EXHIBIT 12.1 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES NINE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, 2003 SEPTEMBER 30, 2002 2002 2001 2000 1999 1998 ------------------ ------------------ ------ ------ ----- ----- ----- Interest expense net of capitalized interest......................... 8,961 8,641 11,640 11,279 3,499 295 313 Rental expense full year..................... 1,602 1,911 2,548 2,707 1,069 1,016 1,348 Rental expense 1/3 of full year................. 134 159 849 902 356 339 449 ------ ----- ------ ------ ----- ----- ----- Fixed charges................................... 9,095 8,800 12,489 12,181 3,855 634 762 ------ ----- ------ ------ ----- ----- ----- Earnings (Loss) before income taxes............. (7,749) 959 (6,537) (1,779) 4,239 3,281 6,351 Amortization of capitalized interest............ (287) (676) (766) (1,207) -- -- -- ------ ----- ------ ------ ----- ----- ----- Earnings (Loss) before income taxes and amortization of capitalized interest......... (8,036) 283 (7,303) (2,986) 4,239 3,281 6,351 ------ ----- ------ ------ ----- ----- ----- "Earnings" ("Loss") is fixed charges plus earnings (loss) before income taxes and amortization of capitalized interest......... 1,059 9,083 5,186 9,195 8,094 3,915 7,113 ------ ----- ------ ------ ----- ----- ----- Ratio of "earnings" ("loss") to fixed charges... 0.1 1.0 0.4 0.8 2.1 6.2 9.3 ------ ----- ------ ------ ----- ----- ----- Preferred dividends............................. -- -- -- -- -- -- -- ------ ----- ------ ------ ----- ----- ----- Fixed charges and preferred dividends........... 9,095 8,800 12,489 12,181 3,855 634 762 ------ ----- ------ ------ ----- ----- ----- Ratio of "earnings" ("loss") to fixed charges and preferred dividends...................... 0.1 1.0 0.4 0.8 2.1 6.2 9.3 ------ ----- ------ ------ ----- ----- -----