EXHIBIT 12.1 STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (In thousands) YEAR ENDED DECEMBER 31, 1998 1999 2000 2001 2002 ------------------------------------------------------------ Earnings: Income before income taxes $ 6,334 $ 20,151 $ 47,499 $ 50,340 $ 88,579 Fixed charges per below 5,420 12,142 29,453 31,093 33,839 Less: capitalized interest per below -- -- 8 213 218 Current period amortization of interest capitalized in prior periods -- -- -- -- -- ------------------------------------------------------------ Total earnings $ 11,754 $ 32,293 $ 76,944 $ 81,220 $122,200 ============================================================ Fixed charges and preferred stock dividends: Interest expense $ 3,458 $ 11,531 $ 28,705 $ 30,045 $ 32,228 Capitalized interest -- -- 8 213 218 Interest portion of rent expense 197 611 740 835 1,393 Preferred dividend requirements 1,765 -- -- -- -- ------------------------------------------------------------ Total fixed charges and preferred stock dividends $ 5,420 $ 12,142 $ 29,453 $ 31,093 $ 33,839 ============================================================ Ratio of earnings to combined fixed charges and preferred stock 2.2 2.7 2.6 2.6 3.6 ============================================================