Dr. Roberto Guerciolini Wellesley, MA 02481 Dear Roberto:Employment Agreement • April 30th, 2004 • Sirna Therapeutics Inc • Pharmaceutical preparations • Colorado
Contract Type FiledApril 30th, 2004 Company Industry JurisdictionThis letter shall serve to set forth the terms of employment offered to you by Sirna Therapeutics, Inc. (the “Company”) and acknowledge your acceptance of the employment on such terms as detailed below. This letter (agreement) shall become effective upon the mutually agreed upon start date of your employment with the Company (the “Effective Time”).