X0306 4 2019-03-15 0 0001346980 Chaparral Energy, Inc. CHAP 0001747243 Walker Joshua Duane 701 CEDAR LAKE BLVD OKLAHOMA CITY OK 73114 0 1 0 0 See Remarks Class A Common Stock 2019-03-15 4 F 0 1938 4.76 D 53062 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 or withheld for payment of withholding taxes upon the vesting of 4,066 shares of restricted stock awarded under the Management Incentive Plan of the Issuer, dated as of August 9, 2017. The number of vested shares withheld was based on the closing price of the Issuer's Class A Common Stock on March 15, 2019. Vice President - Completions & Operations /s/ Dasha K. Hodge, Attorney-in-Fact 2019-03-19