Dr. Roberto Guerciolini Wellesley, MA 02481 Dear Roberto:Sirna Therapeutics Inc • April 30th, 2004 • Pharmaceutical preparations • Colorado
Company FiledApril 30th, 2004 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”).
Mr. Marvin Tancer Boulder, CO 80304 Dear Marvin:Sirna Therapeutics Inc • April 24th, 2003 • Pharmaceutical preparations • Colorado
Company FiledApril 24th, 2003 Industry JurisdictionThis letter shall serve to amend and restate the terms of employment offered to you by Ribozyme Pharmaceuticals, Inc. (the “Company”) and acknowledge your acceptance of the employment on such terms as detailed below. This letter is being entered into in connection with the proposed private venture capital financing in the approximate amount of $45 million for the Company (the “Financing”), and shall become effective upon the closing of the Financing and the transactions contemplated thereby (the “Effective Time”). Until the Effective Time, your current employment letter agreement dated May 29, 2001, as amended on July 15, 2001 (collectively, the “Current Agreement”) shall remain in full force and effect.
Dr. Nassim Usman Lafayette, CO 80026 Dear Nassim:Sirna Therapeutics Inc • April 24th, 2003 • Pharmaceutical preparations • Colorado
Company FiledApril 24th, 2003 Industry JurisdictionThis letter shall serve to amend and restate the terms of employment offered to you by Ribozyme Pharmaceuticals, Inc. (the “Company”) and acknowledge your acceptance of the employment on such terms as detailed below. This letter is being entered into in connection with the proposed private venture capital financing in the approximate amount of $45 million for the Company (the “Financing”), and shall become effective upon the closing of the Financing and the transactions contemplated thereby (the “Effective Time”). Until the Effective Time, your current employment letter agreement dated August 13, 1992, as amended on April 14, 1994, May 2, 1996, July 6, 2000, April 30, 2001, December 19, 2001 and July 31, 2002 (collectively, the “Current Agreement”) shall remain in full force and effect.
Mr. Howard W. Robin Boulder, CO 80304 Dear Howard:Sirna Therapeutics Inc • April 24th, 2003 • Pharmaceutical preparations • Colorado
Company FiledApril 24th, 2003 Industry JurisdictionThis letter shall serve to amend and restate the terms of employment offered to you by Ribozyme Pharmaceuticals, Inc. (the “Company”) and acknowledge your acceptance of the employment on such terms as detailed below. This letter is being entered into in connection with the proposed private venture capital financing in the approximate amount of $45 million for the Company (the “Financing”), and shall become effective upon the closing of the Financing and the transactions contemplated thereby (the “Effective Time”). Until the Effective Time, your current employment letter agreement dated January 4, 2001, as amended on June 19, 2001 and June 24, 2002 (collectively, the “Current Agreement”) shall remain in full force and effect.