XTO Energy Inc. Directors and Officers

Bob R. Simpson
Chairman and
Chief Executive Officer
XTO Energy Inc.

Keith A. Hutton
President
XTO Energy Inc.

Vaughn O. Vennerberg II
Senior Executive Vice President
and Chief of Staff
XTO Energy Inc.

William H. Adams III
(a, b, c)
Chairman and a Principal Owner
Texas Appliance Supply, Inc.

Dr. Lane G. Collins
(a, b, c)
Professor Emeritus of Accounting
Baylor University

Phillip R. Kevil
(a, c)
Retired Executive
Certified Public Accountant

Jack P. Randall
Cofounder
Randall & Dewey
Division of Jefferies & Company, Inc.

Scott G. Sherman
(a, b, c)
Owner
Sherman Enterprises

Herbert D. Simons
(a, b, c)
Retired Tax Attorney
Certified Public Accountant

(a) Audit Committee

(b) Compensation Committee

(c) Corporate Governance and
Nominating Committee

Louis G. Baldwin
Executive Vice President and
Chief Financial Officer
XTO Energy Inc.

Timothy L. Petrus
Executive Vice President,
Acquisitions
XTO Energy Inc.

Bob R. Simpson
Chairman and
Chief Executive Officer

Keith A. Hutton
President

Vaughn O. Vennerberg II
Senior Executive Vice President
and Chief of Staff

Louis G. Baldwin
Executive Vice President and
Chief Financial Officer

Timothy L. Petrus
Executive Vice President,
Acquisitions

Brent W. Clum
Senior Vice President and Treasurer

James L. Death
Senior Vice President,
Land

Nick J. Dungey
Senior Vice President,
Natural Gas Operations

Ken K. Kirby
Senior Vice President, Operations
Eastern Region

Bennie G. Kniffen
Senior Vice President and
Controller

Frank G. McDonald
Senior Vice President, General
Counsel and Assistant Secretary

F. Terry Perkins, Jr.
Senior Vice President,
Reservoir Engineering

Mark J. Pospisil
Senior Vice President,
Geology & Geophysics

Edwin S. Ryan, Jr.
Senior Vice President,
Land Administration

Terry L. Schultz
Senior Vice President,
Marketing

Douglas C. Schultze
Senior Vice President, Operations
Mid-Continent

Gary D. Simpson
Senior Vice President,
Investor Relations & Finance

Kenneth F. Staab
Senior Vice President,
Engineering

Mark A. Stevens
Senior Vice President,
Taxation

Scott T. Agosta
Vice President,
Financial Reporting

Virginia N. Anderson
Vice President and
Corporate Secretary

Kathy L. Cox
Vice President,
Associate General Counsel
and Assistant Secretary

Delbert L. Craddock
Vice President, Operations
San Juan Basin

Kyle M. Hammond
Vice President, Operations
Permian Division

Nina C. Hutton
Vice President,
Environmental, Health and Safety

Timothy B. McIlwain
Vice President, Operations
Fort Worth Division

L. Frank Thomas III
Vice President,
Information Technology

T. Joy Webster
Vice President,
Facilities

Karen Wilson
Vice President,
Human Resources

William B. D. Butler
Assistant Treasurer

Martha L. Montgomery
Assistant Controller