1) AMERICAN BENEFITS COUNCIL

2) Broker/Dealer Coordination Group

3) EDWARD JONES INVESTMENTS

4) FMR LLC

5) LPL Financial

6) MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY

7) NATIONAL RURAL ELECTRIC COOPERATIVE ASSN

8) NATIONWIDE INSURANCE COMPANIES

9) Prudential Financial

10) SMART USA Co.

11) State Street Bank and Trust Co.

12) TIAA

13) Transamerica Life Insurance Company

14) VANGUARD GROUP

15) Willis North America, Inc.