X0303 4 2011-03-21 false 0001168054 CIMAREX ENERGY CO XEC 0001196776 KORUS PAUL 1700 LINCOLN STREET SUITE 1800 DENVER CO 80203 false true false false Sr Vice Pres, CFO Common Stock 2011-03-21 4 S false 5000 110.229 D 197490 D The price reported in Column 4 for March 21, 2011 sales is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.139 to $110.32, 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 Thomas A Richardson 2011-03-21