X0306 4 2019-04-01 0 0001346980 Chaparral Energy, Inc. CHAP 0001332659 Moore Kenneth W 701 CEDAR LAKE BLVD OKLAHOMA CITY OK 73114 1 0 0 0 Class A Common Stock 2019-04-01 4 F 0 2720 5.61 D 12752 D Exempt sale pursuant to Rule 16b-3(e) promulgated under the Securities Exchange Act of 1934. Represents shares of Class A Common Stock of the Issuer delivered for payment of tax obligations upon the vesting of 6,044 shares of restricted stock awarded under the Management Incentive Plan of the Issuer, dated as of August 9, 2017. The number of vested shares delivered was based on the closing price of the Issuer's Class A Common Stock on April 1, 2019. /s/ Dasha K. Hodge, Attorney-in-Fact 2019-04-03