


CITIGROUP INC.
THE PROGRESSIVE CORPORATION
EDWARD D. JONES & CO., L.P.
UNITED SERVICES AUTOMOBILE ASSOCIATION
THE CHARLES SCHWAB CORPORATION
LIBERTY MUTUAL GROUP INC.
TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA
AETNA INC.
THE BANK OF NEW YORK MELLON
HEALTHCARE SERVICE CORP A MUTUTAL LEGAL RESERVE CORP