Corporate Information EXECUTIVE OFFICERS BOARD OF DIRECTORS CORPORATE OFFICE GENERAL COUNSEL SECURITIES LISTING INDEPENDENT AUDITORS TRANSFER AGENT AND REGISTRAR Konrad M. Weis, Ph.D. Executive Committee  Compensation Committee  Former President, Chief Executive Officer and Honorary Chairman of Bayer Corporation Continental Stock Transfer & Trust Company  2 Broadway, 19th Floor  New York, New York 10004  Tel: 212-509-4000 Ley S. Smith Executive Committee  Former President and Chief Operating Officer of the Upjohn Company, and Former President of Pharmacia & Upjohn’s U.S. Pharma Product Center Ernst & Young LLP  Palo Alto, California M. David MacFarlane, Ph.D. Former Vice President and Responsible Head of Regulatory Affairs of Genentech, Inc. Titan’s securities are listed on the American Stock Exchange Common Stock: TTP Hubert Huckel, M.D. Executive Committee  Audit Committee  Compensation Committee  Former Chairman of the Board of Hoechst-Roussel Pharmaceuticals, Inc. Loeb & Loeb LLP  345 Park Avenue  New York, New York 10154-0037 Michael K. Hsu Audit Committee  General Partner of EndPoint Merchant Group 400 Oyster Point Boulevard, Suite 505  South San Francisco, California 94080  Tel: 650-244-4990  Fax: 650-244-4956 Eurelio Cavalier Executive Committee  Former Group Vice President of U.S. Pharmaceutical  Business Unit, Eli Lilly & Company Frank H. Valone, M.D. Executive Vice President, Clinical Development  and Regulatory Affairs Victor J. Bauer, Ph.D. Executive Director of Corporate Development  Former President of Hoechst-Roussel Pharmaceuticals, Inc. Richard C. Allen, Ph.D. Executive Vice President, Cell Therapy Bob Farrell Executive Vice President, Chief Financial Officer Ernst-Günter Afting, M.D., Ph.D. Audit Committee  Compensation Committee  President of the GSF-National Center  for Environment and Health, Germany  Former President and Chief Executive Officer of Roussel Uclaf Sunil Bhonsle Executive Vice President, Chief Operating Officer  and Secretary Louis R. Bucalo, M.D. Chairman, President and Chief Executive Officer  Executive Committee Louis R. Bucalo, M.D. Chairman, President and Chief Executive Officer