1) AMERICAN BENEFITS COUNCIL

2) Broker/Dealer Coordination Group

3) COLLEGE SAVINGS FOUNDATION

4) COMMITTEE OF ANNUITY INSURERS

5) FMR LLC

6) ICMA Retirement Corporation

7) LINCOLN FINANCIAL GROUP

8) LPL Financial

9) MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY

10) Millennium Trust Company

11) NATIONAL RURAL ELECTRIC COOPERATIVE ASSN

12) NATIONWIDE INSURANCE COMPANIES

13) Prudential Financial

14) Retirement Industry Trust Association

15) State Street Bank and Trust Co.

16) The SPARK Institute

17) TIAA

18) Transamerica Life Insurance Company

19) VANGUARD GROUP