<PAGE>
                         MFS UNION STANDARD EQUITY FUND
                                   A Series of
                            MFS Union Standard Trust

                  Supplement to the August 1, 1997 Prospectus


The following is inserted after the first sentence under  "Investment  Objective
and Policies - Investment Objective" on page 5 of the Prospectus:

                "To the extent consistent with the Fund's objective of long-term
                growth  of  capital,  dividend  and  interest  income  may  be a
                consideration  of the Fund when  deciding  whether  to  purchase
                securities for its portfolio."


                The date of this Supplement is October 2, 1997.



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission