1 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) APRIL 20, 1998 ----------------------- CHESAPEAKE ENERGY CORPORATION - -------------------------------------------------------------------------------- (Exact name of Registrant as specified in its Charter) OKLAHOMA 1-13726 73-1395733 - -------------------------------------------------------------------------------- (State or other jurisdiction (Commission (IRS Employer Identification No.) of incorporation) File Number) 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)

2 INFORMATION TO BE INCLUDED IN THE REPORT ITEM 5. OTHER EVENTS On April 20, 1998, Chesapeake Energy Corporation ("Chesapeake") issued a press release announcing completion of $500 million senior notes and $200 million preferred stock offerings. The April 20, 1998 press release is filed herewith as Exhibit 99 and 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 April 20, 1998. 2

3 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: April 20, 1998 3

4 EXHIBIT INDEX EXHIBIT DESCRIPTION - ------- ----------- 99 Press Release issued by the Registrant on April 20, 1998. 4

1 EXHIBIT 99 CONTACT: MARC ROWLAND, CHIEF FINANCIAL OFFICER (405) 848-8000, EXT. 232 FOR IMMEDIATE RELEASE TOM PRICE, JR., VICE PRESIDENT- APRIL 20, 1998 CORPORATE DEVELOPMENT (405) 848-8000, EXT. 257 CHESAPEAKE ANNOUNCES COMPLETION OF $500 MILLION SENIOR NOTES AND $200 MILLION PREFERRED STOCK OFFERINGS OKLAHOMA CITY, OKLAHOMA, APRIL 20, 1998 -- Chesapeake Energy Corporation (NYSE: CHK) today announced that it expects to complete on April 22, 1998 a Rule 144A private placement of $500 million of 9.625% senior notes due 2005 and $200 million of 7.0% convertible preferred stock subject to customary closing conditions. The senior notes and the preferred stock have not been registered under the Securities Act of 1933 and may not be sold in the United States in the absence of an effective registration statement or pursuant to an available exemption from the registration requirements of the Securities Act. #### Chesapeake Energy Corporation is an independent oil and natural gas producer headquartered in Oklahoma City. The company's operations are focused on exploratory and developmental drilling and producing property and corporate acquisitions in major onshore producing areas of the United States and Canada. The company's Internet address is http://www.chesapeake-energy.com.