1) CIMAREX ENERGY CO.

2) COMMUNITY CARE HMO, L.C.

3) FACEBOOK d/b/a FACEBOOK

4) INTERNATIONAL PAPER COMPANY d/b/a INTERNATIONAL PAPER

5) MAGELLAN MIDSTREAM PARTNERS, L.P.

6) MOLSON COORS BEVERAGE COMPANY USA LLC

7) OKLAHOMA BONDSMAN ASSOCIATION, INC.

8) OKLAHOMA COMMUNITY HEALTH CENTERS, INC.

9) OKLAHOMA INDUSTRIAL ENERGY CONSUMERS

10) OKLAHOMA INTERACTIVE, LLC

11) OKLAHOMA SHERIFFS ASSOCIATION, INC.

12) RESCARE d/b/a RESCARE

13) TARGA RESOURCES LLC

14) THE BAMA COMPANIES, INC.

15) THE ROSS GROUP, L.L.C.

16) TULSA COUNTY PUBLIC FACILITIES AUTHORITY

17) TULSA METROPOLITAN UTILITY AUTHORITY

18) UNIT CORPORATION

19) XCALIBER INTERNATIONAL LTD., L.L.C.