CAMBRIDGE, Mass.--(BUSINESS WIRE)--Dyax Corp. (NASDAQ: DYAX) announced today that Deutsche Bank Securities Inc. exercised in full its over-allotment option and will purchase an additional 1,113,862 shares of the Company’s common stock at a public offering price of $2.02 per share, which will bring the aggregate net proceeds from the offering to approximately $16.1 million. The over-allotment option was granted to the underwriter by Dyax in connection with its recent agreement to sell approximately 7.4 million shares of its common stock. The offering of both the initial and the over-allotment shares is expected to close on or about June 30, 2009.