PALO ALTO, Calif.--(BUSINESS WIRE)--Affymax, Inc. (Nasdaq:AFFY), today announced that it is offering, subject to market and other conditions, to sell shares of its common stock in an underwritten public offering. Affymax also expects to grant the underwriters a 30-day option to purchase additional shares of common stock to cover over-allotments, if any. All of the shares in the offering are to be sold by Affymax. Lazard Capital Markets LLC is acting as sole book-running manager in the offering, with Stifel, Nicolaus & Company, Incorporated acting as co-manager. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.