<Page> Exhibit 12.1 <Table> <Caption> YEAR ENDED DECEMBER 31 -------------------------------------------------------------- 2000 2001 2002 2003 2004 ---------- ---------- ---------- ---------- ---------- Earnings: (Loss) income before income taxes and minority interest $ (14,592) $ (1,588) $ 2,922 $ 7,760 $ 13,861 Income from equity investments - - - - (241) Distributed income from equity investments - - - - 326 Fixed charges 32,700 29,149 24,606 24,567 37,076 ---------- ---------- ---------- ---------- ---------- Total earnings $ 18,108 $ 27,561 $ 27,528 $ 32,327 $ 51,022 ========== ========== ========== ========== ========== Fixed charges: Interest expense $ 28,927 $ 24,904 $ 20,334 $ 20,417 $ 34,093 Amortization of deferred financing fees 1,763 1,867 2,024 2,191 1,777 Amortization of original issue discount 858 1,014 1,016 662 92 Interest factor of rental expense (1) 1,152 1,364 1,232 1,297 1,114 ---------- ---------- ---------- ---------- ---------- Total fixed charges $ 32,700 $ 29,149 $ 24,606 $ 24,567 $ 37,076 ========== ========== ========== ========== ========== Ratio of earnings to fixed charges (2) - - 1.1x 1.3x 1.4x </Table> (1) The interest factor of rental expense has been calculated using the rate implied pursuant to the terms of the rental agreements. For the periods presented, the weighted-average factor was between 20.2% and 25.4% of total rental expenses. (2) For the years ended Decmeber 31, 2000 and 2001, our earnings were insufficient to cover our fixed charges by $14,592 and $1,588, respectively.