
	Mr. Davis has served as our Executive Vice President - Finance since February 2008, as our Senior Vice President - Finance from September 1999 until February 2008, as our Chief Financial Officer since March 1999 and as our Treasurer since January 1997. From September 1998 until September 1999, Mr. Davis served as our Vice President - Finance and Treasurer. Mr. Davis is a licensed certified public accountant in the State of Texas.
