1) Acorn Growth Companies, LP

2) Alliant Energy

3) Coach USA, Inc

4) Economic Innovation Group

5) Equitable (fka AXA Equitable Life Insurance Company)

6) George Kaiser Family Foundation

7) National Association of Convenience Stores

8) OU Medicine, Inc.

9) Prudential Financial Inc.

10) Sarah R. Hadley

11) Society of Independent Gasoline Marketers of America

12) StarKist Co.

13) The Travelers Companies, Inc. and subsidiaries

14) The University of Tulsa

15) Triangle Tire USA

16) Troy Chemicals

17) University of Oklahoma