GERON CORPORATION ANNOUNCES EXERCISE OF OVER-ALLOTMENT OPTION

Geron Corporation (Nasdaq:GERN) today announced that on Monday, September 19, 2005, the underwriters of its public offering of six million shares of common stock have exercised their over-allotment option in full to purchase 900,000 additional shares, resulting in an additional gross public offering price of $8.1 million. The public offering and over-allotment exercise are expected to close on September 21, 2005.

Black Enterprise (http://www.blackenterprise.com/yb/ybopen.asp?section=ybbf&story_id=81782461&ID=blackenterprise)