1) LIBERTY MUTUAL GROUP

2) LIBERTY UTILITIES (CANADA) CORP.

3) LOCKHEED MARTIN

4) NASDAQ OMX GROUP (FORMERLY "THE NASDAQ STOCK MARKET")

5) NATIONAL AUTOMOBILE DEALERS ASSOCIATION

6) PRINCIPAL FINANCIAL GROUP

7) PRUDENTIAL FINANCIAL INC

8) VISTRA CORPORATE SERVICES COMPANY F/K/A VISTRA ENERGY