Metabolix, Inc. to Present at Thomas Weisel Partners Alternative Energy Conference

Business Wire, June 11, 2008

CAMBRIDGE, Mass. -- Metabolix, Inc. (NASDAQ: MBLX), a bioscience company focused on developing clean, sustainable solutions for the world's needs for plastics, chemicals and energy, today announced that it will be presenting at the Thomas Weisel Partners Alternative Energy Conference taking place June 12, 2008 in New York City.

Richard Eno, the Company's President & Chief Executive Officer will be presenting on Thursday, June 12, 2008 at 2:40 p.m. Mr. Eno will be accompanied by Oliver Peoples, PhD, the company's Co-Founder and Chief scientific Officer. During his presentation, Mr. Eno will be discussing the Company's value proposition, branding initiatives, customer development pipeline and commercialization plans for Mirel[TM]. He will further discuss the unique advantages of Mirel[TM] that drive the value proposition, including; it is a biobased plastic that combines the broad functionality and performance of petroleum based plastics with the broadest spectrum of biodegradability. Mirel[TM] provides an excellent alternative to traditional, petroleum-based plastics. Mr. Eno will also further discuss the targets for the Company's longer term platforms.

The presentation will be webcast and can be accessed on the company's website at www.metabolix.com in the Investor Relations section under the Events & Presentations tab. For those unable to listen to the presentation live, the webcast will be archived and can be accessed from the Company's website.

About Metabolix

Founded in 1992, Metabolix, Inc. is an innovation driven bioscience company focused on providing sustainable solutions for the world's needs for plastics, chemicals and energy. The Company is taking a systems approach, from gene to end product, integrating sophisticated biotechnology with advanced industrial practice. Metabolix is now developing and commercializing Mirel[TM] bioplastics, a sustainable and biodegradable alternative to petroleum based plastics. Mirel is suitable for injection molding, cast and blown film, sheet, extrusion coating, and thermoforming. Metabolix is also developing a proprietary platform technology for co-producing plastics, chemicals and energy from crops such as switchgrass, oilseeds and sugarcane. For more information, please visit www.metabolix.com. (MBLX-G)