SEATTLE--(BUSINESS WIRE)--ZymoGenetics, Inc. (Nasdaq:ZGEN) today announced that its underwriters fully exercised their overallotment option to purchase an additional 2,100,000 shares of its common stock in connection with its previously announced public offering that priced on January 7, 2010. Including the overallotment shares purchased, ZymoGenetics sold 16,100,000 shares at a public offering price of $6.00 per share, resulting in expected net proceeds to ZymoGenetics of approximately $90.9 million (after payment of the underwriting discounts and commissions and estimated expenses). The offering is expected to close on or about January 12, 2010, subject to satisfaction of customary closing conditions.
