Metabolix initiates public offering of common stock

Metabolix, Inc. (NASDAQ: MBLX), a bioscience company focused on developing sustainable solutions for plastics, chemicals and energy, today announced that it has commenced a public offering of shares of its common stock pursuant to the Company's effective shelf registration statement filed with the U.S. Securities and Exchange Commission (the "SEC").

J.P. Morgan Securities LLC will serve as the sole book-running manager and Stifel Nicolaus Weisel will serve as the co-manager for this offering. The Company expects to offer 4.75 million newly issued shares. The underwriters also have the option to purchase up to an additional 15% percent of the offered amount of common stock from the Company at the public offering price, less underwriting discounts and commissions, within 30 days, to cover over-allotments, if any. 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. The Company intends to use the net proceeds it receives from the offering for working capital and other general corporate purposes.