Director since 2008

Board committees:

audit, executive, finance and risk management, safety (chair)

Subject expertise:

CEO/senior officer; environmental and safety; finance and accounting; governance/board; marketing; strategic planning; transportation

Career highlights:

Mr. Lockhart served as Chairman of the Board, President and Chief Executive Officer of Armstrong World Industries, Inc., and its predecessor, Armstrong Holdings, Inc., a leading global producer of flooring products and ceiling systems, from 2000 until his retirement in February 2010. Mr. Lockhart previously served as Chairman and Chief Executive Officer of General Signal Corporation, a diversified manufacturer, from September 1995 until it was acquired in 1998.