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Donald P. Aiken has served as a Director since 1997 and has served as Chairman of the Board of the Company since February 1, 2004. From August 2003 through December 2005, Mr. Aiken served as a director of ABB Lummus Global, a subsidiary of ABB Ltd., a provider of engineering, procurement and construction-related services for customers in the oil and gas, petrochemical and refining and power industries. Mr. Aiken also served as a consultant to ABB, Inc., a provider of power and automation technologies for utility and other industrial customers, from February 2004 through December 2005. He served as President and Chief Executive Officer of ABB, Inc. from February 2001 to January 2004. Mr. Aiken also serves on the board of directors of Xerium Technologies, Inc., a manufacturer and supplier of products used in the production of paper. | 