Metabolix, Inc. to Present at Investor Conference

Business Wire, May 28, 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 Jefferies & Company Global Clean Tech Conference taking place June 5, 2008 in New York City.

Richard Eno, the Company's President & Chief Executive Officer will be presenting on Thursday, June 5, 2008 at 8:30 a.m. Mr. Eno will be accompanied at the Conference by Joseph Hill, the recently appointed CFO of Metabolix.

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)