted Julie S Soriano-Brunhaver Address Redacted Julie Sands Address Redacted Julie Sloan Watson Address Redacted Julie Wisness Address Redacted Juliejo R Carda Address Redacted Julien Marie Zimmerman Address Redacted Julietta H Holt Address Redacted Juliette Fowler Foundation Regions Bank - Agent Address Redacted Julius F Mcilwain Address Redacted Julius Jerry Fauchald Address Redacted Julius Loosen Address Redacted Julius W King Address Redacted June A White Address Redacted June Adams Wallace Address Redacted June Ann Greenberg Address Redacted June Ann Greenberg Mary Volk Poa Address Redacted June Ann Marsh Address Redacted June Austin-Butler Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 313 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 316 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country June Blikre Address Redacted June E Eden Address Redacted June E Hoffer Eugene L Hoffer Address Redacted June E Long Trust Regions Bank Nrre Operations PO Box 11566 Birmingham AL 35202 June E. Leas Address Redacted June F Tompkins Casey Tompkins Poa Address Redacted June Forsberg Address Redacted June H Russell Address Redacted June M Hamers Address Redacted June Moore Francis Address Redacted June Paladichuk Life Estate Address Redacted June S Short Address Redacted June Senner Address Redacted June Torgerson Address Redacted Juneil K Gibson Address Redacted Junior Achievement Usa Address Redacted Junius & Emma Jacobson J/T Address Redacted Junius E Jacobson Address Redacted Junius T Harris & Katherine T Harris, H/W & Jtwros Address Redacted Juntos Inc 9230 Dove Meadow Dallas TX 75243 Justice Oil & Gas LLC 510 S Gillette Ave Gillette WY 82716 Justin A Laukala Address Redacted Justin Barkley Address Redacted Justin Boyer Address Redacted Justin D & Dawn M Brusseau Address Redacted Justin E Damm Address Redacted Justin H & Laura J Hauta Jt Address Redacted Justin H Pierce Address Redacted Justin J Kessel Address Redacted Justin Karst Address Redacted Justin L & Janet A Murray Address Redacted Justin L Clock Address Redacted Justin L Wolfe Address Redacted Justin Mark Peterson Address Redacted Justin Moellring Address Redacted Justin P Henke Address Redacted Justin Ray Address Redacted Justin Redetzke Address Redacted Justin Solbergn Address Redacted Justin W Smith Address Redacted JUSTIN WALTERS DBA Address Redacted JUSTIN WALTERS DBA GARYCLIFF RESOURCES LLC 4309 CLEVENGER DR Edmond OK 73012-4387 Justin Address Redacted Justine Bauer Address Redacted Jv Roustabout Inc PO Box 273 Wickett TX 79788 JW POWER PO BOX 205856 Dallas TX 75320-5856 J-W Power Company c/o Miller Mentzer Walker, P.C. Attn: Julie A. Walker 100 N. Main St. PO Box 130 Palmer TX 75152 J-W Power Company PO Box 205856 Dallas TX 75320-5856 J-W POWER COMPANY-463 PO BOX 205856 Dallas TX 75320-5856 Jwp-Mkp Minerals Holdings LP PO Box 1059 Menlo Park CA 94026 Jwz Investments Ltd Pmb #424 6608 N Western Ave Oklahoma City OK 73116 K & B Company 6113 Francis St Portland OR 97206 K & J Bergstrom Investments 478 Burdick Court Grand Forks ND 58203 K & K Minerals LLC Argent Minearl Management 621 N Robinson Ste 100 Oklahoma City OK 73102 K & K Oilfield Services LLC 645 Bosque Trail Marble Falls TX 78654-7489 K & R Ajax Division PO Box 210 Killdeer ND 58640 K & R Roustabout Inc PO Box 210 Killdeer ND 58640 K & S Norstog Family Minl Trst Dtd 06/19/09 Konarad & Sharon Norstog Co-Trustees Address Redacted K C Atkinson Address Redacted K Denton Cranford Address Redacted K K Kornrumpf Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 314 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 317 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country K L S Inc 4886 Magnolia Hwy El Dorado AR 71730 K M Investments LLC PO Box 47 Enid OK 73702 K Neyer Family LLC 8858 Sunset Circle Traverse City MI 49686 K Patricia Mcconachie Address Redacted K S Solanji Ltd 27707 Guthrie Ridge Ln Katy TX 77494 K Scott Saucier Address Redacted K W Crushing Inc PO Box 1021 Vernal UT 84078 ATTN: KYLE FISHER, 1900 K.E. ANDREWS AND COMPANY DALROCK RD. Rowlett TX 75088 K2 Transport LLC 2739 Platinum Court Superior CO 80027 K5 Oil LLC PO Box 990 Great Bend KS 67530 Kab Acquisition LLLP - Iv 410 17th St, Ste 1151 Denver CO 80202 Kab Acquisition LLLP V 410 17th St Ste 1151 Denver CO 80202 Kab Acquisition LLLP-Vi 410 17th Street Suite 1151 Denver CO 80202 Kab Acquisition LP Ii 410 17th Street Suite 1151 Denver CO 80202-4414 Kabot Baker Address Redacted Kabrina R Kringen Address Redacted KACIE LEE ENGUM Address Redacted KADACA OIL & GAS INC ATTN: LINDA SCHIFFERNS PO BOX 1282 Glenrock WY 82637 Kadaca Oil & Gas Inc Attn: Linda Schifferns PO Box 1282 Glenrock WY 82637 Kadea Metara Address Redacted kadey spey adkinson Address Redacted Kadrmas Lee And Jackson Inc Address Redacted Kagame Barmore-Li-A-Ping Address Redacted Kahiltna LLC 1777 S Harrison St #1300 Denver CO 80210 Kahla Denise Rogers Address Redacted KAHUNA VENTURES LLC 11400 WESTMOOR CIR SUITE 325 Westminster CO 80021 KAHUNA VENTURES LLC. 11400 WESTMOOR CIR STE. 325 Westminster CO 80021 Kaikoura LLC Michael J Duncan Manager 1777 S Harrison St #1300 Denver CO 80210 Kaila Boe Address Redacted Kain B. Investments, LLC 1315 10th Avenue West Williston ND 58801 Kainos Work Smart Inc 3340 Peachtree Rd Ne Ste 1010 Atlanta GA 30326 KAISER FRANCIS Address Redacted Kaiser Francis Mid-Cont Ps Attn: Bob Ray Address Redacted Kaiser Francis Oil Co Dept 637 Tulsa OK 74182 KAISER FRANCIS OIL CO DEPT 637 Tulsa OK 74182 Kaiser Francis Mid-Cont Lp Non- Kaiser Francis Oil Co Fbo Promoted PO Box 21468 Tulsa OK 74121-1468 KAISER FRANCIS MID-CONT LP KAISER FRANCIS OIL CO FBO NON-PROMOTED PO BOX 21468 Tulsa OK 74121-1468 Kaiser Francis Oil Co Fbo Kaiser Francis Mid-Cont LP Non-Promoted PO Box 21468 Tulsa OK 74121-1468 Kaiser Francis Oil Co Fbo Kasier Francis Mid-Cont LP Non-Promoted PO Box 21468 Tulsa OK 74121-1468 Kaiser Francis Oil Company Dept 637 Tulsa OK 74182 KAISER-FRANCIS DEPT 637 Tulsa OK 74182 KAISER-FRANCIS OIL COMPANY DEPT 637 Tulsa OK 74182 Kaiser-Whiting LLC PO Box 21468 Tulsa OK 74121-1468 Kal Beckman Address Redacted Kaleb M Dasinger Address Redacted Kalkman Habeck Company PO Box 2518 Ardmore OK 73402 Kallandra Rhodes Address Redacted Kallberg, John Address Redacted Kalle Oil & Gas Inc PO Box 55 Sidney MT 59270 Kallen Wyman Address Redacted Kallenbach, Kevin Address Redacted Kallias, Travis Address Redacted Kalu George Address Redacted Kam Yin Chan Address Redacted Kamala M Orley Address Redacted Kamaryn M Mai Address Redacted Kamla Crow Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 315 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 318 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kammerzell, Bryce Address Redacted Kandi Carlson Address Redacted Kandice F Vandendriessche Address Redacted Kandice Lee Salazar Address Redacted KANE FAMILY TRUST DTD 06-05-69 Address Redacted Kane Family Trust Dtd 06-05-69 Helen M Kane, Trustee Address Redacted Kane Royalty LLC Attn John J Kane 4219 Palisades Park Dr Billings MT 59106 Kansas Department of Health and Environment Curtis State Office Building 1000 SW Jackson St Topeka KS 66612 Kansas Department of Labor Attn: Delia Garcia 401 SW Topeka Blvd Topeka KS 66603 Kansas Department of Treasury Attn: Jake LaTurner 900 SW Jackson Street Suite 201 Topeka KS 66612 Kansas EEOC - Kansas City Area Office Attn: Natascha DeGuire Gateway Tower II 400 State Avenue Suite 905 Kansas City KS 66101 Office of the Securities Kansas Insurance Department Attn: Jeff Wagaman Commissioner 1300 SW Arrowhead Road Topeka KS 66604 Kansas Natural Gas Inc PO Box 818 Hays KS 67601 Kansas Occupational Safety and Health Administration Wichita Area Office 100 N Broadway Suitie 470 Wichita KS 67202 Kansas Office Of The Attorney General 120 Sw 10Th Ave 2Nd Fl Topeka KS 66612 Kansas Office of the Attorney General Attn: Derek Schmidt 120 SW 10th Avenue 2nd Floor Topeka KS 66612 KAP ENERGY 816 4TH ST Bismarck ND 58501 Kap Energy LLC 816 4th St Bismarck ND 58501 KAP ENERGY LLC 816 4TH ST Bismarck ND 58501 Kappa North America Inc 11767 Katy Freeway Ste 500 Houston TX 77079 KAPPA NORTH AMERICA, INC. 11767 KATY FREEWAY SUITE 500 Houston TX 77079 Kappel, Benjamin Address Redacted Kara & James Alan Aamodt Jtwros Address Redacted Kara German Address Redacted Kara Mount Berryman Address Redacted Kara Schmitz Olson Address Redacted Karber Family Investments LLC 1125 Dolman St Saint Louis MO 63104 Karel Holten Address Redacted Karen A Ewoniuk Life Estate Address Redacted Karen A Faul Address Redacted Karen A Ketcheson Address Redacted Karen A Matheson Address Redacted Karen Almquist Address Redacted Karen Ann Servo Address Redacted Karen Anne Connell Address Redacted Karen Arndt Address Redacted Karen B Detweiler Address Redacted Karen Barbara Kimmel Address Redacted Karen Bates Peterson Address Redacted Karen Baxter Address Redacted Karen Benson Trust Karen Joan Benson - Trustee Address Redacted Karen Benthien Address Redacted Karen Berg Address Redacted Karen Bering Address Redacted Karen Beth Hall Address Redacted Karen Broderson Address Redacted Karen C Anderson Family Mineral Trust U/A Dtd 3/1/10 Address Redacted Karen C Boehler Address Redacted Karen Cassidy Address Redacted Karen Castor Address Redacted Karen Ceppetelli Address Redacted Karen Chapman Address Redacted Karen Christine Caturay Address Redacted Karen Danzeisen Address Redacted Karen Davidson Address Redacted Karen E Dahl Address Redacted Karen E Hogan Address Redacted Karen E Marvel-Naso Address Redacted Karen E Olson Address Redacted Karen E Pelton Address Redacted Karen E Tureck Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 316 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 319 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Karen Elaine Smith Address Redacted Karen Erickson Address Redacted Karen Espeseth Address Redacted Karen F Radil Address Redacted Karen Fitzgerald Address Redacted Karen Frances Hauschildt Address Redacted Karen Frank Johnson Address Redacted Karen Glee Tyner Address Redacted Karen Gombosi Address Redacted Karen Heller, Fka Karen Marie Wegleitner Address Redacted Karen Horob Address Redacted Karen Hyde Address Redacted Karen I Irgens Address Redacted Karen I Strobeck Lindseth Address Redacted Karen J Frechette Address Redacted Karen J Frye Address Redacted Karen J Green Address Redacted Karen J Lester Address Redacted Karen J Reppe Address Redacted Karen J Stay Address Redacted Karen Jackson Address Redacted Karen Jacobsen Address Redacted Karen Jacobson Address Redacted Karen Jean Ames Address Redacted Karen Jean Sheeley Address Redacted Karen Joy Klose Address Redacted Karen K Dwyer Timmreck Address Redacted Karen K Huff Address Redacted Karen K Marsland Address Redacted Karen Karni Address Redacted Karen Kinev Address Redacted Karen Kraut Annis Address Redacted Karen Kulzer Address Redacted Karen L & Charles E Erickson Life Estate Address Redacted Karen L & Val Troy Joiner Jtwros Address Redacted Karen L Chapman Revocable Tr Dtd 9/7/01 - Karen & William Chapman - Co-Trustees Address Redacted Karen L Duffey Address Redacted Karen L Freiburger Address Redacted Karen L Gaitaud Address Redacted Karen L Gehring Address Redacted Karen L Gunderson Address Redacted Karen L Oberlander Address Redacted Karen L Olsen Ttee Karen L Olsen Living Trust Address Redacted Karen L Roberts Address Redacted Karen L Salveson Address Redacted Karen L Tormaschy Address Redacted Karen Livingston Address Redacted Karen Luther Address Redacted Karen Lynn & Keith Alan Falls Jt Address Redacted Karen Lynne Zustiak Address Redacted Karen M Black Address Redacted Karen M Brookhart Address Redacted Karen M Cridlebaugh Address Redacted Karen M Grover Address Redacted Karen M Lauer-Fiedler Address Redacted Karen M Pirkl Address Redacted Karen M Potter Address Redacted Karen M Sanderford Address Redacted Karen M Scott Cridlebaugh Address Redacted Karen M Severtsen Address Redacted Karen M Sparks Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 317 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 320 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Karen M Tabbert Address Redacted Karen M Watney Address Redacted Karen Mack Address Redacted Karen Margene Kensok Address Redacted Karen Marie Barabash Address Redacted Karen Marie Stephenson Address Redacted Karen Morehouse Address Redacted Karen Myers Address Redacted Karen Nowstrup Hogarth Address Redacted Karen Oconnor Address Redacted Karen P Folland Address Redacted Karen P Nicely Address Redacted Karen P Smith Address Redacted Karen Pennington Address Redacted Karen Perritte Address Redacted Karen Perry Address Redacted Karen R Allmer Eldean Flath Aif Address Redacted Karen R Christoffersen Sutton Address Redacted Karen R Johnson Address Redacted Karen R Kyffin Address Redacted Karen R Wilson Address Redacted Karen Rae Dawson Address Redacted Karen Rasmussen Address Redacted Karen Reed O'Neill Address Redacted Karen Rivera Address Redacted Karen Rodakowski & David Rodakowski Address Redacted Karen Rudio-Ditchey Address Redacted Karen S Bordewick Address Redacted Karen S Grant Address Redacted Karen Saeugling Address Redacted Karen Sand Address Redacted Karen Schmidt Address Redacted Karen Schroeter Address Redacted Karen Severtsen Address Redacted Karen Simpson Address Redacted Karen Stangebye Address Redacted Karen Steffes Address Redacted Karen Stephens Address Redacted Karen Sue Anderson Address Redacted Karen Sue Miller Address Redacted Karen T Starr Address Redacted Karen Tantalo Lyons Address Redacted Karen Terese Lynch Address Redacted Karen Torelli Address Redacted Karen Turnage Freeman Address Redacted Karen Tyler Address Redacted Karen V & William H Martin Address Redacted Karen V & William H Martin Energy Ltd PO Box 2230 Midland TX 79702-2230 Karen V Hewgley Address Redacted Karen V Knechtges Address Redacted Karen V Martin As Ttee Of The Survivor Trust Created By The Martin Address Redacted Karen W Klein Address Redacted Karen W Sullivan Address Redacted Karen Wichterman Address Redacted Karen Zajic Revocable Trust Dtd 06/28/05 Karen, Frank & Scott Zajic Tte Scot Zajic Poa Address Redacted Karene Kathryn Wilkinson Address Redacted Karhu Resources LLC PO Box 86 Laramie WY 82073 Kari C Silliman Address Redacted Kari G Warberg Block Le Address Redacted Kari Gardner Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 318 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 321 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kari Korslien Address Redacted Kari L Clark Address Redacted Kari M Hubin Address Redacted Kari M Lee Address Redacted Kari Warberg Address Redacted Kari Wiley Address Redacted Karie Lynn Starks Address Redacted Karieann M Morehouse Address Redacted Karim Solanji Address Redacted Karin M Johnson Address Redacted Karin Marie Ebertz Address Redacted Karin S Fields Address Redacted Karin Stende Address Redacted Karine O Scott Trust Leo And Karine Scott, Trustees Address Redacted Karis Geyerman Walstad Address Redacted Karissa Meiers Address Redacted Karl D Hanni Address Redacted Karl G Bigelow And Jenny M Bigelow Jtwros Address Redacted Karl L Stefan Address Redacted Karl R Teisberg Address Redacted Karl Russell Leverman Address Redacted Karla A Salveson & Brian K Salveson Address Redacted Karla J Forbregd Address Redacted Karla J Oksanen Address Redacted Karla J Quinn Address Redacted Karla J Ware Address Redacted Karla Jean Boots Address Redacted Karla K Cavazos Address Redacted Karla K Franzen Address Redacted Karla L Aune Address Redacted Karla Manuel Address Redacted Karla Maureen Farland Address Redacted Karla Morford Address Redacted Karla Papineau Address Redacted Karla Price Address Redacted Karla Quale Address Redacted Karla Schaff Address Redacted Karla Sovig Zimney Address Redacted Karleen K Bridges Address Redacted Karlstad Rev Living Trust Gary L & Claire E Karlstad Trustees Address Redacted Karmark Properties LLC 2505 7th Ave East Williston ND 58801 Karolee Ferrell Address Redacted Karon F Kasprowicz Address Redacted Karon G Kallies Address Redacted Karon Koger Passow Address Redacted Karren Morehouse Address Redacted Karshandra Cullers Address Redacted Karsky Family Mineral Trust Dtd September 25, 2007 Raymond Karsky & Darlene Karsky, Trustees Address Redacted KARY DATA, INC. 1917 MARKET STREET STE. B Denver CO 80290 Karyl Ann Helling Address Redacted Karyl Burress Address Redacted Karyn B Helm Address Redacted Karyn P Zimmerman Address Redacted Kasey Dale Helling Address Redacted Kasey Lebechuck Address Redacted Kasey Neville Address Redacted Kasie L Fournier Address Redacted Kasmer & Aafedt Oil Inc Address Redacted Kasper Family Trust American Trust Center - Successor Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 319 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 322 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kassandra Breanne Ramos Address Redacted Katasha R Kringen Address Redacted Kate Ann Resell Address Redacted Kate Sells Address Redacted Katharine Hunt Fitzgerald Address Redacted Katharine M Vogel Address Redacted Katharine Thekla H Shepherd Address Redacted Katharine Tweedy Waring Trust Wells Fargo Bank Of Texas Na Address Redacted Katharyn J Cross Address Redacted KATHARYN TROTTER Address Redacted Katherine A Bentley Trust Established June 10, 2013 Katherine A Bentley, Trustee Address Redacted Katherine A Bowers Address Redacted Katherine A Pulver Address Redacted Katherine A Sepkovic Address Redacted Katherine Ann Donaldson Address Redacted Katherine B Cochran Address Redacted Katherine B. Artus Address Redacted Katherine Ballentine Address Redacted Katherine Brown, Individually Address Redacted Katherine Chase Address Redacted Katherine Dobbs Fortner Address Redacted Katherine E Gilmore Bypass Tr Dtd 5-9-17 - Katherine & W H Gilmore Jr - Trustees Address Redacted Katherine E Johnson Address Redacted Katherine E. Cox And Kenneth M. Cox, J/T Address Redacted Katherine Fletcher Address Redacted Katherine Fox Address Redacted Katherine Halphide Griffith Address Redacted Katherine J Dickinson Address Redacted Katherine Johnson Address Redacted Katherine K Faust Address Redacted Katherine Keith Hennigan Address Redacted Katherine Koetting Address Redacted Katherine Kolliker Mcintyre Address Redacted Katherine L Bauer Address Redacted Katherine L Zebell Address Redacted Katherine Lalicker Address Redacted Katherine M Harms Address Redacted Katherine M Mcmurrey Address Redacted Katherine Machardy Address Redacted Katherine N Brooks Address Redacted Katherine N Ortloff Address Redacted Katherine O'Neill Kelly Address Redacted Katherine Pedersen Blanchard Address Redacted Katherine R Kirschmann Address Redacted Katherine R Stair Address Redacted Katherine S. Brautigam Address Redacted Katherine Thorson Address Redacted Katherine Weekes C/O Townsend U Weekes Address Redacted Kathi Dore Address Redacted Kathie Leavitt Address Redacted Kathleen & Donald Newkirk L/E Address Redacted Kathleen & Laura Boedeker Jtwrs Address Redacted Kathleen & Richard Lorch (Le) Address Redacted Kathleen A Bieber Address Redacted Kathleen A Hansen Address Redacted Kathleen A Loh Address Redacted Kathleen A Mcconnell Address Redacted Kathleen A Price Address Redacted Kathleen A Skoog Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 320 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 323 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kathleen A Tweed Address Redacted Kathleen A Wolf Address Redacted Kathleen A Wolff Address Redacted Kathleen A. Wolf Address Redacted Kathleen Adams Address Redacted Kathleen Andrew Address Redacted Kathleen Ann Nye Daly Address Redacted Kathleen Ann Rowe Address Redacted Kathleen B Noble Address Redacted Kathleen C Schaff Address Redacted Kathleen Christians Address Redacted Kathleen Crites Address Redacted Kathleen D & Mark Gerl Address Redacted Kathleen D Eide L/E Address Redacted Kathleen D Helliesen Address Redacted Kathleen Doerr Address Redacted Kathleen E Thornton Address Redacted Kathleen E Unterseher Kilsdonk Address Redacted Kathleen Estes Dougan Address Redacted Kathleen Fay Mahin Address Redacted Kathleen G Barnes Address Redacted Kathleen G Hill Address Redacted Kathleen G Lynch Address Redacted Kathleen G Lynch Irrevocable Self-Settled Special Needs Tr Alicia M Lynch Neether-Trustee Address Redacted Kathleen Gartner Address Redacted Kathleen Geralts Address Redacted Kathleen Hay Address Redacted Kathleen Hibl Address Redacted Kathleen J Alberda Address Redacted Kathleen J Delaney Address Redacted Kathleen J Fox Address Redacted Kathleen J Johnson Address Redacted Kathleen J Olson Address Redacted Kathleen Joy Murphy Address Redacted Kathleen K Lorch (Le) Address Redacted Kathleen Keillor Okeefe Address Redacted Kathleen Kessinger Address Redacted Kathleen Klos Address Redacted Kathleen Knoll Ronald J Knoll Poa Address Redacted Kathleen Kutter Address Redacted Kathleen L Allen Address Redacted Kathleen L Johnson Address Redacted Kathleen L Kupser Address Redacted Kathleen L Lehmann Address Redacted Kathleen L Marks Address Redacted Kathleen L Rucki Address Redacted Kathleen Lander Resources LLC 168 6th St E Unit 3606 St Paul MN 55101 Kathleen Loosen Starks Address Redacted Kathleen M Carlson Address Redacted Kathleen M Carlson Revocable Trust Dtd 12-11-17 Address Redacted Kathleen M Drovdal Address Redacted Kathleen M Fischer Address Redacted Kathleen M Hedrick Address Redacted Kathleen M Kukowski Trtee Of Kathleen M Kukowski Irr Mineral Trust Address Redacted Kathleen M Lauinger Address Redacted Kathleen M Olson Address Redacted Kathleen M Snell L/E Address Redacted Kathleen Matthew Address Redacted kathleen mcmahon Address Redacted Kathleen Neyer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 321 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 324 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kathleen P Fratzke Address Redacted Kathleen P Henderson Address Redacted Kathleen P Thomas Address Redacted Kathleen Patricia Huber Garvin Address Redacted Kathleen Pikus Address Redacted Kathleen R Dietzen Address Redacted Kathleen R Kochanasz Address Redacted Kathleen R Lejameyer Address Redacted Kathleen R Mendel Address Redacted Kathleen R Nesheim Address Redacted Kathleen R Welty Address Redacted Kathleen Richardson Address Redacted Kathleen Richman Woodward Address Redacted Kathleen S Jahner Address Redacted Kathleen Safratowich Lvg Trust Address Redacted Kathleen Shannon Jt Address Redacted Kathleen Shea Address Redacted Kathleen Sjostrom Address Redacted Kathleen Spellman - Aurichio Revocable Trust UA DTD 11/9/15 Address Redacted Kathleen Stringer Address Redacted Kathleen Sue Sharbono Address Redacted Kathleen T Wolter Address Redacted Kathleen Tower Address Redacted Kathleen Wainman Address Redacted Kathleen Wilde Mitchell Address Redacted Kathleen Wilmeth Cowart Address Redacted Kathleen Windrow Sreenan Address Redacted Kathleen Wolfe Kemp Address Redacted Kathleen Wolfington Address Redacted Kathlyn A Kolberg Cynthia Ritteman Aif Address Redacted Kathlyn A Mcculla Address Redacted Kathrin A Kjos Address Redacted Kathryn A Jefford Address Redacted Kathryn A Papineau Address Redacted Kathryn A Wagner Address Redacted Kathryn Ann Rice-Trumble Address Redacted Kathryn Ann White Address Redacted Kathryn Bratly Address Redacted Kathryn C Brudvik Address Redacted Kathryn Coffelt Miller Address Redacted Kathryn D Norton Address Redacted Kathryn Dill Tuttle Address Redacted Kathryn Dworsky Murdock Address Redacted Kathryn E Allen Address Redacted Kathryn E Hilman Address Redacted Kathryn Gorz Address Redacted Kathryn Gorz C/O James A Oneill Md Address Redacted Kathryn Heck Address Redacted Kathryn I Mccallie L/E Address Redacted Kathryn I Meduna Address Redacted Kathryn J Bina Address Redacted Kathryn J Conaway Address Redacted Kathryn J Isakson Address Redacted Kathryn J Myers Frodsham & Harold W Frodsham Jts Address Redacted Kathryn J Oksol Address Redacted Kathryn J Scott Trust Dtd 4-30-13 Kathryn J Scott, Trustee Address Redacted Kathryn J Trogstad Address Redacted Kathryn Johnson Address Redacted Kathryn K Lea Address Redacted Kathryn L Duran Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 322 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 325 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kathryn L Hess Address Redacted Kathryn L Oharrow Address Redacted Kathryn Lenz Address Redacted Kathryn M Aagard Address Redacted Kathryn M Dawson Address Redacted Kathryn M Prill Green Address Redacted Kathryn Okeefe Address Redacted Kathryn Peyton Baum Trustee Of The 2005 Mary Kay Baum Special Needs Trust Udt 08/17/05 Address Redacted Kathryn R & John W Lupardus Jr Address Redacted Kathryn R Caskie Address Redacted Kathryn R Mercer Address Redacted Kathryn R Rathert Address Redacted Kathryn Ruth Sulivan-Distel Address Redacted Kathryn Ryan Higgins Address Redacted Kathryn Sanders Ackley Address Redacted Kathryn Saracini Address Redacted Kathryn Stanton Leary Howard Address Redacted Kathryn Sue Yrique Address Redacted Kathryn Williamson T Grisham Address Redacted Kathy A Delahunt Address Redacted Kathy A Hecker Address Redacted Kathy A Johnston Address Redacted Kathy A. Edgel Address Redacted Kathy Ann Carroll Address Redacted Kathy Ann Davis Address Redacted Kathy Brien Douthat Address Redacted Kathy Coughlin Borcher Address Redacted Kathy Dorothy Garbe Address Redacted Kathy F Boreen Address Redacted Kathy Freier & Harold Freier Address Redacted Kathy Frommel Address Redacted Kathy H Koch Address Redacted Kathy H Peterson Address Redacted Kathy Hensman Address Redacted Kathy J Helm Address Redacted Kathy J Kuntz Address Redacted Kathy J Mathern Address Redacted Kathy James Aka Kathleen E James Address Redacted Kathy Jane Aiello Address Redacted Kathy Jo Barrett Address Redacted Kathy Jo Opperud Address Redacted Kathy Kelsch Address Redacted Kathy Kooren Address Redacted Kathy Kronebusch Address Redacted Kathy L Elkins Address Redacted Kathy L Johnson Address Redacted Kathy L Keel Joint Tenant Life Estate Address Redacted Kathy L Reis Address Redacted Kathy L Rhines Address Redacted Kathy M. Wight Address Redacted Kathy Mccrary Address Redacted Kathy Myhre Address Redacted Kathy N Bouta Address Redacted Kathy Osburn Address Redacted Kathy Quillman Address Redacted Kathy Stair Address Redacted Kathy Stevens Trustee Carrie Jan Kelly Irr Trust Address Redacted Kathy Sue Parmley Address Redacted Kathy Ulrich Address Redacted Kathy Wegleitner Address Redacted Kathy Wick Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 323 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 326 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kathy Wiley Dykes Address Redacted Kathy Zimmer Address Redacted Katie E Pittman Address Redacted Katie Gregory Revoc Lvg Trust Steven Gregory, Succ Ttee Address Redacted Katie Leupp Address Redacted Katie Lynn Serr Address Redacted Katie M Barnett Test Trust First Midwest Bank Attn L Falasca Address Redacted Katie M Easley Address Redacted Katie Phelps Address Redacted Katie Roberts Address Redacted Katrina Summers Address Redacted Katy Lu Address Redacted kau family trust Address Redacted Kauffman Land & Development 1675 Broadway Suite 2800 Denver CO 80202 Kauffman Land & Dvpmt LLC 1675 Broadway Ste 2800 Denver CO 80202 Kauffmann, Sean Address Redacted Kaufman Land & Development LLC 1675 Broadway Ste 2800 Denver CO 80202 Kay & Roger Thompson J/T Address Redacted Kay A Paulsrud Address Redacted Kay A Sidlauskas Address Redacted Kay Alice Enright Address Redacted Kay Althoff Address Redacted Kay Appleman Address Redacted Kay Bowen Lopez Address Redacted Kay Derouin Address Redacted Kay Iverson Address Redacted Kay Joann Harbeck & David Harbeck Address Redacted

Kay K Hendricks Tst Dtd 3-2-93 Kay K Hendricks Trustee Address Redacted Kay King Hall Address Redacted Kay Knutson Address Redacted Kay L Smith Werlin Exempt Trst Kay Lee Smith Werlin Trustee C/O Wpw Management Address Redacted Kay Louise Foutz Address Redacted Kay M Mathson Address Redacted Kay Margaret Roberts Address Redacted Kay Marie Hanson Address Redacted Kay Nelson Address Redacted Kay R Marshall Address Redacted Kay Sandra Eckstein Address Redacted Kay Stepanek Address Redacted Kay Thompson Address Redacted Kayden Industries Usa Inc Address Redacted Kaye Becker Address Redacted Kayla Jacobson Address Redacted Kayla M Kraft Address Redacted Kayla Meyer Address Redacted Kaylan Craig Address Redacted Kaylee Wahlstrom Address Redacted Kayleen B Stedman Address Redacted Kayleen Mcloughlin Address Redacted Kaylena Jean Carmody Address Redacted Kaylene M Collins Address Redacted Kayte Isakson Address Redacted Kazoku Interests LLC PO Box 27202 Houston TX 77227 Kazzandria Duralia Address Redacted Kb Delta Inc 3340 Fujita St Torrance CA 90505 Kb Oil Tools LLC PO Box 240 Kersey CO 80644-0240 K-B Services 522 7th St Se Sidney MT 59270 Kb Sycamore Creek Ranch LP PO Box 678 Gainesville TX 76241 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 324 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 327 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kb Working Interests LLC PO Box 50470 Midland TX 79710 KB WORKING INTERESTS LLC P O BOX 50470 Midland TX 79710 Kbb Holdings LLC 1309 E South Temple Salt Lake City UT 84102 Kbk Industries LLC Dept #41979 Po Box 650020 Dallas KS 75265-0020 Kbl Mineral Company LLC 410 17th St Denver Suite 1150 Denver CO 80202 Kbm 2000 Limited 1920 Nacogdoches Suite 201 San Antonio TX 78209 Kch Montana Minerals LLC PO Box 20237 Billings MT 59104 Kch North Dakota Minerals LLC PO Box 20237 Billings MT 59104-0237 KCH NORTH DAKOTA MINERALS LLC PO BOX 20237 Billings MT 59104-0237 Kcnc-Tv Address Redacted Kcr Investments Inc Fredrick D Sewell 5949 Sherry Lane Suite 1610 Dallas TX 75225 Kd Oil And Gas Inc 149 Natural Bridge Road Douglas WY 82633 Kd Resources, LLC 5065 Westheimer Rd Ste 920 Houston TX 77056-5773 KDM PETROMANAGEMENT PO BOX 1558 Naples FL 34106 Kdm Petromanagement LLC PO Box 1558 Naples FL 34106 KDM PETROMANAGEMENT LLC PO BOX 1558 Naples FL 34106 KE ANDREWS Address Redacted Ke Andrews & Company 1900 Dalrock Road Rowlett TX 75088 Keane Frac Lp Attn Treasury 5825 N Sam Houston Pkwy W Ste 600 Houston TX 77086 Keane Frac Lp PO Box 679344 Dallas TX 75267-9344 Kecia Speck Address Redacted Kecia Zullo Address Redacted Kee Engineering & Consulting Llc Po Box 831 Price UT 84501 Keegan Schunke Address Redacted Keele Sanitation LLC PO Box 1660 Cody WY 82414 Keeling Family Irrevocable Tr Dtd 7-9-19 Thomas Keeling - Trustee Address Redacted Keely Meyer Address Redacted Keever-Carkier Family Trust William B Cariker Trustee Address Redacted Keg A Texas General Partnershi Address Redacted Keira Kennedy Adams Address Redacted Keira L Rambousek C/O Sandra L Rambousek Address Redacted Keith & Lynda A Berger Life Estate Address Redacted Keith A Barta Address Redacted Keith A Howard Address Redacted Keith A Wolf Address Redacted Keith A Wolf & Susann Wolf Address Redacted Keith Alen Meiers Address Redacted Keith Allen Ellefson Address Redacted Keith And Ellen Rossmiller Address Redacted Keith Anthony Martin Address Redacted Keith Arlin Kinden Revocable Trust Dtd 8-15-14 H Kitchener Layland Jr - Tr Address Redacted Keith B Mcclelland Address Redacted Keith B Olsen Address Redacted Keith Beard Address Redacted Keith Berger Address Redacted Keith Bissett Address Redacted Keith Cavett Address Redacted Keith D Gustafson And Angela M Gustafson Address Redacted Keith D Myhre Address Redacted Keith D Winter Address Redacted Keith E Fairbairn Address Redacted Keith E Moe Address Redacted Keith E Oe & Kathleen M Oe, J/T & L/E Address Redacted Keith Edward Shafer Address Redacted Keith Fehr Address Redacted Keith Flygare Address Redacted Keith Frederickson Address Redacted Keith G Ranum Address Redacted Keith H Bristow Address Redacted Keith H Nottingham Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 325 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 328 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Keith Hagen Address Redacted Keith Harrington Address Redacted Keith Hill Address Redacted Keith J Sigmon Address Redacted Keith Key Address Redacted Keith Kinden Address Redacted Keith Knodt Address Redacted Keith L & Joyce M Janssen Life Estate Address Redacted Keith Lindbo Address Redacted Keith M And Jeanne E Crouch Jt Address Redacted Keith M Foster And Lisa Marie Foster Address Redacted Keith M Leiseth Address Redacted Keith Mcneil Address Redacted Keith Mohl Trust Dated 2/8/99 Address Redacted Keith N Mack Address Redacted Keith N Mack c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Keith O Oien Address Redacted Keith Orth Address Redacted Keith Papineau Address Redacted Keith R Ceynar Address Redacted Keith R Groven Address Redacted Keith R Hartstrom Address Redacted Keith R Thies Address Redacted Keith Raymond Hughes Address Redacted Keith Ridl Address Redacted Keith Riedel Address Redacted Keith S Bennett Estate Jeffrey B Bennett - Pr Address Redacted Keith S Adams Address Redacted Keith S Bennett Address Redacted Keith S Thompson Address Redacted Keith T Wood Address Redacted KEITH W & THELMA S JOHNSON Address Redacted Keith W Elstad Address Redacted Keith W Satermo Minerals LLC 3001 34th Ave S Apt 1103 Fargo ND 58104-5152 Keith Weiand Heir Of Ruth B Weiglet Weiand Address Redacted Keith Willard Address Redacted Keith Witt Address Redacted Kelclay Inc 288 Clayton St Ste 206 Denver CO 80206 KELCLAY INC 288 CLAYTON ST STE 206 Denver CO 80206 KELCLAY, INC 288 CLAYTON ST STE 206 Denver CO 80206 Kellar, Tyler Address Redacted Kelle D Fackler Address Redacted Keller, John Address Redacted Kelley And Jeremy Bryan Jtwros Address Redacted Kelley Marks Address Redacted Kelley Mercier Address Redacted Kelley Natural Resources LLC 727 N Waco #400 Wichita KS 67203 Kelli Graff Address Redacted Kelli Norby Address Redacted Kelli R Borden Address Redacted Kelli R Hammeren Address Redacted

Kellogg Family Minerals Trust First Western Bank & Trust Address Redacted Kellund Living Trust Dtd 4-1-92 Pamela L Richardson - Trustee Address Redacted Kelly & Angela Heiser Address Redacted Kelly & Stacy Gunlikson Address Redacted Kelly A Goetz Address Redacted Kelly A Lilly Address Redacted Kelly A Petty Address Redacted Kelly A Stewart Address Redacted Kelly A Wypyszynski Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 326 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 329 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kelly Ann Aaron Address Redacted Kelly Barton Address Redacted Kelly C Lewis Jr Address Redacted Kelly Colton Krommenhoek Address Redacted Kelly Corbell Address Redacted Kelly Craig Fisher Address Redacted Kelly D & Frances M Olson J/T Address Redacted Kelly D Olson Address Redacted Kelly D Robinson Living Trust Dtd May 1, 2007 Address Redacted Kelly D Shelley Address Redacted KELLY ENERGY, LLC 1144 W. MIRACLE MILE Tucson AZ 85705 Kelly Erickson Address Redacted Kelly F Scott Address Redacted Kelly Fugere & Marilyn Fugere, J/T Address Redacted Kelly G Larson Address Redacted Kelly G Lee Address Redacted Kelly Hanna Address Redacted Kelly J Cain Address Redacted Kelly J Gustafson Address Redacted Kelly James Benzinger Address Redacted Kelly L Jenni Address Redacted Kelly L Mish Ttee Kelly L Mish Trust Address Redacted Kelly Lebechuck Address Redacted Kelly M Dekker Rodriquez Address Redacted Kelly M Diener Address Redacted Kelly M Freiberger Address Redacted Kelly M Mouritsen Address Redacted Kelly M Orth Joint Revocable Trust - Kelly M & Julie A Orth Trustees Address Redacted Kelly Mitchell Jackson Address Redacted Kelly Oil & Gas LLC 303 South Union St Unit #1 Traverse City MI 49684 KELLY OIL & GAS LLC 303 S UNION ST Traverse City MI 49684

Kelly Revocable Trust Successor Trustee Thomas L Kelly Address Redacted Kelly Rhodes Address Redacted Kelly Weber Estate Address Redacted Kelly, Kevin Address Redacted Kelmar Associates Address Redacted Kelsey L Eikren Address Redacted Kelsey Lee Wilson Address Redacted Kelsey Murray Address Redacted Kelsey Nichole Mccabe Address Redacted Kelvin B Nesheim & Maria L Nesheim Trustees Of The Kelvin & Maria Nesheim Rev Tr Address Redacted Kelvin D Timms Address Redacted Kelvin Energy Inc 5232 Crossings Parkway Birmingham AL 35242-4544 Kembel, Kurt Address Redacted Kemp Mineral Properties LP Merle Rasmussen - Poa PO Box 607 Corvallis MT 59828 Kemp Monroe Slayton Address Redacted Kempenich, Brian Address Redacted Ken Altschuld Address Redacted Ken Harmon Address Redacted Ken Heck & Susan Heck Address Redacted Ken Henry Address Redacted Ken Kamon Address Redacted Ken Larson Address Redacted Ken Perkins Oil & Gas Inc 50 Sugar Creek Center Blvd Suite 275 Sugar Land TX 77478 Kenda R Horacek Address Redacted Kendal A & Alison J Voorhees Address Redacted Kendall B Smart Address Redacted Kendall L Read Address Redacted Kendall Pfeiffer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 327 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 330 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kendall Sundheim Address Redacted Kendra Faiman Obrien Address Redacted Kendra Wakefield Address Redacted Kenebrew Minerals LP PO Box 917 Idalou TX 79329 Kenitzer, Eric Address Redacted

Kenn G And Kay G Skadeland Tr Kim Hennessy Trustee Address Redacted Kenn G And Kay G Skadeland Trustees Of The Kenn And Kay Skadeland Trust Dtd 10/01/2014 Address Redacted Kenna Rae Gilmore Address Redacted Kennbecks Jack & Jill Address Redacted Kennedy Ace Hardware Inc 100 S 20th St Worland WY 82401-3742 Kennedy Family Trust Gertrude G Kennedy Trtee Address Redacted Kennedy Minerals Ltd 500 W Texas Suite 655 Midland TX 79701 KENNEDY MINERALS LTD 500 W TEXAS SUITE 655 Midland TX 79701 Kenneth & Barbara Newton, J/T Address Redacted Kenneth & Bernice Auverson Mineral Trust U/A Dtd 6/7/12 Elaine Johnson & Bonnie K Sjol Co-Trustees Address Redacted Kenneth & Cynthia Martin Address Redacted Kenneth & Darlene Hauf Ttees Kenneth & Darlene Hauf Rev Tr Address Redacted Kenneth & Janis Dickeson Jt Address Redacted Kenneth & Joan Littlefield LLP 7897 46th St Nw New Town ND 58763 Kenneth & Patricia Leiseth Jt Address Redacted Kenneth & Paula Jo Norell J/T Address Redacted Kenneth & Rosalie Stevenson Address Redacted Kenneth & Verna Kadrmas Irr Tr Kenneth & Verna A, Ttees Address Redacted Kenneth A Christensen Address Redacted Kenneth A Decker Tr Dt 6-28-13 Kenneth A Decker Trustee Address Redacted Kenneth A Johnson Address Redacted Kenneth A Keller Address Redacted Kenneth A Olson Address Redacted Kenneth A Rykowski & Connie L Rykowski Lvg Trust Kenneth Rykowski - Trustee Address Redacted Kenneth A Schlenker Address Redacted Kenneth Alfred Bloom & Ann Blaney Bloom Trust Carolyn Peterson - Trustee Address Redacted

Kenneth Alfred Bloom & Annb Bloom Trust Dtd 6/21/89 Address Redacted Kenneth Arneson Address Redacted Kenneth B Charlson Address Redacted Kenneth B Haesly Address Redacted Kenneth B Lyons Address Redacted Kenneth Barnhart Address Redacted Kenneth Berg Address Redacted Kenneth Borseth Address Redacted Kenneth Braun Address Redacted Kenneth Breedlove Address Redacted Kenneth Brehnan Address Redacted Kenneth Burmeister Address Redacted Kenneth C Coffelt Address Redacted Kenneth C Elstad Address Redacted Kenneth C Gunderson Address Redacted Kenneth Carlson Address Redacted Kenneth Charles Brown Duane & Taffi Brown Guardians Address Redacted Kenneth Coldewey Address Redacted Kenneth Courser Address Redacted Kenneth D Bolls Address Redacted Kenneth D Curtis Address Redacted Kenneth D Graham Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 328 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 331 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kenneth D Ibsen Address Redacted Kenneth D Kittleson And Marion F Kittleson Jtwros Address Redacted Kenneth D Larson Address Redacted Kenneth D Leens Address Redacted Kenneth D Sharbono And Graycie C Sharbono Address Redacted Kenneth D Stevenson Address Redacted Kenneth Damm Address Redacted Kenneth David Collins, Ii Address Redacted Kenneth Demasters Address Redacted Kenneth Deyoung Address Redacted Kenneth Donald Anderson Address Redacted Kenneth E Norell Address Redacted Kenneth E Rogness Address Redacted Kenneth E Sande Address Redacted Kenneth E Sheets Jr Address Redacted Kenneth E Younglund Maggie Dice, Poa Address Redacted Kenneth Ellvanger Address Redacted Kenneth F And Karla M Walz Joint Tenants Address Redacted Kenneth F Sorenson Address Redacted Kenneth F Stoppleworth Address Redacted Kenneth Faiman Address Redacted Kenneth Fridley Address Redacted Kenneth Gerhardt Address Redacted Kenneth H Niles Address Redacted Kenneth Hall Mark Hall, Poa Address Redacted Kenneth Halphide Address Redacted Kenneth Homer Address Redacted Kenneth Hutzenbiler Address Redacted KENNETH J & KATHRYN KNELS Address Redacted Kenneth J & Kathryn Knels Joint Tenants Address Redacted Kenneth J Anton & Virginia L Anton Address Redacted Kenneth J Bragg Address Redacted Kenneth J Deitz Address Redacted Kenneth J Finsaas Address Redacted Kenneth J Knels Address Redacted Kenneth J Panacek Address Redacted Kenneth J Pirics Address Redacted Kenneth J Ridl Address Redacted Kenneth J Schindler Address Redacted Kenneth J Usselman Address Redacted Kenneth J. Coghlan Address Redacted Kenneth J. Donlevy Address Redacted Kenneth Jason Coghlan and Leah K Kopseng Coghlan Address Redacted Kenneth Jason Coghlan Roth IRA Address Redacted Kenneth Jay Hanson Address Redacted Kenneth John Babbitt Address Redacted Kenneth K Gamblin Address Redacted Kenneth K Solberg Address Redacted Kenneth Keillor Address Redacted Kenneth Kilen Address Redacted Kenneth Kilen And Connie Kilen J/T Address Redacted Kenneth Kjorstad Address Redacted Kenneth Knetig Parsons Address Redacted Kenneth Knox Woolley Address Redacted Kenneth Krueger Address Redacted Kenneth Kueng Address Redacted Kenneth L And Melissa L Crouch Jt Address Redacted Kenneth L Gathman And Ardyce J Gathman Jt Address Redacted Kenneth L Keillor Address Redacted Kenneth L Lindley Address Redacted Kenneth L Morrell Address Redacted Kenneth L Oster Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 329 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 332 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kenneth L Peterson Address Redacted Kenneth L Steffan Address Redacted Kenneth Leiseth Address Redacted Kenneth Leslie & Delores Karl Address Redacted Kenneth M Frank Address Redacted Kenneth M P Lindh Address Redacted Kenneth M Robinson Address Redacted Kenneth M Streiff Test Trust J Kent Streiff - Trustee Address Redacted Kenneth M Swenson Life Estate Address Redacted Kenneth Mcwhorter Address Redacted Kenneth Morgan Post Lindh B Tr Lynda Yost Lindh Tr Address Redacted Kenneth Morris Address Redacted Kenneth N And Milana Berg Address Redacted KENNETH N AND MILANA L BERG Address Redacted Kenneth Nettleton Address Redacted Kenneth Newton Address Redacted Kenneth O Peterman Address Redacted Kenneth Okland Address Redacted Kenneth Osborne Address Redacted Kenneth Owen Address Redacted Kenneth P Wolf & Christine Wolf Address Redacted Kenneth R & Laverne Swarb Address Redacted Kenneth R Berry & Leslie A Berry Address Redacted Kenneth R Berry Jr Address Redacted Kenneth R Hanssen Address Redacted Kenneth R Obritsch & Jeannie M Obritsch Address Redacted Kenneth R Sanford Address Redacted Kenneth R Stringer Address Redacted Kenneth Romo Address Redacted Kenneth Sanford Address Redacted Kenneth Sanford And Carol Sanford Jt Address Redacted Kenneth Schlothauer Address Redacted Kenneth Schlothauer & Stephanie Schlothauer J/T Address Redacted Kenneth Scull Address Redacted Kenneth Simonsen Address Redacted Kenneth T Scott Address Redacted Kenneth U & Theresa J Navarre Co-Trustees Of Kenneth U And Theresa J Navarre Rev Lvg Tr Address Redacted Kenneth V Dahl Trust B Wolfgang Sarrazin & Steven Harris, Co-Trustees Address Redacted Kenneth W Charlson Address Redacted Kenneth W Cory Ltd Address Redacted Kenneth W Hodgson Address Redacted Kenneth W Karsky Address Redacted Kenneth W Mack Address Redacted Kenneth W Ross Address Redacted Kenneth W Viall Address Redacted Kenneth Wiley Address Redacted Kenneth Z Scott Address Redacted Kenney, Christina Address Redacted Kennington, Clayton Address Redacted Kenny Gustafson Address Redacted Kenny Stedman Address Redacted Kens Reproductions Lllp 2220 Curtis Street Denver CO 80205 Kensy Royalty LLC PO Box 703044 Tulsa OK 74170 Kent Arthur Hall Address Redacted Kent Bahl & Alene Bahl JT Ten Address Redacted Kent Belstad Address Redacted Kent C Nygren Address Redacted Kent E Olsen Address Redacted Kent J Horne Address Redacted Kent Koral Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 330 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 333 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kent L Johnson Living Trust Kent L Johnson Trustee Address Redacted KENT LYNCH Address Redacted Kent M Lynch Address Redacted Kent Norby Address Redacted Kent Production Company LLC PO Box 131524 Houston TX 77219-1524 Kent R Preszler Address Redacted Kent R Ridl Address Redacted Kent S Davis Address Redacted Kent S Taylor Address Redacted Kent Stillwell Address Redacted Kenton R Very Address Redacted Kentucky State Treasurer Address Redacted Kenya C Ostermeier Address Redacted Kenyon Falkenhagen C/O Mark Haldorson Address Redacted

Keogh-Grantier Trust No 1 Jayne & Gary Miller Trustees Address Redacted Keogh-Grantier Trust No 2 Brooks & Wanza Grantier Ttees Address Redacted Keown, Carrie Address Redacted Kepner Family Trust Dtd 1-1-09 Address Redacted Keppen, Brian Address Redacted Keppler Family Mineral Trust Dtd 11-4-12 - Elizabeth A & Donald J Keppler - Trustee Address Redacted Keree Delynn Olsen Address Redacted Kerker, Kevin Address Redacted Kerley, Bethany Address Redacted Kermit & Helen Larson Ttees Kermit & Helen Larson Revoc Living Trust Dtd 10/3/97 Address Redacted Kermit Answering Service Address Redacted Kermit Botten Estate C/O Helen Botten Address Redacted Kermit E & Helen M Larson Revocable Trust Nancy Maloney - Trustee Address Redacted Kermit Hollinger Address Redacted c/o Perdue, Brandon, Fielder, Collins & Kermit Independent School District Mott LLP Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Kerogen Resources, Inc 1880 South Dairy Ashford Street Suite 545 Houston TX 77077 KERR MCGEE Address Redacted Kerr Mcgee Corporation PO Box 730875 Dallas TX 75373-0875 Kerr Mcgee O & G Onshore LP PO Box 730875 Dallas TX 75373-0875 KERR MCGEE O & G ONSHORE LP PO BOX 730875 Dallas TX 75373-0875 Kerr Mcgee Oil & Gas Onshore PO Box 730875 Dallas TX 75373-0875 Kerrco Inc 808 Travis Street Suite 2200 Houston TX 77002 Kerri Strasheim Address Redacted KERR-MCGEE OIL & GAS CORPORATION PO BOX 730875 Dallas TX 75373-0875 Kerry A Maas Address Redacted Kerry Bjorgen Address Redacted Kerry C Baker Address Redacted Kerry Don Fletcher Address Redacted Kerry J Niece Address Redacted Kerry J Stern Ttee North Star Energy Trust Address Redacted Kerry Jones Address Redacted Kerry P Hoffman Address Redacted Kerry Sticka Address Redacted Kerry Stone Address Redacted Kershaw Putnam LLC PO Box 20588 Oklahoma City OK 73156-0588 Kershisnik, Stephan Address Redacted Kessel Family Trust Dtd 12-15-14 - Gal N & Carolyn F Kessel - Co-Trustees Address Redacted Kessel, Darren Address Redacted Ket Interests LLC 1415 South Voss Road Suite 110, #104 Houston TX 77057 Ketil Hagen Address Redacted Kevan Knutson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 331 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 334 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Keven & Judith Hurd Joint Tenants Address Redacted Keven Nelson Address Redacted Kevera Limited Partnership Address Redacted Kevin & Nancy Buresh Irrevocable Trust Kevin D & Nancy - Trustees Address Redacted Kevin A Mccoy Address Redacted Kevin A Small Address Redacted KEVIN A. KELLY Address Redacted Kevin Aarestad Address Redacted Kevin Adams Address Redacted Kevin Allen Address Redacted Kevin Boltz Address Redacted Kevin C Morgan Address Redacted Kevin C Peterson Address Redacted Kevin Clothier Address Redacted Kevin D Lund Address Redacted Kevin D Myhre Address Redacted Kevin D Schmaltz Address Redacted Kevin Danknich Address Redacted Kevin Degerness Address Redacted Kevin Deschneau Address Redacted Kevin Deyoung Address Redacted Kevin E Sondrol Address Redacted Kevin F & Sheila M Filler Jt Address Redacted Kevin F Kurth Address Redacted Kevin Freed & Olivia Freed Jt Address Redacted KEVIN GEORGE TURNBOW Address Redacted Kevin Glen Rogers Address Redacted Kevin Green Address Redacted Kevin Groven Address Redacted Kevin Hack Address Redacted Kevin Hartman Address Redacted Kevin Hylas Johnson Address Redacted Kevin J Connor Address Redacted Kevin J Iverson Address Redacted Kevin James Tveit Address Redacted KEVIN KELLY Address Redacted Kevin Kessel Address Redacted Kevin L Cherrey And Merlene D Cherrey Jtwros Address Redacted Kevin L Hurley Address Redacted Kevin L Wentz Address Redacted Kevin Leigh Kimball Address Redacted Kevin Leiseth Address Redacted Kevin Lindbo Address Redacted Kevin Lloyd Alvin Hedstrom Address Redacted Kevin M Brittner Address Redacted Kevin M Conners LLC Address Redacted Kevin M Dunnigan Address Redacted Kevin M Houck Address Redacted Kevin M Kramp Address Redacted Kevin M Roness Address Redacted Kevin Magnuson Address Redacted Kevin Moore Ssmtt Gst Exempt Trst -Rev & Restated 12/22/08 Kevin Moore, Trustee Address Redacted Kevin Moore Ssmtt Gst Non- Exempt Trust, Rev & Restated 12/22/2008, Kevin Moore - Ttee Address Redacted Kevin Nelson Address Redacted Kevin Noel Sullivan Address Redacted Kevin O Lapica Address Redacted Kevin Olson Address Redacted Kevin Papineau Address Redacted Kevin Pfister Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 332 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 335 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kevin Quinn And Joan Quinn Jt Address Redacted Kevin R Bauder Address Redacted Kevin R Dahl Address Redacted Kevin R Satermo Address Redacted Kevin R Thies Address Redacted Kevin Rasmussen Address Redacted Kevin Reid Berg Address Redacted Kevin Ross Address Redacted Kevin S Beagle Address Redacted Kevin S Long Address Redacted Kevin S Pladson Address Redacted Kevin Scott Address Redacted Kevin Scott Yerian Address Redacted Kevin Simon Address Redacted Kevin Stein Estate Address Redacted Kevin Steinke Address Redacted Kevin Stevens Address Redacted Kevin Stillwell Address Redacted Kevin Talkington Address Redacted Kevin Turnbow Address Redacted Kevin W Anderson Address Redacted Kevin W Falk Address Redacted Kevin Wall Address Redacted Kevin Welnel Address Redacted Kevin Wickham Address Redacted Kevin Widner Address Redacted Kevin William Benien Address Redacted Kevin William Moultrup Address Redacted Kevin Yung Address Redacted Kevins Plumbing & Heating Inc 2600 20th Ave Se Suite 20 Minot ND 58701 Key Bank 127 Public Square Cleveland OH 44114 Key Energy Services LLC 1301 Mckinney St Suite 1800 Houston TX 77010 Key Energy Services LLC Attn: J. Marshall Dodson 1301 McKinney St Suite 1800 Houston TX 77010 Key Energy Services LLC PO Box 4649 Houston TX 77210 Keybank Na/Fbo Treasurer Of State Of Scott Macdonald Vice President 4900 Tiedeman Road Oh-01-49-310 Brooklyn OH 44144 Keybank Na/Fbo Treasurer Of State Of Ohio Scott Macdonald Vice President 4900 Tiedeman Road Oh-01-49-310 Brooklyn OH 44144 KEYBANK NATIONAL ASSOCIATION Legal Department 127 Public Square Cuyahoga County Cleveland OH 44114 Keybank National Association Raymond Hannan 4900 Tiedeman Road Oh-01-49-0240 Brooklyn OH 44144 Keyes, Mark Address Redacted Keystone O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 KEYSTONE O&G TX LP, PO BOX 916107 Fort Worth TX 76191-6107 Keystone Pump & Supply LLC PO Box 1176 Kermit TX 79745 Kfrt LLC C/O Hnb Trust PO Box 2680 Casper WY 82602 Kgh Operating Company 2812 1st Ave North Ste 408 Billings MT 59101 Khl Projects LLC PO Drawer 14668 Albuquerque NM 87191 Kick, Mitchell Address Redacted Kick, Tate Address Redacted Kidder Investments LLC 1430 Larimer Square Ste 308 Denver CO 80202 Kilen Family Suspense Address Redacted Kilroy Company, A Partnership c/o Travis Property Management, LLC Attn: Martha Rasmusson P.O. Box 56429 Houston TX 77256 Kim A Okerson Address Redacted Kim Barigar Address Redacted Kim C Aasand Cust Address Redacted Kim Collins Scola Address Redacted Kim D Peterson Address Redacted Kim Deulen Address Redacted Kim Dunn Address Redacted Kim Falkenhagen Address Redacted Kim Forrester Address Redacted Kim Hurley Estate Address Redacted Kim Hurley, Successor To Carolyn E Hurley Address Redacted Kim Isenhower Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 333 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 336 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kim Knutson Address Redacted Kim Korstedt Address Redacted Kim Kvernum Address Redacted Kim L Klose Address Redacted Kim L Spillane Address Redacted Kim Lanette Teske Address Redacted Kim M Clendenin Address Redacted Kim M Dillavou Address Redacted Kim M Kleinsmith Address Redacted Kim Marie Lackas Address Redacted Kim N & Rocky Flick Address Redacted Kim Nieuwenhuis Address Redacted Kim Schnoor Address Redacted Kim Stanford Address Redacted Kim T Parson Address Redacted Kimball Royalty LLC 2856 Canby Way Fort Collins CO 80525 Kimball Service Center 100 S Walnut Kimball NE 69145 Kimbell Art Foundation 301 Commerce St Suite 2300 Fort Worth TX 76102 Kimberlie M Leisinger Address Redacted Kimberly A & Douglas A Sterkel Address Redacted Kimberly A Bray And Thomas R Bray Address Redacted Kimberly A Dowhaniuk Address Redacted Kimberly A Latrielle Address Redacted Kimberly A Roalson Address Redacted Kimberly A Sakki Address Redacted Kimberly A Simmons Address Redacted Kimberly A Smylie Address Redacted Kimberly Abbey Parks Address Redacted Kimberly Ann Opp Johnson Address Redacted Kimberly Annette Weaver Address Redacted Kimberly B Carlson Address Redacted Kimberly C Mckee Address Redacted Kimberly D Mann Address Redacted Kimberly D Mccoun Address Redacted Kimberly Denny Address Redacted Kimberly Diane Renner Address Redacted Kimberly Faggetti Maritan Address Redacted Kimberly J Daniel Address Redacted Kimberly Jones Address Redacted Kimberly K Miles Family Trust Kimberly K Caruthers Trustee Address Redacted Kimberly K Quiroz Address Redacted Kimberly Kukowski Address Redacted Kimberly Levine Address Redacted Kimberly Lynn Lewis Address Redacted Kimberly Mccloud Baxter C/O Randy Mccloud Address Redacted Kimberly Menard Address Redacted Kimberly Murillo Address Redacted KIMBERLY NAOUMOFF Address Redacted Kimberly Querciagrossa Address Redacted Kimberly R Saltmarsh Address Redacted Kimberly Renee Gossman Address Redacted Kimberly Sims Ainsworth Address Redacted Kimberly Sorenson Address Redacted Kimble, Lucas Address Redacted Kimco Land Services Inc Address Redacted Kimes Family Partners Attn Kathryn K Gutierrez Address Redacted Kimm M Schmitt Ttee Fred C Kirschman And Doris M Kirschman Irrev Tr Address Redacted Kimmons Investigative Services 5177 Richmond Ave Ste 1190 Houston TX 77056 Kimpton Hotel Monaco Denver 1717 Champa St Denver CO 80202 Kinder Morgan Treating Lp C/O Jp Morgan Chase Bank Na Po Box 734031 Dallas TX 75373-4031 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 334 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 337 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country c/o Law Office of Patricia Williams Kinder Morgan Treating LP Prewitt Attn: Patricia Williams Prewitt 10953 Vista Lake Court Navasota TX 77868 KINDER MORGAN TREATING LP-6224 C/O JP MORGAN CHASE BANK NA PO BOX 734031 Dallas TX 75373-4031 Kindra Fehr Hultquist Address Redacted Kinetic Energy Services LLC PO Box 530 Milliken CO 80543-0530 King Completions LLC PO Box 9156 Houma LA 70361-9156

King Family Mineral Trust Pamela D Kyle Successor Ttee Address Redacted King Family Trust Dtd 09-04-13 Geralyn Monti Trustee Address Redacted King Minerals LLC Winona National Bank Agent PO Box 499 Winona MN 55987 King Minerals LLC Winona National Bank As Agent PO Box 499 Winona MN 55987 King Shale LLC PO Box 27227 Houston TX 77227 Kingdom Investments Inc Rosewood Court 2101 Cedar Springs Road Ste 600 Dallas TX 75201 Kingdom Investments Limited Rosewood Court 2101 Cedar Springs Road Suite 600 Dallas TX 75201 Kingfisher County Clerk And Recorder 101 S Main Room 3 Kingfisher OK 73750-3241 Kinnco Services LLC PO Box 219 Williamsburg MI 49690 Kinney Family Trust Dtd 12-19-16 - Richard Carl & Melody Ann Kinney - Trustees Address Redacted Kinnoin Family LLLP PO Box 506 Riverdale ND 58565 Kipton L Lowe Address Redacted Kirby D Huestis & David K Huestis Ttees Huestis Family Irrev Trust Address Redacted Kirby Kaufman Address Redacted Kirby L Dasinger Address Redacted Kirby Minerals Lc PO Box 268947 Oklahoma City OK 73126 Kirby Minerals, an OK General Partnership Kirby Materials 101 N. Robinson Ste 1000 Oklahoma City OK 73102 Kirby Sundheim Address Redacted Kirk D Martinez Address Redacted Kirk Duane Kirkegaard Profit Sharing Plan Kirk Kirkegaard Trustee Address Redacted Kirk E Norell Address Redacted Kirk Johnston Address Redacted Kirk Katzenmeyer And Darla J Katzenmeyer Jtwros Address Redacted Kirk L Erdman Address Redacted KIRK L JOHNSON Address Redacted Kirk Malkowski Address Redacted Kirk Mendenhall Address Redacted Kirk Nestaval Address Redacted Kirk O Mendenhall Trust Dtd 2-2-16 Katherine Trojahn - Trustee Address Redacted Kirk Z & Gwen L Nestaval Revoc Trust Dtd 7-22-13 - Kirk Z & Gwen L Nestaval - Trustees Address Redacted Kirk, Jason Address Redacted KIRKLAND & ELLIS 609 MAIN STREET Houston TX 77002 Kirkland & Ellis LLP Attn: Whitney Fogelberg 300 North LaSalle Chicago IL 60654 Kirkwood Oil & Gas LLC PO Box 2850 Casper WY 82602 Kirsten & Lester Egedi Address Redacted Kirsten Anvik Address Redacted Kirsten Crocker Address Redacted Kirsten Horan Address Redacted Kirsten K Hall & Christopher W Hall Joint Tenants Address Redacted Kirsten Marie Tufte Address Redacted Kirstin D Hall And Richard L Hall Jtwros Address Redacted Kirstin N Anastasia Address Redacted Kirt Alan Kummer Address Redacted Kirven Family Mineral Trust Timothy J Kirven Dennis Kirven Thomas Kirven Suctrees Address Redacted Kisten Marie Homelvig Address Redacted Kit C Behringer Address Redacted Kitchel Estate Exempt Trust Fbo Ward N Adkins Jr Address Redacted Kittleson Family Partnership Address Redacted Kitty J Songer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 335 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 338 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kitty Johnson Address Redacted Kitzman, Stacy Address Redacted Kj Carpenter Address Redacted Kj Services LLC 4095 111 F Ave Sw Dickinson ND 58601 Kjbk Kallevig Family Ltd Partnership 210 7th Ave Sw Sidney MT 59270 KJERSTI EIDE Address Redacted Kjersti Eide Address Redacted Kjersti Ray Eide Address Redacted KJK Trucking, LLC 56974 824 RD Clarkson NE 68629 KJK TRUCKING, LLC C/O Anthony J. Alford 1217 Museum DR Houma LA 70360 Kjorstad Family Minerals LLC 43 Muleshoe Road Pinedale WY 82941 Kkrep LLC PO Box 551 St John IN 46373 KKREP LLC PO BOX 551 St John IN 46373 Klabzuba Oil & Gas PO Box 679016 Dallas TX 75267 Klaus & Sherl Geithner JT TEN K. & S. Geithner 495 Carriage Drive Atlanta GA 30328 Kleason Leroy Long Fish A Minor Address Redacted Kleen-Tech Services Corp 7100 N Broadway Ste 6-L Denver CO 80221 Klein, Allen Address Redacted Klein, Jack Address Redacted Klein, Kary Address Redacted Klein, Ryan Address Redacted KLEINFELDER 1801 CALIFORNIA ST SUITE 1100 Denver CO 80202 Kleinfelder Address Redacted KLEINFELDER PO BOX 51958 Los Angeles CA 90051-6258 Kleinfelder - Colorado Department Of Public Health - Prepping For Ei 1801 California St Suite #1100 Denver CO 80202 Kleinfelder, Inc. Address Redacted Kleinfelder, Inc. Attn: Legal 550 West C Street, Suite 1200 San Diego CA 92101 Kleinfelder, Inc. c/o Dorsey & Whitney LLP Attn: Matthew Olson 305 Lytton Avenue Palo Alto CA 94301 KLEINFELDER, INC. PO BOX 51958 Los Angeles CA 90051-6258 Kleinschmidt, M Address Redacted Kline Exploration Co 3110 Main Street, Bld C Santa Monica CA 90405 Klinkenberg Family Trust James Marion Klinkenberg And Edith Laurelle Co Trustees Address Redacted Klint Penn & Brandy Tift Penn Address Redacted Klinzmann Welding LLC 14798 Hwy 14 Sterling CO 80751 Klipping Family Trust Gayle C Klipping, Trustee Address Redacted Klj 2016 Trust Dtd 12-17-16 Andrew Kinney - Trustee Address Redacted Kloberdanz, Troy Address Redacted Klose Family Mineral Trust Dated 02/22/11 Vernon A & Karen J Klose Ttees Address Redacted Klose Family Mineral Trust Dated 04/11/06 Vernon Klose & Laura Caldwell Trustees Address Redacted Klose Farms Inc 3032 160th Ave Nw Fairview MT 59221 Klx Energy Services LLC 28099 Expedite Way Chicago IL 60695-0001 Klx Energy Services LLC 28099 Network Place Chicago IL 60673-1280 2525 Ponce de Leon, 9th KLX Energy Services LLC c/o Kozyak Tropin & Throckmorton Attn: Bernice Lee floor Miami FL 33134 KLX Energy Services LLC Robert Brunsman 1300 Corporate Center Way Wellington FL 33414 Kmbc Lakeside Investments LLC 21468 Lakefront Dr Lago Vista TX 78645 Kml Inc 121 8th St West Williston ND 58801 KML INC 121 8TH STREET WEST Williston ND 58801 Knapp Family LP PO Box 786 Sidney MT 59270 KNAPP OIL PO BOX 786 Sidney MT 59270 Knapp Oil Corp PO Box 786 Sidney MT 59270 KNAPP OIL CORP PO BOX 786 Sidney MT 59270 KNAPP OIL CORPORATION PO BOX 786 Sidney MT 59270 Knappoil Corp PO Box 786 Sidney MT 59270 Knebel Family Holdings LLC First Financial Trust & Asset Management Company Na Agent PO Box 701 Abiline TX 79604 Knf Neuberger Inc PO Box 21045 New York NY 10087-1045 Kng Central LLC PO Box 818 Hays KS 67601 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 336 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 339 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Knickerbocker Ranch I L P Address Redacted Knife River Township 8855 46th St Nw New Town ND 58763 Knigge, Steven Address Redacted Knight Oil Tools LLC PO Box 52688 Lafayette LA 70505-2688 Knight Oil Tools LLC Rental Tool Services Po Box 52688 Lafayette LA 70505-2688 Knighten Machine & Service Inc PO Box 12587 Odessa TX 79768 Knights Of Columbus 1303 126th Ave Sw Fairfield ND 58627-9407 Knox Oil Field Supply 22510 Network Place Chicago IL 606732-1225 Knudsen, Tate Address Redacted Knudtson Family Trust David Knudtson Trustee Address Redacted American State Bank & Trust Knut Berg Ultw Trustee PO Box 1446 223 Main Street Williston ND 58802 Knut Berg Ultw American State Bank & Trust Trustee Address Redacted Knut Ulvestad Address Redacted Knute Landreth Address Redacted Knutson Family Revocable Trust Rebecca R & Rodney M Knutson - Co-Trustees Address Redacted KOCH EXPLORATION PO BOX 2219 Wichita KS 67201 KOCH EXPLORATION CO. C/O KOCH INDUSTRIES, INC. 4111 E 37th St N Wichita KS 67220-3203 Koch Exploration Company Wichita KS 67201-2219 Koch Exploration Company LLC PO Box 2219 Wichita KS 67201

KOCH INDUSTRIES INC. ATTN: J.C. MCMAHON 111 WEST OCEAN BOULEVARD SUITE 1125 Long Beach CA 90802 Koch, Brian Address Redacted Kocourek, David Address Redacted Kodiak Exploration Inc 4057 Field Dr Wheat Ridge CO 80033 KODIAK OIL & GAS (USA) INC. ATTN: CATHLEEN M. OSBORN 1625 BROADWAY SUITE 250 Denver CO 80202 Kody Devlin Address Redacted Koehler, Nathan Address Redacted Koenig, Donald Address Redacted Kohler Communications Inc 1429 Main South Dickinson ND 58601 Kohler Communications Of Williston Inc 14012 West Front Street Williston ND 58801-8809 Kohler, Michael Address Redacted Kolbjorn Minerals LLC PO Box 611 New Town ND 58763 Kolene A Calverley Address Redacted Kolleen C Malicki Address Redacted Konecranes Inc 4401 Gateway Blvd Springfield OH 45502 Konecranes Inc PO Box 644994 Pittsburgh PA 15264-4994 Kong, Deborah Address Redacted Koon Hang Chan Address Redacted Kootenai Resource Corp 300 Whitefish Hills Dr Whitefish MT 59937 KOOTENAI RESOURCE CORP 300 WHITEFISH HILLS DR Whitefish MT 59937 Kopp, James Address Redacted Kopper Frick & Aaron Frick Address Redacted Korenchen Family Trust Kathleen Ostgulen - Trustee Address Redacted Korey R Blumberg Address Redacted Kori Erikson Address Redacted Korral Supply Inc 20501 72nd St Sw Douglas ND 58735 Korslien, Rex Address Redacted Kory Bjorgen Address Redacted Kory Hofer Address Redacted Koster, Eric Address Redacted Kotana Communications Inc 1819 1st Avenue West Williston ND 58801 Kothe, Bradd Address Redacted Kovash, Kelsey Address Redacted Kpc01-11 LLC 100 N Broadway #2460 Oklahoma City OK 73102 Kphr Mineral Co 538 1st St West Dickinson ND 58601 Kpj Mathistad LLC 621 16th St Nw Minot ND 58703 KPMG 1225 17TH STREET, STE 800 Denver CO 80202 KPMG DEPT 0754 PO BOX 120754 Dallas TX 75312-0754 Kpmg LLP Dept 0754 Po Box 120754 Dallas TX 75312-0754 Kpmg LLP T4348 Po Box 4348 Station A Toronto ON M5W 7A6 Canada In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 337 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 340 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kraft Family Mineral Partnrshp PO Box 510 Bridger MT 59014 Kraft Petroleum Services Inc PO Box 156 Casper WY 82602 Kraken 9805 Katy Freeway Ste 360 Houston TX 77024 Kraken Oil & Gas Ii LLC 9805 Katy Freeway Ste 360 Houston TX 77024 KRAKEN OIL & GAS II LLC 9805 KATY FREEWAY STE 360 Houston TX 77024 Kraken Oil & Gas Iii LLC 9805 Katy Freeway Ste 360 Houston TX 77024 KRAKEN OIL AND GAS II LLC 9805 KATY FREEWAY STE 360 Houston TX 77024 KRAKEN OIL AND GAS II LLC ATTN: BRUCE LARSEN 9805 KATY FREEWAY SUITE 300 Houston TX 77024 KRAKEN OIL AND GAS III LLC ATTN: BRUCE LARSEN 9805 KATY FREEWAY SUITE 300 Houston TX 77024 KRAKEN OIL AND GAS LLC ATTN: BRUCE LARSEN 9805 KATY FREEWAY SUITE 300 Houston TX 77024 Kraken Royalty LLC 9821 Katy Freeway Suite 460 Houston TX 77024 Kranker, Steven Address Redacted Krantz, Brian Address Redacted Kreckman, Dominick Address Redacted Kreuter, Janine Address Redacted KRH 3390 WHITEFISH STAGE Kalispell MT 59901 Krh Inc PO Box 1616 Kalispell MT 59903 Krieger, Connie Address Redacted Kringen Family LLLP Sharon Kringen Owner 917 14th St Se Sidney MT 59270 Kringen Oil LLC 8540 East Mcdowell Rd Unit 59 Mesa AZ 85207 Kris Campbell Address Redacted Kris Erickson Address Redacted Kris Strobeck LLC 1930 Village Center Cir Ste 3 Las Vegas NV 89134 Kris Terry & Associates Inc 3232 Villanova St Dallas TX 75225 Krista Lee Cullen Address Redacted Krista Mathistad Address Redacted Kristal Marie Freeman Address Redacted Kriste Jo Maitland Address Redacted Kristen Blumberg Address Redacted Kristen K Locken Address Redacted KRISTEN KORTE-EVENS IRA TD AMERITRADE INC CUSTODIAN Address Redacted Kristen Lewis Leath Address Redacted Kristen N Lund Address Redacted Kristen Srey Address Redacted Kristi Anseth Address Redacted Kristi Bonifacio Address Redacted Kristi Bowman Address Redacted Kristi Kimble Address Redacted Kristi Mcneese Address Redacted Kristi Paige Craig-Nightengale Address Redacted Kristie M Dutchak Address Redacted Kristie Mansfield Address Redacted Kristie Norman Address Redacted Kristie Seidler Address Redacted Kristin A Collings Address Redacted Kristin D Brittan Address Redacted Kristin E Joseph Address Redacted Kristin Hinkle Coomes Address Redacted Kristin K Skorczewski Address Redacted Kristin L Sitzman Address Redacted Kristin M Adams Address Redacted Kristin M Powers Life Estate Dean Jacobson Aif Address Redacted Kristin Marie Powers Trustee Of Dean A Jacobson Resid Trst Address Redacted Kristin Mitchel Address Redacted Kristin Olson Address Redacted Kristin Schiller Address Redacted Kristin Wall Address Redacted Kristina Beth Batalden Address Redacted Kristina Consulting Group LLC PO Box 2853 Evergreen CO 80437-2853 Kristina N Adcock Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 338 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 341 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kristine A Wolf Address Redacted Kristine Baxter And Thomas G Baxter Jtwros Address Redacted Kristine C Coughlin Address Redacted KRISTINE D GRIGSBY & Address Redacted Kristine D Grigsby & Kathleen L Herendeen Ttees Bette L Knabe Residuary Trust Address Redacted Kristine G Matheson Aka Kristine Gail Matheson Address Redacted Kristine Hastings & Kevin Kuntz Address Redacted Kristine Kandoll Address Redacted Kristine L Wennerstrom Address Redacted Kristine Lund Family Minl Trst Iver Lund & Marvel Molm, Ttees Address Redacted Kristine M Lemieux Address Redacted Kristine M Nystuen Address Redacted Kristine M Strobeck Address Redacted Kristine R Stewart Address Redacted Kristine Stephens Address Redacted Kristoffer J Land Address Redacted Kristopher J Stephens Address Redacted Kristy A Donaldson Address Redacted Kristy B Johnson Address Redacted Kristy Faulkner Connor Address Redacted Kristy I Rankin Address Redacted Kristy Kay Martin Address Redacted Kristy Ladawn Huschka Address Redacted Kristy Mccloud Baca Address Redacted Kristy Willard Address Redacted Kristy Zoe Powell Address Redacted Krk Holdings LLP 3906 University Ave Williston ND 58801 Krk Resources LLC 811 5th St Se Sidney MT 59270

Krogen Family Minerals LLC Theodore Krogen - Member 20694 Abe Court Sturgis SD 57785 Krogh Oil Trust Dtd 1-18-17 C/O Steve L Butts 155 S Lake St Forest Lake MN 55025 Krogh, Kyle Address Redacted Kroll Ontrack Address Redacted Kronberg, Trevor Address Redacted Krown Energy Group LLC 500 2nd Ave Nw Po Box 2924 Watford City ND 58854-1749 Krp Bakken I LLC 777 Taylor St Ste 810 Ft Worth TX 76102 Krp Production Inc 3408 21st St Se Minot ND 58701 Krueger, Kenneth Address Redacted Kruljac, Joseph Address Redacted Kruse, Derek Address Redacted Krush Famil Min Tr Dtd 4-28-15 Valerie Aluise, Ronald Krush, Julie Schaper, Co-Trustees Address Redacted Krystal Davies Address Redacted Ks Secretary Of States Office 120 SW 10th Avenue 1St Floor Topeka KS 66612-1594 Kt Energy Inc PO Box 727 Spearfish SD 57783 Kt Enterprises LLC PO Box 581 Watford City ND 58854 Kt Exploration & Prod LLC 1209 11Th St Sw Watford City ND 58854 Kt Supply LLC 307 S 4th Ave Mills WY 82604 Ktk Joint Venture C/O Klabzuba Oil & Gas PO Box 679016 Dallas TX 75267 Kubas Family Mineral Trust 29321 Wayne Kubas, Trustee Address Redacted Kucera, Anthony Address Redacted Kuck, Cole Address Redacted Kudzelich, Kseniya Address Redacted 300 CONCOURSE BLVD SUITE KUDZU OIL PROPERTIES LLC ATTN: WIRT YERGER 101 Ridgeland MS 39157 Kudzu Oil Properties LLC Attn: Wirt Yerger 300 Concourse Blvd Suite 101 Ridgeland MS 39157 Kuhn Oil Co Inc PO Box 129 Timber Lake SD 57656 Kuhn, Gina Address Redacted Kukla, Jordan Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 339 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 342 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kulluk Family Trust Dated August 30, 2004 - John D And Carol J Kulluk - Trustees Address Redacted Kulmann, Janifer Address Redacted Kuntz Mineral Trst Dtd 12-6-82 Wayne Kuntz & Randolph Kuntz, Trustees Address Redacted Kuntz Rv & Auto Repair 1154 1st Ave Se Dickinson ND 58601 Kuntz Sandblasting & Painting Address Redacted Kuntz, Corey Address Redacted Kuntz, Jay Address Redacted Kureha Energy Solutions LLC 3151 Briarpark Dr Ste 1050 Houston TX 77042 Kurita America Inc. d/b/a U.S. Water Services, Inc. Stephanie Reed 12270 43rd Street NE Saint Michael MN 55376 Kurita America Inc. d/b/a U.S. Water Services, Inc. U.S. Water Services, Inc. 12270 43rd Street NE Saint Michael MN 55376 Kurt & Barbara Fixen Address Redacted Kurt & Sheila Johnson Asset Protection Trust Address Redacted Kurt & Sheila Johnson Asset Protection Trust Sheila Johnson-Trustees Address Redacted Kurt And Sheila Johnson Asset Protection Kurt A & Sheila R Johnson Ttee Address Redacted Kurt Bjorgen Address Redacted Kurt Erdman Address Redacted Kurt Flaten Address Redacted Kurt Hunsberger Address Redacted Kurt Hurley Address Redacted Kurt Kordonowy Address Redacted Kurt L Fox Address Redacted Kurt L Klingman Address Redacted Kurt Mengel Address Redacted Kurt R. Quanbeck Address Redacted Kurt Richins Address Redacted Kurt Ridl Address Redacted Kurt Stoner Address Redacted Kurt Sundsrud Address Redacted Kurt T Mikel Address Redacted Kurt Tostenson Address Redacted Kurtis J Madsen Trust Loma A Vander Houwen & Boyd Vander Houwen - Co-Trustees Address Redacted Kurtis W Kinden Address Redacted Kuster Company 2900 East 29th Street Long Beach CA 90806 Kuvo Public Radio 1089 Bannock St Denver CO 80204 Kwok Yan Chun Issac Address Redacted Kyle Baker Address Redacted Kyle C Hegge Address Redacted Kyle C Hunt Address Redacted Kyle Choate Trust Kyle W Choate - Trustee Address Redacted Kyle D Johnson Address Redacted Kyle D Minkler Address Redacted Kyle E Hart Fabyanske, Westra, Hart & Thomson, Pa Address Redacted Kyle Edward Canzian Address Redacted Kyle J Grogan Address Redacted Kyle J Waggoner Address Redacted Kyle James Koppinger Address Redacted Kyle Knutson Address Redacted Kyle L Gunderson Address Redacted Kyle L. Descheemaeker Address Redacted Kyle Leroy Haustveit Address Redacted Kyle M Anderson Address Redacted Kyle Markestad Address Redacted Kyle Mazanti Address Redacted Kyle R Kramp Address Redacted Kyle R Miller Address Redacted Kyle Tompkins Address Redacted Kyle Tostenson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 340 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 343 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Kyle Williams LLC 2000 Westwind Drive Midland TX 79707 Kylee Klaudt Address Redacted Kyllo, Jaecob Address Redacted Kyte Mineral Properties LLC PO Box 5006 Bismarck ND 58502 L & K Electric PO Box 670367 Dallas TX 75267-0367 L & L Oilfield Servicesinc PO Box 246 Kaycee WY 82639 L & R Exploration Venture C/O Grynberg Petroleum Co 3773 E Cherry Creek North Dr Ste 775 Denver CO 80209-3833 L & S Trucking Inc PO Box 1260 Vernal UT 84078 L & W Ventures LLC PO Box 850 Parker CO 80134 L & W Ventures LLC PO Box 850 Parker CO 80138 L A Adams Jr Address Redacted L A Mcpeek & Company 24758 Foothills Drive North Golden CO 80401 L A Wick Ii Address Redacted L C Winterton Trust Regions Bk Trust Nrre Ops PO Box 11566 Birmingham AL 35202 L Clark & Nancy J Kiser Dba Kiser Consulting Services 1291 Liberty Point Blvd Pueblo West CO 81007 L D Davis Address Redacted L D Davis & Marilyn Davis Address Redacted L D Davis Estate Marilyn M Davs - Pr Address Redacted L Dale & Virginia L Taylor Address Redacted L E Newlon Address Redacted L H And Marlyn J Redman Address Redacted L J Gehrmann Address Redacted L J SCHWARTZ TRUST Address Redacted L Jean Hagen Address Redacted L Jean Viall Address Redacted L Kay Biladeau LLC L Kay Biladeau Sole Mbr Cory Biladeau Poa 96 Virginia St St Paul MN 55102 L Kock Address Redacted L L Baytoevans Love Address Redacted L Lynn Obrien Address Redacted L M Harcom Address Redacted L Mardell Ostenson Address Redacted L Maurice Collins Address Redacted L R Baird Address Redacted L S & M H Meisenbach co-ttee Meisenbach LV/tst dtd 3/23/93 Address Redacted L S Adams Testamentary Trust F/B/O Annie Palm Address Redacted L T Capital LLC PO Box 80735 Phoenix AZ 85060 L T CAPITAL LLC PO BOX 80735 Phoenix AZ 85060 L&N Flatland Mineral LLC PO Box 1247 Watford City ND 58854 L.Lavon White Living Trust L.Lavon White Trustee Address Redacted L.W. Crockett Revocable Trust C/O David L Crockett Address Redacted La Fever Mineral Partnership Neal La Fever General Partner 4448 Palisades Park Dr Billings MT 59106 La Petroleum Inc PO Box 456 Howey In The Hills FL 34737 LA PETROLEUM INC PO BOX 456 Howey In The Hills FL 34737 LA Secretary Of States Office 8585 Archives Ave. Baton Rouge LA 70809 LA Secretary Of States Office Commercial Division P.O. Box 94125 Baton Rouge LA 70804 La Vida Energy Corp Defined Benefit Plan C/O Kenneth C Dickeson Ttee 3325 Caldera Blvd Midland TX 79707 La Von Howell 35639 Riverside Dr SW Albany OR 97321-9403 Laboratory Services 2609 W Marland Hobbs NM 88240 Laborico, Rochelle Address Redacted Labrador One Oil & Gas Inc PO Box 899 Denver CO 80201-0899 LABRADOR ONE OIL & GAS INC PO BOX 899 Denver CO 80201-0899 Labrant Land LP 3901 T St Sacramento CA 95819 Labrea Michelle Bean Address Redacted Labudie, Timothy Address Redacted Lacey Mineral & Royalty Gp 4111 85th Ave Nw New Town ND 58763 Laclair, Catherine Address Redacted LACT SERVICE COMPANY-8592 3521 INDUSTRIAL DR Hobbs NM 88240 Lacy Linton Reed 11803 Mill Pond San Antonio TX 78230 Lacy Operations, Ltd PO Box 2146 Longview TX 75606 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 341 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 344 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lacy Wiley Address Redacted Lacye Thatcher Address Redacted Ladel Evoniuk C/O Thomas Schaff Address Redacted Ladelle A Reynolds Address Redacted Ladonna Christopherson C/O Jo Marie Holm Address Redacted Ladonna Herring Address Redacted Ladonna Kobes Address Redacted Ladonna Lee Asw Address Redacted Ladonna M Jurgensen Address Redacted Ladonna Smith Address Redacted Laef N Steen Address Redacted Lafaye C Jackson Address Redacted Lafern M Puls Estate Wells Fargo Bank - Ind Exe Oil, Gas & Mineral Admin PO Box 41779 Austin TX 78704 Lafern Mcelroy Puls Address Redacted Lafon Royalties LLC 1475 Ward Cr Franktown CO 80116 Lagasse, Holly Address Redacted Lagi LLC 2314 Bonnevue Square Billings MT 59102 Lagniappe Petroleum LLC 503 Newberry Dr Allen TX 75013 LAGNIAPPE PETROLEUM LLC 503 NEWBERRY DR Allen TX 75013 Laguna Royalty Ltd PO Box 16239 Fort Worth TX 76162 Lahtinen Family LLLP 3930 88th Ave Nw PO Box 474 New Town ND 58763 Lai X Lamont And Christine Lamont Address Redacted Laird Blomquist 67 Stratford Dr Severna Park MD 21146 Laird Sanitation LLC 224 Greybull Ave Greybull WY 82426 Laj Corporation PO Box 10626 Midland TX 79702-7626 Laj Corporation PO Box 10626 Midland TX 79702 LAKE COMO PROPERTIES 244 EAST CENTER STREET Canton MS 39046 Lake Como Properties LLC 244 East Center Street Canton MS 39046 LAKE COMO PROPERTIES LLC 244 EAST CENTER STREET Canton MS 39046 Lake Energy Development LLC PO Box 2353 Williston ND 58802-2353 LAKE ENERGY DEVELOPMENT LLC PO BOX 2353 Williston ND 58802-2353 Lake Investment & Prod Co Ltd PO Box 2134 Austin TX 78768-2134 LAKE INVESTMENT & PROD CO LTD PO BOX 2134 Austin TX 78768-2134 Lake View Services LLC 5801 Lake Shore Est Lot 3D Beulah ND 58523 8400 EAST PRENTICE AVE, SUITE LAKESHORE TALENT 1401 Greenwood Village CO 80111 Lakewind LLC PO Box 1765 Enid OK 73702 Lakota Resources Inc 500 N Capital Of Tx Hwy Bldg 4-100 Austin TX 78746 Lakyn Boe Address Redacted Lamb County Electric Coop Inc 2415 South Phelps Littlefield TX 79339-5699 Lamb Family Living Trust Dtd 1-31-11 Address Redacted

Lambert Family Trust David And Gayle Lambert, Trustees Address Redacted Lambert Obrigewitch Address Redacted Lambert, Steven Address Redacted Lambert, William Address Redacted Lambrecht Welding Service Inc PO Box 1214 Sterling CO 80751-1214 Lambrecht, Terry Address Redacted Lana Atchison Drake Address Redacted Lana Conklin Address Redacted

Lana Conklin and Crystal Henzi, as Trustees of the Ruth Attn: Jay M. Ross & Monique D. Parker Wood Revocable Trust dated July 27, 1994 c/o Hopkins & Carley Jewett-Brewster The Letitia Building 70 S First Street San Jose CA 95113-2406 Lana F Jorgenson Address Redacted Lana Hileman Address Redacted Lana J Zaino Address Redacted Lana K Halverson Address Redacted Lana K Hart Address Redacted

Lana L Hoving Loranger & George A Loranger Life Estate Address Redacted Lana R Anker Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 342 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 345 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lana Stoner Address Redacted Lana Zigan Address Redacted Lanae Solberg Address Redacted Lanaya T Sparks Address Redacted Lance Bruins Address Redacted Lance C Taylor Address Redacted Lance Darwin Address Redacted Lance Darwin c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Lance Grabow Address Redacted Lance H Olson Address Redacted Lance Hagen Address Redacted Lance Hudiburgh Address Redacted Lance Jerry Waller Address Redacted Lance L Anderson Address Redacted Lance L Landers Address Redacted Lance O Glasoe Address Redacted Land Surveying Incorporated 209 N Works Ave Gillette WY 82716 Landa D Austin Address Redacted Landauer Inc PO Box 809051 Chicago IL 60680-9051 C/O Michael Sanders, Registered Landcom Services, Inc. Agent 20333 State Highway 29 Suite 600 Houston TX 77070 Lander Legacy Co LLC 312 Mapleton Ave Boulder CO 80304 Lander-Mondry Family LLC 16366 Skyliners Rd Bend OR 97701 Landis Dee Kannberg & Margaret Ann Kannberg Rev Tr Landis & Margaret Kannberg-Trs Address Redacted LANDMARK GRAPHICS CORPORATION 3000 N SAM HOUSTON PKWY E Houston TX 77032 Landmark Graphics Corporation PO Box 301341 Dallas TX 75303-1341 Landmark Industrial Inc 79 North Franklin Turnpike, Ste Ll-C Ramsey NJ 7446 Landmark Oil & Gas LLC PO Box 1881 Dickinson ND 58602-1881 Landon James Van Way Address Redacted Landowners Royalty Company Manden ND Landro, Garett Address Redacted Landry, Danielle Address Redacted Landstalker LLC 928 Broadwater Avenue Suite D Billings MT 59101 Landtech Enterprises LLC Nuverra Enviromental Solutions Po Box 912620 Denver CO 80291-2620 Landtech Enterprises, LLC PO Box 1369 Minot ND 58702 Landtech Enterprises, LLC Badlands Power Fuels, LLC Attn: Legal Department 6720 N. Scottsdale Road Suite 190 Scottsdale AZ 85253 NUVERRA ENVIROMENTAL LANDTECH ENTERPRISES, LLC-356 SOLUTIONS PO BOX 912620 Denver CO 80291-2620 Landyn G Johnson Address Redacted Lane D Van Weerdhuizen Address Redacted Lane F Boyce Address Redacted Lane, James Address Redacted Lanell Olson Gst Exemption Residuary Trust Address Redacted Lanelle Shafer Schoonmaker Address Redacted Lanette Ann Karst Young Address Redacted Lanette Lushenko Address Redacted Lang Family Trust Dtd 9-1-11 Address Redacted Langdon G Williams Address Redacted Langdon G Williams Trstee Address Redacted Lanita Arlene Cochran Garner Address Redacted Lanita C Williamson Address Redacted LANNIE FLADELAND Address Redacted Lanny G Ice Address Redacted Lanny G. Ice, Jr. Address Redacted Lanny Marlenee C/O Chartered Bank Of London 1145 San Marino Drive San Marcos CA 92069 Lao Buddhist Temple Of Denver 10685 Dover St Westminster CO 80021 LAO ENERGY 8731 ABERDEEN CIRCLE Highlands Ranch CO 80130 Lao Energy LLC 8731 Aberdeen Circle Highlands Ranch CO 80130 LAO ENERGY LLC 8731 ABERDEEN CIRCLE Highlands Ranch CO 80130 Larae Crowley Address Redacted Larae Day Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 343 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 346 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Larae Mckee Address Redacted Larae P Kramer Address Redacted Laramide Geosciences LLC 7114 W Jefferson Ave Ste 311 Lakewood CO 80235 Laramie Energy LLC 1401 17Th St Ste 1400 Denver CO 80202 Laraye D Austinson Address Redacted Larch Tree Irrevocable Trust Kristen Sluiter - Trustee Address Redacted LARCO RESOURCES PO BOX 821 Bismarck ND 58502 Larco Resources LLC PO Box 821 Bismarck ND 58502 LARCO RESOURCES LLC PO BOX 821 Bismarck ND 58502 LARCO RESOURCES, LLC PO BOX 821 Bismarck ND 58502 Lardyn Consulting LLC 2561 S 125th Ave Omaha NE 68144-2719 Lardyn Consulting LLC Farmers State Bank -Bridgeport 823 Main St Po Box 220 Bridgeport NE 69336 Laren F Stuessy Address Redacted LARIO O&G 301 S MARKET ST Wichita KS 67202 Lario Oil & Gas Co 301 S Market St Wichita KS 67202 LARIO OIL & GAS CO 301 S MARKET ST Wichita KS 67202 Lario Oil & Gas Company 301 S Market S Wichita KS 67202 Larkin Bailey Address Redacted Laroque Trust David Laroque Trustee Address Redacted Laroy Baird Iii Address Redacted Larrie D & Karen E Smith Fam Mineral Trust Karen E Smith - Trustee Address Redacted Larry & Diana Bean Life Estate Joint Tenants Address Redacted Larry & Fay Anne Moberg J/T Address Redacted

Larry & Hyacinth Kostelecky Tr Hyacinth Kostelecky Trtee Address Redacted Larry & Joan Barstad Address Redacted Larry & Karen L Gehring Life Tnts Rmdr Mikel Ystaas, Melissa Baasch & Address Redacted Larry & Karen Phillippi Address Redacted Larry & Paula Nelson Address Redacted Larry A & Esther A Redmond Liv Tr Dated 02/05/10 Address Redacted Larry A Brown Address Redacted Larry A Carell And Company Address Redacted Larry A Erickson Address Redacted Larry Albert Pacific Jr And Jeannene T Pacific Address Redacted Larry And Linda Marmon Address Redacted Larry And Sandra Snyder Joint Tenants Address Redacted Larry Arndt Address Redacted Larry Batson Address Redacted Larry Beal Address Redacted Larry Bergandine Address Redacted Larry Bessel Address Redacted Larry Bos Address Redacted Larry Brennan Broyles Address Redacted Larry Burcham And Patricia Burcham Address Redacted Larry C Dietz Address Redacted Larry Calvert Stair Address Redacted Larry Con Simonsen Address Redacted Larry D Erickson Address Redacted Larry D Falk Address Redacted Larry D Grosulak Address Redacted Larry D Grove Address Redacted Larry D Howell Address Redacted Larry D Johnston Address Redacted Larry D Lee Address Redacted Larry D Mcconnell Address Redacted Larry D Nielson Address Redacted Larry D Sanderson Address Redacted Larry D Thorbjornson Address Redacted Larry D Wilson Address Redacted Larry D. Lewis Sr. Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 344 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 347 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Larry Danielson Address Redacted Larry Dean Larson Address Redacted Larry Dean Schultz Address Redacted Larry Denowh Address Redacted Larry Dore Address Redacted Larry Duane Wilson Address Redacted Larry E & Karen D Denowh Address Redacted Larry E Babbitt Address Redacted Larry E Bean Address Redacted Larry E Fleming Address Redacted Larry E Oja Address Redacted Larry E Sande Address Redacted Larry E Voss Address Redacted Larry Eugene Stedman Address Redacted Larry Evans &Barbara Kauffmann Tenants In Common Address Redacted Larry Faulkner & Darlene Faulkner Address Redacted Larry Frederickson Address Redacted Larry G & Linda M Martinson Joint Tenants Address Redacted Larry G Davis & Nancy C Davis JT Ten Address Redacted Larry G Dutchuk & Terri D Dutchuk Address Redacted Larry G Halvorson Address Redacted Larry G Halvorson Separate Property Trust Dtd 1-26-16 Larry Halvorson - Trustee Address Redacted Larry G Hartman Address Redacted Larry G Martinson Address Redacted Larry G Rogness Address Redacted Larry G Solberg Address Redacted Larry G Trowbridge Address Redacted Larry Geyerman Address Redacted Larry Goebel Address Redacted Larry H And Myrna Nelson Address Redacted Larry H Nelson Address Redacted Larry Hadley Address Redacted Larry Hassebrock Address Redacted Larry Hobson Address Redacted Larry Houchen C/O Larrys Bootfitting Address Redacted Larry I Barstad Address Redacted Larry I Bieber Revocable Trust Larry I Bieber Trustee Address Redacted Larry J Cymbaluk Address Redacted Larry J Dietz Address Redacted Larry J Fagg Address Redacted Larry J Geltel Address Redacted Larry J Gregory & Linda K Gregory Address Redacted Larry J Haug & Dorinne Haug Jts Address Redacted Larry J Holbach Address Redacted Larry J Kersten Address Redacted Larry J Stockert Address Redacted Larry J Tveit Address Redacted Larry J. Edgel Address Redacted Larry James Farr Jr Address Redacted Larry John Holbach Revocable Living Trust Dtd 11-15-17 Larry J Holbach - Trustee Address Redacted Larry Johnson Address Redacted Larry K Vachal & Phyllis J Vachal Ttees Of The Larry K & Phyllis J Vachal Trust Address Redacted Larry Knels Address Redacted Larry Kraft Address Redacted LARRY L BRUBAKER Address Redacted Larry L Heiser & Olga E Heiser Address Redacted Larry L Watterson Address Redacted Larry Lee Syring Address Redacted Larry Leonard Fernandes Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 345 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 348 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Larry Leroy Sondrol Estate Arden Sanford - Pr Address Redacted Larry Locke Address Redacted Larry M Dahl Address Redacted Larry M Nelson And Paula M Nelson As Joint Tenants Address Redacted Larry Mcrae Cochran Address Redacted Larry N Johnson & Ruth H Johnson Address Redacted Larry N Wiebe Address Redacted Larry Nygaard And Valerie Nygaard Address Redacted Larry Phillip Aljets Address Redacted Larry Putnam Address Redacted Larry R Gaston Address Redacted Larry R Richter Address Redacted Larry R W Danielson Rev Trust Dtd 10-4-2008 Larry R W Danielson, Trustee Address Redacted Larry Raan Address Redacted Larry Rasmussen Address Redacted Larry Ridl Address Redacted Larry Ridl & Betty Jo Ridl, Jnt Tnts Address Redacted Larry S Glazer Address Redacted Larry S Lindley Address Redacted Larry Seber Address Redacted Larry Sondrol Address Redacted Larry T Iverson Address Redacted Larry T Long Trustee For The Long Properties Trust Address Redacted Larry Thorson Address Redacted Larry Tveit And Cheryl Tveit Joint Tenants With Life Estate Address Redacted Larry W & Joanne Kadrmas Le Address Redacted Larry W Crain, Individually Address Redacted Larry W Huus C/O Lowell A Breiland Address Redacted Larry W Kadrmas & Joan Kadrmas Address Redacted Larry W Olson Address Redacted Larry W Schnell Address Redacted Larry W Stenslie Address Redacted Larry W Toedtli Address Redacted Larry Walla Address Redacted Larry Willadson Address Redacted Larry Zimmiond Address Redacted Lars J Borg Address Redacted Larsen Measurement Inc Address Redacted Larsen Service Drug Inc Address Redacted Larsen, Ronald Address Redacted Larson Energy LLC Address Redacted Larson Hotshot Service Inc Address Redacted Larson Petroleum LLC Address Redacted Larson Resources LLP Address Redacted Larson, Kenneth Address Redacted Larson, Scott Address Redacted Larson, Thor Address Redacted Larsonhotshot Service Inc Attn: Robert Larson 94 Western St PO Box 1341 Evansville WY 82636 Larue C Evans Address Redacted Las Colinas Minerals LP P O Box 14230 Odessa TX 79768 Las Mariposas Family LP C/O Cynthia Barberio Payne Address Redacted Lasca Inc PO Box 470425 Fort Worth TX 76147 Lashley Spraying LLC PO Box 186 Trenton NE 69044 LaShona Mosby Address Redacted Lassey Minerals LLC PO Box 27 Cartwright ND 58838 LASSEY MINERALS LLC P O BOX 27 Cartwright ND 58838 Latchem, Taylor Address Redacted

Latech Equipment Inc 1950 S 900 W Ste S7 Salt Lake City UT 84104 Latech Equipment Of Colorado 1950 South 900 West Ste S7 Salt Lake City UT 84104 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 346 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 349 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lateral Completions Ltd Box 692 Box 692 Sooke BC V9Z 1H6 Canada Lateral Completions Ltd Anna Vatter Box 692 Sooke BC V9Z 1H6 Canada Lateral Completions Ltd Box 692 Sooke BC V9Z 1H6 Canada Latham Myers & Mary S Myers Joint Tenants Address Redacted Lathrop & Gage LLP 2345 Grand Boulevard Kansas City MO 64108 LATHROP & GAGE LLP 2345 GRAND BOULEVARD Kansas City MO 64108 Lauer, Travis Address Redacted Laufman Living Tr Dtd 11-12-97 Ivy Laufman - Trustee Address Redacted Laughren, Dennis Address Redacted Launa Walquist Address Redacted Laura A Legett Address Redacted Laura A Macik Address Redacted Laura Ann Pawlowski Address Redacted Laura Anne Welke Address Redacted Laura Bailey Address Redacted Laura C Chauvin Address Redacted Laura Carpenter Address Redacted Laura Determan Address Redacted Laura E Hannegan Address Redacted Laura E Spaziani Address Redacted Laura Elizabeth Murphy Trust Mark B Murphy Trustee Address Redacted Laura Erber Address Redacted Laura Everett Gibson Separate Property Address Redacted Laura F. Shetler Address Redacted Laura Garrett Cust For Lucas William Garrett Address Redacted Laura Geyer Address Redacted Laura Graham Address Redacted Laura Hanson Address Redacted Laura J Amman Address Redacted Laura J Parker Address Redacted Laura Jane Cirlot New Address Redacted Laura Jean Moss Address Redacted Laura Jean Nyby Address Redacted Laura Johnston Dement Address Redacted Laura Kathy Gennings Address Redacted Laura L Dahl Address Redacted Laura L Freeman Address Redacted Laura L Landis Address Redacted Laura L Lytle Address Redacted Laura Lee Kennedy Address Redacted Laura Lyn Potter Address Redacted Laura M Dille Address Redacted Laura M Kline Address Redacted Laura M Martinez Address Redacted Laura Marion Address Redacted Laura Moser Address Redacted Laura Norwood Van Husen Address Redacted Laura Overton Wheless Trust C/O Laura Overton Wheless Ttee Address Redacted Laura Price Address Redacted Laura R Vios Address Redacted Laura Rene Address Redacted Laura Ringo Address Redacted Laura Sanders Van Winkle Address Redacted Laura Schulte Address Redacted Laura Scott Guthrie Address Redacted Laura Sims Weems Address Redacted Laura Snortland Fairfield Address Redacted Laura Torgerson Address Redacted Laura W Breen Address Redacted Laura Wilson Address Redacted Laura Yeatman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 347 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 350 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Laural M Thompson Address Redacted Laurance C Beaudoin Address Redacted Laureen Barnhart Address Redacted Laureen M Sherman Address Redacted Laureen R Gaspar Address Redacted Laurel Ann Fukuyasu Address Redacted Laurel Hadley Address Redacted Laurel Hansen Address Redacted Laurel J Dickie Address Redacted Laurel J Wells Address Redacted Laurel Jean Disbrow Address Redacted Laurel Johnson Address Redacted Laurel K Arndt Address Redacted Laurel L Jackson Address Redacted Laurel Marie Kruse Address Redacted Laurel Olson Address Redacted Lauren Arneson - Deceased Address Redacted Lauren Dauer Address Redacted Lauren E Hopkins Address Redacted Lauren Jameson Hooper Address Redacted Lauren Leonard Address Redacted Lauren M Bartle Address Redacted Lauren Mccaddon Address Redacted Lauren Patterson Address Redacted Lauren Schumacher Address Redacted Lauren Willen Address Redacted Laurence C Mcculla Ii Address Redacted Laurence W Bierman Address Redacted Laurene Sylvia Klampe Address Redacted Laurentian Bank Of Canada/CDS** Address Redacted Lauri A Creese Address Redacted Lauri J Driggs Address Redacted Laurie A & David D Claxton Jtwros Address Redacted Laurie A Beard Warren L Beard Address Redacted Laurie A Cline Address Redacted Laurie A Steffes Address Redacted Laurie Ann Harris Address Redacted Laurie Ann Vokal Address Redacted Laurie Brush Address Redacted Laurie Evans Address Redacted Laurie Foster Mitchell Address Redacted Laurie Galbreath Address Redacted Laurie Hoff Address Redacted Laurie J Petersen Address Redacted Laurie Kathleen Presley Address Redacted Laurie Keogh Address Redacted Laurie L Kupper Address Redacted Laurie L Reed Amwdssp Address Redacted Laurie Lee Howard Address Redacted Laurie M Atwater Address Redacted Laurie Moorhead Address Redacted Laurie Otto Address Redacted Laurie Parker Riggs Aka Laurie E Riggs Address Redacted Laurie Pederson Address Redacted Laurie S Hegna Address Redacted Laurie Steffes Mineral Trust Dtd December 19, 2012 Suzanne L Sobolik, Trustee Address Redacted Laurie Zarak Address Redacted Laurisa A Canini Address Redacted Lautenschlager, Adam Address Redacted Lautenschlager, Mason Address Redacted Lavaca Producing Properties Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 348 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 351 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lavalle J L Andersen Revocable Living Trust Lavalle J L Andersen, Trustee Address Redacted Lavanchie P Starkey Address Redacted Lavern Auverson Address Redacted Lavern Jessen Address Redacted Lavern L Landmark Address Redacted Lavern Lindstrom Address Redacted Laverna D Bakk Address Redacted Laverne & Fonda Wegleitner Family Trust - Laverne P & Fonda G Wegleitner - Trustees Address Redacted Laverne Hester Address Redacted Laverne J Ficek Address Redacted Laverne King Address Redacted Laverne Lee Address Redacted Laverne Luptak Family Mineral Trust Dtd March 11, 2013 Steven Luptak, Trustee Address Redacted Laverne Mahar Address Redacted Laverne Rush Estate Address Redacted Laverne Stevens Address Redacted Laverne Stevens And Carol Stevens Joint Tenants Address Redacted Laverne V Thatcher As Trustee Thatcher Family Living Trust Dtd 11/22/91 Address Redacted Laverne Wegleitner Address Redacted Laverne Witte Address Redacted Laveta A Zufall Address Redacted Laveta Kummer Address Redacted Lavetta M Renbarger Address Redacted Lavinia Schreduer Trust Wells Fargo Ogm C7300-07D Address Redacted Lavinia T Siira Address Redacted Lavonda Campbell Address Redacted Lavonne Anderson Smith Address Redacted Lavonne Braaten Address Redacted Lavonne I Schleicher Address Redacted Lavonne K Eggen Address Redacted Lavonne Kukus Address Redacted Lavonne M Bova Address Redacted Lavonne M Northcutt Address Redacted Lavonne R Ruley Address Redacted Lavonne Schaefer Address Redacted Lavonne Schoenborn Address Redacted Lawrence & Betty Pavlish Family Mineral Trust Lawrence K Pavlish, Trustee Address Redacted Lawrence & Mary Lindvig Fam Tr American State Bk & Tr Co Ttee Address Redacted Lawrence & Mildred Halvorson Joint Tenants Address Redacted Lawrence A & Eunice J Klepper Revocable Trust Dtd 8-1- 18 Lawrence & Eunice Klepper - Tr Address Redacted Lawrence A Klepper Address Redacted Lawrence A Zupan Address Redacted Lawrence A. Neal Address Redacted Lawrence And Rhea Tollefsrud Address Redacted Lawrence Bahn Address Redacted Lawrence Bahn Etux Dena Bahn Address Redacted Lawrence C Henning Address Redacted Lawrence D Cartier Address Redacted Lawrence D Romo Address Redacted Lawrence Dolph Address Redacted Lawrence Francis Barineau Address Redacted Lawrence H Derby Address Redacted Lawrence H Gapp Address Redacted Lawrence I Schaefer Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 349 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 352 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lawrence I Wolfe & Charlotte A 2011 Revocable Trust Douglas A Wolfe Trustee Address Redacted Lawrence J Bradshaw Special Needs Trust - Wells Fargo Bank Trustee Address Redacted Lawrence J Fort Address Redacted Lawrence J Ganther Address Redacted Lawrence J Nelson Address Redacted Lawrence J Oneill Revocable Trust Lawrence J Oneill Trustee Address Redacted Lawrence J Sticka Address Redacted Lawrence Jablonsky & Shirley Jablonsky Family Mineral Trust 11/3/2011, Ttees Address Redacted Lawrence Jablonsky & Shirley Jablonsky, H/W Address Redacted Lawrence John Clay Address Redacted Lawrence Joseph Zika Address Redacted Lawrence Kaufman Address Redacted Lawrence Kim Kimball Address Redacted Lawrence Klemer, Individually and On Behalf of the Estate of John N. Klemer Address Redacted Lawrence L Trout Address Redacted Lawrence M Karsky Address Redacted Lawrence M Nilsen Address Redacted Lawrence Mercier Address Redacted Lawrence Skipper Address Redacted Lawrence Steiger Address Redacted Lawrence Tollefsrud Address Redacted Lawrence W & Joann Ledbetter Address Redacted Lawrence W Grahmann Address Redacted Lawrence, Peter Address Redacted Lawrin Hugh Baker Address Redacted Lawson, Gary Address Redacted Lawton Oil & Gas II LLC 6881 S Holly Cir Ste 204 Centennial CO 80112 Layne G Johnson Address Redacted Layton D Johnson Address Redacted LAZ Parking Glenn T. Terk One Financial Plaza 14th Floor Hartford CT 06103 Laz Parking PO Box 912998 Denver CO 80291-2998 FRERES & CO. LLC New York NY 10112 Lazetta M Leer 5050 Mayville Rd Bismarck ND 58503 LAZY ROCKIN R RANCH LLP, LYNN RUSSELL, PRESIDENT 14783 44TH LANE NW Williston ND 58801-9337 Lazy S Minerals LLC PO Box 100493 Fort Worth TX 76185 Lazy T Mineral Holdings LLLP PO Box 432 Congress AZ 85332 Lbj Inc 19255 E Escalante Rd Queen Creek AZ 85142 LBJ INC 19255 E ESCALANTE RD Queen Creek AZ 85142 Lbk Sales & Service Inc PO Box 1133 Williston ND 58802 Lc Properties LLC 303 East 17Th Ave Ste 400 Denver CO 80203 Lcl Interests LLC 7500 San Felipe St Ste 475 Houston TX 77063 Ld Management LLC 2794 N. Empire Ave Loveland CO 80538 Ldis LLC 5620 Ward Rd Ste 200 Arvada CO 80002 Le Chateau Properties LLLP 928 13Th Ave Se Minot ND 58701 Lea County Electric Coop Inc 1300 W Ave D Lovington NM 88260 Lea County Electric Coop Inc Po Box 1447 Lovington NM 88260 LEA COUNTY ELECTRIC COOP INC PO BOX 1447 Lovington NM 88260 Lea County Electric Cooperative, Inc. 1300 W. Ave D Lovington NM 88260 Lea County Electric Cooperative, Inc. c/o Newell Law Firm 10 W. Adams, Suite E Lovington NM 88260 Lea County Septic Tank Service PO Box 703 Hobbs NM 88241 Lea Lowe Address Redacted Leaf Minerals LLC 1001 17th St Ste 1400 Denver CO 80202 Leah Baker Nava Address Redacted Leah K Kopseng Coghlan Address Redacted Leah K Kopseng Coghlan for Leah K Kopseng Coghlan IRA Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 350 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 353 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Leah M Necker Address Redacted Leah Renteria Address Redacted Leah S Conway Address Redacted Leah Schmidt Address Redacted Leah Smith Hagel Address Redacted Leah Victoria Gustafson Address Redacted Leam Drilling Services PO Box 10356 New Iberia LA 70562-0356 Lean Dog Limited Partnership No 1 PO Box 25203 Dallas TX 75225 Leanard L Goebel 12788 Highway 1804 Williston ND 58801 Leanin.Org LLC 855 El Camino Real Ste 307 Palo Alto CA 94301 Leann Binde Address Redacted Leann G Irish Address Redacted Leann M Lerud Address Redacted Leann R Brunner Address Redacted

Leanna K Erickson Halverson Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 Leanne M Van Heel Address Redacted Leanne Schmitz Address Redacted Leanne Sogard Address Redacted Leanne South C/O First Financial Trust & Asset Management Company Na PO Box 701 Abilene TX 79604 Lear & Lear LLP The Downey Mansion 808 East South Temple Street Salt Lake City UT 84102 Leaseaccelerator Inc 10740 Parkridge Blvd Ste 701 Reston VA 20191 LEASEACCELERATOR SERVICES, LLC 10740 PARKRIDGE BLVD STE 701 Reston VA 20191 LEASED VEHICLE FLEET AGREEMENT-8381 Address Redacted Leata Mae Machamer Address Redacted Leathers, Evan Address Redacted Lechman, Nathan Address Redacted Lecil A Chandler Address Redacted Ledgerwood Family Trust Dated 3/28/1985, William & Betty C Ledgerwood Trustees Address Redacted Ledgerwood Family Trust Dtd 3/28/1985, Linda M Ledgerwood & Sandra Crain Sucor Trees Address Redacted LEE & VIRGINIA BERRY TRUST EILEEN B LUKE, TRUSTEE 6365 NE 193RD PL Kenmore WA 98028 LEE & VIRGINIA BERRY TRUST Address Redacted Lee & Virginia Berry Trust Eileen B Luke, Trustee 6365 Ne 193rd Pl Kenmore WA 98028 Lee Allen Gray Address Redacted Lee And Bonnie Jacobson Address Redacted Lee And Bonnie Jacobson Life Estate Address Redacted Lee Ann Greff Address Redacted Lee B Mcfarlin Address Redacted Lee F Kottke Address Redacted Lee Frederick Johnston Address Redacted Lee G Hanson C/O Leann Hedge Address Redacted Lee Giles Address Redacted Lee Howell Address Redacted Lee Irvine Trust Lee Irvine - Trustee Address Redacted Lee J Satermo Address Redacted Lee John Satermo Address Redacted Lee Leighton Address Redacted Lee Malmberg Address Redacted Lee Mcculloch Address Redacted Lee Morgan Revocable Trust Dtd 11/21/05 - Thea L Dunn Morgan - Trustee Address Redacted Lee N Ganey Address Redacted Lee N Tangedahl Address Redacted Lee Page Address Redacted Lee R. Ruiz And Maria B. Ruiz Address Redacted Lee Ralph Pope IRA c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Lee Ruby Address Redacted Lee Talkington Address Redacted Lee Talkington & Glenda Talkington, Jtwros Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 351 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 354 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lee Tjelde Address Redacted Lee Wayne Baird Address Redacted Lee, Jonathon Address Redacted Leeann Koppinger Address Redacted Leeann Queen Address Redacted Leeann Swain Address Redacted Leed Fabrication Services LLC PO Box 2407 Elk City OK 73648 Leede Operating Company LLC 2100 Plaza Tower One 6400 South Fidler'S Green Cir Englewood CO 80111 Leeman Minerals LLC PO Box 54555 Oklahoma City OK 73154 Leeroy Reidle And Arlene Reidle Hw Address Redacted Leesa Lowrey Price Address Redacted Leffelman Living Trust Ronald D Leffelman - Trustee Address Redacted Lefthand Resources LLC PO Box 3498 Boulder CO 80307 Legacy Lands LLC 4911 Laura St Se Olympia WA 98501 Legacy Reserves Operating LP PO Box 207418 Dallas TX 75320 LEGACY RESERVES OPERATING LP PO BOX 207418 Dallas TX 75320 Legacy Reserves Operating Lp PO Box 952532 St Louis MO 63195-2532 Legacy Resources Inc 3811 Lockport Street Suite 3, Po Box 794 Bismarck ND 58502-0794 Legacy Royalties Ltd PO Box 1360 Tyler TX 75710-1360 Legacy Tool & Rental LLC PO Box 989 Watford City ND 58854 Legado Investments LLC 6001 West Industial Ave Midland TX 79706 LEGADO INVESTMENTS LLC 6001 WEST INDUSTIAL AVE Midland TX 79706 Legal Media Inc 1602 Washington Ave Houston TX 77007 LEGAL MEDIA INC 1602 WASHINGTON AVE Houston TX 77007 Legend Energy Services LLC 5801 N Broadway Extension Suite 210 Oklahoma City OK 73118 Legility Data Solutions LLC 216 Centerview Dr Ste 250 Brentwood TN 37027 16479 DALLAS PARKWAY, SUITE LEGILITY DATA SOLUTIONS, LLC/ ICONTROLESI 720 Addison TX 75001 Legion Rig Services LLC PO Box 1250 Ault CO 80610 Legler, Michael Address Redacted Lego, Shelby Address Redacted Lehmann Trust Trustees - Ronald J Lehmann And Kathi L Lehmann Address Redacted Lehsa E Orcutt Address Redacted Leier, Nathan Address Redacted Leif D Olson Address Redacted Leif E Halvorson Address Redacted Leif Krogen Address Redacted Leigh Ann Beane Purnell Address Redacted Leigh Ann Langford Hawk Address Redacted Leigh Ann Mccullough Address Redacted Leigh C Crueger & Associates 4509 N Classen Suite 200 Oklahoma City OK 73118 Leigh Taliaferro First Financial Trust & Asset Management Co Na Trustee Address Redacted Leigh W Blum Address Redacted Leighton, Alver Address Redacted Leila M White Laverna Bakk Poa Address Redacted Leila Offner Address Redacted Leila Stanley Address Redacted Leilani R Duke Address Redacted Leintz, Domanick Address Redacted Leiseth Minerals LLC Jason R Leiseth President Address Redacted Leiss, Preston Address Redacted Leist, Ty Address Redacted Lek Securities Corporation Corporate Actions One Liberty Plaza 52nd Floor New York NY 10006 Lek Securities Corporation Corporate Actions Daniel Hanuka 140 Broadway 29th Floor New York NY 10005 Lek Securities Corporation Daniel Hanuka 140 Broadway 29th Floor New York NY 10005 Leland & Marilyn Y Schultz Living Trust Leland Schultz - Trustee Address Redacted Leland B Voss Address Redacted Leland E Moser Address Redacted Leland H Coulam Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 352 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 355 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Leland J Romo Address Redacted Leland L & Cheri R Kulland Jt Address Redacted Leland M Haines Address Redacted Leland M Stenehjem Jr Address Redacted Leland Sande Estate Address Redacted Leland Stanford Jr University Address Redacted Lelani Driscoll Address Redacted Lemerce Pierce Holley Address Redacted Lemieux Family Revocable Lvg Trust- Sharon Armstrong & Vernon Smith - Co-Successor Tr Address Redacted Lemoyne Art Foundation Inc 125 North Gadsden Street Tallahassee FL 32301 Lena Baldwin Address Redacted Lena Renee Brigman Address Redacted Lena Safratowich Address Redacted Lendyl J Walker & Debra J Address Redacted Lendyl J Walker & Debra J Walker J/T Address Redacted Lennae C Grahn Norstog Address Redacted Lennie W Wheeler Address Redacted Lennon L Barstad Address Redacted Lenora A Nefsky Address Redacted Lenore A Berndt Address Redacted Lenore Angeline Pausig Address Redacted Lenore G Tolonen Rev Inter Tr Wells Fargo Bank Trustee Acct #75099200 Address Redacted Lenore I Ouradnik Address Redacted Lenovo Inc PO Box 643055 Pittsburgh PA 15264-3055 Lenox Partners C/O Justin Abelow 1111 Park Ave #14B New York NY 10128 Leo & Mary Louise Stoltz Trust Edward Stoltz, Trustee Address Redacted Leo A Heath Address Redacted Leo A Papineau Address Redacted Leo A Uran Jr Address Redacted Leo B Helzel & Florence Helzel Ttees Of The Leo B Helzel & Florence Helzel Living Trust Address Redacted Leo B Kulp Address Redacted Leo Billman Address Redacted Leo C Lindemann Estate Kathleen L Kupser & Mary M Farmer - Co- Personal Rep Address Redacted Leo D Holmes & Judy K Holmes, Joint Tenants Address Redacted Leo D Miller Shirley L Miller As Jtwros Address Redacted Leo Glen Davis Iii Address Redacted Leo Kainz & Margaret T Kainz, Joint Tenants Margaret T Kainz Poa Address Redacted Leo L Kessel & Address Redacted Leo L Kessel & Patricia Geary Kessel Address Redacted Leo M Barabash Address Redacted Leo P & Joyce I Sas Address Redacted Leo R Sutton Jr Address Redacted Leo S Kessel Address Redacted Leo Schneider & Mary Lou Schneider Address Redacted

Leo Schneider & Mary Lou Schneider & Neal J Schneider Address Redacted Leocadia M Martin Estate Address Redacted Leola E Hartstrom Address Redacted Leomac LLC PO Box 1028 Minot ND 58702-1028 Leon And Odetta Arcand Address Redacted Leon Bjella C/O Mavis Bejella Address Redacted Leon Bragg Address Redacted Leon C Steffek Jr Address Redacted Leon Cline Testamentary Trust Jo Ann Cline & Lance Cline Trustees Address Redacted Leon E Welty Address Redacted Leon John Matteucci Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 353 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 356 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Leon L Becker Address Redacted Leon Nyby Address Redacted Leon R Bailey & Susan G Bailey Dba Bng Living Trust Address Redacted Leon Rosenthal Address Redacted Leona Haukedahl Address Redacted LEONA LABONTE Address Redacted Leona M Heiser Address Redacted Leona M Weber Diane M Mount, A-I-F Address Redacted Leona Namyniuk Grishkowsky Address Redacted Leona Ost Address Redacted Leona Pachl Address Redacted Leona Pietras Address Redacted Leona Sheets Address Redacted Leona Steele Address Redacted Leonard & Betty Heck Address Redacted Leonard & Marie Stettner J/T Address Redacted Leonard & Marie Stettner L/E Address Redacted Leonard & Thelma Hagen Family Mineral Tr Neil L Hagen, John D Hagen, & Address Redacted Leonard And Karen Behm Address Redacted Leonard Bernell Gardner Sharon Marie Gardner Jtwros Address Redacted Leonard D & Joni Rinehart Address Redacted Leonard D Drook And Mary L Drook Jts Address Redacted Leonard Daniels Address Redacted Leonard Darrel Salsbury Address Redacted Leonard Dorval Address Redacted Leonard E Scott Address Redacted Leonard E Shaw C/O Chartered Bank Of London 1145 San Marino Drive San Marcos CA 92069 Leonard F Dudley Jr Address Redacted Leonard Harvey Ouradnik Address Redacted Leonard Legacy Royalty LLC PO Box 3422 Midland TX 79702 Leonard Lindbo Address Redacted Leonard Lindsley & Evelyn Lindsley Address Redacted Leonard M Kacher And Phyllis O Kacher Address Redacted Leonard M Larson Jr Address Redacted Leonard Mrachek Address Redacted Leonard P Makowski Sr & Dorothy E Makowski Address Redacted Leonard R Johnson Address Redacted Leonard Tarantini Address Redacted Leonard W & Eileen O Jones Address Redacted Leonard Walla Address Redacted Leonard, Derek Address Redacted Leonard, Karla Address Redacted Leone A Nelson Address Redacted Leone Van Vleet Address Redacted Leontius S Kessel Tstmny Trust Ulwa Of Leontius S Kessel Address Redacted Leora P Carver Address Redacted Leore P Kanning Address Redacted Lepakast Properties LP PO Box 9758 Midland TX 79708-9758 Leroux Inc 341 24th St Cody WY 82414 Leroy & Alata Rogness L-E Address Redacted Leroy 2000 LLC PO Box 192199 Dallas TX 75219 LEROY 2000 LLC PO BOX 192199 Dallas TX 75219 Leroy And Mary Napier Joint Tenants Address Redacted Leroy Andersen Address Redacted Leroy C Schwartzenberger & Del La Mar Schwartzenberger, Joint Tenants Address Redacted Leroy Coldewey Address Redacted Leroy Corliss Iii Address Redacted Leroy Cossette Address Redacted Leroy E Jones Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 354 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 357 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Leroy E Seidel Address Redacted LEROY EDWIN JORGENSON Address Redacted LEROY EIDE Address Redacted Leroy F Burson Address Redacted Leroy F Marsh Address Redacted Leroy Fiveash Address Redacted Leroy G Rogness Address Redacted Leroy Goebel Address Redacted Leroy Hanson Address Redacted Leroy Houchen Address Redacted Leroy J Cochran Address Redacted Leroy J Greenshields And Peggy L Greenshields Jt Address Redacted Leroy J Jacobs Address Redacted Leroy L Unterseher Pamela A Unterseher Address Redacted Leroy Loomer Address Redacted Leroy N Eide Address Redacted Leroy P Fettig C/O Alicia L & Carla J Fettig Address Redacted Leroy P Fettig Irrevocable Mineral Trust - Carla J Fettig & Alicia L Fettig -Co-Trustees Address Redacted Leroy Seidel Estate Corey & Craig Seidel - Co-Rep Address Redacted Leroy Wilbur Address Redacted Lesco Inc Address Redacted Lesely Gunderson Address Redacted Leslea K Harrison Address Redacted Lesley B Carnes Address Redacted Leslie A Frank Address Redacted Leslie A Lanter Address Redacted Leslie Andrew Hanson Address Redacted Leslie Ann Pray Address Redacted Leslie Ann Soine Rev Trust Leslie Ann Soine Trtee Address Redacted Leslie Bieber Address Redacted Leslie Borsheim Address Redacted Leslie C Bean Address Redacted Leslie C Nerland Address Redacted Leslie Chase Address Redacted Leslie D & Janice Anderson Jt Address Redacted Leslie Donner Address Redacted Leslie E Curren Address Redacted Leslie Edwin Brigham Jr Address Redacted Leslie Fay Grantham Address Redacted Leslie G Filkowski Address Redacted Leslie Kirk Harnish Address Redacted Leslie L Jacobs Iii Address Redacted Leslie Laufer Address Redacted Leslie Lee Address Redacted Leslie Len Morgan Address Redacted Leslie M Wheeler Address Redacted Leslie Morris Turner C/O James Turner Address Redacted Leslie R & Connie L Tofte Address Redacted Leslie Raney Address Redacted Leslie Velasco Address Redacted Lesly Avedisian Address Redacted Lesly Wilterding Address Redacted Lester & Claudia Lueking J/T Address Redacted Lester A & Agnes R Vogele H/W Address Redacted Lester A Schwindt Address Redacted Lester A Vogele Address Redacted Lester E Darr Address Redacted Lester E Robins Address Redacted Lester Iverson Address Redacted Lester J Sandvik Estate Margaret A Sandvik Personal Rep Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 355 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 358 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lester Kent Moore Address Redacted Lester Kent Moore Eagle River Ventures LLC 5460 S Quebec St Ste 230 Englewood CO 80111 Lester Knetig Address Redacted Lester L Albaugh & Margaret E Address Redacted Lester Obrigewitsch Address Redacted Lester Stensel Address Redacted Let It Flow LP 1485 W State Route 89A #5 Sedona AZ 86336 LET IT FLOW LP 1485 W STATE ROUTE 89A #5 Sedona AZ 86336 Let Minerals, LLC C/O Mary Jo Shelton 3821 Bridgewater Drive Eagan MN 55123 Lettie & Charles Moline Address Redacted Lettie Mae Moline Address Redacted Letty Jo Kildow Estate Janet Tk Garner - Pr Address Redacted Letty Jo Kildow Jr Address Redacted Leupp, Kellen Address Redacted Leura J Holder Address Redacted Level 3 Communications LLC Acct: 5-Hh6Gjlpq 6 Po Box 910182 Denver CO 80291-0182 Level 3 Communications, LLC Legal - BKY 1025 Eldorado Blvd. Broomfield CO 80021 Leverenz Holdings LLC 37357 N Wild Barley Path #537 San Tan Valley AZ 85140 Leverne Herring Address Redacted Levi B Hansen Address Redacted Levi Oliver Hagen Estate Russell B Hagen - Pr Address Redacted Levin & Ardis Bean Joint Tenants Address Redacted Levno Family Trust Muretta N Levno Co Trustee Delwyn H Levno Co Trustee Address Redacted Levor Bjella Address Redacted Lewan & Associates Inc PO Box 912728 Denver CO 80291-2728 Lewan & Associates, Inc. Victoria Mares 1400 South Colorado Blvd Denver CO 80222 LEWAN TECHNOLOGY 1400 S. COLORADO BLVD. Denver CO 80222 LEWAN TECHNOLOGY (DBA XEROX) PO BOX 207839 Dallas TX 75320 Lewis A Paschke Trust Wells Fargo - Trustee Address Redacted Lewis Bess Williams & Weese Pc 1801 California St Ste 3400 Denver CO 80202 Lewis Cole Cochran Address Redacted Lewis E Hunsberger & Melody K Hunsberger Address Redacted Lewis Enderle Address Redacted Lewis Family Tr Dtd 8-29-06 C Hunt Lewis & Penelope Lewis Trustees Address Redacted Lewis G Thomas Address Redacted Lewis Jr., Kelly Address Redacted Lewis L Lueking Inter Vivos Trust Kent A Knabe Trustee Address Redacted Lewis L Lueking Trust Lewis L Lueking & Allan C Knabe Ttees Address Redacted Lewis R Marquardt Address Redacted Lewis Revocable Family Trust Address Redacted Lewis Revocable Family Trust Dtd 9/21/07 Sherry R Lewis Ttee Address Redacted Lewis Richard Lohn Deceased Address Redacted Lewis Sisters LLC C/O Carol C Foster Address Redacted Lewis Z Pettie Address Redacted LEWIS, BESS, WILLIAMS & WEESE PC 1801 CALIFORNIA STREET SUITE 3400 Denver CO 80202 Lexitas PO Box 734298 Dept 3001 Dallas TX 75373-4298 Leyva, Steven Address Redacted Lezli A Durbon Address Redacted Lg Oil & Gas LLC Cheryl A Moore PO Box 546 Bismarck ND 58502-0546 Lg Oil & Gas LLC PO Box 546 Bismarck ND 58502-0546 LG OIL & GAS LLC CHERYL A MOORE PO BOX 546 Bismarck ND 58502-0546 Lg Oil & Gas LLC Cheryl A Moore PO Box 546 Bismarck ND 58502-0546 Lgfe-B LP 9200 E Mineral Ave Ste 200 Centennial CO 80112 Lgfe-B LP C/O Formation Energy 9200 E Mineral Ave Ste 200 Centennial CO 80112 Lgfe-Bh LP C/O Formation Energy 1600 Stout St, Ste 1850 Denver CO 80202 Lgfe-J LP 9200 E Mineral Ave Ste 200 Centennial CO 80112 Lgfe-M LP 9200 E Mineral Ave Ste 200 Centennial CO 80112-3467 Lgfe-M LP C/O Formation Energy 9200 E Mineral Ave Ste 200 Centennial CO 80112-3467 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 356 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 359 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lgfe-P LP 9200 E Mineral Ave Ste 200 Centennial CO 80112-3467 Lgos LLC PO Box 462 Denver City TX 79323 Lgs Holdings Grp 2013 LLC 235 Corporate Center Dr Ste 100 Stockbridge GA 30281 Lhb Ventures LLC PO Box 46063 Denver CO 80201-6063 Lhm 2006 Oil & Gas Trust Address Redacted Lia Foss Tufts Boxwell Address Redacted Liang Rong Hsu Address Redacted Liann Bowman Address Redacted Libby Assembly Of God 105 Collins Ave Libby MT 59923 Libby Creek LLC 4329 Vinca Court Boulder CO 80304 Libby L Kroner Address Redacted c/o Linebarger Goggan Blair & Liberty County Sampson, LLP Attn: Tara L. Grundemeier PO Box 3064 Houston TX 77253-3064 Liberty Energy LLC 10 St James Ave Boston MA 02116 Liberty Energy LLC 10 St James Ave Boston MA 2116 LIBERTY LIFT SOLUTIONS LLC 1250 WOOD BRANCH PARK DR STE 250 Houston TX 77079 Liberty Lift Solutions LLC 16420 Park Ten Pl Ste 300 Houston TX 77084-5692 LIBERTY LIFT SOLUTIONS LLC 1250 WOOD BRANCH PARK DR STE 250 Houston TX 77079 Liberty Lift Solutions, LLC 16420 Park Ten Place #300 Houston TX 77084 Liberty Lift Solutions, LLC P.O. Box 679853 Dallas TX 75267-9853 Liberty Mutual Fire Insurance Co. 175 Berkeley Street Boston MA 02116

Liberty Mutual Fire Insurance Co. (Liberty Mutual Group) 175 Berkeley Street Boston MA 02116 Liberty Mutual Insurance Company William F. Cupelo 175 Berkeley Street Boston MA 02117 Liberty Mutual Insurance Company on behalf of itself and its affiliates and subsidiaries c/o Choate Hall & Stewart LLP Attn: Douglas R. Gooding Two International Place Boston MA 02110 Liberty Mutual Insurance Group PO Box 91012 Chicago IL 60680-1110 LIBERTY PIPELINE Address Redacted LIBERTY PIPELINE COUNTERPARTIES (PART OF LIBERTY AGREEMENT PACKAGE) Address Redacted LIBERTY PIPELINE COUNTERPARTIES (PART OF LIBERTY AGREEMENT PACKAGE) Address Redacted LIBERTY PIPELINE LLC 2331 CITY WEST BLVD. Houston TX 77042 LIBERTY PIPELINE LLC 2331 CITY WEST BLVD. Houston TX 77042 LIBERTY PIPELINE, BRIDGER PIPELINE, BELLE FOURCHE PIPELINE, BUTTE PIPELINE, RED OAK PIPELINE (COLLECTIVELY "LIBERTY PIPELINE COUNTERPARTIES") (PART OF LIBERTY AGREEMENT PACKAGE) Address Redacted LIBERTY PRODUCTION, LLC 1550 LARIMER STREET SUITE 508 Denver CO 80202 Liberty Resources LLC 1200 17th Street Ste 2200 Denver CO 80202-5854

LIBERTY RESOURCES LLC, ATTN ROBERT SCHULZ 1200 17TH ST STE 2050 Denver CO 80202 Liberty Supply Inc P O Box 489 Magnolia AR 71754-0489 Liddell Investments LLC 14201 Caliber Dr Ste 300 Oklahoma City OK 73134 Lido Investment Group A California Ptr C/O Charles S Franklin 10850 Wilshire Blvd, #1210 Los Angeles CA 90024 Lien Quy Lam Address Redacted Lien, James Address Redacted Liepke Drilling & Completions Levi A Liepke 5555 71st Ave NE Bismarck ND 58503 Liepke Drilling & Completions Levi Liepke 5555 71st Ave Ne Bismarck ND 58503 Liesa M Barnum 2008 Rev Trust Liesa M Barnum Trtee Address Redacted Life Estate Of Richard And Josie Riedel 3242 Hwy 58 Fairview MT 59221 Life Royalties Inc 3207 W 4th Street Fort Worth TX 76107 Liffrig Family Investments LLP C/O John R Liffrig 310 East 23rd Terrace Williston ND 58801 Light Cahill Royalties PO Box 660082 Dallas TX 75266-0082 Light Cahill Royalties LLC PO Box 660082 Dallas TX 75266-0082 Light Foot Usa LLC 700 N Colorado Blvd Ste 689 Denver CO 80206 Light Of Christ Catholic Schools Of Excellence 1025 North 2nd St Bismarck ND 58501 Light Of The World Catholic Parish 10316 W Bowles Ave Littleton CO 80127-2060 Light Tower Rentals Ltd 3300 North A Street Building 4 Ste 100 Midland TX 79705 LIGHT TOWER RENTALS LTD-695 3300 NORTH A STREET BUILDING 4 STE 100 Midland TX 79705 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 357 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 360 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lighthouse Trades Inc Attn: Alex M. Craft 6115 Highway 8 South Po Box 603 Stanley ND 58784 Lighthouse Trades Inc. PO Box 603 Stanley ND 58784 Lighthouse Trades Inc. Po box 603 PO Box 603 Stanley ND 58784 Lignite Oil Company Inc 8487 101st Nw Lignite ND 58752 Lila Frank Trust Carl Meschke Trustee Address Redacted Lila J Close Address Redacted Lila M & Daniel S Frank Address Redacted Lila M Joseph Address Redacted Lila M Perzinski Address Redacted Lila Nell Keyes Wright Address Redacted Lila Stewart Trust Linda Wildman Trustee Address Redacted Lileth Shelley Address Redacted Liliane Louise Rose Marie Merlo Remorini Address Redacted Liliane Louise Rose Marie Merlo Remorini Luis Mercado 9130 S. Dadeland Blvd Suite 1702 Miami FL 33156 Lilla K Skorcz Address Redacted Lilley & Co Address Redacted Lilley And Associates LLC Wesley W Lilley Manager 6834 S University Blvd #409 Centennial CO 80122 Lillia Gajewski Address Redacted Lillian A Larson Address Redacted Lillian Dasinger Family Trust Lillian Dasinger Individually And As Trustee Address Redacted Lillian Homstad Address Redacted Lillian Janet Pillster Address Redacted Lillian Jastrzebski L/E Address Redacted Lillian K Curtis Trust Address Redacted Lillian Lamoreux Address Redacted Lillian Mordica Trust Lori L Johnston Succ Ttee Address Redacted Lillian Riedel Address Redacted Lillian Rutledge Address Redacted Lillian S Bohannan Address Redacted Lillian T Dvorak Fmly Mnrl Tr Lillian T Dvorak Trtee Address Redacted Lillian T. Boes Address Redacted Lillian W Kaiser Address Redacted Lillian Warren Trust Warren C Johnston Trustee Address Redacted Lillie Barsuhn Address Redacted Lillo S Crain Address Redacted Lily S. Tam Address Redacted LIME ROCK 1111 BAGBY ST STE 4600 Houston TX 77002 LIME ROCK III 1111 BAGBY ST STE 4600 Houston TX 77002 LIME ROCK IV PO BOX 4346 DEPT 731 Houston TX 77210-4346 Lime Rock Resources Iii-A LP 1111 Bagby St Ste 4600 Houston TX 77002 LIME ROCK RESOURCES III-A LP 1111 BAGBY ST STE 4600 Houston TX 77002 Lime Rock Resources Iv-A LP PO Box 4346 Dept 731 Houston TX 77210-4346 LIME ROCK RESOURCES IV-A LP PO BOX 4346 DEPT 731 Houston TX 77210-4346 Lime Rock Resources Operating Company Ing General Account Po Box 4853 Houston TX 77210 Limestone Creek LLC Kathy A Atkins - Sole Member 10508 Meribeau Wichita KS 67212-5951 Lin Kuang Address Redacted Linam Properties LLC 920 Pierremont, Ste 210 Shreveport LA 71106 Linberry Energy Inc Agent For Sugarberry Oil & Gas Corp And Palinbeck Corporation 5950 Cedar Springs Rd Ste 245 Dallas TX 75235-6803 Lincoln County Treasurer PO Box 630 Kemmerer WY 83101 Lincoln Energy Partners Ii LLC 3400 S Broadway Ste 100 Englewood CO 80113-2525 Lincoln Energy Partners Iii 3400 S Broadway #100 Englewood CO 80113 Lincoln Energy Partners Iv LLC 3400 S Broadway Ste 100 Englewood CO 80113 Lincoln Zeve 2012 Trust Lincoln Zeve Trustee Address Redacted Linda A Cox Address Redacted Linda A Eaton Address Redacted Linda A Glasser Life Estate Address Redacted Linda A Hintz Address Redacted Linda A Landsverk Address Redacted Linda A Monson Address Redacted Linda Alfson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 358 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 361 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Linda And Gary Melland Joint Tenants Address Redacted Linda And Kevin Cox Address Redacted Linda And Paul Harvey J/T Address Redacted Linda Armstrong Address Redacted Linda B Holmes Address Redacted Linda Blackham Address Redacted Linda Borquist Address Redacted Linda Brotherson Address Redacted Linda Brown Address Redacted Linda Brown Rothschild Address Redacted Linda Burkett Address Redacted Linda Bustad Address Redacted Linda Butler Address Redacted Linda C Greene Trustee Wade Joseph Greene Trustee Greene Trust No 1 Dtd 11/7/05 Address Redacted Linda C Johnson Address Redacted Linda Clark Address Redacted Linda Cleveland Address Redacted Linda Cox Address Redacted Linda D Beall Address Redacted Linda D Enlow Address Redacted Linda D Heater Life Estate Address Redacted Linda Danknich Address Redacted Linda David Address Redacted Linda Dawn Kohoutek Address Redacted Linda Deats West Address Redacted Linda Dickison Address Redacted Linda Doyle Address Redacted Linda Dutchak Address Redacted Linda E Heitkamp Address Redacted Linda E Myers Address Redacted Linda E Turcotte Address Redacted Linda F Moses Address Redacted Linda Faye Scott Address Redacted Linda Fletcher Burge Address Redacted Linda Frahm Address Redacted Linda Frances Denne Address Redacted Linda Frazier Address Redacted Linda G & John J Vaccaro Address Redacted Linda G Vaccaro Address Redacted Linda Gail Marino Address Redacted Linda Gail Smith Address Redacted Linda Goebel-Martin Address Redacted Linda Grace Jones Small Address Redacted Linda Gunnerson Address Redacted Linda Harvey Address Redacted Linda Heasley Address Redacted Linda Henderson Hart Address Redacted Linda Herland Address Redacted Linda Hodge Address Redacted Linda Hust Address Redacted Linda I Nausin Address Redacted

Linda J Erdahl Living Trust Dtd 10/4/12 Linda Erdahl Ttee Address Redacted Linda J Grow Address Redacted Linda J H & Glen P Mattson J/T Address Redacted Linda J Helgeson Address Redacted Linda J Melland Address Redacted Linda J Rayes Aka Linda L Gelvin Address Redacted Linda J White Address Redacted Linda Jean Andrews Address Redacted Linda Jean Quern Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 359 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 362 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Linda Jo Severson Address Redacted Linda Joslin Address Redacted Linda K Eskridge Address Redacted Linda K Ewert Address Redacted Linda K Gore And Terry A Gore Trustees Udt Dated 2/24/05 Address Redacted Linda K Jones Address Redacted Linda K Miller Address Redacted Linda K Monforte Address Redacted Linda K Pierce Address Redacted Linda K Stundahl Address Redacted Linda K Sullivan L-E Address Redacted Linda K Wold Address Redacted Linda Knudsvig Address Redacted Linda Koebrich Address Redacted Linda L Hanson Address Redacted Linda L Herrin Address Redacted Linda L Hill Address Redacted Linda L Iversen Address Redacted Linda L Jackman As Ttee Of The Joseph And Linda Jackman Family Address Redacted Linda L Kohlman And Brent Kohlman Wh Address Redacted Linda L Lentz Address Redacted Linda L Miller Address Redacted Linda L Murphy Address Redacted Linda L Newgaard Life Estate Address Redacted Linda L Parker Address Redacted Linda L Stephenson Address Redacted Linda L Taylor Address Redacted Linda L Thompson Address Redacted Linda L Vasseur Address Redacted Linda L Yoshida Address Redacted Linda Landmark Lipovsky Address Redacted Linda Langley Address Redacted Linda Laroque Address Redacted Linda Ledgerwood Address Redacted Linda Legel Address Redacted Linda Leininger Address Redacted Linda Lent Moore Address Redacted Linda Lillegraven Address Redacted Linda Linden Address Redacted Linda Lou Bonnstetter Address Redacted Linda Lou Gabbert Address Redacted Linda Louise Colton Address Redacted Linda M Bieber Address Redacted Linda M Dahl Address Redacted Linda M Davies Address Redacted Linda M Doughty Address Redacted Linda M Doughty c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Linda M Eliason Address Redacted Linda M Kahler Address Redacted Linda M Reed Address Redacted Linda M Snyder Address Redacted Linda M Vickers Address Redacted Linda M. Snyder c/o Raymond James Financial Attn Brian K Johnson 225 5th Street North Breckenridge MN 56520 Linda Marie Oleson Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 Linda Mcelfresh Address Redacted Linda Meduna Address Redacted Linda Morast Address Redacted Linda Newgaard Address Redacted Linda Ogram Address Redacted Linda Olson Ttee Linda Olson Rev Tr Dtd 4/22/11 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 360 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 363 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Linda Petroleum Company Address Redacted Linda Polanchek Address Redacted Linda R Burk Address Redacted Linda R Lesmeister Address Redacted Linda R Luttrell Address Redacted Linda Rae Cope Rodgers Address Redacted Linda Reed Glaw Address Redacted Linda Ritenburgh Address Redacted Linda Robbins Address Redacted Linda Rusch Hoffman Address Redacted Linda Ruth Millican And Maurice Duane Millican, Life Estate Address Redacted Linda S Buxbaum Address Redacted Linda S Chorney Address Redacted Linda S Dugan Address Redacted Linda S Fagerholt Address Redacted Linda S Ford Address Redacted Linda S Newberry Address Redacted Linda S O'Connor Address Redacted Linda Scott Address Redacted Linda Shan Address Redacted Linda Shober Address Redacted Linda Sitter Address Redacted Linda Sitter And Thomas T Sitter Life Tenants Address Redacted Linda Sjostrom Address Redacted Linda Soderlind Address Redacted Linda Stevens Address Redacted Linda Stordahl Address Redacted Linda Stransky Address Redacted Linda Sue Folsom Cheshire Address Redacted Linda Sue Hatfield Address Redacted Linda Sue Madding Address Redacted Linda Sue Meduna Address Redacted Linda Sue Shawcross Address Redacted Linda Sue Trenbeath (Aka Linda Sue Yoshimura) Address Redacted Linda Susan Kennedy Address Redacted Linda Susann Johnston Seibert Address Redacted Linda T Lester Address Redacted Linda Teresa Richards Jenkins Address Redacted Linda Trelstad Address Redacted Linda Tross Address Redacted Linda Wallace Address Redacted Linda Waterman Address Redacted Linda Yvonne Cluck Address Redacted Lindbo, Cody Address Redacted Linde Energy Services Inc 3023 Western Bluffs Blvd Billings MT 59106 Linde Energy Services Inc. Nate Linde 6513 Elder Grove Lane Billings MT 59106 Lindee Robison Address Redacted Linden Tharalson Address Redacted Linder Oil Company, a Partnership 820 Industrial Parkway Ossian IN 46777 LINDER OIL COMPANY, A PARTNERSHIP Attn: ROGER D. LINDER 106 PARK PLACE SUITE 200 Covington LA 70433 Lindley Cole Turner Rev Trust Austin Trust Company Co- Ttee Lindley Cole Turner Co-Ttee 336 South Congress Ave Ste 100 Austin TX 78704 Lindley Cole Turner Trust U/W/O Dorothy Ann G Turner Austin Trust Company Co Ttee 336 S Congress Ave Ste 100 Austin TX 78704 Lindley, Brandon Address Redacted Lindley, Renae Address Redacted Lindsay Nicole Reinke Address Redacted Lindsay Oster Address Redacted Lindsay Oster & Jon Oster Address Redacted Lindsay R Pierce Address Redacted Lindseth Family LLC 15615 Ne Eilers Road Aurora OR 97002 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 361 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 364 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lindsey B & Lane M Perrine J/T Address Redacted Lindsey Belle Rippee Address Redacted Lindsey Jane Ramos Address Redacted Lindsey Kiser Address Redacted Lindsey Perusich Address Redacted Lindy J Engelsma Address Redacted Lindy Louise Sanders Fetrow Address Redacted Linex Of Williston Inc 6416 Wickum Rd Nw Ste 300 Williston ND 58801 Lingor Family Trust Dtd 4-23-19 - John D & Elaine M Lingor - Trustees Address Redacted LINKEDIN 1000 WEST MAUDE AVENUE Sunnyvale CA 94085 LINKEDIN 1001 WEST MAUDE AVENUE Sunnyvale CA 94085 LINKEDIN CORPORATION 1000 W MAUDE AVE Sunnyvale CA 94085 Linkedin Corporation 62228 Collections Center Dr Chicago IL 60693-0622 Linksland Operating LLC 1202 Richardson Drive #115 Richardson TX 75080 LINKSLAND OPERATING LLC 1202 RICHARDSON DRIVE #115 Richardson TX 75080 LINKSLAND OPERATING, LLC 1202 RICHARDSON DR. #115 Richardson TX 75080 LINN ENERGY 600 TRAVIS SUITE 5100 Houston TX 77002 Linn Energy Holdings LLC PO Box 671587 Dallas TX 75267-1587 Linn Operating Inc PO Box 671587 Dallas TX 75267-1587 Linnie Hunter Terrell Address Redacted Lio Properties, LLC PO Box 35471 Tulsa OK 74153-0471 LION OIL TRADING AND TRANSPORTATION 100 E PEACH ST SUITE 201 El Dorado AR 71730 Liquid Capital Exchange For Chief Oilfield Services Llc Po Box 168688 Irving TX 75016 Liquid Capital Exchange Inc For Castle Oilfield Services Po Box 168688 Irving TX 75016 Liquid Capital Exchange Inc For Horizon Energy Services Po Box 168688 Irving TX 75016 Liquid Capital Exchange Inc For Iron Horse Inc Po Box 168688 Irving TX 75016 For Treadstone Environmental Liquid Capital Exchange Inc Services Llc Po Box 168688 Irving TX 75016 Liquid Capital Exchange, Inc Vlad Rojko 5525 N. MacArthur Blvd, Ste 625 Irving TX 75038 Lisa A Benson Address Redacted Lisa A Ewoniuk Address Redacted Lisa A Gebeke Address Redacted Lisa A Masoner Address Redacted Lisa A Schell Address Redacted Lisa A Turner Revoc Lvg Trust Dtd 7-18-08 Lisa A Turner, Trustee Address Redacted Lisa Ann Segler Address Redacted Lisa B Dobos Address Redacted Lisa B Moore Decarlo Address Redacted Lisa B Moore Trust Address Redacted Lisa Brzezicki Address Redacted Lisa Burroughs Address Redacted Lisa C Brandes Address Redacted Lisa C Cook Address Redacted Lisa C Gray Address Redacted Lisa C Wils Address Redacted Lisa Diane Clanton A/K/A Milissa Clanton Address Redacted Lisa Faigman Address Redacted Lisa Faiman Address Redacted Lisa Gallagher Address Redacted Lisa Gunderson Address Redacted Lisa Hanson Address Redacted Lisa Hendricks Address Redacted Lisa Henes-Schulz Address Redacted Lisa J Jay Address Redacted Lisa Jablonsky Address Redacted Lisa Jayne Kassner Address Redacted Lisa Jo Sullivan Address Redacted Lisa K Alaniz Address Redacted Lisa K Overlee Address Redacted Lisa K Overlee c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 362 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 365 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lisa L Obrigewitch Address Redacted Lisa L Wolf Address Redacted Lisa Lucas Joint Tenants Address Redacted Lisa M Bobbitt Address Redacted Lisa M Dilorenzo Address Redacted Lisa M Kelp Dennis R Kelp Address Redacted Lisa M Lapica Address Redacted Lisa Marie Gardner Baab Address Redacted Lisa Marie Kennedy Address Redacted Lisa Marie Lusk Drasites Re Tr Lisa Marie Lusk Drasites Ttee Lusk Drasites & Tolisana Pa Address Redacted Lisa Marie Miller Address Redacted Lisa Marie Sturm Address Redacted Lisa Marie Wallace Address Redacted Lisa Mastin Address Redacted Lisa Michelle Richardson Address Redacted Lisa N Bronk Address Redacted Lisa R Compton Address Redacted Lisa R Robison Address Redacted Lisa R. Thompson Address Redacted Lisa Renea Lucia Address Redacted Lisa Renville Address Redacted Lisa Schell Address Redacted Lisa Soiseth Address Redacted Lisa Sovig Zahn Address Redacted Lisa Stalcup Address Redacted Lisa Stoltz Address Redacted Lisa Sutton-Housman Address Redacted Lisa Ulrich Address Redacted Lisa Undem Address Redacted LISLE GRAVITY INC. 621 SEVENTEENTH ST. SUITE 2600 Denver CO 80293 Lissa J Beytebiere Address Redacted Lissolo, Cody Address Redacted Little Beach Energy Partnrship PO Box 4782 Englewood CO 80155-4782 Little Buddy Foundation PO Box 1513 Dickinson ND 58602 Little Knife Disposal LLC 11921 Hwy 200 Killdeer ND 58640 Little Missouri Resources LLC 103 5th St Se Dickinson ND 58601 LITTLE MISSOURI RESOURCES LLC 103 5TH ST SE Dickinson ND 58601 Little Oils LLC Devon Bowes - Sole Member 22236 131st Ave Se Kent WA 98031 Little People Of America Inc Attn Eric Van Deman 9605 Golden Eagle Pl Golden CO 80129 Little Raven Oil & Gas LLC PO Box 470857 Brookline MA 2447 Little Raven Ventures LLC 244 Heath St Chestnut Hill MA 2467 Little Riata Oil LLC 13751 231st Lane Ne Redmond WA 98053-5697 Little River Construction LLC 2367 West Villard Dickinson ND 58601 Little, Allyson Address Redacted Littler Mendelson Pc PO Box 45547 San Francisco CA 94145-0547 Liv Torgerson Address Redacted Livesay Iii, Jack Address Redacted Living Trust Of Gary Salsbury & Betty Salsbury Gary & Betty Salsbury Co Ttees Address Redacted Lixia Jia Address Redacted Liza F Casey Estate Donald E Brown - Pr Address Redacted Lizanbry LLC 1570 S Forest St Denver CO 80222 Lizbeth A Brann Address Redacted Ljk Income Trust Dtd 9-12-12 Leroy E & Joanne M Klaus Trustees Address Redacted Llewellyn Holland Address Redacted Llewelyn D Pederson Address Redacted LLOG EXPLORATION & PRODUCTION COMPANY, 1001 OCHSNER BLVD., SUITE L.L.C. ATTN: KEMERLIA K. DUCOTE 200 Covington LA 70433 Lloyd & Diann Miller Irrevoc Address Redacted Lloyd A Breyer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 363 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 366 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lloyd And Carolyn Toeckes Joint Tenants Address Redacted Lloyd Arndt Address Redacted Lloyd Berg Address Redacted Lloyd C Grinde Ray Grinde - Aif Address Redacted Lloyd C Kanning Address Redacted Lloyd C Sjostrom Address Redacted Lloyd D Papineau Address Redacted Lloyd D. Larson Address Redacted Lloyd E Fugate And Amy Marie Fugate Hw Address Redacted Lloyd H & Doris V Nelson Address Redacted Lloyd J Oster Address Redacted Lloyd K Johnson Ii Address Redacted Lloyd L & Ramona M Locken J/T Address Redacted Lloyd Lindvig Address Redacted Lloyd Lindvig Family Trust Dtd 6-11-18 Address Redacted Lloyd Lysengen Address Redacted Lloyd M Njos Address Redacted Lloyd Miller Frey Address Redacted Lloyd Properties A California LP Address Redacted Lloyd Ross Address Redacted Lloyd S Verry Succ Sydney Verry Scarbrough Address Redacted Lloyd Seymour Carlson Address Redacted Lloyd Stephens Address Redacted Lloyd Stevens Address Redacted Lloyd T & Colleen R Gossman Revocable Trust - Lloyd T & Colleen R Gossman - Trustees Address Redacted Lloyd Uran Address Redacted Lloyd V Mason Address Redacted Lloyd W Nelson Life Estate Address Redacted Lloyd W Sorenson & Wendy M Sorenson Ttees L W & W M Sorenson Trust Address Redacted Lloyd, Jory Address Redacted Llyn F Longwell Address Redacted Lma Royalties Ltd PO Box 1449 Castle Rock CO 80104 Lmac LLC 3109 Chisholm Trail Bismarck ND 58503 Lmbi O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 LMBI O&G TX LP, SRBI O&G TX LP, THRU LINE O&G TX LP PO BOX 916107 Fort Worth TX 76191-6107 Lmc Energy LLC 550 W Texas Ave #945 Midland TX 79701 LMC ENERGY LLC 550 W TEXAS AVE #945 Midland TX 79701 Lmk Resources Inc 6051 North Course Drive Suite 300 Houston TX 77072 LMK RESOURCES INC. 6051 NORTH COURSE DRIVE SUITE 300 Houston TX 77072 Lml Properties LLC PO Box 3194 Boulder CO 80307 Lmn Holdings LLC 12161 34th St Nw Watford City ND 58854 Lmwb Investments LLC 5380 Old Bullard Rd Ste 600-366 Tyler TX 75703 LMWB INVESTMENTS LLC 5380 OLD BULLARD RD STE 600-366 Tyler TX 75703 Lnl Holdings LLC Attn: Nancy B. Labrant, Manager 113 Vandeventer Dr Burnet TX 78611 Lnv Corporation 1970 Village Center Cir Ste. 1 Las Vegas NV 89134 LNV Corporation Address Redacted Lobo Landman Services Inc Cheryl Knutson 4406 South Bay Drive Se Mandan ND 58554 Lobo Services PO Box 1931 Midland TX 79702 Locators & Supplies Inc 1614 W Fir Ave Fergus Falls MN 56537-4315 Lochend Energy Services Inc Box 280 Crossfield AB T0M 0S0 Canada Locken Oilfield Service 4699 Hwy 8 New Town ND 58763 LOCKEN OILFIELD SERVICE 4699 HWY 8 New Town ND 58763 Lock-Tite Anchor Co PO Box 330 Edgerton WY 82635-0330 Lockton Companies LLC Dept 999228 Po Box 173850 Denver CO 80217-3850 LODIN LLC 14672 Highway 2 Ste 1 Williston ND 58801-9055 Lodin LLC PO Box 830 Ray ND 58849 Loeffler, Correne Address Redacted Loeffler, Justin Address Redacted Loenbro Instrumentation & Electrical Llc 1900 32nd Ave Ne Black Eagle MT 59414 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 364 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 367 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Loenbro Instruments & Electrical LLC Attn: Timothy F. Nixon 200 S Washington Street Suite 100 Green Bay WI 54301 Logan A Jones Address Redacted Logan E & Julie A Terry Jt Address Redacted Logan Minerals LLC 324 Garden Street Golden CO 80403 Logan Resources LLC 4516 Lovers Lane Suite #145 Dallas TX 75225 LOGAN RESOURCES LLC 4516 LOVERS LANE SUITE #145 Dallas TX 75225 Logan Van Way Address Redacted Lo-Gear LLC PO Box 246 Kaycee WY 82639 Logic Integration LLC 8204 Park Meadows Dr Ste A Lone Tree CO 80124 Logmein Usa Inc PO Box 50264 Los Angeles CA 90074-0264 LOGMEIN USA, INC. 320 SUMMER STREET Boston MA 02210 Lognormal Solutions Inc PO Box 3406 Pflugerville TX 78691 Logo Magic Inc 2038 3rd Ave West Dickinson ND 58601-3015 Lohman, John Address Redacted Loia Jane Lincoln Address Redacted Loin Energy P O Box 309 La Grange TX 78945 Lois A Burau Address Redacted Lois A Lauman Address Redacted Lois A Papineau Address Redacted Lois A Wallace Address Redacted Lois Ahrens Address Redacted Lois Ann Rosenberg & Martin Rosenberg Trustees Rosenberg Family Trust Address Redacted Lois Ann Salyers Address Redacted Lois Artzis Trustee Under The Will Of Alvin Artzis Address Redacted Lois Brevik Papineau Address Redacted Lois C And Leon Demar Address Redacted Lois C Bjorgen Estate C/O Laurie Hove Address Redacted Lois C Demar Address Redacted Lois C Hauge L/E Address Redacted Lois Dougherty Address Redacted Lois E Costello Fka Lois Evelyn James Address Redacted Lois E Dump Address Redacted Lois E Reece Address Redacted Lois Egan Estate Address Redacted Lois H Leeming Trust Alliance Trust Company LLC Attn: Gregory E Crawford Address Redacted Lois I Rutz Address Redacted Lois Iszley Clayton Address Redacted Lois Jacobs Address Redacted Lois Jean Reierson Address Redacted Lois Krueger Address Redacted Lois L Handel Address Redacted Lois M Lemieux Dougherty Revoc Living Trust Susan L Ursino - Co-Trustee Address Redacted Lois M Mortenson Address Redacted Lois Monsen Address Redacted Lois Newman Russell Address Redacted Lois Peterson Laemmle Address Redacted Lois Pine Address Redacted Lois Powell Address Redacted Lois Simpson Address Redacted Lois V Lembcke Address Redacted Lois Vanidestine Address Redacted Loisjean B Raymond Trustee Of Loisjean Raymond Survivors Trt Address Redacted Lola Bateman Address Redacted Lola C Brown Address Redacted Lola J Meyers Address Redacted Lola Mae Herndon Wayne Herndon - Poa Address Redacted Loleta Wagener Riley Address Redacted Lolisa Anne Waddell Laenger Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 365 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 368 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lolisa Horton Rev Living Trust Amarillo Nat'L Bank Ttee c/o Amarillo National Bank Attn: Leslie Weaver PO Box 1 Amarillo TX 79105-0001 Loma Energy & Production LLC PO Box 1179 Whitefish MT 59937-1179 Loma Inc C/O Bank Of Oklahoma Na Agent PO Box 1588 Tulsa OK 74101 Lon M & Laura L Schroeder Jtwros Address Redacted Lon Summers Address Redacted Lona Bass Address Redacted Lona L Van Vorst C/O Alfred D Tabatt Address Redacted Lonal V Harding Address Redacted Londa Darwin Address Redacted Londa Darwin c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Lone Butte Cemetary Assn Address Redacted Lone Rider Trading Co PO Box 1414 Dickinson ND 58602-1414 Lone Star Instrumentation & Electric Corp 2222 West 42nd St Odessa TX 79764 Lone Star Natural Resources LLC 800 Bering Drive, #150 Houston TX 77057 Lone Tree Services LLC PO Box 1716 Greeley CO 80632 LONE TREE SERVICES, LLC PO BOX 1716 Greeley CO 80632 Lonesome Dove Petroleum Co Dpt Of Justice/ Gers Complex 2Nd Floor St Thomas VI 00802-5749 Lonetree Energy & Associates PO Box 371439 Denver CO 80237-5439 Long Family Revocable Trust Elaine M & James A Long Ttees Address Redacted Long Properties Trust Larry T Long, Trustee Address Redacted Long, Megan Address Redacted Longbrake, Kirby Address Redacted Longland Corporation Napa Auto Parts 210 S. Main St Longmont CO 80501 LONGNECKER & ASSOCIATES 600 S CHERRY ST STE 1115 Glendale CO 80246 Longnecker & Associates Inc 11011 Jones Rd, Ste 200 Houston TX 77070 Lonna Quast Address Redacted Lonnie B Hanauer Address Redacted Lonnie D Malwitz & Gayle L Malwitz Revocable Trust Lonnie & Gayle Malwitz - Trtee Address Redacted Lonnie Fladeland Address Redacted Lonnie Flannery Address Redacted Lonnie J Schaub Address Redacted Lonnie M Henry Address Redacted Lonnie Porter LLC Address Redacted Lonnie R & Betty L Olson J/T Address Redacted LONNIE SPOTTED BEAR 930 BIA ROUTE 20A Halliday ND 58636 Lonnie Spotted Bear Address Redacted Lonnie Wiley Address Redacted Lonny & Donna Thomas Living Tr Lonny & Donna Thomas Trustees Address Redacted Lonny Gieseke Address Redacted Lonny Namyniuk Address Redacted LONQUIST FAMILY TRUST Address Redacted Lonquist Family Trust William C Lonquist Jr Co Ttee Richard R Lonquist Co Trustee Address Redacted LONTRA ENERGY CONSULTING LLC PO BOX 59305 Birmingham AL 35259 Looney Bin Gapd LLC 28771 90th Ave S Hawley MN 56549 Lora Ann Winters Address Redacted Lora J Bowmer Address Redacted Lora L Lantz Address Redacted Lora Lynette Obrien Address Redacted Lora Wendell Address Redacted Lorac Resources Inc Address Redacted Loraine M Detienne Jim Detienne Poa Address Redacted Loraine M Kaul & Larry D Kaul Address Redacted Loraine Smith Burke Address Redacted Lordemann, Lyle Address Redacted Loree Pollock Address Redacted Loreejane Heetland Address Redacted Loreeta G Canton Address Redacted Loreeta G Canton And Donald R Canton Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 366 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 369 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Loren And Linda Haugen Address Redacted Loren C Scott Address Redacted Loren D Sandvold Address Redacted Loren G Iverson Estate Address Redacted Loren G Iverson Estate C/O Vaughn Iverson Address Redacted Loren George Uridel Address Redacted Loren Gieseke Address Redacted Loren H Armstrong Address Redacted Loren H Young Address Redacted Loren H Young And Jacklyn R Young As Jt Address Redacted Loren J Kjorstad Address Redacted Loren J Reidle Address Redacted Loren Lerbakken Address Redacted Loren M Zoanni Address Redacted Loren Postma Life Tenant Address Redacted Loren R Kopseng & Ryan V Kopseng Address Redacted Loren Rambousek Address Redacted Loren Reinholdt Address Redacted Loren Rowton Address Redacted Loren Svor Address Redacted Loren W Counce Jr & Betty J Counce Joint Lv Tr Address Redacted Loren Woodrow Address Redacted LOREN YOUNG Address Redacted Loren Young Inc 13705 County Road 351 Fairview MT 59221 Loren Young Incorporated 13705 County Road 351 Fairview MT 59221 Lorena Koch Individually Address Redacted Lorena Koch Life Estate Address Redacted Lorene Butler Address Redacted Lorentz Boll Address Redacted Lorenz Children'S Trusts C/O Marvin J Wagener Address Redacted Lorenz, Daniel Address Redacted Lorenz, James Address Redacted LORENZO BEAN Address Redacted Lorenzo Kelly Spotted Bear Address Redacted Loretta A Rebsom Address Redacted Loretta Alyea Address Redacted Loretta E Kordonowy Address Redacted Loretta E Poundstone Address Redacted Loretta Entze Address Redacted Loretta Gustafson Englman Address Redacted Loretta Hegstad Address Redacted Loretta J Berry Address Redacted Loretta J Bowman Ttee Loretta J Bowman Trust Corefirst Bank & Trust Address Redacted Loretta J Mcnamara Trust Loretta J & William J Mcnamara Trustees Address Redacted Loretta Jane Stewart Address Redacted Loretta K Miller & Ashely J Lauckner (Jt) Address Redacted Loretta M Hamilton Address Redacted Loretta Maria Oliver Address Redacted Loretta Noonan Life Estate Address Redacted Loretta S Digrappa Address Redacted Loretta Schlothauer Address Redacted Loretta V Omlid -Renee A Roufs Conservator Address Redacted Loretta Vitt Address Redacted Loretta Wiley-Harper Address Redacted Lorette J Noble Address Redacted Lori & George P Fulka Life Estate Address Redacted Lori A Bussing Address Redacted Lori A Hansen Address Redacted Lori A Norby Address Redacted Lori A Walle Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 367 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 370 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lori Adkins Address Redacted Lori Aho Address Redacted Lori Ann Kirby Hefner Address Redacted Lori Ann Kugler Address Redacted Lori Ann Nessel Address Redacted Lori B Horn Address Redacted Lori B Lutz Address Redacted Lori Beattie Address Redacted Lori Berkey Hatlen Address Redacted Lori Brossart Address Redacted Lori C Herring Address Redacted Lori Clare Geitz Address Redacted Lori D Ervin Address Redacted Lori Durban Address Redacted Lori Egly Durben Address Redacted Lori F Azrak Address Redacted Lori H Rogstad Address Redacted Lori Holemo Minahan Address Redacted Lori J Decarie Address Redacted Lori J Del Secco Address Redacted Lori Kleineck Address Redacted Lori L Fulka Address Redacted Lori L Harstad Address Redacted Lori Linton Address Redacted Lori Martin Address Redacted Lori Mendez Address Redacted Lori Menz Address Redacted Lori Navarro Address Redacted Lori Nelson Address Redacted Lori Rae Hancock Address Redacted Lori Simms Tally Address Redacted Lori Stiner Address Redacted Lori Sukalski Address Redacted Lori Zimmiond Address Redacted Lorie Jo Tidey Address Redacted Lorie Peters Address Redacted Lorin Olson Address Redacted Lorinda Spencer Address Redacted Lorna Ann Matthiesen Address Redacted Lorna Eaton Alice Bolton Aif Address Redacted Lorna Gajewski Address Redacted Lorna Hough Address Redacted Lorna Hough Revocable Trust Dtd 6/5/14 Michael A Hough And Ryan K Hough Trustees Address Redacted Lorna Lu Bennett Address Redacted Lorna Nelson Address Redacted Lorraine A Vorderbruggen Address Redacted Lorraine Berg Address Redacted Lorraine C Thomas Address Redacted Lorraine Cashman Address Redacted Lorraine Coldewey Reagan Address Redacted Lorraine Dale Address Redacted Lorraine Druyff Trust James Calvin Druyff, Trustee Address Redacted Lorraine Dvorak Address Redacted Lorraine Erickson Irrevocable Mineral Trust Lorraine Erickson - Trustee Address Redacted Lorraine Everson Address Redacted Lorraine G Davis Address Redacted Lorraine G Fletcher Address Redacted Lorraine G Olson Life Estate Address Redacted Lorraine Goldenberg Address Redacted Lorraine J White Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 368 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 371 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lorraine L Ewoniuk Address Redacted Lorraine Link Address Redacted Lorraine M Bergan Allan Dean Stockman Poa Address Redacted Lorraine M Canright Trust Dtd March 16, 1992 Address Redacted Lorraine M Shannon Trtee Lorraine M Shannon Rev Lvng Tr Dtd July 14, 2008 Address Redacted Lorraine Rousseau Address Redacted Lorraine Schmelzer Address Redacted Lorraine Smith Address Redacted Lorraine Voelker Address Redacted

Lorraine Vorderbruggen Estate Virginia R Grimestad - Pr Address Redacted Lorraine Willey Poa Jerald L Willey Address Redacted Lorraine Wilson Address Redacted Lorrainne B Vandermeulen Address Redacted Lorri L Knox As Custodian For Keara A Knox Address Redacted Lorri L Knox As Custodian For Sydney N Knox Address Redacted Lorrie B Larson Address Redacted Lorrie Belstad Address Redacted Lorrie Uhlman Address Redacted Lorrie Wickham Address Redacted Lory Friedman Goggans Trst Thomas Namanny Suc Trste Address Redacted Lory Jean E Wilson C/O Bank Of America Na (Agent) Address Redacted Losier, Nicholas Address Redacted Loti LLC 3717 Wilderness Cove Bismarck ND 58503 LOTI LLC 3717 WILDERNESS COVE Bismarck ND 58503 Lotocka LLC PO Box 495 Okarche OK 73762 Lottie Larson Estate Address Redacted Lou Ann Carpenter Address Redacted Lou Ann Mendro Address Redacted Lou Ann Stevens Address Redacted Louella Bricker Velma Downing Poa Address Redacted Louetta Schulze Address Redacted Louis A Oswald Iii Address Redacted Louis A Oswald III And Jennifer Oswald Address Redacted Louis Baxter Address Redacted Louis E Meschke Address Redacted Louis E Yona & Grace Yona JT Ten Address Redacted Louis Folden, Jr Family Revoc Tr-Lou Folden & Yvonne Folden Trustees Address Redacted Louis G Riggs Jr Address Redacted Louis G Zimmerman Irr Gift Tr Jp Morgan Chase Bank Ttee Fbo George H Zimmerman Address Redacted Louis G Zimmerman Irr Gift Tr Jp Morgan Chase Bank Ttee Fbo Mark L Zimmerman Address Redacted Louis G Zimmerman Irr Gift Tr Jp Morgan Chase Bank Ttee Fbo Martha Z Harris Address Redacted Louis Hermanson Address Redacted Louis Hutzenbiler & Debra Hutzenbiler Address Redacted Louis I Egelson, Jr Address Redacted Louis Iverson Address Redacted Louis J Dorval & Georgette C Dorval Address Redacted Louis J Stevenson Jr Address Redacted Louis M Stepan Address Redacted Louis Roethemeier Address Redacted Louis Sadowsky Tina Jassek & Roxanne Ficek Poa Address Redacted Louis W Long Address Redacted Louis W Thompson Address Redacted Louis Woodworth And Quenda C Woodworth Jt Address Redacted Louise E Barker Address Redacted Louise A Hall Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 369 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 372 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Louise A Pashinian Address Redacted Louise And Jay M Bryant Address Redacted Louise Anderson Mccoy Address Redacted Louise Annette Austin Address Redacted Louise Annette Bamba Address Redacted LOUISE BEAN FUDGE Address Redacted Louise Bryant Address Redacted Louise E Gammage Address Redacted Louise Fletcher Address Redacted Louise Krog Address Redacted Louise M Brown Address Redacted Louise M Brown Estate Glenn Morgan - Pr Address Redacted Louise M Christensen Address Redacted Louise M Gustafson Address Redacted Louise M Palmer Address Redacted Louise Newman Otto Address Redacted Louise Penquite Van Laanen Address Redacted Louise Stangler Address Redacted 602 N. Fifth Street Louisiana Department Of Environmental Quality Baton Rouge, La 70802 Louisiana Department of Environmental Quality 602 North Fifth Street Baton Rouge LA 70802 LOUISIANA DEPARTMENT OF ENVIRONMENTAL QUALITY 602 N. FIFTH STREET Baton Rouge LA 70802 LOUISIANA DEPARTMENT OF NATURAL RESOURCES 617 3RD ST Baton Rouge LA 70802 Louisiana Department of Natural Resources, Office of Conservation John Adams 617 North Third Street Baton Rouge LA 70802 Louisiana Department of Natural Resources, Office of Conservation Ryan M. Seidemann Louisiana Department of Justice 1885 North Third Street Baton Rouge LA 70802 Louisiana Department of Natural Resources, Office of Mineral Resources Rachel B. Newman 617 North Third Street Baton Rouge LA 70802 Louisiana Department of Natural Resources, Office of Mineral Resources Ryan M. Seidemann Louisiana Department of Justice 1885 North Third Street Baton Rouge LA 70802 Louisiana Department Of Revenue 617 N 3rd St Baton Rouge LA 70802 Louisiana Department Of Revenue PO Box 201 Baton Rouge LA 70821-0201 Louisiana Department of Revenue Attn: Vicki Landry PO Box 66658 Baton Rouge LA 70896-6658 Louisiana Department of Treasury Attn: John M. Schroder Louisiana State Capitol Building 900 N 3rd Street 3rd Floor Baton Rouge LA 70802 Louisiana Department of Treasury Attn: John M. Schroder PO Box 44154 Baton Rouge LA 70804 Louisiana EEOC - New Orleans Field Office Attn: Keith T. Hill Hale Boggs Federal Building 500 Poyards Street Suite 809 New Orleans LA 70130

Louisiana Occupational Safety and Health Administration Baton Rouge Area Office 9100 Bluebonnet Centre Blvd Suite 201 Baton Rouge LA 70809 Louisiana Office of Financial Institutions Attn: P. Scott Jolly Securities Division 8660 United Plaza Blvd 2nd Floor Baton Rouge LA 70809 Louisiana Office Of The Attorney General 1885 N. Third St Baton Rouge LA 70802 Louisiana Office of the Attorney General Attn: Jeff Landry 1885 N 3rd Street Baton Rouge LA 70802 Louisiana Office of the Attorney General Consumer Protection Section PO Box 94005 Baton Rouge LA 70804 Louisiana Workforce Commission Attn: Ava Dejoie 1001 N 23rd Street Baton Rouge LA 70802 Loumarv LLC 2727 Kirby Dr #19F Houston TX 77098 LOUMARV LLC 2727 KIRBY DR #19F Houston TX 77098 Lovato, Serena Address Redacted Love Family Trst Linda L Love Trste Address Redacted Love, Frederick Address Redacted Lovelace, Larry Address Redacted Loveland, Lloyd Address Redacted Lovette Revocable Trust Constance W Lovette Trustee Stephen Lovette Trustee Address Redacted Lowaine Lee Life Estate Address Redacted Lowder, Jack Address Redacted Lowe Mackinnon Rubey Figour Address Redacted Lowell C & Arlana D Mosby Jt Address Redacted Lowell D Finstad Address Redacted Lowell H & Georgia Hanson Address Redacted Lowell H Bernston Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 370 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 373 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lowell J Young Address Redacted Lowell Schroeder Address Redacted Lowell W & Alice J Goldade Address Redacted Lowella H Clarin Address Redacted Lowella H Clarin Life Estate Remainder To Michael Harstad, Address Redacted Lowenstein Family Trust Dtd 10-16-1998, Robert L & Elsie Lowenstein, Trustees Address Redacted Lower Yellowstone Rural 3200 W Holly St Sidney MT 59270-1047 Lower Yellowstone Rural Electric Assn Inc PO Box 1047 Sidney MT 59270-1047 Lower Yellowstone Rural Po Box 1047 Sidney MT 59270-1047 LOWER YELLOWSTONE RURAL ELECTRIC ASSN INC PO BOX 1047 Sidney MT 59270-1047 Lower Yellowstone Rural Electric Assn Inc PO Box 1047 Sidney MT 59270-1047 Lowe'S Printing Inc PO Box 1116 Minot ND 58702 Lowry Energy Partners PO Box 519 Mount Vernon TX 75457 Loyd B Sims Address Redacted Loyd Brett Perry Address Redacted LPG Capital Partners, LP c/o Letendre Group Attn: Benoit M. Letendre 123 Second Street PO Box 92 Baraboo WI 53913 Lpi Holdings LLC PO Box 20523 Billings MT 59104-0523 Lpl Financial Corporation Corporate Actions Kristin Kennedy 9785 Towne Centre Drive San Diego CA 92121-1968 Lqs Funding Group Lc For Valiant Artificial Lift Solutions Po Box 404322 Atlanta GA 30384-4322 Lrf Jr LLC PO Box 11327 Midland TX 79702 Lrw Royalties LLC PO Box 440483 Houston TX 77244 Ls Hydrocarbyl LLC PO Box 601 Bismarck ND 58502 LS HYDROCARBYL LLC PO BOX 601 Bismarck ND 58502 LSM ENERGY PO BOX 523 Mandan ND 58554 Lsm Energy Inc PO Box 523 Mandan ND 58554 LSM ENERGY INC PO BOX 523 Mandan ND 58554 LSM ENERGY, INC PO BOX 523 Mandan ND 58554 Lt Development Group LLC PO Box 1288 Watford City ND 58854 Lt Enterprises Inc Attn Luke Taylor Po Box 1288 Watford City ND 58854 Ltr Insulation Service LLC 4817 S Fultondale Way Aurora CO 80016 Lu Ann Grace Dschaak Riebe Address Redacted Lualice A Hoffman Address Redacted Luann D Sharbono Address Redacted Luann Havelka Address Redacted Luann K Letang & Nicklas E J Letang Joint Tenants Address Redacted Luann Marlene Nelson Living Trust Dt 6/7/07, Luann Marlene Nelson Address Redacted Luann Rima Address Redacted Luanne D Baxter Address Redacted Luanne Stone Reid Address Redacted Lube Services 111 South Ferrill Ave Quitman MS 39355 Lubrizol Specialty Products 2000 West Sam Houston Pkwy S Ste 320 Houston TX 77042 Lubrizol Specialty Products 23174 Network Pl Chicago IL 60673-1231 2000 WEST SAM HOUSTON PKWY LUBRIZOL SPECIALTY PRODUCTS INC (LSPI)-5095 S, STE 320 Houston TX 77042 Luc P. Piessens Address Redacted Lucas Associates Inc PO Box 638364 Cincinnati OH 45263-8364 Lucas Fidler Address Redacted Lucas Kimble Address Redacted Luchi, James Address Redacted Luciele Olson Address Redacted Lucile Broyles Address Redacted Lucile S Lindsey Address Redacted Lucilla Barth Address Redacted Lucille B Sandahl Address Redacted Lucille Braun Successor Ttee W L Braun Oil Properties Trust Dtd 10/22/1998 Address Redacted Lucille Burma Address Redacted Lucille E Andersen Life Estate Alice Massie Poa Address Redacted Lucille H Kolberg Life Tenant Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 371 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 374 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lucille Hall Address Redacted Lucille M Scott Trustee Of The Lucille M Scott Trust Dated Sept 21 2011 Address Redacted Lucille May Kramer Address Redacted Lucille Miller Richards Address Redacted Lucille Moore Cynthia A Troiani As Aif Address Redacted Lucille Rotzien Life Estate Address Redacted Lucille T Smith Estate Estelle D Miller, Sole Ind Address Redacted Lucille Zalesky Life Estate Michelle Engraf Remainderman Address Redacted Lucinda A Dimmick Address Redacted Lucinda B Jesse Address Redacted Lucinda M E Douglas Address Redacted Lucinda S Baker Address Redacted Lucinda S Riedel Address Redacted Lucion Technologies LLC 710 E Technology Ave Ste E3100 Orem UT 84097 Luckow, Travis Address Redacted Lucky Dog Resources Inc 124 4th Ave E Westhope ND 58793 Lucky Services LLC 1705 North 1500 East Vernal UT 84078 Lucy Hunter Washburne Address Redacted Lucy J Beierle Revocable Trust Wanda Gelsebach - Trustee Address Redacted Lucy J Beierle Trustee Of The Lucy J Beierle Revocable Trust Address Redacted Lucy Jean Sumrall Address Redacted Lucy Landers Address Redacted Lucy Langwald Address Redacted Lucy M Hanson Life Estate Address Redacted Lucy M Hanson Life Estate Remainderman Darryl & Richard Hanson Address Redacted Ludeca Inc 1425 Nw 88th Avenue Doral FL 33172-3017 Ludlum Measurements Inc PO Box 810 Sweetwater TX 79556 Ludlum Measurements Inc P O Box 972965 Dallas TX 75397-2965 Ludrick, Renae Address Redacted Lueder Gas & Oil LLC 6553 West Remus Rd Mt Pleasant MI 48858 Luella A Carscallen Life Estate Address Redacted Luella Dix Address Redacted Lueth, Broc Address Redacted Lueth, Levi Address Redacted Luetta L Pesek Address Redacted

Lufkin Industries LLC Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Lufkin Industries LLC PO Box 301199 Dallas TX 75303-1199 LUFKIN INDUSTRIES, LLC (PART OF BAKER HUGHES, A GE COMPANY) 811 WILLOW OAK DRIVE Missouri City TX 77489-2468 Lugene Turcotte Trustee Of The Harold & Vi Van Sickle Trust Dtd 04/25/11 3075 Avenue C Apt 231 Billings MT 59102 Luigi S. Furnari Address Redacted Luis Alberto Oropeza Address Redacted Luis Cavazos Jr Address Redacted Luisa M Odermann Address Redacted Lukas W Aafedt Address Redacted Luke A Guderjohn Address Redacted Luke D Hauge Address Redacted Luke P Simon Address Redacted LUKENBILL FAMILY PARTNERSHIP 13876 57TH STREET NW Williston ND 58801 Lukes Energy LLC 7114 Bearpath Drive Bismarck ND 58504 Lukes Energy, LLC Billie Jo Lukes 7114 Bear Path Drive Bismarck ND 58504 Lula Jane Seydell Revoc Trust Dtd November 11, 2003 Lula Jane Seydell, Trustee Address Redacted Lula Sharbono PO Box 49 Fairview MT 59221

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 372 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 375 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lum E Jaggars New Mexico Taxation & Revenue Uncalimed Property Office PO Box 25123 Santa Fe NM 87504 Lumberjack Land Services LLC 7865 Wilkinson Way Alpena MI 49707 Luna, Mathew Address Redacted Lund Oil Inc 3605 Fourth Avenue Ne Watford City ND 58854-7001 Lund, Kevin Address Redacted Lunsford, Ryan Address Redacted Lupete Family LP 1005 Fox Hollow Lane Oak Point TX 75068 Luptak Family Mineral Trust Dtd Mary 3, 2014 Alan David Luptak, Trustee Address Redacted Lura B Johns Trust Regions Bank Nrre Operations PO Box 11566 Birmingham AL 35202 LURA DELL BEAN Address Redacted Luree Mercer Address Redacted Luther Bolken Trust Dated May 30, 2014 Sean Hardy - Trustee Address Redacted Luther L Rhoads & Dorothy Rhoads Address Redacted Luther Larson L/E Address Redacted Luther Memorial Home 503 Benzel Ave Sw Madelia MN 56062 Luther Minerals LLC 5713 Soapberry Dr Keller TX 76244 Luther, Les Address Redacted Lutheran Care For The Aging 1031 Franklin St San Francisco CA 94109 Lutheran Church Extension Fund 10733 Sunset Office Dr Ste 300 St Louis MO 63127 Lutheran Church Of The Resurrection 1100 Las Gallinas Ave San Rafael CA 94903 Luvaas Farm Legacy Minerals LLC 3464 Monte Moro Rd Kingman AZ 86401 Luverne A Langerock Roth IRA Address Redacted Luverne C Peterman Address Redacted Luyi Wang Address Redacted Luz Goes Address Redacted Luzerne Investment Group LLC 2898 S Lakeridge Trail Boulder CO 80302

Lyal & Sybil Purcell Family Tr Sharon P Rediess Trustee Address Redacted Lyall Ryden Address Redacted Lyda J Aune Address Redacted Lydetta Kay Jackson Address Redacted Lydia Cady Irwin Address Redacted Lydia Frank Krebs Mineral Trst Address Redacted Lydia Frank Krebs Mineral Trst Lydia Frank Krebs &Floyd Frank Trustees Address Redacted Lydia M Boltz Address Redacted Lydia M Fewless Address Redacted Lydia Sloan Address Redacted Lyenda F Pearl Address Redacted Lyjean Smith Address Redacted Lyla Ableidinger Address Redacted Lyla Semenko Address Redacted Lyla Tracey Address Redacted Lyla Van Alstine Address Redacted Lyle & Dorothy Krogedal Life Estate Address Redacted Lyle A Carlson And Sharon Carlson Jtwros Address Redacted Lyle And Joyce Bjerke Address Redacted Lyle B Gallivan & Mary Boxell Gallivan Jtwros Address Redacted

Lyle B Rogness Jr And Corey Steven Rogness, Jnt Tnts Address Redacted Lyle Babbitt Address Redacted Lyle Bjerke Address Redacted Lyle Bratcher Address Redacted Lyle E Bruins Address Redacted Lyle E Cooley Address Redacted Lyle E Flatland Address Redacted Lyle Edward And Tyna Babbitt Address Redacted Lyle G Heller Address Redacted Lyle Goss Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 373 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 376 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lyle H Ganther &Joan B Ganther Jtwros Address Redacted Lyle Leiseth & Sharon Leiseth, J/T Address Redacted Lyle M Carlson Address Redacted Lyle M Nesseth C/O Deborah T Whelan - Pr Address Redacted Lyle M Page Address Redacted Lyle M Page Testamentary Trust Address Redacted Lyle Meisch Estate C/O Lynne D Meisch Address Redacted Lyle O Erickson Address Redacted Lyle Qualley Tr Dtd 12-5-94 American State Bk Tr, Trustee Address Redacted Lyle R Fogel C/O Theodore Svor Address Redacted Lyle R Henning Address Redacted Lyle R Panasuk Address Redacted Lyle S And Connie J Sponheim Address Redacted Lyle S Swain Address Redacted Lyle Schneider Address Redacted Lyle Stevens Address Redacted Lyle Stevens And Linda Stevens Joint Tenants Address Redacted Lyle Stockert Address Redacted Lylis Schoenborn Address Redacted Lyn Canter Address Redacted Lyn Koch Estate Address Redacted Lynae Harper Address Redacted Lynch Resources Limited Address Redacted Lynda D Scholin Address Redacted Lynda Estes Address Redacted Lynda H Coulter Address Redacted Lynda M Domino Address Redacted Lynda M Gee Address Redacted Lynda Mae Toombs Address Redacted Lynda Plemons Revocable Trust Address Redacted Lynda S Voller Address Redacted Lynda Scott Address Redacted Lynda Thompson Wadlow Address Redacted Lynden A Magnuson Address Redacted Lyndon & Leah Erickson Mineral Trust Lyndon & Leah Erickson - Tr Address Redacted Lyndon Erickson Address Redacted Lyndon Hoiby Address Redacted Lyndon Jay Stewart Address Redacted LYNE ANDRICH Address Redacted Lyne B. Andrich Address Redacted Lynea Olson Address Redacted Lynelle Urlacher Address Redacted Lynette C Rowe Address Redacted Lynette C Wicorek Address Redacted Lynette K Wahlstrom Stoner Address Redacted Lynette Kessel Address Redacted Lynlee Ritchie Address Redacted Lynn & Marlys Loveall Trustees Of The Loveall Family Trust Address Redacted Lynn A Dreyfus Address Redacted Lynn And Judy Stevens Jtwros Address Redacted Lynn B Cook Nora B Cook Address Redacted Lynn Cenite Address Redacted Lynn Coates Address Redacted Lynn E Blott Tr UA 04/09/2010 Address Redacted Lynn E Torrini Address Redacted Lynn Engum Address Redacted Lynn Fowler Address Redacted Lynn Franklin Cowden Address Redacted Lynn Githens Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 374 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 377 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Lynn H Nelson Mike Nelson & Karen Kensok Co- Guardians & Co-Conservators Address Redacted Lynn Harmon Dodge Address Redacted Lynn Houde Address Redacted Lynn J Bollen Address Redacted Lynn L Beecher Address Redacted Lynn L Tweden Address Redacted Lynn Lohse Address Redacted Lynn Louise Kelly Address Redacted Lynn M Grosulak Address Redacted Lynn M Johnson Address Redacted Lynn M Rosser Address Redacted Lynn Marie Folkedahl Address Redacted Lynn N Foottit Address Redacted Lynn R Baker Address Redacted Lynn R Johnson Address Redacted Lynn R Morgenson Address Redacted Lynn R Ranum Address Redacted Lynn S Gatewood Address Redacted Lynn Schilling Address Redacted Lynn Shelmerdine Address Redacted Lynn Simonsen Trustee Of The Lynn Simonsen Family Trust U/A/D 11/9/05 Address Redacted Lynn T Mikel Address Redacted Lynn W Aas Address Redacted Lynn Walworth Address Redacted Lynn William Noteboom Address Redacted Lynn Wold Address Redacted Lynn Wold Life Estate Address Redacted Lynn Wold Trust James D Renbarger Trustee Address Redacted Lynn, Kasey Address Redacted Lynne B Kelly & James D Kelly Address Redacted Lynne C Parsley Address Redacted Lynne Dreyer Address Redacted Lynne Ginsberg Address Redacted Lynne K Ebner Address Redacted Lynne K Ebner Revocable Trust Dtd 12/17/12 Lynn K Ebner Ttee Address Redacted Lynne Levine Address Redacted Lynne Lind Address Redacted Lynne W Phillips Trust Lynne W Phillips Trustee Dtd 5/11/99 Address Redacted Lynne Wetzell Address Redacted Lynne Young Address Redacted Lynnel Laport Address Redacted Lynnette M Evanson Address Redacted Lynora Harris L/E Address Redacted Lyntegar Electric Coop Inc. 1701 US 87 Frontage Rd Tahoka TX 79373 Lyntegar Electric Coop Inc. Po Box 970 Tahoka TX 79373 LYNTEGAR ELECTRIC COOP INC. PO BOX 970 Tahoka TX 79373 Lynx Oil Company 9736 W Swarthmore Drive Littleton CO 80123 LYNX OIL COMPANY 9736 W SWARTHMORE DRIVE Littleton CO 80123 Lyon M Greenberg Address Redacted LYONS PETROLEUM, INC. ATTN: R.J. DAVENTPORT 1506 BECK BUILDING 400 TRAVIS STREET Shreveport LA 71101 Lytle Revocable Trust Andrew F & Laura L Lytle - Trustees Address Redacted M & A Nygaard Family Trust Alton M Nygaard - Co- Trustee Address Redacted M & C Energy LLC 6024 Tranquil Circle Bismarck ND 58503 M & C ENERGY LLC 6024 TRANQUIL CIRCLE Bismarck ND 58503 M & C ENERGY, LLC PO BOX 1448 Sidney MT 59270 M & E Trucking LLC 2121 1st Ave Greeley CO 80631 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 375 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 378 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country M & E Trucking LLC 3600 49th St Greeley CO 80634 M & J Service Inc PO Box 108 Sidney MT 59270 M & M Energy Inc PO Box 1448 Sidney MT 59270 M & M ENERGY INC PO BOX 1448 Sidney MT 59270 M & M GEODIGITAL SERVICES INC 8272 DUDLEY WAY Arvada CO 80005 M & S Electric Motor Repair 17192 N Frontage Road Fort Morgan CO 80701 M & W Mineral Brokers LLC PO Box 1328 Dickinson ND 58602 M & W MINERAL BROKERS LLC 4965 2ND ST SW Dickinson ND 58601 M Brad Bennett Address Redacted M Code LLC 5744 E Joshua Tree Lane Paradise Valley AZ 85253 M CODE LLC 5744 E JOSHUA TREE LANE Paradise Valley AZ 85253 M Cullum Thompson Jr 3541 Rankin Dallas TX 75205 M D Bryant Family Trust Texas State Bank, Trustee Address Redacted M D White Trust B E White - Trustee Address Redacted M D White Trust C/O B E White Trustee Address Redacted M Dennis Brush Address Redacted M Dolly Williams Address Redacted M E Greer Address Redacted M Elaine Smiley Living Trust Address Redacted M Glenn Kolodejchuk Address Redacted M Heather Macmaster Address Redacted M I Ashby Address Redacted M I ASHBY M E GREER Address Redacted M Johanna Rickl Address Redacted M Joseph Knopik Address Redacted M Joseph Redetzke & Barbara Jane Redetzke Ttees Address Redacted M K Hodo Address Redacted M K Weeden Construction Inc PO Box 1164 Hwy 87 West Lewistown MT 59457 M Kathryn Heitkamp Address Redacted M L Bowman Inc Dba Road Runner Po Box 888 Thermopolis WY 82443 M O Johnston Irrevocable Trust Lori L Johnston Succ Ttee Address Redacted M R Westfall Family Rev Trust Matthew Westfall Co Trustee Mary Westfall Co Trustee Address Redacted M S Chastain Land LLC 401 Metairie Road #519 Metairie LA 70005-4304 M Schwartz LLC 1 C/O Mark Schwartz PO Box 385 Hallettsville TX 77964 M Scott Ervin Address Redacted M Scott Homsher Prima Expl Inc - Nominee Address Redacted M Sue Bruce Declaration Of Tr Dtd 1/30/15 M Sue Bruce & Clifford R Bruce Sr Co-Ttees Address Redacted M Susan Travis Trust M Susan Travis Ttee Address Redacted M W Minerals At La LLC 5920 East Ridge Dr Shreveport LA 71106 M Welland Green Consultants 1321 Upland Dr Houston TX 77043-4718 M Willard Olson Lvg Tr 9-25-98 M Willard & Violet Olson Ttees Randall Olson Aif Address Redacted M&C ENERGY LLC 721 BOREN BLVD Semiinole OK 74868 M&C ENERGY, LLC 6024 TRANQUIL CIRCLE Bismarck ND 58503 M&G Rental Tools Company PO Box 1183 Kermit TX 79745 M&H Enterprises Inc 19450 Hwy 249 Suite 600 Houston TX 77070 M&M ENERGY, INC. PO BOX 1448 Sidney MT 59270 M&N Sprinklers And More 204 5th Street Ne Watford City ND 58854 M. Bradley Iverson Address Redacted M.R.R. Enterprises, LLC Address Redacted Ma - Minerals LLC PO Box 3759 Manhattan Beach CA 90266 Mabel Ann Sherman Address Redacted Mabel B Swenson Family Revocable Trust Dtd 8/6/97 Address Redacted Mabel Bowman C/O Rudy Barstad Address Redacted Mabel C Sletten Address Redacted Mabel Gunderson Address Redacted Mabel H Renz Address Redacted Mabel Hassinger Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 376 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 379 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mabel Howell Address Redacted Mabel Jane Hagen Richard J Hagen Poa Address Redacted Mabel Labonte Faith Kalberg Poa Address Redacted Mabel Lee C/O John Freeman Address Redacted Mabel M Flatt Estate Kathleen Patricia Fratzke - Pr Address Redacted Mabel Talle Murphy Estate Address Redacted Mable G Stevens Trust-Deceased J Daniel O Donnell Trtee Address Redacted Mac Jones Address Redacted Attn: Maria Monica Margarita L Macadamia Group LTD Escobar de Restrepo 1010 Brickell Avenue, Apt 3104 Miami FL 33131 Macadamia Group LTD Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 Macdonagh Family Trust L Peter & Elizabeth Macdonagh Trsts Address Redacted Macdonald & Miller Mineral Legal Services Pllc PMB 229 6905 S 1300 E Cottonwd Hts UT 84047-1817 Macera, Debra Address Redacted MACFEE O&G 3659 BLUE LAKE DR Spring TX 77388 MACFEE OIL & GAS 3659 BLUE LAKE DR Spring TX 77388 Macfee Oil & Gas LLC 3659 Blue Lake Dr Spring TX 77388 MACFEE OIL & GAS LLC 3659 BLUE LAKE DR Spring TX 77388 MACFEE OIL AND GAS LLC P O BOX 597 Bismarck ND 58502 Mack, Joey Address Redacted Mackenzie Briggs Address Redacted COMMERCE COURT WEST, MACKIE RESEARCH CAPITAL CORPORATION/ TONY RODRIGUES SUPERVISOR 199 BAY STREET SUITE 4600 Toronto ON M5L 1G2 Canada Commerce Court West, Suite Mackie Research Capital Corporation/CDS** Attn: Corporate Actions 199 Bay Street 4600 Toronto ON M5l 1g2 Canada Commerce Court West, Suite Mackie Research Capital Corporation/CDS** Attn: Vishnu Santhakumar 199 Bay Street 4600 Toronto ON M5l 1g2 Canada Commerce Court West, Suite Mackie Research Capital Corporation/CDS** Tony Rodrigues Supervisor 199 Bay Street 4600 Toronto ON M5l 1g2 Canada Mackoff Kellogg Law Firm 38 2nd Ave E, Suite A Dickinson ND 58601 Macpac Package & Mail Depot 1404 N. Big Spring Midland TX 79701 Macs Hardware C/O Blue Tarp Financial Inc Po Box 105525 Atlanta GA 30348-5525 Macs Inc 5970 50th Ave S Moorhead MN 56560-6011 Maddox Family Trust L Lowry Mays Successor Ttee Address Redacted Madelia Community Hospital 121 Drew Ave Se Madelia MN 56062 Madeline Delores Bishop PO Box 815 Beach ND 58621 Madeline Hart Address Redacted Madeline S Chastain Address Redacted Madelyn Lesser Address Redacted Madison Cap Enr Inc Fun Iii LP 402 Gammon Place Suite 200 Madison WI 53719 Madison Capital Energy Income Fund Ii LP 402 Gammon Pl Ste 200 Madison WI 53719 Madison, Michael Address Redacted Madonna Logosz Address Redacted Madonna Mae Berger Tonette Beach - Poa Address Redacted Madonna R Peterson Address Redacted Madreene Fish Garrison Address Redacted Madrona Energy Inc PO Box 1417 Bellaire TX 77402-1417 Mae Jean Chandler Hines Address Redacted Mae Mcdanold Address Redacted Mae Tollefson Address Redacted Maecenas Minerals LLP 3838 Oak Lawn Ave Ste 300 Dallas TX 75219-4541 Maecenas Minerals LLP 3838 Oak Lawn Avenue Suite 300 Dallas TX 75219-4541 Maegen Jay Morrison Address Redacted Maes, Daniel Address Redacted Magdalena Hewson Address Redacted Magdalene Dolyniuk Address Redacted Maggie L Nelson Heirs C/O Mrs Bill Tucker Address Redacted Maggie Wilbur Address Redacted Magic City Garage Door Co 1717 VALLEY ST Minot ND 58701 Magic Dog Oil & Gas Ltd PO Box 10708 Midland TX 79702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 377 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 380 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MAGIC DOG OIL & GAS LTD PO BOX 10708 Midland TX 79702 Magic M & R LLC 1720 South Bellaire St Suite 1209 Denver CO 80222 Magic Merlin Energy Investment PO Box 2309 Bend OR 97709 MAGIC MERLIN ENERGY INVESTMENT PO BOX 2309 Bend OR 97709 MAGIC MERLIN ENERGY INVESTMENTS, LLC PO BOX 2309 Bend OR 97709 Magna Iv Engineering Inc 96 Inverness Dr East, Unit R Englewood CO 80201 Magna Trust Co Trtee Of Parish Fund Ftbo Centralia Foundation Address Redacted Magnatex Corporation Midland TX 79701 Magnetic Variation Services Dept #41950 Po Box 650823 Dallas TX 75265-0823 Magnetic Variation Services Llc 1050 17th St Ste 1700 Denver CO 80265-2077 MAGNETIC VARIATION SERVICES LLC DEPT. # 41950 PO BOX 650823 Dallas TX 75265-0823 Magnolia Petroleum, Inc PO Box 140660 Broken Arrow OK 74014 Magnolia Pump & Supply Co Hwy 79 North Po Box 1071 Magnolia AR 71754-1071 Magnum Electric 471 Christianson Dr W West Fargo ND 58078 Magnum Oil Tools Intl Ltd PO Box 734582 Dallas TX 75373-4582 Magnum Solvent Inc 470 Magnum Dr N E Kalkaska MI 49646 Magnuson, Cameron Address Redacted Maguire Oil Company 5950 Berkshire Lane Ste 1500 Dallas TX 75225-5846 MAGUIRE OIL COMPANY 5950 BERKSHIRE LANE STE 1500 Dallas TX 75225-5846 Mahlum, Chad Address Redacted Mahylen Niles Address Redacted Maianne Tan Address Redacted Maier, Rick Address Redacted Maier, Terrance Address Redacted Main Street Energy Company LLC PO Box 101416 Fort Worth TX 76185 Mainstay Legal 325 N Saint Paul St Ste 1400 Dallas TX 75201 Mainstream Investors LLC 2501 6th St Ste B Minot ND 58701 MAINSTREAM INVESTORS LLC 2501 6TH ST STE B Minot ND 58701 Maintenance Contracting LLC 4404 Mitchell Rd Se Kalkaska MI 49646 Mainwright Holdings LLC 7290 Virginia Pkwy Ste 3200 Mckinney TX 75071 Maisie Marie Alford 2123 17th St Lubbock TX 79401 MAISON BLANCHE (MB) SEISMIC LLC 11011 RICHMOND AVENUE SUITE 225 Houston TX 77042 Majbal Address Redacted Majestic Properties LLC 6455 County Road 4068 Kemp TX 75143 Mak Energy Inc 751 Horizon Court Ste 105 Grand Junction CO 81506-8718 Make Fabrication LLC 305 Velasco St Houston TX 77003 Make-A-Wish North Dakota 4143 26th Ave S Ste 104 Fargo ND 58104 Makelky, Owen Address Redacted Mak-Tek Sales & Service Inc 1254 West Cedar Ave Ste 200 Denver CO 80223 Malatare, Cheryl Address Redacted Malcolm Reed Ventures LP C/O Laurie Rossman President 713 Wsw Loop 323 Suite 11 Pmb 113 Tyler TX 75701 Malina Family Trust Ben H Malina Jr - Trustee Address Redacted Malissa Schroeder Address Redacted Mallinson, Marnie Address Redacted Mallory Safety & Supply LLC PO Box 2068 Longview WA 98632 Mallow Family Trust Jo Ann Peterson & Paulette Kay Mallow - Co-Trustees Address Redacted MALLOY ELECTRIC BEARING SUPPLY 809 WEST RUSSELL Sioux Falls SD 57104-1391 Malloy Electric Bearing Supply Address Redacted Malm Family Irrevocable Trust Dtd 2-24-15 Reed K & Marianna Malm - Tr Address Redacted Malm, Joshua Address Redacted Malone, Matthew Address Redacted Maloney, Elizabeth Address Redacted Maloni Fox Address Redacted Malten Estate Limited Address Redacted Malten Estate Limited c/o Luis Mercado 9130 S. Dadeland Blvd Suite 1702 Miami FL 33156 Malten Estate Limited Address Redacted Mamie C Fisher Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 378 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 381 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mamie Friedman Test Trst Lory Friedman Goggans Sep Trst Address Redacted Mamie Sigmon Address Redacted 8180 GREENSBORO MANAGER ASHLEY THEOBALD FOLIO INVESTMENTS, INC. DRIVE 8TH FLOOR Mclean VA 22102 MANAGER LANCE WELLS FIFTH THIRD BANK 5001 KINGSLEY DRIVE MAIL DROP 1MOB2D Cincinnati OH 45227 Manager Of Finance Treasury Division Po Box 17420 Denver CO 80217-0420 Mangel Family Tr Dtd 9-11-09 Dwight And Jane Mangel Co-Trustees Address Redacted Maniel A Cochran Address Redacted Mann Enterprises LLC PO Box 1371 New Town ND 58763 Mann Family Mineral Trust Dtd 11-1-96, Marvin Mann And Daryl L Mann, Co-Trustees Address Redacted Mann Revocable Trust Texas Commerce Bank Box 5291 San Angelo TX 76902 Manns Plumbing & Heating LLC 1452 14th St Sw Dickinson ND 58601 Mansfield, Deedra Address Redacted Mantelli, Justin Address Redacted Manuel Cavazos Iv Address Redacted Manuel Hernandez Address Redacted Manufacturers And Traders Trust Comp Tony Lagambina One M&T Plaza-8th Floor Buffalo NY 14203 Manufacturers And Traders Trust Company Tony Lagambina One M&T Plaza-8th Floor Buffalo NY 14203 Manufacturers' News Inc 1633 Central St Evanston IL 60201-1569 Manwaring, Scott Address Redacted Map Resources Inc PO Box 2836 Midland TX 79702 Map Trucking LLC PO Box 611 Duchesne UT 84021 Map00-Net, Texas General Part C/O Minerals Acq Partners, Inc PO Box 268947 Oklahoma City OK 73126 Map2003 - Net, an OK General Partnership 101 N. Robinson Ste 1000 Oklahoma City OK 73102 Map2003-Net PO Box 268947 Oklahoma City OK 73126-8947 Map2004 - OK, an OK General Partnership Map2004 - OK 101 N. Robinson Ste 1000 Oklahoma City OK 73102 Map2004-Ok PO Box 269031 Oklahoma City OK 73126-9031 Map2006 - OK, an OK General Partnership Shannon Madde 101 N. Robinson Ste 1000 Okl OK 73102 Map2006-Ok PO Box 268988 Oklahoma City OK 73126-8988 MapFCB13-Net 101 N. Robinson Ste. 1000 Oklahoma City OK 73102 Mapfcb13-Net P O Box 268988 Oklahoma City OK 73126 Maple Leaf Marketing Inc PO Box 216 Andrews TX 79714 Maple Valley Township 3830 Wilcox Rd Brown City MI 48416 Mapoo-Net, an TX General Partnership Shannon Madole 101 N Robinson Ste 1000 Okc OK 73102 MAPR PMB 373 231 Market Pl San Ramon CA 94583-4743 Mapula, Tamara Address Redacted Mara C Schriver Address Redacted Maralys A Kulstad Address Redacted MARATHON OIL SUSAN LEWIS, POA PO BOX 732312 Dallas TX 75373 Marathon Oil Co - Ibm PO Box 669 Houston TX 77001-0669 c/o Bonds Ellis Eppich Schafer Jones 420 Throckmorton St., Suite Marathon Oil Company LLP Attn Bryan C Assink 1000 Fort Worth TX 76102 c/o Bonds Ellis Eppich Schafer Jones 420 Throckmorton Street Marathon Oil Company LLP Attn Clay M. Taylor & Bryan Assink Suite 1000 Fort Worth TX 76102 Attn: Clay M. Taylor & Bryan C. Marathon Oil Company c/o Ellis Eppich Schafer Jones LLP Assink 420 Throckmorton Street Suite 1000 Fort Worth TX 76102 John Morrison Paul J. Forster Marathon Oil Company Crowley Fleck PLLP Joshua B. Cook 100 West Broadway # 250 Bismarck ND 58502 Marathon Oil Company Paula Britton 5555 San Felipe Room 2523 Houston TX 77056 Marathon Oil Company PO Box 732312 Dallas TX 75373-2312 MARATHON OIL COMPANY SUSAN LEWIS, POA PO BOX 732312 Dallas TX 75373 Marathon Oil Company Susan Lewis, Poa PO Box 732312 Dallas TX 75373 MARATHON PETROLEUM COMPANY, LPd/b/a C/O CT Corporation SystemRegistered MARATHON PETROLEUM LP Agent 120 W. Sweet Avenue Bismarck ND 58504 Marc A & Carol J Campbell Address Redacted Marc Cherry (Indvidual Retirement Account) Address Redacted Marc Cherry: Christy Cherry Cjt Ten/Wros) 1357 W Hopbush Way Tucson AZ 85704 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 379 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 382 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marc D Coulam Address Redacted Marc L Jarmin Address Redacted Marc Steven Homme Address Redacted Marc Swanson Address Redacted Marc Thomas Mahtook Address Redacted Marcee J Allen Address Redacted Marceil Malak Address Redacted Marcela Kotula Address Redacted Marcella & Gene Hilleren Mineral Trust - First International Bank & Trust -Tr Address Redacted Marcella Bernier Address Redacted Marcella Blasi C/O David Blasi Address Redacted Marcella Deisz Life Estate Address Redacted Marcella E Petersen Address Redacted Marcella Haworth Address Redacted Marcella Hilleren Address Redacted Marcella J Abernethy & Robert B Abernethy H/W Address Redacted Marcella J Mischel Address Redacted Marcella S Simpson Living Trus 4/5/1999 Ry Address Redacted Marcella Smith Address Redacted Marcey Gillespie Hilary G George Aif Address Redacted March Of Dimes Attn: Matching Gifts Program 1550 Crystal Dr Ste 1300 Arlington VA 22202 March Ranch LLC C/O Texas Bank, Trust Dept PO Box 3782 San Angelo TX 76902

Marchbanks Childrens Trust Troy G Marchbanks Trustee Address Redacted Marchi & Edwards Enterprises Inc 40979 Valley View Dr Polson MT 59860 Marcia A Gonzales Address Redacted Marcia Ashkanazy Address Redacted Marcia E Safely Address Redacted Marcia Fuller French Address Redacted Marcia G Farrell Address Redacted Marcia Holas Address Redacted Marcia J Fidler Address Redacted Marcia K Hansen Address Redacted Marcia L Mcnulty Address Redacted Marcia M Lewis Address Redacted Marcia Metschke Address Redacted Marcia N Anderson Rev Trust 9/18/09 Marcia N Anderson Ttee Address Redacted Marcia Reigstad Address Redacted Marcia S Hunt And Joseph W Hunt Jr Joint Tenants Address Redacted Marcia Weinberg Address Redacted Marcie Greenman Address Redacted Marcin Production LLC PO Box 597 Bismarck ND 58502 MARCIN PRODUCTION LLC PO BOX 597 Bismarck ND 58502 MARCIN PRODUCTION, LLC PO BOX 597 Bismarck ND 58502 Marco Minerals PO Box 597 Bismarck ND 58502-0597 MARCO TECHNOLOGIES LLC P.O. BOX 790448 St Louis MO 63179 Marco Technologies LLC PO Box 790448 St Louis MO 63179-0448 Marcus D Lee Address Redacted Marcus D Mccloud Address Redacted Marcus Duane Kimball C/O Mildred Kimball Address Redacted Marcy A Laabs Address Redacted Marcy Hellman Address Redacted Marcy Kaye Nickeson Address Redacted Marcy Mcknight Darsey Address Redacted Mardella M French Address Redacted Mardy Damm Address Redacted Maree R Ryan Address Redacted Maren Monika Maier Address Redacted Marentette Family Trust Dtd 5-19-16 - Richard P & Sandra M Marentette - Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 380 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 383 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Margaret & Darby Haugen Jtwros Address Redacted Margaret & Desmond Bonnington Jtwros Address Redacted Margaret A & Brian A Haugen Jtwros Address Redacted Margaret A Batterton Address Redacted Margaret A Sandvik Address Redacted Margaret A Slemaker Ttee Richard W Slemaker Jr & Margaret A Slemaker Rev Liv Tr Address Redacted Margaret A Verdugo Address Redacted Margaret Ailene Sedillo Address Redacted Margaret Anderson Address Redacted Margaret Ann Barnhart Address Redacted Margaret Ann Dean C/O Webster Dean Address Redacted Margaret Ann Lydick Estate Jane Cope Stephanow - Executor Address Redacted Margaret Ann Mayer Address Redacted Margaret Ann Powell Address Redacted Margaret Ann Slemaker, Trustee Of The Richard W Slemaker Jr & Margaret A Address Redacted Margaret Aspenleiter Address Redacted Margaret Aspenleiter & Leo Aspenleiter Address Redacted Margaret B Grace Address Redacted Margaret B Merritt Address Redacted Margaret Bottke Address Redacted Margaret C Hamilton Life Tenant Address Redacted Margaret Cecile Oboyle Address Redacted Margaret D Denowh Life Tenant Address Redacted Margaret D Webster Address Redacted Margaret Deming Address Redacted Margaret Douville Address Redacted Margaret E Bryan Address Redacted Margaret E Meenan Address Redacted Margaret E Smith-Wiebenga As Trustee Of The Margaret Messler Address Redacted Margaret Eaby Address Redacted Margaret Farnam Estate Address Redacted Margaret Fedje Address Redacted Margaret Fleckenstein Darla O Morgan, Or Saundra Mclarney, As Guardians Address Redacted Margaret Foster Address Redacted Margaret Furrh Green Address Redacted Margaret G Page Address Redacted Margaret Greisberger Address Redacted Margaret H Loeffler Address Redacted Margaret H Sweeney Address Redacted Margaret Haley Lowe Address Redacted Margaret Haugen Address Redacted Margaret Heidt & Diane Schutts, Joint Tenants Address Redacted Margaret Helen Dzubur Estate C/O Eric G. Dzubur, Pr Address Redacted Margaret Hoelscher Address Redacted Margaret I Schmitt Address Redacted Margaret I Steinbeck Address Redacted Margaret J Andersen Address Redacted Margaret J Erikson Address Redacted Margaret J Fishbaugher Address Redacted Margaret J Fullen Address Redacted Margaret J Rowley Ttee Margaret J Rowley Trust Address Redacted Margaret Jean Hutcheson Address Redacted Margaret Jean Rowley Address Redacted Margaret Jean Seeley Robert J Seeley Jt Address Redacted Margaret Jilek Address Redacted Margaret Joann Miller Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 381 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 384 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Margaret Joanne Herberger O'Brien Aka Margaret H O'Brien Address Redacted Margaret K Joseph Address Redacted Margaret K Mcfee Address Redacted Margaret Kathrine Brophy Address Redacted Margaret Khan Address Redacted Margaret Kittelson Address Redacted Margaret Krushensky Family Tr Scott L Krushensky And Jay V Krushensky, Succ Ttees Address Redacted Margaret L Gallivan Address Redacted Margaret L Hardmeyer Address Redacted Margaret L Reed Address Redacted Margaret L Sonsalla Address Redacted Margaret Larson Address Redacted Margaret Lee Mullins Mineral Trust - Tracy Mullins - Tr Address Redacted Margaret Lee Mullins Minl Trst Margaret Lee Mullins, Ttee C/O Erin Scott Address Redacted Margaret Lewis Jones Address Redacted Margaret Lindsay Dunn Address Redacted Margaret M Aretha Rev Tr Dtd 9-30-96 - Keith M & Kristine Aretha - Co-Tree Address Redacted Margaret M Aretha Trust Dtd 9-30-96 - Keith & Kristine Aretha - Co Trustees Address Redacted Margaret M Czajka Address Redacted Margaret M Fox Address Redacted Margaret M Gorman Address Redacted Margaret M Keresey Address Redacted Margaret M Landmark Address Redacted Margaret M Mckennett Address Redacted Margaret M Steffes Address Redacted Margaret M Wanner Heck Life Estate Address Redacted Margaret Marie Zaring Address Redacted Margaret Marohl Address Redacted Margaret Mary Descamp Address Redacted Margaret Mary Heraty 2010 Tr Dtd 08-03-10 Peter J Heraty Trustee Address Redacted Margaret Mary Stroock Address Redacted Margaret Mary Wall Ross Address Redacted Margaret Mercier Mcdonald Address Redacted Margaret Mildred Renbarger Address Redacted Margaret Miller Carrico Address Redacted Margaret Nelson Address Redacted Margaret Nelson Irrevocable Trust Dated 3/28/13 Fbo David Mark Johnson Address Redacted Margaret Nelson Irrevocable Trust Dated 3/28/13 Fbo Jean L Young Address Redacted Margaret Nelson Irrevocable Trust Guaranty Bank & Trust- Trustee Address Redacted Margaret O'Connor Address Redacted Margaret Oconnor Franzen Address Redacted Margaret Odermann Mougey Address Redacted Margaret P Orr Address Redacted Margaret Pace Duckett Address Redacted Margaret Patten Address Redacted Margaret Pollington Address Redacted Margaret R Grosulak Address Redacted Margaret R Hare Address Redacted Margaret R Ryan Address Redacted Margaret R Ryan Trust Frist Trust Co Of Montana - Tr Address Redacted Margaret R Sweeney C/O Mendocino Cty Public Guard Address Redacted Margaret R Tweten Address Redacted Margaret Reger Trust C/O Montana Oil Properties Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 382 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 385 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Margaret Rice Murray Address Redacted Margaret Roddy Address Redacted Margaret Rost Address Redacted Margaret Rubey Lynch Address Redacted Margaret S Fuchs Address Redacted Margaret Schneider Sass Address Redacted Margaret Steffan Address Redacted Margaret Steffan Fmly Minl Trs Eric Steffan - Trustee Address Redacted Margaret Steffek Address Redacted Margaret Stenehjem Totdahl Address Redacted Margaret Sue Schroeder Trust C/O Jpmorgan Chase Bank Address Redacted Margaret T Boteler Rev Tr Margaret T Boteler Trustee Address Redacted Margaret T Van Schaick Trst Brett W Senior Trustee David L Van Schaick Trustee Address Redacted Margaret Thompson Neer Address Redacted Margaret Tower Address Redacted Margaret V Mccann Ii Address Redacted Margaret Verplancke Family Tr American State Bk & Tr Co Ttee Address Redacted Margaret W Rosental Address Redacted Margaret West Address Redacted Margaret Westerberger Barnard C/O Lakes Regional Health Care Address Redacted Margaret Williams Address Redacted Margaret Winhofer Address Redacted Margaret Z Huebbe Address Redacted Margarita O Nesseth Address Redacted Marge Anderson Address Redacted Margery A Hubbard Address Redacted Margery H Peterson Address Redacted Margie Ann Lewis Address Redacted Margie Ellen Newman Address Redacted Margie Jo Williams Fam Trust Judy Gail Lanpheir Or Kathy Jane Aiello Trustees Address Redacted Margie L Brabec Address Redacted Margie M Mesler Address Redacted Margie N Kvinta Address Redacted Margie Peterson Address Redacted Margit L Chase Address Redacted Margo Bailey Address Redacted Margo E Lyons Address Redacted Margo Halverson Address Redacted Margo J Askin Address Redacted Margo J Huber Address Redacted Margo M Bailey Life Estate Address Redacted Margo S Harrison Heather H Walsh Aif Address Redacted Margot Ann Grant Address Redacted Margot D Stone C/O Jonathan D Arms Address Redacted Margret C Dwyer Sell Address Redacted Margret Tomlinson Address Redacted Marguerite K Timbel Address Redacted Margueritte S Smith Address Redacted Mari Falkenhagen Address Redacted Mari J Ambjor Address Redacted Mari Kim Zastoupil Address Redacted Mari Monahan Address Redacted Maria A Berglund Address Redacted Maria Alice Silva-Amey Address Redacted Maria Angelica Espinosa & Justin Barkley Address Redacted Maria Axtman Address Redacted Maria C Theisen Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 383 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 386 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Maria D Keddis Address Redacted Maria Denise Pasquali Address Redacted Maria G Hofer Address Redacted Maria Kaduc Address Redacted Maria Moors Address Redacted Maria Polanchek Address Redacted Maria Rochfort Heron (Forwarding Order Exp 3/2/95) Unlocatable Address Redacted Maria S Dowhaniuk Address Redacted Maria Theresita C Francisco Address Redacted Marian Aho Address Redacted Marian And William Rude Address Redacted Marian B Stewart Address Redacted Marian Bernice Rovang- Rude Address Redacted Marian C Berger Address Redacted Marian Eide Le Address Redacted Marian Hamilton Address Redacted Marian K Lindemann Management Trust - Marian, Howard & Harold Lindemann - Trustees Address Redacted Marian L Brown Address Redacted Marian L Iverson Address Redacted Marian Lavern Molinar Address Redacted Marian Lisa Stern Address Redacted Marian Mcintee Trust First National Bank & Trust Co. Address Redacted Marian Oakland Address Redacted Marian Rubey Trust U/W Wm B Rubey Sr Cadence Bank - Trustee Address Redacted Marian Stella Spotted Bear Address Redacted Marian V Bonin Address Redacted Marian Wood Address Redacted Mariane Anderson Address Redacted Marianne Clay Address Redacted Marianne Hoadley Nystrom Address Redacted Marianne K Russel Address Redacted Marianne Kay Oliver Address Redacted Marianne Kay Spurgeon Address Redacted Marianne Meyer Address Redacted Marianne S Sawyer Address Redacted Marianne Schmitt Address Redacted Marianne Sowers Address Redacted Marianne Timblin Address Redacted Marianne Windrow Address Redacted Marianne Woodard Trust Marianne Woodard Trustee Address Redacted Marianthi Papa Constantinu Address Redacted Marias Land Company PO Box 502 Shelby MT 59474 Maribeth M Hoff Estate Ryan L Hoff, Personal Rep Address Redacted Marie A Bakke Address Redacted Marie A Lind Trust Frank B Iacovangelo Ttee Address Redacted Marie A Marsh Life Estate Address Redacted Marie A Peterson Address Redacted Marie And Marian K Mccashen Joint Tenants Address Redacted Marie B Nugent Colleen Holly P Callia Aif Address Redacted MARIE B NUGENT, COLLEEN HOLLY P CALLIA AIF Address Redacted Marie Bolton Address Redacted Marie C Walsh Address Redacted Marie Dobbs Barnes Address Redacted Marie Dwyer Address Redacted Marie E Zander Trust Gary Lee Zander, Trustee Address Redacted Marie Ellen Price Address Redacted Marie Fossen Address Redacted Marie J Finkbeiner Trust Sandra L Frank Trustee Address Redacted Marie Jeanne Everett Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 384 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 387 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marie Klint Address Redacted Marie L Meschke Address Redacted Marie M Scott Address Redacted Marie Mantikas Address Redacted Marie Piette Address Redacted Marie S Sette Address Redacted Marie Schilling Estate Address Redacted Marie Sommers Address Redacted Marie T Fahey IRA c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Marie Ukestad Address Redacted Mariel Damaskin Address Redacted Mariel Rieger Address Redacted Marietta (Snider) Oneill Revocable Trust Marietta Oneill Trustee Address Redacted Marietta C Nicholas Exempt Trt Marietta Crain Nicholas Trtee Address Redacted Marietta Huckstep Address Redacted Marietta Huckstep Life Estate Address Redacted Marietta M Clemens Address Redacted Marietta Royalty Corp Address Redacted Marijean H Mccallum & Dale J Mccallum Address Redacted Marijon Harrison Hudson Address Redacted Marilee Ennis Address Redacted Marilee Montgomery Address Redacted Marilou Fetrow Address Redacted

Marily Bryant Deborah Hjelmeland & Rosella Weston Poa Address Redacted Marilyn A Mcintosh Trustee Under Irrevocable Trust Address Redacted Marilyn A Skavlem Address Redacted Marilyn A Zelle Address Redacted Marilyn Bakken Address Redacted Marilyn Barrett Address Redacted Marilyn Bennett Alexander Address Redacted Marilyn C Mcginley Address Redacted Marilyn C Wedeking Address Redacted Marilyn Carlson Address Redacted Marilyn Carol Voldseth Address Redacted Marilyn F & Allen J Goetz Address Redacted Marilyn Foss Address Redacted Marilyn G Focht Hondl Address Redacted Marilyn Gallagher Address Redacted Marilyn Grasso Address Redacted Marilyn Hess Address Redacted Marilyn Hoblitt Address Redacted Marilyn Holtorf Stevens Address Redacted Marilyn J Boyd Address Redacted Marilyn J Kothmann Address Redacted Marilyn J Olson L/E Address Redacted Marilyn J Samber Address Redacted Marilyn J Talkington Address Redacted Marilyn J Tkach Address Redacted Marilyn Judy Hubbard Address Redacted Marilyn K & David G Mork Life Estate Address Redacted Marilyn K & Norman Hodnefield Address Redacted Marilyn K Bruegger Address Redacted Marilyn K Gaebe Address Redacted Marilyn K Garofano Address Redacted Marilyn K Krogen Address Redacted Marilyn K Oswalt Address Redacted Marilyn K Renault Address Redacted Marilyn Karlsen Address Redacted Marilyn Kay Larson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 385 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 388 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marilyn Kay Ralstin Address Redacted Marilyn L Holland Address Redacted Marilyn L James Address Redacted Marilyn L Van Asche Address Redacted

Marilyn L Van Asche Trust Marilyn L Van Asche - Trustee Address Redacted Marilyn Lindvig Address Redacted Marilyn M Johnson Address Redacted Marilyn M Judson Address Redacted Marilyn M Law Rev Tr Marilyn & James Law Trustees Bokf Na Agent Address Redacted Marilyn M Strange Address Redacted Marilyn Mitzel Address Redacted Marilyn Mork Address Redacted Marilyn Oyhus Address Redacted Marilyn P V Wilke Address Redacted Marilyn Pederson Address Redacted Marilyn Perkins Address Redacted Marilyn Poulson And Kevin Poulson (Jt) Address Redacted Marilyn Querciagrossa Address Redacted Marilyn R Andres Address Redacted Marilyn R Koon Address Redacted Marilyn R Lorimor Trustee Of The Hunt Revocable Trust Dtd 09/06/90 Address Redacted Marilyn R Montgomery Address Redacted Marilyn S Pedersen Address Redacted Marilyn S Phelps Address Redacted Marilyn Schley Raybion Address Redacted Marilyn Stensaker Address Redacted Marilyn Terrell Address Redacted Marilyn W And Allen Kohan Address Redacted Marilyn Wilder Address Redacted Marilyn Word Revocable Trust Amarillo National Bank Ttee Address Redacted Marilyn Y Faux Address Redacted Marilyn& Orlyn Knutson Fam Tst 1St Intl Bank & Trust Trustee Address Redacted Marilyne Elaine Hunt Address Redacted Marina Hlebechuk & Hugh Hlebechuk Address Redacted Mario Dar Address Redacted Marion B & Mildred R Martin Family Mineral Trust First National Bank & Tr - Tr Address Redacted Marion B & Mildred R Martin Family Mineral Trust Marion & Mildred Martin Ttees Address Redacted Marion C Spaziani Trust Fbo Muriel Hults Uw Dtd May 10, 1982 Address Redacted Marion Christie-Campbell Address Redacted Marion E Stanley & Viola M Stanley, H/W Address Redacted Marion I Martin Conservator Marion & Mildred Martin Rev Tr Mildred R Martin Co Trustee Address Redacted Marion J Hughes Address Redacted Marion Jean & Jack Sessions Address Redacted Marion Kostelecky Address Redacted Marion L Eide Le Address Redacted Marion L Erickson Life Estate Address Redacted Marion L Iverson Address Redacted Marion M Evanson Address Redacted Marion Murphy And Douglas D Murphy Address Redacted Marion S Smith Address Redacted Marion T Christie-campbell Address Redacted Marion T Jones Address Redacted Marionette Krogh Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 386 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 389 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marisa Lea Del Mastro Koke Address Redacted Marise M Nath Steve Nath Poa Michael Nath Poa Address Redacted Marisha A Weihe Address Redacted Marissa Gregg Kimberlin Address Redacted Marital Deduction Trust Mary Ann Malone Co-Trustee Stephen S Mark Co-Trustee Address Redacted Marjon Bryan Texas State Bank Of San Angelo Address Redacted Marjorie A Helle-Knight Address Redacted Marjorie A Novotny Address Redacted Marjorie A Palaniuk Address Redacted

Marjorie A Reed Minerals Trust Marjorie A Reed - Trustee Address Redacted Marjorie Andreae Address Redacted Marjorie Ann Pershy Address Redacted Marjorie Appling Ellis Address Redacted Marjorie B Hensen For Life Remainder To Gregory J Hensen Address Redacted Marjorie Baxter Address Redacted Marjorie Brown Address Redacted Marjorie Burdett Address Redacted Marjorie C Jaha Address Redacted Marjorie Decker Address Redacted Marjorie Deming Le Address Redacted Marjorie Doyle Address Redacted Marjorie E Cunningham Address Redacted Marjorie E Garza Address Redacted Marjorie E Odonnell Address Redacted Marjorie E Pedersen Address Redacted Marjorie E Steen Trust Cleo M Nicolaisen Trustee Darla A Jost Trustee Address Redacted Marjorie E Tidwell Address Redacted Marjorie G Peterson Asset Management Trust Dtd 1-9-08 Dakota Comm Bank & Trust - Tr Address Redacted Marjorie H Lemmon Life Estate Address Redacted Marjorie H Loftus Address Redacted Marjorie H Mosser Address Redacted Marjorie H Steakley Address Redacted Marjorie Hanson Lies Address Redacted Marjorie Harp And Alan Harp (Hw) (Le) Address Redacted Marjorie Hoff Address Redacted Marjorie Holtan Address Redacted Marjorie J Davis Living Trust Address Redacted Marjorie Jean G Norwood Address Redacted Marjorie Johanski Estate Address Redacted Marjorie K Nelson Address Redacted Marjorie Kay Heckman Address Redacted Marjorie L Farrell Address Redacted Marjorie L Mclean Address Redacted Marjorie M Brew Address Redacted Marjorie Northrop Friedman C/O Christopher H Jackson Brown Brothers Harriman & Co Address Redacted Marjorie S Anderson Address Redacted Marjorie S Merwin Address Redacted Marjorie Specktor Revocable Tr Dtd 11/3/17 Marjorie Specktor - Trustee Address Redacted Marjorie T Davis & Deasmond W Davis Address Redacted Marjorie V Ballard Address Redacted Marjorie W Huszagh Trst Company & Donal Address Redacted Marjorie Wood Address Redacted Marjory A Carlson Address Redacted Marjory C Heil Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 387 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 390 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mark & Heather Donnelly Address Redacted Mark & Stacie Pomarleau Address Redacted Mark & Yvonne Schmidt Address Redacted Mark + Linda Lapham Co-Trustee U/REV Trust Address Redacted Mark A Belstad Address Redacted Mark A Benson Address Redacted Mark A Berg Address Redacted Mark A Bornholdt Address Redacted Mark A Carlson And Norma Faye Carlson Jtwros Address Redacted Mark A Fairchild Address Redacted Mark A Ficek Address Redacted Mark A Goebel Address Redacted Mark A Humphrey Address Redacted Mark A Lorenz Address Redacted Mark A Mcdermott Address Redacted Mark A Morgan Address Redacted Mark A Olson Address Redacted Mark A Oneal & Associates P O Box 66573 Baton Rouge LA 70896-6573 Mark A Patrick Address Redacted Mark A Schaffer Address Redacted Mark A Schaffer Address Redacted Mark A Shoemaker Address Redacted Mark A Very Address Redacted Mark A Vickstrom Address Redacted Mark A. Schaffer Address Redacted Mark Alan Holder Eric Holder Poa Address Redacted Mark Albert Larsen Address Redacted Mark Allen Dowhaniuk Address Redacted Mark Allen Thompson Address Redacted Mark And Benna Muth Address Redacted Mark And Bette Will Gower Joint Tenants Address Redacted Mark And Gwenn Roberts Address Redacted Mark And Holly Thorson Life Estate Address Redacted Mark Andrews and Company Inc. Attn: Nathan A. Merchant 1900 Dalrock Road Rowlett TX 75088 Mark Arneson Address Redacted Mark B Goldfein Address Redacted Mark B Johnson Address Redacted Mark Bakke Address Redacted Mark Barstad Address Redacted Mark Bertram Murphy Trust Mark B Murphy Trustee Address Redacted Mark Bowen Address Redacted Mark Bowen Attn: Mark V. Larson C/O Larson Law Firm, P.C. 1020 N. Broadway PO BOX 2004 Minot ND 58702 Mark Brown Installation 25092 E 2nd Pl Aurora CO 80018 mark bunselmeyer Address Redacted Mark C Fossum Address Redacted Mark C Legreid Jt Address Redacted Mark C Sherman Address Redacted Mark Carlson Address Redacted Mark Carlton Withers Address Redacted Mark Charles Volesky Address Redacted Mark Cheney Trust Frost Bank, Trustee Address Redacted Mark D Clark Address Redacted Mark D Coleman Address Redacted Mark D Delaney Address Redacted Mark D Rainey Address Redacted Mark D Sonnenfeld Address Redacted Mark D Strickland Address Redacted Mark D Vosper Address Redacted Mark D Woodward Address Redacted Mark Daniel Haggstrom Address Redacted Mark David Tester Address Redacted Mark Deaton Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 388 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 391 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mark Decker Trustee Of The Mark Decker Mineral Trust U/A Dated 5/27/2008 Address Redacted Mark Deming Address Redacted Mark Dordahl Address Redacted Mark E Andersen & Bonnie Macmaster Andersen Family Trust Address Redacted Mark E Fjeld Address Redacted Mark E Gimpl Address Redacted Mark E Gimpl- Suspense Int Address Redacted Mark E Gordon Rev Trust Joan S Gordon & Deborah G Litt Co-Trustees Address Redacted Mark E Irissarri Address Redacted Mark E Jackson Revocable Jt Tr Mark E Jackson Trustee Irene R Jackson Trustee Address Redacted Mark E Paulson Address Redacted Mark E Shoemaker Address Redacted Mark E Thomas Address Redacted Mark Ellis And Shelley Ellis Address Redacted Mark Elvin Njos Address Redacted Mark Erickson Address Redacted MARK ESLASSER Address Redacted Mark Falter Address Redacted Mark Fjare Address Redacted Mark Fliginger Address Redacted Mark Francis Sommer Address Redacted MARK G ELLIS Address Redacted Mark G Weiler Address Redacted Mark Gibbens Address Redacted Mark H Abram Address Redacted Mark H Omalley Address Redacted Mark H Weber Address Redacted Mark Hall Address Redacted Mark Hanson Address Redacted Mark Helling Address Redacted Mark Hoffman Address Redacted Mark Hollis Address Redacted Mark Holte Address Redacted Mark Holten Address Redacted Mark Holwerda Address Redacted Mark J Clinton Address Redacted Mark J Deschneau Address Redacted Mark J Hauge Address Redacted Mark Joseph Roxbury Address Redacted Mark K Odegard Address Redacted Mark K Whitlock C/O Eve A Stone Address Redacted Mark Kevin Presley Address Redacted Mark Knetig Address Redacted Mark L & Mitzi Shidler Address Redacted Mark L Branum Address Redacted Mark L Lushenko And Lanette S Lushenko Address Redacted Mark L Neu Address Redacted Mark L Neu And Sheila M Neu Address Redacted Mark L Robinson Address Redacted Mark L Shidler Inc 1313 Campbell Road Bldg D Houston TX 77055 MARK L SHIDLER INC 1313 CAMPBELL ROAD BLDG D Houston TX 77055 Mark L Zimmerman Address Redacted Mark Lawyer Address Redacted Mark Lynn Osborn Address Redacted Mark M Paluck Address Redacted Mark M Suckow & Susan K Suckow JT Ten Address Redacted Mark Matthews Address Redacted Mark Mazur Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 389 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 392 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mark Mccallister Address Redacted Mark Mcgowan Address Redacted Mark Miller Address Redacted Mark Mora Address Redacted Mark N Nesheim Address Redacted Mark Nearburg C/O Ameristate Exploration 710 Dragon Lakeway TX 78734 Mark O & Sherry D Eikren Rev Trust - Mark & Sherry Eikren Trustees Address Redacted Mark O Eikren And Sherry Eikren Jts Address Redacted Mark Orthober Address Redacted Mark Orthober And Karen Orthober Address Redacted Mark Owen Harsha IRA Account c/o Nung Investments Inc. Attn: Robert Huiskamp 555 W. Crosstown Pkwy Ste 405 Kalamazoo MI 49008 Mark P Campbell Address Redacted Mark P Kahler Address Redacted Mark Pierce Dickenson Address Redacted Mark R Gadway Address Redacted Mark R Haesly Address Redacted Mark R Lindley Address Redacted Mark Rogers Somers Estate C/O Charles Somers Address Redacted Mark Rolla Address Redacted Mark Rossmiller Address Redacted Mark S & Janet K Dolar Jt Address Redacted Mark S Collings Address Redacted Mark S Dundas Address Redacted Mark S Lee Address Redacted Mark S Simpson Address Redacted Mark Sawyer Address Redacted Mark Schaffer Address Redacted Mark Scott Kitchen Sandra Kitchen (Jtwros) Address Redacted Mark Smith Address Redacted Mark Sondrol Address Redacted Mark Sovig Address Redacted Mark Steinbacher Address Redacted Mark Steinbacher IRA E*Trade Custodian Address Redacted Mark Stephen Jaskot Address Redacted Mark T Hauge Address Redacted Mark T Hawkins C/O Pecos Production PO Box 3192 Midland TX 79702 Mark T Seals Address Redacted Mark Thirud Joint Tenants Address Redacted Mark Thomas Errebo Address Redacted Mark Thomas Schaper Address Redacted Mark Ulmer Address Redacted Mark V Parker Address Redacted Mark V South Address Redacted Mark Vogel Address Redacted Mark W Haesly Address Redacted Mark W Hurley Address Redacted Mark W Maki Address Redacted Mark W Ries Address Redacted Mark W. Finnicum Address Redacted Mark Wahlstrom Test Fam Trust First Int'L Bank & Trust Trustee Address Redacted Mark Wayne Schultz Address Redacted Marke Exploration Inc PO Box 470748 Fort Worth TX 76147 Marketing Consultants 611 West 27th St Scottsbluff NE 69361 MARKIT GROUP LIMITED 15 INVERNESS WAY EAST Englewood CO 80122 Marko Bojicic Address Redacted Marks Oil Inc Address Redacted Marla D Niemitalo Address Redacted Marla Hayden Address Redacted Marla Kay Crumley Address Redacted Marla Kelley Baird Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 390 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 393 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marlana J Mouck Address Redacted Marle Baker Address Redacted Marleen D Price Address Redacted Marleen M Odermann Address Redacted Marleen Oakes Address Redacted Marleen Weflen First Int Bank & Trust - Poa Address Redacted Marlene & Charles Keever Mineral Trust Marlene & Charles Keever, Co-Trustees Address Redacted Marlene A Panning Address Redacted Marlene Buckley Address Redacted Marlene C Oakland Address Redacted Marlene C Oakland Rev Lvg Trt Marlene C Oakland Trustor/Ttee Address Redacted Marlene C Woodard Address Redacted Marlene Carriere-Binde Life Estate Address Redacted Marlene Counsell Address Redacted Marlene Deras Address Redacted

Marlene E Fortier, Trustee Marlene E Fortier Living Trust Address Redacted Marlene Eide Address Redacted Marlene F Almlie Address Redacted Marlene Faye Solberg Address Redacted Marlene Foss Le Address Redacted Marlene Goar Address Redacted Marlene Hamilton Address Redacted Marlene J Cornell Address Redacted Marlene J Mowery Address Redacted Marlene J Sondrol Address Redacted Marlene K Gronenthal Address Redacted Marlene Kay Johnsrud Address Redacted Marlene Klopf Address Redacted Marlene L Foss Address Redacted Marlene Larson Address Redacted Marlene M Baker Address Redacted Marlene M Halvorson Address Redacted Marlene M Holmberg Address Redacted Marlene Mcgrath Address Redacted Marlene Murschel Address Redacted Marlene Nelson Address Redacted Marlene Novotny Address Redacted Marlene P Flynn Gallagher Address Redacted Marlene Patricia Gallagher & Robert Gallagher Address Redacted Marlene Pray Address Redacted Marlene R Sowden Address Redacted Marlene Reich Address Redacted Marlene Reisenauer Address Redacted Marlene S Nelson Address Redacted Marlene Safely Mead Address Redacted Marlene Sisk Address Redacted Marlene Sondrol Family Trust Wendy Luckow - Trustee Address Redacted Marlene Spencer Address Redacted Marlene Stanley Life Estate Address Redacted Marlene V Conrad Address Redacted Marlesa Kai Scott-Cramer Address Redacted Marlin & Genevieve Norby Jt Address Redacted Marlin C Overstreet Address Redacted Marlin D Brush Address Redacted Marlin Namyniuk Address Redacted Marlin Norby Genevieve Norby Jts Address Redacted Marlis A Pilgrim Address Redacted Marlis E Smith Inc Address Redacted Marlis Sollin Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 391 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 394 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marlo Yttredahl Address Redacted Marlon J Kilen Address Redacted Marlyn A Redetzke & Margaret E Redetzke Revocable Trust Brandon Redetzke - Trustee Address Redacted Marlyn A Redetzke Margaret E Redetzke A-I-F Address Redacted Marlyn And Deborah Vatne Address Redacted Marlys Ann Marohl Address Redacted Marlys E Wright Address Redacted Marlys Harrison Address Redacted Marlys J Bergstrom Address Redacted Marlys J Bernal Address Redacted Marlys J Fulton Address Redacted Marlys K Becker Address Redacted Marlys Kay Ciscar Address Redacted Marlys Pihlstrom Scribner Address Redacted Marlys Ridgeley Address Redacted Marlys Tommerdahl Address Redacted Marmon Family LLLP 8546 47th St Nw New Town ND 58763 Marn Heggen Address Redacted Marne M Smith Address Redacted Marnie K Markow Address Redacted Assignee For Badlands Services Marquette Commercial Finance Group Llc Nw 6333, Po Box 1450 Minneapolis MN 55485-6333 Marquez Environmental Svcs Inc 13860 Braun Road Golden CO 80401 Marquez, Lawrence Address Redacted Marquis Metal Works Address Redacted Marrakesch Inc Address Redacted Marrs & Smith Ltd 8008 Slide Road Ste 33 Lubbock TX 79424 Marrs Dakota Energy LLP 3573 E Sunrise Dr # 233 Tucson AZ 85718 MARRS DAKOTA ENERGY, LLP 3573 E SUNRISE DR. #233 Tucson AZ 85718 Mars Of Williston PO Box 11201 Williston ND 58803 Marsco Investment Corporation Mark Kadison 101 Eisenhower Parkway Roseland NJ 07068 Marsh Engineering, Inc. 73 Main St Apt 28 Montpelier VT 05602-2987 MARSH ENGINEERING, INC. ATTN: JOHN LEWIS ROUTE 3 BOX 669-H Denham Springs LA 70726 Marsh Mineral Trust Rosella Perdaems And Duane Marsh Succ Trustees Address Redacted Marsh, Richard Address Redacted Marsha A Volkman Address Redacted Marsha Azar & Saul Azar Address Redacted Marsha B White Address Redacted Marsha Clark Bressler Address Redacted Marsha Dietz Address Redacted Marsha J Wright Address Redacted Marsha Jacobson Address Redacted Marsha L Eaton Address Redacted Marsha L Kinsey Address Redacted Marsha L Reasor Address Redacted Marsha L Vernon Address Redacted Marsha Lee Peirish Address Redacted Marsha S Enget Address Redacted Marsha Semingson Address Redacted Marshall & Jane Craft J/T Address Redacted Marshall & Winston Inc PO Box 50880 Midland TX 79710-0880 MARSHALL & WINSTON INC PO BOX 50880 Midland TX 79710-0880 MARSHALL & WINSTON, INC P O BOX 50880 Midland TX 797100-0880 Marshall C Harrison Address Redacted Marshall Craft 7948 54th St Nw Stanley ND 58784 MARSHALL CRAFT Address Redacted MARSHALL CRAFT OIL PO BOX 13195 Grand Forks ND 58208 Marshall Craft Oil LLC PO Box 13195 Grand Forks ND 58208 MARSHALL CRAFT OIL LLC PO BOX 13195 Grand Forks ND 58208 Marshall Craig Pollard Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 392 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 395 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MARSHALL EXPLORATION & LAND LLC 2562 MORNINGSIDE RD Long Lake MN 55356 Marshall Exploration & Land LLC 2562 Morningside Rd Long Lake MN 55356 Marshall Merritt Address Redacted Marshall Scherba Address Redacted Marshall W Liudahl Address Redacted Marshall W Olson & Tiffany S Olson - Joint Tenants Address Redacted Marshall Younglund Address Redacted Marshea M Berg Richard A Berg Trustees Mmb Mineral Trust Dtd 5/8/14 Address Redacted Marshia Younglund Address Redacted Marstein Investment 19925 Ne 39Th Place #504 Aventura FL 33180 Marta-Co Control Inc 2313 4th Ave West Po Box 4156 Williston ND 58802-4156 Martell 34-36-2H Suspense Address Redacted Martell 34-36-3H Suspense Address Redacted Martell 34-36Hu Suspense Address Redacted Marth Stepan Willardson Address Redacted Martha A Austin Address Redacted Martha A Gorder Address Redacted Martha A Griffiths Michael W Griffiths Aif Address Redacted Martha A Kanski & Mary R Kanski Address Redacted Martha A Petrie Tr U/A 4/19/00 Martha Petrie Bolognini Trstee C/O Farmers National Company PO Box 3480 Oil And Gas Dept Omaha NE 68103-0480 Martha Ann Carter Address Redacted Martha Ann Evans Steven R Bayer & Carol T Barnes, Poa Address Redacted Martha B Helm Address Redacted Martha Bauman Address Redacted Martha C Knopik Address Redacted Martha Clore Address Redacted Martha G Frankel Address Redacted Martha J Lee Address Redacted Martha J. Monfried Address Redacted Martha Jan Carper Address Redacted Martha Jane Ridge Austin Address Redacted Martha Jane Schultz Address Redacted Martha Jurgens Family Minl Trs James C Jurgens & David Jurgens, Succ Co-Ttees Address Redacted Martha Kaelin Address Redacted Martha Kay Frost Address Redacted Martha Koppinger Address Redacted Martha L Dugally Address Redacted Martha M Berlin Address Redacted Martha Marie Barnett Address Redacted Martha Marsh Address Redacted Martha Moore Evans Address Redacted Martha Namyniuk Address Redacted Martha Odermann Gardner Address Redacted Martha R Murphy Trust Uta Dated 5-22-13 - Martha R & Mark Bertram Murphy - Co-Trt Address Redacted Martha R Shimp Living Trust Martha R Shimp Trustee Address Redacted Martha Ruth Schultz Address Redacted Martha Seebold Trust Address Redacted Martha Smart Bennett Address Redacted Martha Snead Holloway Address Redacted Martha Sue Turner Warm Weda P Robinson Agent & Aifpo Address Redacted Martha Thompson Nelson Address Redacted

Martha Touchstone Tuffli & Elizabeth T Clayton Co-Trust Address Redacted Martha Z Harris Address Redacted Marthea A Johnson Address Redacted Martin & Leota Zagurski Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 393 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 396 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MARTIN AND SYLVIA REIGER Address Redacted Martin Arthur Ward Aka Marty Ward Address Redacted Martin Commercial Interests LLC 2000 Bering Drive Suite 260 Houston TX 77057 Martin Construction Inc PO Box 17 Gladstone ND 58630 Martin Exploration P O Box 298 Blue Island IL 60406 Martin F Obrien Jr C/O Farmers National Company Lockbox 3480, Oil & Gas Dept Omaha NE 68103-0480 Martin J Freedman & Company PO Box 631999 Littleton CO 80163 Martin J Gilden Address Redacted Martin J Skrovina Address Redacted Martin J. Freedman R & M LLP PO Box 631999 Littleton CO 80163 Martin Keller Address Redacted Martin Knopik Trust Boniface B Knopik, Trustee Address Redacted Martin Lowe Norgaard LLC 16340 Bassett Ct Ramona CA 92065 Martin Oil And Gas Investmnts 943 T Avenue Council Grove KS 66846 Martin Ortloff 35543 County Road 137 Fairview MT 59221 Martin P And Della Mcintyre Address Redacted Martin R Etzel Address Redacted Martin R Falvey Address Redacted Martin Roy Isom Address Redacted Martin Sjostrom Address Redacted Martin Water Laboratories, Inc PO Box 98 709 W Indiana Midland TX 79702-0098 Martin, Troy Address Redacted Martina, Christopher Address Redacted Martinez, Katrina Address Redacted Martinson, Jordan Address Redacted Marty And Carolyn Hildebrand Address Redacted Marty Bruce Benson Chad Dahlen Conservator Address Redacted Marty Dean Dahl Address Redacted Marty Evensvold C/O Shirley Ann Laukala Address Redacted Marty Grantier Address Redacted Marty J Hecker Address Redacted Marty Marvin Liesener Address Redacted Marty Saville Address Redacted Marty Shaide Address Redacted Marty Shaide, Trustee Of The Ron Shaide Trust Address Redacted Marty, Bradley Address Redacted Marva Trees Address Redacted Marvilyn C Linehan Address Redacted Marvin & Marcia Holas Tenants In Common Address Redacted Marvin A Link Trustee Uta Dated 11/23/81 Address Redacted Marvin A Simpson Address Redacted Marvin A Stedman Address Redacted Marvin B Olson Life Estate Address Redacted Marvin Batson Address Redacted Marvin Brazington Sr & Mildred Fay Brazington -Jtwtos Address Redacted Marvin Bruun Address Redacted Marvin D Damm Address Redacted Marvin D Flaten Address Redacted Marvin Dahlberg Address Redacted Marvin Dale Flaten Beverly Bauman Flaten Address Redacted Marvin Dowhaniuk Address Redacted Marvin E Roovaart Address Redacted Marvin Felan Address Redacted Marvin Fiveash Address Redacted Marvin Fjelstad Estate Address Redacted Marvin G Erickson & Ethel Rose Erickson As Joint Tenants Address Redacted Marvin Gulbranson Sheryl Gulbranson Poa Address Redacted Marvin H Olinde Address Redacted Marvin H Woodworth And Joan S Woodworth For Life Address Redacted Marvin Holas Address Redacted Marvin J Masset Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 394 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 397 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Marvin J Masset Dba Avalon North LLC PO Box 815 Bismarck ND 58502-0815 Marvin J Miller Address Redacted Marvin J Wagener Address Redacted Marvin Johnson Address Redacted Marvin Keith And Barbara A Johnson Address Redacted Marvin Kilen Address Redacted Marvin Koering Address Redacted Marvin L Shapiro Address Redacted Marvin Link Address Redacted Marvin Nelson Address Redacted Marvin Properties LLC Attn: Beverly Anderson Manager 3633 South Yorktown Pl Tulsa OK 74105 Marvin R Stanley Address Redacted Marvin Ross Sjostrom Address Redacted Marvin Schultz Marital Trust Barry R Schultz - Trustee Address Redacted Marvin Skogen Address Redacted Marvin T Lee Sharon Meeds Poa Address Redacted Marvin, John Address Redacted Mary & Thomas P Mcdonnell Address Redacted Mary A Anderson Address Redacted Mary A Barnett Address Redacted Mary A Gilmore Address Redacted Mary A Haas Address Redacted Mary A Hoelscher O'Brien Address Redacted Mary A Martell St Cloud Trust Mary Patricia Jones & Antonia Cammarota - Trustees Address Redacted Mary A Mather Address Redacted Mary A Nelson Estate Address Redacted Mary A Petersen Address Redacted Mary A Van Noske Address Redacted Mary A Williams Address Redacted Mary Alice Keyes Skelton Address Redacted Mary Alma Allred & Rex Allred Trustees Address Redacted Mary Ann And Toni R Axelson Address Redacted Mary Ann Axelson Address Redacted Mary Ann Berard Address Redacted Mary Ann Carlson Address Redacted Mary Ann Culver Le Address Redacted Mary Ann Danielson Address Redacted Mary Ann Dorval Address Redacted Mary Ann Engebretson Address Redacted Mary Ann Fogarty Address Redacted Mary Ann Hanson Address Redacted Mary Ann Hoelscher Address Redacted Mary Ann Hull Blair Address Redacted Mary Ann Johnson Address Redacted Mary Ann K Kjorstad And Diane Mary Kjorstad Joint Tenants Address Redacted Mary Ann Landmark Address Redacted Mary Ann Liles Address Redacted Mary Ann Macintosh C/O Lowell A Breiland Address Redacted Mary Ann Motis Ritz Address Redacted Mary Ann Nelson Trust U/D/T 3/30/09 - Dorothy A M Nelson - Trustee Address Redacted Mary Ann Nygard Address Redacted Mary Ann O'Sullivan Address Redacted Mary Ann Palda L/E Address Redacted Mary Ann Paluck Life Estate David Paluck Poa Address Redacted Mary Ann Reimers Rodney Eugene Reimers Jtwros Address Redacted Mary Ann Schipman Address Redacted Mary Ann Silk Address Redacted Mary Ann Staha Address Redacted Mary Ann Thompson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 395 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 398 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary Ann Trepus Address Redacted Mary Ann Washburn Address Redacted Mary Ann Wittinger Address Redacted Mary Ann Wollan Address Redacted Mary Anna Davis Murphy Address Redacted Mary Anne Malard Address Redacted Mary Arlene Esser Address Redacted Mary B Attaya Address Redacted Mary B Chandler Address Redacted Mary B Hayes Address Redacted Mary B Hughes Address Redacted Mary B Langdon Address Redacted Mary B Meduna Address Redacted Mary B Perkins And Jon B Bergerud, Jnt Tenants Address Redacted Mary B Sprinkle Address Redacted Mary B Walker Living Trust Dtd 5/5/04 Scott B Swanson, Trustee Address Redacted Mary B Zeldis Address Redacted Mary Baker Address Redacted Mary Beret Hagen Address Redacted Mary Berg Address Redacted Mary Beth Andrews Address Redacted Mary Beth Hibbard Address Redacted Mary Beth Langley Address Redacted Mary Beth Macmeekin Address Redacted Mary Beth Nameniuk Address Redacted Mary Beth Palmer Address Redacted Mary Beth Tarvin Address Redacted Mary Beth Thompson Address Redacted Mary Betty Ervin Palmer Address Redacted Mary Borseth Stenberg Address Redacted Mary Breland Trust Regions Bank Nrre Operations Address Redacted Mary Brown Fund C/0 Joseph E Brown Jr Address Redacted Mary C & Kenneth R Schmidt Aka Mary Claire Schmidt & Kenneth R Address Redacted Mary C Anderson Trust UA 10/01/03 Address Redacted Mary C Brown Ttee Mary C Brown Family Mineral Tr Address Redacted Mary C Melland Address Redacted Mary C Messmer Address Redacted Mary C Newport Address Redacted Mary C Pavey Raquel M Dalton Poa Address Redacted Mary C Rickl Address Redacted Mary C Tompkins Address Redacted Mary Carol Griffith Address Redacted Mary Carol Griffith Children'S Trust Mary Carol Griffith Trustee Address Redacted Mary Carolyn Fritz Address Redacted Mary Carter Address Redacted Mary Catharine Arvanites Address Redacted Mary Catherine Kanotz Address Redacted Mary Catherine Mcculloch Address Redacted Mary Chalk Wheat Address Redacted Mary Cheek Couchman Address Redacted Mary Christine Dorr Address Redacted Mary Clark Menking Address Redacted Mary Colleen Sweeney Address Redacted Mary Cornelia Henderson Gates Address Redacted Mary D Bareis Address Redacted Mary D Elwood C/O Lisa Masoner Address Redacted Mary D Garcia Address Redacted Mary D Hoelscher Pheanis Address Redacted Mary D Hughes Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 396 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 399 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary D Woodward Address Redacted Mary Dean Glosier Declaration Of Trust Mary Dean Glosier - Trustee Address Redacted Mary Dene Sims Wages Address Redacted Mary Dilworth Wall Trust Peggy Vanderford, Sandy Mitchell & Kathleen Gregory-Tr Address Redacted Mary Dobie Address Redacted Mary Donnis Galgan Address Redacted Mary E Aal Address Redacted Mary E Bowder Address Redacted Mary E Britton Address Redacted Mary E Brown Address Redacted Mary E Chalupnik Address Redacted Mary E Erickson Trust Dated 05/01/01 Address Redacted Mary E Frank Living Trust Mary E Frank Trtee Address Redacted Mary E Gioia Address Redacted Mary E Henneke Address Redacted Mary E Iszley Rev Living Tr Barbara C Holman Trustee Address Redacted Mary E Jones A/K/A Mary Ella Jones,A/K/A Mary Jones, Amwdssp Address Redacted Mary E Lawson Address Redacted Mary E Lehman Address Redacted Mary E Mcgeady Address Redacted Mary E Meier Estate Robert E Meier Personal Rep Address Redacted Mary E Merten Trust Address Redacted Mary E Muggli Mineral Trust Pamela A Long, Jane Stickney Co-Trustees Address Redacted Mary E Nordsven Address Redacted Mary E Oakland Young Address Redacted Mary E Salocker Address Redacted Mary E Sifford Family Rev Living Trust Address Redacted Mary E Spetnagel Address Redacted Mary E Vandeberg Catlin Address Redacted Mary E Vieth Address Redacted Mary E Virgin Address Redacted Mary E Zebell Address Redacted Mary Eastham King Trustee Address Redacted Mary Edith Waddell Address Redacted Mary Elizabeth Bruch Address Redacted Mary Elizabeth Davis Address Redacted Mary Elizabeth Franklin Address Redacted Mary Elizabeth Guttentag Address Redacted Mary Elizabeth Kimberlin Address Redacted Mary Elizabeth Mccrory Address Redacted Mary Elizabeth Murray Address Redacted Mary Elizabeth Olender Address Redacted

Mary Elizabeth Schram Trst C/O Jpmorgan Chase Bank Address Redacted Mary Elizabeth Sparks C/O Laura E Seal Agent & Aif Address Redacted Mary Elizabeth Sutton Address Redacted Mary Ellen Bradley Address Redacted Mary Ellen French Address Redacted Mary Ellen Fuqua Stout Address Redacted Mary Ellen Lawson Living Trst. Lawson Mary Ellen Trustee Address Redacted Mary Ellen Lewis Address Redacted Mary Ellen Matchette Address Redacted Mary Ellen Maurer Address Redacted Mary Ellen Myers Address Redacted Mary Ellen Ryan & John L Kennedy JT Ten Address Redacted Mary Ellen Shafer Hedrick Address Redacted Mary Ellen Slemaker Benien Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 397 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 400 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary Ellen Vieth Trust Dtd 2-25-88 - Mary Vieth - Tr Address Redacted Mary Esther Langshaw Address Redacted Mary Evans Knight Address Redacted Mary F Easlick Address Redacted Mary F Thompson Address Redacted Mary Flannery Address Redacted Mary Francine LLC Address Redacted Mary Freed Address Redacted Mary G Belden Robert A Belden Address Redacted Mary G Monahan Address Redacted Mary G Thompson Address Redacted Mary Glubka Address Redacted Mary H Burroughs Address Redacted Mary H Clark Rev Living Trust Dated 01/20/05 Mary H Clark Trust Address Redacted Mary H Griffith Family Trust Frost Bank - Successor Trustee Account - Pa993 Address Redacted Mary Harper Ward Langston Address Redacted Mary Hatchitt Address Redacted Mary Havemeier Address Redacted Mary Helen Glaeser Address Redacted Mary Herbert Maurer Trust Mary Herbert Maurer Trustee Address Redacted Mary Hoseth Address Redacted Mary Hubbard Address Redacted Mary Hubof Address Redacted Mary I Atzberger Fka Mary I Heil Address Redacted Mary I Chapin Address Redacted Mary I Lawrence Issue Trust D Lawrence Trustee G Moriarty Trustee Address Redacted Mary I Lawrence Life Estate D Lawrence Trustee G Moriarty Trustee Address Redacted Mary I Leinsdorf Address Redacted Mary J Brett Royalty Co LLC Address Redacted Mary J Combs Address Redacted Mary J Reed Le Address Redacted Mary J Stokes Address Redacted Mary J Thorne Address Redacted Mary J Williams Address Redacted Mary Jacqueline Lee Sullivan Mineral Tr Dtd 1-21-82 Address Redacted Mary Jane & Jack Chris Reis L/E And J/T Address Redacted Mary Jane Amundon Address Redacted Mary Jane Gibson Address Redacted Mary Jane Goad Address Redacted Mary Jane Gustafson Address Redacted Mary Jane Howard Revocable Trust Mary Jane Howard Trustee Address Redacted Mary Jane Martens Address Redacted Mary Jane Neighbour Address Redacted Mary Jane Olheiser Address Redacted Mary Jane Solow Estate Address Redacted Mary Jean Moen Address Redacted Mary Jean Moen Trustee Mary Jean Moen Trust Address Redacted Mary Jeane Johnson Address Redacted Mary Jlr Partnership Ltd 1613 Northumberland Road Austin TX 78703-3143 Mary Jo And Donal R Paton Address Redacted Mary Jo Fossum Address Redacted Mary Jo Grisham Trustee Agency Address Redacted Mary Jo Lynn Lopes Address Redacted Mary Jo Marjama Address Redacted Mary Jo Neubauer Address Redacted Mary Jo Rhodes Address Redacted Mary Jo Saboe Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 398 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 401 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary Jo Younglund Address Redacted Mary Joan Difani James Patrick Moultrup Poa Address Redacted Mary Joan Mitten Address Redacted Mary Joan Rulla Address Redacted Mary Johnson Address Redacted Mary Josephine Runge Revocable Trust Mary Keely Runge Trustee Address Redacted Mary Joyce Goebel Address Redacted Mary Joyce Goebel Estate Larry Goebel - Pr Address Redacted Mary Judith Wood Henderson Address Redacted Mary K Barger Address Redacted Mary K Colozzi Address Redacted Mary K Gallagher Address Redacted Mary K Helland Address Redacted Mary K Helland c/o Raymond James Financial Attn: Brian K Johnson 255 5th Street North Breckenridge MN 56520 Mary K Hughes Address Redacted Mary K Kyger Address Redacted Mary K Meisters Address Redacted Mary K Owen Address Redacted Mary K Shea C/O Dorothy Dugan Address Redacted Mary K. Anderson Address Redacted Mary Karrels Address Redacted Mary Kathryn Roos Address Redacted Mary Kay Jones Address Redacted Mary Kay Kauffman John Kauffman Iii Aif Address Redacted Mary Kay Koppi Address Redacted Mary Kay Schumacher Address Redacted Mary Kay Sexton Address Redacted Mary Kay Ward Address Redacted Mary Kelly Wear Address Redacted Mary Kelsch Address Redacted Mary Ketelle Succ Ttee Thomas & Mary Ketelle Fam Tr Address Redacted Mary L Bush Address Redacted Mary L Dawson Address Redacted Mary L Hagen Address Redacted Mary L Jaskot Address Redacted Mary L Roesch Address Redacted Mary L Spicka Address Redacted Mary L Tupa Address Redacted Mary Lamar Murphy Address Redacted Mary Lane Reynolds Address Redacted Mary Langer Gokey Address Redacted Mary Laverne Tosky Address Redacted Mary Lee Klukas Address Redacted Mary Lee Olson Address Redacted Mary Lee S Reese LLC PO Box 338 Bozeman MT 59771 Mary Lou Bacon Address Redacted Mary Lou Biksen Address Redacted Mary Lou Brinkman Address Redacted Mary Lou Brittner Address Redacted Mary Lou Lemond Address Redacted Mary Lou Olson Erfle Address Redacted Mary Lou Ritter Address Redacted Mary Lou Sauer Address Redacted Mary Lou Schaff Address Redacted Mary Louise E Veselka Address Redacted Mary Louise Weber Address Redacted Mary Louise Young Rev Trust Address Redacted Mary Lu Etzel Address Redacted Mary Lynn Anderson Address Redacted Mary Lynn Purcell Address Redacted Mary M Barnett Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 399 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 402 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary M Borah Address Redacted Mary M Decker Trustee Of The Mary M Decker Family Trust U/A 8/6/2008 Address Redacted Mary M Druding Address Redacted Mary M Elmshauser Address Redacted Mary M Farmer Address Redacted MARY M FORSTER DBA Address Redacted Mary M Kilzer Address Redacted Mary M Lende Address Redacted Mary M Pappas Address Redacted Mary M Robinson Address Redacted Mary M Silvernail Address Redacted Mary M Zapp Address Redacted Mary Margaret Clayberg Address Redacted Mary Margaret Vandeberg Address Redacted Mary Marguerite Martin Address Redacted Mary Marquardt Address Redacted Mary Maud Overton Stocker Tr C/O Mary Maud Overton Stocker Beard Trustee Address Redacted Mary Mchattie Address Redacted Mary Midge Lippmann Address Redacted Mary Miller Address Redacted Mary Moore Du Passage Address Redacted Mary Mortensen Address Redacted Mary Mrachek Myers Address Redacted Mary Nell Legg Ttee Mary Nell Legg Family Trust Address Redacted Mary Newberry Lamb Address Redacted Mary Nielson Life Estate Address Redacted Mary Noel Lamont Address Redacted Mary Oclair Address Redacted Mary Odermann Kehrwald Address Redacted Mary Okeefe Field Address Redacted Mary Oleary Address Redacted Mary P Bakken Address Redacted Mary P Gray Address Redacted Mary P Heilman C/O Patrick A Erickson Address Redacted Mary P Hurley Address Redacted Mary P Jones Address Redacted Mary P Kniffen Address Redacted Mary P Page Address Redacted Mary Pat Maier Address Redacted Mary Patrikus Address Redacted Mary Pauline Nygaard Address Redacted Mary Pavlish Address Redacted Mary Peterson Harrelson Address Redacted Mary Pitz Address Redacted Mary Plantenga Address Redacted Mary Potishman Lard Trust Walker C Friedman Ttee Address Redacted Mary Quale - Deceased Address Redacted Mary R Cox Dickinson Est Ralph E Skoog Admn Address Redacted Mary R Markajani & Ernest S Markajani (Mother & Son, And Jtwros) Address Redacted Mary Rachel Wilhelm Luebben Trustee Address Redacted Mary Raines And Keith Raines Joint Tenants Address Redacted Mary Reminder Address Redacted Mary Richer Address Redacted Mary Rose Barta Address Redacted Mary Rose Muggli Address Redacted Mary Ruth Bowen Dyer Address Redacted Mary Ryan Machak Address Redacted Mary Sasse Address Redacted Mary Shocklet Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 400 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 403 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mary Skalicky Address Redacted Mary Soine Le Address Redacted Mary Solberg & Clifford Solberg Address Redacted Mary Sowell Shelmire Address Redacted Mary Starr Kelley Address Redacted Mary Stephens Address Redacted Mary Steppler Address Redacted Mary T Martin Address Redacted Mary T Olinger Address Redacted Mary T Wood Address Redacted Mary Thorson Lucken Rev Tr Dtd 3/13/79 John E & Mary T Lucken Ttees Address Redacted Mary Trow Smith Address Redacted Mary Trzaskowski Address Redacted Mary V Schuman Address Redacted Mary Van Wert Address Redacted Mary Volesky Life Estate Address Redacted

Mary W Mcdonald Estate C/O John R Mcdonald Per Rep Address Redacted Mary W Speldrich C/O Donald W Will Poa Address Redacted Mary W. Nolan Address Redacted Mary Wahl Address Redacted Mary Walters Address Redacted Mary Webber Address Redacted Mary Weber Bommersbach Address Redacted Mary Williams Address Redacted Maryann J Engelbrecht Address Redacted Maryann R Carter Address Redacted Maryann Thompson Address Redacted Maryanne Geivett Tebedo Address Redacted Maryanne Schlosser Address Redacted Marybeth Lamont Address Redacted Marybeth Wolfe Address Redacted Mary-Frances Oconnor Address Redacted Maryjo Dufurrena Address Redacted Maryln Langeance Address Redacted Marylou Owen Address Redacted Maryls Kay Balzer Address Redacted Masco Wireline Service Inc PO Box 2726 Laurel MS 39442 Masenheimer, John Address Redacted Masko, Michael Address Redacted Mason Marquardt Address Redacted Mason, Erik Address Redacted Masonic Charity Foundation Of Oklahoma PO Box 2406 Edmond OK 73083-2406 Masonic Home Of Missouri 6033 Masonic Drive Suite A Columbia MO 65202-6538 Massaro, Justin Address Redacted Master Brands Address Redacted Master Flo Valve Usa Inc 8726 Fallbrook Dr Houston TX 77064 Master Mineral Holdings Inc PO Box 10886 Midland TX 79701 Master Minerals Bakken I LP PO Box 10886 Midland TX 79702 Masters Enterprises Inc Harry A Lenz President P O Box 1758 Dickinson ND 58602 Masters, Bartholmew Address Redacted Matagorda B1 LP 2441 High Timbers Dr Ste 300 Woodlands TX 77380 Matcor Inc PO Box 91473 Chicago IL 60693 Matejovsky Family Revocable Tr Dtd 8-29-18 - James R & Julane M Matejovsky - Trustees Address Redacted Matheson Tri-Gas Inc Dept 3028 Po Box 123028 Dallas TX 75312 Mathew Luna Address Redacted Mathew Tompkins 2511 D St Se, Apt 21 Auburn WA 98002 Mathias Lock & Key Address Redacted

Mathis Fam Rev Living Tr Ronald C & Jean K Mathis Ttes Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 401 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 404 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Matilda Braun Estate Address Redacted Matina K Lagos Address Redacted Matrix Group Publishing Inc PO Box 41270 Reno NV 89504 Matrix Production Company 5725 Commonwealth Blvd Sugar Land TX 77479 Matrix Shawnee Holdings LLC 5725 Commonwealth Blvd Sugar Land TX 77479 MATRIX SHAWNEE HOLDINGS LLC 5725 COMMONWEALTH BLVD Sugar Land TX 77479 Matt Betts Trucking Inc 4898 S 4625 E Vernal UT 84078 Matt Brafford Address Redacted Matt Gose Address Redacted Matt Graham Address Redacted Matt Gregory Revoc Lvg Trust Steven Gregory, Succ Ttee Address Redacted Matt Lindley Address Redacted Matteson Fam Rev Tr Dt 7-29-94 Catherine M. Matteson, Ttee Address Redacted Matthew & Deborah Garland Dba Cay-Matt Investments LLC 8 Sunrise Ln Gillette WY 82716-4920 Matthew Allen Isom Address Redacted Matthew B Kadane Louise Kadane And Michael Gustafson Trustees Address Redacted Matthew Bailey Address Redacted Matthew Beard Address Redacted Matthew Bert Murphy Trust Matthew B Murphy Trustee Address Redacted Matthew Boyce Address Redacted Matthew C Houghton Address Redacted Matthew Cattoni Address Redacted Matthew Chisholm Long Address Redacted Matthew D. Stehlin Address Redacted Matthew Dankner Address Redacted Matthew Dave Andriash Address Redacted Matthew E Clark Address Redacted Matthew E Leer Address Redacted Matthew Garrett Turner C/O Austin Trust Company Address Redacted Matthew Garrett Turner Rev Tr C/O Austin Tr Co & Matthew Turner Co-Ttees Address Redacted Matthew Garrett Turner Trust U/W/O Dorothy Ann Turner Austin Trust Company Co Ttee Address Redacted Matthew Glover Address Redacted Matthew Good Address Redacted Matthew H Paris Address Redacted Matthew J Hooper Address Redacted Matthew J Jonas Address Redacted Matthew J Kabliska Address Redacted Matthew J Rickl Address Redacted Matthew James Ukestad Address Redacted Matthew John Chorske Address Redacted Matthew Kouba Address Redacted Matthew Lee Ortloff Address Redacted Matthew P Hosey Address Redacted MATTHEW PARIS Address Redacted Matthew Peterson Welch Address Redacted Matthew R Busenhart Address Redacted Matthew S Marshall Address Redacted Matthew S Peterson Address Redacted Matthew S Pileggi Address Redacted Matthew Shea Address Redacted Matthew T Okeefe Address Redacted Matthew W Bragg Address Redacted Matthew Whitney Kavanaugh Address Redacted Mattie Rumbargh Address Redacted Maude H Schaffner Address Redacted Maudie E Dugan Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 402 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 405 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Maudie Wilson Mcclendon Address Redacted Maura Kay Newburn Address Redacted Maura W G Lynch Address Redacted Maure Labonte Address Redacted Maureen A Kilzer Address Redacted Maureen A Perdue Address Redacted Maureen E Drexler Address Redacted Maureen E Keseling Address Redacted Maureen K Oreilly Address Redacted Maureen Krank Address Redacted Maureen M Hendricks Address Redacted Maureen Moe Minerals Trust Maureen Moe Trustee Address Redacted Maureen Namyniuk Brown Address Redacted Maureen S Townsend Address Redacted Maureen Wolf Address Redacted Maurice & Merlee Snickerson Address Redacted Maurice J Tobin Jr Estate Edward Tobin Executor Address Redacted MAURICE M NICKERSON AND MERLEE S Address Redacted Maurice Mcneel & Freddie Mcneel Ten Com Address Redacted Maurice P Casey Revocable Trust David Lee Casey As Trustee Address Redacted Maurice W Brown Address Redacted Maurice W Brown Oil & Gas LLC Address Redacted Mauricio De Stefano Address Redacted Maurita A Meehan Address Redacted Maury Ellefson Address Redacted Mauzys Cfo LLC Address Redacted Mavis & Ronnie L Berry J/T Address Redacted Mavis Ann Wright Address Redacted Mavis Diaz Address Redacted Mavis E Foss Diane Grubb Pr Address Redacted Mavis E Rierson Address Redacted Mavis Fyfe Address Redacted Mavis Johnsrud Address Redacted Mavis L Brisse Address Redacted Mavis M Bjella Peggy Anderson - Poa Address Redacted Mavis Moe Address Redacted Mavis Rilling Family Trust Address Redacted Mavis Sauer Trust Mavis Sauer, Trustee Address Redacted Mavis Yvonne Fyfe Life Estate Address Redacted Mavis Zoanni Address Redacted Mavity Investment Trust Maureen D Roberts - Trustee Address Redacted Max E Jepson Estate C/O Ross Royalty Williston Ii Address Redacted Max Exploration LLC PO Box 9287 Salt Lake City UT 84109 Max Psi LLC PO Box 1252 Denver City TX 79323 Max W Brunsvold Address Redacted Maxflow Chemicals Of Texas LLC PO Box 688 Carthage TX 75633 MAXFLOW CHEMICALS OF TEXAS, LLC PO BOX 688 Carthage TX 75633 Maxim Healthsystems LLC 7221 Lee Deforest Drive Columbia MD 21046 Maxine Boggs Address Redacted Maxine Brablec Family Mineral Trust Dtd Dec 29, 1983 Wanda Stough, Succ Ttee Address Redacted

Maxine Combs Estate C/O Bella Combs & Wayne Combs Address Redacted Maxine E Younker L/E Address Redacted Maxine Erdmann Revocable Trust Maxine T Erdmann, Trustee Address Redacted Maxine Gail Todd Address Redacted Maxine H Felder Address Redacted Maxine Johnson Address Redacted Maxine King Family Trust Address Redacted Maxine King Family Trust Mary Ann Axelson Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 403 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 406 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Maxine L Deike Address Redacted Maxine M Renner Address Redacted Maxine Nelson Address Redacted Maxine Pfundheller Address Redacted Maxine Surdahl Address Redacted Maxine T Hunter Kristine Philips - Poa Address Redacted Maxine Wagener Bode Address Redacted MAXUS EERGY 717 N HARWOOD ST. #3067 Dallas TX 75201 Maxwell Hd Jr & Mary B Johnson Joint Tenants Address Redacted Maxwell Hd Jr & Mary B Johnson Life Estate Address Redacted Maxwell Johnson Jr Address Redacted Maxwell Ramsey Pray Address Redacted Maxwell, Debra Address Redacted May Brown Lloyd Address Redacted May Meek Long Address Redacted May N Johnson Family Mineral Trust Dean A Johnson, Trustee Address Redacted May Nunemaker Address Redacted May Oil & Gas LLC 714 E Kaliste Saloom Road #A1 Lafayette LA 70508 Mayme Marx Address Redacted Maynard A Alamaa Address Redacted Maynard H Sandberg Estate Jon W Backes - Pr Address Redacted Attn: Jon W. Backes, Personal Maynard H. Sandberg Estate c/o McGee, Hankla & Backes, P.C. Representative Box 998 Minot ND 58702 Maynard Lund Address Redacted C/O MCGEE, HANKLA, & BACKES, ATTN: BRYAN LEE VAN 2400 E BURDICK EXPY, MAYNARD LUND PC GRINSVEN SUITE 100 Minot ND 58701 C/O Mcgee, Hankla, Backes & Maynard Lund Dobrovolny, Pc Attn: Bryan Lee Van Grinsven 2400 E Burdick Expy, #100 Minot ND 58701 Maynard Ouren Address Redacted Maynard R Mcginnis David Gary Mcginnis Poa Address Redacted Maynard Sandberg Address Redacted Maynard Thorseth Address Redacted Mayo Aviation Inc 7735 South Peoria Street Englewood CO 80112 Mayo Family Trust Nancy Elting - Trustee Address Redacted Maze Mineral LLC 25 Treasure Lane Kalispell MT 59901 Mazie Wrather Estate C/O Sara S Wrather 645 Meadow Dr Se North Bend WA 98045 Mazzola & Company 14624 Fenton St Broomfield CO 80020 Mb Installation LLC Mark Lance Brown 25092 E 2nd Place Aurora CO 80018 Mb Investments LLP PO Box 856 Watford City ND 58854-0856 MB INVESTMENTS LLP PO BOX 856 Watford City ND 58854-0856 MB SEISMIC LP Address Redacted Mbg Oil And Gas LLC PO Box 912 Bellevue ID 83313 MBI Energy Logistics LLC Attn: Mark Kitzenberg P.O. Box 1388 Dickinson ND 58601 MBI Energy Logistics LLC Attn: Melissa Gross PO Box 1388 Dickinson ND 58601 Mbi Energy Logistics LLC PO Box 912524 Denver CO 80291-2524 Mbi Energy Rentals Inc PO Box 912524 Denver CO 80291-2524 MBI Energy Rentals, Inc. Attn: Melissa Gross PO Box 1388 Dickinson ND 58601 MBI Energy Rentals, Inc. Mark Kitzenberg P.O. Box 1388 Dickinson ND 58601 MBI Energy Services Attn: Mark Kitzenberg P.O. Box 1388 Dickinson ND 58601 MBI Energy Services Attn: Melissa Gross PO Box 1388 Dickinson ND 58601 Mbi Energy Services PO Box 912524 Denver CO 80291-2524 Mbi Fishing And Rental Oil Tools Po Box 912524 Denver CO 80291-2524 Mbi Oil & Gas LLC 103 5th St Se Dickinson ND 58601 MBI OIL & GAS LLC ATTN: GARY HOKKANEN 103 5TH ST SE Dickinson ND 58601-6022 Mbi Oil & Gas LLC Estate Of Buford Scott 103 5th St Se Dickinson ND 58601 Mbi Oil & Gas LLC Estate Of George F. Baker 103 5th St Se Dickinson ND 58601 Mbi Oil & Gas LLC Estate Of Isobel B Hayes 103 5th St Se Dickinson ND 58601 Mbi Oil & Gas LLC Estate Of John H Hayes Jr 103 5th St Se Dickinson ND 58601 Mbi Oil & Gas LLC Estate Of John Jan Laverge 103 5th St Se Dickinson ND 58601 Mbi Oil & Gas LLC Estate Of Jonathan Bryan 103 5th St Se Dickinson ND 58601 Mbi Overrides LLC 103 5th St Se Dickinson ND 58601 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 404 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 407 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MBI Overrides, LLC c/o Fredrikson & Byron, P.A. Attn: Lawrence Bender 1133 College Dr. Suite 1000 Bismarck ND 58501 MBI Overrides, LLC Mike Reichert 103 5th Street E. Dickinson ND 58601 Mbi Royalties LLC 103 5th St Se Dickinson ND 58601 MBI Royalties, LLC c/o Fredrikson & Byron, P.A. 1133 College Drive Suite 1000 Bismarck ND 58501 1133 College Drive, Suite MBI Royalties, LLC c/o Fredrikson & Byron, P.A. Attn: Lawrence Bender 1000 Bismark ND 58501 MBI Royalties, LLC Mike Reichert 103 5th Street E. Dickinson ND 58601 MBI Royalties, LLC Mike Reichert 103 5th Street SE Dickinson ND 58601 Mbm Management 22136 Westheimer Pkwy #220 Katy TX 77450 Mc Mineral Company LLC PO Box 18496 Oklahoma City OK 73154 Mca Enterprises LLC PO Box 704 Santa Cruz CA 95061-0704 Mcalister Royalties LLC PO Box 1488 Midland TX 79702 Mccaddon, Lauren Address Redacted Mccall Family Trust George E & Carole J Mccall - Trustees Address Redacted Mccamey Farm & Ranch LP PO Box 600350 Dallas TX 75360-0350 Mccann Energy A General LPartnership 780 East Britton Road Oklahoma City OK 73114 Mccarthy, Tyler Address Redacted Mccaughey Oil Corp Regions Bank Aif Regions Bank/Nrre/Ops PO Box 11566 Birmingham AL 35202 Mcclain, Andrew Address Redacted Mcclanahan Oil Co Address Redacted Mcclaren Resources Inc 1110 Lake Point Circle Mckinney TX 75070 Mcclintock & Nikoloric LLC C/O Bokf Na Dba Colorado State Bank And Trust - Agent PO Box 1588 Tulsa OK 74101 Mccody Concrete Products Inc PO Box 4005 Williston ND 58802-4005 McConnell & Scully c/o Schaeffer Law Offices Attn: Aaron Alexander Bartell 206 S Kalamazoo Avenue Marshall MI 49068 Mcconnell & Scully Inc 146 West Main Street Homer MI 49245 Mcconnell Royalty LLC Attn: R Blake Atkins 1409 Terrace Dr Tulsa OK 74104-4626 Mccormick Royalty Trust 3200 Cherry Creek S Dr Ste 230 Denver CO 80209 Mccormick Royalty Trust Richard & Mary Mccormick Ttees Address Redacted Mccormick, Laura Address Redacted Mccoy Fmly Min Rts Irr Tr Caroline Mccoy Jones & Frederick Mccoy III Trtees Address Redacted Mccoy Sales PO Box 271248 Louisville CO 80027-9998 Mccrea Energy 2 PO Box 2626 Fredericksburg TX 78624 Mccrea Energy LLC PO Box 2626 Fredericksburg TX 78624 Mccrea Restorations LLC PO Box 2626 Fredericksburg TX 78624 MCCULLIS OIL AND GAS INC PO BOX 221515 Denver CO 80222 Mcculliss Oil & Gas Inc PO Box 221515 Denver CO 80222 Mcculliss Resources Co Inc PO Box 3248 Littleton CO 80161 MCCULLISS RESOURCES CO INC 1225 17TH STREET STE 2210 Denver CO 80202 Mccully-Chapman Exploration PO Box 421 Sealy TX 77474 Mccutchin Working Int LLC PO Box 802043 Dallas TX 75380 Mcdaniel Company Inc 12900 Preston Rd Suite 415 Dallas TX 75230 Mcdaniel Technical Services Inc Po Box 2557 Broken Arrow OK 74013-2557 Mcdaniel, John Address Redacted Mcdanold, James Address Redacted Mcdonald Family Trust Shawna M Litterski Trustee Address Redacted Mcdonald, David Address Redacted Mcdonald, Ida Mae Address Redacted Mcdonald, Jason Address Redacted Mcdowell, Scott Address Redacted Mcelroy Living Trust 1 Address Redacted Mcelroy Sullivan Miller & Weber Llp Po Box 12127 Austin TX 78711 Mcelvaney, Kevin Address Redacted Mcf Holdings LLC 1617 Fairway Vista Dr Corinth TX 76210 Mcfarland & Mcfarland Inv Address Redacted Mcgary, Maura Address Redacted Mcghee Investment Company LLC PO Box 3306 Centennial CO 80161 Mcginley Family Revocable Living Trust Marilyn Mcginley - Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 405 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 408 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mcginnis Farm Corporation Ltd Route 2 Box 2140 Sidney MT 59270 Mcginnis Trust Dtd Feb 18 09 Gary M And Gail S Mcginnis Trustees Address Redacted Mcgrane, Gillian Address Redacted Mcgrath, Michael Address Redacted Mcguire, Madalyn Address Redacted Mci Comm Service PO Box 4830 Trenton NJ 08650-4830 Mcintyre, Clancy Address Redacted Mck Consulting Inc PO Box 433 Watford City ND 58854 Mckee Family Trust Address Redacted Mckenzie Allan Danielson Address Redacted Mckenzie County 201 5th St Nw Suite 1221 Watford City ND 58854 Mckenzie County Emergency Management 201 5th Street Nw Watford City ND 58854 Mckenzie County Ambulance PO Box 35 Watford City ND 58854 Mckenzie County Clerk Of District Court Case No - 27- 2016-Cv-00040 Attn: Jodee Lawlar 201 5th St Nw Ste 524 Watford City ND 58854 Mckenzie County Fair C/O Carolyn Levang 10293 Hwy 73 Keene ND 58847 Mckenzie County Farmer PO Box 587 Watford City ND 58854 Mckenzie County First Responders Attn Jodee Lawlar 201 5Th St Nw Ste 524 Watford City ND 58854 Mckenzie County Healthcare Systems 516 N Main Street Watford City ND 58854 Mckenzie County Hockey Club PO Box 1332 Watford City ND 58854 Mckenzie County Public School District 1 PO Box 589 Watford City ND 58854 Mckenzie County Public School District 1 PO Box 589 Watford City ND 58854 Mckenzie County Recorder 201 5th Street Nw Watford City ND 58854 MCKENZIE COUNTY TOWER-8443 EMERGENCY MANAGEMENT 201 5TH STREET NW Watford City ND 58854 Mckenzie County Treasurer Cheryl Grantier 201 5th Street Nw Suite 504 Watford City ND 58854 Mckenzie County, ND Treasurer 201 5th St NW Suite 504 Watford City ND 58854 Mckenzie Electric Cooperative 3817 23Rd Ave NE Watford City ND 58854-0649 Mckenzie Electric Cooperative PO Box 649 Watford City ND 58854-0649 Mckenzie Electric Cooperative 908 4th Ave Ne Po Box 649 Watford City ND 58854-0649 MCKENZIE ELECTRIC COOPERATIVE PO BOX 649 Watford City ND 58854-0649 Attn: Carl D. Neff & Kasey H. 919 North Market Street, McKenzie Electric Cooperative, Inc. c/o Fox Rothschild LLP DeSantis Citizens Bank Center Suite 300 Wilmington DE 19801 5420 Lyndon B. Johnson McKenzie Electric Cooperative, Inc. c/o Fox Rothschild LLP Attn: David Grant Cooks Two Lincoln Centre Freeway, Suite 1200 Dallas TX 75240-6215 McKenzie Electric Cooperative, Inc. Carl D. Neff, Fox Rothschild LLP 919 N. Market St. Suite 300 Wilmington DE 19801 McKenzie Electric Cooperative, Inc. Address Redacted

MCKENZIE ENERGY PARTNERS C/O GRAVITY OILFIELD SERVICES PO BOX 734128 Dallas TX 75373-4128 McKenzie Energy Partners LLC Attn: Thomas McKenzie PO Box 1037 Watford City ND 58854 Mckenzie Energy Partners LLC C/O Gravity Oilfield Services Po Box 734128 Dallas TX 75373-4128

MCKENZIE ENERGY PARTNERS LLC-6783 C/O GRAVITY OILFIELD SERVICES PO BOX 734128 Dallas TX 75373-4128 McKenzie Energy Partners, Globe Energy Services, Inc., Attn: Maria Bartlett & Zachary S. and Globe Chemical LLC dba Tech Management c/o Doré Rothberg McKay, P.C. McKay 17171 Park Row Suite 160 Houston TX 77084 Mckern, Patrick Address Redacted Mckey, Allison Address Redacted Mclaughlin Resources LLC 2201 Sherwood Way Ste 201 San Angelo TX 76901 Mclean County Nd Recorder PO Box 1108 Washburn ND 58577 Mclean Electric Cooperative 4031 Hwy 37 Bypass Nw Po Box 399 Garrison ND 58540-0399 Mclean Electric Cooperative Attn: Tonya Marie Graeber PO Box 399 Garrison ND 58540-0399 Mcleod Investments Trust No 1 600 Grant St Ste 850 Denver CO 80203 Mclish Resources LP LLLP 1520 W Canal Ct Ste 250 Littleton CO 80120 Mcmahan Services Ltd 269 Us Hwy 183 South Cuero TX 77954 Mcmahon Energy Partners LP 4545 S Monaco St #144 Denver CO 80237 MCMAHON ENERGY PARTNERS LP 4545 S MONACO ST #144 Denver CO 80237 Mcmurry University Box 308 Abilene TX 79697 Mcnamara, Patrick Address Redacted Mcnamee, Ashley Address Redacted Mcnear, Scott Address Redacted MCNEIL DEVELOPMENT LLP 5014 RIVERFRONT PLACE Mandan ND 58554 Mcneill Development LLP Keep Safe Storage 14200 Duke Hwy Alva FL 33920 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 406 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 409 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mcnerney, Rachel Address Redacted Mcnic Oil & Gas Properties Inc One Energy Plaza Detroit MI 48226 Mcnutt Family Trust 2699 Niehenke Dr Sidney MT 59270 Mcp Orion LLC 5555 Dtc Parkway Ste 310 Greenwood Village CO 80111 MCP ORION LLC 5555 DTC PARKWAY STE 310 Greenwood Village CO 80111 Mcpherson Consulting LLC 10159 Highway 16 Savage MT 59262 McPherson Consulting, LLC Adam McPherson 10159 Highway 16 Savage MT 59262 Mcquigg, Clifford Address Redacted Mcr Properties LLC PO Box 13528 Jackson MS 39236-3528 Mcreynolds Survivors Trust Lillian L Mcreynolds Trustee Address Redacted Mct Energy Ltd 550 West Texas Avenue Ste 945 Midland TX 79701

MCT ENERGY LTD 550 WEST TEXAS AVENUE, STE 945 Midland TX 79701 Md Family Ventures LLC 7023 N Classen Blvd Oklahoma City OK 73116 Mdavis Oil LLC 7 Sw 26 Ave Great Bend KS 67530 Mead Lumber & Rental- Sterling PO Box 1070, 265 E Chestnut Sterling CO 80751 Mead, Adelle Address Redacted Mead, Ginny Address Redacted Meade Oil & Gas Texas LLC 5605 N Classen Boulevard Oklahoma City OK 73118 Meadowlark Midstream Company, LLC Dba Bear Tracker Energy, LLC Attn: Vp Finance 1512 Larimer Street Suite 540 Denver CO 80202 Meagher Oil & Gas Properties Inc PO Box 4782 Englewood CO 80155-4782 Meals On Wheels Foundation 1760 East 12Th Street Casper WY 82601 Meany, Ronda Address Redacted Measurement Services LLC PO Box 2360 Casper WY 82602-9903 Meck, Stanley Address Redacted Medard B Kaisershot & Rosemary C Kaisershot Joint Tenants Address Redacted Medardo C. Hernandez Address Redacted Mediant Communications Inc 17 State St 7th Floor New York NY 10004 Medicine Bow Land Company LLC PO Box 280 Laramie WY 82073 Medina Partners LLC 4801 Bonita Bay Blvd. Unit 1901 Bonita Springs FL 34134 Medina, Trina Address Redacted Medora J Rambousek C/O Sandra L Rambousek Address Redacted Medrine Diane Pettis Address Redacted Meech Property Trust Charles E Meech, Trustee Address Redacted Meek Family Mineralpartnership 3240 Lloyd Mangrum Ln Billings MT 59106-1105 Meeker Sand & Gravel Inc PO Box 1550 Meeker CO 81641 Meemim Inc 238 Dunforest Ave Toronto ON M2N 4J9 Canada Mees Implement Address Redacted Megadyne Services Co Inc PO Drawer G Kermit TX 79745 Megan Allsup Cowart Address Redacted Megan Boe Address Redacted Megan E Shaw Address Redacted Megan Fay Meloni Address Redacted Megan Mann Address Redacted Megan T Leiss Address Redacted Megaport Usa Inc 1055 West 7th St 33rd Floor Los Angeles CA 90017 Mehl Revocable Mineral Trust Caroline M Mehl As Trustee Address Redacted Meidinger Consulting LLC 966 Cherry Ave Dickinson ND 58601 Meier Family Revocable Trust Jane F Meier & Howard E Meier As Trustees Address Redacted Meiers, Chandler Address Redacted Mekusukey Oil Company LLC PO Box 816 Wewoka OK 74884-0816 Mel & Meredythe Bagley Irrev Trust Meredythe Bagley Trustee Address Redacted Mel Energy Inc 4721 Kites Lane Bismarck ND 58503 MEL ENERGY INC 4721 KITES LANE Bismarck ND 58503 Melani Wakefield Address Redacted Melanie Carlson Address Redacted MELANIE CLIFFORD NEDRUD Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 407 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 410 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Melanie Clifford Nedrud Rev Trust Dtd 1/27/2000 Address Redacted Melanie Keeling Address Redacted Melanie Larae Wead Address Redacted Melanie M Malson Address Redacted Melanie Marie Kallenberger Address Redacted Melanie R Beagle Address Redacted Melanie Roeder Address Redacted Melanie Swearingen Address Redacted Melanie Vandenbos Address Redacted Melanie Williams Address Redacted Melba Heller Address Redacted Melbourne H Lee Address Redacted Melby, Kadee Address Redacted Melenie Kooistra Address Redacted Melford Johnson Address Redacted Melinda A Aaland Address Redacted Melinda B & Lawrence D Kocian Address Redacted Melinda Kathryn Maita Address Redacted Melinda King Address Redacted Melinda N Elliss Address Redacted Melinda S Koster Address Redacted Melinda Sims Address Redacted Melinda T Thornton Address Redacted Melisa Jane Limon Address Redacted Melissa A Mcalmond Address Redacted Melissa Ann Elletson And Jason Ray Elletson Jtwros Address Redacted Melissa Ann Theige Address Redacted Melissa Baldridge Harrison Address Redacted Melissa C Smith Address Redacted Melissa D Hodges Address Redacted Melissa Deboer Address Redacted Melissa Fevold Address Redacted Melissa G Myers Address Redacted Melissa Holland Address Redacted Melissa J Halverson Address Redacted Melissa J Luth Address Redacted Melissa Jane Finnell Address Redacted Melissa K Mcdaniel Rubin Address Redacted Melissa Kathryn Mcdaniel Address Redacted Melissa Kay Irizarry Address Redacted Melissa King Lacour Address Redacted Melissa L Hovey Address Redacted Melissa L Vodney Address Redacted Melissa M Theurer Address Redacted Melissa Maasjo Address Redacted Melissa Paschke-Wood Address Redacted Melissa Rae Hardlannert Address Redacted Melissa Rosser Benson Address Redacted Melissa Schneider Address Redacted Melissa Wagner Address Redacted Melissa Willis Address Redacted Melissia Jo Bruce Address Redacted Mellgren Family Partnership Address Redacted Mellie Fite Davidson Address Redacted Mellissa A Selander Address Redacted Mellon Bank Na & Charles Lockhart Co-Trustees Address Redacted Melodie J Nelson Address Redacted Melodie Voeltz Address Redacted Melody Bowman Address Redacted Melody Dahle Address Redacted Melody Davis Address Redacted Melody Flaten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 408 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 411 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Melody Hunsberger Address Redacted Melody Mcgann Address Redacted Melody Nesseth Kinney Address Redacted Melody Reding Address Redacted Melody Sheets Address Redacted Melody Sherven Address Redacted Melody Sue Limon Address Redacted Melody Wambach Address Redacted Melrose Briggs Address Redacted Melva L Herum Address Redacted Melva Lee Meredith Address Redacted Melvain L Hendricks Address Redacted Melvena Mae Yonkouski Address Redacted Melvin & Faye Kindel Fam Tst Melvin & Faye Kindel Trustees Address Redacted Melvin & Luella M Leland Joint Tenants Address Redacted Melvin A Brown Living Trust Melvin A Brown Trustee Address Redacted Melvin Aho Address Redacted Melvin And Morrene Wisdahl Address Redacted Melvin B Norby & Gudve A Norby Revocable Living Trust Address Redacted Melvin B Norby & Gudve A Norby Revocable Trust Address Redacted Melvin C Johnson Address Redacted Melvin D Harris Address Redacted Melvin E Ingeroi Address Redacted Melvin E Stordahl Address Redacted Melvin Frady Life Estate Address Redacted Melvin G Higdem Address Redacted Melvin H Gordon Address Redacted Melvin H Gordon Family Trust Andrew D Gordon, William E Gordon Ii, & Betsy H Gordon-Tr Address Redacted Melvin J Mcdanold Lenna R Mcdanold (Jt) Address Redacted Melvin J Pierce Sr Melva D. Hall, Administrator Address Redacted Melvin James Dschaak Address Redacted Melvin John Sjostrom Address Redacted Melvin K Olson Address Redacted Melvin K Olson Life Estate Address Redacted Melvin Krogen Jr Address Redacted Melvin Krogh Address Redacted Melvin L Armstrong And Darlene Armstrong Hw Address Redacted Melvin L Neufeld Address Redacted Melvin L Stout Address Redacted Melvin Leland Address Redacted Melvin Olson Address Redacted Melvin Schaff Address Redacted Melvin Tibert Address Redacted Melvin Tibert And Cathy Tibert Address Redacted Melvin W Mouser Address Redacted Melvin Wisdahl Address Redacted Memorial Hermann Hospital Sys Farmers National Company Agent Oil/Gas Dept Acct #1287656 PO Box 3480 Omaha NE 68103-0480 Memorial Production Operating Attn Accounts Payable 500 Dallas Street Houston TX 77002

Memorial Production Operating Attn Accounts Payable 500 Dallas Street Suite 1600 Houston TX 77002

Mendell Management Trust Sarah M Brown Succ Trustee PO Box 1429 Burnet TX 78611-1429 Menlo D Klingman Address Redacted Mental Health America Inc 500 Montgomery St Ste 820 Alexandria VA 22314 Meramec Oil & Gas Company 5715 Majestic Oak Way Parker CO 80134 Mercedes Carkuff Address Redacted Mercedes Gotwald Address Redacted Mercedes Porter Address Redacted Mercer (Us) Inc PO Box 730212 Dallas TX 75373-0212 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 409 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 412 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Merchants Bank PO Box 465 Fairview MT 59221 Merco Of Oklahoma Inc PO Box 18607 Oklahoma City OK 73154 Mercuria Bakken LLC 20 E Greenway Plaza Ste 650 Houston TX 77046 MERCURIA BAKKEN, LLC ATTN: JAREK KOZLOWSKI 311 SOUTH WACKER DRIVE SUITE 1700 Chicago IL 60606 MERCURIA ENERGY TRADING 20 GREENWAY PLAZA SUITE 650 Houston TX 77046 MERCURIA ENERGY TRADING, INC. 20 GREENWAY PLAZA SUITE 650 Houston TX 77046 MERCURIA ENERGY TRADING, INC. 20 GREENWAY PLAZA SUITE 650 Houston TX 77046 Mercury Holdings LLC PO Box 27227 Houston TX 77227 MERCURY HOLDINGS LLC PO BOX 27227 Houston TX 77227 Mercury One Inc PO Box 140489 Irving TX 75014-0489 Mercy Ministries Of America PO Box 111060 Nashville TN 37222-1060 Meredith Children LLC Address Redacted Meredith G Mclaughlin Address Redacted MEREDITH HENDRICKSON Address Redacted Meredith Herseth Address Redacted Meredith J Hendrickson Address Redacted Meredith J Sansburn Address Redacted Meredith Kaye Arkin Address Redacted Meredith M Hummel Address Redacted Meredith Vickstrom Address Redacted Mereken Land & Production Co PO Box 17721 Fort Worth TX 76102-0721 Meridian 102 LP 16400 North Dallas Pkwy Ste 400 Dallas TX 75248 MERIDIAN 102 LP 16400 NORTH DALLAS PKWY STE 400 Dallas TX 75248 Meridian Commercial Construction Llc 6218 53rd Avenue South Fargo ND 58104 Meridian Oil Inc. Company Highyway 1126 Jennings LA 70546 Meridith Ann Wedberg Address Redacted MERIT ENERGY COMPANY 13727 NOEL RD SUITE 1200 Dallas TX 75240 Merit Energy Company Acct 1030003303 Po Box 843755 Dallas TX 75284-3755 Merit Management Partners I Lp 13727 Noel Road, Suite 1200 Dallas TX 75240 Merit Management Partners I LP PO Box 843727 Dallas TX 75284-3727

Merit N & Carol E Hancock Tr B Tom Hancock - Trustee Address Redacted MERITAIN HEALTH PO Box 853921 Richardson TX 75085-3921 Meritain Health PO Box 1652 Amherst NY 14226 MERITAIN HEALTH PO BOX 27847 Minneapolis MN 55427 MERITAIN HEALTH PO BOX 853921 Richardson TX 75085-3921 Meritain Health Inc PO Box 223881 Pittsburgh PA 15250-2881 300 CORPORATE Meritain Health, Inc. ATTN: CHAIRMAN AND CEO PARKWAY Amherst NY 14226 1425 Union Meeting Road, Meritain Health, Inc. c/o Aetna, Inc. Attn: David Scott Mail Code U23S Blue Bell PA 19422 77 West Wacker Drive, Meritain Health, Inc. c/o McGuireWoods LLP Attn.: Aaron McCollough Suite 4100 Chicago IL 60601 Merkley Oilfield Service Inc PO Box 1476 Vernal UT 84078 Merlaine Welch C/O Chartered Bank Of London 1145 San Marino Drive San Marcos CA 92069 Merle & Brenda Mckean Rev Living Trst Dtd 8-11-17 Merle & Brenda Mckean - Tr Address Redacted Merle A Shedelbower Address Redacted Merle Almer Address Redacted Merle C Johnson Address Redacted Merle Dean Ellis Debbie Brumfield, Poa Address Redacted Merle Eileen Brock Address Redacted Merle L Daley Address Redacted Merle L Peterson Address Redacted Merle R Nylander And Patricia Nylander Address Redacted Merle Rambousek Address Redacted Merle Rasmussen Address Redacted Merle Reamer Address Redacted Merle Steele Address Redacted Merle Weaser Address Redacted Merlin Dahl Address Redacted Merlin E Rudd Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 410 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 413 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Merlyn Dean Larson Address Redacted Merlyn Liesener C/O Richard Liesener Aif Address Redacted Merlyn O Landmark Address Redacted Merlyn Richard Allick Address Redacted Merrel Kjosen C/O Donald L Kjosen Aif Address Redacted MERRILL COMMNICATIONS LLC 733 MARQUETTE AVE STE 600 Minneapolis MN 55402-2352 Merrill Communications LLC 733 Marquette Ave Ste 600 Minneapolis MN 55402-2352 MERRILL CORPORATION 733 MARQUETTE AVENUE Minneapolis MN 55402 Merrill F Lewis Delores M Lewis Jts Address Redacted MERRILL LYNCH COMMODITIES, INC. 20 EAST GREENWAY PLAZA 7TH FLOOR ATTN: LEGAL Houston TX 77046 Merrill Lynch Commodities, Inc. Attn: Legal 20 East Greenway Plaza 7th Floor Houston TX 77046 Merrill Lynch FBO Robert E. Smith Robert E. Smith 14548 Parallel Ave. Alpena MI 49707-8528 MERRILL LYNCH PIERCE FENNER & SMITH CHRIS WIEGAND VICE PRESIDENT 4804 DEAR LAKE DR E Jacksonville FL 32246 Merrill Lynch Pierce Fenner & Smith Dtc 8862 Earl Weeks 4804 Deerlake Dr. E. Jacksonville FL 32246 MERRILL LYNCH PIERCE FENNER & SMITH FIXED INCOME EARL WEEKS 4804 DEAR LAKE DR E Jacksonville FL 32246 Merrill Lynch, Pierce Fenner & Smith Inc. -Securities Lending Earl Weeks 4804 Deer Lake Dr. E. Jacksonville FL 32246 Merrill Lynch, Pierce Fenner & Smith Earl Weeks Attn: Corporate Actions 4804 Deer Lake Dr. E. Jacksonville FL 32246

Merrill Lynch, Pierce Fenner & Smith Earl Weeks C/O Merrill Lynch Corporate Actions 4804 Deer Lake Dr. E. Jacksonville FL 32246 Merrill Lynch, Pierce, Fenner & Smith Incorporated Earl Weeks 4804 Dear Lake Dr E Jacksonville FL 32246 Merrill Lynch, Pierce, Fenner & Smit Earl Weeks 4804 Dear Lake Dr E Jacksonville FL 32246 Merry C Dewey Address Redacted Merry Jo Hansen Ttee Merry Jo Hansen Family Trust Address Redacted Merry S Smith Address Redacted Mervin And Diane Nordeng Life Estate Address Redacted Mervin Nordeng & Diane Nordeng - Joint Tenants Address Redacted Merwin Enterprises LLC 105 Portland Williamsburg VA 23188 Merwyn Wylie Laird Thompson C/O Regions Bank Operations Trust Account #431375013 PO Box 11566 Birmingham AL 35202 Mesa Dept 1260 Tulsa OK 74182 Mescalero Minerals LLC 6100 S Yale Ave Suite 1700 Tulsa OK 74136 Mesquite Oil Tools Inc PO Box 668 Snyder TX 79549 Message Center Inc 322 Main St Ste 10 Williston ND 58801 Messer, Kelley Address Redacted Met Set Consulting Usa Ltd 18911 W Industrial Pkwy New Caney TX 77357 Meta Gebers Packer Alta Loma CA 91701 Metalogix International PO Box 83304 Woburn MA 01813-3304 METASOURCE

(PREVIOUSLY - DATAIMAGE INC #73713) 1900 FROST ROAD STE 100 Bristol PA 19007 Metasource LLC Dataimage Inc 1900 Frost Road Ste 100 Bristol PA 19007 Metasource, LLC 67 West 13490 South Suite 300 Draper UT 84020 METASOURCE, LLC 1900 FROST ROAD SUITE 100 Bristol PA 19007

METASOURCE, LLC 67 WEST 13490 SOUTH, SUITE 300 Draper UT 84020 Metcalfe Family Enterprises Ltd 6200 County Road 477 May TX 76857 Metcalfe Minerals LP PO Box 8049 Rancho Santa Fe CA 92067 Methodist Childrens Home Farmers National Co., Agent PO Box 3480, Oil & Gas Dept Omaha NE 68103-0480 Metrix Instrument P.O.Box 945875 Atlanta GA 30394-5875 Metro Caring 1100 18th Ave Denver CO 80218 Metropolitan Life Insurance Co Attn: Land Department PO Box 1100 Edmond OK 73083-1100 Metropolitan Royalty Corp PO Box 605 South River NJ 8882 Mette J Pedersen 209 Horton Ln Nw Albuquerque NM 87114 Metz, Vicki Address Redacted Metzger Coulter Resources LLC 5703 N 158th St Omaha NE 68116 Mewbourne Oil Co P O Box 7698 Tyler TX 75711 MEWBOURNE OIL COMPANY PO BOX 7698 Tyler TX 75711 Meyer Irrevocable Mineral Tr Alan Nikolaisen - Trustee Address Redacted Meyer, Jeannie Address Redacted Meyer, Matthew Address Redacted Meyer, Michelle Address Redacted Mezydlo, Cara Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 411 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 414 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MFCP INC 8433 SOLUTION CENTER Chicago IL 80677-8004 Mfcp Inc 8433 Solution Center Chicago IL 60677-8004 MFCP INC PO BOX 270088 Littleton CO 80127-0088 Mg & Lillie A Johnson Foundation Inc Address Redacted Mgt Energy LP PO Box 999 Navasota TX 77868 Mha Petroluem Consultants LLC 730 17th St Ste 410 Denver CO 80202 Mhl LLC 1777 S Harrison St #1300 Denver CO 80210 Mhm Resources LP PO Box 202656 Dallas TX 75320-2656 MHM RESOURCES LP PO BOX 202656 Dallas TX 75320-2656 Mhm Resources LP (Unleased Int) PO Box 202656 Dallas TX 75320-2656 M-I LLC PO Box 732135 Dallas TX 75373-2135 MI Secretary Of States Office Michigan Department Of State Lansing MI 48918

M-I, L.L.C. d/b/a MI-SWACO Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Mia Myrvik Address Redacted Mic Dav Inc 55 Buffalo Drive Kalispell MT 59901 Michael & Brenda Kok Address Redacted Michael & Cheryl Lacey Address Redacted Michael & Elizabeth Dolan Address Redacted Michael & Erica Guinn Revoc Address Redacted Michael & Kathleen Gieseke Revocable Trust Address Redacted Michael & Linda Sullivan Ttees Of The Michael & Linda Sullivan Family Trust Address Redacted Michael & Lynette Wicorek Address Redacted Michael & Vicki Burnham Address Redacted Michael A & Mavis A Sevigny Jt Address Redacted Michael A Barbour Address Redacted Michael A Bryan Address Redacted Michael A Love Address Redacted Michael A Mercier Address Redacted Michael A Mulholland Address Redacted Michael A Potito Address Redacted Michael A Raines Address Redacted MICHAEL A SEVIGNY OR MAVIS Address Redacted Michael A Siech Address Redacted Michael A Sondrol Address Redacted Michael A Stieren Address Redacted Michael A Syring Address Redacted Michael A Waller Address Redacted Michael A Young Address Redacted Michael Adrian Lee Address Redacted Michael Alaga Address Redacted Michael Alg Address Redacted Michael Allen Bauer Address Redacted Michael And Fonda Martin Address Redacted Michael And Mary Perkins Family Revocable Tr Uad 5-4- 18 Michael And Mary Perkins Tte Address Redacted Michael Anthony Mahtook Jr Address Redacted Michael Anthony Wall Address Redacted Michael B & Pamela B Uran Address Redacted Michael B & Roberta Obach J/T & Life Estate Address Redacted Michael B Busenhart Address Redacted Michael B Collins Address Redacted Michael B Hankins Address Redacted Michael B Jewell Suzanne N Jewell Family Tust Address Redacted Michael B Lind Address Redacted Michael B Long Address Redacted Michael B Walen Address Redacted Michael B Welch & Holly Welch Living Trust Michael & Holly Welch Trustees Address Redacted Michael B. Walen Address Redacted Michael Barger Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 412 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 415 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michael Berkey Address Redacted Michael Bocian Address Redacted Michael Borgen Address Redacted Michael Borsheim Address Redacted Michael Brian Sullivan And Sharon L Sullivan Address Redacted Michael Bruce Bussell Address Redacted Michael C Dowd Address Redacted Michael C Hardy Address Redacted Michael C Johnson Address Redacted Michael C. Smith Address Redacted Michael Carl Muenchow Address Redacted Michael Chanse Allen Address Redacted Michael Charles Oberbillig Address Redacted Michael Childress Address Redacted Michael Corliss Address Redacted Michael D & Karen L Riley Address Redacted Michael D Blankenship Address Redacted Michael D Coldewey Address Redacted Michael D Dillavou Address Redacted Michael D Fitts Address Redacted Michael D Fridley Address Redacted Michael D Gallagher Address Redacted Michael D Goldfein Address Redacted Michael D Gollob Oil Co LP Address Redacted Michael D Homiston Address Redacted Michael D Iversen Address Redacted Michael D Lewis Address Redacted Michael D Milling Address Redacted Michael D Schwartz Address Redacted Michael D Sweeney Address Redacted Michael D Thompson Address Redacted Michael D Volney Address Redacted Michael D Weber Address Redacted Michael D Wright Address Redacted Michael David Alexander Address Redacted Michael David Hughes Address Redacted Michael Davis Address Redacted Michael Dennis Walker Address Redacted Michael Denowh Address Redacted Michael Dolyniuk Estate C/O Theresa Vanderstaay Personal Representative Address Redacted Michael Donnelly Ward Address Redacted Michael D'Rozario Address Redacted Michael Duane Dschaak Address Redacted Michael Durantino Address Redacted Michael Dwyer Address Redacted Michael Dykes Address Redacted Michael E & Connie J Kasian Family Minerl Trust, Trustees- Michael E & Connie J Kasian Address Redacted Michael E Alsop And Nancy H Alsop (Jt) Address Redacted Michael E Delaney Address Redacted Michael E Demski & Teresa Demski Address Redacted Michael E Gibala Address Redacted Michael E Hagen Address Redacted Michael E Hemmingson Address Redacted Michael E Hope Address Redacted Michael E Hovland Address Redacted Michael E Huddleston & Susan E Huddleston Address Redacted Michael E Kasian Address Redacted Michael E Kelldorf Address Redacted Michael E Welch Address Redacted Michael Earl Freeman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 413 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 416 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michael Earl Reynolds Address Redacted Michael Ekblad And Jennifer Ekblad As Jt Address Redacted Michael Engel Address Redacted Michael F Cerkovnik Sr Trustee Of Michael F Cerkovnik Sr Rev Living Trust Dtd 8/31/94 Address Redacted Michael F Hartman Address Redacted Michael F Ierulli Credit Trust Address Redacted Michael F Marohn IRA Address Redacted Michael F Morrissey Address Redacted Michael F Smith Revoc Lvg Trst Address Redacted Michael Fitchpatrick Address Redacted Michael Fitzmaurice Hr-10 U/A First Western Bank Address Redacted Michael Fridley Address Redacted Michael G Burns Address Redacted Michael G Hutchinson Address Redacted Michael G Kilzer Address Redacted Michael G Miller Address Redacted Michael G Pirics Address Redacted Michael G Wirtz Address Redacted Michael G. Hutchinson Address Redacted Michael Gerard Fetrow Address Redacted Michael H Christoffersen Address Redacted Michael H Gardner Address Redacted Michael H Gehrer Address Redacted Michael H Mitchell Address Redacted Michael H Sutton Address Redacted Michael Harman Address Redacted Michael Harrison Moore Address Redacted Michael Harrison Moore 2006 Tr 3Rd Amend & Restate Of Moore Revoc Tr Agmt - Dec 15, 1998 Address Redacted Michael Harrison Moore 2006 Tr Michael Harrison Moore Trustee Address Redacted MICHAEL HARRISON MOORE 2006 TRUST Address Redacted Michael Hoff Address Redacted Michael Homme Ttee Homme Family Trust Address Redacted Michael Hutchinson Address Redacted Michael J & Kimberly Sorenson Joint Tenants Address Redacted Michael J And Nancy S Busenhart Jt Address Redacted Michael J Arnegard Address Redacted Michael J Beaver & Susan K Beaver Ttees Under Michael J & Susan K Beaver Living Trust Address Redacted Michael J Becker Address Redacted Michael J Benson Address Redacted Michael J Bradley Address Redacted Michael J Carlson Address Redacted Michael J Coleman & Nancy K Lewis H/W Address Redacted Michael J Coughlin Address Redacted Michael J Coughlin Jr Address Redacted Michael J Digrappa Address Redacted Michael J Erickson C/O Patrick A Erickson Address Redacted Michael J Fitzmaurice Address Redacted Michael J Guinn Address Redacted Michael J Hamilton Address Redacted Michael J Homer Address Redacted Michael J Kordonowy Address Redacted Michael J Kramer And Gloria J Kramer As Ttees Of Succ In Tr Under Address Redacted Michael J Lee Address Redacted Michael J Legler Address Redacted Michael J Littlefield Address Redacted Michael J Littlefield Living Address Redacted Michael J Meldahl Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 414 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 417 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michael J Nelson Address Redacted Michael J Okeefe Address Redacted Michael J Otterstetter Address Redacted Michael J Reeb Address Redacted Michael J Reid Address Redacted Michael J Rourke Address Redacted Michael J Saracini Address Redacted Michael J Sauber Address Redacted Michael J Sorenson & Kimberly D Sorenson J/T Address Redacted Michael J Stiles Address Redacted Michael J Williams Address Redacted Michael J. Stevens Address Redacted Michael J. Unrein Address Redacted Michael James Desjarlais Address Redacted Michael James Legler Address Redacted Michael James Morgan Address Redacted Michael Jarred Libersat Address Redacted Michael Jeffrey Reichel Address Redacted Michael John Lee Address Redacted Michael Jon Kubik Address Redacted Michael Jon Vosper Address Redacted Michael Joseph Grimes Address Redacted Michael Joseph Newman Address Redacted Michael K Bowen Address Redacted Michael K Elstad Address Redacted Michael K Havelka Address Redacted Michael K Havelka & Renee Havelka Address Redacted Michael K Ruhland Address Redacted Michael K Shaw Address Redacted Michael K Stevens Address Redacted Michael Kennedy Address Redacted Michael Kenneth Bonnett Address Redacted Michael Kernen Address Redacted Michael King Address Redacted Michael Kjorstad Address Redacted Michael Koflanovich Address Redacted Michael L Dykes Revocable Tr Dtd 10-10-12 Address Redacted Michael L Harstad Address Redacted Michael L Hendricks Address Redacted Michael L Mcalmond Address Redacted Michael L Mccloud Address Redacted Michael L Meschke Address Redacted Michael L Muller Address Redacted Michael L Ough Address Redacted Michael L Pinnell Address Redacted Michael L Shan Address Redacted Michael L Williams Address Redacted Michael L Wollan Address Redacted Michael Lawlar Address Redacted Michael Lee Njos Address Redacted Michael Lee Palmer Address Redacted Michael Leo Whalen Jr Address Redacted Michael Levi Ostman Address Redacted Michael Litwinowicz Address Redacted Michael Loren Ross Address Redacted Michael Lynn Nelson Address Redacted Michael M & Jennifer Aretha Address Redacted Michael M Jacks Address Redacted Michael M Miles Address Redacted Michael M Phillips Address Redacted Michael M Winesanker Address Redacted Michael M Zebell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 415 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 418 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michael Mark Rudio Address Redacted Michael Mccune Address Redacted Michael Mcilwain Address Redacted Michael Melland Address Redacted Michael Miles Address Redacted Michael Monson Address Redacted Michael Moseley Address Redacted Michael Muehl Address Redacted Michael Nealey Address Redacted Michael Nelson Address Redacted Michael Ngo Address Redacted Michael Norman Dschaak Address Redacted Michael O Malarkey Address Redacted Michael O Malarkey Inc Address Redacted Michael Obach Address Redacted Michael Odermann Memorial Address Redacted Michael P Aucoin Address Redacted Michael P Cotter And Holly R Cotter Jtwros Address Redacted Michael P Hamilton Address Redacted Michael P Kary Address Redacted Michael P Knowles Address Redacted Michael P Sjoberg Address Redacted Michael P. Sullivan Address Redacted Michael Pack Address Redacted Michael Paul Fontenot Address Redacted Michael Paul Leroux Address Redacted Michael Petersen Address Redacted Michael Pfister Address Redacted Michael Priola Address Redacted Michael Purdy Address Redacted Michael Querciagrossa Address Redacted Michael R Boland Address Redacted Michael R Craig Address Redacted Michael R Odermann Address Redacted Michael R Ranum & Andrew G Ranum Ttees Michael R Ranum Irrev Tr Address Redacted Michael R Sannon And Holli A Sannon Jtwros Address Redacted Michael R Shannon Address Redacted Michael R Sutherland Address Redacted Michael Raymond Casteel Address Redacted Michael Redding Address Redacted Michael Reis Address Redacted Michael Robert Gallagher Testamentary Trust Jess Sellars - Trustee Address Redacted Michael Robins Address Redacted Michael Rothenheber Address Redacted Michael Roy Mehling And Brenda Lee Mehling Jtwros Address Redacted

Michael S Bernstein Recver For Lori Ann Hefner Account Address Redacted Michael S Bickerstaff Address Redacted Michael S Everett Address Redacted Michael S Falkenhagen Address Redacted MICHAEL S JOHNSON MANAGEMENT COMPANY ONE LLC PO BOX 2904 Denver CO 80201 Michael S Johnson Management Company One LLC PO Box 2904 Denver CO 80201 Michael S Johnson Management Company Two LLC PO Box 2904 Denver CO 80201 MICHAEL S JOHNSON MGMT PO BOX 2904 Denver CO 80201 Michael S Ruley Address Redacted Michael S Schneider Address Redacted Michael S Soehren Address Redacted Michael S Wilson Address Redacted Michael Schindler Address Redacted Michael Schmidt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 416 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 419 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michael Schwartz Address Redacted Michael Scissons Address Redacted Michael Scott Regan Address Redacted Michael Scott Schneider Address Redacted Michael Scott Trucking Inc Address Redacted Michael Seavello Address Redacted Michael Shaide Address Redacted Michael Smith Address Redacted Michael Stahl Address Redacted Michael Sverre Thorsrud Address Redacted Michael Szepanski Address Redacted Michael T Elkins Address Redacted Michael T Fitzmaurice Address Redacted Michael T Grogan Address Redacted Michael T Henning Address Redacted Michael T Waldren Jr Address Redacted Michael T. Petersen, IRA Address Redacted Michael Theron Smith Estate Justin M Smith - Pr Address Redacted Michael Thomas Maier Address Redacted Michael Tiffin Address Redacted Michael Turner Address Redacted Michael Vandeberg Address Redacted Michael Vendegnia Address Redacted Michael Veronda Address Redacted Michael Vosper Address Redacted Michael W Anderson Address Redacted Michael W Baucum Address Redacted Michael W Cartwright Address Redacted Michael W Monsour Address Redacted Michael W Severance Address Redacted Michael W Stanley Address Redacted Michael W Sundheim Address Redacted Michael W Taylor Address Redacted Michael W Thompson Address Redacted Michael W. & Helen A. Engstrom Address Redacted Michael W. Breland Address Redacted Michael Waldren Address Redacted Michael Walen Address Redacted Michael Wickham Address Redacted Michael William Chorske Address Redacted Michael Williams Address Redacted Michael Wright Deceased C/O Gregory P Wright Address Redacted Michael Wright Deceased C/O Jeannie L Wright Address Redacted Michaela Leandra Horton Address Redacted Michaele Elliott Address Redacted Michal E Marcum Dedwylder Address Redacted Micheal C & Debra J Moore Jtwros Address Redacted Michel Angelite Helvie Address Redacted Michel K. gallagher Address Redacted Michel Mccall Address Redacted Michel Stefonowicz Address Redacted Michel, David Address Redacted Michel, Gail Address Redacted Michele A Razdan Address Redacted Michele Ann Federman Address Redacted MICHELE BEAN SHELVIN Address Redacted Michele Cook Address Redacted Michele Davidson Address Redacted Michele E Gjovig Address Redacted Michele Fleckton Hallock Rv Tr Farmers Nat'L Company, Agent Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 417 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 420 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michele Flekten Hallock Revocable Trust Dtd 3-31-77 Michelle Hallock - Trustee Address Redacted Michele Geyerman Keener Address Redacted Michele Glenn Address Redacted Michele Kay Maxham-Page Address Redacted Michele M Bennett Address Redacted Michele M Vannote Address Redacted Michele R Knots Address Redacted Michele R Knotts Address Redacted Michelle & Daniel Riddle Jt Address Redacted Michelle Abbey Stewart Address Redacted Michelle Acosta Address Redacted Michelle Barstad Address Redacted Michelle Brehm Address Redacted Michelle D Edwards Address Redacted Michelle D Noe Address Redacted Michelle D Owen Address Redacted Michelle Elaine Isom Meister Address Redacted Michelle Falk Address Redacted Michelle Fielding Address Redacted Michelle Franz Address Redacted Michelle Grass Address Redacted Michelle Ilene Moe Life Estate Address Redacted Michelle J Janko Address Redacted Michelle J. & Charles Janko Address Redacted Michelle Joann Erickson Address Redacted Michelle Kessel Address Redacted Michelle L Alexander Address Redacted Michelle L Heller Address Redacted Michelle L Wilson Address Redacted Michelle Loffelmacher Address Redacted Michelle M Williams Address Redacted Michelle Maxwell Address Redacted Michelle Mccoy Address Redacted Michelle Miller Heir Of Emma M (Dean) Miller (Heir Of Christian Laempale) Address Redacted Michelle Moe Address Redacted Michelle Morley Address Redacted Michelle Murphy Address Redacted Michelle Murray Address Redacted Michelle Norine Address Redacted Michelle R Payne Address Redacted Michelle R Pettit Address Redacted Michelle R Petz Trust Share Michelle R Petz & Janine M Underdahl - Trustees Address Redacted Michelle R Richardson Address Redacted Michelle R Togstad Matney Address Redacted Michelle Rieniets Address Redacted Michelle Talbot Address Redacted Michelle Wheeler Address Redacted Michigan Department of Environment, Great Lakes, and Energy Constitution Hall 525 West Allegan PO Box 30473 Lansing MI 48909 MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT LAKES, AND ENERGY (EGLE) P.O. BOX 30256 Lansing MI 48909-7756

MICHIGAN DEPARTMENT OF NATURAL RESOURCES P.O. BOX 30028 Lansing MI 48909 G. Mennen Williams Building, 7Th Michigan Department Of The Attorney General Floor 525 W Ottawa St Lansing MI 48933 Michigan Department Of Treasury 430 W Allegan St Lansing MI 48933 Michigan Department Of Treasury PO Box 30059 Lansing MI 48909 Michigan Department of Treasury Attn: Rachel Eubanks Austin Building 430 W Allegan Street Lansing MI 48922 Michigan Dept. Of Environmental Quality Geological Survey Division Po Box 30256 Lansing MI 48909-7756 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 418 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 421 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Michigan Dept. Of Natural Resources Office Of Minerals Management Po Box 30452 Lansing MI 48909 Michigan EEOC - Detroit Field Office Attn: Gail Cober Patrick V. McNamara Building 477 Michigan Avenue Room 865 Detroit MI 48226

Michigan Occupational Safety and Health Administration Lansing State Plan Office 530 W Allegan Street PO Box 30643 Lansing MI 48909 Michigan Office of the Attorney General Consumer Protection Division PO Box 30213 Lansing MI 48909 Michigan Sales & Use PO Box 30778 Lansing MI 48909 Michigan Wireline Services Inc P O Box 782 Mt Pleasant MI 48804-0782 Mick Kaiser Address Redacted Mickael R Hutter Address Redacted Mickey D Duerre Address Redacted Mickey L Mulholland Address Redacted Mickey Willis Address Redacted Micotan Software Company Ltd 500, 1015 4th St Sw Calgary AB T2R 1J4 Canada Micro Motion Inc 22737 Network Place Chicago IL 60673-1227 8000 Norman Center Drive, Suite Micro Motion Inc. Chris Hanson 1200 Bloomington MN 55437 8000 Norman Center Drive, Suite MicroMotion Chris Hanson 1200 Bloomington MN 55437 C/O LEGAL AND CORPORATE MICROSOFT CORPORATION AFFAIRS ONE MICROSOFT WAY Redmond WA 98052 Microsoft Licensing Gp Lockbox 842467 1950 N Stemmons Fwy Ste 5010 Dallas TX 75207 Mid Michigan Fire Protection 606 Clear Lake Rd West Branch MI 48661 Midland Central Appraisal District Po Box 908002 4631 Andrews Hwy Midland TX 79708-0002 Midland Energy Library 2900 W Front St Midland TX 79701-7137 Midland Ira Inc Fbo David Kennedy #7237601 PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo Michael Fitchpatrick #7309601 Address Redacted Midland Ira Inc Fbo Paul Koenig #6535802 PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo Ronald Carpenter #7215601 PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo Wayne W Farthing PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo William C Maupin PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo William Parnell Townley #7287501 PO Box 07520 Fort Myers FL 33919 Midland Ira Inc Fbo Willie Janik #7199201 PO Box 07520 Fort Myers FL 33919 Midland Map Company LLC P O Box 1229 Midland TX 79702-1229 Midland Securities Department 542 Builders Exhcange Minneapolis MN Midland Trust Address Redacted Midland Ymca 800 N Big Spring St Midland TX 79701 MID-RIVERS COMMUNICATIONS PO BOX 280 904 C AVENUE Circle MT 59215 Mid-Rivers Telephone Cooperative Inc 904 C Avenue Circle MT 59215 MID-RIVERS TELEPHONE COOPERATIVE INC 904 C AVENUE Circle MT 59215 Mid-Rivers Telephone Coop 904 C Avenue Circle MT 59215 Mid-Rivers Telephone Cooperative Inc 904 C Avenue Circle MT 59215 Midstate Telephone Company LLC PO Box 400 Stanley ND 58784 Midway Land Company LLC 3417 Evanston Ave North #328 Seattle WA 98103 Mid-West Hose & Specialty Inc PO Box 96558 Oklahoma City OK 73143-6558 Midwest One Bank Trustee Walter L Mcquiston Community Trust Agmt Dtd 9/22/1954 PO Box 1700 Iowa City IA 52244 Midwest Resources 86-1 Oil & Gas Drilling Program PO Box 76 Elm Grove WI 53122 Midwest Resources Inc PO Box 76 Elm Grove WI 53122 Midwest Royalties Inc PO Box 8149 Roswell NM 88202 Mike & Georgina E Linghor Revocable Living Trust - Mike And Georgina Linghor -Trustees Address Redacted MIKE & JOYCE GLASPEY Address Redacted Mike & Karen Obrien Jt Address Redacted Mike & Sherry Strasheim Jt Address Redacted

Mike & Terry Sherman Revocable Trust Dtd October 10, 2013 Mike Sherman & Terry L Sherman Co-Trustees Address Redacted Mike & Virginia Cebell Address Redacted Mike A. Kingston Address Redacted Mike Brien Address Redacted Mike C Kulhanek Address Redacted Mike Everett Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 419 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 422 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mike F Dolan Trustee Of The Dorothy K Dolan Living Trust U/A Dtd 8/21/2000 Address Redacted MIKE GOLDEN ESTATE Address Redacted Mike Golden Estate Jeffrey J Golden Pr Address Redacted Mike Golden Inc Address Redacted Mike Kadane Address Redacted Mike Kenow Address Redacted Mike Lahti & Julene Lahti Jt Address Redacted Mike Malaca Address Redacted Mike Maus Family Trust Michael J Maus, Trustee Address Redacted Mike Nickeson Address Redacted Mike Otoole Address Redacted Mike Rogers Oil And Gas Inc Address Redacted Mike T Duletsky 2013 Dynasty Trust Dtd Dec 6, 2013 Sylvia A Hack, Trustee Address Redacted Mike Walters Specialty Address Redacted Mike Wicorek Address Redacted Mikel Oneill Attn: T O'Neill Address Redacted Mikes Oil Well LLC PO Box 129 Palmer TX 75152 Milburn Investments LLC PO Box 141 Midland TX 79702-0141 MILBURN INVESTMENTS LLC PO BOX 141 Midland TX 79702-0141 Milco Inc P O Box 1542 Magnolia AR 71754-1542 Mildred Albertson & Gerald Albertson Address Redacted Mildred Albertson & Gerald Albertson, Jnt Tnts Address Redacted Mildred Angelia Pierce Villa Address Redacted Mildred Arroyo Address Redacted Mildred Criddle Address Redacted Mildred E Fisher Danielle Pitts Aif Address Redacted Mildred Emter Address Redacted Mildred G Kleinschmidt Address Redacted Mildred Gifstad Terry Shervren Aif Address Redacted Mildred I Kirschman Address Redacted Mildred J Hoelscher Denecour Address Redacted Mildred J Larson & John D Larson Address Redacted Mildred L Grace Address Redacted Mildred Larson Address Redacted Mildred M Williams Address Redacted Mildred Monson Address Redacted Mildred Ohara Address Redacted Mildred Prinz Address Redacted Mildred Robertson Address Redacted Mildred Roggenbuck Address Redacted Mildred Romanyshyn Address Redacted Mildred V Miller Fmly Minl Tr Loa Jean Orvik, Trustee Address Redacted Mildred Wagner Address Redacted Mile Hi Church Of Religious Science Address Redacted Miles & Marlene Johnsrud Family Mineral Trust Address Redacted Miles & Susan Wagner Address Redacted

Miles And Marlene Johnsrud Family Mineral Trust Miles G Johnsrud And Marlene K Johnsrud Co-Trustees Address Redacted Miles K Rodacker Address Redacted Miles W Dean Address Redacted Miles Wandersee Address Redacted Miles Well Service Inc PO Box 1751 Vernal UT 84078 Milestone Companies LLC 4626 County Road 65 Keenesburg CO 80643 Milestone Energy Corp 5910 S University Blvd C18432 Greenwood Village CO 80121 Milford D Canole Address Redacted Milford E. Prothe Lois M. Prothe JT TEN Address Redacted Mill Iron Mining LLC 801 8th St, Ste 130 Greeley CO 80631-3903 Millard K Stuart & Joanne S Stuart Address Redacted Millennium Funding For Running Horse Llc Po Box 327 Williamsville NY 14231 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 420 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 423 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Millennium Funding PO Box 327 Williamsville NY 14231 Miller & Kennedy Inc 6839 Raspberry Run Littleton CO 80125 Miller Family Survivors Trust Joe Miller Successor Trustee Address Redacted Miller Family Trust Dtd 5/5/05 Robert E Miller Trustee Address Redacted Miller Family Trust J Bernard Miller Ttee Address Redacted Miller Insulation Co Inc 3520 E Century Ave P O Box 1393 Bismarck ND 58502-1393 Miller Mineral LLC PO Box 470337 Fort Worth TX 76147 Miller Oil Co Box 408 Culbertson MT 59218 Miller Scott Address Redacted Miller, Bo Address Redacted Miller, Brent Address Redacted Miller, Craig Address Redacted Miller, James Address Redacted Miller, Jenna Address Redacted Miller, Shane Address Redacted Miller, Teddie Address Redacted Miller, Wesley Address Redacted Miller-Hfi LLC 428 N 2nd St La Salle CO 80645 Millers Consulting Limited Company 11501 Us Highway 20-26 Casper WY 82604-9524 Millicent Hendrickson Address Redacted Milligan, Clifford Address Redacted Milliken Historical Society C/O Patricia Bernhardt Po Box 92 Milliken CO 80543 Milliken Revocable Declaration Of Trust Dtd 12-19-95 Janet K Milliken - Trustee Address Redacted Millington, Debra Address Redacted Millsap Living Trust Address Redacted Milnor J Theige Estate Terry J Theige Personal Rep Address Redacted Milo & Julie Wisness Minerals Trust Milo Wisness, Trustee Address Redacted Milo Bjergum Address Redacted Milo C Undhjem Estate Address Redacted Milo Dean Kessel Address Redacted Milo J Syring Address Redacted Milo James Syring Trust Milo James Syring Ttee Address Redacted Milo K Borg Address Redacted Milo Lamphier Address Redacted Milo R Gunderson Address Redacted Milo W Sorenson Address Redacted Miltex Oil Company Address Redacted Milton A Cardwell Jr Address Redacted Milton Gross & June D Moreno J/T Address Redacted Milton H Kuhleman Address Redacted Milton Holdings LLC C/O Eddye Dreyer Financial Services, Llc Dallas TX 75206 Milton L Landmark Address Redacted Milton S Olson Address Redacted Milton Tweten Trustee Of The Tweten Family Mineral Revoc Living Trust U/A 03/14/12 Address Redacted Milton W Presler Address Redacted Mimanell Parry Rowe Address Redacted Mimipa Kahle Trst 1St Financial Tr & Asset Mgmt Address Redacted Mina Cox Address Redacted Mina Evenden Address Redacted Minco Oil And Gas Co A Texas Corporation PO Box 2317 Pampa TX 79066 Mindt, Bryce Address Redacted Mindy S Lagasse Address Redacted Mine Safety Appliances Company Llc Po Box 640348 Pittsburgh PA 15264-0348 Mineral Heritage LLC 24 South Weber St Ste 400 Colorado Springs CO 80903 Mineral Investment Corporation 3000 Wilcrest Suite 115 Houston TX 77042-3365 MINERAL INVESTMENT CORPORATION 3000 WILCREST SUITE 115 Houston TX 77042-3365 Mineral Services LLC PO Box 5440 Grand Forks ND 58206 MINERAL SERVICES LLC PO BOX 5440 Grand Forks ND 58206 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 421 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 424 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mineralogy Inc 3321 East 27th St Tulsa OK 74114 Ming Zhu Address Redacted Minh Vu Quang Address Redacted Mini Mart Inc 13316 N Macarthur Blvd Oklahoma City OK 73142 Of Commerce Unclaimed Property Minnesota Department Program 85 7th Place East, Suite 500 St Paul MN 55101 Minnesota Farms Company PO Box 155 Appleton MN 56208 Minnie K Patton Schlarshp Fund Bank Of America Trustee PO Box 840738 Dallas TX 75284-0738 Minnie L Simard Address Redacted Minnie Stevens Piper Foundatio 1250 Ne Looop 410 Suite 810 San Antonio TX 78209-1539 Minot Daily News PO Box 1150 Minot ND 58702 Minot Indoor Rodeo Inc PO Box 69 Minot ND 58702 Minot Paving Co Inc PO Box 1805 Minot ND 58702-1805 Minuteman Press 7388 S Revere Pkwy Unit 802 Centennial CO 80112 MIRADA 5555 DTC PARKWAY STE 310 Greenwood Village CO 80111 Mirada Energy Fund 1, LLC 5555 Dtc Parkway Ste 310 Greenwood Village CO 80111 Mirada Energy LLC 5555 Dtc Parkway Ste 310 Greenwood Village CO 80111 MIRADA ENERGY LLC 5555 DTC PARKWAY STE 310 Greenwood Village CO 80111 MIRADA ENERGY, LLC 5555 DTC PARKWAY SUITE 310 Greenwood Village CO 80111 Miranda Kadrmas 12820 37th St Sw Belfield ND 58622 Miriam Claridge Address Redacted Miriam M Brustuen 1825 North 185th Shoreline WA 98133 Miriam M Wengler 7424 Ely Lake Dr Eveleth MN 55734 MIRIAM THOMPSON Address Redacted Miriam-Elysse Evelyn Lambert Irrevocable Trust Marceil Malak - Trustee 7444 Meiners Rd Ledbetter TX 78946 Miss E Hyre Address Redacted Miss W R Bradley Address Redacted Missiana LLC 2450 Louisiana St Ste 400 Box 411 Houston TX 77006 Mission Central Lutheran Church - Missouri Synod 40718 Highway E-16 Mapleton IA 51034 Mississippi Department of Employment Security Attn: Mark Henry 1235 Echelon Parkway PO Box 1699 Jackson MS 39215 Mississippi Department of Environmental Quality PO Box 2261 Jackson MS 39225 MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY 6200 SOUTH QUEBEC STREET Greenwood Village CO 80111 Mississippi Department Of Revenue 500 Clinton Center Dr Clinton MS 39056 Mississippi Department Of Revenue PO Box 1033 Jackson Jackson MS 39215-1033 Mississippi Department Of Revenue PO Box 960 Jackson MS 39205 Mississippi Department of Revenue Address Redacted Mississippi Department of Revenue Bankruptcy Section PO Box 22808 Jackson MS 39225-2808 Mississippi Department of Treasury Attn: David McRae PO Box 138 Jackson MS 39205 Mississippi Department of Treasury Attn: David McRae Woolfolk Building 501 North West Street Sute 1101 Jackson MS 39201 Mississippi EEOC - Jackson Area Office Attn: Eszean McDuffie Dr. A. H. McCoy Federal Building 100 W Capitol Street Suite 338 Jackson MS 39269 Mississippi Gauge & Supply Company Po Box 2366 Laurel MS 39442 Mississippi Holdings LLC 1257 N Barman Ave Gonzales LA 70737 Mississippi Occupational Safety and Health Administration Jackson Area Office Dr. A. H. McCoy Federal Building 100 W Capitol Street Suite 749 Jackson MS 39269 Mississippi Office Of The Attorney General Walter Sillers Building 550 High St Ste 1200 Jackson MS 39201 Mississippi Office of the Attorney General Attn: Lynn Fitch 550 High Street Jackson MS 39201 Mississippi Office of the Attorney General Consumer Protection Division 550 High Street PO Box 22947 Jackson MS 39201 Mississippi Secretary of State Attn: Jessica Long Securities Division 125 S Congress Street Jackson MS 32901 Mississippi Secretary of State Attn: Jessica Long Securities Division PO Box 136 Jackson MS 39205 Mississippi State Oil & Gas Board 500 Greymont Ave, Suite E Jackson MS 39202-3446 Mississippi State Oil & Gas Bd. 500 Greymont Ave Ste E Jackson MS 39202 Mississippi State Oil & Gas Bd. 500 Greymont Ave, Suite E Jackson MS 39202-3446 Mississippi State Oil & Gas Board 500 Greymont Avenue Suite E Jackson MS 39202-3446 MISSISSIPPI STATE OIL AND GAS BOARD 500 GREYMONT AVE. SUITE E Jackson MS 39202-3446 Mississippi State Oil/Gas Board 500 Greymont Ave Ste E Jackson MS 39202 Mississippi State Oil/Gas Board 500 Greymont Ave, Suite E Jackson MS 39202-3446 Mississippi State Tax Commission Po Box 1033 Jackson MS 39125 Mississippi State Tax Commission PO Box 1033 Jackson MS 39125 Missouri Basin Well Serv Inc PO Box 1388 Dickinson ND 58602-1388 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 422 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 425 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MISSOURI BASIN WELL SERVICE INC (MBI ENERGY SERVICES)-8451 PO BOX 1388 Dickinson ND 58602-1388 Missouri Breaks Royalty LLC PO Box 3181 Englewood CO 80155-3181 MISSOURI RIVER ROYALTY 919 S 7TH ST STE 405 Bismarck ND 58504 Missouri River Royalty Corp 919 S 7th St Ste 405 Bismarck ND 58504 MISSOURI RIVER ROYALTY CORP 919 S 7TH ST STE 405 Bismarck ND 58504 MISSOURI RIVER ROYALTY CORPORATION 919 S 7TH ST STE 405 Bismarck ND 58504 Missouri State Treasurer Unclaimed Property Po Box 1272 Jefferson City MO 65102-1272 Missouri Valley Petroleum Inc PO Box 1117 Mandan ND 58554 Mistel Martinez Address Redacted Misty A Johnson Address Redacted Misty L Susic Address Redacted Mitch Ingman & Julie Ingman Address Redacted Mitch Palmer Address Redacted Mitch Tabor Yarbrough Address Redacted Mitch W Hale Address Redacted

Mitchel Dean Faulkner & Angela Grace Faulkner - Jtwros Address Redacted Mitchel Karam Address Redacted Mitchell C Durbin Address Redacted Mitchell J Dillavou Address Redacted Mitchell L Elkins Address Redacted Mitchell L Sondrol Address Redacted Mitchell Lydia Wayman R Lv Tr Dtd 10/14/14 Mitchell & Lydia, Trustees Address Redacted Mitchell Monson Address Redacted Mitchell Obrigewitsch Address Redacted Mitchell Opsta And Marsha Opsta Address Redacted Mitchell Rolle Billets Address Redacted Mitchell Royalties Ltd 113 Corporate Dr Midland TX 79705 Mitchell Royalty LP 17878 W 77th St N Haskell OK 74436-5048 Mitchell S Meyers Address Redacted Mitchell W Palaniuk Address Redacted Mitchell W. Fadal, Jr. Address Redacted MITCHELL, WILLIAMS, SELIG, GATES & WOODYARD, P.L.L.C. 5414 PINNACLE POINT DRIVE SUITE 500 Rogers AR 72758-8131 Mitchells Oil Field Serv Inc 12116 Hwy 16 Sidney MT 59270 MITCHELL'S OIL FIELD SERVICE INC, A WOOD GROUP COMPANY-308 12116 HWY 16 Sidney MT 59270 MITCHELL'S OILFIELD SERVICES, INC. ATTN: JOHN ALLEN 17325 PARK ROW Houston TX 77084 Mitchoil LLC 17878 West 77th St North Haskell OK 74436 MITCHOIL LLC 17878 WEST 77TH ST NORTH Haskell OK 74436 1221 AVENUE OF THE MITSUBISHI UFJ TRUST & BANKING CORPO EDWARD CAPLETTE VICE PRESIDENT AMERICAS 10TH FLOOR New York NY 10022 MITSUBISHI UFJ TRUST & BANKING CORPORATION NEW YORK BRANCH RICHARD WENSKOSKI 420 6TH FLOOR New York NY 10018 Mitzi M Maurer Address Redacted Mizel Institute 4350 S Monaco St - 5th Floor Denver CO 80237 Mizuho Bank (USA) Robert Dimick 135 West 16th Floor New York NY 10020 Mizuho Trust & Banking Co. (USA) Robert Dimick 135 West 50th Street 16th Floor New York NY 10020 Mj Link Investments LLC 14085 Highway 40 Nw Milan MN 56262 Mj Logs Inc 3333 S Bannock St Ste 600 Englewood CO 80110 Mjm Land Development LLC 1901 N Central Expressway #300 Richardson TX 75083 Mk Colorado LLC 2311 Cedar Springs Suite 350 Dallas TX 75201 M-K Hydrovac Inc 808 County Road 215 Parachute CO 91635 Mkcdm Minerals LLC 5504 Dusty Court Colleyville TX 76034 Ml Bowman Inc Dba Road Runner 174 S Yellowstone Hwy Thermopolis WY 82443 Mlb Resources LP 1202 Richardson Dr #115 Richardson TX 75080 MARY LESLIE WELLS GEN MLG PARTNERS LTD PARTNER 4212 LOMO ALTO #202 Dallas TX 75219-1564 Mlg Partners Ltd Mary Leslie Wells Gen Partner 4212 Lomo Alto #202 Dallas TX 75219-1564 Mmcdt LLC 32156 Fox Run Lane Evergreen CO 80439 Mmi Excavation LLC 9993 Desert Road Bismarck ND 58504 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 423 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 426 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MMI Excavation llc James P Small 9993 Desert Rd Bismarck ND 58504 Mmi Family LLC 17123 Silverthorne Lane Spring TX 77379 Mmsg Limited Partnership PO Box 12308 Dallas TX 75225 MMSG LIMITED PARTNERSHIP PO BOX 12308 Dallas TX 75225 Mn Secretary Of States Office 60 Empire Dr #100 St Paul MN 55103 Moberg, Tyrell Address Redacted Mobil Exploration & Producing North America Inc C/O Xto Energy Inc. Agent PO Box 730587 Dallas TX 75373-0587 MOBIL EXPLORATION & PRODUCING US, INC. 3000 PEGASUS PARK DRIVE Dallas TX 75247 MOBIL OIL EXPLORATION & PRODUCING C/O CORPORATION SERVICE SOUTHEAST INC. COMPANY 320 SOMERULOS STREET Baton Rouge LA 70802 Mobil Prod Tx & Nm Inc PO Box 951027 Dallas TX 75395-1027 Mobile Mini LLC - Co PO Box 7144 Pasadena CA 91109-7144 Mobile Solutions Services 10731 E Easter Ave Ste 105 Centennial CO 80112 MOBILE SOLUTIONS SERVICES HOLDINGS, LLC 10731 EAST EASTER AVENUE SUITE #105 Centennial CO 80112 MOBILEIRON 490 EAST MIDDLEFIELD ROAD Mountain View CA 94043 Mobileware Inc 4500 E Cherry Creek Dr S Ste 650 Glendale CO 80246 Mobil-Gc Corporation C/O Xto Energy, Agent PO Box 730586 Dallas TX 75373-0586 Moblize Inc 5177 Richmond Ave Ste 502 Houston TX 77056 Modern Machine Works Inc PO Box 877 Williston ND 58802-0877

Moe Childrens 2012 Exempt Trusts Keith E Moe Trustee 1 Chapin Ln Austin TX 78746 Moe Mineral Trust First National Bank & Trust - Trustee Address Redacted Moe Well Service LLC 10069 Nw White Earth ND 58794-9669 Moe, Cameron Address Redacted Moe, Matthew Address Redacted MOELIS TWO ALLEN CENTER 1200 SMITH STREET SUITE 1900 Houston TX 77002 Mo-Fung Cheung Address Redacted Mogor, Jeannine Address Redacted Mogus, Stephen Address Redacted Mohican Petroleum Inc 21 S Clark Street Ste 3980 Chicago IL 60603-2299 Mollet, Shawn Address Redacted Mollie S Haskell Address Redacted Molly D Brown Address Redacted Molly D Dolan Address Redacted Molly J & Fred L Yates Jt Address Redacted Molly Louise Wedum Address Redacted Molly Mullady Heraty Address Redacted Molly Tilden Mathistad Address Redacted Molly Vochko Silas Address Redacted Molm 2009 Family Trust Shelva J Molm, Ttee Address Redacted Momentum Minerals Operating LP 750 Town & Country Blvd Ste 210 Houston TX 77024 Mona Johnson Address Redacted Mona Johnston Address Redacted Mona M Mullin Address Redacted Mona Rae Martell Address Redacted Mona Sue Passenger Address Redacted Monarae J Tuhy Address Redacted Monarch Resources Inc 306 W Seventh Street Suite 701 Fort Worth TX 76102-4906 Moncla Workover & Drilling Operations Llc Drawer #2351 Po Box 5935 Troy MI 48007-5935 Mondak Fairview Cemetery PO Box 422 Fairview MT 59221 MonDak Portables LLC PO Box 397 Williston ND 58802-0397 Mondak Portables LLC PO Box 397 Williston ND 58802-0397 Mon-Dak Water & Septic Service Llc Po Box 1263 Stanley ND 58784 Monedero Royalties LLC 1805 Maberry Midland TX 79705 Monesi Family Trust Address Redacted Monica A Rava Address Redacted Monica And Barry Reiswig Address Redacted Monica Baisch Address Redacted Monica Cayko Address Redacted Monica J Fritsch Address Redacted Monica M Evans Anglin Address Redacted Monica M Roberts Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 424 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 427 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Monica Mayer Address Redacted Monica Renee Heimdal Address Redacted Monica S Johnson Address Redacted Monica Tierney Address Redacted Monique M Walters Address Redacted Monique Wilmot F/K/A Potter Address Redacted Monkota Petroleum Corp PO Box 77 Sidney MT 59270 MONKOTA PETROLEUM CORP PO BOX 77 Sidney MT 59270 Monmouth College 700 E Broadway Monmouth IL 61462

Monnahan Family Trust Marian And Kelly Monnahan Ttes Address Redacted Monoil Holdings Corporation 2204 Louisiana Second Floor Houston TX 77002 Mononi Inc PO Box 794 Cody WY 82414 Monsanto Company 5031 Westheimer Road #1300 Houston TX 77056 Montac Mineral Trust Tim D Lynch - Trustee Address Redacted Montaigne Minerals LLC PO Box 600787 Dallas TX 75360 Montana & Wyoming Oil Company PO Box 1324 Billings MT 59103-1324 Montana Board Of Oil & Gas Conservation 2535 St Johns Ave Billings MT 59102 Montana Childrens Home & Hospital PO Box 5539 Helena MT 59604 Montana Childrens Home And Hospital 840 Helena Ave Helena MT 59601 Montana Dakota Utilities Co 400 N. Fourth Street Bismarck ND 58501-4092 Montana Dakota Utilities Co 400 North 4th Street Bismarck ND 58501 Montana Dakota Utilities Co PO Box 5600 Bismarck ND 58506-5600 MONTANA DAKOTA UTILITIES CO PO BOX 5600 Bismarck ND 58506-5600 Montana Dakota Utilities Co. PO Box 5600 Bismarck ND 58506-5600 Montana Deparment Of State Lands Attn: Julie Mason 1539 Eleventh Ave Helena MT 56620-1601 Montana Department of Environmental Quality PO Box 200901 Helena MT 59620-0901 MONTANA DEPARTMENT OF ENVIRONMENTAL QUALITY 1520 E 6TH AVE Helena MT 59601 Montana Department Of Environmental Quality - Annual Emissions Fee 1520 E 6th Ave Helena MT 59601 Montana Department of Labor and Industry Attn: Galen Hollenbaugh PO Box 1728 Helena MT 59624 MONTANA DEPARTMENT OF NATURAL RESOURCES AND CONSERVATION, BOARD OF OIL AND GAS CONSERVATION 1539 ELEVENTH AVE. Helena MT 59601 Montana Department Of Revenue 125 N. Roberts 3Rd Floor Helena MT 59620 Montana Department Of Revenue PO Box 5805 Helena MT 59604-5805 Montana Department of Revenue Attn: Mike Kadas 125 N Roberts Street Helena MT 59601 Montana Department of Revenue Attn: Mike Kadas PO Box 5805 Helena MT 59604 Montana Department of Revenue Attn: Tammie Chenoweth Bankruptcy Unit PO Box 7701 Helena MT 59604-7701 Montana Department of Revenue Attn: Teresa G. Whitney Legal Services Office 125 North Roberts Street PO Box 7701 Helena MT 59604-7701 Montana Department of Revenue c/o Husch Blackwell LLP Attn: Lynn H. Butler 111 Congress Avenue Suite 1400 Austin TX 78701 Montana Department Of Revenue PO Box 6309 Helena MT 59604-6309 Montana Dept Of Environmental Quality Financial Services Office Po Box 200901 Helena MT 59620-0901 Natural Resources & Corporate Tax Montana Dept Of Revenue Division Sam Mitchell Building Po Box 5805 Helena MT 59604 Montana EEOC - San Francisco Distrcit Office Attn: William R. Tamayo 450 Golden Gate Avenue 5 West PO Box 36025 San Francisco CA 94102 Montana Historical Society PO Box 201201 Helena MT 59620 Montana History Foundation 1750 N Washington St Helena MT 59601 Montana History Foundation Inc 1750 N Washington St Helena MT 59601

Montana Occupational Safety and Health Administration Billings Area Office 2900 4th Avenue N Suite 303 Billings MT 59101 Montana Office of Consumer Protection Consumer Protection Division 555 Fuller Avenue Helena MT 59601 Montana Office of Consumer Protection Consumer Protection Division PO Box 200151 Helena MT 59620 Commissioner of Securities and Montana Office of State Auditor Attn: Matt M. Rosendale Insurance 840 Helena Avenue Helena MT 59601 Montana Office of the Attorney General Attn: Tim Fox Justice Building 215 N Sanders Street 3rd Floor Helena MT 59601 Montana Office Of The Attorney Genereal 215 N. Sanders Justice Building, Third Fl Helena MT 59601 Montana Oil Properties Inc 2812 1st Ave N Ste 305 Billings MT 59103 Montana Petroleum Assoc Inc 900 N Montana Ave Ste A3 Po Box 1186 Helena MT 59624-1186 Montana Tech Foundation 1300 West Park St Butte MT 59701-9981

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 425 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 428 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country MONTANA TECH OF THE UNIVERSITY OF MONTANA- 8683 1300 W PARK ST Butte MT 59701 Montana Wildhack LLC 761 Kalamath #A Denver CO 80204 Montanta Department Of Revenue Natural Resources & Corporate Tax Division PO Box 5805 Helena MT 59604 Monte & Juli B Sandvick Address Redacted Monte A & Lisa R. Thompson Address Redacted Monte A. Thompson Address Redacted Monte K Fjare Ttee Monte K Fjare Min & Royalty Tr Dtd 9/9/11 Address Redacted Monte Kinamon Address Redacted Monte Madsen Address Redacted Monte Meiers Address Redacted Monte Pesek Address Redacted

Monte R & Linda R Routledge Life Estate Address Redacted Monte R Laukala Address Redacted Monte R Routledge Address Redacted Monte Sandvick Address Redacted Monte Scott Shaide Address Redacted Monte Sprague Address Redacted Monte T Long Address Redacted Monte W Moore Address Redacted Montex Exploration Company 1675 Creekside Drive Sugar Land TX 77478 Montgomery & Andrews P A PO Box 2307 Santa Fe NM 87504 Montgomery Consulting LLC 2500 Dallas Pkwy Ste 300 Plano TX 75093 Montgomery Little Soran Pc 5445 Dtc Parkway #800 Greenwood Village CO 80111 Montgomery Little Young Campbell & Mcgrew Pc 1120 Lincoln St Ste 1500 Denver CO 80203 Montgomery Petroleum Inc 4925 Greenville Ave Ste 915 Dallas TX 75206 Monty Lerbakken Address Redacted Monty Miller Living Legacy Foundation 1117 65th Drive Lubbock TX 79412 Monty Sondrol Address Redacted Monty Younglund Address Redacted Moodys Investor Service PO Box 102597 Atlanta GA 30368-0597 Moon Lake Electric 800 W Highway 40 Roosevelt UT 84066-0337 Moon Lake Electric Po Box 337 Roosevelt UT 84066-0337 Moon Lake Electric Association Inc Po Box 337 Roosevelt UT 84066-0337 MOON LAKE ELECTRIC ASSOCIATION INC-8452 800 W HIGHWAY 40 Roosevelt UT 84066-0337 Moon Royalty LLC PO Box 720070 Oklahoma City OK 73172-0070 Moore & Shelton Co Ltd PO Box 3070 Galveston TX 77552-0070 Moore Family Mineral Trust Carol O Moore - Trustee Address Redacted Moore Industries-International 16650 Schoenborn St North Hills CA 91343-6196 Moore Resources LLC 1196 Alder Ave Dickinson ND 58601 MOORE RESOURCES LLC 1196 ALDER AVE Dickinson ND 58601 Moore, Dale Address Redacted Moore, Edward Address Redacted Moorman Schickram & Stephens Ltd C/O Colgate Mgmt Co 3319 Greenbrier Dr Dallas TX 75225 Morast, Bruce Address Redacted Morcon Specialty Inc PO Box 730 Vernal UT 84078 Morehouse, Gregory Address Redacted Morelli's Distributing PO Box 1517 Minot ND 58702 Morelli's Distributing Attn: Lola G Larcombe 6000 Hwy 2E PO Box 1517 Minot ND 58701 Morellis Distributing Inc PO Box 1517 Minot ND 58702-1517 Morenergy Exploration Co 410 17th Street Suite 1150 Denver CO 80202-4414 Morenergy Exploration Company 410 17Th Street Suite 1150 Denver CO 80202 Morey J Roth Address Redacted Morgan Capital Group Inc PO Box 4165 Ormond Beach FL 32175-4165 Morgan Cohen & Bach LLC 7225 N Mona Lisa Rd Ste 200 Tucson AZ 85741 MORGAN COUNTY 734 BARLOW RD Ft Morgan CO 80701 Morgan County Rural Electric 734 Barlow Rd Ft Morgan CO 80701 Morgan County Rural Electric Po Box 738 Ft Morgan CO 80701 Morgan County Rural Electric Association 20169 Us Hwy 34 Ft Morgan CO 80701 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 426 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 429 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Morgan County Rural Electric Association Po Box 738 Ft Morgan CO 80701 MORGAN COUNTY RURAL ELECTRIC ASSOCIATION 734 BARLOW RD Ft Morgan CO 80701 MORGAN COUNTY RURAL ELECTRIC-5440 734 BARLOW RD Ft Morgan CO 80701 Morgan Ernster Address Redacted Morgan Foster Address Redacted Morgan Jaye Fettig Address Redacted Morgan L Norris Address Redacted Morgan M West C/O Craig O West 16625 Se Woodland Heights Rd Amity OR 97101 Morgan R Sims Address Redacted Morgan Stanley & Co LLC/Sl Conduit Dan Spadaccini 901 South Bond St 6th Fl Baltimore MD 21231 Morgan Stanley & Co. LLC Corp Actions 1300 Thames Street 7th Floor Baltimore MD 21231 Morgan Stanley & Co. LLC Michelle Ford 901 South Bond St 6th Fl Baltimore MD 21231 Morgan Stanley & Co. LLC/ Sl Conduit Dan Spadaccini 901 South Bond St 6th Fl Baltimore MD 21231 Morgan Stanley Bank at Jose Arredondo Brickell Avenue 1111 Miami FL 33131 C/O MORGAN STANLEY & CO. ATTN: CLOSE-OUT MORGAN STANLEY CAPITAL GROUP INC. INCORPORATED 1585 BROADWAY NOTICES New York NY 10036-8293 Morgan Stanley Smith Barney LLC John Barry 1300 Thames St 6th Floor Baltimore MD 21231 Moriah Bowen Address Redacted MORK FAMILY FARM TRUST Address Redacted Morningstar Associates C/O Arnold B Chace 46 Aborn St 4th Floor Providence RI 2903 Moroni Propane PO Box 310 Moroni UT 84646 Morrene Wisdahl Address Redacted Morris And Tabor Minerals LLC An Oklahoma Limited Liability Co 5613 Nw 111Th Street Oklahoma City OK 73162 Morris Cerullo World Evangelis PO Box 23333 San Diego CA 92123 Morris Lee Martin Trust James P Spurgetis - Trustee Address Redacted Morrison Energy Interests LLC 3811 Turtle Creek Blvd Suite 1315 Dallas TX 75219 Morrow Energy 140-100-28 & 33 LLC 403 Corporate Center Drive Ste 201 Stockbridge GA 30281 Morse Energy Partners LLC 410 17th Street #1150 Denver CO 80202 Mort Lowenthal Address Redacted Morton Sherman & Pauline Sherman, H/W & Joint Tenants Address Redacted Morts Car Wash & Fuel Inc PO Box 26 50 South 1000 West Vernal UT 84078 Morts Electric Motor Repair Llc 2924 University Ave Williston ND 58801 C/O THE CORPORATION TRUST MOSAIC GLOBAL HOLDINGS, INC. CENTER 1209 ORANGE STREET Wilmington DE 19801 Mosbacher Usa Inc PO Box 301261 Dallas TX 75303-1261 Moser Minerals LLC 29599 Buchanan Dr Evergreen CO 80439 Moss Adams LLP PO Box 101822 Pasadena CA 91189-1822 Moss Gas LLC 101 S Moose St Morrilton AK 72110 Moss Trueblood LLC 5513 Barwick Dr Cave Creek AZ 85331 Most Precious Blood Catholic Church Of Corpus Christi 3502 Saratoga Blvd Corpus Christi TX 78415 Motion And Flow Control Products Inc PO Box 270088 Littleton CO 80127 Motor Supply Inc 1205 Bighorn Ave Worland WY 82401 Moultrup Family 1991 Trust Kevin Moultrup Trustee Address Redacted Mount Clare Royalty LLC PO Box 4204 Bismarck ND 58502 Mount Saint Vincent Home 4159 Lowell Blvd Denver CO 80211 Mountain Energy Corp PO Box 22046 Billings MT 59104 Mountain Lakes Professional Staffing 2906 1/2 3rd Ave E Hibbing MN 55746 Mountain Medicine LLC PO Box 2138 Williston ND 58802-2138 Mountain Mud Of North Dakota 1301 E Lincoln Street Gillette WY 82716 Mountain States Casing Co LLC PO Box 200388 Evans CO 80620-0388 Mountain States Employers Council Inc 1799 Pennsylvania Street P O Box 539 Denver CO 80201-0539 MOUNTAIN STATES IMAGING (MSI) 7050 SOUTH YOSEMITE STREET Centennial CO 80112 Mountain States Imaging LLC 7050 South Yosemite Street Centennial CO 80112 Mountain States Imaging LLC 7050 South Yosemite St Centennial CO 80112 MOUNTAIN STATES IMAGING, LLC 7050 S. YOSEMITE STREET Centennial CO 80112 Mountain States Minerals LLC 1550 Larimer St #313 Denver CO 80202 Mountain Supply And Service Llc Po Box 3111 Longview TX 75606 MOUNTRAIL COUNTY 8103 61ST STREET NW Stanley ND 58784 MOUNTRAIL COUNTY 8103 61ST STREET NW Stanley ND 58784 Mountrail County PO Box 248 Stanley ND 58784-0248 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 427 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 430 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mountrail County Fair Assoc 8101 61st St Nw Stanley ND 58784 Mountrail County Promoter Inc PO Box 99 Stanley ND 58784 Mountrail County Recorder PO Box 69 Stanley ND 58784-0069 Mountrail County Treasurer PO Box 69 Stanley ND 58784 Mountrail County Treasurer Stephanie Pappa As Trustee For C F Kimmel Address Redacted Mountrail County Treasurer Stephanie Pappa As Trustee For Mary Shafer Kimmel Address Redacted Mountrail County Treasurer Stephanie Pappa As Trustee For W R Andrews Address Redacted Mountrail County, ND Treasurer 101 S Main St Stanley ND 58784 Mountrail County, ND Treasurer PO Box 69 Stanley ND 58784 Mountrail-Williams Electric Cooperative PO Box 1346 Williston ND 58802-1346 Mountrail-Williams Electric Po Box 1346 Williston ND 58802-1346 Mountrail-Williams Electric Po Box 1346 218 58th St W Williston ND 58802-1346 MOUNTRAIL-WILLIAMS ELECTRIC COOPERATIVE PO BOX 1346 Williston ND 58802-1346 Mountrail-Williams Electric Cooperative PO Box 1346 Williston ND 58802-1346 Mountrail-Williams Electric Cooperative c/o Vogel Law Firm Attn: Jon R. Brakke 218 NP Ave PO Box 1389 Fargo ND 58107-1389 Mountrail-Williams Electric Cooperative c/o Vogel Law Firm Attn: Jon R. Brakke 218 NP Avenue PO Box 1389 Fargo ND 58107-1389 Movest Capital PO Box 2439 Albany TX 76430 Mowbray & Son Plumbing & Heating Po Box 878 Minot ND 58702-0878 Mozart LLC 375 16Th St Boulder CO 80302 Mp Energy Sharad G Porohit 7514 Dogwood Falls Rd Houston TX 77095 1515 Arapahoe, Tower 1, Suite MPLX LP Attn: Christopher Rimkus 1600 Denver CO 80202 Attn: Robert J. Dehney, Andrew R. c/o Morris, Nichols, Arsht & Tunnell Remming, and Joseph C. 1201 North Market Street, MPLX LP and Andeavor Field Services LLC LLP Barsalona II 16th Floor Wilmington DE 19801 MPLX ORIGINALLY GREAT NORTHERN GATHERING AND MARKETING LLC P.O. DRAWER 2360 455 NORTH POPLAR Casper WY 82602 Mr Macs Minerals & Royalties LLC 116 N Washington Ave El Dorado AR 71730 MR OIL & GAS LLC 6500 GREENVILLE AVE STE 110 Dallas TX 75206 MR Oil & Gas LLC/The MR Trust 6500 Greenville Ave Suite 110 Dallas TX 75206 Mrc Global PO Box 204392 Dallas TX 75320-4392 Mrj Family LLC 409 2nd Ave West Ray ND 58849 Mrr Enterprises LLC PO Box 10772 Williston ND 58803 MRRC Address Redacted Mrs Betty L Fort Address Redacted Mrs Carl Owenson Address Redacted Mrs Cathy Adam Address Redacted Mrs Constance Wilbur Henderson C/O J, Harrison Henderson, III Executor Address Redacted Mrs Constance Wilbur Henderson Usufruct Address Redacted Mrs Dan Kleeman Address Redacted

Mrs Evelyn M Russell And Marjory Marwin Joint Tenants Address Redacted Mrs Henry A Loomis Address Redacted Mrs Ima Moore Lee Address Redacted Mrs Johnnie Lou Dugger Address Redacted Mrs Lillian P Collins Address Redacted Mrs R S Bryant Address Redacted Mrs Roy Williams Address Redacted Mrs Sandra Espinoza Address Redacted Ms Directional LLC PO Box 201567 Dallas TX 75320-1567 MS Secretary Of States Office 401 Mississippi Street Jackson MS 39201 MS Secretary Of States Office PO Box 136 Jackson MS 39205 Msbp Limited Partnership PO Box 2699 Forney TX 75126 Msdsonline Inc 27185 Network Pl Chicago IL 60673-1271 MSSB c/f Catherine McCaffrey IRA Address Redacted MSSB c/f James R McCaffrey IRA Address Redacted MSSB C/F Michael Bocian IRA Address Redacted Msu Denver Foundation Inc Campus Box 14 Po Box 173362 Denver CO 80217-3362 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 428 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 431 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Msw Royalties LLC 306 W 7Th St Ste 901 Fort Worth TX 76102 Mt Marian Enterprises PO Box 785 Columbus MT 59019 MT Secretary Of States Office 1301 E 6th Ave Helena MT 59601 MT Secretary Of States Office Montana State Capitol PO Box 202801 Helena MT 59620-2801 Mtd Corp PO Box 718 Billings MT 59103 Mtd Corporation PO Box 718 Billings MT Mtn Oil & Gas Company Of Mt 601 Corporate Circle Golden CO 80401 Mudcat Investments LLC 256 Seaboard Lane Ste H-101 Franklin TN 37067 Muddy Waters LLC PO Box 775 Williston ND 58802 Mudslingers Holdings LLC 46676 S County Road 266 Ringwood OK 73768 Muehlebach, Peter Address Redacted C/O CORPORATE ACTIONS CLAIMS MUFG UNION BANK, N.A. MANAGEMENT 11121 CARMEL COMMONS BLVD. STE. 370 Charlotte NC 28226-4561 MUFG UNION BANK, N.A. MAGGI BOUTELLE 530 B STREET SUITE 204 San Diego CA 92101 MUFG UNION BANK, N.A. MAGGI BOUTELLE 530 B STREET, SUITE 204 San Diego CA 92101

Muggli Family Trust Dtd 8/21/81 Mary Ann Haws, Trustee Address Redacted Mulberry Bush LLC PO Box 607 Fairfield MT 59436 Muller, John Address Redacted Mulligans Catering 1611 West Villard Dickinson ND 58601 Multer, Robert Address Redacted Multi-Chem Group LLC PO Box 301341 Dallas TX 75303-1341 Mumford Oil & Gas Supply 619 E Chippewa St Mt Pleasant MI 48858 Munro & Patricia Lyeth Oil Tr Kanaly Trust Co Suc Corp Ttee Address Redacted Murdoch Oil Inc PO Box 607 Greybull WY 82426 Murdoch Oil Inc. Attn: Claudine L. Murdoch 140 N. 6th Street Greybull WY 82426 MUREX 363 N SAM HOUSTON PKWY E Houston TX 77060 Murex Petroleum Corp 363 N Sam Houston Pkwy E Ste 200 Houston TX 77060 MUREX PETROLEUM CORP 363 N SAM HOUSTON PKWY E STE 200 Houston TX 77060 MUREX PETROLEUM CORP 515 N SAM HOUSTON PKWY E. SUITE 485 Houston TX 77060 MUREX PETROLEUM CORPORATION 363 N SAM HOUSTON PKWY E Houston TX 77060 Murfin Drilling Company Inc 250 N Water St Suite 300 Wichita KS 67202 Muri Family LLC 4215 Montana Sapphire Dr Apt 433 Billings MT 59106 Muriel A Knope Address Redacted Muriel Antoinette Bonner Address Redacted Muriel B Ranum C/O Dublin Retirement Village Address Redacted Muriel Cleverdon Address Redacted Muriel Dienert Address Redacted Muriel Fritch Estate Address Redacted Muriel Jaha Address Redacted Muriel Johnson Address Redacted Muriel Tucker Address Redacted Murillo, Gustavo Address Redacted Murl Charles Stephens Address Redacted Murphy, Reed Address Redacted Murray J Herring Address Redacted Murray Post Address Redacted Murray Street Investments LLC 11653 Thistle Hill Pl San Diego CA 92130 Murray, Colton Address Redacted Murray, Karen Address Redacted Murray, Michael Address Redacted Musana Community Development Organization 400 W South Boulder Rd Lafayette CO 80026 Musgrave Family LLLP 629 W North St Aspen CO 81611 Musik Worx Dj & Photo Booths 526 6th St Ne Minot ND 58703 Mustang Minerals LLC PO Box 51223 Lafayette LA 70505-1223 Mustang Pipeline N Construction Po Box 1176 Baker MT 59313 Musty Family Trust Address Redacted Muth, Carey Address Redacted Muto, Craig Address Redacted Muzak LLC PO Box 71070 Charlotte NC 28272-1070 Mv Investment LLC Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 429 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 432 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mw Holdings II Ltd 1700 N Lincoln St Ste 3450 Denver CO 80203 Mw Oil Investment Co 730 17th St Suite 325 Denver CO 80202 Mwb 1998 Trust Ben J Fortson Jr Trustee Address Redacted Mwd Rolloffs Address Redacted Mwiley Resources Inc PO Box 2151 Bismarck ND 58502-2151 MWILEY RESOURCES INC PO BOX 2151 Bismarck ND 58502-2151 My Boot Store Inc 2153 50th Street Lubbock TX 79412 My Happy Plates Inc 134 Kingsbury Dr Chapel Hill NC 27514 Myco Industries Inc PO Box 840 Artesia NM 88211-0840 Myers Megowen & Myers LP 4418 St Hwy E Matthews MO 63867 Myers Oil Company LLC 3212 East 31st Street Odessa TX 79762 Myers, Carter Address Redacted Myers, Robin Address Redacted Myles Hall Estate Address Redacted Myles O Borstad Address Redacted MYLO WOLDING AND KRIS WOLDING Address Redacted Myra & Calvin Leibelt Joint Tenants Address Redacted Myra Ellen Moss Address Redacted Myra Gabel Address Redacted Myra J Crutcher & Gary S Crutcher JT Ten Address Redacted Myra Leibelt Address Redacted Myra Pifer Address Redacted Myrla J Atz Address Redacted Myrna A Thiel Address Redacted Myrna Ann Bottolfsen Life State Address Redacted Myrna C Esderts Address Redacted Myrna Carol Pinney Address Redacted Myrna J Wollan Address Redacted Myrna Jean Stair Address Redacted Myrna K Dahl Address Redacted Myrna K Dahl Living Trust Dtd 8-2-18 - Myrna Dahl - Tr Address Redacted Myrna L Rudio Address Redacted Myrna Rae Monson Address Redacted Myrna Shannon Minerals Trust James Hughes Trustee Address Redacted Myrna Sue Powell Address Redacted Myrna Sue Powell Larry Powell Address Redacted Myrneth Halverson Address Redacted MYRON & DARLENE WOLD Address Redacted Myron A Arms Address Redacted Myron A Mayer Address Redacted Myron Aune & Karla L Aune Joint Tenants Address Redacted Myron Cook Address Redacted Myron D Vallier Trust Heritage Tr Co Of Nm Trustee Address Redacted Myron F Marshall Address Redacted Myron G Dunnell Address Redacted Myron J Gravgaard Gen Tr Dtd May 28, 1993 Myron J Gravgaard Trtee Address Redacted Myron J Hickel Address Redacted Myron L Eide Address Redacted Myron Leland For Life Address Redacted Myron Polensky Address Redacted Myron Romanyshyn & Sandra Romanyshyn Address Redacted Myron Sylte Address Redacted Myron Wagner C/O Carolyn M Venditto Address Redacted Myron Wold Address Redacted Myrtle A Erdman Address Redacted Myrtle Canon Fuller Address Redacted Myrtle Harmon Address Redacted Myrtle J Kavalski Address Redacted Myrtle Murphy Thibodeaux Address Redacted Myrtle Vance Fka Myrtle Barstad Address Redacted Myslive, Casey Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 430 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 433 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Mzs Minerals LLC PO Box 10043 Midland TX 79702 N & L Hancock Partnership 501 Portola Rd Apt 8096 Portola Valley CA 94028-7689 N Alex Bickley Address Redacted N Leonard Fox Address Redacted N R Rousselot & Sons PO Box 1860 Midland TX 79702 N R Royall III Tst John R Royall Successor Tstee Address Redacted N Renee Savio Address Redacted N Robert Hellerud Catherine Hellerud Aif Address Redacted

N Robert Hellerud Trust Dtd 6-15-99 Kim Plahn - Trustee Address Redacted N Shannon Pursell Address Redacted N/A Address Redacted Nabil Address Redacted Nabors Drilling Solutions PO Box 206321 Dallas TX 75320-6321 Lyndell Scott, Nabors Drilling Nabors Drilling Solutions Technologies USA Inc 515 West Greens Road Suite 1200 Houston TX 77067 Nabors Drilling Solutions PO Box 206321 Dallas TX 75320-6321 Nabors Drilling Technologies USA Inc Lyndell M Scott 515 West Greens Road Suite 1200 Houston TX 77067 Nadel & Gussman Rockies LLC 15 E 5th St Ste 3300 Tulsa OK 74103 Nadel And Gussman Bakken LLC 15 E 5th St Suite 3300 Tulsa OK 74103 NADEL AND GUSSMAN BAKKEN LLC 15 E 5TH ST SUITE 3300 Tulsa OK 74103 Nadine E Tetrault Address Redacted Nadine L Melland Address Redacted Nadine Omlid Address Redacted Nadine R Walstad 1256 Nw Lawnridge Ave Grants Pass OR 97526 Nadoa PO Box 1656 Palm Harbor FL 34682-1656 Nadynne E Finsaas Address Redacted Naem PO Box 66703 Washington DC 20035 Nafa Fleet Management Assoc 125 Village Blvd Ste 200 Princeton NJ 08540-5753 Nafaris LLC 2900 Hwy 2 & 52 West Burlington ND 58722 Nageswara Rao Alapati Address Redacted Nail Bay Royalties LLC PO Box 671099 Dallas TX 75367-1099 Naila Mirza Address Redacted Nalco Champion 1601 West Diehl Rd Naperville IL 60563-0130 Nalco Champion PO Box 730005 Dallas TX 75373-0005 Nalta 4747 Research Forest Drive Suite 180-221 The Woodlands TX 77381 Nami Jeffco Address Redacted Namp Holdings LLC PO Box 734047 Dallas TX 75373-4047 Nan H Benedict Address Redacted Nan Kelly Woolam Address Redacted Nan Yvonne Morrow Poppenheimer Address Redacted Nana Bachtel Stewart Address Redacted NANCE RESOURCES INC F/K/A RONAN INC 2924 MILLENNIUM CIRCLE Billings MT 59102 Nance Resources Inc F/K/A Ronan Inc 2924 Millennium Circle Billings MT 59102 Nance, Blake Address Redacted Nancee Sturdevant Address Redacted Nanci Rainey Address Redacted Nancy Deeds Address Redacted Nancy A Borchert Address Redacted Nancy A Gunwall Address Redacted Nancy A Gunwall & John A Gunwall Address Redacted Nancy A Reese Address Redacted Nancy Ann Borchert Address Redacted Nancy Ann Kofoed Address Redacted Nancy Anne Woolley Mgmt Trust Bank Of America Trustee Address Redacted Nancy Avent Achurch Life Est Address Redacted Nancy Berglund Address Redacted Nancy Bohl Address Redacted Nancy Boodel Address Redacted Nancy C Aho Address Redacted Nancy C Castleman Decd Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 431 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 434 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Nancy C Fletcher Address Redacted Nancy Chase Morey Address Redacted Nancy Cruise Address Redacted Nancy D Derksen Address Redacted Nancy D Doss Revocable Trust Dtd 9-24-97 - Nancy Doss - Tr Address Redacted Nancy D Doty Address Redacted Nancy D Heggen Address Redacted Nancy Doris Doss Address Redacted Nancy E Coakley Address Redacted Nancy E Johnson Address Redacted Nancy E Knoll Address Redacted Nancy E Parsons Address Redacted Nancy E Redmond Address Redacted Nancy E Shelton Address Redacted Nancy Elder Address Redacted Nancy Elizabeth Errebo Address Redacted Nancy Elwell Peppard Address Redacted Nancy Fontenot St Cyr Address Redacted Nancy G Baum Address Redacted Nancy Givens Address Redacted Nancy Grace Moore Address Redacted Nancy Grayson Address Redacted Nancy Griffith Address Redacted Nancy Haerer Address Redacted Nancy Hagen Goldstucker Address Redacted Nancy Hanel Hoff Address Redacted Nancy Horst Turner Address Redacted Nancy Hougland Address Redacted Nancy Hunter Beck Address Redacted Nancy J Buescher Address Redacted Nancy J Gunther Address Redacted Nancy J Horton Address Redacted Nancy J Kennedy Kathleen M Kennedy - Aif Address Redacted Nancy J Ness Address Redacted Nancy J Obannon Trust Dated 11/09/06 Nancy J Obannon Trustee Address Redacted Nancy J Samson Address Redacted Nancy J Transtrom Address Redacted Nancy J Williams Address Redacted Nancy Jeanne Kennedy Address Redacted Nancy Jirik Address Redacted Nancy Jo Garcia Address Redacted Nancy Jo Mckenzie Address Redacted Nancy K Degnan Schumacher Rv Tr Dtd 12/10/98 - James D Schumacher - Trustee Address Redacted Nancy K Moffet Address Redacted Nancy Karsky Mcgarry Address Redacted Nancy Kay Cordova Address Redacted Nancy Kay Whitaker Address Redacted Nancy Keller Address Redacted Nancy L Anderson Address Redacted Nancy L Calder Address Redacted Nancy L Des Combes Address Redacted Nancy L Iles Address Redacted Nancy L Kessel Address Redacted Nancy L Rogers Address Redacted Nancy Lea Sullivan Address Redacted Nancy Lee Brees Address Redacted Nancy Light Address Redacted Nancy Lou Ryman Address Redacted Nancy M & Robert W Newton Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 432 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 435 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Nancy M Reinhardt Address Redacted Nancy Marie Pawlowski Address Redacted Nancy Marie Pawlowski And Laura Ann Pawlowski Jt Address Redacted Nancy Mcnary Address Redacted Nancy Merck Address Redacted Nancy Miller Address Redacted Nancy Morrow Address Redacted Nancy Myers Address Redacted Nancy N Baue Address Redacted Nancy Nasher Investment Mgmt Address Redacted Nancy Newell Address Redacted Nancy Nydegger-Paulitz Address Redacted Nancy Odonnell Address Redacted Nancy O'Donnell Address Redacted Nancy P Tonkin Revocable Trust Nancy P Tonkin Ttee Address Redacted Nancy Paske Address Redacted Nancy Puff Jones Trust Dorothy Jean Keenom Trustee Address Redacted Nancy R Silver Address Redacted Nancy Reese Bush Address Redacted Nancy Rogers Address Redacted Nancy S Levick Address Redacted Nancy S Lynch Address Redacted Nancy Schroeppel Address Redacted Nancy Snyder Address Redacted Nancy Stewart Address Redacted Nancy Strom Address Redacted Nancy Thronson Address Redacted Nancy Tiede Address Redacted Nancy W Fendrich Address Redacted Nancy West Address Redacted Nancy Willoughby Address Redacted Nancy Zier Address Redacted Nanette Jamison Address Redacted Nanette Koren Gielow Address Redacted Nanford Folkedahl Address Redacted Nannette J Hart Address Redacted Nannette Martineau Address Redacted Nannette Van Sickle Aker Address Redacted Nantasket Petroleum Corporation 9429 S Star Hill Circle Lone Tree CO 80124 Naome Corrine Nystedt Cynthia Edmon Aif Address Redacted Naomi Claire Mundt Address Redacted Naomi D Garcia Address Redacted Naomi Gajewski Address Redacted Naomi J Knaff Address Redacted Naomi Jean Hillgartner Address Redacted Naomi Lisa Kramer Dorfman Address Redacted Naomi M Wehner Address Redacted Naomi O Merryman Address Redacted Naomi R Urban Address Redacted Naomi Schmidt Address Redacted Napa Auto Parts Of Sidney PO Box 566 Sidney MT 59270 Nape Expo Lp PO Box 224531 Dallas TX 75222 Narberth Investment Co 65 West Ranch Trail Morrison CO 80465 Narrow Door Interests LP 3205 Apperson Dr Midland TX 79705 Solutions Llc C/O Wells Fargo Bank Nasdaq Omx Corporate Na Lockbox 11700 Po Box 8500 Philadelphia PA 19176-0700 Nashed Energy LLC PO Box 167 Barker TX 77413-0167 Nat S Rogers Address Redacted Natalia Lewallen & Jeff Lewallen H & W Address Redacted Natalie Cowley Address Redacted Natalie Hook Address Redacted Natalie Lusk Scott Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 433 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 436 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Natalie V Charlson Address Redacted Natani Kelly Address Redacted Natasha Hunts Along Address Redacted Natcat Investments LLC James M Trester Manager Address Redacted Nate Kaufman Address Redacted Nathalie B Dorf Address Redacted Nathan & Anna Bergman Joint Tenants Address Redacted Nathan Ahl Address Redacted Nathan Charles Folkedahl Cheryl Folkedahl - Poa Address Redacted Nathan Damm Address Redacted Nathan E Stahlecker Address Redacted Nathan Finsaas Address Redacted Nathan Folkedahl Life Estate Cheryl Folkedahl - Poa Address Redacted Nathan Gray Address Redacted Nathan Langwald Address Redacted Nathan R Foster Address Redacted Nathan S Dahl Address Redacted Nathan Thorson Address Redacted Nathan Wight Address Redacted Nathaniel Furlong Matthew Furlong And Angeleine Furlong Natural Guardians Address Redacted Nathaniel S Rogers Estate Regions Banks - Executor PO Box 23100 Jackson MS 39225-3100 Nathaniel Samuel Acevedo Address Redacted Nathaniel Zipple Address Redacted National Bank Of Canada Financial Inc. Corporate Actions 1155 Metacalfe 5th Floor Montreal QC H3b 4s9 Canada National Compliance Management Service Inc Po Box 725 Hutchinson KS 67504-0725 National Fallen Firefighters Foundation Po Drawer 498 Emmitsburg MD 21727 National Financial Services LLC Corp Actions 200 Seaport Boulevard, Z1b Boston MA 02210 National Financial Services LLC Joanne Padarathsign 499 Washington Blvd Jersey City NJ 07310 National Financial Services LLC Peter Closs 499 Washington Blvd. Jersey City NJ 07310 National Fuel LLC PO Box 4892 Parker CO 80134 NATIONAL FUEL LLC PO BOX 4892 Parker CO 80134 National Ms Society Walk Ms: Bismarck 2829 University Ave SE Ste 900 Minneapolis MN 55414-3248 National Multiple Sclerosis Society 733 Third Avenue New York NY 10017 National Multiple Sclerosis Society Colorado-Wyoming Chapter 900 S Broadway Suite 250 Denver CO 80209 National Oilwell Dht Lp PO Box 201153 Dallas TX 75320-1153 National Oilwell DHT, L.P. Bobbi Brooke Ingram 7909 Parkwood Circle Drive Houston TX 77036 Stacy & Baker, P.C., attn. Brian A. National Oilwell DHT, L.P. Baker 1010 Lamar Street, Suite 550 Houston TX 77002 National Oilwell Varco Nov Tuboscope Po Box 201177 Dallas TX 75320-1177 National Oilwell Varco Lp Address Redacted National Oilwell Varco LP Attn: Jose Bayardo 7909 Parkwood Circle Drive Houston TX 77036 National Oilwell Varco Lp Dba Nov Tuboscope Casper Xl Hardbanding 1500 N. Derrick Casper WY 82604 National Oilwell Varco Lp Dba Tuboscope Vetco P O Box 201177 Dallas TX 75320-1177 National Oilwell Varco Lp Dba Tuboscope Vetco Po Box 202631 Dallas TX 75320 National Oilwell Varco Lp PO Box 201177 Dallas TX 75320-1177 National Oilwell Varco Lp PO Box 201224 Dallas TX 75320-1224 National Oilwell Varco Lp Rig Solutions Spares & Service Po Box 201202 Dallas TX 75320-1202 National Oilwell Varco Lp Tuboscope Po Box 201177 Dallas TX 75320-1177 NATIONAL OILWELL VARCO LP (ELITE POWER LLC)- 5841 PO BOX 201224 Dallas TX 75320-1224 National Oilwell Varco, L.P. Bobbi Brooke Ingram 7909 Parkwood Circle Drive Houston TX 77036 1010 Lamar Street, Suite National Oilwell Varco, L.P. c/o Stacy & Baker, P.C. Attn: Brian A. Bake 550 Houston TX 77002 Stacy & Baker, P.C., attn. Brian A. National Oilwell Varco, L.P. Baker 1010 Lamar Street, Suite 550 Houston TX 77002 National Petroleum Council 1625 K Street, N.W. Washington DC 20006-1656 National Safety Council PO Box 558 Itasca IL 60143-0558 Native Energy Solutions LLC 4801 Lang Ave Ne Ste 210 Albuquerque NM 87109 1251 Ave Of The Americas- Natixis Securities Americas LLC Tom Ruggiero 5th Floor New York NY 10020 Natural Gas Services Group PO Box 733491 Dallas TX 75373 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 434 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 437 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country NATURAL GAS SERVICES GROUP INC-7018 PO BOX 733491 Dallas TX 75373 Navarro Living Trust Christine F Thompson Ttee 30445 Ainsworth Pl Lake Elsinore CA 92530 NAVIGATOR OIL & MINERALS INC JACK E BLAKE JR PRESIDENT 400 NORTH MAIN Midland TX 79701 NAVIGATOR OIL & MINERALS INC JACK E BLAKE JR PRESIDENT 400 NORTH MAIN Midland TX 79701

Navigator Oil & Minerals Inc Jack E Blake Jr President 400 North Main Midland TX 79701 Nawc Bass O&G LLC 8215 Westchester Dr #319 Dallas TX 75225 1010 Rue De La Nbcn Inc./CDS** Anna Medeiros Corporate Actions Gauchetiere St West Suite 1925 Montreal QC H3b 5j2 Canada Nbl Permian LLC PO Box 733695 Dallas TX 75373-3695 NBL PERMIAN LLC PO BOX 733695 Dallas TX 75373-3695 Nd Community Fndn For The Clarence Johnson & Eunice Iwen Community Endowment PO Box 387 Bismarck ND 58502-0387 Nd Elks Charitable Trust Fbo Camp Grassick PO Box 4050 Bismarck ND 58502-4050 Nd Energy Services 103 5th St Se Dickinson ND 58601 Nd Oil And Gas Division 600 East Boulevard Dept. 405 Bismarck ND 58505-0840 Nd Oil LLC 16420 Sw Golva ND 58632 ND OIL LLC 16420 53RD STREET SW Golva ND 58632 ND Secretary Of States Office 600 E Boulevard Ave Dept 108 Bismarck ND 58505 Nd State Board Of Registration 723 W Memorial Highway Po Box 1357 Bismark ND 58502-1357 Nddna Minerals Trust Britt L Okland - Trustee 2702 W 91st St Circle Bloomington MN 55431 Ndgop 1029 N 5th St Bismarck ND 58501 Ndh Energy LLC C/O Frank M Weisser 1111 Caroline Street #3003 Houston TX 77010 Ndm Resources LLC 5150 East Yale Circle Suite 200 Denver CO 80222 Ne North Dakota Pioneer Machinery Association 13435 69th St Ne Park River ND 58270 Ne2 Canada Inc Leanne Strand 501 322 11th Avenue SW Calgary AB T2R 0C5 Canada Ne2 Canada Inc Ste 501 - 322 11Th Ave Sw Calgary AB T2R 0C5 Canada NE2 CANADA INC. SUITE 501 322 - 11TH AVE SW Calgary AB T2R 0C5 Canada Neal & Bonnie Messer 10339 Hwy #10 Dickinson ND 58601 NEAL & BONNIE MESSER Address Redacted Neal A Lafon Address Redacted Neal And Dorene Weltzin Trusteed Of Neal And Dorene Weltzin Address Redacted Neal B Anderson Address Redacted Neal Berntson Address Redacted Neal Biwer Address Redacted Neal E Johnson Address Redacted Neal Herrett Address Redacted Neal J Peterman Address Redacted Neal James Schneider Address Redacted Neal Terrel Address Redacted

Neale And Mary Hartman Irr Tst Ronald Hartman Trustee Address Redacted Nearburg Exploration Co LLC PO Box 823085 Dallas TX 75382-3085 NEARBURG EXPLORATION CO LLC PO BOX 823085 Dallas TX 75382-3085 Nebraska Department of Banking and Finance Attn: Mark Quandahl PO Box 95006 1526 K Street Suite 300 Lincoln NE 68508 Nebraska Department of Environment and Energy 1200 N Street Suite 400 PO Box 98922 Lincoln NE 68509-8922 Nebraska Department of Labor Attn: John Albin 550 S 16th St PO Box 94600 Lincoln NE 68508 Nebraska Department Of Revenue 1313 Farnam St #10th Omaha NE 68102 Nebraska Department Of Revenue PO Box 94818 Lincoln NE 68509-4818 Nebraska Department of Treasury Attn: John Murante State Capitol PO Box 94788 Room 2005 Lincoln NE 68509 Nebraska EEOC - Lincoln Main Office Nebraska Satet Office Building 301 Centennial Mall South 5th Floor PO Box 94934 Lincoln NE 68509 Nebraska Foreign Occupation Tax PO Box 94608 Lincoln NE 68509 Nebraska Foreign Occupation Tax State Capitol, 1445 K St. Suite 2300 Lincoln NE 68509 Nebraska Local Business Use Tax 301 Centennial Mall S Lincoln NE 68508 Nebraska Local Business Use Tax PO Box 98923 Lincoln NE 68509

Nebraska Occupational Safety and Health Administration Omaha Area Office Lake Regency Office Building 444 Regency Parkway Drive Suite 303 Omaha NE 68114 Nebraska Office Of The Attorney General 2115 State Capitol Lincoln NE 68509 Nebraska Office of the Attorney General Attn: Doug Peterson 2115 State Capitol Lincoln NE 68509 Nebraska Office of the Attorney General Consumer Protection Division 2115 State Capitol Lincoln NE 68509 Nebraska State Treasurer Unclaimed Property Division 809 P Street Lincoln NE 68508-1390 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 435 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 438 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Neche Union Cemetery Association C/O Doug Vosper 10540 Highway 18 Neche ND 58265 Ned Alan Pierce Address Redacted Ned R Timbel Address Redacted Neil & Avis Berger Address Redacted Neil & Avis Berger Jtwos Address Redacted Neil & Cheryl Roggenbuck J/T Address Redacted Neil & Maxine Nelson Jt Address Redacted Neil A Roggenbuck Address Redacted Neil A Thorpe Address Redacted Neil Berger Address Redacted NEIL BERGER AND AVIS BERGER Address Redacted Neil C Van Rossum Ttee Neil C Van Rossum Family Trust Address Redacted Neil D And Kathryn S Person Address Redacted Neil D Tyrrell And Collette L Knoll Trustees Of The Circle S Trust Address Redacted Neil D Van Sickle Address Redacted Neil Fedje Address Redacted Neil Gillund Address Redacted Neil H Bjella Address Redacted Neil Heinze Address Redacted Neil J Hughes Address Redacted Neil J Polka Address Redacted Neil K Sundheim Address Redacted Neil L Merryman Address Redacted Neil Oakland Address Redacted Neil R. Collins Address Redacted Neil S Ranum Address Redacted Neil T And Jane Gillund Address Redacted Neil W Keohane Address Redacted Neil Wayne Mcginnis Address Redacted Nelda Hilyard Address Redacted Neldae Y Frank Life Estate Address Redacted Nell Keohane Address Redacted Nell Oil & Gas, LLC Judith Devereaux Nicoud PO Box 1636 Lafayette CA 94549

Nelle Wang Family Trust Kimberly And Kyle Nelson Ttes Address Redacted Nellie Leek Debarah Nelson Aif Address Redacted Nellie M Conkling Address Redacted Nellie Waldo Estate Address Redacted Nelms, Ralph Address Redacted Nelson Ely Address Redacted Nelson Family Mineral Rights Trust - Stephen M, Mary E, & Denise M Nelson - Co-Trustees Address Redacted Nelson Flying Service L.L.C. Kyle Nelson 3341 76th St NW Lansford ND 58750 Nelson Flying Service LLC 3341 76th St Nw Lansford ND 58750 Nelson M Haight Address Redacted NELSON PANKOWSKI TRUST Address Redacted Nelson Pankowski Trust Linda E. Turcotte & Steve H. Pankowski Co-Trustees Address Redacted NELSON RANCHES 58900 WELD COUNTY ROAD 382 Grover CO 80729-9415 Nelson Ranches Inc 58900 Weld County Road 382 Grover CO 80729-9415 NELSON RANCHES INC 58900 WELD COUNTY ROAD 382 Grover CO 80729-9415 Nelson, Bradley Address Redacted Nelson, Molly Address Redacted Nelson, Ryan Address Redacted NEMONT P.O. BOX 600 Scobey MT 59263-0600 Nemont Telephone Cooperative 61 Highway 13 South Scobey MT 59263-0600 Nemont Telephone Cooperative Po Box 600 Scobey MT 59263-0600 Nenetta Brown Carter Trust c/o Travis Property Management, LLC Attn: Frank Medrano P.O. Box 56429 Houston TX 77256 Nenetta Brown Carter Trust Stephen Tatum Succ Trustee C/O Travis Property Mgmt LLC PO Box 56429 Houston TX 77256-6429 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 436 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 439 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Neoinsulation LLC 202 N 6th St Ste 4 Kingfisher OK 73750 Neoma Wyatt Address Redacted Nerd Royalties LLC PO Box 3003 Casper WY 82602 Neset Consulting Service Inc 6844 Highway 40 Tioga ND 58852 Neshem, Eric Address Redacted Ness Family Investments LLC 2603 Perkins Lane W Seattle WA 98199-3007 Ness, Lauren Address Redacted Nesseth Revocable Trust Deborah Whelan - Trustee Address Redacted Nestaval-Hval Fam Mineral Tr Roy Edward Hval Trustee Address Redacted Net Energy Inc Suite 501 - 322 11Th Ave Sw Calgary AB T2R 0C5 Canada NET JETS PO BOX 933300 Atlanta GA 31193-3300 Net Source Inc 8020 Shaffer Pkwy Ste 100 Littleton CO 80127 Net Source Inc PO Box 81 Chaska MN 55318-0081 Netherland, Sewell & Associates, Inc. Attn: C.H. Rees II 2100 Ross Avenue Suite 2200 Dallas TX 75201 NETJETS 4111 BRIDGEWAY AVENUE Columbus OH 43219 ATTN: NETJETS LEGAL C/O OWNER CONTRACT 4111 BRIDGEWAY NETJETS DEPARTMENT ADMINISTRATION AVENUE Columbus OH 43219 Netjets Aviation Inc PO Box 933300 Atlanta GA 31193-3300 NETSOURCE 3265 31ST ST Long Island City NY 11106 Nettie Lorraine Bennett Address Redacted Nettleton, Brent Address Redacted 300 SPECTRUM CENTER DRIVE NETWRIX CORPORATION SUITE 200 Irvine CA 92618 Netwrix Corporation PO Box 2081 Dublin OH 43017 Neu7 Investments LLC 5420 Lbj Freeway Ste 770 Dallas TX 75240 Neukat Resources LLC 3083 Sackett St Houston TX 77098 Neumann Family Trust Bernett Neumann Trustee 7649 Orange St Highland CA 92346

NEURALOG 4800 SUGAR GROVE BLVD STE 200 Houston TX 77477 Neuralog Inc 4800 Sugar Grove Blvd Ste 200 Stafford TX 77477 Neva J Kordonowy Address Redacted Neva Jane Bishop Address Redacted Neva Satermo Address Redacted Nevada State Treasurer Nevada Unclaimed Property 555 East Washington Avenue Suite 4200 Las Vegas NV 89101 Nevin Larsen Address Redacted Nevin N Dahl Address Redacted Nevin Velasquez Address Redacted New Century Software Inc 2627 Redwing Road Suite 100 Fort Collins CO 80526 New Emerald Energy LLC C/O Crestline Investors Inc 201 Main St Ste 1900 Fort Worth TX 76102 New Hope Weslyn Church 721 26th St W Williston ND 58801-2908 New Horizons Clc Of Denver PO Box 679083 Dallas TX 75267-9083 NEW MEXICO DEPARTMENT OF ENERGY, MINERALS AND NATURAL RESOURCES, OIL CONSERVATION DIVISION 1220 S. ST. FRANCIS DR. Santé Fe NM 87505 New Mexico Department of Treasury Attn: Tim Eichenberg 2055 S Pacheco Street Suite 100-200 Santa Fe NM 87505 New Mexico Department of Treasury Attn: Tim Eichenberg PO Box 5135 Santa Fe NM 87502 New Mexico Department of Workforce Solutions Attn: Erin Thompson 401 Broadway Blvd NE PO Box 1928 Albuquerque NM 87012 New Mexico EEOC - Albuquerque Area Office Attn: Christina Vigil Frazier 505 NW Marquette Avenue Suite 900 9th Floor Albuquerque NM 87102 New Mexico Environment Department PO Box 5469 Santa Fe NM 87502-5469 NEW MEXICO ENVIRONMENT DEPARTMENT 13 BATTAN BLVD. Sante Fe NM 87508 New Mexico Environment Dept Air Quality Bureau 525 Camino De Los Marquez Suite 1 Sante Fe NM 87505-1816 New Mexico Environmental Department - Noi Fee 13 Battan Blvd. Sante Fe NM 87508 New Mexico Office Of The Attorney General 408 Galisteo Street Villagra Building Santa Fe NM 87501 New Mexico Office of the Attorney General Attn: Hector Balderas Villagra Building 408 Galisteo Street Santa Fe NM 87501 New Mexico Regulation and Licensing Department Attn: Benjamin Schrope Securities Division 2550 Cerrillos Road 3rd Floor Santa Fe NM 87505 New Mexico State Land Office 310 Old Santa Fe Trail Sante Fe NM 87501 New Mexico State Land Office PO Box 1148 Santa Fe NM 87504-1148 NEW MEXICO STATE LAND OFFICE, OIL, GAS AND MINERALS DIVISION PO BOX 1148 Santa Fe NM 87504-1148 New Mexico Taxation & Revenue Unclaimed Property Office Po Box 25123 Santa Fe NM 87504-5123 New Mexico Taxation And Revenue 1100 South St. Francis Drive Santa Fe NM 87504 New Mexico Taxation And Revenue Department PO Box 25127 Sante Fe NM 87504-5127 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 437 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 440 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country New Mexico Taxation And Revenue Dept. 1200 S. St Francis Dr Santa Fe NM 87505 New Nexico Occupational Safety and Health Administration Santa Fe State Plan Office 525 Camino de los Marquez Suite 3 Santa Fe NM 87502 New Pig Corporation One Pork Avenue Tipton PA 16684 New Public School District 8 111 7th Avenue Williston ND 58801 New Town Chamber Of Commerce PO Box 422 New Town ND 58763 New Town Fire Department PO Box 855 New Town ND 58763 New Town Public Library Attn: Julie Herbel 307 Main St New Town ND 58763 New Way Solutions LLC PO Box 665 Watford City ND 58854 Of The State Comptroller Remittance New York State Office Control 2nd Floor 110 State Street Albany NY 12236 New, Mary Address Redacted Newberry, Caleb Address Redacted Newell W Farley Estate C/O Michael N Griffith Address Redacted Newfield Mid-Continent PO Box 204374 Dallas TX 75320-4374 Newfield Production Company 4 Waterway Square Ste 100 The Woodlands TX 77380 Newfield Production Company PO Box 660367 Dallas TX 75266-0367 NEWFIELD PRODUCTION COMPANY (DELETED) 4 WATERWAY SQUARE STE 100 The Woodlands TX 77380 Newfield Producton Company 4 Waterway Square Ste 100 The Woodlands TX 77380 NEWFIELD RMI LLC C/O NEWFIELD PROD CO P.O. BOX 204370 Dallas TX 75320-4370 Newfield Rmi LLC C/O Newfield Prod Co PO Box 204370 Dallas TX 75320-4370 NEWFIELD RMI LLC C/O NEWFIELD PROD CO P.O. BOX 204370 Dallas TX 75320-4370 Newfork Royalties C/O Noble Royalties Address Redacted Newfork Royalties LLC PO Box 660082 Dallas TX 75266-0082 Newkota Services & Rentals 925 72nd Ave Ne Minot ND 58703 Newkumet Ltd PO Box 11330 Midland TX 79702 Newport Minerals LLC 790 Hacienda Rd Evergreen CO 80439 NEWPORT MINERALS LLC 790 HACIENDA RD Evergreen CO 80439 Newport Minerals Ltd 790 Hacienda Rd Evergreen CO 80439 Newsco International Energy Services Usa Inc PO Box 40794 Houston TX 77240-0794 Newsco International Energy Services USA Inc PO Box 40794 Houston TX 77240-0794 Newsom Family Irrevocable Grantors Trust PO Box 59 Plains TX 79355 Newton Financial Corporation 100 W Houston Street Ste 1500 San Antonio TX 78205 Newton M Crain Iii, Indiv Address Redacted Newton M Crain Iv Individually Address Redacted Next Generation Construction & Environmental Llc 14115 Mead St #C Mead CO 80504-9319 NexTier Completion Solutions, Inc. Attn: Robert Drummond 3990 Rogerdale Houston TX 77042 NexTier Oilfield Solutions Address Redacted Nfb Excavated Inc 1277 Road 11 Lovell WY 82431 Nfn LLC 7672 Pine Ridge Ter Castle Rock CO 80108-8260 Ng Resources LLC 7551 Polo Ridge Dr Littleton CO 80128-2501 Ngl Energy Partners Lp 8207 W 20th St, Ste B Greeley CO 80634 Ngl Supply Co Ltd C/O Tx9217U Po Box 66900 Chicago IL 60666-0900 NGL SUPPLY CO. LTD. C/O TX9217U PO BOX 66900 Chicago IL 60666-0900 Ngl Water Solutions Bakken LLC 3773 Cherry Creek Dr N Ste1000 Denver CO 80209 Ngl Water Solutions Dj LLC Attn: Treasury 3773 Cherry Creek N Dr Ste 1000 Denver CO 80209 NGL WATER SOLUTIONS DJ LLC-5562 ATTN: TREASURY 3773 CHERRY CREEK N DR STE 1000 Denver CO 80209 NGL Water Solutions DJ, LLC 6120 S Yale Ave Ste 805 Tulsa OK 74136 Nh Minerals LLC 4925 Greenville Ave Ste 1100 Dallas TX 75206 Nicholas & Sharon M Stoia Address Redacted Nicholas A Servo Address Redacted Nicholas C Bezzerides Address Redacted NICHOLAS CARR LAMBERT Address Redacted Nicholas Carr Lambert Dba Blue Sky Properties LLC PO Box 85 Dickinson ND 58602 Nicholas David Faddis Address Redacted Nicholas E Difeo Address Redacted Nicholas F Brady Trust Nicholas F Brady, W Moorhead Vermilye & Jean A Schneeble, Co-Trustees Address Redacted Nicholas G. Muller IRA Address Redacted Nicholas J Apostolos Address Redacted Nicholas J B S Adams Address Redacted Nicholas J Granruth Rev Trust Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 438 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 441 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Nicholas Lucarelli Address Redacted Nicholas M Reis Address Redacted Nicholas Scott Koehler Address Redacted Nicholas T Farr Address Redacted Nichole M Bertelsen Address Redacted Nichole M Kessel Address Redacted Nichols Oil & Gas Company PO Box 1196 Oklahoma City OK 73101-1196 Nichols, Drew Address Redacted Nick & Janice Mosbrucker Jt Address Redacted Nick A Jakubowsky Address Redacted Nick Collins Address Redacted Nick Larsen Address Redacted Nick Svor Address Redacted Nicki L Turnbow Address Redacted Nickodemous Billman Life Estate Address Redacted Nickolas C Stay Address Redacted Nickoloff, Jeffery Address Redacted Nico Resources LLC 1490 West Canal Court Ste 3000 Littleton CO 80120 Nicola Properties LLP A General Partnership Attn: Charlie Nicola 7665 S Yampa Street Centennial CO 80016 Nicola Properties LLP Attn: Charlie Nicola 7665 S Yampa St Centennial CO 80016 Nicolai Corporation Address Redacted Nicola-Jewell Mineral Co LLC 502 Sandpoint Ave Sandpoint ID 83864 Nicolas Colunga Patricia Colunga Address Redacted Nicolas Deboer Address Redacted Nicole Dawn Peterson Address Redacted Nicole E Hagen Johnson Address Redacted Nicole Justine Muenchow Address Redacted Nicole Kurtz Address Redacted Nicole L Guderjohn Address Redacted Nicole M Tebow Address Redacted Nicole M Weis Address Redacted Nicole Nygaard Address Redacted Nicole P Perry Address Redacted Nicole Rae Hellyer Address Redacted Nicole Sundt Address Redacted Nicolette Wegleitner Address Redacted Nicolle Larson Address Redacted Niehoff Trust William V Niehoff & Margaret Pollington Successor Co-Trustees Address Redacted Nielsen Childrens Trust Agency Bank One Texas PO Box 99084 Fort Worth TX 76199 Niemi Minerals LLC 605 Peardale Lane #30 Longview WA 98632 Niemi Minerals LLC 605 Peardale Ln #30 Longview WA 98632 Niess Impressions Inc 101 E Central Ave Po Box 156 Minot ND 58702 Nikki Jean Kukowski Estate Zach Wyles, Pr Address Redacted Nikki L Gallegos Address Redacted Nikole S Bigley Address Redacted Niles H Singer Address Redacted Niles Swift Address Redacted Nils Folke Becker Jr & Jean B Address Redacted Nils Folke Becker Jr & Jean B Becker Family Trust Us Trust, Bank Of America - Tr Address Redacted Nils Folke Becker Jr Survivors Trust Us Trust Bank Of America Na Trustee Address Redacted Nina Ann Hughes Address Redacted Nina Berneice Crawford Revocable Trust Dtd 12-6-16 Nina Crawford - Trustee Address Redacted Nina Jore Address Redacted Nina K Keller Address Redacted Nina Krooss Address Redacted Nina L Maxwell Address Redacted Nina Nickeson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 439 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 442 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Nina Palodino Address Redacted Nina Pletsch Address Redacted Nina S Pruyn Address Redacted Nina Shelby Address Redacted Nina Thacker Address Redacted Nine Downhole Technologies LLC PO Box 734590 Dallas TX 75373-4590 Nine Downhole Tools, LLC 6500 West Freeway, Suite 603 Fort Worth Fort Worth TX 76116 Nisku Royalty LP PO Box 2293 Billings MT 59103-2293 NISKU ROYALTY LP PO BOX 2293 Billings MT 59103-2293 Nita Clapp Hight Address Redacted Nita Maleckar Address Redacted Nita Marlene Skedsvold Address Redacted Niwot Resources LLC 7053 South Oneida Circle Englewood CO 80112 Nix Electric Company Inc 720 Loop 289 Se Lubbock TX 79404 Nixon Shefrin Hensen Ogburn Pc 5619 Dtc Pkwy Ste 1200 Greenwood Village CO 80111-3061 NIXON SHEFRIN HENSEN OGBURN, P.C. 5619 DTC PARKWAY, SUITE 1200 Greenwood Village CO 80111 Nj Petroleum LLC 25-6 Nw 23Rd Place #493 Portland OR 97210 Njos LLC 15902 S 63rd St Papillion NE 68133 Nk LLP 304 Pheasant Dr South Heart ND 58655 Nm Dhsem Attn: Tier Ii Reporting Po Box 27111 Sante Fe NM 87502 NM Dhsem - Nm Sara Tier II Reporting 13 Battan Blvd. Sante Fe NM 87508 NM Secretary Of States Office Business Services Division 325 Don Gaspar Suite 300 Santa Fe NM 87501 NM Taxation & Revenue Department Lisa Ela PO Box 8575 Albuquerque NM 87198-8575 NMR Holdings LLC 110 16th St Ste 910 Denver CO 80202 NMR HOLDINGS LLC 110 16TH ST STE 910 Denver CO 80202 Noah Wasserman Address Redacted Noam Alhadeff Address Redacted Noble B Schaefer Address Redacted Noble Casing Inc 1708 47th St W Williston ND 58801 Noble Drilling LLC Office Building 125 S Howes St Ste 800 Fort Collins CO 80521-2746 Noble Energy Inc 1001 Noble Energy Way Houston TX 77070 Noble Energy Inc PO Box 910083 Dallas TX 75391-0083 Noble Energy Inc Attn: Cathey Chaney Po Box 910083 Dallas TX 75391-0083 NOBLE ENERGY INC P O BOX 910083 Dallas TX 75391-0083 Noble Energy Spif 100 Crescent Court Ste 700 Dallas TX 75201 Noble Energy Wyco LLC PO Box 910083 Dallas TX 75391-0083 NOBLE ENERGY WYCO LLC P O BOX 910083 Dallas TX 75391-0083 NOBLE ENERGY, INC. 1001 NOBLE ENERGY WAY Houston TX 77070 Noble Onshore Inc PO Box 660082 Dallas TX 75266-0082 Noble Royalties Access Fund Iv LP PO Box 660082 Dallas TX 75266-0082 Noble Royalties Access Fund V LP PO Box 660082 Dallas TX 75266-0082 Noble Royalties Access Fundiii LP PO Box 660082 Dallas TX 75266-0082 Noble Royalties Inc PO Box 660082 Dallas TX 75266-0082 Noble Royalties Inc D/B/A Brown-Drake Royalties PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fnd Xi LP PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fund 12 LP PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fund 13 LP PO Box 660082 Dallas TX 75266 Noble Royalty Access Fund Vii LP PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fund Viii LP PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fund X LP PO Box 660082 Dallas TX 75266-0082 Noble Royalty Access Fund Xi LP PO Box 660082 Dallas TX 75266 Noble Trucking LLC Front Office Building 125 S Howes St Fort Collins CO 80521-2746 Nodak Oilfield Services PO Box 11212 Williston ND 58803 Nodak Oilfield Services, LLC Accounts Payable 4928 Hwy 85 Williston ND 58801 Nodak Oilfield Services, LLC Leann Esterby 4928 Highway 85 Williston ND 58801 Noddi Company Lc Address Redacted Noecker Van Dyke Family Irrevocable Trust- Alexandra Ferrara Trustee Address Redacted Noel Engemoen Lindzey Memorial Trust Address Redacted Noel I Fedje Address Redacted Noel Schmoker Address Redacted Noela R Kingsbury Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 440 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 443 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Nolan And Leslie Tveit, Jtwros Address Redacted Nolan Brandt Address Redacted Nolan G Bolken Address Redacted Nolan J And Margaret A Mikelson Jt Address Redacted Nollie Jane Cone Address Redacted NOMA F OLMSTED Address Redacted NOMINEE ACCOUNT Address Redacted Nomura Securities International, Inc. Adrian Rocco 309 West 49th Street 10th Floor New York NY 10019-1774 Nomura Securities International, Inc. C/O Adp Proxy Services Issuer Services 51 Mercedes Way Edgewood NY 11717 Nomura Securities International, Inc. Issuer Services C/O Adp Proxy Services 51 Mercedes Way Edgewood NY 11717 Nona Kennedy Carlson Address Redacted Noonday Royalty Company PO Box 750186 Houston TX 77275-0186 Nora A Markestad Flom Address Redacted Nora Ann O'Dell Address Redacted Nora Hayes Address Redacted Nora K Gawel Address Redacted Nora Mae Hodo Address Redacted Nora Mae Martin Address Redacted Nora Weltzin And Stan Weltzin Trustees Of The Weltzin Trust Address Redacted Norah M Barger 5031 Glenbrook Road Nw Washington DC 20016 Noramex Resources Ltd. Address Redacted Norbert A Schwahn Life Estate Address Redacted Norbert Buinowski Address Redacted Norbert Geiger Address Redacted Norbert L Krank & Maureen A Krank Tr Address Redacted Norbert LLC PO Box 4951 Scottsdale AZ 85261 Norco Inc PO Box 413124 Salt Lake City UT 84141-3124 Nordstrand Oil & Gas Inc PO Box 1985 Tijeras NM 87059 Noreen L Carrol Revoc Trust Mary Ann Muggli Haws, John Muggli & Jane Muggle - Co-Trst Address Redacted Norell, Josh Address Redacted Norene Gorder Trustee Of The Norene Gorder Rev Trust Udt 12/10/03 Address Redacted Norgard Mineral Holding LLC 4221 Coventry Drive S Fargo ND 58104 Noric Corporation Address Redacted Norma A Bentley Life Estate Address Redacted Norma B Covert Address Redacted Norma Barton Chanley Address Redacted Norma Darlene Hurley Address Redacted Norma E Deming Address Redacted Norma Hernandez Address Redacted Norma J Juneau Ira Account Pensco Trust Company Custodian Address Redacted Norma J Sands Revocable Trust Address Redacted Norma J Sands Revocable Trust c/o Burkhardt Law Office Attn: James M. Burkhardt 215 4th St N. Cannon Falls MN 55009 Norma J Sands Revocable Trust Dtd 6-2-95 - Norma Sands - Tr Address Redacted Norma Jean Kramlich Address Redacted Norma L Calder Address Redacted Norma L Clarke Address Redacted Norma Lynch Address Redacted Norma Mayo A/K/A Norma J Mayo Address Redacted Norma Mitten Address Redacted Norma P Humbert Address Redacted Norma P Olson Address Redacted Norma Sands Diane L Sands Poa Address Redacted Norma Taylor Address Redacted Norma Wehri Address Redacted Norma Williams Address Redacted Norman & Delores Thompson Address Redacted Norman & Grace Beebe Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 441 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 444 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Norman A & Jill A Torgerson Jtwrs Address Redacted Norman A Kjos Address Redacted Norman August Dahl Address Redacted Norman Baxter Address Redacted Norman Baxter C/O Evelyn Wiederrich Address Redacted NORMAN CITIES SWD PO BOX 10 Lamesa TX 79331-0010 Norman Coldewey Address Redacted Norman Corbertt Jr Address Redacted Norman E Arildson Address Redacted Norman E Graham Address Redacted Norman E Olson Le Address Redacted Norman E Sondrol Address Redacted NORMAN E SONDROL AND MARLENE J SONDROL Address Redacted Norman F Carlson Address Redacted Norman F Redetzke Trustee Redetzke Family Trust Address Redacted Norman G Corbett Jr Address Redacted Norman G Damon Address Redacted Norman G Unterseher And Janet Unterseher Address Redacted Norman H Jorve Address Redacted Norman H Thompson Address Redacted Norman Heupel Eldean Flath, Aif Address Redacted Norman J Livingston Jr Address Redacted Norman J Stevens & Gail Stevens, Joint Tenants Address Redacted Norman K Hancock Address Redacted Norman K Hancock Revocable Living Trust Dtd 6-29-90 Nk Hancock - Trustee Address Redacted Norman L Finsaas Address Redacted Norman L Johnston Address Redacted Norman L Lindstedt As Ttee Of Stephen Roger Dobie Test Tr Address Redacted Norman L Mayes Address Redacted Norman L Olson Address Redacted Norman Lee Good Jr Address Redacted Norman Lindsley Address Redacted Norman M Jones Ira C/O Thoreson Steffes Address Redacted Norman Olson Estate Address Redacted Norman R Vogel Address Redacted Norman Steggell Address Redacted Norman W Kruger Address Redacted Normarth Corp Unlocatable P O Box 48 Jewett NY 12444 Noroma Energy LLC PO Box 5443 Austin TX 78763 Norra Resources LLC PO Box 816 Bismarck ND 58502 NORRA RESOURCES LLC PO BOX 816 Bismarck ND 58502 Norris A Dover Company Po Box 730187 Dallas TX 75373-0187 Norris W Carnes Address Redacted Norris Weflen Address Redacted Norse Exploration Inc PO Box 4160 Houston TX 77210-4160 Norske Sostre LLC 1725 Sun Valley Ln Edmond OK 73034 Norstog Enterprises LLC 13130 E San Juan Lane Spokane Valley WA 99206 Norstog Family Tr Dtd 06/16/03 Paul Norstog, Jon Norstog Eric Norstog Co-Trustees Address Redacted Norstog Family Tr Dtd 06-16-03 Paul Norstog, Jon Norstog Eric Norstog Co-Trustees Address Redacted Norstog Irrevoc Trust Dtd 6/11/08 Margrit R Johannesson, Trustee Address Redacted Norsworthy Family Trust #1 Margaret B Norsworthy Trustee Address Redacted Norsworthy Family Trust #1 Under Certain Irrevocable Trst Margaret B Norsworthy, Trustee Address Redacted Nortex Corporation C/O The Northern Trust Company Po Box 27710 Houston TX 77227-7710 Nortex Corporation C/O The Northern Trust Co Acct No 03-14131 PO Box 27710 Houston TX 77227-7710 North American Exploration Inc One West Loop South Suite 100 Houston TX 77027 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 442 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 445 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country North Arm Resource Inc 207 E Georgia Avenue Phoenix AZ 85012 NORTH ARM RESOURCE INC 207 E GEORGIA AVENUE Phoeniz AZ 85012 NORTH ARM RESOURCE, INC 207 E GEORGIA AVENUE Phoeniz AZ 85012 NORTH ARM RESOURCES, INC 207 E GEORGIA AVENUE Phoeniz AZ 85012 Department Of State Treasurer North Carolina Unclaimed Property & Escheats 3200 Atlantic Ave Raleigh NC 27604-1668 North Central Casing Pullers Inc PO Box 1444 Graham TX 76450 North Central Electric 501 11Th Street West Suite 1 Bottineau ND 58318-1916 NORTH CENTRAL ELECTRIC 501 11TH STREET WEST SUITE 1 Bottineau ND 58318-1916 NORTH COUNTRY OIL 7258 38TH ST NW Parshall ND 58770 North Country Oil Attn: Jerilya Wilkie 7258 38th St NW Parshall ND 58770 North Country Properties LP Attn: Richard Shapiro 5349 S Windermere St Littleton CO 80120 Department Of Trust Lands Unclaimed North Dakota Property Division Po Box 5523 Bismarck ND 58506-5523 North Dakota 4-H Foundation Inc Ndsu - Dept 7280 PO Box 6050 Fargo ND 58108 NORTH DAKOTA BOARD OF PO BOX 5523 Bismarck ND 58506-5523 North Dakota Board Of University And School Lands PO Box 5523 Bismarck ND 58506-5523 North Dakota Cga Attn: Dina Edwards Po Box 484 Minot ND 58702 North Dakota Community Foundation Po Box 1513 Dickinson ND 58601 Of Transportation Motor Vehicle North Dakota Department Division 608 E Boulevard Avenue Bismarck ND 58505-0780 North Dakota Department Of Emergency Management Po Box 5511 Bismark ND 58506-5511 North Dakota Department Of Environmental Quality 918 E. Divide Ave 4th Floor Bismarck ND 58501 NORTH DAKOTA DEPARTMENT OF ENVIRONMENTAL QUALITY 918 E. DIVIDE AVE. Bismarck ND 58501 North Dakota Department Of Environmental Quality Address Redacted North Dakota Department of Environmental Quality Attn: L. Dave Glatt, P.E. 918 E Divide Ave 4th Floor Bismarck ND 58501 North Dakota Department Of Environmental Quality - Ray Gas Plant Emissions Fee 918 E. Divide Ave Bismarck ND 58501-1947 North Dakota Department Of Environmental Quality - Registration Program 918 E. Divide Ave Bismarck ND 58501-1947 North Dakota Department Of Environmental Quality - Title V Program 918 E. Divide Ave Bismarck ND 58501-1947 North Dakota Department Of Health 600 E Boulevard Ave Bismarck ND 58505 North Dakota Department Of Health - Nd Sara Tier II Reporting PO Box 5511 Bismarck ND 58506-5511 North Dakota Department Of Human Services For The Acct Of David Traxel Attn: Legal Advisory Unit 600 E Boulevard Ave Dept 325 Bismarck ND 58505-0250 North Dakota Department Of Human Services State Capitol-Judical Wing 3Rd 600 E Boulevard Ave Dept 325 Bismarck ND 58505 North Dakota Department of Labor and Human Right Attn: Michelle Kommer 600 E Boulevard Ave Department 406 Room 107 Bismarck ND 58505 NORTH DAKOTA DEPARTMENT OF TRANSPORTATION 608 EAST BOULEVARD AVENUE Bismarck ND 58505-0700 NORTH DAKOTA DEPARTMENT OF TRUST LANDS UNCLAIMED PROPERTY DIVISION PO BOX 5523 Bismarck ND 58506-5523 North Dakota Departmnet of Treasury Attn: Kelly L. Schmidt 600 E Boulevard Avenue Department 120 Bismarck ND 58505 North Dakota Dept Of Environmental Quality Gold Seal Center 918 E Divide Avenue Bismarck ND 58501-1947 North Dakota Dept Of Transportation 605 W Dakota Pkwy Williston ND 58801-4282 Division Of Laboratory Services - North Dakota Dept Of Health Chemistry 2635 E Main Ave Bismarck ND 58506 600 E Boulevard Ave Dept North Dakota Dept Of Human Services Judicial Wing, 3rd Floor 325 Bismarck ND 58505

NORTH DAKOTA DEPT OF TRANSPORTATION 608 EAST BOULEVARD AVENUE Bismarck ND 58505-0700 NORTH DAKOTA DEPT OF TRANSPORTATION Address Redacted North Dakota Dept Of Trust Address Redacted North Dakota EEOC - Chicago District Office Attn: Julianne Bowman JCK Federal Building 230 S Dearborn Street Chicago IL 60604 North Dakota Industrial Commission 1016 East Calgary Ave Bismarck ND 58503 600 E. Boulevard Ave. Dept. 405; North Dakota Industrial Commission State Capitol 14th Floor NORTH DAKOTA INDUSTRIAL COMMISSION, DEPARTMENT OF MINERAL RESOURCES, OIL & GAS DEPT. 405; STATE CAPITOL 14TH DIVISION 600 E. BOULEVARD AVE. FLOOR Bismark ND 58505-0840 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 443 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 446 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country North Dakota Insurance Reserve Fund Po Box 2258 Bismarck ND 58502 North Dakota Lng LLC 100 Washington Ave S Ste 1530 Minneapolis MN 55401-3000 North Dakota Minerals LLC 1600 Broadway Ste 2450 Denver CO 80202 North Dakota Minerals, LLC 1600 Broadway, Suite 2450 Denver CO 80202 North Dakota Minerals, LLC c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 North Dakota Occupational Safety and Health Administration Bismarck Area Office 521 E Main Avenue Suite 200 Bismarck ND 58501 NORTH DAKOTA OF TRANSPORTATION 608 EAST BOULEVARD AVENUE Bismarck ND 58505-0700 North Dakota Office fo the Attorney General Consumer Protection Division 1050 E Interstate Avenue Suite 200 Bismarck ND 58503 North Dakota Office Of State Tax Commissioner 600 E. Boulevard Ave Dept 127 Bismarck ND 58505-0599 North Dakota Office Of State Tax Commissioner 600 E. Boulevard Ave. Bismark ND 58505 North Dakota Office of the Attorney General Attn: Wayne Stenehjem 600 E Bismarck Avenue Department 125 Bismarck ND 58505

North Dakota Office Of The Attorney Genereal State Capitol, 600 E Boulevard Ave Dept. 125 Bismarck ND 58505 North Dakota One Call Inc PO Box 1624 Bismarck ND 58502 North Dakota One Call, Inc. C/O One Call Concepts, Inc. 7223 Parkway Drive, Suite 210 Hanover MD 21076 North Dakota Parks & Recreation Department 1600 East Century Ave Suite 3 Bismarck ND 58503 North Dakota Petroleum Council PO Box 1395 Bismarck ND 58502 North Dakota Pipeline Company 5400 Westheimer Court Houston TX 77056 North Dakota Safety Council 1710 Canary Avenue Ste A Bismarck ND 58501 North Dakota Safety Council Attn: Lisa Heimbuck 1710 Canary Ave. Bismarck ND 58501 North Dakota Securities Department Attn: Karen Tyler State Capitol 600 E Boulvedard Avenue 5th Floor Bismarck ND 58505 North Dakota State Land Department PO Box 5523 1707 North 9th St Bismarck ND 58506-5523 NORTH DAKOTA STATE PO BOX 5523 Bismarck ND 58506-5523 North Dakota State Land Department 1707 North 9th Street Po Box 5523 Bismarck ND 58506-5523 North Dakota State Land Department PO Box 5523 1707 North 9th St Bismarck ND 58506-5523 North Dakota State Land Dept Bank Of North Dakota Escrow 1200 Memorial Hwy Bismarck ND 58506-5509 NORTH DAKOTA STATE TRUST LANDS 1707 N. 9TH ST. Bismark ND 58501-5523 North Dakota Tax Commissioner 600 E Boulevard Ave Dept. 127 Bismarck ND 58505 North Dakota Tax Commissioner PO Box 5624 Bismarck ND 58506-5624 North Dakota Veterans Cemetary Foundation 30 Fraine Barracks Rd PO Box 5511 Bismarck ND 58506 North Dakota Veterans Home PO Box 673 Lisbon ND 58054 North Fork Ad3 LLC 2100 Ross Ave Ste 1870 Lb-9 Dallas TX 75201

North Oak Corp Attn: Carlos Ignacio Arboleda Vergara Carrera 27 #7B, Apt 403 Medellin 050021 Colombia North Oak Corp Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 North Plains Consulting Services Inc 1442 125th Ave Nw Watford City ND 58854 NORTH PLAINS ENERGY, LLC ATTN: J. STEPHEN MERCER 1888 SHERMAN STREET SUITE 375 Denver CO 80203 North Plains Energy, LLC c/o Throne Law Office P.C. Attn: S. Thomas Throne PO Drawer 6590 Sheridan WY 82801 North Plains Energy, LLC c/o Throne Law Office P.C. Attn: Theodore Standage PO Drawer 6590 Sheridan WY 82801 NORTH PLAINS ENERGY, LLC (AS SELLER) ATTN: J. STEPHEN MERCER 1888 SHERMAN STREET SUITE 375 Denver CO 80203 North Shore Auto Parts Inc Box 910 311 Main St New Town ND 58763 North Shore Plaza High School PO Box 38 Plaza ND 58771 North Sound Capital Venture LLC 713 W Southwest Loop 323 #145 Tyler TX 75701 North Star Petroleum Inc C/O Dan Hedger, President 2735 Sheppard-Rees Road Kerrville TX 78028 NORTH TOWER 6TH FLOOR 200 BAY ST ROYAL BK PLAZA Toronto ON M5J 2W7 Canada North Waterfront-Texas LLC 400 W Illinois Ave Ste 1630 Midland TX 79701 NORTH WATERFRONT-TEXAS, LLC 400 W ILLINOIS AVE STE 1630 Midland TX 79701 Northeast Weld Drylanders Inc PO Box 54 Stoneham CO 80754 Northern A-1 Services PO Box 1030 Kalkaska MI 49646 NORTHERN ENEGY PO BOX 2283 Bismarck ND 58502 NORTHERN ENERGY PO BOX 2283 Bismarck ND 58502 Northern Energy Corp PO Box 2283 Bismarck ND 58502 NORTHERN ENERGY CORP PO BOX 2283 Bismarck ND 58502 NORTHERN ENERGY CORP. PO BOX 2283 Bismarck ND 58502 NORTHERN ENERGY CORPORATION PO BOX 2283 Bismarck ND 58502 Northern Energy Services LLC PO Box 787 Tioga ND 58852 Northern Improvement Company PO Box 2846 Fargo ND 58108-2846 Northern Industries PO Box 223 Westhope ND 58793 NORTHERN O&G 601 CARLSON PKWY STE 990 Minnetonka MN 55305 Northern Oil & Gas Inc 601 Carlson Pkwy Ste 990 Minnetonka MN 55305 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 444 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 447 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country NORTHERN OIL & GAS INC 601 CARLSON PKWY STE 990 Minnetonka MN 55305 NORTHERN OIL & GAS INC AND METALS & ENERGY CAPITAL DIV 601 CARLSON PKWY STE 990 Minnetonka MN 55305 NORTHERN OIL & GAS INC. 601 CARLSON PKWY STE 990 Minnetonka MN 55305 Northern Oil And Gas 601 Carlson Pkwy Ste 990 Minnetonka MN 55305 Northern Oilfield Services LLC 1648 S Cushman St Ste 205 Fairbanks AK 99701 Northern Oilfield Services, LLC Address Redacted Northern Oilfield Services, LLC Attn: Sheldon Van Vost 1637 44th St W Williston ND 58801 Attn: Steven M. Johnson & Grant Northern Oilfield Services, LLC c/o Church, Harris, Johnson & Williams Kelly 114 Third Street South PO Box 1645 Great Falls MN 59403-1645 Northern Oilfield Services, LLC c/o Regency Energy Services, LLC Attn: Victor Temple 5033 142nd Ave NW Williston ND 58801 Northern Pacific Exploration LLC PO Box 572 Bismarck ND 58502-0572 Northern Pacific Royalties LLC PO Box 572 Bismarck ND 58502 1133 College Drive, Suite Northern Pacific Royalties, LLC c/o Fredrikson & Byron, P.A. Attn: Lawrence Bender 1000 Bismark ND 58501 Northern Pacific Royalties, LLC Lawrence Bender PO Box 572 Bismarck ND 58502 Northern Prairie Royalty LLC 7400 W Grant Ranch Blvd #45 Denver CO 80123 Northern Pump & Compress Inc PO Box 1497 Watford City ND 58854 Northern Safety Company Inc PO Box 4250 Utica NY 13504-4250 Northern States Completions PO Box 733613 Dallas TX 75373-3613 Northern States Fishing Tool Co Inc Box 346 Watford City ND 58854 Northern States Fishing Tool Co Inc. Address Redacted Northern Testing Inc 2201 15th St SW Minot ND 58701-6935 Northern Valley Electrical Service Inc 4551 S Washington St Ste L Grand Forks ND 58201 Northern Valley Electrical Service, Inc. Kelly Coye 4551 S. Washington Street Suite L Grand Forks ND 58201 Northington, Micah Address Redacted Northland Electric Inc P O Box 160 Mohall ND 58761 Northland Properties LLC 15443 E Firerock Cntry Club Dr Fountain Hills AZ 85268 Northland Royalty Corp PO Box 1676 Bismarck ND 58502 NORTHLAND ROYALTY CORP PO BOX 1676 Bismarck ND 58502 Northland Services Inc Box 224 Longville MN 56655 Northstar Energy Company 475 17Th St Ste 1350 Denver CO 80202 Northstar Prod & Land LLC PO Box 2454 Midland TX 79702 NORTHSTAR PROD & LAND LLC PO BOX 2454 Midland TX 79702 Northstar Resources PO Box 3158 Bismarck ND 58502 Northwest Bell Telephone Co C/O Qwest Business Resources 1801 California St Room 4600 Denver CO 80202-2658 Northwest Communications Coop 111 Railroad Ave Po Box 38 Ray ND 58849-0038 Northwest Communications Coop PO Box 38 Ray ND 58849-0038 NORTHWEST COMMUNICATIONS COOP PO BOX 38 Ray ND 58849 NORTHWEST COMMUNICATIONS COOP PO BOX 38 Ray ND 58849 Northwest Farm Credit Services Flca C/O Agribank 30 East Seventh Street Suite 1600 St Paul MN 55101 Northwest Instruments And Controls Inc 4950 Goodman St Timnath CO 80547 Northwest Sand Farms LLC C/O First National Bank PO Box 189 Nash OK 73761 Northwest Supply & R & R Trophies Inc 224 East Broadway Williston ND 58801 Northwest Water Transfer LLC PO Box 8479 Williston ND 58803 Northwestern Bell Telephone Co 100 S 5th St Ste 1040 PO Box 5508 Bismarck ND 58502-5508 Northwestern Power Equipment 779 County Road B2 W Po Box 131180 Roseville MN 55113 Norton R Fauchald Address Redacted Norvella Solberg Address Redacted Norville Oil Co LLC 901 East Britton Road Oklahoma City OK 73114 Nosa Investments LLC 15305 Dallas Pkwy Ste 300 Addison TX 75001 Noteboom Enterprises LP 17893 Flushing Hills Court Lakeville MN 55044

Noteboom Family Trust Harvey & Melanie Noteboom Tste Address Redacted Nov Wilson LP 7909 Parkwood Circle Dr Houston TX 77036 Nova Energy LLC 3639 76th Ave Nw Parshall ND 58770 NOVA ENERGY, LLC 14195 US HWY 2 Williston ND 58801 Nova Fire Protection Inc 304 41st Street Sw Fargo ND 58103 Nova Fire Protection, Inc. Kristy Ertelt 304 41st St SW Fargo ND 58103 Nova Oilfield Services Inc PO Box 2326 Williston ND 58802 Novaspect Inc P O Box 7621 Carol Stream IL 60197-7621 Novem Wight LP 1004 N Big Spring St Ste 325 Midland TX 79701 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 445 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 448 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country NOW WOGC 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Nowitzki Oil & Gas LP 301 Commerce St #1830 Ft Worth TX 76102 Np Resources LLC 1600 Broadway Ste 2450 Denver CO 80202 NP RESOURCES LLC 1600 BROADWAY, SUITE 2450 Denver CO 80202 NP RESOURCES, LLC 1600 BROADWAY STE 2450 Denver CO 80202 Nr Construction PO Box 744 New Town ND 58763-0744 Nrgx Technologies Ltd 20 Brookmere Gardens Sw Calgary AB T2W 2R6 Canada Nrp Oil & Gas LLC 1201 Louisiana St Ste 3400 Houston TX 77002 Nscd Attn Account Receivable 1801 Mile High Stadium Cir Ste 1500 Denver CO 80204 Nubbins Lc PO Box 1103 Sherman TX 75091-1103 Nuco Resources LLC 1501 Silver Lake Ct Austin TX 78732 c/o Linebarger Goggan Blair & Nueces County Sampson, LLP Attn: Diane W. Sanders PO Box 17428 Austin TX 78760 Nueces County Clerk PO Box 2810 Corpus Christi TX 78403-2810 Nueces County, TX Treasurer 901 Leopard St. Floor 2Nd Room Corpus Christi TX 78401 Nueva Forma Energy Partners PO Box 831296 Richardson TX 75083 Nugenco Jet International Inc 200 S Wilcox Street Suite 540 Castle Rock CO 80104 Nugent Family Operating Co LP 11700 Preston Road Suite 660 Box 520 Dallas TX 75230 Nugent, Christina Address Redacted NUTANIX INC 1740 TECHNOLOGY DR SUITE 150 San Jose CA 95110 NUTANIX INC 1740 TECHNOLOGY DR SUITE 150 San Jose CA 95110 Nutech Specialties Inc 9811 S 6150 West West Jordan UT 84081 Nyse Market Inc PO Box 734514 Chicago IL 60673-4514 Nystrom Revocable Living Trust Dtd 8-15-16 Clifford & Lynn Nystrom - Tr Address Redacted O & B Anderson Family Mineral Trust American Trust Center Trustee Address Redacted O B Martin Trust C/O Stephanie L Martin Address Redacted O Brannan Energy Corp PO Box 7217 Bismarck ND 58507-7217 O BRANNAN ENERGY CORP PO BOX 7217 Bismarck ND 58507-7217 O BRYANT & HELOISE LEWIS Address Redacted O BRYANT LEWIS AND HELOISE CARTER LEWIS Address Redacted O D Brown Jr Address Redacted O Gundvaldsen Address Redacted O H Wolff & Gladys M Wolff Joint Tenants Address Redacted O R Vold Address Redacted O Strother Simpson Iii Address Redacted O Toole Oil Inc PO Box 529 Plentywood MT 59254 O2 Group 150 Capital Dr Ste 100 Golden CO 80401 O2 GROUP 150 CAPITAL DRIVE SUITE 100 Golden CO 80401 Oag Aviation Worldwide LLC 23736 Network Dr Chicago IL 60673 Oag Reserve LLC C/O Madison Royalty Mgmt LLC 402 Gammon Pl, #200 Madison WI 53719 Oagrcv LLC C/O Madison Royalty Mgmt LLC 402 Gammon Pl, #200 Madison WI 53719 Oak Tree Minerals LLC 2601 Network Blvd Ste 404 Frisco TX 75034 Oak Valley Mineral & Land LP PO Box 50820 Midland TX 79710 Oak Valley Mineral And Land LP c/o Gregory Meece 811 Main Street #2500 Houston TX 77002 Oakes, Jaylene Address Redacted Oakland County Clerk And Recorder 1200 N Telegraph Bldg 12 East Pontiac MI 48341 Oakland County, MI Treasurer 1200 N Telegraph Pontiac MI 48340 Oaklane Properties Inc PO Box 1051 Laurel MS 39441 Oakwood Minerals I LP PO Box 17728 Fort Worth TX 76102 Oanh Thi Donnelly 9205 Nw 14th Pl Gainesville FL 32606 Oasis Emission Consultants Inc 2730 Commercial Way Rock Springs WY 82901 Oasis Minerals Inc PO Box 12663 Odessa TX 79768 Oasis Petroleum Na LLC PO Box 731506 Dallas TX 75373-1506 OASIS PETROLEUM NA LLC PO BOX 731506 Dallas TX 75373-1506 Attn: Patrick L. Hughes & David Oasis Petroleum North America LLC c/o Haynes and Boone, LLP Trausch 1221 McKinney Street Suite 4000 Houston TX 77010 OASIS PETROLEUM NORTH AMERICA LLC P O BOX 731506 Dallas TX 75373-1506

OASIS PETROLEUM NORTH AMERICAN LLC ATTN: NICKOLAS J. LORENTZATOS 1001 FANNIN STREET SUITE 1500 Houston TX 77002 Oates Oil Company Inc. Pmb 222 #100 25 Highland Park Vlg Dallas TX 75205 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 446 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 449 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ob Zemke Deceased 811 E Colonial Ave Orlando FL 32803 Obach Minerals LLC 3410 125th Ave Sw Belfield ND 58622 Obert C Skedsvold Mineral Tr Dated 05/29/98 Anita Decker Sole Trustee Address Redacted Obo Inc P O Box 22577 Hialeah FL 33002-2577 O'Brien Exploration LLC PO Box 1813 Bismarck ND 58502-1813 O'Brien Fam Min Tr Dtd 4/23/14 Aaron Obrien & Denise Person Co-Trustees Address Redacted OBRIEN RESOURCES PO BOX 2631 Bismarck ND 58502 Obrien Resources LLC PO Box 2631 Bismarck ND 58502 OBRIEN RESOURCES LLC PO BOX 2631 Bismarck ND 58502 O'Brien, Jason Address Redacted O'Brien, Meme Address Redacted Obriens Response Management Inc Dept 3599 Po Box 123599 Dallas TX 75312-3599 Obrigewitch Oil LLC PO Box 445 Belfield ND 58622 Occidental Energy Company Inc PO Box 820467 Houston TX 77282-0467 OCCIDENTAL ENERGY MARKETING, INC. S. GREENWAY PLAZE Houston TX 77227-7570 Occidental Permian Ltd PO Box 841803 Dallas TX 75284-1803 Occupational Health Centers Address Redacted Oceal Wilson Mcmillan Address Redacted Ocl Enterprises LLP 1452 Highway 16 East Buffalo WY 82834-9515 Octo-Bee Ltd 612 Nw Albemarle Terrace Portland OR 97210 Oculto LP PO Box 50190 Midland TX 79710 Oddbjorg A Stenberg C/O Chris Tofteland Poa Address Redacted Oddvar Ola & Barbro Sire Thon Address Redacted Odegard, Mark Address Redacted Odermann, Jacob Address Redacted Odessa Minerals LLC PO Box 794174 Dallas TX 75379 Odessa Pumps & Equipment Inc PO Box 60429 Midland TX 79711-0429 Odis Fossum Address Redacted Odlum Brown Limited/CDS** Ron Rak Supervisor 250 Howe Street Suite 1100 Vancouver V6c 3sbc Canada Odyssey Royalties LLC PO Box 550 Littleton CO 80160-0550 Offerdahl Family Mineral Trust Theresa Steier Trustee Address Redacted Office Mineral Resources State Mineral Board Royalty - Oil PO Drawer 2827 Attn Asst Secretary Baton Rouge LA 70821 OFFICE OF NATURAL RESOURCE REVENUE P.O. BOX 25165, ENTRANCE N-1 BUILDING 85, 8TH ST. Denver Federal Center CO 80225 Office Of Natural Resources PO Box 25627 Denver CO 80225-0627 Office Of Natural Resources Revenue PO Box 25627 Denver CO 80225-0627 Office Of Natural Resources Revenue PO Box 25627 Denver CO 80225-0627 Office Of Natural Resources Revenue P O Box 25627 Denver CO 80225-0627 OFFICE OF NATURAL RESOURCES REVENUE PO BOX 25627 Denver CO 80225-0627 Office Of The General Treasurer Operations Center 50 Service Ave Warwick RI 02886 OFFICE OF THE STATE ENGINEER 900 EAST BOULEVARD Bismarck ND 58505-0850 Office of the U.S. Trustee Attn: Stephen Douglas Statham 515 Rusk Street Suite 3516 Houston TX 77056 Officescapes PO Box 975066 Dallas TX 75397-5066 OfficeScapes of Denver LLLP Address Redacted Officescapes of Denver, LLLP Joel E. Bolgren 9900 East 51st Avenue Denver CO 80238 Attn: Jason S. Brookner & Paul D. Official Committee of Unsecured Creditors c/o Gray Reed & McGraw LLP Moak 1300 Post Oak Blvd Suite 2000 Houston TX 77056 Official Committee of Unsecured Creditors c/o Gray Reed & McGraw LLP Attn: Lydia R. Webb 1601 Elm Street Suite 4600 Dallas TX 75201 Attn: Jeffrey N. Pomerantz & Shirley Official Committee of Unsecured Creditors c/o Pachulski Stang Ziehl & Jones LLP S. Cho 10100 Santa Monica Blvd 13th Floor Los Angeles CA 90067 Attn: Robert J. Feinstein & Steven 780 Third Avenue, 34th Official Committee of Unsecured Creditors c/o Pachulski Stang Ziehl & Jones LLP W. Golden Floor New York NY 10017

Oford Boe Estate Trust American State Bank & Tr Ttee PO Box 1446 Williston ND 58802-1446 OFS International David Currie 7735 Miller Rd 3 Houston TX 77049 Ogden, Dustin Address Redacted Ogi Inc 841 Hersch Avenue Pagosa Springs CO 81147 Ogm Partners I PO Box 17728 Fort Worth TX 76102 OGR BAKKEN RESOURCES LLC ATTN: SARFRAZ LALANI 85 BROAD ST, 3RD FL New York NY 10004 Ogr Bakken Resources LLC Attn: Sarfraz Lalani 85 Broad St, 3rd Fl New York NY 10004 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 447 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 450 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country OGR BAKKEN RESOURCES, LLC ATTN: SARFRAZ LALANI 85 BROAD ST, 3RD FL New York NY 10004 Ogx Royalty Fund Iv LP PO Box 2064 Midland TX 79702 Ohio Department Of Commerce Division Of Unclaimed Funds 77 South High Street 20Th Floor Columbus OH 43215-6108 Ohlson, Charles Address Redacted Oil & Gas Equipment Corp PO Box 459 Flora Vista NM 87415 Oil And Gas Awards Limited Rbs Citizens Na Attn Remittance Processing Po Box 42006 Providence RI 02940-2006 Oil Dog Pipe Rentals LLC PO Box 4545 Midland TX 79704 Oil India Usa Inc 101 Southwestern Blvd Ste 136 Sugarland TX 77478 101 SOUTHWESTERN BLVD STE OIL INDIA USA INC 136 Sugarland TX 77478 Oil Patch Group Inc PO Box 204667 Dallas TX 75320-4667 Oil Patch Hotline Inc PO Box 1203 Plymouth FL 32768 Oil Price Information Service PO Box 9407 Gaithersburg MD 20898-9407 Oil Properties Holding II LLC 50 S Steele St Ste 430 Denver CO 80209-2809 1541 John Ben Sheppard Parkway Oil Spill Clean Up Inc Blvd Unit 5 Odessa TX 79761 Oil Spill Clean Up Inc PO Box 856 Monahans TX 79756 1541 John Ben Sheppard Parkway Oil Spill Clean Up Inc. Attn: Emilio M Bustamante Blvd Unit 5 Odessa TX 79761 Oil States Energy Services LLC PO Box 203567 Dallas TX 75320-3567 OIL TOOL SOLUTIONS LLC 4065 S Eliot St Englewood CO 80110-4396 Oil Tool Solutions LLC 66 S Logan St Ste 111 Denver CO 80209 Oildfield Services & Supply Co. Inc. Robert M. Stone, Jr. P.O. Box 454 Laurel MS 39441 Oilfield Helping Hands PO Box 720235 Houston TX 77272 Oilfield Labs of America Martin Ramirez 2415 W. Alabama Sr. #204 Houston TX 77098 Oilfield Labs Of America LLC Dept 351 Po Box 4458 Houston TX 77210-4458 OILFIELD LABS OF AMERICA, LLC DEPT 351 PO BOX 4458 Houston TX 77210-4458 Oilfield Service & Supply Co P O Box 454 Laurel MS 39441-0454 Oilfield Technical Services 7412 Nw 83rd St Oklahoma City OK 73132 Oja Revocable Living Trust Dtd 8-24-11 Deloris Oja - Trustee 116 5TH Ave SE Stanley ND 58784 Ok Implement Co/Napa 241 N Main Watford City ND 58854 Ok Implement Co/Napa P O Box 545 Watford City ND 58854 Ok Oil Project 1 LLC PO Box 260498 Lakewood CO 80226 Okie Crude Company 715 Mid Continent Tower 401 South Boston Avenue Tulsa OK 74103 715 Mid Continent Tower, 401 South Okie Crude Company Boston Avenue Tulsa OK 74103 OKLAHOMA CORPORATION COMMISSION 2101 N LINCOLN BLVD #129 Oklahoma City OK 73105 Oklahoma Department of Comsumer Credit 3613 NW 56th Street Suite 240 Oklahoma City OK 73112 Oklahoma Department of Environmental Quality PO Box 1677 Oklahoma City OK 73101-1677 OKLAHOMA DEPARTMENT OF ENVIRONMENTAL QUALITY 707 N ROBINSON AVE Oklahoma City OK 73102 Oklahoma Department of Labor Attn: Leslie Osborn 3017 N Stiles Ave Suite 100 Oklahoma City OK 73105 Oklahoma Department of Securities Attn: Irving L. Faught Security Commission 204 N Robinson Avenue Suite 400 Oklahoma City OK 73102 Oklahoma Department of Treasury Attn: Randy McDaniel 9520 N May Avenue Lower Level Oklahoma City OK 73120 Oklahoma EEOC - Oklahoma City Area Office Attn: Holly Cole 215 Dean A McGee Avenue Suite 524 Oklahoma City OK 73102 Oklahoma Gas Tax Partnership Address Redacted Oklahoma Medical Research Foundation Bank Of Oklahoma Na Agent PO Box 1588 Tulsa OK 74101

Oklahoma Occupational Safety and Health Administration Oklahoma City Area Office 5104 N Francis Avenue Suite 200 Oklahoma City OK 73118 Oklahoma Office Of The Attorney General 313 Ne 21St St Oklahoma City OK 73105 Oklahoma Office of the Attorney General Attn: Mike Hunter 313 NE 21st Street Oklahoma City OK 73105 Oklahoma Office of the Attorney General Consumer Protection Unit 313 NE 21st Street Oklahoma City OK 73105 Oklahoma State Treasurer Unclaimed Property Division 2300 North Lincoln Blvd Rm 217 Oklahoma City OK 73105-4895 Oklahoma Tax Commission 2501 North Lincoln Blvd. Oklahoma City OK 73194-0009 Oklahoma Tax Commission POst Office Box 26920 Oklahoma City OK 73126-0920 Oklahoma Tax Commission Attn: General Counsel's Office 100 N. Boradway Ave Suite 1500 Oklahoma City OK 73102 100 N. Broadway Ave. Suite Oklahoma Tax Commission General Counsel's Office Attn Sean R. McFarland 1500 Oklahoma City OK 73102 Oklahoma Tax Commission PO Box 26930 Oklahoma City OK 73126-0930 Oklahoma Tax Commission PO Box 26940 Oklahoma City OK 73126-0940 Okland Family Partnership LLP 40787 Partridge Trail Polson MT 59860 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 448 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 451 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Okreek Oil & Gas Ii LLC 475 17th St Ste 1350 Denver CO 80202 Okreek Oil And Gas LLC 475 17th St Ste 1350 Denver CO 80202 OKREEK OIL AND GAS LLC 475 17TH ST STE 1350 Denver CO 80202 OKREEK OIL AND GAS, LLC 475 - 17TH STREET SUITE 1350 Denver CO 80202

Oks Bergh Family LLC Deborah E Erickson - Manager 16406 Calle Ana Poway CA 92064 Oksol Trust Dtd 10-15-14 Kathleen K Oksol - Trustee 8102 East Bellevue St Tucson AZ 85715 Olaf Bolken Family Limited Partnership 9820 N.W. 12Th St Terrebonne OR 97760-8801 Olaf Drosdal Address Redacted Olaf O Grundeson Address Redacted Olaf Ona Address Redacted Olajoe West Behrens Address Redacted Olav Hagen Address Redacted Old Crow Investments LLC 13809 Lake Magdalene Blvd Tampa FL 33618 OLD CROW INVESTMENTS LLC 13809 LAKE MAGDALENE BLVD Tampa FL 33618 Old Enon Cemetery Association Jasper County Bank Trustee PO Box 508 Bay Springs MS 39422 Old Fashioned Revival Hour Aka Gospel Broadcasting Association PO Box 92765 Pasadena CA 91109 Old Fort Properties LLC PO Box 8478 Denver CO 80201-8478 Old Republic Professional Liability, Inc. 191 North Wacker Drive Suite 1000 Chicago IL 60606 OLE BORSETH FAMILY TRUST Address Redacted Ole Borseth Family Trust Mary Stenberg Trustee Address Redacted Ole Johnson Address Redacted Ole L Brujord Address Redacted Ole Rod Minerals Trust Glenn Aamodt - Trustee Address Redacted Oleen M Oconnor Address Redacted OLEN BEAN JR Address Redacted Olga Eichhorst C/O Linda Quern, Poa Address Redacted Olga Hovet Minerals Trust Sonja E Prestangen Trustee Address Redacted Olga Lander Address Redacted Olga Weisgerber Address Redacted Olie Royalties LLC PO Box 1360 Tyler TX 75710-1360 Olinda Elwood Address Redacted Oline Sveen Kane Address Redacted Olive G Twyman Address Redacted Olive Wherry Address Redacted Oliver Energy Tr Dtd 4-21-14 Address Redacted Oliver Rig Service Inc Welding & Farbrication P.O. Box 3030 Rock Springs WY 82902 Olivia L Duletski Address Redacted Olivia S Reyes Address Redacted Olivia Vela Agraz Address Redacted Olje LLLP 1705 South Shore Dr Luck WI 54853-4137 Ollie G Burnett Address Redacted Olsey, Frank Address Redacted Olson Family Trust Dtd 11-24-18 - Steven & Eugene Olson - Co-Trustees Address Redacted Olson Living Trust Dtd 9-6-06 Daniel C Olson & Patricia A Olson, Trustees Address Redacted Olson Mineral Trust Dtd 8/10/11 Deb & Andrew Alson Co- Trustees Address Redacted Olson Roustabout Inc 12250 Western St Sidney MT 59270 Olson, Jesse Address Redacted Olson, Joshua Address Redacted Olson, Shaun Address Redacted Olsson Inc PO Box 84608 Lincoln NE 68501-4608 Oltman, Kenneth Address Redacted Olympus America Inc Dept 3595 Po Box 123595 Dallas TX 75312-3595 Omaha Beach LLC C/O Thomas W Niebrugge 9981 E Progress Circle Greenwood Village CO 80111 Omb Royalties Ii LLC 410 17th Street Suite 1150 Denver CO 80202 Omdalen, Nathan Address Redacted Omega Well Monitoring LLC PO Box 109 Bellville TX 77418 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 449 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 452 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Omega Well Monitoring Ltd #105, 1437 - 47th Ave Ne Calgary AB T2E 6N7 Canada Omimex Petroleum Inc 7950 John T White Rd Ft Worth TX 76120 Omni Industrial Solutions LLC PO Box 731675 Dallas TX 75373-1675 One Call Concepts Inc 7223 Parkway Dr Suite 210 Hanover MD 21076 One Ten Corporation 3939 West Ridge Rd Suite B-20 Erie PA 16506 c/o Know Mclaughlin Gornmall and One Ten Corporation Sennett, P.C. Attn: Mark G. Claypool 120 West Tenth Street Erie PA 16501 One Walton Place LLC C/O Donald J Zadeck, Manager 401 Market Street Suite 480 Shreveport LA 71101 Oneal Coyne Consulting LLC PO Box 872659 Wasilla AK 99687 Oneill Minerals LLC Address Redacted OneNeck IT Solutions LLC PO Box 857950 Minneapolis MN 55485 ONENECK IT SOLUTIONS LLC 525 JUNCTION ROAD Madison WI 53717 OneNeck IT Solutions LLC Address Redacted OneNeck IT Solutions LLC Attn: Legal 5301 N. Pima Road, Suite 100 Scottsdale AZ 85250 Oneneck It Solutions LLC Ax Attn: Scanning Po Box 480 Monroe WI 53566 OneNeck IT Solutions LLC Bob Gleisner 8401 Greenway Blvd Suite 230 Middleton WI 53562 ONEOK 1000 W. 5TH ST., 17TH FLOOR Tulsa OK 74103-4298 ONEOK FIELD SERVICES COMPANY, L.L.C. ONEOK, INC. 100 W. 5TH STREET 8-5 ATTN: CREDIT DEPT. Tulsa OK 74103 Oneok Rockies Midstream LLC 1000 W. 5Th St., 17Th Floor Tulsa OK 74103-4298 ONEOK ROCKIES MIDSTREAM LLC 5718 WESTHEIMER SUITE 1900 Houston TX 77055 Oneok Rockies Midstream LLC PO Box 871 Tulsa OK 74102-0871 ONEOK ROCKIES MIDSTREAM, L.L.C. 370 VAN GORDON STREET Lakewood CO 80228 ONEOK Rockies Midstream, L.L.C. Attn: Stephen Snider 100 West Fifth Street Tulsa OK 74103 ONEOK Rockies Midstream, L.L.C. c/o GableGotwals Attn: Brandon C. Bickle 1100 ONEOK Plaza 100 West Fifth Street Tulsa OK 74103 ONEOK ROCKIES MIDSTREAM, L.L.C. ONEOK, INC. 100 W. 5TH STREET 8-5 ATTN: CREDIT DEPT. Tulsa OK 74103 ONEOK ROCKIES MIDSTREAM, LLC 5718 WESTHEIMER SUITE 1900 Houston TX 77055 ONEOK ROCKIES MIDSTREAM, LLC PREVIOUSLY BEAR PAW ENERGY, LLC 370 VAN GORDON STREET Lakewood CO 80228 ONEOK ROCKIES MIDSTREAM, LLC PREVIOUSLY BEAR PAW ENERGY, LLC 5718 WESTHEIMER SUITE 1900 Houston TX 77055 Onesource Virtual 5601 N Macarthur Blvd Ste 100 Irving TX 75038 Onesource Water LLC PO Box 677867 Dallas TX 75267-7867 Onez N Rooney Test Trust James M Morey Trustee PO Box 960031 Oklahoma City OK 73196-0031 Uintah And Ouray Reservation (Non Onnr For Ute Indian Tribe Of Royalty Payments) Po Box 25627 Denver CO 80225-0627 Onnr For Ute Indian Tribe Of Uintah And Ouray Reservation (Non Royalty Payments) PO Box 25627 Denver CO 80225-0627 Onrr - Bia Trust Lands Dept Of Interior PO Box 25627 Denver CO 80225-0627 Onrr - Bia Trust Lands Department Of Interior PO Box 25627 Denver CO 80225-0627 Onrr - Bia Trust Lands Dept Of Interior PO Box 25627 Denver CO 80225-0627 Onrr-Bia PO Box 25627 Denver CO 80225-0627 ONSOLVE PO BOX 730369 Ormond Beach FL 32173-0369 ONSOLVE LLC 780 WEST GRANADA BLVD Ormond Beach FL 32174 Onsolve LLC PO Box 730369 Ormond Beach FL 32173-0369 ONSOLVE, LLC PO BOX 730369 Ormond Beach FL 32173-0369 Opal Douglas Address Redacted Opal L Mccloughen Revocable Trust Elizabeth Vlassis Trustee Address Redacted Opal Scott Estate Address Redacted Opal W Lee Address Redacted Open Door Fellowship Church 1567 Marion St Denver CO 80218 Open Door Ministries Attn: Lindsay Hermayer 1567 N Marion St, Po Box 18018 Denver CO 80218 Open It Inc Two Park Ten Place 16300 Katy Freeway, Ste 275 Houston TX 77094 Open Range Access Inc PO Box 1274 Berthoud CO 80513-2274 483 Bay Street, South Operations Manager Carol Anderson Fidelity Clearing Canada Ulc/CDS** Tower Suite 200 Toronto ON M5g 2n7 Canada Operationsinc LLC 383 Main Ave Ste 4 Norwalk CT 06851-1544 Opolis Lakeshore Drawer #2270 Po Box 5935 Troy MI 48007-5935 Oppenheimer & Co. Inc. Attn: Corporate Actions 85 Broad Street New York NY 10004 Oppenheimer & Co. Inc. Attn: Fran Banson 85 Broad Street New York NY 10004 Oppenheimer & Co. Inc. Attn: Susan Stoia 85 Broad Street New York NY 10004 Oppenheimer & Co. Inc. Oscar Mazario 85 Broad Street New York NY 10004 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 450 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 453 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Oppevel LLC C/O Maren Stenseth 2355 Westwood Blvd Ste 336 Los Angeles CA 90064-2109 Opportune LLP 711 Louisiana St Suite 3100 Houston TX 77002 Opsal Energy Inc 1633 Main St Ste A385 Billings MT 59105-4037 OPSAL ENERGY INC 1633 MAIN ST STE A385 Billings MT 59105 OPTEAMIX 9200 E MINERAL AVE STE 330 Centennial CO 80112 Opteamix LLC 9200 E Mineral Ave Ste 330 Centennial CO 80112 Ora A L Enbom Rev Living Trst Dtd 2/18/15 Ora A L Enbom Tte Address Redacted Ora Mae Huravitch Life Estate Rita Steen, Poa Address Redacted Ora Mae Smith Address Redacted Oracle America Inc PO Box 203448 Dallas TX 75320-3448 ORACLE AMERICA, INC. 500 ORACLE PARKWAY Redwood Shores CA 94065 c/o Buchalter, a Professional Oracle America, Inc. Corporation Attn: Shawn M. Christianson 55 Second Street 17th Floor San Francisco CA 94105-3493 c/o Buchalter, a Professional Oracle America, Inc. Corporation Attn: Shawn M. Christianson, Esq. 55 2nd St., 17th Fl. San Francisco CA 94105 ORACLE USA INC 560 WHITE PLAINS RD STE 200 Tarrytown NY 10591 Oral Nelson Chatfield Estate Address Redacted Ordean & Delaine Rude Family Mineral LLP Address Redacted Ordean Erickson Address Redacted Ordean Hanson Address Redacted Ordell Helen Erdahl Address Redacted Ordis Charchenko Address Redacted Oregon Depart Of State Lands Unclaimed Property Section 775 Summer Street Ne Suite 100 Salem OR 97301-1279 Orell Schmitz Address Redacted Orest T Baranko Address Redacted Organic Oil And Gas LLC 850 Black Canyon Dr Estes Park CO 80517 Origin Royalty Legacy LP PO Box 2556 Bismarck ND 58502 Oringdulph, Robert Address Redacted Orion A Sundheim And Elma L Sundheim Life Tenants Address Redacted Orion L Skinner Address Redacted Orion Skinner Address Redacted Orion Sundheim Address Redacted Orlan Dreyer Address Redacted Orland Charles Flynn Montana Department Of Revenue Case Dv-15-3 PO Box 5805 Helena MT 59604-5805 Orlen Synek Address Redacted Orlin Backes Address Redacted Orlyn Terry Address Redacted Orren Vinger And Elaine Vinger Address Redacted Orrin L & Mary J Moen Irrev Mineral Trust - Orrin, Mary & Robert Moen - Trustees Address Redacted Orrion Energy LLC 5555 Dtc Parkway Ste 310 Greenwood Village CO 80111 ORRION ENERGY LLC 5555 DTC PARKWAY STE 310 Greenwood Village CO 80111

ORRION ENERGY, LLC (AS STATOIL OIL & GAS LP) 5555 DTC PARKWAY SUITE 310 Greenwood Village CO 80111 Orris Herland Address Redacted Orval Hoiby Address Redacted Orville A Moen Revocable Trust Orville A Moen - Trustee Address Redacted Orville E Sundheim Address Redacted Orville Eide L/E 2524 Powder Ridge Circle Bismarck ND 58503 ORVILLE ERICKSON Address Redacted Orville G & Florence L Hiepler Family Trust - Orville & Florence Hiepler - Trustees Address Redacted Orville Hellandsaas Address Redacted Orville Helling Address Redacted Orville J Robins Address Redacted Orville M Erickson Address Redacted Orville M Erickson Jr Address Redacted Orville M Hellandsaas Estate Address Redacted Orville M Hellandsaas Life Estate Address Redacted ORVILLE M. ERICKSON Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 451 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 454 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Orville S And Ardyce E Bragg Address Redacted Orville Van Alstine Address Redacted Orville W Hagen As Trustee Of Orville W Hagen Revocable Trust Udt 3/15/02 Address Redacted Orville Walraven Address Redacted Orvin & Judy Finsaas Jt Life Estate Address Redacted Orvin Njos Address Redacted Orvis W & Bonnie C Eklund Ttee Eklund Family Mineral Trust Dtd 07/22/14 Address Redacted Orvis W Eklund & Bonnie C Eklund Jts Address Redacted Ory, John Address Redacted Osborn, Mark Address Redacted Osbornes Production Serv Inc 5426 E M-55 Hale MI 48739 Oscar E Erickson Address Redacted Oscar Eliason And Carole Eliason Address Redacted Oscar H & Fay C Halvorson Fam Rev Residuary Trust Deborah G Halvorson Trustee Address Redacted Oscar Hust Address Redacted Oscar J Rodseth Address Redacted Oscar Mattison Unlocated Min Owner Trust Williams County Treasurer, Trustee Address Redacted Oscar Olson Address Redacted Oscar R Moore Amy Meserole Poa Address Redacted Oscar Thompson Address Redacted Osmond Oil & Gas LLC 1520 West Canal Cuort Ste 220 Littleton CO 80120 Osmund Gunvaldsen Family LLP Address Redacted Osmund Gunvaldsen Family LLP Dtd October 26, 1972 Laura Carley, Succ Ttee & Managing Partner Address Redacted Oso Capital Ii LP PO Box 882 Midland TX 79701 OSO CAPITAL II LP PO BOX 882 Midland TX 79701 Osprey Resources Inc David Welsh P O Box 56449 Houston TX 77256-6449 Oswald Family Trust Dated 04/27/1998 Louis A Oswald Iii Trustee Address Redacted O-Tex Pumping LLC 3990 Rogerdale Rd Houston TX 77042-5142 OTI Electrical Services P.O. Pox 847 Andrews OTI Electrical Services Alan Rogers PO Box 847 Andrews TX 79714 Oti Electrical Services LLC PO Box 847 Andrews TX 79714-0847 Otis & Imogene Dothager Trust Denise M Springer & Teresa A Dothager - Co-Trustees Address Redacted Otis E & Imogene Dothager Tenants By The Entirety Address Redacted Otis Instruments Inc 301 S Texas Ave Bryan TX 77803 Otis Kellam Address Redacted Otis One LLC 1037 Champion Hills Dr Kingston Springs TN 37082 OTIS ONE LLC 1037 CHAMPION HILLS DR Kingston Springs TN 37082 Otis W Marston Address Redacted Ott, Jason Address Redacted Otter Creek LLC PO Box 1557 Sealy TX 77474 Otter Holdings LLP PO Box 1473 Bismarck ND 58502-1473 Otteson, Joshua Address Redacted Ottilia Fischer Family Minl Tr Irene Bosch, Stanley Fischer & Jeanette Jablonsky Succ Ttees Address Redacted Otto & Joanne Havelka Trust U/T/A Dtd June 23 2000 Otto & Joanne K Havelka Ttee Address Redacted Otto A Ridl Address Redacted Otto Isaak Address Redacted Otto Sovig Address Redacted Ouachita County Tax Collector PO Box 217 Camden AR 71701-3912 Ouida Nail Estate C/O Deborah K Demars Address Redacted Oukrop Family Trust Daniel H Oukrop, Trustee Address Redacted Our Lady Of Consolation Church Of Alexander, Nd Diocese Of Bismarck Attn Sarah S Po Box 1137 Bismarck ND 58502-1137 Our Lady Of Good Success PO Box 1873 Dickinson ND 58602 Our Redeemer'S Lutheran Church 1024 6th St W Williston ND 58801 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 452 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 455 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Our Saviours Lutheran Church 370 Junipero Ave Long Beach CA 90814 Outback Rentals & Landscape Supplies Inc 1442 East Hwy 40 Vernal UT 84078 Outdoor Entourage Inc 912 Alberta Ave Bismarck ND 58503 OUTDOOR ENTOURAGE INC 912 ALBERTA AVE Bismarck ND 58503 Outlaw Well Service Inc PO Box 11456 Williston ND 58803-0053 Outlaws Bar & Grill 120 N Main Street Watford City ND 58854 Outpaws Animal Rescue 8190 S San Juan Range Rd Littleton CO 80127-4013 Outside Interests Address Redacted O-V Holdings LLC Attn Mary Jane Mcgarity Mgr PO Box 1853 Bozeman MT 59771 Ove Family Trust Of 2014 Udt 2/5/14 Stanley & Elizabeth Ove Trustees Address Redacted Overland Energy Inc 4225 San Joaquin Plaza Newport Beach CA 92660-5977 Overland Energy Partners Fund I LLC 700 17th St Ste 900 Denver CO 80202 Overland Energy Partners Iii 700 17th St #900 Denver CO 80202 Overland Minerals & Royalties LLC 700 17th St Ste 900 Denver CO 80202 Overland Oil & Gas Advisory LLC 700 17th Street #900 Denver CO 80202 Overland Oil & Gas LLC 700 17th St Ste 900 Denver CO 80202 Overland Oil & Gas Partners LLC 518 17Th St, #1005 Denver CO 80202 Overstreet Family Trust 40617 M & J Overstreet - Trustees Address Redacted Overton 1990 Childrens Trst Robin Overton Senglemann Trste Address Redacted Ovintinv Usa Inc Mail Code 5035 PO Box 660367 Dallas TX 75266-0367 OVINTINV USA INC MAIL CODE 5035 PO BOX 660367 Dallas TX 75266-0367 Ovintiv Exploration Inv PO Box 660367 Dallas TX 75266-0367 OVINTIV EXPLORATION INV PO BOX 660367 Dallas TX 75266-0367 Ovintiv Production Inc. f/k/a Newfield Production 1722 Routh Street, Suite Company c/o Thompson & Knight LLP Attn: Steven J. Levitt One Arts Plaza 1500 Dallas TX 75201 Ovintiv Production Inc. f/k/a Newfield Production Attn: Tye C. Hancock & Anythony F. Company c/o Thompson & Knight LLP Pirraglia 811 Main Street Suite 2500 Houston TX 77002 Ovintiv RMI LLC Attn: Mike Liedtke 1675 Broadway Suite 1600 Denver CO 80202 Ovintiv RMI LLC c/o Thompson & Knight LLP Attn: Tye C. Hancock 811 Main St., Suite 2500 Houston TX 77002 Owen K Olson Address Redacted Owen N Anderson & Edith E Anderson Jts Life Estate Address Redacted Owen R Niece Address Redacted Owen Richard Johnson Address Redacted Owen T Smith Address Redacted Owen Talkington Address Redacted Owens Family LLC Thomas R Owens Manager Address Redacted Owl Inc 1705 Road 2054 Culbertson MT 59218 OXBOW ENERGY INC. ATTN: P.S. FRITZLER 7901 SOUTH PARK PLAZA SUITE 2020 Littleton CO 80120 Oxoco Exploration Corp Denver CO 80202 OXY PO BOX 841803 Houston TX 75284-1803 Oxy Usa Inc PO Box 841803 Dallas TX 75284-1803 Oxy Usa Wtp Limited Partnershi PO Box 841803 Dallas TX 75284 Oxy Y-1 Attn: Joint Interest Billing Po Box 27570 Houston TX 77227-7570 OYHUS LAND COMPANY 13973 FRANKS CREEK ROAD Medora ND 58645 OZARK EXPLORATION 3838 OAK LAWN AVE STE 1525 Dallas TX 75219 Ozark Exploration Inc 3838 Oak Lawn Ave Suite 1525 Dallas TX 75219 OZARK MINERALS LP 3838 OAK LAWN AVE SUITE 1525 Dallas TX 75219 P & S Fettig Enterprises LLC 4945 Newstead Pl Colorado Springs CO 80906-5978 P & S FETTIG ENTERPRISES LLC 4945 NEWSTEAD PL Colorado Springs CO 80906-5978 P A Signs Inc 1136 E Stuart St Ste 4203 Fort Collins CO 80525

P B Redmond Mineral Trust Perry P Redmond Trustee 13126 15th St Sw Fairfield ND 58627 P E Grosch Construction Inc PO Box 36 Worland WY 82401 P G Hoeper Md Williston ND P Kelly Roth & Pamela S Roth Address Redacted P L SWAN ESTATE Address Redacted P R Pitz Services 6422 County Road 659 Brazoria TX 77422 P&M Petroleum Management 2214 Second Avenue E Williston ND 58801 P&P Minerals LP PO Box 473 Midland TX 79702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 453 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 456 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country P.A. WEISS Address Redacted P.R. Pitz Address Redacted P1 Oil & Gas LLC W.C. Partee Jr Po Box 667 Magnolia AR 71754-0667 P2 ENERGY SOLUTIONS 1670 BROADWAY SUITE 2800 Denver CO 80202 P2Es Holdings LLC PO Box 912692 Denver CO 80291-2692 P2ES HOLDINGS, INC. 1670 BROADWAY STE 2800 Denver CO 80202 P2ES Holdings, LLC P2 Energy Solutions, and P2ES Holdings, Inc. c/o Norton Rose Fulbright US LLP Attn: Steve A. Peirce 111 West Houston Street Suite 1800 San Antonio TX 78205 Pa & Lr Nygaard LLLP 504 Wellington Court West Fargo ND 58078 Pa Weiss Inc 700 N Colorado Blvd Pmb 692 Denver CO 80206 Pace Analytical Energy Services Llc 26901 Network Place Chicago IL 60673-1269 Pace Analytical Services Inc PO Box 684056 Chicago IL 60695-4056 Pace Setters LLC 901 Road 19 Powell WY 82435 Pace, Michael Address Redacted Pacific Land Holdings LLC PO Box 450 Red Lodge MT 59068 Pacific One Fourteen LLC PO Box 1360 Tyler TX 75710-1360 Pacific Sound & Video Dickinson Store 244 W 14th St Dickinson ND 58601 Pack Mule Enterprises LLC PO Box 2330 Gilbert AZ 85299 Packard Energy Group Inc PO Box 10866 Midland TX 79702 Packard Production LLC PO Box 54688 Oklahoma City OK 73154 PACKARD PRODUCTION LLC PO BOX 54688 Oklahoma City OK 73154 Packers Plus Energy Services Usa Inc 11415 Spell Rd Tomball TX 77375 Paco Family Mineral Trust Paul L Arnson, Trustee Address Redacted 200 CLOCKTOWER PLACE, SUITE PACSEIS, INC. D208 Carmel CA 93923 Paddington Station Preschool 1301 Quebec Street Denver CO 80220 Padilla, Jarred Address Redacted Paetec PO Box 9001013 Louisville KY 40290-1013 Page M Zieske Address Redacted Page Petroleum LLC 220 East Rosser Ave #791 Bismarck ND 58502 PAGE PETROLEUM LLC 220 EAST ROSSER AVE #791 Bismarck ND 58502 Page, Ryan Address Redacted Paige Stotts Address Redacted Pal Minerals LLC Lynn T Keller Mgr Address Redacted Pal Properties Inc Robert R Fruh President PO Box 188 Dickinson ND 58602-0188 PALACE C/O BISTATE OIL MGMT CORP 10 E 40TH ST SUITE 2710 New York NY 10016 Palace Exploration Company C/O Bistate Oil Mgmt Corp 10 E 40th St Suite 2710 New York NY 10016 Paladijczuk Revoc Living Trust Melissa M Paladijczuk, Trustee Address Redacted Paladin Inc PO Box 5062 Scottsdale AZ 85261-5062 PALADIN INC PO BOX 5062 Scottsdale AZ 85261-5062 Palaura Exploration Company 12740 Hillcrest Rd Ste 220 Dallas TX 75230 Pale Horse Services Inc 10948 27th St SW Ste B Dickinson ND 58601-8325 Pall Corporation PO Box 8500-1311 Philadelphia PA 19178-1311 Palmer Flowers LLC PO Box 270044 Ft Collins CO 80527 Palmer G Wick Address Redacted Palmer Mfg & Tank Inc PO Box 1195 Garden City KS 67846 Palmer Norby Address Redacted Palmer Township, Divide Cty, Nd 8875 119th Ave Nw Wildrose ND 58795 PALO ALTO NETWORKS 3000 TANNERY WAY Santa Clara CA 95054 Pam A Novak & Corinne Lindgren Address Redacted Pam Hall Address Redacted Pam Jennen Address Redacted Pam Kirch Address Redacted Pam Rudio Novak Address Redacted Pam Smith Address Redacted Pamco Investments Corp 3900 S Wadsworth Blvd Suite 495 Lakewood CO 80235-2204 Pamela & Lloyd Uran Mineral Trust Dtd 11-19-13 Grady Uran - Trustee Address Redacted Pamela & Lloyd Uran Mineral Trust Dtd 11-19-13 Pamela Uran & Grady Uran - Trs Address Redacted Pamela A Ashley Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 454 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 457 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pamela A Bellinger Address Redacted Pamela A Harada Address Redacted Pamela A Hooper Address Redacted Pamela A Hove Address Redacted Pamela A Kjono Address Redacted Pamela A Skarphol Address Redacted Pamela A Svor Address Redacted Pamela Ann Ashley Life Estate Address Redacted Pamela Ann Dietrich Address Redacted Pamela Ann Novak Address Redacted Pamela Ann Zmud Address Redacted Pamela C Johnson-Haugan Address Redacted Pamela Collette Olson Address Redacted Pamela Cortese Address Redacted Pamela D Katz Address Redacted Pamela D Ludwig Address Redacted Pamela D Schoenen Address Redacted Pamela Deats Ferris Address Redacted Pamela Denise Carlson Address Redacted Pamela Earney Address Redacted Pamela Elaine Nagy Address Redacted Pamela F Nesseth-Moody Address Redacted Pamela Frasch Address Redacted Pamela G Fladeland Address Redacted Pamela Hoggard Address Redacted Pamela J Anderson Address Redacted Pamela J Blue Address Redacted Pamela J Burman Address Redacted Pamela J Day Address Redacted Pamela J Durham Address Redacted Pamela J Fagerland Life Estate Address Redacted Pamela J Hegge Address Redacted Pamela J Kostelecky Address Redacted Pamela J Kytola Address Redacted Pamela J Petro Address Redacted Pamela J Wolf Address Redacted Pamela Jane Crawford Address Redacted Pamela Jane Crawford Life Estate Address Redacted Pamela Jean Johnson Address Redacted Pamela Jo Miller Address Redacted Pamela Joy Wentz Address Redacted Pamela K & Paul S Kuhns H/W Address Redacted Pamela K Dille Address Redacted Pamela K Hanson Holtry Address Redacted Pamela K Kuhns Address Redacted Pamela K Tighe Address Redacted Pamela Kay Tschaekofske Address Redacted Pamela Kilen Address Redacted Pamela Krouse Address Redacted Pamela L Ryan Address Redacted Pamela Lee Myers-Sloane Address Redacted Pamela Lynn Mcgrath Address Redacted Pamela Marie Thomas Address Redacted Pamela R Weber Address Redacted Pamela Rae Belair Address Redacted Pamela Renee Rieder Address Redacted Pamela Rogers Address Redacted Pamela S Andrews Living Trust Danny L Andrews - Trustee Address Redacted Pamela S Buffington Address Redacted

Pamela S Kalstrom Trust Pamela S Kalstrom & Todd R Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 455 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 458 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pamela S Kalstrom Trust Pamela S Kalstrom & Todd R Kalstrom Co-Trustees Address Redacted Pamela S Matteson & Curtis L Matteson Address Redacted Pamela S Penquite Mcfarland Address Redacted Pamela S Schmidt Address Redacted Pamela Sue Boyle Address Redacted Pamela Sue Fitzgerald Address Redacted Pamela Sue Sturlin Address Redacted Pamela Wyman Address Redacted Paneitz, John Address Redacted Pangaea Exploration Inc 7039 S Magnolia Circle Centennial CO 80112-1118 Panhandle Cooperative Association Po Box 2188 Scottsbluff NE 69363-2188 Panhandle Minerals LLC 7107 S Yale Avenue #453 Tulsa OK 74136 Panhandle Oil And Gas Inc Dept #96-0299 Oklahoma City OK 73196-0299 Panhandle Oil And Gas Inc Dept 96-0299 Oklahoma City OK 73196-0299 Pansam Trust Address Redacted Pansy L Juel Address Redacted PANTERRA PETROLEUM PO BOX 7168 Billings MT 59103-7168 Panther Inspection 14055 Country Lane Williston ND 58801 Panther Pressure Testers Inc PO Box 1109 Watford City ND 58854 Panther Pumping Services LLC PO Box 1109 Watford City ND 58854 Parabar LLP 156 Kenwood Cir Ne Bemidji MN 56601 PARADIGM MIDSTREAM LLC-8627 Address Redacted PARADOX BASIN DATA Address Redacted Paragon Oil And Gas Inc Box 144 Williston ND 58801 Paralee L Obele Address Redacted Pards Partnership David L Peterson, Poa Address Redacted Paris Land Company LLC PO Box 597 Bismarck ND 58502 Park Board Of Ray Nd A Municipal Corp PO Box 644 Ray ND 58849 Park Church On The City 3025 W 37th Ave Denver CO 80211 Park County Treasurer Barb Poley 1002 Sheridan Avenue Cody WY 82414 Park County, WY Treasurer 1002 Sheridan Ave # 9 Cody WY 82414 PARK PLACE TECHNOLOGIES 5910 LANDERBROOK DRIVE SUITE 300 Mayfield Heights OH 44124 Park Place Technologies LLC P O Box 78000 Dept 781156 Detroit MI 48278-1156 Park River Bible Camp Andy Bertson, President Address Redacted Parker L Harrison Address Redacted Parker, Jacob Address Redacted Parkerson Family Trust John E Parkerson Trustee Address Redacted Parks Desert Rose LLC Attn Roy Bowling 11700 S Fm 1788 Midland TX 79706 Parkwell LLC PO Box 2800 Denver CO 80202 Parrott, Kenneth Address Redacted Parshall Promoters PO Box 384 Parshall ND 58770-0384 Partners With Ethiopia Attn: Ingrid Po Box 27637 Golden Valley MN 55427 Paschke Trust 7-22-14 Fbo Charitie Per Article V Theodore D Paschke Trustee Address Redacted Paschke Trust 7-22-14 Fbo Jewel F Paschke Jay M. Paschke - Trustee Address Redacted Paschke Trust 7-22-14 Fbo Jon W Paschke Jay M. Paschke - Trustee Address Redacted Paschke Trust Dtd 7-22-14 Fbo Melissa Paschke-Wood Jay M Paschke - Trustee Address Redacted Pason Systems Usa Corp 7701 West Little York Ste 800 Houston TX 77040 Paso-Tulsa Education Committee Address Redacted Pasquion Minerals Co 7015 S Cook Way Centennial CO 80122 Passler, Sean Address Redacted Pat And Randi Family LLC Patrick A Worsham Manager & Randi Worsham Manager Address Redacted Pat Corrigan Trust Pat Corrigan Trustee Address Redacted Pat Hlibichuk Address Redacted Pat K Gilbert Address Redacted Pat Kline Address Redacted Pat Sudderth Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 456 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 459 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pat W Metzger Address Redacted Patcele LLC 115 E Haller Ave Arlington WA 98223 Patcele LLC Marla K. Patterson 115 E. Haller Ave. Arlington WA 98223-1026 Patcele, LLC Address Redacted Patches LLC 4807 Rockside Rd # 460 Cleveland OH 44131 Pate, Jonathan Address Redacted Path North Dakota Inc 1202 Westrac Dr S Ste 400 Fargo ND 58103 Pathfinder Exploration LLC 402 Gammon Place Ste 200 Madison WI 53719 Pathfinder Inspections & Field Services P O Box 3889 Gillette WY 82717 Patience M M Campbell And Reva B Laughlin Co- Trustees Of Patience Campbell Land&Min Trt Address Redacted Patience M Mcnulty Campbell Tr C/O Bokf Na Agt Dale A Mcnulty & Heather M W Pratte Co-Ttee Address Redacted Patience M Mcnulty Campbell Tr Reva B Laughlin Co- Ttee And Patience M Campbell Co-Ttee Address Redacted Patience Mullendore Mcnulty Land & Mineral Trust Bok Financial Address Redacted Patrecia A Hansen Address Redacted Patrice Angiuli Address Redacted Patrice G Maristuen Address Redacted Patrice Oneal Shadid Address Redacted Patricia A Berg Address Redacted Patricia A Branson Rev Trust Dtd November 1, 2014 Address Redacted Patricia A Cochran Address Redacted Patricia A Cox Address Redacted Patricia A Hart Address Redacted Patricia A Hewitt Address Redacted

Patricia A Howe Succ Ttee Richard & Patricia Howe Trust Address Redacted Patricia A Karsky Life Tenant Address Redacted Patricia A Lindvig Steven Lindvig - Poa Address Redacted Patricia A Mayo Address Redacted Patricia A Quinn Address Redacted Patricia A Ray Address Redacted Patricia A Rilla Address Redacted Patricia A Tanner Address Redacted Patricia Alderman Address Redacted Patricia Amundson Address Redacted Patricia And Robert E Grossman Address Redacted Patricia Ann Badger Address Redacted Patricia Ann Carter Address Redacted

Patricia Ann Guerrero Trust Patricia Ann Guerrero Trtee Address Redacted Patricia Ann Hilton Address Redacted Patricia Ann Loeber Address Redacted Patricia Ann Marx Address Redacted Patricia Ann Oberbillig Bogan Address Redacted Patricia Ann Overn Address Redacted Patricia Ann Roberts Address Redacted Patricia Ann Stierlen Address Redacted Patricia Ann Tidwell Address Redacted Patricia Ann Walker Address Redacted Patricia Ann Weiner Address Redacted Patricia Anne Kennedy Address Redacted Patricia Anne Tornabeni Address Redacted Patricia Ballard Address Redacted Patricia Barger Address Redacted Patricia Brady Address Redacted Patricia Brown Address Redacted Patricia Browne Address Redacted Patricia Bryan Horn Address Redacted Patricia Burns Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 457 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 460 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Patricia C Burr Address Redacted Patricia C Hansen Address Redacted Patricia Catherine Hitt Address Redacted Patricia D Ashby Address Redacted Patricia D Ashby Life Estate Address Redacted Patricia D Detchon Address Redacted Patricia D Walker Aka Patricia D Kilian Address Redacted Patricia Dahl Tweedy Address Redacted Patricia Dale Address Redacted Patricia Deeds Mcdonald Address Redacted Patricia E Davenport Address Redacted Patricia E Rogers Address Redacted Patricia Eckerd Address Redacted Patricia Ellen Hedstrom Address Redacted Patricia Ervin Thompson Address Redacted Patricia Evelyn Royal Address Redacted Patricia F Talley Life Tenant Address Redacted Patricia Filipi Address Redacted Patricia Gail Urban Address Redacted Patricia Gordon Poa Ronald Gordon Address Redacted Patricia Grossman Address Redacted Patricia H Breckenridge Address Redacted Patricia H O'Brien Address Redacted Patricia Haesly Address Redacted Patricia Haesly Worthington Address Redacted Patricia Hawn Wallace Address Redacted Patricia Heinsen Address Redacted Patricia Holland Address Redacted Patricia Hurst Address Redacted Patricia Hyde Address Redacted Patricia I Willis Address Redacted Patricia Irene Farmer Address Redacted Patricia J Barrackman Address Redacted Patricia J Barrackman & Michael Barrackman Address Redacted Patricia J Boyer Address Redacted Patricia J Compton Address Redacted Patricia J Ehrman Address Redacted Patricia J Flood Address Redacted Patricia J Gallagher Address Redacted Patricia J Gollahon Address Redacted Patricia J Hirning Address Redacted Patricia J Idler Address Redacted Patricia J Nichols Address Redacted Patricia J Plaster Address Redacted Patricia J Stephens Address Redacted Patricia J. Martin Address Redacted Patricia James Andersen Address Redacted Patricia Jean Decker Revoc Lvg Trust Udt December 13, 2007 Patricia Jean Decker, Trustee Address Redacted Patricia K Ballard Address Redacted Patricia K Hovde Address Redacted Patricia K Lewandowski & Kendrick Lewandowski J/T Address Redacted Patricia Kaald Address Redacted Patricia Kay Dickens Address Redacted Patricia L Brumet Address Redacted Patricia L Church Address Redacted Patricia L Logan William P Logan Poa Address Redacted Patricia L Moore Address Redacted Patricia L Panacek Address Redacted Patricia L Ruiz Address Redacted Patricia L Wanaka Address Redacted Patricia L Wilson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 458 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 461 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Patricia Land Co Ltd Address Redacted Patricia Lee Johannson Address Redacted Patricia Legerski Address Redacted Patricia Leigh Stevenson Address Redacted Patricia Levin Address Redacted Patricia Lou Herd Tice Dool Address Redacted Patricia Lucas Paddock Address Redacted Patricia Ludes Address Redacted Patricia Lynn Krisak Address Redacted Patricia M Digrappa Address Redacted Patricia M Eckes Address Redacted Patricia M Jaeger Address Redacted Patricia M Kurth Address Redacted Patricia M Letourneux Address Redacted Patricia M Reed Address Redacted Patricia M Skarphol Address Redacted Patricia M Taylor Address Redacted Patricia M Witt And Kenneth Ganzeveld Jtwros Address Redacted Patricia Mahler Address Redacted Patricia Mathews Estate C/O Jolene Rister Mccaw Address Redacted Patricia Mcauliffe Address Redacted Patricia Michelle Bolgen Address Redacted Patricia Mladenka Address Redacted Patricia N Christesen Address Redacted Patricia O Pruett Address Redacted Patricia O Pruett Address Redacted Patricia O Stephens Address Redacted Patricia O. Pruett Address Redacted Patricia O'Connor Address Redacted Patricia Osland Address Redacted Patricia Paquette Address Redacted Patricia Paul Address Redacted Patricia Penquite Hebert Address Redacted Patricia Qualia Sides Address Redacted Patricia Rau Address Redacted Patricia Reeder Eubank Address Redacted Patricia Rice Lackner Address Redacted Patricia Roberts Young Address Redacted Patricia Robertson Address Redacted Patricia Rud Anderson Estate Address Redacted Patricia Ryan Crawford Address Redacted Patricia Sanford Address Redacted Patricia Schweyer Address Redacted Patricia Secrest Address Redacted Patricia Seiler Address Redacted

Patricia Sheldahl French Trust Patricia S French Trustee Address Redacted Patricia Sibert Address Redacted Patricia Sibert And Roy Sibert Joint Tenants Address Redacted Patricia Sondrol Address Redacted Patricia Sotelo Address Redacted Patricia Taylor Address Redacted Patricia Walters Address Redacted Patricia Wilson Address Redacted Patrick & Annette Schulke Jt Address Redacted Patrick & Sheilah Ross Family Living Trust Dtd 3-31-18 Sheilah Ross - Trustee Address Redacted Patrick & Shirley Kessel Family Trust Patrick W Kessel & Shirley Kessel, Trustees Address Redacted Patrick A Belgarde Address Redacted Patrick A Conmy Address Redacted Patrick A Erickson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 459 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 462 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Patrick A Lippmann Rev Trust Patrick A Lippmann Ttee Address Redacted Patrick A Teel Address Redacted Patrick Adam Hugi And Tammy Merie Hugi Address Redacted Patrick Aftem C/O Gerald Aftem Address Redacted Patrick Butler Address Redacted Patrick C Humphreys Jr Address Redacted Patrick C Ross Family Trust Dtd 12/10/84 Patrick C Ross Trustee Address Redacted Patrick Callahan Address Redacted Patrick Charles Ward Address Redacted Patrick D Crotty Address Redacted Patrick D Mikel Address Redacted Patrick E Carrier Address Redacted Patrick E Cherrey Address Redacted Patrick E Lang Address Redacted Patrick E Lothspeich & Denette L Lothspeich Address Redacted Patrick Edward Corrigan Family Partnership LLLP PO Box 643726 Vero Beach FL 32964-3726 Patrick Engel Address Redacted Patrick Fadden Residuary Trust Julie Fadden Langemo Trustee Address Redacted Patrick Falter Address Redacted Patrick Foley Address Redacted Patrick Folkedahl Address Redacted Patrick G Sweeney Address Redacted Patrick Gleason Address Redacted Patrick Gustafson Address Redacted Patrick Hauf & Amy G Hauf JT Ten Address Redacted Patrick Hecker Douglas J Hecker Poa Michael J Hecker Poa Address Redacted Patrick Henke Address Redacted Patrick J Beehler Address Redacted Patrick J Campbell Address Redacted Patrick J Ewoniuk Address Redacted Patrick J Flynn Address Redacted Patrick J Hemmy Address Redacted Patrick J Jones Address Redacted Patrick J Kennedy C/O William B Watson Agent Inc Address Redacted Patrick J Mcbride Address Redacted Patrick J Mullady Address Redacted Patrick J Mullady Sr Estate Patrick J Mullady Jr - Pr Address Redacted Patrick J Osterberg Address Redacted Patrick J Robinson Address Redacted Patrick J Scissons Address Redacted Patrick J Sweeney Address Redacted Patrick J Whelan Address Redacted Patrick J Whitney Address Redacted Patrick J Woods Address Redacted Patrick J. Unrein, Trustee Address Redacted Patrick K Barry Address Redacted Patrick Kelly Address Redacted Patrick Keogh Address Redacted Patrick Kernan Address Redacted Patrick L Belcastro Address Redacted Patrick L Elliott Address Redacted Patrick L Schwartzenberger & Lavonne Schwartzenberg, Life Estate Address Redacted Patrick L Williams Address Redacted Patrick M Coughlin Address Redacted Patrick M Keller Address Redacted Patrick Mccrummen Address Redacted Patrick Mcnamara Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 460 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 463 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Patrick Mendenhall Address Redacted Patrick Obrigewitch & Elizabeth Obrigewitch, Jnt Tnt Address Redacted Patrick Obrigewitch & Elizabeth Obrigewitch, Jnt Tnt & Life Tenants Address Redacted Patrick O'Reilly Address Redacted Patrick R Wheeler & Becky A Wheeler Trustees Of Stickville Revocable Trust Dated 4/27/12 Address Redacted Patrick Raymond Fetrow Address Redacted Patrick Romano Address Redacted Patrick S Myers Address Redacted Patrick Shane Athey Address Redacted Patrick Six Address Redacted Patrick Staloch Address Redacted Patrick Steven Reed Address Redacted

Patrick Unrein Revocable Trust Patrick J Unrein Trustee Address Redacted

Patrick Unrein Revocable Trust, Patrick J. Unrein, Trustee Address Redacted Patrick V Evoniuk Address Redacted Patrick W And Shirley Kessel Address Redacted Patrick W Steiner Address Redacted Patrick Wheeler Address Redacted Patriot Cleaning Services PO Box 2749 Watford City ND 58854 Patriot Coil Services Usa Corp Box 254 204 N Main Watford City ND 58854 Patriot Reserves LLC PO Box 3193 Englewood CO 80155-3193 Patriot Well Solutions LLC PO Box 733846 Dallas TX 75373-3846 Pats Offroad Inc 1925 Grand Ave Ste 129 Billings MT 59102-2776 Patsy & Douglas Bergan Life Estate Address Redacted

Patsy Ann Pemberton & Victoria P Neafus Joint Tenants Address Redacted Patsy B Small Address Redacted Patsy Bergan Address Redacted Patsy Bergan Life Estate Address Redacted Patsy D Renz Address Redacted Patsy Darlene Lunde Address Redacted Patsy E Dean And Stanley A Dean Wh Address Redacted Patsy L Larson Address Redacted Patsy L Natvig Address Redacted Patsy L Natvig Living Trust Patsy L Natvig - Trustee Address Redacted Patsy Lea Firenza Address Redacted Patsy Lee Johnston Address Redacted Patsy Lr Partnership Ltd Address Redacted Patsy R Walker Address Redacted Patsy Ray Hoffman Life Estate Address Redacted Patsy Swan Ogilvy Address Redacted Patsy Sylvia Davis Address Redacted Patten Family Holdings LLLP Address Redacted

Patterson Family Trust Dennis & Karen Patterson Ttees Address Redacted Patterson Legacy Trust Dtd 6-1-15 - Thomas P & Carol U Patterson - Trustees Address Redacted Patterson Nd Holdings LLC 2772 Windmill View Rd El Cajon CA 92020 Patterson Services Inc PO Box 203379 Dallas TX 75320-3379 10713 West Sam Houston Parkway Patterson UTI Drilling Co LP Attn: William A. Hendricks, Jr. North Suite 800 Houston TX 77064 Patterson Uti Drilling Co Lp Lllp Po Box 260111 Dallas TX 75326-0111 PATTERSON UTI DRILLING CO LP PO BOX 260111 Dallas TX 75326-0111 PATTERSON UTI DRILLING COMPANY LLC ATTN: BRYAN COLLEY 1125 17TH STREET SUITE 800 Denver CO 80202 Patterson, Daniel Address Redacted PATTERSON-UTI DRILLING COMPANY LLC LLLP PO BOX 260111 Dallas TX 75326-0111 10713 W. Sam Houston Pkwy., Patterson-UTI Drilling Company, LLC North Houston TX 77064 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 461 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 464 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Patterson-UTI Drilling Company, LLC c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Patti Ann M Hanson Address Redacted Patti Ann Stafford Peggy L Shoulders, Poa Address Redacted Patti K Hegland Address Redacted Patti L Juuti Address Redacted Patti Lynn Burns Address Redacted Patti Mrachek Address Redacted Patti Paul Address Redacted Patti R Giger Address Redacted Pattie Kiemele Address Redacted Patty Busby Address Redacted Patty Cerf Oneil, Personal Rep Estate Of Margaret Cerf, Dec Address Redacted Patty Fitterer Address Redacted Patty Jo Frady Estate Address Redacted Patty Lee Burns Address Redacted Patty Weyrauch Address Redacted Patty Wilson Address Redacted Patty Wilson & Kevin Wilson Address Redacted Paul & Lori Reis J/T Address Redacted Paul & Mary Gail Woutat Jt Address Redacted Paul & Peggy Brown Family Trust - Paul A & Peggy Jo Brown - Trustees Address Redacted Paul & Vivian L Linseth Life Estate Address Redacted Paul A Almburg Address Redacted Paul A Hatton Address Redacted Paul A Keslar Address Redacted Paul A Ness Address Redacted PAUL A NYSTUEN Address Redacted Paul A Van Dyke Address Redacted Paul Addison Swanson Address Redacted Paul Alan Couperus Address Redacted Paul And Betty Phillips Trust Paul G Phillips Etal Co- Ttees Address Redacted Paul Andre Address Redacted Paul Arndt Address Redacted Paul B Kamp Address Redacted Paul B Melnychenko Address Redacted Paul B Rankin Iii Address Redacted Paul B Rankin Iii Trustees Of The Pbr Irrevocable Trust Jean Neils Strunjas Address Redacted Paul B Rankin Jr Address Redacted Paul B Ross Child'S Trust Fbo Wayne R Ross Address Redacted Paul Bauer Address Redacted Paul Baum Iii C/O Fran Higgs Address Redacted Paul Behm Address Redacted Paul Bellomo Address Redacted Paul Bennett Address Redacted Paul Borg And Sally Borg H/W Address Redacted Paul C Bundy Interests LLC 4900 Woodway Suite 1150 Houston TX 77056 Paul C Person Address Redacted Paul C South Address Redacted Paul Cartier Address Redacted Paul Clay Address Redacted Paul D Breslin Address Redacted Paul D Edmonds Address Redacted Paul D Hess Address Redacted Paul D Mcdanold Juanita Mcdanold (Jt) Address Redacted Paul D Neuenschwander Address Redacted Paul Daniel Lattin Address Redacted Paul Davis Ltd Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 462 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 465 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Paul Douglas Engen Address Redacted Paul Douglas Engen Trtee Paul Douglas Engen Trust Address Redacted Paul E Burton Address Redacted Paul E Ganther Address Redacted Paul E Mankeim Oil Tst Of 1963 C/O Lehman Bros Address Redacted Paul E Nordstog Address Redacted Paul E Smith Carol F Smith - Poa Address Redacted Paul E Thomae Address Redacted Paul Edgar Wedum Address Redacted Paul Eric Thompson Address Redacted Paul F Hudrlik Address Redacted Paul F Privratsky Address Redacted Paul Fiedler Address Redacted PAUL FREDERICK FRIESEN & Address Redacted Paul Frederick Friesen & Rochelle Marie Friesen, J/T Address Redacted Paul Freed Address Redacted Paul G Rogers Address Redacted Paul G Schweier Address Redacted Paul Graham Address Redacted Paul H Iverson Address Redacted Paul H Suess Address Redacted Paul H Wells Address Redacted Paul Hagler Trust No 1 Rick Lee - Successor Trustee Address Redacted Paul Harral Estate C/O Vicki Havens Address Redacted Paul Harrel Address Redacted Paul Henke Address Redacted Paul J Denowh Address Redacted Paul J Enochson Address Redacted Paul J Hamilton Address Redacted Paul J Loffelmacher Fmly Tr Reid T Jacobson & Jody Jung - Co-Trustees Address Redacted Paul J Wegleitner Address Redacted Paul J. Wilhelm Address Redacted Paul John Baack Address Redacted Paul Jorgenson Address Redacted Paul Joseph Address Redacted Paul K Bolken Address Redacted Paul L Arnson Address Redacted Paul L Kukowski & Catherine F Kukowski Living Trust Dtd 3/27/13 Address Redacted Paul L Mcculliss Address Redacted Paul L Oakland Jr Address Redacted Paul L Peterman Address Redacted Paul Latka Address Redacted Paul Lee Address Redacted Paul M Hagood Address Redacted Paul M Mershon Jr Address Redacted Paul M Susa Address Redacted Paul M Susa, Ttee The Richard M Susa Irrev 3Rd Party Special Needs Trust Address Redacted Paul Mar Address Redacted Paul Martin Fleming Address Redacted Paul Michael Warden Address Redacted Paul Mueller And Erica Mueller Jtwros Address Redacted Paul N Ortloff Jr Address Redacted Paul Nesseth Address Redacted Paul New Address Redacted Paul O Oien Trust Paul O Oien Trustee Address Redacted Paul Ogden Address Redacted Paul Olson Address Redacted Paul P Kessel Address Redacted Paul P Reis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 463 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 466 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Paul R And Melissa G Von Goertz Address Redacted Paul R Liebman Address Redacted Paul R Mckibben Address Redacted Paul R Osterberg Address Redacted Paul R Zuvanich Address Redacted Paul Rankin Address Redacted Paul Rankin Inc Address Redacted Paul Robert Schaper Address Redacted Paul Rosenthal Address Redacted Paul Ryan Sadowsky Address Redacted Paul S & Pamela K Kuhns Jtwrs Address Redacted Paul S. Chaussee Address Redacted Paul Scheibe Address Redacted Paul Schmidt Address Redacted Paul Sean Dugan Address Redacted Paul Sivak Address Redacted Paul Summers Estate C/O Roberta L Summers Address Redacted Paul Sweeney Address Redacted Paul T Scott Address Redacted Paul T Solberg Address Redacted Paul T Vasler Address Redacted Paul W Jacobson Address Redacted Paul W Linehan Address Redacted Paul W Sivertson Address Redacted Paul West Martin & Laurie B Martin Ttees Of Paul W Martin &Laurie B Martin Trust 1/24/04 Address Redacted Paul Whaley Address Redacted Paul Whaley Wood Address Redacted Paul Wisness Address Redacted Paul, Weiss, Rifkind, Wharton, & Garrison LLP Address Redacted Paula A & Steven Weiland Life Estate Address Redacted Paula A Weiland Address Redacted Paula Ann Flannigan Address Redacted Paula Baker Address Redacted Paula Blakeway Dwelly Address Redacted Paula C Bourcy Address Redacted Paula C Clark Address Redacted Paula C Guhl Address Redacted Paula C Nessmith Address Redacted Paula C Rumbold Address Redacted Paula Elizabeth Koppi Address Redacted Paula Fluder Address Redacted Paula Holley Address Redacted Paula Horab Address Redacted Paula Huffman Address Redacted Paula Hunsberger Address Redacted Paula J Main Address Redacted Paula J Peterson Silas Banning (Poa) Address Redacted Paula J Sullivan Address Redacted Paula J Suter Address Redacted Paula J Warren Address Redacted Paula Jackson Address Redacted Paula Jean Sallmen Address Redacted Paula K Bear Address Redacted Paula K Fuller Jt Address Redacted Paula Klingman Address Redacted Paula L Brewer Address Redacted Paula L Loegering Address Redacted Paula Leigh Young Address Redacted Paula Lorraine Pierce Address Redacted Paula M Kostelecky Address Redacted Paula M Lankatis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 464 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 467 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Paula M Leonhardt Address Redacted Paula M Norris Revocable Trust Paula Mae Norris Trustee Address Redacted Paula M Olson (Le) Address Redacted Paula M Sciortino Address Redacted Paula Marie & Thomas Eklund Revocable Trust Dtd 6-9- 16 Paula & Thomas Eklund - Tr Address Redacted Paula Noreen Cheever Address Redacted Paula S Brown Address Redacted Paula Sloop Address Redacted Paula Starr Barovetto Liv Tr Joan Devlin Co Trustee Sean Barovetto Co Trustee Address Redacted Paula T Cymbaluk Address Redacted Paula V Delong Address Redacted Paula Wallace Hartig Address Redacted Paula Wright Address Redacted Paulette E Christel Address Redacted Paulette Eileen Lanz Address Redacted Paulette Iverson Address Redacted Paulette J Dutchak Address Redacted Paulette K Kinzer Address Redacted Paulette Kovar Address Redacted Paulette M Praus Address Redacted Paulette Mungle Address Redacted Paulette Vinger Address Redacted Pauline Ann Merrill Address Redacted Pauline Benke Address Redacted Pauline C Jones Address Redacted Pauline Cain Address Redacted Pauline Dorval Address Redacted Pauline Gulka & Mitchell Gulka Address Redacted

Pauline Hudson Family Minl Tr Eugene A Troxell, Trustee Address Redacted Pauline Ierulli Address Redacted Pauline K Carroll Revocable Trust Under Agreement Dated 2-19-1999 Address Redacted Pauline K Mclaren Address Redacted Pauline Knutson Address Redacted Pauline M Haas-Vaughn Address Redacted Pauline M Mishler Address Redacted

Pauline Mahler Stafford R Lv T Associated Trust Co, Ttee Address Redacted Pauline Roberts Address Redacted Pauline S Lee Address Redacted Pauline Walls Address Redacted Paulson Liv Tst Dtd 3-25-10 Address Redacted Paulson Liv Tst Dtd 3-25-10 Joseph H Paulson & Janet Bessey-Paulson Ttees Address Redacted Pawlik, Mitchell Address Redacted Pawnee Butte Royalties LLC PO Box 4631 Englewood CO 80155 Pawnee High School PO Box 220 19 Chatoga Ave Grover CO 80729 Pawnee Waste LLC 242 Linden St Fort Collins CO 80524-2424 Pax Irvine Mineral Trust Lee R Irvine & Edna Irvine Co- Ttees Address Redacted Paycer, Sarah Address Redacted Paydirt Ventures LLC 5531 Lynbrook Drive Houston TX 77056 Paylocity Corporation 3850 N Wilke Road Arlington Heights IL 60004 Payton Montgomery Sims Address Redacted Pb Oil LLP 121 10th Ave Nw Sidney MT 59270 Pbk Royalty & Investments LLC PO Box 2234 Ardmore OK 73402 Pbr Properties Joint Venture PO Box 2802 Midland TX 79702 Pbs Service & Supply LLC PO Box 118 Stringer MS 39481 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 465 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 468 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country PBS Service & Supply, LLC Attn: Ruel Liston Shows 36 Melton Road Laurel MS 39443 Pca Foundation Inc 1700 N Brown Rd Ste 103 Lawrenceville GA 30043 Pcaob Public Co Accounting Oversight Board Po Box 418631 Boston MA 02241-8631 Pcs Ferguson Inc Jp Morgan Chase Bank Na Po Box 732131 Dallas TX 75373-2131 Pdrsn Family LLC 8350 County Road 40 Ne New London MN 56273 Pds PO Box 75436 Chicago IL 60675 Pds Energy Information Inc PO Box 1606 Austin TX 78767 PDS ENERGY INFORMATION INC. PO BOX 1606 Austin TX 78767 PDS Energy Information, Inc. Barry Barksdale PO Box 1606 Austin TX 78767 Peace Lutheran Church 5675 Field St Arvada CO 80002-2227 Peachtree Properties LLC Sherry C Hailton Mgr PO Box 488 Grove Hill AL 36451 PEAK GRASSLANDS LLC ATTN: JACK VAUGHN 1910 MAIN AVENUE Durango CO 81301 PEAK GRASSLANDS, LLC ATTN: JACK VAUGHN 1910 MAIN STREET Durango CO 81301 Peak Powder Resources LLC 383 Inverness Parkway Ste 470 Englewood CO 80112 PEAK POWDER RESOURCES LLC 383 INVERNESS PARKWAY STE 470 Englewood CO 80112 Peak Well Service LLC PO Box 643 Roosevelt UT 84066 Peak Well Service LLC Shallan Ledbetter PO Box 643 Roosevelt UT 84066 Pearce Durick Pllc 314 East Thayer Ave Po Box 400 Bismarck ND 58502 PEARCE DURICK PLLC 314 EAST THAYER AVE PO BOX 400 Bismarck ND 58502 PEARCE DURICK PLLC 314 EAST THAYER AVENUE PO BOX 400 Bismarck ND 58502 Pearl & Rowan Willis L/E Address Redacted Pearl Hawley Fam Liv Tr Pearl Hawley Trste Address Redacted Pearl I Calene (Deceased) Address Redacted Pearl J Sieckert Address Redacted Pearl Landreth Address Redacted Pearl Mary Lewis Address Redacted Pearl Moore Address Redacted Pearl Reeve Lewis Estate Address Redacted Pearl States Inc 2800 N. Henderson Ave Suite 202 Dallas TX 75206 Pearl Swenson Address Redacted Pearl Valley Oilfield Svcs & Rentals Llc Po Box 1263 Stanley ND 58784 Pearman, James Address Redacted Pearson Adair & Co 6860 Dallas Pkwy Ste 125 Plano TX 75024 Pearson Oil & Gas LLC 1550 Larimer St Unit 508 Denver CO 80202 16400 N DALLAS PARKWAY, SUITE PEC EXPL 400 Dallas TX 75248 Pec Exploration LLC 16400 N Dallas Parkway Suite 400 Dallas TX 75248 PEC EXPLORATION LLC 16400 N DALLAS PARKWAY SUITE 400 Dallas TX 75248 PEC EXPLORATION LLC 210 PARK AVE STE 2820 Oklahoma City OK 73102 Pec Minerals LP 16400 N Dallas Parkway Suite 400 Dallas TX 75248 Pecos Bend Royalties LLLP PO Box 2802 Midland TX 79702 Pedersen Family LLC 4535 Upland Dr Billings MT 59106 Pedersen Family Trust Marlan & Nancy Pedersen Ttees Address Redacted Pedigree Technologies 4776 28th Avenue South Suite 101 Fargo ND 58104 PEET ENTERPRISES 60 WASHINGTON SQ S New York NY 10012 Peet Enterprises Attn: Roger Peet 612 Birchwood Dr Bismarck ND 58504 Pegasus Construction & Services Llc Po Box 1199 Freer TX 78357 Pegasus Minerals LLC 3500 Oak Lawn Ave Ste 300 Dallas TX 75219 Peggie A Jonas Address Redacted Peggy A Arnold Address Redacted Peggy A Kurse Address Redacted Peggy A Wick Address Redacted Peggy Adams Address Redacted Peggy Amtzis Address Redacted Peggy Arnson Address Redacted Peggy Barton Address Redacted Peggy Catherine Schaff Trust Dtd February 10, 2012 Peggy Catherine Schaff, Ttee Address Redacted Peggy Chunn Rice C/O Bill Rice Address Redacted Peggy E Parker Address Redacted Peggy Elizabeth Bozant Address Redacted Peggy Hailes Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 466 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 469 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Peggy Helphrey Address Redacted Peggy J & Jim D Helphrey Jt Address Redacted Peggy J Beckum Address Redacted Peggy J Burman Address Redacted Peggy J Dyer Md Address Redacted Peggy J Finn Address Redacted Peggy J Goss Address Redacted Peggy Jane Reed Address Redacted Peggy Jean Greenhalgh Address Redacted Peggy Jo Moore Address Redacted Peggy Jurgens Address Redacted Peggy L Cheadle Address Redacted Peggy L Leeton James R Leeton Jr Aif Address Redacted Peggy Larsen Gregory Address Redacted Peggy Lee Headlund Address Redacted Peggy Lou Isaacs Address Redacted Peggy Marie Palmber Address Redacted Peggy Nelson Address Redacted Peggy Ostrum Address Redacted Peggy P & Donald S Freeman Address Redacted Peggy Pate Address Redacted Peggy Pickford Address Redacted Peggy R Gardner Address Redacted Peggy Rutherford Trustee Or Any Successor Trustee To Peggy Joan Rutherford Rev Liv Trust Address Redacted Peggy S Butler Address Redacted Peggy S Theodore Address Redacted Peggy Sauer Address Redacted Peggy Shipp Address Redacted Peggy Shoulders Address Redacted Peggy Sue Hellandsaas Address Redacted Peggy W Stewart Address Redacted Peggy Woehl Address Redacted Peloton Computer Enterprises Inc 23501 Cinco Ranch Blvd Suite C220 Katy TX 77494 PELOTON COMPUTER ENTERPRISES INC. 23501 CINCO RANCH BLVD SUITE C220 Houston TX 77494 Penelope Ann Chirpich Address Redacted Penelope Redmond Address Redacted Penelope S Karlewicz Address Redacted Penelope Sue Hardy Address Redacted Penn Brothers Inc Address Redacted Penn Royalty Co Address Redacted Penny Allegood Smith Address Redacted Penny Barton Splinter Address Redacted Penny D Hammac Address Redacted Penny E Helgeson Address Redacted Penny E Johnson Address Redacted Penny K Corr Address Redacted Penny Perles Address Redacted Penny S Parten Address Redacted Penny S Wolgamott Amwdssp Address Redacted Penny Uran Address Redacted Penny Uran L/E Address Redacted PENNZOIL EXPLORATION AND PRODUCTION COMPANY ATTN: P.L. BRUCE 700 MILAM P.O. BOX 2967 Houston TX 77252-2967 Penroc Oil Corporation PO Box 2769 Hobbs NM 88241-2469 PENROC OIL CORPORATION 1515 W CALLE SUR ST STE 174 Hobbs NM 88240 PENROC OIL CORPORATION PO BOX 2769 Hobbs NM 88241-2469 Pens Oil LLC 478 San Fernando St San Diego CA 92106 Pensco Trust Company Attn: Corporate Actions 1560 Broadway Street Suite 400 Denver CO 80202 Pensco Trust Company Attn: Petal Young 1560 Broadway Street Suite 400 Denver CO 80202 Pensco Trust Company LLC Holly Nickerson Supervisor 560 Mission Street Suite 1300 San Francisco CA 94105 Pentagon Oil Company PO Box 399 Kilgore TX 75663-0399 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 467 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 470 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Penterra Services LLC PO Box 82285 Lafayette LA 70598 Penwell Energy Inc A Texas Corporation 310 W Wall Ste 1001 Midland TX 79701 Penwell Properties LP 3838 Oak Lawn Suite 1216 Dallas TX 75219 PENWELL PROPERTIES LP 3838 OAK LAWN SUITE 1216 Dallas TX 75219 People 2.0 Global Lp Lakeshore Talent Po Box 31001-1288 Pasadena CA 91110-1288 Peoples Congregational Church 405 10th Ave Sw Sidney MT 59270 Pep Ii Management LLC 330 Marshall St Ste 300 Shreveport LA 71101 William Powell, Sondra Pep LLC C/O Bokf, Na Dba Bank Of Texas Khalil Po Box 1588 Tulsa OK 74101 Per Espedalen 159 W Montecito Ave Apt A Sierra Madre CA 91024 Percheron Professional Service, LLC F/K/A OGM Land Company, Ltd., d/b/a Allan Exploration C/O Capitol Corporate Services, Inc. 206 East 9th Street Suite 1300 Austin TX 78701 Percy Huravitch Janie Robinson Aif Address Redacted Peregrine Ep Ii LLC 4228 N Central Expy Ste 370 Dallas TX 75206 Peregrine Petroleum Partners 2101 Cedar Springs Ste 1800 Dallas TX 75201 Perez, Paula Address Redacted Performance Crane & Excavating LLC 20 Lake Marian Rd Carpentersville IL 60110 Performance Crane & Excavating LLC 1015 27Th St Se Minot ND 58701 Performance Energy Services Llc 2149 E Bridge St Brighton CO 80601 PERFORMANCE ENERGY SERVICES LLC LLC 2149 E BRIDGE ST Brighton CO 80601 PERFORMANCE ENERGY SERVICES LLC-6800 LLC 2149 E BRIDGE ST Brighton CO 80601 PERFORMANCE ENERGY SERVICES, LLC LLC 2149 E BRIDGE ST Brighton CO 80601 Performance Fluids LLC 274 1st Ave Greeley CO 80631 Performance Lift Inc PO Box 69266 Odessa TX 79769 Perfx Wireline Services LLC PO Box 913107 Denver CO 80291-3107 Perilea A Trout 415 East 82nd St Apt 1B New York NY 10028 Periplo Production Platform LLC C/O Paul Morris 1490 Delgany St #1028 Denver CO 80202 Perkins Cove Ventures LLC 5904 Code Avenue Edina MN 55436 Perkins Cove Ventures, LLC Reynald A. Baribault 5904 Code Avenue 7/23/2020 Minneapolis MN 55436 Permian Basin Joint Venture Ll C/O Apache Corporation Manager PO Box 840133 Dallas TX 75284-0133 Permian Basin Minerals 3811 Cardinal Lane Midland TX 79707 Permian Basin Petroleum Museum 1500 Interstate 20 West Midland TX 79701 Permian Enterprises Ltd 2121 W Murphy Odessa TX 79763 Permian Equipment Rentals LLC PO Box 61730 Midland TX 79711 PERMIAN EXPLORATION CORPORATION 118 WEST FIRST STREET Roswell NM 88203 Permian Tank & Mfg Inc PO Box 205642 Dallas TX 75320-5642 Pernella Twite Estate C/O Ellie Twite Address Redacted Perry Andrew Jensen Address Redacted Perry Dean Faulkner Address Redacted Perry Donnelly Julie Donnelly Address Redacted Perry E Brown Iii Address Redacted Perry Glenn Wright & Joyce E Wright Address Redacted Perry Gregory Pye Address Redacted Perry Gregory Pye & Mary Ann Pye Co-Ttees Pye Rankin Family Trust Address Redacted Perry James Baker Address Redacted perry kenin Address Redacted Perry L Urbanec Address Redacted Perry Mineral Trust Uta Dtd December 15, 1997 Marion E Perry, Trustee Address Redacted Perry Sorenson Address Redacted Perry, Melissa Address Redacted Pershing LLC Address Redacted Perusich, Lindsey Address Redacted Pescador Energy LLC 1321 Upland Drive Suite 4735 Houston TX 77043 Petco Limited PO Box 911 Breckenridge TX 76424-0911 Petco Ltd A Texas Partnership PO Box 911 Breckenridge TX 76424-0911 Pete Dlugosch & Patricia Dlugosch Address Redacted PETE DLUGOSCH AND PATRICIA DLUGOSCH Address Redacted PETE FREDERICKS 825 BIA ROUTE 223 TWIN BUTTES ROUTE Halliday ND 58636

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 468 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 471 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pete Laird Ranch Trst Agcy Regions Bank Acc #650172018 Address Redacted Pete Scherer Oil & Gas LP Address Redacted Petel Rev Living Tr 3/12/14 Address Redacted Peter & Norma A Popek Address Redacted Peter A Chance Address Redacted Peter A Hill Address Redacted Peter A Masset Jr Address Redacted Peter A Nygaard Jr Address Redacted Peter A Reis Address Redacted Peter A Stenehjem Address Redacted Peter A Stenehjem & Sally L Stenehjem Address Redacted Peter A Van Dyke Address Redacted Peter B Hankla Address Redacted Peter Borseth Address Redacted Peter Brimmer Swanson Address Redacted Peter C & Euphemia Decker (Jt) Address Redacted Peter C Freeman Address Redacted Peter Christy Trust Peter Or Noreen A Christy Ttee Address Redacted

Peter Clyde Anna Remsburg - Poa Jared Anderson - Poa Address Redacted Peter D & Carol A Ewing Address Redacted Peter D Bowes Address Redacted Peter E Johanson Address Redacted Peter F Borer Address Redacted Peter Francis Muehlebach Address Redacted Peter G Marston Address Redacted Peter Gawryluk Address Redacted Peter H Furuseth Address Redacted Peter Haun Errebo Address Redacted Peter Helling Address Redacted Peter J Erickson Address Redacted Peter J Heraty Address Redacted Peter J Kannianen Address Redacted Peter J Martinson Address Redacted Peter J Mercier Address Redacted Peter Jerold Ward Address Redacted Peter Joe Wolla Address Redacted Peter Juarez Address Redacted Peter K Gunderson Address Redacted Peter K Kringen Address Redacted Peter L & Julie B Asick Joint Trust Address Redacted Peter L Odermann Address Redacted Peter L Schaeffer Address Redacted Peter Larson Address Redacted Peter Lombardo Address Redacted Peter Lyle Thompson Address Redacted Peter M Dullea Address Redacted Peter M Osterberg C/O Northland Rescue Mission Address Redacted Peter Masset Address Redacted Peter Masset Dba Dakota West Energy LLC Address Redacted Peter Mathistad Address Redacted Peter Nunez & Virginia Nunez, Jts Address Redacted Peter O C Johnson Address Redacted Peter O C, Hannah J & Philips O C Johnson As Trustee Address Redacted Peter P And Ann Oppegaard Address Redacted Peter P Hecker Mineral Trust Peter & Veronica Hecker Ttees Address Redacted Peter R Servo Address Redacted Peter R Smith Address Redacted Peter R. Dailey Address Redacted Peter Roosevelt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 469 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 472 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Peter Sterud Address Redacted Peter W Goode Estate Address Redacted Peter W Strumbos Address Redacted PETER W. HAGIST Address Redacted Peter Z Kiamas Jr And Patricia Kiamas Address Redacted Peter Z Kiamas Le Address Redacted Peters Children 2008 Inv Trst Fbo Bruce L Peters Address Redacted Peters Children 2008 Inv Trst Fbo Gayle C Christie Address Redacted Peters, Jeffrey Address Redacted Peterson Brothers LLC 7979 Ivanhoe Street, Ste 520 La Jolla CA 92037 Peterson Fabrication LLC PO Box 86 Lasalle CO 80645 Peterson Joint Revocable Liv Trust Dtd 3-28-19 - Ronald K & Susan M Peterson - Trustees Address Redacted Peterson Mineral Holdings LLC C/O Lilly D Peterson 714 E First Ave Plentywood MT 59254 Peterson, Alex Address Redacted Peterson, Mitch Address Redacted PETRALOGOS LLC 504 SPRING HILL DR # 390 Spring TX 77386 Petrel Robertson Consulting Address Redacted Petrine Morin Address Redacted Petro Beacon Us Inc PO Box 271210 Flower Mound TX 75027-1210 PETRO BEACON US INC. P.O. BOX 271210 Flower Mound TX 75027-1210 Petro Guardian LLC 29092 Krentel Rd Lacombe LA 70445 Petro Hunt LLC Department 41404 PO Box 650823 Dallas TX 75265 PETRO HUNT LLC DEPARTMENT 41404 PO BOX 650823 Dallas TX 75265 Petro Motion LLP PO Box 2402 Bismarck ND 58502-2402 Petro Partners Inc P O Box 1 Jackson MS 39205 Petro Sentinel LLC PO Box 477 Williston ND 58802-0477 Petro Tech 1308 W 133rd Way Westminster CO 80234 Petro-America LLC 1593 Arrowhead Road Highlands Ranch CO 80126 Petrobella Energy Inc PO Box 53451 Lafayette LA 70505 Petro-Canada Resources Inc Department 1712 Denver CO 80291-1712 PETROGULF CORP 600 GRANT ST STE 850 Denver CO 80203 Petrogulf Corporation 600 Grant St Ste 850 Denver CO 80203 PETROGULF CORPORATION 600 GRANT ST STE 850 Denver CO 80203 Petro-Hunt Dakota LLC Dept 41844 PO Box 650823 Dallas TX 75265-0823 PETRO-HUNT DAKOTA LLC DEPT 41844 PO BOX 650823 Dallas TX 75265-0823 2101 Cedar Springs Road, Suite Petro-Hunt Dakota, L.L.C. Elizabeth Babb 600 Dallas TX 75201 Petro-Hunt LLC Rosewood Court 2101 Cedar Springs Road Suite 600 Dallas TX 75201 PETRO-HUNT LLC ROSEWOOD COURT 2101 CEDAR SPRINGS ROAD SUITE 600 Dallas TX 75201 Petro-Hunt, L.L.C. 2101 Cedar Springs, Sut. 600 Dallas TX 75201 Attn: John Morrison, Paul J. Forster, Petro-Hunt, L.L.C. c/o Crowley Fleck PLLP Joshua B. Cook 100 W Broadway Ave Bismarck ND 58501 2101 Cedar Springs Road, Suite Petro-Hunt, L.L.C. Elizabeth Babb 600 Dallas TX 75201 PETRO-HUNT, L.L.C. ROSEWOOD COURT Dallas TX 75201 Petro-Hunt, Llc, Zenergy Operating Company, Cetco Energy Servces Company, Llc, Hess Corporation, Purity c/o Browning Kaleczye Berry & Hoven Oilfield Services P.C. 800 N. Last Chance Gulch Suite 101 Helena MT 59601 PETRO-HUNT, LLC, ZENERGY OPERATING COMPANY, CETCO ENERGY SERVCES COMPANY, LLC, HESS CORPORATION, BROWNING KALECZYE BERRY & ATTN: CATHERING LAUGHTER PURITY OILFIELD SERVICES HOVEN P.C. W. JOHN TIETZ 801 WEST MAIN SUITE 2A Bozeman MT 58715 Petrol Logic LLC 899 23 Road Grand Junction CO 81505 Petrol Shield LLC PO Box 239 Montrose CO 81402 Petrola Consulting LLC 13295 Newberg Rd Cat Spring TX 78933 Petrolab LLC PO Box 951834 Dallas TX 75395 Petroleum Acquisitions LLLP 717 17th St Ste 1400 Denver CO 80202-3303 Petroleum Experience Inc 4973 Highway 85 South Po Box 2436 Williston ND 58802 PETROLEUM SERVICES INC Michael Alan Palmer PO BOX 1486 Williston ND 58802 Petroleum Services Inc PO Box 1486 Williston ND 58801 Petrolima LLC PO Box 1113 Midland TX 79702 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 470 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 473 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country PETRONEL LLC 14015 MARGAUX LANE Town & Country MO 63107 Petronel LLC Attn: Mark & Tracy Nuelle 14015 Margaux Lane Town & Country MO 63107 Petroshale Us Inc 303 E 17th Ave, Suite 940 Denver CO 80203 PETROSHALE US INC 303 E 17TH AVE, SUITE 940 Denver CO 80203 Petroskills Address Redacted Petrostar LLC 6853 102nd Ave Nw Tioga ND 58852 Petrostar Services LLC 4350 Lockhill Selma Rd Ste 150 San Antonio TX 78249 4350 LOCKHILL SELMA RD STE PETROSTAR SERVICES, LLC 150 San Antonio TX 78249

PetroStar Services, LLC 4350 LOCKHILL SELMA RD STE 150 San Antonio TX 78249 Petrostar, LLC c/o Fredrikson & Byron, P.A. Attn: Lawrence Bender 1133 College Dr Suite 1000 Bismarck ND 58501 Petrostar, LLC Kathleen Neset 6844 Highway 40 Tioga ND 58852 Petrosun Oils Inc Address Redacted Petroswiss Development Ltd 501 Hillside Dr Sewickley PA 15143 Petrovaughn Inc 12201 Merit Drive Suite 620 Dallas TX 75251 PETROVAUGHN INC 12201 MERIT DRIVE SUITE 620 Dallas TX 75251 Petrovest Energy LLC PO Box 1631 Parker CO 80134 Petrovest Energy LLC PO Box 4516 Englewood CO 80155-4516 Petsmart Charities PO Box 7817 Philadelphia PA 19101 Pettis Mineral Trust Address Redacted Petz, Timothy Address Redacted Pevehouse Inc 3300 N A St Bldg 1-201 Midland TX 79705 PEVEHOUSE INC 3300 N A ST BLDG 1-201 Midland TX 79705 Peyton O Furman Address Redacted Pfg Corp 366 Round Hill Road Greenwich CT 6831 Pfz LLC C/O Burkeen Clagg Bartel Pllc 2417 E Skelly Dr Tulsa OK 74105 Pg Exhibits Inc 3510 Himalaya Road Aurora CO 80011 Pgp Holdings 1 LLC 104 Townpark Drive Kennesaw GA 30144 PGS ONSHORE INC 15375 MEMORIAL DR STE 100 Houston TX 77079 Phaland LLC 547 S 7th St Ste 993 Bismarck ND 58504 Pham, Thanh Binh Address Redacted Pheasant Energy LLC PO Box 471458 Fort Worth TX 76147 PHEASANT ENERGY LLC PO BOX 471458 Fort Worth TX 76147 Phebe K Reker Address Redacted Phil F Grossardt Address Redacted Phil L Fettig Address Redacted Phil W. Starkle Address Redacted Phila B Engmann Address Redacted Philip A Duterme Address Redacted Philip Alg And Linda Alg Trtee Philip L Alg & Linda F Alg Rev Trust Address Redacted Philip And Magdalene Fam Mn Tr Magdalene Dolyniuk, Ttee Address Redacted Philip B & Susan L Sabo Address Redacted Philip D Stafne Address Redacted Philip Dean Carlson Address Redacted Philip E Doty Address Redacted Philip E. Doty Address Redacted Philip G Kelley Address Redacted Philip G Reisenauer Address Redacted Philip H Moellring Iii Address Redacted Philip Haney Crowley Address Redacted Philip Hecker Family Minl Trst Philip Hecker & Caroline Hecker, Trustees Address Redacted Philip Holland Address Redacted Philip Hurley Address Redacted Philip Igleheart Johnson Address Redacted Philip J Kannianen Address Redacted Philip J Smith Revoc Lvg Trust Address Redacted Philip Kelly Roth & Address Redacted Philip L Havnik Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 471 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 474 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Philip Landman Goldstucker Address Redacted Philip Lee Davidson Address Redacted Philip M Lowe Address Redacted Philip M Lowry Address Redacted Philip M Simpson Address Redacted Philip M Tippen Address Redacted Philip Neiderer Address Redacted Philip Wagner Address Redacted Philip Wagner & Doris Wagner Irrevocable Mineral Trust Glenn Wagner, Trustee Address Redacted Philip Z Blaisdell Address Redacted Philip&Ann Braun Rental Rooms & Rvs,LLC Address Redacted Philippa Furrh Hess Address Redacted PHILIPS PETROLEUM COMPANY ATTN: J.P. JOHNSON 6330 WEST LOOP SOUTH Bellaire TX 77401 Phillip A Dolan Address Redacted Phillip B Armstrong Address Redacted Phillip Capital Inc. Attn: Corporate Actions 141 W Jackson Blvd Ste 1531A Chicago IL 60604-3121 Phillip D Stewart Jr Address Redacted Phillip E Coon Address Redacted Phillip Edward Butcher Address Redacted Phillip G Stephens Address Redacted PHILLIP HURLEY AND LAURIE HURLEY Address Redacted Phillip J Carland Address Redacted Phillip J Mcandrews Address Redacted Phillip L Davidson Address Redacted Phillip L Stevens Address Redacted Phillip Lynn Sampson Jr Address Redacted Phillip M Lowe Address Redacted Phillip Moen & Donna Moen Fam Mineral Tr Dtd 12/28/12 R.J. Moen & Curtis Moen Ttee Address Redacted Phillip Moen Spousal Ltd Acces Tr Dtd 12/28/12 Curtis Moen Ttee Address Redacted Phillip P Gruman Address Redacted Phillip R Ness Address Redacted Phillip Ray Baker Address Redacted Phillip S Mar Address Redacted Phillip Stanley Butcher Address Redacted Phillip Stevens Address Redacted Phillip W Finney Address Redacted Phillippi Living Trust Clarice L Phillippi - Trustee Address Redacted PHILLIPS 66 58 COMMERCE ROAD Stamford CT 06902 PHILLIPS 66 COMPANY 58 COMMERCE ROAD Stamford CT 06902 Phillips H Appling Address Redacted Phillips Murray Revocable Tr Gail Beaumont Phillips & Jeffrey S Murray Ttees Address Redacted PHILLIPS PT ARGUELLO PRODUCTION 925 NORTH ELDRIDGE PARKWAY Houston TX 77079 PHILLIPS PT. ARGUELLO PRODUCTION C/O CONOCOPHILLIPS COMPANY P.O. BOX 2197 Houston TX 77252 Philosophical Research Society 3910 Las Feliz Blvd Los Angeles CA 90027 Phinney Real Estate Holdings LLC 11353 Decatur Ct Westminster CO 80234 Phoebe H Galloway Address Redacted Phoebe H Galloway Revocable Trust Dtd 3-7-11 Phoebe H Galloway - Trustee Address Redacted Phoebe Mendez Address Redacted Phoenix Capital Group Holdings PO Box 363 El Segundo CA 90245 Phoenix Energy Companies Inc 5114 Yolanda Lane Dallas TX 75229 PHOENIX PRODUCTION COMPANY 225 W YELLOWSTONE AVE STE 4 Cody WY 82414-8701 Phoenix Technology Services Usa Inc Dept 3815 Po Box 123815 Dallas TX 75312-3815 Phylip Courser Phoebe Mendez Poa Address Redacted Phylis I Roth Address Redacted Phyliss Carol Olson Estate Address Redacted Phyllis & Jerald Becker Rev Tr Dakota Community Bank & Tr Tte Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 472 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 475 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Phyllis A Gallup Address Redacted Phyllis A Runningen Address Redacted Phyllis Ann Fisher Address Redacted Phyllis Ann Murry Address Redacted Phyllis Ann Sommer Address Redacted Phyllis Ann Sommer Revocable Trust Phyllis Ann Sommer - Trustee Address Redacted Phyllis Armstrong Johnson Address Redacted Phyllis Bennetts Address Redacted Phyllis Bina Address Redacted Phyllis Blaess Address Redacted Phyllis Cockfield Address Redacted Phyllis Cook Address Redacted Phyllis D Cassatt Address Redacted Phyllis D Kovach Address Redacted Phyllis E Davis Address Redacted Phyllis Fisher & Keith Fisher Address Redacted Phyllis Fowler Address Redacted Phyllis Frahmn Address Redacted Phyllis Gifford Address Redacted Phyllis Harmon Address Redacted Phyllis Haustveit Address Redacted Phyllis J Link Address Redacted Phyllis J Mcguire Address Redacted Phyllis Jean Boland Address Redacted Phyllis Jean L/E Address Redacted Phyllis Jensen Flory Address Redacted Phyllis Jones Address Redacted Phyllis K Syverson Address Redacted Phyllis L Romo Address Redacted Phyllis L. Wight Address Redacted Phyllis M Ruzicka Address Redacted Phyllis M Stevens-Manus Address Redacted Phyllis Messenger Address Redacted Phyllis Newman Address Redacted Phyllis R Shahin Address Redacted Phyllis Rovelstad & Hd Rovelstad As Jtros First Intl Bank & Trust Agent Address Redacted Phyllis Runyon Address Redacted Phyllis Tarnasky Ralph Tarnasky Conservator Address Redacted Phyllis Tew Address Redacted Phyllis Vollstedt Ex Est Merle G Eberle 907 Center Manning IA 51455 Phyllis Wright Address Redacted Pi Financial Corp./CDS** Rob Mcneil 666 Burrard Street Suite 1900 Vancouver V6c 3nbc Canada Piccin, Courtney Address Redacted Pickett Gregg Kildow Iii 2550 Simms Street Lakewood CO 80215 Picketts Gold LLC 2550 Simms St Lakewood CO 80215 PICO TRES MARES SA Attn: Clara Luz Serna Aguirre Carrera 38 #7A Sur 83 Apt 802 Medellin 050021 Colombia PICO TRES MARES SA Morgan Stanley / Andres Echeverri 220 Alhambra Circle Floor 10 Coral Gables FL 33134 PIERCE ATWOOD LLP 900 17TH STREET N.W. #350 Washington DC 20006 Pierce Atwood LLP Attn: Accounting 254 Commercial St Portland ME 04101 Pierce Atwood LLP Attn: Randall S. Rich 1875 K Street NW Suite 700 Washington DC 20006 Pierce Expl & Prod Corp 1133 Bal Harbour Blvd #1139 Punta Gorda FL 33950 Pierce Family Minerals LLC 300 Dawn River Cove Austin TX 78732 Pierce Living Trust - 8-1-2013 Carlos R Pierce & Jolynne C Pierce, Trustees Address Redacted Pierce, Fenner & Smith, Inc. C/O Merrill Lynch Oper Cn Attn: Mary B Sweetland Address Redacted Piercy Living Trust Dtd 9-7-10 B Darlene Piercey - Trustee Address Redacted Pierpont Oil & Gas Holding LLC PO Box 80163 Billings MT 59108 Pierre Andre Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 473 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 476 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pierre Mathieu Address Redacted Piesik, Ronald Address Redacted Piggyback Petroleum LLC PO Box 1208 Laramie WY 82073 PIGGYBACK PETROLEUM LLC PO BOX 1208 Laramie WY 82073 Pillar Energy LLC Rosewood Court 2101 Cedar Springs Road Suite 600 Dallas TX 75201 Rosewood Court, 2101 Cedar Pillar Energy LLC Springs Road, Suite 600 Dallas TX 75201 Pilot Energy Group LLC PO Box 2023 Williston ND 58802 PILOT ENERGY GROUP LLC P O BOX 2023 Williston ND 58802 Pilot Thomas Logistics LLC PO Box 677732 Dallas TX 75267-7732 Pilot Thomas Logistics, LLC & Simons Petroleum, LLC David Dodson 201 N. Rupert Street TX 76107 Pilot Thomas Logistics, LLC & Simons Petroleum, LLC David Dodson 201 N. Rupert Street Fort Worth TX 76101 Pin Oak Investment Advisors Address Redacted Pine Bluffs Gravel & Excavating Inc Po Box 609 Pine Bluffs WY 82082-0609 Pine Bluffs Sinclair LLC PO Box 827 Pine Bluffs WY 82082 Pine Investments Co LLC PO Box 6151 Bismarck ND 58506-6151 Pine Minerals LLC PO Box 6151 Bismarck ND 58506-6151 PINE MINERALS LLC PO BOX 6151 Bismarck ND 58506-6151 Pine Petroleum Inc PO Box 6151 Bismarck ND 58506-6151 PINE PETROLEUM INC PO BOX 6151 Bismarck ND 58506-6151 Pinecrest Partners LP 711 Louisiana Suite 1660 Houston TX 77002 Pinehurst Properties LLC 145 Brae Burn Drive Jackson MS 39211 PING IDENTITY CORPORATION 1001 17TH STREET SUITE 100 Denver CO 80202 Ping Identity Corporation 1001 17th Street Suite 100 Denver CO 80202 Pingel, Douglas Address Redacted Pinnacle PO Box 459 Stanley ND 58784-0459 Pinnacle Propane 1612 Garden City Hwy Midland TX 79701 Pinnacle Propane LLC #124 Tucumcari, PO Box 1005 Tucumcari NM 88401 Pinyon Resources LP PO Box 2309 Fredericksburg TX 78624 PINYON RESOURCES LP PO BOX 2309 Fredericksburg TX 78624 PIONEER 220 S TAFT ST Lakewood CO 80228 Pioneer Coiled Tubing Services 1250 Ne Loop 410, Ste 100 San Antonio TX 78209 Pioneer Coiled Tubing Services 2975 Regent Blvd Box 203674 Irving TX 75063 C/O JARDINE, STEPHENSON, PIONEER DRILLING BLEWETT & WEAVER, PC ATTN: ROBERT PFENNIGS 300 CENTRAL AVE W #700, P.O. BOX 2269 Great Falls MT 59403 C/O Jardine, Stephenson, Blewett & Pioneer Drilling Services Attn: Robert Pfennigs Weaver, Pc 300 Central Ave W #700, P.O. BOX 2269 Great Falls MT 59403 Pioneer Drilling Services Ltd Attn: Stacy Locke 1250 Northeast Loop 410 Suite 1000 San Antonio TX 78209 Pioneer Drilling Services Ltd PO Box 202569 Dallas TX 75320-2569 Pioneer Drilling Services, Ltd Attn: Kenneth W. Bullock, Ii C/O Munsch Hardt 700 Miliam Street #2700 Houston TX 77002

PIONEER DRILLING SERVICES, LTD C/O MUNSCH HARDT ATTN: KENNETH W. BULLOCK, II 700 MILIAM STREET #2700 Houston TX 77002 PIONEER DRILLING SERVICES, LTD. PO BOX 202569 Dallas TX 75320-2569 PIONEER ENERGY 220 S TAFT ST Lakewood CO 80228 Pioneer Energy Inc 220 S Taft St Lakewood CO 80228 PIONEER ENERGY INC-5783 220 S TAFT ST Lakewood CO 80228 PIONEER ENERGY, INC. 220 S TAFT ST Lakewood CO 80228 Pioneer Gasket Of Wyoming Inc PO Box 968 Rock Springs WY 82902 Pioneer Natural Res Usa Inc 777 Hidden Rdg Irving TX 75038-3802 Pioneer Natural Resources PO Box 840835 Dallas TX 75284-0835 PIONEER NATURAL RESOURCES PO BOX 840835 Dallas TX 75284-0835 PIONEER NATURAL RESOURCES CO PO BOX 840835 Dallas TX 75284-0835 Pioneer Oil And Gas 1206 W South Jordan Parkway Unit B South Jordan UT 84095 Pioneer Promo 1411 32nd St S Fargo ND 58103 Pioneer Well Services LLC PO Box 202563 Dallas TX 75320-2563 Pioneer Wireline Services PO Box 202567 Dallas TX 75320-2567 Pipe Renewal Service Inc PO Box 790010 Vernal UT 84078 PipeGlove Address Redacted Pipeglove LLC 2915 E 74th Street Tulsa OK 74136 PipeGlove LLC 9525 E , Ste. A Tulsa OK 74145 Pipeglove LLC 9525 E 51st Street Suite A Tulsa OK 74145 Pipeline & Hazardous Materials Safety Administration 1200 New Jersey Avenue, Se In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 474 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 477 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Pipeline Association For Public Awareness 16361 Table Mountain Parkway Golden CO 80403 Pipeline Association for Public Awareness Attn: Jeff Farrells 16361 Table Mountain Parkway Golden CO 80403 Pipeline Supply & Service PO Box 74321 Cleveland OH 44194-4321 Piper Energy LLLP PO Box 1881 Dickinson ND 58602-1881 Piper Petroleum Company 4747 Research Forest Drive Suite 180-315 The Woodlands TX 77381 Piranha Partners PO Box 7483 Houston TX 77248-7483 Pirkl Family Trust Dtd 6/27/02, Rollie Pirkl & Janet Pirkl, Trustees Address Redacted Pitchblack Oil LLC PO Box 1404 Dickinson ND 58602-1404 Pitney Bowes Purchase Power Po Box 371874 Pittsburgh PA 15250-7874 Pitney Bowes Global Financial Services Llc Po Box 371887 Pittsburgh PA 15250-7887 PITNEY-BOWES GLOBAL FINANCIAL LLC P.O. BOX 371887 Pittsburgh PA 15250 PITNEY-BOWES GLOBAL FINANCIAL LLC P.O. BOX 371888 Pittsburgh PA 15250 Pivotal Dj Basin LP 2021 Mckinney Ave Ste 1250 Dallas TX 75201-7625 PIVOTAL DJ BASIN LP 2021 MCKINNEY AVE STE 1250 Dallas TX 75201-7625 Pivotal Williston Basin Ii LP 2021 Mckinney Ave Ste 1250 Dallas TX 75201 Pivotal Williston Basin LP 2021 Mckinney Ave Ste 1250 Dallas TX 75201 Pjw Minerals LLC The Trust Company Of Ok Agent PO Box 3627 Tulsa OK 74101 Pk Safety LLC PO Box 782290 Wichita KS 67278 Pkm Resources Corp 6325 Falls Of Neuse Road Ste 35-241 Raleigh NC 27615 Placement Solutions LLC 4848 Highway 85 Lot 103 Williston ND 58801 PLAINS MARKEING, L.P. 8111 WESTCHESTER DR. SUITE 600 Dallas TX 75225 PLAINS MARKETING P O BOX 4346, DEPT 327 Houston TX 77210-4346 PLAINS MARKETING PO BOX 4346, DEPT 327 Houston TX 77210-4346 Plains Marketing, L.P. PO Box 4346, Dept 327 Houston TX 77210-4346 PLAINS MARKETING, L.P. 571 HIGHWAY 51 SUITE E Ridgeland MS 39157 PLAINS MARKETING, L.P. 8111 WESTCHESTER DR. SUITE 600 Dallas TX 75225 CONTRACT PLAINS MARKETING, L.P. 8811 SOUTH YALE SUITE 200 ADMINISTRATION Tulsa OK 74137-3650 c/o Law Office of Patricia Williams Plains Marketing, L.P. Prewitt Attn: Patricia Williams Prewitt 10953 Vista Lake Court Navasota TX 77868 PLAINS MARKETING, L.P. CONTRACT ADMINISTRATION 5-3 P.O. BOX 871 Tulsa OK 74102-0871 Plains Pipeline LP PO Box 414486 Boston MA 02241-4486 PLAINS PIPELINE LP GREG STARLING 333 CLAY STREET SUITE 1900 Houston TX 77002 Plains Pipeline Lp PO Box 4648 Houston TX 77210-4648

Plains Pipeline, L.P. Attn: James Pinchback, Vice President 333 Clay Street Suite 1600 Houston TX 77002 Attn: Lawrence J. Dreyfuss, Sr. Vice Plains Pipeline, L.P. President 333 Clay Street Suite 1600 Houston TX 77002 Plains Production Inc 1313 Campbell Rd Bldg D Houston TX 77055 PLAINS PRODUCTION INC 1313 CAMPBELL RD BLDG D Houston TX 77055 Plantek Distinctive Interiorscaping, Inc 4155 Jason St Denver CO 80211 Platform Natural Resources LLC 1200 Summit Ave Ste 350 Fort Worth TX 76102 Platinum Control Technologies 2822 West 5th Fort Worth TX 76107 Platinum Measurement LLC PO Box 3507 Little Rock AR 72203-9934 Platte Holdings LLC 1550 Larimer St Unit 433 Denver CO 80202 Platte River Associates Inc 500 Discovery Pkwy #175 Superior CO 80027-8639 PLATTE RIVER ASSOCIATES INC 500 DISCOVERY PKWY STE 175 Superior CO 80027-8710 Platte River Properties Inc 613 Hinsdale Dr Fort Collins CO 80526 PLATTE RIVER PROPERTIES INC 613 HINSDALE DR Fort Collins CO 80526 Playworks Education Energized 638 3rd St Oakland CA 94607 Pleasureville Boys Club C/O Mark Lentz 2359 North Sherman Street York PA 17402-1541 Pledge Resources LLC 2101 Cedar Springs Rd Ste 600 Dallas TX 75201 2101 Cedar Springs Road, Suite Pledge Resources, LLC Attn: Elizabeth Babb 600 Dallas TX 75201 Plein Sud Holdings LLC 3131 Mckinney Avenue, #430 Dallas TX 75204 PLEIN SUD HOLDINGS LLC 3131 MCKINNEY AVENUE, #430 Dallas TX 75204 PLOTTER SUPPLIES INC. 10475 IRMA DR STE 2 Northglenn CO 80233 Pls Inc PO Box 4987 Houston TX 77210-4987 Plunkett, Herbert Address Redacted PLURALSIGHT LLC 10355 SOUTH JORDAN GATEWAY SUITE 160 South Jordan UT 84095 Pluralsight LLC Dept Ch 19719 Palatine IL 60055-9719 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 475 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 478 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Plw And Djw Land & Minerals LLC PO Box 831 Marshall TX 75761 Pmg Oil & Gas LLC 100 Rancho Circle Las Vegas NV 89107 Pmi Inc PO Box 512 Mills WY 82644 Pmn Investments Inc Dba M&M Sales And Service Po Box 2608 Mills WY 82644 Pnc Bank, National Association Juanita Nichols 8800 Tinicum Blvd Mailstop F6-F266-02-2 Philadelphia PA 19153 Po & G Resources LP 5847 San Felipe #3200 Houston TX 77057 Poco Minerals 4809 Cole Ave Suite 107 Dallas TX 75205 Pogue, Taylor Address Redacted Point Arguello Natural Gas Co Attn: Treasury Dept 1615 Poydras St New Orleans LA 70112 Point Arguello Natural Gas Line Company Attn: Todd R. Cantrall 11450 Compaq Center West Building 9 Suite 450 Houston TX 77070 Point Arguello Natural Gas Line Company c/o Jones Walker LLP Attn: Elizabeth Futrell 201 St. Charles Ave. 49th Floor New Orleans LA 70170 Point Arguello Pipeline Co Attn: Treasury Department 1615 Poydras St New Orleans LA 70112 11450 Compaq Center West, BLDG Point Arguello Pipeline Company Attn: Todd R. Cantrall 9 Suite 450 Houston TX 77070 Point Arguello Pipeline Company c/o Jones Walker LLP Attn: Elizabeth Futrell 201 St. Charles Ave. 49th Floor New Orleans LA 70170 17100 CALLE MARIPOSA POINT ARGUELLO UNIT C/O ARGUELLO INC. C/O PROJECT MANAGER REINA Goleta CA 93117 Polar Bear Water Treatment LLC 715 Grand Ave Laramie WY 82070 2300 WINDY RIDGE PKWY STE POLAR MIDSTREAM 840N Atlanta GA 30339 2300 WINDY RIDGE PKWY STE POLAR MIDSTREAM LLC 840N Atlanta GA 30339 POLAR MIDSTREAM, LLC 999 18TH STREET SUITE 2500S Denver CO 80202 Polar Midstream, LLC Attn: Brock M. Degeyter 5910 North Central Expressway Suite 350 Dallas TX 75206 Attn: John E. Mitchell and Yelena Polar Midstream, LLC c/o Akerman LLP Archiyan 2001 Ross Avenue Suite 3600 Dallas TX 75201 POLAR MIDSTREAM, LLC ORIGINALLY BEAR TRACKER ENERGY, LLC 999 - 18TH ST SUITE 2500S Denver CO 80202 2504 E Pikes Peak Ave Polaris Resources Inc C/O Intellitec Colleges #305 Colorado Springs CO 80909 Poldrack Marital Trust Barbara P Mcafee - Trustee Address Redacted Polfam Exploration Co LLC 7778 S Zante Ct Aurora CO 80116 Polish Oil & Gas Inc PO Box 306 Bismarck ND 58502 POLISH OIL & GAS INC PO BOX 306 Bismarck ND 58502 POLITICO 1000 WILSON BOULEVARD 8TH FLOOR Arlington VA 22209-2249 Politico LLC PO Box 419342 Boston MA 02241-9342 Pollister Drilling Corp PO Box 765 Chokoloskee FL 34138 Pollister Drilling Corp 19305 30th Avenue Marion MI 49665 Polly Barton-Pluemer Hilby Address Redacted Polly Hilgers 20096 Flint Lane Morrison CO 80465 Polo Field Energy LLC 2552 E Alameda Avenue, #18 Denver CO 80209 POLSINELLI 1401 LAWRENCE STREET SUITE 2300 Denver CO 80202 Polsinelli Pc PO Box 878681 Kansas City MO 64187-8681 Polyflow LLC 2309 E Interstate 20 Midland TX 79706

Polyflow LLC Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Pomona College Investment Acct 150 E Eighth St Claremont CA 91711 Ponciano Living Trust Dtd 11-2-99 - Andrew & Gerogia Ponciano - Trustees Address Redacted Ponderosa Royalty LLC C/O W B Robins Iii, Gen Prt PO Box 10428 Midland TX 79702 Ponderosa Royalty Partners LLC 695 S Colorado Blvd Ste 440 Denver CO 80246 Poole, Donald Address Redacted Poplar Energy Company LLC 7131 South Poplar Court Centennial CO 80112 Porras Gonzalez, Felipe Address Redacted Porter Family Trust Judity A Porter - Trustee Address Redacted Porter Simon Pc 40200 Truckee Airport Rd Ste 1 Truckee CA 96161 Portfolio Exploration LLC 5127 Tangle Lane Houston TX 77056 Portia Stevens Watkins Address Redacted Posetta Rose Address Redacted Posse Operating Inc PO Box 1414 Dickinson ND 58602 POSSE OPERATING INC PO BOX 1414 Dickinson ND 58602 Potts, Michael Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 476 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 479 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Powder Morning LLC 250 Fillmore St Unit 500 Denver CO 80206-5012 Powder River Energy 200 Garner Lake Road Gillette WY 82716 Powder River Energy Po Box 930 Sundance WY 82729-0930 POWDER RIVER ENERGY PO BOX 930 Sundance WY 82729-0930 POWDER RIVER ENERGY-6900 200 GARNER LAKE ROAD Gillette WY 82716 Powell Irrevocable Trust William Zachary Powell Ttee Address Redacted Powell, Daniel Address Redacted Powell, Jerome Address Redacted Power Controls Inc 1205 W Center Avenue Denver CO 80223 Power Service Inc PO Box 2870 Casper WY 82602 Power Solutions LLC 1209 Pointe Centre Dr Ste 201 Chattanooga TN 37421 PowerMation Greg Strauss 1310 Energy Lane St. Paul MN 55108 Powermation Division Inc PO Box 860314 Minneapolis MN 55486-0314 Powers Co PO Box 1221 Williston ND 58802 Powers Energy Corporation PO Box 1221 Williston ND 58802-1221 Powers Revocable Trust Kathleen A Powers Trustee Address Redacted Powerstroke Well Control Inc Dept 2006 Po Box 122006 Dallas TX 75312-2006 Ppj Partners LLC 28 Bridgetown Road Hilton Head Island SC 29928 Pradera Del Norte Inc PO Box 2323 Bismarck ND 58502-2323 Prairie Disposal PO Box 670207 Dallas TX 75267-0207 Prairie Grit Adaptive Sports PO Box 969 Minot ND 58702 Prairie Of The South LLC PO Box 2364 Bismarck ND 58502 Prairie Petro Chem Of America Llp P O Drawer 1568 Williston ND 58801 Prairie Petroleum Inc 1200 17th Street Suite 1100 Denver CO 80202 Prairie Public Broadcasting Inc (Prairie Public Radio/Tv) 207 North 5Th Street Fargo ND 58108-3240 Prairie Supply Inc PO Box 118 West Fargo ND 58078 Prairie West Golf Course 2709 Long Spur Trail Mandan ND 58554 Prater, Guy Address Redacted Praxair Distribution Inc Dept Ch 10660 Palatine IL 60055-0660 PreAndre Ward Address Redacted PREBLE MEDICAL SERVICES 101 COLLINS AVE Mandan ND 58554 Preble Medical Services 101 Collins Ave Mandan ND 58554 Precision Energy Services PO Box 200698 Dallas TX 75320-0698 Precision Equipment Manufacturing Llc 4409 33rd Street B Fargo ND 58102 Precision Equipment Sales LLC 4409 33rd St N Fargo ND 58102 Precision Gas Detection And Measurement 4223 Vance Rd Traverse City MI 49685 Precision Machine & Welding Inc 145 21st St West Dickinson ND 58601 Precision Measurement Inc PO Box 568 Watford City ND 58854 Precision Service Equipment 1705 32nd St Ste G Evans CO 80620 Preferred Properties Family LTD Partnership Address Redacted Premier Bulk Management Systems Inc 2078 Westgate Dr Rock Springs WY 82901 Premier Bulk Management Systems Inc 2078 Westgate Drive Rock Springs WY 82901 Premier Document Imaging LLC 4309 Clevenger Dr Edmond OK 73012-4387 Premier Environmental Enterprises 14291 Painted Woods Dr Williston ND 58801 Premier Oilfield Equipment Co PO Box 47077 Houston TX 77210 Premier Pipe LLC 15600 Jfk Blvd, Ste 200 Houston TX 77032 Premier Signs LLC 6905 W Princeton Ave Denver CO 80235 Premier Solutions Group LLC 2457 East 50 South Layton UT 84040 Premier Vacuum Service Inc P O Box 926 Kingsville TX 78364-0926 Premium Oilfield Products Dept 150 Po Box 4458 Houston TX 77210-4458 Premium Tools LLC PO Box 677901 Dallas TX 75267-7901 Premm Badhwa 2050 Ormond DR Shakopee MN 55379 Preng & Associates 2925 Briarpark Suite 1111 Houston TX 77042 Prentice, Napier & Green, Inc. Png Operating Company Po Box 721424 Oklahoma City OK 73172 Prentiss Felton Keyes Address Redacted

Presbyterian Village N Found Farmers National Co Agent PO Box 3480 Omaha NE 68103-0480 Presco Inc 10200 Grogans Mill Rd Ste 520 The Woodlands TX 77380 Presidio Networked Solutions PO Box 822169 Philadelphia PA 19182-2169 Presidio Networked Solutions LLC Jay Staples 2 Sun Court Norcross GA 30092 Press Works LLC 1013 Ed Court Fruita CO 81521 Prestige Well Services Inc PO Box 4708 Wichita Falls TX 76308-0708 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 477 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 480 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Presto - X Rentokil North America Attn: Bankruptcy Team 1125 Berkshire Blvd. Suite 150 Reading PA 19610 Preston Leiss Address Redacted Preston Noteboom John Noteboom - Trustee Address Redacted Preston Slayton 6245 Leupp Road Flagstaff AZ 86004 Presto-X Address Redacted PRESTO-X PO BOX 14087 Reading PA 19612-4087 Preszler, Kent Address Redacted Preventive Health Now 7771 E 29th Ave Denver CO 80238 Preventive Health Now LLC 7406 S Pontiac Way Centennial CO 80112 Price Waterhouse Coopers LLC PO Box 75647 Chicago IL 60675-5647 PRICE WATERHOUSE COOPERS LLC PO BOX 75647 Chicago IL 60675-5647 Price, Bradley Address Redacted Price, Timothy Address Redacted Pride Energy Company PO Box 701950 Tulsa OK 74170-1950 Prima Exploration Inc 250 Fillmore Street Suite 500 Denver CO 80206 PRIMA EXPLORATION INC. 250 FILLMORE STREET SUITE 500 Denver CO 80206 PRIMA EXPLORATION INC. ATTN: DON LAW 250 FILLMORE ST UNIT 500 Denver CO 80206-5012 Primary Fuels LLC PO Box 52647 Tulsa OK 74152 Prime Energy Corp PO Box 4927 Msc 300 Houston TX 77210 Prime Royalty Company LLC 1313 Campbell Road Building D Houston TX 77055 Princess Winger Address Redacted Princeton Royalties LLC 777 Taylor St Ste 810 Fort Worth TX 76102 Principle Energy LLC 800 Gessner Rd Ste 1110 Houston TX 77024 Principle Energy LLC Attn Wooi See Ferris 11000 Richmond Ave Ste 100 Houston TX 77042 Pringle & Herigstad Pc PO Box 1000 Minot ND 58702-1000 Pringle Family Mineral Trust Dtd 7/14/11 Jane Hirst Trustee Address Redacted Priority Land Management Inc PO Box 10866 Midland TX 79702 Priscilla Anne Roberts Address Redacted Priscilla R Hale Address Redacted Priscilla S Taylor Separate Property Trust Address Redacted Pritchett Living Trust Address Redacted Prize Energy Resources Inc #774031 4031 Solutions Center Chicago IL 60677-4000 Pro Auto Body LLC PO Box 920 Watford City ND 58854-0920 Pro Safe Pest Control 725 8th Ave E Williston ND 58801 Probe Technology Services Inc 1132 Everman Parkway Fort Worth TX 76140 Process Equipment & Svc Co Inc PO Box 929 Farmington NM 87499 Production Lift Companies Inc PO Box 9423 Midland TX 79708 Production Optimization Inc PO Box 16160 Golden CO 80402 Production Pump A Dxp Company PO Box 840511 Dallas TX 75284-0511 Production Services Inc PO Box 1885 Magnolia AR 71754-1885 Professional Hearing Services 1400 37th Ave Sw Minot ND 58701 Professor Goodbellows Address Redacted Profire Energy 321 S 1250 W Lindon UT 84042 Profire Energy Inc 321 South 1250 West, Ste 1 Lindon UT 84042 Pro-Frac Heating & Trucking P O Box 2758 Williston ND 58802-2758 Progress Software Corporation PO Box 84-5828 Boston MA 02284-5828 Progressive Business Publications 370 Technology Drive Malvern PA 19355 Project Angel Heart 4950 Washington St Denver CO 80216 Project Pave Inc 4140 Tejon St Denver CO 80211 Pro-Kote Engineering & Supply 590 Circle Drive Casper WY 82601 Prolific Petroleum LLC 325 Clayton St Denver CO 80206 Prometheus Minerals LLC 1538 Wazee St Ste 200 Denver CO 80202 Pronghorn Resources LLC 9280 Glenforest Dr Naples FL 34120 PRONGHORN RESOURCES LLC 9280 GLENFOREST DR Naples FL 34120 Property Hold Co R LLC 201 St Charles Ave Ste 114-331 New Orleans LA 70170 Propetro Services Inc PO Box 734247 Dallas TX 75373-4247 Pros Incorporated PO Box 20996 Bakersfield CA 93390 Prospect Energy LLC 500 Dallas Street Ste 1800 Houston TX 77002 Protech Sales Inc 12340 Mead Way Littleton CO 80125 Environment Economy And Energy Protecting Colorados Independence Attn: Katie Kennedy 2318 Curtis St Denver CO 80205 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 478 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 481 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Protection Systems Inc 901 Page Drive Fargo ND 58103 Protego Usa Inc 9561 Palmetto Commerce Pkwy Ladson SC 29456-6718 Provencal Minerals LLC Farmers National Company Agent PO Box 3480 Omaha NE 68103-0480 Providence Energy Partners Ii LP 16400 N Dallas Parkway Suite 400 Dallas TX 75248 Providence Minerals LLC 16400 North Dallas Pkwy Suite 400 Dallas TX 75248 PROVIDENCE TECHNOLOGIES, INC. 3911 S MAIN ST Roswell NM 88201 PROWARE 3909 SOUTH 147TH STREET SUITE 134 Omaha NE 68144 Psi - Digital Imaging Solution 10475 Irma Drive Unit 2 Northglenn CO 80233-0010 Psr Partners LLC 4 Castlebridge Ct Hilton Head Island SC 29928 Ptc Inc PO Box 945722 Atlanta GA 30394-5722 PTC INC. 121 SEAPORT BLVD SUITE 1700 Boston MA 02114 Ptw Energy Services Inc Dept Ct 19870 Palatine IL 60055-9870 PTW Energy Services, Inc. Attn: Kim Bagby 355 4 Avenue SW, Suite 600 Calgary AB T2P 0J1 Canada

PTW Energy Services, Inc. c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Public Company Accounting Oversight Board 1666 K Street NW Washington DC 20006-2803 Public Company Accounting Oversight Board PO Box 418631 Boston MA 02241-8631 Public Service Commission State Of North Dakota 600 E. Boulevard Ave. Department 408 Bismarck ND 58505-0480 Puckett Land Co 5460 So Quebec Street Ste 250 Greenwood Village CO 80111 Pullen Investments LLC C/O Timothy Pullen 4783 White Bluff Drive Frisco TX 75034 Pulsar Properties LLC PO Box 30093 Edmond OK 73003 PULSAR PROPERTIES LLC PO BOX 30093 Edmond OK 73003 PULSE SECURE, LLC 2700 ZANKER ROAD SUITE 200 San Jose CA 95134 Puma Resources Inc 3001 Quail Springs Parkway Oklahoma City OK 73134 Pump Systems LLC 530 25th Ave E Po Box 1940 Dickinson ND 58602-1940 Pumpkin Buttes LLC PO Box 1989 Casper WY 82602 Purco Fleet Services Inc 136 South Main Street Spanish Fork UT 84660 Purdum Electric Company Inc P O Box 291 Laurel MS 39440 Pure Water Technology Of The North Po Box 6440 Fargo ND 58106 Purity Oilfield Services LLC Attn: Marshall T. Hunt 2101 Cedar Springs Road Suite 650 Dallas TX 75201 Purity Oilfield Services LLC PO Box 732730 Dallas TX 75373-2730 Purity Oilfield Services, LLC Purity Oilfield Services, LLC PO Box 732729 Dallas TX 75373-2729 2101 Cedar Springs Road, Suite Purity Oilfield Services, LLC Attn: Richard Ellis Yates 600 Dallas TX 75201 2101 Cedar Springs Road, Suite Purity Oilfield Services, LLC Elizabeth Babb 600 Dallas TX 75201 Purnee Mccourt Address Redacted Pusan Pipe America Inc Dba Seah Steel America Inc Po Box 201919 Dallas TX 75320-1919 Putnam Family Tst Dtd 6-23-99 Larry H & Linda N Putnam Ttees Address Redacted Pw Crissey Trust Be White Trustee Address Redacted PWC 1900 16TH STREET, SUITE 1600 Denver CO 80202 Q Peter Courtney Iii Address Redacted Qal-Tek Associates LLC 3998 Commerce Circle Idaho Falls ID 83401 Qbe International Markets 601 Poydras St., Suite 2215 New Orleans LA 70130 Qc Energy Resources Inc 62660 Collection Center Dr Chicago IL 60693-0626 Qc Environmental Services Inc 208 East Kennedy Blvd Ste 132 Tampa FL 33602 Qed Inc 5875 S Decatur Blvd Las Vegas NV 89118 QEP ENERGY CO 1050 17TH STREET SUITE 500 Denver CO 80265-1050 Qep Energy Co PO Box 204033 Dallas TX 75320-4033 Qep Energy Co Attn Revenue Accounting PO Box 204028 Dallas TX 75320-4028 Qep Energy Company 1050 17th St Ste 800 Denver CO 80265-2008 Qep Energy Company PO Box 204028 Dallas TX 75320-4028 John F. Shepherd QEP Energy Company Holland & Hart LLP Tina Van Bockern 555 17th Street # 3200 Denver CO 80202 QEP FIELD SERVICES LLC 19100 RIDGEWOOD PARKWAY San Antonio TX 78259 QEP FIELD SERVICES LLC ATTN: AREA MANAGER 19100 RIDGEWOOD PARKWAY San Antonio TX 78269 QEP FIELD SERVICES LLC ATTN: GENERAL COUNSEL 19100 RIDGEWOOD PARKWAY San Antonio TX 78259 QEP FIELD SERVICES, LLC ATTN: AREA MANAGER 19100 RIDGEWOOD PARKWAY San Antonio TX 78259

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 479 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 482 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Attn: Area Manager, Pipeline And Qep Field Services, LLC Terminals Nd And Mt 19100 Ridgewood Parkway San Antonio TX 78259 Qep Field Services, LLC Attn: Billing Services 19100 Ridgewood Parkway San Antonio TX 78259 Qep Field Services, LLC Attn: General Counsel 19100 Ridgewood Parkway San Antonio TX 78259 Attn: Vp, Engineering And Major Qep Field Services, LLC Projects 19100 Ridgewood Parkway San Antonio TX 78259 QEP FIELD SERVICES, LLC P.O. BOX 871 Tulsa OK 74102-0871 Qes Pressure Pumping LLC Dept 970 Po Box 4346 Houston TX 77210-4346 Consumer Lease Services Acct # 432- Qlt 758-2824 Po Box 78973 Phoenix AZ 85062-8973 QPC 3, LP QPC INC GEN PTNR Q P COURTNEY III, PRES PO BOX 10004 Midland TX 79702-7004 Qpc3 LP PO Box 10004 Midland TX 79702 Qpc Inc Gen Ptnr Q P Courtney Iii, Qpc3 LP Pres PO Box 10004 Midland TX 79702-7004 QPC3 LP QPC INC GEN PTNR Q P COURTNEY III, PRES PO BOX 10004 Midland TX 79702-7004 Qpc3 LP Qpc Inc Gen Ptnr Q P Courtney Iii, Pres PO Box 10004 Midland TX 79702-7004 Quail Creek Royalty LLC Xto Energy Inc Agent PO Box 730586 Dallas TX 75373-0586 Quail Tools LLP PO Box 10739 New Iberia LA 70562-0739 Quain & Lorraine Kudrna Irrevoc Mineral Trust Quain Kudrna & Lorraine Kudrna Trustees Address Redacted Quale Trucking LLC 9552 41st Street Nw New Town ND 58763 Qualia Interests LLC PO Box 991 Midland TX 79702 Quality Mat Of North Dakota Llc 6550 Tram Rd Beaumont TX 77713 Quality Quick Print Inc Dba Copy Xpress 33 1st Avenue W Dickinson ND 58601 Quandt, Darwin Address Redacted Quantum Measurement Services 11541 Hwy 23 Watford City ND 58854 Quantum Properties Inc PO Box 820467 Houston TX 77282 QUANTUM PROPERTIES INC PO BOX 820467 Houston TX 77282 Quartz Royalty LLC PO Box 1433 Chickasha OK 73023 Quellhorst, Josh Address Redacted Quentin E Kubas Address Redacted Quentin Earl Hall Address Redacted Quentin Hancock C/O Mark Tokarski Address Redacted Quentin Oil Associates LLLP C/O Steven L Waters PO Box 61247 Denver CO 80206 Questar Energy Services P O Box 45360 Salt Lake City UT 84145-0360 Questar Expl And Prod Co Salt Lake City UT 84145-0601 Questar Gas Company PO Box 27031 Richmond VA 23261-7031 Questor Solutions & Technology Inc 15330 Flight Path Dr Brooksville FL 34604 QUESTOR SOLUTIONS & TECHNOLOGY INC INC 15330 FLIGHT PATH DR Brooksville FL 34604 QUESTOR SOLUTIONS & TECHNOLOGY INC-8596 INC 15330 FLIGHT PATH DR Brooksville FL 34604 Questor Technology, Inc. Dan Zivkusic 2240, 140 - 4 Avenue SW Calgary AB T2P3N3 Canada Questrade Inc./CDS** Corporate Actions 5650 Yonge Street Suite 1700 Toronto ON M2m 4g3 Canada Quick Connectors Incorporated 5226 Brittmoore Houston TX 77041 Quientesa Royalty LP 508 W Wall St Ste 1220 Midland TX 79701-5086 Quill Attn: Tom Riggleman 7 Technology Circle Columbia SC 29203 Quill Corporation PO Box 37600 Philadelphia PA 19101-0600 QUILL CORPORATION PO BOX 37600 Philadelphia PA 19101-0600 Quin Rasmussen 2120 S Reserve St Missoula MT 59801-6451 Quinlan, Kelley Address Redacted Quinn D Parker Address Redacted Quinn D Wahlstrom Address Redacted Quinn Pumps LLC 601 PO Box 733515 Dallas TX 75373-3515

Quinn Pumps LLC Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 Quinn Pumps LLC PO Box 677347 Dallas TX 75267-7347 Quinn Pumps Nd LLC PO Box 677396 Dallas TX 75267-7396 Quinnell, Lane Address Redacted Quintana Xl LP Address Redacted Quintex Corporation 2502 Ella Lee Lane Houston TX 77019-6313 Quintin Van Way Address Redacted Quintus, Dustin Address Redacted Quorum Business Solutions (Usa) Inc Po Box 205973 Dallas TX 75320-5973 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 480 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 483 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Quorum Business Solutions (U.S.A.), Inc. Contracts 811 Main Street Suite 2000 Houston TX 77002 QUORUM BUSINESS SOLUTIONS, INC. P.O. BOX 58965 Houston TX 77258-8965 Qvale Family Trust Leslie & Monica Qvale Address Redacted Qwest Corporation 100 Centurylink Drive Monroe LA 71203 c/o Centurylink Communications, LLC - Qwest Corporation dba CenturyLink QC Bankruptcy Attn: Legal-BKY 1025 El Dorado Blvd Brookmfield CO 80021 Centurylink Communications - Qwest Corporation dba CenturyLink QC Bankruptcy 220 N 5th St Bismarck ND 58501 R & A Pedersen Holdings LLLP 2081 137th Avenue Nw Arnegard ND 58835 R & D Pipe Company 18807 Mountain Shade Drive Spring TX 77388 R & D Pumping Inc PO Box 78 Westhope ND 58793 R & I Sheldon LLC 10971 60th St Nw Tioga ND 58852 R & J Baker LLLP 5235 Howard'S Point Rd Excelsior MN 55331 R & J Hansen Properties LLLP Allen Schlag, Agent 9001 Lincoln Rd Bismarck ND 58504 R & J Lind Minerals Trust Laurie A Abell Trustee Address Redacted R & J Lind Minerals Trust Laurie A Abell Trustee For The Life Of Dorothy Lynch Address Redacted R & R Oilfield Services & Pressure Testing 12218 302nd Ave Mound City SD 57646 R & R Royalty Ltd 500 N Shoreline Suite 322 Corpus Christi TX 78401-0313

R & S Buresh Mineral Trust Ronald F Buresh - Trustee 226 Palm Beach Road Dickinson ND 58601 R & S Well Service Inc PO Box 205763 Dallas TX 75320-5763 R & T Water Supply Assoc PO Box 126 Ray ND 58849-0126 R Alan Woodard Address Redacted R Allen Kolodejchuk Address Redacted R Arlen Kolodejchuk Address Redacted R Arlene Vallely Address Redacted R Arthur Kolodejchuk Address Redacted R Bradley Elder Trust Address Redacted R Byrne Vickers Address Redacted R D Jones Inc PO Box 960155 Oklahoma City OK 73196-0155 R Darryl Primo Address Redacted R E & C J Lc Attn Robert & Carol Mcdougall Address Redacted R E And L Olson Family Trust Valerie A Mortenson & Karla J Syverson Co-Ttes Address Redacted R E Guest C/O Guest Petroleum Inc Dba R E Guest Oil Production PO Box 805 Edmond OK 73083

R E Harding Jr Res Trust J P Ritchie & P Admire-Trustee Address Redacted R F Beauchamp Address Redacted R F Wilson Address Redacted R G Storey & Sons 3225 Edwards Dr Plano TX 75025 R Gordon Appleman Address Redacted R H Gifford Inc Address Redacted R H Johnson Address Redacted R J Gardner Clk Company PO Box 6018 Metairie LA 70009 R J Stewart Address Redacted R J Stewart & Carmen E Stewart Joint Tenants Address Redacted R John Bessel Address Redacted R K Houston Address Redacted R K O'Connell Address Redacted R L & BOBBY POWELL RANCH LTD 3100 S MCGREGOR ROAD Coahoma TX 79511 R L & BOBBY POWELL RANCH LTD 3100 S MCGREGOR ROAD Coahoma TX 79511 R L Bolin Properties Ltd 4245 Kemp Blvd Ste 316 Wichita Falls TX 76308 R L Higgins Address Redacted R L York Company 50401 Highway 52 North Box 853 Kenmare ND 58746 R M Crout Estate C/O Bettye B Crout Address Redacted R M Martin Address Redacted R M Nelson Address Redacted R O Torgerson Address Redacted R Randall Schenkel & Rose Iris Schenkel, Trustee Utd 5- 25-91 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 481 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 484 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country R Royall Tstee U/W Fannie John May Royall Address Redacted R W Jones Trucking Co Inc PO Box 1785 Vernal UT 84078 R W Scott Investments LLC 1275 Lupine Way Golden CO 80401 R W Thompson, Deceased Address Redacted R&J Kudrna Mineral Trust Rodney C Kudrna & Judith M Kudrna, Trustees Address Redacted R&J Minerals LLC 742 Avenida Estancia Apt E Venice FL 34292 R&R Oilfield Services & Pressure Testing 12218 302nd Ave Mound City SD 57646 R&T Water District PO Box 126 6392 114th Ave NW Ray ND 58849 R.G. Greer Minot ND 58701 R.J. Mann and Associates, Inc. Address Redacted R.L. Allardyce Address Redacted R.M. Martin Address Redacted R.P.M. Swabbing Service, Inc. Randy Ray Pozzi PO Box 3106 Victoria TX 77903 R3 Industrial Cleaning Services Llc Po Box 64369 Lubbock TX 79464 R360 Environmental Solutions Inc Po Box 671792 Dallas TX 75267-1792 Rabinowitz Security Trust Judith Tycher, Trustee Address Redacted RACER O&G Address Redacted RACER OIL PO BOX 1548 Murray KY 42071 Racer Oil & Gas LLC PO Box 1548 Murray KY 42071 RACER OIL & GAS LLC PO BOX 1548 Murray KY 42071 Rachael Jaye Esbrook Address Redacted Rachal, Mistie Address Redacted Rachel A Bernard Life Estate Address Redacted Rachel A Hensley Address Redacted Rachel B Collins Address Redacted Rachel Bergstrom Address Redacted Rachel Boe Address Redacted Rachel E Murphy Address Redacted Rachel Elizabeth Colton Address Redacted Rachel Irvin Address Redacted Rachel J Dukart Address Redacted Rachel K Bunot Address Redacted Rachel L Dennis Address Redacted Rachel O Williams Address Redacted Rachel P Seith Address Redacted Rachel R Neff Address Redacted Rachel T Smith Address Redacted Rachelle K Rykowsky Address Redacted Rachelle Liesener Address Redacted RACKSPACE 5000 WALZEM ROAD San Antonio TX 78218 Rackspace Us Inc PO Box 732497 Dallas TX 75373-2497 RACKSPACE, US INC. 1 FANATICAL PL Windcrest TX 78218 Racquel Dalton Address Redacted Radar Operating Company 60 Sarasue Lane Wichita Falls TX 76302 Radiation Pros LLC 14 Inverness Dr East Ste A-220 Englewood CO 80112 Radine A Campbell Address Redacted Rae Ann Peterson Address Redacted Rae Jean Koch Address Redacted Rae Lavon Sletten Address Redacted Rae Lynn Hansen Address Redacted Rae Pullen Alexakos Revoc Living Trust Rae Pullen Alexakos Trustee Address Redacted Raeanne M Wolfswinkel Address Redacted Raeanne M Wolfswinkel c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Rafe Espinoza Address Redacted Rafe R Espinoza Address Redacted Ragan Petroleum Inc PO Box 52305 Lafayette LA 70505-2305 Ragan Petroleum Inc PO Box 52305 Lafayette LA 70505 Ragna Innleggen Address Redacted Ragna Ring Karen Sillerud Poa Address Redacted Rahm T Mcdaniel Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 482 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 485 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country c/o Office of the Attorney General of Attn: Jason B. Binford & Abigail Bankruptcy & Collections Railroad Commission of Texas Texas Ryan PO Box 12548 - MC 008 Division Austin TX 78711-2548 Railroad Commission of Texas Office of General Counsel PO Box 12967 Austin TX 78711-2967 Oil & Gas Division Railroad Commission Of Texas Permitting/Production Section Po Box 12967 1701 N Congress Austin TX 78711-2967 Permitting/Production, P-5 Financial Railroad Commission Of Texas, Oil & Gas Div. Assurance Section Po Box 12967 Austin TX 78711-2967 Rain For Rent Industrial Rental File 52541 Los Angeles CA 90074-2541 Rain Tree Royalties PO Box 54315 Oklahoma City OK 73154 RAINBOW 260 LINCOLN TOWER BLDG Denver CO 80203 RAINBOW ENERGY 260 LINCOLN TOWER BLDG Denver CO 80203 Rainbow Energy Marketing Corp 919 S 7th St Ste 405 Bismarck ND 58504 RAINBOW ENERGY MARKETING CORP 919 S 7TH ST STE 405 Bismarck ND 58504 RAINBOW GAS COMPANY 919 S 7TH STREET SUITE 405 Bismarck ND 58405 Rainbow Resources Inc 260 Lincoln Tower Bldg Denver CO 80203 Rainer Wallenfels Postenska Kutija 19 Slantschev Brjag 8240 Rainer, Jay Address Redacted Raines, Michael Address Redacted Rainy Day LLC 339 Indian Paintbrush Dr Golden CO 80401 Raisa Dj Basin I LP Attn Luis Rodriguez 1560 Broadway Ste 2050 Denver CO 80202-5168 Raisa Ii LLC PO Box 987 Denver CO 80201 Raisa Ii Minerals LLC PO Box 987 Denver CO 80201 Raisa Ii, LLC PO Box 987 Denver CO 80201 Ralph A Christensen Jr C/O Bokf Na Agent Address Redacted Ralph C Lohse Trust Dtd 1-19-72 - First National Bank In Williston - Trustee Address Redacted Ralph Coldewey Address Redacted

Ralph D Kingsbury & Cheryl D Kingsbury Joint Tenants Address Redacted Ralph D Law Address Redacted Ralph D Lee Address Redacted Ralph E & Dorothy J Stienstra Trust Dtd 4/21/89 Dorothy J & Bradley R Stienstra Co Trustee Address Redacted Ralph E Chase Eileen H Chase Address Redacted Ralph E Chase Jr Address Redacted Ralph E Hall Address Redacted Ralph E Routledge Address Redacted Ralph E Scissons Address Redacted Ralph Emerson Pray Address Redacted Ralph Froehlich Address Redacted Ralph Froehlich & Barbara J Froehlich H/W As J/T Address Redacted Ralph H Armentrout Address Redacted Ralph Lamar Mahoney Address Redacted Ralph Lee Ziesmer III Address Redacted Ralph Maddox Family Trust L Lowry Mays Successor Ttee Address Redacted Ralph Sellers Estate C/O Richard Sellers Address Redacted Ralph Skare Address Redacted Ram Computer Supply Inc 14901 E Hampden Ave Suite 315 Aurora CO 80014 Ram Foundation PO Box 13639 Arlington TX 76904 Ram Land Services LLC PO Box 99 Manti UT 84642 Ramada Grand Dakota Lodge 532 15th Street West Dickinson ND 58601 Ramaker, Benjamin Address Redacted ramez anies nasief anies Address Redacted Ramkota Hotel Bismarck 800 South 3rd St Bismarck ND 58504-5728 RAMONA & MICHAEL LACEY Address Redacted Ramona & Michael Lacey Farms Address Redacted Ramona & Michael Lacey Farms Partnership Address Redacted Ramona Gay Deherrera Address Redacted Ramona L Meduna Address Redacted Ramona L Schlenker Address Redacted Ramona R Edwards Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 483 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 486 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ramona S Fraase And Ron Fraase Trustees Under A Declar Of Tr Dtd 40130 Address Redacted Ramshorn Investments Inc 515 W Greens Rd Ste 1000 Houston TX 77067 Ramya Tadi Address Redacted RAN KIM Address Redacted Rana Energy Co Lp 124 North Division St Suite A Traverse City MI 49684-2263 Rancho Las Margaritas Ltd 30239 Fairway Run Drive Fair Oaks Ranch TX 78015 Randa E Cannon Address Redacted Randal Baxter Address Redacted Randal C Boltz Address Redacted Randal Hutzenbiler Address Redacted Randal Tweden Address Redacted Randall A Nelson Estate Todd W Nelson - Pr Address Redacted Randall A Richardson Address Redacted Randall A Selvig And Dawn R Selvig Hw Address Redacted Randall B Rice Address Redacted Randall Baker Address Redacted RANDALL C & SUSAN K MOSSER Address Redacted Randall C & Susan K Mosser Aka Randy Mosser Address Redacted Randall C Lee Address Redacted Randall C Mosser Address Redacted Randall Capps Address Redacted Randall Capps D/B/A Hnl Royalty Company Address Redacted Randall Capps Dba Hnl Royalty Company Address Redacted Randall Carmen Anderson Address Redacted Randall Carpenter Address Redacted Randall D Feist Address Redacted Randall D Stevenson Address Redacted Randall Dahl Address Redacted Randall Dean Solberg Address Redacted Randall E Hickel Address Redacted Randall E Peters Address Redacted Randall Eisemann Address Redacted Randall H Bruins Address Redacted Randall H Peterson Address Redacted Randall J Odermann Address Redacted Randall K Gearhart Address Redacted Randall Lee Abram Address Redacted Randall Lee Estate C/O Pringle & Herigstad Address Redacted Randall M Acosta Address Redacted Randall Mccloud Address Redacted RANDALL OLSON Address Redacted Randall Plain Address Redacted Randall R Haber And Stephanie R Haber H/W Address Redacted Randall S Cottingham Address Redacted Randall S Dean Address Redacted Randall Shaw Dottie Allen - Poa Address Redacted Randall Steffan Address Redacted Randall W Bingen Address Redacted Randall W Leacock Address Redacted Randall W Mcalmond Address Redacted Randall W Olson Living Trust Address Redacted Randall Wayne Donald & Teresa Kay Donald Address Redacted Randall, Nathan Address Redacted Rande J Ross Address Redacted Randel James Dillavou Address Redacted Randell A Anderson Address Redacted Randi Miller Address Redacted Randi Simon Address Redacted Randine Nelson Address Redacted Randolph A Buresh Revoc Lvg Tr Agr Dtd 5/14/08 Randolph A Buresh, Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 484 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 487 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Randolph Cameron Peterson Address Redacted Randolph E Engemoen Address Redacted Randolph Louis Stevens Address Redacted Randolph P Kuntz Address Redacted Randon B Locken Address Redacted RANDY & ANDREA MULL Address Redacted RANDY & LINDA KLEINJAN Address Redacted Randy & Linda Kleinjan Jt Address Redacted Randy & Mary Kindel Jt Address Redacted Randy A Kuehn, Richard E Kuehn & Ronald L Kuehn Joint Tenants Address Redacted Randy A Quale & Anita R Quale Address Redacted Randy Aho Address Redacted Randy Allen Kuehn Address Redacted RANDY AND LINDA KLEINJAN Address Redacted Randy Bjella Address Redacted Randy D Huffman Address Redacted Randy D Rummel Address Redacted Randy Dukart Address Redacted Randy Geiselman Address Redacted Randy Gieseke Address Redacted Randy Gumm Address Redacted RANDY GUMMN Address Redacted Randy Hill Address Redacted Randy Jarmin Address Redacted RANDY KLEINJAN AND LINDA KLEINJAN, H/W, JT Address Redacted Randy L Falcon Address Redacted Randy L Hurst Address Redacted Randy L Peters Address Redacted Randy L Soriano Address Redacted Randy L Walters Address Redacted Randy Larsen Address Redacted Randy Lee Turner Address Redacted Randy Lucassen Address Redacted Randy Nesseth Jr Address Redacted Randy Norby And Joan Norby Address Redacted Randy Oeser Address Redacted RANDY P EVERETT AND BRENDA H EVERETT Address Redacted Randy Paul Address Redacted Randy Praus Address Redacted Randy Raan Address Redacted Randy Rang Address Redacted Randy Richard Address Redacted Randy S Erickson Address Redacted Randy S Parker Address Redacted Randy Schwartz Address Redacted Randy Sherven Address Redacted Randy Sonneman Address Redacted Randy T. Livesay Address Redacted Randy Tjelde Address Redacted Randy W Schow Address Redacted Randy W. Anderson Address Redacted Randy Wolfgram Address Redacted Randys Welding Inc PO Box 483 Bowman ND 58623 Ranelle Turman Address Redacted Ranger Energy Services LLC 800 Gessner Ste 1000 Houston TX 77024 Rannug Resources Usa Ltd 2204 Louisiana Second Floor Houston TX 77002 Ranum Family LLLP PO Box 238 Stanley ND 58784-0238 Rapala Royalties LLC 27 North 27Th Street Billings MT 59101 Rapid Transport Ltd PO Drawer L Kermit TX 79745 Rapid7 LLC Lockbox Po Box 347377 Pittsburgh PA 15251-4377 RAPID7, LLC 120 CAUSEWAY STREET SUITE 400 Boston MA 02114 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 485 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 488 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Raptor Industries LLC PO Box 679390 Dallas TX 75267-9390 Raptor Lift Solutions LLC PO Box 672126 Houston TX 77267 Raptor Resources LLC 10390 39th St North, Ste 4 Lake Elmo MN 55042 RAPTOR RESOURCES LLC 10390 39TH ST NORTH, STE 4 Lake Elmo MN 55042 RAPTOR TECHNOLOGIES 631 W 22ND ST Houston TX 77008 Raptor Technologies Inc Dept 141 PO Box 4458 Houston TX 77210-4458 Rara4 Investments Ltd 5804 Edwards Ranch Road Fort Worth TX 76109 Raro Corp 500 North Akard Street #3540 Dallas TX 75201 Rasmussen, Dalton Address Redacted Rattlesnake Field Services PO Box 1197 Worland WY 82401 Rau, Ed Address Redacted Rauland Resources Company 4 Lakeview Hills 2 Brule NE 69127 Rauser Family Farm Trust Address Redacted RAUSER FAMILY TRUST Address Redacted Rave Energy Inc 777 Walker Street Suite 2500 Houston TX 77002 Raven Ridge Pipeline Company Address Redacted Rawhide Resources 510 South Gillette Avenue Gillette WY 82716 Rawlinson Oil & Gas Properties PO Box 1467 Cannon Beach OR 97110

Rawson Mineral Trust C/O Jerolyn Elder-Blackburn Ttee Address Redacted Ray A Goldberg Address Redacted Ray A Mork Revocable Living Tr Ray A Mork Trustee Dtd 12/29/11 Address Redacted Ray A Rykowski Address Redacted Ray Bowkus Address Redacted Ray Brablec Address Redacted Ray Brickman Address Redacted Ray D Unterseher Address Redacted Ray E Jones Address Redacted Ray E Mcnetton Address Redacted Ray Energy LLC 1127 Nw 25th St Oklahoma City OK 73106 Ray Everett Stair Address Redacted Ray F Trumpower Cheryl L Trumpower Address Redacted Ray Foreman Family Mineral Trust Ronald Ray Foreman, Ttee Address Redacted Ray J & Katherine F Hecker Living Trust - Ray & Katherine Hecker - Trustees Address Redacted Ray J Hecker And Katherine F Hecker Address Redacted Ray Jones Address Redacted Ray L Brovold Address Redacted Ray L Carlson Address Redacted Ray L York Address Redacted Ray Lewis Baird Address Redacted Ray M Appling Address Redacted Ray Solem Foundation 5303 146th Avenue Se Bellevue WA 98006 Ray W Bair Address Redacted Ray W Dahl Address Redacted Rayann Bjella Lynch Address Redacted Rayetta K Haddrill Address Redacted Raylene Odegard Address Redacted Raymond & Jane Nd Minerals LLC 6101 Sw 4th St Topeka KS 66615-1001 Raymond & Monica Hushka Address Redacted Raymond A & Sherril A Domaskin Revocable Living Trust Dtd 12-17-14 Address Redacted Raymond A Finsaas Jr Joy Lindgren Poa Address Redacted Raymond A Grinde Address Redacted Raymond Alan Wachtman Trustee For Andrew R Wachtman Address Redacted Raymond And Luella Wold Address Redacted Raymond B Boltz Address Redacted Raymond Berg Address Redacted Raymond Brooks Kummer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 486 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 489 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Raymond C Mann Address Redacted Raymond C Miller Address Redacted Raymond C Olson Address Redacted Raymond C Thompson Address Redacted Raymond C Thompson Life Estate Address Redacted Raymond D Cartier Address Redacted Raymond D Helferich Rev Tst Penny Mcclure Richards Trustee Address Redacted Raymond D Unterseher Address Redacted Raymond D Walters Cindy Hart Attorney In Fact Address Redacted Raymond Duncan Machardy Address Redacted Raymond E & Donna Funk Address Redacted Raymond E & Lillian J Schmidt Joint Tenants Address Redacted Raymond E Moore Address Redacted Raymond E Papineau Address Redacted Raymond Ellingsen Le Betty J Smith Aif Address Redacted Raymond Guzman Address Redacted Raymond H Sands Address Redacted Raymond Hampton Address Redacted Raymond J & Kathleen Bren Life Estate And As Jt Address Redacted Raymond J Fertig Address Redacted Raymond J Hecker Address Redacted Raymond J Heupel Eldean Flath, Aif Address Redacted Raymond J Mattern Address Redacted Raymond J Myers Address Redacted Raymond James & Associates, Inc. Address Redacted Raymond James LTD./CDS** Address Redacted Raymond Joseph Samek Address Redacted Raymond L Henderson Address Redacted Raymond L Tollett Jr Trust Address Redacted Raymond Laycock Address Redacted Raymond Lopez Arriola Trustee Of The Raymond Lopez Arriola Sr Living Trust Address Redacted Raymond M Heath Address Redacted Raymond M Malkowski & Elsie J Malkowski J/T Address Redacted Raymond Mayer Legacy Trust Loene A Mayer - Succ Trustee Address Redacted

Raymond Mayer Legacy Trust Loene A Mayer Succ Ttee Address Redacted Raymond Mccloud Heirs Address Redacted Raymond Minard Campbell Jr Address Redacted Raymond Misemer Address Redacted Raymond Mrachek Revocable Trst Dated 12/04/12 Address Redacted Raymond Norgard Address Redacted Raymond Obrigewitsch Address Redacted Raymond Paluck Address Redacted Raymond Paluck & Mary Ann Paluck Joint Tenants Life Tenants Address Redacted Raymond Polensky & Donna R Polensky J/T Address Redacted Raymond R Hackley Address Redacted Raymond R Hall (Deceased) C/O Frank M Davis Attorney Attorney Unlocatable Address Redacted Raymond Resources Inc PO Box 113 Bismarck ND 58502-0113 RAYMOND RESOURCES INC PO BOX 113 Bismarck ND 58502-0113 Raymond Royce Butcher Address Redacted Raymond S Russell Address Redacted Raymond T Duncan Oil Properties Ltd 1777 S Harrison St #1300 Denver CO 80210 Raymond V Pierce Jr Address Redacted Raymond W & Rita A Richard Mineral Trust Raymond W Richard & Rita A Richard, Trustees Address Redacted Raynald Praus Address Redacted Rayor Betty Courtney Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 487 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 490 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

RBC CAPITAL MARKETS ATTN: RBC CAPITAL MARKETS LLC C/O RBC RICHARDSON BARR 609 MAIN STREET SUITE 3700 Houston TX 77002 Rbc Capital Markets LLC 609 Main Street Ste 3700 Houston TX 77002 Rbc Capital Markets, LLC Attn: Reorg Department 60 S 6th St Minneapolis MN 55402 CRAIG LANDE, MANAGING DIRECTOR C/O RBC RICHARDSON RBC CAPITAL MARKETS, LLC BARR 5209 ALLEN ST UNIT E Houston TX 77007-3884 Rbc Capital Markets, LLC Shannon Jones 60 S 6th St - P09 Minneapolis MN 55402-4400 Rbc Capital Markets, LLC Steve Schafer Sr Associate 60 S 6th St - P09 Minneapolis MN 55402-4400 Royal Bank Plaza North Rbc Dominion Securities Inc./CDS** Karen Oliveres 200 Bay Street, 6th Floor Tower Toronto ON M5j 2w7 Canada NORTH TOWER 6TH RBC DOMINION SECURITIES INC./CDS** PETER DRUMM 200 BAY ST ROYAL BK PLAZA FLOOR Toronto ON M5J 2W7 Canada Rbs Tools Inc PO Box 1253 Roosevelt UT 84066-1253 Rc Brown Investigations 1514 Arrowhead Road Highlands Ranch CO 80126-2128 Rcl Consulting Inc 3958 Bell Mountain Drive Castle Rock CO 80104 Rcptx Ltd 777 Taylor Street Suite 810 Fort Worth TX 76102 Rcs1 Investments LLC Address Redacted Rd Wayne Borsheim 3376 Wall Road Green Cove Springs FL 32043 Rdc Heim LLC 2313 - 8th Street East Dickinson ND 58601 Rdean Ventures LLC 106 10Th St West Velva ND 58790 Rdk Family LLC 5260 Fallgold Dr Loveland CO 80538 Rdmb Holdings Inc 3106 Druid Hill Dr Des Moines IA 50315-2121 Rdr Royalties LLC 777 Taylor St Ste 810 Fort Worth TX 76102 Rdwt LLC PO Box 51110 Casper WY 82605 Re And Lg Resources LLC 10676 67th Street Nw Tioga ND 58852 Rea, Jenny Address Redacted Readytalk PO Box 975375 Dallas TX 75397-5375 Realeza Del Spear LP PO Box 1684 Midland TX 79702 Reanne Kaesberger Address Redacted Reanne Kaesberger Life Estate Address Redacted Rearden Minerals LLC 5914 W Courtyard Dr Bldg Ii Ste 100 Austin TX 78730 Reato Ltd PO Box 2756 Casper WY 82602 Reatta Resources Inc C/O Roy Pritchard 1665 E Stone Rd Wylie TX 75098 Reaya Brandy Mechale 402 So Beck Ave #9 Tempe AZ 85281 REB CLARK Address Redacted Rebecca A Craft Address Redacted Rebecca A Gaede Address Redacted Rebecca A Gonzalez Address Redacted Rebecca A Schreuder Address Redacted Rebecca A Van Vorst Address Redacted Rebecca A Watkins Address Redacted Rebecca Andrews Address Redacted Rebecca Ann Canady Address Redacted Rebecca Ann Duffy Address Redacted Rebecca Ann Fetrow Address Redacted Rebecca Anne Jansen Address Redacted Rebecca Anne Ridge Address Redacted Rebecca Cassidy Address Redacted Rebecca Cronis Address Redacted Rebecca Elliot Address Redacted Rebecca Evans Stein Address Redacted Rebecca Fraley Address Redacted Rebecca J Conrad Address Redacted Rebecca J Fullerton Address Redacted Rebecca J Johnson Address Redacted Rebecca J Prince Address Redacted Rebecca J Uran Address Redacted Rebecca J Volney Revocable Trust Address Redacted Rebecca J Wheeler Address Redacted Rebecca K Garza Address Redacted Rebecca L Crawford Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 488 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 491 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rebecca Lenhart Address Redacted Rebecca Leone Tininenko Address Redacted Rebecca Mary Laporte Address Redacted Rebecca Meduna Address Redacted Rebecca Melland Address Redacted Rebecca Mrachek Address Redacted Rebecca Piper Address Redacted Rebecca Powell Address Redacted Rebecca Royall Address Redacted Rebecca Royall Trtee Of Tucker K Royall Tr Under Fannie May Royall Will Address Redacted Rebecca Royall Trust U/W/O Frances K Royall C/O Citizens Nat Bank Agent Address Redacted Rebecca Royall Uwo Tucker K Royall Rebecca Royall Trtee Address Redacted Rebecca S Rykowsky Address Redacted Rebecca S. Harrison Address Redacted Rebecca Y Dukart Address Redacted Rebekah Larson Address Redacted Rebekka Higgins Address Redacted

REBEKKA HIGGINS C/O HENNESSY LAW OFFICE, P.C. ATTN: GREG HENNESSY 417 1ST AVE EAST 100 WEST FIFTH STREET Williston ND 58802 Recast LLC 1645 Energy Park Dr Ste 100 St Paul MN 55108 RECAST SOFTWARE INC 275 MARKET ST SUITE 534 Minneapolis MN 55405 Recetus Maximus Associates LLC 1740 Wild Rose Court Highland Park IL 60035-5517 Reck Flyers LLC 7150 Hwy 392 Windsor CO 80550 Recol Inc Trustee Of The Qtip Trust Address Redacted Recon Oilfield Services Inc PO Box 314 Kenmare ND 58746 Record Keepers LLC 2101 8th Avenue North Fargo ND 58102 RECORD KEEPERS, LLC 2101 ITH AVENUE NORTH Fargo ND 58102 Red Bear Resources LLC 2820 West 24th Ave Denver CO 80211 Red Crown Royalties LLC Ron Horning Manager PO Box 888 Littleton CO 80160-0888 Red Dog Oil Tools, Inc P O Box 1844 Magnolia AR 71753 Red Dog Systems Inc Suite 1100, 639 5th Ave Sw Calgary AB T2P 0M9 Canada Red Gate Software Ltd PO Box 845066 Boston MA 02284-5066 RED HAT, INC. 100 EAST DAVIE STREET Raleigh NC 27601 Red Mountain Equipment & Supply Inc Po Box 447 Vernal UT 84078 RED OAK PIPELINE Address Redacted RED OAK PIPELINE LLC Address Redacted RED OAK PIPELINE LLC P.O. BOX 421959 Houston TX 77242-1959 Red Rhino Resources LLC PO Box 3155 Bismarck ND 58502 RED RHINO RESOURCES LLC PO BOX 3155 Bismarck ND 58502 Red River Resources Inc PO Box 366 Sidney MT 59270 RED RIVER RESOURCES INC PO BOX 366 Sidney MT 59270 Red River Supply Inc PO Box 1146 Williston ND 58802-1146 RED ROCK Address Redacted Red Rock Transportation Inc PO Box 646 Watford City ND 58854 Red Rocks Company LLC 511 16th St Ste 700 Denver CO 80202 Red Sandy Royalty LLC PO Box 1441 Denver CO 80201-1441 Red Sky Solutions LLC 11931 S 700 E Draper UT 84020 Red Wing Oil LLC PO Box 30277 Winston Salem NC 27130 Redbird Operating LLC 315 S Broadway Ste 105 Tyler TX 75702 Redd Royalties LP P O Box 247 La Sal UT 84530 Red-D-Arc Inc PO Box 532618 Atlanta GA 30353-2618 Redeemer Lutheran Church 711 10th Ave West Dickinson ND 58601 Redge L Harding Address Redacted Redi Services LLC PO Box 310 Lyman WY 82937 Redmond Family Mineral Trust Dtd Sept 27 2011 - Francis Redmond & Gail Dancer Co-Ttee Address Redacted Redstone Investments LLC PO Box 2439 Evergreen CO 80437 Redstone Investments, LLC c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Redstone Investments, LLC J. Stephen Mercer PO BOX 2439 Evergreen CO 80437 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 489 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 492 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Redtail Resources LLC 2561 S 125th Omaha NE 68144 Ree E Foster Address Redacted Reece, Adrian Address Redacted Reed A Soderstrom Address Redacted Reed Atkinson Stanton Address Redacted Reed D Feist Address Redacted Reed Gilmore & Priscilla Gilmore (Le) Address Redacted Reed Hawn Address Redacted Reed, Benjamin Address Redacted 1901 N CENTRAL EXPRESSWAY REEF 2011 #300 Richardson TX 75080 Reef 2011 Private Drlng Fnd LP Attn Charles M Fife Iii Address Redacted REEF 2012 1901 NORTH CENTRAL EXPWY #300 Richardson TX 75080 Reef 2012 A Private Drilling Fund LP 1901 North Central Expwy, #300 Richardson TX 75080 Rees, Ty Address Redacted Reeta J Arneson Address Redacted c/o Linebrager Goggan Blair & Reeves County Sampson LLP Attn: Don Stecker 112 E Pecan Street Suite 2200 San Antonio TX 78205 Reeves County Tax Assessor Collector Po Box 700 Pecos TX 79772 Reeves County Tax District PO Box 700 Pecos TX 79772-0700 c/o McCreary, Veselka, Bragg & Allen, Reeves County Tax District P.C. Attn: Tara LeDay PO Box 1269 Round Rock TX 78680 Reeves County, TX Treasurer 100 E 4th St #104 Pecos TX 79772 Refine Search LLC 2244 Eudora St Denver CO 80207-3813 Refinery Specialties Inc PO Box 577 Hempstead TX 77445-0577 Reflections Data Consulting Llc 1173 Crystal Basin Dr Colorado Springs CO 80921 Reg Alex Saybrook Address Redacted Regan Kay Gammon Address Redacted Regan M Taylor And Anndee Taylor H/W Address Redacted Regan, Michael Address Redacted Regency Energy Services LLC 1648 S Cushman St Ste 205 Fairbanks AK 99701 Regent Oil & Gas Company LP PO Box 25204 Dallas TX 75225 Regents Of The University Of Minnesota C/O Real Estate Office Address Redacted Reger Oil LLC PO Box 1782 Billings MT 59103 REGER OIL LLC PO BOX 1782 Billings MT 59103 Reger, Thomas Address Redacted Regina Evoniuk Address Redacted Regina Jeter Address Redacted Regina K & Dale L Thomas Joint Tenants Address Redacted Regina M Donahue & Mary Richer Joint Tenants Address Redacted Reginald L Loudermilk Address Redacted Reginald Laurence And Gladys Enid Knowles 1992 Revocable Trust Address Redacted Regine S Behling Address Redacted Regional Marketing Group LLC Attn: Barry Glenn McDaniel PO Box 219066 Houston TX 77218 Regional Marketing Group LLC Guillermo Camargo 6607 Misty Creek Missouri City TX 77459

Regions Bank c/o Kane Russell Coleman Logan PC Attn: Joseph M. Coleman 901 Main Street Suite 5200 Dallas TX 75202 REGIONS BANK Legal Department 1900 5th Ave N Birmingham AL 35203-2610 Regions Bank Agent For Ttees #2 Holman Educational Trust For Mckendree University PO Box 23100 Jackson MS 39225-3100 REGUS MANAGEMENT GROUP LLC PO BOX 842456 Dallas TX 75284-2456 REGUS MANAGEMENT GROUP, LLC 700 MILAM SUITE 1300 Houston TX 77002 Rehak, Chase Address Redacted

Rehmeyer Family LP C/O Catoico Resources Mgmt LP PO Box 53567 Midland TX 79710 REI BAKKEN 1901 N CENTRAL EXPY STE 300 Richardson TX 75080 Rei Bakken Partners 1901 N Central Expy Ste 300 Richardson TX 75080 REI BAKKEN PARTNERS 1901 N CENTRAL EXPY STE 300 Richardson TX 75080 Reichert Family Irrevocable Trust Thomas W Reichert Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 490 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 493 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Reid Family Trust Janet R Van Coblijn Trtee Address Redacted Reid Tinling Address Redacted Reilly Daniel Tst Under Last Will & Test Of Lorraine Arcand Kimberly J Daniel Ttee Address Redacted Reindeer Mineral Partners LLC Address Redacted Reindel, Justin Address Redacted Reinisch, Nicholas Address Redacted Reiser & Company PO Box 4690 Lake Charles LA 70606 Reiste Family Rentals LLC 2719 Longview Ct La Crosse WI 54601 Reiter, Trevor Address Redacted Reladyne West LLC PO Box 954039 St Louis MO 63195-4039 Relevant Solutions LLC PO Box 671626 Dallas TX 75267 500 NORTHPARK RELIANCE TRUST COMPANY/FIS GLOBAL PLUS CORPORATE ACTIONS 1100 ABERNATHY ROAD BUILDING SUITE 400 Atlanta GA 30328 Reliance Trust Company/Fis Global Plus Corporate Actions 201 17th St NW Ste 1000 Atlanta GA 30363-1195 500 NORTHPARK BUILDING RELIANCE TRUST COMPANY/FIS TRUSTDESK MKE CORPORATE ACTIONS JULIE MCGUINESS 1100 ABERNATHY ROAD SUITE 400 Atlanta GA 30328 Reliance Trust Company/Fis Trustdesk Mke Corporate Actions Julie Mcguiness 201 17th St NW Ste 1000 Atlanta GA 30363-1195 Rella M Abernethy Address Redacted Rellergert Family Tr Dtd 6/12/13 Mary Lois Rellergert Trtee Address Redacted Remora Oil Company PO Box 101026 Denver CO 80250-1026 Remuda Energy Development LLC 2708 1St Ave N Ste 200 Billings MT 59101 Rena & Ronnie Iverson J/T Address Redacted Rena D Weidman Address Redacted Rena M Bellinger Address Redacted Renae C Riggins Address Redacted Renae D Tank Address Redacted Renae Fisher Address Redacted Renae Lee Battiato Address Redacted Renae Meisner Address Redacted Renbarger 24-33-1H - Unknown Address Redacted Renbarger 24-33-1Tfh - Unknown Address Redacted Renbarger 24-33-2H - Unknown Address Redacted Rendell Johnson Jr Address Redacted Rene Heredia Nieves Address Redacted Rene Michelle Griffen Address Redacted Renee A Haas Address Redacted Renee D Lowenstein Address Redacted Renee Davey Address Redacted Renee Karsky Rucker Address Redacted Renee Komlofske Address Redacted Renee L Sundheim Address Redacted Renee M Bergman Address Redacted Renee Mariee Babb Address Redacted Renee Mayer Address Redacted Renee Swenson Address Redacted Renee Taylor Address Redacted Renee Troudt Address Redacted Renee V Resberg Address Redacted Renee Westaby Address Redacted Renegade Resources LLC 1200 17th St Floor 27 Denver CO 80202 Renel Bazile Address Redacted Renette Bailey-Nolan Address Redacted Renita Obrien Address Redacted Renken, Vince Address Redacted Rennae Carscallen Kato Address Redacted Rennerfeldt - Dorchester Deck Address Redacted Rennerfeldt Enterprises LLC 1704 Rose Ln Williston ND 58801-4362 RENNERFELDT ENTERPRISES LLC 269 COUNTY RD Tenafly NJ 07670 Rennerfeldt Holdings LLP 1704 Rose Lane Williston ND 58801 Rennerfeldt Mineral Trust Carter R Rennerfeldt Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 491 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 494 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Renny L Hagen Address Redacted Reno Minerals LLLP 4769 Kg Rd Belfield ND 58622-9194 Rentokil North America PA 19610 Repnet Inc 10740 Lyndale Ave So Ste 16W Bloomington MN 55420 Repsol Oil & Gas USA, LLC, F/K/A Talisman Energy USA, Inc. C/O CT Corporation System 1999 Bryan Street Suite 900 Dallas TX 75201 Republic Services Inc 18500 North Allied Way Phoenix AZ 85054 Republic Services Inc PO Box 78829 Phoenix AZ 85062-8829 Republic Services Inc PO Box 840730 Dallas TX 75284-0730 Republican Attorneys General Association 1747 Pennsylvania Ave Nw Ste 800 Washington DC 20006 Republican Governors Assoc 1747 Pennsylvania Ave Nw Suite 250 Washington DC 20006 RESELLER: GENERAL NETWORKS CORP 3524 OCEAN VIEW BLVD Glendale CA 91208 Reservation Telephone Cooperative 24 N Main St Po Box 68 Parshall ND 58770-0068 RESERVATION TELEPHONE COOPERATIVE 24 N MAIN ST PO BOX 68 Parshall ND 58770-0068 RESERVATION TELEPHONE COOPERATIVE 24 N MAIN PO BOX 68 Parshall ND 58770 Reservation Telephone Cooperative 24 N Main St PO Box 68 Parshall ND 58770-0068 RESERVATION TELEPHONE COOPERATIVE 24 N MAIN PO BOX 68 Parshall ND 58770 Reserve Energy & Mineral Co C/O Lee G Hanson PO Box 482 Pine Grove CA 95665-0482 Reserve Industries Corp 20 1St Plaza Ste 308 Albuquerque NM 87102 Reservoir Rock Technologies C/O Farlin Mohideen 9 De Laeter Way Bentley Wa 6102 Australia Resfeber LLC 12853 Terrace Lane Little Falls MN 56345 RESFEBER LLC 12853 TERRACE LANE Little Falls MN 56345 Residuary Trusts A&B Mary Ann Malone Co-Trustee Stephen S Mark Co-Trustee Address Redacted Resource Development Tech LLC PO Box 1020 Morrison CO 80465 Resources Energy Can-Am LLC 1805 Shea Center Dr Ste # 100 Highlands Ranch CO 80129 RESOURCES ENERGY CAN-AM, LLC 1805 SHEA CENTER DR. STE. 100 Highlands Ranch CO 80129 Restad Family LLP Address Redacted Restad Family LLP c/o Vogel Law Firm Attn: Caren W. Stanley 218 NP Ave PO Box 1389 Fargo ND 58107-1389 Reta Hirsch Exempt Trust Ret Hirsch, Ttee Address Redacted Retamco Operating Inc PO Box 790 Red Lodge MT 59068 RETAMCO OPERATING INC PO BOX 790 Red Lodge MT 59068 RETAMCO OPERATING, INC PO BOX 790 Red Lodge MT 59068 RETHA M NETZ Address Redacted Retha Mae Netz & Duane Netz Address Redacted Retova Resources LP 1873 S Bellaire St Ste 900 Denver CO 80222

Reuben G Herfindahl Estate C/O Grant Herfindahl - Poa Address Redacted Reuben M Staffeld Address Redacted Reuben Tatum Jr Address Redacted Reuter, Jesse Address Redacted Rev Living Trust Of William J Address Redacted Rev Neal Pfister Address Redacted Rev Valerian Odermann Address Redacted Reva B Laughlin Address Redacted Revenew International LLC Attn: Accounts Receivable 9 Greenway Plaza Ste 1950 Houston TX 77046 Revin Lee Stoker Address Redacted Revocable Living Trust Of Beverly A Wood Beverley A Wood - Trustee Address Redacted Revocable Trust Of Darlyne Ruth Hatten Clark Allan Gainer Jr - Tr Address Redacted Revocable Trust Pa86 Dtd 1/24/86 Patricia Alderman, Trustee Address Redacted Revolution Resource Partners PO Box 2708 Coppell TX 75019 Revrocks LLC PO Box 4038 Santa Fe NM 87502 Rex A Wederski Address Redacted Rex D Stout Address Redacted Rex Deeke Address Redacted Rex G Kessel Address Redacted Rex H Erps Address Redacted REX KORSLIEN Address Redacted Rex L. Nagy Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 492 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 495 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rex Mayer Address Redacted Rex Niles And Vess Hurley Address Redacted Rex P Fuller Address Redacted Rex R And Linda A Byerly Address Redacted Rex R Tanner Address Redacted Rex Stephen Hurd Address Redacted Rexel Inc PO Box 844519 Dallas TX 75284-4519 Rexel Usa Inc PO Box 844519 Dallas TX 75284-4519 Rey A Baribault Address Redacted Reynald A Baribault Living Trust Dtd 9-11-11 Address Redacted Reynald A Baribault Living Trust Dtd 9-11-11 Elizabeth M. Guffy - Locke Lord LLP 600 Travis Suite 2800 Houston TX 77002 REYNALD A. BARIBAULT LIVING TRUST, DATED SEPTEMBER 11, 2011 Address Redacted REYNALD A. BARIBAULT LIVING TRUST, DATED SEPTEMBER 11, 2011 Elizabeth M. Guffy - Locke Lord LLP 600 Travis Suite 2800 Houston TX 77002 Reynolds Cushman 2009 W Washington Pecos TX 79772 Reynolds E & P Inc 7591 Fern Avenue Suite 2001 Shreveport LA 71105 Reynolds Partners LP Address Redacted Rfm LLC C/O Bwab Inc 100 Saint Paul St #305 Denver CO 80206 Rgc Builders 730 17Th Street S-710 Denver CO 80202 RGD Trucking Inc ND 588019063 RGD Trucking Inc 5073 146th AVE NW Williston ND 58801-9063 Rgd Trucking Inc 5073 146th Ave Nw Williston ND 58801-9063 Rgkh Land And Royalty Trust Dated 11/01/95 Rocky R Svihl Trustee Address Redacted Rgkh Mineral & Royalty Trust Dtd 11-1-1995 Rocky R Svihl, Trustee Address Redacted Rhame Pump Repair & Supply Inc 1925 County Road 391 Pearland TX 77581 Rhea-Daire Gambill Address Redacted Rhiannon Simpson Address Redacted Rhimas Oil Properties 4302 Old Dominion Rd Arlington TX 76016 Rhinehart Oil Co Inc PO Box 418 American Fork UT 84003 Rhino Capital Holding LLC PO Box 8626 Shawnee Mission KS 66208-0626 Rhino Marking & Protection Systems 4200 W Old Shakopee Rd Ste 103 Bloomington MN 55437 Rhinokore Composite Solutions Usa Inc 538 W 21 Street #92690 Houston TX 77008-3642 Rhodes American Resources Inc PO Box 10108 Vancouver BC V7V 1C6 Canada Rhonda Byrd Address Redacted Rhonda F & Timothy L Cayko Address Redacted Rhonda F Cayko Address Redacted Rhonda F Pedersen Address Redacted Rhonda Finsaas Erickson Address Redacted Rhonda Gail Hunter Address Redacted Rhonda Gallaher Address Redacted Rhonda Hedington Address Redacted Rhonda J Mccurdy Address Redacted Rhonda Kiefer Address Redacted Rhonda Larmer Address Redacted Rhonda Lee Schettler Address Redacted Rhonda Lynn Scheid Address Redacted Rhonda M Collins Address Redacted Rhonda Maxon Address Redacted Rhonda S Flath Address Redacted Rial Genre C/O Lynnette Genre Address Redacted Rian Hansen Address Redacted Riatta Rentals 3330 I-80 Frontage Rd Cheyenne WY 82009 Rib Properties PO Box 164 Bay Springs MS 39422 Ric A Hovda Address Redacted Ricard A. Farber. IRA Address Redacted Ricardo A. Rosado Address Redacted Ricardo D Figueroa Address Redacted Rice Operating Company PO Box 5630 Hobbs NM 88240 Rice P York Jr Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 493 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 496 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country RICH CUB FAMILY TRUST Address Redacted Rich Cub Family Trust Richard C Fyke Trustee Address Redacted Rich Slagle Mineral Trust Rich Slagle Trustee Address Redacted Richard & Carolyn Blaine Address Redacted

Richard & Diana E Danielson Trustees Utd Dtd 05/13/02 Address Redacted Richard & Donna Thompson Address Redacted Richard & Eloise H Arens Jt Address Redacted Richard & Gladys Meiers J/T Address Redacted Richard & Karen Moe Life Estate Address Redacted Richard & Luanne Reid Family Trust Of 2002 Address Redacted Richard & Marjorie A Weiler Family Mineral Tr Richard & Marjorie A Weiler Co-Ttees Address Redacted Richard & Mary Jane Sebesta Address Redacted Richard & Virginia Schillinger Joint Tenants Address Redacted Richard A & Angela C Resell Jts Address Redacted Richard A & Karen K Arndt Address Redacted Richard A & Marilyn L Martin Trust Richard & Marilyn Martin - Trs Address Redacted Richard A Breslin Address Redacted Richard A Conn Md Address Redacted Richard A Edwards & Peggy J Edwards JT Ten Address Redacted Richard A Foss Address Redacted Richard A Haefele Address Redacted Richard A Haugen Address Redacted Richard A Huber Address Redacted Richard A Martin Address Redacted Richard A Mckennett Address Redacted Richard A Miksche Address Redacted Richard A Oachs Address Redacted Richard A Wisness Address Redacted Richard A Woodall Address Redacted Richard A Zablocki Address Redacted Richard A Zaruba Address Redacted Richard A Zimmiond Address Redacted Richard A. Laufer Address Redacted Richard A. Zaremba Address Redacted Richard Alan Beckman Address Redacted Richard Altman And Company Colorado State Bank A/C Richard Altman & Company Address Redacted Richard And Paula Hawkins Address Redacted Richard Andrew Milne Jr Address Redacted Richard Anthony Hewko And Valerie A Hewko (Jt) Address Redacted Richard Arndt Address Redacted Richard Arnegard Address Redacted Richard Aslakson Address Redacted Richard B Biggs Address Redacted Richard B Coughlin Address Redacted Richard B Donaldson Jr Address Redacted Richard B Donaldson Jr. Address Redacted Richard B Doyle And Kathryn A Doyle Co-Trustees Of The Doyle Drinon Family Trust 6/12/08 Address Redacted Richard B Eichenberger Address Redacted Richard B Erickson Address Redacted Richard B Hill Address Redacted Richard B Hunt & Helen L Hunt, Jtwros Address Redacted Richard B Langer Address Redacted Richard B Mcfarlin Address Redacted Richard B Tregilgas Harriet E Tregilgas - Pr Address Redacted Richard Berg Address Redacted Richard Bronson Address Redacted Richard Brown Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 494 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 497 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Richard Bruce Henderson Address Redacted Richard Bruce Lewis Address Redacted Richard Buckman & Marcella Buckman, H/W As J/T Address Redacted Richard Burr Trust Debra Kay Burr Trustee Address Redacted

RICHARD BURR TRUST, DEBRA KAY BURR TRUSTEE Address Redacted Richard Bussard Address Redacted Richard C & Carol S Mortensen Family Trust - Richard C & Carol S Mortensen - Trustees Address Redacted RICHARD C & CAROLYN B FYKE Address Redacted Richard C & Carolyn B Fyke Life Brokers Inc 4001 Macarthur Blvd Suite 101 Newport Beach CA 92660 Richard C Bergandine Address Redacted Richard C Boltz Address Redacted Richard C Carlson Address Redacted Richard C Cayko Address Redacted Richard C Croy Address Redacted Richard C Grimmette Address Redacted Richard C Grimmette Revocable Family Trust Address Redacted Richard C Hunter And Maxine T Hunter Address Redacted Richard C Johnson & Katherine A Johnson J/T Address Redacted Richard C Osterhout & Diane R Osterhout Ten Ent Address Redacted Richard C Slater Address Redacted Richard C Starck Address Redacted Richard C Strauss Address Redacted Richard C Waddell Trust C/O Bank Of America Address Redacted Richard C Wold Jr Address Redacted Richard Carl Anderson Address Redacted Richard Clarke Address Redacted Richard Clifford Seibert Address Redacted Richard Craig Vaught Address Redacted Richard D And Charlotte E Welty, Ttees Udt Dtd 9/18/1985 Address Redacted Richard D Brekke Address Redacted Richard D Cline Address Redacted Richard D Eicher Address Redacted Richard D Falcon Address Redacted Richard D Fox Address Redacted Richard D Kardmas Address Redacted Richard D Karst Address Redacted Richard D Kresin Address Redacted Richard D Meiers Address Redacted Richard D Meiers, Gayne L Meiers & Jeffrey L Meiers Co- Ttees Lynn Meiers Fam Min Tr Address Redacted Richard D Nelson Address Redacted Richard D Nichols Address Redacted Richard D Pals Address Redacted Richard D Siegal Estate Address Redacted Richard D Thompson Address Redacted Richard D Unterseher Address Redacted Richard D Zalesky Address Redacted Richard Dean Address Redacted Richard Dean Mockel Address Redacted Richard Dohn Vosper Address Redacted Richard Donnelly Address Redacted Richard E & Deborah Siler Jtwros C/O First Oklahoma Bank Address Redacted Richard E & Heather Henricksen Joint Tenants Address Redacted Richard E & Kathryn L Houchen Trustees Of Houchen Trust Fbo Alexandra Houchen 6/11/03 Address Redacted Richard E Anderson Address Redacted Richard E Frahm Address Redacted Richard E Grant Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 495 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 498 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Richard E Johnson 27661 435 Ave Aitkin MN 56431 Richard E Klepper Address Redacted Richard E Kuehn Address Redacted Richard Edward Wilson Address Redacted Richard Eugene Klepper Rev Trust Dtd 10-2-18 - Richard Eugene Klepper - Trustee Address Redacted Richard F Koppinger Minl Tr Dtd May 24, 2011 Kirkwood Bank & Trust Co - Tr Trust Dept Address Redacted Richard Ferguson Residual Tr C/O John M. Ferguson Trustee Address Redacted Richard Fiock Trustee Fbo Richard B Fiock Address Redacted Richard Forest & Marlene A Sawdy Address Redacted Richard Furtney & June Furtney Joint Tenants Address Redacted Richard G & Barbara W Sisson Jt Address Redacted Richard G Cernosek & Amalie Cernosek - Jt Chris Cernosek Poa For Richard Address Redacted Richard G Ertel Sr & Susan A Ertel Address Redacted Richard G Farwell Address Redacted Richard G Huck Address Redacted Richard G Lorch (Le) Address Redacted Richard G Marlenee Address Redacted Richard G Nelson Address Redacted Richard G Osterberg C/O Paul R Osterberg Poa Address Redacted Richard G Russell Address Redacted Richard George Hoering Address Redacted Richard Goar Address Redacted Richard Gunderson Address Redacted Richard H & Edith M Schoenberg Address Redacted Richard H Boone Address Redacted Richard H Ebert Address Redacted Richard H Gifford Address Redacted Richard H Gunderson Address Redacted Richard H Huebner Rev Trust Of 2015 Richard H Huebner Tr Address Redacted Richard H Johnson Address Redacted Richard H Johnston Address Redacted Richard H Mcgee Ii Address Redacted Richard H Thompson & Marjorie L Thompson Address Redacted Richard H Volesky Address Redacted Richard Hanson Address Redacted Richard Hartl Address Redacted Richard Helm Address Redacted Richard Higdem Address Redacted Richard Hurst Address Redacted Richard I Brown C/O Brown Energy LLC Address Redacted Richard I. Kralik Address Redacted Richard Ian Vestal Address Redacted Richard J Althof Address Redacted Richard J Arneson Address Redacted Richard J Asleson Address Redacted Richard J Barstad Address Redacted Richard J Brackenbury Fam Trst Address Redacted Richard J Brackenbury Family Trust Nicole A Capellen - Trustee Address Redacted Richard J Christiansen Address Redacted Richard J Coughlin Iii Address Redacted Richard J Coughlin Testamentary Trust John D Coughlin Jr - Trustee Address Redacted Richard J Garza Address Redacted Richard J Grady Address Redacted Richard J Hagen Address Redacted Richard J Hamilton Iii Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 496 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 499 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Richard J Iversen Address Redacted Richard J Iverson Address Redacted Richard J Marsden Address Redacted Richard J Meyer & Mary B Meyer JT Ten Address Redacted Richard J Nelson Address Redacted Richard J Perko Address Redacted Richard J Riordan Address Redacted Richard J Rykowsky Address Redacted Richard J Ukestad Address Redacted Richard J Verplancke Address Redacted Richard J Verplancke Estate James P Verplancke - Pr Address Redacted Richard J Yates Address Redacted Richard Jorve Address Redacted Richard K Cramer Family Tr Kathy C Okerlund Trtee Address Redacted Richard K Prideaux Address Redacted Richard K Russell Address Redacted Richard K Stenberg Address Redacted Richard K. Dwyer Address Redacted Richard Kaufman Address Redacted Richard Keith Bjornethun Address Redacted Richard L & Karen J Towe Joint Tenants Address Redacted Richard L & Patricia A Steffan Mineral Trust Richard & Patricia Steffan Tte Address Redacted Richard L Boyce Address Redacted Richard L Canova Address Redacted Richard L Carlson Address Redacted Richard L Chase Address Redacted Richard L Coulter Aka Richard Lukins Coulter Address Redacted Richard L Findley Address Redacted Richard L Froehlich Address Redacted Richard L Hoffman Address Redacted Richard L Holmes Address Redacted Richard L Johnson Address Redacted Richard L Lamarr Address Redacted Richard L Luttrell Address Redacted Richard L Moore Address Redacted Richard L Morris Address Redacted Richard L Muri Address Redacted Richard L Nelson Address Redacted Richard L Settle Address Redacted Richard L Siira Address Redacted Richard L Stepan Address Redacted Richard L. Geiser Address Redacted Richard Leland Stephenson Address Redacted Richard Liesener Address Redacted Richard Lyons Moore 2006 Trust Richard Lyons Moore Trustee Address Redacted Richard Lyons Moore 2006 Trust Richard Lyons Moore Trustee Providence Energy Ltd Poa Address Redacted Richard Lyons Moore Attn: Kerri Pianalto Address Redacted Richard M Arcand Life Estate Address Redacted Richard M Barrera Address Redacted Richard M Blumberg Address Redacted Richard M Chase Address Redacted Richard M Curry Address Redacted Richard M Iverson Address Redacted Richard M Meiers Address Redacted Richard M Padon Address Redacted Richard M Stevens Address Redacted Richard Mac D Frank & Jane Frank Joint Tenants Address Redacted Richard Marlo Lund Address Redacted Richard Mondry Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 497 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 500 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Richard Monson Address Redacted Richard Mortensen Address Redacted Richard N Brown Address Redacted Richard N Frommer Address Redacted Richard N Gilbert Address Redacted Richard N Halvorson Address Redacted Richard N Krafve Liv Trust Address Redacted Richard N Peterson Address Redacted RICHARD NELSON Address Redacted Richard Norgard Address Redacted Richard O & Catherine A Taff Address Redacted Richard O & Jane A Thompson Jt Address Redacted Richard O Lundquist Jr Address Redacted Richard O Thompson Address Redacted Richard P Carney Address Redacted Richard P Marentette Address Redacted Richard P Moe Address Redacted Richard P. Dimare Address Redacted Richard Paul Gardner Address Redacted Richard Paul Ukestad Address Redacted Richard Pedersen Address Redacted Richard Phillips Address Redacted Richard Pihlstrom Address Redacted Richard Praus Address Redacted Richard R & Dorothy Vincelette Address Redacted Richard R Balmer Address Redacted Richard R. Lacy IRA T.D. Ameritrade Clearing Address Redacted Richard Rademacher Address Redacted Richard Rand And Waynette Rand Jts Address Redacted Richard Rhorer Hill Address Redacted Richard S Bishop Address Redacted Richard S Karsky Address Redacted Richard S Logan Trucking Inc PO Box 2900 Mills WY 82644 Richard S Torrance Address Redacted Richard Sandvold Address Redacted Richard Schmidt Address Redacted Richard Schmoker Address Redacted Richard Schuhrke Address Redacted Richard Scott Smith Address Redacted Richard Silva Address Redacted Richard Sinclair Address Redacted Richard Stinson Fisher Jr Address Redacted Richard Swarm Address Redacted Richard T Brady Address Redacted Richard T Erickson Address Redacted Richard T Kruger Address Redacted Richard Timon Atmar Address Redacted Richard Torgerson Address Redacted Richard V Helling Address Redacted Richard V Landes Address Redacted Richard V Reiter Address Redacted Richard Vincelette Address Redacted Richard W & Margaret Slemaker Revocable Living Trust James Slemaker - Trustee Address Redacted Richard W Dunn Address Redacted Richard W Hammel Address Redacted Richard W Hoyt Address Redacted Richard W Lee Trust Richard Lee - Trustee Address Redacted Richard W Pauley Address Redacted Richard W Schuhrke & Sharlene Schuhrke Address Redacted Richard W Stockman Address Redacted Richard W Sutton Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 498 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 501 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Richard W. Medlar Address Redacted Richard W. Scull Address Redacted Richard Walstad & Jane Walstad Joint Tenants Address Redacted Richard Wehner Address Redacted Richard Widmar Address Redacted Richard Wilhelm Jamison Address Redacted Richard William Frazier Address Redacted Richard Zoanni Address Redacted Richards Construction P O Box 925 Powell WY 82435 Richards Lyons Moore 2006 Tr Third Amend & Restate 16400 N Dallas Parkway Ste Of Moore Revoc Tr Dtd December 15, 1998 Richard Lyons Moore, Trustee 400 Dallas TX 75248 Richards Three Forks LLP 3861 128th R Ave Sw Belfield ND 58622 Richards, Justin Address Redacted Richards, Layton & Finger, P.A. Attn: Tara J. Hofner One Rodney Square 920 North King Street Wilmington DE 19801 Richele C Tufte Address Redacted Richelia Polanchek Address Redacted Richins, Kurt Address Redacted Richland Cnty Housing Auth 1032 6th Street Sw Sidney MT 59270 Richland County Clerk & Recorder 201 W Main Sidney MT 59270 Richland County Montana County Courthouse 201 W Main Sidney MT 59270 Richland County Treasurer 201 West Main Sidney MT 59270 Richland County, MT Treasurer 201 W Main St Sidney MT 59270 Richland Pump And Supply Inc 1511 S Central Ave Sidney MT 59270 Rick A Marsh Address Redacted RICK A. ROSS Address Redacted RICK BAILEY Address Redacted Rick Bailey C/O Deloris Bailey Address Redacted Rick D Clark Address Redacted Rick D Corbitt Address Redacted Rick Dossett H Address Redacted Rick E & Kathie R Albert J/T Address Redacted Rick Enget C/O Beth Rolfe Address Redacted Rick Farnam Address Redacted Rick Gunderson Trust Rick Gunderson - Trustee Address Redacted RICK HATCHER Address Redacted Rick J Soriano Address Redacted Rick J Steckler & Denise M Steckler, Trustees Rj & Dm Steckler Trust Address Redacted Rick J Wanner Address Redacted Rick L Johnson Address Redacted Rick Leiss Address Redacted Rick Magnuson Address Redacted Rick Maxon Babts Address Redacted Rick Sharbono Address Redacted Rick Van Hersh Iii Address Redacted Rickard Properties LLC Address Redacted Ricks-Mccabe Joint Venture C/O Judson Stone Address Redacted Ricky A Holm Address Redacted Ricky DeFries Address Redacted Ricky Duane Ochs Address Redacted RICKY HATCHER Address Redacted Ricky Lawlar Address Redacted Ricky Sarsland & Brenda Sarsland Address Redacted Ricky Wolfgram Address Redacted ride1234 Address Redacted Ridgeline Royalty Inc PO Box 1881 Bismarck ND 58502 Ridgely Partners Ltd PO Box 803544 Dallas TX 75380 Ridgeview Park LLC 1801 Tiburon Blvd Ste 800 Tiburon CA 94920 Ridgeway Trucking LLC 2858 S Poplar St Casper WY 82601 Rieckhoff Land & Resources LLLP 37550 N 93rd St Scottsdale AZ 85262 Rieger, Thomas Address Redacted Riely, Philip Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 499 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 502 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ries Brumder Hansen Address Redacted Rig Anchors Inc PO Box 1208 Dickinson ND 58602 Rig Mats Of America Inc 921 Cerise Rd Billings MT 59101 Rightpoint Consulting LLC 29 N Wacker Dr, 4th Floor Chicago IL 60606 Rigs The Land Dog LLC PO Box 77 Sidney MT 59270 Rilda Carroll Address Redacted Riley Maeann Lockard Address Redacted Riley Resources Inc PO Box 1615 Bismarck ND 58502 RILEY RESOURCES INC PO BOX 1615 Bismarck ND 58502 Rilling Family Trust Dated January 16, 2012 101 Cherrywood Dr #104 Mabel MN 55954 Rim LLLP 5 Inverness Drive East Englewood CO 80112 Rimco Royalty Partners LP PO Box 924588 Houston TX 77292 Rimer, Charles Address Redacted RIMROCK 5445 DTC PKWY STE 1250 Greenwood Village CO 80111 Rimrock Oil & Gas Attn: Andre Baillargeon 5445 Dtc Parkway Suite 1250 Greenwood Village CO 80111 Rimrock Oil & Gas Williston Llc 5445 Dtc Pkwy Ste 1250 Greenwood Village CO 80111 Rimrock Oil & Gas Williston LLC 5445 Dtc Pkwy Ste 1250 Greenwood Village CO 80111 RIMROCK OIL & GAS WILLISTON, LLC ATTN: ANDRE BAILLARGEON 5690 DTC BOULEVARD SUITE 670 E Greenwood Village CO 80111-3217 Rimrock Oil and Gas Williston, LLC Attn: Andre Baillargeon 5445 DTC Pkwy Suite 1250 Greenwood Village CO 80111 Rimrock Oil and Gas Williston, LLC c/o Davis Graham & Stubbs LLP Attn: David C. Holman 1550 17th Street # 500 Denver CO 80202 Rinda Scott Curtis Address Redacted Rio Blanco Clerk And Recorder PO Box 1067 Meeker CO 81641 Rio Blanco County Treasurer 555 Main St Meeker CO 81641 Rio Blanco County Treasurer PO Box G Meeker CO 81641 Rip3 LP 510 Bering Dr Ste 600 Houston TX 77057 Ripples To Waves Address Redacted Risa Inc 6565 W Loop S Ste 555 Bellaire TX 77401 Rischelle M Mulholland Guara 2355 Bentley Dr Palm Harbor FL 34684 Rise Broadband Address Redacted Rise Risk Management LLP 5806 Baldwin Ln Unit 4 Williston ND 58801 Risked Revenue Energy Associates 2111 Driscoll St Houston TX 77019 GENERAL PARTNER OF PENWAY GROUP, LP D/B/A PRESIDENT, ANOVA RISKED REVENUE ENERGY RISKED REVENUE ENERGY ASSOCIATES ATTN: MR. WAYNE F. PENELLO MANAGEMENT, INC. ASSOCIATES Houston TX 77019 RISKED REVENUE ENERGY ASSOCIATES Wayne Penello 2323 S Shepherd Dr Suite 1011 Houston TX 77019 Rita & Kevin Burwick Jtwros Address Redacted Rita & Lawrence Anderson Address Redacted Rita A Quinn Address Redacted Rita Amsberry Address Redacted Rita Ann Kolden Address Redacted Rita Berg Schmitt Address Redacted Rita Burwick Address Redacted Rita C Footh Address Redacted Rita D & Robert F Willer Jt Address Redacted Rita Dalzell Address Redacted Rita Denning & Donald L Denning Address Redacted Rita Henderson Address Redacted Rita Jahner Address Redacted Rita L Johnson Address Redacted Rita L Miller Estate Patrick S Miller Personal Rep Address Redacted Rita L Saylor Address Redacted Rita M Earnest Address Redacted Rita Michele Wirtz Address Redacted Rita Michelle Turner Address Redacted Rita Nadler Address Redacted Rita S Rasnic Address Redacted Rita Solem Address Redacted Rita Zoanni Kramer Address Redacted Ritter Family Trust Carol & Thomas Ritter Ttees Address Redacted Rival Services LLC PO Box 297 Fort Morgan CO 80701 RIVAL SERVICES, LLC 14400 US HIGHWAY 34 Fort Morgan CO 80701 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 500 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 503 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rival Services, LLC Kevin Wade Bothwell PO Box 297 14400 US Highway 34 Fort Morgan CO 80701 Rivendell Royalty Corp PO Box 1410 Edmond OK 73083-1410 River Bend Investments LLC C/O Rodney D Olson PO Box 876 Livingston MT 59047-0876 River Gas Company LLC 1001 Rice Mine Rd N Tuscaloosa AL 35406 RIVER WATER LLC 901 W LEGACY CENTER WAY Midvale UT 84047 RIVER WATER LLC-6988 Address Redacted Riverbend Minerals LLC 390 S Reynolds St La Grange TX 78945 Riverbend Oil & Gas Vi LLC Two Allen Center 1200 Smith St Ste 1950 Houston TX 77002 RIVERBEND OIL & GAS VI LLC TWO ALLEN CENTER 1200 SMITH ST STE 1950 Houston TX 77002 RIVERBEND OIL & GAS VI-B LLC ATTN: COLBY CARPENTER TWO ALLEN CENTER 1200 SMITH ST STE 1950 Houston TX 77002 Riverbend Oil & Gas Vi-B LLC Attn: Colby Carpenter Two Allen Center 1200 Smith St Ste 1950 Houston TX 77002 Riverbend Plumbing & Heating PO Box 146 Basin WY 82410 Rivercrest Royalties Ii LLC 777 Taylor St Ste 810 Ft Worth TX 76102 RIVERCREST ROYALTIES II LLC 777 TAYLOR ST STE 810 Ft Worth TX 76102 Rivercrest Royalties LLC Attn: Mary Ann Giordano Address Redacted Riverhill Energy Corp PO Box 247 Round Top TX 78954-0247 Riverside Resources Inc PO Box 1761 Bismarck ND 58502 Riverside United Methodist Church Permanent Endowment Fund Tim Drake 2701 Zoliinger Road Columbus OH 43221 Riverside Welding Inc PO Box 646 Walhalla ND 58282 Riverwalk Royalty LLC PO Box 7426 Bismarck ND 58507 Riverwood Energy LLC 32814 Whitburn Tr Weston Lakes TX 77441 Riverwood Partners LLLP PO Box 1313 Bismarck ND 58502

Riviera Finance Assignee For Nodak Oilfield Services Po Box 310243 Des Moines IA 50331-0243

Riviera Finance Assignee For Rtr Oilfield Services Llc Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Crowell Trucking Llc Mc#983856 Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Fultz Contracting Llc Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Rise Risk Management Llp Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Shale Oilfield Services Llc Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Trilogy Oilfield Services Po Box 848244 Los Angeles CA 90084-8244 For Wesco Disposal Dba Abco Riviera Finance Recycling Po Box 310243 Des Moines IA 50331-0243 Riviera Finance For Western Oilfield Services Llc Po Box 310243 Des Moines IA 50331-0243 Riviera Finance Of Texas Inc For Riverside Welding Inc Po Box 310243 Des Moines IA 50331-0243 Riviera Oil & Gas LLC 3300 South Columbine Circle Englewood CO 80113 Rj Ehlis Mineral Trust Ronald J Ehlis & Janet A Ehlis, Trustees 11905 60th St Sw New England ND 58647 Rj Fortune Investments LLC 9290 E Thompson Peak Pkwy Unit 257 Scottsdale AZ 85255 RJ FORTUNE INVESTMENTS LLC 9290 E THOMPSON PEAK PKWY Scottsdale AZ 85255 Rj Garner Family LLC 14021 Wind Mountain Rd Ne Albuquerque NM 87112 Rj Mann & Associates Inc 860 North 9th Ave Brighton CO 80603 Rjjfl Russell Holdings LLC 2080 Jupiter Hills Lane Henderson NV 89012 Rjln Properties LLC 2701 Patton Way Bakersfield CA 93308 Rjm Interests LLC R H Boteler Iii - Manager PO Box 768247 Roswell GA 30076 Rjm Precision Instruments LLC 5007 Pacific Hwy E Ste 19 Fife WA 98424 Rjn Consulting LLC 1225 Victory Pl Bismarck ND 58501 Rk Pump & Supply 811 Central Drive Odessa TX 79761 Rkc Inc C/O Anthony Kochevar 7500 East Arapahoe Rd Ste 380 Centennial CO 80112 Rkd Consulting 751 S Blunck St Palmer AK 99645-8339 Rlcapps Family-2008 LP PO Box 6025 Midland TX 79704 RLCAPPS FAMILY-2008 LP Address Redacted

Rld Exploration LLC Attn Roger Daniel 2047 Broadwater Ave Ste 1 Billings MT 59102

RLD EXPLORATION LLC ATTN ROGER DANIEL 2047 BROADWATER AVE STE 1 Billings MT 59102 Rld Exploration LLC Attn Roger Daniel 2047 Broadwater Ave Ste 1 Billings MT 59102 Rli Claim Department PO Box 3961 Peoria IL 61612-3961 RLI INSURANCE COMPANY 9025 N Lindbergh Dr Peoria IL 61615-1499 RLI Insurance Company Attn: Michael Joseph Dudek 9025 N Lindbergh Dr Peoria IL 61615-1499 RLK Advisory Group Joel Smith 4240 S Ridgewood Avenue Suite 1 Port Orange FL 32127 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 501 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 504 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

RLK Advisory Group Attn: Andrew Christopher Schorr 4240 S Ridgewood Avenue Suite 1 Port Orange FL 32127 RM Julie Polasek Address Redacted RMJulie Polasek Address Redacted Rmoug C/O Your Conference Connection Po Box 10142 Scottsdale AZ 85271-0142 Rms Cranes 1961 E 64th Ave Denver CO 80229-7414 Rms Sepm PO Box 13828 Denver CO 80201 Rmw Bakken LLC C/O Pam Beach 356 Meadowcrest Circle Canton GA 30115 Rn Industries Trucking Inc PO Box 98 Roosevelt UT 84066 Roach Foundation C/O Bank One Agent 777 Taylor Street Ste R2-J Fort Worth TX 76102 Road Runner Service & Supply Po Box 823 Douglas WY 82633-0823 Roadrunner Oil & Gas (Usa) Inc 4210, 525-8 Avenue Sw Calgary AB T2P-1G1 Canada Roanie Pony LLC PO Box 1390 Catoosa OK 74015 Roanna J Skogas Address Redacted Rob Cote Address Redacted Robbie James Johnston Address Redacted Robbie Lester Berger Address Redacted Robbin Kessler Address Redacted Robbin L Redmond 1647 Sagebrush Rd Billings MT 59105 Roberson Trucking Co Inc 672 Three Creeks Rd Junction City AR 71749 Robert & Anita Stepan Jtwrs Address Redacted Robert & Antoinette Buxbaum Family LLC Address Redacted Robert & Beverly Hard 2000 Tr Dtd 05/18/00 Beverly Hard Ttee Address Redacted Robert & Ella Mulholland Irrevoc Trust Dtd Feb 11, 2013 Therese Mary Jewett, Trustee Address Redacted Robert & Eva Hlibichuk Address Redacted Robert & Karla Osborn Living Trust Dtd 11-5-18 - Robert H & Karla Osborn Iii - Co-Trustees Address Redacted Robert & Lois Ough Min Trust Steven T Ough Trustee Address Redacted

Robert & Lois Ough Mineral Tr Steven T Ough - Trustee Address Redacted Robert & Lola Dean Rev Liv Tr Robert & Lola Dean Trustees Address Redacted Robert & Margaret Hendricks Revocable Trust - Margaret Hendricks - Trustee Address Redacted Robert & Margery Campbell Family Trust Robert D Campbell Trustee Address Redacted Robert & Mary Young Irr Min Tr R Young, M Young, C Sherwood, H Kid, Trustees Address Redacted Robert & Nancy Fedorisko Rev Living Trust Address Redacted Robert & Renee Sundheim Family Mineral Trust Address Redacted Robert & Sherri Forrest Address Redacted Robert & Susan Johnson Fmly Tr Dtd 8/29/2008 First Western Bank & Trust Address Redacted Robert A & Ann P Connell Joint Tenants Address Redacted Robert A Bumke Address Redacted

Robert A Delp And Rodney G Delp Tenants In Common Address Redacted Robert A Erickson & Cleo M Erickson Address Redacted Robert A Freed Address Redacted Robert A Gairns Address Redacted Robert A Garza Address Redacted Robert A Gish Address Redacted Robert A Graham Address Redacted Robert A Haines Address Redacted Robert A Hushka Address Redacted Robert A Johnston Address Redacted Robert A Kadane Address Redacted Robert A Lundy Revocable Trust Address Redacted Robert A Mahtook Jr Address Redacted Robert A Michie Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 502 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 505 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert A Stenberg Address Redacted

Robert A Strauss 2007 Trust Robert A Strauss Trustee Address Redacted Robert A Tjelde Address Redacted Robert A Wright Address Redacted Robert A Young Address Redacted Robert A. DeStefano Address Redacted Robert A. Pearson Address Redacted Robert Allen Address Redacted Robert Allen Edick Address Redacted Robert Allen Hove Address Redacted Robert And Frances Childress As Trustees Of Childress Family Trust Address Redacted Robert And Gayle Graham Jtwros Address Redacted Robert And Tracey Mcnamara Jtwros Address Redacted Robert Arthur Monson Address Redacted Robert B Armstrong Address Redacted Robert B Bartz Address Redacted Robert B Dietz Living Trust Dated 7/28/2011 Robert B Dietz, Trustee Address Redacted Robert B Farnam Address Redacted Robert B Ferguson Trust Address Redacted Robert B Ferguson Trust Diane M Ferguson - Trustee Address Redacted Robert B Ferguson Trust Diane M Ferguson Trtee Address Redacted Robert B Gannaway Address Redacted Robert B Harrison & Judy M Harrison Tr Address Redacted Robert B Hartman Address Redacted Robert B Price Address Redacted Robert B Schwahn & Carmen R Schwahn J/T Address Redacted Robert B. Jacobson Trust Robert B. Jacobson & Yvonne M Jacobson Trustees Address Redacted Robert Behm Address Redacted

Robert Bluntzer Jr Estate Josephine H Bluntzer Ind Ex Address Redacted Robert Boltz Address Redacted Robert Bonner Rubey Address Redacted Robert Bovee Address Redacted Robert Brandenburg Estate C/O Dr Heidi Brandenburg Address Redacted Robert Brian Rieder Address Redacted Robert Brose Address Redacted Robert Bruce Renfro Address Redacted Robert Buchanan Address Redacted Robert C & Patsy A Muri Address Redacted Robert C And Susan M Strand Life Est. Address Redacted Robert C Arceneaux Address Redacted Robert C Badger Sr Address Redacted Robert C Bahm Address Redacted Robert C Benson Ii Address Redacted Robert C Blumberg Jr Address Redacted Robert C Boltz Address Redacted Robert C Boussard Address Redacted Robert C Brownfield & Florence B Brownfield Address Redacted Robert C Chase Address Redacted Robert C Christensen Rev Lv Tr Dtd 7/24/14 Robert C Christensen, Ttee Address Redacted Robert C Clark Address Redacted Robert C Day Address Redacted Robert C Devlin Address Redacted Robert C Drury Address Redacted Robert C Erler Trust Mark Erler Trustee Address Redacted Robert C Grable Address Redacted Robert C Hood Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 503 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 506 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert C Lauf Address Redacted Robert C Lentz Address Redacted Robert C Lorenz Address Redacted Robert C Lucas Address Redacted Robert C Marston Jr Address Redacted Robert C Meschke Address Redacted Robert C Ohl Trust Address Redacted Robert C Schneider Address Redacted Robert C Simpson Jr. Address Redacted Robert C Simpson Living Trust Crt. By Declaration Of Trust Dtd 4-05-99 Address Redacted Robert C Timms Bettye J Reid Pos Address Redacted Robert Cameron Holmes & Diane Marie Holmes 2015 Living Trust Robert C & Diane M Holmes - Tr Address Redacted Robert Candee Address Redacted

Robert Carl Strom Revoc Trust Steven R Strom - Trustee Address Redacted Robert Carroll Johnston Address Redacted Robert Carroll Sylvia Address Redacted Robert Carter Overton III Tr Overton Children'S Trust Address Redacted Robert Cedric Thompson Address Redacted Robert Charles Karlstad Address Redacted Robert Chase Address Redacted Robert Clanton Address Redacted Robert Clay Taylor Address Redacted Robert Coughlin Address Redacted Robert Courser Address Redacted Robert D Cowdery Living Trust Mary Sue Cowdery Trustee Address Redacted Robert D Ditton Address Redacted Robert D Dobias And Mary K Dobias Address Redacted Robert D Furnari Address Redacted Robert D Harris Jr Address Redacted Robert D Hays Address Redacted Robert D Long Living Trust Address Redacted Robert D Mosher Address Redacted Robert D Pettis Address Redacted Robert D Rodakowski Address Redacted Robert D Rude Address Redacted Robert D Stewart Address Redacted Robert D. Mcgee Address Redacted Robert Dale Holland Address Redacted Robert Darrell Giles Address Redacted Robert Darryle Sterud Address Redacted Robert David Jones Address Redacted Robert Dickinson Address Redacted Robert Distel Address Redacted Robert Don Mcmurtry Address Redacted Robert Drievold Address Redacted Robert E & Walter F Wandersee Estate Address Redacted Robert E Bryan Jr Md Address Redacted Robert E Burfiend Address Redacted Robert E Chancellor Address Redacted Robert E Davies Address Redacted Robert E Eckels Jr LLC Address Redacted Robert E Eichhorst Address Redacted Robert E Eubanks Address Redacted Robert E Franklin Address Redacted Robert E Frazier, IRA Address Redacted Robert E Gallman & Nyla G Gallman JT Ten Address Redacted Robert E Grim Address Redacted Robert E Gross Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 504 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 507 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert E Hackley Address Redacted Robert E Lee Address Redacted Robert E Mcchesney Address Redacted Robert E Meier Life Estate Address Redacted Robert E Near & Joyce A Near J/T Address Redacted Robert E Newnam Jr Address Redacted Robert E Stransky Address Redacted Robert E Sundheim Address Redacted Robert E Walstad Address Redacted Robert E Wandersee Address Redacted Robert E. Tufte Address Redacted Robert Earl Townsend Address Redacted Robert Edlund Address Redacted Robert Edmund Nelson Address Redacted Robert Edward Davis Address Redacted Robert Elkins Address Redacted Robert Elliot Bogaard & Kimberly Ann Borgaard Address Redacted Robert Enos Address Redacted Robert Eugene Edwards Address Redacted Robert F & Beverly B Reiner Jtwros Address Redacted Robert F Boyce Address Redacted Robert F Cozzone Address Redacted Robert F Keith Address Redacted Robert F Kloiber Jr Address Redacted Robert F Motis Address Redacted Robert F Shryock Address Redacted ROBERT FINLEY C/O PRINGLE & HERIGSTAD, P.C. ATTN: REED A. SODERSTROM 2525 ELK DRIVE PO BOX 1000 Minot ND 58701 2525 Elk Drive PO BOX Robert Finley C/O Pringle & Herigstad, P.C. Attn: Reed A. Soderstrom 1000 Minot ND 58701 Robert Frahm Address Redacted Robert G & Joan L Liebl Jt Address Redacted Robert G & Mary Lou Sanderson Joint Tenants Address Redacted Robert G & Susan M Irwin Address Redacted

Robert G & Vicki L Danielson Trustees Udt Dtd 06/07/04 Address Redacted Robert G Cooper Address Redacted Robert G Fulton Address Redacted Robert G Hildebrant Address Redacted Robert G Holt Jr Address Redacted Robert G James Address Redacted Robert G Johnson Address Redacted Robert G Killgore Address Redacted Robert G Nathan Address Redacted Robert G Reed Jr Address Redacted Robert G Rogers C/O Cnb Trust Dept Address Redacted Robert G Schweitzer Address Redacted Robert G Shelton Address Redacted Robert G Sinclair Address Redacted Robert G. Cardinale Address Redacted Robert G. Lippitt Address Redacted Robert Gay Address Redacted Robert George Turo Estate C/O Larain Pyle Address Redacted Robert Gerald Lindholm Address Redacted Robert Gerrity Address Redacted Robert Gorder Jr & Janell Gorder J/T Address Redacted Robert Gordon Wilson Address Redacted Robert Griffin Address Redacted Robert Gudmunsen Address Redacted Robert Gustafson Address Redacted Robert H And Margaret H Safley Joint Tenants Address Redacted Robert H And Tami Green Jt Address Redacted Robert H Bartleson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 505 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 508 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country ROBERT H COOMBS Address Redacted Robert H Ebert Jr Address Redacted Robert H Johnson Address Redacted Robert H Lindvig Address Redacted Robert H Lomen Address Redacted Robert H Ratliff Jr Address Redacted Robert H Scott Disclaimer Trst Address Redacted Robert Hanson Address Redacted Robert Harms Address Redacted Robert Harold Moreau Address Redacted Robert Hasenkamp Address Redacted Robert Haugen Address Redacted Robert Hedlund Address Redacted Robert Heinze Address Redacted Robert Henke Address Redacted Robert Henry Lowrey Iii Address Redacted Robert Hernandez Address Redacted Robert Hernandez & Robin Hernandez J/T Address Redacted Robert Hewson Address Redacted Robert Hilaire Coombs Address Redacted Robert Hintz L/E Address Redacted ROBERT HOLLAND Address Redacted Robert Hornstein Address Redacted Robert Howe Mayse Address Redacted Robert Hubbard Address Redacted Robert J & Marjorie A Lies Address Redacted Robert J & Teresa Sylvester Revocable Living Tr - Robert & Teresa Sylvester - Trustees Address Redacted Robert J And Jeanine Horning Family Living Tr Dtd 02/15/11 Robert & Jeanine Horning Ttees Address Redacted Robert J Arneson Address Redacted Robert J Boomer Address Redacted Robert J Buckman Address Redacted Robert J Chorne Fmly Minl Trs Sharon Privratsky & Donovan R Chorne, Trustees Address Redacted Robert J Conrad Jr Address Redacted Robert J Dorval Address Redacted Robert J Elstad Address Redacted Robert J Esser Address Redacted Robert J Eynon Address Redacted Robert J Fladeland Address Redacted Robert J Griffon Address Redacted Robert J Kilzer Address Redacted Robert J Koering Address Redacted Robert J Kunkel And Judith L Kunkel Address Redacted Robert J Lindseth Address Redacted

Robert J Morrison Estate David Morrison Personal Rep Address Redacted Robert J Mulholland Jr Address Redacted Robert J Myers Address Redacted Robert J Olson Attn: Trust Department Address Redacted Robert J Olson Estate C/O First National Bank & Tr Personal Rep Address Redacted Robert J Polka Address Redacted Robert J Roberts Irrevocable Trust Dtd 6-27-16 Address Redacted Robert J Sackuvich Address Redacted ROBERT J SHELDON Address Redacted Robert J Urbanec Address Redacted Robert J Volesky Mineral Trust Marvin Volesky & Jeff Volesky, Trustees Address Redacted Robert J Walker Address Redacted Robert J Wamre Patricia M Wamre Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 506 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 509 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert J Zoanni Address Redacted Robert J. Litzingervvvv Address Redacted Robert Jackson Address Redacted Robert John Cook Address Redacted Robert Jones Address Redacted Robert Joseph Vanderberg Life Estate Address Redacted Robert K Grosulak Address Redacted Robert K Higdem Address Redacted Robert K Miner Address Redacted Robert K Rosenberg Address Redacted Robert K Thompson Address Redacted Robert K Torgerson Address Redacted Robert Kaufman Address Redacted Robert Keeley Address Redacted Robert Keith Fullerton Address Redacted Robert Kellogg Address Redacted Robert Kelly Ditsworth Address Redacted Robert Kershaw Royalty Co Inc PO Box 327 Skyland NC 28776 ROBERT KERSHAW ROYALTY CO INC PO BOX 327 Skyland NC 28776 Robert Keyes Address Redacted Robert Knodt Address Redacted Robert Kolodejchuk Address Redacted Robert Kordonowy Address Redacted Robert Kurt Larsen Address Redacted Robert L & Barbara S Kuhn Jtwros Address Redacted Robert L & Georgia L Cornely Revocable Trust Dtd 9-19- 96 Robert & Georgia Cornely - Tr Address Redacted Robert L And Bonnie Marshall Revocable Trust Bonnie Marshall Ttee Address Redacted Robert L And Carol M Rother Address Redacted Robert L Anderson Address Redacted Robert L Berg Address Redacted Robert L Brooks Jr Address Redacted Robert L Cirlot Jr Address Redacted Robert L Clifton Address Redacted

Robert L Dube Life Estate Wendy Henes & Lisa Schultz, Address Redacted Robert L Evjen Address Redacted Robert L Flint Address Redacted Robert L Jairell Address Redacted Robert L Mcphail Address Redacted Robert L Nance Address Redacted Robert L Neal Management Trust Address Redacted

Robert L Neal Management Trust Broadway Bank Agent Address Redacted Robert L Nefsky Address Redacted Robert L Nefsky Trustee Address Redacted Robert L Olson Address Redacted Robert L Pagel Address Redacted Robert L Parmele Address Redacted Robert L Privratsky Address Redacted Robert L Procive Diane M Procive Trustees Robert L & Diane M Procive Trt Address Redacted Robert L Segal Family Trust Robert L Segal Ttee Address Redacted Robert L Tollefson Address Redacted Robert L Waade Address Redacted Robert L Willis Address Redacted Robert L Wright Jr Address Redacted ROBERT LEE BEAN Address Redacted Robert Lee Clevenger Address Redacted Robert Lee Finn Address Redacted Robert Lee Glasscock Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 507 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 510 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert Lee Mccloud Address Redacted Robert Leiss Address Redacted Robert Leiss Life Estate Address Redacted Robert Lemond Estate C/O Mary Lou Lemond Address Redacted Robert Leo Goldstucker Address Redacted Robert Leonard Keith Address Redacted Robert Leroy Fisher Address Redacted Robert Leroy Fund Board Of Regents Of The University Of Texas System Trust Minerals Dept PO Box 551 Midland TX 79702 Robert Lester Dwyer Address Redacted Robert Longdo Address Redacted Robert Louie Allday Address Redacted Robert Lundeen Address Redacted Robert Lynn Chandler Merry Lyn Chandler Address Redacted Robert M Crain Exempt Trust Robert M Crain Trustee Address Redacted Robert M Kleeger Address Redacted Robert M Miles Pot Trust Steve Rice Trustee Address Redacted Robert M Orr Address Redacted Robert M Orr Jr Address Redacted Robert M Vedvick Address Redacted Robert M Vedvick & Virginia K Vedvick Address Redacted Robert M Weir Address Redacted Robert M Wilson Address Redacted Robert Marquis Address Redacted Robert Mau Address Redacted Robert Mayer Jr Address Redacted Robert Mccloud Address Redacted Robert Mccrummen Address Redacted Robert Mcculloch Address Redacted Robert Mcginnis Brian Mcginnis, Aif Address Redacted Robert Mcginnis C/O Brian Mcginnis Power Of Atty Address Redacted Robert Merrill Alling Address Redacted Robert Michael Gripp Address Redacted Robert Michael Montgomery Address Redacted Robert Milton Turner Address Redacted Robert Mitzel Address Redacted Robert Myron White Address Redacted Robert N Atchison Address Redacted Robert N Roningen Jr Address Redacted Robert Neal Rubey Trust Uwo William Bonner Rubey Cadence Bank - Trustee Address Redacted Robert Nightingale Address Redacted Robert Ohnstad Address Redacted Robert Olson Address Redacted Robert Or Mary K Dobias Address Redacted Robert Osterberg & Patricia Osterberg Address Redacted Robert P And Ione E Oskay Address Redacted Robert P Berkey Jr Address Redacted Robert P Chruszch & Corinne F Chruszch Address Redacted Robert P Dykes Address Redacted Robert P Dykes Revocable Trust Dtd 10-14-11 Address Redacted Robert P Geivett Trtee Fbo Fbn Trust Address Redacted Robert P Johnson Address Redacted Robert P Jornayvaz Iii Address Redacted Robert P Scissons Address Redacted Robert P Siech Address Redacted Robert P Tucker Address Redacted Robert P Wegleitner Trust Address Redacted Robert Patterson Address Redacted Robert Paul Stroh Address Redacted Robert Paul Timms Address Redacted Robert Perkins Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 508 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 511 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert Perry Address Redacted Robert Pickens Address Redacted Robert Post Johnson Address Redacted Robert Powers And Bonny Powers Hw Address Redacted Robert Praus Address Redacted Robert Quale Address Redacted Robert R And Juliana T Zhe Joint Tenants Address Redacted Robert R Burman Address Redacted Robert R Emerson & Matthew Rhodes Emerson - Joint Tenants Address Redacted Robert R Godlasky Address Redacted Robert R Richardson Address Redacted Robert R Richardson Revoc Trst Utd March 31, 2003 Address Redacted Robert R. Devlin, IRA; Custodian: Raymond James & Assoc Address Redacted Robert Reineke Address Redacted Robert Rohn Address Redacted Robert Rohn & Mariana Rohn Jt Address Redacted Robert Rostomily Address Redacted Robert S Belcher Address Redacted Robert S Fox Address Redacted Robert S Hord Address Redacted Robert S Hove & Marlys E Hove Address Redacted Robert S Howey Jr Address Redacted Robert S Klipping Address Redacted Robert S Prather Iii-Minor Robert S Prather, Jr-Cust For Under Unif Gifts To Minor Act Address Redacted Robert S Sette Address Redacted Robert S Weigelt Address Redacted Robert S. Moore IRA Address Redacted Robert S. O'Brien Address Redacted Robert Sabo Address Redacted Robert Scogin C/O West Texas State Bank Address Redacted Robert Scott Hewitt Address Redacted Robert Scott Nance Trust Robert L Nance Trustee Address Redacted Robert Seth Lee Scott Address Redacted Robert Sheldon Address Redacted Robert Skyler Athey Address Redacted Robert Solem Address Redacted Robert Spangelo Address Redacted Robert Staley Address Redacted Robert Stepan Address Redacted Robert Stevens Address Redacted Robert Sunderland Address Redacted Robert T Kesig Thomas Andrew Kesig - Poa Address Redacted Robert T Mcnaughton Address Redacted Robert Thomas Kilgore Address Redacted Robert Thompson C/O Bob'S Pawn Shop Address Redacted Robert Todd Slawson Address Redacted Robert Tracy Clark Address Redacted Robert Trechel Address Redacted Robert V Neuhoff Address Redacted Robert Vincent Meduna Address Redacted Robert Volesky Family 1994 Lvg Trust Dtd 12/29/94 Clara A Volesky, Trustee Address Redacted Robert von Hoffmann Address Redacted Robert W & Gail M Bogle Trust Robert W Bogle Jr & Gail M Bogel - Trustees Address Redacted Robert W And Ruth R Stout Joint Tenants Address Redacted Robert W Barelman Dds LLC Address Redacted Robert W Biggs Address Redacted Robert W Calcote Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 509 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 512 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robert W Deats Address Redacted Robert W Dobias Address Redacted Robert W Graupe Address Redacted Robert W Gustafson Address Redacted Robert W Harms & Cherie Olson Harms Address Redacted Robert W Hill Address Redacted Robert W Karlewicz & Penelope S Karlewicz J/T Address Redacted Robert W Kennedy Address Redacted Robert W Kuhn & Carolyn J Kuhn, J/T Address Redacted Robert W Mcconaughy Address Redacted Robert W Mcdanold Min Tr Cecilia Stedman And Ken Stedman Trtees Address Redacted

Robert W Montgomery Jr Trustee U/T/A Dated 9/26/1991 Address Redacted Robert W Montgomery Jr Trustee Uta Dtd 9-26-91 Address Redacted Robert W Morehouse Address Redacted Robert W Procive Address Redacted Robert W Roney Address Redacted Robert W Satterfield & Joye L Satterfield JT Ten Address Redacted Robert W Skinner Address Redacted Robert W Stefonowicz Address Redacted Robert W Wirtz Address Redacted Robert W. Baird & Co. Incorporated Address Redacted Robert W. Coburn Address Redacted Robert W. Stalker Address Redacted Robert Wayne Dobie Trustee For The Use And Bene Of Stephen Roger Address Redacted Robert Wayne Magee Address Redacted Robert Wayne Richter Melinda Sherrouse Poa Address Redacted Robert Wells Address Redacted Robert Welter Address Redacted Robert Wesley Reinelt Address Redacted Robert Wettlaufer Address Redacted Robert Wheeler Bowden Decd Address Redacted Robert William Babbitt Address Redacted Robert Williams Address Redacted Robert Wisness Address Redacted Robert Woutat & Marilee Hansen Ttees Woutat-Hansen Trust Dtd 11/27/96 Address Redacted Robert Zinke Rev Tr Dtd 6-4-09 Address Redacted Roberta A Obach Address Redacted Roberta A Taylor C/O Steven W Gunderson Poa Address Redacted Roberta Anderson Address Redacted Roberta Cline Address Redacted Roberta D Godfrey Address Redacted Roberta Daschner Address Redacted Roberta Daschner Revocable Tr Dtd 5-2-12 Roberta Daschner - Trustee Address Redacted Roberta Degenstein Address Redacted Roberta E Stanley Asw Address Redacted Roberta E Westdal Address Redacted Roberta J Cordano Address Redacted Roberta J Kirkpatrick Address Redacted Roberta J Nauss Stephanie Kasper Poa Address Redacted Roberta J Sandin Address Redacted Roberta J Westbee Address Redacted ROBERTA JEAN MILLER FAMILY TR Address Redacted Roberta Jean Miller Family Tr Michelle Lingle - Successor Trustee Address Redacted ROBERTA JEAN MILLER FAMILY TR, MICHELLE LINGLE - TRUSTEE Address Redacted Roberta Jo Rieder-Arnt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 510 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 513 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Roberta Jorgenson Address Redacted Roberta Jost Address Redacted Roberta Justine Dahlen Address Redacted Roberta K Martin Address Redacted Roberta L Boltz-Nerone Address Redacted Roberta L Kalman Address Redacted Roberta L Smith Address Redacted Roberta Laframbois Address Redacted Roberta Mccall Address Redacted Roberta Olivo Whitehead Address Redacted Roberta Sand Address Redacted Roberts Royalty LLC Address Redacted Roberts, Shawnte Address Redacted Robin Bjella Address Redacted Robin Buchanan Address Redacted Robin C Burns Address Redacted Robin Charlson Address Redacted Robin Craig Schmidt & Eddie C Schmidt Jtwros Address Redacted Robin E Olson Address Redacted Robin E Shaw Address Redacted Robin G Taylor Ann M Taylor Address Redacted Robin Gail Groce Address Redacted Robin Ginsberg Address Redacted Robin Halseth Address Redacted Robin Hayes Hernandez Address Redacted Robin Iverson Address Redacted Robin J & Wendell Sauter W/H Address Redacted Robin J Barranger Address Redacted Robin J Sauter Address Redacted Robin James Schlothauer Address Redacted Robin Jan Shanker Address Redacted Robin K Charlson Address Redacted Robin L Ahrndt Address Redacted Robin L Hernandez Address Redacted Robin L Swank Address Redacted Robin Laird Brown Address Redacted Robin Lawyer Address Redacted Robin Marie Saari Life Estate Address Redacted Robin Overton Sengelmann Trust C/O Robin Overto Sengelmann Tr Address Redacted Robin Overton Senglemann Separate Property Address Redacted Robin R Costain Address Redacted Robin R Stein Address Redacted Robin Ralph Thompson Address Redacted Robin Ramstein Address Redacted Robin Roets Address Redacted Robin Swaffard Address Redacted Robin Whisnant Address Redacted Robinhood Securities, LLC Corporate Actions 85 Willow Road Menlo Park CA 94025 Robinhood Securities, LLC Corporate Actions Dawn Pagliaro 500 Colonial Center Pkwy #100 Lake Mary FL 32746 Robinson Family LLLP PO Box 893 Garrison ND 58540 Robinson Family Trust Lester H & Myrna I Robinson Trustees Address Redacted

Robinson Management LLC Attn: Edward A Robinson 3200 E. Cherry Creek S. Drive Denver CO 80209 Robinson Mineral Trust Craig A Robinson Co-Tte Kaye R Johnson Co-Tte Address Redacted Robinson, Amy Address Redacted Robinson, Cody Address Redacted Robinson, Patrick Address Redacted Robinson, Wade Address Redacted Robison, Andrea Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 511 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 514 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Robro Royalty Partners Ltd Dba Rrp 2010 Ltd PO Box 671028 Dallas TX 75367-1028 Robs Backhoe Serv & Contract Pumping P O Box 344 Kaycee WY 82639 Robyn A Fell Address Redacted Robyn A Moore Hutchison Address Redacted Robyn Betrice Massey Address Redacted Robyn Hamilton Address Redacted Robyn Kirk Address Redacted Roca Resource Company Inc PO Box 1981 Midland TX 79702 Rochelle Beverly Cerone 138 N Orchard St Apt 3 Watertown NY 13601-8417 Rochelle J Haughton Address Redacted Rochester Minerals LP PO Box 17728 Fort Worth TX 76102 Rock Creek Resources LLC 5306 Travertine Blvd Billings MT 59106 Rock Eagle Ranch Corporation PO Box 458 Bellaire TX 77401 ROCK EAGLE RANCH CORPORATION PO BOX 458 Bellaire TX 77401 Rock Flow Dynamics Inc 1980 Post Oak Blvd, Ste 2030 Houston TX 77056 Rock Island 1979 Exploration Project Co 3838 Oak Lawn Suite 1216 Dallas TX 75219 Rock Reserves Ltd Dallas TX 75267 Rock River Minerals LP PO Box 2539 Midland TX 79702 Rock Well Petroleum Address Redacted Rocke D Woelk Address Redacted Rockie Thielman Address Redacted Rockne L Mullens Address Redacted Rockpile Energy Services LLC 1200 17th St Ste 2700 Denver CO 80202 Rockware Inc Attn: Accounts Payable 2221 East Street #101 Golden CO 80401 Rockwater Energy Solutions North Dakota Inc Po Box 203187 Dept 18709 Dallas TX 75320-3187 Rockwater Energy Solutions PO Box 203997 Dallas TX 75320-3997 Rockwood LLC 1007 Marion St Denver CO 80218 Rocky Jablonsky Address Redacted Rocky L Karst Address Redacted Rocky Mountain Alliance Childrens Foundation Po Box 1798 Denver CO 80201 Rocky Mountain Childhood Cancer Foundation 8371 Southpark Lane Littleton CO 80120 Rocky Mountain Childrens Health Foundation 5394 Marshall St Ste 400 Arvada CO 80002 Rocky Mountain Elk Foundation C/O Kris Lofstrom 3311 Parkview Lane S Fargo ND 58103 Rocky Mountain Exploration Inc Attn: William R Leer 5441 Preserve Pkwy South Greenwood Village CO 80121 Rocky Mountain Feline Rescue 2390 S Delaware St Denver CO 80223 Rocky Mountain Hydrocarbon Llc 1738 Wynkoop St Ste 102 Denver CO 80202 Rocky Mountain Imaging LLC 901 S Vine St Denver CO 80209 Rocky Mountain Inspection Services Inc 369 East 8th Street Greeley CO 80631 Rocky Mountain Mineral Law Foundation 9191 Sheridan Blvd Ste 203 Westminster CO 80031 Rocky Mountain Oil Gas And Minerals LLC PO Box 4344 Greenwood Village CO 80155 ROCKY MOUNTAIN OIL JOURNAL 701 S LOGAN ST STE 112 Denver CO 80209 Rocky Mountain Oilfield Whse 414 S. Elm St. Casper WY 82601 Rocky Mountain Pbs 1089 Bannock Street Denver CO 80204 Rocky Mountain Power Generation Inc 6301 N Broadway Denver CO 80216 Rocky Mountain Power PO Box 26000 Portland OR 97256-0001 ROCKY MOUNTAIN POWER-8510 GENERATION INC 6301 N BROADWAY Denver CO 80216 Rocky Mountain Rett Assoc. PO Box 1294 Morrison CO 80465 Rocky Mountain Schedulers Conference Enbridge Pipelines Attn Shawna Irwin 200 425 1St Sw Calgary AB T2P 3L8 Canada Rocky Mountain Trust Iii Wm B Brice & Trulane Brice Co- Trustees Address Redacted Rocky Mountain Water Northern Co 7502 South Grant St Littleton CO 80122 Rocky Mountain Work Over Inc PO Box 1823 Vernal UT 84078 Rocky Solberg & Laurie Solberg Address Redacted Rocky Thomas Baye Address Redacted Rod M Kiefer Address Redacted Rod Mumm Address Redacted Rod W Snow Address Redacted Rod, Brandon Address Redacted Roda Drilling LP C/O Zenergy 6100 South Yale Suite 1700 Tulsa OK 74136 Rodan Transport (Usa) Ltd PO Box 1177 Mineral Wells TX 76068 Dba Aveda Transportation & Energy Rodan Transport Usa Ltd Services Po Box 677619 Dallas TX 75267-7619 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 512 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 515 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rodella Minerals LLC 10320 N Chatfield Drive Littleton CO 80125 Roden Associates Ltd 2603 Augusta Drive Suite 430 Houston TX 77057 Roden Exploration Co 2603 Augusta Drive Suite 430 Houston TX 77057 Roden Participants Ltd 2603 Augusta Drive Ste 430 Houston TX 77057 Rodeo Mineral Partners LLC PO Box 4631 Englewood CO 80155 Roderick S Coy & Dixie E Coy JT Ten Address Redacted Rodesch Family Trust Dtd 4-2-15 - Dale Rodesch - Tr Address Redacted Rodger L Bruns Address Redacted Rodger M Christiansen Address Redacted Rodger P Mulholland Address Redacted Rodger V Lewis Address Redacted Rodney & Jacalyn Roberts Living Trust Dtd 12/14/12 Rodney & Jacalyn Roberts Ttees Address Redacted Rodney & Rachel Pederson Address Redacted Rodney & Verna Lou Wolf Address Redacted Rodney & Verna Lou Wolf Joint Tenants Address Redacted Rodney A Frink Address Redacted Rodney A Jaeger Address Redacted Rodney A Johnson Address Redacted Rodney A Lindbo & Janet M Lindbo Address Redacted Rodney A Uran Address Redacted Rodney A Van Vorst Address Redacted Rodney Alg & Marilyn Alg Address Redacted Rodney Allen Williamson Address Redacted Rodney B Eichenberger Address Redacted Rodney C Maesner Address Redacted Rodney Christen Address Redacted Rodney D & Marcia B Olson Address Redacted Rodney D & Marcia B Olson Trtees Of Olson Liv Trst U/T/D 10-28-10 Address Redacted Rodney D Anderson And Sharon O Anderson Family Revocable Living Trust Rodney D Address Redacted Rodney D. Collier Address Redacted Rodney E League Address Redacted Rodney H Romine Address Redacted Rodney Holt Address Redacted Rodney J Hagen Address Redacted Rodney J Kadrmas Address Redacted Rodney J R Steffan Address Redacted Rodney J Till- Deceased Address Redacted Rodney J Wahlstrom Address Redacted Rodney Johnson Estate Brian Johnson - Pr Address Redacted Rodney K Enlow Janice K Enlow Address Redacted Rodney Koberstein Address Redacted Rodney Kostelecky Address Redacted Rodney Kostelecky & Dawn E Kostelecky, Jnt Tenants Address Redacted Rodney L Nefsky Address Redacted Rodney L Putnam Address Redacted Rodney Lee Address Redacted Rodney Link Address Redacted Rodney Lynn Gorder Revocable Trust Dtd 5-31-11 Rodney Lynn Gorder - Trustee Address Redacted Rodney M Erickson Address Redacted Rodney M Knutson And Rebecca Knutson As Joint Tenants Address Redacted Rodney M Tofte And Linda M Tofte As Joint Tenants Address Redacted Rodney Norstedt Address Redacted Rodney O Mackenzie Address Redacted Rodney Opperud Address Redacted Rodney R Leach Address Redacted Rodney R Maki Address Redacted Rodney S. Blumhardt & Constance G Blumhardt Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 513 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 516 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rodney Soine Address Redacted Rodney V Gifford And Jacquolin D Gifford Jtwros Address Redacted Rodney W Barstad Address Redacted Rodney W Wanner Address Redacted Rodric N Belgarde Address Redacted Rodrigues, Patricia Address Redacted Rodriguez, Hugo Address Redacted Rodriguez, Raquel Address Redacted ROEC INC Address Redacted Roec Inc C/O William Richardson Address Redacted Rofam Minerals LLC Sigmund J Rosenfeld Sole Mbr Address Redacted Rogene Margaret Brown & Daniel L Uran Ttees Maynard S Uran Mineral Trust Address Redacted Roger & Cathy Blasi Joint Tenants Address Redacted Roger & Michelle Harstad Jt Address Redacted Roger A Baxter Address Redacted Roger A Clark Address Redacted Roger A Hammer Address Redacted Roger A Lindsley Address Redacted Roger A Maki Address Redacted Roger A Swenson & Karen A Swenson Revocable Living Trust Dtd 12/21/12 Address Redacted Roger Allen Anderson Address Redacted ROGER AND BETTY DAHL FAM TRUST Address Redacted Roger And Gloria Heil Joint Tenants Address Redacted Roger And Nadine Armitage Address Redacted Roger And Patricia Skarphol Address Redacted ROGER ANDERSON AND MARION ANDERSON Address Redacted Roger Behm Address Redacted Roger Berman Special Needs Tr Charles H Berman Trustee Address Redacted Roger Cohen Address Redacted Roger D Bamford Address Redacted Roger D Blasi Address Redacted Roger D Frasco Address Redacted Roger D Jacobs Address Redacted Roger D Mac Kenzie Address Redacted Roger D Mccaffree Address Redacted Roger D Neameyer Address Redacted Roger D Schlag Address Redacted Roger D Teselle Address Redacted Roger D. Jennings Address Redacted Roger Decker & Rosalie Decker Address Redacted Roger Drievold Tangeman Address Redacted Roger E & Norma E Newton Trust Under Last Will & Testament Dtd 12-1-83 Address Redacted Roger E Kohlman Address Redacted Roger Engel Address Redacted Roger F Chase Address Redacted Roger G Nelson Address Redacted Roger G. Young Living Trust Address Redacted Roger Gray Mcclendon Address Redacted Roger H & Norma Shafer Address Redacted Roger Harstad Address Redacted Roger Hein Address Redacted Roger Heller Address Redacted Roger Helvie Address Redacted Roger Holt Address Redacted Roger J Engemoen Jr Address Redacted Roger J Hoff Address Redacted Roger J Muggli PO Box 418 Madras OR 97741 Roger J P Hansen Res Tr U/W C/O Bokf Na Agent Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 514 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 517 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Roger James Nesseth Address Redacted Roger K Huebner Address Redacted Roger Klukas Address Redacted Roger L Beavers Inc PO Box 5998 Norman OK 73070 ROGER L BEAVERS INC PO BOX 5998 Norman OK 73070 Roger L Enget Address Redacted Roger L Fairfield And Dixie L Fairfield As Ttees Of Roger L Fairfield Address Redacted Roger L Hecker Jr Address Redacted Roger L Higdem Address Redacted Roger L Meschke Address Redacted Roger L Sanders Family Miner Trust - Laura Ann Van Winkle - Trustee Address Redacted Roger L Valliquette Address Redacted Roger Lee Address Redacted Roger Lindsey Address Redacted Roger M & Stephanie Klym Jnt Tnts, Life Estate Address Redacted Roger M Cymbaluk Address Redacted Roger Mccloud Address Redacted Roger N Borchert C/O Nancy Ann Bochert Address Redacted Roger Norgard Address Redacted Roger P Lundberg Rev Lvng Tr Uad 12/29/1992 Roger P Lundberg Trtee Address Redacted Roger Praus Address Redacted Roger Privratsky Address Redacted Roger R. Ellis Address Redacted Roger Ridl Address Redacted Roger S Allick Address Redacted Roger Skarphol Address Redacted Roger Smith Address Redacted Roger Strom Address Redacted Roger Swanson And Judy Swanson Hw Address Redacted Roger Thorseth Address Redacted Roger Tidwell Richards Address Redacted Roger V Marker Address Redacted Roger W. Lee Address Redacted Roger Wilke Address Redacted Roger Zacher Address Redacted Rogers Minerals Limited Partnership 6933 West Sandpiper Way Florence AZ 85132 Rogers Resources LP James W Rogers - Gm Address Redacted Rogers Winch Inc PO Box 700 Watford City ND 58854 ROGERS WINCH INC PO BOX 700 Watford City ND 58854 Rogers, Kali Address Redacted ROGII INC 11750 KATY FREEWAY SUITE 1010 Houston TX 77079 Rogii Inc 11750 Katy Freeway Ste 1010 Houston TX 77079 ROGII INC. 11750 KATY FREEWAY STE 1010 Houston TX 77079 Rogue Pressure Services Ltd PO Box 204604 Dallas TX 75320-4604 ROHDE/DENNIS E & ANITA F/TRUSTEES Address Redacted Rohloff Living Trust Dtd 9-18-02 - Charles A & Dolores J Rohloff - Trustees Address Redacted Rohr Family Mineral Partnership Roger W Rohr General Partner Address Redacted Rohr, Jennifer Address Redacted Roitman Petroleum LLC C/O Bwab Inc 100 Saint Paul St Ste 305 Denver CO 80206 Rolan D Kjosen Address Redacted Roland O Peterson Address Redacted Roland W James Address Redacted Rolene Owens Address Redacted Rolf Herman Thompson Address Redacted Rolf Storsteen Address Redacted Rolf Torgerson Address Redacted Rolfson Oil LLC PO Box 77063 Cleveland OH 44194-7063 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 515 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 518 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rolfsrud Minerals LLLP 3601 113Th Ave Nw Keene ND 58847 Rolland Baumgarten Address Redacted Rolland Gale Sullivan Address Redacted Rolland R Londot Address Redacted Rollena L Hjorth Address Redacted Roller Family Mineral Trust Dtd 5/22/02, John F Roller & Chryl Krivoruchka, Trustees Address Redacted Roller, Ivan Address Redacted Rollie J Pirkl Address Redacted Rollin E Campbell Address Redacted Rollins, Brandon Address Redacted

Rollo Nesseth - Deceased C/O Pamela Nesseth-Moody Address Redacted Rolo Resources Inc Address Redacted Rom P Welborn Address Redacted Rom Park Welborn Address Redacted Roman Skowron Address Redacted Roman W Fedyk Address Redacted Romane Roach Address Redacted Romanyshyn Rev Liv Trust Myron & Sandra Romanyshyn Trustees Address Redacted Romanyshyn, John Address Redacted Romayne S Baker Oil & Gas Limited Partnership PO Box 3607 Enid OK 73702 Romel Moen Address Redacted Romeo E Bolen Romie Bolen Aif Address Redacted Romo Brothers Address Redacted Romo, Toby Address Redacted Romona T Seber Address Redacted Ron Cooke Address Redacted Ron Frederickson Address Redacted Ron Gaus Address Redacted Ron Henry Address Redacted Ron J & Varla K Voller Jt Address Redacted Ron J Voller Address Redacted Ron Knight Separate Property Address Redacted Ron Linn Address Redacted Ron Thorson Address Redacted Ron Ward Address Redacted Ronald & Connie Lalonde Joint Tenants Address Redacted Ronald & Iris Danielson Ttees Udt Dated 02/24/05 Address Redacted Ronald & Joanne Davidson Mineral Tr Ronald & Joanne Davidson Trtee Address Redacted Ronald & Sharon Weber Family Trust - Ronald & Sharon Weber Co-Trustees Address Redacted Ronald (Ronnie) P Schwindt Address Redacted Ronald A & Mary E Reinholdt Joint Tenants Address Redacted Ronald A Carlson Address Redacted Ronald A Cooley Address Redacted Ronald A Hutton Address Redacted Ronald A. Monack Address Redacted Ronald And Carol Bjerke Address Redacted Ronald And Janet Sanford Address Redacted Ronald B Grenn Address Redacted Ronald B Moellring Address Redacted Ronald B Peterson Address Redacted Ronald Barstad Address Redacted Ronald Bennett Hedstrom L/E Address Redacted Ronald Breedlove Address Redacted Ronald C Sylte Address Redacted Ronald C Sylte And Ruby V Sylte Jtwros Address Redacted Ronald Carlson Address Redacted Ronald Charles Samek Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 516 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 519 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ronald Cleven Trust Uad-5/2/2006 Ronald Cleven, Trustee Address Redacted Ronald Curtis Wold Address Redacted Ronald D Bakken Address Redacted Ronald D Bigler Address Redacted Ronald D Brush Address Redacted Ronald D Catterson Address Redacted Ronald D Fleming Address Redacted Ronald D Gunderson Address Redacted

Ronald D Haug And Carole A Haug Family Minerals Trust Address Redacted Ronald D Huebner Address Redacted Ronald D Kukus Address Redacted Ronald D Lindvig Address Redacted Ronald D Olson (Le) Address Redacted Ronald D Sanford Address Redacted Ronald D Schroeder Address Redacted RONALD D STASTKA BENE OF STEPHEN STASTKA DECEASED IRA E*TRADE CUSTODIAN Address Redacted Ronald Daley Address Redacted Ronald David Mockel Address Redacted Ronald Dobias Address Redacted Ronald Drievold Tangeman Address Redacted Ronald E Brainard Address Redacted Ronald E Drye Address Redacted Ronald E Ellingson Address Redacted Ronald E Hando Address Redacted Ronald E Hansen Address Redacted Ronald E Lazar Address Redacted Ronald E Lee Address Redacted Ronald E Maki Address Redacted Ronald E Qualley Address Redacted Ronald E Ruff Address Redacted RONALD E SATER ALVRONE SATER Address Redacted Ronald Edward Bain Address Redacted Ronald Edward Berg Address Redacted Ronald Egly Address Redacted Ronald Erickson Address Redacted Ronald Evanson Address Redacted Ronald F Mcguire Address Redacted Ronald F Sticka Address Redacted Ronald G Hauf & Janet A Hauf Address Redacted Ronald G Lindley Address Redacted Ronald G Wasfaret Life Estate Address Redacted Ronald Gary Baum Address Redacted Ronald George Whittaker Address Redacted Ronald Gross Estate Cheryl R Garr Pers Repr Address Redacted Ronald H Allen Address Redacted Ronald Haney Address Redacted Ronald Hanson Address Redacted Ronald Hartman Address Redacted Ronald Havelka Address Redacted Ronald Huebner Address Redacted Ronald J Ehlis Janet A Ehlis J/T L/E Address Redacted Ronald J Feehan Address Redacted Ronald J Feehan Revocable Tr Address Redacted Ronald J Penman Address Redacted Ronald J Rykowski Address Redacted Ronald J Ullman Address Redacted Ronald J. Koslowski Address Redacted Ronald Jacobson Address Redacted Ronald Jude Mahtook Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 517 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 520 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ronald K Handlos Address Redacted Ronald K Meeker Address Redacted Ronald K Peterson Trustee Michael W Kordosieur Irrev Supplemental Needs Trust Address Redacted Ronald Kadrmas Address Redacted Ronald Knight Address Redacted Ronald Kubow Address Redacted Ronald L & Elcye A Kubow Living Trust Dtd 9-13-19 Ronald & Elcye Kubow - Tr Address Redacted Ronald L And Linda L Ihmels Address Redacted Ronald L Detienne Address Redacted Ronald L Kopp Address Redacted Ronald L Kuehn Address Redacted Ronald L Olson Address Redacted Ronald L Reas Address Redacted Ronald L Ries Address Redacted Ronald L Starck Address Redacted Ronald M And Margaret A Sannes Address Redacted Ronald M Denowh Address Redacted Ronald M Iverson Carley Iverson - Poa Address Redacted Ronald M Passenger Jr Address Redacted Ronald M Passenger Jr & Sheila Rae Passenger - Joint Tenants Address Redacted Ronald M Passenger Sr & Mona Sue Passenger J/T Address Redacted Ronald M Pederson Address Redacted Ronald Mark Dugan Address Redacted Ronald Mark Sokolosky Address Redacted Ronald Marlenee C/O Chartered Bank Of London Address Redacted Ronald N & Anna Kay Smith Address Redacted Ronald N Ganther And Lauren F Ganther Jtwros Address Redacted Ronald O Gutman Dba Ronco Holdings LLC Address Redacted Ronald O Gutman Life Trust Address Redacted Ronald O Holman Address Redacted Ronald Offutt Address Redacted Ronald P Coulam Address Redacted Ronald Perko Address Redacted Ronald R Boltz Address Redacted Ronald R Haesly Address Redacted RONALD RABBITHEAD C/O PRINGLE & HERIGSTAD, P.C. ATTN: REED A. SODERSTROM 2525 ELK DRIVE Minot ND 58701 2525 Elk Drive PO BOX Ronald Rabbithead C/O Pringle & Herigstad, P.C. Attn: Reed A. Soderstrom 1000 Minot ND 58701 Ronald Raymond Rogalski Address Redacted Ronald S Dutton Address Redacted Ronald S Hintz Address Redacted Ronald S Olson & Marlys Olson J/T Address Redacted Ronald Scott Olson Address Redacted Ronald T Till 9015 Utica Ct Westminster CO 80031 Ronald Toth C/O Vanda T Bunch Address Redacted Ronald Trask Address Redacted Ronald Tweden Address Redacted Ronald V Roderick Address Redacted Ronald V Shaffer Address Redacted Ronald W Allen Trust Wells Fargo Bank, Na, Suc/Tr Address Redacted Ronald W Buxbaum Address Redacted Ronald W Buxbaum & Billie G Buxbaum J/T Address Redacted Ronald W Hays Address Redacted Ronald W Toth Jr Address Redacted Ronald Williams Address Redacted Ronan Design Group Inc Address Redacted Ronda Rae Hansen Address Redacted Ronda T Anderson Address Redacted Ronda Weaver Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 518 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 521 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rondell Family Trust Dtd 10-23-2000 - Susan Gunderson Rondell - Trustee Address Redacted Ronee Mack Laird Address Redacted Ronella J Rene Address Redacted Roni L Schuler Address Redacted Roni Wilson Address Redacted Ronnie Brickman Address Redacted Ronnie D Oswald And Norma J Oswald Of Oswald Family Trust Address Redacted Ronnie Hurley Address Redacted Ronnie L & Mavis I Berry Mineral Trust Dtd 3/28/91 Ronnni L & Mavis I Berry Ttees Address Redacted Ronnie M Quintana Address Redacted Ronnie Neil King Address Redacted Ronnie Schmoker Address Redacted Ronnie Ward Address Redacted ROOSEVELT COUNTY CLERK 400 2ND AVENUE SOUTH Wolf Point MT 59201 Roosevelt County Clerk And Recorder 400 2nd Avenue South Wolf Point MT 59201 Roosevelt County Treasurer 400 2nd Ave S Wolfpoint MT 59201 Roosevelt County Treasurer Betty K Romo County Courthouse 400 2Nd Avenue South Wolf Point MT 59201 Roosevelt County, Mt Treasurer 416 1/2 2nd Ave S Wolf Point MT 59201 Roosevelt Memorial Lodge Bldg Association Inc. PO Box 785 Belfield ND 58622 Ropfogel Sisters Partnership Leonard Ropfogel Manager 125 N Market Ste 1250 Wichita KS 67202 Rory Bolkan Address Redacted Rory D Nelson Address Redacted Rory M Johnsrud Address Redacted Rory Owens Address Redacted Rosa Lee Gilmore Executrix Address Redacted Rosalie Bernhagen L-E 4027 Pepperwood Dr Flower Mound TX 75028

Rosalie G Sitter Page M Zieske And Ronald W Patterson Address Redacted Rosalie O'Brien Address Redacted Rosalie R O'Brien And Ellen Rossmiller Address Redacted Rosalie Richard Revoc Lvg Trst Dtd 8-8-09 Address Redacted Rosalie Sharon Lindvig Life Estate Address Redacted Rosalie Trenbeath Address Redacted Rosalie Wassom Address Redacted Rosalind Grace Clay Address Redacted Rosalyn Baker Address Redacted

Rosalyn Jackson 1999 Mgmt Trst Ryan Jackson Trustee Address Redacted Rosamond Haughton Address Redacted Rosamond Winterton Larson Address Redacted Rosanna Smith Address Redacted Roscoe D & Violet M Long Jtwros Address Redacted Roscoe L Carnrike Address Redacted Rose & Associates LLP PO Box 3406 Pflugerville TX 78691 Rose A Mack Address Redacted Rose Allenberg Address Redacted Rose Barbata Address Redacted Rose C Goyen Address Redacted Rose E Hollan Address Redacted Rose E Slette C/O David Slette Address Redacted Rose E Thompson Family Mineral Trust - Ruth E Lang- Succ Ttee Address Redacted Rose Elbert Address Redacted Rose Exploration Inc Address Redacted Rose G Sadowsky Le Address Redacted Rose Gamache L/E Address Redacted Rose Halvorson Fka Rose Marie Willard Address Redacted Rose J Goldsteen Address Redacted Rose Kiernan Clay Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 519 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 522 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rose M Lowenstein Address Redacted Rose M Storlie Address Redacted Rose M Wanner Life Estate Address Redacted Rose Marie Healy Test Trust Fbo Craig Tantalo C/O First Capital Bank Of Tx 310 West Wall Suite 1200 Midland TX 79701 Rose Marie Migliore Marilyn Migliore Address Redacted Rose Marie Salter Address Redacted Rose Marie Salter & Darrell W Salter J/T Address Redacted Rose Marie Sherman Mack Address Redacted Rose Morehouse Address Redacted Rose Royalty LLC 6730 N Scottsdale Rd Ste 270 Scottsdale AZ 85253 Rose, Kyle Address Redacted Roseanne Elliott Address Redacted Roseanne Lemons Mcdonald Address Redacted Rosebud Oil & Gas LLC 2025 Pryor Lane Billings MT 59102 Rosel Hoever Address Redacted Rosella Erickson Address Redacted Rosella Shirley Widholm Address Redacted Rosemann Mahoney Trust Address Redacted Rosemarie Christianson Address Redacted Rosemarie Mclaughlin Address Redacted Rosemary Ann Hodge Address Redacted Rosemary Byrne Address Redacted

Rosemary C Sharp Trust #3 Gregory A Greenwell Ttee Address Redacted Rosemary Hodges Address Redacted Rosemary Howard Address Redacted Rosemary Hurt Address Redacted Rosemary M Kadrmas Address Redacted Rosemary Mehl Address Redacted Rosemary Miller Address Redacted Rosemary Weber Address Redacted Rosemount Inc PO Box 730156 Dallas TX 75373-0156 8000 Norman Center Drive, Suite Rosemount Inc. Chris Hanson 1200 Bloomington MN 55437 Rosewood Resources, Inc. 2101 Cedar Springs Rd Ste 1500 Dallas TX 75201 Rosewood Resources, Inc. Dept 41300 PO Box 650283 Dallas TX 75265 ROSEWOOD RESOURCES, INC. DEPT 41300, PO BOX 650283 Dallas TX 75265 Rosie Lee Bean Address Redacted ROSIE LEE BEAN RYLANDER Address Redacted ROSIE MAE BEAN Address Redacted Rosina B Dewar Cust Heather Jeppi Dewar Ugma Ca 1121 Fairway Dr Bakersfield CA 93309-2419 Ross A Kaufman Address Redacted Ross Alton Wilmeth Address Redacted Ross And Patricia Salveson Address Redacted Ross Benson Tigner Address Redacted Ross C Blackham Carlene Blackham Address Redacted Ross Cowden Bell Address Redacted Ross E Weaver Address Redacted Ross Emerson Pray Address Redacted Ross Grothe Address Redacted Ross Haugen Address Redacted ROSS KAUFMAN Address Redacted Ross Miller Address Redacted Ross Royalty Williston Ii LP 2100 Ross Ave Ste 1870 Lp-9 Dallas TX 75201 Ross Royalty Williston LLC 2100 Ross Ave Ste 1870 Dallas TX 75201 Ross Salveson Address Redacted Ross, Rick Address Redacted Rossco Crane & Rigging Inc 410 74th St Se Minot ND 58701 Rossford Johnson Address Redacted Rossman Living Trust George J Rossman & Marleen F Rossman, Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 520 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 523 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rossow, Gayle Address Redacted Rostomily Family Trust Dtd 5-31-95 Denis E Horn - Trustee Address Redacted Roswell T. Johnson Address Redacted Roswold, Lauren Address Redacted Roth Consultancy International 9595 S Flower Way Littleton CO 80127 Roth Family 1992 Revocable Tr Joseph M & Grace Roth Trustees U/T/A Dtd 9/28/92 Address Redacted Roto-Versal Compression Services Llc Po Box 841035 Houston TX 77284 Rott Family Trust Dtd 10/1/87 Arthur F Rott & Margaret M Rott, Trustees Address Redacted Roughrider Education Services Program PO Box 412 South Heart ND 58655-0412 Roughrider Electric Coop Inc 800 Highway Drive Hazen ND 58545-4701 Roughrider Electric Coop Inc PO Box 1038 Dickinson ND 58602-1038 Roughrider Electric Coop Inc 800 Highway Drive Hazen ND 58545 ROUGHRIDER ELECTRIC COOP INC 800 HIGHWAY DRIVE Hazen ND 58545-4701 ROUGHRIDER ELECTRIC COOP INC PO BOX 1038 Dickinson ND 58602-1038 ROUGHRIDER ELECTRIC COOP INC-4897 PO BOX 1038 Dickinson ND 58602-1038 Roughrider Electric Cooperative, Inc. Jackie Kovash 2156 4th Ave E PO Box 1038 Dickinson ND 58602-1038 Route 66 Oil & Gas LLC 225 Juniper Dr Bismarck ND 58503 ROUTE 66 OIL & GAS LLC 225 JUNIPER DR Bismarck ND 58503 Rowdys Oil Co Inc 1214 Hillcourt Williston ND 58801-4354 ROWDYS OIL CO INC 1214 HILLCOURT Williston ND 58801-4354 Rowe Family LLLP PO Box 9098 Fargo ND 58106 Rowena Hoyt Address Redacted Rowland N Foster Address Redacted Roxane K Eikom Address Redacted Roxanne Bakken Address Redacted Roxanne Forst Address Redacted Roxanne Gould Address Redacted Roxanne Hurley Address Redacted Roxanne I Olsen Address Redacted Roxanne Klas Address Redacted Roxanne L Brandenburg Address Redacted Roxanne M West Address Redacted Roxanne Meduna Roten Address Redacted Roxanne S Rosengarten Address Redacted Roxie D Mauro Address Redacted Roxie J Scissons Address Redacted Roxie Weninger Address Redacted Roy & Hilda Edmondson Address Redacted ROY & OPAL BARTON REVOCABLE Address Redacted Roy & Opal Barton Revocable Trust Roy G Barton Jr Trustee Address Redacted Roy A Mcmorran Address Redacted Roy B Jones Trust #9-471 Uwo Martha B Jones Address Redacted ROY BARTON Address Redacted Roy Baxter And Diane Baxter Jtwros Address Redacted Roy C Mcclellan Address Redacted Roy Danielson (Successors) Address Redacted Roy Diede And Alyce Diede Address Redacted Roy E Guinnup Address Redacted Roy Edward Hval Address Redacted Roy G Barton Jr Address Redacted Roy G Barton Sr & Opal Barton Revoc Tr -Uta Dtd 1/28/1982 Roy G Barton Jr, Trustee Address Redacted Roy Gibbons Address Redacted Roy H Laird Memorial Jp Morgan Chase Bank Na Address Redacted Roy L Surbrugg Revocable Trust Judy Mann Trustee Address Redacted Roy L Thornton Address Redacted Roy Laycock Address Redacted Roy R Innis Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 521 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 524 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Roy Robert Wilson-Deceased Address Redacted Roy Romanyshyn Address Redacted Roy Royalty Inc PO Box 368 Boys Town NE 68010 Roy Stanley Olsen Address Redacted Roy T Owens Address Redacted ROY THORNTON Address Redacted Roy Uemura & Jane Uemura Ten Com Address Redacted Roy W Moore Address Redacted Roy W Peterson Trust Dtd 4-23-98 Erik & Thomas Peterson Co-Trustees Address Redacted ATTN: MANAGING DIRECTOR, GRM TRADING ROYAL BANK OF CANADA 2ND FLOOR ROYAL BANK PLAZA 200 BAY STREET CREDIT RISK Toronto ON M5J 2W7 Canada Attn: Manager, Capital Market Royal Bank Of Canada Products Operations 8th Floor Rbc Centre 155 Wellington St. West Toronto ON M5V 3HI Canada Attn: Manager, Capital Market Royal Bank Of Canada Products Operations 8th Floor RBC Centre 155 Wellington St. West Toronto ON M5V 3HI Canada Attn: Managing Director, Grm Trading Royal Bank Of Canada Credit Risk 2nd Floor Royal Bank Plaza 200 Bay Street Toronto ON M5J 2W7 Canada

ROYAL BANK OF CANADA-NEW YORK Legal Department Royal Bank of Canada 200 Vesey Street, 12th Floor New York NY 10281 Royal Blue Minerals Ii LP 301 Main St Ste 7 Little Rock AR 72201 Royal Blue Minerals LLC 301 Main St Ste 7 Little Rock AR 72201 Royal Cup Coffee and Tea Attn: Credit Dept 160 Cleage Drive Birmingham AL 35217 Royal Cup Inc PO Box 841000 Dallas TX 75284-1000 ROYAL CUP, INC. P.O. BOX 841000 Dallas TX 75284 Royal Petroleum Company WY 82002 Royal Petroleum LLC 5909 W Twin Oaks St Broken Arrow OK 74011 Royalty Acquisition Co Inc PO Box 851563 Richardson TX 75085-1563 Royalty Asset Holdings Ii LP 5956 Sherry Lane Ste 1221 Dallas TX 75225 Royalty Asset Holdings LLC 5956 Sherry Lane Ste 1221 Dallas TX 75225 Royalty Asset Holdings LP 5956 Sherry Lane Ste 1221 Dallas TX 75225 Royalty Clearinghouse Ltd 201 W 5th St Ste 1350 Austin TX 78701 Royalty Corp Of America P O Box 542 Oklahoma Cy OK 73101 ROYALTY INTERESTS PARTNERSHIP 510 BERING DR SUITE 600 Houston TX 77057 Royalty Interests Partnrshp LP 510 Bering Dr #600 Houston TX 77057 Royalty Investors Group PO Box 410 Allen TX 75013 Royalty Repository Ii LLC PO Box 8049 Rancho Santa Fe CA 92067 Royce & Rosemary Pedersen Living Trust - Calvin R Pedersen - Trustee Address Redacted Royce A And Rosemary Pedersen Joint Tenants Calvin R Pedersen Poa Address Redacted Royce Volkman Address Redacted Rozanna Larson Address Redacted Rozel LLC PO Box 773506 Ocala FL 34477-3506 Rp Services LLC 3160 Perkins Dr Grand Junction CO 81504 Rpm Swabbing Service Co P O Box 3106 Victoria TX 77903 Rpr I LLC First Financial Tr & Asset Management Co Na Agent PO Box 701 Abilene TX 79604 Rrcvih LLC 422 Hobbit Drive Se Cedar Rapids IA 52403-2071 Rrg Energy Consulting LLC C/O Robert R Graham 11908 S Oxford Ave Tulsa OK 74137 RS ENERGY GROUP 600 TRAVIS ST STE 750 Houston TX 77002 Rs Energy Group Inc 600 Travis St Ste 750 Houston TX 77002 RS ENERGY GROUP, INC. 600 TRAVIS STREET SUITE 750 Houston TX 77002 Rsg Properties Ltd 2700 Racquet Club Drive Midland TX 79705 RSI Consulting Pty Ltd Ranjit Singh 1216 Geelong Road Mount Clear VIC 3350 Australia RSI Consulting Pty Ltd. Ranjit Singh 1216 Geelong Road Mount Clear VIC 3350 Australia RTC 105 RTC DR. Reserve LA 70084 Rtd Regional Transportation District Po Box 912380 Denver CO 80291-2380 Rtm Minerals LLC 116 Hazelwood Dr Ft Worth TX 76107 Rtr Oilfield Services LLC 30501 198th St Sw Ryder ND 58779

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 522 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 525 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Rubich Family Trust Michael L Rubich And Melanie R Biel Co-Trustees Address Redacted Rubicon Resources Inc 415 West Boulveard Ave Bismarck ND 58501 Ruby B Miller Address Redacted Ruby D Jacobson Address Redacted Ruby Farms LLP Address Redacted Ruby Fredericks Life Estate Address Redacted Ruby G Sweley Address Redacted Ruby J Dunn Owens Address Redacted Ruby L Fox Address Redacted Ruby L Ransier Address Redacted Ruby L Ransier And Gregory D Ransier Address Redacted Ruby L Ray Address Redacted Ruby Melland Life Estate Address Redacted Ruby Patterson Address Redacted Ruby Preslicka Address Redacted Ruby Resources LLC 1530 P B Lane #3592 Wichita Falls TX 76302-2612 Rudie Martinson 219 12Th Street South #404 Fargo ND 58103 RUDMAN PARTNERSHIP 4851 LBJ FREEWAY STE 210 Dallas TX 75244 Rudolf Fiorenza And Linda Fiorenza Address Redacted Rudolf Fiorenza And Linda Fiorenza As Jt Tnts Address Redacted Rudolph & Deborah Urban Rev Tr Address Redacted Rudolph & Deborah Urban Rev Tr Rudolph J & Deborah G Urban Co-Trustees Address Redacted RUDOLPH GREGORY JR & BILLIE Address Redacted Rudolph Gregory Jr & Billie Jean Gregory Address Redacted Rudolph O Gothenquist Address Redacted Rudy Dan Luther Address Redacted Rudy J Gothenquist Address Redacted Rudy Syminow Address Redacted Ruehle Family Revocable Living Trust Dale Ruehle - Trustee Address Redacted Ruehle Family Revocable Living Trust Dale Ruehle, Trustee Address Redacted Ruemmele Family Mineral Partnership Address Redacted Rull Family Tr Dtd 10-29-89 Wesley Rull, Trustee Address Redacted Rumsey Road LLC PO Box 18744 Oklahoma City OK 73154 Running Horse LLC PO Box 781 New Town ND 58763 Runway Interests LLC 41 Country Road South Village Of Golf FL 33436 rupal patel Address Redacted Rural Texas Broadband Inc PO Box 760185 San Antonio TX 78245 Rusco Operating LLC Attn: Xuan Yong 98 San Jacinto Blvd Suite 550 Austin TX 78701 Rusco Operating LLC PO Box 123850 Dallas TX 75312-3850 RUSCO OPERATING LLC. PO BOX 123850 Dallas TX 75312-3850 RUSCO OPERATING, LLC (RIGUP)-8740 PO BOX 123850 Dallas TX 75312-3850 Rusk Capital Management LLC 7600 W Tidwell Rd Ste 800 Houston TX 77040 Ruskin, Brian Address Redacted Russ Olsen Address Redacted Russel Vosper C/O Michael Jon Vosper Address Redacted Russell A & Kathy J Fields Tst Russell A & Kathy J Fields Trustees Address Redacted Russell A Ballantyne Address Redacted Russell A Unruh Address Redacted Russell And Lila Schroeder Address Redacted Russell B Hagen Rev Trust Dtd 4/14/08 Russell B Hagen Trustee Address Redacted Russell B Icenoggle & Polly Icenoggle T/C Address Redacted Russell Bailey Varineau Address Redacted Russell C Lake 1308 3rd St Hudson WI 54016 Russell C Youngdahl Address Redacted Russell D Evitt Address Redacted RUSSELL D GRIBBON 2001 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 523 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 526 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Russell D Gribbon 2001 Revocable Trust Barry H Gribbon - Trustee 404 Oregon St El Segundo CA 90245 Russell D Papineau Address Redacted Russell D Sylte Trust Dtd 11-10-14 Russell D Sylte - Trustee Address Redacted Russell D Williams Address Redacted Russell Damm Address Redacted Russell Dean Glomstad Address Redacted Russell E Bolen Address Redacted Russell E Houck Address Redacted Russell E Trudell And Bertha E Trudell L/E Address Redacted Russell H Newton Family Minl Trust, Gary R & Robert W Newton, Trustees Address Redacted Russell Holt Address Redacted Russell J Kruzinski & Rose Mary Kruzinski JT Ten Address Redacted Russell J Smith Address Redacted Russell Judd Address Redacted Russell K Honeycutt & Joyce M Honeycutt JT Ten Address Redacted Russell L Jacobson Address Redacted Russell L Larson Address Redacted Russell L Steier & Theresa C Steier, H/W, Jtwros Address Redacted Russell Laemmle Address Redacted Russell Mark Botten Address Redacted Russell Mccloud Address Redacted Russell Mcgrath Address Redacted Russell Mervin Kolberg Address Redacted Russell N Gunderson Address Redacted Russell O Gatzemeier Address Redacted Russell O Henrikson Address Redacted Russell P Meduna Address Redacted Russell Parrent Address Redacted Russell Rud Estate Address Redacted Russell S Hauge Address Redacted Russell S Salsbury Address Redacted Russell S Sampson Address Redacted Russell Scott Karlstad Address Redacted Russell Sylte Address Redacted Russell T Rudy Energy LLC 5701 Woodway Ste 346 Houston TX 77057 RUSSELL T RUDY ENERGY LLC 5701 WOODWAY DR STE 346 Houston TX 77057 Russell T. Evans Address Redacted Russell V Harmon Address Redacted Russell W Sprague Address Redacted Russell W Weber Address Redacted Russell, Bradley Address Redacted Rust Automation & Controls Inc PO Box 367 West Jordan UT 84084-0367 Rusty D Johnson Address Redacted Rusty Investments LLC 6565 Almosta Ranch Rd Prescott AZ 86305 Rusty J Karst Address Redacted Rusty M Wright Address Redacted Ruth & Kenneth Vick Address Redacted Ruth A Feldman-Molm Address Redacted Ruth A Fernandes Address Redacted Ruth A Gholston Address Redacted Ruth A Mccumber Rev Trust Bonnie M Gray Aif & Succ Trustee Address Redacted Ruth A Reidle Trustee Of The Dale & Ruth Reidle Mineral Trt Dated 2/1/12 Address Redacted Ruth Ann Groves Address Redacted Ruth Ann Horner Living Trust Dtd 4-15-14 - Douglas P, Caroline & Theresa Horner - Tr Address Redacted

Ruth Ann Jones Trust Donald Matthew Jones - Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 524 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 527 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ruth Ann Knollman Address Redacted Ruth Ann Roeber Address Redacted Ruth Anne Seib Address Redacted Ruth B Carmeli & Donald K Bouton Address Redacted Ruth Carter Stevenson C/O Overton Park National Bank Trust Division Address Redacted Ruth Carter Stevenson Descendants Revocable Trust Frost Bank - Agent Address Redacted RUTH CHAPMAN COWLES & ANDREW Address Redacted Ruth Christianson Address Redacted Ruth Dianne Jewell C/O Lowell A Breiland Address Redacted Ruth Dschaak Address Redacted Ruth Dwyer Coleman Address Redacted Ruth E Evans Address Redacted Ruth E Feehan Life Estate Address Redacted Ruth E Kopp Address Redacted Ruth E M Swenson Life Estate Address Redacted Ruth E Oksol, Kathleen K Oksol & Karla R Osborn Co Trustees Of The Ruth E Oksol Address Redacted Ruth E Stefonowicz Address Redacted Ruth Eastham Flournoy Trust Address Redacted Ruth Eggen Address Redacted Ruth Elaine Anderson Address Redacted Ruth Elizabeth Dorfner Address Redacted Ruth Elizabeth Dorfner Estate Dori Lentz - Pr Address Redacted Ruth Ellen Maxim Address Redacted Ruth Ellen Vetter Address Redacted Ruth Ellinger Address Redacted Ruth Feehan Address Redacted Ruth Gracy Wise Address Redacted Ruth H Horner Address Redacted Ruth H Nuss Trust 1 Frederick J & Joanne R Nuss & Sheryl K Schamaun Trustees Address Redacted Ruth Ida Tvenge Address Redacted Ruth J Kary Address Redacted Ruth J Salute Address Redacted Ruth J Tolsma Address Redacted Ruth Jacobson Address Redacted Ruth Krueger Address Redacted Ruth L Dschaak Trust Ruth L Dschaak Trustee Address Redacted Ruth L Gress Address Redacted Ruth L Thatcher Resources LLC C/O Paul R Thatcher Address Redacted Ruth M Kojetin Address Redacted Ruth M Lange Address Redacted Ruth M Stepien Address Redacted Ruth Marie Bowen Address Redacted Ruth Michelle Weaver Address Redacted Ruth N Cormany Address Redacted Ruth N. Paterson Address Redacted Ruth Nadine Taylor Address Redacted Ruth O Lewis Estate Address Redacted Ruth Obrigewitch Address Redacted Ruth Onolia Lewis Address Redacted Ruth Parker Wood Rev Trust Address Redacted Ruth Parker Wood Rev Trust Lana Conklin & Crystal Henzi Co-Trustees Address Redacted RUTH PARKER WOOD REV TRUST, LANA CONKLIN & CRYSTAL HENZI Address Redacted Ruth Pederson L/E Address Redacted Ruth S Radcliff Address Redacted Ruth Sands Address Redacted Ruth Stefonowicz Life Estate Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 525 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 528 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ruth Stonecipher Estate C/O Gloria J Stonecipher Address Redacted Ruth Stride Kittleson Address Redacted Ruth Swenson And Kenneth Swenson Life Tenants Address Redacted Ruth Thirud Sands Trust Of 2008 Robyn Miller Stewart - Trustee Address Redacted Ruth Thomas Address Redacted Ruth W Landsaw & Margaret W Gilbert Succ Ttees Margaret S Wirick Trust Address Redacted Ruth Watkins Fell Address Redacted Ruthie Breiland Address Redacted Ruthie Breiland, As Personal Rep Of The Est Of Lowell Breiland Address Redacted Rutledge, Nathan Address Redacted Rutman Fruit Company Minot ND Rvs Minerals LLC Margaret Alice Mcdaniel - Mgr PO Box 1759 Madison MS 39130-1759 Rwls LLC PO Box 862 Levelland TX 79336 Rww Quantum Inc PO Box 59 Bismarck ND 58502-0059 Three Galleria Tower, 13155 Noel Ryan & Co. Attn: Adam Kuhlmeier Rd Ste 100 Dallas TX 75240 RYAN & CO. THREE GALLERIA TOWER 13155 NOEL ROAD SUITE 100 Dallas TX 75240 Ryan A Rykowsky Address Redacted Ryan Anthony Duletski Address Redacted Ryan Clark Muenchow Address Redacted Ryan D Majkrzak Address Redacted Ryan D Senior Address Redacted Ryan Dahle Address Redacted Ryan Eikom Address Redacted Ryan Erik Johnsen Address Redacted Ryan Evenstad Address Redacted Ryan Family Mineral Partnershp Address Redacted Ryan J Fisher Address Redacted Ryan J Johnsrud Address Redacted Ryan J Kostelecky Address Redacted Ryan J Masset Address Redacted Ryan J Meduna Address Redacted Ryan K Vera Address Redacted Ryan L Marlar-Enbom Address Redacted Ryan L Quintana Address Redacted Ryan L. Smith Address Redacted Ryan Lang Address Redacted Ryan Leininger Address Redacted Ryan Living Trust Address Redacted Ryan LLC PO Box 848351 Dallas TX 75284-8351 RYAN LLC PO BOX 848351 Dallas TX 75284-8351 Ryan M Lunsford Address Redacted Ryan Mcmurray And John Mcmurray Jtwros Address Redacted RYAN MOORE SSMTT GST EXEMPT Address Redacted Ryan Moore Ssmtt Gst Exempt Trust, Revised & Restated On 12/22/2008 Address Redacted RYAN MOORE SSMTT GST NON-EXMPT Address Redacted Ryan Moore Ssmtt Gst Non-Exmpt Tr, Rev & Restated 12/22/08 Ryan Moore Ttee Address Redacted Ryan Nesheim & Macy Nesheim David Nesheim - Trustee Address Redacted Ryan Oil Company LLC 2934 1/2 Beverly Glen Circle #432 Los Angeles CA 90077-1724 Ryan Okland 3152 124th Ave Nw Watford City ND 58854 Ryan Servicing LLC 2200 Atlantic St Fl 5th Stamford CT 06902 Ryan Vaira Address Redacted Ryan W Hugelen Address Redacted Ryan Whaley Coldiron Jantzen Peters & Webber Pllc 400 North Walnut Ave Oklahoma City OK 73104 Ryan, Daniel Address Redacted Ryan, LLC Joseph Hummel 13155 Noel Road, Suite 100 Dallas TX 75240 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 526 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 529 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country RYAN, LLC PO BOX 848351 Dallas TX 75284-8351 Ryan, Mary Address Redacted Ryanne N Allen Address Redacted Ryley Carlock & Applewhite Address Redacted Ryne M Mading Address Redacted 6100 SOUTH YALE RZ INC ZENECO INC FKA RZ INC ONE WARREN PLACE AVENUE, SUITE Tulsa OK 74136 S & A Investments LLC 420 Stoneybrook Drive Brandon MS 39042 S & C Farms LLLP 2218 6Th Ave E Williston ND 58801 S & C LUNDBERG Address Redacted S & C Properties PO Box 601295 Dallas TX 75360-1295 S & C Properties C/O Jay S Fikes PO Box 601295 Dallas TX 75360 S & C Sundheim Trust Dtd 1-14-15 - Steven M & Cindy L Sundheim - Trustees Address Redacted S & D Syverson LLC 12799 63rd St Nw Epping ND 58843 S & D Vacuum Services LLC 710 Buffalo St Suite 802 Corpus Christi TX 78401 S & E Royalty LLC 8470 West 4th Avenue Lakewood CO 80226 S & K Stack Testing Inc PO Box 385 Watford City ND 58854 S & P Global Ratings 2542 Collection Center Dr Chicago IL 60693 S & S Consulting Inspection Services Llc 2826 Domino Dr Bismark ND 58503 S & S Contracting P O Box 72 Kaycee WY 82639 S & S Contracting Inc Valerie A Streeter 759 Sussex Rd P.O. Box 171 Kaycee WY 82639 S Alden Perrine Trusts A & B S Alden Perrine Trustee Bank Of Oklahoma Na As Agent Address Redacted S Arthur Stewart Address Redacted S D Wixson Address Redacted S Frank Culberson Address Redacted S G Thigpen Jr Estate Shirley B Thigpen Executrix Address Redacted S Gordan Reese Jr Address Redacted S GORDAN REESE JR Address Redacted S H F Partnership 1750 East Noble Place Littleton CO 80121 S J Alfson Co LLC 7600 Landmark Way Unit 702 Greenwood Village CO 80111-1963 S Lee Hanson Address Redacted S M Dhanani Ltd 8 Canaveral Creek Ln Sugar Land TX 77479 S Reger Family Inc Address Redacted S REGER FAMILY INC Address Redacted S Reger Family Mineral Prtshp Dtd 6/9/06 Address Redacted S Schoenberg & S Schoenberg TR FBO Alyssa Schoenberg A/K/A Alyssa Gatto Grantor Trust UA Auguest 14, 2006 Address Redacted S&P Global Platts PO Box 848093 Dallas TX 75284-8093 S&S Contracting, INC Address Redacted S&S Contractuing,Inc Address Redacted S&S Home Center Inc P O Box 706 Magnolia AR 71754-0706 S&S Safety Consulting 1323 Ben Nevis Ave Broomfield CO 80020 S.R. Kovacs Liv TR 205 Graves Circle Newport News VA 23602 Saabye, Eric Address Redacted Sabinal Royalty LP PO Box 80909 Midland TX 79708 Sabine Holdings LP 312 West Sabine St Carthage TX 75633

Sabine Royalty Trust Simmons Bank Escrow Ag&Ttee PO Box 678600 Dallas TX 75267-8600 Sabre Production Services LLC 11801 Hwy 2 & 52 West Burlington ND 58722 Sabrina A Mayer Address Redacted Sabrina K Steer Address Redacted Sabrina Vaira-Anderson Address Redacted Saccaro Living Trust Anthony R & Margaret G Saccaro Co-Trustees Address Redacted Sacred Heart Catholic Church PO Box 548 La Grange TX 78945 Sacred Heart House Of Denver 2844 Lawrence St Denver CO 80205-2229 Sacred Heart School Endowment Fund C/O The Acting Pastor PO Box 548 La Grange TX 78945 SADDLE BUTTE ASSETS, LLC 858 MAIN AVE SUITE 31 LEGAL DEPARTMENT Durango CO 81301 Saddle Up Inc PO Box 785 Watford City ND 58854 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 527 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 530 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sadler Bieber Law Group Pllc 4605 Post Oak Place Dr Ste 205 Houston TX 77027 SADLER LAW FIRM, LLP 1900 WEST LOOP SOUTH SUITE 700 Houston TX 77027-3282 Safe Software Inc 9639 137A St Ste 1200 Surrey BC V3T 0M1 Canada SAFE SOFTWARE INC. 9639 137A STREET SUITE 1200 Surrey BC V3T 0M1 Canada Safehouse Denver 1649 Downing St Denver CO 80218 Safely Family Trust,1St Natl Bank Of Williston Trustee PO Box 1827 Williston ND 58802-1827 SAFELY FAMILY TRUST,1ST NATL Address Redacted

Safely Family Trust,1St Natl Bank Of Williston Trustee PO Box 1827 Williston ND 58802-1827 Safety Inc PO Box 2559 Grand Junction CO 81502 Safety Technologies Inc PO Box 2358 Bismarck ND 58502-2358 Safety Works LLC 23 Sims St Dickinson ND 58601 Safety-Kleen Systems Inc PO Box 382066 Pittsburgh PA 15250-8066 Safra Securities LLC Corporate Actions 546 Fifth Avenue New York NY 10036 Saga Petroleum Corp 1050 17th St Ste 2460 Denver CO 80265 SAGEMCOM 14651 DALLAS PKWAY #900 Dallas TX 75254 Sagerider Inc 12950 South Kirkwood Ste 160 Stafford TX 77477 Saguache County Treasurer PO Box 177 Saguache CO 81149-0177 Saige Keith Address Redacted Saint Gianna Maternity Home Address Redacted Sainte Foy LLC 1 Shields Court Trophy Club TX 76262 Saka LLC 2488 Aspen Way Billings MT 59106 Sakakawea Area Spill Response, LLC Address Redacted Sakakawea Energy LLC 1414 Ledgebrook Spring Branch TX 78070 Sakakawea Ventures LLC 5610 Ward Rd #300 Arvada CO 80002 Sal Iqbal Address Redacted Sal Lee Oz Anderson Address Redacted Salary.Com LLC PO Box 844048 Boston MA 02284-4048 Salazar Service & Trucking Corp 1360 S Us Hwy 385 Andrews TX 79714 Salem Cemetary Association C/O Judy Wold PO Box 713 Watford City ND 58854 Salerno, Carrie Address Redacted Sall, Jeffery Address Redacted Salli Lou Anderson Address Redacted Sallie D Cavin Address Redacted Sallie E & Mary S Smith Address Redacted Sallie Yarborough Snow Address Redacted Sally A Case Address Redacted Sally A Gillette Address Redacted Sally A Holmes 2011 Rev Trst Sally Holmes & Brandon Holmes Co-Trustees Address Redacted Sally A Pestana Address Redacted

Sally A. Heller (Chas. Schwab Inc Cust IRA Contributory) Address Redacted

Sally A. Heller (Chas. Schwab Inc Cust IRA Contributory) Sally Ann Heller 2760 W. Conifer Dr Eagle ID 83616 Sally Ann Fleckenstein Mastrog Address Redacted Sally Archer Butwin Address Redacted Sally Bouck Address Redacted Sally Dietsche Address Redacted Sally E Dunphy Address Redacted Sally E Pfingsten Address Redacted Sally Elkund Pestana Address Redacted Sally G Bark/Charles Schwab & Co Inc Cust IRA Contributory Address Redacted Sally Gusman Address Redacted Sally Hembree Address Redacted Sally Ingerton Grantor Trust Amarillo Nat'L Bank Ttee c/o Amarillo National Bank Attn: Leslie Weaver PO Box 1 Amarillo TX 79105-0001 Sally Jane Nielson Address Redacted Sally Johnson Address Redacted Sally K Sanchez Address Redacted Sally L West Address Redacted Sally Mclain Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 528 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 531 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sally N Roberts Address Redacted Sally Rehak Address Redacted Sally Roc Address Redacted Sally Ryan Eustice Address Redacted Sally Snow Trout Address Redacted Sally Stenehjem Address Redacted Sally Weman Address Redacted Sallyport Commercial Finance For Regency Energy Services Po Box 4776 #100 Houston TX 77210-4776 Sallyport Commercial Finance For Welldog Po Box 4776 Dept 100 Houston TX 77210-4776 Salsbury Family Trust Dtd 1-23-19 Steven A & Diane L Salsbury-Tr Address Redacted Salt Creek Oil And Gas LLC PO Box 6383 Denver CO 80206 Salvation Army Williston Address Redacted Sam Boltz Family Trust Sam T Boltz Jr Trustee Address Redacted Sam D Pasicznyk Address Redacted Sam Fedge Address Redacted Sam G Harrison Jr Address Redacted Sam G Massey & Kila Massey Living Trust Dated 9-21- 2010 Address Redacted Sam Lee Address Redacted Sam Mccloud Heirs Address Redacted Sam Perner Address Redacted Sam R Hull Address Redacted Sam R Ratcliff Address Redacted Sam R Ratcliff Charitable Fndn Farmers National Co Agent PO Box 3480 Omaha NE 68103-0480 Sam R Ratcliff Charitable Fndn Farmers National Co Agent PO Box 3480 Omaha NE 68103-0480 Sam R Ratcliff Est Irrv Trst Address Redacted Sam R Ratcliff Est Irrv Trst Dtd December 31, 2013 Address Redacted SAM ROSS SLOAN III Address Redacted Sam Saleh Address Redacted Sam Silverberg Trust F/B/O Syliva Smith Marilyn Handler Successor Ttee Address Redacted Sam Tran Address Redacted Samanage Usa Inc 3030 Slater Rd #500 Morrisville NC 27560-8432 Samantha A Hudson Address Redacted Samantha Lorence Address Redacted Samedan Royalty LLC PO Box 731690 Dallas TX 75397-1690 Sami Hammeren Address Redacted Sammie J Honstead Address Redacted Sammie J Huskey Trust A Bank One Na PO Box 990084 Fort Worth TX 76199 Sammie Lester Address Redacted Samsara Resources LLC 6028 South Lima Way Englewood CO 80111-5813 Samson Oil And Gas Usa Inc 1331 17th Street Suite 710 Denver CO 80202 SAMSON OIL AND GAS USA INC 1331 17TH STREET SUITE 710 Denver CO 80202 Samson Resources Attn: Outside Oper Jt Interest 2 W 2Nd St Tulsa OK 74103 Samson Resources Attn: Outside Oper Jt Interest 2 W 2Nd St Tulsa OK 74103 Samson Resources Co Attn: Outside Oper Jt Interest PO Box 972290 Dallas TX 75397-2290 Samson Resources Company Julie A Thomas Aif PO Box 972290 Dallas TX 75397-2300 Samuel A Derby Address Redacted Samuel Bernstein Address Redacted Samuel Butler Iii Trtee Beatriz V Butler Fam Tr U/W Of Beatriz V Butler Address Redacted Samuel D & Margaret Berzin Joint Tenants ***Deceased*** Address Redacted Samuel E Keith III C/O Robert Keith Aif Address Redacted Samuel Ian Baird Address Redacted Samuel J And Patricia Owen Address Redacted Samuel J Beck Address Redacted Samuel J Hardy Address Redacted Samuel J Hardy As Successor Co-Trustee Of Shirley Hardy Trust Dated July 2 2008 Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 529 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 532 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Samuel J Hosey Sr Address Redacted Samuel John Witt And Jerrod David Haas Jtwros Address Redacted Samuel L Hosey Sr Address Redacted Samuel Mark Jobe Address Redacted Samuel R Schaal Address Redacted Samuel Ray Boileau Address Redacted Samuel S Lipscomb & Joan Diane Lipscomb Address Redacted Samuel Silverberg & I L Quait C/O Marilyn Handler Address Redacted Samuel T Sumrall Tr Trustmark Nat Bk Ttee Joe Dick Tr Officer Address Redacted Samuel Thomas Sands Address Redacted Samuel Tyler French Address Redacted Samuel W And Tetta E Frishman Joint Tenants Address Redacted Samuel W Prest Address Redacted Samuel Waters Jenkin V Address Redacted Samuelson, Scott Address Redacted

San Antonio Area Foundation Frost National Bank Agent Acct # Fc22104 PO Box 1600 San Antonio TX 78296-1600 San Luis Valley Rural Electric Cooperative Inc Po Box 3625 Monte Vista CO 81144 Sanchez, Juan Address Redacted Sanctuary Mineral And Royalty Partnership PO Box 50760 Midland TX 74710-0760 Sand Creek Elementary School 8898 S Maplewood Drive Highlands Ranch CO 80126 Sand Creek Resources Inc Address Redacted Sand Creek Resources Inc PO Box 1684 New Town ND 58763 Sand Creek Resources, Inc. PO Box 1684 New Town ND 58763 Sandbox Management LLC 6966 S Utica Ave Tulsa OK 74136 Sandel Boulton Briggs C/O Christy Link Briggs 11568 Hidden Valley Blvd Sandy UT 84092 ATTN: LEWIS & JILL WILKS 4675 S SANDHILL PETROL LLC VINE WAY Englewood CO 80113 Sandhill Petrol LLC Attn: Lewis & Jill Wilks 4675 S Vine Way Englewood CO 80113 Sandi Palaniuk Address Redacted Sandi Ranum Irrevocable Trust Sandra Ranum And Cari Opsta Trustees Of Sandi Ranum Trust Address Redacted Sandi Wisness Address Redacted Sandie House Estate Address Redacted Sandpro 8702 282nd St Nw Berthold ND 58718 Sandra & Cliffton Levorsen J/T Address Redacted SANDRA & CLIFFTON LEVORSEN J/T Address Redacted Sandra A Badinger Address Redacted Sandra A Meinhart Address Redacted Sandra And Raymond Christensen Address Redacted Sandra Angel Address Redacted

Sandra Angel Trust No 1 Rick Lee - Successor Trustee Address Redacted Sandra B Bekken Address Redacted Sandra B Weeke (Heir Of George Broome) Address Redacted Sandra Bakke Address Redacted Sandra Beeman Address Redacted Sandra C Day Carter Address Redacted Sandra C Dundas Address Redacted Sandra Cantey Trust Sandra Cantey & Phelan Wolf Co Trustees C/O Phelan Wolf Address Redacted Sandra Christensen Address Redacted Sandra Court Address Redacted Sandra Cox Moon Bigalow Address Redacted Sandra Crain Address Redacted Sandra D Brown Address Redacted Sandra D Larsen Address Redacted Sandra Dahlager Address Redacted Sandra Dockstader Address Redacted Sandra E Hill Address Redacted Sandra E Stephens Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 530 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 533 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sandra E Transtrom Address Redacted Sandra Edwards Address Redacted Sandra Fay Thomas Brown Sutter Address Redacted Sandra Gayle Almon Address Redacted Sandra Groezinger Address Redacted Sandra Hall Address Redacted Sandra J Bass Address Redacted Sandra J Bergstrom Address Redacted Sandra J Bonner Address Redacted Sandra J Brakke Address Redacted Sandra J Mcmahon Address Redacted Sandra J Reetz Address Redacted Sandra J Reetz Estate Christopher Reetz Exec Address Redacted Sandra J Tuhy & David J Tuhy, J/T As Life Est Address Redacted Sandra J Vance Address Redacted Sandra Jean Border Address Redacted Sandra K Braun Address Redacted Sandra K Duxbury Address Redacted Sandra K Fredrickson Address Redacted Sandra K Klein Address Redacted Sandra K Zarlingo Address Redacted Sandra Kay Ratzsch Address Redacted Sandra Kittleson Address Redacted Sandra Kohlman Address Redacted Sandra L & Roger Peterson Jt Address Redacted Sandra L Armstrong Address Redacted Sandra L Dodson Address Redacted Sandra L Laroque Address Redacted Sandra L Maxwell Address Redacted Sandra L Nelson Address Redacted Sandra L Rieger Address Redacted Sandra Lee Herdt Address Redacted Sandra Levorsen Address Redacted SANDRA LEVORSEN Address Redacted Sandra Lou Hoffman And James Walter Hoffman Jt Le Address Redacted Sandra Lou Hoffman Life Estate Address Redacted Sandra Lund Ulf Address Redacted Sandra M Balstad Address Redacted Sandra M Deichert Address Redacted Sandra M Lange Address Redacted Sandra Maciejewski Address Redacted Sandra Mae Parsons Address Redacted Sandra Mawhinney Address Redacted Sandra Mellick Tweedy C/O Scott Barber Address Redacted Sandra Metz Address Redacted Sandra Pease Address Redacted Sandra Qualley Address Redacted Sandra R Cohen Trust Sandra R Cohen Trustee C/O Eddye Dreyer Address Redacted Sandra R Hodge & Ernest Hodge Address Redacted Sandra R Mount Address Redacted Sandra R Mueller Address Redacted Sandra Rae Rink Address Redacted Sandra Rathburn Address Redacted Sandra Renee Carlson Address Redacted Sandra Rixen Address Redacted Sandra Ruiz Address Redacted Sandra S James Address Redacted Sandra Scott Address Redacted Sandra Shuler Address Redacted Sandra Spaziani Address Redacted Sandra Stageberg Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 531 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 534 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sandra T Westall Address Redacted Sandra Venneman Address Redacted Sandra Winters Address Redacted Sandra Wollan Address Redacted Sandra Z Milanese Living Trust Mario Zampiello & Dorian Zampiello Address Redacted Sandra Zeolla Address Redacted Sands Oil Company Address Redacted Sandy Hecker Address Redacted Sandy J Huntley Address Redacted Sandy K Wahl Address Redacted Sandy M Visser Address Redacted Sandy M Visser Address Redacted Sandy M Visser & Jeff Visser Address Redacted Sandy River Energy LLC PO Box 633 Bismarck ND 58502 SANDY RIVER ENERGY LLC PO BOX 633 Bismarck ND 58502 Sandy River Resources LLC PO Box 633 Bismarck ND 58502 SANDY RIVER RESOURCES LLC PO BOX 633 Bismarck ND 58502 Sandy Wahl & Edward Wahl Address Redacted Sanford C. Bernstein & Co., LLC Anita Bactawar 1 North Lexingtion Ave C/O Ridge White Plains NY 10601 Sanford Dale Address Redacted Sanford Hartt Estate PO Box 1429 Avon Park FL 33826 Sanford M Qvale Carol J Qvale Address Redacted Sanford Wolf Address Redacted Sanilac Co Register Of Deeds PO Box 168 Sandusky MI 48471 Sanish LLC 3195 N 9th St Coeur D Alene ID 83815 Sanish Oil LLC PO Box 2351 Williston ND 58802-2351 Sanish Properties LLC 700 West Harbor Dr #1104 San Diego CA 92101 SANISH PROPERTIES LLC 700 WEST HARBOR DR #1104 San Diego CA 92101 Sanish Properties LLC D W Kukowski 700 W Harbor Dr Unit #1104 San Diego CA 92101 Sannes Family Limited Partnership 2160 Hoodoo Dr Colorado Springs CO 80919 Sanpete County 160 North Main Po Box 100 Manti UT 84642 SANTA ELENA MINERALS LP 400 W ILLINOIS AVE STE 1300 Midland TX 79701 SANTIAGO BELLMUNT MOLINS & NURIA CABUTI BRULL JT TEN Address Redacted Santoshanand Thakkar Address Redacted Sappington Energy Interests PO Box 19160 Houston TX 77224-9160 Saqib N Dhanani Address Redacted Sara A Nestaval Address Redacted Sara A Schreiber Address Redacted Sara Angel Trust Rick Lee - Successor Trustee Address Redacted Sara Ann Ward Address Redacted Sara B Hambley Address Redacted Sara Caya-Giltner Address Redacted Sara Genora Brown Watson Address Redacted Sara L West Address Redacted Sara Logan Henderson Address Redacted Sara M Scott Living Trust Sara M Scott Trustee Address Redacted Sara May Buckman Address Redacted Sara Millspaugh Ingram C/O Texas State Bank Attn: Joe Payne Address Redacted Sara Polensky Hunter Address Redacted Sara Smith Johnson Address Redacted Sara Strain Address Redacted Sara Violet Braten Address Redacted

Sarabelle Braaten Estate Donette Arndt - Personal Rep Address Redacted Sarah Ann Ward Billing Aka Sara A Billing Address Redacted Sarah Baillargeron Address Redacted Sarah Beth Warren Address Redacted Sarah C Byars Address Redacted Sarah E & Gregory J Olef Life Estate Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 532 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 535 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sarah E Brewer Address Redacted Sarah E Halfhide-Buller Address Redacted Sarah E Rainey Address Redacted Sarah E Yeatman Robert D Crossland Aif Address Redacted Sarah Eastham Chapoton Trust Address Redacted Sarah F Smith Exempt Trust Heritage Trust Company Of New Mexico Trustee Address Redacted Sarah Frances Johnson-Welch Address Redacted Sarah Gackle Address Redacted Sarah Hamilton Schlessman Address Redacted Sarah Heggen Address Redacted Sarah J Wick Address Redacted Sarah Jane Folland Address Redacted Sarah Jane Herdine Address Redacted Sarah Jenkins Knudson Address Redacted Sarah Johnson Address Redacted Sarah K Bauer Address Redacted Sarah Krause Address Redacted Sarah L Elton & Justin W Elton, J/T Address Redacted Sarah Lorence Address Redacted Sarah M Bair Address Redacted Sarah M Legett Address Redacted Sarah M Nielson Address Redacted Sarah Mahtook Toce Address Redacted Sarah May Edwards Address Redacted Sarah N Fantz Address Redacted Sarah Rinehart Address Redacted Sarah Rosenberg Estate C/O Art Rosenberg Address Redacted Sarah Sole Rev Int Vivos Tr Sarah Sole Trustee Address Redacted Sarah Sue Lilly Rev Mgmt Trust Sarah Sue Lilly-Michel R Lilly Elizabeth Keir Lilly Co-Ttees Address Redacted Sarah Thigpen Estate Deborah Thigpen Schulten & Ashley W Schulten Co-Per Rep Address Redacted Sarah V Power Address Redacted Sarah Vanlaningham Anderson Address Redacted Sarah Young Watford Aka Sarah Merle Watford Address Redacted Saratoga Royalty LP PO Box 141356 Dallas TX 75214 Sarellen Mcintyre Address Redacted Sas Institute Inc PO Box 406922 Atlanta GA 30384-6922 SAS INSTITUTE INC. SAS CAMPUS DRIVE Cary NC 27513 Sassan Farjami Address Redacted Sasser Royalties LLC 5701 Broadway Ste 200 San Antonio TX 78209 Satellite Shelters Inc 6680 E 86th Ct Commerce City CO 80022 Satellite Shelters Inc 2530 Xenium Ln North Suite 150 Minneapolis MN 55441 Sater Tools & Services LLC 2424 6th Ave Greeley CO 80631 Satermos Hardware Address Redacted Satkin Corp 4001 Edgehill Rd Ft Worth TX 76116 Satra Insulation & Address Redacted Sauer Family Irrev Dynasty Tr Karen Lee Petee Ttee Address Redacted Saurette Family Trust Dated February 2, 2013 Lucien A Saurette & Paula L Saurette, Trustees Address Redacted Sav On Propane Searle Gas Company, Inc. Po Box 1760 Vernal UT 84078 Savage Production Corp PO Box 144 Midland TX 79702 Savage Services Corporation 901 W Legacy Center Way Midvale UT 84047 Savageau LLC 3415 S Clayton Blvd Englewood CO 80113 Savanna Well Servicing Corp PO Box 740 Dickinson ND 58602 Savannah Marie Heil Address Redacted Savannah Minerals Ltd PO Box 452325 Laredo TX 78041 Savant Resources LLC 1999 Broadway Ste 4320 Denver CO 80202-5749 Save The Children 501 Kings Highway East Ste 400 Fairfiled CT 06825 Save The Maah Dah Hey 600 2nd Ave Sw Po Box 129 Watford City ND 58854-0129 Savern Linseth Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 533 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 536 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Savory, James Address Redacted Sawicki Minerals LLC 2410 Louise Lane Billings MT 59102-2126 Saxet Ii Minerals LLC 510 Bering Dr Ste 600 Houston TX 77057 Saxet Iii Minerals LLC 510 Bering Dr Ste 600 Houston TX 77057 Saxton Living Trust Dated Feb 13, 1998 Address Redacted Saxton Living Trust Dtd 2-13-98 Sheila M Jackson - Trustee Address Redacted Say Communications LLC 155 Wooster St #4F New York NY 10012 Sayre Oil LLC C/O Midfirst Bank Attn: Trust/Oil & Gas PO Box 258850 Oklahoma City OK 73125-8850 S-Bar Ranch Declaration Of Trust & Mututal Tr Agreement 8951 Nw New Town ND 58763 S-Bar Ranch Pipeline Mgmt 8951 47th St Nw New Town ND 58763 Sbcm Lander LLC PO Box 19650 Minneapolis MN 55419 SBG ENERGY LLC/RUD TRANSPORTATION-4568 PO BOX 13238 Grand Forks ND 58208 Sbg Energy Services LLC PO Box 13238 Grand Forks ND 58208 SBG PIPELINE SW3903 LLC-6381 Address Redacted Sbm Earthmoving & Construction Llc 7931 N Stateline Ave Texarkana TX 75503 Sbr Partners LLC PO Box 8122 Midland TX 79708 Scadden, David Address Redacted Scanner One Inc 10940 S. Parker Rd, Suite 235 Parker CO 80134 Scarlett B Cameron Address Redacted Scarpino Family Trust Dtd 5-9-05 - Joseph A & Susan Scarpino - Trustees Address Redacted Schaefer, Nicholas Address Redacted Schaefer, Valerie Address Redacted Schaeffer Mfg. Co. Dept. 3518 P.O. Box 790100 St. Louis MO 63179-0100 Schaeffer Oil Company Address Redacted Schafenergy LLC 4307 Southbay Drive Se Manden ND 58554 Schaff-Green Family Address Redacted Schaff-Green Family LLLP Address Redacted Schaper, Ashley Address Redacted Scharleen Torvik Logan Address Redacted Schell, Dustin Address Redacted Schelley G Dyess Address Redacted Schelly A Kealy Address Redacted Scherer, Aaron Address Redacted Schlatter Holdings LLC C/O Gary Schlatter 18685 E Plaza Dr Parker CO 80134 Schledwitz, Krystal Address Redacted Schlegel Trucking LLC 225 Parker Lakes Rd Bigfork MT 59911 SCHLUMBERGER ROD LIFT ROD LIFT CONSULTING DIVISION 713 MARKET DR Oklahoma City OK 73114 SCHLUMBERGER TECHNOLOGY CORPORATION P O BOX 732149 Dallas TX 75373-2149 SCHLUMBERGER TECHNOLOGY CORP P O BOX 732149 Dallas TX 75373-2149 SCHLUMBERGER TECHNOLOGY CORPORATION 5599 SAN FELIPE SUITE 100 Houston TX 77056-2722 Schlumberger Technology Corporation c/o Snow Spence Green LLP Attn: Phil Snow 2929 Allen Parkway Suite 2800 Houston TX 77019

Schlumberger Technology Corporation Phil F. Snow, Snow Spence Green LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 SCHLUMBERGER TECHNOLOGY-63 P O BOX 732149 Dallas TX 75373-2149 Schmaltz, Kevin Address Redacted Schmid Family Trust Address Redacted Schmidt, Todd Address Redacted Schmidt-Lindvig Trust Spw Marilyn Sadie Lindvig And Roy Gene Schmidt Co Trustees Address Redacted Schmit, Rick Address Redacted Schmitz Legacy LLC PO Box 1946 Williston ND 58802 Schneider Electric Systems Usa 33 Commercial St Foxboro MA 2035 Schneider Electric Systems Usa Inc 14526 Collection Center Drive Chicago IL 60693 Schneider Electric Usa Inc 21418 Network Place Chicago IL 60673-1214 Schneider Energy Consulting PO Box 297 Fort Morgan CO 80701 Schneider, Cory Address Redacted Schnell-Brakeley, Harlan Address Redacted Schoch, Chad Address Redacted Schocks Safe & Lock Service 2000 6th St Se Minot ND 58701 Schooler Consulting 5430 County Road 7540 Lubbock TX 79424-6572 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 534 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 537 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Schreiber, Jerald & Mary Ann Schreiber JT TEN Address Redacted Schriver Living Trust - Shirley May Schriver, David Schriver & Carol Lynn Bromberg - Trustees Address Redacted Schulke Enterprises LLC 49361 Us 71 Bemidji MN 56601 SCHULKE ENTERPRISES LLC 49361 US 71 Bemidji MN 56601 Schultz 2006 Living Trust Jane Leslie Schultz Trustee Address Redacted Schultz Revocable Trust Lorraine C Schultz And Clinton I Schultz, Trstee Address Redacted Schulz, Rebecca Address Redacted Schulz, Sonny Address Redacted Schumacher, William Address Redacted Schunke, Keegan Address Redacted Schuster, Kevin Address Redacted Schuyler B Wight Iii Address Redacted Schuyler B Wight Jr Estate Patricia Wight Executrix Address Redacted Schuyler G Wise Address Redacted Schwab, Kenneth Address Redacted Scialdone, Greg Address Redacted Science Works LLC PO Box 2138 Williston ND 58802-2138 Scientific Drilling International Inc P O Box 301036 Dallas TX 75303-1036 Scofield, Chad Address Redacted Scoggin Family Joint Venture C/O Shannon Nealon Address Redacted Scorpio Consulting Inc PO Box 12439 Glendale AZ 85318-2439 Scorpion Oil & Gas Corp Two Allen Center 1200 Smith St Ste 1950 Houston TX 77002 SCORPION OIL & GAS CORP TWO ALLEN CENTER 1200 SMITH ST STE 1950 Houston TX 77002 Scot Alan Carlson Address Redacted Scot Hinman Zajic Irrev Trust Dated 12/28/12 Scot Hinman Zajic Trustee Address Redacted Scot Jerome Fetrow Address Redacted Scot T Panasuk Address Redacted Scotia Capital (USA) Inc. Corporate Actions 250 Vesey Street New York NY 10281 Scotia Capital (USA) Inc. Tim Corso One Liberty Plaza New York NY 10006 Scotia Capital Inc./CDS** Corporate Actions Luisa Domingues 40 King Street W Toronto ON M5h1h1 Canada Scotia Capital Inc./CDS** Lilian Nie Corporate Actions 40 King Street W 23rd Floor Toronto ON M5h1h1 Canada Scott & Colleen Lundberg Jt Address Redacted SCOTT & COLLEEN LUNDBERG JT Address Redacted Scott & Debbie Fladeland J/T Address Redacted Scott & Diana Geiszler Address Redacted Scott & Nancy Meiers Address Redacted Scott A Armentrout Address Redacted Scott A Church Address Redacted Scott A Enbom Address Redacted Scott A Hansen Address Redacted Scott A Jones Address Redacted Scott A Longdo Address Redacted Scott A Thompson Address Redacted Scott Aftem Address Redacted Scott Allan Address Redacted Scott Allen Sikes Address Redacted Scott Alton & Meghan Amy Selby Jt Address Redacted Scott And Peggy Hellandsaas Address Redacted Scott Anderson Address Redacted Scott B Mendro Address Redacted Scott Bartels Address Redacted Scott Brekhus & Mandy Brekhus Address Redacted Scott Buxbaum Address Redacted Scott C Brown Address Redacted Scott C Davidson Address Redacted Scott Cain Address Redacted Scott Cameron Address Redacted Scott Cameron Trust Dtd June 13, 2013 Scott Cameron - Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 535 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 538 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Scott Charles Essig Address Redacted Scott Chelgren Address Redacted Scott Christopher Warden Address Redacted Scott Clothier Address Redacted Scott D Dobbins Address Redacted Scott D Hanson Address Redacted Scott D Trelstad Address Redacted Scott Davidson Address Redacted Scott Drievold Tangeman Address Redacted Scott E & Melissa K Bradley Address Redacted Scott E Sundheim Address Redacted Scott Energy LLC 1010 1st Avenue East Williston ND 58801 SCOTT ENERGY LLC 1010 1ST AVENUE EAST Williston ND 58801 Scott Eric Reichel Address Redacted Scott F Szymanski Address Redacted Scott Fjelstad Address Redacted Scott Fladeland Address Redacted Scott Frederickson Address Redacted Scott G Hansen Ttee S & P Hansen Family Trust Address Redacted Scott Geiszler Address Redacted Scott Goebel Address Redacted Scott Gorman Address Redacted Scott H Hellandsaas Estate Address Redacted

Scott H Hellandsaas Estate Peggy Sue Hellandsaas - Pr Address Redacted Scott H Williams Address Redacted Scott Hagen Address Redacted Scott Harlan Williams Address Redacted Scott Hellandsaas Address Redacted Scott Huft Address Redacted Scott Iverson Address Redacted Scott J Cymbaluk Address Redacted Scott J Mcalmond Address Redacted Scott J Thomas Address Redacted Scott Johnson Address Redacted Scott Jones Address Redacted Scott Julson Address Redacted Scott Keillor Address Redacted Scott L Dumas & Amelia S Dumas Address Redacted Scott L Hajicek And Marilyn S Hajicek, J/T Address Redacted Scott L Johnson Address Redacted Scott L Kinden Address Redacted Scott L Lester And Karen J Lester Hw Address Redacted Scott L Niemitalo & Karen M Niemitalo J/T Address Redacted Scott L Taliaferro Jr Address Redacted Scott L Taliaferro Jr Tust Sep Prop Trst Address Redacted Scott Lawrence Address Redacted Scott Lee Hurd Address Redacted Scott Leiss Address Redacted Scott M & Kristine A Swanson, J/T Address Redacted Scott M & Merry R Knudsvig J/T Address Redacted Scott M Neil Address Redacted Scott Manwaring Address Redacted Scott Matthew Cameron Address Redacted Scott Meiers Address Redacted Scott Mickelson Address Redacted Scott Nelson Address Redacted Scott Olson Address Redacted

Scott P Davis Ttee Davis Family Trust Fbo Scott P Davis Address Redacted Scott Q Adams Address Redacted Scott R & Viola H Danciak Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 536 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 539 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Scott R Alexander Address Redacted Scott R Ericksen Address Redacted Scott R Kuefner Address Redacted Scott R Ridl Address Redacted Scott Real Estate Group LLC Address Redacted Scott Risan Address Redacted Scott Rossmiller Address Redacted Scott Russell Address Redacted Scott S Smith Address Redacted Scott Stein Address Redacted Scott T Ellis Address Redacted Scott Turo Address Redacted Scott W Kubas Address Redacted Scott W Satermo Address Redacted Scott William Harris Address Redacted Scott William Long Address Redacted Scott Wisdahl Address Redacted Scott, Samuel Address Redacted Scotts Hot Shot PO Box 50897 Casper WY 82605 Scotty Ray King Address Redacted Scout Energy Management LLC 4901 Lyndon B Johnson Pwy Ste 300 Dallas TX 75244-6107 SCOUT ENERGY MANAGEMENT LLC 1010 1ST AVENUE EAST Williston ND 58801

SCOUT ENERGY MANAGEMENT LLC Attn: Christopher Scott Gladden 4901 LYNDON B JOHNSON PWY STE 300 Dallas TX 75244-6107 Scout Royalty Corp PO Box 1348 Edmond OK 73083-1348 Scraps Omg LLC 728 La Tosca St Las Vegas NV 89138 ATTN: VINCE DIMURA, 10150 S. CENTENNIAL SCRIPWORLD, LLC EXECUTIVE VICE PRESIDENT PARKWAY, SUITE 450 Sandy UT 84070 Scuba Steves Mobile Wash Address Redacted Scuba Steves Mobile Wash LLC 3309 134th Ave SW Belfield ND 58622-9358 Scythian Ltd 300 N Marienfeld Ste 850 Midland TX 79701 Seaboard Operating Co PO Box 50180 Midland TX 79710 Seadrift Investment Partners I 909 Nw 71st St Oklahoma City OK 73116 c/o Lewis Roca Rothgerber Christie SeAH Steel America, Inc. LLP Attn: Chad S. Caby 1200 17th Street Suite 3000 Denver CO 80202 SeAH Steel America, Inc. Kirk Murray 20445 St. Hwy. 249 Suite 490 Houston TX 77070 Sealy & Smith Foundation 2200 Market Street Suite 500 Galveston TX 77550 Sean D Lambert Address Redacted Sean Douglas Wilson Address Redacted Sean E Patrick Address Redacted Sean Gulbranson Address Redacted Sean Hardy Address Redacted Sean M Forthun Address Redacted Sean M Sweeney Address Redacted Sean Michael Bailey Address Redacted Sean Michael Cope Address Redacted Sean P Hannifin & Frances A Hannifin, Jt Address Redacted Sean Simpson Address Redacted Sean Spaziani Address Redacted Sean Virnig Address Redacted Sean Yarborough Address Redacted Sears Trust Dtd 6-22-94 Sheila Sears - Trustee Address Redacted Second Chances Foundation 9 County Road 8946 Granby CO 80446 Second Wind Fund Inc 899 N Logan St Ste 208 Denver CO 80203-3154 Secure Energy Services Usa LLC 5807 Front Street West Williston ND 58801 Secure Energy Services USA, LLC Peter Maros 3600 205-5th Ave SW Calgary AB T2P2V5 Canada Secure On-Site Services Usa 5807 Front St W Williston ND 58801-8725 Secured Document Shredding Inc 26 W. Industrial Loop Midland TX 79701 Securities & Exchange Comm 6432 General Green Way Stop 0-3 Alexandria VA 22312 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Securities and Exchange Commission Attn: Jolene M. Wise 175 W. Jackson Blvd Suite 1450 Chicago IL 60604

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 537 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 540 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Attn Andrew Calamari, Regional Securities and Exchange Commission New York Regional Office Director 200 Vesey St Ste 400 New York NY 10281-1022 Security Business Capital LLC For Production Lift Companies Po Box 60593 Midland TX 79711 Sedar Filing Service 12 Millennium Blvd Suite 210 Moncton NB E1C 0M3 Canada Sedlacek, Timothy Address Redacted Seery, David Address Redacted SEESAW ENERGY LLC FIRST WESTERN BANK & TRUST ATTN: TRUST DEPT 825 26TH AVE EAST West Fargo ND 58078 Seesaw Energy LLC First Western Bank & Trust Address Redacted Sef Holdings Ltd PO Box 122297 Ft Worth TX 76121 Segal Oil & Gas Inc C/O Andrew Segal 10 East 70th St #6A New York NY 10021-4913 Sei Private Trust Company Eric Greene One Freedom Valley Drive Oaks PA 19456 Sei Private Trust Company/C/O Gwp Diana Mason Corporate Actions 1 Freedom Valley Drive Oaks PA 19456 Sei Private Trust Company/C/O Gwp Eric Greene One Freedom Valley Drive Oaks PA 19456 SEISCO, INC. 5701 CRAWFORD STREET SUITE H New Orleans LA 70123 SEISCO, INC. 5701 CRAWFORD STREET SUITE H New Orleans LA 70123 SEISCO, LLC 5701 CRAWFORD STREET SUITE H New Orleans LA 70123 SEISCO, LLC 915 S. WHITE STREET New Orleans LA 70125 Seismic Exchange Inc 4805 Westway Park Blvd Houston TX 77041 SEISMIC EXCHANGE, INC. 11050 CAPITAL PARK DRIVE Houston TX 77041 SEISMIC MICRO-TECHNOLOGY, INC 8584 KATY FREEWAY SUITE 400 Houston TX 77024 Seispetro Geoconsulting LLC 3639 W Rosewalk Cir Littleton CO 80129 SEISPRO, LLC 1776 YORKTOWN SUITE 500 Houston TX 77056 Seitel Data, Ltd. c/o Clark Hill Strasburger Attn: Duane J. Brescia 720 Brazos Street Suite 700 Austin TX 78701 Seitel Date, Ltd. Attn: Legal Department 10811 S Westview Circle Drive Building C Suite 100 Houston TX 77043 Seitel Solutions Ltd PO Box 202566 Dallas TX 75320-2566 Selby Family 2018 Trust Edward A & Darlene E Selby - Trustees Address Redacted Selby Family Properties LLC Renaissance Assisted Living 2909 Shore Dr Apt 117 Marinette WI 54143 Selby Family Trust Edward And Darlene Selby Ttes Address Redacted Selby Richard Mendro & Betty Jane Mendro Revocable Trust Address Redacted

Select Energy Services, LLC Attn: Randy Friedsam 1233 West Loop South, Suite 1400 Houston TX 77095

Select Energy Services, LLC c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Select Well Service PO Box 203997 Dallas TX 75320-3997 Selina C Transtrom Life Estate Address Redacted Selinger Enterprises Inc 1280 5th St Sw Dickinson ND 58601 Selland Construction Inc PO Box 119 Wenatchee WA 98807 Selma I Schmidt Life Tenant Jolayne M Miller Aif Address Redacted Selma Lee Hull Wineland Hugh F Burnett Poa Address Redacted Selma Levno Address Redacted Selma Levno Life Estate Address Redacted Selma N Burdick As Ttee Of S N Burdick Rev Trust Address Redacted Selmer Braaten Address Redacted Selmer E & Arla F Grasser Family Mineral Trust First International Bank & Tr Address Redacted Selmer Kjorstad Address Redacted Semmen, Chad Address Redacted Semmen, Jordan Address Redacted 400 INVERNESS PARKWAY, SUITE SEMPERA PROFESSIONAL SERVICES 260 Englewood CO 80112 Sempera Professional Services Inc 400 Inverness Pkwy Suite 260 Englewood CO 80112 400 INVERNESS PARKWAY, SEMPERA PROFESSIONAL SERVICES INC. SUITE 260 Englewood CO 80112 Sempera Professional Services Inc. Attn Jon B Clarke P.C. 18 S Wilcox Street Ste 200 Castle Rock CO 80104 Sempra Energy Cash Balance Pla C/O Bokfna Dba Bank Of Texas PO Box 1588 Tulsa OK 74101 Senior Activity Club C/O Sonny Thompson PO Box 12 Belfield ND 58622 Senogles, Colin Address Redacted SENTINELONE 605 FAIRCHILD DR. Mountain View CA 94043 Sentry Crane Services Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 538 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 541 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sentry Crane Services Attn: Michael Waliezer 1505 21st Ave NW Watford City ND 58854 Sentry Crane Services PO Box 10638 Eugene OR 97440 Seopa, Todd Address Redacted Sep-Flatrock LLC 10447 South Jordan Gateway South Jordan UT 84095 Sequoia Royalty Company LLC 8235 Douglas Ave Ste 1200 Dallas TX 75225-6023 Serdal Adali Black Eagle Energy LLC 7115 2nd Ave W Williston ND 58801 Serenity LLC 6300 South Syracuse, Suite 430 Centennial CO 80111 Serge Gleyzerman Address Redacted Sergio Rodriguez Address Redacted Serpentix Automation 11821 Huron St Westminster CO 80234-3423 Servtech Inc 1371 Horizon Ave Lafayette CO 80026 Ses Holdings LLC 1233 West Loop S Ste 1400 Houston TX 77027-9122 Ses Investments Ltd Defined Benefits Plan PO Box 10886 Midland TX 79702 Sessing, Jason Address Redacted Set Five LLC PO Box 161730 Big Sky MT 59716-1730 Seth S Thompson Address Redacted Sethuraman, Jagadeesan Address Redacted Seven Coulee Mineral Tr Address Redacted SEVEN LAKES ENTERPRISES, INC. 2555 TOWNSGATE ROAD SULITE 105 Westlake Village CA 91361 Seven Lakes Technologies 2535 Townsgate Rd Ste 305 Westlake Village CA 91361-5980 Seven M Minerals Holdings LLC Attn: First International Bank & Trust Address Redacted Sever Hauta Harding Gray Address Redacted Severance, Eric Address Redacted Sff Royalty LLC PO Box 2080 Midland TX 79702 Sfog Inc 55 Buffalo Drive Kalispell MT 59901 Sg Americas Securities, LLC Charles Hughes 480 Washington Blvd Jersey City NJ 07310 Sg Americas Securities, LLC Paul Mitsakos 480 Washington Blvd. Jersey City NJ 07310 Sgh Royalty Partners Ltd 2001 Kirby Dr Ste 1313 Houston TX 77019 SGS NORTH AMERICA Address Redacted Shack Bennett Cashen 1999 Trst Regions Bank Acct #439040007 Address Redacted Shack Bennett Cashen 2002 Trst Shack Bennett Cashen Ttee Address Redacted Shadco Address Redacted Shadd Wade Fredericks Address Redacted Shadowfax Mineral Trust Daniel Luckow And Emily Trousil, Ttees Address Redacted Shadwell Resources Group LLC 3031 Grand Avenue #193 Billings MT 59102 Shadwell Resources LLC 2239 Stone Creek Trl Billings MT 59106 Shady Grove Oil Field Services 775 Springhill Rd Laurel MS 39443 Shae Meiers Address Redacted Shaed Ashley Sosa Address Redacted

Shaffer Harrison Russell C/O Raymond S Russell Cust Address Redacted Shafter Lake Royalty PO Box 12208 Dallas TX 75225 Shahir Ghani Address Redacted Shakti Energy LLC 817 Irish Lane Edmond OK 73003 Shakti Energy LLC PO Box 6115 Edmond OK 73083 SHAKTI ENERGY LLC PO BOX 6115 Edmond OK 73083 Shakuntala Jain Address Redacted Shale Oilfield Services LLC PO Box 11404 Williston ND 58803 Shale Royalty LLC PO Box 2407 Fort Smith AR 72902-2407 Shalisha Quinnell 342 Flat Rock Road Nw Sidney MT 59270 Shamrock Properties LLC 1700 Waterfront Parkway, #600 Wichita KS 67206 Shamrock Royalty LLC 200 W Hwy 6 Suite 320 Woodway TX 76712 Shana R Pupa Address Redacted Shanco LLC For Marquis Metal Works Llc Po Box 3159 Minot ND 58702 SHANE A. FROSS Address Redacted Shane Baxter Address Redacted Shane C Mcarthur Address Redacted Shane Christianson Life Estate Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 539 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 542 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country SHANE FROSS Address Redacted Shane Linseth Address Redacted Shane T Wahlstrom Address Redacted Shanhouse, William Address Redacted Shannon B Ulloa Address Redacted Shannon Brigham Address Redacted Shannon Hanson Address Redacted Shannon K Richardson Address Redacted Shannon K. Dusek Address Redacted Shannon L Lowe Address Redacted Shannon L Palmer Address Redacted Shannon Leigh Schlothauer Address Redacted Shannon M Roland C/O Joan Roland Address Redacted Shannon Mineral Trust K B Shannon Trustee C/O Ritter Laber & Assoc Aif Address Redacted Shannon Rivers Address Redacted Shannon Urban Address Redacted Shannon Wojcik Address Redacted Shanyce Jo Fredericks Address Redacted Sharad Purohit Address Redacted Sharalyn Rene Vedaa Estate Milford Allen Vedaa - Pr Address Redacted Sharbono, Michael Address Redacted Sharbono, Sarah Address Redacted Sharbro Energy LLC Address Redacted Sharen Brown Address Redacted Shari Bayoma Address Redacted Shari E Lippincott Address Redacted Shari J Groen Address Redacted Shari L Vitt Address Redacted Shari R Weber Barbara Shimer Poa Address Redacted Shari R Weber Trust Shari R Weber Trustee Barbara Shimer Poa Address Redacted Shari W Temoke Address Redacted Shari Whittinghill Address Redacted Sharian Turnquist As Trustee Of The Sharian Turnquist Living Trust Udt '27-May-09 Address Redacted SHARLA FAY BRUUN Address Redacted Sharle M Beebe Ttee Sharle M Beebe Trust Address Redacted Sharleen J Stigen Address Redacted Sharleen J Stigen & Donald Jt Address Redacted Sharlene A Schuhrke Address Redacted Sharlene Carlson Brown Address Redacted Sharlene Qualley-Jonson Address Redacted Sharlene Thompson Address Redacted Sharlyn Sue Smith Otero Address Redacted Sharon A & Richard Peterson Jtwros Address Redacted Sharon A Armstrong Address Redacted Sharon A Burgess Address Redacted Sharon A Dolan Address Redacted Sharon A Ingeroi Le Address Redacted Sharon A Mccarthy & David P Mccarthy Ttees Sharon A Mccarthy Rev Tr Address Redacted Sharon A Olson Address Redacted Sharon A Peterson Address Redacted Sharon A Woodworth Le Address Redacted

Sharon B & Charles E Lassey And To Survivor Of Either Address Redacted Sharon B Jensen Living Trust Sharon B Jensen & Curtis R Jensen Trustees Address Redacted Sharon Bartz Address Redacted Sharon Bratcher Address Redacted Sharon C Olson-Gibson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 540 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 543 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sharon D Ketterling Address Redacted Sharon D Taylor Address Redacted Sharon Dolan Revocable Trust Wells Fargo Bank - Tr Address Redacted Sharon E Anderson Address Redacted Sharon E Rutledge Trtee Sharon E Rutledge Rev Tr Dtd 42032 Address Redacted Sharon Eastwood Address Redacted SHARON EVANS SURVIVORS TRUST Address Redacted Sharon Evans Survivors Trust Dtd 9-30-15 Sharon Evans - Trustee Address Redacted Sharon Evonne Fessler Address Redacted Sharon F Folkedahl Address Redacted Sharon F Ginther And Douglas Ginther W/H Address Redacted Sharon Fleischauer Address Redacted Sharon Focht Winter Address Redacted Sharon G Koehn Address Redacted Sharon Gravos Address Redacted Sharon Hagan Address Redacted Sharon Hardy Address Redacted Sharon Haugen Address Redacted Sharon Hauncher Address Redacted Sharon Holte Address Redacted Sharon Horne Woodmansee Address Redacted Sharon Howatt Address Redacted Sharon I Duhe Address Redacted Sharon J Harris Address Redacted Sharon J Miles Address Redacted Sharon J Smith Address Redacted Sharon K & Brenton Bergdall Address Redacted Sharon K Brown Address Redacted Sharon K Churchman Address Redacted Sharon K Friedel Address Redacted Sharon K Gardner Address Redacted Sharon K Halverson Address Redacted Sharon K Kerbaugh Address Redacted Sharon K Leach Address Redacted Sharon K Olson-Nieto C/O Dorothy Mckane Address Redacted Sharon K Temple Address Redacted Sharon K Wegleitner Trust Address Redacted Sharon Karsky Address Redacted Sharon Kay Algeo Address Redacted Sharon Kay Blaser Address Redacted Sharon Kupper Address Redacted Sharon L Lewis Address Redacted Sharon L Liudahl Life Estate Address Redacted Sharon L Nelson Address Redacted Sharon L Ray Schiermeister Address Redacted Sharon L Shaide Address Redacted Sharon L Vesenmeir Address Redacted Sharon Lehr Successor Ttee Niemitalo Family Trust Address Redacted Sharon Liudahl Address Redacted Sharon Lynn Campbell Address Redacted Sharon M Eischen Address Redacted Sharon M Frederickson Address Redacted Sharon M Hall Address Redacted Sharon M Keith Estate Address Redacted Sharon M Opsta Address Redacted Sharon M Roberts Address Redacted Sharon M Salz Address Redacted Sharon M Slatery Address Redacted Sharon M Waterman Address Redacted Sharon Manuel Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 541 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 544 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sharon Mcgrath Address Redacted Sharon Mcguire Cordeiro Address Redacted Sharon Morris Address Redacted Sharon Mortenson Address Redacted Sharon O Godfrey Address Redacted Sharon O Kruse Address Redacted Sharon Obrigewitch Address Redacted Sharon Oneal Loerwald Address Redacted Sharon R Decker Address Redacted Sharon R Durfey Address Redacted Sharon R Wickert Address Redacted Sharon Richardson Address Redacted Sharon Rivero Address Redacted Sharon Robb Manis Address Redacted Sharon Rose Flynn & Verne Joliff Address Redacted Sharon Rose Flynn Jolliff Address Redacted Sharon Rott Address Redacted Sharon Schoenberg & Steve Schoenberg JT Ten Address Redacted Sharon Seadar Address Redacted

Sharon Skretting Irrevocable Trust - Sharon Skretting - Tr Address Redacted Sharon Synek Schultz Address Redacted Sharon Thorman Address Redacted Sharon Tribolet Address Redacted Sharon White Address Redacted Sharon Y Eliason Address Redacted Sharon Yvette Dorsey Address Redacted Sharonlee Ruth Mcdonald Shawna M Litterski Poa Address Redacted Sharp Seed Farms LLC PO Box 170 Healy KS 67850 SHARRI CVANCARA Address Redacted Sharri Cvancara And Douglas W Cvancara Address Redacted Sharri L Cvancara Address Redacted Sharri L Jacobs Address Redacted Sharron M Gilbert Address Redacted Sharyn G Thornton Address Redacted Shashi C. Sanghvi Address Redacted Shaula L Swenson Address Redacted Shaun Address Redacted Shauna Axtman And Jason Axtman Address Redacted Shauna Marie Schaffer Address Redacted Shauna Rae Bang Address Redacted Shaunan Detienne Address Redacted Shaunan K Skow Address Redacted Shaunda L Hansen Address Redacted Shaundra Lee Cashdollar Address Redacted Shavano Resources LLC PO Box 372310 Denver CO 80237-9998 Shaw Energy Inc PO Box 192199 Dallas TX 75219 Shaw Resources Limited, LLC Address Redacted Shawn Amrit Address Redacted Shawn D Lee Address Redacted Shawn David Pinney Address Redacted Shawn Davidson Address Redacted Shawn G Gallagher Address Redacted Shawn J Gawryluk Address Redacted Shawn L Dutchak Address Redacted Shawn Landers Address Redacted Shawn Louise Morones Address Redacted Shawn P Hannifin & Frances A Hannifin J/T Address Redacted Shawn Vachal Ttee Vachal Family Minerals Trust Address Redacted Shawn Vandeberg Address Redacted Shawn Verplancke Address Redacted Shawn Welnel Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 542 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 545 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Shawn Wilf Lee Address Redacted Shawn Wing Schmidt Address Redacted Shawna J Finsaas Address Redacted Shawna Stevens Address Redacted Shawnilea Livingston Address Redacted Shay Allsup Lowrey Address Redacted SHAY L SCANLAN Address Redacted Shay L Scanlan Life Estate Address Redacted Shaye Furrh Carlisle Address Redacted Shayne C Heggen Address Redacted Shayne Louise Snyder Address Redacted Shayne Thomas Haustveit Address Redacted Shea Baker Address Redacted Shearer, Gary Address Redacted Sheehan, Marcus Address Redacted Sheehy Living Trust Howard S Sheehy Jr Co-Trustee T Florine Sheehy Co-Trustee Address Redacted Sheelu Varghese Address Redacted Sheep Mountain Ltd Address Redacted Sheila A Stanley Address Redacted Sheila Ann Greene Address Redacted Sheila Ann Reel Patteson Address Redacted Sheila Bobeck Address Redacted Sheila Decker Address Redacted Sheila G. Klein Address Redacted Sheila Hicks Address Redacted Sheila Hollen Address Redacted Sheila J Downs Address Redacted Sheila J Hendrickson-Machler Address Redacted Sheila Johnson Address Redacted Sheila Jonet Address Redacted Sheila Lefeber Address Redacted Sheila M Hilbichuk Address Redacted Sheila Neu Address Redacted Sheila R Fultz Address Redacted Sheila R Mortimer Address Redacted Sheila R Vochatzer Address Redacted Sheila S Jackson Address Redacted Sheila Stroud C/O Adrienne Stroud Address Redacted Sheila Wenzel Address Redacted Sheila Yarham Revocable Mineral Trust Sheila Yarham - Trustee Address Redacted Shelby Hutton & Craig Hastings Address Redacted Shelby R Segar Address Redacted Sheldahl Family Trust Orrin Sheldahl, Phyllis Sheldahl& Patricia French Tte Address Redacted Sheldahl Family Trust Phyllis Sheldahl & Patricia French - Trustees Address Redacted Sheldon A Manekin & Lawrence E Manekin JT Ten Address Redacted Sheldon Arne Berg Address Redacted Sheldon Family Revocable Address Redacted Sheldon Hickel Address Redacted Sheldon Holdings LLC 11028 51st St Nw Ray ND 58849 Sheldon Independent School District 11411 C.E. King Parkway, Ste A Houston TX 77044-7192 Sheldon Linseth Address Redacted Sheldon Salsbury Address Redacted Sheldon Welding & Construction 6571 Highway 40 Tioga ND 58852 Shelene C Boehm Address Redacted Shell Rock Holdings LLC 10390 39Th St Ste 4 Lake Elmo MN 55042 SHELL TRADING (US) COMPANY 1000 MAIN STREET LEVEL 12 Houston TX 77002 SHELL TRADING (US) COMPANY 1000 MAIN, LEVEL 12 ATTN: TINA JONES Houston TX 77002 Shell Trading (Us) Company Attn: Tina Jones 1000 Main, Level 12 Houston TX 77002 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 543 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 546 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country SHELL TRADING (US) COMPANY MIDLAND LEASE CRUDE PO BOX 791 Midland TX 79702 GAS MARKETING US SHELL TRADING (US) COMPANY P.O. BOX 2040 COMMERCIAL GROUP Houston TX 77252 SHELL TRADING COMPANY 1000 MAIN, LEVEL 12 ATTN: TINA JONES Houston TX 77002 SHELL WESTERN E&P INC. PO BOX 576 Houston TX 77001 Shelley Briggs Address Redacted Shelley Christensen Address Redacted Shelley Jean Rosbarsky Fka Shelley Jean Chapman Address Redacted Shelley M Johnson Address Redacted Shelley N C Holl & Stephen T Holl Co-Tte Of The Trygve A Holl Insurance Trust Address Redacted Shelley N C Holl Trust Shelley N C Holl - Trustee Address Redacted Shelley Orozco Address Redacted Shellie Nelson Address Redacted Shells, Eddie Address Redacted Shelly Ann Catterson Address Redacted Shelly Ann Ivie Address Redacted Shelly Ditsworth Ellis Address Redacted Shelly Ewoniuk Address Redacted Shelly Glad Address Redacted Shelly Hill Address Redacted Shelly J Stremcha Address Redacted Shelly K Stee Address Redacted Shelly L Wick Address Redacted Shelly Pauly Address Redacted Shelly Pentico Address Redacted Shelly R Schilken Address Redacted Shelly Rae Quackenbush Address Redacted Shelly Romans Address Redacted Shelly Ventsch Address Redacted Shenea R Rice Address Redacted Shepherd Royalty LLC 5949 Sherry Lane Ste 1175 Dallas TX 75225 Shepherd, Shad Address Redacted Sheree Turner Address Redacted Sheri L Dokken Address Redacted Sheri Lyn Bartholomew Address Redacted Sheridan & Gladys L Mccommons J/T Address Redacted SHERIDAN CO., MT 100 W LAUREL AVE Plentywood MT 59254 Sheridan County Milton E Hovland Trustee Address Redacted Sheridan County, MT Treasurer 100 W Laurel Ave Plentywood MT 59254 Sheridan Electric 6408 Mt-16 Medicine Lake MT 59247-0227 Sheridan Electric Po Box 227 Medicine Lake MT 59247-0227 Sheridan Ransom Address Redacted Sheridan S Mantor Address Redacted Sherie Armitage Special Needs Trust Karen Armitage Trustee Address Redacted Sherill Terry Henderson Address Redacted Sheringham Corporation Bldg Ste 201 14887 Hwy 105 West Montgomery TX 77356 SHERINGHAM CORPORATION TRIAD BLDG STE 201 14887 HWY 105 WEST Montgomery TX 77356 Sherlene Hauck Address Redacted Sherman & Howard LLC 633 Seventeenth Street Suite 3000 Denver CO 80202 SHERMAN & HOWARD, LLC 633 SEVENTEENTH STREET SUITE 3000 Denver CO 80202 Sherman B Watts Address Redacted Sherman Exploration LLC PO Box 2109 Longview TX 75606 Sherman Falkenhagen Address Redacted Sherman H Starr Address Redacted Sherman, Brent Address Redacted Sherral Goodwin Debra Chambers & Marianne Visser Poa Address Redacted Sherran Cope Address Redacted Sherran Petroleum LLC PO Box 35 Guffey CO 80820-0035 SHERRAN PETROLEUM LLC PO BOX 35 Guffey CO 80820-0035 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 544 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 547 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sherrena Freeburg Address Redacted Sherrene L Sundheim Address Redacted Sherrene L Sundheim And Rodney N Sundheim Address Redacted Sherri Leng Address Redacted Sherri Nelson Address Redacted Sherri Tracy Address Redacted Sherrie K Trevino Address Redacted Sherrie Pierce Campbell Address Redacted Sherron P Greeson Address Redacted Sherry Dianne Messier Liv Trst Robert E Walstad, Succ Trustee Address Redacted Sherry Dilworth Ttee Dilworth Special 2012 Trust Dtd 11/5/12 Address Redacted Sherry E Neff Address Redacted Sherry E Scheemaker Address Redacted Sherry Haga Address Redacted Sherry Hooton Address Redacted Sherry L Lieberg Address Redacted Sherry L Mcmorris Address Redacted Sherry L Stensos Address Redacted Sherry Lynn Delaney Address Redacted Sherry Mcmorris & Coy Mcmorris J/T Address Redacted Sherry R & J R Newton Address Redacted Sherry Taylor Address Redacted Sherryl Kulland-Roberts Address Redacted Sherry-Nevada Oil Royalty Co Address Redacted Sherrys Wishes Foundation Address Redacted Sherwood Enterprises Inc Address Redacted Sherwood G Moore Address Redacted Sheryl A Hoodie Address Redacted Sheryl Anderson Address Redacted Sheryl Ann Stephenson Address Redacted Sheryl Boltz Address Redacted Sheryl Dianne Herring Address Redacted Sheryl Foulk Address Redacted Sheryl Gulbranson Address Redacted Sheryl Hardy Address Redacted Sheryl L And Curtis D Binstock Joint Tenants Address Redacted Sheryl L Foulk Address Redacted Sheryl L Lonergan Address Redacted Sheryl L Sewell Address Redacted Sheryl Lee Address Redacted Sheryl Lynn Abel Address Redacted Sheryl Metcalf Address Redacted Sheryl Nesseth Address Redacted Sheryl Schwartz Address Redacted Sheryl Treadwell Address Redacted

Sheryl Volbrecht Life Estate A/K/A Cheryl Volbrecht L/E Address Redacted Sherylee Wrenn Address Redacted Sheryll R Obrien Address Redacted Sheyenne Nelson Hurley Address Redacted Shi International Corp 290 Davidson Ave Somerset NJ 8873 Shi International Corp Attn: Akif Nizam PO Box 952121 Dallas TX 75395-2121 SHI INTERNATIONAL CORP PO BOX 952121 Dallas TX 75395-2121 Shields, Jerry Address Redacted Shift Services LLC 5140 134th Ave Nw Williston ND 58801 Shilo Obrien Address Redacted Shine A Light On Autism 747 8th St Sw #204 Dickinson ND 58601 Shine Unlimited LLC 31017 N 61st St Cave Creek AZ 85331 SHINE UNLIMITED LLC 31017 N 61ST ST Cave Creek AZ 85331 Shinobu Hauge Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 545 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 548 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Shipman, James Address Redacted Shirlee A Mason Address Redacted Shirlene C Cartier Address Redacted Shirlene C Cartier Revocable Trust Dtd 10-7-05 Shirlene C Cartier - Trustee Address Redacted Shirley A Cross Address Redacted Shirley A Drake Address Redacted Shirley A Fiscus Address Redacted Shirley A Goebel Address Redacted Shirley A Jackson Marcus Costopoulos Poa Address Redacted Shirley A Martinez Address Redacted Shirley A Mathews Address Redacted Shirley A Oja Address Redacted Shirley A Sattler Address Redacted Shirley A Walker Life Estate Address Redacted Shirley Althoff Address Redacted Shirley Ann Davis Address Redacted Shirley Ann Hayes Address Redacted Shirley Ann Laukala L/E Attn Martin Bauer Address Redacted Shirley Bervig Address Redacted Shirley Borgman Address Redacted Shirley Bottke Estate Stacy Koland - Pr Address Redacted Shirley Brush Boggs Address Redacted Shirley Courser Address Redacted Shirley Dahmus Address Redacted Shirley Dolezal Address Redacted Shirley E Eigeman Address Redacted Shirley E Mikel Le Address Redacted Shirley Eliason Address Redacted Shirley F Korenchen Kathleen Ostgulen Poa Address Redacted Shirley F Levey Address Redacted Shirley F Mutschler Address Redacted Shirley F Saum Address Redacted Shirley Fancher Address Redacted Shirley Fender Address Redacted Shirley Fitzgerald Address Redacted Shirley Gillund Address Redacted Shirley Guthrie Address Redacted Shirley I Bowen Address Redacted Shirley I Kerbaugh Address Redacted Shirley Imogene Estes Address Redacted Shirley J Arms Address Redacted Shirley J Erickson Address Redacted Shirley J Getz Separate Property Trust Dtd 9-19-11 Shirley J Getz - Trustee Address Redacted

Shirley J Martini Scott A Kemmis Gregory R Kemmis Poa Address Redacted Shirley J Olson As Ttee Of Olson Family Trust Dtd 4/28/06 Address Redacted Shirley J Wyatt Address Redacted Shirley Jean Sanders Ekern Tr Dtd 7-31-11 Sharen K Ekern - Trustee Address Redacted Shirley Jo Morehouse Address Redacted Shirley Jo Murphy Address Redacted Shirley Kay Sanders Address Redacted Shirley L Bergerson And Douglas Bergerson W/H Address Redacted Shirley L Greer Address Redacted Shirley L Mckinnon Estate David L Mckinnon Ex Address Redacted Shirley L Schwab Trust Dtd 3-5-1999 Shirley L Schwab Ttee Address Redacted Shirley Lee L/E Address Redacted Shirley Lisko Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 546 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 549 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Shirley M Erickson Address Redacted Shirley M Kaiser & Werner W Kaiser J/T Address Redacted Shirley M Laird Childrens Trst Regions Bank Trustee Address Redacted Shirley M Macefe Address Redacted Shirley M Olson Address Redacted Shirley M Propp Address Redacted Shirley M Smith Address Redacted Shirley M Smith & Gary W Smith Trustees Of The Smith Rev Liv Trust Dated 10/20/12 Address Redacted Shirley M Smith Rev Mineral Tr Peter Smith Succ Ttee U/A Dtd 6/25/09 Address Redacted Shirley M Solberg Address Redacted Shirley Marsh Truax Life Estate Address Redacted Shirley Mckinnon Address Redacted Shirley Musgrove Meler Address Redacted Shirley Parker Stacie Marshal Aif Address Redacted Shirley R Crain Address Redacted Shirley R Russell Trust Dtd 4-30-02 Address Redacted Shirley S Bowman Address Redacted Shirley S Garrison Address Redacted

Shirley S Sawyer Revocable Tr Agreement Dtd 11/16/92 Address Redacted Shirley Stransky Address Redacted Shirley Sue Hamilton Estate C/O Lee Wayne Baird Address Redacted Shirley Tanner Life Estate Address Redacted Shirley Thomson Address Redacted Shirley Tubbs Address Redacted Shirley Van Horn Address Redacted Shirley W Allen Heritage Trust Farmers National Co, Agent Oil/Gas Management Address Redacted Shirley W Rooney Address Redacted Shirley Wheir Address Redacted Shirlie J Draper Address Redacted Shirline Evans Address Redacted Shiyu Liang Address Redacted Shon David Fandrich Address Redacted 400 EAST KALISTE SALOOM SHORELINE SOUTHEAST LLC ATTN: DANIEL P. HURLEY ROAD SUITE 2600 Lafayette LA 70508 Shotgun Creek Developments, LLC c/o Jones, Gillaspia & Loyd LLP Attn: John Bruster "Bruse" Loyd 4400 Post Oak Parkway Suite 2360 Houston TX 77027 Shriners Hospitals For Crippled Children Northern Trust Bank Tx Agent PO Box 226270 Dallas TX 75222-6270 Shriners Temple 4091 Sturgis Road Rapid City SD 57702 Shryack Living Trust Address Redacted Shu-Fen Gow Address Redacted Shumana Exploration LP PO Box 11245 Midland TX 79702 Shv Energy Usa LLC PO Box 143159 Irving TX 75014 Shyler Darren Hendrickson Donna Hendrickson, Guardian Address Redacted

Shypkowski Family Mineral Trst Joleen Narum, Trustee Address Redacted Sid Roths Its Supernatural & Messianic Vision Po Box 39222 Charlotte NC 28278 Sid W Richardson Fdn Address Redacted Sides, Ethan Address Redacted Sidney A & Phyllis S Martin Irrevocable Trust Address Redacted Sidney Abstract Company PO Box 1448 Sidney MT 59270 Sidney Bardack Address Redacted Sidney F Heath Iii Address Redacted Sidney Herald Leader Address Redacted Sidney Meyers Estate Mitchell S. Meyers Personal Representative Address Redacted Sidney Rental 2508 South Lincoln Ave Sidney MT 59270 SIDNEY S TATUM Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 547 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 550 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Siegfried Group LLP 1201 N Market St Ste 700 Wilmington DE 19801 SIEGFRIED GROUP LLP 1201 N. MARKET ST., SUITE 700 Wilmington DE 19801 Siemens Energy Inc PO Box 121057 Dept 1057 Dallas TX 75312-1057 SIEMENS ENERGY, INC. 10730 TELGE ROAD Houston TX 77095 Siemer Milling Company PO Box 670 Teutopolis IL 62467 Sierra Chemicals Lc 135 Brunett Dr Unit 4 Durango CO 81301 Sierra E Kubas Address Redacted Sierra Hamilton LLC PO BOX 1186 Cypress TX 77410-1186 Sierra Powell Address Redacted Sierra Resources Inc 5121 Gaillardia Corporate Pl Oklahoma City OK 73142 SIERRA RESOURCES INC 5121 GAILLARDIA CORPORATE PL Oklahoma City OK 73142 Siete Velas Partnership 30239 Fairway Run Drive Fair Oaks Ranch TX 78015 Sifuentes Jr., Fred Address Redacted Sig And Marjorie Peterson Address Redacted Sigmar Inc PO Box 2230 Midland TX 79702-2230 Signs Of Sutherland 1021 Pulliam Ave Worland WY 82401 Sigrid Quale Family Mineral Tr Dtd 9/2/03 Address Redacted Siirola, Thomas Address Redacted Sikes Township C/O Wayne Bohrer 8230 53rd St Nw Stanley ND 58784 Silver Spur Resources LLC PO Box 92761 Southlake TX 76092 Silverado Oil & Gas LLP PO Box 52308 Tulsa OK 74152-0308 Silverline Services LLC 1287 Diamond Valley Dr Windsor CO 80550 Silverspur Resources, LLC 475 17th Street Suite 900 Denver CO 80202 SILVIA ISABEL ESCOBAR URIBE & JUAN FERNANDO BOTERO SOTO JT TEN Address Redacted Sim C Callon Jr Address Redacted Simmers 4 Inc 801 North Sewell Ave Miles City MT 59301 Simmons, Wesley Address Redacted Simon W Cohn Address Redacted Simon, Devin Address Redacted Simons Petroleum Inc PO Box 676686 Dallas TX 75267-6686 Simplexgrinnell Lp Dept Ch 10320 Palatine IL 60055-0320 Simplifile Lc 5072 N 300 W Provo UT 84604 Simpson Family Trust Dtd 10-23-91 Grant Simpson - Trustee Address Redacted Simpson Hodnefield Fmly Revoc Trust 3/9/2010 Phyllis Hodnefield, Trustee Address Redacted Attn: Sandeep Qusba and Kathrine Simpson Thacher & Bartlett LLP McLendon 425 Lexington Avenue New York NY 10017 Simpson Thacher & Bartlett LLP PO Box 29008 New York NY 10087-9008 Simpson, Jennifer Address Redacted Sims Family Trust Dtd 6-8-07 Andy Sims & M Brocklebank Co-Trustees Address Redacted SINCLAIR O&G PO BOX 30825 Salt Lake City UT 84130 SINCLAIR OIL PO BOX 30825 Salt Lake City UT 84130 Sinclair Oil & Gas PO Box 30825 Salt Lake City UT 84010 Sinclair Oil & Gas Co PO Box 30825 Salt Lake City UT 84130 SINCLAIR OIL & GAS CO PO BOX 30825 Salt Lake City UT 84130 SINCLAIR OIL & GAS COMPANY PO BOX 30825 Salt Lake City UT 84130 Singer Bros Dept 1063 Tulsa OK 74182 Singer Family LLC PO Box 1883 Santa Fe NM 87504 2601 WEST BELTLINE HIGHWAY SINGLEWIRE SUITE 510 Madison WI 53713 Siote, Katherine Address Redacted Sioux Energy Services LLC PO Box 8081 Williston ND 58802 Sioux Holdings LLC 10390 39th Street North Ste 4 Lake Elmo MN 55042

SIOUX HOLDINGS LLC 10390 39TH STREET NORTH STE 4, Lake Elmo MN 55042 Sioux Pass Recreation Center Robert Johnson,Wj Vitt,Casper Wick,Johnny Cattaneo,Iver Address Redacted Sioux Township PO Box 35 Cartwright ND 58838-0035 Sipe, Robert Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 548 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 551 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Siri Anseth Address Redacted Siri Njos Address Redacted SIRIKKA LOHOEFENER Address Redacted Sirius Controls Inc 1006 W County Road 114 Midland TX 79706-5731 SIRIUS CONTROLS INC. 1006 W COUNTY ROAD 114 Midland TX 79706-5731 Sirius Controls Inc. Address Redacted Sirl Hval Peterson PO Box 284 Port Peck MT 59223-0284 Sirovatco, Olga Address Redacted Sisbro Oil & Gas LLLP 4350 S Monaco St., 5th Floor Denver CO 80237-3400 Sisilea B Johnson Address Redacted Sister Florentine Mazurkiewicz Address Redacted Sister Renee Zastoupil O.S.B. Address Redacted Sister Rosanne Zastoupil O.S.B Address Redacted Sisu Energy Inc 4949 Triple T Rd Stanley ND 58784 Situs Cancer Research Center 1222 W Poplar Rogers AR 72756 SIVALLS INC PO BOX 2792 Odessa TX 79760 Sivalls Inc PO Box 2792 Odessa TX 79760 Six Gun Logistics PO Box 489 Mandaree ND 58757 Six Shooters LLC PO Box 526 Watford City ND 58854 Six T LLC PO Box 481 Sidney MT 59270 Sixty Nine Oil & Gas LP PO Box 101265 Fort Worth TX 76185 SIXTY NINE OIL & GAS LP PO BOX 101265 Fort Worth TX 76185 Sixty-Three A LLLP C/O Meristem Attn: Lynn Karls 701 Carlson Parkway Ste 1400 Minnetonka MN 55305 Sixty-Three B LLLP C/O Meristem Attn: Lynn Karls 701 Carlson Parkway Ste 1400 Minnetonka MN 55305 Skaar Minerals Trust Brian Skaar Trustee Address Redacted Skedsvold Family Trust Dated 04/10/96 1St Natl Bk Tr Williston Ttee Address Redacted Skibay LLLP PO Box 979 Watford City ND 58854 Skillpath Seminars PO Box 804441 Kansas City MO 64180-4441 SKILLSOFT 300 INNOVATIVE WAY, SUITE 201 Nashua NH 03062 Skillsoft Corporation Bank Of America Po Box 405527 Atlanta GA 30384-5527 Skinner, Orion Address Redacted Skinner, Ted Address Redacted Skm Systems Analysis Inc 1 Pearl Street Redondo Beach CA 90277 SKOGLUND EXCAVATING INC PO BOX 209 Moffat CO 81143 Skorheim Revoc Family Trust Dtd 9-19-97 Raymond O Skorheim & Viola O Skorheim, Ttees 534 28th Ave Sw Minot ND 58701 Skr Royalties LLC 5950 Berkshire Lane Ste 1250 Dallas TX 75225 Sks An Oregon Partnership C/O Rbc Wealth Management 805 Sw Broadway Ste 1800 Portland OR 97205 Skt Royalty LLC PO Box 2398 Bismarck ND 58502 SKT Royalty, LLC c/o Fredrickson & Byron, P.A. Attn: Lawrence Bender 1133 College Dr Suite 1000 Bismarck ND 58501 SKT Royalty, LLC Terry Harris 1211 Memorial Hwy Suite 1 Bismarck MD 58502 Skyler Briggs C/O Christy Link Briggs 11568 Hidden Valley Blvd Sandy UT 84092 Skyline Oil LLC 1517 N Grove Drive Alpine UT 84004 SKYLYNE MACHINE & SUPPLY INC P.O. BOX 1650 Sterling CO 80751 Skylyne Machine & Supply Inc PO Box 1650 Sterling CO 80751 Skyworld Oil Nd Ltd 1685 H St Unit 381 Blaine WA 98230 Slagle Family Irrevocable Mineral Trust Dtd 2-4-19 Jordan Slagle - Trustee Address Redacted Slalom Consulting PO Box 101416 Pasadena CA 91189-1416 Slalom LLC 821 2nd Ave Ste 1900 Seattle WA 98104 SLASH V LLC 23 ALLES DRIVE Greeley CO 80631 Slash V LLC A Colorado LLC 23 Alles Drive Greeley CO 80631 Slaugh Fishing Services Inc PO Box 790130 Vernal UT 84079 SLAWSON EXPLORATION COMPANY, INC 727 N WACO STE 400 Wichita KS 67203 SLAWSON EXPLORATION COMPANY, INC. 727 N WACO STE 400 Wichita KS 67203 Slawson Exploration Company, Inc. Greenberg Traurig, LLP Rob Thompson 1144 15th St Ste 3300 Denver CO 80202-2587 SLAWSON RESOURCES CO 727 N WACO STE 400 Wichita KS 67203 SLAWSON RESOURCES CO CONI J STOKES A-I-F 727 N WACO SUITE 400 Wichita KS 67203 Slawson Resources Co Coni J Stokes A-I-F 727 N Waco Suite 400 Wichita KS 67203 SLAWSON RESOURCES COMPANY 727 N WACO STE 400 Wichita KS 67203 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 549 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 552 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sleep In Heavenly Peace Inc 911 Ballard Way Kimberly ID 83341 Sleep Inn & Suites 2400 10th Street Sw Minot ND 58701 Slemin, Tristen Address Redacted Sletten Mineral Tst Dtd 9-6-01 American State Bank & Trust Co Trustee Address Redacted Slichter, Todd Address Redacted Slipstream Environmental Services Llc 2536 Rimrock Ave Ste 400 Box 288 Grand Junction CO 81505 SLIPSTREAM ENVIRONMENTAL SERVICES 772 AIRFIELD LANE Sheridan WY 82801 Slipstream Environmental Services LLC Address Redacted Sloan Family Ltd Partnership June Perner Sloan Address Redacted Sloan Trusts Partnership PO Box 1755 Breckenridge TX 76424 Slp Inc Wireline Services P O Box 1108 301 Whitehead Drive Magnolia AR 71754-1108 Slr International Corporation 22118 20th Ave Se Ste G-202 Bothell WA 98021 Slt Consulting Inc 4461 Waters St Bozeman MT 59718 SM ENERGY COMPANY 3300 A STREET BUILDING 7, SUITE 200 Midland TX 75606 SM Energy Company Attn: David W. Copeland 1775 Sherman Street Suite 1200 Denver CO 80203 Sm Energy Company Department 766 Denver CO 80291-0766 Sm Energy Company PO Box 910766 Denver CO 80291-0766 SM ENERGY COMPANY (WILLISTON OFFICE PURCHASE)-8682 DEPARTMENT 766 Denver CO 80291-0766 Sm Fencing & Energy Services 11074 32 E St Sw Dickinson ND 58601 Smart Document Management LLC 1133 Riverside Ave Fort Collins CO 80524 Smart Family Trust PO Box 1479 Abilene TX 79604 Smart Lite Trust Address Redacted Smart Parts Auto Glass Warehouse Llc 375 Charmony Frontage Road Sterling CO 80751

Smith Family Trust Dtd 9-27-99 Nancy A Smith - Trustee Address Redacted Smith International, Inc. PO Box 732136 Dallas TX 75373-2136 Smith Living Trust Dtd 1/24/2005, Michael A Smith & Frances R Smith, Trustees Address Redacted Smith Minerals LLLP 3480 Woodland Park Valley City ND 58072 Smith Royalties Inc PO Box 1074 Norman OK 73070 Smith, Benjamin Address Redacted Smith, David Address Redacted Smith, Jason Address Redacted Smith, Jedidiah Address Redacted Smith, Justin Address Redacted Smith, Nicholas Address Redacted Smith, Shane Address Redacted Smith, Thomas Address Redacted Smithco Engineering 9660 Grunwald Rd Beasley TX 77417 Smithco Properties Inc PO Box 102020 Denver CO 80250 Smithies Hotshot Service LLC 10805 32nd St Sw Dickinson ND 58601 Smokey Oil LLC 130 Equinox Drive Castle Rock CO 80108 Smoky Hill United Methodist Church 19491 E Smoky Hill Road Centennial CO 80015 Smoky Water Territory Lllp 601 S Grande Ave Bozeman MT 59715 Snake Oil Sales LLC 526 Highland Park Dr Billings MT 59102 Snap On Tools 610 1st Ave Nw Bowman ND 58623 Snell & Wilmer LLP 400 E Van Buren Ste 1900 Phoenix AZ 85004 Snowmass Energy Partners Ltd 3300 S 14th St, Ste 322 Abilene TX 79605 SNOWMASS ENERGY PARTNERS LTD 3300 S 14TH ST, STE 322 Abilene TX 79605 Snyder Family Revocable Trust Justin Wayment Successor Trtee Bar# 7011 Address Redacted Snyder Holdings LLLP Jay Snyder Gp 4096 81st Ave Nw New Town ND 58763 SNYDER OIL CORPORATION P O BOX 970102 Dallas TX 75397 Snyder Oil Corporation C/O Rebecca Van Blaircom 1625 Broadway Ste 2200 Denver CO 80202 Society Of Helpers Sister Angie Kolacinski 4541 S Wood Chicago IL 60609 Society Of St Vincent De Paul 515 20th Ave Se Ste 1 Minot ND 58701 Sode M Boulton Address Redacted Soectre, Inc Leon Draper 603 S State Hwy 49 Suite 101 Jackson CA 95642 Soehren, Michael Address Redacted Soft Suds Inc PO Box 50690 Midland TX 79710 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 550 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 553 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Softvest LP PO Box 89 Abilene TX 79604 Sogi Lc PO Box 1277 Andrews TX 79714 Soik, Logan Address Redacted Soiseth Family Mineral Trust Lynn Soiseth - Trustee Address Redacted Sokolosky Revocable Living Trust Dtd 3-2-94 - Fbo Ryan Robert Rosentahl Address Redacted Sol Stuttman Credit Shelter Tr U/A/D 05/19/88 Robert B Stearns Trustee Address Redacted Solaris Energy Corporation PO Box 3187 Bismarck ND 58502 Solaris Oilfield Site Services Operating Llc 9811 Katy Freeway Ste 700 Houston TX 77024 Solarwinds PO Box 730720 Dallas TX 75373-0720 SOLARWINDS ITSM US INC PO BOX 730720 Dallas TX 75373 Solberg Oil And Gas Holdings LLC 115 54th St Nw Minot ND 58703 Soleim, Justin Address Redacted Solid Energy Resources LLC PO Box 13877 Denver CO 80201 Solium Capital LLC Dept 3530 Po Box 123530 Dallas TX 75312-3530 SoloCorp PO Box 2357 Bismarck ND 58502 Solocorp Fka Jp Furlong Enterprises Inc Attn: Timothy P. Furlong 2101 46th Avenue Southeast #2 Mandan ND 58554 Solveig K Land Address Redacted SOMPO INTERNATIONAL HOLDINGS LTD. 750 3RD AVE STE 18 New York NY 10017 Sondra G Fleming Address Redacted Sonia E Menking Address Redacted Sonia Martinez Address Redacted Sonja Adahl Address Redacted Sonja And Lowell Herfindahl Address Redacted Sonja D Lee Address Redacted Sonja Herfindahl Address Redacted Sonja K Aasen Address Redacted Sonja K Kline Address Redacted Sonja Pedersen Green Address Redacted Sonja Smesmo Address Redacted Sonja T Koogler Address Redacted Sonju Family Mineral Trust Dtd 3-25-10 Michael Sonju, Trustee Address Redacted Sonnenfeld, Mark Address Redacted Sonora Petroleum Corporation Address Redacted Sons Of Norway Vennlig Lodge 4-618 Tioga C/O Lois Daniel Address Redacted Sonya K Nichols 17 Roadrunner Trail Placitas NM 87043 Sonya Lee Stockman Succ Ttee Hd & Sonya Stockman Living Tr Address Redacted SOOL LTD PO BOX 2237 Midland TX 79702-2237 Sool Ltd C/O H L Brown Operating LLC PO Box 2237 Midland TX 79702-2237 SOOL, LTD PO BOX 2237 Midland TX 79702-2237 Soothsayer Royalty LLC 6801 N Broadway Ste 200 Oklahoma City OK 73116 Sophie Lohn C/O Jeanine Suss Address Redacted Sophie Zimbrick Address Redacted Sophus Henriksen Address Redacted Sorenson Bay Minerals LLC 11191 Sand Creek Road New Town ND 58763 Sorenson Family LLLP 5880 88th Ave Nw Ross ND 58776-9100 Sorenson Mineral Management LLLP 12652 22nd St Nw Watford City ND 58854 Sos Well Services LLC 51330 Oro Rd Shelby Tonwship MI 48315 Soulier Family Trust Daniel Martin & Nicholette Marie Soulier - Co-Trustees Address Redacted Sound & Cellular Inc 2800 Pheasant Dr Casper WY 82604 Source Energy Leasehold LP 3333 Welborn St Ste 400 Dallas TX 75219 Source Energy LLC 5181 Ward Rd Ste 202 Wheat Ridge CO 80033-1925 Source Equipment 341 East E Street Ste 115 Casper WY 82601 Sourcerock Exploration LLC 1600 Stout Street Suite 1850 Denver CO 80202 SOURCEROCK EXPLORATION LLC 1600 STOUT STREET SUITE 1850 Denver CO 80202 SOURCEROCK EXPLORATION, LLC 1600 STOUT ST. STE. 1850 Denver CO 80202

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 551 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 554 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Treasurers Office Unclaimed Property South Carolina State Program 1200 Senate St Ste 214 Columbia SC 29201-3734

SOUTH CAROLINA STATE TREASURERS OFFICE UNCLAIMED PROPERTY PROGRAM 1200 Senate St Ste 214 Columbia SC 29201-3734 South Central Communcations Co 20 Nw Third St Evansville IN 47708 South Central Communcations Co PO Box 633497 Cincinnati OH 45263-3497 South Dakota School Of Mines Technology Foundation 330 Kansas City St Rapid City SD 57701-2821 South Dakota State Treasurer Unclaimed Property Division 500 East Capitol Ave Ste 212 Pierre SD 57501-5070 South Epley Inc P O Box 9774 Midland TX 79708 South Fork Exploration LLC PO Box 1782 Billings MT 59103 South Heart Lions Club PO Box 181 South Heart ND 58655 South Heart Public School 310 4th St Nw South Heart ND 58655 South Park Royalty Co LLC PO Box 8946 Denver CO 80201-8946 South Point Properties LLC PO Box 7386 Houston TX 77248 SOUTH POINT PROPERTIES LLC PO BOX 7386 Houston TX 77248 South San Jose Oil Company PO Box 508 Littleton CO 80160 Southcross Marketing Co Ltd Attn: Treasury Department 2103 Citywest Blvd Ste 900 Houston TX 77042-2835 Souther Solutions Inc 12337 W 6th Pl Golden CO 80401 SOUTHER SOLUTIONS, INC. 12337W 6TH PL. Golden CO 80401 Souther, Lynette Address Redacted Souther, Shelbi Address Redacted SOUTHERN NATURAL GAS COMPANY, L.L.C. 1001 LOUISIANA ST STE 1000 Houston TX 77002 Southern Petroleum Exploration 210 Charles St Sistersville WV 26175 Southern Petroleum Laboratories, Inc c/o SPL, Inc. Attn: Brandon Pere 101 Ibex lane Broussard LA 70518 Southern Pine Electric Power 834 Ms-28 Taylorsville MS 39168-0060 Southern Pine Electric Power Po Box 60 Taylorsville MS 39168-0060 Southern Pine Electric Power Association Po Box 60 Taylorsville MS 39168-0060 Southern Pine Electric Power Assoc. Dan Davis 3215 Louis Wilson Drive Brandon MS 39042 Southern Pine Electric Power Association PO Box 60 Taylorsville MS 39168 Southern Pipe Electric Power Assoc. 4330 Hwy. 39 North Meridian MS 39301 Southern Pipe Electric Power Assoc. PO Box 5738 Meridian MS 39302 Southern Resources Inc 4509 North Classen Suite 201 Oklahoma City OK 73118 Southern Revocable Trust Ii Address Redacted Southfork Oil LLC PO Box 115 Ray ND 58849 Southland Ranches Inc 11611 Oak Shadows Lane Houston TX 77024 Southwest Area Human Resources Association Po Box 132 Dickinson ND 58601 Dba Titan Factoring For Diversified Southwest Bank Factoring Equipment Po Box 14367 Odessa TX 79768 Southwest Business Machines 564 23rd Ave E Dickinson ND 58601 Southwest Mobile Storage Inc 1005 N 50th St Phoenix AZ 85008 Southwest Petroleum Company PO Box 702377 Dallas TX 75370-2377 Southwest Petroleum Land Services LLC 100 N Pennsylvania Roswell NM 88203 Southwest Rail Industries, Inc. Chris Garmoe PO Box 65 Weimar TX 78962 Southwest Royalties Inc PO Box 53570 Midland TX 79710-3570 SOUTHWEST ROYALTIES INC PO BOX 53570 Midland TX 79710-3570 Southwest Tool Company PO Box 1007 Big Spring TX 79721-1007 Southwest Water Authority 4665 2nd Street Southwest Dickinson ND 58601-7231 Southwestern A-1 Pest Control Inc 2008 Birdwell Lane Big Spring TX 79720 Southwestern District Health Unit 227 16th St West Dickinson ND 58601 Sozo International PO Box 310 Lafayette CO 80026 Spa Family LLC PO Box 271780 West Hartford CT 6127 Spark Monkey Fab & Design LLC 2407 15th St E Williston ND 58801-4018 Sparkletts And Sierra Springs PO Box 660579 Dallas TX 75266-0579 Sparks, Joel Address Redacted Sparrow Investments LLC PO Box 2418 Bismarck ND 58502 Spartan Minerals & Royalty LLC 303 South Union St Unit #1 Traverse City MI 49684 Spartan Minerals LLC 303 S Union Street Unit #1 Traverse City MI 49684 Spear C LLC PO Box 2756 Casper WY 82602 Spear Energy LLC PO Box 167 Bottineau ND 58318 Spearfish Oilfield Supply PO Box 426 Westhope ND 58793 Spearfish Oilfield Supply PO Box 426 Westhope ND 58793 Spec Tech Threading Inc PO Box 1133 Williston ND 58802-1133 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 552 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 555 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country SPEC TECH THREADING INC PO BOX 1133 Williston ND 58802-1133 Special Counsel Inc Dept Ch 14305 Palatine IL 60055-4305 Special Jhr Corp Or Jhr Corportation 533 Washington Ave Bridgeville PA 15017 Specialized Technological Threading Inc PO Box 1133 Williston ND 58802-1113 SPECIALIZED TECHNOLOGICAL THREADING INC PO BOX 1133 Williston ND 58802-1113 Specialized Technological Threading Inc PO Box 1133 Williston ND 58802-1113 SPEC-TECH 6203 S 39TH WEST AVE Tulsa OK 74132 Spectre, Inc Leon Draper 603 S State Hwy 49 Suite 101 Jackson CA 95642 Spectrum Tracer Services PO Box 733849 Dallas TX 75373-3849 Spellman, Dakota Address Redacted Spence Living Trust Charles F Spence Trustee Address Redacted Spencer D Littlefield Address Redacted Spencer Schreiber Address Redacted Spencer, Jackson Address Redacted Spider Investments LLC 16420 Se Mcgillivray Blvd Suite 103 Pmb 195 Vancouver WA 98683 16420 SE MCGILLIVRAY BLVD Spider Investments, LLC STE 103 PMB 195 Vancouver WA 98683 Spindletop Exploration Co Inc PO Box 25163 Dallas TX 75225 Spinnaker Investments, LP PO Drawer 3488 Midland TX 79702 Spirit Global Energy Solutions Inc Po Box 732393 Dallas TX 75373-2393 Spiro Energy Solutions 1400 Broadfield Suite 200 Houston TX 77084 Spiro Resources Ltd PO Box 6387 San Antonio TX 78209 Spitzer Family Trust Jerome & Judith Spitzer - Tr Address Redacted SPL SOLUTIONS 5057 OWAN INDUSTRIAL PARK UNIT 5 Williston ND 58801 Spl Southern Petroleum Lab Inc PO Box 842013 Dallas TX 75284-2013 Split Creek Enterprises LLC 6311 N Lakepoint Pl Parker CO 80134 SPLIT CREEK ENTERPRISES LLC 6311 N LAKEPOINT PL Parker CO 80134 SPLIT CREEK ENTERPRISES, LLC 6311 N LAKEPOINT PL Parker CO 80134 Split Mountain Pipe & Supply Inc 1120 East Hwy 40 Vernal UT 84078 Split Rock Services - Tubular Division Llc Po Box 10445 Williston ND 58803 Split Rock Services Inc PO Box 10445 Williston ND 58803 Spm Flow Control Inc PO Box 99395 Fort Worth TX 76199-0395 Spn Well Services Inc PO Box 201934 Dallas TX 75320-1934 Spore, Jacob Address Redacted Spotlight Inc 7995 E Prentice Ave Ste 100 Greenwood Village CO 80111-2710 Spottie Inc 100 Rancho Circle Las Vegas NV 89107 Sprague, Jamie Address Redacted Spreckels Sugar Company Inc 83550 Country Road 21 Renville MN 56284 Spriggs, Ryan Address Redacted SPRING CREEK EXP & PROD CO LLC 1200 17TH ST STE 2000 Denver CO 80202 Springbok Energy Partners Ii 5950 Berkshire Lane Ste 1250 Dallas TX 75225 Springbok Energy Partners LLC 5950 Berkshire Lane Ste 1250 Dallas TX 75225 Spur Creek Royalty Ltd PO Box 3446 Midland TX 79702 Spur Energy Inc Attn Edward C Welsh 110 Kennedy Ave #3 San Antonio TX 78209 Spyco Oilfield Services LLC PO Box 1145 Vernal UT 84078 SQL SENTRY, LLC, D/B/A SENTRYONE 4001B YANCEY RD Charlotte NC 28217 Squires & Company 800 E Campbell Road Suite 134 Richardson TX 75081 Squires & Company 800 E. Campbell Road, Ste. 800 Richardson TX 75081 Squires & Company 800 E Campbell Rd Ste 134 Richardson TX 75081 Squix Cleaning Services PO Box 2423 Williston ND 58802 Squix Cleaning Services Inc. Po Box 2423 Williston ND 58802 Sr Royalty LLC 1999 Broadway Ste 4320 Denver CO 80202-5749 Sr&M Services LLC 603 Madison Kermit TX 79745 Srbi O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Src Energy Inc 1775 N Sherman St Ste 3000 Denver CO 80203-4341 SREKAIT, LLC PO BOX 497 Hartland WI 53029 Srp Holding Company Springcreek Resources Pt Ltd PO Box 116224 Carrollton TX 75011-6224 Srr Properties Inc C/O Sandy Robertson 825 Francisco Street San Francisco CA 94109 Srr Properties Inc C/O Sandy Robertson 825 Francisco Street San Francisco CA 94109 Srt Communications Inc 3615 North Broadway Minot ND 58703 SRT Communications Inc Po Box 2027 Minot ND 58702-2027 Srt Communications, Inc PO Box 2027 Minot ND 58702-2027 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 553 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 556 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ssb - Blackrock Institutional Trust Linda Selbach 45 Fremont Street San Francisco CA 94120-7101 Ssb - Blackrock Institutional Trust Trina Estremera 1776 Heritage Drive North Quincy MA 02171 Ssb - Trust Custody Ed Chaney Vice President 1200 Crown Colony Drive Quincy MA 02169 Ssb&T Co/Client Custody Services Myriam Piervil Assistant Vice President 1776 Heritage Drive North Quincy MA 02171 Ssjc Operation Ltd LP PO Box 2064 Abilene TX 79604 St Annes Episcopal School 2701 S York St Denver CO 80210 St Baldricks Foundation 1333 S Mayflower Ave Suite 400 Monrovia CA 91016 St Bernards Catholic Church Of Belfield PO Box 1137 Bismarck ND 58502-1137 St Bernhards Church C/O Laura Huber PO Box 1137 Bismarck ND 58502 Dept Natl Resources & Conserv St Board Of Land Commissioners State Of Montana PO Box 201601 Helena MT 59620-1601 St Board Of Land Commissioners Dept Natl Resources & Conserv State Of Montana PO Box 201601 Helena MT 59620-1601 St Clair Properties, LLC 8550 Woodway #4307 Houston TX 77063 St Croix Exploration Co PO Box 13799 Denver CO 80201 ST CROIX EXPLORATION CO PO BOX 13799 Denver CO 80201 ST CROIX EXPLORATION COMPANY PO BOX 13799 Denver CO 80201 St John Evangelical Lutheran Church 146 6th Ave West Dickinson ND 58601 St John Evangelical Lutheran Church 146 6th Ave West Dickinson ND 58601 St Johns Evangelical Lutheran Church PO Box 2 Fairview MT 59221 St Johns Lutheran Church Address Redacted St Josephs Community Health Foundation 308 2nd Ave Sw Minot ND 58701 St Josephs Hospital And Health Center Foundation Dba Chi St Alexius Health Dickinson Fndn 2500 Fairway St Dickinson ND 58601 St Luke Community Hospital & Nursing Hm 107 6th Avenue Sw Ronan MT 59864 St Lukes Episcopal Church Forth Collins Colorado Address Redacted St Marys Church 332 2nd St N Richardton ND 58652 St Mary'S University One Camino Santa Maria San Antonio TX 78284 St Mary'S University Attention Rebeckah J Day One Camino Santa Maria San Antonio TX 78284 St Nicholas Diocese 2245 W Rice Street Chicago IL 60622-4858 St Patricks Catholic Church C/O Bismark Diocese PO Box 1137 Bismarck ND 58502 St Peter & St Paul Catholic Ch 309 South Main Street Kingfisher OK 73750 St Peter Evangelical Lutheran Church C/O Roger Buckman 12524 31st Street Sw Belfield ND 58622 St Pierre, Nathina Address Redacted St Wencelaus Catholic Church Of Dickinson C/O Bismarck Diocese PO Box 1137 Bismarck ND 58502

St. Paul Fire And Marine Insurance Company (Traveler'S) One Tower Square Hartford CT 06183 Sta LLC 215 South Laurel Avenue Broken Arrow OK 74012 Stabil Drill Specialties LLC Dept 2162 Po Box 122162 Dallas TX 75312-2162 Stace E Sewell Address Redacted Stacey Auch And Troy Patton Jtwros Address Redacted Stacey Deloach Address Redacted Stacey J Angel Address Redacted Stacey J Langer Address Redacted Stacey J Mickelson & Denis A Mickelson As Jtwros Address Redacted Stacey K Arnston And Joanne Lynn Arnston H/W Address Redacted Stacey Leith Smith Address Redacted Stackd Oil Tools LLC PO Box 1015 Vernal UT 84078 Stack'd Oil Tools, LLC Bruno Tomaino 634 S 1900 W Vernal UT 84078 Stack'd Oil Tools, LLC Donald Hatch 766 S 2060 W Roosevelt UT 84066 Stack'd Tools, LLC Martha Tomaino PO Box 1015 Vernal UT 84078 Stacy Ann Routh Address Redacted Stacy Arnegard Address Redacted Stacy J Conrad Address Redacted Stacy J Strand Address Redacted Stacy Jones Address Redacted Stacy Kitzman Address Redacted Stacy Koland Address Redacted Stacy L Green Address Redacted Stacy L Owen Address Redacted Stacy M & Shaun L Krage As Joint Tenants Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 554 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 557 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Stacy Minerals LLC Attn: Steve Stacy, Manager 2769 Timberchase Trail Highlands Ranch CO 80126 Stacy Tweet Address Redacted Stacy W Erickson Trust Share Stacy W Erickson & Russell Schick Cpa - Trustees Address Redacted Stadium Management Company LLC Attn: Geoff Sanders 1701 Bryant Street Ste 900 Denver CO 80204 STADIUM MANAGEMENT COMPANY, LLC 13655 BRONCOS PARKWAY Englewood CO 80112 ATTN: DENVER BRONCOS TICKET STADIUM MANAGEMENT COMPANY, LLC OFFICE 1701 BRYANT STREET SUITE 100 Denver CO 80204 ATTN: DENVER BRONCOS TICKET C/O SPORTS AUTHORITY FIELD STADIUM MANAGEMENT COMPANY, LLC OFFICE AT MILE HIGH 1701 BRYANT STREET SUITE 100 Denver CO 80204 STADIUM MANAGEMENT COMPANY, LLC ATTN: GENERAL COUNSEL 13655 BRONCOS PARKWAY Englewood CO 80112 Stag 4 Partnership Georgia O Schaffner - Managing Partner 2680 Carnation Dr Richardson TX 75082 Staghorn Resources LLC 406 South Boulder Ste 800 Tulsa OK 74103 Stahl, Michael Address Redacted Stahlecker, Nathan Address Redacted Stallings Properties Ltd PO Box 10217 Midland TX 79702 STALLION OILFIELD SERVICES LTD PO BOX 842364 Dallas TX 75284-2364 STALLION OILFIELD SERVICES LTD. 950 CORBINDALE RD STE 400 Houston TX 77024 Stallion Production Services PO Box 842364 Dallas TX 75284-2364 Stallion Rockies Ltd. PO Box 842364 Dallas TX 75284-2364 Stammen, Dustin Address Redacted Stamp, Laura Address Redacted Stan A Weltzin Ttee Of Stan Weltzin Rev Living Trust Address Redacted Stan E Sewell Address Redacted Standard Automation & Control Dba Wonderware West 28373 Network Place Chicago IL 60673-1283 STANDARD AUTOMATION AND CONTROL /DBA: WONDERWARE WEST 601 TRAVIS STREET SUITE 1850 Houston TX 77002 Standard Data Solutions 1175 S Cherokee St Denver CO 80223 Standard Energy Services Drawer #2235 Po Box 5935 Troy MI 48007-5935 Standard Muffler Corp FL. Installment Account Address Redacted Standard Register Inc PO Box 840655 Dallas TX 75284-0655 Standing Bear Traders LLC Account Wd242 Mineral Asset Management T-6 Po Box 1600 San Antonio TX 78296 STANLEY A & JANET I LAMBERT Address Redacted Stanley A & Janet I Lambert Joint Tenants Address Redacted Stanley A & Patsy E Dean Jtwros Address Redacted Stanley And Genevieve Pencoske Joint Tenants Address Redacted Stanley Commercial Club PO Box 974 Stanley ND 58784 Stanley Community Public School District #2 Po Box 10 Stanley ND 58784 Stanley Community Schools PO Box 10 Stanley ND 58784 Stanley Convergent Security Solutions Dept Ch 10651 Palatine IL 60055

STANLEY CONVERGENT SECURITY SOLUTIONS ALL WHITING OFFICE BUILDINGS AND STG YARDS 7399 S TUSCON WAY Centennial CO 80112 STANLEY CONVERGENT SECURITY SOLUTIONS, INC. SOLUTIONS DEPT CH 10651 Palatine IL 60055 Stanley Dean Lundien Address Redacted Stanley Erickson Jr Address Redacted Stanley Fiveash Address Redacted Stanley Hardware LLC PO Box 1262 Stanley ND 58784 Stanley High School PO Box 10 Stanley ND 58784 Stanley J Parks Address Redacted Stanley J Rogers C/O Lana K Pierce Aif Address Redacted Stanley Kuntz & Tillie Kuntz, Life Est As J/T Address Redacted Stanley L Duletsky & Patricia Ann Duletsky, Jnt Tnt Life Estate Address Redacted Stanley L Duletsky Life Estate Address Redacted Stanley L Grazis And Lorelle B Grazis (Jtwros) Address Redacted Stanley P Weber Carol And David Enderle Poa Address Redacted Stanley Pancoake Address Redacted Stanley Park District Attn: Cassie Fjeldahl Po Box 901 Stanley ND 58784 Stanley R King Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 555 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 558 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Stanley R Reas Douglas Richard Reas - Poa Address Redacted Stanley R. Krol Address Redacted Stanley Scholarship Funds Inc Attn: Becky Goettle Po Box 993 Stanley ND 58784 Stanley Sullivan Durham Address Redacted STANLEY T ANDERSON Address Redacted Stanley T Deck Address Redacted Stanley Volunteer Rural Fire Association Po Box 926 Stanley ND 58784 Stanley W Chormicle Jr Address Redacted Stanley Wright Cheryl Lovas, Joleen Schulte & Pamela Thompson Co-Poa Address Redacted Stanton A South Address Redacted Staples Advantage Dept Atl Po Box 405386 Atlanta GA 30384-5386 Staples Credit Plan Dept 51-7861453669 Po Box 689020 Des Moines IA 50368-9020 Star Coulee Ranch Inc Shane R Garman President 831 Rd # 2064 Bainville MT 59212 Star Mesa Energy LLC 1800 Glenarm Pl Ste 702 Denver CO 80202 Star Point Enterprises Inc 2580 Creekview Rd Moab UT 84532 Star Printing & Office Supply 129 N Main Denver City TX 79323 Starboard Aviation LLC Attn: George O Sanders 14131 Midway Road, Suite 650 Addison TX 75001 Starbridge Group LLC 13611 Greystone Dr Dallas TX 75244 Stargate School 14530 Washington St Thornton CO 80023 Starhut G3 LLC PO Box 27202 Houston TX 77227 Stark County Auditor PO Box 130 Dickinson ND 58602-0130 Stark County North Dakota Municipal Corp PO Box 130 Dickinson ND 58601 Stark County Recorder PO Box 130 51 3rd St E Dickinson ND 58601-0130 Stark County Veterans Memorial Association Po Box 929 Dickinson ND 58601 Stark County, ND Treasurer Stark County Assessor Dickinson ND 58602 Starla M Norstedt Address Redacted Starr Foundation 13854 Hwy 16 Fairview MT 59221 Starrett Royalty LLC PO Box 700093 Tulsa OK 74170-0093 Starstone Specialty Insurance Company C/O Enstar (Us) Inc. 150 2nd Avenue North 3Rd Floor St. Petersburg FL 33701 Starstone Specialty Insurance Company Starstone Us Marine Group 411 Fifth Avenue Fifth Floor New York NY 10016 State Board Of Land Commissioners Dept Of Natural Resources & Conservation State Of Montana PO Box 201601 Helena MT 59620-1601 State Industrial Products Corp PO Box 844284 Boston MA 02284-4284 Treasurers Office Unclaimed Property State Of Alabama Division Po Box 302520 Montgomery AL 36130-2520 State Of Alaska Dept Of Revenue/Treasury Div Unclaimed Property Po Box 110405 Juneau AK 98811-0405 Auditor Of State Unclaimed Property State Of Arkansas Division 1401 West Capitol Ave Ste 325 Little Rock AR 72201 1401 WEST CAPITOL AVE, STE STATE OF ARKANSAS AUDITOR OF STATE UNCLAIMED PROPERTY DIVISION 325 Little Rock AR 72201 State Of Colorado 1120 Lincoln Street Suite 801 Denver CO 80203 State Of Colorado Oil And Gas Conservation Commission The Chancery Bldg 1120 Lincoln St, Ste 801 Denver CO 80203 The Chancery Building, 1120 State Of Colorado Oil And Gas Conservation Commission Lincoln Street Suite 801 Denver CO 80203 STATE OF CONNECTICUT UNCLAIMED PROPERTY OFFICE OF THE TREASURER 55 ELM STREET Hartford CT 06106 State Of Hawaii Director Of Finance Unclaimed Property Program Po Box 150 Honolulu HI 96810 Attorney General'S Office Division Of State Of Indiana Unclaimed Property 35 South Park Blvd Greenwood IN 46143 Office Of The State Treasurer State Of Kansas Attn: Holder Services Unclaimed Property Division 900 Sw Jackson Street Suite 201 Topeka KS 66612-1235 Department Of The Treasury State Of Louisiana Unclaimed Property Division Po Box 91010 Baton Rouge LA 70821-9010 State of Louisiana Department of Natural Resources, c/o Civil Division/Lands & Natural Office of Mineral Resources Resources Attn: Ryan M. Seidemann PO Box 94005 Baton Rouge LA 70804-9005 STATE OF LOUISIANA DEPARTMENT OF THE TREASURY UNCLAIMED PROPERTY DIVISION PO BOX 91010 Baton Rouge LA 70821-9010 Office Of The Treasurer Unclaimed State Of Maine Property Division 39 State House Station Augusta ME 04330 Department Of Treasury Unclaimed State Of Michigan Property Division Po Box 30756 Lansing MI 48909

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 556 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 559 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Dept Of Natural Resources Cashiers State Of Michigan Office Financial Serv Po Box 30451 Lansing MI 48909-7951 State Of Mississippi Department Of Revenue Po Box 23192 Jackson MS 39225-3192 State Of Montana Oil And Gas Board 2535 St Johns Ave Billings MT 59102-4693 State Of Montana, Oil And Gas Board 2535 St. Johns Avenue Billings MO 59102 State Of Nevada F/A/O John D WiLLCox Attn Jack Christopher Nevada Unclaimed Property 555 East Washington Ave #4200 Las Vegas NV 89101 State Of New Mexico Taxation & Revenue Department Po Box 2308 Santa Fe NM 57504-2308 State Of New Mexico Taxation & Revenue Department Po Box 25128 Santa Fe NM 87504-5128

State Of New Mexico Taxation & Revenue Department 1100 South St. Francis Drive Santa Fe NM 87504

State Of New Mexico Taxation & Revenue Department PO Box 2308 Sante Fe NM 57504-2308 State Of New Mexico, Oil Conservation Division 1220 S Saint Francis Dr Santa Fe NM 87505 State Of New Mexico, Oil Conservation Division 1220 South St. Francis Dr. Sana Fe NM 87505 STATE OF NORTH DAKOTA 1707 NORTH 9TH ST. Bismarck ND 58506-5523 Department Of Health Attn: L David State Of North Dakota Glatt 918 E Divide Ave Bismarck ND 58501-1947 STATE OF NORTH DAKOTA P O BOX 5623 Bismarck ND 58506 State Of Oklahoma Tax Comm. 2501 N Lincoln Blvd Oklahoma City OK 73194 Attn: Director of the Tax Payer State of Oklahoma Tax Commission Assistance Division PO Box 53374 Oklahoma City OK 73152-3374 Attn: Director Of The Taxpayer State Of Oklahoma Tax Commission Assistance Division PO Box 53374 Oklahoma City OK 73152-3374

ATTN: DIRECTOR OF THE STATE OF OKLAHOMA, TAX COMMISSION TAXPAYER ASSISTANCE DIVISION PO BOX 53374 Oklahoma City OK 73152-3374 State Of Tennessee Treasurer Unclaimed Property Division Po Box 198649 Nashville TN 37219-8649 School & Institutional Trust Lands State Of Utah Administration 675 East 500 South Suite 500 Salt Lake City UT 84102-2818 State Of Utah School & Institutional Trust Lands Administration 675 East 500 South Suite 500 Salt Lake City UT 84102-2818 State Of Utah School & Institutional Trust Lands Administration Address Redacted State Of West Virginia - Wvsto PO Box 3328 Charleston WV 25333 State Of Wisconsin Dept Of Revenue Po Box 8982 Madison WI 53708 State Of Wisconsin Dept Of Health Services Estate Recovery Section PO Box 309 Madison WI 53701 State Of Wyoming Dept Of Revenue & Taxation Herschler Building 122 W 25Th St Cheyenne WY 82002-0110 State Of Wyoming And Farm Loan Office 122 West 25Th Street Herschler Building Cheyenne WY 82002-0600

State Of Wyoming Department Of Revenue & Taxation Herschler Building 122 W 25Th Street Cheyenne WY 82002-0110 STATE OF WYOMING, OFFICE OF STATE LANDS & INVESTMENTS 122 W 25TH ST #3W Cheyenne WY 82002

State Of Wyoming, Oil & Gas Conservation Comm. Office Of State Oil And Gas Supervisor Po Box 2640 Casper WY 28602-2640 STATE STREET BANK & TRUST COMPANY CORP ACTION 225 FRANKLIN STREET MAO-3 Boston MA 02110 MYRIAM PIERVIL - ASSISTANT STATE STREET BANK & TRUST COMPANY ISHARESEUROPE VICE PRESIDENT 1776 HERITAGE DRIVE North Quincy MA 02171 State Street Bank & Trust Company Proxy Services 1776 Heritage Drive North Quincy MA 02171 State Street Bank & Trust Company / Myriam Piervil Assistant Vice President 1776 Heritage Drive North Quincy MA 02171 State Street Bank & Trust/State Stre Joseph J. Callahan Global Corp Action Dept Jab5w P.O. Box 1631 Boston MA 02105-1631 STATE STREET BANK & TRUST/STATE STREET GLOBAL CORP ACTION DEPT TOTALETF JAB5W JERRY PARRILLA 1776 HERITAGE DR North Quincy MA 02171 STATE STREET BANK & TRUST/STATE STREET GLOBAL CORP ACTION DEPT TOTALETF JAB5W Robert Ray / Joseph J. Callahan P.O. BOX 1631 Boston MA 02105-1631 State Street Bank And Trust Company Christine Sullivan 1776 Heritage Dr. North Quincy MA 02171 STATE STREET BANK AND TRUST COMPANY DEUTSCHE BANK FRANKFURT KAREN T JOHNDROW 1776 HERITAGE DRIVE North Quincy MA 02171 CHRISTINE SULLIVAN; JERRY STATE STREET BANK AND TRUST COMPANY PROXY SERVICES PARRILLA 1776 HERITAGE DR. North Quincy MA 02171 State Street Bank And Trust Company/ Karen T Johndrow 1776 Heritage Drive North Quincy MA 02171

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 557 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 560 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 1200 CROWN COLONY STATE STREET CORP ON BEHALF OF HSBC WEALTH MANAGER SERVICES CORP ACTIONS DRIVE Quincy MA 02169

State Street Corporation - Ssga Funds Management, Inc. State Street Financial Center One Lincoln Street Boston MA 02111

STATE STREET TRUST T479 GLOBAL CORPORATE ACTIONS PO BOX 1631 Boston MA 02105-1631 State Treasurer Of Mississippi Unclaimed Property Division Po Box 138 Jackson MS 39205 Stateline Vacuum Services LLC 10450 Hwy 79 Haynesville LA 71038 States Royalty LP PO Box 911 Breckenridge TX 76424-0911 STATOIL 5555 DTC PARKWAY SUITE 310 Greenwood Village CO 80111 Statseeker Pty Ltd PO Box 10081 Adelaide Street Brisbane QLD 4000 Australia STEAKLEY, WETSEL & CARMICHAEL, L.L.P. THE NEWMAN BUILDING 207 OAK STREET Streetwater TX 79556 Stealth Oilwell Services LLC PO Box 69063 Odessa TX 79769 Steel Energy Services, Ltd. dba Black Hawk Energy Services, Ltd. and Sun Well Service, Inc. Attn: Stewart J. Peterson 5265 Ronald Reagan Blvd. Suite 100 Johnstown CO 80534-6513 Steel Service Oilfield Tubular Dept 1020 Tulsa OK 74182 Steele - Gruman Trust William Steele, Peter Gruman, Paul Nielsen Successor Trustees 43 Foley Beach Rd Hingham MA 02043-1106 Steele Creek Investments LLC 1430 Larimer Square, Suite 308 Denver CO 80202 Steele Elementary Pta 320 S Marion Pkwy Denver CO 80209 Steele Production LLC 58 Toppler Drive Castle Pines CO 80108 Steele Resources LLC 10477 Cimarron St Firestone CO 80504

STEELE RESOURCES LLC 9155 S DADELAND BLVD STE 1800 Miami FL 33156 Steele, Joshua Address Redacted Steele, Michael Address Redacted Steelhorse Oil Field Services Llc Po Box 1434 New Town ND 58763 Stefani M Powers Address Redacted Stefanie Brand Address Redacted Steffes Solutions LLC 3050 Highway 22 N Dickinson ND 58601 STEIN ADVISORS LLC Address Redacted Steinmetz, Edward Address Redacted Steins Inc PO Box 248 Moorhead MN 56561-0248 Stelaron Inc PO Box 7787 Amarillo TX 79114-7787 Stella C Eck Estate Sharyl L Burgeson Executrix Address Redacted Sten T Berg Jr Address Redacted Stenberg Olson Minerals Trust Carlyle S Stenberg - Trustee Address Redacted Stenehjem Family Enterprises LLP C/O Steve Stenehjem 1632 51st St S Apt 125 Fargo ND 58103-8966 Stenehjem Holdings LLC First Int'L Bank&Trust Attn: Trust Dept Address Redacted Stenseth Living Trust Shirley A Stenseth - Trustee Address Redacted Step Denver 2029 Larimer St Denver CO 80205 Stephan Kershisnik Address Redacted Stephania Allsup Bennett Address Redacted Stephanie A Adams Address Redacted Stephanie A Emerson Address Redacted Stephanie A Hansen Address Redacted Stephanie Bills Grossman Mr Kelly Biggs, Succ Ttee Address Redacted Stephanie C Mccall Address Redacted Stephanie C Mccall Liv Trust Stephanie C & Robert E Mccall Trustees Address Redacted Stephanie Clausen-Swenson Address Redacted Stephanie Clothier Anderson Address Redacted Stephanie D Grossman Address Redacted Stephanie Dawn Bridges Address Redacted Stephanie Falcon Address Redacted Stephanie Haber Address Redacted Stephanie J Carucci, Address Redacted Stephanie Klym Life Estate Address Redacted Stephanie L Mitten Address Redacted Stephanie L Roth Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 558 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 561 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Stephanie Lee Bernard Address Redacted Stephanie M Getchell Address Redacted Stephanie M Hollander IRA c/o Delaware Avenue Advisors Attn: Eugene Peter Chaas, CFA 1207 Delaware Ave Buffalo NY 14207 Stephanie M Moss Address Redacted Stephanie M Schlothauer Address Redacted Stephanie Mcgahan Address Redacted Stephanie R Haber Address Redacted Stephanie Reiger Address Redacted Stephanie Renne Johnston Address Redacted Stephanie Sheats Dyer Address Redacted Stephanie Voss Address Redacted Stephanie Walter Address Redacted Stephen & Josephine Latka Fam Tst, Stephen & Josephine Latka Trustees Address Redacted Stephen A Crump Ttee Stephen A Crump Rev Tr Address Redacted Stephen A Thompson Address Redacted Stephen A Wells Address Redacted Stephen Alan Andrews Ii And Rachel Ann Andrews Jtwros Address Redacted Stephen B Herrick Address Redacted Stephen B Nesseth Address Redacted Stephen B Osterberg Address Redacted Stephen Bradford Slawson Revoc Address Redacted Stephen Butcher Address Redacted Stephen C & Denise F Grantier Joint Tenants Address Redacted Stephen C Blumberg C/O Edward Jones Investments Address Redacted Stephen C Vickstrom Address Redacted Stephen Christianson Address Redacted Stephen Cirlot Address Redacted Stephen Clark Rippee Address Redacted Stephen D Calcote Address Redacted Stephen D Clark Address Redacted Stephen D Farrell Address Redacted Stephen D Reynolds Address Redacted Stephen E Thompson Address Redacted Stephen E. Allen Address Redacted Stephen Edmund Smith Address Redacted Stephen Evans Address Redacted Stephen Frye Address Redacted Stephen G Long Address Redacted Stephen Gamache Address Redacted Stephen Grantier Address Redacted Stephen H Sands Address Redacted Stephen H Stuart Address Redacted Stephen Henke Address Redacted Stephen Hoeller Address Redacted Stephen J Bickerstaff Address Redacted Stephen J Bolton C/O Lujan Address Redacted Stephen J Bolton Revocable Living Trust Dtd 9-7-18 Stephen J Bolton - Trustee Address Redacted Stephen J Kessler Address Redacted Stephen L Bryan Address Redacted Stephen L Chase Address Redacted Stephen L Russell Address Redacted Stephen L Stenehjem Address Redacted Stephen Langsdorf Address Redacted Stephen M Greig Address Redacted Stephen M Oshaughnessy Address Redacted Stephen M Sweeney Address Redacted Stephen Michael Singer Address Redacted Stephen O Ruley Address Redacted Stephen P Baker Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 559 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 562 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Stephen P Bremseth Address Redacted Stephen P Grant Address Redacted Stephen P Hutchison Address Redacted Stephen P Kilzer Address Redacted Stephen P Raymond Address Redacted Stephen R Mills Address Redacted Stephen Richard Barton Address Redacted Stephen Roger Dobie Trust Estate Under Joseph A Dobie C/O Mccarthy Place Address Redacted Stephen Rogers Address Redacted Stephen S Lerum Address Redacted Stephen Seay Address Redacted Stephen Smith Family & Co LLC Address Redacted Stephen Smith Inc Address Redacted Stephen T & Kathleen Holl Address Redacted Stephen T Meyer Address Redacted Stephen Turner Address Redacted Stephen W Choate Address Redacted Stephen W Dunn Address Redacted Stephen Wayne Hedstrom Address Redacted Stephen Woodall Address Redacted Stephenie L Lund Address Redacted Stephenie Mcknight Husband 424 Stow Creek Rd Bridgeton NJ 8302 Stephens & Johnson Operating PO Box 2249 Wichita Falls TX 76307-2249 STEPHENS & JOHNSON OPERATING Address Redacted Stephens County Stephens County Courthouse Tax 200 West Walker Breckenridge TX 76424 Stephens County Clerk 200 West Walker Breckenridge TX 76424 Stephens County, TX Treasurer Stephens County Courthouse 200 West Walker Breckenridge TX 76424 Stephens Production Company PO Box 2407 Ft Smith AR 72902-2407 Continental Properties Llc D/B/A Stephens Production Company Stephen Prod. Co P O Box 2407 Fort Smith AR 72902-2407 STEPHENS PRODUCTION COMPANY PO BOX 2407 Ft Smith AR 72902-2407 Stephens Production Company Continental Properties LLC D/B/A Stephen Prod. Co P O Box 2407 Fort Smith AR 72902-2407 Stephens Resources LLC 3319 Greenbrier Drive Dallas TX 75225 Stephens Trust Gordon L Stephens, Trustee Address Redacted Stephens Water & Sewer 315 Chert St Stepens AR 71764 Stephens Water & Sewer Po Box 338 Stepens AR 71764 Stephens Water & Sewer Commission Po Box 338 Stephens AR 71764 STERLING CRANE LLC 9351 GRANT STREET SUITE 250 Thornton CO 80229 Sterling Energy Investments Llc 1200 17th St Ste 2850 Denver CO 80202 STERLING ENERGY INVESTMENTS LLC 1200 - 17TH STREET SUITE 2850 Denver CO 80202 STERLING ENERGY INVESTMENTS LLC 1200 17TH STREET SUITE 285 Denver CO 80202 Sterling Montana Inc 1501 Macleod Tr Se Calgary AB T2G2N6 Canada Sterling Sundheim Address Redacted

Sterling Trust Co Cust Fbo Jeffrey Reed C/O Madison Royalty Management 402 Gammon Pl Ste 200 Madison WI 53719 Sterne, Agee & Leach, Inc. Attn: Justin Woodham Corporate Actions 2 Perimeter Park South Suite 100w Birmingham AL 35243 Sterne, Agee & Leach, Inc. Ken Simpson, James Mezrano 2 Perimeter Park Suite 100w Birmingham AL 35209 Stettner Family Mineral Partnership LLP 2584 Charlotte Dr North Mandan ND 58554 Steve & Cecelia Oshanick Trust Dtd 11-20-88, Steve Oshanick & Cecelia Oshanick, Co-Trustees Address Redacted Steve A Hartstrom Address Redacted Steve A Tovson Address Redacted Steve Buresh Family Mineral Tr Laudie Buresh & Michael Shaun Backsen, As Address Redacted Steve Cartier Address Redacted Steve D Bishop Address Redacted Steve E Park Apiares Inc Address Redacted Steve Frederickson Address Redacted Steve Gawryluk Address Redacted Steve Harrell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 560 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 563 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Steve J & Paula E Baransky Life Estate Address Redacted Steve J Baransky Address Redacted Steve Jechura Consulting Address Redacted Steve John Baransky Life Estate Address Redacted Steve Kenow Address Redacted Steve Malmberg Address Redacted Steve Nelsen Address Redacted Steve Niemi Address Redacted Steve R Orbanosky Or Marjorie Orbanosky J/T Address Redacted Steve R Versteeg Address Redacted Steve Rang Address Redacted Steve Schmoker Address Redacted Steve Strom Address Redacted Steve Walstead Address Redacted Steven & Corrine Melberg Joint Tenants Address Redacted Steven & Darcie Rolla J/T Address Redacted Steven & Kathleen R Pardikes Address Redacted Steven A Crecy & Mary Ann Crecy Ttees Of The 1999 Steven A & Mary Ann Crecy Rev Trust Address Redacted Steven A Kelly Address Redacted Steven A Kish & Julie A Kish Jt Address Redacted Steven A Salsbury Address Redacted Steven A Strobeck Address Redacted Steven A Vitt Address Redacted Steven A Waller Address Redacted Steven Allen Volesky Address Redacted Steven And Ann Papulak Address Redacted Steven Armstrong Address Redacted Steven Babcock Address Redacted Steven Begleiter Address Redacted Steven Biwer Address Redacted Steven Blood Address Redacted Steven C Benth Address Redacted Steven C Horst Address Redacted Steven C Kirkwood Address Redacted Steven D And Leeann Swain Husband And Wife Address Redacted Steven D Bryant Address Redacted Steven D Fruh Address Redacted Steven D Lindvig Address Redacted Steven D Lindvig Living Trust Dtd 7-10-13 - Steven D & Wanda Lindvig - Trustees Address Redacted Steven D Nelson & Michael B Uran Ttees Of The Robert & Annabel Uran Minerals Trust Address Redacted Steven D Swain Address Redacted Steven D Townsend Address Redacted Steven D Wick Address Redacted Steven Darren Green Address Redacted Steven Demaniow Address Redacted Steven Detienne Address Redacted Steven E Berge Address Redacted Steven E Deal & Jean A Deal J/T Address Redacted Steven E Fehr Trustee The Fehr Family Trust 2/22/13 Address Redacted Steven E Johnson Address Redacted Steven Eugene Palmer Address Redacted Steven Evans Address Redacted Steven F Holzbauer Address Redacted Steven F Sander Address Redacted Steven F Smith Address Redacted Steven Fehr Address Redacted Steven Foss Address Redacted Steven G Haugen Address Redacted Steven G Myers Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 561 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 564 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Steven G Nelson Address Redacted Steven G Shaddock Address Redacted Steven H Gausewitz Address Redacted Steven H Gower Address Redacted Steven H Harris Family LP Address Redacted STEVEN H HARRIS FAMILY LTD Address Redacted STEVEN H HARRIS FAMILY LTD PTNR Address Redacted Steven H Harris LP Address Redacted Steven H Stenberg Address Redacted Steven H. Harris Family Limited Liability Limited Partnership c/o Fredrickson & Byron, P.A. Attn: Lawrence Bender 1133 College Dr. Suite 1000 Bismarck ND 58501 Steven H. Harris Family Limited Liability Limited Partnership Wayne Harris 1211 Memorial Hwy Suite 1 Bismarck ND 58504 Steven Hays Address Redacted Steven J & Tyra M Schroeder Revocable Trust - Steven J & Tyra M Schroeder - Trustees Address Redacted Steven J Aamodt Address Redacted Steven J Allick Address Redacted Steven J Beagle Address Redacted Steven J Drummond Address Redacted Steven J Erickson Address Redacted Steven J Lassey Address Redacted Steven J Rice Address Redacted Steven J Schilke Address Redacted Steven J Unterseher And Pamela K Unterseher Jtwros Address Redacted Steven J Weyrauch Irrevoc Trst U/A/D October 12, 2010 Jerry Weyrauch, Colleen Braeger Tste Address Redacted Steven J Wild Address Redacted Steven James Fetrow Address Redacted Steven Joseph Kubik Address Redacted Steven K Berg And Gail Berg Address Redacted Steven K Crain Exempt Trust Steven K Crain Trustee Address Redacted Steven K Tjelde Address Redacted Steven K Willey Address Redacted Steven Kent Gorshing Address Redacted Steven Kyle Nickeson Estate Address Redacted Steven L And Cheryl L Powell Address Redacted STEVEN L BERRY & Address Redacted Steven L Berry & Judith A Berry Address Redacted Steven L Burr Address Redacted Steven L Evasuik Address Redacted Steven L Harrison Jr Address Redacted Steven L Peterson Address Redacted Steven L Powell Address Redacted Steven L Reger Address Redacted Steven L Reger Trust Address Redacted Steven L Reinert Address Redacted Steven L Reis Address Redacted

Steven L Wiles Living Trust Steven L & Sara H Wiles - Tr Address Redacted Steven Linseth Address Redacted Steven Littlefield Address Redacted Steven Lyle Fiedler Address Redacted Steven Lynde And Lana Lynde Address Redacted Steven M Coy Address Redacted Steven M Knoll Address Redacted Steven M Papulak Address Redacted Steven M Satermo Address Redacted Steven M Sundheim Address Redacted Steven M Wandersee Address Redacted Steven M Wicks Address Redacted Steven Meyer Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 562 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 565 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Steven Natwick C/O First Intl Bank & Trust Address Redacted Steven Nickus Address Redacted Steven Ogle Address Redacted Steven Oliver Larson Address Redacted Steven P Duletsky 2013 Dynasty Trust Dtd Dec 6, 2013 Sylvia A Hack, Trustee Address Redacted Steven P Fasken Childs Gst Tr Steven Price Fasken Suc Ttee Address Redacted Steven P Ike Address Redacted Steven P Thompson Address Redacted Steven P. Gibson Address Redacted Steven Pankowski Address Redacted Steven Papineau Trust 9-25-07 1St National Bank - Trustee Address Redacted Steven Pennington Address Redacted Steven Price Fasken Rev Trust Steven Price Fasken Trustee Address Redacted Steven R Dolyniuk & Susan L Dolyniuk Living Trust Steven R Dolyniuk & Susan L Address Redacted Steven R Huntley Address Redacted Steven R Palaniuk Address Redacted Steven R Penman Address Redacted Steven R Sanford Address Redacted Steven Rhodes Address Redacted Steven Rolla Address Redacted Steven Seth Goering Address Redacted Steven Shannon Jt Address Redacted Steven Spilde Address Redacted Steven Strobeck LLC Address Redacted Steven T Klym Address Redacted Steven Taylor Address Redacted Steven Thomas Keller Thomas F Wieland Ii - Trustee Address Redacted Steven Torgerson Address Redacted Steven Tweden Address Redacted Steven V Chancellor Address Redacted Steven V Littlefield Living Tr Address Redacted Steven V Manderscheid Address Redacted Steven Vedvick Address Redacted Steven W Erickson Address Redacted Steven W Erickson Bank Of America Na Agent For Address Redacted Steven W Mcchesney Address Redacted Steven W Sondrol Address Redacted Steven Wayne Riddle Address Redacted Steven Wesley Cook Address Redacted Stevens Family Prop Trst Address Redacted Stevens Family Property Trust C/O William B Watson Agent Inc Address Redacted Stevens, Amanda Address Redacted Stevens, Michael Address Redacted Stewards Oil LLP Russell & Barbara Johnson PO Box 262 Park River ND 58270 Stewards Oil LLP Russell & Barbara Johnson PO Box 262 Park River ND 58270 STEWARDS OIL LP 2600 DALLAS PKWY STE 400 Frisco TX 75034 Stewart Family Living Trust Address Redacted Stewart Geological Inc 2650 Overland Ave Billings MT 59102 Stewart J & Roberta E Westdal Family Trust Dtd 8-12-94 Roberta E Westdal - Trustee Address Redacted Stewart J Westdal And Roberta E Westdal Address Redacted Stewart Leon Stair Address Redacted Stewart Royalties LLC 2650 Overland Ave Billings MT 59102 Stick Man, Inc. Attn: Chase Fladeland PO Box 1400 Vernal UT 84078 Stickman Inc PO Box 1400 Vernal UT 84078 Stifel Nicolaus c/f Francine Frechter IRA Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 563 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 566 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Stifel, Nicolaus & Company, Incorpor 50 N Broadway One Financial Plaza St Louis MO 63102 STIFEL, NICOLAUS & COMPANY, INCORPORATED 501 N BROADWAY ONE FINANCIAL PLAZA St Louis MO 63102 Stifel, Nicolaus & Company, Incorporated Attn: Chris Wiegand 501 N Broadway St. Louis MO 63102 Stifel, Nicolaus & Company, Incorporated Attn: Tina Schweitzer One Financial Plaza 501 N Broadway St. Louis MO 63102 Stifel, Nicolaus & Company, Incorporated Attn: Zachary J. Resmann 501 N Broadway St. Louis MO 63102 Stifel, Nicolaus & Company, Incorporated C/O Median Communications 200 Regency Forest Drive Cary NC 27518 Stikeman Elliott LLP 1155 Rene-Levesque Blvd West 40th Fl Montreal QC H3B 3V2 Canada Stillwater Investments 6403 Sequoia Midland TX 79707 Stillwell, Rick Address Redacted Stim-Tech Inc 1575 Dewar Dr #220 Rock Springs WY 82901 Stim-Tech Inc C/O Universal Funding Corporation Po Box 13115 Spokane WA 99213-3115 Stinger Testing Inc PO Box 788 1401 E 1100 S Vernal UT 84078 Stinson LLP PO Box 843052 Kansas City MO 64184-3052 Stinson T Ritter C/O Thomas T Ritter Aif Address Redacted Stipcich, Kyle Address Redacted Stirling Parrish Mccullough Address Redacted Stj LLC Address Redacted Stock Plan Solutions 350 W Hubbard St Ste 210 Chicago IL 60654 Stockade Royalty Partners PO Box 2048 Brenham TX 77834

Stockcross Financial Services, Inc. Attn: Corporate Actions, Loretta Racer 1900 St. James Place #120 Houston TX 77056

Stockcross Financial Services, Inc. Attn: Kimberley Dehn 1900 St. James Place #120 Houston TX 77056 Stockcross Financial Services, Inc. Attn: Lisa Brunson 9464 Wilshire Blvd Beverly Hills CA 90212 Stockcross Financial Services, Inc. Corporate Actions 9464 Wilshire Blvd. Beverly Hills CA 90212 Stockcross Financial Services, Inc. Diane Tobey 77 Summer Street Boston MA 02110 Stoelzel, Jennifer Address Redacted STONE ENERGY CORPORATION C/O TALOS ENERGY INC. 333 CLAY STREET, SUITE 3300 Houston TX 77002 STONE HOUSE LLP PO BOX 693 Arnegard ND 58835 Stone Mi LLC C/O Barbara Weekley 221 Rue De Jean Suite 127 Lafayette LA 70508 Stoner Engineering LLC 1010 10th Street Suite 104 Golden CO 80401 Stones LLC 8535 Rolling Oaks Dr Montgomery TX 77356 Stony Creek Trust Dtd 3-15-18 James V & Karen J Lee - Tr PO Box 242 Port Orchard WA 98366 Stoppleworth & Sons Inc PO Box 758 301 N Main Street Belfield ND 58622 STOPPLEWORTH & SONS INC PO BOX 758 301 N MAIN STREET Belfield ND 58622 Stored Energy Systems Inc 1840 Industrial Cr Longmont CO 80501 Storey, Michael Address Redacted STORMWIND LLC 14646 N. KIERLAND BLVD. SUITE 120 Scottsdale AZ 85254 Stormwind LLC Dept 3602 Po Box 123602 Dallas TX 75312-3602 Storsteen Family Mineral Trust Created 8/26/10 Harold Storsteen, Trustee Address Redacted Stovall Oil Company PO Box 2331 Casper WY 82602 STRAD USA INC PO BOX 336421 Greeley CO 80633 Straight Fire Consulting LLC 1011 Alexander St Houston TX 77008 Straight Wharf Irrevocable Trust Elizabeth A Shannon, Trustee Address Redacted Stransky Family Living Trust Edith E Stransky Trustee C/O Delbert L Johnston Poa Address Redacted Strata Minerals Inc PO Box 21055 Oklahoma City OK 73156 STRATA MINERALS INC PO BOX 21055 Oklahoma City OK 73156 Strata Networks Po Box 400 211 E 200 N Roosevelt UT 84066 STRATA NETWORKS 211 EAST 200 NORTH Roosevelt UT 84066 Strata Networks Vickie L Ainge 2276 W Hwy 40 Vernal UT 84078 STRATA RESOURCES 288 CLAYTON ST STE 206 Denver CO 80206 STRATA RESOURCES INC 288 CLAYTON ST STE 206 Denver CO 80206 Strata Resources Inc Attn H H Gordon 288 Clayton St Ste 206 Denver CO 80206 Strata Trust Company Fbo Barrett M Standish Acct# 100012178 2714 Bee Cave Rd Ste 202 Austin TX 78746 Strata Trust Company Fbo Daniel Newman - Acct# 10012171 2714 Bee Cave Rd Ste 202 Austin TX 78746

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 564 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 567 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Strata Trust Company Fbo David Uliana - Acct#300001494 2714 Bee Cave Rd Ste 202 Austin TX 78746 Strata Trust Company Fbo Jeffrey Sadler Acct# - 300001495 2714 Bee Cave Rd Ste 202 Austin TX 78746 Strata Trust Company Fbo John Scharbach - Acct# 300001522 2714 Bee Cave Rd Ste 202 Austin TX 78746 Strata Trust Company Fbo Robert Allen Blackburn Acct# - 300001938 2714 Bee Cave Rd Ste 202 Austin TX 78746 Strataphysics Inc PO Box 3423 Midland TX 79702 Strategic Compliance LLC 2318 Curtis Street Denver CO 80205 Strategic Decisions Group International Llc Dept La 23802 Pasadena CA 91185-3802 Stratex Oil & Gas Inc 1669 Thomaston Ave Waterbury CT 06704-1026 STRATEX OIL & GAS INC 1669 THOMASTON AVE Waterbury CT 06704-1026 Stratford Investments Ltd P O Box 11115 Midland TX 79702 23/D/5 Shoukry Adb El Halim St Stratochem Services Lasilky New Maadi Cairo 11742 Egypt Stratum Reservoir LLC 5200 N Sam Houston Pkwy W Suite 500 Houston TX 77086 Stratum Reservoir, LLC 16161 Table Mountain Pkwy Golden CO 80403 Stratum Reservoir, LLC 7409 West Industrial Avenue Midland TX 79706 5200 North Sam Houston Parkway Stratum Reservoir, LLC Jason Buchman West, Ste. 500 Houston TX 77086 STRATUM RESERVOIR, LLC. 16161 TABLE MOUNTAIN PKWY Golden CO 80403 STRATUM RESERVOIR, LLC. 7409 W. INDUSTRIAL AVE. Midland TX 79706 STREETER RANCH Address Redacted Streeter, Allen Address Redacted STRETTO 410 EXCHANGE STE. 100 Irvine CA 92602 Strickland, Mark Address Redacted Strickler Minerals LLC 1425 S Mission Road Mt Pleasant MI 48858 Stride Well Service Company P O Box 201846 Dallas TX 75320-1846 Strobeck Family LLLP 1930 Village Center Cir Ste 3 Las Vegas NV 89134-6245 Stroh Cleaning Service 3476 114U Ave Sw Dickinson ND 58601 Strong Oil & Gas Ltd 801 Cherry Street Unit 30 Fort Worth TX 76102 Stronghold Energy Ii Operating PO Box 110 Midland TX 79702 Stroock Minerals LLC PO Box 2865 Casper WY 82602 Strother Novell Trust Aka Strother-Novell Mgt Tr Dtd 6/6/94 Address Redacted Stuart E Boren Address Redacted Stuart F Chase Address Redacted STUART F CHASE 2001 IRREV TRST Address Redacted Stuart F Chase 2001 Irrev Trst Stuart F Chase, Edwin T Burton Gordon M Marchand Trustees Address Redacted STUART FAMILY TRUST Address Redacted Stuart Family Trust Uad 1/3/02 Address Redacted Stuart G Hill Family Trust Uwo Stuart G Hill Mary C Hill - Trustee Address Redacted Stuart Kowalski Address Redacted Stuart L Adams, Jr Address Redacted Stuart Mcdougal Address Redacted Stuart Stenseth Address Redacted Stuart Vogt Address Redacted Stubbs & Stubbs Oilfield Construction Inc 5127 S 5400 E Vernal UT 84078-8505 Stuber Mineral Resources LLC PO Box 56 Bowman ND 58623-0056 STUBER MINERAL RESOURCES LLC PO BOX 56 Bowman ND 58623-0056 Stuber Mineral Trust Roger Stuber & Dudley J Stuber Co- Trustees Address Redacted Stuber Minerals LLC PO Box 266 Gillette WY 82717 Stubstad, Garrett Address Redacted Studio Jk Photoraphy Inc 3033 E 1st Ave Ste 503 Denver CO 80206 Sturgeon Systems Inc C/O Dwight Johnson 13976 Paradise Villas Grove Colorado Springs CO 80921 Stv-Gwd 621 17th St, Ste 1200 Denver CO 80293 Sublette County Treasurer PO Box 296 Pinedale WY 82941

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 565 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 568 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Successors To Landowners Royalty Co C/O Herbert D Swett And Anna Belle Kubik Trustees Address Redacted Successors To Roland Peterson C/O Rollena L Hjorth Address Redacted Suddenlink Address Redacted Sue A Bolken Life Estate Paul Bolken Poa Address Redacted Sue A Bolken Paul Bolken Poa Address Redacted Sue A Rudolph Address Redacted Sue A Treider Address Redacted Sue Danielson Address Redacted Sue Ellen Bahnmiller Address Redacted Sue Evans Address Redacted Sue Hagenbarth Address Redacted Sue Higham Glidden Address Redacted Sue Ingle Wantland C/O Roberta Carr Address Redacted Sue J Adams Address Redacted Sue J Moore Address Redacted Sue Jackson Address Redacted Sue Johansen Address Redacted Sue Lynn Brown Address Redacted Sue Malloy Address Redacted Sue Miles Chamlee Sue Miles Chamlee Energy LLC 25587 Conifer Rd Unit 105 Conifer CO 80433-9077 Sue Thompson Mcadams Address Redacted Sue Wold Address Redacted SUEMAR EXPLORATION & PRODUCTION, LLC 802 N. CARANCAHUA SUITE 1000 FROST BANK PLAZA Corpus Christi TX 78470-0400 SUEMAUR EXPLORATION & PRODUCTION, LLC 802 N. CARANCAHUA SUITE 1000 FROST BANK PLAZA Corpus Christi TX 78470-0400 Suemaur Exploration Partners 802 North Carancahua Ste 1000 Corpus Christi TX 78470 Sugar Bee Trust Dtd 12/18/2014 Mary Rose Tomchuk & Robert M Burke, Trustees 1050 Ingalls St Lakewood CO 80214 Sugar Royalty LLC 1299 Gilpin Street #20 Denver CO 80218 Sukhvinder Sandhu Address Redacted Sullivan Van Way Address Redacted Sullivan, Paula Address Redacted Sulphur Experts 102 12 Manning Close Ne Calgary AB T2E 7N6 Canada Sulser, Timothy Address Redacted SUMITOMO MITSUI BANKING CORPORATION-NY Legal Department 277 Park Ave FL 6 New York NY 10172-0601 Summer Speer Address Redacted Summer Walters Life Estate Address Redacted Summerfield C Baldridge Address Redacted Summers Living Trust Dtd 7-3-95 Ruth J Summers - Trustee Address Redacted Summit Engineering Services Inc Attn: Keith A Martin 44 Inverness Dr East Ste E100 Englewood CO 80112 Summit Esp LLC PO Box 21468 Tulsa OK 74121 910 LOUISIANA STREET, SUITE SUMMIT MIDSTREAM 4200 Houston TX 77002 910 LOUISIANA STREET, SUITE SUMMIT MIDSTREAM PARTNERS LLC-8529 4200 Houston TX 77002 910 LOUISIANA STREET, SUITE SUMMIT MIDSTREAM PARTNERS, LLC 4200 Houston TX 77002 Summit Riser Systems Inc 15235 Alton Pkwy Ste 100 Irvine CA 92618-2616 Summit Royalties LLC 1150 Delaware St Ste 207 Denver CO 80204 Summit Royalty Co PO Box 4167 Sargent TX 77404 Summit Safety Solutions Inc 700 W 48th Ave Ste A Denver CO 80216-1826 Summit Scientific 4653 Table Mountain Drive Golden CO 80403 Sun Cementing Of Wyoming Inc PO Box 266 Gillette WY 82716 Sun Operating Limited Partners P O Box 2880 Dallas TX 75221 SUN OPERATING LIMITED PARTNERSHIP ATTN: T. GLADNEY C/O ORYX ENERGY COMPANY 13155 NOEL ROAD P.O. BOX 2880 Dallas TX 75221-2880 Sun Tubular Testing Services Inc 4989 Lake View Loop Williston ND 58801 Sun Well Service Inc Attn: Kevin Jeffreys 5265 Ronald Reagan Blvd Ste 100 Johnstown CO 80534-6513 Sun Well Service Inc P O Box 204594 Dallas TX 75320-4594 Sunbehm Gas Inc PO Box 608 Minot ND 58702-0608 SUNBEHM GAS INC PO BOX 608 Minot ND 58702-0608 Sunbelt Rentals Industrial Services Llc Po Box 409211 Atlanta GA 30384-9211 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 566 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 569 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Suncor Energy Marketing Inc 717 17th Street, Suite 2900 Denver CO 80202 Sund Manufacturing Co Inc PO Box 79 Newburg ND 58762 Sundance Energy Co LLC Attn: John Gillespie 72 Querencia Dr Livingston MT 59047-8763 Sundance Energy Inc 1050 17th St Ste 700 Denver CO 80265-2008 Sundance Minerals I C/O Bank One Agent PO Box 17744 Fort Worth TX 76102 Sundance Services Inc P O Box 1737 Eunice NM 88231 Sundet Family Trust Robert & Beverly Sundet Ttees PO Box 30738 Midland TX 79712 Sundhagen Sand & Gravel Inc PO Box 550 Jamestown ND 58402 SUNDHEIM OIL CORP ATTN DENNIS SUNDHEIM PO BOX 230 Crosby ND 58730 SUNDHEIM OIL CORP PO BOX 230 Crosby ND 58730 Sundheim Oil Corp Attn Dennis Sundheim PO Box 230 Crosby ND 58730 SUNDHEIM OIL CORPORATION ATTN DENNIS SUNDHEIM PO BOX 230 Crosby ND 58730 Sundown Energy Inc 16400 Dallas Pkwy Suite 100 Dallas TX 75248 Sundown Energy Inc. 16400 Dallas Pkwy Suite 100 Dallas TX 75248 Sundown Energy LP 16400 Dallas Pkwy Suite 100 Dallas TX 75248 Sunland Royalty Corp PO Box 4261 Bismarck ND 58502 Sunmore North Dakota Partners LLC 5129 Sunmore Circle Suite 101 Midland TX 79707-5125 Sunmore Texas Partners LLC 5129 Sunmore Circle Ste 101 Midland TX 79707-5126 GAS MARKETING US SUNOCO PARTNERS MARKEITNG & TERMINAL L.P. P.O. BOX 2040 COMMERCIAL GROUP Houston TX 77252 CONTRACT SUNOCO PARTNERS MARKEITNG & TERMINAL L.P. P.O. BOX 5103 205 WEST MAPLE SUITE 1100 ADMINISTRATION Enid OK 73702-5103 Sunrise Oilfield Supply Inc PO Box 232456 2456 Momentum Pl Chicago IL 60689-5324 Sunrise Royalties LP 201 West 5th St Ste 1350 Austin TX 78701 Sunrise Womens Clinic 116 3rd Ave Nw Po Box 1086 Sidney MT 59270 SUNSET PRODUCTION CORP P O BOX 2239 Georgetown TX 78627-2239 Sunset Production Corporation PO Box 2239 Georgetown TX 78627-2239 SUNSET PRODUCTION CORPORATION PO BOX 2239 Georgetown TX 78627-2239 Sunshine Cottage For The Deaf PO Box 100145 San Antonio TX 78201 Sunshine Office Products 122 South 8th Street Worland WY 82401 Sunshine Pacific Corp PO Box 304 Meeteetse WY 82433 Sunstate Equipment Co LLC PO Box 52581 Phoenix AZ 85072-2581 Sunstate Equipment Co., LLC Address Redacted Sunstate Equipment Co., LLC Melissa Huysentruyt 5552 E Washington St Phoenix AZ 85034 SUNTRUST ROBINSON HUMPHREY, INC. 200 PARK AVE New York NY 10166 Sunwest Resources Inc 8494 E Angel Spirit Drive Scottsdale AZ 85255 Super Heaters Of North Dakota Llc Po Box 421328 Houston TX 77242-1328 Superior Production Logging Inc 220 Industrial Ave Granbury TX 76049 Superior Roustabouts 3510 5th St Ne Great Falls MT 59404 Supervisor Angela Handeland Cetera Investment Services LLC 400 1st Street South Suite 300 St. Cloud MN 56301 Supervisor Holly Nickerson Pensco Trust Company LLC 560 Mission Street Suite 1300 San Francisco CA 94105 Supervisor Ron Rak Odlum Brown Limited/CDS** 250 Howe Street Suite 1100 Vancouver V6c 3sbc Canada Mackie Research Capital Commerce Court West, Suite Supervisor Tony Rodrigues Corporation/ 199 Bay Street 4600 Toronto ON M5l 1g2 Canada Surcon Ltd 600 17th St Ste 2800 South Denver CO 80202 Sure Foot Corporation 1401 Dyke Ave Grand Forks ND 58203 Sure Sign 1283 W Villard St Dickinson ND 58601 Surefire Pilotless Burner Systems Llc 1910 Rustic Place Farmington NM 87401 Surefire Wireline West LLC 233 North Park Dr Kittanning PA 16201 Surendra K Goel Revocable Trust Address Redacted Surendra Kumar Goel Rollover IRA Address Redacted Surface Transportation Board Attn: Ann D. Begeman 395 E Street SW Washington DC 20423 SURVIVING TRUSTORS TRUST OF Address Redacted Survwest LLC 6501 E Belleview Ave Ste 300 Englewood CO 80111-6020 SURVWEST LLC 10200 E GIRARD AVE STE B330 Denver CO 80231 Susan A Brock Revocable Trust S Brock & Lee Brock Co- Trustee Address Redacted Susan A Kukus Address Redacted Susan A Laska Address Redacted Susan Abrahamson Address Redacted Susan Ann Chavez Address Redacted Susan Appleman Uniterberg C/Obokf Na Agent Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 567 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 570 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Susan Arends Address Redacted Susan Batson Smith Address Redacted Susan Bee Brown Address Redacted Susan Bee Brown And Melville L Brown J/T Address Redacted Susan Biksen-Bond Address Redacted Susan Bush Goodman Address Redacted Susan C Mcintyre Address Redacted Susan Carrera Address Redacted Susan Clay Maier Address Redacted Susan Cook Fka Susan Yttredahl Talaska Address Redacted Susan D Aspelund Address Redacted Susan D Peterman Address Redacted Susan D Streitz Address Redacted Susan Dean Drew Address Redacted Susan Diane Gourley Groover Address Redacted Susan Drummond Address Redacted Susan E Haukness Address Redacted Susan E Holznagle Address Redacted Susan E Manning Address Redacted Susan E Mcclure Address Redacted Susan E Naslund Address Redacted Susan E Raabe Address Redacted Susan Eileen Duffy Address Redacted Susan Elaine Kutra Address Redacted Susan Elisabeth Bowen Address Redacted Susan Elizabeth Ring Address Redacted Susan Elliott Harmon Address Redacted Susan Erickson Address Redacted Susan F Martell And Daniel Martell Jr Address Redacted Susan Fasken Trust Northern Trust Na Trustee Address Redacted Susan Faye Laser Address Redacted Susan Faye Scott Address Redacted Susan Foster Address Redacted Susan Frasch Address Redacted Susan G Komen Address Redacted Susan G Komen 3-Day Address Redacted Susan G Lodahl Address Redacted Susan G Pollmiller Address Redacted Susan Gay Keillor Address Redacted Susan H Bergfeld Trust Address Redacted Susan H Carpenter Address Redacted Susan Hagen Address Redacted Susan Halphide Dolezal Address Redacted Susan Hattrup Address Redacted Susan Heck Address Redacted Susan Hillstrom Masi 1985 Revocable Trust Susan Hillstrom Masi Trustee Address Redacted Susan Hillstrom-Masi Address Redacted Susan Hoadley Address Redacted Susan Houx Address Redacted Susan I Harden Address Redacted Susan Iles Davis Gerhardt Address Redacted Susan J & Dean T Kautzman Jt Address Redacted SUSAN J & DEAN T KAUTZMAN, JT Address Redacted Susan J Alfson Address Redacted Susan J Ganje Address Redacted Susan J Hutzenbiler Address Redacted Susan J Larsen Address Redacted Susan J Mikel Address Redacted Susan J Valliere Address Redacted Susan J Washenberger Address Redacted Susan Johnson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 568 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 571 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Susan K Mack C/O Dakota Community Bank Address Redacted Susan K Ribeiro Address Redacted Susan K Russo Address Redacted Susan K Starck Address Redacted Susan K Williams Address Redacted Susan Katz Address Redacted Susan Kay Fiedler Deraney Address Redacted Susan Kittleson Address Redacted Susan Klein Address Redacted Susan L Dickson Address Redacted Susan L Flanery Address Redacted Susan L Hittle Address Redacted

Susan Landers Grantor Trust Amarillo Nat'L Bank Ttee Address Redacted Susan Lee Mccaslin Armstrong Address Redacted Susan Lee Snyder Address Redacted Susan Lee Wells Address Redacted Susan Logan Page Address Redacted Susan Louise Cain Address Redacted Susan Louise Kirby Address Redacted Susan Lundin Address Redacted Susan Lynn Doyle Address Redacted Susan Lynn Flynn Address Redacted Susan Lynn Stephens Zucchet Address Redacted Susan M Abell Address Redacted Susan M Anderson Address Redacted Susan M Bradford Address Redacted Susan M Dick Address Redacted Susan M Fasken Hartin Rev Trst Northen Trust Na Trustee Address Redacted Susan M Jacobsen Address Redacted Susan M Johnson Address Redacted Susan M Kopp Address Redacted Susan M Link Address Redacted

Susan M Link Grandchildren Mineral Trust Dtd 12-27-12 Address Redacted Susan M Mccormick Address Redacted Susan M Monroe Address Redacted Susan M Parker Address Redacted Susan M Peterson Address Redacted Susan M Reiste Address Redacted Susan Marie Baird Address Redacted Susan Mcwain Address Redacted Susan Milstein Address Redacted Susan Mott Address Redacted Susan Mourning Address Redacted Susan Murray Address Redacted Susan Nelson Address Redacted Susan Nystuen Address Redacted Susan Oerlline Address Redacted Susan O'Malley Kosel Address Redacted Susan Opperman Address Redacted Susan P Dahl Address Redacted Susan Pritts Address Redacted Susan R Seaton Address Redacted Susan R Swanson Address Redacted Susan Rae Tooley Address Redacted Susan Riedinger Address Redacted Susan Rogers Jacunski Address Redacted Susan Rondell Address Redacted Susan Royce Hilton Address Redacted Susan Rusch Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 569 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 572 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Susan S Beilfuss Address Redacted Susan S Calder Address Redacted Susan S Dietz Address Redacted Susan S Lawrence Address Redacted Susan S Smith Address Redacted Susan S. Skrudland Address Redacted Susan Scott Ross Address Redacted Susan Shea Address Redacted Susan Short Williams Address Redacted Susan Strauss Address Redacted Susan Stutts Luther Address Redacted Susan T Love Address Redacted Susan T Tisch Address Redacted Susan Theresa Lento Address Redacted Susan Urban-Dumm Revoc I-V Tr Susan Urban-Dumm Trustee Address Redacted Susan Urban-Dumm Revocable Address Redacted Susan V Riley Address Redacted Susan W Vest C/O Barry G. Isaac Gross, Mendelsohn & Assoc P.A. Address Redacted Susan Wells Address Redacted Susan Welnel Address Redacted Susan Williams Patton Address Redacted Susan Young Address Redacted Susann Wolf Address Redacted Susanna Felice Linam Address Redacted Susanne A Houston Address Redacted Susanne Appodaca Address Redacted Susanne Isom Address Redacted Susanne M Walker Address Redacted Susie Beagle Address Redacted Susie Faulk Address Redacted Susie Willyard Address Redacted SUSMAN GODFREY Address Redacted Susman Godfrey LLP 1000 Louisiana St Ste 5100 Houston TX 77002 SUSMAN GODFREY LLP 1000 LOUISIANA ST STE 5100 Houston TX 77002 SUSMAN GODFREY LLP 1000 LOUISIANA STREET SUITE 5100 Houston TX 77002 Sustainable Water Resources, LLC Address Redacted

Sutton Family Revocable Trust Keith P Sutton As Trustee Address Redacted Sutton Family Revocable Trust Susan Kim Ballinger - Trustee Address Redacted Sutton Pump & Supply PO Box 1174 Kermit TX 79745 Suzan Dalle Address Redacted Suzan Nadi Address Redacted Suzanne Armistead Address Redacted Suzanne Beck Address Redacted Suzanne Blomquist Address Redacted Suzanne Bradshaw Rev Trust Dtd 12-18-06 - Suzanne Lindsay Bradshaw - Trustee Address Redacted Suzanne Bueng Address Redacted Suzanne C Rosten Address Redacted Suzanne Childress Sharp Ii Address Redacted Suzanne Clarke Address Redacted Suzanne Clary Address Redacted Suzanne Cohen Address Redacted Suzanne Collier Webb Address Redacted Suzanne Conn Davis Address Redacted Suzanne E Johnson Address Redacted Suzanne Gaulke Address Redacted Suzanne Haug Address Redacted Suzanne Haug And Roger Haug Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 570 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 573 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Suzanne Hudson Address Redacted Suzanne K Mcdaniel Address Redacted Suzanne Kaufman Address Redacted Suzanne L Homiston Address Redacted Suzanne M Knight Address Redacted Suzanne M Toepfer Address Redacted Suzanne Mitchell Address Redacted Suzanne Oftedal Reine &Donald Sexton, Poa Address Redacted Suzanne Peterson Elizabeth Danielson Poa Address Redacted Suzanne S Weeks Trust Uta Dtd June 5 1967 C/O Anb Bank Address Redacted Suzanne Schreiber Address Redacted Suzanne Snow Address Redacted Suzanne Sullivan Address Redacted Suzette Glaeser Address Redacted Suzette M Hrubes Address Redacted Suzie Thompson Address Redacted Sven Resources LLC 550 Vanderbilt Ave Apt 1418 Brooklyn NY 11238 SVEN RESOURCES LLC 550 VANDERBILT AVE APT 1418 Brooklyn NY 11238 S-W Legacy LLC 10529 4th St Nw Albuquerque NM 87114 Sw Partnership Address Redacted Swagelok Minnesota Address Redacted Swain, Lyle Address Redacted Swallow Hill Music 71 E Yale Ave Denver CO 80210 Swan Electric Company Inc 6133 Aurelius Rd Lansing MI 48911-4211 Swan R & Josephine Jungovic 17693 N El Dorado Way Surprise AZ 85374-5682 Swann Consulting LLC 1456 E Hillcrest Dr #2 Washington UT 84780-3001 Swanson Flo Co 151 Cheshire Ln N Suite 700 Plymouth MN 55441 Swanson Oilfield Services Inc PO Box 2268 Williston ND 58802 Swanson Production Co LLC 339 Indian Paintbrush Drive Golden CO 80401 Swat Consulting Inc 12514 16 Mile Road Marshall MI 49068 Swc Production Inc 210 Park Ave Ste 2820 Oklahoma City OK 73102 SWC PRODUCTION INC 210 PARK AVE STE 2820 Oklahoma City OK 73102 Sweetman, Sandy Address Redacted SWEETWATER CO., WY ET AL 80 W. FLAMING GORGE WAY Green River WY 82935 Sweetwater County Treasurer 80 West Flaming Gorge Way Suite 139 Green River WY 82935 Swegarden, Tara Address Redacted Swift Technical Services LLC 3050 Post Oak Blvd Ste 1450 Houston TX 77056 Swim Across America Inc 116000 N Community House Rd Ste 100 Charlotte NC 28277 Swing Trucking Inc Box 199 Worland WY 82401 SWING TRUCKING INC-4539 BOX 199 Worland WY 82401

Sws Aapg 2019 Sws Convention C/O Dallas Geological Society 4925 Greenville Ave Ste 200 Dallas TX 75206 Sybil Huskey 231 Pinewood Lane Rock Hill SC 29730 Syble Joan Marraro Address Redacted Sydney Mike Gardner Donald A Belanger Trustees Donald A Belanger & Sydney Address Redacted Sydney Steffan Address Redacted Sylvester & Shirley Phillippi Address Redacted Sylvester (Jim) Wiley Jr Address Redacted Sylvester D Phillippi & Shirley A Phillippi - Jtwros & Life Estate Address Redacted Sylvester E Romanyshyn Address Redacted Sylvester L Pavlicek & Edith Pavlicek L/E Address Redacted Sylvia A Hack 2013 Dynasty Tr Dtd Dec 6, 2013 Sylvia A Hack, Trustee Address Redacted Sylvia A Olson Address Redacted Sylvia A Watts Address Redacted Sylvia Anna Haesly Address Redacted Sylvia Bragg Life Tenant Address Redacted Sylvia Clara Mcgee Estate Address Redacted Sylvia Fladeland Family Mineral Trust Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 571 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 574 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Sylvia Fladeland L/E Address Redacted Sylvia L Carns Address Redacted Sylvia L Leiseth Address Redacted Sylvia L Thompson Address Redacted Sylvia M Deserly Address Redacted Sylvia M Harris C/O Judith A Voshell Aif Address Redacted Sylvia M Holst Address Redacted Sylvia M Vineger Address Redacted Sylvia Moore Fowler Address Redacted Sylvia Simle Life Estate C/O Carol Donnelly Address Redacted Sylvia Sjostrom Address Redacted Sylvia T Holland Gst Non-Exempt Trust Fbo Elizabeth Reeves Address Redacted Sylvia Vinger Address Redacted Sylvia Vinger Family Trust Sylvia Vinger Trustee Address Redacted Sylvia Wiley Address Redacted Sylvin & Georgina Steffan Family Mineral Trust Randall Steffan - Trustee Address Redacted Syminow, Rodney Address Redacted Synnove A Fitzpatrick Address Redacted Sysko Business Solutions 10245 33rd St SW Gladstone ND 58630-9520 SYSTEM TOOLS Address Redacted SYSTEMS ANALYSIS, INC. ONE PEARL STREET Redondo Beach CA 90277 Systems Communication Inc PO Box 1470 Vernal UT 84078 Szymanski, Scott Address Redacted T & B LENIHAN Address Redacted T & B LENIHAN Address Redacted T & E Power Systems PO Box 3562 Seattle WA 98124 T & J Valve PO Box 61066 San Angelo TX 76906 T & M Asset Management Inc C/O Slawson Exploration Company Inc 739 Forest St Denver CO 80220 T & S Service Inc Box 973 Gillette WY 82716 T C Craighead & Co PO Box 576 Ardmore OK 73402 T C Moran & Co A Partnership 3415 S Race St Englewood CO 80110 T C Moran & Co Attn: Anne M Coughlin, Partner 141 S Lafayette St Denver CO 80209 T D B Resources LP 4505 S Wasatch Blvd Ste 200 Salt Lake City UT 84124 T D Lander Resources LLC PO Box 5608 Grand Forks ND 58206 T E Mcclintock Trust F/B/O Elizabeth M Nikoloric Colo State Bk & Tr Trustee Address Redacted T E Mcclintock Trust F/B/O Mary M Swift U S Bank Ttee Bank Of Ok Agent PO Box 3499 Tulsa OK 74101-3499 T F Hudgins Incorporated Dept 859 Po Box 4346 Houston TX 77210-4346 T Grace Macdonald Trustee Of Address Redacted T Harlan Brekke & Linda L Brekke (Jt) Address Redacted T L & Betty Bezzerides Jtwros 1300 Ne 16th Ave Apt 435 Portland OR 97232 T L Beiseker Land Co PO Box 1588 Tulsa OK 74101 T LAZY T RANCH 13633 UPPER MAGPIE ROAD Fairfield ND 58627 T Michael Dolan Address Redacted T Michael Mccartney Address Redacted T Parten Wakefield Jr Address Redacted T R Clark LLC Tena R Clark Mgr PO Box 100 Palmetto GA 30268-0100 T Richard Svor Address Redacted T Steven Monson Address Redacted T&E The Cat Rental Store PO Box 58201 Tukwila WA 98138-1201 T&T Measurements Inc 10671 43rd St Nw Newtown ND 58763 T. Lawrence & Marion T. Jones Address Redacted T. P. Reidy Address Redacted Tab Joseph Harvey Address Redacted TAB PRODUCTS CO LLC 12330 E 46TH AVENUE SUITE 500 BUILDING 1 Denver CO 80239 Tab Products Co LLC 24923 Network Place Chicago IL 60673-1249 Tableau Software Inc PO Box 204021 Dallas TX 75320-4021 Tacjjc LLC PO Box 456 Williston ND 58802 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 572 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 575 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tactical Consulting Services Llc Po Box 80 Williston ND 58802 Taffrail Investments LP PO Box 11025 Midland TX 79702 Tag Co Inc Po Box 38 Laketown UT 84038-0038 TAG CO INC Gary Forakis PO Box 38 Laketown UT 84038 Taggart James Snyder 722 N 6th St Bismarck ND 58501 Tahssa Mineral Holdings LLC PO Box 1751 Bismarck ND 58502-1751 Tailwind Energy Investments LLC 6020 Aqua Path Miami Beach FL 33141 Tait Bryan And Kayla Harris Jtwros Address Redacted Talia Bang Address Redacted Talkington LLP 13125 35th St Sw Belfield ND 58622 Tallgrass Energy Address Redacted TALLGRASS ENERGY PARTNERS-8530 Address Redacted Tallgrass Midstream LLC Attn: Accounts Receivable 370 Van Gordon St Lakewood CO 80228 Tallgrass Midstream, LLC 307 Van Gordon St. Lakewood CO 80228 Tallgrass Midstream, LLC Attn: Zach Rider 4200 W 115th St Suite 350 Leawood KS 66211 Tallgrass Midstream, LLC Attn: Zach Rider 4200 W 115th Street Suite 350 Leawood KS 66211 Tallgrass Midstream, LLC c/o Sidley Austin LLP Attn: David E. Kronenberg 1501 K Street, N.W. Washington DC 20005 CONTRACT TALLGRASS MIDSTREAM, LLC P.O. BOX 5103 205 WEST MAPLE SUITE 1100 ADMINISTRATION Enid OK 73702-5103 Tally Construction LLC 745 Mustang Ave Dickinson ND 58601 Talon Lpe Ltd PO Box 843 Amarillo TX 79105-0843 Talon/LPE, Ltd. Attn: Cari Morrison 921 N. Bivins Amarillo TX 806-467-0607 Tama R Baumgarten Address Redacted Tama T Brooks Address Redacted Tamara A Hamilton Address Redacted Tamara Bobitzke Address Redacted Tamara D Seifert Address Redacted Tamara Dee Harris Address Redacted Tamara Fohr Address Redacted Tamara Jackson Address Redacted Tamara Jean Houle Address Redacted Tamara K Monteyne Address Redacted Tamara K Waade Address Redacted Tamara L Dicello Address Redacted Tamara Wolfe Kinney Address Redacted Tamera J & James Schroeder Address Redacted Tamera Korb Address Redacted Tamera Renee Schwarz Address Redacted Tamera Schroeder Address Redacted Tami Evans Address Redacted Tami Jo White Address Redacted Tami Njos Address Redacted Tami R Larsen Address Redacted Tami Walker Reidle Address Redacted Tammi J Henry Address Redacted Tammi J Reid Address Redacted Tammie E Hill Address Redacted Tammie L Stewart Address Redacted Tammie L Thompson Address Redacted Tammy Andre D/B/A Signs By Dan 1119 4th St. E Williston ND 58801 Tammy Ann Coughlin Address Redacted Tammy Bachli Address Redacted Tammy Butt Address Redacted Tammy C Douglas Address Redacted Tammy Clara Anderson-Hulme Address Redacted Tammy James Address Redacted Tammy Jennings Address Redacted Tammy Jo Ito Address Redacted Tammy Kleinwachter Address Redacted Tammy Lacrosse Address Redacted Tammy Lucille Goodell Address Redacted Tammy Lynn Hauge C/O B Rhodes 1520 16th St Sw Apt 202 Minot ND 58701 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 573 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 576 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tammy R Luckhardt Address Redacted Tammy Skavlem Address Redacted Tammy Sue Holl Address Redacted Tamra Hayes Address Redacted Tamra Petersen Address Redacted Tan D Nguyen And Hoang Nguyen As Jt Tnts Address Redacted Tana Buchholz Address Redacted Tana Sue Page Address Redacted Tango Sierra Minerals LLC 4843 43rd St S Fargo ND 58104 Tani, Chansamone Address Redacted Tania Uram Address Redacted Tanja M Wold Revocable Trust Dated 12/21/17 Tanja M Wold Trustee Address Redacted Tanja Ramsey Address Redacted Tanjia Fay Melland Address Redacted Tanklogix LLC 1082 West 1700 North Logan UT 84321 Tanner B Patty Address Redacted Tanner Family Mineral Rghts Tr Linda Laponte Ttee Address Redacted Tanner Lee Foster Address Redacted Tanya Delitz Address Redacted TANYA HARPER Address Redacted Tanya Lynn Reed Address Redacted Tanya Rene Pierce Address Redacted Taplin Group LLC 5140 West Michigan Ave Kalamazoo MI 49006 Tappenden, Brent Address Redacted Tar Creek LLC 2217 Cardinal Rd Ardmore OK 73401-7357 Tara Ethier Address Redacted Tara Jean Bain Address Redacted Tara Joan Jackson Address Redacted Tara Rudman Revocable Trust Address Redacted Tara Sawyer Address Redacted TARGA 23613 NETWORK PLACE Chicago IL 60673-1236 ATTN: GENERAL TARGA BADLANDS LLC 1970 EAST 3RD AVENUE SUITE 205 COUNSEL Durango CO 81301 Targa Badlands LLC Attn: Dan C. Middlebrooks 811 Louisiana St. Ste 2100 Houston TX 77002 Targa Badlands LLC c/o Porter Hedges LLP Attn: Joshua W. Wolfshohl 1000 Main St 36th Floor Houston TX 77002 TARGA BADLANDS LLC ORIGINALLY SADDLE BUTTE ATTN: CONTRACT PIPELINE, LLC P.O. BOX 5103 205 WEST MAPLE SUITE 1100 ADMINISTRATION Enid OK 73702-5103 TARGA BADLANDS LLC PREVIOUSLY SADDLE BUTTE PIPELINE, LLC P.O. BOX 844 Houston TX 77001 Targa Badlands LLC Dba Saddle Butte Pipeline, LLC Attn: General Counsel 1970 East 3rd Avenue Suite 205 Durango CO 81301 ATTN: GENERAL TARGA BADLANDS LLC-8531 1970 EAST 3RD AVENUE SUITE 205 COUNSEL Durango CO 81301 TARGA MIDSTREAM SERVICES LLC P.O. BOX 844 Houston TX 77001 TARGA MIDSTREAM SERVICES LLC P.O. BOX 871 Tulsa OK 74102-0871 Targa Resources Partners Lp 23613 Network Place Chicago IL 60673-1236 Target Oil Tools LLC P O Box 621 3540 Us 131 Ne Kalkaska MI 49646 Target Trucking Inc PO Box 335 Vernal UT 84078-0335 Tarson Energy 1835 Contessa Drive Bismarck ND 58502 Tartan Completion Systems Corp PO Box 1710 Casper WY 82602 Tas Royalty Company PO Box 5279 Austin TX 78763 Tauer, Bradley Address Redacted Taunya Owens C/O Nancy Deeds Address Redacted Taurus Corporation C/O Robert Benson Payne Jr PO Box 1477 Little Elm TX 75068 Taurus Royalty LLC C/O Robert B Payne Jr PO Box 1477 Little Elm TX 75068 Tax Executives Institute Inc C/O Devin Simon 1621 18TH ST STE 100 Denver Chapter Zayo Group Denver CO 80202

Tax Management Consultant LLC 64383 East Squash Blossom Lane Tucson AZ 85739

Tax Management Consultant LLC Thomas Clairmont 64383 East Squash Blossom Lane Tucson AZ 85739 Taya Sweeden Esq Chapter 7 Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 574 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 577 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Taybecs Royalities LLC PO Box 220 Jenks OK 74037-0220 Tayber Enterprises LLC 2291 260th Ave Hays KS 67601 Taye, Tsion Address Redacted Taylor Austin Address Redacted TAYLOR JOHN ENGUM Address Redacted Taylor Living Trust Patricia Joyce Taylor Trustee Address Redacted Taylor R Lundquist Richard Lundquist Jr Custodian Address Redacted Taylor Vegetation Control LLC 103 E Allen St Mooringsport LA 71060 Taylor, Raymond Address Redacted Taylor, Robert Address Redacted Taylor, Tyler Address Redacted Tb Dawson LLC 20806 Tallow View Lane Cypress TX 77433 T-Bar Oil & Gas Ltd PO Box 247 Crested Butte CO 81224

Tceq Cashiers Office Mc 214 Teir Ii Program Po Box 13088 Austin TX 78711-3088 For Northern Valley Electrical Service Tci Business Capital Inc Po Box 9149 Minneapolis MN 55480-9149 Tcs Trust Wr (Trey) Sibley Iii - Trustee 4851 Lbj Freeway Ste 210 Dallas TX 75244 Tct West Inc PO Box 671 405 South 4th Street Basin WY 82410 Td Ameritrade Clearing, Inc. Attn: Corp Actions Janice Gude, Suzanne Brodd 200 S. 108th Avenue Omaha NE 68154 Td Ameritrade Clearing, Inc. Kevin Strine 4211 S. 102nd Street Omaha NE 68127 Td Ameritrade Clearing, Inc. Mandi Foster 1005 N. Ameritrade Place Bellevue NE 68005 Td Minerals LLC 742 Orchard Dr Paso Rables CA 93446 Td Unlimited LLC 3991 Valley Commons Bozeman MT 59718 Td Waterhouse Canada Inc./CDS** Yousuf Ahmed 77 Bloor Street West 3rd Floor Toronto ON M4y 2t1 Canada Tde Petroleum Data Solutions 1600 Highway 6 Ste 300 Sugar Land TX 77478 Tdl Inc PO Box 5608 Grand Forks ND 58206 TDL INC PO BOX 5608 Grand Forks ND 58206 19440 GOLF VISTA PLAZA STE TDS DENVER LLC 220 Leesburg VA 20176 Tds Denver LLC 19440 Golf Vista Plaza Ste 220 Leesburg VA 20176 Tdw LLC C/O Tim Doppler 1070 Westwood Street Bismarck ND 58504 TDW LLC C/O TIM DOPPLER 1070 WESTWOOD STREET Bismarck ND 58504 Tdw LLC C/O Tim Doppler 1070 Westwood Street Bismarck ND 58504 TDW, LLC C/O TIM DOPPLER 1070 WESTWOOD STREET Bismarck ND 58504 Teal Micha Seth Scott Address Redacted Teal Royalties LLC Subsidiary Of Noble Royalties PO Box 660082 Dallas TX 75266-0082 Team Leader Ryan Chislett The Northern Trust Company 801 S Canal Street Attn: Capital Structures-C1n Chicago IL 60607 Branch Banking And Trust Team Leader Tanji Bass Company 223 W. Nash Street 3rd Floor Wilson NC 27893 Team Oil Tools Lp PO Box 204532 Dallas TX 75320-4532 Team Professional Services Inc PO Box 720534 Norman OK 73070 Tec 700 West Street Jackson MS 39201 Tec Bay Springs Office Po Box 22588 Jackson MS 39225-2588 Tec Well Service LLC C/O Austin Bank Po Box 1577 Gainesville TX 76241 Tech Minerals LLC PO Box 591 Watonga OK 73772 Techniche Americas LLC 5857 Owens Ave Ste 300 Carlsbad CA 92008 TECHNICHE AMERICAS LLC SUITE 300 5857 OWENS AVENUE Carlsbad CA 92008 Teckla Barta Berglund 2210 Upton Aven Minneapolis MN 55411-2315 Tecplot Inc PO Box 52708 Bellevue WA 98015 Tecq Revenue Section - TX Sara Tier Ii Reporting PO Box 13087 Austin TX 78711-3087 Tecta America Dakotas LLC PO Box 12878 Grand Forks ND 58208-2878 Ted B Johnson Address Redacted Ted Collins Jr Address Redacted Ted Collins, Jr. C/O Houston Natural Gas PO Box 2267 Midland TX 79702 Ted E & Sheri L Carlson Address Redacted Ted H Williams The Dakota Gas Co., LLC PO Box 3220 Cody WY 82414 Ted Hartman Address Redacted Ted Hecker Elvira Schuster - Poa Address Redacted Ted Keller Address Redacted Ted M. Potter Address Redacted Ted Marchell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 575 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 578 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ted Morehouse Address Redacted Ted R Terfehr Address Redacted Ted R Terfehr c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Ted R Townsend Address Redacted Ted W Rieke Living Trust Dtd April 28, 2003 Ted W Rieke, Trustee Address Redacted Ted Weiner Oil Prop Trust PO Box 121938 Fort Worth TX 76121-1938 Teddy Bagley Address Redacted Teddy Lee Olsen Address Redacted Teddy Shaw Address Redacted Teddy T Sullivan 115 S Ellery Ave Fairview MT 59221 Teddy T Sullivan And June I Sullivan H/W Address Redacted Teggart, Jeanne Address Redacted Teisinger Stevens Wicklund Address Redacted Teisinger Stevens Wicklund Royalty Trust - Earle D Wicklund, Claude L Teisinger & Edward J Stevens - Trustees Address Redacted Tejas Production Services Inc PO Box 3368 Victoria TX 77903 Tek Industries LLC PO Box 1596 Dickinson ND 58602 Teksystems Inc PO Box 198568 Atlanta GA 30384-8568 Telerik Inc PO Box 206614 Dallas TX 75320 TELERIK INC. (DBA PROGRESS SOFTWARE CORPORATION) 14 OAK PARK DRIVE Bedford MA 01730 Teletrac Inc 7391 Lincoln Way Garden Grove CA 92841 Teletrac Inc 32472 Collection Center Drive Chicago IL 60693-0324 Telford S Eggleston Jr & Doris S Eggleston Tr UA 12-aug- The Telford S Jr & Doris S Eggleston 94 Revocable Living Trust 4609 Sam Snead Ct Virginia Beach VA 23462-4705 Telmar E Rolfstad Address Redacted Temp Right Service Inc 1569 I94 Business Loop E Dickinson ND 58601-6414 Temple Jo Grantham Address Redacted Ten Point Energy Inc 1605 Sandcreek Drive Williston ND 58801 Ten Point Minerals LLC PO Box 597 Denver CO 80202 Tena Johnson Address Redacted Tenaris Global Services Kathy Worchesik 2200 West Loop South #800 Houston TX 77027 Tenaris Global Services USA Attn: Alejandra Navarro 2200 West Loop South Suite 800 Houston TX 77027 Tenaris Global Services Usa PO Box 2962 Carol Stream IL 60132-2962 Tenaris Global Services USA Corporation Address Redacted

Tenaris Global Services USA Corporation Alejandra Navarro / Kathy Worchesik 2200 West Loop South, Suite 800 Houston TX 77027 Tenax Energy Solutions LLC PO Box 2407 Elk City OK 73648 Tennille R Weising Address Redacted Tennyson Center For Children 2950 Tennyson St Denver CO 80212 Tep Rocky Mountain LLC 21237 Network Place Chicago IL 60673-1212 Tercel Oilfield Products Usa Llc Dba Rubicon Oilfield Intl Po Box 733460 Dallas TX 75373-3460 Teredo Royalties LLP PO Box 1602 Bismarck ND 58502-1602 Terence Gerard Flamboe Address Redacted Terence J Keating Address Redacted Terence J Ortloff (Le) Address Redacted Teresa A Hamilton And Brian H Smelker Address Redacted Teresa A Stokken Address Redacted Teresa A Vineyard Ttee Davis Family Trust Fbo Teresa A Vineyard Address Redacted Teresa A Whelan Address Redacted Teresa Ann Erickson Aka Terri Erickson Address Redacted Teresa Ann Suckow Address Redacted Teresa Bartelson Address Redacted Teresa Brower Timms Address Redacted Teresa C Barger Address Redacted Teresa Dolezal Irrevoc Trust Denise Wise & Teresa D Boss Co-Trustees Address Redacted Teresa J Quintana Address Redacted Teresa Jo Fear Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 576 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 579 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Teresa Jordan Address Redacted Teresa Kerr Address Redacted Teresa Kinamon Archie Address Redacted Teresa L Bradfield Address Redacted Teresa L Hodgson-Ricarte Address Redacted Teresa L Hoven Address Redacted Teresa L Kelly Kappel Address Redacted Teresa M & William E Coleman Address Redacted Teresa M Walton Address Redacted Teresa M Wells Address Redacted Teresa Mary Nebeker Address Redacted Teresa Nielsen Address Redacted Teresa Oleary-Carvalho Address Redacted Teresa Pedersen Address Redacted Teresa Phan Address Redacted Teresa Rose Popkin-Wild Address Redacted Teresa Sgalio Address Redacted Teresa Wilkinson Manchik Address Redacted Terese M Janovec Address Redacted Teri Davis Address Redacted Teri L Hanna Address Redacted Teri L Nelson Address Redacted Teri L Rooney Address Redacted Teri Lorence Trust Sandra Qualley Trustee Address Redacted Teri Nelson Address Redacted Teri Physioc Address Redacted Teri Rae Behr Address Redacted Terje Ledang Address Redacted Terra Energy Company LLC C/O Breitburn Operating Lp Po Box 1256 Gaylord MI 49734 Terra Energy Partners LLC 3050 Post Oak Blvd Ste 1500 Houston TX 77056-6569 Terracon Consultants Inc PO Box 959673 St Louis MO 63195-9673 Terrance Dutchak Address Redacted Terrance F Tollefson & Judith Tollefson J/T Address Redacted Terrance Maier Address Redacted Terrance Mark Jones Address Redacted Terre Verte Company Inc Address Redacted

Terrell Family Rev Trust Diana J Terrell Chastain Trustee Address Redacted Terrence Braun Address Redacted Terrence L Johnson Address Redacted Terresa Marie Tompkins Address Redacted Terri A Derby Address Redacted Terri Bendixson Address Redacted Terri Cook Address Redacted Terri Crosby Address Redacted Terri Griffin Address Redacted Terri L Cook Rev Lvg Tr U/A 10/5/12 Terri L Cook Ttee Address Redacted Terri L Hanson Address Redacted Terri Laird Young Address Redacted Terri Lee Mcrae Address Redacted Terri Torgerson Address Redacted Terri Tweden Wells Address Redacted Terri Walton A/K/A Terrie Dority Address Redacted Terri Watson Address Redacted Terrie Dority Address Redacted Territorial-Landworks Inc PO Box 3851 Missoula MT 59806 Terroux, Tiffany Address Redacted Terry & Beverly Heil Family Trust Dtd 10-11-16 Address Redacted Terry & Feona Schimke Joint Tenants Address Redacted Terry & Paulette Gimbel Jt Address Redacted Terry A Knaff Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 577 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 580 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Terry A Oswald And Barbara J Oswald Oswald Family Living Trust Address Redacted Terry A Smith Address Redacted Terry Alan Glaeser Address Redacted Terry Bolkan Address Redacted Terry C Miller Address Redacted Terry Coldewey Address Redacted Terry Crawford Address Redacted Terry D Anderson Address Redacted Terry D Oliver Address Redacted Terry Doherty Address Redacted Terry E Meyers Address Redacted Terry E Njos Address Redacted Terry E Worthy Address Redacted Terry Edmond Stuart Address Redacted Terry Falkenhagen Address Redacted Terry Fox Address Redacted Terry G Shafer Address Redacted Terry Green Address Redacted Terry Huus Address Redacted Terry J Fladmo Address Redacted Terry J Gedda Address Redacted Terry Joe Brown Duane & Taffi Brown Guardians Address Redacted Terry Kinamon Address Redacted Terry Kubas Address Redacted Terry Kuester Address Redacted Terry L Cottingham Address Redacted Terry L Falcon Address Redacted TERRY L GIMBEL Address Redacted Terry L Harris Address Redacted Terry L Howard Address Redacted Terry L Klein Sr Address Redacted Terry L Meldahl Address Redacted Terry L Pickett Address Redacted Terry L Wicks Address Redacted Terry Lee Ganey Address Redacted Terry Lee Jacobson Address Redacted Terry Lynn Anderson Address Redacted Terry M Brown Address Redacted Terry M Walhaug Address Redacted Terry Mcginnis Address Redacted Terry Meduna Address Redacted Terry N & Mary Ellen Barnes Revocable Trust Dated 10/12/11 Terry & Mary Ellen Barnes Ttee Address Redacted Terry N And Nancy J Thomas Address Redacted Terry N And Nancy J Thomas Revocable Living Trust - Terry N And Nancy J Thomas Trustees Address Redacted Terry N Cayko Address Redacted Terry Niel Thomas Address Redacted TERRY NJOS Address Redacted Terry Oconnor Address Redacted Terry Paull Address Redacted Terry Pulliam Address Redacted Terry R House Address Redacted Terry R Irgens Address Redacted Terry R Isom C/O Valorie Isom Andreas Address Redacted Terry R Moore Address Redacted Terry R Stromme Address Redacted Terry Reynolds Address Redacted Terry S George Address Redacted Terry S Hoag Address Redacted Terry S Mcivor Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 578 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 581 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Terry Schmoker Address Redacted Terry Scott Patena Address Redacted Terry Sherven Address Redacted Terry Stevens Address Redacted Terry T Higlin Address Redacted Terry T Loofbourrow Address Redacted Terry Thomas Dietz Address Redacted Terry Tootle Address Redacted Terry Verhasselt Address Redacted Terry W Heil Address Redacted Terry Wayne Adams Sr Address Redacted Terryl Heinlein Address Redacted Tervita Environmental Services 1801 California St 50th Floor Denver CO 80202 Tervita Environmental Services 1801 California St, 50th Fl Denver CO 80202 Teryl L Linder Address Redacted Tesha Jacobson Address Redacted TESORO 19100 RIDGEWOOD PARKWAY San Antonio TX 78529 LOGISTICS CONTRACT TESORO HIGH PLAINS PIPELINE COMPANY LLC 19100 RIDGEWOOD PARKWAY ADMINISTRATOR San Antonio TX 78529 ATTN: AREA MANAGER, PIPELINE AND TERMINALS ND TESORO LOGISTICS LP (QEP FIELD SERVICES LLC) 19100 RIDGEWOOD PARKWAY AND MT San Antonio TX 78259 ATTN: AREA MANAGER, PIPELINE AND TERMINALS ND TESORO LOGISTICS LP (QEP FIELD SERVICES) 19100 RIDGEWOOD PARKWAY AND MT San Antonio TX 78259 TESORO LOGISTICS OPERATIONS LLC (TLO)-8534 19100 RIDGEWOOD PKWY San Antonio TX 78259 TESORO REFINING & MARKETING COMPANY LLC P.O. BOX 871 Tulsa OK 74102-0871 TESORO REFINING & MARKETING COMPANY LLC P.O. DRAWER 2360 455 NORTH POPLAR Casper WY 82602 TESORO REFINING AND MARKETING 19100 RIDGEWOOD PKWY San Antonio TX 78259 Tessa Henry Aka Theresa Henry Address Redacted Tessa K. Neal Address Redacted Tessa M Maupin Address Redacted Tessa N Van Weerdhuizen Address Redacted Tessa Nesheim Address Redacted Tessa Stramer Address Redacted Tessah S Hagen Address Redacted Tessie Lois Karl Yaws Address Redacted Tessier, Zachary Address Redacted Test Tr U/W/O W S Raymond American State Bank & Tr Ttee Address Redacted Testamentary Trust Established Under Article Vi Of The Last Will & Test Of Lanny Marlenee Address Redacted Testamentary Trust Fbo Macy Nesheim David Nesheim - Trustee Address Redacted Testamentary Trust Fbo Ryan Nesheim David Nesheim - Trustee Address Redacted Teton Properties, LLC C/O Joseph W Martin 2727 East 21St St. Ste 204 Tulsa OK 74114 Tevin Eugene Kukowski Address Redacted Tewell Warren Printing 14701 E 38th Ave Aurora CO 80011-1215 Tewill One LLC 730 17Th Street Suite 712 Denver CO 80202 Tewill One LLC 730 17Th Street, Suite 712 Denver CO 80202

TEXACO EXPLORATION AND PRODUCTION INC. ATTN: R.W. HILL 1970 CHINA GRADE LOOP ROAD Bakersfield CA 93308 Texas A&M University System A&M System Bldg 301 Tarrow Street 6Th Floor College Station TX 77840-7896 Texas Commission On Environmental Quality 12100 Park 35 Circle Austin TX 78753

TEXAS COMMISSION ON ENVIRONMENTAL QUALITY 12100 PARK 35 CIRCLE Austin TX 78753 Texas Commission on Environmental Quality Attn: Legal PO Box 13087 Austin TX 78711-3087 Texas Commission On Environmental Quality - Permit Fees PO Box 13087 Austin TX 78711-3087

Texas Comptroller Of Public Accounts Unclaimed Property Division Po Box 12019 Austin TX 78711-2019 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 579 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 582 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Texas Comptroller Of Public Accounts 111 East 17th Street Austin TX 78774 Texas Comptroller Of Public Accounts Capitol Station P.O. Box 13528 Austin TX 78711-3528 Texas Comptroller Of Public Accounts PO Box 13528, Capital Station Austin TX 78711-3528 Texas Comptroller of Public Accounts Attn: Glenn Hegar Capitol Station PO Box 13528 Austin TX 78711 Lyndon B. Johnson State Office Texas Comptroller of Public Accounts Attn: Glenn Hegar Building 111 E 17th Street Austin TX 78774 c/o Office of the Attorney General - Texas Comptroller of Public Accounts Bankruptcy & Collections Division P.O. Box 12548 MC-008 Austin TX 78711 Texas Comptroller of Public Accounts c/o Revenue Accounting Division Attention: Bankruptcy P.O. Box 13528 Austin TX 78711 Texas Comptroller of Public Accounts c/o Revenue Accounting Division Attn: Bankruptcy P.O. Box 13528 Austin TX 78711 Texas Comptroller of Public Accounts c/o Revenue Accounting Division Attn: Lionel Kimble 111 E. 17th Street Austin TX 78711 Office of the Attorney General - Texas Comptroller of Public Accounts Bankruptcy & Collections Division P.O. Box 12548 MC-008 Austin TX 78711 Revenue Accounting Division - Texas Comptroller of Public Accounts Attention: Bankruptcy P.O. Box 13528 Austin TX 78711 TEXAS COMPTROLLER OF PUBLIC ACCOUNTS UNCLAIMED PROPERTY DIVISION PO BOX 12019 Austin TX 78711-2019 Texas Comptroller of Public Accounts, Revenue Accounting Divison c/o Bankruptcy & Collections Division Attn: E. Stuart Phillips PO Box 12548 Austin TX 78711-2548 Texas Crude Inc 2803 Buffalo Speedway Houston TX 77098 Texas Crude Oil Inc 2803 Buffalo Speedway Houston TX 77098 Texas Crude Oil Products Co 4140 Normandy Avenue Dallas TX 75205 Texas Department Of Motor Vehicles 1601-A Southwest Pkwy Wichita Falls TX 76302 Texas Dyed Diesel Report 111 East 17th Street Austin TX 78774 Texas Dyed Diesel Report PO Box 149357 Austin TX 78714 Texas EEOC - Dallas District Office Attn: Belinda McCallister 207 S Houston Street 3rd Floor Dallas TX 75202 Texas Health Presbyterian Fou Oil/Gas Management Farmers National Co Agent PO Box 3480 Omaha NE 68103-0480 TEXAS INDEPENDENT EXPLORATION 6760 PORTWEST DR Houston TX 77024 Texas Independent Exploration Ltd C/O Marquee Corporation 950 Echo Lane Ste 355 Houston TX 77024 Texas Industries Inc Attn Heather Omara Po Box 565368 Dallas TX 75247 Texas Occupational Safety and Health Administration Austin Area Office La Costa Green Building 1033 La Posada Drive Suite 375 Austin TX 78752 Texas Office Of The Attorney General 300 W. 15Th St Austin TX 78701 Texas Office of the Attorney General Attn: Ken Paxton 300 W 15th Street Austin TX 78701 Texas Office of the Attorney General Consumer Protection Division PO Box 12548 Austin TX 78711 Texas Osage Royalty Pool Inc 8602 Crownhill Blvd San Antonio TX 78209-1121 Texas Pacific Land Trust 1700 Pacific Avenue Suite 2900 Dallas TX 75201 Texas Pacific Oil Company LLC PO Box 8809 Midland TX 79708 Texas Pipe & Supply Company PO Box 301052 Dallas TX 75303-1052 Texas Railroad Commission 1701 N. Congress Austin TX 78701 Texas Railroad Commission PO Box 12967 Austin TX 78711-2967

TEXAS RAILROAD COMMISSION, OIL & GAS DIVISION 1701 NORTH CONGRESS AVE. P.O. BOX 12967 Austin TX 78711-2967 Texas Republic Petroleum Co,In PO Box 79467 Houston TX 77279-9467 Texas Scottish Rite Hospital For Crippled Children Dept 3921 PO Box 123921 Dallas TX 75312-3921 Texas State Comptroller Comptroller Of Public Accounts 1919 North Loop West Suite 510 Houston TX 77008 Thomas Jefferson Rusk State Texas State Securities Board Attn: E. Wally Kinney Office Building 208 E 10th Street Austin TX 78701 Texas State University Attn: Advancement Services Jck- 480 Fourqurean-Parker Scholarship 601 University Dr San Marcos TX 78666-4684 Texas Tea Partners LLC C/O Courtenay Taylor PO Box 720429 Dallas TX 75372 Texas Treasury Safekeeping Trust Com Janie Dominguez 208 E. 10th Street Room 410 Austin TX 78701 Texas Treasury Safekeeping Trust Company Janie Dominguez 208 E. 10th Street Room 410 Austin TX 78701 Texas Workforce Commission Attn: Julian Alvarez 101 E 15th Street Room 651 Austin TX 78778 Tex-Isle Supply Inc PO Box 301504 Dallas TX 75373-1504 Texla Oil Company LLC P O Box 9190 Metairie LA 70055 TEX-MEX CONSTRUCTION, INC 458 6TH ST Hoboken NJ 07030 Suite 4800, 701 Poydras TGS-NOPEC Geophysical Company Andrew A. Braun Gieger Laborde & Laperouse, LLC Street New Orleans LA 70139

TGS-NOPEC Geophysical Company Gena Glover, Esq.; Legal Department 10451 Clay Road Houston TX 77041 Thaddeus J Harris And Samantha Jo Harris Jtwros Address Redacted Thaddeus Sices Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 580 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 583 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Thane Tyler Sponsel Jr Ttee Address Redacted Tharp Minerals LP 200 Congress Ave Unit 19Ac Austin TX 78701 Tharp Minerals LP 200 Congress Avenue Unit 19Ac Austin TX 78701 Thayer G Mayer Address Redacted The 1996 Revocable Trust Of Joan Noah Kuehn Joan Noah Kuehn Trustee Address Redacted The 85 Disposal Inc 423 1st Ave W Williston ND 58801 The Action Center 8755 W 14th Ave Lakewood CO 80215 Attn: Andrew N. Rosenberg, Alice c/o Paul, Weiss, Rifkind, Wharton & Belisle Eaton, Michael M. Turkel & 1285 Avenue of the The Ad Hoc Committee of Noteholders Garrison LLP Omid Rahnama Americas New York NY 10019

Attn: John F. Higgins, Eric M. The Ad Hoc Committee of Noteholders c/o Porter Hedges LLP English and Genevieve M. Graham 1000 Main Street, 36th Floor Houston TX 77002 The Adams Family LLC 2615 Oak Dr, Unit 35 Lakewood CO 80215 The Allar Company PO Drawer 1567 Graham TX 76450-1567 The Allar Development LLC PO Box 1567 Graham TX 76450 The Armstrong Corp PO Box 1999 Dickinson ND 58602-1999 THE ARMSTRONG CORP PO BOX 1999 Dickinson ND 58602-1999 THE ARMSTRONG CORPORATION PO BOX 1999 Dickinson ND 58602-1999 The Arnegard Stone Home LLC 2536 S University Dr Unit F Fargo ND 58103 The Aurand Company 12240 East Vassar Drive Aurora CO 80014 The Ayco Company Lp PO Box 347139 Pittsburgh PA 15251-4139 The B & F Barter Living Trust Clarence E Barter And Lola Faye Barter Trustees PO Box 8 Muldoon TX 78949-0008 The Bakken Trust Sandra Bakken TTEE PO Box 968 Big Timber MT 59011 CHARLES STANLEYAND COMPANY, MICHAEL KANIA - VICE THE BANK OF NEW YORK MELLON LIMITED PRESIDENT 525 WILLIAM PENN PLACE Pittsburgh PA 15259 THE BANK OF NEW YORK MELLON CORP ACTIONS 525 WILLIAM PENN PLACE SUITE 153-0400 Pittsburgh PA 15259 The Bank Of New York Mellon Corporate Trust Department Po Box 392013 Pittsburgh NJ 15251-9013 The Bank Of New York Mellon Jennifer May 525 William Penn Place Suite 153-0400 Pittsburgh PA 15259 MELLON TRST OF NEW ENGLAND, THE BANK OF NEW YORK MELLON NATIONAL ASSOC. CORP ACTIONS 525 WILLIAM PENN PLACE SUITE 153-0400 Pittsburgh PA 15259 MICHAEL KANIA - VICE THE BANK OF NEW YORK MELLON THE PRUDENTIALINVESTMENT PRESIDENT 525 WILLIAM PENN PLACE Pittsburgh PA 15259 The Bank of New York Mellon Trust Company, N.A. Attn: Jennifer J. Provenzano 505 Ross Street 12th Floor Pittsburgh PA 15262 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. 919 CONGRESS AVENUE SUITE 500 ATTN: MICHAEL J. ULRICH Austin TX 78701 The Bank Of New York Mellon Trust Company, N.A. 919 Congress Avenue, Suite 500 Austin TX 78701 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. Address Redacted The Bank of New York Mellon Trust Company, N.A. Attn: Jennifer J. Provenzano 2 North LaSalle - 7th Floor Chicago IL 60602 THE BANK OF NEW YORK MELLON TRUST CORPORATE TRUST DIVISION - COMPANY, N.A. CORPORATE FINANCE UNIT 101 BARCLAY STREET New York NY 10287 THE BANK OF NEW YORK MELLON TRUST CORPORATE TRUST DIVISION - COMPANY, N.A. CORPORATE FINANCE UNIT 101 BARCLAY STREET New York NY 10307 THE BANK OF NEW YORK MELLON TRUST CORPORATE TRUST DIVISION - COMPANY, N.A. CORPORATE FINANCE UNIT 101 BARCLAY STREET New York NY 10306 Corporate Trust Division-Corporate The Bank of New York Mellon Trust Company, N.A. Finance Unit 101 Barclay Street New York NY 10286 The Bank of New York Mellon Trust Company, N.A., as Indenture Trustee Jennifer J. Provenzano 505 Ross Street 12th Floor Pittsburgh PA 15262 THE BANK OF NEW YORK MELLON/FMSBONDS JENNIFER MAY 16 WALL STREET, 5TH FLOOR New York NY 10005

THE BANK OF NEW YORK MELLON/FMSBONDS, INC. CORP ACTIONS 16 WALL STREET, 5TH FLOOR New York NY 10005 The Bank Of New York Mellon/Mellon T Sean Garrison 525 William Penn Place Suite 153-0400 Pittsburgh PA 15259

THE BANK OF NEW YORK MELLON/MID CAP SPDRS CORP ACTIONS VICE PRESIDENT 525 WILLIAM PENN PLACE Pittsburgh PA 15259 ATTN: GLOBAL MARKETS THE BANK OF 40 KING STREET WEST SCOTIA PLAZA 8TH FLOOR DOCUMENTATION Toronto ON M5H 1H1 Canada

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 581 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 584 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

The Bank Of Nova Scotia Attn: Global Markets Documentation 40 King Street West Soctia Plaza 8th Floor Toronto ON M5H 1H1 Canada THE BANK OF NOVA SCOTIA - HOUSTON Legal Department 711 Louisiana Street Suite 1400 Houston TX 77002 The Bank Of Nova Scotia/Client A Corporate Actions 40 King Street West Scotia Plaza Toronto ON M5h 1h1 Canada The Bank Of Nova Scotia/Client B/CDS Carol Anderson 40 King Street W Toronto ON M5h 1h1 Canada The Bank Of Nova Scotia/Client B/CDS** Carol Anderson 40 King Street W Toronto ON M5h 1h1 Canada The Bank Of Nova Scotia/Client B/CDS** Corporate Actions 40 King St. West 23rd Floor Toronto ON M5h 1h1 Canada

The Bank Of Nova Scotia/Client B/CDS** Corporate Actions 40 King St. West, 23rd Floor Toronto ON M5h 1h1 Canada The Bellerin Trust Address Redacted The Bellerin Trust Lennox Paton-Mr.Arthur Seligman P.O.Box N4875 Nassau Bahamas The Blue Bench PO Box 18951 Denver CO 80218 The Bretzke Family Trust Mildred A Bretzke - Trustee 1948 Leisure World Mesa AZ 85206 The Bretzke Family Trust Mildred A Bretzke - Trustee Address Redacted The Broadmoor Hotel PO Box 1439 Colorado Springs CO 80901 The Bruce O. Ley Roth Ira C/O Equity Trust Co 1 Equity Way Westlake OH 44145 The Buffalo Co 3838 Oak Lawn Ave Ste 300 Dallas TX 75219-4541 The Bureau Of National Affairs PO Box 419889 Boston MA 02241-9889 THE BUREAU OF NATIONAL AFFAIRS, INC. (BLOOMBERG BNA) BLOOMBERG TAX 1801 SOUTH BELL STREET Arlington VA 22202 The Buresh Family LLLP 114 Fairway Ct Bismarck ND 58501-9319 801 Cherry Street, Unit 16, Suite The Burnett Foundation 1585 Fort Worth TX 76102 The Carla Presley Trust Carla Presley, Trustee 1720 Crossing Court Sparks NV 89434 The Cavins Corporation 1800 Bering Drive Suite 825 Houston TX 77057 The Center For Professional Education Inc Education Inc 370 Reed Road Suite 227 Broomall PA 19008

The Central Lutheran Church Of Bellingham Washington 925 N Forest St Bellingham WA 98225 The Chemtron Corporation Address Redacted The Childrens Hospital Foundation 13123 E 16th Ave, B045 Aurora CO 80045 The Christian Broadcasting Network Inc 977 Centerville Turnpike Virginia Beach VA 23465-9989 The Church Of Jesus Christ Of Latter-Day Saints 9372 Crestmore Way Highlands Ranch CO 80126-2723 201 W Colfax Ave, MC 1001, Dept The City and County of Denver - Manager of Finance Treasury / Specialized Audit Support 1009 Denver CO 80202 The City Of Arnegard PO Box 488 Arnegard ND 58835

C/O JONES, SWANSON, HUDDELL & ATTN: CHRISTOPHER W. THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) SWANSON 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: Christopher W. Swanson 601 Poydras St., #2655 New Orleans LA 70130

C/O JONES, SWANSON, HUDDELL & THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) ATTN: EBERHARD D. GARRISON 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: Eberhard D. Garrison 601 Poydras St., #2655 New Orleans LA 70130

C/O JONES, SWANSON, HUDDELL & ATTN: EMMA ELIZABETH ANTIN THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) DASCHBACH 601 POYDRAS ST. New Orleans LA 70130 C/O Jones, Swanson, Huddell & Attn: Emma Elizabeth Antin The City Of New Orleans Garrison, L.L.C. (Et Al.) Daschbach 601 Poydras St., #2655 New Orleans LA 70130

C/O JONES, SWANSON, HUDDELL & THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) ATTN: GLADSTONE N. JONES, III 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: Gladstone N. Jones, Iii 601 Poydras St., #2655 New Orleans LA 70130

C/O JONES, SWANSON, HUDDELL & THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) ATTN: H.S. BARTLETT III 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: H.S. Bartlett Iii 601 Poydras St., #2655 New Orleans LA 70130

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 582 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 585 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

C/O JONES, SWANSON, HUDDELL & THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) ATTN: KEVIN E. HUDDELL 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: Kevin E. Huddell 601 Poydras St., #2655 New Orleans LA 70130

C/O JONES, SWANSON, HUDDELL & THE CITY OF NEW ORLEANS GARRISON, L.L.C. (ET AL.) ATTN: LINDSAY E. REEVES 601 POYDRAS ST. #2655 New Orleans LA 70130 C/O Jones, Swanson, Huddell & The City Of New Orleans Garrison, L.L.C. (Et Al.) Attn: Lindsay E. Reeves 601 Poydras St., #2655 New Orleans LA 70130 The City Of Wildrose PO Box 664 Wildrose ND 58795 The Clare D Oleary-Siemer Living Trust Address Redacted The County of Stephens, Texas County Courthouse 200 West Walker St. Breckenridge TX 76424-3554 The County of Stephens, Texas, collecting property taxes for itself and for Stephens County Hospital District and c/o McCreary, Veselka, Bragg & Breckenridge Independent School District Attn: Tara LeDay Allen, P.C. P.O. Box 1269 Round Rock TX 78680-1269 The County of Wharton, Texas PO Box 189 Wharton TX 77488-0189

The County of Wharton, Texas, collecting property taxes for itself and for El Campo Independent School District, West Wharton County Hospital District, Coastal Bend Groundwater District, Wharton County Emergency c/o McCreary, Veselka, Bragg & Allen, Services District #1, Emergency Services Dis P.C. Attn: Tara LeDay P.O. Box 1269 Round Rock TX 78680-1269 The Craig Barton Companies Inc PO Box 781780 Wichita KS 67278 The Curtis J Jatkauskas Rev Tr Dtd 9/4/08 C/O Curtis J Jatkauskas Ttee Address Redacted The Dale Schmeeckle & Edith M Schmeeckle Trust Cottees Carol Mcendaffer &Michael Schmeeckle Address Redacted The Darlene A Oien Rev Trust Darlene Oien Trustee Address Redacted The Darlene Marentette Davies Living Trust Darlene Marentette Davies - Tr Address Redacted The David Family Oil And Gas Partnership Address Redacted The Dayton Foundation 301 West Holly St Sidney MT 59270 The Dennis Earl Urban Address Redacted The Dennis Earl Urban Revocable Inter-Vivos Trust Dennis Earl Urban - Trustee Address Redacted The Dewoody Living Trust Joseph P Dewoody & Kimberly A Dewoody - Co-Trustees Address Redacted The Dilworth Trust Dennis & Yvonne Dilworth Ttees Address Redacted The Don Evans Group Ltd Address Redacted The Drew Company 1024 Bonnie Brae Ave Casper WY 82601 THE DUBLIN CO PO BOX 783 Williston, ND 58802-0783 THE DUBLIN CO. PO BOX 783 Williston ND 58802-0783 The Dublin Company PO Box 783 Williston ND 58802-0783 THE DUBLIN COMPANY PO BOX 783 Williston ND 58802-0783 The Duncan Family Trust William C Duncan Ii Ttee Ida Jo Duncan Trustee Address Redacted The Earecen Trust Carole J Elliot, Jon E Njos Address Redacted The Eisenmayor Family Trust Address Redacted The Elliott Family Trust James A Elliott Ttee Address Redacted The Energy Council Address Redacted The Esperanza Corporation Address Redacted The Estate Of John Kame Address Redacted The Estate Of Leonard H Ray Address Redacted The Estate Of Marvin Cass Address Redacted The Estate Of O.A. Thorson Address Redacted The Estate Of Pernella Twize Address Redacted The Estate Of Ray B Hebig Address Redacted The Estate Of Ray M Hensen Address Redacted The Fagg Living Trust Larry J Fagg & Beverly A Fagg, Co- Trustees Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 583 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 586 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country The Fairchild Legacy LLC PO Box 270121 Fort Collins CO 80527 THE FAIRCHILD LEGACY LLC PO BOX 270121 Fort Collins CO 80527 The Farley Machine Works Co PO Box 25147 Houston TX 77265

The Fasken Family LP C/O The Northern Trust Company PO Box 226270 Dallas TX 75222-6270 The Fay Family Mineral Trust Mary Ellen Fay & Vicki Kayleen Ostert Co-Trustees Address Redacted The Finnish Independent Cemetery Association 8109 48th St Nw New Town ND 58763-9646 The First Lutheran Church Of Watford City C/O First Intl Bank & Trust Attn Trust Dept 3001 25th St S Fargo ND 58103 The Floor Care Company Ltd 4275 S Navajo Street Englewood CO 80110

The Folkedahl Family Trust Forrest & Andrea P Folkedahl Address Redacted The Foltz Family Trust Dated January 16 2012 Address Redacted The Franklin Fund PO Box 9575 Midland TX 79708 The Fraser Ian Dawson Special Needs Trust C/O Alistair B Dawson Address Redacted The Fruitguys LLC 490 Eccles Ave South San Francisco CA 94080 The Gasket Shop Inc PO Box 1389 Denver City TX 79323 The Gehrke Living Trust Bradley D & Kathy M Gehrke Co- Trustees Address Redacted The George S Maragos Trust Address Redacted The Gigi Trust John T Schalk Co-Trustee Thomas S Schalk Co-Trustee Address Redacted The Grc Mineral Rights Ltd PO Box 97 Fort Walton Beach FL 32549 The Guetzlaff Family Trust Ruth E Guetzlaff And Frederick G Guetzlaff - Trustees Address Redacted The H Malvern Marks Foundation PO Box 1498 Granbury TX 76048 The H&S Drilling Company PO Box 701620 Tulsa OK 74170 The Halvorson Trust Ua Dtd 4-1-05 - Duane & Elaine Co- Trustees Address Redacted The Hamill Foundation 1160 Dairy Ashford Suite 250 Houston TX 77079-3014 The Hardy Mineral Trust Rita Hardy - Trustee 1173 Mt Highway 528 Wolf Point MT 59201 The Hart Revocable Trust James W Mays Trustee 13101 Preston Road Suite 400 Dallas TX 75240 The Hartford PO Box 783690 Philadelphia PA 19178-3690 The Hatch Group LLC PO Box 171139 Salt Lake City UT 84117 The Hearing Place 3100 Remington St Fort Collins CO 80525 The Hefner Company Inc PO Box 2177 Oklahoma City OK 73101-2177 The Heirs Of B A Skipper C/O Sam Skipper Samurai Corp Address Redacted The Heirs Of Eddie Mae Mosley Carol Cappadonna, Trustee Address Redacted The Herberger Foundation 10881 N Scottsdale Rd Ste 200 Scottsdale AZ 85254 The Home Stake Royalty Corporation Use #113626 2745 Dallas Parkway Suite 220 Plano TX 75093 The Huntington National Bank Corporate Actions David Gunning 5555 Cleveland Ave. Gw4e62 Columbus OH 43231 The Huntington National Bank David Gunning 5555 Cleveland Ave. Gw4e62 Columbus OH 43231 The Huntington National Bank Paula Fletcher 7 Easton Oval Columbus OH 43219 The Hydrotesters LLC Attn: Juan Ruiz Po Box 325 Bowman ND 58623 The Ima Financial Group, Inc. 1705 17th Street Suite 100 Denver CO 80202 The Jacobson Family Living Tr Address Redacted The James E Nicola Trust No 1 Dated November 15 1975 Amended Address Redacted The James M Kramer Trust Sandra L Kramer Trustee Address Redacted

The James R Kessler Trust 1St Nat Bk Of Fort Smith Trs Address Redacted The Jeanette H Clack Trust Address Redacted The Jensen Family Trust Nadine R Hawley Address Redacted

The Jerry M Grev Trust A Trust Agreement Dated 11-8-98 Address Redacted The John & Barbara Metz Family Mineral Trust Dtd 3-22- 12 David Metz & Shirleen Bleth Co-Trustees Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 584 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 587 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country The John Trust John T Schalk Co-Trustee Thomas Schalk Co-Trustee Address Redacted The Josie Sweet Trust Address Redacted The Joy Partners Ltd PO Box 576 Ardmore OK 73402 THE JOY PARTNERS LTD PO BOX 576 Ardmore OK 73402 The Junior League Of Denver 1140 Delaware St Denver CO 80204 The Karyn P Zimmerman Revocable Trust Dtd 3-5-15 Address Redacted

The Kilroy Company C/O Travis Property Management PO Box 56429 Houston TX 77256-6429 The Kim Abraham Family Trust C/O Diane Pennington Trustee Address Redacted The L&S Eide LLP 131 Mountain Park Drive Salt Spring Island BC V8K 1G3 Canada The Larry And Lanell Olson Rev Tr C/O Larry Olson And Lanell Olson Co-Trustees Address Redacted The Legal Aid Foundation Of Colorado 1120 N Lincoln St Ste 701 Denver CO 80203-2137 The Leukemia And Lymphoma Society Donor Services Po Box 98018 Washington DC 20090-8018 The Linda Soderlind Trust Linda M Soderlind - Trustee Address Redacted THE LOUISIANA LAND AND EXPLORATION C/O CORPORATION SERVICE COMPANY, LLC COMPANY 320 SOMERULOS ST. Baton Rouge LA 70802 The Louvin Foundation PO Box 2297 Billings MT 59103 The Ludington Family Revocable Trust - Ralph N Ludington & Lynette G Ludington - Trustees Address Redacted The Lundeen Revocable Trust First Western Bank & Trust - Trustee Address Redacted The Margaret M Glanville Revocable Trust - Paul R Glanville - Succ Trustee Address Redacted The Marilyn Maxwell Trst #1-A C/O Jpmorgan Chase Bank PO Box 99084 Fort Worth TX 76199-0084 The Marston Trust Thaleia L Marston Trustee Address Redacted The Martian Group LLC PO Box 818 Mills WY 82644 The Martin Trust Sally Ann Carter Trustee Address Redacted The Mathworks Inc PO Box 21301 New York NY 10087-1301 The Mccartney Family Mineral Trust - Gary D & Helen B Mccartney - Co-Trustees Address Redacted THE MEHL TRUST Address Redacted The Mehl Trust Wayne & Helen M Mehl Trustees 19201 Sonoma Hwy.P.M.B. 363 Sonoma CA 95476-5413 The Michael G Oleary Trust Dated November 1, 2014 Address Redacted The Michael J & Cynthia Mayman Family Trust - Michael & Cynthia Mayman - Co-Trustees Address Redacted The Michael P Figour & Lowe R Figour Revocable Trust C/O Michael P Figour Address Redacted The Michael W O Shaughnessy Tr Address Redacted The Millennium Corp PO Box 2353 Williston ND 58802-2353 The Mineral Resources Company 100 N Broadway Box B11 Oklahoma City OK 73102 The Miriam Mayer Sternberg Tr Bank Of America Co- Trustee R Mayer & B Sternberg Co-Ttees Address Redacted The Mitchell Special Trust Gary Witherspoon, Trustee Address Redacted The Moe Family Mineral Trust Orrin L & Joyce I Moe Trustees Address Redacted The Monson Family Trust Mitchell Monson, Ttee Address Redacted THE MONSON FAMILY TRUST, MITCHELL MONSON, TTEE Address Redacted The Morgan Adams Foundation 5303 E Evans Ave Ste 200 Denver CO 80222-5229 The New York Blower Company Dept 20-1004 Po Box 5940 Carol Stream IL 60197-5940 The Ninety-Six Corporation 500 W Texas, Ste 655 Midland TX 79701 The Noelle Sisters Partnership C/O Mary Uggen 1 East Scott Apt 704 Chicago IL 60610 The Norma Sue Lundstrom Trust James D Renbarger Trustee Address Redacted The Northern Trust Company Andrew Lussen Attn: Capital Structures-C1n 801 S Canal Street Chicago IL 60607 The Northern Trust Company Attn: Corporate Actions Ryan Chislett 801 S Canal Street Chicago IL 60607 ATTN: CAPITAL THE NORTHERN TRUST COMPANY RYAN CHISLETT TEAM LEADER 801 S CANAL STREET STRUCTURES-C1N Chicago IL 60607 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 585 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 588 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country The Nra Foundation 11250 Waples Mill Rd Fairfax VA 22030 The Oakason Jr Co Lc C/O Us Trust Po Box 840738 Dallas TX 75284-0738 The Ogle Corporation PO Box 992 Casper WY 82602-0992 The Oren Properties Address Redacted The Paint And Safety Store Inc 201 S Benton Big Spring TX 79720 400 Poydras Tower, 400 Poydras The Parish Of Cameron C/O Kelly Elizabeth Ransom St #1812 New Orleans LA 70130 400 POYDRAS TOWER, 400 THE PARISH OF CAMERON C/O KELLY ELIZABETH RANSOM POYDRAS ST #1812 PO BOX 1000 New Orleans LA 70130 400 Poydras Tower, 400 Poydras The Parish Of Cameron C/O Kelly Hart Pitre St #1812 New Orleans LA 70130 400 Poydras Tower, 400 Poydras The Parish Of Cameron C/O Loulan Joseph Pitre, Jr. St #1812 New Orleans LA 70130 400 Poydras Tower, 400 Poydras The Parish Of Cameron C/O Rachel Marie Scarafia St #1812 New Orleans LA 70130 The Periot Real Property Trust Address Redacted The Peter M Young & Tachina Rudman-Young Revocable Trust Address Redacted The Petram Group LLC 999 18th St Ste 16505 Denver CO 80202 The Pfanenstiel Company LLC PO Box 12928 Oklahoma City OK 73157 THE PFANENSTIEL COMPANY LLC PO BOX 12928 Oklahoma City OK 73157 The Pink Butterfly Press 15695 E Kettle Place Englewood CO 80112 The Post Revocable Trust Murray D & Tonya L Post - Trustees Address Redacted The Professional Petroleum Data Management Association Bankers Hall Po Box 22155 Calgary AB T2P 4J5 Canada The Prospect Company Farmers National Co - Agent PO Box 3480 Omaha NE 68103-0480

The Putnam Family Trust Jack E & Dixie B Putnam Ttees Address Redacted The Ragland Living Trust Alphonso Ragland, Trustee Address Redacted The Response Group 13939 Telge Rd Cypress TX 77429 The Robert Mayer Jr Trust Bank Of America Co-Trustee R Mayer & B Sternberg Co-Ttees Address Redacted The Rock Community Church 12472 W Belleview Ave Littleton CO 80127 The Rocky Mountain Dist Of The Christian And Missionary Alliance Church PO Box 541 Wildrose ND 58795 THE ROLLAND W HOOPS AND CHARLOTTE M HOOPS TRUST, C/O RICHARD G HOOPS 7006 JOHNSON CIRCLE Mowpt CO 80503 The Roman Catholic Bishop Of Great Falls, Montana PO Box 1399 Great Falls MT 59403

The Rose Lawlar Minerals Trust Scott Vance - Trustee Address Redacted The Roundup PO Box 1207 Sidney MT 59270 The Rrh Trust 3410 Enfield Rd Unit A Austin TX 78703 The Rudman Partnership 4851 Lbj Freeway Ste 210 Dallas TX 75244 THE RUDMAN PARTNERSHIP 4851 LBJ FREEWAY STE 210 Dallas TX 75244 The Salvation Army PO Box 1959 Atlanta GA 30301 The Salvation Army PO Box 7187 Saint Paul MN 55107-0187 The Sater Family Partnership Address Redacted The Sharron Ann Sibley Trust Sharron Ann Sibley - Trustee Address Redacted The Shuttlesworth Corp PO Box 108 21950 Hwy 135 Troup TX 75789 The Smith Trust Robert Harvey Smith Trustee Address Redacted The State Bar Of South Dakota 111 W Capitol Ave Ste 1 Pierre SD 57501-2514 The Stefan Group LLC Jon S Brown Member PO Box 2858 Palestine TX 75802 The Stenseth Living Trust Address Redacted The Stephen J Kessler Trust Trust Co Of Ok Agent Address Redacted The Subsurface Library Box 2538 Midland TX 79702-2538 The Susan Trust Susan Schalk Co-Trustee Thomas S Schalk Co-Trustee Address Redacted The Taurus Corp PO Box 1460 Casper WY 82602 The Tears Foundation 11102 Sunrise Blvd E Ste 112 Puyallup WA 98374 THE PRENTICE-HALL THE TEXAS COMPANY CORPORATION SYSTEM, INC 320 SOMERULOS ST. Baton Rouge LA 70802 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 586 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 589 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country The Three Forks Group LLC 2025 Pryor Ln Billings MT 59102 The Timothy J Brogan And Kathleen Rose Brogan Joint Revocable Living Trust Address Redacted The Travelers Indemity Company and its property, casualty insurance affiliates Joanne M Jones - Account Resolution One Tower Square 0000-FP15 Hartford CT 06183 The Travelers Indemnity Company 13607 Collections Center Dr Chicago IL 60693 The Travelers Indemnity Company and Its Property Attn: Joanne Jones - Account Casualty Insurance Affiliates c/o The Travelers Indemnity Company Resolution One Tower Square 0000-FP15 Hartford CT 06183 THE TRIPLE T FIRST WESTERN BANK & TRUST 825 26TH AVE E West Fargo ND 58078

THE TRIPLE T INC FIRST WESTERN BANK & TRUST 825 26TH AVE E West Fargo ND 58078 THE TRIPLE T INC FIRST WESTERN BANK & TRUST 825 26TH AVE E West Fargo ND 58078 The Triple T Inc First Western Bank & Trust 825 26th Ave E West Fargo ND 58078

THE TRIPLE T INC FIRST WESTERN BANK & TRUST 825 26TH AVE E West Fargo ND 58078 The Trust Fbo Tessah S Hagen, Julian M Hagen, & Tiffany M Hunt - Mary L Hagen - Tr Address Redacted The Unclaimed Property Division of the Texas c/o Office of the Attorney General of Attn: Jason B. Binford & Abigail Comptroller of Public Accounts Texas Ryan PO Box 12548- MC 008 Austin TX 78711-2548 The University Club 1673 Sherman Street Denver CO 80203 The University Of Texas System Board Of Regents PO Box 511 Midland TX 79702 The Urban Living Trust Address Redacted The Urban Living Trust Robert E And Marian B Urban Address Redacted The Vander Houwen Revocable Living Trust Dtd 8/18/2009 Boyd & Loma Vander Houwen Ttes Address Redacted 100 Vanguard Blvd Malvern PA 19355 The Vogel Family Trust Address Redacted The Vogt Family Trust Address Redacted The Wall Street Journal 200 Burnett Rd Chicopee MA 01020 The Wellboss Company LLC 12450 Cutten Rd Houston TX 77066 The White Wing Mineral Trust PO Box 294466 Kerrville TX 78029 The Williamson Living Trust Gary A Williamson & Gale L Williamson Co/Trtees Address Redacted The Wooster School Ridgeway Road Danbury CT 6810 The Workwear Store 5721 Mcwhinney Blvd Loveland CO 80538 Theda Wallace Address Redacted Theige, Brian Address Redacted Thelma Ann Ross Address Redacted Thelma B Lund Address Redacted Thelma Bauer Address Redacted Thelma C White Estate Gary And Tania Uram Co-Prs Address Redacted Thelma Dick Address Redacted Thelma Eileen Reeves Address Redacted Thelma Elwick Address Redacted Thelma Grace Thomas Address Redacted Thelma Hagen Address Redacted Thelma M Bauer Ttee Thelma M Bauer Revocable Trust Dtd 8/30/13 Address Redacted Thelma R Seber Address Redacted Thelma S Johnson Address Redacted Thelma Tavelli C/O Lennon L Barstad Address Redacted Theodora Brumage Address Redacted Theodora Jane Hosfeldt C/O Hosfeldt Family Partners Address Redacted Theodore A Reis Address Redacted Theodore Brown Address Redacted Theodore Burkle Address Redacted Theodore Clinton Johnston Address Redacted Theodore D Frank Charles Frank Poa Address Redacted Theodore D Paschke Address Redacted

Theodore D Paschke & Yueh-Chu Chen - Joint Tenants Address Redacted Theodore Dobrovolny Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 587 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 590 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Theodore F Wick Address Redacted Theodore J Evoniuk Ii Address Redacted Theodore J Sette Address Redacted Theodore J Settle Manager, Settle Family LLC 741 Snowy Plain Road Fort Collins CO 80525 Theodore J Weltzin Trust Address Redacted Theodore L Bezzerides Address Redacted Theodore M Wanner Address Redacted Theodore Moen Address Redacted Theodore Roosevelt Medora Foundation PO Box 198 Medora ND 58645-0198 Theodore S Krivoruchka Address Redacted Theodore V Binstock Address Redacted Theodore W Macdowell Address Redacted There With Care Address Redacted Theresa A Lee Address Redacted Theresa A Muller Address Redacted Theresa Andrews Trust Theresa Andrews Trustee Address Redacted Theresa Ann Mathis Address Redacted Theresa B Stutz Address Redacted Theresa Bjella Life Estate C/O Robert A. Young Address Redacted Theresa Bolkan Address Redacted Theresa E Sanders Address Redacted Theresa Emma Houle Address Redacted Theresa Iversen Address Redacted Theresa K Arneson Address Redacted Theresa K Wead Life Estate Address Redacted Theresa Karhan & Carl Ness Co- Ttees Ness Family Mineral Tr Address Redacted Theresa Kuntz Romo Address Redacted Theresa Louise Glasser Address Redacted Theresa M Moyer Address Redacted Theresa M Peplinski Address Redacted Theresa Moltzan Address Redacted Theresa Nichols Schuster Address Redacted Theresa R Fewless Address Redacted Theresa Ressler Address Redacted Theresa Rogers Address Redacted Theresa Torgerson Address Redacted Theresa Vanderstaay Address Redacted Therese A George Address Redacted Therese Dolechek Address Redacted Therese Herden Address Redacted Therese May Jewett Address Redacted Theron Barker Address Redacted Theta Oilfield Services PO Box 731948 Dallas TX 75373 Thiessen Family Mineral Trust James E. Thiessen Co Trs Anita Sue Toavs Co-Trs Address Redacted Thilda Larson Address Redacted Av. Circunvalacion Golf Los Incas Think Ahead International Ltd c/o Maria Adelaida Llano Saldarriaga 404 Dpto G-301 Surco Lima 13 Peru MORGAN STANLEY / ANDRES THINK AHEAD INTERNATIONAL LTD ECHEVERRI 220 ALHAMBRA CIRCLE FLOOR 10 Coral Gables FL 33134 Think Audio Video LLC 13610 West 107th St Lenexa KS 66215 Third Coast Commercial Capital Inc For Halo Compressor Solutions Dept 110, Po Box 14910 Humble TX 77347-4910 THISTLE, INC. 21 INVERNESS WAY EAST Englewood CO 80112 THISTLE, INC. 5211 SOUTH QUEBEC STREET Greenwood Village CO 80111 Thomas & Bonita Lenihan Jt Address Redacted Thomas & Donna Haustveit Family Trust Dtd 1-8-18 Address Redacted Thomas & Elizabeth Richardson Address Redacted Thomas & Karin Hayter Address Redacted Thomas & Marilyn Harris Rev Tr Thomas M Harris Trustee Address Redacted Thomas A Ashby Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 588 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 591 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Thomas A Baldwin Address Redacted Thomas A Curren Address Redacted Thomas A Landes Address Redacted Thomas A Lien Address Redacted Thomas A Linder Address Redacted Thomas A Lukenbill Address Redacted Thomas A Moe Address Redacted Thomas A Myers Address Redacted Thomas A Olson Address Redacted Thomas A Ortloff Address Redacted Thomas A Petrie Address Redacted Thomas A Schaff Address Redacted Thomas A Thigpen Address Redacted Thomas A Williams Address Redacted Thomas Aftem C/O Carla Aftem Poa Address Redacted Thomas Alan Gray Address Redacted Thomas Allen Benson Address Redacted Thomas And Heather Buckley Living Trust Thomas Buckley Trustee Address Redacted Thomas B Dawson Address Redacted Thomas B House Address Redacted Thomas B House Ii Address Redacted Thomas B Huck Address Redacted Thomas B Redmond & Eugenia Redmond, Co-Trtees Of Thomas & Eugenia Redmond Fmly Address Redacted Thomas B Smith Address Redacted Thomas B Smith & Rebecca A Smith JT Ten Address Redacted Thomas Baranko & Darla A Baranko Address Redacted Thomas Beebe Address Redacted Thomas Blakeway Jr Estate Address Redacted Thomas Boucher Deceased Address Redacted Thomas C & Mary Ann Miller Address Redacted Thomas C Arnson Address Redacted Thomas C Elstad Address Redacted Thomas C Hansen Ii Tr Ua Helen Hansen Cst Thomas C Hansen Ii Trustee Address Redacted Thomas C Rolfstad Sr Address Redacted Thomas C Siirola Address Redacted Thomas C Treney Address Redacted Thomas C Tupa Address Redacted Thomas C Wollan Address Redacted Thomas C. Lovell/Andrea Lovell JTWROS Address Redacted Thomas Callon Harrison Address Redacted Thomas Clayton Johnston Address Redacted Thomas Colby Rolfstad Address Redacted Thomas D Allen Address Redacted Thomas D Chambers Address Redacted Thomas D Dye Beth A Dye Address Redacted Thomas D Hunt Address Redacted Thomas D Labrant Address Redacted Thomas D Moore Address Redacted Thomas D Nelson Life Estate Address Redacted Thomas D Sauber Address Redacted Thomas D Selby Address Redacted Thomas Dale Hug Jr Address Redacted Thomas David Elliott Address Redacted Thomas Dawkins Address Redacted Thomas Dickson Address Redacted Thomas E Boulton Address Redacted Thomas E Bradley Address Redacted Thomas E Erickson C/O Bobbie Keller Address Redacted Thomas E Mcchesney Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 589 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 592 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Thomas E Shows & Edna M Shows (Jt) Address Redacted Thomas E Sipe Address Redacted Thomas E Smith Address Redacted Thomas E Ukestad Address Redacted Thomas E Wilder Address Redacted Thomas Edward And Sheryl R Sullivan Life Estate Address Redacted Thomas F Binek & Donna M Binek Lvg Tr Dtd January 28, 2004, Thomas F & Donna M Binek, Trustees Address Redacted Thomas F Kelsch & Thomas D Kelsch Co-Ttees Kelsch Mineral Tr Dtd 6/17/92 Address Redacted Thomas F Mcgee Address Redacted Thomas F Stoppleworth Address Redacted Thomas F Wieland Ii Address Redacted Thomas F. Miller Address Redacted Thomas Family Ltd Partnership Address Redacted Thomas Flannery Address Redacted Thomas Freed Address Redacted Thomas G Baxter Address Redacted Thomas G Dorough Jr Address Redacted Thomas G Dorough Trust Partnership Address Redacted Thomas G Erickson Address Redacted Thomas G Scannell Address Redacted Thomas G Sluiter Address Redacted THOMAS G TROSTEL Address Redacted Thomas G Waade Address Redacted Thomas G Wells Address Redacted Thomas Graham Address Redacted Thomas H Anderson & Rebecca J Anderson J/T Address Redacted Thomas H Fauchald Address Redacted Thomas H Fleeger Rev Min Trust Thomas H Fleeger Trustee Address Redacted Thomas H Gibbons Address Redacted Thomas H Gose Address Redacted Thomas H Lindvig Address Redacted Thomas H Mercier Address Redacted Thomas H Skinner Address Redacted Thomas Haley Ervin Jr Address Redacted Thomas Hanger Address Redacted Thomas Haustveit & Donna Haustveit J/T Address Redacted Thomas Hedge Address Redacted Thomas Hugelen Address Redacted Thomas Hutzenbiler & Marla Hutzenbiler Address Redacted Thomas I & Sandra L Zaske Address Redacted Thomas J & Ronna J Henderson Jtwrs Address Redacted Thomas J And Cheryl L Kirby Joint Tenants Address Redacted Thomas J Boland Address Redacted Thomas J Chase Address Redacted Thomas J Coughlin & Jennifer L Coughlin J/T Address Redacted Thomas J Ditton Address Redacted Thomas J Dolyniuk Address Redacted Thomas J Flood Address Redacted Thomas J Irgens Address Redacted Thomas J Lavik Address Redacted Thomas J Osterberg & Jane H Osterberg Life Estate Address Redacted Thomas J Reis Address Redacted Thomas J Snyder Address Redacted Thomas J Van Osdel Address Redacted Thomas J Weber No 41489 Address Redacted Thomas James Bird And Barbara Carmody Trustees Bird/Carmody Revoc Living Trust U/A 3/22/11 Address Redacted Thomas K Armstrong Testamentary Trust Thomas K Armstrong Jr -Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 590 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 593 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Thomas K Brevik & Cindy R Brevik, Jts Address Redacted Thomas K Hohn Trust Address Redacted Thomas K Thornton Address Redacted Thomas Kenneth Nordby C/O Schelley Dyess Address Redacted Thomas Kent Everingim Kevin Extreme Aif Address Redacted Thomas Kessler Address Redacted THOMAS KNIGHT BULLIARD Address Redacted Thomas Kotilnek Address Redacted Thomas L & Patsy S Garner Rev Trust Uta Dtd 05/21/05 Tommy L Garner Trustee Address Redacted Thomas L Aller Address Redacted Thomas L Bailey Address Redacted Thomas L Beebe Address Redacted Thomas L Caps Address Redacted Thomas L Chamberlin Address Redacted Thomas L Digrappa Address Redacted Thomas L Dwyer Address Redacted Thomas L Erickson Address Redacted Thomas L Kelly Jr Address Redacted Thomas L Mccray Address Redacted Thomas L Mcmahon Trust First Financial Trust & Asset Management Company Na Address Redacted Thomas L Miller Address Redacted Thomas L Miller, Daniel Miller Jerry Miller, Judith A Ronning Timothy N Miller Joint Tenants Address Redacted Thomas L Sparks Address Redacted Thomas L Sutton Address Redacted Thomas L. Aller Address Redacted Thomas Lamond Henshaw And Dorothy Lu Henshaw, As Ttees Of Address Redacted Thomas Last + Susan Brown-Last Address Redacted Thomas Lawlar Address Redacted Thomas Lee Glaeser Address Redacted THOMAS LENIHAN & BONITA LENIHAN, J/T Address Redacted Thomas Loken Address Redacted Thomas M Gunderson Address Redacted Thomas M Higham Address Redacted Thomas M Kilzer Address Redacted Thomas M Molm Address Redacted Thomas M Olsen Address Redacted Thomas M Swain Address Redacted Thomas M. Meisch Address Redacted Thomas Matthew Wilson Address Redacted Thomas Mccloud Address Redacted Thomas Michael Mann Address Redacted Thomas N Berry & Company Address Redacted THOMAS N BERRY & COMPANY PO BOX 1958 Stillwater OK 74076 Thomas N Mcknight Jr Address Redacted Thomas Needham Address Redacted Thomas P & Karen M Whitlock Address Redacted Thomas P & Patricia Wlodarczyk Address Redacted Thomas P Blakeway Jr Address Redacted Thomas P Griffin Address Redacted Thomas P Hendricks Address Redacted Thomas P Miller Address Redacted Thomas Patrick Wall Iii Address Redacted Thomas Patten Address Redacted Thomas Peter & Marjorie Staha Address Redacted Thomas Peter Staha Address Redacted Thomas R Dudley Address Redacted Thomas R Fogarty Address Redacted Thomas R Halvorson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 591 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 594 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Thomas R Harris Address Redacted Thomas R Ives Address Redacted

Thomas R Mertens Agent For Rjm Land Company LLC Address Redacted Thomas R Reed Address Redacted Thomas R Willey Address Redacted Thomas Robert Corliss Jr Address Redacted Thomas Robert Crouch Address Redacted Thomas Robert Rowe Address Redacted Thomas Romo Address Redacted Thomas Rumreich Address Redacted Thomas S Kalberer Address Redacted Thomas S Mcclellan Address Redacted Thomas Scott Hudson Address Redacted Thomas Scott Hudson & Dianne V Hudson J/T Address Redacted Thomas Shaw Address Redacted Thomas Simard Address Redacted Thomas Sittinger Address Redacted Thomas Stephens & Sandra E Stephens Address Redacted Thomas T Holley Iii Address Redacted Thomas T Ritter Address Redacted Thomas T Ritter & Carol L Ritter - Joint Tenants Address Redacted Thomas Tandy Young Address Redacted Thomas Thole & Marcia Thole Address Redacted Thomas Tinney Address Redacted Thomas Tools Inc Address Redacted Thomas Torgerson Address Redacted Thomas Turner Address Redacted Thomas W Anderson Address Redacted Thomas W Fletcher Address Redacted Thomas W Freeman & Grace C Freeman, H/W, J/T Address Redacted Thomas W Hackley Address Redacted Thomas W Halbkat Address Redacted Thomas W Hill Address Redacted Thomas W Hughes Address Redacted Thomas W Kennedy Address Redacted Thomas W Ryan Jr Address Redacted Thomas W Yadon And Darcie K Yadon Jtwros Address Redacted Thomas Weikart Address Redacted Thomas Weyrauch Address Redacted Thomas William Hanger Estate Address Redacted Thomas Woodall Bowden Address Redacted Thomas Woodmansee Address Redacted Thomas, Justin Address Redacted Thomas, Marc Address Redacted Thompson Development LLP PO Box 4288 Sparks NV 89432 Thompson Irrevocable Trust Dtd 1-16-17 Gene And Cathryn Thompson Ttes Address Redacted THOMPSON 2395 MIDWAY ROAD 2395 MIDWAY ROAD Carrollton TX 75006 Thompson, Cameron Address Redacted Thompson, Gabriel Address Redacted Thomsen-Freed 1990 Living Trst Janet Teresa Freed & Gary Dean Thomsen, Trustees Address Redacted (Tax & Accounting) Inc Po Box 6016 Carol Stream IL 60197-6016 ATTN: CS&S CONTRACT THOMSON REUTERS (TAX & ACCOUNTING), INC. ADMINISTRATION 2395 MIDWAY ROAD BLDG. 1, M/S 175 Carrollton TX 75006-9769 Thor Unlimited LLC PO Box 6307 Williston ND 58802 Thorne T Wilmeth Address Redacted Thornton Davis II Minerals Tr Address Redacted Thornton Rud Estate Address Redacted Thornton, Randy Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 592 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 595 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Thorsrud Decedents Trust Audrey K Thorsrud - Trustee Address Redacted Thorsrud Revocable Living Tr Dtd 10-17-19 - Mark A & Shanna Thorsrud - Trustees Address Redacted Thorsrud Revocable Living Tr Dtd 7-6-16 - Eric M & Mary Catherine Thorsrud - Trustees Address Redacted Thorsrud Survivors Trust Audrey K Thorsrud - Trustee Address Redacted

THOUGHTTRACE, INC. 33126 MAGNOLIA CIRCLE, SUITE B Magnolia TX 77354 Threadmasters Precision Machining Llc 5766 South Ivy St Greenwood Village CO 80111 Three Affiliated Tribes/Mha Nation Tax Department PO Box 1969 New Town ND 58763 Three Crown Petroleum LLC PO Box 774327 Steamboat Springs CO 80477 Three Forks Development LLC C/O Magic City Financial Group 601 18th Ave Se #2 Minot ND 58701 Three Forks Ventures LLC 691 6Th Ave Sw Dickinson ND 58601 Three G Oil & Gas LP C/O John Richard Gowan Jr PO Box 600050 Dallas TX 75360-0050 Three Horns Energy LLC PO Box 2492 Bismarck ND 58502 Three M Oil Company 8350 North Central Expressway Ste G100 Dallas TX 75206 Thrifty White Pharmacy PO Box 41910 Plymouth MN 55441-0910 Thrive-Transformation At Work 400 W South Boulder Rd Ste 1700 Lafayette CO 80026-8856 Throne Law Office PC PO Box 6590 Sheridan WY 82801 THRONE LAW OFFICE PC PO BOX 6590 Sheridan WY 82801 Thru Line O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Thru Tubing Solutions Inc PO Box 203379 Dallas TX 75320

Thru Tubing Solutions, Inc. c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Thunder Exploration Inc PO Box 541674 Houston TX 77254-1674 Thunder Exploration Inc. Walter S. Light PO Box 541674 Houston TX 77254 Thunder Mesa LLC 1672 Ridge Trail Lane Castle Rock CO 80104 Thunderbird Resources Lp 6300 Oak Tree Cir Edmond OK 73025-2510 Thurber Swan Estate Address Redacted Thurlow Williams Associates 685 1/2 26 Road Grand Junction CO 81506 Thyra M Sims Address Redacted Tia M Sheaffer Address Redacted Tia Reese Young Address Redacted TIAA FSB Custodian FBO Elson Strahan IRA Address Redacted TIAA FSB Custodian FBO Elson Strahan IRA Attn: TIAA Brokerage P.O. Box 1280 Charlotte NC 28201-1280 Tibco Software Inc Lockbox No 7514 Po Box 7247 Philadelphia PA 19170-7514 TIBCO SOFTWARE, INC. 3303 HILLVIEW AVENUE Palo Alto CA 94304-1213 Tiegen Resources LLC 32156 Vintage Way Afton OK 74331 Tierra Oil Company, LLC PO Box 700968 San Antonio TX 78270-0968 Tiffany Hudson Address Redacted Tiffany M Hunt Address Redacted Tiffany S Olson Address Redacted Tiffany S Rice Address Redacted Tiffany Schrader Address Redacted Tiga 201 W Vermilion St Ste 100 Lafayette LA 70501 Tiger Industries Inc PO Box 41304 Houston TX 77241-1304 Tiger Well Service LLP PO Box 1096 Watford City ND 58854 Tilford And Shelby Bjerke Address Redacted Tilford Bjerke Address Redacted Tillie Johnson Address Redacted Tim & Peggy Keating Jtwrs Address Redacted TIM BRUUN Address Redacted Tim D Hall Address Redacted Tim Dater Address Redacted Tim Dore Address Redacted Tim Dwyer Family Mineral Trust Dtd 7/23/97 Barbara Rice And John Dwyer Co-Trustees Address Redacted Tim Hunt Address Redacted Tim J Keating & Peggy E Keating J/T Address Redacted Tim Kinamon Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 593 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 596 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tim L Mendro Address Redacted Tim Martin Address Redacted Tim Mathistad Address Redacted Tim P Warner Address Redacted Tim Pladson Address Redacted Tim Roen Address Redacted Tim Tower Address Redacted Tim W Olson Construction Inc 12525 Hwy 20 Po Box 513 Buffalo SD 57720 Tim Zacher Address Redacted Timber Creek Valley LLC PO Box 997 Williston ND 58802 Timberlane Pumps LLC 1092 E Main St Vernal UT 84078 Timberline Church 2908 S Timberline Rd Ft Collins CO 80525 TIMBRO RANCH & CATTLE CO LLC PO BOX 368 Littleton CO 80120 Ronald Timmerman, Agent And Timbro Ranch & Cattle Co LLC Attorney-In-Fact PO Box 368 5566 S Sycamore St Littleton CO 80120 TIMBRO RANCH & CATTLE CO LLC P.O. BOX 368 Littleton CO 80120 TIMBRO RANCH & CATTLE CO LLC PO BOX 368 Littleton CO 80120 Timbro Ranch & Cattle Co LLC Ronald Timmerman, Agent And Attorney-In-Fact PO Box 368 5566 S Sycamore St Littleton CO 80120 TIMBRO RANCH & CATTLE COMPANY PO BOX 368 Littleton CO 80120 Timm N Thorsen Address Redacted Timmerman Family Partnership Farmers National Company Agent PO Box 3480 Omaha NE 68103-0480 Timon Allen Atmar Address Redacted Timon Athey Address Redacted Timothy & Arliss Moe Rev Tr Arliss Moe Ttee Address Redacted Timothy & Jean Homiston Jt Address Redacted Timothy & Stacey Frase J/T C/O Phil Lonnberg Address Redacted Timothy A Lewis Address Redacted Timothy A Sorensen Address Redacted Timothy A Tattu Address Redacted Timothy Alan Ward Address Redacted Timothy And Amy Chapman Jt Address Redacted Timothy Barger Address Redacted Timothy Bartram Address Redacted Timothy C Davis Address Redacted Timothy C Gearhart Address Redacted Timothy C Homiston Address Redacted Timothy C Ortloff Address Redacted Timothy Cayko Address Redacted Timothy Courser Address Redacted Timothy D Mccune Address Redacted Timothy Degerness Address Redacted Timothy Dwyer Address Redacted Timothy E Knutson Address Redacted Timothy E Macke Address Redacted Timothy E Slorby Dba Dakota Land Services Inc PO Box 733 Minot ND 58702 Timothy Edmund Thompson Address Redacted Timothy F Swain Address Redacted Timothy G Bingen Address Redacted Timothy Govers, Govers Family Living Trust Address Redacted Timothy H Siira Address Redacted Timothy Houchen Address Redacted Timothy House Address Redacted Timothy I Schwindt Address Redacted Timothy J Brown Address Redacted Timothy J Denowh Address Redacted Timothy J Ebert & Beverly G Ebert Address Redacted Timothy J Karsky Address Redacted Timothy J Muggli Address Redacted Timothy J Nameniuk & Mary Beth Address Redacted Timothy J Pivonka Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 594 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 597 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Timothy J Pulliam Family Legacy Trust Dtd 12-14-17 Timothy J Pulliam - Trustee Address Redacted Timothy J Ritter Address Redacted Timothy J Sebesta Address Redacted Timothy J Sweeney Address Redacted Timothy Jaramillo Address Redacted Timothy John Moultrup Address Redacted Timothy Jon Dillavou Address Redacted Timothy K Prill Address Redacted Timothy Kadrmas Address Redacted Timothy Kovar Address Redacted Timothy L Jacobson Address Redacted Timothy L Lerum Address Redacted Timothy L Smith Address Redacted Timothy L Solberg Address Redacted Timothy Langwald Address Redacted Timothy Lovseth Address Redacted Timothy M Blackham Address Redacted Timothy M Innis Address Redacted Timothy M Jones Address Redacted Timothy M Mcdougal Address Redacted Timothy M Stevens Address Redacted TIMOTHY M. SULSER Address Redacted Timothy Mcgee Address Redacted Timothy Mouton Address Redacted Timothy N Miller Address Redacted Timothy Oneill C/O James A Oneill Md Address Redacted Timothy P Coughlin Address Redacted Timothy P Lovseth Address Redacted Timothy P Martinson Address Redacted Timothy P Mcilwain Address Redacted Timothy P Taylor Address Redacted Timothy Pankowski Address Redacted Timothy Philip Albert Curtis Address Redacted Timothy R Corliss Address Redacted Timothy R Hintz Address Redacted Timothy R Lee Address Redacted Timothy R Reis Address Redacted Timothy R Theige Address Redacted Timothy Ray Ellefson Address Redacted Timothy Roy Cook Address Redacted Timothy S Erickson Address Redacted Timothy S Russell Address Redacted TIMOTHY S SMITH AND JEANNI COLEMAN SMITH Address Redacted Timothy S. Drake Trust UAD 05/16/2017 Address Redacted Timothy Stradtman Address Redacted Timothy T Pashelk Address Redacted Timothy W Hardy Address Redacted Timothy W Mulholland Address Redacted Timothy W Omalley Heir Of Edna Lorraine O'Malley (Heir Of Elvira E Laempale) Address Redacted Timothy W. Fisher Address Redacted Timothy William Miller Address Redacted Timothy Young Smith Address Redacted Timothy Zeh Address Redacted Tina Anton Address Redacted Tina Bowen Address Redacted Tina M Chapman Address Redacted Tina M Davis Address Redacted Tina M Mccauley Address Redacted Tina M Polancheck Address Redacted Tina M Sherman Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 595 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 598 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tina Marie Bey Address Redacted Tina Marie Inman Address Redacted Tina Mudd Address Redacted Tina Perosi Address Redacted Tina R Emly Address Redacted Tina Young Address Redacted Tinka Levvis Address Redacted Tinnes, Todd Address Redacted Tioga Machine Shop Inc PO Box 848 Tioga ND 58852 Tipperary Oil & Gas Corp. 633 17Th St Suite 1550 Denver CO 80202 Tipro PO Box 678790 Dallas TX 75267-8790 Titan Energy Services LLC PO Box 1808 Dickinson ND 58601 Titan Industrial Storage LLC 3302 Lilac St Pasadena TX 77505 Titan Machinery Inc 644 East Beaton Dr West Fargo ND 58078 Titan Solutions LLC 450 E 16th St Greeley CO 80631-6013 TITAN SOLUTIONS LLC 1616 2ND AVE Greeley CO 80631 Titan Solutions LLC Attn: Matt Kuhbacher 450 E 16th Street Greeley CO 80631 6215 Corporate Drive, Suite Titan Solutions LLC c/o Cook Rector Law Attn: Michael Cook 200 Colorado Springs CO 80919 Titan Solutions LLC Heath Holloway and Matt Kuhbacher 1616 2nd Avenue Greeley CO 80631 Titan Solutions LLC Matt Kuhbacher 1616 2nd Avenue Greeley CO 80631 Titanium Plumbing LLC PO Box 528 Watford City ND 58854 Titanliner Inc PO Box 670424 Dallas TX 75267-0424 Titus T Decker & Marian Address Redacted Tj Bar LLC Holland Services Agent 309 West 7Th Street Suite 300 Fort Worth TX 76102 Tjelde Family Mineral Trust Address Redacted Tjf LLC C/O Wells Fargo Bank Na Agent PO Box 41779 Austin TX 78704 Tjk Family Properties LLC PO Box 50715 Billings MT 59105 Tjo Investment Trust Trent Oram - Trustee Address Redacted Tjs Oilfield Service 4910 Boulder Dr Bismarck ND 58504 Tjs Oilfield Service Address Redacted Tjs Productions Inc 2598 W 2700 N Vernal UT 84078-9654 T-K Group PO Box 2235 Billings MT 59103 T-K Production Company PO Box 2235 Billings MT 59103 Tl2Q 477 Madison Avenue 10Th Floor New York NY 10022 Tlc Meals On Wheels PO Box 3108 Centennial CO 80161-3108 Tlc Ventures LLC 2136 - 10th Avenue West Dickinson ND 58601 Tlm2 Ltd 808 W Wall St Midland TX 79701 Tlw And Ppw Land & Minerals PO Drawer P Marshall TX 75761 Tlw And Ppw Land & Minerals LLC PO Drawer P Marshall TX 75671 Tm Jobe LLC 315 Churchill Ln Pottsboro TX 75076 Tm Service Family Trust Walter Bennett Trustee Address Redacted Tnt Crane & Rigging Inc PO Box 847561 Dallas TX 75284 Tnt Hydro Line Inc P O Box 981 Gillette WY 82717 Tnt Well Servicing Inc 3 Gage Road Roundup MT 59072 Tobias Yeatman Mcdougal Address Redacted Tobin Capp Address Redacted Tobin, Pauleen Address Redacted Toby A Johnson Address Redacted Toby Hurley Consulting Inc PO Box 291 Baker MT 59313 Toby Lee Miller Address Redacted Toby Sticka Address Redacted Toc-Rocky Mountains Inc 501 Westlake Park Blvd Houston TX 77079 Tod A Crawford Address Redacted Tod G Maleckar Address Redacted Todd & Patricia Stefonowicz Address Redacted Todd & Patti Cayko Address Redacted Todd A Kuester Address Redacted Todd A Moe Address Redacted Todd A Poundstone Address Redacted Todd A Summers Address Redacted Todd Allan Duchesneau Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 596 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 599 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Todd Arnson Address Redacted Todd C Hanson Address Redacted Todd Cecil Murray Address Redacted Todd G Hauf Trust Share Todd G Hauf & Justin D Plummer - Trustees Address Redacted Todd H House Address Redacted Todd J Mcmeekin And Melissa A Mcmeekin Jtwros Address Redacted Todd Johnson Address Redacted Todd Kragness Address Redacted Todd L Hickel Address Redacted Todd L Hurley Address Redacted Todd Landmark Address Redacted Todd M & Karla R Kringen J/T Address Redacted Todd M Haldorson Address Redacted Todd M Kringen Address Redacted Todd M Kringen (Royalties) Address Redacted Todd Mathistad Address Redacted Todd O Aho Address Redacted Todd Overson Address Redacted Todd Pesek Address Redacted Todd R Kalstrom Trust Pamela S Kalstrom & Todd R Address Redacted Todd Reese Address Redacted Todd Reisenauer Address Redacted Todd S Legreid Jt Address Redacted Todd Schmitz Address Redacted TODD SLAWSON TRUST Address Redacted Todd Slawson Trust Dtd 12/20/2010 Address Redacted Todd Strabbe Address Redacted Todd W Kowalski Address Redacted Todd W Nelson Address Redacted Todd Wright Nickeson Address Redacted Todds Welding Service Inc PO Box 1113 Kalkaska MI 49646 Tofte Energy Partners LP PO Box 4221 Casper WY 82604 TOFTE ENERGY PARTNERS LP PO BOX 4221 Casper WY 82604 Tog LLC 1906 Chelsea Lane Billings MT 59106 Together We Rise 580 W Lambert Rd Ste A Brea CA 92821 Tokarz Investments LLC 287 Bowman Ave - 3rd Fl Purchase NY 10577 TOKARZ INVESTMENTS LLC 287 BOWMAN AVE Purchase NY 10577 Toklan Oil & Gas Corp 7404 South Yale Ave Tulsa OK 74114 Tollefson Family Farm Lllp 4011 81st Ave Nw New Town ND 58763 Tollefson Family Investments LLLP 4011 81st Avenue Nw New Town ND 58763 Tom Banks Address Redacted Tom Boyden Address Redacted Tom Chaney Address Redacted Tom D Dillavou Address Redacted Tom Daellenbach Address Redacted Tom Dishon Address Redacted Tom Eklund Address Redacted Tom French Address Redacted TOM GRAY Address Redacted Tom Gray Dba Petroleum Land Services PO Box 392 Williston ND 58802 Tom Green County Texas C/O Judge Mike Brown 112 West Beauregard Street San Angelo TX 76903 Tom H Gilliland Address Redacted Tom Hurley - Trustee Address Redacted Tom Hurly Address Redacted Tom Keller Address Redacted Tom Leiss Address Redacted Tom Nesseth Address Redacted Tom Puff Inc Address Redacted Tom Roggenbuck Address Redacted Tom Ruffatto Address Redacted Tom Sinclair Patten Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 597 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 600 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tom Sitter And Linda Sitter Jtwros Address Redacted Tom Tucker Dba E T Investments PO Box 2008 Traverse City MI 49685-2008 Address Redacted Tomahawk 1712 Glasgow Blvd Rawlins WY 82301 Tomcat Royalty Partnership C/O Charles Brown Address Redacted Tomchuk Fam Tr Dtd 6-25-12 Patricia Tomchuk Succ Ttee Address Redacted Tomchuk Lvg Tr Dtd 1-19-2000 Christopher Neal Tomchuk And Marla J Tomchuk, Co-Trustees Address Redacted Tomi Jacobs Address Redacted Tomlinson, Eric Address Redacted Tommerup Machine Shop, Inc P O Box 152 Worland WY 82401 Tommiann Thigpen Smith Michael F Henagan Agent Address Redacted Tommie J Stringer Address Redacted Tommie Jean Hosey Graves Address Redacted Tommy & Dorothy Sparks Family Trust Tommy & Dorothy Trustees Address Redacted Tommy King Address Redacted Tommy L Bailey Sandra L Bailey Address Redacted Tommy L Hagan Address Redacted Tommy R Isbell Address Redacted Tommy R Vascocu Address Redacted Tommy Ray Stewart Address Redacted Toni Bedard Address Redacted Toni D Melland Address Redacted Toni L. Jaskulke Address Redacted Tonkin Mineral Interests LLC 1524 Park Ave Sw Albuquerque NM 87104 Tonnell A Locken Address Redacted Tony Charles Simmons Address Redacted Tony Cummings Address Redacted Tony E Hickel Address Redacted Tony Erickson Address Redacted Tony G Wiedmer Address Redacted Tony I Rambousek Mineral Trust Dtd July 6, 1982 Tony I & Edith Rambousek, Ttee Address Redacted Tony Shin Address Redacted Tonya Moore & John W Medley & William C Medley Iii, William C Medley Iv - Tic Address Redacted Tool & Anchor Supply Inc 1962 W 12Th Ave Denver CO 80204 TOOLPUSHERS SUPPLY COMPANY P.O. BOX 1714 Casper WY 82602 Toolpushers Supply Company PO Box 1714 Casper WY 82602 Top Brass Oil Properties PO Box 2767 Long Beach CA 90801 Top Of The Line Crane Serv LLC PO Box 101 Williamsburg MI 49690-0101 Topgolf Usa Centennial LLC Attn: Kimberly Kondora 10601 E Easter Ave Centennial CO 80112 Topographic Land Surveyors Co 1400 Everman Pkwy Ste 146 Fort Worth TX 76140 Toppan Merrill LLC PO Box 74007295 Chicago IL 60674 Topwater Resources LLC 4747 Research Forest Dr #180-315 The Woodlands TX 77381 TOPWATER RESOURCES LLC 4747 RESEARCH FOREST DR #180-315 The Woodlands TX 77381 Torbjorg Bentsen Address Redacted Torcsill Foundations LLC PO Box 205443 Dallas TX 75320-5443 Tornado Combustion Technologies Inc 200 - 261200 Wagon Wheel Way Md Of Rocky View AB T4A 0E3 Canada Torola, Carl Address Redacted Torpey Denver Address Redacted Torrent Energy Services LLC PO Box 19177 Houston TX 77224-9177 TORRENT ENERGY SERVICES LLC-5984 PO BOX 19177 Houston TX 77224-9177 Tortuga Oil & Gas 3838 Oak Lawn Ave Ste 1216 Dallas TX 75219 Torvie/Jorgenson Family Revocable Living Trust Dated Feb 3 2014 Address Redacted Tory Polensky & Vernon F Polensky Address Redacted Total Depth Rentals Inc PO Box 1004 Williston ND 58802-1004 Total Depth Well Services Inc Box 479 Whitecourt AB T7S 1P6 Canada Total Directional Svcs LLC PO Box 831 Windsor CO 80550 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 598 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 601 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

TOTAL DOCUMENT SOLUTIONS (TDS) 19440 GOLF VISTA PLAZA STE 220 Leesburg VA 20176 Total Document Solutions Inc 19440 Golf Vista Plaza Ste 220 Leesburg VA 20176 Total Document Solutions Inc. 12330 East 46th Avenue Suite 500 Denver CO 80239 TOTAL DOCUMENT SOLUTIONS, INC. 12330 E 46TH AVENUE SUITE 500 Denver CO 80239 TOTAL DOCUMENT SOLUTIONS, INC. 12330 E. 46TH AVENUE, STE 500 Denver CO 80239 Total Energy Corp 2 Hardscrabble Road North Salem NY 10560 Total Oilfield Rentals PO Box 50646 Casper WY 82605-0646 Total Oilfield Rentals Inc PO Box 50646 Casper WY 82605 TOTAL OILFIELD RENTALS INC-4379 PO BOX 50646 Casper WY 82605 Total Safety Us Inc PO Box 654171 Dallas TX 75265-4171 Total Safety US, Inc Address Redacted Total Seal Inc 19424 Park Row Ste 102 Houston TX 77084-4898 Towerstone 14185 Dallas Parkway Centura Tower Dallas TX 75254 Town Of Basin PO Box 599 Basin WY 82410 Town Of Fairview PO Box 426 Fairview MT 59221 Towne Park Address Redacted TP2K Holdings LLC 5910 North Central Expressway Suite 1662 Dallas TX 75206 5910 NORTH CENTRAL TP2K HOLDINGS LLC EXPRESSWAY SUITE 1662 Dallas TX 75206 Tpc Resources LLC PO Box 3158 Bismarck ND 58502-3158 TPC RESOURCES LLC PO BOX 3158 Bismarck ND 58502-3158 Tpc Resources LLC & Bnc National Bank PO Box 3158 Bismarck ND 58502-3158 TPC RESOURCES, LLC PO BOX 3158 Bismarck ND 58502-3158 Tq Automation LLC 11665 Fuqua St Ste F610 Houston TX 77034 TR ROBEL SERVICES 300 E 16TH ST #216 Greeley CO 80631 Tr Robel Services Inc 300 E 16th St Unit 216 Greeley CO 80631 Trace Analysis Inc PO Box 2256 Stafford TX 77497 Trace3 Inc PO Box 844655 Boston MA 02284-4655 Trace3 LLC PO Box 847467 Los Angeles CA 90084-7467 TRACE3 LLC PO BOX 847467 Los Angeles CA 90084-7469 Tracerco Address Redacted Tracey A House Address Redacted Tracey J Willette Address Redacted Tracey L Fry Debell 2014 Revoc Trust Tracey L Fry Debell, Trustee Address Redacted Tracey L Thomas Address Redacted Tracey Landwehr Address Redacted Tracey Le Address Redacted Tracey Streitz Address Redacted Traci & Clyde Baker W/H Address Redacted Traci Cairns Address Redacted Traci K Baker Address Redacted Tracie Mcgehee Address Redacted Tracie R Berger Anderson Address Redacted Tracie R Zueger Address Redacted Tracker Resources Development III LLC 1001 17th St Ste 1000 Denver CO 80202-2063 TRACTOR & EQUIPMENT CO PO BOX 58201 Tukwila WA 98138-1201 Tracy A Ledahl Address Redacted Tracy Crosbie Address Redacted Tracy Dawn Rude Address Redacted Tracy Homes Profit Sharing Plan First Natl Bnk & Trst Co, Ttee Address Redacted Tracy Jean Elliott Address Redacted Tracy Kaler Address Redacted Tracy L Ericksen Address Redacted Tracy L Miller Address Redacted Tracy L Rixen Address Redacted Tracy L Volney Address Redacted Tracy M Kuznia Address Redacted Tracy R Barbee Address Redacted Tracy Reb Clark Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 599 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 602 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tracy Schagunn Address Redacted Tracy Schneider Address Redacted Tracy Wilkinson Vessigault Address Redacted Tracy Zelinski Address Redacted Trade Wind Ranch & Scoria Address Redacted Tradestation Securities, Inc. Attn: Andrea Augustin Corporate Actions 8050 Sw 10th St Plantation FL 33324 Tradestation Securities, Inc. Attn: David Bialer 8050 Sw 10th Street Suite 400 Plantation FL 33324 Trailblazer Pipeline Company LLC 370 Van Gordon Street Attn: Kevin O'Brien Lakewood CO 80228 TRAILBLAZER PIPELINE COMPANY LLC ATTN: BILL MOLER 4200 WEST 115TH STREET SUITE 350 Leawood KS 66211 TRAILBLAZER PIPELINE COMPANY LLC ATTN: KEVIN O'BRIEN 370 VAN GORDON STREET Lakewood CO 80228 TRAILBLAZER PIPELINE COMPANY LLC ATTN: PIPELINE MANAGEMENT 370 VAN GORDON STREET Lakewood CO 80228 TRAILBLAZER PIPELINE COMPANY LLC ATTN: WILLIAM R. MOLER 4200 WEST 115TH STREET SUITE 350 Leawood KS 66211 TRAILBLAZER PIPELINE COMPANY LLC P.O. DRAWER 2360 455 NORTH POPLAR Casper WY 82602 TRAILBLAZER PIPELINE COMPANY LLC-8543 370 VAN GORDON STREET ATTN: KEVIN O'BRIEN Lakewood CO 80228 Train Nd Address Redacted Trainor, Patrick Address Redacted Tram Resources Inc 2363 So Cedar Ave Fresno CA 93725 Tran, Trung Dung Address Redacted Trane Us Inc PO Box 98167 Chicago IL 60693 Transco Exploration Company One Williams Center Ste 4700 Tulsa OK 74172

TRANSCO EXPLORATION COMPANY C/O CT CORPORATION SYSTEM 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 Transmountain Exploration LLC 1490 W Canal Ct Suite 3000 Littleton CO 80120 Transportation Funding Group Inc For Bulletproof Trucking Llc Po Box 580054 Minneapolis MN 55458-0054 Transzap Inc Dept 3597 Po Box 123597 Dallas TX 75312-3597 TRANSZAP INC (OILDEX)-8626 DEPT 3597 PO BOX 123597 Dallas TX 75312-3597 TRANSZAP, INC. 2901 VIA FORTUNA BUILDING 6 SUITE 200 Austin TX 78746 Traverse Exploration LLC PO Box 1754 Midland TX 79702 Travis A Hickel Address Redacted Travis B Hardy Address Redacted Travis Evanoff Address Redacted Travis F Feril Estate Myrna Loy Feril Ind Exec Address Redacted Travis Gudmunsen Address Redacted Travis Hallam Address Redacted Travis L Nelsen Address Redacted Travis L Vold Address Redacted Travis L Vold c/o Raymond James Financial Attn: Brian K Johnson 225 5th Street North Breckenridge MN 56520 Travis M Meyer Address Redacted Travis M Meyer c/o Raymond James Financial Attn: Brian K Johnson 255 5th Street North Breckenridge MN 56520 Travis O Landmark Address Redacted Travis Olson Address Redacted Travis W Solberg 1405 NW Santa Fe Ln Apt 108 Silverdale WA 98383-7725 TRAXEL AND MAXINE STEVENS TRUST 4202 GNARL Austin TX 78731 Trc Rod Services Of Texas Inc 2810 S County Road 1207 Midland TX 79706 Treadstone Environmental Services Llc 14414 41st St Nw Alexander ND 58831 Treanor, William Address Redacted Treasurer Of Virginia Division Of Unclaimed Property Po Box 2478 Richmond VA 23218 Treasurer State Of Connecticut Unclaimed Property Division Po Box 150435 Hartford CT 06115-0435 Treasurer State Of Iowa Unclaimed Property Division Po Box 10430 Des Moines IA 50306-0430 Treasurer State Of New Jersey Unclaimed Property Admin Po Box 214 Trenton NJ 08695-0214 Tregan Energy Partners LP PO Box 191428 Dallas TX 75219 Tremaine Badinger 1443 8th St E Dickinson ND 58601 Trenchline Energy Services PO Box 193 Ray ND 58849 Trent B. Johnson Address Redacted Trent Oram Address Redacted Trent Tosky Julian Tosky, Guardian Address Redacted Trentroy Corp 13251 58th Street Nw Williston ND 58801 Trenwa Inc 1419 Alexandria Pike Fort Thomas KY 41075 Tres Minerals Ltd PO Box 670 Midland TX 79702 Tres Rios Minerals LLC PO Box 3098 Midland TX 79702 Tresor Petroleum Inc 1801 Broadway Suite 830 Denver CO 80202 Trevalee A Mcgrath Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 600 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 603 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Trevor Allen & Joan Allen Co-Trustees Of Joan Allen Trust Est 5/30/2013 Address Redacted Trevor Kronberg Address Redacted Trey Exploration Inc PO Box 906 Newburgh IN 47629 TRG - THE RESPONSE GROUP, LLC 13939 TELGE ROAD Cypress TX 77429 Tri State Generation And Transmission Assoc PO Box 33695 Denver CO 80233 Triangle Electric Inc 2644 1st Ave East Po Box 789 Williston ND 58801 Triangle Electric Inc Attn: David Hoerner 2644 1st Ave E Williston ND 58801 Triangle Petroleum 1200 17Th St, Suite 2600 Denver CO 80202-5826 Triangle Realty Partnership PO Box 1923 Williston ND 58802-1923 TRIANGLE REALTY PARTNERSHIP PO BOX 1923 Williston ND 58802-1923 Triangle Usa Petroleum Corp PO Box 912712 Denver CO 80291-2712 TRIANGLE USA PETROLEUM CORP 1200 17TH ST STE 2500 Denver CO 80202 TRIANGLE USA PETROLEUM CORPORATION ATTN: ASHLEY GARBER 1200 17TH STREET SUITE 2600 Denver CO 80202 Triangle Usa Petroleum Corporation c/o Furuseth Kalil Olson & Evert, PC Attn: Taylor Olson PO Box 417 Williston ND 58802 c/o Ireland Stapleton Pryor & Pascoe, Triangle Usa Petroleum Corporation PC Attn: Benjamin Larson 717 17Th Street #2800 Denver CO 80202 C/O IRELAND STAPLETON PRYOR & TRIANGLE USA PETROLEUM CORPORATION PASCOE, PC ATTN: KELLEY DUKE 717 17TH STREET #2800 Denver CO 80202 Tricentrol Us Inc 425 1st Sw Ste 2900 Calgary AB T2P3L8 Canada Tricia C & Don Hansen H/W Address Redacted Tricia Kathrine Smith Address Redacted Tricia Steffan Address Redacted Tricon Geophysics Inc 475 17th Street Suite #600 Denver CO 80202 Tri-County Glass PO Box 1111 Williston ND 58802-1111 Tridder Industrial LLC PO Box 955 Plains TX 79355 TRIDENT RESOURCE MANAGEMENT COMPANY INC 15 ENGLE ST STE 101 Englewood NJ 07631 Trident Resource Management Company Inc 15 Engle St Ste 101 Englewood NJ 7631 Trident Steel Corporation 12825 Flushing Meadows Dr Ste 110 St Louis MO 63131-1837 Tri-Gas Distributing Co 1660 Barlow St Traverse City MI 49686 Trigger Energy Inc 915 Coleman Circle Casper WY 82601 Trigger Land Services Inc 1315 W Jackson Pl Williston ND 58801 TRIGGER LAND SERVICES INC 1315 W JACKSON PL Williston ND 58801 Trigger Resources LLC 222 176th Terrace Dr E Redington Shores FL 33708 TRIGGER RESOURCES LLC 222 176TH TERRACE DR E Redington Shores FL 33708 Tri-Global Technologies LLC 3724 Atlanta Highway Ste 3 Athens GA 30606 Trihydro Corporation 1252 Commerce Drive Laramie WY 82070 Trilogy Oil & Gas LLC PO Box 260498 Lakewood CO 80226 Trilogy Oilfield Services LLC 353 Shady River Ln Whitefish MT 59937 Trilogy Oilfield Services LLC PO Box 3100 Minot ND 58703 Trina Beth Johnson Trust Hank Johnson Trustee Address Redacted Trina Dressler Address Redacted Trina Moneypenny Address Redacted Trinabeth R Johnson Address Redacted Trinitas Energy LLC 10619 Marine View Dr Mukilteo WA 98275 TRINITY CONSULTANTS 1391 N SPEER BOULEVARD SUITE 350 Denver CO 80204 Trinity Consultants Inc PO Box 972047 Dallas TX 75397-2047 Trinity Consulting - Title V Program Preparation 1391 Speer Blvd #350 Denver CO 80204 Trinity Consulting - Wyoming Department Of Environmental Quality - Emission Inventory 1396 Speer Blvd #350 Denver CO 80204 Trinity Consulting - Wyoming Department Of Environmental Quality - Permitting 1396 Speer Blvd #350 Denver CO 80204 Trinity Consulting- Department Of Homeland Security 1396 Speer Blvd #350 Denver CO 80204 Trinity DriLLCo LLC 1700 Lincoln St Ste 3450 Denver CO 80203 Trinity Energy Services LLC C/O Registered Agents, Inc. 5900 Balcones Dr Ste 100 Austin TX 78731-4298 Trinity Evangelical Lutheran Church Of Alexander, Nd PO Box 107 Alexander ND 58831 Trinity Health Foundation PO Box 5020 Minot ND 58702 Trinity High School 810 Empire Road Dickinson ND 58601 Trinity Land & Minerals LP 309 W 7Th Street Ste 500 Fort Worth TX 76102 Trinity Lutheran Church 300 Seminole Ave Osceola WI 54020-8049 Trinity Lutheran Church PO Box 346 Otis KS 67565 Trinity Lutheran Church 214 Lincoln Ave S Sidney MT 59270 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 601 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 604 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Trinity Lutheran Church Of Madelia, Minnesota In Trust 406 W Main Madelia MN 56062 Trinity Management Consulting Inc 1670 Broadway Ste 2000 Denver CO 80202-4808 TRINITY MANAGEMENT CONSULTING, INC. 1670 BROADWAY STE 2000 Denver CO 80202-1808 Trinity Shea Thomas Address Redacted Trinity University Bd Of Trst Frost National Bank PO Box 27 San Antonio TX 78291-0027 Trinity University Of San Antonio Board Of Trustees PO Box 27 San Antonio TX 78291-0027 Trinity Western Land & Exp LLC 9335 Science Center Drive New Hope MN 55428 TRINITY WESTERN LAND & EXP LLC 9335 SCIENCE CENTER DRIVE New Hope MN 55428 Triple A Services 14068 Southview St Williston ND 58801 Triple Aaa Safety Training Inc 509 10th St Se Watford City ND 58854 TRIPLE C 1903 PLEASANT CREEK DR Kingwood TX 77345 TRIPLE C EXPL 1903 PLEASANT CREEK DR Kingwood TX 77345 Triple C Exploration LLC 1903 Pleasant Creek Dr Kingwood TX 77345 TRIPLE C EXPLORATION LLC 1903 PLEASANT CREEK DR Kingwood TX 77345 Triple C Production Services P O Box 1148 Yorktown TX 78164 Triple Crown Internet Inc 1008 Avenue F Po Box 720 Plains TX 79355 Triple D Enterprises Catherine Douthat Griner 4637 Clary Lakes Drive Ne Roswell GA 30075 Triple H Resources Inc PO Box 10463 Midland TX 79702 Triple J Production Inc 266 N 3500 W Vernal UT 84078 Triple L Sales PO Box 2202 Cody WY 82414-2202 Triple O Slabbing Inc 2830 W 9th Ave Denver CO 80204 TRIPLE O SLABBING, INC 2830 W. 9TH AVE. Denver CO 80204 Triple O Slabbing, Inc. 2830 West 9th Avenue Denver CO 80204 Triple S Enterprises Inc PO Box 2238 Williston ND 58802 Triple S Resources Inc 85 Will Sauer Road Washoe Valley NV 89704 Tri-Point Oil & Gas Production Systems Llc Po Box 207557 Dallas TX 75320-7557 Trish Purdy Address Redacted Trisha Beck Address Redacted Trisha Tonn Address Redacted Trista D Johnson 600 Sheridan Lake Rd Rapid City SD 57702 TRISTAR COMPRESSION LP-8548 PO BOX 290038 Kerrville TX 78029 Tristar Compression Lp PO Box 290038 Kerrville TX 78029 Tri-Star Minerals PO Box 3086 Minot ND 58702-3086 TRI-STATE GENERATION AND TRANSMISSION ASSOCIATION INC-8549 P O BOX 33695 Denver CO 80233 TRI-STATE GENERATION AND TRANSMISSION ASSOCIATIONS, INC. P O BOX 33695 Denver CO 80233 Tri-State Land Surveying & Consulting P O Box 533 Vernal UT 84078 Tri-States Energy Inc PO Box 1236 Billings MT 59103 Triumph Business Capital For Miller-Hfi Llc Po Box 610028 Dallas TX 75261-0028 Triumph Resources Corporation Joint Venture 92-1 2601 Ridgmar Plaza Suite 202 Fort Worth TX 76116 Triumph Resources Limited Partnership 556 Silicon Dr Ste 103 Southlake TX 76092-7528 Trobaugh Properties 3300 N A Street Bldg 4 Ste 102 Midland TX 79705 Troth II LLC C/O First Financial Trust & Asset Mgmt Company - Agent PO Box 701 Abilene TX 79604 Trotter Construction Inc PO Box 206 Grassy Butte ND 58634 Troy A Hickel Address Redacted Troy A. Beckler Address Redacted Troy Froehlich & Michelle Froehlich Address Redacted Troy G Marchbanks Revocable Tr Troy G Marchbanks Trustee Address Redacted Troy K Longdo Address Redacted Troy Kloberdanz Address Redacted Troy Randall Keetch & Wendy Colton Keetch (Jt) Address Redacted Troy Reisenauer Address Redacted Truax Family Of Albert Lea LLC 1620 Bay Oak Dr Albert Lea MN 56007 Truckers Against Trafficking PO Box 816 Englewood CO 80151-0816 Trudy Marie Steinback Address Redacted True North Resources LLC PO Box 414 Tabernash CO 80478 True Oil Enterprises 1746-F S Victoria #382 Ventura CA 93003 True Oil Enterprises, LLC c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 602 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 605 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country True Oil Enterprises, LLC Dana Bowen 1746F S. Victoria Ave #382 Ventura CA 93003 True Oil LLC PO Box 2360 Casper WY 82602 TRUE OIL LLC 455 N POPLAR ST Casper WY 82601 Kenneth Green, Snow Spence Green True Oil LLC LLP 2929 Allen Parkway Suite 2800 Houston TX 77019 TRUE OIL LLC PO BOX 2360 Casper WY 82602 Truenorth Steel Address Redacted TRUENORTH STEEL ATTN: STACI PESCION PO BOX 336 West Fargo ND 58078 Truenorth Steel Inc 4401 Main Ave Fargo ND 58107 TRUIST BANK Legal Department 214 Ntryon St Charlotte NC 28202-1078 Trujillo Land Services PO Box 1252 Cheyenne WY 82003 Trujillo Land Services LLC PO Box 1252 Cheyenne WY 82003-1252 Trulab LLC 2674 Sims Suite B Dickinson ND 58601 Truman A Tollefsrud Address Redacted Truman Allen And Brenda Tollefsrud Address Redacted Truman E Obrien Address Redacted Truman Weldon Dean Jr Daniel Dean Poa Address Redacted Trumbull Oil Properties LLC 12121 Wilshire Blvd Ste 510 Los Angeles CA 90025-1176 Trust 850 Ii U-D-T 8-27-93 William S Perrine & John A Perrine, Co-Trustees Address Redacted Trust Agreement Of Brian Scott Krefting Brian & Cheryl Krefting - Tr Address Redacted Trust Agreement Of Myron & Lana Anker - Myron E & Lana R Anker - Trustees Address Redacted Trust B Uw Of Fe Stewart 1St Natl Bank Of Williston Tstee Address Redacted

TRUST COMPANY OF AMERICA 7103 SOUTH REVERE PARKWAY Centennial CO 80112 Trust Created By The Last Will & Testament Of Robert Conkling Community Bank - Truste PO Box 6980 Olean NY 14760 Trust Fbo Stephen Roger Dobie Lwt Of Pearl Lucile Dobie Address Redacted Trust Fbo Tessah Hagen, Julian M Hagen, Tiffany M Hunt Under Lwt Of Henry T Hagen 11-15-05 Address Redacted

Trust For The Hill Foundation Wells Fargo Bank Co Trtee Address Redacted

Trust Ii Eugene R Kirkpatrick Rev Tr Fbo Gary Kirkpatrick Address Redacted Trust Jesus 1St LLC 5099 Ironwood Trail Bartow FL 33830 Trust No Lt -Ddb-101 Dtd Oct. 22, 2009 Donald L Bond & Dolores F Bond, Ttees Address Redacted Trust Of Harrison Gruschus Jr, James Gruschus & Thomas Gruschus - Thomas Gruschus Tr Address Redacted Trust Of Richard & Berdine Anderson - Richard R & Carrie Berdine Anderson - Trustees Address Redacted Trust T Trucking Inc PO Box 1503 Sidney MT 59270 Trust U/W Of Charles Otahal 3202 Harpers Ferry Corpus Christi TX 78410-2410 Trustees Of Shannon West Texas Memorial Hospital Address Redacted Truth For Life PO Box 398000 Cleveland OH 44139-9000 Tryer Process Equipment Ltd PO Box 3456 Wichita Fallas TX 76301-0456 Trygve Erik Thorsrud 198 Giddings Ct San Jose CA 95139 Ts Carwash LLC Address Redacted Tsc Oil & Gas Inc 4925 Greenville Ave Ste 600 Dallas TX 75206 TSC OIL & GAS INC 4925 GREENVILLE AVE STE 600 Dallas TX 75206 Tsi Incorporated 500 Cardigan Road Shoreview MN 55126 Tsi Incorporated Sds 12-0764 Po Box 86 Minneapolis MN 55486-0764 Tsion Taye Address Redacted Ttee Of The Catherine Gathman Rev Tr Address Redacted Ttt Minerals LLC First Western Bank & Trust 825 26th Ave E West Fargo ND 58078 Tubb Memorial Bank Of America Na Agent PO Box 840738 Dallas TX 75284-0738 Tucker B Royall Trust Tucker Boyd Royall - Trustee Address Redacted

Tucker B Royall Tst Uwo Frances K Royall, Tucker Tstee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 603 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 606 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Tucker Boyd Royall Address Redacted Tucker Boyd Royall Natan C Reedre Trtees Utw Of Fannie May Royall Address Redacted Tucker Family Irrevoc Trust Jerry E & Nadine Tucker Ttees Address Redacted Tucker, Deborah Address Redacted Tucker, Dusty Address Redacted TUDOR PICKERING HOLT & CO. ATTN: HERITAGE PLAZA 1111 BAGBY SUITE 5100 Houston TX 77002 Tudor Pickering Holt & Co Advisors Lp 1111 Bagby, #5100 Houston TX 77002 TUDOR PICKERING HOLT & CO ADVISORS LP HERITAGE PLAZA 1111 BAGBY, SUITE 5100 Houston TX 77002 Tuff Trucks Inc 516 37th Ave Sw Minot ND 58701 Tuggers Inc 402 2nd Ave Ne Belfield ND 58622 Tuhy Family Mineral Trust Calvin P Tuhy, Trustee Address Redacted Tuhy Family Revoc Trust Edwin E And Sheila L Tuhy Ttee U/A/D May 18, 1999 Address Redacted Tuhy, Jason Address Redacted Tularosa Inc 6424 N Santa Fe Suite A Oklahoma City OK 73116 Tulsa Boys Home Attn Phillip Vinson PO Box 1101 Tulsa OK 74101-1101 Tundra Tubing Testing 1900 107th St Nw Burlington ND 58722 Tung Do Address Redacted Tunstill Mineral Co LP PO Box 5398 Austin TX 78763 Turbyfill Oil & Gas LP Address Redacted Turk Family Joint Rev Trust Marlene G & James L Turk Ttees Address Redacted Turm Oil Inc PO Box 5 Bismarck ND 58502 Turmoil Inc PO Box 5 Bismarck ND 58502 Turner Gas Company PO Box 26554 Salt Lake City UT 84126 Turner Mason & Company 2100 Ross Ave Ste 2920 Dallas TX 75201 Turner Minerals LLC 8028 N May Ave #202 Oklahoma City OK 73120 Turtle Mountain Animal Rescue PO Box 896 Rolla ND 58367 Turvey Family Rev Living Trust Address Redacted Tusker LLC 401 S Boston Ave Ste 2100 Tulsa OK 74103 Tuttle Family Partnership Mary L Hagstrom Gp Address Redacted Tuyet Ahn Reamer Address Redacted TVEIT FARMS INC 13854 HWY 16 Fairview MT 59221 Twamley Hall Room 115 264 Centennial Drive Stop 8356 Grand Forks ND 58202-8356 Tweedy Browne & Knapp 350 Park Avenue 9th Floor New York NY 10022 Twenty-O-Five Corporation PO Box 2244 Billings MT 59103-2244 Twenty-Twenty Partners LLP 3013 Bears Den Dr Sedalia CO 80135 Twila C Oe Address Redacted Twila F Wolfe R R Trust Address Redacted Twila K Wolfe Restated Rev Tr Dated June 23, 2005 Farmers Nat'L Company, Agent PO Box 3480, Oil And Gas Dept Omaha NE 68103 Twila K Wolfe Restated Revoc Trust U/D/T Dtd June 13, 2005 Twila K Wolfe, Trustee Address Redacted Twila Wolfe Revocable Trust Alerus Financial Trustee Address Redacted TWIN CITY PO BOX 2323 Bismarck ND 58502-2323 Twin City Fire Insurance Co. One College Park Indianapolis IN 46268-0930 Twin City Roofing LLC PO Box 545 Dickinson ND 58602 Twin City Technical LLC PO Box 2323 Bismarck ND 58502-2323 TWIN CITY TECHNICAL LLC PO BOX 2323 Bismarck ND 58502-2323 Twin Peaks Royalty LLC 1235 W 124th Ave Ste 104 Westminster CO 80234-1725 Twin Valley School District No 5 Address Redacted Two Bit Rentals Inc PO Box 2537 Williston ND 58802 Two Bit Rentals, Inc. Address Redacted Two Mile Ranch A Colorado General Partnership 60773 North Hwy 71 Stoneham CO 80754 Two Rivers Energy LLP PO Box 8480 Williston ND 58802 Twyla Anderson Address Redacted Twyla Olson Estate Marvin B Olson, Per Rep Address Redacted Txam Pumps LLC PO Box 38622 Houston TX 77238 Txp Capital LLC For R3 Industrial Cleaning Services Po Box 64443 Lubbock TX 79464 TXU ELECTRIC COMPANY-8551 6555 SIERRA DR Irving TX 75039 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 604 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 607 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Txu Energy 6555 Sierra Drive Irving TX 75039 Txu Energy Po Box 650638 Dallas TX 75265-0638 TXU ENERGY PO BOX 650638 Dallas TX 75265-0638 TXU Energy Retail Company LLC Address Redacted Ty D Stevenson Address Redacted Ty Hanson Address Redacted Tydenbrooks Address Redacted Tyler Brenno Address Redacted Tyler Crosby Address Redacted Tyler Investments Inc Dr Henry B Tyler Address Redacted Tyler J Rand Address Redacted Tyler J Schultz Address Redacted Tyler Rizzi Address Redacted Type 7 Creative Agency LLC 1385 South Logan Street Denver CO 80210 Typhoon Excavation Inc PO Box 1451 Williston ND 58802-1451 TYPHOON EXCAVATION INC PO BOX 1451 Williston ND 58802-1451 Tyrell Moberg Address Redacted Tyrone Township 13801 64th Street Nw Williston ND 58801

Tyronne B Kittleson Real Est & Oil Trust Dated 11/1/95 Tyrone B Kittleson Trustee PO Box 2122 Bismarck ND 58502-2122 Tyson M Henke Address Redacted U E Patrick Address Redacted U S Bank Trustee Of Trust 850-Ii Address Redacted U S Cordell Address Redacted U S Energy Development Corp 1521 N Cooper St Ste 400 Arlington TX 76011 U S ENERGY DEVELOPMENT CORP 1521 N COOPER ST STE 400 Arlington TX 76011 U S Energy Development Corp Alpha Energy Partners Drilling Program 2010 A 1521 N Cooper St Ste 400 Arlington TX 76011 U S Energy Development Corp Alpha Energy Partners Drilling Program 2010 B 1521 N Cooper St Ste 400 Arlington TX 76011 U S Energy Development Corp Alpha Energy Partners Drilling Program 2010 C 1521 N Cooper St Ste 400 Arlington TX 76011 U S Petroleum Inc PO Box 306 Stillwater OK 74076 U S PETROLEUM INC 465 NASSAU RD Roosevelt NY 11575 U.S. Bancorp Investments, Inc. Attn: Cherice Tveit 60 Livingston Ave St. Paul MN 55107 U.S. Bancorp Investments, Inc. Attn: Reorg Department 60 Livingston Ave St. Paul MN 55107 U.S. Bancorp Investments, Inc. Kevin Brown Assistant Vice President 60 Livingston Ave St. Paul MN 55107-1419 U.S. Bank N.A. Stephanie Kapta 1555 N Rivercenter Drive Suite 302 Milwaukee WI 53212 U.S. Bank N.A./Third Party Lending Scott Olson 1555 N Rivercenter Drive Suite 302 Milwaukee WI 53212 U.S. BANK NATIONAL ASSOCIATION Legal Department 950 17th Street DN-CO-T4OG Denver CO 80202 U.S. DEPARTMENT OF LABOR ATTN: WAGE AND HOUR DIVISION 200 CONSTITUTION AVE NW Washington DC 20210 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF ATTN: THE SUPERINTENDENT OF INDIAN AFFAIRS THE SOUTHERN UTE AGENCY PO BOX 315 Ignacio CO 81137-0315 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – COLORADO 2850 YOUGFIELD ST. Lakewood CO 80215 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – COLORADO 2850 YOUGFIELD ST. Lakewood CO 10293 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – EASTERN STATES 20 M STREET SE SUITE 950 Wahington DC 20003 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – EASTERN STATES 20 M STREET SE SUITE 950 Wahington DC 10294 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – MONTANA/DAKOTAS 5001 SOUTHGATE DR. Billings MT 59101 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – MONTANA/DAKOTAS 5001 SOUTHGATE DR. Billings MT 10295 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – NEW MEXICO 301 DINOSAUR TRAIL Santé Fe NM 87508 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – NEW MEXICO 301 DINOSAUR TRAIL Santé Fe NM 10296 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – UTAH 440 WEST 200 SOUTH SUITE 500 Salt Lake City UT 84101

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 605 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 608 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT – UTAH 440 WEST 200 SOUTH SUITE 500 Salt Lake City UT 10297 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT - WYOMING 5353 YELLOWSTON RD. Cheyenne WY 82009 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF LAND MANAGEMENT - WYOMING 5353 YELLOWSTON RD. Cheyenne WY 10298 U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF OCEAN ENERGY MANAGEMENT 1849 C STREET, NW Washington DC 20240

U.S. DEPARTMENT OF THE INTERIOR, BUREAU OF GULF OF MEXICO OCS REGION, SAFETY AND ENVIRONMENTAL ENFORCEMENT 1201 ELMWOOD PARK BLVD. New Orleans LA 70123-2394 U.S. FOREST SERVICE 1901 SOUTH MAIN STREET Watford City ND 58854-6705 U.S. Specialty Insurance Company 801 S. Figueroa St. Ste. 700 Los Angeles CA 90017 U.S. Specialty Insurance Company Address Redacted U.S. Specialty Insurance Company Tokio Marine Hcc - D&O Group 8 Forest Park Drive Farmington CT 06032 U.S. Trustee Office of US Trustee Attn: Hector Duran 515 Rusk Avenue Suite 3516 Houston TX 77002 AS CUSTODIAN FOR UBSAG GREGORY CONTALDI - 1000 HARBOR BLVD - 5TH UBS AG STAMFORD BRANCH LONDON BRANCH DIRECTOR FLOOR Weehawken NJ 07086 AS CUSTODIAN FOR UBSAG GREGORY CONTALDI - 1000 HARBOR BLVD - 5TH UBS AG STAMFORD BRANCH LONDON BRANCH DIRECTOR FLOOR Weenhawken NJ 07086

Ubs Ag Stamford Branch/As Custodian Gregory Contaldi Director 1000 Harbor Blvd - 5th Floor Weenhawken NJ 07086 UBS FINANCIAL SERVICES INC. ATTN: CORPORATE ACTIONS 1000 HARBOR DRIVE Weehawken NJ 07086 Ubs Financial Services Inc. Jane Flood 1000 Harbor Blvd Weehawken NJ 07086 Ubs Securities LLC Gregory Contaldi 1000 Harbor Blvd - 5th Floor Weenhawken NJ 07086 1000 HARBOR BLVD - 5TH UBS SECURITIES LLC GREGORY CONTALDI DIRECTOR FLOOR Weenhawken NJ 07086 Ubs Securities LLC/Securities Lendin Gregory Contaldi 480 Washington Blvd 12th Floor Jersey City NJ 07310 480 WASHINGTON BLVD 12TH UBS SECURITIES LLC/SECURITIES LENDING GREGORY CONTALDI FLOOR Jersey City NJ 07310 Ue Compression Holdings LLC PO Box 5101 Denver CO 80217-5101 Uels LLC 85 South 200 East Vernal UT 84078 Uemi Dba India Transformed Po Box 22420 Denver CO 80222 UET 225 UNION BOULEVARD SUITE 200 Lakewood CO 80228 UET MIDSTREAM, LLC 225 UNION BOULEVARD SUITE 200 Lakewood CO 80228 Uinta County Treasurer PO Box 1530 Evanston WY 82931-1530 Uinta Petroleum Inc PO Box 1208 Laramie WY 82073 UINTA PETROLEUM INC PO BOX 1208 Laramie WY 82073 Uintah County Clerk & Recorder 147 East Main Street Vernal UT 84078 Uintah County, UT 147 E Main Vernal UT 84078 Uintah County, UT Attn: Greg Lamb, County Attorney 641 E 300 S Vernal UT 84078 Uintah County, UT Treasurer 152 E 100 N Vernal UT 84078 UINTAH COUNTY, UTAH 2ND FLOOR WEST WING 152 E 100 N Vernal UT 84078 UIPATH 90 PARK AVE 20TH FLOOR New York NY 10016 Uipath Inc 90 Park Ave 20th Floor New York NY 10016 UIPATH INC. 90 PARK AVE 20TH FLOOR New York NY 10016 UIPATH INC. 90 PARK AVE FL 20 New York NY 10016-1301

Ukrainian Orthodox Church Of St Peter & Paul Of Belfield Attn Sam Pasicznyk Treasurer 1638 11Th St W Dickinson ND 58601-3601 Uline Inc Attn: Accounts Receivable Po Box 88741 Chicago IL 60680-1741 Uline, Inc. Accounts Receivable 12575 Uline Drive Pleasant Prairie WI 53158 Ulmer Energy LLC 1549 Thistle Ridge Rd Highlands Ranch CO 80126 Ulmer Energy LLC C/O Northstar Bank Of Colorado Attn Danna Cantu 6654 Timberline Road Highlands Ranch CO 80130 Ulrich Oil Trust First Western Bank & Trust Successor Trustee PO Box 1090 Minot ND 58702-1090 Ulterra Drilling Technologies Lp Po Box 733586 Dallas TX 75373-3586 Umb Bank, National Association Vincent Duncan 928 Grand Blvd Kansas City MO 64133 Una Oreja LLC PO Box 101265 Fort Worth TX 76185 Unbound 1 Elmwood Ave Kansas City KS 66103-2118 Uncc Attn: Member Services 16361 Table Mountain Parkway Golden CO 80403 Unclaimed Open Acreage Tarpon Wells Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 606 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 609 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country UNCOMMON SOLUTIONS 6530 S YOSEMITE ST STE 204 Greenwood Village CO 80111 Uncommon Solutions Inc 6530 S Yosemite St Ste 204 Greenwood Village CO 80111 Und Alumni Association & Foundation 3501 Univeristy Ave Stop 8157 Grand Forks ND 58202 3501 University Ave Stop Und Foundation Univeristy Of North Dakota 8157 Grand Forks ND 58202-8157 Und Foundation & Alumni Assoc 3100 University Ave Stop 8157 Grand Forks ND 58201-8157 Und Foundation Univeristy Of North Dakota 3501 University Ave Stop 8157 Grand Forks ND 58202-8157 Underdahl Construction 4324 61st Ave Nw Plaza ND 58771 Underdahl, Christopher Address Redacted Underhill Family Trust Frank J & Barbara F Underhill Trustees Address Redacted UNDERWRITERS AT LLOYD'S LONDON & EAST TOWER, 25TH COMPANIES LLOYD'S AMERICA, INC. ATTN: LEGAL DEPARTMENT 280 PARK AVENUE FLOOR New York NY 10017 280 Park Avenue, East Underwriters At Lloyd'S London & Companies Lloyd'S America, Inc. Attn: Legal Department Tower 25th Floor New York NY 10017 Unicorn Investors Ltd Grantee Of Edgar J Marston Iii 711 Louisiana St Suite 2900 Houston TX 77002 Unifirst Holdings Inc 3840 Industrial Circle Bossier City LA 71112 Union Fcb Texas Ltd 113 W 8Th Avenue Amarillo TX 79101 Union Mineral Company LLC 113 West 8Th Amarillo TX 79101 Union Oilfield Supply Inc 12 John Dykes Rd Waynesboro MS 39367 UNION PACIFIC RESOURCE COMPANY P.O. BOX 7, MS 3504 Fort Worth TX 76101-0007 Unionrock Royalties Ii LLC 1999 Broadway Ste 850 Denver CO 80202 Unit 3 Tech LLC 10308 E 28th Ave Denver CO 80238 UNIT 3 TECH, LLC 10308 E. 28TH AVE. Denver CO 80238 UNIT 3 TECH, LLC 10308 E. 28TH AVE. Denver CO 80238 UNIT DRILLING COMPANY 10233 SOUTH PARKER ROAD SUITE 300 Parker CO 80134

Unit Drilling Company Attn: David Case 8310 South Valley Hwy, Suite 300 Englewood CO 80112 Unit Drilling Company Department 247 Tulsa OK 74182 Unit Drilling Company Drew Harding 8200 South Unit Drive Tulsa OK 74132 Unit Four Partnership 5956 Sherry Lane Ste 1500 Dallas TX 75225 Unit Four Partnership PO Box 95229 Grapevine TX 76099-9752 Unit Liner Company Drawer #2387 Po Box 5935 Troy MI 48007-5935 Unit Petroleim Company PO Box 702500 Tulsa OK 74170 Unit Petroleum Co PO Box 702500 Tulsa OK 74170-2500 UNIT PETROLEUM CO PO BOX 702500 Tulsa OK 74170-2500 United Energy Trading LLC 919 South 7th Street Bismarck ND 58502 ATTN: GENERAL UNITED ENERGY TRADING LLC 225 UNION BLVD. SUITE 200 COUNSEL Lakewood CO 80228 UNITED ENERGY TRADING LLC 919 SOUTH 7TH STREET Bismarck ND 58502 UNITED ENERGY TRADING, LLC 225 UNION BLVD. SUITE 200 Lakewood CO 80228

ATTN: LOREN KOPSENG, UNITED ENERGY TRADING, LLC 919 SOUTH 7TH STREET SUITE 405 PRESIDENT/CEO Bismarck ND 58504 United Energy Trading, LLC Attn: General Counsel 225 Union Blvd. Suite 200 Lakewood CO 80228 UNITED ENERGY TRADING, LLC ATTN: GENERAL COUNSEL 225 UNION BOULEVARD SUITE 200 Lakewood CO 80228 United Energy Trading, LLC Attn: Rob Williams 215 Union Blvd. Suite 350 Lakewood CO 80228 United Energy Trading, LLC Mr. Tim Penney Director, Crude Oil Trading 225 Union Blvd., Suite 200 Lakewood CO 80228 United Machine & Tool PO Box 1117 Lovington Highway Denver City TX 79323 United Operating Co Inc PO Box 701950 Tulsa OK 74170 United Parcel Service Lock Box 577 Carol Stream IL 60132-0577 United Quality Cooperative PO Box 340 New Town ND 58763 United Rentals Inc PO Box 100711 Atlanta GA 30384-0711 Of The Interior Bureau Of Land United States Department Management 5001 Southgate Drive Billings MT 59101-4669 UNITED STATES DEPARTMENT OF INTERIOR, BUREAU OF LAND MANAGEMENT 99 23RD AVE W, SUITE A Dickinson ND 58601 UNITED STATES DEPARTMENT OF INTERIOR, BUREAU OF LAND MANAGEMENT 99 23RD AVE W, SUITE A Dickinson ND 10300 United States Department Of Interior, Bureau Of Land Management Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 607 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 610 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country United States Department Of Interior, Bureau Of Safety And Environmental Enforcement Address Redacted United States Department Of Interior, Office Of Natural Resources Revenue Address Redacted United States Department Of The Interior, Bureau Of Indian Affairs 1849 C St NW Ste 3642 MS-4606 Washington DC 20240 United States Department Of The Interior, Bureau Of Indian Affairs 1849 C Street, N.W. MS-4606 Washington DC 20240 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, REGION 5 77 W. JACKSON BLVD. Chicago IL 60604 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, REGION 8 1595 WYNKOOP ST. Denver CO 80202 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, REGION 8 1595 WYNKOOP ST. Denver CO 10299 UNITED STATES FOREST SERVICE - MCKENZIE RANGER DISTRICT 1901 S. MAIN ST. Watford City ND 58854 c/o United States Attorney's Office, United States of America Southern District of Texas Attn: Richard A. Kincheloe 1000 Louisiana St. Suite 2300 Houston TX 77002 United States Treasury 1550 American Blvd East Ste 500 M/S 5128 Bloomington MN 55425 United States Treasury Attn: D Hll 30 East 7Th St MS 5114 DH St Paul MN 55101 Badlands Services Group Llc 45- United States Treasury 4937259 - Levy Proceeds 30 East Seventh St M/S 5121 St Paul MN 55101 Levy Proceeds For Trenchline Energy Attn: Jesse Nieman, 1550 American United States Treasury Services - 46-1778496 Blvd E Ste 500 Bloomington MN 55425 United Vision Logistics Address Redacted United Vision Logistics PO Box 975357 Dallas TX 75397-5357 Unitsource Incorporated Attn Paul S Conner P O Box 2047 Sheridan WY 82801 Univ Of Minnesota Foundation 200 Oak St Se Ste 500 Minneapolis MN 55455 Univar Usa Inc 13009 Collections Ctr Dr Chicago IL 60693 Univar Usa Inc (Corp Headquarters) 17425 Ne Union Hill Road Redmond WA 98052 Universal Fidelity Life Insurance Company 13931 Quail Pointe Dr Oklahoma City OK 73134 Universal Field Services Inc PO Box 35666 Tulsa OK 74153-0666 Universal Royalty Company Ltd PO Box 12167 Dallas TX 75225 University Auto Parts Inc 1370 West Main Street Sterling CO 80751 University Lands Accounting Office PO Box 553 Midland TX 79702-0553 University Lands Accounting Office PO Box 553 Midland TX 79702-0553 University Of Calgary 2500 University Dr Nw Calgary AB T2N 1N4 Canada Foundation - University Of Co University Of Colorado Anschutz Medical Campus 13001 E 17th Place Msa 065 Ste Wg112 Aurora CO 80045 University Of Colorado Cancer Center Dba Amc Cancer Research Center 13001 East 17th Place Ms F-500 Aurora CO 80045 University Of Mary Student Accounts Office 7500 University Dr Bismarck ND 58504 University Of Minnesota Cancer Center 319 15Th Ave Se Ste 451 Minneapolis MN 55455

University Of Minnesota-Duluth Department Of Chemistry 200 Oak St Se Ste 500 Minneapolis MN 55455 University Of Nebraska Foundation 1010 Lincoln Mall Ste 300 Lincoln NE 68508 1155 UNIVERSITY BLVD UNIVERSITY OF NEW MEXICO SOUTHEAST Albuquerque NM 87131 University Of North Dakota 264 Centennial Drive Stop 8356 Grand Forks ND 58202-8356 Energy & Environmental Research University Of North Dakota Attn: Diane Skean (Accounting) Center 15 North 23rd St Stop 9018 Grand Forks ND 58202-9018 University Of Oklahoma Foundation 307 West Brooks Room 105-K Norman OK 73019 University Of Texas At Dallas Candace Dominick M/S Wt11 800 W Campbell Rd Richardson TX 75080

University Of Texas At Dallas - Ms Sara Tier II Reporting 800 W. Campbell Road Richardson TX 75080 University Of The Ozarks End F 415 N College Ave Clarksville AR 72830 UNKNOWN COUNTERPARTIES Address Redacted Unknown Heirs Don C Chandler Address Redacted Unknown Heirs Erma K Matlock Address Redacted Unknown Heirs Jerry Ryan Address Redacted Unknown Heirs Karen Rosa Address Redacted Unknown Heirs Of Agnes Weibler Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 608 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 611 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Unknown Heirs Of Arthur Lewis Address Redacted Unknown Heirs Of Edwin Arndt Address Redacted

Unknown Heirs Of Harold R Rosebrugh **No Address*** Address Redacted Unknown Heirs Of James L Kelly Address Redacted Unknown Heirs Of Leonard H Ray Address Redacted Unknown Kodiak Owner Address Redacted Unknown Owners Address Redacted Unknown Weber 24-30-1H Royalty Owner Address Redacted Unkown Heirs Of Alyce Diede Address Redacted Unleased Federal Acreage DE Upland Exploration Inc 424 S. Main Street Boerne TX 78006

UPLAND EXPLORATION INC 3303 CYPRESS CREEK PKWY # 145 Houston TX 77068 Upper Missouri Ministries PO Box 111 Epping ND 58843 Ups Supply Chain Solutions PO Box 730900 Dallas TX 75373-0900 Ups Supply Chain Solutions Inc 28013 Network Place Chicago IL 60673-1280 Upstream Oil 1562 Main St Southlake TX 76092 Urban Peak Denver 2100 Stout St Denver CO 80205 Urie Rock Company 2424 E Main St Rangely CO 81648 Urie Trucking Inc 2424 East Main Street Rangely CO 81648 Urilla M Bowman & Graydon R Bowman Scholarship Fund C/O Jim Stogsdill 1729 Sw Macvicar Ave Topeka KS 66604 Ursa New Ventures LLC 1600 Broadway St Ste 2600 Denver CO 80202 URSA RESOURCES GROUP LLC ATTN: MATTHEW B. STEELE 602 SAWYER STREET SUITE 710 Houston TX 77007 Ursula G Lusk 2005 Trust Charles M Lusk Iii Ttee 3201 Kirby Tower Ste 500 Houston TX 77098 US Attorney's Office Southern District of Texas 1000 Lousiana, Ste 2300 Houston TX 77002 Us Bank Na, Sole Succ Trustee Hugh B Tinling Residuary Trust U/W/D June 16, 1950, C/O Bank Address Redacted Us Bank Na, Sole Succ Ttee Hugh B Tinling Residuary Tr U/W/D June 16, 1950 C/O Reid B Tinling, Ind & Ttee Reid B Tinling Lvg Tr Scottsdale AZ 85262 Us Department Of The Treasury Internal Revenue Service Cincinnati OH 45999-0009 Us Dept Of The Interior Blm White River Field Office 220 East Market Street Meeker CO 81641 US ENERGY DEVELOPMENT CORP 1521 N COOPER ST. STE 400 Arlington TX 76011 US OIL & REFINING CO 3001 MARSHALL AVE Tacoma WA 98421 Us Pressure Test Inc Box 167 Williston ND 58801 Us Ski Education Foundation PO Box 100 Park City UT 84060 US Steel Oilwell Services LLC 600 Grant St Ste 1381 Pittsburgh PA 15219 US Trustee Office of US Trustee Attn: Stephen Douglas Statham 515 Rusk Avenue Suite 3516 Houston TX 77002 Us Water Services 12270 43rd Street Ne St Michael MN 55376 Us West Communications Inc Centennial CO 80111 US/BLM 1849 C St NW Ste 5665 Washington DC 20240 US/Blm 1849 C Street Nw Room 5665 Washington DC 20240 US/Blm, Wyoming State Office 5353 Yellowstone Rd Cheyenne WY 82009 US/BLM, Wyoming State Office High Desert Disctrict Office 280 US Highway 191 Rock Springs WY 82901 US/BLM, Wyoming State Office High Plains District Offices 2987 Prospector Drive Casper WY 82064-2968 Wind River/Bighorn Basin District US/BLM, Wyoming State Office Office 101 South 23rd Street Worland WY 82401 US/Epa, Financial Responsibility, Epa Region Viii 1595 Wynkoop Street Denver CO 80202-1129 US/EPA, Financial Responsibility, EPA Region VIII Headquater 1200 Pennsylvania Avenue, N.W. Washington DC 20406 US/EPA, Financial Responsibility, EPA Region VIII Region 8 1595 Wynkoop St Denver CO 80202-1129 Usa Compression Partners Lp P O Box 974206 Dallas TX 75397-4206 USDA FOREST SERVICE FILE NO 71652 San Francisco CA 94160-1652 USDA FOREST SERVICE PO BOX 60000 San Francisco CA 94160-1652 Usg Properties Bakken Ii LLC 601 Travis Street Suite 1900 Houston TX 77002 USG PROPERTIES BAKKEN II LLC 601 TRAVIS STREET SUITE 1900 Houston TX 77002 Usi Advisors Inc 95 Glastonbury Blvd, Ste 102 Glastonbury CT 06033-6503 Uso PO Box 96860 Washington DC 20090-6860 UT Secretary Of States Office 350 State Capitol Building Salt Lake City UT 84114 Utah Division Of Corporations & UT Secretary Of States Office Commercial Code Box 146705 Salt Lake City UT 84114-6705 Utah Deaprtment of Commerce Consumer Protection Division 160 E 300 South Salt Lake City UT 84111 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 609 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 612 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Utah Deaprtment of Commerce Consumer Protection Division PO Box 146704 Salt Lake City UT 84114 Utah Department of Commerce Attn: Tom Brady Utah Division of Securities 160 E 300 South 2nd Floor Salt Lake City UT 84111 Utah Department of Environmental Quality PO Box 144810 Salt Lake City UT 84114-4810

UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY 195 N 1950 W Salt Lake City UT 84116 UTAH DEPARTMENT OF NATURAL RESOURCES, OIL, GAS AND MINING DIVISION 1594 WEST NORTH TEMPLE Salt Lake City UT 84116 Utah Department of Treasury Attn: David Damschen 350 N State Street Suite 180 Salt Lake City UT 84114 Utah Labor Commission Attn: Jaceson Maughan 160 E 300 South Suite 300 PO Box 146600 Salt Lake City UT 84111 Utah Occupational Safety and Health Administration Salt Lake City State Plan Office 160 E 300 South 3rd Floor PO Box 146600 Salt Lake City UT 84114

Utah Office Of The Attorney General Utah State Capitol Complex 350 North State St Ste 230 Salt Lake City UT 84114 Utah Office of the Attorney General Attn: Sean D. Reyes Herber M. Wells Building PO Box 140811 Salt Lake City UT 84114 Utah Office of the Attorney General Attn: Sean D. Reyes Utah State Capitol Complex 350 N State Street Suite 230 Salt Lake City UT 84114 Utah Office of the Attorney General Attn: Sean D. Reyes Utah State Capitol Office PO Box 142320 Salt Lake City UT 84114 Utah Petroleum Association 536 S 500 W Salt Lake City UT 84101-2210 Utah State Tax Commission 210 North 1950 West Salt Lake City UT 84134-0180 Utah State Tax Commission 210 North 1950 West Salt Lake City UT 84134-0266 Utah State Tax Commission 210 North 1950 West Salt Lake City UT 84134 Utah State Treasurer Utah Unclaimed Property Po Box 142321 Salt Lake City UT 84114-2321 Utah/Wyoming EEOC - Phoenix District Office Attn: Elizabeth Cadle 3300 N Central Avenue Suite 690 Phoenix AZ 85012 Utana Basins Oil Co Address Redacted Ute Indian Tribe Of The Uintah And Ouray Reservation PO Box 413022 Salt Lake City UT 84141-3022 Utilities Underground Location Center Po Box 3701 Seattle WA 98124-3701 V F Exploration Company PO Box 1889 Midland TX 79702 V Paul Unruh Address Redacted Vaaler Fam Tst Dtd 9-21-1989 Barbara Ann Vaaler Buchanan & James Raymon Valler Co Tstees Address Redacted Vaaler Family Trust Dtd 8-1-12 - James R & Lynn M Vaaler - Co-Trustees Address Redacted Vachal Barstad LLC 4742 119th Rd Nw Lot 423 Epping ND 58843 Vachal Barstad LLP 1012 17Th St W Williston ND 58801 Vachal Family LLLP Freda Vachal Gp 5030 100th Ave Nw White Earth ND 58794 Vac-U-Jet Septic And Sump Services Po Box 16748 Missoula MT 59808 Vadim Ceigerkansky Address Redacted Vadim Tsinker Address Redacted Vail Health Foundation PO Box 1529 Vail CO 81658 Vaira Properties 2535 Clearwater Way Billings MT 59105 Val B Barbian Address Redacted Val L Kuntz Address Redacted Valborg Anderson Address Redacted Valdus Energy LLC PO Box 372310 Denver CO 80237-9998 Valensay LTD Gonzalo Segnini 20807 Biscayne Blvd Aventura FL 33180 Valensay LTD Luis R. Mercado 9130 S. Dadeland Blvd Suite 1702 Miami FL 33156 Valensay LTD Sion Soffer 600 Parkview dr Apt 8715 Hallandale FL 33009 Valentina Exploration LLC 1676 County Road 100 Carbondale CO 81623 VALENTINA EXPLORATION LLC C/O DALE EUBANK 1676 COUNTY RD 100 Carbondale CO 81623 Valentine J Stockert Address Redacted Valera Graham-Gusto Address Redacted Valeria Coldewey Address Redacted Valeria K Eggert Address Redacted Valerie Ann Bergman Address Redacted Valerie Baker Williams Address Redacted Valerie Brablec Address Redacted Valerie Brant Address Redacted Valerie Cyrus-Henry Address Redacted Valerie Elizabeth Hughes Address Redacted Valerie Erickson Address Redacted Valerie G Bibow Address Redacted Valerie Gene Creech Address Redacted Valerie Gilmore Griess Heritage Trust Valerie Gilmore Griess-Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 610 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 613 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Valerie Hanson Address Redacted Valerie Hester Sloan Address Redacted Valerie K Bahm Address Redacted Valerie K Elliott Bannon And Mason Elliott Poa Address Redacted Valerie Mcgill Address Redacted Valerie N Hagen Address Redacted Valerie Sveinsson Address Redacted Valerie Vowles Address Redacted Valery Ann Campbell Address Redacted Valery Stockert Address Redacted VALHALLA NATURAL 26400 KUYKENDAHL RD STE C180 301 The Woodlands TX 77375 VALHALLA NATURAL RESOURCES 26400 KUYKENDAHL RD STE C180 301 The Woodlands TX 77375 Valhalla Natural Resources LLC 26400 Kuykendahl Rd Ste C180 301 The Woodlands TX 77375 VALHALLA NATURAL RESOURCES LLC 26400 KUYKENDAHL RD STE C180 301 The Woodlands TX 77375 Valiant Artifical Lift Solutions Llc One Leadership Square North Tower Oklahoma City OK 73102 211 N ROBINSON AVE STE VALIANT ARTIFICAL LIFT SOLUTIONS LLC ONE LEADERSHIP SQUARE NORTH TOWER 1301 Oklahoma City OK 73102 Valiant Artificial Lift Solutions, LLC Address Redacted 211 N ROBINSON AVE STE VALIANT ARTIFICIAL LIFT SOLUTIONS-8260 SOLUTIONS LLC ONE LEADERSHIP SQUARE NORTH TOWER 1301 Oklahoma City OK 73102 211 N ROBINSON AVE STE VALIANT ARTIFICIAL LIST SOLUTIONS SOLUTIONS LLC ONE LEADERSHIP SQUARE NORTH TOWER 1301 Oklahoma City OK 73102 VALIDUS SPECIALTY INSURANCE ON BEHALF OF VALIDUS SPECIALTY LLOYD'S SYNDICATE UNDERWRITING SERVICES, INC. 4 WORLD TRACE CENTER 150 GREENWICH STREET 47TH FLOOR New York NY 10007 Validus Specialty Insurance On Behalf Of Lloyd'S Validus Specialty Underwriting 150 Greenwich Street, 47th Syndicate Services, Inc. 4 World Trace Center Floor New York NY 10007 Valkyrie Resources 6885 South Pike Court Larkspur CO 80118 Valkyrie Resources Partners 6885 South Pike Court Larkspur CO 80118 Vallen Distribution Inc P O Box 404753 Atlanta GA 30384-4753 Valley Hardware Inc PO Box 309 Basin WY 82410 Valley M Robins Address Redacted Valley Ranch Real Estate Ltd 6800 Executive Court Midland TX 79707 Valley View Holdings LLLP 3549 Woodbury Court S Fargo ND 58103 Valor Energy Services LLC PO Box 817 Levelland TX 79336 Valorie Brunsch Address Redacted Valorie S & James Babb Joint Tenants Address Redacted Valoyce M Workin Address Redacted Vals Sanitation LLC 2175 South Main Dickinson ND 58601 Value Inc 250 Decker Dr Ste 200 Irving TX 75062 Valvesystems Inc 7502 S Willow Circle Centennial CO 80112-2721 Van Ackeren, John Address Redacted Van Gerszewski Kay Gerszewski Address Redacted VAN HOOK OIL AND GAS LLC C/O RAYMOND SCHMIDT 10788 68TH ST NW Tioga ND 58852 Van Hook Oil And Gas LLC C/O Raymond Schmidt 10788 68th St Nw Tioga ND 58852 Van L Rice Address Redacted Van Lith, David Address Redacted Van Thu Le Address Redacted Van Z Spence & Susan K Spence Address Redacted Vance J Graves Address Redacted Vance L Vickers Address Redacted Vandrehle, Brian Address Redacted Vanee Houssney Address Redacted Vanetta M Peterson Address Redacted Vangraefschepe Land LLC C/O Glenda R Bailey 4331 W 3rd St Greeley CO 80634 Vanguard Marketing Corporation 100 Vanguard Boulevard Malvern PA 19355 Vanguard Marketing Corporation Po Box 1170 Valley Forge PA 19482-1170 14321 N. Northsight Vanguard Marketing Corporation Attn: Ben Beguin Boulevard Scottsdale AZ 85260 Vanguard Natural Resources LLC 5847 San Felipe Suite 3000 Houston TX 77057 Vanguard Operating LLC PO Box 46094 Houston TX 77210 Vanita Sue Stone Address Redacted Vann, John Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 611 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 614 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Vanneisa Hartmann Address Redacted Vantage Exploration LLC PO Box 1673 Denver CO 80201 Vantage Resources Company LLC PO Box 1673 Denver CO 80201 Varel International Dept 3474 Po Box 123474 Dallas TX 75312-3474 Varel International Ind Lp PO Box 201900 Dallas TX 75320-1900 Varghese Mathew Address Redacted Varidesk LLC PO Box 3588 Coppell TX 75019 Varidesk LLC PO Box 660050 Dallas TX 75266 V-Arrow Energy LLC Tyler Vinje PO Box 1751 Bismarck ND 58502 Varyl Wayne Bingeman Address Redacted Vassie M Gammage Estate Louise E Gammage Address Redacted VASTAR 1560 BROADWAY, SUITE 2092 Denver CO 80202 vaughn astley Address Redacted Vaughn Concrete Products Inc 12650 Tucson St Henderson CO 80640 Vaughn Goulart Address Redacted Vaughn H Wilson Address Redacted Vaune Marie Johnson Address Redacted Vecta Oil And Gas Ltd PO Box 678319 Dallas TX 75267-8319 VECTOR SEISMIC DATA PROC INC 10370 RICHMOND AVE Houston TX 77042 Vectra Energy Op I-A LLC Address Redacted VECTRA ENERGY OPERATING I-A LLC ATTN: KEVIN HERINGER 2305 WEST BERRY AVENUE Littleton CO 80120 Veda Nicholsen Address Redacted Vedaa, Joshua Address Redacted Vedi, Puneet Address Redacted VEEAM PAYMENT SOLUTIONS 2005 MARKET STREET 14TH FLOOR Philadelphia PA 19103 VEEAM PAYMENT SOLUTIONS 2330 INTERSTATE 30 Mesquite TX 75150 Veeam Payment Solutions PO Box 5066 Hartford CT 06115-5066 Veeam Payment Solutions PO Box 5066 Hartford CT 06102-5066 Veeder Ranch Creations LLC 1958 104th Ave Nw Watford City ND 58854 Vegas Production Co 250 Fillmore St Ste 500 Denver CO 80206 Veldkamps Flowers Address Redacted Veldon D Blackburn Address Redacted Velma C Rogers Address Redacted Velma Lou & W Dean Marmon Address Redacted Velma Ortloff Address Redacted Velma Toy Address Redacted Velox Clearing LLC 2400 E Katella Ave Anaheim CA 92806 Ven Bakken LLC 3030 Nw Expressway Suite 1100 Oklahoma City OK 73112 Vendegnia, Michael Address Redacted Vendetta Royalty Partners Ltd PO Box 141638 Austin TX 78714-1638 Veneda & Gary Yeager J/T 11643 Round Tree Court Jurupa Valley CA 91752 Venetia Moore Address Redacted VENOCO INC 370 17TH STREET SUITE 3900 Denver CO 80202 VENOCO INC 370 17TH STREET SUITE 3900 Denver CO 80202 Ventora Corporation Address Redacted Venture Partners Ltd PO Box 203029 Dallas TX 75320-3029

Vera G Gardner Rev Tr The Gerber State Bank- Trustee Address Redacted Vera H Kite Address Redacted Vera Helferich Diane Bullinger Poa Address Redacted Vera Hetland Mary Van Eeckhout Aif Address Redacted Vera J Reed Address Redacted Vera Jean C Maxey Address Redacted Vera Joy Perrine Trust Dtd 5-10-1955, Trust #907380Ee Bank Of Oklahoma, Na Agent For U S Bank, Na, Sole Trustee Address Redacted Vera Kummer Gail M Wold Poa Address Redacted Vera L Kummer Mineral Trust Dtd 1/11/08 Vera L Kummer Trustee Address Redacted Vera M Pfeffer Address Redacted Verda Dool Williams Address Redacted Verdad Oil & Gas Corporation 5950 Cedar Springs Suite 225 Dallas TX 75235 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 612 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 615 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Verdad Oil & Gas Corporation 5950 Cedar Springs, Suite 225 Dallas TX 75235 VERDAD OIL & GAS CORPORATION 5950 CEDAR SPRINGS SUITE 225 Dallas TX 75235

VERDAD RESOURCES 5950 CEDAR SPRINGS RD STE 200 Dallas TX 75235 Verdad Resources LLC 5950 Cedar Springs Rd Ste 200 Dallas TX 75235

VERDAD RESOURCES LLC 5950 CEDAR SPRINGS RD STE 200 Dallas TX 75235 Verde Services LLC PO Box 144 Laurel MS 39441 Veriforce LLC PO Box 670634 Dallas TX 75267-0634 VERITAS TECHNOLOGIES LLC 2625 AUGUSTINE DRIVE Santa Clara CA 95054 Veritext Legal Solutions PO Box 71303 Chicago IL 60694-1303 Verizon Business Po Box 15043 Albany NY 12212-5043 Verizon Business Bankruptcy Administration 500 Technology Drive Suite 550 Weldon Spring MO 63304 Verizon Wireless Po Box 660108 Dallas TX 75266-0108 Verizon Wireless Bankruptcy Administration 500 Technology Drive Suite 550 Weldon Spring MO 63304 BANKRUPTCY ADMINISTRATION, 500 TECHNOLOGY DRIVE, SUITE VERIZON WIRELESS 550 Weldon Spring MO 63304 VERIZON WIRELESS PO BOX 660108 Dallas TX 75266-0108 Verlene M Mahlum Address Redacted Verlette Sjue Address Redacted Verlyn Peterson Address Redacted Vermaas Land Company LLC 1900 Sw 6th St Lincoln NE 68522 Vermont State Treasurers Office 109 State Street 4th Floor Montpelier VT 05609-6200 Vern & Juanita Neff Mineral Tr Dtd Dec 1, 2010 American State Bk & Tr Co, Trustee PO Box 1446 Williston ND 58802-1446 Vern R Fryer Address Redacted Verna Cowell Address Redacted Verna Hendrickson 210 Southeast Spokane St Portland OR 97202 Verna Jean Omelchuck Lvg Trust Verna Jean Omelchuck, Trustee Address Redacted Verna M Weiand Address Redacted Verna R Newcomb Address Redacted Verna Risku Address Redacted Vernal D Bakken Ronald Bakken, Poa Address Redacted Vernal Department Of Motor Vehicles 152 E 100 N Vernal UT 84078 Vernal Fire Extinguisher Address Redacted Vernal J Moorhead Address Redacted Vernell Haas Bozka Address Redacted Vernelle A Kabliska Address Redacted Vernetta F Moe L/E Address Redacted Vernetta M Bratcher Family Mineral Trust Connie R Boe- Quandt - Trustee Address Redacted Vernetta Olson Address Redacted Vernette R Evoniuk Trust Dtd 7/14/09 Vernette R Evoniuk, Trustee Address Redacted Vernice Marshall Address Redacted Vernice Senner Address Redacted Vernie J Berrier Address Redacted Vernon & Grace Lee Grandchildr Mineral Trust Udt Dtd 10/18/12 Cheryl Hagen & Jessica Carson Address Redacted Vernon & Karma Deane Owan Fam Trust Dtd 9-6-17- Karma Owen & Wendolyn Nolte - Co-Trustees Address Redacted Vernon & Madalyne Johnson Irrv Trst Larry Quamme & Bremer Tr Co Trustees C/O Bokf Na Agent Address Redacted Vernon A Klose Karen J Klose Jtwros Address Redacted Vernon A Schaffer Address Redacted Vernon Albert Klose Address Redacted Vernon Alg Address Redacted Vernon And Eileen Schuessler Address Redacted Vernon C Johnson & Kathleen A Johnson Address Redacted Vernon C Johnson & Kathleen A Johnson H/W & J/T Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 613 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 616 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Vernon Dale Payette Address Redacted Vernon E & Barbara J Stenberg Revocable Trust Dtd 6- 28-93 Barbara J Stenberg - Trustee Address Redacted Vernon Ellingson Address Redacted Vernon Entzel & Eileen Entzel H/W Address Redacted Vernon F & Diana L Kostelecky J/T Address Redacted Vernon F Kostelecky Address Redacted Vernon Homer Estate Address Redacted Vernon J Oster Address Redacted Vernon Jones Address Redacted Vernon K Klose Address Redacted

Vernon L Foster Jr Trust Lorna Matthiesen Suc-Trustee Address Redacted Vernon L Parenton Address Redacted Vernon L Parenton & Kathleen A Andrus JT Ten Address Redacted Vernon L Peterson Address Redacted Vernon M Kessel Address Redacted Vernon Owan First Intl Bank & Trust Address Redacted Vernon Polensky Address Redacted Vernon R & Sandra L Ellingson Joint Tenants Address Redacted Vernon Robinett Address Redacted Vernon Schmitt And Sheri L Schmitt Hw Address Redacted Vernon Schumacher Address Redacted Vernon Smith Address Redacted Vernon Stoner Address Redacted Vernon T James Address Redacted

Vernon W Kadrmas & Rosemary M Kadrmas - Life Estate Address Redacted Veronica Denise Wiley Address Redacted Veronica Elkins Address Redacted Veronica Hecker Address Redacted Verris G Magee Address Redacted Versa Energy LLC 3033 E 1st Ave Ste 305 Denver CO 80206 VERSA ENERGY LLC 3033 E 1ST AVE STE 305 Denver CO 80206 Vertical Transport North Inc 2125 1st Ave Sw Minot ND 58701 Vervon Minerals LLC 5627 111Th Ave Nw Ray ND 58849 Vess E Hurley And Sheyenne R Hurley Jtwros Address Redacted Vess M And Mary P Hurley Joint Tenants Address Redacted Vessco Inc 8217 Upland Circle Chanhassen MN 55317 Vesta Jean Harrison Shoults Address Redacted Vesta Kay Alexander Address Redacted Vesta LP PO Box 554 Clifton TX 76634 Veteran Hot Oil Service 520 26th Ave Nw Sidney MT 59270 Vetter, Sean Address Redacted Vf Limited Linda S Moreland, Aif P.O. Box 11984 Spring TX 77391-1984 Viann Arnold Address Redacted CREDIT SUISSE SECURITIES 7033 LOUIS STEVENS VICE PRESIDENT ANTHONY MILO (USA) LLC DRIVE GLOBAL PROXY SERVICES Research Triangl NC 27560 1200 CROWN COLONY VICE PRESIDENT ED CHANEY SSB - TRUST CUSTODY DRIVE Quincy MA 02169 MITSUBISHI UFJ TRUST & 1221 AVENUE OF THE VICE PRESIDENT EDWARD CAPLETTE BANKING CORPO AMERICAS 10TH FLOOR New York NY 10022 VICE PRESIDENT GIOVANNA LAURELLA BARCLAYS CAPITAL INC./LE 70 HUDSON STREET 7TH FLOOR Jersey City NJ 07302

VICE PRESIDENT JENNIFER MAY BNYMELLON/RE MIDCAP SPDRS 525 WILLIAM PENN PLACE Pittsburgh PA 15259 DEUTSCHE BANK AG NY/US VICE PRESIDENT JOHN BINDER CUSTODY 100 PLAZA ONE 2ND FLOOR Jersey City NJ 07311 BNYMELLON/RE CHARLES VICE PRESIDENT MICHAEL KANIA STANLEY AND COM 525 WILLIAM PENN PLACE Pittsburgh PA 15259 BNYMELLON/RE NATIXIS FIXED VICE PRESIDENT MICHAEL KANIA INCOME 525 WILLIAM PENN PLACE Pittsburgh PA 15259

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 614 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 617 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country BNYMELLON/RE THE VICE PRESIDENT MICHAEL KANIA PRUDENTIAL INVESTME 525 WILLIAM PENN PLACE Pittsburgh PA 15259

VICE PRESIDENT ROBERT MATERA WELLS FARGO BANK, N.A./SIG 1525 W W T HARRIS BLVD 1ST FLOOR Charlotte NC 28262-8522 KEYBANK NA/FBO TREASURER VICE PRESIDENT SCOTT MACDONALD OF STATE OF 4900 TIEDEMAN ROAD OH-01-49-310 Brooklyn OH 44144 Vici Kallevig Address Redacted Vickery Como LLC 333 Summerville Drive Madison MS 39110 VICKERY COMO LLC 333 SUMMERVILLE DRIVE Madison MS 39110 Vicki A Carney & Richard Carney Address Redacted Vicki Bock Address Redacted Vicki Chaifetz Address Redacted Vicki Cole Life Estate Address Redacted Vicki D Cole Address Redacted Vicki E Witt Address Redacted Vicki Haverberg Address Redacted Vicki Heim Address Redacted Vicki J & Michael D Johansen Jt Address Redacted Vicki J Talbott Address Redacted Vicki Jean Cook Address Redacted Vicki Julson Address Redacted Vicki L & Joachim Griffith Address Redacted Vicki L Bauer Address Redacted Vicki L Griffith Address Redacted Vicki L Hauge Address Redacted Vicki L Karuzas Address Redacted Vicki L Wright Address Redacted Vicki Labbe Poole Address Redacted Vicki Lynn Birdwell Address Redacted Vicki Mcniven Address Redacted Vicki Miller Address Redacted Vicki Moore Address Redacted Vicki Nesting Address Redacted Vicki R Bates Address Redacted Vicki Rae Blom Address Redacted Vicki S Bessette Address Redacted Vicki S Nakabayashi Address Redacted Vicki Thompson Address Redacted Vicki Waugh Eidman Address Redacted

Vicki Waugh Eidman Trust Vicki Waugh Eidman Trustee Address Redacted Vickie Ann Wagner Address Redacted Vickie Baxley Address Redacted Vickie Christopher Address Redacted Vickie Dore Address Redacted Vickie Fitzgerald Address Redacted Vickie Lyn Williamson Address Redacted Vickie Lynn Marie Moo Bank Of America Na Agent Address Redacted Vickie Paige Address Redacted Vickie R Borg Living Trust Dtd 07/15/13 Vickie R Borg & Lars J Borg Trustees Address Redacted Vickie R Riojas Address Redacted Vickie Rae Mccreless Address Redacted Vickie Stoermer Address Redacted Vicky Close Address Redacted Vicky J Mckinley Address Redacted Vicky J Ryles Address Redacted Vicky L Stenehjem Address Redacted Vicky Marie Judah Address Redacted Vicky Thorpe Address Redacted Victor & Doris Day Foundation Address Redacted Victor & Doris Janak Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 615 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 618 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Victor & Stacy Goulart Jt Address Redacted Victor C Mccrea, Jr Address Redacted Victor Charles Roeber Estate C/O James A Evans Jr Executor Address Redacted Victor E &Charlotte L Cymbaluk Revoc Mineral Trust Victor E Cymbaluk, Trustee Address Redacted Victor E Cymbaluk Address Redacted

Victor E Cymbaluk Mineral Tr Scott J Cymbaluk - Trustee Address Redacted Victor E Stanley Address Redacted Victor Evans Address Redacted Victor G Smith Address Redacted Victor Gaenzel Iii Address Redacted Victor Goulart Address Redacted Victor J Demaniow Address Redacted Victor Janak Individually Address Redacted Victor Joe Chaney Address Redacted Victor L Blake And Vivian E Blake Jtwros Address Redacted Victor L Mcmurry Address Redacted Victor R Gallagher Jr Address Redacted

Victor S Duletsky & Ann Duletsky, Joint Tenants For Life Address Redacted Victoria A Keller Address Redacted Victoria A Ladd Address Redacted Victoria A Warm Address Redacted Victoria Ann Muenchow Address Redacted Victoria County Address Redacted Victoria Dace Address Redacted Victoria Dishon Address Redacted Victoria Eidell Johnston Address Redacted Victoria Elaine Ocken Address Redacted Victoria Ellingson Address Redacted Victoria Joan Albert Address Redacted Victoria Keller Address Redacted Victoria L & Gerald L Spandel J/T Address Redacted Victoria L Loftis Address Redacted Victoria Lee Linda Heasley, Custodian Address Redacted Victoria N Enright Uwo Florence L Nimick Bny Mellon Na Trustee Address Redacted Victoria Orton Address Redacted Victoria P Neafus Address Redacted Victoria Schneider Address Redacted Victoria Schneider Life Estate Address Redacted Victoria Ulf Borneman Address Redacted Victoria Willard Address Redacted Victory Courier Inc Dba Velocity Courier Po Box 629 Denver CO 80201-0629 Vida L Shannon C/O Steven M Shannon Address Redacted Vida L Shannon Estate Steven M Shannon - Pr Address Redacted Videolink LLC 1230 Washington St West Newton MA 02465 Viersen Oil & Gas Co PO Box 702708 Tulsa OK 74170 VIERSEN OIL & GAS CO PO BOX 702708 Tulsa OK 74170 VIEW TOWNSHIP COMMISSION BOARD Address Redacted Vijaya Nunna Address Redacted Viki Rae Johnson Address Redacted Viking Energy LLC 2209 Grandview Drive East Garden City KS 67846 VIKING ENERGY LLC 2209 GRANDVIEW DRIVE EAST Garden City KS 67846 VIKING ENERGY LLC Attn: Marc E. Kliewer 1811 East Mary Street, Suite B Garden City KS 67846 Vikki L Anderson Address Redacted Vikki Lyn Frye Address Redacted Vilette Owen Address Redacted Villegas, Alejandro Address Redacted Vilma A Coplea For Life 8649 82nd Sw Mott ND 58646 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 616 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 619 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Vinaychandra Patel CUST for Sonali Patel UTXUTMA Address Redacted Vince Allen Mu 80 Program Ltd 8601 West Cross Drive F 5 208 Littleton CO 80123-0702 Vincent A Mangus Address Redacted Vincent A Rodakowski Jr Address Redacted Vincent B Weber Estate Address Redacted Vincent E & Beverly Folkedahl Trust Vincent & Beverly Folkedahl-Tr Address Redacted Vincent E And Beverly Folkedahl Address Redacted Vincent E Horne Address Redacted Vincent Family Trust Brian & Elaine Vincent Ttees Address Redacted Vincent Folkedahl Address Redacted Vincent George Stransky Jr Address Redacted Vincent Goulart Address Redacted Vincent Hunts Along Address Redacted Vincent J Pavlicek & Judith A Pavlicek Le/Jt Address Redacted Vincent Julson Address Redacted Vincent M Brigham Trust Address Redacted Vincent Melashenko Address Redacted Vincent T Dietz Address Redacted Vincent T Larsen Address Redacted Vincent Thomas Grimes Address Redacted Vincent Valloppillil Address Redacted Vindasius LLC Adam Vindasius 4250 N 21st St Coeur D'Alene ID 83815 Vinette Tichi PO Box 529 Woodinville WA 98072 Vinger Mineral Holdings LLC PO Box 1988 Williston ND 58802-1988 Vinita Wadhwani Address Redacted Vinnie Corp Address Redacted VINSON & ELKINS LLP FIRST CITY TOWER 1001 FANNIN STREET SUITE 2500 Houston TX 77002-6760 Vintage Oil & Gas LLC 4701 Marbella Cir Fort Worth TX 76126 VINTAGE OIL & GAS LLC 4701 MARBELLA DR Dallas TX 76126 Viola Blackerby Address Redacted Viola M Pennington Address Redacted Viola Mckay-Brewster C/O Francine Mckay Aif Address Redacted Violet C Stenehjem Address Redacted Violet Guadiz Address Redacted Violet Hall Address Redacted Violet I Paschke Trust Violet I Paschke Tte Address Redacted Violet L Ernst Address Redacted Violet L Olson Lvg Tr 9-25-98 Violet & M Willard Olson Ttees Randall Olson Aif Address Redacted Violet L Thomas Address Redacted Violet Olson Life Estate Randall Olson - Poa Address Redacted Violet Pavkovich Address Redacted Virgie Selvidge Address Redacted Virgil A Frink Address Redacted Virgil Burt Address Redacted Virgil E Shafer Jr Address Redacted Virgil G Peterson Address Redacted Virgil H Howell Address Redacted Virgil Matlack C/O Alta Naomi Matlack Address Redacted Virgil Rohr Address Redacted Virgil Rubey Family Mineral Tr Dtd 3-18-03 Gary Rubey - Trustee Address Redacted Virgil S Koppes Address Redacted Virgil Schumacher Address Redacted Virgil Vandeberg Address Redacted Virginia & Rex Herring Address Redacted Virginia A Hahn Address Redacted Virginia A Noble Address Redacted Virginia B Pelletier Trust Virginia B Pelletier Trustee Address Redacted Virginia Baker Address Redacted Virginia C Mastel Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 617 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 620 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Virginia Catherine Signorotti Address Redacted Virginia D Rindahl Address Redacted Virginia Degolyer Maxson C/O John S Maxson Address Redacted Virginia Ellen Erickson Address Redacted Virginia Elliot Address Redacted Virginia Fettig Address Redacted Virginia Fisher Address Redacted Virginia Gagliardi Address Redacted Virginia Greer Address Redacted Virginia H Anderson Address Redacted Virginia Holland Address Redacted Virginia L Parker Address Redacted Virginia L Schneider Address Redacted Virginia L Shaw Trust F Arnold Shaw Trustee Address Redacted Virginia Loffelmacher C/O Cameron Charles Loffelmacher - Poa Address Redacted Virginia M & Kincaid Davidson As Joint Tenants Address Redacted Virginia M Davidson Address Redacted Virginia M Evens Ttee Randy N & Virginia M Evens Family Living Revocable Trust Address Redacted Virginia M Herreid Address Redacted Virginia M Husman Minerals LLC Address Redacted Virginia M Niles Address Redacted Virginia M Stohr Address Redacted Virginia Mcdonald Miller Trust Address Redacted

Virginia Mcginnis Life Estate Remainder Jason Mcginnis Address Redacted Virginia Murphy C/O R S Trippet Address Redacted VIRGINIA NOBLE Address Redacted Virginia P Simon Address Redacted Virginia R Grimestad Address Redacted Virginia R Ohare Address Redacted Virginia R Smith Address Redacted Virginia Reed Address Redacted Virginia S Schumacher Address Redacted Virginia Schillinger Address Redacted Virginia Schreiner Address Redacted Virginia Sillerud Address Redacted Virginia Simmons Address Redacted Virginia Sondrol Address Redacted Virginia Sticka Address Redacted Virginia Tabatt Address Redacted Virginia Waite-Hudiburgh Address Redacted Virginia White Address Redacted Virginias Cleaning Service 1400 W 19th Odessa TX 79763 Virile Electric Inc 410 Lawson Ave Worland WY 82401 Virtual Materials Group Usa 17171 Park Row Suite 273 Houston TX 77084 Virtual Materials Group Usa Address Redacted Vishin H. Wadhwan and Vinita Wadhwani Address Redacted Vision Financial Markets LLC Ana Martinez 120 Long Ridge Road 3 North Stamford CT 06902 Vision Financial Markets LLC Ana Martinez Associate Vice President 4 High Ridge Park Stamford CT 06804 Vision Financial Markets LLC Ana Martinez Corporate Actions 4 High Ridge Park Stamford CT 06804 Vision Natural Resources LP PO Box 8105 Midland TX 79708-8105 VISION NATURAL RESOURCES LP PO BOX 8105 Midland TX 79708-8105 Vision Service Plan - Ct PO Box 742788 Los Angeles CA 90074-2788 VISION SERVICE PLAN INSURANCE CO. (VSP) 3333 QUALITY DRIVE Rancho Cordova CA 95670 Visionary Communications Inc PO Box 2799 Gillette WY 82717-2799 Vitalijs A Neverdasovs Address Redacted VITESSE 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE ENERGY 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE ENERGY 9200 E MINERAL AVE STE 200 Centennial CO 80112 Vitesse Energy LLC 9200 E Mineral Ave Ste 200 Centennial CO 80112 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 618 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 621 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country VITESSE ENERGY LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE ENERGY LLC VITESSE OIL LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE ENERGY LLC VITESSE OIL LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 Vitesse Energy, LLC 9200 E Mineral Ave Ste 200 Centennial CO 80112 VITESSE ENERGY, LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE OIL 9200 E MINERAL AVE STE 200 Centennial CO 80112 Vitesse Oil LLC 9200 E Mineral Ave Ste 200 Centennial CO 80112 VITESSE OIL LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 VITESSE OIL LLC VITESSE ENERGY LLC 9200 E MINERAL AVE STE 200 Centennial CO 80112 Vivian A Klein Address Redacted Vivian A Marker Address Redacted Vivian Bauer Address Redacted Vivian Blanche Joseph Janice V Joseph & Tamara J Johnson - Aif Address Redacted Vivian E Moe Address Redacted Vivian E Stewart Revoc Trust Phyllis E Jacob, Trustee C/O Bokf, Na Dba Bank Of Texas Address Redacted Vivian E Stewart Trust Fbo Phyllis E Jacob Trustee C/O Bokf,Na Address Redacted Vivian F Meyer Address Redacted Vivian M Volk Address Redacted Vivian Meyer Revocable Trust Dtd 10-14-13 - Vivan F Meyer - Trustee Address Redacted Vivian Van Sickle Morales Address Redacted Vivid Learning Systems Inc PO Box 809321 Chicago IL 60680-9321 Vivien Lambeth Address Redacted Vivienne De Yarman N Mcgehee Address Redacted Vjdp Limited C/O Michael L Pederson Esq 5809 E Ida Place Greenwood Village CO 80111 Vjdp Ltd C/O Michael Pederson, Esq 8505 E Temple Dr Unit 458 Denver CO 80237-2542 Vlmc Jv 3045 Lackland Rd Ft Worth TX 76116 VMWARE, INC 3401 HILLVIEW AVE Palo Alto CA 94304 VMWARE, INC 3401 HILLVIEW AVE Palo Alto CA 94304 VMWARE, INC (PURCHASED CARBON BLACK) 3401 HILLVIEW AVE Palo Alto CA 94304 Voca Missionary Society 2448 East 81st Suite 4950 Tulsa OK 74137 Voeller, Dustin Address Redacted Vola Vale Horst Rev Family Tr Address Redacted Volesky Fm Land Tr Dtd 5-30-03 Roger V Volesky & Richard H Volesky Trtees Address Redacted Volesky Holdings LLC 210 4th St Ne Belfield ND 58622 VOLESKY HOLDINGS LLC 210 4TH ST NE Belfield ND 58622 Volkmar Vonhagke C/O John F Callan, Folley & Lardner LLP 777 E Wisconsin Ave Milwaukee WI 53202-5306 Volumetrics PO Box 501 Mountain View WY 82939 Volunteers For Outdoor Co 600 S Marion Pkwy Denver CO 80209 Volz, Danny Address Redacted Von Johnson Welding Inc Address Redacted Von T Johnson & Noreen B Johnson Address Redacted Von W Ortiz And Vikki Schenck Ttees Of Elizabeth A Ortiz Trust 02/14/2010 Address Redacted Vona E Cochrane Address Redacted Voncile Green Address Redacted Vonda Siira Address Redacted Vondal Brown Reed Address Redacted Vonnedella F Hoffmann Address Redacted Vonnie Andrews Address Redacted Vonnie Thorson Address Redacted Voss, Kathlyn Address Redacted Voyager Oil & Gas Inc Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 619 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 622 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Vrf Investments LLC PO Box 5516 Grand Forks ND 58206 Vrooman Consulting Inc 12 Hackberry Lane Houston TX 77027 Vrooman Energy LLC 109 Charleston Blvd Isle Of Palms SC 29451 VROOMAN ENERGY LLC 109 CHARLESTON BLVD Isle Of Palms SC 29451 Vs Overbar LLC 4468 118th Ave Nw Watford City ND 58854 Vsweet Investments LLC 5521 Rebecca Blvd Kenner LA 70065 Vu Ryte Address Redacted W & A Wold Minerals Trust Address Redacted W & V Olson Family Minerals Enterprise LLLP Address Redacted W Allene Smith Address Redacted W C Blanks Address Redacted W C Pannell Address Redacted W Claude Hawkins Address Redacted W D Anderson & Sons Address Redacted W D Holley Address Redacted W D Kvinta Address Redacted W E West Revocable Trust Dennis K West Trustee Address Redacted W Elizabeth C Bradshaw Estate Richard J Bradshaw Per Rep Address Redacted W Energy Operating LLC 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219

W ENERGY OPERATING LLC 3811 TURTLE CREEK BLVD STE 550 Dallas TX 75219 W G Cole Jr Address Redacted W G Harveycutter C/O C L Pattison Jr Address Redacted W H Cardwell C/O Milton Cardwell Jr Address Redacted

W H Cardwell Family Trust Margaret Kathleen Card Ttee Address Redacted W H Dunnell Address Redacted W H Gilmore & Katherine Gilmore (Le) Address Redacted W H Riggs Address Redacted W H Seals Address Redacted W J Flannigan Address Redacted W Joris Brinkerhoff 6580 Holman Street Suite 104 Arvada CO 80004-3505 W K Rogers LP A Limited Partnership C/O John Rogers President Address Redacted W K Royalty C/O Stanley Ward Treas/Sec 6367 Deframe Way Arvada CO 80004 W Kirk Baker Address Redacted W L Braun Oil Properties Trust Lucille Braun Successor Ttee Address Redacted W L Neu Construction Inc PO Box 461 Fairview MT 59221 W L Simpkins Jr & G V Simpkins JT Ten Address Redacted W M Crockett Address Redacted W M Haggard, Jr Trust Fbo Andrew B Haggard Address Redacted W M Haggard, Jr Trust Fbo Benjamin P Haggard Address Redacted W M Harrington Minot ND

W NORTH FUND 3811 TURTLE CREEK BLVD STE 550 Dallas TX 75219 W North Fund Ii LP 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219

W NORTH FUND II LP 3811 TURTLE CREEK BLVD STE 550 Dallas TX 75219

W NORTH FUND III 3811 TURTLE CREEK BLVD STE 550 Dallas TX 75219 W North Fund Iii LP 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219

W NORTH FUND III LP 3811 TURTLE CREEK BLVD STE 550 Dallas TX 75219 W North Fund LLC 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219 W R Andrews Address Redacted W R Everett Trustee Address Redacted W R Marshall Ii Address Redacted W Resources LLC 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219 W Richard Moore Trust Dtd July 30, 2013 Address Redacted W Ross Mussina Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 620 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 623 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country W Roy Wright Iii Address Redacted W S Raymond Trust Address Redacted W Seymour Lacy Address Redacted W V Deleen Estate C/O Mark E Hanson Address Redacted W W Scott Family Corporation Address Redacted W W Wakefield Grandchildren Tr Phyllis R Wakefield Trustee Address Redacted W W Wisdom Estate C/O Omb Royalties I LLC 410 17th Street #1150 Denver CO 80202 W&L Page Investments LP 1718 Woodridge Abilene TX 79605 W. J. Allison Jr Estate C/O Sybil R Allison Doherty Ind Exec Address Redacted W. Sanford Dale Address Redacted W.B. Hinkel Address Redacted W2 Investment Partners L P PO Box 12267 Dallas TX 75225 Wabash Inc 2035 Swithgrass Court Helena MT 59601 Waddell Countryman Trust Acct No 2500 9161 23 Bank One Texas Na Trustee Address Redacted Wade A & Bonita Northrop Address Redacted Wade A Lee Address Redacted Wade A Smith And Melissa C Smith Jts Address Redacted Wade Alan Smith Address Redacted Wade And Peggy S Sundby Joint Tenants Address Redacted Wade Ash Woods Hill & Farley Pc Address Redacted Wade B Wold And Dana J Wold Jt Address Redacted Wade C Lewis Address Redacted Wade Choate Address Redacted WADE E CASTOR Address Redacted Wade J Halverson Address Redacted Wade Kadrmas Address Redacted Wade O Arnegard Jr Address Redacted Wade S Hurley Twila Hurley Address Redacted Wade W Kiamas Address Redacted Wade W Leer & Belva K Leer Address Redacted Wade Works LLC PO Box 84 Buffalo SD 57720 Wade, Trenton Address Redacted Wadi Petroleum, Inc 13231 Champion Forest Dr Ste 401 Houston TX 77069 Waggoner, Kyle Address Redacted Wagih R Mando Address Redacted Wagner & Brown Ltd PO Box 1714 Midland TX 79702 Wagner Harmon c/o Jones, Gillaspia & Loyd LLP Attn: John Bruster Loyd 4400 Post Oak Parkway Suite 2360 Houston TX 77021 Wagner Living Trust 3-11-14 Marilyn R & Louis A Wagner Trustees Address Redacted Wagner Royalties LLC C/O Todd Kraft Address Redacted Wagstaff Crane Service LLC 4595 South 2770 East Salt Lake City UT 84117 Wahlstrom Family Minerals Trst Craig Wahlstrom Trustee Renae Riggins Trustee Address Redacted Waikiki Partners LP PO Box 2127 Midland TX 79702-2127 Wake Family Lvng Trust Address Redacted Walbet Inc 412 S Main Ave Monahans TX 79756 Walfrid B Hankla Address Redacted Walker Royalty LP Address Redacted Walker, Brendon Address Redacted Walker, Jory Address Redacted Walker, Thornton Address Redacted Walla Family Revocable Trust Ann Walla Emanuels Trustee Address Redacted Wallace & France Natwick Family Trust Dated 08/19/04 First Intl Bk & Tr Trustee Address Redacted Wallace & Willadean Johnson Tr Address Redacted Wallace Crawford Address Redacted Wallace D Tweden 1991 Rev Trst WaLLCe D Tweden Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 621 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 624 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Wallace Dean Keslar & Shona Keslar H/W Address Redacted Wallace F Charlson Address Redacted Wallace Family Partnership LP 508 W Wall #1200 Midland TX 79701 WALLACE FAMILY PARTNERSHIP LP Address Redacted Wallace L Finney Address Redacted Wallace L Herreid C/O Troy Herreid, Conservator Address Redacted Wallace Patrick Bergeron Address Redacted Wallace R Mross & Marriann Mross Address Redacted Wallace Stommes And Diane Stommes Jts Address Redacted Wallace Tweden Address Redacted Wallace Wierson Address Redacted Walls Oilfield Services Inc PO Box 484 Altamont UT 84001 Wally Yoost Address Redacted Wallys Equipment Incorporated 107 S Slaughter Sundown TX 79372 Walter & Martha Niehoff Revoc Lvg Tr Dtd 12/5/2006 William V Niehoff & Margaret Address Redacted Walter A & Susan Link Life Estate Address Redacted Walter A Erickson Trust Address Redacted Walter A Heward Address Redacted Walter A Krakauskas Address Redacted Walter A Link Bypass Trust Address Redacted Walter A Link Bypass Trust Dtd 1-19-2000 Susan M Link - Trustee Address Redacted Walter A Ohmart Address Redacted Walter A. Link & Susan M. Link Family Mineral Tr, Walter A. Link Address Redacted Walter B Worley Life Estate Address Redacted Walter C Kamp Address Redacted Walter D & Marjorie Parks Le Address Redacted Walter Duncan Oil LLC PO Box 467 Oklahoma City OK 73101-0467 Walter Dutke & Robert Address Redacted Walter E Johnson Jr Address Redacted Walter Erickson Jr Address Redacted Walter F Brown Address Redacted Walter F Marten Agent And Aif Address Redacted Walter Franklin Butcher Jr Address Redacted Walter H Kilzer Address Redacted Walter J Atchison & Diane C Atchison Address Redacted Walter J Mcmullan & Susan Mcmullan J/T Address Redacted Walter Johnson Deceased Address Redacted Walter L Mcnutt Address Redacted Walter Lee Davis Address Redacted Walter Moskal And Patricia Moskal Address Redacted Walter Patrick Dschaak Address Redacted Walter R Berard Address Redacted Walter R Darr Address Redacted Walter R Evens Address Redacted Walter R Langved L/E Address Redacted Walter Rockvoy Address Redacted Walter Romo Julia R Belcher Poa Address Redacted Walter V Evoniuk Address Redacted Walter Ventress LLC Attn: Mr. Walter F Spence Iii Manager Address Redacted Walter W Niehoff Address Redacted Walter W Polanchek Address Redacted Walter, Kristofer Address Redacted Walter, Ryan Address Redacted Walter, Sean Address Redacted Walters, Monique Address Redacted Walton S Russell Jr Address Redacted Walton Unknown Interest Address Redacted Walton, Douglas Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 622 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 625 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Walvin W Gross Address Redacted Wammen, Tate Address Redacted Wanda Annett Ruff Address Redacted Wanda Bruins Holmen Address Redacted Wanda D Shosky Burnet A Shosky Jr, Aif Address Redacted Wanda E Brown Address Redacted Wanda Ellingson Address Redacted Wanda Faulkner Address Redacted Wanda Hoelscher Address Redacted Wanda J Miller Address Redacted Wanda J Person Address Redacted Wanda J Taylor Address Redacted Wanda Jean Olson Address Redacted Wanda Keel Address Redacted Wanda Lou Arlington Address Redacted Wanda Lower Address Redacted Wanda M Behrman Address Redacted Wanda M Keel Estate Kathy L Keel - Pr Address Redacted Wanda M Miller Address Redacted Wanda Monson Francis Monson Address Redacted Wanda Olsen Address Redacted Wanda Schroeder Address Redacted Wanda Stough Address Redacted Wanda Tofte Address Redacted Wanner, Cory Address Redacted War Consulting Inc 587 Rd 2900 Aztec NM 87410 WAR CONSULTING, INC. #587 RD 2900 Aztec NM 87410 WAR CONSULTING, INC. #587 RD 2900 Aztec NM 87410 WAR Consulting, Inc. Attn: Dinky Jackson 587 RD 2900 Aztec NM 87410 War Pony Land & Energy LLC 1419 2nd Ave Sw Minot ND 58701 Warbonnet Construction Inc 1613 Pelican Lakes Point, Ste 102 Windsor CO 80550 9101 WEST FULLERTON AVE, WARCO OIL OFFICE 1? Franklin Park IL 60131 Ward And Mary Mendenhall, Jt'S 36193 Timberlane Rd Ronan MT 59864 Ward County PO Box 290 Monahans TX 79756 c/o Linebarger Goggan Blair & 112 E Pecan Street, Suite Ward County Sampson, LLP Attn: Don Stecker 2200 San Antonio TX 78205 Ward County Tax Office Ward County Courthouse 400 S Allen Ste 102 Po Box 290 Monahans TX 79756 Ward County, TX Treasurer 400 South Allen Suite 302 Monahans TX 79756 Ward L Sanderson Address Redacted Ward M Haggard Jr C/O Haggard Oil & Gas PO Box 155 Marble Falls TX 78654 Ward M Haggard Oil & Gas Expl PO Box 155 Marble Falls TX 78654 Ward M Kirby Trust B Virginia & Jeffrey Kirby Co-Tt Address Redacted Ward McNeilly & Eugenia McNeilly JT TEN Address Redacted Ward N Adkins Jr Address Redacted Ward S Enger Address Redacted Ward, Casey Address Redacted Warmsprings Rehab Found., Inc PO Box 100145 San Antonio TX 78201 Warner Linehan Address Redacted Warren B Steiner Address Redacted Warren B Stevens Address Redacted Warren Beckman Geri Beckman Poa Address Redacted Warren Boyea Estate C/O Gary Wilbur Address Redacted Warren Curg Johnson Address Redacted Warren E & Judith A Johnson Address Redacted Warren E Erickson Address Redacted Warren Edward Shafer Estate Address Redacted Warren F Mcclelland Address Redacted Warren G & Ramona R Olson Rev Living Tr Dtd 5-21-97 David A Olson - Trustee Address Redacted Warren G Olson Address Redacted Warren Gene Larson Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 623 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 626 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Warren H Fosholdt Address Redacted Warren H Fosholdt Estate Ben E Ferguson - Pr Address Redacted Warren J Jones Address Redacted Warren John Andriash Address Redacted Warren Kellam Address Redacted Warren L Gray Address Redacted Warren L Tvenge Address Redacted Warren M Dansie & Kristina Dansie JT Ten Address Redacted Warren Renbarger Address Redacted Warren Shaw C/O Chartered Bank Of London Address Redacted Warren Ventures Ltd Address Redacted Warren Village Address Redacted Warren W Danielson Address Redacted WARREN WELL SERVICE LLC 3734 162ND AVE NW Fairview MT 59221-9479 Warwick-Ares LLC F/K/A Riverbend Expl & Prod 6608 N Western Ave Box 417 Oaklahoma City OK 73116 595 SOUTH RIVERWOODS WASATCH DEVELOPMENT COMPANY PARKWAY, SUITE 400 Logan UT 84321 Washakie County Solid Waste Disposal District #1 101 Recovery Rd Po Box 1411 Worland WY 82401 Department Of Revenue Unclaimed Washington State Property Section Po Box 34053 Seattle WA 98124-1053 Wasim E Hindi Address Redacted Waste Management Of Colorado Po Box 7400 Pasadena CA 91109-7400 Waste Management Of Colorado Inc 5500 S Quebec St Suite 250 Greenwood Village CO 80111 Watch Tower Bible & Tract Society Of Pennsylvania 625 Red Mills Road Wallkill NY 12589-3292 Waterfield-Orley, Jonathan Address Redacted WATERLOGIC 3175 BASS PRO DR Grapevine TX 76051-1987 Waterlogic PO Box 677867 Dallas TX 75267-7867 Waters & Waters Services Inc PO Box 12730 Odessa TX 79768 Watford City Area Chamber Of Commerce Po Box 458 Watford City ND 58854 Watford City Figure Skating Club C/O Eva Hepper 3522 105th Ave Nw Keene ND 58847 Watford City Lions Club PO Box 1659 Watford City ND 58854 Watford City Lumber Inc 1504 4th Ave Ne Watford City ND 58854 Watford City Park District Rough Rider Center Po Box 1739 2209 Wolves Den Parkway Watford City ND 58854 Watford City Parks And Recreation 124 3rd Street Se Watford City ND 58854 Watford City Police Foundation PO Box 1948 Watford City ND 58854 Watford City Rural Fire Department 204 Ne 3rd Ave Po Box 549 Watford City ND 58854 Watson Family Trust Leslee E Smith Trustee Address Redacted Watson Well Solutions PO Box 2689 Watford City ND 58854 Watson Well Solutions LLC PO Box 2689 Watford City ND 58854 Watson, Amy Address Redacted Waukesha-Pearce Industries Inc PO Box 204116 (Remit To) Aba 121000248 Dallas TX 75320-4116 WAVELAND BAKKEN HOLDINGS 1000 TEXAN TRAIL STE 280 Grapevine TX 76051 Waveland Bakken Holdings LLC 1000 Texan Trail Ste 280 Grapevine TX 76051 WAVELAND BAKKEN HOLDINGS LLC 1000 TEXAN TRAIL STE 280 Grapevine TX 76051 WAVELAND BAKKEN PARTNERS 1000 TEXAN TRAIL STE 280 Grapevine TX 76051 Waveland Bakken Partners I LLC 1000 Texan Trail Ste 280 Grapevine TX 76051 WAVELAND BAKKEN PARTNERS I LLC 1000 TEXAN TRAIL STE 280 Grapevine TX 76051 WAVELAND BAKKEN PARTNERS LLC 1000 TEXAN TRAIL STE 280 Grapevine TX 76051 Waverly Hagen Address Redacted Wayne & Barbara Johnson Jt Address Redacted Wayne & Carol Vandamme Trust Address Redacted Wayne & Gilda Garaas Family Trust First Western Bank & Trust Address Redacted Wayne & Jo Ann Moore Charitable Foundation 403 North Marienfeld Midland TX 79701 Wayne A & Konni R Bohrer Address Redacted Wayne A Austin Address Redacted Wayne A Bissett Address Redacted Wayne A Rasanen Address Redacted Wayne A Schall Address Redacted Wayne A Stroup Garrison State Bank & Trust A-I-F Address Redacted Wayne B & Cynthia L Sorenson Joint Tenants Address Redacted Wayne Betts Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 624 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 627 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Wayne C Knudsen & Janice E Knudsen Address Redacted Wayne C Sigmon Address Redacted Wayne Clark Address Redacted Wayne Cyril Vandeberg Address Redacted Wayne D & Linda M Kannberg Life Estate Address Redacted Wayne D Foss & Marilyn D Foss, J/T Address Redacted Wayne D Kline & Laura M Kline, H/W Address Redacted Wayne D Kubas Address Redacted Wayne D Kubas And Marla B Kubas J/T Address Redacted Wayne D Morrill & Shirley R Morrill J/T Address Redacted Wayne D Pagel Address Redacted Wayne D Scanlan Life Estate Address Redacted Wayne Davison Address Redacted Wayne Douglas Reynolds Address Redacted Wayne Enterprises Inc Address Redacted Wayne F Rademaker Address Redacted Wayne Foss Address Redacted Wayne Graham Address Redacted Wayne Hauge Address Redacted Wayne Ivan Smith Address Redacted Wayne J And Susan G Carlisle Address Redacted Wayne J Chase Address Redacted Wayne K Darge Address Redacted Wayne L Borstad Address Redacted Wayne M Hamersly Address Redacted Wayne M Jones Address Redacted Wayne M Kostelecky Address Redacted Wayne M Obrien Address Redacted Wayne Mathison Address Redacted Wayne Newkumet Profit Address Redacted Wayne Opperud Address Redacted Wayne R Brown Address Redacted Wayne R Foss Address Redacted Wayne Richard Dahl Address Redacted Wayne Ross Address Redacted Wayne Rossmiller Address Redacted Wayne S Burmeister Address Redacted Wayne Sanford Address Redacted Wayne Shervey Address Redacted Wayne Sorenson Address Redacted Wayne Strand Address Redacted Wayne Wandersee Address Redacted Wayne Wanous Address Redacted Waynes Trucking Inc 10436 31st St Nw Keene ND 58847 Waynette Gaunt Address Redacted Wb Johnson Instruments LLC 4083 E 600 N Rigby ID 83442 Wb Oil LLC 16420 53rd Street Sw Golva ND 58632 Wb Royalty LP PO Box 2293 Billings MT 59103-2293 Wb Supply LLC PO Box 206620 Dallas TX 75320-6620 Wba Resources LP PO Box 50468 Midland TX 79710 Wbi Energy Corrosion Services 1250 West Century Ave Bismark ND 58503 Wbi Energy Corrosion Services PO Box 5601 Bismarck ND 58506-5601 Wbi Energy Midstream LLC 1250 West Century Ave Bismarck ND 58506 WBI ENERGY MIDSTREAM LLC 1250 WEST CENTURY AVENUE Bismarck ND 58503 WBI ENERGY MIDSTREAM, LLC 1250 WEST CENTURY AVENUE Bismarck ND 58503 Wbi Energy Transmission Inc PO Box 5601 Bismarck ND 58506-5601 Wbj Investment Corp 2627 South Lamb #173 Las Vegas NV 89121-1839 Wbr Petroleum LLC PO Box 10428 Midland TX 79702 Wc Edc C/O Mckenzie County Veterans Services Po Box 1036 Watford City ND 58854 Wd Brewer Trust Deeann V Hall - Trustee Address Redacted Wd O&G Tx LP PO Box 916107 Fort Worth TX 76191-6107 Wealth Properties, Inc 1388 Sutter St., Ste. 730 San Francisco CA 94109-5437 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 625 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 628 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Weatherford Artificial Lift Systems Inc Po Box 301003 Dallas TX 75303 WEATHERFORD LABORATORIES INC 16161 TABLE MOUNTAIN PKWY Golden CO 80403 Weatherford Us Lp PO Box 301003 Dallas TX 75303-1003 WEATHERFORD US LP-6185 PO BOX 301003 Dallas TX 75303-1003 Weavers Services LLC 4464 E Sparling Road Kingsley MI 49649 Webb, Scott Address Redacted Webber, Mary Address Redacted Weber, Russell Address Redacted Weda P Watts Address Redacted Wedbush Securities Inc 1000 Wilshine Blvd Ste 850 Los Angeles CA 90017 Wedbush Securities Inc. Alan Ferreira P.O. Box 30014 Los Angeles CA 90030 Wedbush Securities Inc. Donna Wong 1000 Wilshire Blvd Los Angeles CA 90030 Wedbush Securities Inc./P3 Alan Ferreira 1000 Wilshire Blvd Suite #850 Los Angeles CA 90030 Wedontwaste Inc 5971 Broadway Denver CO 80216-1026 Weed-Blaster 611 9th Ave E Dickinson ND 58601 Weibin Huang Address Redacted Weidler, Jordan Address Redacted

Weiner 2013 Management Trust Anita Weiner - Trustee Address Redacted Weiner Family Mineral Interest Trust C/O Bob Dillard Address Redacted Weingarten, David Address Redacted Weir Kyle Address Redacted Weiren Ding Address Redacted Weishaar, Kent Address Redacted Weishoff, Mark Address Redacted Weiss LP PO Box 671 Bismarck ND 58502 Weisser Oil LLC 1111 Caroline Street #3003 Houston TX 77010 WEISSER OIL LLC 1111 CAROLINE STREET #3003 Houston TX 77010 Weisz, Justin Address Redacted Welborn Sullivan Meck & Tooley PC 1125 17th St Suite 2200 Denver CO 80202 Welch, Randall Address Redacted Weld County Attn: Janet Lundquist Department Of Public Works 1111 H Street PO BOX 758 Greeley CO 80632

WELD COUNTY DEPARTMENT OF PUBLIC WORKS ATTN: JANET LUNDQUIST 1111 H STREET PO BOX 758 Greeley CO 80632 Weld County C/O Board Of County Comm 1150 O Street P O Box 758 Greeley CO 80632 WELD COUNTY CO P.O. BOX 458 Greeley CO 80632 Weld County Damage Prevention Council 501 N Division Blvd Platteville CO 80651

Weld County Dept Of Planning Services Building Inspection Division 1555 N 17th Ave Greeley CO 80631 Weld County Government PO Box 458 Greeley CO 80632-0458 Weld County Oil & Gas Energy Department 1301 N 17th Ave Greeley CO 80631 Weld County Oil And Gas Energy Department 1301 N 17th Ave Greeley CO 80631 Weld County Public Works 1111 H Street Greeley CO 80631 WELD COUNTY PUBLIC WORKS DEPARTMENT P.O. BOX 758 Greeley CO 80632 Weld County Recorder PO Box 459 Greeley CO 80632-0459 Weld County School Dist Re-11 Aka Prairie School Dist Re-11J Succ To Weld County School District No 93 42315 Wcr 133 Po Box 68 New Raymer CO 80742 Weld County Treasurer 1400 N 17th Ave Greeley CO 80631 Weld County Treasurer PO Box 458 Greeley CO 80632 Weld County, Colorado PO Box 758 Greeley CO 80632 Weld County, Colorado Oil and Gas Energy 1301 N 17th Ave Greeley CO 80631 WELD COUNTY, COLORADO PO BOX 458 Greeley CO 80632-0458 WELD COUNTY-8565 P.O. BOX 458 Greeley CO 80632 Weld Food Bank 1108 H Street Greeley CO 80631 Weld Mineral Properties LLC C/O Adams Bank & Trust Attn: Ms Cindy Mcvay 7800 S Highway 287 Fort Collins CO 80525 Weldco Fabrication & Design 1130 E Highway 40 Vernal UT 84078-2831 Welding & Joining Management Group West Po Box 235 Frederick CO 80530 Well Green Tech Inc 176 Douglasview Rd Se Calgary AB T2Z 251 Canada Welland Company Inc 1035 Susan St Coupeville WA 98239 WELLAND COMPANY, INC. P.O. BOX 1486 Coupeville WA 98239-1486 Welldog 1525 Industry Drive Laramie WY 82070 Weller Family Trust Dorothy C Weller - Trustee Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 626 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 629 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Wellington S Raymond Test Tr American State Bk & Tr Co Ttee Address Redacted Wellpro Inc PO Box 2436 Williston ND 58801 WELLPRO INC PO BOX 2436 Williston ND 58802 Wells Fargo Bank Case No: 4:15-Cv-10 400 E Broadway Ave Bismarck ND 58506 Wells Fargo Bank Na A/C Mcgee Hankla Backes Et Al Bernard Wright V Nancy Tronson Address Redacted Wells Fargo Bank, N.A. Attn: David Tameron PO Box 63020 San Francisco CA 94163 Attn: Marcia Martinez, Client Services Wells Fargo Bank, N.A. Partner PO Box 63020 San Francisco CA 94163 Attn: Yucel (Yoo-Gel) Ozel, Dedicated Wells Fargo Bank, N.A. Client Services Officer PO Box 63020 San Francisco CA 94163 Wells Fargo Bank, N.A./Sig Attn: April S. Powers Corporate Actions 550 S. Tryon St. Charlotte NC 28202 Wells Fargo Bank, N.A./Sig Robert Matera Vice President 1525 W W T Harris Blvd 1st Floor Charlotte NC 28262-8522 Wells Fargo Bank, National Associati Lora Dahle 550 South 4th Street Mac N9310-141 Minneapolis MN 55415 ATTN: DERIVATIVES DOCUMENTATION WELLS FARGO BANK, NATIONAL ASSOCIATION 417 MONTGOMERY STREET SUITE 500 MAC A0108-050 MANAGER San Francisco CA 94104 Wells Fargo Bank, National Association Attn: Derivatives Counsel 633 Folsom Street 7th Floor Law Department San Francisco CA 94107 Wells Fargo Bank, National Association Attn: Derivatives Counsel Law Department 633 Folsom Street 7th Floor San Francisco CA 94107 Attn: Derivatives Documentation Wells Fargo Bank, National Association Manager 417 Montgomery Street Suite 500, MA A0108-050 San Francisco CA 94104 733 Marquette Avenue-5th Wells Fargo Bank, National Association Corporate Actions Floor Minneapolis MN 55479 Wells Fargo Bank, National Association Lora Dahle Corporate Actions 550 South 4th Street Mac N9310-141 Minneapolis MN 55415 WELLS FARGO BANK, NATIONAL ASSOCIATION. Legal Department 420 Montgomery St. San Francisco CA 94104-1207 Wells Fargo Banks Account Analysis Wf 8113 Po Box 1450 Minneapolis MN 55485 Wells Fargo Clearing Services LLC Matt Buettner 2801 Market Street H0006-09b St. Louis MO 63103 Wells Fargo Securities 550 S Tryon St Charlotte NC 28202 1525 West W.T. Harris Blvd, Wells Fargo Securities, LLC Robert Matera Assistant Vice President Corp Actions - Nc0675 1b1 Charlotte NC 28262 1525 West W.T. Harris Blvd, Wells Fargo Securities, LLC/Securiti Steve Turner Assistant Vice President Corp Actions - Nc0675 1b1 Charlotte NC 28262 1525 West W.T. Harris Blvd, Wells Fargo Securities, LLC/Securities Finance Steve Turner Assistant Vice President Corp Actions - Nc0675 1b1 Charlotte NC 28262 Wells Whisper LLC PO Box 1728 Dumas TX 79029 Wellsight Systems Inc 340 600 Crowfoot Cres Nw Calgary AB T3G 0B4 Canada

WELLSIGHT SYSTEMS INC. SUITE 340 600 CROWFOOT CRESCENT NW Calgary AB T3G 0B4 Canada Welltec Inc 22440 Merchants Way Katy TX 77449 Welnel, Darryn Address Redacted Welper Oil & Gas LLC PO Box 1287 Laramie WY 82073 Welter Consulting Inc PO Box 1582 Billings MT 59103 Welty, Marc Address Redacted Weltzin Trust Dtd 9-8-99 Stan Weltzin - Trustee Address Redacted Wenck Associates Inc PO Box 249 Maple Plain MN 55359-0249 Wenda L Snyder Address Redacted Wendela R Robertson Address Redacted Wendell M Cook & Blythe E Cook JT Ten Address Redacted Wendell P Drake & Leona Drake, Jts Address Redacted Wendell P Oien Address Redacted Wendt & Sons Oilfield Service PO Box 504 Cheyenne Wells CO 80810 Wendy A Blakeman Address Redacted Wendy C Freeberg Address Redacted Wendy D Goldsmith Address Redacted Wendy Ellefson Address Redacted Wendy F Thompson Address Redacted Wendy Feeney Address Redacted Wendy Gatof Malina Address Redacted Wendy Henes Address Redacted Wendy J Hailey Address Redacted Wendy J Wenner Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 627 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 630 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Wendy Johnson Address Redacted Wendy Jones Address Redacted Wendy Lee Lonnberg Succ Ttee David P Frase Trust Of 2000 C/O Phil Lonnberg Address Redacted Wendy Mixer Address Redacted Wendy Moitoso Address Redacted Wendy Oneil Address Redacted Wendy R Mcclintic Address Redacted Wendy S Johnson Address Redacted Wendy S Mccoy Address Redacted Wendy Schaffer & John Schaffer Address Redacted Wendy Sletto Address Redacted Wendy Wilmot Taylor Address Redacted Wendy Wolf Kaufman Address Redacted Wendy Wooters Adams Address Redacted Wenonah Investment Guild A Partnership Attn: Brenda Tryan 22488 German Ridge Rd Winona MN 55987 Werito, Veldon Address Redacted Werner K Voelkel Address Redacted Werner Ryan Watkins Address Redacted Werner Weinrich Address Redacted Wernon Frederickson Address Redacted Wes And Jill Pearson As Joint Tenants Address Redacted Wes Lukenbill Address Redacted Wes Tex Drilling Company LP PO Box 3739 Abilene TX 79604 Wesco Disposal Inc Dba Abco Recycling 625 W Deer Valley Dr Ste 103-187 Pheonix AZ 85027 Wesco Distribution Wagner Falconer & Judd Ltd 100 South Fifth Street Suite 800 Minneapolis MN 55402 225 West Station Square Dr Ste Wesco Distribution Inc 700 Pittsburgh PA 15219-1122 Wesco Distribution Inc Wesco Receivables Corp Po Box 802578 Chicago IL 60680-2578 Wesco Operating PO Box 1650 120 S Durbin Street Casper WY 82602 Wesley & Cheryl Faulkner Address Redacted Wesley A Stillwell Address Redacted Wesley A York Address Redacted Wesley Erdahl Address Redacted Wesley Erickson Address Redacted Wesley Faulkner Address Redacted Wesley G Borgen Address Redacted Wesley G Theige Address Redacted Wesley H Digrappa Address Redacted Wesley Hancock 2001 Trust Linda Harrington Trustee Address Redacted Wesley J Thomas Jr Address Redacted Wesley Jay Thomas Iii Address Redacted Wesley Knodt Address Redacted Wesley M Breland Address Redacted Wesley Misemer Address Redacted Wesley Odin Fevold Address Redacted Wesley P Wheeler Address Redacted Wesley Peterson And Connie Peterson Jtwros Address Redacted Wesley W Juntunen Testamentary Trust Dtd 10-31-11 - Curtis A Juntunen & Dorothy Lipp - Tr Address Redacted West Bay Exploration Company 13685 S West Bay Shore Suite 200 Traverse City MI 49684 West Dakota Oil Inc 604 East Broadway Dickinson ND 58601 West Dakota Oil Inc. Chris Fitterer 604 E Broadway Dickinson ND 58601 c/o Fabyanske, Westra, Hart & West Dakota Water LLC Thomson 333 South 7th Street Suite 2600 Minneapolis MN 55402 West Dakota Water LLC c/o JMAC Resources 1505 N Miller Street Suite 260 Wenatchee MA 98801 West Dakota Water LLC PO Box 912927 Denver CO 80291 WEST DAKOTA WATER LLC (AND RIVER WATER LLC) PO BOX 912927 Denver CO 80291 WEST DAKOTA WATER LLC-5696 PO BOX 912927 Denver CO 80291 West Energy Corporation 3330 Cumberland Blvd Ste 250 Atlanta GA 30339 West Land & Legal LLC 1700 Golden Gate Dr Golden CO 80403 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 628 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 631 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country West LLC C/O Nasdaq Po Box 780700 Philadelphia PA 19178-0700 West River Pumps Inc PO Box 1285 Dickinson ND 58601 West River Pumps, Inc. Kent Heinle PO Box 1285 137 22nd St E. Dickinson ND 58601 West Slope Colorado Oil & Gas Association Po Box 89 Grand Junction CO 81502 West Texas Gas(Metered Gas) P O Box 96 Seminole TX 79360 West Texas Gas, Inc. 211 N. Colorado Midland TX 79701 West Texas Geological Society PO Box 1595 Midland TX 79702 West Texas Off Road Center 915 W. 42nd Street Odessa TX 79764 West Texas Rehabilitation Ctr 4601 Hartford Abilene TX 79605 West Texas Water Well Service 3410 Mankins Ave Odessa TX 79764 West Texas Windshields 926 N Grandview Odessa TX 79761 West, Stephen Address Redacted Westbank Township 6153 105th Ave Nw Tioga ND 58852 Westcott Family Trust First National Bank & Tr Co & Cheryl A Thompson Ttees Address Redacted Westerman Inc 27406 Network Place Chicago IL 60673-1274 Western American Expl Co Department 411 Denver CO 80291-0411 WESTERN AREA WATER SUPPLY AUTHORITY PO BOX 2343 Williston ND 85502-2343 WESTERN AREA WATER SUPPLY AUTHORITY PO BOX 2343 Williston ND 85502-2343 WESTERN AREA WATER SUPPLY AUTHORITY P.O. BOX 2343 Willison ND WESTERN AREA WATER SUPPLY AUTHORITY AUTHORITY PO BOX 2343 Williston ND 85502-2343 WESTERN AREA WATER SUPPLY AUTHORITY P.O. BOX 2343 Willison ND Western Area Water Supply Authority Po Box 2343 Williston ND 85502-2343 Western Area Water Supply Authority c/o Vogel Law Firm Attn: Caren W. Stanley 218 NP Ave PO Box 1389 Fargo ND 58107-1389 WESTERN AREA WATER SUPPLY AUTHORITY (WAWSA) AUTHORITY PO BOX 2343 Williston ND 85502-2343

WESTERN AREA WATER SUPPLY AUTHORITY-8570 AUTHORITY PO BOX 2343 Williston ND 85502-2343 WESTERN AREA WATER SUPPLY-6379 AUTHORITY PO BOX 2343 Williston ND 85502-2343 Western Caucus Foundation 400 N Capitol St, Nw #382-B Washington DC 20001 Western Chemical LLC PO Box 1327 Roosevelt UT 84066 Western Chemical, LLC Ryan B Meikle P O Box 50620 Idaho Falls ID 83405 Western Choice Cooperative 200 Rodeo Dr Killdeer ND 58640 Western Dakota Investments C/O Dakota Community Bnk & Trs Po Box 210 Dickinson ND 58602-0210 Western Development Co Box 313 Bismarck ND 58502 Western Energy Alliance 1775 N Sherman Street Suite 2700 Denver CO 80203-4351 Western Energy Corp PO Box 641 Williston ND 58802 Western Exploration LLC PO Box 17 Littleton CO 80160-0017 WESTERN EXPLORATION LLC PO BOX 17 Littleton CO 80160-0017 Western Governors Association 1600 Broadway, Ste 1700 Denver CO 80202 Western Interior Energy Inc As Nominee Fbo Wjt Iii Sep-Ira PO Box 247 Crested Butte CO 81224 Western Land Management PO Box 656 Ranchester WY 82839 Western Land Services Inc 1100 Conrad Industrial Drive Ludington MI 49431 Western Minerals Corp PO Box 44444 Indianapolis IN 46244-4444 Western Oilfield Services LLC PO Box 83 Driggs ID 83422 Western Oilfields Supply Co. d/b/a Rain For Rent Attn: Tim Bastian 5101 Office Park Crive Bakersfield CA 93309 Western Resources LLC 2944 S Gregory Dr Billings MT 59102 Western Royalties LLC 24735 Travis Lakeside CV Spicewood TX 78669-1442 Western Shale Corporation PO Box 3008 Bismarck ND 58502 Western State College Foundation Inc 909 E Escalante Dr Po Box 1264 Gunnison CO 81230 Western State College Foundation 909 E Escalante Dr Gunnison CO 81230 Western States Fire Protection 7026 S Tucson Way Centennial CO 80112 Western States Reclamation Inc 3756 Imperial St Frederick CO 80516 Western States Reclamation Inc. Daniel Zethren 3756 Imperial Street Frederick CO 80516 WESTERNGECO L.L.C. 10001 RICHMOND AVENUE Houston TX 77042 Suite 4800, 701 Poydras WesternGeco L.L.C. Andrew A. Braun Gieger Laborde & Laperouse, LLC Street New Orleans LA 70139

WesternGeco LLC c/o Gieger, Laborde & Laperouse, LLC Attn: Andrew A. Braun 701 Poydras Street Suite 4800 New Orleans LA 70139-4800 Legal Counsel - Western 10001 Richmond Ave, Bldg. WesternGeco LLC Jeffrey Shaun Majors, Esq Hemisphere #1, Suite #5750 Houston TX 77042

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 629 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 632 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

Westfall Family Trust Leslie Stewart Westfall - Trustee Address Redacted Westhoma Oil Company PO Box 939 Vail CO 81658-0939 Westland Charter LLC 15443 E Firerock Cntry Club Dr Fountain Hills AZ 85268 WESTON 1435 GARRISON STREET SUITE 100 Lakewood CO 80215 Weston Solutions Inc PO Box 536121 Pittsburgh PA 15253-5903 WESTON SOLUTIONS INC-4350 PO BOX 536121 Pittsburgh PA 15253-5903 Westside Energy LLC 777 Taylor St Ste 810 Fort Worth TX 76102 Westside Machine Shop Inc P O Box 1015 Williston ND 58802-1015 Weststar Oil & Gas Inc 1601 Se 19th St Edmond OK 73013 Westward Energy LLC 6501 Wyoming Blvd NE Ste 230 Albuquerque NM 87109-3992 Wfc Investments LLC PO Box 460 Greenville MI 48838 WFC INVESTMENTS LLC PO BOX 460 Greenville MI 48838 Wgr Asset Holding Company LLC 1099 18th Street Suite 1200 Denver CO 80202 Wham LLC 1903 W Main, Ste #2A Newcastle WY 82701 Wharton County PO Box 189 Wharton TX 77488 Wharton County, TX Treasurer 309 E Milam St # 100 Wharton TX 77488 Whc Exploration LLC 1901 N Central Expressway #300 Richardson TX 75080 Wheatland Oil Inc PO Box 269000 Oklahoma City OK 73126 Wheatland Township Treasurer 323 E Downington Road Sandusky MI 48471 Wheatley Oil Company 387 Mustang Blvd Port Aransas TX 78373-4916 Wheeler & Guyla A Smith Trust Uat Dtd 4-15-82 - Steven Smith & Gaylr Hiar - Tr Address Redacted Wheeler 8 LLC 1060 S Central Ave Ste 1 Sidney MT 59270 Whipped Bakery 9693 Fox Den Dr Littleton CO 80125 Whipple, Bradly Address Redacted Whitaker Energy LLC 1135 N Broadway Ste 701 Denver CO 80203 Whitco 0143 N Meadow Dr Rifle CO 81650 Whitcomb, Paul Address Redacted White Earth Resources LLC Mike & Linda Voosen 13426 Stardust Blvd Sun City West AZ 85375-2556 White Energy Corp 2146 Fairview Place PO Box 21495 Billings MT 59102-0612 WHITE FAMILY TRUST UWO JIMMY R WHITE MARSHA B WHITE - TRUSTEE 3303 NORTHFIELD DR Midland TX 79707 White Family Trust Uwo Jimmy R White Marsha B White - Trustee 3303 Northfield Dr Midland TX 79707 White Hafer Minerals LLC Brian Hafer - Member 13025 Zen Gardens Way Austin TX 78732 White Lake Township 7525 Highland Road White Lake MI 48383 White Mountain Operating LLC Cathy Lambrecht PO Box 2353 Pinedale WY 82941 White Mountain Operating LLC PO Box 2353 Pinedale WY 82941-2353

WHITE OAK OPERATING COMPANY, LLC C/O CT CORPORATION SYSTEM 5615 CORPORATE BOULEVARD SUITE 400B Baton Rouge LA 70808 White Owl Energy Services Us PO Box 1953 Dickinson ND 58602 White Owl Tioga Joint Venture PO Box 1953 Dickinson ND 58602-1953 White Rock Oil & Gas LLC Agent PO Box 612184 Dallas TX 75261-2184 WHITE ROCK OIL & GAS LLC AGENT PO BOX 612184 Dallas TX 75261-2184 White Rock Oil & Gas LLC Agent PO Box 612184 Dallas TX 75261-2184 White Rock Oil & Gas LLC-Agent PO Box 612184 Dallas TX 75261-2184 WHITE ROCK OIL & GAS, LLC P O BOX 612184 Dallas TX 75261-0601 White Rock Royalty Partners No 1 427 South Boston Ave Ste 711 Tulsa OK 74103 White Rock Trust Patricia M Nielsen - Trustee 4840 Lee Circle Boulder CO 80303 White Star Energy Inc PO Box 51108 Midland TX 79710 White Star Royalty Company PO Box 51108 Midland TX 79710 White Wing Limited LLC 1627 W University Parkway Sarasota FL 34243 White, Carolyn Address Redacted 3033 Excelsior Blvd, Suite Whitebox GT Fund, LP c/o Whitebox Advisors LLC Attn: Scott Specken 500 Minneapolis MN 55416-4675 Whitecalfe, Garrett Address Redacted Whitening petroleum Corporation Address Redacted Whitesides Boots 202 Se 19th St Loveland CO 80537 WHITESTAR 777 SOUTH WADSWORTH BLVD. SUITE 4-250 Lakewood CO 80226 Whitestar Corp 777 South Wadsworth Blvd Suite 4-250 Lakewood CO 80226 Whitetail LLC 300 Dawn River Cv Austin TX 78732 Whitetail Wave LLC PO Box 21495 Billings MT 59104 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 630 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 633 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Whiting Address Redacted WHITING CANADIAN HOLDING COMPANY ULC Address Redacted Whiting Canadian Holding Company Ulc (Fka Kogc) 1700 Lincoln Suite 4700 Denver CO 80203 Whiting Oil & Gas Address Redacted WHITING OIL & GAS CORP. 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 WHITING OIL & GAS CORPORATION 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 WHITING OIL AND GAS 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 whiting oil and gas Address Redacted WHITING OIL AND GAS COR 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 WHITING OIL AND GAS CORP 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Whiting Oil And Gas Corporation 1700 Lincoln Suite 4700 Denver CO 80203 Whiting Oil And Gas Corporation 1700 Lincoln Ste 4700 Denver CO 80203 WHITING OIL AND GAS CORPORATION 1700 LINCOLN STREET SUITE 4700 Denver CO 10308 WHITING OIL AND GAS CORPORATION 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Whiting Oil and Gas Corporation Address Redacted Whiting perolium corporetion Address Redacted Whiting Petroleum Address Redacted Whiting petroleum Address Redacted WHITING PETROLEUM CORPORATION 1700 LINCOLN STREET SUITE 4700 Denver CO 10288 WHITING PETROLEUM CORPORATION Address Redacted Whiting Petroleum Corporation Attn: Bruce DeBoer 1700 Lincoln Suite 4700 Denver CO 80203 Whiting Petrolium corporetion Address Redacted Whiting Programs, Inc. 1700 Lincoln Suite 4700 Denver CO 80203 Whiting Resources Corporation 1700 Lincoln Ste 4700 Denver CO 80203 WHITING RESOURCES CORPORATION 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Whiting Resources Corporation (Fka Kogi) 1700 Lincoln Suite 4700 Denver CO 80203 WHITING RESOURCES CORPORTION 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Whiting Unallocated Ownership Address Redacted Whiting Us Holding Company 1700 Lincoln Suite 4700 Denver CO 80203 WHITING US HOLDING COMPANY 1700 LINCOLN STREET SUITE 4700 Denver CO 10289 WHITING US HOLDING COMPANY Address Redacted Whiting Usa Trust I Address Redacted Whiting Usa Trust Ii Address Redacted C/O THE BANK OF NEW YORK WHITING USA TRUST II MELLON TRUST COMPANY, N.A. 919 CONGRESS AVENUE SUITE 500 ATTN: MICHAEL J. ULRICH Austin TX 78701 C/O WILMINGTON TRUST, 1100 NORTH MARKET ATTN: CORPORATE TRUST WHITING USA TRUST II NATIONAL ASSOCIATION RODNEY SQUARE NORTH STREET ADMINISTRATION Wilmington DE 19890 C/O WILMINGTON TRUST, 1100 NORTH MARKET ATTN: CORPORATE TRUST WHITING/WHITING USA TRUST II NATIONAL ASSOCIATION RODNEY SQUARE NORTH STREET ADMINISTRATION Wilmington DE 19890 Whitman College C/O Board Of Trustees 345 Boyer Avenue Walla Walla WA 99362 Whitmar Employee Royalty Trst 6200 S Syracuse Way Ste 480 Greenwood Village CO 80111 Whitmar Exploration Co 6200 S Syracuse Way Ste 480 Greenwood Village CO 80111 Whitney Bank PO Box 4019 Gulfport MS 39502 WHITNEY BANK Address Redacted Whitney Family Living Address Redacted Whitney Family Living Trust Faye Whitney - Trustee Address Redacted

Whitney H Marvin Revocable Tr Whitney H Marvin Ttee Address Redacted WHITNEY LIGON Address Redacted Whitney M Buckman Address Redacted Whitney M Uran Address Redacted Whittier College 13406 E Philadelphia St Whittier CA 90608 whitting petroleum Address Redacted Wi-Ccs LP PO Box 100903 Fort Worth TX 76185 Wichita St Univ Foundation Attn: Patsy Selby 1845 Fairmount St Box 2 Wichita KS 67260-0002 Wickliffe Oilfield Services 4501 N Main St Victoria TX 77904 Wicon Company C/O W J Kiernan Foley & Lardner 777 East Wisconsin Avenue Milwaukee WI 53202-5367 Widgery, Amanda Address Redacted Wiese-Esslinger Min Tr, Lyle Westrom, Timothy & Paul Wiese Jean Spittle,David Westrom,Tee 618 Eickhof Blvd Crookston MN 56716 Wilbanks Acquisitions Ii LLC C/O Wilbanks Reserve Corp, Mgr 450 E 17th Ave Suite 220 Denver CO 80203 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 631 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 634 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Wilbanks Reserve Corporation 450 East 17th Ave Suite 220 Suite 200 Denver CO 80203 WILBANKS RESERVE CORPORATION 450 EAST 17TH AVE SUITE 220 SUITE 200 Denver CO 80203 Wilber C Baumann Test Trust Virgil Matlack Trustee Address Redacted Wilbur D Harmon Address Redacted Wilbur D Lebsack & Connie J Lebsack Address Redacted Wilbur D Wilkinson Address Redacted WILBUR D. WILKINSON C/O PRINGLE & HERIGSTAD, P.C. ATTN: REED A. SODERSTROM 2525 ELK DRIVE PO BOX 1000 Minot ND 58702 2525 Elk Drive, PO Box Wilbur D. Wilkinson C/O Pringle & Herigstad, P.C. Attn: Reed A. Soderstrom 1000 Minot ND 58701 Wilbur Ivan Jackson Address Redacted Wilbur Properties LLC 273 Maplehurst Point Highlands Ranch CO 80126-5614 Wilbur R Hayden And Douglas R Hayden Address Redacted Wilbur Salyards & Sandra F. Salyards, H/W Address Redacted Wilbur W Schaefer Address Redacted Wilco Properties Inc PO Box 600789 Dallas TX 75360-0789 Wilcox Natural Fuels, LLC 173 Ne Bridgeton Rd Slip 5 Portland OR 97211-1074 Wilcox Swanson, LLC 1120 East Pinewood Ave Centennial CO 80121 Wild Basin Fund LLC 1200 17th Street, Suite 1100 Denver CO 80202 Wild Basin Oil & Gas LLC PO Box 326 Allenspark CO 80510 WILD BASIN OIL & GAS LLC PO BOX 326 Allenspark CO 80510 WILD BASIN OIL AND GAS, LLC PO BOX 326 Allenspark CO 80510 Wild Bird Company 1641 28th St Boulder CO 80301 Wild Eagle Oil & Gas Inc 209 N Main St Plentywood MT 59254 Wild Well Control Inc PO Box 919264 Dallas TX 75391-9264 Wilda T Noel Address Redacted Wildbore Natural Resources LLC 18903 Heritage Farmstead Lane Cypress TX 77433 18903 HERITAGE FARMSTEAD WILDBORE NATURAL RESOURCES LLC LANE Cypress TX 77433 Wildcard Family Ltd Prtnership A Texas Limited Partnership 15660 N Dallas Pkwy Ste 1175 Dallas TX 75248 Wildcat Investments Corp PO Box 10131 Bozeman MT 59719-0131 Wildcat Royalty LLC PO Box 2221 Bismarck ND 58502 Wildcat Trucking LLC PO Box 1389 Sidney MT 59270 Wildcat Trucking, LLC Attn: James E. Cuellar 440 Louisiana Suite 718 Houston TX 77002 Wildrose Fire Protection District PO Box 664 Wildrose ND 58795 Wildrose Golf Association C/O Gary Stefonowilz PO Box 1273 Williston ND 58802-1273 Wildrose Housing Inc PO Box 703 Wildrose ND 58795 Wildrose Old School Corp 8805 18th Ave Nw Wildrose ND 58795 Wildrose Senior Citizens Organization/Club PO Box 635 Wildrose ND 58795-0635 Wildrose Senior Transportation PO Box 703 Wildrose ND 58795 Wiley Fairchild Family Trust J M Fairchild Address Redacted Wiley J Snell Address Redacted Wiley Jean Fairchild Noel Est B R Noel & Joe Donnell, Co- Ex Donnell And Co, LP Address Redacted Wiley Jean Fairchild Noel Marital Trust - Trustmark National Bank - Trustee Address Redacted

Wilford C Hooper Estate C/O David Clyde Hooper Exec Address Redacted Wilfred & Virginia Mastel Irrevoc Mineral Trust Wilfred A Mastel, Trustee Address Redacted Wilfrid J Gapp Address Redacted Wilhelm E Northrop Address Redacted Wilhelm H Martens Family Mineral Trust Address Redacted Wilke, David Address Redacted Wilkerson, Carrie Address Redacted Wilkinson Family Trust Suntrust Bank Trustee Attn: Andrew H Lewis Address Redacted

Will And Florence Gleason Estates C/O Dave Mchugh Address Redacted Will Of Florence L Nimick Mellin Bank, N.A. & Thomas H Nimick Jr Co-Trustees Address Redacted Willam D Campbell Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 632 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 635 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Willamette Christian Center Address Redacted Willard A Toavs Address Redacted Willard Borlaug Address Redacted Willard E Smith Address Redacted Willard Harry Bryan C/O David R Frensley Address Redacted Willard J & Emma F Jaeger Irrevoc Trust Dtd 12/12/03 Rebecca Meduna & Rodney Jaeger Succ Trustees Address Redacted Willard P Seifert Address Redacted Willard P Wock Address Redacted Willard Smith Address Redacted Willard W Adams Freda Estella Adams Address Redacted Willard Wagner C/O Hazel Wagner Address Redacted Willard, Scott Address Redacted Willett, Patricia Address Redacted Willey, Randal Address Redacted William & Florence Jas 2001 Testamentary D - William & Florence Jas - Trustees Address Redacted William & Josephine Privratsky Irrev Min Tr, Roger Privratsky & Jolin Marsh Succ Co-Ttees Address Redacted William & Judith Fallin Jt Address Redacted William & Kathryn Jo Hamilton Jt Address Redacted William & Kerry Voelker Address Redacted William & Marie Lassey LLC Address Redacted William & Mary Conroy Ttees Conroy Living Trust Address Redacted William & Rita Bevard Ttees Kerry Creek Trust Address Redacted William & Rosemarie Mclaughlin Jtwrs Address Redacted William (Bill) N. Hahne Address Redacted William A & Linda L Bostrom Address Redacted William A Abbott Address Redacted William A Anundson Address Redacted William A Brewer & Linda L Brewer Jt Address Redacted William A Coughlin Address Redacted William A Doll Address Redacted William A Eilers Jr Address Redacted William A Gillespie Trust Donna A Gillespie Trustee Address Redacted William A Godschalk Address Redacted William A Haverluk Address Redacted William A Kelly Address Redacted William A Mcinnis Address Redacted William A Mclaurin Address Redacted William A Metzger Address Redacted William A Nelson Address Redacted William A Robbins Address Redacted William A Selvidge Address Redacted William A Stransky Joan F Stransky, J/T Address Redacted William A Weber Address Redacted William A. Blackwell Address Redacted William A. Chaussee Address Redacted William A. Ferer Address Redacted William A. Wesley Address Redacted William Aaron Jones Address Redacted William And Anne Keown Living Trust Address Redacted William And Marian Rude Address Redacted William And Naomi Desmul Joint Tenants Address Redacted William Aubrey Harper Jr Address Redacted William B Choate Address Redacted William B Curd Jr Address Redacted William B Harp Address Redacted William B Osterberg Estate Jon B Osterberg - Pr Address Redacted William B Ridgway Jr Address Redacted William B Sumrall Address Redacted William B Tracy Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 633 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 636 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country William B Watson Agent Inc Address Redacted William Benzel Address Redacted William Bosley Address Redacted William Bovee Address Redacted William Bruce Thompson Address Redacted William C & Benita M Buster Address Redacted William C Armor Jr Address Redacted William C Brandes Address Redacted

William C Brumder C/O Tia Sutcliffe - Poa Brumder Cilia Address Redacted William C Carrigan Address Redacted William C Eiland Address Redacted William C Harper Address Redacted William C Kees Address Redacted William C Kenney Address Redacted William C Mclaurin Address Redacted William C Medley Estate C/O Betty Jean Medley Aif Address Redacted William C Medley Jr, Deceased Betty Jean Medley, Aif For Devisees & Legatees Address Redacted William C Millis Address Redacted William C Morris Jr Family Trs Address Redacted William C Orr Address Redacted William Carl Pfluger Address Redacted William Cesano Address Redacted William Christensen Address Redacted William Clay Brazil Address Redacted William Crane Patten Address Redacted William D Brewer Iii Address Redacted William D Gibbs Estate Address Redacted William D Hathaway Address Redacted William D Johnson Address Redacted William D Muggli Address Redacted William D Sorteberg Address Redacted William D Turner Jr Address Redacted William D Utke Address Redacted William D Walters Jr Address Redacted William Dale Mullin Address Redacted William Davey Norden Address Redacted William David Smith Address Redacted William Davy Life Estate Address Redacted William Dechert Address Redacted William Doll Address Redacted William Dore Address Redacted William Douglas Fernandes Address Redacted William Douglas Fernandes Jr Address Redacted William Douglas Ireland Address Redacted William Dudley Fowler Trustee William Dudley Fowler Heritage Trust Dtd 05/02/00 Address Redacted William E Battles Address Redacted William E Calder Iv Address Redacted William E Coburn Trust Dated November 28, 2000 Betty A Coburn - Trustee Address Redacted William E Curry Iii & Harriette E Curry Ttees Or Suc Ttee Under Tr Dtd 2/1/84 Address Redacted William E Dahl Address Redacted William E Davidson Address Redacted William E Dunn Address Redacted William E Erdahl Jr Address Redacted William E Mcdaniel Address Redacted William E Ortloff (Le) Address Redacted William E Rice Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 634 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 637 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country William E Richardson Trust B Sue Ellen Richardson - Trustee Address Redacted William E Thomas Ii Address Redacted William E West Address Redacted William Elbert Address Redacted William Eric Bergman Address Redacted WILLIAM EVERETT Address Redacted William F Cook Irrev Tr Jeffrey D Cook Ttee Address Redacted William F Cook Trust Address Redacted William F Cook Trust William F Cook Ttee Address Redacted William F Grinnan Jr Address Redacted William F Hamilton Family Share Trust Carol W Hamilton Ttee Address Redacted William F Huft And Marilyn K Huft Jtwros Address Redacted William F Mccullough Trust B Carol & Marshall Mccullough Co-Trustees Address Redacted William F Nefsky Address Redacted William F Parker Address Redacted William F Raymond Sr Address Redacted William F Timmons Address Redacted William F. Cayton Address Redacted William Fiscus Address Redacted William Fouch Jr Address Redacted William Franklin Waddell C/O First Financial Trust & Asset Management Company Na Address Redacted William G & Michele A Johnson Address Redacted William G Baldridge Address Redacted William G Brimmer Address Redacted William G Dutton Address Redacted William G Muir Address Redacted William G Reid Address Redacted William G Scott Address Redacted William G Seal C/O Mary O'Brien Address Redacted William Gawron & Christine Gawron Address Redacted William Gerber & Cassy Butler - JTTEN Address Redacted William Grant Trenbeath Jr Address Redacted William H & June Thomas Tc Address Redacted William H & Mary P Roen Revocable Trust - William H & Mary P Roen - Trustees Address Redacted William H Avery L/E Mark Avery - Poa Address Redacted William H Avery Makr Avery - Poa Address Redacted William H Brown Trust Hilltop Natl Bank Succ Ttee Address Redacted William H Cottle Address Redacted William H Curry Iii Address Redacted William H Davis Address Redacted William H Dorsey Address Redacted William H Gearhart Jr Florence Gearhart Executor Address Redacted William H Halfhide Address Redacted William H Hammer Estate Beneficiaries Address Redacted William H Hawn Jr Address Redacted William H Hawn Jr Childrens Tr William H Hawn Jr Trustee U/W/O William Hawn Address Redacted William H Holiday Evelyn Gray Poa Address Redacted William H Lewis Address Redacted William H Nesheim Address Redacted William H Roen Address Redacted William H Smith And Address Redacted William H Wallraff Address Redacted William H. Peterson, Jr Address Redacted William Haines Address Redacted William Harold Cox Jr Address Redacted William Harold Jones Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 635 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 638 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country William Hecker Address Redacted William Hendricks Address Redacted William Heupel Eldean Flath, Aif Address Redacted

William J & Maryanne E Murray Revocable Living Trust Address Redacted William J & Sandra L Steffel Address Redacted William J Erickson Address Redacted William J Goebel Address Redacted William J Henderson Address Redacted William J Henning Address Redacted William J Higlin Geoffrey W Higlin A-I-F Address Redacted William J Hurley Address Redacted William J Ketelle Address Redacted William J Kiernan Jr C/O Foley & Lardner Address Redacted William J Klemstein Address Redacted William J Lindvig Address Redacted William J Lueking Address Redacted William J Marentette Address Redacted William J Mason And Helen T Mason Jtwros Address Redacted William J Maxwell Address Redacted William J Miller And Nancy Miller, J/T Address Redacted William J Roberts Address Redacted William J Strickler Address Redacted William J Wheat Address Redacted William J Whiddon and Jerry L Whiddon Address Redacted William J Zarak Jr & Darlene L Zarak Family Minl Tr Darlene L Zarak Trustee Address Redacted William James Nealey Address Redacted William James Vanderberg Address Redacted William Joseph Kihneman Jr Address Redacted William Joy Charitable Trust U/D/T Dtd 11/30/1988 Alden Joy Perrine, Trustee Address Redacted William K Blount Address Redacted William K Burton Address Redacted William K Thomas Address Redacted William K Thomas Jr Address Redacted William K Waldren Address Redacted William K Warren Foundation Address Redacted William Kalous Address Redacted William Keith Stransky Address Redacted William Knodt Address Redacted William Krell Address Redacted William L & Charlotte J Copple Address Redacted William L And Frances H Hixon Joint Tenants Address Redacted William L Barksdale Family Trt Fbo Elizabeth B Gunnufson Address Redacted William L Barksdale Family Trt Fbo John G Barksdale Address Redacted William L Craven Jr Address Redacted William L Hackley Address Redacted William L Irwin Address Redacted William L Lindemann Address Redacted William L Schaeffer Address Redacted William L Shepherd Address Redacted William L Stubbs Trust Address Redacted William L Valentine Address Redacted William L. Sweezey Address Redacted William Lee Strauss Address Redacted William Leroy Wordley Address Redacted William Lloyd Davis Address Redacted William Lombardo Address Redacted WILLIAM LUEKING Address Redacted William M Mayo Md Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 636 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 639 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country William M Myrhang Address Redacted William M Thompson Address Redacted William M Uggen Address Redacted William Matthew Robinson C/O Wells Fargo Bank Na Specialty Asset Operations Address Redacted William Maurice Smith Address Redacted William Michael Mcgann Jr Address Redacted William Michael Wallraff Address Redacted William Michie Collins Address Redacted William Mj Bauer Address Redacted William Morgan Martin Address Redacted William N Brimmer Address Redacted William N Dool Address Redacted William N Hahne Address Redacted William N Heiss Profit Sharing Plan William & Susan Heiss Co-Ttees Address Redacted William N Reis Address Redacted WILLIAM N. HAHNE Address Redacted William Niehoff Address Redacted William O Gairns Iii Address Redacted William Obach L/T, Da Davison Trust Co., Power Of Attorney Address Redacted William Obach, D.A. Davidson Trust Co., Power Of Attorney Address Redacted William P Bartlett & Claire M Bartlett JT Ten Address Redacted William P Nichols Address Redacted William P S Ventress Address Redacted William Perry Coleman Address Redacted William Pfister Address Redacted William Porter Logan Address Redacted William R & Cheryl T Kinden Jt Address Redacted William R & Tammy Lacrosse Jt Address Redacted William R Archer Address Redacted William R Beckman Address Redacted William R Brennan Jr Address Redacted William R Chase Address Redacted William R Cooper Address Redacted

William R Crain Exempt Trust William R Crain Trustee Address Redacted WILLIAM R EVERETT Address Redacted

William R Everett Mike Everett Poa James Everett Poa Address Redacted William R Glazner Address Redacted William R Hansen Address Redacted William R Harrington Address Redacted William R Kinden Address Redacted William R Lacrosse Address Redacted William R Machardy Address Redacted William R Maddy Address Redacted William R Palaniuk (Dec) Address Redacted William R Phinney Address Redacted William R Price Address Redacted

William R Roberts Estate Jerry R Roberts Personal Rep Address Redacted William R Thomas Address Redacted William R Wells Kathryn A Wood Poa Address Redacted William Ray Estes Address Redacted William Ray Proctor Address Redacted William Reagin Parnell Address Redacted William Reed Hawn Address Redacted William Rex Bakke Address Redacted

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 637 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 640 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country

William Richard Bomar Est Birdie P Bomar - Executor Address Redacted William Ritchie Keeble III Trs 1St Financial Tr & Asset Mgmt Acct #5022005 Address Redacted William Robert King Address Redacted William Robert Poundstone Address Redacted William Ross Roberts Estate C/O Jerry Ross Roberts Address Redacted

William Ruff Jr And Norma J Kinkade As Joint Tenants Address Redacted William Rummel Trust U/A/D February 10, 1993 Address Redacted

William Rummel Trustee Uad-2/10/93; Randy Rummel, James A Rummel & Gar Rummel, Co-Trustees Address Redacted William S Bergner Fmly LP LLLP Address Redacted William S Kilian Address Redacted William S Marshall Address Redacted William S Marshall Family Tr Address Redacted William S Montgomery Address Redacted William S Olson Address Redacted William S Peterson Address Redacted William S Reinauer Address Redacted William S Wright Jr Address Redacted William Schiwal & Pauline A Schiwal Address Redacted William Scull Address Redacted William Senff Address Redacted William Shannon Shatford Address Redacted William Simpson Address Redacted William Stokes Estate Trust Fiona Carnazza Stokes Trustee Address Redacted william sun Address Redacted William T & Angela Lajean Dame Address Redacted William T Dame Address Redacted William T Roberts Address Redacted William T Speller Test Trst U/W Of Leola Nichols Speller Dtd 05/21/96 Address Redacted William T Wheatley Address Redacted William T. Basile Address Redacted William Tann Address Redacted William Ted Nameniuk Address Redacted William Terry Kuester Address Redacted William Thomas Scott V Address Redacted William Thomas Sullivan Address Redacted William Thomson Address Redacted William V & Caroline M Bren Family Mineral Trust James M Bren, Trustee Address Redacted William V & Joanne C Redmond Joint Tenants Address Redacted William V & Marilyn F Mitchell Lv Tr William V & Marilyn F Mitchell Trtees Address Redacted William V B Herrick Address Redacted William V Johnson Address Redacted

William V Redmond & Joanne C Redmond Revoc Lvg Trs William V Redmond & Joanne C Redmond, Trustees Address Redacted William Vance Dickenson Address Redacted

William Victor Burnell Rev Trust Andrew H Davis Jr, Esq Address Redacted William Voss Address Redacted WILLIAM W & ANNE H GRIFFITH Address Redacted William W & Anne H Griffith Jtwros Address Redacted William W Brash Iii Address Redacted William W Harrison Address Redacted William W Scarborough Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 638 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 641 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country William W Scott Address Redacted William W. Werkheiser Address Redacted William Wallace Allred Address Redacted William Ward Thompson Life Estate Address Redacted William Webb Scott Address Redacted William Williams Address Redacted William Woodbury Marty J Hickel Poa Address Redacted William Woods Address Redacted Williams & Larson Mineral Tr Dtd 8-15-06 - American State Bank & Trust - Trustee Address Redacted Williams County Abstract Company 123 East Broadway Williston ND 58801 WILLIAMS COUNTY COMMISSION BOARD 205 EAST BROADWAY Williston ND 58801 WILLIAMS COUNTY COMMISSION BOARD 205 EAST BROADWAY Williston ND 58801 Williams County Park Board PO Box 2047 Williston ND 58801 Williams County Recorder PO Box 2047 205 East Broadway Williston ND 58802-2047 Williams County, N+F194d Treasurer PO Box 2047 Williston ND 58802 Williams County, ND Treasurer 206 E Broadway Williston ND 58801 Williams Family Oil & Gas Property Trust Richard J Buell Trustee Address Redacted WILLIAMS PRODUCTION RMT 1515 ARAPAHOE ST. TOWER Denver CO 80202

Williams Revocable Living Tr Robert J Williams Trustee Address Redacted Williams S Dean Jr Address Redacted Williams Well Service Inc P O Box 133 Lisbon LA 71048 WILLIAMS WELL SERVICE INC Rachel A. Hackler P O BOX 133 Lisbon LA 71048 Williams Wpx Rocky Mtn Co 25061 Network Pl Chicago IL 60673-1250 Williams, Emily Address Redacted Williams, Mark Address Redacted WILLIAMS, TURNER & HOLMES, P.C. COURTHOUSE PLACE BUILDING 200 N. 6TH STREET PO BOX 338 Grand Junction CO 81502-0338 Williamson Enterprises Address Redacted Willie M & Mary Alice Hagan Address Redacted Willie Panasuk Living Trust Toby A Panasuk - Trustee Address Redacted Willie Pansuk Trustee Of The Revocable Living Trust U/A/D 9/25/03 Address Redacted Willis H Galleske Doris C Galleske John W Knueppel, Poa Address Redacted Willis Oil & Gas Inc 2008 University Street Helena MT 59601 Willis Permian Movers Inc PO Box 513 Odessa TX 79760-0513 Willischild Oil & Gas Corp 621 E Street Snyder OK 73566 Williston Area Chamber Of Commerce Po Box G Williston ND 58802 Williston Band Boosters PO Box 2232 Williston ND 58802-2232 Williston Basin Energy LLC 919 S 7th St #405 Bismarck ND 58504 WILLISTON BASIN ENERGY LLC 919 S 7TH ST #405 Bismarck ND 58504 WILLISTON BASIN ENERGY, LLC 919 S 7TH ST #405 Bismarck ND 58504 Williston Basin Interstate Pipeline Company Po Box 5601 Bismarck ND 58506-5601 Williston Basin Interstate Pipeline Co 400 N 4Th St Bismark ND 58501 WILLISTON BASIN INTERSTATE PIPELINE COMPANY- 8575 400 N 4TH ST Bismark ND 58501 Williston Basin Oil & Title C/O Alicia L & Carla J Fettig Po Box 266 Killdeer ND 58640

Williston Basin Oil & Title C/O Alicia L & Carla J Fettig PO Box 266 Killdeer ND 58640 WILLISTON BASIN PIPELINE, LLCd/b/a MARATHON PETROLEUM NORTH DAKOTA C/O CT CORPORATION SYSTEM 120 W. Sweet Avenue # 102 Bismarck ND 58504 Williston Brokerage Company 4400 South 46Th Street Lincoln NE 68516 Williston Downtowners Assc PO Box 133 Williston ND 58802 Williston Drilling LP Attn Connie Toevs 1 Cowboys Way Frisco TX 75034 Williston Energy Holdings LLC 1200 17Th St, Suite 1100 Denver CO 80202 Williston Fire & Safety 3420 2nd Ave West Williston ND 58801-2616 Williston Herald Address Redacted Williston High School Rodeo Club 5745 119th Ave Nw Ray ND 58849 WILLISTON INDUSTRIAL SUPPLY 1020 42ND ST E Williston ND 58801 Williston Industrial Supply Corp 1020 42nd St E Williston ND 58801 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 639 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 642 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Williston Oil Run Ltd 11700 Preston Rd Ste 600 #684 Dallas TX 75230-6117 Williston Projects Inc 46 Secluded Trail The Woodlands TX 77380 Williston Rural Fire Dpmt 317 11Th Street W P O Box 42 Williston ND 58802-0042 Williston State College Foundation Po Box 1286 Williston ND 58802-1286 Williston State College Foundation PO Box 1286 Williston ND 58802-1286 Williston State College Supporting Foundation 721 E Highland Dr Ste E PO Box 1286 Williston ND 58802-1286 Williston Tank Rental Inc Box 2626 Williston ND 58802 Williston, ND Treasurer 206 East Broadway Williston ND 58801 Willow Creek Elementary Pto 7855 South Willow Way Centennial CO 80112 Willow Street Partners LP One Riverway Ste 1700 Houston TX 77056 Willys G Smith Sr Address Redacted Willys Hydrotest Service LLC 1012 1st St Sw Dickinson ND 58601 Wilma Ann Jahn Address Redacted Wilma Finley Address Redacted Wilma Hillstead Address Redacted Wilma Hillstead Lt Address Redacted Wilma J Nicholas Address Redacted Wilma L Engen Address Redacted Wilma Lou Andre Address Redacted Wilma M Phillips Trust Judith R Cruz Trusttee Address Redacted

Wilma Terry Finley Family Tr C/O Murray Roark, Trustee Address Redacted Wilmington Cemetery Corp PO Bx 87 Arnegard ND 58835 Wilmington Evangelical Luthern Church PO Box 145 Arnegard ND 58835 ATTN: CORPORATE WILMINGTON TRUST, NATIONAL ASSOCIATION RODNEY SQUARE NORTH 1100 NORTH MARKET STREET TRUST ADMINISTRATION Wilmington DE 19890-1615 Wilmoth Interests Inc 550 Hastings Road Marion Center PA 15759 Wilson Energy Partners 502 W Montgomery St #520 Willis TX 77378-8827

Wilson Family Rev Trust Galen D & Nancy C Wilson - Tr Address Redacted Wilson Family Rev Trust Galen D & Nancy C Wilson Ttees Address Redacted WILSON GEOPHYSICAL, INC. 12 HICKORY CIRCLE Malakoff TX 75148 Wilson, Carla Address Redacted Wilson, Randall Address Redacted Wilson-Davis & Co., Inc. Bill Walker 236 South Main Street Salt Lake City UT 84101 Win-911 Software 2024 E St Elmo Austin TX 78744 Win-911 Software 4020 S Industrial Dr #120 Austin TX 78744 Winbauer Family Partnership PO Box 1088 Ellensburg WA 98926-2816 Winch, Rhonda Address Redacted Wincrest Ventures LP PO Box 56389 Houston TX 77256 Wind River Petroleum LP 244 FM 306 Ste 120 New Braunfels TX 78130-5487 Wind River Resources Corp 3245 Big Spruce Way Park City UT 84098-5360 Wind River Resources Inc PO Box 2944 Casper WY 82602 Windhaven Interests LLC 5601 Preakness Ln Plano TX 75093 Windmill Energy Properties LLC 216 16th St Suite 1200 Denver CO 80202 Windmillwater LLC DBA Culligan of Fort Morgan 300 W Railroad Fort Morgan CO 80701 Windom Royalties LLC Subsidiary Of Noble Rylts Inc PO Box 660082 Dallas TX 75266-0082 Windsor Bakken Shale LLC 14301 Caliber Dr Ste 200 Oklahoma City OK 73134 Windsor Bakken, LLC C/O Zuger Kirmis & Smith Attn: Lawrence King Po Box 1695 Bismarck ND 58502 WINDSOR DAKOTA LLC Address Redacted Windsor Energy Group LLC 14301 Caliber Dr Ste 200 Oklahoma City OK 73134 C/O WILLIAMS PORTER DAY & 159 N. WOLCOTT STREET WINDSOR ENERGY GROUP, LLC NEVILLE P.C. ATTN: PATRICK MURPHY PO BOX 10700 SUITE 400 (82601) Casper WY 82602 Windsor Harvest Festival Planners Po Box 595 Windsor CO 80550 Windsor Jepson LLC 14301 Caliber Dr Ste 200 Oklahoma City OK 73134 C/O WILLIAMS PORTER DAY & 159 N. WOLCOTT STREET WINDSOR JEPSON, LLC NEVILLE P.C. ATTN: PATRICK MURPHY PO BOX 10700 SUITE 400 (82601) Casper WY 82602 Windsor Rock I LLC 1500 Poly Dr Ste 104 Billings MT 59102 Windsor Rock Ii LLC 1500 Poly Dr Ste 104 Billings MT 59102 Windstream Corp 4001 N Rodney Parham Rd Little Rock AR 72212-2442 Windstream Corp Po Box 9001908 Louisville KY 40290-1908 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 640 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 643 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country WINDSTREAM ENTERPRISE 1720 GALLERIA BLVD Charlotte NC 28270 Winegar, Taylor Address Redacted Winged Foot Oil Co Inc PO Box 3106 Midland TX 79702-3106 Wingler Sharp & Stowe PO Box 3546 Wichita Falls TX 76301 Winifred Stone Krall 910 La Feliz Dr Redlands CA 92373 Winkjer Family Inc 1202 Hillcourt PO Box 1261 Williston ND 58801 Winkler County PO Box T Kermit TX 79745 c/o Linebarger Goggan Blair & Winkler County Sampson, LLP Attn: Don Stecker 112 E Pecan Street Suite 2200 San Antonio TX 78205 Winkler County PO Drawer T Kermit TX 79745 Winkler County Clerk & Recorder Po Box 1007 Kermit TX 79745 Winkler County Royalty Co Inc County Royalty Acquisition Pro PO Box 678549 Dallas TX 75267-8549 Winkler County, TX Treasurer 100 E Winkler St 1st Floor Kermit TX 79745 Wink-Loving Independent C/O Purdue, Brandon, Fielder, PO BOX 637 School District Collins & Mott Llp Wink TX 79789-0637 Winn Construction Inc PO Box 1141 Dickinson ND 58802

WINN EXPLORATION CO, INC 800 N SHORELINE BLVD STE 1900N Corpus Christi TX 78401 Winn Family Survivor'S Trust Lindsay Elizabeth Winn Trustee Address Redacted Winnifred H Erickson Testamentary Trust Donna K Shilliam - Trustee Address Redacted Winn-Marion Barber Chris Doherty 7084 S Revere Parkway Unit A Centennial CO 80112 Winn-Marion-Barber LLC 7084 South Revere Pkwy Unit A Centennial CO 80112 Winona K Mack Address Redacted Winona Oil Co 3320 S Clayton Blvd Englewood CO 80113 Winsome Benjamin Address Redacted Winston Family Trust Lorene Ann Winston - Trustee C/O Brian Hall Address Redacted Winston G Sexton Address Redacted WINSTON REVOCABLE TRUST HS WINSTON - TRUSTEE PO BOX 101235 Fort Worth TX 76185 WINTERHAWK PRODUCTION COMPANY C/O KRISTEN KELLEY PO BOX 2042 Fraser CO 80442 Winterhawk Production Company C/O Kristen Kelley PO Box 2042 Fraser CO 80442 Winton & Vicki Wold Irrevocable Family Trust Vicki Wold & Calli Thorne -Tr Address Redacted Winton Dale And Vicki Wold Address Redacted Winton Dale Wold Address Redacted Wire To Wire Inc 800 E 64th Ave Suite 10 Denver CO 80229 Wisco Inc PO Box 679468 Dallas TX 75267-9468 Wisco Trucking Inc PO Box 679482 Dallas TX 75267-9482 Wise Services Inc PO Box 427 Lyman WY 82937 Wisness Minerals LLC PO Box 585 Watford City ND 58854 Withers-Ivy LLC C/O Barbara Ivy 318 Calle Estado Santa Fe NM 87501 Witt Kearney Development LLC 1746-F South Victoria #382 Ventura CA 93003-6549 Witt Kearney Development LLC 2184 S. Rice Road Ojai CA 93023 Witt Kearney Development, LLC c/o Locke Lord LLP Attn: Elizabeth M. Guffy 600 Travis, Suite 2800 Houston TX 77002 Witt Kearney Development, LLC Lisa Witt 2184 S. Rice Road Ojai CA 93023 Witt Supplemental Needs Trust Kirkwood Bank And Trust Tte Address Redacted Wittlin Living Trust Dtd March 2, 1990 Beth Hill-Skinner, Trustee Address Redacted Wittmayer, Travis Address Redacted Wizard Works Security Systems Inc 1960 N Rocky View Rd Castle Rock CO 80108 Wizykoski, Shane Address Redacted W-K Land Company 911 Kimbark St Longmont CO 80501 Wk Royalty C/O Stanley Ward 6367 Deframe Way Arvada CO 80004 Wlcum Oil & Gas Ltd C/O Lenora Smith 1111 Hermann Dr 14F Houston TX 77004 Wm Curbside LLC PO Box 55558 Boston MA 02205-5558 Wm K Berg Oil & Gas LLC 981 Cherry Avenue Dickinson ND 58601 Wm Nd Energy Resources II 1001 Fannin St Ste 4000 Houston TX 77002 1001 Fannin Street Suite Wm Nd Energy Resources LLC Attn Mr Greg Nikkel 4000 Houston TX 77002 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 641 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 644 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 1001 FANNIN STREET SUITE WM ND ENERGY RESOURCES LLC ATTN MR GREG NIKKEL 4000 Houston TX 77002 Wm Nd Energy Resources LLC Attn Mr Greg Nikkel 1001 Fannin Street Suite 4000 Houston TX 77002 Wmf Hawker PO Box 11327 Midland TX 79702 Wmrt Oil And Gas LLC 6200 S Syracuse Way Ste 480 Greenwood Village CO 80111 Wmrt Rocky Mountain LLC 6200 S Syracuse Way Ste 480 Greenwood Village CO 80111-4750 Woessner, Todd Address Redacted WOGC ACQUIRED BERRY 1700 LINCOLN STREET SUITE 4700 Denver CO 80203 Wojcik, Shannon Address Redacted Wold 44-7-8H Susp Address Redacted Wold Federal 42-1-1Tfh Suspense Owners Address Redacted Wold Federal 42-1-2Tfh Suspense Owners Address Redacted Wold Federal 43-1-1Tfh Suspense Owners Address Redacted Wold Federal 43-1-2Tfh Suspense Owners Address Redacted Wold Federal 44-7-1H Susp Address Redacted Wold Federal 44-7-1Tfh Susp Address Redacted Wold Federal 44-7-2H Susp Address Redacted Wold Federal 44-7-2Tfh Susp Address Redacted Wold Federal 44-7-3H Susp Address Redacted Wold Federal 44-7-3Tfxh Susp Address Redacted Wold Federal 44-7-4Tfxh Susp Address Redacted Wold Federal 44-7-4Xh Susp Address Redacted Wold Federal 44-7-5Tfxh Susp Address Redacted Wold Federal 44-7-5Xh Susp Address Redacted Wold Federal 44-7-6Tfxh Susp Address Redacted Wold Federal 44-7-6Xh Susp Address Redacted Wold Federal 44-7-7H Susp Address Redacted Wolf Corporation New York NY 10036 Wolf Energy LLC PO Box 597 Bismarck ND 58502 WOLF ENERGY LLC PO BOX 597 Bismarck ND 58502 Wolf Resources LLC 1800 Glenarm Pl Ste 701 Denver CO 80202 Wolf Spirit Co LLC 8 Main Street PO Box 533 Clayton NM 88415 Wolfe Exploration LLC 5850 Lariat Loop Bismarck ND 58503 WOLFE EXPLORATION LLC 5850 LARIAT LOOP Bismarck ND 58503 Wolfe, Baylee Address Redacted Wolff, Jacob Address Redacted Wolfhawk Energy Holdings LLC 999 18th St Ste 16505 Denver CO 80202 Wolfhawk Energy Holdings LLC Life Estate 999 18th St Ste 16505 Denver CO 80202 Wolla Oilfield Services LLC 14672 Highway 2 Williston ND 58801 Wolla Trucking LLC 14672 Highway 2 Williston ND 58801 Wolseley Industrial Group Ferguson #3093 Po Box 802817 Chicago IL 60680-2817 WOLTERS KLUWER Address Redacted Women'S Alliance Inc PO Box 1081 Dickinson ND 58602 Womens Energy Network Inc PO Box 1952 Lexington KY 40588-1952 Womens Foundation Of Colorado Attn: Women Powering Change The Chambers Center 1901 East Asbury Ave Denver CO 80208 Wong Chun Ho Address Redacted WOOD GROUP PSN 17325 PARK ROW Houston TX 77084 Wood Group Psn Inc PO Box 301415 Dallas TX 75303-1415 Wood Group Psn Inc - Sheridan PO Box 733457 Dallas TX 75303-3457 Wood Group PSN, Inc. Attn: Tommy Reasoner 3861 Ambassador Caffery Pkwy. Lafayette LA 70503

Wood Group PSN, Inc. c/o Maria Bartlett Dore Rothberg McKay, P.C. 17171 Park Row, Suite 160 Houston TX 77084 Wood Group Usa Inc - Cmo PO Box 733325 Dallas TX 75373-3325 WOOD GROUP USA INC - CMO (PREVIOUSLY MITCHELLS OIL FIELD SERV INC) PO BOX 733325 Dallas TX 75373-3325 Wood Mackenzie Inc General Post Office Po Box 9482 New York NY 10087-9482 Wood Properties Ltd PO Box 6568 San Antonio TX 78209 WOODARD & WALKER LLC 415 MAIN STREET Minden LA 71055 Woodbine Financial Corp PO Box 52296 Tulsa OK 74152 Woodcreek Resources Gp PO Box 122687 Fort Worth TX 76121 Woodfield Intl Holdings Rev Tr Anna Remsburg & Jared Anderson Special Trustees Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 642 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 645 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Woods, Christopher Address Redacted Woodstone Resources LLC 7500 San Felipe St Ste 475 Houston TX 77063 Woolley-Long Partnership PO Box 7245 Dallas TX 75209 Word B Wilson Investments LP 110 West Louisiana Suite 200 Midland TX 79701 WORKDAY PO BOX 396106 San Francisco CA 94139-6106 Workday Inc PO Box 396106 San Francisco CA 94139-6106 Workforce Safety & Insurance Anne Jorgenson Green PO Box 5585 Bismarck ND 58506-5585 WORKFORCE SAFETY & INSURANCE PO BOX 5585 Bismarck ND 58506-5585 Workover Solutions Inc 5535 Brystone Dr Houston TX 77041 Workpartners Triage And Medical Management 420 Summit Ave St Paul MN 55116 Alsac-St Jude Childrens Research Workplace Giving Hospital 501 St Jude Place Memphis TN 38105 Workshare Technology Inc 300 S Riverside Plz Ste 800 Chicago IL 60606-6616 WORKSHARE TECHNOLOGY INC. 550 W JACKSON BLVD STE 200 Chicago IL 60661-5744 World Vision PO Box 9716 Federal Way WA 98063-9716 Worlddenver 3607 Mlk Jr Blvd Denver CO 80205 Worldwide Seismic Ventures C/O Thistle Inc 21 Inverness Way E Englewood CO 80112-5710 Worth Evans & Sons Marfa TX 79843 Wounded Warrior Project 4899 Belfort Road Suite 300 Jacksonville FL 32256 Urb. La Tahona, Av. Principal. La Wow Services, Inc Attn: Alejandro Sosa Padilla Tahonera II. apto 1-A. Caracas 1080 Venezuela Wow Services, Inc IPG- Lorena Guerra 8588 NW 70 St Miami FL 33166 Wozniak, Chenine Address Redacted John Morrison WPX Energy Company Paul J. Forster (intended defendant: WPX Energy Williston, LLC) Crowley Fleck PLLP Joshua B. Cook 100 West Broadway # 250 Bismarck ND 58502 Wpx Energy Rm Company 25061 Network Pl Chicago IL 60673-1250 Wpx Energy Rocky Mountain LLC Scanning S6, PO Box 21358 Tulsa OK 74121-1358 WPX ENERGY ROCKY MOUNTAIN, LLC PO BOX 21810 Tulsa OK 74121 Wpx Energy Ryan Gulch LLC Scanning S6 Po Box 21358 Tulsa OK 74121-1358 WPX ENERGY VAN HOOK GATHERING SERVICES, LLC Address Redacted Wpx Energy Williston, LLC 21237 Network Place Chicago IL 60673-1212 Wr Operating LLC 3811 Turtle Creek Blvd Ste 550 Dallas TX 75219 Wright, Joshua Address Redacted Wrw Energy Co C/O Tacy Hahn & Stephen Weeks 600 17Th St Suite 2800 South Denver CO 80223 Wrw Wind River LLP 600 17Th Street Suite 2800 S Denver CO 80202 Wsb Resources LLC PO Box 54558 Oklahoma City OK 73154 Wtg Fuels Inc PO Box 3514 211 W Colorado Midland TX 79702 Wurm, Brian Address Redacted Wws Land Co LLC - C/O Keybk Unique Asset #997129952 4900 Tiedeman Road Brooklyn OH 44144-2302 Wy Office Of State Lands Office Of State Lands & Investments Cheyenne WY 82002-0600

Wy Ogcc Office Of State Oil And Gas Supervisor Po Box 2640 Casper WY 82602-2640 Wy Secretary Of States Office Herschler Bldg East Ste.100 & 101 Cheyenne WY 82002-0020 Herschler Building East, 122 W Wy Secretary Of States Office 25th St Suites 100 And 101 Cheyenne WY 82002 Wyco 2023 6814 Valley View Place Cheyenne WY 82009 Wylene J Mcholland Address Redacted Wylie Law 801 W Front St Argyle TX 76226 Wyman, Kallen Address Redacted Wynn-Crosby Partners II Ltd 15660 N Dallas Pkwy Ste 1175 Dallas TX 75248

Wynona Tank Thompson Revocable Trust Dtd 10-12-17 Address Redacted Wynona Thompson Address Redacted Wyoco Royalty Partners LLC 410 17th Street Suite 1150 Denver CO 80202 Wyoming Business Division Attn: Lisa Gonzales Hescheler Building East 122 W 25th Street Suite 101 Cheyenne WY 82002 Wyoming Casing Service Inc PO Box 1153 Dickinson ND 58602 Wyoming Department of Environmental Quality 200 W 17th Street Cheyenne WY 82002 Wyoming Department Of Environmental Quality 200 W 17th Street Cheyenne WY 82001

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 643 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 646 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country 200 W. 17th St. Wyoming Department Of Environmental Quality Cheyenne, Wy 82001 Wyoming Department of Environmental Quality Attn: Callie Papoulas 2320 Capitol Avenue Cheyenne WY 82002 WYOMING DEPARTMENT OF ENVIRONMENTAL QUALITY ("WDEQ") 200 WEST 17TH STREET Cheyenne WY 82001 122 West 25Th Street, Suite Wyoming Department Of Revenue Herschler Building East E301 Cheyenne WY 82002 Wyoming Department Of Revenue And Taxation 122 W 25th Street Cheyenne WY 82002-0110 Wyoming Department of Treasury Attn: Curtis E. Meier, Jr. Herschler Building East 122 W 25th Street Suite E300 Cheyenne WY 82002 Wyoming Department of Workforce Services Attn: John Cox 1510 E Pershing Blvd Cheyenne WY 82002 Services - Division Of Workers Wyoming Dept Of Workforce Compensation Po Box 20006 Cheyenne WY 82003 Wyoming Deq - Air Quality Division 200 West 17th St - 3rd Floor Cheyenne WY 82002 Wyoming Gas Company 101 Division Street Worland WY 82401 Wyoming Gas Company Po Box 19 Worland WY 82401

Wyoming Occupational Safety and Health Administration Cheyenne State Plan Office 1510 E Pershing West Wing Cheyenne WY 82002 Wyoming Office Of The Attorney General Kendrick Building 2320 Capitol Ave Cheyenne WY 82002 Wyoming Office of the Attorney General Attn: Bridget Hill Kendrick Building 2320 Capitol Avenue Cheyenne WY 82002 Wyoming Office of the Attorney General Consumer Protection Unit 2320 Capitol Avenue Cheyenne WY 82002 Wyoming Oil & Gas Conservation 2211 King Blvd Casper WY 82604 Wyoming Oil & Gas Conservation PO Box 2640 Casper WY 82602

WYOMING OIL & GAS CONSERVATION COMMISSION 2211 KING BLVD. P.O. BOX 2640 Casper WY 82602-2640 Wyoming Secretary Of State Herschler Building East 122 W 25Th St, Suite 100 Cheyenne WY 82002-0020 Wyoming Secretary Of State 2020 Carey Ave Ste 700 Cheyenne WY 82002-0020 Wyoming State Lands And Investments 122 West 25th Street Herschler Building Cheyenne WY 82002-0600 WYOMING STATE LANDS 122 WEST 25TH STREET Cheyenne WY 82002-0600 Wyoming State Lands And Investments 122 West 25th Street Herschler Building Cheyenne WY 82002-0600 Wyoming State Lands And Investments Herschler Building East 122 W 25Th St, Suite 100 Cheyenne WY 82002-0600 Wyoming State Treasurer Unclaimed Property Division 122 West 25th St Ste E200 Cheyenne WY 82002 Wyoming Survey Of Butane, Natural Gas 5300 Bishop Boulevard Cheyenne WY 82009 Wyoming Work Warehouse Address Redacted Xcel Energy 414 Nicollet Mall Minneapolis MN 55401 Xcel Energy Po Box 9477 Minneapolis MN 55484-9477 Xcel Energy Bankruptcy Department PO BOX 9477 Minneapolis MN 55484 XCEL ENERGY PO BOX 9477 Minneapolis MN 55484-9477 XCEL ENERGY-8578 414 NICOLLET MALL Minneapolis MN 55401 XCEL NDT LLC Cole Morehead P.O. Box 146 Clifton KS 66937 Xcel Ndt LLC PO Box 146 Clifton KS 66937 XCEL SEISMIC, INC. 2218 WINDMILL DRIVE Richmond TX 77469 ATTN: OFFICE OF GENERAL XEROX CORPORATION COUNSEL 45 GLOVER AVENUE P.O. BOX 4505 Norwalk CT 06856-4505 XEROX CORPORATION PO BOX 660501 Dallas TX 75266-0501 Xerox Corporation PO Box 7405 Pasadena CA 91109-7405 Xerox Corporation PO Box 802555 Chicago IL 60680-2555 Xh LLC Xto Energy Inc As Agent PO Box 840780 Dallas TX 75284-0780 XH LLC 810 HOUSTON ST Fort Worth TX 76102 Xiangyang Xuan Address Redacted Xl Specialty Insurance Company 70 Seaview Avenue Stamford CT 06902-6040 Xog Employee Royalty Fund LLC PO Box 352 Midland TX 79702 C/O CAPITOL CORPORATE XPLOR ENERGY OPERATING COMPANY SERVICES, INC 8550 UNITED PLAZA BUILDING II, SUITE 305 Baton Rouge LA 70809 Xpo Logistics Freight Inc 29559 Network Pl Chicago IL 60673-1295 X-Site Energy LLC Thomas Monteith 32915 Mission Way Mission BC V2V 6E4 Canada X-Site Energy Services LLC 497 116th Ave Sw Killdeer ND 58640 X-SITE ENERGY SERVICES LLC. 497 116TH AVE SW Killdeer ND 58640 Xto Energy Inc PO Box 840780 Dallas TX 75284-0780 C/O CORPORATION SERVICE XTO ENERGY INC COMPANY 320 SOMERULOS STREET Baton Rouge LA 70802 XTO ENERGY INC PO BOX 840780 Dallas TX 75284-0780 Xto Energy Inc PO Box 840791 Dallas TX 75284-0791 In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 644 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 647 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Xto Energy Inc Formerly Cross Timbers O C LP PO Box 840780 Dallas TX 75284-0780

XTO Energy Inc. Attn: Elizabeth Murphy 22777 Springwoods Willage Pkwy N1.5B.375 Spring TX 77389 XTO ENERGY INC. PO BOX 840780 Dallas TX 75284-0780 Attn: J. Robert Forshey and Lynda XTO Energy Inc. & ExxonMobil Corporation c/o Forshey & Prostok LLP L. Lankford 777 Main Street, #1550 Fort Worth TX 76102-5304 XTO Energy Inc., XH LLC, ExxonMobil Exploration Co. and ExxonMobil Corporation c/o Forshey & Prostok, LLC Attn: J. Robert Forshey 777 Main Street, Suite 1290 Fort Worth TX 76102 Xto Energy Offshore Inc PO Box 840780 Dallas TX 75284-0780 XTO ENERGY, INC PO BOX 840780 Dallas TX 75284-0780 XTO ENERGY, INC. c/o Forshey & Prostok, LLP Attn: J. Robert Forshey 777 Main Street Suite 1550 Fort Worth TX 76102 Xto Energy, Inc. C/O Fredrickson & Byron P.A. 1133 College Drive #1000 Bismarck ND 58501

XTO ENERGY, INC. C/O FREDRICKSON & BYRON P.A. ATTN: LAWRENCE BENDER 1133 COLLEGE DRIVE #1000 Bismarck ND 58501 Xto Energy, Inc. C/O Fredrickson & Byron P.A. Attn: Lawrence Bender 1133 College Drive, #1000 Bismarck ND 58501 Xto Energy, Inc., Continental Resources Inc. c/o Fredrickson & Byron P.A. Attn: Lawrence Bender 1133 College Drive #1000 Bismarck ND 58501 Xto Energy, Inc., Continental Resources Inc. c/o Fredrickson & Byron P.A. Attn: Spencer Ptacek 1133 College Drive #1000 Bismarck ND 58501 Xto Holdings LLC PO Box 840780 Dallas TX 75284-0780 XTO HOLDINGS LLC PO BOX 840780 Dallas TX 75284-0780 XTO HOLDINGS, LLC P O BOX 840780 Dallas TX 75284-0780 Xto Offshore Inc PO Box 730586 Dallas TX 75373-0586 Xto Offshore Inc Attn: Betty Moots PO Box 730586 Dallas TX 75373 Xtreme Powder Coating Inc PO Box 1003 Denver City TX 79323 Xyz Corporation Y Over Bar Ranch Mineral Holding Company LLC 402 1st Ave E PO Box 124 Arnegard ND 58835 Yan S Chung Address Redacted Yankee Consulting LLC PO Box 912524 Denver CO 80291-2524 Yanto Mualim Address Redacted Yarbrough, Elmer Address Redacted Yardbird Holding Co, LLC C/O John Fredlund PO Box 1362 Billings MT 59103 Yates Cattle Family Limited Partnership Viki Or Justin Yates Address Redacted Yates E Brown Address Redacted Yates Industries LLC PO Box 1091 Artesia NM 88211-1091 Yates, Michael Address Redacted Yavapai College Foundation 1100 E Sheldon St #6904 Prescott AZ 86301-3297 Ybarra, Marjorie Address Redacted Yellow Ribbon Inc PO Box 6901 Denver CO 80261 Yellowstone Enterprises LLC 17171 Park Row Ste 270 Houston TX 77084 Yellowstone River Acreage Dispute Bank Of North Dakota ND Yellowstone Township 3592 159th Ave Nw Fairview MT 59221 Yeti Coolers LLC PO Box 163686 Austin TX 78716 Yielding, John Address Redacted Yin Ying Ow & Chris Ow JT Ten Address Redacted Ymca Of Metro Denver Association Services 2625 S. Colorado Blvd. Denver CO 80222 Yna Inc PO Box 777 Yoakum TX 77995 Yoakum County PO Box 250 Plains TX 79355 c/o Perdue, Brandon, Fielder, Collins & Yoakum County Tax Office Mott, LLP Attn: Laura J. Monroe PO Box 817 Lubbock TX 79408 Yoakum County, TX Treasurer 601 Cowboy Way Plains TX 79355 Yoakum County, TX Treasurer 601 Cowboy Way Po Box 492 Plains TX 79355 Yolanda L Evans Address Redacted Yolanda Wooden Address Redacted Yosefu Hauge Address Redacted Yosemite Creek Oil & Gas LLLP 4350 South Monaco St 5th Floor Denver CO 80237 Young Revocable Tr Paul Young Successor Trtee 8323 Rainbow Sky St Las Vegas NV 89131-0231 Young Trust Carol Towler - Trustee Address Redacted Young, Jordan Address Redacted Youngblood Ltd Penny Lee Youngblood Gp PO Box 730 Millsap TX 76066 Youngquist Brothers Oil & Gas Nd Inc 15465 Pine Ridge Raod Fort Myers FL 33908 Youth For Christ PO Box 1193 Williston ND 58802 Ysidra Black Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 645 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 648 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Ystaas Electrical Service LLC PO Box 1155 Dickinson ND 58602 Yucca Energy Inc PO Box 1932 Midland TX 79702 Yvetta D Kimmell Address Redacted Yvonne A & Robert M Topp Jtwros Address Redacted Yvonne Dean Address Redacted Yvonne E Berg Address Redacted Yvonne E Johnston Address Redacted Yvonne Fourqurean Parker Frost National Bank Trustee Frank Cathy T-6 Acct A-0347000 Address Redacted Yvonne Gilstrap Address Redacted Yvonne Hummel Address Redacted Yvonne J Freeman Address Redacted Yvonne J Hilbern Rev Trust Marcella J Emerson-Peters - Trustee Address Redacted Yvonne K Gatz Address Redacted Yvonne L Elker Address Redacted Yvonne M Hurley Family Mineral Trust Yvonne M Hurley - Trustee Address Redacted Yvonne M Mcgrath Address Redacted Yvonne Pecora Address Redacted Yvonne Richardson Address Redacted Yvonne Schreiner Lance Schreiner - Poa Address Redacted Yvonne Shotwell Cooke Address Redacted Yvonne Sweeney Address Redacted Z I Am Ltd 200 Westlake Park Blvd Ste 501 Houston TX 77079 Zach A Johnson Estate Address Redacted Zach A Johnson Jr Address Redacted Zach Wyles Address Redacted Zachary B Logsdon Address Redacted Zachary Kroner Jeremy Kroner - Custodian Address Redacted Zachary Scott Mueller Address Redacted Zachary Sullivan Address Redacted Zachary Wahlstrom Address Redacted Zadine L Kingland Address Redacted Zaitlin Geoconsulting Ltd 3236 Boulton Road Nw Calgary AB T2L 1M3 Canada Zane M Jackson Address Redacted Zane Neal Bobbitt Address Redacted Zanna Tucker Kerr Address Redacted Zaun, Zachary Address Redacted ZAVANNA 1200 17TH STREET SUITE 1100 Denver CO 80202 Zavanna LLC 1200 17th St, Ste 1100 Denver CO 80202 ZAVANNA LLC 1200 - 17TH STREET SUITE 1100 Denver CO 80202 ZAVANNA LLC 1200 - 17TH STREET SUITE 2850 Denver CO 80202 ZAVANNA LLC 1200 17TH ST, STE 1100 Denver CO 80202 Zavanna LLC Attn: William L. Coleman 1200 17th St Suite 1100 Denver CO 80202 Zavanna Orr LLC 1200 17th St Ste 1100 Denver CO 80202 Zavanna, LLC ZAVANNA, LLC 1200 17TH STREET SUITE 1100 Denver CO 80202 ZAVANNA, LLC 1200 - 17TH STREET SUITE 2850 Denver CO 80202 ZAVANNA, LLC 1200 17TH ST, STE 1100 Denver CO 80202 Zavanna, LLC Attn: Ryan T. Kackley 1200 17th St Suite 1100 Denver CO 80202 633 SEVENTEENTH ZAVANNA, LLC C/O SHERMAN & HOWARD ATTN: TAMIR GOLDSTEIN STREET SUITE 3000 Denver CO 10303 Zavanna, LLC c/o Steptoe & Johnson PLLC Attn: Gary Nickerson 400 White Oaks Boulevard Bridgeport WV 26330 1780 Hughes Landing Blvd Zavanna, LLC & Zavanna Orr, LLC c/o Steptoe & Johnson PLLC Steptoe & Johnson PLLC Attn: Arthur M. Standish Suite 750 The Woodlands TX 77380 Zbyte 475 17th Street, Suite 600 Denver CO 80202 Zeeshan Makhani Address Redacted

Zeidler Family Limited Partnership Cherryl R Gilmer )Gp) Address Redacted Zelda Becker Trust Ralph Becker Ttee Address Redacted Zelinski, Tracy Address Redacted In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 646 of 647 Case 20-32021 Document 770 Filed in TXSB on 09/17/20 Page 649 of 649

Exhibit A Served via First-Class Mail

Name Attention Address 1 Address 2 Address 3 City State Zip Country Zella Mae Acker Address Redacted Zelma Wright Taylor Test Trst Michael & Lance Taylor Trstees Address Redacted Zena Beth Mcglashan Address Redacted Zeneco Inc 6100 South Yale Ave Ste 1700 Tulsa OK 74136-1921 Zeneco Iv LLC 6100 South Yale Ave Ste 1700 Tulsa OK 74136 Zeneco Iv LLC 6100 South Yale Ave, #1700 Tulsa OK 74136 Zenergy Operating Company LLC 6100 South Yale Suite 1700 Tulsa OK 74136 Zenith Petroleum Corp 5766 S Ivy St Greenwood Village CO 80111 Zest Investments LLC 250 Fillmore St Unit 500 Denver CO 80206-5012 Zest Investments LLC 250 Fillmore St Ste 500 Denver CO 80206 Zettie Grace Tyson Address Redacted Zeus Petroleum Inc PO Box 458 Bellaire TX 77402-0458 Zia Royalty LLC PO Box 2160 Hobbs NM 88241 Zillner, Ryan Address Redacted Ziman Trucking LLC PO Box 749 Dickinson ND 58601 Ziman Trucking LLC PO Box 749 Dickinson ND 58602-0749 Zimmer & Paulson Family Revocable Trust Zimmerman, Scott Address Redacted Zingleman Fam Mineral Trust Gregory K Whittaker & Monte Gaulker - Co-Trustees 54453 E Wolf Creek Dr Strasburg CO 80136 Zion Evangenlical Lutheran Church PO Box 445 Fairview MT 59221 Zion Lutheran Church PO Box 548 Tioga ND 58852 Zipple, Nathaniel Address Redacted ZKB Properties LLC 6580 Holman Street Unit 104 Arvada CO 80004-3505 Zoar Cemetery Corporation 1561 138th Avenue Nw Arnegard ND 58835 Zoe Ann Witt Moorer Address Redacted Zoe Clausen Koller Address Redacted Zoe Lyn Hess Caldwell Address Redacted Zola Garlene Lamb Address Redacted Zola Oil Company 623 E Broadway P O Box 867 Centralia IL 62801 Zoller, Raymond Address Redacted Zona L Kreidle Address Redacted Zoom Video Communications Inc PO Box 398843 San Francisco CA 94139-8843 ZOOM VIDEO COMMUNICATIONS, INC. 55 ALMADEN BLVD 6TH FLOOR San Jose CA ZOOM VIDEO COMMUNICATIONS, INC. 55 ALMADEN BLVD 6TH FLOOR San Jose CA Zora Lvetta Spotted Bear Address Redacted Zpz Delaware I LLC C/O Apache Corporation PO Box 840133 Dallas TX 75284-0133 Zrc Minerals LP 1616 S Voss Ste 875 Houston TX 77057 Zrkr Consulting Inc PO Box 51206 Billings MT 59105 Zuchara, Logan Address Redacted Zuma Place, LLC 48 County Road 250, Suite 5 Durango CO 81301 Zuniga Family Trust Fernando F Zuniga III Trustee Federico C Zuniga Trustee Address Redacted Zurich American Insurance Company 1299 Zurich Way Schaumburg IL 60196-1056

In re: Whiting Petroleum Corporation, et al. Case No. 20-32021 (DRJ) Page 647 of 647