Document:

First Supplemental Indenture dated as of November 14, 2005

 Exhibit 4.5 

  
 CHESAPEAKE ENERGY CORPORATION 
  
 and 
  
 the Subsidiary Guarantors named herein 
  

  
 2.75% SENIOR NOTES DUE 2035 
  

  
 FIRST SUPPLEMENTAL INDENTURE 
  
 DATED AS OF NOVEMBER 14, 2005 
  

  
 THE BANK OF NEW YORK TRUST COMPANY, N.A. 
  
 as Trustee 
  

  

 THIS FIRST SUPPLEMENTAL INDENTURE, dated as of November 14, 2005, is among Chesapeake Energy
Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New
York Trust Company, N.A., as Trustee. 
  
 RECITALS

  
 WHEREAS, the Company, the Subsidiary Guarantors a party
thereto and the Trustee entered into an Indenture, dated as of November 8, 2005, (the “Indenture”), pursuant to which the Company has originally issued $690,000,000 in principal amount of 2.75% Senior Notes due 2035 (the
“Notes”); and 
  
 WHEREAS, Section 10.01(3)
of the Indenture provides that the Company, the Subsidiary Guarantors and the Trustee may amend or supplement the Indenture without notice to or consent of any Holder to reflect the addition of any Subsidiary Guarantor, as provided for in the
Indenture; and 
  
 WHEREAS, the Board of Directors of the Company
has designated Chesapeake Appalachia, L.L.C., Columbia Natural Resources, L.L.C., Columbia Energy Resources, L.L.C., and Hawg Hauling & Disposal, L.L.C. as Restricted Subsidiaries of the Company and desires to add the entities as Subsidiary
Guarantors under the Indenture; and 
  
 WHEREAS, all acts and
things prescribed by the Indenture, by law and by the charter and the bylaws (or comparable constituent documents) of the Company, of the Subsidiary Guarantors and of the Trustee necessary to make this First Supplemental Indenture a valid instrument
legally binding on the Company, the Subsidiary Guarantors and the Trustee, in accordance with its terms, have been duly done and performed; 
  
 NOW, THEREFORE, to comply with the provisions of the Indenture and in consideration of the above premises, the Company, the Subsidiary Guarantors and the
Trustee covenant and agree for the equal and proportionate benefit of the respective Holders of the Notes as follows: 
  
 ARTICLE 1 
  
 Section 1.01. This First Supplemental Indenture is supplemental to the Indenture and does and shall be deemed to form a part of, and shall be
construed in connection with and as part of, the Indenture for any and all purposes. 
  
 Section 1.02. This First Supplemental Indenture shall become effective immediately upon its execution and delivery by each of the Company, the Subsidiary Guarantors and the Trustee. 
  

 - 2 - 

 ARTICLE 2 
  

Section 2.01. From this date, in accordance with Section 11.03 of the Indenture and by executing this First Supplemental Indenture,
Columbia Natural Resources, L.L.C., Columbia Energy Resources, L.L.C., and Hawg Hauling & Disposal, L.L.C., all Delaware limited liability companies, and Chesapeake Appalachia, L.L.C., an Oklahoma limited liability company are subject to
the provisions of the Indenture as Subsidiary Guarantors to the extent provided for in Article Ten thereunder. 
  
 ARTICLE 3 
  
 Section 3.01. Except as specifically modified herein, the Indenture and the Notes are in all respects ratified and confirmed (mutatis mutandis) and shall remain in full force and effect in accordance with their terms with
all capitalized terms used herein without definition having the same respective meanings ascribed to them as in the Indenture. 
  
 Section 3.02. 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 First Supplemental Indenture. This First 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. 
  
 Section 3.03. The Company hereby notifies the Trustee that Chesapeake Appalachia, L.L.C., Columbia Natural Resources, L.L.C., Columbia Energy
Resources, L.L.C., and Hawg Hauling & Disposal, L.L.C. have been designated by the Board of Directors of the Company as Restricted Subsidiaries (as that term is defined in the Indenture). 
  
 Section 3.04. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND
BE USED TO CONSTRUE AND ENFORCE THIS FIRST SUPPLEMENTAL INDENTURE. 
  
 Section 3.05. The parties may sign any number of copies of this First Supplemental Indenture. Each signed copy shall be an original, but all of such executed copies together shall represent the same agreement. 
  
 [NEXT PAGE IS SIGNATURE PAGE] 
  

 - 3 - 

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

	
	
	/s/    AUBREY K.
MCCLENDON        
	Aubrey K. McClendon
	
	Chief Executive Officer of the Company and of the Subsidiaries listed below:
	
	Corporate Subsidiaries:
	  
 CHESAPEAKE EAGLE CANADA CORP.
 CHESAPEAKE ENERGY LOUISIANA CORPORATION
 CHESAPEAKE PRH CORP.
 CHESAPEAKE SOUTH TEXAS CORP.
 NOMAC DRILLING CORPORATION
 OXLEY PETROLEUM CO.
  
 CHESAPEAKE OPERATING, INC.,
 On behalf of itself and, as general partner, the
following limited partnerships:
  
 CHESAPEAKE EXPLORATION LIMITED PARTNERSHIP
 CHESAPEAKE LOUISIANA, L.P.
 CHESPEAKE NFW, L.P.
 CHESAPEAKE PERMIAN, L.P.
 CHESAPEAKE SIGMA, L.P.
 CHESAPEAKE-STAGHORN ACQUISITION, L.P.
 CHESAPEAKE ZAPATA, L.P.
  
 CHESAPEAKE ENERGY
MARKETING, INC.,
 On behalf of itself and, as general partner, the following limited partnerships:
  
 MIDCON COMPRESSION, L.P.
  
 Limited Liability Company Subsidiaries:
  
 CHESAPEAKE APPALACHIA, L.L.C.
 COLUMBIA NATURAL RESOURCES, L.L.C.

COLUMBIA ENERGY RESOURCES, L.L.C.
 HAWG HAULING & DISPOSAL,
L.L.C.
 CARMEN ACQUISITION, L.L.C.
 CHESAPEAKE ACQUISITION,
L.L.C.
 CHESAPEAKE ENO ACQUISITION, L.L.C.

  

 - 4 - 

			
	 CHESAPEAKE EP, L.L.C.
 CHESAPEAKE LAND COMPANY, L.L.C.
 CHESAPEAKE ORC, L.L.C.
 CHESAPEAKE ROYALTY, L.L.C.
 GOTHIC PRODUCTION, L.L.C.
 JOHN C. OXLEY, L.L.C.
 MC MINERAL COMPANY, L.L.C.
 MAYFIELD PROCESSING, L.L.C.

	
	TRUSTEE:
	
	THE BANK OF NEW YORK TRUST COMPANY, N.A., as Trustee
		
	 By:
	 	 /s/ Linda Garcia

	 	 	

			
	 Name:
	 	 Linda Garcia

	 	 	

	 Title:
	 	 Assistant Vice President

	 	 	

  

 - 5 -Second Supplemental Indenture dated as of November 14, 2005

 Exhibit 4.6 
  

  
 CHESAPEAKE ENERGY CORPORATION 
  
 and

  
 the Subsidiary Guarantors named herein 

 

  
 2.75% SENIOR NOTES DUE 2035 
  

  

  
 SECOND SUPPLEMENTAL INDENTURE 
  
 DATED AS OF FEBRUARY 24, 2006 
  

  
 THE BANK OF NEW YORK TRUST COMPANY, N.A. 
  
 as Trustee 
  

  

 THIS SECOND SUPPLEMENTAL INDENTURE, dated as of February 24, 2006, is among Chesapeake Energy
Corporation, an Oklahoma corporation (the “Company”), each of the parties identified under the caption “Subsidiary Guarantors” on the signature page hereto (the “Subsidiary Guarantors”) and The Bank of New
York Trust Company, N.A., as Trustee. 
  
 RECITALS

  
 WHEREAS, the Company, the Subsidiary Guarantors a party
thereto and the Trustee entered into an Indenture, dated as of November 8, 2005, (the “Indenture”), pursuant to which the Company has originally issued $690,000,000 in principal amount of 2.75% Senior Notes due 2035 (the
“Notes”); and 
  
 WHEREAS, Section 10.01(3)
of the Indenture provides that the Company, the Subsidiary Guarantors and the Trustee may amend or supplement the Indenture without notice to or consent of any Holder to reflect the addition of any Subsidiary Guarantor, as provided for in the
Indenture; and 
  
 WHEREAS, the Board of Directors of the Company
has designated Hodges Holding Company, Inc., Hodges Oilfield Company, Hodges Trucking Company, Nomac 100 Corp. and W.W. Realty, Inc. as Restricted Subsidiaries of the Company and desires to add the entities as Subsidiary Guarantors under the
Indenture; and 
  
 WHEREAS, the Company has taken all actions
required to effect the release, pursuant to Sections 11.02 and 11.04 of the Indenture, of Chesapeake PRH Corp. (“PRH”), a Texas corporation, Chesapeake ENO Acquisition, L.L.C. (“ENO”), an Oklahoma limited liability company,
Chesapeake EP, L.L.C. (“EP”), an Oklahoma limited liability company, John C. Oxley, L.L.C. (“Oxley”), an Oklahoma limited liability company, Columbia Natural Resources, L.L.C. (“CNR”), a Delaware limited liability
company, Columbia Energy Resources, L.L.C. (“CER”), a Delaware limited liability company, Chesapeake NFW, L.P. (“NFW”), an Oklahoma limited partnership, Chesapeake Permian, L.P. (“Permian”), an Oklahoma limited
partnership, Chesapeake-Staghorn Acquisition, L.P. (“Staghorn”), an Oklahoma limited partnership and Chesapeake Zapata, L.P. (“Zapata”), an Oklahoma Limited Partnership; 
  
 WHEREAS, all acts and things prescribed by the Indenture, by law and by the
charter and the bylaws (or comparable constituent documents) of the Company, of the Subsidiary Guarantors and of the Trustee necessary to make this Second Supplemental Indenture a valid instrument legally binding on the Company, the Subsidiary
Guarantors and the Trustee, in accordance with its terms, have been duly done and performed; 
  
 NOW, THEREFORE, to comply with the provisions of the Indenture and in consideration of the above premises, the Company, the Subsidiary Guarantors and the Trustee covenant and agree for the equal and proportionate
benefit of the respective Holders of the Notes as follows: 
  

 2 

 ARTICLE 1 
  

Section 1.01. This Second Supplemental Indenture is supplemental to the Indenture and does and shall be deemed to form a part of, and shall
be construed in connection with and as part of, the Indenture for any and all purposes. 
  
 Section 1.02. This Second Supplemental Indenture shall become effective immediately upon its execution and delivery by each of the Company, the Subsidiary Guarantors and the Trustee. 
  
 ARTICLE 2 
  
 Section 2.01. From this date, in accordance with Section 11.03 of the Indenture and by executing this
Second Supplemental Indenture, Hodges Holding Company, Inc., Hodges Oilfield Company, Hodges Trucking Company, Nomac 100 Corp. and W.W. Realty, Inc., all Oklahoma corporations, are subject to the provisions of the Indenture as Subsidiary Guarantors
to the extent provided for in Article Ten thereunder. 
  
 ARTICLE 3 
  
 Section 3.01. As a
result of the merger of PRH, ENO, EP, Oxley, NFW, Permian, and Zapata, with and into Chesapeake Exploration Limited Partnership, an Oklahoma limited partnership (“CELP”), which constitutes a merger with a Subsidiary Guarantor under
Section 11.02(a) of the Indenture, PRH, ENO, EP, Oxley, NFW, Permian, and Zapata shall for all purposes be released as Subsidiary Guarantors from all of their Guarantees and related obligations in the Indenture, pursuant to Section 11.04
of the Indenture. The notation on the Securities relating to the Guarantee shall be deemed to exclude the names of PRH, ENO, EP, Oxley, NFW, Permian, and Zapata, the signature of an Officer of each of PRH, ENO, EP and Oxley and the signature of an
Officer of Chesapeake Operating, Inc. on behalf of NFW, Permian and Zapata. 
  
 Section 3.02. As the surviving entity in its merger with PRH, ENO, EP, Oxley, NFW, Permian, and Zapata and a Subsidiary Guarantor, CELP hereby agrees to assume all of the obligations of PRH, ENO, EP,
Oxley, NFW, Permian, and Zapata. 
  
 Section 3.03. As
a result of the merger of CNR and CER, with and into Chesapeake Appalachia, L.L.C., an Oklahoma limited liability company, which constitutes a merger with a Subsidiary Guarantor under Section 11.02(a) of the Indenture, CNR and CER shall for all
purposes be released as Subsidiary Guarantors from all of their Guarantees and related obligations in the Indenture, pursuant to Section 11.04 of the Indenture. The notation on the Securities relating to the Guarantee shall be deemed to exclude
the names of CNR and CER, the signature of an Officer of CNR and the signature of an Officer of CER. 
  

 3 

 Section 3.04. As the surviving entity in its merger with CER and CNR and a Subsidiary
Guarantor, Chesapeake Appalachia, L.L.C. hereby agrees to assume all of the obligations of CNR and CER. 
  
 Section 3.05. As a result of the dissolution of Staghorn, the Company has taken all actions required to effect the release, pursuant to
Section 11.04 of the Indenture, of Staghorn as a Subsidiary Guarantor. The notation on the Securities relating to the Guarantee shall be deemed to exclude the name of Staghorn and the signature of an Officer of Staghorn on its behalf.

  
 ARTICLE 4 
  
 Section 4.01. Except as specifically modified herein, the
Indenture and the Notes are in all respects ratified and confirmed (mutatis mutandis) and shall remain in full force and effect in accordance with their terms with all capitalized terms used herein without definition having the same
respective meanings ascribed to them as in the Indenture. 
  
 Section 4.02. 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 Second Supplemental Indenture. This
Second 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. 
  
 Section 4.03. The Company hereby notifies the Trustee that Hodges Holding Company, Inc., Hodges Oilfield Company, Hodges Trucking Company, Nomac 100 Corp. and W.W. Realty, Inc. have been designated by the Board of Directors of
the Company as Restricted Subsidiaries (as that term is defined in the Indenture). 
  
 Section 4.04. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE AND ENFORCE THIS SECOND SUPPLEMENTAL INDENTURE. 
  
 Section 4.05. The parties may sign any number of copies of this Second Supplemental Indenture. Each signed copy
shall be an original, but all of such executed copies together shall represent the same agreement. 
  
 [NEXT PAGE IS SIGNATURE PAGE] 
  

 4 

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

	
	 
	
	 /s/ Aubrey K. McClendon

	 Aubrey K. McClendon

  

	
	Chief Executive Officer of the Company and of the Subsidiaries listed below:
	 

  

	
	 Corporate Subsidiaries:

	
	 CHESAPEAKE EAGLE CANADA CORP.
 CHESAPEAKE ENERGY LOUISIANA CORPORATION
 CHESAPEAKE SOUTH TEXAS CORP.
 NOMAC DRILLING CORPORATION
 OXLEY PETROLEUM CO.
 HODGES HOLDING COMPANY, INC.
 HODGES OILFIELD COMPANY
 HODGES TRUCKING COMPANY
 NOMAC 100 CORP.
 W.W. REALTY, INC.

	 

  

	
	 CHESAPEAKE OPERATING, INC.,
 On behalf of itself and, as general partner, the following limited partnerships:

	
	 CHESAPEAKE EXPLORATION LIMITED PARTNERSHIP
 CHESAPEAKE LOUISIANA, L.P.
 CHESAPEAKE SIGMA, L.P.

	 

  

	
	 CHESAPEAKE ENERGY MARKETING, INC.,

	 On behalf of itself and, as general partner, the following limited partnerships:
  
 MIDCON COMPRESSION, L.P.

	 

  

	
	Limited Liability Company Subsidiaries:
	
	 CHESAPEAKE APPALACHIA, L.L.C.
 HAWG HAULING & DISPOSAL, L.L.C.
 CARMEN ACQUISITION, L.L.C.
 CHESAPEAKE ACQUISITION, L.L.C.
 CHESAPEAKE LAND COMPANY, L.L.C.

	 

  

 5 

  

	
	 CHESAPEAKE ORC, L.L.C.
 CHESAPEAKE ROYALTY, L.L.C.
 GOTHIC PRODUCTION, L.L.C.
 MC MINERAL COMPANY, L.L.C.
 MAYFIELD PROCESSING, L.L.C.

	 

  

	
	 TRUSTEE:

	
	THE BANK OF NEW YORK TRUST COMPANY, N.A., as Trustee
	 

  

			
	 
		
	 By:
	 	 /s/ Linda Garcia

		
	 Name:
	 	 Linda Garcia

		
	 Title:
	 	 Assistant Vice President

  

 6

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