PETROHAWK ENERGY CORP Contracts & Agreements

WAIVER AND CONSENT (Filed With SEC on August 19, 2011)

AGREEMENT AND PLAN OF MERGER by and among BHP BILLITON LIMITED, BHP BILLITON PETROLEUM (NORTH AMERICA) INC., NORTH AMERICA HOLDINGS II INC. and PETROHAWK ENERGY CORPORATION Dated... (Filed With SEC on July 20, 2011)

EXECUTIVE RETENTION AGREEMENT (Filed With SEC on July 20, 2011)

FOURTH AMENDMENT TO FIFTH AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGY CORPORATION, as the Borrower, EACH OF THE OTHER SIGNATORIES HERETO, as... (Filed With SEC on July 6, 2011)

$600,000,000 PETROHAWK ENERGY CORPORATION 6.25% SENIOR NOTES DUE 2019 REGISTRATION RIGHTS AGREEMENT (Filed With SEC on May 20, 2011)

PURCHASE AND SALE AGREEMENT BY AND AMONG PETROHAWK ENERGY CORPORATION, HAWK FIELD SERVICES, LLC, EAGLEHAWK FIELD SERVICES LLC KM GATHERING LLC and KM EAGLE GATHERING LLC Executed... (Filed With SEC on May 10, 2011)

THIRD AMENDMENT TO FIFTH AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGY CORPORATION, as the Borrower, BNP PARIBAS, as Administrative Agent, and THE... (Filed With SEC on May 5, 2011)

EMPLOYMENT AGREEMENT (Filed With SEC on February 22, 2011)

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT (Filed With SEC on February 22, 2011)

$400,000,000 PETROHAWK ENERGY CORPORATION 7.25% SENIOR NOTES DUE 2018 REGISTRATION RIGHTS AGREEMENT (Filed With SEC on February 3, 2011)

$400,000,000 PETROHAWK ENERGY CORPORATION 7.25% Senior Notes due 2018 PURCHASE AGREEMENT (Filed With SEC on January 20, 2011)

FORMATION AND CONTRIBUTION AGREEMENT BY AND AMONG PETROHAWK ENERGY CORPORATION, HAWK FIELD SERVICES, LLC and KMGATHERING LLC Executed April 12, 2010 Table of Contents (Filed With SEC on April 16, 2010)

SEVENTH SUPPLEMENTAL INDENTURE (Filed With SEC on November 5, 2009)

FIFTH SUPPLEMENTAL INDENTURE (Filed With SEC on November 5, 2009)

THIRD SUPPLEMENTAL INDENTURE (Filed With SEC on November 5, 2009)

FIRST SUPPLEMENTAL INDENTURE (Filed With SEC on November 5, 2009)

ASSIGNMENT OF AGREEMENT OF SALE AND PURCHASE (Filed With SEC on November 5, 2009)

AGREEMENT OF SALE AND PURCHASE BY AND AMONG (Filed With SEC on September 23, 2009)

THIRD AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT DATEDAS OF SEPTEMBER 10, 2008 (Filed With SEC on September 9, 2009)

THIRD AMENDED AND RESTATED GUARANTEE AND COLLATERAL AGREEMENT made by (Filed With SEC on September 9, 2009)

25,000,000 Shares (Filed With SEC on August 7, 2009)

PETROHAWK ENERGY CORPORATION THIRD AMENDED AND RESTATED (Filed With SEC on June 23, 2009)

PETROHAWK ENERGY CORPORATION SECOND AMENDED AND RESTATED (Filed With SEC on June 23, 2009)

AMENDMENT NO. 1 TO RIGHTS AGREEMENT (Filed With SEC on June 12, 2009)

22,000,000 Shares PETROHAWK ENERGY CORPORATION Common Stock UNDERWRITING AGREEMENT (Filed With SEC on February 27, 2009)

FIFTH SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

SIXTH SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

THIRD SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

FOURTH SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

FIRST SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on February 25, 2009)

ASSUMPTION AGREEMENT (Filed With SEC on February 25, 2009)

$600,000,000 (Filed With SEC on January 28, 2009)

FOURTH SUPPLEMENTAL INDENTURE (Filed With SEC on November 6, 2008)

PETROHAWK ENERGY CORPORATION AND AMERICAN STOCK TRANSFER & TRUST COMPANY, RIGHTS AGENT RIGHTS AGREEMENT DATED AS OF October 14,2008 TABLE OF CONTENTS (Filed With SEC on October 16, 2008)

THIRD AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT DATEDAS OF SEPTEMBER 10, 2008 (Filed With SEC on September 15, 2008)

THIRD AMENDED AND RESTATED GUARANTEE AND COLLATERAL AGREEMENT made by (Filed With SEC on September 15, 2008)

25,000,000 Shares (Filed With SEC on August 14, 2008)

$300,000,000 (Filed With SEC on June 18, 2008)

PETROHAWK ENERGYCORPORATION 7.875% Senior Notes due 2015 INDENTURE Dated as of May 13, 2008 (Filed With SEC on May 15, 2008)

$500,000,000 (Filed With SEC on May 15, 2008)

25,000,000 Shares (Filed With SEC on May 12, 2008)

$500,000,000 (Filed With SEC on May 12, 2008)

SIXTH AMENDMENT TO SECOND AMENDED AND RESTATED (Filed With SEC on May 6, 2008)

FIFTH AMENDMENT TO SECOND AMENDED AND RESTATED (Filed With SEC on February 7, 2008)

18,000,000 Shares (Filed With SEC on February 1, 2008)

AGREEMENT OF SALE AND PURCHASE BY AND AMONG (Filed With SEC on December 7, 2007)

SENIOR SUBORDINATED UNSECURED NOTE (Filed With SEC on December 7, 2007)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on November 8, 2007)

FOURTH AMENDMENT TO SECOND AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGYCORPORATION, as the Borrower, BNP PARIBAS, as Administrative Agent, BANK OF... (Filed With SEC on November 8, 2007)

EMPLOYMENT AGREEMENT (Filed With SEC on November 8, 2007)

AGREEMENT OF SALE AND PURCHASE BY AND AMONG (Filed With SEC on November 8, 2007)

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (Filed With SEC on September 7, 2007)

SECOND AMENDMENT TO SECOND AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGYCORPORATION, as the Borrower, BNP PARIBAS, as Administrative Agent, BANK OF... (Filed With SEC on August 8, 2007)

THIRD AMENDMENT TO SECOND AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGYCORPORATION, as the Borrower, BNP PARIBAS, as Administrative Agent, BANK OF... (Filed With SEC on August 8, 2007)

PETROHAWK ENERGY CORPORATION THIRD AMENDED AND RESTATED (Filed With SEC on May 10, 2007)

AMENDMENT NO. 3 TO THE KCS ENERGY, INC. 2005 EMPLOYEE AND DIRECTORS STOCK PLAN (Filed With SEC on May 10, 2007)

PETROHAWK ENERGY CORPORATION STOCK APPRECIATION RIGHTS AGREEMENT ANNUAL VESTING AWARDS (Filed With SEC on May 10, 2007)

RESTRICTED STOCK AWARD CERTIFICATE (Filed With SEC on May 10, 2007)

PETROHAWK ENERGY CORPORATION RESTRICTED STOCK AWARD AGREEMENT PURSUANT TO THE KCS ENERGY, INC.2005 EMPLOYEE AND DIRECTORS STOCK PLAN (Filed With SEC on May 10, 2007)

PETROHAWK ENERGY CORPORATION STOCK APPRECIATION RIGHTS AGREEMENT ANNUAL VESTING AWARDS (Filed With SEC on May 10, 2007)

FORM OF EMPLOYMENT AGREEMENT (Filed With SEC on February 28, 2007)

AMENDMENT NO. 2 TO THE KCS ENERGY, INC. 2005 EMPLOYEES AND DIRECTORS STOCK PLAN (Filed With SEC on February 28, 2007)

AMENDMENT NO. 2 TO THE KCS ENERGY, INC. 2001 EMPLOYEES AND DIRECTORS STOCK PLAN (Filed With SEC on February 28, 2007)

AMENDMENT NO. 1 TO THE MISSION RESOURCES CORPORATION 1996 STOCK INCENTIVE PLAN (Filed With SEC on February 28, 2007)

[PETROHAWK LOGO] AMENDED AND RESTATED PERFORMANCE SHARE AWARD CERTIFICATE (Filed With SEC on November 3, 2006)

AMENDMENT NO. 1 TO THE PETROHAWK ENERGY CORPORATION SECOND AMENDED AND RESTATED 2004 EMPLOYEEINCENTIVE PLAN (Filed With SEC on August 9, 2006)

AMENDMENT NO. 1 TO THE PETROHAWK ENERGY CORPORATION SECOND AMENDED AND RESTATED 2004 NON-EMPLOYEEDIRECTOR INCENTIVE PLAN (Filed With SEC on August 9, 2006)

[PETROHAWK LOGO] AMENDED AND RESTATED PERFORMANCE SHARE AWARD CERTIFICATE (Filed With SEC on August 9, 2006)

EMPLOYMENT AGREEMENT (Filed With SEC on August 9, 2006)

FIRST AMENDMENT TO SECOND AMENDED AND RESTATED SENIOR REVOLVING CREDIT AGREEMENT among PETROHAWK ENERGYCORPORATION, as the Borrower, BNP PARIBAS, as Administrative Agent, BANK OF... (Filed With SEC on July 28, 2006)

PETROHAWK ENERGY CORPORATION, THE SUBSIDIARY GUARANTORS SIGNATORY HERETO (Filed With SEC on July 17, 2006)

SECOND SUPPLEMENTAL INDENTURE (Filed With SEC on July 17, 2006)

THIRD SUPPLEMENTAL INDENTURE (Filed With SEC on July 17, 2006)

PETROHAWK ENERGY CORPORATION (Filed With SEC on July 17, 2006)

FIRST SUPPLEMENTAL INDENTURE (Filed With SEC on July 17, 2006)

SECOND AMENDEDAND RESTATED SENIOR REVOLVING CREDITAGREEMENT DATED AS OF (Filed With SEC on July 17, 2006)

SECOND AMENDED ANDRESTATED GUARANTEE AND COLLATERAL AGREEMENT made by each of theGrantors (as defined herein) in favor of BNP PARIBAS, as Administrative Agent (Filed With SEC on July 17, 2006)

AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER AMONG (Filed With SEC on May 18, 2006)

AGREEMENT AND PLAN OF MERGER AMONG KCS ENERGY, INC., PETROHAWK ENERGY CORPORATION, (Filed With SEC on April 21, 2006)

VOTING AGREEMENT (Filed With SEC on April 21, 2006)

NON-SOLICITATION AGREEMENT (Filed With SEC on April 21, 2006)

First Amendment to Asset Purchase Agreement (Filed With SEC on March 14, 2006)

Assignment Agreement (Filed With SEC on March 14, 2006)

Form of Stock Option Agreement (Filed With SEC on March 14, 2006)

First Amendment to Amended Senior Revolving Credit Agreement (Filed With SEC on March 14, 2006)

First Amendment to Amended Second Lien Term Loan Agreement (Filed With SEC on March 14, 2006)

Stock Purchase Agreement (Filed With SEC on March 14, 2006)

Placement Agreement (Filed With SEC on March 14, 2006)

Purchase and Sale Agreement (Filed With SEC on February 9, 2006)

Second Amendment to Amended and Restated Senior Revolving Credit Agreement (Filed With SEC on February 2, 2006)

Second Amendment to Amended and Restated Second Lien Term Loan (Filed With SEC on February 2, 2006)

Supplement and Amendment to Amended and Restated Guarantee and Collateral Agreement (Filed With SEC on February 2, 2006)

Registration Rights Agreement (Filed With SEC on February 2, 2006)

Stock Purchase Agreement (Filed With SEC on December 20, 2005)

Asset Purchase Agreement (Filed With SEC on December 20, 2005)

Form of Stock Option Agmt for Amended 2004 Non-Employee Director Incentive Plan (Filed With SEC on August 11, 2005)

Form of Restricted Stock Agmt for Amended 2004 Non-Employee Director Incentive Plan (Filed With SEC on August 11, 2005)

Form of Incentive Stock Agmt for Amended 2004 Non-Employee Director Incentive Plan (Filed With SEC on August 11, 2005)

Form of Stock Option Agmt for Amended 2004 Employee Incentive Plan (Filed With SEC on August 11, 2005)

Form of Restricted Stock Agmt for Amended 2004 Employee Incentive Plan (Filed With SEC on August 11, 2005)

Form of Incentive Stock Agmt for Amended 2004 Employee Incentive Plan (Filed With SEC on August 11, 2005)

Agreement to Amend Note (Filed With SEC on July 5, 2005)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on May 12, 2005)

AGREEMENTAND PLAN OF MERGER by and among PETROHAWKENERGY CORPORATION PETROHAWKACQUISITION CORPORATION and MISSIONRESOURCES CORPORATION dated as of April 3, 2005 (Filed With SEC on April 4, 2005)

VOTING AGREEMENT (Filed With SEC on April 4, 2005)

PETROHAWKENERGY CORPORATION AMENDED AND RESTATED 2004 NON-EMPLOYEE DIRECTOR INCENTIVE PLAN I.Definitions and Purposes (Filed With SEC on March 31, 2005)

NON-EMPLOYEE DIRECTOR STOCK OPTION AGREEMENT (Filed With SEC on March 31, 2005)

NON-EMPLOYEE DIRECTOR RESTRICTED STOCK AGREEMENT (Filed With SEC on March 31, 2005)

NON-EMPLOYEE DIRECTOR INCENTIVE STOCK AGREEMENT (Filed With SEC on March 31, 2005)

EMPLOYEE STOCK OPTION AGREEMENT (Filed With SEC on March 31, 2005)

EMPLOYEE RESTRICTED STOCK AGREEMENT (Filed With SEC on March 31, 2005)

EMPLOYEE INCENTIVE STOCK AGREEMENT (Filed With SEC on March 31, 2005)

INDEMNITY AGREEMENT (Filed With SEC on March 31, 2005)

CONVERTIBLE PROMISSORY NOTE (Filed With SEC on March 31, 2005)

AGREEMENT OF SALE AND PURCHASE (Filed With SEC on March 31, 2005)

PURCHASE AND SALE AGREEMENT BY AND BETWEEN (Filed With SEC on March 3, 2005)

AMENDMENT TO PURCHASE AND SALEAGREEMENT (Filed With SEC on March 3, 2005)

STOCK PURCHASE AGREEMENT between PETROHAWK ENERGY CORPORATION (Purchaser), and Natural Gas Partners VI,L.P. and the Individual Signatories hereto (Sellers) and Proton Oil & Gas... (Filed With SEC on March 3, 2005)

WARRANTAGREEMENT (Filed With SEC on March 26, 2004)

SELECTEDDEALER WARRANT AGREEMENT (Filed With SEC on March 26, 2004)

WARRANTAGREEMENT (Filed With SEC on March 26, 2004)

EXECUTIVE SEPARATION AGREEMENT (Filed With SEC on March 26, 2004)

BETA OIL & GAS, INC. STOCK OPTION AGREEMENT (Filed With SEC on March 26, 2004)

A.A.P.L.FORM ###-###-#### MODELFORM OPERATING AGREEMENT OPERATING AGREEMENT DATED (Filed With SEC on November 14, 2003)

Petro Capital Advisors, LLC 1845 Woodall Rodgers Freeway Ste 1700 Dallas, Texas 75201 (Filed With SEC on November 14, 2003)

Petro Capital Advisors, LLC 1845 Woodall Rodgers Freeway Ste 1700 Dallas, Texas 75201 October 18, 2003 (Filed With SEC on November 14, 2003)

FIFTHAMENDMENT TO FIRSTAMENDED AND RESTATED REVOLVINGCREDIT AGREEMENT (Filed With SEC on August 13, 2003)

REVOLVINGCREDIT NOTE (RevolverNote) (Filed With SEC on August 13, 2003)

SECONDAMENDMENT TO SECONDAMENDED AND SUPPLEMENTAL MORTGAGE, DEED OF TRUST, SECURITYAGREEMENT, FINANCING STATEMENT AND ASSIGNMENT (WITH POWEROF SALE) June 30,2003 FROM BETA... (Filed With SEC on August 13, 2003)

AMENDMENT NUMBER ONE TO BETA OIL & GAS, INC. (Filed With SEC on August 13, 2003)

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PETROHAWK ENERGY CORP Contracts & Agreements