Alliance Capital Management, L.P.
ALPS Mutual Fund Services, Inc.
AIM Distributors, Inc.
AIG SunAmerica Asset Management Corp.
American Express Financial Corporation
Brown Brothers Harriman & Co.
Capital Research and Management Co.
CIGNA Funds Group
Columbia Funds Management Group
Davis Selected Advisers, L.P.
Defined Asset Funds
Diversified Investment Advisors
Dodge & Cox
Enterprise Capital Management, Inc.
Evergreen Investment Services, Inc.
Founders Asset Management LLC
Frank Russell Company
Fred Alger & Co.
Goldman, Sachs & Co.
Grantham, Mayo, Van Otterloo & Co.
Guardian Investors
Harris Associates L.P.
Heritage Asset Management, Inc.
Hilliard-Lyons Government Fund, Inc.
Ixis Asset Management Distributors, L.P.

ING Funds Services, LLC
INVESCO Funds Group, Inc.
John Hancock Advisers, LLC
John Nuveen and Company, Inc.
Massachusetts Financial Services Company
Merrill Lynch Asset Management, L.P.
Morgan Keegan & Co., Inc.
Morgan Stanley Dean Witter Advisers, Inc.
The Nottingham Company
NYLIFE Investment Management
Pioneer Management Corporation
Prudential Mutual Fund Management LLC
Putnam Management Company
Reich & Tang
Ruane, Cunniff & Co., Inc.
Rydex Funds
SEI Financial Management
Sit Investment Associates, Inc.
TCW Funds Management, Inc.
TD Waterhouse Investor Services
Thrivent Financial for Lutherans
Transamerica Fund Services, Inc.
UBS Global Asset Management, Inc.
Van Kampen Asset Management
William Blair & Co., LLC