1 EXHIBIT 12.1 SNYDER OIL CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) PRO FORMA YEARS ENDED DECEMBER 31, AS ------------------------------------------------------- ADJUSTED 1989 1990 1991 1992 1993 1993(A) ------- -------- -------- -------- -------- -------- (DOLLARS IN THOUSANDS) Income before taxes, extraordinary item, and and accounting change......... $ 7,321 $ 9,857 $ 11,439 $ 17,305 $ 34,909 $ 31,440 Interest expense................ 761 6,273 8,452 4,997 5,315 3,034 Pro forma Notes interest........ 0 0 0 0 0 5,750 ------- -------- -------- -------- -------- -------- Earnings before fixed charges... 8,082 16,130 19,891 22,302 40,224 40,224 ------- -------- -------- -------- -------- -------- ------- -------- -------- -------- -------- -------- Fixed Charges: Interest expense................ 761 6,273 8,452 4,997 5,315 3,034 Pro forma Notes interest........ 0 0 0 0 0 5,750 ------- -------- -------- -------- -------- -------- $ 761 $ 6,273 $ 8,452 $ 4,997 $ 5,315 $ 8,784 ------- -------- -------- -------- -------- -------- ------- -------- -------- -------- -------- -------- Ratio of earnings to fixed charges.............. 10.62 2.57 2.35 4.46 7.57 4.58 ------- -------- -------- -------- -------- -------- ------- -------- -------- -------- -------- -------- - --------------- (a) Presented pro forma for the Convertible Subordinated Notes, based on $100,000,000 at the average yield of 5.75%.