Chesapeake Energy Corporation Announces Change in Scheduling of Fourth Quarter And 2002 Full-Year Earnings Conference Call

As previously announced, Chesapeake Energy Corporation has scheduled its fourth quarter and 2002 full-year earnings release to be issued after the close of trading on the New York Stock Exchange on Monday, February 24, 2003.

However, the timing of the conference call to discuss those results has been changed to 9:00 a.m. EST on Tuesday morning, February 25, 2003. The timing of the call had previously been announced as 10:00 a.m. EST. The telephone number to access the conference call remains 913.981.5533. We encourage those who would like to participate in the call to place your calls between 8:50 and 9:00 am EST.

For those unable to participate in the conference call, a replay will be available for audio playback at 12:00 pm EST on Tuesday, February 25 and will run through midnight Monday, March 10, 2003. The number to access the conference call replay is 719.457.0820; passcode for the replay is 720863.

The conference call will also be simulcast live on the Internet and can be accessed by going directly to the Chesapeake website at and selecting "Conference Calls" under the "Investor Relations" section. The webcast of the conference call will be available on our website indefinitely.

Chesapeake Energy Corporation is one of the 10 largest independent natural gas producers in the U.S. Headquartered in Oklahoma City, the company's operations are focused on 3-D seismic delineated exploratory drilling combined with developmental drilling and producing property acquisitions in the Mid- Continent region of the United States. The company's Internet address is .

SOURCE: Chesapeake Energy Corporation

CONTACT: Marc Rowland, Executive Vice President and Chief Financial
Officer, +1-405-879-9232, or Tom Price, Jr., Senior Vice President, Corporate
Development, +1-405-879-9257, both of Chesapeake Energy Corporation