Press Release

Chaparral Energy

Chaparral Energy Announces 2006 Fourth Quarter and Year-End Earnings Conference Call for Bondholders

OKLAHOMA CITY, OK – March 29, 2007 – Chaparral Energy, Inc. (Bloomberg: CHAPAR) announced today that the Company has scheduled a conference call for its bondholders to be held at 11:00 a.m. Eastern time (10:00 a.m. Central) on Wednesday, April 4, 2007 to discuss fourth quarter financial results. Bondholders are requested to call DRG&E at (713) 529-6600 before April 4th in order to obtain a dial-in number for the call.

What: Chaparral Energy Fourth Quarter 2006 Earnings Conference Call
When: Wednesday, April 4, 2007 at 11:00 a.m. Eastern
How: Live via phone – Please call DRG&E at 713-529-6600 before April 4, 2007 to obtain the conference call phone number.

Chaparral Energy, Inc. is an independent oil and natural gas production and exploitation company, headquartered in Oklahoma City, Oklahoma. 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 East Texas, North Texas, the Gulf Coast and the Rocky Mountains and also increased the percentage of capital expenditures allocated to developmental drilling.

Contacts:
Chaparral Energy, Inc.
Joe Evans, EVP & CFO
405-478-8770

DRG&E
Ken Dennard, Managing Partner
713-529-6600M