Summary Information

_________________________________________________________________________ NASDAQ SUPG Founded March 6, 1991 IPO March 13, 1996 Transfer Agent Mellon Investor Services, LLC                                                                             480 Washington Blvd.                                                                                            Jersey City, NJ 07310                                                                                        Phone: 800-522-6645                                                                               Corporate Web site: www.melloninvestor.com Corporate Headquarters 4140 Dublin Blvd., Suite 200 Dublin, CA 94568 Phone: 925-560-0100 Fax: 925-560-0101 Manufacturing and Preclinical Development 1059 Serpentine Lane Pleasanton, CA 94566 Phone: 925-560-0100 Fax: 925-461-1734 Discovery Research 2401 South Foothill Drive Salt Lake City, UT 84109 Phone: 801-746-2669 Fax: 801-746-5633 EuroGen Pharmaceuticals 1st Floor Eagle Tower Montpellier Drive Cheltenham, UK GL50 1TA Direct: +44 (0) 207 193 7556                                                                            Phone: +44 (0) 1242 703646  Fax +44 (0) 1242 703648

Key Contact Information __________________________________________________ Investor Relations & Business Development Timothy L. Enns                                                                                                      Sr. Vice President, Corporate Communications and Business Development                                                                                                     Phone: 925-560-0100 Fax: 925-551-6491 E-mail: tenns@supergen.com Mary M. Vegh                                                                                               Manager, Investor Relations Phone: 925-560-2845 Fax: 925-551-6491                                                                                                E-mail: mary.vegh@supergen.com or investor@supergen.com  Medical Affairs                                                                       Medical Information for SuperGen Products                                                Phone: 800-353-1075                              medicalaffairs@supergen.com                                                 For healthcare professionals and patients with questions about SuperGen products:                                                                                                                                                 Phone: 800-353-1075 Human Resources                               careers@supergen.com Fax: 925-551-5699 Website                                    webmaster@supergen.com