Coherent Inc.

Dr. John Ambroseo was appointed President and Chief Executive Officer of Coherent Inc. on October 1, 2002. He was also appointed to its Board of Directors at this time. He has served as Coherent's Executive Vice President and Chief Operating Officer since June 2001. Since September 2000, he served as Executive Vice President and President and General Manager of the Coherent Photonics Group. From September 1997 to September 2000, Dr. Ambroseo served as Executive Vice President and as President and General Manager of the Coherent Laser Group. From March 1997 to September 1997, he served as Coherent's Scientific Business Unit Manager. From August 1988, when Dr. Ambroseo joined Coherent, until March 1997, he served as Product Marketing Manager, National Sales Manager, and Director of European Operations. Dr. Ambroseo received his PhD in Chemistry from the University of Pennsylvania.

Ms. Simonet was appointed Executive Vice President and Chief Financial Officer of Coherent Inc. in April 2002. She has served as Vice President of Finance of Coherent's Photonics Group since May 2001, and previously served as Vice President of Finance of Coherent's former Medical Group. Prior to joining Coherent, she spent over twenty years in senior finance positions at Raychem Corporation, including Vice President of Finance of the Raynet Corporation as well as Chief Information Officer for Raychem. Ms. Simonet has both a Master's and Bachelor's degree from the University of Louvain, Belgium.

Bret DiMarco was appointed Executive Vice President and General Counsel in June 2006. Prior to joining Coherent, Bret was a partner at our principal outside legal counsel, Wilson, Sonsini, Goodrich & Rosati, P.C., where he specialized in representing public and private companies in areas such as corporate governance, public offerings, private placement financings, and mergers and acquisitions. He also is an adjunct professor of law at UC Hastings College of the Law, teaching corporate law and mergers & acquisitions. Bret received his juris doctorate from the Law Center at the University of Southern California.

Dr. Michael Cumbo was appointed the Executive Vice President and General Manager of Coherent’s Optical Technologies business in July 2004. He is in charge of the Company’s optics and laser measurement businesses, as well as Coherent’s semiconductor diode business. Dr. Cumbo has over twenty years of experience in fields of optics and photonics. He started his career as an optical engineer with Kodak and Bausch & Lomb. He later joined Optical Coating Laboratory, Inc.’s (OCLI) research department and held increasingly responsible positions that lead to his appointment as Chief Technical Officer. Upon the acquisition of OCLI by JDS Uniphase (JDSU), Michael became Vice President and General Manager of JDSU’s OCLI Telecom Division and was later appointed Vice President and General Manager of the commercial laser division of the new company. Michael attended the University of Rochester where he earned a bachelor in physics and a masters and Ph.D. in optics. In addition, he holds a second masters degree in electrical engineering from the Rochester Institute of Technology.

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Garry Rogerson is Varian, Inc.'s Chairman and Chief Executive Officer, positions he has held since 2009 and 2004, respectively. He served as President from 2002 to 2009, as Chief Operating Officer from 2002 to 2004, as Senior Vice President, Scientific Instruments from 2001 to 2002 and as Vice President, Analytical Instruments from 1999 to 2001. Dr. Rogerson has been a director of the Company since 2003. He is also a director of Coherent, Inc. Dr. Rogerson earned his Ph.D. in biochemistry from the University of Kent at Canterbury, England