X0203 0000876661 NEW YORK STOCK EXCHANGE LLC 0001346980 Chaparral Energy, Inc. 001-38602

701 CEDAR LAKE BOULEVARD OKLAHOMA CITY OK OKLAHOMA 73114

405-478-8770 Class A Common Stock 17 CFR 240.12d2-2(b) Jonathan Martin Manager, Market Watch and Proxy Compliance 2020-09-01