EX-12.1 11 f67803ex12-1.txt EXHIBIT 12.1 1 EXHIBIT 12.1 STATEMENT REGARDING COMPUTATION OF RATIOS Aviron Ratio of fixed charges (in thousands, except ratio)
NINE MONTHS YEARS ENDED DECEMBER 31, ENDED ---------------------------------------------------- SEPTEMBER 31, 1995 1996 1997 1998 1999 2000 ------- ------- ------- ------- ------- ------- Net Loss ............................................. (11,403) (17,501) (26,502) (54,802) (61,870) (57,007) Add: Fixed charges ................................... 190 245 239 5,022 6,620 6,421 ------- ------- ------- ------- ------- ------- Earnings as defined .................................. (11,213) (17,256) (26,263) (49,780) (55,250) (50,586) ======= ======= ======= ======= ======= ======= Estimated interest component of rent ................. 32 53 60 140 256 244 Interest expense (1) ................................. 158 192 180 4,882 6,364 6,177 ------- ------- ------- ------- ------- ------- Total fixed charges .................................. 190 245 239 5,022 6,620 6,421 ======= ======= ======= ======= ======= ======= Ratio ................................................ (2) (2) (2) (2) (2) (2)
(1) Includes amortization of debt issuance costs (2) Earnings (as defined) for the period were insufficient to cover fixed charges by an amount equal to the net loss for the period.