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Board of Directors

	Joseph Scaminace Chairman of the Board, President and Chief Executive Officer OM Group, Inc.
	Richard W. Blackburn Retired Executive Vice President, General Counsel and Chief Administrative Officer Duke Energy Corporation
	Steven J. Demetriou Chairman and Chief Executive Officer Aleris International, Inc.
	Katharine L. Plourde Former Principal Donaldson, Lufkin & Jenrette
	William Reidy Former Managing Partner Pricewaterhouse Coopers, LLP
	Gordon A. Ulsh Retired President, Chief Executive Officer and a Director Exide Technologies
	Patrick S. Mullin Former Managing Partner Deloitte & Touche LLP
	Hans-Georg Betz Retired Chief Executive Officer Advanced Energy Inc