Board of Directors







Regional Vice Chairmen

Tim Elliott

Regional Vice Chairman - Region 5 (SW)

Chief Executive Officer

Standley Systems LLC

Richard Ruhl

Regional Vice Chairman - Region 6 (NW)

General Manager

Pioneer

At-Large Members of the Executive Committee

Bruce Heine

At-Large Executive Committee Member

Vice President, Government & Media Affairs

Magellan Midstream Partners

Steven D. Hendrickson

At-Large Executive Committee Member

Director, Government Operations

The Boeing Company

Bradley W. Krieger

At-Large Executive Committee Member

Chairman

Arvest Bank — Oklahoma

Ken Miller

At-Large Executive Committee Member

Vice President, Regulatory & Legislative Affairs

OGE Energy Corp.

Rick Nagel

At-Large Executive Committee Member

Managing Partner

Acorn Growth Companies

Mark Nichols

Vice President, Government & Public Affairs

Koch Industries

H.J. Reed

At-Large Executive Committee Member

Manager, State Government Affairs

Phillips 66

Peggy Simmons

At-Large Executive Committee Member

President & COO

Public Service Company of Oklahoma