0000950134-06-017433 Sample Contracts

September 6, 2006 Fabio Benedetti, M.D. Onyx Pharmaceuticals, Inc. 2100 Powell Street Emeryville, CA 94608 Dear Fabio:
Severance Agreement • September 7th, 2006 • Onyx Pharmaceuticals Inc • Biological products, (no disgnostic substances) • California

This letter sets forth the terms of our agreement with respect to the termination of your employment with Onyx Pharmaceuticals, Inc. (“Onyx” or the “Company”).