1) AMERICAN HEART ASSOCIATION, INC.

2) AMERICAN INTERNATIONAL GROUP

3) AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION

4) AMERIHEALTH CARITAS OKLAHOMA, INC. d/b/a AMERIHEALTH CARITAS

5) MILLENNIUM COMMUNITY SERVICES, LLC

6) NATIONAL COUNCIL ON COMPENSATION INSURANCE, INC. d/b/a NCCI

7) OKLAHOMA RURAL ASSOCIATION LLC

8) PROFESSIONAL WORKERS COMPENSATION PLAN ADMINISTRATORS OF OKLAHOMA, INC.

9) WALGREEN CO. d/b/a WAGREEN CO.