Press Release

Chaparral Energy

Chaparral Energy Schedules Second Quarter 2009 Earnings Conference Call

(Oklahoma City) August 10, 2009 – Chaparral Energy, Inc. announced today it will hold a conference call on Friday, August 14, at 9:00 a.m. Central to discuss its second quarter 2009 financial and operating results. The Company plans to file its form 10-Q for the quarter ending June 30, 2009 that morning before the conference call.

Interested parties may participate in the call by dialing (877) 941-9205 and asking for the Chaparral Energy conference call 10 minutes prior to the start time. The conference call will also be accessible via live webcast in the investor relations section of the Company’s website at www.chaparralenergy.com.

About Chaparral Energy

Chaparral Energy, Inc. is an independent oil and natural gas production and exploitation company, headquartered in Oklahoma City. Since its inception in 1988, the Company has increased reserves and production primarily by acquiring and enhancing properties in its core areas of the Mid-Continent and the Permian Basin. Beginning in 2000, Chaparral expanded its geographic focus to include Ark-La-Tex, North Texas, the Gulf Coast and the Rocky Mountains.

Investor and Media Contact:

John Kilgallon

Director, Investor Relations

(405) 426-4035

John.Kilgallon@chaparralenergy.com