455 Massachusetts Ave., NW, Suite 1200, Washington, DC, 20001, 
1) AFLAC, INC.
4) CERTIFIED FINANCIAL PLANNER BOARD OF STANDARDS, INC.
5) CLEANER ECONOMY COALITION, INC.
6) EQUITABLE
7) INSTITUTE FOR PORTFOLIO ALTERNATIVES (IPA)
8) INVESCO LTD
9) INVESTMENT ADVISER ASSOCIATION (IAA)
11) METROPOLITAN LIFE INSURANCE COMPANY
12) MUTUAL OF OMAHA INSURANCE COMPANY
13) NATIONAL COORDINATING COMMITTEE FOR MULTIEMPLOYER PLANS (NCCMP)
15) PARTNERSHIP FOR AUTOMATIC WORKPLACE SAVINGS
16) PONTERA, INC.
17) PROTECTIVE LIFE CORPORATION
18) PRUDENTIAL FINANCIAL, INC.
19) STABLE VALUE INVESTMENT ASSOCIATION (SVIA)
20) STATE FARM INSURANCE COMPANIES
21) SUN LIFE FINANCIAL (U.S.) SERVICES COMPANY INC.
22) THE ESOP ASSOCIATION (TEA)
23) THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY
24) TIAA
25) UNITED MINEWORKERS OF AMERICA RETIREE HEALTH AND PENSION PLAN (UMWA RHPP)
1615 H STREET, NW, WASHINGTON, DC, 20062,