<Page> Exhibit 12 <Table> <Caption> COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in thousands, except ratios) Three Months Ended March 31, Fiscal Year Ended December 31, ---------------------- ------------------------------------------------------- 2003 2002 2002 2001 2000 1999 1998 ----------- --------- ----------- --------- --------- --------- --------- FIXED CHARGES Interest expensed and capitalized............ $3,562 $4,472 $15,147 $13,970 $ 9,148 $ 7,977 $1,551 Amortized premiums related to indebtedness... 275 240 993 905 840 631 113 Estimate of interest within rental expense... 893 792 3,454 4,682 4,912 4,557 3,705 --------- --------- ----------- --------- --------- --------- --------- TOTAL FIXED CHARGES.............................. $4,730 $5,504 $19,594 $19,557 $14,900 $13,165 $5,369 ========= ========= =========== ========= ========= ========= ========= EARNINGS ADD Pretax income (loss) from continuing operations before minority interests in consolidated subsidiaries or income (loss) from equity investees.................................... $2,283 $(2,561) $(7,146) $(26,877) $(30,899) $ 7,533 $7,471 Fixed charges.................................. 4,730 5,504 19,594 19,557 14,900 13,165 5,369 --------- --------- --------- --------- --------- --------- --------- TOTAL ADJUSTED EARNINGS............................ $7,013 $ 2,943 $12,448 $ (7,320) $(15,999) $20,698 $12,840 ========= ========= ========= ========= ========= ========= ========= RATIO OF EARNINGS TO FIXED CHARGES................. 1.48x 0.53x 0.64x - - 1.57x 2.39x ========= ========= ========= ========= ========= ========= ========= </Table>