Attached files
| file | filename |
|---|---|
| 10-K/A - FORM 10-K/A - PENWEST PHARMACEUTICALS CO | b78709ae10vkza.htm |
Exhibit 31
CERTIFICATION
I, Jennifer L. Good, in my capacity as principal executive officer and principal financial officer
of Penwest Pharmaceuticals Co., certify that:
| 1. | I have reviewed this Amendment No. 1 on Form 10-K/A (“this report”) of Penwest Pharmaceuticals Co.; 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: April 29, 2010 | /s/ Jennifer L. Good | |||
| Jennifer L. Good | ||||
| President and Chief Executive Officer (Principal Executive Officer and Principal Financial Officer) |
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