FEDERATED SHORT-TERM INCOME FUND
(A PORTFOLIO OF FEDERATED INCOME SECURITIES TRUST)
Institutional Service Shares
SUPPLEMENT TO PROSPECTUS DATED JUNE 30, 1995
Please insert the following as a new section immediately following the sub-
section entitled "By Mail" on page 19:
"EXCHANGE PRIVILEGE
Financial institutions that maintain master accounts with an aggregate
investment of at least $400 million in certain funds which are advised
or distributed by affiliates of Federated Investors may exchange their
Shares for Institutional Shares of the Trust."
January 8, 1996
FEDERATED SECURITIES CORP.
Distributor PE
A subsidiary of FEDERATED
INVESTORS
Federated Investors Tower
PITTSBURGH, PA 15222-3779
Cusip 31420C308