Press Release

Chaparral Energy

Chaparral Energy Schedules First Quarter Earnings Conference Call

<p>Oklahoma City, May 5, 2015 — Chaparral Energy, Inc. will hold its first quarter financial and operating results conference call on Tuesday, May 12, at 9 a.m. Central. The call will follow the company’s May 12 Form 10-Q filing. To review results before the call, a copy of the 10-Q will be available on the Investor section of the company’s website at <a href="http://www.chaparralenergy.com/investors">chaparralenergy.com/investors</a> or the Securities and Exchange Commission’s website at <a href="http://www.sec.gov" target="_blank">sec.gov</a>.</p>
<p>Interested parties may access the call toll-free at 888-455-2260 and ask for the Chaparral Energy conference call 10 minutes prior to the start time. The conference ID number is 9591078.</p>
<p>In addition, a live webcast of the call will be available through the Investor section of the company’s website. For those who cannot listen to the live call, a telephonic replay will be available through Tuesday, May 26, by calling 888-203-1112. The passcode is 9591078. An archive of the call will also be available shortly after its conclusion on the Investor section of the company’s website.</p>
<p><strong>About Chaparral</strong><br>Founded in 1988 and headquartered in Oklahoma City, Chaparral is a pure play Mid-Continent independent oil and natural gas exploration and production company. The company has capitalized on its sustained success in the Mid-Continent area in recent years by expanding its holdings to become a leading player in the liquids-rich Northern Oklahoma Mississippian and the oil-rich Panhandle Marmaton plays. Chaparral is also the nation’s third-largest carbon dioxide enhanced oil recovery producer based on active projects. This position is underscored by its activity in the world-class North Burbank Unit in Osage County, Oklahoma, which is the largest oil recovery unit in the state. For more information, please visit chaparralenergy.com.</p>