John F. Akers

Mr. Akers served as Chairman of the Board and Chief Executive Officer of International Business Machines Corporation from 1985 until his retirement in 1993. He is also a director of Lehman Brothers Holdings, Inc., The New York Times Company and PepsiCo, Inc.

H. Furlong Baldwin

Mr. Baldwin served as a director of Mercantile Bankshares Corporation from 1970 to 2003, and as Chairman of the Board from 1984 to 2003. From 1976 to 2001 he served as President and Chief Executive Officer. Mr. Baldwin is Chairman of NASDAQ Stock Market, Inc., and also a director of Platinum Underwriters Holdings, Ltd. and Allegheny Energy Inc.

Ronald C. Cambre

Mr. Cambre is retired Chairman of the Board and CEO of Newmont Mining Corporation. He joined Newmont as Vice Chairman and CEO in 1993 and retired as CEO in 2000 and as Chairman in 2001. He is also a director of Cleveland-Cliffs Inc. and McDermott International, Inc.

Fred E. Festa

Mr. Festa is Chairman of the Board, President and Chief Executive Officer of Grace. Mr. Festa joined Grace in 2003 and served as President and Chief Operating Officer until he became Chief Executive Officer in 2005. He became Chairman of the Board on January 1, 2008. Prior to joining Grace, Mr. Festa was a partner of Morganthaler Private Equity Partners, a venture capital and buyout firm, from 2002 to 2003. From 2000 to 2002, he was with ICG Commerce, Inc., a private company providing online procurement services, where he last served as President and Chief Executive Officer.

Marye Anne Fox

Dr. Fox is Chancellor of the University of California San Diego and is a Professor of Chemistry at that institution. She is also a director of Boston Scientific Corporation, Red Hat, Inc. and Pharmaceutical Product Development, Inc.

John J. Murphy

Mr. Murphy served as Chairman of the Board of Dresser Industries, Inc., a supplier of products and technical services to the energy industry, until 1996. From 1997 to 2000, he was a Managing Director of SMG Management L.L.C., a privately owned investment group. Mr. Murphy is also a director of CARBO Ceramics, Inc. and ShawCor Ltd.

Christopher J. Steffen

Mr. Steffen most recently served as Vice Chairman of Citicorp and its principal subsidiary, Citibank N.A. Since his retirement in 1996, he has been a consultant to a number of companies and public accounting firms and served on committees advising the Financial Account Standards Board. Mr. Steffen currently sits on the boards of Accelrys, Inc., ViaSystems, Inc. and several private companies in which he has an ownership stake.

Mark Tomkins

Mr. Tomkins last served as Senior Vice President and Chief Financial Officer of Innovene, a petrochemical and oil refining company that is now part of the INEOS Group. Over the course of his career, he has held senior financial management positions for several top chemical and industrial companies including Vulcan Materials Company, Chemtura, Honeywell and Monsanto.

Thomas A. Vanderslice

Mr. Vanderslice served as Chairman and Chief Executive Officer of M/A-COM, Inc., a designer and manufacturer of radio frequency and microwave components, devices and subsystems for commercial and defense applications, from 1989 until his retirement in 1995. He is currently a private investor. As Lead Independent Director of Grace's Board, he presides at all executive sessions.