Item 8.01 Other Events.

On May 21, 2009, Chesapeake Energy Corporation issued a press release announcing that the Company is commemorating its 20th anniversary, celebrating its rise from a start-up company with $50,000 of capital, no proved reserves or natural gas production and fewer than 10 employees to become the nation's largest independent producer of clean-burning U.S. natural gas. A copy of this press release is attached as Exhibit 99.1 to this Current Report.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits. See "Index to Exhibits" attached to this Current Report on Form 8-K, which is incorporated by reference herein.

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