1) AMERICAN FAMILY LIFE ASSURANCE COMPANY (AFLAC)

2) CHOOSE CHICAGO

3) ENERGY TRANSFER

4) ERNST & YOUNG LLP

5) FORD MOTOR COMPANY

6) GOLD RUSH AMUSEMENTS, INC.

7) GREAT AMERICA LLC

8) ILLINOIS AMERICAN WATER COMPANY

9) ILLINOIS BIOTECHNOLOGY INNOVATION ORGANIZATION

10) ILLINOIS BROADBAND & CABLE ASSOCIATION

11) ILLINOIS MECHANICAL & SPECIALTY CONTRACTORS ASSOCIATION (IMSCA)

12) PRAIRIE POWER, INC.

13) SOUTHERN ILLINOIS HEALTH CARE FOUNDATION, INC.

14) SOUTHERN ILLINOIS POWER COOPERATIVE

15) TOUCHETTE REGIONAL HOSPITAL

16) WASTE MANAGEMENT OF ILLINOIS INC.