SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) OCTOBER 25, 2001 (OCTOBER 24, 2001) CHESAPEAKE ENERGY CORPORATION -------------------------------------------------------------------------------- (Exact name of Registrant as specified in its Charter) OKLAHOMA 1-13726 73-1395733 ------------------------------------------------------------------------------------------------------------------- (State or other jurisdiction (Commission File No.) (IRS Employer Identification No.) of incorporation) 6100 NORTH WESTERN AVENUE, OKLAHOMA CITY, OKLAHOMA 73118 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) (405) 848-8000 -------------------------------------------------------------------------------- (Registrant's telephone number, including area code) INFORMATION TO BE INCLUDED IN THE REPORT ITEM 5. OTHER EVENTS On October 24, 2001, Chesapeake Energy Corporation ("Chesapeake") issued a press release reporting earnings of $0.38 per fully diluted share for the 2001 third quarter. A copy of the press release is filed with this Form 8-K as Exhibit 99 and is incorporated herein by reference. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. The following exhibit is filed herewith: 99. Press Release issued by the Registrant on October 24, 2001. 2 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. CHESAPEAKE ENERGY CORPORATION BY: /s/ AUBREY K. MCCLENDON ------------------------------- AUBREY K. MCCLENDON Chairman of the Board and Chief Executive Officer Dated: October 25, 2001 3 EXHIBIT INDEX EXHIBIT DESCRIPTION ------- ----------- 99 Press Release issued by the Registrant on October 24, 2001. 4