<PAGE>
              MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND OF
               MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                      SUPPLEMENT DATED MARCH 12, 1996 TO
          STATEMENT OF ADDITIONAL INFORMATION DATED OCTOBER 27, 1995

     The name and  biography of the portfolio  manager of the Fund,  which is
listed under "Management  of the Trust -- Trustees and  Officers", is revised
as follows:

     ROBERTO ROFFO  (30) - Portfolio  Manager(1)(2) - Vice President  of MLAM
since  1996  and a  Portfolio  Manager  thereof  since 1992;  prior  thereto,
employee of State Street Bank and Trust Company from 1989 to 1992.

Code #16149-1095ALL



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