1 EXHBIT 12.1 Ratio of Earnings to Fixed Charges Year Ended December 31, ------------------------------------------------------- 1999 1998 1997 1996 1995 ---- ---- ---- ---- ---- Fixed Charges: Interest expense on indebtedness (including amortization of debt expense and discount) $ 14,146 $ 191 $ 446 $ 422 $ 566 Interest expense on portion of rent expense representative of interest 2,951 1,299 1,072 843 724 -------- -------- -------- ------- -------- Total Fixed Charges $ 17,097 $ 1,490 $ 1,518 $ 1,265 $ 1,290 ======== ======== ======== ======= ======== Earnings (Loss): Net loss before provision for income taxes $(41,944) $(22,957) $(21,148) $(7,559) $(32,719) Fixed charges per above 17,097 1,490 1,518 1,265 1,290 -------- -------- -------- ------- -------- Total Earnings (Loss) $(24,847) $(21,467) $(19,630) $(6,294) $(31,429) ======== ======== ======== ======= ======== Ratio of Earnings to Fixed Charges (1.45) (14.41) (12.93) (4.98) (24.37) ======== ======== ======== ======= ======== Coverage deficiency $(41,944) $(22,957) $(21,148) $(7,559) $(32,719) ======== ======== ======== ======= ========