EXECUTIVE COMMITTEE

John R. Hurd, Chairman
Chief Executive Officer, Hurd Family Enterprises

Lewis J. Moorman III, Vice-Chairman
Investor

James B. Smith Jr., Secretary
Managing Director/Shareholder, Cox Smith Matthews Incorporated

Ronald K. Calgaard, Ph.D.
Chairman, Ray Ellison Grandchildren Trust

Charles E. Foster
Retired Group President, SBC and Former Chairman, Prodigy Internet Company

Claudia Huntington
Senior Vice-President, Capital Research and Management Company
President, AMCAP Fund

John C. Kerr
Partner, Moorman Kerr Interests, Past Board Chairman

John E. Newman Jr.
Principal, Newman Brothers

TRUSTEES

Edward H. Austin Jr.
Principal, Austin Family Investments

Richard N. Azar II
General Partner, Sezar Energy L.P.

Charles Butt
Chairman and Chief Executive Officer, HEB

Robert M. Cavender
President, Cavender Auto Group

Phyllis Slick Cowell
Philanthropist

Barbara B. Dreeben
President, Postal Addvantage

Walter Embrey
President, Embrey Partners Ltd.

John W. Feik
President and Chief Operating Officer, DFB Pharmaceuticals Inc.

William E. Greehey
Chairman, NuStar Energy L.P.

Hugh Halff Jr.
Investor

Emory A. Hamilton
Partner, Groves Alexander

George C. Hixon, Past Board Chairman
Investor/Rancher

Abigail G. Kampmann
Executive Vice President, The Performance Companies

Richard Kardys
Group Executive Vice President,
Frost Financial Management Group

William R. Klesse
Chief Executive Officer, Valero Energy Corporation

Carolyn H. Labatt
President and Chief Executive Officer, Computer Solutions

Milton B. Lee
Chief Executive Officer, CPS Energy

Mark Pitman Mays
President and Chief Operating Officer, Clear Channel Communications, Inc.

Joe C. McKinney
Vice Chairman, Broadway National Bank

Marsha M. Shields
President, McCombs Foundation

Charles Urschel Slick
Partner, Slick Enterprises

Edward E. Whitacre Jr.
Chairman Emeritus, AT&T Inc.

James P. Zachry
President, Tower Life Insurance Co.

TRUSTEES EMERITUS

Sam Barshop
Chairman, Barshop and Oles Co.

Walter F. Brown
President, Delray Oil Inc.

Leroy G. Denman Jr.
Attorney

H. Rugeley Ferguson Sr.
Investor/Rancher

Tom C. Frost Jr.
Chairman Emeritus, Frost

James W. Gorman Jr.
Investor/Rancher

B.D. Holt
Chairman, Holt Companies

Betty Stieren Kelso
Investor/Rancher

B.J. McCombs
Chairman, McCombs Enterprises

J. Burleson Smith
Partner, Cox Smith and Matthews Incorporated

Louis H. Stumberg Sr.
Investor/Rancher

SPECIAL TRUSTEES

J. Dan Bates
President, Southwest Research Institute

William L. Henrich, M.D.
President, The University of Texas Health Science Center at San Antonio

Ricardo Romo, Ph.D.
President, The University of Texas at San Antonio

HONORARY TRUSTEE

John P. Howe III, M.D.
President/CEO, Project Hope

EX OFFICIO TRUSTEES

Edward Kopplow, President
The Argyle

Edward A. Hart, President
The Founder's Council

Terry Gouger, President
Southwest Foundation Forum

SFBR STAFF OFFICERS

Kenneth P. Trevett, President

John L. VandeBerg, Chief Scientific Officer

Jeannie Frazier, Vice President for Finance and Adminstration, Chief Financial Officer