
William R. Ziegler has been a director of the Company since August 1996 and is currently Vice Chairman of the Board of Directors. He has been of counsel to the law firm of Satterlee Stephens Burke & Burke LLP since January 2001. Prior to that time he was a partner in that law firm and predecessor firms for more than five years. Mr. Ziegler is a director of Geokinetics, a 3-D seismic acquisition and geophysical service provider to the oil and gas industry, and a director of Flotek Industries, Inc., an oil services equipment supplier.
Mr. Ziegler chairs both the Corporate Governance and Nominating, and Executive Committees and is a member of the Audit Committee of the Board of Directors.
