Travis W. Bain II
Chairman, Texas Custom Pools, Inc.
Plano, Texas
Board member since 1988
Committees: Work Session/Annual Meeting (Chairman), Audit,
Human Resources, Executive

Robert W. Best
Chairman of the Board, President and Chief Executive Officer
Atmos Energy Corporation
Dallas, Texas
Board member since 1997

Dan Busbee
Adjunct Professor, Dedman School of Law, Southern Methodist University;
Senior Visiting Fellow, Centre for Commercial Law Studies, University of London
Dallas, Texas
Board member since 1988
Committees: Audit (Chairman), Human Resources, Executive

Richard W. Cardin
Retired Partner of Arthur Andersen, LLP
Nashville, Tennessee
Board member since 1997
Committees: Audit, Nominating and Corporate Governance

Richard W. Douglas
Executive Vice President, The Staubach Company
Dallas, Texas
Board member since 2007
Committees: Human Resources, Work Session/Annual Meeting

Thomas J. Garland
Chairman of Tusculum Institute for Public
Leadership and Policy
Greeneville, Tennessee
Board member since 1997
Committees: Human Resources, Work
Session/Annual Meeting

Richard K. Gordon
General Partner, Juniper Capital LP and Juniper Advisory LP
Houston, Texas
Board member since 2001
Committee: Human Resources (Chairman),
Nominating and Corporate Governance, Executive

Dr. Thomas C. Meredith
Commissioner of Mississippi
Institutions of Higher Learning
Jackson, Mississippi
Board member since 1995
Committees: Audit, Nominating and Corporate Governance

Phillip E. Nichol
Formerly Senior Vice President of Central Division Staff
UBS PaineWebber Incorporated
Dallas, Texas
Board member since 1985
Committees: Nominating and Corporate Governance (Chairman), Human Resources, Executive, Work Session/Annual Meeting

Nancy K. Quinn
Co-founder, Hanover Capital, LLC
East Hampton, New York
Board member since 2004
Committees: Audit, Nominating and Corporate Governance

Stephen R. Springer
Retired Senior Vice President
and General Manager
Midstream Division
The Williams Companies
Syracuse, Indiana
Board member since 2005
Committees: Work Session/Annual Meeting

Charles K. Vaughan
Retired Chairman of the Board
Atmos Energy Corporation
Dallas, Texas
Board member since 1983
Committee: Executive (Chairman)

Richard Ware II
President, Amarillo National Bank
Amarillo, Texas
Board member since 1994
Committees: Nominating and Corporate Governance,
Work Session/Annual Meeting

Lee E. Schlessman
Honorary Director
President, Dolo Investment Company
Denver, Colorado
Retired from Board in 1998