Exhibit 12.1
Cerus Corporation
Computation of Ratios of Earnings to Fixed Charges
(in thousands)
| | Years Ended December 31, | | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | Six Months Ended June 30, 2001 | ||||||||||||||||||
| | 1996 | 1997 | 1998 | 1999 | 2000 | ||||||||||||||
| Loss before provision for income taxes | $ | (10,207 | ) | $ | (14,664 | ) | $ | (29,558 | ) | $ | (22,628 | ) | $ | (36,033 | ) | $ | (23,040 | ) | |
| Add: Fixed charges | 238 | 218 | 202 | 177 | 203 | 142 | |||||||||||||
| Earnings as defined | (9,969 | ) | (14,446 | ) | (29,356 | ) | (22,451 | ) | (35,830 | ) | (22,898 | ) | |||||||
| Fixed charges | 238 | 218 | 202 | 177 | 203 | 142 | |||||||||||||
| Ratio of earnings to fixed charges | (1 | ) | (1 | ) | (1 | ) | (1 | ) | (1 | ) | (1 | ) | |||||||
Earnings for the period were insufficient to cover fixed charges by an amount equal to the loss before provison for income taxes for the period.
