EXHIBIT 12.1 CODA ENERGY, INC. STATEMENT OF COMPUTATION OF RATIOS (IN THOUSANDS, EXCEPT RATIOS) Years Ended December 31, --------------------------------------------------------- Historical Pro Forma ---------- ---------------------------------------------- 1991 1992 1993 1994 1995 1995 ---- ---- ---- ---- ---- ---- RATIO OF EARNINGS TO FIXED CHARGES Earnings: Net Income (loss) before income taxes $ 917 $(1,141) $3,652 $ 5,910 $ 8,957 $(6,607) Interest Expense 2,420 2,752 4,834 5,281 8,676 18,840 ------ ------- ------ ------- ------- ------- $3,337 $ 1,611 $8,486 $11,191 $17,633 $12,233 ====== ======= ====== ======= ======= ======= Fixed charges: Interest Expense $2,420 $ 2,752 $4,834 $ 5,281 $ 8,676 $18,840 Rental Expense Internal factor --- --- --- --- --- --- ------ ------- ------ ------- ------- ------- $2,420 $ 2,752 $4,834 $ 5,281 $ 8,676 $18,840 ====== ======= ====== ======= ======= ======= Ratio of Earnings to fixed charges 1.4x (/1/) 1.8x 2.1x 2.0x (/1/) ====== ======= ====== ======= ======= ======= (/1/) For the years ended December 31, 1992 and pro forma 1995, earnings were inadequate to cover fixed charges by $1.1 million and $6.6 million, respectively.