Jay Kouba, Ph.D., has served as Chairman of the Board since April 2007, and Director since June 2006. From May 2007 until February 2008 he also served as President and Chief Executive Officer of the Company. Since May 2008, Jay Kouba has been the President and Chief Executive Officer of Tetra Vitae Bioscience. Prior to joining Metabolix Dr. Kouba served as the President of Oniro Consulting, a strategic management consulting firm. From January 1999 to December 2005, Dr. Kouba held several positions with BP's Petrochemicals Segment. From August 2004 to December 2005, Dr. Kouba served as senior vice president, strategy, marketing and technology for Innovene BP's olefins and polymers subsidiary, and earlier in 2004, as Vice President, Sales, Marketing and Logistics. Between 1999 and 2003, Dr. Kouba was Vice President, Technology. Dr. Kouba is also a Director of Telles, LLC, Metabolix' joint venture with Archer Daniels Midland Company. Dr. Kouba received a B.S. in Chemistry from Stanford University, a Ph.D. in Chemistry from Harvard University and a M.B.A. from University of Chicago.

Dr. Peoples, a co-founder of Metabolix, has served as our Chief Scientific Officer and Vice President of Research and Development since January 2000 and was previously our Director of Research and Vice President. Dr. Peoples has served as a Director since June 1992. Before founding Metabolix, Dr. Peoples was a research scientist with the Department of Biology at the MIT where he emerged as a pioneer of the new field of metabolic pathway engineering and its applications in industrial biotechnology. The research carried out by Dr. Peoples at MIT established the fundamental tools and methods for engineering bacteria and plants to produce polyhydroxyalkanoates. Dr. Peoples has published numerous peer-reviewed academic papers and is an inventor of over 90 patents and patent applications worldwide. Dr. Peoples received a Ph.D. in Molecular Biology from the University of Aberdeen, Scotland.

Peter N. Kellogg has served as a Director of the Company since March 2007. Since August 2007, he has been Executive Vice President and Chief Financial Officer of Merck & Co., Inc. He joined Merck in 2007 after serving as Executive Vice President, Finance and Chief Financial Officer of Biogen Idec Inc. From 2000 to 2003, Mr. Kellogg held the same position at Biogen, Inc., which merged with IDEC Pharmaceuticals in 2003. Before that, he served as Senior Vice President, PepsiCo E-Commerce at PepsiCo Inc. from March to July 2000 and as Senior Vice President and Chief Financial Officer, Frito-Lay International, from March 1998 to March 2000. From 1987 to 1998, he served in a variety of senior financial, international and general management positions at PepsiCo and the Pepsi-Cola International, Pepsi-Cola North America, and Frito-Lay International divisions. Prior to joining PepsiCo, Mr. Kellogg was a senior consultant with Arthur Andersen & Co. and Booz Allen & Hamilton. Mr. Kellogg holds an M.B.A. in Management from the University of Pennsylvania and a B.S. in Engineering from Princeton University.

Anthony J. Sinskey, Sc.D., a co-founder of Metabolix, has served as a director since June 1992. From 1968 to present, Dr. Sinskey has been on the faculty of the Massachusetts Institute of Technology. Currently at M.I.T., he is Professor of Microbiology in the Department of Biology and Professor of Health Sciences and Technology in the Harvard-M.I.T. Health Sciences and Technology Program, as well as Co-Director of the Center for Biomedical Innovation. Dr. Sinskey serves on the board of directors of Tepha, Inc. Dr. Sinskey received a Sc.D. from Massachusetts Institute of Technology and a B.S. from the University of Illinois.

Robert L. Van Nostrand has served as a director since October 2006. He was the Executive Vice President and Chief Financial Officer of AGI Dermatics, a bio-pharmaceutical laboratory specializing in skin photobiology,y until October 2008 when the company was sold. Previously, Mr. Van Nostrand was with OSI Pharmaceuticals, Inc. for 21 years, most recently as the Senior Vice President and Chief Compliance Officer from 2005 until August 2007, and as the Vice President and Chief Financial Officer from 1996 through 2005. Prior to joining OSI, Mr. Van Nostrand was in a managerial position with Touche Ross & Co. (currently Deloitte and Touche). Mr. Van Nostrand serves on the board of directors of Apex Bioventures, Inc., a special purpose acquisition company focused in life sciences, and is Chairman of its audit committee, and he is on the board of Achillion Pharmaceuticals, Inc, a biotechnology company focused on infectious disease, and is Chairman of its audit committee. Mr. Van Nostrand received a B.S. in Accounting from Long Island University, New York, and completed advanced management studies at the Wharton School. Mr. Van Nostrand is a Certified Public Accountant.