X0306 4 2022-12-15 0000077877 PDC ENERGY, INC. PDCE 0001394633 Peterson Lynn A 1775 SHERMAN STREET, SUITE 3000 DENVER CO 80203 1 Common Stock 2022-12-15 4 S 0 6278 64.03 D 254889 D Common Stock 2022-12-15 4 S 0 722 64.50 D 254167 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2021, as amended on March 23, 2022. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.36 to $64.34, inclusive. The reporting person undertakes to provide to the issuer, any security holder of issuer, or the staff of the Security and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3). The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.39 to $64.68 inclusive. /s/ Nicole L. Martinet, by power of attorney 2022-12-16