Metabolix Now Shipping MveraTM B5008 Compostable Film Grade Resin

  Metabolix Now Shipping MveraTM B5008 Compostable Film Grade Resin

  New Certified Compostable Resin Ideal for Compost Bags and Retail Shopping

Business Wire

CAMBRIDGE, Mass. -- December 03, 2012

Metabolix, Inc. (NASDAQ: MBLX), an innovation-driven bioscience company
focused on delivering sustainable solutions for plastics, chemicals and
energy, today announced that Mvera^TM B5008, a new certified-compostable film
grade resin, is now available for shipment to customers. Compounded in Europe
for local markets and widely available for global customers, Mvera B5008 is
designed for applications including compost bags, can liners used for organic
waste, as well as shopping and retail bags that can be reused as compostable
organic waste bags.

Mvera B5008 is BPI-certified to meet the ASTM D6400 standard for industrial
composting and by Vinçotte to meet the EN 13432 standard for compostable
plastics. The compostable film resin is designed for blown/cast film
processing and exhibits many of the same performance qualities of
petroleum-based resins, including:

  *Excellent melt strength
  *Tough, tear-resistant film
  *Good barrier properties
  *Good adhesion with other compostable polymers

“With growing consumer demand for sustainable products and governments across
the globe implementing regulations governing the use of petroleum-based
plastics, innovative organizations are looking to certify compostable films as
a more sustainable alternative,” said Bob Engle, vice president, commercial
development of biopolymers at Metabolix. “With Mvera B5008, Metabolix is
enabling converters, brand owners and forward-thinking organizations to
utilize new compostable materials without compromising quality or performance.
Metabolix is committed to providing customers in global markets with more
sustainable alternatives that enable them to satisfy consumer demands,
differentiate brands and meet evolving government regulations.”

Product information on Mvera B5008, including a data sheet and processing
guide, can be found at

About Metabolix

Metabolix, Inc. is an innovation-driven bioscience company delivering
sustainable solutions to the plastics, chemicals and energy industries.
Metabolix is developing and commercializing Mirel^TM and Mvera,^TM a family of
high-performance bioplastics which are biobased and biodegradable alternatives
to many petroleum-based plastics. Metabolix’s biobased chemicals platform
utilizes its novel “FAST” recovery process to enable the production of
cost-effective, “drop-in” replacements for petroleum-based industrial
chemicals. Metabolix is also 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.

For more information, please visit (MBLX-G)

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 the market for Mvera™ B5008 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 and are 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.


Media and General Inquiries:
Lynne H. Brum, 617-682-4693
Schwartz MSL Boston
Keith Giannini or Kirsten Swenson, 781-684-0770
James Palczynski, 203-682-8229
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