Exhibit 12.1 Calculation of Ratios of Earnings to Fixed Charges and Combined Fixed Charges and Preferred Dividends (In Thousands, Except Ratios) Six Months Ended June 30, Year Ended December 31, ----------------- ---------------------------------------------------- 2002 2001 2001 2000 1999 1998 1997 ---- ---- ---- ---- ---- ---- ---- EARNINGS AVAILABLE FOR FIXED CHARGES: Net income (loss) .............. $11,798 $49,929 $ 66,226 $ 38,566 $ (1,337) $(6,860) $(2,162) Less: Capitalized interest ..... -- -- -- (17) (966) (237) -- Add: Fixed charges ............. 596 362 576 909 3,870 603 40 Income tax provision ........... 6,636 28,085 37,252 20,858 -- -- -- ------- ------- -------- -------- -------- ------- ------- EARNINGS AVAILABLE .................. $19,030 $78,376 $104,054 $ 60,316 $ 1,567 $(6,494) $(2,122) ======= ======= ======== ======== ======== ======= ======= FIXED CHARGES: Interest expense ............... $ 449 $ 258 $ 381 $ 748 $ 2,805 $ 279 $ -- Capitalized interest ........... -- -- -- 17 966 237 -- Rental expense representative of interest factor .............. 147 104 195 144 99 87 40 ------- ------- -------- -------- -------- ------- ------- TOTAL FIXED CHARGES ................. $ 596 $ 362 $ 576 $ 909 $ 3,870 $ 603 $ 40 ======= ======= ======== ======== ======== ======= ======= Preferred dividends on a pre-tax basis ................ $ -- $ -- $ -- $ -- $ 7,911 $ 7,094 $ 1,326 ------- ------- -------- -------- -------- ------- ------- TOTAL FIXED CHARGES AND PREFERRED DIVIDENDS......................... $ 596 $ 362 $ 576 $ 909 $ 11,781 $ 7,697 $ 1,366 ======= ======= ======== ======== ======== ======= ======= RATIO OF EARNINGS TO FIXED CHARGES... 31.93 216.51 180.65 66.35 (1) (1) (1) ======= ======= ======== ======== ======== ======= ======= RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS .......... 31.93 216.51 180.65 66.35 (2) (2) (2) ======= ======= ======== ======== ======== ======= ======= (1) Earnings were inadequate to cover fixed charges by $2.3 million, $7.1 million and $2.2 million for the years ended December 31, 1999, 1998 and 1997, respectively. (2) Earnings were inadequate to cover fixed charges and preferred dividends by $10.2 million, $14.2 million and $3.5 million for the years ended December 31, 1999, 1998 and 1997, respectively.