Metabolix Announces Promotion of Johan van Walsem to Chief Operating Officer

 Metabolix Announces Promotion of Johan van Walsem to Chief Operating Officer

PR Newswire

CAMBRIDGE, Mass., July 17, 2013

CAMBRIDGE, Mass., July 17, 2013 /PRNewswire/ --Metabolix, Inc. (NASDAQ:
MBLX), an innovation-driven bioscience company delivering sustainable
solutions to the plastics, chemicals and energy industries, announced today
that Johan van Walsem has been promoted to the position of Chief Operating
Officer (COO), effective Monday, July 22. In this newly created role, Mr. van
Walsem will be responsible for the management of the Company's biopolymers,
biobased chemicals and crops businesses, as well as the key functional areas
that enable these businesses to perform. He will continue to report to
Metabolix President and Chief Executive Officer, Richard P. Eno.


"We are excited to appoint Johan to the position of COO of Metabolix, where he
has taken on increasing levels of responsibility throughout his tenure," said
Mr. Eno. "He has led critical functions across each of our three business
platforms: biopolymers, biobased chemicals and crops, and as a result, will be
able to very effectively integrate our functional expertise for maximum
commercial impact.

"During the past 16 months, we have redefined our biopolymer commercial
strategy around high-value markets, set up global supply chains for
biopolymers, built the initial customer base and advanced our manufacturing
technology to lower overall costs," Mr. Eno said. "We also have continued to
achieve technical milestones in our biobased chemicals platform and have the
potential to create a highly differentiated chemicals business. The creation
of the chief operating officer role allows for clear focus on the execution of
these businesses. I look forward to working together with Johan to drive
further growth in the coming years."

Mr. van Walsem most recently served as the Company's Vice President of
Manufacturing and Product Development. He has more than 20 years of experience
in the processing industry, with more than 15 years' experience leading
development and manufacturing efforts for large-scale, fermentation-based
processes. He also has been integral in the development of the manufacturing
process for the Company's Mirel biopolymer products. He received a Master's
degree in Chemical Engineering from the University of Pretoria in 1986 and an
M.B.A. from the University of South Africa in 1995.

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.

For more information, please visit

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 the Company's growth,
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.


SOURCE Metabolix, Inc.

Contact: Lynne H. Brum, Metabolix, 617-682-4693,, or Keith
Giannini, Schwartz MSL Boston, 781-684-0770,
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