EXHIBIT A Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country 10K GOLD PROMOTIONS PO Box 1296 FAIR OAKS CA 95628 10K WIZARD TECHNOLOGY LLC 1950 STEMMONS Ste 7016 DALLAS TX 75207 1ST DAKOTA NATIONAL BANK 225 CEDAR ST YANKTON SD 57078-4333 2002 MEA MFT EXHIBITS 1232 EE 6TH Ave HELENA MT 59601 2003 MEA MFT EXHIBITS PO Box 147 GLENDIVE MT 59330 281 TRAVEL CENTER 601 COMMERCIAL AVE SW WOLSEY SD 57384 2M COMPANY 1215 CORDOVA ST BILLINGS MT 59101-6389 3 C ELECTRIC 310 E Railroad CUT BANK MT 59427 3 RIVERS COMMUNICATIONS PO Box 429 FAIRFIELD MT 59436-0429 3 Rivers Wireless PO Box 819 Fairfield MT 59436 3C Electric 310 E Railway Cut Bank MT 59427 3E COMPANY 1905 ASTON AVE STE 100 CARLSBAD CA 92008 3M PO Box 1450 MINNEAPOLIS MN 55485-9045 3MAERDEEN ATTN PAUL MICKA 2500 HUDSON RD BUILDING 2241N04 ST PAUL MN 55144 3MBROOKINGS ATTN DAREL PALM BOX 5227 BROOKINGS SD 57006-5227 3MBROOKINGS ATTN PAUL MICKA 2500 HUDSON RD BUILDING 2241N04 ST PAUL MN 55144 4 BS RESTAURANT 3495 W Broadway MISSOULA MT 59802 4 RIVERS CONCRETE PO Box 168 SHERIDAN MT 59749 4 SEASONS PLUMBING & HEATING 110 N CROW AVE HARDIN MT 59034 4G ELECTRIC PO Box 3538 MISSOULA MT 59801 4G PLUMBING & HEATING INC 1515 WYOMING MISSOULA MT 59801 5 STAR AUTO CRAFTERS 800 DAKOTA N HURON SD 57350 A & A ASPHALT MAINTENANCE 2326 W CENTRAL MISSOULA MT 59801 A & A IMPLEMENT INC 102 2ND St E ROUNDUP MT 59072-2910 A & A PARTS SUPPLY & SERVICE PO Box 301 AUGUSTA MT 59410 A & B BUSINESS EQUIPMENT INC 2904 W RUSSELL ST SIOUX FALLS SD 57107 A & D CAMPERS INC 515 32ND AVE BROOKINGS SD 57006 A & M FIRE & SAFETY INC 739 UTAH BUTTE MT 59702 A & M FIRE & SAFETY INC 739 UTAH PO Box 4425 BUTTE MT 59702 A & O ELECTRIC LLC PO Box 4485 HELENA MT 59604 A & R EXTERIORS INC 19 CHINOOK TRAIL BOZEMAN MT 59718 A & S HARDWARE HANK 516 MAIN WEBSTER SD 57274 A & S METALS 2100 MEADOWLARK BUTTE MT 59701 A & T FIBERGLASS REPAIR OF 1014 VALLEYVIEW DR GREAT FALLS MT 59404 A & W OFFICE SERVICE 100 N 27TH ST BILLINGS MT 59101 A 1 AUTO AND TRUCK COLLISION REPAIR 2141 OLD HWY 14 W HURON SD 57350 A 1 GAS & GO 220 W HWY 50 AVON SD 57315 A 1 JANITORIAL PO Box 1093 MITCHELL SD 57301 A 1 LANDSCAPING 1730 S 48TH ST W BILLINGS MT 59106-3770 A 1 LOCKSMITHING 512 S MAIN ST ABERDEEN SD 57401 A 1 REFINISHING 4154 MITCHELL BILLINGS MT 59101 A 1 RENTALS 1400 CEDAR ST HELENA MT 59601 A 1 RENTALS 2001 GRAND Ave BILLINGS MT 59102 A 1 SANITATION PO Box 5371 KALISPELL MT 59903 A 1 TOWING 2905 N MONTANA AVE HELENA MT 59601 A B C D GIRLS SOFTBALL 312 W 17TH GRAND ISLAND NE 68801 A CORE OF IDAHO INC PO Box 2559 IDAHO FALLS ID 83403-2461 A Core of Idaho LLC dba A Core of Missoula Inc PO Box 2559 Idaho Falls ID 83403-2559 A CORE OF MONTANA INC DBA: ACORE OF MISSOULA IDAHO FALLS ID 83403-2559 A FEW MORE BOOKS 520 N 32ND BILLINGS MT 59101 A G A DISTRIBUTION CENTER 610 WINTERS Ave PARAMUS NJ 07652 A I CREDIT CORP PO Box 73095 CHICAGO IL 60673-7095 A OX WELDING SUPPLY CO INC PO Box 86667 SIOUX FALLS SD 57118-6667 A PLUS PRINTER SERVICE & SUPPLIES 604 W Cascade St SIOUX FALLS SD 57108-3121 A TECH 2936 4TH ST NE WATERTOWN SD 57201 A TO Z LOCK & KEY 1900 4TH St NE GREAT FALLS MT 59409 A TO Z MECHANICAL 501 40TH ST SW FARGO ND 58103 A TO Z SEW & VAC 266 DAKOTA S HURON SD 57350 A&M Fire and Safety Inc 739 Utah Butte MT 59701 A&M MARKET PO Box 454 KIMBALL SD 57355 A&M TOWING 415 1ST AVE SE ABERDEEN SD 57401 A&S Metals PO Box 3772 Butte MT 59701-6800 A/R BLUMBERG EXCELSIOR 62 WHITE ST NEW YORK NY 10013 A1 Janitorial 412 N Foster Mitchell SD 57301 AAA FENCING & WELDING INC 1008 US HIGHWAY 93 N VICTOR MT 59875 AAA SELF SERV STORAGE PO Box 212 HELENA MT 59624 AAIM MANAGEMENT ASSOCIATION 3700 S LINDBERGH BLVD ST LOUIS MO 63127 AAIM MANAGEMENT ASSOCIATION 3700 SOUTH LINDBERGH BLVD ST LOUIS MO 63127 AARON PRUITT 722 S GRAND AVE BOZEMAN MT 59715 ABB 3201 S LAKEPORT SIOUX CITY IA 51106 ABB AUTOMATION INC PO Box 730293 DALLAS TX 75373-4888 ABB INC 35 N SNOWDRIFT RD ALLENTOWN PA 18106 ABB INC 7921 SOUTHPARK PLAZA Ste 210 LITTLETON CO 80120 ABB INC 9000 Regency Parkway Ste 300 Cary NC 27511 ABB INC 9000 Regency Parkway Ste 300 Cary NC 27511 ABB INC PO Box 687 PINETOPS NC 27864 ABB INC ROUTE 1 HWY 412 ALAMO TN 38001 ABB INC C/O WINN MARION 710 GRAND AVE No12 BILLINGS MT 59101 ABB POWER T & D COMPANY PO Box 70088 CHICAGO IL 60673-0088 ABB POWER T & D COMPANY INC 475 E 500 S Ste 250 SALT LAKE CITY UT 84111 ABBOTT HOUSE PO Box 700 MITCHELL SD 57301 ABBY KROUPA KIMBALL HIGH SCHOOL KIMBALL SD 57355

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 1 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ABC RENTAL & EQUIPMENT SALES 1624 W BEALL St BOZEMAN MT 59715 ABC RENTAL & EQUIPMENT SALES 3750 GRANT CREEK RD MISSOULA MT 59808 Aberdeen American News 124 S 2nd St Aberdeen SD 57401 Aberdeen American News Po Box 4430 Aberdeen SD ABERDEEN AREA BOYS & GIRLS 1111 E 1ST AVE ABERDEEN SD 57401 ABERDEEN ASPHALT INC PO Box 1007 ABERDEEN SD 57402 ABERDEEN BUILDERS EXCHANGE 422 5TH AVE SE STE 106 ABERDEEN SD 57401 Aberdeen Catholic Schoo 1400 N Dakota St Aberdeen SD 57401-4414 Aberdeen Catholic Schoo 505 SE 3rd Ave Aberdeen SD ABERDEEN CATHOLIC SCHOOL SYSTEM 1400 N DAKOTA ST ABERDEEN SD 57401 ABERDEEN CATHOLIC SCHOOL SYSTEM HIGH SCHOOL 1400 N DAKOTA ST ABERDEEN SD 57401 ABERDEEN CENTRAL BOOSTER PO Box 459 ABERDEEN SD 57401 ABERDEEN CHAMBER OF COMMERCE 516 S MAIN ST ABERDEEN SD 57402-1179 Aberdeen Chrysler Center Attn Mike Mikula 901 Auto Plaza Dr Aberdeen SD 57401 ABERDEEN CLEAN ALL 908 NINTH AVE NE ABERDEEN SD 57401 ABERDEEN DEVELOPMENT CORPORATION 416 PRODUCTION St N ABERDEEN SD 57401 Aberdeen Development Corporation 715 n Brown County 19 Aberdeen SD 57402-1179 Aberdeen Development Corporation Attn Jim Barringer Banner Shedahl Building PO Box 1179 Aberdeen SD 57402-1179 ABERDEEN EQUIPMENT COMPANY 5055 E HIGHWAY 12 ABERDEEN SD 57401 ABERDEEN FAMILY PHYSICANS 815 1ST AVE SE STE 104 ABERDEEN SD 57401 ABERDEEN FAMILY YMCA 420 S LINCOLN ABERDEEN SD 57401 ABERDEEN FEDERAL CREDIT UNION PO Box 1495 ABERDEEN SD 57402-1495 ABERDEEN FRATERNAL PO Box 1176 ABERDEEN SD 57402-1176 ABERDEEN GLASS & MIRROR 700 S MAIN ST ABERDEEN SD 57401 ABERDEEN HOCKEY ASSOCIATION 12944 IRONWOOD DR ABERDEEN SD 57401 ABERDEEN HOUSING 2324 3RD AVE SE ABERDEEN SD 57401 Aberdeen Housing Authority 2222 3rd Ave SE Aberdeen SD 57401 Aberdeen Housing Authority Homestead Attn Mrs Juletta M Smith 2222 3rd Ave SE Aberdeen SD 57401 Aberdeen Living Center 1700 N Hwy 281 Aberdeen SD 57401 ABERDEEN LOCK & KEY 14 1/2 3RD AVE SW ABERDEEN SD 57401 Aberdeen Motors Inc 901 Auto Plaza Dr Aberdeen SD 57401 ABERDEEN OPTIMIST CLUB PO Box 583 ABERDEEN SD 57402-0583 aberdeen parks & rec 123 s linclon st aberdeen SD 57401 ABERDEEN PARKS REC & FORESTRY 612 SE 10TH AVE ABERDEEN SD 57401-7740 ABERDEEN PLUMBING AND HEATING SVCS PO Box 729 ABERDEEN SD 57402-0729 ABERDEEN PUBLIC SCHOOL District Service Center 314 S MAIN ST ABERDEEN SD 57401-4146 Aberdeen Public Schools Attn Scott Sikkink Director of Buildings and Grounds 225 SE 3rd Ave Aberdeen SD 57401 ABERDEEN SANDBLASTING & 603 9TH AVE SW ABERDEEN SD 57401 Aberdeen School District May Overby Schoo Attn Business Manger Po Box 4203 Aberdeen SD 57402-4203 Aberdeen School District 61 Attn Dan Hoke Superintenden Henry Neill Elementry 225 Third Ave SE Aberdeen SD 57401 Aberdeen School District 61 c o Business Manager 203 3rd Ave SE Aberdeen SD 57401 Aberdeen School District 61 for Holgate Jr High c o Business Manager 203 3rd Ave SE Aberdeen SD 57401 Aberdeen School District 61 Henry Neill Elementry 1215 6th Ave SE Aberdeen SD 57401 Aberdeen School District 61 Howard Hedger School PO Box 4203 Aberdeen SD 57402 4203 Aberdeen School District 61 Simmona Jr High School Attn Business Manger 203 3rd Ave SE Aberdeen SD 57402-4203 ABERDEEN TV & APPLIANCE INC 20 6TH AVE SE ABERDEEN SD 57401 ABF FREIGHT SYSTEMS 4300 STATE Ave BILLINGS MT 59101 ABLE 2 PRODUCTS COMPANY PO Box 543 CASSVILLE MO 65625-0543 ABLE AUTO GLASS 1801 W BURNSIDE SIOUX FALLS SD 57104 ABN AMRO BANK 208 S LASALLE Ste 1500 CHICAGO IL 60604 ABSAROKEE HIGH SCHOOL 327 SOURTH WOODARD ABSAROKEE MT 59001 ABSAROKEE RECREATIONAL ASSOCIATION PO Box 846 ABSAROKEE MT 59001 AC MUSIC BOOSTERS PO Box 106 PICKSTOWN SD 57367-0106 ACCIDENT RECORDS 700 E Broadway PIERRE SD 57501 ACCOM INC PO Box 2980 GRASS VALLEY CA 95945 ACCOUNTS MANAGEMENT CORP OF MT PO Box 3107 GREAT FALLS MT 59403-3107 ACCOUNTS MANAGEMENT INC 5132 S CLIFF AVE 1 SIOUX FALLS SD 57108-5437 ACCOUNTS MANAGEMENT INC PO Box 1843 SIOUX FALLS SD 57101 ACCURATE CALIBRATION SERVICES 32 ELYCRODT AVE ROCKAWAY NJ 07866 ACCURINT 6601 PARK OF COMMERCE BLVD BOCA RATON FL 33487 Accurint Michael Saraceno 6601 Park of Commerce Boca Raton FL 33487 ACCUTITLE INC 1216 16TH ST W Ste 16 BILLINGS MT 59102-4198 Ace Electric Inc 808 W Main Laurel MT 59044 ACE ELECTRIC INC PO Box 520 LAUREL MT 59044-0520 ACE HARDWARE 307 W 58TH ST KEARNEY NE 68845 ACE KELLY HALL PLMB & HTG PO Box 1808 BOZEMAN MT 59715-1808 ACE REFRIGERATION 1343 RIVER St MISSOULA MT 59801 ACE SOLVENT SYSTEMS INC PO Box 8722 KALISPELL MT 59903 ACE USA DEPT CH 10123 PALATINE IL 60055-0123 ACEUSA ACE Bond Services Insurance Compay of North America et al DEPT CH 10123 PALATINE IL 60055-0123 ACHIEVEGLOBAL PO Box 75708 CHARLOTTE NC 28275 ACME CHEMICAL TOILET c o Brian & Lana O Myer 51 Sunrise Dr Kalispell MT 59901 ACOMA LOUNGE INC 60 E BROADWAY BUTTE MT 59701 ACSIS INC 3000 LINCOLN Dr E MARLTON NJ 08053 ACT PO Box 1181 MITCHELL SD 57301 ACT TELECONFERENCING SERVICES INC DEPT 1033 DENVER CO 80291-1033 ACTARIS US GAS 970 HWY 127 N OWENTON KY 40359 ACTERNA 12410 MILESTONE CENTER Dr GERMANTOWN MD 20876-7100 ACTION AIR 5776 LINCOLN RD W HELENA MT 59602 ACTION AUTO GLASS OF MISSOULA 2825 STOCKYARD Rd No1 MISSOULA MT 59808

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 2 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ACTION BATTERY 484 HIGHWAY 35/64 SOMERSET WI 54025 ACTION ELECTRIC INC PO Box 2415 BILLINGS MT 59103 ACTION ELECTRICAL & SERVICE INC PO Box 10337 HELENA MT 59604 ACTION FIRE EXTINGUISHER SERV PO Box 521 EAST HELENA MT 59635 ACTION FOR EASTERN MONTANA PO Box 1309 GLENDIVE MT 59330-1309 ACTION LAWN SERVICE 213 E 3RD ST YANKTON SD 57078 ACTION LAWN SERVICE 213 EAST 3RD ST YANKTON SD 57078 ACTION PROPERTY MGMT INC 1118 1/2 N Eddy St GRAND ISLAND NE 68801-3761 Action Realty 1301 Elm Ste A Helena MT 59601 ACTIVE DATA SYSTEMS PO Box 1212 SIOUX FALLS SD 57101 ACTIVE HEATING INC 115 N MAPLE WATERTOWN SD 57201-2243 Ada M Daniels 135 Willow St Apt 1003 Brooklyn NY 11201-1216 Ada M Daniels The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Adam Jupiter 119 EYLAND AVE SUCCASUNNA NJ 07876-1501 ADAMS CONSTRUCTION 702 W ASH ST CANISTOTA SD 57012 ADDCO OFFICE SYSTEMS INC 2621 OVERLAND AVE STE B BILLINGS MT 59102 ADDY DISPOSAL PO Box 145 CANISTOTA SD 57012-0145 Adelaide Hroncich 4900 Brittany Dr SO Apt 1402 St Petersburg FL 33715-1646 Adelaide Hroncich The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Adeline Marie and Walter Vanhove PO Box 627 Howard SD 57349 Adeline Marie and Walter Vanhove PO Box 627 Howard SD 57349 Adeline Marie and Walter Vanhove The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ADI 7112 S 212TH ST KENT WA 98032 Adjustment Training Center Attn Manager 607 N 4th St Aberdeen SD 57401 ADLER JAYSON 17620 444TH Ave HAZEL SD 57242 Administrative Agent of AT&T Corp 55 Corporate Dr Bridgewater NJ 088071265 ADMINISTRATIVE PROFESSIONAL PO Box 9225 MCLEAN VA 22102-0225 ADMINISTRATIVE RULES BUREAU STATE CAPITOL HELENA MT 59620-2801 ADMIRALS CLUB PO Box 676399 DALLAS TX 75267-6399 ADP INVESTOR COMM SERV ATTN John Fargnol 51 Mercedes Way Edgewood NY 11717

ADP INVESTOR COMMUNICATIONS SERVICE 55 CHALLENGER RD RIDGEFIELD NJ 07660

ADP INVESTOR COMMUNICATIONS SERVICE Attn John Fargnoli 51 Mercedes Way Edgewood NY 11717 ADP Investors Communication Service 51 Mercede Way Edgewood NY 11717 ADR MARSHALL YOUNG 8325 KINGS Rd RAPID CITY SD 57702 ADT SECURITY SERVICES 306 W Railroad Ste 108 MISSOULA MT 59802 ADT SECURITY SERVICES 306 WEST RAILROAD Ste 108 MISSOULA MT 59802 ADT SECURITY SYSTEMS 2110 0VERLAND AVE BILLINGS MT 59102 ADVANCE AUTO PARTS 1227 N DIERS AVE GRAND ISLAND NE 68802 ADVANCE ENGINEERING CORPORATIO 58 INDUSTRIAL RD ADDISON IL 60101 ADVANCED BUSINESS CONCEPTS PO Box 1048 MITCHELL SD 57301 ADVANCED DIESEL COMPONENTS 7075 N E COLUMBIA BLVD PORTLAND OR 97218 ADVANCED ENTERPRISE TECHNOLOGIES 4722 CAMPBELLS RUN ROAD PITTSBURGH PA 15205-1318 ADVANCED LITHO PRINTING 226 NINTH AVEE S GREAT FALLS MT 59405 ADVANCED REPORTING PO Box 510 SIOUX FALLS SD 57101 ADVANCED SILICON MATERIAL INC 3322 Rd N NEEE MOSES LAKE WA 98837 Advanced Silicon Materials Inc 119240 Rick Jones Way Butte MT 59750 ADVANCED SILICON MATERIALS INC 3322 Rd "N" NE MOSES LAKE WA 98837 Advanced Silicon Materials LLC 119140 Rick Jones Way Silver Bow MT 59702 ADVANCED SILICON MATERIALS LLC 119140 RICK JONES WAY SILVER BOW MT 59750 Advanced Silicon Materials LLC 119140 Rick Jones Way Butte MT 59702-3466 ADVANCED SPECIALTY GASES INC 280 B CONEY ISLAND Dr SPARKS NV 89431 ADVANCED TECHNOLOGY INTL INC 1820 WALLACE Ave Ste 108 ST CHARLES IL 60174 ADVANCED TECHNOLOGY SYSTEM INC 255 E ROSELAWN AVE STE 45 ST PAUL MN 55117 ADVANTAGE APPRAISALS INC 400 S Sycamore Ave Ste 104 4 SIOUX FALLS SD 57110-1255 Aelred Kurtenbach 331 32nd Ave PO Box 5128 Brookings SD 57006 AEM CORPORATION 1445 PALISADES Dr PACIFIC PALISADES CA 90272 AEOSTERMEIR ROUTE 1 BOX 229 GRAND ISLAND NE 68801 AERO THERMIC SHIELDS PO Box 434 BUENA PARK CA 90621 AF WIESELER CONSTRUCTION 1503 EASTSIDE DR YANKTON SD 67078 AFCO DEPT CH 10265 PALATINE IL 60055-0265 AFCO Premium Credit LLC 1 South 443 Summit Ave Ste 304A Oakbrook Terrace IL 60181 AFD INC 1450 W EVANS UNIT F DENVER CO 80223 AFFCO INC 1015 E 6TH ST ANACONDA MT 59711-2658 AFFINA CORPORATION 2001 RUPPMAN PLAZA PEORIA IL 61614 AFTER PROM COMMITTEE PO Box 172 MADISON SD 57042 AFTER PROM PARTY COMMITTEE 44 Bayhill MITCHELL SD 57301-5078 AG Edwards & Sons Inc c o ADP AG EDWARDS AND SONS 7702 E DOUBLE TREE RANCH RD SCOTTSDALE AZ 85258 AG NEWS 400 W 31ST ST SIOUX FALLS SD 57105 AGFA CORPORATION 200 BALLARDVALE St 20037P WILMINGTON MA 01887 AGILENT TECHNOLOGIES 301 E EVELYN AVE MOUNTAIN VIEW CA 94041 AGLAND COOP 115 S 1ST ST PARKSTON SD 57366 Agnes S Thomson 8 Smokebush Court Marlton NJ 08053-4406 Agnes S Thomson The Depository Trust Company 55 Water St 49th Fl New York NY 10041 AGNEW RANCH 781 LOWER SWEET GRASS RD BIG TIMBER MT 59011-1360 AGUILAR LAWN & JANITORIAL PO Box 99 GRAND ISLAND NE 68802 AI Credit Corp Imperial AI Credit Companies 160 Water Street 19th Fl New York NY 10038-4922 AI Credit Corp Imperial AI Credit Companies 160 Water Street, 19th Floor New York NY 10038-4922 AICPA PO Box 1598 NEWARK NJ 07101-1598 AICPA PO Box 5795 HICKSVILLE NY 11802-5795

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 3 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country AIG LIFE INSURANCE CO 500 W MADISON STE 2250 CHICAGO IL 60661 AIIM INTERNATIONAL DEPARTMENT 1083 DENVER CO 80291-1083 AIR & WASTE MANAGEMENT ASSOC 420 FORT DUQUESNE BLVD PITTSBURGH PA 15222-9355 AIR CONTROLS BOZEMAN INC 7510 SHEDHORN BOZEMAN MT 59718 AIR CONTROLS COMPANY INC PO Box 1277 BILLINGS MT 59103-1277 Air Controls Company Inc PO Box 1277 Billings MT 59103 AIR MANAGEMENT 12202 CARY CIR LA VISTA NE 68128 AIRBORNE EXPRESS PO Box 91001 SEATTLE WA 98111 Airborne Express Inc dba Airborne Expres Airborne Express Attn Edgar Korzeniowsk 3131 Elliott Avenue Ste 200 AGCY Seattle WA 98121-1047 AIRCELL DEPT 0095 DENVER CO 80256 AIRPAGE CAPITAL ANSWERING SERVICE 110 E LYNDALE HELENA MT 59601 AIT LABORATORIES 2265 Executive Dr A Indianapolis IN 46241-4352 AJ SHEET METAL PO Box 888 NORTH PLATTE NE 69103 AJS CATERING INC 1918 S MINNESOTA AVE SIOUX FALLS SD 57105 AKTION CLUB OF HELENA PO Box 4178 HELENA MT 59604 AL & RAYS BODY SHOP 903 W PORPHYRY BUTTE MT 59701 Al Harmata 5825 S 19th Bozeman MT 59715 AL HARMATA 5825 S 19TH RD BOZEMAN MT 59718 AL MOORE 19193 477TH AVE BRYANT SD 57281 AL ROSE WRECKER & REPAIR PO Box 4135 HELENA MT 59604 AL ROY AWARDS & SPEC TROPHY CS 613 N MAIN ST HELENA MT 59601 AL RUFENACH 2845 WHITEFISH STATE KALISPELL MT 59901 AL W VERPLOEGEN 3908 5TH AVE SO GREAT FALLS MT 59405 ALABAMA DEPARTMENT OF 649 MONROE ST MONTGOMERY AL 36131-4220 ALABAMA DEPARTMENT OF REVENUE PO Box 327330 MONTGOMERY AL 36132-7330 ALAN & NANCY RENNER 107 N MAIN ST CHAMBERLAIN SD 57325 Alan F Cain 405 Cypress Point Dr Palm Desert CA 92211 ALAN F CAIN c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Alan F Cain Joseph H Huston Jr Stevens & Lee PC 1105 N Market St 7th Floor Wilmington DE 19801 ALAN F CAIN Alan F Cain 405 Cypress Point Dr Palm Desert CA 92211 Alan F. Cain & NANCY RENNER Eckert Seamans,Cherin, & Mellot.LLC c/o Ronald S. Gellert,Esquire 4 East 8th Street, Suite 200 Wilmington DE 19801 ALAN R BLOOM MD PO Box 90 WEBSTER SD 57274 ALAN R RIZER 1506 E 25TH ST KEARNEY NE 68847 ALAN RENNER NANCY RENNER 107 N MAIN St CHAMBERLAIN SD 57325 ALASKA DEPARTMENT OF REVENUE PO Box 110420 JUNEAU AK 99811-0420 Albert Schmidt 5005 Pheasant Lane Sioux Falls SD 57108 ALBERTA ONECALL CORPORATION 2306940 FISHER ROAD SE CALGARY AB T2H 0W3 Canada Alberton High Schoo PO Box 330 Alberton MT 59820 ALBERTSONS GENERAL OFFICES PO Box 20 BOISE ID 83726 ALBERTSONS INC 250 PARK CENTER BLVD BOX 20 BOISE ID 83726 ALBERTSONS INC 250 PARKCENTER BLVD BOISE ID 83726 ALC ATLANTA YOUTH 155 4TH ST SE HURON SD 57350 ALCAD INC 3 POWDERED METALS Dr NORTH HAVEN CT 06473 ALCAD STANDBY BATTERIES 2579 HAMLINE AVE N STE B ROSEVILLE MN 55113 ALCOA CONDUCTOR ACCESSORIES PO Box 3722 BUTTE MT 59702-3722 ALCOA FUJIKURA LTD ALCOA CONDE ACCESSORIES DIVE BUTTE MT 59702-3722 Aldo Sardot 420 Mcleod Ave Missoula MT 59801 Alec Hansen Montana League of Cities & Towns Inc PO Box 1704 Helena MT 59624 ALERT 310 SUNNYVIEW LANE KALISPELL MT 59901 ALERT MAGAZINE PO Box 4833 BOISE ID 83711 ALEX MOSSMAN MELISSA MOSSMAN & 443 OSBORN Ave Ste 108 BIGFORK MT 59911 ALEXANDER MACKAY MD 711 S COWLEY No230 SPOKANE WA 99202 ALEXANDERBAUCUS TALEFF PAUL PO Box 3169 GREAT FALLS MT 59403-3169 ALEXANDRIA MARUSKA 101 TURNER CT APT 4 MISSOULA MT 59802 Alfalfa Feeds Inc NW Prairie Ave DeSmet SD 57231 Alfalfa Feeds Inc RR 1 Box 3 DeSmet SD 57231 ALFRED MORAN & RADIO SHACK PO Box 1126 MALTA MT 59538 Alfred Watland RR 2 Box 144 Castlewood SD 57223 ALI ABA 4025 CHESTNUT St PHILADELPHIA PA 19104-3099 ALICE BERNIUS 2100 5TH AVE SO GREAT FALLS MT 59405 ALICE DOWNING 1109 6TH AVE N APT 305 GREAT FALLS MT 59401-4103 ALICE ROSETTI 837 W GALENA BUTTE MT 59701 ALICE ROSETTI 837 WEST GALENA BUTTE MT 59701 ALISA WATSON 416 5TH ST N GREAT FALLS MT 59401 ALIX PARTNERS LLC 2000 TOWN CENTER STE 2400 SOUTHFIELD MI 48075 ALL CITY GRADS NIGHT OUT PO Box 1702 BILLINGS MT 59103 ALL MAKES APPLIANCE PARTS CO 4040 HAMILTON OMAHA NE 68131 ALL NATIVE SYSTEMS 1 MISSION Dr PO Box 458 WINNEBAGO NE 68071 ALL PAPERS TO GO PO Box 5894 HELENA MT 59604-5894 ALL TERRAIN EXCAVATING INC PO Box 1307 POLSON MT 59860 ALLADIN LOCK & SECURITY 804 Broadwater AVE BILLINGS MT 59101-2712 ALLAN HALE* 519 S MAIN TRIPP SD 57376 ALLATOONA HEATING & COOLING 6718 KELLOGG DR ACWORTH GA 30102 Allegiance 2806 Garfield Missoula MT 59801 ALLEGIANCE/INTERMOUNTAIN ADMIN PO Box 3018 MISSOULA MT 59802 ALLEN AND ASSOCIATES 2504 W MAIN STE F BOZEMAN MT 59715 Allen Kannas RR 2 Box 147 Castlewood SD 57223-9551 ALLEN KRUSE 1459 W VINE AVE BROOKINGS SD 57006-9999 ALLENS INC PO Box 5990 HELENA MT 59604-5990 ALLENS SUPER STORE 2019 N MAIN HELENA MT 59604 ALLFIRST BANK 110 S PACA St BALTIMORE MD 21201 ALLIANCE COMMUNICATIONS 612 3RD ST GARRETSON SD 57030

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 4 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ALLIANCE COMMUNICATIONS 612 3RD ST PO Box 349 GARRETSON SD 57030 ALLIANCE METER CONTRACTING 8355 PONTIUS RD GROVEPORT OH 43125 ALLIANCE NEON SIGNS & AWNINGS PO Box 6745 HELENA MT 59604-6745 ALLIANT ENERGY CORPORATE SERV PO Box 878 DUBUQUE IA 52004-0878 ALLIED ELECTRONICS 4620 W OVERLAND RD STE 224 BOISE ID 83705-2876 ALLIED ELECTRONICS INC PO Box 2325 FORT WORTH TX 76113-2325 ALLIED STEEL 555 E FORK RD LEWISTOWN MT 59457 ALLIED TECHNICAL SALES INC 526 MOORE LANE BILLINGS MT 59101 ALLIED UTILITY PRODUCTS INC 569 EXCHANGE COURT LIVERMORE CA 94550 ALLTEL PO Box 81249 LINCOLN NE 68501-1249 ALLTEL PO Box 94255 PALATINE IL 60094-4255 ALLTEL COMMUNICATIONS INC PO Box 8017 LITTLE ROCK AR 72203-8017 ALME CONSTRUCTION INC 338 N CENTRAL Ave CUT BANK MT 59427-1327 ALME CONSTRUCTION INC 338 NORTH CENTRAL Ave PO Box 1327 CUT BANK MT 59427-1327 Alme Construction Inc PO Box 1327 Cut Bank MT 59427 ALMETEK INDUSTRIES INC 2 JOY Dr HACKETTSTOWN NJ 07840 ALONZOS 104 S MAIN ST ABERDEEN SD 57401 ALPENA CO OP SERVICE PO Box 129 ALPENA SD 57312 Alpha Sub Fund VI LLC c o James Donnell Andrews & Kurth LLP 600 Travis Suite 4200 Houston TX 77002 Alpine Floral Inc PO Box 783 Lewistown MT 59457-0783 ALS HEATING & AIR CONDITIONIN 1304 E 32ND ST KEARNEY NE 68847 ALS LAKE AREA FOODS INC 615 MAIN St WEBSTER SD 57274 ALS LOCK & SAFE 318 E FRONT NORTH PLATTE NE 69101 ALS TREE SERVICE 419 N Congress ST ABERDEEN SD 57401-3015 ALSTOM EAI CORPORATION 11120 NE 33RD PLACE BELLEVUE WA 98004-1448 Alstom ESCA Corporation 11120 NE 33rd Pl Bellevue WA 98004 ALSTOM TRANSMISSION & DIST 10525TH ST N FARGO ND 58102 ALSTOM USA INC PO Box 866 BOTHELL WA 98041 ALTEC INDUSTRIES INC 13817 NEEE SANDY Blvd PORTLAND OR 97230 ALTEC INDUSTRIES INC 325 INDUSTRIAL WAY DIXON CA 95620 ALTEC INDUSTRIES INC 5201 W 84TH ST INDIANAPOLIS IN 46268 ALTEC INDUSTRIES INC 5201 W 84TH ST PO Box 681308 INDIANAPOLIS IN 46268 ALTER & SONS INC 514 S HOWELL ST DAVENPORT IA 52808 ALTERNATIVE RESOURCES 3700 S Westport Ave Ste 102 SIOUX FALLS SD 57106-6342 Alternative Technologies Inc 12350 River Ridge Blvd Burnsville MN 55337 ALTIMUS DISTRIBUTING PO Box 1724 BILLINGS MT 59103 ALUMAX EXTRUSIONS INC 2300 ALUMAX RD Yankton SD 57078 AM MUSIC PRODUCTIONS INC PO Box 327 FALL CITY WA 98024 AMAN COLLECTION SERVICE IN PO Box 730 ABERDEEN SD 57402-0730 AMAN COLLECTION SERVICE INC 14 S Main St ABERDEEN SD 57401-4136 Amaranth LLC c o Amaranth Advisors LLC One American Lane Greenwich CT 06831 AMARIL UNIFORM 2003 8020 UNIVERSITY AVE NE FRIDLEY MN 55432 AMARIL UNIFORM CO PO Box 32143 FRIDLEY MN 55432 AMEREX USA LT LTD PO Box 41027 HOUSTON TX 77241-1027 American Airlines Corporate Headquarters Bob S Schadt 4255 Amon Carter Blvd MD 4403 Fort Worth TX 76155 American Airlines Inc Attn Corporate Travel Programs 4255 Amon Carter Blvd MD 4403 Fort Worth TX 76155 AMERICAN APPRAISAL ASSOCIATES 411 E WISCONSIN AVE STE 1900 MILWAUKEE WI 53201-0664 AMERICAN ARBITRATION ASSOC 645 S 200 E Ste 203 SALT LAKE CITY UT 84111 AMERICAN ARBITRATION ASSOC PO Box 21658 ST. PAUL MN 55121-0658 AMERICAN ARBITRATION ASSOC INC 140 W 51ST ST NEW YORK NY 10020 AMERICAN BANK NOTE COMPANY PO Box 1931 COLUMBIA TN 38402 AMERICAN BAR ASSOCIATION 750 N LAKE SHORE DR CHICAGO IL 60611-4497 AMERICAN BAR ASSOCIATION PO Box 4745 CAROL STREAM IL 60197-4745 AMERICAN BAR ASSOCIATION PO Box 4745 CAROL STREAM IL 60197-4746 AMERICAN BUSINESS FORMS INC 608 EDGEWATER DR ALEXANDRIA MN 56308 AMERICAN BUSINESS SERVICES 260 NORTHLAND BLVD STE 135 CINCINNATI OH 45246 AMERICAN CANCER SOCIETY 1877 HARRISON Ave BUTTE MT 59701 AMERICAN CANCER SOCIETY 340 15TH St HURON SD 57350 AMERICAN CANCER SOCIETY 3550 MULLIN Rd Ste 108 MISSOULA MT 59808 AMERICAN CANCER SOCIETY DAFFODILS 2511 OTTAWA AVE BUTTE MT 59701 AMERICAN CASTINGS & MFG CORP 51 COMMERCIAL ST PLAINVIEW NY 11803 American Century 4500 Main St PO Box 418210 Kansas City MO 641419210 Kansas City MO 64111-7709 AMERICAN CHEMET Box D EAST HELENA MT 59635 AMERICAN CHEMET CORPORATION PO Box 1160 EAST HELENA MT 59635 American Chemet Corporation PO Box 1160 Helena MT 59635 AMERICAN CREEK MARINA 206 S ALCOTT CHAMBERLAIN SD 57325 AMERICAN DIABETES ASSOCIATION 3203 THIRD AVE N BILLINGS MT 59101 AMERICAN DIABETES ASSOCIATION 7101 NEWPORT AVE Ste 207 OMAHA NE 68152-2153 AMERICAN DREAM HOMES 550 SO 24TH ST WEST BILLINGS MT 59102 AMERICAN DRILLING & SUPPLY INC 1520 E LANE BILLINGS MT 59101 American Drilling and Supply Inc 1520 E Ln Billings MT 59101 AMERICAN ELECTRIC COMPANY 110 E 6TH ST KEARNEY NE 68848 AMERICAN ELECTRIC POWER 101 W OHIO St STE 1320 INDIANAPOLIS IN 46204 AMERICAN ELECTRIC POWER 155 W NATIONWIDE BLVD COLUMBUS OH 43215 American Electric Power Service Corporation agent for Ohio Power Company John C Crespo Senior Counsel American Electric Power 155 W Nationwide Blvd Suite 500 Columbus OH 43215 AMERICAN ENGINEERING TESTING INC 500 CLEVELAND AVE N ST PAUL MN 55114 AMERICAN ENGINEERING TESTING INC 550 CLEVELAND AVE NORTH ST PAUL MN 55114 American Express c o ADP AMERICAN EXPRESS PO Box 360001 FORT LAUDERDALE FL AMERICAN EXPRESS PO Box 360001 FORT LAUDERDALE FL 00000 AMERICAN EXPRESS PO Box 630012 DALLAS TX 75363-0012

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 5 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country American Express Travel Related Svcs Co Inc Corp Card c o Becket & Lee LLP PO Box 3001 Malvern PA 19355-0701 AMERICAN FAMILY INSURANCE 10843 OLD MILL Rd Ste 200 OMAHA NE 68154-2665 AMERICAN FAMILY INSURANCE GROUP 4009 W 49TH ST SIOUX FALLS SD 57117 AMERICAN FAMILY INSURANCE OFFICE 708 N SANBORN MITCHELL SD 57301 AMERICAN FAMILY LIFE 1932 WYNNTON RD COLUMBUS GA 31999-0001 AMERICAN FAMILY LIFE ASSURANCE CO 1032 WYNNTON Rd COLUMBUS GA 31999-0001 American Fidelity Assurance Company 2000 N Classen Blvd Oklahoma City OK 73106 AMERICAN FOODS GROUP 544 ACME St GREEN BAY WI 54308 AMERICAN FOODS GROUP DAKOTA PORK INDUSTRIES POBOX 1086 MITCHELL SD 57301 AMERICAN GAS ASSOCIATION 1515 WILSON BLVD ARLINGTON VA 22209 AMERICAN GAS ASSOCIATION 610 WINTERS Ave PARAMUS NJ 07652 AMERICAN GAS ASSOCIATION PO Box 79226 BALTIMORE MD 21279-0226 AMERICAN HEART ASSOCIATION MONTANA AFFILIATE INC GREAT FALLS MT 59401 AMERICAN HOME ASSURANCE COMPANY 70 PINE St NEW YORK NY 10270 AMERICAN INNOVATIONS 12112 TECHNOLOGY BLVD Ste 100 AUSTIN TX 78727 AMERICAN INSTITUTE OF ARCHITECTS PO Box 20996 BILLINGS MT 59104-0996 AMERICAN INTERNATIONAL COMPANIES PO Box 7247 PHILADELPHIA PA 19170-6884 AMERICAN LAW INSTITUTE 4025 CHESTNUT St PHILADELPHIA PA 19104 AMERICAN LEGION 724 FIRST St WHITEFISH MT 59937 AMERICAN LEGION ANACONDA AS 221 POPLAR ANACONDA MT 59711 AMERICAN LEGION AUXILIARY #24 C/O JACKI OMLAND ABERDEEN SD 57402-1177 AMERICAN LEGION AUXILIARY #4 2645 CUSTER AVE BILLINGS MT 59102-4620 AMERICAN LEGION BASEBALL 107 RAMPART Dr BUTTE MT 59701 AMERICAN LEGION BASEBALL 1934 VIRGINIA DALE HELENA MT 59601 AMERICAN LEGION LIBERTY COUNTY POST NO 88 CHESTER MT 59522-0275 AMERICAN LEGION OF MONTANA PO Box 6075 HELENA MT 59604 AMERICAN LEGION OF NORTH PLATTE NE PO BOX 662 NORTH PLATTE NE AMERICAN LEGION POST # 3 PO Box 589 GREAT FALLS MT 59403 AMERICAN LEGION POST # 4 1540 Broadwater AVE BILLINGS MT 59102-5002 AMERICAN LEGION POST 132 1703 SELBY AVE ST PAUL MN 55104 AMERICAN LEGION POTTER POST 3 PO Box 187 CHAMBERLAIN SD 57325 AMERICAN LEGION RODEO PROGRAM PO Box 589 GREAT FALLS MT 59403 AMERICAN LEGION SILVER BOW POST #1 PO Box 4405 BUTTE MT 59702-4405 AMERICAN LEGISLATIVE EXCHANGE COUNCIL ATTN:GARY BARRETT DIRE WASHINGTON DC 20036-3479 AMERICAN LINEN PO Box 30496 BILLINGS MT 59107-0496 AMERICAN MANAGEMENT ASSOC PO Box 4725 BUFFALO NY 14240-4725 AMERICAN MANAGEMENT ASSOCIATION 600 Ama Way Saranac Lake NY 12983-5534 AMERICAN METER COMPANY 1350 BAYSHORE HIGHWAY No200 BURLINGAME CA 94010 AMERICAN METER COMPANY 1350 BAYSHORE Hwy 200 BURLINGAME CA 94010 AMERICAN METER COMPANY 1750 25TH AVE STE 305 GREELEY CO 80631 AMERICAN METER COMPANY 5100 EDEN AVE STE 311 MINNEAPOLIS MN 55436 American Meter Company Jerry M Johnson 132 Welsh Rd Ste 140 Horsham PA 19044 AMERICAN METER COMPANY PO Box 931250 CLEVELAND OH 44193-1368 AMERICAN METER COMPANY American Meter Company Jerry M Johnson 132 Welsh Rd Ste 140 Horsham PA 19044 AMERICAN NEWS 124 S 2ND ST ABERDEEN SD 57402-4430 AMERICAN NEWS 124 S 2ND ST PO Box 4430 ABERDEEN SD 57402-4430 AMERICAN PAYMENT CENTERS PO Box 985 ST CLOUD MN 56302-0985 AMERICAN PIPE & SUPPLY No27 N CENTRAL Ave CUT BANK MT 59427-2912 AMERICAN POLYWATER CORP 11222 60TH ST N STILLWATER MN 55082 AMERICAN POWER COMMUNICATIONS W62 N551 WASHINGTON AVE CEDARBURG WI 53012 AMERICAN PUBLIC LAND EXCHANGE CO 125 BANK ST 610 MISSOULA MT 59802 AMERICAN PUBLIC LAND EXCHANGE CO 125 BANK ST No610 MISSOULA MT 59802 American Public Land Exchange Inc 125 Bank St Ste 610 Missoula MT 59802 AMERICAN RED CROSS 10 S MAIN ST Ste B BUTTE MT 59701 AMERICAN RED CROSS 1302 S WILLOW St NORTH PLATTE SD 69101 AMERICAN RED CROSS 225 N LAWLER ST MITCHELL SD 57301 AMERICAN RED CROSS 404 E THIRD GRAND ISLAND NE 68801 AMERICAN RED CROSS PO Box 848 ABERDEEN SD 57402-0848 AMERICAN RED CROSS BILLINGS CHAPTER 702 CENTRAL Ave BILLINGS MT 59102 AMERICAN RED CROSS KEARNEY 104 W 46TH KEARNEY NE 68847 AMERICAN SAFETY UTILITY CORPORATION PO Box 1740 SHELBY NC 00000 AMERICAN SHEET METAL 1526 HAUSER BLVDE HELENA MT 59601 AMERICAN SOCIETY OF AGRONOMY 677 S SEGOE RD MADISON WI 53711 AMERICAN SOCIETY OF CORPORATE PO Box 6122 NEW YORK NY 10249-6122 AMERICAN SOCTY OF CORP SECTYS PEOE BOX 6122 CHURCH STE STAE NEW YORK NY 10249 AMERICAN STATE BANK PO Box 427 WOLSEY SD 57384-0427 AMERICAN TRAINING RESOURCE INC PO Box 487 TUSTIN CA 92781-0487 AMERICAN TRAINING RESOURCES PO Box 487 TUSTIN CA 92781-0487 AMERICAN UNITED LIFE INS PO Box 368 INDIANAPOLIS IN 46206 AMERICAN VAN EQUIPMENT INC 1985 RUTGERS UNIVERSITY BLVD LAKEWOOD NJ 08701 AMERICAN YOUTH SOCCER ORGANIZATION PO Box 1141 COLUMBUS MT 59019 AMERICAS SAP USERS GROUP PO Box 809311 CHICAGO IL 50580-9311 AMERIGAS PROPANE L P 1201 3RD ST NW GREAT FALLS MT 59404-4116 AMERIGAS PROPANE L P 1911 MEADOWLARK LANE Ste B BUTTE MT 59701-6711 AMERIGAS PROPANE L P 2323 MINNESOTA AVE BILLINGS MT 59101 AMERIGAS PROPANE L P 2610 CHARLO ST MISSOULA MT 59807-7706 AMERIGAS PROPANE LP 460 N GULPH ROAD VALLEY FORGE PA 19482 AMERIGAS PROPANE LP INC 503 N FRONT ST TOWNSEND MT 59644-2003 AMERION LLC PO Box 2468 PASCO WA 99302 AMERIPRIDE 206 N P AVE FARGO ND 58108-3072 AMERIPRIDE 206 NORTHERN PACIFIC AVE FARGO ND 58102

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 6 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Ameritrade Clearing c o ADP AMERPRIDE LINEN AND APPAREL 715 Commerce St Aberdeen SD 57401-3313 AMERUS LIFE 611 5TH AVE DES MOINES IA 50306 AMETEK POWER INSTRUMENTS 255 N UNION St ROCHESTER NY 14605 AMETEK POWER SYSTEMS 3770 COLLECTION CENTER DR CHICAGO IL 60693 AMIGOS 3201 PIONEERS BLVD 112 LINCOLN NE 68502 Amoco Pipeline Company Mr Line Mitchel Power Optimization Engineer 2087 E 71st St Ste 228 Tulsa OK 74136 5417 Amroc Investments LLC Attn David S Leinwand Esq 535 Madison Ave 15th F New York NY 10022 AMY GILMAN 910 OAK ST OAKLAND ME 04963-5014 AMY J SCHWADERER 8111 N 19TH AVE No2066 PHOENIX AZ 85021 AMY SQUIRES PO Box 35008 GRANTSDALE MT 59835 ANACOMP INC 15378 Avenue of Science San Diego CA 92128 ANACONDA BOWLING ASSOCIATION PO Box 152 ANACONDA MT 59711 ANACONDA CHAMBER OF COMMERCE 306 EE PARK ST ANACONDA MT 59711-2343 Anaconda Civilian Conservation Cente Jim Johnston Deer Lodge National Forest 1407 Foster Creek Rd Anaconda MT 59711 ANACONDA COMMUNITY NURSING HOME 615 MAIN ANACONDA MT 59711 ANACONDA DEER LODGE COUNTY 800 S MAIN ANACONDA MT 59711 ANACONDA DEER LODGE COUNTY 800 SOUTH MAIN ANACONDA MT 59711 ANACONDA DISPOSAL SERVICE INC PO Box 1320 ANACONDA MT 59711-1320 ANACONDA HIGH SCHOOL 515 MAIN St ANACONDA MT 59711 ANACONDA LITTLE LEAGUE 300 MARCUS DALY DR ANACONDA MT 59711

ANACONDA PCA FAMILY RESOURCE CENTER 229 E COMMERCIAL ANACONDA MT 59711 ANACONDA TIN SHOP 109 ELM St ANACONDA MT 59711 ANACONDA WATER DEPARTMENT PO Box 1459 ANACONDA MT 59711-1459 ANDERSEN & SONS 611 E 4TH NORTH PLATTE NE 69101 ANDERSON & BAKER LAW OFFICES POWER BLOCK BLDG Ste 4E HELENA MT 59624 ANDERSON AUTO PARTS 3709 WESTGATE RD GRAND ISLAND NE 68802 ANDERSON FORKLIFT INC PO BOX 80525 BILLINGS MT 59108-0525 ANDERSON PARAMEDICAL SERVICES INC 1302 AVE D BILLINGS MT 59105 ANDERSON PUBLICATIONS 141 W MAIN ST CANISTOTA SD 57012 ANDERSON PUBLISHING COMPANY 9443 Springboro Pike Miamisburg OH 45342-4425 ANDERSON REALTY LLC 122 W 3RD YANKTON SD 57078 ANDERSON STEEL SUPPLY INC 3811 RIVER Dr N GREAT FALLS MT 59406-6630 ANDERSON TREE SERVICE 100 CENTRAL AVE APT 43 GREAT FALLS MT 59401-3132 ANDOR INC 9 N MAPLE WATERTOWN SD 57201 ANDREA CEARTIN 18 SIBLEY LANE BELGRADE MT 59714 ANDREW BOLDIZAR DAVID BOLDIZAR 15 S JACKSON St JACKSON WY 83001 ANDREW CORPORATION 10500 W 153RD ST ORLAND PARK IL 60462 ANDREW WRIGHT 610 N JACKSON ST ABERDEEN SD 57401 ANDREWS & KURTH PO Box 201785 HOUSTON TX 77216-1785 ANDREWS INC 3902 W Valley Hwy N Ste 506 Auburn WA 98001-2428 ANDY NIELSEN 44670 308TH ST MISSION HILL SD 57046 ANETSBERGER BROTHERS INC 180 N ANETS DR NORTHBROOK IL 60062 ANGEL FLIGHT WEST 3237 DONALD DOUGLAS LOOP S SANTA MONICA CA 90405 ANIXTER BROS INC FILE No98908 LOS ANGELES CA 90074-8908 ANIXTER INC 21419 64TH Ave S KENT WA 98032 ANN KEMSKE 22372 Tipton St NW Elk River MN 55330-2236 ANN L & MARK MILODRAGOVICH 514 MEAGHER Ave BOZEMAN MT 59718 ANNE HAYDEN CONSULTANT 2705 E WOODLAND HILLS RD SIOUX FALLS SD 57103 ANNETT CONSTRUCTION INC 1011 S VIOLA ST MILBANK SD 57252 ANNETTES FLORAL BOUTIQUE 122 N Main St ABERDEEN SD 57401-3429 ANTOINETTE CUTONE BOLLES 1756 ROCKING HORSE Dr SIMI VALLEY OKANE CA 93065 ANTONIOLI & WADE TRUST ACCOUNT PO Box 6018 MISSOULA MT 59802 AON CONSULTING INC MELVILLE NY 320 S Service Rd Melville NY 11747 AON CONSULTING INC MELVILLE NY 320 S. Service Rd Melville NY 11747 AON RISK SERVICES 1420 FIFTH Ave Ste 1200 SEATTLE WA 98101-4030 APC MANAGEMENT PO Box 37 HURON SD 57350-0037 APEX ENVIRONMENTAL 365 W RIVER ROCK Rd BELGRADE MT 59714 APEX INSTRUMENTS INCORPORATED 6712 E JAMISON PL ENGLEWOOD CO 80112 APEX OF ST PETERS 2440 WINNE Ste 200 HELENA MT 59601 APH WHOLESALE SUPPLY 1701 LOCUST ST YANKTON SD 57078 APLIC 701 PENNSYLVANIA AVE NW WASHINGTON DC 20004-2696 APPEARA 126 N THIRD ST NORFOLK NE 68701 APPEARA PO Box 246 NORFOLK NE 68702 APPEL HANDER PLMBING & HEATING 815 2ND ST S BROOKINGS SD 57006 APPLE VALLEY BACKHOE SERVICE PO Box 306 BLACK EAGLE MT 59414 APPLIANCE SERVICE CENTER 40994 MCKINLEY PLACE MITCHELL SD 57301-5836 APPLIED CONTROL EQUIPMENT PO Box 4826 ENGLEWOOD CO 80155 APPLIED CONTROLS EQUIP CO INC 3727 WESTGATE RD GRAND ISLAND NE 68803 APRYL SWEENEY 1973 MAIN BOULDER RD MCLEOD MT 59052 AQUATECH INC 210 ARDEN DR BELGRADE MT 59714

AQUILA ENERGY MARKETING CORPORATION 10750 E 350 HIGHWAY PO BOX 11739 KANSAS CITY MO 64138 AQUILA POWER CORPORATION 2533 N 117TH Ave OMAHA NE 68164 ARAMARK UNIFORM SERVICES INC PO Box 236 SIOUX CITY IA 51102-0236 ARBITER SYSTEMS INC 1324 VENDELS CIR No121 PASO ROBLES CA 93446-3801 ARC ELECTRIC INC 3523 OREGON AVE BUTTE MT 59702-4094 Arc Electric Inc PO Box 4094 Butte MT 59701 ARCHITECTURAL ENERGY CORP 2540 FRONTIER AVE STE 201 BOULDER CO 80303 ARCHITECTURAL SIGNING INC 3040 ADRIATIC COURT NORCROSS GA 30071 ARCOM TECHNOLOGIES INC PO Box 10005 BOZEMAN MT 59719-0005

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 7 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ARCRAFT 10342 59TH Ave EDMONTON AB T6H 1E6 Canada ARCTCO INC 701 SE 12TH MADISON SD 567042 ARCTIC CAT 701 SE 12TH MADISON SD ARCTIC GLACIER INC 1654 MARTHALER LANE ST. PAUL MN 55118 ARCTIC GLACIER INC 1654 MARTHALER Ln ST PAUL MN 55118 AREA COMMUNITY THEATER PO Box 1181 MITCHELL SD 57301-1181 Argo Partners 12 West 37th St 9th Fl New York NY 10018 ARGUS LEADER PO Box 5034 SIOUX FALLS SD 57117-5034 ARGUS PUBLISHING INC PO Box 37 STICKNEY SD 57375-0037 ARGUS SERVICES INC 18507 E APPLEWAY AVE GREENACRES WA 99016 ARI FLEET LT 9000 MIDLANTIC Dr PO Box 5039 MT. LAUREL NJ 08054 ARIN 3635 CONCORDE PARKWAY Ste 200 CHANTILLY VA 20151 ARIZONA CORPORATION COMM 1300 W WASHINGTON PHOENIX AZ 85007-2929 ARIZONA DEPARTMENT OF REVENUE Bankruptcy Litigation Section 1600 West Monroe PHOENIX AZ 85007 ARIZONA DEPARTMENT OF REVENUE PO Box 29009 PHOENIX AZ 85038-9009 ARIZONA DEPT OF REVENUE PO Box 29026 PHOENIX AZ 85038-9026 ARIZONA PUBLIC SERVICE PO Box 53920 PHOENIX AZ 85072-3920 ARIZONA SECRETARY OF STATE 1300 WASHINGTON PHOENIX AZ 85007-2929 ARIZONA STATE UNIVERSITY PO Box 870303 TEMPE AZ 85287-0412 Ark Asset Management Joseph Scanlon Jr 125 Broad St New York NY 10004 ARK ASSET MANAGEMENT CO INC 125 BRd ST NEW YORK NY 10004 ARKANSAS DEPT OF FIN & ADMN PO Box 919 LITTLE ROCK AR 72203-0919 ARKANSAS SECRETARY OF STATE STATE CAPITOL BLDG LITTLE ROCK AK 72201-1094 ARLEE SENIOR CITIZEN CENTER 981 N COUTURE LOOP ARLEE MT 59821 ARLIAN EXCAVATING PO Box 993 BIG TIMBER MT 59011 ARLINGTON COMMUNITY FOUNDATION PO Box 318 ARLINGTON SD 57212 Arlington Farmers Elevator Co 105 N Main Arlington SD 57212 Arlington Schools PO BOX 359 Arlington SD -0359 ARLINGTON SUN PO Box 370 ARLINGTON SD 57212 ARLYS BADER 902 27TH ST NE HURON SD 57350 ARMA BIG SKY CHAPTER PO Box 202805 HELENA MT 59604-2805 ARMACOST TRANE SERVICE COMPANY PO Box 2642 GREAT FALLS MT 59403-2642 ARMOR ACCESS BOXES PO Box 2168 NORCROSS GA 30091-2165 ARMOR POWDER COATING 6050 INDUSTRIAL RD MISSOULA MT 59808 Armour Cable TV PO Box 670 Tyler TX 75710 Armour Cable TV Jack Schaefer PO Box 57 Mitchell SD 57301 ARMOUR COMMERCIAL CLUB LARRY WILSON ARMOUR SD 57313 ARMOUR COMMUNITY CLUB PO Box 283 ARMOUR SD 57313 ARMOUR DRAY PO Box 117 ARMOUR SD 57313 ARMOUR ELECT MOTOR REPAIR INC 610 MAIN ST ARMOUR SD 57313 ARMOUR ELECTRIC MOTOR REPAIR INC 610 MAIN ST ARMOUR SD 57313 ARMOUR INDEPENDENT TELEPHONE C 116 N MAIN HARTFORD SD 57033 ARMOUR INDEPENDENT TELEPHONE C 116 N MAIN PO Box 460 HARTFORD SD 57033 ARMOUR WATER DEPARTMENT PO Box 415 ARMOUR SD 57313-0415 ARMOUR/DELMONT LUMBER CO PO Box 430 ARMOUR SD 57313-0430 ARMSTRONG PHOTOGRAPHY 5218 Afton Way SE Smyrna GA 30080-2672 ARNCO CORPORATION 2719 LEMEL CIRCLE SALT LAKE CITY UT 84115 ARNCO CORPORATION PO Box 94781 Claeveland OH 44101 ARNIES OUTBACK PO Box 61 HURON SD 57350-0061 ARNIES SERVICE 1218 E 1ST AVE MITCHELL SD 57301 Arnold B Allison 580 19 Bedford Rd Pleasantville NY 10570 ARNOLD SCHWARTZ & ASSOC INC 1849 PEELER RD STE C ATLANTA GA 30338 ARROW/WYLE COMPUTER PRODUCTS 220 W LAMME St Ste 1B BOZEMAN MT 59715 ARROWHEAD ELECTRONICS INC 2026 2ND AVE N GREAT FALLS MT 59401 ART & RAYS LOCK & SAFE INC 218 W MAIN St MISSOULA MT 59802-4312 ARTCRAFT PRINTERS 1207 E FRONT ST BUTTE MT 59703-0553 ARTCRAFT PRINTERS 1207 E FRONT ST PO Box 553 BUTTE MT 59703-0553 Arthur Adam Heimlich 600 WEST 246TH ST APT 505 BRONX NY 10471 Arthur Adam Heimlich 600 West 246th St Apt 505 Bronx NY 10471-3616 Arthur Adam Heimlich The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Arthur Andersen LLP 21647 Network Place Chicago IL 60673-1647 ARTHUR ANDERSEN LLP PO Box 730201 DALLAS TX 75373-0201 ARTHUR ANDERSON LLP 1225 17TH St Ste 3100 DENVER CO 80202-5531 ARTHUR ANDERSON LLP 45 S SEVENTH St MINNEAPOLIS MN 55402-2800 ARTHUR K NEILL 2645 Goodman Rd Billings MT 59101-6214 Arthur K NEILL 2645 Goodman Rd Billings MT 59101 Arthur K Neill c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Arthur K Neill Arthur K NEILL 2645 Goodman Rd Billings MT 59101 ARTHUR R DONNELL 369 14TH ST SW HURON SD 57350 ARTHUR W MCALLISTER & JOAN 8019 E MERCER LANE SCOTTSDALE AZ 85260 ARTHURS GLASS PO Box 901 LEWISTOWN MT 59457 ARTICAT INC PO BOX 810 THIEF RIVER FALLS MN 56701-0810 ARTISAN GROUP PO Box 472 HELENA MT 59624 ARTMILL 2700 RADIO WAY MISSOULA MT 59808 ARTS GARBAGE SERVICE INC PO Box 218 YANKTON SD 57078 ARTS MUFFLER & AUTO REPAIR INC 1003 E HIGHWAY 50 YANKTON SD 57078 ARTS NIGHT 2001 PO Box 984 SIOUX FALLS SD 57101 ARTZ SOFT WATER SERVICE INC 307 THIRD ST BROOKINGS SD 57006 Arvest Bank Attn Mill E 701 S Main St Joplin MO 64801 Arvest Bank The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ASAP SERVICE & REPAIR INC 15200 S LOCUST ST OLATHE KS 66062 ASARCO East Helena Helena MT 59635

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 8 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ASARCO PO Box 1230 EAST HELENA MT 59635 Ascom Hasler GE Cap Prog Attn Jane Bell PO Box 3083 Cedar Rapids IA 52406-3083 Ascom Hasler Leasing 100 Corporate N Bannockburn IL 60015-1279 ASCOM HASLER MAILING SYSTEMS PO Box 895 SHELTON CT 06484-0895

Ascom Haster Leasing a program at Mellon Leasing 100 Corporate N Bannockburn IL 60015 ASH GROVE CEMENT 100 MONTANA HIGHWAY 518 CLANCY MT 59634 ASH GROVE CEMENT WESTERN REGION 100 MONTANA HIGHWAY 518 CLANCY MT 59634-9701 Ashgrove Cement Inc 100 Montana Highway 518 Clancy MT 59634 ASPECT COMMUNICATIONS CORPORATION 1310 RIDDER PARK Dr SAN JOSE CA 95131-2312 ASPEN CONSULTING & ENGINEERING INC 2680 TUOHY Rd HELENA MT 59601 Aspen Consulting & Engineering Inc PO Box 4822 Helena MT 59604-4822 ASPEN EQUIPMENT CO PO Box 86 MINNEAPOLIS MN 55486-1073 ASPEN PUBLISHERS INC ASPEN LAW & BUSINESS FREDERICK MD 21701-0911 ASPEN PUBLISHERS INC PO Box 64054 BALTIMORE MD 21264-4054 ASPEN PUBLISHERS INC PO Box 64141 BALTIMORE MD 21264-4141 ASPEN VILLAGE PO Box 217 GREAT FALLS MT 59403 ASPHALT PAVING & MATERIALS CO 1836 HIGHWAY 14 E HURON SD 57350-7962 Asphalt Paving & Materials Company RR 3 Box 94 Huron SD 57350 ASPLUNDH 8236 ARTHUR ST NE SPRING LAKE PARK MN 55432-2132 ASPLUNDH TREE EXPERT CO 7524 NE 175TH St KENMORE WA 98028 Asplundh Tree Expert Company PO Box 3110 Wilsonville OR 97070 ASSEMBLY OF GOD 2210 DODGE AVE HELENA MT 59601 ASSET MANAGEMENT INCORPORATED 10807 NE 11TH PLACE KIRKLAND WA 98033 Associated Construction Engineering Attn Tim Coleman 12 N Broadway 2nd Fl Belgrade MT 59714 ASSOCIATED CONSTRUCTION ENGRG 12 N Broadway 2ND Fl BELGRADE MT 59714 ASSOCIATED EMPLOYERS OF MT PO Box 1301 BILLINGS MT 59103 ASSOCIATED FOOD STORES PO Box 4069 HELENA MT 59601 ASSOCIATED GENERAL CONTRACTORS PO Box 488 PIERRE SD 57501 ASSOCIATED MILD PRODUCERS CIN 315 N BROADWAT NEW ULM MN 56073 ASSOCIATED UNDERWATER SERVICE INC 3901 E FERRY SPOKANE WA 99202 ASSOCIATION OF TRIAL LAWYERS 1050 THIRTYFIRST St NW WASHINGTON DC 20007 ASTD PO Box 383 SIOUX FALLS SD 57101-0383 ASTM TECHNICAL & PROFESSIONAL 100 BARR HARBOR DR WEST CONSHOHOCKEN PA 19428-2959 ASTRO CHEMICAL COMPANY INC 3 MILL Rd BALLSTON LAKE NY 12019 ASTRO CHEMICAL COMPANY INC 3 MILL Rd PO Box 1250 BALLSTON LAKE NY 12019 AT & T PO Box 275843 KANSAS CITY MO 64184-5843 AT & T PO Box 277019 ATLANTA GA 30384-7019 AT & T PO Box 2971 OMAHA NE 68103-2971 AT & T PO Box 78425 PHOENIX AZ 85062-8425 AT & T Corporation PO Box 598033 Orlando FL 32589-8033 AT & T Corporation AT & T TELECONFERENCE SERVICES PO Box 55000 DETROIT MI 48255-0830 AT & T WIRELESS PO Box 78224 PHOENIX AZ 85062-8224 AT & T WIRELESS SERVICES PO Box 78224 PHOENIX AZ 85062-8224 AT Klemens & Son 814 12th St N Great Falls MT 59401-1217 AT KLEMENS & SONS 814 12TH St N GREAT FALLS MT 59401-1217 AT&T 225 W STATION SQ DR Ste 4A PITTSBURGH NY 15219-1122 AT&T 55 Corporate Dr Bridgewater Bridgewater NJ 08807 AT&T 55 CORPORATE Dr BRIDGEWATER NJ 08807 AT&T 55 Corporate Dr Room 24A80 Bridgewater NJ 08807-1265 AT&T CONSUMER LEASE SERVICES DENVER CO 80275-0002 AT&T PO Box 2100 MECHANICSBURG PA 17055-0706 AT&T PO Box 27820 KANSAS CITY MO 64184-0820 AT&T PO Box 2969 OMAHA NE 68103-2969 AT&T PO Box 2971 OMAHA NE 68103-2971 AT&T PO Box 78152 PHOENIX AZ 85062-8152 AT&T PO Box 78214 PHOENIX AZ 85062-8214 AT&T PO Box 78973 PHOENIX AZ 85062-8973 AT&T PO Box 8212 AURORA IL 60572-8212 AT&T PO Box 830018 BALTIMORE MD 21283-0018 AT&T PO Box 9001307 LOUISVILLE KY 40290-1307 Elzufon Austin Reardon Tarlov & AT&T Mondell PA Charles J Brown 300 Delaware Ave Ste 1700 PO Box 1630 Wilmington DE 19899-1630 AT&T Lowenstein Sandler PC George E Patterson Jr 65 Livingston Ave Roseland NJ 07068 AT&T BROADBAND PO Box 3990 BUTTE MT 59702-3990 AT&T BROADBAND PO Box 5509 HELENA MT 59604-5509 AT&T CABLE SERVICES PO Box 173885 DENVER CO 80217-3885 AT&T Corp 55 Corporate Dr Bridgewater NJ 08807 AT&T MEDIA SERVICES OF MONTANA 2001 11TH AVE HELENA MT 59601 AT&T ONENET SERVICE PO Box 830017 BALTIMORE MD 21283-0017 AT&T SALES CONTACT 11420 BLONDO OMAHA NE 68164 ATC FOUNDATION PO Box 211 ABERDEEN SD 57402-0211 ATHENA ENERGY LLC 2100 HARRISON AVE Ste C BUTTE MT 59701 ATI TITLE COMPANY 407 S SECOND AVE SIOUX FALLS SD 57104 ATKINSON BAKER INC 330 N BRAND Blvd Ste 250 GLENDALE CA 91203-2330 ATLANTIC MECHANIC 125 SE DAKOTA AVE SIOUX FALLS SD 57104 ATLANTIC MUNICIPAL UTILITIES 15 W THIRD St ATLANTIC IA 50022-0517 Atlantic Richfield Company c o Richard O Curley Esq Holland & Hart LLP PO Box 8749 Denver CO 80201 ATLANTIC ULTRAVIOLET CORPORATION 375 MARCUS BLVD HAUPPAUGE NY 11788 ATLAS ELECTRIC INC PO Box 160343 BIG SKY MT 59716 ATLAS SPECIALIZED TRANSPORT INC 8425 213TH ST W LAKEVILLE MN 55044

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 9 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ATLAS VAN LINES INC PO Box 952340 ST LOUIS MO 63195-2340 ATMOSPHERE PRODUCTS INC 4614 S 140TH ST OMAHA NE 68137 ATTORNEYS VIDEO SERVICE OF MONTANA 744 Ave C BILLINGS MT 59102 AUDIO VISUAL HEADQUARTERS 2202 SE 7TH St PHOENIX AZ 85034 AUDIO VISUAL OF MADISON 4401 FEMRITE DR MADISON WI 53716 AUDIO VISUAL OF MADISON 4401 Femrite Dr 110 MADISON WI 53716-4121 AUDRA LYONS 2123 W N FRONT ST GRAND ISLAND NE 68803-4172 AUGUST PETERSON 713 S 7th St MILBANK SD 57252-3101 AUGUSTA HIGH SCHOOL PO Box 307 AUGUSTA MT 59410 AUGUSTA YOUTH CENTER PO Box 177 AUGUSTA MT 59410-0177 AUGUSTANA BOOSTER CLUB 2001 S SUMMIT AVE SIOUX FALLS SD 57197 AUNT JOS MAYTAG 220 E 25TH ST KEARNEY NE 68847 Aurora Coop Elevator PO Box 209 Aurora NB 68818 AURORA COUNTY AUDITOR PO Box 397 PLANKINTON SD 57368 AURORA COUNTY CLERK OF COURTS PO Box 366 PLANKINTON SD 57368-0366 AURORA COUNTY REGISTER OF DEEDS PO Box 397 PLANKINTON SD 57368 Aurora County Sheriffs Office PO Box 333 Plankinton SD 57368-0333 AURORA COUNTY TREASURER PO Box 397 PLANKINTON SD 573680397 AURORA COUNTY TREASURER PO Box 397 PLANKINTON SD 57368-0397 AURORA NATIONAL LIFE INS CO 100 PARK PLACE STE 220 SAN RAMON CA 94583 AUSTIN INTERNATIONAL 7 ROTH CANNON ST YORK SC 29745 AUSTREIM LANDSCAPING INC 1222 WESTERN AVE BROOKINGS SD 57006-0401 AUTO AUCTION OF BILLINGS PO Box 1433 BILLINGS MT 59103 Auto Clinic Clifford Nygaard 422 Main St Webster SD 57274 AUTO OWNERS INSURANCE PO Box 6742 GRAND ISLAND NE 68802 AUTO TUNE & MUFFLER 1122 E MAIN St CUT BANK MT 59427 Automated Maintenance Systems Inc PO Box 7768 Rapid City SD 57709 AUTOMATIONDIRECTCOM INC PO Box 402417 ATLANTA GA 30384-2417 AUTOMOTIVE RENTALS INC 9000 MIDLANTIC Dr MT LAUREL NJ 08054 Automotive Rentals Inc 9000 Midlantic Dr PO Box 5039 Mt. Laurel NJ 8054 AUTOMOTIVE RENTALS INC PO Box 85006675 PHILADELPHIA PA 19178-6675

AUTOMOTIVE RENTALS INC AND ARI FLEET LT 9000 MIDLANTIC Dr PO Box 5039 MT. LAUREL NJ 08054 AVA ASSOCIATES INC PO Box 45 SIOUX FALLS SD 57101 AVAILABILITY 4309 S RACKET DR SIOUX FALLS SD 57106-2257 AVALANCHE CORPORATION PO Box 2697 BROWNING MT 59417 AVALANCHE SNOW REMOVAL PO Box 4571 BOZEMAN MT 59772 Avaya Inc 211 Mt Airy Road Basking Ridge NJ 7920 AVAYA INC PO Box 52602 PHOENIX AZ 52602 AVCARD PO Box 79682 BALTIMORE MD 21279-0682 AVENUE OF FLOWERS 155 DAKOTA AVE S HURON SD 57350 AVERA MCKENNAN HOSPITAL PO Box 5045 HURON SD 57117-5045 AVERA RURAL HEALTH INSTITUTE 3900 W AVERA Dr Ste 100 SIOUX FALLS SD 57108-5721 AVERA ST BENEDICT CRHC PO Box 279 LAKE ANDES SD 57356 AVERA ST LUKES 305 S STATE ST ABERDEEN SD 57402-4400 AVERA UNITED CLINIC 1440 15T AVE NW Ste 16 ABERDEEN SD 57401 AVFUEL CREDIT CARD PO Box 930847 KANSAS CITY MO 64193-0847 AVIATION COMMEMORATIVE ENTHUSIASTS 3501 N AVIATION Ave SIOUX FALLS SD 57104 AVIATION ENHANCEMENTS 6225 47TH ST SE ST CLOUD MN 56304 AVIATION WEEK & SPACE PO Box 505 HIGHSTOWN NJ 08520 Avista Corp Randall O Cloward Director Transmission Operation 1411 E Mission Ave Spokane WA 99202 AVISTA CORPORATION 1411 E MISSION Ave SPOKANE WA 99252-0001 Avista Corporation Attention Credit Manager 1411 East Mission PO Box 3727 Spokane WA 99220-3727 Avista Corporation 1411 East Mission PO Box 3727 Spokane WA 99220-3727 Avista Corporation dba Avista Utilities Resource Accounting 1411 E Mission Ave PO Box 3727 Spokane WA 99220 AVISTA ENERGY 201 W N RIVER Dr Ste 610 SPOKANE WA 99201 AVISTA ENERGY 201 W NORTH RIVER Dr Ste 610 SPOKANE WA 99201 Avista Energy Inc c o Scott W Maccormack Heller Ehrman White & McAuliffe LLP 701 Fifth Ave St 6100 Seattle WA 98104-7098 Avista Energy Inc co Scott W Maccormack Heller Ehrman White & McAuliffe LLP 701 Fifth Avenue Suite 6100 Seattle WA 98104-7098 Avista Fiber Inc West 201 W North River Dr Ste 450 Spokane WA 99201 AVISTA UTILITIES 1411 E MISSION Ave SPOKANE WA 99220 AVISTA UTILITIES 1411 EAST MISSION Ave PO Box 3727 SPOKANE WA 99220 AVO INTERNATIONAL 4271 BRONZE WAY DALLAS TX 75237 AVO INTERNATIONAL PO Box 160 MOORHEAD MN 56561-0160 AVON AMERICAN LEGION PO Box 333 AVON SD 57315 AVON CHAMBER OF COMMERCE PO Box 315 AVON SD 57315 AVON FIRE DEPARTMENT PO Box 363 AVON SD 57315 AVON POST PROM PO Box 391 AVON SD 57315 AVON SAVE A LIFE 208 ASH ST AVON SD 57315 AVON TRUE VALUE 126 NO MAIN St AVON SD 57315 AVON TRUE VALUE 126 NOE MAIN St AVON SD 57315 AWIN MANAGEMENT INC 15880 N GREENWAYHAYDEN LOOP Ste SCOTTSDALE AZ 85260 AXMEN 7655 US HWY 10 W MISSOULA MT 59808 AZCO ACCOUNT SERVICES PO Box 6095 GREAT FALLS MT 59406 B & B CARPET INSTALLATION 520 3RD ST SW HURON SD 57350 B & B CONTRACTING 723 COMMERCE ST ABERDEEN SD 57401 B & B INDUSTRIAL MACHINE 2501 16TH ST NE BLACK EAGLE MT 59414 B & D OFFICE CITY 321 E 5TH ST NORTH PLATTE NE 69101-6920 B & F Excavating Co Inc PO Box 428 Columbia Falls MT 59912-0421 B & H ENTERPRISES OFFICE BLDG 3709 BROOKS MISSOULA MT 59801 B & H PHOTO VIDEO PRO AUDIO 420 9TH AVE NEW YORK NY 10001

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 10 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country B & H PUBLISHING INC PO Box 388 SCOTLAND SD 57059 B & L Pumping PO Box 302 Browning MT 59417 B & N WEED CONTROL 73 VIKING LANE PHILIPSBURG MT 59858 B & P SERVICES PO Box 126 PLAINS MT 59859-0126 B & S INC 3035 STRAINER RD HELENA MT 59602 B C HEARING 700 DEWEY BLVD BUTTE MT 59701 B C Hearing LLC 700 Dewey Butte MT 59701 B&C AG SERVICES LLC 38814 148TH ST MANSFIELD SD 57460 B&H ENTERPRISES 3803 BROOKS MISSOULA MT 59803 BACK COUNTRY HORSEMEN PO Box 1367 GRAHAM WA 98338-1367 BACKDROP OUTLET 2215 S MICHIGAN AVE CHICAGO IL 60616 BADGER DAYLIGHTING CORPORATION PO Box 5592 INDIANAPOLIS IN 46255-5592 BADGER DAYLIGHTING OF BOZEMAN PO Box 1284 CHINOOK MT 59523 Badger Directional Drilling Inc 185 Bachelor Grade Rd Kalispell MT 59901 BAERS DRYWALL SERVICE 1202 E 30TH ST KEARNEY NE 68847 BAGDAD SHRINE TEMPLE 314 W PARK BUTTE MT 59701 BAHAI FAITH PO Box 1563 KALISPELL MT 59901 Bailey Plumbing & Heating 1517 Westview Dr Mitchell SD 57301 BAILEY WELDING INC 807 N ROWLEY ST MITCHELL SD 57301 BAKER BOTTS LLP PO Box 201626 HOUSTON TX 77216-1626 BAKER EXCAVATING PO Box 574 WHITEHALL MT 59725 BALANCEDCARE 22 W FRONT St BUTTE MT 59701 BALDWIN ENGINEERING * 3427 DAKOTA AVE S HURON SD 57350 BALDWIN ENTERPRISES 3427 DAKOTA AVE S HURON SD 57350 BALLYHOO PRINTING & DESIGN ROUTE 2 BOX 2350 LEWISTOWN MT 59457 BALSAM PRODUCING PROPERTIES LLC PO Box 1324 BILLINGS MT 59103 BALTIC TELECOM COOP 501 SECOND St BALTIC SD 57003 BALTRUSCH ENGINEERING 23 Missouri Bnd Great Falls MT 59404-6486 BAM AND SONS CONSTRUCTION PO Box 687 FLORENCE MT 59833 BANC OF AMERICA INVESTMENT SERVICES 900 W TRADE St CHARLOTTE NC 28255 Banc of America Securities (Non-ADP) Attn Reorganization Department 100 W 33rd St 3rd Floor Mail Code NY1 509 03 05 New York NY 10001 Banc of America Securities LLC (ADP) c o ADP BANDIT INDUSTRIES INC 6750 MILLBROOK Rd REMUS MI 49340 BANK OF AMERICA 555 CALIFORNIA St SAN FRANCISCO CA 94604 Bank of America c o ADP BANK OF AMERICA RADIODETECTION CORPORATION ATLANTA GA 30384-6959 Bank of Marica NT&SA Commercial Card Services 777 108th Ave NE Ste 510 Bellevue WA 98004 Bank of New York as Guaranty Trustee 101 Barclay St New York NY 10286 Bank of New York as Trustee on behalf of the Bond and Note Holders 101 Barclay St New York NY 10286 BANK ONE ONE 1ST NATL BK PLZA STE 0823 CHICAGO IL 60670-0823 BANK ONE AUTO LEASING PO Box 29502 PHOENIX AZ 85038 Bank One Corporation Attn: Corporate Trust Administration Trustee of MT Revenue Refunding Bonds 1 Bank One Plaza CHICAGO IL 60670 BANKERS COMPLIANCE CONSULTING 1611 17TH AVEE CENTRAL CITY NE 68826 BANKERS TRUST COMPANY 100 PLAZA ONE JERSEY CITY NJ 07311 BANKERS TRUST COMPANY 4 ALBANY ST MAIL STOP 5041 NEW YORK NY 10006 Banner 715 N Brown CO 19 Aberdeen SD BAO SCIENCE BOWL FUND PO Box 35800 BILLINGS MT 59107-5800 BAR JP INC PO Box 160278 BIG SKY MT 59716 Baraby 555 3rd St Helena MT 59601 BARAN PRODUCTIONS 6000 PINE MEADOW RD EAST HELENA MT 59635 BARB MILLS PO Box 611 ARMOUR SD 57313 BARB SKELTON 7256 US HWY 3 BILLINGS MT 59106 BARB SKINNER 40 COVE LANE GREAT FALLS MT 59404 Barbara J Kosiak 5173 RED OAK DR MOUNDS VIEW MN 55112-4871 BARBARA MARTIN PO Box 284 COLSTRIP MT 59323 Barbara McHugh 2201 W 6th St 211 Sioux Falls SD 57104 BARBARA OTTESON 227 S 4TH St 3 MALTA MT 59538 BAREBACK RECORDS 5447 PROSPECT DR MISSOULA MT 59808 BARNEY ABSTRACT & TITLE CO 2222 2ND AVE Ste 100 KEARNEY NE 68848 BARR ENGINEERING COMPANY 4700 W 77TH ST MINNEAPOLIS MN 55435 BARREL MOUNTAINEERING 240 E MAIN BOZEMAN MT 59715 BARRETTS MINERALS 8625 MONTANA HIGHWAY 91 S DILLON MT 59725-9708 BARRETTS MINERALS INC 8625 HIGHWAY 91 S DILLON MT 59725 Barretts Minerals Incorporated Plant Manager 8625 S US Hwy 91 Dillon MT 59725 Barrow Hanley Mewhinney and Strauss In 3232 McKinney Ave 15th F Dallas TX 75204-2429 BARRY GILPIN 12 Sunrise Dr Plains MT 59859-9374 Barry J Stefan 116 Cedar St Narvon PA 17555 Barry J Stefan The Depository Trust Company 55 Water St 49th Fl New York NY 10041 BARRY LAZARUS MOSS & BARNETT 4800 NORWEST CENTER 90 S SEVENTH St MINNEAPOLIS MN 55402 Bart A Thielbar Sr VP Technology and CIO NorthWestern Energy Bart A Thielbar 1013 W Fairview Drive Luverne MN 56156 Bart A Thielbar Sr VP Technology and CIO NorthWestern Energy 1013 W Fairview Drive Luverne MN 56156 BARTA ELECTRIC INC PO Box 37 WEST YELLOWSTONE MT 59758 BARTI METAL PROCESSING 1969 OLD HIGHWAY 14 HURON SD 57350 BARTONS HEATING & COOLING 235 3RD ST SW HURON SD 57350 BARTSCHER CONCRETE & MASONRY INC 41041 261ST ST MITCHELL SD 57301 BARTUNEK INCORPORATED PO Box 891 YANKTON SD 57078 BARTZ FLORAL CO INC PO Box 698 GRAND ISLAND NE 68802-0698 BASCOM TURNER INSTRUMENT 111 DOWNEY ST NORWOOD MA 02062 BASECNET 76 THIRD ST SW HURON SD 57350

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 11 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BASECNET PO BOX 214 HURON SD 57350 BASH PO Box 3592 GREAT FALLS MT 59403 BASHLIN INDUSTRIES INC 119 W PINE St GROVE CITY PA 16127-0867 BASHLIN INDUSTRIES INC 119 WEST PINE St PO Box 867 GROVE CITY PA 16127-0867 BASIN CREEK EQUITY PARTNERS LLC Attn President 220 N ALASKA BUTTE MT 59701 BASIN ELECTRIC POWER COOP 1717 E INTERSTATE Ave BISMARCK ND 59501-0564 BASIN ELECTRIC POWER COOP 1717 EAST INTERSTATE Ave BISMARCK ND 59501-0564 BASIN ELECTRIC POWER COOPERATIVE 1717 E INTERSTATE AVE BISMARCK ND 58501-0564 BASIN ELECTRIC POWER COOPERATIVE 1717 E INTERSTATE Ave BISMARK ND 58501 BASIN ELECTRIC POWER COOPERATIVE 1717 EAST INTERSTATE AVE BISMARCK ND 58503-0564 BASLER ELECTRIC COMPANY E 1110 26TH AVE SPOKANE WA 99203-3213 BASOLO AUTO BODY & PAINT 2000 W Broadway Ste D MISSOULA MT 59802 BASS TRIGON SOFTWARE 8101 S SHAFFER PARKWAY LITTLETON CO 80127 Batavia Services Inc 2500 Bayport Blvd Seabrook TX 77586 BATTERY EXCHANGE LLC 1912 STATE HIGHWAY 314 YANKTON SD 57078 BATTLE CREEK GAS GATHERING PARK & MAIN StS BUTTE MT 59701 BAUMFOLDER CORPORATION 1600 CAMPBELL RD SIDNEY OH 45365 BAUMGARDNER LIND ADJUSTERS INC PO Box 22543 BILLINGS MT 59104-2543 BAUMGARTNERS ELECTRIC INC 1601 W 1ST St SIOUX FALLS SD 57104 BAXAS GOOD TIMES CAFE PO Box 72 CANISTOTA SD 57012 BAY TACT CORPORATION 440 ROUTE 198 WOODSTOCK VALLEY CT 06282 BAYTECHNICAL ASSOCIATES INC PO Box 387 BAY ST LOUIS MS 39520 Bayview Technology Group LLC 2601 Blake St Ste 302 Denver CO 80205 BBQ BOB 1630 KNIGHT ST HELENA MT 59601 BDW PARTNERSHIP (PINE CREEK) 315 S 10TH E SALT LAKE CITY UT 84102-4210 BDW Partnership Pine Creek c o Mr & Mrs Robert & Gwila Despain 3742 E Little Cottonwood Canyon Rd Salt Lake City UT 84092 BEADLE COUNTY CLERK OF COURTS PO Box 1358 HURON SD 57350 BEADLE COUNTY COURTHOUSE ATTN DEBBIE JUNGEMANN PO BOX 845 HURON SD BEADLE COUNTY HUMANE SOCIETY 5063 DAKOTA S HURON SD 57350 BEADLE COUNTY REGISTER OF DEED 450 3RD ST SW HURON SD 57350 BEADLE COUNTY SHERIFF PO Box 42 HURON SD 57350 BEADLE COUNTY SPORTSMENS CLUB PO Box 690 HURON SD 57350-0690 BEADLE COUNTY TREASURER PO Box 74 HURON SD 57350 Beadle Electric Coop Hwy 14 E Huron SD Beadle Electric Cooperative Inc PO Box 38 Huron SD 57350 BEADLE FLORAL AND NURSERY 906 S 8TH St ABERDEEN SD 57401 BEADLE JERAULD RED CROSS 79 3RD ST SE HURON SD 57350 BEAR GRASS RESOURCES 821 N 27TH No248 BILLINGS MT 59101 BEAR PAW CREDIT UNION PO Box 471 HAVRE MT 59501 BEAR PAW ROUNDUP INC PO Box 265 CHINOOK MT 59501 BEAR STEARNS & CO INC 383 MADISON Ave NEW YORK NY 10179 BEAR STEARNS & CO INC Paul Basta Esq Weil Gotshal & Manges LLP 767 Fifth Avenue NEW YORK NY 10153 BEAR STEARNS & CO INC Weil Gotshal & Manges LLP Paul Basta Esq 767 Fifth Avenue NEW YORK NY 10153 Bear Stearns Securities Corp c o ADP BEAR VALLEY RECORDS PO Box 1542 CHINOOK MT 59523 BEARCLAW GATHERING SYSTEMS INC 318 S VIRGINIA CONRAD MT 59425 BEARCLAW GATHERING SYSTEMS INC PO BOX 130908 TYLER TX 75713 BEARING POINT INC 8725 W HIGGINS Rd CHICAGO IL 60631 BEARING SALES 511 4TH Ave S GREAT FALLS MT 59405-1932 BEARING SALES 511 4TH Ave SOUTH GREAT FALLS MT 59405-1932 BEARINGPOINT DEPT AT 40297 ATLANTA GA 31192-0297 BEARPAW GATHERING SYSTEMS INC 930 W 1ST St FORT WORTH TX 76102 BEARTOOTH ELECTRIC CO 0P PO Box 1110 RED LODGE MT 59068-1110 Beartooth Electric Cooperative Mr Robert Walker Manager PO Box 1110 Red Lodge MT 59068 BEARTOOTH HOSPITAL & HEALTH CENTER 600 W 21ST St RED LODGE MT 59068 BEARTOOTH INTERNATIONAL INC 27 BEARTOOTH RANCH Rd COLUMBUS MT 59019 BEAVER CREEK GOLF COURSE PO Box 191 HAVRE MT 59501 BEAVERHEAD CHAMBER OF COMMERCE PO Box 425 DILLON MT 59725

BEAVERHEAD COUNTY CLERK & RECORDER 2 S PACIFIC DILLON MT 59725 BEAVERHEAD COUNTY TREASURER 102 N WASHINGTON DILLON MT 597252601 BEAVERHEAD COUNTY TREASURER 102 N WASHINGTON DILLON MT 59725-2601 BEAVERHEAD COUNTY UNITED WAY PO Box 263 DILLON MT 59725-0263 BEAVERHEAD ELECTRONICS 365 N PARKVIEW DILLON MT 59725 BECKER ELECTRIC INC 1219 BEARTOOTH LAUREL MT 59044 BECKER LANDSCAPING & DESIGN 145 CRYING GEORGE ST BUTTE MT 59701 BECKLER CONSTRUCTION 1107 E 8TH AVE REDFIELD SD 57469 BECKLUND & ASSOCIATES 2601 70TH AVE W Ste B UNIVERSITY PLACE WA 98466 BECKS ACE HARDWARE 900 21ST ST SW HURON SD 57350 BECKWITH ELECTRIC CO INC 6190 118TH Ave N LARGO FL 33773-3724 BECKWITH ELECTRIC CO INC 7400 CEDAR AVE MINNEAPOLIS MN 55423 BEE BROADCASTING INC PO Box 5409 KALISPELL MT 59903 BEECH TRANSPORTATION 9960 FLYING CLOUD DR EDEN PRAIRIE MN 55347 BEI CAPELLI 2940 FLORAL BLVD BUTTE MT 59701 BELFRY HIGH SCHOOL PO Box 28 BELFRY MT 59008 BELGRADE BASEBALL INC PO Box 221 BELGRADE MT 59714 BELGRADE CHAMBER OF COMMERCE 10 E MAIN St BELGRADE MT 59714 BELGRADE SCHOOL DISTRICT #44 312 N WEAVER BELGRADE MT 59714 BELGRADE URGENT CARE 403 W MAIN BELGRADE MT 59714 Belgrade Urgent Care 403 W Main St Belgrade MT 59714 BELGRADE YOUTH BASEBALL PO Box 766 BELGRADE MT 59714 BELL & HOWELL 711 E 2ND DES MOINES IA 50309

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 12 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BELL LUMBER & POLE CO c o Moss & Barnett Attn C Weil Esq 4800 Well Fargo Center 90 S Seventh St Minneapolis MN 55402 BELL LUMBER & POLE CO C/O Moss & Barnett Attn C Weil Esq 4800 Well Fargo Center 90 South Seventh Street Minneapolis MN 55402 BELL LUMBER & POLE COMPANY PO Box 748 CONWAY WA 98238 BELT AMBULANCE SERVICE GENERAL DELIVERY BELT MT 59412 BELT COMMUNITY POOL PO Box 601 BELT MT 59412 BELT VALLEY HIGH SCHOOL PO Box 197 BELT MT 59412 BELTONE HEARING AID CENTER PO Box 1276 HURON SD 57350-1276 Ben Borhani PO Box 3263 Joplin MO 64803-3263 Ben Borhani The Depository Trust Company 55 Water St 49th Fl New York NY 10041 BEN FRANKLIN CRAFTS 304 DAKOTA AVE HURON SD 57350 BENEFIS CONVENIENCE CARE PO Box 5096 GREAT FALLS MT 59403 Benefis Health Care 1101 26th St S Great Falls MT 59405 BENEFIS HEALTH CARE PO Box 5096 GREAT FALLS MT 59403-5096 BENEFIS HEALTH CARE GREAT FALLS 1101 26TH St S GREAT FALLS MT 59405-5104 BENEFIS WEST 500 15TH Ave S GREAT FALLS MT 59404 BENJAMIN F EDWARDS 16 WATERBURY RD PROSPECT CT 06712 BENNETT MOTORS 9TH ST 1ST AVE S GREAT FALLS MT 59403 BENNING AUTO PO Box 36 CRESBARD SD 57435 BENSON LAYNE 435 ECHO LAKE Rd BIG FORK MT 599116328 BENTLEY SYSTEMS INC 690 PENNSYLVANIA DR EXTON PA 19341 BENZDICTINE HEALTH FOUNDATION 1000 W 4TH ST YANKTON SD 57078 BERG AUTOMOTIVE PO Box 307 WEBSTER SD 57274 BERG GARAGE INC 11 W MAIN WHITE SULPHUR SPRINGS MT 59645-0470 BERG MEDICAL CLINIC PO BOX 118 De Smet SD 57231-0118 BERGMAN TELECOMM 1917 IDAHO ST SE HURON SD 57350 BERGQUIST BOARDING 3907 DUCK CLUB Rd BILLINGS MT 59105 BERGQUIST INC PO Box 351330 TOLEDO OH 43635-1330 BERKNER EXCAVATING PO Box 87 MILBANK SD 57252 Bernard Middleman 29521 Kings Point Ct Farmington MI 48331-2160 Bernard Middleman The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Bernard Shusman IRA PO BOX 908 REMSENBURG NY 11960 BERNARD T & MARY F KOENIG 5667 MIDWAY Rd W CONRAD MT 59425 Berndts Landscaping & Lawn Care 101 E Broaday Missoula MT 59801 BERNDTS LANDSCAPING & LAWNCARE 101 E Broadway ST No407 MISSOULA MT 59802 BERNICE POLLNER 15 HILL PARK AVE APT 1N GREAT NECK NY 11021 Bernice Pollner 24419 73RD AVE LITTLE NECK NY 11362-2321 BERNICE POLLNER 5749 GEMSTONE CT APT 408 BOYNTON BEACH FL 33437-7243 Bernice Pollner BERNICE POLLNER 15 HILL PARK AVE APT 1N GREAT NECK NY 11021 Bernice Pollner BERNICE POLLNER 5749 GEMSTONE CT APT 408 BOYNTON BEACH FL 33437-7243 BERNSTEIN REIN YELLOW PAGES 4600 MADISON KANSAS CITY MO 64112 BernsteinRein Advertising Inc Account Executive 4600 Madison Ste 1500 Kansas City MO 64112 BERT MOONEY AIRPORT 101 AIRPORT RD BUTTE MT 59701 BERTS UPHOLSTERY 799 E FRONT St BUTTE MT 59701 BEST ACCESS SYSTEMS 18401 E VALLEY HWY KENT WA 98032 BEST BUSINESS PRODUCTS 621 W Russell PO Box 749 Sioux Falls SD 57101 BEST BUSINESS PRODUCTS 621 W. Russell PO Box 749 Sioux Falls SD 57101 BEST BUSINESS PRODUCTS INC PO Box 749 SIOUX FALLS SD 57101-0749 BEST BUY STORE #17 2101 W 41ST ST SIOUX FALLS SD 57105 BEST FIRE EQUIPMENT & SUPPLY PO Box 37 HAMILTON MT 59840-0037 BEST FRIENDS ANIMAL HOSPITAL 1900 4TH ST NE Ste 103 GREAT FALLS MT 59404 BEST INN CONFERENCE CENTER 3803 BROOKS MISSOULA MT 59804 BEST INN NORTH 4953 N RESERVE ST MISSOULA MT 59808 BEST INN SOUTH 3603 BROOKS MISSOULA MT 59804 BEST SOFTWARE INC PO Box 64351 BALTIMORE MD 21264 BEST WESTERN BUTTE PLAZA INN 2900 HARRISON Ave BUTTE MT 59701 BEST WESTERN GRANT CREEK INN 5280 GRANT CREEK RD MISSOULA MT 59802 BEST WESTERN GRANTREE INN 1325 N 7TH AVE BOZEMAN MT 59715-2511 BEST WESTERN HERITAGE INN 1700 FOX FARM RD GREAT FALLS MT 59404-3324 BEST WESTERN INN 2900 HARRISON AVE BUTTE MT 59701 BEST WESTERN KELLY INN EE HWYE 50 YANKTON SD 57078 BEST WESTERN OF HURON 2000 DAKOT AVE S HURON SD 57350 BEST WESTERN RAMKOTA INN 1400 8TH AVE NW ABERDEEN SD 57401 BEST WESTERN RAMKOTA INN 920 W SIOUX PIERRE SD 57501 BETH JOHNSON 25152 397TH Ave MOUNT VERNON SD 57363 BETHEL LUTHERN HOME 1001 S EGAN AVE MADISON SD BETHESDA HOME 1224 S HIGH ST ABERDEEN SD 57401 Bethlehem Lutheran Church 1629 Milwaukee AVE SE Aberdeen SD Bethseda Home 1224 S High St Aberdeen SD Bethseda Home of Aberdeen 1224 S High St Aberdeen SD BETTE S MILLER 303 Tower St Missoula MT 59804-1032 Betty Drapeaux Robert K. Randall Borkon Ramstead Mariani et a 5401 Gamble Drive Ste 100 Minneapolis MN 55416 BETTY J PEPPER 3383 BRANIFF CAMERON PARK CA 95682 Betty Lou Rohde 20 W 1st Ave PO Box 146 Webster SD 57274 Betty Lou Rohde Attorney Leon J Vander Linden Box 615 Webster SD 57274 Betty Lou Rohde Betty Lou Rohde 20 W 1st Ave PO Box 146 Webster SD 57274 BETTY V HILL 301 W FRONT ST APT 711 MISSOULA MT 59802-4162 BETZ BLINDS INC 3504 S WESTERN AVE SIOUX FALLS SD 57105 BEVERLY A RUKSTAD 1637 OLD SORREL TRAIL BILLINGS MT 59105 BEVERLY D HARRIS 202 S 7TH ST LIVINGSTON MT 59047 Beverly D Harris c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Beverly D Harris PO Box 461 Livingston MT 59047 Beverly D Harris Beverly D Harris PO Box 461 Livingston MT 59047

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 13 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BEVERLY ENTERPRISES DBA COLONIAL MANOR RR 2 BOX 480 GROTON SD 57445-9802 BEVERLY HEALTHCARE 1015 3RD ST FACILITY REDFIELD SD BF GOODRICH 7824 COLLECTION CENTER DR CHICAGO IL 60693 BFI MISSOULA LANDFILL PO Box 538107 ATLANTA GA 30353-1807 BFI WASTE SYSTEMS PO BOX 79059 PHOENIX AZ 85062-9059 BGS MOBILE HOME 2745 HOWARD RD HELENA MT 59601-9566 BHCE PO BOX 410 HARDIN MT 59034-0410 BICKNER ELECTRIC 116 W Railroad ST KIMBALL SD 57355-0189 BICOS CAFE 10475 1st Avenue Pl N KEARNEY NE 68847-1519 Bidart & Ross 775 8266400 FAX 775 8266698 10391 Double R Blvd Reno NV 89521 BIDART & ROSS INC 10391 DOUBLE R Blvd RENO NV 89521 Bidart and Ross Inc James Ross President 10391 DOUBLE R BLVD RENO NV 89521-5991 BIERSBACH LUMBER PO Box 198 BRISTOL SD 57219 BIERSCHBACH PO Box 1444 SIOUX FALLS SD 57101-1444 BIEVERS BULK SALES PO Box 97 IROIQUOIS SD 57353 BIG "Z" INC 1400 POLY Dr Ste 10E BILLINGS MT 59102 BIG BEAR SIGN CO INC 1500 CLARK FORK LN MISSOULA MT 59808 BIG BEND SHRINE CLUB PO Box 18 KIMBALL SD 57355 BIG BROTHERS & SISTERS OF HELENA HELENA MT 59601 BIG BROTHERS & SISTERS OF YELLOWSTONE COUNTY BILLINGS MT 59101 BIG BROTHERS & SISTERS OF BUTTE PO Box 62 BUTTE MT 59703-0062 Big Brothers Big Sisters - BBBS 15 S 8th Ave Bozeman MT 59715-4444 BIG BROTHERS BIG SISTERS OF BUTTE PO Box 62 BUTTE MT 59703-0062 BIG BROTHERS BIG SISTERS OF GRAND I 502 W 2ND St GRAND ISLAND NE 68801 BIG BUTTE KIWANIS PO Box 3407 BUTTE MT 59702-3407 BIG BUTTE VFD 945 LEXINGTON BUTTE MT 59701 BIG CREEK FENCE PO Box 136 VICTOR MT 59875 BIG FLAT ELECTRIC COOP INC PO Box 229 MALTA MT 59538 Big Flat Electric Inc PO Box 229 Malta MT 59538 BIG HORN COUNTY CLERK & RECORDER PO Box 908 HARDIN MT 59034 BIG HORN COUNTY ELECT COOP INC PO Box 410 HARDIN MT 59034-0410 Big Horn County Electric Cooperative Inc PO Box 0558 Lodge Grass MT 59050 BIG HORN COUNTY ELECTRIC COOPERATIVE INC PO BOX 410 HARDIN MT 59034-0410 BIG HORN COUNTY NEWS PO Box 926 HARDIN MT 59034 BIG HORN COUNTY TREASURER COURTHOUSE HARDIN MT 59034 BIG HORN HOSPITAL FOUNDATION 17 N MILES Ave HARDIN MT 59034 BIG HORN RURAL ELECTRIC CO PO Box 270 BASIN WY 82410 BIG JOHNS LLC PO Box 11509 BOZEMAN MT 59719 BIG O TIRES OF GRAND ISLAND 2135 N DIERS AVE GRAND ISLAND NE 68803 BIG SANDY AUTO PARTS PO Box 590 BIG SANDY MT 59520 BIG SANDY HIGH SCHOOL PO Box 570 BIG SANDY MT 59520 BIG SKY APARTMENTS 720 N 18TH ST BILLINGS MT 59101 BIG SKY AUTO SERVICE 47520 GALLATIN RD 2A GALLATIN GATEWAY MT 59730 BIG SKY BROKERS LLC 1824 N LAST CHANCE GULCH HELENA MT 59601 BIG SKY BUSINESS FORMS PO Box 4046 MISSOULA MT 59806-4046 BIG SKY BUSINESS JOURNAL PO Box 3262 BILLINGS MT 59103 BIG SKY CHAMBER OF COMMERCE PO Box 160100 BIG SKY MT 59716-0100 BIG SKY CHIROPRACTIC 120 N 19TH AVE Ste B BOZEMAN MT 59718 BIG SKY COAL COMPANY (PEABODY) PO Box 97 COLSTRIP MT 59323 BIG SKY COMMUNICATIONS INC 124 TAILGATE LANE HAMILTON MT 59840 BIG SKY CYCLERY 1110 S AVE W MISSOULA MT 59802 BIG SKY ECONOMIC DEVELOPMENT CORP 222 N 32ND St Ste 100 BILLINGS MT 59101-1911 BIG SKY FIRE EQUIPMENT 207 W JANEAUX ST LEWISTOWN MT 59457 BIG SKY FIRE PROTECTION INC 2915 HANNON Rd BILLINGS MT 59101 BIG SKY GIRLS FASTPITCH SOFTBALL PO Box 50954 BILLINGS MT 59102 BIG SKY HI PREP PO Box 714 MERIDIAN ID 83642 BIG SKY HIGH SPEED INTERNET 65 E Broadway BUTTE MT 59701 BIG SKY HOSPICE PO Box 35033 BILLINGS MT 59107 BIG SKY LIFT TRUCK INC PO Box 31395 BILLINGS MT 59107 BIG SKY LINEN SUPPLY 715 CENTRAL AVE BILLINGS MT 59102-5816 BIG SKY MARTIAL ARTS 301 MAIN St KALISPELL MT 59901 BIG SKY OWNERS ASSN PO Box 160057 BIG SKY MT 59716-0057 BIG SKY READY MIX INC 2930 CANYON FERRY RD HELENA MT 59601-1227 BIG SKY REPORTING 910 10TH St WEST No 232 BILLINGS MT 59104-0941 BIG SKY RESORT PO Box 160001 BIG SKY MT 59716 BIG SKY ROCKY MOUNTAIN 4 H CLUB PO Box 28 RAMSAY MT 59748 BIG SKY SCIENCE BOWL PO Box 35800 BILLINGS MT 59107-5800 BIG SKY SEAMLESS GUTTERS 1115 MISSOURI BUTTE MT 59701 BIG SKY SOUND INC PO Box 20236 BILLINGS MT 59104 BIG SKY SPRINKLERS 2685 TONEY ST HELENA MT 59635-3394 BIG SKY STATE GAMES FIRST INTERSTATE BANK BLDG BILLINGS MT 59103-7136 Big Sky State Games Michael E Begley Moulton Bellingham Longo & Mather PC Ste 1900 Sheraton Plaza PO Box 2559 Billings MT 59103-2559 BIG SKY TENT & AWNING PO Box 596 MISSOULA MT 59806 BIG SKY VENDING & COFFEE CO 150 W PARKMONT BUTTE MT 59701 BIG SKY WRANGLERS ASSOCIATION PO Box 589 GREAT FALLS MT 59403 BIG SPRING WATER COMPANY 201 1ST AVE N PO Box 3505 LEWISTOWN MT 59457 BIG STONE CITY & RURAL FIRE PO Box 293 BIG STONE CITY SD 57216 BIG STONE COLONY PO Box 70 SAND COULEE MT 59472 Big Timber Budget Host Steve and Cathy Dempster PO Box 1301 Big Timber MT 59011 BIG TIMBER BUDGET HOSTS 600 W 2ND AVE BIG TIMBER MT 59011

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 14 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BIG TIMBER BUDGET HOSTS 600 W 2ND AVE PO Box 1301 BIG TIMBER MT 59011 BIG TIMBER PIONEER PO Box 190 BIG TIMBER MT 59011 BIG TIMBER PIONEER PO Box 830 BIG TIMBER MT 59011 BIGFORK CLASS OF 2002 120 INDUSTRIAL CT KALISPELL MT 59901 BIGFORK SCHOOL DISTRICT PO Box 188 BIGFORK MT 59911 BIKENET PO Box 81146 BILLINGS MT 59108 Bill Ball 10222 E Southwind Ln Unit 1002 Scottsdale AZ 85262-4687 Bill Baltrusch Construction Inc PO Box 111 Havre MT 59501 BILL CIARLONE PO Box 58 RANCHESTER WY 82839 BILL FIELD TRUCKING INC PO Box 418 ANACONDA MT 59711 Bill Field Trucking LLC PO Box 418 Anaconda MT 59711 BILL HEALY RR2 BOX 29 MONTROSE SD 57048 Bill Herbolich dba Whitehall Cable TV PO Box 343 Whitehall MT 59759 BILL JAMESON 1404 SO BOZEMAN Ave BOZEMAN MT 59715 Bill Markovich Construction Inc 2827 Lexington Butte MT 59701 BILL MARKOVICH CONSTRUCTION INC 2827 LEXINGTON Ave BUTTE MT 59701 Bill Parnell dba Mall Services PO Box 3674 Butte MT 59702-3674 BILL PATTON 500 E BECKWITH Ave MISSOULA MT 59801 BILL STALLMAN PO Box 393 CHAMBERLAIN SD 57325 Bill Thomas dba Thomas Built Up Roofing 2931 Quincy Butte MT 59701 BILL WARDELL 7052 KANSAS WAY HELENA MT 59602 BILLIE KAYE HARMS PO Box 1220 LIVINGSTON MT 59047-1220 BILLING BUILDERS EXCHANGE INC 2050 Broadwater AVE Ste A BILLINGS MT 59102 BILLINGS AMERICAN LEGION BASEBALL PO Box 1801 BILLINGS MT 59104 BILLINGS AMERICAN LEGION BASEBALL PO Box 22535 BILLINGS MT 59104 BILLINGS BENCH WATER ASSOCIATION PO Box 50150 BILLINGS MT 59105 0150 BILLINGS BIG SKY LITTLE LEAGUE 2002 NORTHRIDGE CIRCLE BILLINGS MT 59102 BILLINGS BLUES 2908 VERMILLION DR BILLINGS MT 59102 BILLINGS CATHOLIC SCHOOLS PO Box 31158 BILLINGS MT 59107 BILLINGS CHAMBER OF COMMERCE PO Box 31177 BILLINGS MT 59107 BILLINGS CHAPTER PREVENTION OF PO Box 22581 BILLINGS MT 59104 BILLINGS CLINIC DAVE JOHNSON PAC BILLINGS MT 59107-5100 BILLINGS CONSTRUCTION SUPPLY INC 5514 KING AVE E BILLINGS MT 59101 Billings Construction Supply Inc PO Box 80701 Billings MT 59108 BILLINGS CUBS 1804 WYOMING AVE BILLINGS MT 59102 BILLINGS ENGINEERS CLUB 2334 LEWIS AVE BILLINGS MT 59102 Billings Flying Service Inc 6309 Jellison Billings MT 59101 BILLINGS FOOD BANK PO Box 1158 BILLINGS MT 59102-1158 BILLINGS GAZETTE PO Box 31238 BILLINGS MT 59107-1238 BILLINGS GAZETTE PO Box 36300 BILLINGS MT 59107-0490 Billings Generation 40 East Granite St Butte MT 59701 BILLINGS GENERATION INC OWEN H ORNDORFF 1087 W RIVER St Ste 230 BOISE ID 83702 BILLINGS HEIGHTS LIONS CLUB PO Box 1304 BILLINGS MT 59104-1102 BILLINGS HOTEL & CONVENTION CENTER 1223 MULLOWNEY LANE BILLINGS MT 59101 BILLINGS HOTEL AND CONVENTION CENTR 1223 MULLOWNEY WAY BILLINGS MT 59101 BILLINGS MUSTANGS PIONEER BASEBALL PO Box 1553 BILLINGS MT 59103-0330 BILLINGS NURSERY & FLORAL 7900 LAUREL S FRONTAGE RD BILLINGS MT 59101 BILLINGS OFFICE SYSTEMS PO Box 20756 BILLINGS MT 59108 BILLINGS OUTLAWS 303 N Broadway Ste 616 BILLINGS MT 59101 BILLINGS OVERHEAD DOOR COMPANY 813 3RD Ave N BILLINGS MT 59101 BILLINGS PETROLEUM CLUB BILLINGS SHERATON HOTEL 22ND FL PO Box 1957 BILLINGS MT 59103 BILLINGS PLAZA HOLIDAY INN 5500 MIDLAND RD BILLINGS MT 59101 BILLINGS POLICE FOUNDATION PO Box 1554 BILLINGS MT 59103 BILLINGS POLICE PROTECTIVE ASSN BILLINGS MT 59103-2104 BILLINGS PROFESSIONAL CLUB PO Box 1957 BILLINGS MT 59103 BILLINGS REGIONAL LANDFILL PO Box 1178 BILLINGS MT 59103 BILLINGS SCARLETTS BOOSTER CLUB BILLINGS MT 59107-1317 BILLINGS SCHOOL DISTRICT 101 10TH ST W BILLINGS MT 59102 BILLINGS SOFTBALL ASSOCIATION 3166 VIOLA LANE BILLINGS MT 59102 BILLINGS SYMPHONY 201 NE Broadway STE 350 BILLINGS MT 59101 BILLINGS WEST ROTARY 935 ALDERSON BILLINGS MT 59101 BILLSERV INC 1900 Emery ST NW 2nd Fl Atlanta GA 30318 BILLSERV INC ATTN MARSHALL MILLARD 211 N LOOP 1604 E Ste 100 SAN ANTONIO TX 78232 BILLSERVCOM 211 N LOOP 1604 E Ste 200 SAN ANTONIO TX 78232 BILLY FLYNN 3225 BURLINGTON BUTTE MT 59701-4413 BILLY MILLS 7760 WINDING WAY FAIR OAKS CA 95628 BILLY MILLS SPEAKERS BUREAU 7760 WINDING WAY FAIR OAKS CA 95628 BINGHAM ENGINEERING (PONY GEN) 315 S 10TH E SALT LAKE CITY UT 84102-2410 Bingham Engineering Pony Gen c o Mr & Mrs Robert & Gwila Despain 3742 E Little Cottonwood Canyon Rd Salt Lake City UT 84092 BIOCHEM INCORPORATED PO Box 521925 SALT LAKE CITY UT 84152-1925 BISHOP RADIANT HEATING SYS INC 8945 J ST No13 OMAHA NE 68127

Bison Building Systems dba Bison Concrete Cutting PO Box 325 Somers MT 59932 Bison Engineering Inc 30 S Ewing Helena MT 59601 BISON MOTOR COMPANY 500 10TH Ave S GREAT FALLS MT 59403-1548 BITTERROOT CLINIC 1224 WE MAIN St HAMILTON MT 59840 BITTERROOT DISPOSAL PO Box 1250 HAMILTON MT 59840 BITTERROOT LAUNDRY & CLEANERS 113 FOXFIELD Ste A HAMILTON MT 59840 BITTERROOT MOTORS INC HIGHWAY 93 AT 39TH MISSOULA MT 59806-3388 BITTERROOT ROCK PRODUCTS PO Box 642 DARBY MT 59829 BITTERROOT SWIM TEAM PO Box 272 HAMILTON MT 59840-0272 BITTERROOT VALLEY CHAMBER OF 105 E MAIN ST HAMILTON MT 59840-2568

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 15 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BITTERROOT WELDING & HYDRAULICS 1909 WYOMING MISSOULA MT 59807 BJERKE SANITATION RR2 ALTAMONT SD 57226 BJORKMAN & FINK P C 304 MAIN Ave BRIDGEWATER SD 57319-0444 BKD 901 E ST LOUIS ST STE 1000 SPRINGFIELD MO 65801-1190 BLACK & VEATCH CORPORATION PO Box 803823 KANSAS CITY MO 64180-3823 BLACK BOX CORPORATION 1000 PARK DR LAWRENCE PA 15055 BLACK EAGLE CASCADE CO WATER DEPT PO Box 1 BLACK EAGLE MT 59414-0001 Black Eagle Cascade County Water District PO Box 1 Black Eagle MT 59414 BLACK EAGLE PARK 3122 LOWER RIVER RD GREAT FALLS MT 59404 BLACK EAGLE/CASCADE CO WATER DEPT PO Box 1 BLACK EAGLE MT 59414-0001 BLACK GOLD TOP SOIL PO Box 5315 KALISPELL MT 59903-5315 Black Hawk Properties LLC PO Box 615 Black Hawk SD 57718 BLACK HILLS POWER PO Box 1440 RAPID CITY SD 00000 Black Sandy Property Association Black Sandy Property Association (BSPA) PO Box 7702 Helena MT 59604-7702 BLACKFEET DEPARTMENT OF REVENUE PO Box 3009 BROWNING MT 59417 BLACKFEET LOOP TAX BLACKFEET POSSESSORY TAX BLACKFEET TRIBAL PROCUREMENT DEPT PO Box 850 BROWNING MT 59417 BLACKFEET TRIBE REVENUE PO Box 850 BROWNING MT 59417

BLACKFOOT CLARKFORK TELEPHONE COMM 1221 N RUSSELL ST MISSOULA MT 59808 BLACKFOOT TELEPHONE CO OP INC 1221 N RUSSELL ST MISSOULA MT 59802-1805 BLACKFOOT TELEPHONE COOP INC 1112 N RUSSELL ST MISSOULA MT 59801-3511 BLACKFOOT TELEPHONE COOP INC 1221 N RUSSELL ST MISSOULA MT 59808 Blackfoot Telephone Cooperative 1112 N Russell St Missoula MT 59801 BLACKFOOT VALLEY DISPATCH PO Box 427 LINCOLN MT 59939-0397 BLACKHAWK PROPERTIES LLC PO BOX 615 BLACKHAWK SD 57718 BLACKSTONE DEVELOPERS LLC 125 SE DAKOTA AVE SIOUX FALLS SD 57104 BLACKWELL SANDERS PEPER MARTIN PO Box 802765 KANSAS CITY MO 64180-2765 BLAHNIK CONSTRUCTION 759 HIGHWAY 93 N HAMILTON MT 59840 Blahnik Construction Inc 759 Highway 93 N Hamilton MT 59701 BLAINE COUNTY TREASURER COURTHOUSE CHINOOK MT 59523 BLAINE COUNTY TREASURER COURTHOUSE CHINOOK MT 59523 BLAINE HILDRETH 3998 BLACKTAIL LOOP BUTTE MT 59701 BLAIR ROOFING & SIDING PO Box 24 DEER LODGE MT 59722 Blakenship Construction Inc PO Box 460 Butte MT 59703 BLASIUS SANITATION PO Box 106 KIMBALL SD 57355 BLESSED SACRAMENT CHURCH 1724 N WALNUT GRAND ISLAND NE 68801-2345 BLESSED SACRAMENT THRIFT SHOP 1724 N WALNUT GRAND ISLAND NE 68801-2345 BLESSING WHITE 23 ORCHARD Rd Ste 2 SKILLMAN NJ 08558-2609 BLOCK PRODUCTIONS 2200 W BURNSIDE SIOUX FALLS SD 57104 BLS ELECTRICAL & HEATING INC 234 N IDAHO DILLON MT 59725 Blue Cross Blue Shield of Montana 2501 Beltview Dr PO Box 4310 Helena MT 59604 4310 BLUE CROSS/BLUE SHIELD MEDICARE PO Box 4310 HELENA MT 59604 BLUE CROSS/BLUE SHIELD OF MT PO Box 4309 HELENA MT 59601 BLUE FLAME GAS ASSOCIATION PO Box 80401 LINCOLN NE 68501-0401 BLUE GOLD COMMITTEE PO Box 589 GREAT FALLS MT 59403 BLUE OCEAN SOFTWARE INC 15310 AMBERLY DR STE 370 TAMPA FL 33647 BLUE PUMPKIN SOFTWARE INC DEPARTMENT 33426 SAN FRANCISCO CA 94139-3426 BLUE RANGE ENGINEERING INC 56 E MURCURY BUTTE MT 59701 BLUE RIBBON FOUNDATION PO Box 303 DEER LODGE MT 59722-0303 BLUE SKY HIGH SCHOOL PO Box 129 RUDYARD MT 59540 BLUE WATER WORKS LLC 100 E MERCURY ST BUTTE MT 59701 BLUE WATER WORKS LLC BILL DIRECT TO LEWISTOWN MALTA MT 59638 Blue Water Works LLC PO Box 3505 Lewistown MT 59457-3505 BLUNT REPAIR 404 W PIERRE ST BLUNT SD 57522 BLUNT STUDY CLUB PO Box 31 BLUNT SD 57522 BNA BOOKS PO Box 7814 EDISON NJ 08818-7814 BOARD OF COUNTY COMMISSIONERS PO Box 925 PHILLIPSBURG MT 59858 BOARD OF ENGINEERS & ARCHITECT PO Box 94751 LINCOLN NE 68509 BOB & LISA JANDEL 17182 385TH AVE REDFIELD SD 57469 BOB BENNETT 1726 GRAND AVE PMB 114 BILLINGS MT 59101 BOB BODE CONSTRUCTION PO Box 398 LAKE PRESTON SD 57249 BOB CASPER WELDING 815 1ST ST W ROUNDUP MT 59072 Bob D Miller dba Rainjet of Montana 8120 Double Tree Ln Missoula MT 59801 Bob Glandt 621 W 26th Kearney NE 68845-4346 BOB HAND HAULING PO Box 8014 BIGFORK MT 59911 BOB JONES 1239 27TH ST NW HURON SD 57350-5029 Bob Krausz dba Snowy Mountain Lock & Doo PO Box 3586 Lewistown MT 59457 BOB LAW INC 3812 SD HWY 314 YANKTON SD 57078 BOB MERRILL RR1 BOX 2 PARKER SD 57053 BOB SCHWARTING 4970 AIRPORT RD KEARNEY NE 68848 BOB SMITH LINCOLN MERCURY PO Box 20838 BILLINGS MT 59104 BOB SYRING & ASSC PO Box 283 WILLOW LAKE SD 57278-0283 Bob Webster 2850 Blacktail Loop Rd Butte MT 59701 BOB WEBSTER 2850 BLACKTAIL LOOP ROAD BUTTE MT 59701 BOB WILLIAMS PO Box 418 FLORENCE MT 59833 Bobbi L Schroeppel 3120 W Miramar Circle Sioux Falls SD 57108

Bobby and Ty Vinson dba Vinson Custom Cutting 3500 14th Ave S Great Falls MT 59405 BOBCAT BACKERS PO Box 718 BROOKINGS SD 57006

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 16 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BOBCAT OF BILLINGS INC 2125 OLD HARDIN Rd BILLINGS MT 59103 BOBCAT RENTAL TRACE SWEENEY LEWISTOWN MT 59457 BOBS CANDY SERVICE INC 1119 W 9TH YANKTON SD 57078 BOBS ELECTRIC OF MADISON INC PO Box 49 MADISON SD 57042-0049 BOBS LOCK & KEY 900 WE 41ST STE SIOUX FALLS SD 57105 BOBS PICKUP & DELIVERY INC RR1 BOX 2068 SIDNEY MT 59270 BOGGIO WELDING & FABRICATION HC49 BOX 3095 RED LODGE MT 59068 BOHRER KELLY 2609 S VAN EPS SIOUX FALLS SD 57105 BOISE CASCADE OFFICE PRODUCTS 2675 S 900 W SALT LAKE CITY UT 84119 BOISE CASCADE OFFICE PRODUCTS INC 55 E GALENA BUTTE MT 59701 BOLAND DRILLING COMPANY 3605 FAIRWAY DR GREAT FALLS MT 59401-2284 BOLLER PRINTING INC 308 DOUGLAS AVE YANKTON SD 57078 BOMGAARS 323 WATER ST SIOUX CITY IA 51103-5021 BON HOMME COUNTY 4 H CLUB Box C TYNDALL SD 57066-0603 BON HOMME COUNTY TREASURER PO Box 5 TYNDALL SD 57066 BON HOMME REGISTER OF DEEDS 300 W CHERRY ST TYNDALL SD 57066 BON HOMME YANKTON ELECTRIC PO Box 158 TABOR SD 57063 Bonanza of Aberdeen Attn Mr Bruce Lieberg 1010 SE 6th Ave Aberdeen SD 57401 BONANZA REPORTING RENO 1111 FOREST St RENO NV 89509 BONES DRY MANUFACTURING PO Box 973 OLTHOL ID 83801-0973 BONES DRY MANUFACTURING PO Box 973 Athol ID 83801-0973 BONNER DEVELOPMENT GROUP INC PO Box 731 MILLTOWN MT 59851 BONNEVILLE ENVIRONMENTAL 133 SW FRONT AVE Ste 410 PORTLAND OR 97204 Bonneville Power Administration Allen L Burns Executive Vice Presiden PO Box 3621 A3 Portland OR 97208 Bonneville Power Administration Attn: KFRO-2 PO Box 3621 Portland OR 97208-3621 Bonneville Power Administration PO Box 491 Vancouver WA 98666 BONNEVILLE POWER ADMINISTRATION PO BOX 491 VANCOUVER WA 98666-0491 BONNEVILLE POWER ADMINISTRATION PO Box 60000 SAN FRANCISCO CA 94160-4038 BONNEVILLE POWER ADMINSTRATION Attn KFRO-2 PO Box 3621 PORTLAND OR 97208-3621 Bonnie L Donnelly dba Interior Plant Design PO Box 4047 Butte MT 59701 Bonnie Lou Owens 404 Woodland Drive 507 Grand Island NE 68801 BONNIE MARSHALL 226 E 23RD ST No2 KEARNEY NE 68847 BONNIE ZEHENTNER 2405 W COLLEGE ST No19 BOZEMAN MT 59718 BONSER CONSTRUCTION PO Box 5 SUN RIVER MT 59483 BOONE KARLBERG TRUST ACCOUNT 201 W MAIN Ste 300 MISSOULA MT 59807 BOONE KARLBERG TRUST ACCOUNT 201 WEST MAIN Ste 300 PO Box 9199 MISSOULA MT 59807 BOOTH DISTRIBUTING 1638 MONTANA ST MISSOULA MT 59801-1408 BORDER STATES ELECTRIC NW 7235 MINNEAPOLIS MN 55485-7235 BORDER STATES ELECTRIC NW 7235 MINNEAPOLIS SD 55485-7235 BORDER STATES ELECTRIC SUPPLY 1401 N MINNESOTA AVE SIOUX FALLS SD 57102 BORDER STATES ELECTRIC SUPPLY ATTN Mary Jo Sieg PO Box 2767 Fargo ND 58108 BORDEWYK PLUMBING HEATING & A/C 155 S MAIN ST CORSICA SD 57328 BOSSELMAN INC PO Box 1567 GRAND ISLAND NE 68802-1567 BOTTLES & SHOTS LIQUOR STORE 247 MAIN St BILLINGS MT 59105 BOTTOM LINE PO Box 58386 BOULDER CO 80322-8386 BOULDER ARROWHEAD LITTLE LEAGUE PO Box 21401 BILLINGS MT 59104-1401 BOULDER CRANE AND PILING PO Box 465 BOULDER MT 59632 BOULDER HYDRO MR LEE TAVENNER 413 EDDY #3 MISSOULA MT 59801 BOULDER LIBRARY 202 S MAIN BOULDER MT 59632 BOULDER TIREBRAKE & ALIGNMENT 315 N MAIN BOULDER MT 59632 BOUMA POST YARDS PO Box 106 CHOTEAU MT 59422 BOWDEN TRACIE 46366 284TH ST DAVIS SD 57021 BOWES CONSTRUCTION INC 2915 22ND AVE S BROOKINGS SD 57006 BOWNE PUBLISHING DIVISION PO Box 6080 NEW YORK NY 10249-6080 BOY SCOUTS OF AMERICA 820 17TH Ave S GREAT FALLS MT 59405 BOYD COFFEE COMPANY PO Box 20547 PORTLAND OR 97294 BOYD G ANDREW 4525 VALLEY Dr HELENA MT 59602 BOYER LANDSCAPE & DESIGN 1903 OGDEN ST ANACONDA MT 59711 Boyne USA Inc One Lone Mountain Trai Big Sky MT 59716 BOYS & GIRLS CLUB PO Box 652 GREAT FALLS MT 59403 BOYS & GIRLS CLUB OF MISSOULA CO 617 S HIGGINS MISSOULA MT 59801 BOYS & GIRLS HOME OF PO Box 1122 NORTH PLATTE NE 69103 BOYS & GIRLS HOME OF KEARNEY 1755 PRAIRIE VIEW PLACE KEARNEY NE 68848-3137 BOZEMAN AREA CHAMBER OF COMMCE 2000 COMMERCE WAY BOZEMAN MT 59715 BOZEMAN BASEBALL 1611 W KOCH Ste 32 BOZEMAN MT 59715 BOZEMAN BASEBALL PO Box 6054 BOZEMAN MT 59771-6054 BOZEMAN BUCKS LEGION BASEBALL PO Box 6429 BOZEMAN MT 59715 Bozeman Daily Chronicle Carol McQuiston PO Box 1190 Bozeman MT 59771 BOZEMAN DAILY CHRONICLE PO Box 1190 BOZEMAN MT 59771-1190 Bozeman Daily Chronicle PO Box 1190 Bozeman MT 59771 BOZEMAN DEACONESS HOSPITAL 915 HIGHLAND Blvd BOZEMAN MT 59715 BOZEMAN FRIENDS OF MUSIC PO Box 536 BOZEMAN MT 59771-0536 BOZEMAN HAWK BOOSTER CLUB PO Box 1865 BOZEMAN MT 59771-1865 Bozeman High School 205 N 11th Bozeman MT 59715 BOZEMAN HOT SPRINGS SPA & FITNESS 81123 GALLATIN RD BOZEMAN MT 59718 BOZEMAN KIWANIS CLUB PO Box 386 BOZEMAN MT 59771-0381 BOZEMAN LABOR TEMPLE PO Box 3311 BOZEMAN MT 59772-3311 Bozeman Plumbing and Heating PO Box 4270 Bozeman MT 59771 BOZEMAN PLUMBING OF LEWISTOWN JOYLAND & REYNOLDS LEWISTOWN MT 59457-0124 BOZEMAN POLICE PROTECTIVE ASSN PO Box 4224 BOZEMAN MT 59772 BOZEMAN SWIM CENTER 1112 W MAIN ST BOZEMAN MT 59715 BOZEMAN SYMPHONY SOCIETY PO Box 1174 BOZEMAN MT 59771-1174

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 17 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Bozeman Urgent Care 1006 W Main Bozeman MT 59715 BP CANADA ENERGY COMPANY LTD 240 4TH Ave SW CALGARY AB T2P 2HB Canada BP CANADA ENERGY MARKETING CORP 2404TH Ave SW CALGARY AB T2T 2H8 Canada BP CANADA ENERGY MARKETING CORP 4211 S 143RD CIRCLE OMAHA NE 68137 BP CANADA ENERGY MARKETING CORP Attn Mr Gary Weihrauch 4211 S 143RD CIRCLE OMAHA NE 68137-4505 BP CANADA ENERGY MARKETING GROUP PO Box 200 CALGARY AB T2P 2H8 Canada BPA SETTLEMENT CREDITS PO Box 6040 PORTLAND OR 97228-6040 BPL ELECTRICAL CONTRACTOR INC PO Box 71 MOORE MT 59464 BPOE LODGE 1046 Elks Club Building NW14 of Sec 11 T123 R64 Aberdeen SD BPW 405 DAKOTA Ave SE HURON SD 57350 BPW/USA PO Box 75278 BALTIMORE MD 21275 BRACCO JOSEPH 120 LOW RR1 BUTTE MT 59701 Brad Cohen Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Brad Cohen Bradley Cohen 7326 Weeping Willow Dr Sarasota FL 34241 BRAD L JESSEN 17558 387TH AVE REDFIELD SD 57469 BRADFORD PUBLISHING SERVICE PO Box 502580 SAN DIEGO CA 92150-2580 BRADLEY AND SUANNE KNUTSON * PO Box 248 MENNO SD 57045 BRADLEY B BEAN PE 1517 N WEBER ST COLORADO SPRINGS CO 80907 Bradley Cohen 7326 Weeping Willow Dr Sarasota FL 34241 BRADLEY O KNUTSON MENNO SD 57045 BRADLEY WALTER A 6105 BAY VALLEY COURT Flower Mound TX 75022 BRADNEY HEATING & COOLING PO Box 157 NORTH PLATTE NE 69103 BRADY HIGH SCHOOL LYNN UTTERBACK BRADY MT 59416 BRANDON A BERT PO Box 7561 MISSOULA MT 59807 BRANDON GOLF COURSE PO Box 95 BRANDON SD 57005-0095 Brandywine Asset Managemen 3 Christina Centre Ste 1200 201 N Walnut S Wilmington DE 19801 BRAUN EUGENE 123 ASPEN LN BUTTE MT 597017502 BRAY JEFF 1209 1 2 W 37TH St SIOUX FALLS SD 57105 BREAKFAST EXCHANGE CLUB 3012 4TH AVE BILLINGS MT 59101 BRECKE SANITATION PO Box 903 ONEILL NE 68763 BREEN OIL AND TIRE COMPANY PO Box 10 CHOTEAU MT 59422 BREEN OIL COMPANY 1201 3RD St N W GREAT FALLS MT 59404 Brenda Abshire 1615 Lakeview Dr Webb City MO 64870 Brenda Abshire The Depository Trust Company 55 Water St 49th Fl New York NY 10041 BRENDA RUBINO 5404 4TH AVE S GREAT FALLS MT 59405 BRENDA SCHUTZ & JOHN C DOUBEK 307 N JACKSON HELENA MT 59624-0326 BRENDA SPOONER 410 LAKE ELMO DR No2 BILLINGS MT 59105 BRENDA TIRREL PO Box 217 VIBORG SD 57070 BRENDAS FLORIST 2125 HARRISON Ave BUTTE MT 59701 BRENNTAG WEST INC 1353 TAYLOR PLACE BILLINGS MT 59101 Brenntag West Inc 1353 Taylor Place Billings MT 59101 BRENNTAG WEST INC FILE 2674 LOS ANGELES CA 90074-2674 BRESNAN COMMUNICATIONS PO Box 5509 HELENA MT 59604-5509 BRESNAN COMMUNICATIONS PO Box 5509 HELENA MT 59604 Bresnan Communications LLC 1 Manhattanville Rd Purchase NY 10577-2100 BRET & JOYCE PEARSON 12030 MARINA LOOP RD WEST YELLOWSTONE MT 59758 BREWSTER BUILDING CENTER PO Box 309 MILBANK SD 57252 Brian J Malecek Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market St 7th Fl Philadelphia PA 19103 BRIAN K HILL 5457 S Parkhill Ave Springfield MO 65810-2502 BRIAN PATRICK 200 S CEDAR TOWNSEND MT 59644 BRIAN STONER 2525 SHATTO DR BELGRADE MT 59714 BRIANS ELECTRIC AND TRENCHING 800 E 11TH ST YANKTON SD 57078 BRICK PROPANE INC 721 S STATE ST ABERDEEN SD 57401 BRICK TRANSPORT 721 SO STATE ST ABERDEEN SD 57401 BRICKS TV & APPLIANCE 2612 S HIGHWAY 281 ABERDEEN SD 57401 BridgeBand Communications Inc 514 S 23rd Ave Bozeman MT 59718 BRIDGER BOWL 15795 BRIDGER CANYON RD BOZEMAN MT 59715 BRIDGER COMMUNICATIONS 516 A BRYANT BOZEMAN MT 59715 BRIDGER GLASS & WINDOWS 7717 SHEDHORN DR BOZEMAN MT 59718 BRIDGER HIGH SCHOOL PO Box 467 BRIDGER MT 59014 BRIDGER MOTOR & EQUIPMENT CO PO Box 563 BRIDGER MT 59014 BRIDGES ELECTRIC PO Box 1197 HEBER SPRINGS AR 72543 BRIDGESTONE/FIRESTONE INC 1199 DAKOTA N HURON SD 57350 BRIDGEWATER CANISTOTA TEL CO PO Box 199 DODGE CITY KS 67801 BRIEN SURVEYING INC 350 BREEZY POINT AVE SOMERS MT 59932 BRIEN SURVEYING INC 350 BREEZY POINT AVE PO Box 160 SOMERS MT 59932 BRIESE GLEN PO BOX 7343 HELENA MT 59604 BRIGGS & MORGAN 2200 FIRST NATL BANK BLDG ST PAUL MN 55101 BRIGGS INC PO Box 2799 OMAHA NE 68103-2799 BRIGITTE RUEHMANN PO Box 1122 DARBY MT 59829 BRITE WAY WINDOW SERVICE PO Box 1523 GRAND ISLAND NE 68802-1523 British Columbia Hydro and Power Authority Yakout Mansour Vice President Grid Opeations 6911 Southpoint Dr Burnaby BC V3N 4X8 Canada BROADAX SYSTEMS INC 17539 ROWLAND St CITY OF INDUSTRY CA 91748 BROADBAND SERVICES INC 1555 ONTARIO ST SAND POINT ID 83864 BROADBAND SERVICES INC 1555 ONTARIO ST SAND POINT ID 83864 Broadband Services Inc 8822 S Ridgeline Blvd 400 Highlands Ranch CO 80129 BROADBAND SERVICES INC Broadband Services Inc 8822 S Ridgeline Blvd 400 Highlands Ranch CO 80129 BROADCAST MUSIC INC (BMI) 10 MUSIC SQUARE E NASHVILLE TN 37203-4399 BROADFOOTS SAND & GRAVEL CO INC 716 2ND AVE S KEARNEY NE 68847 BROADLAND CREEK GOLF COURSE PO Box 1369 HURON SD 57350 BROADVIEW HIGH SCHOOL PO Box 147 BROADVIEW MT 59015 BROADWATER COUNTY TREASURER COURTHOUSE 515 Broadway TOWNSEND MT 59644

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 18 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BROADWATER HIGH SCHOOL 201 N SPRUCE TOWNSEND MT 59644 BROADWATER RODEO ASSOCIATION 78 JACKFARM Rd TOWNSEND MT 59644 BROADWAY GARAGE INC 226 E Broadway BUTTE MT 59701 BROADWAY GARAGE INC 226 EAST BROADWAY BUTTE MT 59701 BROCK EASLEY INC 384 INVERNESS PARKWAY Ste 210 ENGLEWOOD CO 80112 BROCK HODSON PO Box 2260 COLSTRIP MT 59323 BRODOCK LINDA 1804 12TH AVE S GREAT FALLS MT 594054803 BRODSKYS READY MIX 1919 E 4TH STE GRAND ISLAND NE 68801 BRODY CHEMICAL 4825 S 6200 W SALT LAKE CITY UT 84118 BROEN PO Box 100849 BIRMINGHAM AL 35210 BROIN AND ASSOCIATES 2209 E 57TH St N SIOUX FALLS SD BROIN ENTERPRISES INC PO BOX 330 SCOTLAND SD 57059-0330 BROOKINGS AMATEUR BASEBALL 1917 VICTORY ST BROOKINGS SD 57006-3547 BROOKINGS AREA MULTIPLEX INC 824 32ND AVE BROOKINGS SD 57006 BROOKINGS BOBCATS 530 ELM AVE BROOKINGS SD 57006 BROOKINGS CHAMBER OF COMMERCE PO Box 431 BROOKINGS SD 57006 BROOKINGS CITY LANDFILL PO Box 270 BROOKINGS SD 57006 BROOKINGS CITY STREET DEPT 125 7TH AVE BROOKINGS SD 57006 BROOKINGS COUNTRY CLUB PO Box 501 BROOKINGS SD 57006 BROOKINGS COUNTY CLERK OF COURTS 314 6TH AVEE BROOKINGS SD 57006

BROOKINGS COUNTY RED CROSS CHAPTER 217 4TH ST BROOKINGS SD 57006 BROOKINGS COUNTY REGIS OF DEED 314 6TH AVE BROOKINGS SD 57006 BROOKINGS COUNTY TREASURER 314 6TH AVE BROOKINGS SD 57006-2086 BROOKINGS COUNTYTREASURER 314 6TH AVE BROOKINGS SD 570062086 BROOKINGS ENGRAVING 306 MAIN AVE BROOKINGS SD 57006 BROOKINGS EQUIPMENT CO INC 3024 HIGHWAY 14 BYPASS BROOKINGS SD 57006 BROOKINGS FOUNDATION 221 MAIN AVE BROOKINGS SD 57006 BROOKINGS HIGH SCHOOL POST PROM PO Box 652 BROOKINGS SD 57006 BROOKINGS HOLIDAY INN 2500 6TH St BROKKINGS SD BROOKINGS HOSPITAL 300 22ND AVE BROOKINGS SD 57006-2496 BROOKINGS HOSPITAL 300 22ND AVE BROOKINGS SD 57006-2424 BROOKINGS HOSPITAL 30022ND Ave BROOKINGS SD BROOKINGS HOSPITAL 400 22ND AVE BROOKINGS SD 57006-2497 BROOKINGS INN PO Box 557 BROOKINGS SD 57006 BROOKINGS MEDICAL CLINIC 400 22ND AVE BROOKINGS SD 57006-2497 BROOKINGS MUNICIPAL UTILITIES PO Box 588 BROOKINGS SD 57006-0588 BROOKINGS OPTIMIST CLUB PO Box 836 BROOKINGS SD 57006 BROOKINGS PUBLIC SCHOOL MIDDLE SCHOOL 601 4TH ST BROOKINGS SD 57006 BROOKINGS PUBLIC SCHOOLS Attn David Peterson 2130 8th St Brookings SD 57006 BROOKINGS SCHOOLS 2130 8TH ST S BROOKINGS SD 57006-3507 BROOKS MANUFACTURING COMPANY PO Box 7 BELLINGHAM WA 98227-0007 BROTHERS APPLIANCE SERVICE 2315 CENTER Dr BUTTE MT 59702 BROUGHTON KEVIN 2724 Oshaughnessy St A Missoula MT 59808-1351 BROWN & SAENGER 711 W RUSSELL SIOUX FALLS SD 57118-4040 BROWN CLINIC PAYMENT PROCESSING CENTER CINCINNATI OH 45274-2518 BROWN CONTRACTING INC 105 MANDOLYNNE LN SHERIDAN MT 59749 Brown County 100 SE First Ave Aberdeen SD 57401 BROWN COUNTY CLERK OF COURTS 100 1ST AVE ABERDEEN SD 57401 BROWN COUNTY COMMUNITY HEALTH 402 S MAIN ST ABERDEEN SD 57401 Brown County Court House Attn Dennis Feickert Aberdeen SD 57401 BROWN COUNTY FAIR 25 MARKET ST ABERDEEN SD 57350-9999 BROWN COUNTY FAIRGROUND 25 MARKET ST ABERDEEN SD 57401-4227 Brown County Highway Departmen 3133 NE 8th Ave Aberdeen SD 57401 BROWN COUNTY LANDFILL PO Box 2137 ABERDEEN SD 57402-2137 BROWN COUNTY REGISTER OF DEEDS PO Box 1307 ABERDEEN SD 57402-1307 BROWN COUNTY TREASURER 25 MARKET ST ABERDEEN SD 57401 BROWN LAW FIRM P C 315 N 24TH St BILLINGS MT 59103-0849 BROWN TRANSFER CO PO Box 158 KEARNEY NE 68848-0158 BROWNIE TROOP #6287 867 IOWA AVE SE HURON SD 57350 BROWNING CONSOLIDATED UTILITY PO Box 469 BROWNING MT 59417 BROWNING FERRIS INDUSTRIES 1501 ROGERS MISSOULA MT 59807-8449 BROWNING FERRIS INDUSTRIES PO Box 79019 PHOENIX AZ 85062-9019 BROWNING FERRIS INDUSTRIES BILLINGS PO Box 78940 PHOENIX AZ 85062-8940 BROWNING FERRIS INDUSTRIES MISSOULA PO Box 78938 PHOENIX AZ 85062-8938 BROWNING KALECZYC BERRY & HOVEN PO Box 1697 HELENA MT 59624 BROWNS SEPTIC SERVICE 26 BILLMAN LANE LIVINGSTON MT 59047 BRUCE D MIKESELL MD 601 W SPRUCE MISSOULA MT 59802 Bruce I Smith Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 San Francisco CA 94111-2562 BRUCE I SMITH LUEBS LEININGER SMITH GRAND ISLAND NE 68802 Bruce I Smith Latham & Watkins LLP Steven Sorell 633 W Fifth St Ste 4000 Los Angeles CA 90071 BRUCE SEED FARM 91 LOWER DEEP CREEK TOWNSEND MT 59644 Bruce Smith Latham & Watkins LLP Attn Paul H Dawes Esq 135 Commonwealth Dr Menlo Park CA 94025 BRUCE SUNDING 4291 DAKOTA AVE S HURON SD 57350 BRULE COUNTY REGISTER OF DEEDS 300 S COURTLAND STE 103 CHAMBERLAIN SD 57325 BRULE COUNTY TREASURER PO BOX 217 CHAMBERLAIN SD 57325 BRULTECH RESEARCH 12L67 HARBOURVIEW Rd PORT COLBORNE ON L3K 5V4 Canada BRUSATI KATHY 508 41ST ST N GREAT FALLS MT 59405 Bryan Cave LLP Attn Walter H Curchack Esq 1290 Avenue of the Americas New York NY 10104-3300 BRYAN CAVE LLP One Metropolitan Square 211 North Broadway Ste 3600 St Louis MO 63102-2750 BRYAN HISEL PO Box 1087 MITCHELL SD 57301

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 19 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BRYANT BASEBALL ASSOCIATION PO Box 215 BRYANT SD 57221 BRYANT COMM CLUB PO Box 45 BRYANT SD 57221 BRYANT LOUNGE 100 MAIN BRYANT SD 57221 BS CUSTOM SIGNS 720 S WILLIAMS AVE SIOUX FALLS SD 57104 BS&B BAY No7 18044TH St NISKU AB T9E 7T8 Canada BSB METRO SEWER & HUNTER BROTHERS 800 CENTENNIAL Ave BUTTE MT 59701 BSW INC 207 S MONTANA ST BUTTE MT 59701 BTMMT HAMPTON INN 3499 HARRISON Ave BUTTE MT 59701 BTU/DTN 65 MECHANIC ST STE 206 RED BANK NJ 07701 BUBS SERVICE 325 S EGAN AVE MADISON SD 57042 BUCK CONSULTANTS INC DEPT CH 14061 PALATINE IL 60055-4061 BUCKHORN BAR Box D AUGUSTA MT 59410 BUCKINGHAM ROSS 620 3RD ST SE CUT BANK MT 59427 BUD BARTA RT 2 BOX 2241 LEWISTOWN MT 59457 BUD BOB CO PO Box 29 BOULDER MT 59632-0029 BUDAHL CONSTRUCTION LLC 602 HWY 22 CLEAR LAKE SD 57226-0517 BUDGET RENT A CAR 2801 JAYCEE LANE SIOUX FALLS SD 57104 BUDGET RENT A CAR 2801 JAYCEE Ln SIOUX FALLS SD 57104 Budget Rent a Car Corporation 4225 Naperville Rd Lisle IL 60532 BUDS CLEAN UP SERVICE 22925 455TH AVE MADISON SD 57042-6402 BUDS LAWN SERVICE 2806 W 4TH ST NORTH PLATTE NE 69101 BUDS SEAT EXCHANGE 3803 COULSON RD BILLINGS MT 59101-7428 BUFFALO CONSTRUCTION 6060 SUTCHMAN LANE STE 3000 LOUISVILLE KY 40205 BUFFALO COUNTY AG ASSOCIATION 3807 AVE N KEARNEY NE 68848-0074 BUFFALO COUNTY REGISTER OF DEEDS PO Box 1270 KEARNEY NE 68848 Buffalo County Register of Deeds PO Box 1270 Kearney NE 68848-1270 BUFFALO COUNTY SHERIFFS PO Box 1270 KEARNEY NE 68848 BUFFALO COUNTY TREASURER PO Box 1270 KEARNEY NE 688481270 BUFFALO COUNTY TREASURER PO Box 1270 KEARNEY NE 68848-1270 BUFFALO SURVEYING CORPORATION 1430 CENTRAL AVE KEARNEY NE 68848 BUHLS 320 W DAKOTA PIERRE SD 57501 BUHLS RUG RENTALS AND LAUNDRY PO Box 8035 BROOKINGS SD 57006 BUILDING CODES BUREAU PO Box 200517 HELENA MT 59620-0517 BULLDOG MAROON GOLF CHALLENGE 191 FOXTAIL LANE BUTTE MT 59701 BURDICK BROTHERS INC 1414 E 7TH AVE REDFIELD SD 57469 BURDICKS LOCKSMITH & SHRPNG 816 N LAST CHANCE GULCH HELENA MT 59601-3351 BUREAU OF NATIONAL AFFAIRS INC PO Box 64543 BALTIMORE MD 21264-4523 BURGER KING #2463 1825 6TH ST BROOKINGS SD BURGESS MANNING INC 227 THORN Ave ORCHARD PARK NY 14127 BURK EXCAVATION 261 MILL CR RD SHERIDAN MT 59749 BURLINGTON LITTLE LEAGUE PO Box 21283 BILLINGS MT 59104 BURLINGTON NORTHERN & SANTA FE 5650 NO RIVERSIDE DR Ste 101 FORT WORTH TX 76137 BURLINGTON NORTHERN & SANTA FE RAILWAY COMPANY FORT WORTH TX 76161 Burlington Northern and Santa Fe Railway Company BNSF 5650 NO RIVERSIDE DR Ste 101 FORT WORTH TX 76137 Burlington Northern and Santa Fe Railway Company BNSF PO Box 30054 COLLEGE STATION TX 77842-3054 Burlington Northern and Santa Fe Railway Company BNSF RAILWAY COMPANY PO Box 961050 FORT WORTH TX 76161 BURLINGTON NORTHERN RAILROAD 176 E 5TH St Ste 250 ST PAUL MN BURLINGTON NORTHERN RAILROAD COMPANY 2500 Lou Menk Dr FORT WORTH TX 76131-2828 Burlinton Northern Rail Road 1 N Main St Aberdeen SD 57401 Burlinton Northern Rail Road 80 44th Ave NE Friley MN 55421 Burlinton Northern Rail Road IPC RESBU 44743 PO Box 7777 Havre MT 59501-7777 BURMEISTER ELECTRIC COMPANY 3776 West Broadway Minneapolis MN 55422 BURMEISTER ELECTRIC COMPANY 3776 West Broadway Minneapolis MN 55422 BURMEISTER ELECTRIC COMPANY PO Box 1414 MINNEAPOLIS MN 55480-1414 BURNISON PLUMBING HEATING & 49 2ND ST SE HURON SD 57350 BURNS INTL SECURITY SERVICES No18 SIXTH St N STE 26B GREAT FALLS MT 59401-3148 BURSAR UNIVERSITY OF IDAHO UNIVERSITY OF IDAHO MOSCOW ID 83844-3227 BURSAR UNIVERSITY OF IDAHO YVONNE SERTICH PUEC MOSCOW ID 83844-3227 BURTON BOB 555 W MADISON 3212 CHICAGO IL 60661 BURTON CONSTRUCTION 3915 E NEBRASKA AVE SPOKANE WA 99217-6641 BUSCHS LAWN CARE 662 IDAHO NE HURON SD 57350 BUSEMAN JOE RR 1 BOX 100 CANISTOTA SD 57012-9999 BUSEMAN LAWRENCE RR 1 BOX 97 CANISTOTA SD 57012-9999 BUSEMAN LELAND RR 1 BOX 93 CANISTOTA SD 57012-9999 BUSEMAN RAY RR1 BOX 100 CANISTOTA SD 57012-9999 BUSINESS & LEGAL REPORTS INC 141 MILL ROCK Rd E OLD SAYBROOK CT 06475 BUSINESS 20 PO Box 63400 TAMPA FL 33663-3400 BUSINESS AVIATION 3501 AVIATION AVE SIOUX FALLS SD 57104-0197 BUSINESS LAWS INC 11630 CHILLICOTHE Rd CHESTERLAND OH 44026 BUSINESS PRODUCTS INC PO Box 1127 MITCHELL SD 57301 BUSINESS SYSTEMS INC 42 GRANT RD E DAWSONVILLE GA 30534 BUSINESS WEEK PO Box 53233 BOULDER CO 80322-3233 BUSINESS WEEK PO Box 53235 BOULDER CO 80322-3235 Butler Machinery Company 4950 E Hwy 12 Aberdeen SD 57401 BUTLER MACHINERY COMPANY PO Box 9559 FARGO ND 58106-9559 BUTLER TRAILER MFG CO INC 259 HOCKETT DAIRY RD RANDLEMAN NC 27317 Butler Wick & Company Inc c o ADP BUTTE AMATEUR HOCKEY ASSOCIATION PO Box 3934 BUTTE MT 59702

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 20 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country BUTTE AMATUER HOCKEY ASSOCIATION PO Box 3934 BUTTE MT 59701-3934 BUTTE ATHLETIC COUNCIL 1303 CALEDONIA BUTTE MT 59701 BUTTE AVIATION INC 4602 HARRISON AVE BUTTE MT 59701 Butte Aviation Inc 4602 HARRISON AVE BUTTE MT 59701-6965 BUTTE BOBCAT GRIZZLY GOLF 2802 WHITE BLVD BUTTE MT 59701 BUTTE CATHOLIC EDUCATION FUND 9 S IDAHO BUTTE MT 59703 BUTTE CENTER FOR THE PERFORMING 316 W PARK BUTTE MT 59703-0522 BUTTE CENTRAL CATHOLIC EDUCATION 9 S IDAHO BUTTE MT 59701 BUTTE CENTRAL CATHOLIC HIGH SCHOOL 9 S IDAHO St BUTTE MT 59701 BUTTE CENTRAL CATHOLIC SCHOOL PO Box 634 BUTTE MT 59703-0634 BUTTE CENTRAL CENTURY CLUB 9 S IDAHO BUTTE MT 59701 BUTTE CENTRAL HIGH SCHOOL 9 S IDAHO ST BUTTE MT 59701 BUTTE CHAMBER OF COMMERCE 1000 GEORGE ST BUTTE MT 59701 BUTTE CHAPTER MONTANA CPAS PO Box 301 BUTTE MT 59701 BUTTE COUNTRY CLUB 3400 ELIZABETH WARREN BUTTE MT 59701 BUTTE ELKS LODGE NO 240 MONTANA & GALENA BUTTE MT 59701 BUTTE EMERGENCY FOOD BANK 605 E ALUMINUM BUTTE MT 59701 BUTTE FAMILY YMCA 405 W PARK St BUTTE MT 59701 BUTTE FIGURE SKATING CLUB PO Box 3313 BUTTE MT 59701 BUTTE FLORAL COMPANY 1101 UTAH AVE BUTTE MT 59701 BUTTE FOOD BANK PO Box 54 BUTTE MT 59703 BUTTE HIGH PURPLE BS BUTTE HIGH SCHOOL BUTTE MT 59701 BUTTE HIGH SCHOOL 401 S WYOMING BUTTE MT 59701 BUTTE JEWELERS & SHARPENERS 53 W Broadway BUTTE MT 59701 BUTTE JEWELERS & SHARPENERS 53 WEST BROADWAY BUTTE MT 59701 BUTTE JSEC 2201 WHITE BLVD BUTTE MT 59701 BUTTE LOCAL DEVELOPMENT CORP 305 W MERCURY BUTTE MT 59701 Butte Machinists Local Union No 88 District Lodge No 86 Virginia Ginger Winston Business Representative 156 W Granite St Butte MT 59701 BUTTE PRODUCE COMPANY 605 UTAH Ave BUTTE MT 59701 BUTTE PUBLIC SCHOOLS 3000 CONTINENTAL Dr BUTTE MT 59701 BUTTE ROTARY CLUB PO Box 3014 BUTTE MT 59702 BUTTE SCHOOL DISTRICT # 1 111 N MONTANA ST BUTTE MT 59701-9295 BUTTE SCHOOL DISTRICT #1 111 N MONTANA ST BUTTE MT 59701 BUTTE SERVICES INC PO Box 846 THOMPSON FALLS MT 59873 BUTTE SILVER BOW 155 W GRANITE ST BUTTE MT 59701 BUTTE SILVER BOW BAR ASSN PO Box 172 BUTTE MT 59703 BUTTE SILVER BOW BUILDING CODE ENFORCEMENT DEPARTMENT BUTTE MT 59701 BUTTE SILVER BOW CHAMBER OF 100 GEORGE ST BUTTE MT 59701 BUTTE SILVER BOW CHEMICAL 25 W FRONT St BUTTE MT 59701 BUTTE SILVER BOW CHMBR OF CMCE 1000 GEORGE St BUTTE MT 59701 BUTTE SILVER BOW CIVIC CENTER 1340 HARRISON Ave BUTTE MT 59701 BUTTE SILVER BOW COUNTY FAIR BOARD 126 W GRANITE BUTTE MT 59701 BUTTE SILVER BOW CRIMESTOPPERS PO Box 161 BUTTE MT 59701 BUTTE SILVER BOW DEPT PO Box 667 BUTTE MT 59701 BUTTE SILVER BOW HEALTH DEPT 25 W FRONT St BUTTE MT 59701 BUTTE SILVER BOW HUNTERS EDUCATION 1461 LONGFELLOW BUTTE MT 59701 BUTTE SILVER BOW KIWANIS PO Box 4296 BUTTE MT 59702-4296 BUTTE SILVER BOW LANDFILL PO Box 611 BUTTE MT 59701 BUTTE SILVER BOW PARKING COMMN 155 W GRANITE BUTTE MT 59701 BUTTE SILVER BOW SHERIFFS OFFICE 120 S IDAHO BUTTE MT 59701 BUTTE SILVER BOW TREASURER 155 W GRANITE ST BUTTE MT 59703-0611 BUTTE SILVER BOW TREASURER COURTHOUSE BUTTE MT 59701 BUTTE SOCCER CLUB 1953 S WARREN AVE BUTTE MT 59701 BUTTE SPECIAL RIDERS 1179 BEACON Rd BUTTE MT 59701 BUTTE SPORTS FOUNDATION 1340 HARRISON Ave BUTTE MT 59701 BUTTE SYMPHONY 18 W GALENA BUTTE MT 59701 BUTTE SYMPHONY CHORALE PO Box 725 BUTTE MT 59703-0725 BUTTE TARPONS SWIM TEAM PO Box 3583 BUTTE MT 59702 BUTTE TEAMSTERS UNION LOCAL NO 2 ATTN RON YGNATOWIZ BUSINESS REPRESENTATIVE PO BOX 3745 BUTTE MT 59702 Butte Tin Shop 28 W Galena Butte MT 59701 Butte Tin Shop Inc 28 E Galena Butte MT 59701 BUTTE TIN SHOP INC 28 E GALENA St BUTTE MT 59701-1704 BUTTE UPTOWN ASSOCIATION PO Box 39 BUTTE MT 59703-0039 BUTTE WOMENS BOWLING ASSOCIATION 1916 DEWEY BLVD BUTTE MT 59701 BUTTERCUP ASSOCIATION 509 RAYMOND HELENA MT 59601 BUTTESILVER BOW COUNTY FAIR BOARD 126 WEST GRANITE BUTTE MT 59701 BYRE BROTHERS INC PO Box 601 CHAMBERLAIN SD 57325-0601 BYRON DINGMAN 8645 LOOKFAR AWAY BOZEMAN MT 59715 C & C HAULING 2300 WILLOWDOVE YANKTON SD 57078 C & D TECHNOLOGIES INC 3869 COLLECTIONS CENTER Dr CHICAGO IL 60693 C & D TECHNOLOGIES INC 811 WEST 1700 S SALT LAKE CITY UT 84125 C & H ENGINEERING & SURVEYING INC 205 EDELWEISS Dr BOZEMAN MT 59718-3929 C & H INVESTMENTS LLC 101 S MAIN SIOUX FALLS SD 57102 C & M FORWARDING CO INC 45 JETVIEW Dr ROCHESTER NY 14624 C 2 NUTRITION SERVICE INC PO Box 1211 BILLINGS MT 59103-0330 C Brewer Inc PO Box 294 Roundup MT 59072-0294 C E SUNDBERG CO 14105 13TH AVE N PLYMOUTH MN 55441 C EMERY NELSON INC 7631 COMMERCE ST HAMEL MN 55340 C LEE COOK PO Box 22301 DENVER CO 80222 C M RUSSELL HIGH SCHOOL 228 17TH Ave NW GREAT FALLS MT 59405

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 21 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country C MOR REAL ESTATE INC PO Box 947 RED LODGE MT 59068 C PAUL LOEHNEN MD PO Box 7706 MISSOULA MT 59807 C R SOLUTIONS INC 1717 S BLACK No57 BOZEMAN MT 59715 C TS THE SHOP 637 ILLINOIS NW HURON SD 57350 C&H BUE CONSTRUCTION INC PO Box 21 REEDPOINT MT 59069 C&H DISTRIBUTORS INC 770 S 70TH ST MILWAUKEE WI 53214 C&H Engineering and Surveying Inc 205 Edelweiss Dr Bozeman MT 59718-3929 C&H FARMS 2789 LE HOMME DIEU HTS NE ALEXANDRIA MN 56308-7983 CABALLO ROJO INC 505 S GILLETTE Ave CALLER BOX 3009 GILLETTE WY 82717 CABELAS MITCHELL 601 CABELA DR MITCHELL SD 57301 Cable and Communication Corporation PO Box 280 Circle MT 59215 Cable Montana LLC a subsidiary of USA Companies LLC 2605 Second Ave Ste A PO Box 1057 Keaney NE 68848-1057 Cable TV Associates Inc Mr Terry Thomas Box 111 Redfield SD 57469 CABLE WEST ADVERTISING 809 CENTRAL AVE KEARNEY NE 68848-1448 CABLEXPRESS CORPORATION PO Box 4799 SYRACUSE NY 13221-4799 CADD TECHNOLOGIES 320 N 5TH ST FARGO ND 58102 CADWELL CONSTRUCTION PO Box 342 LEXINGTON NE 68850 CADWELL SANFORD DEIBERT & GARY PO Box 1157 SIOUX FALLS SD 57101 CAIRD STEEL FABRICATION INC 1200 BOULDER AVE HELENA MT 59601-3567 CAL ROBINSON 311 N BAILEY NORTH PLATTE NE 69103-1539 CAL ROBINSON 311 N BALLEY NORTH PLATTE NE 69103-1539 CALDWELL GRETCHEN 9102 RIGGS Ln APT C OVERLAND PARK KS 662120000 CALFEE HALTER & GRISWOLD LLP 800 SUPERIOR Ave CLEVELAND OH 44114-2688 CALIFORNIA DIVISION OF COLLECTIONS PO Box 942850 SACRAMENTO CA 94250-5873 CALIFORNIA FRANCHISE TAX BOARD PO Box 942857 SACRAMENTO CA 94257-0551 CALIFORNIA SECRETARY OF STATE PO Box 944230 SACREMENTO CA 94244-2300 CALIPER CALIPER Management 506 Carnegie Ctr Ste 300 PRINCETON NJ 08540-6243 CALLAWAYS KITCHEN 121 S MAIN SIOUX FALLS SD 57104 Calvin Vaudrey PO Box 1662 Litchfield Park AZ 85340 CAMBRIDGE ENERGY RESEARCH ASSOCIATES INC CAMBRIDGE MA 02138 CAMBRIDGE ENERGY RESEARCH ASSOC 55 CAMBRIDGE PKWY CAMBRIDGE MA 02142-1234 CAMBRIDGE ENERGY RESEARCH ASSOCIATES 55 CAMBRIDGE PKWY CAMBRIDGE MA 02142-1234 Cambridge Energy Research Cambridge Energy Research Associates Inc Associates Inc Cera 55 Cambridge Pkwy Cambridge MA 02142 CAMERON MACFARLANE 1911 11TH Ave N BILLINGS MT 59101 CAMP MAKE A DREAM PO Box 1450 MISSOULA MT 59806 CAMP WELL DRILLING AND PUMP SUPPLY 1522 SE 14TH St MISSOULA MT 59801 CAMPBELL GEORGE & STRONG LLP 4265 SAN FELIPE Ste 700 HOUSTON TX 77027 CAMPBELL SEVEY INC 15350 MINNETONKA BLVD MINNETONKA MN 55345 CAMPBELL SUPPLY PO Box 1464 SIOUX FALLS SD 57101 CAMPFIRE BOYS & GIRLS 1925 2ND Ave S GREAT FALLS MT 59405 CAMPUS CHRISTIAN CENTER 714 S 8TH AVE BOZEMAN MT 59715 CANADIAN ENERDATA LTD 100 ALLSTATE PARKWAY Ste 304 MARKHAM ON L3R 6H3 Canada CANADIAN METER COMPANY INC 275 INDUSTRIAL Rd CAMBRIDGE ON N3H 4R7 Canada CANADIAN NATURAL 855 2 St SW Ste 2500 CALGARY AB T2P 4J8 Canada CANADIAN NATURAL RESOURCES LTD 2500 855 2ND ST SW CALGARY AB T2P 4J8 Canada CANDY BOUQUET 829 S DAKOTA AVE STE 100 SIOUX FALLS SD 57104 CANFIELD BUSINESS INTERIORS 402 W 9TH ST SIOUX FALLS SD 57104 CANISTOTA GOOD SAMARITAN CT 700 WEST MAIN ST CANISTOTA SD 57012 CANISTOTA PUBLIC SCHOOL 431 4TH AVE CANISTOTA SD 57012 CANISTOTA PUBLIC SCHOOL BOX 8 CANISTOTA SD 57012 CANNAT ENERGY INC 855 2 St SW Ste 2500 CALGARY AB T2P 4J8 Canada CANYON CONSULTING SERVICES 3015 NETTIE St BUTTE MT 59701 Canyon Consulting Services LLC 3015 Nettie St Butte MT 59701 CANYON CREEK VOLUNTEER FIRE DEPT PO Box 464 CANYON CREEK MT 59633 CANYON SERVICE PO Box 38 WOLF CREEK MT 59648 CAP PAVING INC PO Box 978 EAST HELENA MT 59635 CAPITAL FENCE PO Box 5296 HELENA MT 59604 CAPITAL HIGH SCHOOL 100 VALLEY DR HELENA MT 59601 CAPITAL ONE CENTER PO Box 919 HELENA MT 59624-0919 CAPITAL ONE CENTER PO Box 919 HELENA MT 59624 CAPITAL SEPTIC SERVICE 730 HIGHWAY 282 CLANCY MT 59634 CAPITOL CENTENNIAL COMMITTEE PO Box 1596 HELENA MT 59624 CAPPELLO CAPITAL CORP 100 WILSHIRE BLVD STE 1200 SANTA MONICA CA 90401 CAPRI INC 516 FULLER Ave HELENA MT 59624 CAPRI INC 516 FULLER Ave HELENA MT 59601 CAR WASH GUYS OF BOZEMAN 4555 SHANDALYN LANE BOZEMAN MT 59718 CAR WASH GUYS OF BOZEMAN 4555 SHANDALYN Ln BOZEMAN MT 59718 CARA DENNEHY 49 E LA PLATTE St BUTTE MT 59701 CARAS NURSERY & LANDSCAPE INC 2727 S THIRD St W MISSOULA MT 59801 CARBON COUNTY CLERK & RECORDER PO Box 887 RED LODGE MT 59068 CARBON COUNTY NEWS PO Box 970 RED LODGE MT 59068 CARBON COUNTY TREASURER COURTHOUSE RED LODGE MT 59068 CARBON COUNTY TREASURER PO Box 828 RED LODGE MT 59068 CareWise Inc 701 Fifth Ave 26th F Seattle WA 98104 CAREY PO Box 631414 BALTIMORE MD 21263-1414 CARGILL INC PO BOX 308 SCOTLAND SD 57059-0308 Cargill Inc 2 Dryer 1610 6th Ave SW Aberdeen SD 57401 CARGO PROTECTORS INC 2501 WAYZATA Blvd MINNEAPOLIS MN 55405 Carisch Helicopters Inc 897 Cobb Hill Rd Bozeman MT 59718

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 22 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CARL B FIELD PO Box 580 CHOTEAU MT 59422 CARL LEHRKIND III c o Ronald Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 E 8th St Ste 200 Wilmington DE 19801 CARL LEHRKIND III Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Carl W Burrows III 20 Morning Beach Dr Bellingham WA 98229-4854 Carl W Burrows III The Depository Trust Company 55 Water St 49th Fl New York NY 10041 CARLSON WIRELESS TECHNOLOGIES INC 1180 B EVERGREEN RD REDWAY CA 95560 CARLSONS NORTHSIDE SERVICE 320 DAKOTA N HURON SD 57350 CARLTON R LARSON 3610 HIGHWAY 87 E BILLINGS MT 59101 CARLYLES PO Box 1292 ANACONDA MT 59711 CARMIKE CINEMAS INC PO Box 80245 BILLINGS MT 59108-0245 CAROL J KLEIN 5293 COURTNEY PLACE COLUMBUS OH 43235 CAROL KEATING 5217 S GLENVIEW RD SIOUX FALLS SD 57108-4719 Carol Lutes 7 Prairie Run Livingston MT 59047 CAROL MARKWALD PO Box 362 BUTTE MT 59701 Carol Martin 23 Tulsa St Springfield MA 01118-2240 Carol Martin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 CAROL OLDHAM 6100 BUCKBOARD LANE GREAT FALLS MT 59404 Carole S Barnard 1 Cross Street Stonington CT 06378 CAROLINA MOLDINGS INC PO Box 35273 CHARLOTTE NC 28235 CARPET SOLUTIONS INC PO Box 150219 CAPE CORAL FL 33915 CARRASCO ONEIDA 1515 W JOHN GRAND ISLAND NE 68801 CARROLL COLLEGE 1601 N BENTON AVE HELENA MT 59601-2812 CARROLL COLLEGE FOUNDATION 1601 N BENTON Ave HELENA MT 59625 CARROLL JOSEPH 27 SUNRISE DILLON MT 597253417 CARSONITE INTERNATIONAL CORP 605 BOB GIFFORD BLVD EARLY BRANCH SC 29916 CARTER LEDYARD & MILBURN 2 WALL St NEW YORK NY 10005 CARTER VOLUNTEER FIRE DEPT PO Box 589 CARTER MT 59403 CARY DUNCAN PLS 6062 WILLOW CREEK Rd HELENA MT 59601 CASA ADVOCATES FOR KIDS 21 N LAST CHANCE GULCH Ste 102 HELENA MT 59601 CASCADE COUNTY CLERK & RECORDER PO Box 2867 GREAT FALLS MT 59403 CASCADE COUNTY FLOODPLAIN ADMIN 415 THIRD St NW GREAT FALLS MT 59404 CASCADE COUNTY HISTORICAL SOCIETY 422 2ND St S GREAT FALLS MT 59405-1816 CASCADE COUNTY PLANNING BOARD 415 3RD St NW GREAT FALLS MT 59404 CASCADE COUNTY SHERIFFS ASSOC PO Box 6735 GREAT FALLS MT 59406 CASCADE COUNTY SURVEYOR 415 3RD ST NW GREAT FALLS MT 59404-4195 CASCADE COUNTY TREASURER 121 4TH St N STE 1B1 GREAT FALLS MT 59403 CASCADE COUNTY TREASURER 121 4TH STREET NORTH STE 1B1 GREAT FALLS MT 59403 CASCADE COURIER PO Box 308 CASCADE MT 59421 CASCADE ELECTRIC COMPANY INC 903 TENTH Ave N GREAT FALLS MT 59403-2909 Cascade Electric Company Inc PO Box 2909 Great Falls MT 59403 CASCADE FALLS FLORAL 309 S CHICAGO HOT SPRINGS SD 57747 Cascade High Schoo PO Box 529 Cascade MT 59421-0529 CASCADE WHOLESALE MEATS 2400 9TH AVE NO GREAT FALLS MT 59401 CASEYS STUMP REMOVAL 1606 ADAMS BLVD GREAT FALLS MT 59404 Cashman Nursery 2055 Spring Hill Rd Bozeman MT 59771 CASHMAN NURSERY PO Box 1242 BOZEMAN MT 59719-0242 CASINO CREEK CONCRETE PO Box 3501 LEWISTOWN MT 59457-3501 CASINO EXPRESS 39230 138TH ST ABERDEEN SD 57401-8559 CASNER & EDWARDS LLP 303 CONGRESS St BOSTON MA 02210 CASPER STAR TRIBUNE PO Box 80 CASPER WY 82602 Cass Clay Creamery A G GUS Wack Aberdeen SD CASSO CORPORATION 1330 N WASHINGTON St SPOKANE WA 99201 CASSO CORPORATION 1330 N WASHINGTON Ste 3550 SPOKANE WA 99201 CASSO CORPORATION 1330 NORTH WASHINGTON Ste 3550 SPOKANE WA 99201 CASSO CORPORATION PO Box 14498 Spokane WA 99214 CASTELLE 32553 SCOTT BLVDD SANTA CLARA CA 95054 Castlewood Public School 281 PO Box 98 Castlewood SD 57223-0098 CASUAL TO CAVIAR CATERING INC PO Box 305 MISSOULA MT 59806 CATALYTIC HEATER CO PO Box 188 TERRELL TX 75160 CATCHPOLE TRUCKING 4312 PHILLIP ST BILLINGS MT 59101 CATERPILLAR FINANCIAL SERVICES CORPORATION Attn Legal Department 2120 WEST END AVE NASHVILLE TN 37203 CATERPILLAR FINANCIAL SERVICES INC Attn Legal Department 2120 West End Ave NASHVILLE TN 37203 CATERPILLAR FINANCIAL SERVICES INC PO Box 100647 PASADENA CA 91189-0647 CATEY CONTROLS INC 535 MOORE LANE BILLINGS MT 59101-4624 Catherine M Hoff 1340 Scott Avenue Winnetka IL 60093 Catherine M Hoff The Depository Trust Company 55 Water St 49th Fl New York NY 10041 CATHOLIC FOUNDATION FOR EASTERN SD 523 N DULUTH Ave SIOUX FALLS SD 57104 CATHOLIC SOCIAL SERVICES OF MT PO Box 907 HELENA MT 59624-0907 CATHY WARD 40 HOMESTEAD ESTATES CLANCY MT 59634-9661 CATTLEMENS CUT 66 WAGON LANE GREAT FALLS MT 59404 CAVALIER INDUSTRIAL SPECIALITIES 1493 LONDON BRIDGE Rd VIRGINIA BEACH VA 23453 CBB COLLECTIONS INC 200 N 34TH St BILLINGS MT 59101-1213 CBB COLLECTIONS INC 200 NORTH 34TH St PO Box 31213 BILLINGS MT 59101-1213 CBCS PO Box 1403 SIOUX FALLS SD 57106 CBK SERVICES PO Box 940 KALISPELL MT 59903 CBM Collections Inc fka CREDIT BUREAU OF MISSOULA INC 416 RYMAN PO Box 7429 MISSOULA MT 59807-7429 CBO COLLECTIONS INC 214 E MENDENHALL PO Box 696 BOZEMAN MT 59771 CBO COLLECTIONS INC 2413 W MAIN ST STE 1 BOZEMAN MT 59718-3807 CBS REALTY PO Box 364 NORTH PLATTE NE 69103-0364

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 23 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CBU Collections Inc fka CREDIT BUREAU OF BUTTE INC 7 EAST GRANITE PO Box 3705 BUTTE MT 59702-3705 CCALLCOM INC 60 SPEAR ST FL 3 SAN FRANCISCO CA 94105-1506 CCBNCOM INC PO Box 826132 PHILADELPHIA PA 19182-6132 CCD 1200 NETWORK CENTRE DR EFFINGHAM IL 62401-4602 CCH INCORPORATED PO Box 4307 CAROL STREAM IL 60197-4307 CCI TRANSPORT & CRANE INC 2050 W 65TH St IDAHO FALLS ID 83405-2237 CDW COMPUTER CENTERS INC 200 N MILWAUKEE AVE VERNON HILLS IL 60061 CDW Corporation Attn Vida Krug 200 N Milwaukee Ave Vernon Hills IL 60061 CDW Corporation c o D&B RHS Bankruptcy Sus PO Box 5126 Timonium MD 21094 CDW Corporation CDW Corporation c o D&B RHS Bankruptcy Sus PO Box 5126 Timonium MD 21094 CDW Direct LLC c o D&B RMS Bankruptcy Services PO Box 5126 Timonium MD 21094 CECELIA CHRISTENSEN 975 MONTANA Ave MISSOULA MT 59802 CECIL WIALDA 302 E MAIN ST CASTLEWOOD SD 57223 CED 214 E GRIFFIN Dr BOZEMAN MT 59715 CED/AMERICAN ELECTRIC PO Box 68 ST JOSEPH MO 64502 CEDAR CREEK DATA SYSTEMS INC 3601 Grapevine Mills Pkwy Apt 41 Grapevine TX 76051-1955

CEDAR HOLLOW PARENTS & TEACHERS ORG 4900 S ENGLEMAN RD GRAND ISLAND NE 68801 CEDAR SHORE RESORT 1500 SHORELINE DR CHAMBERLAIN SD 57325 CEDAR ST BAKERY 311 CEDAR ST YANKTON SD 57078 Cede & Co Part 793 Kimiyo Meyer 121 Washington Ave S 1201 Minneapolis MN 55401 Cede & Co Part 793 The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Cede and Co 668033202 Comerica Bank #2108 411 W Lafayette Detroit MI 48226 Cegelec ESCA Corporation 11120 NE 33rd Pl Bellevue MT 98004 CELESTINE R BECKY 125 N IDAHO St BUTTE MT 59701 CELL PHONES ON THE GO INC 2100 HARRISON AVE BUTTE MT 59701 Cellco Partnership dba Verizon Wireless 180 Washington Valley Road Bedminster NH 07921 Cellco Partnership dba Verizon Wireless Director Contract Mgt and Administration 30 Independence Blvd Legal Dept 3rd Fl Warren Township NJ 07059 CELLULAR ACCESSORIES FOR LESS 2110 ARTESIA Blvd STE B 707 REDONDO BEACH CA 90278 CELLULAR ONE PO Box 79128 PHOENIX AZ 85062-9128 CEMENT PRODUCTS 601 E 7TH ST NORTH PLATTE NE 69103 CENDANT FINANCIAL MOBILITY SER PO Box 360287 PITTSBURGH PA 15250-6287 CENDANT MOBILITY Attn Wayne Rigie 40 Apple Ridge Rd Danbury CT 06810 CENDANT MOBILITY CENDANT MOBILITY Attn Wayne Rigie 40 Apple Ridge Rd Danbury CT 06810 CENDANT FINANCIAL MOBILITY CENDANT MOBILITY SER PO Box 360287 PITTSBURGH PA 15250-6287 Cendant Mobility Services Corporation Attention Contract Administration 40 Apple Ridge Road Danbury CT 06810 CENEX PO Box 909 LAUREL MT 59044-0909 CENEX HARVEST STATES COOP PO Box 579 KALISPELL MT 59901 CENEX HARVEST STATES COOP PO Box 909 LAUREL MT 59044-0909 Cenex Harvest States Cooperatives 21616th St Mall Ste 950 Denver CO 80202-5123 CENEX HARVEST STATES COOPERATIVES PO Box 427 GLASGOW MT 59230-0427 CENEX SUPPLY & MARKETING INC 4570 N RESERVE ST MISSOULA MT 59802 Centennial Concrete Inc 701 Centennial Ave Butte MT 59701 CENTER CITY LEGAL REPRODUCTION 123 S BRd ST STE 1920 PHILADELPHIA PA 19109 CENTER FOR MANAGEMENT 1845 FAIRMOUNT WICHITA KS 67260-0086 CENTER FOR THE ADVANCEMENT OF PO Box 66374 WASHINGTON DC 20035 CENTER RIDGE COMPANY CO CONESTOGA MALL MANAGEMENT GRAND ISLAND NE 68801 CENTER RIDGE COMPANY CONESTOGA MALL Management GRAND ISLAND NE CENTER RIDGE COMPANY CONESTOGA MALL MANAGEMENT N WEBB RD AND 13TH St GRAND ISLAND NE 68801 CENTERVILLE HIGH SCHOOL 693 HIGHWAY 227 SAND COULEE MT 59472 CENTERVILLE SENIOR CITIZENS PO Box 589 GREAT FALLS MT 59403 CENTRAL AIR SERVICE INC AIRPORT LEWISTOWN MT 59457 Central Air Service Inc PO Box 3701 Lewistown MT 59457 CENTRAL BUSINESS SUPPLY INC 115 S EGAN MADISON SD 57042 CENTRAL BUSINESS SUPPLY INC PO Box 807 BROOKINGS SD 57006 CENTRAL CABLE CONTRACTORS W7435 COUNTY AW WAUPUN WI 53963-9706 CENTRAL CITY AUTO GLASS 612 N E MAIN LEWISTOWN MT 59457 Central Cleaning and Restoration 1110 Central Ave Great Falls MT 59401 CENTRAL CLEANING SERVICE 1110 CENTRAL Ave GREAT FALLS MT 59401 Central Community College 3134 W HIGHWAY 34 GRAND ISLAND NE 68801 CENTRAL COPTERS INC 699 BOZEMAN TRAIL Rd BOZEMAN MT 59771 Central Copters Inc PO Box 7300 Bozeman MT 59771 CENTRAL DAKOTA TIMES PO Box 125 CHAMBERLAIN SD 57325-0125 CENTRAL ELECTRIC COOPERATIVE ASSN PO Box 130 PLANKINTON SD 57368-0130 CENTRAL ELECTRIC INCORPORATED 201 6TH St W LEWISTOWN MT 59457 Central Electric Incorporated 201 6th St W PO Box 872 Lewistown MT 59457 CENTRAL EXPRESS PHOTO 1801 3RD N W GREAT FALLS MT 59404 CENTRAL FIRE & SAFETY INC 104 W 13TH ST KEARNEY NE 68848-1492 CENTRAL HIGH SCHOOL PTA 510 N 1ST ST ABERDEEN SD 57401 CENTRAL HYDRAULIC SYSTEMS 2201 AVE H KEARNEY SD 68848 CENTRAL LOCATING SERVICE LTD PO Box 77805124 PHILADELPHIA PA 19182-5124 CENTRAL LOGISTICS 3636 W STOLLEY PARK RD GRAND ISLAND NE CENTRAL MERCANTILE COLLECTION SERVI 822 EE GRAND RIVER BRIGHTON MI 48116-1895 CENTRAL MOLONEY INC 14130 23RD AVE S PLYMOUTH MN 55447 CENTRAL MOLONEY INC PO Box 409437 ATLANTA GA 30384-9437 CENTRAL MOLONEY INC PO Box 681 BOTHELL WA 98041-0681 CENTRAL MONTANA COMMUNICATIONS INC PO Box 751 HAVRE MT 59501-0751 Central Montana Communications Inc PO Box 751 Havre MT 59501 Central Montana Electric Power Cooperative 501 Bay Dr Great Falls MT 59403 Central Montana Electric Power Cooperative PO Box 410 Hardin MT 59034-0410

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 24 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Central Montana Electric Power Cooperative Inc Maxon R Davis Davis Hatley Haffeman & Tighe PC PO Box 2103 Great Falls MT 59403 CENTRAL MONTANA FAIRGROUNDS 100 FAIRGROUNDS Rd LEWISTOWN MT 59457 CENTRAL MONTANA MEDICAL CENTER 408 WENDELL AVE LEWISTOWN MT 59457 CENTRAL MONTANA PROPANE LLC PO Box 558 LEWISTOWN MT 59457-0558 CENTRAL MT ASTRONOMY SOCIETY PO Box 589 GREAT FALLS MT 59403 CENTRAL NEBRASKA ETHNIC FESTIVAL PO Box 1306 GRAND ISLAND NE 68802 CENTRAL NEBRASKA GOODWILL IND 1804 S EDDY GRAND ISLAND NE 68802 CENTRAL NEBRASKA REHAB 3004 W FAIDLEY AVE GRAND ISLAND NE 68803-4109 CENTRAL NEBRASKA SHRINE CLUB PO Box 49 GRAND ISLAND NE 68802 CENTRAL PIPING 1015 E 30TH ST KEARNEY NE 68847 CENTRAL PLAINS CLINIC 1100 E 21ST ST SIOUX FALLS SD 57105-1020 CENTRAL PLAINS DISTRIBUTING 1420 N MINNESOTA AVE SIOUX FALLS SD 57104 CENTRAL PLAINS DISTRIBUTING MAIL STOP 830 OMAHA NE 68176-0830 CENTRAL PLASTICS COMPANY 1901 W INDEPENDENCE St SHAWNEE OK 74801 CENTRAL PLASTICS COMPANY 1901 WEST INDEPENDENCE St PO Box 3129 SHAWNEE OK 74801 CENTRAL PLUMBING & HEATINGINC 1520 RIVER DR N GREAT FALLS MT 59401 CENTRAL PRINTING SERVICE 325 SECOND St S GREAT FALLS MT 59405 CENTRAL SAND AND GRAVEL COMP PO Box 626 COLUMBUS NE 68602-0626 Central Solutions Inc 624 3RD ST S GREAT FALLS MT 59405-1838 Central Solutions Inc 624 3RD ST S Great Falls MT 59405 CENTRAL WASTE DISPOSAL INC 1905 HOLLAND DR GRAND ISLAND NE 68803 CENTRON SERVICES INC PO Box 4214 BUTTE MT 59701 CENTURY 21 2608 OLD FAIR RD GRAND ISLAND NE 68803-5220 CENTURY CONSTRUCTION CO INC PO Box 739 LEWISTOWN MT 59457 CENTURY LUMBER CO 363 N PINE ST GRAND ISLAND NE 68802-1342 CENTURY THEATRES 2400 S CAROLYN AVE SIOUX FALLS SD 57106 CENTURYTEL CLAIMS PO Box 9901 VANCOUVER WA 98668 CenturyTel of Montana Inc dba CenturyTe Attn Rex D Rainach 3622 Government Street Baton Rouge LA 70806-5720 CENTURYTEL(FORMER PTI) PO Box 6001 MARION LA 71260-6001 CENTURYTELFORMER PTI PO Box 6001 MARION LA 71260-6001 CEREAL FOOD PROCESSORS 900 16TH ST N GREAT FALLS MT 59401 Ceridian Corporation PSD Dept Attn Vice President 9399 W Higgins Rd Ste 400 Rosemont IL 60018 CF EXCAVATING LLC 1205 S MONTANA BUTTE MT 59701 CHAD BAUMAN 1900 SW Campus Dr Apt 27 102 Federal Way WA 98023-6569 CHAD BLINDAUER 24699 407TH AVE MITCHELL SD 57301 CHADWICK LANDSCAPE NURSERY 2010 E CUSTER AVE HELENA MT 59601-1233 CHALONE RUSSELL 208 N MONTANA Ave Ste 104 HELENA MT 59601 CHAMBERLAIN AREA CHAMBER PO Box 517 CHAMBERLAIN SD 57325 CHAMBERLAIN BASEBALL ASS PO Box 175 PUKWANA SD 57370 CHAMBERLAIN BUILDING SUPPLY PO Box 355 CHAMBERLAIN SD 57325 CHAMBERLAIN CHAMBER OF COMMERCE 115 W LAWLER CHAMBERLAIN SD 57325 CHAMBERLAIN CITY WATER & SEWER PO Box 1338 Butte MT 59702-1338 CHAMBERLAIN FLORIST 112 S MAIN CHAMBERLAIN SD 57325 CHAMBERLAIN JAYCEES PO Box 547 CHAMBERLAIN SD 57325 CHAMBERLAIN OACOMA REGISTER PO Box 550 CHAMBERLAIN SD 57325-0550 CHAMBERLAIN WHOLESALE GROCERY 400 E PROSPECT CHAMBERLAIN SD 57325 CHAMBERLIN PUMP COMPANY INC PO Box 3810 BUTTE MT 59701 CHAMPION CHEER & DANCE C/O ANGELA N 19 S Elkjer CIR SIOUX FALLS SD 57103 4338 CHANDLER ENGINEERING COMPANY LLC PO Box 297134 HOUSTON TX 77297 CHANDLER ENGINEERING COMPANY LLC PO Box 470710 TULSA OK 74147-0710 CHAPMAN AND CUTLER PO Box 71291 CHICAGO IL CHAPMAN CONCRETE CONSTRUCTION 21335 KESA LANE FLORENCE MT 59823 CHAPMAN INCENTIVE ADVENTURES 454 DESET HOLLY DR PALM DESERT CA 92211 CHARITIES THROUGH JEREMY 3280 FAIRLANE FARMS Rd WELLINGTON FL 33414 CHARLES A & WANDA B HAUGEN* 525 E 3RD ST REDFIELD SD 57469 CHARLES B FLEDDERMANN 725 MONTCLAIRE Dr NE ALBUQUERQUE NM 87110 CHARLES DAVID 1717 EAST INTERSTATE AVE BISMARCK ND 58503 CHARLES E LANE JR PO Box 10 PHILIPSBURG MT 59858 Charles G Kratz 17821 Golfview Homewood IL 60430 CHARLES INDUSTRIES LTD 503 N E 15TH St CASEY IL 62420 CHARLES INDUSTRIES LTD 5600 APOLLO DR ROLLING MEADOWS IL 60008 CHARLES MILLER 6455 MULLAN Rd MISSOULA MT 59801 CHARLES MIX COUNTY CLERK OF COURTS PO Box 640 LAKE ANDES SD 57356 CHARLES MIX COUNTY NEWS PO Box 257 GEDDES SD 57342 CHARLES MIX COUNTY REGISTER PO Box 206 LAKE ANDES SD 57356 CHARLES MIX COUNTY TREASURER PO Box 329 LAKE ANDES SD 57356 CHARLES MIX COUNTY TREASURER PO Box 339 LAKE ANDES SD 57356 CHARLES MIX ELECTRIC ASSN INC PO Box 10 LAKE ANDES SD 57356-0010 Charles R Durham Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103

CHARLES RIVER ASSOCIATES INCORPORAT D3139 BOSTON MA 02241-3139 Charles Schwab & Co Inc c o ADP CHARLES STEVEN TODD 3145 Sanders St BUTTE MT 59701-3636 Charles Worth 426 S 5th Livingston MT 59047 CHARLIE ADAMS 7221 W KENTUCKY DR UNIT E LAKEWOOD CO 80226 CHARLIE THE PLUMBER RR 1 BOX 2133 ROBERTS MT 59070-9617 CHARLO HIGH SCHOOL PO Box 10 CHARLO MT 59824 Charlotte Grossman Estate c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 CHARMAYNE BELL 272 EDEN RD GREAT FALLS MT 59405 CHARTER MEDIA 2533 W OLD LINCOLN HIGHWAY GRAND ISLAND NE 68803 CHAS O LARSON COMPANY Box E STERLING IL 61081 CHAS O LARSON COMPANY PO Box E STERLING IL 61081

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 25 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CHASE MANHATTAN BANK NA 4 NEW YORK PLAZA NEW YORK NY 10004 CHATEAU VILLAGE PO Box 1868 KEARNEY NE 68848-1868 CHAVEZ CONCRETE CONSTRUCTION PO Box 96 CORVALLIS MT 59828 CHECKPOINT SERVICES INC 1415 DONELSON PIKE NASHVILLE TN 37217 CHEM SOLUTIONS PO Box 535 HURON SD 57350 CHEMCO INC 1333 VALLEY Dr ROCK VALLEY IA 51247 CHEMICAL MONTANA COMPANY 2000 BOULDER Ave HELENA MT 59601 CHEMICAL RESOURCES CORPORATION PO Box 1915 HUNTINGTON NY 11743 CHEMSEARCH PO Box 971269 DALLAS TX 75397-1269 CHERRY CREEK & ASSOCIATES LLC 204 S LOGAN AVE TERRY MT 59349 CHERYL KROEPLIN PO Box 346 HIGHMORE SD 57345 CHERYL ROMSA COURT REPORTING PO Box 1278 HELENA MT 59624 CHESTER HARDWARE Box B CHESTER SD 57016 CHESTER HIGH SCHOOL PO Box 1005 CHESTER MT 59450 CHESTERMAN CO PO Box 3657 SIOUX CITY IA 51102-3657 CHEVRON PHILLIPS CHEMICAL CO 5085 W PARK BLVD STE 500 PLANO TX 75093 CHEVRON PHILLIPS CHEMICAL CO LP 1301 MCKINNEY ST 21ST Fl HOUSTON TX 77010 CHICAGO MILWAUKEE ST PAUL AND PACIFIC RAILROAD COMPANY MR RICHARD B OGILVIE 516 W JACKSON Blvd CHICAGO IL 60606 CHICAGO TITLE INSURANCE COMPANY 101 RIVER DR N GREAT FALLS MT 59401 CHICAGO TRIBUNE PO Box 6315 CHICAGO IL 60680-6315 CHICAGO TUBE & IRON NW1266 MINNEAPOLIS MN 55485 CHILD & FAMILY RESOURCE COUNCIL PO Box 3805 MISSOULA MT 59806-3805 CHILD CARE PARTNERSHIP 901 BENTON AVE HELENA MT 59601 CHILD SUPPORT ENFORCEMENT DIVISION PO Box 8001 HELENA MT 59604-8001 CHILDCARE SOLUTIONS 1137 S Locust St GRAND ISLAND NE 68801-6771 CHILDERS INC HIWAY 39 COLSTRIP MT 59323-0728 CHILDERS INC HIWAY 39 PO Box 728 COLSTRIP MT 59323-0728 Childers Inc PO Box 728 2734 Highway 39 Colstrip MT 59323-0728 CHILDRENS CARE FOUNDATION PO Box 88236 SIOUX FALLS SD 57109-8236 CHILDRENS HOME FOUNDATION 801 N SYCAMORE Ave SIOUX FALLS SD 57101-1749 CHILDRENS MUSEUM OF MONTANA 22 Railroad SQUARE GREAT FALLS MT 59401 CHILDRENS WISH FOUNDATION PO Box 21794 ST LOUIS MO 63109-0794 CHILI OBRIENS 833 BRECKINRIDGE ST HELENA MT 59601-4433 CHINADLE COOLING 4440 COUNTY Rd 801 NW HAVRE MT 59501-6001 CHINOOK AREA CHAMBER OF COMMERCE CHINOOK MT 59523 CHINOOK COMMUNITY CHEST PO Box 1568 CHINOOK MT 59523-1568 CHINOOK HIGH SCHOOL PO Box 1059 CHINOOK MT 59523 CHINOOK READY MIX PO Box 1413 CHINOOK MT 59523-1413 CHIPPEWA CREE TRIBE OF THE ROCKY BOYS RESERVATION BOX ELDER MT 59521 Choice Point Inc Attn Clint Preston 1000 Alderman Dr Alpharetta GA 30005 CHOICEPOINT SERVICES INC PO Box 105186 ATLANTA GA 30348 CHOTEAU ACANTHA PEOE 320 CHOTEAU MT 59422-0320 CHOTEAU BASEBALL COMMISSION PO Box 722 CHOTEAU MT 59422 CHOTEAU CHAMBER OF COMMERCE PO Box 897 CHOTEAU MT 59422 CHOTEAU COUNTY CLERK & RECORDER PO Box 459 FORT BENTON MT 59442-0459 CHOTEAU COUNTY PLANNING BOARD 1308 FRANKLIN FORT BENTON MT 59442 Choteau High Schoo PO Box 857 Choteau MT 59422 CHOUTEAU COUNTY TREASURER COURTHOUSE FORT BENTON MT 59442 CHOUTEAU COUNTY PERFORMING ARTS FORT BENTON MT 59442 CHOUTEAU COUNTY TREASURER COURTHOUSE FORT BENTON MT 59442 CHRIS GLINES CONSTRUCTION HC 66 Box 23C Chadron NE 69337-9601 CHRIS J RAGAR 1700 W KOCH Ste 3 BOZEMAN MT 59715 CHRIS RAGAR & GARY GALETTI 1700 W KOCH Ste No3 BOZEMAN MT 59715 CHRIS RAGAR & LON J DALE Milodragovich Dale Steinbrenner & Binney PC 620 High Park Way PO Box 4947 Missoula MT 59806-4947 CHRIS RAGAR & LON J DALE Milodragovich Dale Steinbrenner & Binney PC 820 High Park Way PO Box 4947 Missoula MT 59806-4947 CHRIS SOUSLEY PO Box 2343 COLSTRIP MT 59323 CHRIS WEDE 123 NW 2ND ST MADISON SD 57042 CHRISTENSEN CONCRETE PRODUCTS CO PO Box 272 GRAND ISLAND NE 68802 CHRISTENSEN OCONNOR JOHNSON 1420 FIFTH Ave Ste 2800 SEATTLE WA 98101-2347 CHRISTENSENMOORECOCKRELL PO Box 7370 KALISPELL MT 59904-0370 Christian Fonss 2801 E Marson Drive Apt 306 Sioux Falls SD 57103 CHRISTINE FRAME 303 E ALDER ST MISSOULA MT 59802-4625 CHRISTINE HENKE 205 N WALLACE BOZEMAN MT 59715 CHRISTMAS DECOR 629 S MINNESOTA AVE SIOUX FALLS SD 57104 CHRISTMAS FAMILY PO Box 589 GREAT FALLS MT 59403 CHRISTOPHER DOW 140 LINDEN Dr CINCINNATI OH 45215 CHRISTY M BONK 1106 HILARY LANE CARY IL 60013 CHRYSLER FINANCIAL PO Box 3208 MILWAUKEE WI 53201-3208 CHS ATHLETE BOOSTERS PO Box 459 ABERDEEN SD 57402 CHUCK ANDERSON KNIVES 587 HIDDEN VALLEY Rd S FLORENCE MT 59833 CHUCK BENNETTS 815 S ATLANTIC DILLON MT 59725 Chuck Blue 14900 Harpers Bridge Rd Missoula MT 59808 Chuck Schollmeyer dba Phillipsburg Cable TV PO Box 40 Phillipsburg MT 59858 CHUCKS BODY & GLASS SHOP 525 E 3RD ST REDFIELD SD 57469 CHUCKS PLUMBING & HEATING 3130 VIGILANTE Dr HELENA MT 59602 CHUCKS WELDING & REPAIR PO Box 253 MALTA MT 59538 CHUCKWAGON CAFE W HWY 14 HURON SD 57350 CIBC WORLD MARKETS CORP 425 LEXINGTON AVE 6TH Fl NEW YORK NY 10017 CIBER NETWORK SERVICES INC 1 S 450 SUMMIT Ave Ste 210 OAKBROOK TERRACE IL 60181 Cibola Energy Services Corporation 11011 Q St 106A Omaha NE 68137 CICON & ASSOCIATES PO Box 541 CHESTER MT 59522-0541

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 26 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CIGNA 701 FIFTH AVE STE 1900 SEATTLE WA 98104 CINDY HILTON 4750 UNDERPASS AVE BILLINGS MT 59101 CINDY ST MARKS 715 PARK DR N GREAT FALLS MT 59401 CINDY VOLEK PO Box 343 HIGHMORE SD 57345 CIO 492 OLD CONNECTICUT PATH FRAMINGHAM MA 01701 CIRCADIAN TECHNOLOGIES INC 24 HARTWELL Ave LEXINGTON MA 02421 Cisco Systems 170 W Tasman Dr San Jose CA 95134 Cisco Systems 170 W Tasman Dr San Jose CA 95134-1706 CIT GROUP/EF FILE No55603 LOS ANGELES CA 90074-5603 CITIBANK NA 111 WALL St NEW YORK NY 10043 Citibank NA Attn: OE Bahachewsky VP Indenture Trustee of 7E07% due 2006 120 Wall St New York NY 10043 Citibank NA Attn: OE Bahachewsky VP Indenture Trustee of 7E875% due 2026 120 Wall St New York NY 10043 Citibank NA Attn: OE Bahachewsky VP Indenture Trustee of 7E97% due 2026 120 Wall St New York NY 10043 Citibank NA as Trustee on behalf of the Unsecured Note Holders Corporate Trust Office 120 Wall St 13th Fl New York NY 10043 CITICORP NORTH AMERICA PO Box 72478614 PHILADELPHIA PA 19170-8614 CITIGATE FINANCIAL INTELLIGENCE 1 HARMON PLAZA SECAUCUS NJ 07094 CITIGATE FINANCIAL INTELLIGENCE ONE HARMON PLAZA 7TH Fl SECAUCUS NJ 07094 Citigroup Global Markets c o ADP Citigroup Global Markets Inc Attn Elaine Mandelbaum 77 Water St 9th Floor New York NY 10005 Citigroup Global Markets Inc Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 CITIZENS COMMUNICATIONS 14450 BURNHAVEN DR BURNSVILLE MN 55337-0108

CITIZENS FOR RESPONSIBLE GOVERNMENT PO Box 589 GREAT FALLS MT 59403-0589 CITRIX SYSTEMS INC PO Box 9023 FT LAUDERDALE FL 33310-1500 CITY & COUNTY OF BUTTE SILVER BOW PO Box 667 BUTTE MT 59703-0667 CITY CENTER MOTOR INN 507 W MAIN BOZEMAN MT 59715 CITY COUNTY SANITATION 3630 YORK RD HELENA MT 59601 CITY DIRECTORY PO Box 265 BELMOND IA 50421 CITY GLASS PO Box 3746 MISSOULA MT 59806 CITY GROTON Anita Lowary Finance Officer PO BOX 587 GROTON SD 57445 City Hall City Clerk 317 Tipton Salix IA 51052 City of Aberdeen 123 S LINCOLN ST ABERDEEN SD 57401-4215 CITY OF ABERDEEN 123 SOUTH LINCOLN ST ABERDEEN SD 57401-4215 City of Aberdeen Aberdeen Parks and Recreation 401 N Washington St Aberdeen SD 57401 CITY OF ABERDEEN BROWN COUNTY ABERDEEN SD CITY OF ABERDEEN The Honorable Tom Hopper 123 S LINCOLN St ABERDEEN SD 57401 CITY OF ABERDEEN WATER AND SEWER COMMISSIONER PO BOX 1299 ABERDEEN SD 57401 CITY OF AMES PO Box 811 AMES IA 50010-0811 CITY OF ARLINGTON PO Box 379 ARLINGTON SD 57212 CITY OF ARLINGTON PO Box 379 ARLINGTON SD 57212-0379 CITY OF ARLINGTON PO Box 379 ARLINGTON SD 57212 CITY OF ARMOUR 620 MAIN ST ARMOUR SD 57313 CITY OF ARMOUR 620 MAIN ST PO Box 415 ARMOUR SD 57313 CITY OF AURORA 202 BROADWAY AURORA SD 57002 CITY OF AVON PO Box 207 AVON SD 57315 CITY OF BELGRADE 91 E CENTRAL AVE BELGRADE MT 59714-3710 CITY OF BIG TIMBER PO Box 416 BIG TIMBER MT 59011-0416 CITY OF BILLINGS DEPARTMENT OF FINANCE BILLINGS MT 59103 CITY OF BILLINGS DEPARTMENT OF FINANCE PO Box 1178 BILLINGS MT 59103 CITY OF BILLINGS PO Box 1178 BILLINGS MT 59103 CITY OF BILLINGS PO Box 1178 BILLINGS MT 59103-1178 CITY OF BILLINGS PUBLIC UTILITIES DEPT BILLINGS MT 59101 CITY OF BOZEMAN MT CITY OF BROOKINGS 311 3RD AVE BROOKINGS SD 57006 CITY OF BROOKINGS 311 3RD AVE PO Box 270 BROOKINGS SD 57006 CITY OF BRYANT HAMLIN COUNTY BRYANT SD CITY OF BRYANT Ms Tracy Larson PO BOX 145 BRYANT SD 57221-0145 CITY OF BRYANT PO Box 145 BRYANT SD 57221 CITY OF CANISTOTA PO Box 67 CANISTOTA SD 57012 CITY OF CHINOOK PO Box 1177 CHINOOK MT 59523-1177 CITY OF CHOTEAU GARBAGE DEPARTMENT PO Box 619 CHOTEAU MT 59422 CITY OF CLARISSA GAS PO Box 396 CLARISSA MN 56440 CITY OF CLARK PO Box 217 CLARK SD 57225 CITY OF CLEAR LAKE PO Box 107 CLEAR LAKE SD 57226 CITY OF COLSTRIP PO Box 1902 COLSTRIP MT 59323 CITY OF COLUMBIA FALLS 130 6TH ST W NoA COLUMBIA FALLS MT 59912-3609 CITY OF CONDE SPINK COUNTY CONDE SD CITY OF CONRAD 411 1 2 S MAIN ST CONRAD MT 59425-2390 CITY OF CONRAD 411 1/2 S MAIN ST CONRAD MT 59425-2390 CITY OF CUT BANK 221 W MAIN CUT BANK MT 59427 CITY OF CUT BANK 221 WEST MAIN CUT BANK MT 59427 CITY OF DEER LODGE 300 MAIN St DEER LODGE MT 59722-1098 CITY OF DESMET 218 CALUMET AVE DESMET SD 57231 CITY OF DILLON 125 N IDAHO DILLON MT 59725 CITY OF DILLON 125 N IDAHO St DILLON MT 59725-2616 CITY OF DILLON 125 NORTH IDAHO DILLON MT 59725 CITY OF DOLAND PO Box 326 DOLAND SD 57436 CITY OF DONALD SPINK COUNTY DONALD SD CITY OF DULUTH PO Box 229 DULUTH MN 55801 CITY OF FAULKTON 105 8th Ave North PO Box 21 FAULKTON SD 57438 CITY OF FAULKTON PO Box 21 FAULKTON SD 57438

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 27 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country City of Forsyth City Hal Attn Mayor Forsyth MT 59327 CITY OF FORT BENTON PO Box 8 FORT BENTON MT 59442-0008 CITY OF FRANKFORT SPINK COUNTY FRANKFORT SD CITY OF FREEMAN PO Box 178 FREEMAN SD 57029-0178 CITY OF G I 353 N LINCOLN GRAND ISLAND NE 68801-4759 CITY OF GARRETSON PO Box 370 GARRETSON SD 57030-0370 CITY OF GLASGOW 319 3RD St S GLASGOW MT 59230 City of Grand Island 100 E 1st St Grand Island NE 68802 CITY OF GRAND ISLAND PO Box 1968 GRAND ISLAND NE 68802-1968 CITY OF GRAND ISLAND NEBRASKA PO Box 1968 GRAND ISLAND NE 68802-1968 City of Great Falls PO Box 5021 Great Falls MT 59403 CITY OF GREAT FALLS PO Box 553 GREAT FALLS MT 59403 CITY OF GREAT FALLS MONTANA PO Box 5021 GREAT FALLS MT 59403 CITY OF GROTON 209 N MAIN GROTON SD 57445-0587 CITY OF GROTON 209 N MAIN PO Box 587 GROTON SD 57445-0587 CITY OF HAMILTON 202 SOUTH THIRD St HAMILTON MT 59840 CITY OF HAMILTON 223 S 2ND ST HAMILTON MT 59840-2557 CITY OF HARDIN 406 N CHEYENNE HARDIN MT 59034 CITY OF HARDIN 406 NORTH CHEYENNE HARDIN MT 59034 CITY OF HARLEM PO Box 579 HARLEM MT 59526-0579 CITY OF HARLOWTON PO Box 292 HARLOWTON MT 59036-0292 CITY OF HAZEL HAMLIN COUNTY HAZEL SD CITY OF HELENA 316 N PARK HELENA MT 59623 CITY OF HELENA 316 NORTH PARK HELENA MT 59623 CITY OF HELENA BUILDING DEPT 316 N PARK Ave HELENA MT 59623 CITY OF HENRY 107 N PINE St HENRY SD 57243 CITY OF HIGHMORE PO Box 299 HIGHMORE SD 57345-0299 City of Holland Cunningham Dalman PC Ronald J Vander Veen 321 Settlers Road PO Box 1767 Holland MI 49422-1767 CITY OF HOWARD 203 CHET CORY DR HOWARD SD CITY OF HOWARD PO Box 705 HOWARD SD 57349-0705 CITY OF HURON BEADLE COUNTY HURON SD CITY OF HURON PO Box 1369 HURON SD 57350 CITY OF HURON AIRPORT BOARD MUNICIPAL AIRPORT HURON SD 57350 CITY OF IROQUOIS PO Box 127 IROQUOIS SD 57353 CITY OF KALISPELL WATER DEPT DRAWER 1997 KALISPELL MT 59901 City of Kearney 18 E 22nd St Kearney NE 68848 CITY OF KEARNEY PO Box 1180 KEARNEY NE 68848-1180 CITY OF KEARNEY NEBRASKA PO Box 1180 KEARNEY NE 68848-1180 CITY OF LANGFORD Municipal Finance Officer PO BOX 191 LANGFORD SD 57454-0191 CITY OF LAUREL PO Box 10 LAUREL MT 59044 CITY OF LEWISTOWN 305 W WATSON LEWISTOWN MT 59457 CITY OF LIVINGSTON 330 N BENNETT St LIVINGSTON MT 59047 CITY OF MADISON PO Box 308 MADISON SD 57042 CITY OF MAIDSON 116 W CENTER MADISON SD CITY OF MALTA PO Box 1300 MALTA MT 59538 CITY OF MARION PO Box 94 MARION SD 57043 CITY OF MELLETTE PO Box 105 MELLETTE SD 57461 CITY OF MELLETTE SPINK COUNTY MELLETTE SD CITY OF MENNO PO Box 432 MENNO SD 57045-0432 CITY OF MILBANK 401 S MAIN ST MILBANK SD 57252 CITY OF MILLER HAND COUNTY MILLER SD CITY OF MILLER Mr Bill Lewellen PO BOX 69 MILLER SD 57362 CITY OF MISSOULA 435 RYMAN St MISSOULA MT 59801 CITY OF MISSOULA PARKS & RECREATION DEPARTMENT MISSOULA MT 59801 CITY OF MISSOULA PW/ENGRG DVSN 435 RYMAN MISSOULA MT 59802 CITY OF MISSOULA SEWER B DEPT 435 RYMAN ST MISSOULA MT 59802-4207 CITY OF MITCHELL 612 NORTH MAIN ST MITCHELL SD 57301 CITY OF MITCHELL PO Box 278 MITCHELL SD 57301 CITY OF MITCHELL SOUTH DAKOTA 612 N MAIN ST MITCHELL SD 57301

CITY OF MITCHELL SOUTH DAKOTA SOUTH DAKOTA DEPARTMENT OF REVENUE RICHARD F KNEIP BUILDING 700 N ILLINOIS PIERRE SD 57501-2276 CITY OF NORTH PLATTE 211 W 3RD ST NORTH PLATTE NE 69101 City of North Platte 211 W Third St North Platte NE 69101 CITY OF NORTH PLATTE NEBRASKA 211 W 3RD ST NORTH PLATTE NE 69101 CITY OF PARKER PO Box 265 PARKER SD 57053-0265 CITY OF PARKSTON PO Box 490 PARKSTON SD 57366 CITY OF PHILADELPHIA 125 SE DAKOTA AVE SIOUX FALLS SD 57104 CITY OF PLATTE PO Box 236 PLATTE SD 57369 CITY OF RED LODGE PO Box 9 RED LODGE MT 59068-0009 CITY OF REDFIELD 626 MAIN ST REDFIELD SD 57469-1127 CITY OF REDFIELD SPINK COUNTY REDFIELD SD CITY OF ROUNDUP PO Box 660 ROUNDUP MT 59072 CITY OF SCOTLAND BON HOMME COUNTY SCOTLAND SD CITY OF SCOTLAND PO Box 309 SCOTLAND SD 57059 CITY OF SEATTLE 700 FIFTH Ave Ste 3300 SEATTLE WA 98104-5031 CITY OF SHELBY MONTANA PO Box 743 SHELBY MT 59474 CITY OF SIOUX FALLS 224 W 9TH ST SIOUX FALLS SD 57102 CITY OF SIOUX FALLS 224 W 9TH ST SIOUX FALLS SD 57104-6407 CITY OF SIOUX FALLS Community Development Public Parking 235 W 10th St SIOUX FALLS SD 57104-6302 CITY OF SPRINGFIELD BON HOMME COUNTY SPRINGFIELD SD CITY OF SPRINGFIELD PO Box 446 SPRINGFIELD SD 57062 CITY OF SPRINGFIELD PO Box 446 SPRINGFIELD SD 57062-0446

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 28 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CITY OF SPRINGFIELD PO Box 446 SPRINGFIELD SD 57062 CITY OF THREE FORKS PO Box 187 THREE FORKS MT 59752-0187 CITY OF TOWNSEND 129 S SPRUCE ST TOWNSEND MT 59644-2509 CITY OF TRIPP PO Box 428 TRIPP SD 57376 CITY OF VOLGA PO Box 217 VOLGA SD 57071 CITY OF WAGNER 106 SHERIDAN AVE SE WAGNER SD 57380-9518 CITY OF WAGNER PO Box 40 WAGNER SD 57380-0040 City of Watertown Codington County South Dakota Watertown SD CITY OF WEBSTER PO Box 539 WEBSTER SD 57274-0539 CITY OF WHITEFISH PO Box 158 WHITEFISH MT 59937-0158 CITY OF WILLOW LAKE CLARK COUNTY WILLOW LAKE SD CITY OF WOONSOCKET PO Box 456 WOONSOCKET SD 57385-0456 CITY OF YANKTON CHAN GURNEY AIRPORT YANKTON SD CITY OF YANKTON PO Box 176 YANKTON SD 57078 City Securities Corporation c o ADP CITY TRANSFER LINE OF BUTTE MT 743 S WYOMING St BUTTE MT 59701 CITY TREASURER CITY OF TACOMA PO Box 1175 TACOMA WA 98401 CITY TREASURERS OFFICE 123 S LINCOLN ST ABERDEEN SD 57401 CIVIL AIR PATROL 2600 6TH AVE N GREAT FALLS MT 59401-2004 CIVIL AIR PATROL BOZEMAN 9333 THEISEN Rd BELGRADE MT 59714 CIVIL AIR PATROL BUTTE PO Box 16 BUTTE MT 59701 CIVIL AIR PATROL MAGAZINE PO Box 1615 BILLINGS MT 59103-1615 CJS CATERING 411 W DAKOTA PIERRE SD 57501 CJS EXPRESS 3305 6TH AVE N GREAT FALLS MT 59401 CLAIRE BRECHTER PUBLIC RELATIO 7 MEADOW WOOD LANE LANDENBERG PA 19350 CLANCY ELEMENTARY SCHOOL PO Box 209 CLANCY MT 59634 Clapp Research Associates PC 6112 Saint Giles St Raleigh NC 27612 CLAREMONT RR 2 BOX 132 A CASTLEWOOD SD 57223 Claremont Colony RR 2 Box 132A Castlewood SD Clarence C Hardin 212 Catheys Creek Road Brevard NC 28712 Clarence C Hardin 212 Catheys Creek Road Brevarel NC 28712 Clarence C Hardin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Clarence C Hardin CLARENCE FLIKKEMA 8160 CHURCHILL Rd MANHATTAN MT 59741 CLARITAS INC PO Box 72477380 PHILADELPHIA PA 19170-7380 CLARITUS 3920 S WILLOW AVE SIOUX FALLS SD 57105-6234 CLARK AREA CHAMBER OF COMMERCE 111 S SMITH ST CLARK SD 57225 CLARK BROTHERS TRANSFER INC 900 N 1ST ST NORFOLK NE 68702-1269 CLARK CITY POOL SITE PO BOX 217 CLARK SD 57225 CLARK COMET C CLUB 220 N CLINTON CLARK SD 57225 CLARK COMMUNITY OIL CO 100 N CLOUD CLARK SD 57225 CLARK COUNTY AUTO PARTS PO Box 146 CLARK SD 57225 CLARK COUNTY CLERK OF COURTS PO Box 294 CLARK SD 57225 CLARK COUNTY COURIER PO Box 189 CLARK SD 57225 CLARK COUNTY REGISTER OF DEEDS PO Box 294 CLARK SD 57225 CLARK COUNTY TREASURER PO Box 295 CLARK SD 57225 CLARK DOLAND CONCRETE PO Box 132 CLARK SD 57225 Clark Electric HC62 Box 3070 Stanford MT 59479 CLARK FIRE DEPARTMENT PO Box 242 CLARK SD 57225 CLARK FLOWER & GIFT SHOP PO Box 214 CLARK SD 57225-0214 Clark Fork Telecommunications Inc 1112 N Russell St Missoula MT 59802 Clark Fork Telecommunications Inc 1112 N Russell St Missoula MT 59808 CLARK FORK TITLE PO Box 9 THOMPSON FALLS MT 59873 CLARK HIGH SCHOOL 220 N CLINTON St CLARK SD 57225 CLARK HIGH SCHOOL Box 220 CLARK SD CLARK PAVING 40732 245th St Letcher SD 57359-5201 CLARK SAFETY/LOSS CONTROL SERVICE PO Box 51299 BILLINGS MT 59105 CLARKE MACHINE PO Box 694 HOWARD SD 57349 CLARKETTES SERVICE CLUB 403 3RD AVE NE CLARK SD 57225 CLARKS FORK MEDICAL CENTER PO Box 486 BRIDGER MT 59014-0486 CLARKS RENTAL INC 701 E 2ND ST YANKTON SD 57078 CLARKSTON FIRE SERVICE AREA #6 12454 CLARKSTON Rd THREE FORKS MT 59752 CLARNEYS AUTO PARTS PO Box 6 ALEXANDRIA SD 57311-0006 CLARUS COMMUNICATIONS 620 MULLADY PARKWAY LIBERTYVILLE IL 60048 CLASS ACT CATERING INC 149 GLENHAVEN Dr BILLINGS MT 59105 CLASS C CLASSIC PO Box 589 GREAT FALLS MT 59403 Class Clay Creamery 4164th Ave SW Aberdeen SD 57401 Class Clay Creamery Attn Al Nelson Fargo ND 58108

Class Members of Proposed Class Action Filed in Montana State District Court Case No DV-98-253 c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 CLASSIC AUTO TRANSPORT & SALES 407 N 17TH BOZEMAN MT 59601 CLASSIC COLLISION & FRAME 610 E US HIGHWAY 18 MENNO SD 57045 CLASSIC CONVENIENCE 500 SE 10TH ST MADISON SD 57042 CLASSIC CREATIONS LLC PO Box 4923 HELENA MT 59604 CLASSIC WOODWORKS 1379 WISCONSIN SW HURON SD 57350 CLASSICAL CREATIONS PO Box 711 BRITTON SD 57430 CLAUSEN CONSTRUCTION INC PO Box 159 CLARK SD 57225 CLAUSEN SANITARY DRAY SERVICE 1125 E 6TH AVE REDFIELD SD 57469 CLAYTON CHARLES 798 11TH SW HURON SD 57350 CLEAN HARBORS ENV SERVICES INC PO Box 3442 BOSTON MA 02241-3442 CLEAR CHANNEL BROADCASTING INC PO Box 847721 DALLAS TX 75284

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 29 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CLEAR LAKE BUILDING CENTER 109 4TH AVE N CLEAR LAKE SD 57226 CLEAR LAKE COMMERCIAL CLUB PO Box 341 CLEAR LAKE SD 57226 CLEAR LAKE COURIER PO Box 830 CLEAR LAKE SD 57226 CLEAR LAKE TEENER BASEBALL PO Box 428 CLEAR LAKE SD 57226 CLEMENT COMMUNICATIONS INC PO Box 500 CONCORDVILLE PA 19331-0500 CLEMS TIRE SERVICE 103 W 4TH YANKTON SD 57078 CLERK OF DISTRICT COURT 228 Broadway HELENA MT 59601 CLERK OF DISTRICT COURT PO Box 1074 LEWISTOWN MT 59457 CLERK OF DISTRICT COURT 22ND JUDICIAL DISTRICT COLUMBUS MT 59019 CLERK OF DISTRICT COURT SIXTH 414 E CALLENDER ST LIVINGSTON MT 59047-2799 CLERK OF SIXTEENTH JUDICIAL DISTRICT COURT ROSEBUD COUNTY FORSYTH MT 59327 CLERK OF THE COURTS OFFICE 155 W GRANITE ST BUTTE MT 59701 CLERK OF THE DISTRICT COURT 155 W GRANITE BUTTE MT 59701 CLERK OF THE DISTRICT COURT 200 W Broadway MISSOULA MT 59802-4292 CLERK OF THE DISTRICT COURT 201 CENTENNIAL BOULDER MT 59632 CLERK OF THE DISTRICT COURT 400 OHIO St CHINOOK MT 59523-0969 CLERK OF THE DISTRICT COURT 615 S 16TH AVE ROOM 200 BOZEMAN MT 59715-4107 CLERK OF THE DISTRICT COURT 800 S MAIN St KALISPELL MT 59901-5400 CLERK OF THE DISTRICT COURT PO Box 35025 BILLINGS MT 59107 CLERK OF THE DISTRICT COURT PO Box 35030 BILLINGS MT 59107-5030 CLERK OF THE U S DISTRICT COURT 215 FIRST Ave N GREAT FALLS MT 59403 CLERK US DISTRICT COURT 400 N MAIN ST ROOM 303 BUTTE MT 59701 CLEVE W STUTZMAN 2020 E CAPITAL AVE GRAND ISLAND NE 68801 Cleveland Inspection Services Inc PO Box 100 Cleveland OK 74020 CLEVELAND INSPECTION SVC INC DEPT No1041 TULSA OK 74182 CLIFF AVENUE GREEENHOUSE INC 2101 E 26TH ST SIOUX FALLS SD 57105 CLIFF PARKHURST CONSTRUCTION 1141 DAKOTA N HURON SD 57350 CLIFFORD & ASSOCIATES PO Box 9790 HELENA MT 59604 CLIFFORD OF VERMONT /TVC PO Box 51 BETHEL VT 05032 CLIFFORD RUESINK 409 N 4TH AVE CASTLEWOOD SD 57223 CLIMATE ENGINEERING CORP 774 BLACK MOUNTAIN Rd THERMOPOLIS WY 82443 CLIMATE SYSTEMS INC 3005 W Russell St SIOUX FALLS SD 57107-0707 CLIMATE TEL 1940 RADISSON St GREEN BAY WI 54302-2037 CLINE DJ 6011 LANAI LN TEGA CAY SC 29708-9320 CLUB BOXING 146 W PARK ST BUTTE MT 59701 Clyde Carlson PO Box 108 Malta MT 59538 CLYDES BACKHOE SERVICE PO Box 197 RYEGATE MT 59074 CMI INC PO Box 98483 CHICAGO IL 60693 CMR GRADUATES PO Box 589 GREAT FALLS MT 59403 CMR RUSSELLOG 228 17 AVE NW GREAT FALLS MT 59404 CMRS FP PO Box 505 CAROL STREAM IL 60132-0505 CMRS TMS PO Box 527 CAROL STREAM IL 60132-0527 CMS COMUNICATIONS INC PO Box 790051 ST LOUIS MO 63179-0051 CNA SURETY PO Box 5176 SIOUX FALLS SD 57117-5176 CO NEXUS COMMUNICATIONS SYSTEMS 5600 NORTHWEST CENTRAL Dr HOUSTON TX 77092 Coast Energy Group 1600 Highway 6 Ste 400 Sugarland TX 77478 COAST ENGINEERING LABS 27460 AQUA VISTA WAY STE B TEMECULA CA 92590 COBORNS INC PO Box 1502 ST CLOUD MN 56302 COBORNS VIDEO 860 SW 21ST ST HURON SD 57350 COCA COLA BOTTLING CO 109 2ND ST S GLASGOW MT 59230-2325 COCA COLA BOTTLING CO PO Box 833 SIOUX FALLS SD 57101 COCA COLA BOTTLING COMPANY 227 DAKOTA AVE N HURON SD 57350 COCA COLA BOTTLING OF MONTANA 75 REMITTANCE Dr CHICAGO IL 60675-3121 COCA COLA OF CENTRAL SD 120 S KIMBALL ST MITCHELL SD 57301 COCA COLA OF CENTRAL SD 120 S KIMBALL ST PO Box 39 MITCHELL SD 57301 CODINGTON CLARK ELECTRIC PO Box 880 WATERTOWN SD 57201-0880 CODINGTON COUNTY AUDITOR 14 1ST AVE SE WATERTOWN SD 57201 CODINGTON COUNTY CLERK OF COURTS PO Box 1054 WATERTOWN SD 57201 CODINGTON COUNTY TREASURER 16 1ST AVE SE WATERHOUSE SD 57201 CODINGTON COUNTY TREASURER 16 1ST AVE SE WATERTOWN SD 57201 CodingtonClark Electric 38th Ave SE Watertown SD COLD COUNTRY BOTTLED WATER INC 1146 E MAIN ST CUT BANK MT 58427 COLD SPRING GRANITE COMPANY 14982 485TH AVE MILBANK SD COLE CONSTRUCTION INC ROUTE 1 SILESIA MT 59041 Cole Construction Inc Route 1 Box 98a Silesia MT 59041 COLE PAPER INC PO Box 2967 FARGO ND 58108-2967 COLEMAN PATRICK 6324 N LENOX AVE CHICAGO IL 60646 COLES CLEANING SERVICE PO Box 3022 RED LODGE MT 59068 COLIN BONNETT 509 N 4TH AVE BOZEMAN MT 59715-3409 COLLECTION BUREAU SERVICES PO Box 7339 MISSOULA MT 59807-7339 Collection Bureau Services Inc PO Box 7339 Missoula MT 59807-7339 Colleen A Emme Cust & Danielle E Emme UTMA MN 22135 Pillsbury Ave Lakeville MN 55044-8230 Colleen A Emme Cust & Danielle E Emme UTMA MN The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Colleen A Emme Cust & Kimberly Ann Emme Utma MN 22135 Pillsbury Ave Lakeville MN 55044-8230 Colleen A Emme Cust & Kimberly Ann Emme Utma MN The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Colleen A Emme Cust and Kenneth B Emme UTMA MN 22135 Pillsbury Ave Lakeville MN 55044-3230

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 30 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Colleen A Emme Cust and Kenneth B Emme UTMA MN The Depository Trust Company 55 Water St 49th Fl New York NY 10041 COLLEEN TALKINGTON 417 SO FEE APT C HELENA MT 59601 COLLEENS 4810 2nd Ave N GREAT FALLS MT 59405-1400 COLLEGE FOR FINANCIAL PLANNING 6161 S SYRACUSE WAY GREENWOOD VILLAGE CO 80111-4707 COLLEGE OF ENGINEERING YEA SDSU BROOKINGS SD 57007-0096 College Park 3180 W HIGHWAY 34 GRAND ISLAND NE 68801 COLONIAL SQUARE APT PO Box 81436 LINCOLN NE 68501-1436 COLORADO DEPARTMENT OF REVENUE 1375 SHERMAN St DENVER CO 80261 COLORADO INSTITUTE FOR INJURY 1660 S ALBION ST Ste 1010 DENVER CO 80222 COLORADO INTERSTATE GAS COMPANY PO BOX 1087 COLORADO SPRINGS CO 80944 COLORADO STATE TREASURER 1515 ARAPAHO ST TOWER 3 No 200 DENVER CO 80202-2117 COLORADO STATE TREASURER PO Box 956 DENVER CO 80201-0956 COLORADO STATE UNIVERSITY FND 510 UNIVERSITY SERVICES CENTER FORT COLLINS CO 80523-7115 COLSTRIP AREA ASSOC OF BUSINESS PO Box 1100 COLSTRIP MT 59323 Colstrip Energy Limited Partnership 1087 West River St Ste 200 Boise ID 83702-7023 COLSTRIP ENERGY LIMITED PARTNERSHIP Rosebud Operating Inc 1087 W RIVER ST Ste 200 BOISE ID 83702-7023 Skadden, Arps, Slate, Meagher & COLSTRIP ENERGY LIMITED PARTNERSHIP Flom, LLP SkaddEN ARPS SLATE MEAGHER & FLOm llp Attn: Richard Levin 300 South Grand Ave Suite 3400 Los Angeles CA 90071 Colstrip High Schoo PO Box 159 Colstrip MT 59323 COLSTRIP MEDICAL CENTER PO Box 508 COLSTRIP MT 59323-0508 COLSTRIP SCHOOL DISTRICT #19 PO Box 159 COLSTRIP MT 59323 COLSTRIP SENIOR PARENTS ASSOCIATION INCE COLSTRIP MT 59323 COLTEC INDUSTRIES INC 7824 COLLECTIONS CENTER DR CHICAGO IL 60693 Columbia Falls Aluminum Company PO Box 10 Columbia Falls MT 59912 COLUMBIA FALLS BASEBALL PO Box 699 COLUMBIA FALLS MT 59912 COLUMBIA FALLS CHAMBER OF CMCE PO Box 312 COLUMBIA FALLS MT 59912 COLUMBIA FALLS COMMUNITY CHOIR PO Box 260212 MARTIN CITY MT 59926 COLUMBIA FALLS HIGH SCHOOL PO Box 1259 COLUMBIA FALLS MT 59912 COLUMBIA FALLS JR MISS SCHOLARSHIP 1000 COLUMBIA Dr COLUMBIA FALLS MT 59912 COLUMBIA FALLS LIONS CLUB PO Box 1191 COLUMBIA FALLS MT 59912 COLUMBIA PAINT COMPANY 2045 HARRISON Ave BUTTE MT 59701-6044 COLUMBIA PAINT COMPANY PO Box 2884 SPOKANE WA 99220-2884 COLUMBIAN GARDEN ESPRESSO INC 27 N MAIN ST BUTTE MT 59701 COLUMBUS HIGH SCHOOL 433 N 3RD St COLUMBUS MT 59019 COLWELL CONCRETE 40750 259TH ST MITCHELL SD 57301 Comanche Park LLC Michael Schmeche 100 N 27th Street Ste 320 Billings MT 59101 COMBINED BUILDING SPECIALTIES 516 N Garfield Cir SIOUX FALLS SD 57104-5635 COMDISCO INC 6111 N RIVER RD ROSEMONT IL 60018 COMERCIA BANK PO Box 75000 DETROIT MI 48275-3454 Comerica Bank c o ADP COMFORT INN 1117 S BURR ST MITCHELL SD 57301 COMFORT INN OF BUTTE 2777 HARRISON Ave BUTTE MT 59701 COMFORT PRODUCTS DIST INC 14001 MARSHALL DR LENEXA KS 66215-1262 COMFORT SUITES 3208 S CAROLYN AVE SIOUX FALLS SD 57106 Commerce Bank NA c o ADP COMMERCIAL ASPHALT 25254 413TH AVE MITCHELL SD 57301 COMMERCIAL ASPHALT A DIVISION OF SPENCER QUARRIES BOX 427 MITCHELL SD 57301 COMMERCIAL ASPHALT S RIVERSIDE EXIT MITCHELL SD COMMERCIAL BANK INSURANCE 505 W 7TH ST PO BOX 98 WOONSOCKET SD 57385 Commercial Empire Inc dba Campwell Drilling & Pump Supply 1522 S 14th St W Missoula MT 59801 Commercial Energy of Montana PO Box 548 Cut Bank MT 59427 Commercial Energy of Montana Ronald L Perry President 118 E Main PO Box 548 Cut Bank MT 59427 COMMERCIAL NEWSPAPER SERVICES PO Box 487 MERIDIAN ID 83680-0487 COMMERCIAL ROOFING INC PO Box 21162 BILLINGS MT 59104 COMMERCIAL STATE BANK PO Box 220 WAGNER SD 57380-0220 COMMERCIAL TRUST & SAVINGS BAN PO Box 916 HURON SD 57350 COMMISSIONER OF POLITICAL PRACTICES 1205 8TH AVE HELENA MT 59620 COMMISSIONER OF REV SERVICES PO Box 2974 HARTFORD CT 06104-2974 COMMITTEE ON STATE TAXATION 122 C St NW STE 330 WASHINGTON DC 20001 COMMONWEALTH OF MASSACHUSETTS PO Box 7025 CHELSEA MA 02204 Communication Enterprises Inc Richard W Johnston Manager PO Box 67 Woonsocket SD 57385 COMMUNICATIONS ADVISORS INC 19111 W TEN MILE RD Ste 167 SOUTHFIELD MI 48075 COMMUNICATIONS ADVISORS INC 19111 W TEN MILE Rd Ste 167 SOUTHFIELD MI 48075-2417 COMMUNITY BANK ATT LORRAINE ROTH AVON SD 57315 COMMUNITY BANK ATT LORRAINE ROTH PO Box 315 AVON SD 57315 COMMUNITY CLUB PO Box 137 WESSINGTON SD 57381 COMMUNITY FOOD CO OP 908 W MAIN BOZEMAN MT 59715 COMMUNITY HEALTH CENTER 7101 NEWPORT AVE STE 204 OMAHA NE 68152 COMMUNITY HEALTH OPTIONS PO Box 31397 BILLINGS MT 59107-1397 COMMUNITY HEALTH PARTNERS 126 S MAIN LIVINGSTON MT 59047 COMMUNITY HOSPITAL & NURSING 205 CHERRY St ANACONDA MT 59711 COMMUNITY HOSPITAL & NURSING HOME 115 W COMMERCIAL ANACONDA MT 59711 COMMUNITY HOSPITAL OF ANACONDA 205 CHERRY ANACONDA MT 59711 COMMUNITY MEMORIAL HOSPITAL 111 W 10TH AVE REDFIELD SD COMMUNITY MEMORIAL HOSPITAL CAMPUS 111 W 10TH Ave REDFIELD SD 57469 COMMUNITY SAFETY NET 276 CAVALIER ST PEMBINA ND 58271-0559 Community Trust on behalf of Gerald Keefe IRA Valcom 3520 South Louise Ave Sioux Falls SD 57106 Community Trust on behalf of Judith Haugo VALCOM 3520 South Louise Ave Sioux Falls SD 57106 COMPANION LIFE INSURANCE 4 MUTUAL OF OMAHA PLAZA OMAHA NE 68175 COMPAQ NS 150634061 ATLANTA GA 30384-0500

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 31 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country COMPAQ COMPUTER CORP COMPAQ CONSUMER OREM UT 84059 COMPAQ COMPUTER CORPORATION 153 TAYLOR St LITTLETON MA 01460-1407 COMPLETE CAREER CENTER INC 102 W 5TH AVE MITCHELL SD 57301 COMPREHENSIVE HEARING SERVICE 2626 WINNE HELENA MT 59601 Comprehensive Hearing Services 2626 Wynne Helena MT 59602 COMPRESSOR COMPONENTS A DOVER RESOURCES COMPANY ODESSA TX 79760 COMPSYCH 24TH Fl 455 NE CITYFRONT PLAZA D CHICAGO IL 60611-5322 COMPSYCH BEHAVIORAL HEALTH CORP 455 N CITYFRONT PLAZA DR 24TH Fl CHICAGO IL 60611-5506 COMPTON SIGNATURES 1/2 MILE WEST ON US 89 BROWNING MT 59417 COMPTROLLER OF PUBLIC ACCOUNTS 111 E 17TH ST AUSTIN TX 78774-0100 COMPTROLLER OF THE TREASURY MD PO Box 17132 BALTIMORE MD 21297-0175 COMPUSOURCE INC 300 N WILLSON AVE SteNo10 BOZEMAN MT 59715 Computalog USA Inc 2675 Enterprise Ave Billings MT 59102 COMPUTALOG USA INC WIRELINE SERVICES DIVISION DALLAS TX 75320-0698 COMPUTER ASSOCIATES PO Box 120001 DALLAS TX 75312-0730

COMPUTER ASSOCIATES INTERNATIONAL INC ONE COMPUTER ASSOCIATES PLAZA ISLANDIA NY 11749 COMPUTER CONNECTIONS 130 SECOND St W KALISPELL MT 59901 COMPUTER SITES INC PO BOX 761 LEHI UT 84043-0761 COMPUWARE CORPORATION 31440 NORTHWESTERN HWY FARMINGTON HILLS MI 48018-5550 COMTECH GROUP USA INC 33950 TRASURY CENTER CHICAGO IL 60694-3900 Comtech Group USA Inc 75 TriState International Ste 200 Lincolnshire IL 60069 Con Way Transportation 5555 Rufe Snow Dr Ste 5515 North Richland Hills TX 76180 CON WAY TRANSPORTION SERVICES INC 135 S LASALLE DEPT 2493 CHICAGO IL 60674-2493 CONCAST INC PO Box 1968 LAKE OSWEGO OR 97035-0058 CONCINNITY CORP 533 BLACKWOOD RD BOZEMAN MT 59718-7604 CONCORDIA SEMINARY 801 DEMUN Ave ST LOUIS MO 63105 CONCRETE ACCESSORIES & EQUIPMENT 6656 FALCON LANE BOZEMAN MT 59718 CONCRETE ACCESSORIES & EQUIPMENT 6656 FALCON Ln BOZEMAN MT 59718 Concrete Accessories & Rental Inc 6656 Falcon Lane Bozeman MT 59718 CONCRETE MATERIALS 3000 W MADISON SIOUX FALLS SD 57118 CONCRETE MATERIALS 3000 W MADISON PO Box 84140 SIOUX FALLS SD 57118 CONCRETE MATERIALS OF MT LLC 219 LAKE Dr BOZEMAN MT 59718 CONCRETE WORKERS INC 4016 AVE F KEARNEY NE 68847 CONDE CIVIC DEV ASS 451 GRANT AVE NE CONDE SD 57434 CONDE SCHOOL PO Box 328 CONDE SD 57434-0328 CONFEDERATED SALISH & KOOTENAI PO Box 278 PABLO MT 59855 Confederated Salish & Kootenai Tribes of the Flathead Nation c o Frederick P Corbit Heller Ehrman White & McAuliffe LLP 701 Fifth Avenue Suite 6100 Seattle WA 98104-7098 Confluence Consulting Inc 211 N Grand Ave Ste E Bozeman MT 59715 Connecticut Department of Revenue Services Department of Revenue Services C&E Division Bankruptcy Section 25 Sigourney Street Hartford CT 06106-5032 CONNELY & PFLUG MD PC 123 W 31ST ST KEARNEY NE 68847 CONNERS CONCRETE PO Box 801 BIG TIMBER MT 59011-0801 CONNIE J HEIMAN PO Box 6667 GREAT FALLS MT 59406 CONNIE P JOHNSON 1507 DEVONSHIRE COURT CHAMPAIGN IL 61821 CONNOLE MORTON REAL ESTATE SCH 415 N HIGGINS AVE STE No20 MISSOULA MT 59802-4522 CONNOLLY BOVE LODGE & HUTZ LLP 1220 MARKET ST WILMINGTON DE 19899 CONOCO PO Box 30198 BILLINGS MT 59107-0198 CONOCO INC 401 S 23RD PO BOX 2548 BILLINGS MT 59103 CONOCO INC 600 N DAIRY ASHFORD PO BOX 2197 HOUSTON TX 77252 Conoco Inc PO Box 2197 Houston TX 77252-2197 Conoco Pipe Line Company 600 N Dairy Ashford Houston TX 77079 CONOCO PIPELINE 600 N DAIRY ASHFORD HOUSTON TX 77079-1175 CONOCOPHILLIPS PO Box 30198 BILLINGS MT 59107-0198 CONOCOPHILLIPS COMPANY 600 N DAIRY ASHFORD HOUSTON TX 77079 CONRAD CHAMBER OF COMMERCE 702 S MAIN ST 1 CONRAD MT 59425-2619 Conrad Construction Co Ltd Rte 70 Box 49 Chinook MT 59701 CONRAD FIRE FIGHTERS ASSOCIATION 15 5TH Ave SW CONRAD MT 59425 CONRAD PRECAST RR 3 BOX 3101 CONRAD MT 59425 CONRAD PUBLIC SCHOOLS 206 N DELAWARE CONRAD MT 59425 CONRAD SAND & GRAVEL REDI MIX INC 2224 US HIGHWAY 91 N CONRAD MT 59425 CONSECO LIFE INSURANCE CO 100 PARK PLACE STE 200 SAN RAMON CA 94583 CONSOLIDATED ELEC DIST INC 1409 BIRCH St HELENA MT 59601-0606 CONSOLIDATED ELEC DIST INC 901 RIVERDRIVE S GREAT FALLS MT 59405 CONSOLIDATED ELEC DIST INC PO Box 1368 BOZEMAN MT 59771-0000 CONSOLIDATED ELECTRICAL DIST INC 700 DEWEY BLVD BUTTE MT 59701 CONSOLIDATED PIPE & SUPPLY 2515 E MATTERHORN FLAGSTAFF AR 86004 CONSOLIDATED PIPE & SUPPLY CO PO Box 2153 BIRMINGHAM AL 35287-3147 CONSOLIDATED PLASTICS CO 8181 DARROW Rd TWINSBURG OH 44087-2375 CONSOLIDATED READY MIX INC PO Box 616 REDFIELD SD 57469 CONSTRUCTION RENTAL INC PO Box 68 SCANDIA KS 66966 CONSUMERS PRESS PO Box 2268 Great Falls MT 59403-2268 CONTINENTAL DIVIDE CHAPTER OF THE PO Box 3142 BUTTE MT 59702-3142 CONTINENTAL DIVIDE GREENHOUSE 1030 S MONTANA BUTTE MT 59701 CONTINENTAL ENERGY SERVICES 103 N WASHINGTON St EASTON MD 21601 CONTINENTAL ENERGY SERVICES INC 24 REDWOOD LN BUTTE MT 59701-4340 CONTINENTAL FENCE 2601 LEXINGTON St BUTTE MT 59701 CONTINENTAL GARDENS 3111 W COLLEGE OFFICE GRAND ISLAND NE 68803-1709 CONTINENTAL INDUSTRIES INC DEPT 90 TULSA OK 74182-0001

CONTINENTAL PUBLICATIONS MANAGEMENT 32 S MAIN St BUTTE MT 59701 CONTINENTAL SAFETY EQUIPMENT 899 APOLLO RD EAGAN MN 55121-2296

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 32 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CONTINENTAL STEEL WORKS PO Box 426 BUTTE MT 59703-0426 CONTINUUM 10920 VIA FRONTERA SAN DIEGO CA 92127 Continuum Bruce Davis 10920 Via Frontera San Diego CA 92127 Contrarian Capital Trade Claims LP Attn Alpa Jimenez 411 West Putnam Ave S 225 Greenwich CT 06830 Contrarian Capital Trade Claims LP as assignee of AT&T Corporation Attn Alpa Jimenez 411 W Putnam Ave Ste 225 Greenwich CT 06830 CONTROL MANAGEMENT INC 6614 N IRVINGTON RD OMAHA NE 61220 CONTROL SERVICES INC 5712 S 85TH CIRCLE OMAHA NE 68127 CONTROL TECHNOLOGIES INC 200 SE 23RD AVE BOZEMAN MT 59718 CONTROLOTRON 4167 MARLIN COURT EAST HELENA MT 59635 Convention Center 1400 8th Ave NW Aberdeen SD 57401 CONVERTER CONCEPTS INC 7373 KIRKWOOD COURT Ste 200 MINNEAPOLIS MN 55440-9658 COOKIES BY DESIGN 2214 W 41ST ST SIOUX FALLS SD 57105 COOKS COLLISION 412 E PARK St ANACONDA MT 59711 COOKS HOME CENTER 404 HIGHWAY 22 E CLEAR LAKE SD 57226 COOKS KITCHEN 304 MAIN AVE BROOKINGS SD 57006 COOKS WASTE PAPER & RECYCLING 1026 34TH AVE BROOKINGS SD 57006-6525 COOKS WASTEPAPER & RECYCL INC PO Box 192 BROOKINGS SD 57006 COONEYS LOCKSMITH 1000 S MAIN BUTTE MT 59701 COONEYS LOCKSMITH 1000 SOUTH MAIN BUTTE MT 59701 COOPER ENERGY SERVICES 10810 NORTHWEST FREEWAY HOUSTON TX 77092 COOPER ENERGY SERVICES 1950 N LOOP AVE CASPER WY 82601 Cooper Energy Services Division of Cameron Cooper Corporation 1950 N Loop Ave Casper WY 82601 COOPER POWER SYSTEMS PO Box 2952 MILWAUKEE WI 53201-5952 COOPERATIVE ADVERTISING PO Box 3386 GREAT FALLS MT 59403 COOPERS PLUMBING & HEATING 614A MAIN AVE S BROOKINGS SD 57006 COP CONSTRUCTION LLC PO Box 20913 BILLINGS MT 59104 COPIER DOCTORS 305 W MERCURY ST BUTTE MT 59701

COPPER CARE WOOD PRESERVATIVES INC PO Box 707 COLUMBUS NE 68602-0707 Copper City Signs 827 S Montana St Butte MT 59701-2835 COPY CENTER 710 N Diers Ave O GRAND ISLAND NE 68803-4954 COPYCAT PRINTING 365 N Broadwell AVE GRAND ISLAND NE 68803 COPYRIGHT CLEARANCE CENTER INC PO Box 843006 BOSTON MA 02284-3006 COR ENTERPRISES INC 200 S 24TH ST BILLINGS MT 59101-4321 CORA LINK 4900 MULLAN RD No3 MISSOULA MT 59808 CORAL SALES COMPANY 9838 SE SEVENTEENTH Ave MILWAUKIE OR 97269-2385 CORDERO MINING COMAPNT 505 S GILLETTE Ave CALLER BOX 3009 GILLETTE WY 82717 CORETTE POHLMAN & KEBE 129 W PARK St BUTTE MT 59703 COREY PITSCH 2931 Springfield Ave Billings MT 59101-6826 CORINNE HASS 540 CHANDON CT WALNUT CREEK CA 94597-7308 CORIXA CORPORATION 553 OLD CORVALLIS RD HAMILTON MT 59840-3131 CORN PALACE SHRINE CLUB PO Box 876 MITCHELL SD 57301 CORN PALACE STAMPEDE INC PO Box 177 MITCHELL SD 57301 CORNERSTONE ACADEMY PO Box 4848 HELENA MT 59604-4848 Cornerstone Propane L P Kirkland & Ellis Attn David J Karp 153 East 53rd Street New York NY 10022-4611 Cornerstone Propane L P Kirkland & Ellis LLP Attn David J Karp 153 East 53rd Street New York NY 10022-4611 Cornerstone Propane Partners L P Kirkland & Ellis LLP Attn David J Karp 153 East 53rd Street New York NY 10022-4611 Cornerstone Propane Partners LP Kirkland & Ellis LLP Attn David J Karp 153 East 53rd Street New York NY 10022-4611 CORNING CABLE SYSTEMS LLC PO Box 65682 CHARLOTTE NC 28265-0682 CORPORATE CARD 7000 VISTA DR DES MOINES IA 50306-9272 CORPORATE EXPRESS PO Box 71217 CHICAGO IL 60694-1217 CORPORATE EXPRESS INC PO Box 71781 CHICAGO IL 60694-1781 CORPORATE PROMOTIONS LTD 3201 1ST AVE S Ste 3 SEATTLE WA 58134 Corporate Services a business unit of American Express Travel Related Services Company Inc Travel Group Service Center 20022 N 31st Ave PO Box 53800 Phoneix AZ 85027 CORPORATE TECHNOLOGY GROUP 910 BROOKS AVE Ste 102 PO Box 9409 MISSOULA MT 59801-9409

CORPORATION FOR THE NORTHERN ROCKIE PO Box 1448 LIVINGSTON MT 59047 CORPORATION OF THE PRESIDING BISHOP PO Box 16204 MISSOULA MT 59808 CORPORATION SERVICE COMPANY PO Box 13397 PHILADELPHIA PA 19101-3397 CORRIGAN WILLIAM 413 SPRUCE ST ANACONDA MT 597112848 CORROSION CONTROL PRODUCTS CO 3825 PARIS ST DENVER CO 80239 CORRPRO COMPANIES INC 11841 E SMITH AVE SANTA FE SPRINGS CA 90670 CORRPRO COMPANY INC 11841 E SMITH AVE SANTA FE SPRINGS CA 90670 CORSCADDEN STEEL CONSTRUCTION HIWAY 2W GLASGOW MT 59230 CORSICA AMERICAN LEGION PO Box 126 CORSICA SD 57328-0126 CORSICA COMMERCIAL CLUB PO Box 108 CORSICA SD 57328 CORSICA DEV CORP 525 S HWY 281 CORSICA SD 57328 CORSICA GLOBE PO Box 45 CORSICA SD 57328 CORTRUST BANK PO Box 60 WEBSTER SD 57274 CORVALLIS HIGH SCHOOL ROBOTICS TEAM 1045 MAIN St CORVALLIS MT 59828 CORVALLIS SCHOOL DISTRICT #1 PO Box 700 CORVALLIS MT 59828 CORY STEELE 138 CALHOUN BUTTE MT 59701 COSTCO WHOLESALE INC PO Box 5220 CAROL STREAM IL 60197-5220 COULOMB LIONEL 8949 ALMQUIST WAY INVER GROVE HEIGHTS MN 550773565 COUNCIL ON STATE TAXATION 122 C St NW Ste 330 WASHINGTON DC 20001-2019 COUNTRY CORNER AMOCO PO Box 194 ESTELLINE SD 57234 COUNTRY FLORIST PO Box 324 ARMOUR SD 57313 Country Genera 2201 SE 6th Ave Aberdeen SD 57401 COUNTRY GIRL FLORAL 218 S 5TH ST MENNO SD 57045

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 33 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country COUNTRY KITCHEN 2050 DAKOTA AVE S HURON SD 57350 COUNTRY KITCHEN 624 COLLEGE DR S DEVILS LAKE ND 58301 COUNTS BILLY 512 NORTHERN PACIFIC AVE BELGRADE MT 597144029 County Auditor 210 E 5th Ave Milbank SD 57252 COUNTY FAIR FOOD STORE 1305 W HAVENS MITCHELL SD 57301 County Genera 1011 CLAUDE ROAD GRAND ISLAND NE 68803 COUNTY WIDE DIRECTORY LLC PO Box 201 INWOOD IA 51240 Courier Dispatch 620 Olson Memorial Hwy Minneapolis MN 55411-4325 COURTESY PLUMBING 206 MAIN AVE S BROOKINGS SD 57006 COWIE CONSTRUCTION INC PO Box 7330 GREAT FALLS MT 59406 COX AUTO SUPPLY INC PO Box 776 YANKTON SD 57078 COYOTE AIR LLC 135 FOXTAIL LANE BUTTE MT 59701 Coyote Air LLC 135 Foxtail Ln Butte MT 59701 COZINE ELECTRIC 405 E KING CHAMBERLAIN SD 57325 COZZENS WARREN & HARRIS P LLP 550 N 31ST Ste 250 BILLINGS MT 59101 CPR INC 23 W MAIN St BELGRADE MT 59714

CPSS CONFERENCE/BANQUET ACCOUNT #75 PO Box 2220 BROOKINGS SD CR Solutions Inc 1717 Black Ave 57 Bozeman MT 59715 CRAFTSMEN FOR CHRIST PO Box 237 DOLAND SD 57436-0237 CRAIG FOLEY 1120 E FRONT BUTTE MT 59701 CRAIG WILLIAMS CREATIVE INC 4742 HOLTS PRAIRIE Rd PICKNEYVILLE IL 62274-0306 CRAIGS WELDING & REPAIR 213 SW 1ST ST MADISON SD 57042 CRANE & HOIST SPECIALISTS PO Box 33 RENNER SD 57055-0033 CRANE MEADOWS NATURE CENTER 9325 S ALDA RD WOOD RIVER NE 68883 CRANSTON PLASTICS 410 S CHURCH ST STEVENSVILLE MT 59870 CRAVATH SWAINE & MOORE WORLDWIDE PLAZA 825 EIGHTH Ave NEW YORK NY 10019-7475 CRAWFORD & COMPANY PO Box 105159 ATLANTA GA 30348-5159 CRAWFORD TRUCKS & EQUIPMENT INC 3601 6TH AVEE SEEE ABERDEEN SD 57401 CREATIVE PRINTING 210 3RD ST SW HURON SD 57350-2403 CREATIVE SURFACES INC 1701 F AVE SIOUX FALLS SD 57118-4611 CREDIT BUREAU OF BUTTE INC 7 E GRANITE BUTTE MT 59702-3705 CREDIT BUREAU OF CENTRAL MONTANA 511 W JANEAUX LEWISTOWN MT 59457 CREDIT BUREAU OF CENTRAL MONTANA 511 W JANEAUX LEWISTOWN MT 59457 CREDIT BUREAU OF CENTRAL MONTANA 511 WEST JANEAUX PO Box 977 LEWISTOWN MT 59457 CREDIT BUREAU OF CENTRAL MONTANA 511 WEST JANEAUX PO Box 977 LEWISTOWN MT 59457 CREDIT BUREAU OF HAVRE 1620 PINE Dr HAVRE MT 59501 CREDIT BUREAU OF HAVRE PO Box 1512 HAVRE MT 59501 CREDIT BUREAU OF KALISPELLINC PO Box 940 KALISPELL MT 59901-0940 CREDIT BUREAU OF MILES CITY PO Box 1205 MILES CITY MT 59301-1205 CREDIT BUREAU OF MISSOULA INC 416 RYMAN MISSOULA MT 59807-7429 CREDIT BUREAU OF NORTH PLATTE 414 E A ST NORTH PLATTE NE 69101 CREDIT BUREAU OF SIOUX FALLS 170 E TOWN ST COLUMBUS OH 43215 CREDIT BUREAU OF SIOUX FALLS PO Box 535595 PITTSBURGH PA 15253-5595 CREDIT COLLECTIONS BUREAU PO Box 9490 RAPID CITY SD 57709 CREDIT MANAGEMENT PO Box 1512 GRAND ISLAND NE 68802 CREDIT MANAGEMENT SERVICES INC 111 W FIRST St Ste 1 GRAND ISLAND NE 68801-6016 CREDIT SERVICE ASSOCIATES 412 E 25TH KEARNEY NE 68848 CREDIT SUISSE FIRST BOSTON 11 MADISON AVE NEW YORK NY 10010 Credit Suisse First Boston as Administrative Agent and a Lende Attention Agency Department Manage Eleven Madison Ave New York NY 10010 3629 CREDIT SUISSE FIRST BOSTON Attn Bruce A Albert Director and Counse One Madison Avenue 9th Floo NEW YORK NY 10010-3629 Credit Suisse First Boston Attn: Rob Loh 11 Madison Ave 21st F New York NY 10010 CREDIT SUISSE FIRST BOSTON One Madison Avenue 9th Floo NEW YORK NY 10010-3629 CREDIT SUISSE FIRST BOSTON Weil Gotshal & Manges LLP Weil Gotsha; & Manges LLP Attn Gary Ticoll Esq 767 Fifth Avenue New York NY 10153

Credit Suisse First Boston Acting through its Cayman Islands Branch as Administrative Agent Attention Agency Department Manager Eleven Madison Ave New York NY 10010-3629 Creditors Bank of New York as Trustee 101 Barclay St New York NY 10286 CREEKSIDE VETERINARY HOSPITAL 8840 CHAPMAN RD BOZEMAN MT 59715 CREIGHTON UNIVERSITY FOUNDATION 2500 CALIFORNIA PLAZA OMAHA NE 68178 CRESA PARTNERS CAPITAL MARKETS 16250 DALLAS PARKWAY DALLAS TX 75248 CRESBARD FIRE DEPARTMENT 105 LOOMIS AVE CRESBARD SD 57435 CRESCENT ELECTRIC PO Box 122 YANKTON SD 57078-0122 CRESCENT ELECTRIC SUPPLY CO 1351 ORANGE Ave HELENA MT 59601-0644 CRESCENT ELECTRIC SUPPLY CO 821 S ARIZONA BUTTE MT 59701 CRESCENT ELECTRIC SUPPLY CO 901 BRIDGER DR BOZEMAN MT 59715 CRESCENT ELECTRIC SUPPLY CO PO Box 1849 GREAT FALLS MT 59403-1849 CRESCENT ELECTRIC SUPPLY CO PO Box 20998 BILLINGS MT 59104-0998 CRESCENT ELECTRIC SUPPLY CO PO Box 500 EAST DUBUQUE IL 61025-4420 CREST NURSING HOME 3131 AMHERST Ave BUTTE MT 59701 CRETEWURX 112 1/2 N MAIN BUTTE MT 59701 CRIST LOCKSMITHING 158 DAKOTA AVE S HURON SD 57350 CRITTER GUARD INC 1208 HULEN DR COLUMBIA MO 65203 CROCKET PAVING PO Box 4946 MISSOULA MT 59806-4946 CROFF EXCAVATING 11 SUN MOUNTAIN DR MONARCH MT 59463 Croft Petroleum Company President 214 N Central Ave PO Box 397 Cut Bank MT 59427 CROSS COUNTRY COURIER PO Box 2555 BISMARCK ND 58502-2555 CROW TRIBAL COUNCIL PO Box 159 CROW AGENCY MT 59022-0159 CROW TRIBE RAILROAD & UTILITY TAX Crowell Weedon & Company Inc c o ADP CROWLEYHAUGHEYHANSONTOOLE PO Box 2529 BILLINGS MT 59103-2529 CRUISIN THE DRAG PO Box 2267 GREAT FALLS MT 59403

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 34 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country CRUTCHER COURT REPORTING PO Box 1192 HELENA MT 59624 CRYSTAL SPRINGS RODEO INC PO Box 47 CLEAR LAKE SD 57226 CSC PO Box 13397 PHILADELPHIA PA 19101-3397 CT CORPORATION SYSTEM 401 2ND AVE S MINNEAPOLIS MN 55401 CT CORPORATION SYSTEM PO Box 4349 CAROL STREAM IL 60197-4349 CTA ARCHITECTS ENGINEERS 1500 POLY Dr BILLINGS MT 59103-1439 CTA ARCHITECTS ENGINEERS 32 6TH Ave HELENA MT 59601 CTA Architects Engineers 32 W Sixth Ave Helena MT 59601 CTA Architects Engineers Rick DeMarinis 32 W Sixth Ave Helena MT 59601 CTC ANALYTICAL SERVICES INC PO Box 711266 CINCINNATI OH 45271-1266 CUB SCOUT PACK 898 PO Box 583 GLASGOW MT 59230 CULIIGAN PO Box 46 MADISON SD 57042 CULLIGAN 801 S SANBORN MITCHELL SD 57301 CULLIGAN PO Box 17 HURON SD 57350 CULLIGAN OF HAVRE PO Box 1366 HAVRE MT 59501-1366 CULLIGAN WATER CONDITIONING 15 SHAWNEE WAY BOZEMAN MT 59715 CULLIGAN WATER CONDITIONING 730 3RD AVE S GLASGOW MT 59230 CULLIGAN WATER CONDITIONING 824 OILFIELD AVE SHELBY MT 59474-1641 CULVER COMPANY INC 104 BRIDGE Rd SALISBURY MA 01950 CULVER TRUCKING 41807 217TH ST IROQUOIS SD 57353 CUMMINS ROCKY MOUNTAIN INC 5151 MIDLAND Rd BILLINGS MT 59107 Cummins Rocky Mountain Inc 5151 Midland Rd Billings MT 59101 CUNNINGHAM BLACKBURN FRANCIS PO Box 2280 GRAND ISLAND NE 68802 CUNNINGHAM ELECTRIC 2821 8TH AVE NE ABERDEEN SD 57401 CUNNINGHAM GAS PRODUCTS PO Box 12249 SPRING TX 77391-2249 CUNNINGHAM LINDSEY CLAIMS MGMT 3910 BROOKSIDE DR TYLER TX 75701 CURRY FOR VP 1204 W WOOLMAN BUTTE MT 59701 CURRYS PO Box 7 VALIER MT 59486 Curt S Tomlinson Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 CURTIS 1000 707 West Country Rd E St Paul MN 55126 CURTIS 1000 707 West Country Rd E St Paul MN 55126 CURTIS 1000 PO Box 687 MISSOULA MT 59806 CURTIS 1000 INC PO Box 64109 ST PAUL MN 55164-0109 CURTIS L KEMPF 199 COLUMBIA HURON SD 57350 Curtis T Pohl 90 Burning Tree Ln Butte MT 59701 CUSIP SERVICE BUREAU PO Box 11326 NEW YORK NY 10277-0224 CUSTODIAL/CASCADE SUPPLY CO 312 1ST Ave S GREAT FALLS MT 59403-1747 CUSTOM FENCE 257 GRANDALE AVE KALISPELL MT 59901 CUSTOM FLOORS 1953 S MONTANA St BUTTE MT 59701 Custom Floors Inc 1953 S Montana St Butte MT 59701 CUSTOM SHEET METAL INC 115 RR AVE SE ABERDEEN SD 57402 Cut Bank Gas Company 403 E Main St Cut Bank MT 59427 CUT BANK SPORTS COMPLEX PO Box 23 CUT BANK MT 59427 CUT RATE HEATINGCOOLINGPLUMB 115 E 1ST AVE MITCHELL SD 57301 CyberTech Incorporated 2755 S Locust Ste 201 Denver CO 80222 CYNTHIA D WENZLAU 745 CANTERBURY RD SAN MARINO CA 91106 D & E PARTS & MACHINE 112 CALUMET AVE DESMET SD 57231 D & M Cable a partnership Douglas J Luebke PO Box 23 Corsica SD 57328 D & N One Stop 201 W King St Chamberlain SD 57325 D & R COFFEE SERVICE INC PO Box 1408 BOZEMAN MT 59715 D & S COMMUNICATIONS INC DEPT 779252 CHICAGO IL 60678-9252 D & S FENCING INC PO Box 4091 BUTTE MT 59702 D GARY KABEARY 2608 SILVER BLVD BILLINGS MT 59102 D Gary Kabeary 2608 Silver Bow Blvd Billings MT 59102 D J & A PC CONSULTING 3203 RUSSELL St MISSOULA MT 59801 D J CLINE* PO Box 5057 BROOKINGS SD 57006 D Luxe Car Wash 602 S Lawson St Aberdeen SD 57401 D Luxe Car Wash Attn Mr Lee Wilson 602 S Lawson St Aberdeen SD 57401 D M AIRPORT DEVELOPERS INC 8 AIRPORT RD MORRISTOWN NJ 07960 D M C M INC 1616 HIGHLAND HELENA MT 59601 D R DURELL CONSTRUCTION 1215 3RD Ave S GLASGOW MT 59230 D&D MOTORSPORTS RACING TEAM 300 N CHERRY LENNOX SD 57039 D&D TRANSPORT REFRIGERATION SERVICE PO Box 30737 BILLINGS MT 59107 D&G Crane Service Inc PO Box 3149 Missoula MT 59806 D&T FABRICATING 1130 SAMPSON BUTTE MT 59701 DA Davidson & Co (Non-ADP) Linda St Germain PO Box 5015 Great Falls MT 59403 DA Davidson & Co 612083204 (Non-ADP) Linda St Germain PO Box 5015 Great Falls MT 59403 DA Davidson & Co 668034200 668033202 668031206 (Non-ADP) Linda St Germain 8 Third St N Great Falls MT 59404 DA Davidson & Co Inc (ADP) c o ADP Dacotah Bank Attn W Schumacher PO Box 1210 Aberdeen SD 57402-1066 DACOTAH BANK PO Box 198 WILLOW LAKE SD 57278 DACOTAH PRAIRIE MUSEUM 21 SE MAIN ST ABERDEEN SD 57401 DAHME CONSTRUCTION CO INC PO Box 407 ABERDEEN SD 57402-0407 Daily Inter Lake 727 E Idaho PO Box 7810 Kalispell MT 59904 Daily Inter Lake Shelley Harland 727 E Idaho PO Box 7810 Kalispell MT 59904 DAKOTA ABSTRACT & TITLE COMPANY INC 627 5TH AVE BROOKINGS SD 57006 dakota aeration 47468 280th St worthing SD 57077 DAKOTA AIR & TOOL 2323 HIGHWAY 12 W ABERDEEN SD 57401 DAKOTA AIR SPRAY HURON MUNICIPAL AIRPORT HURON SD 57350 DAKOTA BEST INC PO Box 311 REDFIELD SD 57469 DAKOTA BOWL 3100 W 41ST ST SIOUX FALLS SD 57105

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 35 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DAKOTA CARPENTRY 1365 KANSAS AVE SE HURON SD 57350 DAKOTA DIRECT CONTROL 5501 W 50TH ST SIOUX FALLS SD 57106 DAKOTA DISC 222 E CAPITOL AVE PIERRE SD 57501-2596 DAKOTA DISC 222 EAST CAPITOL AVE PIERRE SD 57501-2596 DAKOTA DUNES COUNTRY CLUB 960 S DAKOTA DUNES BLVD DAKOTA DUNES SD 57049 DAKOTA ELECTRIC CONSTRUCTION 1550 1ST AVE N FARGO ND 68107 DAKOTA ELECTRONICS 424 BROWN COUNTY 19 S ABERDEEN SD 57401-5530 DAKOTA ENERGY COOPERATIVE INC PO Box 227 MILLER SD 57362 DAKOTA ENERGY COOPERATIVE INC PO Box 830 Huron SD 57350-0830 DAKOTA ENERGY SOLUTIONS 20861 467TH AVE BROOKINGS SD 57006 DAKOTA ENVIRONMENTAL INC PO Box 636 HURON SD 57350 DAKOTA EQUITIES LIMITED PARTNERSHIP 701 E 60TH St N SIOUX FALLS SD 57104 DAKOTA FAMILY PRACTICE 2200 N KIMBALL STE 500 MITCHELL SD 57301 DAKOTA FIRE EQUIPMENT CO PO Box 732 HURON SD 57350 DAKOTA FLUID POWER INC 3500 N ST PAUL AVE SIOUX FALLS SD 57104 DAKOTA GRANITE 301 S MAIN MILBANK SD 57252 DAKOTA HARMONY 1825 UTAH HURON SD 57350 DAKOTA IMAGES 409 UTAH SE HURON SD 57350 DAKOTA LIFE 409 UTAH AVE SE HURON SD 57350 DAKOTA LIGHTNING 1613 BRIDAL Dr MITCHELL SD 57301 Dakota Lodging LTD 2727 SE 6th Ave Aberdeen SD Dakota Lodging LTD Attn Carol Reed 2727 SE 6th Ave Aberdeen SD 57401 DAKOTA MANUFACTURING CO INC 1909 S ROWLEY MITCHELL SD 57301 dakota midland chem dry 1616 s 2nd st aberdeen SD 57401 DAKOTA MINNESOTA & EASTERN 140 N PHILLIPS AVE SIOUX FALLS SD 57101 DAKOTA MINNESOTA & EASTERN 337 22ND AVE S BROOKINGS SD 57006 DAKOTA MOBIL HYDRAULICS 111 30TH Ave BROOKINGS SD DAKOTA OUTDOORS 402 N MAIN ST ABERDEEN SD 57401 DAKOTA PHYSICAL THERAPY 1319 W HAVENS MITCHELL SD 57301 Dakota Plains Surgical Center 701 NW 8th Ave Aberdeen SD DAKOTA PLAZA 375 DAKOTA S HURON SD 57350-2453 DAKOTA PROMOTIONS INC PO Box 476 HURON SD 57350 DAKOTA PUMP INC PO Box 947 MITCHELL SD 57301 DAKOTA RENTAL PO Box 828 HURON SD 57350-0828 DAKOTA RIGGERS & TOOL SUPPLY 704 E BENSON RD SIOUX FALLS SD 57104 DAKOTA ROADHOUSE 1525 W HAVENS MITCHELL SD 57301 DAKOTA ROOFING HC 83 Box 115A Custer SD 57730-9708 DAKOTA SERVICE & REPAIR 214 FRONT ST BROOKINGS SD 57006 DAKOTA SHEET METAL 107 DOUGLAS YANKTON SD 57078 DAKOTA STATE COLLEGE MADISON SD 57402 DAKOTA STATE COLLEGE ARMORY BUSINESS OFFICE MADISON SD DAKOTA STATE UNIVERSITY 820 N WASHINGTON MADISON SD 57042-9987 DAKOTA STATE UNIVERSITY 820 N Washington MADISON SD Dakota State University Mens Baske 820 n Washington Ave madison SD 57042 DAKOTA SUPPLY GROUP 15 N KLINE St ABERDEEN SD 57401 DAKOTA SUPPLY GROUP 2601 3RD AVE N FARGO ND 58102 DAKOTA SUPPLY GROUP 3610 N ST PAUL AVE SIOUX FALLS SD 57104 DAKOTA SUPPLY GROUP PO Box 1029 MITCHELL SD 57301 DAKOTA SUPPLY GROUP PO Box 2886 FARGO ND 58108-2886 DAKOTA TOOL & SURPLUS 919 MAIN AVE S BROOKINGS SD 57006 DAKOTA TWO WAY 1908 W HAVENS MITCHELL SD 57301 DAKOTA VALLEY GRAIN ELEVATOR PO BOX 357 MARION SD 57043-0357 DAKOTA WATER SOFTENING 173 2ND ST SW HURON SD 57350-1905 DAKOTA WESLEYAN UNIVERSITY SUPERINTENDANT OF ELECTRICITY MITCHELL SD 57350 DAKOTA WESLEYN UNIVERSITY 1200 W UNIVERSITY AVE MITCHELL SD 57301-4398 DAKOTALAND AUTO GLASS INC 2001 E 39TH ST N SIOUX FALLS SD 57104 DALE & SHAWONDA LEWIS & CFSC CONST 201 N Broadway Ste 300 BILLINGS MT 59101 DALE A LUIKENS PO BOX 116 MENNO SD 57045 DALE A WEIN BANKRUPTCY TRUSTEE 505 S WASHINGTON ST ABERDEEN SD 57402 DALE PLUMBING & HEATING PO Box 527 GLASGOW MT 59230 Dale T King dba Gregson Creek Geologica 185 Shirley Way Anaconda MT 59711 DALE TALBOTT PO Box 185 SHERIDAN MT 59749 DALES ALIGNMENT SERVICE INC 1006 MAIN Ave SOUTH BROOKINGS SD 57006 DALLAS I HANSON CONSTINC PO Box 235 ORTONVILLE MN 56278 DALTON GIST & DAVID PAOLI HIS ATTY PO Box 8131 MISSOULA MT 59802-8131 DALY NICHOLAS 322 N ALABAMA BUTTE MT 597019030 DAMON DESIGNS INC 155 AUCTION Rd KALISPELL MT 59901 DAN & JERRYS GREENHOUSES INC RR1 MADISON SD DAN DODGE 6937 Black Ridge Dr El Paso TX 79912-7244 DAN FORSSTROM 600 Mary Dr Tea SD 57064-2147 DAN KAPPERMAN RR2 BOX 58 MONTROSE SD 57048 DAN LOWE CONSTRUCTION 630 COBBLE CREEK TRAIL BILLINGS MT 59106 DAN LOWNEY PO Box 1364 MALTA MT 59538 Dan Spoon 501 North Avenue E Missoula MT 59801 DAN THAYER 213 S LOCUST GRAND ISLAND NE 68801 DAN THAYER PO Box 4903 GRAND ISLAND NE 68802-4903 DAN WARD CONSTRUCTION PO Box 302 BRYANT SD 57221 Dan Willard 9000 Midlantic Dr Mount Laure NJ 08054 DANCO ELECTRIC INC 1608 16TH AVE CENTRAL CITY NE 68826 DANIEL C SMILEY 2331 MISSION TRAIL RD KALISPELL MT 59901 DANIEL E HILL PO BOX 260 Alpine AZ 65920-0260 DANIEL INSURANCE AGENCY INC 18 W GALENA ST BUTTE MT 59703-0430

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 36 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DANIEL J BENNETT 415 N HIGGINS Ave MISSOULA MT 59802 DANIEL JOSEPH & JAMES LEE FORTUNE 116075 N BUXTON Rd BUTTE MT 59750-9708 DANIEL JOSEPH FORTUNE & JAMES LEE 116075 N BUXTON RD BUTTE MT 59750-9708 Daniel K Newell 1021 Lantana Circle Sioux Falls SD 57108 Daniel K Newell c o NorthWestern Corporation 125 S Dakota Ave Sioux Falls SD 57104 Daniel Lambros Daniel Lambros c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 E 8th St Ste 200 Wilmington DE 19801 Daniel Lambros c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 E 8th St Ste 200 Wilmington DE 19801 Daniel Lambros Lambros Real Estate 1001 S Higgins Missoula MT 59801 Daniel Lambros Daniel Lambros Lambros Real Estate 1001 S Higgins Missoula MT 59801 DANIEL LORENZETTI 6623 MADISON RD THREE FORKS MT 59729 DANIEL MEASUREMENT & CONTROL INC 9720 OLD KATY Rd HOUSTON TX 77055-6209 DANIEL P LAMBROS 507 W CRESTLINE DR MISSOULA MT 59803-1501 DANIEL T BERUBE 27 CEDAR LAKE BUTTE MT 59701 Daniel T Berube c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Daniel T Berube DANIEL T BERUBE 27 CEDAR LAKE BUTTE MT 59701 DANIEL TRANEL LICENSED PSYCHOLOGIST 5282 NAPLESW AVE SW RIVERSIDE IA 52327 DANMORE STABLES 4035 SQUIRES LANE STEVENSVILLE MT 59870 DANNY A MEIER 3009 LOMBARDI WAY CEDAR PARK TX 78613-4304 DANS TV PO Box 249 MALTA MT 59538 DARBY PUBLIC SCHOOL DISTRICT 209 SCHOOL Dr DARBY MT 59829 DARBY SCHOOL DISTRICT #9 209 SCHOOL Dr DARBY MT 59829 DARCOVA/DRAGON MFG CO INC 514 FOOTE St BILLINGS MT 59101 DARLA JEFFERS 11 COTTONWOOD Rd ROUNDUP MT 59072 DARLENE & ROYAL FALK 100 S BLACK Ave BOZEMAN MT 59715 DARLINGTON MANOR 606 N 5TH BOZEMAN MT 59715 DARLINTON MANOR 605 N 5TH BOZEMAN MT 59715 DAROLD D RUNGE ROUTE #5 BOX 3A GRAND ISLAND NE 68801 DARRELL ECKMAN 40747 209TH CAVOUR SD 57324 DARRELL T PETERSON BOX 10 5 W MAIN CUT BANK MT 59427 DARRELL W & SHARON L CHRISTENSEN 160 SE NINTH St POMPANO BEACH FL 33060-8449 DARRELL W CHRISTENSEN AND 160 SE 9TH ST POMPANO BEACH FL 33060-8449 DARRELS SINCLAIR 4 E HWY 12 GROTON SD 57445 DARRINGTON WATER 801 S SANBORN MITCHELL SD 57301 DARTMOUTH COLLEGE FOUNDATION 6066 DEVELOPMENT OFFICE HANOVER NH 03755 DARTNELL CORPORATION 360 HIATT DR PALM BEACH GARDENS FL 33418 DATA CENTER SYSTEMS INC 1004 E WINDEMERE CT SPOKANE WA 99223-6228 DATA CHEM 960 W LEVOY Dr SALT LAKE CITY UT 84123-2547 DATAMIRROR 3100 ELES AVE E Ste 1100 MARKHAM ON L3R 8T3 Canada DATSOPOULOSMACDONALD & LIND PC 201 W MAIN St MISSOULA MT 59802 DAUBERT ASSOCIATES PO Box 858 HELENA MT 59624 DAVE & YVETTE ANDERSON INC 3703 HARRISON AVE BUTTE MT 59701 DAVE COOK PO Box 564 BROOKINGS SD 57006-9630 Dave DeReu DeReu Snow Removal 419 Margarethe Rd Kalispell MT 59901 DAVE HARVEY 406 W 2ND St PLAINS MT 59859 Dave Hutchison dba Hutchs Electric 1219 W Montana Lewistown MT 59457 Dave Nei 28241 Mound Road Warrem MI 48092 DAVE WAGGONER 2617 1/2 W 24TH ST KEARNEY NE 68847 DAVENPORT EVANS HURWITZ & 513 S MAIN AVE SIOUX FALLS SD 57101-1030 Daves Alignment Service Inc 1006 South Main Ave PO Box 313 Brookings SD 57006 DAVES MARINE INC 420 E HWY 12 WEBSTER SD 57274 DAVES TIRE REPAIR 125 MAIN ST ARMINGTON BELT MT 59412-8309 DAVES WINDOW CLEANING INC PO Box 564 BROOKINGS SD 57006-9680 DAVID & DAISY GRUBER 10 HAAB LANE CLANCY MT 59634 DAVID & JACKIE MCNEIL 404 SE 3RD AVE WARNER SD 57479 David A Monaghan 1607 S Desert Palm PL Broken Arrow OK 74012 DAVID BERNARD STEVENS 502 DEWEY NORTH PLATTE NE 69101 DAVID BERNARD STEVENS 502 S DEWEY NORTH PLATTE NE 69101 DAVID DONGES PO Box 763 BRIDGER MT 59014 DAVID E HOOPS PO Box 462 HURON SD 57350 DAVID FORD 6911 BRISTOL LANE BOZEMAN MT 59715 David G LeVee 7260 NE Earlwood Rd Newburg OR 97132 David Hirshey IRA Rollove 61 East 86th Street Apt 22 New York NY 10028-1034 David Hirshey IRA Rollove The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DAVID J BRECKE PO Box 903 ONEILL NE 68763 DAVID J PATTERSON 1001 E BROADWAY 2 PMB 215 MISSOULA MT 59802 DAVID J PATTERSON 1001 E Broadway No2 PMB 215 MISSOULA MT 59802 DAVID MCGAUGH 36522 156 ST CRESBARD SD 57435 DAVID MITZEL CONSTRUCTION 520 N 2ND ST ABERDEEN SD 57401 DAVID N RYAN 2910 FLORAL BLVD BUTTE MT 59701 DAVID VEEDER PO Box 80946 BILLINGS MT 59108 David W Chapman Glacier Energy Inc PO Box 2090 Cut Bank MT 59427 DAVIES CONSULTING INC 6935 WISCONSIN AVE CHEVY CHASE MD 20815-6901 DAVIS & DAVIS COMPANY PO Box 9922 DENVER CO 80209 DAVIS EXCAVATION 27 TEBAY LANE WHITEHALL MT 59759 DAVIS EXCAVATION 27 TEBAY LANE WHITEHALL MT 59759 DAVIS EXCAVATION 27 TEBAY Ln WHITEHALL MT 59759 DAVIS GRAHAM & STUBBS LLC 1550 SEVENTEENTH St Ste 500 DENVER CO 80202 DAVIS TYPEWRITER CO INC PO Box 416 WORTHINGTON MN 56187 DAVIS WRIGHT TREMAINE 1501 FOURTH Ave SEATTLE WA 98101-1688 DAVISON COUNTY 200 E 4TH MITCHELL SD 57301 DAVISON COUNTY CLERK OF COURTS PO Box 927 MITCHELL SD 57301 DAVISON COUNTY SHERIFF 1015 S MILLER AVE MITCHELL SD 57301-4230

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 37 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DAVISON COUNTY TREASURER 200 E 4TH MITCHELL SD 57301 DAWN DEGREY NEUMANN 602 E SAINT ANDREWS CIRCLE DAKOTA DUNES SD 57049 DAWSON COUNTY PUBLIC POWER DIS PO Box 777 LEXINGTON NE 68850-0777 DAY COUNTY CLERK OF COURTS 710 W 1ST ST WEBSTER SD 57274 DAY COUNTY COMMUNITY HEALTH 710 W 1ST ST WEBSTER SD 57274 DAY COUNTY EXTENSION OFFICE 711 W 1 ST WEBSTER SD 57274-1359 DAY COUNTY MEDICAL CENTER 101 PEABODY DR WEBSTER SD 57274 DAY COUNTY REGISTER OF DEEDS 710 W 1ST WEBSTER SD 57274 DAY COUNTY TREASURER 711 W 1ST ST WEBSTER SD 57274 DAY PLUMBING & HEATING 300 2ND ST SW WATERTOWN SD 57201 DAY TIMERS INC ONE DAYTIMER PLAZA ALLENTOWN PA 18195-1551 DAY TIMERS INC PO Box 6168 LEHIGH VALLEY PA 18001 DAYLIGHT DONUTS 16 3RD AVE SW ABERDEEN SD 57401 DAYS IMPRESSIONS 200 HIGH COUNTRY RD PLAINS MT 59859 DAYS INN OF KEARNEY 619 S 2ND KEARNEY NE 68847 DBS INC 1315 N MAIN ST MITCHELL SD 57301 DC OFFICE OF TAX AND REVENUE 941 N CAPITOL ST NE FL 6 WASHINGTON DC 20002 DC SALES COMPANY INC PO Box 1450 MINNEAPOLIS MN 55485-7626 DDI CUSTOMER SERVICE INC PO Box 400132 PITTSBURGH PA 15268-0132 DE LA SALLE BLACKFEET MIDDLE SCHOOL PO Box 1489 BROWNING MT 59417-1489 DE SMET AREA CHAMBER PO Box 105 DE SMET SD 57231 Deaconess Billings Clinic PO Box 37000 Billings MT 59107 DEACONESS BILLINGS CLINIC FND PO Box 3566 BILLINGS MT 59102 DEACONESS BILLINGS CLINIC SCIENCE 1045 N 30th St BILLINGS MT 59101-0733 DEACONESS BILLINGS FOUNDATION PO Box 3566 BILLINGS MT 59103 DEACONESS HOSPITAL/CLINIC 2825 8TH Ave N BILLINGS MT 59107-1315 DEAN SOUTH 811 BIRCH AVE HELENA MT 59601 DEAN WITTER REYNOLDS INC PO Box 30197 TAMPA FL 33630-3197 DEANA BIGGS 15195 SYCAMORE DR MORGAN HILL CA 95037-9619 DEANS AUTO BODY PO Box 174 ARMOUR SD 57313 DEB PROSTROLLO 1024 TWIN OAKS Dr MADISON SD 57042 DEBBIE ROBINSON 910 S BLACK BOZEMAN MT 59715 DEBEER SMALL ENGINE REPAIR INC 410 6TH AVE S BROOKINGS SD 57006 DEBORA M SCHROEDER* PO Box 235 DOLAND SD 57436 Deborah McWhinney Joseph H Huston Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 DEBORAH REICHMAN PO Box 4059 BOZEMAN MT 59722 DEBRA H HILDERBRAND 2020 W 3RD NORTH PLATTE NE 69101 Debt Acquisition Company of America V LLC 1565 Hotel Cir S 310 San Diego CA 92108 Debt Settlement Associates LLC 3830 Valley Center Dr PMB 705-152 San Diego CA 92130 DECKER ARCHITECTURE PC 415 N HIGGINS AVE Ste 2 MISSOULA MT 59802 Decker Architecture PC 415 N Higgins Ste 2 Missoula MT 59802 DEE AGUILAR 1405 E 6TH GRAND ISLAND NE 68801-2915 DEE SCALABRIN 3470 WHARTON ST BUTTE MT 59701 DEEANN BAUER* PO Box 137 MELLETTE SD 57461-0137 DEEPACK TRIVEDI 600 MARKET ST SW HURON SD 57350

DEER LODGE COUNTY CLERK & RECORDER 800 S MAIN ST ANACONDA MT 59711 DEER LODGE SCHOOL DISTRICT #1 810 DIXON ST DEER LODGE MT 59722 Deering Enterprises dba Total Lawn Care 746 Woodland Ave Kalispell MT 59901 DEERING ENTERPRISES INC 746 WOODLAND AVE KALISPELL MT 59901 DEGIDIO SHEET METAL 803 N GRAND BOZEMAN MT 59715 DEISTER WARD & WITCHER INC 14901 E HAMPDEN AVE Ste 305 AURORA CO 80014 Deister Ward & Witcher Inc 14901 Hampden Ave Ste 305 Aurora CO 80014 DELANEY CLINIC PROFESSIONAL 1115 E 5TH AVE MITCHELL SD 57301-1003 DELANEY VANDER LINDEN DELANEY 21 W 6TH AVE WEBSTER SD 57274 DELAWARE DIVISION OF REVENUE PO Box 8750 WILMINGTON DE 19899-8750 DELBERT MERKEL 523 CROW LANE BILLINGS MT 59101 DELL COMPUTER CORPORATION ONE DELL WAY ROUND ROCK TX 78682 Dell Financial Services PO Box 811550 Chicago IL 60681-1550 DELL FINANCIAL SERVICES PO Box 99355 CHICAGO IL 60693 DELL MARKETING LP DEPT CH14012 PALATINE IL 60055-4012 Dell Marketing LP One Dell Way Round Rock TX 78682 DELLA J WILLIAMS 307 N 5TH ST HAMILTON MT 59840 DELMONT INN 101 S Broadway ST DELMONT SD 57330-0066 DELOITTE & TOUCHE 4205 COLLECTION CENTER Dr CHICAGO IL 60693 DELOITTE & TOUCHE CONSULTING 925 4TH AVE STE 3300 SEATTLE WA 98104-1126 Deloitte & Touche LLP 400 One Financial Plaza 120 S Sixth St Minneapolis MN 55402-1856 DELOITTE & TOUCHE LLP 4205 COLLECTIONS CENTER Dr CHICAGO IL 60693 DELOITTE & TOUCHE LLP PO Box 60000 SAN FRANCISCO CA 94160-2427 DELOITTE & TOUCHE TAX TECHNOLOGIES PO Box 35158 NEWARK NJ 07193-5158 DELOITTE CONSULTING PO Box 847946 DALLAS TX 75284-7946 DELTA DENTAL PLAN OF SOUTH DAKOTA 720 N EUCLID Ave PIERRE SD 57501 DELTAK LLC PO Box 86 MINNEAPOLIS MN 55402 DELUXE BUSINESS FORMS & SUPPLIES PO Box 742572 CINCINNATI OH 45274-2572 DEMPSTERS BODY SHOP PO Box 678 HARLOWTON MT 59036 DEN BESTEN SEED CO INC PO Box 896 PLATTE SD 57369 Deneke Lawn and Tree Service 6824 Medinah Ct Rapid City SD 57702-9529 DENISE DUBELL PO Box 373 PARK CITY MT 59063 DENNING SHEET METAL INC PO Box 188 WHITEFISH MT 59937-0188 DENNIS CRAWFORD 937 W MESETO AVE MESA AZ 85210 Dennis Flath dba APEX Environmenta 365 W River Rock Rd Belgrade MT 59714 Dennis Hoeger dba Hoeger Jackson Associates 216 Summer Cutoff Rd Bozeman MT 59715-8416

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 38 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Dennis Lopach c o NorthWestern Energy 40 E Broadway Butte MT 59701 DENNIS OVITT PO Box 1522 PLAINS MT 59859 DENNIS QUASCHNICK 708 14TH AVE SE ABERDEEN SD 57401 DENNIS R LOPACH 4 CARRIAGE LANE HELENA MT 59601 DENNIS SUPPLY COMPANY PO Box 3376 SIOUX CITY IA 51102 DENNIS W DIETRICH MD 400 15th Ave S Ste No 206 Great Falls MT 59405-4375 DENNIS W ELLIS PO Box 468 BOULDER MT 59632 DENNIS WARNER RT 4 BOX 141 GRAND ISLAND NE DENTON HIGH SCHOOL GEORGE IHLY DENTON MT 59430 DENVER NEWSPAPER AGENCY DEPARTMENT 9109 DENVER CO 80291-9109 DEPARTMENT OF COMMERCE BUILDING CODE HELENA MT 59620-0517

DEPARTMENT OF COMMERCE AND REGULATI 1ST Fl 118 WE CAPITOL Ave PIERRE SD 57501-2000 DEPARTMENT OF EMPLOYMENT SERVICES PO Box 96664 WASHINGTON DC 20090-6664 Department of Energy PO Box 60000 San Francisco CA 94160-1587 Department of Energy Bonneville Power Administration PO Box 3621 Portland OR 97208 Department of Energy Western Area Power Administration Upper Great Plains Region PO Box 35800 Billings MT 59107 DEPARTMENT OF ENVIRONMENT 523 E CAPITOL PIERRE SD 57501-3181 DEPARTMENT OF FINANCE PO Box 9941 LITTLE ROCK AR 72203-9941 DEPARTMENT OF FINANCE & PO Box 9941 LITTLE ROCK AR 72203-9941 DEPARTMENT OF FINANCE AND ADMINISTR PO Box 1272 LITTLE ROCK AR 72203-1272 DEPARTMENT OF INTERIOR PO Box 36800 BILLINGS MT 59107-6800 DEPARTMENT OF LABOR & INDUSTRY PO Box 200517 HELENA MT 59620-0517 Department of Military Affairs Attn Clifford J Zent Aberdeen South Dakota Armory 2823 W Main St Rapid City SD 57702-8186 Department of Revenue 301 Centennial Mall South Lincoln NE 68509 Department of Revenue & Regulation 445 East Capitol Avenue Pierre SD 575013185 Department of Revenue & Taxation 122 W 25th StreetHerschler Bldg Cheyenne WY 820020110

Department of Revenue Internal Revenue Service Internal Revenue Service Room 1150 31 Hopkins Plaza Baltimore MD 21201 Department of Revenue State of Oregon Revenue Building 955 Center Street NE Salem OR 97301-2555 DEPARTMENT OF SOCIAL SERVICES 110 3RD SW HURON SD 57350 DEPARTMENT OF THE INTERIOR PO Box 911 HAVRE MT 59501-0911 DEPARTMENT OF THE INTERIOR BLM 1005 SELWAY Dr DILLON MT 59725 DEPARTMENT OF THE INTERIOR BLM 106 N Parkmont BUTTE MT 59701-7222 DEPARTMENT OF THE INTERIOR BLM 106 N PARKMONT BUTTE MT 59702-3388 DEPARTMENT OF THE INTERIOR BLM 3255 FORT MISSOULA Rd MISSOULA MT 59804-7293 DEPARTMENT OF THE INTERIOR BLM 5001 SOUTHGATE DR BILLINGS MT 59101 DEPARTMENT OF THE INTERIOR BLM PO Box 1160 LEWISTOWN MT 59457-1160 DEPARTMENT OF THE INTERIOR BLM PO Box 36800 BILLINGS MT 59107 DEPARTMENT OF THE TREASURY PO Box 149058 AUSTIN TX 78714-9058 Department of the Treasury - Internal Revenue Service Room 1150 31 Hopkins Plaza Baltimore MD 21201 Department of the Treasury - Internal Revenue Service Internal Revenue Service Room 1150 31 Hopkins Plaza Baltimore MD 21201 Department of the Treasury Internal Revenue Service Internal Revenue Service 31 Hopkins Plaza Rm 1150 Baltimore MD 21201 DEPARTMENT OF TRANSPORTATION PO Box 5895 HELENA MT 59604-5895

Department of Treasury Internal Revenue Service 31 Hopkins Plaza Room 1150 Baltimore MD 21201 DEPARTMENT OF WATER AND POWER OF ASSISTANT GENERAL MANAGER THE CITY OF LOS ANGELES GENERATION PO BOX 111 ROOM 1155 LOS ANGELES CA 90051 DEPENDABLE PRINTING SUPPLY INC 100 W 35TH ST Ste R NATIONAL CITY CA 91950 Dependable Sanitation 1520 Brown County 19N Aberdeen SD 57401 Dependable Sanitation Attn Mike Erickson 1520 Brown County 19N Aberdeen SD 57401 DEPENDABLE SANITATION INC PO Box 378 ABERDEEN SD 57402-0378 Depositoty Trust Company 55 Water St 49th Fl New York NY 10041 Depositoty Trust Company The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Depositoty Trust Company VINCENT G EMME co The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DEPRATU FORD SALES 6331 HWY 93 S WHITEFISH MT 59937 DEPT OF CORRECTIONS 400 CONLEY LAKE RD DEER LODGE MT 59722 DEPT OF EMPLOYMENT SERVICES PO Box 96664 WASHINGTON, D.C. DC 20090-6664 DEPT OF HEALTH & HUMAN SERVICES PO Box 4210 HELENA MT 59604 DEPT OF HEALTH & HUMAN SERVICES PO Box 4210 HELENA MT 59620-4210 DEPT OF INTERIOR MMS ROYALTY 5819 TA DENVER CO 80217 DEPT OF LABOR/DIV OF SAFETY/ PO Box 95024 LINCOLN NE 68509-5024 Dept of Milt Affair 115 S Roosevelt Aberdeen SD Dept of Natural Resources 2705 Spurgin Rd Missoula MT 59801 DEPT OF PSYCHIATRY & BEHAVIORAL SCI 3333 GREEN BAY Rd NORTH CHICAGO IL 60064 DEPT OF PUBLIC HEALTH & HUMAN SERVS PO Box 4210 HELENA MT 59604 DEREK BROWN CONSTRUCTION INC 2705 Broadwater AVE HELENA MT 59602 DEREU SNOW REMOVAL 419 MARGARETHE RD KALISPELL MT 59901 DERMER REFRIGERATION INC 6757 LYNX LANE BOZEMAN MT 59715-9426 DEROSSET COMPANY PO Box 4151 KANSAS CITY KS 66104 DESCENT CONTROL INC PO Box 6405 FORT SMITH AZ 72906 DESMET COMMUNITY SCHOLARSHIP Box K DESMET SD 57231-0157 DESMET PUBLIC SCHOOL ARMORY 405 3RD AVE SW DESMET SD DESNOYERS FAMILY FARM PO Box 206 CLARK SD 57225-0206 DESNOYERS HARDWARE PO Box 206 CLARK SD 57225-0206 DESROSIER MICHAEL PO BOX 2800 BROWNING MT 594172800 DEUEL CO MEMORIAL HOSPITAL 701 3RD AVE S CLEAR LAKE SD 57226-2016

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 39 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DEUEL COUNTY CENEX PO Box 430 TORONTO SD 57268-0430 DEUEL COUNTY CLERK OF COURTS PO Box 308 CLEAR LAKE SD 57226 Deuel County Court House 400 W 4th St Clear Lake SD DEUEL COUNTY GOOD SAMARITAN CENTER 913 COLONEL PETE ST CLEAR LAKE SD 57226 Deuel County Hospita 701 S 3rd Clear Lake SD Deuel County Memorial Hospital & Clinic 701 Third Ave So PO Box 1037 Clear Lake SD DEUEL COUNTY MOTOR SUPPLY INC PO Box 560 CLEAR LAKE SD 57226-0560 DEUEL COUNTY REG OF DEEDS PO Box 616 CLEAR LAKE SD 57226 Deuel County Snow Queen 422 11th St W Clear Lake SD 57226 DEUEL COUNTY TREASURER PO Box 680 CLEAR LAKE SD 57226 Deuel School Dist 194 600 4th Ave Avae Clear Lake SD 57226 DEUTSCH METAL COMPONENTS 1290 HELMO AVE N OAKDALE MN 55128 DEUTSCHE BANK TRUST CO AMERICAS CORPORATE TRUST & AGENCY SERVICES NEW YORK NY 10008 DEUTSCHE BANK TRUST COMP AMERICAS CHURCH St STATION NEW YORK NY 10256-9212 Deutsche Bank Trust Company Americas as Indenture Trustee 60 Wall St MS NYCO60 2720 Attn Stan Burg New York NY 10005 Deutsche Bank Trust Company Americas as Indenture Trustee White & Case LLP 1155 Avenue of the Americas Attn Evan C Hollander Esq New York NY 10036 Deutsche Bank Trust Company Americas, as Indenture Trustee 60 Wall St MS NYCO60 2720 Attn Stan Burg New York NY 10005 Deutsche Bank Trust Company Americas, as Indenture Trustee White & Case LLP 1155 Avenue of the Americas Attn Evan C Hollander Esq New York NY 10036 DEVCO 502 S DEAREY NORTH PLATTE NE 69101-5517 DEVELOPMENTAL DISABILITY PLANNING & ADVISORY COUNCIL HELENA MT 59624-0526 DEWEY BALLANTINE LLP 1301 Ave OF THE AMERICAS NEW YORK NY 10019-6092 DEWEY IRENE 19787 HIGHWAY 12 WESTFIELD IA 51062-8502 DEX MEDIA LLC DEPT 332 DENVER CO 80271-0334 DEXSIL CORPRATION ONE HAMDEN PARK Dr HAMDEN CT 06517 DEXTER MARTIN 629 6TH AVE BROOKINGS SD 57006 DEY DISTRIBUTING INC 1401 WILLOW LAKE BLVD VADNAIS HEIGHTS MN 55110 DEY DISTRIBUTING INC 1401 WILLOW LAKE BLVD PO Box 10698 VADNAIS HEIGHTS MN 55110 DIALYSIS EDUCATION 2800 11TH AVE S GREAT FALLS MT 59405 DIAMOND CONSTRUCTION 2905 N MONTANA AVE HELENA MT 59601 DIAMOND ENGINEERING CO PO Box 1327 GRAND ISLAND NE 68802 DIAMOND PLUMBING & HEATING INC PO Box 5348 KALISPELL MT 59903 Diamond T Bar Inc PO Box 1136 Bozeman MT 59771-1136 DIANA CLIFFORD 1632 1/2 S 6TH ST W MISSOULA MT 59801-3340 Diane Bartley 180 West 58th Street Apt 4E New York NY 10019-2145 Diane Bartley The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DIANES POSIE PATCH 1644 HARRISON AVE BUTTE MT 59701 DICK GALLUP 1026 E 3RD ST REDFIELD SD 57469 DICK GALLUP 1026 E ST REDFIELD SD 57469 DICK IRVIN INC PO Box 950 SHELBY MT 59474 Dick Irvin Inc PO Box 950 Shelby MT 59474-0950 DICK PETERSON 505 1/2 MAIN AVE BROOKINGS SD 57005 DICK PETERSON 505 1/2 MAIN AVE BROOKINGS SD 57006 DICKE TOOL INC 1201 WARREN Ave DOWNERS GROVE IL 60515 DICKEY COUNTY TREASURER PO Box 369 ELLENDALE ND 58436 DICKS BODY SHOP 2021 HAVENS MITCHELL SD 57301 DIESEL DOCTOR TRUCK & AUTO REPAIR 4039 PAXSON BUTTE MT 59701 DIGGER ATHLETIC ASSOCIATION 1300 W PARK St BUTTE MT 59701 DIGGERS BANQUET FUND 140 WEDGEWOOD LN HELENA MT 59601 DIGITAL EQUIPMENT CORPORATION 111 POWDERMILL ROAD MAYNARD MA 60181 DIGITAL POWER GROUP 1615 M ST NW STE 400 WASHINGTON DC 20036 DIGITAL SIGNATURE TRUST CO 255 N ADMIRAL BYRD Rd SALT LAKE CITY UT 84116 DIGITALFOTO PO Box 52005 BOULDER CO 80322-2005 DILGES JASON 7517 S Casea Circle Sioux Falls SD 57108 DILLARDS CONESTOGA MALL GRAND ISLAND NE 68801 DILLEY MANUFACTURING CO INC 215 E THIRD St DES MOINES IA 50309 DILLON DISPOSAL SERVICE PO Box 1334 DILLON MT 59725 DILLON TRIBUNE PO Box 911 DILLON MT 59725 DIMOCK DAIRY PRODUCTS CO DIMOCK SD 57331 DIMOCK FARMERS ELEVATOR PO Box 68 DIMOCK SD 57331 Dina Frank IRA Rollover 219 West 81st Street New York NY 10024-5808 Dina Frank IRA Rollover The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DINERS CLUB PO Box 6003 THE LAKES NV 88901-6003 DIOCESE OF HELENA 530 N EWING ST HELENA MT 59601 DIPHHS IHSB PO Box 202956 HELENA MT 59620-2956 DIRECT DATA MARKET RESEARCH INC 2100 E DEVON AVE Ste 100 ELKGROVE VILLAGE IL 60007 DIRECT SAFETY COMPANY PO Box 44989 MADISON WI 53744-4989 DEPARTMENT OF NATURAL RESOURCES AND DIRECTOR CONSERVATION 1520 SIXTH Ave HELENA MT 59620 DIRECTV PO Box 60036 LOS ANGELES CA 90060-0036 DIRKES CHEVROLET PONTIAC OLDS PO Box 307 FAIRFIELD MT 59436 DIS TRAN PRODUCTS INC PO Box 5109 ALEXANDRIA LA 71307-5109 DISCOVERY HOUSE 703 E THIRD St ANACONDA MT 59711 DISH NETWORK DEPT 0063 PALATINE IL 60055-0063 DISPOSAL SERVICE OF MONTANA PO Box 3508 LEWISTOWN MT 59457 Distribution Construction PO Box 19991 Greensboro NC 27419 Distribution Construction Co 3800 South Holden Road Suite 204 Greensboro NC 27406 Distribution Construction Co 3800 South Holden Road Suite 204 Greensboro NC 27406 DISTRIBUTION CONSTRUCTION CO PO Box 1070 CHARLOTTE NC 28201-1070

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 40 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Distribution Construction Co Attn Fred Cripps President PO Box 19991 Greensboro NC 27419 Distribution Construction Company PO Box 19991 Greensboro NC 27419 DISTRICT #9 SOFTBALL ASSOC PO Box 1076 LEWISTOWN MT 59457 DISTRICT 27 ELLISTON SCHOOL PO Box 160 ELLISTON MT 59728-0160 DISTRICT 9 H R D C 32 S TRACY AVE BOZEMAN MT 59715-4659 DISTRICT IV HRDC 2229 5TH AVE HAVRE MT 59501-5217 DISTRICT IX HRDC 32 S TRACY AVE BOZEMAN MT 59715 DISTRICT VI HRDC 300 1ST AVE N LEWISTOWN MT 59457 DISTRICT VII HRDC PO Box 2016 BILLINGS MT 59103 DISTRICT XI HRDC 1801 S HIGGINS MISSOULA MT 59801 DISTRICT XII HRDC PO Box 3486 BUTTE MT 59701 DITCH WITCH OF MONTANA 7766 THORNTON Dr MISSOULA MT 59808-8466 DITCH WITCH OF NEBRASKA INC PO Box 1565 GRAND ISLAND NE 68802 DITCH WITCH OF SOUTH DAKOTA PO Box 1183 SIOUX FALLS SD 57101 DIVERSIFIED FASTENING SYSTEMS PO Box 339 CHARLES CITY IA 50616 Diversified Transfer & Storage 1720 Lampman Dr Billings MT 59101 DIVERSIFIED TRANSFER & STORAGE PO Box 2552 BILLINGS MT 59103-2552 DIVING BUFFALO RANCH 7 E Airport Rd Billings MT 59105 3017 DIVISION OF EMERGENCY MANAGEMENT 500 E CAPITAL PIERRE SD 57501 DIVISION OF LABOR & MANAGEMENT 700 GOVERNORS DR PIERRE SD 57501-2291 DIXON BATTEEN 37023 157TH ST NORTHVILLE SD 57465 DJ McClure Clark Community Television 519 N Main Redfield SD 57469 DJ&A PC 3203 Russell St Missoula MT 59801 DJS HEATING AC & ELECTRICAL INC 2825 NORTHWEST AVE GRAND ISLAND NE 68803 DLUXE CAR WASH 601 RIVERSIDE DR ABERDEEN SD 57401 DMCM Inc Davis Maintenance 1616 Highland Helena MT 59601 DMJR MANAGEMENT PO Box 716 BOZEMAN MT 59771 DO IT CENTER 1021 N JEFFERS NORTH PLATTE NE 69103 Doble Engineering 85 Walnut St Watertown MA 02472 DOBLE ENGINEERING COMPANY 85 WALNUT ST WATERTOWN MA 02272-9107 DOBLE ENGINEERING COMPANY 85 WALNUT ST WATERTOWN MA 02472 DOCKTER RENTALS* 108 TRUCK ST KIMBALL SD 57355 DOCKTERS ELECTRIC INC 2715 SIOUX CONIFER RD WATERTOWN SD 57201 DOCUCORP INTERNATIONAL INC PO Box 890220 DALLAS TX 75389-0220 Dodge & Cox 415 9811710 FAX 415 9865471 One Sansome St 35th Fl San Francisco CA 94104 Dodge and Cox One Sansome St 35th Fl San Francisco CA 94104 DODGZILLA EXPRESS 204 W MILWAUKEE DEER LODGE MT 59722 DOLAN FELDHAUS 1290 HELMO AVE N OAKDALE MN 55128 DOLAND SCHOOL PO Box 385 DOLAND SD 57436 DOLAND SCHOOL PO BOX 385 DOLAND SD DOLLAR PLUS 1805 HWY 2 W COLUMBIA FALLS MT 59912 DOLLINGER 2499 SW 60TH Ave OCALA FL 34474 DOMESTIC SEED & SUPPLY CO INC GRAIN DIVISION 3RD St MADISON SD DOMESTIC SEED & SUPPLY INC PO Box 466 MADISON SD 57042 DOMINOS PIZZA 25 MARKET ST E HURON SD 57350 Don and Andrea Beer dba Stillwater Excavating PO Box 865 Columbus MT 59019-0865 Don David Farms 75 SHOREVIEW DR COTTONWOOD MN 56229-9780 DON HEALY RR2 BOX 60 MONTROSE SD 57048 DON JAMISON PO Box 634 HARLOWTON MT 59036 DON LYTLE 1505 Railroad AVE HELENA MT 59601 DON MILES ENGRAVING PO Box 4412 BUTTE MT 59703-4412 DON OBERLANDER PO Box 143 Britton SD 57430 DON OR LINDA ARNESS 14943 BRACKETT CREEK RD BOZEMAN MT 59715 DON OVERCAST RR1 BOX 57C CHINOOK MT 59523 DON PETERSON 1600 MC CLELLAN DR HURON SD 57350-1803 DON R WARNKEN PO Box 753 SUPERIOR MT 59872 DON SHAFER DISPLAY INC 1325 PARK Ave OMAHA NE 68105 DON SPRAKEL 207 ANCHOR DR YANKTON SD 57078 DON STEVENS INC 980 DISCOVERY RD ST PAUL MN 55121 DON W LAIS 1960 COLORADO GULCH Dr HELENA MT 59601 DONALD FRED JENNI ROUTE 2 BOX 2228 LEWISTOWN MT 59457 DONALD GULL 491 SOUTHSIDE Rd SUPERIOR MT 59872 DONALD J PETERS PO Box 3102 MISSOULA MT 59806 DONALD K PETERSON PO Box 1244 BIG FORK MT 59911 Donald L Collins Sr 446 Retford Dr Seveira Park MD 21146 Donald L Collins Sr The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DONALD L CRAIG 3923 VICTORY CIR 23 BILLINGS MT 59102-5936 DONALD M LEUSCHEN 34 RIVERSIDE DR BOZEMAN MT 59715-9345 Donald M Leuschen c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 E 8th St Ste 200 Wilmington DE 19801 Donald M Leuschen DONALD M LEUSCHEN 34 RIVERSIDE DR BOZEMAN MT 59715-9345 Donald N Martin 606 Avenida Sevilla Unit P Laguna Woods CA 92653-4502 Donald N Martin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Donald O Pearson 1166 Belgrade Dr Parker CO 80138 DONALD P SESTERHENN 4508 95TH ST URBANDALE IA 50322-1456 Donald Prouty Grain Dryer RR 1 Box 108 Bryant SD 57221 DONALD TAYLOR RR1 BOX 2104 ROBERTS MT 59070 DONALDSON BROTHERS READY MIX INC 477 US HIGHWAY 93 HAMILTON MT 59840-9444 DONEY CROWLEY BLOOMQUIST & UDA PC 44 W 6TH AVE HELENA MT 59624-1185 DONNA BENNER 825 13TH ST W HAVRE MT 59501 DONNA CONLEY & SNYDER LAW OFFICE PO Box 717 BIGFORK MT 59911

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 41 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DONNA L KNOUSE* 1142 8TH ST SW HURON SD 57350 Donna M Hull 505 N 29th Pl Yakima WA 98902-1077 Donna M Hull The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Donna M Stefan 116 Cedar St Narvon PA 17555 Donna M Stefan The Depository Trust Company 55 Water St 49th Fl New York NY 10041 DONNA ROTH 153 DALY HAMILTON MT 59840 DONNY SEDIVY 207 S COOKE ST HELENA MT 59601-5143 DONS WELDING MACHINE PO Box 295 ROUNDUP MT 59072 DONUT HOLE OF HELENA 20 E LYNDALE ST HELENA MT 59601-2915 DOOR SYSTEMS OF MONTANA INC 1313 BIRCH St HELENA MT 59601 DORIAN SOFTWARE CREATIONS INC PO Box 724846 ATLANTA GA 31139 DORLEC CORPORATION 3 HAYNES CREEK LANE MEDFORD NJ 08055 DOROTHY FAULKNER 420 S BUFFALO BILL AVE NORTH PLATTE NE 69101-4825 DOROTHY MADDOX PO Box 98 BRIDGER MT 59014 DOROTHY MITCHELL 615 FAIRVIEW AVE MISSOULA MT 59801 DOROTHY OLDS 2205 4TH AVE N GREAT FALLS MT 59401 DORSEY & WHITNEY LLP PO Box 1680 MINNEAPOLIS MN 55480-1680 DOSSERT CORPORATION 500 CAPTAIN NEVILLE Dr WATERBURY CT 06705-0309 DOT 700 E Broadway AVE PIERRE SD 57501-2586 DOUBLE D BODY SHOP 421 N 3RD ST ABERDEEN SD 57401 DOUBLE G ENGRAVING 612 2nd St S GREAT FALLS MT 59405-1835 DOUBLE TREE INN 100 MADISON MISSOULA MT 59802 DOUBLETREE HOTEL MISSOULA 100 MADISON MISSOULA MT 59802

DOUG AND CHERYL SUNNE MILBANK OFFICE 47770 LINDEN BEACH RD CORONA SD 57227 DOUG ANDERSON 103 IMPERIAL WAY MISSOULA MT 59803 DOUG BOUTILIER PO Box 6013 HELENA MT 59601-6013 DOUG HEIDINGER 26757 COUNTRY ACRE Dr SIOUX FALLS SD 57106 DOUG HOGG 36188 164TH ST MIRANDA SD 57438 DOUG KIENENBERGER PO Box 1262 MALTA MT 59538-1262 DOUG MORIARITY 711 JEFFERSON MANHATTAN MT 59741 DOUG SUNNE 224 E FOURTH AVE MILBANK SD 57252 DOUG UTHE CPA 1517 S MINNESOTA AVE SIOUX FALLS SD 57105 DOUGLAS COUNTY ALLIANCE 708 8TH ST ARMOUR SD 57313 DOUGLAS COUNTY AUDITOR PO Box 159 ARMOUR SD 57313 DOUGLAS COUNTY PUBLIC HEALTH 708 8TH ST ARMOUR SD 57313 DOUGLAS COUNTY PUBLISHING PO Box 129 ARMOUR SD 57313 DOUGLAS COUNTY TREASURER PO Box 68 ARMOUR SD 57313 DOUGLAS DRONEN 1314 SHIRLEY RD HELENA MT 59602-6635 DOUGLAS JOHNSON 1111 N 3RD ST ABERDEEN SD 57401-1925 Douglas Nelson And Shila Fishe Travis W Kinzler Michael D Cok Cok Wheat Brown Mcgarry Bidegaray PLLP 35 N Bozeman PO Box 1105 Bozeman MT 59771-1105 DOUGS CONCRETE SAWING PO Box 1071 PLATTE SD 57369 DOUMA CONSTRUCTION 2157 CAMERON BRIDGE Rd W BOZEMAN MT 59718 DOUMA CONSTRUCTION 2157 CAMERON BRIDGE Rd WEST BOZEMAN MT 59718 Douma Construction 2157 W Cameron Bridge Rd W Bozeman MT 59718 DOW JONES & COMPANY PO Box 4137 NEW YORK NY 10261 DOWNING CO 1700 E HIGHWAY 30 KEARNEY NE 68848-0733 DOWNTOWN ASSOCIATION PO Box 1405 NORTH PLATTE NE 69103-1405 DOWNTOWN BILLINGS ASSN INC 2910 3RD AVE N BILLINGS MT 59101-2043 DOWNTOWN BROOKINGS INC 308 4TH ST BROOKINGS SD 57006 DOWNTOWN EXCHANGE CLUB OF BILLINGS PO Box 808 BILLINGS MT 59103 DPC INDUSTRIES INC PO Box 200129 HOUSTON TX 77216-0129 DR AELRED J KURTENBACH PO Box 5128 BROOKINGS SD 57006 DR DAVID BALDRIDGE 2300 12TH AVE S GREAT FALLS MT 59405 DR DAVID HEALOW 652 PARK LANE BILLINGS MT 59102-1931 Dr David Healow Montana Margina 652 Park Lane Billings MT 59102-1931 DR MARK BELYEA 118 3RD ST HURON SD 57350 DR RAVI KAPUR 118 3RD ST SE HURON SD 57350 DR RICHARD K BUNGER 401 N EDDY GRAND ISLAND NE 68802 DR ROBERT D JOHNSON 1712 DAKOTA S HURON SD 57350 Dr Thomas Berbos 1900 NW 40th Ave Aberdeen SD 57401 DR UNDERGROUND UTILITY LOCATIN 38392 132ND ST ABERDEEN SD 57401 DR VINCENT MENG 2831 FORT MISSOULA RD MISSOULA MT 59804 DRAMSTAD REFRIGERATION & ELECT 133 3RD ST SE HURON SD 57350 DREAM ADAPTIVE RECREATION INC 767 N MERIDIAN RD KALISPELL MT 59901 DREAM ADAPTIVE RECREATION INC PO Box 4084 WHITEFISH MT 59937 DREAM DANCERS DANCE STUDIO 1596 EAGLE DR KALISPELL MT 59901 DRESSER INC METERS PO Box 201234 DALLAS TX 75320-1234 DRESSER INC MOONEY CONTROLS 40 W Bregson Ave Salt Lake City UT 84115 DRESSER MEASUREMENT 41 FISHER AVE BRADFORD PA 16701 DRESSER MEASUREMENT PO Box 42176 HOUSTON TX 77242 DRESSER MEASUREMENT OPERATIONS DIVISION DRESSER INDUSTRIES HOUSTON TX 77242 DRESSER MEASUREMENT OPERATIONS DIVISION DRESSER INDUSTRIES PO Box 42176 HOUSTON TX 77242 DRESSER MEASUREMENT OPERATIONS PO Box 1761 WILLISTON ND 58802-1761 DREW INDUSTRIAL 371709M PITTSBURGH PA 15251 Dreyfus Service Corporation 144 Glenn Curtiss Blvd Uniondale NY 11556-0144 Dreyfus Service Corporation Attn Manager and Lega 144 Glenn Curtiss Blvd Uniondale NY 11556 Drillworx LLC 5103 Eastside Hwy Stevensville MT 59870-6686 DRS MCBRIDE & MCBRIDE OPTOMETRISTS 2120 GRAND Ave BILLINGS MT 59102 Drummond Cable TV PO Box 265 Cowley WY 82420 DRUMMOND COMMUNITY HALL PO Box 1 DRUMMOND MT 59832 DRUMMOND HIGH SCHOOL PO Box 349 DRUMMOND MT 59832

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 42 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country DTC 125 SE DAKOTA AVE SIOUX FALLS SD 57104 DTN FARMDAYTA 9110 W Dodge Rd Ste 200 Omaha NE 68114-3316 Duane Floyd Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 DUAYNE JONES TRUCKING PO Box 2951 COLUMBIA FALLS MT 59912 DUCKS UNLIMITED 316 N PARK Ave HELENA MT 59601 DUCKS UNLIMITED 600 FRONTIER DR NORTH PLATTE NE 69101 DUCKS UNLIMITED PO Box 1465 GRAND ISLAND NE 68802 DUCKS UNLIMITED MITCHELL 200 S KIMBALL MITCHELL SD 57301 DUECO INC PO Box 1170 MILWAUKEE WI 53201-1170 DUELIN DETAILS 5600 8TH AVE S GREAT FALLS MT 59405 Duff & Phelps LLC PO Box 150471 Hartford CT 06115-0471 DUKE ENERGY TRADING & MARKETING Lisa J Mellencamp 5400 Westheimer Ct Houston TX 77056-5310 DUKE POWER COMPANY PO Box 1244 CHARLOTTE NC 29202-1904 DULMISON INC W62 N 551 WASHINGTON AVE CEDARBURG WI 53012 DULUTH TRADING CO 170 COUNTRYSIDE DR BELLEVILLE WI 53508 DUN & BRADSTREET PO Box 3734 NEW YORK NY 10008-3734 DUNBAR SALES ASSOCIATES PO Box 61778 SUNNYVALE CA 94088 DUNCAN RANCH COL PO Box 248 HARLOWTON MT 59036 DUNNE COMMUNICATIONS INC 204 E COMMERCIAL ANACONDA MT 59711 DUNNE COMMUNICATIONS INC 204 E COMMERCIAL PO Box 97 ANACONDA MT 59711 DURA LINE CORPORATION PO Box 866 BOTHELL WA 98041 DURR JANA HCR 83 Box 133F Custer SD 57730 DUST TEX SERVICE INC 2200 N WESTPORT AVE SIOUX FALLS SD 57107-0717 Dustcoating Inc 7217 W 128th St Savage MN 55378 DUSTYS SPRINKLER SERVICE PO Box 473 BLACK EAGLE MT 59414-0473 DUTCHS 823 SISTH AVE SW ABERDEEN SD 57401 DUTT JACOB 103 S HIGH ABERDEEN SD 57401 DUVOICE CORPORATION 608 STATE ST STE 100 KIRKLAND WA 98033 DWIGHT W MILLS & BARBARA J MILLS 1000 SECOND St ARMOUR SD 57313 DXP Enterprises Inc PO Box 1697 Houston TX 77251-1697 DXP STRATEGIC SUPPLY PO Box 201902 HOUSTON TX 77216-1902 DXP/STRATEGIC SUPPLY PO Box 201902 HOUSTON TX 77216-1902 DYCE CHEMICAL 135 S LASALLE DEPT 3174 CHICAGO IL 60674-3174 DYCE CHEMICAL INC 1353 TAYLOR PLACE BILLINGS MT 59107-0176 DYKSTRA BODY SHOP 26967 449TH AVEE MARION SD 57043 DYMEC INC 25 COMMERCE WAY NORTH ANDOVER MA 01845 DYNA SYSTEMS PO Box 655326 DALLAS TX 75265 DYNAMIC GRAPHICS INC 6000 N FOREST PARK DR PEORIA IL 61656-1901 Dynergy Energy Services Regional Sales Manager 13555 SE 36th St Ste 105 Bellevue WA 98006 E 1 TOWING & REPAIR INC 1715 HWY 2 E HAVRE MT 59501 E COMMERCE GROUP PRODUCTS INC PO Box 2124 ENGLEWOOD CO 80150-2124 E J BROOKS PO Box 475 LIVINGSTON NJ 07039-1602 E J BROOKS COMPANY PO Box 475 LIVINGSTON NJ 07039-1602 E J REDDING 3465 YORK RD HELENA MT 59602 E L M INVESTMENTS LLC 619 SW WATER ST STE 3C PEORIA IL 61602 E MAX INSTRUMENTS INC 13 INVERNESS WAY S ENGLEWOOD CO 80112 E O Johnson Motor Howard Johnson 801 Auto Plaza Dr Aberdeen SD 57401 E Trade Securities LLC c o ADP E Z PRODUCTS 610 E KENNETH AVE SPEARMEAN TX 79081 E*TRADE BUSINESS SOLUTIONS PO Box 989032 WEST SACREMENTO CA 95798-9859 EAGLE COMMUNICATIONS INC PO Box 5268 MISSOULA MT 59801 EAGLE ELECTRIC INC 2105 N MAIN HELENA MT 59604 EAGLE ELECTRIC INC PO Box 5324 HELENA MT 59604 EAGLE FALLS MENS GOLF ASSOCIATION PO Box 15 GREAT FALLS MT 59403 EAGLE FENCE INC 99 HIGH PLAINS Rd BELGRADE MT 59714-8370 EAGLE LANDSCAPING 542 KLENCK LANE BILLINGS MT 59101 EAGLE LANDSCAPING Attn Jessie Adams 542 KLENCK Ln BILLINGS MT 59101 EAGLE MANOR #2 715 FEE ST HELENA MT 59601 EAGLE OIL & GAS 2525 KELL BLVD 510 WICHITA FALLS TX 76308 EAGLE PACIFIC INDUSTRIES INC PO Box 3395 OMAHA NE 68103 EAGLE RESEARCH CORPORATION 4036 TEAYS VALLEY Rd SCOTT DEPOT WV 25560 EAGLE RESEARCH CORPORATION AMERICAN METER COMPANY PRODUCT DEVELOPMENT & ENGINEERING 4036 TEAYS VALLEY ROAD PO BOX 668 SCOTT DEPORT WV 25560 EAGLE SATELLITE BUTTE INC 601 E FRONT ST BUTTE MT 59701-5211 EAGLE STUD MILL 52 FARM TO MARKET HALL MT 59837 EAKES OFFICE PLUS PO Box 2098 GRAND ISLAND NE 68802-2098 EAPDIS LLC 6491 MOCKINGBIRD LANE MANASSAS VA 20111-4311 EARHART THOMAS 512 LOCUST ST ANACONDA MT 597112927 Earl Monaco Natural Gas Services Inc PO Box 997 Missoula MT 59802 Earl Monaco dba Natural Gas Services 2531 Krysty Dr Missoula MT 59801 EARLS WELDING AND INDUSTRIAL SUPPL 1002 Industrial Dr S Sauk Rapids MN 56379-1241 EARTH AND WOOD 3174 US HIGHWAY 93 N STEVENSVILLE MT 59870 EARTH SATELLITE CORPORATION 6011 EXECUTIVE Blvd Ste 400 ROCKVILLE MD 20852 EARTHLINK INC PO Box 530530 ATLANTA GA 30353-0530 EAST HELENA RENTAL LLC 3500 HWY 12 E EAST HELENA MT 59635 EAST MAN FEEDS USA LTD 1801 N CLIFF AVE SIOUX FALLS SD 57103 East Ridge Rentals LLC 226 E Broadway Butte MT 59701 East River Electric Cooperative Inc MADISON SD 57042 EAST RIVER ELECTRIC MGR TELECOMMUNICATIONS & CONTROL DEPT PO BOX DRAWER E MADISON SD 57042 EAST RIVER ELECTRIC POWER Box E MADISON SD 57042

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 43 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country EAST RIVER ELECTRIC POWER COOPERATIVE PO BOX 31 MADISON SD 57042 EAST RIVER ELECTRIC POWER COOPERATIVE INC 121 SE 1ST St MADISION SD 57042 EAST RIVER ELECTRIC POWER COOPERATIVE INC PO Box 227 Madison SD 57042 EAST RIVER HEALTH CARE INC 115 2ND SE DESMET SD 57231 EAST RIVER NURSERY 5659 DAKOTA AVE S HURON SD 57350 East Side Coin Laundry 1601 SE Sixth Ave Aberdeen SD 57401 East Side Coin Laundry Box 608 Aberdeen SD 57401 East Side Laundry Attn Frank Dixon 1601 SE Sixth Ave Aberdeen SD 57401 EASTER SEAL 4400 CENTRAL Ave GREAT FALLS MT 59405 EASTERN WASHINGTON UNIVERSITY 127 HARGREAVES HALL CHENEY WA 99004-2413 EASTGATE WATER & SEWER USERS PO Box 120 EAST HELENA MT 59635 EASTMAN KODAK COMPANY 800 LEE Rd ROCHESTER NY 14650-0803 EASTSIDE CARWASH E HWY 12 MILBANK SD 57252 EBL & S PROP MGM CORP 230 S BRd ST PHILADELPHIA PA 19102 Eby & Associates Inc PO Box 7144 Kalispell MT 59901 EBY & ASSOCIATES LLC PO Box 7144 KALISPELL MT 59901 ECHOTECH GEOPHYSICAL INC PO Box 250 MISSOULA MT 59806-0250 ECI 3521 GABEL RD BILLINGS MT 59102 ECKERD HEALTH SERVICES PO Box 371727 PITTSBURGH PA 15251-7727 ECOLAB PEST ELIM DIV PO Box 6007 GRAND FORKS ND 58206-6007 ECOLAB PEST ELIMINATION DIVISION PO Box 6007 GRAND FORKS ND 58206-6007 Ecolab Pest Elimination Division PO Box 6007 Grand Forks NC 58206-6007 ECOLAB PEST ELIMINATION SERV PO Box 6007 Grand Forks ND 58206 ECOLIGHTS NORTHWEST LLC PO Box 94291 SEATTLE WA 98124 Ecommerce Group Products Inc Attn President Darren Manelsk PO Box 2124 Englewood CO 80150 ECONO EXPORT PROS INC 3209 G WELLINGTON COURT PO Box 19862 RALEIGH NC 27615 ECONO EXPORT PROS INC 3209G WELLINGTON COURT RALEIGH NC 27615 ECONO FOODS NASH FINCH 3420 W STATE GRAND ISLAND NE ECONO PRINT 3211 1ST AVE N BILLINGS MT 59101-2193 ECONOFOODS PO Box 355 Minneapolis MN 55440-0355 ECONOMART 1721 6TH ST BROOKINGS SD 57006-1605 ECONOMIC INSIGHT INC 3004 S W FIRST AVE PORTLAND OR 97201 ECONOMY EXCAVATING&LANDSCAPING PO Box 2846 MISSOULA MT 59806-2846 ECONSULT 1005 16TH BUTTE MT 59701 ECOWATER SYSTEM INC PO Box 91749 CHICAGO IL 60693-1749 Ed Benson 6024 Plumas St No G Reno NV 89509 Ed Boland Construction Inc dba Boland Drilling Company 4601 7th Ave S Great Falls MT 59405 ED DENNEHY FLOORING CONSTRACTR 2720 EVANS St BUTTE MT 59701 Ed Guza 3516 Wappato Ct Bozeman MT 59718 ED HATTEN PO Box 1936 COLSTRIP MT 59323 Ed Schlarick Grizzly Corporation Fence Division 1720 S 3rd W Missoula MT 59801-2246 ED SOUTHWICK 6130 N MONTANA AVE HELENA MT 59602 ED WADDELL PO Box 134 Livingston MT 59047-0134 EDGAR ONLINE INC 50 WASHINGTON St 9TH Fl NORWALK CT 06854 EDGE LEARNING INSTITUTE OF MT 22 YERGER RD ABSAROKEE MT 59001 EDISON ELECTRIC INSTITUTE 701 PENNSYLVANIA Ave NEWE WASHINGTON DC 20004-2696 EDISON INSTITUTE INC 175 LAKESIDE BLVD STE 15334 LANDING NJ 07850 EDM INTERNATIONAL INC 4001 AUTOMATION WAY FORT COLLINS CO 80525-3479 EDMISTON & SCHERMERHORN LAW FIRM 310 GRAND AVE BILLINGS MT 59101 EDMOND D BENIGER 1007 SIOUX RD HELENA MT 59602 EDMUNDS COUNTY SHERIFF 210 2ND AVE IPSWICH SD 57451 EDMUNDS COUNTY TREASURER PO Box 68 IPSWICH SD 57451 EDNA YEO 100 SWEET MEADOWS Rd BUTTE MT 59701 EDS MACHINE SHOP 720 E 8TH ST WEBSTER SD 57274 EDWARD & JODY DALLASERRA 5187 SKALKAHO Rd PHILIPSBURG MT 59858 Edward Dickol 66 Evergreen Dr PO Box 190 Honey Brook PA 19344 Edward Goon & Christine Wen Lok Goon 14 Woodland CIR Manalapan NJ 07726-3204 Edward Goon & Christine Wen Lok Goon The Depository Trust Company 55 Water St 49th Fl New York NY 10041 EDWARD H DICKOL 66 Evergreen Dr PO Box 190 Honey Brook PA 19344 Edward Jones c o ADP EDWARD POPPEN 19738 429TH AVE DESMET SD 57231 Edward W Strong 507 Maple St Roseto PA 18013 EDWARDS & ASSOCIATES INC GENERAL DELIVERY BLACK EAGLE MT 59414-9999 EDWARDS JOHN 2804 HARMONY CT MISSOULA MT 598018338 EDWARDS LAW FIRM LTD TRUST ACCOUNT 1601 LEWIS Ave Ste 206 BILLINGS MT 59104-0039 EEI 701 PENNSLYVANIA AVE NW WASHINGTON DC 20004-2696 EEI ONLINE EDISON ELECTRIC INSTITUTE 701 PENNSYLVANIA AVE NW WASHINGTON DC 20004-2696 EENHIUS JERRY 2943 Henesta Dr BILLINGS MT 59102 EES CONSULTING INC PO Box 52810 BELLEVUE WA 98015-2810 eEYE DIGITAL SECURITY ONE COLUMBIA Ste 100 ALISO VIEJO CA 95656 EGGERS CONSULTING CO INC 11272 ELM St OMAHA NE 68144 EIG PALACE LLC 111 E WAYNE ST STE 500 FT WAYNE IN 46802 EILEEN PHILLIPS 109 S EXCELSIOR ST BUTTE MT 59701 EIS INC 3715 NORTHSIDE PRKWY NW ATLANTA GA 30327 EISENBRAUN & ASSOCIATES 203 W 3RD ST YANKTON SD 57078 EJ BROOKS COMPANY 8 MICROLAB Rd LIVINGSTON NJ 07039 EJS CLEANING 235 KANSAS SE HURON SD 57350 EKERN PLUMBING HEATING & AC 815 2ND ST S BROOKINGS SD 57006

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 44 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country EKSTROM INDUSTRIES 23847 INDUSTRIAL PARK DR FARMINGTON HILLS MI 48335 EKSTROM INDUSTRIES INC 23847 INDUSTRIAL PARK Dr FARMINGTON HILLS MI 48335 EKSTROM INDUSTRIES INC 23847 INDUSTRIAL PARK DR FARMINGTON HILLS MI 48335-2860 EL RIAD SHRINE CIRCUS 219 N Broadway MARION SD 57043 ELDON E STARK 415 9TH AVE NO FAULKTON SD 57438 Eleanor B Green Trust 241 CENTRAL PARK W APT 14E NEW YORK NY 10024 ELECTRIC CITY HARMONY 2925 5B ST NE GREAT FALLS MT 59404 ELECTRIC CITY HEAT ASA PO Box 589 GREAT FALLS MT 59403 ELECTRIC CITY LIONS CLUB 600 CENTRAL PLAZA No19 GREAT FALLS MT 59401 ELECTRIC FIXTURES & SUPPLY CO 898DTS OMAHA NE 68101 ELECTRIC MOTOR & PUMP REPAIR 2098 HICKORY DR B BILLINGS MT 59101-6738 ELECTRIC MOTOR & PUMP REPAIR 2098 HICKORY DR NoB BILLINGS MT 59101-6738 ELECTRIC MOTORS & MOORE INC 823 54TH ST SW WATERTOWN SD 57201 ELECTRIC UTILITY SERVICE 13009 LOS NIETOS RD NoM SANTA FE SPRINGS CA 90670-3032 ELECTRIC UTILITY SUPPLY CO 4100 30TH AVE S MOORHEAD MN 56561-0160 ELECTRICAL CONSULTANTS INC 3521 GABEL RD BILLINGS MT 59106 Electrical Consultants Inc 3521 Gabel Rd Billings MT 59102-7303 Electrical Consultants Inc 3521 Gabel Rd Billings MT 59102-7307 ELECTROLINE CORP 6182 EASTON RD PIPERSVILLE PA 18947 ELECTROMARK COMPANY 6188 W PORT BAY Rd WOLCOTT NY 14590-0025 ELECTRONIC CONTROLS & 100 MAIN ST HUMBOLDT SD 57035 ELECTRONIC SUPPLY COMPANY 250 ELEVENTH St W BILLINGS MT 59104-0556 ELECTRONIC SYSTEMS INC 245 W 2nd St HASTINGS NE 68901 5238 ELECTROSWITCH 10532 NE 68TH ST STE 208 KIRKLAND WA 98033 ELECTROTECH INC 3268 WINPARK Dr MINNEAPOLIS MN 55427 ELEMENT K PO Box 23809 ROCHESTER NY 14692-3809 ELITE BROKERAGE SERVICES INC 191 SHEREE BLVD EXTON PA 19341 ELITE BUSINESS SYSTEMS INC PO Box 88232 SIOUX FALLS SD 57109 Elite Underwriting Services American Fidelity Insurance Co 609 3991721 FAX # 6093991719 191 Sheree Blvd Exton PA 19341 Elizabeth Becker 217 Berkeley Place Brooklyn NY 11217-3801 Elizabeth Becker The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ELIZABETH M LUCE & RICHARD A RAMLER 202 W MADISON BELGRADE MT 59714 ELK RIVER CONCRETE CO PO Box 1180 HELENA MT 59624 ELKHORN PETROLEUM RECYCLERS INC PO Box 9289 MISSOULA MT 59807 ELKHORN WELDING & FAB 945 SUNNY VISTA HELENA MT 59602 ELKS CLUB BPOE #1490 PO Box 266 BROOKINGS SD 57006 ELKS LODGE 110 3RD AVE N E CUT BANK MT 59427 Ellen M Senecha Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 ELLEN PHILIP ASSOCIATES INC 134 W 26TH ST NEW YORK NY 10001 ELLIS GOOD SAMARITAN CENTER 1101 SPRUCE ST ELLIS KS 67637-1799 ELLISON REPAIR SERVICE 3301 W BABCOCK BOZEMAN MT 59715 ELLS SHEET METAL 901 E 2ND St REDFIELD SD 57469 ELM VALLEY CONSTRUCTION PO Box 24 WESTPORT SD 57481 ELSEVIER SCIENCE PO Box 72478074 PHILADELPHIA PA 19170-8074 ELSTER ELECTRICITY INC PO Box 790353 ST LOUIS MO 63179 ELSTER ELECTRICITY LLC 208 S ROGERS LANE RALEIGH NC 27610 ELSTER ELECTRICITY LLC 208 SOUTH ROGERS Ln RALEIGH NC 27610 ELY ENERGY INC 11385 E 60TH PLACE S TULSA OK 74145 Elzufon Austin Reardon Tarlov & Mondell PA Charles J Brown 300 Delaware Ave Ste 1700 PO Box 1630 Wilmington DE 19899-1630 EMERGENCY EDUCATION 1749 8TH ST BROOKINGS SD 57006 EMERGENCY MEDICAL SERVICES OF 805 3RD St SE CUT BANK MT 59427 EMERSON PROCESS MANAGEMENT 8200 MARKET Blvd CHANHASSEN MN 55317 EMIL L MISAR JR AND FARM SERVICE AG 46590 210TH ST BROOKINGS SD 57006 EMIL MISAR JR & FARM SERVICES AGENC 46590 210TH ST BROOKINGS SD 57006 EMIL SCHAAF ROUTE #2 S BLAINE GRAND ISLAND NE 68801 EMILIA HADLER 3031 ALLISON LANE BILLINGS MT 59101-5604 EMILIE T NG 408 E ST ANDREWS Dr SIOUX FALLS SD 57108 EMILY REMUND 451 14TH ST SE HURON SD 57350 EMMA GOODLAND 2310 South Drive Butte MT 59701 EMMET MARVIN & MARTIN LLP 120 Broadway NEW YORK NY 10271 EMPIRE HEATING AND COOLING 500 ALBERT St BILLINGS MT 59107-1514 EMPIRE HEATING AND COOLING 500 ALBERT St PO Box 31514 BILLINGS MT 59107-1514 EMPIRE OFFICE MACHINES INC 206 W GRANITE St BUTTE MT 59701 EMPIRE OFFICE MACHINES INC 821 N MAIN ST HELENA MT 59601-3352 Empire Office Machines Inc 821 North Main Helena MT 59601 Empire Office Machines Inc 821 North Main Helena MT 59601 EMPIRE OFFICE PROPERTIES 821 N LAST CHANCE GULCH ST HELENA MT 59601 EMPIRE STEEL MANUFACTURING CO PO Box 2565 BILLINGS MT 59103-2565 EMPLOYERS ASSOCIATION OF WESTERN PO Box 4747 MISSOULA MT 59806 EMPLOYMENT RESOURCES DIVISION PO Box 2659 CASPER WY 82602-2659 EMPRESS SOFTWARE 300 3100 Steeles Ave E Markham ON L3R 8T3 Canada EMPRESS SOFTWARE #300-3100 Steeles Ave E Markham ON L3R 8T3 EMPRESS SOFTWARE 6401 GOLDEN TRIANGLE Dr GREENBELT MD 20770 EMPRESS SOFTWARE INC 3100 STEELES AVE E Ste 300 MARKHAM ON L3R 8T3 Canada Empress Software Inc 11785 Beltsville Dr Ste 1650 Beltsville MD 20705 EMPRESS SOFTWARE INC 3100 STEELES AVE EAST Ste 300 MARKHAM ON L3R 8T3 ENCANA ENERGY RESOURCES INC 950 17TH St Ste 2600 DENVER CO 80202 ENCANA ENERGY SERVICES 950 17TH ST Ste 2600 US BANK TOWER DENVER CO 80202 ENCANA GATHERING SERVICES USA INC 950 17TH St Ste 2600 US BANK TOWER DENVER CO 80202 Encana Marketing USA 950 17th St Ste 2600 Denver CO 80202 ENCANA MARKETING USA INC CO ENCANA CORPORATION 1800 855 2ND St SW ENCANA ON 8TH CALGARY AB T2T 4Z5 Canada

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 45 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Encana Oil and Gas Inc 950 17th St Ste 2600 Denver CO 80202 ENCORE ENTERTAINMENT NETWORK 224 ASPEN LOOP BUTTE MT 59701 EnerGCOMM 2100 HARRISON AVEE BUTTE MT 59701 EnerGComm Federal Credit Union Attn Lynette Casagranda 2100 Harrison Ave Butte MT 59701

Energy & Environment Measurement Corporation 1744 Mullowney Ln Billings MT 59101 ENERGY & ENVIRONMENTAL 3730 N PELLEGRINO DR TUCSON AZ 85749 ENERGY BAR ASSOCIATION 2175 K STE NEWE Ste 600 WASHINGTON DC 20037 ENERGY CONTROL SYSTEMS INC 100 Hafner Avenue Pittsburgh PA 15223 ENERGY CONTROL SYSTEMS INC 100 Hafner Avenue Pittsburgh PA 15223 ENERGY CONTROL SYSTEMS INC PO Box 1644 OGDEN UT 84402-1644 ENERGY ECONOMICS INC PO Box 220 DODGE CENTER MN 55927 ENERGY EFFICIENT RATING SERVICE 431 W MERCURY BUTTE MT 59701 ENERGY EQUIPMENT & SUPPLY 455 MOORE LN Ste 4 BILLINGS MT 59101 ENERGY LABORATORIES INC 1120 S 27TH St BILLINGS MT 59107-0916 ENERGY ONE ELECTRONICS INC 311 GREENE RD BERWYN PA 19312 ENERGY PARTNERS LLC PO Box 1222 THOMPSON FALLS MT 59873 ENERGY SHARE OF MONTANA 318 N LAST CHANCE GULCH Ste 2B HELENA MT 59601 ENERGY SHARE OF MONTANA 318 N LAST CHANCE GULCHSte 2B HELENA MT 59601 ENERGY SHARE PAYROLL DONATION 318 N LAST CHANCE GULCH Ste 2B HELENA MT 59601 ENERGY SYSTEMS INDUSTRIAL 2267 SIMS St DICKINSON ND 58601-6521 ENERGY WEST PO Box 1526 GREAT FALLS MT 59403 ENERGY WEST PO Box 2229 GREAT FALLS MT 59403 ENERGY WEST CUSTOMER PYMTS FROM MPC 40 EAST BROADWAY BUTTE MT 59701 Energy West Inc PO Box 2229 Great Falls MT 59403 Energy West Inc #1 1st Ave S Great Falls MT 59403 ENERGY WEST MONTANA PO BOX 2229 GREAT FALLS MT 59403 Energy West Montana PO Box 2229 Great Falls MT 59403-2229 ENERGY WEST RESOURCES PO BOX 2229 GREAT FALLS MT 59403 Energy West Resources Sheila Rice No 1 First Ave S PO Box 2229 Great Falls MT 59403 Energy West Resources VP of Marketing No 1 First Ave S PO Box 2229 Great Falls MT 59403 Energy West Resources Inc Attn Joanne Forwood PO Box 2229 Great Falls MT 59403 ENERGY WEST RESOURCES INC PO Box 1526 GREAT FALLS MT 59403 ENERGY WEST RESOURCES INC PO BOX 2229 GREAT FALLS MT 59403 Energy West Resources Inc PO Box 2229 Great Falls MT 59403-2229 Energy West Resources No 1 First Ave S PO Box 1526 Great Falls MT 59403 Energy West Resources No 1 First Ave S PO Box 1526 Great Falls MT 59408 ENERSYS DEPT 77007 DETROIT MI 48277-0007 ENGEN CREATIVE 113 W FRONT St Ste 301 MISSOULA MT 59802 ENGINEERED CONTROLS 3116 S 13TH ST LINCOLN NE 68502 Engineering and Consulting Services Inc Nort 2314 Cherry Rd Spokane WA Engineering Inc 1001 S 24th St W Ste 200 Billings MT 59101 ENGINEERING INC PO Box 81345 BILLINGS MT 59108-1345 Engineering Inc PO Box 81345 1260 South 32nd Street West Billings MT 59102 Engineering Inc PO Box 81345 Billings MT 59108 ENGINEERING SYSTEMS INC 3851 EXCHANGE Ave AURORA IL 60504 ENGSTROM AGENCT INC 21 5TH ST NE WATERTOWN SD 57201 ENNIS CHAMBER OF COMMERCE PO Box 291 ENNIS MT 59729 ENNIS MONTANA LIONS CLUB PO Box 1501 ENNIS MT 59729 Enron Capital and Trade Resources Specialist 121 SW Salmon 3WCT 0306 Portland OR 97204 ENROOTH SHAWN 1091 BEEFTRAIL Rd BUTTE MT 59701 ENSERCO ENERGY INC 350 INDIANA St Ste 400 GOLDEN COLORADO CO 80401 ENSLEY ELECTRICAL SERVICES INC PO Box 5822 GRAND ISLAND NE 68802 ENTECH LLC 107 N MAIN St BUTTE MT 59701 ENTERPRISE ELECTRIC PO Box 2259 SHAWNEE MISSION KS 66201 ENTERPRISE RENT A CAR 1200 BOZEMAN HELENA MT 59601-2939 ENTRE INFORMATION SYSTEMS 2727 CENTRAL Ave BILLINGS MT 59102-6688 ENTRINGER SCHOLARSHIP CLASSIC 621 13TH AVE BROOKINGS SD 57006 ENVIRO PROBE SERVICES LLC 50 BOE LANE WHITEHALL MT 59759 ENVIRONMENTAL DISTRIBUTORS 2230 TERMINAL RD ROSEVILLE MN 55113 ENVIRONMENTAL QUALITY SERVICES INC 328 TYLER WAY LOLO MT 59847-9712 Environmental Support Services Inc PO Box 53229 Phoenix AZ 85072-3229 ENVIRONOMICS INC 5957 CHAMPION Rd LIBBY MT 59923 EPCON SIGN COMPANY 1131 MONAD BILLINGS MT 59104 EPRI DEPT #1527 PO Box 61000 SAN FRANCISCO CA 94161 EPRI SOLUTIONS INC PO BOX 10412 PALO ALTO CA 94303-0813 EPRISOLUTIONS 3412 HILLVIEW AVE PALO ALTO CA 94303-1395 EPRISOLUTIONS PO Box 60000 SAN FRANCISCO CA 94160 EQUIFAX PO Box 77709 DETROIT MI 48277-0709 EQUIFAX CITY DIRECTORY 400 E LINWOOD BLVD KANSAS CITY MO 64109 EQUIS CORPORATION ATTN QWEST LEASE ADMINISTRATION 8350 E CRESCENT PARKWAY Ste 300 GREENWOOD VILLAGE CO 80111 EQUITABLE LIFE ASSURANCE PO Box 1047 CHARLOTTE NC 28201-1047 EQUITABLE LIFE INSURANCE CO PO Box 1047 CHARLOTTE NC 28201-1047 EQUITY MANAGEMENT INC TRUST PO Box 8044 MISSOULA MT 59807 ERDMANN OIL CO 1121 S LINCOLN ST ABERDEEN SD 57401 ERGOGENSIS 1 BODYBILT PLACE NAVASOTA TX 77868 ERGOTRON INC PO Box 86 MINNEAPOLIS MN 55486-1323 ERIC GERLINGER PO Box 438 LEWISTOWN MT 59457 Eric R Jacobsen c o Northwestern Corporation 125 S Dakota Ave Sioux Falls SD 57104 ERIC REDFIELD 307 E WATER LEWISTOWN MT 59457 ERICKSON AND ASSOCIATES PO Box 937 ABERDEEN SD 57402-0937

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 46 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ERICSSON USER GROUP CAL POLY STATE UNIVERSITY SAN LUIS OBISPO CA 93407 ERIK PERLBERG 3315 CENTRAL AVE APT No2 BILLINGS MT 59102 ERMA SHUPAK 4424 SEITZ RONAN RD LAUREL MT 59044 ERNEST J KINDT 5 AMBER WAY BUTTE MT 59701 ERNEST SATTERTHWAIT 824 1ST St E ROUNDUP MT 59072 ERNST & YOUNG LLP PO Box 91251 CHICAGO IL 60693 ERRANDS XPRESS 5704 W CLASY ST SIOUX FALLS SD 57106 ESCHBACH PETER 4634 VILLA RIDGE RD NE MARIETTA E GA 30068 ESCHEATMENTS 260 FRANKLIN ST BOSTON MA 02110-3220 ESKER SOFTWARE PO Box 44593 MADISON MT 53744-4953 ESRI INC 380 NEW YORK St REDLANDS CA 92373 ESS CONSULTING 570 KIRKLAND WAY KIRKLAND WA 98033 Estate of Arthur L Sawyer Mary Kay Naumann Personal Representative 5057 N County Road P New Franklin WI 54229-9437 Estate of Orval Meyer James P Harrington PC Attorney at Law 2900 Lexington Butte MT 59701 ESTATE OF OTHA B DUMAY PO Box 31 COLUMBIA FALLS MT 59912-0701 ESTELLINE COMMUNITY OIL CO PO Box 189 ESTELLINE SD 57234 ESTELLINE COOP GRAIN 108 1ST ST N. ESTELLINE SD 57234 ESTELLINE ELEMENTARY SCHOOL 404 6TH ST N. ESTELLINE SD ESTER BRENDGORD 927 3RD AVE HAVRE MT 59501 ESTEX MANUFACTURINC CO INC 402 E BRd St FAIRBURN GA 30213 ESTEX MANUFACTURING CO INC PO Box 681 BOTHELL WA 98041-0681 ESTHER HILTS 1401 11TH ST NW GREAT FALLS MT 59404 ETHAN COOP LUMBER 117 W ASH ETHAN SD 57334 ETHAN HIGH SCHOOL PO Box 169 ETHAN SD 57334 ETHAN PUBLIC SCHOOL 320 S SECOND ST PO Box 169 ETHAN SD 57334-0169 ETHAN PUBLIC SCHOOL PO BOX 169 ETHAN SD 57334-0169 Ethel I Hunstad 1523 Squire Lane Aberdeen SD 57401-7656 Ethel I Hunstad The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Ethel Magsig 429 S 6th Str Livingston MT 59047 ETHIKOS PO Box 31 MAMARONECK NY 10543 Ethnoscience Inc 4140 King Ave E Billings MT 59101 Ethos Consultants Inc 14 Meadowlark Estates Havre MT 59501 EUGENE A BRAUN 123 ASPEN LANE BUTTE MT 59701 Eugene A Schumacher 924 N Main St Aberdeen SD 57401 Eugene A Schumacher The Depository Trust Company 55 Water St 49th Fl New York NY 10041 EUGENE BECKMAN & SONS PO Box 148 BROOKINGS SD 57006-0148 EUGENE BOWAR 16619 353RD AVE FAULKTON SD 57438 EUGENE L FORSTER PO Box 23 GREYCLIFF MT 59033 EUGENE WATER & ELECTRIC BOARD PO Box 10148 EUGENE OR 97440-2148 EUSERC 2090 HILLTOP CIRCLE ROSEVILLE CA 95747 Eutis Body Shop PO Box 280 GRAND ISLAND NE 68802 Eva Lyons Tte 35 Schaal St Bridgewater NJ 08807-5722 Eva Lyons Tte The Depository Trust Company 55 Water St 49th Fl New York NY 10041 EVANS CONSOLES INCORPORATED 161627 Ave NE CALGARY AB T2E 8W4 Canada EVANS TRANSFER & STORAGE INC 750 UTAH AVE BUTTE MT 59701-2610 Evans Transfer and Storage Inc 750 Utah Butte MT 59701 EVELYN F JOHNSON 215 32ND AVE EAST MOLINE IL 61244 Evergreen Caissons Inc 735 Clarkson St Denver CO 80218 EVERGREEN LAWNS & CONSTRUCTION PO Box 591 CONRAD MT 59425 EVERGREEN SUPPLY INC PO Box 398 ABERDEEN SD 57402-0398 EVERGREEN TERRACE 718 NE 8TH St MADISON SD EVERGREEN TREE & LAWN SERVICE PO Box 3742 MISSOULA MT 59806 EVERGREEN WEED AND FEED PO Box 1865 HAMILTON MT 59840 EVERLY & ASSOCIATES PO Box 603 BUTTE MT 59703-0603 Everly & Associates PO Box 603 Butte MT 59703 EVERYBODYS GYM 662 GILDER LANE BELGRADE MT 59714 EXCEL PRODUCTIONS PO Box 4063 MISSOULA MT 59806 EXCEL TELECOMMUNICATIONS INC PO Box 78129 PHOENIX AZ 85062-8129 EXCHANGE CLUB OF ABERDEEN PO Box 1271 ABERDEEN SD 57402-1271 EXCHANGE CLUB OF HELENA PO Box 1054 HELENA MT 59624 EXCHANGE CLUB OF MITCHELL PO Box 811 MITCHELL SD 57301 Exec Air Montana Inc 2560 Airport Rd Helena MT 59601 EXECUTIVE AVIATION 9960 FLYING CLOUD DR EDEN PRAIRIE MN 55347 EXECUTIVE COPY SYSTEMS 2000 PIERCE ST SIOUX CITY IA 51104 EXECUTIVE ENTERPRISE INSTITUTE PO Box 530683 ATLANTA GA 30353-0683 EXECUTIVE TRAVEL 1212 0 ST LINCOLN NE 68508 EXECUTRAIN 4601 WESTOWN PARKWAY STE 210 WEST DES MOINES IA 50266 Exemplar Internationa PO Box 802734 KANSAS CITY MO 64180-2734

Exemplar International fka Health Examinetics Inc PO Box 802734 KANSAS CITY MO 64180-2734 EXERGY DEVELOPMENT GROUP LLC PO Box 7783 HELENA MT 59807 EXHAUST MASTERS SERVICE CENTER 215 3RD AVE S CLEAR LAKE SD 57226-0677 EXHAUST PROS 321 S JEFFERS NORTH PLATTE NE 69101 Exline Inc PO Box 1487 Salina KS 67402-4425 EXNET 123 E 54 St Ste 4C NEW YORK NY 10022 EXPANDING & EXPLORING YOUR HORIZONS 1300 W PARK St BUTTE MT 59701 EXPANETS DIRECT PO Box 97569 PEARL MS 39288-7569 Express Personnel Services 700 E Front St Butte MT 59701 EXPRESS PHARMACY SERVICES PO Box 371029 PITTSBURGH PA 15251-7029 Express Pipeline LLC Ziad Saad 300 5th Ave SW Ste 2700 Stock Exchange Tower Calgary AB T2P 5J2 Canada EXPRESS SCRIPTS 14000 RIVERPORT DR ST LOUIS MO 63043

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 47 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Express Services 222 East Main Suite 202 Bozeman MT 59715 EXPRESS SERVICES 700 E FRONT ST BUTTE MT 59701 EXPRESS SERVICES 700 E FRONT ST PO Box 3867 BUTTE MT 59701 EXPRESS SERVICES INC BILL DIRECT TO OKLAHOMA CITY HELENA MT 59601 EXPRESS SERVICES INC BILL DIRECT TO OKLAHOMA CITY MISSOULA MT 59801 EXXON PO Box 1163 BILLINGS MT 59103-1163 EXXON REFINING PLANT PO Box 1163 BILLINGS MT 59103-1163 EZZIES WHOLESALE INC PO Box 1770 MALTA MT 59538 F M ACOUSTICAL TILE INC 27128 PARKLANE DR SIOUX FALLS SD 57106 FABROTECH INDUSTRIES INC 2089 9TH Ave RONKONKOMA NY 11779 FACILITIES IMPROVEMENT CORPORATION 800 7TH AVE N GREAT FALLS MT 59401 FACILITY IMPROVEMENT CORP 800 7TH AVE N GREAT FALLS MT 59401-1024 FACILITY IQ PO Box 2442 SPOKANE WA 99210-2442 FACTORY MUTUAL INSURANCE CO PO Box 93369 CHICAGO IL 60673-3369 FACTORY MUTUAL INSURANCE COMPANY PO Box 93369 CHICAGO IL 60673-3369 FAEGRE & BENSON 2200 Wells Fargo Center 90 South Seventh S Minneapolis MN 55402-3901 FAIR CITY ECONOMY CLEANERS 333 3RD ST SW HURON SD 57350 FAIR CITY GLASS & CRAFTS 203 KANSAS SE HURON SD 57350 FAIR CITY SERTOMA 917 WISCONSIN SW HURON SD 57350 FAIR CITY WELDING PO Box 805 HURON SD 57350 Fair Harbor Capital LLC 875 Avenue of the Americas Ste 2305 New York NY 10001 FAIRBANKS INTL INC 714 3RD AVE KEARNEY NE 68848 FAIRBANKS MORSE ENGINE 7824 COLLECTION CENTER Dr CHICAGO IL 60693 FAIRFIELD HIGH SCHOOL PO Box 399 FAIRFIELD MT 59436 FAIRFIELD HIGH SCHOOL PO Box 589 GREAT FALLS MT 59403 FAIRFIELD MEDICAL OFFICE PO Box 885 FAIRFIELD MT 59436 FAIRMONT HOT SPRINGS RESORT 1500 FAIRMONT Rd ANACONDA MT 59711 FAITH FAMILY CHURCH PO Box 1271 SIOUX FALLS SD 57101-1271 FALLS COMMUNICATIONS INC 814 5TH ST S GREAT FALLS MT 59403-2248 FALLS COMMUNICATIONS INC 814 5TH ST S PO Box 2248 GREAT FALLS MT 59403-2248 FALLS CONSTRUCTION COMPANY 1001 RIVER DR N GREAT FALLS MT 59401-1157 Falls Construction Company 1001 River Dr N Great Falls MT 59401 FALLS SHEET METAL INC 400 CENTRAL Ave W GREAT FALLS MT 59404 FAMILIAN NORTHWEST 1510 INDUSTRIAL Ave BILLINGS MT 59101-3129 FAMILIAN NORTHWEST INC 205 1ST AVE NW GREAT FALLS MT 59404-4410 FAMILIAN NORTHWEST INC 2435 US HIGHWAY 2 E KALISPELL MT 59903-5289 FAMILIAN NORTHWEST INC 2905 N MONTANA AVE HELENA MT 59601 FAMILIAN NORTHWEST INC 3843 BROOKS MISSOULA MT 59801-7732 FAMILIAN NORTHWEST SLC DISTRIBUTION 2250 N Columbia Blvd Portland OR 97217-6957 FAMILY CAREER & COMMUNITY LEADERS PO Box 202501 HELENA MT 59620-2501 FAMILY CONNECTIONS 600 CENTRAL PLAZA Ste 225 GREAT FALLS MT 59401 Family Entertainment Network Inc Kevin Johnson PO Box 126 Mitchell SD 57301 Family Health Care PC 1287 Burns Way Kalispell MT 59901 FAMILY PRACTICE ASSOCIATES PC 935 HIGHLAND BLVD Ste 4000 BOZEMAN MT 59715-6902 Family Practice Association 935 Highland Blvd Ste 4000 Bozeman MT 59715 FAMILY PRACTICE OF GRAND ISLAN 908 N HOWARD STE 108 GRAND ISLAND NE 68802 FAMILY SERVICE INC 2210 W BROWN PLACE SIOUX FALLS SD 57105 FAMILY SUPPORT NETWORK PO Box 21366 BILLINGS MT 59104 FAMILY WELLNESS CENTER 224 N MAIN LEWISTOWN MT 59457-2759 Family Wellness Center 224 W Main Ste 401 Lewistown MT 59457-2759 FAO USAED OMAHA 215 N 17TH ST OMAHA NE 68102-4978 FARM & HOME PUBLISHERS PO Box 757 PARKER SD 57053 FARM & RANCH NEWS PO Box 733 MERIDIAN ID 83680-0733 FARM PLAN PO Box 77000 DETROIT MI 48277-0175 FARMER BROS COMPANY 20333 S NORMANDIE Ave TORRANCE CA 90509 FARMER BROS COMPANY 20333 SOUTH NORMANDIE Ave PO Box 2959 TORRANCE CA 90509 FARMER BROTHERS COFFEE FILE 55172 LOS ANGELES CA 90074-5172 FARMERS PO Box 149293 AUSTIN TX 78714-9293 Farmers & Merchants Bank & Trust Co 9 SW 3rd Ave Aberdeen SD 57401 Farmers & Merchants Bank & Trust Co PO Box 1210 Aberdeen SD 57402-1210 Farmers & Merchants Bank & Trust Company Attn Richard Westra President PO Box 1210 Aberdeen SD 57402-1210 FARMERS & MERCHANTS COOP OIL PO Box 267 MADISON SD 57042 FARMERS CASHWAY DO IT CENTER PO Box 937 HURON SD 57350 FARMERS CO OPERATIVE CO PO Box 127 BROOKINGS SD 57006 Farmers Coop Elevator 303 S 2nd Ave Castlewood SD 57223 FARMERS COOP ELEVATOR PO BOX 255 AVON SD FARMERS ELEVATOR BOX 82 HAZEL SD 57242 FARMERS ELEVATOR COMPANY BOX 125 LAKE NORDEN SD FARMERS ELEVATOR COMPANY PO BOX 311 MENNO SD 57045-0311 FARMERS ELEVATOR COMPANY # 2 RURAL ROUTE MADISON SD 57042 FARMERS STATE BANK Box A PARKSTON SD 57366-1201 FARMERS UNION CENTRAL EXCHANGE INCORPORATION 216 16TH St Ste 1200 DENVER CO 80202 FARMERS UNION CO OP ASSN PO Box 161 KEARNEY NE 68848 FARMERS UNION COOP OIL COMPANY 102 W 6TH AVE BRYANT SD 57221 FARMERS UNION COOPERATIVE ASSO PO Box 148 BRITTON SD 57430 FARMERS UNION ELEVATOR ASSOCIATION W MARKET HOWARD SD 57349 FARMERS UNION OIL PO Box 5 WOONSOCKET SD 57385 FARMERS UNION OIL CENEX 600 HWY 2 W DEVILS LAKE ND 58301 FARMERS UNION OIL CO 609 S 9TH AVE FAULKTON SD 57438 FARMERS UNION OIL CO OF GT FLS 1000 SMELTER AVE BLACK EAGLE MT 59414 FARMERS UNION OIL COMPANY 25 E 6TH AVE REDFIELD SD 57469

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 48 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country FARMERS UNION OIL COMPANY Box E HIGHMORE SD 57345-0544 FARMERS UNION OIL COMPANY PO Box 386 DOLAND SD 57436-0386 FARMERS UNION TRAVEL PO Box 1388 HURON SD 57350 FARNAMS GENUINE PARTS INC PO Box 1371 HURON SD 57350 FARSTAD OIL INC PO Box 1450 MINNEAPOLIS MN 55485-7948 Farstad Oil Inc PO Box 31195 Billings MT 59101 FARWEST CORROSION CONTROL CO 3825 PARIS ST DENVER CO 80239 FASTENAL CO PO Box 978 WINONA MN 55987-0978 FASTENAL COMPANY 118 FRONT ST BROOKINGS SD 57006 FASTENAL COMPANY 2920 BILLINGS Ave NoC HELENA MT 59601 FASTENERS INC 3010 W Broadway ST MISSOULA MT 59806-3808 FASTENERS INC 3010 W BROADWAY ST PO Box 3808 MISSOULA MT 59806-3808 FASTENERS INC 4016 FIRST Ave S BILLINGS MT 59107-0955 FASTSERVE PO Box 4554 BUTTE MT 59702 FAULK COUNTY RECORD PO Box 68 FAULKTON SD 57438 FAULK COUNTY REG OF DEEDS PO Box 309 FAULKTON SD 57438 FAULK COUNTY TREASURER PO Box 309 FAULKTON SD 57438 FAULK COUNTY TREASURER PO Box 309 FAULKTOWN SD 57438 Faulkton Cable TV Galen Gillette 519 N Main St Redfield SD FAULKTON FARMERS ELEVATOR CO 107 6TH AVE S FAULKTON SD 57438-0069 FAULKTON FARMERS ELEVATOR CO 107 6TH AVE S PO Box 69 FAULKTON SD 57438-0069 FAULKTON FIRE DEPT PO Box 372 FAULKTON SD 57438 FAULKTON HARDWARE 124 8TH AVE S FAULKTON SD 57438 FAULKTON POST PROM PO Box 220 FAULKTON SD 57438 Fawns Lyons c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 FBLA NATIONALS PO Box 45 MELLETTE SD 57461 FBX INTERNET 666 WALNUT St Ste 1900 DES MOINES IA 50309 FCCLA KIMBALL SCHOOL KIMBALL SD 57355 Fed Payroll Taxes Wells Fargo Bank Sioux Falls SD 57101 FEDCO ELECTRONICS INC PO Box 1403 FOND DU LAC WI 54936-1403 Federal Building 3rd Ave SE S Lincoln St Aberdeen SD FEDERAL COMMUNICATIONS COMM PO Box 358130 PITTSBURGH PA 15251-5130 FEDERAL ENERGY REGULATORY CMSN PO Box 93938 CHICAGO IL 60673 FEDERAL ENERGY REGULATORY COMM 888 FIRST St NE WASHINGTON DC 20426 Federal Energy Regulatory Commission PO Box 93938 Chicago IL 60673 Federal Energy Regulatory Commission Thomas R Herlihy 888 First St NE Washington DC 20426 Federal Energy Regulatory Federal Energy Regulatory Commission Commission Thomas R Herlihy 888 First St NE Washington DC 20426 FEDERAL ENERGY SALES INC Attn Scott Towner 3222 N RIDGE ROAD ELYRIA OH 44035 FEDERAL EXPRESS CORP PO Box 1140 MEMPHIS TN 38101-1140 Federal Express Corporation Attn Revenue Recovery Bankruptcy 2005 Corporate Avenue 2nd Floo Memphis TN 38132 Federal Office Building Attn Chief Bldg Services Lincoln St and 4th Ave SE Aberdeen SD 57401 FEDERAL PACIFIC COMPANY PO Box 681 BOTHELL WA 98041-0681 FEDERAL SIGNAL CORPORATION 7288 COLLECTION CENTER DR CHICAGO IL 60693 FedEx PO Box 1140 MEMPHIS TN 38101-1140 FEDEX FREIGHT EAST 4103 COLLECTION CENTER Dr CHICAGO IL 60693 FEDEX FREIGHT WEST PO Box 10306 PALATINE IL 60056-0306 FEDIG OIL COMPANY INC 16126 CHASEMORE Dr SPRING TX 77379 FEDIG OIL COMPANY INC PO BOX 96 FERDIG MT 59437 FEI INC LB 7724 MINNEAPOLIS MN 55485 FEI INC PO Box 86 MINNEAPOLIS MN 55486-1470 FEJFAR PLUMBING & HEATING INC 1209 W 9TH YANKTON SD 57078 FEKETE ASSOCIATES INC 2000 540 5TH Ave SW CALGARY AB T2P 0M2 CANADA FELLER ELECTRIC & PLUMBING PO Box 179 BLUNT SD 57522 FELSTET CONCRETE PRODUCTS LLC PO Box 297 SUPERIOR MT 59872 FELSTET DISPOSAL SERVICE CORP PO Box 297 SUPERIOR MT 59872 FENSELS ELECTRIC SUPPLY 1220 N COUNTY Rd FREEMAN SD 57029-0429 FENSELS FLOWER SHOP & GREENHOUSE 500 NE HWYE 81 FREEMAN SD 57029 FERDIG OIL COMPANY 260 MAIN SHELBY MT 59474 FERGUS AUTO PARTS INC 403 1ST AVE S LEWISTOWN MT 59457 FERGUS COUNTY HIGH SCHOOL 201 CASINO CREEK Dr LEWISTOWN MT 59457 FERGUS COUNTY NURSES OFFICE 712 W MAIN LEWISTOWN MT 59457 FERGUS COUNTY TREASURER 712 W MAIN LEWISTOWN MT 59457 FERGUS COUNTY TREASURER 712 WEST MAIN LEWISTOWN MT 59457 FERGUS ELECTRIC COOPERATIVE 8470 U S 87 E LEWISTOWN MT 59457-9402 FERGUS HIGH SCIENCE OLYMPIAD TEAM 201 CASINO CRK DR LEWISTOWN MT 59457 FERGUSON ELECTRIC 326 ILLONIS AVE SW HURON SD 57350 FERGUSON KENNETH 2008 5TH AVE N GREAT FALLS MT 594011810 FERNEY FRAMERS ELEVATOR FERNEY SD 57439 FERRELLGAS PO Box 566 YANKTON SD 57078 Ferris Baker Watts Inc c o ADP FERRIS H NESS PO Box 103 RUDYARD MT 59540 FERRO APPRAISAL SERVICES INC PO Box 2032 GREAT FALLS MT 59403-2032 FESTIVAL OF TREES 207 S EXCELSIOR BUTTE MT 59701 FETTER CONSTRUCTION PO Box 803 HARLEM MT 59526 FEWER PUMPING SERVICE PO Box 661 GLASGOW MT 59230 FHS SPEECH FLATHEAD HIGH SCHOOL 644 4TH Ave W KALISPELL MT 59901 FI WARE 1900 EMERY St NW 2ND FL ATLANTA GA 30318 FIBERDYNE LABS INC PO Box 906 HERKIMER NY 13350 FICKLER OIL COMPANY INC 760 E IRON BUTTE MT 59701 FIDDELKE HEATING & AIR COND PO Box 1934 KEARNEY NE 68848 Fidelity Gas Co 400 N Fourth St Bismarck ND

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 49 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country FIDELITY INVESTMENTS CUSTODIAN PO Box 5000 CINCINNATI OH 45273-8004 FIEDLITY GAS CO 400 N FOURTH St BISMARCK ND Fifth Third Bank c o ADP FIFTY FOUR LIVESTOCK 86 GOFFENA RD ROUNDUP MT 59072 FIGGINS SAND & GRAVEL INC PO Box 9 BELGRADE MT 59714-0009 FILENET CORPORATION 3565 HARBOR BLVD COSTA MESA CA 92626 FILENET CORPORATION 3565 HARBOUR Blvd COSTA MESA CA 92626-1420 FILENET CORPORATION FILE 53858 LOS ANGELES CA 90074-3858 FILM/VIDEO EQUIPMENT SERV CO 800 S JASON ST DENVER CO 80223 FILTREX INC 6700 NE 79TH COURT PORTLAND OR 97218 FINANCIAL EQUIPMENT CO 4516 S Ave W MISSOULA MT 59801 FINANCIAL EXECUTIVES 10 MADISON AVE MORRISTOWN NJ 07962-1938 FINE FABRIC CARE LLC 101 GALLATIN ST BUTTE MT 59701 FINLAY LUMBER 5628 LOWER WOODCHUCK RD FLORENCE MT 59833 FIRE PROTECTION SERVICES INC PO Box 18040 MISSOULA MT 59808-8040 Fire Suppression Systems Inc 2171 INDUSTRIAL DR BOZEMAN MT 59715 FIREMASTER 455 MOORE LANE Ste 5 BILLINGS MT 59101 FIREMASTER MOUNTAIN REGION PO Box 9612 FORT MYERS FL 33906-9612 FIREPLACE PROFESSIONALS INC 1217 W 41ST ST SIOUX FALLS SD 57105 FIRESIDE INN 2626 2ND AVE N GREAT FALLS MT 59401-3335 FIRESTONE ABERDEEN 622 6TH AVE SE ABERDEEN SD 57401 FIRESTONE STORES NORTH PLATTE 518 E 4TH ST NORTH PLATTE NE 69101 FIRST ADMINISTRATORS INC 512 MAIN St Ste 200 RAPID CITY SD 57709 FIRST AMERICAN ADMINSTRATORS PO Box 8150 RAPID CITY SD 57709 FIRST AMERICAN TITLE CO OF MT INC PO Box 549 MISSOULA MT 59806 First American Trust FSB as Successor Trustee of the Robert W Vail Trust Attn G William Houck Jr Vice President 2161 San Joaquin Hills Rd Newport Beach CA 92660 First Bank Aberdeen 324 S First St Aberdeen SD 57401 First Baptist Church 1500 E Melgaard Rd Aberdeen SD 57401 FIRST BAPTIST CHURCH 308 W PINE ST MISSOULA MT 59801 First Baptist Church Attn The Reverend Harold Salem 1500 E Melgaard Rd Aberdeen SD 57401 FIRST CLASS DESIGN 1670 DAKOTA AVE S HURON SD 57350 First Clearing c o ADP First Clearing 61208HAA2 61208HAC8 c o ADP FIRST DAKOTA NATIONAL BANK PO Box 156 YANKTON SD 57078-0156 FIRST DATA INTEGRATED PAYMENT PO Box 1880 ST CHARLES MO 63302-1880 FIRST DATA PAYMENT SERVICES PO Box 502130 ST LOUIS MO 63150-2130 FIRST FEDERAL OF LINCOLN 1811 W 2ND GRAND ISLAND NE First Interstate Bank c o Rossbach Hart Bechtold PO Box 8988 Missoula MT 59807-8988 First Interstate Bank and Missoula Parking Commission Timothy M Bechtold Rossbach Hart Bechtold PC PO Box 8988 Missoula MT 59807 FIRST INTERSTATE BANK CHARITY GOLF PO Box 5010 GREAT FALLS MT 59403 FIRST NATIONAL BANK 100 S PHILLIPS Ave SIOUX FALLS SD 57104 FIRST NATIONAL BANK 100 S PHILLIPS Ave SIOUX FALLS SD 57117 FIRST NATIONAL BANK 332 Broadway YANKTON SD 57078-0670 FIRST NATIONAL BANK PO Box 5057 BROOKINGS SD 57006 FIRST NATIONAL BANK & TRUST CO PO Box 578 KEARNEY NE 68848 First National Bank Northwest Bank 206 S 1st St Aberdeen SD First National Bank of Sioux Falls 605 3355235 FAX 605 3577661 PO Box 5186 Sioux Falls SD 57117-5186 FIRST NIGHT GREAT FALLS PO Box 3108 GREAT FALLS MT 59403 FIRST PRESTON PO Box 1487 ADDISON TX 75001-1487 FIRST SAVINGS BANK FSB 210 N MAIN St PO BOX 68 LAKE PRESTON SD 57249 FIRST SECURITY BANK 1704 DEARBORN MISSOULA MT 59801 First Southwest Company c o ADP FIRST STATE BANK OF WARNER PO Box 80 WARNER SD 57479 First Trust Center Kevin UnderKofler 180 E 5th St PO Box 64367 St Paul MN 55164 FIRST UNITED METHODIST CHUCH 2800 4TH Ave N BILLINGS MT 59102 First United Methodist Church 502 S Lincoln St Aberdeen SD 57401 First United Methodist Church Attn Cal Engel Chairman of Trustees 502 S Lincoln St Aberdeen SD 57401 FIRST UNITED PENTECOSTAL PO Box 1025 ABERDEEN SD 57402-1025 FISCHER FEED & SUPPLY INC 501 N ROBINSON HARTINGTON NE 68739 Fiserv Securities Inc c o ADP FISHER CONTROLS INTERNATIONAL 205 S CENTER St MARSHALLTOWN IA 50158 FISHER CONTROLS INTERNATIONAL 205 SOUTH CENTER St PO Box 190 MARSHALLTOWN IA 50158 FISHER CONTROLS INTL INC 7565 CORPORATE WAY EDEN PRAIRIE MN 55344-5100 FISHER METAL PRODUCTS PO Box 7 FORT BENTON MT 59442 FISHER ROSEMOUNT PO Box 70114 CHICAGO IL 60673 Fisher Sand & Gravel Co Inc PO Box 1034 Dickinson ND 58601 FISHER SAND AND GRAVEL CO 7105 LAUREL AIRPORT RD BILLINGS MT 00000 FISHER SCIENTIFIC 9999 VETERANS MEMORIAL DR HOUSTON TX 70038-2499 FISHNET SECURITY 1710 WALNUT KANSAS CITY MO 64108 FISTER ELECTRIC INC 629 PLYMOUTH ST MISSOULA MT 59801 FITCH IBCA INC PO Box 26858 NEW YORK NY 10087-6858 FITCH INC 1 STATE ST PLAZA STE 35 NEW YORK NY 10004 FITZPATRICK ROBERT 2018 PHILLIPS AVE BUTTE MT 597015952 FIXIT SHOP 202 7TH ST BROOKINGS SD 57006 FJM COLLECTIONS INC PO Box 924 SIOUX FALLS SD 57101 Flame Inc 2 S Main St Aberdeen SD 57401 FLASH PHOTOGRAPHY PO Box 3310 OLYMPIC VALLEY CA 96146 FLATHEAD BOOSTER CLUB PO Box 502 KALISPELL MT 59901 FLATHEAD BUILDING ASSOCIATION 1702 5TH AVE E KAISPELL MT 59901

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 50 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country FLATHEAD BUSINESS JOURNAL PO Box 7610 KALISPELL MT 59904-7610 FLATHEAD CHRISTIAN SCHOOL 1251 WILLOW GLEN Dr KALISPELL MT 59901 FLATHEAD COMMUNITY COLLEGE FOUND 777 GRANDVIEW DR KALISPELL MT 59901 FLATHEAD COUNTY DEPUTY SHERIFFS 800 S MAIN KALISPELL MT 59901 FLATHEAD COUNTY FIRE FIGHTERS PO Box 2893 Columbia Falls MT 59912-2893 FLATHEAD COUNTY FLOODPLAIN ADMIN 1035 FIRST AVE W KALISPELL MT 59901 FLATHEAD COUNTY ROAD DEPT 800 S MAIN KALISPELL MT 59901 FLATHEAD COUNTY SHERIFFS POSSE PO Box 2893 Columbia Falls MT 59912-2893 FLATHEAD COUNTY SOLID WASTE DISTRICTS KALISPELL MT 59901 FLATHEAD COUNTY SURVEYOR 800 S MAIN KALISPELL MT 59901 FLATHEAD COUNTY TREASURER 800 S MAIN KALISPELL MT 59901 FLATHEAD COUNTY TREASURER 800 SOUTH MAIN KALISPELL MT 59901 FLATHEAD ELECTRIC COOPERATIVE 2510 HIGHWAY 2 E KALISPELL MT 59901-2312 FLATHEAD ELECTRIC COOPERATIVE 2510 Hwy 2 E KALISPELL MT 59901-2312 Flathead Electric Cooperative Inc Attn EC&M Manager 2510 Hwy 2 E Kalispell MT 59901 2397 FLATHEAD INDUSTRIES 66 4TH AVE WEST N KALISPELL MT 59901 FLATHEAD JANITORIAL & RUG SERVICE PO Box 7606 KALISPELL MT 59904-0606 Flathead Janitorial and Rug Services Inc PO Box 7606 Kalispell MT 59903-1201 Flathead Janitorial and Rug Services Inc PO Box 7606 Kalispell MT 59904 FLATHEAD LAKE METHODIST PO Box 88 ROLLINS MT 59931 FLATHEAD NEWSPAPER GROUP PO Box 7610 KALISPELL MT 59904-7610 FLATHEAD SHRINE CLUB PO Box 762 KALISPELL MT 59903 FLATHEAD SPORTS PRODUCTION 900 W RESERVE DR 354 PO Box 824 KALISPELL MT 59901 FLATHEAD SPORTS PRODUCTION 900 W RESERVE DR No354 KALISPELL MT 59901 FLATHEAD VALLEY UTILITY COORDINATING CNCLD PERCIVAL KALISPELL MT 59904-2888 FLATLAND CONCRETE 975 MINN SW HURON SD 57350 FLAWLESS AUTO BODY PO Box 608 GREAT FALLS MT 59406-6048 FLEEGS RIVERSIDE ROAD HOUSE 44368 309TH ST MISSION HILL SD 57046 FLEET CAPITAL CORPORATION 50 KENNEDY PLAZA PROVIDENCE RI 02903-2305 Fleet Investment Services c o ADP FLEET MANAGEMENT PO Box 9010 DES MOINES IA 50368-9010 FLEXIBLE BENEFITS PO Box 9273 DES MOINES IA 50306-9273 FLIR SYSTEMS INC 16 ESQUIRE Rd N BILLERICA MA 01862 FLOLO STUDIO 227 DAKOTA AVE S HURON SD 57350 FLOORAS JANITORIAL 119020 JUNIPER ACRES Rd SILVER BOW MT 59750 FLOORING AMERICA 302 S 2ND ST ABERDEEN SD 57402-0118 FLOREA ROBERT 8969 HWY 2 NE HAVRE MT 59501 FLORENCE CARLTON SCHOOL 5602 OLD US HIGHWAY 93 FLORENCE MT 59833-6541 FLORENCE CRITTENTON HOME 901 N HARRIS HELENA MT 59601 FLORENS PRINTING 524 FIRST St HAVRE MT 59501 FLOREYS HEATING 106 S SMITH CLARK SD 57225 FLORIDA DEPARTMENT OF STATE PO Box 1500 TALLAHASSEE FL 32302-1500 FLORINS SERVICE INC PO Box 731 ROUNDUP MT 59072 FLOSSIE POE 714 LOCUST ST MISSOULA MT 59802 FLOWERS & MORE 561 MAIN St SCOTLAND SD 57059 FLOWERS & MORE 561 MAIN St PO Box 353 SCOTLAND SD 57059 FLOWERS AND MORE 561 MAIN ST SCOTLAND SD 57059 FLOWERS ON MAIN 513 MAIN AVE BROOKINGS SD 57006 FLOWSAFE SUPPLY INC S3865 TAYLOR Rd ORCHARD PARK NY 14127-2297 FLOYD SORENSON 522 JOHNSON PL GRAND ISLAND NE 68803-4131 FLYING M MACHINE & FABRICATION LLC 3110 E LYNDALE AVE HELENA MT 59601 FMC 3317 8th Ave NE Aberdeen SD 57401 FMC Box 1947 Aberdeen SD 57401 FNW ALLIED TECHNICAL SALE 526 MOORE LANE BILLINGS MT 59101 FNW ALLIED TECHNICAL SALE 526 MOORE Ln BILLINGS MT 59101 FOERSTER DISTRIBUTING 308 6TH ST BROOKINGS SD 57006 FONNER PARK EAST STOLLEY PARK ROAD GRAND ISLAND NE FOOTAGE TOOLS 145 FENMAR Dr TORONTO ON M9L 1M7 Canada FOR THE CHILDREN COALITION 1601 2ND Ave N No208 GREAT FALLS MT 59401 FORBES 60 FIFTH AVE NEW YORK NY 10011-8882 FORBES MAGAZINE PO Box 5471 HARLAN IA 51593-0971 FORD MOTOR CREDIT CO PO Box 88306 CHICAGO IL 60680-1306 Ford Motor Credit Company Drawer 55 953 PO Box 55000 Detroit MI 48255-0953 FORDAHLFLETCHERWOLTER & ASSOC 410 CENTRAL Ave Ste 603 GREAT FALLS MT 59403-3008 FORDE NURSERY & LANDSCAPING 2025 2ND AVE NW GREAT FALLS MT 59404 FOREST EXCAVATING 306 S COMMERCIAL ST CLARK SD 57225 FORINASH BARBARA 224 EAST PAM Rd SIOUX FALLS SD 57105 FORRER SUPPLY CO INC W194 N11811 MCCORMICK Dr GERMANTOWN WI 53022 FORST LAWN SERV 36828 STATE HIGHWAY 34 WESSINGTON SPRINGS SD 57382-5501 FORST LAWN SERVICE PO Box 1111 MITCHELL SD 57301 FORT BENTON CHAMBER OF COMMERCE PO Box 12 FORT BENTON MT 59442 FORT BENTON GRADUATES PO Box 589 GREAT FALLS MT 59403 FORT BENTON HIGH SCHOOL CARL SOMERS FORT BENTON MT 59442 FORT BENTON SCHOOL DISTRICT PO Box 399 FORT BENTON MT 59442 Fort Harrison VA Medical Center VA Medical Center Ft. Harrison MT 59636 FORT RANDALL TELEPHONE CO 722 W HIGHWAY 46 WAGNER SD 57380-9373 FORTEC 810 E 4TH ST GRAND ISLAND NE 68801 FORTIS BENEFITS DENTALCARE PO Box 830846 BIRMINGHAM AL 35283-0846 FORTIS BENEFITS INS CO PO Box 64582 ST PAUL MN 55164-0284 FORTIS BENEFITS INSURANCE COMPANY PO Box 64582 ST PAUL MN 55164-0284 FORTUNE PO Box 60001 TAMPA FL 33660-0001 FORTUNE PO Box 60400 TAMPA FL 33660-0400

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 51 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country FOSS MANAGEMENT PO Box 2995 MISSOULA MT 59806 FOSSUM READY MIX INC PO Box 1134 GLASGOW MT 59230 FOSTER CONSTRUCTION INC 241 MARCO BAY SOMERS MT 59932 FOSTER KENNETH RR BOX 254 ESTELLINE SD FOUNDATION FOR PUBLIC AFFAIRS 2033 K ST NW STE 700 WASHINGTON DC 20006 FOUR CORNERS SUPPLY 730 MAIN ST STE 103 BILLINGS MT 59105 FOUR CORNERS SUPPLY PO Box 191 CUT BANK MT 59427 FOUR GEORGIANS SCHOOL 555 W CUSTER AVE HELENA MT 59601 FOUR SEASONS FOUNDATION GREAT FALLS AREA CHMB OF CMMCE GREAT FALLS MT 59403-2127 Four Seasons Lot Service Inc 250 5th Ln NE Fairfield MT 59436 FOUR SEASONS MACHINE & MFG CO 43230 290th St Menno SD 57045-7217 FOUR SEASONS MOTOR INN 350 N MAIN St KALISPELL MT 59901 FOUR SEASONS MOTOR INN 350 NORTH MAIN St KALISPELL MT 59901 FOUR SEASONS SPORTS FOUNDATION PO Box 589 GREAT FALLS MT 59403-0589 FOURNIER DECORATING 3440 KENNEDY AVE BUTTE MT 59701 FOWLER INC 3308 BROCE COURT NORMAN OK 73070 FOX RIDGE WOMENS LEAGUE 4020 LAKE HELENA Dr HELENA MT 59602 FP Mailing Solutions 140 N Mitchell Ct #200 Addison IL 60101 FP Mailing Solutions 140 N Mitchell Ct 200 Addison IL 60101 FPL ENERGY LLC 700 UNIVERSE Blvd JUNO BEACH FL 33408 FRAMATOME CONNECTORS USA INC PO Box 95394 CHICAGO IL 60694 FRAME GALERIE 102 W GRANITE St BUTTE MT 59701 FRAMERS GALLERY 3132 S MINNESOTA AVE SIOUX FALLS SD 57105 Frances B Springer 7629 Arroyo Del Oso NE Albuquergue NM 87109 Frances B Springer 7629 Arroyo Del Oso NE Albuquerque NM 87109 Frances B Springer The Depository Trust Company 55 Water St 49th Fl New York NY 10041 FRANCES M CHARVAT 908 S BLACK AVE BOZEMAN MT 59715-5310 FRANCES MAHON DEACONESS HOSPITAL PO Box 191 HAVRE MT 59501 Frances Rieffer 1150 Park Avenue Ste 5F New York NY 10128-1244 Frances Rieffer The Depository Trust Company 55 Water St 49th Fl New York NY 10041 FRANCES TRAVER PO Box 191 THOMPSON FALLS MT 59873 Francis J Parroccini & Geraldine L Parroccin John R Parroccini Esq 201 National Dr Pittsburgh PA 15256 FRANCIS MASON RR 4 MITCHELL SD 57301 FRANCOTYP POSTALIE INC PO Box 4272 CAROL STREAM IL 60197-4272 Frank Augare dba Trails End Services HC72 Box 5005 Browning MT 59417 FRANK BURGESS 2801 S MONTANA ST BUTTE MT 59701 FRANK C BUCARO & ASSOCIATES INC 722 CANYON LANE ELGIN IL 60123 FRANK GHERARDINI 111 Viewpoint Dr HAMILTON MT 59840-9540 Frank M Cupp c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 FRANK SONNENBERG 975 2ND St MISSOULA MT 59802 Frank V Woy 2354 Middle Bear Creek Rd Victor MT 59875 FRANK V WOY 4 East 8th Street Suite 200 Wilmington DE 19801 FRANK V WOY c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellott, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 FRANK V WOY c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 FRANK V WOY Frank V Woy 2354 Middle Bear Creek Rd Victor MT 59875 FRANK WEATHERWAX ACE APPRAISAL 2116 S MINNESOTA Ave Ste 7 SIOUX FALLS SD 57105 FRANK WEITZEL 1305 GRIZZLY TRAIL BUTTE MT 59701 Franklin H J DeHaan 200 Landsmeer Ridge 1007 7th St NE Orange City IA 51041 Franklin H J DeHaan The Depository Trust Company 55 Water St 49th Fl New York NY 10041 FRANKLIN PUD PO Box 2407 PASCO WA 99303-2407 FRANKLIN STEPHEN 429 PARRIMAN ST HELENA MT 596027737 FRANKS SERVICE PO Box 7158 KALISPELL MT 59904-0158 FRANSEN LAW OFFICE PO Box 1433 ABERDEEN SD 57402 FRANZEN PLUMBING & HEATING 502 W 2ND ST NORTH PLATTE NE 69101 FRASER TOWER 715 S 28TH BILLINGS MT 59101 FRATERNAL ORDER OF EAGLES 1501 9TH STE SE GREAT FALLS MT 59405 FRATERNAL ORDER OF POLICE 2522 W 41ST ST SIOUX FALLS SD 57105 FRED GRAFF ELEMENTARY PTA 417 E SIXTH LAUREL MT 59044 FRED GRAFF ELEMENTARY PTA 417 EAST SIXTH LAUREL MT 59044 FRED PRYOR SEMINARS PO Box 2951 SHAWNEE MISSION KS 66201 FRED THE PLUMBER PO Box 1261 WEST YELLOWSTONE MT 59758 FREDDIES ELECTRIC MOTOR SUPPL 1685 DAKOTA AVE N HURON SD 57350 FREDDIES SPORTING CLAYS 40147 218TH ST HURON SD 57350 FREEMAN ACADEMY 748 S MAIN FREEMAN SD 57029 FREEMAN ATHLETIC ASSOC 27840 437TH AVE FREEMAN SD 57029-9999 FREEMAN CO PO Box 57 YANKTON SD 57078-0057

FREEMAN COMMUNITY DEVELOPMENT CORP PO Box 43 FREEMAN SD 57029 FREEMAN COURIER PO Box 950 FREEMAN SD 57029 FREEMAN HOSPITALITY INC PO Box 651 FREEMAN SD 57029 FREEMAN LUMBER COMPANY 104 N MAIN FREEMAN SD 57029 FREEMAN POLICE DEPT 185 E 3RD ST FREEMAN SD 57029 FREEMAN RURAL FIRE ASSOCIATION 43789 282 St FREEMAN SD 57029 FREEMAN TRUE VALUE PO Box 279 FREEMAN SD 57029-0297 FREMAR FARMERS COOP AGRONOMY PO BOX 357 MARION SD 57043-0357 FREMAR GRAIN MILL PO BOX 357 MARION SD 57043-0357 FRENCH/BLITZER/SCOTT LLC 156 5TH AVE NEW YORK NY 10010 FRENG RICHARD 540 OHIO NW HURON SD 57350 FRESNO CHAPTER OF WALLEYES UNLIMITED HAVRE MT 59501 FREYS ELECTRONICS 3601 6TH AVE SE ABERDENN SD 57401 FRIDLEY CONSTRUCTION PO Box 1058 LIVINGSTON MT 59047 Fried Frank Harris Shriver & Jacobson LLP Attn Brad Eric Scheler Esq One New York Plaza New York NY 10004

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 52 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country FRIENDS OF MONTANA PBS KUSM PO Box 10715 BOZEMAN MT 59719-0715 FRIENDS OF SCOUTING 319 5TH AVE BROOKINGS SD 57006 FRIENDS OF THE HISTORICAL MUSEUM BUILDING No322 FORT MISSOULA MISSOULA MT 59804 FRIENDSHIP HOUSE 3123 8TH AVE S BILLINGS MT 59101 FRIENDSHIP HOUSE OF CHRISTIAN 3123 8TH Ave S BILLINGS MT 59101 FRISCO CHEESE COMPANY 105 N LOCUST ST BIG STONE CITY SD 57216 FROMBERG HIGH SCHOOL PO Box 189 FROMBERG MT 59029 Front Range Pipeline LLC PO Box 909 Laurel MT 59044 Front Range Pipeline LLC President PO Box 909 Laurel MT 59044 FRONT STREET MARKET 8 W FRONT ST BUTTE MT 59701-2802 FRONTIER PO Box 79146 PHOENIX AZ 85062-9146 Frontier Airlines Inc Attn Corporate Accounts Desk 7001 Tower Rd Denver CO 80249 FRONTIER CHEVROLET COMPANY PO Box 80430 BILLINGS MT 59108-0430 FRONTIER COMM OF NEBRASKA 14450 BURNHAVEN DR BURNSVILLE MN 55337-0108 FRONTIER COMMUNICATIONS 14450 BURNHAVEN Dr PO Box 1108 BURNSVILLE MN 55337-0108 FRONTIER CONFERENCE 131 RAMPART Dr BUTTE MT 59701 FRONTIER CONFERENCE 901 W SILVER BUTTE MT 59701 FRONTIER LEASING 39438 277TH ST ARMOUR SD 57313 FROSTY FREEZ PO Box 1166 BIG TIMBER MT 59011-1166 FSB AUTO LEASE SERVICING PO Box 8266 BOISE ID 83707-2266 FT BENTON COMMUNITY IMPRV ASSN BUSNS MEMBERSHIP FUR TRADE FORT BENTON MT 59442-0313 FT KEARNEY SHRINE CLUB PO Box 882 KEARNEY NE 68848 FUEL MAKER CORP 3109 NORMANDY Dr MCKINNEY TX 75070 FUELMAKER CORPORATION 3109 NORMANDY Dr MCKINNEY TX 75070 FUGIS BOAT SERVICE PO Box 491 HURON SD 57350 FULLERTON LUMBER COMPANY 2409 BROADWAY AVE YANKTON SD 57078-1205 FULTON COUNTY FINANCE DEPT PO Box 105300 ATLANTA GA 30348 FULTON COUNTY TAX COMMISSIONER PO Box 105052 ATLANTA GA 30348-5052 FUNKY MUNKY JUICE & JAVA 1313 GRAND AVE BILLINGS MT 59102 FURMANITE INC PO Box 201511 HOUSTON TX 77216-1511 FUSION LIGHTING INC PO BOX 86223 MONTGOMERY VILLAGE MD 20886-6223 FUTURE HOMEMAKERS OF AMERICA PO Box 202501 HELENA MT 59620 FVCC LOGGER SPORTS 777 GRANDVIEW Dr KALISPELL MT 59901 FWMURPHY PO Box 470248 TULSA OK 74147-0248 FX DRILLING COMPANY INC PO Box 449 SHELBY MT 59474-0449 G & D ELECTRIC 514 6TH AVE N GLASGOW MT 59230 G & D Investment PO Box 1857 Aberdeen SD 57402-1857 G & H DISTRIBUTING INC 900 W RUSSELL SIOUX FALLS SD 57104 G & W ELECTRIC 135 S LASALLE DEPT 4081 CHICAGO IL 60674-4081 G BRYAN KING IV 9780 MTE PYRAMID CTE Ste 400 ENGLEWOOD CO 80112 G D R JANITORAL LLP 1087 KENO BILLINGS MT 59105 G F THOMSEN & ASSOCIATES PO Box 878 MITCHELL SD 57301 G I BODY & GLASS 503 E 4TH ST GRAND ISLAND NE 68801 G L HENNINGER ELECTRIC 2011 BRIDGER DR BOZEMAN MT 59715 G LEE CHRISTIE 6530 GOOCH HILL RD BOZEMAN MT 59715-9116 G Lee Christy dba Diamond Sprinkler Systems 6530 Gooch Hill Rd Bozeman MT 59718 G M PETROLEUM DISTRIBUTION INC 21ST St & FIRST Ave SOE BILLINGS MT 59107-0335 G RICHARD SHELL 237 HEMLOCK Rd WYNNEWOOD PA 19096 G SCHIRMER INC & ASSOCIATED 445 BELLVALE RD CHESTER NY 10918 G STEVEN BROWN 1313 11TH AVE HELENA MT 59601 G T BODY SHOP 715 S MAIN MITCHELL SD 57301 GABRIEL ELECTRONICS INC PO Box 70 SCARBOROUGH ME 04070-0070 Gabriela Morrow 1800 Mews Dr Wilmington NC 28405 GAFFANEYS PO Box 632 GLASGOW MT 59230 GAGE BROS CONCRETE MATERIALS PO Box 1963 ABERDEEN SD 57401 Gage Brothers 601 SW 9th Ave Aberdeen SD Gage Brothers Concrete Materials 601 SW 9th Ave Aberdeen SD 57401 GAIN INC PO Box 1329 CUT BANK MT 59427 GALE GROUP CREDIT DEPARTMENT 27500 DRAKE RD FARMINGTON HILLS MN 48331-3535 GALE SWIER 518 N SUMMIT MADISON SD 57042 GALE WALKER 401 W GLYNN DR PARKSTON SD 57366 Galen Gillette 519 N Main St Redfield SD GALLAGHER REPORTING & VIDEO LLC 33 S SEVENTH ST Ste 105 ALLENTOWN PA 18101 GALLATIN AIRPORT AUTHORITY 850 GALLATIN FIELD RD Ste 6 BELGRADE MT 59714 GALLATIN AIRPORT AUTHORITY STE 6 850 GALLATIN FIELD RD BELGRADE MT 59714 GALLATIN CO CLERK & RECORDER COUNTY COURTHOUSE BOZEMAN MT 59715 GALLATIN COUNTY FISCAL 311 W MAIN ST RM 304 BOZEMAN MT 59715 GALLATIN COUNTY HISTORICAL SOCIETY PIONEER MUSEUM BOZEMAN MT 59715 GALLATIN COUNTY LANDFILL 311 W MAIN ST ROOM 304 BOZEMAN MT 59715

GALLATIN COUNTY PLANNING DEPARTMENT 311 W MAIN No200 BOZEMAN MT 59715 GALLATIN COUNTY ROAD & BRIDGE DEPT 201 W TAMARACK BOZEMAN MT 59715 GALLATIN COUNTY TREASURER 311 W MAIN ST ROOM 202 BOZEMAN MT 59715 GALLATIN DEVELOPMENT CORP 222 E MAIN ST STE 102 BOZEMAN MT 59715 GALLATIN EMPIRE LIONS CLUB PO Box 504 BOZEMAN MT 59715 GALLATIN EQUIPMENT COMPANY 6600 JACKRABBIT LANE BELGRADE MT 59714-1140 GALLATIN LAUNDRY PO Box 1370 BOZEMAN MT 59771-1370 GALLATIN REST HOME 1221 W DURNSTAN RD BOZEMAN MT 59715-2725 GALLATIN SCALES INC PO Box 610 MANHATTAN MT 59741 GALLATIN SCALES INC PO Box 814 CONRAD MT 59425 GALLATIN VALLEY LAND TRUST PO Box 7021 BOZEMAN MT 59771 GALLATIN VALLEY OUTLAWS LEGION BASE PO Box 160 MANHATTAN MT 59741

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 53 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GALLATIN WATER WORKS INC 12455 GOOCH HILL RD GALLATIN GATEWAY MT 59730 GALLS AUTO REPAIR 110 W 2ND St TRIPP SD 57376 GANS INK & SUPPLY COMPANYINC 1919 W 2300 S SALT LAKE CITY UT 84119 GARBAGE INC 1690 SMITHVILLE Rd HAVRE MT 59501 GARD STRANG EDWARDS & ALDRIDE INC 209 SW OAK ST PORTLAND OR 97204-2714 GARDEN CAFE & BAKERY 11217 WRIGHT CIRCLE Ste A OMAHA NE 68144 GARDEN CITY SPRINKLERS 131 NEW MEADOWS DR MISSOULA MT 59808 GARDINER CHAMBER OF COMMERCE PO Box 81 GARDINER MT 59030 GARFIELD CARNIVAL 415 E Blvd LEWISTOWN MT 59457 GARFIELD SCHOOL CARNIVAL 415 E BLVD LEWISTOWN MT 59457 GARLINGTON LOHN & ROBINSON 199 W PINE MISSOULA MT 59807-7909 GARLINGTON LOHN & ROBINSON 199 WEST PINE PO Box 7909 MISSOULA MT 59807-7909 Garman Construction 1003 4th Ave SW Conrad MT 59425 GARMAN CONSTRUCTION LLC 1003 4TH AVE SW CONRAD MT 59425 GARRETT ALYSIA 101 MOON Ln BUTTE MT 59701 GARRETT AVIATION SERVICES IAH PO Box 642236 PITTSBURGH PA 15264-2236 Garrison Specialties PO Box 581 Helena MT 59624 Garrison Specialties Rick Garrison PO Box 581 Helena MT 59624 GARTNER GROUP INC PO Box 911319 DALLAS TX 75391-1319 GARTNER GROUP INC PO Box 911319 DALLAS TX 75391-4319 GARY & EUNICE GODDARD BILL & JOAN 120 W CALLENDER LIVINGSTON MT 59047 GARY BARTIKOUSKI 809 PARK St YANKTON SD 57078 GARY COTTRELL 1623 ADAMS BLVD GREAT FALLS MT 59404 Gary D Harrington Harringtons Fl Covering Inc 1432 Harrison Ave Butte MT 59701 Gary D Ragnow 4767 Regents Park Williamsburg VA 23188-1798 Gary D Ragnow The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Gary D Ragnow & Alma J Ragnow 4767 Regents Park Williamsburg VA 23188-1798 Gary D Ragnow & Alma J Ragnow The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Gary Drook Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 San Francisco CA 94111-2562 Gary Drook Latham & Watkins LLP Steven Sorell 633 W Fifth St Ste 4000 Los Angeles CA 90071 GARY G DROOK 2001 RUPPMAN PLAZA PEORIA IL 61614 Gary Galetti c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 Gary Kabeary 2608 Silver Blvd Billings MT 59102 GARY L FISCHER * 902 S PENN ST ABERDEEN SD 57401 GARY L KOCH 6005 S Cliff Ave Apt 314 Sioux Falls SD 57108-6121 Gary Mansikka c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 GARY OLSON 6488 Evergreen Acres Dr Wentworth SD 57075-7317 Gary Olson c o Sarah Cooper Baker Botts LLP One Shell Plaza 910 Louisiana Houston TX 77002 GARY OLSON D502 CEDAR ISLAND CLUB NEW SMYRNA FL 32168 GARY SNOW & ASSOCIATES INC PO Box 1135 PIERRE SD 57501-1135 GARY STAVA CONSTRUCTION PO Box 16 CLEAR LAKE SD 57226 GARY V STAUDINGER 3115 NETTIE St BUTTE MT 59701-6529 GARY WEBER CONSTRUCTION INC PO Box 80127 BILLINGS MT 59108-0127 GARY ZELLS AUTO GLASS INC 513 3RD St SE HURON SD 57350 GARYS BAKERY 115 N EGAN MADISON SD 57042 GARYS ELECTRIC PO Box 263 WOLSEY SD 57384 GARYS ENGINE & REPAIR 111 1ST AVE NE ABERDEEN SD 57401 GARYS GLASS & AUTO BODY 90 HWY 200 W PLAINS MT 59859 GARYS LOCK & KEY PO Box 366 MADISON SD 57042 GARYS OK TIRE STORE 628 2ND ST W REDFIELD SD 57469 GARYS REPAIR 2100 SD HIGHWAY 314 YANKTON SD 57078 GAS TURBINE CORPORATION 51 BRADLEY PARK ROAD EAST GRANBY CN 60626 GASES PLUS 899 Parkway Ln BILLINGS MT 59101 4652 GASES PLUS PO Box 789 GILLETTE WY 82717-0789 GATEWAY 2000 1414 GENESSEE ST KANSAS CITY MO 64102-1048 GATEWAY ECONOMIC DEVELOPMENT FND 1015 POPLAR St HELENA MT 59601 GATEWAY PRINTING INC PO Box 5086 MISSOULA MT 59806 Gavin Anderson & Company 220 E 42nd St New York NY 10017 GAVIN ANDERSON & COMPANY 220 E 42ND St Ste 408 NEW YORK NY 10017 GAY DAILY 1901 ROOSEVELT AVE BUTTE MT 59701 GAYLE OR LARRY HAUGE PO Box 822 COLUMBUS MT 59019 GAYLE THOM PO Box 273 STANFORD MT 59457 GAYLEN C ROTH 646 LAWNRIDGE SE HURON SD 57350 GCS SERVICE INC 2857 LOUISIANA AVE N MINNEAPOLIS MN 55427 GDR Janitorial 1305 Bluebell Dr Billings MT 59105 GDR Janitorial LLP 1087 Keno St Billings MT 59105 GE PO Box 1574 HICKORY NC 28603 GE CAPITAL 1961 HIRST Dr MOBERLY MO 65270 GE CAPITAL PO Box 640387 PITTSBURGH PA 15264-0387 GE CAPITAL PO Box 644234 PITTSBURGH PA 15264-4234 GE CAPITAL ASSIGNMENT CORPORATION 700 MAIN St LYNCHBURG VA 24504 GE Capital Financial Inc 4246 S Riverboat Rd Salt Lake City UT 84123 GE Capital Financial Inc 4248 S Riverboat Rd Salt Lake City UT 84123 GE CAPITAL FINANCILA 4246 S RIVERBOAT RD SALT LAKE CITY UT 84123 GE CAPITAL FLEET SERVICES PO Box 100363 ATLANTA GA 30384-0363 GE COMMERCIAL FINANCE 8500 NORMANDALE LAKE BLVD Ste 810 MINNEAPOLIS MN 55437 GE COMPANY 114 SANSOME St Ste 523 SAN FRANCISCO CA 94119-3736 GE CORPORATE CARD SERVICES PO Box 410406 SALT LAKE CITY UT 84141-0406 GE LIGHTING SYSTEMS INC PO Box 402485 ATLANTA GA 30384 GE PROLEC TRANSFORMERS INC PO Box 281453 ATLANTA GA 30384-1453 GE SUPPORT SERVICES LP 4601 PARK Rd Ste 600 CHARLOTTE NC 28209 GEDDES CITY PARK PO Box 19 GEDDES SD 57342-0019

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 54 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GEDDES ELEVATOR PO Box 228 GEDDES SD 57342 GEI CONSULTANTS INC 1021 MAIN St WINCHESTER MA 01890-1970 GEIL MARKETING ASSOCIATES 1064 Calle Negocio Ste D San Clemente CA 92673-4214 GEM COMPANY 915 SW 7TH MADISON SD 57042 GEMINI CONCEPTS INC 219 MAIN St Ste 100 CEDAR FALLS IA 50613 GEN~SYS ENERGY 3200 EAST Ave S LA CROSSE WI 54602-0817 GENE DAY EXCAVATING INC 222 S LAKE DR WATERTOWN SD 57201 GENE LUNDBORG RR2 BOX 61 LABOLT SD GENE SCHOON RR2 BOX 46 CORSICA SD 57328 GENE TRIPP JR PO Box 7103 MISSOULA MT 59807 GENERAL CABLE 4 EXECUTIVE CABLE SUFFERN NY 10901 GENERAL COLLECTION CO 310 N WALNUT GRAND ISLAND NE 68802-1423 GENERAL COLLECTION COMPANY 111 W FIRST St Ste 1 GRAND ISLAND NE 68801-6016 GENERAL DISTRIBUTING COMPANY 1311 N MONTANA Ave HELENA MT 59601-3518 GENERAL DISTRIBUTING COMPANY 430 17TH Ave NORTHEAST PO Box 2606 GREAT FALLS MT 59403-2606 GENERAL DISTRIBUTING COMPANY 430 17TH Ave NORTHEAST PO Box 2606 GREAT FALLS MT 59403-2606 GENERAL DISTRIBUTING COMPANY 701 S WARREN AVE BUTTE MT 59701-2753 GENERAL DISTRIBUTING COMPANY PO BOX 2606 GREAT FALLS MT 59403-2606

GENERAL ELECTRIC CAPITAL CORPORATION 1415 W 22nd St Ste 400 Oak Brook IL 60523

GENERAL ELECTRIC CAPITAL CORPORATION 44 OLD RIDGEBURY ROAD DANBURY CT 06810-5105 GENERAL ELECTRIC COMPANY PO Box 642493 PITTSBURGH PA 15264-2493

General Electric Company GE Industrial Systems Michael R Enright Esq Robinson & Cole LLP 280 Trumball Street CT 06103 GENERAL ELECTRIC POWER SYSTEMS INC 1 RIVER RD BLDG 2414 SCHENECTADY NY 12345 GENERAL ELECTRIC STRUCTURED FINANCE 120 LONG RIDGE Rd 3C18 STAMFORD CT 06927 GENERAL MACHINERY & ELECTRIC INC 1620 IDAHO St MISSOULA MT 59801 General Manager KELOTV 501 S Phillips Ave Sioux Falls SD 57102 GENERAL MONITORS INC 435 WESTHILL Dr BERTHOUD CO 80513-9601 GENERAL PARTS INC 11311 HAMPSHIRE AVE SO Minneapolis MN 55438 GENERAL SERVICES ADMINISTRATION PUBLIC BUILDING SERVICE PUBLIC SERVICE BUILDING WASHINGTON DC 20405 GENERAL SERVICES ADMINISTRATION MOUNTAINPLAINS SERVICE CENTER 8PMP ROCKY MOUNTAIN REGION BUILDING 41 ROOM 288 DENVER FEDERAL CENTER PO BOX 25546 DENVER CO 80225-0546 GENESIS ELECTRIC 1427 Sorenson RD HELENA MT 59602 6653 GENIUM GROUP INC 1171 RIVERFRONT CENTER AMSTERDAM NY 12010 GEOFFREY C HAZARD JR 513 CEDAR LANE SWARTHMORE PA 19081 GEOGRAPHICS 3450 BROWNS MILL RD SE ATLANTA GA 30354-2705 GEORGE A NICHOLAS MD 530 IOWA SE HURON SD 57350 George Anderson c o Norma Anderson c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 George Anderson c o Norma Anderson George D Anderson c o Norman Anderson 1631 Highland Helena MT 59702 GEORGE BOYLES 106 BONANZA LANE FAIRMONT WV 26554 George D Anderson c o Norman Anderson 1631 Highland Helena MT 59702 GEORGE D MAHE 1018 W BONANZA Dr CARSON CITY NV 89706 George Dano 23 32 30th Drive Astoria NY 11102 George Dano The Depository Trust Company 55 Water St 49th Fl New York NY 10041 GEORGE DICKINSON PO Box 65 LIVINGSTON MT 59047 GEORGE FOX COLLEGE FOUNDATION 414 NO MERIDIAN NEWBERG OR 97132 GEORGE GRANT CHAPTER OF TROUT PO Box 563 BUTTE MT 59703-0563 George H Selover 2046 Pryor Lane Billings MT 59102 GEORGE H SELOVER 523 N 29TH St BILLINGS MT 59101-1129 George H Selover c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 George H Selover George H Selover 2046 Pryor Lane Billings MT 59102 George H. Selover c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellott, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 George H. Selover c/o Ronald S. Gellert, Esquire Eckert Seamans, George H. Selover Cherin, & Mellot, LLC c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellott, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 GEORGE LESLIE PO BOX 91 SHERIDAN MT 597490091 GEORGE OBRIEN PO BOX 580 STOLLEY PARK ROAD GRAND ISLAND NE 68801 GEORGE SPANGLER REAL ESTATE 203 3RD AVE W SUPERIOR MT 59872 GEORGESON SHAREHOLDER 111 COMMERCE Rd CARLSTADT NJ 07072 GEORGIA DEPARTMENT OF REVENUE PO Box 740397 ATLANTA GA 30374-0397 GEORGIA DEPT OF REVENUE PO Box 105499 ATLANTA GA 30348-5499 Georgia Quilici dba Quilici Glass PO Box 525 Butte MT 59701 GEORGIA SECRETARY OF STATE PO Box 105607 ATLANTA GA 30348-5607 GERALD F WEBER 1006 S BEN ST PARKSTON SD 57366 GERALD MUELLER 440 EVANS Ave MISSOULA MT 59801 GERALDINE HIGH SCHOOL PO Box 347 GERALDINE MT 59446 GERHOLD BROS INC 45955 184TH ST CASTLEWOOD SD 57223 GERI BENSON 5823 SCENIC COURT MINNETONKA MN 55345 GERMAINE BRATCHER 2 TRAIL LANE VAUGHN MT 59487 GERMANS FROM RUSSIA HERITAGE 1125 W TURNPIKE Ave BISMARK ND 58501 GERSTNER OIL COMPANY 3004 E HWY 50 YANKTON SD 57078 GERTRUDE O PETERSON PO Box 295 CUT BANK MT 59427 GET THERE LP 3150 SABRE DR SOUTHLAKE TX 76092-2103 GET THERE LP PO Box 894234 LOS ANGELES SD 90189-4234 GET THERE LP PO Box 894234 LOS ANGELES CA 90189-4234 GEYSER HIGH SCHOOL PO Box 70 GEYSER MT 59447 GF ADVERTISING SERVICES 411 S OHLMAN MITCHELL SD 57301 GF ADVERTISING SERVICES 411 SOUTH OHLMAN MITCHELL SD 57301 GI BOTTLING CO BOX 1374 GRAND ISLAND NE 68802-1374

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 55 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GI SURGERY CENTER 3610 RICHMOND CIRCLE GRAND ISLAND NE GIBSON DUNN & CRUTCHER LLP DEPARTMENT 0723 LOS ANGELES CA 90084-0723 GIBZ CUTTAN LOOSE SALON 2053 HARRISON Ave BUTTE MT 59701 Gilbert L Loeac 795 Peekskill Dr Sunnyvale CA 94087-1817 GILBERT/K&M ELECTRICAL SYSTEMS PO Box 681 BOTHELL WA 98041-0681 GILBERT/K&M ELECTRICAL SYSTEMS & 214 INDUSTRIAL PARK Rd BECKLEY WV 25813 GILLAS J STERN* PO Box 218 FREEMAN SD 57029 GILLIS PROCESS/SERVICE PO Box 4671 BUTTE MT 59702 GILROY CONSTRUCTION 10065 2ND AVE KEARNEY NE 68847-1456 GIMBEL LISA 4012 S JUDY AVE SIOUX FALLS SD 57103 GIRL SCOUTS GOLDENROD COUNCIL 2412 E HWY 30 No14 ROVAR PARK KEARNEY NE GIRL SCOUTS OF BIG SKY COUNCIL PO Box 7128 GREAT FALLS MT 59406-7128 GIRL SCOUTS OF NYODA COUNCIL 2375 DAKOTA AVE S 102 HURON SD 57350-4334 GIRL SCOUTS TREASURE TRAILS COUNCIL PO BOX 30595 BILLINGS MT 59107-0595 GJORAAS TRAVIS 1910 GREYSON Dr PAPILLION NE 68133 GLACIER BANK 1880 HARRISON AVE BUTTE MT 59701 GLACIER COUNTY 512 EAST MAIN CUT BANK MT 59427 GLACIER COUNTY CLERK & RECORDER 512 E MAIN CUT BANK MT 59427 GLACIER COUNTY EMS 512 E MAIN CUT BANK MT 59427 GLACIER COUNTY TREASURER 512 E MAIN CUT BANK MT 59427 GLACIER ELECTRIC COOPERATIVE 410 E MAIN ST CUT BANK MT 59427-2090 GLACIER ELECTRIC COOPERATIVE 410 E MAIN ST PO Box 2090 CUT BANK MT 59427-2090 Glacier Electric Inc Vice President 410 E Main PO Box 2090 Cut Bank MT 59427 GLACIER EMERALDS 1901 S MEADOW DR KALISPELL MT 59901 Glacier Energy Inc Vice President 410 E Main PO Box 2090 Cut Bank MT 59427 GLACIER ENT HEAD & NECK SURGERY 160 HERITAGE WAY KALISPELL MT 59901 GLACIER HEARING SERVICES 160 HERITAGE WAY No203 KALISPELL MT 59901 GLACIER NORTHWEST PO Box 1730 SEATTLE WA 98111 Glacier Paving Inc PO Box 9222 Kalispell MT 59904 GLACIER PRE CAST CONCRETE 2721 HIGHWAY 93 S KALISPELL MT 59901 GLACIER PRECAST CONCRETE INC 2721 HWY 93 S KALISPELL MT 59901 GLACIER PRECAST CONCRETE INC 2721 HWY 93 SOUTH KALISPELL MT 59901 GLACIER PRODUCTS AND SERVICES 3015 LLOYD MANGRUM LANE BILLINGS MT 59106 GLACIER RESTAURANT PO Box 1330 BROWNING MT 59417 GLACIER SIGNS AND MONUMENTS 612 W MAIN CUT BANK MT 59427 GLACIER WELL SERVICE INC 14 LEWIS Rd CUT BANK MT 59427-0575

GLASGOW AREA CHAMBER OF COMMERCE 23 HIGHWAY 2 E GLASGOW MT 59230 GLASGOW BROADCASTING SYSTEM PO Box 671 GLASGOW MT 59230 GLASGOW CHAMBER OF COMMERCE PO Box 832 GLASGOW MT 59320 GLASGOW CLINIC 221 5TH Ave S GLASGOW MT 59230-2600 GLASGOW HIGH SCHOOL PO Box 28 GLASGOW MT 59230 Glasgow High Schoo PO Box 28 Glasgow MT 52230 GLASS PRODUCTS INC 2510 E IRWIN ST PIERRE SD 57501 GLASSER LEGAL WORKS 150 CLOVE RD LITTLE FALLS NJ 07424 GLASSER LEGALWORKS 150 CLOVE Rd LITTLE FALLS NJ 07424

GLASSMAN OLIVER ECONOMIC CONSULTANT 1828 L ST NW STE 405 WASHINGTON DC 20036-5104 GLASSMAN OLIVIER ECONOMIC 1828 L St NW STE 405 WASHINGTON DC 20036-5104 GLEN & LINDA CRANE 101 WILDFLOWER WAY E GALLATIN GATEWAY MT 59730 Glen Patterson and Lee Ann Patterson trustees of the 1995 Trust of Glen Russell Patterson Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Glen Schmidt PO Box 136 Olpe KS 66865 Glen Schmidt The Depository Trust Company 55 Water St 49th Fl New York NY 10041 GLENDALE COLONY RR1 BOX 85 FRANKFORT SD GLENNS OK TIRE STORE 387 4TH ST NW HURON SD 57350 Gliko Aviation Inc 579 Belt Creeek Rd Belt MT 59412 GLIKO AVIATION INC 579 BELT CREEK RD BELT MT 59412 GLJ ENERGY PUBLICATIONS INC 4100 400 3 Ave S W CALGARY AB T2P 4H2 Canada GLOBAL ATMOSPHERICS INC 2705 E MEDINA Rd TUCSON AZ 85706-7155 GLOBAL CATHODIC PROTECTION INC PO Box 571507 HOUSTON TX 77257-1507 GLOBAL CORPORATE TRUST SERVICES 0H10380 COLUMBUS OH 43271-0380 GLOBAL ENERGY CONCEPTS LLC 5729 LAKEVIEW Dr NE Ste 100 KIRKLAND WA 98033 Global Energy Concepts LLC aka GEC LLC 5729 Lakeview Dr NE Ste 100 Kirkland WA 98033 GLOBAL RENTAL CO INC PO Box 945746 ATLANTA GA 30394-5746 GLOBAL STAR 461 S Milpitas Blvd #2 Milpitas CA 95035-5438 GLOBAL TRAVEL 2650 BROOKS St MISSOULA MT 59806 GLOBALSTAR USA PO Box 7429 SAN FRANCISCO CA 94120-7429 GLORIA DEI LUTHERAN CHURCH 2300 FLORENCE Ave BUTTE MT 59701 Gloria Taylor dba Glos Cleaning Services 422 9th Ave SE Cut Bank MT 59427-3531 GLOS CLEANING SERVICE 422 9TH Ave S E CUT BANK MT 59427-3531 GMAC PO Box 1518 BILLINGS MT 59103 GMAC PO Box 5180 CAROL STREAM IL 60197-5180 GMT CONSULTANTS INC PO Box 7847 MISSOULA MT 59807 GN ACCOUNT SERVICES 1409 4TH Ave N BILLINGS MT 59101 GN HOTEL LLC 835 GREAT NORTHERN Blvd HELENA MT 59602 GO SOFTWARE 5000 BUSINESS CENTER DR STE 1000 SAVANNAH GA 31405 GODDARD REPAIR SHOP PO Box 333 COLUMBUS MT 59019 GODFATHERS PIZZA 195 21ST SW HURON SD 57350 GOED 711 E WELLS AVE PIERRE SD 57501-3369 GOEDEN CONSTRUCTION CO INC 2011 GREEN ST YANKTON SD 57078 GOEHRINGS HARDWARE & PLUMBING PO Box 388 BRISTOL SD 57219

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 56 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GOLD DUST 127 N HIGGINS Ste 307 MISSOULA MT 59802 GOLD RUSH ELECTRIC INC 1407 BIRCH ST HELENA MT 59601 GOLD STREET CLINIC 775 W GOLD St BUTTE MT 59701 GOLDEN STONE RESOURCES LLC 132 Rampart Dr Butte MT 59701 GOLDEN STONE RESOURCES LLC 4150 HILLSIDE Dr BUTTE MT 59701 GOLDEN SUNLIGHT MINE INC 453 MONTANA HIGHWAY 2 E WHITEHALL MT 59759-9612 GOLDEN SUNLIGHT MINES INC 453 MONTANA HIGHWAY 2 E WHITEHALL MT 59579 Golden Triangle Community Mental Health Center Holiday Village Shopping Center Great Falls MT 59405 GOLDEN TRIANGLE MENTAL HEALTH PO Box 1653 GREAT FALLS MT 59403 GOLDEN VALLEY COUNTY TREASURER PO Box 10 RYEGATE MT 59074 GOLDEN VALLEY CLERK & RECORDER PO Box 10 RYEGATE MT 59074 GOLDEN VALLEY COUNTY TREASURER PO Box 10 RYEGATE MT 59074 GOLDEN WEST COMMUNICATIONS PO Box 411 WALL SD 57790-0411 Goldman Sachs & Co c o ADP Goldman Sachs & Co Attn General Counse One New York Plaza New York NY 10004 Goldman Sachs & Co One New York Plaza New York NY 10004 GOLDS GYM 1605 W MAIN BOZEMAN MT 59715 GONZAGA UNIVERSITY FOUNDATION 502 E BOONE Ave SPOKANE WA 99258-0098 GOOCH HILL ENTERPRISES INC 7825 GOOCH HILL RD BOZEMAN MT 59718 GOOD EATS TAKE OUT & CATERING 801 2ND AVE N GREAT FALLS MT 59401-2678 Good Hill Enterprises Inc 7825 Gooch Hill Rd Bozeman MT 59718 GOOD SAMARITAN CENTER 130 6TH SCOTLAND SD GOOD SAMARITAN CENTER 300 N DOBSON TRIPP SD GOOD SAMARITAN CENTER 411 NW CALUMET DESMET SD GOOD SAMARITAN CENTER 913 Col Pete St CLEAR LAKE SD 57226 Good Samaritan Center 913 S 4th Ave Clear Lake SD GOODWILL INDUSTRIES OF GREATER NEBR 1804 S EDDY ST GRAND ISLAND NE 68801 GOODWIN TUCKER GROUP PO Box 3285 DES MOINES IA 50316-0285 GOOSE BAY EQUIPMENT INC 995 THIRD Ave E KALISPELL MT 59901 Gopher Sign 1310 Randolph Ave St Paul MN 55105 Gopher Sign Co Hwy 22 E Box 768 Clear Lake SD 57226 GOPHER SIGNS 1310 RANDOPLH AVE ST PAUL MN 55105 GORDON EVANS 2215 W KOENIG GRAND ISLAND NE 68801 GORDON JOHN 119033 JUNIPER ACRE RD SILVER BOW MT 597509705 GORDON SCHMIDT CONSTRUCTION INC 39316 133RD ST BATH SD 57427 GORDON SHEFFIELD PO Box 401 ENNIS MT 59729-0401 GORDY PRATT 1900 S CENTER SIOUX FALLS SD 57105 GOUGHSHANAHANJOHNSON & WATERMAN 33 S LAST CHANCE GULCH HELENA MT 59624-1715 GOUGHSHANAHANJOHNSON & WATERMAN 33 S LAST CHANCE GULCH PO Box 1715 HELENA MT 59624-1715 GOVERNORS CONFERENCE PO Box 7182 HELENA MT 59604-7182 GOVERNORS CONFERENCE ON AGING PO Box 4210 HELENA MT 59604-4210 GOVERNORS CONFERENCE ON TOURISM 365 LAST CHANCE GULCH Ste A HELENA MT 59601 GOVERNORS HUNT 711 E WELLS AVE PIERRE SD 57501 GOVERNORS OFFICE OF ECONOMIC DEV 711 E WELLS AVE PIERRE SD 57501 GPA 9324 NORWALK BLVD SANTA FE SPRINGS CA 90670 GPI Inc Mary Kega Unknown GPOA LP 135 S LASALLE DEPT 4851 CHICAGO IL 60674-4851 GRABOFSKY BRUCE 1916 HAGGIN ST ANACONDA MT 597111726 GRACE FELLOWSHIP CHRISTIAN SCHOOL 9610 S GARNETT Rd BROKEN ARROW OK 74012-6040 Graciela Rogerio 16 W 69TH ST APT 5 NEW YORK NY 10023 GRAHAM TIRE ABERDEEN 2320 6TH AVE SE ABERDEEN SD 57401 GRAHAM TIRE COMPANY PO Box 1109 MITCHELL SD 57301 GRAHAM TIRE OF BROOKINGS INC 711 W 41st St Sioux Falls SD 57105-6405 GRAHAM TIRE YANKTON 103 W 4TH St YANKTON SD 57078 GRAHAMS TRUCK BODY & PAINT LLC 3110 CEL AVE BILLINGS MT 59102 GRAND CENTRAL IGA 7 W 25TH KEARNEY NE 68847 GRAND ISLAND AREA CHAMBER 309 W 2ND GRAND ISLAND NE 68801 GRAND ISLAND AREA ECONOMIC PO Box 1486 GRAND ISLAND NE 68802-1486 GRAND ISLAND CITY TREASURER 100 E 1ST ST GRAND ISLAND NE 68802-1968 GRAND ISLAND INDEPENDENT PO Box 1208 GRAND ISLAND NE 68802 GRAND ISLAND IZAK WALTON 1417 N PIPER GRAND ISLAND NE 68803 GRAND ISLAND KIWANIS PO Box 1272 GRAND ISLAND NE 68802 GRAND ISLAND LIONS CLUB 1826 N HANCOCK AVE GRAND ISLAND NE 68803 GRAND ISLAND LITTLE THEATER PO Box 182 GRAND ISLAND NE 68802 GRAND ISLAND OPTIMIST CLUB 1826 N HANCOCK AVE GRAND ISLAND NE 68802 GRAND ISLAND PLAYGROUND COMMITTEE PO Box 485 GRAND ISLAND NE 68802-0485 GRAND ISLAND SENIOR HIGH BAND 2124 LAWRENCE LANE GRAND ISLAND NE 68803 GRAND ISLAND UNITED WAY PO Box 1574 GRAND ISLAND NE 68801 GRAND ISLAND UTILITIES DEPT PO Box 1968 GRAND ISLAND NE 68802-1968 GRAND ISLAND YMCA 221 E S FRONT ST GRAND ISLAND NE 68801 GRAND ISLAND YWCA 211 FONNER PARK Rd GRAND ISLAND NE 68801 GRANITE COUNTY CLERK & RECORDER PO Box 925 PHILLIPSBURG MT 59858 GRANITE COUNTY TREASURER COURTHOUSE PHILIPSBURG MT 59858 GRANITE DOOR COMPANY 125 REGAL St BILLINGS MT 59101 GRANITE HIGH SCHOOL PO Box 400 PHILIPSBURG MT 59859 Granite Peak Energy 1643 Lewis Ave Stes 3 & 4 Billings MT 59102 Granite Peak Energy Chief Executive Officer 1643 Lewis Ave Ste 3 & 4 Billings MT 59102 Granite Peak Energy Mr Jim Davies 1643 Lewis Ave Ste 3 & 4 Billings MT 59102 GRANITE SPORTLAND PO Box 728 PHILIPSBURG MT 59858-0728 GRANT COUNTY 210 E 5TH AVE MILBANK SD 57252 GRANT COUNTY 210 E 5TH AVE MILBANK SD 57252

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 57 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GRANT COUNTY REGISTER OF DEEDS 210 E 5TH AVE MILBANK SD 57252-2299 GRANT COUNTY REVIEW PO Box 390 MILBANK SD 57252 GRANT COUNTY TREASURER 210 E 5TH AVE MILBANK SD 57252 Grant Inc 600 Market St W Huron SD 57350 GRANT LAKEY PO Box 371 CHESTER MT 59522 GRANT VAN SANT III #2 TRUST 871260 ONE WALL St NEW YORK NY 10286 GRANTDEUEL SCHOOL 253 REVILLO SD 57259 GRAPHIC CONTROLS CORP PO Box 1271 BUFFALO NY 14240 GRAPHIC CONTROLS CORPORATION PO Box 1271 BUFFALO NY 14240-1271 GRAPHIC DESIGN BOOK CLUB PO Box 9276 CENTRAL ISLIP NY 11722-9276 GRAPHIC PACKAGING CORPORATION 1700 W Ash Ave Mitchell SD 57301 Graphic Technologies Inc 9668 Madison Blvd Madison AL 35758-9160 Graphic Technologies Inc 9668 Madison Blvd Ste 4 Madison AL 35758 GRAPHICS PLUS 1426 CEDAR St HELENA MT 59601 GRAVES LAW OFFICES P C 619 S W WATER ST Ste 3C PEORIA IL 61602 GRAY CARY WARE & FREIDENRICH LLP 401 B St Ste 2000 SAN DIEGO CA 92101-4240 GRAY PLANT MOOTY MOOTY & BENNETT 33 S SIXTH St MINNEAPOLIS MN 55402-3796 GRAY PLANT MOOTY MOOTY & BENNETT 33 SOUTH SIXTH St MINNEAPOLIS MN 55402-3796 GRAYBAR ELECTRIC COMPANY PO Box 160 MINNEAPOLIS MN 55440 GRAYBAR ELECTRIC COMPANY INC 1465 MONAD RD BILLINGS MT 59104-0834 GRAYBAR ELECTRIC COMPANY INC 1465 MONAD RD PO Box 20834 BILLINGS MT 59104-0834 GRAYBAR ELECTRIC COMPANY INC 200 W 3RD ST SIOUX FALLS SD 57104 Graybar Electric Company Inc 34 N Meramec Ave Clayton MO 63105 GRAYBEALS ALL SERVICE INC 8 BUSINESS PARK RD LIVINGSTON MT 59047 GRAYMONT WESTERN PO Box 550 TOWNSEND MT 59644 GRAYS HARBOR PUD PO Box 480 ABERDEEN WA 98520-0109 GRAYSON AUTO SUPPLY 447 3RD St SW HURON SD 57350 GREASE MONKEY PO Box 668 NORTH PLATTE NE 69103 GREAT DIVIDE SKI TEAM PO Box 480 HELENA MT 59624-0480 GREAT FALLS ALL BREED HORSE SHOW PO Box 589 GREAT FALLS MT 59403 GREAT FALLS AMERICANS HOCKEY PO Box 2652 GREAT FALLS MT 59403 GREAT FALLS AMERICANS LITTLE LEAGUE PO Box 589 GREAT FALLS MT 59406 GREAT FALLS AREA CHAMBER OF PO Box 2127 GREAT FALLS MT 59403 GREAT FALLS BASEBALL CLUB INC PO Box 1621 GREAT FALLS MT 59403 GREAT FALLS CITY COUNTY PLANNING BOARD GREAT FALLS MT 59403-5021 GREAT FALLS CLINIC PO Box 5012 GREAT FALLS MT 59403

Great Falls Clinic LLP dba Helena Physicians Clinic 3330 Ptarmigan Ln Helena MT 59602 GREAT FALLS COMMUNITY CONCERT ASSOCIATION GREAT FALLS MT 59403 GREAT FALLS CRIMESTOPPERS PO Box 1312 GREAT FALLS MT 59403 GREAT FALLS ELECTRICS & SPARKIES PO Box 2768 GREAT FALLS MT 59403 GREAT FALLS FAMILY MEDICINE 2800 11TH Ave S GREAT FALLS MT 59405 GREAT FALLS FIGURE SKATING CLUB PO Box 2333 GREAT FALLS MT 59403 GREAT FALLS HIGH SCHOOL 1900 2ND AVE S GREAT FALLS MT 59405 GREAT FALLS HIGH SCHOOL GRADUATES PO Box 589 GREAT FALLS MT 59403 GREAT FALLS LABOR TEMPLE AD FUND PO Box 476 GREAT FALLS MT 59403 GREAT FALLS LUMBER 310 6TH ST S GREAT FALLS MT 59405 GREAT FALLS MIDGETS HOCKEY PO Box 1585 GREAT FALLS MT 59403 GREAT FALLS NOON ROTARY CLUB PO Box 589 GREAT FALLS MT 59403 GREAT FALLS POLICE PROTECTIVE ASSOCIATION GREAT FALLS MT 59401 GREAT FALLS SENIOR CENTER 1004 CENTRAL AVE GREAT FALLS MT 59401 GREAT FALLS STALLIONS PO Box 25 GREAT FALLS MT 59403 GREAT FALLS SUNRISE LIONS CLUB 3309 14TH Ave S GREAT FALLS MT 59405 Great Falls Tribune Katie McGiness PO Box 5468 Great Falls MT 59403 Great Falls Tribune PO Box 5468 Great Falls MT 59403 GREAT FALLS TRUCK CENTER 2121 VAUGHN HIGHWAY GREAT FALLS MT 59403 GREAT FALLS TRUCK CENTER 2121 VAUGHN Hwy PO Box 2472 GREAT FALLS MT 59403 GREAT FALLS YOUNG PEOPLES CHOIR PO Box 1261 GREAT FALLS MT 59403 GREAT FALLS YOUTH HOCKEY ASSOC PO Box 589 GREAT FALLS MT 59403 GREAT LAKES REDI MIX 3440 W OLD HIGHWAY 30 GRAND ISLAND NE 68802 GREAT NORTHERN ENVIRONMENTAL PO Box 1933 KALISPELL MT 59903 GREAT NORTHERN EQUIPMENT INC 3001 W Broadway MISSOULA MT 59802-1616 GREAT NORTHERN EQUIPMENT INC dba H&E Equipment Services GREAT NORTHERN EQUIPMENT INC LLC c o H & E Equipment Services LLC 4899 W 2100 S Salt Lake City UT 84120 GREAT PLAINS ENTERPRISES 367 13TH ST SW HURON SD 57350 GREAT PLAINS MOVING & STORAGE 42 2ND ST NW HURON SD 57350 GREAT PLAINS NATURAL GAS CO PO Box 29 REDWOOD FALLS MN 56283-0029 GREAT PLAINS ONE CALL SERVICE PO Box 500 BLAIR NE 68008 Great Plains One Call Service Inc Attn Janelle Allison 11640 Arbor St Ste 200 Omaha NE 68144 GREAT PLAINS REGIONAL PO Box 1167 NORTH PLATTE NE 69101-1167 GREAT PLAINS SNOWTRAILERS 955 MONTANA AVE SE HURON SD 57350 GREAT PLATTE RIVER ROAD MEMORIAL GREAT PLATTE RIVER ROAD MEMORIAL FOUNDATION ARCHWAY 1004 FARNAM ST Ste 102 OMAHA NE 68102 GreatAmerica Leasing GreatAmerica Leasing Corporation PO Box 609 Cedar Rapids IA 52406-0609 GREATAMERICA LEASING CORP DEPT 8742 CHICAGO IL 60674-8742 Greater Diversified Inc as successor in interest to Greater Diversified Rental LLC formerly known as Greater Diversified Supp Sommer Barnard Ackerson PC co Jeffrey J Graham One Indiana Square Suite 3500 Indianapolis IN 46204-2023 GREATER HURON DEVELOPMENT CORP 375 DAKOTA AVE S HURON SD 57350 GREATER NEBRASKA TELEVISION PO Box 749 NORTH PLATTE NE 69103 GREATER OMAHA CHAMBER OF 1301 HARNEY ST OMAHA NE 68102

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 58 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country GREATER TORONTO AIRPORTS PO Box 6031 MISSISSAUGA ON L5P 1B2 Canada GREEN AUTO REPAIR PO Box 361 SCOTLAND SD 57059 GREEN COUNTRY FILTRATION LLC 19515 E 6TH St TULSA OK 74108 GREENBERG TRAURIG 200 PARK AVE NEW YORK NY 10166 GREG BERG PO Box 59036 HARLOWTON MT 59036 GREG BRACCO 514 BEACON Rd BUTTE MT 59701 Greg Donaldson dba Express Services Inc PO Box 268951 Oklahoma City OK 73126-8951 Greg Donaldson dba Express Services Inc Express Services 222 East Main Suite 202 Bozeman MT 59715 GREG MAIROSE 25635 368TH AVE KIMBALL SD 57355 GREG POWELL 112 N MAIN CHAMBERLAIN SD 57325 Greg Whiting c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 GREGG ENGINEERING PO Box 590 SUGAR LAND TX 77487-0590 GREGGS SUB STATION & CASINO 1000 W 41ST ST SIOUX FALLS SD 57105 Gregory G A Trandem Vice President Asset Management NorthWestern Energy Gregory G A Trandem 92 Summer Ridge Bozeman MT 59715 Gregory G Trandem c o NorthWestern Corporation 125 S Dakota Ave Sioux Falls SD 57104 GREGORY L & KIMBERLY J CARLEY 3765 WILDFIRE St EAST HELENA MT 59635 GREGSON CREEK GEOLOGICAL 185 SHIRLEY WAY ANACONDA MT 59711 GRETCHEN B DOW 470 DISCOVERY BAY BLVD DISCOVERY BAY CA 94514 GREYHOUND PACKAGE EXPRESS PO Box 650662 DALLAS TX 75265-0662 GRIDER ROBINSON & ASSOCIATES PO Box 85661 SIOUX FALLS SD 57118-5661 GRIMES MOTORS 3401 US HIWAY 23 E HELENA MT 59601 GRIZZLY ALL COLLEGE SPORTS GUIDE MISSOULA MT 59801 GRIZZLY ALL COLLEGE SPORTS GUIDE PO Box 20043 MISSOULA MT 59801 GRIZZLY ATHLETIC ASSN 1323 9 AVE S GREAT FALLS MT 59405 GRIZZLY CORPORATION 1720 S 3RD St W MISSOULA MT 59801-2246 Grizzly Corporation Fence Division 1720 S 3rd W Missoula MT 59801-2246 GRIZZLY FENCE 1720 S 3RD St W MISSOULA MT 59801-2246 GRIZZLY POWER CLEAN 1413 S 4TH St W MISSOULA MT 59801 GRIZZLY POWER CLEAN 1413 S 4TH St WEST MISSOULA MT 59801 GRIZZLY SECURITY ARMORED EXPRESS PO Box 1682 KALISPELL MT 59903 Grizzly Security Armored Express Inc PO Box 1682 Kalispell MT 59903 GROEBNER & ASSOCIATES INC 9530 FALLON AVE NE MONTICELLO MN 55362 GROJOY PLANTS INC RR 2 PO BOX 532 MADISON SD 57042 GRONSETH JESSICA 513 SANDPIPER TRAIL SIOUX FALLS SD 57108 GROSSMAN BLAINE 902 3RD AVE LAUREL MT 590442025 GROSVOLD EXCAVATING 8816 MT HWY 1 W ANACONDA MT 59711 GROSZ WELDING & REPAIR PO Box 328 SCOTLAND SD 57059 GROTE ROOFING CO 25 S 3RD ST ABERDEEN SD 57401 GROTE SHEET METAL INC 21 S 3RD ST ABERDEEN SD 57401-4021 GROTON AMERICAN LEGION PO Box 125 GROTON SD 57445 GROTON CHAMBER OF COMMERCE PO Box 21 GROTON SD 57445-0021 GROTON KIWANIS PO Box 603 GROTON SD 57445 GROTON PUBLIC SCHOOL 125 E 4TH AVE GROTON SD 57445 GROTON PUBLIC SCHOOL ELEMENTARY 810 N 1ST ST GROTON SD 57445 GROTON PUBLIC SCHOOL ELEMENTARY M J Weber Business Manager 810 N 1ST St PO BOX 410 GROTON SD 57445 GROTON PUBLIC SCHOOL HIGH SCHOOL 125 E 4TH AVE GROTON SD 57445 GROTON YOUTH CENTER PO Box 587 GROTON SD 57445-0587 GROVES CONSTRUCTION CO INC 529 Elverta Rd Elverta CA 95626-9626 GRP Plumbing 411 Market St E Huron SD 57350-2032 GRP PLUMBING 411 MARKET ST SE HURON SD 57350 GRUENWALD ELECTRIC 101 5TH AVE NE CLARK SD 57225-1232 GT CONCRETE CONSTRUCTION 713 40TH ST S BROOKINGS SD 57006 GTC SYSTEMS INC 4631 VIEWRIDGE AVE SAN DIEGO CA 92123 GTI 2729 DEFORD MILL ROAD HAMPTON COVE AL 35763 GUARDIAN SAFETY SYSTEMS INC 553 W ROLETTE ST PEMBINA ND 58271-0111 GUGGENMOS & ASSOCIATES 3201 S LAKEPORT SIOUX CITY IA 51106 GUIDE TECHNOLOGY INC 140 KIFER CT SUNNYVALE CA 94086-5120 GURNEY SEED & NURSERY CO PO BOX 4178 Greendale IN 47025-4178 GUSTAFS GREENERY 1020 S MINNESOTA AVE SIOUX FALLS SD 57105 GUSTAFSONS INC Glacier Gateway Inn & Plaza 1121 East Railroad St Cutbank MT 59427 GUSTAVE A LARSON COMPANY PO Box 683006 MILWAUKEE WI 53268-3006 GUTWEIN & CO 4824 TAZER Dr LAFAYETTE IN 47905 Guy Jones 65 Billman Lane D8 Livingston MT 59047 Guy Jones and Crash Repair Cente 65 Billman Lane D8 Livingston MT 59047 GUYERS BUILDER SUPPLY INC 13405 15TH AVE N PLYMOUTH MN 55441 GW PETROLEUM 1002 E Broadway MISSOULA MT 59807 H & E EQUIPMENT LLC 3001 W Broadway ST MISSOULA MT 59808 H & G CLEANERS PO Box 2208 NORTH PLATTE NE 69103-2208 H & H CONTRACTING INC 501 CENTENNIAL AVE BUTTE MT 59701 H & H CUSTOM MEATS 1801 S Ave W MISSOULA MT 59801 H & H ENTERPRISES PO Box 437 BLACK EAGLE MT 59414-0437 H & H Enterprises PO Box 437 Black Eagle MT 59414 H & H ENTERPRISES OF MONTANA 280 WIND CAVE CIRCLE BILLINGS MT 59102 H & H VALVE SERVICES INC 3849 SLATER Dr ODESSA TX 79769 H & K OIL COMPANY E HIGHWAY 50 YANKTON SD 57078 H & W TRAILER MANUFACTURING 1910 W HAVENS MITCHELL SD 57301 H A STILES COMPANY PO Box 779 WESTBROOK ME 04098 H D ELECTRIC COOPERATIVE INC PO Box 1007 CLEAR LAKE SD 57226-1007 H D ELECTRONICS INC 445 KROSHUS DR DILWORTH MN 56529 H J ARNETT INDUSTRIES INC 7500 S W TECH CENTER DR STE 130 PORTLAND OR 97223 H P LASER PRODUCTS 2814 SPRING RD ATLANTA GA 30339

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 59 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country H R DIRECT PO Box 6213 CAROL STREAM IL 60197-6213 H R OPTIONS INC 1990 N CALIFORNIA BLVD WALNUT CREEK CA 94596 H&G CLEANERS 2672 N HIGHWAY 83 NORTH PLATTE NE 69101 H&H Enterprises of Montana Inc 280 Wind Cave Circle BILLINGS MT 59102 H&R Block Financial Advisors c o ADP H&S SUPPLY INC 5961 MARION Dr DENVER CO 80216-1219 HAAN JACK 210 E 1ST ST REDFIELD SD 57469 HABITAT FOR HUMANITY PO Box 2836 KALISPELL MT 59903 HABITAT FOR HUMANITY OF SW MT PO Box 632 BUTTE MT 59703 HAGELS LAWN CARE 559 4TH St SW HURON SD 57350 HAGEN RPINTING CO PO Box 1458 BILLINGS MT 59103 Hagen Wilka & Archer PC John F Archer 600 S Main Ave Ste 102 PO Box 964 Sioux Falls SD 57104 HAIL COLUMBIA RANCH 103 HAIL COLUMBIA GULCH BUTTE MT 59701 HAILE WELDING 2217 W 3RD ST GRAND ISLAND NE 68803 HALL CO AIRPORT ATH 3743 SKY PARK RD GRAND ISLAND NE 68801-9142 HALL CO HOUSING 911 BAUMANN DR GRAND ISLAND NE 68803-4405 HALL COUNTY BUILDING DEPT PO Box 1048 GRAND ISLAND NE 68802-1048 HALL COUNTY CLERK 121 S PINE GRAND ISLAND NE 68801 HALL COUNTY REGISTER OF DEEDS 121 S PINE GRAND ISLAND NE 68801 HALL COUNTY SHERIFF HALL COUNTY COURT HOUSE GRAND ISLAND NE 68801 HALL COUNTY TREASURER 121 S PINE GRAND ISLAND NE 68801 Hall County Treasurer c o Hall County Attorney 231 South Locust Street PO Box 367 Grand Island NE 68802 HALL MACHINE WORKS 900 3RD AVE S CLEAR LAKE SD 57226 HALL WIDDOSS & COMPANY PC 1001 SW HIGGINS AVE Ste 201 MISSOULA MT 59803 HALLS SAFETY EQUIPMENT INC PO Box 230 GROVE CITY PA 16127-0230 HALSEY CONSTRUCTION CO INC 810 CEDAR ST SPRINGFIELD SD 57062 HAMANN BROS HAMANN GORDON AND RUSSELL RR 1 BOX 251 ESTELLINE SD HAMILTON ASSOCIATES INC 14700 W 66TH PLACE UNIT 11 ARVADA CO 80004 HAMILTON BASEBALL ASSOCIATION PO Box 1483 HAMILTON MT 59840 HAMILTON ROCK PRODUCTS LLC PO Box 961 WHITEFISH MT 59937 HAMILTON SCHOOL DISTRICT 217 DALY Ave HAMILTON MT 59840 HAMLIN BUILDING CENTER PO Box 351 HAYTI SD 57241 HAMLIN COUNTY PO Box 128 HAYTI SD 57241 HAMLIN COUNTY CLERK OF COURTS PO Box 256 HAYTI SD 57241 HAMLIN COUNTY HERALD ENTERPRIS PO Box 207 HAYTI SD 57241 HAMLIN COUNTY REGISTER OF DEED PO Box 128 HAYTI SD 57241 HAMLIN COUNTY REPUBLICAN PO Box 50 CASTLEWOOD SD 57223 HAMLIN COUNTY TREASURER PO Box 267 HAYTI SD 57241 HAMLINE UNIVERSITY 1536 HEWITT Ave ST PAUL MN 55104 HAMPTON INN 3449 HARRISON AVE BUTTE MT 59701 HAMPTON INN 4805 N RESERVE ST MISSOULA MT 59808 HAND COUNTY 911 415 W 1ST AVE MILLER SD 57362 HAND COUNTY TREASURER 415 W 1ST AVE MILLER SD 57362 HANGAR RESTAURANT & LOUNGE PO Box 124 HURON SD 57350 HANISZEWSKI MARY 215 NORTH AVE W MISSOULA MT 598016710 HANKS CLEANING SERVICE PO Box 4741 MISSOULA MT 59806 HANKS FIRE SERVICE PO Box 7363 GREAT FALLS MT 59406-7363 Hanks Fire Service PO Box 7363 Great Falls MT 59406 Hanks Fire Service Inc PO Box 7363 Great Falls MT 59406 HANSEN LOCKSMITHING 103 COTTONWOOD LANE YANKTON SD 57078 HANSEN PLUMBING INC 118 E COMMERCIAL OBERLIN KS 67749 HANSEN SHEET METAL INC PO Box 370 HAVRE MT 59501 HANSEN WHOLESALE COMPANY 364 N WALNUT GRAND ISLAND NE 68802 HANSEN WHOLESALE COMPANY 364 N WALNUT PO Box 1325 GRAND ISLAND NE 68802 HANSON AUTO BODY INC 324 PIKE Ave PO Box 845 COLUMBUS MT 59019 HANSON CONSTRUCTION PO Box 503 FAULKTON SD 57438 HANSON COUNTY TREASURER PO Box 500 ALEXANDRIA SD 57311 HANSON DIRECTORY SERVICE INC PO Box 786 NEWTON IA 50208 HANSON ELECTRIC INC 445 ORCHARD RIDGE RD KALISPELL MT 59901 Hanson Indep 40 PO Box 490 Alexandria SD 57311-0490 HANSON INDEPENDENT SCHOOL DISTRICT PO BOX 490 ALEXANDRIA SD 57311 HANSON SCHOOL DISTRICT PO Box 490 ALEXANDRIA SD 57311 HANSON VIRGINIA 777 GREENACRES RD BUTTE MT 59701 HANTEN REPAIR & SUPPLY 311 S MAIN WEBSTER SD 57274 HAPPY DAYS PO Box 277 WHITE SULPHUR SPRINGS MT 59645 Harbert Distressed Investment Master Fund Ltd c o James Donnell Andrews & Kurth LLP 600 Travis Suite 4200 Houston TX 77002 HARBORS INTL 7020 S YALE Ste 206 TULSA OK 74136 HARDIN AREA CHAMBER OF COMMERCE 10 E RAILWAY ST HARDIN MT 59034-1919 HARDIN HIGH SCHOOL 702 N TERRY AVE HARDIN MT 59034 HARDPAN GAS GATHERING SYSTEM LTD FIRST FEDERAL BUILD Ste 306 2929 3RD AVE N BILLINGS MT 59101 HARLEM LIONS CLUB PO Box 932 HARLEM MT 59526 HARLOWTON 4TH OF JULY NRA RODEO PO Box 788 HARLOWTON MT 59036 HARLOWTON AREA CHAMBER OF PO Box 694 HARLOWTON MT 59036 HARLOWTON HIGH SCHOOL PO Box 288 HARLOWTON MT 59036 HARMS OIL COMPANY 411 SW 10TH AVE ABERDEEN SD 57401 HARMS OLD FOR ABERDEEN 411 SW 10TH Ave ABERDEEN SD 57401 Harold & Rynee Stewart c o Bremseth Law Firm 810 E Lake Street Wayzata MN 55391 Harold Henning Route 1 Alda NE 68810 Harold Holderith & Ida Holderith 565 55th Ave NE St Petersburg FL 33703 Harold Holderith & Ida Holderith The Depository Trust Company 55 Water St 49th Fl New York NY 10041 HAROLD LUX 106 NE WASHINGTON ABERDEEN SD 57401

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 60 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country HAROLDS PHOTO CENTERS PO Box 1466 SIOUX FALLS SD 57101 HARP ENGINEERING INC PO Box 290 Dickinson ND 58602-0290 HARP LINE CONSTRUCTORS CO PO Box 8688 KALISPELL MT 59904-1688 HARP LINE CONSTRUCTORS COMPANY HIGHWAY 2 W PO BOX 8688 KALISPELL MT 59904 HARR MOTORS INC PO Box 1885 ABERDEEN SD 57401 HARRINGTON PEPSI BOTTLING CO PO Box 3178 BUTTE MT 59702-3178 Harringtons Floor Covering Inc 1432 Harrison Ave Butte MT 59701 HARRIS CORPORATION 330 TWIN DOLPHIN Dr REDWOOD SHORES CA 94065-1421 HARRIS CORPORATION FARINON DIVISION SAN ANTONIO TX 78249 HARRIS WOOD WORK CO 130 HORSESHOE BEND HELENA MT 59601 Harrison High Schoo PO Box 7 Harrison MT 59735 HARRS SERVICE PHILLIPS 66 BOX 670 FREEMAN SD Harry F Whalen TTEE Harry F Whalen Rev Trust UA DTD 6 22 93 3 Lord Nelson Dr Bella Vista AR 72714-2614 HARRY FOX AGENCY INC 711 THIRD AVE 8TH Fl NEW YORK NY 10017 HARRY LINDBERY CO IN 6901 MALONEY AVE HOPKINS MN 55343 HART DESIGN & MFG INC 1940 RADISSON ST GREEN BAY WI 54302 Hartford Life and Accident Insurance Company 200 Hopmeadow St Simsbury CT 06089 Hartford Life and Accident Insurance Company c o Hartford Fire Insurance Company Hartford Plaza Tower A T 1 55 Hartford CT 06115 HARTFORD LIFE INSURANCE COMPANY 401 MARKET St PHILADELPHIA PA 19106 HARTINGTON TELECOMMUNICATIONS 104 W CENTRE ST HARTINGTON NE 68739 HARTMAN TROY 1413 LAKOTA AVE BRANDON SD 57005 HARVARD BUSINESS REVIEW SUBSCRIPTION SERVICE DEPTE BOULDER CO 80321-2622 Harvey Everest 1805 Drury Ln Oklahoma City OK 73116 Harvey Everest Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Harvey Everest Harvey Everest 1805 Drury Ln Oklahoma City OK 73116 Harvey Moser PSP 74 WENSLEY DR GREAT NECK NY 11020 Harvey S Moser M D P C 74 Wensley Drive Great Neck NY 11020-1833 Harvey S Moser M D P C The Depository Trust Company 55 Water St 49th Fl New York NY 10041 HARVEY WORRALL 450 LIPPARD Rd LOMA MT 59460 HARVIES HOT SHOT SVCE&TRK INC PO Box 2175 CUT BANK MT 59427 Harvies Hotshot Service & Trucking Inc PO Box 2175 Cut Bank MT 59427 HARZA ENGINEERING CO 9600 SW OAK ST Ste 350 PORTLAND OR 97223 HASE PLUMBING & HEATING 133 N ROOSEVELT ABERDEEN SD 57402 HASLER INC PO Box 895 SHELTON CT 06484-0895 HASSLER TRANSPORT INC 1308 EVANS Ave BUTTE MT 59701 HASTINGS FIBER GLASS PRODUCTS INC 770 COOK Rd HASTINGS MI 49058-0218 HASTINGS UTILITIES 1228 N DENVER HASTINGS NE 68902-0289 HATTEN ELECTRIC SERVICE & BAK PO Box 843 HASTINGS NE 68902-0843 HAUCK PLUMBING & HEATING 201 8TH AVE SW ABERDEEN SD 57401 HAUGANS ELECTRIC PO Box 1411 LIVINGSTON MT 59047 HAUGE ASSOCIATES INC PO Box 88610 SIOUX FALLS SD 57109 HAUSER PLUMBING & HEATING INC 1816 Harve Ave MISSOULA MT 59801-8334 HAVRE AMERICAN LEGION BASEBALL PO Box 191 HAVRE MT 59501 HAVRE CENTRAL BOOSTER CLUB PO Box 655 HAVRE MT 59501 HAVRE CHAMBER OF COMMERCE PO Box 308 HAVRE MT 59501 HAVRE DAILY NEWS 119 2ND St HAVRE MT 59501-0431 HAVRE DAY CARE CENTER INC PO Box 1847 HAVRE MT 59501 HAVRE GIRLS SOFTBALL PO Box 191 HAVRE MT 59501 HAVRE HIGH SCHOOL GRADUATES PO Box 191 HAVRE MT 59501 HAVRE HIGH SCHOOL RODEO CLUB HC 30 HAVRE MT 59501 HAVRE LIONS SWIM TEAM PO Box 207 HAVRE MT 59501-0207 HAVRE PIPELINE COMPANY LLC GAS CONTROL 410 17TH St Ste 1400 DENVER CO 80202 HAVRE POLICE PROTECTIVE ASSN 520 4TH ST HAVRE MT 59501-3550 HAVRE READY MIX PO Box 111 Havre MT 59501-0111 HAVRE REFRIGERATION INC 1064 MCKINLEY AVE HAVRE MT 59501 HAVRE SAND & GRAVEL PO Box 111 HAVRE MT 59501 HAVRE YOUTH BASEBALL 804 10TH St HAVRE MT 59501 HAVRE YOUTH BOWLING ASSOCIATION 427 19TH ST HAVRE MT 59501-5230 HAVRE YOUTH HOCKEY ASSOCIATION PO Box 774 HAVRE MT 59501 HAVRE YOUTH SOCCER ASSN PO Box 2118 HAVRE MT 59501-2118 HAWK BOOSTERS 205 NE 11TH BOZEMAN MT 59715 HAWKINS WATER TREATMENT 3000 E HENNEPIN AVE MINNEAPOLIS MN 55413-2984 HAYDEN MARKETING & PUBLIC RELATIONS 222 N 32ND Ste 904 BILLINGS MT 59101 Hayden Marketing and Public Relations 222 N 32nd Ste 904 Billings MT 59101 Hayden Marketing and Public Relations Judy Chapman 222 N 32nd Ste 904 Billings MT 59101 HAZEL ROWEN PO BOX 105 WESSINGTON SD 57381-0105 Hazlett Burt and Watson Inc (ADP) c o ADP Hazlett Burt and Watson Inc (Non-ADP) Attn Timothy M Bidwel 1300 Chapline Street Wheeling WV 26003 HC CLARK IMPLEMENT 4411 E HIGHWAY 12 ABERDEEN SD 57401 HC CLARK IMPLEMENT CO INC PO Box 1158 ABERDEEN SD 57401 HCI PUBLICATIONS 410 ARCHIBALD ST KANSAS CITY MO 64111-3046 HCL TRUCK EQUIPMENT INC PO Box 1338 BILLINGS MT 59103 HCR INCORPORATED PO Box 149 LEWISTOWN MT 59457 HD Electric Coop 423 3rd Ave SE Clear Lake SD HDW ELECTRONICS 89 S COMMERCE WAY BETHELEM PA 18017 HEAD START PO Box 191 HAVRE MT 59501 HEADWATERS COOPERATIVE RECYCLING 305 W MERCURY BUTTE MT 59701 HEADWATERS CRIMESTOPPERS PO Box 3822 BOZEMAN MT 59772 HEADWATERS GMC TRUCK SALES & 304 1ST Ave W THREE FORKS MT 59752 Health Advantage Company 5600 W Maple Road A140 West Bloomfield MI 48322 HEALTH AND HUMAN SERVICES PO Box 218 KEARNEY NE 68848 HEALTH DYNAMICS INC PO Box 1719 MISSOULA MT 59806-1719

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 61 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Health Infonet Inc Robert L Hunter 1156 16th St W Billings MT 59102 HealthInfoNet 406 2566556 FAX # 4062569466 PO Box 2506 1101 N 27th St Ste 202 Billings MT 59103 HEALTHY MOTHERS HEALTHY BABIES PO Box 876 HELENA MT 59624 HEART BUTTE HIGH SCHOOL FRANCIS P GUARDIPEE HEART BUTTE MT 59448 HEARTBEAT PO Box 723 BELGRADE MT 59714 HEARTLAND BUSINESS INTELLIGENC 821 MARQUETTE AVE MINNEAPOLIS MN 55402 HEARTLAND COLLECTIONS INC 505 LINCOLN AVE SW HURON SD 57350 Heartland Communications Inc 1st and Pine PO Box 48 Kimball SD 57355 HEARTLAND ELECTRIC CO 4035 STAUSS RD GRAND ISLAND NE 68802 HEARTLAND ENERGY SERVICES INC Attn Richard Friedman 802 W BROADWAY Ste 301 MADISON WI 53713 HEARTLAND GRAIN FUELS LD 694 W PARK AVE NW HURON SD 57350 HEARTLAND NEWS INC PO Box 550 CHAMBERLAIN SD 57325-0550 HEARTLAND UNITED WAY INC 410 W 2ND ST GRAND ISLAND NE 68802-1574 Heartlnd Gain Fuels PO Box 1435 Aberdeen SD 57402-1435 HEATH CONSULTANTS INC 9030 MONROE RD HOUSTON TX 77061 Heath Consultants Inc PO Box 1267 West Sacramento CA 95691-1267 HEATH LUMBER PO Box 238 KIMBALL SD 57355 HEAVY RUNNER SWIMMING POOL & PO Box 850 BROWNING MT 59417-0850 HEAVY WATER HAULERS INC PO Box 142 WINNETT MT 59087 HEDMAN ASA & GILMAN PO Box 394 KALISPELL MT 59903-0394 HEGG COMPANIES 1300 W 57TH ST SOIUX FALLS SD 57108 HEIDELBERG USA 1000 GUTENBERG DR KENNESAW GA 30144 HEIDRICK & STRUGGLES INC PO Box 92227 CHICAGO IL HEIGHTS LITTLE LEAGUE PO Box 50535 BILLINGS MT 59103 HEIMAN INC 248 HIGHWAY 60 BLVD ASHTON IA 51232 HEISEY YOUTH CENTER 313 7TH St N GREAT FALLS MT 59401 HELEN KOVICH 1108 N PARK Ave HELENA MT 59601 Helen M Podany 82625 568 Ave Clarkson NE 68629 HELEN PARKER 1417 B ORCHARD DR BROOKINGS SD 57006 HELEN V PETERSON SCHUETTE PO Box 313 CUT BANK MT 59427 Helena Independent Record PO Box 4249 Helena MT 59604-4249 HELENA ADVERTISING FEDERATION PO Box 84 HELENA MT 59624 HELENA AREA CHAMBER OF COMMERCE 225 CRUSE Ave HELENA MT 59601 HELENA AREA HABITAT FOR HUMANITY HELENA MT 59624 HELENA AREA HOUSING TASK FORCE 540 W MAIN HELENA MT 59601 HELENA BABE RUTH BASEBALL PO Box 1280 HELENA MT 59624-1280 HELENA BIGHORNS HOCKEY 400 LOLA ST HELENA MT 59601 HELENA BREWERS PO Box 6756 HELENA MT 59604 HELENA BUILDING INDUSTRY ASSOC PO Box 244 HELENA MT 59624 HELENA CATHEDRAL 530 N EWING HELENA MT 59601 HELENA CHAMBER OF COMMERCE 225 CRUSE Ave Ste A HELENA MT 59601 HELENA CHEMICAL CO PO Box 1546 HAVRE MT 59501 HELENA CHEMICAL COMPANY 105TH Ave SO LAUREL MT 59044 HELENA CIVIC CENTER 340 NEILL Ave HELENA MT 59601 HELENA CIVIC TELEVISION 1015 POPLAR St HELENA MT 59601 HELENA EDUCATION FOUNDATION 55 S RODNEY ST HELENA MT 59601 HELENA GUN CLUB PO Box 4158 HELENA MT 59604-4158 HELENA HEALTH CARE 405 SADDLE Dr HELENA MT 59601 HELENA HIGH SCHOOL 1300 BILLINGS AVE HELENA MT 59601 HELENA HOUSING AUTHORITY 812 ABBEY HELENA MT 59601 HELENA IMPROVEMENT SOCIETY 225 CRUSE ST NoB HELENA MT 59601-5088 HELENA INDEPENDENT RECORD PO Box 4249 HELENA MT 59604-4249 HELENA LIONS SWIM TEAM 8 LAVA MOUNTAIN CT CLANCY MT 59634 HELENA MEDICAL LABORATORY 27 NEILL Ave No103 HELENA MT 59601-3330 HELENA MOTOR REPAIR 1513 NATIONAL Ave HELENA MT 59601 HELENA OFFICE OUTFITTERS PO Box 1034 HELENA MT 59624 HELENA ORTHOPEDIC CLINIC 2442 WINNIE Ave HELENA MT 59601-4913 HELENA PHYSICIANS CLINIC 3333 PTARMIGAN LANE HELENA MT 59602 HELENA REGIONAL AIRPORT 2850 SKYWAY DR HELENA MT 59602 Helena Sand & Gravel Inc PO Box 5960 Helena MT 59604 HELENA SATELLITE TV 2115 EUCLID AVE HELENA MT 59601 HELENA SEPTIC PUMPING SERVICE PO Box 610 EAST HELENA MT 59635-0610 HELENA SHEET METAL WORKS CO 711 N MAIN ST HELENA MT 59601-3349 HELENA SMALL FRY FOOTBALL PO Box 6204 HELENA MT 59604-6204 HELENA STAMP WORKS PO Box 1250 HELENA MT 59624 HELENA SYMPHONY SOCIETY PO Box 1073 HELENA MT 59634 HELENA TRAILER SALES 1941 N MAIN HELENA MT 59601 HELENA URGENT CARE 33 NEIL AVEE Ste 208 HELENA MT 59601 HELENA YMCA 1200 N LAST CHANCE GULCH HELENA MT 59601 HELENA YOUTH HOCKEY PO Box 360 HELENA MT 59624 HELLGATE CIVILIAN SHOOTERS 3840 SPURGIN Rd MISSOULA MT 59804-3008 HELLGATE LIONS CLUB PO Box 16010 MISSOULA MT 59808-6010 HELP! LINE CENTER INC 1000 N WEST AVE STE 310 SIOUX FALLS SD 57104-1314 HEMPEL RICHARD 1321 E HANSON ST MITCHELL SD 57301 HENDRICKSON COURT REPORTING 825 GREAT NORTHERN BLVD No306 HELENA MT 59601-3340 HENDRIX WIRE & CABLE CORP OLD WILTON Rd MILFORD NH 03055 HENKE TRACTOR REPAIR 113 N 2ND ST PARKSTON SD 57366 HENKINSCHULTZ COMMUNICATION 6201 S PINNACLE PLACE SIOUX FALLS SD 57108 HENNINGSENVUCUROVICH & RICHARDSON 116 W GRANITE St BUTTE MT 59701 HENRICH & SONS INC RR 1 BELLINGHAM MN 56212 HENRY CARLSON CONSTRUCTION 1105 W RUSSELL SIOUX FALLS SD 57104 HENRY D BEDFORD JR & KAY BEDFORD 664 FATTIG CREEK Rd ROUNDUP MT 59072

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 62 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country HenryJ Semerak & Eva B Semerak 14422 Little Willow Walk Houston TX 77062 HERB THOMAS 1211 OHIO SW HURON SD 57350 HERITAGE CENTER 306 3RD AVE HAVRE MT 59501 HERMAN & CHARLOTTE CHRISTIANSEN 7568 HAUSER DAM Dr HELENA MT 59602 Herman Gonzales c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 HERMAN GONZALES & CHRIS RAGAR 1700 W KOCH Ste 3 BOZEMAN MT 59715 Herman Gonzales Fawn Lyons and Ken Laudato and all others similarly situated being members of a c o Lon J Dale Esquire and Chris class Ragar Esquire Milodragovich Dale Steinbrenner & Binney PC 620 High Park Way PO Box 4947 Missoula MT 59806-4947 Herman Gonzales Fawn Lyons and Ken Laudato and all others similarly situated being members of a class Milodragovich Dale Steinbrenner & Binney PC 620 High Park Way PO Box 4947 Missoula MT 59806-4947 Herman Gonzales Fawn Lyons and Ken Laudato and all others similarly situated being members of a c o Lon J Dale Esquire and Chris class Ragar Esquire Milodragovich Dale Steinbrenner & Binney PC 620 High Park Way PO Box 4947 Missoula MT 59806-4947 Herman Lerdahl 5216 S Sweetbriar Ct Sioux Falls SD 57108-2855 HERMAN LERDAL 5216 S SWEETBRIAN COURT SIOUX FALLS SD 57108-2855 HERMAN LERDAL 5216 S SWEETBRIAR CT SIOUX FALLS SD 57108-2855 herman plumbing 904 N broadwell grand island NE 68803 HERMAN SERVICES 2305 PIONEER BLVD GRAND ISLAND NE 68801 Hermann Kosak 211 Brook Court Athens GA 30606 Hermann Kosak The Depository Trust Company 55 Water St 49th Fl New York NY 10041 HERMSMEIER ENTERPRISES INC 601 NEW CASTLE RD MARSHALLTOWN IA 50158-5251 HERR GLEN 5001 S GLENVIEW Rd SIOUX FALLS SD 57108 Hertz - rental car for Linda Wasley claim 226 East Broadway Butte MT 59701 HERTZ EAST RIDGE RENTALS 226 E Broadway BUTTE MT 59701 HERTZ EQUIPMENT RENTAL PO Box 26390 OKLAHOMA CITY OK 73126 HERTZ RENT A CAR 226 E Broadway BUTTE MT 59701 HESLA SERVICES 1017 E 4TH ST WEBSTER SD 57274 HEWLETT PACKARD COMPANY 10090 FOOTHILLS BLVD ROSEVILLE CA 95747 HEWLETT PACKARD COMPANY PO Box 951084 DALLAS TX 75395-1084 HEWLETTPACKARD COMPANY 8000 FOOTHILLS BLVD MS 5634 ROSEVILLE CA 95747-5634 HEYDON OVERHEAD DOOR CO PO Box 105 RUDYARD MT 59540-0105 HF JACOBS & SON CONSTRUCTION 1510 CEDAR Dr ABERDEEN SD 57401-1120 HI BALL TRUCKING INC PO Box 80325 BILLINGS MT 59108-0325 HI LINE FERTILIZER PO Box 228 HINGHAM MT 59528 HI LINE FLOOR CARE 669 HILL ST SHELBY MT 59474 HI LINE OILFIELD SERVICES PO Box 1323 CUT BANK MT 59427 HI LINE REGIONAL SCIENCE & PO Box 205 BOX ELDER MT 59521-0205 HI LINE REGIONAL SCIENCE FAIR 1010 OILFIELD SHELBY MT 59474 HI LINE UTILITY SUPPLY COMPANY 1695 CAMBRIDGE DR ELGIN IL 60123 HI NOON PETROLEUM INC PO Box 7578 MISSOULA MT 59807 HICKMAN DANIEL 4150 HILLSIDE DR BUTTE MT 59701 HIGH ALTITUDE DISTRIBUTING 1120 E FRONT St BUTTE MT 59701 High Country Equipment Inc PO Box 498 Red Lodge MT 59068 HIGH COUNTRY INDEPENDENT PRESS 220 S Broadway BELGRADE MT 59714 HIGH COUNTRY LINEN SUPPLY CO 121 1ST Ave E KALISPELL MT 59901-4558 High Mountain Inspection Services In PO Box 1508 Mills WY 82644 HIGH MOUNTAIN INSPECTION SRVS INC PO Box 1508 MILLS WY 82644 HIGH SCHOOL BUSINESS CHALLENGE PO Box 1162 HELENA MT 59624-1162 HIGH TECH LINEN 111 E SPRUCE MISSOULA MT 59802 HIGH VOLTAGE TEST LABORATORY PO Box 1414 MINNEAPOLIS MN 55480-1414 HIGHFIELD MANUFACTURING CO 380 MOUNTAIN GROVE BRIDGEPORT CT 06601 HIGHFIELD MANUFACTURING CO 380 MOUNTAIN GROVE PO Box 549 BRIDGEPORT CT 06601 Highfield Mfg Co Inc 380 Mountain grove St Bridgeport CT 06605 Highland Hearing Center 1369 Harrison Ave Butte MT 59701 HIGHLAND HEARING CENTER PLLC 1369 HARRISON Ave BUTTE MT 59701 Highland Repair 2000 waterline Rd Butte MT 59701 HIGHLANDS HOSPICE 3703 HARRISON Ave BUTTE MT 59701 HIGHLINE COMMUNICATIONS PO Box 205 CUT BANK MT 59427 HIGHLINE EQUIPMENT INC 19020 B SW CIPOLE RD TUALATIN OR 97062 HIGHLINE PRODUCTS 800 S St WAITHAM MA 02453 HIGHMORE BALL CLUB PO Box 274 HIGHMORE SD 57345-0274 HIGHMORE WATER DEPARTMENT PO Box 299 HIGHMORE SD 57345 HIGHWAY 37 ASSOCIATION PO Box 329 SPRINGFIELD SD 57062 HIGHWAY SPECIALTIES INC 2424 OLD HAVRE HIGHWAY BLACK EAGLE MT 59414 HIGHWOOD HIGH SCHOOL PO Box 1005 HIGHWOOD MT 59450 HILARY J BENBENEK 3325 NORTH Ave W MISSOULA MT 59801 HILD PROPANE COMPANY INC 1118 N JEFFERS NORTH PLATTE NE 69101 HILDA DAVIES 1225 S GARFIELD ST MISSOULA MT 59801 HILINE REDI MIX LLC PO Box 370 SHELBY MT 59474 HILL COUNTY CLERK & RECORDER 315 4TH St HAVRE MT 59501 HILL COUNTY CLERK OF COURT 300 4TH St HAVRE MT 59501 Hill County Courthouse Havre MT 59701 HILL COUNTY ELECTRIC COOPERATIVE IN 2121 HWY 2 NW HAVRE MT 59501 HILL COUNTY ELECTRIC COOPERATIVE IN 2121 HWY 2 NW PO Box 2330 HAVRE MT 59501 HILL COUNTY EXTENSION 315 4TH St HAVRE MT 59501 HILL COUNTY TREASURER COURTHOUSE HAVRE MT 59501 HILLCREST GOLF & COUNTRY CLUB 2206 Mulberry St YANKTON SD 57078-1748 HILLSIDE HUTTERIAN BRETHREN INC 18248 HILLSIDE LN DOLAND SD 57436 HILLYARD PO Box 900 SIOUX FALLS SD 57101-0900 HILTI INC PO Box 21148 TULSA OK 74121

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 63 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Hing C Shih 9914 Juniper Hill Rd Rockville MD 20850 Hing C Shih The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Hinsdale High Schoo PO Box 398 Hinsdale MT 59241 HINSON POWER COMPANY LLC 301 TRESSER BLVD STAMFORD CT 06901 HIPOTRONICS PO Box 414 BREWSTER NY 10509 HITCHCOCK COMMUNITY PLANNERS C/O SHARON TSCHETTER HITCHCOCK SD 57348 HJERMSTAD TRUCKING INC 302 6TH ST FLORENCE SD 57235-2111 HKM ENGINEERING INC 1015 S MONTANA St BUTTE MT 59702 HKM Engineering Inc PO Box 3588 Butte MT 59702-3588 HOBSON HIGH SCHOOL PO Box 410 HOBSON MT 59452 HOBSON JEFFREY 2316 S GRINNELL AVE SIOUX FALLS SD 57106 HOBSON PUBLIC SCHOOLS SCHOOL DISTRICT No25 HOBSON MT 59452 HOEGER JACKSON & ASSOCIATES 216 SUMMER CUTOFF BOZEMAN MT 59715-8416 HOFFMAN CLEANING 2808 24TH AVE NW ABERDEEN SD 57401-8824 HOFFMAN TRENCHINGINC PO Box 456 HIGHMORE SD 57345 HOGG RESTAURANT SERVICE 810 SE 3RD AVE ABERDEEN SD 57402-1516 HOINESS LABAR INSURANCE INC PO Box 30638 BILLINGS MT 59107-0638 Holcim 4070 Trident Road Three Forks MT 59752 HOLCIM (US) INC 4070 TRIDENT Rd THREE FORKS MT 59752 Holders of common securities of NorthWestern Capital Financing III 1100 N Market St Wilmington DE 19890-0001 HOLIDAY INN 2500 6TH St BROKKINGS SD 57006 HOLIDAY INN 2503 SE LOCUST GRAND ISLAND NE 68801 HOLIDAY INN 5 BAXTER LANE BOZEMAN MT 59715 HOLIDAY INN 701 WASHINGTON ST HELENA MT 59601 Holiday Inn E Hwy 12 Aberdeen SD HOLIDAY INN PO Box 1925 KEARNEY NE 68848 HOLIDAY INN EXPRESS 100 21ST St SW HURON SD 57350 HOLIDAY INN EXPRESS 701 WASHINGTON ST HELENA MT 59601 HOLIDAY INN EXPRESS PO Box 1348 MILES CITY MT 59301 HOLIDAY INN EXPRESS PO Box 788 NORTH PLATTE NE 69103-0788 HOLIDAY INN EXPRESS PARKSIDE 1 HOLIDAY PARK BUTTE MT 59701 HOLIDAY INN GREAT FALLS DBA: NORTHWEST MOTOR INN GREAT FALLS MT 59405 HOLIDAY INN MITCHELL 1525 W HAVEN ST MITCHELL SD 57301 HOLIDAY INN SIOUX FALLS 100 W 8TH ST SIOUX FALLS SD 57104 HOLIDAY MOTEL PO Box 478 WEBSTER SD 57274 HOLLAND & HART LLP DEPT 400 DENVER CO 80291-0400 HOLLAND & HART LLP PO Box 1347 CHEYENNE WY 82003-1347 HOLLAND BETH 3201 HANNIBAL BUTTE MT 59701 HOLLENBECK CONSTRUCTION PO Box 552 HARDIN MT 59034 HOLLIDAY REPORTING SERVICE INC PO Box 615 CARTHAGE MO 64836-0615 HOLLOW CONTRACTING INC 404 GREENWOOD Ave BUTTE MT 59701 Holly A Wilcox 1564 E GIRARD PL APT 1036 ENGLEWOOD CO 80113-9264 HOLMES PLBG & HTG SUPPLY CO 2003 AVE C PO Box 460 KEARNEY NE 68848-0460 HOLMES PLBG & HTG SUPPLY CO 2003 AVEE C KEARNEY NE 68848-0460 HOLNAM INC 4070 TRIDENT RD THREE FORKS MT 59752-9747 HOLT PLUMBING & HEATING PO Box 1825 HAVRE MT 59501 HOME BUILDERS ASSOC OF GREAT FALLS PO Box 2724 GREAT FALLS MT 59403 HOME BUILDERS ASSOCIATION OF BLGS PO Box 875 BILLINGS MT 59103-0875 HOME CAFE 408 1/2 S MAIN ST CONRAD MT 59425 HOME FEDERAL BANK 225 S MAIN Ave SIOUX FALLS SD 57104 HOME FEDERAL SAVINGS PO Box 5000 SIOUX FALLS SD 57117-5000 HOME HEALTH OF MONTANA 1903 S RUSSELL ST 1 MISSOULA MT 59801-6623 HOME INSPECTION GROUP 1335 CLARKIA LANE MISSOULA MT 59802 HOMESTEAD BUILDING SUPPLIES 89 IOWA ST HIGHMORE SD 57345 HOMESTEAD DO IT CENTER PO Box 550 BROOKINGS SD 57006 homeWORD Inc 127 Higgins Missoula MT 59802 HOMEWORD INC 127 N HIGGINS No307 MISSOULA MT 59802 HONDA OF MITCHELL 2404 N MAIN ST MITCHELL SD 57301 HONEYWELL PO Box 92091 CHICAGO IL 60675-2091 HONEYWELL INC 7171 OHMS LANE EDINA MN 55439-2115 HONEYWELL INTERNATIONAL INC PO Box 93123 CHICAGO IL 60673-3123 HONG KONG BUFFET RESTAURANT 2007 Broadway ST YANKTON SD 57078 HONOMICHL DESIGN INC 300 S MAIN WAGNER SD 57380 HOOVERS INC 5800 AIRPORT BLVDE AUSTIN TX 78753-3812 HORIZON REPORTING & VIDEO INC 201 S MAIN ST Ste 900 SALT LAKE CITY UT 84110-1675 HORNADY MFG COMPANY 3625 OLD POTASH HIGHWAY GRAND ISLAND NE 68801 Horton and Associates 3713 Creekwood Road Missoula MT 59802 HORTON ASSOCIATES 3713 CREEKWOOD Rd MISSOULA MT 59802 HOSCHEID MASONRY INC 230 POWELL St ANACONDA MT 59711 HOSKING JAMES 107 ALDER ST ANACONDA MT 59711 HOSPITAL FUND YELDUZ SHRINE FOOTBALL ABERDEEN SD 57402-1066 HOSPITALITY SERVICES INC 506 S WILSON ABERDEEN SD 57402-1565 HOT SPOT CAFE PO Box 455 GRAND ISLAND NE 68801 HOT SPRINGS HIGH SCHOOL PO Box 1005 HOT SPRINGS MT 59845 HOT WHEELZ 516 NE WASHINGTON ST LEWISTOWN MT 59457-2035 HOTEL FINLEN 100 E Broadway BUTTE MT 59701 HOTEL MONACO SALT LAKE CITY 15 W 200 S SALT LAKE CITY UT 84101 HOTJOBSCOM PO Box 27818 NEWARK NJ 07101-7818 HOTSY WY MONT PO Box 50734 BILLINGS MT 59105-0734 HOTTMAN MOWING SERVICE 1227 S LAWSON STE ABERDEEN SD 57401 HOUGHTON CHEMICAL 52 CAMBRIDGE ST ALLSTON MA 02134

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 64 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Houlihan Lokey Howard & Zukin Financial Advisors Inc P Eric Siegert 225 S Sixth St 4950 Minneapolis MN 55402 HOUSE OF GLASS INC PO Box 228 ABERDEEN SD 57402-0228 HOUSING AUTHORITY 900 AUTUMN PARK NORTH PLATTE NE 69101-7639 HOWARD BERG 201 Delnor Ave Saint Charles IL 60174-1249 HOWARD CARTER BDW PARTNERSHIP JAY R BINGHAM 1502 MILLBROOK WAY BOUNTIFUL UT 84010 HOWARD GOOD SAMARITAN W HAZEL AVE HOWARD SD Howard Heating & Plumbing Inc 43304 SD HWY 34 Howard SD 57349 Howard Industries Inc 1728 Solutions Center Chicago IL 60677-1007 Howard Industries Inc 3902 W Valley Hwy N Ste 506 Auburn WA 98001-2428 HOWARD INDUSTRIES INC 9317 NE HWY 99 Ste 0 VANCOUVER WA 98665-8900 HOWARD INDUSTRIES INC NCB 3 MINNEAPOLIS MN 55480-1414 HOWARD INDUSTRIES INC NCB 3 PO Box 1414 MINNEAPOLIS MN 55480-1414 HOWARD INDUSTRIES INC PO Box 11407 BIRMINGHAM AL 35246-1132 Howard Lubowsky IRA 323 STEGMAN PKWY JERSEY CITY NJ 07305 HOWARD PUBLIC SCHOOL 500 N SECTION LINE HOWARD SD HOWARD WOOD RELAYS 3215 S JjEFFERSON SIOUX FALLS SD 57105 HOWARDS HEATING & AIR COND 1310 S MONTANA Ave BOZEMAN MT 59715 HOWE COPE & CATANIA INC 158 DANBURY Rd RIDGEFIELD CT 06877 HOWREY & SIMON 1299 PENNSYLVANIA AVE NW WASHINGTON DC 20004-2402 Hoyt Homes Inc 380 Keith Ave Missoula MT 59801 HOYT HOMES INC PO Box 2727 MISSOULA MT 59806 HP FINANCIAL SERVICES CO 2 RESULTS WAY MARLBORO MA 01752 HQ GLOBAL WORKPLACES 1200 G StNW Ste 800 WASHINGTON DC 20005 HR COMPLY 6620 Southpoint Dr S Ste 620 Jacksonville FL 32216-0912 HRDC (STATE OF MT LIEAP) PO Box 2289 GREAT FALLS MT 59403 HRMC FOUNDATION 110 FOURTH ST SE B 8 HURON SD 57350 HRS FOODSERVICE 810 3RD AVE SE ABERDEEN SD 57402-1516

HSBC BANK USA as Indenture Trustee HSBC Bank USA Attn Robert Conrad Vice President Issuer Services 10 East 40th St New York NY 10016-0200

HSBC BANK USA as Indenture Trustee Pryor Cashman Sherman & Flynn LLP Attn Tina N Moss Esq 410 Park Avenue New York NY 10022 HUB AREA CHAPTER SDEC PO Box 1272 ABERDEEN SD 57402-1272 HUB AREA HABITAT FOR HUMANITY PO Box 406 ABERDEEN SD 57402-0406 Hub Area Multi District 1114 S Washington St Aberdeen SD 57401 Hub Area Multi District 640 SW 9Th Ave Aberdeen SD 57401 Hub Area Multi District 640 SW 9Th Ave Aberdeen SD HUB CITY 2914 INDUSTRIAL WAY ABERDEEN SD 57401 Hub City division SafeGuard Industrie Industrial Park Aberdeen SD HUB CITY HOUSING PO Box 937 ABERDEEN SD 57402-0937 Hub City Inc Attn Phil Mitze PO Box 1089 Aberdeen SD 57402-1089 HUB CITY IRON STORE PO Box 94 ABERDEEN SD 57402-0094 HUBERTS REPAIR PO Box 112 PLATTE SD 57369 HUCK CONSTRUCTION PO Box 475 HARLOWTON MT 59036 HUCK ENTERPRISES 4320 WILD BILL HICKOCH DR BILLINGS MT 59103 HUGHES BROTHERS PO Box 2576 OMAHA NE 68103-2576 HUGHES BROTHERS INC 210 N 13TH ST SEWARD NE 68434 HUGHES BROTHERS INC PO Box 866 BOTHELL WA 98041 HUGHES COUNTY TREASURER 104 E CAPITAL PIERRE SD 57501 HUGHES COUNTY TREASURER 104 E CAPITOL PIERRE SD 57501 HUGHES SUPPLY INC 10013 M L KING WY S SEATTLE WA 98178 HUGHESKELLNERSULLIVAN & ALKE PO Box 1166 HELENA MT 59624 HUGO RATTIN HC 49 BOX 3010 RED LODGE MT 59068 HUITEMA JOANN 1401 SUNRISE DR YANKTON SD 57078 HUMAN ASSET TECHNOLOGIES 115 FLANDERS Rd WESTBOROUGH MA 01581 HUMAN RESOURCE COUNCIL 1801 S HIGGINS AVE MISSOULA MT 59801

HUMAN RESOURCE PROFESSIONALS OF MIN 1821 UNIVERSITY Ave W Ste S256 ST PAUL MN 55104-2897 HUMAN RESOURCES COUNCIL PO Box 3486 BUTTE MT 59702-3486 HUMANE SOCIETY OF PARK COUNTY PO Box 705 LIVINGSTON MT 59047 HUNT TECHNOLOGIES INC 6436 COUNTY Rd 11 PEQUOT LAKES MN 56472 HUNTER BROTHERS CONSTRUCTION PO Box 3119 BUTTE MT 59702 Hunter Brothers Construction POBox 3119 Butte MT 59701 Hunter Brothers Construction Inc PO Box 3119 Butte MT 59702 HUNTON PRE CAST CONCRETE INC 1700 RODGERS MISSOULA MT 59807 HURD ALIGNMENT & MACHINE PO Box 1382 HURON SD 57350 HURD ENTERPRISES INC 1925 RAYMOND Ave MISSOULA MT 59802 HURON AREA ATC INC 258 3RD ST SW HURON SD 57350 HURON AREA CHAMBER OF COMMERCE 15 4TH ST SW HURON SD 57350 HURON AREA SENIOR CENTER INC 290 SEVENTH ST SW HURON SD 57350-2759 HURON AUTOMOTIVE 225 LINCOLN AVE SW HURON SD 57350 HURON BOWLING ASSOCIATION 333 12TH SE HURON SD 57350 HURON BPW 454 IDAHO SE HURON SD 57350

HURON CHRISTIAN RADIO CO BOB GLANZER PO BOX 791 HURON SD 57350 HURON CHRISTIAN WOMENS CLUB 369 14TH ST SW HURON SD 57350 HURON CLEANERS 34 2ND St SE HURON SD 57350 HURON CLINIC FOUNDATION LTD PO Box 822 HURON SD 57350-0822 HURON COMMUNITY PO Box 949 HURON SD 57350 HURON COUNTRY CLUB PO Box 1251 HURON SD 57350 HURON CULVERT & TANK CO 220 4TH ST NW HURON SD 57350 HURON DARE TRUST FUND PO Box 1369 HURON SD 57350

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country HURON ELKS 460 DAKOTA AVE S HURON SD 57350 HURON EQUIPMENT CO PO Box 1425 HURON SD 57350 HURON EYE CLINIC 1288 DAKOTA AVE S No3 HURON SD 57350 HURON HIGH SCHOOL 1945 INDIANA AVE SE HURON SD 57350 HURON HOCKEY ASSOCIATION PO Box 770 HURON SD 57350 HURON HOUSING PO Box 283 HURON SD 57350-0283 HURON LAWN MEDIC PO Box 430 HURON SD 57350 HURON LION EYE OPENER 2257 WISCONSIN SW HURON SD 57352 HURON LITTLE LEAGUE 1008 BEACH AVE SE HURON SD 57350 HURON MANUFACTURING CORPORATIO PO Box 1398 HURON SD 57350-1398 Huron Nursing Home 1345 Michigan Ave SW Huron SD 57350 Huron Overhead Door Company 37 2nd St SE Huron SD 57350 HURON OVERHEAD DOOR COMPANY PO Box 118 HURON SD 57350 HURON PARKS & REC PO Box 1369 HURON SD 57350 HURON POST PROM COMMITTEE PO Box 629 HURON SD 57350 HURON REGIONAL MEDICAL CENTER 172 4TH ST SE HURON SD 57350 HURON REGIONAL MEDICAL CENTER PO Box 176 HURON SD 57350-0176 HURON ROTARY CLUB PO Box 467 HURON SD 57350 HURON SCHOOL DISTRICT #2 2 PO Box 949 HURON SD 57350 HURON SERTOMA CLUB PO Box 276 HURON SD 57350-0276 HURON STEEL STRUCTURES PO Box 181 HURON SD 57350 HURON SYMPHONY LEAGUE PO Box 325 HURON SD 57350 HURON TITLE COMPANY 110 3RD ST SW STE 101 HURON SD 57350 HURON UNITED WAY PO Box 652 HURON SD 57350 HURON UNIVERSITY 333 9TH ST SW HURON SD 57350 HURON VOLUNTEER FIRE DEPT PO Box 1369 HURON SD 57350 HURON WELDING SHOP 65 2ND ST SE HURON SD 57350 Huron Welding Shop 65 Second St SE Huron SD 57350 HUSKER PLUMBING & DRAIN INC 1412 1 2 EAST 4TH St GRAND ISLAND NE 68801 HUSKER PLUMBING & DRAIN INC 1412 1/2 E 4TH St GRAND ISLAND NE 68801 HUSKIE TOOLS 9317B NE HWY 99 VANCOUVER WA 98665 HUTCHINSON COUNTY 140 EUCLID OLIVET SD 57052 HUTCHINSON COUNTY CLERK OF COURTS 140 EUCLID OLIVET SD 57052 HUTCHINSON COUNTY TREASURER 140 EUCLID RM 135 OLIVET SD 570522103 HUTCHINSON COUNTY TREASURER 140 EUCLID RM 135 OLIVET SD 57052-2103 HUTCHINSON HERALD PO Box 537 MENNO SD 57045 HUTCHINSON UTILITIES COMM 225 MICHIGAN ST HUTCHINSON MN 55350-1940 HUTTERVILLE COMMUNITY FIRE 14625 401ST AVE STRATFORD SD 57474 HUTTON COMMUNICATION INC 923 W 9TH AVE DENVER CO 80204 HY VEE 2100 N BROADWAY PO Box 151 YANKTON SD 57078 HY VEE FOOD STORE 790 S 22ND AVE BROOKINGS SD 57006 HY VEE FOOD STORES 1601 S SYCAMORE AVE SIOUX FALLS SD 57110-4203 HYDE COUNTY TREASURER PO Box 399 HIGHMORE SD 57345 HYDRAULIC SERVICES LLC 4430 TRIPP LANE STEVENSVILLE MT 59870 HYDRO TECH INC 2219 E HIGHWAY 30 GRAND ISLAND NE 68802-0877 HYDRO TECH INC 2219 E Hwy 30 PO Box 877 GRAND ISLAND NE 68802-0877 HYDRODYNAMICS INC PO Box 1136 BOZEMAN MT 59771-1136 HYDRODYNAMICS INC ROGER KIRK PO BOX 413 RED LODGE MT 59068 HYDRODYNAMICS INC ROGER KIRK PO BOX 6165 BOZEMAN MT 59771 HYDRODYNAMICS/S DRY CRK ESCROW MR ROGER KIRK BOZEMAN MT 59771-1136 HYDRODYNAMICS/STRAWBERRY CR ES MR ROGER KIRK BOZEMAN MT 59771-1136 Hydrometrics Inc 2727 Airport Rd Helena MT 59601 HYLLAND RICHARD PO Box 88708 SIOUX FALLS SD 57109-8708 HYSTER SALES CO 360 EXPRESS WAY MISSOULA MT 59802 HYVEE 2100 N Broadway YANKTON SD 57078 HYVEE FOODS PO Box 151 YANKTON SD 57078 I F R SYSTEMS INC 10200 W YORK St WITCHITA KS 67215 IAAP INTERNATIONAL ASSOC OF ADMINE PROFESSIONALS KANSAS MO 64141-3740 IAAP INTERNATIONAL ASSOC PO Box 4662 BUTTE MT 59702-4662 IABC 1 HALLIDIE PLAZA STE 600 SAN FRANCISCO CA 94102 IAM & AW DISTRICT 85 156 W GRANITE BUTTE MT 59701 IAPMO 5001 E PHILADELPHIA ST ONTARIO CA 91761-2816 IBEW LOCAL 206 HELENA MT 59604 IBEW COPE 3509 S NORTON SIOUX FALLS SD 57105 IBEW LOCAL # 44 1901 SO MONTANA ST BUTTE MT 59701 IBEW LOCAL #44 COPE PO Box 3467 BUTTE MT 59701 IBEW LOCAL 44 1901 SO MONTANA ST PO Box 3467 BUTTE MT 59701 IBEW LOCAL 690 PO Box 967 MITCHELL SD 57301 IBEW LOCAL 706 PO Box 1120 ABERDEEN SD 57402 IBEW LOCAL 754 PO Box 777 YANKTON SD 57078 IBEW LOCAL 766 600 MARKET ST HURON SD 57350 IBEW LOCAL UNION #396/GOLF 3520 BOULDER HIGHWAY LAS VEGAS NV 89121 IBEW Local Union 44 PO Box 3467 Butte MT 59702-3467 IBEX CONSTRUCTION N 8119 REGAL SPOKANE WA 99217 IBI INTERNATIONAL BUSINESS INDEX 600 17TH St Ste No2800 SOUTH DENVER CO 80202 IBM 100 N Park Ave Helena MT 59601 IBM 1701 N St Endicott NY 13760 IBM 91222 COLLECTION CENTER DR CHICAGO IL 60693-1222 IBM FILE 47250 LOS ANGELES CA 90074-4725 IBM IBM CREDIT CORPORATION 6710 ROCKLEDGE Dr BETHESDA MD 20817 IBM PO Box 945684 ATLANTA GA 30394-5684 IBM Corporation 91222 COLLECTION CNTR DR CHICAGO IL 60693-0912

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 66 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country IBM Corporation Bankruptcy Coordinator 13800 Diplomat Dr Dallas TX 75234 IBM Corporation Bankruptcy Cordinator 13800 Diplomat Farmers Branch TX 75234 IBM Corporation N Castle Dr Armonk NY 10504 IBM Corporation PO Box 61000 SAN FRANCISCO CA 94161-1896 IBM CORPORATION PO BOX 61000 SAN FRANCISCO CA IBM Credit Corp Attn Clinton Woodard 6710 Rockledge Dr Bethesda MD 20817 IBM Credit Corporation 290 Harbor Dr Stamford CT 06904 IBM Credit Corporation 6710 Rockledge Dr Bethesda MD 20817 IBM Credit Corporation Attn Clinton Woodard 6710 Rockledge Dr Bethesda MD 20817 IBM Credit Corporation Attn Justin Garrison 6710 Rockledge Dr Bethesda MD 20817 IBM Credit Corporation Attn Wendell A Lewis N Castle Dr Armonk NY 10504 IBM Credit Corporation N Castle Dr Armonk NY 10504 IBM Credit Corporation N Castle Dr Armonk NY 10504 1900 IBM Credit Corporation PO Box 10399 DEPT RCF Stamford CT 06904-2399 IBM Credit LLC Bankruptcy Coordinator 13800 Diplomat Dr Farmers Branch TX 75234 IBM Credit LLC IBM Corporation Bankruptcy Coordinator 1800 Diplomat Farmers Branch TX 75234 IBM Credit LLC Bankruptcy Coordinator 1800 Diplomat Farmers Branch TX 75234 IBM GLOBAL FINANCING N CASTLE Dr MAIL DROP 223 ARMONK NY 10504 IBP INC PO BOX 515 DAKOTA CITY ME 68731 IBP INC PO BOX 515 DAKOTA CITY NE 68731 ICE SYSTEMS INC 175 P COMMERCE Dr HAUPPAUGE NY 11788 ICF INFORMATION TECHNOLOGY 9300 LEE HIGHWAY FAIRFAX VA 22031 ICF INFORMATION TECHNOLOGY INC 9300 LEE HIGHWAY FAIRFAX VA 22031 ICF INFORMATION TECHNOLOGYINC PO Box 631683 BALTIMORE MD 21263-1683 ICF RESOURCES INCORPORATED PO Box 631683 BALTIMORE MD 21263-1683 ICM EQUIPMENT COMPANY LLC 3001 W Broadway ST MISSOULA MT 59808 ICS INDUSTRIAL CONTAINER SYSTEMS 640 BASELINE RD BRIGHTON CO 80601 IDA MOORE PO Box 212 WHITEHALL MT 59759 IDACORP ENERGY PO Box 4127 BOISE ID 83711 Idaho Power Company James L Baggs Gen Mgr Operations & Planning 1221 W Idaho Boise ID 83707 Idaho Power Company Patrick A. Harrington Attorney 1221 W Idaho Boise ID 83707 Idaho Power Company Patrick A. Harrington, Attorney 1221 W Idaho Boise ID 83707 IDAHO POWER COMPANY PO Box 70 BOISE ID 83707 IDAHO POWER COMPANY PO Box 70 BOISE ID 83707-0070 IDAHO STATE TAX COMMMISSION PO Box 76 BOISE ID 83707 IDEA INTEGRATION PO Box 79326 CITY OF INDUSTRY CA 91716-9326 IDEA INTEGRATION PO Box 951619 DALLAS TX 75395-1619 IDEAL LINEN SUPPLY 116 W 6TH NORTH PLATTE NE 69101 IDEAL LINEN SUPPLY 116 W 6TH PO Box 1114 NORTH PLATTE NE 69101 IDEAONE 3239 39 ST SW FARGO ND 58104-6900 IEEE PO Box 27954 NEWARK NJ 07101-7954 IEEE EDUCATION ACTIVITIES PO Box 1331 PISCATAWAY NJ 08855-1331 IGNITION SYSTEMS & CONTROLS L P 4718 W YELLOWSTONE CASPER WY 82604 IGNITION SYSTEMS & CONTROLS LP PO Box 841878 DALLAS TX 75284-1878 IKON OFFICE SOLUTIONS 330 N HIGGINS MISSOULA MT 59802 Ikon Office Solutions Accounts Receivable Center Attn Bankruptcy Team 5400 Bowman Rd Macon GA 31210 ILLEGIBLE 276 QUAPAW N IROQUOIS SD ILLINOIS DEPARTMENT OF REVENUE PO Box 19045 SPRINGFIELD IL 62794-9045 ILLINOIS DEPARTMENT OF REVENUE PO Box 19045 SPRINGFIELD IL 92794-9045 ILLINOIS DEPARTMENT OF REVENUE PO Box 5600 CHICAGO IL 60680-5600 IMAGENATION GRAPHICS PRINTING 201 E 11TH ST SIOUX FALLS SD 57104 IMPACT ADVERTISING & MEDIA BUYERS 1548 S GRAND BOZEMAN MT 59715 IMPERIAL CLEANERS 1927 N Broadwell GRAND ISLAND NE 68803 IMPERIAL RESTAURANT PO Box 67 CLARK SD 57225 INAUGURAL SOUVENIR COMMITTEE 207 E CAPITOL AVE APT 403 PIERRE SD 57501-3164 Independent Inspection Company PO Box 1776 Havre MT 59501 Independent Inspection Company PO Box 1776 Havre MT 59501-1776 INDEPENDENT LOCK CO PO Box 21308 BILLINGS MT 59104 INDEPENDENT OIL COMPANY 719 N SANBORN MITCHELL SD 57301-0904 Independent Record Charlene Mayala PO Box 4249 Helena MT 59604 INDEPENDENT REPRESENTATIVES 1607 C AVE SIOUX FALLS SD 57104 INDIAN TRAIL LLC 303 N WASHINGTON BUTTE MT 59701 INDIANA DEPARTMENT OF REVENUE 100 N SENATE AVE INDIANAPOLIS IN 46204-2253 INDIANA DEPARTMENT OF REVENUE PO Box 7221 INDIANAPOLIS IN 46207-7221 INDIANA PROFESSIONAL 302 W WASHINGTON ST RM 034 INDIANAPOLIS IN 46204-2700 INDIANA SECRETARY OF STATE PO Box 5501 INDIANAPOLIS IN 46255 INDIGO SIGNWORK 1622 MAIN AVE STE E FARGO ND 58103 INDOFF INC PO Box 790051 ST LOUIS MO 63179-0051 Industrial Automation Consulting In 118 Main St PO Box 810 Three Forks MT 59752 INDUSTRIAL EQUIPMENT SALES 4937 HWY 85 WILLISTON ND 58801 INDUSTRIAL EQUIPMENT SALES 4937 HWY 85 PO Box 1543 WILLISTON ND 58801 INDUSTRIAL LIGHTING 3616 W CENTRAL MISSOULA MT 59804 INDUSTRIAL LIGHTING SERVICE 3616 W CENTRAL AVE MISSOULA MT 59801 INDUSTRIAL PIPE FITTINGS LLC 6020 OSBORN HOUSTON TX 77033-1016 INDUSTRIAL RIGHT OF WAY ASSOCIATION PO Box 51716 LOS ANGELES CA 90051-6016 INDUSTRIAL SAFETY & CONSULTING INC 1325 EUCLID AVE STE 1 HELENA MT 59601-2101 INDUSTRIAL SALES & SERVICES PO Box 31234 BILLINGS MT 59107 INDUSTRIAL SYSTEMS INC 325 16TH St W BILLINGS MT 59104 INDUSTRIAL TECHNOLOGIES LLC PO Box 746 FRENCHTOWN MT 59834 INDUSTRIAL TOWEL & COVER SUPPLY 218 S 2ND St LIVINGSTON MT 59047-1217 INDUSTRIAL TOWEL & COVER SUPPLY 218 SOUTH 2ND St PO Box 1217 LIVINGSTON MT 59047-1217 Industrial Towel & Cover Supply PO Box 1217 Livingston MT 59047

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 67 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country INERTIA PRO EVENT IMAGING PO Box 91133 SIOUX FALLS SD 57109-1133 INFINITY ACCESS NET 9751 HAMILTON RD EDEN PRAIRIE MN 55344 INFINIUM SOFTWARE INC PO Box 83033 WOBURN MA 01813-3033 INFOMATIKA PUBLICATIONS 100 WALNUT St No6 CHAMPLAIN NY 12919 INFORMATION SYSTEMS AUDIT & 135 S LASALLE DEPT 1055 CHICAGO IL 60674-1055 INFORMATION SYSTEMS INC PO Box 30024 OMAHA NE 68103-1124 INFOTEL PUBLICATIONS 5 COTON LANE CHAMPLAIN NY 12919 INGRAM MICRO PO Box 98874 CHICAGO IL 60693-8874 Ingram Micro Inc Attn Rochelle Staron 1759 Wehrle Drive Willliamsvile NY 14221 INGRAM MICRO INC PO Box 98874 CHICAGO IL 60693-8874 INLAND GPS PO Box 1525 CODY WY 82414 INLAND IMAGING INC PO Box 2813 SPOKANE WA 99220 INLAND NORTHWEST PARTNERS PO Box 164 LIBERTY LAKE WA 99019 INLAND PRECISION INSTRUMENT 1402 26TH ST CODY WY 82414-1525 INLAND TRUCK PARTS PO Box 3837 Missoula MT 59806-3837 INNER TITE CORP 56 INDUSTRIAL DR HOLDEN MA 01520-1893 INNOVATIVE SPECILITIES INC PO Box 1640 SIOUX FALLS SD 57101-1640 INSIDE OUT DESIGN 3475 ST ANN ST BUTTE MT 59701 INSIGHT PO Box 78825 PHOENIX AZ 85062-8825 INSIGHT MARKETING DESIGN 401 E 8TH St Ste 304A SIOUX FALLS SD 57106

INSTITUTE OF MANAGEMENT ACCOUNTANTS 10 PARAGON Dr MONTVALE NJ 07645-1760 INSTITUTIONS SERVICES INC 1421 B AVE BOX 330 SIOUX FALLS SD 57104 INSTROMET INC 12650 DIRECTORS DR STE 100 STAFFORD TX 77477-3788 INSTY PRINTS 120 W PARK St BUTTE MT 59701 INSTY PRINTS 120 W PARK ST BUTTE MT 59701-1716 INSTY PRINTS 120 WEST PARK St BUTTE MT 59701 INSTY PRINTS 1301 11TH Ave HELENA MT 59601-3919 INSTY PRINTS 40 W LAWRENCE HELENA MT 59601 INTEC PO Box 163 WAVERLY PA 18471 INTEGRATED DESKTOP SOLUTIONS INC 625 SW CASCADE Ave Ste 220 BEAVERTON OR 97008 Integrated Payment Systems Inc 6200 S Quebec St Englewood CO 80111 Integrated Payment Systems Inc 6200 S Quebec St 12500 E Bedford Ave E Englewood CO 80111 INTEGRATED SYSTEMS CONSULTANTS 5540 FAWNBROOK CT DUBLIN OH 43017 INTEGRITY ELECTRIC 3101 BOZEMAN AVE HELENA MT 59601 INTEGRITY INTERACTIVE CORPORATION 51 SAWYER RD 501 WALTHAM MA 02453-3448 INTER MOUNTAIN LABORATORIES 1160 RESEARCH DR BOZEMAN MT 59715 INTERACTIVE TECHNOLOGIES INC PO Box 1450 MINNEAPOLIS MN 55485-1450 INTERCONTINENTALEXCHANGE INC PO Box 409478 ATLANTA GA 30384-9778 INTERGRAPH CORPORATION 22494 NETWORK PLACE CHICAGO IL 60673-1224 INTERGRAPH CORPORATION 22494 NETWORK PLACE CHICAGO IL 60673 INTERGRAPH PUBLIC SAFETY DRAWER 320 BIRMINGHAM AL 35283-0778 INTERIOR PLANT DESIGNS PO Box 4047 BUTTE MT 59702 INTERLAKES AREA UNITED WAY PO Box 132 MADISON SD 57042 INTERLAKES JANITORIAL SERVICE PO Box 82 MADISON SD 57042 INTERLAKES MEDICAL CENTER 903 N WASHINGTON MADISON SD 57042 INTERLAKES SHRINE CLUB 113 S UNION MADISON SD 57042 INTERMAT INC/MEMS PO Box 120538 DALLAS TX 75312-0538 INTERMEC TECHNOLOGIES CORPORATION 6001 36TH Ave W EVERETT WA 98203 INTERMOUNTAIN ADMINISTRATORS INC PO Box 3018 MISSOULA MT 59806 INTERMOUNTAIN ADMINISTRATORS INC PO Box 4626 MISSOULA MT 59806 INTERMOUNTAIN CHILDRENS HOME & 500 S LAMBORN St HELENA MT 59601 INTERMOUNTAIN HEATING & A C INC 1721 E LYNDALE AVE HELENA MT 59601 INTERMOUNTAIN IRRIGATION INC PO Box 1327 DILLON MT 59725 INTERNAL MEDICINE ASSOCIATES 931 HIGHLAND BLVD BOZEMAN MT 59715 INTERNAL REVENUE SERVICE 230 S DEARBORN DPN CHICAGO IL 60604 INTERNAL REVENUE SERVICE DEPARTMENT OF THE TREASURY OGDEN UT 84201 INTERNAL REVENUE SERVICE DEPARTMENT OF TREASURY CINCINNATI OH 45999-0039 INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE CNTR OGDEN UT 84201-0005 INTERNAL REVENUE SERVICE PO Box 105421 ATLANTA GA 30348-5421 INTERNAL REVENUE SERVICE PO Box 9941 OGDEN UT 84409 INTERNATIONAL ASSOCIATION 1 HALIDIE PLAZA STE 600 SAN FRANCISCO CA 94102-2818 INTERNATIONAL ASSOCIATION 5001 E PHILADELPHIA ST ONTARIO CA 91761-2816 INTERNATIONAL ASSOCIATION OF MACHINISTS AND AEROSPACE WORKERS DISTRICT LODGE NO 86 Attn Viginia Winston 156 W GRANITE ST BUTTE MT 59701 INTERNATIONAL ASSOCIATION OF MECHINISTS AND AEROSPACE WORKERS ATTN VIRGINIA GINGER WINSTON BUSINESS REPRESENTATIVE 156 W GRANITE ST BUTTE MT 59701 INTERNATIONAL BUSINESS PO Box 509 WEST HAVEN CT 06516 INTERNATIONAL FACILITY MANAGEMENT 1 E GREENWAY PLAZA Ste 1100 HOUSTON TX 77046-0194 INTERNATIONAL RIGHT OF WAY ASSOC 13650 SE GRAMERCY PLACE No100 GARDENA CA 90249-2453 INTERNATIONAL RIGHT OF WAY ASSOC 19750 S VERMONT Ave TORRANCE CA 90502-1144 INTERNATIONAL RIGHT OF WAY ASSOC 90 VISTA Dr BILLINGS MT 59102 INTERNATIONAL RIGHT OF WAY ASSOC PO Box 51716 LOS ANGELES CA 90051-6016 INTERNATIONAL RIGHT OF WAY ASSOCIAT PO Box 51716 LOS ANGELES CA 90051-6016 INTERNATIONAL RISK MANAGEMENT 12222 MERIT DR STE 1450 DALLAS TX 75251-2276 INTERNATIONAL SOCIETY FOR 1400 SPRING ST STE 260 SILVER SPRING MD 20910 INTERNATIONAL WILDLIFE FILM 718 S HIGGINS MISSOULA MT 59801 INTERNATIONAL WRITING INSTITUTE INC PO Box 834 CHAGRIN FALLS OH 44022 INTERNET CONNECT SERVICE 2700 RADIO WAY MISSOULA MT 59808 INTERNET CORPORATION LISTING SERVIC 2530 BERRYESSA Rd No912 SAN JOSE CA 95132 INTERNET NEBRASKA 1719 N COTNER BLVD Ste B LINCOLN NE 68505-5301

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 68 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country INTERNET SECURITY SYSTEMS INC 6303 BARFIELD ATLANTA GA 30328 Interrruptible Gas Service AgreementChange 1400 15th Ave NW Aberdeen SD INTERSPACE SERVICES INC PO Box 932025 ATLANTA GA 31193-2025 INTERSTATE ALARM COMPANY INC 2426 RIVER RD MISSOULA MT 59804 INTERSTATE BATTERY SYSTEM 1919 Lampan Dr Ste A Billings MT 59102-7467 INTERSTATE COMPANIES INC 2601 E 80TH ST MINNEAPOLIS MN 55425 INTERSTATE COMPANIES INC 2601 E 80TH ST MINNEAPOLIS MN 55425 INTERSTATE COMPANIES INC PO Box 1450 MINNEAPOLIS MN 55485-7244 INTERSTATE DETROIT DIESELINC 2601 E 80TH St MINNEAPOLIS MN 55420-0000 INTERSTATE OFFICE PRODUCTS PO Box 908 SIOUX FALLS SD 57101-0908 INTERSTATE STRUCTURES INC 2180 25 Rd KEARNEY NE 68847 INTERSTATE TELECOMMUNICATIONS PO Box 920 CLEAR LAKE SD 57226-0920 INTL RIGHT OF WAY ASSOCIATION 90 VISTA DR BILLINGS MT 59102-6248 INTOUCH SOLUTIONS 8783 W HACKAMORE DR Ste 6 BOISE ID 83709 IOMAS REPORT ON SALARY SURVEY 29 WEST 35TH St 5TH Fl NEW YORK NY 10001-2299 IOS Capital Bankruptcy Administration PO Box 13708 Macon GA 31208-3708 IOS CAPITAL PO Box 650073 DALLAS TX 75265-0073 IOWA DEPARTMENT OF REVENUE PO Box 10411 DES MOINES IA 50306-0411 Iowa Public Service Co PO Box 778 Sioux City IA 51102 IOWA WORKFORCE DEVELOPMENT 1000 E GRAND AVE DES MOINES IA 50315-0209 IOWA WORKFORCE DEVELOPMENT PO Box 9231 DES MOINES IA 50306-9231 IPMA DEPT 540 KANSAS CITY MO 64193-0540 Iris Castro 115 E 97TH ST APT 4W NEW YORK NY 10029 Iris Castro The Depository Trust Company 55 Water St 49th Fl New York NY 10041 IRON MOUNTAIN PO Box 911862 DALLAS TX 75391-1862 IRON RING COMMUNICATIONS 431 BROOKMILL RD OAKVILLE ON L6J 5K6 Canada IROQUOIS HIGH SCHOOL 111 E WASHITA IROQUOIS SD 57353 IRVINE JOHN 1015 W DIAMOND ST BUTTE MT 597011401 ISB AGENCY PO Box 66 IPSWICH SD 57451 ISLAND GLASS CO PO Box 397 GRAND ISLAND NE 68802-0397 IT & M Division Inc PO Box 5868 Helena MT 59604 IT INFUSION MAKING IT BETTER 7040 N PORT WASHINGTON RD Ste 420 MILWAUKEE WI 53217-3838 IT&M DIVISION INC PO Box 5868 HELENA MT 00000 ITRON 12310 E MIRABEAU PARKWAY SPOKANE WA 99216 ITRON 2818 N SULLIVAN RD SPOKANE WA 99216 Itron Inc 2818 N Sullivan Road Spokane WA 99216 ITRON INC 2818 SULLIVAN Rd SPOKANE WA 99215 Itron Inc Attn Contract Administrator 2818 N Sullivan Rd Spokane WA 99216 Itron Inc Attn Contract Administrator 2818 N Sullivan Road Spokane WA 99216 ITRON INC PO Box 15288 SPOKANE WA 99215 ITRON INC PO Box 200209 DALLAS TX 75320-0209 ITRON INC PO Box 84663 SEATTLE WA 98124-5963 Ivan Weissman IRA FCC as Custodian 305 West 98th Street New York NY 10025-5500 Ivan Weissman IRA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 IVERSON CHRYSLER CENTER 600 S BURR MITCHELL SD 57301 IWFF 718 S HIGGINS MISSOULA MT 59801 J & E CONSTRUCTION 1070 S 24TH ST W BILLINGS MT 59102 J & J LUMBER 708 8TH ST SPRINGFIELD SD 57062 J & J PLUMBING INC PO Box 473 KEARNEY NE 68848-0473 J & J RENTALS PO Box 757 HURON SD 57350-0757 J & K IRRIGATION 122 SADDLE MOUNTAIN Dr MONTANA CITY MT 59634 J & M CONVENTION DECORATING 195 HORSESHOE LANE MISSOULA MT 59803 J & N ENTERPRISES INC PO Box 183 WHEELER IN 46393-0183 J & P SMALL ENGINE REPAIR 2264 CENTRAL AVE BILLINGS MT 59102 J & S DEVELOPMENT 1070 S 24TH ST W BILLINGS MT 59102 J A ELECTRONICS MFG 10022 MULA RD STAFFORD TX 77477 J Christopher Kohn Matthew J Troy PO Box 875 Ben Franklin Station Washington DC 20044-0875 J E SOARES INC 7093 DRY CREEK Rd BELGRADE MT 59714 J EDWARDS GLOVE INC 138 WATER St MENASHA WI 54952 J EVERETT BARE HC BOX 200 REEDPOINT MT 59069 J H Baxter & Co ACLP PO Box 9502 1700 S El Camino Real Ste 200 San Mateo CA 94402 J H BAXTER & COMPANY 120 ALVA PARK EUGENE OR 97440-2797 J H BAXTER & COMPANY 120 ALVA PARK PO Box 10797 EUGENE OR 97440-2797 J H LARSON COMPANY 700 COLORADO AVE S GOLDEN VALLEY MN 55416 J H Larson Electrical Co 700 Colorado Ave South Golden Valley MN 55416 J HOLLY DOW DEAMARAL 2890 RANCHO REA RD AROMAS CA 95004 J I HIGH SCHOOL PO Box 89 JOPLIN MT 59531 J J BURKE 50 BURNING TREE LANE BUTTE MT 59701 J J KELLER & ASSOCIATES PO Box 548 NEENAH WI 54947-0540 J J KELLER & ASSOCIATES INC PO Box 548 NEENAH WI 54957-0548 J M Management Inc dba D & S Fencing Inc 601 Garden Ave PO Box 4091 Butte MT 59702 J M SHONTZ & ASSOCIATES LLC 208 N MONTANA AVE Ste 205 HELENA MT 59601 J MART 1527 W HAVENS AVE MITCHELL SD 57301 J W MEASUREMENT COMPANY LOCK BOX NO 970490 DALLAS TX 75397-0490 J&J CLEANING 181 CANYON VIEW Dr LIVINGSTON MT 59047-9622 J&M CONSTRUCTION 423 SW 1ST MADISON SD 57042 J5 CONSTRUCTION 696 US HIGHWAY 93 N HAMILTON MT 59840 JA Glynn & Co c o ADP JACK & HELEN A YOUNG ROUTE 73 BOX 2 LLOYD MT 59535 Jack and Ronna Schaefer dba Missouri Valley Cable TV Inc Jack Schaefer Box 57 Mitchell SD 57301 JACK C HENDRICKSON PLS PO Box 53 DIVIDE MT 59727

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 69 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country JACK LEDERMAN CO INC PO Box 216 KEARNEY NE 68848-0216 JACK RABBIT LUNCHEONS PO Box 266 BROOKINGS SD 57006 Jack Schaefer dba Amour Cable TV Mitchell SD 57301 JACK TODD PO Box 185 FORT BENTON MT 59442 JACK WHEELER 310 N GRACE ST CHAMBERLAIN SD 57325 JACK WULF 202 GREENWOOD AVE BUTTE MT 59701 JACKIE MUNSON 2108 AVALON RD BILLINGS MT 59102 JACKOLA ENGINEERING & ARCHITECTURE 1830 3RD Ave E KALISPELL MT 59901 JACKRABBIT CLUB SDSU BROOKINGS SD 57006 JACKS TIRE SERVICE 2840 S LOCUST GRAND ISLAND NE 68801 JACKSON CHRISTINA 2313 S WESTERN AVE SIOUX FALLS SD 57105 JACOBSEN ORR NELSON WRIGHT 322 W 39TH ST KEARNEY NE 68848 JAGG SODA SPECIALTIES 4109 MURPHY AVE BILLINGS MT 59101 JAIES REFRIGERATION & AIR PO Box 4476 BUTTE MT 59702 JAIME ARNOLD & STEVEN CAREY PO Box 8659 MISSOULA MT 59807-8659 Jais Refrigeration and Air Conditioning LLC PO Box 4476 Butte MT 59701 JAKES GARAGE INC PO Box 8 MELSTONE MT 59054-0008

JAKS ENVIRONMENTAL PRODUCTS AND SER PO Box 3215 KALISPELL MT 59903-3215 Jaks Environmental Products and Services PO Box 3215 Kalispell MT 59903 JAMES A GRUMMONS OR WILLIAM 29 GARDNER PARK DR BOZEMAN MT 59715-9229 JAMES A LINVILLE PO Box 81 VALE OR 97918 James Daniels 187 Hicks St Apt 3a Brooklyn NY 11201-2341 James Daniels c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 James Daniels The Depository Trust Company 55 Water St 49th Fl New York NY 10041 James E and Lou D Dupuis 1004 Big Oak Ln Cantonment FL 37533-3834 JAMES E PAPPAS* PO Box 80312 LINCOLN NE 68501 JAMES FALVEY 1005 6TH St BUTTE MT 59701 JAMES G BUTALA CPA 9648 UPTON RD BLOOMINGTON MN 55431 JAMES HARRINGTON 39127 283RD ST ARMOUR SD 57313 James J Polito 7064 Siena Ct Boca Raton FL 33433 James J Polito The Depository Trust Company 55 Water St 49th Fl New York NY 10041 JAMES L NELSON OD 1288 DAKOTA S HURON, SD 57350 JAMES LUSK 1476 WESTHAVEN Dr No18 VAIL CO 81657 JAMES M SANDERS PO Box 70 WHITEHALL MT 59759 JAMES MERTENS RR2 BOX 583 MILBANK SD 57252 James Murphy 4725 E Brown Rd Unit 17 Mesa AZ 85205-4735 James Murphy 861 N Norwalk Mesa AZ 85205 James Murphy c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th St Ste 200 Wilmington DE 19801 James Murphy James Murphy 861 N Norwalk Mesa AZ 85205 JAMES P LUCAS 1920 SUDLOW ST MILES CITY MT 59301 James P Lucas c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th Street Suite 200 Wilmington DE 19801 James P Lucas PO Box 728 Miles City MT 59301 James P Lucas James P Lucas PO Box 728 Miles City MT 59301 JAMES PUBLISHING COMPANY PO Box 25202 SANTA ANA CA 92799 JAMES R DRYNAN MD PC 200 S CLARK ST BUTTE MT 59701-1516 JAMES RIVER EQUIPMENT CO 1517 US HIGHWAY 14 W HURON SD 57350-5034 James T McCrory 370 Riverside Drive Apt 11A New York NY 10025-2109 James T McCrory The Depository Trust Company 55 Water St 49th Fl New York NY 10041 James Talcott Construction Inc PO Box 2493 Great Falls MT 59403 JAMES VALLEY CHRISTIAN SCHOOL 1550 DAKOTA AVE N HURON SD 57350-4554 JAMES VALLEY CHRISTIAN SCHOOL PO Box 1257 HURON SD 57350 JAMES VALLEY COOPERATIVE TELE PO Box 260 GROTON SD 57445-0260

JAMES VALLEY FARMERS ELEVATOR CO #1 102 RR AVE PO BOX 195 GROTON SD 57445-0195

JAMES VALLEY FARMERS ELEVATOR CO #4 PO BOX 195 GROTON SD 57445 0195

JAMES VALLEY FARMERS ELEVATOR CO 2 & 3 15 S MAIN ST PO BOX 195 GROTON SD 57445 JAMES VALLEY RINGNECK ASSN 509 N MAIN ST REDFIELD SD 57469 JAMES VALLEY SHRINE CIRCUS PO Box 918 HURON SD 57350 James W Sievers Barney Creek 2292 East River Road Livingston MT 59047 James W Sievers Cascade 2292 East River Road Livingston MT 59047 JAMES W VOLLMER 506 N GRAND BOZEMAN MT 59715 JAMIE BROST 16641 450TH AVE WATERTOWN SD 57201 JAMIE KRALL 2 N HARMAN DRE MITCHELL SD 57301 JAMIR RECLAMATION INC 2915 22ND Ave BROOKINGS SD 57006 JAMIR RECLAMATION INC PO BOX 523 BROOKINGS SD 57006 Jana L Quam 2219 W Black Rock Cir Sioux Falls SD 57108 JANE RYAN 709 W 14th Ave WEBSTER SD 57274-1048 JANE VANDYKE & HAGGARTY CHRYSLER 412 51ST St S GREAT FALLS MT 59405 JANET HINKER 40455 210TH ST HURON SD 57350-6625 Janice Buy c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Janice Buy The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Janice Pyn 4313 S Pillsberry Ave Sioux Falls SD 57103 Janney Montgomery Scott LLC c o ADP JAPLAR/SCHAUER 4500 ALPINE AVE CINCINNATI OH 45242 JARDINESTEPHENSONBLEWETT & SEVENTH Fl US BANK BUILDING GREAT FALLS MT 59403-2269 JARED & TOINETTE BRUEGGEMAN 33610 198TH ST HIGHMORE SD 57345-5514 Jares Fence Co Inc 8725 Story Rd Billings MT 59101 JARES FENCE COMPANY INC 8725 STORY Rd BILLINGS MT 59101 Jason Zeman 1111 BEACON ST 28 BROOKLINE MA 02446

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 70 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Jason Zeman IRA 1111 BEACON ST 28 BROOKLINE MA 02446 JAVA HUT 800 21ST ST SW HURON SD 57350 JAX AUTO BODY & PAINT 2110 W Broadway ST MISSOULA MT 59802-1816 JAY A SCHWEITZER 515 PLYMOUTH MISSOULA MT 59801 JAY DETERMAN 4248 MANCHESTER Rd GRAND ISLAND NE 68801 Jay Fortune Construction Inc PO Box 293 Butte MT 59703 JAY HEINEN ELECTRIC INC 1044 NEBRASKA SW HURON SD 57350 JAYCEE CAMP FOR THE EXCEPTIONAL IN PO Box 1763 SIOUX FALLS SD 57101 JB BODY SHOP PO Box 498 YANKTON SD 57078 JB CENTER E1150NCB MINNEAPOLIS MN 55480 JD EVANS INC 4000 N CLIFF AVE SIOUX FALLS SD 57104-5594 JD EVANS INC 4000 NORTH CLIFF AVE SIOUX FALLS SD 57104-5594 JDL CONSTRUCTION COMPANY PO Box 168 SHERIDAN MT 59749 JDL Construction Company Inc 401 S Main PO Box 168 Sheridan MT 59701 JDL Construction Company Inc PO Box 68 Sheridan MT 59749 JDS HOUSE OF TROPHIES 601 N KIWANIS SIOUX FALLS SD 57104-1896 JDS SPRINKLER SYSTEM INC 83 STORY HILLS RD BOZEMAN MT 59715 Jean Pennella & Rocco Pennella 105 Brewster Avenue Yonkers NY 10701-6314 Jean Pennella & Rocco Pennella The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Jean R Stiegemeier # 8 E 78th St New York NY 10021 Jean R Stiegmeier # 8 E 78th St New York NY 10021 JEAN STIEGEMEIER 125 SE DAKOTA AVE SIOUX FALLS SD 57104 JEANETTE E KEYES 111 S SMITH ST CLARK SD 57225 JEANNIE RENTALS 2141 OLD HIGHWAY 14 HURON SD 57350 JEFF JESSOP HC 80 BOX 15 PRESHO SD 57568 JEFF KREITZBERG PO Box 22568 BILLINGS MT 59104 JEFF TERVEEN 409 OHLMAN ST MITCHELL SD 57301 JEFFERSON COUNTY Box H BOULDER MT 59632 JEFFERSON COUNTY BOULDER MT 59632 JEFFERSON COUNTY CLERK & RECORDER Box H BOULDER MT 59632 JEFFERSON COUNTY HIGH SCHOOL PO Box 176 BOULDER MT 59632 JEFFERSON COUNTY HIGH SCHOOL PO Box 176 BOULDER MT 59632-0176 JEFFERSON COUNTY RODEO ASSOCIATION PO Box 195 BOULDER MT 59632 JEFFERSON COUNTY TREASURER COURTH BOX H BOULDER MT 59632 JEFFERSON COUNTY TREASURER COURTH Box H BOULDER MT 59632 JEFFERSON ENERGY TRADING LLC 1053 POINT OF ROCKS Rd WHITEHALL MT 59759 JEFFERSON HIGH SCHOOL PO Box 176 BOULDER MT 59632 JEFFREY S FRANCIS PO Box 494 BUTTE MT 59703 Jeffrey T Wild 704 West St Beaver Dam WI 53916 JEFFREY W & BARBARA H SATHER PO Box 1650 CHINOOK MT 59523 JEFFRIES COURT REPORTING 1015 MOUNT Ave Ste C MISSOULA MT 59801 JENNE DISTRIBUTORS 33665 CHESTER Rd AVON OH 44011 Jenni Hydro c o Don Jenni 568 Ringneck Lane Lewistown MT 59457-9623 Jennifer Domer as Guardian ad Lite 1100 Utah Ave Butte MT 59701 JENNIFER KOOZER 910 1/2 S BLACK AVE BOZEMAN MT 59715 JENSEN ROCK & SAND INC PO Box 1963 ABERDEEN SD 57402-1963 JENSEN TOOLS INC 7815 S 46 St PHOENIX AZ 85044 JENSENS STEEL & PIPE INC PO Box 271 YANKTON SD 57078 JERAULD COUNTY TREASURER BOX L WESS SPRING SD 573820346 JERAULD COUNTY TREASURER Box L WESS SPRING SD 57382-0346 Jeremy M Hitt 4900 E 4th St Sioux Falls SD 57110 JERIE LEE PHILLIP & HER ATTORNEY 2829 LEXINGTON BUTTE MT 59702 JERKE CONSTRUCTION CO 2808 W 6TH St SIOUX FALLS SD 57104 JERKE IRRIGATION 1416 N LINCOLN ABERDEEN SD 57401 JEROME F CROTEAU 8075 CANYON FERRY RD HELENA MT 59602-8509 Jerome Schebler 1602 W 17th Davenport IA 52804 Jerome Schebler The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Jerrold P Pederson 1829 Utah Ave Butte MT 59701 Jerrold P Pederson Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Jerrold P Pederson c o Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Jerrold P Pederson Joseph H Huston Jr Stevens & Lee PC 300 Delaware Ave Ste 1800 Wilmington DE 19801 Jerrold P Pederson Touch America Inc 130 N Main Butte MT 58701 Jerrold P Pederson Jerrold P Pederson 1829 Utah Ave Butte MT 59701 Jerrold P Pederson Jerrold P Pederson Touch America Inc 130 N Main Butte MT 58701 JERRY A LARSON PO Box 312 HARLOWTON MT 59036 JERRY FLEISCHMANN 1847 SUTHERLAND LN CORVALLIS MT 59828-9679 JERRY HOFFMAN 24892 387TH AVE PLANKINTON SD 57386 JERRY J GIBSON 1623 CHOTEAU HELENA MT 59601 Jerry Johnson Latham & Watkins LLP Attn Mr Paul H Dawes Esq 135 Commonwealth Drive Menlo Park CA 94025 JERRY OBRIEN 1122 KING St EAST HELENA MT 59635 JERRY W JOHNSON 414 E CLARK St VERMILLION SD 57069-3617 JERRY W JOHNSON Lantham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 VERMILLION SD 57069-3617 JERRY W JOHNSON Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 San Francisco CA 94111-2562 JERRYS ARCTIC CAT SALES 17 HARRIS ST BIG TIMBER MT 59011-0891 JERRYS ELECTRIC INC PO Box 209 COLMAN SD 57017 JESCO WHOLESALE ELEC SUPPLIES 950 CORPORATE CENTRE SIOUX CENTER IA 51250 Jessica & Nicholas Chapin 3900 Avenue C Austin TX 78751-4519 Jessica & Nicholas Chapin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 JESSICA CERRA 974 Well Wood RD APT 280 Midvale UT 84047-4070

Jessica Pierce a minor c o Jon Sogn Lynn Jackson Law Firm PO Box 1920 Sioux Falls SD 57101 Jessie G Adams dba Eagle Landscaping 542 Klenck Billings MT 59101

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 71 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country JG PARENT COMPANY 57 Carpenter Dr Johnston RI 02919-1817 JH KELLY LLC PO Box 11626 TACOMA WA 98411-6626

Jim and Joan Magone dba J & J Cleaning Service 181 Canyon View Dr Livingston MT 59047-9622 JIM BALOUN PO Box 328 REDFIELD SD 57469 JIM BIGELOW N HWY 37 HURON SD 57350 JIM BLANKENSHIP CONSTRUCTION PO Box 460 BUTTE MT 59703 Jim Brough Construction 5415 Highway 2 E Havre MT 59501 JIM BROUGH CONSTRUCTION 5415 HWY 2 E HAVRE MT 59501 JIM COTTER 2 WYOMING AVE LAUREL MT 59044 JIM DAILY 835 EMMA BUTTE MT 59701 JIM DAWSON 4736 S WOODHAVEN WAY BILLINGS MT 59106 JIM ERMSTER 413 SOE DOBSON MITCHELL SD 57301 JIM ERNSTER 413 S DOBSON MITCHELL SD 57301 Jim Gilman Excavating Inc 3105 Kossuth Butte MT 59701 Jim Gilman Excavating Inc Brown Law Firm 315 North 24th Street PO Drawer 849 Billings MT 59103-0849 Jim Gilman Excavating Inc 315 North 24th Street PO Drawer 849 Billings MT 59103-0849 JIM KELLY 7559 CHAROLAIS BILLINGS MT 59106 JIM MILLER CONSTRUCTION PO Box 43 RUDYARD MT 59540 JIM PEARSON 25 BIG DIPPER DrR CLANCY MT 59634-9606 JIM PEDRAZZI 119 No4 Rd ROUNDUP MT 59072 JIM PERRY FOUNDATION 115 E 11TH ST STE 105 SIOUX FALLS SD 57102 JIM SCHLOSSER RTE 1 BOX 55 CONRAD MT 59425 JIM TRAMP CONSTRUCTION 2513 Burleigh St Yankton SD 57078-1898 JIM VANDENBOS 259 S HEIGHTS VALIER MT 59486 JIMBOS SEPTIC SERVICE PO Box 663 MALTA MT 59538 JIMS READY MIX PO Box 915 LEWISTOWN MT 59457 JJB Hilliard WL Lyons Inc c o ADP JM Field Marketing 3570 NW 53rd CT Fort Lauderdale FL 33309-6329 JM SPRINKLING PO Box 4091 BUTTE MT 59702 JO DIXSON & RESSLER MOTOR CO 3418 LAREDO BOZEMAN MT 59715 JOAN FORD 6911 BRISTOL LANE BOZEMAN MT 59803 JOANN EVANS PO Box 181 RAYNESFORD MT 59469 JOANNE SECREASE PO Box 160568 BIG SKY MT 59716-0568 JOB SERVICE NORTH DAKOTA PO Box 5507 BISMARK ND 58506-5507 JOBBERS MOVING & STORAGE 1200 INDUSTRIAL DR BISMARCK ND 58501-3317 JOBS NOW INC 129 MAIN St KALISPELL MT 59901 JODY KLESSENS CONSTRUCTION HC 50 BOX 4401 LUTHER MT 59068 JODY L BUDDE 422 S MAIN LIVINGSTON MT 59047 JOE AMESTOY 4023 FLOWERREE DR HELENA MT 59602-6036 JOE BLINDAUER RR 1 MITCHELL SD 57301 Joe Boyer dba Boyer Landscape Design 1903 Ogden Anaconda MT 59711 JOE LONG 304 E ASH ETHAN SD 57334 Joe Long 304 E ASH PO Box 85 ETHAN SD 57334 JOE QUILICI 3040 KOSSUTH BUTTE MT 59701 JOE RUSSELL TRUCKING 409 SUNSET BLVDE CONRAD MT 59425 JOEL GOODMAN & KELLEY KUPETZ PO Box 32624 Juneau AK 99803-2624 JOEL HAGEMAN PRODUCTIONS 3719 Corbin Dr BILLINGS MT 59102-8010 JOEL OBRIEN RR 4 BOX 1 MILBANK SD 57252 JOEL PARKER 6305 ILTIS DR URBANDALE IA 50322 JOELE FRANK WILKINSON BRIMMER 551 MADISON AVE NEW YORK NY 10022 JOES DELIVERY SERVICE PO Box 7013 GREAT FALLS MT 59406 John Balock dba Twin Bridges TV PO Box 417 Twin Bridges MT 59754 JOHN BLOCKER OWNER ROUTE 1 BOX 275 GRAND ISLAND NE JOHN C GLENNON 6917 W 76TH St 2ND Fl OVERLAND PARK KS 66204 John Charters 5285 Sanford Circle East Cherry Hills Village CO 80113 John D Haffey Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 JOHN DEERE CREDIT DEPARTMENT 77039 DETROIT MI 48277-0039 JOHN DEERE CREDIT DEPARTMENT 77039 PO Box 77000 DETROIT MI 48277-0039 JOHN DENIGER PO Box 1415 HURON SD 57350 JOHN E GEIMAN 1211 1ST ST SCOTLAND SD 57059 John E Savage 11 Skillman Lane North Oaks MN 53727 John E Savage The Depository Trust Company 55 Water St 49th Fl New York NY 10041 John E Twarog c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 John E Twarog John Eich John Eich & Shirla Eich 711 S Lowell Sioux Falls SD 57103-2343 JOHN ELLINGSON 39363 142ND ST STRATFORD SD 57474 JOHN F BABCOCK 33 PLEASANT VIEW KALISPELL MT 59901 JOHN F FREY PO Box 1378 BIG FORK MT 59911 JOHN F PETERSON 8505 CARTAGE RD MISSOULA MT 59808 John G Connors Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 JOHN HUSTRULID 125 SE DAKOTA AVE SIOUX FALLS SD 57104 John J Burke 50 Burning Tree Ln Butte MT 59701 John J Burke c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th St Ste 200 Wilmington DE 19801 John J Burke John J Burke 50 Burning Tree Ln Butte MT 59701 John J Jester Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 John Keffer Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 JOHN KILLHAM 915 E Glencrest Dr Spokane WA 99208-9724

John M and Rudy S Cicon dba Cicon & Associates PO Box 541 Chester MT 59522-0541 JOHN MAY CONSTRUCTION INC PO Box 265 RUDYARD MT 59540 JOHN MCPHERSON 3501 Gladstone BUTTE MT 59701

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 72 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country JOHN MILLER 2909 SALES RD BELGRADE MT 59714 JOHN NIEDFELT 1120 E BISMARK RD GRAND ISLAND NE 68801 JOHN OVERCAST EAST OF CHINOOK CHINOOK MT 59523 John Pike Construction PO Box 1024 Chinook MT 59523 JOHN PIKE CONSTRUCTION INC PO Box 1024 CHINOOK MT 59523-1024 John R Clark 16103 W Desert Winds Dr Surprise AZ 85374 John R Clark The Depository Trust Company 55 Water St 49th Fl New York NY 10041 John R Eckart 7051 E Summit Trail ST MESA AZ 85207-7162 JOHN R JESTER 5500 OLYMPIC Dr A105 GIG HARBOR WA 98335 John R Jester Bargain St 3610 S Pine St Tacoma WA 98409 John R Jester c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 John R Jester John R Jester Bargain St 3610 S Pine St Tacoma WA 98409 John R Van Camp 201 La Colina Dr Alamo CA 94507-1815 John R Van Camp c o NorthWestern Corporation 125 S Dakota Ave Sioux Falls SD 57104 John R. Eckart c o The Depository Trust Company 55 Water Street New York NY 10041 JOHN ROEMMICH PO Box 144 MELLETTE SD 57461 JOHN STEFFEN ASSOCIATES 11861 WESTLINE INDUSTRIAL DR ST. LOUIS MO 63146 JOHN STUART 428 Ground Hog College Rd WEST CHESTER PA 19382-6761 JOHN VAN RODEN JR 1439 LANES END VILLANOVO PA 19085 JOHN W LIST 213 E 3RD ST YANKTON SD 57078 John Walden 431 W Mercury Butte MT 59701 JOHN WEBER 6615 HESPER RD BILLINGS MT 59106 JOHN WILEY & SONS INC PO Box 18684 NEWARK NJ 07191-8684 JOHN WILLIAM BERG & 1434 MCMULLEN LANE LAUREL MT 59044 JOHN ZOLTEK 928 2ND Ave W KALISPELL MT 59901 JOHNNYS LOCK & KEY SHOP 314 NO PINE ST GRAND ISLAND SD 68801 JOHNS TIRE CENTER PO Box 71 KIMBALL SD 57355 JOHNS TREE SERVICE PO Box 705 ABERDEEN SD 57402 JOHNSON BROS CONTRACTING INC 3757 N RESERVE ST NoA MISSOULA MT 59808-1517 JOHNSON BROTHERS CONTRACTING INC 3757 N RESERVE ST A MISSOULA MT 59808-1517 Johnson Brothers Excavation PO Box 185 Madison SD 57042 JOHNSON CONTROLS INC 3413 GATEWAY BLVD SIOUX FALLS SD 57106 JOHNSON CONTROLS INC 900 2ND St S Ste 2 GREAT FALLS MT 59405 Johnson Controls Inc 900 2nd St S Ste 2 Great Falls MT 59405-4014 JOHNSON CONTROLS INC PO Box 730068 DALLAS TX 75373 JOHNSON DAVID 15 CEDAR LAKE DR BUTTE MT 597014337 JOHNSON ELECTRIC 404 Broadway YANKTON SD 57078 JOHNSON HAULING 150 LARCH LANE COLUMBIA FALLS MT 59912 JOHNSON MADISON LUMBER CO INC 815 9TH St N GREAT FALLS MT 59403-2372 JOHNSON MIKE 4090 KALEIGH COURT MISSOULA MT 59803 JOHNSON RODENBURG&LAUINGER LAW FIRM PO Box 2427 FARGO ND 58108-2427 JOHNSON SAND & GRAVEL 1622 21ST ST SW HURON SD 57350 JOHNSON TIRE & SERVICE 606 6TH AVE CLAREMONT SD 57432 JOHNSONS CARPET CARE 1220 S MAIN St REDFIELD SD 57469 JOHNSTONE SUPPLY 734 HOLMES MISSOULA MT 59801 JOHNSTONE SUPPLY COMPANY 850 PARKWAY LANE BILLINGS MT 59108-0000 JOHNSTONE SUPPLY OF NEBRASKA 4444 S 108TH ST OMAHA NE 68137 JOHNSTONE SUPPLY OF SIOUX FALL 335 N WEBER AVE SIOUX FALLS SD 57103 JOINT UTILITY TRAINING SCHOOL PO Box 1138 PIERRE SD 57501-1138 JOKI & ASSOCIATES PO Box 281 HELENA MT 59624 JONES BROTHERS TRUCKING PO Box 4414 MISSOULA MT 59808 JONES DAY REAVIS & POGUE 222 E 41ST St NEW YORK NY 10017-6702 JONES EQUIPMENT INC PO Box 16448 MISSOULA MT 59808 6448 Jones Family Trust 9836 N Stone Creek Pl Tucson AZ 85742-9567 Jones Family Trust The Depository Trust Company 55 Water St 49th Fl New York NY 10041 JONGEJEUGD GARRY PO BOX 771 PLATTE SD 57369 JONGEJEUGD LARRY PO BOX 771 PLATTE SD 57369 JORDAN CONTRACTING INC PO Box 668 ANACONDA MT 59711-0668 Jordan Contracting Inc PO Box 668 Anaconda MT 59711 Jordon Patterson dba Patterson Lawn Care 1616 Juniper Dr Havre MT 59501 JORGENSONS INN & SUITES 1714 11TH Ave HELENA MT 59601 Josef Stauffer Mission Creek c o Vail Village Inn 100 East Meadow Drive Vail CO 81657 JOSEPH A MCELWAIN PO BOX 745 BUTTE MT 59703-0745 Joseph R Davis dba Davis Excavation 27 Tebay Ln Whitehall MT 59759 Joseph R Uckert RR 2 Box 139 Clear Lake SD 57226 JOSEPH ROBERTSON PO Box 67 BASIN MT 59631 JOSH MINALGA 417 W. Hayes St Bozeman MT 59715-5547 JOSLYN HI VOLTAGE 10208 NE 183RD ST BOTHELL WA 98011 JOSLYN MANUFACTURING COMPANY 4000 E 116TH St CLEVELAND OH 44105 JOSSEY BASS PO Box 18709 NEWARK NJ 07191-8709 JOURNAL STAR 926 P St LINCOLN NE 68501-0528 JOY DESTEFANO HAINES 717 LONGSTAFF ST MISSOULA MT 59801-3605 JOYCE IDSTROM 2155 PUEBLO DR BILLINGS MT 59102 JOYCE PASSENHEIM 351 DAKOTA S HURON SD 57350 JP Morgan Chase Bank 612083204 Attn Shannon G Roberts 14201 Dallas Parkway 12th Floor Dallas TX 75254 JP Morgan Chase Bank 668074AG2 Shannon G Roberts USSO Proxy Services 14201 Dallas Pkwy 12th Floor Dallas TX 75254 JP Morgan Chase Bank 668074AJ6 Shannon G Roberts USSO Proxy Services 14201 Dallas Pkwy 12th Floor Dallas TX 75254 JP Morgan Chase Bank as successor in interest to The Chase Manhattan Bank National Association as Trustee C MacNeil Mitchell Esq Winston & Strawn 200 Park Avenue New York NY 10166

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 73 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country JP Morgan Chase Bank as Trustee on behalf of the Bond Holders 4 New York Plaza 15th Floor New York NY 10004 JP Morgan Chase Bank as Trustee on behalf of the Senior Note Holders Corporate Trust Office 4 New York Plaza 15th Fl New York NY 10004 JP Morgan Chase Bank No 902 668034200 Shannon G Roberts USSO Proxy Services 14201 Dallas Pkwy 12th Floor Dallas TX 75254 JP Morgan Invest LLC c o ADP JPMorgan Chase Bank Attn Mr Romano Peluso 4 New York Plaza 15th Fl New York NY 10004 JPMorgan Chase Bank Attn: Lawrence OBrien VP Indenture Trustee of 6E95% due 2028 450 W 33rd St 15th Fl New York NY 10001 JPMorgan Chase Bank Attn: Lawrence OBrien VP Indenture Trustee of 7E875% due 2007 450 W 33rd St 15th Fl New York NY 10001 JPMorgan Chase Bank Attn: Lawrence OBrien VP Indenture Trustee of 8E75% due 2012 450 W 33rd St 15th Fl New York NY 10001 JPMorgan Chase Bank Attn: Lawrence OBrien VP Trustee of SD Mortgage Bonds 450 W 33rd St 15th Fl New York NY 10001 JPMORGAN CHASE BANK BOX 5886 GPO NEW YORK NY 10087-5886 JPMorgan Chase Bank as successor in interest to The Chase Manhattan Bank National Association as Trustee C MacNeil Mitchell Esq Winston & Strawn 200 Park Avenue New York NY 10166 JPMorgan Chase Bank as successor in interest to The Chase Manhattan Bank National Association as Trustee JPMorgan Chase Bank Attn Mr Romano Peluso 4 New York Plaza 15th Fl New York NY 10004 JPOWER INC Attn John Jaffray 5040 NORWEST CENTER 90 S 7TH St MINNEAPOLIS MN 55402 JS Corp dba Artmill 2700 Radio Way Eileen Chontos Missoula MT 59801 JS Corp dba Artmill 2700 Radio Way Missoula MT 59801 JT CONCRETE 3112 W 18TH ST GRAND ISLAND NE 68803 JTL GROUP PO Box 790 MISSOULA MT 59806 JTL GROUP PO Box 80066 BILLINGS MT 59108 JTL Group Inc 3131 US Highway 2 E Kalispell MT 59901 JTL Group Inc PO Box 790 Missoula MT 59806 JTL GROUP INC PO Box 9 BELGRADE MT 59714 JTL Group Inc PO Box 9 Belgrade MT 59714-0009 JUANITA VOLLMER 506 N GRAND BOZEMAN MT 59715 JUD SCHWARZROCK 3890 HELBERG DR STOP 2 HELENA MT 59602-8992 JUDITH BASIN CLERK & RECORDER PO Box 10 STANFORD MT 59479 JUDITH BASIN COUNTY TREASURER PO Box 427 STANFORD MT 59479 JUDITH BASIN PRESS PO Box 507 STANFORD MT 59479 JUDITH BASIN SEARCH & RESCUE PO Box 11 STANFORD MT 59429 JUDITH GAP HIGH SCHOOL PO Box 670 JUDITH GAP MT 59453 Judith Robinson Brodsky 157 E 57th St Apt 4A New York NY 10022-2143 Judith Robinson Brodsky The Depository Trust Company 55 Water St 49th Fl New York NY 10041 JUDY ASLESON PO Box 44 MONARCH MT 59463 Judy Coleman 3150 Sabre Dr Southlake TX 76092-2103 Juliann P Delperdang 4353 Old Lakeport Rd Sioux City IA 51106-9657 Juliann P Delperdang 4353 Old Lakeport Rd Sioux City IA 51106-9657 Juliann P Delperdang The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Julie Ann Johnson IRA 386 DEGRAW ST BROOKLYN NY 11231 JULIE HENRICH & BEN EVERETT 113 E THIRD St ANACONDA MT 59711 Julius and Frances Rassin 20 Carriage Square Aurora OH 44202-9215 Julius and Frances Rassin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 JUNE RAMBO 1016 N WASHINGTON LEWISTOWN MT 59457 JUNIOR ACHIEVEMENT 79 2ND ST HURON SD 57350 JUNIOR ACHIEVEMENT BROOKINGS PO Box 5227 BROOKINGS SD 57006-5227 JUNIOR ACHIEVEMENT OF BUTTE 1461 LONGFELLOW BUTTE MT 59701-3327 JUNIOR ACHIEVEMENT OF GRAND ISLAND PO Box 1306 GRAND ISLAND NE 68802 JUNIOR LEAGUE OF GREAT FALLS INC 10B 7TH St S GREAT FALLS MT 59401 JUPITER SULPHUR PO Box 30117 BILLINGS MT 59107 JUSTIN F OGLE PO Box 607 KILA MT 59920 JUSTIN POTTS 1820 15TH AVE E BROCKET AB T0K 0H0 Canada JUTTING PROPERTIES 1160 PROFESSIONAL DR VAN WERT OH 45891-2461 JVC SERVICE CENTER 5665 CORPORATE Ave CYPRESS CA 90630 JZ CONTRACTING PO Box 16801 MISSOULA MT 59808 K & E EQUIPMENT INC PO Box 1757 BILLINGS MT 59103-1757 K & K PARTS CO INC PO Box 1986 KEARNEY NE 68848 K & M Janitorial 1621 Yale Ave Butte MT 59701 K C WELDING & MACHINE SHOP 315 BACH St LEWISTOWN MT 59457 K H CONCRETE & SERVICES PO Box 1078 ENNIS MT 59729-1078 K Mart Store 7023 1815 Sixth Ave SE Aberdeen SD 57401 K O Lee Company 200 S Harrison Aberdeen SD K O Lee Company PO Box 1416 Aberdeen SD 57402-1416 K R OFFICE INTERIORS INC 2009 HARRISON Ave BUTTE MT 59702-3089 K&J CONVENTION DECORATORS PO Box 5234 HELENA MT 59604 K&M JANITORIAL 1621 YALE AVE BUTTE MT 59701 K&N ELECTRIC MOTORS INC 415 N FANCHER RD SPOKANE WA 98837 K&R AUTO BODY SHOP INC 206 2ND AVE SO LEWISTOWN MT 59457 K2 America PO Box 486 Cut Bank MT 59427 K2 AMERICA CORPORATION PO BOX 486 CUT BANK MT 59427 KAAR 93FM PO Box 3788 BUTTE MT 59702-3788 KAISER APPLIANCE & REFRIG 2000 Broadway YANKTON SD 57078-2115 KAISER CONCRETE PEOE BOX 2013 R R 2 LEWISTOWN MT 59457 KAISER HEATING & COOLING INC 1101 W 9TH YANKTON SD 57078 KAISERS WELDING & BLACKSMITHI PO Box 147 HIGHMORE SD 57345 KALISPELL BOXING CLUB PO Box 5659 KALISPELL MT 59903 KALISPELL CHAMBER OF COMMERCE 15 DEPOT LOOP KALISPELL MT 59901 KALISPELL FIREFIGHTERS ASSOC #547 PO Box 2893 Columbia Falls MT 59912-2893 KALISPELL JR MISS SCHOLARSHIP COM 2235 MISSION WAY N KALISPELL MT 59901

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 74 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country KALISPELL LAKERS LEGION BASEBALL PO Box 8444 KALISPELL MT 59904 KALISPELL LIONS CLUB 3220 US HIGHWAY 93 S No6 KALISPELL MT 59901 KALISPELL LOGGING & WELDING SUPPLY KALISPELL MT 59903-0178 KALISPELL POLICE ASSOCIATION PO Box 2451 KALISPELL MT 59901 KALISPELL STAMP & SEAL WORKS MFG 2113 US HIGHWAY 2 E KALISPELL MT 59901 KALISPELL UNIT HOURLY GAS EMPLOYEES Attn Tom Vanek PO BOX DRAWER 9888 KALISPELL MT 59904 KALISPELL UNIT OF HOURLY GAS EMPLOYEES ATTN TOM VANEK PO DRAWER 9888 KALISPELL MT 59904 KALISPELL WRESTLING CLUB 1607 8TH AVE E KALISPELL MT 59901 KALISPELL YOUTH SOFTBALL ASSOC PO Box 9892 KALISPELL MT 59901 KALS FM 106 COOPERATIVE WAY STE 102 KALISPELL MT 59901-2386 KAMP IMPLEMENT COMPANY I90 & JACKRABBIT LANE BELGRADE MT 59714-0000 KANEB PIPE LINE OPERATING PARTNERSHIP LP 100 NORTH BROADWAY Ste 550 WITCHITA KS 67202 KANTA PRODUCTS INC PO Box 96 THREE FORKS MT 59752-0000 KAPOR LUMBER PRODUCTS PO Box 86 BRIDGER MT 59014-0086 KAREN DIETZLER 11 WORK CREEK RD REED POINT MT 59069-8008 Karen Ellis Mr Courney Clayborne Johnson Eiesland Law Firm PO Box 6900 Rapid City SD 57709 KAREN SHANNON 13101 W 125TH PLACE OVERLAND PARK KS 66213 Kari J Randall 4712 S Plateau Trai Sioux Falls SD 57106 KARI STORMO 313 W 29TH ST SIOUX FALLS SD 57105-3801 KARLS TV & APPLIANCE 2921 W 41ST ST SIOUX FALLS SD 57105 KARLS TV & APPLIANCE PO Box 38 HURON SD 57350 KASPERS PHOTO SHOP INC 224 N 29TH ST BILLINGS MT 59101 KATHERINE MCKEITH PO Box 5 REEDPOINT MT 59069 Kathleen McNiff 1565 Rowland Street Apt 1D Bronx NY 10461-3100 Kathleen McNiff The Depository Trust Company 55 Water St 49th Fl New York NY 10041 KATHRYN MARTIN STAR ROUTE BOX 446 BROWNING MT 59417 KATHY C HILTON PO Box 883 DILLON MT 59725 KATHY HENNINGSEN 335 JANNEY RD BUTTE MT 59701 KATHY KOWATCH 2213 ALPINE Dr HELENA MT 59601 KATHY THOMPSON PO Box 47 DILLON MT 59725-0047 KATHY TIESZEN MARION INTERIOR DESIGN PO BOX178 MARION SD 57043 KATHY TIESZEN* PO Box 178 MARION SD 57043 KATHY TROGLIA 523 W Mercury St #A BUTTE MT 59701-1629 KATS (KALISPELL AQUATIC TEAM) PO Box 2362 KALISPELL MT 59903 KAUFMANNS OVERHEAD DOOR & 33 BARNETT LANE BOZEMAN MT 59715 Kaufmanns Overhead Door & Awning 33 Barnet Ln Bozeman MT 59715 Kay Foster c o Ronald S Gellert Esq Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Kay Foster Planteriors Unlimited 1916 3rd Avenue N PO Box 628 Billings MT 59101 Kay Foster Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Kay Foster Kay Foster Planteriors Unlimited 1916 3rd Avenue N PO Box 628 Billings MT 59101 KAY MCKENNA FOUNDATION PO Box 5329 HELENA MT 59604 KB CONSTRUCTION PO Box 682 COLUMBUS MT 59019 KB CONSTRUCTION INC 1310 HWY 91 N DILLON MT 59725 KBOW RADIO PO Box 3389 BUTTE MT 59701 KBOZ AM & FM RADIO PO Box 20 BOZEMAN MT 59715-2041 KBRK 1430 AM 227 22ND AVE S BROOKINGS SD 57006 KC AUTO BODY AND GLASS PO Box 69 LAKE NORDEN SD 57248 KC ENTERPRISES 3119 LAMPMAN DR BILLINGS MT 59102 KC LUMBER & SUPPLY 916 OAK ST FAULKTON SD 57438 KCAC PO Box 196 BUTTE MT 59701 KCGN RADIO PO BOX 101 MILBANK SD 57252 KEANE TRACERS INC 1 TOWER BRIDGE WEST CONSHOHOKEN PA 19428-2886 KEARNEY AREA CHAMBER PO Box 607 KEARNEY NE 68848 Kearney Area Chamber of Commerce PO Box 607 Kearney NE 68848 KEARNEY CATHOLIC HIGH SCHOOL 4007 BEL AIR DR KEARNEY NE 68845 KEARNEY CITY TREASURER PO Box 1180 KEARNEY NE 68847 KEARNEY CLINIC 211 W 33RD ST KEARNEY NE 68848-0670 KEARNEY CO SHERIFFS OFFICE PO Box 185 MINDEN NE 68959 KEARNEY COUNT TREASURER PO Box299 MINDEN NE 68959 KEARNEY COUNTRY CLUB PO Box 1207 KEARNEY NE 68848 KEARNEY COUNTY TREASURER PO Box 299 MINDEN NE 68959 KEARNEY CRETE & BLOCK PO Box 551 KEARNEY NE 68848-0551 KEARNEY FAMILY YMCA 4500 6TH AVE KEARNEY NE 68845 KEARNEY FLORAL CO 210 W 21ST St KEARNEY NE 68848 KEARNEY HIGH SCHOOL BOOSTER CLUB 1304 E 31ST ST KEARNEY NE 68847 KEARNEY HOUSING AUTH 2715 AVE I KEARNEY NE 68847 KEARNEY HUB PO Box 1988 KEARNEY NE 68848 KEARNEY MUNICIPAL AIRPORT PO Box 484 KEARNEY NE 68847-0484 KEARNEY NOON KIWANIS CLUB PO Box 35 KEARNEY NE 68848-0035 KEARNEY WINLECTRIC CO 1924 CENTRAL AVE KEARNEY NE 68847 KEARNEY WINNELSON CO 1303 E 27TH ST KEARNEY NE 68847 Keesler S S V Store 621 SE 6th Ave Aberdeen SD 57401 Keeslers 621 SE 6th Ave Aberdeen SD 57401 KEITH EPLER 145 FAWN HOLLOW DR ARGYLE TX 76226-9663 KEITH J POPOVICH MD 505 W PARK ST BUTTE MT 59701-9106 Keith W Grund dba Soda Supply PO Box 23 Belgrade MT 59714 KELLER HARDWARE INC 707 PHELPS WALLACE SD 57272 KELLER RENTAL 3501 S MINNESOTA AVE SIOUX FALLS SD 57105 KELLER SUPPLY COMPANY 3209 17TH AVE W SEATTLE WA 98119 KELLI SULLIVAN 16 HOLLY LANE BUTTE MT 59701

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 75 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Kelly and Dana Anderson 124 Rendezvous Trai Livingston, MT 59047 MT 59047 KELLY DIGITAL IMAGING 1926 UTAH AVE BUTTE MT 59701 KELLY ELECTRIC CO PO Box 1752 KEARNEY NE 68848-1752 Kelly Keintz dba Fence Link PO Box 3401 Missoula, MT 59806 MT 59806 KELLY KEITH 2206 W 17TH ST GRAND ISLAND NE 68803 KELLY SERVICES INC 1212 SOLUTIONS CENTER CHICAGO SD 60677-1002 KELLY SERVICES INC 1212 SOLUTIONS CENTER CHICAGO IL 60667-1002 KELLY SERVICES INC PO Box 820405 PHILADELPHIA PA 19182-0405 KELLY SUPPLY COMPANY PO Box 1328 GRAND ISLAND NE 68802-1328 KELLYS SIGNS 2315 12TH AVE S GREAT FALLS MT 59405 KELN FM HOT 97 1301 E 4TH NORTH PLATTE NE 69103-0248 KELN FM HOT 97 1301 E 4TH PO Box 248 NORTH PLATTE NE 69103-0248 KELSEY WELDING 212 1ST AVE SW ABERDEEN SD 57401 KEMBEL KOSENE & COMPANY INC 124 W PINE St MISSOULA MT 59808-6653 KEMC YELLOWSTONE PUBLIC RADIO 1500 UNIVERSITY Dr BILLINGS MT 59101 KEMDATA LABORATORIES PO Box 546 BIG SANDY MT 59520 KEN & KATHY HOFFMAN PO Box 1188 MALTA MT 59538 KEN BARBER 50 8TH ST NE HURON SD 57350 KEN ELLIOTT PO Box 58 HARLOWTON MT 59036 KEN JONASEN PO Box 589 GREAT FALLS MT 59403 KEN RAMSAY PO Box 1712 COLUMBIA FALLS MT 59912 KEN STAMP 3200 NETTIE BUTTE MT 59701 Kendall Winfrey 1106 W Park #249 Livingston MT 59047 KENECO HELENA 535 WILKENSON HELENA MT 59601 KENECO INC 1827 6TH St N E GREAT FALLS MT 59404 KENECO MISSOULA 4749 RICHLIE LANE MISSOULA MT 59808 Kenexa PO Box 827674 Philadelphia PA 19182-7674 KENEXA TECHNOLOGY INC PO Box 827674 PHILADELPHIA PA 19182-7674 KENMARK CONSTRUCTION 3970 Ave D STE A BILLINGS MT 59102 KENNECOTT ENERGY 345 INVERNESS DR S 310 CENTENNIAL CO 80112-5889 KENNER PLUMBING CO PO Box 222 BROOKINGS SD 57006 KENNETH A KAUFMAN PO Box 2008 ROBERTS MT 59070-9608 Kenneth B Emme 22135 Pillsbury Avenue Lakeville MN 55044-8230 Kenneth B Emme The Depository Trust Company 55 Water St 49th Fl New York NY 10041 KENNETH F HOLSHUE 3770 LEWIS St EAST HELENA MT 59635 KENNETH P WILLIAMS 17 LARIAT LOOP Bozeman MT 59715 KENNETH P WILLIAMS 17 LARIAT LOOP BOZEMAN MT 59715-9200 Kenneth S Liner and S Linda Line PO Box 37 Lake Junaluska NC 28745 Kenneth S Liner and S Linda Line The Depository Trust Company 55 Water St 49th Fl New York NY 10041 KENNETH ULRICH 239 S 4TH St E MALTA MT 59538 Kenny Laudato c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 KENS APPLIANCE PO Box 577 GRAND ISLAND NE 68801 KENS CATERING 1311 SHIRLEY RD HELENA MT 59602 KENS FOOD FAIR 106 N COMMERCIAL CLARK SD 57225 KENS GLASS & MIRROR 50 8TH ST NE HURON SD 57350 KENS REFRIGERATION 2612 14TH ST SW GREAT FALLS MT 59404 Kens Super Store 2201 SE 6th Ave Aberdeen SD KENT HANE 19920 US HIGHWAY 10 E CLINTON MT 59825 KENT SEATON 825 5TH AVE N GREAT FALLS MT 59401-1531 KENTON A YUNKER 206 E LAKE LEWISTOWN MT 59457 KENTUCKY SECRETARY OF STATE PO Box 1150 FRANKFORT KY 40602-1150 KENTUCKY STATE TREASURER KENTUCKY REVENUE CABINET FRANKFORT KY 40619 KENTUCKY STATE TREASURER KENTUCKY REVENUE CABINET FRANKFORT KY 40620-0004 KENYON NOBLE READY MIX PO Box 1387 BOZEMAN MT 59715 KEPCO SALES INC 6126 New Haven Dr Murray UT 84121-6527 KEPPS LUMBER COMPANY PO Box 129 ESTELLINE SD 57234 KEPS TRAINING SERVICE No7 MAYES MEADOWS CENTRALIA MO 65240 KEPS TRAINING SERVICE LLC 7 MAYES MEADOWS CENTRAILIA MO 65240 KERI GARVER 912 S BLACK AVE BOZEMAN MT 59715 KERN & ASSOCIATES INC 2310 S EIGHTH St MARSHALLTOWN IA 50158 KERNAGHANS SERVICE INC 1504 9TH Ave N GREAT FALLS MT 59403-1711 KEROTEST MANUFACTURING CORP PO Box 640236 PITTSBURGH PA 15264-0236 KESSLER PLUMBING PO Box 219 MITCHELL SD 57301-0219 Kesslers 621 SE 6th Ave Aberdeen SD 57401 KESSLERS INC 621 6TH AVE SE ABERDEEN SD 57401 KEVIN AND MIKE SMIDT* PO Box 365 MENNO SD 57045 Kevin Anderson Box 32 Andorer SD 57402 KEVIN BLANKENSHIP PO Box 682 COLUMBUS MT 59019 Kevin Fournier dba Fournier Decorating 1855 Garrison Ave Butte MT 59701 KEVIN HAGGERTY DRILLING INC 4940 STUCKY RD BOZEMAN MT 59718-9035 KEVIN PEDERSON RR 2 BOX 402 MILBANK SD 57252-9308 KEVIN SMIDT MENNO SD 57045 KEVINS SEED & FEED 626 MAIN ST ARMOUR SD 57313-0324 KEY & REPAIR SHOP 805 3RD AVE HAVRE MT 59501-4911 KEY BELLEVILLES INC 100 KEY LANE LEECHBURG PA 15656 Keyspan Laboratory Services One Metrotech Center 21st F Attn Elisa M Pugliese Esq Brooklyn NY 11201 KEYSPAN SYSTEM LABORATORY 287 MASPETH Ave BROOKLYN NY 11211 KGIM/KQKD PO Box 306 ABERDEEN SD 57402-0305 KICKING HORSE RESOURCES LTD 900 8006TH Ave SW CALGARY AB T2P 3G3 Canada KIDDE SAFETY DEPT 10597 PALATINE IL 60055-0597 KIDS VOTING SOUTH DAKOTA 12 4TH AVE SE ABERDEEN SD 57402-0093 KIEFER INDUSTRIAL HWY 30 W AMES IA 50010

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 76 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country KIEFER INDUSTRIAL HWY 30 WEST AMES IA 50010 KIEFFER SANITATION PO Box 2754 RAPID CITY SD 57709-2754 KIELY MANAGEMENT CO LLC PO Box 919 HELENA MT 59624-0919 KIJV AM/KZNC FM 1726 DAKOTA S HURON SD 57350 KILDARE LUMBER CO 800 E FRONT ST NORTH PLATTE NE 69101 KILIAN COMMUNITY COLLEGE 300 E 6TH ST SIOUX FALLS SD 57103-7020 KIM PEACH PO Box 1485 CHOTEAU MT 59422-1485 Kimball Cable TV EM Parsen PO Box 1043 Pierre SD 57501 KIMBALL CHAMBER OF COMMERCE PO Box 2 KIMBALL SD 57355-0002 KIMBALL HIGH SCHOOL STUDENT COUCIL PO Box 497 KIMBALL SD KIMBALL MEDICAL CLINIC PO Box 170 KIMBALL SD 57355 KIMBALL MIDWEST PO Box 714048 CINCINNATI OH 45271-4048 KIMBALL SCHOOL DISTRICT NO 7 2 300 S EAST ST KIMBALL SD 57355 KIMBALL VOLUNTEER FIRE DEPT PO Box 250 KIMBALL SD 57355 KIMBERLY C CARPENTER 155 W GRANITE St BUTTE MT 59701 KINDER MORGAN INC PO Box 3000 SCOTTSBLUFF NE 69363-3000 KINDT ERNEST 5 AMBER WAY BUTTE MT 59701 King & Spalding LLP Attn George B South 1185 Avenue of the Americas New York NY 10036 KINGS APPLIANCE REPAIR 815 W D NORTH PLATTE NE 69101 KINGSBURY COUNTY CLERK OF COURTS PO Box 176 DE SMET SD 57231 KINGSBURY COUNTY REGISTER 202 2ND SE DE SMET SD 57231 KINGSBURY COUNTY TREASURER PO Box 166 DE SMET SD 57231 Kingsbury Electric 511 5th St SW Desmet SD KINGSBURY ELECTRIC COOPERATIVE INC c o Dennis Kruse Manager Drawer E DE SMET SD 57231-9801 KINGSBURY ELECTRIC COOPERATIVE INC PO Box E DE SMET SD 57231 KINGSBURY MEMORIAL ? 700 SE 4TH St LAKE PRESTON SD KINKOS PO Box 530257 ATLANTA GA 30353-0257 KINKOS INC PO Box 672085 DALLAS TX 75267-2085 KINSBURG ELECTRIC PO Box KIP CLUB PO Box 114 KIMBALL SD 57355 KIPLINGER FORCAST PO Box 10910 DES MOINES IA 50340-0910 Kipp D Orme David J. Stagaman c o KMZ Rosenman 525 W. Monroe St 1600 Chicago IL 60661-3693 KIRK L STONER MD 448 LAUREL AVE PLENTYWOD MT 59254 KIRSCHENMAN ELECTRIC 353 W US HWY 18 MENNO SD 57045 KIWANIS CLUB KALISPELL PO Box 2893 Columbia Falls MT 59912-2893 KIWANIS CLUB OF ABERDEEN PO Box 1551 ABERDEEN SD 57401 KIWANIS CLUB OF BILLINGS HEIGHTS PO Box 1471 BILLINGS MT 59103-1471 KIWANIS CLUB OF BROOKINGS 310 21ST AVE BROOKINGS SD 57006 KIWANIS CLUB OF CLEAR LAKE PO Box 559 CLEAR LAKE SD 57006 KIWANIS CLUB OF GREAT FALLS PO Box 589 GREAT FALLS MT 59403 KIWANIS CLUB OF HELENA PO Box 4178 HELENA MT 59604 KIWANIS CLUB OF HURON 754 COLORADO AVE SW HURON SD 57350 KIWANIS CLUB OF MISSOULA PO Box 9115 MISSOULA MT 59807-9115 KIWANIS CLUB OF MITCHELL PO Box 131 MITCHELL SD 57301-0131 KIWANIS CLUB OF NORTH PLATTE PO Box 1576 NORTH PLATTE NE 69103 KIWANIS CLUB OF THE BRIDGERS PO Box 1294 BOZEMAN MT 59771 KIWANIS INTERNATIONAL FOUNDATION 3636 WOODVIE TRACE INDIANAPOLIS IN 46268 KIWI PETES TREE SERVICE 305 PLEASANT St MILES CITY MT 59301 KJAM RADIO 101 S EGAN MADISON SD 57042 KKAA/KQAA PO Box 847717 DALLAS TX 75284-7717 KKYA FM PO Box 628 YANKTON SD 57078 KLABZUBA OIL & GAS INC 930 W FIRST St FORT WORTH TX 76102 KLAMERT RAILROAD SALVAGE RRNo1 BOX 186 JOLIET MT 59041 KLASEN SEPTIC TANK PUMPING PO Box 1030 DILLON MT 59725 KLCM RADIO PO Box 620 LEWISTOWN MT 59457 KLEENAIR PRODUCTS CO 14230 S E 98TH CT CLACKAMAS OR 97015 KLEINSASSER DONALD 1816 MAPLE DR HURON SD 57350 KLOCKER APRIL 1220 S DUNHAM CIRCLE SIOUX FALLS SD 57106 KLUEBER ROLAND RR 1 BOX 163 CANISTOTA SD 57012 KM CONSTRUCTION CO INC 6656 FALCON LANE BOZEMAN MT 59718 KM CONSTRUCTION CO INC 6656 FALCON LANE BOZEMAN MT 59718 KM CONSTRUCTION CO INC 6656 FALCON Ln BOZEMAN MT 59718 KM Construction Co Inc PO Box 1341 Bozeman MT 59701 KMART CORP 3907 3535 W 13TH GRAND ISLAND NE 68801 KMART STORE 3749 W 3300 HARRISON Ave BUTTE MT 59701 KMIT PO Box 520 MITCHELL SD 57301 KMMF FOX 17 5115 US HIGHWAY 93 S Ste No1 MISSOULA MT 59804 KMZROSENMAN 525 W MONROE St Ste 1600 CHICAGO IL 60661-3693 KN ENERGY PO Box 3000 SCOTTSBLUFF NE 69363-3000 KNAPP ELECTRIC INC 1900 E 4TH ST NORTH PLATTE NE 69101 Knife River Coal Mining Company 1915 N Kavaney Dr Bismarck ND 58501 KNIFE RIVER COAL MINING COMPANY 1915 N KAVANEY Dr BISMARCK ND KNIGHTS CAGE CLUB 3701 CAVALRY HILLS DR NORTH PLATTE NE 69101 KNIGHTS MECHANICAL FALLING PO Box 17346 MISSOULA MT 59808 KNIGHTS OF COLUMBUS PO Box 2016 NEW HAVEN CT 06521 KNOBELS REFRIGERATION 2420 W FRONT ST NORTH PLATTE NE 69103 KNUTE LANDRETH MD PC 904 COLORADO AVE SW HURON SD 57350-2510 KOBAYASHI FUMIE 6912 18910 HIRAGISHI TOYOHIRAKU SAPPORO Japan KOCH MATERIALS COMPANY 4111 E 37TH St N WICHITA KS 67220 KODIAK CONCRETE 3137 CASINO CREEK Dr LEWISTOWN MT 59457 KOERNER CONSTRUCTION 27904 438th AVE FREEMAN SD 57029 KOHLERS BACKFLOW SERVICES 245 HELLGATE DR MISSOULA MT 59802

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 77 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country KOIS BROTHERS EQUIPMENT CO 1610 RIVER Dr N GREAT FALLS MT 59401 KOIS BROTHERS EQUIPMENT CO 1812 MONAD RD BILLINGS MT 59102 KOKK PO Box 931 HURON SD 57350 KOLETZKY IMPLEMENT INC 2302 E HIGHWAY 50 YANKTON SD 57078 KOMEN MONTANA RACE FOR CURE PO Box 9248 HELENA MT 59604 KONE INC PO Box 5778 HELENA MT 59604-5778 KOOISTRA BRYAN 9915 BRIAR Rd APT 628 BLOOMINGTON MN 55437 KOOL & NYGREN INC 422 SECOND Ave SE CEDAR RAPIDS IA 52401 KOOTENAI FAMILY PRACTICE 1224 W MAIN HAMILTON MT 59840 KORN KQRN AM FM 319 N MAIN MITCHELL SD 57301 KORY SMITH & JINXS MOBILE HOME 704 F St TOWNSEND MT 59644 KOZIOL PSYCHOLOGICAL SERVICES PC 1590 N ARLINGTON HEIGHTS Rd ARLINGTON HEIGHTS IL 60004 KOZIOL UPHOLSTERY & CONCRETE 2023 W 12th St Grand Island NE 68803 KPAX TV 8 PO Box 4827 MISSOULA MT 59806 KPMG LLP PO Box 120001 DALLAS TX 75312-0953 KR Office Interiors Inc 2009 Harrison Ave Butte MT 59701 KRAMP CONSTRUCTION INC PO Box 51 BRENTFORD SD 57429-0051 KRAPF MACHINE & SUPPLY 116 N CENTRAL AVE CUT BANK MT 59427-0895 KREATIVE KAPERS CATERING 609 AGATE Ave BILLINGS MT 59105 KRECH DAKOTA AIRSPRAY INC PO Box 648 HURON SD 57350-0648 KREITZBERG DARRELL REALTY ASSOCIATES PC BILLINGS MT KRI TECH POWER PRODUCTS LTD 94 LUND CLOSE RED DEER AB T4R 2T1 Canada KRIHA FLUID POWER 2133 Cornhusker Hwy LINCOLN NE 68521 1455 KRISPY KREME DONUTS 8420 W DODGE RD Ste 110 OMAHA NE 68114 KRISTA THORSON MOOSE & MOUSE FRAMING BILLINGS MT 59105 KRISTI JONES 518 SE FIRST MADISON SD 57042 KRISTINE SOUTHWORTH RR2 BOX 2157 LEWISTOWN MT 59457-9617 Kristy Richter 6201 W 46th Street Sioux Falls SD 57106-1205 KRIZ DAVIS COMPANY PO Box 1427 GRAND ISLAND NE 68802-1427 KROLL ASSOCIATES INC 900 3RD AVE NEW YORK NY 10022-4751 Kronebusch Electric Inc 120 N Front St Conrad MT 59425 KRTV 3 PO Box 2989 GREAT FALLS MT 59403 KRUG & SONS INC 24750 HIGHWAY 212 LAUREL MT 59044 KRUG & SONS INC 24750 Hwy 212 LAUREL MT 59044 KRUG PRODUCTS INC 419 SW 2ND ST MADISON SD 57042 KRUSE ENTERPRISES 17608 ROCKY MOUNTAIN RD BELGRADE MT 59714 KS PLUS INC PO Box 1665 NORTH PLATTE NE 69103-1665 KS93/KSDR FM 3 E KEMP WATERTOWN SD 57201 KSDN AM/FM PO Box 847717 DALLAS TX 75202-7717 KSFY TV PO Box 11407 BIRMINGHAM AL 35246-0233 KSYZ FM RADIO PO Box 5108 GRAND ISLAND NE 68802-5108 KT CONNECTIONS INC 829 QUINCY ST RAPID CITY SD 57701 KT HEATING & AIR CONDITIONING 234 E J ST HASTINGS NE 68901 KTVQ COMMUNICATION INC PO Box 2557 BILLINGS MT 59103 KUECKER CLEANING SERVICE RR1 WEBSTER SD 57274 KUFM FM MONTANA PUBLIC RADIO UNIVERSITY OF MONTANA MISSOULA MT 59812 KUHLMAN ELECTRIC CORP PO Box 3722 BUTTE MT 59701 KUHNS PLUMBING 504 N DAKOTA AVE HURON SD 57350-1641 KUIPS CORNER HARDWARE PO Box 925 PLATTE SD 57369-0925 KULR TV PO Box 80810 BILLINGS MT 59108-0810 KUNHARDT DEVELOPMENT FUND 648 ARIZONA AVE SE HURON SD 57350 KUNZ GLOVE COMPANY 339 N ORTH OAKLEY BLVD CHICAGO IL 60612-2215 Kurt Katz c o Sarah Cooper Baker Botts LLP One Shell Plaza 910 Louisiana Houston TX 77002 Kurt Whitesel 5708 PRAIRIE VIEW COURT Sioux Falls SD 57108 Kurt Whitesel Clair R Gerry Atty PO Box 966 Sioux Falls SD 57101-0966 KURT WHITESEL Clair R Gerry Atty PO Box 966 SIOUX FALLS SD 57101 Kurt Whitesel Clair R Gerry Atty PO Box 966 Sioux Falls SD 57101-0966 KUSM MONTANA PBS PO Box 173340 BOZEMAN MT 59717-3340 KUSM TV 172 VCB MSU BOZEMAN MT 59717 KUSTOM CALL ANSWERING SERVICE PO Box 396 BUTTE MT 59703 KUTILS CARQUEST 310 4TH ST NE HURON SD 57350-0076 KVHT FM PO Box 718 YANKTON SD 57078 KXLF COMMUNICATIONS INC PO Box 3500 BUTTE MT 59702-3500 KXLF TV PO Box 2724 BUTTE MT 59701 KXLO BROADCASTING INC PO Box 620 LEWISTOWN MT 59457 KXTL AM/KQUY FM(Y 95) PO Box 3788 BUTTE MT 59702 KYBURZ CARLSON CONSTRUCTION CO PO Box 437 ABERDEEN SD 57401 KYLE BULT 455 5TH ST NE HURON SD 57350 KYNT AM PO Box 628 YANKTON SD 57078 KYOCERA MITA AMERICA INC PO Box 31001 0271 PASADENA CA 91110-0271 KYOCERA MITA AMERICA INC PO Box 310010271 PASADENA CA 91110-0271 KZNC FM 1726 DAKOTA AVE S HURON SD 57350 L & B SHARPENING 819 2ND AVE N GREAT FALLS MT 59401 L & C COUNTY 4 H PO Box 855 HELENA MT 59624 L & L AUTO PARTS INC 419 3RD ST BROOKINGS SD 57006 L & L MOTOR SUPPLY INC 308 CAPITAL YANKTON SD 57078 L A GREENERY 1604 W 15TH ST SIOUX FALLS SD 57104 L COM INC 45 BEECHWOOD Dr NORTH ANDOVER MA 01845 L E RIBAR COMPANY INC 2107 COMO AVE SE MINNEAPOLIS MN 55414-2599 L L HARDER INC 5013 W 12TH ST SIOUX FALLS SD 57106 L M NEILSON & SONS INC 3505 CLARK FORK WAY MISSOULA MT 59808 L S JENSEN CONSTRUCTION & PAVING PO Box 16296 MISSOULA MT 59808

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 78 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country L V JANITORIAL SERVICE 1621 YALE Ave BUTTE MT 59701 L&M TRUCK SALES INC 4001 E BOONE SPOKANE WA 99211-1912 LA CASITA CAFE 1911 EE 4TH NORTH PLATTE NE 69101 La Verne R Anderson 4767 Regents Park Williamsburg VA 23188-1798 La Verne R Anderson The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LAB SAFETY SUPPLY INC PO Box 5004 JANESVILLE WI 53547-5004 LABOR RESEARCH INC PO Box 680385 HOUSTON TX 77268 LABORERS INTL UNION OF AMERICA LOCAL No 1334 KALISPELL MT 59901 LACY CONSTRUCTION 715 S CLARK ST GRAND ISLAND NE 68802 LADENBURG LAWN SPRINKLERS PO Box 989 COLUMBIA FALLS MT 59912 LADY KNIGHTS BOOSTER CLUB 601 W STATE FARM RD NORTH PLATTE NE 69101-9491 LAFARGE NORTH AMERICA 5400 W MARGINAL WAY SW SEATTLE WA 98124 Lagerquist Corporation 3021 39th St SW B Fargo ND 58104-8610 Lagerquist Elevators 3021 39th St SW B Fargo SD 58104-8610 LAGERS INN 20 SW 3RD AVE ABERDEEN SD 57401 LAGO MAR RESORT AND CLUB 1700 S OCEAN LANE FORT LAUDERDALE FL 33316 LAKE AREA FAMILY HEALTH CENTER PO Box 5074 SIOUX FALLS SD 57117-5074 LAKE AREA HOSPITAL DON FINN 1401 W 1ST ST WEBSTER SD 57274 LAKE AREA HOSPITAL PO BOX 489 N First St WEBSTER SD 57274-0489 LAKE AREA IMPROVEMENT CORP PO Box 32 MADISON SD 57042-0032 LAKE AREA TECH INSTITUTE PO Box 730 WATERTOWN SD 57201-0730 LAKE CENTRAL MADISON MIDDLE SCHOOL 800 NE 9TH MADISON SD LAKE COUNTY CLERK OF COURTS 200 E CENTER St MADISON SD 57042 LAKE COUNTY CLERK OF COURTS 200 E CENTER ST REDFIELD SD 57042 LAKE COUNTY FRIENDS OF 4 H 1000 S EGAN AVE MADISON SD 57042 LAKE COUNTY INTERNATIONAL INC PO Box 429 MADISON SD 57042-0429 LAKE COUNTY LEADER PO Box 7610 POLSON MT 59860-1090 LAKE COUNTY REGISTER OF DEEDS 200 E CENTER MADISON SD 57042 LAKE COUNTY TREASURER 200 E CENTER ST MADISON SD 57042 LAKE COUNTY TREASURER COURTHOUSE POLSON MT 59860 LAKE FRANCIS CASE DEVELOP CORP 115 W LAWLER CHAMBERLAIN SD 57325 LAKE HILLS MENS ASSOCIATION PO Box 21584 BILLINGS MT 59104 LAKE MADISON 100 SILVERCREEK DRE WENTWORTH SD 57075 LAKE NORDEN AMATEUR BASEBALL PO Box 97 LAKE NORDEN SD 57248 LAKE NORDEN CREMERY DAVISCO INT 408 OAK St BOX 66 LAKE NORDEN SD 57248 LAKE NORDEN CREMERY DAVISCO INT 704 N MAIN ST POST OFFICE 69 LE SUER MN 56058-0069 LAKE PLATTE SUPPER CLUB PO Box 953 PLATTE SD 57369 LAKE PRESTON CHAMBER PO Box 246 LAKE PRESTON SD 57249 LAKE PRESTON CO OP ASSOCIATION PO Box 158 LAKE PRESTON SD 57249 LAKE PRESTON COOP 100 2ND NW LAKE PRESTON SD LAKE PRESTON COOP ELEVATOR 107 CHASE NE DESMET SD LAKE PRESTON DEVELOPMENT CORPORATION 327 MAIN Ave N PO BOX 215 LAKE PRESTON SD 57249 LAKE PRESTON HEALTH CARE TEALWOOD INC 700 SE 4TH St LAKE PRESTON SD LAKE PRESTON PUBLIC SCHOOL 303 SE 1ST LAKE PRESTON SD LAKE PRESTON PUBLIC SCHOOL PO Box 38 LAKE PRESTON SD 57249-0038 LAKE PRESTON TIMES 301 MAIN AVE N LAKE PRESTON SD 57249 LAKE PRESTON VOLUNTEER FIRE PO Box 174 LAKE PRESTON SD 57249 LAKE PRESTON VOLUNTEER SVS BANK 402 SPRING S LAKE PRESTON SD 57249 LAKE PRSTION AFTER PROM PARTY 44490 204TH St LAKE PRESTON SD 57249 Lake Region Electric 1212 N Main St Webster SD LAKE REGION ELECTRIC ASSOC IN PO Box 341 WEBSTER SD 57274-0341 LAKESHORE ADMINISTRATIVE STAFFING 33112 TREASURY CENTER CHICAGO IL 60694-3100 LAKEVIEW GOLF COURSE 600 W 23RD MITCHELL SD 57301 LAKEVIEW LAND AND LIVESTOCK HC BOX 35 MOLT MT 59057 Lakewood Mall 11506 Nicholas St Ste 200 Omaha NE 68154-4421 Lakewood Mall 3315 SE 6th Ave Aberdeen SD 57401 LAMAR OUTDOOR ADVERTISING INC PO BOX 151 HELENA Helena MT 59624 LAMINATED WOOD SYSTEMS INC PO Box 3722 BUTTE MT 59701 LAMINATED WOOD SYSTEMS INC PO Box 386 SEWARD NE 68434 LANCASTER CO TREASURER 555 S 10TH ST LINCOLN NE 68508 LANCE HART 2816 PRONGHORN DR LAUREL MT 59044 Land & Water Consulting Inc PO Box 8254 Missoula MT 59701 LAND & WATER CONSULTING INC PO Box 8254 MISSOULA MT 59807 LAND AND COMPANY LLC PO Box 521 BILLINGS MT 59103 LAND MARK FINANCIAL CORPORATION DEPT 0593 DENVER CO 80263-0593 LANDIS & GYR ENERGY MGMT INC 1730 TECHNOLOGY Dr SAN JOSE CA 95110-1365 LANDMANNJUNGMAN 600 BILLARS SCOTLAND SD LANDOLAKES 111 KASAN AVE VOLGA SD 57071 LANDOLAKES DAIRY FOODS PURCHASING ARDEN HILLS MN LANDOLAKES AGRICULTURAL SERVICE 115 E HIGHWAY 14 VOLGA SD 57071 LANDS ENERGY CONSULTING 2366 EASTLAKE Ave Ste 311 SEATTLE WA 98102 Lands Energy Consulting Inc Lands Energy Consulting 2366 Eastlake Ave East Ste 311 Seattle WA 98102 LANDSCAPE GARDEN CENTERS PO Box 1669 SIOUX FALLS SD 57101-1669 LANDSTROMS LOFT 314 DAKOTA AVE S HURON SD 57350 LANGFORD BUGLE PO Box 107 LANGFORD SD 57454 LANGFORD POST PROM PO Box 233 PIERPONT SD 57468 LANGFORD PUBLIC SCHOOL PO Box 127 LANGFORD SD 57454 LANGLAS & ASSOCIATES 2270 GRANT RD BILLINGS MT 59102 LANGS TV & APPLIANCE 2705 SE 6TH AVE ABERDEEN SD 57401 LANNY RAY OLSON PO Box 928 HURON SD 57350 LAPP INSULATOR COMPANY 22255 SW 102ND PLACE AVE TUALATIN OR 97062

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 79 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country LAPP INSULATOR COMPANY PO Box 75089 CHICAGO IL 60675 LARKEN PROPERTIES 4545 MCARTHUR BLVD NEWPORT BEACH CA 89511 LARRY & GARRY JONGEJEUGD PO Box 771 PLATTE SD 57369 Larry & Peggy Hofmeister 4505 S Mountain Ash Drive Sioux Falls SD 57103 Larry & Peggy Hofmeister The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LARRY & SANDY LETT PO Box 1232 MALTA MT 59538 Larry and Mary Brodock 188 Pondorosa Lane Lewistown MT 59457-8636 LARRY BETTERMAN 9 SIOUX LANE KEARNEY NE 68847 LARRY DOCKTER 207 E HARRY ST CASTLEWOOD SD 57223 Larry E Frost 1703 South Dakota Street Aberdeen SD 57401 LARRY F NESS Latham & Watkins LLP Attn Michele Kyrouz YANKTON SD 57078-0156 LARRY F NESS Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite1900 San Francisco CA 94111-2562 LARRY F NESS Latham & Watkins LLP Steven Sorell 633 W Fifth St Ste 4000 Los Angeles CA 90071 LARRY HEFRIN PO Box 443 COLUMBUS MT 59019 LARRY HUNT 2900 ST MICHAELS DR MISSOUL MT 59803 Larry J Jaeger dba Highland Repai 2000 Waterline Rd Butte MT 59701 LARRY JONES 700 SW HIGGINS AVE Ste 250 MISSOULA MT 59803-3602 Larry Nelson 206 E 5th Street Box 38 Canton SD 57013 LARRY NITZ 1101 16TH ST W HAVRE MT 59501-5055 LARRY PEMBERTON PO Box 945 DENTON MT 59430-0945 LARRY R BRODOCK 214 HAWTHORNE AVE LEWISTOWN MT 59457-1909 LARRY REED HC50 BOX 4454 RED LODGE MT 59058 LARRY REVIER 64 MT HIGHWAY 28 N PLAINS MT 59859-9601 LARRYS CANVAS 801 1/2 BURLEIGH YANKTON SD 57078 LARRYS HEATING & COOLING 920 Broadway YANKTON SD 57078 LARRYS PLUMBING 703 BURLEIGH YANKTON SD 57078 LARRYS REFRIGERATION & HTG 225 NW 2ND ST ORTONVILLE MN 56278 LARRYS WINDSHIELD & HEADLIGHT 1140 WATERLINE Rd BUTTE MT 59701 LARSEN CAROL 27310 MEADOW RIDGE RD HARRISBURG SD 57032 LARSEN MFG CO 1290 DAKOTA N HURON SD 57350 LARSON ALLEN WEISHAIR & CO LLP 220 S 6TH ST STE 1000 MINNEAPOLIS MN 55402-4505 LARSON ALLEN WEISHAIR & CO LLP SDS 122180 MINNEAPOLIS MN 55486-2180 LARSON DIGGING INCOROPORATED 20853 418TH Ave IROQUOIS SD 57353 LARSON ELECTRIC PO Box 346 MILBANK SD 57252 LARSON MANUFACTURING CO SUNRISE RIDGE RD BROOKINGS SD LARSON MFG CO 1290 DAKOTA N HURON SD 57350 LARSON REMODELING PO Box 203 MELETTE SD 57461-0203 LASER LABEL TECHNOLOGIES PO Box 945837 ATLANTA GA 30394-5837 LASER PRINT SYSTEMS PO Box 581 CORVALLIS MT 59828 LATHAM & WATKINS PO Box 894483 LOS ANGELES CA 90189-4483 Latham & Watkins LLP Steven Sorell 633 W Fifth St Ste 4000 Los Angeles CA 90071 LAUREL CHAMBER OF COMMERCE 108 E MAIN ST LAUREL MT 59044-3104 LAUREL HEARING AID 109 W MAIN LAUREL MT 59044 LAUREL LEGION BASEBALL ASSOC PO Box 144 LAUREL MT 59041 LAUREL MEDICAL CENTER 1035 1ST AVE LAUREL MT 59044 LAUREL OUTLOOK PO Box 278 LAUREL MT 59044 LAUREL SENIOR CELEBRATION 2002 405 W 8TH ST BILLINGS MT 59044 LAURIE J BROWN 25 1/2 FOSTER LANE BILLINGS MT 59101 LAURIE WALLACE PO Box 74 MILLER NE 68858 LAVERELLS 901 OTTER CREEK RD BIG TIMBER MT 59011 LaVerne Mennenga RR 2 Box 72 Castlewood SD 57223 LaVerne R Anderson 4767 Regents Park Williamsburg VA 23188-1798 LaVerne R Anderson The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LAVETTA COLLIER PO Box 191 HAVRE MT 59501 Lavina High Schoo PO Box 146 Lavina MT 59046 Law Debenture Trust Company of New York Attn Daniel R Fisher Senior Vice Presiden 767 Third Ave 31st F New York NY 10017 LAW ENFORCEMENT SYSTEMS PO Box 1348 LONG ISLAND NY 11101 LAW JOURNAL NEWSLETTERS PO Box 850054073 PHILADELPHIA PA 19178-4073 LAW JOURNAL PRESS 345 PARK Ave S NEW YORK NY 10010 LAWLER AUTOMOTIVE INC 801 N LAWLER MITCHELL SD 57301 LAWNS ETC PO Box 1116 CORVALLIS MT 59828 LAWNS PLUS 1366 US HIGHWAY 93 S HAMILTON MT 59840 LAWNS UNLIMITED 101 N MAIN ST FREEMAN SD 57029 LAWNS UNLIMITED 101 N MAIN ST PO Box 112 FREEMAN SD 57029 LAWPRESS CORPORATION PO Box 5024 WESTPORT CT 06881 LAWRENCE & ESTHER JENNI PO Box 2228 LEWISTOWN MT 59457 LAWRENCE & SCHILLER INC 3932 S WILLOW AVE SIOUX FALLS SD 57105-6293 Lawrence A Anderson Strause Anderson & Barer PC 18 6th St N Ste 201 Great Falls MT 59401-3148 Lawrence A Anderson LAWRENCE F ROONEY PO Box 97 WHITEFISH MT 59937-0097 LAWRENCE J RAMAEKERS 6027 LE LAC Rd BOCA RATON FL 33496 Lawrence Walker c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 LAWRENCE WELK 409 S JAY ST ABERDEEN SD 57401-4446 LAWSON PRODUCTS INC 135 S LASALLE DEPT 2689 CHICAGO IL 60674-2689 LAWSON PRODUCTS INC 466 N SUNSET DR MINA SD 57460 LAWYERS WEEKLY PUBLICATIONS 41 W St BOSTON MA 02111 LAYNE MINNESOTA COMPANY 3147 CALIFORNIA ST NE MINNEAPOLIS MN 55418 LAZARD FRERES & CO LLC 200 W MADISON St STE 2200 CHICAGO IL 60606-3416 LB & A PO Box 540 WESTTOWN PA 19395 LBFNE HAMPTON INN NORTH PLATTE 200 PLATTE OASIS PARKWAY NORTH PLATTE NE 69101 LC STAFFING SERVICE 702 E Idaho St KALISPELL MT 59901-3203 LCM PATHOLOGISTS PC PO Box 5134 SIOUX FALLS SD 57117-5134

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 80 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Lead Plaintiffs on behalf of themselves and all others similarly situated in In re Northwestern Corporation Securities Litiga Michael S Etkin Esq & Ira M Levee Esq Lowenstein Sandler PC 65 Livingston Avenue Roseland NJ 07068 LEADERSHIP DIRECTORIES INC 104 FIFTH AVE NEW YORK NY 10114-0361 LEADING EDGE AVIATION SERVICES INC 5225 US HIGHWAY 10 W MISSOULA MT 59808 LEADING TECHNOLOGY SALES INC 2 APPLETREE SQUARE STE 145 BLOOMINGTON MN 55425 LEAH JUSTICE 308 MENDENHALL DR WILMINGTON NC 28411-9198 LEAN LAURA 647 LOWER DEEP CREEK Rd TOWNSEND MT 59644 LEARNING PARTNERS ADULT EDUCATION 126 S MAIN St LIVINGSTON MT 59047 LEARY CONTRACTING ROUTE 1 BOX 1533 LEWISTOWN MT 59457 LEARY DANIEL 215 WINDING HILL DR HACKETTSTOWN NJ 07840-5665 LED 1001 E 52ND ST N SIOUX FALLS SD 57101 LEDTRONICS INC 23105 KASHIWA COURT TORRANCE CA 90505 Lee Lescaze 710 Broadway Apt 6 New York NY 10003-9527 Lee Lescaze The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LEE MCELWAIN 10555 W JEWELL AVE LAKEWOOD CO 80232 LEGACY CONSULTING SERVICES 403 W QUARTZ BUTTE MT 59701-9156 Legacy Consulting Services LLC 403 W Quartz St Box 75 Butte MT 59701-9156 Legato Systems Inc 3210 Porter Dr Palo Alto CA 94304 Legg Mason Wood Walker Inc c o ADP LEGISLATIVE MAIL 500 E CAPITOL AVE PIERRE SD 57501 Lehman Management Co Inc 55 Water St New York NY 10041 LEILA WRIGHT 2504 WOODY Dr BILLINGS MT 59102 LEISURE LAWN SPRINKLER SYSTEMS INC PO Box 1331 GREAT FALLS MT 59403 LELAND J WALKER c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 E 8th St Ste 200 Wilmington DE 19801 LENNOX INDUSTRIES INC PO Box 910549 DALLAS TX 75391-0549 LEO BECKER 3848 VIGILANTE Dr GREAT FALLS MT 59405 LEO FITZGERALD PO BOX 152 MARION SD 57043 Leon Plastics Inc Alda NE 68810 LEONARD ETCHART MD PO Box 30297 BILLINGS MT 59107 Leonard St & Deinard PA 612 3351418 FAX 612 3351657 150 S Fifth St Ste 2300 Minneapolis MN 55402 LEONARDS PO Box 27 DEER LODGE MT 59722 LEONARDSTREET & DEINARD 150 S 5TH ST STE 2300 MINNEAPOLIS MN 55402 LEPROWSE CONSTRUCTION PO Box 3643 BUTTE MT 59701 LEROY E HOTTMAN 1227 S LAWSON ST ABERDEEN SD 57401 LEROY IVERSON 1842 S 10TH W MISSOULA MT 59801 LEROY MEYER ROUTE 3 BOX 239 GRAND ISLAND NE 68801 LES SCHWAB TIRES 290 HOLLAND ST BUTTE MT 59701 LESMAN IRON WORKS INC 411 N 18TH ST BILLINGS MT 59101 LESOFSKI & WALSTAD 21 N LAST CHANCE GULCH HELENA MT 59601 LETZ CHARLES 2010 THIEL RD LAUREL MT 590448839 LEVEL 3 COMMUNICATIONS 2675 CORPORATE EXCHANGE Dr COLUMBUS OH 43231 LEVI LOVSHIN 1810 BLACKTAIL LOOP BUTTE MT 59701 LEWIS & CLARK BEHAVIORAL HEALTH SER 1028 WALNUT YANKTON SD 57078 LEWIS & CLARK CONSERVATION DISTRICT HELENA MT 59601 LEWIS & CLARK COUNTY 228 E Broadway ST HELENA MT 59601-4234 Lewis & Clark County Clerk 316 N Park Ave Helena MT 59601 LEWIS & CLARK COUNTY TREASURER 316 N PARK HELENA MT 596014234 LEWIS & CLARK COUNTY TREASURER 316 N PARK HELENA MT 59624 LEWIS & CLARK LITERACY COUNCIL 815 FRONT HELENA MT 59601 LEWIS DRUGS INC 1950 DAKOTA S HURON SD 57350 LEWIS HUPPERT & SLOVAK PC 725 3RD AVE N GREAT FALLS MT 59403 Lewis Manufacturing & Construction Inc PO Box 250 Bridger MT 59014-0001 Lewis Manufacturing and Construction In PO Box 250 Bridger MT 59014-0001 LEWIS MFG & CONSTRUCTION INC PO Box 250 BRIDGER MT 59014 LEWIS TAMMIE 47380 203RD ST WHITE SD 57276 LEWIS TRANSPORTATION SYSTEMS PO Box 10157 FARGO ND 58106 LEWIS WARD 154 BRADLEY St APT No2R NEW HAVEN CT 06511 LEWISTOWN AREA CHAMBER OF COMM PO Box 818 LEWISTOWN MT 59457-0818 LEWISTOWN BOBCAT BOOSTER CHPTER MONTANA BUILDING LEWISTOWN MT 59457 LEWISTOWN CIVIC CENTER 305 WE WATSON St LEWISTOWN MT 59457 LEWISTOWN DISPOSAL INC PO Box 1143 LEWISTOWN MT 59457 LEWISTOWN HONDA 3RD & IDAHO LEWISTOWN MT 59457 LEWISTOWN NEWS ARGUS PO Box 900 LEWISTOWN MT 59457 LEWISTOWN POWER CLUB 220 S DAWES ST LEWISTOWN MT 59457-3037 LEWISTOWN PROPANE & FERTILIZER COMPANY LEWISTOWN MT 59457-0088 LEWISTOWN SEA LIONS SWIM TEAM PO Box 193 LEWISTOWN MT 59457 LEWISTOWN SEAMLESS GUTTERS PO Box 2335 LEWISTOWN MT 59457 LEWISTOWN SWEEPING 121 3RD AVE S LEWISTOWN MT 59457 LEWISTOWN WATER DEPARTMENT 305 W WATSON LEWISTOWN MT 59457 LEWISTOWN WATER DEPARTMENT 305 WEST WATSON LEWISTOWN MT 59457

LEWISTOWN YOUTH BASEBALL & SOFTBALL 220 S DAWES LEWISTOWN MT 59457 LEXIS NEXIS Attn Stacey Sain P O Box 933 Dayton OH 45401 LEXIS NEXIS PO Box 2314 CAROL STREAM IL 60132-2314 LEXIS NEXIS PO Box 894166 LOS ANGELES CA 90189-4166 Lexis Publishing Attn Sandra D Reardon 1275 Broadway Albany NY 12204 LEXISNEXIS PO Box 2314 CAROL STREAM IL 60132-2314 LEXISNEXIS PO Box 72470178 PHILADELPHIA PA 19170-0178 LEXISNEXIS MATHEW BENDER PO Box 7247 0178 PHILADELPHIA PA 19170-0178 LEXISNEXIS MATHEW BENDER PO Box 72470178 PHILADELPHIA PA 19170-0178

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 81 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country LEXTRON ANIMAL HEALTH 1380 MINNESOTA AVE BILLINGS MT 59101-7983 LH RESIDENTIAL LLC 7403 HIGHLINE COURT MISSOULA MT 59808 LH Residential LLC 7403 Highline Ct Missoula MT 59808 LIANE & TRAVIS NEWMAN PO Box 16 MELSTONE MT 59054 LIB COMPUTER & INFO 6550 E 30TH ST INDIANAPOLIS IN 46206-6325 LIBERTY COUNTY TEASURER COURTHOUSE CHESTER MT 59522 LIBERTY & ROCKY MOUNTAIN PIPE 1321 8TH AVE N Ste 207 GREAT FALLS MT 59401 LIBERTY CLEANERS PO BOX 1000 KEARNEY NE 68848-1000 LIBERTY COUNTY CHAMBER OF COMM ERCE CHESTER MT 59522-0632 LIBERTY COUNTY COMBINED FUND DRIVE PO Box 463 CHESTER MT 59522 LIBERTY COUNTY TIMES INC PO Box 689 CHESTER MT 59522-0689 LIBERTY COUNTY TREASURER COURTHOUSE CHESTER MT 59522 LIBERTY ELECTRIC 99 GIBSON FLAT RD GREAT FALLS MT 59405 LIBERTY ELECTRIC INC PO Box 327 CHESTER MT 59522 Liberty Northwest Insurance Corporation Kathryn Reynolds Morton PO Box 4400 Portland OR 97203-4400 LIBERTY VILLAGE ARTS CENTER PO Box 269 CHESTER MT 59522 LIBRARY OF COMPUTER & INFO 505 RIDGE AVE HANOVER PA 17334 LICOM INC A SUBSIDIARY OF VBAND CORP HERNDON VA 22070 LIEBERT CORPORATION PO Box 70474 CHICAGO IL 60673 Liebert Global Services 610 Executive Campus Dr Westerville OH 43082 Liebert Global Services Liebert Customer Service & Support 610 Executive Campus Dr Westerville OH 43082 LIEN TRANSPORTATION PO Box 40 ABERDEEN SD 57402-0040 Lien Transportation W Hwy 12 Aberdeen SD LIEN TRANSPORTATION CO PO Box 40 ABERDEEN SD 57402-0040 Lien Transportation Company PO Box 40 Aberdeen SD 57402-0040 LIFE CARE SERVICES PO Box 8839 MISSOULA MT 59807 Life Care Services PH# 406 7219320 FAX# 406 5495305 PO Box 8839 Missoula MT 59807 LIFETRONICS INC PO Box 50838 BILLINGS MT 59105-0838 LIFFRING MACHINE & REPAIR 911 THIRTEENTH ST N GREAT FALLS MT 59401 LIGHTRIVER TECHNOLOGIES INC PO Box 45325 SAN FRANCISCO CA 94145-0325 LIGHTYEAR COMMUNICATIONS PO Box 742516 CINCINNATI OH 45274-2516 LILAH R SOMMERS 19082 N RH JOHNSON BLVD Ste A SUN CITY WEST AZ 85375 Lily Brems 2401 Walnut St Philadelphia PA 19103 LIMOGES CONSTRUCTION INC 3601 N POTSDAM SIOUX FALLS SD 57104 LINA PO Box 85005045 PHILADELPHIA PA 19178-5045 LINCOLN CHAMBER OF COMMERCE PO Box 99 LINCOLN MT 59639 LINCOLN COUNTY 301 N JEFFERS # 102 NORTH PLATTE NE 691013997 LINCOLN COUNTY REG OF DEED 300 N DEWEY NORTH PLATTE NE 69101 LINCOLN COUNTY REGISTER OF DEEDS 100 E FIFTH CANTON SD 57013 LINCOLN COUNTY REGISTER OF DEEDS ROOM 103 301 N JEFFERS NORTH PLATTE NE 69110-3931 LINCOLN COUNTY TREASURER 301 N JEFFERS No 102 NORTH PLATTE NE 69101-3997 LINCOLN ELECTRIC SUPPLY 1800 ADAMS LINCOLN NE 68501 LINCOLN ELECTRIC SYSTEM PO Box 80869 LINCOLN NE 68501 LINCOLN HIGH SCHOOL PO Box 39 LINCOLN MT 59639 LINCOLN RODEO CLUB PO Box 871 LINCOLN MT 59639 LINCOLN TELEPHONE COMPANY INC HRC50 BOX 1 LINCOLN MT 59639 LINCOLN TELEPHONE COMPANYINC HCR 30 BOX 1 LINCOLN MT 59639-9701 LINCOLN TELEPHONE COMPANYINC HCR30 BOX 1 LINCOLN MT 59639-9701 Linda Jefferson Helena 408 N Thurman East Helena MT 59635 Linda Jefferson -Helena 408 N Thurman East Helena MT 59635 LINDA KOCH 1202 ALKALI CREEK RD BILLINGS MT 59105 Linda Lindeman 1305 24 Ave SW Great Falls MT 59404 Linda Lindeman Richard Martin Linnell Newhall Martin & Schulke PC P O Box 2629 Great Falls MT 59403 Linda Lindeman Linda Lindeman 1305 24 Ave SW Great Falls MT 59404 LINDA MARCUS 1835 DAKOTA AVE S HURON SD 57350 Linda Rafferty 29615 Fairway Bluff Fair Oaks Ranch TX 78015 Linda Rafferty Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Linda Rafferty Linda Rafferty 29615 Fairway Bluff Fair Oaks Ranch TX 78015 Linda Wasley & J&C Body Shop 2410 Blacktail Loop Butte MT 59701 LINDQUIST & VENNUM LLP 4200 IDS CENTER 80 South Eighth St Minneapolis MN 55402-2274 Lindsay Drilling and Contracting In PO Box 67 Clancy MT 59634 LINDSAY DRILLING INC PO Box 67 CLANCY MT 59634 LINDSLEY WELDING & REPAIR PO Box 617 HARLOWTON MT 59036 LINE X OF MISSOULA 2825 STOCKYARD RD UNIT F1 MISSOULA MT 59802 LINES OF COMMUNICATION 2824 S 148TH AVE CIRCLE OMAHA NE 68144 LINESOFT CORPORATION 12310 E MIRABEAU PARKWAY SPOKANE WA 99216 LineSoft Corporation Attn Chief Financial Officer 12310 E Mirabeau Parkway Spokane WA 99216 LINWELD 4900 N 4 AVE SIOUX FALLS SD 57104 LINWELD PO Box 29349 LINCOLN NE 68529 LINWELD WELDING & SUPPLY PO Box 5583 GRAND ISLAND NE 68802 LINWELD WELDING & SUPPLY CO PO Box 975 KEARNEY NE 68848 LIONEL NOWELL III 700 ANDERSON HILL Rd PURCHASE NY 10577-1444 LIONS CLUB (DISTRICT 38) PO Box 1422 KEARNEY NE 68848 LIONS CLUB BROOKINGS 368 22ND AVE BROOKINGS SD 57006 LIONS CLUB OF ABERDEEN PO Box 812 ABERDEEN SD 57402-0812 LIONS CLUB OF SIOUX FALLS 2708 S AVONDALE CT SIOUX FALLS SD 57110-5618 Lisa A Miller VP Wells Fargo Bank MN NA 608 2nd Ave S MAC N9303 120 Minneapolis MN 55479 Lisa Cowan 41 Eastern Parkway Apt 9D Brooklyn NY 11238-5900 Lisa Cowan The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LISACS TIRES INC PO Box 3447 BUTTE MT 59701 LITCHFIELD CONSULTING GRP INC 101 S W MAIN ST PORTLAND OR 97204

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 82 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country LITHONIA LIGHTING 93170 NE HWY 99 Ste O VANCOUVER WA 98665 LITTL JOHNS SEPTIC SERVICE 4525 GLASS Dr HELENA MT 59601 LITTLE BIG MEN PIZZA PO Box 46 LEWISTOWN MT 59457 LITTLE GUY FOOTBALL PO Box 20576 BILLINGS MT 59102 LITTLE RED SCHOOL HOUSE 1635 SIERRA Rd E HELENA MT 59602

LIVINGSTON AREA CHAMBER OF COMMERCE 303 E PARK LIVINGSTON MT 59047 LIVINGSTON BASEBALL ASSOC ATTN: WENDY OLSON LIVINGSTON MT 59047 LIVINGSTON BASEBALL ASSOCIATION 1106 W PARK No119 LIVINGSTON MT 59047 LIVINGSTON BRAVES BASEBALL PO Box 1801 LIVINGSTON MT 59047 LIVINGSTON ENTERPRISE 401 S MAIN St LIVINGSTON MT 59047-2000 LIVINGSTON MEMORIAL HOSPITAL 504 S 13TH St LIVINGSTON MT 59047 LIVINGSTON SISTER CITY CULTURAL & PO Box 1415 LIVINGSTON MT 59047-1415 LIVINGSTON WELDING 1318 E PARK LIVINGSTON MT 59047 LJMH FOUNDATION 600 BILLARS SCOTLAND SD 57059 LLOYD A TWITE CONSTRUCTION 3000 ELDORA LANE MISSOULA MT 59803 LOCAL 44 IBEW Attn Stan Dupree PO BOX 3467 BUTTE MT 59702-3467 LOCAL LUMBER & SUPPLY INC PO Box 38 WOONSOCKET SD 57385 LOCAL UNION NO 44 OF THE INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS AFLCIO ATTN STAN DUPREE BUSINESS MANAGER FINANCIAL SECRETARY PO BOX 3467 BUTTE MT 59702-3467 LOCATORS & SUPPLIES INC 215 W LINCOLN AVE FERGUS FALLS MN 56537 LOCKETTS BAKERY 2000 FARRAGUT Ave BUTTE MT 59701 LOCKTON COMPANIES PO Box 802707 KANSAS CITY MO 64180-2707 Lockton Insurance Agency 444 W 47th St Ste 900 Kansas City MO 64112 1906 LOCKWOOD WATER & SEWER DIST 1644 OLD HARDIN Rd BILLINGS MT 59101 LODESTONE ADVERTISING FOR GREAT 1325 8TH Ave N Ste 203 GREAT FALLS MT 59401 Loel Lust Chevrolet Attn Leo Heupel 1314 SW 6th Ave Aberdeen SD 57401 Loel Lust Chevrolet Box 37 Aberdeen SD 57402-0037 LOGIC BEACH INCORPORATED 83636F CENTER Dr LA MESA CA 91942 LOGICA INC PO Box 350019 BOSTON MA 02241 LOGICUBE INC 9400 LURLINE AVE CHATSWORTH CA 91311 LOGISTICS SUPPLY CORPORATION 9700 RESEARCH Dr CHARLOTTE NC 28262 LOIS BEYER 2113 9TH HELENA MT 59601 Lombardi & Johnson Roofing Inc PO Box 8916 Missoula MT 59807 Lon Dale & Chris Ragar c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 LONE PEAK LOOKOUT PO Box 160123 BIG SKY MT 59716 LONE PINE SADDLERY PO Box 576 BIG TIMBER MT 59011

LONESOME DOVE CONCRETE PUMPING LLC 216 LAKE Dr BOZEMAN MT 59718 Longacre Master Fund Ltd Vladimir Jelisavcic 810 Seventh Ave 22nd Floor New York NY 10019 LONGS PROPANE INC 2910 E HWY 50 YANKTON SD 57078 Lonnie or Pat Weidenbach 817 North Duff Street Mitchell SD 57301 Lonnie or Pat Weidenbach The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LORD & JACKSON LOCKSMITH 3553 NORMAN DR MISSOULA MT 59804-3001 LOREN J & PENNE S BETO 5670 RAINBOW Dr HELENA MT 59602 LORI EARL PO Box 5 MT VERNON SD 57363 LORI M GOOD PO Box 1978 COLSTRIP MT 59323 LORI ZIMBELMAN 508 N LINCOLN ST ABERDEEN SD 57401-2832 LOUDERMILK CHARLES 836 8TH ST HAVRE MT 595019803 LOUIES SHOP 10 ALPINE AVE CUT BANK MT 59427 Louis A Zanella 30 Wisconsin Ave Gile WI 54525 Louis A Zanella The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LOUIS DREYFUS ELECTRIC POWER INC Attn Steven J Lewis 4110 N SCOTTSDALE RD Ste 250 SCOTTSDALE AZ 85251-3919 LOUIS SCHNIEDER No1 602 N FRONT ST TOWNSEND MT 59644 LOUIS SUTA PO Box 269 SUNBURST MT 59482 LOUISE KACK PO Box 55 APPLETON MN 56208 LOUISE KANKELBORG 1121 HOBSON Ave BUTTE MT 59701 LOUISIANA DEPARTMENT OF REVENUE PO Box 91011 BATON ROUGE LA 70821-9011 LOUISIANA DEPT OF REVENUE & TAXATIO PO Box 91011 BATON ROUGE LA 70821-9011 LOUISIANA PACIFIC CORP PO BOX 30107 CONROE TX 77305 LOUISIANA PACIFIC CORPORATION PO Box 14165 SCOTTSDALE AZ 85257 Louisiana Pacific Corporation Regional Supply Manager 100 Interstate Highway 45 N PO Box 3107 Conroe TX 77305 LOUISIANA SECRETARY OF STATE PO Box 94125 BATON ROUGE LA 70804-9125 LouisianaPacific Corporation 100 Interstate Hwy 45 N PO Box 3107 Conroe TX 77305 LOVELESS DAY LLC 320 E 6TH AVE HELENA MT 59601 LOWE & ASSOCIATES 1722 LAMPMAN Dr BILLINGS MT 59101 LOWE INVESTMENTS 2001 CENTRAL AVE KEARNEY NE 68847 LOWELL AND SHERRY SMITH 183 MIDDLE BURNT FORK ROAD STEVENSVILLE MT 59870 LOWELL LIONEL L 700 ANDERSON HILL Rd PURCHASE NY 10577-1444 LOWELL SMITH AND SHERRY SMITH 183 MIDDLE BURNT FORK Rd STEVENSVILLE MT 59870 Lowenstein Sandler PC George E Patterson Jr 65 Livingston Ave Roseland NJ 07068 LOYAL ORDER OF MOOSE PO Box 153 YANKTON SD 57078 LPL Financial Services c o ADP LRP PUBLICATIONS PO Box 24668 WEST PALM BEACH FL 33416-4668 LS READY MIX CONCRETE INC 2500 MT HIGHWAY 91 N DILLON MT 59725-9586 LSI TELESYSTEMS PO Box 25 TEASDALE UT 84773 LTD COMMODITIES INC 2800 LAKESIDE DR BANNOCKBURN IL 60015 LTH FARMS ROUTE 3 BOX 34 CONRAD MT 59425 LUANN GEIMAN PO Box 228 SCOTLAND SD 57059 LUCAS KEN MODERN WOODMEN OF AMERICA PO BOX 694 PLATTE SD 57369 LUCE PRESS CLIPPINGS INC PO Box 379 TOPEKA KS 66601-0379

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 83 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country LUCELLE SHULTS 1905 S Century Ln Spokane Valley WA 99037 LUCENT TECHNOLOGIES 10000 TWIN LAKES PARKWAY CHARLOTTE NC 28269 LUCILLE CARNEY 502 NE 3RD St HAMILTON MT 59840 LUCILLE MURPHY 301 MAIN ST WOONSOCKET SD 57385 LUCKS MUSIC LIBRARY PO Box 71397 MADISON HEIGHTS MI 48071 LUDLOW ADVERTISING INC PO Box 1450 MINNEAPOLIS MN 55402 LUDWIG CONCRETE CONSTRUCTION 250 W 1ST ST S BROOKINGS SD 57006 LUIKENS DALE A 551 PARK St MENNO SD 57045 LUIKENS REPAIR PO Box 116 MENNO SD 57045 LUKE CONSTRUCTION PO Box 169 KIMBALL SD 57355 LUMBERMENS PO Box 45506 OMAHA NE 68137-1129 LUNCEFORD ELECTRIC PO Box 897 DEER LODGE MT 59722 LUNDBERG ELECTRIC & PLUMBING 410 3RD AVE S CLEAR LAKE SD 57226-0140 LUNDBERG RANCH CORPORATION PO BOX 970 MANHATTAN MT 59741-0970 LUST CHEVROLET BUICK MAZDA PO Box 37 ABERDEEN SD 57402-0037 LUTHERN SOCIAL SERVICE 705 E 41ST ST STE 200 SIOUX FALLS SD 57105-6048 LUZENAC AMERICA 345 Inverness Dr S Ste 310 Centennial CO 80112 Luzenac America Inc 345 Inverness Dr S Ste 310 Centennial CO 80112 Lyle E McMichae 145 Columbia Ave Apt 238 Holland MI 49423 Lyle S Wessale 633 42nd St NE Cedar Rapids IA 52402 Lyle S Wessale The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LYLE SIGN CO 500 SE 5TH DESMET SD LYLE SIGN CO 500 SE 5TH St DESMET SD 57231 LYLE SIGNS INC 200 INDUSTRIAL PARK DESMET SD 57231 LYLE SIGNS INC PO Box 1450 MINNEAPOLIS MN 55485-7165 LYLE SIGNS INC PO Box 90 DESMET SD 57231 LYLE STEVENSON 500 W 12TH MITCHELL SD 57301

Lynch Flying Service Inc dba Edwards Jet Center 1691 Aviation Place Billings MT 59105 Lynn Darling & Bob Kaiser Co TTEE 710 Broadway Apt 6 New York NY 10003-9509 Lynn Darling & Bob Kaiser Co TTEE The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Lynn Darling Beneficiary IRA 710 Broadway Apt 6 New York NY 10003-9527 Lynn Darling Beneficiary IRA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 LYNN GUAY 429 S SANDERS HELENA MT 59601 LYNN KINDRED PO Box 153 SAND COULEE MT 59472 LYNNJACKSONSHULTZ & LEBRUN PC PO Box 1920 SIOUX FALLS SD 57101-3020 LYNNS DAKOTAMART 120 W SIOUX AVEE PIERRE SD 57501 LYNUXWORKS 855 BRANHAM LANE E SAN JOSE CA 95138-1018 Lynuxworks Attn Sales Admin 5050 Quorum Dr 700 Dallas TX 75240 LYNUXWORKS INC 855 BRANHAM LANE E SAN JOSE CA 95138 Lyons Excavation 268 Painted Hills Road Bozeman MT 59718 LYONS STEVE 2604 E CARSON Rd PHOENIX AZ 85042 M & A TAX REPORT PO Box 3000 DENVILLE NJ 07834-3000 M & C SMALL ENGINE REPAIR 525 MAIN ST WEBSTER SD 57274-1718 M & D CONSTRUCTION PO Box 2728 GREAT FALLS MT 59403 M & G MANOR* PO Box 913 PARKSTON SD 57366 M & L SUPPLY CO INC 131 S WYOMING BUTTE MT 59702-3065 M & L SUPPLY CO INC 131 SOUTH WYOMING PO Box 3065 BUTTE MT 59702-3065 M & S BUSINESS CLEANING PO Box 8095 BROOKINGS SD 57006 M & T FIRE & SAFETY 712 KASAN AVE VOLGA SD 57071 M A DEATLEY CONSTRUCTION INC PO Box 490 CLARKSTON WA 99403 M DUCOMMUN COMPANY INC 58 MAIN St WARWICK NY 10990 M E BARBER COMPANY INC 1660 TAYLORVILLE RD DECATUR IL 62521 M G ELECTRIC 32 RANICK Rd HAUPPAUGE NY 11788 M JORDAN BONFIELD PO Box 294 AUGUSTA MT 59410 M LEE SMITH PUBLISHERS LLC 5201 VIRGINIA WAY BRENTWOOD TN 37024-5094 M LEE SMITH PUBLISHERS LLC PO Box 5094 BRENTWOOD TN 37024-5094 M R SIGN CO INC 1706 1ST Ave N FERGUS FALLS MN 56537 M S D COMPUTER SUPPLY 5 W LYNDALE Ave HELENA MT 59601-2917 M T DEASON COMPANY INC PO Box 101807 BIRMINGHAM AL 35210 M W BEVINS CO 9903 E 54TH St TULSA OK 74146-1273 M WAYNE BLAIR 702 FIFTH AVE SEATTLE WA 98104-9534 M&M CONTRACTING 1921 WENTWORTH DR BILLINGS MT 59105 M&S BUSINESS CLEANING PO Box 8095 BROOKINGS SD 57006 MA/C INC PO Box 1133 AVINGER TX 75630 MAATC FOUNDATION 804 N MENTZER MITCHELL SD 57301-2198 MAC ARTHUR CO PO Box 9258 ST PAUL MN 55170-9258 MAC TOOLS INC 1202 SHIRLEY RD HELENA MT 59602 MACALESTER COLLEGE FOUNDATION 1600 GRAND Ave ST PAUL MN 55105 MACDOCTORS 1001 W RUSSELL ST SIOUX FALLS SD 57104 MACHINERY POWER & EQUIPMENT 3186 HIGHWAY 12 E HELENA MT 59601 MACHINERY POWER & EQUIPMENT PO Box 30158 BILLINGS MT 59107 MACHINISTS NON PARTISAN P LGE 9000 MACHINISTS PL UPPER MARLBORO MD 20772-2687 MACLEAN POWER SYSTEMS 3268 WINPARK Dr MINNEAPOLIS MN 55427 MACLEAN POWER SYSTEMS PO Box 91911 CHICAGO IL 60693 MACPA PO Box 5068 TROY MI 48007-5086 MACS ELECTRIC 323 N KLINE ST ABERDEEN SD 57402-0618 MACS GLASS 102 E GRANITE BUTTE MT 59701 MACS INC PO Box 1118 MOORHEAD MN 56560 MACUM ENERGY INC 730 MAIN St Ste 103 BILLINGS MT 59105 MADDOX ROOFING PO Box 6867 GREAT FALLS MT 59406 Maddox Roofing & Construction Inc PO Box 6867 Great Falls MT 59406

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 84 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MADISON AREA CHAMBER OF COMMERCE PO Box 467 MADISON SD 57042-0467 MADISON CENTRAL SCHOOL DISTRICT 800 NE 9TH MADISON SD 57042 MADISON COMMUNITY HOSPITAL 917 N WASHINGTON Ave MADISON SD 57042 MADISON COUNTRY CLUB PO Box 254 MADISON SD 57042-0254 MADISON COUNTY CLK & RECORDER PO Box 366 VIRGINIA CITY MT 59755 MADISON COUNTY FAIR PO Box 414 TWIN BRIDGES MT 59754 MADISON COUNTY TREASURER COURTHOUSE VIRGINIA CITY MT 59755 MADISON COUNTYTREASURER COURTHOUSE VIRGINIA CITY MT 59755 MADISON DAILY LEADER PO Box 348 MADISON SD 57042-0348 MADISON FARMER ELEVATOR RR MADISON SD 57042 MADISON FARMERS ELEVATOR CO Box F MADISON SD 57042 MADISON FIREWORKS FUND PO Box 467 MADISON SD 57042-0467 MADISON GIRLS SOFTBALL 1420 NE 4TH MADISON SD 57042 MADISON INSTANT PRINTING 118 E CENTER MADISON SD 57042 MADISON JAYCEES PO Box 197 MADISON SD 57042 MADISON LIONS 227 N Highway 16 Apt 15 Denver NC 28037-8098 MADISON MIDDLE SCHOOL LAKE CENTRAL SCHOOL DIST 392 800 NE 9TH ST MADISON SD 57042 MADISON NURSERY AND LANDSCAPE INC 45493 234TH STE MADISON SD 57042

MADISON VALLEY CULTURAL CORPORATION PO Box 1266 ENNIS MT 59729-1266 MADISON VALLEY HOSPITAL PO Box 397 ENNIS MT 59729-0397 Madsen Door Service Inc dba Overhead Door Company of So Montana PO Box 30675 Billings MT 59107 MADSEN PLUMBING & HEATING LLC No2 MADSEN Rd TOWNSEND MT 59644 MAGAZINE SUBSCRIPTION SERVICES INC 42 READS WAY NEW CASTLE DE 19720-1649 MAGIC CITY CLEANING 514 W MORASE ST LEWISTOWN MT 59457-3454 Magic City Cleaning Service 514 W Morase St Lewistown MT 59457 MAGIC CITY SOCCER CLUB INC PO Box 22522 BILLINGS MT 59104 Magten Asset Management Corp Attn Talton Embry 410 Park Avenue New York NY 10022 Fried Frank Harris Shriver & Jacobson Magten Asset Management Corp LLP Attn Brad Eric Scheler Esq One New York Plaza New York NY 10004 MAHUGH FIRE & SAFETY LLC PO Box 5013 KALISPELL MT 59903 MAHURIN DRILLING & EXCAVATING 1606 GOLD Ave BOZEMAN MT 59715 MAI WAH SOCIETY PO Box 404 BUTTE MT 59703-0404 MAIL WELL ENVELOPE COMPANY 6520 S 190TH St Ste 100 KENT WA 98032-2169 MAIN STREET SIOUX FALLS INC 122 S Phillips Ave Ste 100 SIOUX FALLS SD 57104-6708 MAINSTREET UPTOWN BUTTE INC PO Box 696 BUTTE MT 59703-0696 MALL SERVICES PO Box 3674 BUTTE MT 59702-3674 Mallard Cablevision LLC 101 S Washington El Campo TX 77437 MALONEY PAULETTE 500 S EMMETT AVE BUTTE MT 597012204 MALTA CHAMBER OF COMMERCE & AGRICULTURE MALTA MT 59538-1059 MALTA COMMUNITY CHURCH PO Box 677 MALTA MT 59538 MALTA FOOD BANK PO Box 925 MALTA MT 59538 Malta High Schoo PO Box 670 Malta MT 59538 MALTA JR HIGH SCHOOL PO Box 670 MALTA MT 59538 MALTA SENIOR CLASS GRADUATION PO Box 191 HAVRE MT 59501 MALTA VOLUNTEER FIRE DEPT PO Box 956 MALTA MT 59538 MANAGEMENT RECRUITERS 116 W 69TH ST STE 200 SIOUX FALLS SD 57108 Manager Operations and Engineering 3900 421 7th Ave SW Calgary AB T2P 4K9 Canada Mandrup Hunstad TS Trust UA DTD 52001 Ethel I & Arne Hunstad Ttee 1523 Squire Lane Aberdeen SD 57401-7656 Mandrup Hunstad TS Trust UA DTD 52001 Ethel I & Arne Hunstad Ttee The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MANHATTAN CHURCHILL TIMES PO Box 529 MANHATTAN MT 59741 MANHATTAN HIGH SCHOOL PO Box 425 MANHATTAN MT 59741 MANHATTAN LIFE INSURANCE CO 100 PARK PLACE STE 220 SAN RAMON CA 94583 MANHATTAN NATIONAL LIFE 100 PARK PLACE Ste 220 SAN RAMON CA 94583 MANION MICHAEL 3020 NETTIE ST BUTTE MT 597016528 MANITOBA HYDRO 820 TAYLOR AVE WINNIPEG MB R3C 2P4 Canada MANITOBA HYDRO 820 TAYLOR AVE PO Box 815 WINNIPEG MB R3C 2P4 MANOLIS GROCERY 47 3RD ST SW HURON SD 57350 Manor Care Inc 410 NW 8th Ave Aberdeen SD 57401 MANOR MOTEL E HWY 12 MILBANK SD MANOR MOTEL PO Box 26 MILBANK SD 57252 MANPOWER PO Box 68 6003 MILWAUKEE WI 53267-6003 MANPOWER PO Box 686003 MILWAUKEE WI 53267-6003 Manpower International Inc 5301 N Ironwood Road PO Box 2053 Milwaukee WI 53201 MANSON KRISTEN 15 BURNING TREE Ln BUTTE MT 59701 MANTA TEST SYSTEMS 4060B SLADEVIEW CRESCENT UNIT No1 MISSISSUAGA ON L5L 5Y5 Canada MANTA TEST SYSTEMS 2250 MILITARY Rd TONAWANDA NY 14150 MANUFACTURERS LIFE INS CO 100 PARK PLACE STE 220 SAN RAMON CA 94583 MANUFACTURERS NEWS INC 1633 CENTRAL ST EVANSTON IL 60201-1569 MANUFACTURING CO INC 1301 S STATE HIGHWAY 37 PARKSTON SD 57366 MANULIFE FINANCIAL 100 PARK PLACE STE 220 SAN RAMON CA 94583 MAPPCOR PO Box 1450 MINNEAPOLIS MN 55485-7448 MARANATHA BAPTIST CHURCH 2526 LAKE HELENA Dr EAST HELENA MT 59635 MARATHON MACHINE WORKS 1860 ELIZABETH WARREN AVE BUTTE MT 59702 March Engineering Inc 9220 E Hodgeman Canyon Dr Bozeman MT 59715-8520 MARCH ENGINEERING INC 9220 HODGEMAN CANYON Dr BOZEMAN MT 59718 MARCH OF DIMES 1320 S MINNESOTA AVE No 201 SIOUX FALLS SD 57105 MARCH OF DIMES 643 GRAND Ave Ste B BILLINGS MT 59101 MARCH OF DIMES BILLINGS PO Box 30058 BILLINGS MT 59115

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 85 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MARCI ALBRECHT MARION INTERIOR DESIGN PO BOX178 MARION SD 57043 MARCIA M ANDERSON 8505 92ND St SW TACOMA WA 98498 MARCO BUSINESS PRODUCTS PO Box 1450 MINNEAPOLIS MN 55485-7128 Marevonne A Quinn 1507 Hollins Ave Helena MT 59601-1707 Margaret Holt 245 5th Avenue Suite 1802 New York NY 10016-8728 Margaret Holt The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MARGARET MAIER 719 STRAND AVE MISSOULA MT 59801-5710 Margaret McGreevey JoAnne Barkell and Joseph Martelli on behalf of themselves and the class defined in Exhibit "A" Edward Murphy Datsooulos MacDonald & Lind 201 West Main Ste 201 Missoula MT 59802 MARGARET RAMSEY 2351 SOLOMON AVE APT 132 BILLINGS MT 59102-7909 MARGARET REYNOLDS PO Box 675 LONGMONT CO 80501 MARGARET SINE 130 DEARBORN AVE MISSOULA MT 59801 MARGARET SMITHERMAN PO Box 345 SANTA RITA MT 59473 MARGARET WALTNER 126 S PLUM No 102 VERMILLION SD 57069 MARGARET WALTNER PO BOX 396 SCOTLAND SD MARGARET WALTNER* 126 S PLUM No 102 VERMILLION SD 57069 Margery Jane Bonia 300 East 51st Street New York NY 10022-7806 Margery Jane Bonia The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Marguerite C Endrich 846 MIDDLESEX TPKE OLD SAYBROOK CT 06472 MARIAN F DAVIDSON 7440 W 89TH St LOS ANGELES CA 90045 MARIANNE STENVIG 102 S MAIN ST ABERDEEN SD 57401 Marias Health Care PO Box 990 Shelby MT 59474 MARIAS HEALTHCARE PO Box 990 SHELBY MT 59474 MARIAS MEDICAL CENTER PO Box 915 SHELBY MT 59474 MARIAS RIVER ELECTRIC COOPERATIVE PO Box 729 SHELBY MT 59474-0729 MARIAS RIVER GAS COMPANY PO BOX 7033 BILLINGS MT 59103 MARIE MILLER 147 SUNRIDGE Dr ALEXANDRIA LA 71302-2116 MARILYN LARSON 352 HIGH LAKE ANDES SD 57356 MARILYN R SEYMANN 929 E GEMINI TEMPE AZ 85283 Marilyn Roemisch 345 PROSPECT AVE APT 4L HACKENSACK NJ 07601 Marilyn Roemisch The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Marilyn Seymann Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 San Francisco CA 94111-2562 Marilyn Seymann Latham & Watkins LLP Attn Paul H Dawes Esq 135 Commonwealth Dr Menlo Park CA 94025 Marilyn Seymann Latham & Watkins LLP Attn Paul H Dawes Esq 135 Commonwealth Dr Menlo Park CA 94025 Marilyn Seymann Latham & Watkins LLP Steven Sorell 633 W Fifth St Ste 4000 Los Angeles CA 90071 MARINA CAY RESORT PO Box 663 BIG FORK MT 59911 MARINE CORPS TOYS FOR TOTS 610 W CALIFORNIA ST KALISPELL MT 59901 MARION AREA JAYCEES PO Box 165 MARION SD 57043 MARION IND SCHOOL PO BOX 207 MARION SD 57043-0207 MARION LUMBER COMPANY PO Box 177 MARION SD 57043 MARION MACHINE & MFG 505 N Broadway AVE MARION SD 57043 MARION RURAL FIRE DEPT 44350 273RD ST MARION SD 57043 Marion Wild Slovak and Jeffrey T Wild Roman G Marion Wild Slovak Wild Trust 704 West St Beaver Dam WI 53916 Marion Wild Slovak Jeffrey T Wild 704 West St Beaver Dam WI 53916 Marion Wild Slovak Roman G Wild 704 West St Beaver Dam WI 53916 MARIYA ZAICHOSOV 1345 E 7TH ST APT 109 WHITEFISH MT 59937 MARJORIE A SMITH 1617 SW Jordan St GRANTS PASS OR 97526-2572 Marjorie Angerson 1199 Park Avenue New York NY 10128-1711 Marjorie Angerson The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MARJORIE CANNON 3750 WYNNE BUTTE MT 59701 MARJORIE GERMAN 1926 ARGYLE ST BUTTE MT 59701-5506 MARJORIE HOEHN 403 SHERIDAN AVE BOZEMAN MT 59715 MARJORIE MATHISON 620 16TH Rd NE DUTTON MT 59433 MARJORIE WENTZ PO Box 593 ARMOUR SD 57313 Mark D Rosheim 602 S LYNDALE AVE SIOUX FALLS SD 57104 Mark E Burke 1701 Marquette Ct Lake Forest IL 60045 Mark E Burke The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MARK ELECTRIC INC PO Box 1161 HAVRE MT 59501 MARK KAUFFMAN 612 EAST 4TH Ave MITCHELL SD 57301 MARK LEICHTNAM PO Box 527 PRESHO SD 57568 MARK MILBRANDT PO Box 369 ABERDEEN SD 57402-0369 MARK PANOWICZ 1206 E 33RD Dr KEARNERY NE 68847-3866 MARK R BAILEY CREATIVE 838 Sunstone Street Westlake Village CA 91362-3259 MARK ROBISH 1127 LAWNRIDGE AVE SE HURON SD 57350 MARK TREVENNA 6266 W PRENTICE AVE LITTLETON CO 80123 MARK W OSWALD 6730 EVERETT ST LINCOLN NE 68506 Mark Wending 100 W Main Ave Bryant SD MARKEDON ENERGY LTD 200 1111 11TH AVE SW CALGARY AB T2R 0G5 Canada MARKEDON ENERGY LTD 2001111 111TH AVE SW CALGARY AB T2R 0G5 Canada MARKETING METRICS 305 ROUTE SEVENTEEN PARAMUS NJ 07652 MARKETING SPECIALTIES INC 719 4TH Ave N BILLINGS MT 59103-0141 MARKO STEEL SERVICE CENTRE 990 DAKOTA N HURON SD 57350 Markovich Construction 2827 Lexington Butte MT 59701 MARKS MACHINERY RR4 YANKTON SD 57078 MARKS SMALL ENGINE 410 W 8TH AVE WEBSTER SD 57274 MARLATT MACHINE SHOP 19 W 19TH ST KEARNEY NE 68847 MARLIN POWELL PO Box 123 CORVALLIS MT 59828 MARLYN CONRAD CONSTRUCTION INC 25414 483rd Ave GARRETSON SD 57030-6016 MARMON/KEYSTONE CORPORATION PO Box 96657 CHICAGO IL 60693-6657 MARQUETTE BANK 333 DAKOTA AVE S HURON SD 57350-0848

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 86 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MARQUETTE BANK PO BOX 848 HURON SD 57350-0848 MARRIOTT HOTELS 8440 FREEPORT PARKWAY IRVING TX 75063 MARSH 11 VICTORIA ST HM HX Marsh USA Inc 111 SW 5TH AVE STE 2700 PORTLAND OR 97204-3630 Marsh USA Inc 333 S 7th St Minneapolis MN 55402 Marsh USA Inc Attln Marcy Korbel 333 S 7th St Ste 1600 Minneapolis MN 55402 Marsh USA Inc NW1810 MINNEAPOLIS MN 55485 MARSH USA INC U S BANK TOWER BLDG PORTLAND OR 97204-3630 MARSHALL AND SWIFT PO Box 26307 LOS ANGELES CA 90026-0307 MARSHALL COUNTY TREASURER PO Box 130 BRITTON SD 57430 Martha Ellen Cummings Zeh 3607 W Lawrence Ln Phoenix AZ 85051-3732 MARTIN LAKE & ASSOCIATES INC 2435 Mullan Rd Missoula MT 59808-1827 MARTIN OIL PO Box 1 BROOKINGS SD 57006 MARTIN PROPERTIES PO Box 896 YANKTON SD 57078 MARTINS INC PO Box 1 BROOKINGS SD 57006 MARTINSDALE COLONY INC PO Box 152 MARTINSDALE MT 59053 MARTINSEN SURVEYS PO Box 2542 MISSOULA MT 59806 Marty Indian Schoo L B Dillon Box A Marty SD 57361 MARTY STANEK PO Box 991 COLUMBUS MT 59019 Marty Struznik 226 E Broadway Butte MT 59701 MARTZ DISPOSAL 119092 JUNIPER LANE SILVER BOW MT 59750 MARTZ DISPOSAL 119092 JUNIPER Ln SILVER BOW MT 59750 Marvin Krone c o Chris Ragar 1700 W Koch Ste 3 Bozeman MT 59715 MARVS APPLIANCE 75 MARKET RD E HURON SD 57350 MARY BETTEN* 222 E 2ND ST REDFIELD SD 57469 Mary E Schneider 64 Clarence Ave SE Minneapolis MN 55414 MARY ESSMAN 1170 AMENDMENT CIRCLE BILLINGS MT 59105 MARY GREGG 823 1ST ST W ROUNDUP MT 59072 Mary Jane Frenzel and Nany Bloeckne 170 Emerson Ave East 306 West St Paul MN 55118 Mary Jepsen 615 S Isadore St Mitchell SD 57301 Mary Joan Johnson 1300 N Harrison Ave Apt 202 Pierre SD 57501 Mary Joan Johnson 1300 N Harrison Ave Apt 302 Ure OK 57501 Mary Kurtz APTDO 1157 San Miguel De Allende GTO 37701 Mexico Mary Kurtz The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MARY LOU MILLER & MICHAEL J SAN SO 2135 CHARLOTTE St Ste 1A BOZEMAN MT 59718-2741 MARY LOUISE STEINER 617 HOBART Ave SAN MATEO CA 94402 MARY PAT BIERLE 700 VALLEY Rd YANKTON SD 57078 Mary S Jepsen 615 S ISADORE ST MITCHELL SD 57301 Mary Sheila Lewit TTEE Mary Sheila Lewit Living Trus U A DTD July 19 1996 PO Box 23 Techny IL 60082-0023 MARYANNA ESPELAND PO Box 721 ABSOROKEE MT 59001 Marybeth A Lewicki c/o The Bank of New York CoTrustee of MT Mortgage Bonds 101 Barclay St New York NY 10286 MASMUTUAL ASSIGNMENT COMPANY 9140 ARROWPOINT BLVD CHARLOTTE NC 28273 MASONIC TEMPLE ASSOCIATION 314 W PARK ST BUTTE MT 59701 MASSACHUSETTS DEPT OF REVENUE PO Box 7025 BOSTON MA 02204 MASTODON SAND & GRAVEL 471 LAKE HILL Rd DEER LODGE MT 59722 MATERIALS TESTING & INSPECTION 7446 W LEMHI BOISE ID 83709 MATHISON COMPANY PO Box 333 FARGO ND 58107 MATRIARCH CONSTRUCTION PO Box 472 LAUREL MT 59044 MATTEUCCI LAW FIRM PLLC 10 N 27TH ST Ste 315 BILLINGS MT 59103-1480 Matthew Cowan c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Matthew J Troy Civil Division U S Department of Justice P O Box 875 Washington DC 20044-0875 MATTINGLY TESTING SERVICES INC PO Box 30316 BILLINGS MT 59107-0316 MATTINGLY TESTING SERVICES INC PO Box 30316 BILLINGS MT 59107 Mattingly Testing Services Inc PO Box 3126 Great Falls MT 59403-3126 MATTS SAW SHOP 106 W MADISON BELGRADE MT 59714 Mattson, et al c o Christian Samson & Jones PC PO Box 8479 Missoula MT 59807 MAUELL CORPORATION 31 OLD CABIN HOLLOW Rd DILLSBURG PA 17019 MAURICE H WORSFOLD 3529 HIGH COUNTRYSIDE DR GRAPEVINE TX 76051 MAURICE HARSHMAN HARSHMAN ELECTRIC CHINOOK MT 59523 Maurice Harshman dba Harshman Electric PO Box 1293 Chinook MT 59523 MAXIM TECHNOLOGIES INC FILE NO 5659434 LOS ANGELES CA 90074-6594 MAXIM TECHNOLOGIES INC PO Box 30615 BILLINGS MT 59107-0615 Maxim Technologies Inc PO Box 4669 Helena MT 59604 MAXIMUM PROMOTIONS 1108 W 12TH ST SIOUX FALLS SD 57104 Maxine C Johnson 200 Hanging Rock Dr Big Fork MT 59911 MAXINE C JOHNSON c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellott, LLC 4 East 8th Street, Suite 200 Wilmington DE 19801 MAXINE C JOHNSON c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th Street Suite 200 Wilmington DE 19801 MAXINE C JOHNSON Maxine C Johnson 200 Hanging Rock Dr Big Fork MT 59911 Maxine R Sargent 1014 S Harrison St Moscow ID 83843 MAXS TREE STUMP SERVICE RR1 BOX 714 BANCROFT SD 57353 MAXWELL RR2 SCOTLAND SD MAXWELL HOTEL SUPPLY CO 319 N MAIN SIOUX FALLS SD 57102 MAXWELL HUTTERIAN BRETHREN 42805 MAXWELL Rd SCOTLAND SD 57059 MAXWELL PHILIP 705 PENNSYLVANIA AVE DEER LODGE MT 597221633 MAXWELL VERN 32 DOE PL SEQUIM WA 98382 MAY CONSTRUCTION 47654 253A ST EGAN SD 57024 MAYADAMGERDES & THOMPSON LLP 503 S PIERRE ST PIERRE SD 57501-0160 MAYADAMGERDES & THOMPSON LLP 503 S PIERRE ST PO Box 160 PIERRE SD 57501-0160 Maydell D Billeaud 1327 W St Mary Blvd Lafayette LA 70506 MAYNARD J KONECHNE PO Box 326 KIMBALL SD 57355 MAYSTEEL PO Box 78128 MILWAUKEE WI 53278-0128 MBIA Insurance Corporation Attn Ether Geisinger and Gerard Murray 113 King Street Armonk NY 10504

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 87 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MBIA Insurance Corporation King & Spalding LLP Attn George B South 1185 Avenue of the Americas New York NY 10036 MC & R POOLS & SPAS 2409 E BENSON RD SIOUX FALLS SD 57104 MC COOK COUNTY TREASURER PO Box 278 SALEM SD 57058 Mc Donald Investments Inc c o ADP MC ELROY & WILKEN INC 801 WHITEFISH STAGE RD KALISPELL MT 59901 MCALPINE RANCHES PO Box 667 CUT BANK MT 59427 MCC NORTH PLATTE NEBRASKA OFFICE NORTH PLATTE NE 69101 MCC NORTH PLATTE NE OFFICE 1705 E 5TH ST NORTH PLATTE NE 69101 McCarter & English LLP Jennifer Zelvin 919 N Market St Ste 1800 PO Box 111 Wilmington DE 19801 MCCARTHY MICHELE 116 MILKY WAY BUTTE MT 597013928 MCCARTHY SWEENEY & HARKAWAY PC 2175 K St NW Ste 600 WASHINGTON DC 20037 McCOLLISTERS 1200 N EL DORADO PLACE Ste E550 TUCSON AZ 85715 MCCOLLISTERS PO Box 8500 PHILADELPHIA PA 19178-3970 McCollisters Transportation 1800 Route 130 N Burlington NJ 08016 MCCOOK COUNTY REG OF DEEDS 130 W ESSEX SALEM SD 57058 MCCOOK COUNTY TREASURER PO Box 278 SALEM SD 57058 MCCOOK FEED & FERT PO BOX 308 CANISTOTA SD 57012-0308 MCCOOK TELECOM PO Box 630 SALEM SD 57058 MCCOYS SEPTIC TANK MAINTENANCE 724 W MONTANA LEWISTOWN MT 59457 MCCRODDEN MARY 30 NERRIM ST 2578 BUNDANOONNSW NSW MCDERMOTT WILL & EMERY 600 13TH St NW WASHINGTON DC 20005-3096 MCDONALD ELECTRIC 110 S DELAWARE CONRAD MT 59425 MCDONALD SUPPLY CO INC 501 6TH AVE SW ABERDEEN SD 57402-0948 MCDONALD SUPPLY CO INC 501 6TH AVE SW ABERDEEN SD 57401 MCDONALDS ABERDEEN 403 N 2ND ABERDEEN SD 57401 MCDONALDS IN WALMART 5411 2ND AVE KEARNEY NE 68847 MCDOWELL GROUNDS MAINTENANCE 793 WORMS RD GRAND ISLAND NE 68801 MCELROY & WILKEN PO Box 35 KALISPELL MT 59903 MCENTEE CHARLES C RR #4 MITCHELL SD MCFARLAND CASCADE PO Box 1496 TACOMA WA 98401 MCFARLAND SUPPLY CO INC PO Box 34 ABERDEEN SD 57402-0034 MCG/CHICAGO BENEFIT SERVICES 520 LAKE COOK RD STE 150 DEERFIELD IL 60015-4900 MCGOWAN WATER CONDITIONING INC 101 N GRANT MISSOULA MT 59807 MCGRATH PAINTING 103 HAIL COLUMBIA GULCH BUTTE MT 59701 MCGRAW HILL COMPANIES 7707 COLLECTION CENTER Dr CHICAGO IL 60693-0077 MCGRAW HILL COMPANIES PO Box 402 HIGHSTOWN NJ 08520-0402 MCGREE CONTRACTING COMPANY 445 CENTENNIAL Ave BUTTE MT 59701 McGree Corporation PO Box 4076 Butte MT 59701 McGree Corporation PO Box 4076 Butte MT 59702 McGree Corporation PO Box 4076 Butte MT 59701 MCGREE ROLL OFF 445 CENTENNIAL Ave PO Box 4076 BUTTE MT 59701 MCGUIRE WOODS BATTLE & BOOTHE 1050 CONNECTICUT AVE STE 1200 WASHINGTON DC 20036-5317 MCHENRY PUMPS 215 LOWER RAINBOW RD BOZEMAN MT 59718 MCI RESIDENTIAL SERVICE PO Box 105271 ATLANTA GA 30348-5271 MCI TELECOMMUNICATIONS PO Box 371355 PITTSBURGH PA 15250-7355 MCI WORLDCOM PO Box 4645 IOWA CITY IA 52244-4645 MCISAAC APPRAISALS 610 N MONTANA St DILLON MT 59725 MCIWORLDCOM PO Box 371322 PITTSBURGH PA 15250-7322 MCJUNKIN CORPORATION PO Box 22503 BILLINGS MT 59104-2503 MCKIERNAN CHIROPRACTIC 1031 S MAIN St KALISPELL MT 59901 MCLEAN PLUMBING & HEATING 38 MORMON LANE WHITEHALL MT 59759 MCLEOD USA PO Box 5191 SIOUX FALLS SD 57117-5191 McLeodUSA Telecommunications Services Inc 6400 C St SW PO Box 3177 Cedar Rapids IA 52406 MCMASTER CARR SUPPLY CO PO Box 54960 LOS ANGELES CA 90054-0960 MCMASTER CARR SUPPLY COMPANY PO Box 4355 CHICAGO IL 60680 MCMULLEN CATHERINE 4169 HARTFORD ST GRAND ISLAND NE 68803 MCS ENVIRONMENTAL MOUNTAIN LABS 5562 ALLOY S MISSOULA MT 59808 MCTA BOOSTER CLUB PO Box 3693 BUTTE MT 59702 MCW TRANSMISSION LP 11 WE 42ND St 7TH FL NEW YORK NY 10036 MCW TRANSMISSION LP PO BOX 603 SHELBY MT 59474-0603 MCWHORTER GARALD 2200 SKYWAY ST BUTTE MT 597016414 MDM SUPPLY PO Box 6018 HELENA MT 59604-6018 Meadow Gold Dairies Inc 312 3rd Ave S Great Falls MT 59405 MEADOW GREEN SALES PO Box 2077 BILLINGS MT 59103 MEADOWGOLD DAIRY 312 3RD AVE S GREAT FALLS MT 59405-1811 MEADOWLARK PTA 2204 FOX FARM RD GREAT FALLS MT 59404 MEAGHER COUNTY CLERK & RECORDER PO Box 309 WHITE SULPHER SPRINGS MT 59645 MEAGHER COUNTY RODEO CLUB PO Box 502 WHITE SULPHUR SPRINGS MT 59645 MEAGHER COUNTY SENIOR CITIZENS PO Box 682 WHITE SULPHUR SPRINGS MT 59645 MEAGHER COUNTY TREASURER COURTHOUSE WHITE SULPHUR SPRINGS MT 59645 Measure Now 211 North First Street Ste 280 Minneapolis MN 55401 Measure NowPrisym Solutions 612 3353636 211 N 1st St Ste 280 Minneapolis MN 55401 MEASURENOW 211 N FIRST St MINNEAPOLIS MN 55401 MEASURENOW 211 NORTH FIRST St MINNEAPOLIS MN 55401 MECHANICAL SALES INC 7607 PARK DR OMAHA NE 68127 MEDA MT RDP 118 EAST SEVENTH St Ste 2 ANACONDA MT 59711 MEDA/MT RDP 118 E SEVENTH St Ste 2 ANACONDA MT 59711 MEEKINS APPRAISAL SERVICE 1860 LAMPERT DR HURON SD 57350 MEES BODY SHOP 109 2ND ST SE HURON SD 57350 MEGA WASH 800 E KAY AVE MITCHELL SD 57301 MEGANS CLEANING SERVICE 830 17TH ST HAVRE MT 59501-5513

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 88 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MEISSNER TRACTORS INC PO Box 1111 HAVRE MT 59501 MELCRUM PUBLICATING LTD 311 N WACKER DR STE 4550 CHICAGO IL 60606-6622 MELCRUM PUBLISHING LTD 311 S WACKER DR STE 4550 CHICAGO IL 60606 MELETTE STORAGE 213 1ST AVE MELLETTE SD 57461-0122 MELING DEBRA 233 27th Ave West Laurel MT 59044 MELISSA ORME 2140 Central Park Ave Evanston IL 60201-1864 MELLON EMPLOYEE BENEFIT SOLUTIONS 500 PLAZA Dr SECAUCUS NJ 07096 Mellon HR Solutions LLC Attn Brian Clayton Legal Dept 2100 North Central Road AIM 07D-0701 Fort Lee NJ 07024 MELLON INVESTOR SERVICES LLC PO Box 360857 PITTSBURGH PA 15251-6857 Mellon Leasing Corporation c o Reed Smith LP Attn Eric S Schaffer Esq 435 Sixth Avenue Pittsburgh PA 15219 MELLON LEASING CORPORATION One Mellon Bank Center Suite 4444 500 Grant Street Pittsburgh PA 15258 MELLON LEASING CORPORATION Mellon Leasing Corporation c o Reed Smith LP Attn Eric S Schaffer Esq 435 Sixth Avenue Pittsburgh PA 15219 MELS DINER PO Box 515 AUGUSTA MT 59410 MELSTONE BAR & CAFE PO Box 215 MELSTONE MT 59054-0215 Melstone Public Schoo PO Box 97 Melstone MT 59054 MELVILLE READY MIX SAND & GRVL PO Box 490 HARDIN MT 59034 MELVIN P SARAH E & BOBBI E MILLER 3157 CANYON FERRY Rd EAST HELENA MT 59635 MEMA Attn Diane M Kammerude 1125 ENERGY PARK Dr ST PAUL MN 55108 MENARD INC 3620 W STATE GRAND ISLAND NE Menard Inc 815 E SPRUCE ST MITCHELL SD 57301-4800 Menards Inc 3821 SE 6th Ave Aberdeen SD Menards Inc 3821 SE 6th Ave Arlington SD MENNO ATHLETIC CLUB PO Box 208 MENNO SD 57045 MENNO BASEBALL ASSOCIATION 114 S PEARL MENNO SD 57045 MENNO CLINIC PO Box 307 MENNO SD 57045-0307 MENNO COMMUNITY CLUB PO Box 244 MENNO SD 57045-0244 MENNO JUNIOR HIGH ATHLETICS PO Box 346 MENNO SD 57045 MENNO LUMBER CO PO Box 425 MENNO SD 57045 MENNO PIONEER HERITAGE ASSN PO Box 537 MENNO SD 57045-0537 MENNO SCHOOL DISTRICT 332 PO BOX 346 MENNO SD MENTAL HEALTH ASSOCIATION 3308 2ND Ave N BILLINGS MT 59104 MENTAL HEALTH AWARENESS COUNCIL PO Box 93 HAVRE MT 59501 Mercantile Safe Deposit & Trust Co c o ADP MERCEDES BENZ CREDIT CORP PO Box 9001880 LOUISVILLE KY 40290-1880 Mercer PO Box 730182 Dallas TX 75373-0182 Mercer 612 6428813 FAX 612 3410232 PO Box 730182 Dallas TX 75373-0182 MERCER CAPITAL 5860 RIDGEWAY CENTER PARKWAY Ste MEMPHIS TN 38120 Mercer County Courthouse 1021 Arthur St Stanton ND 58571 MERCER COUNTY TREASURER PO Box 39 STANTON ND 58571 MERCER COUNTYTREASURER PO Box 39 STANTON ND 58571 Mercury Advertising 22 S Grand Ave Bozeman MT 59715 Mercury Advertising Bob Jones 22 S Grand Ave Bozeman MT 59715 MERCURY CLEANERS 603 S MAIN ABERDEEN SD 57401 Mercury Cleaners Attn Kurtes Kruger 611 S Main St Aberdeen SD 57401 MERCURY INSTRUMENTS INC 3940 VIRGINIA AVE CINCINNATI OH 45227 MERCURY STREET MEDICAL 300 W MERCURY BUTTE MT 59701 MERCURY WASTE SOLUTIONS INC 302 N RIVERFRONT DR MANKATO MN 56001-3548 MERGENTHALERS TRANSFER 4144 N PARK TRAIL GREAT FALLS MT 59401 MERIDIAN CAR WASH 501 KARROW AVE WHITEFISH MT 59937-3204 MERIT MECHANICAL SERVICES INC 1601 "A" St HELENA MT 59601 Merle D Davis 3101 S Bishop Jones Sioux Falls SD 57103 Merle Lewis 3101 S Bishop Jones Place Sioux Falls SD 57103 Merle Lewis co Fox Rothschild LLP 919 N Market St Ste 1300 PO Box 2323 Wilmington DE 19899-2323 Merle Lewis Neal J Levitsky Esquire Fox Rothschild LLP 919 N Market St Suite 1300 PO Box 2323 Wilmington DE 19899-2323 Merle Lews MERLES STEAM CLEAN CARPET SERVICES PO Box 181 MADISON SD 57042 MERRICK COUNTY TREASURER PO Box 27 CENTRAL CITY NE 68826 MERRICK MACHINE CO BOX 188 ALDA NE 38810 MERRILL COMMUNICATIONS LLC CM9638 ST. PAUL MN 55170-9638 MERRILL COMMUNICATIONS LLC CM9638 ST. PAUL MN 55170-9638 Merrill Communications LLC Dale L Hein One Merrill Circle St Paul MN 55108 MERRILL COMMUNICATIONS LLC Merrill Communications LLC Dale L Hein One Merrill Circle St Paul MN 55108 MERRILL CORPORATION ONE MERRILL CIRCLE ST PAUL MN 55170 Merrill Lynch c o ADP MERRILL LYNCH PO Box 6548 ENGLEWOOD CO 80155-6548 Merrill Lynch Pierce Fenner & Smith Inc Attn Marianne Bretton Granatoo 4 World Financial Center 250 Vesey St 12th Floor New York NY 10080 Merrill Lynch Pierce Fenner & Smith Inc Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 Mesirow Financial Inc c o ADP MESMAN FARM SUPPLY PO Box 526 SPRINGFIELD SD 57062 MESURINA LTD 528 MELOCHE AVE DORVAL QC H9P 2T2 Canada METALWORKS OF MONTANA PO Box 10 MISSOULA MT 59806 METER DEVICES COMPANY INC 3359 BRUENING AVE S W CANTON OH 44706 METHODIST CHURCH 511 N ELM GRAND ISLAND NE METRA PARK BILLINGS PO Box 2514 BILLINGS MT 59103-2514 METRA PARK FOUNDATION PO Box 2514 BILLINGS MT 59103 METRETEK INC 1509 MAPLE Ave No3 EVANSTON IL 60201 METRETEK INC 300 NORTH Dr MELBOURNE FL 32934 METROPOLITAN LIFE INSURANCE CO DEPT CH10579 PALATINE IL 60055-0579 METROPOLITAN UTILITIES DIST 1723 HARNEY ST OMAHA NE 68102-1960 METROTECH 488 TASMAN DR SUNNYVALE CA 94089 METSO AUTOMATION SCADA SOLUTIONS 10333 S PORT RD W CALGARY AB T2W 3X6 Canada

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 89 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country

METSO AUTOMATION SCADA SOLUTIONS INC 10333 SOUTHPORT ROAD SW CALGARY AB T2W 3X6 Canada METTLER IMPLEMENT PO Box 445 MENNO SD 57045-0445 MEXICAN FIESTA 1215 W 10TH ST NORTH PLATTE NE 69101 MEXICAN FIESTA PO Box 424 HERSHEY NE 69143 MEYER MODERNIZING 1340 Dakota Ave N HURON SD 57350-4545 MEYERS SAND & GRAVEL 265 10TH ST NE HURON SD 57350 MFSYORK DIVISION TIC UNITED CORP 2928 E HIGHWAY 30 GRAND ISLAND NE 68801 MICHAEL BECKER MD 142 3RD ST SE HURON SD 57350 MICHAEL D KOENIG 540 HEALY SPRING Rd CONRAD MT 59425 Michael E Zimmerman Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 MICHAEL EAYRS 1500 AIRPORT Rd KALISPELL MT 59901 MICHAEL H HUSCHLE & PAMELA R 6206 SHADOW CIRCLE BOZEMAN MT 59715 Michael J Hanson 47258 272nd St Sioux Falls SD 57108 Michael J Meldah Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Michael J Young 5604 S Deer Park Drive Sioux Falls SD 57108 MICHAEL JOHNSON CONTRUCTION 1000 N UNION Ave MADISON SD 57042 Michael L Childers Prairie Fire Communications 3600 S Minnesota Ave Sioux Falls SD 57105 MICHAEL MANAGEMENT CORPORATION 130 Wood Pine Court Alpharetta GA 30004 MICHAEL NELSON 818 W 3RD NORTH PLATTE NE 69101-3731 MICHAEL P MANION 3020 NETTIE St BUTTE MT 59701 MICHAEL R & MARLEA F IRVIN PO Box 506 SHELBY MT 59474-0506 MICHAEL R ORTBAHN 4681 DAKOTA AVE S HURON SD 57350-6541 MICHAEL SLADE PH D 54 MIRALOMA Dr SAN FRANCISCO CA 94127 MICHAEL TOUKAN 1808 S LOCUST GRAND ISLAND NE 68801 MICHAEL WALTER PO Box 75 MENNO SD 57045-0075 MICHAELS FENCE 3100 E TENTH ST SIOUX FALLS SD 57103 MICHELE & BILL ROCK PO Box 1337 MALTA MT 59538 MICHELE STEVENS 230 3RD St E MALTA MT 59538 MICHELLE STOVER 816 E 25TH KEARNEY NE 68848 MICHELLE STOVER 816 E 25TH KEARNEY SD 68848 MICHELS GARAGE RR 1 RAYNESFORD MT 59469 MICHIGAN ASSOCIATION OF PO Box 5068 TROY MI 48007-5068 MICHIGAN DEPARTMENT OF TREASURY PO Box 30207 LANSING MI 48909 MICHIGAN DEPT OF TREASURY PO Box 30059 LANSING MI 48909 MICKEN HEARING SERVICES 1008 N 7TH AVE BOZEMAN MT 59715-2506 Micken Hearing Services 1009 N 7th St Bozeman MT 59715 MICR SHIELD COMPANY PO Box 6495 PHOENIX AZ 85005-6495 MICROFILM SERVICE OF MT INC 230 Broadwater Ave BILLINGS MT 59104-0457 MICRONET COMMUNICATIONS INC 720 Ave F Ste 100 PLANO TX 75074 Micronet Communications Inc Attn Contracts Department 720 Ave F Ste100 Plano TX 75074 MICROSOFT CORPORATION LAW AND CIRPORATE AFFAIRS ATTN SELECT ATTORNEY ONE MICROSOFT WAY REDMOND WA 98052 MICROWAREHOUSE 1720 OAK St LAKEWOOD NJ 08701-5926 MICROWAVE DATA SYSTEMS INC 175 SCIENCE PKY ROCHESTER NY 14620 MID AMERICA VACCUM SUPPLY CO 666 UNIVERSITY AVE ST PAUL MN 55104 MID AMERICAN ENERGY COMPANY 106 EAST SECOND St PO Box 8019 DAVENPORT IA 52808-8020 MID AMERICAN ENERGY COMPANY PO Box 8019 DAVENPORT IA 52808-8020 MID AMERICAN RESEARCH CHEMICAL PO Box 927 COLUMBUS NE 68602-0927 MID DAKOTA CLINIC 401 N 9TH ST BISMARK ND 58506-5538 MID DAKOTA HOME CARE SERVICES 110 W BEEBE STE 1 CHAMBERLAIN SD 57325 MID NEBRASKA APPLIANCE SERVICE 108 W 9TH ST WOOD RIVER NE 68883 MID NEBRASKA COMM FOUNDATION PO Box 1321 NORTH PLATTE NE 69103-1321 MID NEBRASKA CONNECTIONS 112 N CEDAR ST GRAND ISLAND NE 68801-5836 MID NEBRASKA RESTAURANT SUPPLY 1415 S WEBB RD GRAND ISLAND NE 68802-1263 MID PLAINS UNITED WAY PO Box 172 NORTH PLATTE NE 69103-0172 MID RIVERS TELEPHONE COOPERATIVE IN PO Box 280 CIRCLE MT 59215-0280 MID STATE SIGNS INC 121 3RD AVE S LEWISTOWN MT 59457 Mid States Printing Inc 1216 S Main St Aberdeen SD 57401 MIDAMERICAN ENERGY 106 E SECOND St PO Box 8019 DAVENPORT IA 52808-8020 MidAmerican Energy Company A Robert Lasich Esq Senior Trading Company 4299 NW Urbandale Drive Urbandale IA 50322 MIDCO COMMUNICATIONS INC 410 S PHILLIPS SIOUX FALLS SD 57102 Midcom 701 Enterprise St N Aberdeen SD Midcom 701 Enterprise St N Arlington SD Midcontinent PO Box 5010 Sioux Falls SD 57117-5010 Midcontinent Broadcasting Co Community Telecommunications Inc Sioux Falls SD 57102 MIDCONTINENT COMMUNICATIONS PO Box 1560 ABERDEEN SD 57402-1560 MIDCONTINENT COMMUNICATIONS PO Box 5010 SIOUX FALLS SD 57117-5010 MIDCONTINENT RADIO OF SD INC 500 S PHILLIPS SIOUX FALLS SD 57104

MIDDLE BORDER MUSEUM HERITAGE CAMPA 1300 E University St Mitchell SD 57301 MIDDLETON ELECTRIC INC 2716 W OLD HWY 30 GRAND ISLAND NE 68802-0447 MIDLAND SUPPLIERS INC 4804 SUPERIOR ST LINCOLN NE 68504 MIDLAND TRANSPORTATION PO Box 673 MARSHALLTOWN IA 50158 MIDLAND WEST MANUFACTURING PO Box 30334 BILLINGS MT 59107-0334 MIDLANDS CONTRACTING INC PO Box 1065 KEARNEY NE 68848-1065 MidRivers Telephone Cooperative 105 Seven Mile Dr Glendive MT 59330 MIDSTATE COMMUNICATIONS PO Box 48 KIMBALL SD 57355-0048 Midstate Printing 4820 Capital Ave Aberdeen SD MIDSTATE TELEPHONE COMPANY PO BOX 48 Kimball SD 57355-0048 Midstates Printing 1216 S Main St Aberdeen SD 57401 Midstates Printing 4820 Capital Ave Aberdeen SD

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 90 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MIDSUN GROUP INC 135 REDSTONE St SOUTHINGTON CT 06489-1129 MIDWAY CHEVROLET 515 2ND AVE E KEARNEY NE 68847 MIDWAY RENTAL 6194 HIGHWAY 93 S WHITEFISH MT 59937 MIDWAY RENTAL 6194 Hwy 93 S WHITEFISH MT 59937 MIDWEST ALARM COMPANY 2300 S DAKOTA VE SIOUX FALLS SD 57105-3844 MIDWEST ASSOCIATES 1001 1/2 MEMORY LANE YANKTON SD 57078-3189 MIDWEST BOILER REPAIR INC 610 N WEBER AVE SIOUX FALLS SD 57103-7004 MIDWEST CLEANING EQUIPMENT 27093 S MUELLER PL SIOUX FALLS SD 57108 MIDWEST CONCRETE SERVICES INC 310 S UNION AVE MADISON SD 57042 MIDWEST COPIER SOLUTIONS INC PO Box 89407 SIOUX FALLS SD 57109-9407 MIDWEST CREDITS INC PO Box 1088 Aberdeen SD 57402-1088 MIDWEST ENERGY ASSOCIATION 6012 BLUE CIRCLE DR MINNETONKA MN 55343-9104 MIDWEST FIRE & SAFETY 1124 E 11TH MITCHELL SD 57301 MIDWEST FIRE EQUIPMENT 210 S KIMBALL MITCHELL SD 57301-7366 MIDWEST GLASS PO Box 16 BROOKINGS SD 57006 MIDWEST GOLD CAR INC PO Box 234 SIOUX FALLS SD 57101 MIDWEST HEATING & A/C CO 2304 W LINCOLN HIGHWAY GRAND ISLAND NE 68802 MIDWEST HOMES 1405 E HWY 50 VERMILLION SD 57069-2667

MIDWEST INDEPENDENT SYSTEM OPERATOR 701 CITY CENTER Dr CARMEL IN 46032 MIDWEST MOTOR EXPRESS INC PO Box 1496 BISMARCK ND 58502 MIDWEST PEST CONTROL 5405 EE HWYE 12 ABERDEEN SD 57401 MIDWEST RELIABILITY ORGAN INC 1125 ENERGY PARK Dr ST PAUL MN 55112 MIDWEST RUBBER STAMP CO 918 8TH AVE NE ABERDEEN SD 57401 MIDWEST SUPPLY 206 W CLEMMER CHAMBERLAIN SD 57325 MIEDEMA SANITATION PO Box 1165 MITCHELL SD 57301 MIKE & SUE DORN PO Box 8095 BROOKINGS SD 57006 Mike Baker dba Baker Excavating PO Box 291 Whitehall MT 59759-0291 MIKE BECKLER PO Box 188 REDFIELD SD 57469 MIKE BRUSE 17435 Saint Andrews PL Frenchtown MT 59834 9647 MIKE EVANS 316 N SPRUCE ST TOWNSEND MT 59644 MIKE J MCNAMARA PO Box 194 GROTON SD 57445-0194 MIKE KELLNER FOUNDATION PO Box 389 HELENA MT 59604 MIKE MJELSTAD & KEVIN THOMPSON 4400 Wheatridge Rd Molt MT 59057-2237 MIKE NANCE CONSTRUCTION 2401 CASCADE AVE BILLINGS MT 59102 MIKE OF ALL TRADES 3010 S WILLOW NORTH PLATTE NE 69101 MIKE PANISKO 120 COTTONWOOD BUTTE MT 59701 MIKE PANOWEEZ 1717 BIRDIE Ln GRAND ISLAND NE 68801 MIKE SMIDT MENNO SD 57045 MIKE TILLO GRAPHICS 3426 US HIGHWAY 12 E HELENA MT 59601 MIKE TILLO GRAPHICS 3545 PAXSON BUTTE MT 59701 MIKE WIEDEBUSH PO Box 271 WARNER SD 57479 MIKES COOLING PO Box 6475 HELENA MT 59604 MIKES GOLF CAR & ARTIC CAT No7 HUMBLE Rd CUT BANK MT 59427 MIKESELL SALES & SERVICE INC PO Box 329 WHITE SULPHUR SPRINGS MT 59645 MILBANK AREA CHAMBER OF COMMER 401 S MAIN ST MILBANK SD 57252 MILBANK CHAMBER OF COMMERCE 401 S MAIN ST MILBANK SD 57252 MILBANK COMMUNICATIONS 901 S DAKOTA ST MILBANK SD 57252-0003 MILBANK FIRE DEPARTMENT PO Box 625 MILBANK SD 57252 MILBANK HARDWARE HANK 104 A MAIN MILBANK SD 57252 MILBANK LUMBER INC 513 W 4TH AVE MILBANK SD 57252 MILBANK MEDICAL CENTER PO Box 69 MILBANK SD 57252-0669 MILBANK MIDDLE SCHOOL 1001 E PARK AVE MILBANK SD 57252 MILBANK TWEED HADLEY & MCCLOY Attn M Douglas Dunn Esquire 1 CHASE MANHATTAN PLAZA NEW YORK NY 10005-1443 MILBANK WINWATER WORKS CO PO Box 350 MILBANK SD 57252 MILD FENCE COMPANY 3465 US HIGHWAY 93 N KALISPELL MT 59901-6814 MILD FENCE COMPANY 3465 US Hwy 93 N KALISPELL MT 59901-6814 Mildred E Harbert James W Harbert 1913 Copley Dr Pensacola FL 32503-3346 MILDRED EVANS 2215 W KOENIG GRAND ISLAND NE 68801 Mildred M Reeves 1205 Nelson Heritage Plaza Cambridge NE 69022 MILDRED PANEC 2523 W CHARLES GRAND ISLAND NE 68803 MILE HIGH BEVERAGE INC 520 COBBAN BUTTE MT 59701 MILE HIGH LITTLE LEAGUE PO Box 4144 BUTTE MT 59702-4144 MILES CITY COMMUNITY COLLEGE FOUND 2715 DICKINSON ST MILES CITY MT 59301 MILITARY APPRECIATION PICNIC PO Box 2127 GREAT FALLS MT 59403-2127 MILK RIVER ENGINEERING INC PO Box 2532 HAVRE MT 59501 MILL VALLEY INDUSTRIES PO Box 429 MILBANK SD 57252 MILLARD REFRIGERATED SERVICES 205 E ROBERTS GRAND ISLAND NE Millbank Tweed Hadley & McCloy 212 5305758 FAX 212 8225758 46th Fl 1 Chase Manhattan Plaza New York NY 10005-1413 MILLER & PAINE 13TH St N WEBB RD Grand Island NE 68801 Miller Mechanica 205 N Gold Anaconda MT 59711 Miller Mechanical Inc 1121 E 5th St Anaconda MT 59711 MILLER MECHANICAL INC 205 N GOLD St ANACONDA MT 59711 MILLER PUBLISHING CO INC 114 W 3RD ST MILLER SD 57362-0196 MILLERBERND MANUFACTURING CO PO Box 98 WINSTED MN 55395 MILTONES 14751 482ND AVE MILBANK SD 57006 MINE SAFETY APPLIANCE COMPANY PO Box 640348 PITTSBURGH PA 15264-0348 MINEESOTA MINING & MFG CO PO BOX 33331 ST. PAUL MN 55133 MINER COUNTY PIONEER BOX P HOWARD SD 57349 MINER COUNTY TREASURER PO Box 426 HOWARD SD 57349

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 91 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country

MINERAL COUNTY CHAMBER OF COMMERCE PO Box 483 SUPERIOR MT 59872 MINERAL COUNTY CLERK & RECORDER PO Box 550 SUPERIOR MT 59872 MINERAL COUNTY TREASURER COURTHOUSE SUPERIOR MT 59872 MINERAL COUNTYTREASURER COURTHOUSE SUPERIOR MT 59872 Minerals Management Service PO Box 25165 MS 370B2 Denver CO 80225 MINERS COULEE GAS GATHERING SYSTEM LTD 125 MAIN St SHELBY MT 59474 MINERVAS GRILL & BAR PO Box 157 YANKTON SD 57078-0157 MINI NICKEL PO Box 4469 BOZEMAN MT 59772 MINING CITY DIRT RIDERS PO Box 4484 BUTTE MT 59702-4484 MINING CITY MAGIC FASTPITCH 2545 PRINCETON BUTTE MT 59701 MINING CONTROLS INC PO Box 643138 PITTSBURGH PA 15264-3138 MINNEAPOLIS VAN PO Box 1450 MINNEAPOLIS MN 55485-7215 MINNEHAHA COUNTRY CLUB 3101 W 22ND ST SIOUX FALLS SD 57105 MINNEHAHA COUNTY CLERK OF COURTS 425 NE DAKOTA AVE SIOUX FALLS SD 57104 MINNEHAHA COUNTY SHERIFF 125 SE DAKOTA AVE SIOUX FALLS SD 57104 MINNEHAHA COUNTY TREASURER 415 N DAKOTA AVE SIOUX FALLS SD 571020193 MINNEHAHA COUNTY TREASURER 415 N DAKOTA AVE SIOUX FALLS SD 57102-0193 MINNESOTA COMMERCE DEPT 133 E 7TH ST ST PAUL MN 55101 MINNESOTA DEPT OF REVENUE MAIL STATION 1185 SAINT PAUL MN 55146-1185 MINNESOTA DEPT OF REVENUE MINNESOTA CORP FRANCHISE TAX SAINT PAUL MN 55146-1250 MINNESOTA FARMS COMPANY PO Box 155 APPLETON MN 56208 MINNESOTA MINING AND MANUFACTURING CO 3M CO 601 22ND Ave S BROOKINGS SD 57006 MINNESOTA MUTUAL LIFE 400 N ROBERT St ST PAUL MN 55101 MINNESOTA POWER 30 W SUPERIOR ST DULUTH MN 55806-1001 MINNESOTA POWER 30 W SUPRIOR St DULUTH MN 55802 Minnesota Power c o Secretary 30 W Superior St Duluth MN 57350 MINNESOTA POWER & LIGHT COMPANY 30 W SUPERIOR St DULUTH MN 55802 MINNESOTA POWER & LIGHT COMPANY 30 W SUPERIOR St DULUTH MN MINNESOTA POWER & LIGHT COMPANY 400 N FOURTH St BISMARCK ND Minnesota Power & Light Company c o Secretary 30 W Superior St Duluth MN 57350 MINNESOTA POWER & LIGHT COMPANY THIRD SHEET AND DAKOTA Ave S HURON SD MINNESOTA REVENUE PO Box 64439 ST PAUL MN 55164-0439 MINNESOTA SECRETARY OF STATE 100 CONSTITUTION Ave ST PAUL MN 55155-1299 MINNESOTA STATE BAR ASSOC 40 MILTON ST N STE 174 ST PAUL MN 55104-7094 MINNESOTA SUPREME COURT 25 CONSTITUTION AVE ST PAUL MN 55155 MINNESOTA SUPREME COURT 25 REV DR MARTIN LUTHER KING BLVD ST PAUL MN 55155 MINNESOTA TWINS PO Box 1387 HURON SD 57350 MINNKOTA ELECTRIC SALES 14130 23RD AVE N PLYMOUTH MN 55447 MINNKOTA POWER COOPERATIVE INC BOX 1318 GRAND FORKS ND 20201 Minnkota Power Cooperative Inc Box 1318 Grand Forks ND 58201 MINNKOTA POWER COOPERATIVE INC PO 1318 GRAND FORKS ND 58201 MINNKOTA POWER COOPERATIVE INC PO BOX 1318 GRAND FORKS ND 58201 MINNKOTA POWER COOPERATIVE INC PO Box 86 MINNEAPOLIS MN 55486-1425 MINNWEST BANK SIOUX FALLS 5001 S LOUISE AVE SIOUX FALLS SD 57108 Minuteman Aviation Inc 5225 Highway 10 W Airport Box 16 Missoula MT 59808 MINUTEMEN AVIATION INC 5225 HIGHWAY 10 W BOX 16 MISSOULA MT 59802 MINUTEMEN AVIATION INC 5225 Hwy 10 WEST BOX 16 MISSOULA MT 59802 MIRANDA ANN MCKINLEY MEMORIAL FUND 200 E PARK St ANACONDA MT 59711

MIRCOSOFT CORPORATION ATTN SELECT VOLUME LICENSING DEPT 551 ONE MICROSOFT WAY REDMOND WA 98052-6399 MISS MONTANA TEEN USA PAGEANT PO Box 589 GREAT FALLS MT 59403 MISS NATIONAL PRE TEEN 9933 CAVELL Ave SE BLOOMINGTON SD 55438 MISS PHEASANT COUNTRY 17992 392ND AVE REDFIELD SD 57469 MISS SD STATE FAIR SCHOLARSHIP 409 UTAH SE Huron SD 57350 MISS SOUTH DAKOTA ORGANIZATION PO Box 142 HOT SPRINGS SD 57747 MISS SOUTH DAKOTA STATE FAIR PO Box 1275 HURON SD 57350 MISSING CHILDREN ALERT PROGRAM 2101 W WADLEY AVE #24-142 MIDLAND TX 79705-6421 MISSION CREEK JOSEF STAUFER VAIL VILLAGE INN VAIL CO 81657 MISSISSIPPI SECRETARY OF STATE PO Box 23083 JACKSON MS 39225-3083

MISSOULA AREA CHAMBER OF COMMERCE PO Box 7577 MISSOULA MT 59807-7577

MISSOULA AREA ECONOMIC DEVELOPMENT 1121 E Broadway St 100 MISSOULA MT 59802-4908 MISSOULA BUILDING INDUSTRY ASSOCIAT 320 WE Broadway ST MISSOULA MT 59802 MISSOULA CONCRETE CONSTRUCTION PO Box 16086 MISSOULA MT 59808-6086 MISSOULA COUNTY AIRPORT 5225 HWY 10 W MISSOULA MT 59808 MISSOULA COUNTY AIRPORT AUTHORITY 5225 HIGHWAY 10 W MISSOULA MT 59808 MISSOULA COUNTY CLERK&RECORDER 200 W Broadway MISSOULA MT 59802 MISSOULA COUNTY HIGH SCHOOLS 915 S Ave W MISSOULA MT 59801 MISSOULA COUNTY ROAD DEPARTMENT 6089 TRAINING Dr MISSOULA MT 59802 MISSOULA COUNTY TREASURER 200 W Broadway ST MISSOULA MT 59801 MISSOULA DESIGN GROUP 1527 S RUSSELL MISSOULA MT 59801 MISSOULA DISTRICT YOUTH GUIDANCE PO Box 7616 MISSOULA MT 59807-7616 MISSOULA DOWNTOWN ASSOCIATION 225 1/2 W Broadway MISSOULA MT 59802 MISSOULA ELECTRIC COOPERATIVE 1700 W BRAODWAY MISSOULA MT 59802 Missoula Electric Cooperative Inc 1700 W Broadway Missoula MT 59808 MISSOULA ELECTRIC COOPERATIVE INC 1700 W BROADWAY ST MISSOULA MT 59808 MISSOULA FOOD BANK 219 S 3RD W MISSOULA MT 59801 MISSOULA FREIGHTLINER PO Box 1060 MISSOULA MT 59806

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Missoula Hearing Inc 601 S Orange Missoula MT 59801 MISSOULA MEDICAL INC 1805 BANCROFT No2 MISSOULA MT 59801 MISSOULA PARKING COMMISSION 128 W MAIN ST MISSOULA MT 59802 MISSOULA PARKING COMMISSION c o Rossbach Hart Bachtold PO Box 8988 MISSOULA MT 59801-8988 MISSOULA READY MIX CONCRETE 1600 RIVER RD MISSOULA MT 59806-2158 MISSOULA READY MIX CONCRETE 1600 RIVER RD PO Box 2158 MISSOULA MT 59806-2158 MISSOULA ROTARY CLUB PO Box 8867 MISSOULA MT 59807-8867 MISSOULA SAWS INC 212 COMMERCE St MISSOULA MT 59802 MISSOULA SHEET METAL PO BOX 10 MISSOULA MT 59806-0010 MISSOULA TEXTILE SERVICE 111 EAST SPRUCE MISSOULA MT 59801-4599 MISSOULA TRUCK SALES INC PO Box 16690 MISSOULA MT 59808-6005 Missoulian Newpaper 500 S Higgins PO Box 8029 Missoula MT 59807 Missoulian Newpaper Dan Doyle 500 S Higgins PO Box 8029 Missoula MT 59807 MISSOULIAN PAVALLI REPUBLIC 500 S HIGGINS AVE MISSOULA MT 59807-8029 MISSOURI DEPARTMENT OF REVENUE PO Box 385 JEFFERSON CITY MO 65105-0385 MISSOURI DEPARTMENT OF REVENUE PO Box 999 JEFFERSON CITY MO 65108-0999 MISSOURI DIRECTOR OF REVENUE PO Box 700 JEFERSON CITY MO 65105-0700 MISSOURI RIVER DANCE COMPANY PO Box 589 GREAT FALLS MT 59403 MISSOURI RIVER ENERGY SERVICES PO Box 1348 SIOUX FALLS SD 57101-9958 MISSOURI RIVER MEDICAL CENTER PO Box 249 FORT BENTON MT 59442-0249 MISSOURI RIVER SATELLITE 41 EATON AVE GREAT FALLS MT 59405 MISSOURI SECRETARY OF STATE PO Box 1366 JEFFERSON CITY MO 65102 Missouri Valley Cable TV Attn Jack Schaefer PO Box 57 Mitchell SD 57301 MISSOURI VALLEY SHOPPER PO Box 773 YANKTON SD 57078 MITA FINANCIAL SERVICES 31001 0273 PASADENA CA 91110-0273 MITCH GOPLEN 2243 SAM ANDREWS DR BILLINGS MT 59105 MITCHELL AREA CHAMBER PO Box 1026 MITCHELL SD 57301-1026 MITCHELL AREA CONCERT ASSOC 1303 E HANSON ST MITCHELL SD 57301 MITCHELL AREA DEVELOPMENT CORP PO Box 1087 MITCHELL SD 57301 MITCHELL AREA FEDERAL CREDIT PO Box 915 MITCHELL SD 57301-0915 MITCHELL BASEBALL ASSOCIATION PO Box 265 MITCHELL SD 57301 MITCHELL CITY PO Box 278 MITCHELL SD 57301-0278 MITCHELL CLINIC LTD 818 W HAVENS MITCHELL SD 57301 MITCHELL COMMUNITY SCHOLARSHIP PO Box 1087 MITCHELL SD 57301 MITCHELL CONCRETE 721 N EDMUDS MITCHELL SD 57301 MITCHELL CONCRETE PRODUCTS CO 721 N EDMUNDS ST MITCHELL SD 57301-9801 MITCHELL CONCRETE PRODUCTS CO 721 N EDMUNDS ST PO Box 818 MITCHELL SD 57301-9801 MITCHELL DAILY REPUBLIC 120 S LAWLER ST MITCHELL SD 57301 MITCHELL DRYWALL PO Box 1329 NORTH PLATTE NE 69103 MITCHELL EXCHANGE CLUB PO Box 811 MITCHELL SD 57301 MITCHELL FIRE DEPARTMENT 201 W 1ST MITCHELL SD 57301 MITCHELL FOUNDATION FOR CATHOLIC 1510 W ELM AVE MITCHELL SD 57301 MITCHELL GOLF 3009 MONTANA AVE BILLINGS MT 59101 MITCHELL HIGH SCHOOL AFTER PROM PAR PO Box 343 MITCHELL SD 57301 MITCHELL IRON & SUPPLY CO INC 217 W 1ST AVE MITCHELL SD 57301 MITCHELL JAYCEES PO BOX 214 MITCHELL SD 57301 MITCHELL MOOSE LODGE #875 516 W 15TH MITCHELL SD 57301 MITCHELL PARK BOARD 1300 N MAIN ST MITCHELL SD 57301 MITCHELL PARK BOARD RECREATION CENTER 1300 N MAIN ST MITCHELL SD 57301 MITCHELL POLICE DEPARTMENT 201 W FIRST AVE MITCHELL SD 57301 MITCHELL SCHOOL DISTRICT #17 2 PO Box 7760 MITCHELL SD 57301

MITCHELL WOMENS INTERAGENCY NETWOR PO Box 1026 MITCHELL SD 57301 MITCHELLL SCHOOL DISTRICT JUNIOR HIGH 800 W 10TH MITCHELL SD 57301 MITCHELLL SCHOOL DISTRICT LONGFELLOW SCHOOL 925 E 2ND MITCHELL SD 57301 MITCHELLL SCHOOL DISTRICT SENIOR HIGH 900 N CAPITAL ST MITCHELL SD 57301 MJ PEET SEPTIC TANK CLEANING 1360 13TH Ave SEWE GREAT FALLS MT 59404-3155 MJ PEET SEPTIC TANK CLEANING 1360 13TH Ave SW GREAT FALLS MT 59404-3155 MK WEEDEN CONSTRUCTION PO Box 1164 LEWISTOWN MT 59457 MMC INC 186 ARDEN BELGRADE MT 59714 MN STATE BOARD OF CONTINUING 380 JACKSON ST Ste 200 ST PAUL MN 55101 MOBILE CONCRETE INC 18605 SD HWY 15 BRANDT SD 57218-5714 MOBILE ELECTRONIC SERVICE 408 S CLIFF AVE SIOUX FALLS SD 57103 MOCKEL PRECAST & EXCAVATING CO PO Box 682 EAST HELENA MT 59635 MODERN AIRE INC PO Box 511 HAVRE MT 59501 MODERN AVIONICS 10000 FLYING CLOUD Dr EDEN PRAIRIE MN 55347 MODERN METHODS INC PO Box 985 HASTINGS NE 68902 MODERN SUPPLY CO PO Box 2069 PONCA CITY OK 74602-2069 MODERN WOODMEN OF AMERICA MISSISSIPPI RIVER AT 17TH St ROCK ISLAND IL 61201 MOELLER SHEET METAL 119 N COMMERCIAL CLARK SD 57225 MONAGHAN DAVID 8988 S Sheridan Rd Ste L PMB 232 Tulsa OK 74133 MONDEN LLC PO Box 3800 RAPID CITY SD 57709-3800 MONSTER COM PO Box 632163 CINCINNATI OH 45263-2163 MONT LEAGUE OF CITIES & TOWNS PO Box 1704 HELENA MT 59624 Montag and Caldwell Inc 3455 Peachtree Rd NE Ste1200 Atlanta GA 30326-3248 MONTANA ACTORS THEATRE PO Box 1363 HAVRE MT 59501 MONTANA AMBASSADORS PO Box 1040 HELENA MT 59624 MONTANA AMBASSADORS PO Box 200501 HELENA MT 59620-0501 MONTANA ARTISTS REFUGE PO Box 8 BASIN MT 59631 MONTANA ASSOCIATION OF COUNTIES 2715 SKYWAY Dr HELENA MT 59602

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 93 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MONTANA ASSOCIATION OF HEALTH CARE PO Box 4121 MISSOULA MT 59806 Montana Association of Health Care Purchasers 929 SW Higgins Ave Ste D Missoula MT 59803 MONTANA ASSOCIATION OF REGISTERED PO Box 359 COLUMBIA FALLS MT 59912-0359 MONTANA ASSOCOF REALTORS 208 N MONTANA AVE STE 105 HELENA MT 59601 MONTANA BOARD OF OIL & GAS 2535 ST JOHNS Ave BILLINGS MT 59102 MONTANA BOARD OF PROFESSIONAL PO Box 200513 HELENA MT 59620-0513

MONTANA BOARD OF PUBLIC ACCOUNTANTS 301 S PARK HELENA MT 59620-0513 MONTANA BOARD OF REALTY REG 111 N JACKSON ST HELENA MT 59620-0513 MONTANA BROADCASTERS ASSOCIATION HC 70 BOX 98 BONNER MT 59823 MONTANA BROOM & BRUSH COMPANY 3747 HARRISON Ave BUTTE MT 59701 MONTANA BROOM & BRUSH COMPANY 3747 HARRISON Ave PO Box 3840 BUTTE MT 59701 MONTANA BROOM & BRUSH SPLYCO 3151 AIRPORT RD HELENA MT 59604-5837 MONTANA BUILDING MAINTENANCE INC PO Box 8132 BOZEMAN MT 59773 Montana Building Maintenance Inc PO Box 8132 Bozeman MT 59773-8132 MONTANA BUSINESS PROFESSIONS OF PO Box 7261 HELENA MT 59604 MONTANA CADET & JUNIOR NATIONAL 217 S KANSAS CONRAD MT 59425 MONTANA CHAMBER FOUNDATION 2030 11TH AVE HELENA MT 59601 MONTANA CHAMBER FOUNDATION PO Box 1162 HELENA MT 59624 MONTANA CHAMBER OF COMMERCE PO Box 1730 HELENA MT 59624 MONTANA CHAMBER OF COMMERCE PO Box 200533 HELENA MT 59620-0533 MONTANA CHAPTER APPRAISAL INSTITUTE PO Box 16653 MISSOULA MT 59808 MONTANA CHAPTER THE WILDLIFE 732 BRECKENRIDGE St HELENA MT 59601 MONTANA CLEANING SERVICE 607 COOK Ave BILLINGS MT 59101 MONTANA CONSERVATION CORPS 206 N GRAND BOZEMAN MT 59715 MONTANA CONTAINER CORPORATION 1925 DEAD MANS GULCH BOZEMAN MT 59715 MONTANA COUNCIL ON ECONOMIC MONTANA STATE UNIVERSITY BOZEMAN MT 59717 MONTANA CRANE SERVICE 209 E CEDAR BOZEMAN MT 59715 Montana Dakota Utilities c o Secretary Northwestern National Bank Building 400 N St Huron SD 57350 MONTANA DAKOTA UTILITIES CO 400 N 4TH ST BISMARCK ND 58501 MONTANA DAKOTA UTILITIES CO PO Box 5600 BISMARCK ND 58506-5600 Montana Dakota Utilities Co a Division of MDU Resources Group Inc Montana Dakota Utilities Co Montana Dakota Utilities 400 N Fourth St Bismarck ND 58501 MONTANA DAKOTA UTILITIESCO PO Box 2546 BILLINGS MT 59112 MONTANA DEFENSE TR LAWYERS INC 36 S LAST CHANCE GULCH HELENA MT 59601 MONTANA DEPARTMENT OF AGRICULTURE PO Box 200201 HELENA MT 59620-0201 MONTANA DEPARTMENT OF ENVIRONMENTAL PO Box 200901 HELENA MT 59620-0901 Montana Department of Environmental Quality Jane B Amdahl PO Box 200901 Helena MT 59620-0901 Montana Department of Environmental Quality PO Box 200901 HELENA MT 59620-0901 Montana Department of Environmental Quality MONTANA DEPARTMENT OF JUSTICE 303 N ROBERTS HELENA MT 59620 MONTANA DEPARTMENT OF NATURAL PO Box 201601 HELENA MT 59601 MONTANA DEPARTMENT OF REVENUE 125 ROBERTS HELENA MT 59604 MONTANA DEPARTMENT OF REVENUE PO Box 5805 HELENA MT 59601 Montana Department of Revenue PO Box 5805 Helena MT 596045805 Montana Department of Revenue PO Box 5835 Helena MT 59624 MONTANA DEPARTMENT OF REVENUE PO Box 6339 HELENA MT 59604-6339 MONTANA DEPARTMENT OF TRANSPORATION FOR CHANGING PO BOX 201001 HELENA MT 59620-1001 MONTANA DEPT OF CORRECTIONS 600 CONLEY LAKE RD DEER LODGE MT 59722-8710 MONTANA DEPT OF ENVIRONMENTAL STATE OF MONTANA DEPT OF QUALITY ENVIRONMENTAL QUALITY PLANNING PREVENTION & ASSISTANCE DIV 1520 E SIXTH St HELENA MT 59620-0901 MONTANA DEPT OF LABOR & INDUSTRY 301 S PARK HELENA MT 59620-0517 MONTANA DEPT OF LABOR & INDUSTRY 31 S PARK HELENA MT 59620-0513 MONTANA DEPT OF LABOR & INDUSTRY PO Box 200517 HELENA MT 59620-0517 Montana Dept of Public Health and Human Services Human and Community Services Division PO Box 202956 Helena MT 59620 2956 MONTANA DEPT OF REV INC TAX DV PO Box 5805 HELENA MT 59604 MONTANA DEPT OF REVENUE INCOME TAX DIVISION HELENA MT 59604-2701 MONTANA DEPT OF REVENUE NATURAL RESOURCE & CORP TAX DV HELENA MT 59620 MONTANA DEPT OF REVENUE PO Box 5835 HELENA MT 59604-5835 MONTANA DEPT OF REVENUE UI CONTRIBUTIONS BUREAU HELENA MT 59604-6339 MONTANA DEPT OF REVENUE LEVY PO Box 5805 HELENA MT 59604-5805 MONTANA DEPT OF TRANSPORATION ACCOUNTING SERVICE BUREAU HELENA MT 59620-1001 MONTANA DEPT OF TRANSPORTATION 3751 WYNNE AVE BUTTE MT 59702 Montana Development Center PO Box 200135 Helena MT 59620-0135 MONTANA ECONOMIC DEVELOPMENT 222 N 32ND ST STE 200 BILLINGS MT 59101 MONTANA ECONOMIC REVITALIZATION 220 N ALASKA St BUTTE MT 59702 MONTANA ELECTRIC COOPERATIVES 501 BAY Dr GREAT FALLS MT 59403 MONTANA ELECTRIC MOTORS 300 HOLMES AVE BUTTE MT 59701-3180 Montana Electric Supply 1723 Lampman Dr Billings MT 59104 MONTANA ELECTRIC SUPPLY 1723 LAMPMAN Dr PO Box 20415 BILLINGS MT 59104 MONTANA EMERGENCY MEDICAL 1425 GRANT ST MISSOULA MT 59801 MONTANA ENERGY EDUCATION COUNCIL 17 HITCHING POST RD BOZEMAN MT 59715-9241 Montana Energy Education Counci 17 Hitching Post Road Bozeman MT 59715 Montana Energy Education Council 17 Hitching Post Road Bozeman MT 59715 Jenny Young 17 Hitching Post Rd Bozeman MT 59717 MONTANA ENERGY SAFETY COUNCIL 222 N 32ND St Ste 904 BILLINGS MT 59101 MONTANA ENTERTAINMENT CORP 2611 BROOKS MISSOULA MT 59801 Montana Environmental Information Cente PO Box 1184 Helena MT 59624 MONTANA EXPO PARK PO Box 1888 GREAT FALLS MT 59403-1888

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 94 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MONTANA FARM BUREAU FEDERATION 502 S 19TH Ste 104 BOZEMAN MT 59718 MONTANA FARM BUREAU FEDERATION SUITE 104 502 SOUTH 19TH BOZEMAN MT 59718 MONTANA FFA FOUNDATION PO Box 172855 BOZEMAN MT 59717-2855 MONTANA FISH WILDLIFE & PARKS PO Box 20071 HELENA MT 59620-0701 MONTANA FLAG & POLE COMPANY 36 S LAST CHANCE GULCH HELENA MT 59601-4126 MONTANA FOOD DISTRIBUTORS ASSN PO Box 5775 HELENA MT 59604 MONTANA GAELIC CULTURAL SOCIETY PO Box 7264 MISSOULA MT 59806 MONTANA GUARANTEED STUDENT LOAN PO Box 203101 HELENA MT 59620-3101 Montana high School Association 1 SOUTH DAKOTA Ave HELENA MT 59601 Montana high School Association James Haugen 1 South Dakota Dr Helena MT 59601 MONTANA HISTORICAL SOCIETY PO Box 201201 HELENA MT 59620 MONTANA HISTORY FOUNDATION 225 N ROBERTS ST HELENA MT 59624-0863 MONTANA HOME SCHOOL ASSOC PO Box 3228 MISSOULA MT 59806 MONTANA HOPE PROJECT 615 "A" S 27TH BILLINGS MT 59101 MONTANA HOPE PROJECT PO Box 5927 HELENA MT 59604 MONTANA INDUSTRIES MACHINE SHOP PO Box 16481 MISSOULA MT 59808 MONTANA INNKEEPERS ASSOCIATION PO Box 1272 HELENA MT 59624 MONTANA INTERNATIONAL INC 3475 MONROE AVE BUTTE MT 59701-3827 MONTANA JOURNALISM REVIEW UNIVERSITY OF MONTANA MISSOULA MT 59812 MONTANA LAW WEEK PO Box 5624 HELENA MT 59604 MONTANA LAW WEEK PO Box 5624 Helena MT 59604-5624 MONTANA LEAGUE OF CITIES & TOWNS PO Box 1704 HELENA MT 59624 Montana League of Cities and Towns Inc 208 N Montana Ave Helena MT 59601 Montana League of Cities and Towns Inc Executive Director 208 N Montana Ave PO Box 1704 Helena MT 596024 MONTANA LEGISLATIVE COUNCIL PO Box 201706 HELENA MT 59620-1706 MONTANA LEGISLATIVE SERVICES DIVISION HELENA MT 59620-1706 MONTANA LIBRARY ASSOCIATION W PARK St BUTTE MT 59701 MONTANA LIMESTONE CO 1717 E INTERSTATE AVE BISMARCK ND 58503-0564 Montana Linemans Rodeo Association 423 Amhurst Cir Folsom CA 95630-7952 MONTANA LINES INC 2800 UPPER RIVER Rd GREAT FALLS MT 59405 MONTANA MAGAZINE PO Box 5630 HELENA MT 59604 MONTANA MANUFACTURING EXT CENTER 313 ROBERTS HALL BOZEMAN MT 59717 Montana Marginal Energy 652 Park Ln Billings MT MONTANA MARGINAL ENERGY DAVID HEALOW 652 PARK Ln BILLINGS MT 59102 MONTANA MARKETING INC 9 N DAVIS ST HELENA MT 59601 Montana Medical Audiology 1600 9th St S Great Falls MT 59405 MONTANA MEGAWATTS I LLC ATTN PRESIDENT 125 S DAKOTA Ave SIOUX FALLS SD 57104 MONTANA MOBILE STORAGE 1500 CLARK FORK LANE MISSOULA MT 59808 MONTANA MOBILE STORAGE 1500 CLARK FORK Ln PO Box 16450 MISSOULA MT 59808 MONTANA MOTOR CARRIER SERV DIV PO Box 4639 HELENA MT 59604-4639 MONTANA MOTOR CARRIERS ASSOCIATION 501 N SANDERS STE 201 HELENA MT 59601 MONTANA MOTOR COACH LTD 281 Arden Dr Belgrade MT 59714-8988 MONTANA NEWSPAPER ASSOCIATION 825 GREAT NORTHERN BLVD Ste 202 HELENA MT 59601 MONTANA OFFICE SYSTEMS INC 1920 BROOKS ST MISSOULA MT 59801-6644 MONTANA ONE CALL CENTER 13 E OREGON St KALISPELL MT 59904 MONTANA ONE CALL CENTER 13 EAST OREGON St PO Box 7968 KALISPELL MT 59904 MONTANA OVERHEAD DOOR ENT PO Box 247 GERALDINE MT 59446 MONTANA PAINT HORSE CLUB 748 JENS Rd GOLD CREEK MT 59748 MONTANA PERFORMING ARTS PO Box 1872 BOZEMAN MT 59771-1872 MONTANA PETROLEUM ASSOCIATION(MPA) 601 EUCLID Ave HELENA MT 59624-1186 MONTANA POWER COMPANY PO Box 5329 HELENA MT 59604 MONTANA POWER GAS COMPANY 950 17TH ST STE 2600 DENVER CO 80202-2828 MONTANA POWER GAS COMPANY GAS MARKETING DEPARTMENT 16 E GRANITE BUTTE MT 59701 MONTANA PROPANE INC 3440 US HIGHWAY 12 E HELENA MT 59601-9745 MONTANA PUBLIC SERVICE COMMISSION 1701 PROSPECT Ave HELENA MT 59620-2601 MONTANA RADIOLOGY PLLC PO Box 4819 HELENA MT 59604 MONTANA RAIL LINK INC PO Box 16390 MISSOULA MT 59808-6390 MONTANA RAIL LINK INC PO Box 16624 MISSOULA MT 59808-6624 MONTANA RAIL LINK INC PO Box 16630 MISSOULA MT 59808 Montana Rail Link Inc MRL PO Box 16624 MISSOULA MT 59808-6624 Montana Rail Link Inc MRL PO Box 16630 MISSOULA MT 59808

MONTANA RAPTOR CONSERVATION CENTER PO Box 4061 BOZEMAN MT 59772-4061 MONTANA RC & D ASSOCIATION 305 W MERCURY St BUTTE MT 59701 MONTANA RC&D ASSOCIATION 10 E BABCOCK ST BOZEMAN MT 59715 MONTANA READY MIX LTD 209 E CEDAR ST BOZEMAN MT 59715-2446 MONTANA REFINING COMPANY 1900 TENTH St NE GREAT FALLS MT 59404-1955 MONTANA RENEWABLE ENERGY ASSOC 436 RED FOX LANE STEVENSVILLE MT 59870 MONTANA RENEWABLE ENERGY ASSOC 800 KENSINGTON Ste 204 MISSOULA MT 59801 MONTANA RESOURCES 600 SHEILDS Ave BUTTE MT 59701 Montana Resources 600 Shields Ave Butte MT 59701 Montana Resources Inc Attn Stephen F Walsh President 600 Shields Ave Butte MT 59701 MONTANA RESOURCES INC (CORP) 600 SHIELDS AVE BUTTE MT 59701-2799 MONTANA SAFETY COUNCIL 1502 LOGAN Ave CHEYENNE WY 82001 Montana School Boards Association Inc One S Montana Ave Helena MT 59601 MONTANA SCHOOL FOR THE DEAF & BLIND FOUNDATION GREAT FALLS MT 59406 MONTANA SCIENCE FAIR COMPUTER SCIENCE DEPTSOCIAL SCIENC MISSOULA MT 59801-5256 MONTANA SCIENCE INSTITUTE 7653 CANYON FERRY RD HELENA MT 59602 MONTANA SECRETARY OF STATE PO Box 202801 HELENA MT 59620-2801 MONTANA SECRETARY OF STATE ROOM 260 STATE CAPITAL HELENA MT 59620-2802 MONTANA SELF INSURERS ASSN 409 AGNES MISSOULA MT 59801 MONTANA SELF INSURERS GUARANTY FUND MISSOULA MT 59806-4133

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 95 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MONTANA SENIOR NEWS PO Box 3363 GREAT FALLS MT 59403-3363 MONTANA SEPTIC SERVICE PO Box 705 GREAT FALLS MT 59403 MONTANA SHRINE EAST WEST ADVER TISING GREAT FALLS MT 59403 MONTANA SIGNWORKS INC 2707 Broadwater AVE HELENA MT 59602 MONTANA SKILLS USA PO Box 4388 HELENA MT 59604 MONTANA SOCIETY OF CPAS 33 S LAST CHANCE GULCH Ste 2 HELENA MT 59601 MONTANA SOCIETY OF CPAS 33 SOUTH LAST CHANCE GULCH Ste 2 PO Box 138 HELENA MT 59601 MONTANA SOCIETY OF ENGINEERS PO Box 20996 BILLINGS MT 59104-0996 MONTANA SPECIAL OLYMPICS PO Box 159 BOZEMAN MT 59771

MONTANA STATE ADJUSTERS ASSOCIATION PO Box 1979 EAST HELENA MT 59635-1979 MONTANA STATE AMATEUR GOLF ASSOC 180 JOHN G MINE RD HELENA MT 59601 MONTANA STATE COUNCIL 971 CLEAR CREEK WAY POLSON MT 59860 Montana State Department of Public Health and Human Services PO Box 202956 Helena MT 59604 Montana State Department of Public Health and Human Services PO Box 4210 Helena MT 59604 MONTANA STATE LIBRARY GIS PO Box 201800 HELENA MT 59620-1800 Montana State Prison PO Box 200135 Helena MT 59620-0135 MONTANA STATE TREASURER PO Box 6309 HELENA MT 59604-6309 MONTANA STATE UNIV FOUNDATION PO Box 172750 BOZEMAN MT 59717-2750 MONTANA STATE UNIVERISTY 119 LINDFIELD HALL BOZEMAN MT 59715-4982 MONTANA STATE UNIVERSITY 280F STRAND UNIOTN BOZEMAN MT 59717-4150 MONTANA STATE UNIVERSITY 354 STRAND UNION BUILDING BOZEMAN MT 59717-4120 MONTANA STATE UNIVERSITY BOBCAT TICKET OFFICE BOZEMAN MT 59717-3380 MONTANA STATE UNIVERSITY OFFICE OF FINANCIAL AID BOZEMAN MT 59717 MONTANA STATE UNIVERSITY PO Box 174106 BOZEMAN MT 59717-4160 Montana State University PO Box 200135 Helena MT 59620-0135 MONTANA STATE UNIVERSITY BILLINGS 1500 N 30TH ST BILLINGS MT 59105 MONTANA STATE UNIVERSITY BILLINGS 1500 UNIVERSITY Dr BILLINGS MT 59101 MONTANA STATE UNIVERSITY BOZEMAN PO Box 172760 BOZEMAN MT 59717-2760

MONTANA STATE UNIVERSITY CONFERENCE 280F STRAND UNION BOZEMAN MT 59717-4150 MONTANA STATE UNIVERSITY EXTENSION 1807 3RD St NW (WESTGATE MALL) GREAT FALLS MT 59404-1922 MONTANA SULPHUR PO Box 31118 BILLINGS MT 59107-1118 MONTANA SUPREME COURT PREVIEWS PO Box 1236 HELENA MT 59624 MONTANA TAX FOUNDATION INC PO Box 4909 HELENA MT 59604 MONTANA TECH 1300 W PARK BUTTE MT 59701 MONTANA TECH FOUNDATION 1300 W PARK ST BUTTE MT 59701-8997 MONTANA TECH FOUNDATION 1315 W PARK ST BUTTE MT 59701-8997 MONTANA TECH FOUNDATION 25 BASIN CREEK RD BUTTE MT 59701 MONTANA TECH OF THE UNIVERSITY OF 1300 W PARK St BUTTE MT 59701 MONTANA TECH OF THE UNIVERSITY OF 1300 WEST PARK St BUTTE MT 59701 MONTANA TECH SOC OF PETROLEUM ENGI 1300 W PARK St BUTTE MT 59701 MONTANA TELECOMMUNICATIONS 208 N MONTANA STE 207 HELENA MT 59601 MONTANA TOOL COMPANY 1908 NORTH Ave W MISSOULA MT 59801 MONTANA TRIAL LAWYERS ASSN 1 N LAST CHANCE GULCH HELENA MT 59601 MONTANA TRUCK BODIES PO Box 16450 MISSOULA MT 59808 MONTANA TRUST FOR UNLOCATABLE PO Box 5805 HELENA MT 59604-5805 MONTANA TUNNELS PO Box 176 JEFFERSON CITY MT 59638 Montana Tunnels Mining Incorporated Attn General Manager PO Box 176 Jefferson City MT 59638 MONTANA UTILITIES COORDINATING 140 WEDGEWOOD LANE HELENA MT 59601 MONTANA VICA ASSOCIATION PO Box 202501 HELENA MT 59620-2501 MONTANA VIDEO PRODUCTIONS INC 3047 FORSYTHIA Blvd BILLINGS MT 59102 MONTANA WASTE SYSTEMS PO Box 2645 GREAT FALLS MT 59403-2645 MONTANA WATER RESOURCES ASSN PO Box 4927 HELENA MT 59601 MONTANA WEED CONTROL ASSOCIATION PO Box 764 BRIDGER MT 59104 MONTANA WESTERN RAILWAY CO INC 300 W COMMERCIAL AVE ANACONDA MT 59711-2171 MONTANA WILDLIFE FEDERATION PO Box 1175 HELENA MT 59624-1175 MONTANA WINTER FAIR INC PO Box 1098 Lewistown MT 59457-1098 MONTANA WOOD PRODUCTS ASSN PO Box 1149 HELENA MT 59624-1149 MontanaDakota Utilities Co 400 N Fourth St Bismarck ND 58501

MONTANADAKOTA UTILITIES CO A DIVISION OF MDU RESOURCES GROUP INC BISMARCK ND 58501 MontanaDakota Utilities Co c o Secretary Northwestern National Bank Building 400 N St Huron SD 57350 MONTCOCA LLC 1008 S Ave W MISSOULA MT 59801-7909 MONTE DOLACK 139 W FRONT MISSOULA MT 59807 MONTEITH WELDING 318 MAIN AVE S BROOKINGS SD 57006 Montgomery Kone Inc 2511 W 5TH ST SIOUX FALLS SD 57104-5634 MONTGOMERY PURDUE BLANKENSHIP & 701 FIFTH Ave SEATTLE WA 98104-7098 MONTGOMERYS FURNITURE 1312 W HAVENS MITCHELL SD 57301 MONTY OBRYANT 3556 KEIR LANE HELENA MT 59602 MONY LIFE OF AMERICA 100 PARK PLACE STE 220 SAN RAMON CA 94583 MOODY COUNTY ENTERPRISE PO Box 71 FLANDREAU SD 57028 MOODYS INVESTORS SERVICE 99 CHURCH St NEW YORK NY 10007 MOONEY CONTROLS PO Box 120001 DALLAS TX 75312-0787 MOONLIGHT WELDING 266 LOWER LYNCH PLAINS MT 59859 MOORE FARMERS OIL COMPANY 113 FERGUS Ave MOORE MT 59464 Moore Hearing PC 22 Village Loop Kalispell MT 59901 MOORE HIGH SCHOOL 509 HIGHLAND Ave MOORE MT 59464 MOORE INFORMATION 178 SW HARRISON ST PORTLAND OR 97201 MOORE QUALITY FLYING PO Box 436 ROUNDUP MT 59072

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 96 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MOORE SYNDICATION INC 3349 INDEPENDENCE DR BIRMINGHAM AL 35209 MORAN KIM 1130 W SILVER ST BUTTE MT 597011430 Morgan Keegan & Co Inc c o ADP MORGAN LUMBER COMPANY 625 W INDIAN CREEK Rd COLLINWOOD TN 38450 MORGAN STANLEY 1585 Broadway NEW YORK NY 10036 Morgan Stanley c o ADP Morgan Stanley & Co Incorporated 1221 Avenue of the Americas 5th F New York NY 10020 Morgan Stanley & Co Incorporated Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 MORGANS MONOGRAMMING 522 N DEWEY NORTH PLATTE NE 69101 MORIARTY RENTAL PO Box 705 BROOKINGS SD 57006-0705 MORLOCK INC PO Box 14621 PHOENIX AZ 85063 MORNING LIGHT COFFEE ROASTERS 900 2ND AVE N GREAT FALLS MT 59401-2612 MORNING MILLENIUM ROTARY CLUB PO Box 894 GREAT FALLS MT 59403 MORRIS MARKETING CO INC 1480 CONTINENTAL Dr BUTTE MT 59701-5103 MORRIS MINEMYER PO Box 1081 PLAINS MT 59859 Morrison Maierle Inc 910 Helena Ave Helena MT 59604 Morrison Maierle Inc 910 Helena Ave Helena MT 59604-6147 MorrisonKnudsen Company Inc 319 Broadway Boise ID MORTON SAFETY 1112 S COMMERCIAL St NEEHAH WI 54956 MOSCH ELECTRIC MOTORS INC 2513 17TH St NE BLACK EAGLE MT 59414-1095 MOSS MANSION HISTORIC HOUSE 914 DIVISION St BILLINGS MT 59101 MOSSEY PAINTING RT 2 BOX 2324 LEWISTOWN MT 59457 MOTEL SIX 1309 S OHLMAN MITCHELL SD 57301 Mother Joseph Manor 1002 N Jay St Aberdeen SD 57401-2439 MOTHER LODE THEATER PO Box 522 BUTTE MT 59703-0522 MOTHERS AGAINST DRUNK DRIVING PO Box 152241 IRVING SD 75015-2241 MOTIENT PO Box 791165 BALTIMORE MD 21279-1165 MOTOR ENGINEERING WORKS PO Box 1052 GRAND ISLAND NE 68802 MOTOR POWER EQUIPMENT COMPANY 4941 MIDLAND Rd BILLINGS MT 59101 MOTOROLA PO Box 93042 CHICAGO IL 60673-3042 MOTOROLA C & E INC 1307 E ALGONQUIN RD SCHAUMBURG IL 60196 MOTOROLA C & E INC 4603 ALKALI CRE RD BILLINGS MT 59106 MOTOROLA COMUNICATIONS AND ELECTRONICS INC 1301 E ALGONQUIN ROAD SCHAUMBURH IL 60196 MOTOROLA INC 20 INVERNESS PLACE E ENGLEWOOD CO 80112 MOTOROLA INC 3761 SE CENTRAL Ave ROCKFORD IL 61102 MOTOROLA SYSTEM SUPPORT 2214 GALVIN Dr ELGIN IL 60123 MOUNT MARTY COLLEGE 1105 W 8TH ST YANKTON SD 57078 MOUNTAIN BANKWEST PO Box 7070 KALISPELL MT 59901 MOUNTAIN CAD INC PO Box 728 MISSOULA MT 59806 MOUNTAIN EQUIPMENT OF MONTANA 101 SUNFIELD DR BELGRADE MT 59714 Mountain Excavation Co 719 N Haggin Red Lodge MT 59068 MOUNTAIN EXCAVATION CO PO Box 563 RED LODGE MT 59068 MOUNTAIN GOAT COURIERS INC PO Box 8833 MISSOULA MT 59807-8833 MOUNTAIN MEADOW INN 2245 HEAD LANE HELENA MT 59602 MOUNTAIN MEADOW MASONRY 229 SOUTH K St LIVINGSTON MT 59047 MOUNTAIN PAGING NETWORK INC PO Box 7968 KALISPELL MT 59904-0968 MOUNTAIN PATROL SEARCH & RES CUE OF CASCADE COUNTY GREAT FALLS MT 59403-2804 MOUNTAIN POWER CONSTRUCTION COMPANY 4908 INDUSTRIAL Ave COUER DALENE ID 83815 MOUNTAIN PRESS PUBLISHING COMPANY PO Box 2399 MISSOULA MT 59806 MOUNTAIN SHEET METAL INC 6693 LYNX LN BOZEMAN MT 59715-9426 MOUNTAIN STATES IMAGING PO Box 30091 OMAHA NE 68103-0091 MOUNTAIN STATES OIL COMPANY 480 CONTINENTAL Dr BUTTE MT 59701 MOUNTAIN SUPPLY COMPANY 210 E GRIFFIN Dr BOZEMAN MT 59715 MOUNTAIN VIEW CO OP 1000 SMELTER Ave GREAT FALLS MT 59404 MOUNTAIN VIEW CONTRACTING PO Box 16113 MISSOULA MT 59808 MOUNTAIN VIEW MED CENTER JEFFREY ZAVALA MD RED LODGE MT 59068 MOUNTAIN WATER COMPANY PO Box 7019 DOWNEY CA 90241-7019 Mr Brian D Altman Transmission Account Executive Bonneville Power Administration P O Box 61409 Vancouver WA 98666-1409 Mr Claude Kraft Midcontinent Cable Systems Co of SD PO Box 910 Aberdeen SD 57401 MR DON JENNI PO Box 2228 LEWISTOWN MT 59457-9623 Mr Jack W Schaefer President 1111 S Miller Mitchell SD 57301 MR JAMES SIEVERS 2292 E RIVER Rd LIVINGSTON MT 59047 Mr Joe H Floyd Midcontinent Broadcasting Co Sioux Falls SD 57102

Mr John Forkan Local #41 Mr Don Halverson Local #459 1026 South Fifth St W Missoula MT 59703 PO Box 3172 Butte MT 59702 MR JOSEF STAUFER 100 E MEADOW Dr VAIL CO 81657 MR LEE TAVENNER 400 W FRANKLIN MISSOULA MT 59801 Mr Stan Dupree Business ManagerFinancia Secretary Local 44 IBEW PO Box 3467 Butte MT 59702 Mr Steve Gentry PACE International Union AFLCIO CLC PO Box 21555 Billings MT 59104 Mr Terry Thomas Cable TV Associates Inc Box 111 Redfield SD 57469 Mr Tom Vanek Kalispell Unit Hourly Gas Employees PO Drawer 9888 Kalispell MT 59904 MRS ELMER MURRAY 901 PENNSYLVANIA AVE DEER LODGE MT 59722 MRS HELEN HERRIG 1710 LAUREL St HELENA MT 59601-1637 MRS HELEN TUCKER 6 N YELLOWSTONE BOZEMAN MT 59715 MRS JAKE KRISKOVICH 1401 MISSOURI BUTTE MT 59701

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 97 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MRS LEW JACKSON 2531 EDWARDS BUTTE MT 59701 MRS ROSE DAWES 301 W FRONT No902 MISSOULA MT 59802 MS 150 BIKE TOUR PO Box 1019 LAKESIDE MT 59922 MS SOCIETY 1365 VAN ORSDEL RD HELENA MT 59602 MSE BUTTE PO Box 4078 BUTTE MT 59701 MSE TECHNOLOGY APPLICATIONS 200 TECHNOLOGY WAY BUTTE MT 59701 MSE TECHNOLOGY APPLICATIONS 200 TECHNOLOGY WAY PO Box 4078 BUTTE MT 59701 MSE Technology Applications Inc 200 Technology Way PO Box 4078 Butte MT 59702-4078 MSE TECHNOLOGY APPLICATIONS INC PO Box 4078 BUTTE MT 59702 MSE Technology Applications Inc Tetragenics Division PO Box 4078 Butte MT 59702 MSE Technology Applications Inc Tetragenics Division 200 Technology Way Butte MT 59702 MSHA 500 WILDWOOD MITCHELL SD 57301 MSU ATHLETICS No1 BOBCAT CIRCLE BOZEMAN MT 59717-3380 MSU AUXILIARY SERVICES PO Box 172080 BOZEMAN MT 59717-2080 MSU BILLINGS COLLEGE OF TECHNOLOGY BILLINGS MT 59102 MSU BILLINGS ATHLETICS 1500 UNIVERSITY Dr BILLINGS MT 59101 MSU BILLINGS FOUNDATION 1500 N 30TH St BILLINGS MT 59101 MSU NORTHERN PO Box 7751 HAVRE MT 59501 MSU NORTHERN ATHLETIC DEV FUND PO Box 7751 HAVRE MT 59501 MSU NORTHERN FOUNDATION PO Box 1691 HAVRE MT 59501 MT & RC SMITH INSURANCE INC PO Box 1077 YANKTON SD 57078-1077 MT COUNCIL/BOY SCOUTS OF AMERICA 820 17TH Ave S GREAT FALLS MT 59405 MT DEPARTMENT OF AGRICULTURE/ASD PO Box 200201 HELENA MT 59620-0201

MT DEPARTMENT OF NATURAL RESOURCES 48 NE LAST CHANCE GULCH HELENA MT 59620-1601 MT DEPT OF COMMERCE 301 S PARK HELENA MT 59620 MT DEPT OF ENVIRONMENTAL QUALITY 1520 E SIXTH HELENA MT 59620-0901 MT DEPT OF ENVIRONMENTAL QUALITY PO Box 200901 HELENA MT 59620-0901 MT DEPT OF FISH WILDLIFE & PARKS PO Box 200701 HELENA MT 59620 MT DEPT OF LABOR & INDUSTRY PO Box 1728 HELENA MT 59624-1728 MT DEPT OF NATURAL RESOURCES & AIRPORT INDUSTRIAL PARK BILLINGS MT 59105-1978 MT LUBE & OIL PLUS 1514 N MONTANA AVE HELENA MT 59601 MT SENIOR CITIZENS ASSN INC PO Box 423 HELENA MT 59624 MT TECH DIVISION OF TECHNOLOGY 25 BASIN CREEK Rd BUTTE MT 59701 MT VERNON AFTER PROM 25740 400TH AVE MT VERNON SD 57363 MT VERNON GAS & OIL 104 S EARL MT VERNON SD 57363 MT VERNON PUBLIC SCHOOL N MAIN MOUNT VERNON SD MT WEST LUMBER 3280 RASER DR MISSOULA MT 59808 MTI FOUNDATION 821 N CAPITAL MITCHELL SD 57301 MTN UTILITY CONSTRUCTION & DESIGN 1216 CHESTNUT PO BOX 4429 HELENA MT 59604 MTN UTILITY CONSTRUCTION & DESIGN PO Box 4429 HELENA MT 59604-4429 MTU 125 SE DAKOTA AVE SIOUX FALLS SD 57104 MUCC/UULC A F BUD CRINER HELENA MT 59601-0171 MUELLER CO 500 W EL DORADO DECATUR IL 62522 MUELLER COMPANY DEPT CH10328 PALATINE IL 60055-0328 MUELLER LUMBER COMPANY PO Box 943 MITCHELL SD 57301 MULLAN TRAIL CATERING COMPANY 11600 MUILLAN Rd MISSOULA MT 59808 MULLINIX ANGIE PO BOX 1169 LOS ANGELES CA 90078-1169 MULTEXCOM INC PO Box 414638 BOXTON MA 02241-4638 MULTI LINK INC 225 INDUSTRIAL PARKWAY NICHOLASVILLE KY 40356 MULTI SERVICE PO Box 930747 KANSAS CITY MO 64193-0747 MULTI SERVICE CORPORATION 8650 W COLLEGE Blvd OVERLAND PARK KS 66210 MULTIFORCE SYSTEMS CORPORATION 101 WALL St PRINCETON NJ 08540 MULTIPLE SCLEROSIS ASSOCIATION 600 CENTRAL PLAZA Ste 13 GREAT FALLS MT 59401 MULTIPLE SCLEROSIS SOCIETY 1629 Ave D2 C BILLINGS MT 59102

MUNICIPAL ENERGY AGENCY OF NEBRASKA PO Box 95124 LINCOLN SD 68509 Municipal Leasing Credit Corporation 9200 Glenwood Ste 104 Overland Park KS MUNICIPAL LIGHT & WATER PO Box 490 NORTH PLATTE NE 69103-0490 MUNICIPAL UTILITIES 901 4TH AVE SW WATERTOWN SD 57201 MUNICIPAL UTILITIES PO Box 1369 HURON SD 57350 Muriel Zyto 42 Andrea Drive North Caldwell NJ 07006 Muriel Zyto The Depository Trust Company 55 Water St 49th Fl New York NY 10041 MURPHY BROS INC 3150 FIFTH Ave MOLINE IL 61244 MURPHY TRACTOR & EQUIPMENT CO 3105 RODEO RD NORTH PLATTE NE 69103 MURRAYS ROOFING 740 E 4TH COLBY KS 67701 MURRAYS SUPPLY 335 18TH ST SW HURON SD 57350-3813 Musak Communications PO Box 4050 Butte MT 59702 MUSCATINE POWER & WATER 3205 CEDAR ST MUSCATINE IA 52761 MUSCULAR DYSTROPHY ASSOCIATION 439 13TH SE HURON SD 57350 MUSEUM OF THE ROCKIES 600 W KAGY BLVD BOZEMAN MT 59717-2730 MUSICLAND GROUP PO Box 1245 MINNEAPOLIS MN 55440-1245 MUSSELSHELL COUNTY AIRPORT FUND 506 MAIN ROUNDUP MT 59072

MUSSELSHELL COUNTY CLERK & RECORDER 506 MAIN St ROUNDUP MT 59072 MUSSELSHELL COUNTY ROAD DEPT 506 MAIN St ROUNDUP MT 59072 MUSSELSHELL COUNTY TREASURER COURTHOUSE ROUNDUP MT 59072 MUSTANG MFG INC 2401 LOCKHEED WAY CARSON CITY NV 89706 MUTCHELKNAUS DAWN 38622 202ND St WOLSEY SD 57384 MUTH CONSULTING ENGINEERS 1620 REGENT ST C MISSOULA MT 59801-5676 MUTH ELECTRIC INC PO Box 1400 MITCHELL SD 57301

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country MUZAK COMMUNICATIONS PO Box 4050 BUTTE MT 59702-4050 Muzak Communications PO Box 4050 Butte MT 59702 MVR CONSULTING SERVICES INC 1704 S CLEVELAND Ste 3 SIOUX FALLS SD 57101 MYERS HEATING & AIR CONDITIONING IN 318 E CAPITAL AVE GRAND ISLAND NE 68801 MYERS SANITATION PO Box 375 AVON SD 57315 MYLON C JACOBS SUPPLY COMPANY 2614 S RARITAN CR ENGLEWOOD CO 80110 MYRL & ROYS PAVING INC 1300 N BAHNSON AVE SIOUX FALLS SD 57103 MYRON CORPORATION PO Box 802616 CHICAGO IL 60680-2616 MYRON NIEDFELT RR6 BOX 225 GRAND ISLAND NE 68801 MYRTLE MARJAMA 2625 GEORGE ST BUTTE MT 59701 N H INDUSTRIES INC PO Box 260141 LAKEWOOD CO 80226 N I L E PO Box 1981 BILLINGS MT 59103 N J & SONS ASPHALT PO Box 1017 GRAND ISLAND NE 68802 N O NELSON COMPANY OF NEBRASKA 817 AVE B SCOTTSBLUFF NE 69363 NACE INTERNATIONAL PO Box 201009 HOUSTON TX 77216-1009 NACE INTERNATIONAL PO Box 218340 HOUSTON TX 77218-8340 NACOLAH 100 PARK PLACE STE 220 SAN RAMON CA 94583 NAGEL FRANCIS RR1 BOX 31A SPRINGFIELD SD NAGY BURNER CONTROL 4518115 Ave EDMONTON AB T5M 3B9 Canada NAI BUSINESS PROPERTIES LLC 288 S RESERVE St MISSOULA MT 59806 NALIVKAS PIZZA & CATERING KTHN 1032 1ST ST HAVRE MT 59501 NAMI MT PO Box 1021 HELENA MT 59624-1021 NANCY ELLIS 5391 SALISH RD BLAINE WA 98230-9544 NANCY FERGUSON 4 N DAKOTA DILLON MT 59725 NANCY FERGUSON 4 NE DAKOTA DILLON MT 59725 NANCY JOHNSON 1724 ERNEST AVE MISSOULA MT 59801-8310 NANCYS MOWING PO Box 85 ETHAN SD 57334 NANCYS PASTY SHOP 2810 PINE St BUTTE MT 59701 NAPA AUTO PARTS PO Box 368 SHELBY MT 59474 NAPA THE PARTS STORE PO Box 326 KEARNEY NE 68848 Narragang Holding Corporation 415 S Main St Aberdeen SD Narragang Holding Corporation Attn Art Russo Po Box 1532 Aberdeen SD 57402-1532 Narragang Holding Corporation Po Box 1532 Aberdeen SD 57402-1532 Narregang Holding Corporation 401 S Main St Aberdeen SD 57401 Narregang Holding Corporation Po Box 1532 Aberdeen SD 57402-1532 NARUC 1101 VERMONT AVE NW STE 200 WASHINGTON DC 20005 NARUC 1101 VERMONT AVEE NW STE 200 WASHINGTON DC 20005 Nash Enterprises Inc PO Box 16141 Missoula MT 59808-6141 NASHUA HIGH SCHOOL PO Box 170 NASHUA MT 59248 NASSAU/ROCKMOUNT PO Box 2909 VANCOUVER WA 98668 Natalie Andersen 420 E 64TH ST NEW YORK NY 10021 NATHAN H LOEWEN MD 433 KANSAS AVE SE HURON SD 57350 NATIONAL ASSOC OF LEGAL ASSISTANTS 1516 S BOSTON Ste 200 TULSA OK 74119 NATIONAL ASSOCIATION ENVIRONMENTAL PO Box 21369 WASHINGTON DC 20009 NATIONAL ASSOCIATION OF 1515 E 11TH MILE RD ROYAL OAK MI 48068-0220 NATIONAL ASSOCIATION OF 1707 L ST NW STE 560 WASHINGTON DC 20036 NATIONAL ASSOCIATION OF PO Box 21639 CONCORD CA 94521 NATIONAL ASSOCIATION OF PO Box 763 SIOUX FALLS SD 57101-0763 NATIONAL ASSOCIATION OF LEASE & PO Box 61056 HOUSTON TX 77208-1058 NATIONAL AUTOMOBILE DEALERS DEPARTMENT 266 WASHINGTON DC 20042-0266 NATIONAL BODY & PAINT SPECIALIST 1444 NATIONAL AVE HELENA MT 59601 NATIONAL BUSINESS AVIATION ASSOC 1200 EIGHTEENTH St NEWE STE 4 WASHINGTON DC 20036-2598 NATIONAL BUSINESS AVIATION ASSOCIAT 1200 EIGHTEENTH ST Ste 400 WASHINGTON DC 20036-2527 NATIONAL CENTER FOR APPROPRIATE PO Box 3838 BUTTE MT 59702 NATIONAL CHILD SAFETY COUNCIL PO Box 1368 JACKSON MI 49204 NATIONAL CHILD SAFETY COUNCIL SHERIFFS OFFICE MADISON SD 57042 NATIONAL CRIME PREVENTION COUNCIL SPECIAL PRODUCTS OFFICE AMSTERDAM NY 12010 NATIONAL ELECTRICAL SEMINARS PO Box 45408 OMAHA NE 68145-0408 NATIONAL FEDERATION OF PARALEGAL 2517 Eastlake Ave E Ste 200 Seattle WA 98102-3278 National Financial Services LLC c o ADP NATIONAL FIRE SAFETY COUNCIL PO Box 378 MICHIGAN CITY MI 49254 NATIONAL GAS & ELECTRIC LP CONTRACT ADMINISTRATION 3555 TIMMONS Ste 1500 HOUSTON TX 77027 NATIONAL GRID COMPANY 4651 CROSSRdS PARK Dr LIVERPOOL NY 13088 NATIONAL INFO TECH CENTER (NIC) 525K E MARKET St No302 LEESBURG VA 20176 NATIONAL INVESTOR RELATIONS INSTITU 8020 TOWERS CRESCENT DR STE 250 VIENNA VA 22182 National Investor Services Corp c o ADP NATIONAL INVSTOR RELATIONS INSTITUT 8020 TOWERS CRESCENT DRIV Ste 250 VIENNA VA 22182 NATIONAL JOINT APPRENTICESHIP PO Box 75399 BALTIMORE MD 21275 NATIONAL KIDNEY FOUNDATION OF SD 400 S SYCAMORE AVE Ste 104 SIOUX FALLS SD 57110 NATIONAL PARK HOSPITALITY ASSOC 3701 COURT HOUSE DR ELLICOTT CITY MD 21043 NATIONAL PARK SERVICE PO Box 168 YELLOWSTONE NATIONAL PARK WY 82190-0168 NATIONAL PARK SERVICE PO Box 168 YELLOWSTONE NATL PARK WY 82190-0168 NATIONAL PRESS CLUB 14TH & F StS NW WASHINGTON DC 20045 NATIONAL SAFETY COUNCIL PO Box 429 ITASCA IL 60143-0429 NATIONAL SPEAKERS BUREAU 14047 W PETRONELLA DR STE 102 LIBERTYVILLE IL 60048 National Union Fire Insurance Company of Pittsburgh Pa, et al AIG Law Department Bankruptcy David A Levin Esq 70 Pine Street 31st Floor New York NY 10270 NATIONAL UTILITIES SERVICES 13041 N 35TH AVE Ste C3 PHOENIX AZ 85029 NATIONAL UTILITY EQUIPMENT CO LLC HIGHWAY No87 GSC No3 CALERA AL 35040 NATL MULTIPLE SCLEROSIS SOCIETY 3800 W Technology Cir Ste 201 SIOUX FALLS SD 57106-4210 NATSOURCE 140 Broadway 30TH Fl NEW YORK NY 10005 NATURAL GAS EXCHANGE INC 1404TH Ave SW Ste 2330 CALGARY AB T2P 3N3 Canada

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 99 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country NATURAL GAS EXCHANGE INC SUITE 2330 140 4TH Ave SW CALGARY AB T2P 3N3 NATURAL GAS ODORIZING INC 3601 DECKER DR BAYTOWN TX 77522-1429 NATURAL GAS PROCESSING PO BOX 841 WORLAND WY 82401 NATURAL GAS SERVICES INC PO Box 997 MISSOULA MT 59806 NATURAL TOUCH PO Box 85302 SIOUX FALLS SD 57118-5302 NAV CANADA 9632STATIO OTTAWA ON K1G 6H1 Canada NAVIGANT CONSULTING INC 135 S LASALLE DEPT 3720 CHICAGO IL 60674-3720 NCEA 2901 METRO Dr Ste 204 BLOOMINGTON MN 55425-1556 NCF GRAPHIC SOLUTIONS PO Box 80368 BILLINGS MT 59108 NCR CORPORATION 2803 DUMBARTON BILLINGS MT 59101 NCR CORPORATION PO Box 730146 DALLAS TX 75373-0146 NE Business Hall of Fame Scholarsh PO Box 95128 LINCOLN NE 68509 Neal J Levitsky Esquire Fox Rothschild LLP 919 N Market St Suite 1300 PO Box 2323 Wilmington DE 19899-2323 NEB BLUE FLAME GAS ASSOCIATION PO Box 80401 LINCOLN NE 68501-0401 NEBRASKA CHAMBER OF PO Box 95128 LINCOLN NE 68509

NEBRASKA CHAMBER OF COMMERCE & INDU PO Box 95128 LINCOLN NE 68509 NEBRASKA CHILD SUPPORT PAYMENT PO Box 82890 LINCOLN NE 68501-2890

NEBRASKA CHILD SUPPORT PAYMT CENTER PO Box 82890 LINCOLN NE 68501-2890 NEBRASKA COMMUNITY IMPROVEMENT 1818 CAPITOL AVE OMAHA NE 68102 NEBRASKA COMMUNITY IMPROVEMENT PROG 501 W 6TH ST PAPILLION NE 68846 NEBRASKA COUNTY ASSESSORS ASSO PO Box 468 OSHKOSH NE 69154 NEBRASKA CRANE DIV OF DAB INC 73779 RD 438 BERTRAND NE 68927 NEBRASKA DEPARTMENT OF REVENUE Attn Bankruptcy Unit PO Box 94818 LINCOLN NE 68509-4818 NEBRASKA DEPARTMENT OF REVENUE PO Box 94818 LINCOLN NE 68509-4818 NEBRASKA DEPARTMENT OF REVENUE PO Box 98915 LINCOLN NE 68509-8915 NEBRASKA DEPT OF MOTOR VEHICLE PO Box 94789 LINCOLN NE 68509 NEBRASKA HEALTH & HUMAN SERVIC PO Box 95026 LINCOLN NE 68509 NEBRASKA MDA 311 E 22ND GRAND ISLAND NE 68801 NEBRASKA NATURAL GAS PIPELINE 246 S 14TH LINCOLN NE 68508 NEBRASKA PUBLIC POWER DISTRICT Attn: Barb Stutz PO Box 499 Columbus NE 68602-0499 NEBRASKA PUBLIC POWER DISTRICT PO Box 2170 KEARNEY NE 68848-2170 NEBRASKA PUBLIC POWER DISTRICT PO Box 499 COLUMBUS NE 68602-0499 NEBRASKA SAFETY & FIRE EQUIP PO Box 1229 NORTH PLATTE NE 69103-1229 NEBRASKA SAFETY COUNCIL PO Box 30578 LINCOLN NE 68503-0578 NEBRASKA SECRETARY OF STATE PO Box 94608 LINCOLN NE 68509 NEBRASKA STATE BAR ASSOC 635 S 14TH ST LINCOLN NE 68501 NEBRASKA STATE ELEC COMMISSION PO Box 95066 LINCOLN NE 68509-5066 NEBRASKA STATE FIRE MARSHALS OFFIC 246 S 14TH LINCOLN NE 68508 NEBRASKA STATE TREASURER PO Box 94788 LINCOLN NE 68509 NEBRASKA SUPREME COURT PUB OFC 1220 STATE CAPITOL BLDG LINCOLN NE 68509-8910 NEBRASKA TRANSPORT CO INC PO Box 1646 SCOTTSBLUFF NE 69361 NEBRASKA TRUCK CENTER INC PO Box 2258 GRAND ISLAND NE 68802 NEBRASKA UNCLAIMED PROPERTY DIVISIO PO Box 94788 LINCOLN NE 68509 NEBRASKA UNEMPLOYMENT PO Box 94600 LINCOLN NE 68509

NEBRASKA UNEMPLOYMENT COMPENSATION PO Box 94600 LINCOLN NE 68509-4600 NEBRASKALAND DAYS PO Box 706 NORTH PLATTE NE 69103-0706 NECS 550 W 36TH ST JASPER IN 47546 NED TRANEL 1645 AVE D Ste E BILLINGS MT 59101 NED TRANEL 1645 AVE D Ste E BILLINGS MT 59102 NEHRING ELECTRICAL PRO WORKS 5528 HOLIDAY Ave BILLINGS MT 59101 NEHRING ELECTRICAL PRO WORKS 5528 HOLIDAY Ave PO Box 80333 BILLINGS MT 59101 NEHRING ELECTRICAL WORKS CO 135 S LA SALLE ST DEPT No2843 CHICAGO IL 60674-2843 NEIGHBORHOOD HOUSING SVCS PO Box 589 GREAT FALLS MT 59403 NEIHART VOLUNTEER FIRE DEPT 103 CARPENTER CREEK RD NEIHART MT 59465 NEIL JANNUSCH PO Box 248 VALIER MT 59486 NEIL OWENS CARPENTRY No4 PICKLE DOG LANE DEER LODGE MT 59722 NEILL WINDECKER 2469 ADEL LANE CASCADE MT 59421 Nekota Resources Inc 33 Third St SE Huron SD 57350 NEKOTA RESOURCES INC 4930 S WESTERN AVE PO BOX 88130 SIOUX FALLS SD 57109-8130 NELLIE CLAWSON PO Box 404 DRUMMOND MT 59832-0404 NELSON AUTO & ELECTRIC INC PO Box 151 ABERDEEN SD 57402-0151 NELSON BROWN EQUITIES INC PO Box 3027 PORTLAND OR 97208 NELSON PROMOTIONS PO Box 350109 GRANTSDALE MT 00000 NELSON TECHNOLOGIES INC 9701 VALLEY VIEW RD EDEN PRAIRIE MN 55344 NEMONT TELEPHONE COOPERATIVE PO Box 600 SCOBEY MT 59263-0600 NEOPOST INC PO Box 45800 SAN FRANCISCO CA 94145-0800 NEPSTADS FLOWERS & GIFTS 1122 N MAIN ST MITCHELL SD 57301 Nerregang Holding Corporation 506 S Main St Aberdeen SD 57401 NETPATH SYSTEMS 1152 WEST 2400 S Ste C SALT LAKE CITY UT 84119 Nettie Goldstein & Melvin Goldstein 64 Cherrywood Rd Yonkers NY 10710 NETWORK ASSOCIATES INC 3955 FREEDOM CIRCLE SANTA CLARA CA 95054 NETWORK MUSIC 15150 Ave OF SCIENCE PO Box 31001 1697 SAN DIEGO CA 92128 Neuberger Berman LLC c o ADP neumayr pharmacy PO Box 430 parkston SD 57366-0430 neumayr pharmacy PO Box 430 parkston SD 00000 NEUROLOGICAL ASSOCIATES PC 554 W Broadway ST No1 MISSOULA MT 59802-4008 NEVADA LEGAL PRESS 3301 S MALIBOU AVE PAHRUMP NV 89048 NEVADA SECRETARY OF STATE 202 N CARSON ST CARSON CITY NV 89701-4201

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 100 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country NEW CONCEPT INC PO Box 501 HAVRE MT 59501-0501 NEW HAMPSHIRE DEPT OF REV PO Box 637 CONCORD NH 03302-0637 NEW HOPE PREGNANCY SUPPORT 320 S IDAHO BUTTE MT 59701

NEW HOPE PREGNANCY SUPPORT CENTER 320 S IDAHO BUTTE MT 59701 NEW HORIZONS COMPUTER LEARNING 2727 Central Ave Billings MT 59102 NEW JERSEY FAMILY SUPPORT PO Box 4880 TRENTON NJ 08650 NEW LIFE FOUNDATION CHURCH PO Box 1212 LAUREL MT 59044 NEW MEDIA BROADCASTERS INC 2210 31ST ST N HAVRE MT 59501-8003 NEW MEXICO STATE CORPORATION PO Box 1269 SANTA FE NM 87504-1269 NEW MEXICO STATE PUBLIC REGULATION PO Box 1269 SANTA FE NM 87504-1269 NEW MEXICO TAXATION & REV DEPT PO Box 25127 SANTA FE NM 87504-5127 NEW PIG CORPORATION ONE PORK AVE TIPTON PA 16684-0304 NEW ROYAL PROPERTIES 232 3RD ST SW HURON SD 57350 NEW ULM TELECOM 400 2ND N NEW ULM MN 56073-0697 NEW WORLD VAN LINES 5875 N ROGERS AVE CHICAGO IL 60646 NEW YORK DEPARTMENT OF STATE 41 STATE St ALBANY NY 12231-0002 NEW YORK LIFE INSURANCE & ANNUITY 51 MADISON Ave NEW YORK NY 10010 NEW YORK STATE CORPORATION TAX PO Box 22109 ALBANY NY 12201-2109 NEW YORK STATE DOT 7150 REPUBLIC AIRPORT RM 216 FARMINGDALE NY 11735-3930 NEW YORK STOCK EXCHANGE PO Box 4530 NEW YORK NY 10163 NEWARK ELECTRONICS 11128 JOHN GALT BLVD OMAHA NE 68137 NEWARK INONE 4725 PARIS Ste 1000 DENVER CO 80239-2803 NEWARK INONE PO Box 94151 PALATINE IL 60094-4151 NEWCO PRINTING SUPPLY COMPANY 111 PRESS LANE CHULA VISTA CA 91910-1093 NEWCOURT LEASING CORP PO Box 73939 CHICAGO IL 60673-7939 NEWELL PORCELAIN COMPANY INC PO Box 3722 BUTTE MT 59702-3722 NEWGENWIRELESS INC 1404 CARDINAL TERRACE AZLE TX 76020 NEWSDATA CORPORATION PO Box 900928 SEATTLE WA 98109 NEWSPAPER AGENCY CORPORATION PO Box 45838 SALT LAKE CITY UT 84145-0838

NEWSWEEK PROFESSIONAL SUBSCRIPTION PO Box 59954 BOULDER CO 80322-9954 NEWTON HYDRO & METER PROVING INC PO Box 97 GLENCOE OK 74032 NEXANT INC 1921 S ALMA SCHOOL RD Ste 207 MESA AZ 85210-3038 Nextel West Corp 4245 S 143rd St Omaha NE 68137 NFPA PO Box 9689 MANCHESTER NH 03108-9689 NFPA PO Box 9689 MANCHESTER NH 03108-9806 NFS/FMTC ROLLOVER IRA 56 E BURLINGTON Ave FAIRFIELD IA 52556 NGK LOCKE INC 9317B NE HWY 99 VANCOUVER WA 98665 NIAGARA MOHAWK 4651 CROSSROADS PARK Dr LIVERPOOL NY 13088 NICE N CLEAN PO Box 423 KEARNEY NE 68848 NICHOLS GIVEN 7108 S ALTON WAY BLDG K ENGLEWOOD CO 80112 NICK CAMPBELL 839 POLY Dr BILLINGS MT 59102 NICK MEYER 105 Sea Breeze Ln Boulder City NV 89005-1306 NICKMAN BROTHERS LLC 6204 2ND AVE KEARNEY NE 68847-2443 NICKYS RESTAURANT & LOUNGE PO Box 449 MADISON SD 57042 NICOLE MASLOWSKI 321 N Montana Ave BOZEMAN MT 59715-3643 Nielsen Pump Corp 2901 Latimor Missoula MT 59808 NILSON CARPENTRY 918 E 1 ST WEBSTER SD 57274 NILSSON ELECTRICAL 333 W SIDE AVE JERSEY CITY NJ 07305 NIMER/CITICORP NORTH AMERICA 3800 CITIBANK CENTER TAMPA FL 33610-9122 NITRO CONSTRUCTION 4072 E SCHIMMER DR GRAND ISLAND NE 68801-9522 NITRO GREEN PO Box 3807 BUTTE MT 59702 Nitro Green PO Box 4393 Missoula MT 59806 NITRO GREEN PO Box 5314 HELENA MT 59604 Noble E Vosburg c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4th East 8th Street Suite 200 Wilmington DE 19801 Noble E Vosburg Pacific Steel & Recycling 1401 3rd Street NW PO Box 1549 Great Falls MT 59403 Noble E Vosburg Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Noble E Vosburg Noble E Vosburg Pacific Steel & Recycling 1401 3rd Street NW PO Box 1549 Great Falls MT 59403 Noble E. Vosburg c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellott, LLC 4th East 8th Street Suite 200 Wilmington DE 19801 NODDLE DEVELOPMENT 13710 FNB PKWY 100 OMAHA NE 68154-5200 NOGG KELSO CHEMICAL & PAPER CO PO Box 19343 OMAHA NE 68119 NOLAN FLADSTOL PO Box 143 RUDYARD MT 59540 NOLANDER JAN 5333 WHITING AVE EDINA MN 55439 NORCO INC 2850 STOCKYARD RD MISSOULA MT 59802-1506 NORCOM ADVANCED TECHNOLOGIES INC 33 THIRD St SE HURON SD 57350 NORDBY CENTER PO Box 1316 HURON SD 57350 NORDHAGEN COURT REPORTING 1734 HARRISON Ave BUTTE MT 59701 NORDLING APTS PO Box 1791 ABERDEEN SD 57402-1791 NORMA G ANDERSON 1631 HIGHLAND HELENA MT 59601 NORMA MALIN 363 COOPER LN HAMILTON MT 59840 NORMAN BARLUND RR 2 BOX 526 MILBANK SD 57252-9317 NORMAN E TEBAY & ERNEST W TEBAY 46 TEBAY LANE WHITEHALL MT 59759 NORMAN JACOBSON 4650 HWY 200 E MISSOULA MT 59802-8816 NORMAN M STELK 1019 E BISMARK GRAND ISLAND NE NORMAN M STELK ROUTE 2 BOX 182 GRAND ISLAND NE NORMAN REFRIGERATION 1719 RODEO RD NORTH PLATTE NE 69101 NORMAN SCHELSKE* PO Box 353 SPRINGFIELD SD 57062 NORMONT EQUIPMENT COMPANY 1157 WIRE MILL RD BLACK EAGLE MT 59414 NORSTAN COMMUNICATIONS INC PO Box 86 MINNEAPOLIS MN 55486-0976 NORSTAN INC 17770 CARTWRIGHT RD IRVINE CA 92614 NORTH AMERICA ENERGY STANDARDS 1301 FANNIN ST 2350 HOUSTON TX 77002-7008

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 101 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country NORTH AMERICAN CONTRACT PO Box 94274 SEATTLE WA 00000 NORTH AMERICAN ELECTRIC 116390 VILLAGE Blvd PRINCETON NJ 08540-5731 NORTH AMERICAN ENERGY SVCS CO PO Box 505 COLSTRIP MT 59323 NORTH AMERICAN HYDRO INC 2601 HUBBARD Rd KUNA ID 83634 NORTH AMERICAN RESOURCES COMPANY 16 E GRANITE BUTTE MT 59701 NORTH AMERICAN RESOURCES COMPANY 16 E GRANITE BUTTE MT 89701 North American Services Group 275 Industrial Rd Cambridge ON N3H 4R7 Canada NORTH AMERICAN VAN LINES 33901 TREASURY CENTER CHICAGO IL 60694-3900 NORTH AMERICAN VAN LINES PO Box 951287 DALLAS TX 75395-1287 NORTH BY NORTHWEST PRODUCTIONS 903 W Broadway SPOKANE WA 99201 NORTH CAROLINA DEPT OF REVENUE PO Box 25000 RALEIGH NC 27640-0500 NORTH CENTRAL ELECTRIC ASSOC 2901 METRO DR STE 203 BLOOMINGTON MN 55425 NORTH CENTRAL FARMERS ELEVATOR PO Box 76 WARNER SD 57479-0076 NORTH CENTRAL MT REGIONAL SCIENCE PO Box 313 CASCADE MT 59421-0313 NORTH CENTRAL REGIONAL ASSN 1500 2ND AVE SE STE 300 CEDAR RAPIDS IA 52403 NORTH CENTRAL SEED CO PO Box 1008 MITCHELL SD 57301 NORTH CREEK ANALYTICAL INC 11720 N CREEK PKWY N No400 BOTHELL WA 98011-8244 NORTH DAKOTA GROCERS ASSOC PO Box 758 BISMARCK ND 58502 North Dakota Office of State Tax Commissioner State Capitol Eight Floor 600 East Boulevard Ave Bismarck ND 58505-0599 NORTH DAKOTA SEC OF STATE 600 E Blvd AVE BISMARCK ND 58505-0500 NORTH DAKOTA SECRETARY OF STATE 600 E Blvd AVE DEPT 108 BISMARK ND 59505-0500 NORTH DAKOTA SECRETARY OF STATE PO Box 5513 BISMARCK ND 58506-5513 NORTH DAKOTA STATE BOARD PO Box 1357 BISMARK ND 58502 North Dakota State Department of Health Air Pollution Control Program Missouri Office Building 1200 Missouri Ave Bismarck ND 56505 NORTH DAKOTA STATE TAX COMMISSION 600 E BLVDE AVE BISMARCK ND 58505-0599 NORTH EASTERN SD HEALTH PLAN PO Box 550 MILBANK SD 57252 NORTH GLACIER COUNTY WATER DST PO Box 398 SANTA RITA MT 59473-0398 NORTH HAVRE COMMUNITY SERVICES FOOD BANK HAVRE MT 59501 NORTH MONTANA WRESTLING CLUB 3500 14 AVE S GREAT FALLS MT 59405 NORTH PARK TRANSPORTATION CO 150 ANDREA Dr BELGRAGE MT 59714-0000 NORTH PLAINS IRRIGATION CO LLC 14 4TH AVE SW WATERTOWN SD 57201 NORTH PLATTE AREA PO Box 2088 NORTH PLATTE NE 69103 NORTH PLATTE CHAMBER OF COMM 502 S DEWEY NORTH PLATTE NE 69101 NORTH PLATTE CITY ENGINEERING 211 W 3RD NORTH PLATTE NE 69101 NORTH PLATTE CITY TREASURER 211 W 3RD NORTH PLATTE NE 69101 NORTH PLATTE CODY LIONS CLUB PO Box 1811 NORTH PLATTE NE 69103-1811 NORTH PLATTE DOWNTOWN ASSOC PO Box 1405 NORTH PLATTE NE 69103 NORTH PLATTE HOME BUILDERS PO Box 146 NORTH PLATTE NE 69103 NORTH PLATTE JAYCEES PO Box 366 NORTH PLATTE NE 69103-0366 NORTH PLATTE POLICE DEPARTMENT 701 S JEFFERS ST NORTH PLATTE NE 69103 NORTH PLATTE ST PATS HIGH PO Box 970 NORTH PLATTE NE 69103-0970 NORTH PLATTE TELEGRAPH PO Box 370 NORTH PLATTE NE 69101 NORTH PLATTE TELEVISION INC PO Box 749 NORTH PLATTE NE 69103 NORTH PLATTE TRANSFER 1402 N JEFFERS NORTH PLATTE NE 69101-2382 NORTH PLATTE WINNELSON CO 1920 E PHILIP AVE NORTH PLATTE NE 69103 NORTH STAR ICE/DIAMOND CLEAR PO Box 1102 MARSHALL MN 56258-0902 NORTH STAR MARKETING & SIGNS 1107 CENTER DR HAVRE MT 59501 NORTH STAR WATER CONDITIONING PO Box 64310 ST PAUL MN 55164-4310 NORTH WIND MACHINE 423 S 5TH ST ABERDEEN SD 57402-1813 NorthAmerican Contract Employee Services 3730 FM 1960 W Ste 200 Houston TX 77068 NORTHEAST COMMUNICATIONS INC PO Box 791 GLASGOW MT 59230-0791 NORTHERN ANALYTICAL LABORATORIES INCE BILLINGS MT 59107 NORTHERN BORDER PIPELINE COMPANY 13710 FNB PARKWAY PO BOX 542500 OMAHA NE 58154-5200 NORTHERN BORDER PIPELINE COMPANY 13710 FNB PARKWAY OMAHA NE 68145-5200 Northern Border Pipeline Company 13710 FNB Parkway Omaha NE 68154-8500 Northern Broadcasting Sy PO Box 1742 Billings MT 59103 NORTHERN BROADCASTING SYSTEMS INC PO Box 1742 BILLINGS MT 59103-1742 NORTHERN ELECTRIC COOP INC PO Box 457 BATH SD 57427-0457 NORTHERN ENERGY MISSOULA PO Box 16044 MISSOULA MT 59808-6044 NORTHERN FORD 120 W MAIN CUT BANK MT 59427 NORTHERN LINE LAYERS INC 6780 TRADE CENTER Ave BILLINGS MT 59101 NORTHERN MAINTENANCE PO Box 1073 HAMILTON MT 59840 Northern Montana College PO Box 200135 Helena MT 59620-0135 NORTHERN MONTANA HOSPITAL PO Box 1231 HAVRE MT 59501-1231 NORTHERN MONTANA JOINT REFUSE 411 1/2 S MAIN CONRAD MT 59425 NORTHERN MONTANA MEDICAL EQUIP PO Box 1231 HAVRE MT 59501 Northern Municipal Power Agency PO Box 485 Thief River Falls MN 56701 NORTHERN MUNICIPTAL POWER AGENCY CO MINNKOTA POWER COOPERATIVE BOX 1318 GRAND FORKS ND 20201 NORTHERN MUNICIPTAL POWER AGENCY PO BOX 528 THIEF RIVER FALLS MN NORTHERN MUNICPAL POWER AGENCY PO BOX 528 THIEF RIVER FALLS MN Northern Natural Gas Patrick L Hayden Esq McGuire Woods LLP 9 West 57th Street Suite 1620 New York NY 10019 NORTHERN NATURAL GAS PO Box 203162 HOUSTON TX 77216-3162 NORTHERN NATURAL GAS PO Box 3330 OMAHA NE 68103-0330 NORTHERN NATURAL GAS COMPANY Attn Director of Technical Operations PO BOX 3330 OMAHA NE 68103 NORTHERN NATURAL GAS COMPANY Attn Ellis Warren PO Box 336 OMAHA NE 68124 NORTHERN NATURAL GAS COMPANY PO Box 203162 HOUSTON TX 77216-3162 NORTHERN NATURAL GAS COMPANY PO BOX 3330 OMAHA NE 68103-0330 NORTHERN PT & OT CLINIC LTD 3015 6TH AVE SE No 10 ABERDEEN SD 57401 NORTHERN ROCKIES CANCER CENTER 1041 N 29TH St BILLINGS MT 59103-0369 NORTHERN ROCKIES MEDICAL CENTER 802 2ND St SE CUT BANK MT 59427 NORTHERN SAFETY CO INC PO Box 4250 UTICA NY 13504-4250 NORTHERN SPECIALTY SUPPLY INC 9400 CARTAGE RD MISSOULA MT 59808

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 102 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Northern State College 1201 S Jay St Aberdeen SD 57401 NORTHERN STATE UNIVERSITY 1200 S JAY St ABERDEEN SD 57401 Northern State University 1201 S Jay St Aberdeen SD 57401 NORTHERN STATE UNIVERSITY FOUNDATIO BECKMAN BUILDING 620 15TH AVE SE ABERDEEN SD 57401 NORTHERN STATES POWER 1099 18TH St Ste 3000 DENVER CO 80202-1930 Northern States Power Company 13710 FNB Parkway Omaha NE 68154-5200 Northern States Power Company PO Box 2747 Fargo ND 58108-2747 NORTHERN STATES POWER COMPANY PO Box 86 MINNEAPOLIS MN 55486-0744 NORTHERN STATES SUPPLY INC PO Box 1057 WILLMAR MN 56201-1057 NORTHERN TELEPHONE CO OP INC PO Box 190 SUNBURST MT 59482-0190 NORTHERN TOOL & EQUIPMENT 2800 SOUTHCROSS DR BURNSVILLE MN 55337-0129 NORTHERN TOOL & EQUIPMENT CO PO Box 1219 BURNSVILLE MN 55337-0129 Northern Trust Company 50 S LASALLE ST CHICAGO IL 60675 NORTHERN VALLEY COMMUNICATIONS 235 E 1ST Ave GROTON SD 57445-0320 NORTHERN VALLEY COMMUNICATIONS 235 EAST 1ST Ave PO Box 320 GROTON SD 57445-0320 NORTHLAND AUTO CENTER 310 E HIGHWAY 12 WEBSTER SD 57274 NORTHLAND BUILDERS 620 10TH ST SW WATERTOWN SD 57201-9999 NORTHLAND GAS EQUIPMENT INC 14148 LINCOLN ST NE NoD ANDOVER MN 55304-4652 NORTHLAND GLASS PO Box 489 MADISON SD 57042 NORTHSIDE AMOCO 1020 N JEFFERS NORTH PLATTE NE 69101 NORTHSIDE IMPLEMENT RR 1 BOX 990 WEBSTER SD 57274 Northstar Conoco 1947 Dakota Ave S Huron SD 57350 NORTHSTAR CONOCO 20880 404TH AVE HURON SD 57350 NORTHSTAR FABRICATING PO Box 7777 PHILADELPHIA PA 19175-8770 Northwest Bank South Dakota NA Chad Backles 405 Dakota Ave S Huron SD 57350 NORTHWEST BATTERY DISTRIBUTING 3005 PROSPECT Ave HELENA MT 59601 northwest booster club 4052 buckingham dr grand island NE 68803 NORTHWEST COLLECTORS INC PO Box 2898 MISSOULA MT 59806 NORTHWEST COLLEGE PO Box 579 KIRKLAND WA 98083-0579 NORTHWEST COLLEGE FOUNDATION 231 W 6TH St POWELL WY 82435 Northwest Communications Inc POBox 3786 Bozeman MT 59715

NORTHWEST COOPERATIVE DEVELOPMENT 1050 CAPITOL WAY S Ste B OLYMPIA WA 98501 NORTHWEST DISTRIBUTORS 509 S HIGGINS AVE MISSOULA MT 59807-8152 NORTHWEST DYNAMICS INSPECTION PO Box 1288 BIG FORK MT 59911 NORTHWEST ELECTRIC INC 1414 E 23RD ST COLUMBUS NE 68601 NORTHWEST ENERGY EFFICIENCY ALLIANC 529 SW 3RD AVE STE 600 PORTLAND OR 97204-2540 Northwest Energy Efficiency Alliance 529 SW Third Ave STE 600 Portland OR 97204 NORTHWEST FENCE PRODUCTS 226 2nd Ave PO Box 1204 GREAT FALLS MT 59403 NORTHWEST FENCE PRODUCTS PO Box 1204 GREAT FALLS MT 59403 NORTHWEST INDUSTRIAL SUPPLY 1819 2ND Ave N BILLINGS MT 59101-2447 NORTHWEST INDUSTRIAL SUPPLY 1819 2ND Ave NORTH BILLINGS MT 59101-2447 NORTHWEST LITTLE LEAGUE 1100 CALEDONIA BUTTE MT 59701 NORTHWEST MACHINERY INC PO Box 47 KALISPELL MT 59903-0047 NORTHWEST MONTANA HUMAN PO Box 8300 KALISPELL MT 59904-1300

NORTHWEST MONTANA RESOURCE COUNCIL PO Box 8300 KALISPELL MT 59904-1300 Northwest Petroleum Company PO Box 6000 Butte MT 59702 NORTHWEST PIPE FITTINGS INC 1901 MEADOWLARK LN BUTTE MT 59701-9999 NORTHWEST PIPE FITTINGS INC 33 S 8TH St W BILLINGS MT 59103-1258 NORTHWEST PIPE FITTINGS INC 33 SOUTH 8TH St WEST PO Box 1258 BILLINGS MT 59103-1258 NORTHWEST PIPE FITTINGS INC 404 17TH Ave NEEE GREAT FALLS MT 59404-1936 NORTHWEST PIPE FITTINGS INC 441 ARIZONA NW HURON SD 57350-4501 NORTHWEST PIPE FITTINGS INC OF 441 ARIZONA NW HURON SD 57350-4501 NORTHWEST POWER POOL 26 S W SALMON ST STE 400 PORTLAND OR 97204-3208 NORTHWEST PUBLIC POWER ASSOCIATION 9817 NE 54TH St VANCOUVER WA 98662

NORTHWEST REGIONAL ROW CONFERENCE PO Box 7129 BOISE MT 83707-1129 NORTHWEST SCIENTIFIC INC 15 N 22ND St BILLINGS MT 59103-1811 NORTHWEST SOUTH DAKOTA ENERGY CONSERVATION CORPORATION 414 THIRD Ave E SISSSETON SD 57252 NORTHWEST TRUCK & TRAILER 1110 3RD AVE N BILLINGS MT 59101 NORTHWEST TRUCK REPAIR PO Box 774 KALISPELL MT 00000 NORTHWEST TRUCK REPAIR PO Box 774 KALISPELL MT 59903 NORTHWEST WAGE & HOUR INFORMATION 9817 N E 54TH St Ste 200 VANCOUVER WA 98662 NORTHWESTERN COMMUNICATIONS 124 S 1ST St ABERDEEN SD 57401 NORTHWESTERN COMMUNICATIONS SOLUTIO 124 S 1ST St ABERDEEN SD 57401 NORTHWESTERN CORP PO Box 88130 SIOUX FALLS SD 57109-5813 NORTHWESTERN ENERGY ABERDEEN SD 57401 Northwestern Energy 33 Third St SE PO Box 1318 Huron SD 57350 NORTHWESTERN ENERGY 405 S 20TH ST W BILLINGS MT 59102 NORTHWESTERN ENERGY 411 S MAIN ST CONRAD MT 59425-0665 NORTHWESTERN ENERGY 5090 US HWY 287 N ENNIS MT 59729-9017 NORTHWESTERN ENERGY 514 N MAIN MITCHELL SD 57301 NORTHWESTERN ENERGY 5155 HARRISON Ave BUTTE MT 59707-0001 NORTHWESTERN ENERGY BOZEMAN DIVISION BOZEMAN MT 59741-0490 NORTHWESTERN ENERGY HAVRE DISTRICT HAVRE MT 59501 NORTHWESTERN ENERGY HIGHMORE PETTY CASH HIGHMORE SD 99999 NORTHWESTERN ENERGY KEARNEY PETTY CASH KEARNEY NE 68803 NORTHWESTERN ENERGY MADISON PETTY CASH MADISON SD 57042 NORTHWESTERN ENERGY MISSOULA DIVISION MISSOULA MT 59803

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 103 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country NORTHWESTERN ENERGY NORTH PLATTE PETTY CASH NORTH PLATTE NE 69101 NORTHWESTERN ENERGY PO Box 1338 BUTTE MT 59702-9902 NORTHWESTERN ENERGY PO Box 157 FORT BENTON MT 59442-0157 NORTHWESTERN ENERGY PO Box 197 BIG TIMBER MT 59011-0197 NORTHWESTERN ENERGY PO Box 460 MALTA MT 59538 NORTHWESTERN ENERGY PO Box 589 GREAT FALLS MT 59403 NORTHWESTERN ENERGY PO Box 591 GLASGOW MT 59230-0591 NORTHWESTERN ENERGY PO Box 649 CHESTER MT 59522-0649 NORTHWESTERN ENERGY PO Box 9888 KALISPELL MT 59109 NORTHWESTERN ENERGY WEBSTER PETTY CASH WEBSTER SD 57274 NORTHWESTERN ENERGY YANKTON PETTY CASH YANKTON SD 57078 Northwestern Energy Corporation 33 Third St SE PO Box 1318 Huron SD 57350-1318 NORTHWESTERN ENERGY DEVELOPMENT 125 S DAKOTA Ave SIOUX FALLS SD 57104 NORTHWESTERN ENERGY LISA SHEA 40 EAST BROADWAY BUTTE MT 59701 NORTHWESTERN ENERGY LLC 220 S DAWES LEWISTOWN MT 59457 NORTHWESTERN ENERGY LLC PETTY CASH COLSTRIP MT 59323 NORTHWESTERN ENERGY LLC PO Box 404 HARDIN MT 59034-0404 NORTHWESTERN ENERGY LLC PO Box 897 COLUMBUS MT 59019 NORTHWESTERN ENERGY LLC HELENA 1315 N MAIN ST HELENA MT 59604 NORTHWESTERN ENERGY PETTY CASH PO Box 589 GREAT FALLS MT 59403 NORTHWESTERN ENERGY PETTY CASH PO Box 9888 KALISPELL MT 59109 NORTHWESTERN FOUNDATION PO Box 51 MELLETTE SD 57461

NORTHWESTERN GRAND ISLAND PETTY CAS C/O RHONDA BYERLY GRAND ISLAND NE 68803 NORTHWESTERN POST PROM 110 N 2ND AVE ASHTON SD 57424 NORTHWESTERN PUBLIC SERVICE 600 MARKET ST SW HURON SD 57350 Northwestern Public Service 600 Market St W Huron SD 57350 NORTHWESTERN PUBLIC SERVICE PO Box 1120 ABERDEEN SD 57402 Northwestern Public Service Company 33 Third St SE PO Box 1318 Huron SD 57350 NORTHWESTERN PUBLIC SERVICE COMPANY FIRM AND INTERRUPTIBLE GAS SERVICE AGREEMENT PO BOX 67 MONROE SD NORTHWESTERN SCHOOL DISTRICT PO BOX 45 MELLETTE SD NorthwestKLM Royal Dutch Airlines SEE NOTE Sales Manager 625 First Ave Fargo ND 58102 NORTHWINDS PUBLISHING & PRINTING PO Box 2367 GREAT FALLS MT 59403 NORTHWINDS PUBLISHING AND PRINTING PO Box 1315 BISMARCK ND 58502-2367 NORTHWINDS REFRIGERATION INC 604 Lincoln Ave NE Saint Cloud MN 56304-0248 NORVIN DUNNAGAN PO Box 815 GRAND ISLAND NE 68802 NORWESCO MARINE INC PO BOX 623 LIBERTY LAKE WA 99019-0623 Norwest Bank Minnesota National Assoc Attn: Corporate Trust Department Trustee of Grant Cnty Revenue Bonds Sixth and Marquette Minneapolis MN 55479-0069 Norwest Bank Minnesota National Assoc Attn: Corporate Trust Department Trustee of Mercer Cnty Revenue Bonds Sixth and Marquette Minneapolis MN 55479-0069 Norwest Bank Minnesota National Assoc Attn: Corporate Trust Department Trustee of Salix City Revenue Bonds Sixth and Marquette Minneapolis MN 55479-0069 NORWEST BANK OF NEBRASKA 202 W 3RD GRAND ISLAND NE NOTEWORTHY NEIGHBORS RR1 BOX 137 WILLOW LAKE SD 57278 NOVA GAS TRANSMISSION LTD 111 5TH Ave SW CALGARY AB T2P 3Y6 Canada NOVA GAS TRANSMISSION LTD 1525 10TH AVE SW CALGARY AB T3C 0J6 Canada NOVASPECT INC 38389 EAGLE WAY CHICAGO IL 60678-1383 NOVASPECT INC 7565 CORPORATE WAY EDEN PRAIRIE MN 55344 NOVELTY MACHINE & SUPPLY CO 901 5TH SIOUX CITY IA 51102-0477 NSHBA PO Box 22375 LINCOLN NE 68542 NTA LTD PO Box 831 HURON SD 57350 NTL ENGINEERING & GEOSCIENCE 1505 14TH St NEWE GREAT FALLS MT 59403-3269 NU MOTOR 1005 W EMMONS CT GILLETTE WY 82717 NU WAY LAUNDRY PO Box 463 PARKSTON SD 57366 NW FUEL SYSTEMS PO Box 94 KALISPELL MT 59901-0094 NWBOA 270 N 27TH ST Ste B BOISE ID 83702-4147 NWPS PAC FEDERAL 600 MARKET ST HURON SD 57350 NXTPHASE CORPORATION 72 SCURFIELD BLVD WINNEPEG MB R3G 1Y4 Canada NYC DEPARTMENT OF FINANCE PO Box 5040 KINGSTON NY 12402-5040 NYC DEPARTMENT OF REVENUE PO Box 22109 ALBANY NY 12201-2109 NYMANN & KOHL 520 PIERCE ST STE 383 SIOUX CITY IA 51102-1825 Nystrom Contractors Inc 3M Building 500 Baker Building Minneapolis MN 55402 O C TANNER RECOGNITION COMPANY 1930 SOUTH STATE St SALT LAKE CITY UT 84115-2383 O C TANNER RECOGNITION COMPANY ATTN Lesia Harmon 1930 S STATE St SALT LAKE CITY UT 84115-2383 O MICHAEL TOUKAN 1808 S LOCUST GRAND ISLAND NE 68801 O TECH INC PO Box 27754 DENVER CO 80227 OAHE MARINA PO Box 310 FT PIERRE SD 57532 Oaktree Capital Management LLC as general partner of certain funds set forth on Schedule A hereto Oaktree Capital Management LLC Attention Gloria Cannon 333 South Grand Avenue 28th Floor Los Angeles CA 90071 OCAW CUT BANK LOCAL #2493 PO Box 116 CUT BANK MT 59427 OCCUPATIONAL HEALTH & WELLNESS 1020 N 27TH ST Ste 301 BILLINGS MT 59101 OCEAN ENERGY INC 1001 FANNIN Ste 1600 HOUSTON TX 77002-6794 OCEAN ENERGY RESOURCES INC PO Box 4970 HOUSTON TX 77210-4970 OCONNOR COMPANY PO Box 86636 SIOUX FALLS SD 57118-6636 ODONNELL JOHN 1100 W 5TH ST ANACONDA MT 597112017 OFFICE DEPOT 2800 KING AVE W Ste A BILLINGS MT 59102 OFFICE EQUIPMENT COMPANY INC 200 2ND ST HAVRE MT 59501 OFFICE EQUIPMENT SERVICE INC PO Box 16 HURON SD 57350 OFFICE MAX CREDIT PLAN 1505 W 41ST ST SIOUX FALLS SD 57105 OFFICE NET 313 N LOCUST ST GRAND ISLAND NE 68802 OFFICE OF CHILD SUPPORT 700 GOVERNORS Dr STE 84 PIERRE SD 57501-2291

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 104 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country

OFFICE OF CHILD SUPPORT ENFORCEMENT 700 GOVERNORS Dr Ste 84 PIERRE SD 57501-2291 OFFICE OF STATE TAX COMMISSION 600 E BOULVARD AVE BISMARK ND 58505-0599 OFFICE OF STATE TAX COMMISSIONER 600 E BLVD DEPARTMENT 127 BISMARK ND 59505-0554 OFFICE OF THE SECRETARY OF STATE 700 W JEFFERSON ROOM 203 BOISE ID 83720-0080 OFFICE OF THE SECRETARY OF STATE PO Box 13697 AUSTIN TX 78711-2697 OFFICE OUTFITTERS PO Box 1034 HELENA MT 59624 OFFICE SOLUTIONS & SERVICES 55 E GALENA BUTTE MT 59701 OFFICE SOLUTIONS & SERVICES 55 EAST GALENA BUTTE MT 59701 OFFICE SOLUTIONS & SERVICES 700 SUNSET BLVD NoA KALISPELL MT 59901-3636 OFFICE SOLUTIONS AND SERVICES 1940 Havre Ste A Missoula MT 59801 OFFICE SYSTEMS INC 1700 SCHAFER St BISMARCK ND 58502 OFFICE SYSTEMS INC PO BOX 846 WATERTOWN SD 57201 Officemax Credit Plan PO Box 9020 West Des Moines IA 50368 OFFSPRING EXCAVATION PO Box 565 LAUREL MT 59044 OHARA CAROLYN PO BOX 851 FORT BENTON MT 59442 OHIO STATE TREASURER PO Box 27 COLUMBUS OH 43266-0027 OIL SPILL LIABILITY TRUST FUND 999 18TH ST Ste 300 DENVER CO 80202-2466 OILFIELD LUMBER & SUPPLY 317 W Railroad CUT BANK MT 59427 OILY WASTE PROCESSORS INC PO Box 2903 GREAT FALLS MT 59403 Oily Waste Processors Inc PO Box 903 Great Falls MT 59403 OK TIRE STORE PO Box 441 ABERDEEN SD 57402-0441 OKEEFE DRILLING COMPANY INC 2000 FOUR MILE VIEW RD BUTTE MT 59702-3810 OKLAHOMA STATE UNIVERSITY FND PO Box 1749 STILLWATER OK 74076-1749 OKLAHOMA TAX COMMISSION 2501 LINCOLN Blvd OKLAHOMA CITY OK 73194-0010 Oklahoma Tax Commission Bankruptcy Section General Counsels Office PO Box 53248 Oklahoma City OK 73152 OKLAHOMA TAX COMMISSION BUSINESS TAX DIVE (FRANCHISE) OKLAHOMA CITY OK 73126-0930 OLD GLORY LANDMARK PO Box 1142 HELENA MT 59624 OLDHAM FARMERS ELEVATOR Box H OLDHAM SD 57051-0016 OLDHAM FARMERS ELEVATOR PO BOX H OLDHAM SD 57051-0016 OLDHAM RAMONA AFTER PROM PARTY PO Box 8 RAMONA SD 57054 OLDHAM SERVICE INC 101 E MAIN OLDHAM SD 57051 OLIVER COUNTY TREASURER PO Box 85 CENTER ND 58530 OLIVET COMMUNITY CENTER 28618 COUNTY Rd 11 MENNO SD 57045 Olivia Pi Sunyer 406 Dean Street Brooklyn NY 11217-2011 Olivia Pi Sunyer The Depository Trust Company 55 Water St 49th Fl New York NY 10041 OLIVIA SHECKLETON 895 MAIN ST BILLINGS MT 59105 OLSEN IMPLEMENT PO Box 842 HURON SD 57350 Olson Biochemistry Laboratories RmE 133 ASC Brookings SD 57007-1217 OLSON BOB 920 E ASH MITCHELL SD 57301 Olson Construction PO Box 928 Huron SD 57350 OLSON LAND SERVICES 860 STRAWBERRY Dr HELENA MT 59601 OLSON RENTALS 1606 1ST ST HAVRE MT 59501-3234 OLSON SCOTT W AND OLSON REENEE L CORSICA SD 57328 OLSONS AUTO PARTS INC 102 1ST AVE W CLARK SD 57225 Olsons Lands Services 860 Strawberry Dr Helena MT 59601 OLSONS PEST TECHNICIANS PO Box 212 YANNKTON SD 57078 OLTROGGE CONSTRUCTION INC PO Box 372 ABSAROKEE MT 59001 Olympus Technical Services Inc 765 Colleen St Helena MT 59601 OMAHA PUBLIC POWER DISTRICT PO Box 3065 OMAHA NE 68176-0210 OMAHA VALVE & FITTING COMPANY PO Box 329 SHAWNEE MISSION KS 66201 OMAHA WORLD HERALD PO Box 2113 NORTH PLATTE NE 69103 OMEGA TELEVISION PRODUCTIONS 825 GREAT NORTHERN BLVD HELENA MT 59601 OMEGA TELEVISION PRODUCTIONS LLC & PO Box 597 HELENA MT 59624 OMNIDOX PO Box 2340 SHAWNEEE MISSION KS 66201 ONE CALL LOCATORS LTD 4500 MAJESTIC Dr MISSOULA MT 59808 ONE CALL LOCATORS LTD 4500 MAJESTIC Dr PO Box 16780 MISSOULA MT 59808 One Call Locators Ltd PO Box 16780 Missoula MT 59808-6780 ONE CALL LOCATORS OCL LTD PO BOX 16780 MISSOULA MT 59808 ONE CALL OF WYOMING PO Box 725 WHEATLAND WY 82201 ONE CALL SYSTEMS INC PO Box 10001 PITTSBURGH PA 15236 One Eighty Communications 206 N 29th Billings MT 59101 One Eighty Communications Attn Chris Dimock 206 N 29th Billings MT 59101 ONE STOP LICENSING PO Box 8003 HELENA MT 59604-8003 ONEAL ELECTRIC 1185 BULLHEAD RD VALIER MT 59486 ONEILL & SONS 1732 N HUSTON GRAND ISLAND NE 68803-2744 ONEILL HEATING & AIR 2116 N CUSTER AVE GRAND ISLAND NE 68803

ONEOK ENERGY AND TRADING COMPANY LP Attn Contract Administration 100 W FIFTH St 16 FL po Box 2405 TULSA OK 74102-2405 ONEOK ENERGY MARKETING & TRADING 100 W FIFTH St TULSA OK 74103-4298 ONEOK ENERGY MARKETING AND PO Box 2405 TULSA OK 74102-2405 ONSTAR MEMBERSHIP CENTER DEPT No77246 DETROIT MI 48277-0246 ONWARD WOLSEY PO Box 432 WOLSEY SD 57384 ONYX ENVIRONMENTAL SERVICES DEPT 73709 CHICAGO IL 60673-7709 ONYX SPECIAL SERVICES INC 1275 MINERAL SPRINGS Dr PORT WASHINGTON WI 53074 OPEN ACCESS TECHNOLOGY INTERNATION INC 2300 Berkshire Ln N F Minneapolis MN 55441-3606 OPEN ACCESS TECHNOLOGY INTERNATION INC 2300 Berkshire Ln N F MINNEAPLOIS MN 55441-3606 OPEN ACCESS TECHNOLOGY INTERNATION INC 2300 Bershire Ln N Minneapolis MN 55441

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 105 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country OPEN ACCESS TECHNOLOGY INTERNATION INC DR SASN MOKHTARI 2300 BERKSHIRE Ln N MINNEAPLOIS MN 55441 Open Access Technology International In 8401 Wayzata Blvd Ste 180 Minneapolis MN 55426 OPEN ACCESS TECHNOLOGY INTL INC 2300 BERKSHIRE LANE N MINNEAPOLIS MN 55441 OPEN ACCESS TECHNOLOGY INTL INC 2300 Berkshire Ln N #F Minneapolis MN 55441-3606 OPEN ACCESS TECHNOLOGY INTL INC 2300 BERKSHIRE Ln NORTH MINNEAPOLIS MN 55441 OPEX CORPORATION 305 COMMERCE DR MOORESTOWN NJ 08057 Opex Corporation 305 Commerce Dr Moorestown NJ 08057 4234 Opex Corporation Commerce Dr Moorestown NJ 08057 4234 Oppenheimer & Co Inc c o ADP OPPORTUNITIES INC PO Box 2289 GREAT FALLS MT 59403-2289 OPPORTUNITY RESOURCES INC 2821 S RUSSELL ST MISSOULA MT 59801-7913 Optimist Club of Huron 1633 Beach Ave SE Huron SD 57350 OPTIMIST SPECIAL CHILDRENS CAMP 2017 INTERLACHEN Dr BILLINGS MT 59105-3650

OPUS (PROPERTY MGR WELLS FARGO BLDG 175 N 27TH ST Ste 1203 BILLINGS MT 59101 ORACLE CORPORATION 12320 ORACLE BLVD COLORADO SPRINGS CO 80921 ORACLE CORPORATION ORACLE CORPORATE SALES REDWOOD SHORES CA 94065 ORCOM SOLUTIONS 1001 SW DISK DR BEND OR 97702 ORCOM SOLUTIONS INC Jim Anderson 1001 SW DISK Dr BEND OR 97701 ORCOM SOLUTIONS INC VP CLIENT SERVICES 1001 SW DISK Dr BEND OR 97701 OREGON DEPARTMENT OF REVENUE PO Box 14777 SALEM OR 97309-0960 OREGON NERVE CENTER 1040 NW 22ND AVE Ste 600 PORTLAND OR 97210 OREGON STATE TREASURER 350 WINTER NE Ste 100 SALEM OR 97310 OREIDA FOODS PLANT 2 CLAY CRIM 204 E ROBERTS GRAND ISLAND NE OREILLY AUTO PARTS 606 N WEBB RD GRAND ISLAND NE 68803-4049 ORIENT POST OFFICE PO Box 9998 ORIENT SD 57467-9998 ORKIN EXTERMINATING CO INC PO Box 5264 GRAND ISLAND NE 68802 ORKIN EXTERMINATING CO INC PO Box 740036 ATLANTA GA 30374-0036 ORKIN EXTERMINATORS CO INC 911 5TH ST S GREAT FALLS MT 59405 ORME KIPP 2501 Prospect Ave Evanston IL 60201 ORPHAN GIRL THEATRE PO Box 522 BUTTE MT 59703-0522 ORPHANS IN NEED PO Box 5954 HELENA MT 59604 ORTHOPAEDIC SPECIALITY CLINIC 9631 N NEVADA Ste 302 SPOKANE WA 99218 ORTMAN HOTEL & CAFE PO BOX 217 CANISTOTA SD 57012 ORTONVILLE STONE CO PO Box 5829 SIOUX FALLS SD 57117-5829 ORVILLE JOHNSON & SONS CONST PO Box 185 MADISON SD 57042 OSBORN LAW OFFICE 974 SW TOMAHAWK PL DUNDEE OR 97115-9713 OSBURN IRRIGATION 112 FREEZE LANE HAMILTON MT 59840 OSCARS MACHINE SHOP 116 FIRST AVE W CLARK SD 57225 OSI SOFTWARE INC 777 DAVIS ST SAN LEANDRO CA 94577 OSI SOFTWARE INC 777 DAVIS St Ste 250 SAN LEANDRO CA 94577 OSI SOFTWARE INC PO Box 727 SAN LEANDRO CA 94577-0427 OSISOFT INC PO Box 727 SAN LEANDRO CA 94577-0427 OSLIN NATION 4624 MARTIN LUTHER KING FREEWAY FORT WORTH TX 76119 OSMOSE PO Box 205 MAPLETON ND 58059 OSMOSE INC 980 ELLICOTT ST BUFFALO NY 14209-2398 OSMOSE UTILITIES SERVICES INC 201 HOLIDAY BLVD Ste 300 COVINGTON LA 40433-5013 OSMOSE WOOD PRESERVING INC PO Box 205 MAPLETON ND 58059 OTTER TAIL ENERGY SERVICES 224 E WASHINGTON FERGUS FALLS MN 56537-0419 Otter Tail Energy Services 224 E Washington Fergus Falls MN 56537 OTTER TAIL POWER CO 215 S CASCADE FERGUS FALLS MN 56538-0496 OTTER TAIL POWER CO 215 S CASCADE PO Box 496 FERGUS FALLS MN 56538-0496 OTTER TAIL POWER CO PO Box 392 MILBANK SD 57252-0392 OTTER TAIL POWER CO PO Box 570 MORRIS MN 56267-0570 OTTER TAIL POWER COMPANY 215 S CASCADE St FERGUS FALLS MN 56537 OTTER TAIL POWER COMPANY 215 S CASCADE St FERGUS FALLS MN 56538 OTTER TAIL POWER COMPANY 215 S CASCADE St FERGUS FALLS MN 56538-0496 OTTER TAIL POWER COMPANY 215 S CASCADE St FERGUS FALLS MN OTTER TAIL POWER COMPANY 216 S CASCADE St FERGUS FALLS MN Otter Tail Power Company co Secretary 215 S Cascade St Fergus Falls MN 56537 OTTER TAIL TELECOM 224 W LINCOLN FERGUS FALLS MN 56537 OTTIS ELECTRIC LLC PO Box 241 NORTH PLATTE NE 69103 OTTOS TOWING & CRANE SERVICE PO Box 9183 MISSOULA MT 59807 OUR HOME INC PO Box 156 HURON SD 57350 OUR LADY OF THE ROCKIES PO Box 668 BUTTE MT 59702 OUT IN THE COLD PRODUCTIONS 3665 FORT LARAMIE DR BILLINGS MT 59102 OUTDOOR ENGINEERING INC 4218 IRIS Ave MORGAN UT 84050 OUTDOOR KITCHEN DISTRIBUTORS 12100 W CENTER RD OMAHA NE 68144 OUTLAW GRAPHICS 1021 HAMMOND AVE BROOKINGS SD 57006 OVERHEAD DOOR CO 2514 E HIGHWAY 30 GRAND ISLAND NE 68801 OVERHEAD DOOR CO PO BOX 2007 GRAND ISLAND NE 68802 OVERHEAD DOOR CO OF BROWN CO 712 S MELGAARD Rd ABERDEEN SD 57401 Overhead Door Co of Butte 101 S Parkmont Butte MT 59701 OVERHEAD DOOR CO OF KEARNEY 1907 CENTRAL AVE KEARNEY NE 68847 OVERHEAD DOOR CO OF MSLA INC 835 RONAN ST MISSOULA MT 59801-3520 OVERHEAD DOOR CO OF N PLATTE 2401 E 8TH ST NORTH PLATTE NE 69103-1949 OVERHEAD DOOR CO OF SOUTH MT 415 S 24TH ST BILLINGS MT 59107-0675 OVERHEAD DOOR CO OF WATERTOWN PO Box 1173 WATERTOWN SD 57201-1173 OVERHEAD DOOR COMPANY OF 312 MULBERRY ST YANKTON SD 57078 OVERHEAD DOOR COMPANY OF BUTTE 1001 S PARKMONT BUTTE MT 59702 OVERHEAD DOOR COMPANY OF BUTTE 101 SOUTH PARKMONT PO Box 3221 BUTTE MT 59702

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 106 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country OVERLAND TRAILS COUNCIL PO Box 1361 GRAND ISLAND NE 68802-1361 OVERLAND TRAILS COUNCIL PO Box 615 NORTH PLATTE NE 69101 OXYGEN SERVICE CO INC 1111 PIERCE BUTLER ROUTE ST PAUL MN 55104 OZ FESTIVAL 1200 S JAY ST ABERDEEN SD 57401 OZZIES DRAIN OIL COMPANY DBA: OZZIES DRAIN OIL COMPANY MISSOULA MT 59807 P & M STEEL COMPANY 1205 W CHEROKEE St SIOUX FALLS SD 57104-0271 P & R INDUSTRIES 7412 SW BEAVERTON PORTLAND OR 97207-0554 P & S FABRICATORS INC PO Box 749 FRENCHTOWN MT 59834 P J TROPHIES 1315 S MONTANA ST BUTTE MT 59701-3045 P Tel LLC 2518 Harvard Butte MT 59701 P&W PAGING & WIRELESS 1300 N FLORIDA MANGO RD 21 WEST PALM BEACH FL 33409 P&W PAGING & WIRELESS 1748 Independence Blvd B6 Sarasota FL 34234 PA CONSULTING GROUP 1750 PENNSYLVANIA AVE Ste 100 WASHINGTON DC 20006-4506 PA CONSULTING SERVICES PO Box 406301 ATLANTA GA 30384-6301 PAAPE DIST CO PO Box 1567 SIOUX FALLS SD 57103-1567 PACE GLOBAL ENERGY SERVICES 4401 FAIR LAKES COURT STE 400 FAIRFAX VA 22033-3848 PACE INTERNATIONAL UNION AFLCIO CLO ATTN STEVE GENTRY PO BOX 21555 BILLINGS MT 59104 PACER INDUSTRIES 3203 E 3225 N TWIN FALLS ID 83301-0507 PACIFIC AIR SWITCH CORPORATION PO Box 328 FOREST GROVE OR 97116-0328 Pacific Corp 825 N E Multnomah Portland OR 97232 PACIFIC DIAZO PRODUCTS 333 E 157TH St Ste B GARDENA CA 90248 PACIFIC HIDE & FUR 1401 3RD ST NW GREAT FALLS MT 59403 PACIFIC INTEGRATED HANDLING 10215 PORTLAND Ave E TACOMA WA 98445 PACIFIC LIFE INSURANCE CO 100 PARK PLACE STE 220 SAN RAMON CA 94583 PACIFIC METERING INC 34304 SW LADD HILL Rd WILSONVILLE OR 97070 PACIFIC NW UTILITIES CONF COMM 101 SW MAIN ST STE 1400 PORTLAND OR 97204-3222 Pacific Power & Light Company 1033 NE 6TH AVE PORTLAND OR 97256-0001 Pacific Power & Light Company Brian McCllelland PacifiCorp 700 NE Multnomah Ste 550 Portland OR 97232 PACIFIC STEEL 145 SUGAR AVE BILLINGS MT 59107-0997 PACIFIC STEEL 2828 PALMER MISSOULA MT 59807 PACIFIC STEEL HIDES RECYCLING 2828 PALMER ST PO Box 8477 MISSOULA MT 59807-8477 PACIFIC STEEL/HIDES/RECYCLING 2828 PALMER ST MISSOULA MT 59807-8477 PACIFIC UTILITY EQUIPMENT CO N 3020 FLORA Rd SPOKANE WA 99216 PacificCorp John Carr Managing Director Major Issues 825 NE Multnomah Ste 300 Portland OR 97232 2131 PACIFICORP 825 N E MULTNOMAH PORTLAND OR 97232 PacifiCorp 825 NE Multnomah Portland OR 97232 PACIFICORP CENTRAL CASHIERS PORTLAND OR 97228-5504 PACIFICORP CENTRAL CASHIERS PO Box 5504 PORTLAND OR 97228-5504 PAIGE ELECTRIC CO 1160 SPRINGFIELD Rd UNION NJ 07083 PAINT POT 549 E MAIN BOZEMAN MT 59715 PAL INC 309 W 43RD ST No 105 SIOUX FALLS SD 57105 PALACE CLEANERS & LAUNDRY 109 W 6TH MITCHELL SD 57301 PALACE CLEANERS INC 109 W 6TH AVE MITCHELL SD PALACE MOTORS INC 219 E 1ST MITCHELL, SD 57301-7066 Paladin Associates Inc a Montana Corporation and Marie G Owens dba Paladin Associates a Montana Sole Proprietorship Attn Michael J Uda Esq Doney Crowley Bloomquist & Uda PC 44 W 6th Ave Ste 200 PO Box 1185 Helena MT 59601-24 PALAGI PLUMBING & HEATING PO Box 1026 GREAT FALLS MT 59403 PALISADES LANDSCAPE PO Box 135 RED LODGE MT 59068 PALLISTER PLUMBING & HEATING INC 3150 MITCHELL HELENA MT 59602 PALMER DISTRIBUTING 121 S 2ND ST ABERDEEN SD 57402-1202 PALMER ELECTRIC TECHNOLOGY 2407 HARVE MISSOULA MT 59801 Palmer Electric Technology Energy Palmer Electric Technology Energy Service Services Inc Petes 2407 Harve Missoula MT 59801 Palmer Electric Technology Energy Services Inc 2407 Harve St Missoula MT 59802 PAM LANGLEY 1806 CAPITOL HELENA MT 59601-4714 PAMDA SOFTWARE USA PO BOX 10578 GLENDALE CA 91209 PAMECO CORP 601 THIRD AVE S GREAT FALLS MT 59403 PAMECO CORPORATION 2411 W 5TH ST SIOUX FALLS SD 57104-5673 Pamela K Merrell Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Pamela Mooney 11918 Westline Industrial D St. Louis MO 63146 PANCANADIAN PO Box 730024 DALLAS TX 75373-0024 PANDA SOFTWARE USA 230 N MARYLAND Ste 303 GLENDALE CA 91209 PANDA SOFTWARE USA PO Box 10578 Glendale CA 91209 PANEL PUBLISHERS A DIVE OF ASPEN LAW & BUSINESS NEWBURGH NY 12551-1577 PANTHER GRAPHICS INC PO Box 84708 SIOUX FALLS SD 57118 PANTRY CAFE 771 33rd Ave NE Great Falls MT 59404 1259 PAPER ALLIED CHEMICAL AND ENERGY WORKERS INTERNATIONAL UNION AFLCIO CLC ATTN STEVE GENTRY INTERNATIONAL REPRESENTATIVE PO BOX 21555 BILLINGS MT 59104 PAPER MOON/ABBEY CARPET 926 S ARIZONA ST BUTTE MT 59701-2660 Paper MoonAbbey Carpet 926 S ARIZONA ST BUTTE MT 59701-2660 PAR ELECTRIC CONTRACTORS INC 27 INVERNESS Dr E ENGLEWOOD CO 80112 PAR ELECTRIC CONTRACTORS INC 27 INVERNESS Dr EAST ENGLEWOOD CO 80112 Par Electrical Contractors Inc 27 Inverness Dr Englewood CO 80112 PAR Electrical Contractors Inc 27 Inverness Dr E Englewood CO 80112 PAR ELECTRICAL CONTRACTORS INC 27 Inverness Dr E Unit 300 Englewood CO 80112-5658 PARADIGM TECHNOLOGIES INC 216 16th st ste 1700 DENVER CO 80202-5142 PARAMOUNT LINEN & UNIFORM PO Box 697 KEARNEY NE 68848-0697 PARENTS FOR A SAFE PROM 600 E 14TH ST YANKTON SD 57078-3016 PARIS GIBSON SQUARE MUSEUM OF ART 1400 1ST AVE N GREAT FALLS MT 59401 PARIS LAUNDRY & DRY CLEANERS 111 E MAIN St LEWISTOWN MT 59457

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 107 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country PARIS LAUNDRY & DRY CLEANERS 111 EAST MAIN St LEWISTOWN MT 59457 PARISI WESTERN PLBG & HTNGINC PO Box 948 LIVINGSTON MT 59047 Parisi Western Plumbing & Heating Inc PO Box 948 Livingston MT 59047 PARISIAN CLEANERS & TAILORS 110 E 2ND ST NORTH PLATTE NE 69101 PARK CLINIC PC 1001 RIVER Dr LIVINGSTON MT 59047 PARK COUNTY 414 E CALLENDER LIVINGSTON MT 59047 PARK COUNTY CLERK & RECORDER PO Box 437 LIVINGSTON MT 59047 PARK COUNTY LAND FILL PO Box 1212 LIVINGSTON MT 59047 PARK COUNTY TREASURER 414 E CALENDAR ST LIVINGSTON MT 59047-2789 PARK COUNTY TREASURER 414 E CALENDER ST LIVINGTON MT 590472789 Park Electric Co Operative Inc PO Box 1119 Livingston MT 59047 PARK ELECTRIC COOPERATIVEINC 306 S 12TH LIVINGSTON MT 59047 PARK ELECTRIC COOPERATIVEINC 306 SOUTH 12TH PO Box 1119 LIVINGSTON MT 59047 PARK FOODLANE 203 2ND AVE N GREAT FALLS MT 59401 Park High School 102 View Vista Dr Livingston MT 59047 PARK PLAZA HOTEL 22 N LAST CHANCE GULCH HELENA MT 59601 Park View Care Center 303 W 6th Ave Bryant SD PARKE LOGGING 143 E MULLAN TRAIL DRUMMOND MT 59832 PARKER AREA MEDICAL CLINIC 133 N MAIN PARKER SD 57053 Parker Hunter Inc c o ADP PARKER SCHOOL 300 W SECOND PARKER SD PARKER SCHOOL PO BOX 517 PARKER SD 57053-0517 PARKHURST FAMILY CAFE 1111 DAKOTA AVE N HURON SD 57350 PARKLINE TEXAS INC PO Box 35636 HOUSTON TX 77235-5636 PARKS AND RESORTS PO Box 528 YELLOWSTONE NATIONAL PARK WY 82190 PARKSTON ADVANCE Box J PARKSTON SD 57366 PARKSTON AFTER PROM PARTY PO Box 549 PARKSTON SD 57366 Parkston Cable TV 1111 S Miller Mitchell SD 57301 Parkston Cable TV PO Box 670 Tyler TX 75710 PARKSTON COMMERCIAL CLUB PO Box 564 PARKSTON SD 57366 PARKSTON FIRE DEPT EDUCATIONAL FUND 207 W MAIN PARKSTON SD 57366 PARKSTON FOOD CENTER PO Box 757 PARKSTON SD 57366 PARKSTON LEGION PO Box 549 PARKSTON SD 57366 PARKSTON PUBLIC SCHOOLELEMENTARY SCHOOL PO BOX D PARKSTON SD PARKSTON PUBLIC SCHOOLHIGH SCHOOL ARMORY PO BOX D PARKSTON SD 57366-1204 PARKSTON SCHOOL 403 E GLEN DR PARKSTON SD 57366 PARKSTON SCHOOL DISTRICT 103 W MAPLE PARKSTON SD 57366-1204 PARKSTON SCHOOL DISTRICT #33 3 102 S CHAPMAN DR PARKSTON SD 57366 PARKVIEW NURSERY PO Box 1014 ABERDEEN SD 57401 PARSEC GROUP INC 405 URBAN St No100 LAKEWOOD CO 80228 PARTS PLUS 1140 STRAND MISSOULA MT 59802 PARTY FACTORY PO Box 4417 HELENA MT 59604 PASCOE WILLIAM 104 COUNTRY CLUB Ln BUTTE MT 59701 Pat Dunlavy Maxim Technologies PO Box 4669 Helena MT 59604 PAT KEENAN 200 PLATTE OASIS PARKWAY NORTH PLATTE NE 69101 Pat Leary dba Leary Contracting Route 1 Box 1533 Lewistown MT 59457 PATH TECHNOLOGY GROUP PO Box 30098 OMAHA NE 68103-1198 PATRICIA A SCHMECHEL 1325 W PLATINUM BUTTE MT 59701-2125 Patricia Weidenbach 817 North Duff St Mitchell SD 57301 Patricia Weidenbach 817 North Duff Street SD 57301 Patricia Weidenbach The Depository Trust Company 55 Water St 49th Fl New York NY 10041 PATRICK CONSTRUCTION INCORPORATED PO Box 591 HAVRE MT 59501 PATRICK M MORRIS 206 E HANCOCK WHITE SULPHUR SPRINGS MT 59645 PATRICK SEAMLESS RAINGUTTER INC PO Box 4091 BUTTE MT 59702 PATS PLUMBING & HEATING PO Box 1337 RED LODGE MT 59068 PATSY ONEILL CHARITY CLASSIC 2802 WHITE BLVD BUTTE MT 59701 PATTERSON COMPANY 4405 N STAR BLVD GREAT FALLS MT 59405 PATTERSON LAWN CARE 1616 JUNIPER Dr HAVRE MT 59501 PATTI RICHARDSON 135 SOLITUDE Dr BUTTE MT 59701 PAUL BUNYANS SANDWICH SHOP 605 W PARK ST BUTTE MT 59701-9124 PAUL C BLUFF INC 2725 BRANSFORD AVE NASHVILLE TN 37204 PAUL F & KAREN W MCMULLIN 1ST MADISON VALLEY BANK ENNIS MT 59729-0307 PAUL F MCMULLIN PO Box 55 ENNIS MT 59729 PAUL HASTINGS JANOFSKY 345 CALIFORNIA ST FL 29 SAN FRANCISCO CA 94104-2635 PAUL HASTINGS JANOFSKY & WALKER 55 SECOND St SAN FRANCISCO CA 94105 PAUL HASTINGS JANOFSKY & WALKER 55 SECOND ST SAN FRANCISCO CA 94105-3441 PAUL HERMAN ASSOCIATES PO Box 700956 PLYMOUTH MI 48170-0956 PAUL J EVANS 600 W COVENTARY CIRCLE SIOUX FALLS SD 57108 PAUL MARDIAN CO INC 609 6TH AVE SW ABERDEEN SD 57402 PAUL O SVARTOIEN 44238 287TH ST FREEMAN SD 57029 Paul OLeary dba Welding Services PO Box 4362 Butte MT 59701 Paul R Christen c o Sarah Cooper Baker Botts LLP One Shell Plaza 910 Louisiana Houston TX 77002 PAULA K RIDLE PO Box 2642 MISSOULA MT 59801 PAULA MURNION PO Box 72 SHAWMUT MT 59078 PAULSEN INC PO Box 17 COZAD NE 69130 PAULSEN MARKETING COMM INC 3510 S 1ST AVE CIR SIOUX FALLS SD 57105 PAYERS HARDWARE 211 S MAIN ST WAGNER SD 57380 Paymentech Merchant Services LLC 1601 Elm St Dallas TX 75201 PAYNTER OK HARDWARE PO Box 509 HIGHMORE SD 57345 PBI MEDIA LLC 1201 SEVEN LOCKS Rd POTOMAC MD 20854-2958

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 108 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country PC LAN COMPUTER CENTER 123 4TH AVE SW ABERDEEN SD 57401 PC MAGAZINE PO Box 54064 BOULDER CO 80322-4064 PC MAGAZINE PO Box 54070 BOULDER CO 80322-4070 PCI Power Costs Inc 3000 S Berry Rd Ste 100 Norman OK 73072 PCPHOTO PO Box 56380 BOULDER CO 80322-6380 PDA INC 127 N COVELL AVE SIOUX FALLS SD 57104 PEACE HOSPICE 1101 26TH ST S GREAT FALLS MT 59406 PEAK 1 RESOURCES INC 2324 COLLECTIONS CENTER Dr CHICAGO IL 60693 PEAK MEASURE CORPORATION PO Box 970 RIDGEFIELD WA 98642 PEAKER SERVICES INC 8080 KENSINGTON COURT BRIGHTON MI 48116 PEARCE & DURICK PO Box 400 BISMARCK ND 58502 PEARSON APPLIANCE INC PO Box 252 NORTH PLATTE NE 69103 PEAVEY ELEVATOR BOX 98 VIENNA SD PEAVY COMPANY PO BOX 687 GRAND ISLAND NE 68801 PECI 1400 SW 5TH AVE Ste 700 PORTLAND OR 97201 PEDERSEN POWER PRODUCTS 3900 DAHLMAN Ave OMAHA NE 68107-1594 PEERLESS MFG CO 2819 WALNUT HILL LANE DALLAS TX 75284-5390 PEEWEES INC 225 POTTER LANE COLUMBIA FALLS MT 59912 PEG STANAWAY 831 WAUKESHA ST BUTTE MT 59701 PEGGY A BIRNEY* 1101 E 7TH ST APT 74 WEBSTER SD 57274-1668 PEGGY BELTRONE 220 3RD Ave N GREAT FALLS MT 59405 PEITZ HEATING & COOLING INC 1225 E SIOUX AVE PIERRE SD 57501 PELEGRIN WILLIAM 2268 OHIO SW HURON SD 57350 PENCAL 100 PARK PLACE STE 220 SAN RAMON CA 94583 PENKAY EAGLE MANOR 715 FEE St HELENA MT 59601 PENNINGTON CROSSARM COMPANY 2701 W 1ST St EUGENE OR 97402 PENNINGTON CROSSARM COMPANY 2701 WEST 1ST St PO Box 2236 EUGENE OR 97402 PENNSYLVANIA DEPT OF REVENUE DEPT280701 BUREAU OF CORPORATION TA HARISBURG PA 17128-0701 PENNY HILL 71 HIDDEN LAKE CIR SACRAMENTO CA 95831 PENSION BENEFIT GUARANTY CORP PO Box 64880 BALTIMORE MD 21264-4880 Pension Benefit Guaranty Corporation Attn Jason M Weyand Attorney Office of the General Counsel Suite 340 1200 K Street NW Washington DC 20005-4026 PENTON MEDIA 2105 RELIABLE PARKWAY CHICAGO IL 60686 PENTON TECHNOLOGY MEDIA 221 E 29TH St LOVELAND CO 80539 PEOPLESCAPES PUBLISHING 1208 S Aberdeen Ave SIOUX FALLS SD 57106-4920 PEPSI COLA BOTTLING COMPANY OF BILLINGS BILLINGS MT 59101 PEPSI COLA BOTTLING COMPANY PO Box 3178 BUTTE MT 59702 PEPSI COLA COMPANY OF S FALLS PO Box 6089 FARGO ND 58108-6089 PEPSI COLA HURON 777 NW 4TH St PO Box 1335 HURON SD 57350 PEPSIAMERICAS 75 REMITTANCE DR STE 1884 CHICAGO IL 60675-1884 PERCIVAL DAVID 1580 Boston Rd Helena MT 59602-7332 PERFECTION CORPORATION 222 LAKE ST MADISON OH 44057 PERFORMANCE PIPE PO Box 98204 CHICAGO IL 60693 PERKINS 2205 6TH St BROOKINGS SD PERKINS PACK N WRAP 416 3RD AVE BROOKINGS SD 57006 PERKINS RESTAURANT 765 S 20TH St W BILLINGS MT 59102 PERKINS RESTAURANT 825 N 27TH ST BILLINGS MT 59101 PERMA LETTER SIGN COMPANY 1105 4TH AVE N BILLINGS MT 59101 PERRY ELECTRIC AC & HTG INC 100 MAIN AVE S BROOKINGS SD 57006 PERRY J COLE 3420 N HILLCREST BUTTE MT 59701 Pershing LLC c o ADP PERSONNEL DECISIONS PO Box 1450 MINNEAPOLIS MN 55485-8343 Pete Douma dba Douma Construction Douma Construction 2157 Cameron Bridge Rd W Bozeman MT 59718 Pete Douma dba Douma Construction 2157 Cameron Bridge W Bozeman MT 59718 PETEKS 806 ORANGE HELENA MT 59601 PETER A ESCHBACH 4634 VILLA RIDGE RD MARIETTA GA 30068 Peter A Ivanick Esq John G Nicolich Esq LeBoeuf Lamb Greene & MacRae 125 West 55th St New York NY 10019 PETER H KNUDSEN 1301 W GOLD BUTTE MT 59701 PETER J REVEEN & CORAL E REVEEN 10 HUMMINGBIRD LN HENDERSON NV 89014 PETER L & CHARLOTTE C BLANKSMA 23134 NORRIS RD BOZEMAN MT 59718 Peter L Chapin Jr 160 West 77th Street Apt 5A New York NY 10024-6968 Peter L Chapin Jr The Depository Trust Company 55 Water St 49th Fl New York NY 10041 PETER MCNAIR 820 1/2 S BLACK AVE BOZEMAN MT 59715 PETER NOTEBOOM JR PO Box 264 CORSICA SD 57328 PETERSON COMPANY PO Box 25536 SALT LAKE CITY UT 84125-0536 PETERSON CONCRETE 1960 E HAVENS MITCHELL SD 57301 PETERSON EQUIPMENT COMPANY INC PO Box 6070 LOGAN UT 84341-6070 PETERSON FARMS INC 1424 E CAPITAL Ave GRAND ISLAND NE 68801 PETERSON PAINT & GLASS 300 Sycamore St Anaconda MT 59711-1838 PETERSON QUALITY OFFICE FURNITURE & EQUIPMENT BILLINGS MT 59103 PETERSONS PO Box 95302 CHICAGO IL 60694-5302 PETES ELECTRICAL CONTRACTORS PO Box 2832 KALISPELL MT 59903 PETES PLUMBINGHEATING & AC PO Box 62 HARLEM MT 59526 PETES TOWING AND REPAIRS PO Box 134 LINCOLN MT 59639-0134 PETROLEUM COUNTY PO Box 226 WINNETT MT 59087 PETROLEUM PARTNERS LLC PO Box 88 BRITTON SD 57430 PETTY CASH PO Box 490 BOZEMAN MT 59741-0490 PG&E NATIONAL ENERGY GROUP 7500 OLD GEORGETOWN Rd BETHESDA MD 20815 PHASE MATRIX INC 109 BONAVENTURA DRE SAN JOSE CA 95134 PHB HAGLER BAILLY INC 1776 EYE St NW Ste 500 WASHINGTON DC 20006 PHB HAGLER BAILLY INC 520 S GRAND AVE STE 500 LOS ANGELES CA 90071 PHCC OF NEBRASLA EAST CENTRAL PO Box 620 HOLDREGE NE 68949 PHEASANT COUNTRY BROADCASTING PO Box 306 ABERDEEN SD 57402-0306

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 109 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country PHEASANT COUNTRY LTD 39277 206TH ST WOLSEY SD 57384-6017 PHEASANTS FOREVER 31150 NILES SCHOOL RD SPRINGFIELD SD 57062 PHENIX TECHNOLOGIES 116 INDUSTRIAL Dr ACCIDENT MD 21520 Philipsburg School Dist 1 407 Schnepel St Philipsburg MT 59858 PHILIPSBURG SCHOOL DISTRICT #1 407 SCHNEPEL St PHILIPSBURG MT 59858 PHILIPSBURG SCHOOL DISTRICT NO 1 407 SCHNEPEL PHILIPSBURG MT 59858 PHILLIP A WEBBERSON PO Box 517 STEVENSVILLE MT 59870-0517 Phillip A Webberson PO Box 517 Stevensville MT 59870 Phillip J Mucha & Dorothy H Mucha 505 Deercliff Rd Avon CT 06001 PHILLIPS 66 CO PO Box 66 BARTESVILLE OK 74005-0066 PHILLIPS AVE BAKING CO 212 S PHILLIPS AVE SIOUX FALLS SD 57104 PHILLIPS COUNTY FAM HLTH CLNC PO Box 1299 MALTA MT 59538 PHILLIPS COUNTY HOSPITAL PO Box 640 MALTA MT 59538-0640 PHILLIPS COUNTY NEWS PO Box 850 MALTA MT 59538-0850 PHILLIPS COUNTY TREASURER COURTHOUSE MALTA MT 59538 PHOENIX ELECTRIC CORPORATION PO Box 53 BOSTON MA 02137 PHOENIX HOME LIFE INS CO ONE AMERICAN ROW HARTFORD CT 06115 PHOENIX SAFETY MANAGEMENT INC 5549 N MILITARY TRAIL STE 2501 BOCA RATON FL 33496 PHOTOS NOW PO Box 1177 Aberdeen SD 57402-1177 PIC ENERGY 4TH Fl 1165 NORTHCHASE PARKWAY MARIETTA GA 30067 PICEK CONSTRUCTION CO INC 1975 MCDONALD DR HURON SD 57350 PICKLE BARREL BILLINGS STATION 1502 13TH St W BILLINGS MT 59102 PIED PIPER FLOWERS PO Box 43 YANKTON SD 57078 PIERCE PO Box 80707 BILLINGS MT 59108 PIERCE & ASSOCIATES 1424 N DODGE Ave HELENA MT 59601 PIERCE DENNIS PO BOX 759 CHOTEAU MT 594220759 Pierce Flooring & Design Cente 800 Dewey Blvd Butte MT 59701 Pierce Flooring & Design Center Inc 800 Dewey Blvd Butte MT 59701 PIERCE MANUFACTURING CO INC 3445 HIGHWAY 93 S KALISPELL MT 59901 PIERRE CHAMBER OF COMMERCE PO Box 548 PIERRE SD 57501 Pierson Ford 701 Auto Plaza DR Aberdeen SD 57401 Pierson Ford Atth Tim Pierson 701 Auto Plaza DR Aberdeen SD 57401 PIERSON FORD LINCOLN MERCURY PO Box 1060 ABERDEEN SD 57402-1060 Pierson Ford Lincoln Mercury Inc 701 Auto Plaza DR Aberdeen SD PINE HILLS GOLF RR2 MILBANK SD 57252 PINETREE EAST 312 DONOHOE BLVD YANKTON SD 57078-9999 Pinkerton Consulting & Investigations In Attn Legal Notice 13950 Ballantyne Corporate P Charlotte NC 28277-2712 PINKERTON SERVICES GROUP INC PO Box 406394 ATLANTA GA 30384-6394 PINNACLE PRODUCTS TECHNOLOGIES 6285 W 48TH AVE WHEAT RIDGE CO 80033 PINNACLE TOWERS INC PO Box 409250 ATLANTA GA 30384-9250 PINNACLE WEST CAPITAL CORPORATION PO Box 53999 PHOENIX AZ 85072-3999 PIONEER CONCRETE & FUEL INC 843 MARYLAND BUTTE MT 59701 PIONEER EQUIPMENT & SUPPLY CO 215 CENTENNIAL BUTTE MT 59702-3087 PIONEER GARAGE PO Box 159 HIGHMORE SD 57345 PIONEER MEDICAL CENTER PO Box 1228 BIG TIMBER MT 59011-1228 PIONEER SEWER CLEANING 11485 KONA RANCH Rd MISSOULA MT 59801 PIONEER WEED CONTROL INC PO Box 220 BUTTE MT 59701-9802 PIONEER WEED CONTROL INC RR2 Box 220 BUTTE MT 59701-9802 PIORIER EQUIPMENT CO 1001 E 52ND ST N SIOUX FALLS SD 57101 PIORIER EQUIPMENT CO 4201 N CLIFF SIOUX FALLS SD 57101 PIPELINE PIGGING PRODUCTS INC P O BOX 692005300 HOUSTON TX 77269 Piper Jaffray & Co c o ADP PIT PRINTERS 425 E FRONT ST BUTTE MT 59701 Pitney Bowes PO Box 856460 LOUISVILLE KY 40285-6460 PITNEY BOWES CREDIT CORP 1313 N ATLANTIC AVE 3RD FL SPOKANE WA 99201-2303 PITNEY BOWES CREDIT CORP 3RD Fl 1313 N ATLANTIC AVE SPOKANE WA 99201 PITNEY BOWES CREDIT CORP 3RD Fl 1313 N ATLANTIC AVE SPOKANE WA 99210 PITNEY BOWES CREDIT CORP PO Box 85460 LOUISVILLE KY 40285-5460 PITNEY BOWES CREDIT CORP PO Box 856460 LOUISVILLE KY 40285-6460 Pitney Bowes Credit Corporation 1401 W Bailey Sioux Falls SD 57104-1316 Pitney Bowes Credit Corporation 2225 American Dr Neenah WI 54956-1005 Pitney Bowes Credit Corporation Attn Recovery Dept 27 Waterview Dr Shelton CT 06484-4361 PITNEY BOWES INC 1313 N ATLANTIC 3RD FL SPOKANE WA 99201 PITNEY BOWES INC No4 HIDDEN VALLEY LOOP CLANCY MT 59634 PITNEY BOWES INC NORTH 8506 WALL SPOKANE WA 99208 PITNEY BOWES INC PO Box 850502 LOUISVILLE KY 40233-9801 PITNEY BOWES PURCHASE POWER PO Box 856042 LOUISVILLE KY 40285-6042 PIZZA HUT 511 E HWY No 12 WEBSTER SD 57274 PIZZA HUT 523 COLLEGE DR DEVILS LAKE ND 58301 PK SERVICE 200 14TH Ave S GREAT FALLS MT 59405-4216 PLAINS HIGH SCHOOL PO Box 549 PLAINS MT 59859 PLAINS MARKETING CANDA LP DONN WADEY 1400 8883RD St SW CALGARY AB T2P 5C5 Canada PLAINSMAN 49 3RD ST SE HURON SD 57350-1278 PLAINSMAN 49 3RD ST SE PO Box 1278 HURON SD 57350-1278 PLANNING & DEVELOPMENT DISTRICT III PO Box 687 YANKTON SD 57078 PLANTERIORS UNLIMITED PO Box 628 BILLINGS MT 59103 PLATINUM CHEVROLET 702 PIKE Ave COLUMBUS MT 59019 PLATTE AREA CHAMBER OF COMMERCE 500 S MAIN PLATTE SD 57369-0393 PLATTE FAMILY MEDICAL CLINIC PO Box 818 PLATTE SD 57369 PLATTE PHEASANTS FOREVER PO Box 96 PLATTE SD 57369 PLATTE READY MIX CONCRETE CO 312 PENNSYLVANIA PLATTE SD 57369 PLATTE SANITARY 418 PENNE PLATTE SD 57369

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 110 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Platte Valley Cable TV 1111 S Miller Mitchell SD 57301 Platte Valley Cable TV Mr Jack W Schaefer President 1111 S Miller Mitchell SD 57301 PLATTE VALLEY COMMUNICATIONS 2215 AVE I PO Box 505 KEARNEY NE 68848 PLATTE VALLEY ELECTRIC 502 W FRONT ST NORTH PLATTE NE 69101 PLATTE VALLEY STATE BANK PO Box 430 KEARNEY NE 68848-0430 PLATTE VALLEY WINNELSON CO 721 W OKLAHOMA GRAND ISLAND NE 68801-6752 PLATTS PO Box 848093 DALLAS TX 75284-8093 PLATTS DIVISION OF MCGRAW HLL PO Box 848093 DALLAS TX 75284-8093 PLAYHOUSE PARADE 1550 POLY Dr BILLINGS MT 59102 PLAZA OFFICE 1629 Ave D BILLINGS MT 59102 PLEASANT RIDGE CEMETARY C/O NORMA WEERHEIM ARMOUR SD 57313 PLEASANT VIEW RANCH PO Box 5 HARRISON MT 59735-0005 PLUK PARENTS LETS UNITE FOR KIDS 516 N 32ND St BILLINGS MT 59101-6003 Plum Creek MDF Inc P O Box 1990 Columbia Falls MT 59912 PLUMBERS & PIPEFITTERS NATIONAL 103 ORONOCO St ALEXANDRIA VA 22314 PLUMBERS & PIPEFITTERS NATIONAL 2200 DEFENSE HIGHWAY STE 400 CROFTON MD 21114-2472 PLUMBERS & PIPEFITTERS U L #41 PO Box 3172 BUTTE MT 59702 PLUMBING SERVICE 479 LOWER LYNCH CREEK RD LOT 31 PLAINS MT 59859-9500 PLYMOUTH COUNTY TREASURER 215 4TH AVE SE LEMARS IA 51031 PLYMOUTH COUNTYTREASURER 215 4TH AVE SE LEMARS IA 51031 PLYMOUTH PRODUCTS 12472 COLLECTION CENTER DR CHICAGO IL 60693 PNGC 711 NE HALSEY Ste 200 PORTLAND OR 97232-1268 POINSETT COLONY 46527 189th St ESTELLINE SD 57234-5707 POINT JILL 3912 BENJAMIN Dr SIOUX FALLS SD 571037146 POLAR ELECTRIC INC PO Box 5446 HELENA MT 59604-5446 POLK DIRECTORIES PO Box 2981 OMAHA NE 68103-2981 Polonius Partners LLC 1 Sound Shore Dr Greenwich CT 06830 POLSON HIGH SCHOOL 114 4TH Ave E POLSON MT 59860 POLYMER SERVICES GROUP 69 COLORADO DR SOMERS CT 06071 PONDERA COUNTY CLERK & RECORDER 20 4TH AVE SW CONRAD MT 59425 PONDERA COUNTY COMBINED FUND Dr GREAT FALLS MT 59403 PONDERA COUNTY TREASURER COURTHOUSE CONRAD MT 59425 PONDERA MEDICAL CENTER 805 SUNSET BLVD CONRAD MT 59425 Ponderosa Cafe PO Box 391 Kimball SD 57355 POOREROTH & ROBINSON PC 1341 HARRISON Ave BUTTE MT 59702 POPELKA ENTERPRISES LLC PO Box 50126 BILLINGS MT 59105-0126 POPP BINDING & LAMINATING INC PO Box 428 LIDGERWOOD ND 58053 PORTER GRAPHICS 1620 S SEGUIN NEW BRAUNFELS TX 78131-1568 PORTER GRAPHICS PO Box 311568 NEW BRAUNFELS TX 78131-1568 PORTLAND GENERAL ELECTRIC 121 SW SALMON 1 WTC501 PORTLAND OR 97204 Portland General Electric Company 121 SW SALMON 1 WTC501 PO Box 3340 PORTLAND OR 97204 Portland General Electric Company Director Transmission Services 121 SW Salmon 3WTC0506 Portland OR 97204 POSITRON INC 5101 RUE BUCHAN ST MONTREAL QC H4P 2R9 Canada POSITRON INC 1320 ROUTE 9 CHAMPLAIN NY 12919 POSTAGE BY PHONE PO Box 856042 LOUISVILLE KY 40285-6042 POSTAL SERVICES 3835 W OLD POTASH HIGHWAY GRAND ISLAND NE 68803-9977 POSTMASTER 119 E CENTER MADISON SD 57042-9998 POSTMASTER PO Box 9998 TRIPP SD 57376-9998 POTEET CONSTRUCTION 9435 SUMMIT DR MISSOULA MT 59808-9440 Poteet Construction 9435 Summit Dr Missoula MT 59808 POTOMAC TELEVISION/COMM INC 480 NATIONAL PRESS BLDG WASHINGTON DC 20045 POULSENS INC 826 NORTHWEST BYPASS GREAT FALLS MT 59404 POWDER COATING OF MONTANA PO Box 3838 MISSOULA MT 59806 POWELL COUNTY TREASURER 409 MISSOURI AVENUE DEER LODGE MT 59722 POWELL COUNTY CLERK & RECORDER 409 MISSOURI Ave DEER LODGE MT 59722 POWELL COUNTY HIGH SCHOOL JOE BROTT DEER LODGE MT 59722 POWELL COUNTY HUNTERS SAFETY 242 MOUNTAIN LION LANE DEER LODGE MT 59722 POWELL COUNTY MEDICAL CENTER 1101 TEXAS AVE DEER LODGE MT 59722 POWELL COUNTY MUSEUM & ARTS FDN 1106 MAIN DEER LODGE MT 59722 POWELL COUNTY TREASURER 409 MISSOURI Ave DEER LODGE MT 59722 POWELL SAM 315 VALLEY DR BOZEMAN MT 597152657 Power Chevrolet 1501 Cedar St Helena MT 59601 POWER CONVERSION PRODUCTS LLC PO Box 6197 CHICAGO IL 60680-6197 POWER COSTS INC 3000 S BERRY Rd Ste 100 NORMAN OK 73072 Power Engineers Inc 1295 S Eagle Flight Way Boise ID 83709 POWER ENGINEERS INCORPORATED 1295 S EAGLE FLIGHT WAY BOISE ID 83709 POWER ENGINEERS INCORPORATED 1295 SOUTH EAGLE FLIGHT WAY BOISE ID 83709 POWER MONITORS INC 1661 VIRGINIA AVE HARRISONBURG VA 22802-8322 POWER RESOURCE MANAGERS 2100 112TH AVE NE Ste 100 BELLEVUE WA 98004-2911 Power Resource Managers LLP 2100 112th Ave NE Ste 100 Bellevue WA 98004-2911 POWER TECHNOLOGIES INC 1482 ERIC BLVD SCHENECTADY NY 12301-1058 POWER WASH OF HAMILTON PO Box 2005 HAMILTON MT 59840 POWEREX 666 BURRARD ST Ste 1440 VANCOUVER BC V6C 2X8 Canada Powerex Corp 666 BURRARD ST Ste 1440 VANCOUVER BC V6C 2X8 Canada POWERLYTIX LLC PO Box 501171 ST LOUIS MO 63150-1171 POWERPLAN PO Box 5328 MADISON WI 53705-0328 POWERS PATRICK 933 ZARELDA ST BUTTE MT 597018545 POWERSAFE BATTERIES PO Box 1968 LAKE OSWEGO OR 97036-0058 POWERSAFE STANDBY BATTERIES INC PO Box 1968 LAKE OSWEGO OR 97035-0058 POWERSOURCE TRAINING & FITNESS 2600 5TH Ave S GREAT FALLS MT 59405 PP&L ENERGY PLUS CO LLC 2 N NINTH St ALLENTOWN PA 18101 PP&L Energy Plus Co LLC Energy Operations Manager 2 N Ninth St Allentown PA

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 111 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country PP&L Energy Plus Co LLC Joseph P Langan Energy Operations Manager 2 N Ninth St Allentown PA 18101 PP&L MONTANA 45 BASIN CREEK RD BUTTE MT 59701 PP&L MONTANA US BANK BUILDING 303 N BROADWAY Ste 400 BILLINGS MT 59101 PP&L MONTANA LLC PO Box 38 COLSTRIP MT 59323-0038 PP&L Montana LLC Two North 9th St Allentown PA 18101-1179 PPL Corporation Office of General Counse Two N Ninth St ALLENTOWN PA 18101 PPL MONTANA LLC Attn David B Kinnard Esq 303 N BROADWAY #400 BILLINGS MT 59101 PPL MONTANA LLC Attn David B Kinnard Esq 303 N BROADWAY 400 BILLINGS MT 59101 PPL MONTANA LLC PO Box 38 COLSTRIP MT 59323-0038 PPL MONTANA LLC Peter A Ivanick Esq John G Nicolich Esq LeBoeuf Lamb Greene & MacRae 125 West 55th St New York NY 10019 PPL MONTANA LLC AND PPL ENERGY PLUS LLC AS AGENT 45 BASIN CREEK ROAD ATTN DIR OF TRADING AND MARKETING BUTTE MT 59701 PPLM MONTANA LLC 303 N BROADWAY Ste 400 BILLINGS MT 59101 PPLM MONTANA LLC CHIEF OPERATING OFFICER 303 N BROADWAY Ste 400 BILLINGS MT 59101 PR NEWSWIRE PO Box 5897 New York NY 10087-5897 PR NEWSWIRE ASSOCIATIONS INC 810 SEVENTH Ave 35TH Fl NEW YORK NY 10019 PR NEWSWIRE INC PO Box 5897 NEW YORK NY 10087-5897 PRACTISING LAW INSTITUTE DEPARTMENT LUAO NEW YORK NY 10019 PRAIRIE BUSINESS PO Box 5878 GRAND FORKS ND 58206-5878 PRAIRIE ENTERPRISES INC PO Box 541 CUT BANK MT 59427 PRAIRIE FIRE COMMUNICATIONS 124 S FIRST ST ABERDEEN SD 57401 Prairie Fire Communications Attn Lisa Reiter 3600 S Minnesota Ave Ste 1 Sioux Falls SD 57105-6446 Prairie Fire Internet Technologies LLC 140 N Phillips Ave Sioux Falls SD 57104 PRAIRIE HEALTH CLINIC 708 8TH ST ARMOUR SD 57313 PRAIRIE HISTORICAL SOCIETY PO Box 256 MADISON SD 57042 PRAIRIE OAK COMMUNICATIONS INC 323 KEYSTONE AVE RIVER FOREST IL 60305-2023 PRAIRIE VIEW PO Box 3275 SIOUX CITY IA 51102-3275 PRAIRIEVIEW APARTMENTS 607 REGAL DR YANKTON SD 57078 PRAIRIEWAVE PO Box 5191 SIOUX FALLS SD 57117-5191 PRAXAIR DISTRIBUTION c o D&B RMS Bankruptcy Services PO Box 5126 Timonium MD 21094 PRAXAIR DISTRIBUTION DEPT CH 10660 PALATINE IL 60055-0660 PRAXAIR DISTRIBUTION PO Box 5126 Timonium MD 21094 PRE RELEASE CENTER 1019 15TH ST N GREAT FALLS MT 59401 PREBON ENERGY INC PO Box 2010 JERSEY CITY NJ 07303-2010 PRECISION REPORTING LTD 105 S EUCLID AVE STE E PIERRE SD 57501 PREFERRED OFFICE EQUIPMENT INC 501 EIGHTH AVE S GREAT FALLS MT 59403 PREFERRED PUBLISHING 414 S CRAIG St PITTSBURGH PA 15213 PREFORMED LINE PRODUCTS CO 9227 NEEE 180TH BOTHELL WA 98041 PREISENDORF PLUMBING & HEATING PO Box 1253 GRAND ISLAND NE 68802-1253 PREMAX LLC 8000DEPT29 BUFFALO NY 14267 PREMIER IMPRESSIONS 105365 CAVE SPRINGS BLVD ST PETERS MO 63376 PRENTICE HALL PO Box 11074 DES MOINES IA 50336-1074 PRENTICE HALL DIRECT PO Box 11074 DES MOINES IA 50336-1074 Presentation Heights Junior College 15th Ave NW N 2nd St Aberdeen SD PRESENTATION SISTER 1500 W MAIN ABERDEEN SD 57401 PRESENTATION SISTERS 1500 W MAIN ABERDEEN SD 57401 PRICEWATERHOUSECOOPERS LLP PO Box 310010068 PASADENA CA 91110-0068 PRICEWATERHOUSECOOPERS LLP PO Box 75647 CHICAGO IL 60675-5647 PRICKLY PEAR SIGNS & DESIGNS 4509 PRAIRE Dr HELENA MT 59602 PRIDE NEON INC 3010 W 10TH ST SIOUX FALLS SD 57104 PRIEN BLACKSMITH SHOP BLACKSMITHING AND WELDING PARKSTON SD 57366 PRIME TIME TAVERN 2110 DAKOTA S HURON SD 57350 PRIMETIME ADVERTISING 13032 NACOGDOCHES RD No 204 SAN ANTONIO TX 78217 Primevest Financial Services Inc c o ADP PRINCIPAL FINANCIAL GROUP PO Box 7000 WATERLOO IA 50704-7000 PRINTED IMPRESSIONS 900 E SIXTH ST FREEMAN SD 57029-0327 PRINTERS PLUS/SIGN PRO PO Box 2690 GREAT FALLS MT 59403 PRINTING & PUBLICATIONS CORP 21 CABOT BLVD LANGHORNE PA 19047 PRISYM 211 N 1ST St MINNEAPOLIS MN 55401 PRISYM GROUP INC 211 N 1ST ST STE 280 MINNEAPOLIS MN 55401 PRO AUTO SANDBLASTING 2511 E HWY 50 YANKTON SD 57078 PRO CLEAN CARWASH PO Box 458 KALISPELL MT 59903-0458 PRO LANDSCAPE PO Box 132 YANKTON SD 57078 PRO MED SERVICES 505 W PARK ST BUTTE MT 59701 Pro Med Services Inc 630 W Mercury Butte MT 59701 PRO PRINTING & GRAPHICS 521 RODEO RD NORTH PLATTE NE 69103-0608 PRO TECH POWER SALES INC 2579 HAMLINE AVE ROSEVILLE MN 55113 PRO WINDOW SERV INC 5011 HILLCREST RD BILLINGS MT 59101 PROCESS SERVERS INC PO Box 6513 GREAT FALLS MT 59406 PRODATA 2809 S 160TH St Ste 401 OMAHA NE 68130 PRODATA COMPUTER SERVICES INC 2809 S 160TH ST STE 401 OMAHA NE 68130 PRODUCT PRODUCTIONS INC 1806 W GRAND AVE CHICAGO IL 60622 PRODUCT SOURCE INC 25 DICAROLIS COURT HACKENSACK NJ 07601 PRODUCT SOURCE INTL DATACOMM 10 CALUMET AVE OAKLAND NJ 07436 PROFESSIONAL COLL SERVICE 414 E A ST NORTH PLATTE NE 69103

PROFESSIONAL COMPUTER SOLUTIONS LLP 305 W MERCURY Ste 306 BUTTE MT 59701-1659 PROFESSIONAL CONSULTANTS INC 3115 RUSSELL ST MISSOULA MT 59806-1750 PROFESSIONAL MAILING & 13 2ND ST SE WATERTOWN SD 57201-3656 Professional Mailing & Marketing 13 2nd St SE Watertown SD 57201 Professional Mailing & Marketing 13 2nd St SE Watertown SD 59201 PROFESSIONAL MAILING & MARKETING 305 BROWN COUNTY 19 S ABERDEEN SD 57401

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 112 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country PROFESSIONAL MAILING MARKETING 305 BROWN COUNTY Rd 19 S ABERDEEN SD 57401 PROFESSIONAL SECURITY 17 2ND AVE SW WATERTOWN SD 57201-1511 PROFESSIONAL TRAINING SEMINAR PO Box 255 HELENA MT 59624 PROGLASS PO Box 581 WAUNA WA 98395 PROGRESSIVE BUSINESS PUBLICATIONS 370 TECHNOLOGY DR MALVERN PA 19355 PROGRESSIVE INSURANCE 1018 B 14TH ST SE WATERTOWN SD 57201 PROJECT TELEPHONE COMPANY INC PO Box 600 SCOBEY MT 59263 Project Telephone Company Inc PO Box 600 Scobey MT 59263-0600 PROLIANT INC AGENT US ENERGY SERVICES 100 SUPERIOR BLVD Ste 201 WAYZATA MN 55391 PROLINE PIPE EQUIPMENT INC 6120 DAVIES Rd EDMONTON AB T6E 4M9 Canada PRONTO AUTO SUPPLY 301 W 1ST ST MITCHELL SD 57301 PRONTO AUTO SUPPLY PO Box 756 PARKSTON SD 57366 PRONTO PROCESS SERVICE 211 N HIGGINS Ave Ste M04 MISSOULA MT 59802 PROPANE EQUIPMENT SUPPLY 3768 S 300 W SALT LAKE CITY UT 84115 Propane Equipment Supply c o Dixie Transport Inc 3768 S 300 W Salt Lake City UT 84115

Propane Equipment Supply co Dixie Transport Inc 3768 S 300 W Salt Lake City UT 84115 PROPANE SERVICES INC PO Box 4743 BUTTE MT 59702 PROSTROLLO MOTOR 1001 S WASHINGTON MADISON SD PROSTROLLO MOTOR CO PO Box 288 MADISON SD 57042 PROSTROLLO MOTOR SALES INC 500 4TH ST NE HURON SD 57350 PROTECH MECHANICAL INC PO Box 23334 BILLINGS MT 59104 PROTECTICE COATING SPECIALIST INC HWY 14 HURON SD PROTECTIVE LIFE INSURANCE CO PO Box 11407 BIRMINGHAM AL 35246-0659 PROUDFOOT REPORTS INCORPORATED PO Box 29529 NEW YORK NY 10087-9529 PROVEN GRAPHICS PO Box 10023 KALISPELL MT 59904 PROXIM CORPORATION 305 SOQUEL WAY SUNNYVALE CA 94089 Prudential Equity Group Inc Attn Greg Candela One Seaport Plaza 34th Floor PO Box 199 Water St New York NY 10292 Prudential Equity Group Inc Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 Prudential Equity Group LLC Attn Gregory P Candela Esq One New York Plaza New York NY 10292 Prudential Equity Group LLC Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 PRUSHA RICHARD 1216 DOUGLAS AVE YANKTON SD 57078 PRUSSMAN CONTRACTING INC 223 RAILROAD St BROOKINGS SD 57006 Pryor Cashman Sherman & Flynn LLP Attn Tina N Moss Esq 410 Park Avenue New York NY 10022 PRYOR RESOURCES INC FRED PRYOR SEMINARS SHAWNEE MISSION KS 66201 PSA WEST INC 923 FOSTER DR CASPER WY 82601 PTOP LLC 1300 W 57TH ST SIOUX FALLS SD 57108 PUBLIC AFFAIRS COUNCIL 2033 K ST NW STE 700 WASHINTON DC 20006 PUBLIC AUCTION YARDS 118 MINNESOTA Ave BILLINGS MT 59103 PUBLIC RELATIONS SOCIETY OF AMERICA 33 IRVING PLACE NEW YORK NY 10003-2376 PUBLIC SERVICE CO OF COLORADO 1099 18TH St Ste 3000 DENVER CO 80202-1930 Public Service Company of Colorado Large C&I Segment Manager 1099 18th St Ste 3000 Denver CO 80202 Public Service Company of Colorado Large C&I Segment Manager 1225 17th Ste 1100 Denver CO 80202 PUBLIC SERVICE OF COLORADO PO Box 840 DENVER CO 80202 PUBLIC UTILITIES COMMISSION PIERRE SD 57501 PUBLIC UTILITIES DEPARTMENT CITY OF BILLINGS BILLINGS MT 59711 OFFICE OF GOVERNMANTWIDE REAL PUBLIC UTILITIES DIVISION PROPERTY POLICY GENERAL SERVICE ADMINISTRATION WASHINGTON DC 80405 PUBLIC UTILITIES FORTNIGHTLY 8229 BOONE BLVD STE 401 VIENNA VA 22182-2623 PUBLIC UTILITIES REPORT INC 8229 BOONE BLVD Ste 401 VIENNA VA 22182 PUBLIC UTILITIES REPORT INC 8229 BOONE BLVDE Ste 401 VIENNA VA 22182 PUBLIC UTILITY DISTRICT NO 1 2320 CALIFORNIA St EVERETT WA 98201 PUBLIC UTILITY DISTRICT NO 1 2721 W 10TH AVE KENNEWICK WA 99336-0270 PUBLIC UTILITY DISTRICT NO 1 2721 W 10TH AVE PO Box 6270 KENNEWICK WA 99336-0270 PUBLIC UTILITY DISTRICT NO 1 OF PO Box 1231 WENATCHEE WA 98807 Public Utility District No 1 of Benton County Washington 2721 W 10th Ave PO Box 6270 Kennewick WA 99336-0270 PUBLIC UTILITY DISTRICT NO 2 PO Box 878 EPHRATA WA 98823-0878 PUBLIC UTILITY DISTRICT NO1 OF PO Box 1119 BRIDGEPORT WA 98813 Public Utility District OF Franklin Count PO Box 2407 Pasco WA 99303-2407 PUBLICATION DESIGNS PO Box 1711 BILLINGS MT 59103 PUBLISHERS SERVICES EXCHANGE 221 W TENTH ST STE B MEDFORD OR 97501-8603 Puget Sound Energy PO Box 97034 BELLEVUE WA 98009-9734 Puget Sound Energy Wayman Robinett Director Wholesale Transmission 411 108th Ave NE Bellevue WA 98004 Puget Sound Energy Contact Darren Wilkens PO Box 97034 BELLEVUE WA 98009-9734 PUGET SOUND ENERGY INC PO Box 97034 BELLEVUE WA 98009-9734 Puget Sound Power & Light Company PO Box 97034 BELLEVUE WA 98009-9734 PUGET SOUND POWER & LIGHT COMPANY PO BOX 97034OBC14N BELIEVUE WA 98009-9734 Puget Sound Power & Light Company Ralph Olson PSE 411 108th Ave NE OBC14E PO Box 97034 OBC14E Bellevue WA 98009-9734 PULI SOFTWARE RESEARCH 2205 BRUNSON MIDLAND TX 79701 PULSAR TECHNOLOGIES 4050 NW 121ST AVE CORAL SPRINGS FL 33065 PUMP SYSTEMS INC PO Box 1940 DICKINSON ND 58602-1940 PURCELL SAND & GRAVEL PO Box 1743 RED LODGE MT 59068 PURCHASE POWER PO Box 856042 LOUISVILLE KY 40285-6042 PUSH PEDAL PULL 2300 W 41ST ST SIOUX FALLS SD 57105 PUTMAN & ASSOCIATES INC 536 W RESERVE KALISPELL MT 59901 PUTNAM & ASSOCIATES 536 W RESERVE ST KALISPELL MT 59901 PWRCAST INC 7260 NE EARLWOOD RD NEWBERG OR 97132 PwrCast Inc 7260 NE Earlwood Rd Newburg OR 97132 PYRAMID PRINTING 1118 W CENTRAL AVE MISSOULA MT 59801 PYTHON GRAPHICS 624 E PARK AVE ANACONDA MT 59711 Q Communications 1 N Chance Gulch Helena MT 59601

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 113 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Q Communications Bonnie Lambert 1 N Chance Gulch Helena MT 59601 Q COMMUNICATIONS GROUP 2 NE LAST CHANCE GULCH HELENA MT 59601 QUADNA 2803 E CHAMBERS ST PHOENIX AZ 85040-3736 QUALIFIED PRESORT SERVICES INC 2501 W 5TH ST SIOUX FALLS SD 57101-1832 QUALITROL CORPORATION 1385 FAIRPORT RPAD FAIRPORT NY 14450-1309 QUALITY FIRST PROFESSIONAL 4828 E MAYWOOD DR SIOUX FALLS SD 57110 Quality First Professional Cleaning 200 E Pinehurst Cir Sioux Falls SD 57108 QUALITY FLOOR CARE PO Box 31862 BILLINGS MT 59107-1862 QUALITY HEATING INC 203 RODEO RD NORTH PLATTE NE 69101 QUALITY INN & SUITES 2102 S JEFFERS NORTH PLATTE NE 69101 QUALITY INSPECTION SERVICES INC POBOX 520 GOODWELL OK 73939 QUALITY MACHINE SERVICE PO Box 983 Manhattan Mt 59741-0983 QUALITY MAINTENANCE ENTERPRISES INC PO Box 3043 MISSOULA MT 59806 Quality Maintenance Enterprises LLC PO Box 3043 Missoula MT 59806 QUALITY PROMOTIONAL PRODUCTS 36 S LAST CHANCE GULCH L8 HELENA MT 59601-4126 QUALITY QUICK PRINT INC 112 N MAIN ST ABERDEEN SD 57401-3429 Quality Resource & Services Inc PO Box 14781 Spokane WA 99214 QUALITY RESOURCES SERVICES INC PO Box 14781 SPOKANE WA 99214 QUALITY STORES INC PO Box 995 MUSKEGON MI 49443-0995 QUALITY WELDING INC 307 N ROOSEVELT ABERDEEN SD 57401-3353 QUEEN OF PEACE HOSPITAL 525 N FOSTER MITCHELL SD 57301-3040 QUEST AVIATION INC PO Box 4850 ABERDEEN SD 57402-4850 QUEST DIAGNOSTICS INC PO Box 78653 PHOENIX AZ 85062-8653 QUEST ENGINEERING INC 3616 N CLIFF AVE SIOUX FALLS SD 57104 QUEST ENGINEERING INC 3616 NORTH CLIFF AVE SIOUX FALLS SD 57104 Quick Silver Interactive Group 2602 McKinney Ave Ste 450 Dallas TX 75204-8693 QUILICI GLASS PO Box 525 BUTTE MT 59703 QUINN MATTHEW 4799 CHRISTIAN DR MISSOULA MT 59803 QUIST CURTIS 3420 WHARTON ST BUTTE MT 597014537 QUOG ELLEX BPS 250 TOTOKET Rd NORTH BRANFORD CT 06471 QWEST 17J DENVER CO 80217-3784 QWEST ATTN VICE PRESIDENT OF REAL ESTATE 1801 CALIFORNIA St 46TH Fl DENVER CO 80202 Qwest PO Box 12480 SEATTLE WA 98111-4480 Qwest PO Box 1301 MINNEAPOLIS MN 55483-0001 Qwest PO Box 173754 DENVER CO 80217-3154 QWEST PO Box 17J DENVER CO 80217-3784 QWEST PO Box 2348 SEATTLE WA 98111-2348 Qwest PO Box 3400 OMAHA NE 68103 Qwest DENVER CO 80217-3784 QWEST CLAIMS PO Box 2348 SEATTLE WA 98111-2348 QWEST CLAIMS PO Box 2348 SEATTLE WA 98111 QWEST CLAIMS CENTER PO Box 47604 PLYMOUTH MN 55447 Qwest Communications Corporation 1801 California St Ste 3800 Denver CO 80202 QWEST COMMUNICATIONS CORPORATION ATTN LEGAL DEPARTMENT 1801 CALIFORNIA St Ste 3800 DENVER CO 80202 Qwest Corporation Mr Terry Hasselbring Contract Manage 1315 W Amity Room 1 Boise ID 83705 Qwest Corporation Andrew Sherman Esq Sills Cummis Epstein & Gross PC Attn Andrew Sherman Esq One Riverfront Plaza Newark NJ 07102 Qwest Corporation Sills Cummis Epstein & Gross PC Attn Andrew Sherman Esq One Riverfront Plaza Newark NJ 07102 Qwest Corporation Sills Cummis Epstein & Gross PC One Riverfront Plaza Newark NJ 07102 QWEST DEX DEPARTMENT 334 DENVER CO 80271 QWEST DEX PO Box 173799 DENVER CO 80271 QWEST INTERPRISE PO Box 3400 OMAHA NE 68103-0400 QWEST LAW DEPARTMENT ATTN REAL ESTATE ATTORNEY 1801 CALIFORNIA St 46TH Fl DENVER CO 80202 QWIZ INC 91657 COLLECTIONS CTR DR CHICAGO IL 60693 R & J ENTERPRISES 13900 BRIDGER CANYON RD BOZEMAN MT 59715 R & J GRAIN DRYERS INC 1622 MAIN AVE FARGO ND 58103 R & J RENTALS INC 2101 RODEO RD NORTH PLATTE NE 69101 R & R AMOCO 39277 206TH ST WOLSEY SD 57384-6017 R & R PLUMBING 233 S GUNBARREL RD GRAND ISLAND NE 68801 R C SIMPSON INC 5950 FAIRVIEW Rd Ste 604 CHARLOTTE NC 28210 R C TECHNOLOGIES PO Box 5689 Helena MT 59604-5689 R CLEANERS 121 3RD Ave S SHELBY MT 59474 R D CORETTE Joseph H Huston Jr Stevens & Lee PC 1105 North Market Street Seventh F Wilmington DE 19801 R D CORETTE Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 R E HUFFMAN CO 401 S MAIN ST ABERDEEN SD 57402-0077 R E Miller & Sons 15 Ramshorn Dillon MT 59725 R L POLK & COMPANY 400 E LINWOOD Blvd KANSAS CITY MO 64109 R L SCHAFF CONCRETE CONSTRUCTION PO Box 954 BILLINGS MT 59103 R P SOLUTIONS INC 2415 N TRIPHAMMER RD STE 2 ITHACA NY 14850 R R LODDERS & ASSOCIATES 5315 CHEYENNE TRAIL BILLINGS MT 59106 R S GIULIO PO Box 330 BOULDER MT 59632 R S STOVER COMPANY PO Box 5101 DES MOINES IA 50306-5101 R T D PROMOTIONS LTD PO Box 6105 GREAT FALLS MT 59406 R W LYALL & COMPANY INC 2665 RESEARCH Dr CORONA CA 92882-6918 R W LYALL & COMPANY INC 2665 RESEARCH Dr PO Box 2259 CORONA CA 92882-6918 R&R ELECTRIC INC 631 UTAH Ave BUTTE MT 59701 RACOM CORPORATION 201 W STATE MARSHALLTOWN IA 50158 RACOTA VALLEY RANCH RR 1 HAZEL SD 57242 RADAR ENGINEERS 9535 NEEE COLFAX St PORTLAND OR 97220 RADAR INC E 223 PACIFIC SPOKANE MT 99202 RADAR INC E 223 PACIFIC SPOKANE WA 99202 RADARS TREE SERVICE PO Box 622 LAKE ANDES SD 57356 RADIANT HEAT INC PO Box 477 SIOUX FALLS SD 57101

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 114 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country RADIO FREQUENCY SYSTEMS INC CABLEWAVE SYSTEMS DIVISION FREMONT CA 94538 RADIO SHACK 109 S MAIN BRIDGER MT 59014 RADIO SHACK CORP PO BOX 961090 FORT WORTH TX 76161-5000 RADIO SHACK VARIETY PLUS 100 N MAIN ST CHAMBERLAIN SD 57325 RADIODETECTION CORPORATION 35A WHITNEY Rd MAHWAH NJ 07430 RADISSON HOTELS & SUITES 200 N 4TH ST ST LOUIS MO 63102 RAFTER B CONSTRUCTION INC PO Box 1318 FORT BENTON MT 59442 RAGAN COMMUNICATIONS INC 316 N MICHIGAN AVE STE 300 CHICAGO IL 60601-9756 RAGANS COMMUNICATION RAGANS INTRANET REPORT CHICAGO IL 60601 RAINBOW 1 HOUR PHOTO INC 3333 HARRISON Ave BUTTE MT 59701-3543 RAINBOW ENERGY MARKETING CORP 919 S 7TH ST Ste 405 BISMARCH SD 58504 RAINBOW FLOWER SHOP 162 3RD ST SW HURON SD 57350 RAINBOW PLAY SYSTEMS 500 RAINBOW PARKWAY BROOKINGS SD RAINBOW THOMAS 2400 S Center Ave Sioux Falls SD 57105 RAINJET OF MONTANA 8120 DOUBLE TREE LANE MISSOULA MT 59801 RAINJET OF MONTANA 8120 DOUBLE TREE Ln MISSOULA MT 59801 RALPH & BONNIE TAYLOR 221 E 3RD ST BRISTOL SD 57219 RAM ENTERPRISES 24 N MAIN ABERDEEN SD 57401 RAMAC INC PO BOX 358 CHESTER MT 59522 RAMADA COPPER KING 4655 HARRISON AVE BUTTE MT 59701 RAMADA COPPER KING INN 4655 HARRISON Ave BUTTE MT 59701 RAMADA INN 3333 RAMADA ROAD GRAND ISLAND NE 68801 RAMADA INN PO Box 1925 KEARNEY NE 68848 RAMADA INN ABERDEEN 2727 6TH AVE SE ABERDEEN SD 57401 RAMADA INN RESTAURANT 3333 RAMADA ROAD GRAND ISLAND NE 68801 RAMADA LIMITED 2118 Broadway YANKTON SD 57078 RAMAKER SWANSON INC 500 5TH Ave NE CHOTEAU MT 59422 RAMKOTA INN SIOUX FALLS 2400 N LOUISE AVE SIOUX FALLS SD 57107 RANCHLAND RENTALS 421 S SYCAMORE NORTH PLATTE NE 69101-4575 RANDALL BRIAN RR 1 BOX 272 CANISTOTA SD 57012-9999 RANDALL BURG 6805 MEADOW DR MISSOULA MT 59802 RANDY BENTHAM TRUCKING PO Box 5352 MISSOULA MT 59806-5352 RANDY DARCY 14950 SUMMER OAKS DR WAYZATA MN 55391 Randy G Darcy Latham & Watkins LLP Attn Michele Kyrouz 505 Montgomery St Suite 1900 San Francisco CA 94111-2562 Randy Hanson 12012 NE 95th St STE 16 Vancouver WA 68682-2450 Randy Hanson RR 1 Box 124 Castlewood SD 57223 RANDY HINCKLEY PO Box 342 ARMOUR SD 57313-0342 RANDY MYERS PO Box 375 AVON SD 57315 Randy Novakovich dba Bridger Cable TV PO Box 561 Bridger MT 59014 Randy Oppegaard dba Grizzley Power Clean 1413 S 4th St W Missoula MT 59801 RAPCOMM LLC 844 W Broadway BUTTE MT 59701 RAPELJE HIGH SCHOOL PO Box 89 RAPELJE MT 59067 RAPIDIGM INC 4400 CAMPBELLS RUN RD PITTSBURGH PA 15205 RARUS RAILWAY COMPANY 300 W COMMERCIAL ANACONDA MT 59711 Rasmussen Janitorial Services Inc PO Box 1523 Havre MT 59501 RASMUSSENS JANITORIAL SERVICE PO Box 1523 HAVRE MT 59501-1523 RAVALLI COUNTY CLERK&RECORDER 215 4TH ST STE C HAMILTON MT 59840 RAVALLI COUNTY ELECTRIC COOP INC PO Box 190 CORVALLIS MT 59828-0190 RAVALLI COUNTY GYMNASTICS PO Box 78 HAMILTON MT 59840 RAVALLI COUNTY ROAD DEPT 244 E FAIRGROUNDS RD HAMILTON MT 59840 RAVALLI COUNTY TREASURER 215 S 4TH ST STE C HAMILTON MT 598402703 RAVALLI COUNTY TREASURER 215 S 4TH ST STE C HAMILTON MT 59840-2703 RAVALLI REPUBLIC 232 MAIN St HAMILTON MT 59840 Ravalli Republic 232 W Main Hamilton MT 59840 Ravalli Republic Linda Pollard 232 W Main Hamilton MT 59840 RAVI S GOUR INC 16215 S 36TH ST PHOENIX AZ 85048 Ray and Beverly Miotke Brown Law Firm 315 North 24th Street PO Drawer 849 Billings MT 59103-0849 Ray B Oday c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RAY DICKINSON PO BOX 609 ENNIS MT RAY FINLEY 570 WESTSIDE RD MISSOULA MT 59840 RAY LINCOLNS MOBILE WINDSHILD 2120 S RESERVE ST PMB212 MISSOULA MT 59801 RAY PETERSON ELECTRIC INC 511 MAPLE ST ANACONDA MT 59711-2837 RAY R CORDEIRO PO Box 146 BOULDER MT 59632-0146 RAY STANDIFORD PO Box 358 CHESTER MT 59522 RAYMOND C BURNETT 3766 Sunchase Dr Castle Rock CO 80109-7980 RAYMOND G DICKINSON PO Box 609 ENNIS MT 59279 Raymond James & Associates Inc c o ADP RAYMOND KORTHOUR 425 S DOBSON MITCHELL SD 57301 RAYMOND L SHRINER ROUTE 1 N HIGHWAY 218 GRAND ISLAND NE 688001 RAYMOND M SCHUTZ PO Box 115 ABERDEEN SD 57402 RAYMOND NORCOTT 2221 S BRANDT CIRCLE LINCOLN NE 68506 RAYMOND OIL COMPANY PO Box 142 HURON SD 57350 Raymond Oil Company PO Box 142 Huron SD 57350-0142 Raymond ParkerDryer RR 1 Box 122 Clear Lake SD 57226 RBC Dain Rauscher Incorporated c o ADP RBS CELLULAR CONNECTION 1500 DAKOTA S HURON SD 57350 RC COMMUNICATIONS 205 MAIN ST NEW EFFINGTON SD 57255-0196 RD Corette Corette Pohlman & Kebe Mayer Building 129 W Park St PO Box 509 Butte MT 59703 RD Corette c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 RD Corette RD Corette Corette Pohlman & Kebe Mayer Building 129 W Park St PO Box 509 Butte MT 59703 RDI MARKETING 9920 CARVER RD CINCINNATI OH 45242 RDM MULTI ENTERPRISES INC 105 NE SILVER St ANACONDA MT 59711

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 115 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country RDO EQUIPMENT CO 4935 6TH AVE SE ABERDEEN SD 57402-0054 RDO EQUIPMENT CO 4935 6TH AVE SE PO Box 54 ABERDEEN SD 57402-0054 RDR PLUMBING & HEATING 14 5TH AVE SW ABERDEEN SD 57401 RE Miller & Sons 15 Ramshorn Dillon MT 59725 REACH INC 2134 INDUSTRIAL Dr BOZEMAN MT 59715 READY MIXED CONCRETE CO OF PO Box 80268 LINCOLN NE 68501 REAGLE TESTING SERVICE 13601 387TH AVE ABERDEEN SD 57401 Real Food Store Inc 501 Fuller Ave Helena MT 59601 REALSYSTEMS 2601 ELLIOTT AVE Ste 1000 SEATTLE WA 98121 Rebecca Mattson et al Plaintiffs and Class Members in Mattson V Montana Power No DV99 548A Thomas R Meites Meites Mulder Burger & Mollica 208 S LaSalle St Ste 1410 Chicago IL 60604 REBECCA W HEBERLE TRUSTEE PO Box 74 FORSYTH MT 59327 RECTORS REDIMIX CONCRETE 3440 W OLD HIGHWAY 30 GRAND ISLAND NE RED FOX SUPPER CLUB 4030 FOX RIDGE DR HELENA MT 59602 RED LION 2100 CORNELL Ave BUTTE MT 59701 RED LION HOTEL 2100 CORNELL BUTTE MT 59701 RED LOBSTER #0734 GENERAL MILLS RESTAURANT PO BOX 593123 ORLANDO FL 32859-3123 RED LODGE AREA CHAMBER OF CMCE PO Box 988 RED LODGE MT 59068 RED LODGE BASEBALL & SOFTBALL PO Box 985 RED LODGE MT 59068 RED LODGE BOYS & GIRLS CLUB PO Box 451 RED LODGE MT 59068 RED LODGE HIGH SCHOOL PO Box 1090 RED LODGE MT 59068 RED LODGE ROTARY CLUB PO Box 1205 RED LODGE MT 59068 RED LODGE SENIOR LEAGUE BASEBALL PO Box 922 RED LODGE MT 59068 RED LODGE SURVEYING HC 49 BOX 3035B RED LODGE MT 59068 RED MAN PIPE & SUPPLY COMPANY 16401 E 33RD Dr Ste 10A AURORA CO 80011 RED RIBBON COMMITTEE PO Box 68 GREAT FALLS MT 59501 RED RIVER BROADCAST CORP 3600 S WESTPORT AVE SIOUX FALLS SD 57116 RED ROCK AUTO BODY 4526 HWY 87 S ROUNDUP MT 59072 RED ROCK POWER INC PO Box 725 HAVRE MT 59501 RED WILK CONSTRUCTION PO Box 381 HURON SD 57350 Red Wolf Advisors Inc Attn Cheryl Zanella 1800 E Sahara Ave Ste 107 Las Vegas NV 89104-3732 Red Wolf Advisors Inc The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RED WRECKER SERVICE 520 HOLMES AVE BUTTE MT 59701 REDD E SHARP 395 TOPAZ RD BELGRADE MT 59714 REDFIELD AMERICAN LEGION PO Box 2 REDFIELD SD 57469 REDFIELD AREA CHAMBER 626 N MAIN ST REDFIELD SD 57469 REDFIELD COMMUNITY HOSPITAL 111 W 10TH AVE REDFIELD SD 57469 REDFIELD EQUIPMENT CO PO Box 500 REDFIELD SD 57469 REDFIELD HOUSING PO Box 409 REDFIELD SD 57469 REDFIELD LIONS C/O GERALD MARLETTE 38486 174TH ST REDFIELD SD 57469-2103 REDFIELD POST PROM COMMITTEE 217 E 3RD AVE REDFIELD SD 57469 REDFIELD SCHOOL PO Box 560 REDFIELD SD 57469 REDI MIX INC PO Box 271 CHAMBERLAIN SD 57325 REDMAN LUMBER & HARDWARE 405 Broadway DENTON MT 59430 REDMAN PIPE AND SUPPLY COMPANY 485 NE 400 WE NORTH SALT LAKE CITY UT 84054 REDMAN PIPE AND SUPPLY COMPANY PO Box 35632 Tulsa OK 74153 REDSTONE TECHNOLOGIES INC 3509 S JESSE JAMES Dr SIOUX FALLS SD 57103-7133 REED COLLEGE 3203 SE WOODSTOCK BLVD PORTLAND OR 97202 REED POINT VOLUNTEER FIRE CO PO Box 323 REED POINT MT 59069 REEDPOINT HIGH SCHOOL PO Box 338 REEDPOINT MT 59069 Reedpoint High Schoo PO Box 338 Reed Point MT 59069 REESE SHAWNA 4509 S PLATEAU TRAIL SIOUX FALLS SD 57106 REFRIGERATION HEATING INC 345 19TH ST N FARGO ND 58107 REFUGE YOUTH 2210 DODGE Ave HELENA MT 59601 REFUND CHECKS 4000 W Broadway ROBBINSDALE MN 55442 Regina Nadelson PSP 1150 PARK AVE STE 5F NEW YORK NY 10128 REGISTER LAKOTA PRINTING PO Box 28 CHAMBERLAIN SD 57325 REHDER HEARING CLINIC 1101 N 27TH Ste E BILLINGS MT 59101 REHFELDS 210 S PHILLIPS AVE SIOUX FALLS SD 57104 REINEKE MUSIC ENTERPRISES 3974 CLIFTON AVE CINCINNATI OH 45220 REINHAUSEN MANUFACTURING INC 2549 N 9TH Ave HUMBOLDT TN 38343 RELIABLE DISTRIBUTING INC PO Box 1083 BILLINGS MT 59103-1083 RELIANT ENERGY PO Box 1297 MINNEAPOLIS MN 55472-0061 RENAISSANCE INVESTMENT SERVICES 1800 CHAPEL Ave W Ste 125 CHERRY HILL NJ 08002 RENDEZVOUS ON THE RIVER N MAIN ST CHAMBERLAIN SD 57325 Renewable Technologies Inc 511 Metals Bank Building Butte MT 59701 REO BUILDING SYSTEMS PO Box 4221 BUTTE MT 59702-4221 REPNET INC 1204 W 96TH St BLOOMINGTON MN 55431 REPORTER AND FARMER PO Box 30 WEBSTER SD 57274 REPORTER OFFICE PRODUCTS DBA: REPORTERS OFFICE PLUS BILLINGS MT 59107-0598 REPS TRAINING SERVICE LLC 7 MAYES MEADOWS CENTRALIA MO 65240 RESCO 4100 30TH AVE S MOOREHEAD MN 56560 RESCOM SALES & SERVICE ROUTE No1 BOX 1820 LEWISTOWN MT 59457 RESEARCH DATA GROUP PO Box 883213 SAN FRANCISCO CA 94188-3213 RESERVE ACCOUNT PO Box 952856 ST LOUIS MO 63195-2856 RESPOND SYSTEMS 488O YORK RD HELENA MT 59602 RETIREMENT HORIZONS INC 8701 NEW TRAILS Dr Ste Y THE WOODLANDS TX 77381 Retirement Horizons Inc 281 2961107 FAX 281 2961118 8701 New Trails Dr Ste Y The Woodlands SD 77381 REUER SANITATION 14738 320TH AVE HOVEN SD 57450 Revenue Management Prairie Fire Communications 124 S First St Aberdeen SD 57401

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 116 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Revenue Management One University Plaza Ste 518 Hackensack NJ 07601 Revenue Management McCarter & English LLP Jennifer Zelvin 919 N Market St Ste 1800 PO Box 111 Wilmington DE 19801 Revenue Management Hagen Wilka & Archer PC John F Archer 600 S Main Ave Ste 102 PO Box 964 Sioux Falls SD 57104 Revenue Management Varsity Contractors Inc PO Box 1692 Pocatello ID 83204 Revenue Management Michael L Childers Prairie Fire Communications 3600 S Minnesota Ave Sioux Falls SD 57105 REVILLO FARMERS ELEVAROT PO BOX 98 REVILLO SD 57259 REWS T V SERVICE 713 N MAIN MITCHELL SD 57301 REXS UPHOLSTERY 2600 W Broadway ST MISSOULA MT 59808-1624 REYNOLDS PRINTING 315 5TH ST BROOKINGS SD 57006 RFL ELECTRONICS PO Box 1968 LAKE OSWEGO OR 97035-0058 RFL ELECTRONICS INC 353 POWERVILLE RD BOONTON NJ 07005-9151 RFQ ELECTRONICS INC 3165 MCMULLEN BOOTH Rd CLEARWATER FL 33761 RG1 c/o RONNING PROP MGMT 401 E 12TH ST SIOUX FALLS SD 57104 Rhodia Inc Mr Daniel T Bersant Plant Manager Silver Bow Plant Butte MT 59702 RHODIA INC PO Box 3146 BUTTE MT 59702 RHONDA BAKKE 149 JUNIPER BEND KALISPELL MT 59501 RIA CORPORATION 50 E MALVERN Ave SALT LAKE CITY UT 84165-5786 RIA GROUP PO Box 6159 CAROL STREAM IL 60197-6159 RICE ELISABETH 1920 WALL ST BUTTE MT 597015524 RICE JAMES 830 17th St HAVRE MT 59501-5513 RICE RANCHES INC PO Box 216 HARRISON MT 59735 RICH BRANAUGH CONST LLC PO Box 214 TYNDALL SD 57066 Rich Davis Northeast TV 7 Eighth Ave SE Watertown SD 57201 RICH LEHMANN PO Box 681 COLUMBUS MT 59019 RICH RAKNESS 1361 UTAH SE HURON SD 57350 RICHARD ADORN & ERNESTINE RADER PO Box 501 HARDIN MT 59034 RICHARD ATKINSON 2197 SOLITUDE Dr RENO NV 89511 RICHARD D Wolff & Harriet Fraad JTTEN 64 W 15TH ST APT 1W NEW YORK NY 10011-6834 Richard D Wolff & Harriet Fraad JTTEN 678 ORANGE ST NEW HAVEN CT 06511 RICHARD D Wolff & Harriet Fraad Richard D Wolff & Harriet Fraad JTTEN JTTEN 64 W 15TH ST APT 1W NEW YORK NY 10011-6834 Richard D Wolff Custodian for Max Fraad Wolff UGMA 678 ORANGE ST NEW HAVEN CT 06511 Richard D Wolff Custodian for Theresa Fraad Wolff UGMA 220 22ND ST APT 5H NEW YORK NY 10010-5605 Richard D Wolff Custodian for Theresa Fraad Wolff UGMA 678 ORANGE ST NEW HAVEN CT 06511 Richard D Wolff Custodian for Theresa Fraad Wolff Richard D Wolff Custodian for UGMA Theresa Fraad Wolff UGMA 220 22ND ST APT 5H NEW YORK NY 10010-5605 Richard D Wolff Custodian for Theresa Fraad Wolff UGMA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RICHARD E "RICK" STEPHENS PO Box 612 SHELBY MT 59474-0612 Richard E Stephens PO Box 612 Shelby MT 59474 RICHARD F & BETTY V MALIN 1711 WAUKESHA AVE HELENA MT 59601-1644 Richard F Cromer Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 RICHARD H MAHE 4309 BROOKWOOD Dr HIGHLANDS RANCH CO 80130 RICHARD HOEFLE 742 PARK LANE BILLINGS MT 59102 RICHARD J NEWTON 1050 CLARK LANE DILLON MT 59725 RICHARD J NEWTON 1050 CLARK Ln DILLON MT 59725 RICHARD L & LILLIAN M PEARCE 153 GOLF COURSE Rd HAMILTON MT 59840 RICHARD LANGE 6164 W KRISTAL WAY GLENDALE AZ 85308 RICHARD MCDOWELL 777 EDEN RTE GREAT FALLS MT 59405 Richard Mierva dba Western Cable TV PO Box 704 Butte MT 59702 RICHARD MILLER 4 East 8th Street Wilmington DE 19801 RICHARD MILLER c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellot, LLC 4 East 8th Street Wilmington DE 19801 RICHARD MILLER c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellot, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 RICHARD MILLER c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Richard Miller PO Box 4050 Butte MT 59702 RICHARD MILLER Richard Miller PO Box 4050 Butte MT 59702 RICHARD P DONOVAN 1012 W PLATIUM BUTTE MT 59701 RICHARD R & CHRISTINE L CARNEVAL 16801 MONTANA 1 ANACONDA MT 59711 Richard R Hylland Attn David Pearson 225 South Sixth Street Suite 3500 Minneapolis MN 55402-4629 Richard R Hylland c o Winthrop & Weinstine PA Attn David Pearson 225 South Sixth Street Suite 3500 Minneapolis MN 55402-4629 Richard R Hylland c o Winthrop & Weinstine PA Attn David Pearson 225 S Sixth St Suite 3500 Minneapolis MN 55402-4629 Richard R Hylland Cynthia A Bremer Esq Flynn Gaskins & Bennett LLP 333 South Seventh St Suite 2900 Minneapolis MN 55402 Richard R Hylland Flynn Gaskins & Bennett LLP Cynthia A Bremer Esq 333 S Seventh St Ste 2900 Minneapolis MN 55402 Richard R Hylland Flynn Gaskins & Bennett LLP Cynthia A Bremer Esq 333 South Seventh St Suite 2900 Minneapolis MN 55402 Richard R Hylland PO Box 88708 Sioux Falls SD 57109 Richard R Hylland Richard R Hylland PO Box 88708 Sioux Falls SD 57109 RICHARD S BURNETT & GARY PO Box 20562 BILLINGS MT 59104 RICHARD S POULSEN* 313 BUILDING ACCOUNT OMAHA NE 68137 RICHARD SEAMANS PO Box 917 SUPERIOR MT 59872 RICHARD STELK 3812 W 13TH St GRAND ISLAND NE 68801 Richard Story IRA FCC As Custodian 345 East 57th Street New York NY 10022-2952 Richard Story IRA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RICHARD SWANZ & DENNIS P CONNOR 520 3RD Ave N GREAT FALLS MT 59403 RICHARDS LAYTON & FINGER PO Box 551 WILMINGTON DE 19899 Richards Merrill & Peterson Inc c o ADP Richardson Family Partnership 612 Citizens Building Aberdeen SD RICHARDSON WILLIAM 135 SOLITUDE Dr BUTTE MT 597017686 RichardsonOrr Trust Atth Robert Orr 204 S Main St Aberdeen SD 57401 RICK BARRERA & ASSOCIATES PO Box 1466 RANCHO SANTE FE CA 92067-1466

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 117 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country RICK BRYANT PO Box 153 AUGUSTA MT 59410 RICK DIXON MA NCACI 3319 W 23RD Ave SPOKANE WA 99224 Rick Fresia 1544 Steamboat Ct Evergreen CO 80439 Rick Hill 231 W Cottonwood Lewistown MT 59457 RICK HILL CONSTRUCTION 231 W COTTONWOOD LEWISTOWN MT 59701 Rick Hurley dba Rick Hurley Trucking PO Box 254 Shelby MT 59474 RICK HURLEY TRUCKING PO Box 254 SHELBY MT 59474 Rick Skocilich 4010 Corto Rd Butte MT 59701 RICKARD ELECTRIC INC PO Box 1537 FARGO ND 58107 RICKS SOD FARM PO Box 1664 GRAND ISLAND NE 68802-1664 RIDDLES JEWELRY 2200 N MAPLE RAPID CITY SD 57701 RIEDESEL FARMS RR2 BOX 30 BROOKINGS SD RIES SURVEYING 6850 GREEN MEADOW Dr HELENA MT 59602 RIGHT MANAGEMENT CONSULTANTS 4820 S MILL Ave Ste 104 TEMPE AZ 85282 RIGHT MANAGEMENT CONSULTANTS PO Box 8538388 PHILADELPHIA PA 19171-0388 RIMROCK FOUNDATION 1235 N 29TH BILLINGS MT 59101 RIMROCK OLDSMOBILE 324 S 24TH ST W BILLINGS MT 59102 RIMROCK PROMOTIONS 876 SENORA Ave BILLINGS MT 59105 RINEHART CONSTRUCTION 205 1/2 E MOTT CHAMBERLAIN SD 57325 RING O MATIC MANUFACTURING PO Box 305 PELLA IA 50219 RINGGENBERG ELECTRIC 304 COLUMBUS DR ABERDEEN SD 57402-0101 RIO ALGOM INC DIV: VINCENT METAL GO N 732 HELENA SPOKANE WA 99202 RISAGER PLUMBING & HEATING CO 1124 S Roosevelt St Aberdeen SD 57401-7305 RISK & RESOURCE TEAM 772 DAKOTA S HURON SD 57350 RISK ADMINISTRATION SERVICES INC 3900 W 53RD St SIOUX FALLS SD 57106-4220 RISK SCIENCES GROUP INC DBA PARADIGM INFOSYSTEMS 15395 SE 30TH PLACE Ste 210 BELLEVUE WA 98007 RITA COOPER 611 W 4TH ST ANACONDA MT 59711 RITE HITE CORPORATION PO Box 78196 MILWAUKEE WI 53278-0196 RIVER CITY BAND FESTIVAL 24517 THUNDER Rd CHAMBERLAIN SD 57325 River City Sanitation 41520 310th St Springfield SD 57062 RIVER NETWORK 520 SW SIXTH Ave Ste 1130 PORTLAND OR 97204-1511 RIVER PRESS PUBLISHING CO INC PO Box 69 FORT BENTON MT 59442-0069 RIVERA ELECTRIC 188 TOTEM VIEW Dr VICTOR MT 59875 RIVERBOAT DAYS PARADE ENTRY 800 W 10TH YANKTON SD 57078 RIVERCITY HARMONY SWEET ADELINE PO Box 734 YANKTON SD 57078-0734 RIVERSIDE AUTO BODY INC 89850 HWY 81 YANKTON SD 57078-6600 RIVERSIDE CONTRACTING INC 5571 ALLOY S MISSOULA MT 59808-9622 RIVERSIDE COUNTRY CLUB & TCB SPRINGHILL RD BOZEMAN MT 59715 RIVERSIDE LODGE 404 WOODLAND Dr GRAND ISLAND NE RJM COMPANY 2217 23RD STE PLACE SE PUYALLUP WA 98372 RJS CONSTRUCTION PO Box 22968 BILLINGS MT 59104 RL HANSEN CONSTRUCTION 798 Chena Hills Dr Fairbanks AK 99709-5710 RL Schaff Concrete Construction PO Box 954 Billings MT 59103 RML INCORPORATED PO Box 18262 MISSOULA MT 59808 RMS SYSTEMS INC PO Box 480482 DENVER CO 80248-0482 RNT LTD TRIPPETS PRINTING 323 MAIN ST KALISPELLL MT 59901 ROADARMEL CONST INC 1150 CARPENTER LN THREE FORKS MT 59752-9732 Roadarmel Construction Inc 1150 Carpenter Ln Three Forks MT 59752 ROADWAY EXPRESS 5107 JILLISON RD BILLINGS MT 59102 Rob Warren dba The Grass Chopper PO Box 6172 Bozeman MT 59771-6172 Robeco USA Brokerage Services c o ADP ROBERT "TY" ROBINSON 545 E CENTRAL AVE MISSOULA MT 59801-7022 ROBERT A CLAPSHAW PO Box 724 MILLTOWN MT 59851 Robert A Gardner 26142 Raintree Blvd Olmsted Falls OH 44138-2764 Robert A Gardner The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ROBERT A HARDEBECK 9 CASTLES COURT PO Box 6 SUPERIOR MT 59872 Robert A Hardebeck PO Box 6 Superior MT 59872 ROBERT A ROONEY 1919 MT HAMILTON Dr ANTIOCH CA 94509 Robert Cope Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 ROBERT D & LYNN D PINKERTON PO Box 204 MELSTONE MT 59054-0204 Robert E Ackerman 37221 Lake County Dr 19 Crosslake MN 56442 Robert E Ackerman The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ROBERT E WYNIA MD PA 1420 9TH ST S GREAT FALLS MT 59405 ROBERT F BRYSON PO Box 404 HARDIN MT 59034 ROBERT FOGELSON & HIS ATTORNEYS 720 W BOONE Ste 200 SPOKANE WA 99201 ROBERT G ARONSEN CONSTRUCTION PO Box 592 GALLATIN GATEWAY MT 59730 Robert H Robinson Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Suite 200 Wilmington DE 19801 Robert Hollister Box 1211 Forsyth MT 59327 ROBERT L & JUDITH L JOHNSON 3780 HARMONY LANE HELENA MT 59602 ROBERT L AYRES 190D CANEY KS 67333 ROBERT L BOWKER 300 VIA CORTA No303 PALOS VERDES CA 90274 ROBERT L JOHNSON & JUDITH L JOHNSON 3780 HARMONY LANE HELENA MT 59602 ROBERT L OLMSTEAD 78 Shields River Rd E Livingston MT 59047-9307 ROBERT LAMONT 3200 E HWY 12 ABERDEEN SD 57401 Robert P Gannon c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Robert P Gannon Joseph H Huston Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Robert P Gannon Joseph H Huston Jr Stevens & Lee PC 300 Delaware Ave Suite 800 Wilmington DE 19801 Robert P Gannon Touch America Inc 130 N Main Butte MT 59701 Robert P Gannon Robert P Gannon Touch America Inc 130 N Main Butte MT 59701 ROBERT R FLICK JR PO Box 231 BIG TIMBER MT 59011-0231 Robert S Middleton 9661 Holsberry Rd Pensacola FL 32534-1328

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 118 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ROBERT SCOTT 11152 TUMBLEWEED WAY PARKER CO 80134 ROBERT SKON AND SHIRLEY SKON 2103 Carr Lake Rd SW Bemidji MN 56601 ROBERT SKON AND SHIRLEY SKON The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ROBERT STEPHENS PO Box 274 AUGUSTA GA 59410 Robert W Baird & Co Inc c o ADP Robert W Baird & Co Inc 668031206 Attn Reorg Dept 777 E Wisconsin Ave PO Box 672 Milwaukee WI 53201 Robert W Baird & Co Inc 668033202 Attn Reorg Dept 777 E Wisconsin Ave PO Box 672 Milwaukee WI 53201 ROBERT W DAFOE PO Box 33 CHESTER MT 59522 ROBERT W EASTMAN PRESIDENT CASSO CORPORATION PO BOX 14498 SPOKANE WA 99214 ROBERT W GOFFENA 86 GOFFENA RD ROUNDUP MT 59072 Robert W White PO Box 1405 Lake Junaluska NC 28745 Robert W White Robert W White IRA PO Box 1405 Lake Junaluska NC 28745 Robert W White The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Robert Webster 2850 Blacktail Loop Butte MT 59701 ROBERT WENZL RR5 BOX 14 GRAND ISLAND NE ROBERTS PUBLIC SCHOOLS PO Box 78 ROBERTS MT 59070 ROBERTS PUMP & SUPPLY CO PO Box 2560 GRAND ISLAND NE 68802-2560 ROBERTS PUMP & SUPPLY INC 2440 W LINCOLN HIGHWAY GRAND ISLAND NE 68803 Robin Dangerfield dba The Lawn Range PO Box 22434 Billings MT 59104 ROBIN K JENS PO Box 2 TULARE SD 57476 ROBINSON & MUENSTER ASSOC INC 1208 ELKHORN ST SIOUX FALLS SD 57104-0218 ROBINSON EHRET 316 CAPITOL St YANKTON SD 57078 ROBUR CORPORATION 2300 LYNCH Rd EVANSVILLE IN 47711-2951 ROCK CREEK HOME & GARDEN PO Box 1960 RED LODGE MT 59068 ROCKHURST COLLEGE PO Box 419107 KANSAS CITY MO 64141-6107

ROCKHURST COLLEGE CONTINUING EDUCAT PO Box 419107 KANSAS CITY MO 64141-6107 ROCKING K RANCH 1731 ROCK CREEK Rd PHIPSBURG MT 59858 ROCKS AUTOMOTIVE WORKS 220 CHERRY CREEK St GLASGOW MT 59230 ROCKWELL SCALE SERVICE 47 SUN RIVER CASCADE Rd SUN RIVER MT 59483 ROCKY MOUNTAIN CLINIC 1101 S MONTANA ST BUTTE MT 59701 ROCKY MOUNTAIN COLLEGE 1511 POLY DR BILLINGS MT 59102-1739 ROCKY MOUNTAIN COLLEGE FOUNDATION 1511 POLY Dr BILLINGS MT 59102 ROCKY MOUNTAIN COMPRESSOR INC 1515 WICKS LNE BILLINGS MT 59105 ROCKY MOUNTAIN CONTRACTORS INC 2214 US HWY 2 EAST PO Box 8688 KALISPELL MT 59904 Rocky Mountain Contractors Inc David R Williams President PO Box 4429 Helena MT 59604 Rocky Mountain Contractors Inc PO Box 4429 Helena MT 59604 Rocky Mountain Contractors Inc PO Box 4429 Helena MT 59604 Rocky Mountain Contractors Inc PO Box 8688 Kalispell MT 59904

ROCKY MOUNTAIN DEVELOPMENT COUNCIL PO Box 1717 HELENA MT 59624 ROCKY MOUNTAIN DOORS 201 OLD CORVALLIS RD HAMILTON MT 59840 ROCKY MOUNTAIN ELK FOUNDATION 2291 W Broadway MISSOULA MT 59807-8249 ROCKY MOUNTAIN ELK FOUNDATION DALE NABER HAVRE MT 59501 ROCKY MOUNTAIN ELK FOUNDATION PO Box 1508 POLSON MT 59860-1508 ROCKY MOUNTAIN ELK FOUNDATION PO Box 8249 MISSOULA MT 59807-9942 ROCKY MOUNTAIN FENCE PO Box 6079 HELENA MT 59601 ROCKY MOUNTAIN HEMOPHILIA & 1511 1/2 OLD HARDIN Rd BILLINGS MT 59101 ROCKY MOUNTAIN HIGH SCHOOL 1421 N ROBERTS HELENA MT 59601 Rocky Mountain Medical Service PC dba Rocky Mountain Clinic 1101 S Montana Butte MT 59701 ROCKY MOUNTAIN MINERAL LAW FDN 9191 SHERIDAN BLVD Ste 203 WESTMINSTER CO 80031

ROCKY MOUNTAIN RECREATION COMMUNITY 301 EAGLE BEND DR BIG FORK MT 59911 ROCKY MOUNTAIN REWIND 1925 ARGYLE BUTTE MT 59701 ROCKY MOUNTAIN SALES & SERVICE 550 E 64TH AVE DENVER CO 80229 ROCKY MOUNTAIN SECURITY SERVICE PO Box 903 BOZEMAN MT 59771-0903 Rocky Mountain Security Service Inc PO Box 903 Bozeman MT 59771 ROCKY MOUNTAIN SIGN 2400 10TH ST NE BLACK EAGLE MT 59414 Rocky Mountain SuperVAC Inc 73 MORNING GLORY LN KALISPELL MT 59901-8168 ROCKY MOUNTAIN TRAFFIC CONTROL 601 GARDEN Ave BUTTE MT 59701 Rocky Mountain Traffic Contro 601 Garden Ave Butte, MT 59701 MT 59701 ROCKY MOUNTAIN TRAFFIC SCHOOL PO Box 825 LIVINGSTON MT 59047 ROCKY MT SHOWS 605 COULEE Dr BOZEMAN MT 59718 ROD TABBERT CONSTRUCTION INC PO Box 4142 HELENA MT 59601-4142 ROD TABBERT CONSTRUCTION INC PO BOX 4142 HELENA MT 59604 Rod Tabbert dba Tabbert Construction PO Box 4142 Helena MT 59604 Rod Warnstrom Arc Electric Inc PO Box 4094 Butte MT 58701 RODEO PICTURES INC 600 WE 3RD MITCHELL SD 57301 RODNEY M PETERSON PO Box 10 CUT BANK MT 59427 Rodney McLenon Public Service Company of Colorado 1099 18th St Ste 3000 Denver CO 80202 RODNEY W HUFF 1234 PINEWOOD LN ABERDEEN SD 57401 ROGER AXTMAN PO Box 458 FORT BENTON MT 59442 ROGER MOORE 18665 SD HWY No15 BRANDT SD 57281 ROGER MOORE RR1 BOX 74 BRANDT SD ROGER RAWLS 1062 W PLATINUM BUTTE MT 59701 Roger Rohr and Carol Rohr Moulton Bellingham Longo & Mather PC Suite 1900 Sheraton Plaza PO Box 2559 Billings MT 59103-2559 ROGERS AUTO BODY 1350 WILLOW GLEN DR KALISPELL MT 59901 ROGERS ELECTRIC MOTOR SERVICE 205 E 22ND AVE MILBANK SD 57252 ROGERS SUPER VALU PO Box 307 DOLAND SD 57436-0307

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 119 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country ROI CORPORATION PO Box 2151 WOODSTOCK GA 30188 Roman G Wild 704 West St Beaver Dam WI 53916 ROMET INTERNATIONAL LIMITED 1080 MATHESON BLVD E MISSISSAUGA ON L4W 2V2 Canada ROMET INTERNATIONAL LIMITED 1080 MATHESON BLVD E MISSISSAUGA ON L4W 2V2 ROMUALD LELIGDOWICZ 3764 DECATHLON BILLINGS MT 59102 RON HALL SPRINKLERS 3348 13TH AVE S GREAT FALLS MT 59405-5459 RON KRAFT PO Box 588 YANKTON SD 57078 RON ULLOM TRUCKING HC 50 BOX 3500 RED LODGE MT 59068 RON YGNATOWIZ BUSINESS REPRESENTATIVE TEAMSTERS UNION LOCAL #2 PO BOX 3745 BUTTE MT 59702 Ronald Bauer dba Capital Fence PO Box 5296 Helena MT 59604 RONALD CATLIN* 321 N TAYLOR PIERRE SD 57501 Ronald E Olsen dba Olsons Land Services 860 Strawberry Dr Helena MT 59601 Ronald F Reed 772 Boundary BLVD Rotonda FL 33947-2865 Ronald F Reed The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Ronald J Klinefelter Western Area Power Administration 12155 W Alameda Pkwy Lakewood CO 80228-8213 Ronald Jupiter Inherited IRA 119 EYLAND AVE SUCCASUNNA NJ 07876-1501 Ronald L Perry Commercial Energy of Montana PO Box 548 Cut Bank MT 59427 Ronald M Jupiter DDS MPP 119 EYLAND AVE SUCCASUNNA NJ 07876-1501 RONALD MCDONALD HOUSE 1144 N 30TH St BILLINGS MT 59101 RONAN HIGH SCHOOL 421 ANDREW NW RONAN MT 59864 Roncalli High Schol 1400 N Dakota St Aberdeen SD 57401-4414 RONDA TAYLOR PO Box 317 LIVINGSTON MT 59047 RONS DRAY INC 601 STATE HIGHWAY 25 S DESMET SD 57231-2298 RONS PROFESSIONAL TREE 624 7TH AVE NE WATERTOWN SD 57201 RONS SAW SHOP TWO 197 10TH ST NW WATERTOWN SD 57201 ROPES THAT RESCUE 1400 SHANGRI LA Dr SEDONA AZ 86336 Rory T and Teresa Minjares Datsopoulos MacDonald & Lind Triel D Culver 201 West Main Ste 201 Missoula MT 59801 Rory T and Teresa Minjares Triel D Culver 1601 Lewis Ave Ste 206 Billings MT 59104 ROSCOE STEEL & CULVERT COMPANY 2847 HESPER RD BILLINGS MT 59102-3765 ROSCOE STEEL & CULVERT COMPANY 5405 MOMONT Rd MISSOULA MT 59802-9455 ROSCOE STEEL & CULVERT COMPANY PO Box 3722 BUTTE MT 59702-3722 Rose M Biegger 5 Parker Hill Rd Brookfield CT 06804 Rose M Flannagan 401 W 56TH ST APT 1C NEW YORK NY 10019 Rose Verrall dba LV Janitorial Services 1621 Yale St Butte MT 59701 Roseberg Forest Products P O Box 4007 Missoula MT 59806 ROSEBUD COUNTY CLERK OF PO Box 48 FORSYTH MT 59327-0048 ROSEBUD COUNTY INSURANCE PO Box 967 FORSYTH MT 59327 ROSEBUD COUNTY TREASURER COURTHOUSE FORSYTH MT 59327 ROSEBUD IGA PO Box 1907 COLSTRIP MT 59323 Rosemary Klich 4632 S 48th PO Box 6712 Lincoln NE 68506 Rosemary Klich The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ROSEMOUNT INC 8200 MARKET BLVD CHANHASSEN MN 55317 ROSEMOUNT INC PO Box 70114 CHICAGO IL 60673-0114 ROSEN DIVERSIFIED INC POB 933 1120 LAKE Ave FAIRMONT MN 56031 ROSENBERG INSURANCE INC 104 S JEFFERS NORTH PLATTE NE 69103-0767 ROSENBLUTH INTERNATIONAL 2401 WALNUT St PHILADELPHIA PA 19103 Rosenbluth International Inc Contracts Administrator 2401 Walnut St Philadelphia PA 19103 Rosenbluth International Inc General Manager 2401 Walnut St Philadelphia PA 19103 Ross Creek Hydro c o Brent L. Smith PO Box 535 Rigby ID 83442 ROSS CREEK HYDRO L C PO Box 535 RIGBY ID 83442 ROSS CREEK HYDRO LC CO BRENT L SMITH PRESIDENT PO BOX 535 RIGBY ID 83442 ROTARY CLUB OF KALISPELL DAYBREAK PO Box 1042 KALISPELL MT 59903 ROTARY CLUB OF NORTH PLATTE 3901 PARK RIDGE RD NORTH PLATTE NE 69101 ROTARY CLUB OF SIOUX FALLS WEST PO Box 1168 SIOUX FALLS SD 57101-1168 ROTARY CLUB OF YANKTON PO Box 505 YANKTON SD 57078-0505 ROTARY NORTH OF SIOUX FALLS PO Box 179 SIOUX FALLS SD 57101 ROTARY OF KALISPELL PO Box 481 KALISPELL MT 59903 ROTERING DENNIS 150 SKEELS AVE 308 HAMILTON MT 59840 ROTH DISTRIBUTING COMPANY PO Box 111209 AURORA CO 80042-1209 ROTH PLUMBING & HEATING INC 280 2ND ST SW HURON SD 57350 ROTO ROOTER 2112 LEA AVE BOZEMAN MT 59715-2246 ROTO ROOTER PO Box 2589 KALISPELL MT 59903 ROTO ROOTER PO Box 4362 BUTTE MT 59702 ROTO ROOTER PLUMBERS 9685 GLACIER LILY COURT MISSOULA MT 59808 Rounds Brother Excavation 20751 418TH AVE IROQUOIS SD 57353 ROUNDS BROTHERS TRENCHING 20751 418TH AVE IROQUOIS SD 57353 ROUNDUP MEMORIAL HOSPITAL PO Box 40 ROUNDUP MT 59072 ROUNDUP VOLUNTEER FIRE DEPT PO Box 660 ROUNDUP MT 59072

ROWE CAMPAIGN/NATIONAL AUDUBON SOCI 44450 ELM ISLAND Rd GIBBON NE 68840 ROXIE RAMSEY 725 N 25TH St APT No512 BILLINGS MT 59101 ROY JOHNSON ROOFING INC PO Box 144 YANKTON SD 57078 ROY WATERS PO Box 746 MALTA MT 59538 ROY YERIAN 25338 N Vista View Ct Rathdrum ID 83858-8115 ROYAL LIMOUSINE PO Box 777 SIOUX FALLS SD 57101-0777 ROYAL SWITCHGEAR MFG COMPANY 22255 SW 102ND PLACE AVE TUALATIN OR 97062-0058 ROYCE TAMBLYN 1392 OTTER RD HELENA MT 59601 ROZSA PETROLEUM LTD 11012 MCLEOD TRAIL S CALGARY AB T2J 6A5 Canada RPM SALES 2 MOORE LANE BILLINGS MT 59101 RSES 50A 5TH AVE WN KALISPELL MT 59901 RSM McGladrey 200 N Phillips Ave 200 Sioux Falls SD 57104-6058 RSM MCGLADREY INC 200 N Phillips Ave 200 SIOUX FALLS SD 57104-6058

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 120 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country RT CONSULTING 2020 THOMAS AVE BUTTE MT 59701 RTO WEST 121 SW MORRISON ST Ste 1700 PORTLAND OR 97204 RTO West Ken Petersen Vice President PO Box 7 Boise ID 83707 RTO WEST PO Box 70 BOISE ID 83707 RUBY HARDIE 3175 GRAPH ST No100 SPRING MEADOW BOZEMAN MT 59715 RUBY LOHSE PO Box 276 CARTER MT 59420 RUBYS INN & CONVENTION CENTER 4825 N RESERVE MISSOULA MT 59808 RUDE SHEET METAL HIGHWAY 2 E CUT BANK MT 59427-0638 RUDE TRANSPORTATION CO PO Box 190 REDFIELD SD 57469 RUDYARD READY MIX PO Box 268 RUDYARD MT 59540 RUDYS INFLIGHT CATERING 180 NORTH ST TETERBORO NJ 07608 RUDYS TRUCK STOP PO Box 59 YANKTON SD 57078 Ruggles Excavation Inc PO Box 227 Livingston MT 59047 RUKAVINA DOUGLAS 3105 New Hope Dr Billings MT 59102-6821 RUMSEY MOUNTAIN RADIO USERS ASSOC C/O MIKE KAHOE GRANITE COUNTY PHILIPSBURG MT 59858 RUNNINGS FLEET & FARM 804 S 5TH ST ABERDEEN SD 57402-1830 RUNNINGS SUPPLY INC 1401 E MAIN ST MARSHALL MN 56258 RURAL SUSTAINABILITY ORGANIZATION 426 COW CREEK Rd DRUMMOND MT 59832 RUSH PRINTING 991 WILD ROSE CT Independence OR 97351-9577 RUSHMORE MOUNTAIN TAFFY SHOP PO Box 238 KEYSTONE SD 57751 RUSS REPAIR 1020 ASHWOOD LANE HURON SD 57350 Russ Trasky Montana Department of Revenue PO Box 5835 Helena MT 59604 Russel A Joiner 6683 Filly Lane Joplin MO 64804-8524 Russel A Joiner The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RUSSELL CORN 26 PROSPECT DR GREAT FALLS MT 59405 Russell E Horton Custodian for Gwyneth S Horton UGMA 6 GROVE ST NEW YORK NY 10014 Russell E Horton Custodian for Gwyneth S Horton UGMA 6 Grove Street New York NY 10014-5303 Russell E Horton Custodian for Gwyneth S Horton UGMA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Russell E Horton Custodian for Olivia N Horton UGMA 6 Grove Street New York NY 10014-5303 Russell E Horton Custodian for Olivia N Horton UGMA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RUSSELL R CAMERON PO Box 1149 FT BENTON MT 59442 RUSSELL REYNOLDS ASSOC INC PO Box 6427 NEW YORK NY 10249-6427 Russell Reynolds Assoc Inc 612 3326966 c o Charles E Boulbo 26 Broadway 17th Floor New York NY 10004 Russell Reynolds Assoc Inc 612 3326966 c/a Charles E Boulbo 26 Broadway 17th Floor NY NY 10004 RUSSELL SHERMAN & STATE FARM PO Box 221 DUPONT WA 98327-0221 RUSTY STAEBLER 4521 BOX CANYON BILLINGS MT 59101 RUTGERS UNIVERSITY FOUNDATION 7 COLLEGE AVE WINANTS HALL NEW BRUNSWICK NJ 08901-1261 Ruth A Alliband 410 Olive St W Stillwater MN 55082-4945 Ruth A Alliband The Depository Trust Company 55 Water St 49th Fl New York NY 10041 RUTH BREKKE 104 SHORT DR HELENA MT 59601 RUTH STEPHENS 2113 KENSINGTON Ave MISSOULA MT 59801 RUTHERFORD & ASSOC APPRAISALS INC 2320 3RD Ave N BILLINGS MT 59101 RUTTS INC PO Box 519 LAUREL MT 59044 RUUD LIGHTING 9201 WASHINGTON AVE RACINE WI 53406 RUX BROS PLUMBING & HEATING IN 414 1ST AVE NE ABERDEEN SD 57401 RY TIMBER PO Box 220 TOWNSEND MT 59644-0220 RYAN HARMS PO Box 131 LIVINGSTON MT 59047-0131 RYAN PLUMBING & HEATING 820 MONTANA AVE DEER LODGE MT 59722 RYANS STATION 721 6TH SW HELENA MT 59404 RYCOM INSTRUMENTS INC 9351 E 59TH ST RAYTOWN MO 64133 RYCOM INSTRUMENTS INC 9351 EAST 59TH St RAYTOWN MO 64133 RYEGATE HIGH SCHOOL PO Box 129 RYEGATE MT 59074 RYLE HARMS PO Box 1643 LIVINGSTON MT 59047-1643 RYMAN PLUMBING & HEATING PO Box 512 FAULKTON SD 57438 S & C ELECTRIC COMPANY 6601 N RIDGE Blvd CHICAGO IL 60626-3997 S & J SALES & CONSIGNMENT PO Box 16448 MISSOULA MT 59808 6448 S & K INDUSTRIAL ELECTRIC 100 KELLY LANE ANACONDA MT 59711 S & M PRINTING CO 110 N LAWLER MITCHELL SD 57301 S & N CONCRETE INC 3106 HIGHWAY 10A E ANACONDA MT 59711-9414 S & R PROMOTIONAL SERVICES 3450 REGENT PLACE PIERRE SD 57501 S & S AUTO BODY 801 N 1ST ST HAMILTON MT 59840-2135 S & S CLEANING SERVICES INC 1818 W 4TH NORTH PLATTE NE 69101 S & T READY MIX PO Box 1127 RED LODGE MT 59068 S & T Ready Mix Inc PO Box 1127 228 Highway 78 Red Lodge MT 59067 S & T ROOFING PO Box 6487 GREAT FALLS MT 59406-6487 S FALLS CHAMBER OF COMMERCE 200 N PHILLIPS STE 102 SIOUX FALLS SD 57101-1425 S J QUINNEY COLLEGE OF LAW 332 SO 1400 E RM 101 SALT LAKE CITY UT 84112-0730 S ROBIN KEHRES 4285 OLD BLUE CREEK RD BILLINGS MT 59101-9709 S&C ELECTRIC 6601 N RIDGE BLVD CHICAGO IL 60626-3997 SABATHIER DONALD 1701 Ingleside Dr Flower Mound TX 75028 Saco High School PO Box 298 Saco MT 59261 SACO SCHOOL 3321 HWY 243 SACO MT 59261 SACRED GROUND 805 W GRANITE BUTTE MT 59701 Sacred Heart Church 409 SE 3rd Ave Aberdeen SD 57401 SADDLE BUTTE MEMORIAL PARK 2620A 34TH St SE HAVRE MT 59501 SAF T GARD INTERNATIONAL INC 135 S LA SALLE ST CHICAGO IL 60674-1545 SAFE CENTER 3720 AVE A Ste C KEARNEY NE 68847

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SAFE FIRE & MEDICAL SERVICE CO PO Box 3633 MISSOULA MT 59806-3633 SAFE SOFTWARE INC 7445 132ND ST Ste 2017 SURREY BC V3W 1J8 Canada SAFECO MANUFACTURING INC PO Box 940412 Plano TX 75094-0412 SAFETY & HEALTH SERVICES 12 REDWOOD Dr BUTTE MT 59701 SAFETY CHEM PO Box 1902 SALT LAKE CITY UT 84110 SAFETY EDUCATOR "LINDA BRODOCK" 1804 12TH Ave S GREAT FALLS MT 59405 SAFETY ENGINEERING ASSOCIATES 2798 S FISH HATCHERY RD MADISON WI 53711-5398 SAFETY KLEEN ACCOUNTS PAYABLE PO Box 7813 OCALA FL 64478-7813 SAFETY KLEEN CORP 2612 HWY 169N INDUSTRIAL PARK COFFEYVILLE KS 67337 SAFETY KLEEN INC (GRASSY MTN) PO Box 12349 COLUMBIA SC 29211-2349 SAFETY KLEEN SYSTEMS INC 1301 GERVAIS St Ste 300 COLUMBIA SC 29201 SAFETY KLEEN SYSTEMS INC 5400 Legacy Drive Cluster II Building 3 Plano TX 75024 SAFETY KLEEN SYSTEMS INC SUITE 300 1301 GERVAIS St COLUMBIA SC 29201 SAFETY KLEEN/LAIDLAW PO Box 11966 COLUMBIA SC 29211-1966 SAFETY SERVICE INC PO Box 2071 ABERDEEN SD 57401 SafetyKleen Corporation East 9516 Montgomery Spokane WA 99206 SAFT AMERICA INC 711 INDUSTRIAL BLVD VALDOSTA GA 31601 SAFWAY SUPPLY INC 120 MOORE LANE BILLINGS MT 59101 SAFWAY SUPPLY INC 120 MOORE Ln PO Box 31334 BILLINGS MT 59101 SAFWAY SUPPLY INC 1503 E RIVERSIDE Ave SPOKANE WA 99220 SAGE ELECTRIC PO Box 455 VALIER MT 59486 Sage Mountain Center 79 SAGE MOUNTAIN TRAIL WHITEHALL MT 59759 SAGE OF MONTANA 2651 South Ave W MISSOULA MT 59804 SAGEBRUSH CELLULAR PO Box 352 GLASGOW MT 59230 SAGEBRUSH INDUSTRIES INC PO Box 1944 COLSTRIP MT 59323 SAIHOKU JUDO CLUB PO Box 130247 CORAM MT 59913 SAINT FRANCIS MEDICAL CENTER 2620 W Faidley Ave Grand Island NE 68803 SAINT VINCENT HOSPITAL PO Box 35200 BILLINGS MT 59107 SAINT VINCENT HOSPITAL & PO Box 35200 BILLINGS MT 59107-5200 SALES AND MARKETING EXECUTIVES PO Box 680 SIOUX FALLS SD 57101-0680 SALES SERVICE AMERICAN INC DEPT 747 ALEXANDRIA VA 22334-0747 SALKELD & COMPANY 700 MAIN St LYNCHBURG VA 24504 SALLESE GREENHOUSES 284 EDWARDS ADDITION WHITEHALL MT 59759 Sally T Sanford 2987 Carhaven Cir Idaho Falls ID 83406 SALOMON SMITH BARNEY INC PO Box 5873 NEW YORK NY 10087-5873 SALTENBERGER PLUMBING 213 E COMMERCIAL ANACONDA MT 59711 SALTZMANS FLEET & STREET 7689 HWY 287 TOWNSEND MT 59644 SALVATION ARMY 2100 6TH Ave N BILLINGS MT 59101 SALVATION ARMY PO Box 811 BUTTE MT 59701 SAM MCCARTY 1310 PEOSTA HELENA MT 59601 Same Day Delivery PO Box 6455 Bozeman MT 59771 SAME DAY DELIVERY LLC 1603 BRIDGER DR BOZEMAN MT 59715 SAMS CLUB DIRECT PO Box 530930 Atlanta GA 30353-0930 Samuel Ackler Trust Jessica Ann Chapin Ttee 3900 Avenue C Austin TX 78751-5112 Samuel Ackler Trust Jessica Ann Chapin Ttee The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Samuel Sklaroff Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 SAN DIEGO STATE UNIVERSITY FND 5500 CAMPANILE Dr SAN DIEGO CA 92182-8035 SANBORN COUNTY TREASURER PO Box 97 WOONSOCKET SD 57385

SANBORN INTERACTIVE VIDEO NETWORK INC MITCHELL TECHNICAL INSTITUTE Attn John J Heemstra 821 N CAPITAL MITCHELL SD 57301 SANBORN TELEPHONE COOPERATIVE PO Box 67 WOONSOCKET SD 57385-0067 SAND LAW OFFICE 1700 W KOCH Ste 9 BOZEMAN MT 59715 SANDBOX TOYS INC 223 IOWA Ave WHITEFISH MT 59937 SANDERS COUNTY CLERK&RECORDERS PO Box 519 THOMPSON FALLS MT 59873 SANDERS COUNTY LEDGER 603 MAIN ST THOMPSON FALLS MT 59873 SANDERS COUNTY TREASURER COURTHOUSE THOMPSON FALLS MT 59873 SANDOVAL CONCRETE 714 N CURTIS NORTH PLATTE NE 69101 SANDRA K NELSON PO Box 13499 AUSTIN TX 78711-3499 SANDY GOUGH 2088 E LAMAR CT BOISE MT 83712 SANGRAY ELMER 2600 3RD AVE N GREAT FALLS MT 594012855 SANITATION PRODUCTS INC 901 E 48TH St N SIOUX FALLS SD 57118-6222 SANITATION SOLUTIONS PO Box 778 SEELEY LAKE MT 59868 SANJEL (USA) INC 500 622 5TH AVE SW CALGARY AB T2P 0M6 Canada SANTEL COMMUNICATIONS PO Box 67 WOONSOCKET SD 57385-0067 SAP AMAERICA 3999 W CHESTER PIKE NEWTON SQUARE PA 19073 SAP AMERICA INC 3999 WEST CHESTER PIKE NEWTOWN SQUARE PA 19073 SAPP BROS PETROLEUM PO Box 927 GRAND ISLAND NE 68802 SARA CURRY 2155 Buchtel Blvd Apt 306 Denver CO 80210-3472 SARA SIMONS 915 SADDLE DR APT 221 HELENA MT 59601-6088 SARAH HALLGRIMSON 207 WHITACKER MISSOULA MT 59803 Sarah M Becker 830 STANYAN ST 5 SAN FRANCISCO CA 94117 SARPY COUNTY CLERK OF COURTS 1210 GOLDEN GATE DR No 5120 PAPILLION NE 68046 SAS INSTITUTE INC SAS CAMPUS Dr CARY NC 27513-2414 Sasha C Ackler 228 SW Meade Street Apt 6 Portland OR 97201-4768 Sasha C Ackler The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Satellite Cable Services Douglas M Bierschbach PO Drawer U DeSmet SD 57231

Satellite Cable Services II Inc CO Richard A Cutler 200 National Reserve Building Sioux Falls SD 57102 Satellite Cable Services II Inc National Reserve Building CO Richard A Cutler 513 S Main Sioux Falls SD 57102 Satellite Cable Services III Inc Richard A Cutle 513 S Main Ave Sioux Falls SD 57102 SATELLITE CABLE SERVICES INC Box U DESMET SD 57231

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 122 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Satellite Cable Services Inc PO Box 106 1027 Main Ave South Brookings SD 57006

Satellite Cable Services Inc CO Richard A Cutler 200 National Reserve Building Sioux Falls SD 57102 SAUBER MANUFACTURING COMPANY 10 N SAUBER RD VIRGIL IL 60182-0001 Saundra Ackler 38 FISHER ST DOVER NH 03820 Saundra Sage 2826 Dueby St Sarasota FL 34231-6404 Saundra Sage The Depository Trust Company 55 Water St 49th Fl New York NY 10041 SAVE THE FIREWORKS 605 DEWEY BLVD BUTTE MT 59701 Saxon & Co Janet Cleary Trust Officer 8800 Tinicum Blvd F6 F266 02 2 Philadelphia PA 19153 SBA TOWERS INC 5900 BROKEN SOUND PKWY NW BOCA RATON FL 33487 SCG SOFTWARE CONSULTING GROUP 1400 N PROVIDENCE Rd MEDIA PA 19063-2052 SCHAAF & SCHAAF BOX 240A ROUTE 3 GRAND ISLAND NE 68801 SCHAAF EQUIPMENT CO INC 8657 S BELOIT AVE BRIDGEVIEW IL 60455 SCHABEN SANITATION INC PO Box 277 NORTH PLATTE NE 69103 SCHESSLER READY MIX INC PO Box 548 LAUREL MT 59044 SCHIFFHARDIN & WAITE 6600 SEARS TOWER CHICAGO IL 60606-6473 SCHINDLER JAMES 513 N DAVIS ST MISSOULA MT 598011213 SCHLUMBERGER 5432 ELDORADO BLVD NW BREMERTON WA 98312 Schlumberger Electricity Inc 313 N Hwy 11 West Union SC 29696 SCHLUMBERGER INDUSTRIES % BORDER STATES FARGO ND 58108-2767 SCHLUMBERGER INDUSTRIES ON HOLD USE VENDOR 46349 BELLEVUE WA 98004 SCHLUMBERGER INDUSTRIES PO Box OWENTON KY 40359 SCHLUMBERGER INDUSTRIES PO Box 2767 FARGO ND 58108-2767 SCHLUMBERGER INDUSTRIES INC 1610 WOODSTEAD COURT STE 380 THE WOODLANDS TX 77380 SCHLUMBERGERSEMA 313 N HIGHWAY 11 WEST UNION SC 29696 SCHMIDT CONST INC 39316 133 ST BATH SD 57427 SCHMIDT COUNTRY INC PO Box 147 MARION SD 57043 SCHMUCKER PAUL NOHR & ASSOCIATES PO Box 398 MITCHELL SD 57301 Schneider Consulting Services 513 First St Helena MT 59601 Schneider Consulting Services Consulting Services Inc 513 First St Helena MT 59601 SCHOENEMAN BROS CO PO Box 236 PARKER SD 57053 SCHOENHARD FORD LINC MERC DODG PO Box 1295 HURON SD 57350 SCHOOL DAYS PUBLICATIONS INC 101 E SIOUX RD UNIT 1634 PHARR TX 78577-1749 SCHOOL DISTRICT NO ONE 215 7TH AVE S LEWISTOWN MT 59457 School for the Visually Handicap Attn Dean North 423 17th Ave SE Aberdeen SD 57401 SCHOONOVER RICHARD 2426 8TH AVE N GREAT FALLS MT 594011926 SCHOONS SOUTHSIDE 66 202 S MAIN BROOKINGS SD 57006 SCHULTE GLASS SHOP 227 W GALENA St BUTTE MT 59701 SCHULTE T A INC PO Box 902 HURON SD 57350 SCHULTZ BUILDING CENTER PO Box 5 AVON SD 57315-0005 SCHULZ REFRIGERATION 710 1ST St E POLSON MT 59860 SCHWAN ELECTRIC INC PO Box 1733 ABERDEEN SD 57402-1733 SCHWAN WELDING & BOILER REPAIR 14 S DAKOTA S ABERDEEN SD 57401 SCHWANS SALES OF SIOUX FALLS 700 E 52ND ST N SIOUX FALLS SD 57103 SCHWARTZ BROS PARTNERSHIP 28674 417 AVE TRIPP SD

SCHWEITZER ENGINEERING LABORATORIES 2091 EE 1300 SE Ste No105 Salt Lake City UT 84108 SCIENCE BOWL FUND 200 4TH ST SW HURON SD 57350 SCIENTECH 4501 INDIAN SCHOOL Rd N Ste 200 ALBUQUERQUE NM 87110 SCOBLICS OFFICE CITY PO Box 775 YANKTON SD 57078 SCORE KALISPELL 2 MAIN St KALISPELL MT 59901 SCOTLAND AFTER PROM PO Box 109 SCOTLAND SD 57059 SCOTLAND CHAMBER OF COMMERCE PO Box 362 SCOTLAND SD 57059 SCOTLAND FIRE DEPT PO Box 492 SCOTLAND SD 57059 SCOTLAND GOOD SAMARITAN CENTER 130 SIXTH ST SCOTLAND SD 57059-0428 SCOTLAND HIGH SCHOOL SHOW CHOIR 711 4TH ST SCOTLAND SD 57059 SCOTLAND OIL COMPANY PO Box 469 SCOTLAND SD 57059 SCOTLAND RODEO CLUB c/o Gary Suess 28741 418TH Ave TRIPP SD 57376 SCOTLAND SCHOOL DISTRICT 43 PO BOC 327 SCOTLAND SD 57059-0327 Scott & Stringfellow Inc c o ADP SCOTT ENGINEERING 20540 WALNUT Dr WALNUT CA 91789 SCOTT EQUIPMENT COMPANY 10 74TH ST EAST PO Box 1761 WILLISTON ND 58801 SCOTT EQUIPMENT COMPANY 4990 MILLER St WHEATRIDGE CO 80034 SCOTT EQUIPMENT COMPANY No10 74TH ST E WILLISTON ND 58801 SCOTT FRIEDE RT1 BOX 13 CHINOOK MT 59523 SCOTT JANKE 417 N KANSAS MADISON SD 57042 SCOTT M MAGIE 4905 S TARRAGON CIR SIOUX FALLS SD 57108 SCOTT M MCGAUGH 21755 394 Ave ALPENA SD 57312 SCOTT MAGIE 4905 S TARRAGON CIR SIOUX FALLS SD 57108-2849 SCOTT OLSON* PO Box 133 CORSICA SD 57328 SCOTT SCHEELER 220 S DAWES ST LEWISTOWN MT 59457-3037 SCOTT SPECIALTY GASES 500 WEAVER PARK Rd LONGMONT CO 80501 SCOTT SUPPLY CO W HIGHWAY 16 MITCHELL SD 57301 SCOTT WILLIAMS CONSTRUCTION 161 RAMM HTS DR MADISON SD 57042 SCOTTISH RITE TEMPLE ASSOCIATION 333 CEDAR ST PO BOX 124 YANKTON SD 57078 Scottrade Inc c o ADP SCOTTS CLEANING 620 13TH ST W APT 17 HAVRE MT 59501-4808 SCOTTS PLUMBING & HEATING 312 N MAIN CHAMBERLAIN SD 57325 SCOTTSDALE AVIATION INC 1500 AIRPORT RD SARNIA ON N7W 1B6 Canada SCOTTYS LEAGUE 12888 PLEASANT VALLEY DR ABERDEEN SD 57401 SCRUBBYS CAR WASHES 1303 N 7TH BOZEMAN MT 59715

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 123 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SD CONTINUING LEGAL EDUCATION 222 E CAPITOL PIERRE SD 57501 SD DEPARTMENT OF HEALTH PO Box 220 LAKE ANDES SD 57356-0220 SD DEPARTMENT OF TRANSPORTATION 700 E Broadway Ave PIERRE SD 57501-2586 SD DEPT OF HEALTH WEBSTER 711 W 1ST ST WEBSTER SD 57274 SD ELECTRICAL COMMISION 118 W CAPITOL PIERRE SD 57501-5070 SD HOUSING AUTHORITY PO Box 1237 PIERRE SD 57501-1237 SD LAW REVIEW 414 E CLARK ST VERMILLION SD 57069 SD School for Visually Handicap 423 SE 17 Ave Aberdeen SD 57401 SD STATE FAIR PO Box 1275 HURON SD 57350 SD WIND ENERGY CONFERENCE 500 E CAPITOL PIERRE SD 57501 SDCEDC PO Box 1056 PIERRE SD 57501-1056 SDN COMMUNICATIONS 2900 W 10TH St SIOUX FALLS SD 57104 SDRA/SDRA SERVICES COMBINED 320 E CAPITAL PIERRE SD 57501 SDSU ALUMNI ASSOCIATION PO Box 515 BROOKINGS SD 57007 SDSU FOUNDATION PO Box 525 BROOKINGS SD 57007 SDSU FOUNDATION ACCT #7507 PO Box 2220 BROOKINGS SD 57007 SDSU FOUNDATION FUND 823 MEDARY AVE BROOKINGS SD 57007 SEALWELD CORPORATION 7240 BRITTMOORE Ste 120 HOUSTON TX 77041 SEAN KELLOGG 2015 5TH Ave S GREAT FALLS MT 59405 SEARCHAMERICA 7001 E FISH LAKE RD MAPLE GROVE MN 55311 SEARS 3703 HARRISON Ave BUTTE MT 59701 Seattle City Light Power Managemen SMT 3220 700 Fifth Ave Ste 3300 PO Box 34023 Seattle WA 98124-4023 SEAWEARD THOMAS 77 LOVERS Ln ABSAROKEE MT 59001 SECOND AVENUE INVESTORS PO Box 20695 BILLINGS MT 59104 SECOND CENTURY PUBLISHING INC PO Box 950 FREEMAN SD 57029-0950 SECOND STORY DESIGN 1065 STRAWBERRY HELENA MT 59601 SECRETARY OF STATE CAPITAL BUILDING HELENA MT 59620 SECRETARY OF STATE DIVISION OF CORPORATIONS ALBANY NY 12207 SECRETARY OF STATE BOB BROWN PO Box 202801 HELENA MT 59620-2801 SECURITAS SECURITY SERVICES 18 SIXTH St NORTH STE 26B GREAT FALLS MT 59401-3148 SECURITAS SECURITY SERVICES 2 Campus Drive Parsippany NJ 07054 Securitas Security Services USA Inc #18 Sixth St N Great Falls MT 59401 SECURITIES INFORMATION CENTER PO Box 360916 PITTSBURGH PA 15251-6916 SECURITIES TRANSFER ASSN INC PO Box 5067 HAZLET NJ 07730-5067 SECURITY ARMORED EXPRESS INC 2500 N COOKE HELENA MT 59604-4937 Security Armored Express Inc PO Box 4937 Helena MT 59604 SECURITY FIRE PROTECTION PO Box 5868 HELENA MT 59601 Security Fire Protection Inc PO Box 5868 Helena MT 59604 SECURITY TITLE COMPANY 600 S 19TH Ave BOZEMAN MT 59718 SEECO 3268 WINPARK Dr MINNEAPOLIS MN 55427 SEEHAFER ACE HARDWARE 217 SOUTH MAIN St MILBANK SD 57252-1808 SEFCOR INC 1150 UNIFORM Rd GRIFFIN GA 30224 SELAH COMMUNITY DAYS ASSOCIATION PO Box 783 SELAH WA 98942 SELBYS 1914 N AVE W MISSOULA MT 59806-2325 SELBYS 2595 ENTERPRISE AVE BILLINGS MT 59103-1875 SELBYS 2595 ENTERPRISE AVE PO Box 1875 BILLINGS MT 59103-1875 SELBYS 2595 ENTERPRISE AVE PO BOX 80625 BILLINGS MT 59108 SELBYS PO Box 1856 BOZEMAN MT 59771-1856 SELECT NETWORKS 317 6TH AVE STE 1040 DES MOINES IA 50309 SENIOR ALL NIGHT PARTY 1300 BILLINGS AVE HELENA MT 59601 SENIOR HELPING HANDS 3310 2ND Ave N BILLINGS MT 59101 SENSORLINK CORPORATION 1975 VALLEY HWY 9 ACME WA 98220 SENTINEL HIGH SCHOOL 901 S AVE W MISSOULA MT 59801 SENTINEL MECHANICAL INC PO Box 4246 MISSOULA MT 59806 SERBIAN OTHODOX CHURCH 2100 CONTINENTAL Dr BUTTE MT 59701 SERTOMA CLUB PO Box 276 HURON SD 57350-0276 SERTOMA CLUB PO Box 784 ABERDEEN SD 57402 SERVALL TOWEL & LINEN 828 1 2 N MAIN ST SIOUX FALLS SD 57104 SERVALL TOWEL & LINEN 828 1/2 N MAIN ST SIOUX FALLS SD 57104 SERVICE ELECTRIC INC PO Box 1196 BOZEMAN MT 59715 SERVICE SIGNS INC PO Box 1172 ABERDEEN SD 57402-1172 ServiceMaster 1118 W 9th St Yankton SD 57078 SERVICEMASTER OF SE SD 1118 W 9TH ST YANKTON SD 57078 SERVICEMASTER OF SOUTHEAST SOUTH DAKOTA 1118 W 9TH St YANKTON SD 57078 SESTA 110 S PACA ST BALTIMORE MD 21201 SEVERSONS SERVICE STATION PO Box 786 PLATTE SD 57369 SEWARD & KISSEL LLP ONE BATTERY PARK PLAZA NEW YORK NY 10004 SEWER ROOTER & PLUMBING INC 816 S EDDY GRAND ISLAND NE 68801 Sexauer Co Elevator Dryer 100 Main Ave Box 58 Brookings SD 57006 0058 SGE New York Associates Anne Pace GE Capital Structured Finance 120 Long Ridge Road Stamford CT 06927 SGE New York Associates SIMPSON THACHER & BARTLETT 425 LEXINGTON AVE NEW YORK NY 10017-3954 SGS Statistical Services 5991 N Placita De La Oleada Tucson AZ 85750 SHAIR RAHAIM PO Box 3143 RIDGELAND MS 39158-3143 SHAKESPEARE COMPOSITE STRUCTURES PO Box 866 BOTHELL WA 98041 SHALLBETTER 3268 WINPARK DR MINNEAPOLIS MN 55427 SHALLBETTER INC PO Box 685067 MILWAUKEE WI 53268-5067 Shamberg Wolf McDermott & Depue 202 W Third St Ste 201 Grand Island NE 68802-0460 Shamberg Wolf McDermott & Depue PO Box 460 Grand Island NE 68802

SHAMBERG WOLF MCDERMOTT & DEPUE Shamberg Wolf McDermott & Depue PO Box 460 Grand Island NE 68802 SHAMBERG WOLF MCDERMOTT & DUPUE 202 W THIRD St Ste 201 GRAND ISLAND NE 68802-0460

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 124 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country

SHAMROCK LAND & REAL ESTATE SERVICE 107 E COMMERCIAL St ANACONDA MT 59711

SHAMROCK LAND & REAL ESTATE SERVICE 107 EAST COMMERCIAL St ANACONDA MT 59711 Shamrock Land & Real Estate Services 107 East Commercial St Anaconda MT 59711 SHANA L CARTER NPRN 2012 14TH ST SW GREAT FALLS MT 59404 SHANE KUCK PO Box 161375 Big Sky MT 59716-1375 Shane Stevens 7401 E Martin Luther King Ave Denver CO 80207 SHANES SHOP & SUCH PO Box 164 ABSAROKEE MT 59001 SHANNON J SMITH PO Box 903 BILLINGS MT 59103 SHANSTROM REPORTING 651 HIGHLAND PARK DR BILLINGS MT 59102-1908 SHAREHOLDERCOM 12 CLOCK TOWER PLACE MAYNARD MA 01754 SHARON LEE WOLLAN PO Box 854 CUT BANK MT 59427 SHARON SCHAMBER PO Box 43 FREEMAN SD 57029 SHARP CHEVROLETCADILLAC 2323 6TH ST E BROOKINGS SD 57006 SHAWN MORRIS 721 S 11TH Ave BOZEMAN MT 59715 SHAWN MULHANEY 307 N 2ND AVE CASTLEWOOD SD 57223 SHAWNA BRIDGEWATER 4717 188th St NW Stanwood WA 98292-6883 SHEELER & SON ENTERPRISES PO Box 3 PENDROY MT 59467 Shelby Gas Association PO Box 729 Shelby MT 59474 Shelby High Schoo 1001 6th St N Shelby MT 59474 SHELBY HIGH SCHOOL 1001 6TH STE N SHELBY MT 59474 SHENANIGANS 1OOO SW 18TH HURON SD 57350-3412 SHENANIGANS 3315 SE 6TH ABERDEEN SD 57401 Sheraton Ramkota Inn 1400 8th Ave NW Aberdeen SD 57401 SHERATON SIOUX FALLS 1211 N WEST AVE SIOUX FALLS SD 57104 SHERIDAN HIGH SCHOOL PO Box 586 SHERIDAN MT 59749 SHERMAN & REILLY INC PO Box 11267 CHATTANOOGA TN 37401 SHERMAN MOORE PO Box 212 WHITEHALL MT 59759 SHERRY PARMATER 919 SECOND AVE KALISPELL MT 59901 SHERWIN WILLIAMS 240 DAKOTA AVE S HURON SD 57350 SHERWIN WILLIAMS 305 N MAIN ST ABERDEEN SD 57401 SHERWIN WILLIAMS 517 N MAIN ST MITCHELL SD 57301-1921 SHERWIN WILLIAMS COMPANY 1740 A East Powell Blvd Gresham OR 77030 SHERWIN WILLIAMS COMPANY 1920 HARRISON AVE BUTTE MT 59701-5466 SHIPCOM WIRELESS 11200 RICHMOND AVE Ste 552 HOUSTON TX 77082 Shipcom Wireless Inc 11200 Richmond Ave Ste 552 Houston TX 77082 SHIRLEY A GERHARDT 1006 S BLACK AVE BOZEMAN MT 59715 SHIRLEY A HAAS 1101 REDMOND ST YANKTON SD 57078-2660 SHOENROCK PLUMBING & HEATING 437 S WASHINGTON ST MADISON SD 57042 Shopko Attn Tom Mai 500 N Hwy 281 Aberdeen SD 57401 SHOPKO OPTICAL #128 1370 HWY 2 E KALISPELL MT 59901 SHOPKO OPTICAL #4062 301 NORTHWEST BYPASS GREAT FALLS MT 59404-4125 SHOPKO OPTICAL #4075 2510 S RESERVE St MISSOULA MT 59801 SHOPKO OPTICAL #4106 905 S 24TH St W BILLINGS MT 59102 SHOPKO OPTICAL #4112 3101 N MONTANA AVE HELENA MT 59601 SHOPKO OPTICAL 4075 2510 SOUTH RESERVE St MISSOULA MT 59801 SHOPKO OPTICAL 4106 905 SOUTH 24TH St WEST BILLINGS MT 59102 SHOPKO OPTICAL 4112 3101 N MONTANA AVE HELENA MT 59601 SHOPKO STORES INC #38 2208 N WEBB ROAD GRAND ISLAND NE Shopko Stores Inc 149 500 N Hwy 281 Aberdeen SD 57401 SHOWDOWN SKI AREA SKY LIFT INC PO Box 92 NEIHART MT 59465 SHOWDOWN SKI AREA/SKY LIFT INC PO Box 92 NEIHART MT 59465 SHOWROOM AUTO BODY 1415 1ST AVE N BILLINGS MT 59101 SHRINE CIRCUS FUND 1003 CLEVELAND AVE HAVRE MT 59501 SHRINE CIRCUS FUND PO Box 2426 GREAT FALLS MT 59403-2426 Shrine Hospital Fund PO Box 1066 Aberdeen SD 57402-1066 SI TANKA HURON UNIVERSITY 435 N ELM ST EAGLE BUTTE SD 57625 SICHMELLER ENGINEERING 801 Railroad AVE SE ABERDEEN SD 57401 SID GONSOR 1305 E MELGAARD RD ABERDEEN SD 57401 SIEBEL SYTEMS INC 1855 S GRANT St SAN MATEO CA 94402 SIEBEN LIVE STOCK COMPANY PO Box 835 HELENA MT 59624 SIEGEL BARNETT & SCHUTZ 500 CAPITOL BLDG ABERDEEN SD 57402-0490 SIEGLINGS SUPER VALU 516 N MAIN REDFIELD SD 57469 SIEMENS ENERGY & AUTOMATION N 15721 TIMBERGLEN CT SPOKANE WA 99208 SIEMENS POWER T & D INC DEPT CH 10075 PALATINE IL 60055-0075 SIEMENS POWER T & D INC DEPTE CH 10075 PALATINE IL 60055-0075 SIEMENS POWER TRANSMISSION DEPT CH 10075 PALATINE IL 60055-0075 SIEMENS POWER TRANSMISSION & 1650 TECHNOLOGY Dr MAILSTOP 221 SAN JOSE CA 95110 Sierra Nevada Liquidity Fund 2699 White Rd Ste 255 Irvine CA 92614 Sierra Pacific Power Company or Nevada Power Company Paul Schmidt Senior Engineer Transmission Planning PO Box 10100 Reno NV 89520 0024 SIERRA PRODUCTION COMPANY PO BOX 716 SHELBY MT 59474 SIGLER CO INC PO Box 84208 SIOUX FALLS SD 57118-4208 SIGN A RAMA 8 E MAIN ST BOZEMAN MT 59715 SIGN PRO 2301 W 50TH ST SIOUX FALLS SD 57105-6568 SIGN PRO 2621 BROOKS MISSOULA MT 59801 SIGN PRO 5160 MIDLAND RD BILLINGS MT 59101 SIGN PRO OF HAMILTON 320 N 1ST ST HAMILTON MT 59840 SIGN PRODUCTS INC 1425 MONAD RD BILLINGS MT 59101 SIGNATURE PLUS 363 WISCONSIN SW HURON SD 57350 SIGNS NOW 2631 W MAIN BOZEMAN MT 59718

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 125 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SIGNS NOW #139 164 7TH AVE WN KALISPELL MT 59901 SIGNS NOW #86 1844 Broadwater Ste 7A BILLINGS MT 59102 SIGNS NOW 86 1844 BROADWATER Ste 7 A BILLINGS MT 59102 SIGNS PLUS PO Box 70 MADISON SD 57042 SIGNS WEST PO Box 1152 ENNIS MT 59729 Silchester 212 3773714 FAX 212 3767555 780 Third Ave 42nd F New York NY 10017 SILK SIGNS & DESIGNS PO Box 3103 BUTTE MT 59702-3103 SILVER BOW AMATEUR WRESTING ASSOC PO Box 3391 BUTTE MT 59702-3391 SILVER BOW CHAPTER OF MT 1340 W GRANITE BUTTE MT 59701 SILVER BOW COUNTY CLERK & RECORDER PO Box 585 BUTTE MT 59703 SILVER BOW HUMANITARIAN SERVICES 2120 EAST Dr BUTTE MT 59701 SILVER BOW TROPHY 902 CALIFORNIA BUTTE MT 59701 SILVERTIP GAS & SUPPLY 4701 HARRISON Ave BUTTE MT 59701-7002 SILVERWOOD APTS 404 WOODLAND DR GRAND ISLAND NE 68801-8892 SIME CONSTRUCTION 7720A SHEDHORN No140 BOZEMAN MT 59718 SIME REPAIR SHOP PO Box 94 REVILLO SD 57259 SIMMS HIGH SCHOOL PO Box 380 SIMMS MT 59477 SIMMS HIGH SCHOOL GRADUATES PO Box 589 GREAT FALLS MT 59403 SIMONE ENGINEERING P O BOX 633196 CINCINNATI OH 45263-3196 SIMONS PETROLEUM INC PO Box 644 SHELBY MT 59474 SIMPLEX GRINNELL LLP 2816 DOGWOOD GILLETTE WY 82718 SIMPLEX TIME RECORDER 2821 FLETCHNER DR FARGO ND 58103-9820 SIMPLEX TIME RECORDER CO 5593 W 78TH ST EDINA MN 55439 SIMPLEX TIME RECORDER CO DEPT CH 10320 PALATINE IL 60055-0320 SimplexGrinnel 5400 Nathan Ln N Plymouth MN 55442 Simpro Inc 2160 Orleans St Mandeville LA 70448-3748 SIMPSON THACHER & BARTLETT 425 LEXINGTON AVE NEW YORK NY 10017-3954 SIMUFLITE TRAINING INTL INC GECC/CEF SIMUFLITE L/BNo 846135 DALLAS TX 75284-6135 SINOR ENGINE COMPANY INC 1100 GEORGIA AVE & 13TH ST DEER PARK TX 77536-2522 SIOUX COUNCIL BOY SCOUTS OF 2304 WALNUT YANKTON SD 57078 SIOUX EMPIRE HOUSING EQUITY FUND 701 E 60TH St N SIOUX FALLS SD 57104 SIOUX EMPIRE UNITED WAY 1000 N WEST Ave No120 SIOUX FALLS SD 57104-1314 SIOUX FALLS AREA PCC PO Box 1634 SIOUX FALLS SD 57104-1634 SIOUX FALLS AREA POSTAL CUSTOMER CO PO Box 1634 SIOUX FALLS SD 57104-1634 SIOUX FALLS CANARIES BASEBALL PO Box 84412 SIOUX FALLS SD 57118 SIOUX FALLS DEVELOPMENT PO Box 907 SIOUX FALLS SD 57101-0907 SIOUX FALLS JAZZ AND BLUES SOCIETY PO Box 88904 SIOUX FALLS SD 57109 SIOUX FALLS RUBBER STAMP WORKS 212 S MAIN SIOUX FALLS SD 57101 SIOUX FALLS SKYFORCE 2101 W 41ST ST STE 38 SIOUX FALLS SD 57105 SIOUX FALLS STAMPEDE HOCKEY 230 S PHILLIPS AVE STE 104 SIOUX FALLS SD 57104-6321 SIOUX FALLS TOWER & COMMUNICATIONS 2224 E 39TH ST N SIOUX FALLS SD 57104-5409 SIOUX FALLS UTILITIES 1201 N WESTERN AVE SIOUX FALLS SD 57104-1201 SIOUX FALLS WINAIR CO 506 S CLIFF STE 102 SIOUX FALLS SD 57103 SIOUX FALLS WINNELSON CO 506 S CLIFF STE 100 SIOUX FALLS SD 57103 SIOUX FALLS WINPUMP CO 506 S CLIFF STE 104 SIOUX FALLS SD 57103 SIOUX FALLS YOUTH HOCKEY ASSOC 4235 W MESA PASS SIOUX FALLS SD 57106 SIOUX VALLEY CHILDRENS CMN 1100 S EUCLID SIOUX FALLS SD 57117-5039 SIOUX VALLEY CLINIC OCCUPATIONAL ME 3803 N 4TH AVE SIOUX FALLS SD 57104 SIOUX VALLEY COOP PO Box 965 WATERTOWN SD 57201 SIOUX VALLEY ENERGY PO Box 5512 SIOUX FALLS SD 57117-5512 SIOUX VALLEY HEALTH PLAN PO Box 91110 SIOUX FALLS SD 57109-1110 Sioux Valley Hospitals & Health System Director of Marketing PO Box 5039 Sioux Falls SD 57117 SIOUX VALLEY PHYSICIAN GROUP PO Box 5074 SIOUX FALLS SD 57117-5074 SIOUX VALLEY SANITATION SERVICE INC 21406 464TH AVE VOLGA SD 57071 SIOUX VALLEY SCHOOL 200 HANSINA AVE VOLGA SD 57071 SIOUX VALLEY SOUTHWESTERN PO Box 216 COLMAN SD 57017-0216 SIOUX VALLEY TELEPHONE COMPANY 525 E 4TH ST DELL RAPIDS SD 57022-0098 Sioux Valley Telephone Company 525 E 4TH ST PO Box 98 DELL RAPIDS SD 57022-0098 SIOUX VOCATIONAL SERVICES FOUNDATIO 4100 S WESTERN AVE SIOUX FALLS SD 57105-6699 SIOUXLAND CHILD PROTECTION COUNCIL 801 N SYCAMORE AVE SIOUX FALLS SD 57110 SIPCO PRODUCTS INC PO Box 5655 PEORIA IL 61601-5655 SISSON PRINTING INC 3500 S DULUTH AVE SIOUX FALLS SD 57105 SISTERS OF THE PRESENTATION OF 1500 N 2ND ST ABERDEEN SD 57401-1238 SIVALLS INC PO Box 50996 CASPER WY 82604 Six Continents Hotels Inc Darrrell L Marciniak 6 Ravinia Dr Ste 2900 Atlanta GA 30346 SIXTH AVENUE FAMILY PRACTICE 1200 E 6TH MITCHELL SD 57301 SK GEOTECHNICAL CORPORATION PO BOX 16123 MISSOULA MT 59808 SK Geotechnical Corporation PO Box 16123 Missoula MT 59808-6123 SK GEOTECHNICAL CORPORATION PO Box 6123 MISSOULA MT 59808 SKADDEN ARPS SLATE MEAGHER & FLO FOUR TIMES SQUARE NEW YORK NY 10036 SkaddEN ARPS SLATE MEAGHER Skadden, Arps, Slate, Meagher & Flom, LLP & FLOm llp Attn: Richard Levin 300 South Grand Ave Suite 3400 Los Angeles CA 90071 SKAGWAY SOUTH LOCUST 1607 S LOCUST GRAND ISLAND NE SKELTON JAMES 38 9TH AVE SE CUT BANK MT 594273116 SKH CONSULTING 3505 E 11th SIOUX FALLS SD 57103-2154 SKILLPATH SEMINARS 6900 SQUIBB Rd MISSION KS 66201-2768 SKILLPATH SEMINARS PO Box 2768 MISSION KS 66201-2768 SKYLINE DISPLAYS 44 W JEFRYN BLVD DEER PARK NY 11729 SKYLINE LODGE 2929 3RD AVE N BILLINGS MT 59101 SKYVIEW TOWER SERVICE PO Box 91 HURON SD 57350 Skyways Ltd PO Box 124 HURON SD 57350 SLEEPING GIANT BREWING COMPANY 939 GETCHELL HELENA MT 59601

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SLOAN BROTHERS CO 204 PENNSYLVANIA AVE OAKMONT PA 15139 SMART BUSINESS SOLUTIONS 1800 E 61ST ST SIOUX FALLS SD 57108 SMARTHOME PRO 16542 MILLIKON Ave IRVINE CA 92606 SMARTPROS LTD 12 SKYLINE Dr HAWTHORNE NY 10532 SMIDT APPLIANCE & FURNITURE PO Box 365 MENNO SD 57045 SMITH EQUIPMENT COMPANY 820 9TH ST N GREAT FALLS MT 59403 SMITH JAMES 908 CANNON ST HELENA MT 596012440 SMITH PRECISION MASONRY INC PO Box 10032 BOZEMAN MT 59719 SMITHS BACKHOE SERVICE PO Box 64 LINCOLN MT 59639 SMURFIT STONE CONTAINER PO Box 4707 MISSOULA MT 59806 SMURFIT STONE CONTAINER CORP 5417 BONANZA PLACE MISSOULA MT 59808 SmurfitStone Container Corporation PO Box 4707 Missoula MT 59806-4707 SNAP ON TOOLS PO Box 192 CLANCY MT 59634 SNAP ON TOOLS PO Box 733 HAVRE MT 59501 SNAP ON TOOLS CORPORATION 106 OBRIEN LN BUTTE MT 59701 SNAP ON TOOLS CORPORATION 2504 S 156TH CIR OMAHA NE 68130-2510 SNELL SERVICES INC 2220 W FRONT ST NORTH PLATTE SD 69103-0629 SNOWPLOW SERVICE INC 910 S MONTANA St BUTTE MT 59701 SNYDER LAW OFFICE PC PO Box 717 BIGFORK MT 59911 SOAP CREEK CATTLE CO INC PO Box 272 AUGUSTA MT 59410-0272 SOCAP INTERNATIONAL 675 N WASHINGTON STRE Ste 200 ALEXANDRIA VA 22314 SOCIETY FOR HUMAN RESOURCE MGT PO Box 79482 BALTIMORE MD 21279-0482 SOCIETY OF CONSUMER AFFAIRS 801 N FAIRFAX ST STE 404 ALEXANDRIA VA 22314 SODA SUPPLY PO Box 23 BELGRADE MT 59714 SODAK PEST CONTROL 641 S LAKE DR WATERTOWN SD 57201 SODAK PRINTING INC PO Box 476 YANKTON SD 57078 SODEXHO MARRIOTT SERVICES INC 1601 NE BENTON Ave HELENA MT 59625 SOFPAK TECHNOLOGIES INC 706 E GUDE Dr Ste B ROCKVILLE MD 20850 SOFSTOR CARGO CONTAINMENT SYSTEMS 3569 CONNIE CIR APT A PARADISE CA 95969-5678 Software Performance Drawer 984 Friendswood TX 77549 SOFTWARE PERFORMANCE INC PEOE DRAWER 984 FRIENDSWOOD TX 77546 SOFTWARE PERFORMANCE INC PO DRAWER 984 FRIENDSWOOD TX 77546 SOFTWARE PERFORMANCE INC Richard P Chohrach PO DRAWER 984 FRIENDSWOOD TX 77546 SOLAR PLEXUS 130 W FRONT MISSOULA MT 59802 Solar Plexus LLC 1605 Stephens Ave Suite B Missoula MT 59801 SOLAR TURBINES 6965 UNION PARK CENTER Ste 460 MIDVALE UT 84047 Solar Turbines Inc 6965 Union Park Center Ste 460 Midvale UT 84047 SOLAR TURBINES INC PO Box 85376 SAN DIEGO CA 92186-5376 SOLID ROCK BIBLE CHURCH 751 4TH AVE NW GREAT FALLS MT 59404-2404 Solid Solutions LLC 2025 Garfield Butte MT 59701 SOLID SOLUTIONS LLC 2025 GARFIELD St BUTTE MT 59701 SOLID WASTE DISTRICT PO Box 519 THOMPSON FALLS MT 59873-0519 SOLOMON CORPORATION 103 W MAIN SOLOMON KS 67480 SOLOMON TROY PO BOX 42 GREY CLIFF MT 59033 SOLON MANUFACTURING COMPANY PO Box 74419 CLEVELAND OH 44194-4419 SOMERA COMMUNICATIONS 5383 HOLLISTER AVE STE 100 SANTA BARBARA CA 93111 SOMERA COMMUNICATIONS DEPARTMENT 1521 LOS ANGELES CA 90084-1521 Sondra A Wegner PO Box 231 Penn Valley CA 95946-0231 Sondra A Wegner The Depository Trust Company 55 Water St 49th Fl New York NY 10041 SONSHINE INN 108 6TH ST BROOKINGS SD 57006 SORENSON BROADCASTING 600 KIWANIS SIOUX FALLS SD 57104-1802 SOROPTIMIST INTERNATIONAL 108 ALDERSON Ave BILLINGS MT 59101 SOUKUP LORA 106 S WAYLAND SIOUX FALLS SD 57103 SOUND DECISIONS 501 S HARVARD ST ABERDEEN SD 57401 SOUND PRO 1302 13TH St S GREAT FALLS MT 59405 SOUTH CAROLINA STATE TREASURER PO Box 11778 COLUMBIA SC 29211-1778 SOUTH DAKOTA % DEPT OF REVENUE SIOUX FALLS SD 57117-5055 SOUTH DAKOTA BANKERS ASSOC PO Box 1081 PIERRE SD 57501-1081 SOUTH DAKOTA BOARD OF 301 E 14TH ST STE 200 SIOUX FALLS SD 57104 SOUTH DAKOTA BROADCASTERS ASSN 106 W CAPITOL AVE PIERRE SD 57501 SOUTH DAKOTA CHAMBER & ECONOMIC PO Box 1056 PIERRE SD 57501-1056 SOUTH DAKOTA CHAMBER OF PO Box 190 PIERRE SD 57501 SOUTH DAKOTA CONCRETE PRODUCTS SOUTH EAST CITY LIMITS MITCHELL SD SOUTH DAKOTA CORN GROWERS ASSOC 3801 W WESTERN AVE Ste 100 SIOUX FALLS SD 57105 SOUTH DAKOTA COUNTIES 306 E CAPITOL AVE Ste 10 PIERRE SD 57501 SOUTH DAKOTA CPA SOCIETY 1000 W AVE N No 100 SIOUX FALLS SD 57101-1798 SOUTH DAKOTA DEFENSE LAWYERS PO Box 1157 SIOUX FALLS SD 57101 SOUTH DAKOTA DENR PO Box 5055 SIOUX FALLS SD 57117-5055 SOUTH DAKOTA DEPARTMENT OF 118 W CAPITAL PIERRE SD 57501-2080 SOUTH DAKOTA DEPARTMENT OF 700 Broadway AVE S PIERRE SD 57501 SOUTH DAKOTA DEPARTMENT OF ENVIRNOMENT AND NATURAL RESOURCES 523 E CAPITOL PIERRE SD 57501-3181 SOUTH DAKOTA DEPARTMENT OF ENVIRONMENTAL PROTECTION PIERRE SD 57501 SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION TRANSPORTATION BUILDING PIERRE SD 57501 South Dakota Department of Transportation Railroad 118 W CAPITAL PIERRE SD 57501-2080 South Dakota Department of Transportation Railroad 700 BROADWAY AVE S PIERRE SD 57501 SOUTH DAKOTA DEPARTMENT OF WATER AND NATURAL RESOURCES MILBANK SD 57252

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 127 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SOUTH DAKOTA DEPT OF LABOR 700 GOVERNOR DR KNEIP BLDG PIERRE SD 57501-2277 SOUTH DAKOTA DEPT OF LABOR PO Box 4730 ABERDEEN SD 57402-4730 SOUTH DAKOTA ELECTRIC UTILITY PO Box 247 PIERRE SD 57501 SOUTH DAKOTA ELECTRICAL COMM 118 W CAPITAL PIERRE SD 57501 SOUTH DAKOTA ELECTRICAL COUNCI PO Box 84721 SOIUX FALLS SD 57118-4721 SOUTH DAKOTA FARMERS UNION PO Box 1388 HURON SD 57350 SOUTH DAKOTA HALL OF FAME PO Box 180 CHAMBERLAIN SD 57325 SOUTH DAKOTA JAYCEES PO Box 882 MITCHELL SD 57301-0882 SOUTH DAKOTA LIONS EYE BANK 1321 W 22ND ST SIOUX FALLS SD 57105 SOUTH DAKOTA MAGAZINE PO Box 175 YANKTON SD 57078 SOUTH DAKOTA MUNICIPAL LEAGUE 214 E CAPITOL PIERRE SD 57501 SOUTH DAKOTA NETWORK INC 2900 W 10TH ST SIOUX FALLS SD 57104 South Dakota Network LLC 2900 W 10th St Sioux Falls SD 57104 SOUTH DAKOTA NEWSPAPER SERVICE PO Box 8100 BROOKINGS SD 57007 SOUTH DAKOTA PARALEGAL ASSOCIATION 125 SE DAKOTA AVE SIOUX FALLS SD 57104 SOUTH DAKOTA PEACE OFFICER 2601 S MINNESOTA AVE No 105 SIOUX FALLS SD 57105 SOUTH DAKOTA PERMIT CENTER PO Box 242 SISSETON SD 57262 SOUTH DAKOTA PUBLIC 500 E CAPITOL PIERRE SD 57501-5070 South Dakota Public Utilities Comm John J Smith 500 East Capitol Avenue Pierre SD 57501-5070 SOUTH DAKOTA RURAL ELECTRIC ASSOC PO Box 1138 PIERRE SD 57501 SOUTH DAKOTA RURAL ENTERPRISE INC PO Box 802 SIOUX FALLS SD 57101-0802 SOUTH DAKOTA SAFETY COUNCIL 1108 N West Ave SIOUX FALLS SD 57104-1333 South Dakota School for the Visually Handicap 423 17th Ave SE Aberdeen SD 57401 SOUTH DAKOTA SEC OF STATE 500 E CAPITOL PIERRE SD 57501-5070 SOUTH DAKOTA SECRETARY OF STATE 500 E CAPITAL PIERRE SD 57501-5077 SOUTH DAKOTA SHERIFFS ASSOC PO Box 476 BELLE FOURCHE SD 57717 SOUTH DAKOTA SNOW QUEEN FESTIVAL PO Box 1764 ABERDEEN SD 57402-1764 SOUTH DAKOTA SOYBEAN PROCESSOR PO Box 500 VOLGA SD 57071 SOUTH DAKOTA SOYBEAN PROCESSORS PO Box 500 VOLGA SD 57071 SOUTH DAKOTA SPECIAL OLYMPICS 305 W 39TH ST SIOUX FALLS SD 57105 SOUTH DAKOTA STATE FAIR 890 3RD ST SW HURON SD 57350-1275 SOUTH DAKOTA STATE FAIR COMMISSION CHAIRMAN ADMINISTRATION OFFICE HURON SD SOUTH DAKOTA STATE PLUMBING 118 W CAPITOL AVE PIERRE SD 57501-2000 SOUTH DAKOTA STATE TREASURER PO Box 5055 SIOUX FALLS SD 57117-9947 SOUTH DAKOTA STATE UNIVERSITY 510WHALL BROOKINGS SD 57007-0597 SOUTH DAKOTA STATE UNIVERSITY PO Box 2219 BROOKINGS SD 57007-0096 SOUTH DAKOTA STATE UNIVERSITY PO Box 2820 BROOKINGS SD 57006 SOUTH DAKOTA SYMPHONY ORCHESTR 300 N DAKOTA AVE STE 112 SIOUX FALLS SD 57104

SOUTH DAKOTA UNCLAIMED PROPERTY DIV STATE CATPITOL Ste 212 PEIRRE SD 57501 SOUTH DAKOTA UNEMPLOYMENT INS PO Box 4730 ABERDEEN SD 57402-4730 SOUTH DAKOTA UNEMPLOYMENT INSURANCE PO Box 4730 ABERDEEN SD 57402-4730 SOUTH DAKOTA WHEAT GROWERS PO BOX 257 GROTON SD 57445 SOUTH DAKOTA WHEAT GROWERS PO BOX 306 BRISTOL SD South Dakota Wheat Growers Association Terminal West Aberdeen 205 Van Slyke Bldg Aberdeen SD SOUTHEAST TECHNICAL INSTITUTE PO Box 588 YANKTON SD 57078 SOUTHEASTERN ELECTRIC COOPERATIVE PO Box 105 ALCESTER SD 57001-0105 SOUTHERN BELLE CATTLEWOMEN 31250 265 St WINNER SD 57580 SOUTHERN COMPANY SERVICES 241 RALPH MCGILL BLVD ATLANTA GA 30308 SOUTHERN ENERGY TRADING AND MARKETING INC 900 ASHWOOD PARKWAY Ste 500 ATLANTA GA 30338 MEASUREMENT ANALYTICAL & ACCOUNTING SOUTHERN FLOW COMPANIES SPECIALIST PO BOX 51475 LAFAYETTE LA 70505 SOUTHERN FLOW COMPANIES PO Box 51475 LAFAYETTE LA 70505-1475 SOUTHERN MINN MUNICIPAL POWER 500 1ST AVE SW ROCHESTER MN 55902-3303 SOUTHERN POWER DISTRICT 1306 W 3RD ST GRAND ISLAND NE 68802-1687 SOUTHERN POWER DISTRICT 1306 W 3RD ST PO Box 1687 GRAND ISLAND NE 68802-1687 SOUTHERN STATES INC 30 GEORGIA AVE HAMPTON GA 30228 SOUTHERN STATES INC PO Box 57338 SALT LAKE CITY UT 84157 SOUTHERN STATES INC PO Box 930671 ATLANTA GA 31193 SOUTHSIDE REPAIR RR3 BOX 18 WEBSTER SD 57274 Southwest Montana Corporation dba North Yellowstone Cable TV Inc PO Box 707 Gardiner MT 59030 SOUTHWEST MONTANA RADIOLOGY 820 W PLATINUM BUTTE MT 59701 SOUTHWEST MT BLDG INDUSTRY ASSOC 35 E MENDENHALL STE 212 BOZEMAN MT 59771 SOUTHWEST MT REGIONAL SCIENCE FAIR 1300 W PARK St BUTTE MT 59701 Southwest Securities Inc c o ADP SOUTHWEST SEPTIC & TOILETS PO Box 3119 BUTTE MT 59702-3119 SOUTHWESTERN LIFE INSURANCE CO 100 PARK PLACE STE 220 SAN RAMON CA 94583 Southwire Company E Chandler Barrett One Southwire Dr Carrollton GA 30119 SOUTHWIRE COMPANY PO Box 1000 CARROLLTON GA 30119 SOUTHWIRE COMPANY Southwire Company E Chandler Barrett One Southwire Dr Carrollton GA 30119 SPEARFISH CANYON FOUNDATION HC 37 BOX 1387 SPEARFISH SD 57754-9725 SPECIAL OLYMPICS MONTANA INC PO Box 3507 GREAT FALLS MT 59403-3507 Special Olympics Nebraska 8801 F St Omaha NE 68127-1506 SPECTRUM COMMUNICATIONS INC 35 S MAIN St BUTTE MT 59703 Speedway Inc Attn President 7 Dey St New York NY 10007 SPEEDWAY SUPER AMERICA PO Box 1510 SPRINGFIELD OH 45001 Spherion Corporation 1015A S Montana St Butte MT 59701 SPHERION CORPORATION 4259 COLLECTIONS CENTER Dr CHICAGO IL 60693 SPHERION CORPORATION PO Box 847872 DALLAS TX 75284-7872

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 128 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SPIKER COMMUNICATIONS INC 229 E MAIN MISSOULA MT 59807 SPIKER COMMUNICATIONS INC 229 E MAIN PO Box 8567 MISSOULA MT 59807 SPIKER COMMUNICATIONS INC 229 E MAIN PO Box 8567 MISSOULA MT 59807 Spiker Communications Inc PO Box 8567 Missoula MT 59807 Spiker Communications Inc Sheila Kuntz 229 Main Missoula MT 59801 SPILDE GERALD RR 1 BOX 144 ESTELLINE SD 57234-9999 SPINK COLONY RR1 BOX 84 FRANKFORT SD SPINK COUNTY 4 H LEADERS 15162 391ST AVE MELETTE SD 57461 SPINK COUNTY 6TH ANNUAL RELAY 1225 W 2ND REDFIELD SD 57469 Spink County Cable Terry Thomas Box 8 Redfield SD 57469 SPINK COUNTY CLERK OF COURTS 210 EE 7TH AVEE REDFIELD SD 57469 SPINK COUNTY LUMBER PO Box 135 CLARK SD 57225 SPINK COUNTY REGISTER OF DEEDS 210 E 7TH AVE REDFIELD SD 57469 SPINK COUNTY TREASURER 210 E 7TH AVE REDFIELD SD 57469 Spink Electric 6 East 7th Ave SE Redfield SD SPIRIT OF COLUMBIA GARDENS CAROUSEL PO Box 782 BUTTE MT 59703 SPIRIT OF DAKOTA AWARD SOCIETY PO Box 280 HURON SD 57350-0280 SPLASH & DASH CAR WASH 2398 CLEVELAND AVE INWOOD IA 51240 SPLIT ROCK ENERGY LLC 30 W SUPERIOR DULUTH MN 55802-2093 Spooner Construction and Tree Service Inc PO Box 5104 Missoula MT 59806 SPOTS PC SUPPORT AND REPAIR 5340 MAPLE RD GIBBON NE 68840 SPRING FLING HOOP THING PO Box 2982 GREAT FALLS MT 59403 SPRING HILL PRESS INC 16300 LAWRENCE 2130 MOUNT VERNON MO 65712-8411 Springfield Cable Inc Norm Schelske Box 434 Springfield SD SPRINGFIELD CHAMBER OF COMMERC PO Box 329 SPRINGFIELD SD 57062 SPRINGFIELD HARDWARE & VARIETY PO Box 361 SPRINGFIELD SD 57062 SPRINGHILL AUTO BODY REPAIR 4580 BALLANTYNE RD BELGRADE MT 59714 SPRINT PO Box 79255 CITY OF INDUSTRY CA 91716-9255 SPRINT PO Box 79260 CITY OF INDUSTRY CA 91716-9260 SPRINT PO Box 96028 CHARLOTTE NC 28296-0028 Sprint Communications Company LP 1310 E 104th St Kansas City MO 64131-4504 SPRINT CONFERENCING SERVICES PO Box 101343 ATLANTA GA 30392-1343 SPRINT DATA SERVICES PO Box 930331 ATLANTA GA 31193-0331 SPRINT PCS PO Box 79125 CITY OF INDUSTRY CA 91716-9125 SPS USER CONFERENCE SUNGARD SHAREHOLDER SYS INC ATLANTA GA 30350 SPSS Inc Dept 77 6531 Chicago IL 60678-6531 SPSS INC DEPT No776531 CHICAGO IL 60678-6531 SRS (STATE LIEAP) DEPT OF SRS ECONO PO Box 4210 HELENA MT 59020 SSR Engineers 2334 Lewis Ave PO Box 20875 Billings MT 59104 ST FRANCIS MEDICAL CENTER 2620 W FAIDLEY GRAND ISLAND NE 68003 ST FRANCIS MEDICAL CENTER MEMORIAL HEALTH CENTER 2116 W FAIDLEY GRAND ISLAND NE 68003 ST IGNATIUS HIGH SCHOOL PO Box 1540 ST IGNATIUS MT 59865 ST JAMES COMMUNITY HOSPITAL PO Box 3300 BUTTE MT 59702 ST JAMES HEALTHCARE 400 S CLARK St BUTTE MT 59701 ST JAMES OCCUPATIONAL HEALTH 625 W DIAMOND St BUTTE MT 59701 ST JOSEPH HOSPITAL 1200 E 5TH ST MITCHELL SD 57301 ST JOSEPHS INDIAN SCHOOL DEPT JS CHAMBERLAIN SD 57326 ST JUDE THADDEUS SCHOOL 430 7TH AVE HAVRE MT 59501 ST JUDES SCHOOL 420 7TH AVE HAVRE MT 59501 St Lukes Hospital 305 S State St Aberdeen SD 57401 ST LUKES MIDLAND REGIONAL MEDICAL CENTER 305 S STATE ST ABERDEEN SD 57401-4527 ST MATTHEWS ATHLETIC ASSOCIATION PO Box 7097 KALISPELL MT 59904 ST PATRICK HOSPITAL 500 W Broadway MISSOULA MT 59801 St Patrick Hospital 500 W Broadway Missoula MT 59802 ST PATRICK HOSPITAL PO Box 4587 MISSOULA MT 59806-4587 ST PATRICK HOSPITAL & HEALTH 500 W Broadway MISSOULA MT 59806 St Patricks Hospital Occupational and Health PO Box 4587 Missoula MT 59806-4587 ST PATRICKS JR/SR HIGH SCHOOL PO Box 970 NORTH PLATTE NE 69103 ST PATRICKS OCCUPATIONAL HEALTH PO Box 4587 MISSOULA MT 59806-4587 St Paul Lutheran Church 214 SW 7th Ave Aberdeen SD 57401 St Paul Lutheran Church PO Box 787 Aberdeen SD 57402-0787 ST PAULS LUTHERAN CHURCH 202 BROOKS STE MISSOULA MT 59801 ST PETER CREAMERY INC 119 W BROADWAY ST PETER MN 56082 ST PETERS COMMUNITY HOSPITAL 2475 Broadway HELENA MT 59601 ST PETERS HOSPITAL 2475 Broadway HELENA MT 59601 ST PETERS HOSPITAL 2475 E Broadway St HELENA MT 59601-2328 ST REGIS HIGH SCHOOL BOX K ST REGIS MT 59866 ST THOMAS SCHOOLPARISH 401 N VAN EPS AVE MADISON SD ST VINCENT DE PAUL SOCIETY 500 CENTRAL Ave W GREAT FALLS MT 59404 St Vincent Healthcare 1233 N 30th St Billings MT 59101 St Vincent Healthcare PO Box 35200 Billings MT 59107-5200 ST VINCENT HOSPITAL PO Box 35200 BILLINGS MT 59107 ST VINCENT PRIMARY CARE PO Box 30297 BILLINGS MT 59107 ST VINCENTS OCCUPATIONAL HEALTH 1233 N 30TH St BILLINGS MT 59107 STACEY & FUNYAK 100 N 27TH ST Ste 700 BILLINGS MT 59103 STACEY WALEN & FUNYAK 100 N 27TH ST STE 700 BILLINGS MT 59103 STACI KESLING 6007 S CLIFF AVE No 115 SIOUX FALLS SD 57108 STACY GOSSMAN PO Box 80 WARNER SD 57479 STAGELINE MOBILE STAGE INC 700 MARSOLAIS St L ASSOMPTION QC J5W 2G9 Canada STAHLY ENGINEERING & ASSOCIATES 2687 AIRPORT Rd HELENA MT 59601

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 129 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country STALEYS TIRE & AUTOMOTIVEINC 2503 1ST AVE N BILLINGS MT 59101-2320 STALLMAN DITCHING PO Box 393 CHAMBERLAIN SD 57325 STAN HOUSTON EQUIPMENT CO 501 S MARION Rd SIOUX FALLS SD 57106 STAN HOUSTON EQUIPMENT CO PO Box 857 SIOUX FALLS SD 57101 STAN MARSHALL CLASSIC PO Box 505 BROOKINGS SD 57007-0505 STANDARD & POORS/PLATTS/JJ KENNY 2542 COLLECTION CENTER Dr CHICAGO IL 60693 STANDARD PUBLISHING INC PO Box 216 WHITE LAKE SD 57383 STANFORD HIGH SCHOOL PO Box 506 STANFORD MT 59479 STANLEY & ENID KALBERG PO Box 154 HARLOWTON MT 59036 Stanley Consultants Inc 225 Iowa Muscatine IA 52761 Stanley Krauss IRA 269 09L GRAND CENTRAL PKWY FLORAL PARK NY 11005 Stanley Krauss IRA 269 09L Grand Central PKWY Floral Park NY 11005-1010 Stanley Krauss IRA The Depository Trust Company 55 Water St 49th Fl New York NY 10041 STANLEY L PELTON PO Box 341 ABSAROKEE MT 59001 STAR OFFICE MACHINES INC 1505 Ave D BILLINGS MT 59104-0215 STAR SERVICE INC PO Box 1560 BILLINGS MT 59102 Star Service Inc PO Box 1560 Billings MT 59103-1560 STAR TRIBUNE PO Box 1285 MINNEAPOLIS MN 55440-1285 Starlite Cafe and Truck Stop S Hwy 281 PO Box 1127 Aberdeen SD 57402-1127 STARLITE INN MOTEL 500 PARK St YANKTON SD 57078 STARLITE TRUCKSTOP & CAFE PO Box 1127 ABERDEEN SD 57402-1127 STATE BAR OF MONTANA PO Box 577 HELENA MT 59624-0577 STATE BAR OF SOUTH DAKOTA 222 E CAPITOL PIERRE SD 57501 STATE ELECTRICAL DIVISION 307 W 6TH NORTH PLATTE NE 69101 State Farm Insurance The Wilber Law Firm PC PO Box 2159 Bloomington IL 61702-2159 STATE FIRE MARSHAL 118 W CAPITOL PIERRE SD 57501-2080 STATE GLASS INC PO Box 1336 KEARNEY NE 68848 STATE HANGAR 4300 AIRPORT RD BLDG 1 PIERRE SD 57501-5605 STATE LAW LIBRARY OF MONTANA PO Box 203004 HELENA MT 59620-3004 STATE LIFE INSURANCE COMPANY 100 PARK PLACE STE 220 SAN RAMON CA 94583 STATE LINE CONTRACTORS INC PO Box 160 BRIDGER MT 59014 State Line Contractors Inc PO Box 160 Bridger MT 59014-0160 STATE NURSERY PO Box 1187 HELENA MT 59624 STATE OF CALIFORNIA EMPLOYMENT DEVELOPMENT DEPT SACRAMENTO CA 94230-6276 State of Connecticut Department of Revenue Services Bankruptcy Section 25 Sigourney St Hartford CT 06106 State of Connecticut Department of Revenue Services Collection & Enforcement Division Bankruptcy Section 25 Sigourney St Hartford CT 06106 STATE OF IDAHO OFFICE OF THE SECRETARY OF STATE BOISE ID 83720-0080 STATE OF ILLINOIS 401 S STATE ST CHICAGO IL 60605 STATE OF ILLINOIS 501 S SECOND ST SPRINGFIELD IL 62756-5510 STATE OF LOUISIANA PO Box 201 BATON ROUGE LA 70821-0201 STATE OF MARYLAND 301 W PRESTON ST BALTIMORE MD 21201-2395 State of Minnesota Department of Revenue Collection Division Bankruptcy Section PO Box 64447 Saint Paul MN 55164-0447 STATE OF MONTANA 1032 BUCKSKIN Dr DEER LODGE MT 59722-1400 STATE OF MONTANA AIRPORT INDUSTRIAL PARK IP9 BILLINGS MT 59105-1978 MONTANA DEPT LABOR & STATE OF MONTANA INDUSTRY Attn Jeff Lapham Workers Comp Regulation Bureau PO Box 8011 HELENA MT 59604-8011 STATE OF MONTANA DEPARTMENT OF TRANSPORTATION HELENA MT 59604-5895 STATE OF MONTANA DEPT OF NAT RSC & CONSERVATION HELENA MT 59620-2301 State of Montana Montana Department of Transportation 2701 Prospect Helena MT 59620-1001 STATE OF MONTANA PO Box 200201 HELENA MT 59620-0201 STATE OF MONTANA PO Box 4210 HELENA MT 59604 State of Montana Department of Justice Robert Collins Supervising Attorney Natural Resource Damage Program P O Box 201425 Helena MT 59620 STATE OF MONTANA CONSUMER COUNSEL DEPT OF REVENUEMITCHELL BUILDING HELENA MT 59620 STATE OF MONTANA DEPT OF COMMERCE 111 N JACKSON HELENA MT 59620-0513 STATE OF MONTANA DEPT OF JUSTICE 303 N ROBERTS ST HELENA MT 59620-4543 State of Montana Dept of Transportation 2701 Prospect Helena MT 59620-1001 State of Montana DNRC 48 N Last Chance Gulch Helena MT 59620-1601 STATE OF MONTANA DNRC PO Box 201602 HELENA MT 59620 State of Montana Information Services Division Sam W Mitchell Building Room 22 Helena MT 59604 STATE OF MONTANA MOTOR VEHICLE DIV PO Box 4639 HELENA MT 59604-4639 STATE OF MONTANA NOTARY FEES PO Box 202801 HELENA MT 59620 STATE OF MONTANA PUBLIC SERVICE DEPT OF REVENUEMITCHELL BUILDING HELENA MT 59620 STATE OF MONTANA TITLE & 925 MAIN St DEER LODGE MT 59722 STATE OF MONTANA/A&E DIVISION 1520 E 6TH St HELENA MT 59620-0103 STATE OF MT DEPT OF TRANSPORTATION SCALES ROCKER MT 59701 STATE OF MT INSURANCE COMMISSIONER 840 HELENA Ave HELENA MT 59604 STATE OF NEBRASKA 521 S 14TH ST STE 300 LINCOLN NE 68508-2707 STATE OF NEW HAMPSHIRE 107 N MAIN ST CONCORD NH 03301-4989 STATE OF NEW JERSEY CBT PO BOX 666 TRENTON NJ 08646-0666 STATE OF NEW JERSEY NJ 927 PO Box 632 TRENTON NJ 08646-0632 State of Oregon Revenue Building 955 Center Street NE Salem OR 97301-2555 State of South Dakota 500 E CAPITOL AVE PIERRE SD 57501-5070 STATE OF SOUTH DAKOTA Commissioner Bureau of Administration 500 E CAPITOL Ave PIERRE SD 57501-5070 STATE OF SOUTH DAKOTA HUMAN SERVICES CENTER PO BOX 7600 YANKTON SD 57078-7600 STATE OF SOUTH DAKOTA OFFICE OF PURCHASING AND PRINTING PIERRE SD STATE OF UTAH DIVISION OF CORPORATIONS SALT LAKE CITY UT 84114-6705 STATE OF WYOMING Department of Revenue 122 West 25th Street Cheyenne WY 82002-0110 STATE OF WYOMING DEQ 122 W 25TH St 4W CHEYENNE WY 82002

STATE OF WYOMING SECRETARY OF STATE 200 W 24TH CHEYENNE WY 82002

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 130 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country STATE REPORTER PUBLISHING CO PO Box 749 HELENA MT 59624 STATE STEEL SUPPLY 1721 S NORTH ROAD GRAND ISLAND NE STATE STEEL SUPPLY CO PO Box 3224 SIOUX CITY IA 51102

State Street Bank & Trust Company 61208HAB0 Corporate Action Unit 1776 Heritage Dr No Quincy MA 02171

State Street Bank & Trust Company 668074AG2 Corporate Action Unit 1776 Heritage Dr No Quincy MA 02171 State Street Bank & Trust Company 668074AJ6 1776 Heritage DR Corporate Action Unit No Quincy MA 02171 STATE THEATRE AND VIDEO 108 S MAIN CHAMBELAIN SD 57325 STATE TROOPERS ASSOCIATOIN OF NE 237 S 70TH ST Ste 202 LINCOLN NE 68510 STATES PO Box 841400 DALLAS TX 75284-1400 STATZ DRUG & HOME HEALTH 1565 DAKOTA AVE S HURON SD 57350 STAUBACH AGENT FOR BNSF PO Box 847574 DALLAS TX 75284-7574 STAUBACH GLOBAL SERVICES INC 5650 N RIVERSIDE DR STE 101 FORT WORTH TX 76137 STAUDINGER GARY 3115 Nettie St BUTTE MT 597016529 STAYBRIDGE SUITES PLANTATION 410 N PINE ISLAND RD PLANTATION FL 33324 STEARNS GARY PO BOX 776 HARLEM MT 595260776 STECKELBERG & STECKELBERG 115 S RIVER ST CHAMBERLAIN SD 57325 STEELER DOOR & HARDWARE 1409 A AVE SIOUX FALLS SD 57104 STEELES WAREHOUSE 800 S WYOMING ST BUTTE MT 59701-2971 STEER IN TRAILER SALES 10771 HIGHWAY 287 THREE FORKS MT 59752 STEIN SIGN DISPLAY PO Box 1237 WATERTOWN SD 57201-6237 STENBERG CONSTRUCTION PO Box 1146 BIG TIMBER MT 59011 Stene Spray Systems PO Box 264 Kevin MT 59454 Stephanie Ackler 160 West 77th Street Apt 5A New York NY 10024-6968 Stephanie Ackler The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Stephen Kurtz PSP APTDO 1157 San Miguel De Allende GTO 37701 Mexico Stephen Kurtz PSP The Depository Trust Company 55 Water St 49th Fl New York NY 10041 STEPHEN P PAISLEY 135 Hart Bench Rd Darby MT 59829 Stephen R Heflin 1518 Westshire Lane Richmond VA 23238-3034 Stephen Sewell II Mr Courtney Claybourne Johnson Eiesland Law Firm PO Box 6900 Rapid City SD 57709 Stephen Wagner IRS FCC as Custodian 8 Cadman Plz W Apt 3N Brooklyn NY 11201-1365 Stephen Wagner IRS The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Stephens Inc c o ADP Sterling Title Services PO Box 73 Kalispell MT 59903 STERN OIL COMPANY INC 394 S MAIN FREEMAN SD 57029 STERN OIL COMPANY INC 394 S MAIN PO Box 218 FREEMAN SD 57029 STERNBERG VINTAGE LIGHTING 7401 OAK PARK Ave NILES IL 60714 Sterne Agee & Leach Inc c o ADP STEVE BECH 35 HILLCREST Dr KALISPELL MT 59901 STEVE RIVELAND PO Box 485 HARLOWTON MT 59036 STEVE SMITH RECORDING SERVICES 3627 EIGHTYFIRST Ave SE MERCER ISLAND WA 98040 STEVEN DOUGLAS ASSOCIATES 3040 UNIVESAL BLVD STE 190 WESTON FL 33331 Steven O Simon 609 Lakeview Rd Sioux Falls SD 57110 Steven O Simon The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Steven P Berberet MD 310 Wendell Ave Ste 7 Lewistown MT 59457 STEVENS ELECTRIC Michael John Stevens 1210 Saint Paul Rd GRAND ISLAND NE 68801-3804 STEVENSVILLE MEDICAL CLINIC 3800 EASTSIDE HWY STEVENSVILLE MT 59870-2224 STEVENSVILLE SCHOOL 300 PARK ST STEVENSVILLE MT 59870 STEVES APPLIANCE & REPAIR INC 356 N ELM GRAND ISLAND NE 68801 STEVES GARBAGE SERVICE 1026 34th Ave Brookings SD 57006-6525 STEWART CARPET CENTER 1803 Broadway YANKTON SD 57078 STEWART EXCAVATING 195 HAWKER LANE CORVALLIS MT 59828 STICKNEY BAG FUND ATTN: KARLA VANDE HOEK STICKNEY SD 57375 STICKNEY COMMUNITY CLUB PO Box 333 STICKNEY SD 57375-0186 STICKNEY LANES PO Box 175 STICKNEY SD 57375-0175 Stifel Nicolaus & Co Inc c o ADP STILLWATER COMMUNITY HOSPITAL PO Box 959 COLUMBUS MT 59019 STILLWATER COUNTY PO Box 715 COLUMBUS MT 59019 STILLWATER COUNTY NEWS PO Box 659 COLUMBUS MT 59019 STILLWATER COUNTY TREASURER PO Box 149 COLUMBUS MT 59019 STILLWATER EXCAVATING PO Box 865 COLUMBUS MT 59019-0865 STILLWATER MINING CO PO Box 1330 COLUMBUS MT 59019 Stillwater Mining Company 1800 E 1st Ave S Columbus MT 59019 Stillwater Mining Company 536 E Pike Columbus MT 59019 Stillwater Mining Company Attn Manager Strategic Planning PO Box 1330 Columbus MT 59019 STILLWATER MINING COMPANY PO Box 1330 COLUMBUS MT 59019 STILLWATER YOUTH CENTER PO Box 1148 COLUMBUS MT 59019-1148 STIMSON LUMBER PO Box 1120 BONNER MT 59823 STIMSON LUMBER COMPANY PO Box 1120 BONNER MT 59823-1120 STINGER BUSINESS SYS OF THE NORTHWEST MI25 PO BOX 1150 MINNEAPOLIS MN 55480-1150 STINSON MAG & FIZZELL PO Box 419251 KANSAS CITY MO 64141-6251 STM ASSOCIATES 320 S 400 E SALT LAKE CITY UT 84111 STOCKMANS LIVESTOCK MARTKET INC PO BOX 280 YANKTON SD 57078 STOCKTON OIL COMPANY 1607 4TH Ave N BILLINGS MT 59103 STOEL RIVES LLP 900 SEWE FIFTH Ave STE 2600 PORTLAND OR 97204-1268 STONE & WEBSTER CONSULTANTS PO Box 972422 DALLAS TX 75397-2422 STONE CREATIONS GARDEN AND DESIGN 2106 1/2 CENTRAL AVE Ste 100 KEARNEY NE 68848 STONE SCHOOL INN BED & BREAKFAST PO Box 24 VALIER MT 59486 STONES TRUCK STOP PO Box 181 WATERTOWN SD 57201 STORAGE BATTERY SYSTEMS INC NORTH 56 WEST 16665 RIDGEWOOD Dr MENOMONEE WI 53052

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 131 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country STORY DISTRIBUTING COMPANY PO Box 1201 BOZEMAN MT 59771-1201 STORY DISTRIBUTING COMPANY PO Box 815 GARDINER MT 59030 STRANDS SAW SHOP 1510 W HAVENS MITCHELL SD 57301 STRATEGIC FOCUS INC 7881 S Algonquian Way Aurora CO 80016-7040 STRATEGIC INSIGHTS INC 7312 BECKETT Dr NE CEDAR RAPIDS IA 52402 STRATEGIC MANAGEMENT GROUP INC PEOE BOX 77801764 PHILADELPHIA PA 19178 STRATEGIC SUPPLY INC PO Box 201902 HOUSTON TX 77216 STRATEGIC SUPPLY SAFETY MASTER 1111 SOUTH 27TH ST BILLINGS MT 59101 STRATEGIC SUPPLY SAFETY MASTER DXP Enterprises Inc PO Box 1697 Houston TX 77251-1697 STRATEGIC SUPPLY/SAFETY MASTER 1111 S 27TH ST BILLINGS MT 59101 STRATOS OFFSHORE SERVICE CO 1710 W WILLOW ST SCOTT LA 70583 STRATTON ELECTRONICS INC PO Box 4383 MISSOULA MT 59806 STRINGER BUSINESS SYSTEMS INC PO Box 115025 MINNEAPOLIS MN 55480-1150 STROBELS RENTALS INC 3001 10TH AVE S GREAT FALLS MT 59405-3490 STRONG & BRADLEY INC PO Box 1059 LIVINGSTON MT 59047 STRONGS CRANE SERVICE INC 5610 INTERSTATE Ave BILLINGS MT 59101 Strongs Crane Service Inc 5610 INTERSTATE AVE BILLINGS MT 59101-6318 STRUCK KATHRYN 1005 N BRECKENRIDGE CIRCLE SIOUX FALLS SD 57110 Structural Systems PO Box 2069 Missoula MT 59806 Structural Systems Inc PO Box 2069 Missoula MT 59806 STRUCTURED COMMUNICATIONS 4382 SE INTERNATIONAL WAY Ste C PORTLAND OR 97222 Structured Solutions Based Networking 4382 International Way Ste C Portland OR 97222 STS Gravel PO Box 1136 Livingston MT 59047 STU HENKEL REALTY 2108 Broadwater AVE BILLINGS MT 59102 STUART CONSULTING SERVICES 115 HIGHVIEW Dr BUTTE MT 59701 STUBKJAER MICHELLE 610 JAMES AVE TEA SD 57064 STUCKYS ELECTRIC REPAIR 483 S MAIN FREEMAN SD 57029 STUDENT BAG FUND 45254 230TH ST MADISON SD 57042 STUDENT BAG FUND C/O ASHLEY HILTON HURON SD 57350 STUHR MUSEUM FOUNDATION 3133 W HIGHWAY 34 GRAND ISLAND NE 68801 STURDEVANTS HIWAY 37 PARKSTON SD 57366 STURDEVANTS AUTO SUPPLY PO Box 454 BROOKINGS SD 57006 SUANNE L KNUTSON MENNO SD 57045 SUBSTATION SUPPLY COMPANY 3368 N 88TH PLAZA OMAHA NE 68134 SUCCESSORIES INC PO Box 691419 CINCINNATI OH 45269-1419 SUEMNICK ROGER 2777 Hamilton Ct Apt 1 Bozeman MT 59718-7707 SUHR TRANSPORT PO Box 1727 GREAT FALLS MT 59403 SULLIVAN & COGLIANO PO Box 30967 HARTFORD CT 06150-0967 SULLIVAN AND SONS ELECTRONICS 2601 17TH St NEEE BLACK EAGLE MT 59414 Sullivan Brothers Construction In 303 N Virginia St Conrad MT 59425 SULLIVAN CONSTRUCTION INC 303 N VIRGINIA ST CONRAD MT 59425 SULLIVAN EXCAVATION LLC PO Box 182 VALIER MT 59486 SULLIVAN TABARACCI & RHOADES PC 1821 S AVE W MISSOULA MT 59801-6157 SULLIVAN TABARACCI & RHOADES PC 1821 SOUTH AVE W MISSOULA MT 59801-6157 Sullway Construction 1695 Legion Ln Butte MT 59701 Sullway Construction Inc PO Box 4165 Butte MT 59701 SUMATRON INC 24601 STEFFY Dr LAGUNA NEQUEL CA 92677 SUMMER MUSICALE PO Box 6004 GREAT FALLS MT 59406 SUMMIT CONCRETE CONSTRUCTION INC 9 8TH AVE NE CONRAD MT 59425 SUMMIT ENGINERING GROUP SUITE 201 16 NORTHTOWN Dr JACKSON MS 39211 SUMMIT SEEKERS INC PO Box 487 LINCOLN MT 59639 Summit Valley Bottled Water PO Box 4007 Butte MT 59701 SUMMIT VAR AND JW HARDWARE BOX 952 307 MAPLE ST SUMMIT SD 57266 SUN DEVELOPMENT INC PO Box 1585 KEARNEY NE 68848-1585 SUN ENERGY PRODUCTS CORP PO Box 9926 FT LAUDERDALE FL 33310 SUN RENTAL CENTER 400 E FRONT ST BUTTE MT 59701-5208 SUN RIVER ELECTRIC COOPERATIVE PO Box 309 FAIRFIELD MT 59436-0309 Sunbird Aviation Inc PO Box 808 Belgrade MT 59714 SUNBURST HIGH SCHOOL PO Box 710 SUNBURST MT 59482-0710 SUNBURST USA INTERNATIONAL 1197 BEAR CREEK TRAIL VICTOR MT 59875 SUNDOWN SECURITY 1116 GRAND Ave BILLINGS MT 59101 SUNGARD CORBEL PO Box 47470 JACKSONVILLE FL 32247 SUNGARD CSS PO Box 98648 CHICAGO IL 60693 SUNGARD MAILING SERVICES 350 AUTOMATION WAY IRONDALE AZ 35210 SunGard Shareholder Systems 500 Northridge Rd Ste 400 Atlanta GA 30350 SUNLITE TREE SERVICE 195 WHITEBIRD CREEK RD COLUMBUS MT 59019 SUNRISE ROTARY 4008 KAY AVE GRAND ISLAND NE 68803-1505 SUNSET AUTO REPAIR 22 SUNSET Dr KALISPELL MT 59901 SUNSET GRAPHICS 354 N DAKOTA ST MILBANK SD 57252 SUNSET SHUTTLE INC PO Box 777 SIOUX FALLS SD 57101 SUNSHINE CATERING 600 W 41ST ST SIOUX FALLS SD 57103 SUNSHINE CHECK ADVANCE & TITLE LOAN 2105 N MAIN HELENA MT 59604 SUNSHINE FOODS 1300 W ELKHORN ST SIOUX FALLS SD 57104-0253 SUPER 8 MOTEL 2189 DAKOTA AVE S HURON SD 57350 Super City Laudromat 2201 SE Sixth St Aberdeen SD 57401 Super City Laudromat 418 S Arch St Aberdeen SD 57401 Super City Laudromat Ray Kurt Inc Attn Kurt Kruger 2201 SE Sixth St Aberdeen SD 57401 Super City Mall Shopping Cente 2201 SE 6th Ave Aberdeen SD 57401 Super City Mall Shopping Cente Attn Beth Issacson Property Manage 3315 SE 6th Ave STE 69 Aberdeen SD 57401 Super Steam Inc PO Box 3002 Billings MT 59103 SUPERALES LINDA 194 DOBBS DR SOMERDALE NJ 08083-2922 SUPERINTENDENT OF MUNICIPAL UTILITIES CITY OF WATERTOWN WATERTOWN SD 57201

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 132 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country SUPERIOR AUTO BODY PO Box 318 SUPERIOR MT 59872 SUPERIOR AUTOMOTIVE REPAIR 206 E MAIN ST LEWISTOWN MT 59457-1713 SUPERIOR BUSINESS EQUIPMENT PO Box 1252 GREAT FALLS MT 59403 Superior Enterprises LLC Phillips & Bohyer PC John E Bohyer Fred Simpson Jr PO Box 8569 Missoula MT 59807-8569 SUPERIOR FIRE APPARATUS 1400 JOSLYN ST HELENA MT 59601 SUPERIOR HIGH SCHOOL PO Box 400 SUPERIOR MT 59872-0400 SUPERIOR SEPTIC SERVICE PO Box 854 SUPERIOR MT 59872 SUPERIOR SPECIAL SERVICES INC 1275 MINERAL SPRINGS Dr PORT WASHINGTON WI 53074 SUPERIOR TOWING 106 FIRST AVE ROUNDUP MT 59072 SUPERSTAR SATELLITE ENTERTAINMENT PO Box 740563 CINCINNATI OH 45274-0563 SUPPORTEK UTAH INC 2500 S DECKER LAKE BLVD Ste WEST VALLEY CITY UT 84119 SURE FOOT CORP PO Box 12049 GRAND FORKS ND 58208-2049 SURFACE SYSTEMS INC 135 S LASALLE ST DEPT 1543 CHICAGO IL 60674-1543 Susan Canaday 97 HAMPTON ST SAG HARBOR NY 11963 Susan Canaday 97 HOWEVILLE RD FITZWILLIAM NH 03447-3459 Susan Canaday PO BOX 1961 SAG HARBOR NY 11963-0067 Susan Canaday The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Susan Canaday Susan Canaday 97 HAMPTON ST SAG HARBOR NY 11963 Susan Canaday Susan Canaday PO BOX 1961 SAG HARBOR NY 11963-0067 Susan Franklin 241 Central Park West 14E New York NY 10024-4531 Susan Franklin The Depository Trust Company 55 Water St 49th Fl New York NY 10041 SUSAN H AVERY MD PC 401 15TH AVE S NO 110 GREAT FALLS MT 59405 SUSAN MAX 84 QUARTZ Rd SUPERIOR MT 59872 SUSAN MCCORD 3118 ALBERT St REGINA SK S4S 3N8 Canada SUSAN STANTON 704 N CODY AVE HARDIN MT 59034 Suttons Sportswear Kip Harchark PO Box 80010 Billings MT 59108 Suttons Sportswear PO Box 80010 Billings MT 59108 SV HEALTHCARE PRIMARYCARE PO Box 30297 BILLINGS MT 59107-0297 SVC Commercial Co Inc c o The Depository Trust Company 55 Water St 49th Fl New York NY 10041 SVC Commercial Co Inc The Depository Trust Company 55 Water St 49th Fl New York NY 10041 SW MONT BLDG INDUSTRY ASSN PO Box 1768 BOZEMAN MT 59771-1768 SWANSON ELECTRIC 710 SW 6TH AVE ABERDEEN SD 57401 Swanson Mobile Homes Inc 4400 Rodeo Rd North Platte NE 69101 SWEET ADELINES PO Box 734 YANKTON SD 57078 SWEET GRASS COUNTY 113 W THIRD BIG TIMBER MT 59011 SWEET GRASS COUNTY PO Box 1256 BIG TIMBER MT 59011 SWEET GRASS COUNTY HIGH SCHOOL PO Box 886 BIG TIMBER MT 59011-0880 SWEET GRASS COUNTY RIVERS ACROSS PO Box 393 BIG TIMBER MT 59011-0393 SWEET GRASS COUNTY ROAD DEPT PO Box 888 BIG TIMBER MT 59011 SWEET GRASS COUNTY TREASURER PO Box 888 BIG TIMBER MT 59011 SWEET PEA SEWER & SEPTIC MSO INC PO Box 17468 MISSOULA MT 59808 SWEETGRASS MUSIC 6114 LA SALLE AVE No4 OAKLAND CA 94611 SWENSON ROBERT 2901 E 13TH St SIOUX FALLS SD 57103 SWIFTAIR 2717 W 6TH SIOUX FALLS SD 57104 SWIFTEL COMMUNICATIONS PO Box 588 BROOKINGS SD 57006 SWISHER & COHRT PLC 528 W 4TH ST WATERLOO IA 50704 Sylda Pfile PK Service 200 14th Ave S Great Falls MT 59405 SYMTRAX 5777 W CENTURY BLVD STE 1745 LOS ANGELES CA 90045 SYNCOM 1000 SYNCOM DR MITCHELL SD 57301 SYSCO FOOD SERVICE 1509 MONAD Rd BILLINGS MT 59101 SYSTECH ENVIRONMENTAL CORPORATION 3085 WOODMAN Dr Ste 300 DAYTON OH 45420-1159 SYSTEMS UNLIMITED INC 3920 S WILLOW AVE SIOUX FALLS SD 57105-6234 T & C CATTLE FEEDERS 2100 HWY 10 W PARK CITY MT 59063 T & C FENCING INC 48890 MT HWY 200 OVANDO MT 59854 T & E BOOSTER CLUB PO Box 1387 HURON SD 57350 T & M Cable Terry Thomas Box 8 Redfield SD 57469 T & R ELECTRIC PO Box 180 COLMAN SD 57017 T & R SERVICE PO Box 197 COLMAN SD 57017 T & R TRUCKING INC 124 SAWNEY DR GLASGOW MT 59230 T & T CUSTODIAL SERVICE 47908 OAKRIDGE PLACE HARRISBURG SD 57032 T K ELECTRIC 419 E JUNIPER AVE MITCHELL SD 57301 T&A SERVICE & SUPPLY INC 3412 S MINNESOTA AVE SIOUX FALLS SD 57105 TAMARACK AIR SERVICES LLC 2967 MCINTYRE Rd STEVENSVILLE MT 59870 Tamarack Air Services LLC 548 HOHENSTEIN LN STEVENSVILLE MT 59870-6996 TAMARACK CUSTOM STRIPING 5118 SILVERWOOD COURT GREAT FALLS MT 59405 Tammy L Lewis PO Box 422 Livingston MT 59047 TANA L CROMWELL PT 301 SADDLE Dr Ste D HELENA MT 59601 TAPECOAT COMPANY PO Box 631 EVANSTON IL 60204-0631 TARA & TJ OVERCAST PO Box 971 CHINOOK MT 59523 TARGET STORE 4800 3RD AVE KEARNEY NE Target Stores 3316 SE 6th Ave Aberdeen SD 57401 Target Stores Attn Manager 3316 SE 6th Ave Aberdeen SD 57401 Target Stores Box 1392 Minneapolis MN 55440-1392 TARMANN CONSULTING 223 BIRCHWOOD Dr BILLINGS MT 59102 TAXSEARCH INCORPORATED 7050 S YALE Ave Ste 310 TULSA OK 74136-9755 Taylor Laundry 815 NW 2nd Ave PO Box 527 Aberdeen SD 57401 Taylor Laundry 815 NW 2nd Ave Aberdeen SD 57401

Taylor Laundry Attn Warren Grew Owner and Dan Grew Manager 815 NW 2nd Ave Aberdeen SD 57401 Taylor Laundry PO Box 527 Aberdeen SD 57402-0527 TAYLOR LAUNDRY & DRY CLEANERS 815 2ND AVE NW ABERDEEN SD 57401 TAYLOR LAWRENCE 3836 S 6TH ST W MISSOULA MT 598011928

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 133 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country TAYLOR MADE 377 US Highway 213 N CUT BANK MT 59427-9001 TAYLOR RICHARD 731 1 2 West Broadway BUTTE MT 597015435 TAYLORS ACE HARDWARE & DRUG CHERRY ST MALL COLSTRIP MT 59323-0129 TC FIELD & COMPANY 180 E FIFTH ST ST PAUL MN 55101 TC POWER LLC 2 OLD WINDSOR Rd BLOOMFIELD CT 06002 TCB CONSULTING INC 364 GREENWAY COURT BOZEMAN MT 59718 TCF Aerovent Company 515 Commerce St Aberdeen SD 57401 TCF Aerovent Company 5959 Trenton Ln Minneapolis MN 55442-3238 TCF Aerovent Company Attn wayne Wienk 515 Commerce St Aberdeen SD 57401 TCF LEASING INC PO Box 4130 HOPKINS MN 55343-4130 TCI CABLEVISION OF MONTANA INC PO Box 6410 GREAT FALLS MT 59406 TDG COMMUNICATIONS INC 140 SHERMAN ST DEADWOOD SD 57732 TDI MANAGED CARE SERVICES INC PO Box 371727 PITTSBURGH PA 15251-7727 TDI Managed Care Services Inc dba Eckerd Health Services Attn Vice President PBM Operations 620 Epsilon Dr Pittsburgh PA 15238

Team D & S Inc dba Car Wash Guys of Bozeman 4555 Shandalyn Ln Bozeman MT 59718 TEAMSTERS UNION LOCAL #2 PO Box 3745 BUTTE MT 59702 Teamsters Union Local #2 Ron Ygnatowiz PO Box 3745 Butte MT 59702 TEAR IT UP LLC PO Box 1116 MISSOULA MT 59806-1116 TEBAY CONTRACTING SERVICES 38 TEBAY LANE WHITEHALL MT 59759 Tech Electric Inc PO Box 1372 Livingston MT 59407-1372 TECHNI TOOL 1547 N TROOPER RD WORCHESTER PA 19490-1117 TECHNICAL CONTROLS INC PO Box 4857 PORTLAND OR 97208-4857 TECHNICAL INDUSTRIAL SALES 1670 LAKE Dr W CHANHASSEN MN 55386 Technology Unlimited Jeff Parmenter 1179 Andover Park W Seattle WA 98188 TECHNOLOGY UNLIMITED INC 1179 ANDOVER PARK W SEATTLE WA 98188 TED PINSONNEAULT 100 Woodland Estates Rd Great Falls MT 59404-6405 TEDS WESTERN LLC 20 WILLOW DR LIVINGSTON MT 59047-4108 TEESDALE OIL COMPANY PO Box 1268 BRIDGER MT 59014 TEGETHOFF CONSTRUCTION INC 1501 W 3RD MITCHELL SD 57301 TEKSYSTEMS PO Box 198568 ATLANTA GA 30384-8568 TEKTON ARCHITECTS PLLC PO Box 582 BUTTE MT 59703 TEL SERV DIVISION OF NORCOM ADVANCED TECHNOLOGIES INC ATTN DON C OBERLANDER 33 THIRD St SE HURON SD 57350 TELEDYNAMICS PO Box 970305 DALLAS TX 75397 TELEGRAPH PO Box 370 NORTH PLATTE NE 69103 TELEGYR SYSTEMS INC PO Box 70729 CHICAGO IL 60673-0729 TELEMARKET RESOURCES INTL 250 S 77TH ST OMAHA NE 68114 TELEMATE SOFTWARE DEPARTMENT AT49934 ATLANTA GA 31192-9934 TELEMETRIC 9941 W EMERALS ST BOISE ID 83704 TeleNational Communications Inc Harrison Flora VP Cable Operations PO Box 12705 Pensacola FL 32501 TELEPHONE SYSTEMS OF NEBRASKA PO Box 2151 GRAND ISLAND NE 68802 TELETECH VIDEO CORP 540 N LAKE SHORE DR CHICAGO IL 60611 TELKAMP HOUSEMOVING 21680 471ST AVE BROOKINGS SD 57006-9630 TELTONE CORPORATION PO Box 945 BOTHELL WA 98041-0945 TEMP RIGHT SERVICES INC 101 N CATLIN ST MISSOULA MT 59802-1515 TEMPERATURE TECHNOLOGY INC PO Box 9063 RAPID CITY SD 57709 TENANT: LAWRENCE CELLMER 7143 SHOREY Rd BILLINGS MT 59106 TENANT: STEVE OTT PO Box 26 REEDPOINT MT 59069 TENASKA GAS STORAGE 11718 NICHOLAS St OMAHA NE 68154 Tenaska Gas Storage LLC 11718 Nicholas St Omaha NE 68154 TENASKA MARKETING VENTURES 3050 300 5 TH AVE SE CALGARY AB T2P 3C4 Canada TENASKA MARKETING VENTURES 11235 DAVENPORT St OMAHA NE 68541 TENASKA MARKETING VENTURES 11718 NICHOLAS St OMAHA NE 68154 TENASKA MARKETING VENTURES 11718 NICHOLAS St OMAHA NE 68541 TENDER HEART HOSPICE PO Box 2130 EVANSTON WY 82930 Tenenbaum & Kreye LLP A Thomas Tenenbaum Tower One Ste 2025 6400 S Fiddlers Green Circle Englewood CO 80111 TENNESSEE DEPARTMENT OF REVENUE 500 DEADERICK ST NASHVILLE TN 37242 TENNESSEE SECRETARY OF STATE 312 EIGHT AVE N 6TH Fl NASHVILLE TN 37243 TENSION ENVELOPE CORPORATION PO Box 86 MINNEAPOLIS MN 55486-0569 Teresa Kerrigan 439 E 88TH ST APT 2F NEW YORK NY 10128 TERMINAL GRAIN PO BOX 429 PARKER SD 57053-0429 TERMS OF ENDEARMNT PARTY 208 N MONTANA No104 HELENA MT 59601 TERRA VERDE VOLUNTEER FIRE DEPT 330 TERRA VERDE Dr BUTTE MT 59701 TERRACE WEST BUILDING 619 SW HIGGINS Ste R MISSOULA MT 59803 TERRACON 2110 OVERLAND AVE Ste 124 BILLINGS MT 59102 Terracon Consultants Western Inc 2110 Overland Ave Ste 124 Billings MT 59102 Terracon Inc 2110 Overland Ave Ste 124 Billings MT 59102 TERRAFIRMA 1250 15TH ST W No101 BILLINGS MT 59102 TERRAMOTUSCOM CORP PO Box 610 HACKETTSTOWN NJ 07840 Terrence Goodall dba Vunderplow Snowplowing 3135 Paxson Butte MT 59701 TERRY ALEXANDER 6166 HIGHWAY 12 W HELENA MT 59601 TERRY J DICKINSON PO Box 609 ENNIS MT 59729-0609 TERRY RICHARDSON 1540 S LLOYD ST ABERDEEN SD 57401 TERRYS PROPANE LTD PO BOX 338 MITCHELL SD 57301 TESCH PLUMBING & HEATING PO Box 470 CHOTEAU MT 59422-0470 TESSCO 34 LOVETON CIR SPARKS MD 21152-5100 TESSCO INC 11126 MCCORMICK RD HUNT VALLEY MD 21031-1494 TESSIERS INC PO Box 188 MITCHELL SD 57301 TEST EXPRESS 129 PATRICIA WAY HAMILTON MT 59840-9300 TETON COUNTY TREASURER COURTHOUSE CHOTEAU MT 59422

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 134 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country TETON COUNTY CLERK & RECORDER PO Box 610 CHOTEAU MT 59422-0610 TETON COUNTY TREASURER COURTHOUSE CHOTEAU MT 59422 TETON STEEL COMPANY 1601 LEWIS Ave Ste 202 BILLINGS MT 59102 Tetra Financial Group c o Michael W Spence Esq Ray Quinney & Nebeker PO Box 45385 Salt Lake City UT 84145-0385 Tetra Financial Group LLC 6925 Union Park Center Ste 525 Midvale UT 84047 TEXAS A&M UNIVERSITY FOUNDATION 401 GEORGE BUSH Dr COLLEGE STATION TX 77840-2811 TEXAS BARCODE SYSTEMS 6504 INTERNATION PARKWAY Ste 1500 PLANO TX 75093 TEXAS STATE COMPTROLLER 111 EE 17TH St AUSTIN TX 78774-0100 TEXAS WORKFORCE COMMISSION PO Box 149037 AUSTIN TX 78714-9037 TFS ENERGY LLC 17 STATE St 41ST Fl NEW YORK NY 10004 TGF PARTS STOP PO Box 1386 FORT BENTON MT 59442-1386 THAD LANGFORD 1700 E KOCH STE No1 BOZEMAN MT 59715 THE ALEXANDRIA HERALD PO Box 450 ALEXANDRIA SD 57311 THE AMERICAN CLUB PO Box 966 MILWAUKEE WI 53278-0966 THE AMPI PIPELINE INC ATTN DIVISION MANAGER FREEMAN SD THE ANACONDA LEADER 121 MAIN St ANACONDA MT 59711 THE ARMOUR CHRONICLE PO Box 129 ARMOUR SD 57313 THE ART CHATEAU 321 W Broadway BUTTE MT 59701 THE AVON CLARION PO Box 345 AVON SD 57315 THE BACK FORTY 26757 COUNTRY ACRE DR SIOUX FALLS SD 57106 THE BANK OF NEW YORK 101 BARCLAY ST 12W NEW YORK NY 10286 THE BANK OF NEW YORK 101 BARCLAY St 7 E NEW YORK NY 10286 THE BANK OF NEW YORK 101 BARCLAY St Fl 8W NEW YORK NY 10286 THE BANK OF NEW YORK 5 PENN PLAZA 16TH Fl NEW YORK NY 10286-1091 The Bank of New York Attn: Marybeth AE Lewick Indenture Trustee of 8E45% due 2036 101 Barclay St New York NY 10286 The Bank of New York Barbara AE Bevelaqua VP CoTrustee of MT Mortgage Bonds 101 Barclay St New York NY 10286 THE BANK OF NEW YORK PO Box 19445 NEWARK NJ 07195-0445 THE BANK OF NEW YORK The Bank of New York Attn Irene Siegel Vice Presiden 101 Barclay St 8w NEW YORK NY 10286 The Bank of New York Corporate Trust Default THE BANK OF NEW YORK Administration Attn Irene Siegel Vice President 101 Barclay St 8w NEW YORK NY 10286 THE BANK OF NEW YORK Bryan Cave LLP Attn Walter H Curchack Esq 1290 Avenue of the Americas New York NY 10104-3300 The Bank of New York No 901 668074AJ6 Attn Richard Figueroa 1 Wall St New York NY 10286 The Bank of New York 612083204 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 61208HAA2 Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 61208HAC8 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 629470204 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 668031206 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 668033202 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of New York 668034200 Attn Steve Tavoulareas 1 Wall Street New York NY 10288 The Bank of New York 66808HAB0 Attn Steve Tavoulareas 1 Wall St New York NY 10286 The Bank of NEW YORK Delaware Attn Bryan Cave LLP 1290 Avenue of the Americas New York NY 10104-3300 The Bank of New York Corporate Trust Default The Bank of NEW YORK Delaware THE BANK OF NEW YORK Administration Attn Irene Siegel Vice President 101 Barclay St 8w NEW YORK NY 10286 The Bank of New York No 901 668074AB3 Attn Steve Tavoulareas 1 Wall St 6th Floor Reorg Dept New York NY 10286 THE BARN RESTAURANT 2715 DAKOTA AVE S HURON SD 57350 THE BEER GARDEN 206 S RAILWAY MENNO SD 57045 THE BERRY COMPANY PO Box 710298 CINCINNATI OH 45271-0298 THE BILLINGS TIMES 2919 MONTANA AVE BILLINGS MT 59101-2197 THE BLOSSOM SHOPPE & GIFTS 609 MAIN ST WEBSTER SD 57274 THE BOSTON FERN 423 S MAIN ST ABERDEEN SD 57401 THE BOULDER MONITOR PO Box 66 BOULDER MT 59632-0066 THE BRIDGER BLACKSMITH 955 STORY MILL RD BOZEMAN MT 59715 THE BROADMOOR PO Box 1439 COLORADO SPRINGS CO 80901 The Broadway Garage Inc 116 E Broadway Butte MT 59701 The Broadway Garage Inc 116 E Broadway Butte MT 59701 The Broadway Garage Inc 226 E Broadway Butte MT 59701 THE BROOKINGS REGISTER PO Box 177 BROOKINGS SD 57006 THE BROWN PALACE HOTEL DENVER 321 SEVENTEENTH St DENVER CO 80202 THE BUREAU OF NATIONAL AFFAIRS PO Box 64543 BALTIMORE MD 21264-4543 THE BURKE GROUP 27407 PACIFIC COAST HIGHWAY MALIBU CA 90265 THE BUTTE WEEKLY 32 S MAIN BUTTE MT 59701 THE BUTTE WEEKLY 32 SOUTH MAIN BUTTE MT 59701 THE CAREER CONTROL GROUP INC 17304 PRESTON Rd Ste 280 DALLAS TX 75252 THE CELLAR BAR & GRILL 3901 N 2ND AVE KEARNEY NE 68848 THE CHEN PALACE 600 N MAIN MITCHELL SD 57301 THE CHIEF EXECUTIVE LEADERSHIP INST EIGHT PIEDMONT CENTER Ste 100 ATLANTA GA 30305 THE CHRISTENSEN LIMITED PARTNERSHP PO Box 8288 KETCHUM ID 83340 THE CITY OF BOZEMAN COMMERCIAL SECTION BOZEMAN MT 59771-1230 THE CITY OF BOZEMAN COMMERCIAL SECTION PO Box 1230 BOZEMAN MT 59771-1230 THE CITY OF BOZEMAN PO Box 1230 BOZEMAN MT 59771-1230 THE CITY OF HAVRE PO Box 231 HAVRE MT 59501-0231 THE CITY OF LIVINGSTON 414 E CALLENDER LIVINGSTON MT 59047 The City of Missoula 435 Ryman Missoula MT 59802 THE CITY OF REDFIELD SPINK COUNTY REDFIELD SD THE CLARK FORK WAGON WHEEL PO Box 330 FRECHTOWN MT 59834 THE CLASSIC IMAGE 9 DIVISION ST FT PLAIN NY 13339 THE COMPUTER TRAINING CENTER 3222 U S HIGHWAY 12 E HELENA MT 59601 THE COWBOY GRIND COFFEE CO LLP 482 CREEK HOLLOW WAY FLORENCE MT 59833 THE CRAFTMANS CORNER 223 E PARK ST BUTTE MT 59701 THE CROSSROADS PO Box 833 HURON SD 57350 THE CUTTING EDGE 510 4TH St W BILLINGS MT 59101-2826 THE DAILY INTER LAKE PO Box 7610 KALISPELL MT 59904-7610

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 135 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country THE DAILY INTERLAKE PO Box 7610 KALISPELL MT 59901-7610 THE DAY GROUP 2 SOUND VIEW DR STE 100 GREENWICH CT 06830 THE DE SMET NEWS PO Box 69 DE SMET SD 57231 THE DENT MAN 3420 BYRON RD HELENA MT 59602 The Depository Trust Company 55 Water St 49th Fl New York NY 10041 THE DEPOSITOTY TRUST COMPANY John E Savage 11 Skillman Lane North Oaks MN 53727 THE DEPT OF PUBLIC HEALTH & HUMAN S PO Box 202956 HELENA MT 59620-2956 THE DIRECTORSHIP GROUP INC 8 SOUND SHORE DR GREENWICH CT 06830 THE DONUT SHOPPE 474 DAKOTA AVE S HURON SD 57350-2514 THE ELECTRIC CO OF S DAK INC 4304 NW 8TH AVE ABERDEEN SD 57402-1741 THE ELECTRIC CO OF S DAK INC 4304 NW 8TH AVE PO Box 1741 ABERDEEN SD 57402-1741 The Electric Co of South Dakota Inc 38392 132nd St PO Box 1741 Aberdeen SD 57401 THE ELECTRIC COMPANY PO Box 1741 ABERDEEN SD 57402-1741 THE ELECTRIC SHOP INC PO Box 645 CLEAR LAKE SD 57226 THE EMERSON CENTER FOR THE ARTS & 111 S GRAND Ave BOZEMAN MT 59715 THE EXCHANGE CLUB OF BOZEMAN PO Box 432 BOZEMAN MT 59771-0432 The Exchange LTD 104 S Main St Aberdeen SD 57401 The Exchange LTD dba Ward Hote Attn Sue Tonner 104 S Main St Aberdeen SD 57401 THE EXECUTIVE TECHNIQUE PO Box 75829 CHICAGO IL 60675-5829 THE FAGENSTROM COMPANY PO Box 2623 GREAT FALLS MT 59403 THE FAMILY TREE CENTER 1001 N 30TH St BILLINGS MT 59101 THE FASTENAL COMPANY PO Box 978 WINONA MN 55987-0978 THE GALLATIN GROUP 2107 ELLIOTT AVE Ste 310 SEATTLE WA 98121-2160 THE GIFT BASKET CO 4901 E BRENNAN DR SIOUX FALLS SD 57110 The Global Consulting Group 22 CORTLAND St 14TH FL NEW YORK NY 10007 THE GLOBAL CONSULTING GROUP 395 HUDSON St 5TH Fl NEW YORK NY 10014 THE GOOD FOOD STORE INC 1610 S 3RD W Ste 105 MISSOULA MT 59801 THE GRASS CHOPPER PO Box 6172 BOZEMAN MT 59771 THE GREAT PLAINS ZOO 805 S KIWANIS AVE SIOUX FALLS SD 57104-3714 THE HEALTH ADVANTAGE COMPANY 5600 W MAPLE RD Ste A140 WEST BLOOMFIELD MI 48322 THE HEARING CLINIC INC 702 N ALPHA ST GRAND ISLAND NE 68803-4318 THE HIGHFIELD MANUFACTURING CO 380 MOUNTAIN GROVE St BRIDGEPORT CT 06605 THE HIGHFIELD MANUFACTURING CO 380 MOUNTAIN GROVE St PO Box 549 BRIDGEPORT CT 06605 THE HIGHMORE HERALD PO Box 435 HIGHMORE SD 57345 THE HOTEL PAWNEE 221 E FIFTH ST NORTH PLATTE NE 69101 THE HOUSE THAT JACK BUILT INC PO Box 67 WOONSOCKET SD 57385-0067 THE IDAHO STATESMAN PO Box 68 BOISE ID 83707 THE IMAGESMITHS INC 1 LARIAT LOOP BOZEMAN MT 59715 THE INDUSTRIAL COMPANY WY INC PO Box 3800 CASPER WY 82602 THE INLAND NORTHWEST PARTNERS PO Box 164 LIBERTY LAKE WA 99019 THE INVERNESS HOTEL & GOLF 200 INVERNESS DR W ENGLEWOOD CO 80112-5200 THE ISLAND SUPPLY WELDING CO PO Box 580 GRAND ISLAND NE 68802 THE JOB NETWORK PO Box 267934 CHICAGO IL 60626 THE JOHN PLANT COMPANY 112 GREENHILL Rd RAMSEUR NC 27316 THE JOURNAL NEWS OPINION PO Box 279 CHINOOK MT 59523 THE KANSAS CITY STAR 1729 GRAND BLVD KANSAS CITY MO 64108-1458 THE LAWN BUILDERS 1117 E 27TH KEARNEY NE 68848-1745 THE LAWN RANGER 504 BERNARD BILLINGS MT 59104 THE LAWN RANGER 504 BERNARD PO Box 22434 BILLINGS MT 59104 THE LIGHT SOURCE 1400 JACKSON ST SIOUX CITY IA 51105 THE LITTLE WELDING STORE 906 DIVISION STE SIOUX CITY IA 51102 THE LOCK SHOP 2010 GRAND AVE BILLINGS MT 59102-2615 THE LODGE 1801 9TH St S GREAT FALLS MT 59405 THE MADISONIAN PO Box 365 ENNIS MT 59729 THE MARION RECORD PO Box 298 MARION SD 57043-0298 THE MEAGHER COUNTY NEWS PO Box 349 WHITE SULPHUR SPRINGS MT 59645-0349 THE MILES CITY STAR PO Box 1218 MILES CITY MT 59301 THE MINT BAR PO Box 549 WHITE SULPHUR SPRINGS MT 59645-0549 THE MISSOULIAN 500 S HIGGINS AVE MISSOULA MT 59807-8029 THE MONTANA CAMPUS COMPACT 302 UNIVERSITY HALL MISSOULA MT 59812-3960 THE MONTANA CLUB PO Box 637 HELENA MT 59624-0637 THE MONTANA POWER COMPANY BUTTE DIVISION BUTTE MT 59702 THE MONTANA POWER COMPANY PO Box 759 CHOTEAU MT 59422-0759 THE MONTANA STANDARD 25 W GRANITE BUTTE MT 59703 THE MONTANA STANDARD 25 WEST GRANITE PO Box 627 BUTTE MT 59703 The Montana Standard Nonie Swan 25 W Granite Butte MT 59701 THE MONTANAS ACTORS THEATRE PO Box 1363 HAVRE MT 59501-1353 THE MUSEUM OF WOMENS HISTORY 2824 3RD AVE N BILLINGS MT 59101 The National Center for Appropriate Technology 3040 Continental Dr Butte MT 59701 THE NATIONAL LAUNDRY COMPANY PO Box 2826 GREAT FALLS MT 59403-2826 THE NEIGHBORHOOD OFFICE 3116 E Lyndale Ave Helena MT 59601-6445 THE NEW ERA PO Box 579 PARKER SD 57053-0577 THE NEW PLAINS 960 4TH ST NE HURON SD 57350 THE NORTHERN HOTEL 19 N Broadway BILLINGS MT 59101 The Northern Trust Company 50 S LASALLE ST CHICAGO IL 60675 THE OAKS HOTEL 3300 W RUSSELL ST SIOUX FALLS SD 57107 THE OFFICE CENTER 313 CENTRAL AVE GREAT FALLS MT 59401 THE OIL WELL 1450 DAKOTA N HURON SD 57350 THE OKONITE COMPANY 10540 MARTY Ste 230 OVERLAND PARK KS 66212 THE ORGANIZED EXECUTIVE 1101 KING St Ste 110 ALEXANDRIA VA 22314 THE PAPER WORKS 786 E OVERLAND ROSELLE IL 60172 The Parsec Group 405 Urban St Ste 212 Lakewood CO 80228

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 136 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country THE PAUL CLARK HOME MCDONALDS FAMILY PLACE BUTTE MT 59701-1534 THE PAYDAY/PRINT SHOP 61 3RD ST SE HURON SD 57350 THE PIONEER PO Box 339 KEARNEY NE 68848-0339 THE PIZZA RANCH 10 N 6TH AVE SE ABERDEEN SD 57401 THE PLANT LADY PO Box 3131 BOZEMAN MT 59772 THE PLATTE ENTERPRISE 511 MAIN ST PLATTE SD 57369 THE PORT AUTHORITY OF NY & NJ PO Box 17505 NEWARK NJ 07194 The Power in com LLC c o Scott Magie CEO 4905 S Tarragon Cir Sioux Falls SD 57108-2849 THE PRAISE NETWORK HERB ROSZHART BOX 8 AURORA NE 68818 THE PRINCIPAL MUTUAL LIFE INSURANCE COMPANY 3025 W COLLEGE GRAND ISLAND NE THE PRINTERY PO Box 988 PLAINS MT 59859 THE REDFIELD PRESS 16 E 7TH AVE REDFIELD SD 57469 THE REMINDER PLUS PO Box 878 PIERRE SD 57501 THE RHINOCEROS 158 RYMAN AVE MISSOULA MT 59802 THE RITZ CARLTON GOLF RESORT 2600 TIBURON Dr NAPLES FL 34109 THE ROAD GUY CONST CO INC 3886 400TH ST ORANGE CITY IA 51041 THE ROOT GROUP INC 1790 30TH St Ste 140 BOULDER CO 80301 THE ROUNDUP RECORD TRIBUNE PO Box 350 ROUNDUP MT 59072 THE SAINT PAUL HOTEL 350 MARKET St ST PAUL MN 55102 THE SALVATION ARMY PO Box 418 HAVRE MT 59501 THE SALVATION ARMY PO Box 985 MITCHELL SD 57301 THE SEATTLE TIMES PO Box 84688 SEATTLE WA 98124-5988 THE SEWING SHOP 39215 198TH ST HITCHCOCK SD 57348 THE SEXAUER COMPANY 107 CHASE NE DESMET SD THE SILVER STATE POST PO Box 111 DEER LODGE MT 59722 THE SOLUTIONS GROUP 309 CANARY LANE BOZEMAN MT 59715 The Southern Development and Investment Group Inc 333 Piedmont Ave Bin 10190 Atlanta GA 30308-3374 THE STANDARDS 224 ASPEN LOOP BUTTE MT 59701 THE STILLWATER MINING COMPANY 536 E PIKE COLUMBUS MT 59019 THE SUMMER HOUSE 229 S PHILLIPS AVE SIOUX FALLS SD 57104 THE TAPECOAT COMPANY 135 S LA SALLE ST CHICAGO IL 60674-2792 THE TARP & CANVAS SHOP PO Box 2106 LEWISTOWN MT 59457 THE TIMES CLARION PO Box 307 HARLOWTON MT 59036 The Town of Sunburst PO Box 245 Sunburst MT 59482 THE TOWNSEND STAR 314 Broadway TOWNSEND MT 59644-1011 THE TRANE COMPANY PO Box 2387 OMAHA NE 68103-2387 THE TRIPP STAR LEDGER Box D TRIPP SD 57376 THE TUTSKEY GROUP INC 223 E MAIN St MISSOULA MT 59802 THE UPPER THREAD 520 W 3RD ANACONDA MT 59711 THE VALLEY SHOPPER PO Box 311 MILBANK SD 57252 THE WAGNER POST 209 S MAIN WAGNER SD 57380-0187 THE WAGNER POST 209 S MAIN PO Box 187 WAGNER SD 57380-0187 THE WALL STREET JOURNAL 200 BURNETT RD CHICOPEE MA 01020 THE WALL STREET JOURNAL 200 BURNETT RD CHICOPEE MA 01021-9984 The Washington Water Power Company Randall O Cloward Director Transmission Operation 1411 E Mission Ave Spokane WA 99202 THE WELDING SHOP 107 BEDFORD ST HAMILTON MT 59840 THE WESTERN SUGAR COOPERATIVE 3020 STATE Ave BILLINGS MT 59101 THE WESTERN WASHINGTON FND 516 HIGH MS 9034 BELLINGHAM WA 98225-9034 THE WHITEHALL LEDGER PEOE BOX L WHITEHALL MT 59759 THE WILDLIFE SOCIETY PO Box 130 BOZEMAN MT 59771 THE YELLOWSTONE BANK PO Box 7 LAUREL MT 59044 THEATRE OPPORTUNITIES FOR 515 S 4TH ST ABERDEEN SD 57401 THELEN REID & PRIEST LLP 701 PENNSYLVANIA AVE NW 8TH FL WASHINGTON DC 20004-2608 THEMES & VARIATIONS 39 DANBURY Ave WESTPORT CT 06880-6822 THEODORE L SMITH 37963 133RD St ABERDEEN SD 57401 THIELS WELDING INC 3748 GREEN ACRES DR BILLINGS MT 59101-6145 THIRD CITY NEW HOLLAND 3700 W 2ND ST GRAND ISLAND NE 68803-5255 THOMAS & BETTS CORPORATION 9317B NE HWY 99 Ste O VANCOUVER WA 98665 THOMAS BENSON 1925 80TH ST SW APPLETON MN 56208 THOMAS BUILT UP ROOFING INC 2931 QUINCY ST BUTTE MT 59701 Thomas BuiltUp Roofing 2931 Quincy Butte MT 59701 THOMAS D BERRY 711 N 27TH ST BILLINGS MT 59101 Thomas Dean & Hoskins Inc 1200 25th St S Great Falls MT 59406-5198 THOMAS DEAN & HOSKINS INC 1200 TWENTYFIFTH St S GREAT FALLS MT 59405 Thomas E Trulley 320 Ruschli St Crown Point IN 46307 THOMAS INC 3636 HARRISON Ave BUTTE MT 59701 THOMAS K BUDDE 422 S MAIN LIVINGSTON MT 59047 THOMAS KNAPP 7116 DARBY RD BETHESDA MD 20817 THOMAS PRINTING INC 38 6TH AVE W KALISPELL MT 59901 Thomas Tenenbaum Esq Gorsuch Kirgis LLP 1515 Arapahoe Tower 1 Ste 1000 Denver CO 80202 THOMPSON COBURN 18379M ST LOUIS MO 63195-0001 THOMPSON ELECTRIC CO OF SO DAK 1801 W 50TH ST SIOUX FALLS SD 57109-1002 THOMPSON EXCAVATING PO Box 191 VAUGHN MT 59487

THOMPSON FALLS CHAMBER OF COMMERCE PO Box 493 THOMPSON FALLS MT 59873 Thompson Falls High Schoo PO Box 129 Thompson Falls MT 59873 THOMPSON JENNIFER 1005 N SAVANNAH DR SIOUX FALLS SD 57103 THOMPSON LARRY 2520 LOOKOUT CIRCLE HELENA MT 59601 THOMPSON OIL CO 21 W 5TH AVE WEBSTER SD 57274 THOMPSON PUBLISHING GROUP SUBSCRIPTION SERVICE CENTER TAMPA FL 33634-6185

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 137 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Thompson River Cogen LLC cco Professional Recovery Systems MT Attn Mr Barry A Bates 285 2nd Ave W N Kalispell MT 59901 THOMPSON RIVER LUMBER PO Box 279 THOMPSON FALLS MT 59873 THOMPSON RIVER LUMBER CO PO Box 270 THOMPSON FALLS MT 59873 THOMPSON SHARON 400 S EDWARDS BLVD 255 LAKE GENEVA WI 53147 THOMPSONS RENTAL SHOP INC 2104 INDUSTRIAL Dr BOZEMAN MT 59715 THOMSEN AUTO SUPPLY INC PO Box 1326 GRAND ISLAND NE 68802 THOMSON FINANCIAL CARSON PO Box 360315 PITTSBURGH PA 15251-6315 Thomson Financial Corporate Group Attn Tony Manto 195 Broadway 11th Floor New York NY 10007 THOMSON FINANCIAL MEDIA PO Box 4634 CHICAGO IL 60680 THOMSON FINANCIAL PUBLISHING PO Box 71690 CHICAGO IL 60694-1690 THOMSON FINANCIAL/CARSON PO Box 360315 PITTSBURGH PA 15251-6315 THOMSON WEST 525 WESCITT RD EAGAN MN 55123 Thomson West John F Tumulty 610 Opperman Drive D6 11 3807 Eagan MN 55123 THOMSON WEST PAYMENT CENTER PO Box 6292 CAROL STREAM IL 60197-6292 THOMSON/WEST PO Box 64833 ST PAUL MN 55164-0833 THORNTON STANLEY 1493 EASY ST BUTTE MT 59701 Three Forks Cable TV Inc PO Box 1088 Three Forks MT 59752 THREE FORKS CHAMBER OF COMMER CE THREE FORKS MT 59752 THREE FORKS HERALD & MANHTN PR PO Box 586 THREE FORKS MT 59752 THREE FORKS HIGH SCHOOL 210 E NEAL THREE FORKS MT 59752 THREE FORKS LUMBER COMPANY PO Box 156 THREE FORKS MT 59752-0156 THREE RIVERS CLINIC LARRY WALKER THREE FORKS MT 59752 THUNES TRUE VALUE HARDWARE 1400 N MAIN MITCHELL SD 57301 THURSTON HEATING & AIR COND PO Box 2345 KEARNEY NE 68848 THURSTON HIGH SCHOOL 333 58TH SPRINGFIELD OR 97478 THYSSEN LAGERQUIST ELEVATOR 1801 W River Rd MINNEAPOLIS MN 55411-3433 THYSSENKRUPP ELEVATOR CORP 8044 MONTGOMERY RD No285 CINCINNATI OH 45236-2919 TIBER MONTANA LLC Attn Ted Sorenson 5302 S 11TH E IDAHO FALLS ID 83404 TIESZEN HOME RR1 BOX 209 MARION SD 57043 TIFFANY SQUARE 3119 W FAIDLEY GRAND ISLAND NE TIGER ROAR BOOSTER CLUB 1270 FRANK AVE SE HURON SD 57350 TILLERAAS LANDSCAPE NURSERY 100 32ND ST SW GREAT FALLS MT 59404 TILLEY SPRINKLER SYSTEMS 3809 WESTGATE RD GRAND ISLAND NE 68803 TILLO GRAPHICS 3545 PAXSON Ave BUTTE MT 59701 TILO GRAPHICS 3545 PAXSON BUTTE MT 59701 Tim Gilskey dba K C Welding & Machine Shop 315 Bach St Lewistown MT 59457 TIM HARVEY 600 MAIN AVE BROOKINGS SD 57006 TIM LOCKE CONCRETE & CONSTRUCTION 36 TREASURE STATE DR GREAT FALLS MT 59404 TIM ODLAND 110 W 7TH AVE REDFIELD SD 57469 TIM ODLAND CONSTRUCTION 110 W 7TH AVE REDFIELD SD 57469 TIM THORNE CONSTRUCTION 802 PAMELA DR BROOKINGS SD 57006 TIMBER BAR LLC PO Box 1572 BIG TIMBER MT 59011 Timber Products Inspection Inc 105 SE 124th Ave Vancouver WA 98684 TIMBERLINE ELECTRONICS COMPANY 2625 E SHERIDAN CODY WY 82414 TIMBERWELD MANUFACTURING CO PO Box 689 COLUMBUS MT 59019 TIME PO Box 60001 TAMPA FL 33660-0001 TIMES ENTERPRISE WOLSEY NEWS PO Box 107 WESSINGTON SD 57381-0107 TIMES RECORD / CONDE NEWS PO Box 223 TURTON SD 57477-0223 TIMMER SUPPLY CO 401 S EGAN AVE MADISON SD 57042 TIMOTHYS FINE WOODWORKING 3025 E BOZEMAN AVE HELENA MT 59601 TIMS CUTTING EDGE 602 5TH ST N ESTELLINE SD 57234 TINA C BRILZ RPR FCRR 215 FIRST Ave N GREAT FALLS MT 59403-2186 TINKER & RASOR PO Box 281 SAN GABRIEL CA 91778-0281 TINYS TAVERN INC 323 24TH ST N BILLINGS MT 59105-0128 TJ NIEHAUS 5521 Tipperary Tr Lincoln NE 68512-1454 TJ PHOTOGRAPHY 2701 S DAKOTA BUTTE MT 59701 TLC GARDENS 707 DICKENSON MISSOULA MT 59802 TLD AMERICA 812 BLOOMFIELD AVE WINDSOR CT 06095-0726 TMC INC 22540 FRONTAGE RD BELGRADE MT 59714 TMP Interactive Inc Monste 22446 Network Place Chicago IL 60673-1224 TMP WORLDWIDE EXECUTIVE SEARCH 22443 NETWORK PLACE CHICAGO IL 60673-1224 TOASTMASTERS INTERNATIONAL PO Box 9052 MISSION VIEJO CA 92690 TOBINS NORTH AMERICAN 119 E 1ST AVE MITCHELL SD 57301-0639 TODD BRUESKE CONSTRUCTION PO Box 322 WOONSOCKET SD 57385 TODD C KING PO Box 10 PHILIPSBURG MT 59858 TODD GARRY 513 MAIN ST WEBSTER SD 57274 Todd Langel 125 1st Ave NW Rudyard MT 59540 TODD MUIRHEAD 1011 EUGENE GRAND ISLAND NE 68801-8010 TOLAN DISTRIBUTING INC 2201 VAUGHN Rd GREAT FALLS MT 59403-2923 TOLEDO SAND & GRAVEL 10330 HWY 2 E HAVRE MT 59501 TOLLEFSEN ELLIOTT LUMBER CO PO Box 366 KEARNEY NE 68848-0366 TOM & VICKI KIDDER & THEIR ATTORNEY PO Box 20039 BILLINGS MT 59104-0039 TOM DENEKE 6824 Medinah Ct Rapid City SD 57702-9529 TOM HITCHCOCK 1009 ILLINOIS SW HURON SD 57350 TOM PAVLIN 817 E HANSON MITCHELL SD 57301 TOM RAUERT TENET ROUTE 1 BOX 275 GRAND ISLAND NE

Tommie Simmons & Cora Lees Simmons Ttee s Simmons Living Trust 2379 HWY 2 Bonifay FL 32425-7201 TOMS IGA 130 1ST ST N CASCADE MT 59421-9999 TOMS TWOWAY 1908 BROADWAY YANKTON SD TONGUE RIVER ELECTRIC COOPINC PO Box 138 ASHLAND MT 59003

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 138 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Toni S Gould c o Kathryn Gould 128 Alden Avenue New Haven CT 06515-2110 Toni S Gould The Depository Trust Company 55 Water St 49th Fl New York NY 10041 TONY LASLOVICH 112 MOUNTAIN VIEW HOMES ANACONDA MT 59711-1616 Tony Laslovich Construction 112 Mountain View Anaconda MT 59711 TOOL DOCTOR 607 AVE D KEARNEY NE 68847 TOOLE COUNTY TREASURER COURTHOUSE SHELBY MT 59474 TOOLE COUNTY CLERK & RECORDER 226 FIRST St S SHELBY MT 59474 TOOLE COUNTY COMBINED FUND PO Box 591 SHELBY MT 59474 TOOLE COUNTY TREASURER 226 1st Street South SHELBY MT 59474 TOP OF THE MORNIN TOASTMASTERS 125 W GRANITE BUTTE MT 59701 TORCUP INC 1500 UHLER Rd EASTON PA 18040 TOSHIBA AMERICA INC 901 N FORESTER ST MITCHELL SD TOTAL ASPHALT REPAIR INC 6875IEHENKE AVE BILLINGS MT 59101 Total Corrosion Solutions Inc PO Box 50988 Billings MT 59105 TOTAL ENERGY CORPORATION 711 WESTCHESTER AVE WHITE PLAINS NY 10604 TOTAL ENERGY RESOURCES INC PO Box 702586 TULSA OK 74170 TOTAL LAWN CARE 215 ROCKY CLIFF Dr KALISPELL MT 59901 TOTAL MAINTENANCE SYSTEMS INC 708 MAIN AVE S BROOKINGS SD 57006 TOUCH AMERICA 130 N MAIN St BUTTE MT 59701 TOUCH AMERICA HOLDINGS 107 N MAIN St BUTTE MT 59701 The Brandywine Building 17th Floor PO Box Touch America Holdings Inc et al Young Conaway Stargatt & Taylor LLP Attn Robert S Brady Esquire 391 Wilmington DE 19899-0391 Touch America Holdings Inc et a Attn Robert S Brady Esq Young Conaway Stargatt & Taylor LLP The Brandywine Bldg 17th Fl PO Box 391 Wilmington DE 19899-0391 Touch America Inc 130 N MAIN BUTTE MT 59701 TOUCH AMERICA INC 130 N MAIN St BUTTE MT 59701-7202 TOUCH AMERICA INC 130 N MAIN ST BUTTE MT 59701-9331 TOUCH AMERICA INC 1903 SE Russell MISSOULA MT 59806 TOUCH AMERICA INC TIMBERLINE COMMUNICATIONS STE 130 N MAIN BUTTE MT 59701 TOWER LEASE INC RR 1 BOX 87 LUVERNE MN 56156-9729 Towers Perrin Centre Square East 1500 Market St Philadelphia PA 19102 TOWERS PERRIN PEOE BOX 8500 S6110 PHILADELPHIA PA 19178 TOWERS PERRIN PO BOX 8500 S 6110 PHILADELPHIA PA 19178 TOWERY PUBLISHING INC PO Box 41079 MEMPHIS TN 38174-1079 TOWN & COUNTRY AUTOPLEX 212 W HIGHWAY 50 GUNNISON CO 81230 Town & Country Cable Inc Claude Kraft PO Box 2 Aberdeen SD 57401 TOWN & COUNTRY FOODS 219 N 19TH BOZEMAN MT 59718 TOWN & COUNTRY SUPPLY 800 E MAIN ST LAUREL MT 59044 TOWN OF BOULDER PO Box 68 BOULDER MT 59632 TOWN OF BRIDGER PO Box 368 BRIDGER MT 59014-0368 TOWN OF CHESTER PO Box 644 CHESTER MT 59522-0644 TOWN OF COLUMBUS PO Box 549 COLUMBUS MT 59019 TOWN OF DENTON PO Box 986 DENTON MT 59430-0986 TOWN OF ENNIS PO Box 147 ENNIS MT 59729-0147 TOWN OF FAIRFIELD PO Box 8 FAIRFIELD MT 59436-0008 TOWN OF FROMBERG 118 W RIVER FROMBERG MT 59029 TOWN OF JOLIET PO Box 210 JOLIET MT 59041 Town of Kevin PO Box 274 Kevin MT 59454 TOWN OF MANHATTAN PO Box 96 MANHATTAN MT 59741-0096 TOWN OF MELSTONE PO Box 237 MELSTONE MT 59054-0237 Town of Philipsburg Ginger Yardley 104 S Sansome PO Box 339 Philipsburg MT 59858 Town of Philipsburg PO Box 339 Philipsburg MT 59858-0339 TOWN OF SHERIDAN PO Box 78 SHERIDAN MT 59749 TOWN OF SUPERIOR PO Box 726 SUPERIOR MT 59872 TOWN OF SUPERIOR PO Box 729 SUPERIOR MT 59872 TOWN OF WALKERVILLE PO Box 7707 WALKERVILLE MT 59701 TOWN OF WHITEHALL PO Box 529 WHITEHALL MT 59759 TOWN OF WHITEHALL PO Box 539 WHITEHALL MT 59759 Town of Wolsey Beadle County South Dakota WOLSEY SD Town of Yale Beadle County South Dakota YALE SD TOWN PUMP INC 600 S MAIN BUTTE MT 59701 TOWN PUMP INC 600 S MAIN St BUTTE MT 59701 TOWN PUMP INC 600 SOUTH MAIN St BUTTE MT 59701 Town Pump Inc PO Box 6000 Butte MT 59702

Townsend Agricultural Service dba Belfry Cable TV PO Box 687 Cowley WY 82420

TOWNSEND AREA CHAMBER OF COMMERCE PO Box 947 TOWNSEND MT 59644 TOWNSEND CHRISTMAS CONNECTION PO Box 250 TOWNSEND MT 59644 TOWNSEND ELECTRIC INC PO Box 401 TOWNSEND MT 59644 TOWNSEND MUFFLER & WELDING PO Box 232 TOWNSEND MT 59644 TOWNSEND SCHOOL DISTRICT 201 N SPRUCE TOWNSEND MT 59644 TP Construction Inc Box 591 Havre MT 59501-0591 TP CONSTRUCTION INCORPORATED PO Box 591 HAVRE MT 59501-0591 TRACTOR & EQPT CO OF GT FALLS PO Box 2147 GREAT FALLS MT 59403-2147 TRACTOR SUPPLY COMPANY 1314 W HAVEN MITCHELL SD 57301 TRACTOR SUPPLY COMPANY PO Box 17916 NASHVILLE TN 37217 Trade Debt Net PO Box 1487 West Babylon NY 11704 Trademark Electric PO Box 3786 Butte Mt 59701 Trademark Electric Inc PO Box 3786 Butte MT 59701 Trademark Electric Inc PO Box 3786 Butte MT 59702 TRAIL KING INDUSTRIES INC 2200 S OHLAM MITCHELL SD 57301

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 139 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country TRAIL KING INTDUSTRIES INC 300 L NORWAY AVE MITCHELL SD 57301 TRAIL KING INTDUSTRIES INC PO BOX 1064 MITCHELL SD 57301 TRAILS END SERVICES HC72 BOX 5005 BROWNING MT 59417 TRAINING PARTNERS 2701 S MINNESOTA AVE STE 9 SIOUX FALLS SD 57105 TRANE 3500 S PHILLIPS STE 201 SIOUX FALLS SD 57105 TRANS ELECTRIC 2120 DIXON St MISSOULA MT 59801 TRANS MONTANA 600 CENTRAL PLAZA Ste 13 GREAT FALLS MT 59401 TRANS MONTANA PO Box 591 GREAT FALLS MT 59403 TRANS TECH INC 2233 S GARFIELD RD SPOKANE WA 99204 Trans Tech Inc 2233 S Garfield Rd Airway Heights WA 99204 TRANSIT TEC INC 3322 SOUTHWAY Dr ST CLOUD MN 56301 TRANSOPTIONS MESSAGING 6800 S DAWSON CIRCLE Ste 20 CENTENNIAL CO 80012 TRANSPORT INC PO Box 400 MOORHEAD MN 56561 TRAPP BROTHERS INC PO Box 187 MILBANK SD 57252

TRAVELERS CASUALTY & SURETY COMPANY 1341 HARRISON Ave BUTTE MT 59701-4898 TRAVELERS INDEMNITY AND AFFILIATES 3531 COLLECTIONS CENTER DR CHICAGO IL 60693 TRAVELERS INSURANCE 951 HORNET Dr HAZELWOOD MO 63042 TRAVIS J SICHMELLER 1713 12TH AVE SE ABERDEEN SD 57401 TRAYER ENGINEERING CORPORATION 898 PENNSYLVANIA Ave SAN FRANCISCO CA 94107 TREASURE COUNTY TREASURER COURTHOUSE HYSHAM MT 59038 TREASURE COUNTY TREASURER PO Box 429 Hysham MT 59038-0429 TREASURE STATE OF IOWA PO Box 10411 DES MOINES IA 50306-0411 TREASURE STATE OIL INC 622 E TAMARACK BOZEMAN MT 59715 TREASURE STATESMAN PO Box 589 GREAT FALLS MT 59403 TREASURER OF VIRGINIA PO Box 85022 RICHMOND VA 23261-5022 TREASURER STATE OF IOWA PO Box 10411 DES MOINES IA 50306-0411 TREGIDGA RONALD 2020 THOMAS AVE BUTTE MT 597016229 TRENCH LIMITED 815 MIDDLEFIELD RDE UNIT No7 SCARBOROUGH ON M1V 2P9 Canada TRENWA INC 1419 ALEXANDRIA PIKE FT THOMAS KY 41075 TRI CITY DIESEL 609 PLATTE Rd KEARNEY NE 68845 TRI COUNTY CARDINALS BASEBALL 318 S VIRGINIA CONRAD MT 59425 TRI COUNTY LANDFILL ASSN 24978 349TH AVE PUKWANA SD 57370-6422 TRI COUNTY MECHANICAL & ELECTRICAL 3139 BOZEMAN Ave HELENA MT 59604 TRI COUNTY MECHANICAL & ELECTRICAL 3139 BOZEMAN Ave PO Box 5928 HELENA MT 59604 TRI PACIFIC SUPPLY INC 4300 ANTHONY CT STE H ROCKLIN CA 95677 TRI STATE WATER INC PO Box 116 SISSETON SD 57262-0116 TRI VALLEY PETROLEUM PO Box 431 LIVINGSTON MT 59047-0431 TRIANGLE TELEPHONE COOP ASSN PO Box 1220 HAVRE MT 59501-1220 TRIANGLE TELEPHONE COOPERATIVE 2121 HWY 2 N W HAVRE MT 59501 TRIANGLE TELEPHONE COOPERATIVE PO Box 1220 HAVRE MT 59501 Triangle Telephone Cooperative Association In PO Box 1202 Havre MT 59501 TRICON TIMBER PO Box 158 ST REGIS MT 59866 TRICON TIMBER INC PO Box 158 ST REGIS MT 59566 TriCounty Mechanical & Electrical Inc 3139 Bozeman Ave Helena MT 59601 TRIDENT MICRO SYSTEMS TWO TRIDENT Dr ARDEN NC 28704 Triel D Culver 1601 Lewis Ave Ste 206 Billings MT 59104 TRIPLE A TRAVEL 1300 INDUSTRIAL AVE SIOUX FALLS SD 57104 TRIPLE G AUTO DETAIL 1919 LAMPMAN Dr BILLINGS MT 59102 TRIPLE W EQUIPMENT INC 3201 W Broadway MISSOULA MT 59802 TRIPLE W EQUIPMENT INC 3201 WEST BROADWAY PO Box 7818 MISSOULA MT 59802 TRIPP CITY SWIMMING POOL PO BOX 428 TRIPP SD 57376-0428 TRIPP COMMERCIAL CLUB DR DALE BAKKE TREASURER TRIPP SD 57376 TRIPP COUNTY CLERK OF COURTS PO Box 311 WINNER SD 57580 TRIPP DELMONT AFTER PROM PARTY PO Box 7 DELMONT SD 57330 TRIPP FARMERS LUMBER COMPANY PO Box 250 TRIPP SD 57376 TRIPP GOOD SAMARITAN CENTER PO Box 147 TRIPP SD 57376 TRISTA GARZA PO Box 179 BELT MT 59412 Tristas Lawn Service PO Box 179 Belt MT 59412 TRONDENT DEVELOPMENT CORP 1300 S GROVE Ave Ste 204 BARRINGTON IL 60010 TROPHIES PLUS 500 E COUNTY RD 35 ADRIAN MN 56110 TROUT UNLIMITED BIG BLACKFOOT CHAPTER OVANDO MT 59854-0001 TROY GROUP INC 2331 S PULLMAN St SANTA ANA CA 92705 TROY SYSTEMS INTERNATIONAL INC PO Box 51240 LOS ANGELES CA 90051-5540 TROYER ENTERPRISES 702 N BAILY NORTH PLATTE NE 69101 TRS PO Box 360090 PITTSBURGH PA 15251-6090 Tru Green Chemlawn PO Box 80345 Billings MT 59108-0345 TRUCK & TRAILER SERVICES 457 CUSTER AVE NE HURON SD 57350 TRUCK TRACTOR EQUIPMENT REPAIR PO Box 2501 HAVRE MT 59501 TRUCK TRAILER SALES & SERVICE INC 3111 E HWYE 50 YANKTON SD 57078 TRUCKER EXPRESS INC 3501 W Broadway MISSOULA MT 59808 TRUE DATA PARTNERS 1100 El Centro St A S Pasadena CA 91030-5213 TRUE VALUE 525 N MAIN ST REDFIELD SD 57469 TRUE VALUE C/O WILLIAM F ROSSELOT FAIRFIELD MT 59436-0608 TRUGREEN CHEM LAWN PO Box 80345 BILLINGS MT 59108-0331 TRUSTWORTHY HARDWARE PO Box 12 CLEAR LAKE SD 57226 TS BARTENDING SERVICES 215 N HAWTHORNE SIOUX FALLS SD 57104 TS Vending Pepsi Americas 901 40th St SW Fargo ND 58103 TS VENDING SERVICE 2400 E 52ND ST N SIOUX FALLS SD 57104 TSA/ADVET INC 4722 CAMPBELLS RUN Rd PITTSBURGH PA 15205 TSCHETTER HOHM CLINIC 455 KANSAS AVE SE HURON SD 57350 TSCHETTERS UPHOLSTERY 1245 DAKOTA N HURON SD 57350

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 140 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country TTR ENTERPRISES 6980 W 18TH KEARNEY NE 68845 TTT REPAIR INC PO Box 381 BLACK EAGLE MT 59414 TUCKER H ADAMS 4822 ALTEZA Ste 300 COLORADO SPRINGS CO 80917 Tucker Hart Adams c o Ronald S Gellart Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Tucker Hart Adams c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellott LLC 4 East 8th St Ste 200 Wilmington DE 19801 Tucker Hart Adams Joseph H Huston Jr Stevens & Lee PC 1105 North Market St 7th Floor Wilmington DE 19801 Tucker Hart Adams Joseph H Huston Jr Stevens & Lee PC 300 Delaware Ave Ste 800 Wilmington DE 19801 TUCKERS SEMINARS HC 15 BOX 29 VALENTINE NE 69201 TUDOR MACHINE INC PO Box 4028 HELENA MT 59604 TULARE HIGH SCHOOL PO Box 108 TULARE SD 57476-0108 TULARE POST PROM C/O DIANE TIPTON TULARE SD 57476 Tulare School PO Box 108 Tulare SD 57476 TULSTAR PRODUCTS INC 5510 S LEWIS AVE TULSA OK 74105 TURNER CO COURTHOUSE PO BOX 368 PARKER SD 57053-0368 TURNER COUNTY CLERK OF COURTS PO Box 446 PARKER SD 57053 TURNER COUNTY HIWAY DEPARTMENT PO BOX 548 PARKER SD 57053-0548 TURNER COUNTY TREASURER 400 S MAIN PARKER SD 57053-0250 TURNER COUNTYTREASURER 400 S MAIN PARKER SD 570530250 TURNER ELECTRIC CORPORATION PO Box 3158 Fairview Hts IL 62208 TV PRODUCTIONS PO Box 6 BROOKINGS SD 57006 TVX MINERAL HILL INC 13 CREVICA MOUNTAIN Rd GARDINER MT 59030 TW Wireless LLC 1860 Lincoln St 14th F Denver CO 80295 TW WIRELESS LLC ATTENTION EXECUTIVE VICE PRESEIDENT 130 N MAIN BUTTE MT 59701 TW WIRELESS LLC ATTENTION PRESIDENT 1860 LINCOLN 14TH Fl Denver CO TWENTY FOUR HOUR FITNESS 1202 NW IRVING PORTLAND OR 97209 Twin Bridges Public Schoo PO Box 419 Twin Bridges MT 59754 TWIN CITY FAN AND BLOWER CO 101 SUNRISE RIDGE ROAD BROOKINGS SD 57006 TWIN CITY FAN AND BLOWER CO 130 SUNRISE RIDGE ROAD BROOKINGS SD 57006 TWIN CITY FAN AXIAL DIVISION INC 550 KSOTA AVE ST MINNEAPOLIS MN 55414 TWIN CITY ROOFING CO INC 117 Railroad AVE NE ABERDEEN SD 57402-0245 TWIN VALLEY TIRE INC 516 W 4TH AVE MILBANK SD 57252-2201 TWIRL JET SPAS INC 3990 INDUSTRIAL AVE HEMET CA 92545 TWISTERS 152 OHIO SW HURON SD 57350 TX CHILD SUPPORT SDU PO Box 659791 SAN ANTONIO TX 78265-9791 TXU Energy 435 Northern and Santa Fe Railway Company BNSF TXU Energy PO Box 30061 College Station TX 77842-3061 TXU Energy Northern and Santa Fe Railway Burlington Northern and Santa Fe Company BNSF Railway Company BNSF PO Box 30061 College Station TX 77842-3061 TYCO ELECTRONICS CORPORTION PO Box 91869 CHICAGO IL 60693-1869 TYCO M/A COM PO Box 121013 DALLAS TX 75312-1013 TYLER HARRIS PO Box 783 FAIRFIELD MT 59436 U S BANCORP PO Box 6311 FARGO ND 58125-6311 U S CELLULAR PO Box 740365 ATLANTA GA 30374-0365 U S DEPARTMENT OF ENERGY 1000 INDEPENDENCE AVE SW WASHINGTON DC 20585 U S DEPARTMENT OF TRANSPORTATION 400 SEVENTH ST S W WASHINGTON DC 20590 U S DEPARTMENT OF TREASURY 1000 INDEPENDENCE AVE SW WASHINGTON DC 20585 U S GOVT PRINTING OFFICE 37197M PITTSBURGH PA 15250-7975 U S Post Office 1202 S 5th St Aberdeen SD 57401 U S Post Office The Village Bowl NW 8th Ave Aberdeen SD 57401 U S WEST COMMUNICATIONS PO Box 2348 SEATTLE WA 98111-2348 U S West Communications Inc Attention Joint Use Administration 6912 S Quentin St Ste 101 Englewood CO 80112 UA LOCAL #459 1026 S 5TH ST W MISSOULA MT 59801

UA OF JOURNEYMAN AND APPRENTICES OF THE PLUMBING AND PIPEFITTING INDUSTRY OF THE US AND CANADA LOCAL 41 ATTN JOHN FORKAN BUSINEES MANAGER PO BOX 3172 BUTTE MT 59702

UA OF JOURNEYMAN AND APPRENTICES OF THE PLUMBING AND PIPEFITTING INDUSTRY OF THE US AND CANADA LOCAL 459 ATTN DON HALVERSON BUSINEES MANAGER 1026 S FIFTH St MISSOULA MT 59703

UA OF JOURNEYMAN AND APPRENTICES OF THE PLUMBING AND PIPEFITTING INDUSTRY OF THE US AND CANADA LOCAL41 PO BOX 3172 BUTTE MT 59702 UAP TIMBERLAND LLC PO Box 557 MONTICELLO AR 71657-0557 UBS Financial Services Inc Mary DeNevi Bingham McCutchen LLP 150 Federal St Boston MA 02110 UBS Financial Services Inc c o ADP UBS Paine Webber Standby LC Dept 1200 Harbor Blvd 4th F Weehawken NJ 7087 UBS PAINNE WEBBER INC 125 S WACKER Dr CHICAGO IL 60606 UBS Securities LLC Attn David Rizzo Senior Counse 299 Park Avenue New York NY 10017 UBS Securities LLC Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 UBSPaine Webber Standby LC Dept 1200 Harbor Blvd 4th F Weehawken NJ 7087 UCG PO Box 17673 BALTIMORE MD 21297-1673 UCN UNITED CARRIER NETWORKS 14870 PONY EXPRESS Rd BLUFFDALE UT 84065 UCN UNITED CARRIER NETWORKS 14870 PONY EXPRESS Rd PO Box 410469 BLUFFDALE UT 84065 UM WESTERN MONTANA COLLEGE FND 710 S ATLANTIC DILLON MT 59725 UMAC INCORPORATED 120 S SHIP Rd EXTON PA 19341-2853 UNDER THE SUN RENTL W HWY 14 HURON SD 37350 UNDERGROUND CONSTRUCTION 300 NORTHVIEW DR KEARNEY NE 68847-9564 Underground Utility Locating Inc 668 Davisville Rd 7 Willow Grove PA 19090-1515 UNION PACIFIC LAND RESOURCES CORPORATION 110 N FOURTEENTH St Ste 1000 OMAHA NE 68102

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 141 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country UNION PACIFIC RAILROAD 1800 FARNAM St OMAHA NE 68102 UNION PACIFIC RAILROAD CO 12567 COLLECTIONS CENTER Dr CHICAGO IL 60693 UNION PACIFIC RAILROAD WASH FACILITY BOX 1605 OMAHA NE 68101-1605 UNION PACIFIC RAILROAD WEST TOWER BOX 1611 OMAHA NE 68101-1611 UNION TELEPHONE CO PO Box 199 DODGE CITY KS 67801-0199 UNISERVICE INC 3300 N 41st St Lincoln NE 68504 1999 UNISOURCE WORLDWIDE INC 812 TOOLE Ave MISSOULA MT 59807-7367 UNITED ACCOUNTS INC PO Box 2593 BISMARCK ND 58502-2593 UNITED AGRI PRODUCTS Attn Kim Reiswig 1230 40th St NW Fargo ND 58102 UNITED AGRI PRODUCTS BIG SKY Attn: Kim Reiswig 1230 40th St NW Fargo ND 58102 UNITED AGRICULTURE PRODUCTS 1230 40TH ST NW FARGO ND 58102 United Airlines Inc WHQSS North America Sales WHQSS 1200 E Algonquin Rd Elk Grove Township IL 60007 UNITED ASSOCIATION OF JOURNEYMAN AND APPRENTICES OF THE PLUMBING AND PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA MR DON HALWERSON BUSINESS MANAGER LOCAL 459 1026 S FIFTH St W MISSOULA MT 59703 UNITED BRICK 225 S MAIN Ave SIOUX CITY IA UNITED BUILDING CENTER 3200 E 6TH ST BROOKINGS SD 57006 UNITED BUILDING CENTERS 1000 E LYNDALE HELENA MT 59601-2954 UNITED BUILDING CENTERS 205 1ST AVE SE ABERDEEN SD 57401 UNITED BUILDING CENTERS 301 E 3RD ST YANKTON SD 57078 United Defense Attn Jerry Glammeier PO Box 1947 Aberdeen SD 57402-1947 UNITED GIVERS OF BILLINGS PO Box 669 BILLINGS MT 59103 UNITED LOCATING SERVICES 1120 Kensington Ave Missoula MT 59801-5625 UNITED MATERIALS OF GT FLSINC PO Box 1690 GREAT FALLS MT 59403 UNITED PARCEL SERVICE c o D&B RMS Bankruptcy Services PO Box 4396 Timonium MD 21094 UNITED PARCEL SERVICE LOCKBOX 577 CAROL STREAM IL 60132-0577 UNITED PARCEL SERVICE PO Box 3823 OMAHA NE 68103-0823 UNITED PARCEL SERVICE PO Box 505820 THE LAKES NV 88905-5820 UNITED PROPERTIES PO Box 30238 BILLINGS MT 59107 UNITED RENTALS 1701 W 12TH ST SIOUX FALLS SD 57104 UNITED RENTALS INC 1315 CLARK FORK LANE MISSOULA MT 59808 United Rentals Inc 1315 Clark Fork Ln Missoula MT 59808 UNITED SALES ASSOCIATES PO Box 1968 LAKE OSWEGO OR 97036 United States Matthew Morrison Senior Counse Kim Sabo Trial Attorney US Dept of Justice Env Enforcement Section PO Box 7611 Washington DC 20044 UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION UPPER MISSOURI REGION PO BOX 2553 BILLINGS MT 59103 United States Government Finance Division 8BC Building 41 DFC Denver CO 80225 Bonneville Power Administration Department of United States of America Energy 905 NE 11th Avenue P O Box 3621 Portland Oregon 97208-3621 United States of America Western Area Power Administration Dept of Energy 12155 W Alameda Pkwy Lakewood CO 80228-8213 United States of America Matthew J Troy Civil Division U S Department of Justice P O Box 875 Washington DC 20044-0875 United States of America J Christopher Kohn Matthew J Troy PO Box 875 Ben Franklin Station Washington DC 20044-0875 United States of America Mr Brian D Altman Transmission Account Executive Bonneville Power Administration P O Box 61409 Vancouver WA 98666-1409 United States of America Ronald J Klinefelter Western Area Power Administration 12155 W Alameda Pkwy Lakewood CO 80228-8213 United States of America acting through the Administrator of General Services Federal Building Attn Contracting Officer 115 4th Ave SE Aberdeen SD 57402 United States of America acting through the Adminstrator of General Services Public Utilities Division Office of Governmentwide Real Property Policy General Services Administration Washington DC 20405 United States of America Dept of Energy Bonneville Power Administration Attention Robert D King PO Box 491 Vancouver WA 98666-0491 UNITED STATES POSTAL SERVICE CMRSTMS FOR ACCTNo 100193 CAROL STREAM IL 60123 UNITED STATES POSTAL SERVICE DOWNTOWN STATION ABERDEEN SD 57401-9998 UNITED STATES POSTAL SERVICE POSTMASTER YANKTON SD 57078 UNITED STATES POSTAL SERVICE RURAL BRANCH BIG SKY MT 59716 UNITED STATES POSTAL SERVICES PO Box 6506 DALLAS TX 60682 UNITED STATES TREASURY PO Box 105421 ATLANTA GA 30348-5421 UNITED STATES TREASURY PO Box 192 COVINGTON KY 41012-0192 UNITED STATES TRUST CO OF NY 114 W 47TH ST NEW YORK NY 10036-1532 UNITED STATES TRUST CO OF NY Marie Desravines Corporate Actions Dep 499 Washington Blvd Jersey City NJ 07310 UNITED VAN LINES 1 UNITED Dr FENTON MO 63026 UNITED WAY PO Box 729 MITCHELL SD 57301 UNITED WAY OF ABERDEEN PO Box 1065 ABERDEEN SD 57401 UNITED WAY OF ANACONDA PO Box 369 BUTTE MT 59703 UNITED WAY OF BUTTE PO Box 369 BUTTE MT 59701 UNITED WAY OF CASCADE COUNTY PO Box 1343 GREAT FALLS MT 59403-1343 UNITED WAY OF FLATHEAD COUNTY PO Box 7217 KALISPELL MT 59904-0217 UNITED WAY OF GALLATIN COUNTY INC PO Box 206 BOZEMAN MT 59771 UNITED WAY OF GREATER YANKTON PO Box 387 YANKTON SD 57078 UNITED WAY OF HELENA PO Box 862 HELENA MT 59624 UNITED WAY OF HILL COUNTY PO Box 1131 HAVRE MT 59501 UNITED WAY OF HURON PO Box 652 HURON SD 57350 UNITED WAY OF KEARNEY 4009 6TH AVE Ste 19 KEARNEY NE 68845 UNITED WAY OF MISSOULA COUNTY 531 N HIGGINS AVE MISSOULA MT 59807-7395 UNITED WAY OF MISSOULA COUNTY 531 N HIGGINS AVE PO Box 7395 MISSOULA MT 59807-7395 UNITED WAY OF MITCHELL PO Box 729 MITCHELL SD 57301 UNITED WAY OF NORTHEASTERN SOUTH PO Box 1065 ABERDEEN SD 57402-1065 UNITED WAY OF SILVER BOW COUNTY PO Box 369 BUTTE MT 59703-0369 UNITED WAY OF YELLOWSTONE CO PO Box 669 BILLINGS MT 59103-0669 UNITRIN INC 10TH Fl 1 E WACKER Dr CHICAGO IL 60601 UNITY SQUARE E HWY 12 MILBANK SD UNIVERSAL ATHLETIC SERVICE 3100 HARRISON C4 BUTTE MT 59701

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 142 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country UNIVERSAL ATHLETIC SERVICE INC 25 W MAIN St BOZEMAN MT 59771-1620 UNIVERSAL CARD PO Box 6914 THE LAKES NV 88901-6914 UNIVERSAL HEATING AND COOLING PO Box 1738 LEWISTOWN MT 59457 UNIVERSAL MANUFACTURING & WELDING HWY 25 S WEBSTER SD 57274 UNIVERSAL RECTIFIERS INC PO Box 1640 ROSENBERG TX 77471 UNIVERSAL SERVICE ADMINISTRATIVE CO DEPT 1259 135 S LASALLE CHICAGO IL 60674-1259 UNIVERSAL SPORTS N COURTS PO BOX 8190 BOZEMAN MT 59773-8190 UNIVERSITY OF COLORADO FOUNDATION PO Box 1140 BOULDER MT 80306 UNIVERSITY OF GREAT FALLS 1301 20TH ST S GREAT FALLS MT 59405-4996 UNIVERSITY OF GREAT FALLS FND 1301 20TH ST S GREAT FALLS MT 59405 UNIVERSITY OF MICHIGAN FOUNDATION PO Box 966 ANN ARBOR MI 48106-0966 UNIVERSITY OF MINNESOTA 321 19TH AVE S No 2210 CSOM MINNEAPOLIS MN 55455-0430 UNIVERSITY OF MINNESOTA FOUNDATION 200 OAK St SE Ste 500 MINNEAPOLIS MN 55455-2010 UNIVERSITY OF MONTANA 32 CAMPUS Dr MISSOULA MT 59812-8496 UNIVERSITY OF MONTANA ADAMS CENTER MISSOULA MT 59812-8496 UNIVERSITY OF MONTANA BLDG 32 CAMPUS DR MISSOULA MT 59812 UNIVERSITY OF MONTANA BUILDING 32 CAMPUS Dr MISSOULA MT 59812 UNIVERSITY OF MONTANA BUREAU OF BUSINESS & ECON RSCH MISSOULA MT 59812 University of Montana PO Box 200135 Helena MT 59620-0135 UNIVERSITY OF MONTANA RESEARCH & SPONSORED PROGRAMS MISSOULA MT 59812 UNIVERSITY OF MONTANA ADAMS CENTER FOOD & BEVERAGE MISSOULA MT 59812 UNIVERSITY OF MONTANA FINANCIAL AID OFFICE MISSOULA MT 59812-2232 UNIVERSITY OF MONTANA FOUNDATION PO Box 7159 MISSOULA MT 59807-7159 UNIVERSITY OF MONTANA FOUNDATION THE UNIVERSITY OF MONTANA MISSOULA MT 59812-0648 UNIVERSITY OF MONTANA HOYT ATHLETIC ATTN: HEATHER ALEXANDER MISSOULA MT 59812 University of Montana Western 710 S Atlantic Dillon MT 59725-3598 UNIVERSITY OF MONTANA WESTERN 710 SOUTH ATLANTIC DILLON MT 59725-3598 University of North Dakota Energy & Environmenta Research Center Darren D Schmidt Research Center University of North Dakota PO Box 9018 GRAND FORKS ND 58202-9018 University of North Dakota Energy & Environmenta OFFICE OF RESEARCH AND PROGRAM Research Center DEVELOPMENT UNIVERSITY OF NORTH DAKOTA PO BOX 7134 GRAND FORKS ND 58202 UNIVERSITY OF NOTRE DAME FND 1100 GRACE HALL NOTRE DAME IN 46556-5612 UNIVERSITY OF SIOUX FALLS 1101 W 22ND St SIOUX FALLS SD 57105-1699 UNIVERSITY OF UTAH FOUNDATION 201 S PRESIDENTS CIR RM 304 SALT LAKE CITY UT 84112 UNIVERSITY PHYSICIANS CLINICS 1400 W 22ND ST 120 SIOUX FALLS SD 57105-1505 UNR ROHN UNR Rohn Inc PO Box 4548 Lafayette IN 47903-4548 UNTEREINERS INC PO Box 38 DIMOCK SD 57331 UNTEREINERS INC PO Box 38 DIMOCK SD 00000 UNTEREINERS INC PO Box 930 PARKSTON SD 57366 UP DATE 134 PEAVEY CIRCLE CHASKA MN 55318 UPONOR ALDYL COMPANY 7901 N KICKAPOO SHAWNEE OK 74801 UPONOR ALDYL COMPANY 7901 NORTH KICKAPOO SHAWNEE OK 74801 UPPER MIDWEST UTIL FLEET COUNC 14601 RAMSEY BLVD RAMSEY MN 55303-0279 UPPER MIDWEST UTILITY FLEET COUNCIL 14601 RAMSEY BLVD RAMSEY MN 55303 UPPER PLAINS CONTRACTING INC PO Box 966 ABERDEEN SD 57402-0966 UPPER YELLOWSTONE ROUNDUP ASSOC PO Box 1 GARDINER MT 59030 UPTILT EMAILABS 1450 VETERAN BLVD No150 REDWOOD CITY CA 94063 UPTOWN BUSINESS ASSOCIATION PO Box 36 MITCHELL SD 57301 UPTOWN CAFE 47 E Broadway ST BUTTE MT 59701-9333 UPTOWN TOASTERS 2260 WEST Dr BUTTE MT 59701 URBAN FIRE PROTECTION 222 S TOWN EAST BLVD MESQUITE TX 75149 URSULINE CENTRE 2300 CENTRAL AVE GREAT FALLS MT 59401 US AIR FORCE 78TH St N GREAT FALLS MT 59402-7539 US Army Corps of Engineers Department of the Army Omaha District Corps of Engineers 6014 US Post Office and Courthouse Omaha NE 68102 US BANCORP 60 LIVINGSTON AVE ST PAUL MN 55107-2292 US BANCORP CARD SERVICES INC PO Box 790408 ST LOUIS MO 63179-0408 US Bancorp Investments c o ADP US BANK CM 9533 ST PAUL MN 55170-9691 US BANK PO Box 790408 ST LOUIS MO 63179-0408 US BANK CORP CM/9581 ST PAUL MN 55170-9581 US BANK MPC NORTHWESTERN GAS PARK & MAIN St BUTTE MT 59701 US BANK MT NATIONAL ASSOC PARK & MAIN StS BUTTE MT 59703-0548 US BEARINGS & DRIVES 3390 HIGHWAY 12 E HELENA MT 59601 US BEARINGS & DRIVES 3390 Hwy 12 East Helena MT 59601 US BEARINGS & DRIVES PO Box 489 Billings MT 59103 US BEARINGS & DRIVES US BEARINGS & DRIVES PO Box 489 Billings MT 59103 US CHAMBER OF COMMERCE PO Box 1200 WASHINGTON DC 20013 US Clearing c o ADP US DEPARTMENT OF LABOR 1640 E CAPITOL AVE BISMARK ND 58501 US DEPARTMENT OF THE INTERIOR PO Box 168 YELLOWSTONE NATIONAL PARK WY 82190-0168 US Dept of Energy Western Area Power Administration PO Box 35800 Billings MT 59107 US DEPT OF INTERIOR BLM 1005 SELWAY Dr DILLON MT 59725 US DEPT OF TRANSPORTATION FAA 6501 LAFAYETTE AVE RIVERDALE MD 20737-1157 US FILTER CORP PO Box 95424 CHICAGO IL 60694 US FILTER DISTRIBUTION GROUP PO Box 99595 CHICAGO IL 60693 US FISH & WILDLIFE SERVICE PO Box 110 LEWISTOWN MT 59457 US FOREST SERVICE 204 W FOLSOM WHITE SULPHUR SPRINGS MT 59654 US GOVERNMENT PRINTING OFC SUPERINTENDANT OF DOCUMENTS PITTSBURGH PA 15250-7975 US HIGH ALTITUDE SPEED SKATING PO Box 3208 BUTTE MT 59701-3208 US POST OFFICE SIOUX FALLS 4801 N 4TH AVE SIOUX FALLS SD 57104 US POSTAL SERVICE 204 3RD AVE N LEWISTOWN MT 59457

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 143 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country US POSTAL SERVICE 215 FIRST Ave N GREAT FALLS MT 59401 US POSTAL SERVICE 350 N MERIDIAN RD KALISPELL MT 59901-9998 US POSTAL SERVICE CMRS PBP CAROL STREAM IL 60132-0566 US POSTAL SERVICE CMRSPB CAROL STREAM IL 60132-0566 US POSTAL SERVICE PO Box 505 CAROL STREAM IL 60132-0505 US POSTMASTER 200 W 5TH AVE MITCHELL SD 57301-9998 US POSTMASTER 2300 N HARRIS HELENA MT 59601 US POSTMASTER 24 E 6TH AVE REDFIELD SD 57469 US POSTMASTER 410 DAKOTA AVE S HURON SD 57350 US POSTMASTER 500 MAIN AVEE BROOKINGS SD 57006-9998 US POSTMASTER 701 DEWEY Blvd BUTTE MT 59701-9999 US POSTMASTER CENTENNIAL STATION BILLINGS MT 59102 US POSTMASTER POSTMASTER ARMOUR SD 57313-9998 US POSTMASTER POSTOFFICE HAVRE MT 59501-9998 US POSTMASTER MISSOULA MISSOULA DIVISION MISSOULA MT 59801 US PUBLISHING 4418 MACARTHUR BLVD NW WASHINGTON DC 20007-2593 US West 15 SW 4th Ave Aberdeen SD 57401 US West 3841 70th St Des Moines IA 50322-3219 US West Atth Assistant Manager Real Estate 3841 70th St Des Moines IA 50322-3219 US WEST COMMUNICATIONS INC 701 N MAIN St 1ST Fl HELENA MT 59601 US West Communications Inc Attn Joint Use Administration 6912 S Quentin St Ste 101 Englewood CO 80112 US WEST COMMUNICATIONS INC CO US WEST BUSINESS RESOURCES INC 2800 WAYZATA BLVD ROOM 350 MINNEAPOLIS MN 55405 USA TODAY PO Box 79002 BALTIMORE MD 21279-0002 USAA Brokerage Services c o ADP USAT PO Box 9334 CHAPEL HILL NC 27515-9334 USAVE FOODS PO BOX 769 NORTH PLATTE NE USCO POWER EQUIPMENT COMPANY PO Box 3722 BUTTE MT 59702-3722

USDA Forest Service USDA Forest Service Northern RegionMichelle Miewald Claims Specialist Financial Resources PO Box 7669 Missoula MT 59807 USDA Forest Service PO Box 60000 SAN FRANCISCO CA 94160-1652 USF Reddaway PO Box 1035 Clackamas OR 97015 USMA PO Box 2932 OLATHE KS 66063 UTAH DEPARTMENT OF COMMERCE PO Box 25125 SALT LAKE CITY UT 84125-0125 Utah Power Attn Bankruptcy Dept PO Box 25308 Salt Lake City UT 84125-0308 UTAH STATE TAX COMMISSION 210 N 1950 W SALT LAKE CITY UT 84134-0100 UTICA WOMANS CLUB HC 81 BOX 78A HOBSON MT 59452 UTICK DEVELOPMENT CO 1150 11TH AVE HELENA MT 59601 UTILIPOINT 4501 INDIAN SCHOOL RD NE ALBUQUERQUE NM 87110 UTILITIES UNDERGROUND LOCATION 3201 1ST Ave S Ste 3 SEATTLE WA 98134 UTILITIES UNDERGROUND LOCATION PO Box 4796 SOUTH COLBY WA 98384-0796 UTILITY COMMUNICATIONS INTL 5525 E GRANDVIEW SCOTTSDALE AZ 85254 UTILITY CONSULTING SERVICES INC 102 W BOWMAN KALISPELL MT 59901 UTILITY CONSULTING SERVICES INC 102 WEST BOWMAN KALISPELL MT 59901 Utility Consulting Services Inc 1998 Great View Dr Kalispell MT 59901 UTILITY ECONOMIC DEVELOPMENT ASSOC 1202 N SHERMAN AVE STE 10 MADISON WI 53704 UTILITY SHAREHOLDERS OF SD 212 E CAPITOL AVE PIERRE SD 57501 UTILITY SOLUTIONS INC 2741 NW LYNCH LANE REDMOND OR 97756 UTILITY SPECIALTIES INC 1150 W STEEL BUTTE MT 59701 UTILITY SPOTLIGHT 501 CHURCH St Ste 300 VIENNA VA 22180 V & M INC 1170 AMENDMENT CIRCLE BILLINGS MT 59105 V 1 PROPANE 1800 N HOLMES Ave IDAHO FALLS ID 83403-2436 V 1 PROPANE PO Box 80228 BILLINGS MT 59108-0228 V J AHLERS CONSTRUCTION INC 913 WESTERN AVE BROOKINGS SD 57006 V&J STUMP REMOVAL 20755 403RD AVE HURON SD 57350 VA MEDICAL CENTER FORT HARRISON FORT HARRISON MT 59636 VAISALA GAI INC 2705 EAST MEDINA Rd TUCSON AZ 85706-7155 VAISALA INC PO Box 850053423 PHILADELPHIA PA 19178-3423 VALCON DISTRIBUTING 50 5TH Ave W N KALISPELL MT 59904-2200 Valerie Burgan 3901 8th Ave S Great Falls MT 59405 Valerie Burgan Richard Martin Linnell Newhall Martin & Schulke PC P O Box 2629 Great Falls MT 59403 Valerie Burgan Valerie Burgan 3901 8th Ave S Great Falls MT 59405 Valerie E Fare 1215 Alspaugh LA Grand Praire TX 75052 Valerie E Fare The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Valerie Marinko PO Box 763 Manhattan MT 59741-0763 VALERIE MIKULA 4624 TIMBERLINE DR SW FARGO ND 58104-6654 VALIER HIGH SCHOOL 804 4TH St VALIER MT 59486 VALIER JUNIOR RIFLE CLUB PO Box 156 VALIER MT 59486-0156 VALIER OPEN PO Box 589 GREAT FALLS MT 59403 VALLEY CHRISTIAN SCHOOL 2526 SUNSET LANE MISSOULA MT 59804 VALLEY COUNTY 4 H 501 COURT SQUARE GLASGOW MT 59230 VALLEY COUNTY 4 H HORSE SHOW HCR 2712181 GLASGOW MT 59230 VALLEY COUNTY CLERK & RECORDER 501 COURT SQUARE BOX 2 GLASGOW MT 59230 VALLEY COUNTY COMBINED CAMPAIGN PO Box 224 GLASGOW MT 59230 VALLEY COUNTY FOOD BANK BOX 9 501 COURT SQE GLASGOW MT 59230

VALLEY COUNTY TREASURER COURTHOUSE PO Box 311 GLASGOW MT 59230

VALLEY COUNTYTREASURER COURTHOUSE PO Box 311 GLASGOW MT 59230 VALLEY DODGE CHRYSLER PLYMOUTH LLC PO Box 1598 Gillette WY 82717-1598 VALLEY ELECTRIC 2820 LATIMER ST MISSOULA MT 59801 VALLEY ELECTRICAL CONTRACTING 2820 LATIMOR ST Ste A MISSOULA MT 59808 VALLEY EXCAVATING & CONSTR 3734 MCHUGH HELENA MT 59602

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 144 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country VALLEY ICE GARDEN MGMT LLC 269 JACKRABBIT LANE BOZEMAN MT 59718 VALLEY IRRIGATION 1029 SLEEPING CHILD RD HAMILTON MT 59840-9771 VALLEY MEDICAL SERVICE INC 2425 HIGHWAY 2 E KALISPELL MT 59901 VALLEY MOTOR SUPPLY COMPANY 2328 N MONTANA AVE HELENA MT 59604 VALLEY MOTOR SUPPLY COMPANY 430 MAIN ST SHELBY MT 59474-0648 VALLEY OFFICE PRODUCTS INC 110 S MAIN MILBANK SD 57252 VALLEY PRESS PO Box 667 PLAINS MT 59859 VALLEY TELCO PO Box 157 HIGHMORE SD 57345-0157 VALLEY TELECOMMUNICATIONS INC PO Box 600 SCOBEY MT 59263-0600 VALLEY TOWING 102 E MEANY PLAINS MT 59859 VALLEY WELDERS & INDUSTRIAL SUPPLY PO Box 30118 BILLINGS MT 59107 VALLEY WELDERS SUPPLY INC 2304 W Broadway MISSOULA MT 59806-3748 VALLEY WELDERS SUPPLY INC 2500 16TH St NE BLACK EAGLE MT 59414-1044 VALLEY WELDERS SUPPLY INC 320 N 11TH ST BILLINGS MT 59103-1599 VALMONT INDUSTRIES INC 7002 North 288th St PO Box 358 Valley NE 68064-0358 VALMONT INDUSTRIES INC 7002 North 288th St PO Box 358 Valley NE 68064-0358 VALMONT INDUSTRIES INC PO Box 91410 CHICAGO IL 60603 VALMONT INDUSTRIES INC POLES DIVISION VALLEY NE 68064-0358 VALMONT MICROFLECT 3575 25TH ST SE SALEM OR 97302-1123 VAN LOCK COMPANY INC 6834 CENTER St CINCINNATI OH 45244 VAN OIL COMPANY PEOE BOX E WHITE SULPHUR SPRINGS MT 59645 VAN RODEN JOHN 1439 LANES END VILLANOVO PA 19085 VAN VLEET PATRICIA 4547 CRESTVIEW DR HURON SD 57350 VANDERHULE MOVING & STORAGE 924 Broadway YANKTON SD 57078 VANDERVEER INDUSTRIAL PLASTICS 515 S MELROSE ST PLACENTIA CA 92870 VANDEVER RICHARD 23470 PARKDALE BEACH Rd FERGUS FALLS MN 56537 VANGUARD INSTRUMENTS CO INC 1710 E GREVILLEA CT ONTARIO CA 91761-8035 VANNS TV & APPLIANCE 3623 BROOKS ST MISSOULA MT 59801-7359 VANS EVERGREEN IGA 1540 13TH St W BILLINGS MT 59102 Vans Incorporated dba Vans Evergreen IGA 1540 13th St W Billings MT 59102 VANTAGESOURCE LLP PO Box 905735 CHARLOTTE NC 28290-5735 VARIABLE ANNUITY LIFE INS CO PO Box 17416 NEWARK NJ 07194 Varsity Contractors Inc 3925 E Manor Ave Post Falls ID 83854 VARSITY CONTRACTORS INC PO Box 15811 BOISE ID 83715 Varsity Contractors Inc PO Box 1692 Pocatello ID 83204 VARTEC TELECOM INC PO Box 11450 MONROE LA 71211-1450 VELOCITY EXPRESS 33529 TREASURY CENTER CHICAGO IL 60694-3500 VEMCO INC 3830 EE TRENT SPOKANE WA 99202 VEMCO INC PO Box 129 BILLINGS MT 59103-0129 VENTURE COMMUNICATIONS COOP PO Box 157 HIGHMORE SD 57345-0157 Venture Communications Cooperative PO Box 157 Highmore SD 57345 VER TECH INC 6801 BLECK DR ROCKFORD MN 55373-5125 VERA BLACK 2129 9TH AVE HELENA MT 59601 VERBANAC JOHN 4425 HELBERG DR HELENA MT 59602 VERIZON 3301 WAYNE TRACE FORT WAYNE IN 46806 VERIZON DIRECTORIES CORP PO Box 619480 D/FW AIRPORT TX 75261-9480 VERIZON ERS 2849 Ficus St Pomona CA 91766-6502 VERIZON ERS 4255 PATRIOT DR Ste 401 GRAPEVINE TX 76051 VERIZON NORTHWEST PAYMENT PROCESS CTR INGLEWOOD CA 90313-0001 VERIZON NORTHWEST PAYMENT PROCESS CTR PO Box 30001 INGLEWOOD CA 90313-0001 VERIZON WIRELESS 180 WASHINGTON VALLEY Rd BEDMINSTER NJ 07921 Verizon Wireless 180 WASHINGTON VALLEY ROAD BEDMINSTER NJ 07921 Verizon Wireless PO Box 489 NEWARK NJ 07101-0489 VERIZON WIRELESS Vincent A Dagostino Esq Lowenstein Sandler PC 65 Livingston Avenue Roseland NJ 07068 VERIZON WIRELESS Vincent A DAgostino Esq Lowenstein Sandler PC 65 Livingston Avenue Roseland NJ 07068 VERIZON WIRELESS BELLEVUE 3350 16 1ST AVE S E BELLEVUE WA 98008 VERIZON WIRELESS BELLEVUE PO Box 2210 INGLEWOOD CA 90313-1221 VERIZON WIRELESS Inc Vincent A D Agostino Esq Lowenstein Sandler PC 65 Livingston Ave Roseland NJ 07068 VERMEER EQUIP OF NEBRASKA INC PO Box 83084 LINCOLN NE 68501 VERMEER EQUIP OF SOUTH DAKOTA PO Box 90029 SIOUX FALLS SD 57109 VERMEER EQUIPMENT OF SOUTH DAKOTA 27108 470TH AVE TEA SD 57064 VERMEER SALES & SERVICE MT 7710 S FRONTAGE RD BILLINGS MT 59101 VERMEIRE GRAPHICS 118 E 7TH St ANACONDA MT 59711 VERMONT DEPARTMENT OF TAXES PO Box 547 MONTPELIER VT 05601-0547 VERMONT SECRETARY OF STATE 109 STATE ST MONTPELIER VT 05609-1104 VERN EIDE MOTORCARS INC PO Box 91010 SIOUX FALLS SD 57109-1010 VERN EVANS MAP SERVICE 705 MOTSIFF RD HELENA MT 59602 VERN MILLER 3157 CANYON FERRY Rd EAST HELENA MT 59635 VERNON GRIFFITHS 18 REDWOOD Dr BUTTE MT 59701 VERTEX INC PO Box 7777 Philadelphia PA 19175-0001 VFW AUXILIARY 901 E 2ND ST REDFIELD SD 57469-1130 VFW POST #1634 PO Box 1304 BILLINGS MT 59103-1304 VFW POST #2252 KALISPELL 111 S MAIN St KALISPELL MT 59901 VI ENGLISH 253 BEVENS CRK RD SHERIDAN MT 59749 Victor A Hoffman 43 Lexington Court Washington Township NJ 07676 Victor A Hoffman The Depository Trust Company 55 Water St 49th Fl New York NY 10041 VICTOR HIGH SCHOOL 425 FOURTH Ave VICTOR MT 59875 VICTOR INSULATORS INC PO Box 99879 CHICAGO IL 60696-7679 VICTORY CHRISTIAN CENTER 3220 11TH AVE S GREAT FALLS MT 59405 VIDEO VENDOR/PHOTOS NOW PO Box 997 PLATTE SD 57369 VIDEO VISIONS PO Box 5033 BOZEMAN MT 59717 Videotronics Inc Box 26 Stickney SD 57375

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 145 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Videotronics Inc Mike Bedsaul Box 26 Stickney SD 57375 Vigilante Electric Cooperative Dave Alberi General Manager 225 E Bannack St PO Box 71 Dillon MT 59725-0071 VIGILANTE ELECTRIC COOPERATIVE INC 225 E BANNACK ST DILLON MT 59725-0071 VIGILANTE ELECTRIC COOPERATIVE INC 225 E BANNACK ST PO Box 71 DILLON MT 59725-0071 Village Cable Inc Terry Thomas Box 8 Redfield SD 57469 Village Cable TV of Lake Andes PO Box 620 Redfield SD 57469 VILLAGE GOLDEN K FOUNDATION PO Box 20203 BILLINGS MT 59104-0203 Village Inn 2408 Cottonwood Rd Grand Island NE 68801-7544 Village of Alda PO Box 100 Alda NE 68810 VILLAGE TRAVEL INC 1709 6TH ST BROOKINGS SD 57006 VINCE LUBBEN 231 LISA CRT TEA SD 57064 VINCENT G EMME 8146 Blaisdell Ave S Bloomington MN 55420 VINCENT G EMME co The Depository Trust Company 55 Water St 49th Fl New York NY 10041 VINCENT G EMME The Depository Trust Company 55 Water St 49th Fl New York NY 10041 VINCENT JURGENS 109 S VIOLA MILANK SD 57252 VINSON & ELKINS 666 5TH AVE FL 26 NEW YORK NY 10103-0040 VINSON CUSTOM CUTTING 3500 14TH Ave S GREAT FALLS MT 59405 VINSON JAMES PO BOX 216 VALIER MT 594860216 Virginia Anne Housum Esq Wells Fargo Bank MN NA 608 2nd Ave S MAC N9303 120 Minneapolis MN 55479 VIRGINIA D ROZUM TRUST MITCHELL SD 57301 VIRGINIA D ROZUM TRUST* 920 W NORWAY APT 306 MITCHELL SD 57301 VIRGINIA DEPARTMENT OF TAXATION PO Box 1500 RICHMOND VA 23218-1500 VIRGINIA DEPARTMENT OF TAXATION PO Box 27264 RICHMOND VA 23218-7624 VIRGINIA DEPT OF TAXATION PO Box 1500 RICHMOND VA 23218-1500 VIRGINIA GOLDEN 445 E KENT AVE MISSOULA MT 59801 VIRGINIA STATE CORPORATION PO Box 85022 RICHMOND VA 23261-5022 VIRGINIA TRANSFORMER CORP 200 GLADVIEW Dr NE ROANOKE VA 24012 VIRGINIA TRANSFORMER CORP 220 GLADE VIEW DR NE ROANOKE VA 24012 Vision Net Inc PO Box 3068 Great Falls MT 59403 Vision Service Plan One Union Square Bldg University St Ste 2004 Seattle WA 98101 VISION SERVICE PLAN PO Box 60000 SAN FRANCISCO CA 94160-3280 VITRAN EXPRESS PO Box 7004 INDIANAPOLIS IN 46207 VIVIAN DELEO 79 ANTELOPE LANE CASCADE MT 59421 Vivid Networks PO Box 81487 Billings MT 59108 VLC INC 2311 S 7TH BOZEMAN MT 59715 VODA ONE PO Box 5799 HICKSVILLE NY 11802 VOGELS SERVICE PO Box 327 FAULKTON SD 57438 VOGTS REPAIR PO Box 478 ARMOUR SD 57313 VOICE DATA SOLUTIONS 8024 GLENWOOD Ave Ste 105 RALEIGH NC 27612 VOICE PRINT INTERNATIONAL INC 800 CALLE PLANO CAMARILLO CA 93012-8557 Voice Print International Inc 800 Calle Plano Camarillo CA 93012 VOLGA CHAMBER OF COMMERCE PO Box 351 VOLGA SD 57071 VOLGA LIONS CLUB PO Box 96 VOLGA SD 57071 VOLGA TRIBUNE PO Box 18 VOLGA SD 57071 VOLUMETRICS HC67 LONETREE MT 82936 VOLUNTEERS OF AMERICA DAKOTAS 1401 W 51ST ST SIOUX FALLS SD 57109-9306 VOSIKA FENCING 14 S DAKOTA ST ABERDEEN SD 57401 VOSS MACHINE & WELDING 1000 UTAH BUTTE MT 59701 VOTE YES SEPTEMBER 10 PO Box 770 SIOUX FALLS SD 57104 VOYAGER OUTBOUND SCHOOL 101 E CHAPMAN ST ELY MN 55731 VRG CONSTRUCTION COMPANY 5655 S Yosemite St Ste 301 Greenwood Village CO 80111-3221 VT COMMUNICATIONS 1121 9TH AVE ROCK VALLEY IA 51247 Vunderplow 3135 Paxson Butte MT 59701 VUNDERPLOW SNOWPLOWING 3135 PAXSON BUTTE MT 59701 VW ICE INC 2003 GARFIELD St MISSOULA MT 59801 W A VACHON & ASSOCIATES INC 25 TAPPAN St MANCHESTER MA 01944 W Paul Schmechel c o Patricia Schmechel 1325 W Platinum Butte MT 59701 W Paul Schmechel c o Patricia Schmeche c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th Street Suite 200 Wilmington DE 19801 W Paul Schmechel c o Patricia Schmeche W Paul Schmechel c o Patricia Schmechel 1325 W Platinum Butte MT 59701 W W GRAINGER 9345 J ST OMAHA NE 68127 W W GRAINGER INC DEPT 064823421383 PALATINE IL 60038-0001 W Y MOBERLY INC PO Box 164 SWEET GRASS MT 59484 W. Paul Schmechel c/o Patricia Schmeche c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellot, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Wachovia Securities c o ADP WADE MCKAY PO Box 15 CHOTEAU MT 59422-0015 Wade Omeyer dba A 1 Sanitation PO Box 5371 Kalispell MT 59901 Wade Omeyer dba A1 Sanitation PO Box 5371 Kalispell MT 59901 WAGNER AMERICAN LEGION 123 2ND SW WAGNER SD 57380 Wagner Building Supply Co 39379 SD Highway 46 Wagner SD 57380 WAGNER CHAMBER OF COMMERCE PO Box 776 WAGNER SD 57380 WAGNER COMMUNITY SCHOOL 101 WALNUT AVE WAGNER SD 57380 WAGNER FOOD CENTER PO Box 578 WAGNER SD 57380 WAGNER MUSIC BOOSTERS 39064 301ST ST WAGNER SD 57380 WAGNER PRINTING 110 FIRST SE WAGNER SD 57380 WAGNER TEENER BASEBALL 108 N MAIN ST WAGNER SD 57380 WAGNERS MECHANICAL INC 1001 CENTRAL AVE BILLINGS MT 59102-5821 WAGON WHEEL TRAILERS 6226 2ND AVE KEARNEY NE 68845 WAGONER MEDICAL GROUP PC 800 ALPHA ST GRAND ISLAND NE 68801 WAL MART PO Box 8042 BENTONVILLE AR 72712-8042 WALES & ASSOCIATES INC 5105 88TH St N E MARYSVILLE WA 98270 WALKER & ASSOCIATES INC PO Box 751578 CHARLOTTE NC 28275 WALKER PADUCAH CORPORATION PO Box 65420 CHARLOTTE NC 28265-0420

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 146 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country WALKERS FLOWER SHOP 334 DAKOTA S HURON SD 57350 WALL STREET UTILITY GROUP 1585 BROADWAY FL 32 NEW YORK NY 10036 WALL STREETCOM PO Box 460310 AURORA CO 80046-0310 Wallace Shugg 236 Ridgeway Rd Baltimore MD 21228 Wallace Shugg The Depository Trust Company 55 Water St 49th Fl New York NY 10041 WALLY HAMMAN PO Box 1011 MILBANK SD 57252 WALLY RICHARDSON 135 SOLITUDE Dr BUTTE MT 59701 WALLYS OVERDOOR COMPANY INC PO Box 100 BLACK EAGLE MT 59414 Wallys Overhead Company PO Box 100 Black Eagle MT 59414 Walmart Store Attn Assistant Director EMS 701 S Walton Blvd Bentonville AR 72716-0154 WALMART STORES #1326 3530 W 13TH GRAND ISLAND NE WALMART STORES #6461 1510 DIERS Ave GRAND ISLAND NE Walmart Stores Inc 1520 3315 SE 6th Ave Aberdeen SD 57401 Walmart Stores Inc 1520 Dept 8702 Construction 701 S Walton Blvd Bentonville AR 72716 WALSH CONSTRUCTION INC 2700 PRINCETON BUTTE MT 59701 Walter Construction HC 72 Box 75 Browning MT 59417-0075 WALTER CONSTRUCTION HC72 BOX 75 BROWNING MT 59417 WALTER ELL 901 E 2ND REDFIELD SD 57469 WALTER MACLAY 949 CASCADE DR SUNNYVALE CA 94087 WALTER T & NORMA M WISCH HC 70 BOX 52 CHINOOK MT 59523-9506 Walter Wiese Route 1 Alda NE 68810 WANETA HAWKINS 720 1/2 N 25TH BILLINGS MT 59101 Wanstratch - Darby PO Box 53 Darby MT 59829-0053 WANT PUBLISHING COMPANY 420 LEXINGTON AVE STE 300 NEW YORK NY 10170 WANT PUBLISHING COMPANY GRAYBAR BLDG GRAND CENTRAL NEW YORK NY 10170 WARBURTON VALVE 6554 S FRONTAGE RD BILLINGS MT 59102 WARD BUTLER APPRIASALS INC PO Box 650 HURON SD 57350 WARDEN PAPER INC 2529 16TH ST NE GREAT FALLS MT 59403-1162 WARDEN PAPER INC 2529 16TH ST NE PO Box 1162 GREAT FALLS MT 59403-1162 Warm Springs State Hospital PO Box 200135 Helena MT 59620-0135 WARMOTH ENTERPRISES PO Box 893 WHITEHALL MT 59759 WARNER COOP ELEVATOR PO BOX 76 WARNER SD 57479-0076 WARNER INDEPENDENT SCHOOL BOX 20 WARNER SD WARNER INDUSTRIAL SUPPLY PO Box 1450 MINNEAPOLIS MN 55485-9458 WARNES APPLIANCE AND VIDEO PO Box 21 DESMET SD 57231 Warren B Jones 2317 Elm Street Billings MT 59101 Warren B Jones c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Warren B Jones Warren B Jones 2317 Elm Street Billings MT 59101 Warren B. Jones c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellot, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Warren F Vaughan c o Ronald S Gellert Esquire Eckert Seamans Cherin & Mellot LLC 4 East 8th Street Suite 200 Wilmington DE 19801 Warren F Vaughan PO Box 761 Whitefish MT 59937 Warren F Vaughan Warren F Vaughan PO Box 761 Whitefish MT 59937 WARREN F VAUGHN PO Box 1316 BILLINGS MT 59103-1316 Warren F. Vaughan c/o Ronald S. Gellert, Esquire Eckert Seamans, Cherin, & Mellot, LLC 4 East 8th Street Suite 200 Wilmington DE 19801 WARREN JONES 2317 ELM St BILLINGS MT 59101 Warren Soberg Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 WARREN TRANSPORT INC PO Box 22745 BILLINGS MT 59104 WASH A WAY 101 N CENTRAL CUT BANK MT 59427 WASHER SPECIALTIES CO PO Box 3268 WICHITA KS 67201 WASHINGTON FEDERAL SAVINGS CUST 2196 E CAMELBACK Rd Ste 100 PHOENIX AZ 58016

WASHINGTON FORESTRY CONSULTANTS INC 1919 YELM HWY SE OLYMPIA WA 98501 WASHINGTON GROUP PO Box 529 HARDIN MT 59034 WASHINGTON GROUP INTERNATIONAL INC 10900 NE 8TH St Ste 500 BELLEVUE WA 98004-4405 WASHINGTON PAVILION 301 S MAIN ST SIOUX FALLS SD 57101 WASTE MANAGEMENT OF DADE CTY PO Box 9001517 LOUISVILLE KY 40290-1517 WASTE MANAGEMENT OF HURON c o Waste Management Inc 1001 Fannin Ste 4000 Houston TX 77002 WASTE MANAGEMENT OF HURON PO Box 78251 PHOENIX AZ 85062-8251 WASTE OIL FURNACE SERVICE PO Box 370 LEONARD ND 58052 WATER & ENVIRONMENTAL 1485 CONTINENTAL Dr BUTTE MT 59701 Water & Environmental Technologies LLC 305 W Mercury St Butte MT 59701 WATER SPECIALTIES 603 W MAIN LAUREL MT 59044 WATER WORKS PLUMBING CONTRACTORS 120 EE 3RD STE GRAND ISLAND NE 68801 WATERTOWN WINNELSON CO 620 11TH AVE SE WATERTOWN SD 57201-5233 WATKINS SHEPARD TRUCKING PO Box 5328 MISSOULA MT 59806 WATSON WYATT DATA SERVICES 218 ROUTE 17 N ROCHELLE PARK NJ 07662 WAV EVANS 620 CENTRAL Ave GREAT FALLS MT 59401 WAYNE & JANETTE GRONVOLD 55 W GRANITE BUTTE MT 59701 Wayne A Surat Jr 903 S Newcomb Ave Apt 106 Sioux Falls SD 57106 WAYNE D AND JANETTE K GRONVOLD 55 E GRANITE BUTTE MT 59701 WAYNE DYKSTRA PO Box 506 THOMPSON FALLS MT 59873 Wayne Gibbs 2223 South 13th St Council Bluffs IA 51501 Wayne Gibbs The Depository Trust Company 55 Water St 49th Fl New York NY 10041 WAYNE HOFER 2141 OLD HWY 14 W HURON SD 57350 Wayne Hummer Investments LLC c o ADP Wayne J Forbes 1310 Shoreway Rd Storm Lake IA 50588 WAYNE S HEATH 11699 GOOCH HILL RD GALLATIN GATEWAY MT 59730 Wayne S Heath dba Frontier Construction 11699 Gooch Hill Rd Gallatin Gateway MT 59730 WAYRYNEN & LIVELY REPORTING SV 1940 DEWEY BLVD BUTTE MT 59701 WB CONSTRUCTION PO Box 1444 CHOTEAU MT 59422 WD ENERGY SERVICES INC 950 17TH St Ste 2600 DENVER CO 80202 WD ENERGY SERVICES INC PO Box 730024 DALLAS TX 75373-0024

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 147 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Weatherbank Inc 1015 Waterwood Parkway Ste J Edmond OK 73034 WEATHERBANK INC 1015 WATERWOOD PKWY STE J EDMOND OK 73034 WeatherBank Inc Attn Mr Steven A Root PresidentCEO 1015 Waterwood Pkwy Ste J Edmond OK 73034 WEATHERFORD PO Box 1736 WILLISTON ND 58801 WEATHERFORD COMPLETION SYSTEMS PO Box 60690 MIDLAND TX 79711 Weatherford International Inc 515 Post Oak Blvd Ste 600 Houston TX 77027 WEBER EQUIPMENT 1109 S HWY 37 PARKSTON SD 57366 WEBER SANITATION SERVICE 1006 S BEN PARKSTON SD 57366 WEBSTER AFTER PROM PARTY 809 W 7TH ST WEBSTER SD 57274 WEBSTER AREA CHAMBER COMMERCE 611 MAIN St WEBSTER SD 57274 WEBSTER AREA DEVELOPMENT CORP PO Box 6 WEBSTER SD 57274 WEBSTER ASSOCIATES INC PO Box 966 ENGLEWOOD CO 80151 WEBSTER BEARCAT BOOSTERS 220 W 6TH AVE WEBSTER SD 57274 WEBSTER FIRE DEPT PO Box 203 WEBSTER SD 57274 WEBSTER HIGH SCHOOL 1 E 8H AVE WEBSTER SD 57274 WEBSTER ROBERT 2850 BLACKTAIL LOOP BUTTE MT 597017129 WEBSTER SCALE INC 14012 SD HWY 25 WEBSTER SD 57274-0127 WEBSTER SCHOOL 102 E 9TH AVE WEBSTER SD 57274 WEBSTER TIRE STORE 17 E 6th Ave WEBSTER SD 57274-1426 WECC University of Utah Research Park 615 Arapeen Dr Ste 210 Salt Lake City UT 84108-1253 Wedbush Morgan Securities Inc c o ADP WEEL PO Box 7772 MISSOULA MT 59807 WEIDENAAR RANCHES INC 4670 AMSTERDAM Rd MANHATTAN MT 59741 Weidenbach Construction PO Box 646 Parkston SD 57366 WEIDENBACH CONSTRUCTION CO PO Box 696 PARKSTON SD 57366 WEIDMANN ACTI INC PO Box 32714 HARTFORD CT 06150 Weil Gotshal & Manges LLP 767 Fifth Ave Attn Gary Ticoll Esq New York NY 10153 Weil Gotshal & Manges LLP Weil Gotsha; & Manges LLP Attn Gary Ticoll Esq 767 Fifth Avenue New York NY 10153 WEISMANTEL RENT ALL & STOR ALL 109 8TH AVE NW ABERDEEN SD 57401 WEISS CHRIS P AN DEN HUBERTSHAUSERN 21 BERLIN 14129 Germany WEISSERS HEATING & 612 S LANGDON MITCHELL SD 57301 WEITZEL SIGNS PO Box 3617 BUTTE MT 59702 WELD TECH PO Box 909 BONNER MT 59823 WELDING SERVICES PO Box 4362 BUTTE MT 59701-4362 WELFL CONSTRUCTION CO 800 W 23RD ST YANKTON SD 57078-0060 WELLCO INC DBA: ZEE MEDICAL SERVICE MISSOULA MT 59806 WELLESLEY INFORMATION SERVICES 990 WASHINGTON St Ste 308 DEDHAM MA 02026 WELLMARK BCBS OF SD 1601 W MADISON SIOUX FALLS SD 57104 WELLMARK BCBS OF SOUTH DAKOTA 1601 W MADISON SIOUX FALLS SD 57104 WELLMARK INC PO Box 9273 DES MOINES IA 50306-9273 Wells Fargo c o ADP WELLS FARGO BANK PO Box 1450 MINNEAPOLIS MN 55485 WELLS FARGO BANK WF 8113 MINNEAPOLIS MN 55485-8113 Wells Fargo Bank N A 1740 Broadway MAC C7301 037 Denver CO 80274

Wells Fargo Bank Minnesota National Association Shareowner Services Attn Northwestern Corp Account Manager 161 N Concord Exchange South St Paul MN 55075

Wells Fargo Bank Minnesota National Association Wells Fargo Shareowner Services Attn Account Manager 161 N Concord Exchange South St Paul MN 55075 Wells Fargo Bank Minnesota National Association In Its Capacity as Indenture Trustee Katherine A Constantine Dorsey &Whitney LLP 50 South Sixth Street Suite 1500 Minneapolis MN 55402-1498 Wells Fargo Bank Minnesota National Association In Its Capacity as Indenture Trustee Lisa A Miller VP Wells Fargo Bank MN NA 608 2nd Ave S MAC N9303 120 Minneapolis MN 55479 Wells Fargo Bank Minnesota National Association In Its Capacity As Indenture Trustee And Collateral Agent Katherine A Constantine Dorsey & Whitney LLP 50 S Sixth St Suite 1500 Minneapolis MN 55402-1498 Wells Fargo Bank Minnesota National Association In Its Capacity As Indenture Trustee And Collateral Agent Virginia Anne Housum Esq Wells Fargo Bank MN NA 608 2nd Ave S MAC N9303 120 Minneapolis MN 55479 WELLS FARGO BANK MONTANA NA PO Box 597 HELENA MT 59624 c o Montgomery McCracken Walker & Wells Fargo Bank NA Rhoads LLP 300 Delaware Ave Ste 750 Wilmington DE 19801 c o Montgomery McCracken Walker & Wells Fargo Bank NA Rhoads LLP 300 Delaware Avenue Suite 750 Wilmington DE 19801 c o Montgomery McCracken Walker & Wells Fargo Bank NA Rhoads LLP 300 Delaware Avenue Suite 750 Wilmington DE 19801 Wells Fargo Bank NA Nancy Tadros 733 Marquette Ave 5th Floor Minneapolis MN 55479 Wells Fargo Bank NA Nancy Tadros Reorg Specialist 733 Marquette Ave 5th Floor Minneapolis MN 55479 WELLS FARGO BANK SD NA 4811 N 4TH AVE SIOUX FALLS SD 57104 WELLS FARGO BANK SOUTH DAKOTA 4811 N 4TH AVE SIOUX FALLS SD 57104 WELLS FARGO BANK SOUTH DAKOTA PO Box 5128 SIOUX FALLS SD 57117-5128 WELLS FARGO BANKS NW 7091 MINNEAPOLIS MN 55485 WELLS FARGO CARD SERVICES 125 SE DAKOTA AVE SIOUX FALLS SD 57104 WELLS FARGO CORPORATE CARD PO Box 6415 Carol Stream IL 60197-6415 WELLS FARGO HOME MORTGAGE INC 405 SW 5TH ST DES MOINES IA 50328

Wells Fargo Investments Private Client Services Attn Marguerite M Schoepp 20 North Maple PO Box 550 Watertown SD 57201-0550 Wells Fargo Investments The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Wells Fargo Investments LLC 161 N Concord Exchange South St Paul MN 55075 Wells Fargo Investments LLC c o ADP Wells Fargo Merchant Service LLC Attn Sue Montgomery 1 Western Maryland Pkwy Hagerstown MD 21740 WELLS FARGO SHAROWNER SERVICES PO Box 64875 ST PAUL MN 55164-0875 Wells P Richards 2431 Angel Ct Gulf Breeze FL 32563

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 148 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Wells Richards Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Wells Richards Wells P Richards 2431 Angel Ct Gulf Breeze FL 32563 Wendell F & Shirley J Zumkehr 2210 W Wayne St Lima Ohio 45805-2124 Wendell F Zumkehr 2210 W Wayne Street Lima OH 45805-2124 Wendell Wood PO Box 100 North Platte NE 69103 WENDT KOCHMAN 615 2ND Ave N GREAT FALLS MT 59403-2129 Wendt Kochman Don Seirdo 615 2nd Ave N Great Falls MT 59401 Wendt Kochman PO Box 2129 Great Falls MT 59404 Wendy Geffin TTEE 422 2ND ST APT 4 BROOKLYN NY 11215 WENDYS 1808 S LOCUST GRAND ISLAND NE WENDYS 2501 Broadway ST YANKTON SD 57078 WENK FOODS BOX 368 MADISON SD 57042 WENK FOODS BOX 368 MADISON SD WENKS PRODUCE INC BOX 368 MADISON SD 57042 WERKMEISTER WELDING & REPAIR PO Box 607 ARMOUR SD 57313-0607 Werkmeister Welding LLC PO Box 607 Armour SD 57313 WESCO 2501 E 3RD SIOUX CITY IA 51101 WESCO 949 S MONTANA ST BUTTE MT 59702-3027 Wesco 949 SE Montana St Butte MT 59702-3027 WESCO DISTRIBUTION INC PO Box 96822 CHICAGO IL 60693-6822 WESSINGTON DIRECTORY 410 WESSINGTON ST S WESSINGTON SD 57381 WESSINGTON POST PROM COMMITTEE 37250 206TH ST WESSINGTON SD 57381 WESSINGTON SPRINGS PO Box 385 WESSINGTON SPRINGS SD 57382

WEST CENTRAL NEBRASKA HOME BUILDERS PO Box 247 KEARNEY SD 68848-0247 WEST COAST COLONIAL HOTEL 2301 COLONIAL Dr HELENA MT 59601 West Congregation of Jehovahs 17719 W Dreamview Ct Brooklyn WI 53521-9662 WEST ELECTRIC INC 1310 MT HIGHWAY 91 N DILLON MT 59725-9515 WEST END SAND & GRAVEL 6848 NEIBAUER Rd BILLINGS MT 59106 WEST GROUP PO Box 64833 ST PAUL MN 55164-0833 West Plains Home 1902 North Dakota St Aberdeen SD 57401 West Plains Home Attn Peggy Pfaff 1902 North Dakota St Aberdeen SD 57401 WEST RIVER INDUSTRIES INC 3724 30TH Ave NW MANDAN ND 58554 West Side Launder 1603 SW 6th Ave Aberdeen SD 57401 WEST TECH SUPPLY AND SERVICES PO Box 80711 BILLINGS MT 59108 WEST VIRGINIA DEPT OF REVENUE PO BOX 3694 CHARLESTON WV 25336-3694 WEST VIRGINIA DEPT OF TAX PO Box 1985 CHARLESTON WV 25327-1985 WEST VIRGINIA DEPT TAX AND REVENUE PO Box 3784 CHARLESTON WV 25337-3784 WEST VIRGINIA SEC OF STATE 1900 KANAWHA BLVD E CHARLESTON WV 25305-0770 WEST VIRGINIA TAX DEPARTMENT PO Box 2666 CHARLESTON WV 25330-2666 WESTCHESTER COUNTY AIRPORT PO Box 6017 MOUNT VERNON NY 10558 Westchester Fire Insurance Company Pacific Employers Insurance Company Insurance Company of North America Indemnity Insurance c o Robert McL Boote Esquire Ballard Spahr Andrews & Ingersoll LLP 1735 Market Street 51st Floor Philadelphia PA 19103-7599 Westcoast Gas Services #1100 421 7th Ave SW Calgary AB T2P 3Y7 Canada Westcoast Gas Services #1100 421 7th Ave SW Calgary AB T2P 4K9 Canada WestCoast Gas Services America Inc 7th Ave SW STE 1100 Calgary AB T2P 4K9 Canada WESTCOTT CONSTRUCTION CO INC PO Box 237 HOLABIRD SD 57540 WESTERN AREA POWER 3402CODEA GOLDEN CO 80401 WESTERN AREA POWER PO Box 60000 SAN FRANCISCO CA 94160-1587 WESTERN AREA POWER ADMIN PO Box 35800 BILLINGS MT 59107 Western Area Power Administration Operations Manager PO Box 790 Watertown SD 57201-0790 Western Area Power Administration PO Box 35800 Billings MT 59107 WESTERN AREA POWER ADMINISTRATION PO Box 60000 SAN FRANCISCO CA 94160-1587 WESTERN AREA POWER ADMINISTRATION PO BOX EGY BILLINGS MT 59101 Western Area Power Administration Upper Great Plains Region PO Box 35800 Billings MT 59107-5800 Western Area Power Administration Operations Manager PO Box 790 Watertown SD 57201 WESTERN ASSOCIATES INC 124 E MAIN MARION KS 66861-0297 WESTERN BAR PO Box 322 AUGUSTA MT 59410 WESTERN BUSINESS PO Box 31238 BILLINGS MT 59107-1238 WESTERN COMMERCIAL PRINTING 4005 S WESTERN AVE SIOUX FALLS SD 57117-5184 WESTERN CONFERENCE OF TEAMSTERS DEPARTMENT NOE 572 DENVER CO 80271-0001 WESTERN DOOR COMPANY 2901 W Broadway MISSOULA MT 59808 WESTERN ELECTRICITY COORDINATING 615 ARAPEEN Dr Ste 210 SALT LAKE CITY UT 84108 WESTERN ENERGY PO Box 99 COLSTRIP MT 59323 WESTERN ENERGY COMPANY 2 N Cascade Ave 14th F Attn Ray Gardner Colorado Springs CO 80903 Western Energy Company Attn VP and GM of MT and WY Operations 115 N Broadway PO Box 1899 Billings MT 59103 Western Energy Company A Westmoreland Mining LLC Compan PO Box 99 Colstrip MT 59323 WESTERN ENERGY INSTITUTE 827 NE OREGON St STE 200 PORTLAND OR 97232-2108 WESTERN ENGINEERING CO INC PO Box 350 HARLAN IA 51537 WESTERN ENVIRONMENTAL TRADE ASSOC 2301 Colonial Dr Ste 2A HELENA MT 59601-4995 WESTERN FINANCE & LEASE 420 COLLEGE Dr S DEVILS LAKE ND 58301 WESTERN FINANCE & LEASE 420 COLLEGE Dr SOUTH PO Box 640 DEVILS LAKE ND 58301 WESTERN GAS MEASUREMENT SHORT 555 W FIFTH St LOS ANGELES CA 90013-1011 WESTERN LAMPAC 825 NE MULTNOMAH Ste 1700 PORTLAND OR 97232 WESTERN LUMBER & SUPPLY CO US HIGHWAY 2 W CHESTER MT 59522 WESTERN MATERIALS INC PO Box 579 NORTH PLATTE NE 69103 WESTERN MILLWORK 412 NE Railroad Ave MANHATTAN MT 59741-0159 WESTERN MONTANA CLINIC PO Box 31375 BILLINGS MT 59107-1375 WESTERN MONTANA COLLEGE 710 S ATLANTIC DILLON MT 59725-3598

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CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country Western Montana Engineering 602 S Crystal Butte MT 59701 WESTERN MONTANA ENGINEERING INC 1527 S RUSSELL ST MISSOULA MT 59801-3629 WESTERN MONTANA ENGINEERING INC 602 S CRYSTAL BUTTE MT 59701 WESTERN MONTANA PUBLISHING GROUP PO Box 8029 MISSOULA MT 59807-8029 WESTERN MONTANA SIGNS & LIGHTING 5825 PRIMROSE DR MISSOULA MT 59802 Western Mt Publishing Group Attn Tracy Acheson PO Box 8029 Mssoula MT 59807 WESTERN NEON INC PO Box 1416 KALISPELL MT 59901 WESTERN NEWS PO Box 1377 LIBBY MT 59923 WESTERN PLAINS MACHINERY CO 1215 38TH ST N GREAT FALLS MT 59405 WESTERN PLAINS MACHINERY CO 1728 OLD HARDIN RD BILLINGS MT 59107-0438 WESTERN PLAINS MACHINERY CO 1728 OLD HARDIN RD PO Box 30438 BILLINGS MT 59107-0438 WESTERN PLUMBING PO Box 1075 BOZEMAN MT 59715 WESTERN PRINTING COMPANIES 701 ENTERPRISE ST N ABERDEEN SD 57401 WESTERN PRINTING COMPANY PO Box 1276 ABERDEEN SD 57402-1276 WESTERN RENDEZVOUS OF ART PO Box 272 HELENA MT 59624 Western Sign 1414 Havre Hwy Black Eagle MT 59414 Western States Abatement Inc PO Box 16105 Missoula MT 59808-6105 WESTERN STATES EQUIPMENT COMPANY PO Box 5508 MISSOULA MT 59806-5508 WESTERN STATES FIRE PROTECTION 7026 S TUCSON WAY ENGLEWOOD CO 80112 WESTERN STATES INSURANCE PO Box 1800 HAMILTON MT 59840 WESTERN TELECOMMUNICATIONS INC 183 INVERNESS DR W ENGLEWOOD CO 80112-5201 Western Telephone Company PO Box 128 FAULKTON SD 57438-0128 WESTERN TEXTILE & MFG CO INC 51 JOSEPH COURT SAN RAFAEL CA 94903-2661 WESTERN UTILITIES LABOR RELATIONS PO Box 52025 PHOENIX AZ 85072 Westmoreland 2 North Cascade Ave 14th F Colorado Springs CO 80903 WESTMORELAND RESOURCES INC FIRST INTERSTATE CENTER Ste 1620 401 N 31ST St PO BOX 7078 BILLINGS MT 59103 WESTSIDE INC PO Box 368 PLATTE SD 57369 WESTSIDE LITTLE LEAGUE PO Box 266 GREAT FALLS MT 59403 WESTWARD HO COUNTRY CLUB PO Box 1889 SIOUX FALLS SD 57101 WESTWAY TRAILERS PO Box 476 HURON SD 57350 WETENKAMP UTILITY SALES INC No302 11506 MAASS RD BELLEVUE NE 68123 WETLAND TRAINING INSTITUTE PO Box 31 GLENWOOD NM 88039 WETONAS COFFEEHOUSE & DELI 2214 AMHERST AVE BUTTE MT 59701 WF AUTO EXCHANGE LLC PO Box 11983 SANTA ANA CA 92711 WGM GROUP INC 3021 PALMER MISSOULA MT 59808-6027 WGM Group Inc PO Box 16027 Missoula MT 59808-6027 WH INTERNATIONAL RESPONSE CENT PO Box 330 ROCKFORD MN 55373 WHALEN TIRE BUTTE #3 101 EE PARK STE BUTTE MT 59701 WHALEN TIRE INC 904 S UTAH AVE BUTTE MT 59701-2688 WHAT DREAMS MAY BECOME PO Box 4434 HELENA MT 59604 WHATCOM SKAGIT CRANE SERVICE INC 2123 E BAKERVIEW RD BELLINGHAM WA 98226 WHATS COOKIN 2108 AVALON RD BILLINGS MT 59102 WHEAT GROWERS PO Box 1460 ABERDEEN SD 57402-1460 WHEATLAND COUNTY CLERK & RECORDER PO Box 1903 HARLOWTON MT 59036 WHEATLAND COUNTY TREASURER COURTHOUSE HARLOWTON MT 59036 WHEATLAND IMPLEMENT & REPAIR PO Box 703 HARLOWTON MT 59036 WHEELDONS REPAIR 111 1ST ST S BROOKINGS SD 57006-0844 WHEELERS INC 175 DAKOTA S HURON SD 57350 WHEELERS RETAIL STORE PO BOX E GRAND ISLAND NE WHEELWRIGHT PRESS LTD 1836 SUNNYSIDE Ave SALT LAKE CITY UT 84108 Whetstone Valley Electric E Highway 12 Milbank SD

WHETSTONE VALLEY ELECTRIC COOPERATI PO Box 512 MILBANK SD 57252-0512 White & Case LLP 1155 Avenue of the Americas Attn Evan C Hollander Esq New York NY 10036 WHITE & CASE LLP GENERAL POST OFFICE NEW YORK NY 10087-5959 WHITE HOUSE INN 12755 406TH AVE GROTON SD 57445 White House Inn 500 SW 6th Ave Aberdeen SD 57401 WHITE LAKE COMM CLUB PO Box 224 WHITE LAKE SD 57383 WHITE LAKE COMMERCIAL CLUB 410 W RR N WHITE LAKE SD 57383 WHITE LAKE GRAIN & FEED PO Box 125 WHITE LAKE SD 57383 WHITEFISH AREA CHM OF COMMERCE PO Box 1120 WHITEFISH MT 59937-1120 WHITEFISH CHAMBER OF COMMERCE PO Box 1120 WHITEFISH MT 59937 WHITEFISH HIGH SCHOOL 600 E 2ND ST WHITEFISH MT 59937 WHITEFISH PILOT PO Box 488 WHITEFISH MT 59937 WHITEFISH ROTARY CLUB PO Box 1845 WHITEFISH MT 59937 WHITEFISH SOFTBALL ASSOCIATION PO Box 752 WHITEFISH MT 59937 WHITEHALL HIGH SCHOOL PO Box 1109 WHITEHALL MT 59759 WHITEHALL SALES ASSOCIATES 165 MAYFLOWER WHITEHALL MT 59759 WHITESIDE & ASSOCIATES 3203 3RD AVE N Ste 301 MTN BLDG BILLINGS MT 59101-1904 WHITESIDE & ASSOCIATES 3203 THIRD Ave N BILLINGS MT 59101 WHITEWOOD TRANSPORTATION PO Box 30553 BILLINGS MT 59107-0553 WHITMAN REQUARDT & ASSOCIATES 801 S CAROLINE ST BALTIMORE MD 21231 Whitt Construction PO Box 233 Kevin MT 59454 WHITT CONSTRUCTION COMPANY PO Box 233 KEVIN MT 59454 WHOLESALE ELECTRONICS INC PO Box 1011 MITCHELL SD 57301 WHOLESALE SUPPLY COMPANY INC 212 LINN ST YANKTON SD 57078 WI SCTF PO Box 74400 MILWAUKEE WI 53274-0400 WICC LTD 119 MULLER Rd WASHINGTON IL 61571 WICKLIFF & HALL 1000 LOUISIANA STE 5400 HOUSTON TX 77002-5013 WIEDERRICH PO Box 21 SIOUX FALLS SD 57101-0021 WIEGAND SECURITY SERVICE PO Box 1476 KEARNEY NE 68848 WILCOXSONS INC PO Box 1057 LIVINGSTON MT 59047

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 150 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country WILD ROSE OF MONTANA PO Box 6454 HELENA MT 59604 WILD WATER WEST WATERPARK 26767 466TH AVE SIOUX FALLS SD 57106 WILDCAT RANCH LLP 99 GIBSON FLAT RD GREAT FALLS MT 59405 WILDWOOD LANDSCAPING INC PO Box 160322 BIG SKY MT 59716 WILDWOOD LANDSCAPING INC PO Box 160322 BIG SKY MT 59716 Wildwood Landscaping Inc PO Box 322 Big Sky MT 59716 WILHELM FLOWER SHOPPE COMPANY 135 W Broadway BUTTE MT 59701 WILKE DONOVANS TRUE VALUE 1314 E 25TH ST KEARNEY NE 68847 WILLAIM St RR 2 BOX 535 MILBANK SD 57252-9318 WILLAIMS FLOWER COMPANY 211 S LOCUST GRAND ISLAND NE WILLARDS GARAGE 1305 Broadwater AVE BILLINGS MT 59102 WILLARDS TW HARDWARE 308 3RD AVE S CLEAR LAKE SD 57226 WILLIAM & MARIANNE PECK 129 YELLOWSTONE TRAIL WHITEHALL MT 59759 William A Drechsler 352 Saddler Rd Bay Village OH 44140-01173 WILLIAM BALL 7218 E HORIZON WAY PRESCOTT VALLEY AZ 86314 William Craig 2288 Holbrook Drive Newburgh IN 47630 WILLIAM D CRAIG 2288 HOLBROOK Dr NEW BURGH IN 47630 WILLIAM E KLATT CERTIFIED PUBLIC ACCOUNTANT WEST YELLOWSTONE MT 59758 WILLIAM LAUDATO 21 VALLEY Dr BOZEMAN MT 59718 WILLIAM M MERCER INC 21633 NETWORK PLACE CHICAGO IL 60673-1216 WILLIAM M MERCER INC SOCIAL SECURITY DEPARTMENT LOUISVILLE KY 40202 WILLIAM M SOLEM & ELLEN G SOLEM PO Box 248 CHINOOK MT 59523 William M. Bramlette Jr 1165 Autumn Breeze Cir Gulf Breeze FL 32563-6717 WILLIAM R & DEBORAH L HITT 120 GEM St HELENA MT 59601 William R Lane Construction Inc PO Box 56 Toston MT 59643 William R Lochow 19011 Mayberry Dr Castro Valley CA 94546-3050 William R Lochow The Depository Trust Company 55 Water St 49th Fl New York NY 10041 WILLIAM R MARSH AND USAA PO Box 33490 SAN ANTONIO TX 78265-4900 WILLIAM RALPH 108 RAMPART Dr BUTTE MT 59701 WILLIAMS & ASSOCIATES LLC 18712 SHREMOR DR DERWOOD MD 20855 WILLIAMS FEED INC 235 N IDAHO DILLON MT 59725 WILLIAMS INVESTIGATION PO Box 1609 EAST HELENA MT 59635 WILLIAMS PLUMBING & HEATING & UTIL 213 INDUSTRIAL Dr BOZEMAN MT 50715 WILLIAMS SCOTSMAN INC PO Box 91975 CHICAGO IL 60693-1975 WILLIAMSON FENCING & SPRINC 1325 CENTRAL Ave W GREAT FALLS MT 59404 Williamson Fencing & Sprinklers Inc 1325 Central Ave W Great Falls MT 59404 WILLINET INTERNET SERVICES PO Box 9400 SIOUX CITY IA 51102-9400 WILLIS GARY 236 GREENWOOD DR HELENA MT 596010343 WILLISTON BASIN INTERSTATE PIPELINE COMPANY TRANSPORTATION DEPT 200 N THIRD St Ste 300 BISMARCK ND 58501 WILLISTON BASIN NACE SECTION 121 E GRIFFIN BOZEMAN MT 59715 WILLOW CREEK HIGH SCHOOL PO Box 189 WILLOW CREEK MT 59760 WILLOW LAKE AFTER PROM COMMITTEE RR1 WILLOW LAKE SD 57278 WILLS CATTLE COMPANY STAR ROUTE BOX 195 BONNER MT 59823 Wilmington Trust Company Attn Patricia Evans VP Trustee of Natural Gas Transition Bonds 100 N Market St Wilmington DE 19890 WILMINGTON TRUST COMPANY Attn Sandra R Ortiz 1100 N MARKET St WILMINGTON DE 19890 WILMINGTON TRUST COMPANY Attn Sandra R Ortiz 1100 N MARKET St WILMINGTON DE 19890 Wilmington Trust Company Attn: James PE Lawler VP Trustee of Natural Gas Transition Bonds 100 N Market St Wilmington DE 19890 Wilmington Trust Company Attn: Patricia Evans VP Indenture Trustee of 7E2% due 2038 100 N Market St Wilmington DE 19890 Wilmington Trust Company Attn: Patricia Evans VP Indenture Trustee of 8E1% due 2032 100 N Market St Wilmington DE 19890 Wilmington Trust Company Attn: Patricia Evans VP Indenture Trustee of 8E125% due 2025 100 N Market St Wilmington DE 19890 Wilmington Trust Company Attn: Patricia Evans VP Indenture Trustee of 8E25% due 2031 100 N Market St Wilmington DE 19890 Wilmington Trust Company Corporate Trust Administration 1100 N Market Street Wilmington DE 19890 WILMINGTON TRUST COMPANY PO Box 8955 WILMINGTON DE 19899-8955 Wilmington Trust Company both in its individua capacity as Issuer Trustee Delaware Trustee and Independent Trustee Attn Michael G Oller Jr 1100 N Market Street Wilmington DE 19890-6410 Wilmington Trust Company Corporate Trust Administration Rodney Square North 1100 N Market St Wilmington DE 19890-0001 WILRAY MFG INC PO Box 396 FORT BENTON MT 59442-0396 WILSON BROTHERS READY MIX PO Box 782 Valley City ND 58072-0782 WILSON CONRETE 3200 W BACHMAN GRAND ISLAND NE Wilson Dolde 13827 Blenhein Ridge San Antonio TX 78231 Wilson Dolde Leslie Beth Baskin Esquire Spector Gadon & Rosen PC 1635 Market Street 7th Floor Philadelphia PA 19103 Wilson Dolde Wilson Dolde 13827 Blenhein Ridge San Antonio TX 78231 WILSON SUPPLY COMPANY INC 152 N DURBIN STE 200 CASPER WY 82601 WILSON SUPPLY COMPANY INC PO Box 1492 Houston TX 77251 WILSON SUPPLY COMPANY INC PO Box 1492 Houston TX 77251 WILSON TRAILER CO 2314 E HIGHWAY 30 GRAND ISLAND NE 68803 Wilsons Motor Mart 1109 N Minnesota Ave Sioux Falls SD 57104 WILSONS TRUE VALUE PO Box 122 ARMOUR SD 57313 WINDPARK SOLUTIONS AMERICA LLC 33 KAMUT LANE BIG SANDY MT 59520-8218 WINDSHIELD DOCTOR 6 MEADOWLARK ESTATES HAVRE MT 59501 WING SEALE CO PO Box 5074 GRAND ISLAND NE 68802-5074 WINGATE INN 2305 CATRON St BOZEMAN MT 59715 WINGS KALISPELL 310 SUNNYVIEW LANE KALISPELL MT 59901 Winifred W Gwinn & Jeanne G Hanna Jt Ten 3028 Cheyenne Blvd Sioux City IA 51104 Winifred W Gwinn & Jeanne G Hanna Jt Ten The Depository Trust Company 55 Water St 49th Fl New York NY 10041 WINNERS CIRCLE SPEAKER BUREAU 6602 LAFAYETTE Rd Ste 130 WATERLOO IA 50701-9160 WINPOWER WEST 1710 1ST Ave N BILLINGS MT 59101 WINTON PRODUCTS CO PO Box 36332 CHARLOTTE NC 28236 WIP SERVICES 2401 BROOKS MISSOULA MT 59801

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 151 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country WIPER TOWEL SERVICE 111 E 6TH GRAND ISLAND NE WIPER TOWEL SERVICE PO Box 5031 GRAND ISLAND NE 68802-5031 WIPF RADIATOR REPAIR 13 LINCOLN NW HURON SD 57350 WIRELESS WORLD 231 LISA CT TEA SD 57064 Wireless World StarComm Inc DBA Wireless World 231 Lisa Ct Tea SD 57064 Wireless World 231 Lisa Ct Tea SD 57064 WIRELESS WORLD BROOKINGS 1722 6TH ST BROOKINGS SD 57006 WIRELESS WORLD MADISON 106 E CENTER MADISON SD 57042 WIRELESS WORLD MITCHELL 1007 E SPURCE St Ste 102 MITCHELL SD 57301 WIRELESS WORLD YANKTON 909 BROADWAY YANKTON SD 57078 WISCONSIN CREEK LIMITED PARTNERSHIP PO BOX 261 PONY MT 59747 WISCONSIN PUBLIC POWER INC 1425 CORPORATE CENTER Dr SUN PRAIRIE WI 53590-9109 WISE TIRE & IMPLEMENT INC 519 S SANBORN BLVD MITCHELL SD 57301-3550 WITTROCK & SONS SANITATIONINC PO Box 448 MILBANK SD 57252-0448 WM BRADFORD DOW JR 212 PHOENIX WAY VANCOUVER WA 98661 WOHLS PLUMBING & HEATING 406 MULBERRY YANKTON SD 57078 WOLF REPAIR 105 N IOWA ST DOLAND SD 57436 WOLFE SNOWDENHURDLUERS & AHL 1248 O St LINCOLN NE 68508-1424 WOLFS GENERAL REPAIR RT 1 DOLAND SD 57436 WOLSEY POST PROM 38283 209TH ST WOLSEY SD 57384 WOLVES DEN PO Box 299 STANFORD MT 59479-0299 WOMACK & ASSOCIATES INC 5825 LAZY LANE BILLINGS MT 59106 WOMEN IN ACTION 40748 185TH HURON SD 57350 WOMENS OPPORTUNITY AND RESOURCE 127 N HIGGINS MISSOULA MT 59802 WOOD SUZANNE 2352 E Clifton Dr Meridian ID 83642-3018 WOODBURY COUNTY TREASURER 620 DOUGLAS ST SIOUX CITY IA 511011248 WOODBURY COUNTY TREASURER 620 DOUGLAS ST SIOUX CITY IA 51101-1248 WOODHALL DISTRIBUTING PO Box 1018 DENTON MT 59430 WOODLAKE OF TOLLAND PO Box 191 HAVRE MT 59501 WOODMAN REFRIGERATION INC 1616 6TH AVE SE ABERDEEN SD 57401 WOODMEN ACCIDENT & LIFE CO 1526 K St LINCOLN NE 68501 WOODS FULLER SHULTZ & SMITH PO Box 5027 SIOUX FALLS SD 57117-5027 WOODY BEAUGARD & WEST ELECTRIC INC 1310 HIGHWAY 91 N DILLON MT 59725 WOODYS CAR WASH 1201 CEDAR ST HELENA MT 59601 Wookey Consulting 702 W 11th Ave Webster SD 57274 WOONSOCKET APPRECIATION DAY C/O 1ST NATIONAL BANK WOONSOCKET SD 57385 WOONSOCKET CHEERLEADERS PO Box 428 WOONSOCKET SD 57501 WOONSOCKET CITY PO Box 456 WOONSOCKET SD 57385-0456 WOONSOCKET FIRE DEPT PO Box 22 WOONSOCKET SD 57258 WOONSOCKET WATER FESTIVAL 23020 397TH Ave WOONSOCKET SD 57385 WORKPLACE SOUND & TECHNOLOGIES 101 N MINNESOTA AVE SIOUX FALLS SD 57104 WORKRITE PO Box 1192 Oxnard CA 93032-1192 WORKRITE UNIFORM COMPANY INC PO Box 1192 OXNARD CA 93032-1192 WORLD CLASS RECRUITING PO Box 944 Brandon SD 57005-0944 WORLD INVESTOR LINK INC 601 MOOREFIELD PARK DR RICHMOND VA 23236-3654 WORLDATWORK PO Box 29312 PHOENIX AZ 85038-9312 WORLDATWORK PO Box 62888 PHOENIX AZ 85082-2888 WORTH PO Box 55421 BOULDER CO 50322-5421 WP RENTALS LLC PO Box 80766 BILLINGS MT 59108-0766 WRIGHT & TALISMAN PC 1200 G ST NW STE 600 WASHINGTON DC 20005-3802 Wright and Sudlow PO Box 1782 Aberdeen SD 57402-1782 WRIGHT AND SUDLOW INC PO Box 1782 ABERDEEN SD 57402-1782 WRIGHT LOCKSMITH 1810 OLWIEN BROOKINGS SD 57006 WRIGHT TREE SERVICE INC PO Box 1718 DES MOINES IA 50306 WUNDER CONSTRUCTION PO Box 507 ARMOUR SD 57313-0507 WW GRAINGER 500 E 50TH ST N SIOUX FALLS SD 57104 WWB LLC 9960 FLYING CLOUD DR EDEN PRAIRIE MN 55347 WWC HOLDING CO INC 3650 131ST AVE SE STE 400 BELLEVUE WA 98006 WYATT DATA SERVICES 218 RT 17 N ROCHELLE PARK NJ 07662 WYCHE PAUL 2920 LOWELL COURT CASSELBERRY FL 32707 WYOMING DEPARTMENT OF REVENUE 122 W 25TH St CHEYENNE WY 82002-0110 WYOMING MONTANA SAFETY COUNCIL 1502 LOGAN Ave CHEYENNE WY 82001 WYOMING SECRETARY OF STATE 200 W 24TH St CHEYENNE WY 82002 WYOMING SECRETARY OF STATE 200 W 24TH ST CHEYENNE WY 82002-0020 XCEL ENERGY 3115 CENTRE POINT DR ROSEVILLE MN 55113 XCEL ENERGY PO Box 5106 SIOUX FALLS SD 57117 XENERGY INC 3 BURLINGTON WOODS BURLINGTON MA 01803 Xenergy Inc 639 Helena Ave Ste X Helena MT 59601 XERCON P & R TECHNOLOGIES PO Box 3722 BUTTE MT 59701 XEROX CORPORATION 2301 COLONIAL DR HELENA MT 59601-4982 XEROX CORPORATION 350 SE NORTHWEST HWY PARK RIDGE IL 60068 XEROX CORPORATION 675 E 500 S SALT LAKE CITY UT 84102 XEROX CORPORATION PO Box 226495 DALLAS TX 75222-6495 XEROX CORPORATION PO Box 660501 DALLAS TX 75266-0501 XEROX CORPORATION PO Box 7405 PASADENA CA 91109-7405 XEROX CORPORATION PO Box 7413 PASADENA CA 91109-7413 XEROX CORPORATION PO BOX 8127 PARK RIDGE IL 60068 XEROX ENGINEERING SYSTEMS PO Box 828137 PHILADELPHIA PA 19182-8137 XESYSTEMS INC 800 PHILLIPS RD 206 01A WEBSTER NY 14580-9720 XLXPRESS 41807 217TH ST IROQUOIS SD 57353 XPEDX 1495 MONAD Rd BILLINGS MT 59104-1195 XPEDX 1495 MONAD Rd PO Box 21195 BILLINGS MT 59104-1195

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 152 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country YAK & ABE CONSTRUCTION 3105 PROSPECT AVE HELENA MT 59601 YANKTON ACE HARDWARE 103 W 3RD YANKTON SD 57078 YANKTON AREA ARTS PO Box 368 YANKTON SD 57078 YANKTON AREA CONCERT ASSOCIATION PO Box 590 YANKTON SD 57078 YANKTON AREA CRIME STOPPERS PO Box 1001 YANKTON SD 57078 YANKTON AREA PROGRESSIVE GROWT PO Box 588 YANKTON SD 57078 YANKTON AUTO SUPPLY PO Box 608 YANKTON SD 57078-0608 YANKTON BASEBALL ASSOCIATION PO Box 299 YANKTON SD 57078 YANKTON BASKETBALL INC 1607 JOHN St YANKTON SD 57078 YANKTON BOWL FAMILY FUN CENTER 3010 Broadway YANKTON SD 57078-4838 YANKTON CHAMBER OF COMMERCE PO Box 588 YANKTON SD 57078 YANKTON CHILDRENS CHOIR PO Box 409 YANKTON SD 57078 YANKTON COUNTY 3RD AND Broadway YANKTON SD 57078 YANKTON COUNTY CLERK OF COURTS PO Box 155 YANKTON SD 57078 YANKTON COUNTY HISTORICAL SOCIETY PO Box 1033 YANKTON SD 57078 YANKTON COUNTY REG OF DEEDS 3RD & Broadway YANKTON SD 57078 YANKTON COUNTY TREASURER PO Box 136 YANKTON SD 57078 YANKTON DAILY PRESS & DAKOTAN 319 WALNUT YANKTON SD 57078 YANKTON DIESEL 400 E 4TH St YANKTON SD 57078 YANKTON EQUIPMENT INC 2200 E HWYE 50 YANKTON SD 57078 YANKTON FIRE & SAFETY 502 Broadway YANKTON SD 57078 YANKTON HISTORIC RIVERFRONT 307 Walnut St Ste A YANKTON SD 57078 YANKTON JANITORIAL SUPPLY INC 1116 W 9TH ST YANKTON SD 57078 YANKTON KIWANIS PO Box 670 YANKTON SD 57078 YANKTON LIONS CLUB PO Box 507 YANKTON SD 57078 YANKTON LODGE OF PERFECTION PO Box 124 YANKTON SD 57078 YANKTON MANUFACTURERS ASSOCIATION 2309 SHUR LOT St YANKTON SD 57078-0713 YANKTON MEDICAL CLINIC 1104 W 8TH YANKTON SD 57078 YANKTON MEDICAL CLINIC 1104 W 8TH PO Box 706 YANKTON SD 57078 YANKTON MOOSE LODGE #1356 PO Box 153 YANKTON SD 57078 YANKTON MORNING OPTIMIST CLUB PO Box 13 YANKTON SD 57078 YANKTON REDI MIX 2300 W CITY LIMITS RD YANKTON SD 57078 YANKTON RODEA ASSOC 31041 434TH AVE YANKTON SD 57078-6701 YANKTON ROTARY CLUB PO Box 505 YANKTON SD 57078 YANKTON RURAL FIRE ASSOCIATION INC PO Box 333 YANKTON SD 57078 YANKTON SCHOOL DISTRICT 633 1900 FERDIG Ave YANOTON SD 57078 YANKTON SIOUX TRIBAL ENTERPRISE PO BOX 69 WAGNER SD 57380 YANKTON SIOUX TRIBE 410 S MAIN AVE WAGNER SD 57380-9663 YANKTON SIOUX TRIBE PO Box 426 Wagner SD YANKTON SPECIAL OLYMPICS PO Box 864 YANKTON SD 57078 YANKTON WINNELSON CO 908 W 19TH YANKTON SD 57078 YARD MASTER 242 HIGGINS LN STEVENSVILLE MT 59870 YEGEN LADIES GOLF ASSOCIATION 2418 CUSTER Ave BILLINGS MT 59102 YELDUZ SHRINE PO Box 1066 ABERDEEN SD 57402-1066 YELLOW BOOK USA 3456 E 17th St Ste 100 Ammon ID 83406-6709 YELLOW BOOK USA PO Box 9254 DES MOINES IA 50306-9254 YELLOW TRANSPORTATION INC PO Box 730333 DALLAS TX 75373-0333 YELLOWSTONE AIDS PROJECT PO Box 1748 BILLINGS MT 59103 Yellowstone Air Service Inc PO Box 666 Big Timber MT 59011 YELLOWSTONE ART MUSUEM 401 N 27TH St BILLINGS MT 59101-1290 YELLOWSTONE BALLET COMPANY 109 S B St LIVINGSTON MT 59047 Yellowstone Concrete Cutting Inc PO Box 81066 Billings MT 59108-1066 YELLOWSTONE COUNTY CENTRAL SERVICES BILLINGS MT 59107 YELLOWSTONE COUNTY CENTRAL SERVICES PO Box 35009 BILLINGS MT 59107 YELLOWSTONE COUNTY CLERK & RECORDER PO Box 35001 BILLINGS MT 59107

YELLOWSTONE COUNTY DEPUTY SHERRIFS PO Box 1552 BILLINGS MT 59103-1552

YELLOWSTONE COUNTY PUBLIC WORK DEPT PO Box 35024 BILLINGS MT 59107-5024 YELLOWSTONE COUNTY TREASURER COURTHOUSE BILLINGS MT 59101 YELLOWSTONE COUNTYTREASURER COURTHOUSE BILLINGS MT 59101 Yellowstone Energy Limited Partnership Billings Generation Inc 1087 W River Street Suite 200 Boise ID 83702 Skadden, Arps, Slate, Meagher & Yellowstone Energy Limited Partnership Flom, LLP SkaddEN ARPS SLATE MEAGHER & FLOm llp Attn: Richard Levin 300 South Grand Ave Suite 3400 Los Angeles CA 90071

YELLOWSTONE ENTERPRISES PARTNERSHIP 3101 S DAFFODIL BILLINGS MT 59102 YELLOWSTONE LEATHER PRODUCTS INC 284 S COLORADO IDAHO FALLS ID 83405 YELLOWSTONE PARK SERVICE STATIONS PO Box 11 GARDINER MT 59030-0011 YELLOWSTONE SOCCER ASSOC PO Box 334 BILLINGS MT 59103 YELLOWSTONE VALLEY ELEC COOP INC PO Box 249 HUNTLEY MT 59037-0249 Yellowstone Valley Electric PO Box 249 Huntley MT 59037 Yellowstone Valley Electric Cooperative PO Box 249 Huntley MT 59037-0249 Yellowstone Valley Electric Cooperative Inc Maxon R Davis Davis Hatley Haffeman & Tighe PC PO Box 2103 Great Falls MT 59403 YELLOWSTONE VALLEY TREE SURGEONS 3146 MYRTLE Dr BILLINGS MT 59102 YELLOWSTONE VILLAGE INN 1102 SCOTT St W GARDINER MT 59030 YHS BAND BOOSTER 610 E 31ST YANKTON SD 57078 YMCA 402 N 32ND BILLINGS MT 59101 YMCA 420 S Lincoln St Aberdeen SD 57401 YMCA Attn Robert Masters Executive Directo 420 S Lincoln St Aberdeen SD 57401 YMCA CHILD DEVELOPMENT CENTER 405 W Park St Butte MT 59701-9120 YMCA YOUTH & GOVERNMENT PROGRAM 1200 N LAST CHANCE HELENA MT 59601

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 153 of 154 00047427.XLS Creditor Matrix Service List

CreditorName CreditorNoticeName Address1 Address2 Address3 Address4 City State Zip Country YOUNG & RICHARDS FLOWERS 236 S MAIN SIOUX FALLS SD 57102 Young Broadcasting of Sioux Falls Inc James A Morgan Executive VP CFO 599 Lexington Ave New York NY 10022 Young Mens Christian Association 420 S Lincoln St Aberdeen SD 57401 YOUNGS REFRIGERATION INC 1504 Sioux Ave Apt 5 Rapid City SD 57701-3900 YOUNKERS CONESTOGA MALL GRAND ISLAND NE YVETTE MCCORMACK 303 E Broadway St HELENA MT 59601-4238 YWCA 17 5TH ST SW HURON SD 57350 YWCA 300 W 11TH St SIOUX FALLS SD 57104-6306 YWCA 909 WYOMING AVE BILLINGS MT 59101 YWCA OF GREAT FALLS 220 2ND ST N GREAT FALLS MT 59401-2402 YZ SYSTEMS INC PO Box 730237 DALLAS TX 75373-0237 ZACHA CONSTRUCTION INC 1355 Summerdale Rd CORVALLIS MT 59828-9515 Zacha Underground Construction 1355 Summerdale Rd Corvallis MT 59828 Zacha Underground Construction Co 1355 Summerdale Rd Corvallis MT 59828 Zanella Incorporated PO Box 237 Gile WI 54525-0237 Zanella Incorporated The Depository Trust Company 55 Water St 49th Fl New York NY 10041 ZEE MEDICAL SERVICE PO Box 4805 MISSOULA MT 59806 ZEE MEDICAL SERVICE COMPANY PO Box 8310 FARGO ND 58109-8310 ZEEB AUTO BODY PO Box 393 MENNO SD 57045 ZEES COLLISION CENTER 1806 3RD AVE SE ABERDEEN SD 57401 ZEMAR INC PO Box 538 MC CONNELSVILLE OH 43756 ZEMS INC 303 S 3RD ST MILBANK SD 57252 ZEP MANUFACTURING COMPANY 21019 77TH AVE S KENT WA 98032 ZIP BEVERAGE 1301 SCOTT ST MISSOULA MT 59802 Zoe A Henn 2903 22nd St Edgewater FL 32141 Zoe A Henn The Depository Trust Company 55 Water St 49th Fl New York NY 10041 Zoot Properties LLC 555 Zoot Enterprises Ln Bozeman MT 59718 Zoot Properties LLC 555 Zoot Enterprises Way Bozeman MT

In re: NorthWestern Corporation 12/13/2007 12:39 PM Case No. 03-12872 (KJC) Page 154 of 154 00047427.XLS