Seventh Supplemental Indenture



 Exhibit 4.11 
 SEVENTH SUPPLEMENTAL INDENTURE 
 SEVENTH SUPPLEMENTAL
INDENTURE (this “Supplemental Indenture”), dated as of August 4, 2009, among Kaiser Trading, LLC, an Oklahoma limited liability company (the “New Guarantor”), Petrohawk Energy Corporation, a Delaware
corporation (the “Company”), the existing Guarantors (as defined in the Indenture referred to herein) and Law Debenture Trust Company of New York, as successor to U.S. Bank National Association, as trustee under the Indenture
referred to herein (the “Trustee”). The New Guarantor and the existing Guarantors are sometimes referred to collectively herein as the “Guarantors,” or individually as a “Guarantor.” 
 W I T N E S S E T H 
 WHEREAS, the Company and the existing Guarantors have heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of April 1, 2004, relating to the 7 1/8% Senior Notes due 2012 (the
“Securities”) of the Company; 
 WHEREAS, Section 4.9 of the Indenture provides that if the Company
or any of its Restricted Subsidiaries acquires or creates another Restricted Subsidiary (other than Foreign Subsidiaries) after the Issue Date, then the Company shall cause newly acquired or created Restricted Subsidiary (i) to become a
Guarantor by executing a supplemental indenture and (ii) to deliver an Opinion of Counsel to the Trustee as provided in such Section; and 
 WHEREAS, pursuant to Section 9.1 of the Indenture, the Company, the Guarantors and the Trustee are authorized to execute and deliver this Supplemental Indenture to amend or supplement the
Indenture without the consent of any Holder. 
 NOW THEREFORE, to comply with the provisions of the Indenture and in
consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the New Guarantor, the other Guarantors, the Company and the Trustee mutually covenant and agree for the equal and ratable
benefit of the Holders of the Securities as follows: 
 1. CAPITALIZED TERMS. Capitalized terms used herein without definition
shall have the meanings assigned to them in the Indenture. 
 2. AGREEMENT TO GUARANTEE. The New Guarantor hereby agrees,
jointly and severally, with all other Guarantors, to unconditionally Guarantee to each Holder and to the Trustee the Obligations, to the extent set forth in the Indenture and subject to the provisions in the Indenture. The obligations of the
Guarantors to the Holders of Securities and to the Trustee pursuant to the Subsidiary Guarantees and the Indenture are expressly set forth in Article X of the Indenture and reference is hereby made to the Indenture for the precise terms of the
Subsidiary Guarantees. 
 3. EXECUTION AND DELIVERY. The New Guarantor agrees that the Subsidiary Guarantee shall remain in full
force and effect notwithstanding any failure to endorse on each Security a notation of such Subsidiary Guarantee. 







 4. NEW YORK LAW TO GOVERN. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO
CONSTRUE AND ENFORCE THIS SUPPLEMENTAL INDENTURE. 
 5. 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 the same agreement. This Supplemental Indenture may be executed in multiple counterparts which, when taken together, shall constitute one instrument.

 6. EFFECT OF HEADINGS. The section headings herein are for convenience only and shall not affect the construction hereof.

 7. THE TRUSTEE. Except as otherwise expressly provided herein, no duties, responsibilities or liabilities are assumed, or
shall be construed to be assumed, by the Trustee by reason of this Supplemental Indenture. This Supplemental Indenture is executed and accepted by the Trustee subject to all the terms and conditions set forth in the Indenture with the same force and
effect as if those terms and conditions were repeated at length herein and made applicable to the Trustee with respect hereto. 
  
  
 [Remainder of Page Intentionally Left Blank; Signature Page Follows]

  

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 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed and attested, all as of the date first above written. 
  

			
	 PETROHAWK ENERGY CORPORATION
 KAISER TRADING, LLC
 PETROHAWK HOLDINGS, LLC
 P-H ENERGY, LLC
 PETROHAWK OPERATING
COMPANY
 HAWK FIELD SERVICES, L.L.C.
 WINWELL RESOURCES, L.L.C.
 WSF, INC.
 KCS RESOURCES, LLC
 KCS ENERGY SERVICES, INC.
 MEDALLION CALIFORNIA PROPERTIES
 COMPANY
 PROLIQ, INC.
 ONE TEC, LLC
 ONE TEC OPERATING, LLC
 BISON RANCH
LLC

		
	By:	 	/s/ David S. Elkouri
	 David S. Elkouri
 Executive Vice President –
     General Counsel and Secretary

	
	 HK ENERGY MARKETING, LLC

		
	By:	 	/s/ David S. Elkouri
	 David S. Elkouri
 Secretary

	
	 PETROHAWK PROPERTIES, LP

		
	By:	 	P-H Energy, LLC
	Its General Partner
	
		
	By:	 	/s/ David S. Elkouri
	 David S. Elkouri
 Executive Vice President –
     General Counsel and Secretary



 SIGNATURE PAGE OF
SEVENTH SUPPLEMENTAL INDENTURE 







 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed and attested, all as of the date first above written. 
  

			
	 LAW DEBENTURE TRUST COMPANY OF
 NEW YORK, as Trustee

		
	By:	 	/s/ Robert L. Bice II
	Name:	 	Robert L. Bice II
	Title:	 	Senior Vice President


 SIGNATURE PAGE OF
SEVENTH SUPPLEMENTAL INDENTURE