Vestas Wind Systems A/S

Lester J. Kaplan, Ph.D. has served as a director of our company since November 1997. Dr. Kaplan was Executive Vice President and President, Research and Development at Allergan, Inc. from November 2003 to April 2004. Dr. Kaplan joined Allergan in 1983 and, prior to being appointed to Executive Vice President, was Corporate Vice President, Research and Development and Global BOTOX from June 1998 to November 2003. Dr. Kaplan was elected to Allergan's board of directors in 1994 and served in that capacity until April 2004. Dr. Kaplan is also a member of the board of Acucela Inc. and the National Neurovision Research Institute. Dr. Kaplan received a M.S. and Ph.D. in organic chemistry from the University of California, Los Angeles. Torsten Rasmussen has served as a director of our company since April 1998. Mr. Rasmussen has been President and CEO of Morgan Management ApS, a management advisory and consulting company, since 1997. Prior to founding Morgan Management ApS in 1997, Mr. Rasmussen held the position of Executive Vice President, Operations at the LEGO Group (LEGO A/S) in Denmark, since 1981. He currently serves as a board member in the capacity of chairman, deputy chairman or ordinary board member of a number of Danish companies of which the following are quoted on the Danish Stock Exchange: Coloplast A/S, Bang & Olufsen A/S, TK Development A/S, Vestas Wind Systems A/S and A/S Det Oestasiatiske Kompagni. Mr. Rasmussen holds an M.B.A. from IMD in Lausanne, Switzerland. Alan G. Walton, Ph.D., D.Sc. has served as a director of our company since March 2003. Dr. Walton joined Oxford Partners as a General Partner in 1987. In 1991, he founded Oxford Bioscience Partners and he is currently Senior Partner and Chairman of Oxford Bioscience Corporation. Previously, he was President and CEO of University Genetics Co., a public biotechnology company involved in technology transfer and seed investments in university-related projects. Prior to University Genetics, he taught at several institutions including Harvard Medical School, Indiana University and Case Western Reserve where he was Professor of Macromolecular Science and Director of the Laboratory for Biological Macromolecules. Dr. Walton serves on the Boards of Alexandria Real Estate Equities and Advanced Cell Technology, and is Chairman, as well as a Board member, of Avalon Pharmaceuticals and Psychiatric Genomics. He is also on the Board of Research!America, a philanthropic organization. Dr. Walton was a founder of Human Genome Sciences and GeneLogic and is the Founding Chairman of the Biotechnology Venture Investors Group. Dr. Walton received a Ph.D. in chemistry and a D.Sc. in biological chemistry from Nottingham University in England and in 2005 received an honorary LLD degree for his lifetime achievement in life sciences form Nottingham University. Uli Hacksell, Ph.D also serves as Chief Executive Officer and a member of the board of directors. For a description of his background, please see "Management Team."