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 a director of Lehman Brothers Holdings, Inc. and was a director of The New York Times Company and PepsiCo, Inc. until 2007.

H. Furlong Baldwin

Mr. Baldwin served as a director of Mercantile Bankshares Corporation from 1970 to 2003, as Chairman of the Board from 1984 to 2003 and as President and Chief Executive Officer from 1976 to 2001. Mr. Baldwin is Chairman of NASDAQ OMX Group, Inc. He served as a director of Platinum Underwriters Holdings, Ltd. and Allegheny Energy Inc. until 2011.

Ronald C. Cambre

Mr. Cambre is retired Chairman of the Board and Chief Executive Officer 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. Mr. Cambre served as Chairman of the Board of McDermott International, Inc. and as a director of Cliffs Natural Resources Inc. until 2011.

Fred E. Festa

Mr. Festa joined Grace in 2003 as President and Chief Operating Officer. He was elected Chief Executive Officer in 2005 and Chairman in January 2008. In November 2011 he stepped down as President. 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. Prior to that, he served as Vice President and General Manager of AlliedSignal's (now Honeywell) performance fibers business. Mr. Festa is a director of NVR, Inc., a publicly held home builder.

Marye Anne Fox

Dr. Fox has been Chancellor of the University of California San Diego and Distinguished Professor of Chemistry at that institution since 2004. She was previously Chancellor of North Carolina State University and Distinguished University Professor of Chemistry. Dr. Fox is a director of Bridgepoint Education, Inc. and Red Hat, Inc. and served as a director of Pharmaceutical Product Development, Inc. until 2008 and Boston Scientific Corporation until 2010.

Janice K. Henry

Ms. Henry served as Senior Vice President and Treasurer until 2006 and Chief Financial Officer until 2005 of Martin Marietta Materials, Inc.; after her retirement in 2006, she provided consulting services to Martin Marietta Materials, Inc. until 2009. Ms. Henry is also a director of Cliffs Natural Resources Inc. Ms. Henry served as a director of North American Galvanizing and Coatings, Inc. until its acquisition in 2010 by AZZ Incorporated and as a director and chair of the audit committee of Inco Limited until its acquisition in 2006 by CVRD.

Jeffry N. Quinn

Mr. Quinn is Chairman and Chief Executive Officer of The Quinn Group LLC, a diversified holding company with investments in the industrial, active lifestyle, and entertainment sectors, and Quinpario Partners LLC, an investment and operating firm in the performance materials and specialty chemical sectors. Prior to forming these firms, he served as President and Chief Executive Officer, and then Chairman of the Board of Solutia Inc., a global leader in specialty chemicals. Previously, Mr. Quinn was Chief Restructuring Officer, Senior Vice President and General Counsel at Solutia. He has held senior executive, general counsel, and corporate officer positions at Premcor, Inc., and Arch Coal Inc. He earned his Juris Doctor and mining engineering degrees from the University of Kentucky. He serves on the Boards of Directors of Tronox Limited, as well as MEMC Electronic Materials, Inc.

Christopher J. Steffen

Mr. Steffen most recently served as Vice Chairman of Citicorp and its principal subsidiary, Citibank N.A. He is currently a private investor. Mr. Steffen is a director of Accelrys, Inc., Viasystems Group, Inc., and Platinum Underwriters Holdings, Ltd. Mr. Steffen has served as Senior Vice President and Chief Financial Officer of Eastman Kodak and Executive Vice President and Chief Financial and Administrative Officer and director of Honeywell.

Mark Tomkins

Mr. Tomkins most recently served as Senior Vice President and Chief Financial Officer of Innovene, a petrochemical and oil refining company controlled by BP that is now part of the INEOS Group, from 2005 until January 2006. He served as CFO of Vulcan Materials Company from 2001 to 2005 and CFO of Great Lakes Chemical (now Chemtura) from 1998 to 2001. Prior to joining Great Lakes Chemical, Mr. Tomkins held various mid- and upper-level financial positions with AlliedSignal (now Honeywell) and Monsanto Company. Mr. Tomkins is a certified public accountant. Mr. Tomkins is a director of CVR Energy, Inc. and Elevance Renewable Sciences Inc., a privately-held renewable polymer and energy company. He is currently a corporate consultant and private investor.