Press Release

Chaparral Energy

Chaparral to Present at Seaport Global

Chaparral to Present at 2018 Seaport Global Conference.pdf

Oklahoma City, August 23, 2018 — Chaparral Energy, Inc. (NYSE: CHAP) today announced the company will be attending the Seaport Global Energy and Industrials Conference in Chicago on Wednesday, August 29, where it will hold one-on-one meetings throughout the day. A copy of the company’s most recent presentation is available on the Investor page of its website at chaparralenergy.com/investors.

About Chaparral

Chaparral Energy (NYSE: CHAP) is an independent oil and natural gas exploration and production company headquartered in Oklahoma City. Founded in 1988, Chaparral is a pure-play operator focused in Oklahoma’s highly economic STACK Play, where it has approximately 119,000 net acres primarily in Kingfisher, Canadian and Garfield counties. The company has approximately 315,000 net surface acres in the Mid-Continent region. For more information, visit chaparralenergy.com.

Investor Contact

Joe Evans

Chief Financial Officer

405-426-4590

joe.evans@chaparralenergy.com

Media Contact

Brandi Wessel

Communications Manager

405-426-6657

brandi.wessel@chaparralenergy.com