Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 1 of 84

IN THE BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF HOUSTON DIVISION

In re: § Chapter 11 § ATP Oil & Gas Corporation § Case No.: 12-36187 § § Debtor. §

CERTIFICATE OF SERVICE

I, Clarissa D. Cu, depose and say that I am employed by Kurtzman Carson Consultants LLC (KCC), the claims, ballot and noticing agent for the Debtors in the above-captioned cases.

On September 19, 2012, at my direction and under my supervision, employees of KCC caused the following document to be served via electronic mail upon the service lists attached hereto as Exhibit A and Exhibit B, via First Class mail upon the service list attached hereto as Exhibit C, upon the Creditor Matrix attached hereto as Exhibit D, upon the Nominees on the service list attached hereto as Exhibit E, to the parties on the service list, attached hereto as Exhibit F, provided by Morgan Stanley, as Nominee, and to the registered holders of Common Stock on the service list attached hereto as Exhibit G, provided by American Stock Transfer & Trust Co LLC, as transfer agent; and via Overnight mail upon the service list attached hereto as Exhibit H, for subsequent distribution to beneficial holders of the Securities listed on Exhibit I:

1. Updated Notice of Chapter 11 Bankruptcy Case, Meeting of Creditors, & Deadlines [Docket No. 411]

Dated: September 24, 2012

__/s/ Clarissa D. Cu Clarissa D. Cu

Kurtzman Carson Consultants LLC 2335 Avenue El Segundo, CA 90245 (310) 823-9000

1 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 2 of 84

EXHIBIT A

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 3 of 84

Exhibit A Master Service List Served via Electronic Mail

DESCRIPTION COMPANY NOTICE NAME E-MAIL

COUNSEL TO HARVEY GULF INTERNATIONAL MARINE LLC; EXPEDITORS AND PRODUCTION SERVICES COMPANY, EPS LOGISTICS COMPANY, AND EPS CARGO HANDLERS; HORNBECK OFFSHORE SERVICES LLC ADAMS AND REESE LLP ROBIN B CHEATHAM [email protected] COUNSEL TO SANKATY ATP LLC AND HBK CHARLES R GIBB & MICHAEL S [email protected]; MAIN STREET INVESTMENTS LP AKIN GUMP STRAUSS HAUER & FELD HAYNES [email protected] MEMBER OF COMMITTEE OF UNSECURED [email protected] CREDITORS ALPHA RENTAL TOOLS INC DUANE BOUDOIN M ANDERSON LEHRMAN BARRE & COUNSEL TO KEN-VAC MARAIST LLP KEVIN M MARAIST [email protected] COUNSEL TO BURNHAM SECURITIES INC A [email protected]; MEMBER OF THE COMMITTEE OF JOHN SPARACINO & TAD [email protected]; UNSECURED CREDITORS ANDREWS KURTH LLP DAVIDSON [email protected] COUNSEL TO ENTERPRISE GTM OFFSHORE OPERATING COMPANY LLC AND POSEIDON OIL PIPELINE COMPANY ROBIN RUSSELL JOSEPH [email protected]; LLC ANDREWS KURTH LLP ROVIRA [email protected] TOP 30 APACHE CORPORATION [email protected] ASSISTANT US TRUSTEE FOR THE ASSISTANT US TRUSTEE FOR THE SOUTHERN DISTRICT OF TEXAS SOUTHERN DISTRICT OF TEXAS NANCY L HOLLEY [email protected] COUNSEL TO CERTAIN DIP LENDERS AND CERTAIN PREPETITION FIRST LIEN LENDERS BINGHAM MCCUTCHEN LLP ANDREW J GALLO [email protected] ATTN JEFFREY W GUTCHESS TOP 30 BISON CAPITAL CORPORATION ESQ [email protected] COUNSEL TO TM ENERGY HOLDINGS LLC, GMZ ENERGY HOLDINGS LLC, CLP ENERGY LLC, MC VPP LLC AND CITICORP WILLIAM A TREY WOOD III; [email protected]; NORTH AMERICA, INC BRACEWELL & GIULIANI LLP CHRIS S TILLMANNS [email protected]

COUNSEL TO CAPITAL VENTURES INTERNATIONAL (CVI) A MEMBER OF THE COMMITTEE OF UNSECURED CREDITORS BROWN RUDNICK LLP WILLIAM R BALDIGA [email protected] ELIZABETH M GUFFY OF COUNSEL TO BLUEWATER INDUSTRIES LP BURLESON LLP COUNSEL [email protected] MEMBER OF COMMITTEE OF UNSECURED CREDITORS; TOP 30 BURNHAM SECURITIES ATTN: EDWARD KOVALIK [email protected] CADWALADER WICKERSHAM & TAFT COUNSEL TO MACQUARIE BANK LIMITED LLP JOSH BRANT ESQ [email protected] CADWALADER WICKERSHAM & TAFT MARK ELLENBERG & KENNETH [email protected]; COUNSEL TO MACQUARIE BANK LIMITED LLP IRVIN [email protected] COUNSEL TO NATIONAL OILWELL VARCO LP dba NOV PORTABLE POWER AND NOV TUBOSCOPE CHRIS A STACY & ASSOCIATES PC CHRIS A STACY [email protected] [email protected]; COUNSEL FOR CREDIT SUISSE FIRST LIEN PAUL H ZUMBRO; RICHARD B [email protected]; AGENT; COUNSEL FOR CREDIT SUISSE AG CRAVATH SWAINE & MOORE LLP LEVIN; STEPHANIE R TUMBIOLO [email protected] MEMBER OF COMMITTEE OF UNSECURED SUSANBENOIT@DEEP-SOUTH- CREDITORS DEEP SOUTH CHEMICAL INC SUSAN BENOIT CHEMICAL.COM COUNSEL TO DIAMOND OFFSHORE DOBROWKSKI LARKIN & JOHNSON COMPANY LLP LAURA HALEY ESQ [email protected]

COUNSEL TO GE OIL & GAS LOGGING SERVICES, INC., NEWPARK ENVIRONMENTAL SERVICES, LLC, PETROQUIP ENERGY SERVICES. LLC AND WOOD GROUP PRODUCTION SERVICES, INC; CAMERON INTERNATIONAL [email protected]; CORPORATION, CURTIS KELLY, INC. DORE MAHONEY LAW GROUP PC WILLIAM B HARRIS [email protected] MEMBER OF COMMITTEE OF UNSECURED CREDITORS; TOP 30 ERA HELICOPTERS LLC PAUL ROBINSON [email protected] TOP 30 FRANK’S CASING CREW [email protected] COUNSEL TO DIAMOND OFFSHORE COMPANY FULBRIGHT & JAWORSKI LLP BERRY D SPEARS [email protected] COUNSEL TO DIAMOND OFFSHORE COMPANY FULBRIGHT & JAWORSKI LLP STEVE A PEIRCE [email protected] In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 1 of 4 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 4 of 84

Exhibit A Master Service List Served via Electronic Mail

DESCRIPTION COMPANY NOTICE NAME E-MAIL COUNSEL TO APACHE CORPORATION; K2 CLINTON R SNOW; JOHN P [email protected]; PRINCIPAL FUND LP AND K2 ROYALTY GARDERE WYNNE SEWELL LLP MELKO [email protected] COUNSEL TO MACQUARIE INVESTMENTS LLC, KEBA ENERGY LLC, MACQUARIE GORDON ARATA MCCOLLAM AMERICAS CORPORATION DUPLANTIS & EAGAN LLC COURTNEY S LAUER [email protected]

COUNSEL TO MACQUARIE INVESTMENTS GORDON ARATA MCCOLLAM LLC AND KEBA ENERGY LLC DUPLANTIS & EAGAN LLC LOUIS M PHILLIPS [email protected]

COUNSEL TO CAPITAL VENTURES INTERNATIONAL (CVI) A MEMBER OF THE COMMITTEE OF UNSECURED CREDITORS GREENBERG TRAURIG LLP SHARI L HEYEN [email protected] TOP 30 GREYSTAR CORPORATION ATTN JEFFREY L POWERS [email protected] CHARLES.BECKHAM@HAYNESBOON E.COM; [email protected] OM; KELLI.STEPHENSON@HAYNESBOON COUNSEL TO CREDIT SUISSE AG HAYNES AND BOONE LLP CHARLES A BECKHAM JR E.COM COUNSEL TO HARRIS CAPROCK COMMUNICATIONS INC HOOVER SLOVACEK LLP T JOSH JUDD [email protected] JOHNSON TRENT WEST & TAYLOR COUNSEL TO TALENS MARINE & FUEL INC LLP LORI HOOD [email protected] COUNSEL TO REC MARINE LOGISTICS LLC, JOHNSON, JOHNSON, BARRIOS & BLANCHARD CONTRACTORS, INC YACOUBIAN SALVADOR J. PUSATERI [email protected] JONES WALKER WAECHTER COUNSEL TO BRISTOW U.S.C LLC FKA AIR POITEVENT CARRERE & DENEFRE LOGISTICS, LLC LLP JOHN KOLWE [email protected] JONES WALKER WAECHTER COUNSEL TO BRISTOW U.S.C LLC FKA AIR POITEVENT CARRERE & DENEFRE LOGISTICS, LLC LLP MARK A MINTZ [email protected] INTERESTED PARTY KYOUNG (KANE) PARK [email protected] COUNSEL TO HARRIS COUNTY CYPRESS LINEBARGER GOGGAN BLAIR & FAIRBANKS ISD SAMPSON LLP JOHN P DILLMAN [email protected] COUNSEL TO FRANK'S CASING CREW & RENTAL TOOLS INC LISKOW & LEWIS JOSEPH P HEBERT ESQ [email protected] COUNSEL TO CHAMPION TECHNOLOGIES; COUNSEL TO FRANK'S CASING CREW & RENTAL TOOLS INC LISKOW & LEWIS MICHAEL D RUBENSTEIN; [email protected] COUNSEL TO CETCO OILFIELD SERVICES INC LISKOW & LEWIS PHILIP K JONES JR [email protected] PHILLIP G EISENBERG & [email protected]; COUNSEL TO TOTAL E&P USA INC LOCKE LORD LLP BROOKE B CHADEAYNE [email protected] STEWART PECK, [email protected]; COUNSEL TO WARRIOR ENERGY CHRISTOPHER CAPLINGER, [email protected]; SERVICES CORPORATION AND SUPERIOR LUGENBUHL, WHEATON, PECK, BENJAMIN KADDEN, JOSEPH P [email protected]; ENERGY SERVICES LLC RANKIN & HUBBARD BRIGGETT [email protected] COUNSEL TO ARCLIGHT CAPITAL PARTNERS LLC MCDERMOTT WILL & EMERY LLP TIMOTHY W WALSH ESQ [email protected] MEMBER OF COMMITTEE OF UNSECURED CREDITORS M-I LLC DBA M-I SWACO LINDA NORVELL [email protected] MEMBER OF COMMITTEE OF UNSECURED CAPITAL VENTURES CREDITORS MICHAEL L SPOLAN INTERNATIONAL [email protected] [email protected]; COUNSEL TO THE COMMITTEE OF GERARD UZZI & EVAN FLECK & [email protected]; UNSECURED CREDITORS MILBANK LAUREN COHEN [email protected] COUNSEL TO BEE MAR LLC; COUNSEL TO ERA HELICOPTERS LLC MONTGOMERY BARNETT LLP STEPHEN L WILLIAMSON [email protected] PROPOSED SPECIAL CONFLICTS COUNSEL RANDALL A RIOS & TIMOTHY A [email protected]; TO ATP OIL & GAS (DEBTORS) MUNSCH HARDT KOPF & HARR PC MILLION [email protected] COUNSEL TO FORTUNE NATURAL MATTHEW OKIN M RENEE [email protected]; RESOURCES CORPORATION OKIN ADAMS & KILMER LLP BAYER [email protected] TOP 30 PATTON BOGGS LLP ATTN J MAXWELL TUCKER [email protected] COUNSEL TO SHELDON INDEPENDENT PERDUE BRANDON FIELDER COLLINS SCHOOL DISTRICT & MOTT LLP OWEN M SONIK [email protected] [email protected]; S AULT HOOTSELL III & BRIAN [email protected]; COUNSEL TO BARRY GRAHAM OIL WALLACE & MARTY MCLEOD & [email protected]; SERVICE LLC PHELPS DUNBAR LLP BRYAN BOWDLER [email protected] In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 2 of 4 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 5 of 84

Exhibit A Master Service List Served via Electronic Mail

DESCRIPTION COMPANY NOTICE NAME E-MAIL

COUNSEL TO GREYSTAR CORPORATION PORTER HEDGES LLP JAMES MATTHEW VAUGHN [email protected] COUNSEL TO EXTERRAN ENERGY [email protected] SOLUTIONS LP; EXTERRAN (UK) LIMITED PORTER HEDGES LLP JOSHUA W WOLFSHOHL OM QUILLING SELANDER LOWNDS COUNSEL TO RLI INSURANCE COMPANY WINSLETT & MOSER PC 2001 BRYAN ST STE 1800 [email protected] COUNSEL TO BORDELON MARINE INC; RC REICH, ALBUM & PLUNKETT, LOGISTICS LLC, REICH, ALBUM & PLUNKETT, L.L.C. L.L.C. [email protected] CLAIMS TRADER RIVERSIDE CLAIMS LLC NEIL HERSKOWITZ [email protected] COUNSEL TO HERCULES LIFTBOAT SCHWARTZ, JUNELL, GREENBERG & COMPANY LLC OATHOUT, L.L.P. JAMES C MARROW [email protected] TOP 30 SEAMAR DIVERS INC [email protected] SECURITIES AND EXCHANGE SECURITIES AND EXCHANGE COMMISSION COMMISSION [email protected] COUNSEL TO SEAMAR DIVERS SHEINESS SCOTT GROSSMAN & H MILES COHN & MICHELLE V INTERNATIONAL LLC COHN LLP FRIERY [email protected] COUNSEL TO SHELL ENERGY NORTH AMERICA US LP & SHELL OIL (US) TRADING SHELL ENERGY NORTH AMERICA US COMPANY LP JENNIFER M GORE ESQ [email protected]

COUNSEL TO SCHLUMBERGER TECHNOLOGY CORPORATION, M-I L.L.C. DBA ,M-I SWACO AND SMITH INTERNATIONAL, INC. A MEMBER OF THE PHIL F SNOW & KENNETH COMMITTEE OF UNSECURED CREDITORS SNOW FOGEL SPENCE LLP GREEN [email protected] COUNSEL TO SUPREME SERVICE & SPECIALTY CO., INC. SNOW FOGEL SPENCE LLP ROSS SPENCE [email protected] [email protected] COUNSEL TO NEXEN PETROLEUM STUTZMAN, BROMBERG, ESSERMAN CLIFF I. TAYLOR & JACOB L. [email protected] OFFSHORE U.S.A. INC. & PLIFKA, P.C. NEWTON & BRIANA L. CIONI [email protected] [email protected]; [email protected]; TOP 30 SUPERIOR ENERGY SERVICES LLC [email protected] COUNSEL TO SHELL ENERGY NORTH SUTHERLAND ASBILL & BRENNAN AMERICA US LP LLP DAVID A BAAY [email protected] COUNSEL TO SHELL ENERGY NORTH AMERICA US LP & SHELL OIL (US) TRADING SUTHERLAND ASBILL & BRENNAN RICHARD G MURPHY JR; MARK COMPANY LLP D SHERRILL [email protected] THE BANK OF MELON TRUST COMPANY N.A. AS INDENTURE TRUSTEE FOR THE SENIOR SECOND LIEN THE BANK OF NEW YORK MELON [email protected] NOTEHOLDERS TRUST COMPANY NA DENNIS ROEMLEIN OM

COUNSEL TO THE BANK OF NEW YORK IRA L HERMAN & JENNIFER A [email protected]; MELLON TRUST COMPANY NA THOMPSON & KNIGHT LLP CHRISTIAN [email protected]

COUNSEL TO NGP CAPITAL RESOURCES CO; COUNSEL TO THE BANK OF NEW RHETT G CAMPBELL & TYE C [email protected]; YORK MELLON TRUST COMPANY NA THOMPSON & KNIGHT LLP HANCOCK [email protected] OFFICE OF THE US ATTORNEY FOR THE SOUTHERN DISTRICT OF TEXAS - HOUSTON US ATTORNEY'S OFFICE [email protected]

COUNSEL TO THE UNITED STATES DEPARTMENT OF INTERIOR, BUREAU OF OCEAN ENERGY MANAGEMENT (BOEM), BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT (BSEE) AND OFFICE OF NATURAL RESOURCES REVENUE (ONRR)(FORMERLY MINERALS E KATHLEEN SHAHAN; VICTOR [email protected]; MANAGEMENT SERVICE (MMS) US DEPARTMENT OF JUSTICE W ZHAO [email protected] COUNSEL TO ADHOC GROUP OF SECOND LIEN LENDERS WACHTELL LIPTON ROSEN & KATZ SCOTT K CHARLES ESQ [email protected]

COUNSEL TO JEFFERIES & COMPANY INC WALKER WILCOX MATOUSEK LLP TONY L DRAPER [email protected] [email protected]; [email protected]; [email protected]; TOP 30 WARRIOR ENERGY SERVICES CORP [email protected] In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 3 of 4 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 6 of 84

Exhibit A Master Service List Served via Electronic Mail

DESCRIPTION COMPANY NOTICE NAME E-MAIL COUNSEL TO GREENE'S ENERGY GROUP LLC WELLS & CUELLAR PC C O JEFFREY D STEWART [email protected] WEYVER KAPLAN PULASKI & ZUBER COUNSEL TO 4600 POST OAK PLACE LTD PC JEFF CARRUTH [email protected]

COUNSEL TO CERTAIN DIP LENDERS PHILLIP L LAMBERSON; R [email protected]; SENIOR SECURED LENDERS AND CERTAIN MICHAEL FARQUHAR; [email protected]; PREPETITION FIRST LIEN LENDERS WINSTEAD PC MATTHEW T FERRIS [email protected]

MSD CREDIT OPPORTUNITY MASTER FUND, L.P., MSD AND SLD CHARITABLE TRUSTS INVESTING PARTNERSHIP, FORTRESS CREDIT INVESTMENTS I LTD., FORTRESS CREDIT INVESTMENTS II LTD., FORTRESS CREDIT OPPORTUNITIES I LP, AND KLS DIVERSIFIED MASTER FUND L.P., WINSTEAD PC SEAN B DAVIS [email protected]

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 4 of 4 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 7 of 84

EXHIBIT B

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 8 of 84

Exhibit B Served via Electronic Mail

Company Email Bank of America DTC #2251 [email protected] Barclays #229 [email protected] BNY Mellon #954 [email protected] Bloomberg [email protected] Broadridge [email protected] Clearstream International SA [email protected] Clearstream International SA [email protected] Clearstream International SA [email protected] Credit Suisse Securities (USA) LLC [email protected] Credit Suisse Securities (USA) LLC [email protected] Credit Suisse Securities (USA) LLC [email protected] Deutsche Bank Securities Inc [email protected] Euroclear Bank S.A./N.V. [email protected] Euroclear Bank S.A./N.V. [email protected] Foliofn Investments [email protected] Goldman Sachs & Co [email protected] JPMorgan Chase Bank [email protected] Mediant Communications [email protected] Morgan Stanley [email protected] Morgan Stanley [email protected] Morgan Stanley [email protected] Morgan Stanley [email protected] Northern Trust Company [email protected] Royal Bank of Canada [email protected] SIS SegaInterSettle AG [email protected] SIS SegaInterSettle AG [email protected] Southwest Securities [email protected] Southwest Securities [email protected] State Street Bank and Trust Company [email protected] State Street Bank and Trust Company [email protected] State Street Bank and Trust Company [email protected] State Street Bank and Trust Company [email protected] The Bank of New York Mellon [email protected] The Bank of New York Mellon [email protected] The Bank of New York Mellon [email protected] The Depository Trust Co [email protected] The Depository Trust Co [email protected] The Depository Trust Co [email protected] The Depository Trust Co [email protected] The Depository Trust Co [email protected] UBS Securities LLC [email protected] UBS Securities LLC [email protected]

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 1 of 1 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 9 of 84

EXHIBIT C

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 10 of 84

Exhibit C Master Service List Served via First Class Mail

DESCRIPTION COMPANY NOTICE NAME ADDRESS 1 ADDRESS 2 CITY STATE ZIP

C/O PERELLA WEINBERG PARTNERS NPI ORRI COUNTER-PARTY ABV CLIPPER I LLC CAPITAL MANAGEMENT LP 767 FIFTH AVENUE NEW YORK NY 10153 TOP 30 BLUEWATER INDUSTRIES LP 5300 MEMORIAL DRIVE SUITE 550 HOUSTON TX 77007

NPI ORRI COUNTER-PARTY BRISTOW US LLC (FORMERLY AIR LOGISTICS) 4605 INDUSTRIAL DRIVE NEW IBERIA LA 70560 TOP 30 CHAMPION TECHNOLOGIES PO BOX 2243 HOUSTON TX 77252-2243 NPI ORRI COUNTER-PARTY CITICORP NORTH AMERICA INC 390 GREENWICH STREET 7TH FLOOR NEW YORK NY 10013 TOP 30 C-PORT/STONE LLC PO BOX 4869 DEPT 211 HOUSTON TX 77210-4869

CREDIT SUISSE AG FIRST LIEN AGENT CREDIT SUISSE AG 11 MADISON AVE NEW YORK NY 10010 CRT SERIES A SEPARATE SERIES OF Q-BLK NPI ORRI COUNTER-PARTY INVESTMENT FUND II LP 601 UNION STREET 56TH FLOOR SEATTLE WA 98101 NPI ORRI COUNTER-PARTY DIAMOND OFFSHORE COMPANY 15415 KATY FREEWAY HOUSTON TX 77094 TOP 30 DRIL-QUIP INC PO BOX 973669 DALLAS TX 75397-3669 TOP 30 ERA HELICOPTERS LLC LOCK BOX NO 3156 PO BOX 8500-3156 PHILADELPHIA PA 19178-3156

GERALD W SCHLIEF AND CANDACE R SCHLIEF 2006 NPI ORRI COUNTER-PARTY CHARITABLE REMAINDER TRUST 5773 WOODWAY DRIVE NO 800 HOUSTON TX 77057 TOP 30 GREYSTAR CORPORATION PO BOX 4346 DEPT 132 HOUSTON TX 77210-4346

NPI ORRI COUNTER-PARTY GUGGENHEIM ENERGY OPPORTUNITIES FUND LP 1301 MCKINNEY SUITE 3105 HOUSTON TX 77010

TOP 30 HARVEY GULF INTERNATIONAL MARINE INC 701 POYDRAS ST STE 3700 NEW ORLEANS LA 70139 NPI ORRI COUNTER-PARTY HAYMAN ATP PARTNERS LP 2101 CEDAR SPRINGS RD SUITE 1400 DALLAS TX 75201

NPI ORRI COUNTER-PARTY HBK MAIN STREET INVESTMENTS LP 2101 CEDAR SPRINGS ROAD SUITE 700 DALLAS TX 75201 TOP 30 HORNBECK OFFSHORE SERVICES LLC P O BOX 54863 NEW ORLEANS LA 70154-4863

INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE CENTRALIZED INSOLVENCY OPERATION 11601 ROOSEVELET BLVD MAIL DROP N781 PHILADELPHIA PA 10154

INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE CENTRALIZED INSOLVENCY OPERATION PO BOX 7346 PHILADELPHIA PA 19114-0326 INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE DEPARTMENT OF THE TREASURY AUSTIN TX 73301 INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE PO BOX 105703 ATLANTA GA 30348-5703

INTERNAL REVENUE SERVICE INTERNAL REVENUE SERVICE GCLS 8701 S GESSNER STOP 5433HAL BEAN HOUSTON TX 77074 NPI ORRI COUNTER-PARTY K2 ROYALTY CORP INC 2520 ST ROSE PARKWAY SUITE 212 HENDERSON NV 89074 KEBA ENERGY LLC (AFFILIATE WITH MACQUARIE NPI ORRI COUNTER-PARTY INVESTMENTS) 125 WEST 55TH STREET 22ND FLOOR NEW YORK NY 10019 CLAIMS AGENT KURTZMAN CARSON CONSULTANTS LLC EVAN J GERSHBEIN 2335 ALASKA AVE EL SEGUNDO CA 90245

NPI ORRI COUNTER-PARTY MACQUARIE INVESTMENTS LLC 125 WEST 55TH STREET 22ND FLOOR NEW YORK NY 10019 TOP 30 MARTIN ENERGY SERVICES LLC PO BOX 11407 DEPT 30616 BIRMINGHAM AL 35246-3061 TOP 30 M-I SWACO LLC PO BOX 200132 DALLAS TX 75320-0132 MTP ENERGY INFRASTRUCTURE FINANCE FUND NPI ORRI COUNTER-PARTY CORP I-A C/O MAGNETAR FINANCIAL LLC 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201

NPI ORRI COUNTER-PARTY MTP ENERGY INFRASTRUCTURE FINANCE FUND LP 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201

TOP 30 MURPHY EXPLORATION & PRODUCTION CO ATTN: TREASURY-JIB P O BOX 7000 EL DORADO AR 71731-7000 TOP 30 NABORS OFFSHORE CORPORATION PO BOX 973531 DALLAS TX 75397 NPI ORRI COUNTER-PARTY NGP CAPITAL RESOURCES COMPANY 1221 MCKINNEY SUITE 2975 HOUSTON TX 77010

TOP 30 OFFICE OF NATURAL RESOURCES REVENUE PO BOX 25627 DENVER CO 80225-0627 TOP 30 OFFSHORE ENERGY SERVICES INC PO BOX 53508 LAFAYETTE LA 70505 TOP 30 OMEGA NATCHIQ PO BOX 203320 DALLAS TX 75320-3320 PERELLA WEINBERG PARTNERS CAPITAL INTERESTED PARTY MANAGEMENT LP ATTN: GENERAL COUNSEL 767 FIFTH AVENUE NEW YORK NY 10153 PERELLA WEINBERG PARTNERS CAPITAL INTERESTED PARTY MANAGEMENT LP ATTN: OLIVIER LEVITTE 767 FIFTH AVENUE NEW YORK NY 10153

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 1 of 2 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 11 of 84

Exhibit C Master Service List Served via First Class Mail

DESCRIPTION COMPANY NOTICE NAME ADDRESS 1 ADDRESS 2 CITY STATE ZIP

COUNSEL TO OMEGA NATCHIQ INC PERRIN LANDRY DELAUNAY DARTEZ & OUELLET GERALD C DELAUNAY 251 LA RUE FRANCE LAFAYETTE LA 70508 TOP 30 PETROQUIP ENERGY SERVICES LP PO BOX 203938 HOUSTON TX 77216-3938 TOP 30 PRICEWATERHOUSECOOPERS LLP PO BOX 952282 DALLAS TX 75395-2282

NPI ORRI COUNTER-PARTY PWP ABV ENERGY I LLC C/O PERELLA WEINBERG PARTNERS 767 FIFTH AVENUE NEW YORK NY 10153

C/O PERELLA WEINBERG PARTNERS NPI ORRI COUNTER-PARTY PWP ABV ENERGY II LLC CAPITAL MANAGEMENT LP 767 FIFTH AVENUE NEW YORK NY 10153 TOP 30 QUAIL TOOLS LLP PO BOX 10739 NEW IBERIA LA 70562-0739

NPI ORRI COUNTER-PARTY SANKATY ATP LLC C/O SANKATY ADVISORS LLC TOWER 200 CLARENDON STREET MA 02116

NPI ORRI COUNTER-PARTY SANKATY CREDIT OPPORTUNITIES IV LP C/O SANKATY ADVISORS LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116

NPI ORRI COUNTER-PARTY SANKATY MANAGED ACCOUNT (UCAL) LP C/O SANKATY ADVISORS LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116 MEMBER OF COMMITTEE OF SCHLUMBERGER TECHNOLOGY CORP DBA M-I UNSECURED CREDITORS; TOP 30 SWACO JAMES M SCZUDLO & DONALD BURELL 1325 S DAIRY ASHFORD HOUSTON TX 77077

TOP 30 SCHLUMBERGER TECHNOLOGY CORPORATION PO BOX 201193 HOUSTON TX 77216-1193 TOP 30 SEACOR MARINE INC PO BOX 8500-6315 PHILADELPHIA PA 19178-6315 NPI ORRI COUNTER-PARTY SEACOR MARINE LLC 7910 MAIN STREET 2ND FLOOR HOUMA LA 70360 ATTORNEY FOR THE SECURITIES AND EXCHANGE COMMISSION SECURITIES AND EXCHANGE COMMISSION SONIA U CHAE 175 W JACKSON BLVD STE 900 CHICAGO IL 60604 SOF INVESTMENTS LP – PRIVATE XIX(AFFILIATED NPI ORRI COUNTER-PARTY WITH MSD CAPITAL) 645 FIFTH AVENUE 21ST FLOOR NEW YORK NY 10022 SOF INVESTMENTS LP – PRIVATE XVIII (AFFILIATED NPI ORRI COUNTER-PARTY WITH MSD CAPITAL) 645 FIFTH AVENUE 21ST FLOOR NEW YORK NY 10022 NPI ORRI COUNTER-PARTY SPECTRUM INVESTMENT PARTNERS LP 1250 BROADWAY SUITE 19TH FLOOR NEW YORK NY 10001 C/O STONEHILL CAPITAL MANAGEMENT NPI ORRI COUNTER-PARTY STONEHILL INSTITUTIONAL PARTNERS LP LLC 885 THIRD AVENUE 30TH FLOOR NEW YORK NY 10022 TOP 30 SUPREME SERVICE & SPECIALTY CO INC ATTN FREDDY BOURGEOIS 204 INDUSTRIAL AVE C HOUMA LA 70363

NPI ORRI COUNTER-PARTY TRIANGLE PEAK PARTNERS PRIVATE EQUITY LP PO BOX 3788 CARMEL CA 93921

US TAXABLE SERIES A SEPARATE SERIES OF Q-BLK NPI ORRI COUNTER-PARTY INVESTMENT FUND II LP 601 UNION STREET 56TH FLOOR SEATTLE WA 98101

US TAX-EXEMPT SERIES A SEPARATE SERIES OF Q- NPI ORRI COUNTER-PARTY BLK INVESTMENT FUND II LP 601 UNION STREET 56TH FLOOR SEATTLE WA 98101

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 2 of 2 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 12 of 84

EXHIBIT D

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 13 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country 16010 BARKERS POINT LANE 2H OFFSHORE, INC. GULF PLAZA SUITE 120 HOUSTON TX 77079-9000 3PS, INC. 1300 ARROW POINT DRIVE CEDAR PARK TX 78613

4550 POST OAK PLACE UNILEV 4550 POST OAK PLACE DEPT. MANAGEMENT CORPORATION 144 HOUSTON TX 77210-4408 601, LLC DBA COASTAL DISTRIBUTORS, FOURCHON 56620 BEHRMAN STREET SLIDELL LA 70458 C/O MR. GABE DUHON 105 A B DOCK SERVICES, INC. TIVOLI STREET ABBEVILLE LA 70510 A&B BOLT & SUPPLY, INC. BRANDON DAWES 206 THRUWAY PARK ROAD BROUSSARD LA 70518-3604 A&B SUPPLY WAYNE BROYLES 1222 LAKE VIEW ESTATE APARTMENT 4C ALMA AR 72921-5136 A&B VALVE & PIPING SYSTEMS, L.P. P. O. BOX 677428 DALLAS TX 75267-7428 A&E - THE GRAPHICS COMPLEX A DIVISION OF THOMAS REPROGRAPHICS, INC. P. O. BOX 27286 HOUSTON TX 77227 A.C. WEBSTER LLC 4231 SOUTHWESTERN ST. HOUSTON TX 77005 A2D TECHNOLOGIES, INC. PO BOX 203086 DALLAS TX 75320 ABANDONMENT CONSULTING SERVICES LLC 1812 NANTUCKET DR HOUSTON TX 77057 ABB INC. PO BOX 88868 CHICAGO IL 60695-1868 ABB VETCO GRAY, INC. P. O. BOX 910052 DALLAS TX 75391 ABES BOAT RENTALS, INC. P. O. BOX 549 BELLE CHASSE LA 70037 ABN-AMBRO GUSTAV MAHLERLAAN 10 1082 PP AMSTERDAM THE NETHERLANDS ABN-AMBROBEVERWIJK, NETHERLANDS POSTBUS 31 BREESTRAAT BEVERWIJK 1940 AA NETHERLANDS ABS AMERICAS DIVISION P. O. BOX 201614 HOUSTON TX 77216-1614 C/O PERELLA WEINBERG PARTNERS CAPITAL ABV CLIPPER I LLC MANAGEMENT LP 767 FIFTH AVENUE NEW YORK NY 10153 ACADIANA COATINGS AND SUPPLY INC 925 RIDGE RD DUSON LA 70529 ACADIANA OIL & ENVIRONMENTAL CORP PO BOX 9088 NEW IBERIA LA 70562 ACCRUAL - 3RD PARTY RECEIVABLE ACCRUALS - REVENUE 7906 N. SAM HOUSTON ACCUDATA SYSTEMS INC PARKWAY WEST SUITE 300 HOUSTON TX 77064

ACCURATE NDE & INSPECTION 209 INDUSTRIAL TRCE BROUSSARD LA 70518 ACCURATE NDE & INSPECTION, LLC P.O. BOX 81755 LAYAYETTE LA 70598-1755 ACCUTEST / SPL ENVIRONMENT 8880 INTERCHANGE DR HOUSTON TX 77054 ACCUTEST / SPL ENVIRONMENTAL 2235 RT 130 DAYTON NJ 08810-0000 ACE AMERICAN INSURANCE CHIEF UNDERWRITING COMPANY ACE PROFESSIONAL RISK OFFICER 140 BROADWAY, 41ST FLOOR NEW YORK NY 10005 ACE AMERICAN INSURANCE ACE USA, INTERNATIONAL COMPANY ADVANTAGE 2 RIVERWAY SUITE 900 HOUSTON TX 77056 CHIEF UNDERWRITING ACE PROFESSIONAL RISK OFFICER 140 BROADWAY, 41ST FLOOR NEW YORK NY 10005 ACME TRUCK LINE, INC. MSC- 410683 P. O. BOX 415000 NASHVILLE TN 37241-5000 ACTION SPECIALTIES, LLC 7915 HWY 90 WEST NEW IBERIA LA 70560 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 1 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 14 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country ACTION WELDING & FABRICATING P. O. BOX 100 PORT OCONNOR TX 77982 ACTION WELDING AND ACTION WELDING & FABRICATING FABRICATING P. O. BOX 100 PORT OCONNOR TX 77982 ADAMS RESOURCES MARKETING, LTD ATTN GAS ACCOUTING 900 ROCKMEAD, STE 274 KINGWOOD TX 77339

ADDICKS FIRE & SAFETY, INC. 1800 SHERWOOD FOREST STE B-1 HOUSTON TX 77043 ADVANCED FIRE & SAFETY, LLC 111 JARED DR. BROUSSARD LA 70518 ADVANCED INSPECTION TECHNOLOGIES PO BOX 11770 SPRING TX 77391-1770 ADVANCED RECORD STORAGE, INC. 10692 HADDINGTON DRIVE HOUSTON TX 77043 ADVENT UNDERWRITING LIMITED 2 MINSTER COURT, 2ND FLOOR MINCING LANE LONDON EC3R 7BB UNITED KINGDOM AECHER TUBULAR SERVICES LLC PO BOX 201 DALLAS TX 75320 AEGIS MANAGING AGENCY LIMITED 33 GRACECHURCH STREET LONDON EC3V 0BT UNITED KINGDOM AFCO DEPT 0809 PO BOX 120001 DALLAS TX 75312-0809 AGGREKO LLC P. O. BOX 972562 DALLAS TX 75397-2562 AGI 220 VALLEY CREEK BLVD EXTON PA 19341 AGI INDUSTRIES, INC. PO BOX 53905 LAFAYETTE LA 70505-3905 16420 PARK TEN PLACE STE AGR FJ BROWN, INC 300 HOUSTON TX 77084 AIMS PO BOX 4346 DEPT 28 HOUSTON TX 77210-4346 AIMS INTERNATIONAL, INC. AIMS PO BOX 4346 DEPT 28 HOUSTON TX 77210-4346 AIR AND PROCESS SERVICES LLC PO BOX 15622 BATON ROUGE LA 70895 AIRGAS SOUTHWEST PO BOX 676031 DALLAS TX 75267-6031 AKER SUBSEA, INC. CENTER FOR RECEIPTS US PO BOX 421646 HOUSTON TX 77242 43 NORTH LAKE MIST AL REESE HARBOUR THE WOODLANDS TX 77381 ALAN AND CHERYL CLEMENS ALAN R & CHERYL W CLEMENS FAMILY TRUST CO TRSTES 1114 ROMAINE LANE HOUSTON TX 77090 Aldine Independent School District Aldine Independent School District Tax Office 14909 Aldine Westfield Road Houston TX 77032 ALDINE ISD TAX OFFICE 14909 ALDINE WESTFIELD RD HOUSTON TX 77032-3027 ALDONSA INC. DBA OILFIELD INSTRUMENTATION ALAN STUART 5431 HIGHWAY 90 E BROUSSARD LA 70518-5906 ALETHEIA RESEARCH & MANAGEMENT, INC. PETER EICHLER 100 WILSHIRE BOULEVARD #1960 SANTA MONICA CA 90401-1163 ALEXANDER/RYAN MARINE GROUP P. O. BOX 3108 HOUSTON TX 77253-3108 ALFORD SAFETY SERVICES INC. DBA FALCK ALFORD STATION 1 BOX 10128 HOUMA TX 70363 ALFORD SERVICES INC. STATION 1 BOX 10128 207 CLENDENNING ROAD HOUMA LA 70363 ALLAMON TOOL CO., INC. SURGE REDUCTIN PIONEERS 18935 FREEPORT DRIVE MONTGOMERY TX 77356 1345 AVENUE OF THE ALLIANCE BERNSTEIN ROGER HERTOG AMERICAS NEW YORK NY 10105-0302

ALLIANCEBERNSTEIN C/O CORPORATE SECRETARY 1345 AVENUE OF AMERICAS NEW YORK NY 10105 ALLIANZ KONIGINSTRASSE 28 MUNICH GERMANY ALLIANZ PO BOX 1344 MINNEAPOLIS MN 55416-1297

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 2 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 15 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country

ALLIANZ GLOBAL CORPORATE & SPECIALITY AG GROSSER BURSTAH 3 HAMBURG 20457 GERMANY ALLIED WORLD NATIONAL ASSURANCE COMPANY 225 FRANKLIN STREET BOSTON MA 02110 ALLIS-CHALMERS ENERGY, 10613 W SAM HOUSTON PKWY INC. N STE 600 HOUSTON TX 77064-4663 12826 WILLOW CENTER DR - ALLOCATION SPECIALISTS, LTD STE C HOUSTON TX 77066 ALLPORT SERVICES, LLC PO BOX 838 GOLDEN MEADOW LA 70357

ALPHA MARINE SERVICES, LLC PO BOX 310 GALLIANO LA 70354 Alpha Rental Tools, Inc. 4836 Hwy 182 Houma LA 70364 ALTERNATIVE POSITIONING SOLUTIONS, LLC C/O CROWN FINANCIAL, LLC PO BOX 219330 HOUSTON TX 77218 ALTERNATIVE POSITIONING SOLUTIONS, LLC PO BOX 219330 HOUSTON TX 77218 AMEC BLACK & MCDONALD 11 FRAZEE AVENUE DARTMOUTH NS B3B 1Z4 CANADA AMERICAN BANK NOTE COMPANY P.O. BOX 1931 COLUMBIA TN 38402 AMERICAN BUREAU OF SHIPPING ROBERT SOMERVILLE 16855 NORTHCHASE DRIVE #100 HOUSTON TX 77060 AMERICAN EAGLE LOGISTICS PO BOX 3307 LAFAYETTE LA 70502 AMERICAN EAGLE LOGISTICS, LLC AMERICAN EAGLE LOGISTICS PO BOX 3307 LAFAYETTE LA 70502

AMERICAN FIRE & SAFETY LLC PO BOX 1048 YOUNGSVILLE LA 70592 AMERICAN GLOBAL MARITIME, INC. 11767 KATY FWY #660 HOUSTON TX 77079 AMERICAN HEAVY INDUSTRIES, INC. 2635 AVENUE NORFOLK VA 23513-4410 AMERICAN OIL & GAS REPORTER P. O. BOX 343 DERBY KS 67037-0343 AMERICAN RECOVERY STATION 1 BOX 10254 HOUMA LA 70363 AMERICAN RESOURCES, INC 127 N CARBONDALE IL 62901 AMERICAN STOCK TRANSFER & TRUST COMPANY 6201 15TH AVENUE BROOKLYN NY 11219 AMERICAN STOCK TRANSFER & TRUST COMPANY OPERATIONS CENTER 6201 15TH AVENUE BROOKLYN NY 11219

AMLIN UNDERWRITING LIMITED ST. HELENS ONE UNDERSHAFT LONDON EC3A 8ND UNITED KINGDOM AMPOL P.O. BOX 62600, DEPT. 1145 NEW ORLEANS LA 70162 AMY K MAYNARD PO BOX 61545 HOUSTON TX 77208-1545

ANADARKO E&P COMPANY, LP PO BOX 730875 DALLAS TX 75373-0875 ANADARKO PETROLEUM CORPORATION PO BOX 730277 DALLAS TX 75373-0277 ANADARKO US OFFSHORE CORPORATION PO BOX 1330 HOUSTON TX 77251-1330

ANDRESS OIL & GAS LLP ATTN MR THURMON ANDRESS 2133 INWOOD DR HOUSTON TX 77019 ANDREW DINGEE ENTERPRISE, LLC 2518 W BANEBERRY LN LITTLETON CO 80129 ANDREWS KURTH LLP PO BOX 201785 HOUSTON TX 77216 ACCT 52192679 C/O RAYMOND ANITA LEE JAMES FIN SVCS PO BOX 12749 ST PETERSBURG FL 33733-2749

ANR PIPELINE COMPANY ATTN ACCOUNTS RECEIVABLE 717 TEXAS AVENUE HOUSTON TX 77002 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 3 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 16 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country ANR PIPELINE COMPANY DEPARTMENT 77128 P. O. BOX 77000 DETROIT MI 48277-0128 ANTARES MANAGING AGENCY LIMITED 10 LIME STREET LONDON EC3M 7AA UNITED KINGDOM AON RISK SERVICES CENTRAL, 75 REMITTANCE DRIVE STE INC. 1926 CHICAGO IL 60675-1926 AON RISK SERVICES CENTRAL, AON RISK SERVICES CENTRE INC. 75 REMITTANCE DRIVE STE 1926 CHICAGO IL 60675-1926 AON RISK SERVICES CENTRAL, AON RISK SERVICES OF TEXAS INC. 75 REMITTANCE DRIVE STE 1926 CHICAGO IL 60675-1926 AON RISK SERVICES OF 1330 POST OAK BLVD. SUITE TEXAS, INC. 900 HOUSTON TX 77056 AON RISK SERVICES SOUTHWEST, INC. 5555 SAN FELIPE ST. STE 1500 HOUSTON TX 77056 AON RISK SERVICES, INC. OF P. O. BOX 7247 - 7389 PHILADELPHIA PA 19170-7389 APACHE CORPORATION P. O. BOX 840094 DALLAS TX 75284-0094 APACHE CORPORATION PO BOX 840133 DALLAS TX 75284-0133 APACHE SHELF INC. PO BOX 847250 DALLAS TX 75284-7250 APACHE SHELF, INC 2000 POST OAK BLVD STE 1000 HOUSTON TX 77056-4400 2000 POST OAK BOULEVARD APACHE SHELF, INC STE 100 HOUSTON TX 77056-4400 4137 S. SHERWOOD FOREST APEX FCC OILFIELD SERVICES BLVD. STE. 130 BATON ROUGE LA 70816 APPLIED COATING SERVICES, INC. 14110 REEVESTON HOUSTON TX 77039 APPLIED DRILLING TECHNOLOGY INC PO BOX 4509 HOUSTON TX 77210

APS, LCC DBA SILVETTI GROUP AQUILA ENERGY CAPITAL CORPORATION 11000 WALNUT CITY MO 64106 ARCH INSURANCE COMPANY ONE LIBERTY PLAZA 53RD FLOOR NEW YORK NY 10006 ARCH INSURANCE COMPANY 6TH FLOOR, PLANTATION (EUROPE) LIMITED PLACE SOUTH 60 GREAT TOWER STREET LONDON EC3R 5AZ UNITED KINGDOM ARCHER PRODUCTION & COMPLETION SER. LLC P. O. BOX 201686 DALLAS TX 75320 ARCHER RENTAL SERVICES LLC P. O. BOX 201734 DALLAS TX 75320-1734 ARENA ENERGY, LLC 4200 RESEARCH FOREST DR SUITE 500 THE WOODLANDS TX 77381 ARENA OFFSHORE, LLC 4200 RESEARCH FOREST DR STE 230 THE WOODLANDS TX 77381 ARGENTA SYNDICATE MANAGEMENT LIMITED FOUNTAIN HOUSE 130 FENCHURCH STREET LONDON EC3M 5DJ UNITED KINGDOM ARGO MANAGING AGENCY LIMITED EXCHEQUER COURT 33 ST MARY AXE LONDON EC3A 8AA UNITED KINGDOM ARGUS MACHINE CO. LTD 5820 - 97 STREET EDMONTON AB T6E 3J1 CANADA ARGUS MEDIA INC. PO BOX 841084 DALLAS TX 75284-1084 ARI NACHMANOFF GREEN CAPITAL 800 BOYLSTON STREET BOSTON MA 02199-0000 ARIES RESOURCES LLC ONE HOUSTON CENTER 1221 MCKINNEY, STE 3100 HOUSTON TX 77010 ARK SYNDICATE MANAGEMENT LIMITED 30 FENCHURCH AVENUE LONDON EC3M 5AD UNITED KINGDOM ARTHUR H. DILLY 5004 CEDRO TRAIL AUSTIN TX 78731

ARTHUR J GALLAGHER RISK MANAGEMENT SERVICES, INC. PO DRAWER 51187 LAFAYETTE LA 70505-1187 ARTIO GLOBAL 330 MADISON AVE NEW YORK NY 10017 ARTISANFIELD VISUAL 1225 NORTH LOOP WEST, COMMUNICATIONS SUITE 250 HOUSTON TX 77008 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 4 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 17 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country ASCE P.O. BOX 79162 BALTIMORE MD 21279-0162 ASCOT UNDERWRITING LIMITED PLANTATION PLACE 30 FENCHURCH STREET LONDON EC3M 3BD UNITED KINGDOM

ASPEN INSURANCE UK LIMITED 100 LEADENHALL STREET 1ST FLOOR LONDON EC3A 3DD UNITED KINGDOM ASPEN MANAGING AGENCY LIMITED 30 FENCHURCH STREET LONDON EC3M 3BD UNITED KINGDOM ASPEN PUBLISHERS 4829 INNOVATION WAY CHICAGO IL 60682-0048 ASSURANT EMPLOYEE BENEFIT 2323 GRAND BLVD. KANSAS CITY MO 64108 ASSURANT EMPLOYEE BENEFITS POLICY 5448614 PO BOX 843300 KANSAS CITY MO 64184-3300 ASTRO-BOND CO., INC. P. O. BOX 60008 LAFAYETTE LA 70596-0008 AT&T PO BOX 5001 CAROL STREAM IL 60197-5001 AT&T PO BOX 660921 DALLAS TX 75266-0921 AT&T MOBILITY PO BOX 6463 CAROL STREAM IL 60197-6463 ATCHAFALAYA MEASUREMENT, INC. ATCHAFALAYA MEASUREMENT 124 CREDIT DRIVE SCOTT LA 70583 ATKINSON BROS. AGENCY NOTARY PUBLIC LICENSING DIVISION P.O.BOX 271989 HOUSTON TX 77277 ATLANTIC COMMUNICATIONS 1635 W. HOUSTON TX 77006-4196 ATP EAST MED B.V. 4600 POST OAK PLACE SUITE 100 HOUSTON TX 77027-9726

ATP EAST MED NUMBER 1 B.V. 4600 POST OAK PLACE SUITE 100 HOUSTON TX 77027-9726

ATP EAST MED NUMBER 2 B.V. 20 LINCOLN ST BEIT RUBINSTEIN, 20TH FLOOR TEL AVIV 67134 ISRAEL

ATP EAST MED NUMBER 3 B.V. 20 LINCOLN ST BEIT RUBINSTEIN, 20TH FLOOR TEL AVIV 67134 ISRAEL ATP ENERGY, INC. T PAUL BULMAHN 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027-9726 ATP EXPLORATION, INC. T PAUL BULMAHN 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027-9705 ATP HOLDCO, LLC LELAND E. TATE 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027 ATP INFRASTRUCTURE PARTNERS, L.P. 800 BRAZOS STE 400 AUSTIN TX 78701

ATP IP 20 LINCOLN ST BEIT RUBINSTEIN, 20TH FLOOR TEL AVIV 67134 ISRAEL ATP IP-GP, LLC GEORGE R MORRIS 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027 ATP IP-LP, LLC 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027-9726 ATP OIL & GAS (NETHERLANDS) B.V. DOKWEG 31-B 1976 CA IJMUIDEN, 0255 523377 NETHERLANDS ATP OIL & GAS (UK) LIMITED VICTORIA HOUSE LONDON SQUARE CROSS LANES GUILDFORD SURREY GU1 1UJ UNITED KINGDOM ATP OIL & GAS CORP. T PAUL BULMAHN 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027-9705 4600 POST OAK PLACE, STE ATP OIL & GAS CORPORATION 200 HOUSTON TX 77027-2921 ATP TITAN 4600 POST OAK PLACE DRIVE SUITE 100 HOUSTON TX 77027-9726 ATP TITAN HOLDCO, LLC 4600 POST OAK PLACE DRIVE # 200 HOUSTON TX 77027-9705 ATP TITAN, LLC 2600 POST OAK PLACE HOUSTON TX 77027 ATRIUM UNDERWRITERS LIMITED LLOYDS, ROOM 790 1 LIME STREET LONDON EC3M 7DQ UNITED KINGDOM AUSTIN I LLC AUSTIN I LLC C/O MSD CAPITAL LP 645 FIFTH AVE-21ST FLOOR NEW YORK NY 10022 AUTO-COMM P.O. BOX 3307 LAFAYETTE LA 70502 AUTOMATIC POWER, INC. P. O. BOX 4346, DEPT. 253 HOUSTON TX 77210-4346 AVIATION SPECTRUM RESOURCES 2551 RIVA ROAD ANNAPOLIS MD 21401 AVIATION SPECTRUM RESOURCES, INC. M&T BANK PO BOX 62113 BALTIMORE MD 21264-2113 AXA 25 AVENUE MATIGON PARIS 75008 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 5 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 18 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country AXA MARCELO CASTANEDA 7201 BISHOP ROAD # 200 PLANO TX 75024-3649 AXIS SPECIALTY EUROPE LIMITED MOUNT HERBERT COURT 34 UPPER MOUNT STREET DUBLIN 2 IRELAND AXON PRESSURE PRODUCTS 8909 JACKRABBIT RD. HOUSTON TX 77095 B & B OILFIELD DO NOT USE P.O. BOX 803 BELLE CHASSE LA 70037

B & B OILFIELD SERVICES, LLC B & B OILFIELD DO NOT USE P.O. BOX 803 BELLE CHASSE LA 70037 B & J MARTIN, INC. POST OFFICE BOX 448 CUT OFF LA 70345 B T ROWLEY 2005 AUDUBON ST NEW ORLEANS LA 70118 B&B OILFIELD SERVICES, INC PO BOX 207 BROUSSARD LA 70518 B.O.P. CONTROLS, INC. 1113A RIDGE ROAD DUSON LA 70529 BABC BRITISH CONSULATE P. O. BOX 421234 HOUSTON TX 77242 BADGER OIL CORPORATION ATTN ACCOUNTING PO DRAWER 52745 LAFAYETTE LA 70505

BAGWELL ENERGY SERVICES PO BOX 3742 LAFAYETTE LA 70502 BAGWELL ENERGY SERVICES, INC. BAGWELL ENERGY SERVICES PO BOX 3742 LAFAYETTE LA 70502 BAKER & HOSTETLER, L. L. P. COUNSELLORS AT LAW 1000 , SUITE 2000 HOUSTON TX 77002-5009 BAKER HUGHES BUSINESS SUPPORT SERVICES P. O. BOX 200415 HOUSTON TX 77216-0415 BAKER HUGHES INTEQ P. O. BOX 200417 HOUSTON TX 77216 BAKER HUGHES OILFIELD OPERATIONS, INC. AND P BAKER HUGHES INTEQ P. O. BOX 200417 HOUSTON TX 77216 BAKER OIL TOOLS USE# 1910 3809 MAGNOLIA ST PEARLAND TX 77584-1609 BANDEL INTERESTS LLC THREE RIVERWAY STE 1025 HOUSTON TX 77056 P.O.B. 27, 50 50 ROTHSCHILD BANK HAPOALIM BLVD TEL AVIV 61000 ISRAEL BANK HAPOALIM 225 N AVE CHICAGO IL 60601-7616 BARBARA GEORGE 2123 FORT LARAMIE DR. KATY TX 77449 BARCLAYS BANK PLC 93 BAKER STREET LONDON W1A 4SD UK BARCLAYS BANK PLC 2701 QUEENS PLAZA N FLOOR 11 LONG ISLAND CITY NY 11101-4022 BARDEX CORPORATION 6300 LINDMAR DRIVE GOLETA CA 93116 BARRY W BROOME 388 PIPPINPOST CONWAY AR 72034 BAYOU INDUSTRIAL SUPPLY LLC PO BOX 158 RACELAND LA 70394

BAYOU INSPECTION SERVICES WILLIE TEZNO 318 DEGRAVELLE ROAD MORGAN CITY LA 70380 BAYOU TESTERS PO BOX 2336 MORGAN CITY LA 70381 BBVA/COMPASS GEORGE L SHERLING 9090 SKILLMAN STREET #100 DALLAS TX 75243-8259 BEALL BANK 161 LINDEN ST #105 WELLESLEY MA 02482 BEATRIZ CANALE LERDO DE TEJADA KEPLER 35 COL. ANZURES DF 11590 MEXICO BEAZLEY FURLONGE LIMITED PLANTATION PLACE SOUTH 60 GREAT TOWER STREET LONDON EC3R 5AD UNITED KINGDOM BECKY SHAW BECKY SHAW 5035 WOODSHORE LANE FULSHEAR TX 77441 Bedrock Petroleum Consultants LLC One Greenway Plaza Ste 200 Houston TX 77046 Bedrock Petroleum Consultants LLC PO Box 81547 Lafayette LA 70598 Bedrock Petroleum Consultants Bedrock Petroleum Consultants LLC LLC One Greenway Plaza Ste 200 Houston TX 77046 BEE MAR LLC PO BOX 62600 DEPT 1102 NEW ORLEANS LA 70162-2600 BEIRNE MAYNARD & PARSONS RE BISON CAPITAL LLP CORPORATION BRIT BROWN 1300 POST OAK BLVD SUITE 2500 HOUSTON TX 77056 BEIRNE MAYNARD & PARSONS RE DOMINIC WHITE LLP DERIVATIVELY BRIT BROWN 1300 POST OAK BLVD SUITE 2500 HOUSTON TX 77056

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 6 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 19 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country RE ENSCO ANDSALAZAR AND BEIRNE MAYNARD & PARSONS DEPARTMENT OF THE LLP INTERIOR BRIT BROWN 1300 POST OAK BLVD SUITE 2500 HOUSTON TX 77056 BEIRNE MAYNARD & PARSONS RE PIONEER NATURAL LLP RESOURCES USA, INC. BRIT BROWN 1300 POST OAK BLVD SUITE 2500 HOUSTON TX 77056 BEIRNE MAYNARD & PARSONS RE THE UNITED STATES OF LLP AMERICA BRIT BROWN 1300 POST OAK BLVD SUITE 2500 HOUSTON TX 77056 BEIRNE, MAYNARD & PARSONS, L.L.P. P.O. BOX 27457 HOUSTON TX 77227-7457 BEL VALVE 9000 MONROE RD HOUSTON TX 77061-5229

BELL, RYNIKER & LETOURNEAU ATTN MICHAEL K. BELL 5847 SAN FELIPE, SUITE 4600 HOUSTON HOUSTON TX 77057 BELL, RYNIKER & LETOURNEAU, P.C. 5847 SAN FELIPE SUITE 4600 HOUSTON TX 77057

BELLIS FAMILY VENTURES LLC ATTN SUZANNE BELLIS PO BOX 581 EDWARDS CO 81632 BELLWETHER EXPLORATION COMPANY PO BOX 201955 HOUSTON TX 77216-1955 BENJAMIN T FAULK 4116 CASON HOUSTON TX 77005 BENNETT & ASSOCIATES LISA SCRANTZ 7125 JEFFERSON HIGHWAY BATON ROUGE LA 70806-8114

BENNETT & ASSOCIATES, LLC 5177 RICHMOND AVE STE 1188 HOUSTON TX 77056 BENOIT P. O. BOX 1419 HOUMA LA 70361 BENOIT MACHINE, LLC BENOIT P. O. BOX 1419 HOUMA LA 70361 BENTON COMPLETION SERVICES, INC. PO BOX 2318 HOUMA LA 70361 BERNARD J PACKARD, SR 5300 MEMORIAL DR, STE 550 HOUSTON TX 77007 BESCO TUBULAR ANTOINETTE BENTON 728 HENDERSON AVENUE WASHINGTON PA 15301 BEST EQUIPMENT SERVICE & SALES PO BOX 7095 TYLER TX 75711 BETSY CLELAND BICO DRILLING TOOLS, INC. PO BOX 201676 HOUSTON TX 77216-1676 BINGHAM MCCUTCHEN LLP PO BOX 3486 BOSTON MA 02241-3486 ATTN JEFFREY W GUTCHESS, BISON CAPITAL CORPORATION ESQ 111 BRICKELL AVE MIAMI FL 33139

BISON CAPITAL CORPORATION C/O HUNTON & WILLIAMS LLP JEFFERY W GUTCHESS 1111 BRICKELL AVE MIAMI FL 33139 BISON ENERGY PARTNERS, RSEC II LLC OPERATING 12941 NORTH FREEWAY, STE INC ACCCOUNT 206 HOUSTON TX 77060 BJ CHEMICAL SERVICES PO BOX 203966 HOUSTON TX 77216-3966

BJ SERVICES COMPANY (USA) PO BOX 203966 HOUSTON TX 77216-3966 BJC HEALTH SYSTEM 4444 FOREST PARK AVE. ST. LOUIS MO 63108 BJC PENSION PLAN TRUST BNY MELLON CENTER 500 GRANT STREET PITTSBURGH PA 15258 BLACK ELK ENERGY OFFSHORE OPERATIONS 11451 KATY FREEWAY, STE 500 HOUSTON TX 77079 BLACK ELK ENERGY OFFSHORE OPERATIONS 11451 KATY FREEWAY STE 500 HOUSTON TX 77079 BLACK GOLD SERVICES LLC P.O. BOX 257 BUFORD GA 30515 BLACK HAWK SPECIALTY TOOLS LLC 191 PALMER INDUSTRIAL ROAD WILLIAMSPORT PA 17701-8518 BLACK WARRIOR WIRELINE BLACK WARRIOR WIRELINE CORPORATION CORP. DEPARTMENT 2114 P. O. BOX 122114 DALLAS TX 75312-2114 BLACKHAWK SPECIALTY TOOLS LLC PO BOX 2382 HOUSTON TX 77252-2382 BLACKROCK 1600 MARKET ST 28TH FLOOR PHILADELPHIA PA 19103 BLACKROCK PARK AVENUE PLAZA 55 EAST 52ND ST NEW YORK NY 10055 BLACKWATER DIVING LLC 112 FORREST ROAD MORGAN CITY LA 70380 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 7 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 20 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country BLANCHARD CONTRACTORS, INC. P O BOX 884 CUT OFF LA 70345 BLUE CHIP ROYALTY PARTNERSHIP C/O CHARLES W BROWN PO BOX 587 MARLOW OK 73055-0587 BLUE OCEAN TECHNOLOGIES LLC 3321 E DAVIS ST CONROE TX 77301-7224 BLUE OCEAN TECHNOLOGIES, LLC 701 N. FIRST LUFKIN TX 75901 BLUEWATER INDUSTRIES 5300 MEMORIAL DR STE 550 HOUSTON TX 77007 BLUEWATER INDUSTRIES, LP 5300 MEMORIAL DRIVE SUITE 550 HOUSTON TX 77007 BLUEWATER RUBBER & GASKET CO. PO BOX 190 HOUMA LA 70361 800 TOWN AND COUNTRY BOA MARINE SERVICES, INC. CITY CENTER ONE BLVD STE 220 HOUSTON TX 77024 BORDELON MARINE, INC. P. O. BOX 619 LOCKPORT LA 70374 BP 1 ST JAMES SQ LONDON SW1Y 4PD UNITED KINGDOM 501 WESTLAKE PARK BP BOULEVARD HOUSTON TX 77079

BP AMERICA PRODUCTION CO P.O. BOX 277897 ATLANTA GA 30384-7897

C/O BP AMOCO PRICEWATERHOUSECOOPERS BPO SOLUTIONS 521 SOUTH BOSTON, S1256A TULSA OK 74103 BRACEWELL & GIULIANI LLP BRENDA COOK CIALONE 711 LOUISIANA STREET #2900 HOUSTON TX 77002-2770 BRACEWELL & GIULIANI LLP. 711 LOUISIANA STREET SUITE 2300 HOUSTON TX 77002-2770 Bradford R. McFarling & Deanna McFarling P.O. Box 11818 College Station TX 77842 BRAY SALES TEXAS PO BOX 840143 DALLAS TX 75284-0143 BRENT LONGNECKER 11011 JONES RD STE 200 HOUSTON TX 77070 BRENT M. LONGNECKER BRENT LONGNECKER 11011 JONES RD STE 200 HOUSTON TX 77070 BRIAN DAVID BURKE 520 POST OAK BLVD, STE 475 HOUSTON TX 77027 BRIAN NELSON HOUSTON TX BRISTOW U.S. LLC DEPT 890149 PO BOX 120149 DALLAS TX 75312-0149 BRISTOW US LLC (FORMERLY AIR LOGISTICS) 4605 INDUSTRIAL DRIVE NEW IBERIA LA 70560 BRISTOW US LLC FORMERLY AIR LOGISTICS LLC 4605 INDUSTRIAL DR NEW IBERIA LA 70560 BRIT SYNDICATES LIMITED 2ND FLOOR 55 BISHOPSGATE LONDON EC2N 3AS UNITED KINGDOM BROADPOINT P. O. BOX 54898 NEW ORLEANS LA 70154-4898 BROADRIDGE P. O. BOX 416423 BOSTON MA 02241-6423 BRONCO OILFIELD SERVICES PO BOX 910283 DALLAS TX 75391 BROTHER INTERNATIONAL EMA DEPARTMENT PO BOX 6911 BRIDGEWATER NJ 08807-0000 BROUSSARD & DAVID LLC BROUSARD BROTHERS INC PO BOX 1740 ABBEVILLE LA 70511-1740 8080 NORTH CENTRAL BROWNING OFFSHORE, INC EXPRESSWAY STE 780, LB41 DALLAS TX 75206 BRUCE & CO. 20 N WACKER DR STE 2414 CHICAGO IL 60606 BRUCE & CO. ROBERT B BRUCE 20 N WACKER DRIVE # 2414 CHICAGO IL 60606-3004 BRUNSWICK PRESS, INC. 9430 BAYTHORNE DRIVE HOUSTON TX 77041-7797 BRYAN TRAHAN 5151 MITCHELLDALE SUITE A- BSI 10 HOUSTON TX 77092 BULLDOG CHEMICALS, LLC. 29030 LAKE HOUSTON LANE HUFFMAN TX 77336 BUREAU OF OCEAN ENERGY MANAGEMENT (BOEM) 1849 C STREET NW WASHINGTON DC 20240 BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT (BSEE) 1849 C STREET NW WASHINGTON DC 20240 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 8 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 21 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country BURNER FIRE CONTROL, INC. P.O. BOX 53637 LAFAYETTE LA 70505-3637 BURNHAM SECURITIES ATTN EDWARD KOVALIK KLR GROUP 510 MADISON, 10TH FLOOR NEW YORK NY 10022 BURT A. ADAMS OGRS, LLC P. O. BOX DRAWER 2447 MORGAN CITY LA 70381 Burt M. Weiss & Susan I. Weiss JT JEN 7430 Cromwell Ave Clayton MO 63105 BUSINESS WIRE, INC. DEPARTMENT 34182 P. O. BOX 39000 SAN FRANCISCO CA 94139 BUSKOP LAW GROUP 4511 DACOMA STREET HOUSTON TX 77092 BUSKOP LAW GROUP ATTN WENDY BUSKOP 4511 DACOMA ST. HOUSTON HOUSTON TX 77092 BYRD INTERIOR 2123 W. GOVERNORS CIRCLE CONSTRUCTION LP STE 100 HOUSTON TX 77092 C & C TECHNOLOGIES SURVEY SERVICES 730 E. KALISTE SALOOM ROAD LAFAYETTE LA 70508 C & H PIPE SERVICES, INC. 16641 WOOD DR. P. O. BOX 477 CHANNELVIEW TX 77530 C C SORRELLS PO BOX 6590 METAIRIE LA 70009-6590 C FIELD SVCS LOUISIANA MIDSTREAM 1001 1833 S MORGAN RD CITY OK 73128-7004 C H MURRISH 1615 POYDRAS, 5TH FLOOR NEW ORLEANS LA 70112 C&D PRODUCTION SPECIALISTS, INC. CHARLIE LONG 6013 HWY. 1 COUSHATTA, LA 70345 1216 SOUTH BAYOU DRIVE PO C&G BOATS INC BOX 789 GOLDEN MEADOW LA 70357 C&H PIPE SERVICES, INC. BRIAN JONES 16641 WOOD DRIVE CHANNELVIEW TX 77530-2737 CAJUN AUDITS, LLC PO BOX 2007 SCOTT LA 70583-2007 CAJUN CUTTERS, INC. PO BOX 5041 HOUMA LA 70361-5041

CAL DIVE INTERNATIONAL, INC. DEPARTMENT 935 P. O. BOX 4346 HOUSTON TX 77210-4346

CAL DIVE INTERNATIONAL, INC. P. O. BOX 4346 HOUSTON TX 77210-4346 CAL DIVE OFFSHORE CONTRACTORS CAL DIVE INTERNATIONAL, INC. P. O. BOX 4346 HOUSTON TX 77210-4346 CALYPSO EXPLORATION LLC 808 TRAVIS ST STE 2300 HOUSTON TX 77002 CALYPSO EXPLORATION, LLC 2626 COLE AVE STE 620 DALLAS TX 75201 CAMBRIAN CONSULTANTS (CC) AMERICA, INC. DBA NORTHBROUGH ATRIUM II 350 HOUSTON TX 77067 CAMBRIAN CONSULTANTS 411 N SAM HOUSTON PKWY E AMERICA DBA RPS STE 400 HOUSTON TX 77060 CAMERON P. O. BOX 730491 DALLAS TX 75373-0491 CAMERON CABLE & CORDAGE, INC. P. O. BOX 487 CAMERON LA 70631 CAMERON INTERNATIONAL CORPORATION 1333 WEST LOOP S STE 1700 HOUSTON TX 77027 CAMERON RENTAL & TANK 111 GARBER ST. CAMERON LA 70631 CAMP FOR ALL 10500 NW FREEWAY STE 220 HOUSTON TX 77092 CAN USA INC. 1800 JUTLAND DRIVE HARVEY LA 70058 CANAL ENERGY & SERVICES, INC. 420 INDUSTRIAL PARKWAY DR. BOGALUSA LA 70427 CANAL ENERGY& SERVICES, CANAL ENERGY & SERVICES, INC. INC. 420 INDUSTRIAL PARKWAY DR. BOGALUSA LA 70427 CANDLEWOOD CREDIT VALUE MASTER FUND II L.P. 777 3RD AVENUE ROOM 19A NEW YORK NY 10017-1323 CANOPIUS MANAGING AGENTS LIMITED GALLERY 9 ONE LIME STREET LONDON EC3M 7HA UNITED KINGDOM CANRIG DRILLING TECHNOLOGY LTD PO BOX 973608 DALLAS TX 75397-3608 CANYON OFFSHORE, INC. 5212 BRITTMOORE RD HOUSTON TX 77041 CAPITOL SERVICES INC. PO BOX 1831 AUSTIN TX 78767 CAPROCK COMMUNICATIONS 4400 S. SAM HOUSTON PKWY USE# 1267 DO NOT USE# 1081 EAST HOUSTON TX 77048 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 9 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 22 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country CAPROCK COMMUNICATIONS, CAPROCK COMMUNICATIONS 4400 S. SAM HOUSTON PKWY INC. USE# 1267 EAST HOUSTON TX 77048 CARGOTEC USA INC. LENNART BRELIN 12233 WILLIAMS ROAD PERRYSBURG OH 43551-6802 Carol E Doke 133 River Walk Trl New Market AL 35261 Carol E Doke 133 River Walk Trl New Market AL 35761 CAROL E OVERBEY 5 ROCKWOOD DR OTTAWA KS 66067 CARROLLS DISCOUNT OFFICE 5615 SOUTH RICE HOUSTON TX 77081 CASE-POMEROY OIL CORPORATION 529 FIFTH AVENUE, STE 1600 NEW YORK NY 10017 195 SOUTHBELT INDUSTRIAL CASETECH INTERNATIONAL DRIVE HOUSTON TX 77047 CASEY JONES 13107 QUEENSBURY LN HOUSTON TX 77079 CASTROL OFFSHORE, BP LUBRICANTS USA INC. PO BOX 409383 ATLANTA GA 30384 CASTROL OFFSHORE, BP CASTROL OFFSHORE, BP LUBRICANTS USA INC. LUBRICANTS USA INC PO BOX 409383 ATLANTA GA 30384 ROYAL TRUST TOWER STE CATALYST CAPITAL 77 KING STREET WEST 4320 TORONTO ON M5K 1J3 CANADA

77 KING STREET WEST CATALYST CAPITAL ROYAL TRUST TOWER TD BANK CENTRE SUITE 4320, PO BOX 212 TORONTO ON M5K 1J3 CANADA CATLIN UNDERWRITING AGENCIES LIMITED 20 GRACECHURCH STREET LONDON EC3V 0BG UNITED KINGDOM 363 N SAM HOUSTON CCS ENERGY SERVICES, LLC PHIL VOGEL PARKWAY E #330 HOUSTON TX 77060-2405 CCS MIDSTREAM SERVICES, LLC PO BOX 840730 DALLAS TX 75284-0730 CDL INC. 10661 SHADOW WOOD DRIVE HOUSTON TX 77043 CDW DIRECT LLC PO BOX 75723 CHICAGO IL 60675-5723 CENTRAL DISPATCH, INC. PO BOX 2070 GRETNA LA 70054 CENTURY EXPLORATION COMPANY ROYALTY ACCOUNT 316 WEST HIGH ST LEXINGTON KY 40507 CETCO OILFIELD SERVICES CO. PO BOX 202172 DALLAS TX 75320-2172 CETCO OILFIELD SERVICES CETCO OILFIELD SERVICES COMPANY CO. PO BOX 202172 DALLAS TX 75320-2172 CFS SERVICES, INC. PO BOX 415565 BOSTON MA 02241-5565 5089 COLLECTIONS CENTER CGLIC CGLIC-CHATTANOOGA DR. CHICAGO IL 60693-0050 CHALLENGER MINERALS INC PARK TEN CENTRE 1311 BROADFIELD BLVD STE 500 HOUSTON TX 77084 CHALMERS, COLLINS & ALWELL, INC. PO BOX 52287 LAFAYETTE LA 70505 CHAMPION TECHNOLOGIES P.O. BOX 2243 HOUSTON TX 77252-2243 CHAMPION TECHNOLOGIES, INC. CHAMPION TECHNOLOGIES P.O. BOX 2243 HOUSTON TX 77252-2243 CHAPMAN CONSULTING, INC. P.O.BOX 428 CARENCRO LA 70520 CHARLES DUBOIS 7614 CLAYTON STREET HOUSTON TX 77061 CHARLES HOLSTON, INC. 5070 PAYSPHERE CIRCLE CHICAGO IL 60674 CHARLES W HUBBARD 13706 LOST CREEK RD TOMBALL TX 77375 CHAUCER SYNDICATES LIMITED PLANTATION PLACE 30 FENCHURCH STREET LONDON EC3M 3AD UNITED KINGDOM CHET MORRISON CONTRACTORS, INC. # 9 BAYOU DULARGE ROAD HOUMA LA 70363 CHET MORRISON CONTRACTORS, LLC PO BOX 3301 HOUNA LA 70361 CHEVRON ENERGY CHEVRON NORTH AMERICA TECHNOLOGY COMPANY 1500 LOUISIANA ST HOUSTON TX 77002

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 10 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 23 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country CHEVRON NORTH AMERICA EXPLORATION AND PRODUCTION COMPANY PO BOX 730436 DALLAS TX 75373-0436 CHEVRON NORTH AMERICA EXPLORATION AND CHEVRON NORTH AMERICA PRODUCTION EXPLORATION AND P.O. BOX 730436 DALLAS TX 75373-0436

CHEVRON PIPE LINE COMPANY P O BOX 731092 DALLAS TX 75373-1092 CHEVRON U.S.A., INC. P. O. BOX 730121 DALLAS TX 75373-0121 CHEVRONTEXACO EXPLORATION AND PRODUCTION COMPANY PO BOX 730436 DALLAS TX 75373-0436 CHIEFTAIN INTERNATIONAL (US), INC C/O HUNT OIL COMPANY JOINT INTEREST ACCOUNTING FOUNTAIN PLACE 1445 ROSS AVENUE DALLAS TX 75202 CHOU ASSOCIATES 110 SHEPPARD AVE EAST STE 301, BOX 18 ONTARIO ON M2N 6Y8 CANADA CHOU ASSOCIATES 110 SHEPPARD AVE EAST SUITE 301, BOX 18 TORONTO ON M2N 6Y8 CANADA CHRIS A. BRISACK CHRIS BRISACK 2111 HOLLY HALL #2912 HOUSTON TX 77054 CHRISTOPHER HEFLIN 12422 RIP VAN WINKLE HOUSTON TX 77024 CHULA ENTERPRISES LLC 500 NORTH THIRD STREET CHULA ENTERPRISES LLC SUITE 205 FAIRFIELD IA 52556 CIMA ENERGY, LTD 100 WAUGH, 5TH FLOOR HOUSTON TX 77007 CINCO ENERGY SERVICES 8811 GAYLORD DRIVE HOUSTON TX 77024 CINERGY 1100 LOUISIANA STE 4950 HOUSTON TX 77002 CIRCULATION TOOLS, LLC 1667 WIEMANN RD HOUMA LA 70363 CITICORP NORTH AMERICA PO BOX PHILADELPHIA PA 19170-8614 390 GREENWICH STREET, 7TH CITICORP NORTH AMERICA INC FLOOR NEW YORK NY 10013

CITICORP NORTH AMERICA INC ATTN DON DIMITRIEVICH 390 GREENWICH ST 7TH FL NEW YORK NY 10013 CITRIX ONLINE FILE 50264 LOS ANGELES CA 90074-0264 C/O SUBSCRIPTION CITRIX SYSTEMS, INC. ADVANTAGE 851 WEST CYPRESS ROAD FORT LAUDERDALE FL 33309 3618 COLLECTION CENTER CLARIANT CORPORATION DRIVE CHICAGO IL 60693-0036 C/O ATP OIL AND GAS CLARK WALRAVEN CORPORATION 4600 POST OAK PLACE DR HOUSTON TX 77027-9726 CLARKSON RESEARCH SERVICES ST. MAGNUS HOUSE 3 LOWER THAMES STREET LONDON EC3R 6HE UNITED KINGDOM CLARKSON RESEARCH SERVICES LIMITED 15 THE HOMEND HEREFORDSHIRE HR8 1BN UK CLEAN GULF ASSOCIATES PO BOX 4869 DEPT 368 HOUSTON TX 77210-4869 CLEAN H2O SERVICES INC. MR. COLIN TYRIE, 15906 HEATHERDALE DRIVE, HOUSTON TX 77059. 281 480- 3087 MR. COLIN TYRIE, 15906 HEATHERDALE DRIVE HOUSTON TX 77059 CLEAN TANK LLC PO BOX 310 GALLIANO LA 70354 CLERK, SUPREME COURT P.O. BOX 149335 AUSTIN TX 78714-9335 CLIFF DRONET CLIFFORD S FOSS, JR 13002 APPLE TREE HOUSTON TX 77079 CLINICAL SCIENCE, INC. PO BOX 182 HITCHCOCK TX 77563-0182 CLK COMPANY, LLC 15105-D JOHN J DELANEY DR BOX 007 CHARLOTTE NC 28277 CLMG CORP 7195 DALLAS PKWY PLANO TX 75024 CLMG CORP, AS AGENT 6000 LEGACY DRIVE PLANO TX 75024 C-LOGISTICS 106 9TH STREET LOT #1 PORT FOURCHON GOLDEN MEADOW LA 70357 CM SERVICE COMPANY, INC. 7411 MESA DRIVE HOUSTON TX 77027 CMS TRUNKLINE GAS COMPANY PO BOX 201203 HOUSTON TX 77216-1203 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 11 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 24 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country COAST ENERGY GROUP 1600 HIGHWAY 6, STE 400 SUGAR LAND TX 77479 3520 VETERANS MEMORIAL COASTAL CHEMICAL CO., L.L.C. DRIVE ABBEVILLE LA 70510 COASTAL CHEMICAL CO., LLC WHITNEY DEPT 2214 P. O. BOX 122214 DALLAS TX 75312-2214 COASTAL POWER SYSTEMS 211 BLUE BELL ROAD HOUSTON TX 77037 COASTAL SUPPLY INC PO BOX 90366 LAFAYETTE LA 70509 COBOLT INTERNATIONAL ENERGY LYNNE HACKEDORN 920 MEMORIAL CITY WAY SUITE 100 HOUSTON TX 77024 COBOLT INTERNATIONAL 1980 POST OAK BLVD. ENERGY INC. ATTEN RHONDA VAUGH TWO POST OAK CENTRAL STE 1200 HOUSTON TX 77056 COCHRANE TECHNOLOGIES, INC. P. O. BOX 81276 LAFAYETTE LA 70598-1276 COCKRELL OIL & GAS, LP 1600 SMITH, STE 4600 HOUSTON, TX 77002-7348 COGZ SYSTEMS, LLC 58 STEEPLE VIEW LANE WOODBURY CT 06798-0000 COHANZICK ABSOLUTE RETURN MASTER FUND, LTD COHANZICK ABSOLUTE RETURN MASTER FUND, LTD 427 BEDFORD ROAD PLEASANTVILLE NY 10570 COHANZICK CREDIT OPPORTUNITIES MASTER FUND, LTD COHANZICK CREDIT OPPORTUNITIES MASTER FUND, LTD 427 BEDFORD ROAD PLEASANTVILLE NY 10570 COHANZICK CREDIT OPPORTUNITIES MASTER FUND, LTD COGZ SYSTEMS, LLC 58 STEEPLE VIEW LANE WOODBURY CT 06798 COHANZICK HIGH YIELD INSTITUTIONAL MASTER FUND OGIER FIDUCIARY SERVICES LTD (CAYMAN) LTD, 89 NEXUS WAY CAMANA BAY KY1-9007 KY COHANZICK HIGH YIELD INSTITUTIONAL MASTER FUND LTD

COIL TUBING SERVICES, L.L.C. 814 SAINT ETIENNE RD BROUSSARD LA 70518 COIL TUBING SERVICES, LLC P. O. BOX 201166 DALLAS TX 75320-1166 COLBERT INVESTMENT 701 BRICKELL AVENUE, SUITE MANAGEMENT KARIM ARMAND, PRESIDENT 2080 MIAMI FL 33131

COLLARINI ENGINEERING, INC. 3100 WILCREST DRIVE SUITE 140 HOUSTON TX 77042

COLLARINI ENGINEERING, INC. 3100 WILCREST DRIVE SUITE DBA COLLARINI ASSOCIATES 140 HOUSTON TX 77042 COMCAST P. O. BOX 660618 DALLAS TX 75266-0618 COMM ENGINEERING DO NOT USE USE 3887 PO BOX 53463 LAFAYETTE LA 70805 COMMERCE AND INDUSTRY INSURANCE COMPANY COMMERCE AND INDUSTRY (CHARTIS) INSURANCE COMPANY 175 WATER STREET 18TH FLOOR NEW YORK NU 10038 COMPLT OILFIELD MGT & MAINT INC P O BOX 53463 LAFAYETTE LA 70505-3463 COMPLT OILFIELD MGT & MAINT INC DBA COMM ENGINEERING INC P O BOX 53463 LAFAYETTE LA 70505-3463 COMPRESSED AIR SYSTEMS LLC GERRY J. LASSEIGNE 103 GUERNSEY LANE YOUNGSVILLE LA 70592 Compressed Air Systems, LLC 108 Guernsey Ln. Youngsville LA 70592 COMPRESSED AIR SYSTEMS, LLC PO BOX 80008 LAFAYETTE LA 70598 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 12 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 25 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country COMPTROLLER OF PUBLIC ACCOUNTS 111 E. 17TH STREET AUSTIN TX 78774-0100 414 HUNGERFORD DRIVE COMPUTER PACKAGES INC. THIRD FLOOR ROCKVILLE MD 20850 COMSTOCK OFFSHORE 9032 GRAND CAILLOU ROAD DULAC LA 70353-2116 CONCENTRIC PIPE & TOOL RENTALS DEPT. 2200 P. O. BOX 122200 DALLAS TX 75312-2200 CONTINENTAL CASUALTY COMPANY 333 SOUTH WABASH AVENUE CHICAGO IL 60685 CONTINENTAL CASUALTY COMPANY 333 SOUTH WABASH CHICAGO IL 60604 CONTINENTAL CONTROLS CORPORATION 8845 REHCO ROAD SAN DIEGO CA 92121 CONTROL CONCEPTS & TECHNOLOGY CORP 7616 JOHNSTON STREET PO BOX 99 MAURICE LA 70555 CON-WAY FREIGHT PO BOX 5160 PORTLAND OR 97208-5160

CONYERS, DILL AND PEARMAN CLARENDON HOUSE 2 CHURCH STREET CORE LABORATORIES LP P.O. BOX 841787 DALLAS TX 75284-1787 Core Laboratories LP Jay A. Wald Pencor Division 6316 Windfern Rd. Houston TX 77040 9901 COVINGTON CROSS CORNERSTONE DRIVE SUITE 170 LAS VEGAS NV 89144 CPC PUMPS INTERNATIONAL DEPT 2093 PO BOX 122093 DALLAS TX 75312-2093 CPI OFFICE PRODUCTS P.O. BOX 292130 LEWISVILLE TX 75029-2130 C-PORT PO BOX 310 GALLIANO LA 70354 C-PORT/STONE LLC DEPT. 211 P.O. BOX 4869 HOUSTON TX 77210-4869 24 GREENWAY PLAZA SUITE CRAIG FONTENETTE STEPHENSON & MURRAY JOHN W STEPHENSON, JR 750 HOUSTON TX 77046

CRAIGHEAD CONSULTING, INC. CRAIGHEAD CONSULTING INC 28602 DOBBIN-HUFSMITH RD MAGNOLIA TX 77354 Cranesmart America Inc. #692, 3540 W. Sahara Avenue Las Vegas NV 89102 CRANESMART AMERICA INC. PO BOX 1540 ABITA SPRINGS LA 70420 Cranesmart America Inc. Ron Martens 4908 - 97 St.NW Edmonton AB T6E 5S1 Canada

CRANESMART SYSTEMS, INC. 4908-97 STREET EDMONTON AB T6E 5S1 CANADA CRANFORD EQUIPMENT COMPANY, INC. P. O. BOX 1006 KENNER LA 70063 CRAVATH, SWAINE & MOORE LLP 825 EIGHTH AVENUE NEW YORK NY 10019-7475 CREDIT SUISSE AG 1 FEDERAL STREET BOSTON MA 02110 CREDIT SUISSE LOAN FUNDING LLC 11 MADISON AVE NEW YORK NY 10010 CREDIT SUISSE LOAN FUNDING LLC ELEVEN MADISON AVENUE 9TH FLOOR NEW YORK NY 10011 CREDIT VALUE PARTNERS DISTRESSED DURATION MASTER FUND, LP

CREEL & ASSOCIATES, INC. 1400 BROADFIELD BOULEVARD SUITE 250 HOUSTON TX 77084 CRESCENT DIRECTIONAL DRILLING, LP 1300 N SAM HOUSTON PKWY E STE 210 HOUSTON TX 77032 Crevalle Management Services PO Box 2848 Angleton TX 77516 CREVALLE MANAGEMENT CREVALLE MANAGEMENT SERVICES LLC SERVICES PO BOX 2848 ANGLETON TX 77516 Crevalle Management Services, LLC PO Box 2848 Angleton TX 77516 CRIME PREVENTION SECURITY 4701 SOUTHWEST 34TH SYSTEMS STREET GAINESVILLE FL 32608 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 13 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 26 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country CRIME PREVENTION SECURITY SYSTEMS LLC PO BOX 23406 TAMPA FL 33623-2406 CROSS BORDER USA 65 BROADWAY SUITE 605 NEW YORK NY 10006 CROSS LOGISTICS, INC. ROBERT THOMPSON JR 1950 S VAN AVENUE # A HOUMA LA 70363-6777 CROSS OFFSHORE CORPORATION 1304 ENGINEERS ROAD BELLE CHASSE LA 70037 CRT SERIES A SEPARATE SERIES OF Q BLK CO INVESTMENT FUND II LP ATTN ROBERT S ELLSWORTH 601 UNION ST 56TH FL SEATTLE WA 98101 CRT SERIES, A SEPARATE SERIES OF Q-BLK INVESTMENT 601 UNION STREET, 56TH FUND II, LP FLOOR SEATTLE WA 98101 CSI TECHNOLOGIES LLC 2202 OIL CENTER COURT HOUSTON TX 77073 CT CORPORATION SYSTEM P.O. BOX 4349 CAROL STREAM IL 60197-4349 CUDD WELL CONTROL 16770 IMPERIAL VALLEY DR SUITE 100 HOUSTON TX 77060 CUDD PRESSURE CONTROL, CUDD WELL CONTROL INC. P. O. BOX 910283 DALLAS TX 75391 CUSIP PO BOX 19140A NEWARK NJ 07195-0140 CUSTOM AUTOMATED CONTROLS, INC. PO BOX 10610 NEW IBERIA LA 70562 CUTTING UNDERWATER CUTTING UNDERWATER TECHNOLOGIES USA TECHNOLOGIES 175 THOMPSON ROAD HOUMA LA 70363-7318 TAX ASSESSOR COLLECTOR CYPRESS FAIRBANKS ISD ANITA HENRY, RTA PO BOX 203908 HOUSTON TX 77216-3908 CYPRESS WELLHEAD CYPRESS WELLHEAD SERVICES, INC. SEERVICES, INC. P. O. BOX 793 CYPRESS TX 77410-0793 Cypress-Fairbanks ISD 10494 Jones Rd., Rm 106 Houston TX 77065 Cypress-Fairbanks ISD Cypress-Fairbanks ISD 10494 Jones Rd., Rm 106 Houston TX 77065 Linebarger Goggan Blair & Cypress-Fairbanks ISD John P. Dillman Sampson, LLP P.O. Box 3064 Houston TX 77253-3064 D W CARPENTER PO BOX 5705 KINGWOOD TX 77325 D.E. SHAW INVESTMENT MANAGEMENT, L.L.C. 120 W 45TH STREET NEW YORK NY 10036-4041 DAI ENGINEERING MANAGEMENT GROUP, INC. KENT KERNE 120 RUE BEAUREGARD # 205 LAFAYETTE LA 70508-3129 DAI ENGINERRING MANAGEMENT GROUP 120 RUE BEAUREGARD STE 205 LAFAYETTE LA 70508 10440 N CENTRAL DANA M DUTCHER EXPRESSWAY, STE 1475 DALLAS TX 75231-2221 DANIEL F GAYLE 14026 COURT OF REGENTS HOUSTON TX 77069 DANIEL W. JACKSON 2000 W SAM HOUSTON DATAVOX,INC. PARKWAY S 9TH FLOOR HOUSTON TX 77042 DAVID A PUTSKA 2504 BRENTWOOD HOUSTON TX 77019 DAVID J WEBER 37307 DIAMOND OAKS DR MAGNOLIA TX 77355 DAVID K KOSMITIS 3431 FIR FOREST DR SPRING TX 77388

DAVIS OFFSHORE LP 1330 POST OAK BLVD STE 600 HOUSTON TX 77056-3166 DAVIS W RATCLIFF 448 OCOEE CIRCLE OCOEE TN 37361 DAVIS-LYNCH, INC. P. O. BOX 262326 HOUSTON TX 77207-2326 DBS PROMOTIONS 24466 PIPESTEM DRIVE MAGNOLIA TX 77355 DCP MIDSTREAM, LP P. O. BOX 201207 HOUSTON TX 77216-1207

DEANNA RIEPE 122 EAST UNIVERSITY AVENUE WAXAHACHIE TX 75165 DEARBORN NATIONAL FORT DEARBORN LIFE INSURANCE CO. 36788 EAGLE WAY CHICAGO IL 60678-1367 DEBBIE R SAK 1401 CALUMET, UNIT 208 HOUSTON TX 77004 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 14 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 27 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country DEEP DOWN, INC. DEPT 933 PO BOX 4652 HOUSTON TX 77210-4652 Deep Sea Development Service, Inc. 15840 FM 529, Suite 308 Houston TX 77095 DEEP SOUTH CHEMICAL, INC. P.O. BOX 80657 LAFAYETTE LA 70598-0657 Deep South Chemicals, Inc. PO Box 80657 Lafayette LA 70598 DEEP TREND, INC. DEEP TREND INC. PO BOX 446 TULIA TX 79088

DEEP WATER SOLUTIONS, LLC DAVID R HALL JR 6460 GORDON LANE AUSTELL GA 30168-5412 DEEPSEA TECH 10811 TRAIN COURT HOUSTON TX 77041 DEEPWATER CORROSION SERVICES, INC. 10851 TRAIN COURT HOUSTON TX 77041 DEEPWATER SOLUTIONS LLC 12335 KINGSRIDGE STE 250 HOUSTON TX 77024 DEEPWELL RENTALS INC 106 OLIVER COURT HOUMA LA 70364 DEGOLYER AND MACNAUGHTON 5001 SPRING VALLEY ROAD SUITE 800 EAST DALLAS TX 75244 SECRETARY OF STATE OF DELAWARE DIV OF STATE CORP. PO BOX 5509 BINGHAMTON NY 13902-5509 DELAWARE SECRETARY OF 51-6000279 STATE OF STATE VENDOR DELAWARE DIV OF CORP. PO BOX 5509 BINGHAMTON NY 13902-5509 DELETED INTEREST OWNER DELIGANS VALVES, INC. 1013 EAST STREET HOUMA LA 70363 DELMAR SYSTEMS, INC. DEPT AT 952589 ATLANTA GA 31192-2589 DELOITTE & TOUCHE LLP P.O. BOX 7247-6446 PHILADELPHIA PA 19170-6466 DELTA MARINE TECHNOLOGIES, INC. SCOTT DINGMAN 550 CLUB DRIVE SUITE 345 MONTGOMERY TX 77316-3095 DELTA WAVE COMMUNICATIONS INC PO BOX 3593 MORGAN CITY LA 70381 DELTA WAVE DELTA WAVE COMMUNICATIONS, INC. COMMUNICATIONS INC PO BOX 3593 MORGAN CITY LA 70381 DEPARTMENT OF INTERIOR- DOI DEPARTMENT OF INTERIOR- BOX 5640 DENVER CO 80217-5640 DEPARTMENT OF INTERIOR- MINERALS MANAGEMENT SERVICE BOX 5640 DENVER CO 80217-5640 950 PENNSYLVANIA AVENUE, DEPARTMENT OF JUSTICE U.S. DEPARTMENT OF JUSTICE NW WASHINGTON DC 20530-0001 DESTIN PIPELINE COMPANY, L.L.C. P.O. BOX 7247-6900 PHILADELPHIA PA 19170-6900

DEUTSCH, KERRIGAN & STILES 755 MAGAZINE STREET NEW ORLEANS LA 70130 DEUTSCH, KERRIGAN & STILES,L.L.P. PO BOX 53078 LAFAYETTE LA 70505-3078 DEVIN INTERNATIONAL, INC. P.O. DRAWER 80859 LAFAYETTE LA 70598-0859 DEVON ENERGY PRODUCTION COMPANY, LP PO BOX 843559 DALLAS TX 75284-3559 DEVON LOUISIANA CORP PO BOX 849065 DALLAS TX 75284-9065 DIAMOND OFFSHORE COMPANY 15415 KATY FREEWAY HOUSTON TX 77094 DIAMOND OFFSHORE DRILLING, INC. 15415 KATY FREEWAY STE 100 HOUSTON TX 77094 DIAMOND OFFSHORE ATTEN TREASURY DRILLING, INC. DEPARTMENT 15415 KATY FREEWAY STE 100 HOUSTON TX 77094 DIAMOND SERVICES CORP. P O BOX 1286 MORGAN CITY LA 70381-1286 DIAMOND SERVICES CORPORATION DIAMOND SERVICES CORP. P O BOX 1286 MORGAN CITY LA 70381-1286 DIAMOND TANK RENTALS P. O. BOX 2706 MORGAN CITY LA 70381 DIGITAL PETRODATA PO BOX 150217 LAKEWOOD CO 80215 Dino & Marie Leventis 2070 Palmer Lane Green Oaks IL 60048 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 15 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 28 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country DISCOVERY GAS WRC3-6 ONE WILLIAMS TRANSMISSION ATTN BILL REILLY CENTER TULSA OK 74172 DISCOVERY GAS TRANSMISSION ONE WILLIAMS CENTER TULSA OK 74172 DISCOVERY PRODUCER SERVICES, LLC ATTN CRYSTAL DUKE ONE WILLIAMS CENTER, WRC3 TULSA OK 74172 DISHMAN & BENNETT SPECIALTY CO. 1878 GRAND CAILLOU ROAD HOUMA LA 70363 DISHMAN & BENNETT SPECIALTY CO., INC. P. O. BOX 287 HOUMA LA 70361 PAUL J DOBROWSKI & DOBROWSKI LLP DANIELLE ANDRASEK 460 WASHINGTON AVE STE 300 HOUSTON TX 77007 DOLPHIN ENERGY EQUIPMENT, INC. P. O. BOX 62600 DEPARTMENT 1327 NEW ORLEANS LA 70162-2600 DOLPHIN SCAFFOLDING SERVICES, LLC DOLPHIN SCAFFOLDING DOLPHIN ENERGY EQUIPMENT, SERVICES, LLC INC. P. O. BOX 62600 DEPARTMENT 1327 NEW ORLEANS LA 70162-2600 DOMINIC WHITE C/O DANIEL W JACKSON 3900 ESSEX LANE SUITE 1116 HOUSTON TX 77027 DON SUMNERS TAX ASSESSOR COLLECTOR PO BOX 4622 HOUSTON TX 77210-4622 DONOVAN CONTROLS LLC P. O. BOX 2582 MANDEVILLE LA 70470 DOUBLE MAKO INVESTMENTS LLC 1209 N. ORANGE ST. WILMINGTON DE 19801 DOUBLE MAKO INVESTMENTS LLC C/O MSD CAPITAL LP 645 FIFTH AVE-21ST FL NEW YORK NY 10022 DOUG GRANGER 945 OBERLIN RD MAMOU LA 70554 DOW JONES & CO. WALL STREET JOURNAL PO BOX 4137 NEW YORK NY 10261-4137 Dr. David J. Liptak 321 Kenwood Ave. Hamden CT 06518 DRAKE DIRECTIONAL DRILLING LLC 10622 CLAY ROAD HOUSTON TX 77041-8754 DRIEHAUS CAPITAL 25 E ERIE ST CHICAGO IL 60611 DRILL-QUIP, INC. 6401 NORTH ELDRIDGE PKWY HOUSTON TX 77041 DRIL-QUIP, INC PO BOX 973669 DALLAS TX 75397-3669 DTC INTERNATIONAL, INC. DEPT. F54 PO BOX 4652 HOUSTON TX 77210-4652 DTS P. O. BOX 3742 LAFEYETTE LA 70502 DUCTZ OF SOUTH LOUISIANA 121 LUKE STREET LAFAYETTE LA 70506 DXP ENTERPRISES INC. PO BOX 201791 DALLAS TX 75320-1791 DYNAMIC INDUSTRIES, INC. PO BOX 9406 NEW IBERIA LA 70562-9406 DYNAMIC OFFSHORE RESOURCES, LLC 1301 MCKINNEY STE 900 HOUSTON TX 77010 DYNASTY TRANSPORTATION, INC. PO BOX 975356 DALLAS TX 75397-5356

E&P WIRELINE SERVICES, LLC PO BOX 201335 DALLAS TX 75320-1335 EATON OIL TOOLS P.O. BOX 1050 BROUSSARD LA 70518-1050 EDG INCORPORATED CONSULTING ENGINEERS P. O. BOX 54464 NEW ORLEANS LA 70154-4464 EDWARD C STENGEL 12808 KINGSBRIDGE LANE HOUSTON TX 77077 EDWARD GARY ROTH 19 LYRIC ARBOR CIRCLE HOUSTON TX 77381 2500 CITYWEST BLVD, STE EEX CORPORATION 1400 HOUSTON TX 77042 EFS R LLC 800 LONG RIDGE RD STAMFORD CT 06902 EFS-R LLC 800 LONG RIDGE RD STAMFORD CT 06927 EL PASO E&P COMPANY LP PO BOX 201566 HOUSTON TX 77216 EL PASO E&P COMPANY, LP LOCK BOX 200682 HOUSTON TX 77216-0682

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 16 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 29 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country EL PASO PRODUCTION 9 GREENWAY PLAZA SUITE COMPANY 2966A HOUSTON TX 77046 EL PASO PRODUCTION GOM INC 1001 LOUISIANA, 22ND FLOOR HOUSTON TX 77002 EL PASO PRODUCTION GOM INC PO BOX 200861 HOUSTON TX 77216-0682 ELITE AUDITING CONSULTANTS LLC P.O. BOX 508 ABBEVILLE LA 70511 ELIZABETH B PATTERSON 311 W 33RD ST HOUSTON TX 77018 ELIZABETH PATTERSON EMILY M. PATTERSON 1127 GLOURIE DRIVE HOUSTON TX 77055

EMMET, MARVIN & MARTIN, LLP 120 BROADWAY NEW YORK NY 10271

ENDEAVOR EXPLORATION, LLC 10811 S WESTVIEW CIR 10 HOUSTON TX 77043 ENERCOM, INC. 1660 LINCOLN STREET SUITE 2045 DENVER CO 80264 ENERFLEX ENERGY SYSTEMS INC. 10815 TELGE ROAD HOUSTON TX 77095 ENERGY CRANES LLC 119 IDA ROAD BROUSSARD LA 70518-3423 ENERGY DATA SOLUTIONS, LLC 101 DEALERS AVE. SUITE 200 NEW ORLEANS LA 70123 ENERGY DATA SOLUTIONS, 1101 DEALERS AVENUE SUITE LLC. 200 NEW ORLEANS LA 70123-2203 ENERGY DEVELOPMENT CORPORATION PO BOX 910056 DALLAS TX 75391-0056 ENERGY FISHING & RENTAL SERVICES INC. PO BOX 116587 ATLANTA GA 30368 ENERGY FISHING & RENTAL ENERGY FISHING & RENTAL SERVICES, INC. SERVICES INC. PO BOX 116587 ATLANTA GA 30368 ENERGY RESOURCE TECHNOLOGY, INC PO BOX 4346 DEPT. 354 HOUSTON TX 77210-4346

ENERGY XXI GULF COAST, INC 1021 MAIN ST STE 2626 HOUSTON TX 77002 Energy XXI Gulf Coast, Inc. Bo Boyd 1021 Main Street Suite 2626 Houston TX 77002 ATTN MR THOMAS A 400 NORTH SAM HOUSTON ENGLEHART ENERGY, INC ENGLEHART PARKWAY EAST STE 301 HOUSTON TX 77060 ENI PETROLEUM EXPLORATION US LLC 1201 LOUISIANA ST STE 3300 HOUSTON TX 77002 ENRON NORTH AMERICA ATTN WILLIE STUART PO BOX 1188 HOUSTON TX 77251-1188

ENTERPRISE CRUDE PIPELINE 1100 LOUISIANA STREET HOUSTON TX 77210-4324 ENTERPRISE CRUDE PIPELINE, LLC PO BOX 201405 DALLAS TX 75320-1405 ENTERPRISE FIELD SERVICES, LLC. P.O. BOX 974364 DALLAS TX 75397-4364 ENTERPRISE GAS PROCESSING LLC PO BOX 972867 DALLAS TX 75397-2867 ENTERPRISE GAS ENTERPRISE GAS PROCESSING, LLC PROCESSING LLC PO BOX 972867 DALLAS TX 75397-2867 ENVENTURE GLOBAL TECH, LLC DEPT. 630 PO BOX 4652 HOUSTON TX 77210-4652 ENVENTURE GLOBAL ENVENTURE GLOBAL TECH, TECHNOLOGY LLC DEPT. 630 PO BOX 4652 HOUSTON TX 77210-4652 ENVIROCHEM, LLC PO BOX 891 BREAUX BRIDGE LA 70517 ENVIRONMENTAL 58485 PEARL ACRES RD SUITE ENTERPRISES USA INC D SLIDELL LA 70461 ENVIRONMENTAL PROTECTION 1445 ROSS AVENUE, SUITE AGENCY (EPA) REGION 6 MAIN OFFICE 1200 DALLAS TX 75202 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 17 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 30 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country EOG RESOURCES PO BOX 840321 DALLAS TX 75284-0321 ATTN WILLIE JENKINS 3AC RM EOG RESOURCES, INC 2062 PO BOX 4362 HOUSTON TX 77210-4362 EPRODUCTION SOLUTIONS, INC PO BOX 201458 HOUSTON TX 77216-1458 EPRODUCTION SOLUTIONS, EPRODUCTION SOLUTIONS, INC. INC PO BOX 201458 HOUSTON TX 77216-1458 EPS CARGO HANDLERS CO. INC. PO BOX 80644 LAFAYETTE LA 70598 EPS LOGISTICS COMPANY PO BOX 80644 LAFAYETTE LA 70598 EQECAT, INC. PO BOX 915098 DALLAS TX 75391-5098 ERA HELICOPTERS LLC LOCK BOX #3156 P.O. BOX 8500-3156 PHILADELPHIA PA 19178-3156 ERA HELICOPTERS LLC LOCK BOX NO 3156 PO BOX 8500-3156 PHILADELPHIA PA 19178-3156 ERIN RACHAL PITTSBG NTNL BNK- PITT ERNST & YOUNG, L. L. P. 640382 PO BOX 640382 PITTSBURGH PA 15264-0382 ESTATE OF BERNARD J ROY L FULLER, INDEPENDENT 1300 ROLLINGBROOK ST, STE PACKARD, SR EXECUTOR 608 BAYTOWN TX 77521 EVANS RENTALS, INC. P. O. BOX 80397 LAFAYETTE LA 70598 EVERMORE THAKUR VILLAGE KANDIVALI EVERMORE D-104 KRISHNA VASANT SAGAR EAST MUMBAI MH EVERGREEN HELICOPTERS EVERMORE INTERNATIONAL, IN 2001 TERMINAL DRIVE GALVESTON TX 77554 EVO INCORPORATED 15720 PARK ROW STE 500 HOUSTON TX 77084 EXCALIBUR EXHIBITS 7120 BRITTMOORE STE 430 HOUSTON TX 77041 2424 EAST TC JESTER BLVD NO EXCEL RESOURCES, INC 1305 HOUSTON TX 77008

EXMAR OFFSHORE COMPANY 11511 KATY FREEWAY SUITE 200 HOUSTON TX 77079 EXPEDITORS & PRODUCTION SERVICES COMPANY P.O. BOX 80644 LAFAYETTE LA 70598 EXPEDITORS & PRODUCTION 11511 KATY FREEWAY, SUITE SERVICES COMPANY EXMAR OFFSHORE COMPANY 200 HOUSTON TX 77079 EXPEDITORS & PRODUCTION SERVICES, INC. P. O. BOX 80644 LAFAYETTE LA 70598 EXPRESS SUPPLY & STEEL, LLC PO BOX 679 LOCKPORT LA 70374 EXPRO AMERICAS OFFSHORE RECEIPTS DEPT 0411 PO BOX 120411 DALLAS TX 75312-0411 EXPRO AMERICAS OFFSHORE EXPRO AMERICAS, L.P. RECEIPTS DEPT 0411 PO BOX 120411 DALLAS TX 75312-0411 EXPRO AMERICAS OFFSHORE EXPRO AMERICAS, LLC RECEIPTS DEPT 0411 PO BOX 120411 DALLAS TX 75312-0411 EXPRO PRODUCTION EXPRO AMERICAS OFFSHORE WIRELINE RECEIPTS DEPT 0411 PO BOX 120411 DALLAS TX 75312-0411 EXPRO PRODUCTION WIRELINE INC. PO BOX 85 JENNINGS LA 70546 EXTERRAN (UK) LIMITED 16666 N CHASE DR HOUSTON TX 77060-6014 EXTERRAN ENERGY SOLUTIONS LP 16666 N CHASE DR HOUSTON TX 77060-6014 EXTERRAN ENERGY SOLUTIONS, L.P. P. O. BOX 201160 DALLAS TX 75320-1160 EXTREME ENERGY SERVICES LLC PO BOX 1468 BROUSSARD LA 70518 EXXON MOBIL EXPLORATION COMPANY ATTN DAVID TALKINGTON 800 BELL RM 1458-B HOUSTON TX 77002

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 18 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 31 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country EZ CUSTOM SOFTWARE 438 RICHMOND STREET W SOLUTIONS SUITE 312 TORONTO ON M5V 3S6 CANADA EZ CUSTOM SOFTWARE EZ CUSTOM SOFTWARE 438 RICHMOND STREET W SOLUTIONS, INC. SOLUTIONS SUITE 312 TORONTO ON M5V 3S6 CANADA F & A ENTERPRISES, LLC 19906 MORLEY POINTE CT. KATY TX 77450

F F FOSTER & ASSOCIATES INC 675 BERING DR , STE 800 HOUSTON TX 77057 FAIR ENGINEERING SALES, INC. 13405 SEYMOUR MEYERS BLVD SUITE 9 COVINGTON LA 70433 FAIRWAYS OFFSHORE 13430 NORTHWEST FREEWAY, EXPLORATION, INC STE 800 HOUSTON TX 77040 FALCK ALFORD 209 CLENDENNING ROAD HOUMA LA 70363 109 NORTH POST OAK LANE, FALCON SOUTH POWER INC STE 540 HOUSTON TX 77024 FALCON SOUTH POWER INC HARRIS 109 NORTH POST OAK LN STE 540 HOUSTON TX 77024 FARRAR DAVIS 12407 HONEYWOOD TRAIL HOUSTON TX 77077 FASB PO BOX 418272 BOSTON MA 02241-8272 FASTORQ LLC 1215 PETERS ROAD HARVEY LA 70058 FASTORQ LLC OR SUPERIOR PLANT SERVICES DEPT 2206 P. O. BOX 122206 DALLAS TX 75312-2206 FASTRACK SERVICES, INC. 1940 FOUNTAIN VIEW BOX 504 HOUSTON TX 77057 519 AVENUE FAYARD AND HONEYCUTT SOUTHWEST DENHAM SPRINGS LA 70726 FAYARD AND HONEYCUTT RE BP APC 519 FLORIDA AVE SW DENHAM SPRINGS LA 70727 FAYARD AND HONEYCUTT, APC, 519 FLORIDA AVE. SW DENHAM SPRINGS DENHAM SPRINGS LA 70727 FC BUSINESS INTELLIGENCE 7-9 FASHION STREET LONDON E1 6PX UNITED KINGDOM FC BUSINESS INTELLIGENCE LTD 7/9 FASHION ST. LONDON E1 6PX UNITED KINGDOM FEDERAL ENERGY REGULATORY COMMISSION (FERC) 888 FIRST STREET, NE WASHINGTON DC 20426 FEDERAL EXPRESS P. O. BOX 660481 DALLAS TX 75266-0481 FEDERAL INSURANCE COMPANY (CHUBB) 1100 WALNUT STREET #1800 KANSAS CITY MO 64106-2212 FEDERAL INSURANCE CHUBB GROUP OF INSURANCE COMPANY (CHUBB) COMPANIES 15 MOUNTAIN VIEW ROAD WARREN NJ 07059 FEDERAL INSURANCE FEDERAL INSURANCE COMPANY (CHUBB) COMPANY 82 HOPMEADOW STREET P.O. BOX 2002 SIMSBURY CT 06070-7683 FEDERATED INVESTORS FEDERATED INVESTORS TOWER 1001 LIBERTY AVE PITTSBURGH PA 15222 FEDERATED INVESTORS FBD P.O. BOX 8600 BOSTON MA 02266-8600 FEDEX FREIGHT DEPT CH PO BOX 10306 PALATINE IL 60055-0306 FELDOR H HOLLENSHEAD 16614 COUGAR FALLS COURT SPRING TX 77379

FERRO MANAGEMENT, INC. 230 W. WILKERSON FERRY RD. DUNS - 012217415 LUCEDALE MS 39452 FIDELITY 82 DEVONSHIRE ST BOSTON MA 02109 FIDELITY CENTRAL INVESTMENT PORTFOLIOS LLC FIDELITY FLOATING RATE CENTRAL FUND 82 DEVONSHIRE STREET E31C BOSTON MA 02109 FIDELITY CENTRAL INVESTMENT PORTFOLIOS LLC FIDELITY FLOATING RATE CENTRAL FUND P.O. BOX 770001 CINCINNATI OH 45277--003 FIDELITY EXPLORATION & PRODUCTION COMPANY 1700 LINCOLN STREET SUITE 2800 DENVER CO 80203

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 19 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 32 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country FIDELITY EXPLORATION & PRODUCTION COMPANY ATTN MICHAEL CASKEY PO BOX 5602 BISMARCK ND 58506-5602

FIDELITY FLOATING RATE HIGH INCOME INVESTMENT TRUST 483 BAY STREET SUITE 300 TORONTO ON M5G 2N7 CANADA

FIDELITY FLOATING RATE HIGH INCOME INVESTMENT TRUST P.O. BOX 770001 CINCINNATI OH 45277--003 FIDELITY OIL HOLDING, INC ATTN FRED D WOSICK 918 EAST DIVIDE, STE 200 BISMARCK ND 58501 FIDELITY SECURITY LIFE INS. OPTICARE VISION PO BOX 63322 CHARLOTTE NC 28263-3322 FIDELITY SUMMER STREET TRUST - FIDELITY SERIES FLOATING RATE HIGH INCOME FUND 82 DEVONSHIRE STREET BOSTON MA 02109 FIDELITY SUMMER STREET TRUST - FIDELITY SERIES FLOATING RATE HIGH INCOME FUND P.O. BOX 770001 CINCINNATI OH 45277--003 1177 AVENUE OF THE FIELDSTONE SERVICES AMERICAS FLOOR 32 NEW YORK NY 10036 FIRST INSURANCE AGENCY, INC. 909 POYDRAS ST. STE. 1750 NEW ORLEANS LA 70112 FIRST INSURANCE AGENCY, INC. STE. 1750 NEW ORLEANS LA 70112 11400 W OLYMPIC BLVD STE FIRST PACIFIC ADVISOR 1200 LOS ANGELES CA 90064 FIVE STATES 2000-A, LTD 1220 ONE ENERGY SQUARE 4925 GREENVILLE AVENUE DALLAS TX 75206-4020 FIVE STATES TRADING, LLC 1220 ONE ENERGY SQUARE 4925 GREENVILLE AVENUE DALLAS TX 75206-4020 FLAGSTONE SYNDICATE MANAGEMENT LIMITED 1 MINSTER COURT, 4TH FLOOR MINCING LANE LONDON EC3V 9DU UNITED KINGDOM FLEMMING ZULACK WILLIAMSON ZAUDERER LLP 1 LIBERTY PLAZA NEW YORK NY 10006 FLOW CONTROL CAMERON INC. PO BOX 731148 DALLAS TX 75373-1148

FLUID TECHNOLOGY SERVICE 2751 WEST WILLOW STREET P.O. BOX 1702 SCOTT LA 70583

FLUID TECHNOLOGY SERVICE INTERNATIONAL, L.L.C. 2751 WEST WILLOW STREET P.O. BOX 1702 SCOTT LA 70583 FLUID TECHNOLOGY SERVICE INTL, LLC FLUID TECHNOLOGY SERVICE 2751 WEST WILLOW STREET P.O. BOX 1702 SCOTT LA 70583 FMC CORPORATION 1735 MARKET STREET PHILADELPHIA PA 19103 WELLHEAD EQUIPMENT FMC TECHNOLOGIES, INC. DIVISION P. O. BOX 843402 DALLAS TX 75284-3402 C/O FOLIO PROXY SERVICES FOLIO FNINVESTMENTS, INC DEPARTMENT PO BOX 10544 MCLEAN VA 22102-8544 FOLIO FNINVESTMENTS, INC PO BOX 10544 MCLEAN VA 22102-8544 3838 NORTH CAUSEWAY BLVD, FORCENERGY, INC ATTN SUSAN COOK THREE LAKEWAY CENTER STE 2300 METAIRIE LA 70002 FOREST OIL CORPORATION P O BOX 845795 DALLAS TX 75284-5795 FORRISTALL OCEAN ENGINEERING, INC. 101 CHESTNUT ST. CAMDEN ME 04843-0000 FORTRESS CREDIT UGLAND HOUSE, SOUTH INVESTMENTS I LTD CHURCH ST PO BOX 309GT GEORGETOWN KY FORTRESS CREDIT 1345 AVENUE OF THE INVESTMENTS II LTD FLOOR NO 46 AMERICAS NEW YORK NY 10105 FORTRESS CREDIT 1345 AVENUE OF THE OPPORTUNITIES I LP AMERICAS NEW YORK NY 10105 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 20 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 33 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country FORTRESS CREDIT OPPORTUNITIES I LP 181 WEST MADISON STREET SUITE 3200 32ND FLOOR CHICAGO IL 10105 FORTUNE NATURAL RESOURCES CORPORATION TWO GALLERIA TOWER 13455 NOEL RD, STE 2000 DALLAS TX 75240

FOUR STAR OIL & GAS CO INC PO BOX 731084 DALLAS TX 75373-1084 FOWLER RODRIGUEZ VALDES- 400 POYDRAS STREET 30TH FAULI FLOOR NEW ORLEANS LA 70130 FOWLER RODRIGUEZ VALDES- 400 POYDRAS STREET, 30TH FAULI GEORGE FOWLER FLOOR NEW ORLEANS NEW ORLEANS LA 70130 FOWLER, RODRIGUEZ, VALDES- FOWLER RODRIGUEZ VALDES- FAUL FAULI 400 POYDRAS STREET 30TH FLOOR NEW ORLEANS LA 70130 RE ENSCO ANDSALAZAR AND FOWLER, RODRIGUEZ, VALDES- DEPARTMENT OF THE 400 POYDRAS STREET, 30TH FAULI INTERIOR GEORGE J FOWLER, III FLOOR NEW ORLEANS LA 70130 FPS - NEW ORLEANS P. O. BOX 5218 HOUSTON TX 77262 FRANCIS DRILLING FLUIDS, LTD. PO BOX 677438 DALLAS TX 75267-7438 FRANK MILETELLO JR. 548 ENON SARTINVILLE RD JAYESS MS 39641 FRANKLIN RESOURCES 1 FRANKLIN PKWY BLDG 970, 1ST FL SAN MATEO CA 94403 FRANKLIN RESOURCES P.O. BOX 997152 SACRAMENTO CA 95899-7152 FRANKS CASING CREW P. O. BOX 51729 LAFAYETTE LA 70505-1729 FRANKS CASING CREW AND RENTAL TOOLS FRANKS CASING CREW P. O. BOX 51729 LAFAYETTE LA 70505-1729 FRED LITCHLITER 6 OAK TREE DR SLIDELL LA 70458 FREDERIC LITCHLITER 1031 RUE LIMOGES SLIDELL LA 70458 FUGRO CHANCE INC PO BOX 200724 HOUSTON TX 77216-0724 FUGRO GEOS, INC. P. O. BOX 740010 HOUSTON TX 77274 FULBRIGHT & JAWORSKI LLP FULBRIGHT TOWER 1301 MCKINNEY STE 5100 HOUSTON TX 77010-3095 G.B. CONSULTANTS INTL. G.B. CONSULTANTS (GULF COAST) LP INTERNATIONAL INC PO BOX 670 DEER PARK TX 77536-0670 GAI-TRONICS INC. 25413 NETWORK PLACE CHICAGO IL 60673-1254 GALLIANO WASTE DISPOSAL PO BOX 225 GALLIANO LA 70354 GARDEN BANKS GAS PIPELINE LLC 1100 LOUISIANA STE 3300 HOUSTON TX 77002 GARDEN BANKS NGL BANK PO BOX 20020 HOUSTON TX 77225-0020 GARNER ENVIRONMENTAL SERVICES 1717 W. 13TH STREET DEER PARK TX 77536 GARY D CLACK 8811 HYDETHORPE HOUSTON TX 77083

GAS STRATEGIES GROUP LTD 10 ST BRIDE STREET LONDON EC4A 4AD UNITED KINGDOM GATOR HAWK PO BOX 2129 HOUSTON TX 77252 GATOR TANK RENTALS, INC. PO BOX 2898 MORGAN CITY LA 70381 GAUS ANODES INTERNATIONAL 6425 CUNNINGHAM RD. HOUSTON TX 77041-4713 GAUS ANODES INTERNATIONAL LLC 6425 CUNNINGHAM RD. HOUSTON TX 77041 GBA - CORONA, INC. 10333 HARWIN STE 110 HOUSTON TX 77036 GE OIL & GAS, INC. P. O. BOX 848542 DALLAS TX 75284-8542 GEMINI SOLUTIONS INC. 702 MORTON STREET RICHMOND TX 77469

GENERAL FABRICATORS, INC. GENERAL FABRICATORS P.O. BOX 11635 NEW IBERIA LA 70562-1635 GENERAL MARINE LEASING PO BOX 54853 NEW ORLEANS LA 70154 GENERAL MONITORS PO BOX 514019 LOS ANGELES CA 90051-4019 GEOGENY PTY LTD PO BOX 52 MERMAID BEACH QLD 04218 AUSTRALIA GEORGE CANJAR 5535 MEMORIAL DR STE F-158 HOUSTON TX 77007 GEORGE E NEMETZ 4019 DUMBARTON HOUSTON TX 77025-1210 GEORGE R. EDWARDS 13318 INDIAN CREEK ROAD HOUSTON TX 77079 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 21 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 34 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country GERALD W SCHLIEF 5773 WOODWAY DR , NO 800 HOUSTON TX 77057 GERALD W SCHLIEF AND 2006 CHARITABLE REMAINDER CANDACE R SCHLIEF TRUST 5773 WOODWAY DR , NO 800 HOUSTON TX 77057 GERALD W SCHLIEF AND CANDACE R SCHLIEF 2006 CHARITABLE REMAINDER TRUST 5773 WOODWAY DR 800 HOUSTON TX 77057 GERALD W. SCHLIEF 5773 WOODWAY DRIVE #800 HOUSTON TX 77057 GERARD J. SWONKE MCCONN 4544 POST OAK PLACE, SUITE & WILLIAMS 350 HOUSTON TX 77057

GERHART E HUNTER TRUSTEE HUNTER REVOCABLE TRUST 8702 HOLLY HILLS LANE TOMBALL TX 77375 GHX INDUSTRIAL, LLC DEPT 207 PO BOX 4346 HOUSTON TX 77210-4346 GL INDUSTRIAL SERVICES USA, INC. PO BOX 1759 DEPT 10 HOUSTON TX 77251-1759

GL NOBLE DENTON, INC. 1155 DAIRY ASHFORD STE 315 HOUSTON TX 77079 GLEN PATRICK BURKE 520 POST OAK BLVD STE 475 HOUSTON TX 77027 GLENNON M DILLON 18 LUSH MEADOW PLACE THE WOODLANDS TX 77381 GLOBAL INDUSTRIES OFFSHORE LLC DEPT 0275 PO BOX 120275 DALLAS TX 75312-0275 GLOBAL INDUSTRIES GLOBAL INDUSTRIES OFFSHORE, L.L.C. OFFSHORE, INC. P.O. BOX 247 HOUSTON TX 77001-0247 GLOBAL LOGISTICS L.L.C. 203 SPECIALTY LANE SCOTT LA 70583

GLOBAL MARITIME 11767 KATY FREEWAY STE 660 HOUSTON TX 77079 GLOBAL X-RAY P.O. BOX 1536 MORGAN CITY LA 70381 GLOBAL X-RAY & TESTING CORP 2831 MOMENTUM PLACE CHICAGO IL 60689-5328 GLY-TECH SERVICES, INC. PO BOX 1265 HARVEY LA 70059 GOLAS COMPANIES, INC 1914 WEST GRAY NO 102 HOUSTON TX 77019

GOLDEN HAWK, INC. DBA DSS PO BOX 659 KATY TX 77492 GOLDER ASSOCIATES, 3730 CHAMBLEE TUCKER ATLANTA GA 31193 ROAD ATLANTA GA 30341 GOM SHELF LLC PO BOX 730439 DALLAS TX 75373-0439 GOMEZ HUB PIPELINE PARTNERS LP 200 CLARENDON ST 55TH FL BOSTON MA 02117 GOMEZ HUB PIPELINE PARTNERS, LP 200 CLARENDON ST, 55TH FLR BOSTON MA 02117 GORDON R WAINSCOTT 6607 SUMMER ISLE CT SPRING TX 77379

GORDON REED & ASSOCIATES MUD CONSULTANT S P. O. BOX 52132 LAFAYETTE LA 70505

GORDON REED & ASSOCIATES GORDON REED & ASSOCIATES MUD CONSULTANTS MUD CONSULTANT P. O. BOX 52132 LAFAYETTE LA 70505 GORDON REED & ASSOCIATES, INC. 201 RUE IBERVILLE # 710 LAFAYETTE LA 70508-3281 GOVERNOR CONTROL SYSTEMS INC. 3101 SW 3RD AVE. FORT LAUDERDALE FL 33315 GRAHAM GULF INC. 6590 HALF MILE RD IRVINGTON AL 36544 GRAINGER DEPT. 852137892 PALATINE IL 60038-0001 GREAT LAKES REINSURANCE 1 MINSTER COURT, UPPER (UK) PLC GROUND FLOOR MINCING LANE LONDON EC3R 7YH UNITED KINGDOM GREAT WHITE PRESSURE CONTROL LLC PO BOX 15098 OKLAHOMA CITY OK 73155

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 22 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 35 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country GREAT WHITE PRESSURE C O DORE MAHONEY LAW CONTROL LLC DIVISION OF A GROUP PC 17171 PARK ROW STE 160 HOUSTON TX 77084-4927 GREEN BANK 4000 GREENBRIAR DRIVE HOUSTON TX 77098 GREEN BANK 4000 GREENBRIAR HOUSTON TX 77098 GREENBERG TRAURIG, LLP 1000 LOUSIANA STE 1700 HOUSTON TX 77002 GREENES ENERGY GROUP P.O. BOX 676263 DALLAS TX 75267-6263 GREENES ENERGY GROUP, GREENES ENERGY GROUP 11757 KATY FREEWAY, SUITE LLC USE# 2967 300 HOUSTON TX 77079 GREGG J DAVIS 1200 POST OAK BLVD NO 105 HOUSTON TX 77056 GREYSTAR CORPORATION DEPT. 132 PO BOX 4346 HOUSTON TX 77210-4346 GRG ROCK, LLC PO BOX 16067 GOLDEN CO 80402-6001 GROUPAMA INSURANCE 17 CROSSWALL, ONE AMERICA COMPANY SQUARE 6TH FLOOR LONDON EC3N 2LB UNITED KINGDOM GUGGENHEIM ENERGY OPPORTUNITIES FUND LP ATTN TIMOTHY MURRY 1301 MCKINNEY, STE 3105 HOUSTON TX 77010 GUGGENHEIM ENERGY OPPORTUNITIES FUND LP ATTN TODD L BOEHLY 1301 MCKINNEY STE 3105 HOUSTON TX 77010 GUGGENHEIM ENERGY OPPORTUNITIES FUND, LP 1301 MCKINNEY, SUITE 3105 HOUSTON TX 77010 GULF COAST AVIATION INC. 7930 AIRPORT BLVD HOUSTON TX 77061 GULF COAST CHEMICAL, LLC 220 JACQULYN STREET ABBEVILLE LA 70510 C/O SCHERIE DOUGLAS BP GULF COAST ENVIRONMENTAL EXPLORATION & PRODUCTION AFFAIRS GROUP IN HOUSTON TX 77079

GULF COAST EXTERMINATORS 6102 BRITTMOOR RD. STE P HOUSTON TX 77041

GULF COAST INSPECTION, INC. PO BOX 967 SATSUMA AL 36571-9618 GULF COAST MEASUREMENT P. O. BOX 854 CYPRESS TX 77410-0854 GULF COAST MEASUREMENT INC. GULF COAST MEASUREMENT P. O. BOX 854 CYPRESS TX 77410-0854 GULF COAST MONITORING & ELECTRIC INC 617 HECTOR CONNOLY RD CARENCRO LA 70520 GULF ECONOMIC SURVIVAL TEAM ATTN LORI LEBLANC PO BOX 2048 THIBODAUX LA 70310 GULF ISLAND, LLC PO BOX 62600 DEPT 1151 NEW ORLEANS LA 70162-2600 GULF OF MEXICO OIL & GAS PROPERTIES, LLC PO BOX 4346 DEPT 611 HOUSTON TX 77210-4346 GULF OFFSHORE LOGISTICS, LLC P.O. BOX 433 MATTHEWS LA 70375

GULF ROYALTY INTERESTS,INC ATTN MR GARY HALL PO BOX 56029 HOUSTON TX 77256-6029 GULF SOUTH SCAFFOLDING INC. PO BOX 1229 AMELIA LA 70340 GULF STREAM LEGAL GROUP PO BOX 4346 DEPT 413 HOUSTON TX 77210-4346

GULF STREAM SERVICES, INC. 103 DICKSON ROAD HOUMA LA 70363 GULF WELLS, INC. P.O. BOX 549 BELLE CHASSE LA 70037

GULFMARK AMERICAS, INC. 10111 RICHMOND AVE. STE 340 HOUSTON TX 77042

GULFSTREAM SERVICES, INC. P. O. BOX 5041 HOUMA LA 70361 H & S OILFIELD SERVICES A TRANSPORT SERVICE 227 FERNWOOD DRIVE HOUMA LA 70364-1015 16010 BARKERS POINT LANE # H OFFSHORE, INC. 120 HOUSTON TX 77079-4060 H2O Inc. 841 Vincent Road Lafayette LA 70508 H2O INC. 841 VINCENT ROAD LAFAYETTE LA 70508-7600 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 23 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 36 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country FIVE POST OAK PARK, STE HAL G KUNTZ 2330 4400 POST OAK PARKWAY HOUSTON TX 77027 HALLIBURTON ENERGY SERVICES P. O. BOX 203143 HOUSTON TX 77126-3143 HALLIBURTON ENERGY SERVICES, INC. P.O. BOX 201366 HOUSTON TX 77216-1366

HAMILTON ENGINEERING, INC. PO BOX 3856 HOUSTON TX 77253-3856 Hana Svejdova 201 Dolphin Pl Corpus Christi TX 78411 C O PA RESOURCES CONGO NO 108 AVENUE CHARLES DE HANS RYCKBORST SA IMMEUBLE SIMO EX AIR GABON GAU LLE POINTR NOIRE BP 5781 REPUBLIC THE CONGO HARDY (UNDERWRITING AGENCIES) LIMITED 1ST FLOOR 10 ST MARY AXE LONDON EC3A 8NA UNITED KINGDOM HARRIS CAPROCK COMMUNICATIONS PO BOX 7247 PHILADELPHIA PA 17170-7607 HARRIS CAPROCK COMMUNICATIONS, INC. PO BOX 7247 PHILADELPHIA PA 19170-7607 HARRIS COUNTY MUD #366 ESTHER BUENTELLO FLORES, RTA 873 DULLES AVE STE A STAFFORD TX 77477-5753 ESTHER BUENTELLO FLORES, HARRIS COUNTY MUD NO 366 RTA 873 DULLES AVE STE A STAFFORD TX 77477-5753 Harris County, et al PO Box 4924 Houston TX 77210-4924 Harris County, et al Harris County, et al PO Box 4924 Houston TX 77210-4924 Linebarger Goggan Blair & Harris County, et al John P. Dillman Sampson, LLP P.O. Box 3064 Houston TX 77253-3064 HARTFORD LLOYDS INSURANCE COMPANY 785 GREENS PARKWAY SUITE 200 HOUSTON TX 77067 HARVEY GULF INTERNATIONAL MARINE, INC 701 POYDRAS ST STE 3700 NEW ORLEANS LA 70139 2101 CEDAR SPRINGS RD STE HAYMAN ATP PARTNERS LP 1400 DALLAS TX 75201 HB RENTALS, INC. DEPT. 2131 P. O. BOX 122131 DALLAS TX 75312-2131 HBK MAIN STREET 2101 CEDAR SPRINGS RD STE INVESTMENTS LP 700 DALLAS TX 75201 Heath J. Ritenour SEP Heath Ritenour 2141 Alaqua Drive Longwood FL 32779 HELIS OIL & GAS COMPANY, LLC 228 ST CHARLES, STE 912 NEW ORLEANS LA 70130 HELIX ENERGY SOLUTIONS PO BOX 4346 DEPT 11 HOUSTON TX 77210-4346 HELIX WELL CONTAINMENT GROUP 5555 SAN FELIPE STE 1625 HOUSTON TX 77056 HELIX WELL CONTAINMENT GROUP ROGER SCHEUERMANN 5555 SAN FELIPE STE 1625 HOUSTON TX 77056 HERBERT SMITH LLP EXCHANGE HOUSE PRIMROSE STREET LONDON EC2A 2HS UNITED KINGDOM HERCULES LIFTBOAT COMPANY 9 GREENWAY PLAZA SUITE 2200 HOUSTON TX 77046 HERCULES LIFTBOAT COMPANY, LLC DEPT. 819 P. O. BOX 4346 HOUSTON TX 77210-4346 HERMAN L LOEB PO BOX 524 LAWRENCEVILLE IL 62439 ASIA HOUSE 4 WEIZMANN ST HERZOG FOX & NEEMAN TEL AVIV 5430 WESTHEIMER ATTN HESS CLUB JENNIFER JACKSON HOUSTON TX 77056 HESS CORPORATION PO BOX 201544 HOUSTON TX 77216-1544 HIGH ISLAND OFFSHORE SYSTEM, LLC DEPT 0839 PO BOX 120001 HOUSTON TX 75312-0839

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 24 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 37 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country HIL INTERNATIONAL LAWYERS ROOM 2505B, ICC-TOWER, NO. & ADVISERS 3000 NORTH ZHONGSHAN ROAD SHANGHAI 200063 PEOPLES REP OF CHINA HILTON WEAVER JR. PO BOX 1744 JENA LA 71342 HINTON & BAILEY LLP 5300 MEMORIAL DRIVE TENTH FLOOR HOUSTON HOUSTON TX 07707 HINTON & BAILEY, LLP ATTN JOE W. BAILEY 5300 MEMORIAL DRIVE TENTH FLOOR HOUSTON TX 77007 HIPS UJI OPERATING CO. PO BOX 731092 DALLAS TX 75373-1092 HISCOX SYNDICATES LIMITED 1 GREAT ST HELENS LONDON EC3A 6HX UNITED KINGDOM HLR CONTROLS, INC. P O BOX 62379 LAFAYETTE LA 70596-2379 HOBCO, INC. 159 NORTH LACARPE CIRCLE HOUMA LA 70360 HOLIDAY, LLC PO BOX 310 GALLIANO LA 70354 HOLLOWAY-HOUSTON, INC. 5833 ARMOUR DRIVE HOUSTON TX 77020 HORIZON MARINE, INC. 15 CREEK ROAD MARION MA 02738-0000 HORNBECK OFFSHORE SERVICES, LLC P O BOX 54863 NEW ORLEANS LA 70154-4863 HOS PORT, LLC P. O. BOX 54140 NEW ORLEANS LA 70154-4863 HOUMA ARMATURE WORKS & SUPPLY, INC. 2534 CUMMINS ROAD HOUMA LA 70363 Houma Armature Works & Supply, Inc. PO Box 10127 Station 1 Houma LA 70363 HOUMA ARMATURE WORKS / SUPPLY INC. 2534CUMMINS ROAD PO BOX 10127 STATION #1 HOUMA LA 70363 HOUSTON ASSOCIATION OF PROF. LANDMEN 2011 HAPL OFFSHORE RECEPTION C/O WILL SIMS NOBLE ENERGY HOUSTON TX 77067 HOUSTON ASSOCIATION OF HOUSTON ASSOCIATION OF PROFESSIONAL LANDMEN PROF. LANDMEN C/O WILL SIMS NOBLE ENERGY HOUSTON TX 77067 1300 FIRST CITY TOWER 1001 HOUSTON BAR ASSOCIATION FANNIN HOUSTON TX 77002 HOUSTON BECNEL, INC. P.O. BOX 62088AMF HOUSTON TX 77205-2088

HOUSTON BUSINESS JOURNAL P. O. BOX 36919 CHARLOTTE NC 28236-9904 HOUSTON CASUALTY COMPANY 13403 NORTHWEST FREEWAY SUITE 200 HOUSTON TX 77040-6094 HOUSTON CASUALTY COMPANY (UK) 40 LIME STREET LONDON EC3M 5BS UNITED KINGDOM HOUSTON CHAPTER - API 7170 CHERRY PARK DRIVE HOUSTON TX 77095 HOUSTON CHAPTER API P. O. BOX 219276 HOUSTON TX 77218 HOUSTON CHRONICLE PO BOX 80075 PRESCOTT AZ 86304-8075 HOUSTON DRILLING MANAGEMENT, LLC 900 ROCKMEAD DRIVE SUITE 220 KINGWOOD TX 77339 HOUSTON ENERGY, INC 1415 LOUISIANA STE 2400 HOUSTON TX 77002 HOUSTON PROCUREMENT & LOGISTICS INTL, INC. 10590 WESTOFFICE DRIVE HOUSTON TX 77042-5332 HOUSTON PRODUCERS FORUM ATTN SHARON BLACK 11152 WESTHEIMER #806 HOUSTON TX 77042 HPF C/O SHARON BLACK 11152 WESTHEIMER # 806 HOUSTON TX 77042 HS ENERGY LLC 172 RUE ACADIAN BELLE CHASE LA 70037 4023 AMBASSADOR CAFFERY HUB CITY INDUSTRIES, INC. PKWY STE 200 LAFAYETTE LA 70503-5268 HUB INTERNATIONAL 3510 N. CAUSEWAY BLVD. SUITE 200 METAIRIE LA 70009 HUBERT F TETT 12522 BLACKSTONE COURT HOUSTON TX 77077-2408 HUDSON INSURANCE COMPANY (CLEARWATER HUDSON INSURANCE MARINE) COMPANY 17 STATE STREET NEW YORK NY 10004 HUNT CHIEFTAIN DEVELOPMENT, L P P O BOX 848018 DALLAS TX 75284-8018 HUNT PETROLEUM (AEC), INC 1601 ELM ST, STE 4700 DALLAS TX 75201 HUNTON & WILLIAMS LLP 951 E. BYRD ST. # 200 RICHMOND VA 23219 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 25 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 38 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country HURON CONSULTING SERVICES LLC 4795 PAYSHERE CIRCLE CHICAGO IL 60674 HUSTLER MARINE SERVICES, INC. P. O. BOX 181 PORT OCONNOR TX 77982 HYDRALIFT AMCLYDE, INC. NW 7907 PO BOX 1450 MINNEAPOLIS MN 55485-7907 HYDRATIGHT OPERATIONS, INC. 23247 NETWORK PLACE CHICAGO IL 60673-1232 HYDRILL COMPANY LP PO BOX 975185 DALLAS TX 75373-5185

USE NO 3813 AMEGY BANK HYDRO GOM DEPT 482 ACCT NO 0444404368 PO BOX 4346 HOUSTON TX 72210-4346 HYDRODYNAMIC CUTTING SERVICES 117 ZONOLITE STREET LAFAYETTE LA 70508-2526 I&E TECHNOLOGIES, LLC PO BOX 386 ABBEVILLE LA 70511-0386 ICE SYSTEMS INC PO BOX 11126 HAUPPAUGE NY 11788 IHS GLOBAL INC. DEPT. 2327 PO BOX 122327 DALLAS TX 75312-2327 NATIONAL INSURANCE COMPANY (CHARTIS) 99 HIGH ST. # 31 BOSTON MA 02110 ILLINOIS NATIONAL INSURANCE COMPANY ILLINOIS NATIONAL (CHARTIS) INSURANCE COMPANY P.O. BOX 25947 SHAWNEE MISSION KS 66225

IMPACT RISK SOLUTIONS, LLC 2500 CITYWEST BLVD. STE 800 HOUSTON TX 77042 IMPACT SELECTOR INC P.O. BOX 2499 ROCKWALL TX 75087 IMPACT WEATHER, INC. PO BOX 751869 HOUSTON TX 77275-1869 IMPERIAL CREDIT CORPORATION P. O. BOX 200455 DALLAS TX 75320-0455 INDEPENDENT PETROLEUM ASSOCIATION 1101 SIXTEENTH STREET N.W. WASHINGTON DC 20036 INDUSTRIAL OILFIELD SERVICES 141 RIDGEWAY DR. LAFAYETTE LA 70503 INDUSTRIAL WELDING SUPPLY CO., INC. 111 BURAS DRIVE BELLE CHASE LA 70037 INFRASSURE LTD. UETIBERGSTRASSE 134A P.O. BOX 5089 ZURICH CH-8045 SWITZERLAND INPRESS PO BOX 270964 HOUSTON TX 77277 INSTRUMENT & VALVE SERVICES 12001 TECHNOLOGY DRIVE EDEN PRAIRIE MN 55344 INSTRUMENT & VALVE SERVICES CO. 22737 NETWORK PLACE CHICAGO IL 60673-1227 Instrument & Valve Services c/o Kristen Jakobitz, Emerson Company Process Management LLLP 8000 Norman Center Drive Suite 1200 Bloomington MN 55437 INTEGRATED PRODUCTION 16800 GREENSPOINT PARK SERVICES, INC. DRIVE HOUSTON TX 77060 INTERMOOR, INC. DEPT. AT 952411 ATLANTA GA 31192-2411

INTERNATIONAL INSURANCE COMPANY OF HANNOVER, LTD. LAVENIR OPLADEN WAY, BRACKNELL BERKSHIRE RG12 0PH UNITED KINGDOM INTERNATIONAL MARINE PO BOX 1607 LAROSE LA 70373 INTERNATIONAL MARINE, LLC P. O. BOX 1580 LAROSE LA 70373 INTERNATIONAL PAINT, LLC 22429 NETWORK PLACE CHICAGO IL 60673-1224 INTERNATIONAL SNUBBING SERVICES, L.L.C. DEPT. 2125 PO BOX 122125 DALLAS TX 75312-2125 INTEROCEAN MARINE SERVICES, LTD. STEADFAST HOUSE GREENWELL ROAD ABERDEEN AB12 3AX UNITED KINGDOM INTERTEK USA INC. PO BOX 416482 BOSTON MA 02241-6482 11811 NORTH FREEWAY STE INTERTEK WISCO 600 HOUSTON TX 77060 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 26 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 39 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country INVESHARE, INC PO BOX 191308 ATLANTA GA 31119-1308 IOT-DOSCO BV PO BOX 7261 ZOETERMEER 2701 AG THE NETHERLANDS 1201 15TH STREET NW SUITE IPAA 300 WASHINGTON DC 20005 IPAA P. O. BOX 79584 BALTIMORE MD 21279-0584 IPAA OGIS 1201 15TH ST. NW SUITE 300 WASHINGTON DC 20005 IPT GLOBAL, LLC 6725 S. FRY RD. STE 700 KATY TX 77494 IR SOLUTIONS 14041 NW 8TH ST FT LAUDERDALE FL 33325-6267 IRONSHORE INSURANCE LTD. (50) & STARR INSURANCE & REINSURANCE LIMITED (50) IRON-STARR EXCESS AGENCY 141 FRONT STREET HAMILTON 0HM19 BERMUDA ISYS MEDIA 911 28 STREET NE CALGARY AB T2A 7X1 CANADA ITT CORPORATION INDUSTRIAL PROCESS PO BOX 371630 PITTSBURGH PA 15250-7630 J F MCILWAIN C/O CLK COMPANY PO BOX 6038 NEW ORLEANS LA 70174-6038 J MARK FANNING 5329 SHADY MAPLE DR KINGWOOD TX 77339 J O GALLAGHER PO BOX 27510 HOUSTON TX 77227

J SCHNEIDER AND ASSOCIATE 325 INDUSTRIAL PARKWAY LAFAYETTE LA 70508 J SCHNEIDER AND ASSOCIATES LTD. 325 INDUSTRIAL PARKWAY LAFAYETTE LA 70508 J W YELDELL, JR 400 HECTOR AVE METAIRIE LA 70005 J. CONNOR CONSULTING, INC. 16225 PARK TEN PLACE SUITE 700 HOUSTON TX 77084 J.H. WALKER TRUCKING PO BOX 19771 HOUSTON TX 77224 JACK DICKSON 30 WOODSTONE DRIVE MANDEVILLE LA 70471 JACKSON & WALKER, L. L. P. ATTORNEYS & CONSELORS P.O. BOX 130989 DALLAS TX 75313-0989 JACKSON & WALKER, L. L. P. P.O. BOX 130989 DALLAS TX 75313-0989 JAMES H DICK 19823 GULFWIND COURT HOUSTON TX 77094 JAMES WELLS JANIC DIRECTIONAL SURVEY INC PO BOX 91830 LAFAYETTE LA 70509 JANIC DIRECTIONAL SURVEY, JANIC DIRECTIONAL SURVEY INC. INC PO BOX 91830 LAFAYETTE LA 70509 JAPEX (US) CORPORATION 5051 WESTHEIMER STE 425 HOUSTON TX 77056 16225 PARK TEN PLACE STE JCC SERVICES, INC. 700 HOUSTON TX 77084 JEFFRIES & COMPANY, INC. 520 MADISON AVENUE 10TH FLOOR NEW YORK NY 10022 JEREMY RICHARDS 2345 SAGE ST #384 HOUSTON TX 77056 JERRY HANEY Jerry L Ziegler 8308 Karpeal Dr. Sarasota FL 34238 Jerry Saylor 17161 Green Lane Huntington Beach CA 92649 JERRY WENZEL 609 ALONDA DR. LAFAYETTE LA 70503 JESS JOHNSON CONSULTING 3322 N. BRAESWOOD BLVD. HOUSTON TX 77025 JET SERVICES P.O. BOX 750-190 HOUSTON TX 77275 JLT INSURANCE GROUP 6 CRUTCHED FRIARS LONDON EC3N 2PH UNITED KINGDOM 1999 AVENUE OF THE STARS JMB CAPITAL PARTNERS LP STE 2040 LOS ANGELES CA 90067 JOE BASCO 1633 JOHNSON CHUTE RD NATCHITOCHES LA 71457 JOES SEPTIC CONTRACTORS, INC. PO BOX 4177 HOUMA LA 70361 JOHN A SANSBURY, JR 51 PALMER WOODS DR THE WOODLANDS TX 77381 JOHN CRANE INC. 24929 NETWORK PLACE CHICAGO IL 60673-1249 JOHN H. CARTER CO, INC DEPT# 161 P. O. BOX 4869 HOUSTON TX 77210-4869 JOHN HOLLINS 3019 WOODLAND VIEW DR KINGWOOD TX 77345 JOHN ROBERT MILLER 1525 ARLINGTON ST HOUSTON TX 77008

JOHN TAYLOR CONSULTANT 1191 N FULLTON BEACH ROAD ROCKPORT TX 78382 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 27 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 40 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country JOHN W. STONE OIL DISTRIBUTOR LLC PO BOX 2010 GRETNA LA 70054-2010 JOHN W. STONE OIL DISTRIBUTOR, L.L.C. DEPT 322 PO BOX 4869 HOUSTON TX 77210-4869 JONES HEWARD 115 S. LASALLE, 11TH FLOOR CHICAGO IL 60603 201 ST CHARLES AVE 50TH JONES WALKER FLOOR NEW ORLEANS LA 70170-5100 JOSEPH Q WATSON PO BOX 22290 HOUSTON TX 77227-2290 Joseph T Doke Sr. 133 River Walk Trl New Market AL 35761 JP MORGAN CHASE PO BOX 659754 SAN ANTONIO TX 78265 JP MORGAN CHASE BANK PO BOX 13658 NEWARK NJ 07188-0658 JP MORGAN CHASE BANK NA WSS GLOBAL FEE BILLING PO BOX 26040 NEW YORK NY 10087-6040 JPMORGAN CHASE BANK NA P. O. BOX 94016 PALATINE IL 60094-4016 JULIUS BAER BAHNHOFSTRASSE 36 PO BOX ZURICH 08010 SWITZERLAND JULIUS BAER 330 MADISON AVE 12TH FL NEW YORK NY 10017 K & B MACHINE WORKS, LLC STATION 1 BOX 10265 HOUMA LA 70363 K & K OFFSHORE, INC. P. O. BOX 1578 MORGAN CITY LA 70381 K & K OFFSHORE, LLC K & K OFFSHORE, INC. P. O. BOX 1578 MORGAN CITY LA 70381 K A SMALL 11629 GREEN OAKS HOUSTON TX 77024 K J HUFFMAN 4 AUTUMN LANE MANDEVILLE LA 70448 K&S RESOURCES, LLC. 31102 JOHLKE LANE MAGNOLIA TX 77355 K2 ROYALTY CORP INC ATTN MR SHAWN KIMEL 2520 ST ROSE PKWY STE 212 HENDERSON NV 89074 2520 ST ROSE PARKWAY, K2 ROYALTY CORP, INC SUITE 212 HENDERSON NV 89074

KAPLAN MANAGEMENT VERTEX BUSINESS SERVICES 2049 WESTCREEK HOUSTON TX 77027 KEBA ENERGY LLC 125 W 55TH ST 22ND FL NEW YORK NY 10019 KEBA ENERGY LLC (AFFILIATE WITH MACQUARIE 125 WEST 55TH STREET, 22ND INVESTMENTS) FLOOR NEW YORK NY 10019 KEBA ENERGY, LLC C/O MACQUARIE BANK 500 DALLAS ST STE 3250 ATTN MICHAEL SEXTRO HOUSTON TX 77002 KEEL CHARLES C/O REECH LAWFIRM LLC ROBERT V REECH 812 N RANGE AVENUE DENHAM SPRINGS LA 70726 KELLY D FRY 2914 WOODS ESTATES DR KINGWOOD TX 77339 KEN YOUNG 431 NURSERY RD STE C-400 SPRING TX 77380 KENNETH DROPEK 14226 CAROLCREST HOUSTON TX 77079 KEN-VAC CORPORATION PO BOX 52625 LAFAYETTE LA 70505 KERR MCGEE CORPORATION E&P DIVISION PO BOX 730245 DALLAS TX 75373-0245 KERR-MCGEE OIL & GAS CORPORATION PO BOX 730245 DALLAS TX 75373-0245 17514 HARRISON LAKES KEVIN TALLEY CIRCLE SPRING TX 77379 KEY ENERGY SERVICES, LLC 1301 MCKINNEY SUITE 1800 HOUSTON TX 77010 KGM EXPRESS, INC. PO BOX 840471 HOUSTON TX 77284-0471 Kilgore Marine Services Inc. 200 Beaullieu Dr., Bldg #8 Lafayette LA 70508 KINDRICK & LUTHER 720 N. POST OAK SUITE 308 HOUSTON TX 77024 Kindrick & Luther, L.P. 720 N. Post Oak Rd # 308 Houston TX 77024 ALLAN L MIELSCH TAX KLEIN ISD ASSESSOR/ COLLECTOR 7200 SPRING-CYPRESS RD. KLEIN TX 77379-3299 KLS DIVERSIFIED MASTER FUND L.P. UGLAND HOUSE GRAND CAYMAN KY1-1104 KY KLS DIVERSIFIED MASTER FUND L.P. 140 EAST 45TH STREET 39TH FLOOR NEW YORK NY 10017 KLS FOCUS PERFORMANCE UGLAND HOUSE, SOUTH FUND LTD CHURCH STREET GRAND CAYMAN KY1-1104 KY KLS FOCUS PERFORMANCE FUND LTD 140 EAST 45TH STREET 39TH FLOOR NEW YORK NY 10017 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 28 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 41 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country KNAPP LOCK & SAFE 3262 WESTHEIMER RD. #514 HOUSTON TX 77098 KNIGHT FISHING SERVICES PO BOX 52823 LAFAYETTE LA 70505-2823 KNIGHT OIL TOOLS P. O. BOX 53883 LAFAYETTE LA 70505-3883 KNIGHT WELL SERVICES PO BOX 53616 LAFAYETTE LA 70505

KNOX INSURANCE GROUP, LLC PO BOX 53406 LAFAYETTE LA 70505 KONGSBERG PROCESS 11000 RICHMOND AVE SUITE SIMULATION, INC. 360 HOUSTON TX 77042 KPMG LLP DEPT. # 0691 PO BOX 120691 DALLAS DALLAS TX 75312 KPMG, L. L. P. DEPT. #0691 P. O. BOX 120691 DALLAS TX 75312-0691 KRUSE ENTERPRISES LLC 5442 WIGTON DRIVE HOUSTON TX 77096 KRYN PETROLEUM SERVICES LLC 2402 DRS ROAD RICHMOND TX 77406 KURT SOMMER 2230 TANGLEY ST HOUSTON TX 77005-2608 L & B TRANSPORT LLC PO BOX 74870 BATON ROUGE LA 70874 L & L OIL AND GA DO NOT USE P. O. BOX 99648 CHICAGO IL 60690 L F BURSON 317 BLUE HERON DR MONTGOMERY TX 77316 L L BENEDETTO 10008 SUAVE OAKS LANE RIVER RIDGE LA 70123 L M ATKINS 2 TOKENEKE TRAIL HOUSTON TX 77024 L&L OIL AND GAS SERVICES, LLC. DBA MARTIN ENERGY SERVICES DEPT 30627 PO BOX 11407 BIRMINGHAM AL 35246-0627 0963 GALLERIA AREA 1625 LA QUINTA INNS WEST LOOP SOUTH HOUSTON TX 77027 LABORATORY TECHNOLOGY INCORPORATED 2400 RICHMOND ST KENNER LA 70062 LABORATORY TECHNOLOGY INCORPORATED P.O. BOX 64-0848 KENNER LA 70064 LABORATORY TECHNOLOGY LABORATORY TECHNOLOGY INCORPORATED INCORPORATED P.O. BOX 64-0848 KENNER LA 70064 LABORDE & NEUNER ONE PETROLEUM CENTER 1001 W. PINHOOK RD STE 200 PO BOX 52828 LAFAYETTE LA 70505-2828 1001 W. PINHOOK ROAD SUITE LABORDE & NEUNER ATTN KEVIN R. MERCHANT 200 LAFAYETTE LAFAYETTE LA 70503 1001 W PINHOOK ROAD SUITE LABORDE & NEUNER RE CRAIG FONTENETTE KEVIN R MERCHANT 200 LAFAYETTE LA 70503 1001 W PINHOOK ROAD SUITE LABORDE & NEUNER RE KEEL CHARLES KEVIN R MERCHANT 200 LAFAYETTE LA 70503 1001 W PINHOOK ROAD SUITE LABORDE & NEUNER RE SCHUYLER MCGEE KEVIN R MERCHANT 200 LAFAYETTE LA 70503 1001 W PINHOOK ROAD SUITE LABORDE & NEUNER RE WILBUR H. BICKHAM KEVIN R MERCHANT 200 LAFAYETTE LA 70503 LAGAYLE WILSON 2317 57TH OKLAHOMA CITY OK 73112 LANCASHIRE INSURANCE COMPANY (UK) LIMITED 11TH FLOOR, VITRIO 60 FENCHURCH STREET LONDON EC3M 4AQ UNITED KINGDOM LANCASHIRE INSURANCE COMPANY LIMITED 44 CHURCH STREET HAMILTON 0HM12 BERMUDA LANDTEL COMMUNICATIONS P. O. BOX 61567 LAFAYETTE LA 70596-1567 LANTERN PETROLEUM P O BOX 2281 MIDLAND TX 79702

LAREDO CONSTRUCTION, INC. 13385 MURPHY ROAD STAFFORD TX 77477 LARIS INSURANCE AGENCY PO BOX 559 LOCKPORT LA 70374-0559 LAROCHE PETROLEUM 2435 NORTH CENTRAL CONSULTANTS LTD EXPRESSWAY STE 1500 RICHARDSON TX 75080 LARRY D ADUDDELL 909 COMMERCE REFUGIO TX 78377 LARRY D CORBIN 11119 MEADOWICK DR HOUSTON TX 77024 1000 W ASHLEY WILSON RD. LATONYA J. BROWN #505 SWEENY TX 77480 LAUREN E. PATTERSON 1127 GLOURIE DRIVE HOUSTON TX 77055 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 29 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 42 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country LAWRENCE LE BOEUF 336 TAN RD LAKE CHARLES LA 70607 LAWYERS AID SERVICE, INC PO BOX 848 AUSTIN TX 78767-0848 LEBLANC & ASSOCIATES INC. 132 INTRACOASTAL DR. HOUMA LA 70363 LEE GRAPHICS INC 6877 WYNNWOOD LANE HOUSTON TX 77008 LEGACY OFFSHORE, LLC PO BOX 591 BELLE CHASSE LA 70037 LELAND E. TATE 4600 POST OAK PLACE HOUSTON TX 77027 LESTER E CLARK, JR 3721 LOCKE LANE HOUSTON TX 77027 LEVEL 3 COMMUNICATIONS 1025 ELDORADO BLVD BROOMFIELD CO 80021 LEVEL 3 COMMUNICATIONS, LLC 1025 ELDORADO BLVD BROOMFIELD CO 80021 LEVICK STRATEGIC COMMUNICATION 1900 M ST., NW WASHINGTON DC 20036 LEVICK STRATEGIC COMMUNICATIONS 1900 M STREET NW 4TH FLOOR WASHINGTON DC 20036 LEXCO DATA SYSTEMS L.P. P.O. BOX 692372 HOUSTON TX 77269 LEXIS NEXIS PO BOX 2314 CAROL STREAM IL 60132-2314 LIBERTY MUTUAL INSURANCE COMPANY 175 BERKELEY STREET BOSTON MA 02117 LIBERTY SERVICES, INC. PO BOX 54467 NEW ORLEANS LA 70154-4467 LIFE INSURANCE CO. NA PO BOX 13701 PHILADELPHIA PA 19101-3701 LINCOLN FINANCIAL GROUP PO BOX 0821 CAROL STREAM IL 60132-0821

LINDA E EHRMANN 3715 GLENWOOD SPRINGS DR KINGWOOD TX 77345 LISKOW & LEWIS 701 POYDRAS ST. STE 5000 NEW ORLEANS LA 70139

LIVING FAITH BAPTIST CHURCH 4310 HOLLOWAY DRIVE HOUSTON TX 77047 LIZ DODSON LLOG EXPLORATION CO. 1001 OCHSNER BLVD STE 200 COVINGTON LA 70433 LLOG EXPLORATION OFFSHORE, INC 11700 OLD KATY RD, STE 295 HOUSTON TX 77079 LOGIC CONTROL SYSTEMS 210 DERRICK ROAD BROUSSARD LA 70518 LOGIC CONTROL SYSTEMS, LLC LOGIC CONTROL SYSTEMS 210 DERRICK ROAD BROUSSARD LA 70518 LONE STAR RIDE FIGHTING AIDS PO BOX 190537 DALLAS TX 75219 LONGNECKER PROPERTIES, INC. LONGNECKER & ASSOCIATES 11011 JONES ROAD, SUITE 200 HOUSTON TX 77070 LORD SECURITIES CORPORATION 48 WALL STREET 27TH FLOOR NEW YORK NY 10005 LOUIS S MENDENHALL 5300 MEMORIAL DR STE 550 HOUSTON TX 77007

LOUISIANA DEPT OF REVENUE POST OFFICE BOX 201 BATON ROUGE LA 70821-0201

LOUISIANA DEPT OF REVENUE P.O. BOX 91011 BATON ROUGE LA 70821-9011 LOUISIANA ENVIRONMENTAL MONITORING 301 TURN ROW LAFAYETTE LA 70508 LOUISIANA ENVIRONMENTAL MONITORING & SUPPLY, INC. 301 TURN ROW LAFAYETTE LA 70508 LOUISIANA INTERNATIONAL LOUISIANA INTERNATIONAL MARINE, INC. MARINE 1423 WHITNEY AVE GRETNA LA 70056-5027 LOUISIANA LAND & C/O BURLINGTON RESOURCES EXPLORATION COMPANY O & G CO PO BOX 840656 DALLAS TX 75284-0656 LOUISIANA MACHINERY P. O. BOX 54942 NEW ORLEANS LA 70154 LOUISIANA MACHINERY COMPANY, LLC LOUISIANA MACHINERY P. O. BOX 54942 NEW ORLEANS LA 70154 LOUISIANA OFFSHORE VENTURES II 1415 LOUISIANA, STE 2400 HOUSTON TX 77002

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 30 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 43 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country LOUISIANA OILFIELD DIVERS, LLC 850 ENGINEERS ROAD BELLE CHASSE LA 70037 LOUISIANA SAFETY SYSTEMS, INC. PO BOX 53729 LAFAYETTE LA 70505 LOUISIANA VALVE SOURCE, INC. PO BOX 2231 LAFAYETTE LA 70502 Durio McGoffin Stagg & Louisiana Valve Source, Inc. C/O Jeffrey Ackermann Ackermann P.O. Box 51308 Lafayette LA 70505 LOUISIANA WORKFORCE COMMISSION 1001 N 23RD ST BATON ROUGE LA 70802 LOUSIANA COASTAL MANAGEMENT DIVISION P.O. BOX 44487 BATON ROUGE LA 70804 LOUSIANA COASTAL LOUSIANA COASTAL MANAGEMENT LLC MANAGEMENT DIVISION P.O. BOX 44487 BATON ROUGE LA 70804 LUCI JOHNSON-DAVIS 515 RUSK ST. SUITE 3516 HOUSTON TX 77002 LUFKIN INDUSTRIES, INC. PO BOX 201331 HOUSTON TX 77216-1331 LYNNE L HACKEDORN 2011 BOLSOVER HOUSTON TX 77005 M & M OIL TOOLS, INC. P. O. BOX 14108 NEW IBERIA LA 70562-4108

M N KARL C/O CLK COMPANY 1615 POYDRAS ST, 5TH FLOOR NEW ORLEANS LA 70112 M&H ENTERPRISES, INC. M&H ENTERPRISES 2900 WILCREST, SUITE 300 HOUSTON TX 77042 M.M. INDUSTRIES, INC. P. O. BOX 3611 MORGAN CITY LA 70381 MACDERMID OFFSHORE SOLUTIONS, L.L.C. PO BOX 203552 DALLAS TX 75320-3552 MAC-NETT ENVIRONMENTAL SERVICES, LLC 445 MARSHALL STREET CAMERON LA 70631 MAC-NETT ENVIRONMENTAL SERVICES, LLC- CAMERON 2977 MONTERREY DRIVE BATON ROUGE LA 70814 MACQUARIE AMERICAS 125 WEST 55TH ST, 22ND CORPORATION ATTN DIRECTOR FLOOR NEW YORK NY 10019 MACQUARIE BANK LIMITED LONDON LONDON GB MACQUARIE BANK LIMITED ONE ALLEN CENTER 500 DALLAS STE 3250 HOUSTON TX 77002 MACQUARIE INVESTMENTS LLC 125 W 55TH ST 22ND FL NEW YORK NY 10019 MACQUARIE INVESTMENTS 125 WEST 55TH STREET, 22ND LLC ATTN MANAGER FLOOR NEW YORK NY 10019 MADISON T WOODARD, III 149 RADNEY RD HOUSTON TX 77024 MAGELLAN MARINE INTL LLC 2816 ATHANIA PARKWAY METAIRIE LA 70002 MAGNUM HUNTER PRODUCTION, INC C/O CIMAREX ENERGY CO 15 E 5TH ST STE 1000 TULSA OK 74103

MAGNUM MUD EQUIPMENT CO. P. O. BOX 4258 HOUMA LA 70361 MAILFINANCE 25881 NETWORK PLACE CHICAGO IL 60673-1258 MAJOR EQUIPMENT & REMEDIATION P. O. BOX 3616 MORGAN CITY LA 703581 MAJOR EQUIPMENT & MAJOR EQUIPMENT & REMEDIATION SERVICE REMEDIATION P. O. BOX 3616 MORGAN CITY LA 703581 MAKO RENTALS, INC. PO BOX 220 BOURG LA 70343 MAKO TECHNOLOGIES, INC PO BOX 3186 MORGAN CITY LA 70381 MANAGING AGENCY PARTNERS LIMITED 1ST FLOOR 110 FENCHURCH STREET LONDON EC3M 5JT UNITED KINGDOM MANTA RAY OFFSHORE GATHERING CO, LLC 5042 PAYSHERE CIRCLE CHICAGO IL 60674 MAPLE LEAF CONSULTING SERVICES LP C/O TERRY THIBODEAUX 18115 STOCKTON SPRINGS RD SPRING TX 77379 MARATHON OIL COMPANY DEPT 0882 PO BOX 120001 DALLAS TX 75312-0882 MARC VAN DER VELDEN

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 31 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 44 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country MARINE CHEMISTS OF LOUISIANA 18342 GREEN LAKES COURT BATON ROUGE LA 70810 MARINE CHEMISTS OF LOUISIANA LLC PO BOX 9064 BRIDGE CITY LA 70096 MARINE COMPUTATIONAL SERVICES KENNY INC. 15115 PARK ROW 3RD FLOOR HOUSTON TX 77084 MARINE COMPUTATIONAL MARINE COMPUTATIONAL SERVICES KENNY INC. SERVICES KENNY INC 15115 PARK ROW 3RD FLOOR HOUSTON TX 77084 MARINE EQUIPMENT INC. PO BOX 73049 HOUSTON TX 77273-3049 MARINER ENERGY, INC PO BOX 847364 DALLAS TX 75284-7364 MARITECH RESOURCES, INC PO BOX 841063 DALLAS TX 75202 MARK A GANNAWAY 209 FARMINGTON DR LAFAYETTE LA 70503 MARK H PARROTT 14611 SUTTER CREEK LN HUMBLE TX 77396 MARK HOWARD GILLESPIE 24919 MAGNOLIA RD HOCKLEY TX 77447 MARK K CASTELL 4462 S GARY AVE TULSA OK 74105-4360 MARK K STOVER 25810 HAVEN LAKE DR TOMBALL TX 77375 MARK S ALSPAUGH P O BOX 111 4582 KINGWOOD DR STE E KINGWOOD TX 77345 MARKEL SYNDICATE MANAGEMENT LIMITED THE MARKEL BUILDING 49 LEADENHALL STREET LONDON EC3A 2EA UNITED KINGDOM MARKETFORM MANAGING AGENCY LIMITED 8 LLOYDS AVENUE LONDON EC3N 3EL UNITED KINGDOM MARKETSPHERE CONSULTING, LLC PO BOX 30123 OMAHA NE 68103-1223 MARSH USA, INC. DEPT 44509 PO BOX 44000 SAN FRANCISCO CA 94144-4509 MARTIN ENERGY SERVICES LLC DEPT 30616 PO BOX 11407 BIRMINGHAM AL 35246-3061 MARTIN HOLDINGS, LLC 16201 EAST MAIN STREET CUT OFF LA 70345 MARTIN TERMINAL, INC. P. O. BOX 310 GALLIANO LA 70354 MARTIN-DECKER TOTCO P.O. BOX 201153 DALLAS TX 75320-1153 MARUBENI OFFSHORE PRODUCTION (USA) INC 777 NORTH ELDRIDGE STE 900 HOUSTON TX 77079 777 N ELDRIDGE PKWY, STE MARUBENI OIL & GAS (USA) INC 900 HOUSTON TX 77079

MARUBENI OIL & GAS (USA) INC 777 NORTH ELDRIDGE STE 900 HOUSTON TX 77079 FINANCIAL 500 BOYLSTON ST BOSTON MA 02116 MASSACHUSETTS FINANCIAL BOSTON MA 02116-3741

MASTER FLO VALVE (USA) INC. 8726 FALLBROOK DR. HOUSTON TX 77064 MATTE SERVICES CORPORATION PO BOX 688 GROVES TX 77619-0688 MATTHEW BENDER P. O. BOX 7247-0178 PHILADELPHIA PA 19170-0178 MAURICE MILLER 10440 SOUTH DR APT 1202 HOUSTON TX 77099 1330 LAKE ROBBINS DR , STE MAXUS (US) EXPLORATION TOWN CENTER TWO BUILDING 300 THE WOODLANDS TX 77380 MAYER BROWN LLP 700 LOUISIANA STREET SUITE 3400 HOUSTON TX 77002-2730 MAYER, BROWN, ROWE & MAW LLP ATTN ROBERTO GONZALES 2027 COLLECTION CENTER DR. CHICAGO IL 60693-0020 MC DONALD BOTTOM HOLE PRESSURE SPECIAL 1113 BURMA ROAD THIBODAUX LA 70301-6181 MC DONALD BOTTOM HOLE MC DONALD BOTTOM HOLE PRESSURE SPECIALISTS PRESSURE SPECIAL 1113 BURMA ROAD THIBODAUX LA 70301-6181 390 GREENWICH ST, 7TH MC VPP LLC ATTN DON DIMITRIEVICH FLOOR NEW YORK NY 10013 MCCALLS OFFSHORE DOCK P. O. BOX 186 CAMERON LA 70631 MCCALLS OFFSHORE DOCK, INC. MCCALLS OFFSHORE DOCK P. O. BOX 186 CAMERON LA 70631

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 32 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 45 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country

MCGRIFF, SEIBELS & WILLIAMS ATTEN HALEY ALDRIDGE 2211 7TH AVENUE SOUTH BIRMINGHAM AL 35233 MCGRIFF, SEIBELS, WILLIAMS OF TEXAS INC DRAWER 456 PO BOX 11407 BIRMINGHAM AL 35246-0001

MCMASTER-CARR SUPPLY CO. P. O. BOX 7690 CHICAGO IL 60680-7690 MCMILLAN LLP 181 BAY STREET STE. 4400 TORONTO ON T2P 3T7 CANADA MCMORAN OIL & GAS, L L C DEPT 0846 PO BOX 120001 DALLAS TX 75312 MECHANICAL EQUIPMENT COMPANY DEPT. AT 952499 ATLANTA GA 31192-2499 MECHANICAL EQUIPMENT MECHANICAL EQUIPMENT COMPANY, INC. COMPANY DEPT. AT 952499 ATLANTA GA 31192-2499 MEDIANT COMMUNICATIONS PO BOX 29976 NEW YORK NY 10087-9976 MEGA INTERNATIONAL, INC. MEGA INTERNATIONAL INC DEPT. 1005 P.O. BOX 740209 ATLANTA GA 30374 MERCER HUMAN RESOURCE CONSULTING PO BOX 730212 DALLAS TX 75373 MERCER INC. PO BOX 13793 NEWARK NJ 07188-0793 MERIT ENERGY COMPANY P. O. BOX 843755 DALLAS TX 75284-3755 MERRICK SYSTEMS INC DEPT. 2269 P. O. BOX 122269 DALLAS TX 75312-2269 MHD OFFSHORE GROUP 10695 SHADOW WOOD DRIVE HOUSTON TX 77043 M-I L.L.C. 5950 NORTH COURSE DRIVE HOUSTON TX 77072 M-I SWACO LLC 1325 S DAIRY ASHFORD HOUSTON TX 77077-2307 M-I SWACO, LLC P. O. BOX 200132 DALLAS TX 75320-0132 MICHAEL E CORBIN 47313 HOLMES LANE HAMMOND LA 70401 MICHAEL H CLARK 23914 LEGENDARY LANE DR KATY TX 77494 SHERIFF & EX OFFCIO TAX MICHAEL J WAGUESPACK COLLECTOR 112 FRANKLIN ST PO BOX 69 NAPOLEONVILLE LA 70390 MICHAEL J. WAGUESPACK SHERIFF & EX-OFFCIO TAX COLLECTOR PO BOX 69 112 FRANKLIN ST. NAPOLEONVILLE LA 70390 MICHAEL MORGAN 14 WILD COLT PLACE THE WOODLANDS TX 77382 MICROSOFT CORPORATION PO BOX 842103 DALLAS TX 75282-2103 MIECO, INC ATTN DAN LAMADRID 301 E OCEAN BLVD, STE 1100 LONG BEACH CA 90802 MILLENIUM HILTON 55 CHURCH STREET NEW YORK NY 10007 MILLENNIUM OFFSHORE GROUP INC 5300 MEMORIAL DR STE 1070 HOUSTON TX 77007-8230 MILLENNIUM OPERATING GROUP, INC 5300 MEMORIAL, STE 475 HOUSTON TX 77007 MILLER & CHEVALIER CHARTERED ATTN ADAM P. FEINBERG 655 15TH STREET, N.W. SUITE 900 WASHINGTON WASHINGTON DC 20005 MILLER & CHEVALIER MILLER & ASSOCIATES DFC, CHARTERED INC 2101 EVANGELINE HIGHWAY EVANGELINE LA 70537 RE ENSCO ANDSALAZAR AND MILLER & CHEVALIER DEPARTMENT OF THE 655 15TH STREET NW SUITE CHARTERED INTERIOR ADAM P FEINBERG 900 WASHINGTON DC 20005 MILLER & CHEVALIER RE THE UNITED STATES OF 655 15TH STREET NW SUITE CHARTERED AMERICA ADAM P FEINBERG 900 WASHINGTON DC 20005 655 FIFTEENTH STREET NW MILLER CHEVALIER STE 900 WASHINGTON DC 20005-5701 MILLER INSURANCE SERVICE MILLER CHEVALIER 655 FIFTEENTH STREET NW STE 900 WASHINGTON DC 20005-5701 MILLER INSURANCE SERVICES DAWSON HOUSE 5 JEWRY LTD. STREET LONDON EC3N 2PJ UNITED KINGDOM MILTON T GRAVES 1421 POTOMAC HOUSTON TX 77057 MINERALS MANAGEMENT MINERALS MANAGEMENT SERVICE (MMS) SERVICE P.O. BOX 60389 HOUSTON TX 77205 MINERALS MANAGEMENT SERVICES P. O. BOX 5640 DENVER CO 80217

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 33 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 46 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country MIRANT AMERICAS ENERGY 1155 PERIMETER CENTER MARKETING, LP WEST ATLANTA GA 30338-5416 MIRE & ASSOCIATES INC. 1927 HILLGREEN DRIVE KATY TX 77494 DEPARTMENT OF EMPLOYMENT SECURITY 1235 ECHELON PKWY PO BOX 1699 JACKSON MS 39215-1699

MOODYS INVESTORS SERVICE PO BOX 102597 ATLANTA GA 30368-0597 Moores Pump & Services Inc 105 Derrick Road PO Box 746 Broussard LA 70518 MOORES PUMP & SERVICES, INC. P.O. BOX 746 BROUSSARD LA 70518

MORENA & ASSOCIATES, INC. 904 STOCKTON AVE. SAN JOSE CA 95110 MORGAN CITY RENTALS PO BOX 2946 MORGAN CITY LA 70381 MORGAN STANLEY SENIOR FUNDING INC 1585 BROADWAY NEW YORK NY 10036 FLAGSTONE SYNDICATE MOSAIC - SYNDICATE #1861 MANAGEMENT LIMITED 1 MINSTER COURT, 4TH FLOOR MINCING LANE LONDON EC3V 9DU UNITED KINGDOM MOTLEY RICE LLC ATTN KEVIN R. DEAN 28 BRIDGESIDE BLVD MT. PLEASANT MT. PLEASANT SC 29464 MOTLEY RICE LLC RE BP JOE RICE 28 BRIDGESIDE BLVD MT PLEASANT SC 29464 MR D H WATERS 1902 COUNTRY CLUB BLVD SUGAR LAND TX 77478-3910 MSD & SLD CHARITABLE INVESTMENT PARTNERS MSD & SLD CHARITABLE 645 FIFTH AVENUE 21ST INVESTMENT PARTNERS FLOOR NEW YORK NY 10022 MSD CREDIT OPPORTUNITY MASTER FUND, L.P. MSD CREDIT OPPORTUNITY MASTER FUND, L.P. MR. D. H. WATERS 1902 COUNTRY CLUB BLVD. SUGAR LAND TX 77478-3910 MTP ENERGY INFRASTRUCTURE FINANCE 1603 ORRINGTON FUND CORP I-A C/O MAGNETAR FINANCIAL LLC ATTN GENERAL COUNSEL AVENUE, 13TH FLOOR EVANSTON IL 60201 MTP ENERGY INFRASTRUCTURE FINANCE FUND CORP I A ATTN GENERAL COUNSEL C O MAGNETAR FINANCIAL LLC 1603 ORRINGTON AVE 13TH FL EVANSTON IL 60201 MTP ENERGY INFRASTRUCTURE FINANCE 1603 ORRINGTON AVENUE, FUND CORP I-A C/O MAGNETAR FINANCIAL LLC 13TH FLOOR EVANSTON IL 60201 MTP ENERGY INFRASTRUCTURE FINANCE 1603 ORRINGTON AVENUE, FUND LP 13TH FLOOR EVANSTON IL 60201 MTP ENERGY INFRASTRUCTURE FINANCE FUND LP ATTN GENERAL COUNSEL C O MAGNETAR FINANCIAL LLC 1603 ORRINGTON AVE 13TH FL EVANSTON IL 60201 MTP ENERGY INFRASTRUCTURE FINANCE 1603 ORRINGTON AVENUE, FUND, LP C/O MAGNETAR FINANCIAL LLC ATTN GENERAL COUNSEL 13TH FLOOR EVANSTON IL 60201 MULTI-CHEM GROUP GC PO BOX 974320 DALLAS TX 75397-4320 MULTI-SHOT DIRECTIONAL SERVICES LLC 3335 POLLOK DRIVE CONROE TX 77303 MUNICH RE RISK SOLUTIONS - LONDON MUNICH RE KONIGINSTR. 107 MUNICH 80802 GERMANY MUNICH RE UNDERWRITING LIMITED ST HELENS 1 UNDERSHAFT LONDON EC3A 8EE UNITED KINGDOM MUNSCH HARDT KOPF & HARR, PC ACCOUNTING 500 N. AKARD 3800 LINCOLN PLAZA DALLAS TX 75201 MURPHY EXPL & PROD CO. ATTN TREASURY-JIB P. O. BOX 7000 EL DORADO AR 71731-7000 MURPHY EXPLORATION & PRODUCTION CO ATTN TREASURY-JIB P O BOX 7000 EL DORADO AR 71731-7000 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 34 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 47 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country MURPHY EXPLORATION & PRODUCTION CO USA 16290 KATY FREEWAY STE 600 HOUSTON TX 77094

MUSTANG ENGINEERING, INC. P. O. BOX 201829 HOUSTON TX 77216-1829

MUSTANG ENGINEERING, L.P. MUSTANG ENGINEERING, INC. P. O. BOX 201829 HOUSTON TX 77216-1829 NABORS OFFSHORE CORPORATION P. O. BOX 973531 DALLAS TX 75397 NANCE INTERNATIONAL, INC. P. O. BOX 1547 BEAUMONT TX NANCE INTERNATIONAL, INC. P. O. BOX 1547 BEAUMONT TX 77704 Nancy G. Schlickau Roth IRA DCG & T TTEE 5051 N Highway AIA Apt 11-6 Fort Pierce FL 34949-8272 NANCY HOLLEY 515 RUSK AVE. HOUSTON TX 77002 NAPE EXPO C/O WYNDHAM JADE PO BOX 224531 DALLAS TX 75222 NATCAN 1501 MCGILL COLLEGE STE 800 MONTREAL QC H3A 3H8 CANADA NATCAN 1501 MCGILL COLLEGE SUITE 800 MONTREAL QC H3A 3M8 CANADA NATIONAL CORPORATE RESEARCH, LTD (NCR) 10 EAST 40TH STREET 10TH FLOOR NEW YORK NY 10016 NATIONAL CORPORATE 10 EAST 40TH STREET 10TH RESEARCH, LTD. FLOOR NEW YORK NY 10016 NATIONAL INVESTOR RELATIONS INSTITUTE PO BOX 96040 WASHINGTON DC 20090-6040 NATIONAL INVESTOR NATIONAL INVESTOR RELATIONS INSTITUTE (NIRI) RELATIONS INSTITUTE PO BOX 96040 WASHINGTON DC 20090-6040 NATIONAL OCEAN INDUSTRIES ASSOCIATION ANN CHAPMAN 1120 G STREET N.W. SUITE 900 WASHINGTON DC 20005 NATIONAL OILWELL PO BOX 200838 DALLAS TX 75320-0838 NATIONAL OILWELL VARCO P. O. BOX 202251 DALLAS TX 75320-2251 NATIONAL OILWELL VARCO NOV WELL SITE SERVICES PO BOX 30 LAKE ARTHUR LA 70549

NATIONAL OILWELL VARCO, LP PO BOX 202631 DALLAS TX 75320 NATIONAL TANK COMPANY CAMERON NATCO P. O. BOX 200203 HOUSTON TX 77216-0203 NATIONAL UNION FIRE INSURANCE CO. OF PITTSBURGH, PA CHARTIS OIL RIG DIVISION P.O. BOX 10642 NEWARK NJ 07193-0642 NATIONAL WELDING SUPPLY CO., INC. P. O. BOX 9786 NEW IBERIA LA 70562-9786 NAUTICAL SOLUTIONS PO BOX 310 GALLIANO LA 70354-0310 NAUTICAL VENTURES, LLC PO BOX 310 GALLIANO LA 70354 NAVIGATORS INSURANCE COMPANY NAVIGATORS PRO ONE PENN PLAZA 32ND FLOOR NEW YORK NY 10119 NAVIGATORS UNDERWRITING AGENCY LIMITED 2 MINSTER COURT, 4TH FLOOR MINCING LANE LONDON EC3R 7BB UNITED KINGDOM NCA ENERGY SERVICES LLC 1100 POYDRAS STREET SUITE 1450 NEW ORLEANS LA 70163 NCX COMPANY, INC PO BOX 55850 METAIRIE LA 70055-5850 NEOFUNDS BY NEOPOST PO BOX 30193 TAMPA FL 33630-3193 NEOPOST USA PO BOX 45800 SAN FRANCISCO CA 94145-0800 NETHERLAND SEWELL & ASSOCIATES INC 4500 THANKSGIVING TOWER 1601 ELM STREET DALLAS TX 75201-4754 NEUBERGER BERMAN 605 THIRD AVE, 36TH FL NEW YORK NY 10158 NEW CENTURY RENTALS INC PO BOX 81181 LAFAYETTE LA 70598 NEW CENTURY SYSTEMS 2601 SOUTH BROADWAY #34 LA PORTE TX 77571 NEW OFFSHORE, INC. PO BOX 2176 MORGAN CITY LA 70381 NEW TECH GLOBAL VENTURES, LLC P. O. BOX 4724 MSC 800 HOUSTON TX 77210

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 35 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 48 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country NEW YORK MARINE & GENERAL INSURANCE NEW YORK MARINE & COMPANY (PROSIGHT GENERAL INSURANCE C/O PROSIGHT SPECIALTY 919 THIRD AVENUE, 10TH SPECIALTY) COMPANY INSURANCE FLOOR NEW YORK NY 10022 NEWFIELD EXPLORATION 363 N. SAM HOUSTON COMPANY PARKWAY E. SUITE 2020 HOUSTON TX 77060 NEWFIELD EXPLORATION COMPANY MAIL CODE TREAS-HR 4 WATERWAY SQUARE STE 100 THE WOODLANDS TX 77380 NEWLIN CAPITAL PARTNERS NEWLIN 2200 ELM STREET MORGAN CITY LA 70380 NEWLIN RENTALS-REPAIR & SUPPLIES INC 2200 ELM STREET MORGAN CITY LA 70380 NEWPARK DRILLING FLUIDS, NEWPARK DRILLING FLUIDS LLC LLC PO BOX 83116 BATON ROUGE LA 70884-3116 NEWPARK ENVIRONMENTAL SERVICES, LLC PO BOX 62600 DEPT 1089 NEW ORLEANS LA 70162-2600 NEXEN PETROLEUM OFFSHORE 801 7TH AVENUE S.W. CALGARY AB T2P 3P7 CANADA NEXEN PETROLEUM OFFSHORE, USA, INC PO BOX 844185 DALLAS TX 75284

NGP CAPITAL RESOURCES CO 909 FANNIN STE 3800 HOUSTON TX 77010 NGP CAPITAL RESOURCES COMPANY 1221 MCKINNEY STE 2975 HOUSTON TX 77010 NIPPON OIL EXPLORATION USA LIMITED ATTN MR CHARLES SCHOLZ 5847 SAN FELIPE STE 2800 HOUSTON TX 77057 NOEX ENERGY, INC 5847 SAN FELIPE STE 2800 HOUSTON TX 77057 NOMURA WATERSTONE MARKET NEUTRAL FD 89 NEXUS WAY, CAMANA BAY GRAND CAYMAN KY1-9007 KY NOMURA WATERSTONE MARKET NEUTRAL FUND 2 CARLSON PARKWAY SUITE 260 PLYMOUTH MN 55447 NONDESTRUCTIVE & VISUAL INSPECTION 901 OAK STREET HOUMA LA 70363 NONDESTRUCTIVE & VISUAL INSPECTION LLC PO BOX 1690 GRAY LA 70359 NORTH AMERICAN MARINE NORTH AMERICAN MARINE TRANSPORTATION LLC TRANSPORTATION LL 2442-NW MARKET ST SEATTLE WA 98107 NORWEGIAN HULL CLUB GJENSIDIG ASSURANSEFORINGEN NORWEGIAN HULL CLUB P.O. BOX 75 SENTRUM BERGEN NO-5803 NORWAY NOVAE SYNDICATES LIMITED 71 FENCHURCH STREET LONDON EC3M 4HH UNITED KINGDOM NSI UPSTREAM 108 KOL DRIVE BROUSSARD LA 77027-9726 NUTEC, INC. 4800 HWY 90 E LAKE CHARLES LA 70615 OAR, INC P O BOX 2626 LAFAYETTE LA 70502-2626 OBRIENS RESPONSE MANAGEMENT INC. BOX 2591 PO BOX 8500 PHILADELPHIA PA 19178-2591 OCEAN ENERGY INC PO BOX 4971 HOUSTON TX 77210-4971

OCEAN FLOW INTERNATIONAL 2100 WEST LOOP S # 500 HOUSTON TX 77027 OCEAN FLOW INTERNATIONAL LLC 2100 W. LOOP S STE 500 HOUSTON TX 77027-3518 OCEAN MARINE CONSULTING LLC PO BOX 2972 MORGAN CITY LA 70381 OCEAN STAR GALA SANDY CAZEMIER 7941 KATY FREEWAY PBM 150 HOUSTON TX 77024 OCEANEERING INTERNATIONAL, INC. C/O CITIBANK, N.A. P. O. BOX 7247-8051 PHILADELPHIA PA 19170-8051 OCEANEERING INTERNATIONAL, INC. P. O. BOX 7247-8051 PHILADELPHIA PA 19170-8051 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 36 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 49 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country OCEANWEATHER INC 5 RIVER ROAD SUITE 1 COS COB CT 06807-0000 OCP INVESTMENT TRUST 161 BAY STREET 49TH FLOOR TORONTO ON M5J 2S1 CANADA OCP INVESTMENT TRUST 161 BAY STREET TORONTO ON M5J 2N7 CANADA ODYSSEA MARINE INC. DEPT 240 PO BOX 4869 HOUSTON TX 77210-4869 OFFICE OF NATURAL RESOURCES REVENUE PO BOX 25627 DENVER CO 80225-0627

OFFICE OF NATURAL RESOURCES REVENUE (ONRR) PO BOX 25627 DENVER CO 80225-0627 OFFICE OF NATURAL RESOURCES USE 1330 PO BOX 25627 DENVER CO 80225 OFFSHORE CLEANING SYSTEMS, LLC 2803 MOMENTUM PLACE CHICAGO IL 60689-5328 OFFSHORE DIVING AND SALVAGE, INC. 15375 VANTAGE PARKWAY E HOUSTON TX 77032 200 N. DAIRY ASHFORD SUITE OFFSHORE ENERGY CENTER 6220 HOUSTON TX 77079 OFFSHORE ENERGY CENTER SANDY CAZEMIER/OCEAN STAR GALA 7941 KATY FREEWAY, PMB 150 HOUSTON TX 77024 OFFSHORE ENERGY SERVICES INC PO BOX 53508 LAFAYETTE LA 70505 OFFSHORE ENERGY OFFSHORE ENERGY SERVICES SERVICES, INC. INC PO BOX 53508 LAFAYETTE LA 70505 OFFSHORE EQUIPMENT SOLUTIONS PO BOX 62600 DEPARTMENT 1421 NEW ORLEANS LA 70160-2600 OFFSHORE LIFTBOATS, LLC PO BOX 398 CUT OFF LA 70345 OFFSHORE MARINE CONTRACTORS LIMITED MICHAEL OR RAIMY EYMARD 133 WEST 113TH ST CUT OFF LA 70345 OFFSHORE MARINE CONTRACTORS, INC. 133 WEST 113TH STREET CUT OFF LA 70345 OFFSHORE OIL SCOUTS MARIA THOMPSON OR ASSOCIATION PATRICIA BRAN 2200 VETERANS BLVD SUITE 214 KENNER LA 70062 OFFSHORE OIL SCOUTS 2800 VETERANS MEMORIAL ASSOCIATION INC BOULEVARD STE 350 METAIRIE LA 70002 OFFSHORE OPERATORS COMMITTEE ONE LAKEWAY BUILDING 3900 N. CAUSEWAY BLVD. STE 700 METAIRIE LA 70002 OFFSHORE OPERATORS OFFSHORE OPERATORS 3900 N. CAUSEWAY BLVD., STE COMMITTEE (OOC) COMMITTEE ONE LAKEWAY BUILDING 700 METAIRIE LA 70002 OFFSHORE QUALITY GROUP, INC. 14027 MEMORIAL DR. # 418 HOUSTON TX 77079 OFFSHORE RENTAL CORP. P. O. BOX 790 BEAUMONT TX 77704-0790 OFFSHORE RESOURCES, LLC OFFSHORE SERVICE VESSELS, LLC 16201 EAST MAIN STREET CUT OFF LA 70345 OFFSHORE SHELF LLC PO BOX 4346 DEPT 611 HOUSTON TX 77210-4346 OFFSHORE SPECIALTY MURPHY BOURKE OR BRIAN FABRICATORS KERN 115 MENARD ROAD HOUMA LA 70363 OFFSHORE SUPPLIERS, LLC PO BOX 821 METAIRIE LA 70004-0821 OFFSHORE TECHNICAL COMPLIANCE LLC 414 N. CAUSEWAY BLVD STE A MANDEVILLE LA 70448 OFFSHORE TOWING, INC. P. O. BOX 1463 LAROSE LA 70373 OFIS COMMUNICATIONS LP 7110 OLD KATY RD. STE 200 HOUSTON TX 77024 OFS, INC. PO DRAWER 1390 HARVEY LA 70059 RICK RICHARDSON, BRIAN DAVIS, PAUL DILL, DAN OIL & GAS EVALUATIONS & MATHIS, CHARLIE WINSTON & 6300 WEST LOOP SOUTH, CONSULTING DARRYL SHORT SUITE 290 BELLAIRE TX 77401 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 37 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 50 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country OIL & GAS EVALUATIONS & CONSULTING, LLC 6300 WEST LOOP SOUTH SUITE 290 BELLAIRE TX 77401 OIL AND GAS JOURNAL P. O. BOX 2002 TULSA OK 74101 OIL CASUALTY INSURANCE OIL CASUALTY INSURANCE, LIMITED (OCIL) LTD. 3 BERMUDIANA ROAD HAMILTON HM 08 BERMUDA OIL DISTRIBUTION SERVICES P. O. BOX 7247-6206 PHILADELPHIA PA 19170-6206 OIL MOP LLC 131 KEATING DRIVE BELLE CHASSE LA 70037 OIL STATES ENERGY SERVICES, LLC PO BOX 203567 DALLAS TX 75320-3567 OIL STATES INTERNATIONAL, INC. OIL STATES INDUSTRIES PO BOX 200149 DALLAS TX 75320-0149 OIL STATES SKAGIT SMATCO, LLC OIL STATES SKAGIT SMATCO PO BOX 54983 NEW ORLEANS LA 70154-4983 OILFIELD INSTRUMENTATION P. O. BOX 51902 LAFAYETTE LA 70505 OILFIELD PRODUCTION OILFIELD PRODUCTION CONSULTANTS (OPC) LLC CONSULTANTS (OPC) L 11200 WESTHEIMER RD STE 900 HOUSTON TX 77042 OMEGA NATCHIQ PO BOX 203320 DALLAS TX 75320-3320 OMEGA NATCHIQ, INC. OMEGA NATCHIQ PO BOX 203320 DALLAS TX 75320-3320 OMEGA UNDERWRITING NEW LONDON HOUSE, 5TH AGENTS LIMITED FLOOR 6 LONDON STREET LONDON EC3R 7LP UNITED KINGDOM OMEGA WASTE MANAGEMENT INC P. O. BOX 1377 PATTERSON LA 70392 ONEBANE LAW FIRM PO BOX 3507 LAFAYETTE LA 70502-3507 1200 CAMELLIA BOULEVARD ONEBANE LAW FIRM ATTN THOMAS G. SMART SUITE 300 LAFAYETTE LAFAYETTE LA 70508 Onebane Law Firm Mary Warren Hendershot Onebane Law Firm Post Office Box 3507 Lafayette LA 70502-3507 ONEX DEBT OPPORTUNITY FUND LTD 910 SYLVAN AVE ENGLEWOOD CLIFFS NJ 07632 ONEX DEBT OPPORTUNITY FUND LTD 910 SYLVAN AVE SUITE 100 ENGLEWOOD CLIFFS NJ 07632 OPEX ENERGY, LLC 11104 W AIRPORT, STE 160 STAFFORD TX 77477 777 E SONTERRA BLVD, STE OPEX ENERGY, LLC C/O TXCO RESOURCES INC 350 SAN ANTONIO TX 78258 OPPENHEIMER FUNDS 2 WORLD FINANCIAL CTR 225 LIBERTY ST NEW YORK NY 10080 OPPENHEIMER FUNDS 2 WORLD FINANCIAL CENTER 225 LIBERTY ST. NEW YORK NY 10281-1008 OPPENHEIMER MASTER LOAN FUND LLC 1209 ORANGE ST WILMINGTON DE 19801 OPPENHEIMER SENIOR FLOATING RATE FUND 6803 S TUCSON WAY CENTENNIAL CO 80112-3924 OPPORTUNE 711 LOUISIANA STE 1700 HOUSTON TX 77002 OPTIMIZED SYSTEMS & SOLUTIONS, INC. PO BOX 420 INDIANAPOLIS IN 46206 ORACLE AMERICA, INC. PO BOX 203448 DALLAS TX 75320-3448 ORACLE CREDIT CORPORATION PO BOX 405874 ATLANTA GA 30384-5874 ORACLE CREDIT CORPORATION BANC OF AMERICA LEASING PO BOX 405874 ATLANTA GA 30384-5874 ORBIS ENGINEERING 730 SEVENTEENTH ST SUITE 700 DENVER CO 80202-3580 ORLANDO FIGUEROA ORTCO CONTRACTORS, INC. 320 E LOCKWOOD ST COVINGTON LA 70433-2914

OSCA (OCCUPATIONAL SAFETY COUNCILS OF AMERICA) 455 E CARSON PLAZA DR CARSON CA 90746 OSLER, HOSKIN & HARCOURT LLP 1 FIRST CANADIAN PO BOX 50 TORONTO ON M5X 1B8 CANADA OSLER, HOSKIN & HARCOURT SUITE 2500, TRANSCANADA LLP ATTN ROBERT LEHODEY TOWER 450 - 1ST STREET S.W. CALGARY CALGARY AB T2P 5H1 CANADA In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 38 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 51 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country P J ENOCHSON 1511 COLONY DR IRVING TX 75061 P2 ENERGY SOLUTIONS DEPT 2365 P. O. BOX 122365 DALLAS TX 75312-2365 PAIGE COMPANY CONTAINERS, PO BOX 443 1 PAUL KOHNER INC. PLACE 1 PAUL KOHNER PLACE ELMWOOD PARK NJ 07407-0000 PALEO DATA 6619 FLEUR DE LIS DRIVE NEW ORLEANS LA 70124-1499 PALOMA ENERGY CONSULTANTS 14405 BROWN RD TOMBALL TX 77377-3952 PALOMA ENERGY PALOMA ENERGY CONSULTANTS LP CONSULTANTS 14405 BROWN RD TOMBALL TX 77377-3952 PANTHER PIPELINE LTD HIPS OPERATING 14405 WALTERS RD STE 960 HOUSTON TX 77014 PAR MARINE SERVICES MI 36 PO BOX 9201 MINNEAPOLIS MN 55480-9201 PARAGON INTEGRITY SOLUTIONS, LLC P. O. BOX 273274 HOUSTON TX 77277-3274 PARISH OF ST MARY DAVID A NAQUIN, SHERIFF PO BOX 610 PATTERSON LA 70392-0610

PARKER CONSTRUCTION 320 NARRAGANSETT PARK DR EAST PROVIDENCE RI 02916 PARKER HANNIFIN 62120 COLLECTION CENTER CORPORATION DRIVE CHICAGO IL 60693 PARTNER RE IRELAND THE OVAL, 5TH FLOOR, BLOCK INSURANCE LTD 1 160 SHELBOURNE ROAD DUBLIN 4 IRELAND PAT S CHARNVEJA PO BOX 681277 HOUSTON TX 77268-1277 PATRICIA SCHMIDT PATRIOT GROUP LTD. 5000 TERMINAL STREET BELLAIRE TX 77401-6007 PATTERSON RENTAL TOOLS 15015 VICKERY DR HOUSTON TX 77032 PATTERSON SERVICES INC PO BOX 200522 HOUSTON TX 77216 1801 STREET PATTON BOGGS LLP ATTN MR. ROBERT P. THIBAULT SUITE 4900 DENVER CO 80202 PATTON BOGGS LLP ATTN PHILIP A. BANGERT 2550 M STREET, NW WASHINGTON WASHINGTON DC 20037 PAUL J ENOCHSON & EVELYN M ENOCHSON TRUSTEES 1511 COLONY DR IRVING TX 75061 PAUL M. OEN 2220 10TH AVE HAVRE MT 59501 PAULS AGENCY, LLC PO BOX 1680 MORGAN CITY LA 70381 PCAOB PO BOX 418631 BOSTON MA 02241-8631 PCAOB (PUBLIC COMPANY ACCOUNTING OVERSIGHT BOARD) PCAOB PO BOX 418631 BOSTON MA 02241-8631 PEGASUS INTERNATIONAL, INC. DEPT 818 PO BOX 4346 HOUSTON TX 77210-4346 PENN ENGINEERING, INC. 624 LILAC ORANGE TX 77630 PENNWELL CORPORATION 21428 NETWORK PLACE CHICAGO IL 60673-1214 PENTAGON PUBLISHING, INC PO BOX 451403 ATLANTA GA 31145 PERF-O-LOG 101 BOLTON AVE LAFAYETTE LA 70508-3301 PERFORMANCE ENERGY SERVICES PO BOX 7096 HOUMA LA 70361 PERFORMANCE ENERGY PERFORMANCE ENERGY SERVICES, L.L.C. SERVICES PO BOX 7096 HOUMA LA 70361 1900 SIXTEENTH STREET, PERKINS COIE LLP ATTN ROBERT P. THIBAULT SUITE 1400 DENVER DENVER CO 80202-5255 PES (PROFESSIONAL EXAMINATION SERVICE) 475 RIVERSIDE DR NEW YORK NY 10115 Peter Riopel Trustmont Advisory GRP Inc 135 B King St. Larkspur CA 94939 PETEX, INC. 108 KOL DRIVE BROUSSARD LA 70518 PETRO AMIGOS SUPPLY, INC. PO BOX 957554 ST. LOUIS MO 63195-7554 PETRO ENERGY GROUP 12777 JONES RD STE 385 HOUSTON TX 77070-4525 PETRO LOG INTERNATIONAL, ONE SUGAR CREEK CENTER INC. BLVD. STE 945 SUGAR LAND TX 77478

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 39 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 52 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country PETRO TOOLS & SUPPLY CO., INC. 4821 HWY 182 HOUMA LA 70364 PETROBRAS AMERICA INC 10777 WESTHEIMER RD STE 1200 HOUSTON TX 77042 PETRO-CHEM EQUIPMENT 4338 JEFFERY DRIVE BATON ROUGE LA 70816 PETROFINA DELAWARE INC PO BOX 200669 HOUSTON TX 77216-0669 PETROLEUM ACCOUNTANTS SOCIETY PO BOX 3005 HOUSTON TX 77253 PETROLEUM ACCOUNTANTS SOCIETY OF HOUSTO N P. O. BOX 3005 HOUSTON TX 77253 PETROLEUM ENGINEERS INTERNATIONAL, INC. 110 CAPITOL DR LAFAYETTE LA 70508 PETROLEUM ENGINEERS, INC 500 DOVER BLVD NO 310 LAFAYETTE LA 70503-5015

PETROLEUM ENGINEERS, INC. PO BOX 3856 DEPT 461 HOUSTON TX 77253-3856 757 NORTH ELDRIDGE PETROLEUM EXPERTS, INC. PARKWAY STE 510 HOUSTON TX 77079 PETROLEUM INSTITUTE FOR UNIT 201 1228 KENSINGTON CONTINUING ED. RD. NW CALGARY AB T2N 3P7 CANADA PETROLEUM INSTITUTE FOR CONTINUING EDUCATION PETROLEUM INSTITUTE FOR (PEICE) CONTINUING ED. UNIT 201 1228 KENSINGTON RD. NW CALGARY AB T2N 3P7 CANADA PETROLEUM SOLUTIONS PETROLEUM SOLUTIONS, INC. INTERNATIONAL LLC P.O. BOX 52285 LAFAYETTE LA 70505-2285 PETRO-MARINE UNDERWRITERS INC 225 BARONNE ST NEW ORLEANS LA 70112 PETRO-MARINE UNDERWRITERS, INC. 85 SOUTH WREN STREET NEW ORLEANS LA 70124 PETRON INDUSTRIES, INC. 7701 WEST LITTLE YORK RD SUITE 800 HOUSTON TX 77040 PETROQUIP ENERGY SERVICES, LP PO BOX 203938 HOUSTON TX 77216-3938 PETROVAL INC 2351 DUNSTAN RD HOUSTON TX 77005-2651 3861 AMBASSADOR CAFFERY PETSEC ENERGY INC PARKWAY STE 500 LAFAYETTE LA 70503 PGS AMERICAS, INC. LYSAKER NORWAY ATTN ROBERT E JOHNSON II, PGS CAPITAL, INC FIN CONTR 15150 MEMORIAL DR HOUSTON TX 77079 PHOENIX INTERNATIONAL BLDG 497 NAVAL BASE HOLDINGS, INC. DEEP SUBMERGENCE UNIT CORONADO SAN DIEGO CA 92135-7049 PICUS PETROLEUM 2711 CENTERVILLE RD NO 400 WILMINGTON DE 19808 PING AN PROPERTY & PING AN PROPERTY & CASUALTY INSURANCE CASUALTY INSURANCE COMPANY OF CHINA, LTD. COMPANY OF CHINA LTD. 5/F PINGAN MANSION BAGUASHAN ROAD SHENZEN 518029 CHINA 2449 SOUTH BOULEVARD STE PINK RIBBONS PROJECT 100 HOUSTON TX 77098

PINNACLE ENGINEERING, INC. 7660 WOODWAY SUITE 470 HOUSTON TX 77063 PIONEER NATURAL 5205 N OCONNOR BLVD SUITE RESOURCES USA INC 200 IRVING TX 75039 PIONEER NATURAL 2777 ALLEN PARKWAY SUITE RESOURCES USA INC C/O MCCOLLAM LAW FIRM ANDREW MCCOLLAM III 977 HOUSTON TX 77019 PIPELINE SERVICES INTERNATIONAL, LLC 3430 S SAM HOUSTON PKWY E STE 100 HOUSTON TX 77047 PLAINS MARKETING, L. P. PO BOX 4346 DEPT 327 HOUSTON TX 77210-4346 PLAQUEMINES PARISH PLANNING & ZONING COUNCIL PERMITS DEPARTMENT 102 AVENUE G, SUITE C BELLE CHASSE LA 70037 PLAQUEMINES PARISH COUNCIL PERMITS, PLANNING DEPARTMENT 102 AVENUE G, & ZONING SUITE C BELLE CHASSE LA 70037 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 40 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 53 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country PLATFORM MARINE INDUSTRIES, INC. 3431 FM 1685 VICTORIA TX 77905 PLATT W. DAVIS III TRUST PLATT W. DAVIS III TRUSTEE 7500 SAN FELIPE STE 600 HOUSTON TX 77063 PLATTS PO BOX 848093 DALLAS TX 75284-8093 C/O PLAINS EXPLORATION & POGO PRODUCING COMPANY PRODUCING CO ATTN TREASURY DEPARTMENT 700 MILAM STE 3100 HOUSTON TX 77002 POGO PRODUCING COMPANY USE NO 2254 DO NOT USE NO 1389 5 GREENWAY PLZ STE 2700 HOUSTON TX 77046-0504 Point Eight Power 1510 Engineers Road Belle Chasse LA 70037 POINT EIGHT POWER, INC. DEPT AT 952446 ATLANTA GA 31192-2446 Point Eight Power, Inc. P.O. Box 1850 Gretna LA 70054 Point Eight Power, Inc. Point Eight Power 1510 Engineers Road Belle Chasse LA 70037 Point Eight Power, Inc. POINT EIGHT POWER, INC. DEPT AT 952446 ATLANTA GA 31192-2446 PORE PRESSURE CONSULTANT CHRISTIAN CLARK 2031 BUFFALO TERRACE HOUSTON TX 77019 PORE PRESSURE CONSULTANTS LLC 801 ARLINGTON HOUSTON TX 77007 PORTABLE MACHINE WORKS PO BOX 3032 PRAIRIEVILLE LA 70769 PORTABLE MACHINE WORKS, INC. PORTABLE MACHINE WORKS PO BOX 3032 PRAIRIEVILLE LA 70769 PORTER & HEDGES, L. L. P. P. O. BOX 841184 DALLAS TX 75284-1184 PORTER & HEDGES, L. L.C. P. O. BOX 841184 POWER CLEANING SOLUTIONS 4843 NW EVANGELINE L. L. C THRUWAY CARENCRO LA 70520 POWER CLEANING SOLUTIONS L. L. C. PO BOX 1349 BROUSSARD LA 70518

POWER PERFORMANCE, INC. POWER OFFSHORE SERVICES P. O. BOX 1717 HARVEY LA 70059 POWERHOUSE, INC. 130 N. BERNARD BROUSSARD LA 70518 PPI TECHNOLOGY SERVICES, L.P. 800 GESSNER STE 900 HOUSTON TX 77024 PRAXAIR SURFACE TECHNOLOGIES, INC. PO BOX 100424 ATLANTA GA 30384-0424 PRAXAIR SURFACE PRAXAIR SURFACE TECHNOLOGY TECHNOLOGIES, INC. PO BOX 100424 ATLANTA GA 30384-0424 PRECISION DIRECTIONAL SERVICES 800, 525-8TH AVE SW CALGARY AB T2P 1G1 CANADA PRECISION DIRECTIONAL SERVICES, INC. DEPT. 2225 P. O. BOX 122225 DALLAS TX 75312-2225 PRECISION POWERED PRECISION ENERGY PRODUCTS SERVICES, INC. P. O. BOX 200698 DALLAS TX 75320-0698 PRECISION POWERED PRODUCTS, INC. 12227 FM 529 #C HOUSTON TX 77041

PRECISION TOOLS & MACHINE P. O. BOX 5967 DREW STATION LAKE CHARLES LA 70606 PREMIER CHEMICAL TECHNOLOGIES 109 RIDONA ST LAFAYETTE LA 70508-3504 PREMIER CHEMICAL TECHNOLOGIES LLC PO BOX 90710 LAFAYETTE LA 70509

PREMIERE GLOBAL SERVICES P.O. BOX 404351 ATLANTA GA 30384-4351 PRENT H KALLENBERGER 407 OAKLEAF DR LAFEYETTE LA 70503 PRESIDIO NETWORKED SOLUTIONS PO BOX 822169 PHILADELPHIA PA 19182-2169 PRESSURE CONTROL SPECIALISTS 4008 3RD ST NEW IBERIA LA 70560

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 41 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 54 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country PRESSURE CONTROL SPECIALTIES, LLC PO BOX 80008 LAFAYETTE LA 70598-0008 PRICEWATERHOUSECOOPERS LLP P.O. BOX 952282 DALLAS TX 75395-2282 PRIME CAPITAL MASTER SPC, GOT WAT MAC SEGREGATED UGLAND HOUSE, SOUTH PORTFOLIO CHURCH STREET GRAND CAYMAN KY1-1104 KY PRIME CAPITAL MASTER SPC, GOT WAT MAC SEGREGATED PORTFOLIO PRIME RATE PREMIUM FINANCE CORP. INC. PO BOX 580016 CHARLOTTE NC 28258-0016 PRIME TANK, LLC 1253 PETROLEUM PKWY. BROUSSARD LA 70518 PRO STAR P. O. BOX 110209 CARROLLTON TX 75011-0209 PROCESS PIPING MATERIALS, INC. PO BOX 1167 YOUNGSVILLE LA 70592 PROCESS SYSTEMS CAMERON SOLUTIONS, INC. PO BOX 731413 DALLAS TX 75373-1413 PRODUCTION FILTER SALES, INC. P.O. BOX 148 136 BABBIE LANE ROAD CAMERON LA 70631 PRODUCTION FIRE AND SAFETY, LLC 19480 HWY 281 S SAN ANTONIO TX 78221 PRODUCTION MANAGEMENT INDUSTRIES, LLC DEPT 2208 P. O. BOX 122208 DALLAS TX 75312-2208 PRODUCTION MANAGEMENT INDUSTRIES, LLC P. O. BOX 122208 DALLAS TX 75312-2208 PRODUCTION WELL TESTERS, INC. PRODUCTION WELL TESTERS P. O. BOX 6305 LAUREL MS 39441 PRODUCTION WIRELINE & CASED HOLE SERVICES GROUP, LLC 110 THRU-WAY PARK RD. BROUSSARD LA 70518 PRODUCTION WIRELINE AND CASE HOLE SVCS G 1200 ENCLAVE PKWY, MD 417 HOUSTON TX 77077 PRODUCTION WIRELINE AND CASED HOLE SERVICES PRODUCTION WIRELINE AND GROUP CASE HOLE SVCS 1200 ENCLAVE PKWY, MD 417 HOUSTON TX 77077 PROFESSIONAL LIFE & CASUALTY 20 N WACKER DR SUITE 3110 CHICAGO IL 60606 PROFESSIONAL WIRELINE RENTALS LC 1016 N CRUSE AVE BROUSSARD LA 70518 PROFESSIONAL WIRELINE PROFESSIONAL WIRELINE RENTALS LLC RENTALS LC 1016 N CRUSE AVE BROUSSARD LA 70518 PROLOGIC 10200 GROGANS MILL # 175 THE WOODLANDS TX 77380 13105 NORTHWEST FREEWAY PROSERV OFFSHORE STE 250 HOUSTON TX 77040

PROSERV OFFSHORE, INC. PROSERV OFFSHORE 13105 NORTHWEST FREEWAY STE 250 HOUSTON TX 77040 PRO-T COMPANY, INC. P. O. BOX 295 BROUSSARD LA 70518 PRUET OFFSHORE 350 N ST PAUL ST STE 2900 DALLAS TX 75201 PSC INDUSTRIAL OUTSOURCING, LP PO BOX 3070 HOUSTON TX 77253-3070 PSI MIDSTREAM 1200 SMITH STREET STE 600 HOUSTON TX 77002 16000 BARKERS POINT LN NO PULSE STRUCTURAL MONITOR 120 HOUSTON TX 77079 PULSE STRUCTURAL 16000 BAKERS POINT LANE MONITORING STE 120 HOUSTON TX 77079 2141 ROSECRANS AVE STE PURE RESOURCES, LP C O UNOCAL CORPORATION 4000 EL SEGUNDO CA 90245 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 42 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 55 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country PUTNAM INVESTMENT MANAGEMENT 30 DAN RD CANTON MA 02021 PUTNAM INVESTMENT MANAGEMENT PO BOX 8383 BOSTON MA 02266-8383 C/O PERELLA WEINBERG PWP ABV ENERGY I LLC PARTNERS 767 FIFTH AVENUE NEW YORK NY 10153 PERELLA WEINBERG PWP ABV ENERGY I LLC PARTNERS ATTN CHAU HUA/JASON NAGY 767 FIFTH AVENUE NEW YORK NY 10153 PWP ABV ENERGY I LLC JAN 5 PERELLA WEINBERG 2010 CLOSING ATTN CHAU HUA JASON NAGY PARTNERS 767 FIFTH AVE NEW YORK NY 10153 C/O PERELLA WEINBERG PARTNERS CAPITAL PWP ABV ENERGY II LLC MANAGEMENT LP 767 FIFTH AVENUE NEW YORK NY 10153 PERELLA WEINBERG PWP ABV ENERGY LL LLC PARTNERS ATTN CHAU HUA/JASON NAGY 767 FIFTH AVENUE NEW YORK NY 10153 PYRAMIS 900 SALEM ST SMITHFIELD RI 02917 PYRAMIS FLOATING RATE HIGH INCOME COMMINGLED POOL- PYFLRHIN PYRAMIS FLOATING RATE HIGH INCOME COMMINGLED POOL- PYFLRHIN 82 DEVONSHIRE STREET BOSTON MA 02109 PYRAMIS GLOBAL ADVISORS 900 SALEM ST SMITHFIELD RI 02917 QBE UNDERWRITING LIMITED PLANTATION PLACE 30 FENCHURCH STREET LONDON EC3M 3BD UNITED KINGDOM QUAIL TOOLS, INC. 3713 HWY 14 NEW IBERIA LA 70560 QUAIL TOOLS, L. L. P. P. O. BOX 10739 NEW IBERIA LA 70562-0739 QUALITY CABLE INSTALLERS 11152 WESTHEIMER STE 155 HOUSTON TX 77042 QUALITY CONSTRUCTION & PRODUCTION, LLC PO BOX 3307 LAFAYETTE LA 70502 QUALITY ENERGY SERVICES, QUALITY CONSTRUCTION & INC. PRODUCTION, LLC PO BOX 3307 LAFAYETTE LA 70502 QUALITY ENERGY SERVICES, LLC P. O. BOX 3190 HOUMA LA 70361 QUALITY PREHEAT & PRESSURE WASHERS 56620 BERHMAN ROAD SLIDELL LA 70458 QUALITY RENTAL TOOLS, INC. PO BOX 2218 HOUMA LA 70361 QUATES CONSULTING LLC 26419 N. MEMORY MAGNOLIA TX 77355 QUEST CONSULTING INC. 4747 BELLAIRE STE 310 BELLAIRE BELLAIRE TX 77401 QUEST CONSULTING, INC. 4747 BELLAIRE STE 310 BELLAIRE TX 77401 R AND D ENTERPRISES PO BOX 9098 METAIRIE LA 70055 R J GARDNER 30 NASSAU DR METAIRIE LA 70005 R M CROUT 1615 POYDRAS, 5TH FLOOR NEW ORLEANS LA 70112 R R LONDOT PO BOX 1570 FOLSOM LA 70437 R.E.M. SOLUTIONS INC 16290 KATY FREEWAY SUITE 150 HOUSTON TX 77094 R360 ENVIRONMENTAL SOLUTIONS INC. PO BOX 671766 DALLAS TX 75267-1766 RALPH A STONE 2654 WESTGATE ST HOUSTON TX 77098 C/O WELLSTREAM RAMON PEREZ TRUST INTERNATIONAL LTD 11210 EQUITY DRIVE STE 350 HOUSTON TX 77041 RANDALL S RIEPE C/O FOSTER & ASSOCIATES 675 BERING DR , STE 800 HOUSTON TX 77057 RANDY E JUDD 18 WISHBONE BUSH RD THE WOODLANDS TX 77380-1530 RANGE RESOURCES CORPORATION 100 THROCKMORTON ST STE 1200 FT WORTH TX 76102 RANGER OFFSHORE, INC PO BOX 4894 HOUSTON TX 77210-4894

RANGER SPECIALTY & SUPPLY P. O. BOX 1289 BROUSSARD LA 70518 RAYMOND GEORGE 5359 AUBREY DRIVE BELL CITY LA 70630 RC LOGISTICS LLC PO BOX 160 LAROSE LA 70373 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 43 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 56 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country RCG INFORMATION P.O. BOX 4516, CHURCH ST. TECHNOLOGY, INC. STATION NEW YORK NY 10261-4516 RCI CONSULTANTS, INC. 17314 HIGHWAY 249 STE. 350 HOUSTON TX 77064 RCPS, INC. 11115 MILLS RD. STE. 119 CYPRESS TX 77429 REC MARINE LOGISTICS PO BOX 774 GALLIANO LA 70354 RECALL TOTAL INFORMATION MGT INC P. O. BOX 841693 DALLAS TX 75284-1693 RED TEAM SAFETY LTD 12621 S. BEAVER CREEK CT PARKER CO 80134 REDDING 816 FURMAN CORPUS CHRISTI TX 78404 REDFISH RENTAL, INC 696 A. O. RAPPELET RD GOLDEN MEADOW LA 70357 REECH LAWFIRM LLC 812 NORTH RANGE AVENUE DENHAM SPRINGS LA 70726

REED & SCARDINO LLP 301 CONGRESS AVE STE 1250 AUSTIN TX 78701 REEL PIPE, L.L.C. PO BOX 310 GALLIANO LA 70354-0310 REGIONS INSURANCE 422 E. COLLEGE STREET LAKE CHARLES LA 70605 RELIANT ENERGY P. O. BOX 650475 DALLAS TX 75265-0475 RELIANT ENERGY SERVICES ATTN GAS ACCOUNTING PO BOX 4455 HOUSTON TX 77210 REMINGTON OIL & GAS C/O ENERGY RESOURCE CORPORATION TECHNOLOGY, INC PO BOX 4346 DEPT. 354 HOUSTON TX 77210-4346

RESEARCH DATA GROUP, INC. PO BOX 883213 SAN FRANCISCO CA 94188-3213 REVENUE ESTIMATE RICARDO RAMIREZ DE ARELLANO 46 LYRIC ARBOR CIRCLE THE WOODLANDS TX 77381 RICE FOUNDATION 8600 GROSS POINT RD SKOKIE IL 60077-2151 RICHARD SCHMIDT RICHARD STEVENSON RIDGEWOOD ENERGY CORPORATION 1254 ENCLAVE PARKWAY STE 600 HOUSTON TX 77077 RIEPE FAMILY FOUNDATION PO BOX 22380 HOUSTON TX 77227-2380 1880 S DAIRY ASHFORD SUITE RIG NET INC 300 HOUSTON TX 77077 RISKED REVENUE ENERGY ASSOCIATES 2111 DRISCOLL ST. HOUSTON TX 77019 RITA A COTTRELL 2936 ELM ST, STE E DALLAS TX 75226-3351 RIVER RENTAL TOOLS INC 109 DERRICK ROAD BELLE CHASSE LA 70037 RIVERBEND ENERGY PARTNERS, LP 1221 MCKINNEY ST STE 2100 HOUSTON TX 77010-2020 RJ KILN & CO. LIMITED 106 FENCHURCH STREET LONDON EC3M 5NR UNITED KINGDOM RLI INSURANCE COMPANY 8 GREENWAY PLAZA SUITE 400 HOUSTON TX 77046-0899

RMC TECHNOLOGY LLC 2420 N. WOODLAWN BLDG 500 WICHITA KS 67220 ROBERT A. KLEIN ROBERT A. SCHROEDER, INC. PO BOX 681 MANDEVILLE LA 70470-0681 ROBERT C. WYNN PO BOX 396 PORTLAND TX 78374 ROBERT HADDEN ROBERT HADDEN ROBERT C. WYNN PO BOX 396 PORTLAND TX 78374 ROBERT J. KAROW 7008 SOUTH WEST 30TH WAY GAINESVILLE FL 32608 ROBERT W KELSEY 5464 FIELDWOOD DR HOUSTON TX 77056 ROCKWELL COLLINS INC. DEPT. 0875 PO BOX 120875 DALLAS TX 75312-0875 ROCKY RODEN 4927 CR 2161 CENTERVILLE TX 75833 ROCLAN SERVICES, INC. P. O. BOX 5475 SLIDELL LA 70469 RODNEY L COTTRELL 43 HOLLYMEAD DR WOODLANDS TX 77381 Ron Martens 4908 - 97 St.NW Edmonton AB T6E 5S1 Canada ROOSTER PETROLEUM, LLC 16285 PARK TEN PLACE STE 120 STE 300 HOUSTON TX 77084 ROXAR ROYAL & SUN ALLIANCE INSURANCE PLC In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 44 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 57 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country ROYAL SERVICE & RENTALS, INC. DEPT AT 952645 ATLANTA GA 31192-2645

RR DONNELLEY RECEIVABLES P. O. BOX 730216 DALLAS TX 75373-0216 RUSSELL SCOTT MOREE 51 BROOM CLAN ROAD COLUMBIA MS 39429 RYDER SCOTT COMPANY 1100 LOUISIANA SUITE 3800 HOUSTON TX 77002 S&J DIVING, INC. S&J DIVING INC PO BOX 34413 HOUSTON TX 77234-4413

SACO ENERGY SERVICES, INC. 605 MORNINGSIDE DRIVE HOUMA LA 70360 SAFETY ENVIRONMENTAL & OPERATIONAL TRAINING PO BOX 60365 LAFAYETTE LA 70596-0365 SAFETY ENVIRONMENTAL & SAFETY ENVIRONMENTAL & OPERATIONAL TRAINING, INC OPERATIONAL PO BOX 60365 LAFAYETTE LA 70596-0365 SAFETY SYSTEM SERVICES 1452 ALISON DR GRENTA LA 70056 SAIA MOTOR FREIGHT LINES, INC. P. O. BOX 730532 DALLAS TX 75373-0532 SAIPEM AMERICA INC. PO BOX 940608 HOUSTON TX 77094 SALADIN PUMP & EQUIPMENT CO INC. 4510 W. CARDINAL DR. BEAUMONT TX 77705 SALADIN PUMP & EQUIPMENT CO. INC. PO BOX 21658 BEAUMONT TX 77720-1658 SALPEM AMERICA, INC. 15950 PARK ROW HOUSTON TX 77084 SAM BROUSSARD TRUCKING CO. P. O. BOX 11507 NEW IBERIA LA 70562-1507 SAM D WINEGRAD 4250 EAST PERRY PARKWAY GREENWOOD VILLAGE CO 80121 SAMEDAN OIL CORPORATION PO BOX 840747 DALLAS TX 75284 SANKATY ATP LLC ATTN KEVIN GALLAGHER JOHN HANCOCK TOWER 200 CLOARENDON ST BOSTON MA 02116

SANKATY ATP LLC C/O SANKATY ADVISORS, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116 SANKATY CREDIT OPPORTUNITIES IV LP ATTN KEVIN GALLAGHER JOHN HANCOCK TOWER 200 CLOARENDON ST BOSTON MA 02116 SANKATY CREDIT OPPORTUNITIES IV, LP C/O SANKATY ADVISORS, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116 SANKATY MANAGED ACCOUNT (UCAL), LP C/O SANKATY ADVISORS, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116 SANKATY MANAGED ACCOUNT UCAL LP C O SANKATY ADVISORS LLC ATTN KEVIN GALLAGHER JOHN HANCOCK TOWER 200 CLOARENDON ST BOSTON MA 02116 SARA B. GUERRA 1717 BISSONNET NO. 107 HOUSTON TX 77005

SAVE THE BLUE, INC. ATTN NEW MEMBERSHIP 11451 KATY FREEWAY STE 500 HOUSTON TX 77079 SCHEUERMANN & JONES ONE SHELL SQUARE 41ST FLOOR 701 POYDRAS ST NEW ORLEANS LA 70139 SCHLUMBERGER TECHNOLOGY CORP PO BOX 200058 HOUSTON TX 77216 SCHLUMBERGER TECHNOLOGY CORPORATION P. O. BOX 200898 HOUSTON TX 77216-0898 SCHLUMBERGER TECHNOLOGY CORPORATION PO BOX 201193 HOUSTON TX 77216-1193 SCHLUMBERGER TECHNOLOGY CORPORATION P. O. BOX 201556 HOUSTON TX 77216-1556 SCHLUMBERGER TECHNOLOGY CORPORATION P. O. BOX 203076 HOUSTON TX 77216-3076 SCHLUMBERGER TECHNOLOGY CORPORATION GEOQUEST P. O. BOX 203076 HOUSTON TX 77216-3076 SCHLUMBERGER TECHOLOGY CORPORATION PO BOX 201193 HOUSTON TX 77216-1193

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 45 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 58 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country SCHLUMBERGER WELL SERVICES PO BOX 201193 HOUSTON TX 77216

SCHUYLER MCGEE C/O BROUSSARD & DAVID LLC BLAKE R DAVID 600 JEFFERSON ST SUITE 700 LAFAYETTE LA 70502 SCOMI OILTOOLS, INC. P. O. BOX 973869 DALLAS TX 75397-3869 SCOPE LOGISTICAL SCOPE LOGISTICAL SPECIALIST, INC. SPECIALIST PO BOX 2305 MORGAN CITY LA 70380 SCOR UK COMPANY LTD 10 LIME STREET LONDON EC3M 7AA UNITED KINGDOM SCOTT LEE ARCHER 18925 COUNTY RD 330 NAVASOTA TX 77868 SEABOARD INTERNATIONAL, INC. SEABOARD P. O. BOX 8388 BAYTOWN TX 77522-8388 SEABOARD WELLHEAD, INC. P.O. BOX 3177 HOUSTON TX 77253-3177 SEACOR MARINE LLC 7910 MAIN ST 2ND FL HOUMA LA 70360 SEACOR MARINE, INC PO BOX 8500-6315 PHILADELPHIA PA 19178-6315 SEAGULL ENERGY E & P, INC FIRST CITY TOWER 1001 FANNIN ST, STE 1700 HOUSTON TX 77002 SEAL-TITE INTERNATIONAL 500 DEER CROSS DR. MADISONVILLE LA 70447 SEAMAR DIVERS, INC PO BOX 740976 HOUSTON TX 77274 SEAMAR FABRICATORS, LLC PO BOX 740976 HOUSTON TX 77274 SEANAV CORPORATION P. O. BOX 82237 LAFAYETTE LA 70598

SEANIC OCEAN SYSTEMS 7240 BRITTMOORE RD. STE 112 HOUSTON TX 77041 SEAQUEST DIVING, L.L.C. SEAQUEST DIVING LLC 6602 PETRO PARK DR HOUSTON TX 77041 SEATRAX, INC PO BOX 840687 HOUSTON TX 77284 SEATRAX, INC. 218 GUNTHER LANE BELLE CHASE LA 70037 SECON, INC. 825 KALISTE SALOOM ROAD LAFAYETTE LA 70508 SECORP INDUSTRIES P. O. BOX 687 RIDGELAND MS 39158-0687

SECRETARY OF THE INTERIOR

SECRETARY OF THE INTERIOR AND DEPARTMENT OF THE C/O DEPARTMENT OF JUSTICE, INTERIOR, WASHINGTON DC WASHINGTON DC SEISMIC MICRO - TECH USE# 8584 KATY FREEWAY, SUITE SEISMIC MICRO-TECHNOLOGY 1451 400 HOUSTON TX 77024 SEISMIC MICRO-TECHNOLOGY INC. DEPT 2327 PO BOX 122327 DALLAS TX 75312-2327 SEISMIC MICRO-TECHNOLOGY, INC. DEPT 2327 PO BOX 122327 HOUSTON TX 75312-2327 SEMPCHECK SERVICES PO BOX 273274 HOUSTON TX 77277 SENECA RESOURCES CORPORATION 1201 LOUISIANA, STE 400 HOUSTON TX 77002 SERMATECH INTERNATIONAL INC. PO BOX 100424 ATLANTA GA 30384-0424 SEVERN TRENT DE NORA TEXAS LLC DEPT. 0840 P. O. BOX 120840 DALLAS TX 75312-0840 SEVERN TRENT DE NORA TEXAS LLC DA 890840 DEPT. 0840 P. O. BOX 120840 DALLAS TX 75312-0840 SHAMROCK MANAGEMENT L.L.C. 4800 HWY 311 HOUMA LA 70360 SHAMROCK MANAGEMENT SHAMROCK EQUIPMENT L.L.C. RENTAL P. O. BOX 367 DEVERS TX 77538 SHAMROCK MANAGEMENT, LLC C/O GULF COAST BANK & TRUST CO. PO BOX 203047 HOUSTON TX 77216-3047 Shane Zoglman 7189 N US Highway 231 Jasper IN 47546 SHELDON I.S.D. - TAX OFFICE 11411 C.E. KING PARKWAY, S. RHODES TAX ASSESSOR-COLLECTOR SUITE A HOUSTON TX 77044-7192

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 46 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 59 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country SHELL ENERGY NORTH AMERICA (US), LP 909 FANNIN, PLAZA LEVEL 1 HOUSTON TX 77010 SHELL ENERGY NORTH SHELL ENERGY NORTH AMERICA, LLP AMERICA (US), L.P. 909 FANNIN, PLAZA LEVEL 1 HOUSTON TX 77010

SHELL MORGAN LANDING, INC. 25238 TEAL ROAD ABBEVILLE LA 70510 SHELL OFFSHORE PROPERTY & CAPITAL II, INC PO BOX 7247-6314 PHILADELPHIA PA 19170-6314 SHELL OFFSHORE, INC OIL & GAS REVENUE PO BOX 910545 ATTN STEVEN VOGT DALLAS TX 75391 SHELL PIPELINE CO LP P. O. BOX 7247-6203 PHILADELPHIA PA 19170-6203 SHELL PIPELINE CO. LP 777 WALKER ST. HOUSTON TX 77252-2648 SHELL TRADING (US) COMPANY ATTN KIMBERLY LEWIS 500 DALLAS, 32ND FLOOR HOUSTON TX 77002 SIBSTAR, INC 6522 17TH AVE BROOKLYN NY 11204 SIEMENS INDUSTRY INC. DEPT. CH 14149 PALATINE IL 60055-4149 SIERRA ENGINEERING, INC. P. O. BOX 50203 MIDLAND TX 79710 SILVERTIP ENERGY, INC PO BOX 51110 CASPER WY 82605-1110 SIMON PRINTING COMPANY 10810 CRAIGHEAD HOUSTON TX 77025 SIMONS PETROLEUM P.O. BOX 676686 DALLAS TX 75267-6686 SKIP ST ROMAINE 712 KISKATOM LANE MANDEVILLE LA 70471 SKY HIGH FOR ST. JUDE PO BOX 80263 LAFAYETTTE LA 70598 SLADCO, INC. 1003 HIGHWAY 182 HOUMA LA 70364 SLATTERY, MARINO AND ROBERTS 1100 POYDRAS ST. STE 1800 NEW ORLEANS LA 70163-1800 405 LEXINGTON AVENUE, 55TH SLEEPY HOLLOW, LP THE CHRYSLER BUILDING FLOOR ATTN MS ROBIN BROCKING NEW YORK NY 10174-0002 SM DANIEL 3836 GRAMERCY HOUSTON TX 77025 3100 JPMORGAN CHASE SMH CAPITAL TOWER 600 TRAVIS STREET HOUSTON TX 77002 SMH CAPITAL 4800 OVERTON PLAZA NO 300 FORT WORTH TX 76109 SMITH INTERNATIONAL, INC. P. O. BOX 200760 DALLAS TX 75320-0760 SOCIETY FOR HUMAN RESOURCE MANAGEMENT PO BOX 791139 BALTIMORE MD 21279-1139 SOCIETY FOR HUMAN RESOURCES 1800 DUKE ST ALEXANDRIA VA 22314 SOCIETY FOR HUMAN SOCIETY FOR HUMAN RESOURCES RESOURCE MANAGEMENT PO BOX 791139 BALTIMORE MD 21279-1139

SOCIETY OF CORPORATE SECRETARIES & GOVERNANCE PROFESSIONALS 521 FIFTH AVENUE 32 FLOOR NEW YORK NY 10175-3299 SOCIETY OF CORPORATE SECRETARIES AND GOVERNANCE SOCIETY OF CORPORATE PROFESSIONALS SECRETARIES & 521 FIFTH AVENUE 32 FLOOR NEW YORK NY 10175-3299 SODEXO REMOTE SITES P. O. BOX 843753 DALLAS TX 75284-3753 SOF INVESTMENTS L.P. PRIVATE XVIII 645 FIFTH AVE. 21ST FLOOR NEW YORK NY 10022 SOF INVESTMENTS LP PRIVATE XIX 645 FIFTH AVE 21ST FL NEW YORK NY 10022 SOF INVESTMENTS LP XIX 645 FIFTH AVE 21ST FLOOR NEW YORK NY 10022 SOF INVESTMENTS, LP - PRIVATE XIX(AFFILIATED WITH 645 FIFTH AVENUE, 21ST MSD CAPITAL) FLOOR NEW YORK NY 10022 SOF INVESTMENTS, LP - PRIVATE XVIII (AFFILIATED 645 FIFTH AVENUE, 21ST WITH MSD CAPITAL) FLOOR NEW YORK NY 10022

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 47 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 60 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country 7322 SOUTHWEST FREEWAY SOFTWAY SOLUTIONS, INC. STE 1025 HOUSTON TX 77074 2000 WEST SAM HOUSTON SOJITZ ENERGY VENTURE, INC ONE BRIAR LAKE PLAZA PARKWAY SOUTH STE 1450 HOUSTON TX 77042 2000 W SAM HOUSTON SOJITZ ENERGY VENTURE, INC ONE BRIAR LAKE PLAZA PARKWAY S STE 450 HOUSTON TX 77042 SOL INSURANCE LIMITED P. O. BOX HM 3103 HAMILTON HM HX BERMUDA SOLAR TURBINES INCORPORATED P. O. BOX 200580 HOUSTON TX 77216 SONAT EXPLORATION GOM, INC CHASE BANK OF TEXAS, N A PO BOX 200861 HOUSTON TX 77216 SONLIFE CORPORATION P. O. BOX 90685 HOUSTON TX 77290 SOUTH BEACH CAPITAL MARKETS 888 BRICKELL KEY DRIVE SUITE 912 MIAMI FL 33131-2662 SOUTH BEACH CAPITAL MARKETS ADVISORY CO R 888 Brickell Key Dr Apt 912 MIAMI FL 33131-2663 SOUTH LOUISIANA ECONOMIC C/O GULF ECONOMIC COUNCIL SURVIVAL TEAM PO BOX 2078-NSU THIBODAUX LA 70310 SOUTH LOUISIANA ECONOMIC COUNCIL PO BOX 2078-NSU THIBODAUX LA 70310 SOUTH TEXAS PRODUCTION SPECIALTIES, INC. P. O. BOX 4063 VICTORIA TX 77903 SOUTHEASTERN FREIGHT LINES, INC PO BOX 100104 COLUMBIA SC 29202-3104 SOUTHERN DISTRICT REPORTERS 500 PEARL ST SUITE 330 NEW YORK NY 10007 SOUTHERN DISTRICT REPORTERS, PC UNITED STATES COURTHOUSE 500 PEARL STREET ROOM 330 NEW YORK NY 10007 SOUTHERN SHRED, LLC 5909 CENTRALCREST ST. HOUSTON TX 77092 SOUTHERN SPECIALTY & SUPPLY 212 MAGNOLIA ST HOUMA LA 70360 SOUTHERN SPECIALTY & SUPPLY INC. 212 MAGNOLIA ST. HOUMA LA 70360 SOUTHERN STATES OFFSHORE 19101 OIL CENTER BLVD HOUSTON TX 77073 SOUTHERN STATES SOUTHERN STATES OFFSHORE, INC. OFFSHORE 19101 OIL CENTER BLVD HOUSTON TX 77073 SOUTHERN WILDCAT RESOURCES, INC 4615 KINGS LANDING LANE KATY TX 77494 SOUTHWEST ENERGY, L.P. SOUTHWEST ENERGY LP 3100 TIMMONS STE 225 HOUSTON TX 77027 SOUTHWEST OCEAN SERVICES, INC. 5718 ARMOUR DRIVE HOUSTON TX 77020 SOUTHWEST WIRE ROPE LP PO BOX 731230 DALLAS TX 75373-1230 Sparrows Offshore, LLC William Williams, Legal Counsel 10235 W. Little York, Suite 100 Houston TX 77040 SPC RENTALS PO BOX 122114 DEPT 2114 DALLAS TX 75312-2114 SPECIALTY OFFSHORE, INC. SPECIALTY OFFSHORE INC PO BOX 2853 HAMMOND LA 70404 SPECIALTY RENTAL TOOLS AND SUPPLY 1600 E HWY 6 SUITE 418 ALVIN TX 77511 SPECTRO-SCAN, INC. 109 CLEVELAND STREET HOUMA LA 70363 SPECTRUM GEO INC. PO BOX 202600 DALLAS TX 75320-2600 SPECTRUM INVESTMENT PARTNERS LP 1250 BROADWAY, 19TH FLOOR NEW YORK NY 10001 SPECTRUM INVESTMENT PARTNERS LP ATTN JEFFREY SCHAFFER 1250 BROADWAY 19TH FLOOR NEW YORK NY 10001 SPEEDY PICTURE FRAMING 6719 STELLA LINK ROAD HOUSTON TX 77005 SPIRIT ENERGY ATTN REVENUE ACCOUNTING PO BOX 841055 DALLAS TX 75284-1055 SPL P.O.BOX 842013 DALLAS TX 75284-2013 SPL INCORPORATED SPL P.O.BOX 842013 DALLAS TX 75284-2013 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 48 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 61 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country SPN RESOURCES, LLC 12707 NORTH FREEWAY STE 200 HOUSTON TX 77060 SPRINT PO BOX 219100 KANSAS CITY MO 64121-9100 SPRINT P. O. BOX 219623 KANSAS CITY MO 64121-9623 SPRINT PO BOX 730087 DALLAS TX 75373-0087 ST. MARTIN OIL & GAS, INC. 2040 TERRACE HWY. ST. MARTINVILLE LA 70582-9114 STABIL DRILL DEPT. 2162 PO BOX 122162 DALLAS TX 75312-2162 STABIL DRILL SPECIALTIES, L.L.C. STABIL DRILL DEPT. 2162 PO BOX 122162 DALLAS TX 75312-2162 STALLION OFFSHORE QUARTERS, INC. PO BOX 1486 HOUSTON TX 77251-1486 STAMPIT INDUSTRIES INC. PO BOX 430 PEARLAND TX 77588-0430 2542 COLLECTION CENTER STANDARD AND POORS DRIVE CHICAGO IL 60693 STAPLES BUSINESS ADVANTAGE DEPT DAL PO BOX 83689 CHICAGO IL 60696-3689 STAR ENTERPRISES, INC OF MORGAN CITY PO BOX 3109 MORGAN CITY LA 70381 STAR ENTERPRISES, INC. OF STAR ENTERPRISES, INC OF MORGAN CITY MORGAN CITY PO BOX 3109 MORGAN CITY LA 70381 STAR MEASUREMENT P.O. BOX 61704 LAFAYETTE LA 70596-1704 STARNET INSURANCE COMPANY 475 STEAMBOAT ROAD GREENWICH CT 06830 STARR INSURANCE & STARNET INSURANCE REINSURANCE LTD. COMPANY 475 STEAMBOAT ROAD GREENWICH CT 06830 STARR MANAGING AGENTS LIMITED 3RD FLOOR 140 LEADENHALL STREET LONDON EC3V 4QT UNITED KINGDOM STATE BAR OF TEXAS P.O. BOX 972298 DALLAS TX 75397-2298 LOUISIANA DEPARTMENT OF STATE OF LOUISIANA REVENUE PO BOX 201 BATON ROUGE LA 70821 STATE OF LOUISIANA DEPARTMENT ENVIRONMENTAL QUALITY PO BOX 4311 BATON ROUGE LA 70821 STATE OF LOUISIANA DEPARTMENT OF NATURAL RESOURCES POST OFFICE BOX 44277 BATON ROUGE LA 70804 STATE OF LOUISIANA DEPARTMENT OF NATURAL STATE OF LOUISIANA RESOURCES DEPARTMENT PO BOX 4311 BATON ROUGE LA 70821 STATE STREET ONE LINCOLN ST BOSTON MA 02122 STATE STREET FINANCIAL STATE STREET CORPORATION CENTER BOSTON MA 02111 STEPHEN E HEITZMAN 18819 RED ADLER CT MAGNOLIA TX 77355 STEPHEN STATHAM STEPHENSON & MURRAY STEVE APPEL ENTERPRISES 7575 GOSLING ROAD APT 525 THE WOODLANDS TX 77382 STEWART TUBULAR PRODUCTS 1810 AFTON STREET HOUSTON TX 77055 STIC-LAN COMPANIES CORPORATION 104 SABLE ST DUSON LA 70529 STINGRAY PIPELINE COMPANY, L.L.C. 4329 PAYSPHERE CIRCLE CHICAGO IL 60674 STOKES & SPIEHLER OFFSHORE P. O. BOX 52006 LAFAYETTE LA 70505 STONEHILL INSTITUTIONAL C O STONEHILL CAPITAL PARTNERS LP ATTN STEVEN NELSEN MANAGEMENT LLC 885 THIRD AVE 30TH FL NEW YORK NY 10022 STONEHILL INSTITUTIONAL C/O STONEHILL CAPITAL 885 THIRD AVENUE, 30TH PARTNERS LP MANAGEMENT LLC FLOOR NEW YORK NY 10022

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 49 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 62 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country STONEHILL INSTITUTIONAL C/O STONEHILL CAPITAL 885 THIRD AVENUE, 30TH PARTNERS, LP MANAGEMENT LLC ATTN STEVEN NELSON FLOOR NEW YORK NY 10022 STRATEGIC DIRECTION RESOURCES, INC. 3314 OAK GARDENS DRIVE KINGWOOD TX 77339 STRATOS OFFSHORE SERVICE CO., INC. PO BOX 416704 BOSTON MA 02241-6704 STRESS ENGINEERING SERVICES 13800 WESTFAIR EAST DR HOUSTON TX 77041 STRESS ENGINEERING SERVICES, INC. P. O. BOX 201997 HOUSTON TX 77216-1997 SUMRAIL OILFIELD SUPPLY, INC. SUNGARD AVAILABILITY SERVICES P. O. BOX 91233 CHICAGO IL 60693 SUPERIOR ENERGY SERVICES L.L.C., ET AL 1550 SKIPPACK PIKE BLUE BELL PA 19422 SUPERIOR ENERGY SERVICES, L. L. C. DEPT 2203 P. O. BOX 122203 DALLAS TX 75312-2203 SUPERIOR ENERGY SERVICES, LLC DEPT 2191 PO BOX 122191 DALLAS TX 75312-2191 SUPERIOR ENERGY SERVICES, LLC WELL SERVICES DIVISION PO BOX 95102 NEW ORLEANS LA 70195 SUPERIOR OFFSHORE INTERNATIONAL, INC. P. O. BOX 62600 DEPT. 1394 NEW ORLEANS LA 70162-2600

SUPERIOR PERFORMANCE INC PO BOX 397 BROUSSARD LA 70518 SUPERIOR PERFORMANCE, INC. SUPERIOR PERFORMANCE INC PO BOX 397 BROUSSARD LA 70518 SUPERIOR PLANT SERVICES 1102 HALL CT LA PORTE TX 77536 SUPERIOR PRESSURE CONTROL PO BOX 122114 DEPT 2114 DALLAS TX 75312-2114 SUPERIOR PRESSURE SUPERIOR PRESSURE CONTROL LLC CONTROL PO BOX 122114 DEPT 2114 DALLAS TX 75312-2114 SUPERIOR SUPPLY & STEEL P. O. BOX 677427 DALLAS TX 75267-7427 SUPREME SERVICE & SPECIALTY CO, INC 204 INDUSTRIAL AVE C HOUMA LA 70363 SURBO TUBULAR SERVICES, INC. PO BOX 5041 HOUMA LA 70361 SURF SUBSEA, INC. 6018 FM 1488 MAGNOLIA TX 77354 SURVIVAL SYSTEMS INTERNATIONAL CORP. PO BOX 1855 38140 VALLEY CENTER RD VALLEY CENTER CA 92082 SUSAN C KINCANNON 11461 FOREST TRAINS DR WILLIS TX 77318 SUWANNEE PIPE & SUPPLY, INC. P. O. BOX 1820 VICTORIA TX 77902-1820 SUZANNE K BELLIS,TRUSTEE K BELLIS SURVIVORS TRUST OF THE SUZANNE SHARE ONE PO BOX 581 ATTN SUZANNE BELLIS EDWARDS CO 81632 SWDI-IESI PO BOX 650348 DALLAS TX 75265-0348 SWIFT ENERGY OPERATING, LLC DEPT 84 PO BOX 4346 HOUSTON TX 77210-4346 Swire Oilfield Services, LLC 2201 Timberloch Place, Ste. 175 The Woodlands TX 77380

SWISS RE INTERNATIONAL SE 2A RUE ALBERT BORSCHETTE LUXEMBOURG L-1246 LUXEMBOURG T M JOHNSON 329 CREST LANE THOMASTON GA 30286 T PAUL BULMAHN 10110 WILLOWGROVE DR HOUSTON TX 77035 T&P WELL TESTERS OF LAFAYETTE, INC. PO BOX 80456 LAFAYETTE LA 70598 T.N.T. RENTAL TOOLS LLC 220 CRISP LANE DUSON LA 70529 T3 ENERGY SERVICES P O BOX 201244 DALLAS TX 75320-1244 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 50 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 63 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country TALBOT UNDERWRITING LTD 60 THREADNEEDLE STREET LONDON EC2R 8HP UNITED KINGDOM TALENS MARINE & FUEL INC P. O.BOX 676871 DALLAS TX 75267-6871 TALENS MARINE & FUEL LLC TALENS MARINE & FUEL INC P. O.BOX 676871 DALLAS TX 75267-6871 TALK POINT COMMUNICATION 100 WILLIAM STREET NEW YORK NY 10038

TALK POINT COMMUNICATIONS P. O. BOX 27346 NEW YORK NY 10087-7346 TAM INTERNATIONAL, INC PO BOX 973935 DALLAS TX 75397 TANKS-A-LOT, INC. P.O. BOX 1636 MORGAN CITY LA 70381 TARGA MIDSTREAM SERVICES LP P. O. BOX 73689 CHICAGO IL 60673-3689 TARPON RENTAL, INC. P. O. BOX 9023 HOUMA LA 70361 TAYLORS INTERNATIONAL SERVICES, INC. TAYLORS PO BOX 54591 NEW ORLEANS LA 70154

TBS FACTORING SERVICE, LLC CMS EXPRESS PO BOX 268827 OKLAHOMA CITY OK 73126-8827 TDC ENERGY CORPORATION 600 JULIA ST NEW ORLEANS LA 70130 TDC ENERGY, LLC PO BOX 62600, DEPT 1259 NEW ORLEANS LA 70162-2600 TDW SERVICES, INC. P. O. BOX 972118 DALLAS TX 75397-2118 Counsel for Team Management 1200 Camellia Blvd, Ste Team Management Perrett Doise LLC c o Dennis Doise and Consulting LLC 220 Lafayette LA 70508-6163 TEAM ONE LOGISTICS, LLC P. O. BOX 53966 LAFAYETTE LA 70505 TECHNICAL & QUALITY SOLUTIONS, INC. 210 SPRING HILL DR. STE 110 SPRING TX 77386 TECHNICAL INDUSTRIES, INC. P. O. BOX 52523 LAFAYETTE LA 70505 TECHNIP USA, INC. PO BOX 203792 HOUSTON TX 77216-3792 Ted Ty Lee Tod 6025 Verde TRL S Apt K318 Boca Raton FL 33433-4446 TELOS RESOURCES, LLC 1951 WEST GRAY STE 1 HOUSTON TX 77019 TELVENT DTN INC. PO BOX 630845 CINCINNATI OH 45263-0845 91393 COLLECTIONS GAS PIPELINE CO. C/O BANK OF AMERICA FILE# 91393 CENTER DRIVE CHICAGO IL 60693 17797 WEST HAMPTON WOODS TERRAMAR NETWORKS LLC DR. WILDWOOD MO 63005 C/O MAPLE LEAF CONSULTING TERRY L THIBODEAUX SVC, LP 2710 MORNING LEAF COURT SPRING TX 77388 TESCO CORPORATION C/O JP MORGAN CHASE PO BOX 730525 DALLAS TX 75373-0525 TESLA OFFSHORE, L.L.C. P. O. BOX 974562 DALLAS TX 77397-4562 TEST AUTOMATION & CONTROLS 6213 W SAM HOUSTON PKWY N HOUSTON TX 77041 TETRA APPLIED TECHNOLOGIES, INC. 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380

TEXAS EASTERN TRANSMISSION CORPORATION P. O. BOX 201210 HOUSTON TX 77216-1210 TEXAS MUTUAL INSURANCE COMPANY 6210 E. HIGHWAY 290 AUSTIN TX 78723-1098 TEXAS MUTUAL INSURANCE COMPANY P.O. BOX 841843 DALLAS TX 75284-1843 TEXAS SEAMAR DIVERS, INC. SEAMAR DIVERS, INC. P. O. BOX 740976 HOUSTON TX 77274 TEXAS SOCIETY OF CPAS P. O. BOX 797488 DALLAS TX 75379-7488 TEXAS STATE COMPTROLLER ATTORNEY OCCUPATION TAX PO BOX 12030 AUSTIN TX 78711-2030 TEXAS WORKFORCE COMMISSION 101 E 15TH ST NO 252 AUSTIN TX 78778 TEXAS WORKFORCE 2810 E MARTIN LUTHER KING COMMISSION JR BLVD AUSTIN TX 78702 TGS-NOPEC GEOPHYSICAL COMPANY PO BOX 203105 DALLAS TX 75320-3105 1200 WALL STREET WEST 3RD THE ALTMAN GROUP, INC. FLOOR LYNDHURST NJ 07071-0000 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 51 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 64 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country THE BANK OF NEW YORK MELLON PO BOX 19445A NEWARK NJ 07195-0445 THE BANK OF NEW YORK MELLON FINANCIAL CONTROL BILLING DEPT. PO BOX 19445A NEWARK NJ 07195-0445 13100 WORTHAM CENTER DR. THE BROADLEAF GROUP STE 150 HOUSTON TX 77065 THE CAVINS CORPORATION 3701 KIRBY DRIVE SUITE 913 HOUSTON TX 77098-3974 THE DELAWARE COUNSEL GROUP LLP PO BOX 4175 WILMINGTON WILMINGTON DE 19807 THE DELAWARE COUNSEL GROUP, LLP PO BOX 4175 WILMINGTON DE 19807 ONE ALLEN CENTER PARKING THE DOWNTOWN CLUB 340 WEST DALLAS GARAGE HOUSTON TX 77002 THE HOUSTON EXPLORATION COMPANY 1100 LOUISIANA ST STE 2000 HOUSTON TX 77002 THE JUNIOR LEAGUE OF HOUSTON 1811 BRIAR OAKS LANE HOUSTON TX 77027 THE JUNIOR LEAGUE OF,HOUSTON, INC 1811 BRIAR OAKS LANE HOUSTON TX 77027-3405 THE LOGIC GROUP 1024 PATTERSON RD AUSTIN TX 78733 THE MERIDIAN RESOURCE & EXPLORATION CO 15021 KATY FWY STE 400 HOUSTON TX 77094-1900 THE MUDLOGGING COMPANY 6741 SATSUMA DRIVE HOUSTON TX 77041 THE MUDLOGGING COMPANY USA, LP THE MUDLOGGING COMPANY 6741 SATSUMA DRIVE HOUSTON TX 77041 THE NASDAQ STOCK MARKET, INC. PO BOX 8500 LOCKBOX 20200 PHILADELPHIA PA 19178-0200 THE PROSPECTIVE TRADING COMPANY, LTD ATTN ADAM AND INVESTMENT SINGER PO BOX 849107 DALLAS TX 75284-9107 THE UNITED STATES OF DEPARTMENT OF JUSTICE, AMERICA, WASHINGTON DC WASHINGTON DC THE VANGUARD GROUP, INC. 100 VANGUARD BLVD. MALVERN PA 19355 THE WALL STREET JOURNAL P. O. BOX 7020 CHICOPEE MA 01021-7030 THE WALL STREET TRANSCRIPT 48 WEST 37TH STREET 8TH FLOOR NEW YORK NY 10018 THOMAS POCHE 106 BRIAROAK CIRCLE LAFAYETTE LA 70503 THOMPSON & KNIGHT LLP DEPT. 70 PO BOX 4346 HOUSTON TX 77210-4346 THOMSON FINANCIAL CORPORATE GROUP PO BOX 5136 CAROL STREAM IL 60197-5136 THOMSON REUTERS MARKETS LLC PO BOX 415983 BOSTON MA 02241-0000 THRU-TUBING SYSTEMS, INC. THRU-TUBING SYSTEMS 4102 HWY 90 WEST NEW IBERIA LA 70560

Tht Living Trust, date 10/30/2001, Tsu Hua Tsai, Trustee Tsu Hua TSAI 66 Sanctuary Irvine CA 92620 TIGER SAFETY P. O. BOX 3127 BEAUMONT TX 77704 C/O CARRIGAN MC CLOSKEY & TIMOTHY M MCCLOSKEY ROBERSON, LLP 5300 MEMORIAL, SUTE 700 HOUSTON TX 77007 C/O CARRIGAN MCCLOSKEY & TIMOTHY M MCCLOSKEY ROBERSON, LLP 945 HEIGHTS BOULEVARD HOUSTON TX 77008 TIMOTHY R. SAMPSON 6506 CARLINDA AVE COLUMBIA MD 21046 TINTORETTO INVESTMENTS LLC 1209 N ORANGE ST WILMINGTON DE 19801 TINTORETTO INVESTMENTS LLC C/O MSD CAPITAL LP 645 FIFTH AVE-21ST FL NEW YORK NY 10022 TITAN OF TEXAS 2303 WILLOW PASS DRIVE KINGWOOD TX 77339

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 52 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 65 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country TM ENERGY HOLDINGS LLC FORMERLY PWP ABV ENERGY II LLC C O PERELLA WEINBERG PARTNERS CAPITAL MANAGEMENT LP 767 FIFTH AVE NEW YORK NY 10153 TOBIAS INC. PO BOX 130 ERATH LA 70533 TOKO MARINE & NICHIDO FIRE INSURANCE COMPANY, LTD. (USB) 230 PARK AVENUE NEW YORK NY 10169-0005 TOM BAKER INSURANCE AGENCY 9525 KATY FREEWAY STE 480 HOUSTON TX 77024 TONY HAUGLUM 205 DEL MAR BLVD CORPUS CHRISTI TX 78404 TOP COAT P. O. BOX 3305 FREEPORT TX 77542-1505 TOP COAT, INC. TOP COAT P. O. BOX 3305 FREEPORT TX 77542-1505 TORUS INSURANCE (UK) LIMITED 88 LEADENHALL STREET LONDON EC3A 3BP UNITED KINGDOM TOTAL E&P USA, INC PO BOX 200074 HOUSTON TX 77216-0074 TOTAL MINATOME CORPORATION PO BOX 201769 HOUSTON TX 77216-1769 TOTAL PRODUCTION SUPPLY INC. PO BOX 915 BROUSSARD LA 70518 TOTAL RENTALS 4803 FREEDOM RD. HOUMA LA 70360 TOTAL SERVICE SUPPLY, L.P. DEPT AT 952345 ATLANTA GA 31192-2345

TOTALFINAELF E&P USA INC ATTN REVENUE DEPARTMENT 800 GESSNER, STE 700 HOUSTON TX 77024 TOTALFINAELF E&P USA, INC DEPT 0779 PO BOX 200669 HOUSTON TX 77216-0669 TRACERCO USA 4106 NEW WEST DRIVE PASADENA TX 77507 TRACY P MEVS 15406 HUNTERS BEND TOMBALL TX 77377-3903 TRADITIONS 2008 INVESTMENTS, LLC 1221 MCKINNEY, STE 3700 HOUSTON TX 77010 TRANSCONTINENTAL GAS PIPELINE CORP. C/O CHASE BANK P. O. BOX 201371 HOUSTON TX 77216--137 TRANSCONTINENTAL GAS PIPELINE CORP. P. O. BOX 201371 HOUSTON TX 77216--137 TRANSWORLD EXPLORATION BANK ONE CENTER 910 TRAVIS ST STE 800 HOUSTON TX 77002 TRAVELERS CASUALTY & SURETY COMPANY OF AMERICA TRAVELERS CASUALTY & SURETY COMPANY OF AMERICA ONE TOWER SQUARE HARTFORD CT 06183 TRAVELERS SYNDICATE MANAGEMENT LIMITED EXCHEQUER COURT 33 ST MARY AXE LONDON EC3A 8AG UNITED KINGDOM TRAVIS BROUSSARD PO BOX 194 CREOLE LA 70632 TRC CONSULTANTS, L.C. 120 DIETERT AVE. SUITE 100 BOERNE TX 78006 TRENDSETTER ENGINEERING, INC. 10430 RODGERS ROAD HOUSTON TX 77070 TRI DRILL, INC. 1001 BRIAR PATCH ROAD BROUSSARD LA 70518 TRI STAR PROTECTOR SERVICE P.O. BOX 14232 HUMBLE TX 77347 TRI STAR PROTECTOR SERVICE TRI DRILL, INC. 1001 BRIAR PATCH ROAD BROUSSARD LA 70518 TRI STAR PROTECTOR SERVICE CO. PO BOX 14232 HUMBLE TX 77347

TRIAD PIPE & STEEL COMPANY 9225 KATY FREEWAY SUITE 400 HOUSTON TX 77024 TRIAD PIPE & STEEL COMPANY, LLC DEPARTMENT 630 PO BOX 4652 HOUSTON TX 77210-4652 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 53 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 66 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country TRIANGLE OIL & GAS, INC PO BOX 52305 LAFAYETTE LA 70505 TRIANGLE PEAK PARTNERS PRIVATE EQUITY LP PO BOX 3788 CARMEL CA 93921 TRIANGLE PEAK PARTNERS PRIVATE EQUITY LP ATTN MICHAEL C MORGAN PO BOX 3788 CARMEL CA 93921 TRI-CITY SERVICES, INC. PO BOX 81858 LAFAYETTE LA 70598-1858 TRIFECTA OIL & GAS LLC 6575 WEST LOOP SOUTH STE 455 BELLAIRE TX 77401 TRINITY FABRICATION, L.L.C. P. O. BOX 891 BREAUX BRIDGE LA 70517-0891 TRINITY MEDICAL MANAGEMENT P. O. BOX 83357 BATON ROUGE LA 70884-3357

Trinity Medical Management, LLC PO. Box 83357 Baton Rouge LA 70884-3357 TRINITY TOOL RENTALS, LLC 2135 BAYOU BLUE ROAD HOUMA LA 70364 TRINITYTOOL RENTALS, LLC. PO BOX 5091 HOUMA LA 70361-5091 TRIPLE H CHEMICALS, INC. PO BOX 2086 MORGAN CITY LA 70381 TRI-STATE ENVIRONMENTAL, LLC PO BOX 403 PETAL MS 39465 TRITON DATA SERVICES 17171 PARK ROW STE 320 HOUSTON TX 77084

TRITON DIVING SERVICES. LLC 12012 WICKCHESTER LN SUITE 690 HOUSTON TX 77079 TRI-UNION DEVELOPMENT CORPORATION 2801 POST OAK BLVD, STE 400 HOUSTON TX 77056 TROTTI SERVICE COMPANY, INC. 9210 MEADOW VISTA HOUSTON TX 77064-2012 TRUNKLINE FIELD SERVICES P. O. BOX 201893 HOUSTON TX 77216-1893 TRUNKLINE FIELD SERVICES, LLC 5444 WESTHEIMER RD HOUSTON TX 77056-5306 TRUNKLINE GAS COMPANY P.O. BOX 201203 HOUSTON TX 77216-1203 TRUSSCO, INC. 2388 MOMENTUM PLACE CHICAGO IL 60689-5323

TS&S CRANE SERVICES, INC. TS&S CRANE SERVICE, INC. 59131 CYPRESS BAYOU LANE LACOMBE LA 70445 2050 W. SAM HOUSTON TSA PARKWAY NORTH HOUSTON TX 77043 TSA (TRANSPORTATION 2050 W. SAM HOUSTON SECURITY ADMINISTRATION) TSA PARKWAY NORTH HOUSTON TX 77043

TSCPA CPE FOUNDATION, INC. P. O. BOX 797488 DALLAS TX 75379-7488 TUBE-ALLOY CORPORATION P. O. BOX 201525 HOUSTON TX 77216-1525 TUBOSCOPE VETCO PO BOX 201177 DALLAS TX 75320-1177 TUBULAR SOLUTIONS, INC. 12335 KINGSRIDE STE 250 HOUSTON TX 77024 TWIN CITY FIRE INSURANCE COMPANY (HARTFORD) THE HARTFORD 277 PARK AVENUE 15TH FLOOR NEW YORK NY 10172 TYCO FAB PO BOX 10186 HOUMA LA 70363 U.S. COAST GUARD - CIVIL ENGINEERING UNIT U.S. COAST GUARD - CIVIL PENALTIES PO BOX 531112 ATLANTA GA 30353-1112 U.S. RECOVERY SYSTEM INC PO BOX 442 HOUMA LA 70361 U.S. SPECIALTY INSURANCE COMPANY 777 POST OAK SUITE 330 HOUSTON TX 77056 UBS 1285 AVENUE OF THE UBS AMERICAS NEW YORK NY 10019 UHY ADVISORS TX LLC DEPT CH 16401 PALATINE PALATINE IL 60055 UHY ADVISORS TX, LLC DEPT. CH 16401 PALATINE IL 60055-6401 ULTRA-FAB, INC. 57985 SR 19 S ELKHART IN 46517 ULYSSES OFFSHORE FUND LTD In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 54 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 67 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country ULYSSES OFFSHORE FUND LTD 280 PARK AVENUE NEW YORK NY 10017 ULYSSES PARTNERS LP ULYSSES PARTNERS LP 280 PARK AVENUE NEW YORK NY 10017 UMOE SCHAT-HARDING INC PO BOX 2153 DEPT 1841 BIRMINGHAM AL 35287-1841 UNDERWRITERS AT LLOYDS LONDON LIME STREET LONDON EC3M 7HA UNITED KINGDOM UNILEV MANAGEMENT CORPORATION 4600 POST OAK, LTD. DEPT. 122 P. O. BOX 4408 HOUSTON TX 77210-4408 UNILEV MANAGEMENT CORPORATION DEPT. 122 P. O. BOX 4408 HOUSTON TX 77210-4408 UNION OIL COMPANY OF CALIFORNIA PO BOX 730805 DALLAS TX 75373-0805 UNISHIPPERS 746 EAST WINCHESTER ST. SUITE 200 SALT LAKE CITY UT 84107 UNISHIPPERS HOU 15715 TUCKERTON RD. DEPT H HOUSTON TX 77095-5117 UNISOURCE SUPPLY INC. PO BOX 80008 LAFAYETTE LA 70598-0008

UNITED PRODUCTION & CONSTUCTION SERVICES, INC. UNITED PRODUCTION 23902 LA HWY. 333 ABBEVILLE LA 70510 UNITED STATES FIRE INSURANCE COMPANY (CRUM UNITED STATES FIRE & FORSTER) INSURANCE COMPANY 305 MADISON AVENUE MORRISTOWN NJ 07962 FOR THE BENEFIT OF DWAYNE TAX 1040/PERIOD 31DEC05, ID 1610 ENTERPRISE UNITED STATES TREASURY KSINGLETON NO 323544238 LEVY PROCEEDS CIRCLE LEAGUE CITY TX 77573 UNITED VISION LOGISTICS PO BOX 975357 DALLAS TX 75397-5357 UNITED VISION LOGISTICS P.O. BOX 975390 DALLAS TX 75397-5390 UNIVERSITY OF TEXAS UNIVERSITY OF TEXAS AT AUSTIN OFFICE OF CONTINUING LEGAL EDUCATION PO BOX 7759 AUSTIN TX 78713-7759 UNIVERSITY OF TULSA 600 S COLLEGE AVE. KEMP CONTINUING EDUCATIO N ATTN COLLEEN C. DONE M209C TULSA OK 74104-3189 UNIVERSITY OF TULSA UNIVERSITY OF TULSA 600 S COLLEGE AVE. KEMP CONTINUING EDUCATION CONTINUING EDUCATIO M209C TULSA OK 74104-3189 UNLIMITED SUPPLY, INC. 115 NOVA DRIVE BROUSSARD LA 70518

UNOCAL ENERGY TRADING INC PO BOX 4551 HOUSTON TX 77210-4551 UPSTREAM AS 5151 SAN FELIPE SUITE 1440 HOUSTON TX 77056

UPSTREAM ENGINEERING LLC, 1505 HWY 6 SOUTH STE 380 HOUSTON TX 77077

UPSTREAM ENGINEERING, LLC UPSTREAM ENGINEERING LLC, 1505 HWY 6 SOUTH STE 380 HOUSTON TX 77077 US COAST GUARD LEGAL COAST GUARD ISLAND BLDG SERVICES COMMAND (LSC-5) 54A ALAMEDA CA 94501-5100 US COAST GUARD VESSEL INSPECTION PO BOX 531030 ATLANTA GA 30353-1030 US DEPARTMENT OF COMMERCE US DEPARTMENT OF COMMERCE - NOAA PO BOX 979008 ST. LOUIS MO 63197-9000 US LIQUIDS OF LA, L.P. PO BOX 671766 DALLAS TX 75267-1766 US SPECIALTY INSURANCE COMPANY (HOUSTON HCC GLOBAL FINANCIAL CASUALTY COMPANY) PRODUCTS, LLC 8 FOREST PARK DRIVE FARMINGTON CT 06032 US STEEL TUBULAR PRODUCTS, INC. PO BOX 841874 DALLAS TX 75284-1874

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 55 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 68 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country US TAX EXEMPT SERIES A SEPARATE SERIES Q BLK CO INVESTMENT FUND II LP ATTN ROBERT S ELLSWORTH 601 UNION ST 56TH FL SEATTLE WA 98101 US TAXABLE SERIES A SEPARATE SERIES OF Q BLK CO INVESTMENT FUND II LP ATTN ROBERT S ELLSWORTH 601 UNION ST 56TH FL SEATTLE WA 98101 US TAXABLE SERIES, A Q-BLK CO-INVESTMENT FUND SEPARATE SERIES OF LL, LP ATTN ROBERT S ELLSWORTH 601 UNION ST, 56TH FLOOR SEATTLE WA 98101 US TAXABLE SERIES, A SEPARATE SERIES OF Q-BLK 601 UNION STREET, 56TH INVESTMENT FUND II, LP FLOOR SEATTLE WA 98101 US TAX-EXEMPT SERIES, A Q-BLK CO-INVESTMENT FUND SEPARATE SERIES LL, LP ATTN ROBERT S ELLSWORTH 601 UNION ST, 56TH FLOOR SEATTLE WA 98101 US TAX-EXEMPT SERIES, A SEPARATE SERIES OF Q-BLK 601 UNION STREET, 56TH INVESTMENT FUND II, LP FLOOR SEATTLE WA 98101 THREE MEMORIAL CITY 840 USI SOUTHWEST GESSNER SUITE 600 HOUSTON TX 77218-8060

UTEC SURVEY, INC. 7240 BRITTMOORE RD. STE 110 HOUSTON TX 77041 UV LOGISTICS, LLC DBA UNITED VISION LOGISTICS 200 CORPORATE BLVD. SUITE 104 LAFAYETTE LA 70508 V C SMITH 15105-D JOHN J DELANEY DR BOX 007 CHARLOTTTE NC 28277 V&M TUBE-ALLOY, LLC PO BOX 841485 DALLAS TX 75284-1485 VALERUS COMMISSION SERVICES, LP 919 MILAM STREET, SUITE 1000 HOUSTON TX 77002 VALERUS COMPRESSION SERVICES LP DEPT 1833 P. O. BOX 2153 BIRMINGHAM AL 35287-1833 VALERUS COMPRESSION SERVICES LP P. O. BOX 2153 BIRMINGHAM AL 35287-1833 UNDERWRITING RISK VALIDUS SERVICES - VALIDUS GROUP 48 WALL STREET, 28TH FLOOR NEW YORK NY 10005 VALLOUREC & MANNESMANN USA CORPORATION PO BOX 840456 DALLAS TX 75284-0456 VAM - USA PO BOX 840565 DALLAS TX 75284-0565 VARIABLE BORE RAMS, INC. 1086 AILLET ROAD BROUSSARD LA 70518 VENICE ENERGY SERVICES LLC P. O. BOX 730422 DALLAS TX 75353-0422

VEOLIA ES SPECIAL SERVICES NATALIE SPLAWSKI N104W13275 DONGES BAY RD. GERMANTOWN WI 53022-0367 VEOLIA ES SPECIAL SERVICES, INC. 21843 NETWORK PLACE CHICAGO IL 60673-1218 VERISIGHT, INC 2001 N. MAIN STREET STE 500 WALNUT CREEK CA 94596 VERIZON WIRELESS PO BOX 660108 DALLAS TX 75263-0023 VERSABAR, INC. 11349 FM 529 ROAD HOUSTON TX 77041 VERSATECH AUTOMATION SERVICES, LLC 11349 FM 529 RD. HOUSTON TX 77041 VESTA L KUNTZ 1059 KIRBY DR HOUSTON TX 77019 VETCO GRAY INC. BANK OF AMERICA PO BOX 841017 DALLAS TX 75284-1017 VICKI SMITH 129 COOPERS SHOOT RD BYRON BAY NEW SWALES 02481 AUSTRALIA VIKING ENGINEERING LC 12012 WICKCHESTER STE 260 HOUSTON TX 77079 VINSON & ELKINS P. O. BOX 200113 HOUSTON TX 77216-0113 VME PROCESS, INC 909 ESE LOOP 323 STE 560 TYLER TX 75701 W FRED DEUSINGER 12530 LIMBER PINE PLACE CYPRESS TX 77429 W J HURLEY PO BOX 7306 METAIRIE LA 70010-7306 W R BERKLEY INSURANCE COMPANY 475 STEAMBOAT ROAD GREENWICH CT 06830 W&T OFFSHORE, INC DEPT 611 PO BOX 4346 HOUSTON TX 77210-4346

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 56 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 69 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country NINE GREENWAY PLAZA STE W&T OFFSHORE, INC. 300 HOUSTON TX 77046 W.H. LINDER & ASSOCIATES, W.H. LINDER & ASSOCIATES, 3330 WEST ESPLANADE AVE INC. INC SUITE 300 METAIRIE LA 70002 WALDEMAR S. NELSON AND WALDEMAR S. NELSON AND COMPANY, INC. COMPANY INC 1200 ST. CHARLES AVENUE NEW ORLEANS LA 70130-4334 WALTER WENDLANDT 915 CALITHEA AUSTIN TX 78746 WARD H TAYLOR 13611 LLANO PASS COURT CYPRESS TX 77429 WARNER OILFIELD CONSTRUCTION & SERVICES P.O. BOX 5188 BOISE ID 83705 WARRIOR ENERGY SERVICES CORP DEPT 2114 PO BOX 122114 DALLAS TX 75312 WARRIOR ENERGY SERVICES CORP. DEPT. 2114 PO BOX 122114 DALLAS TX 75312-2114 WASTE AUDITORS, INC. P. O. BOX 53391 LAFAYETTE LA 70505-3391 WASTEWATER SPECIALTIES, INC. 2205 INDUSTRIAL DRIVE SULPHUR LA 70665 WATER QUALITY INSURANCE WATER QUALITY INSURANCE SYNDICATE (WQIS) SYNDICATE 60 BROAD STREET 33RD FLOOR NEW YORK NY 10004 WATERDRAWS LLC PO BOX 1344 JENNINGS LA 70546 WATERSTONE DISTRESSED OPPORTUNITIES MASTER FUND, LTD. WATERSTONE DISTRESSED OPPORTUNITIES MASTER 2 CARLSON PARKWAY, SUITE FUND, LTD. 260 PLYMOUTH MN 55447 WATERSTONE MARKET NEUTRAL MAC51 FUND LTD 2 CARLSON PARKWAY PLYMOUTH MN 55447 WATERSTONE MARKET NEUTRAL MASTER FUND LTD WATERSTONE MARKET NEUTRAL MASTER FUND LTD 2 CARLSON PARKWAY PLYMOUTH MN 55447 WATERSTONE MF BLR FUND GLOBEOP FINANCIAL SVCS 45 MARKET STREET STE 3205 LTD (CAYMAN) LTD 2ND FLOOR GRAND CAYMAN KY 45 MARKET STREET, SUITE WATERSTONE MF FUND LTD 3205, 2ND FL CAMANA BAY KY WATERSTONE MF FUND LTD WATERSTONE OFFSHORE AD 2 CARLSON PARKWAY, SUITE FUND, LTD. 260 PLYMOUTH MN 55447 WATERSTONE OFFSHORE BLR 45 MARKET STREET,SUITE FUND LTD 3205,2ND FL GRAND CAYMAN KY WATERSTONE OFFSHORE ER FUND LTD WATERSTONE OFFSHORE ER 2 CARLSON PARKWAY, SUITE FUND LTD 260 PLYMOUTH MN 55447 13430 NORTHWEST FREEWAY WEARSOX, LP STE 950 HOUSTON TX 77040

WEATHER RESEARCH CENTER 5104 CAROLINE ST. HOUSTON TX 77004 WEATHERFORD GEMOCO PO BOX 200098 HOUSTON TX 77216 WEATHERFORD INTERNATIONAL, INC. P. O. BOX 200019 HOUSTON TX 77216-0019 WEATHERFORD US LP PO BOX 200019 HOUSTON TX 77216-0019 WELL CONTROL SCHOOL 8032 MAIN STREET HOUMA LA 70360 WELL SITE SERVICES WELLPOINT SYSTEMS, INC. #2000 500-4TH AVE SW CALGARY AB T2P 0J6 CANADA WELLSTAR CORPORATION 11990 GRANT, STE 200 NORTHGLENN CO 80233 In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 57 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 70 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country WELLTEC INC. PO BOX 3352 HOUSTON TX 77253 WELLTEC, U.S. INC. WELLTEC INC. PO BOX 3352 HOUSTON TX 77253 WEST CAMERON DEHYDRATION COMPANY, L.L.C. 6110 PAYSPHERE CIRCLE CHICAGO IL 60674 WEST CAMERON WEST CAMERON DEHYDRATION COMPANY, DEHYDRATION COMPANY, L.L.C. L.L.C 6110 PAYSPHERE CIRCLE CHICAGO IL 60674 WEST ENGINEERING SERVICES P. O. BOX 577 BROOKSHIRE TX 77423 WESTCREEK AT RIVER OAKS APTS 2049 WESTCREEK LANE HOUSTON TX 77027 WESTERN GECO L.L.C. CHASE BANK OF TEXAS POST OFFICE BOX 200815 HOUSTON TX 77216-0815 WESTPORT OIL & GAS COMPANY, LP 410 17TH ST, STE 2300 DENVER CO 80202 WET TECH ENERGY INC PO BOX 310 MILTON LA 70558-0310 WHITCO PUMP & EQUIPMENT LLC PO BOX 82531 LAFAYETTE LA 70598 WHITCO SUPPLY 200 N. MORGAN AVE. BROUSSARD LA 70518 WHITE LIGHTNING HOTSHOTS, INC. PO BOX 1237 CATOOSA OK 74015 12941 NORTH FREEWAY, STE WHITE OAK ENERGY, LLC 206 HOUSTON TX 77060

WHITE WING INSPECTION, INC. 106 FOREST RD. AMELIA LA 70340 WHITESIDE REVOCABLE KENNETH D WHITESIDE, TRUST TRUSTEE 5314 VALLEYVIEW CREEK CT SPRINT TX 77379 WILBUR H. BICKHAM C/O SCHEUERMANN & JONES LAWRENCE BLAKE JONES 701 POYDRAS ST SUITE 4100 NEW ORLEANS LA 70139 WILD WELL CONTROL, INC. P. O. BOX 62600 DEPARTMENT 1261 NEW ORLEANS LA 70162-2600 WILLIAM CLAY HARMON & ANN CO-TRUSTEES OF THE S HARMON HARMON FAMILY REVOCABLE LIVING TRUST 15 TURTLE COVE COURT KINGWOOD TX 77346 WILLIAMS FIELD SERVICES MARKHAM PROCESSING FACILITY P. O. BOX 730157 DALLAS TX 75373-0157 WILLIAMS GAS MARKETING, ATTN WILLIAMS GAS & POWER INC OPER ACCTG PO BOX 2400 TULSA OK 74102-2400 WILSON SUPPLY P. O. BOX 200822 DALLAS TX 75320-0822 W-INDUSTRIES PO BOX 845602 DALLAS TX 75284-5602

WIRELINE CONSULTANTS, INC. 314 TIPPERARY DR MILAM TX 75959-3408

WIRELINE CONTROL SYSTEMS PO BOX 201300 DALLAS TX 75320-1300 WIRELINE SPECIALISTS OF LA, INC. 118 THRUWAY PARK RD BROUSSARD LA 70518-3602 WISE WELL INTERVENTION SERVICES, INC. 919 MILAM SUITE 2020 HOUSTON TX 77002 WJP ENTERPRISES ATTN WANDA PARKER 1441 BAFFIN BAY PLANO TX 75075 WOLTERS KLUWER LAW & BUSINESS 4829 INNOVATION WAY CHICAGO IL 60682-0048 WOOD GROUP DRILLING WOOD GROUP L.I.T. USA PRODUCTS PO BOX 200492 HOUSTON TX 77216-0492 LOCKBOX # 203526 PO BOX WOOD GROUP L.I.T. USA INC. 203526 DALLAS TX 75320-3526 WOOD GROUP PRESSURE P. O. BOX 911776 DALLAS TX 75391-1776 WOOD GROUP PRODUCTION SERVICES, INC. P. O. BOX 203377 HOUSTON TX 77216-3377 WOODALLEN PHOTOGRAPHY 724 TIRRELL ST. HOUSTON TX 77019

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 58 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 71 of 84

Exhibit D Creditor Matrix Served via First Class Mail

CreditorName CreditorNoticeName Address1 Address2 Address3 City State Zip Country WORKFORCE SUBSCRIBER SERVICES PO BOX 7823 CHICAGO IL 60680-9824 WORKOVER EQUIPMENT RENTAL PO BOX 61805 LAFAYETTE LA 70596-1805 WORKOVER EQUIPMENT WORKOVER EQUIPMENT RENTAL COMPANY RENTAL PO BOX 61805 LAFAYETTE LA 70596-1805 WORKSTRINGS, LLC 1150 SMEDE HWY BROUSSARD LA 70518 WORLD OILMANS TENNIS TOURNAMENT 675 BERING DRIVE SUITE 250 HOUSTON TX 77057 WORTHAM PO BOX 203734 HOUSTON TX 77216-3734 WORTHAM INSURANCE WORTHAM PO BOX 203734 HOUSTON TX 77216-3734

WRIGHT & PERCY INSURANCE 4041 ESSEN LANE STE 400 BATON ROUGE LA 70809 WS DAVIS 1008 HUDSON ST KENNER LA 70112 19747 HWY 59 NORTH SUITE WWCS, LLC. 300 HUMBLE TX 77338 WYNN-CROSBY 1997 LTD PO BOX 30840 LOS ANGELES CA 90030-0840 XL DUBLIN LA TOUCHE HOUSE I.F.S.C. DUBLIN 1 IRELAND XL LONDON MARKET LTD XL HOUSE 70 GRACECHURCH STREET LONDON EC3V 0XL UNITED KINGDOM XL SPECIALTY INSURANCE COMPANY 70 SEAVIEW AVENUE STAMFORD CT 06902-6040 XL SYSTEMS, L.P. PO BOX 202629 DALLAS TX 75320-2629 XTO ENERGY 810 HOUSTON ST FORT WORTH TX 76102-6298

XTREME SERVICE GROUP, INC 2806 SOUTHWEST DR NEW IBERIA LA 70560-8347

XTREME SERVICE GROUP, INC. 2806 SOUTHWEST DR. NEW IBERIA LA 70560 YVETTE PENA 2850 OAK RD # 5102 PEARLAND TX 77584 ZBYTE DATA SERVICES 475 17TH STREET STE 600 DENVER CO 80202 ZEE PLASTICS, INC. 6411 BRIARSTONE LANE SPRING TX 77379 ZEUS DEVELOPMENT CORPORATION 2424 WILCREST SUITE 250 HOUSTON TX 77042

In re ATP Oil Gas Corporation, Case No. 12-36187 (Isgur) Page 59 of 59 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 72 of 84

EXHIBIT E

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 73 of 84

Exhibit E Served via First Class Mail

Name NoticeName Address1 Address2 Address3 City State Zip Country ABN AMRO Clearing Chicago LLC CPM Sue Nowicki 175 W Jackson Blvd Ste 400 Chicago IL 60604 ABN AMRO Clearing Chicago LLC Portfo Sue Nowicki 175 W Jackson Blvd Ste 400 Chicago IL 60604 Amalgamated Bank Stephen Erb 275 7th Ave 9th Fl New York NY 10001 Amalgamated Bank of Chicago Luz Cruz One West Monroe Chicago IL 60603 American Enterprise Investment Services Rebecca Strand 2178 AMP Financial Center Minneapolis MN 55474 Ameriprise Mike Kohler 2178 Ameriprise Financial Center Minneapolis MN 55474 Baird Robert W & Co Incorporated Dean Markofski 777 E Ave Milwaukee WI 53202 Banc of Americas Securities LLC John Dolan 222 Broadway 27th Fl MC NY3 222 27 01 New York NY 10038 Bank of America Lasalle Bank NA George Earl 135 South LaSalle St Ste 1860 Chicago IL 60603 Bank of America National Association Carla V Brooks 411 N Akard 5th Fl Dallas TX 75201 Barclays Bank Inc LE Giovanna Laurella 70 Hudson St 7th Fl Jersey City NJ 07302-0000 Barclays Capital Inc Barclays Capital Nellie Foo 200 Cedar Knolls Rd Whippany NJ 07981-0000 BMO Nesbitt Burns Inc Louise Torangeau 1 First Canadian Place 13th Fl PO Box 150 Toronto ON M5X 1H3 CANADA BNP Paribas NY Branch BNP PAR Roger Meyer 525 Washington Blvd 9th Floor Jersey City NJ 07310 BNP Paribas Prime Brokerage Inc Chris Felicetti 525 Washington Blvd 9th Floor Jersey City NJ 07310 BNP Paribas Securities Corp Creighton Douglass 555 Croton Rd King of Prussia PA 19406 BNY Mellon JW Giddens Trustee Liq Lehman Bros Michael Kania 525 William Penn Pl Rm 300 Pittsburgh PA 15259 Branch Banking & Trust Co Tanji Bass 223 W Nash St 3rd Fl Wilson NC 27893 Brown Brothers Harriman & Co Dorota Malkiewicz 525 Washington Blvd New Port Towers Jersey City NJ 07302-0000 Brown Brothers Harriman & Co ETF Sheldon Broutman 140 Broadway New York NY 10005 Caja de Valores SA Melina Bobbio Ave 25 de Mayo 362 Buenos Aires C1002ABH ARGENTINA Canaccord Capital Corporation Aaron Caughlan 609 2200 Granville St Vancouver BC V7Y 1H2 CANADA Cavali ICLV SA Francis Stenning Pasaje Santiago Acufia N 106 Lima 0-1 PERU CDS Clearing and Depository Services Loretta Verelli 600 de Maisonneuve Blvd W Ste 210 Montreal QC H3A 3J2 CANADA Charles Schwab & Co Inc Debbie Jung 2423 E Lincoln Dr PHX PEAK 02 K130 Phoenix AZ 85016 CIBC World Markets Inc Patricia Neath 161 Bay St 10th Fl Toronto ON M5J 258 CANADA Citadel DG Marcia Banks 101 S Dearborn St Chicago IL 60603 Citibank NA Sandra Hernandez 3800 Citibank Center B3 12 Tampa FL 33610 Citibank The Citigroup Private Bank Stephanie Luckey 333 W 34th St 3rd Fl New York NY 10001 Citigroup Global Markets Inc Patricia Haller 111 Wall St 6th Fl New York NY 10005 Clearview Correspondent Services LLC Linda Miller 8006 Discovery Dr Richmond VA 23229 Comerica Bank Gloria Imhoff 411 West Lafayette Mail Code 3530 Detroit MI 48226 Commerce Bank of Kansas City N A Cindy Lawrence 928 Walnut Mail Stop TBTS 2 Kansas City MO 64106 Commerz Bank Chris Southwick 1301 Ave of the Americas New York NY 10019 Credit Suisse Securities USA LLC Adam Miranda 1 Madison Ave 2nd Fl New York NY 10010 CREST International Nominees Limited Nathan Ashworth 33 Cannon St London EC4M 5SB UNITED KINGDOM Crews & Associates Inc Don Winton 521 President Ave Ste 800 Little Rock AR 72201 Crowell Weedon & Co Lee Chang 624 S Grand Ave Ste 2510 Los Angeles CA 90017 Custodial Trust Co Dawn Eike 14201 Dallas Pkwy Dallas TX 75254 D A Davidson & Co Niki Garrity PO Box 5015 Great Falls MT 59403 Davenport & Company LLC Kim Nieding 901 E Cary St 12th Fl Richmond VA 23219 Desjardins Securities Inc Karla Diaz 2 Complexe Desjardins Tour Est Nirveau 62 E1 22QC Montreal QC H5B 1J2 CANADA Deutsche Bank AG NY CEDEAR John Binder 100 Plaza One 2nd Fl Jersey City NJ 07311 Deutsche Bank Securities Inc Ira Kovins Harborside Financial Center 100 Plaza One 2nd Floor Corporate Actions Department Jersey City NJ 07311-0000 Edward D Jones & Co Nick Hummell 12555 Manchester Rd CADD Dept St Louis MO 63131 ETrade Clearing LLC Matt Freifeld 1981 Marcus Ave Ste 100 Lake Success NY 11042 Fidelity Clearing Canada ULC CDS Steve Adams 401 Bay St Ste 2910 Toronto ON M5H 2Y4 CANADA Fiduciary SSB Kelly Eagan 1776 Heritage Dr North Quincy MA 02171 Fifth Third Bank Lance Wells 38 Fountain Square Plaza Mail Drop 1090F1 Cinncinnati OH 45263 First Clearing LLC Finessa Rosson One North Jefferson St Louis MO 63103 First Southwest Co Misty Thacker 325 N St Paul Ste 800 Dallas TX 75201 Folio FN Investments Inc Ashley Theobald 8180 Greensboro Dr 8th Fl McLean VA 22102 Fortis Clearing Americas LLC Caryn Dombrowski 175 W Jackson Blvd Ste 400 Chicago IL 60605 Glenmede Trust Company NA The Darlene Warren One Liberty Place Ste 1200 1650 Market Street Philadelphia PA 19103 GlobalSecurities Corp Joya Baba 3 Bentall Centre 595 Burrard St 11th Fl Vancouver BC V6Z 1V4 CANADA GMP Securities LP Terry Young 145 King St West Ste 1100 Toronto ON M5H 1J8 CANADA Goldman Sachs & Co Gloria Lio 30 Hudson St Jersey City NJ 07302-4699 Goldman Sachs Execution & Clearing Anthony Bruno 30 Hudson St Jersey City NJ 07302-4699 Goldman Sachs International Vanessa Camardo 30 Hudson St Jersey City NJ 07302-4699 Haywood Securities Inc Tracy College 400 Burrard St Ste 2000 Vancouver BC V6C 3A6 CANADA

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 1 of 3 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 74 of 84

Exhibit E Served via First Class Mail

Name NoticeName Address1 Address2 Address3 City State Zip Country HSBC Securities USA Inc Chris Armato 1 West 39th St New York NY 10018 Huntington National Bank Debra Bailey Easton Oval EA4E69 Columbus OH 43219 Ingalls & Snyder LLC Michael Scura 61 Broadway 31st Floor New York NY 10006 Interactive Broker Retail Equity Clearing Ken Hayden 2 Pickwick Plz 2nd Fl Greenwich CT 06830-0000 J P Morgan Clearing Corp Eric Oszustowicz 3 Chase Metrotech Center Brooklyn NY 11245-0001 James I Black & Co Jess G Tucker 311 S Florida Ave Lakeland FL 33801 Janney Montgomery Scott LLC Michael Tse 1801 Market St 9th Fl Philadelphia PA 19103 Jefferies & Co Inc Joseph Porcello Harborside Financial Center 705 Plaza 3 Jersey City NJ 07311-0000 JJB Hilliard WL Lyons Inc Richard Gelles 500 W Jackson St Ste 700 Louisville KY 40202 JP Morgan Chase Bank Treasurer of Sta Philip Roy 14201 Dallas Pkwy Fl 12 Dallas TX 75254 JPMorgan Chase Bank IA Sanjay Ghuliani Paradigm B Wing Floor 6 Mindspace Malad W Mumbai 400 064 10000 INDIA JPMorgan Chase Bank NA Reorg Dept 14201 Dallas Parkway Dallas TX 75254 JPMorgan Chase Bank PCS Shared Services Chris Buck 340 South Cleveland Ave Bldg 350 Westerville OH 43081 JPMorgan Chase Bank RBS Nore Scarlett 4 New York Plaza 21st Fl New York NY 10004 Keybank National Association Karen Bednarski 4900 Tiedman Mail Code OH 01 49 0230 Brooklyn OH 44114 Knight Clearing Services LLC Anna Rossi 545 Washington Blvd Jersey City NJ 07310 Koonce Securities Inc G Sohan 6550 Rock Spring Dr Ste 600 Bethesda MD 20817 Laurentian Bank of Canada Sarah Quesnel 1981 McGill College Ave Ste 100 Montreal QC H3A 3K3 CANADA Lazard Capital Markets LLC Stewart Suchotliss 30 Rockefeller Plaza 19th Fl New York NY 10020 Legent Clearing Stephanie Fitzhenry 109 North 5th St Saddle Brook NJ 07663-0000 LEK Securities Corporation Daniel Hanuka 140 Broadway 29th Fl New York NY 10005 LPL Financial Corporation Martha Strahan 2810 Coliseum Centre Dr 2nd Fl Charlotte NC 28217 M&I Marshall & Ilsley Bank Reorg Dept 11270 West Park Place Ste 400 Milwaukee WI 53224 Manufacturers and Traders Trust Co Stephen Schmidt 1 M & T Plaza 8th Fl Buffalo NY 14203 Manulife Securities Incorporated Joseph Chau 85 Richmond St West Toonto ON M5H 2C9 CANADA Merrill Lynch Pierce Fenner & Smith Corp Actions Notifications Jax Corporate Action Department 4804 Deer Lake Drive East 4th Fl Bldg 3 Jacksonville FL 32246 Merrill Lynch Pierce Fenner & Smith Veronica ONeil 101 Hudson St 8th Fl Jersey City NJ 07302-0000 Merrill Lynch Pierce Fenner & Smith Corp Actions Notifications Jax Corporate Action Department 4804 Deer Lake Drive East 4th Fl Bldg 3 Jacksonville FL 32246 Merrill Lynch Pierce Fenner & Smith Michael Nigro 101 Hudson St Jersey City NJ 07302 Mesirow Financial Inc Anna Solous 353 N Clark St 2nd Fl Chicago IL 60610 Mizuho Trust & Banking Co Robert Kowalewski 666 Fifth Ave New York NY 10103 Morgan Keegan & Co Inc Carol Antley 50 North Front St Memphis TN 38103 Morgan Stanley & Co Inc Michelle Ford 1300 Thames Street 7th Floor Baltimore MD 21231 Morgan Stanley International Limited Dan Spadaccini 901 S Bond St 6th Fl Baltimore MD 21231 Morgan Stanley Smith Barney Suzanne Mundle Harborside Financial Center 230 Plaza Three 6th Fl Jersey City NJ 07311 Morgan Stanley Trust Natl Association Jonathan Goldman 919 N Market St Wilmington DE 19801 MS Securities Services Inc Michelle Ford 1300 Thames Street 7th Floor Baltimore MD 21231 National Financial Services Lou Trezza 200 Liberty St New York NY 10281 NBCN Inc Louise Normandin 1010 de la Gauchetiere St West Mezzanine 100 Montreal QC H3B 5J2 CANADA Newedge USA LLC Equity Clrg Div Jay Spitzer 630 Fifth Avenue Ste 500 New York NY 10111 Nomura Securities International Inc Affiliate PB Michael Tharle 2 World Financial Center 6th Floor Proxy Dept New York NY 10281 Odlum Brown Ltd CDS Ron Rak 250 Howe St Ste 1100 Vancouver BC V6C 3S9 CANADA Oppenheimer & Co Inc Oscar Mazario 125 Broad St 15th Fl New York NY 10004 Optionsxpress Inc Richard Trinh 311 W Monroe St Ste 1000 Chicago IL 60606 Penson Financial Services Inc Robert McPhearson 330 Bay St Ste 711 Toronto ON M5H 2S8 CANADA People Securities Inc Ed Kruska 850 Main St 2nd Fl Bridgeport CT 06604 Pershing LLC Securities Corporation Al Hernandez 1 Pershing Plaza Jersey City NJ 07399-0000 PNC Bank NA Eileen Blake 8800 Tinicum Blvd MS F6 F266 02 2 Philadelphia PA 19153 Primevest Financial Services Inc Angela Handeland 400 1st St South Ste 300 St Cloud MN 56301 Qtrade Securities Inc Joseph Chau Ste 1920 One Bentall Centre 505 Burrard St Vancouver BC V7X 1M6 CANADA Raymond James & Associates Inc Tracey Goodwin 880 Carillion Pkwy St Petersburg FL 33733 Raymond James Ltd CDS Aaron Steinberg 333 Seymour St Ste 800 Vancouver BC V6B 5A6 CANADA RBC Capital Markets Corporation Tara Olmanson 510 Marquette Ave South Minneapolis MN 55402 RBC Dominion Securities Inc Donald Garcia 200 Bay St Royal Bk Plaza North Tower 6th Fl Toronto ON M5J 2J5 CANADA RBS Securities Jeff Black 600 Washington Blvd Stamford CT 06901 Regions Bank Cecily Barnett Trust Ops Reorg 250 Riverchase Parkway East Birmingham AL 35244 Research Capital Corporation Tony Rodrigues Ernst & Young Tower Ste 1500 222 Bay St Toronto ON M5K 1J5 CANADA Ridge Clearing & Outsourcing Solutions Matt Freifeld 1981 Marcus Ave Ste 100 Lake Success NY 11042 Royal Bank of Canada Royal Trust 1C Arlene Agnew 200 Bay St Toronto ON M5J 2W7 CANADA Royal Bank of Canada Royal Trust CDS 200 Bay St Toronto ON M5J 2W7 CANADA

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 2 of 3 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 75 of 84

Exhibit E Served via First Class Mail

Name NoticeName Address1 Address2 Address3 City State Zip Country Sanford C Bernstein & Co LLC Tiffany Harris One North Lexington Ave White Plains NY 10601 Scotia Capital Inc Normita Ramirez 40 King St West 23rd Fl Toronto ON M5H 1H1 CANADA Scottrade Inc Terri Losche 12855 Flushing Meadows Dr St Louis MO 63131 SEI Private Trust Co Jeff Hess One Freedom Valley Drive Oaks PA 19456 Southwest Securities Inc Christina Finzen 1201 Elm St Ste 3700 Dallas TX 75270 SSB IBT BGI Trina Estremera Corp Actions JAB5E 1776 Heritage Dr North Quincy MA 02171-0000 SSB SPDRs Joseph J Callahan Global Corp Action Dept JAB5W PO Box 1631 Boston MA 02105-1631 SSB Trust Custody Ed Chaney 1200 Crown Colony Dr Quincy MA 02169-0000 SSB&T Co Client Cust Services Myriam Piervil 1776 Heritage Dr North Quincy MA 02171 State Street Bank & Trust Co Myriam Piervil Corp Actions JAB5E 1776 Heritage Dr North Quincy MA 02171-0000 State Street Bank & Trust Co Michael Kania 525 William Penn Place Pittsburgh PA 15259 Stephens Inc Linda Thompson 111 Center St 4th Fl Little Rock AR 72201 Sterne Agee & Leach Inc Andrew Mears Two Perimeter Park S Ste 100W Birmingham AL 35243 Stifel Nicolaus & Co Inc Chris Wiegand 501 N Broadway 7th Fl St Louis MO 63102 Stockcross Financial Services Inc Eleanor Pimentel 77 Summer St 3rd Fl Boston MA 02210-0000 Suntrust Bank Ophelia Harris PO Box 105504 Center 3141 Atlanta GA 30348-5504 Sweney Cartwright & Co Laura Chapman 17 S High St Rm 300 Columbus OH 43215 TD Ameritrade Clearing Inc Mandi Foster 1005 Ameritrade Pl Bellevue NE 68005 TD Waterhouse Canada Inc Beverly Adams 60 North Windplace Scarborough ON M1S 3A7 CANADA The Bank of New York Charles Michael Kania 525 William Penn Pl Rm 300 Pittsburgh PA 15259 The Bank of New York Mellon Commerzb Michael Kania 525 William Penn Pl Rm 300 Pittsburgh PA 15259 The Bank of New York Mellon SPDR Michael Kania 525 William Penn Pl Rm 300 Pittsburgh PA 15259 The Bank of New York Mellon WINTERFL Michael Kania 525 William Penn Pl Rm 300 Pittsburgh PA 15259 TradeStation Group Inc Herbert Walton 8050 SW 10th St Ste 4000 Plantation FL 33324 Tradition Asiel Securities Inc Emil Soldati 75 Park Place 4th Fl New York NY 10007 Trust Industrial Bank Brett Davis 717 17th St Ste 21 Denver CO 80202 Trustmark National Bank Ralph Clark 248 East Capital St Ste 580 Jackson MS 39201 UBS AG Stamford Branch as Custodian Michael Marciano 480 Washington Blvd Jersey City NJ 07310-0000 UBS Financial Services LLC Jane Flood 1200 Harbor Blvd Weehawken NJ 07086-0000 UBS Securities LLC John Malloy 480 Washington Blvd Jersey City NJ 07310-0000 UBS Securities LLC Securities Lending Joseph Somma 677 Washington Blvd Stamford CT 06902-0000 UMB Bank National Association Corporate Actions 928 Grand Blvd Kansas City MO 64106 Union Bank & Trust Co Tammy Engle c o Proxytrust PO Box 11126 Hauppauge NY 11788-0934 Union Bank of California NA Maria Bragge 350 California St 8th Fl San Francisco CA 94104 US Bancorp Investments Inc Christine Gregorich 60 Livingston Ave EP MN WN2H St Paul MN 55107-1419 US Bank NA Tim Randall MK WI S302 1555 N Rivercenter Dr Milwaukee WI 53212 USAA Investment Management Co Joyce Wilson 9800 Fredericksburg Rd San Antonio TX 78288 Vanguard Marketing Corporation Kevin Scully 100 Vanguard Blvd Malvern PA 19355 Vision Financial Markets LLC Anna Martinez 4 High Ridge Park Ste 100 Stamford CT 06905-1325 Wedbush Morgan Securities Inc Hermon Alem 1000 Wilshire Blvd Los Angeles CA 90017 Wells Fargo Bank National Association Kevin St Louis 733 Marquette Ave MAC N9306 057 5th Fl Minneapolis MN 55402 Wesbanco Bank Inc Cindy Bowman c o Trust Operations One Bank Plaza Wheeling WV 26003 William Blair & Co LLC Mariusz Niedbalec 222 West Adams St Chicago IL 60606

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 3 of 3 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 76 of 84

EXHIBIT F

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 77 of 84 Exhibit F Served via First Class Mail

Name NoticeName Address1 Address2 Address3 City State Zip Country BANCO BTG PACTUAL S A CAYMAN BRANCH ANSBACHER HOUSE PO BOX 500 GEORGE TOWN CAYMAN ISLANDS BLACKWELL PARTNERS LLC ENERGY MICRO CAPS 280 SOUTH MAGNUM ST STE 210 DURHAM NC 277013675 USA COVALENT CAPITAL PARTNERS RESERVOIR WOODS 930 MASTER FUND LP C O COVALENT PARTNERS LLC WINTER ST STE 2800 WALTHAM MA 2451 USA DOUGLAS A MIDLAND 1587 N COLONIAL TERRACE APT 303 ARLINGTON VA 22209 USA GF TRADING LLC C O RENAISSANCE LOWEST TAX LIABILITY EFF 3 1 TECHNOLOGIES LLC SALES OFFSET PRO RATA PRODUCING THE 2012 800 3RD AVE NEW YORK NY 10022 USA GPC 83 LLC C O P & S CREDIT MANAGEMENT LP 590 MADISON AVE 28TH FL NEW YORK NY 100222524 USA GRACIE CREDIT OPPORTUNITIES MASTER FUND LP C O P&S CREDIT MANAGEMENT LP 590 MADISON AVE 28TH FL NEW YORK NY 10022 USA C O P SCHOENFELD ASSET HFR ED GLOBAL MASTER TRUST MANAGEMENT LP 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 100194801 USA C O MILLENNIUM INTERNATIONAL INTEGRATED ASSETS II LLC MANAGEMENT LP 666 FIFTH AVE 8TH FL NEW YORK NY 10103 USA JOHN DORSEY ESQ IRA ROLLOVER MS & CO CUSTODIAN 714 MAIN ST PO BOX 228 BOONTON NJ 70051450 USA LO TSU CHUNG MARC 7 AMBER GARDENS #13 16 ONE AMBER SINGAPORE 439974 SINGAPORE LUXOR CAPITAL PARTNERS LP C O LUXOR CAPITAL GROUP 1114 AVE OF THE AMERICAS 29TH FL NEW YORK NY 10036 USA LUXOR CAPITAL PARTNERS OFFSHORE MASTER FUND LP C O LUXOR CAPITAL GROUP LP 1114 AVE OF THE AMERICAS 29TH FL NEW YORK NY 10036 USA LUXOR SPECTRUM LLC C O LUXOR CAPITAL GROUP LP 1114 AVE OF THE AMERICAS 29TH FL NEW YORK NY 10036 USA LUXOR SPECTRUM OFFSHORE MASTER FUND LP C O LUXOR CAPITAL GROUP LP 1114 AVE OF THE AMERICAS 29TH FL NEW YORK NY 10036 USA LUXOR WAVEFRONT LP C O LUXOR CAPITAL GROUP LP 1114 AVE OF THE AMERICAS 29TH FL NEW YORK NY 10036 USA C O P SCHOENFELD ASSET LYXOR PSAM WORLDARB FUND LTD MANAGEMENT LP 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA MANAGED ACCOUNTS MASTER FUND C O P SCHOENFELD ASSET SERVICES MAP 5 MANAGEMENT LP 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA MARVIN HAAS IRA MS & CO CUSTODIAN 91 CENTRAL PARK WEST NEW YORK NY 100234600 USA MR MARVIN HAAS 91 CENTRAL PARK WEST NEW YORK NY 100234600 USA P GRACIE LTD C O P&S CREDIT MANAGEMENT LP 590 MADISON AVE 28TH FL NEW YORK NY 10022 USA C O P SCHOENFELD ASSET PSAM WORLDARB MASTER FUND LTD MANAGEMENT LP 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA C O P SCHOENFELD ASSET PSAM WORLDARB MASTER FUND LTD MANAGEMENT LP 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA REBOUND PORTFOLIO LTD C O P SCHOENFELD ASSET MGMT LP ATTN JOHN VASALLO 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA RIEF RMP LLC C O RENAISSANCE SALES OFFS ET PRO RATA THE LOWE ST TAX LIABILITY TECHNOLOGIES LLC PRODUCING EFF 7 1 11 800 3RD AVE 33RD FL NEW YORK NY 10022 USA

RIEF TRADING LLC C O RENAISSAN CE LOWEST TAX LIABILITY EFF 6 1 TECHNOLOGIES LLC SALES OF FSET PRO RATA PRODUCING THE 11 800 3RD AVE NEW YORK NY 10022 USA SAMLYN OFFSHORE MASTER FUND AS OF 01 02 2009 C O SAMLYN LTD F K A SAMLYN OFFSHORE LTD CAPTIAL 500 PARK AVE 2ND FL NEW YORK NY 10022 USA SAMLYN ONSHORE FUND LP C O SAMLYN CAPITAL LLC 500 PARK AVE 2ND FL NEW YORK NY 10022 USA SAMLYN ONSHORE FUND LP C O SAMLYN CAPITAL LLC 500 PARK AVE 2ND FL NEW YORK NY 10022 USA SPARTAN PARTNERS L P C O P SCHOENFELD ASSET MNGT LP ATTN JOHN VASSALLO 1350 AVE OF THE AMERICAS 21ST FL NEW YORK NY 10019 USA STEP LLC 33 WHITHERSPOON ST 3RD FL PRINCETON NJ 85423209 USA THE TUDOR BVI GLOBAL PORTFOLIO LP VIK BANSAL C O TUDOR INVESTMENT CORP 1275 KING ST GREENWICH CT 68312936 USA

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 1 of 2 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 78 of 84 Exhibit F Served via First Class Mail

Name NoticeName Address1 Address2 Address3 City State Zip Country C O TUDOR INVESTMENT TUDOR GLOBAL FUND L P VIK BANSAL CORPORATION 1275 KING ST GREENWICH CT 6831 USA C O TWO SIGMA INVESTMENTS TWO SIGMA EQUITY PORTFOLIO LLC LLC 379 WEST BROADWAY NEW YORK NY 100124302 USA C O TWO SIGMA INVESTMENTS TWO SIGMA JUPITER PORTFOLIO LLC LLC 379 WEST BROADWAY NEW YORK NY 100124302 USA U S SCIENTIFIC ALPHA FUND B FOR TX EX & FORGN ORG US BLCKRCK INST TR CO NA INV FNDS SMALL CAP INTEREST 400 HOWARD ST SAN FRANCISCO CA 941052618 USA WDM INVESTMENTS COMPANY LP 6 AMPTHILL ROAD RICHMOND VA 232262233 USA WILSHIRE INSTITUTIONAL MASTER PSAM WORLDARB SEGREGATED C O P SCHOENFELD ASSET 1350 AVE OF THE FUND II SPC WILSHIRE PORTFOLIO MGMT AMERICAS 21ST FL NEW YORK NY 10019 USA

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 2 of 2 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 79 of 84

EXHIBIT G

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 80 of 84 Exhibit G Served via First Class Mail

Creditor Name Notice Name Address 1 Address 2 Address 3 City State Zip Country ALBERT L REESE JR 43 NORTH LAKEMIST HARBOUR THE WOODLANDS TX 77381-3344 ALBERT L REESE JR 43 N LAKEMIST HARBOUR THE WOODLANDS TX 77381-3344 AMY THOMASON 711 CORNWALL ROAD WINTER PARK FL 32792-4814 ANDREW H LOOMIS CUST SANDRA F LOOMIS UNDER THE MA UNIF TRAN MIN ACT 7 HUMISTON CIR WESTFORD MA 01886-4058 ANDREW H LOOMIS CUST MATTHEW H LOOMIS UNDER THE MA UNIF TRAN MIN ACT 7 HUMISTON CIR WESTFORD MA 01886-4058 ATP OIL & GAS CORP BOOK ENTRY TREASURY SHARES 4600 POST OAK PL HOUSTON TX 77027-9705 BRUCE J TSCHIRGI 8227 RYAN PARK HOUSTON TX 77095-2914 BRYAN KNIGHT MCCARTY & LINDA HIGGINS MCCARTY JT TEN BOX 3270 BRENTWOOD TN 37024-3270 CARYL R REESE & ALBERT L REESE JT WROS 43 N LAKEMIST HARBOUR SPRING TX 77381-3344 CEDE & CO (FAST ACCOUNT) PO BOX 20 BOWLING GREEN STATION NEW YORK NY 10004-1408 CLARENCE MAYER 109 NORTH POST OAK LANE STE 350 HOUSTON TX 77024-7769 DAVID B MOON & TANYA Y MOON JT TEN 445 OFFICERS CIRCLE W ROBINS AFB GA 31098-1215 DAVID JAMES BULMANN 633 SAILFISH RD WINTER SPRINGS FL 32708-3115 DONALD K CULLEN 2607 NORTHBROOK LONGVIEW TX 75605-2325 DORIS SMITH BATCHELDER & DONALD ROBERT BATCHELDER JT TEN 845 JONES CREEK RD BRADFORDSVILLE KY 40009-8524 DOROTHY MAE WEIR 4895 GOTHIC HILL RD LOCKPORT NY 14094-9701 DRU SCHOENBORN 508 CONEWANGO AVE WARREN PA 16365-1502 FRANCES MANN 4112 RAIN RIDGE DR SAINT LOUIS MO 63125-1331 GARY E SCHELL 915 SE SKYLARK ST PULLMAN WA 99163-2427 GREGORY SHEETS 3832 FOREST AVE NORWOOD OH 45212-3929 IRMA K LIST 20260 SW SEIFFERT ROAD SHERWOOD OR 97140-7309 JEFFERY A DAVIDSON & AMELIA V DAVIDSON JT TEN 24211 SCHIVENER HOUSE LN KATY TX 77493-2656 JOHN E ROSS 62341 INSTITUTE RD LORE CITY OH 43755-9618 JOHN H HARDING JR BOX 44 BURGESS VA 22432-0044 JOSEPHINE ANN MEYERS 7319 ELMWOOD AVE MIDDLETON WI 53562-3103 JUDITH PACKARD 460 S BURNETT BAYTOWN TX 77520-1527 KARL W WILLIAMS 8017 JOHN T WHITE RD FORT WORTH TX 76120-3611 KENNETH HART JR & BECKY HART MARITAL PROPERTY 14124 116TH AVE E PUYALLUP WA 98374-4723 KENNETH N MUNN 4603 IRELAND LN PASADENA TX 77505-4147 LARRY L STOUT & PHYLLIS A STOUT JT TEN 2909 E IMPERIAL LN MUNCIE IN 47302-7505 LISA CREWS BLOWERS 3810 SAN JUAN ST TAMPA FL 33629-7801 MARSHALL WOLF BOX 730 STATION A TORONTO ON M5W 1G2 CANADA MAURICE HENRY DAWES 23215 APPLE RD WATERFORD WI 53185-3805 MILES L LASSER 192 ALDREN AVENUE JAMESTOWN NY 14701-1802 MYRON ARTHUR DIFTLER PHD 15002 RADWELL CT HOUSTON TX 77062-2552 ORPHA J WEBER 1823 WESTMINSTER COURT LAKELAND FL 33809-6824 ORPHA JUNE WEBER 1823 WESTMINSTER COURT LAKELAND FL 33809-6824 PEI-SHAN HUANG 734 INTERNATIONAL BLVD 52 HOUSTON TX 77024-3525 RITA L WIESE 5021 NW 66TH STREET KANSAS CITY MO 64151-1950 ROBERT F PEAKE 23276 S PONTE DR 201 LAGUNA HILLS CA 92653-1485 ROBERT J KAROW 7008 SW 30TH WAY GAINESVILLE FL 32608-5235 SARA ROBINSON 1460 AUBURN GREEN LOOP WINTER PARK FL 32792-6182 SCOTTCO SALES LORI BRENNER SOLE PROPRIETOR 283 E MAIN ST PORT JERVIS NY 12771-2209 SHRIDHAR CHALLA 574 MEADOWRIDGE DR TALLAHASSEE FL 32312-1575 T PAUL BULMAHN 10110 WILLOWGROVE DRIVE HOUSTON TX 77035-3420 T PAUL BULMAHN 5290 NW 130TH AVENUE OCALA FL 34482-1712 THE ACR FOUNDATION C/O AL REESE JR 43 N LAKEMIST HARBOUR SPRING TX 77381-3344 WILLIAM G WENDLANDT CUST CAMRYN WENDLANDT UNDER THE TX UNIF GIFT MIN ACT 1115 WESTLAKE DR AUSTIN TX 78746-4513 WILLIAM G WENDLANDT CUST SHEA WENDLANDT UNDER THE TX UNIF GIFT MIN ACT 1115 WESTLAKE DR AUSTIN TX 78746-4513 WILLIAM JOHN GRIFFIN & WAYNE LEE CALHOUN JT TEN 103 CARSON DUMAS TX 79029-3515 WILLIAM WRIGHT 55 CANTERBURY ROAD WE 47A JAMESTOWN NY 14701-4462

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 1 of 1 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 81 of 84

EXHIBIT H

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 82 of 84 Exhibit H Served via Overnight Mail

Name NoticeName Address1 Address2 City State Zip BNY Mellon Maria Sasinoski 525 William Penn Pl Rm 300 Pittsburgh PA 15259 Broadridge Receiving Dept 51 Mercedes Way Jobs N58703 N58704 Edgewood NY 11717 Depository Trust Company Horace Daley 55 Water Street 25th Floor New York NY 10004 Mediant Communications Stephanie Fitzhenry 109 N 5th St Saddle Brook NJ 07663 Northern Trust Co Stella Castaneda 801 S Canal St Attn Capital Structures C1N Chicago IL 60607 State Street Bank and Trust Co Sandra Polizio Corp Actions JAB5E 1776 Heritage Dr North Quincy MA 02171-0000 The Bank of New York Mellon Beth Stiffler 525 William Penn Pl Rm 300 Pittsburgh PA 15259

In re: ATP Oil Gas Corporation, et al. Case No. 12-36187 Page 1 of 1 9/19/2012 Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 83 of 84

EXHIBIT I

Case 12-36187 Document 454 Filed in TXSB on 09/24/12 Page 84 of 84 Exhibit I

Issuer Description CUSIP ISIN ATP Oil & Gas Corp 11.875% 2nd Lien Notes 00208J AE 8 US00208JAE82 ATP Oil & Gas Corp 11.875% 2nd Lien Notes (144A) 00208J AC 2 US00208JAC27 ATP Oil & Gas Corp 11.875% 2nd Lien Notes (Reg S) U04889 AB 4 USU04889AB40 ATP Oil & Gas Corp 8% Perpetual Preferred (Series B) 00208J 80 1 US00208J8018 ATP Oil & Gas Corp 8% Perpetual Preferred (Series 144A) 00208J 70 2 ATP Oil & Gas Corp Common Stock 00208J 10 8 US00208J1088

In re: ATP Oil Gas Corp. Case No. 12-36187 Page 1 of 1 9/19/2012