ATPGQ / ATP Oil & Gas Corp. - Preferred Stock - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

ATP Oil & Gas Corp. - Preferred Stock
US ˙ OTCPK ˙ US00208J7028
DENNA SYMBOL ÄR INTE LÄNGRE AKTIV

Grundläggande statistik
CIK 1123647
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to ATP Oil & Gas Corp. - Preferred Stock
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
January 31, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: January 29, 2014 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpora

January 27, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: January 20, 2014 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpora

November 8, 2013 8-K

Financial Statements and Exhibits, Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: November 1, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Texas 001-32647 76-0362774 (State or other jurisdiction of incorporation or organization) Co

November 8, 2013 EX-10.1

ASSET PURCHASE AGREEMENT BY AND BETWEEN ATP OIL & GAS CORPORATION AS SELLER CREDIT SUISSE AG AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.01 Defined Terms 2 Section 1.02 Interpretation 16 ARTIC

EX-10.1 Exhibit 10.1 EXECUTION VERSION ASSET PURCHASE AGREEMENT BY AND BETWEEN ATP OIL & GAS CORPORATION AS SELLER AND CREDIT SUISSE AG AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.01 Defined Terms 2 Section 1.02 Interpretation 16 ARTICLE II ASSETS 17 Section 2.01 Agreement to Sell and Purchase 17 Section 2.02 Assets 17 Section 2.03 Excluded

November 8, 2013 EX-99.1

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

EX-99.1 Exhibit 99.1 IN THE UNITED STATES BANKRUPTCY COURT SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION ENTERED 10/17/2013 In re: § Chapter 11 § ATP Oil & Gas Corporation, § Case No.: 12-36187 § Debtor. § Hon. Marvin Isgur FINAL ORDER (A) APPROVING THE SALE OF CERTAIN OF THE DEBTOR’S ASSETS FREE AND CLEAR OF CLAIMS AND LIENS AND (B) APPROVING THE ASSUMPTION AND ASSIGNMENT OF CONTRACTS AND LEASES Up

November 8, 2013 EX-10.2

JOINDER AGREEMENT

EX-10.2 Exhibit 10.2 Execution Version JOINDER AGREEMENT This Joinder Agreement (this “Agreement”) is made and entered into this 29th day of October, 2013, by and among ATP Oil & Gas Corporation, a Texas corporation (“Seller”), Credit Suisse AG, exclusively in its capacity as administrative agent and collateral agent for the Lenders under the DIP Credit Agreement (the “Administrative Agent”), and

October 8, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: October 7, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporat

April 26, 2013 8-K

Financial Statements and Exhibits, Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: April 23, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporati

April 26, 2013 EX-99.1

United States Department of the Interior BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT Gulf of Mexico OCS Region 1201 Elmwood Park Boulevard New Orleans, LA 70123-2394

EX-99.1 Exhibit 99.1 United States Department of the Interior BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT Gulf of Mexico OCS Region 1201 Elmwood Park Boulevard New Orleans, LA 70123-2394 In Reply Refer To: GE 973E April 23, 2013 FEDERAL EXPRESS Mr. George Morris ATP Oil & Gas Corporation 4600 Post Oak Place, Suite 200 Houston, Texas 77027-9726 Dear Mr. Morris: ATP had until April 15, 2013 to ta

April 3, 2013 SC 13G

ATPGQ / ATP Oil & Gas Corp. / TAYLOR STEPHEN S - FORM SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* ATP OIL & GAS CORPORATION (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 00208J108 (CUSIP Number) March 27, 2013 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursua

March 15, 2013 8-K

Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: March 15, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporati

March 11, 2013 8-K

Financial Statements and Exhibits, Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: March 1, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Texas 001-32647 76-0362774 (State or other jurisdiction of incorporation or organization) (Comm

March 11, 2013 EX-99.1

IN THE UNITED STATES BANKRUPTCY COURT ^OTTTTTFRIV TYI^TTJTr’T OF

EX-99.1 2 d498935dex991.htm EX-99.1 Exhibit 99.1 IN THE UNITED STATES BANKRUPTCY COURT ^OTTTTTFRIV TYI^TTJTr’T OF TTVAC ENTERED urkTTCTrnv nivrcirw 03/01/2013 In re: § Chapter 11 § ATP Oil & Gas Corporation, § § Debtor. § Case No.: 12-36187 FINAL ORDER (1) ESTABLISHING PROCEDURES FOR THE PURCHASE, ACQUISITION OR OTHER ACCUMULATION OF EQUITY SECURITIES; (2) ESTABLISHING PROCEDURES FOR THE SALE, TRA

February 26, 2013 EX-99.2

CASE NAME: ATP Oil & Gas Corporation CASE NUMBER: 12-36187 COMPARATIVE BALANCE SHEETS ASSETS FILING DATE MONTH MONTH MONTH MONTH MONTH (1) MONTH 8/17/2012 8/31/2012 9/30/2012 10/31/2012 11/30/2012 12/31/2012 CURRENT ASSETS Cash $ 6,119,734 $ 47,144,8

EX-99.2 Exhibit 99.2 Case 12-36187 Document 1471 Filed in TXSB on 02/20/13 Page 1 of 11 CASE NAME: ATP Oil & Gas Corporation CASE NUMBER: 12-36187 COMPARATIVE BALANCE SHEETS ASSETS FILING DATE MONTH MONTH MONTH MONTH MONTH (1) MONTH 8/17/2012 8/31/2012 9/30/2012 10/31/2012 11/30/2012 12/31/2012 CURRENT ASSETS Cash $ 6,119,734 $ 47,144,872 $ 54,512,686 $ 39,600,277 $ 21,768,168 $ 27,461,947 Restric

February 26, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: February 20, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

February 26, 2013 EX-99.1

Case 12-36187 Document 1472 Filed in TXSB on 02/20/13 Page 1 of 11

EX-99.1 Exhibit 99.1 Case 12-36187 Document 1472 Filed in TXSB on 02/20/13 Page 1 of 11 CASE NAME: ATP Oil & Gas Corporation CASE NUMBER: 12-36187 COMPARATIVE BALANCE SHEETS ASSETS FILING DATE MONTH MONTH MONTH MONTH MONTH MONTH 8/17/2012 8/31/2012 9/30/2012 10/31/2012 11/30/2012 12/31/2012 1/31/2013 CURRENT ASSETS Cash $ 6,119,734 $ 47,144,872 $ 54,512,686 $ 39,600,277 $ 21,768,168 $ 27,461,947 $

February 19, 2013 EX-10.1

[Remainder of page intentionally left blank]

EX-10.1 Exhibit 10.1 AMENDMENT NO. 3 dated as of February 12, 2013 (this “Amendment”), to the Senior Secured Super Priority Priming Debtor in Possession Credit Agreement dated as of August 29, 2012 (as amended, supplemented or otherwise modified through the date hereof, the “Credit Agreement”), among ATP Oil & Gas Corporation, as debtor and debtor-in-possession (the “Borrower”), the Lenders from t

February 19, 2013 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: February 13, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

February 14, 2013 SC 13G/A

ATPGQ / ATP Oil & Gas Corp. / D. E. SHAW & CO, L.P. - AMENDMENT TO SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1) Under the Securities Exchange Act of 1934 ATP Oil & Gas Corporation (Name of Issuer) Common Stock, par value $0.001 (Title of Class of Securities) 00208J108 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the following box to designate the rule pursuant to which t

February 14, 2013 EX-1

POWER OF ATTORNEY FOR CERTAIN REGULATORY FILINGS INCLUDING CERTAIN FILINGS UNDER THE SECURITIES EXCHANGE ACT OF 1934 AND THE INVESTMENT ADVISERS ACT OF 1940

Exhibit 1 POWER OF ATTORNEY FOR CERTAIN REGULATORY FILINGS INCLUDING CERTAIN FILINGS UNDER THE SECURITIES EXCHANGE ACT OF 1934 AND THE INVESTMENT ADVISERS ACT OF 1940 I, David E.

January 31, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

Form 8-k UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: January 22, 2013 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpora

January 31, 2013 EX-99.1

EX-99.1

Monthly Operating Report Exhibit 99.1

January 3, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: December 28, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

December 26, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: December 20, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

December 26, 2012 EX-99.1

Case 12-36187 Document 1093 Filed in TXSB on 12/20/12 Page 1 of 11 MOR-1 UNITED STATES BANKRUPTCY COURT CASE NAME: ATP Oil & Gas Corporation PETITION DATE: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern PROPOSED PLAN DATE: To be determin

Monthly Operating Report Exhibit 99.1 Case 12-36187 Document 1093 Filed in TXSB on 12/20/12 Page 1 of 11 MOR-1 UNITED STATES BANKRUPTCY COURT CASE NAME: ATP Oil & Gas Corporation PETITION DATE: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern PROPOSED PLAN DATE: To be determined DIVISION: Houston MONTHLY OPERATING REPORT SUMMARY FOR NOVEMBER 2012 MONTH 8/17/12 to 8/31/12 9/30/2012 10/31

December 21, 2012 SC 13D

ATPGQ / ATP Oil & Gas Corp. / TAYLOR STEPHEN S - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 ATP OIL & GAS CORPORATION (Name of Issuer) COMMON STOCK ($0.01 PAR VALUE PER SHARE), (Title of Class of Securities) 00208J108 (CUSIP Number) Stephen S. Taylor, Jr. c/o Taylor Asset Management, Inc. 714 S. Dearborn St. 2nd Floor Chicago, IL 60605 Phone # (312) 583-0500 With

December 14, 2012 EX-99.1

Summary (1)

EX-99.1 2 d456135dex991.htm INTERNAL RESERVE REPORT Exhibit 99.1 ATP Oil & Gas Gulf of Mexico 10/1/12 Reserve Report Future Net Net Reserves Revenue PV-10 Oil & Gas Reserves MBbls MMcf MGals MMBoe ($000) ($000) Summary (1) Total Proved Included in Deepwater Package Telemark 30,298 26,734 86,073 36,803 $ 2,455,710 $ 1,585,780 Gomez 6,517 32,239 107,117 14,441 $ 489,354 $ 314,547 Clipper 5,189 13,67

December 14, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d456135d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: December 14, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jur

December 13, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: December 9, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporation or o

December 13, 2012 EX-10.1

- 1 -

Amendment No. 2 to Senior Secured Super Priority Priming Debtor Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 2 dated as of December 7, 2012 (this “Amendment”), to the Senior Secured Super Priority Priming Debtor in Possession Credit Agreement dated as of August 29, 2012 (as amended, supplemented or otherwise modified through the date hereof, the “Credit Agreement”), among ATP Oil & Gas Corporation

December 5, 2012 EX-10.1

Decommissioning Trust Agreement

EX-10.1 2 d448455dex101.htm DECOMMISSIONING TRUST AGREEMENT Exhibit 10.1 OCS-G27532 (High Island Block A-589) OCS-G24130 (Mississippi Canyon Block 942) OCS-G26078 (Ship Shoal Block 351) OCS-G19822 (Ship Shoal Block 358) OCS-G14518 (South Timbalier Block 48) OCS-G24786 (West Cameron Block 663) Decommissioning Trust Agreement This Decommissioning Trust Agreement (the “Agreement”), as amended, supple

December 5, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 d448455d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: November 29, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jur

December 5, 2012 EX-10.2

U.S. DEPARTMENT OF THE INTERIOR SETTLEMENT AGREEMENT

Settlement Agreement Exhibit 10.2 U.S. DEPARTMENT OF THE INTERIOR SETTLEMENT AGREEMENT This Settlement Agreement (this “Agreement”) is made by and between ATP Oil & Gas Corporation (“ATP” or “Debtor”) and the U.S. Department of the Interior (“Interior”), through the Bureau of Ocean Energy Management (“BOEM”) and the Bureau of Safety and Environmental Enforcement (“BSEE”). BOEM and BSEE are herein

November 30, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: November 30, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

November 30, 2012 EX-99.1

Summary

Internal Reserve Report Exhibit 99.1 10/1/12 Reserve Report ATP Oil & Gas Future Net Gulf of Mexico Net Reserves Revenue PV-10 Selected Oil & Gas Reserves MBbls MMcf MGals MMBoe ($000) ($000) Summary Proved Included in Shelf Package Breton Sound 45/52 0 4 — 1 $ 35 $ 32 High Island A 580/589 380 3,876 — 1,026 $ 20,746 $ 15,859 Main Pass 123 213 395 — 279 $ 15,624 $ 9,817 Ship Shoal 351/358 976 1,02

November 28, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: November 20, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpor

November 28, 2012 EX-99.1

MOR-1 case name: ATP Oil & Gas Corporation UNITED STATES BANKRUPTCY COURT PETITION DATE: DISTRICT OF TEXAS: DIVISION: 8/17/2012 CASE NUMBER: 12-36187 Southern proposed plan date: To be determined Houston MONTHLY OPERATING REPORT SUMMARY FOR OCTOBER 2

Monthly Operating Report Exhibit 99.1 MOR-1 case name: ATP Oil & Gas Corporation UNITED STATES BANKRUPTCY COURT PETITION DATE: DISTRICT OF TEXAS: DIVISION: 8/17/2012 CASE NUMBER: 12-36187 Southern proposed plan date: To be determined Houston MONTHLY OPERATING REPORT SUMMARY FOR OCTOBER 2012 MONTH 8/1 7/12 to 8/31/1 2 9/30/2012 10/31/2012 REVENUES (MOR-6) $ 17,962,067 $ 37,184,014 $ 36,306,806 INCO

November 9, 2012 NT 10-Q

- NOTIFICATION OF LATE FILING

NOTIFICATION OF LATE FILING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 5, 2012 EX-99.1

MOR-1 UNITED STATES BANKRUPTCY COURT case name: ATP Oil & Gas Corporation petition date: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern proposed plan date: To be determined division: Houston MONTHLY OPERATING REPORT SUMMARY FOR SEPTEMBER

September Monthly Operating Report Exhibit 99.1 MOR-1 UNITED STATES BANKRUPTCY COURT case name: ATP Oil & Gas Corporation petition date: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern proposed plan date: To be determined division: Houston MONTHLY OPERATING REPORT SUMMARY FOR SEPTEMBER 2012 MONTH 18/17/12 to 8/31/12 I 9/30/20121 I I I REVENUES (MOR-6) $ 17,962,067 $ 37,184,014 INCOME B

November 5, 2012 EX-99.2

MOR-1 UNITED STATES BANKRUPTCY COURT CASE NAME: ATP Oil & Gas Corporation PETITION DATE: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern proposed plan DATE: To be determined DIVISION: Houston AMENDED AND RESTATED—AMENDMENTS UNDERLINED MON

Amended August Monthly Operating Report Exhibit 99.2 MOR-1 UNITED STATES BANKRUPTCY COURT CASE NAME: ATP Oil & Gas Corporation PETITION DATE: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern proposed plan DATE: To be determined DIVISION: Houston AMENDED AND RESTATED—AMENDMENTS UNDERLINED MONTHLY OPERATING REPORT SUMMARY FOR AUGUST 2012 MONTH 18/17/12 to 8/31/12 I I I I I REVENUES (MOR-6

November 5, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: October 22, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpora

October 17, 2012 8-K

Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: October 11, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpora

September 27, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: September 21, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpo

September 27, 2012 EX-10.1

[Remainder of page intentionally left blank]

EX-10.1 2 d417978dex101.htm SENIOR SECURED SUPER PRIORITY PRIMING DEBTOR IN POSSESSION CREDIT AGREEMENT Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 1 dated as of September 21, 2012 (this “Amendment”), to the Senior Secured Super Priority Priming Debtor in Possession Credit Agreement dated as of August 29, 2012 (as amended, supplemented or otherwise modified through the date hereof, the “Credit Ag

September 26, 2012 EX-10.1

AGREEMENT ATP East Med Number 1 B.V., Moncrief Oil International Inc.

EX-10.1 2 d417288dex101.htm AGREEMENT BETWEEN ATP EAST MED NUMBER 1 B.V. AND MONCRIEF OIL INTERNATIONAL INC. Exhibit 10.1 AGREEMENT between ATP East Med Number 1 B.V., and Moncrief Oil International Inc. Company grants Investor the Right to purchase the Company Interests (defined below) on the terms set forth below, subject to any necessary consents under the operating agreements covering the Comp

September 26, 2012 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: September 20, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorpo

September 26, 2012 EX-99.2

UNITED STATES BANKRUPTCY COURT

EX-99.2 4 d417288dex992.htm MONTHLY OPERATING REPORT Exhibit 99.2 UNITED STATES BANKRUPTCY COURT MOR-1 CASE NAME: ATP Oil & Gas Corporation PETITION DATE: 8/17/2012 CASE NUMBER: 12-36187 DISTRICT OF TEXAS: Southern PROPOSED PLAN DATE: To be determined DIVISION: Houston MONTHLY OPERATING REPORT SUMMARY FOR MONTH YEAR MONTH 8/17/12 to 8/31/12 REVENUES (MOR-6) $ 17,962,067 0 0 0 0 0 INCOME BEFORE INT

September 26, 2012 EX-99.1

USA CASH FLOW FORECAST

EX-99.1 3 d417288dex991.htm PROJECTIONS Exhibit 99.1 ATP OIL & GAS 2012 PLAN - MONTHLY 8/31/2012 9/30/2012 10/31/2012 11/30/2012 12/31/2012 1/31/2013 2/28/2013 3/31/2013 4/30/2013 5/31/2013 USA CASH FLOW FORECAST 8/20/2012 9/1/2012 10/1/2012 11/1/2012 12/1/2012 1/1/2013 2/1/2013 3/1/2013 4/1/2013 5/1/2013 BEGINNING CASH BALANCE $ 6,223 $ 47,157 $ 39,753 $ 27,604 $ 49,753 $ 19,608 $ 30,677 $ 25,493

September 5, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - FORM 8-K

FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: August 29, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporat

September 5, 2012 EX-10.1

SENIOR SECURED SUPER PRIORITY PRIMING DEBTOR IN POSSESSION CREDIT AGREEMENT dated as of August 29, 2012, ATP OIL & GAS CORPORATION, as debtor and debtor-in-possession as Borrower, THE LENDERS PARTY HERETO CREDIT SUISSE AG, as Administrative Agent and

SENIOR SECURED SUPER PRIORITY PRIMING DEBTOR IN POSSESSION CREDIT AGREEMENT Exhibit 10.

August 23, 2012 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: August 20, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporat

August 20, 2012 EX-99.1

ATP Files Voluntary Petition for Chapter 11 Reorganization and Receives Commitment for $617.6 million in DIP Financing; Oil and Gas Operations to Continue in the Ordinary Course

EX-99.1 2 d396167dex991.htm PRESS RELEASE Exhibit 99.1 News Release For Immediate Release on 08/17/12 ATP Files Voluntary Petition for Chapter 11 Reorganization and Receives Commitment for $617.6 million in DIP Financing; Oil and Gas Operations to Continue in the Ordinary Course HOUSTON, TX – August 17, 2012 – (Business Wire) – ATP Oil & Gas Corporation (NASDAQ: ATPG) today announced that it has f

August 20, 2012 EX-99.2

Cash Flow Forecast

Projections Exhibit 99.2 Cash Flow Forecast Overview 18-Month Cash Flow Forecast Monthly Summary Start Date 8/6/12 Month 1 9/1/12 Month 2 10/1/12 Month 3 11/1/12 Month 4 12/1/12 Month 5 1/1/13 Month 6 2/1/13 Month 7 3/1/13 Month 8 4/1/13 Month 9 5/1/13 Month 10 6/1/13 Month 11 7/1/13 Month 12 8/1/13 Month 13 9/1/13 Month 14 10/1/13 Month 15 11/1/13 Month 16 12/1/13 Month 17 1/1/14 Month 18 2/1/14

August 20, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Bankruptcy or Receivership - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: August 17, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporat

August 10, 2012 NT 10-Q

- NOTIFICATION OF LATE FILING

Notification of Late Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 Notification of Late Filing Commission File Number: 001-32647 (Check one) ¨ Form 10-K ¨ Form 20-F ¨ Form 11-K x Form 10-Q ¨ Form 10-D ¨ Form N-SAR ¨ Form N-CSR For period ended June 30, 2012 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Transition

July 9, 2012 SC 13G

ATPG / / D. E. SHAW & CO, L.P. - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ATP Oil & Gas Corporation (Name of Issuer) Common Stock, par value $0.001 (Title of Class of Securities) 00208J108 (CUSIP Number) June 27, 2012 (Date of Event Which Requires Filing of this Statement) Check the following box to designate the rule pursuant to which the Schedule is filed:

July 9, 2012 EX-2

JOINT FILING AGREEMENT

Exhibit 2 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned Reporting Persons hereby agrees to the joint filing, along with all other such Reporting Persons, on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock, par value $0.

July 9, 2012 EX-1

POWER OF ATTORNEY FOR CERTAIN REGULATORY FILINGS INCLUDING CERTAIN FILINGS UNDER THE SECURITIES EXCHANGE ACT OF 1934 AND THE INVESTMENT ADVISERS ACT OF 1940

Exhibit 1 POWER OF ATTORNEY FOR CERTAIN REGULATORY FILINGS INCLUDING CERTAIN FILINGS UNDER THE SECURITIES EXCHANGE ACT OF 1934 AND THE INVESTMENT ADVISERS ACT OF 1940 I, David E.

June 20, 2012 EX-99.1

ATP Expands Liquidity Position by $35 Million

Exhibit 99.1 Exhibit 99.1 News Release For Immediate Release 06/20/12 ATP Oil & Gas Corporation, Houston Executive Chairman T. Paul Bulmahn, 713-622-3311 or Chief Financial Officer Albert L. Reese Jr., 713-622-3311 www.atpog.com ATP Expands Liquidity Position by $35 Million Houston, Texas– June 20, 2012 (Business Wire) – ATP Oil & Gas Corporation (NASDAQ: ATPG) today announced that it has closed a

June 20, 2012 EX-4.2

[FORM OF SENIOR CONVERTIBLE NOTE]

Exhibit 4.2 Exhibit 4.2 [FORM OF SENIOR CONVERTIBLE NOTE] NEITHER THE ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS NOTE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE CONVERTIBLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN

June 20, 2012 EX-4.3

[FORM OF WARRANT]

Exhibit 4.3 Exhibit 4.3 [FORM OF WARRANT] NEITHER THE ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE EXERCISABLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIV

June 20, 2012 EX-4.4

REGISTRATION RIGHTS AGREEMENT

Exhibit 4.4 Exhibit 4.4 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of June 20, 2012, is by and among ATP Oil & Gas Corporation, a Texas corporation with offices located at 4600 Post Oak Place, Suite 100, Houston, Texas 77027 (the “Company”), and the undersigned buyers (each, a “Buyer,” and collectively, the “Buyers”). RECITALS A. In connection wit

June 20, 2012 EX-4.1

SECURITIES PURCHASE AGREEMENT

Exhibit 4.1 Exhibit 4.1 SECURITIES PURCHASE AGREEMENT This SECURITIES PURCHASE AGREEMENT (the “Agreement”), dated as of June 20, 2012, is by and among ATP Oil & Gas Corporation, a Texas corporation with offices located at 4600 Post Oak Place, Suite 100, Houston, Texas 77027 (the “Company”), and each of the investors listed on the Schedule of Buyers attached hereto (individually, a “Buyer” and coll

June 20, 2012 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: June 20, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporatio

June 8, 2012 EX-99.1

McCarroll Joins ATP’s Executive Team

Exhibit 99.1 News Release For Immediate Release on 06/01/12 ATP Oil & Gas Corporation, Houston Chairman and CEO T. Paul Bulmahn, 713-622-3311 or Chief Financial Officer Albert L. Reese Jr., 713-622-3311 www.atpog.com McCarroll Joins ATP’s Executive Team HOUSTON – June 1, 2012 – (Business Wire) – ATP Oil & Gas Corporation (NASDAQ: ATPG) today announced that Mr. Matt McCarroll has joined ATP as Chie

June 8, 2012 EX-99.2

ATP Announces Management Change

Press Release Exhibit 99.2 News Release For Immediate Release on 06/07/12 ATP Oil & Gas Corporation, Houston Chairman and CEO T. Paul Bulmahn, 713-622-3311 or Chief Financial Officer Albert L. Reese Jr., 713-622-3311 www.atpog.com ATP Announces Management Change HOUSTON – June 7, 2012 – (Business Wire) – On June 1, 2012, ATP Oil & Gas Corporation (NASDAQ: ATPG) announced that Mr. Matt McCarroll re

June 8, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: June 1, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporation

June 7, 2012 8-K

Submission of Matters to a Vote of Security Holders - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF EARLIEST EVENT REPORTED: June 1, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Commission file number: 001-32647 Texas 76-0362774 (State or other jurisdiction of incorporation

May 10, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - ATP OIL & GAS CORPORATION 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 9, 2012 ATP OIL & GAS CORPORATION Texas 000-32261 76-0362774 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 4600 Post

May 10, 2012 10-Q

Quarterly Report - FORM 10-Q FOR QUARTERLY PERIOD ENDED MARCH 31, 2012

Form 10-Q for quarterly period ended March 31, 2012 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 10, 2012 EX-99.1

ATP Announces First Quarter 2012 Financial Results and Operations Update

Exhibit 99.1 ATP Announces First Quarter 2012 Financial Results and Operations Update HOUSTON-(BUSINESS WIRE)-May 9, 2012-ATP Oil & Gas Corporation (NASDAQ:ATPG) today released first quarter 2012 financial results and an operations update. Results of Operations Production in first quarter 2012 was 2.0 MMBoe (million barrels of oil equivalent) of which 63% was oil and condensate, compared to 2.3 MM

April 27, 2012 DEF 14A

- DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 29, 2012 EX-4.2

ATP OIL & GAS CORPORATION, THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Dated as of , 20 Subordinated Debt Securities Reconciliation and Tie between Sections 3.10 through 3.18(a), Inclusive, of the Trust Indenture Act of 1939 and Sections of this

Form of Indenture relating to Subordinated Debt Securities Exhibit 4.2 ATP OIL & GAS CORPORATION, Issuer and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Trustee INDENTURE Dated as of , 20 Subordinated Debt Securities Reconciliation and Tie between Sections 3.10 through 3.18(a), Inclusive, of the Trust Indenture Act of 1939 and Sections of this Indenture: Section of Trust Indenture Act of 1939

March 29, 2012 EX-4.1

ATP OIL & GAS CORPORATION, THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Dated as of , 20 Senior Debt Securities Reconciliation and Tie between Sections 3.10 through 3.18(a), Inclusive, of the Trust Indenture Act of 1939 and Sections of this Inden

Form of Indenture relating to Senior Debt Securities Exhibit 4.1 ATP OIL & GAS CORPORATION, Issuer and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., Trustee INDENTURE Dated as of , 20 Senior Debt Securities Reconciliation and Tie between Sections 3.10 through 3.18(a), Inclusive, of the Trust Indenture Act of 1939 and Sections of this Indenture: Section of Trust Indenture Act of 1939 Sections of

March 29, 2012 EX-25.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTE

T-1 for Senior Debt Securities Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) ¨ THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of trustee a

March 29, 2012 S-3

- FORM S-3

Form S-3 Table of Contents AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 28, 2012.

March 29, 2012 EX-12.1

ATP Oil & Gas Corporation

Statement Regarding Computation of Ratio of Earnings to Fixed Charges Exhibit 12.1 ATP Oil & Gas Corporation Statement Re Computation of Ratios Amounts in $000’s, except as noted Calculation of ratio of earnings to fixed charges and earnings to combined fixed charges and preference dividends per Reg S-K, Item 503(d): Year Ended December 31, 2007 2008 2009 2010 2011 Net income (loss) $ 48,620 $ 121

March 29, 2012 EX-25.2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTE

T-1 for Subordinated Debt Securities Exhibit 25.2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) ¨ THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. (Exact name of tru

March 23, 2012 10-K/A

Annual Report - AMENDMENT NO. 1 TO FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 2011

Amendment No. 1 to Form 10-K for fiscal year ended December 31, 2011 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K/A (Amendment No.1) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2011 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Comm

March 16, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - ATP OIL & GAS CORP. 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 15, 2012 ATP Oil & Gas Corporation (Exact name of registrant as specified in its charter) Texas 000-32261 76-0362774 (State or other jurisdiction of incorporation) (Commission Fi

March 16, 2012 EX-99.1

ATP Announces 2011 Financial Results and Operations Update

Exhibit 99.1 ATP Announces 2011 Financial Results and Operations Update HOUSTON-(BUSINESS WIRE)-March 15, 2012-ATP Oil & Gas Corporation (NASDAQ:ATPG) today released 2011 financial results and an operations update. Results of Operations Revenues from oil and gas production were $687.2 million in 2011 compared to $438.0 million in 2010, an increase of 57%. Increased revenues were attributable to in

March 15, 2012 10-K

Annual Report - FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 2011

Form 10-K for fiscal year ended December 31, 2011 Table of Contents Index to Financial Statements UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 15, 2012 EX-10.1

[Remainder of this page intentionally left blank]

Amendment and Restatement and Incremental Loan Assumption Agreement Exhibit 10.1 EXECUTION COPY AMENDMENT AND RESTATEMENT AND INCREMENTAL LOAN ASSUMPTION AGREEMENT dated as of March 9, 2012 (this “Agreement”), to the CREDIT AGREEMENT dated as of June 18, 2010, as amended as of February 19, 2011 (the “Existing Credit Agreement”), among ATP OIL & GAS CORPORATION, a Texas corporation (the “Borrower”)

March 15, 2012 EX-99.1

ATP Significantly Expands Liquidity Position

Press Release Exhibit 99.1 News Release For Immediate Release 03/09/12 ATP Oil & Gas Corporation, Houston Chairman and CEO T. Paul Bulmahn, 713-622-3311 or Chief Financial Officer Albert L. Reese Jr., 713-622-3311 www.atpog.com ATP Significantly Expands Liquidity Position Houston, Texas– March 09, 2012 (Business Wire) – ATP Oil & Gas Corporation (NASDAQ: ATPG) has allocated the previously announce

March 15, 2012 8-K

Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date Of Report (Date of Earliest Event Reported) March 9, 2012 ATP OIL & GAS CORPORATION (Exact name of registrant as specified in its charter) Texas 001-32647 76-0362774 (State or other jurisdiction of incorporation) (Comm

February 14, 2012 SC 13G/A

ATPG / / Aletheia Research & Management, Inc. - SC 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4) ATP OIL & GAS CORPORATION (Name of Issuer) Common Stock, $.001 par value per share (Title and Class of Securities) 00208J108 (CUSIP Number) December 31, 2011 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule purs

February 10, 2012 SC 13G/A

ATPG / / BULMAHN T PAUL - SCHEDULE 13G AMENDMENT Passive Investment

Schedule 13G Amendment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

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