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- 10-K Annual report
- 4.1.1 Ninth Supplemental Indenture to Indenture Dated May 27, 2004
- 4.2.1 Ninth Supplemental Indenture to Indenture Dated As of August 2, 2004
- 4.3.1 Thirteenth Supplemental Indenture to Indenture Dated As of December 20, 2002
- 4.6.1 Twelfth Supplemental Indenture to Indenture Dated As of March 5, 2003
- 4.7.1 Tenth Supplemental Indenture to Indenture Dated As of November 26, 2003
- 4.8.1 Eigth Supplemental Indenture to Indenture Dated As of December 8, 2004
- 4.9.1 Sixth Supplemental Indenture to Indenture Dated As of April 19, 2005
- 4.10.1 Fifth Supplemental Indenture to Indenture Dated As of June 20, 2005
- 4.11.1 Sixth Supplemental Indenture to Indenture Dated As of August 16, 2005
- 4.12.1 Fifth Supplemental Indenture to Indenture Dated As of November 8, 2005
- 4.13.1 Fifth Supplemental Indenture to Indenture Dated As of November 8, 2005
- 4.14.1 Second Supplemental Indenture to Indenture Dated As of June 30, 2006
- 4.15.1 First Supplemental Indenture to Indenture Dated As of December 6, 2006
- 10.1.18 Chesapeake's Long Term Incentive Plan
- 10.2.5 Employment Agreement
- 10.5 Named Executive Officer Compensation
- 12 Ratios of Earnings to Fixed Charges
- 21 Subsidiaries
- 23.1 Consent of Pricewaterhouse Coopers, LLP
- 23.2 Consent of Netherland, Sewell & Associates, Inc.
- 23.3 Consent of Data & Consulting Services
- 23.4 Consent of Lee Keeling and Associates, Inc.
- 23.5 Consent of Ryder Scott Company L.P.
- 23.6 Consent of Laroche Petroleum Consultants, LTD.
- 31.1 Section 302 CEO Certification
- 31.2 Section 302 CFO Certification
- 32.1 Section 906 CEO Certification
- 32.2 Section 906 CFO Certification
Exhibit 23.4
CONSENT OF LEE KEELING AND ASSOCIATES, INC.
As independent oil and gas consultants, Lee Keeling and Associates, Inc. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191 and 333-135949) and Form S-3 (File Nos. 333-116461, 333-125682, 333-130196, 333-132261, 333-132262, 333-138966 and 333-139053) of Chesapeake Energy Corporation of information from our reserve report dated February 2, 2007, entitled “Estimated Oil and Gas Properties Interest Owned by Chesapeake Energy Corporation Selected Properties Constant Prices and Expenses Effective Date January 1, 2007” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2007.
By: | /s/ LEE KEELING AND ASSOCIATES, INC. | |
LEE KEELING AND ASSOCIATES, INC. |
Tulsa, Oklahoma
February 26, 2007