Harold L. Hickey
President and Chief Operating Officer

Mark F. Mulhern
Executive Vice President and Chief Financial Officer

William L. Boeing
Vice President, General Counsel and Secretary

Richard A. Burnett
Vice President and Chief Accounting Officer

Michael R. Chambers, Sr.
Vice President of Operations and Asset Management

W. Justin Clarke
Assistant General Counsel, Chief Compliance Officer and Assistant Secretary

Ronald G. Edelen
Vice President of Supply Chain

Steve L. Estes
Vice President of Marketing

Joe D. Ford
Vice President of Human Resources

Russell D. Griffin
Vice President of Environmental, Health and Safety

Scott M. Herstein
Vice President of Business Development

Daniel W. Higdon
Vice President of Land

Harold H. Jameson
Vice President of Asset Management

Christopher C. Peracchi
Treasurer and Director of Finance and Investor Relations

Stephen E. Puckett
Vice President of Reservoir Engineering

Marcia R. Simpson
Vice President of Engineering

Robert L. Thomas
Chief Information Officer