March 16, 2000
DREYFUS INSTITUTIONAL SHORT-TERM TREASURY FUND
Supplement to the
Statement of Additional Information
Dated February 1, 2000
The following information replaces all contrary information
contained in the sections of the Statement of Additional Information
("SAI") entitled "Description of the Fund", "Management of the Fund" and
"Management Arrangements":
Effective March 16, 2000, Dreyfus Service Corporation ("DSC") became
the distributor to the Fund. DSC is located at 200 Park Avenue, New York,
NY 10166.
The following information replaces the information contained in the
section of the Statement of Additional Information ("SAI") entitled
"Management of the Fund - Officers of the Fund":
Stephen E. Canter, President. President, Chief Operating Officer, and
Chief Investment Officer of the Manager, and an officer of other
investment companies advised and administered by the Manager. Mr.
Canter also is a Director or an Executive Committee Member of the
other investment management subsidiaries of Mellon Financial
Corporation, each of which is an affiliate of the Manager. He is 54
years old.
Mark N. Jacobs, Vice President. Vice President, Secretary and General
Counsel to the Manager, and an officer of other investment companies
advised and administered by the Manager. He is 53 years old.
JosephConnolly, Vice President and Treasurer. Director - Mutual Fund
Accounting of the Manager, and an officer of other investment
companies advised and administered by the Manager. He is 42 years
old.
Michael A. Rosenberg, Secretary. Associate General Counsel of the Manager,
and an officer of other investment companies advised and administered
by the Manager. He is 40 years old.
Steven F. Newman, Assistant Secretary. Associate General Counsel and
Assistant Secretary of the Manager, and an officer of other investment
companies advised and administered by the Manager. He is 50 years old.
Robert R. Mullery, Assistant Secretary. Assistant General Counsel of the
Manager, and an officer of other investment companies advised and
administered by the Manager. He is 48 years old.
Charles Cardona, Executive Vice President. Executive Vice President of
Dreyfus Service Corporation, a wholly-owned subsidiary of the
Manager, President of Dreyfus Institutional Services Division, a
division of Dreyfus Service Corporation, and an officer of other
investment companies advised and administered by the Manager. He is
44 years old.
William McDowell, Assistant Treasurer. Senior Accounting Manager - Taxable
Fixed Income of the Manager, and an officer of other investment
companies advised and administered by the Manager. He is 41 years
old.
The address of each Fund officer is 200 Park Avenue, New York, NY
10166.
The following information supplements and replaces all contrary
information contained in the section of the SAI entitled "Service Plans":
Coincident with the transfer of distribution responsibilities from
Premier to DSC, the Fund's Board adopted amendments to the Fund's Service
Plan solely to reflect DSC as distributor, and to make other non-material
amendments to update the Plan. There was no change to the amount payable
under the Plan or to any other material terms to the Plan. The Amended
Plan provides that DSC is entitled to reimbursement for distributing Fund
shares and to receive payments for advertising and marketing related to
Fund shares and for servicing shareholder accounts.
