Exhibit 12.1 KEY PRODUCTION COMPANY, INC. Statement of Computation of Ratios of Earnings to Fixed Charges Nine Months Ended September 30, 1999 ------------------ Earnings: Pretax income 5,021,461 Plus: Fixed charges excluding capitalized interest 2,075,999 --------- 7,097,460 ========= Fixed Charges: Interest expensed including capitalized interest 3,010,672 Amortization of debt expenses 13,442 --------- 3,024,114 ========= Ratio of earnings to fixed charges 2.35 ==== 17