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Samuel H. Armacost Mary B. Cranston Leslie G. Denend, Ph.D. Michael R. Gaulke Paul R. Johnston, Ph.D., P.E. Stephen C. Riggins John B. Shoven, Ph.D.     Samuel H. Armacost Director Since: 1989 Recent Business Experience: Mr. Armacost was Chairman of the Board of SRI International, an independent, non-profit scientific research institute, from 1998 to March 2010. He was a Principal of Weiss, Peck & Greer, L.L.C., an investment firm, from l990 to 1997. In 1997, he was appointed Managing Director until his departure in June 1998. He was Managing Director of Merrill Lynch Capital Markets of Merrill, Lynch, Pierce, Fenner & Smith, Incorporated, from 1987 to 1990, and he was Director, President, and Chief Executive Officer of BankAmerica Corporation from 1981 to 1986. The Company believes that Mr. Armacost’s record of success in senior executive positions and service as director of a number of large public companies qualifies him to serve as a director of the Company. The Company also considered Mr. Armacost’s prior experience on and contributions to the Board in connection with his nomination. Other Directorships: Member of the Boards of Callaway Golf Company, Chevron Corporation, Franklin Resources, Inc. and SRI International.     Mary B. Cranston  Director Since: 2010 Principal Occupation: Firm Senior Partner of Pillsbury Winthrop Shaw Pittman LLP, an international law firm Recent Business Experience: Ms. Cranston was the Chair and Chief Executive Officer of Pillsbury from January 1999 until April 2006, and continued to serve as Chair of Pillsbury until December 2006. Ms. Cranston has been practicing complex litigation, including antitrust, telecommunications and securities litigation since 1975, and she is a member of the American College of Trial Lawyers. The Company believes that Ms. Cranston’s record of success leading a large professional services organization and her extensive legal background qualifies her to serve as a director of the Company. Other Directorships: Member of the Boards of GrafTech International, Ltd., International Rectifier, Juniper Networks and Visa, Inc.         Leslie G. Denend, Ph.D. Director Since: 2009 Principal Occupation: Director of McAfee, Inc., VeriFone, Inc. and the United Services Automobile Association Recent Business Experience: Dr. Denend was a member of the Board of Directors of the Company from 2001 to 2007, and elected again to the Board of Directors in May, 2009. In addition, Dr. Denend was Chairman of the Board of the Company from June 2005 until May 2007. Dr. Denend was President of McAfee, Inc., from December 1997 until May 1998, President and CEO of Network General, Inc. from February 1993 until December 1997 and Chairman, President and CEO of Vitalink Communications Corporation from October 1990 until its acquisition by Network Systems Corp. in June 1991. Dr. Denend remained as a business unit president at Network Systems Corp. until December 1992. He was Executive Vice President at 3Com Corporation from January 1989 until October 1990. He was also a partner in McKinsey & Company from December 1984 until January 1989. The Company believes that Dr. Denend’s record of success in senior executive positions and service as director of a number of large public companies qualifies him to serve as a director of the Company. The Company also considered Dr. Denend’s prior experience on and contributions to the Board in connection with his nomination. Other Directorships: Member of the Boards of McAfee, Inc., VeriFone, Inc. and the United Services Automobile Association             Michael R. Gaulke Director Since: 1994 Principal Occupation: Chairman of the Board of Directors Recent Business Experience: Mr. Gaulke joined the Company in 1992, as Executive Vice President and Chief Financial Officer. He was named President in 1993, and he was appointed as a member of the Board of Directors of the Company in 1994. He served as Chief Executive Officer from 1996 to May 2009, and was appointed Chairman of the Board of Directors in May 2007. Mr. Gaulke served as Executive Chairman from May 2009 to June 2010. Prior to 1992, he held senior executive positions at Raynet Corporation and Spectra Physics, and was a consultant with McKinsey & Company. The Company believes that Mr. Gaulke’s leadership role in the Company, and extensive and unique experience with the operations of the Company, qualifies him to serve as a director of the Company. The Company also considered Mr. Gaulke’s prior senior leadership experience in technology companies and his prior service on other public company boards in connection with his nomination. Other Directorships: Member of the Board of Cymer, Inc., Sutter Health, and the Board of Trustees of the Palo Alto Medical Foundation             Paul R. Johnston, Ph.D. Director Since: 2009 Principal Occupation: President and Chief Executive Officer Recent Business Experience: Dr. Johnston joined the Company in 1981 and has assumed increasingly responsible positions over time, most recently being named Chief Executive Officer in 2009 and President in 2007. Dr. Johnston was elected to the Board of Directors in May, 2009. In his prior roles, Dr. Johnston was previously responsible for Exponent’s Health and Environmental businesses before assuming management of all of the Company’s consulting groups. He has also managed the Company’s network of offices. He is a Registered Professional Civil Engineer in the State of California. The Company believes that Dr. Johnston’s service as Chief Executive Officer and President of the Company, and extensive and unique experience with the operations of the Company, qualifies him to serve as a director of the Company.           Stephen C. Riggins Director Since: 2003 Recent Business Experience: Mr. Riggins spent 30 years with KPMG LLP, where he practiced as a certified public accountant and was in a number of senior leadership positions including being a member of KPMG's Board of Directors and its Management Committee. Other roles included serving as Western Area Managing Partner - Assurance; Managing Partner - Information, Communication, and Entertainment; Managing Partner - Silicon Valley Office and Los Angeles Office. The Company believes that Mr. Riggins’s senior leadership positions with a large professional services organization and his extensive financial background qualifies him to serve as a director of the Company. The Company also considered Mr. Riggins prior experience on and contributions to the Board in connection with his nomination.             John B. Shoven, Ph.D. Director Since: 2007 Principal Occupation: Professor of Economics, Stanford University Recent Business Experience: Dr. Shoven is currently the Charles R. Schwab Professor of Economics at Stanford University, where he has taught since 1973. He is also the Wallace R. Hawley Director of the Stanford Institute for Economic Policy Research, a position he has held since November 1999 and earlier served in that capacity from 1989 to 1993. He served as Chairman of the Economics Department at Stanford University from 1986 to 1989 and as Dean of the School of Humanities and Sciences from 1993 to 1998. Dr. Shoven earned his Ph.D. in economics from Yale University and his bachelor’s degree in physics from University of California, San Diego. Dr. Shoven is a Fellow of the American Academy of Arts and Sciences, a recipient of the Paul A. Samuelson Award for Outstanding Scholarly Writing on Lifelong Financial Security, an award winning teacher at Stanford, and has published more than one hundred professional articles and twenty books. The Company believes that Dr. Shoven’s extensive academic experience and service as director of a number of large public companies qualifies him to serve as a director of the Company. The Company also considered Dr. Shoven’s prior experience on and contributions to the Board in connection with his nomination.