EXHIBIT 12.1 CODA ENERGY, INC. STATEMENT OF COMPUTATION OF RATIOS (IN THOUSANDS, EXCEPT RATIOS) Historical Pro Forma Historical ---------------------------- ------------------------- ---------------------------------------- 47 Days 44 Days Year Three Months Years Ended December 31, Ended Ended Ended Ended ---------------------------------------- February 16, March 31, December 31, March 31, 1991 1992 1993 1994 1995 1996 1996 1995 1996 ------ ------- ------ ------- ------- ------------- ------------- ------------ ------------ RATIO OF EARNINGS TO FIXED CHARGES Earnings: Net Income (loss) before income taxes $ 917 $(1,141) $3,652 $ 5,910 $ 8,957 $(1,809) $(83,051) $(7,069) $ (283) Interest Expense 2,420 2,752 4,834 5,281 8,676 1,102 2,087 18,563 4,300 ------ ------- ------ ------ ------- ------- -------- ------- ------ $3,337 $1,611 $8,486 $11,191 $17,633 $ (707) $(80,964) $11,494 $4,017 ====== ====== ====== ======= ======= ======= ======== ======= ====== Fixed charges: Interest Expense $2,420 $2,752 $4,834 $ 5,281 $ 8,676 $ 1,102 $ 2,087 $18,563 $4,300 Rental Expense Interest factor --- --- --- --- --- --- --- --- --- ------ ------ ------ ------- ------- ------- -------- ------- ------ $2,420 $2,752 $4,834 $ 5,281 $ 8,676 $ 1,102 $ 2,087 $18,563 $4,300 ====== ====== ====== ======= ======= ======= ======== ======= ====== Ratio of Earnings to fixed charges 1.4x (/1/) 1.8x 2.1x 2.0x (/1/) (/1/) (/1/) (/1/) ====== ====== ====== ======= ======= ======= ======== ======= ====== (/1/) For the historical periods ended December 31, 1992, February 16, 1996 and March 31, 1996, earnings were inadequate to cover fixed charges by $1.1 million, $1.8 million and $83.1 milion, respectively. Pro forma earnings for the year ended December 31, 1995 and the three months ended March 31, 1996 were inadequate to cover fixed charges by $7.1 million and $283, respectively.