Kenneth Scott
Chairman of the Board
Compensation Committee Chair
Retired Senior Vice President of Energy and
Managing Director of European Operations,
Perot Systems Corporation

Daniel A. Roling
President and Chief Executive Officer
National Coal Corp., National Coal Corporation

Robert Heinlein
Audit Committee Chair
Partner, Full Lein Consulting

Gerald Malys
Nominating and Governance Committee Chair
Chief Financial Officer,
Apex Silver Inc.

Senior Management

Daniel A. Roling
President and Chief Executive Officer

Charles W. Kite
Senior Vice President and General Counsel

Michael Castle
Senior Vice President and Chief Financial Officer

William R. Snodgrass
Senior Vice President and Chief Operating Officer