EX-12.1 4 a2074782zex-12_1.txt EXHIBIT 12.1 Exhibit 12.1 IDEC PHARMACEUTICALS CORPORATION AND SUBSIDIARY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (1) (in thousands, except ratios)
Years Ended December 31, ------------------------------------------ 2001 2000 1999 -------- ------- ------- Income before income tax provision 161,604 69,347 45,606 Fixed charges: Interest expense and amortization of original issue discount on all indebtedness 7,304 7,053 6,058 Interest included in rent expense 1,120 889 632 -------- ------- ------- Total fixed charges 8,424 7,942 6,690 -------- ------- ------- Income before income tax provision and fixed charges 170,028 77,289 52,296 ======== ======= ======= Ratio of earnings to fixed charges 20.18 9.73 7.82
(1) The ratio of earnings to fixed charges was computed by dividing earnings (income before income tax provision, adjusted for fixed charges) by fixed charges for the periods indicated. Fixed charges include (i) interest expense and amortization of original issue discount on all indebtedness and (ii) a reasonable approximation of the interest factor deemed to be included in rental expense.