November 25, 2009 (FinancialWire) — Affymax, Inc. (NASDAQ: AFFY) has closed an underwritten public offering of 4,726,027 shares of its common stock, which includes the full exercise of the underwriter’s overallotment option of 616,438 shares. Cowen and Co. (NASDAQ: COWN) and Lazard Capital Markets (NYSE: LAZ) were joint bookrunners.

The net proceeds to the company after deducting underwriting discounts and commissions and estimated offering expenses are approximately $80.0 million.

Affymax is a biopharmaceutical company focused on developing novel drugs to improve the treatment of serious and often life-threatening conditions.

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