Exhibit 12.1 Calculation of Ratios of Earnings to Fixed Charges and Combined Fixed Charges and Preferred Dividends (In thousands, except ratios) Nine Months Ended September Year Ended December 31, 30, ------------------------------------------------------- -------- 1997 1998 1999 2000 2001 ---- ---- ---- ---- ---- EARNINGS AVAILABLE FOR FIXED CHARGES: Net Income $ (2,162) $ (6,860) $ (1,337) $ 38,566 $ 60,732 Less: Capitalized interest - (237) (966) (17) - Add: Fixed charges 40 603 3,870 909 453 Income tax provision - - - 20,858 34,161 ------------------------------------------------------- -------- EARNINGS AVAILABLE $ (2,122) $ (6,494) $ 1,567 $ 60,316 $ 95,346 ======================================================= ======== FIXED CHARGES: Interest expense $ - $ 279 $ 2,805 $ 748 $ 306 Capitalized interest - 237 966 17 - Rental expense representative of interest factor 40 87 99 144 147 ------------------------------------------------------- -------- TOTAL FIXED CHARGES $ 40 $ 603 $ 3,870 $ 909 $ 453 ======================================================= ======== Preferred dividends on a pre-tax basis $ 1,326 $ 7,094 $ 7,911 $ - $ - ------------------------------------------------------- -------- TOTAL FIXED CHARGES AND PREFERRED DIVIDENDS $ 1,366 $ 7,697 $ 11,781 $ 909 $ 453 ======================================================= ======== RATIO OF EARNINGS TO FIXED CHARGES (1) (1) (1) 66.35 210.48 ======================================================= ======== RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS (2) (2) (2) 66.35 210.48 ======================================================= ======== (1) Earnings were inadequate to cover fixed charges by $2.2 million, $7.1 million and $2.3 million for the years ended December 31, 1997, 1998 and 1999, respectively. (2) Earnings were inadequate to cover fixed charges and preferred dividends by $3.5 million, $14.2 million and $10.2 million for the years ended December 31, 1997, 1998 and 1999, respectively.