Metabolix, Inc.

Metabolix Launches Mvera™ B5010, A New Compostable Film Grade Resin

Provides Brand Owners and Converters with Performance-Driven Compostable Bag Options

CAMBRIDGE, Mass., Sept. 16, 2013 /PRNewswire/ -- Metabolix, Inc. (NASDAQ: MBLX), an innovation-driven performance biomaterials company delivering sustainable solutions to the plastics, chemicals and energy industries, today announced Mvera™ B5010, a new compostable film grade resin. Mvera B5010 film grade resin is designed for the compostable bag and film markets across the globe.

Metabolix developed Mvera B5010 film grade resin to meet international industrial standards for compostability, and has been certified by Vinçotte to meet the EN13432 standard. Mvera B5010 resin allows significant down gauging and features excellent melt strength, resulting in easy processing on conventional blown film extrusion equipment. The compostable resin produces film that has excellent seal strength and good printability for compostable shopping bags and food waste compost bags.

"We continue to make advances in the development of compostable resins and the further extension of our Mvera product line is designed to meet the global demand of the compostable bag and film markets," said Bob Engle, vice president, biopolymers, at Metabolix. "Mvera B5010 is the first commercial product release following the announcement of our collaboration with Samsung Fine Chemicals and it delivers on Metabolix's aim to extend our product range to meet customer needs in the marketplace, offering a robust balance of toughness and load-bearing capability."

In July 2013, Metabolix announced a collaboration with Samsung Fine Chemicals and noted the complementary product lines and regional positioning of the companies.

At K 2013, taking place from October 16 — 23, 2013 in Dusseldorf, Germany, Metabolix will be showcasing Mvera B5010; along with biobased performance additives for PVC, I6001 and I6003rp; and a number of additional biobased master batch and bio-composite resin products. For more information on Mvera B5010, including a product bulletin, please visit the product page.

About Metabolix
Metabolix, Inc. is an advanced biomaterials company that is well positioned to address growing market demand for sustainable solutions in the plastics, chemicals and energy industries. The Company is developing and commercializing a family of high-performance biopolymers targeted to the markets for film and bag applications, performance additives and functional biodegradation. Metabolix's biobased chemicals platform is focused on high-value segments and applications using its novel "FAST" recovery process. The Company also is developing a platform for co-producing plastics, chemicals and energy from crops. Metabolix has established an industry-leading intellectual property portfolio that, together with its knowledge of advanced industrial practice, provides a foundation for industry collaborations.

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Safe Harbor for Forward-Looking Statements
This press release contains forward-looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. The forward-looking statements in this release do not constitute guarantees of future performance. Investors are cautioned that statements in this press release which are not strictly historical statements, including, without limitation, statements regarding expectations for market demand and Metabolix product development, constitute forward-looking statements. Such forward-looking statements are subject to a number of risks and uncertainties that could cause actual results to differ materially from those anticipated, including the risks and uncertainties detailed in Metabolix's filings with the Securities and Exchange Commission. Metabolix assumes no obligation to update any forward-looking information contained in this press release or with respect to the announcements described herein.


Metabolix Contact:
Lynne H. Brum, 617-682-4693,

Media Inquiries:
Schwartz MSL Boston
Keith Giannini or Shweta Agarwal at 781-684-0770

SOURCE Metabolix, Inc.

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