-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, Vx4qRq6wF0/d7utrrmrq6zA8xkalAsopWYnvjDm/ObH3dzT5oIdHan7NRlrQTwdi zeTz3GMgqTEJQtVESJ3swg== 0000895126-08-000435.txt : 20081002 0000895126-08-000435.hdr.sgml : 20081002 20081002163528 ACCESSION NUMBER: 0000895126-08-000435 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20080930 FILED AS OF DATE: 20081002 DATE AS OF CHANGE: 20081002 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Grigsby Jennifer M CENTRAL INDEX KEY: 0001392889 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13726 FILM NUMBER: 081103910 BUSINESS ADDRESS: BUSINESS PHONE: 405-848-8000 MAIL ADDRESS: STREET 1: 6100 N WESTERN AVENUE STREET 2: POST OFFICE BOX 18496 CITY: OKLAHOMA CITY STATE: OK ZIP: 73154-0496 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CHESAPEAKE ENERGY CORP CENTRAL INDEX KEY: 0000895126 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 731395733 STATE OF INCORPORATION: OK FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 6100 N WESTERN AVE CITY: OKLAHOMA CITY STATE: OK ZIP: 73118 BUSINESS PHONE: 4058488000 MAIL ADDRESS: STREET 1: 6100 NORTH WESTERN AVE CITY: OKLAHOMA CITY STATE: OK ZIP: 73118 4 1 edgardoc.xml PRIMARY DOCUMENT X0303 4 2008-09-30 0 0000895126 CHESAPEAKE ENERGY CORP CHK 0001392889 Grigsby Jennifer M 6100 N. WESTERN AVE. OKLAHOMA CITY OK 73118 0 1 0 0 SVP, TREASURER AND SECRETARY Common Stock 2008-09-30 4 A 0 1479 35.86 A 116032 D By: Amy M. Sanders For: Jennifer M. Grigsby 2008-10-02 EX-24 2 jmg10012008poaams.htm EDGAR SUPPORTING DOCUMENT Unassociated Document

POWER OF ATTORNEY
For Executing Forms 3, 4 and 5


Know all by these presents, that the undersigned, Jennifer M. Grigsby, hereby constitutes and appoints Amy M. Sanders, signing singly, her true and lawful attorney-in-fact to:

(1)           execute for and on behalf of the undersigned Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2)           do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete the execution of any such Form 3, 4 or 5 and the timely filing of such form with the United States Securities and Exchange Commission and any other authority; and

(3)           take any other action of any type whatsoever in connection with the foregoing, including the execution of a Form ID, which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve, in her discretion.

The undersigned hereby grants to such attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as such attorney-in-fact might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or her substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming any of the undersigned’s responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 1st day of October, 2008.
     
   
By: 
  /s/ Jennifer M. Grigsby
     
Jennifer M. Grigsby

 
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