David Ross III

Director since 1995. Age 67. Member of The Council of Overseers of the Jesse H. Jones Graduate School of Management at Rice University. From 1987 until 1993, he was Chairman and Chief Executive Officer of the Sterling Consulting Group, a firm providing analytical research, planning and evaluation services to companies in the oil and gas industry. He is a director of Process Technology Holdings, Inc. and Compete-At.com.