Document:

Second Supplemental Indenture relating to the 9 7/8% senior notes due 2011

 Exhibit 4.2 
 PETROHAWK ENERGY CORPORATION, 
 THE SUBSIDIARY GUARANTORS SIGNATORY HERETO 
 AND 
 THE BANK OF NEW YORK TRUST
COMPANY, N.A., 
 as Trustee 
  

 SECOND SUPPLEMENTAL INDENTURE 
 Dated as of July 11, 2006 
 to 
 Indenture 
 Dated as of April 8, 2004, as Amended 
 9 7/8% Senior
Notes due 2011 

 THIS SECOND SUPPLEMENTAL INDENTURE, dated as of July 11, 2006 (this “Supplemental
Indenture”), is by and among Petrohawk Energy Corporation, a Delaware corporation (the “Issuer”), the Subsidiary Guarantors (herein so called signatory hereto) and The Bank of New York Trust Company, N.A., as trustee (the
“Trustee”). 
 WHEREAS, the Issuer, the Subsidiary Guarantors and the Trustee are parties to that certain Indenture dated as
of April 8, 2004 (the “Original Indenture”), as amended by the First Supplemental Indenture thereto dated as of July 28, 2005 (the Original Indenture, as so amended, being herein called the “Indenture”),
providing for the issuance of 9 7/8% Senior Notes due 2011 (the “Notes”); 
 WHEREAS, the Issuer or its predecessor issued originally $130 million aggregate principal amount of the Notes, and it subsequently repurchased $5,516,000
aggregate principal amount of the Notes, so that Notes in the aggregate principal amount of $124,490,000 are now outstanding; 
 WHEREAS,
Section 9.2 of the Indenture provides that (subject to certain exceptions) the Indenture may be amended with the consent of the Holders of at least a majority in aggregate principal amount of the Notes then outstanding or, in the case of an
amendment to Section 10.15 of the Indenture, 75% thereof (including consents obtained in connection with a tender offer for Notes); 
 WHEREAS, the Issuer desires and has requested the Trustee to join with it in entering into this Supplemental Indenture for the purpose of amending the Indenture in certain respects as permitted by Section 9.2 of the Indenture;

 WHEREAS, the execution and delivery of this Supplemental Indenture have been authorized by a Board Resolution of the Issuer and of each
Subsidiary Guarantor; and 
 WHEREAS, (1) the Issuer has received the consent of the Holders of at least 75% in aggregate principal
amount of the outstanding Notes and has satisfied all other conditions precedent, if any, provided under the Indenture to enable the Issuer, the Subsidiary Guarantors and the Trustee to enter into this Supplemental Indenture, all as certified by an
Officers’ Certificate, delivered to the Trustee simultaneously with the execution and delivery of this Supplemental Indenture as contemplated by Section 9.3 of the Indenture, and (2) the Issuer has delivered to the Trustee
simultaneously with the execution and delivery of this Supplemental Indenture an Officers’ Certificate and Opinion of Counsel relating to this Supplemental Indenture as contemplated by Sections 9.3 and 14.1 of the Indenture; 
 NOW, THEREFORE, in consideration of the above premises, each party hereby agrees, for the benefit of the others and for the equal and ratable benefit of
the Holders of the Notes, as follows: 
 ARTICLE I 
 DEFINITIONS 
 Section 1.1 Deletion of Definitions and Related References.
Section 1.1 of the Indenture is hereby amended to delete in their entirety all terms and their respective definitions for which all references are eliminated in the Indenture as a result of the amendments set forth in Article II of this
Supplemental Indenture. 
 ARTICLE II 
 AMENDMENTS TO INDENTURE 
 Section 2.1 Amendments to the Indenture. 
 (i) The Indenture is hereby amended by deleting the following sections or subsections of the Indenture and all references thereto in the Indenture in
their entirety: 
 Section 5.1(e), (f) and (g) 
 Section 8.1 
 Sections 10.4 through 10.19 

 (ii) Notwithstanding the foregoing paragraph (i) of this Section 2.1, all provisions of the
Indenture required by the Trust Indenture Act shall remain in full force and effect, including without limitation the obligations of the Company (1) under Section 314(a)(1) of the TIA to file with the Trustee copies of its annual reports
and of the information, documents and other reports which the Company is required to file with the Securities and Exchange Commission pursuant to Section 13 or 15 of the Exchange Act and (2) under Section 314(a)(4) of the TIA to
furnish to the Trustee, not less often than annually, a brief certificate from the principal executive officer, principal financial office or principal accounting officer as to his or her knowledge of the Company’s compliance with all
conditions and covenants under the Indenture, without regard to any period of grace or requirement of notice provided under the Indenture. 
 ARTICLE III 
 MISCELLANEOUS PROVISIONS 
 Section 3.1 Indenture. Except as amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect.
This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered under the Indenture shall be bound by the Indenture as amended hereby. Subject to
Section 14.10(b) of the Indenture, in the case of conflict between the Indenture and this Supplemental Indenture, the provisions of this Supplemental Indenture shall control. 
 Section 3.2 Severability. In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the
validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 Section 3.3 Capitalized Terms. Capitalized terms used herein but not defined shall have the meanings assigned to them in the Indenture. 
 Section 3.4 Effect of Headings. The Article and Section headings used herein are for convenience only and shall not affect the construction of this Supplemental Indenture. 
 Section 3.5 Trustee Makes No Representations. The Trustee makes no representation as to the validity or sufficiency of this
Supplemental Indenture. The recitals, statements and representations contained in this Supplemental Indenture shall be taken and construed as made by and on the part of the Issuer and the Subsidiary Guarantors, and not by the Trustee, and the
Trustee does not assume, and shall not have, any responsibility or obligation for the correctness of any thereof. 
 Section 3.6
Certain Duties and Responsibilities of the Trustee. In entering into this Supplemental Indenture, the Trustee shall be entitled to the benefit of every provision of the Indenture relating to the conduct or affecting the liability or
affording protection to the Trustee, whether or not elsewhere herein so provided. 
 Section 3.7 Governing Law. THIS
SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 
 Section 3.8
Counterparts. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent one and the same agreement. 
 Section 3.9 Successors. All agreements of the Issuer, the Subsidiary Guarantors and the Trustee in this Supplemental Indenture and the
Notes shall bind their respective successors. 
 Section 3.10 Effectiveness. The provisions of Articles I and II of this
Supplemental Indenture shall be effective at the time the Issuer accepts for purchase at least 75% in aggregate principal amount of the outstanding Notes. 
  

 2 

 Section 3.11 Endorsement and Change of Form of Notes. Any Notes authenticated and
delivered after the close of business on the date that this Supplemental Indenture becomes effective may be affixed to, stamped, imprinted or otherwise legended by the Trustee, with a notation as follows: 
 “Effective as of [            ], 2006*, the restrictive covenants of the Indenture and certain of the Events of Default have been eliminated or modified, as provided in the Second Supplemental
Indenture, dated as of July 11, 2006. Reference is hereby made to said Second Supplemental Indenture, copies of which are on file with the Trustee, for a description of the amendments made therein.” 
 [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK] 
  

	*	To be competed on the date of effectiveness as set forth in Section 3.10 of this Supplemental Indenture. 

  

 3 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed
as of the day and year written above. 
  

			
	PETROHAWK ENERGY CORPORATION
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	P-H ENERGY, LLC
		
	By:	 	PETROHAWK ENERGY CORPORATION
		 	Its Sole Member
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PETROHAWK OPERATING COMPANY
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	RED RIVER FIELD SERVICES, L.L.C.
		
	By:	 	PETROHAWK ENERGY CORPORATION
		 	Its Sole Member
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PETROHAWK PROPERTIES, LP
		
	By:	 	P-H Energy, LLC
		 	Its General Partner
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer

  

 4 

			
	PETROHAWK HOLDINGS, LLC
		
	By:	 	 /s/ CONNIE D. TATUM

		 	Connie D. Tatum
		 	President
	
	WINWELL RESOURCES, INC.
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	WSF, INC.
		
	By:	 	 /s/ FLOYD C. WILSON

		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	THE BANK OF NEW YORK TRUST
	COMPANY, N.A., as Trustee
		
	By:	 	 /s/ JOHN C. STOHLMANN

		 	John C. Stohlmann
		 	Vice President

  

 5Second Supplemental Indenture relating to KCS Energy, Inc.'s 7 1/8% senior notes

 Exhibit 4.4 
 SECOND SUPPLEMENTAL INDENTURE 
 SECOND SUPPLEMENTAL INDENTURE dated as of July 12, 2006 among
PETROHAWK ENERGY CORPORATION, a Delaware corporation (the “Company”) and the successor by way of merger to KCS Energy, Inc., a Delaware corporation (“KCS”), the parties listed on the signature page hereof as
Guarantors (each a “Guarantor”), and U.S. BANK NATIONAL ASSOCIATION, as indenture trustee (the “Trustee”), to the Indenture dated as of April 1, 2004, as amended (the “Indenture”, capitalized
terms used herein and not otherwise defined having the respective meanings specified in the Indenture) among KCS, the Guarantors and the Trustee. 
 RECITALS 
 A. KCS has merged with and into the Company on the date hereof, and the Company is the survivor of such merger.

 B. The Company is entering into this Second Supplemental Indenture pursuant Section 5.1 of the Indenture in order expressly to assume
all the obligations of KCS under the Securities, the Indenture and the Registration Rights Agreement. 
 C. Each Guarantor is entering into
this Second Supplemental Indenture to confirm that its Subsidiary Guarantee of the Securities will apply to the Company’s obligations under the Indenture and the Securities. 
 D. Simultaneously with the execution and delivery hereof by the parties hereto, certain subsidiaries of the Company are entering into a supplemental
indenture substantially in the form of Exhibit E to the Indenture in order to become additional Guarantors. 
 E. This Second Supplemental
Indenture may be entered into without the consent of any Holder pursuant to Section 9.1(3) of the Indenture. 
 NOW, THEREFORE, THIS
SECOND SUPPLEMENTAL INDENTURE WITNESSETH: 
 1. The Company expressly assumes all the obligations of KCS under the Securities, the Indenture
and the Registration Rights Agreement. 
 2. Each Guarantor confirms that its Subsidiary Guarantee will apply to the Company’s
obligations under the Indenture and the Securities. 
 3. On and after the date hereof each reference in the Indenture to “this
Indenture”, “hereunder”, “hereof” or words of like import referring to the Indenture, and each reference in the Securities or the Subsidiary Guarantees to the “Indenture”, “thereunder”,
“thereof” or words of like import referring to the Indenture, shall mean and be a reference to the Indenture as supplemented hereby and each reference in the Securities to “this Security”, “hereunder”,
“hereof” or words of like import referring to the Securities shall mean and be a 

 reference to the Securities as supplemented hereby and each reference in the Subsidiary Guarantees to “the
Securities”, “thereunder”, “thereof” or words of like import referring to the Securities shall mean and be a reference to the Securities as supplemented hereby. 
 4. Except as specifically supplemented above, the Indenture, the Securities and the Subsidiary Guarantees are and shall continue to be in full force and
effect and are hereby in all respects ratified and confirmed. 
 5. Nothing in this Second Supplemental Indenture shall be construed to
modify, impair, alter, waive, or amend any rights of the Trustee or Holders arising from or relating to the merger under Section 4.11 of the Indenture. 
 6. This Second Supplemental Indenture may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed and delivered shall be deemed to be an
original and all of which taken together shall constitute but one and the same agreement. Delivery of an executed signature page hereof by facsimile transmission shall be effective as delivery of an original executed signature page hereof.

 7. This Second Supplemental Indenture shall be governed by, and construed in accordance with, the law of the State of New York.

 IN WITNESS WHEREOF, the parties hereto have caused this Second Supplemental Indenture to be executed by
their respective officers thereunto duly authorized, as of the date first-above written. 
  

									
	PETROHAWK ENERGY CORPORATION	 		 	 U.S. BANK NATIONAL ASSOCIATION,
 as indenture
trustee

					
	By	 	 /s/ Floyd C. Wilson
	 		 	By	 	 /s/ Stephen Rivero

		 	 Floyd C. Wilson
 President and Chief Executive
Officer
	 		 	 Name:
 Title:
	 	 Stephen Rivero
 Vice President

				
	GUARANTORS:	 		 		 	
			
	KCS RESOURCES, INC.	 		 	MEDALLION CALIFORNIA PROPERTIES COMPANY
					
	By	 	 /s/ Floyd C. Wilson
	 		 	By	 	 /s/ Floyd C. Wilson

		 	 Floyd C. Wilson
 President and Chief Executive
Officer
	 		 		 	 Floyd C. Wilson
 President and Chief Executive
Officer

			
	KCS ENERGY SERVICES, INC.	 		 	PROLIQ, INC.
					
	By	 	 /s/ Floyd C. Wilson
	 		 	By	 	 /s/ Floyd C. Wilson

		 	 Floyd C. Wilson
 President and Chief Executive
Officer
	 		 		 	 Floyd C. Wilson
 President and Chief Executive
Officer

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