EXHIBIT 12.1 COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (DOLLARS IN THOUSANDS) FISCAL YEAR ENDED ----------------------------------------------------- 1993 1994 1995 1996 1997 --------- --------- --------- --------- --------- Interest expense...... $ 2,909 $2,836 $3,039 $ 2,771 $ 5,900 Estimated interest portion of rent expense............. 283 174 335 381 468 ------- ------ ------ ------- ------- Fixed charges......... $ 3,192 $3,010 $3,374 $ 3,152 $ 6,368 ------- ------ ------ ------- ------- ------- ------ ------ ------- ------- Income (loss) before income taxes........ $(1,036) $3,408 $5,966 $ 8,499 $(5,761) Fixed charges......... 3,192 3,010 3,374 3,152 6,368 Less: interest charges capitalized.. (12) (11) (30) (19) (29) ------- ------ ------ ------- ------- Earnings ............. $ 2,144 $6,407 $9,310 $11,632 $ 578 ------- ------ ------ ------- ------- ------- ------ ------ ------- ------- Ratio of earnings to fixed charges(A).... -- 2.1x 2.8x 3.7x -- ------- ------ ------ ------- ------- ------- ------ ------ ------- ------- - ------------------------ (A) Earnings were insufficient to cover fixed charges by $1,048 and $5,790 in fiscal years 1993 and 1997, respectively.