Patrick M Prevost

Term of Office Expires: 2008. President and Chief Executive Officer -- January 1, 2008 to present. President, Performance Chemicals Division -- October 2005 to November 2007. President, Chemicals & Plastics Division -- December 2003 to October 2005. Vice President, Strategy & Development -- September 2001 to December 2003. Indicates a company with a class of securities registered pursuant to the Securities Exchange Act of 1934.