BioSante Pharmaceuticals, Inc. And Cell Genesys, Inc. Announce Approval of Merger by BioSante Stockholders and Adjournment of Cell Genesys Stockholders Meeting Until October 14, 2009

LINCOLNSHIRE, Ill. & SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--BioSante Pharmaceuticals, Inc. (NASDAQ:BPAX) and Cell Genesys, Inc. (NASDAQ:CEGE), today announced that BioSante stockholders have approved the merger between the two companies with BioSante as the surviving company.