Committee Composition

	Audit Committee	Compensation Committee	Finance Committee	HSE & Engineering Committee	Nominating & Governance Committee
Julie H. Edwards		Compensation Committee	Finance Committee		Nominating & Governance Committee
Gordon T. Hall		Compensation Committee	Finance Committee		Nominating & Governance Committee
Roger W. Jenkins	Audit Committee			HSE & Engineering Committee
Scott D. Josey	Audit Committee			HSE & Engineering Committee
Jon A. Marshall		Compensation Committee	Finance Committee	HSE & Engineering Committee
Mary P. Ricciardello	Audit Committee				Nominating & Governance Committee

= Chairperson = Member