Robert D. Hardy

Robert D. Hardy has served as our Executive Vice President and Chief Financial Officer since 2007. From 2004 through 2007, he served as our Senior Vice President and Chief Financial Officer. From January 2004 through November 2004, Mr. Hardy was self-employed as a business consultant to NL Industries, Inc., an international chemical company. From 1992 through 2003, Mr. Hardy held various positions of increasing responsibility in the tax, accounting and finance departments of NL Industries, including Chief Financial Officer beginning in 2002, Vice President and Controller from 1999 to 2003, Assistant Secretary from 1998 to 2003 and Assistant Treasurer from prior to 1998 to 2002. From 2002 until 2003, he also served as NL Industries' Treasurer. From 1992 to 1998, Mr. Hardy served as NL Industries' Director of Taxes and from 1998 to 1999 he served as its Vice President - Tax.