EXHIBIT 12.1 Computation of Ratio of Earnings to Fixed Charges (in thousands) Years ended December 31, Pro Forma ---------------------------------------------- ----------- 1994 1995 1996 1997 1998 1998 ---- ---- ---- ---- ---- ---- (unaudited) Earnings: Income before taxes $ 29,432 $ 30,101 $ 34,763 $ 42,707 $7,726 $ (4,600) Fixed Charges: Interest expense - - - - 21,426 32,618 Rentals 198 198 363 396 508 508 ------ ------ ------ ------ ------ ------ 198 198 363 396 21,934 33,126 Income before taxes and fixed charges $ 29,630 $ 30,299 $ 35,126 $ 43,103 $29,660 $ 28,526 Ratio of earnings to fixed charges 149.65 153.03 96.77 108.85 1.35 0.86