<Page> EXHIBIT 12 RATIO OF EARNINGS TO FIXED CHARGES 1997-2001 <Table> <Caption> 1997 1998 1998PF 1999 ------------------- ------------------- ------------------- -------- (YEAR ENDED DECEMBER 31) Fixed Charges Interest expense.................................... 3,922 4,108 11,400 Capitalized interest................................ -- -- -- Amortization of deferred financing costs............ 524 1,954 849 ------ ------ ------ TOTAL FIXED CHARGES................................. 4,446 6,062 12,249 ====== ====== ====== Earnings Income before income taxes and extraordinary items............................................. (2,162) 6,493 842 Fixed Charges per above............................. 4,446 6,062 12,249 13,788 less interest capitalized........................... -- 4,446 -- 6,062 -- 12,249 -- ------ ------ ------ Total Earnings...................................... 2,284 12,555 13,091 ====== ====== ====== Deficit of earnings to fixed charges................ (2,162) N/A N/A Ratio of earnings to fixed charges.................. N/A 2.07 1.07 <Caption> 1999 2000 2001 2001PF -------- ------------------- ------------------- ------------------- (YEAR ENDED DECEMBER 31) Fixed Charges Interest expense.................................... 12,025 13,599 12,880 15,401 Capitalized interest................................ -- -- 763 -- Amortization of deferred financing costs............ 1,763 2,068 2,654 690 ------ ------ ------ ------ TOTAL FIXED CHARGES................................. 13,788 15,667 16,297 16,091 ====== ====== ====== ====== Earnings Income before income taxes and extraordinary items............................................. 3,502 (6,798) (5,993) (3,798) Fixed Charges per above............................. 15,667 16,297 16,091 less interest capitalized........................... 13,788 -- 15,667 (763) 15,534 -- 16,091 ------ ------ ------ ------ Total Earnings...................................... 17,290 8,869 9,541 12,293 ====== ====== ====== ====== Deficit of earnings to fixed charges................ N/A (6,798) (6,756) (3,798) Ratio of earnings to fixed charges.................. 1.25 N/A N/A N/A <Caption> 2002-Q1 ------------------- (THREE MONTHS ENDED MARCH 31) Fixed Charges Interest expense.................................... 2,400 Capitalized interest................................ 256 Amortization of deferred financing costs............ 563 ------ TOTAL FIXED CHARGES................................. 3,219 ====== Earnings Income before income taxes and extraordinary items............................................. (2,888) Fixed Charges per above............................. 3,219 less interest capitalized........................... (256) 2,963 ------ Total Earnings...................................... 75 ====== Deficit of earnings to fixed charges................ (3,144) Ratio of earnings to fixed charges.................. N/A </Table>