1) AMERICAN INVESTMENT COUNCIL

2) AVANGRID

3) CLEARWAY ENERGY GROUP

4) COPENHAGEN INFRASTRUCTURE PARTNERS INC.

5) EDWARD D. JONES & CO., L.P.

6) FMR LLC

7) GE VERNOVA INTERNATIONAL LLC-PREVIOUSLY REPORTED AS GE RENEWABLES NORTH AMERICA

8) INVENERGY WIND, LLC

9) LARGE PUBLIC POWER COUNCIL

10) MORGAN STANLEY DEAN WITTER & COMPANY

11) NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION

12) NATIONAL VENTURE CAPITAL ASSOCIATION

13) NEXTERA ENERGY, INC.

14) PATTERN ENERGY GROUP

15) RWE ENERGY

16) SECURITIES INDUSTRY AND FINANCIAL MARKETS ASSOCIATION

17) TERRA-GEN POWER LLC

18) UNITED SERVICES AUTOMOBILE ASSOCIATION

19) VESTAS-AMERICAN WIND TECHNOLOGY, INC.