Ted N. Geisler

Chairman of the Board, President and Chief Executive Officer, Pinnacle West Capital Corporation and Arizona Public Service Company

Glynis A. Bryan

Former Chief Financial Officer, Insight Enterprises Inc.

Ronald Butler, Jr.

Retired Arizona Managing Partner, EY

Gonzalo A. de la Melena, Jr.

Founder and Chief Executive Officer, Emerging Airport Ventures

Carol S. Eicher

Susan T. Flanagan

Richard P. Fox

Independent Consultant and former Managing Partner, Ernst & Young

Paula J. Sims

Consultant

William H. Spence

Former Chairman, President and Chief Executive Officer, PPL Corporation

Kristine L. Svinicki

Adjunct Professor of Nuclear Engineering and Radiological Sciences, University of Michigan; Former Chairman, U.S. Nuclear Regulatory Commission

James E. Trevathan, Jr.

Former Executive Vice President and Chief Operating Officer, Waste Management Inc.

Out of our 11 Board members, Mses. Bryan, Eicher, Flanagan, Sims and Svinicki are women. Ms. Bryan is a woman of color and Messrs. de la Melena and Butler are members of the Hispanic community.