EXHIBIT 12.1 ------------ STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (In thousands) YEAR ENDED DECEMBER 31, 1997 1998 1999 2000 2001 -------- -------- -------- -------- -------- Earnings: Income (loss) before income taxes $ (3,367) $ 6,334 $ 20,151 $ 47,499 $ 50,645 Fixed Charges per below 2,609 5,420 12,142 29,453 31,093 Less: Capitalized interest per below -- -- -- 8 213 Current period amortization of interest capitalized in prior periods -- -- -- -- -- -------- -------- -------- -------- -------- Total Earnings $ (758) $ 11,754 $ 32,293 $ 76,944 $ 81,525 ======== ======== ======== ======== ======== Fixed Charges and Preferred Stock Dividends: Interest expense $ 1,957 $ 3,458 $ 11,531 $ 28,705 $ 30,045 Capitalized interest -- -- -- 8 213 Interest portion of rent expense 63 197 611 740 835 Preferred dividend requirements 589 1,765 -- -- -- -------- -------- -------- -------- -------- Total Fixed Charges and Preferred Stock Dividends $ 2,609 $ 5,420 $ 12,142 $ 29,453 $ 31,093 ======== ======== ======== ======== ======== Ratio of Earnings to Combined Fixed Charges and Preferred Stock -- 2.2 2.7 2.6 2.6 ======== ======== ======== ======== ======== Dollar Amount of Deficiency Below 1.0 $ 3,367 N/A N/A N/A N/A ======== ======== ======== ======== ========