Fidelity Defined Trusts, Series 4
Investment Grade Series 3, Intermediate Insured Corporate Portfolio
Supplement to the Prospectus dated May 29, 1997
Notwithstanding anything to the contrary in the Prospectus, purchases
of Units of Investment Grade Series 3, Intermediate Insured Corporate
Portfolio will be aggregated with all purchases of Units of any other
unit investment trust that may be offered by the Sponsor for purposes
of determining the reduced sales charges resulting from quantity
discounts as shown in the table appearing on page 34 of the
Prospectus.
January 13, 1998
