Cell Genesys was founded in 1988 and completed its initial public offering in 1993, trading on the Nasdaq Stock Market under the ticker symbol, CEGE. It is Cell Genesys' policy to fully comply with all rules put forth by the Securities and Exchange Commission (SEC) and the Nasdaq Stock Market. For misplaced stock certificates, please contact our transfer agent directly.
Transfer Agent and Registrar

Equiserve Limited Partnership
Shareholder Services
PO Box 43010
Providence, RI 02940-3010
Tel: 781.575.3100
www.equiserve.com
General Counsel

Wilson Sonsini Goodrich & Rosati
Professional Corporation
www.wsgr.com
Independent Auditors

Ernst & Young LLP
www.ey.com
Cell Genesys Corporate Headquarters

500 Forbes Boulevard
South San Francisco, CA 94080
Tel: 650.266.3000
Fax: 650.266.3010
www.cellgenesys.com
Investor Relations Contact Information

Tel: 650.266.3200
E-mail: ir@cellgenesys.com
SELECTED lIST OF Covering Analysts (as of 4/15/05)
Adams Harkness
Joseph Pantginis, Ph.D.
646.264.6021
A.G. Edwards
Alex Hittle/Paul Watson
314.955.5177
Lehman Brothers
Jim Birchenough, M.D.
415.274.5393
Needham & Company
Mark Monane, M.D.
212.705.0346
Infinium Capital
Gil Aharon, Ph.D.
416.360.4067
JP Morgan
Geoffrey Meacham, Ph.D.
212.622.6531
Stanford Group
Buddy Lyons
901.537.1687
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