Exhibit 12.1 KEY PRODUCTION COMPANY, INC. Statement of Computation of Ratios of Earnings to Fixed Charges Three Months Ended March 31, 2000 ------------------ Earnings: Pretax income 6,649 Plus: Fixed charges excluding capitalized interest 923 ----- 7,572 ===== Fixed Charges: Interest expensed including capitalized interest 1,132 Amortization of debt expenses 83 ----- 1,215 ===== Ratio of earnings to fixed charges 6.23 ===== 1