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Harold C. Simmons, age 75, has served as our chief executive officer since 2003, our chairman of the board since 1987 and on our board of directors since 1986. Mr. Simmons has served as chairman of the board and chief executive officer of Kronos Worldwide since 2003. He also has served as chairman of the board of TIMET since 2005, chief executive officer of TIMET from 2005 to 2006 and vice chairman of the board of TIMET from 2004 to 2005. Mr. Simmons has been chairman of the board of Valhi and Contran since prior to 2002 and was chief executive officer of Valhi in 2002 and prior years. Mr. Simmons has been an executive officer or director of various companies related to Valhi and Contran since 1961. Mr. Simmons is a brother of Glenn R. Simmons. | 