BRISBANE, Calif.--(BUSINESS WIRE)--Jan. 26, 2006--Tercica, Inc. (NASDAQ:TRCA) today announced that Lehman Brothers Inc., the sole underwriter of its previously announced 5,000,000 share public offering, has exercised in full its option to purchase an additional 750,000 shares of common stock. All of the shares in the offering are being sold by Tercica. Tercica expects the closing of the offering to occur on or about January 27, 2006.