Richard G. Johnson

Chief Financial Officer

Mr. Johnson joined us in September 2002 and has served as Chief Financial Officer since then. Prior to joining us, Mr. Johnson served as Director of Financial Management for Laserdyne Prima, Inc., a manufacturer of laser cutting and welding systems, from 2001 to 2002 and as Vice President — Planning and Control, Latin America for Ecolab, Inc., a global provider of cleaning and sanitation products, systems and services, from 1992 to 1999. Mr. Johnson served in various senior financial positions at Ecolab over a fifteen year period.