Management Questar Corporation

Keith O. Rattie*
Chairman, President and CEO

Charles B. Stanley*
Executive Vice President and COO

Questar Corporation

Alan K. Allred*
Executive Vice President

R. Allan Bradley*
Senior Vice President

Stephen E. Parks*
Senior Vice President and CFO

Questar Corporation

Jay B. Neese
Senior Vice President

Ronald W. Jibson
Senior Vice President

Thomas C. Jepperson*
Vice President and General Counsel

Abigail L. Jones*
Vice President, Compliance and Corporate Secretary

Ruland J. Gill Jr.
Vice President, Government Affairs

Diane Q. Mansfield
Vice President, Human Resources

Martin H. Craven
Treasurer and Director of Investor Relations

*Member, Corporate Management Committee

Management Questar Market Resources

Charles B. Stanley
President and CEO

Questar Market Resources

Jay B. Neese
Executive Vice President

Melvin L. Owen
Vice President, Administration Services

B. Kurtis Watts
Vice President and Controller

J. Paul Matheny
Vice President, Rockies Region

Jim E. Torgerson
Vice President, Rockies Region Drilling and Completions

Robert E. Nikkel
Vice President, Eastern Midcontinent

Michael D. Penner
Vice President, Western Midcontinent

Austin S. Murr
Vice President, Land & Business Development

Perry H. Richards
Vice President, Questar Gas Management Co. (field services)

Questar Gas Management Company

James R. Livsey
Vice President, Wexpro Company (upstream)

Wexpro Company

Eric L. Dady
General Counsel

Management Questar Pipeline

R. Allan Bradley
President and CEO

Questar Pipeline Company

Lawrence A. Conti
Vice President, Operations and Gas Control

David M. Curtis
Vice President and Controller

Kelly B. Maxfield
Vice President, IT and Administration

Questar Pipeline Company

Shahab Saeed
Vice President and COO (Questar InfoComm)

Questar InfoComm

Tad M. Taylor
General Counsel

Management Questar Gas

Alan K. Allred
President and CEO

Questar Gas Company

Ronald W. Jibson
Executive Vice President

David M. Curtis
Vice President and Controller

Kelly B. Maxfield
Vice President, IT and Administration

Questar Gas Company

Colleen L. Bell
General Counsel