Press Release

Chaparral Energy

Chaparral Energy, Inc. Announces Completion of Investment by CCMP Capital

Oklahoma City, Oklahoma and New York, New York – April 12, 2010 – Chaparral Energy, Inc. (“Chaparral” or the “Company”) is pleased to announce the completion of a $345 million investment in the Company by affiliates of CCMP Capital Advisors, LLC (“CCMP”). Through this investment, CCMP has acquired 37% of the Company.

Since its inception in 1988, Chaparral has increased reserves and production by acquiring and enhancing properties in its core areas of the Mid-Continent and the Permian Basin. Beginning in 2000, the Company expanded its geographic focus to include Ark-La-Tex, North Texas, the Gulf Coast and the Rocky Mountains. Chaparral is a growing energy company known for its expertise in conventional, unconventional, and enhanced oil recovery projects in the Mid-Continent and Permian Basin.

Chaparral’s new board of directors consists of Mark Fischer, Chaparral CEO, President and co-founder, Chuck Fischer, Chaparral co-founder, Aubrey McClendon, CEO of Chesapeake Energy Corporation (NYSE: CHK), and CCMP managing directors Christopher Behrens and Karl Kurz. Mssrs. Behrens and Kurz lead CCMP Capital’s energy investment practice. Mr. Behrens has been with the firm since 1994 and was responsible for numerous investments in the sector including Patina Oil & Gas, Carrizo Oil & Gas, Bear Paw Energy, Brand Energy & Infrastructure Services, and Encore Acquisition Company. Mr. Kurz joined CCMP in September 2009 with over two decades of industry experience, most recently serving as the Chief Operating Officer of Anadarko Petroleum Corporation.

Concurrent with the completion of this transaction, Chaparral and its subsidiaries entered into a new 4-year, $450 million senior secured credit facility with a group of lenders led by J.P. Morgan Securities, Inc. Upon closing of the transactions the outstanding balance under the credit facility was $175 million with remaining availability of $275 million.

Contact:

Chaparral Energy
Joe Evans, CFO
(405) 478-8770
joe.evans@chaparralenergy.com

CCMP Capital
Allison Cole
(212) 600-9600
allison.cole@ccmpcapital.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.

About CCMP Capital
CCMP Capital Advisors, LLC, is a leading global private equity firm specializing in buyouts and growth equity investments in companies ranging from $500 million to more than $3 billion in size. CCMP Capital focuses on five primary industries: Consumer/Retail; Industrial; Energy; Healthcare; and Media. Selected investments under management include: ARAMARK Corporation, Edwards Limited, Francesca’s Collections, Generac Power Systems, Grupo Corporativo ONO, LHP Hospital Group, Quiznos Sub and Warner Chilcott. CCMP Capital’s founders have invested over $12 billion since 1984. CCMP Capital's latest fund, CCMP Capital Investors II, L.P., closed in September 2007 with commitments of $3.4 billion.

CCMP Capital has offices in New York, Houston and London. Through active management, its global resources and its powerful value creation model, CCMP Capital has established a reputation as a world-class investment partner.

For more information, please visit www.ccmpcapital.com.

CCMP Capital is a registered investment adviser with the Securities and Exchange Commission.

Forward Looking Statements
This news release contains forward-looking statements. Forward-looking statements give our current expectations or forecasts of future events based on assumptions and estimations that management believes are reasonable given currently available information. Forward-looking statements in this news release relate to, among other things, the closing of the offering, the closing of a new senior secured revolving credit facility and the use of proceeds from the proposed offering. Information on risks and uncertainties that could cause actual results to differ materially from those contemplated by the forward-looking statements is available in Chaparral's filings with the Securities and Exchange Commission.