1) ALPHA PLUS SYSTEMS, INC.

2) CIMAREX ENERGY CO.

3) HOBBY LOBBY STORES, INC.

4) INTERNATIONAL PAPER COMPANY

5) MAGELLAN MIDSTREAM PARTNERS, L.P.

6) MOLSON COORS BEVERAGE COMPANY USA LLC

7) MOORE HOLDINGS, LLC

8) OKLAHOMA BONDSMAN ASSOCIATION, INC.

9) OKLAHOMA INDUSTRIAL ENERGY CONSUMERS

10) OKLAHOMA INJURY BENEFIT COALITION, INC.

11) OKLAHOMA SHERIFFS ASSOCIATION, INC.

12) OLDCASTLE MATERIALS, INC.

13) OPPORTUNITY SCHOLARSHIP FUND

14) ROADWAY MANAGEMENT TECHNOLOGIES LLC

15) TARGA RESOURCES LLC

16) THE BAMA COMPANIES, INC.

17) THE ROSS GROUP, L.L.C.

18) UNIT CORPORATION d/b/a OKLAHOMA INJURY BENEFIT COALITION

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