Metabolix, Inc. to Present at Investor Conference

Business Wire, Sept 20, 2007

CAMBRIDGE, Mass. -- Metabolix, Inc. (NASDAQ: MBLX), a bioscience company focused on developing clean, sustainable solutions for the world's needs for plastics, fuels, and chemicals, today announced that it will be presenting at the Piper Jaffray - ICR 2nd Annual London Consumer Conference taking place on September 26 - 27, 2007 in the Great Eastern Hotel London.

Jay Kouba, the Company's Chairman & Chief Executive Officer, will be presenting on Wednesday, September 26, 2007 at 10:30 a.m. local time (5:30 a.m. Eastern Time). 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 Webcasts & 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. A copy of management's presentation will also be available on the website at www.metabolix.com in the Investor Relations section under the Webcasts & Presentations tab.

About Metabolix

Founded in 1992, Metabolix, Inc. is an innovation driven bioscience company focused on providing clean, sustainable solutions for the world's needs for plastics, fuels, and chemicals. 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] biobased plastics as a sustainable and biodegradable alternative to petroleum-based plastics. Metabolix is also developing a proprietary platform technology for co-producing biobased plastics, biofuels and chemical products in biomass energy crops such as switchgrass. For more information, please visit www.metabolix.com. (MBLX-G)