X0306 4 2016-08-05 false 0001168054 CIMAREX ENERGY CO XEC 0001306332 Barron Francis Brian 1700 LINCOLN STREET SUITE 3700 DENVER CO 80203 false true false false Sr VP-General Counsel Common Stock 2016-08-05 4 S false 2622 126.3654 D 69209 D Common Stock 2016-08-05 4 S false 1170 127.2145 D 68039 D The price reported in Column 4 for August 5, 2016 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.810 to $126.740, inclusive. The reporting person undertakes to provide to Cimarex Energy Co., any security holder of Cimarex Energy Co. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The amount of shares beneficially owned as reported in column 5 includes 58,039 shares of restricted stock subject to service-based vesting and the satisfaction of certain performance criteria. The price reported in Column 4 for August 5, 2016 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.810 to $127.780, inclusive. The reporting person undertakes to provide to Cimarex Energy Co., any security holder of Cimarex Energy Co. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Francis B. Barron 2016-08-08