Exhibit 31.4
CERTIFICATION
I, Kevin D. Green, certify that:
1. I have reviewed this Amendment No. 1 to the quarterly report on Form 10-Q/A of Cerus Corporation; and
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
| Date: August 30, 2011 | /s/ Kevin D. Green | |||
| Kevin D. Green | ||||
Vice President, Finance and Chief Accounting Officer (Principal Financial Officer) | ||||
