EXHIBIT 12.2 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Years Ended December 31, ------------------------------------------------------------- Six Months Ended 1996 1997 1998 1999 2000 June 30, 2001 --------- --------- ------- ------- -------- ---------------- (dollars in thousands) Fixed Charges: Interest expense on indebtedness $ 15,996 $ 14,685 $ 6,857 $ 5,556 $ 14,773 $ 15,284 Interest expense on portion of rent expense representative of interest 435 394 340 366 350 183 Total Fixed Charges $ 16,431 $ 15,079 $ 7,197 $ 5,922 $ 15,123 $ 15,467 Earnings (Loss): Net income (loss) before provision income taxes and minority interest $(189,389) $(160,544) $34,876 $84,735 $152,981 158,193 Fixed charges per above 16,431 15,079 7,197 5,922 15,123 15,467 Total earnings (loss) $(172,958) $(145,465) $42,073 $90,657 $168,104 $173,660 Ratio of earnings to fixed charges (10.5) (9.7) 5.9 15.3 11.1 11.2 Coverage deficiency $(189,389) $(160,544) -- -- -- --