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GARY L. CASTAGNA, 47, has been a director of the Company since January 2001. Mr. Castagna presently serves as Senior Vice President and President of Global Minerals of AMCOL International Corporation, a company that is engaged in the materials and environmental industries. Previously Mr. Castagna served as Chief Financial Officer and Treasurer for AMCOL from February 2001 to May 2008. He was a consultant to the company from June 2000 to February 2001 and Vice President of Chemdal International Corporation, a former subsidiary of AMCOL, from August 1997 to May 2000. Mr. Castagna received his bachelor's degree in accounting and finance from the University of Michigan, Ann Arbor. He has also completed graduate courses at University of Michigan, and is a certified public accountant. | 