About Tianjin GreenBio Materials Co., Ltd.Tianjin GreenBio Materials Co., Ltd. (“GreenBio”) is dedicated to the development, production and sale of fully degradable biobased polymer materials from PHA. GreenBio has established a production base for PHA in Binhai District, Tianjin, China with a design capacity of 10 KTPA. GreenBio’s vision is to promote the use of fully biodegradable materials in people’s lives and to reduce the depletion of oil resources in order to effectively decrease greenhouse gas emissions and make contributions to the sustainable development of society. For more information, please visit www.tjgreenbio.com. 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 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 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 www.metabolix.com. (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 expectations for Metabolix sales, marketing and 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 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.