MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
485BPOS, 1994-10-17
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<PAGE>
   
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 17, 1994
    

                                                SECURITIES ACT FILE NO. 33-35987
                                        INVESTMENT COMPANY ACT FILE NO. 811-4375
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                              -------------------
                                   FORM N-1A

                          REGISTRATION STATEMENT UNDER
                           THE SECURITIES ACT OF 1933                        /X/

                          PRE-EFFECTIVE AMENDMENT NO.                        / /

                         POST-EFFECTIVE AMENDMENT NO. 4                      /X/
                                     AND/OR

                          REGISTRATION STATEMENT UNDER
                       THE INVESTMENT COMPANY ACT OF 1940                    /X/

                                AMENDMENT NO. 86                             /X/
                        (Check appropriate box or boxes)
                              -------------------
                MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
              OF MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
   
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
    

   
        800 SCUDDERS MILL ROAD
        PLAINSBORO, NEW JERSEY             08536
(Address of Principal Executive Office)  (Zip Code)

    

       Registrant's Telephone Number, including Area Code (609) 282-2800

   
                                 ARTHUR ZEIKEL
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
                 800 SCUDDERS MILL ROAD, PLAINSBORO, NEW JERSEY
        MAILING ADDRESS: P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011
    
                              -------------------
                                   COPIES TO:

   
       Counsel for the Trust:           Philip L. Kirstein, Esq.
            BROWN & WOOD                  FUND ASSET MANAGEMENT
       One World Trade Center                 P.O. Box 9011
    New York, New York 10048-0557         Princeton, New Jersey
Attention: Thomas R. Smith, Jr., Esq.          08543-9011

                              -------------------
    
 IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE (CHECK APPROPRIATE BOX)
   
                   / / immediately upon filing pursuant to paragraph (b)
    
   
                   /X/ on October 21, 1994 pursuant to paragraph (b)
                    / / 60 days after filing pursuant to paragraph (a)(i)
                    / / on (date) pursuant to paragraph (a)(i)
    
   
                   / /_75 days after filing pursuant to paragraph (a)(ii)
    
   
                   / /_on (date) pursuant to paragraph (a)(ii) of Rule 485.
    
   
            IF APPROPRIATE, CHECK THE FOLLOWING BOX:
    
   
                    / /_ this post-effective amendment designates a new
                         effective date for a previously filed post-effective
                         amendment.
    
                              -------------------

   
    THE  REGISTRANT  HAS  REGISTERED  AN  INDEFINITE  NUMBER  OF  ITS  SHARES OF
BENEFICIAL INTEREST UNDER  THE SECURITIES  ACT OF  1933 PURSUANT  TO RULE  24F-2
UNDER  THE INVESTMENT COMPANY ACT OF 1940.  THE NOTICE REQUIRED BY SUCH RULE FOR
THE REGISTRANT'S MOST RECENT FISCAL YEAR WAS FILED ON SEPTEMBER 22, 1994.
    

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
               MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND OF
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
                      REGISTRATION STATEMENT ON FORM N-1A
                             CROSS REFERENCE SHEET

   
<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                                LOCATION
- ------------------------------------------------------------------------  ----------------------------------------------
<S>        <C>          <C>                                               <C>
PART A
           Item  1.     Cover Page......................................  Cover Page
           Item  2.     Synopsis........................................  Fee Table
           Item  3.     Condensed Financial Information.................  Financial Highlights; Performance Data
           Item  4.     General Description of Registrant...............  Investment Objective and Policies; Additional
                                                                            Information
           Item  5.     Management of the Fund..........................  Fee Table; Management of the Trust; Inside
                                                                            Back Cover Page
           Item 5A.     Management's Discussion of Fund Performance.....  Not Applicable
           Item  6.     Capital Stock and Other Securities..............  Cover Page; Additional Information
           Item  7.     Purchase of Securities Being Offered............  Cover Page; Fee Table; Merrill Lynch Select
                                                                            Pricing-SM- System; Purchase of Shares;
                                                                            Shareholder Services; Additional
                                                                            Information; Inside Back Cover Page
           Item  8.     Redemption or Repurchase........................  Fee Table; Merrill Lynch Select Pricing-SM-
                                                                            System; Purchase of Shares; Redemption of
                                                                            Shares
           Item  9.     Pending Legal Proceedings.......................  Not Applicable
PART B
           Item 10.     Cover Page......................................  Cover Page
           Item 11.     Table of Contents...............................  Back Cover Page
           Item 12.     General Information and History.................  Not Applicable
           Item 13.     Investment Objective and Policies...............  Investment Objective and Policies
           Item 14.     Management of the Fund..........................  Management of the Trust
           Item 15.     Control Persons and Principal Holders of
                          Securities....................................  Management of the Trust; Additional
                                                                            Information
           Item 16.     Investment Advisory and Other Services..........  Management of the Trust; Purchase of Shares;
                                                                            General Information
           Item 17.     Brokerage Allocation and Other Practices........  Portfolio Transactions
           Item 18.     Capital Stock and Other Securities..............  General Information-Description of Series and
                                                                            Shares
           Item 19.     Purchase, Redemption and Pricing of Securities
                          Being Offered.................................  Purchase of Shares; Redemption of Shares;
                                                                            Determination of Net Asset Value;
                                                                            Shareholder Services
           Item 20.     Tax Status......................................  Distributions and Taxes
           Item 21.     Underwriters....................................  Purchase of Shares
           Item 22.     Calculation of Performance Data.................  Performance Data
           Item 23.     Financial Statements............................  Financial Statements
PART C
</TABLE>
    

    Information  required  to be  included  in Part  C  is set  forth  under the
appropriate Item, so numbered, in Part C to this Registration Statement.
<PAGE>
PROSPECTUS
   
OCTOBER 21, 1994
    
   
                MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
    P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011-PHONE NO. (609) 282-2800
    
                              -------------------

    Merrill  Lynch Massachusetts  Municipal Bond Fund  (the "Fund")  is a mutual
fund seeking to provide shareholders with as high a level of income exempt  from
Federal  and Massachusetts income taxes as is consistent with prudent investment
management. The  Fund  invests  primarily  in  a  non-diversified  portfolio  of
long-term,  investment grade obligations, the interest  on which, in the opinion
of bond counsel to the issuer,  is exempt from Federal and Massachusetts  income
taxes  ("Massachusetts Municipal Bonds"). Dividends paid  by the Fund are exempt
from Federal and  Massachusetts income taxes  to the extent  they are paid  from
interest  on  Massachusetts  Municipal Bonds.  The  Fund may  invest  in certain
tax-exempt securities classified  as "private activity  bonds" that may  subject
certain  investors in the Fund to an alternative minimum tax. At times, the Fund
may seek to  hedge its  portfolio through the  use of  futures transactions  and
options.  There can be  no assurance that  the investment objective  of the Fund
will be realized.
                              -------------------

   
    Pursuant to the  Merrill Lynch  Select Pricing-SM- System,  the Fund  offers
four  classes of  shares, each  with a  different combination  of sales charges,
ongoing fees and  other features.  The Merrill Lynch  Select Pricing-SM-  System
permits  an investor to choose the method of purchasing shares that the investor
believes is most beneficial given the amount of the purchase, the length of time
the investor expects to  hold the shares and  other relevant circumstances.  See
"Merrill Lynch Select Pricing-SM- System" on page 4.
    

   
    Shares  may be purchased directly from Merrill Lynch Funds Distributor, Inc.
(the "Distributor"),  P.O. Box  9011, Princeton,  New Jersey  08543-9011  [(609)
282-2800],  and other securities dealers which have entered into selected dealer
agreements with the Distributor, including Merrill Lynch, Pierce, Fenner & Smith
Incorporated ("Merrill Lynch"). The minimum  initial purchase is $1,000 and  the
minimum  subsequent purchase  is $50. Merrill  Lynch may charge  its customers a
processing fee  (presently  $4.85)  for confirming  purchases  and  repurchases.
Purchases  and redemptions  directly through the  Fund's Transfer  Agent are not
subject to  the processing  fee. See  "Purchase of  Shares" and  "Redemption  of
Shares".
    
                              -------------------

THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY  THE SECURITIES
  AND EXCHANGE  COMMISSION OR  ANY  STATE SECURITIES  COMMISSION NOR  HAS  THE
    SECURITIES  AND EXCHANGE  COMMISSION OR ANY  STATE SECURITIES COMMISSION
     PASSED  UPON   THE   ACCURACY   OR  ADEQUACY   OF   THIS   PROSPECTUS.
           ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
                              -------------------

   
    This Prospectus is a concise statement of information about the Fund that is
relevant to making an investment in the Fund. This Prospectus should be retained
for  future reference. A  statement containing additional  information about the
Fund, dated October 21,  1994 (the "Statement  of Additional Information"),  has
been filed with the Securities and Exchange Commission and is available, without
charge,  by calling  or by  writing Merrill  Lynch Multi-State  Municipal Series
Trust (the "Trust") at the above  telephone number or address. The Statement  of
Additional Information is hereby incorporated by reference into this Prospectus.
The  Fund is a separate  series of the Trust,  an open-end management investment
company organized as a Massachusetts business trust.
    
                              -------------------

   
                         FUND ASSET MANAGEMENT--MANAGER
               MERRILL LYNCH FUNDS DISTRIBUTOR, INC.--DISTRIBUTOR
    
<PAGE>
                                   FEE TABLE

   
    A  general comparison of  the sales arrangements  and other nonrecurring and
recurring expenses applicable to shares of the Fund follows:
    

   
<TABLE>
<CAPTION>
                                                  CLASS A(A)        CLASS B(B)         CLASS C(C)   CLASS D(C)
                                                  ----------   ---------------------   ----------   ----------
<S>                                               <C>          <C>                     <C>          <C>
SHAREHOLDER TRANSACTION EXPENSES:
    Maximum Sales Charge Imposed on Purchases
      (as a percentage of offering price).......      4.00%(d)         None               None          4.00%(d)
    Sales Charge Imposed on Dividend
      Reinvestments.............................       None            None               None           None(e)
    Deferred Sales Charge (as a percentage of
      original purchase price or redemption
      proceeds, whichever is lower).............       None(e) 4.0% during the first     1% for          None
                                                               year, decreasing 1.0%    one year
                                                                annually thereafter
                                                                 to 0.0% after the
                                                                    fourth year
    Exchange Fee................................       None            None               None           None
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE
  OF AVERAGE NET ASSETS)(F):
    Management Fees(g)..........................      0.55%            0.55%             0.55%          0.55%
    Rule 12b-1 Fees(h):
        Account Maintenance Fees................       None            0.25%             0.25%          0.10%
        Distribution Fees.......................       None            0.25%             0.35%           None
                                                                  (CLASS B SHARES
                                                                CONVERT TO CLASS D
                                                               SHARES AUTOMATICALLY
                                                                AFTER APPROXIMATELY
                                                                TEN YEARS AND CEASE
                                                                 BEING SUBJECT TO
                                                               DISTRIBUTION FEES AND
                                                               ARE SUBJECT TO LOWER
                                                                ACCOUNT MAINTENANCE
                                                                       FEES)
    Other Expenses:
        Custodian Fees..........................      0.02%            0.02%             0.02%          0.02%
        Shareholder Servicing Costs(i)..........      0.04%            0.05%             0.05%          0.04%
        Other...................................      0.24%            0.24%             0.24%          0.24%
                                                      -----    ---------------------   ----------       -----
                Total Other Expenses............      0.30%            0.31%             0.31%          0.30%
                                                      -----    ---------------------   ----------       -----
TOTAL FUND OPERATING EXPENSES+..................      0.85%            1.36%             1.46%          0.95%
                                                      -----    ---------------------   ----------       -----
                                                      -----    ---------------------   ----------       -----
<FN>
- ------------
(a)  Class A shares are sold to a limited group of investors including  existing
     Class  A  shareholders and  certain investment  programs. See  "Purchase of
     Shares -- Initial Sales Charge Alternatives -- Class A and Class D  Shares"
     -- page 22.
(b)  Class  B shares  convert to Class  D shares  automatically approximately 10
     years after initial  purchase. See  "Purchase of Shares  -- Deferred  Sales
     Charge Alternatives -- Class B and Class C Shares" -- page 24.
(c)  Prior  to the date of this Prospectus, the Fund has not offered its Class C
     or Class D shares to the public.
(d)  Reduced for purchases of $25,000 and over. Class A and Class D purchases of
     $1,000,000 or  more may  not be  subject to  an initial  sales charge.  See
     "Purchase  of Shares  -- Initial Sales  Charge Alternatives --  Class A and
     Class D Shares" -- page 22.
(e)  Class A and Class D shares are  not subject to a contingent deferred  sales
     charge  ("CDSC"), except  that purchases of  $1,000,000 or more  may not be
     subject to an initial sales charge, but  will instead be subject to a  CDSC
     of 1% of amounts redeemed within the first year of purchase.
</TABLE>
    

                                       2
<PAGE>
   
<TABLE>
<S>  <C>
(f)  Information  for Class A and  Class B shares is  stated for the fiscal year
     ended July 31,  1994. Information under  "Other Expenses" for  Class C  and
     Class D shares is estimated for the fiscal year ending July 31, 1995.
(g)  See  "Management of the  Trust -- Management  and Advisory Arrangements" --
     page 19.
(h)  See "Purchase of Shares -- Distribution Plans" -- page 26.
(i)  See "Management of the Trust -- Transfer Agency Services" -- page 20.
 +   As of July 31, 1994,  the Manager has voluntarily  waived a portion of  the
     management  fees due  from the  Fund. The  fee table  has been  restated to
     assume the absence of any such  waiver because the Manager may  discontinue
     or reduce such waiver of fees at any time without notice. During the fiscal
     year ended July 31, 1994, the Manager waived management fees totaling 0.23%
     for  Class A  shares and 0.24%  for Class  B shares after  which the Fund's
     total expense ratio  was 0.62% for  Class A  shares and 1.12%  for Class  B
     shares. Information is not provided with respect to either Class C or Class
     D  shares since no  Class C or  Class D shares  were publicly issued during
     this period.
</TABLE>
    

EXAMPLE:

   
<TABLE>
<CAPTION>
                                                                  CUMULATIVE EXPENSES PAID
                                                                     FOR THE PERIOD OF:
                                                              --------------------------------
                                                                        3                10
                                                              1 YEAR  YEARS   5 YEARS   YEARS
                                                              ------  ------  -------  -------
<S>                                                           <C>     <C>     <C>      <C>
An investor would pay the following expenses on a $1,000
  investment including the maximum $40 initial sales charge
  (Class A and Class D shares only) and assuming (1) the
  Total Fund Operating Expenses for each class set forth
  above, (2) a 5% annual return throughout the periods and
  (3) redemption at the end of the period:
    Class A.................................................  $  48   $  66   $   85   $  141
    Class B.................................................  $  54   $  63   $   74   $  164
    Class C.................................................  $  25   $  46   $   80   $  175
    Class D.................................................  $  49   $  69   $   90   $  152
An investor would pay the following expenses on the same
  $1,000 investment assuming no redemption at the end of the
  period:
    Class A.................................................  $  48   $  66   $   85   $  141
    Class B.................................................  $  14   $  43   $   74   $  164
    Class C.................................................  $  15   $  46   $   80   $  175
    Class D.................................................  $  49   $  69   $   90   $  152
</TABLE>
    

   
    The foregoing Fee Table is intended to assist investors in understanding the
costs and  expenses  that  a shareholder  in  the  Fund will  bear  directly  or
indirectly.  The Example set  forth above assumes  reinvestment of all dividends
and distributions  and  utilizes a  5%  annual rate  of  return as  mandated  by
Securities  and Exchange Commission (the  "Commission") regulations. THE EXAMPLE
SHOULD NOT BE CONSIDERED A REPRESENTATION  OF PAST OR FUTURE EXPENSES OR  ANNUAL
RATES  OF RETURN, AND ACTUAL  EXPENSES OR ANNUAL RATES OF  RETURN MAY BE MORE OR
LESS THAN  THOSE ASSUMED  FOR  PURPOSES OF  THE EXAMPLE.  Class  B and  Class  C
shareholders  who hold their shares for an  extended period of time may pay more
in Rule 12b-1  distribution fees  than the  economic equivalent  of the  maximum
front-end  sales  charge  permitted under  the  Rules  of Fair  Practice  of the
National Association of Securities Dealers, Inc. (the "NASD"). Merrill Lynch may
charge its customers a processing fee (presently $4.85) for confirming purchases
and repurchases. Purchases and redemptions directly through the Fund's  Transfer
Agent  are  not subject  to the  processing  fee. See  "Purchase of  Shares" and
"Redemption of Shares".
    

                                       3
<PAGE>
   
                    MERRILL LYNCH SELECT PRICING-SM- SYSTEM
    

   
    The Fund  offers four  classes  of shares  under  the Merrill  Lynch  Select
Pricing-SM-  System. The shares of each class  may be purchased at a price equal
to the next determined net  asset value per share  subject to the sales  charges
and  ongoing fee arrangements described below. Shares of Class A and Class D are
sold to investors choosing the initial sales charge alternatives, and shares  of
Class  B and Class  C are sold  to investors choosing  the deferred sales charge
alternatives. The Merrill Lynch  Select Pricing System is  used by more than  50
mutual  funds advised by  Merrill Lynch Asset Management,  L.P. ("MLAM") or Fund
Asset Management, L.P.  ("FAM" or the  "Manager"), an affiliate  of MLAM.  Funds
advised by MLAM or FAM are referred to herein as "MLAM-advised mutual funds".
    

   
    Each  Class A, Class B, Class  C or Class D share  of the Fund represents an
identical interest in  the investment  portfolio of the  Fund and  has the  same
rights, except that Class B, Class C and Class D shares bear the expenses of the
ongoing  account  maintenance fees  and  Class B  and  Class C  shares  bear the
expenses of  the  ongoing  distribution  fees  and  the  additional  incremental
transfer agency costs resulting from the deferred sales charge arrangements. The
deferred  sales charges and account maintenance fees that are imposed on Class B
and Class C shares, as well as the account maintenance fees that are imposed  on
Class  D shares, will be imposed directly  against those classes and not against
all assets of the Fund  and, accordingly, such charges  will not affect the  net
asset  value of any other class or have any impact on investors choosing another
sales charge option. Dividends paid by the Fund for each class of shares will be
calculated in the  same manner  at the  same time and  will differ  only to  the
extent  that  account  maintenance  and distribution  fees  and  any incremental
transfer agency costs relating  to a particular class  are borne exclusively  by
that  class.  Each class  has  different exchange  privileges.  See "Shareholder
Services -- Exchange Privilege".
    

   
    Investors should understand  that the  purpose and function  of the  initial
sales  charges with respect  to the Class A  and Class D shares  are the same as
those of the  deferred sales charges  with respect to  the Class B  and Class  C
shares  in  that the  sales charges  applicable  to each  class provide  for the
financing   of   the   distribution   of   the   shares   of   the   Fund.   The
distribution-related  revenues paid with respect to a  class will not be used to
finance the  distribution expenditures  of another  class. Sales  personnel  may
receive different compensation for selling different classes of shares.
    

   
    The  following table sets  forth a summary  of the distribution arrangements
for each class of shares under the Merrill Lynch Select Pricing System, followed
by a more detailed  description of each  class and a  discussion of the  factors
that  investors should consider  in determining the  method of purchasing shares
    

                                       4
<PAGE>
   
under the Merrill Lynch Select Pricing-SM- System that the investor believes  is
most beneficial under his particular circumstances. More detailed information as
to each class of shares is set forth under "Purchase of Shares".
    

   
<TABLE>
<CAPTION>

                                                  ACCOUNT
                                                MAINTENANCE   DISTRIBUTION
CLASS             SALES CHARGE(1)                   FEE           FEE                 CONVERSION FEATURE
<C>   <S>                                       <C>           <C>          <C>
  A   Maximum 4.00% initial sales charge(2)(3)      No             No                         No
  B   CDSC for a period of 4 years, at a rate      0.25%         0.25%     B shares convert to D shares
        of 4.0% during the first year,                                       automatically after
        decreasing 1.0% annually to 0.0%                                     approximately ten years(4)
  C   1.0% CDSC for one year                       0.25%         0.35%                        No
  D   Maximum 4.00% initial sales charge(3)        0.10%           No                         No
<FN>
(1)  Initial  sales charges are imposed at the  time of purchase as a percentage
     of the  offering price.  Contingent deferred  sales charges  ("CDSCs")  are
     imposed  if the redemption  occurs within the  applicable CDSC time period.
     The charge  will be  assessed  on an  amount equal  to  the lesser  of  the
     proceeds of redemption or the cost of the shares being redeemed.
(2)  Offered  only to  eligible investors.  See "Purchase  of Shares  -- Initial
     Sales Charge Alternatives -- Class A and Class D Shares -- Eligible Class A
     Investors".
(3)  Reduced for  purchases  of $25,000  or  more. Class  A  and Class  D  share
     purchases  of $1,000,000  or more  may not be  subject to  an initial sales
     charge but instead will be  subject to a 1.0%  CDSC if redeemed within  one
     year. See "Class A" and "Class D" below.
(4)  The  conversion period for dividend  reinvestment shares is modified. Also,
     Class B  shares  of certain  other  MLAM-advised mutual  funds  into  which
     exchanges  may be  made have  an eight year  conversion period.  If Class B
     shares of the Fund are exchanged for Class B shares of another MLAM-advised
     mutual fund,  the  conversion  period  applicable to  the  Class  B  shares
     acquired  in the exchange will apply, and the holding period for the shares
     exchanged will be tacked on to the holding period for the shares acquired.
</TABLE>
    

   
<TABLE>
<S>        <C>
CLASS A:   Class A shares incur an initial sales  charge when they are purchased and bear  no
           ongoing  distribution or account maintenance fees. Class A shares are offered to a
           limited group of investors and also will be issued upon reinvestment of  dividends
           on  outstanding Class A shares.  Investors that currently own  Class A shares in a
           shareholder account are  entitled to purchase  additional Class A  shares in  that
           account. In addition, Class A shares will be offered to directors and employees of
           Merrill   Lynch  &  Co.,  Inc.  ("ML  &  Co.")  and  its  subsidiaries  (the  term
           "subsidiaries", when used  herein with  respect to ML  & Co.,  includes MLAM,  the
           Manager  and  certain  other  entities  directly  or  indirectly  wholly-owned and
           controlled by ML  & Co.),  and to  members of  the Boards  of MLAM-advised  mutual
           funds.  The maximum initial sales charge is  4.00%, which is reduced for purchases
           of $25,000 and  over. Purchases of  $1,000,000 or more  may not be  subject to  an
           initial  sales charge but  if the initial  sales charge is  waived, such purchases
           will be  subject to  a CDSC  if  the shares  are redeemed  within one  year  after
           purchase. Sales charges also are reduced under a right of accumulation which takes
           into  account the  investor's holdings of  all classes of  all MLAM-advised mutual
           funds. See "Purchase of Shares -- Initial Sales Charge Alternatives -- Class A and
           Class D Shares".
</TABLE>
    

                                       5
<PAGE>
   
<TABLE>
<S>        <C>
CLASS B:   Class B shares do not incur a sales  charge when they are purchased, but they  are
           subject  to an ongoing  account maintenance fee of  0.25%, an ongoing distribution
           fee of 0.25% of the Fund's average net assets attributable to the Class B  shares,
           and  a CDSC if they are redeemed  within four years of purchase. Approximately ten
           years after  issuance, Class  B shares  will convert  automatically into  Class  D
           shares  of the Fund, which are subject to a lower account maintenance fee of 0.10%
           and no distribution fee; Class B shares of certain other MLAM-advised mutual funds
           into which exchanges may be made  convert into Class D shares automatically  after
           approximately eight years. If Class B shares of the Fund are exchanged for Class B
           shares  of another MLAM-advised  mutual fund, the  conversion period applicable to
           the Class  B shares  acquired in  the exchange  will apply,  as will  the Class  D
           account  maintenance fee of the acquired fund upon the conversion, and the holding
           period for the shares exchanged  will be tacked on to  the holding period for  the
           shares  acquired. Automatic conversion of Class B  shares into Class D shares will
           occur at least once each  month on the basis of  the relative net asset values  of
           the  shares of the two  classes on the conversion  date, without the imposition of
           any sales load,  fee or  other charge.  Conversion of Class  B shares  to Class  D
           shares  will not be deemed a purchase or sale of the shares for Federal income tax
           purposes. Shares purchased  through reinvestment  of dividends on  Class B  shares
           also  will  convert automatically  to Class  D shares.  The conversion  period for
           dividend reinvestment shares is modified as described under "Purchase of Shares --
           Deferred Sales Charge Alternatives -- Class B and Class C Shares -- Conversion  of
           Class B Shares to Class D Shares".
CLASS C:   Class  C shares do not incur a sales  charge when they are purchased, but they are
           subject to an ongoing account maintenance fee of 0.25% and an ongoing distribution
           fee of 0.35%  of the Fund's  average net  assets attributable to  Class C  shares.
           Class  C shares are also subject to a CDSC if they are redeemed within one year of
           purchase. Although Class C shares are subject to a 1.0% CDSC for only one year (as
           compared to four years  for Class B),  Class C shares  have no conversion  feature
           and,  accordingly, an investor  that purchases Class  C shares will  be subject to
           distribution fees and  higher account  maintenance fees  that will  be imposed  on
           Class  C shares for an indefinite period subject to annual approval by the Trust's
           Board of Trustees and regulatory limitations.
CLASS D:   Class D shares  incur an  initial sales  charge when  they are  purchased and  are
           subject  to an ongoing account maintenance fee  of 0.10% of the Fund's average net
           assets attributable  to Class  D shares.  Class D  shares are  not subject  to  an
           ongoing  distribution  fee  or  any  CDSC when  they  are  redeemed.  Purchases of
           $1,000,000 or  more may  not be  subject to  an initial  sales charge  but if  the
           initial  sales charge is waived such purchases will  be subject to a CDSC of 1% if
           the shares are redeemed within one year of purchase. The schedule of initial sales
           charges and reductions  for the Class  D shares is  the same as  the schedule  for
           Class  A shares.  Class D shares  also will be  issued upon conversion  of Class B
           shares as described  above under  "Class B". See  "Purchase of  Shares --  Initial
           Sales Charge Alternatives -- Class A and Class D Shares".
</TABLE>
    

   
    The  following is a discussion of the factors that investors should consider
in determining the method  of purchasing shares under  the Merrill Lynch  Select
Pricing-SM-  System  that the  investor believes  is  most beneficial  under his
particular circumstances.
    

                                       6
<PAGE>
   
    INITIAL SALES CHARGE ALTERNATIVES.   Investors who  prefer an initial  sales
charge  alternative may  elect to  purchase Class  D shares  or, if  an eligible
investor,  Class  A  shares.  Investors   choosing  the  initial  sales   charge
alternative  who are eligible to purchase Class A shares should purchase Class A
shares rather than Class D shares because of the account maintenance fee imposed
on Class D shares. Investors qualifying for significantly reduced initial  sales
charges  may find the  initial sales charge  alternative particularly attractive
because similar sales charge  reductions are not available  with respect to  the
deferred  sales charges imposed in connection with purchases of Class B or Class
C shares. Investors not qualifying for reduced initial sales charges who  expect
to  maintain their investment for  an extended period of  time also may elect to
purchase Class A or  Class D shares, because  over time the accumulated  ongoing
account  maintenance and  distribution fees  on Class  B or  Class C  shares may
exceed the initial sales charge and, in the case of Class D shares, the  account
maintenance  fee.  Although some  investors  that previously  purchased  Class A
shares  may  no  longer  be  eligible  to  purchase  Class  A  shares  of  other
MLAM-advised  mutual funds, those previously  purchased Class A shares, together
with Class B, Class C and Class D  share holdings, will count toward a right  of
accumulation which may qualify the investor for reduced initial sales charges on
new initial sales charge purchases. In addition, the ongoing Class B and Class C
account  maintenance and distribution fees will cause Class B and Class C shares
to have higher expense ratios, pay lower dividends and have lower total  returns
than  the initial sales  charge shares. The ongoing  Class D account maintenance
fees will  cause Class  D  shares to  have a  higher  expense ratio,  pay  lower
dividends and have a lower total return than Class A shares.
    

   
    DEFERRED  SALES CHARGE ALTERNATIVES.   Because no  initial sales charges are
deducted at the time of purchase, Class B and Class C shares provide the benefit
of putting all of the investor's dollars to work from the time the investment is
made. The deferred sales  charge alternatives may  be particularly appealing  to
investors  who do  not qualify  for a reduction  in initial  sales charges. Both
Class B and Class C shares are  subject to ongoing account maintenance fees  and
distribution  fees; however,  the ongoing  account maintenance  and distribution
fees potentially may  be offset  to the  extent any  return is  realized on  the
additional  funds initially invested in Class B  or Class C shares. In addition,
Class B  shares will  be converted  into  Class D  shares of  the Fund  after  a
conversion  period of approximately ten years,  and thereafter investors will be
subject to lower ongoing fees.
    

   
    Certain investors may elect to purchase Class B shares if they determine  it
to be most advantageous to have all their funds invested initially and intend to
hold  their shares for an  extended period of time.  Investors in Class B shares
should take into account whether they  intend to redeem their shares within  the
CDSC period and, if not, whether they intend to remain invested until the end of
the  conversion period  and thereby take  advantage of the  reduction in ongoing
fees resulting  from  the  conversion  into Class  D  shares.  Other  investors,
however,  may elect  to purchase  Class C  shares if  they determine  that it is
advantageous to have all their assets invested initially and they are  uncertain
as to the length of time they intend to hold their assets in MLAM-advised mutual
funds.  Although Class C shareholders are subject  to a shorter CDSC period at a
lower rate, they are subject to higher  distribution fees and forgo the Class  B
conversion  feature, making their investment  subject to account maintenance and
distribution fees for  an indefinite  period of  time. In  addition, while  both
Class  B  and  Class C  distribution  fees  are subject  to  the  limitations on
asset-based sales charges imposed by the NASD, the Class B distribution fees are
further limited  under a  voluntary  waiver of  asset-based sales  charges.  See
"Purchase of Shares -- Limitations on the Payment of Deferred Sales Charges".
    

                                       7
<PAGE>
                              FINANCIAL HIGHLIGHTS

   
    The  financial information in the table below has been audited in connection
with the annual audits  of the financial  statements of the  Fund by Deloitte  &
Touche  LLP, independent auditors. Financial statements  for the year ended July
31, 1994  and the  independent  auditors' report  thereon  are included  in  the
Statement  of Additional  Information. The following  per share  data and ratios
have been  derived  from  information  provided  in  the  financial  statements.
Financial  information is not presented for Class  C or Class D shares, since no
shares of those classes are publicly issued  as of the date of this  Prospectus.
Further information about the performance of the Fund is contained in the Fund's
most recent annual report to shareholders which may be obtained, without charge,
by  calling or  by writing the  Fund at the  telephone number or  address on the
front cover of this Prospectus.
    

   
<TABLE>
<CAPTION>
                                                                   CLASS A                                   CLASS B
                                                    --------------------------------------   ---------------------------------------
                                                                                 FOR THE                                   FOR THE
                                                                                 PERIOD                                    PERIOD
                                                          FOR THE YEAR          FEBRUARY           FOR THE YEAR           FEBRUARY
                                                         ENDED JULY 31,         28, 1992+         ENDED JULY 31,          28, 1992+
                                                    ------------------------   TO JULY 31    -------------------------   TO JULY 31
                                                       1994         1993          1992          1994          1993          1992
                                                    ----------   -----------   -----------   -----------   -----------   -----------
<S>                                                 <C>          <C>           <C>           <C>           <C>           <C>
INCREASE (DECREASE) IN NET ASSET VALUE:
PER SHARE OPERATING PERFORMANCE:
Net Asset Value, Beginning of Period..............  $11.07       $ 10.68       $ 10.00       $ 11.07       $ 10.68       $ 10.00
                                                    ----------   -----------   -----------   -----------   -----------   -----------
  Investment income -- net........................     .58           .63           .25           .53           .57           .23
  Realized and unrealized gain on investments --
    net...........................................    (.43)          .42           .68          (.43)          .42           .68
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Total from investment operations..................     .15          1.05           .93           .10           .99           .91
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Less dividends and distributions:
  Investment income -- net........................    (.58)         (.63)         (.25)         (.53)         (.57)         (.23)
  Realized gain on investments -- net.............    (.15)         (.03)           --          (.15)         (.03)           --
  In excess of realized gain on investments --
    net...........................................    (.01)           --            --          (.01)           --            --
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Total dividends and distributions.................    (.74)         (.66)         (.25)         (.69)         (.60)         (.23)
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Net Asset Value, End of Period....................  $10.48       $ 11.07       $ 10.68       $ 10.48       $ 11.07       $ 10.68
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
TOTAL INVESTMENT RETURN++:
Based on net asset value per share................    1.26%        10.08%         9.44%**       0.75%         9.53%         9.22%**
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
RATIOS TO AVERAGE NET ASSETS:
Expenses, excluding distribution fees and net of
  reimbursement...................................     .62%          .42%          .12%*         .62%          .43%          .12%*
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Expenses, net of reimbursement....................     .62%          .42%          .12%*        1.12%          .93%          .62%*
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Expenses..........................................     .85%          .95%         1.16%*        1.36%         1.45%         1.68%*
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Investment income -- net..........................    5.33%         5.75%         5.82%*        4.83%         5.24%         5.32%*
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
SUPPLEMENTAL DATA:
Net Assets, End of Period (in thousands)..........  $8,367       $ 7,093       $ 4,828       $76,436       $71,429       $38,947
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
Portfolio Turnover................................   72.13%        39.37%        18.86%        72.13%        39.37%        18.86%
                                                    ----------   -----------   -----------   -----------   -----------   -----------
                                                    ----------   -----------   -----------   -----------   -----------   -----------
<FN>
- ------------
 + Commencement of Operations.
++ Total investment returns exclude the effects of sales loads.
 * Annualized.
** Aggregate total investment return.
</TABLE>
    

                                       8
<PAGE>
                       INVESTMENT OBJECTIVE AND POLICIES

    The investment objective of the Fund is to provide shareholders with as high
a level  of income  exempt from  Federal and  Massachusetts income  taxes as  is
consistent  with prudent  investment management. The  Fund seeks  to achieve its
objective while  providing  investors  with  the  opportunity  to  invest  in  a
portfolio  of securities consisting primarily of long-term obligations issued by
or on behalf of The  Commonwealth of Massachusetts, its political  subdivisions,
agencies and instrumentalities and obligations of other qualifying issuers, such
as  issuers  located in  Puerto Rico,  the  Virgin Islands  and Guam,  which pay
interest exempt, in the opinion of bond counsel to the issuer, from Federal  and
Massachusetts  income taxes.  Obligations exempt  from Federal  income taxes are
referred to herein as "Municipal Bonds" and obligations exempt from both Federal
and Massachusetts  income  taxes are  referred  to as  "Massachusetts  Municipal
Bonds". Unless otherwise indicated, reference to Municipal Bonds shall be deemed
to  include Massachusetts Municipal Bonds. The  Fund at all times, except during
temporary defensive periods,  will maintain  at least  65% of  its total  assets
invested  in Massachusetts Municipal Bonds. The investment objective of the Fund
as set forth in the first sentence of this paragraph is a fundamental policy and
may not be changed without shareholder approval. At times, the Fund may seek  to
hedge its portfolio through the use of futures transactions to reduce volatility
in the net asset value of Fund shares.

   
    Municipal  Bonds may include  several types of bonds.  The risks and special
considerations involved in investments in Municipal Bonds vary with the types of
instruments being acquired. Investments in Non-Municipal Tax-Exempt  Securities,
as  defined  herein,  may present  similar  risks, depending  on  the particular
product. Certain instruments in which the  Fund may invest may be  characterized
as  derivative instruments. See "Description  of Municipal Bonds" and "Financial
Futures Transactions and  Options". The Fund  may also invest  in variable  rate
demand  obligations. The interest on Municipal Bonds may bear a fixed rate or be
payable at a  variable or floating  rate. At  least 80% of  the Municipal  Bonds
purchased  by  the Fund  primarily  will be  what  are commonly  referred  to as
"investment grade"  securities,  which are  obligations  rated at  the  time  of
purchase within the four highest quality ratings as determined by either Moody's
Investors  Service, Inc. ("Moody's") (currently Aaa,  Aa, A and Baa), Standard &
Poor's Ratings Group  ("Standard & Poor's")  (currently AAA, AA,  A and BBB)  or
Fitch  Investors  Service, Inc.  ("Fitch") (currently  AAA, AA,  A and  BBB). If
Municipal Bonds  are  unrated,  such securities  will  possess  creditworthiness
comparable,  in the opinion of the Manager, to obligations in which the Fund may
invest. Bonds  rated in  the fourth  highest rating  category, while  considered
"investment grade", have certain speculative characteristics and are more likely
to  be downgraded to non-investment  grade than obligations rated  in one of the
top three rating categories. See Appendix II -- "Ratings of Municipal Bonds"  in
the  Statement of Additional Information  for more information regarding ratings
of debt securities. An issue of rated Massachusetts Municipal Bonds may cease to
be rated or its rating may be reduced below "investment grade" subsequent to its
purchase by the Fund. If an obligation is downgraded below investment grade, the
Manager will consider  factors such  as price, credit  risk, market  conditions,
financial  condition of  the issuer and  interest rates to  determine whether to
continue to hold the obligation in the Fund's portfolio.
    

    The Fund may invest up  to 20% of its total  assets in Municipal Bonds  that
are  rated below Baa by Moody's  or below BBB by Standard  & Poor's or Fitch, or
which in the  Manager's judgment, possess  similar credit characteristics.  Such
securities,   sometimes  referred  to  as  "high-yield"  or  "junk"  bonds,  are
predominantly speculative with respect to the capacity to pay interest and repay
principal in accordance with the terms  of the security and generally involve  a
greater    volatility   of    price   than    securities   in    higher   rating

                                       9
<PAGE>
categories. The  market  prices  of high-yielding,  lower-rated  securities  may
fluctuate  more than  higher-rated securities  and may  decline significantly in
periods of  general economic  difficulty,  which may  follow periods  of  rising
interest  rates.  In  purchasing such  securities,  the  Fund will  rely  on the
Manager's judgment, analysis and  experience in evaluating the  creditworthiness
of  the issuer  of such  securities. The  Manager will  take into consideration,
among other  things,  the  issuer's  financial  resources,  its  sensitivity  to
economic  conditions  and  trends, its  operating  history, the  quality  of its
management and regulatory  matters. See "Investment  Objective and Policies"  in
the  Statement of Additional  Information for a more  detailed discussion of the
pertinent risk factors involved in investing in "high yield" or "junk" bonds and
Appendix II  -- "Ratings  of Municipal  Bonds" in  the Statement  of  Additional
Information for additional information regarding ratings of debt securities. The
Fund  does not intend to  purchase debt securities that  are in default or which
the Manager believes will be in default.

   
    Certain Municipal Bonds may be entitled to the benefits of letters of credit
or similar  credit  enhancements  issued  by  financial  institutions.  In  such
instances,  the Trustees and the Manager will take into account in assessing the
quality of such bonds not only the creditworthiness of the issuer of such  bonds
but also the creditworthiness of the financial institution.
    

    The  Fund's investments  may also  include variable  rate demand obligations
("VRDOs") and  VRDOs  in the  form  of participation  interests  ("Participating
VRDOs") in variable rate tax-exempt obligations held by a financial institution.
The VRDOs in which the Fund will invest are tax-exempt obligations which contain
a  floating or  variable interest rate  adjustment formula  and an unconditional
right of demand  on the part  of the holder  thereof to receive  payment of  the
unpaid  principal balance plus accrued interest on  a short notice period not to
exceed seven  days.  Participating  VRDOs  provide the  Fund  with  a  specified
undivided  interest (up to 100%)  of the underlying obligation  and the right to
demand payment of  the unpaid  principal balance  plus accrued  interest on  the
Participating  VRDOs from  the financial  institution on  a specified  number of
days' notice, not to exceed seven days. There is, however, the possibility  that
because of a default or insolvency, the demand feature of VRDOs or Participating
VRDOs may not be honored. The Fund has been advised by its counsel that the Fund
should  be  entitled to  treat  the income  received  on Participating  VRDOs as
interest from tax-exempt obligations.

   
    VRDOs that contain an  unconditional right of demand  to receive payment  of
the  unpaid principal balance plus accrued interest on a notice period exceeding
seven days may be deemed illiquid securities. A VRDO with a demand notice period
exceeding seven days  will therefore  be subject  to the  Fund's restriction  on
illiquid  investments  unless, in  the judgment  of the  Trustees, such  VRDO is
liquid. The Trustees may adopt guidelines and delegate to the Manager the  daily
function  of determining and  monitoring liquidity of  such VRDOs. The Trustees,
however, will retain sufficient oversight and be ultimately responsible for such
determinations.
    

    The Fund ordinarily does not intend to realize investment income not  exempt
from  Federal  and  Massachusetts  income taxes.  However,  to  the  extent that
suitable Massachusetts Municipal Bonds are  not available for investment by  the
Fund,  the  Fund may  purchase  Municipal Bonds  issued  by other  states, their
agencies and instrumentalities, the interest income  on which is exempt, in  the
opinion of bond counsel, from Federal, but not Massachusetts, taxation. The Fund
may also invest in securities not issued by or on behalf of a state or territory
or  by an agency  or instrumentality thereof, if  the Fund nevertheless believes
such securities  to  be  exempt from  Federal  income  taxation  ("Non-Municipal
Tax-Exempt   Securities").  Non-Municipal  Tax-Exempt   Securities  may  include
securities   issued   by   other    investment   companies   that   invest    in

                                       10
<PAGE>
municipal  bonds, to the extent such investments are permitted by the Investment
Company Act of 1940, as amended (the "1940 Act"). Other Tax-Exempt Non-Municipal
Securities could  include trust  certificates  or other  instruments  evidencing
interests in one or more long-term municipal securities.

   
    Under   normal   circumstances,  except   when  acceptable   securities  are
unavailable as determined by the Manager, the  Fund will invest at least 65%  of
its  total  assets in  Massachusetts  Municipal Bonds.  For  temporary defensive
periods or to provide liquidity, the Fund has the authority to invest as much as
35% of its total assets in tax-exempt or taxable money market obligations with a
maturity of one  year or  less (such  short-term obligations  being referred  to
herein  as "Temporary  Investments"), except that  taxable Temporary Investments
shall not exceed 20% of the Fund's net assets. The Temporary Investments,  VRDOs
and  Participating  VRDOs in  which  the Fund  may invest  also  will be  in the
following rating  categories  at  the time  of  purchase;  MIG-1/VMIG-1  through
MIG-4/VMIG-4  for notes  and VRDOs  and Prime-1  through Prime-3  for commercial
paper (as determined by Moody's), SP-1 or SP-2 for notes and A-1 through A-3 for
VRDOs and  commercial paper  (as  determined by  Standard  and Poor's),  or  F-1
through  F-3 for notes, VRDOs and for  commercial paper (as determined by Fitch)
or, if unrated, of comparable quality in the opinion of the Manager. The Fund at
all times will have at  least 80% of its net  assets invested in securities  the
interest on which is exempt from Federal taxation. However, interest received on
certain  otherwise  tax-exempt  securities  which  are  classified  as  "private
activity bonds" (in general, bonds that benefit non-governmental entities),  may
be  subject to a Federal  alternative minimum tax. The  percentage of the Fund's
net assets invested in "private activity  bonds" will vary during the year.  See
"Distributions  and Taxes". In  addition, the Fund reserves  the right to invest
temporarily a  greater  portion  of  its assets  in  Temporary  Investments  for
defensive  purposes, when,  in the  judgment of  the Manager,  market conditions
warrant. The investment  objective of the  Fund is a  fundamental policy of  the
Fund  which may not be  changed without a vote of  a majority of the outstanding
shares of the Fund. The Fund's  hedging strategies, which are described in  more
detail  under "Financial Futures Transactions  and Options", are not fundamental
policies and may be modified by the  Trustees of the Trust without the  approval
of the Fund's shareholders.
    

POTENTIAL BENEFITS

   
    Investment  in shares of  the Fund offers several  benefits. The Fund offers
investors  the  opportunity   to  receive   income  exempt   from  Federal   and
Massachusetts  income taxes by  investing in a  professionally managed portfolio
consisting primarily of long-term Massachusetts  Municipal Bonds. The Fund  also
provides  liquidity because of its redemption features and relieves the investor
of the burdensome  administrative details  involved in managing  a portfolio  of
tax-exempt  securities.  The benefits  of  investing in  the  Fund are  at least
partially offset by the  expenses involved in  operating an investment  company.
Such expenses primarily consist of the management fee and operational costs, and
in  the  case  of  certain  classes  of  shares,  the  account  maintenance  and
distribution costs.
    

SPECIAL AND RISK CONSIDERATIONS RELATING TO MASSACHUSETTS MUNICIPAL BONDS

   
    The Fund  ordinarily  will  invest at  least  65%  of its  total  assets  in
Massachusetts  Municipal Bonds, and therefore it  is more susceptible to factors
adversely affecting issuers of Massachusetts Municipal Bonds than is a municipal
bond mutual fund that is not concentrated in issuers of Massachusetts  Municipal
Bonds  to  this  degree. The  Commonwealth  of Massachusetts  is  experiencing a
moderate  economic  slowdown.  Moreover,  spending  by  the  government  of  the
Commonwealth  exceeded  revenues in  each of  the  five fiscal  years commencing
fiscal 1987. The operating losses in  fiscal 1989 and fiscal 1990 totalled  $672
million and
    

                                       11
<PAGE>
   
$1.251  billion,  respectively,  and  were  covered  primarily  through  deficit
borrowings. The Commonwealth  experienced an  operating loss in  fiscal 1991  of
$21.2  million, but because of a positive closing fund balance of $237.1 million
after applying proceeds of borrowing that  financed the fiscal 1990 deficit,  no
deficit  borrowing  was  required to  close  out  fiscal 1991.  In  fiscal 1992,
revenues exceeded spending and the Commonwealth ended fiscal 1992 with  positive
fund  balances of $549.4 million. Fiscal  1993 ended with positive fund balances
of $562.5 million. As of the date of this Prospectus, fiscal 1994 is expected to
end with an operating loss of  $162.8 million, but with positive budgetary  fund
balances  totaling approximately $399.7 million, to  be achieved through the use
of the prior  year ending fund  balances. Standard &  Poor's, Fitch and  Moody's
have upgraded their ratings of Massachusetts' general obligation bonds from BBB,
A  and  Baa, respectively,  to A+,  A+  and A,  respectively. Ratings  have been
lowered on short-term debt and some state agency obligations. From time to time,
the rating agencies may  further change their ratings  in response to  budgetary
matters  or other economic indicators. See Appendix I -- "Economic and Financial
Conditions in Massachusetts" in the Statement of Additional Information.
    

DESCRIPTION OF MUNICIPAL BONDS

    Municipal Bonds include debt obligations issued to obtain funds for  various
public  purposes, including construction and equipping of a wide range of public
facilities (including water, sewer, gas, electricity, solid waste, health  care,
transportation,  education  and  housing facilities),  refunding  of outstanding
obligations and  obtaining funds  for general  operating expenses  and loans  to
other  public  institutions  and  facilities.  In  addition,  certain  types  of
industrial development bonds are issued by or on behalf of public authorities to
finance various  privately  operated  facilities,  including  pollution  control
facilities  and certain local  facilities for water  supply, gas, electricity or
sewage  or  solid  waste  disposal.  For  purposes  of  this  Prospectus,   such
obligations  are referred to as Municipal Bonds  if the interest paid thereon is
exempt from Federal  income tax, and,  as Massachusetts Municipal  Bonds if  the
interest thereon is exempt from Federal income tax and exempt from Massachusetts
personal  income tax, even though such bonds  may be "private activity bonds" as
discussed below.

    The  two  principal   classifications  of  Municipal   Bonds  are   "general
obligation"  bonds and "revenue" bonds which latter category includes industrial
development bonds  or  private  activity bonds.  General  obligation  bonds  are
secured  by the issuer's  pledge of its  faith, credit and  taxing power for the
payment of principal and interest. The  taxing power of any governmental  entity
may  be limited, however, by  provisions of state constitutions  or laws, and an
entity's creditworthiness  will  depend  on many  factors,  including  potential
erosion  of the tax base due to population declines, natural disasters, declines
in the state's industrial base or inability to attract new industries,  economic
limits  on the ability  to tax without  eroding the tax  base, state legislative
proposals or voter initiatives to limit  ad valorem real property taxes and  the
extent  to which the  entity relies on  Federal or state  aid, access to capital
markets or other factors beyond the state or entity's control. Accordingly,  the
capacity  of the issuer of a general obligation bond as to the timely payment of
interest and the  repayment of principal  when due is  affected by the  issuer's
maintenance of its tax base.

    Revenue  bonds are payable only from  the revenues derived from a particular
facility or  class of  facilities or,  in some  cases, from  the proceeds  of  a
special  excise tax or other  specific revenue source such  as payments from the
user of the facility being financed; accordingly, the timely payment of interest
and the repayment of principal  in accordance with the  terms of the revenue  or
special  obligation  bond  is a  function  of  the economies  viability  of such
facility or such revenue  source. The Fund may  also invest in so-called  "moral

                                       12
<PAGE>
   
obligation"  bonds, which are normally issued by special purpose authorities. If
an issuer of moral obligation bonds is unable to meet its obligations, repayment
of such bonds  becomes a moral  commitment, but  not a legal  obligation of  the
issuer.  The Fund will  not invest more than  10% of its  total assets (taken at
market value at the time of  each investment) in industrial revenue bonds  where
the  entity  supplying the  revenues from  which the  issuer is  paid, including
predecessors, has  a record  of less  than three  years of  continuous  business
operations.  Investments  involving  entities  with  less  than  three  years of
continuous business operations may pose somewhat  greater risks due to the  lack
of  a substantial  operating history  for such  entities. The  Manager believes,
however, that such investments will  not adversely affect the Fund  particularly
given the Fund's limitations on such investments.
    

    The  Fund  may purchase  industrial  development bonds  ("IDBs")  or private
activity bonds. IDBs or private activity bonds are tax-exempt securities  issued
by  states,  municipalities  or  public authorities  to  provide  funds, usually
through a loan  or lease arrangement,  to a  private entity for  the purpose  of
financing  construction or improvement of  a facility to be  used by the entity.
Such bonds are  secured primarily by  revenues derived from  loan repayments  or
lease  payments due  from the  entity which may  or may  not be  guaranteed by a
parent company or otherwise secured. Neither IDBs nor private activity bonds are
secured by a pledge of the taxing power of the issuer of such bonds.  Therefore,
an investor should be aware that repayment of such bonds depends on the revenues
of  a private  entity and  be aware  of the  risks that  such an  investment may
entail. Continued ability of an entity  to generate sufficient revenues for  the
payment of principal and interest on such bonds will be affected by many factors
including  the size of the entity, capital structure, demand for its products or
services, competition, general economic conditions, governmental regulation  and
the  corporation's dependence  on revenues for  the operation  of the particular
facility being financed. The Fund may invest  more than 25% of its total  assets
in IDBs or private activity bonds.

   
    The  Fund may invest  in Municipal Bonds the  return on which  is based on a
particular index of value or interest rates. For example, the Fund may invest in
Municipal Bonds that pay interest based  on an index of Municipal Bond  interest
rates  or based  on the  value of  gold or  some other  commodity. The principal
amount payable upon maturity of certain Municipal Bonds also may be based on the
value of an index. To  the extent the Fund invests  in these types of  Municipal
Bonds,  the Fund's return on  such Municipal Bonds will  be subject to risk with
respect to the  value of  the particular  index. Also,  the Fund  may invest  in
so-called  "inverse floating obligations" or  "residual interest bonds" on which
the interest rates typically  decline as market rates  increase and increase  as
market rates decline. To the extent the Fund invests in these types of Municipal
Bonds,  the Fund's return on  such Municipal Bonds will  be subject to risk with
respect to the value of the particular index. Such securities have the effect of
providing a degree of investment leverage,  since they may increase or  decrease
in value in response to changes, as an illustration, in market interest rates at
a  rate which  is a  multiple (typically  two) of  the rate  at which fixed-rate
long-term tax  exempt  securities  increase  or decrease  in  response  to  such
changes.  As a result,  the market values  of such securities  will generally be
more volatile than  the market values  of fixed-rate tax  exempt securities.  To
seek  to limit the volatility of these securities, the Fund may purchase inverse
floating obligations with shorter term  maturities or which contain  limitations
on  the extent to  which the interest  rate may vary.  The Manager believes that
indexed  and  inverse  floating  obligations  represent  a  flexible   portfolio
management  instrument for the Fund which allows  the Manager to vary the degree
of investment leverage relatively efficiently under different market conditions.
Certain investments in such obligations may be illiquid. The Fund may not invest
in such illiquid obligations if  such investments, together with other  illiquid
investments, would exceed 15% of the Fund's net assets.
    

                                       13
<PAGE>
    Also   included  within  the   general  category  of   Municipal  Bonds  are
participation certificates  issued  by  government authorities  or  entities  to
finance  the acquisition or  construction of equipment,  land and/or facilities.
The certificates represent  participations in a  lease, an installment  purchase
contract or a conditional sales contract (hereinafter collectively called "lease
obligations")  relating to  such equipment,  land or  facilities. Although lease
obligations do not constitute  general obligations of the  issuer for which  the
issuer's  unlimited taxing  power is pledged,  a lease  obligation is frequently
backed by the issuer's covenant to budget for, appropriate and make the payments
due under  the  lease  obligation. However  certain  lease  obligations  contain
"non-appropriation"  clauses which provide that the  issuer has no obligation to
make lease or  installment purchase  payments in  future years  unless money  is
appropriated  for such purpose  on a yearly  basis. Although "non-appropriation"
lease obligations are secured by the leased property disposition of the property
in the event of foreclosure might prove difficult. These securities represent  a
relatively  new  type of  financing  that has  not  yet developed  the  depth of
marketability associated with more conventional securities. Certain  investments
in  lease obligations may be illiquid. The Fund may not invest in illiquid lease
obligations if such investments, together with other illiquid investments, would
exceed 10%  of the  Fund's net  assets. The  Fund may,  however, invest  without
regard  to such limitation  in lease obligations which  the Manager, pursuant to
guidelines which have been adopted by the  Board of Trustees and subject to  the
supervision  of the Board, determines to be  liquid. The Manager will deem lease
obligations liquid if they are publicly offered and have received an  investment
grade  rating of Baa or better by Moody's, or BBB or better by Standard & Poor's
or Fitch. Unrated lease obligations, or those rated below investment grade, will
be  considered  liquid  if  the  obligations  come  to  the  market  through  an
underwritten  public  offering and  at  least two  dealers  are willing  to give
competitive bids. In  reference to  the latter,  the Manager  must, among  other
things,  also review the creditworthiness of  the municipality obligated to make
payment under the  lease obligation  and make  certain specified  determinations
based on such factors as the existence of a rating or credit enhancement such as
insurance,  the  frequency  of  trades  or quotes  for  the  obligation  and the
willingness of dealers to make a market in the obligation.

    Federal tax  legislation has  limited  the types  and  volume of  bonds  the
interest  on which qualifies  for a Federal  income tax exemption.  As a result,
this legislation and legislation which may  be enacted in the future may  affect
the availability of Municipal Bonds for investment by the Fund.

CALL RIGHTS

    The  Fund may  purchase a  Municipal Bond  issuer's right  to call  all or a
portion of  such Municipal  Bond  for mandatory  tender  for purchase  (a  "Call
Right"). A holder of a Call Right may exercise such right to require a mandatory
tender  for  the  purchase  of  related  Municipal  Bonds,  subject  to  certain
conditions. A Call  Right that is  not exercised  prior to the  maturity of  the
related Municipal Bond will expire without value. The economic effect to holding
both  the Call Right  and the related  Municipal Bond is  identical to holding a
Municipal  Bond  as  a  non-callable  security.  Certain  investments  in   such
obligations  may  be  illiquid.  The  Fund  may  not  invest  in  such  illiquid
obligations if such investments, together with other illiquid investments, would
exceed 15% of the Fund's net assets.

WHEN-ISSUED SECURITIES AND DELAYED DELIVERY TRANSACTIONS

    The Fund may purchase or sell Municipal Bonds on a delayed delivery basis or
a when-issued  basis at  fixed  purchase terms.  These transactions  arise  when
securities  are purchased or sold  by the Fund with  payment and delivery taking
place in the future. The purchase will  be recorded on the date the Fund  enters
into the commitment and the value of the obligation will thereafter be reflected
in the calculation of the

                                       14
<PAGE>
Fund's  net asset value. The value of the obligation on the delivery date may be
more or less than  its purchase price.  A separate account of  the Fund will  be
established  with its  custodian consisting  of cash,  cash equivalents  or high
grade, liquid Municipal Bonds having a market value at all times at least  equal
to the amount of the forward commitment.

FINANCIAL FUTURES TRANSACTIONS AND OPTIONS

    The  Fund  is  authorized  to  purchase  and  sell  certain  exchange traded
financial futures  contracts  ("financial  futures contracts")  solely  for  the
purpose  of hedging its investments in Municipal Bonds against declines in value
and to hedge against increases in the cost of securities it intends to purchase.
However, any  transactions involving  financial futures  or options  will be  in
accordance  with  the Fund's  investment policies  and limitations.  A financial
futures contract obligates the seller of a contract to deliver and the purchaser
of a contract to take  delivery of the type  of financial instrument covered  by
the contract, or in the case of index-based futures contracts to make and accept
a  cash settlement, at a  specific future time for a  specified price. A sale of
financial futures contracts may provide a  hedge against a decline in the  value
of  portfolio securities because such depreciation may be offset, in whole or in
part, by an  increase in  the value  of the  position in  the financial  futures
contracts. A purchase of financial futures contracts may provide a hedge against
an  increase in the  cost of securities  intended to be  purchased, because such
appreciation may be offset, in whole or in part, by an increase in the value  of
the  position in the futures contracts.  Distributions, if any, of net long-term
capital gains from  certain transactions in  futures or options  are taxable  at
long-term capital gains rates for Federal income tax purposes, regardless of the
length  of time  the shareholder has  owned Fund shares.  See "Distributions and
Taxes -- Taxes".

    The Fund deals in financial futures contracts traded on the Chicago Board of
Trade based on The Bond Buyer Municipal Bond Index, a price-weighted measure  of
the  market value of 40 large, recently issued tax-exempt bonds. There can be no
assurance, however, that a liquid secondary  market will exist to terminate  any
particular  financial  futures  contract at  any  specific  time. If  it  is not
possible to close  a financial futures  position entered into  by the Fund,  the
Fund  would continue  to be  required to make  daily cash  payments of variation
margin in the event of adverse price movements. In such a situation, if the Fund
has insufficient cash, it  may have to sell  portfolio securities to meet  daily
variation margin requirements at a time when it may be disadvantageous to do so.
The  inability to close  financial futures positions also  could have an adverse
impact on the Fund's  ability to hedge  effectively. There is  also the risk  of
loss  by the Fund of margin deposits in the event of bankruptcy of a broker with
whom the Fund has an open position in a financial futures contract.

    The  Fund  may  purchase  and  sell  financial  futures  contracts  on  U.S.
Government  securities  and write  and  purchase put  and  call options  on such
futures contracts  as a  hedge  against adverse  changes  in interest  rates  as
described more fully in the Statement of Additional Information. With respect to
U.S.  Government  securities, currently  there  are financial  futures contracts
based on  long-term U.S.  Treasury bonds,  Treasury notes,  Government  National
Mortgage Association ("GNMA") Certificates and three-month U.S. Treasury bills.

    Subject  to policies adopted  by the Trustees,  the Fund also  may engage in
other financial  futures contracts  transactions and  options thereon,  such  as
financial futures contracts or options on other municipal

                                       15
<PAGE>
bond  indexes which  may become  available if  the Manager  of the  Fund and the
Trustees of  the Trust  should determine  that there  is normally  a  sufficient
correlation between the prices of such futures contracts and the Municipal Bonds
in which the Fund invests to make such hedging appropriate.

    Utilization of futures transactions and options thereon involves the risk of
imperfect  correlation  in  movements  in the  price  of  futures  contracts and
movements in the price of the security which is the subject of the hedge. If the
price of the futures contract moves more or less than the price of the  security
that  is the subject of the hedge, the Fund will experience a gain or loss which
will not be completely offset by movements in the price of such security.  There
is  a  risk of  imperfect correlation  where  the securities  underlying futures
contracts have  different  maturities,  ratings or  geographic  mixes  than  the
security being hedged. In addition, the correlation may be affected by additions
to  or deletions from the index which serves  as a basis for a financial futures
contract.  Finally,  in  the  case  of  futures  contracts  on  U.S.  Government
securities and options on such futures contracts, the anticipated correlation of
price movements between the U.S. Government securities underlying the futures or
options  and Municipal Bonds  may be adversely  affected by economic, political,
legislative  or  other  developments  which  have  a  disparate  impact  on  the
respective markets for such securities.

    Under  regulations of the Commodity Futures Trading Commission ("CFTC"), the
futures trading activities described  herein will not result  in the Fund  being
deemed  to be  a "commodity pool",  as defined under  such regulations, provided
that the  Fund adheres  to certain  restrictions. In  particular, the  Fund  may
purchase  and  sell futures  contracts  and options  thereon  (i) for  bona fide
hedging purposes, and (ii)  for non-hedging purposes,  if the aggregate  initial
margins  and  premiums required  to establish  positions  in such  contracts and
options does not  exceed 5%  of the liquidation  value of  the Fund's  portfolio
assets after taking into account unrealized profits and unrealized losses on any
such  contracts  and options.  (However, as  stated above,  the Fund  intends to
engage in options and  futures transactions only  for hedging purposes.)  Margin
deposits  may consist  of cash  or securities acceptable  to the  broker and the
relevant contract market.

    When the  Fund purchases  a futures  contract,  or writes  a put  option  or
purchases  a  call option  thereon, it  will  maintain an  amount of  cash, cash
equivalents (e.g.,  high  grade commercial  paper  and daily  tender  adjustable
notes)  or  short-term,  high-grade,  fixed-income  securities  in  a segregated
account with the  Fund's custodian, so  that the amount  so segregated plus  the
amount  of initial and variation margin held in the account of its broker equals
the market value of the futures contracts, thereby ensuring that the use of such
futures contract  is unleveraged.  It is  not anticipated  that transactions  in
futures contracts will have the effect of increasing portfolio turnover.

    Although certain risks are involved in options and futures transactions, the
Manager believes that, because the Fund will engage in futures transactions only
for  hedging purposes,  the futures  portfolio strategies  of the  Fund will not
subject the  Fund to  certain risks  frequently associated  with speculation  in
futures transactions. The Fund must meet certain Federal income tax requirements
under  the Internal Revenue Code  of 1986, as amended  (the "Code"), in order to
qualify for the special tax  treatment afforded regulated investment  companies,
including  a requirement that less than 30%  of its gross income be derived from
the sale or  other disposition of  securities held for  less than three  months.
Additionally,  the Fund is required to meet certain diversification requirements
under the Code.

    The liquidity of a secondary market  in a futures contract may be  adversely
affected  by "daily price fluctuation limits" established by commodity exchanges
which limit the amount of fluctuation in a futures

                                       16
<PAGE>
contract price  during a  single trading  day.  Once the  daily limit  has  been
reached  in the contract,  no trades may be  entered into at  a price beyond the
limit, thus preventing the liquidation of open futures positions. Prices have in
the past moved beyond the daily limit on a number of consecutive trading days.

    The successful use of transactions in futures also depends on the ability of
the Manager to  forecast correctly  the direction  and extent  of interest  rate
movements  within a given  time frame. To  the extent these  rates remain stable
during the period in which a futures contract is held by the Fund or moves in  a
direction  opposite to  that anticipated,  the Fund  may realize  a loss  on the
hedging transaction which is not fully or partially offset by an increase in the
value of portfolio  securities. As a  result, the Fund's  total return for  such
period  may  be less  than if  it had  not engaged  in the  hedging transaction.
Furthermore, the Fund will only engage in hedging transactions from time to time
and may not necessarily  be engaging in hedging  transactions when movements  in
interest rates occur.

    Reference  is made  to the Statement  of Additional  Information for further
information on financial futures contracts and certain options thereon.

   
REPURCHASE AGREEMENTS
    

   
    As Temporary  Investments, the  Fund may  invest in  securities pursuant  to
repurchase  agreements. Repurchase  agreements may be  entered into  only with a
member bank of the Federal Reserve System or a primary dealer in U.S. Government
securities or an affiliate  thereof. Under such  agreements, the seller  agrees,
upon  entering into the contract, to repurchase  the security from the Fund at a
mutually agreed upon time  and price, thereby determining  the yield during  the
term  of the agreement.  This results in  a fixed rate  of return insulated from
market fluctuations during such  period. The Fund may  not invest in  repurchase
agreements  maturing in more than seven  days if such investments, together with
the Fund's  other illiquid  investments,  would exceed  10%  of the  Fund's  net
assets.  In the event of  a default by the  seller under a repurchase agreement,
the Fund may suffer time delays and incur costs or possible losses in connection
with the disposition of the underlying securities.
    

INVESTMENT RESTRICTIONS

    The Fund has adopted a number  of restrictions and policies relating to  the
investment  of  the  Fund's assets  and  its activities,  which  are fundamental
policies of the Fund and may not be changed without the approval of the  holders
of  a majority of  the Fund's outstanding  voting securities, as  defined in the
1940 Act.  Among  the more  significant  restrictions,  the Fund  may  not:  (i)
purchase  any  securities other  than securities  referred to  under "Investment
Objective and Policies"  herein; (ii)  purchase securities  of other  investment
companies,  except in  connection with  certain specified  transactions and with
respect to investments of up to 10% of the Fund's total assets in securities  of
closed-end  investment companies; (iii)  borrow amounts in excess  of 20% of its
total assets taken  at market value  (including the amount  borrowed), and  then
only  from banks as a temporary  measure for extraordinary or emergency purposes
[The Fund will not purchase  securities while borrowings are outstanding];  (iv)
mortgage,  pledge,  hypothecate  or  in  any  manner  transfer  as  security for
indebtedness any securities owned or held by the Fund except in connection  with
certain specified transactions; (v) invest in securities which cannot be readily
resold  because of  legal or contractual  restrictions or which  are not readily
marketable, including  individually negotiated  loans that  constitute  illiquid
investments  and illiquid  lease obligations,  and in  repurchase agreements and
purchase and sale contracts maturing in more than seven days, if, regarding  all
such securities taken together, more than 10% of its net assets (taken at market
value  at the  time of  each investment) would  be invested  in such securities;

                                       17
<PAGE>
(vi) invest more than 10% of its total assets (taken at market value at the time
of each investment) in industrial revenue  bonds where the entity supplying  the
revenues  from  which  the  issue  is  to be  paid,  and  the  guarantor  of the
obligation, including predecessors, each have a record of less than three years'
continuous business  operation; and  (vii) invest  more than  25% of  its  total
assets  (taken at market value at the  time of each investment) in securities of
issuers  in  any  particular  industry  (other  than  United  States  Government
securities  or Government  agency securities, Municipal  Bonds and Non-Municipal
Tax-Exempt Securities).

    The Fund is  classified as non-diversified  within the meaning  of the  1940
Act,  which means that the Fund is not limited by the 1940 Act in the proportion
of its assets that it may invest in obligations of a single issuer. However, the
Fund's investments will be limited so  as to qualify as a "regulated  investment
company"  for  purposes  of  the  Code. See  "Taxes".  To  qualify,  among other
requirements, the Trust will limit the Fund's investments so that, at the  close
of  each quarter of the taxable year, (i)  not more than 25% of the market value
of the  Fund's total  assets will  be invested  in the  securities of  a  single
issuer,  and (ii) with respect  to 50% of the market  value of its total assets,
not more than 5% of the market value of its total assets will be invested in the
securities of a single  issuer and the Fund  will not own more  than 10% of  the
outstanding  voting  securities  of  a  single  issuer.  [For  purposes  of this
restriction, the Fund  will regard  each state and  each political  subdivision,
agency  or instrumentality  of such state  and each multi-state  agency of which
such state is  a member  and each public  authority which  issues securities  on
behalf  of a private entity as a separate issuer, except that if the security is
backed only  by the  assets and  revenues of  a non-government  entity then  the
entity  with  the  ultimate  responsibility  for  the  payment  of  interest and
principal may be regarded as the sole issuer.] These tax-related limitations may
be changed by the Trustees of the  Trust to the extent necessary to comply  with
changes to the Federal tax requirements. A fund which elects to be classified as
"diversified"  under  the  1940  Act  must  satisfy  the  foregoing  5%  and 10%
requirements with respect to  75% of its  total assets. To  the extent that  the
Fund  assumes large positions in  the obligations of a  small number of issuers,
the Fund's  total return  may  fluctuate to  a greater  extent  than that  of  a
diversified  company as a result of changes in the financial condition or in the
market's assessment of the issuers.

   
    The Board of Trustees  of the Trust,  at a meeting held  on August 3,  1994,
approved  certain  changes  to the  fundamental  and  non-fundamental investment
restrictions of the  Fund. These changes  were proposed in  connection with  the
creation  of  a  set  of  standard  fundamental  and  non-fundamental investment
restrictions that would be adopted, subject  to shareholder approval, by all  of
the  non-money market mutual funds advised by  MLAM or the Manager. The proposed
uniform investment restrictions  are designed  to provide each  of these  funds,
including  the Fund, with  as much investment flexibility  as possible under the
1940 Act and applicable state  securities regulations, help promote  operational
efficiencies  and facilitate monitoring of compliance. The investment objectives
and policies of  the Fund will  be unaffected  by the adoption  of the  proposed
investment restrictions.
    

   
    The  full text  of the proposed  investment restrictions is  set forth under
"Investment Restrictions  -- Proposed  Uniform Investment  Restrictions" in  the
Statement  of  Additional Information.  Shareholders of  the Fund  are currently
considering whether to approve the proposed revised investment restrictions.  If
such   shareholder  approval   is  obtained,   the  Fund's   current  investment
restrictions will  be replaced  by  the proposed  restrictions, and  the  Fund's
Prospectus  and  Statement of  Additional  Information will  be  supplemented to
reflect such change.
    

    Investors are  referred to  the Statement  of Additional  Information for  a
complete description of the Fund's investment restrictions.

                                       18
<PAGE>
                            MANAGEMENT OF THE TRUST

TRUSTEES

    The  Trustees of the Trust consist of  six individuals, five of whom are not
"interested persons" of the Trust as defined  in the 1940 Act. The Trustees  are
responsible  for the overall supervision of the  operations of the Trust and the
Fund and perform  the various  duties imposed on  the directors  or trustees  of
investment companies by the 1940 Act.

    The Trustees are:

   
    ARTHUR  ZEIKEL* -- President and Chief Investment Officer of the Manager and
MLAM; President  and  Director  of  Princeton  Services,  Inc.;  Executive  Vice
President of ML & Co., and of Merrill Lynch; Director of the Distributor.
    

    KENNETH  S. AXELSON  -- Former Executive  Vice President  and Director, J.C.
Penney Company, Inc.

   
    HERBERT I.  LONDON  --  John  M. Olin  Professor  of  Humanities,  New  York
University.
    

   
    ROBERT  R. MARTIN  -- Chairman,  WTC Industries,  Inc. and  former Chairman,
Kinnard Investments, Inc.
    

    JOSEPH L. MAY -- Attorney in private practice.

   
    ANDRE F. PEROLD -- Professor, Harvard Business School.
    
- ---------
* Interested person, as defined in the 1940 Act, of the Trust.

MANAGEMENT AND ADVISORY ARRANGEMENTS

   
    The Manager, which is owned and controlled by ML & Co., a financial services
holding company, acts as  the manager for  the Fund and  provides the Fund  with
management services. The Manager or MLAM acts as the investment adviser for more
than  100  other registered  investment  companies. MLAM  also  offers portfolio
management and portfolio analysis services  to individuals and institutions.  As
of  August 31, 1994,  the Manager and  MLAM had a  total of approximately $165.7
billion in  investment  company and  other  portfolio assets  under  management,
including accounts of certain affiliates of the Manager.
    

    Subject to the direction of the Trustees, the Manager is responsible for the
actual  management of  the Fund's  portfolio and  constantly reviews  the Fund's
holdings in light  of its  own research analysis  and that  from other  relevant
sources.  The  responsibility  for  making  decisions to  buy,  sell  or  hold a
particular security rests with the Manager. The Manager performs certain of  the
other  administrative services  and provides  all the  office space, facilities,
equipment and necessary personnel for management of the Fund.

    Vincent R. Giordano and Kenneth A. Jacob are the Portfolio Managers for  the
Fund.  Vincent R. Giordano has been a  Portfolio Manager of the Manager and MLAM
since 1977 and  a Senior  Vice President  of the  Manager and  MLAM since  1984.
Kenneth A. Jacob has been a Vice President of the Manager and MLAM since 1984.

    Pursuant  to the management  agreement between the Manager  and the Trust on
behalf of the  Fund (the  "Management Agreement"),  the Manager  is entitled  to
receive  from the Fund a monthly fee based  upon the average daily net assets of
the Fund at the following  annual rates: 0.55% of  the average daily net  assets
not

                                       19
<PAGE>
   
exceeding  $500 million; 0.525%  of the average daily  net assets exceeding $500
million but  not exceeding  $1.0 billion;  and 0.50%  of the  average daily  net
assets  exceeding $1.0 billion. For the year  ended July 31, 1994, the total fee
paid by the Fund  to the Manager  was $465,743 (based on  average net assets  of
approximately $84.9 million) of which $199,488 was voluntarily waived.
    

   
    The Management Agreement obligates the Fund to pay certain expenses incurred
in  the Fund's  operations, including, among  other things,  the management fee,
legal and audit  fees, unaffiliated  Trustees' fees  and expenses,  registration
fees,  custodian and  transfer agency  fees, accounting  and pricing  costs, and
certain of the costs of printing proxies, shareholder reports, prospectuses  and
statements  of additional information.  Accounting services are  provided to the
Fund by  the Manager,  and the  Fund reimburses  the Manager  for its  costs  in
connection  with  such services.  For the  year  ended July  31, 1994,  the Fund
reimbursed the Manager  $36,930 for  accounting services. For  that period,  the
annualized  ratio  of total  expenses, excluding  distribution  fees and  net of
reimbursement, to average net assets was 0.62% for Class A shares and 0.62%  for
Class B shares.
    

TRANSFER AGENCY SERVICES

   
    Financial   Data  Services,  Inc.   (the  "Transfer  Agent"),   which  is  a
wholly-owned subsidiary of ML & Co., acts as the Trust's transfer agent pursuant
to a  transfer  agency, dividend  disbursing  agency and  shareholder  servicing
agency  agreement (the  "Transfer Agency  Agreement"). Pursuant  to the Transfer
Agency Agreement, the Transfer Agent  is responsible for the issuance,  transfer
and  redemption  of  shares  and  the  opening  and  maintenance  of shareholder
accounts. Pursuant to the Transfer Agency Agreement, the Fund pays the  Transfer
Agent  an annual fee of  $11.00 per Class A and  Class D shareholder account and
$14.00 per Class B and  Class C shareholder account,  and the Transfer Agent  is
entitled  to reimbursement from the Fund  for out-of-pocket expenses incurred by
the Transfer Agent under the Transfer Agency Agreement. For the year ended  July
31,  1994, the Fund paid  the Transfer Agent a total  fee of $41,161 pursuant to
the Transfer Agency Agreement for providing transfer agency services.
    

                               PURCHASE OF SHARES

   
    The Distributor, an affiliate of both the Manager and Merrill Lynch, acts as
the distributor  of the  shares of  the Fund.  Shares of  the Fund  are  offered
continuously  for sale by the Distributor  and other eligible securities dealers
(including Merrill Lynch). Shares of the  Fund may be purchased from  securities
dealers  or by  mailing a  purchase order  directly to  the Transfer  Agent. The
minimum initial purchase is $1,000 and the minimum subsequent purchase is $50.
    

   
    The Fund offers its shares in four classes at a public offering price  equal
to  the next  determined net  asset value per  share plus  sales charges imposed
either at the time of purchase or  on a deferred basis depending upon the  class
of  shares  selected by  the  investor under  the  Merrill Lynch  Select Pricing
System, as described below. The applicable offering price for purchase orders is
based upon the net asset value of the Fund next determined after receipt of  the
purchase orders by the Distributor. As to purchase orders received by securities
dealers  prior to 4:15 P.M., New York time, which includes orders received after
the determination  of  net asset  value  on  the previous  day,  the  applicable
offering  price will be based on  the net asset value as  of 4:15 P.M., New York
time, on the day the orders are placed with the Distributor, provided the orders
are received by the Distributor prior to 4:30 P.M., New York time, on that  day.
If  the purchase orders are not received  by the Distributor prior to 4:30 P.M.,
New   York   time,   such   orders    shall   be   deemed   received   on    the
    

                                       20
<PAGE>
   
next  business  day. The  Trust or  the Distributor  may suspend  the continuous
offering of the Fund's shares of any class at any time in response to conditions
in the securities markets or otherwise  and may thereafter resume such  offering
from  time to time. Any  order may be rejected by  the Distributor or the Trust.
Neither the Distributor nor the dealers are permitted to withhold placing orders
to benefit themselves by a price change. Merrill Lynch may charge its  customers
a  processing  fee  (presently  $4.85)  to confirm  a  sale  of  shares  to such
customers. Purchases directly through the Fund's Transfer Agent are not  subject
to the processing fee.
    

   
    The  Fund  issues four  classes  of shares  under  the Merrill  Lynch Select
Pricing-SM- System,  which  permits  each  investor  to  choose  the  method  of
purchasing shares that the investor believes is most beneficial given the amount
of  the purchase, the length of time the investor expects to hold the shares and
other relevant  circumstances.  Shares  of Class  A  and  Class D  are  sold  to
investors  choosing the initial sales charge  alternatives and shares of Class B
and  Class  C  are  sold  to  investors  choosing  the  deferred  sales   charge
alternatives.   Investors  should  determine   whether  under  their  particular
circumstances it is  more advantageous to  incur an initial  sales charge or  to
have  the entire initial purchase price invested in the Fund with the investment
thereafter being subject to a CDSC  and ongoing distribution fees. A  discussion
of  the  factors that  investors should  consider in  determining the  method of
purchasing shares under  the Merrill Lynch  Select Pricing System  is set  forth
under "Merrill Lynch Select Pricing-SM- System" on page 4.
    

   
    Each  Class A,  Class B, Class  C and Class  D share of  the Fund represents
identical interests in  the investment portfolio  of the Fund  and has the  same
rights, except that Class B, Class C and Class D shares bear the expenses of the
ongoing  account  maintenance fees,  and Class  B  and Class  C shares  bear the
expenses of  the  ongoing  distribution  fees  and  the  additional  incremental
transfer agency costs resulting from the deferred sales charge arrangements. The
deferred  sales charges and account maintenance fees that are imposed on Class B
and Class C shares, as well as the account maintenance fees that are imposed  on
Class  D shares, will be imposed directly  against those classes and not against
all assets of the Fund  and, accordingly, such charges  will not affect the  net
asset  value of any other class or have any impact on investors choosing another
sales charge option. Dividends paid by the Fund for each class of shares will be
calculated in the  same manner  at the  same time and  will differ  only to  the
extent  that  account  maintenance  and distribution  fees  and  any incremental
transfer agency costs relating  to a particular class  are borne exclusively  by
that  class. Class  B, Class  C and  Class D  shares each  have exclusive voting
rights with respect to the Rule 12b-1 distribution plan adopted with respect  to
such  class pursuant to  which account maintenance  and/or distribution fees are
paid.  See  "Distribution  Plans"  below.  Each  class  has  different  exchange
privileges. See "Shareholder Services -- Exchange Privilege".
    

   
    Investors  should understand  that the purpose  and function  of the initial
sales charges with respect to Class A and  Class D shares are the same as  those
of the deferred sales charges with respect to Class B and Class C shares in that
the  sales charges  applicable to  each class provide  for the  financing of the
distribution of the shares of  the Fund. The distribution-related revenues  paid
with  respect  to  a  class  will  not  be  used  to  finance  the  distribution
expenditures  of   another  class.   Sales  personnel   may  receive   different
compensation for selling different classes of shares. Investors are advised that
only Class A and Class D shares may be available for purchase through securities
dealers, other than Merrill Lynch, which are eligible to sell shares.
    

                                       21
<PAGE>
   
    The  following table sets  forth a summary  of the distribution arrangements
for each class of shares under the Merrill Lynch Select Pricing-SM- System.
    

   
<TABLE>
<CAPTION>
                                                  ACCOUNT
                                                MAINTENANCE   DISTRIBUTION
CLASS             SALES CHARGE(1)                   FEE           FEE                 CONVERSION FEATURE
<C>   <S>                                       <C>           <C>          <C>
  A   Maximum 4.0% initial sales charge(2)(3)       No             No      No
  B   CDSC for a period of 4 years, at a rate      0.25%         0.25%     B shares convert to D shares
        of 4.0% during the first year,                                       automatically after
        decreasing 1.0% annually to 0.0%                                     approximately ten years(4)
  C   1.0% CDSC for one year                       0.25%         0.35%     No
  D   Maximum 4.0% initial sales charge(3)         0.10%           No      No
<FN>
(1)  Initial sales charges are imposed at  the time of purchase as a  percentage
     of the offering price. CDSCs may be imposed if the redemption occurs within
     the  applicable CDSC time period. The charge  will be assessed on an amount
     equal to the lesser of the proceeds of redemption or the cost of the shares
     being redeemed.
(2)  Offered only to eligible investors. See "Initial Sales Charge  Alternatives
     -- Class A and Class D Shares -- Eligible Class A Investors".
(3)  Reduced  for  purchases of  $25,000  or more.  Class  A and  Class  D share
     purchases of $1,000,000  or more  may not be  subject to  an initial  sales
     charge but instead will be subject to a 1.0% CDSC for one year.
(4)  The  conversion period for dividend  reinvestment shares is modified. Also,
     Class B  shares  of certain  other  MLAM-advised mutual  funds  into  which
     exchanges  may be  made have  an eight year  conversion period.  If Class B
     shares of the Fund are exchanged for Class B shares of another MLAM-advised
     mutual fund,  the  conversion  period  applicable to  the  Class  B  shares
     acquired  in the exchange will apply, and the holding period for the shares
     exchanged will be tacked on to the holding period for the shares acquired.
</TABLE>
    

   
INITIAL SALES CHARGE ALTERNATIVES--CLASS A AND CLASS D SHARES
    
   
    INVESTORS CHOOSING THE INITIAL SALES CHARGE ALTERNATIVES WHO ARE ELIGIBLE TO
PURCHASE CLASS  A SHARES  SHOULD PURCHASE  CLASS A  RATHER THAN  CLASS D  SHARES
BECAUSE THERE IS AN ACCOUNT MAINTENANCE FEE IMPOSED ON CLASS D SHARES.
    

   
    The  public offering  price of  Class A  and Class  D shares  for purchasers
choosing the initial sales charge alternative  is the next determined net  asset
value plus varying sales charges (i.e., sales loads), as set forth below.
    

   
<TABLE>
<CAPTION>
                                                              SALES CHARGE     SALES CHARGE     DISCOUNT TO SELECTED
                                                              AS PERCENTAGE   AS PERCENTAGE*         DEALERS AS
                                                               OF OFFERING      OF THE NET       PERCENTAGE OF THE
AMOUNT OF PURCHASE                                                PRICE       AMOUNT INVESTED      OFFERING PRICE
- ------------------------------------------------------------  -------------   ---------------   --------------------
<S>                                                           <C>             <C>               <C>
Less than $25,000...........................................         4.00%            4.17%               3.75%
$25,000 but less than $50,000...............................         3.75             3.90                3.50
$50,000 but less than $100,000..............................         3.25             3.36                3.00
$100,000 but less than $250,000.............................         2.50             2.56                2.25
$250,000 but less than $1,000,000...........................         1.50             1.52                1.25
$1,000,000 and over**.......................................         0.00             0.00                0.00
<FN>
- ----------
 * Rounded to the nearest one-hundredth percent.
**  Class A and Class D purchases of $1,000,000 or more made on or after October
   21, 1994, will be subject to a CDSC  of 1% if the shares are redeemed  within
   one year after purchase. Class A purchases made prior to October 21, 1994 may
   be  subject to a CDSC if the shares  are redeemed within one year of purchase
   at  the  following  annual  rates:  0.75%  on  purchases  of  $1,000,000   to
   $2,500,000;  0.40%  on  purchases  of  $2,500,001  to  $3,500,000;  0.25%  on
   purchases of $3,500,001 to  $5,000,000; and 0.20% on  purchases of more  than
   $5,000,000  in lieu  of paying  an initial sales  charge. The  charge will be
   assessed on an amount equal to the  lesser of the proceeds of the  redemption
   or the cost of the shares being redeemed.
</TABLE>
    

                                       22
<PAGE>
   
    The  Distributor may  reallow discounts to  selected dealers  and retain the
balance over such  discounts. At times  the Distributor may  reallow the  entire
sales charge to such dealers. Since securities dealers selling Class A and Class
D  shares of  the Fund  will receive  a concession  equal to  most of  the sales
charge, they may be deemed to be underwriters under the Securities Act of  1933,
as amended. For the fiscal year ended July 31, 1994, the Fund sold 307,747 Class
A  shares for aggregate net proceeds of  $3,438,464. The gross sales charges for
the sale of Class  A shares of the  Fund for the period  were $39,200, of  which
$4,115  and  $35,085  were  received  by  the  Distributor  and  Merrill  Lynch,
respectively. For the fiscal year ended July 31, 1994, the Distributor  received
no  CDSCs with respect to  redemption within one year  after purchase of Class A
shares purchased subject to a front-end sales charge waiver.
    

   
    ELIGIBLE CLASS A INVESTORS.  Class A  shares are offered to a limited  group
of  investors  and  also  will  be  issued  upon  reinvestment  of  dividends on
outstanding Class A  shares. Investors that  currently own Class  A shares in  a
shareholder  account are entitled to purchase  additional Class A shares in that
account. Class A shares are available  at net asset value to corporate  warranty
insurance reserve fund programs provided that the program has $3 million or more
initially invested in MLAM-advised mutual funds. Also eligible to purchase Class
A  shares at  net asset  value are  participants in  certain investment programs
including TMA-SM- Managed Trusts to  which Merrill Lynch Trust Company  provides
discretionary trustee services and certain purchases made in connection with the
Merrill  Lynch Mutual Fund Adviser program. In  addition, Class A shares will be
offered at net asset value to ML & Co., and its subsidiaries and their directors
and employees and to members of the Boards of MLAM-advised investment companies,
including the Fund. Certain persons who acquired shares of certain  MLAM-advised
closed-end  funds who  wish to reinvest  the net  proceeds from a  sale of their
closed-end fund shares of common stock in  shares of the Fund also may  purchase
Class  A shares of the Fund if certain  conditions set forth in the Statement of
Additional Information are  met. For  example, Class A  shares of  the Fund  and
certain  other  MLAM-advised mutual  funds  are offered  at  net asset  value to
shareholders of  Merrill Lynch  Senior  Floating Rate  Fund,  Inc. who  wish  to
reinvest the net proceeds from a sale of certain of their shares of common stock
of Merrill Lynch Senior Floating Rate Fund, Inc. in shares of such funds.
    

   
    REDUCED  INITIAL SALES CHARGES.   No initial sales  charges are imposed upon
Class A and Class D shares issued  as a result of the automatic reinvestment  of
dividends or capital gains distributions. Class A and Class D sales charges also
may be reduced under a Right of Accumulation and a Letter of Intention.
    

   
    Class  A shares are offered  at net asset value  to certain eligible Class A
investors as set forth above under "Eligible Class A Investors".
    

   
    Class D shares are  offered at net  asset value without  sales charge to  an
investor  who  has  a  business  relationship  with  a  Merrill  Lynch financial
consultant, if  certain conditions  set  forth in  the Statement  of  Additional
Information  are  met. Class  D  shares may  be offered  at  net asset  value in
connection with the acquisition of assets of other investment companies.
    

   
    Additional information concerning these reduced initial sales charges is set
forth in the Statement of Additional Information.
    

                                       23
<PAGE>
   
DEFERRED SALES CHARGE ALTERNATIVES--CLASS B AND CLASS C SHARES
    
   
    INVESTORS CHOOSING THE  DEFERRED SALES CHARGE  ALTERNATIVES SHOULD  CONSIDER
CLASS  B SHARES IF  THEY INTEND TO HOLD  THEIR SHARES FOR  AN EXTENDED PERIOD OF
TIME AND CLASS  C SHARES IF  THEY ARE UNCERTAIN  AS TO THE  LENGTH OF TIME  THEY
INTEND TO HOLD THEIR ASSETS IN MLAM-ADVISED MUTUAL FUNDS.
    

   
    The  public  offering price  of Class  B  and Class  C shares  for investors
choosing the deferred sales charge alternatives is the next determined net asset
value per  share  without the  imposition  of a  sales  charge at  the  time  of
purchase.  As discussed below, Class  B shares are subject  to a four year CDSC,
while Class C  shares are subject  only to a  one year 1.0%  CDSC. On the  other
hand,  approximately ten  years after  Class B shares  are issued,  such Class B
shares, together with shares issued  upon dividend reinvestment with respect  to
those  shares, are automatically converted  into Class D shares  of the Fund and
thereafter will be subject to lower continuing fees. See "Conversion of Class  B
Shares  to Class D Shares" below. Both Class B and Class C shares are subject to
an account maintenance  fee of 0.25%  of net  assets and a  distribution fee  of
0.25%   and  0.35%,  respectively,  of  net  assets  as  discussed  below  under
"Distribution Plans". The proceeds from the account maintenance fees are used to
compensate  Merrill   Lynch  for   providing  continuing   account   maintenance
activities.
    

   
    Class  B and Class C shares are sold without an initial sales charge so that
the Fund  will receive  the  full amount  of  the investor's  purchase  payment.
Merrill  Lynch compensates  its financial  consultants for  selling Class  B and
Class C shares at  the time of  purchase from its  own funds. See  "Distribution
Plans" below.
    

   
    Proceeds  from  the  CDSCs  and  the  distribution  fees  are  paid  to  the
Distributor and are used in  whole or in part by  the Distributor to defray  the
expenses   of   dealers   (including  Merrill   Lynch)   related   to  providing
distribution-related services to  the Fund in  connection with the  sale of  the
Class  B and Class  C shares, such  as the payment  of compensation to financial
consultants for selling Class B and Class C shares from the dealer's own  funds.
The  combination of  the CDSC and  the ongoing distribution  fee facilitates the
ability of the  Fund to  sell the Class  B and  Class C shares  without a  sales
charge  being deducted  at the time  of purchase. Approximately  ten years after
issuance, Class B shares will convert  automatically into Class D shares of  the
Fund,  which are subject to a lower  account maintenance fee and no distribution
fee; Class  B shares  of  certain other  MLAM-advised  mutual funds  into  which
exchanges   may  be  made  convert  into  Class  D  shares  automatically  after
approximately eight years. If Class B shares of the Fund are exchanged for Class
B shares of another MLAM-advised  mutual fund, the conversion period  applicable
to  the Class  B shares  acquired in  the exchange  will apply,  and the holding
period for the shares exchanged will be tacked on to the holding period for  the
shares acquired.
    

   
    Imposition  of the  CDSC and  the distribution  fee on  Class B  and Class C
shares is limited by the NASD asset-based sales charge rule. See "Limitations on
the Payment of  Deferred Sales  Charges" below.  The proceeds  from the  ongoing
account  maintenance  fee are  used to  compensate  Merrill Lynch  for providing
continuing account  maintenance activities.  Class B  shareholders of  the  fund
exercising  the  exchange  privilege described  under  "Shareholder  Services --
Exchange Privilege" will continue to be  subject to the Fund's CDSC schedule  if
such  schedule is higher than  the CDSC schedule relating  to the Class B shares
acquired as a result of the exchange.
    

   
    CONTINGENT DEFERRED SALES CHARGES--CLASS B SHARES.  Class B shares which are
redeemed within four years of purchase may be subject to a CDSC at the rates set
forth below charged as  a percentage of the  dollar amount subject thereto.  The
charge  will be  assessed on an  amount equal to  the lesser of  the proceeds of
    

                                       24
<PAGE>
   
redemption or  the cost  of the  shares being  redeemed. Accordingly,  no  sales
charge  will  be imposed  on  increases in  net  asset value  above  the initial
purchase price. In addition, no charge  will be assessed on shares derived  from
reinvestment of dividends or capital gains distributions.
    

   
    The following table sets forth the rates of the Class B CDSC:
    

   
<TABLE>
<CAPTION>
                                                                              CDSC AS A
                                                                            PERCENTAGE OF
                                                                            DOLLAR AMOUNT
                                                                             SUBJECT TO
YEAR SINCE PURCHASE PAYMENT MADE                                               CHANGE
- --------------------------------------------------------------------------  -------------
<S>                                                                         <C>
0-1.......................................................................      4.0%
1-2.......................................................................      3.0%
2-3.......................................................................      2.0%
3-4.......................................................................      1.0%
4 and thereafter..........................................................      0.0%
</TABLE>
    

   
For  the fiscal  year ended  July 31,  1994, the  Distributor received  CDSCs of
$258,962 with respect to redemptions of Class  B shares, all of which were  paid
to Merrill Lynch.
    

   
    In determining whether a CDSC is applicable to a redemption, the calculation
will  be determined  in the  manner that results  in the  lowest applicable rate
being charged. Therefore,  it will be  assumed that the  redemption is first  of
shares  held for over four years or  shares acquired pursuant to reinvestment of
dividends or distributions and then of shares held longest during the  four-year
period.  The  charge  will not  be  applied  to dollar  amounts  representing an
increase in the net asset value since the time of purchase. A transfer of shares
from a shareholder's account to  another account will be  assumed to be made  in
the same order as a redemption.
    

   
    To  provide an example, assume  an investor purchased 100  shares at $10 per
share (at a cost of $1,000) and in the third year after purchase, the net  asset
value  per share  is $12  and, during  such time,  the investor  has acquired 10
additional shares upon dividend reinvestment. If at such time the investor makes
his first redemption  of 50 shares  (proceeds of  $600), 10 shares  will not  be
subject  to  charge  because  of  dividend  reinvestment.  With  respect  to the
remaining 40 shares, the charge is applied only to the original cost of $10  per
share  and not to  the increase in net  asset value of  $2 per share. Therefore,
$400 of the  $600 redemption proceeds  will be charged  at a rate  of 2.0%  (the
applicable rates in the third year after purchase).
    

   
    The  Class B CDSC is waived on  redemptions of shares following the death or
disability (as defined in the  Internal Revenue Code of  1986, as amended) of  a
shareholder. Additional information concerning the waiver of the Class B CDSC is
set forth in the Statement of Additional Information.
    

   
    CONTINGENT DEFERRED SALES CHARGES--CLASS C SHARES.  Class C shares which are
redeemed  within one year of purchase may be subject to a 1.0% CDSC charged as a
percentage of the dollar amount subject thereto. The charge will be assessed  on
an  amount equal to the lesser of the  proceeds of redemption or the cost of the
shares being redeemed. Accordingly, no Class C CDSC will be imposed on increases
in net asset value  above the initial  purchase price. In  addition, no Class  C
CDSC  will  be assessed  on  shares derived  from  reinvestment of  dividends or
capital gains distributions.
    

                                       25
<PAGE>
   
    In determining whether  a Class C  CDSC is applicable  to a redemption,  the
calculation will be determined in the manner that results in the lowest possible
rate  being charged. Therefore, it will be  assumed that the redemption is first
of shares held for over one year or shares acquired pursuant to reinvestment  of
dividends  or distributions and then of  shares held longest during the one-year
period. The  charge  will not  be  applied  to dollar  amounts  representing  an
increase in the net asset value since the time of purchase. A transfer of shares
from  a shareholder's account to  another account will be  assumed to be made in
the same order as a redemption.
    

   
    CONVERSION OF CLASS  B SHARES TO  CLASS D SHARES.   After approximately  ten
years  (the "Conversion Period"), Class B shares will be converted automatically
into Class  D shares  of the  Fund. Class  D shares  are subject  to an  ongoing
account  maintenance  fee of  0.10% of  net assets  but are  not subject  to the
distribution fee that is borne by Class B shares. Automatic conversion of  Class
B  shares  into Class  D shares  will occur  at  least once  each month  (on the
"Conversion Date") on the basis of the  relative net asset values of the  shares
of  the two classes on the Conversion  Date, without the imposition of any sales
load, fee or other charge. Conversion of  Class B shares to Class D shares  will
not be deemed a purchase or sale of the shares for Federal income tax purposes.
    

   
    In  addition, shares purchased through reinvestment  of dividends on Class B
shares also will convert  automatically to Class D  shares. The Conversion  Date
for  dividend reinvestment  shares will  be calculated  taking into  account the
length of  time the  shares underlying  such dividend  reinvestment shares  were
outstanding. If at a Conversion Date the conversion of Class B shares to Class D
shares  of the Fund  in a single account  will result in less  than $50 worth of
Class B shares being left in the account, all of the Class B shares of the  Fund
held  in the account on the Conversion Date  will be converted to Class D shares
of the Fund.
    

   
    Share certificates for Class B  shares of the Fund  to be converted must  be
delivered  to the Transfer Agent at least  one week prior to the Conversion Date
applicable to those shares. In the  event such certificates are not received  by
the  Transfer Agent at least one week  prior to the Conversion Date, the related
Class B shares will convert to Class  D shares on the next scheduled  Conversion
Date after such certificates are delivered.
    

   
    In  general, Class B shares of equity MLAM-advised mutual funds will convert
approximately eight years after initial purchase, and Class B shares of  taxable
and tax-exempt fixed income MLAM-advised mutual funds will convert approximately
ten   years  after  initial  purchase.  If,  during  the  Conversion  Period,  a
shareholder exchanges Class B  shares with an  eight-year Conversion Period  for
Class  B shares with a ten-year Conversion Period, or vice versa, the Conversion
Period applicable to the Class B shares acquired in the exchange will apply, and
the holding period for  the shares exchanged  will be tacked  on to the  holding
period for the shares acquired.
    

   
DISTRIBUTION PLANS
    
   
    The  Fund has adopted separate  distribution plans for Class  B, Class C and
Class D shares pursuant to Rule 12b-1  under the 1940 Act (each a  "Distribution
Plan")  with respect to the account maintenance and/or distribution fees paid by
the Fund to the Distributor with respect to such classes. The Class B and  Class
C  Distribution Plans  provide for the  payment of account  maintenance fees and
distribution fees, and the Class D Distribution Plan provides for the payment of
account maintenance fees.
    

                                       26
<PAGE>
   
    The Distribution Plans for Class B, Class C and Class D shares each  provide
that  the Fund pays the  Distributor an account maintenance  fee relating to the
shares of the  relevant class,  accrued daily and  paid monthly,  at the  annual
rates  of 0.25%, 0.25% and 0.10%, respectively,  of the average daily net assets
of the Fund attributable to shares of the relevant class in order to  compensate
the  Distributor and Merrill  Lynch (pursuant to  a sub-agreement) in connection
with account maintenance activities.
    

   
    The Distribution Plans for Class B and Class C shares each provide that  the
Fund  also pays the Distributor a distribution fee relating to the shares of the
relevant class, accrued daily and paid monthly, at the annual rate of 0.25%  and
0.35%, respectively, of the average daily net assets of the Fund attributable to
the  shares of  the relevant  class in order  to compensate  the Distributor and
Merrill Lynch  (pursuant  to  a sub-agreement)  for  providing  shareholder  and
distribution  services, and bearing certain distribution-related expenses of the
Fund, including payments to financial consultants for selling Class B and  Class
C  shares of the  Fund. The Distribution Plans  relating to Class  B and Class C
shares are designed to permit an investor to purchase Class B and Class C shares
through dealers without  the assessment of  an initial sales  charge and at  the
same  time  permit  the  dealer  to  compensate  its  financial  consultants  in
connection with the sale of the Class B and Class C shares. In this regard,  the
purpose  and function of the ongoing distribution  fee and the CDSC are the same
as those of the  initial sales charge with  respect to the Class  A and Class  D
shares  of the Fund in that the deferred sales charges provide for the financing
of the distribution of the Fund's Class B and Class C shares.
    

   
    Prior to July 6, 1993, the Fund paid the Distributor an ongoing distribution
fee, accrued daily  and paid monthly,  at the  annual rate of  0.50% of  average
daily  net assets of  the Class B shares  of the Fund  under a distribution plan
previously adopted by the Fund (the "Prior Plan") to compensate the  Distributor
and  Merrill Lynch  for providing  account maintenance  and distribution-related
activities and services to  Class B shareholders. The  fee rate payable and  the
services  provided under the Prior Plan are  identical to the aggregate fee rate
payable and  the services  provided under  the Class  B Distribution  Plan,  the
difference  being that  the account  maintenance and  distribution services have
been unbundled.
    

   
    For the  fiscal year  ended July  31, 1994,  the Fund  paid the  Distributor
account maintenance fees of $191,024 and distribution fees of $191,024 under the
Class  B Distribution Plan. The Fund did not begin to offer shares of Class C or
Class D publicly  until the date  of this Prospectus.  Accordingly, no  payments
have  been made pursuant to  the Class C or Class  D Distribution Plans prior to
the date of this Prospectus.
    

   
    Payments under the Distribution Plans are  based on a percentage of  average
daily net assets attributable to the shares regardless of the amount of expenses
incurred,  and, accordingly, distribution-related revenues from the Distribution
Plans may be more or  less than distribution-related expenses. Information  with
respect  to the distribution-related  revenues and expenses  is presented to the
Trustees for their consideration  in connection with  their deliberations as  to
the  continuance of the Class B and Class C Distribution Plans. This information
is presented annually  as of  December 31  of each  year on  a "fully  allocated
accrual"  basis and quarterly  on a "direct expense  and revenue/cash" basis. On
the fully allocated accrual basis,  revenues consist of the account  maintenance
fees,  distribution  fees,  the CDSC  and  certain other  related  revenues, and
expenses  consist  of  financial  consultant  compensation,  branch  office  and
regional   operation  center   selling  and   transaction  processing  expenses,
advertising,  sales  promotion  and  market  expenses,  corporate  overhead  and
interest expense. On the direct expense and revenue/cash basis, revenues consist
of  the account  maintenance fees, distribution  fees and CDSC  and the expenses
consist of financial consultant compensation. As of December 31, 1993, the fully
allocated accrual expenses incurred by the Distributor and
    

                                       27
<PAGE>
   
Merrill Lynch  exceeded fully  allocated  revenues by  approximately  $1,630,000
(2.1%  of Class B net assets at that date). As of December 31, 1993, direct cash
expenses exceeded direct cash revenues by $374,161 (0.48% of Class B net  assets
at  that date). As of  July 31, 1994, direct cash  expenses for the period since
the commencement of operations exceeded direct cash revenues by $142,398  (0.19%
of Class B net assets at that date).
    

   
    The  Fund  has no  obligation with  respect  to distribution  and/or account
maintenance-related expenses incurred  by the Distributor  and Merrill Lynch  in
connection  with Class B, Class C and Class  D shares, and there is no assurance
that the Trustees of the Trust will approve the continuance of the  Distribution
Plans  from  year  to year.  However,  the  Distributor intends  to  seek annual
continuation of  the Distribution  Plans. In  their review  of the  Distribution
Plans,  the Trustees will be asked  to take into consideration expenses incurred
in connection with the account maintenance and/or distribution of each class  of
shares  separately. The initial sales charges, the account maintenance fees, the
distribution fees and/or the CDSCs received  with respect to one class will  not
be  used  to subsidize  the sale  of shares  of another  class. Payments  of the
distribution fee on Class B shares will terminate upon conversion of those Class
B shares  into  Class  D  shares  as set  forth  under  "Deferred  Sales  Charge
Alternatives  -- Class B and  Class C Shares -- Conversion  of Class B Shares to
Class D Shares".
    

   
LIMITATIONS ON THE PAYMENT OF DEFERRED SALES CHARGES
    
   
    The maximum sales  charge rule in  the Rules  of Fair Practice  of the  NASD
imposes   a  limitation  on  certain  asset-based  sales  charges  such  as  the
distribution fee and the CDSC borne by the  Class B and Class C shares, but  not
the account maintenance fee. The maximum sales charge rule is applied separately
to  each class. As applicable to the  Fund, the maximum sales charge rule limits
the aggregate of distribution fee payments and CDSCs payable by the Fund to  (1)
6.25%  of eligible gross  sales of Class  B shares and  Class C shares, computed
separately (defined to exclude shares issued pursuant to dividend  reinvestments
and exchanges) plus (2) interest on the unpaid balance for the respective class,
computed  separately, at the  prime rate plus  1% (the unpaid  balance being the
maximum  amount  payable  minus  amounts  received  from  the  payment  of   the
distribution  fee and  the CDSC).  In connection  with the  Class B  shares, the
Distributor has  voluntarily agreed  to  waive interest  charges on  the  unpaid
balance  in excess of  0.50% of eligible gross  sales. Consequently, the maximum
amount payable to the  Distributor (referred to as  the "voluntary maximum")  in
connection  with  the Class  B  shares is  6.75%  of eligible  gross  sales. The
Distributor retains the right to stop waiving the interest charges at any  time.
To  the extent payments  would exceed the  voluntary maximum, the  Fund will not
make further payments of  the distribution fee with  respect to Class B  shares,
and  any CDSCs will be paid to the Fund rather than to the Distributor; however,
the Fund  will continue  to make  payments of  the account  maintenance fee.  In
certain  circumstances the amount payable pursuant  to the voluntary maximum may
exceed the amount payable under the NASD formula. In such circumstances payments
in excess of the amount payable under the NASD formula will not be made.
    

   
                              REDEMPTION OF SHARES
    

   
    The Trust is required to redeem for cash all shares of the Fund upon receipt
of a written request in proper form. The redemption price is the net asset value
per share  next  determined  after  the initial  receipt  of  proper  notice  of
redemption. Except for any CDSC which may be applicable, there will be no charge
for redemption if the redemption request is sent directly to the Transfer Agent.
Shareholders liquidating their
    

                                       28
<PAGE>
holdings  will receive upon redemption all dividends reinvested through the date
of redemption. The value of shares at the time of redemption may be more or less
than the shareholder's  cost, depending on  the market value  of the  securities
held by the Fund at such time.

REDEMPTION

   
    A  shareholder  wishing  to redeem  shares  may  do so,  without  charge, by
tendering the shares directly  to the Transfer  Agent, Financial Data  Services,
Inc.,  Transfer  Agency Mutual  Fund Operations,  P.O. Box  45289, Jacksonville,
Florida 32232-5289. Redemption requests delivered  other than by mail should  be
delivered  to  Financial  Data  Services,  Inc.,  Transfer  Agency  Mutual  Fund
Operations, 4800 Deer Lake Drive East, Jacksonville, Florida 32246-6484.  Proper
notice of redemption in the case of shares deposited with the Transfer Agent may
be  accomplished by  a written  letter requesting  redemption. Proper  notice of
redemption in the case of shares for which certificates have been issued may  be
accomplished  by a written letter as noted above accompanied by certificates for
the shares to be redeemed. Redemption requests should not be sent to the  Trust.
The  notice in either  event requires the  signature(s) of all  persons in whose
name(s) the shares are registered, signed  exactly as such name(s) appear(s)  on
the  Transfer Agent's register. The signature(s)  on the redemption request must
be guaranteed by an "eligible guarantor institution" as such term is defined  in
Rule  17Ad-15  under the  Securities  Exchange Act  of  1934, the  existence and
validity of which  may be  verified by  the Transfer  Agent through  the use  of
industry  publications.  Notarized  signatures are  not  sufficient.  In certain
instances, the Transfer Agent may require additional documents such as, but  not
limited  to, trust instruments, death  certificates, appointments as executor or
administrator,  or  certificates  of   corporate  authority.  For   shareholders
redeeming directly with the Transfer Agent, payments will be mailed within seven
days of receipt of a proper notice of redemption.
    

   
    At  various times the Trust may be requested to redeem Fund shares for which
it has not  yet received good  payment (e.g., cash,  Federal funds or  certified
check drawn on a United States bank). The Trust may delay or cause to be delayed
the  mailing of a redemption check until such time as it has assured itself that
good payment has been collected for the purchase of such Fund shares, which will
not exceed 10 days.
    

REPURCHASE

   
    The Trust also will  repurchase Fund shares  through a shareholder's  listed
securities  dealer. The  Trust normally  will accept  orders to  repurchase Fund
shares by wire or telephone  from dealers for their  customers at the net  asset
value  next computed after receipt of the order by the dealer, provided that the
request for repurchase is received by the dealer prior to the close of  business
on  the New York Stock Exchange on the day received and such request is received
by the Fund from  such dealer not later  than 4:30 P.M., New  York time, on  the
same day. Dealers have the responsibility of submitting such repurchase requests
to  the Trust not later than  4:30 P.M., New York time,  in order to obtain that
day's closing price.
    

   
    The  foregoing   repurchase  arrangements   are  for   the  convenience   of
shareholders and do not involve a charge by the Trust (other than any applicable
CDSC).  Securities firms which  do not have selected  dealer agreements with the
Distributor, however, may  impose a  transaction charge on  the shareholder  for
transmitting the notice of repurchase to the Trust. Merrill Lynch may charge its
customers  a processing fee (presently $4.85)  to confirm a repurchase of shares
of such customers. Redemptions  directly through the  Fund's Transfer Agent  are
not  subject to the processing  fee. The Trust reserves  the right to reject any
order for
    

                                       29
<PAGE>
repurchase, which right of rejection might adversely affect shareholders seeking
redemption through the repurchase procedure. However, a shareholder whose  order
for  repurchase is  rejected by the  Trust may  redeem Fund shares  as set forth
above.

   
REINSTATEMENT PRIVILEGE--CLASS A AND CLASS D SHARES
    
   
    Shareholders who  have redeemed  their Class  A and  Class D  shares have  a
one-time  privilege to reinstate their accounts by purchasing Class A or Class D
shares of the  Fund, as  the case may  be, at  net asset value  without a  sales
charge  up to  the dollar  amount redeemed.  The reinstatement  privilege may be
exercised by sending a notice of exercise  along with a check for the amount  to
be  reinstated to the Transfer  Agent within 30 days  after the date the request
for redemption  was accepted  by  the Transfer  Agent  or the  Distributor.  The
reinstatement  will be  made at  the net asset  value per  share next determined
after the notice of  reinstatement is received and  cannot exceed the amount  of
the  redemption proceeds. The  reinstatement is a one-time  privilege and may be
exercised by  the Class  A  or Class  D shareholder  only  the first  time  such
shareholder makes a redemption.
    

                              SHAREHOLDER SERVICES

   
    The  Trust  offers a  number of  shareholder  services and  investment plans
designed to facilitate investment in shares of the Fund. Full details as to each
of such services, copies of the various plans described below, and  instructions
as  to how to participate in the various services or plans, or to change options
with respect thereto  can be obtained  from the Trust  by calling the  telephone
number on the cover page hereof or from the Distributor or Merrill Lynch.
    

   
    INVESTMENT   ACCOUNT.    Each  shareholder  whose  account  (an  "Investment
Account") is maintained at the Transfer Agent has an Investment Account and will
receive statements at least quarterly from the Transfer Agent. These  statements
will  serve as transaction confirmations  for automatic investment purchases and
the reinvestments  of  ordinary  income dividends  and  long-term  capital  gain
distributions. These statements will also show any other activity in the account
since  the preceding  statement. Shareholders will  receive separate transaction
confirmations for  each  purchase  or  sale  transaction  other  than  automatic
investment  purchases  and the  reinvestments of  ordinary income  dividends and
long-term capital gains distributions. A  shareholder may make additions to  his
Investment  Account at  any time  by mailing  a check  directly to  the Transfer
Agent. Shareholders may also maintain their accounts through Merrill Lynch. Upon
the transfer of shares out of  a Merrill Lynch brokerage account, an  Investment
Account  in the  transferring shareholder's  name will  be opened automatically,
without charge,  at the  Transfer Agent.  Shareholders considering  transferring
their  Class A or Class D shares from Merrill Lynch to another brokerage firm or
financial institution should be aware that, if the firm to which the Class A  or
Class  D shares are  to be transferred will  not take delivery  of shares of the
Fund, a shareholder either must redeem the Class A or Class D shares (paying any
applicable CDSC) so that the cash proceeds can be transferred to the account  at
the new firm or such shareholder must continue to maintain an Investment Account
at  the  Transfer  Agent for  those  Class  A or  Class  D  shares. Shareholders
interested in transferring their  Class B or Class  C shares from Merrill  Lynch
and  who do not wish to have an Investment Account maintained for such shares at
the Transfer Agent may request their new brokerage firm to maintain such  shares
in  an account registered in  the name of the brokerage  firm for the benefit of
the shareholder at the Transfer Agent.
    

                                       30
<PAGE>
   
    EXCHANGE PRIVILEGE.  Shareholders of each  class of shares of the Fund  have
an  exchange privilege  with certain other  MLAM-advised mutual  funds. There is
currently no limitation on  the number of times  a shareholder may exercise  the
exchange  privilege. The exchange privilege may be modified or terminated at any
time in accordance with the rules of the Commission.
    

   
    Under the Merrill Lynch Select Pricing-SM- System, Class A shareholders  may
exchange  Class A shares of the Fund for Class A shares of a second MLAM-advised
mutual fund if the shareholder  holds any Class A shares  of the second fund  in
his  account in which  the exchange is  made at the  time of the  exchange or is
otherwise eligible to purchase Class A shares of the second fund. If the Class A
shareholder wants to exchange Class A shares for shares of a second MLAM-advised
mutual fund, and the shareholder does not hold Class A shares of the second fund
in his account  at the time  of the exchange  and is not  otherwise eligible  to
acquire  Class A shares of the second fund, the shareholder will receive Class D
shares of the second fund as a result  of the exchange. Class D shares also  may
be exchanged for Class A shares of a second MLAM-advised mutual fund at any time
as long as, at the time of the exchange, the shareholder holds Class A shares of
the  second fund in  the account in which  the exchange is  made or is otherwise
eligible to purchase Class A shares of the second fund.
    

   
    Exchanges of  Class A  and Class  D  shares are  made on  the basis  of  the
relative  net asset values per  Class A or Class  D share, respectively, plus an
amount equal to the difference, if any, between the sales charge previously paid
on the Class A or Class D shares being exchanged and the sales charge payable at
the time of the exchange on the shares being acquired.
    

   
    Class B, Class C and Class D shares will be exchangeable with shares of  the
same class of other MLAM-advised mutual funds.
    

   
    Shares  of the Fund which are subject to  a CDSC will be exchangeable on the
basis of relative net asset value per share without the payment of any CDSC that
might otherwise be due upon redemption of  the shares of the Fund. For  purposes
of  computing the  CDSC that  may be  payable upon  a disposition  of the shares
acquired in the exchange, the holding period for the previously owned shares  of
the  Fund is "tacked" to the holding period  of the newly acquired shares of the
other fund.
    

   
    Class A, Class B, Class C and  Class D shares also will be exchangeable  for
shares  of certain  MLAM-advised money  market funds  specifically designated as
available for  exchange by  holders of  Class A,  Class B,  Class C  or Class  D
shares.  The period of time that Class A, Class B, Class C or Class D shares are
held in a money market fund, however, will not count toward satisfaction of  the
holding  period requirement for reduction of any CDSC imposed on such shares, if
any, and, with respect to Class B shares, toward satisfaction of the  Conversion
Period.
    

   
    Class  B shareholders  of the  Fund exercising  the exchange  privilege will
continue to be subject to  the Fund's CDSC schedule  if such schedule is  higher
than  the CDSC schedule relating to the new Class B shares. In addition, Class B
shares of  the Fund  acquired through  use  of the  exchange privilege  will  be
subject  to the Fund's  CDSC schedule if  such schedule is  higher than the CDSC
schedule relating to  the Class B  shares of the  MLAM-advised mutual fund  from
which the exchange has been made.
    

   
    Exercise  of the exchange privilege is treated  as a sale for Federal income
tax purposes. For  further information,  see "Shareholder  Services --  Exchange
Privilege" in the Statement of Additional Information.
    

                                       31
<PAGE>
   
    AUTOMATIC  REINVESTMENT OF DIVIDENDS  AND CAPITAL GAINS  DISTRIBUTIONS.  All
dividends and capital gains distributions  are reinvested automatically in  full
and  fractional shares  of the Fund,  without a  sales charge, at  the net asset
value per share at the  close of business on the  monthly payment date for  such
dividends  and  distributions.  A  shareholder  may  at  any  time,  by  written
notification or by telephone  (1-800-MER-FUND) to the  Transfer Agent, elect  to
have subsequent dividends or both dividends and capital gains distributions paid
in  cash, rather than reinvested, in which event payment will be mailed monthly.
Cash payments can also be directly deposited to the shareholder's bank  account.
Cash  payments can also be directly  deposited to shareholder's bank account. No
CDSC will  be imposed  upon  redemption of  shares issued  as  a result  of  the
automatic reinvestment of dividends or capital gains distributions.
    

   
    SYSTEMATIC  WITHDRAWAL PLANS.  A Class A or Class D shareholder may elect to
receive systematic  withdrawal  payments  from his  Investment  Account  through
automatic payment by check or through automatic payment by direct deposit to his
bank  account on  either a  monthly or  quarterly basis.  A Class  A or  Class D
shareholder whose shares are held within a CMA-R- or CBA-R- Account may elect to
have shares redeemed on  a monthly, bimonthly,  quarterly, semiannual or  annual
basis through the Systematic Redemption Program, subject to certain conditions.
    

   
    AUTOMATIC  INVESTMENT PLANS.  Regular additions of  shares may be made to an
investor's Investment  Account by  prearranged charges  of $50  or more  to  his
regular  bank account. Alternatively, investors who maintain CMA-R- accounts may
arrange to have periodic investments made in the Fund in their CMA-R- account or
in certain  related accounts  in amounts  of  $100 or  more through  the  CMA-R-
Automated Investment Program.
    

                             PORTFOLIO TRANSACTIONS

    The  Trust has no obligation to deal with  any dealer or group of dealers in
the execution of  transactions in  portfolio securities of  the Fund.  Municipal
Bonds and other securities in which the Fund invests are traded primarily in the
over-the-counter  market.  Where possible,  the  Trust deals  directly  with the
dealers  who  make  a  market  in  the  securities  involved  except  in   those
circumstances  where better prices and execution  are available elsewhere. It is
the policy of the Trust to obtain  the best net results in conducting  portfolio
transactions  for the Fund, taking into account such factors as price (including
the applicable dealer spread), the size, type and difficulty of the transactions
involved, the firm's general execution and operations facilities, and the firm's
risk in positioning the  securities involved and  the provision of  supplemental
investment  research  by  the  firm.  While  reasonably  competitive  spreads or
commissions are  sought, the  Fund will  not necessarily  be paying  the  lowest
spread or commission available. The sale of shares of the Fund may be taken into
consideration  as a  factor in  the selection of  brokers or  dealers to execute
portfolio transactions  for  the Fund.  The  portfolio securities  of  the  Fund
generally are traded on a net basis and normally do not involve either brokerage
commissions  or transfer taxes. The cost of portfolio securities transactions of
the Fund primarily  consists of dealer  or underwriter spreads.  Under the  1940
Act,  persons affiliated with the Trust, including Merrill Lynch, are prohibited
from dealing  with  the  Trust as  a  principal  in the  purchase  and  sale  of
securities  unless such trading is permitted by an exemptive order issued by the
Commission. The Trust has obtained an exemptive order permitting it to engage in
certain  principal  transactions  with  Merrill  Lynch  involving  high  quality
short-term municipal bonds subject to certain conditions. In addition, the Trust
may  not purchase securities, including Municipal Bonds, for the Fund during the
existence of any underwriting

                                       32
<PAGE>
   
syndicate of  which Merrill  Lynch is  a member  except pursuant  to  procedures
approved  by the Trustees  of the Trust  which comply with  rules adopted by the
Commission. Affiliated  persons  of  the  Trust  may  serve  as  its  broker  in
over-the-counter transactions conducted for the Fund on an agency basis only.
    

                            DISTRIBUTIONS AND TAXES

DISTRIBUTIONS

   
    The  net  investment  income of  the  Fund  is declared  as  dividends daily
following the normal close of trading on the New York Stock Exchange  (currently
4:00  P.M. New York time)  prior to the determination of  the net asset value on
that day. The net investment income  of the Fund for dividend purposes  consists
of interest earned on portfolio securities, less expenses, in each case computed
since  the most  recent determination  of the net  asset value.  Expenses of the
Fund, including the management fees and the account maintenance and distribution
fees, are accrued daily. Dividends of  net investment income are declared  daily
and  reinvested monthly in the form of  additional full and fractional shares of
the Fund at net asset  value as of the close  of business on the "payment  date"
unless  the shareholder  elects to receive  such dividends in  cash. Shares will
accrue dividends as long as they  are issued and outstanding. Shares are  issued
and outstanding from the settlement date of a purchase order to the day prior to
settlement date of a redemption order.
    

    All  net realized long-or short-term capital gains, if any, are declared and
distributed  to  the  Fund's  shareholders  at  least  annually.  Capital  gains
distributions  will be reinvested automatically in shares unless the shareholder
elects to receive such distributions in cash.

   
    The per share dividends  and distributions on each  class of shares will  be
reduced as a result of any account maintenance, distribution and transfer agency
fees  applicable to that class. See  "Additional Information -- Determination of
Net Asset Value".
    

    See "Shareholder  Services"  for  information  as to  how  to  elect  either
dividend  reinvestment or cash payments. Portions of dividends and distributions
which are taxable to shareholders as  described below are subject to income  tax
whether they are reinvested in shares of the Fund or received in cash.

TAXES

   
    The  Trust  intends to  continue to  qualify  the Fund  for the  special tax
treatment afforded regulated  investment companies ("RICs")  under the  Internal
Revenue  Code  of 1986,  as amended  (the "Code").  If it  so qualifies,  in any
taxable year in which it distributes at least 90% of its taxable net income  and
90%   of  its  tax-exempt  net  income  (see  below),  the  Fund  (but  not  its
shareholders) will not be subject  to Federal income tax  to the extent that  it
distributes  its net investment income and net realized capital gains. The Trust
intends to cause the Fund to distribute substantially all of such income.
    

   
    To the extent that the dividends distributed to the Fund's Class A, Class  B
Class C and Class D shareholders (together, the "shareholders") are derived from
interest  income  exempt  from  Federal  tax  and  are  properly  designated  as
"exempt-interest dividends"  by  the  Trust,  they will  be  excludable  from  a
shareholder's  gross  income for  Federal  income tax  purposes. Exempt-interest
dividends are  included, however,  in  determining the  portion,  if any,  of  a
person's  social security  and railroad  retirement benefits  subject to Federal
income taxes. The portion of  such exempt-interest dividends paid from  interest
received by the Fund from Massachusetts Municipal Bonds also will be exempt from
Massachusetts  personal  income taxes.  Corporate shareholders  and shareholders
subject  to   income  taxation   by  states   other  than   Massachusetts   will
    

                                       33
<PAGE>
   
realize  a lower after-tax rate of  return than Massachusetts shareholders since
the dividends  distributed by  the Fund  generally will  not be  exempt, to  any
significant  degree, from income  taxation by such other  states. The Trust will
inform shareholders annually as to the portion of the Fund's distributions which
constitutes exempt-interest  dividends  and the  portion  which is  exempt  from
Massachusetts  personal  income  taxes.  Interest  on  indebtedness  incurred or
continued to purchase  or carry  Fund shares is  not deductible  for Federal  or
Massachusetts  personal  income  tax  purposes, to  the  extent  attributable to
exempt-interest dividends. Persons who may  be "substantial users" (or  "related
persons"  of substantial users) of facilities financed by industrial development
bonds or  private activity  bonds held  by  the Fund  should consult  their  tax
advisers before purchasing Fund shares.
    

   
    Exempt-interest  and capital gain dividends  paid to a corporate shareholder
will be subject  to Massachusetts  corporate excise tax,  and the  value of  the
shares  of  the Fund  will be  taken  into account  in calculating  the property
component of such tax.
    

   
    To the extent that the Fund's distributions are derived from interest on its
taxable investments or from an excess  of net short-term capital gains over  net
long-term  capital losses ("ordinary income  dividends"), such distributions are
considered taxable  ordinary income  for Federal  and Massachusetts  income  tax
purposes.  Such  distributions  are  not  eligible  for  the  dividends-received
deduction for  corporations. Distributions,  if any,  of net  long-term  capital
gains  from the sale  of securities or  from certain transactions  in futures or
options ("capital gain dividends")  are taxable as  long-term capital gains  for
Federal  income tax purposes,  regardless of the length  of time the shareholder
has owned Fund shares and, for Massachusetts income tax purposes, are treated as
capital gains which  are taxed  at ordinary income  tax rates,  unless they  are
attributable  to  the  sale  of  certain  Massachusetts  Municipal  Bonds issued
pursuant to legislation which specifically  exempts capital gains on their  sale
from  Massachusetts personal  income taxation. Under  the Revenue Reconciliation
Act of 1993, all or a portion of the Fund's gain from the sale or redemption  of
tax-exempt  obligations  purchased  at  a market  discount  will  be  treated as
ordinary income rather than capital gain.  This rule may increase the amount  of
ordinary  income dividends received by  shareholders. Distributions in excess of
the Fund's earnings and profits  will first reduce the  adjusted tax basis of  a
holder's  shares and,  after such  adjusted tax basis  is reduced  to zero, will
constitute capital  gains to  such holder  (assuming the  shares are  held as  a
capital asset). Any loss upon the sale or exchange of shares held for six months
or  less will be treated as long-term capital  loss to the extent of any capital
gain dividends  received by  the shareholder.  In addition,  such loss  will  be
disallowed  to  the  extent of  any  exempt-interest dividends  received  by the
shareholder. If the Fund pays  a dividend in January  which was declared in  the
previous  October, November or December to shareholders of record on a specified
date in one of such months, then such dividend will be treated for tax  purposes
as being paid by the Fund and received by its shareholders on December 31 of the
year in which such dividend was declared.
    

   
    The   Code  subjects  interest  received  on  certain  otherwise  tax-exempt
securities to an alternative minimum  tax. This alternative minimum tax  applies
to  interest received on  "private activity bonds" issued  after August 7, 1986.
Private activity  bonds  are bonds  which,  although tax-exempt,  are  used  for
purposes  other than those  generally performed by  governmental units and which
benefit non-governmental entities (e.g.,  bonds used for industrial  development
or  housing purposes). Income received on such bonds is classified as an item of
"tax preference,"  which  could  subject  investors  in  such  bonds,  including
shareholders  of the Fund, to an alternative minimum tax. The Fund will purchase
such "private activity bonds," and the Trust will report to shareholders  within
60  days after the Fund's  taxable year-end the portion  of the Fund's dividends
declared during  the  year which  constitutes  an  item of  tax  preference  for
alternative minimum tax purposes.
    

                                       34
<PAGE>
   
The  Code  further  provides that  corporations  are subject  to  an alternative
minimum tax based,  in part, on  certain differences between  taxable income  as
adjusted  for  other tax  preferences  and the  corporation's  "adjusted current
earnings" (which more closely reflect a corporation's economic income).  Because
an  exempt-interest  dividend paid  by  the Fund  will  be included  in adjusted
current earnings, a  corporate shareholder  may be required  to pay  alternative
minimum tax on exempt-interest dividends paid by the Fund.
    

    The  Revenue Reconciliation Act of 1993  has added new marginal tax brackets
of 36% and 39.6% for  individuals and has created  a graduated structure of  26%
and  28% for  the alternative  minimum tax  applicable to  individual taxpayers.
These rate increases may affect  an individual investor's after-tax return  from
an  investment in the Fund as compared  with such investor's return from taxable
investments.

   
    No gain or loss will be recognized by Class B shareholders on the conversion
of their Class B shares into Class D shares. A shareholder's basis in the  Class
D  shares acquired will be  the same as such shareholder's  basis in the Class B
shares converted, and  the holding period  of the acquired  Class D shares  will
include the holding period for the converted Class B shares.
    

   
    If a shareholder exercises an exchange privilege within 90 days of acquiring
the  shares, then the loss the shareholder can recognize on the exchange will be
reduced (or the gain increased) to the extent the sales charge paid to the  Fund
reduces  any sales charge such shareholder would  have owed upon purchase of the
new shares in the absence of the exchange privilege. Instead, such sales  charge
will be treated as an amount paid for the new shares.
    

   
    A  loss  realized on  a  sale or  exchange  of shares  of  the Fund  will be
disallowed if  other Fund  shares are  acquired (whether  through the  automatic
reinvestment of dividends or otherwise) within a 61-day period beginning 30 days
before  and ending 30  days after the date  that the shares  are disposed of. In
such a case, the basis  of the shares acquired will  be adjusted to reflect  the
disallowed loss.
    

   
    Under  certain provisions of the Code, some shareholders may be subject to a
31% withholding tax  on certain ordinary  income dividends and  on capital  gain
dividends   and   redemption   payments   ("backup   withholding").   Generally,
shareholders subject to backup withholding will  be those for whom no  certified
taxpayer  identification number is on file with the Trust or who, to the Trust's
knowledge, have furnished an incorrect number. When establishing an account,  an
investor  must certify under penalty of perjury  that such number is correct and
that such investor is not otherwise subject to backup withholding.
    

    The Code  provides that  every person  required to  file a  tax return  must
include  for information purposes  on such return  the amount of exempt-interest
dividends received  from all  sources (including  the Fund)  during the  taxable
year.

    The  foregoing  is  a  general and  abbreviated  summary  of  the applicable
provisions  of  the  Code,  Treasury  regulations  and  Massachusetts  tax  laws
presently  in effect. For  the complete provisions, reference  should be made to
the pertinent Code sections, the Treasury regulations promulgated thereunder and
the applicable Massachusetts personal income and corporate excise tax laws.  The
Code  and the Treasury regulations,  as well as the  Massachusetts tax laws, are
subject to  change  by legislative,  judicial  or administrative  action  either
prospectively or retroactively.

    Shareholders   are  urged  to  consult  their  tax  advisers  regarding  the
availability of  any exemptions  from state  or local  taxes (other  than  those
imposed  by Massachusetts) and  with specific questions  as to Federal, foreign,
state or local taxes.

                                       35
<PAGE>
                                PERFORMANCE DATA

   
    From  time to time the Fund may  include its average annual total return and
yield  and  tax  equivalent  yield   for  various  specified  time  periods   in
advertisements  or information furnished to present or prospective shareholders.
Average annual  total  return,  yield  and tax  equivalent  yield  are  computed
separately  for Class A, Class B, Class C  and Class D shares in accordance with
formulas specified by the Commission.
    

   
    Average annual total  return quotations  for the specified  periods will  be
computed  by finding the average annual compounded rates of return (based on net
investment income and  any realized and  unrealized capital gains  or losses  on
portfolio  investments over such  periods) that would  equate the initial amount
invested to the redeemable value of such  investment at the end of each  period.
Average  annual  total  return  will  be  computed  assuming  all  dividends and
distributions are reinvested  and taking into  account all applicable  recurring
and  nonrecurring expenses,  including any  CDSC that  would be  applicable to a
complete redemption of the investment at the end of the specified period such as
in the case of Class B  and Class C shares and  the maximum sales charge in  the
case  of Class A and Class D shares.  Dividends paid by the Fund with respect to
all shares, to the extent any dividends are paid, will be calculated in the same
manner at the same time on the same  day and will be in the same amount,  except
that  account maintenance and distribution  charges and any incremental transfer
agency costs relating to each class of shares will be borne exclusively by  that
class.  The Fund will include performance data  for all classes of shares of the
Fund in any advertisement or information including performance data of the Fund.
    

   
    The Fund also may quote total return and aggregate total return  performance
data   for  various  specified  time  periods.  Such  data  will  be  calculated
substantially as described above, except that (1) the rates of return calculated
will not  be average  annual rates,  but rather,  actual annual,  annualized  or
aggregate  rates of return and (2) the maximum applicable sales charges will not
be included with respect to annual  or annualized rates of return  calculations.
Aside  from  the impact  on the  performance data  calculations of  including or
excluding the  maximum applicable  sales charges,  actual annual  or  annualized
total  return data generally will be lower than average annual total return data
since the average annual  rates of return  reflect compounding; aggregate  total
return data generally will be higher than average annual total return data since
the  aggregate rates of return reflect compounding over a longer period of time.
In advertisements distributed to investors whose purchases are subject to waiver
of the CDSC in the case of Class  B and Class C shares or reduced sales  charges
in  the case of Class A  and Class D shares, the  performance data may take into
account the reduced,  and not the  maximum, sales  charge or may  not take  into
account  the CDSC and therefore  may reflect greater total  return since, due to
the reduced sales charges or waiver of  the CDSC, a lower amount of expenses  is
deducted.  See "Purchase  of Shares". The  Fund's total return  may be expressed
either as a percentage or as a  dollar amount in order to illustrate such  total
return  on a hypothetical $1,000 investment in the Fund at the beginning of each
specified period.
    

   
    Yield quotations will be computed based  on a 30-day period by dividing  (a)
the  net income based on the yield of  each security earned during the period by
(b) the average daily number of  shares outstanding during the period that  were
entitled to receive dividends multiplied by the maximum offering price per share
on  the last day of the period. Tax equivalent yield quotations will be computed
by dividing (a) the part of the Fund's yield that is tax-exempt by (b) one minus
a stated tax rate and (c) adding the result to that part, if any, of the  Fund's
yield  that is not  tax-exempt. The yield  for the 30-day  period ended July 31,
1994 was  5.37%  for Class  A  shares  and 5.09%  for  Class B  shares  and  the
tax-equivalent  yield for the same period (based on a Federal income tax rate of
28%) was  7.46% for  Class A  shares and  7.07% for  Class B  shares. The  yield
    

                                       36
<PAGE>
   
without  voluntary reimbursement for the 30-day period would have been 5.18% for
Class A shares and 4.89% for Class B shares with a tax-equivalent yield of 7.19%
for Class A shares and 6.79% for Class B shares.
    

    Total  return  and  yield  figures  are  based  on  the  Fund's   historical
performance  and are  not intended  to indicate  future performance.  The Fund's
total return and yield will vary depending on market conditions, the  securities
comprising the Fund's portfolio, the Fund's operating expenses and the amount of
realized  and unrealized net capital gain or losses during the period. The value
of an  investment in  the Fund  will fluctuate  and an  investor's shares,  when
redeemed, may be worth more or less than their original cost.

    On  occasion,  the  Fund may  compare  its performance  to  performance data
published by Lipper  Analytical Services, Inc.,  Morningstar Publications,  Inc.
("Morningstar"),  and CDA  Investment Technology, Inc.  or to  data contained in
publications such as Money  Magazine, U.S. News &  World Report, Business  Week,
Forbes  Magazine and Fortune Magazine.  From time to time,  the Fund may include
the Fund's Morningstar  risk-adjusted performance ratings  in advertisements  or
supplemental  sales  literature.  As with  other  performance  data, performance
comparisons should  not  be considered  representative  of the  Fund's  relative
performance for any future period.

                             ADDITIONAL INFORMATION

DETERMINATION OF NET ASSET VALUE

   
    The  net asset value of the shares of  all classes of the Fund is determined
by the Manager once  daily as of 4:15  P.M., New York time,  on each day  during
which  the New York Stock Exchange is open  for trading. The net asset value per
share is computed by dividing the sum of the value of the securities held by the
Fund plus any cash or other assets minus all liabilities by the total number  of
shares  outstanding  at  such  time,  rounded  to  the  nearest  cent. Expenses,
including the  fees payable  to the  Manager and  the Distributor,  are  accrued
daily.
    

   
    The per share net asset value of the Class A shares will generally be higher
than  the per share net  asset value of shares  of the other classes, reflecting
the daily expense accruals of  the account maintenance, distribution and  higher
transfer  agency fees applicable with respect to  Class B and Class C shares and
the daily  expense accruals  of  the account  maintenance fees  applicable  with
respect  to Class D shares;  moreover, the per share net  asset value of Class D
shares generally will be higher  than the per share net  asset value of Class  B
and  Class C shares,  reflecting the daily expense  accruals of the distribution
and higher agency fees applicable with respect to Class B and Class C shares. It
is expected, however, that  the per share  net asset value  of the classes  will
tend  to converge  immediately after the  payment of  dividends or distributions
which  will  differ  by  approximately   the  amount  of  the  expense   accrual
differentials between the classes.
    

ORGANIZATION OF THE TRUST

    The  Trust is an  unincorporated business trust organized  on August 2, 1985
under the laws of Massachusetts. On October 1, 1987, the Trust changed its  name
from  "Merrill  Lynch Multi-State  Tax-Exempt  Series Trust"  to  "Merrill Lynch
Multi-State Municipal Bond  Series Trust"  and on  December 22,  1987 the  Trust
changed  its name  to "Merrill  Lynch Multi-State  Municipal Series  Trust". The
Trust is an open-end management investment company comprised of separate  series
("Series"),  each of which  is a separate portfolio  offering shares to selected
groups of purchasers. Each of the Series is to be managed independently in order
to provide to shareholders who are residents  of the state to which such  Series
relates as high a level

                                       37
<PAGE>
   
of  income exempt from  Federal, state and  local income taxes  as is consistent
with prudent investment  management. The  Trustees are authorized  to create  an
unlimited  number  of Series  and,  with respect  to  each Series,  to  issue an
unlimited number of full  and fractional shares of  beneficial interest of  $.10
par  value of  different classes. Shareholder  approval is not  required for the
authorization of additional Series or classes of  a Series of the Trust. At  the
date  of this Prospectus, the shares of the Fund are divided into Class A, Class
B, Class C and  Class D shares.  Class A, Class  B, Class C  and Class D  shares
represent  interests in  the same assets  of the  Fund and are  identical in all
respects except that Class B, Class C  and Class D shares bear certain  expenses
related  to the account maintenance associated with such shares, and Class B and
Class C shares bear certain expenses related to the distribution of such shares.
Each class  has exclusive  voting rights  with respect  to matters  relating  to
account  maintenance and distribution expenditures  as applicable. See "Purchase
of Shares". The Trust  has received an order  (the "Order") from the  Commission
permitting  the issuance and sale of multiple classes of shares. The Trustees of
the Trust may  classify and reclassify  the shares of  the Fund into  additional
classes  at  a future  date. The  Order  permits the  Trust to  issue additional
classes of shares of any Series if the Board of Trustees deems such issuance  to
be in the best interest of the Trust.
    

   
    Shareholders  are entitled to one vote for each full share and to fractional
votes for fractional  shares held  in the election  of Trustees  (to the  extent
hereinafter   provided)  and  on   other  matters  submitted   to  the  vote  of
shareholders. There normally will be no meeting of shareholders for the  purpose
of  electing Trustees unless and until such time  as less than a majority of the
Trustees holding office  have been elected  by shareholders, at  which time  the
Trustees  then in office will  call a shareholders' meeting  for the election of
Trustees. Shareholders may, in accordance with  the terms of the Declaration  of
Trust,  cause a meeting of shareholders to be  held for the purpose of voting on
the removal of  Trustees. Also, the  Trust will  be required to  call a  special
meeting  of shareholders of a Series in  accordance with the requirements of the
1940 Act to  seek approval  of new management  and advisory  arrangements, of  a
material  increase  in  distribution fees  or  of  a change  in  the fundamental
policies, objectives or restrictions of a Series. Except as set forth above, the
Trustees shall  continue to  hold office  and appoint  successor Trustees.  Each
issued and outstanding share is entitled to participate equally in dividends and
distributions declared by the respective Series and in net assets of such Series
upon  liquidation  or dissolution  remaining  after satisfaction  of outstanding
liabilities except that, as  noted above, Class  B, Class C  and Class D  shares
bear   certain  additional  expenses.  The  obligations  and  liabilities  of  a
particular Series are restricted to the assets of that Series and do not  extend
to  the assets of the  Trust generally. The shares  of each Series, when issued,
will be fully-paid and non-assessable by the Trust.
    

SHAREHOLDER REPORTS

    Only  one  copy   of  each  shareholder   report  and  certain   shareholder
communications  will be mailed to each  identified shareholder regardless of the
number of accounts  such shareholder  has. If  a shareholder  wishes to  receive
separate  copies of each report and  communication for each of the shareholder's
related accounts, the shareholder should notify in writing:

   
          Financial Data Services, Inc.
           Attn: TAMFO
           P.O. Box 45289
           Jacksonville, FL 32232-5289
    

                                       38
<PAGE>
The written notification  should include  the shareholder's  name, address,  tax
identification  number and  Merrill Lynch,  Pierce, Fenner  & Smith Incorporated
and/or mutual fund  account numbers. If  you have any  questions regarding  this
matter  please call  your Merrill Lynch  financial consultant  or Financial Data
Services, Inc. at 800-637-3863.

SHAREHOLDER INQUIRIES

    Shareholder inquiries  may be  addressed  to the  Trust  at the  address  or
telephone number set forth on the cover page of this Prospectus.
                              -------------------

    The  Declaration of  Trust establishing the  Trust, dated August  2, 1985, a
copy of which together  with all amendments thereto  (the "Declaration"), is  on
file  in  the office  of  the Secretary  of  the Commonwealth  of Massachusetts,
provides that the name "Merrill Lynch Multi-State Municipal Series Trust" refers
to the  Trustees under  the Declaration  collectively as  Trustees, but  not  as
individuals  or personally;  and no  Trustee, shareholder,  officer, employee or
agent of the Trust shall be held to any personal liability, nor shall resort  be
had  to such person's private property for the satisfaction of any obligation or
claim of the Trust, but the "Trust Property" only shall be liable.

                                       39
<PAGE>
                      [This page intentionally left blank]

                                       40
<PAGE>
   
 MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND - AUTHORIZATION FORM (PART 1)
    
- --------------------------------------------------------------------------------
1.  SHARE PURCHASE APPLICATION

    I, being of legal age, wish to purchase: (choose one)

/ / Class A shares  / / Class B shares  / / Class C shares  / / Class D shares

   
of  Merrill Lynch Massachusetts Municipal Bond  Fund and establish an Investment
Account as described in the Prospectus. In  the event that I am not eligible  to
purchase Class A shares, I understand that Class D shares will be purchased.
    

    Basis for establishing an Investment Account:

        A.   I enclose a check for $ . payable to Financial Data Services, Inc.,
    as an initial investment (minimum  $1,000). I understand that this  purchase
    will  be executed  at the  applicable offering  price next  to be determined
    after this Application is received by you.

        B.  I  already own shares  of the following  Merrill Lynch mutual  funds
    that  would  qualify  for  the  right of  accumulation  as  outlined  in the
    Statement of Additional Information: (Please list all funds. Use a  separate
    sheet of paper if necessary.)

<TABLE>
<S>                                                         <C>
1. ......................................................... 4. .........................................................

2. ......................................................... 5. .........................................................

3. ......................................................... 6. .........................................................
</TABLE>

<TABLE>
<S>                                                         <C>
Name ...................................................................................................................
     First Name        Initial        Last Name

Name of Co-Owner (if any) ..............................................................................................
                          First Name    Initial    Last Name
</TABLE>

Address ...................     Date ................... , 19 ..................

 ...............................................................................
                                                            (Zip Code)

<TABLE>
<S>                                                           <C>
Occupation .................................................  Name and Address of Employer ...............................

                                                              ............................................................

                                                              ............................................................

 ...........................................................  ............................................................
                     Signature of Owner                                      Signature of Co-Owner (if any)
</TABLE>

   
 (In the case of co-owners, a joint tenancy with right of survivorship will be
                     presumed unless otherwise specified.)
    
- --------------------------------------------------------------------------------
2.  DIVIDEND AND CAPITAL GAIN DISTRIBUTION OPTIONS

<TABLE>
<S>        <C>        <C>                        <C>        <C>        <C>
           ORDINARY INCOME DIVIDENDS                         LONG-TERM CAPITAL GAINS
Select        / /     Reinvest                   Select        / /     Reinvest
One:          / /     Cash                       One:          / /     Cash
</TABLE>

If  no  election is  made,  dividends and  capital  gains will  be automatically
reinvested at net asset value without a sales charge.

IF CASH, SPECIFY HOW YOU WOULD LIKE YOUR DISTRIBUTIONS PAID TO YOU:    / / Check
or  / / Direct Deposit to bank account

IF DIRECT DEPOSIT TO BANK ACCOUNT IS SELECTED, PLEASE COMPLETE BELOW:

   
I hereby authorize payment of dividend and capital gain distributions by  direct
deposit  to my bank account and, if necessary, debit entries and adjustments for
any credit  entries made  to my  account in  accordance with  the terms  I  have
selected  on the Merrill  Lynch Massachusetts Municipal  Bond Fund Authorization
Form.
    

SPECIFY TYPE OF ACCOUNT (CHECK ONE)    / / checking    / / savings

Name on your account ...........................................................

Bank Name ......................................................................

Bank Number ........................     Account Number ........................

Bank Address ...................................................................

I AGREE THAT THIS  AUTHORIZATION WILL REMAIN IN  EFFECT UNTIL I PROVIDE  WRITTEN
NOTIFICATION  TO  FINANCIAL DATA  SERVICES,  INC. AMENDING  OR  TERMINATING THIS
SERVICE.

Signature of Depositor .........................................................

Signature of Depositor ........................     Date .......................
(if joint account, both must sign)

NOTE: IF DIRECT DEPOSIT TO BANK ACCOUNT IS SELECTED, YOUR BLANK, UNSIGNED  CHECK
MARKED  "VOID" OR A DEPOSIT SLIP FROM YOUR SAVINGS ACCOUNT SHOULD ACCOMPANY THIS
APPLICATION.

                                       41
<PAGE>
   
               MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND -
                   AUTHORIZATION FORM (PART 1) - (CONTINUED)
    
- --------------------------------------------------------------------------------
3.  SOCIAL SECURITY NUMBER OR TAXPAYER IDENTIFICATION NUMBER
          ------------------------------------------------------------
            Social Security Number or Taxpayer Identification Number

    Under penalty of perjury, I certify (1)  that the number set forth above  is
my correct Social Security Number or Taxpayer Identification Number and (2) that
I  am not subject  to backup withholding  (as discussed in  the Prospectus under
"Distributions and Taxes -- Taxes") either because I have not been notified that
I am  subject thereto  as  a result  of  a failure  to  report all  interest  or
dividends,  or the Internal Revenue Service ("IRS") has notified me that I am no
longer subject thereto.

    INSTRUCTION: YOU MUST STRIKE OUT THE LANGUAGE IN (2) ABOVE IF YOU HAVE  BEEN
NOTIFIED THAT YOU ARE SUBJECT TO BACKUP WITHHOLDING DUE TO UNDERREPORTING AND IF
YOU  HAVE NOT RECEIVED  A NOTICE FROM  THE IRS THAT  BACKUP WITHHOLDING HAS BEEN
TERMINATED. THE UNDERSIGNED AUTHORIZES THE  FURNISHING OF THIS CERTIFICATION  TO
OTHER MERRILL LYNCH SPONSORED MUTUAL FUNDS.

<TABLE>
<S>                                                         <C>
 ........................................................... ............................................................
                     Signature of Owner                                    Signature of Co-Owner (if any)
</TABLE>

- --------------------------------------------------------------------------------

4.  LETTER OF INTENTION -- CLASS A AND CLASS D SHARES ONLY (See terms and
conditions in the Statement of Additional Information)

Dear Sir/Madam:
 ..................................... , 19 ....................................
                                                      Date of initial purchase

   
    Although I am not obligated to do so, I intend to purchase shares of Merrill
Lynch  Massachusetts Municipal Bond Fund or any other investment company with an
initial sales charge  or deferred  sales charge  for which  Merrill Lynch  Funds
Distributor,  Inc. acts as distributor over  the next 13-month period which will
equal or exceed:
    

/ / $25,000    / / $50,000    / / $100,000    / / $250,000    / / $1,000,000

   
    Each purchase will be made at the then reduced offering price applicable  to
the  amount  checked  above, as  described  in the  Merrill  Lynch Massachusetts
Municipal Bond Fund Prospectus.
    

   
    I agree to the  terms and conditions  of the Letter  of Intention. I  hereby
irrevocably  constitute and  appoint Merrill  Lynch Funds  Distributor, Inc., my
attorney, with full power  of substitution, to surrender  for redemption any  or
all shares of Merrill Lynch Massachusetts Municipal Bond Fund held as security.
    

<TABLE>
<S>                                                         <C>
By.......................................................... ............................................................
                     Signature of Owner                                        Signature of Co-Owner
                                                                   (if registered in joint names, both must sign)
</TABLE>

    In  making  purchases  under  this letter,  the  following  are  the related
accounts on which reduced offering prices are to apply:

<TABLE>
<S>                                                         <C>
(1) Name.................................................... (2) Name....................................................

Account Number.............................................. Account Number..............................................
</TABLE>

- --------------------------------------------------------------------------------

5.  FOR DEALER ONLY

   
<TABLE>
<S>                                                           <C>
Branch Office, Address, Stamp                                 We hereby authorize Merrill Lynch Funds Distributor, Inc. to
                                                              act as our agent in connection with transactions under  this
                                                              authorization  form and  agree to notify  the Distributor of
                                                              any purchases made under a Letter of Intention or Systematic
                                                              Withdrawal Plan. We  guarantee the shareholder's  signature.
This form, when completed, should be mailed to:               ............................................................
    Merrill Lynch Massachusetts Municipal Bond Fund           Dealer Name and Address
    c/o Financial Data Services, Inc.                         By:  .......................................................
    Transfer Agency Mutual Fund Operations                    Authorized Signature of Dealer
    P.O. Box 45289                                            ------------        ----------------
    Jacksonville, Florida 32232-5289                          ------------        ----------------
                                                              ............................................................
                                                              Branch   Code           F/C   No.           F/C   Last  Name
                                                              ------------      --------------------
                                                              ------------      --------------------
                                                              Dealer's Customer A/C No.
</TABLE>
    

                                       42
<PAGE>
   
 MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND - AUTHORIZATION FORM (PART 2)
    
- --------------------------------------------------------------------------------

NOTE: THIS FORM IS REQUIRED TO APPLY FOR THE SYSTEMATIC WITHDRAWAL OR AUTOMATIC
INVESTMENT PLANS ONLY.
- --------------------------------------------------------------------------------
1.  ACCOUNT REGISTRATION

<TABLE>
<S>                                                           <C>
Name of Owner ..............................................            ----------------------------------------
Name of Co-Owner (if any) ..................................                     Social Security Number
Address ....................................................               or Taxpayer Identification Number
 ...........................................................  Account Number .............................................
                                                                                 (if existing account)
</TABLE>

- --------------------------------------------------------------------------------
2.  SYSTEMATIC WITHDRAWAL  PLAN--CLASS  A  AND  D SHARES  ONLY  (SEE  TERMS  AND
    CONDITIONS IN THE STATEMENT OF ADDITIONAL INFORMATION)

   
    Minimum   Requirements:  $10,000  for   monthly  disbursements,  $5,000  for
quarterly, of / / Class A or /  / Class D shares in Merrill Lynch  Massachusetts
Municipal  Bond Fund at cost  or current offering price.  Withdrawals to be made
either  (check  one)        /  /  Monthly  on  the  24th  day  of  each   month,
or  / / Quarterly on the 24th day of March, June, September and December. If the
24th falls on a  weekend or holiday,  the next succeeding  business day will  be
utilized. Begin systematic withdrawal on ________________(month)________________
or as soon as possible thereafter.
    

SPECIFY  HOW YOU  WOULD LIKE
YOUR WITHDRAWAL PAID TO  YOU
(CHECK  ONE):        /  /  $
- ----------------------------------------------------------------
or / /
- -----------------------------------------------------------------%
of  the  current  value  of
/  / Class A or / / Class D
shares in the account.

SPECIFY WITHDRAWAL METHOD:
/ / check or / / direct
deposit to bank account
(check one and complete part
(a) or (b) below):

DRAW CHECKS PAYABLE (CHECK
ONE)

(a)   I   hereby   authorize
payment by check

   / / as indicated in Item
   1.

   / / to the order of ....

Mail to (check one)

   / / the address indicated in Item 1.

   / / Name (please print) .....................................................

Address ........................................................................
                                        ........................................

Signature of Owner ..........................     Date .........................

Signature of Co-Owner (if any) .................................................

(B)  I HEREBY  AUTHORIZE PAYMENT BY  DIRECT DEPOSIT  TO MY BANK  ACCOUNT AND, IF
NECESSARY, DEBIT  ENTRIES AND  ADJUSTMENTS FOR  ANY CREDIT  ENTRIES MADE  TO  MY
ACCOUNT.  I AGREE THAT THIS AUTHORIZATION WILL  REMAIN IN EFFECT UNTIL I PROVIDE
WRITTEN NOTIFICATION TO  FINANCIAL DATA SERVICES,  INC. AMENDING OR  TERMINATING
THIS SERVICE.

Specify type of account (check one)    / / checking    / / savings

Name on your account ...........................................................

Bank Name ......................................................................

Bank Number   ......................... Account Number .........................

Bank Address ...................................................................

                                        ........................................

Signature of Depositor .........................   Date ........................

Signature of Depositor .........................................................
(if joint account, both must sign)

NOTE:  IF DIRECT DEPOSIT IS ELECTED, YOUR BLANK, UNSIGNED CHECK MARKED "VOID" OR
A DEPOSIT SLIP FROM YOUR SAVINGS ACCOUNT SHOULD ACCOMPANY THIS APPLICATION.

                                       43
<PAGE>
   
               MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND -
                   AUTHORIZATION FORM (PART 2) - (CONTINUED)
    
- --------------------------------------------------------------------------------

3.  APPLICATION FOR AUTOMATIC INVESTMENT PLAN

    I hereby  request  that Financial  Data  Services, Inc.  draw  an  automated
clearing  house ("ACH")  debit on  my checking  account as  described below each
month to purchase: (choose one)

/ / Class A shares  / / Class B shares  / / Class C shares  / / Class D shares

   
of Merrill Lynch  Massachusetts Municipal  Bond Fund  subject to  the terms  set
forth  below. In the event that I am  not eligible to purchase Class A shares, I
understand that Class D shares will be purchased.
    

                         FINANCIAL DATA SERVICES, INC.

   
You are hereby authorized to draw an ACH debit each month on my bank account for
investment in  Merrill  Lynch Massachusetts  Municipal  Bond Fund  as  indicated
below:
    

    Amount of each ACH debit $ .................................................

    Account number  ............................................................

Please date and invest ACH debits on the 20th of each month

beginning  .................................. or as soon thereafter as possible.
                   (Month)

    I  agree that you are drawing these ACH debits voluntarily at my request and
that you shall not be liable for any loss arising from any delay in preparing or
failure to prepare any such debit. If  I change banks or desire to terminate  or
suspend  this  program, I  agree to  notify  you promptly  in writing.  I hereby
authorize you to  take any action  to correct  erroneous ACH debits  of my  bank
account or purchases of fund shares including liquidating shares of the Fund and
crediting  my bank  account. I  further agree that  if a  check or  debit is not
honored upon  presentation,  Financial  Data Services,  Inc.  is  authorized  to
discontinue   immediately  the  Automatic  Investment   Plan  and  to  liquidate
sufficient shares  held in  my account  to  offset the  purchase made  with  the
dishonored debit.

 ...................................          ..................................
            Date                              Signature of Depositor

                                        ........................................
                                              Signature of Depositor
                                        (If joint account, both must sign)

                       AUTHORIZATION TO HONOR ACH DEBITS
                     DRAWN BY FINANCIAL DATA SERVICES, INC.

To ........................................................................ Bank
                               (Investor's Bank)

Bank Address ...................................................................
City  ................... State  ................... Zip Code ..................

As  a convenience to me, I hereby request and authorize you to pay and charge to
my account ACH  debits drawn  on my  account by  and payable  to Financial  Data
Services,  Inc. I agree that your rights in  respect to each such debit shall be
the same as if it were  a check drawn on you  and signed personally by me.  This
authority  is to  remain in  effect until revoked  personally by  me in writing.
Until you receive such notice, you shall be fully protected in honoring any such
debit. I further agree  that if any  such debit be  dishonored, whether with  or
without  cause and whether intentionally or inadvertently, you shall be under no
liability.

 ...................................          ..................................
            Date                              Signature of Depositor

 ...................................          ..................................
    Bank Account Number                       Signature of Depositor
                                        (If joint account, both must sign)

NOTE: IF AUTOMATIC INVESTMENT PLAN IS ELECTED, YOUR BLANK, UNSIGNED CHECK MARKED
"VOID" SHOULD ACCOMPANY THIS APPLICATION.

                                       44
<PAGE>
   
                                    MANAGER
                             Fund Asset Management
                            Administrative Offices:
                             800 Scudders Mill Road
                             Plainsboro, New Jersey
                                Mailing Address:
                                 P.O. Box 9011
                        Princeton, New Jersey 08543-9011
    

   
                                  DISTRIBUTOR
                     Merrill Lynch Funds Distributor, Inc.
                            Administrative Offices:
                             800 Scudders Mill Road
                             Plainsboro, New Jersey
                                Mailing Address:
                                 P.O. Box 9011
                        Princeton, New Jersey 08543-9011
    

   
                                   CUSTODIAN
                      State Street Bank and Trust Company
                                  P.O. Box 351
                          Boston, Massachusetts 02101
    

                                 TRANSFER AGENT
                         Financial Data Services, Inc.
                            Administrative Offices:
                     Transfer Agency Mutual Fund Operations
                           4800 Deer Lake Drive East
                        Jacksonville, Florida 32246-6484
                                Mailing Address:
                                 P.O. Box 45289
                        Jacksonville, Florida 32232-5289

   
                              INDEPENDENT AUDITORS
                             Deloitte & Touche LLP
                                117 Campus Drive
                          Princeton, New Jersey 08540
    

                                    COUNSEL
                                  Brown & Wood
                             One World Trade Center
                         New York, New York 10048-0557
<PAGE>
  NO  PERSON  HAS  BEEN  AUTHORIZED  TO GIVE  ANY  INFORMATION  OR  TO  MAKE ANY
REPRESENTATIONS, OTHER THAN  THOSE CONTAINED IN  THIS PROSPECTUS, IN  CONNECTION
WITH  THE OFFER CONTAINED IN THIS PROSPECTUS,  AND, IF GIVEN OR MADE, SUCH OTHER
INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY THE  TRUST,  THE  MANAGER  OR  THE  DISTRIBUTOR.  THIS  PROSPECTUS  DOES  NOT
CONSTITUTE  AN OFFERING IN ANY STATE IN  WHICH SUCH OFFERING MAY NOT LAWFULLY BE
MADE.
                             ---------------------

                               TABLE OF CONTENTS

   
<TABLE>
<CAPTION>
                                                    PAGE
                                                    -----
<S>                                              <C>
Fee Table......................................           2
Merrill Lynch Select Pricing-SM- System........           4
Financial Highlights...........................           8
Investment Objective and Policies..............           9
  Potential Benefits...........................          11
  Special and Risk Considerations Relating to
    Massachusetts Municipal Bonds..............          11
  Description of Municipal Bonds...............          12
  Call Rights..................................          14
  When-Issued Securities and Delayed Delivery
    Transactions...............................          14
  Financial Futures Transactions and Options...          15
  Repurchase Agreements........................          17
  Investment Restrictions......................          17
Management of the Trust........................          19
  Trustees.....................................          19
  Management and Advisory Arrangements.........          19
  Transfer Agency Services.....................          20
Purchase of Shares.............................          20
  Initial Sales Charge Alternatives -- Class A
    and Class D Shares.........................          22
  Deferred Sales Charge Alternatives -- Class B
    and Class C Shares.........................          24
  Distribution Plans...........................          26
  Limitations on the Payment of Deferred Sales
    Charges....................................          28
Redemption of Shares...........................          28
  Redemption...................................          29
  Repurchase...................................          29
  Reinstatement Privilege -- Class A and Class
    D Shares...................................          30
Shareholder Services...........................          30
Portfolio Transactions.........................          32
Distributions and Taxes........................          33
  Distributions................................          33
  Taxes........................................          33
Performance Data...............................          36
Additional Information.........................          37
  Determination of Net Asset Value.............          37
  Organization of the Trust....................          37
  Shareholder Reports..........................          38
  Shareholder Inquiries........................          39
Authorization Form.............................          41
                                        Code # 16148 -- 1094
</TABLE>
    

        [LOGO]
  Merrill Lynch
  Massachusetts
  Municipal Bond
  Fund
    Merrill Lynch Multi-State
    Municipal Series Trust
   
   PROSPECTUS
    October 21, 1994
    Distributor:
    Merrill Lynch
    Funds Distributor, Inc.
    This prospectus should be
    retained for future reference.
    
<PAGE>
STATEMENT OF ADDITIONAL INFORMATION

   
                MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
   P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011--PHONE NO. (609) 282-2800
    
                              -------------------

    Merrill  Lynch Massachusetts Municipal Bond Fund (the "Fund") is a series of
Merrill Lynch  Multi-State Municipal  Series Trust  (the "Trust"),  an  open-end
management  investment company organized as  a Massachusetts business trust. The
investment objective of the Fund is to provide shareholders with as high a level
of income exempt  from Federal  and Massachusetts  personal income  taxes as  is
consistent  with prudent investment management. The  Fund invests primarily in a
non-diversified portfolio of long-term investment grade obligations the interest
on which is exempt from Federal and Massachusetts income taxes in the opinion of
bond counsel to the  issuer ("Massachusetts Municipal Bonds").  There can be  no
assurance that the investment objective of the Fund will be realized.

   
    Pursuant  to the  Merrill Lynch Select  Pricing-SM- System,  the Fund offers
four classes  of shares  each with  a different  combination of  sales  charges,
ongoing  fees and  other features. The  Merrill Lynch  Select Pricing-SM- System
permits an investor to choose the method of purchasing shares that the  investor
believes is most beneficial given the amount of the purchase, the length of time
the investor expects to hold the shares and other relevant circumstances.
    
                              -------------------

   
    The  Statement of Additional Information of the Fund is not a prospectus and
should be read in conjunction with the prospectus of the Fund, dated October 21,
1994 (the "Prospectus"), which has been  filed with the Securities and  Exchange
Commission  and can be  obtained, without charge,  by calling or  by writing the
Fund at the  above telephone  number or  address. This  Statement of  Additional
Information  has been incorporated by reference into the Prospectus. Capitalized
terms used but not defined herein have the same meanings as in the Prospectus.
    
                              -------------------
   
                         FUND ASSET MANAGEMENT--MANAGER
               MERRILL LYNCH FUNDS DISTRIBUTOR, INC.--DISTRIBUTOR
    
                                 --------------

   
   The date of this Statement of Additional Information is October 21, 1994.
    
<PAGE>
                       INVESTMENT OBJECTIVE AND POLICIES

    The investment objective of the Fund is to provide shareholders with as high
a level of income exempt from Federal and Massachusetts personal income taxes as
is  consistent with prudent investment management. The Fund seeks to achieve its
objective by investing primarily in a portfolio of long-term obligations  issued
by   or  on  behalf   of  The  Commonwealth   of  Massachusetts,  its  political
subdivisions, agencies and instrumentalities and obligations of other qualifying
issuers, such as issuers  located in Puerto Rico,  the Virgin Islands and  Guam,
which  pay interest exempt, in  the opinion of bond  counsel to the issuer, from
Federal and Massachusetts personal income taxes. Obligations exempt from Federal
income taxes are referred to herein as "Municipal Bonds" and obligations  exempt
from   both  Federal  and   Massachusetts  income  taxes   are  referred  to  as
"Massachusetts Municipal  Bonds".  Unless  otherwise  indicated,  references  to
Municipal  Bonds shall be  deemed to include  Massachusetts Municipal Bonds. The
Fund anticipates that at all  times, except during temporary defensive  periods,
it  will maintain  at least  65% of its  total assets  invested in Massachusetts
Municipal Bonds. At times, the Fund will seek to hedge its portfolio through the
use of futures transactions to reduce volatility in the net asset value of  Fund
shares.  Reference  is  made  to  "Investment  Objective  and  Policies"  in the
Prospectus for a  discussion of  the investment  objective and  policies of  the
Fund.

   
    Municipal  Bonds may include  general obligation bonds of  the State and its
political subdivisions,  revenue bonds  to  finance utility  systems,  highways,
bridges,  port and airport facilities,  colleges, hospitals, housing facilities,
etc., and industrial development bonds  or private activity bonds. The  interest
on  such  obligations may  bear a  fixed rate  or  be payable  at a  variable or
floating rate. The Municipal Bonds purchased by the Fund will be primarily  what
are commonly referred to as "investment grade" securities, which are obligations
rated  at  the time  of  purchase within  the  four highest  quality  ratings as
determined by either Moody's Investors Service, Inc. ("Moody's") (currently Aaa,
Aa, A and Baa), Standard & Poor's Ratings Group ("Standard & Poor's") (currently
AAA, AA, A and BBB) or  Fitch Investors Service, Inc. ("Fitch") (currently  AAA,
AA,  A  and  BBB). If  unrated,  such securities  will  possess creditworthiness
comparable, in the opinion  of the manager of  the Fund, Fund Asset  Management,
L.P. (the "Manager"), to other obligations in which the Fund may invest.
    

    The  Fund ordinarily does not intend to realize investment income not exempt
from Federal  and  Massachusetts  income  taxes. However,  to  the  extent  that
suitable  Massachusetts Municipal Bonds are not  available for investment by the
Fund, the  Fund may  purchase  Municipal Bonds  issued  by other  states,  their
agencies  and instrumentalities, the interest income  on which is exempt, in the
opinion of  bond counsel,  from  Federal but  not Massachusetts  taxation  (such
obligations  being referred to  herein as "Municipal Bonds").  The Fund also may
invest in securities not issued by or on behalf of a state or territory or by an
agency or  instrumentality  thereof,  if the  Fund  nevertheless  believes  such
securities  to be exempt from Federal income taxation ("Non-Municipal Tax-Exempt
Securities"). Non-Municipal Tax-Exempt Securities may include securities  issued
by  other investment  companies that  invest in  municipal bonds,  to the extent
permitted by  applicable law.  Other Non-Municipal  Tax-Exempt Securities  could
include  trust certificates or other instruments  evidencing interests in one or
more long-term municipal securities.

    Except when  acceptable  securities are  unavailable  as determined  by  the
Manager,  the Fund, under normal circumstances, will  invest at least 65% of its
total assets  in Massachusetts  Municipal  Bonds. For  temporary periods  or  to
provide  liquidity, the Fund has  the authority to invest as  much as 35% of its
assets in tax-exempt or taxable money market obligations with a maturity of  one
year or less (such short-term

                                       2
<PAGE>
obligations  being referred to  herein as "Temporary  Investments"), except that
taxable Temporary Investments shall not exceed 20% of the Fund's net assets. The
Fund at  all  times will  have  at  least 80%  of  its net  assets  invested  in
securities  exempt from Federal  income taxation. However,  interest received on
certain  otherwise  tax-exempt  securities  which  are  classified  as  "private
activity bonds" (in general bonds that benefit non-governmental entities) may be
subject  to  an alternative  minimum  tax. The  Fund  may purchase  such private
activity bonds. See "Distributions  and Taxes". In  addition, the Fund  reserves
the  right to invest  temporarily a greater  portion of its  assets in Temporary
Investments for defensive purposes, when, in the judgment of the Manager, market
conditions warrant.  The investment  objective of  the Fund  set forth  in  this
paragraph is a fundamental policy of the Fund which may not be changed without a
vote  of a majority  of the outstanding  shares of the  Fund. The Fund's hedging
strategies are not fundamental policies and  may be modified by the Trustees  of
the Trust without the approval of the Fund's shareholders.

    Municipal  Bonds may  at times  be purchased or  sold on  a delayed delivery
basis or  a when-issued  basis.  These transactions  arise when  securities  are
purchased  or sold  by the Fund  with payment  and delivery taking  place in the
future, often a month or more after the purchase. The payment obligation and the
interest rate are each fixed at the  time the buyer enters into the  commitment.
The  Fund  will  make only  commitments  to  purchase such  securities  with the
intention of actually  acquiring the  securities, but  the Fund  may sell  these
securities  prior to the  settlement date if it  is deemed advisable. Purchasing
Municipal Bonds and  Municipal Bonds on  a when-issued basis  involves the  risk
that  the  yields available  in the  market  when the  delivery takes  place may
actually be higher than those obtained  in the transaction itself; if yields  so
increase,  the value of the when-issued obligations generally will decrease. The
Fund will maintain a separate account at its custodian bank consisting of  cash,
cash  equivalents or high-grade, liquid Municipal Bonds or Temporary Investments
(valued on a daily basis)  equal at all times to  the amount of the  when-issued
commitment.

   
    The  Fund may invest  in Municipal Bonds the  return on which  is based on a
particular index of value or interest rates. For example, the Fund may invest in
Municipal Bonds that pay interest based  on an index of Municipal Bond  interest
rates  or based  on the  value of  gold or  some other  commodity. The principal
amount payable upon maturity of certain Municipal Bonds also may be based on the
value of an index. To  the extent the Fund invests  in these types of  Municipal
Bonds,  the Fund's return on  such Municipal Bonds will  be subject to risk with
respect to  the value  of  a particular  index. Also,  the  Fund may  invest  in
so-called  "inverse floating obligations" or  "residual interest bonds" on which
the interest rates typically  decline as market rates  increase and increase  as
market rates decline. For example, to the extent the Fund invests in these types
of Municipal Bonds, the Fund's return on such Municipal Bonds will be subject to
risk with respect to the value of the particular index. Such securities have the
effect  of providing a degree of investment leverage, since they may increase or
decrease in value in response to changes, as an illustration, in market interest
rates as  a rate  which is  a  multiple (typically  two) of  the rate  at  which
fixed-rate  long-term tax exempt securities increase  or decrease in response to
such changes. As a result, the  market values of such securities will  generally
be  more volatile than the market values of fixed-rate tax exempt securities. To
seek to limit the volatility of these securities, the Fund may purchase  inverse
floating  obligations with shorter term  maturities or which contain limitations
on the extent to  which the interest  rate may vary.  The Manager believes  that
indexed   and  inverse  floating  obligations  represent  a  flexible  portfolio
management instrument for the Fund which  allows the Manager to vary the  degree
of investment leverage relatively efficiently under different market conditions.
Certain investments in such obligations may be illiquid. The Fund may not invest
in  such illiquid obligations if such  investments, together with other illiquid
investments, would exceed 15% of the Fund's net assets.
    

                                       3
<PAGE>
    The Fund may  purchase a  Municipal Bond  issuer's right  to call  all or  a
portion  of  such Municipal  Bond  for mandatory  tender  for purchase  (a "Call
Right"). A holder of a Call Right may exercise such right to require a mandatory
tender  for  the  purchase  of  related  Municipal  Bonds,  subject  to  certain
conditions.  A Call  Right that is  not exercised  prior to the  maturity of the
related Municipal Bond will expire without value. The economic effect to holding
both the Call Right  and the related  Municipal Bond is  identical to holding  a
Municipal   Bond  as  a  non-callable  security.  Certain  investments  in  such
obligations  may  be  illiquid.  The  Fund  may  not  invest  in  such  illiquid
obligations if such investments, together with other illiquid investments, would
exceed 15% of the Fund's net assets.

    The  Fund may invest up to 20% of  its total assets in Municipal Bonds which
are rated below Baa  by Moody's or below  BBB by Standard &  Poor's or Fitch  or
which,  in the Manager's judgment, possess similar credit characteristics ("high
yield securities").  See  Appendix  II  --  "Ratings  of  Municipal  Bonds"  for
additional  information  regarding  ratings  of  debt  securities.  The  Manager
considers the ratings assigned by Standard & Poor's, Moody's or Fitch as one  of
several factors in its independent credit analysis of issuers.

    High yield securities are considered by Standard & Poor's, Moody's and Fitch
to  have varying degrees of  speculative characteristics. Consequently, although
high yield securities can be expected to provide higher yields, such  securities
may  be  subject  to greater  market  price  fluctuations and  risk  of  loss of
principal than lower yielding, higher rated debt securities. Investments in high
yield securities will be made  only when, in the  judgment of the Manager,  such
securities  provide attractive  total return potential  relative to  the risk of
such securities,  as  compared  to  higher quality  debt  securities.  The  Fund
generally  will not  invest in debt  securities in the  lowest rating categories
(those rated  CC or  lower by  Standard &  Poor's or  Fitch or  Ca or  lower  by
Moody's)  unless the Manager believes that the financial condition of the issuer
or the  protection afforded  the particular  securities is  stronger than  would
otherwise be indicated by such low ratings.

    Issuers or obligors of high yield securities may be highly leveraged and may
not have available to them more traditional methods of financing. Therefore, the
risks  associated  with acquiring  the securities  of  such issuers  or obligors
generally are  greater  than is  the  case  with higher  rated  securities.  For
example,  during an economic  downturn or a sustained  period of rising interest
rates, issuers  or obligors  of high  yield  securities may  be more  likely  to
experience  financial stress, especially if such  issuers or obligors are highly
leveraged. In  addition,  the market  for  high yield  municipal  securities  is
relatively  new and  has not  weathered a  major economic  recession, and  it is
unknown what effects such a recession might have on such securities. During such
periods, such issuers may  not have sufficient revenues  to meet their  interest
payment  obligations. The issuer's ability to  service its debt obligations also
may be  adversely affected  by  specific issuer  developments, or  the  issuer's
inability  to meet specific projected  business forecasts, or the unavailability
of additional  financing. The  risk of  loss due  to default  by the  issuer  is
significantly  greater for  the holders  of high  yield securities  because such
securities may be unsecured  and may be subordinated  to other creditors of  the
issuer.

    High yield securities frequently have call or redemption features that would
permit  an  issuer to  repurchase the  security from  the Fund.  If a  call were
exercised by the issuer  during a period of  declining interest rates, the  Fund
likely  would  have  to  replace  such called  security  with  a  lower yielding
security, thus decreasing the net investment income to the Fund and dividends to
shareholders.

    The Fund  may have  difficulty disposing  of certain  high yield  securities
because  there may be a thin trading market for such securities. Because not all
dealers maintain markets in all high  yield securities, there is no  established
secondary  market for  many of these  securities, and the  Fund anticipates that
such securities

                                       4
<PAGE>
could be sold only to a limited number of dealers or institutional investors. To
the extent that a secondary trading market for high yield securities does exist,
it generally  is  not  as  liquid  as the  secondary  market  for  higher  rated
securities.  Reduced secondary  market liquidity may  have an  adverse impact on
market price  and  the Fund's  ability  to  dispose of  particular  issues  when
necessary  to  meet the  Fund's liquidity  needs  or in  response to  a specific
economic event such as  a deterioration in the  creditworthiness of the  issuer.
Reduced  secondary market liquidity for certain securities also may make it more
difficult for the  Fund to  obtain accurate  market quotations  for purposes  of
valuing  the Fund's portfolio. Market quotations generally are available on many
high yield  securities  only  from a  limited  number  of dealers  and  may  not
necessarily represent firm bids of such dealers or prices for actual sales.

    It  is  expected that  a significant  portion of  the high  yield securities
acquired by the Fund will be purchased upon issuance, which may involve  special
risks  because the securities so acquired are  new issues. In such instances the
Fund may  be  a  substantial purchaser  of  the  issue and  therefore  have  the
opportunity  to participate in  structuring the terms  of the offering. Although
this may enable  the Fund  to seek  to protect  itself against  certain of  such
risks, the considerations discussed herein would nevertheless remain applicable.

    Adverse  publicity  and  investor perceptions,  which  may not  be  based on
fundamental analysis, also may  decrease the value and  liquidity of high  yield
securities,  particularly in a thinly traded market. Factors adversely affecting
the market value  of high yield  securities are likely  to adversely affect  the
Fund's  net asset value. In addition, the  Fund may incur additional expenses to
the extent that it is  required to seek recovery upon  a default on a  portfolio
holding or participate in the restructuring of the obligation.

                                 DESCRIPTION OF
                   MUNICIPAL BONDS AND TEMPORARY INVESTMENTS

    Set  forth  below is  a  description of  the  Municipal Bonds  and Temporary
Investments in which the Fund may invest. A more complete discussion  concerning
futures  and options transactions  is set forth  under "Investment Objective and
Policies" in the  Prospectus. Information  with respect to  ratings assigned  to
tax-exempt  obligations which the Fund may purchase  is set forth in Appendix II
to this Statement of Additional Information.

DESCRIPTION OF MUNICIPAL BONDS

    Municipal Bonds include debt obligations issued to obtain funds for  various
public  purposes, including construction  of a wide  range of public facilities,
refunding of outstanding obligations and  obtaining funds for general  operating
expenses  and loans  to other public  institutions and  facilities. In addition,
certain types  of industrial  development bonds  or private  activity bonds  are
issued  by or on behalf of public authorities to finance various privately owned
or operated facilities, including pollution control facilities. Such obligations
are included within the term Municipal Bonds if the interest paid thereon is, in
the opinion of bond counsel, excluded  from gross income for Federal income  tax
purposes  and,  in  the  case  of  Massachusetts  Municipal  Bonds,  exempt from
Massachusetts personal income taxes. Other types of industrial development bonds
or private activity bonds, the proceeds of which are used for the  construction,
equipment   or  improvement  of  privately  operated  industrial  or  commercial
facilities, may constitute  Municipal Bonds,  although the  current Federal  tax
laws place substantial limitations on the size of such issues.

    The   two  principal   classifications  of  Municipal   Bonds  are  "general
obligation" bonds and "revenue" bonds.  General obligation bonds are secured  by
the   issuer's   pledge   of   faith,   credit   and   taxing   power   for  the

                                       5
<PAGE>
payment of  principal and  interest. Revenue  bonds are  payable only  from  the
revenues  derived from a particular facility or  class of facilities or, in some
cases, from the proceeds of a special  or limited tax or other specific  revenue
source such as payments from the user of the facility being financed. Industrial
development  bonds or private activity bonds are in most cases revenue bonds and
generally do not  constitute the pledge  of the  credit or taxing  power of  the
issuer of such bonds. Generally, the payment of the principal of and interest on
such bonds depends solely on the ability of the user of the facility financed by
the  bonds to meet its financial obligations and the pledge, if any, of real and
personal property so  financed as security  for such payment,  unless a line  of
credit,  bond insurance or other  security is furnished. The  Fund may invest in
Municipal Bonds  that are  so-called  "moral obligation"  bonds. Under  a  moral
obligation  bond, if the issuer  thereof is unable to  meet its obligations, the
repayment of the bond becomes a moral commitment, but not a legal obligation, of
the state or municipality in question.

    Also  included  within   the  general  category   of  Municipal  Bonds   are
participation  certificates  issued  by government  authorities  or  entities to
finance the acquisition  or construction of  equipment, land and/or  facilities.
The  certificates represent participations  in a lease,  an installment purchase
contract or a conditional sales contract (hereinafter collectively called "lease
obligations") relating to  such equipment,  land or  facilities. Although  lease
obligations  do not constitute  general obligations of the  issuer for which the
issuer's unlimited taxing  power is  pledged, a lease  obligation is  frequently
backed by the issuer's covenant to budget for, appropriate and make the payments
due  under the lease obligation. Certain investments in lease obligations may be
illiquid. The  Fund  may  not  invest in  illiquid  lease  obligations  if  such
investments,  together with all other illiquid  investments, would exceed 10% of
the Fund's net  assets. The  Fund may, however,  invest without  regard to  such
limitation  in lease obligations  which the Manager,  pursuant to the guidelines
which have been adopted by the Board of Trustees and subject to the  supervision
of  the Board of Trustees, determines to  be liquid. The Manager will deem lease
obligations liquid if they are publicly offered and have received an  investment
grade  rating of Baa or better by Moody's, or BBB or better by Standard & Poor's
or Fitch. Unrated lease obligations, or those rated below investment grade, will
be  considered  liquid  if  the  obligations  come  to  the  market  through  an
underwritten  public  offering and  at  least two  dealers  are willing  to give
competitive bids. In  reference to  the latter,  the Manager  must, among  other
things,  also review the creditworthiness of  the municipality obligated to make
payment under the  lease obligation  and make  certain specified  determinations
based on such factors as the existence of a rating or credit enhancement such as
insurance,  the  frequency  of  trades  or quotes  for  the  obligation  and the
willingness of dealers to make a market in the obligation.

    Yields on Municipal Bonds are dependent  on a variety of factors,  including
the  general condition of the money market and of the municipal bond market, the
size of  a particular  offering,  the financial  condition  of the  issuer,  the
general conditions of the Municipal Bond market, the maturity of the obligation,
and  the rating of the issue. The ability  of the Fund to achieve its investment
objective is also  dependent on  the continuing ability  of the  issuers of  the
bonds  in which the  Fund invests to  meet their obligations  for the payment of
interest and principal when due. There  are variations in the risks involved  in
holding  Municipal Bonds,  both within  a particular  classification and between
classifications, depending  on  numerous  factors. Furthermore,  the  rights  of
owners  of Municipal Bonds and  the obligations of the  issuer of such Municipal
Bonds may be subject to applicable  bankruptcy, insolvency and similar laws  and
court  decisions  affecting the  rights of  creditors  generally and  to general
equitable principles, which may limit the enforcement of certain remedies.

                                       6
<PAGE>
DESCRIPTION OF TEMPORARY INVESTMENTS

    The Fund may invest in short-term tax-free and taxable securities subject to
the limitations  set  forth  under  "Investment  Objective  and  Policies".  The
tax-exempt  money  market  securities  may  include  municipal  notes, municipal
commercial paper, municipal bonds with remaining maturity of less than one year,
variable rate demand notes and  participations therein. Municipal notes  include
tax  anticipation notes, bond  anticipation notes and  grant anticipation notes.
Anticipation notes  are  sold  as  interim  financing  in  anticipation  of  tax
collection,  bond  sales,  government  grants  or  revenue  receipts.  Municipal
commercial paper  refers  to  short-term unsecured  promissory  notes  generally
issued  to finance short-term credit needs.  The taxable money market securities
in which the Fund may invest as Temporary Investments consist of U.S. Government
securities,  U.S.  Government  agency  securities,  domestic  bank  or   savings
institution   certificates  of  deposit  and  bankers'  acceptances,  short-term
corporate debt securities such as  commercial paper, and repurchase  agreements.
These  Temporary Investments must  have a stated  maturity not in  excess of one
year from the date of purchase.

    Variable rate demand obligations ("VRDOs") are tax-exempt obligations  which
contain  a  floating  or  variable  interest  rate  adjustment  formula  and  an
unconditional right  of demand  on the  part of  the holder  thereof to  receive
payment  of  the unpaid  principal balance  plus accrued  interest upon  a short
notice period not to exceed seven days. There is, however, the possibility  that
because  of default or insolvency the  demand feature of VRDOs and Participating
VRDOs, described below, may not be honored. The interest rates are adjustable at
intervals (ranging from daily to up to one year) to some prevailing market  rate
for  similar investments, such  adjustment formula being  calculated to maintain
the market value of the VRDO at approximately the par value of the VRDOs on  the
adjustment  date. The adjustments typically are set  at a rate determined by the
remarketing agent  or  based  upon the  prime  rate  of a  bank  or  some  other
appropriate  interest rate adjustment index. The Fund may invest in all types of
tax-exempt instruments currently outstanding or to be issued in the future which
satisfy the short-term maturity and quality standards of the Fund.

    The Fund also  may invest in  VRDOs in the  form of participation  interests
("Participating  VRDOs")  in  variable  rate tax-exempt  obligations  held  by a
financial institution, typically a commercial bank. Participating VRDOs  provide
the  Fund with  a specified  undivided interest (up  to 100%)  of the underlying
obligation and the right to demand payment of the unpaid principal balance  plus
accrued  interest on the Participating VRDOs from the financial institution upon
a specified number of  days' notice, not  to exceed seven  days. In addition,  a
Participating  VRDO is backed by an irrevocable  letter of credit or guaranty of
the financial institution.  The Fund  would have  an undivided  interest in  the
underlying  obligation and thus  participate on the same  basis as the financial
institution in such obligation except  that the financial institution  typically
retains  fees  out of  the interest  paid  on the  obligation for  servicing the
obligation,  providing  the  letter  of   credit  and  issuing  the   repurchase
commitment.  The Fund has  been advised by  its counsel that  the Fund should be
entitled to treat the  income received on Participating  VRDOs as interest  from
tax-exempt obligations.

    VRDOs  that contain an  unconditional right of demand  to receive payment of
the unpaid principal balance plus accrued interest on a notice period  exceeding
seven  days may be deemed to be illiquid securities. A VRDO with a demand notice
period exceeding seven days will therefore be subject to the Fund's  restriction
on  illiquid investments unless, in  the judgment of the  Trustees, such VRDO is
liquid. The

                                       7
<PAGE>
Trustees may adopt guidelines and delegate to the Manager the daily function  of
determining  and monitoring liquidity of such VRDOs. The Trustees, however, will
retain  sufficient  oversight  and  will  be  ultimately  responsible  for  such
determination.

    The  Trust has  established the  following standards  with respect  to money
market securities  and  VRDOs  in  which  the  Fund  invests.  Commercial  paper
investments  at  the time  of  purchase must  be  rated "A-1"  through  "A-3" by
Standard & Poor's, "Prime-1" through "Prime-3" by Moody's or "F-1" through "F-3"
by Fitch or, if not rated, issued by companies having an outstanding debt  issue
rated  at  least "A"  by Standard  &  Poor's, Fitch  or Moody's.  Investments in
corporate bonds  and debentures  (which  must have  maturities  at the  date  of
purchase of one year or less) must be rated at the time of purchase at least "A"
by  Standard & Poor's, Moody's or Fitch. Notes and VRDOs at the time of purchase
must be  rated SP-1/A-1  through  SP-2/A-3 by  Standard &  Poor's,  MIG-l/VMIG-1
through  MIG-4/VMIG-4  by  Moody's  or  F-1  through  F-3  by  Fitch.  Temporary
Investments, if not rated, must be of comparable quality to securities rated  in
the  above rating  categories in the  opinion of  the Manager. The  Fund may not
invest in any  security issued  by a commercial  bank or  a savings  institution
unless  the bank or institution is organized and operating in the United States,
has total assets of at least one billion dollars and is a member of the  Federal
Deposit  Insurance Corporation ("FDIC"),  except that up to  10% of total assets
may be  invested  in certificates  of  deposit  of small  institutions  if  such
certificates are fully insured by the FDIC.

   
REPURCHASE AGREEMENTS
    

   
    The  Fund  may  invest  in  securities  pursuant  to  repurchase agreements.
Repurchase agreements may be entered into only with a member bank of the Federal
Reserve System or primary dealer in  U.S. Government securities or an  affiliate
thereof.  Under  such  agreements, the  seller  agrees, upon  entering  into the
contract, to repurchase the security at  a mutually agreed upon time and  price,
thereby  determining the yield during the term of the agreement. This results in
a fixed rate of return insulated from market fluctuations during such period. In
the case of repurchase agreements, the prices at which the trades are  conducted
do  not reflect accrued interest on  the underlying obligations. Such agreements
usually cover short periods, such as  under one week. Repurchase agreements  may
be  construed to be collateralized loans by  the purchaser to the seller secured
by the securities  transferred to  the purchaser. In  the case  of a  repurchase
agreement,  the Fund will require the seller to provide additional collateral if
the market value of the securities falls below the repurchase price at any  time
during the term of the repurchase agreement; the Fund does not have the right to
seek  additional collateral in the  case of purchase and  sale contracts. In the
event of default by the  seller under a repurchase  agreement construed to be  a
collateralized  loan, the  underlying securities are  not owned by  the Fund but
only constitute collateral  for the  seller's obligation to  pay the  repurchase
price.  Therefore, the Fund may  suffer time delays and  incur costs or possible
losses in connection with the disposition of  the collateral. In the event of  a
default under such a repurchase agreement, instead of the contractual fixed rate
of  return,  the  rate  of  return  to  the  Fund  will  depend  on  intervening
fluctuations of the market  value of such security  and the accrued interest  on
the  security. In such event, the Fund  would have rights against the seller for
breach of contract with respect to  any losses arising from market  fluctuations
following  the failure  of the  seller to  perform. The  Fund may  not invest in
repurchase agreements  maturing in  more than  seven days  if such  investments,
together with all other illiquid investments, would exceed 10% of the Fund's net
assets.
    

                                       8
<PAGE>
   
    In  general,  for Federal  income  tax purposes,  repurchase  agreements are
treated as collateralized  loans secured  by the  securities "sold".  Therefore,
amounts earned under such agreements will not be considered tax-exempt interest.
However,  it  is likely  that income  from  such arrangements  also will  not be
considered tax-exempt interest.
    

FINANCIAL FUTURES TRANSACTIONS AND OPTIONS

    Reference is made  to the discussion  concerning futures transactions  under
"Investment  Objective  and  Policies" in  the  Prospectus. Set  forth  below is
additional information concerning these transactions.

    As described in  the Prospectus,  the Fund  may purchase  and sell  exchange
traded  financial futures contracts ("financial futures contracts") to hedge its
portfolio of Municipal Bonds  against declines in the  value of such  securities
and  to hedge against  increases in the  cost of securities  the Fund intends to
purchase. However, any transactions involving financial futures or options  will
be  in accordance with the Fund's  investment policies and limitations. To hedge
its portfolio, the Fund  may take an investment  position in a futures  contract
which  will move  in the  opposite direction  from the  portfolio position being
hedged. While  the Fund's  use of  hedging strategies  is intended  to  moderate
capital  changes in portfolio holdings and  thereby reduce the volatility of the
net asset value of Fund  shares, the Fund anticipates  that its net asset  value
will fluctuate. Set forth below is information concerning futures transactions.

    DESCRIPTION OF FUTURES CONTRACTS. A futures contract is an agreement between
two parties to buy and sell a security, or in the case of an index-based futures
contract, to make and accept a cash settlement for a set price on a future date.
A  majority of transactions in futures contracts,  however, do not result in the
actual delivery of the underlying instrument or cash settlement, but are settled
through liquidation, i.e., by entering  into an offsetting transaction.  Futures
contracts  have  been designed  by boards  of trade  which have  been designated
"contracts markets" by the Commodity Futures Trading Commission ("CFTC").

    The purchase or sale of a futures contract differs from the purchase or sale
of a security  in that  no price  or premium is  paid or  received. Instead,  an
amount  of cash or securities acceptable to the broker and the relevant contract
market, which varies, but is generally about 5% of the contract amount, must  be
deposited  with  the  broker.  This  amount is  known  as  "initial  margin" and
represents a "good faith" deposit assuring the performance of both the purchaser
and seller  under the  futures contract.  Subsequent payments  to and  from  the
broker,  called "variation margin", are required to  be made on a daily basis as
the price of the futures contract fluctuates making the long and short positions
in the futures contract more or less  valuable, a process known as "mark to  the
market".  At any time prior to the  settlement date of the futures contract, the
position may be closed out by taking an opposite position which will operate  to
terminate  the  position  in  the futures  contract.  A  final  determination of
variation margin is  then made, additional  cash is  required to be  paid to  or
released  by the broker, and the purchaser realizes a loss or gain. In addition,
a nominal commission is paid on each completed sale transaction.

    The Fund  may deal  in  financial futures  contracts  based on  a  long-term
municipal  bond index developed  by the Chicago  Board of Trade  ("CBT") and The
Bond Buyer (the "Municipal Bond Index").  The Municipal Bond Index is  comprised
of  40 tax-exempt  municipal revenue  and general  obligations bonds.  Each bond
included in the Municipal  Bond Index must  be rated A or  higher by Moody's  or
Standard & Poor's and must

                                       9
<PAGE>
have  a  remaining  maturity of  19  years or  more.  Twice a  month  new issues
satisfying the eligibility requirements are added to, and an equal number of old
issues are deleted from,  the Municipal Bond Index.  The value of the  Municipal
Bond  Index is computed daily according to a  formula based on the price of each
bond in the Municipal Bond Index, as evaluated by six dealer-to-dealer brokers.

    The Municipal Bond Index  futures contract is traded  only on the CBT.  Like
other  contract  markets, the  CBT assures  performance under  futures contracts
through a clearing corporation, a nonprofit organization managed by the exchange
membership which also is responsible  for handling daily accounting of  deposits
or withdrawals of margin.

    As  described in  the Prospectus, the  Fund may purchase  and sell financial
futures contracts  on U.S.  Government  securities as  a hedge  against  adverse
changes  in interest rates  as described below. With  respect to U.S. Government
securities, currently there are financial  futures contracts based on  long-term
U.S.  Treasury bonds,  Treasury notes, Government  National Mortgage Association
("GNMA") Certificates and three-month U.S. Treasury bills. The Fund may purchase
and write  call  and  put  options  on  futures  contracts  on  U.S.  Government
securities in connection with its hedging strategies.

    Subject  to policies adopted  by the Trustees,  the Fund also  may engage in
other  futures  contracts  transactions  such  as  futures  contracts  on  other
municipal  bond  indices  which may  become  available  if the  Manager  and the
Trustees should  determine  that  there is  normally  a  sufficient  correlation
between  the prices of such  futures contracts and the  Municipal Bonds in which
the Fund invests to make such hedging appropriate.

    FUTURES STRATEGIES. The Fund  may sell a  financial futures contract  (i.e.,
assume  a  short position)  in anticipation  of a  decline in  the value  of its
investments in Municipal Bonds resulting from  an increase in interest rates  or
otherwise.  The risk of decline could be  reduced without employing futures as a
hedge by selling  such Municipal Bonds  and either reinvesting  the proceeds  in
securities  with shorter maturities or by holding assets in cash. This strategy,
however, entails increased transaction costs in  the form of dealer spreads  and
typically would reduce the average yield of the Fund's portfolio securities as a
result  of the shortening of maturities.  The sale of futures contracts provides
an alternative means of hedging against declines in the value of its investments
in Municipal Bonds. As such values decline, the value of the Fund's positions in
the futures contracts will tend to increase, thus offsetting all or a portion of
the depreciation in the  market value of the  Fund's Municipal Bond  investments
which are being hedged. While the Fund will incur commission expenses in selling
and closing out futures positions, commissions on futures transactions are lower
than  transaction costs incurred in the purchase and sale of Municipal Bonds. In
addition, the  ability  of the  Fund  to  trade in  the  standardized  contracts
available  in the futures markets may  offer a more effective defensive position
than a program to reduce the average maturity of the portfolio securities due to
the unique and varied credit and technical characteristics of the municipal debt
instruments available to the Fund. Employing futures as a hedge also may  permit
the  Fund  to assume  a  defensive posture  without  reducing the  yield  on its
investments beyond any amounts required to engage in futures trading.

    When the Fund  intends to purchase  Municipal Bonds, the  Fund may  purchase
futures  contracts as a hedge against any increase in the cost of such Municipal
Bonds, resulting from an increase in interest rates or otherwise, that may occur
before such purchases  can be  effected. Subject  to the  degree of  correlation
between  the Municipal Bonds and the  futures contracts, subsequent increases in
the cost of Municipal Bonds should be reflected in the value of the futures held
by   the    Fund.    As    such    purchases    are    made,    an    equivalent

                                       10
<PAGE>
amount  of  futures  contracts  will  be  closed  out.  Due  to  changing market
conditions and  interest rate  forecasts,  however, a  futures position  may  be
terminated without a corresponding purchase of portfolio securities.

    CALL  OPTIONS  ON FUTURES  CONTRACTS. The  Fund also  may purchase  and sell
exchange traded call  and put  options on  financial futures  contracts on  U.S.
Government  securities. The purchase of  a call option on  a futures contract is
analogous to the purchase of a call option on an individual security.  Depending
on the pricing of the option compared to either the futures contract on which it
is  based, or on the price of the  underlying debt securities, it may or may not
be less  risky  than  ownership  of the  futures  contract  or  underlying  debt
securities.  Like the purchase of  a futures contract, the  Fund will purchase a
call option on a  futures contract to  hedge against a  market advance when  the
Fund is not fully invested.

    The  writing of a  call option on  a futures contract  constitutes a partial
hedge against  declining prices  of the  securities which  are deliverable  upon
exercise  of the futures contract.  If the futures price  at expiration is below
the exercise price, the Fund will retain  the full amount of the option  premium
which provides a partial hedge against any decline that may have occurred in the
Fund's portfolio holdings.

    PUT  OPTIONS  ON FUTURES  CONTRACTS. The  purchase of  options on  a futures
contract is analogous  to the purchase  of protective put  options on  portfolio
securities. The Fund will purchase put options on futures contracts to hedge the
Fund's portfolio against the risk of rising interest rates.

    The  writing of  a put  option on a  futures contract  constitutes a partial
hedge against increasing  prices of  the securities which  are deliverable  upon
exercise  of the futures contract. If the  futures price at expiration is higher
than the exercise  price, the Fund  will retain  the full amount  of the  option
premium  which provides  a partial  hedge against any  increase in  the price of
Municipal Bonds which the Fund intends to purchase.

    The writer of an option on a futures contract is required to deposit initial
and variation margin  pursuant to  requirements similar to  those applicable  to
futures  contracts.  Premiums received  from the  writing of  an option  will be
included in  initial margin.  The writing  of an  option on  a futures  contract
involves risks similar to those relating to futures contracts.

    The  Trust has received an order from the Securities and Exchange Commission
("Commission") exempting it  from the  provisions of Section  17(f) and  Section
18(f)  of the  Investment Company Act  of 1940,  as amended (the  "1940 Act") in
connection with its strategy  of investing in  futures contracts. Section  17(f)
relates  to the custody of securities and  other assets of an investment company
and may  be  deemed to  prohibit  certain  arrangements between  the  Trust  and
commodities  brokers with respect to initial and variation margin. Section 18(f)
of the 1940 Act prohibits an open-end investment company such as the Trust  from
issuing a "senior security" other than a borrowing from a bank. The staff of the
Commission  has in the past  indicated that a futures  contract may be a "senior
security" under the 1940 Act.

    RESTRICTIONS ON  USE  OF  FUTURES  TRANSACTIONS.  Regulations  of  the  CFTC
applicable  to  the Fund  require that  all of  the Fund's  futures transactions
constitute bona fide hedging  transactions and that the  Fund purchase and  sell
futures  contracts and options  thereon (i) for bona  fide hedging purposes, and
(ii) for  non-hedging purposes,  if the  aggregate initial  margin and  premiums
required to establish positions in such contracts and options does not exceed 5%
of   the  liquidation  value  of  the   Fund's  portfolio  assets  after  taking

                                       11
<PAGE>
into account unrealized profits and unrealized losses on any such contracts  and
options.   (However,  the  Fund  intends  to   engage  in  options  and  futures
transactions only for hedging purposes.) Margin deposits may consist of cash  or
securities acceptable to the broker and the relevant contract market.

    When  the Fund  purchases futures  contracts or  a call  option with respect
thereto or writes a put  option on a futures contract,  an amount of cash,  cash
equivalents or short-term, high-grade, fixed income securities will be deposited
in  a  segregated  account with  the  Fund's  custodian so  that  the  amount so
segregated, plus the amount of initial and variation margin held in the  account
of its broker, equals the market value of the futures contract, thereby ensuring
that the use of such futures is unleveraged.

    RISK  FACTORS  IN FUTURES  TRANSACTIONS AND  OPTIONS. Investment  in futures
contracts involves the risk  of imperfect correlation  between movements in  the
price  of the futures contract  and the price of  the security being hedged. The
hedge will not be  fully effective when there  is imperfect correlation  between
the  movements in the prices  of two financial instruments.  For example, if the
price of the futures contract moves more than the price of the hedged  security,
the  Fund will experience either a loss or gain on the futures contract which is
not completely offset  by movements in  the price of  the hedged securities.  To
compensate  for imperfect  correlations, the Fund  may purchase  or sell futures
contracts in  a  greater  dollar  amount  than  the  hedged  securities  if  the
volatility  of the hedged securities is historically greater than the volatility
of the  futures contracts.  Conversely,  the Fund  may  purchase or  sell  fewer
futures  contracts if the  volatility of the  price of the  hedged securities is
historically less than that of the futures contracts.

    The particular municipal bonds comprising the index underlying the Municipal
Bond Index financial futures contract may vary from the Municipal Bonds held  by
the  Fund. As a result, the Fund's ability to hedge effectively all or a portion
of the value of its  Municipal Bonds through the  use of such financial  futures
contracts  will depend  in part on  the degree  to which price  movements in the
index underlying  the  financial  futures  contract  correlate  with  the  price
movements  of  the Municipal  Bonds held  by  the Fund.  The correlation  may be
affected by disparities in  the average maturity,  ratings, geographical mix  or
structure  of  the  Fund's  investments  as  compared  to  those  comprising the
Municipal Bond Index, and  general economic or  political factors. In  addition,
the  correlation between movements in the value  of the Municipal Bond Index may
be subject to change over time as additions to and deletions from the  Municipal
Bond  Index alter  its structure. The  correlation between  futures contracts on
U.S. Government  securities and  the Municipal  Bonds held  by the  Fund may  be
adversely  affected by  similar factors  and the  risk of  imperfect correlation
between movements in the prices of such futures contracts and the prices of  the
Municipal Bonds held by the Fund may be greater.

    The  Fund expects to liquidate a majority of the futures contracts it enters
into through offsetting  transactions on the  applicable contract market.  There
can  be no assurance, however, that a liquid secondary market will exist for any
particular futures contract at any specific  time. Thus, it may not be  possible
to  close out a futures  position. In the event  of adverse price movements, the
Fund would continue  to be  required to make  daily cash  payments of  variation
margin.  In  such situations,  if  the Fund  has  insufficient cash,  it  may be
required  to  sell   portfolio  securities  to   meet  daily  variation   margin
requirements at a time when it may be disadvantageous to do so. The inability to
close  out futures  positions also  could have an  adverse impact  on the Fund's
ability to hedge effectively its investments  in Municipal Bonds. The Fund  will
enter  into a futures  position only if,  in the judgment  of the Manager, there
appears to be an actively traded secondary market for such futures contracts.

                                       12
<PAGE>
    The successful  use of  transactions  in futures  and related  options  also
depends  on the ability of  the Manager to forecast  correctly the direction and
extent of  interest rate  movements within  a given  time frame.  To the  extent
interest  rates remain stable during  the period in which  a futures contract or
option is held by the  Fund or such rates move  in a direction opposite to  that
anticipated, the Fund may realize a loss on the hedging transaction which is not
fully  or partially offset by an increase  in the value of portfolio securities.
As a result, the Fund's total return for such period may be less than if it  had
not engaged in the hedging transaction.

    Because  of low  initial margin  deposits made on  the opening  of a futures
position, futures  transactions  involve  substantial  leverage.  As  a  result,
relatively  small movements in the price of  the futures contracts can result in
substantial unrealized gains  or losses.  Because the  Fund will  engage in  the
purchase and sale of futures contracts solely for hedging purposes, however, any
losses  incurred  in connection  therewith should,  if  the hedging  strategy is
successful, be  offset  in  whole or  in  part  by increases  in  the  value  of
securities  held by the  Fund or decreases  in the price  of securities the Fund
intends to acquire.

    The amount of risk the Fund assumes when it purchases an option on a futures
contract is the premium paid for  the option plus related transaction costs.  In
addition  to the correlation risks discussed above, the purchase of an option on
a futures  contract also  entails the  risk that  changes in  the value  of  the
underlying  futures contract  will not  be reflected fully  in the  value of the
option purchased.

    Municipal Bond Index futures contracts have only recently been approved  for
trading  and therefore have little trading  history. It is possible that trading
in such  futures  contracts will  be  less liquid  than  that in  other  futures
contracts.  The trading of  futures contracts also is  subject to certain market
risks, such  as  inadequate trading  activity,  which  could at  times  make  it
difficult or impossible to liquidate existing positions.

                            INVESTMENT RESTRICTIONS

   
    CURRENT  INVESTMENT RESTRICTIONS._In addition to the investment restrictions
set forth in the Prospectus, the Trust has adopted a number of restrictions  and
policies  relating to the investment of its assets and its activities, which are
fundamental policies and may not be changed without the approval of the  holders
of  a  majority of  the  Fund's outstanding  voting  securities (which  for this
purpose and under the 1940 Act means the lesser of (i) 67% of the Fund's  shares
present  at a meeting  at which more than  50% of the  outstanding shares of the
Fund are represented or  (ii) more than 50%  of the Fund's outstanding  shares).
The  Fund may not (1) purchase any  securities other than securities referred to
under "Investment  Objective and  Policies" herein  and in  the Prospectus;  (2)
invest  more than 25% of its total assets  (taken at market value at the time of
each investment) in securities of issuers in any particular industry (other than
U.S. Government securities or Government agency securities, Municipal Bonds  and
Non-Municipal  Tax-Exempt Securities);  (3) invest  more than  10% of  its total
assets (taken at  market value  at the time  of each  investment) in  industrial
revenue  bonds where the entity supplying the  revenues from which the issuer is
to be paid, and  the guarantor of the  obligation, including predecessors,  each
have  a record of  less than three  years of continuous  business operation; (4)
make investments  for  the purpose  of  exercising control  or  management;  (5)
purchase  securities of other investment companies,  except in connection with a
merger, consolidation, acquisition or reorganization, and provided further  that
the   Fund  may  purchase  securities  of  closed-end  investment  companies  if
immediately thereafter not  more than  (i) 3%  of the  total outstanding  voting
stock of such
    

                                       13
<PAGE>
   
company  is owned  by the  Fund, (ii) 5%  of the  Fund's total  assets, taken at
market value, would be  invested in any  one such company, or  (iii) 10% of  the
Fund's  total  assets,  taken  at  market  value,  would  be  invested  in  such
securities; (6) purchase  or sell  real estate (provided  that such  restriction
shall  not apply to  securities secured by  real estate or  interests therein or
issued  by  companies  which  invest  in  real  estate  or  interests  therein),
commodities  or commodity contracts (except that  the Fund may purchase and sell
financial futures contracts), interests in oil, gas or other mineral exploration
or development programs; (7) purchase any  securities on margin, except for  use
of short-term credit necessary for clearance of purchases and sales of portfolio
securities (the deposit or payment by the Fund of initial or variation margin in
connection  with financial futures contracts is not considered the purchase of a
security on margin);  (8) make  short sales of  securities or  maintain a  short
position  or invest in  put, call, straddle or  spread options (this restriction
does not apply  to options on  financial futures contracts);  (9) make loans  to
other  persons, provided  that the Fund  may purchase  a portion of  an issue of
tax-exempt securities (the acquisition  of a portion of  an issue of  tax-exempt
securities  or bonds, debentures or other debt securities which are not publicly
distributed is considered to  be the making  of a loan under  the 1940 Act)  and
provided further that investments in repurchase agreements and purchase and sale
contracts shall not be deemed to be the making of a loan; (10) borrow amounts in
excess  of 20% of its total assets,  taken at market value (including the amount
borrowed), and then only from banks as a temporary measure for extraordinary  or
emergency  purposes [Usually only "leveraged" investment companies may borrow in
excess of 5%  of their assets;  however, the  Fund will not  borrow to  increase
income  but  only  to meet  redemption  requests which  might  otherwise require
untimely disposition  of  portfolio  securities.  The  Fund  will  not  purchase
securities  while borrowings are  outstanding. Interest paid  on such borrowings
will reduce net  income]; (11) mortgage,  pledge, hypothecate or  in any  manner
transfer  as security for indebtedness any securities  owned or held by the Fund
except as  may be  necessary in  connection with  borrowings mentioned  in  (10)
above, and then such mortgaging, pledging or hypothecating may not exceed 10% of
its  total  assets, taken  at market  value, or  except as  may be  necessary in
connection with  transactions in  financial futures  contracts; (12)  invest  in
securities  with legal  or contractual  restrictions on  resale or  for which no
readily available  market  exists,  or in  individually  negotiated  loans  that
constitute illiquid investments and illiquid lease obligations, or in repurchase
agreements  or purchase and sale contracts maturing in more than seven days, if,
regarding all such securities, more than 10% of its net assets (taken at  market
value),  would be invested in such securities; and (13) act as an underwriter of
securities, except to  the extent  that the Fund  may technically  be deemed  an
underwriter when engaged in the activities described in (12) above or insofar as
the  Fund may  be deemed  an underwriter  under the  Securities Act  of 1933, as
amended, in selling portfolio securities.
    

    In addition,  to  comply  with  tax requirements  for  qualifications  as  a
"regulated  investment company",  the Fund's  investments will  be limited  in a
manner such that, at the close of each quarter of each fiscal year, (a) no  more
than  25% of the Fund's total assets are  invested in the securities of a single
issuer, and (b) with regard to at least 50% of the Fund's total assets, no  more
than  5% of its total assets are invested  in the securities of a single issuer.
[For purposes of  this restriction,  the Fund will  regard each  state and  each
political  subdivision,  agency  or  instrumentality  of  such  state  and  each
multi-state agency of  which such state  is a member  and each public  authority
which  issues securities  on behalf  of a private  entity as  a separate issuer,
except that if  the security  is backed  only by the  assets and  revenues of  a
non-governmental entity then the entity with the ultimate responsibility for the
payment  of interest and  principal may be  regarded as the  sole issuer.] These
tax-related limitations  may be  changed by  the Trustees  of the  Trust to  the
extent necessary to comply with changes to the Federal tax requirements.

                                       14
<PAGE>
   
    PROPOSED  UNIFORM  INVESTMENT RESTRICTIONS._As  discussed in  the Prospectus
under "Investment Objective and Policies -- Investment Restrictions", the  Board
of  Trustees of the  Fund has approved  the replacement of  the Trust's existing
investment restrictions  with  the fundamental  and  non-fundamental  investment
restrictions  set forth below.  These uniform investment  restrictions have been
proposed for adoption by all of the non-money market mutual funds advised by the
Manager or its  affiliate, Merrill  Lynch Asset Management,  L.P. ("MLAM").  The
investment objective and policies of the Fund will be unaffected by the adoption
of the proposed investment restrictions.
    

   
    Shareholders  of the Fund  are currently considering  whether to approve the
proposed revised  investment  restrictions.  If  such  shareholder  approval  is
obtained,  the current  investment restrictions applicable  to the  Fund will be
replaced by the proposed restrictions,  and the Fund's Prospectus and  Statement
of Additional Information will be supplemented to reflect such change.
    

   
    Under the proposed fundamental investment restrictions, the Fund may not:
    

   
        1.__Invest  more than 25% of  its assets, taken at  market value, in the
    securities of  issuers  in  any  particular  industry  (excluding  the  U.S.
    Government  and its  agencies and  instrumentalities). For  purposes of this
    restriction, states, municipalities and their political subdivisions are not
    considered part of any industry.
    

   
        2.__Make  investments  for   the  purpose  of   exercising  control   or
    management.
    

   
        3.__Purchase or sell real estate, except that to the extent permitted by
    applicable  law, the  Fund may invest  in securities  directly or indirectly
    secured by real  estate or interests  therein or issued  by companies  which
    invest in real estate or interests therein.
    

   
        4.__Make  loans to other persons, except  that the acquisition of bonds,
    debentures or other corporate debt  securities and investment in  government
    obligations,  commercial  paper, pass-through  instruments,  certificates of
    deposit,  bankers  acceptances,   repurchase  agreements   or  any   similar
    instruments  shall not  be deemed  to be  the making  of a  loan, and except
    further that the Fund may lend  its portfolio securities, provided that  the
    lending  of  portfolio  securities  may  be  made  only  in  accordance with
    applicable law and  the guidelines set  forth in the  Fund's Prospectus  and
    Statement  of Additional  Information, as they  may be amended  from time to
    time.
    

   
        5.__Issue senior securities  to the extent  such issuance would  violate
    applicable law.
    

   
        6.__Borrow  money, except  that (i) the  Fund may borrow  from banks (as
    defined in  the 1940  Act) in  amounts up  to 33  1/3% of  its total  assets
    (including  the  amount  borrowed),  (ii)  the  Fund  may  borrow  up  to an
    additional 5% of its total assets for temporary purposes, (iii) the Fund may
    obtain such  short-term credit  as may  be necessary  for the  clearance  of
    purchases  and sales of portfolio securities  and (iv) the Fund may purchase
    securities on margin to the extent permitted by applicable law. The Fund may
    not pledge its assets other than to secure such borrowings or, to the extent
    permitted by the Fund's investment policies  as set forth in its  Prospectus
    and Statement of Additional Information, as they may be amended from time to
    time,  in connection with hedging transactions, short sales, when-issued and
    forward commitment transactions and similar investment strategies.
    

                                       15
<PAGE>
   
        7.__Underwrite securities of  other issuers except  insofar as the  Fund
    technically  may be deemed an underwriter  under the Securities Act of 1933,
    as amended (the "Securities Act") in selling portfolio securities.
    

   
        8.__Purchase or sell commodities or contracts on commodities, except  to
    the extent that the Fund may do so in accordance with applicable law and the
    Fund's  Prospectus and Statement  of Additional Information,  as they may be
    amended from  time to  time, and  without registering  as a  commodity  pool
    operator under the Commodity Exchange Act.
    

   
    Under  the proposed  non-fundamental investment  restrictions, the  Fund may
not:
    

   
        a.__Purchase securities  of other  investment companies,  except to  the
    extent such purchases are permitted by applicable law.
    

   
        b.__Make  short sales of securities or maintain a short position, except
    to the  extent permitted  by applicable  law. The  Fund currently  does  not
    intend to engage in short sales, except short sales "against the box".
    

   
        c.__Invest in securities which cannot be readily resold because of legal
    or  contractual restrictions or which cannot otherwise be marketed, redeemed
    or put to the issuer  or a third party, if  at the time of acquisition  more
    than  15% of  its total  assets would be  invested in  such securities. This
    restriction shall not apply to securities which mature within seven days  or
    securities which the Board of Trustees of the Trust has otherwise determined
    to  be liquid pursuant to applicable law. Notwithstanding the 15% limitation
    herein, to the extent the laws of  any state in which the Fund's shares  are
    registered  or qualified for sale require  a lower limitation, the Fund will
    observe such limitation. As of the date hereof, therefore, the Fund will not
    invest more than 10% of its total assets in securities which are subject  to
    this investment restriction (c).
    

   
        d.__Invest  in warrants if, at the  time of acquisition, its investments
    in warrants, valued at the lower of cost or market value, would exceed 5% of
    the Fund's total assets; included within such limitation, but not to  exceed
    2%  of the Fund's total assets, are warrants which are not listed on the New
    York Stock Exchange or American Stock Exchange or a major foreign  exchange.
    For  purposes of this restriction,  warrants acquired by a  Fund in units or
    attached to securities may be deemed to be without value.
    

   
        e.__Invest in securities  of companies  having a  record, together  with
    predecessors  of less than three years of continuous operation, if more than
    5% of the  Fund's total assets  would be invested  in such securities.  This
    restriction  shall  not  apply to  mortgage-backed  securities, asset-backed
    securities or obligations issued or  guaranteed by the U.S. Government,  its
    agencies or instrumentalities.
    

   
        f.__Purchase or retain the securities of any issuer, if those individual
    Trustees,  officers and  directors of  the Trust,  the officers  and general
    partner of  the  Manager, the  directors  of  such general  partner  or  the
    officers  and directors of  any subsidiary thereof  each owning beneficially
    more than one-half of one  percent of the securities  of such issuer own  in
    the aggregate more than 5% of the securities of such issuer.
    

   
        g.__Invest  in real estate limited partnership interests or interests in
    oil, gas or other  mineral leases, or  exploration or development  programs,
    except  that  the Fund  may invest  in securities  issued by  companies that
    engage in oil, gas or other mineral exploration or development activities.
    

                                       16
<PAGE>
   
        h.__Write,   purchase  or  sell  puts,   calls,  straddles,  spreads  or
    combinations  thereof,  except  to  the  extent  permitted  in  the   Fund's
    Prospectus  and Statement of Additional Information,  as they may be amended
    from time to time.
    

   
        i.  Notwithstanding fundamental investment restriction (6) above, borrow
    amounts in  excess  of  20% of  its  total  assets, taken  at  market  value
    (including  the amount  borrowed), and then  only from banks  as a temporary
    measure for extraordinary or emergency purposes. In addition, the Fund  will
    not purchase securities while borrowings are outstanding.
    
                              -------------------

    Because  of  the  affiliation  of  Merrill  Lynch,  Pierce,  Fenner  & Smith
Incorporated ("Merrill  Lynch") with  the  Trust, the  Fund is  prohibited  from
engaging  in certain transactions  involving such firm  or its affiliates except
for brokerage transactions permitted under the 1940 Act involving only usual and
customary commissions or transactions pursuant  to an exemptive order under  the
1940  Act. Included among such restricted transactions will be purchases from or
sales to  Merrill  Lynch of  securities  in transactions  in  which it  acts  as
principal.  See "Portfolio Transactions".  An exemptive order  has been obtained
which permits the Trust to effect  principal transactions with Merrill Lynch  in
high  quality, short-term, tax-exempt securities subject to conditions set forth
in such order.

                            MANAGEMENT OF THE TRUST

TRUSTEES AND OFFICERS

   
    The Trustees  and  executive  officers  of the  Trust  and  their  principal
occupations  for  at least  the  last five  years  are set  forth  below. Unless
otherwise noted, the address of each  Trustee and executive officer is P.O.  Box
9011, Princeton, New Jersey 08543-9011.
    

   
    ARTHUR  ZEIKEL  --  PRESIDENT  AND  TRUSTEE(1)(2)  --  President  and  Chief
Investment Officer  of the  Manager  (which term  as  used herein  includes  the
Manager's  corporate predecessors) since 1977;  President of Merrill Lynch Asset
Management, L.P. ("MLAM", which  term as used  herein includes MLAM's  corporate
predecessors)  since 1977 and  Chief Investment Officer  thereof 1976; President
and Director of Princeton Services, Inc. since 1993, Executive Vice President of
Merrill Lynch & Co., Inc. since 1990; Executive Vice President of Merrill  Lynch
since  1990 and a Senior  Vice President thereof from  1985 to 1990; Director of
Merrill Lynch Funds Distributor, Inc. ("MLFD" or the "Distributor").
    

   
    KENNETH S. AXELSON -- TRUSTEE(2) --  75 Jameson Point Road, Rockland,  Maine
04841.  Executive Vice President  and Director, J.C.  Penney Company, Inc. until
1982; Director, UNUM Corporation, Protection Mutual Insurance Company and  until
1994,  Grumman Corporation, and  Zurn Industries, Inc.,  and, until 1992 Central
Maine Power Company and  Key Trust Company of  Maine; Trustee, The Chicago  Dock
and Canal Trust.
    

   
    HERBERT I. LONDON -- TRUSTEE(2) -- New York University -- Gallatin Division,
113-115  University Place, New York,  New York 10003. John  M. Olin Professor of
Humanities, New York  University since  1993 and Professor  thereof since  1973;
Dean,  Gallatin Division of New  York University from 1978  to 1993 and Director
from 1975 to  1976; Distinguished  Fellow, Herman Kahn  Chair, Hudson  Institute
from  1984 to 1985; Trustee, Hudson  Naval Institute since 1980; Director, Damon
Corporation since 1991; Overseer, Center for Naval Analyses from 1983 to 1993.
    

                                       17
<PAGE>
   
    ROBERT R. MARTIN -- TRUSTEE(2) -- 513 Grand Hill, St. Paul, Minnesota 55102.
Chairman of  the Board,  WTC Industries,  Inc. since  1994; Chairman  and  Chief
Executive  Officer, Kinnard Investments, Inc. from  1990 to 1993; Executive Vice
President,  Dain  Bosworth  from  1974  to  1989;  Director,  Carnegie   Capital
Management  from 1977 to 1985 and Chairman thereof in 1979; Director, Securities
Industry Association from 1981  to 1982 and  Public Securities Association  from
1979 to 1980; Trustee, Northland College since 1992.
    

    JOSEPH  L. MAY  -- TRUSTEE(2) --  424 Church Street,  Suite 2000, Nashville,
Tennessee 37219. Attorney  in private  practice since 1984;  President, May  and
Athens Hosiery Mills Division, Wayne-Gossard Corporation from 1954 to 1983; Vice
President,  Wayne-Gossard  Corporation  from  1972 to  1983;  Chairman,  The May
Corporation (personal  holding  company) from  1972  to 1983;  Director,  Signal
Apparel Co. from 1972 to 1989.

   
    ANDRE  F.  PEROLD  -- TRUSTEE(2)  --  Morgan Hall,  Soldiers  Field, Boston,
Massachusetts 02163. Professor, Harvard Business School and Associate  Professor
from  1983  to 1989;  Trustee, The  Common Fund,  since 1989;  Director, Quantec
Limited since 1991 and Teknekron Software Systems since 1994.
    

    TERRY K. GLENN -- EXECUTIVE VICE PRESIDENT(1)(2) -- Executive Vice President
of the Manager and MLAM since 1983 and Director thereof since 1991; President of
MLFD since 1986 and Director thereof since 1991.

    VINCENT R.  GIORDANO  --  VICE  PRESIDENT  AND  PORTFOLIO  MANAGER(1)(2)  --
Portfolio  Manager of the Manager and MLAM  since 1977 and Senior Vice President
of the Manager and MLAM since 1984; Vice President of MLAM from 1980 to 1984.

    KENNETH A.  JACOB --  VICE  PRESIDENT AND  PORTFOLIO MANAGER(1)(2)  --  Vice
President of the Manager and MLAM since 1984.

   
    DONALD  C. BURKE --  VICE PRESIDENT(1)(2) -- Vice  President and Director of
Taxation of MLAM  since 1990; employee  of Deloitte  & Touche LLP  from 1982  to
1990.
    

    GERALD  M. RICHARD -- TREASURER(1)(2) -- Senior Vice President and Treasurer
of the Manager and MLAM since 1984; Treasurer of the Distributor since 1984  and
Vice President since 1981.

    JERRY  WEISS  --  SECRETARY(1)(2)  -- Vice  President  of  MLAM  since 1990;
Attorney in private practice from 1982 to 1990.
- ---------
(1) Interested person, as defined in the 1940 Act, of the Trust.

(2) Such Trustee or officer is a director or officer of certain other investment
    companies for  which the  Manager  or MLAM  acts  as investment  adviser  or
    manager.

   
    At September 30, 1994, the Trustees and officers of the Trust as a group (12
persons)  owned an aggregate of less than 1% of the outstanding shares of Common
Stock of Merrill Lynch & Co., Inc. and owned an aggregate of less than 1% of the
outstanding shares of the Fund.
    

    The Trust pays each Trustee not affiliated with the Manager a fee of $10,000
per year plus $1,000 per meeting  attended, together with such Trustee's  actual
out-of-pocket expenses relating to attendance at

                                       18
<PAGE>
   
meetings.  The  Trust also  compensates members  of  its Audit  Committee, which
consists of all the non-affiliated Trustees a  fee of $2,000 per year plus  $500
per  meeting  attended.  For the  fiscal  year  ended July  31,  1994,  fees and
out-of-pocket expenses paid to unaffiliated Trustees aggregated $3,699.
    

MANAGEMENT AND ADVISORY ARRANGEMENTS

    Reference is made  to "Management of  the Trust --  Management and  Advisory
Arrangements"   in  the  Prospectus  for   certain  information  concerning  the
management and advisory arrangements of the Fund.

    Securities may be held  by, or be appropriate  investments for, the Fund  as
well  as  other funds  or  investment advisory  clients  of the  Manager  or its
affiliates. Because  of  different objectives  or  other factors,  a  particular
security  may be  bought for one  or more clients  when one or  more clients are
selling the same  security. If the  Manager or its  affiliates purchase or  sell
securities  for the  Fund or other  funds for which  they act as  manager or for
their advisory clients and such sales or purchases arise for consideration at or
about the same time,  transactions in such securities  will be made, insofar  as
feasible,  for the respective funds and clients  in a manner deemed equitable to
all. To the extent that  transactions on behalf of more  than one client of  the
Manager  or its affiliates  during the same  period may increase  the demand for
securities being purchased or the supply of securities being sold, there may  be
an adverse effect on price.

   
    Pursuant  to a management agreement between the  Trust on behalf of the Fund
and the  Manager (the  "Management  Agreement"), the  Manager receives  for  its
services  to  the Fund  monthly compensation  based upon  the average  daily net
assets of the Fund at the following annual rates: 0.55% of the average daily net
assets not  exceeding $500  million;  0.525% of  the  average daily  net  assets
exceeding  $500 million but not exceeding $1.0 billion; and 0.50% of the average
daily net assets  exceeding $1.0  billion. For the  fiscal year  ended July  31,
1994,  the  total advisory  fees  paid by  the  Fund to  the  Manager aggregated
$465,743 (based on average net assets  of approximately $84.9 million) of  which
$199,488 was voluntarily waived.
    

    The  Management  Agreement  obligates  the  Manager  to  provide  investment
advisory services and to  pay all compensation of  and furnish office space  for
officers  and  employees of  the Trust  connected  with investment  and economic
research, trading and investment management of the Trust, as well as the fees of
all Trustees of the Trust  who are affiliated persons of  the Manager or any  of
its subsidiaries. The Fund pays all other expenses incurred in its operation and
a  portion of the Trust's general administrative expenses allocated on the basis
of the asset  size of the  respective series of  the Trust ("Series").  Expenses
that  will  be  borne  directly  by  the  Series  include,  among  other things,
redemption expenses, expenses of portfolio transactions, expenses of registering
the shares under Federal and state securities laws, pricing costs (including the
daily calculation of net asset value), expenses of printing shareholder reports,
prospectuses and statements of additional information (except to the extent paid
by the Distributor as  described below), fees for  legal and auditing  services,
Commission  fees, interest, certain taxes, and  other expenses attributable to a
particular Series. Expenses which will be  allocated on the basis of asset  size
of  the respective  Series include fees  and expenses  of unaffiliated Trustees,
state franchise taxes, costs of printing  proxies and other expenses related  to
shareholder  meetings, and  other expenses  properly payable  by the  Trust. The
organizational expenses of the Trust were  paid by the Trust, and as  additional
Series  are added to the Trust,  the organizational expenses are allocated among
the Series (including the  Fund) in a manner  deemed equitable by the  Trustees.
Depending  upon the nature of a lawsuit, litigation costs may be assessed to the
specific Series to which the  lawsuit relates or allocated  on the basis of  the
asset  size of the respective Series. The  Trustees have determined that this is
an  appropriate   method  of   allocation  of   expenses.  Accounting   services

                                       19
<PAGE>
   
are  provided to the Fund by the Manager and the Fund reimburses the Manager for
its costs in connection with  such services. For the  year ended July 31,  1994,
the  Fund reimbursed the Manager  $36,930 for such services.  As required by the
Fund's  distribution  agreements,  the  Distributor  will  pay  the  promotional
expenses  of the Fund incurred in connection  with the offering of shares of the
Fund. Certain  expenses  in connection  with  the account  maintenance  and  the
distribution of Class B and Class C shares will be financed by the Fund pursuant
to  the Distribution Plans in compliance with Rule 12b-1 under the 1940 Act. See
"Purchase of Shares -- Distribution Plans".
    

   
    DURATION AND TERMINATION. Unless earlier terminated as described herein, the
Management Agreement  will  remain in  effect  from  year to  year  if  approved
annually  (a) by the Trustees  of the Trust or by  a majority of the outstanding
shares of the Fund and (b) by a majority of the Trustees who are not parties  to
such  contract or interested  persons (as defined  in the 1940  Act) of any such
party. Such contracts are not assignable  and may be terminated without  penalty
on  60 days' written notice at the option  of either party thereto or by vote of
the shareholders of the Fund.
    

                               PURCHASE OF SHARES

    Reference is made  to "Purchase  of Shares"  in the  Prospectus for  certain
information as to the purchase of Fund shares.

   
    The  Fund  issues four  classes  of shares  under  the Merrill  Lynch Select
Pricing System: shares of Class A and Class D are sold to investors choosing the
initial sales charge alternatives, and shares of Class B and Class C are sold to
investors choosing the deferred sales  charge alternatives. Each Class A,  Class
B,  Class C and Class D share of  the Fund represents identical interests in the
investment portfolio of the Fund and has  the same rights, except that Class  B,
Class  C and Class D shares bear the expenses of the ongoing account maintenance
fees, and  Class  B  and  Class  C shares  bear  the  expenses  of  the  ongoing
distribution fees and the additional incremental transfer agency costs resulting
from the deferred sales charge arrangements. Class B, Class C and Class D shares
each  have exclusive voting  rights with respect to  the Rule 12b-1 distribution
plan adopted with respect  to such class pursuant  to which account  maintenance
and/or distribution fees are paid. Each class has different exchange privileges.
See "Shareholder Services -- Exchange Privilege".
    

   
    The Merrill Lynch Select Pricing System is used by more than 50 mutual funds
advised  by MLAM  or its affiliate,  the Manager.  Funds advised by  MLAM or the
Manager are referred to herein as "MLAM-advised mutual funds".
    

   
    The Fund has  entered into  four separate distribution  agreements with  the
Distributor  in connection with the continuous  offering of each class of shares
of  the  Fund  (the  "Distribution  Agreements").  The  Distribution  Agreements
obligate the Distributor to pay certain expenses in connection with the offering
of  each class  of shares  of the  Fund. After  the prospectuses,  statements of
additional information and periodic reports have been prepared, set in type  and
mailed  to shareholders, the Distributor pays  for the printing and distribution
of  copies  thereof  used  in  connection  with  the  offering  to  dealers  and
prospective  investors. The Distributor also  pays for other supplementary sales
literature and advertising costs. The Distribution Agreements are subject to the
same renewal requirements and termination provisions as the Management Agreement
described above.
    

                                       20
<PAGE>
   
INITIAL SALES CHARGE ALTERNATIVES--CLASS A AND CLASS D SHARES
    
   
    The Fund commenced the public offering of its Class A shares on February 28,
1992. The gross  sales charges for  the sale of  Class A shares  for the  period
February  28, 1992, the Fund's commencement of operations, to July 31, 1992, the
Fund's fiscal year end, were $117,671  of which the Distributor received  $5,734
and  Merrill Lynch received  $111,937. The gross  sales charges for  the sale of
Class A shares  for the  year ended  July 31, 1993  were $53,543,  of which  the
Distributor  received $5,384 and Merrill Lynch received $48,159. The gross sales
charges for the sale  of Class A shares  for the year ended  July 31, 1994  were
$39,200  of which  the Distributor  received $4,115  and Merrill  Lynch received
$35,085.
    

   
    The term  "purchase",  as used  in  the  Prospectus and  this  Statement  of
Additional  Information in connection with an investment  in Class A and Class D
shares of  the  Fund, refers  to  a single  purchase  by an  individual,  or  to
concurrent  purchases,  which  in  the  aggregate  are  at  least  equal  to the
prescribed amounts, by an  individual, his spouse and  their children under  the
age  of 21 years  purchasing shares for his  or their own  account and to single
purchases by a trustee or other  fiduciary purchasing shares for a single  trust
estate  or  single  fiduciary  account although  more  than  one  beneficiary is
involved. The term "purchase" also includes purchases by any "company", as  that
term  is defined  in the 1940  Act, but does  not include purchases  by any such
company which has not been in existence for at least six months or which has  no
purpose  other  than the  purchase  of shares  of the  Fund  or shares  of other
registered investment companies at a discount; provided, however, that it  shall
not  include purchases  by any  group of  individuals whose  sole organizational
nexus is that  the participants  therein are  credit cardholders  of a  company,
policyholders   of  an  insurance  company,  customers   of  either  a  bank  or
broker-dealer or clients of an investment adviser.
    

   
REDUCED INITIAL SALES CHARGES
    

   
    RIGHT OF ACCUMULATION. Reduced sales charges are applicable through a  right
of  accumulation under which eligible investors are permitted to purchase shares
of the Fund subject to an initial sales charge at the offering price  applicable
to the total of (a) the public offering price of the shares then being purchased
plus  (b) an amount equal to the then current net asset value or cost, whichever
is higher, of the purchaser's combined holdings of all Classes of shares of  the
Fund  and of other MLAM-advised mutual funds. For any such right of accumulation
to be made available, the Distributor must be provided at the time of  purchase,
by   the  purchaser  or  the  purchaser's  securities  dealer,  with  sufficient
information to permit confirmation of qualification. Acceptance of the  purchase
order  is subject to such confirmation. The right of accumulation may be amended
or terminated at any  time. Shares held  in the name of  a nominee or  custodian
under  pension,  profit-sharing,  or other  employee  benefit plans  may  not be
combined with other shares to qualify for the right of accumulation.
    

   
    LETTER OF  INTENTION.  Reduced sales  charges  are applicable  to  purchases
aggregating  $25,000 or more of the Class A or Class D shares of the Fund or any
MLAM-advised mutual funds made within a 13-month period starting with the  first
purchase  pursuant  to  a  Letter  of Intention  in  the  form  provided  in the
Prospectus. The  Letter  of  Intention  is available  only  to  investors  whose
accounts are maintained at the Fund's Transfer Agent. The Letter of Intention is
not  available to employee  benefit plans for which  Merrill Lynch provides plan
participant, record-keeping services. The Letter  of Intention is not a  binding
obligation  to purchase any  amount of Class  A or Class  D shares; however, its
execution will  result in  the purchaser  paying  a lower  sales charge  at  the
appropriate  quantity purchase level. A purchase not originally made pursuant to
a Letter of  Intention may be  included under a  subsequent Letter of  Intention
executed  within 90  days of  such purchase  if the  Distributor is  informed in
writing of this intent within such 90-day period. The
    

                                       21
<PAGE>
   
value of Class A or Class D shares of the Fund and of other MLAM-advised  mutual
funds  presently held, at cost or  maximum offering price (whichever is higher),
on the date of the first purchase under the Letter of Intention, may be included
as a credit toward the completion of  such Letter, but the reduced sales  charge
applicable  to the  amount covered by  such Letter  will be applied  only to new
purchases. If the total amount of shares does not equal the amount stated in the
Letter of Intention (minimum of $25,000), the investor will be notified and must
pay, within 20 days of the expiration of such Letter, the difference between the
sales charge on the Class A or Class D shares purchased at the reduced rate  and
the sales charge applicable to the shares actually purchased through the Letter.
Class  A or Class D shares equal to at least five percent of the intended amount
will be held in escrow during the 13-month period (while remaining registered in
the name of the purchaser) for this purpose. The first purchase under the Letter
of Intention must be at least five percent of the dollar amount of such  Letter.
If  a purchase during  the term of such  Letter would otherwise  be subject to a
further reduced sales charge based on  the right of accumulation, the  purchaser
will  be  entitled on  that purchase  and subsequent  purchases to  that further
reduced percentage sales charge, but there  will be no retroactive reduction  of
the  sales charges on any previous purchase. The value of any shares redeemed or
otherwise disposed of by the purchaser prior to termination or completion of the
Letter of Intention will  be deducted from the  total purchases made under  such
Letter.  An exchange from  a MLAM advised  money market fund  into the Fund that
creates a sales charge will count toward completing a new or existing Letter  of
Intention from the Fund.
    

   
    TMA-SM- MANAGED TRUSTS._Class A shares are offered to TMA-SM- Managed Trusts
to  which Merrill Lynch Trust Company provides discretionary trustee services at
net asset value.
    

   
    PURCHASE PRIVILEGE OF CERTAIN PERSONS. Trustees of the Trust, members of the
Boards of other  MLAM-advised investment companies,  directors and employees  of
Merrill  Lynch & Co.,  Inc. and its subsidiaries  (the term "subsidiaries", when
used herein  with respect  to Merrill  Lynch  & Co.,  Inc., includes  MLAM,  the
Manager  and  certain other  entities  directly or  indirectly  wholly-owned and
controlled by Merrill Lynch  & Co.), and any  trust, pension, profit-sharing  or
other  benefit plan for such persons, may purchase Class A shares of the Fund at
net asset value.
    

   
    Class D shares of the Fund will be offered at net asset value, without sales
charge, to  an  investor  who  has a  business  relationship  with  a  financial
consultant  who joined  Merrill Lynch  from another  investment firm  within six
months prior  to  the  date of  purchase  by  such investor,  if  the  following
conditions  are satisfied. First, the investor must advise Merrill Lynch that it
will purchase Class D shares  of the Fund with proceeds  from a redemption of  a
mutual  fund that was sponsored by  the financial consultant's previous firm and
was subject to a sales  charge either at the time  of purchase or on a  deferred
basis.  Second, the investor  also must establish that  such redemption had been
made within 60 days prior to the  investment in the Fund, and the proceeds  from
the  redemption had  been maintained in  the interim  in cash or  a money market
fund.
    

   
    Class D shares  of the Fund  are also  offered at net  asset value,  without
sales  charge, to  an investor  who has a  business relationship  with a Merrill
Lynch financial consultant and who has invested in a mutual fund sponsored by  a
non-Merrill  Lynch  company for  which Merrill  Lynch has  served as  a selected
dealer and where  Merrill Lynch has  either received or  given notice that  such
arrangement  will  be terminated  ("notice"),  if the  following  conditions are
satisfied: First, the  investor must purchase  Class D shares  of the Fund  with
proceeds from a redemption of shares of such other mutual fund and such fund was
subject to a sales charge either at the time of purchase or on a deferred basis.
Second,  such purchase of Class D shares must  be made within 90 days after such
notice.
    

                                       22
<PAGE>
   
    Class D shares of the Fund will be offered at net asset value, without sales
charge, to an  investor who  has a business  relationship with  a Merrill  Lynch
financial  consultant and who  has invested in  a mutual fund  for which Merrill
Lynch has  not served  as a  selected  dealer if  the following  conditions  are
satisfied:  First, the investor must advise  Merrill Lynch that it will purchase
Class D shares of the Fund with  proceeds from the redemption of such shares  of
other mutual funds and that such shares have been outstanding for a period of no
less  than six months; and second, such purchase  of Class D shares must be made
within 60 days after the redemption and the proceeds from the redemption must be
maintained in the interim in cash or a money market fund.
    

   
    CLOSED-END FUND INVESTMENT OPTION.  Class A shares of  the Fund and  certain
other  MLAM-advised mutual funds advised ("Eligible Class A shares") are offered
at net asset value  to shareholders of certain  closed-end funds advised by  the
Manager  or MLAM who purchased such closed-end  fund shares prior to October 21,
1994 and wish to reinvest  the net proceeds of a  sale of their closed-end  fund
shares  of common stock in Eligible Class  A shares, if the conditions set forth
below are satisfied. Alternatively,  closed-end fund shareholders who  purchased
such  shares on or after October 21, 1994  and wish to reinvest the net proceeds
from a sale  of their  closed-end fund  shares are  offered Class  A shares  (if
eligible  to  buy Class  A  shares) or  Class  D shares  of  the Fund  and other
MLAM-advised  mutual  funds  ("Eligible  Class  D  Shares"),  if  the  following
conditions  are met.  First, the  sale of  closed-end fund  shares must  be made
through Merrill  Lynch,  and the  net  proceeds therefrom  must  be  immediately
reinvested  in Eligible Class A  or Class D shares.  Second, the closed-end fund
shares must  either have  been acquired  in the  initial public  offering or  be
shares  representing  dividends from  shares of  common  stock acquired  in such
offering.  Third,  the  closed-end  fund  shares  must  have  been  continuously
maintained  in  a Merrill  Lynch  securities account.  Fourth,  there must  be a
minimum purchase  of $250  to be  eligible for  the investment  option. Class  A
shares  of the Fund  are offered at  net asset value  to shareholders of Merrill
Lynch Senior Floating Rate Fund, Inc. ("Senior Floating Rate Fund") who wish  to
reinvest the net proceeds from a sale of certain of their shares of common stock
of  Senior Floating Rate Fund  in shares of the Fund.  In order to exercise this
investment option, Senior Floating Rate Fund shareholders must sell their Senior
Floating Rate Fund shares to the Senior Floating Rate Fund in connection with  a
tender  offer  conducted  by the  Senior  Floating  Rate Fund  and  reinvest the
proceeds immediately in the Fund. This investment option is available only  with
respect to the proceeds of Senior Floating Rate Fund shares as to which no Early
Withdrawal  Charge (as defined  in the Senior Floating  Rate Fund prospectus) is
applicable. Purchase orders from Senior Floating Rate Fund shareholders  wishing
to  exercise this investment  option will be  accepted only on  the day that the
related Senior Floating Rate Fund tender  offer terminates and will be  effected
at the net asset value of the Fund at such day.
    

   
    ACQUISITION  OF CERTAIN INVESTMENT  COMPANIES. The public  offering price of
Class D shares  may be  reduced to  the net  asset value  per Class  D share  in
connection with the acquisition of the assets of or merger or consolidation with
a  personal holding company or a public or private investment company. The value
of the assets or company acquired in  a tax-free transaction may be adjusted  in
appropriate  cases to reduce possible adverse tax consequences to the Fund which
might result from an  acquisition of assets  having net unrealized  appreciation
which  is disproportionately higher at the time of acquisition than the realized
or unrealized  appreciation of  the Fund.  The issuance  of Class  D shares  for
consideration other than cash is limited to bona fide reorganizations, statutory
mergers  or  other  acquisitions  of portfolio  securities  which  (i)  meet the
investment objectives and policies of the Fund, (ii) are acquired for investment
and not for  resale (subject to  the understanding that  the disposition of  the
Fund's  portfolio securities shall at all  times remain within its control); and
(iii) are liquid securities, the value of which is readily ascertainable,  which
are
    

                                       23
<PAGE>
   
not  restricted as to transfer either by law or liquidity of market (except that
the Fund may acquire through such transactions restricted or illiquid securities
to the extent the Fund does not exceed applicable limits on acquisition of  such
securities set forth under "Investment Objective and Policies" herein).
    

   
DISTRIBUTION PLANS
    
   
    Reference  is  made to  "Purchase of  Shares --  Distribution Plans"  in the
Prospectus for certain  information with  respect to  the separate  distribution
plans  for Class B, Class C and Class  D shares pursuant to Rule 12b-1 under the
1940 Act (each a  "Distribution Plan") with respect  to the account  maintenance
and/or  distribution fees paid  by the Fund  to the Distributor  with respect to
such classes.
    

   
    Payments of the account maintenance and/or distribution fees are subject  to
the  provisions  of Rule  12b-1 under  the  1940 Act.  Among other  things, each
Distribution Plan provides that the  Distributor shall provide and the  Trustees
shall  review quarterly reports  of the disbursement  of the account maintenance
and/or distribution fees paid to the Distributor. In their consideration of each
Distribution Plan, the Trustees  must consider all  factors they deem  relevant,
including  information as to the  benefits of the Distribution  Plan to the Fund
and its related class of  shareholders. Each Distribution Plan further  provides
that,  so long  as the  Distribution Plan remains  in effect,  the selection and
nomination of Trustees who are not "interested persons" of the Trust, as defined
in the  1940  Act  (the  "Independent Trustees"),  shall  be  committed  to  the
discretion  of  the  Independent  Trustees then  in  office.  In  approving each
Distribution Plan  in  accordance  with Rule  12b-1,  the  Independent  Trustees
concluded  that there is reasonable likelihood  that such Distribution Plan will
benefit the Fund and its related  class of shareholders. Each Distribution  Plan
can be terminated at any time, without penalty, by the vote of a majority of the
Independent  Trustees  or  by the  vote  of the  holders  of a  majority  of the
outstanding related class of voting securities of the Fund. A Distribution  Plan
cannot  be amended  to increase materially  the amount  to be spent  by the Fund
without the  approval of  the related  class of  shareholders and  all  material
amendments  are required  to be  approved by the  vote of  Trustees, including a
majority of the Independent  Trustees who have no  direct or indirect  financial
interest  in such Distribution Plan, cast in person at a meeting called for that
purpose. Rule 12b-1  further requires  that the  Trust preserve  copies of  such
Distribution  Plan and any report made pursuant to such plan for a period of not
less than six years from the date of such Distribution Plan or such report,  the
first two years in an easily accessible place.
    

   
LIMITATIONS ON THE PAYMENT OF DEFERRED SALES CHARGES
    
   
    The  maximum sales charge rule in the Rules of Fair Practice of the National
Association of Securities Dealers, Inc. ("NASD") imposes a limitation on certain
asset-based sales charges such as the distribution fee and the CDSC borne by the
Class B and  Class C shares  but not  the account maintenance  fee. The  maximum
sales  charge rule  is applied  separately to each  class. As  applicable to the
Fund, the maximum  sales charge rule  limits the aggregate  of distribution  fee
payments  and CDSCs payable by the Fund to  (1) 6.25% of eligible gross sales of
Class B  shares and  Class C  shares, computed  separately (defined  to  exclude
shares  issued  pursuant  to  dividend reinvestments  and  exchanges),  plus (2)
interest on the unpaid balance for the respective class, computed separately, at
the prime rate  plus 1%  (the unpaid balance  being the  maximum amount  payable
minus  amounts received from the payment of  the distribution fee and the CDSC).
In connection with the Class B shares, the Distributor has voluntarily agreed to
waive interest charges  on the  unpaid balance in  excess of  0.50% of  eligible
gross  sales.  Consequently,  the  maximum  amount  payable  to  the Distributor
(referred to as the "voluntary maximum")  in connection with the Class B  shares
is  6.75% of  eligible gross  sales. The Distributor  retains the  right to stop
waiving the interest charges at any time. To the
    

                                       24
<PAGE>
   
extent payments  would exceed  the voluntary  maximum, the  Fund will  not  make
further payments of the distribution fee with respect to Class B shares, and any
CDSCs will be paid to the Fund rather than to the Distributor; however, the Fund
will  continue  to make  payments  of the  account  maintenance fee.  In certain
circumstances the amount payable  pursuant to the  voluntary maximum may  exceed
the  amount payable  under the  NASD formula.  In such  circumstances payment in
excess of the amount payable under the NASD formula will not be made.
    

   
    The following table sets forth comparative  information as of July 31,  1994
with  respect to the Class B shares of the Fund indicating the maximum allowable
payments that can  be made  under the  NASD maximum  sales charge  rule and  the
Distributor's  voluntary maximum for the  period February 28, 1992 (commencement
of the public issuance of Class B shares) to July 31, 1994. Since Class C shares
of the Fund had not been publicly issued prior to the date of this Statement  of
Additional  Information,  information  concerning  Class  C  shares  is  not yet
provided below.
    
   
<TABLE>
<CAPTION>
                                                                DATA CALCULATED AS OF JULY 31, 1994
                                         ----------------------------------------------------------------------------------
<S>                                      <C>          <C>          <C>            <C>          <C>              <C>
                                                                           (IN THOUSANDS)

<CAPTION>
                                                                     ALLOWABLE                     AMOUNTS
                                          ELIGIBLE     AGGREGATE    INTEREST ON     MAXIMUM      PREVIOUSLY      AGGREGATE
                                            GROSS        SALES        UNPAID        AMOUNT         PAID TO        UNPAID
                                          SALES(1)      CHARGES       BALANCE       PAYABLE    DISTRIBUTOR(3)     BALANCE
                                         -----------  -----------  -------------  -----------  ---------------  -----------
<S>                                      <C>          <C>          <C>            <C>          <C>              <C>
Under NASD Rule As Adopted.............   $  82,350    $   5,147     $     609     $   5,756      $     749      $   5,007
Under Distributor's Voluntary Waiver...   $  82,350    $   5,147     $     412     $   5,559      $     749      $   4,810

<CAPTION>

<S>                                      <C>

                                             ANNUAL
                                          DISTRIBUTION
                                         FEE AT CURRENT
                                            NET ASSET
                                            LEVEL(4)
                                         ---------------
<S>                                      <C>
Under NASD Rule As Adopted.............     $     191
Under Distributor's Voluntary Waiver...     $     191
<FN>
- ------------
(1)  Purchase price of all eligible Class B shares sold since February 28,  1992
     (commencement  of operations)  other than shares  acquired through dividend
     reinvestment and the exchange privilege.
(2)  Interest is  computed on  a monthly  basis based  upon the  prime rate,  as
     reported  in THE WALL STREET JOURNAL, plus  1%, as permitted under the NASD
     Rule.
(3)  Consists of CDSC payments, distribution  fee payments and accruals. Of  the
     distribution  fee payments made prior to July 6, 1993 under a prior plan at
     the 0.50% rate, 0.25%  of average daily  net assets has  been treated as  a
     distribution  fee and 0.25% of average daily  net assets has been deemed to
     have been a service fee  and not subject to  the NASD maximum sales  charge
     rule. See "Purchase of Shares -- Distribution Plans".
(4)  Provided   to  illustrate  the  extent  to   which  the  current  level  of
     distribution fee  payments (not  including  any contingent  deferred  sales
     charge  payments) is  amortizing the  unpaid balance.  No assurance  can be
     given that payments of the distribution fee will reach either the voluntary
     maximum or the NASD maximum.
</TABLE>
    

                              REDEMPTION OF SHARES

    Reference is made to  "Redemption of Shares" in  the Prospectus for  certain
information as to the redemption and repurchase of Fund shares.

    The  right to redeem shares  or to receive payment  with respect to any such
redemption may be suspended only for any period during which trading on the  New
York  Stock  Exchange is  restricted  as determined  by  the Commission  or such
Exchange is closed (other than customary weekend and holiday closings), for  any
period  during which  an emergency  exists, as defined  by the  Commission, as a
result of which  disposal of portfolio  securities or determination  of the  net
asset  value  of the  Fund is  not  reasonably practicable,  and for  such other
periods as the Commission may by order permit for the protection of shareholders
of the Fund.

                                       25
<PAGE>
   
DEFERRED SALES CHARGE--CLASS B SHARES
    

   
    As discussed in the Prospectus under  "Purchase of Shares -- Deferred  Sales
Charge  Alternatives  -- Class  B  and Class  C  Shares", while  Class  B shares
redeemed within  four  years  of purchase  are  subject  to a  CDSC  under  most
circumstances,  the charge is waived on  redemptions of Class B shares following
the death or  disability of  a Class B  shareholder. Redemptions  for which  the
waiver  applies are  any partial or  complete redemption following  the death or
disability (as defined  in the  Internal Revenue Code  of 1986  as amended  (the
"Code"))  of a Class B shareholder (including one who owns the Class B shares as
joint tenant  with his  or her  spouse), provided  the redemption  is  requested
within  one year of  the death or  initial determination of  disability. For the
period February 28, 1992 (commencement of operations) through July 31, 1992, the
Distributor received CDSCs of  $3,131, all of which  was paid to Merrill  Lynch.
For  the fiscal  years ended  July 31, 1993  and 1994,  the Distributor received
CDSCs of $128,971 and $258,962, respectively,  all of which was paid to  Merrill
Lynch.
    

                             PORTFOLIO TRANSACTIONS

    Reference  is  made to  "Investment Objective  and Policies"  and "Portfolio
Transactions" in the Prospectus.

   
    Under the 1940 Act,  persons affiliated with the  Trust are prohibited  from
dealing  with the  Fund as a  principal in  the purchase and  sale of securities
unless such trading is permitted by an exemptive order issued by the Commission.
Since  over-the-counter   transactions  are   usually  principal   transactions,
affiliated  persons  of the  Trust, including  Merrill Lynch,  may not  serve as
dealer in connection with transactions with the Fund. The Trust has obtained  an
exemptive  order permitting it to engage  in certain principal transactions with
Merrill Lynch  involving  high quality  short-term  municipal bonds  subject  to
certain   conditions.  For  the  period   February  28,  1992  (commencement  of
operations) through July 31, 1992, the Fund engaged in no transactions  pursuant
to  such order.  For the  year ended July  31, 1993,  the Fund  engaged in three
transactions pursuant to such order for an aggregate market value of $1,200,000.
For the year ended July 31, 1994, the Fund engaged in ten transactions  pursuant
to such order for an aggregate market value of $9,309,470. Affiliated persons of
the  Trust may  serve as  broker for  the Fund  in over-the-counter transactions
conducted on an agency basis. Certain  court decisions have raised questions  as
to  the extent  to which investment  companies should seek  exemptions under the
1940 Act in  order to  seek to recapture  underwriting and  dealer spreads  from
affiliated  entities. The Trustees have  considered all factors deemed relevant,
and have made  a determination  not to  seek such  recapture at  this time.  The
Trustee will reconsider this matter from time to time.
    

    Under  the  1940  Act,  the  Fund  may  not  purchase  securities  from  any
underwriting syndicate of which Merrill Lynch is a member except pursuant to  an
exemptive  order or rules adopted  by the Commission. Rule  10f-3 under the 1940
Act sets forth conditions under which  the Fund may purchase municipal bonds  in
such  transactions. The  rule sets forth  requirements relating  to, among other
things, the terms  of an issue  of municipal  bonds purchased by  the Fund,  the
amount of municipal bonds which may be purchased in any one issue and the assets
of the Fund which may be invested in a particular issue.

                                       26
<PAGE>
    The  Fund does not expect  to use any particular  dealer in the execution of
transactions but, subject to obtaining the best net results, dealers who provide
supplemental investment  research  (such as  information  concerning  tax-exempt
securities,  economic  data and  market forecasts)  to  the Manager  may receive
orders for transactions by the Fund. Information so received will be in addition
to and not in lieu of the services required to be performed by the Manager under
its Management Agreement and the expenses of the Manager will not necessarily be
reduced as a result of the receipt of such supplemental information.

   
    Generally, the  Fund does  not purchase  securities for  short-term  trading
profits.  However, the Fund may dispose of securities without regard to the time
they have been held  when such action, for  defensive or other reasons,  appears
advisable  to its Manager.  While it is  not possible to  predict turnover rates
with any  certainty,  at  present  it is  anticipated  that  the  Fund's  annual
portfolio  turnover rate, under normal  circumstances after the Fund's portfolio
is invested in accordance with its investment objective, will be less than 100%.
(The portfolio turnover rate is calculated  by dividing the lesser of  purchases
or  sales of portfolio securities for the  particular fiscal year by the monthly
average of the value of  the portfolio securities owned  by the Fund during  the
particular  fiscal year. For  purposes of determining  this rate, all securities
whose maturities at the time of acquisition are one year or less are  excluded.)
The  portfolio  turnover  for  the period  February  28,  1992  (commencement of
operations) through July 31,  1992, was 18.86%. The  portfolio turnover for  the
years ended July 31, 1993 and 1994 was 39.37% and 72.13%, respectively.
    

   
    Section  11(a)  of the  Securities  and Exchange  Act  of 1934,  as amended,
generally prohibits  members  of the  U.S.  national securities  exchanges  from
executing  exchange transactions for their affiliates and institutional accounts
which they manage unless the member (i) has obtained prior express authorization
from the account to effect such  transactions, (ii) at least annually  furnishes
the  account with a statement setting  forth the aggregate compensation received
by the member in effecting such transactions, and (iii) complies with any  rules
the  Securities  and  Exchange Commission  has  prescribed with  respect  to the
requirements of clauses (i) and (ii). To the extent Section 11(a) would apply to
Merrill Lynch  acting  as  a  broker  for the  Fund  in  any  of  its  portfolio
transactions  executed on any such securities exchange  of which it is a member,
appropriate consents have been obtained from  the Fund and annual statements  as
to aggregate compensation will be provided to the Fund.
    

                        DETERMINATION OF NET ASSET VALUE

   
    The  net asset value  of the Fund  is determined by  the Manager once daily,
Monday through Friday, as of 4:15 P.M.,  New York City time, on each day  during
which  the  New York  Stock Exchange  is open  for trading.  The New  York Stock
Exchange is not open on New  Year's Day, Presidents' Day, Good Friday,  Memorial
Day,  Independence Day, Labor Day, Thanksgiving Day and Christmas Day. Net asset
value per share is computed by dividing  the sum of the value of the  securities
held  by the  Fund plus any  cash or other  assets minus all  liabilities by the
total number of shares  outstanding at such time,  rounded to the nearest  cent.
Expenses, including the fees payable to the Manager and Distributor, are accrued
daily.  The net asset value per share of  each class of shares is expected to be
equivalent. The per share net asset value of Class B, Class C and Class D shares
generally will be lower  than the per  share net asset value  of Class A  shares
reflecting  the  higher  daily  expense  accruals  of  the  account maintenance,
distribution fees, and higher  transfer agency fees  applicable with respect  to
the  Class B and  Class C shares and  the daily expense  accruals of the account
maintenance fees with  respect to Class  D shares; moreover,  the per share  net
asset  value of Class B and Class C  shares generally will be lower than the per
share net assset value of Class D shares
    

                                       27
<PAGE>
   
reflecting the  daily  expense accruals  of  the distribution  fees  and  higher
transfer  agency fees applicable with  respect to Class C  and Class D shares of
the Fund. Even under those circumstances, the  per share net asset value of  the
four  classes will tend to converge  immediately after the payment of dividends,
which  will  differ  by  approximately   the  amount  of  the  expense   accrual
differential between the classes.
    

    The Municipal Bonds and other portfolio securities in which the Fund invests
are  traded primarily in  over-the-counter municipal bond  and money markets and
are valued at the last available bid price in the over-the-counter market or  on
the  basis of yield equivalents  as obtained from one  or more dealers that make
markets in the securities.  One bond is the  "yield equivalent" of another  bond
when, taking into account market price, maturity, coupon rate, credit rating and
ultimate   return  of  principal,  both  bonds  will  theoretically  produce  an
equivalent return to  the bondholder.  Financial futures  contracts and  options
thereon, which are traded on exchanges, are valued at their settlement prices as
of  the  close  of  such  exchanges.  Securities  and  assets  for  which market
quotations are not readily available are  valued at fair value as determined  in
good  faith by or  under the direction  of the Trustees  of the Trust, including
valuations furnished  by a  pricing service  retained by  the Trust,  which  may
utilize  a matrix system  for valuations. The procedures  of the pricing service
and its valuations are reviewed by the  officers of the Trust under the  general
supervision of the Trustees.

                              SHAREHOLDER SERVICES

   
    The  Trust offers a number of shareholder services described below which are
designed to facilitate investment in shares of the Fund. Full details as to each
of such services and copies of the various plans described below can be obtained
from the Trust, the Distributor or Merrill Lynch.
    

INVESTMENT ACCOUNT

   
    Each shareholder whose account  is maintained at the  Transfer Agent has  an
Investment  Account and  will receive statements,  at least  quarterly, from the
Transfer Agent. These  statements will  serve as  transaction confirmations  for
automatic investment purchases and the reinvestment of ordinary income dividends
and  long-term capital gains distributions. These  statements will also show any
other activity  in  the  account  since  the  previous  statement.  Shareholders
considering  transferring their Class A or Class  D shares from Merrill Lynch to
another brokerage firm  or financial institution  should be aware  that, if  the
firm  to which the Class A or Class D shares are to be transferred will not take
delivery of shares of the Fund, a shareholder either must redeem the Class A  or
Class  D shares (paying  any applicable CDSC)  so that the  cash proceeds can be
transferred to the account at the new firm or such shareholder must continue  to
maintain  an Investment Account at the Transfer Agent for those Class A or Class
D shares.  Shareholders interested  in transferring  their Class  B or  Class  C
shares  from Merrill  Lynch and who  do not  wish to have  an Investment Account
maintained for such shares at the Transfer Agent may request their new brokerage
firm to  maintain such  shares  in an  account registered  in  the name  of  the
brokerage  firm for  the benefit  of the  shareholder at  the Transfer  Agent. A
shareholder may make additions to his Investment Account at any time by  mailing
a check directly to the Transfer Agent.
    

                                       28
<PAGE>
    Share  certificates  are  issued only  for  full  shares and  only  upon the
specific request of the shareholder who  has an Investment Account. Issuance  of
certificates  representing all or only part of  the full shares in an Investment
Account may be requested by a shareholder directly from the Transfer Agent.

AUTOMATIC INVESTMENT PLAN

   
    A shareholder may  make additions to  an Investment Account  at any time  by
purchasing  Class  A  (if an  eligible  Class  A investor  as  described  in the
Prospectus), Class  B,  Class C  or  Class D  shares  at the  applicable  public
offering  price either through  the shareholder's securities  dealer, or by mail
directly to the  Transfer Agent, acting  as agent for  such securities  dealers.
Voluntary  accumulation also can be  made through a service  known as the Fund's
Automatic Investment Plan whereby the Fund is authorized through  pre-authorized
checks  or automatic clearing house debits of  $50 or more to charge the regular
bank account  of  the shareholder  on  a  regular basis  to  provide  systematic
additions   to  the  Investment  Account  of  such  shareholder.  Alternatively,
investors who maintain CMA-R- accounts may arrange to have periodic  investments
made  in the  Fund in  their CMA-R-  account or  in certain  related accounts in
amounts of $100 or more through the CMA-R- Automated Investment Program.
    

AUTOMATIC REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS

    Unless specific  instructions are  given  as to  the  method of  payment  of
dividends  and capital gains distributions,  dividends and distributions will be
reinvested automatically in  additional shares  of the  Fund. Such  reinvestment
will be at the net asset value of shares of the Fund as of the close of business
on  the monthly payment date for  such dividends and distributions. Shareholders
may elect in writing to receive  either their income dividends or capital  gains
distributions,  or both, in  cash, in which  event payment will  be mailed on or
about the payment date.

    Shareholders may, at any  time, notify the Transfer  Agent in writing or  by
telephone  (1-800-MER-FUND) that  they no  longer wish  to have  their dividends
and/or capital gains  distributions reinvested  in shares  of the  Fund or  vice
versa  and, commencing ten days after the  receipt by the Transfer Agent of such
notice, such instructions will be effected.

   
SYSTEMATIC WITHDRAWAL PLANS--CLASS A AND CLASS D SHARES
    
   
    A Class A and Class D  shareholder may elect to make systematic  withdrawals
from  an Investment Account on  either a monthly or  quarterly basis as provided
below. Quarterly withdrawals  are available for  shareholders who have  acquired
Class  A or  Class D shares  of the Fund  having a  value, based on  cost or the
current offering price, of $5,000 or more, and monthly withdrawals are available
for shareholders with Class A shares with such a value of $10,000 or more.
    

   
    At the time of each withdrawal payment, sufficient Class A or Class D shares
are redeemed from those on deposit  in the shareholder's account to provide  the
withdrawal  payment specified  by the  shareholder. The  shareholder may specify
either a dollar amount or a  percentage of the value of  his Class A or Class  D
shares.  Redemptions will be made at net asset value as determined at the normal
close of business on the New York Stock Exchange (currently 4:00 P.M., New  York
City  time) on the 24th day  of each month or the 24th  day of the last month of
each quarter, whichever is applicable. If the Exchange is not open for  business
on  such date, the Class  A or Class D  shares will be redeemed  at the close of
business on the  following business day.  The check for  the withdrawal  payment
will  be mailed, or the direct deposit  for the withdrawal payment will be made,
on the next  business day  following redemption.  When a  shareholder is  making
systematic  withdrawals, dividends and  distributions on all Class  A or Class D
shares in the Investment Account are
    

                                       29
<PAGE>
   
reinvested automatically in the Fund's Class A or Class D shares,  respectively.
A  shareholder's  Systematic  Withdrawal Plan  may  be terminated  at  any time,
without charge or penalty, by the shareholder, the Trust, the Transfer Agent  or
the  Distributor.  Withdrawal payments  should not  be considered  as dividends,
yield or income.  Each withdrawal is  a taxable event.  If periodic  withdrawals
continuously  exceed reinvested dividends, the shareholder's original investment
may be  reduced correspondingly.  Purchases of  additional Class  A or  Class  D
shares  concurrent  with  withdrawals  are  ordinarily  disadvantageous  to  the
shareholder because of  sales charges and  tax liabilities. The  Trust will  not
knowingly  accept purchase orders for Class A or Class D shares of the Fund from
investors who  maintain a  Systematic Withdrawal  Plan unless  such purchase  is
equal  to  at least  one year's  scheduled withdrawals  or $1,200,  whichever is
greater. Periodic investments  may not  be made  into an  Investment Account  in
which the shareholder has elected to make systematic withdrawals.
    

   
    A  Class A or Class  D shareholder whose shares are  held within a CMA-R- or
CBA-R- Account  may elect  to  have shares  redeemed  on a  monthly,  bimonthly,
quarterly, semiannual or annual basis through the Systematic Redemption Program.
The  minimum fixed dollar  amount redeemable is $25.  The proceeds of systematic
redemptions will be posted to the shareholder's account five business days after
the date the shares are redeemed. Monthly systematic redemptions will be made at
net asset  value  on  the  first Monday  of  each  month,  bimonthly  systematic
redemption  will be made at  net asset value on the  first Monday of every other
month, and quarterly,  semiannual or annual  redemptions are made  at net  asset
value on the first Monday of months selected at the shareholder's option. If the
first  Monday of the month is a holiday, the redemption will be processed at net
asset value on the next business  day. The Systematic Redemption Program is  not
available  if Company shares are being  purchased within the account pursuant to
the Automatic  Investment  Program.  For  more  information  on  the  Systematic
Redemption   Program,  eligible  shareholders  should  contact  their  Financial
Consultant.
    

EXCHANGE PRIVILEGE

   
    Shareholders of each class of shares of the Fund have an exchange  privilege
with  certain other  MLAM-advised mutual funds  listed below.  Under the Merrill
Lynch Select Pricing System, Class A shareholders may exchange Class A shares of
the Fund  for  Class A  shares  of a  second  MLAM-advised mutual  fund  if  the
shareholder  holds any Class A shares of the second fund in his account in which
the exchange is made  at the time  of the exchange or  is otherwise eligible  to
purchase  Class A shares of the second fund. If the Class A shareholder wants to
exchange Class A shares for shares of a second MLAM-advised mutual fund, and the
shareholder does not hold Class  A shares of the second  fund in his account  at
the time of the exchange and is not otherwise eligible to acquire Class A shares
of  the second fund, the  shareholder will receive Class  D shares of the second
fund as a result of the exchange. Class D shares also may be exchanged for Class
A shares of a  second MLAM-advised mutual fund  at any time as  long as, at  the
time of the exchange, the shareholder holds Class A shares of the second fund in
the  account in which the exchange is  made or is otherwise eligible to purchase
Class A shares of the second fund. Class  B, Class C and Class D shares will  be
exchangeable  with shares of the same  class of other MLAM-advised mutual funds.
For purposes of computing the CDSC that may be payable upon a disposition of the
shares acquired in  the exchange, the  holding period for  the previously  owned
shares  of the  Fund is  "tacked" to  the holding  period of  the newly acquired
shares of the other fund as more fully described below. Class A, Class B,  Class
C  and  Class  D  shares  also  will  be  exchangeable  for  shares  of  certain
MLAM-advised money market funds specifically  designated below as available  for
exchange  by holders of Class A, Class B, Class C or Class D shares. Shares with
a net asset value
    

                                       30
<PAGE>
   
of at least $100  are required to  qualify for the  exchange privilege, and  any
shares  utilized in an  exchange must have  been held by  the shareholder for 15
days. It is contemplated that the exchange privilege may be applicable to  other
new mutual funds whose shares may be distributed by the Distributor.
    

   
    Exchanges  of Class A or Class D shares outstanding ("outstanding Class A or
Class D shares") for Class  A or Class D  shares of another MLAM-advised  mutual
fund  ("new Class A or Class D shares")  are transacted on the basis of relative
net asset value per Class A or Class D share, respectively, plus an amount equal
to the  difference, if  any, between  the sales  charge previously  paid on  the
outstanding  Class A or Class D shares and  the sales charge payable at the time
of the  exchange  on  the new  Class  A  or  Class D  shares.  With  respect  to
outstanding  Class A or Class D shares as to which previous exchanges have taken
place, the "sales  charge previously paid"  shall include the  aggregate of  the
sales charges paid with respect to such Class A or Class D shares in the initial
purchase  and any subsequent exchange. Class A or Class D shares issued pursuant
to dividend  reinvestment are  sold on  a no-load  basis in  each of  the  funds
offering  Class A  or Class  D shares. For  purposes of  the exchange privilege,
Class A or Class D shares acquired through dividend reinvestment shall be deemed
to have been sold with a sales charge equal to the sales charge previously  paid
on  the Class A or Class D shares on  which the dividend was paid. Based on this
formula, Class A or Class D shares  of the Fund generally may be exchanged  into
the  Class A or Class D shares of the  other funds or into shares of the Class A
or Class D money market funds with a reduced or without a sales charge.
    

   
    In addition, each of the  funds with Class B  or Class C shares  outstanding
("outstanding  Class B  or Class C  shares") offers  to exchange its  Class B or
Class C shares for Class  B shares or Class  C shares, respectively, of  another
MLAM-advised  mutual fund  ("new Class  B or  Class C  shares") on  the basis of
relative net asset value per  Class B or Class C  share, without the payment  of
any  CDSC that might otherwise  be due on redemption  of the outstanding shares.
Class B shareholders of the Fund exercising the exchange privilege will continue
to be subject to the  Fund's CDSC schedule if such  schedule is higher than  the
CDSC  schedule relating to  the new Class  B shares acquired  through use of the
exchange privilege. In addition, Class B shares of the Fund acquired through use
of the exchange privilege will  be subject to the  Fund's CDSC schedule if  such
schedule  is higher than the CDSC schedule relating to the Class B shares of the
fund from which the exchange has been made. For purposes of computing the  sales
charge  that may  be payable  on a  disposition of  the new  Class B  or Class C
shares, the holding  period for the  outstanding Class  B or Class  C shares  is
"tacked"  to  the holding  period of  the new  Class  B or  Class C  shares. For
example, an investor  may exchange Class  B or Class  C shares of  the Fund  for
those  of Merrill  Lynch Special Value  Fund, Inc. ("Special  Value Fund") after
having held the Fund's  Class B shares for  two and a half  years. The 2%  sales
charge  that  generally would  apply  to a  redemption  would not  apply  to the
exchange. Three years later the investor may decide to redeem the Class B shares
of the Special Value Fund  and receive cash. There will  be no CDSC due on  this
redemption,  since by "tacking"  the two and  a half year  holding period of the
Fund's Class B shares  to the three  year holding period  for the Special  Value
Fund  Class B shares, the investor  will be deemed to have  held the new Class B
shares for more than five years.
    

   
    Shareholders also may exchange shares from  the Fund into shares of a  money
market  fund advised by  the Manager or  its affiliates, but  the period of time
that Class B or Class  C shares are held  in a Class B  or Class C money  market
fund  will not count towards satisfaction  of the holding period requirement for
purposes of reducing the CDSC. However, shares of a money market fund which were
acquired as a result of an exchange for Class B or Class C shares of a fund may,
in turn, be exchanged back into Class B or Class C
    

                                       31
<PAGE>
   
shares of any fund offering such shares,  in which event the holding period  for
Class  B or Class C shares of the  Fund will be aggregated with previous holding
periods for purposes of  reducing the CDSC. Thus,  for example, an investor  may
exchange  Class B shares of  the Fund for shares  of Merrill Lynch Institutional
Fund ("Institutional Fund") after  having held the Fund  Class B shares for  two
and  a half  years and  three years  later decide  to redeem  the shares  of the
Institutional Fund for cash. At  the time of this  redemption, the 2% CDSC  that
would  have been due had the  Class B shares of the  Fund been redeemed for cash
rather than exchanged for shares of the Institutional Fund will be payable.  If,
instead  of such  redemption the shareholder  exchanged such shares  for Class B
shares of a fund which the shareholder  continues to hold for an additional  two
and a half years, any subsequent redemption will not incur a CDSC.
    

   
    Set  forth below is a description of  the investment objectives of the other
funds into which exchanges can be made:
    

   
<TABLE>
<S>                                            <C>
FUNDS ISSUING CLASS A, CLASS B, CLASS C AND CLASS D SHARES
MERRILL LYNCH ADJUSTABLE RATE SECURITIES
  FUND, INC..................................  High current income consistent with a  policy
                                               of  limiting the degree of fluctuation in net
                                                 asset value of  fund shares resulting  from
                                                 movements   in   interest   rates,  through
                                                 investment  primarily  in  a  portfolio  of
                                                 adjustable   rate   securities,  consisting
                                                 principally of adjustable rate securities.
MERRILL LYNCH AMERICAS INCOME FUND, INC......  A high  level of  current income,  consistent
                                               with  prudent  investment risk,  by investing
                                                 primarily in debt securities denominated in
                                                 a currency  of  a country  located  in  the
                                                 Western  Hemisphere (I.E.,  North and South
                                                 America and the surrounding waters).
MERRILL LYNCH ARIZONA LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited  Maturity  Municipal Series  Trust, a
                                                 series fund, whose objective is to  provide
                                                 as  high  a  level  of  income  exempt from
                                                 Federal and  Arizona  income  taxes  as  is
                                                 consistent with prudent investment
                                                 management    through   investment   in   a
                                                 portfolio  primarily  of  intermediate-term
                                                 investment grade Arizona Municipal Bonds.
MERRILL LYNCH ARIZONA MUNICIPAL BOND FUND....  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income  exempt  from  Federal  and  Arizona
                                                 income  taxes as is consistent with prudent
                                                 investment management.
</TABLE>
    

                                       32
<PAGE>
   
<TABLE>
<S>                                            <C>
MERRILL LYNCH ARKANSAS MUNICIPAL BOND FUND...  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt  from  Federal  and Arkansas
                                                 income taxes as is consistent with  prudent
                                                 investment management.
MERRILL LYNCH ASSET GROWTH FUND, INC.........  High total investment return, consistent with
                                               prudent   risk,  from  investment  in  United
                                                 States and foreign  equity, debt and  money
                                                 market  securities the combination of which
                                                 will be varied both  with respect to  types
                                                 of  securities and  markets in  response to
                                                 changing market and economic trends.
MERRILL LYNCH ASSET INCOME FUND, INC.........  A  high  level  of  current  income   through
                                               investment  primarily in  United States fixed
                                                 income securities.
MERRILL LYNCH BALANCED FUND FOR INVESTMENT
  AND RETIREMENT.............................  As high a level of total investment return as
                                               is consistent with a relatively low level  of
                                                 risk  through  investment in  common stocks
                                                 and other  types of  securities,  including
                                                 fixed  income  securities  and  convertible
                                                 securities.
MERRILL LYNCH BASIC VALUE FUND, INC..........  Capital appreciation, and secondarily, income
                                               by   investing   in   securities,   primarily
                                                 equities,    that   are   undervalued   and
                                                 therefore represent basic investment value.
MERRILL LYNCH CALIFORNIA INSURED MUNICIPAL
  BOND FUND..................................  A  portfolio  of  Merrill  Lynch   California
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt from  Federal and California
                                                 income taxes as is consistent with  prudent
                                                 investment management through investment in
                                                 a portfolio primarily of insured California
                                                 Municipal Bonds.
MERRILL LYNCH CALIFORNIA LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high  a  level  of  income  exempt  from
                                                 Federal  and California income  taxes as is
                                                 consistent with prudent investment
                                                 management through  investment in  a  port-
                                                 folio    primarily   of   intermediate-term
                                                 investment   grade   California   Municipal
                                                 Bonds.
</TABLE>
    

                                       33
<PAGE>
<TABLE>
<S>                                            <C>
MERRILL LYNCH CALIFORNIA MUNICIPAL BOND
  FUND.......................................  A   portfolio  of  Merrill  Lynch  California
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income exempt from  Federal and  California
                                                 income  taxes as is consistent with prudent
                                                 investment management.
MERRILL LYNCH CAPITAL FUND, INC..............  The   highest    total   investment    return
                                               consistent  with prudent risk through a fully
                                                 managed investment policy utilizing equity,
                                                 debt and convertible securities.
MERRILL LYNCH COLORADO MUNICIPAL BOND FUND...  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt  from  Federal  and Colorado
                                                 income taxes as is consistent with  prudent
                                                 investment management.
MERRILL LYNCH CONNECTICUT MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited  Municipal  Series  Trust,  a  series
                                                 fund, whose objective is to provide as high
                                                 as  level of income exempt from Federal and
                                                 Connecticut income taxes  as is  consistent
                                                 with prudent investment management.
MERRILL LYNCH CORPORATE BOND FUND, INC.......  Current    income    from    three   separate
                                               diversified  portfolios   of   fixed   income
                                                 securities.
MERRILL LYNCH DEVELOPING CAPITAL MARKETS
  FUND, INC..................................  Long-term  appreciation through investment in
                                               securities, principally equities, of  issuers
                                                 in   countries   having   smaller   capital
                                                 markets.
MERRILL LYNCH DRAGON FUND, INC...............  Current   appreciation   primarily    through
                                               investment  in equity and  debt securities of
                                                 issuers domiciled in developing
                                                 Asia-Pacific countries  which  include  all
                                                 countries in Asia and the Pacific Basin.
MERRILL LYNCH EUROFUND.......................  Capital    appreciation   primarily   through
                                               investment   in    equity    securities    of
                                                 corporations domiciled in Europe.
MERRILL LYNCH FEDERAL SECURITIES TRUST.......  High  current  return through  investments in
                                               U.S.   Government   and   Government   agency
                                                 securities,  including GNMA mortgage-backed
                                                 certificates  and   other   mortgage-backed
                                                 Government securities.
</TABLE>

                                       34
<PAGE>
   
<TABLE>
<S>                                            <C>
MERRILL LYNCH FLORIDA LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high  a  level  of  income  exempt  from
                                                 Federal  income taxes as is consistent with
                                                 prudent investment management while serving
                                                 to offer  shareholders the  opportunity  to
                                                 own securities exempt from Florida intangi-
                                                 ble   personal   property   taxes   through
                                                 investment  in  a  portfolio  primarily  of
                                                 intermediate-term  investment grade Florida
                                                 Municipal Bonds.
MERRILL LYNCH FLORIDA MUNICIPAL BOND FUND....  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt from Federal income taxes as
                                                 is  consistent   with  prudent   investment
                                                 management    while   seeking    to   offer
                                                 shareholders   the   opportunity   to   own
                                                 securities  exempt from  Florida intangible
                                                 personal property taxes.
MERRILL LYNCH FUND FOR TOMORROW, INC.........  Long-term  growth  through  investment  in  a
                                               portfolio   of   good   quality   securities,
                                                 primarily   common    stock,    potentially
                                                 positioned  to benefit from demographic and
                                                 cultural changes  as they  affect  consumer
                                                 markets.
MERRILL LYNCH FUNDAMENTAL GROWTH FUND,
  INC........................................  Long-term  growth  through  investment  in  a
                                               diversified portfolio  of  equity  securities
                                                 placing  particular  emphasis  on companies
                                                 that have  exhibited  above-average  growth
                                                 rate in earnings.
MERRILL LYNCH GLOBAL ALLOCATION FUND, INC....  High total investment return, consistent with
                                               prudent   risk,   through  a   fully  managed
                                                 investment policy  utilizing United  States
                                                 and  foreign equity, debt  and money market
                                                 securities, the combination  of which  will
                                                 be  varied  from  time  to  time  both with
                                                 respect to  the  types  of  securities  and
                                                 markets  in response to changing market and
                                                 economic trends.
</TABLE>
    

                                       35
<PAGE>

   
<TABLE>
<S>                                            <C>
MERRILL LYNCH GLOBAL BOND FUND FOR INVESTMENT
  AND RETIREMENT.............................  High  total investment return from investment
                                               in government and corporate bonds denominated
                                                 in  various  currencies  and  multinational
                                                 currency units.
MERRILL LYNCH GLOBAL CONVERTIBLE FUND,
  INC........................................  High  total return  from investment primarily
                                               in an international diversified portfolio  of
                                                 convertible  debt  securities,  convertible
                                                 preferred stock and "synthetic" convertible
                                                 securities consisting of  a combination  of
                                                 debt  securities  or  preferred  stock  and
                                                 warrants or options.
MERRILL LYNCH GLOBAL HOLDINGS, INC.
  (residents of Arizona must meet investor
  suitability standards).....................  The   highest    total   investment    return
                                               consistent  with  prudent risk  through world
                                                 wide  investment   in  an   internationally
                                                 diversified portfolio of securities.
MERRILL LYNCH GLOBAL RESOURCES TRUST.........  Long-term  growth  and protection  of capital
                                               from investment in securities of domestic and
                                                 foreign companies that possess  substantial
                                                 natural resources assets.
MERRILL LYNCH GLOBAL SMALLCAP FUND, INC......  Long-term  growth  of  capital  by  investing
                                               primarily in equity  securities of  companies
                                                 with relatively small market
                                                 capitalizations  located in various foreign
                                                 countries and in the United States.
MERRILL LYNCH GLOBAL UTILITY FUND, INC.......  Capital  appreciation   and  current   income
                                               through  investment  of at  least 65%  of its
                                                 total assets in equity and debt  securities
                                                 issued  by  domestic and  foreign companies
                                                 which  are   primarily   engaged   in   the
                                                 ownership  or operation  of facilities used
                                                 to   generate,   transmit   or   distribute
                                                 electricity,   telecommunications,  gas  or
                                                 water.
MERRILL LYNCH GROWTH FUND FOR
  INVESTMENT AND RETIREMENT..................  Growth of  capital and,  secondarily,  income
                                               from investment in a diversified portfolio of
                                                 equity    securities    placing   principal
                                                 emphasis   on   those   securities    which
                                                 management  of the fund  believes to be un-
                                                 dervalued.
</TABLE>
    

                                       36
<PAGE>
   
<TABLE>
<S>                                            <C>
MERRILL LYNCH HEALTHCARE FUND, INC.
  (residents of Wisconsin must meet investor
  suitability standards).....................  Capital   appreciation   through    worldwide
                                               investment  in equity securities of companies
                                                 that derive  or are  expected to  derive  a
                                                 substantial  portion  of  their  sales from
                                                 products and  services in  healthcare  (re-
                                                 sidents  of  Wisconsin  must  meet investor
                                                 suitability standards).
MERRILL LYNCH INTERNATIONAL EQUITY FUND......  Capital appreciation and, secondarily, income
                                               by investing  in a  diversified portfolio  of
                                                 equity  securities  of  issuers  located in
                                                 countries other than the United States.
MERRILL LYNCH LATIN AMERICA FUND, INC........  Capital appreciation  by investing  primarily
                                               in Latin American equity and debt securities.
MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND...  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income exempt  from  Federal  and  Maryland
                                                 income  taxes as is consistent with prudent
                                                 investment management.
MERRILL LYNCH MASSACHUSETTS LIMITED
  MATURITY MUNICIPAL BOND FUND...............  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited  Maturity  Municipal Series  Trust, a
                                                 series fund, whose objective is to  provide
                                                 as  high  a  level  of  income  exempt from
                                                 Federal and Massachusetts  income taxes  as
                                                 is   consistent  with   prudent  investment
                                                 management through  investment in  a  port-
                                                 folio    primarily   of   intermediate-term
                                                 investment  grade  Massachusetts  Municipal
                                                 Bonds.
MERRILL LYNCH MICHIGAN LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high  a  level  of  income  exempt  from
                                                 Federal  and  Michigan income  taxes  as is
                                                 consistent with prudent investment
                                                 management through  investment in  a  port-
                                                 folio    primarily   of   intermediate-term
                                                 investment grade Michigan Municipal Bonds.
</TABLE>
    

                                       37
<PAGE>
<TABLE>
<S>                                            <C>
MERRILL LYNCH MICHIGAN MUNICIPAL BOND FUND...  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt  from  Federal  or  Michigan
                                                 income taxes as is consistent with  prudent
                                                 investment management.
MERRILL LYNCH MINNESOTA MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income exempt  from Federal  and  Minnesota
                                                 personal income taxes as is consistent with
                                                 prudent investment management.
MERRILL LYNCH MUNICIPAL BOND FUND, INC.......  Tax-exempt   income   from   three   separate
                                               diversified portfolios of municipal bonds.
MERRILL LYNCH MUNICIPAL INTERMEDIATE TERM
  FUND.......................................  Currently the only portfolio of Merrill Lynch
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income  as  possible  exempt  from  Federal
                                                 income  taxes  by  investing  in investment
                                                 grade obligations  with a  dollar  weighted
                                                 average maturity of five to twelve years.
MERRILL LYNCH NEW JERSEY LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high  a  level  of  income  exempt  from
                                                 Federal  and New Jersey  income taxes as is
                                                 consistent with prudent investment
                                                 management through  investment in  a  port-
                                                 folio    primarily   of   intermediate-term
                                                 investment  grade   New  Jersey   Municipal
                                                 Bonds.
MERRILL LYNCH NEW JERSEY MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income exempt from  Federal and New  Jersey
                                                 income  taxes as is consistent with prudent
                                                 investment management.
</TABLE>

                                       38
<PAGE>
<TABLE>
<S>                                            <C>
MERRILL LYNCH NEW MEXICO MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt from Federal  and New Mexico
                                                 income taxes as is consistent with  prudent
                                                 investment management.
MERRILL LYNCH NEW YORK LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high  a  level  of  income  exempt  from
                                                 Federal,  New York State  and New York City
                                                 income taxes as is consistent with  prudent
                                                 investment management through investment in
                                                 a  portfolio primarily of intermediate-term
                                                 investment grade New York Municipal Bonds.
MERRILL LYNCH NEW YORK MUNICIPAL BOND FUND...  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt from Federal, New York State
                                                 and  New  York  City  income  taxes  as  is
                                                 consistent with prudent investment
                                                 management.
MERRILL LYNCH NORTH CAROLINA MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income  exempt  from   Federal  and   North
                                                 Carolina income taxes as is consistent with
                                                 prudent investment management.
MERRILL LYNCH OHIO MUNICIPAL BOND FUND.......  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal Series Trust, a series fund,  whose
                                                 objective  is to provide as high a level of
                                                 income exempt from Federal and Ohio  income
                                                 taxes   as   is  consistent   with  prudent
                                                 investment management.
MERRILL LYNCH OREGON MUNICIPAL BOND FUND.....  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income   exempt  from  Federal  and  Oregon
                                                 income taxes as is consistent with  prudent
                                                 investment management.
</TABLE>

                                       39
<PAGE>
<TABLE>
<S>                                            <C>
MERRILL LYNCH PACIFIC FUND, INC..............  Capital  appreciation by  investing in equity
                                               securities of corporations  domiciled in  Far
                                                 Eastern   and  Western  Pacific  countries,
                                                 including Japan, Australia,  Hong Kong  and
                                                 Singapore.
MERRILL LYNCH PENNSYLVANIA LIMITED MATURITY
  MUNICIPAL BOND FUND........................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Limited Maturity  Municipal Series  Trust,  a
                                                 series  fund, whose objective is to provide
                                                 as high a level  of personal income  exempt
                                                 from  Federal and Pennsylvania income taxes
                                                 as is  consistent with  prudent  investment
                                                 management    through   investment   in   a
                                                 portfolio  primarily  of  intermediate-term
                                                 investment   grade  Pennsylvania  Municipal
                                                 Bonds.
MERRILL LYNCH PENNSYLVANIA MUNICIPAL BOND
  FUND.......................................  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income exempt from Federal and Pennsylvania
                                                 personal income taxes as is consistent with
                                                 prudent investment management.
MERRILL LYNCH PHOENIX FUND, INC..............  Long-term  growth of capital  by investing in
                                               equity and fixed income securities, including
                                                 tax-exempt securities, of  issuers in  weak
                                                 financial  condition  or  experiencing poor
                                                 operating   results    believed    to    be
                                                 undervalued  relative  to  the  current  or
                                                 prospective condition of such issuer.
MERRILL LYNCH SHORT-TERM GLOBAL INCOME FUND,
  INC........................................  As high  a  level  of current  income  as  is
                                               consistent with prudent investment management
                                                 from  a  global portfolio  of  high quality
                                                 debt  securities  denominated  in   various
                                                 currencies and multinational currency units
                                                 and   having   remaining   maturities   not
                                                 exceeding three years.
MERRILL LYNCH SPECIAL VALUE FUND, INC........  Long-term growth of capital from  investments
                                               in  securities,  primarily common  stocks, of
                                                 relatively small companies believed to have
                                                 special  investment   value  and   emerging
                                                 growth companies regardless of size.
MERRILL LYNCH STRATEGIC DIVIDEND FUND........  Long-term  total  return  from  investment in
                                               dividend paying  common  stocks  which  yield
                                                 more  than Standard &  Poor's 500 Composite
                                                 Stock Price Index.
</TABLE>

                                       40
<PAGE>
   
<TABLE>
<S>                                            <C>
MERRILL LYNCH TECHNOLOGY FUND, INC...........  Capital   appreciation   through    worldwide
                                               investment  in equity securities of companies
                                                 that derive  or are  expected to  derive  a
                                                 substantial  portion  of  their  sales from
                                                 products and services in technology.
MERRILL LYNCH TEXAS MUNICIPAL BOND FUND......  A  portfolio  of  Merrill  Lynch  Multi-State
                                               Municipal  Series Trust, a series fund, whose
                                                 objective is to provide as high a level  of
                                                 income  exempt from Federal income taxes as
                                                 is  consistent   with  prudent   investment
                                                 management  by  investing  primarily  in  a
                                                 portfolio of  long-term,  investment  grade
                                                 municipal  obligations issued  by the State
                                                 of  Texas,   its  political   subdivisions,
                                                 agencies and instrumentalities.
MERRILL LYNCH UTILITY INCOME FUND, INC.......  High  current  income  through  investment in
                                               equity  and   debt   securities   issued   by
                                                 companies  which  are primarily  engaged in
                                                 the ownership  or operation  of  facilities
                                                 used  to  generate, transmit  or distribute
                                                 electricity,  telecommunications,  gas   or
                                                 water.
MERRILL LYNCH WORLD INCOME FUND, INC.........  High  current income by investing in a global
                                               portfolio   of   fixed   income    securities
                                                 denominated in various currencies,
                                                 including multinational currency units.
CLASS A SHARE MONEY MARKET FUNDS
MERRILL LYNCH READY ASSETS TRUST.............  Preservation  of  capital, liquidity  and the
                                               highest possible  current  income  consistent
                                                 with  the  foregoing  objectives  from  the
                                                 short-term money market securities in which
                                                 the Fund invests.
MERRILL LYNCH RETIREMENT RESERVES MONEY FUND
  (available only if the exchange occurs
  within certain retirement plans)...........  Currently the only portfolio of Merrill Lynch
                                               Retirement Series Trust, a series fund, whose
                                                 objectives are current income, preservation
                                                 of capital  and  liquidity  available  from
                                                 investing  in  a  diversified  portfolio of
                                                 short-term money market securities.
MERRILL LYNCH U.S.A. GOVERNMENT RESERVES.....  Preservation of capital,  current income  and
                                               liquidity  available from investing in direct
                                                 obligations  of  the  U.S.  Government  and
                                                 repurchase   agreements  relating  to  such
                                                 securities.
</TABLE>
    

                                       41
<PAGE>
   
<TABLE>
<S>                                            <C>
MERRILL LYNCH U.S. TREASURY MONEY FUND.......  Preservation  of   capital,   liquidity   and
                                               current income through investment exclusively
                                                 in  a  diversified portfolio  of short-term
                                                 marketable  securities  which  are   direct
                                                 obligations of the U.S. Treasury.
CLASS B, CLASS C AND CLASS D SHARE MONEY MARKET FUNDS
MERRILL LYNCH GOVERNMENT FUND................  A   portfolio  of  Merrill  Lynch  Funds  For
                                               Institutions Series,  a  series  fund,  whose
                                                 objective  is  to  provide  current  income
                                                 consistent with liquidity  and security  of
                                                 principal  from investment in direct short-
                                                 term obligations of  the U.S. Treasury  and
                                                 repurchase   agreements  secured   by  such
                                                 obligations.
MERRILL LYNCH INSTITUTIONAL FUND.............  A  portfolio  of  Merrill  Lynch  Funds   For
                                               Institutions  Series,  a  series  fund, whose
                                                 objective is  to  provide  maximum  current
                                                 income  consistent  with liquidity  and the
                                                 maintenance of a high-quality portfolio  of
                                                 money market securities.
MERRILL LYNCH INSTITUTIONAL TAX-EXEMPT
  FUND.......................................  A   portfolio  of  Merrill  Lynch  Funds  For
                                               Institutions Series,  a  series  fund,  whose
                                                 objective  is  to  provide  current  income
                                                 exempt   from    Federal   income    taxes,
                                                 preservation   of  capital   and  liquidity
                                                 available from investing  in a  diversified
                                                 portfolio   of  short-term,   high  quality
                                                 municipal bonds.
MERRILL LYNCH TREASURY FUND..................  A  portfolio  of  Merrill  Lynch  Funds   For
                                               Institutions  Series,  a  series  fund, whose
                                                 objective  is  to  provide  current  income
                                                 consistent  with liquidity  and security of
                                                 principal from investment in direct obliga-
                                                 tions of the U.S. Treasury and up to 10% of
                                                 its total assets  in repurchase  agreements
                                                 secured by such obligations.
</TABLE>
    

   
    Before  effecting  an exchange,  shareholders of  the  Fund should  obtain a
currently effective prospectus  of the  fund into which  the exchange  is to  be
made.
    

   
    To  exercise the exchange privilege, shareholders  should contact his or her
Merrill Lynch financial consultant,  who will advise the  Fund of the  exchange.
Shareholders  of the Fund,  and shareholders of the  other funds described above
with shares  for which  certificates  have not  been  issued, may  exercise  the
exchange  privilege by wire through their  securities dealers. The Fund reserves
the right to require  a properly completed  Exchange Application. This  exchange
privilege may be modified or terminated at any time in accordance with the rules
of  the Commission. The Fund reserves the right  to limit the number of times an
investor may  exercise the  exchange privilege.  Certain funds  may suspend  the
continuous  offering of their shares at any  time and thereafter may resume such
offering from time  to time. The  exchange privilege is  available only to  U.S.
shareholders in states where the exchange legally may be made.
    

                                       42
<PAGE>
                            DISTRIBUTIONS AND TAXES

   
    The  Trust  intends to  continue to  qualify  the Fund  for the  special tax
treatment afforded regulated  investment companies ("RICs")  under the  Internal
Revenue Code of 1986, as amended (the"Code"). If it so qualifies, in any taxable
year  in which it distributes at least 90%  of its taxable net income and 90% of
its tax-exempt net income (see below), the Fund (but not its shareholders)  will
not  be subject to Federal income tax to  the extent that it distributes its net
investment income and net realized capital gains. The Trust intends to cause the
Fund to distribute substantially all of such income.
    

   
    As discussed  in the  Fund's  Prospectus, the  Trust has  established  other
series  in addition  to the  Fund (together with  the Fund,  the "Series"). Each
Series of the Trust is treated as a separate corporation for Federal income  tax
purposes.  Each  Series, therefore,  is considered  to be  a separate  entity in
determining its treatment under the rules for RICs described in the  Prospectus.
Losses in one Series do not offset gains in another Series, and the requirements
(other  than certain organizational requirements) for qualifying for RIC will be
determined at the Series level rather than at the Trust level.
    

   
    The Code requires a RIC to pay  a nondeductible 4% excise tax to the  extent
the  RIC does  not distribute,  during each calendar  year, 98%  of its ordinary
income, determined  on a  calendar year  basis, and  98% of  its capital  gains,
determined,  in general, on  an October 31 year  end, plus certain undistributed
amounts from previous years. The required distributions, however, are based only
on the taxable income of  a RIC. The excise  tax, therefore, generally will  not
apply  to  the  tax-exempt  income  of  a  RIC,  such  as  the  Fund,  that pays
exempt-interest dividends.
    

   
    The Trust intends to qualify the Fund to pay "exempt-interest dividends"  as
defined in Section 852(b)(5) of the Code. Under such section if, at the close of
each quarter of the Fund's taxable year, at least 50% of the value of the Fund's
total assets consists of obligations exempt from Federal income tax ("tax-exempt
obligations")   under  Section  103(a)  of   the  Code  (relating  generally  to
obligations of a state or local governmental unit), the Fund shall be  qualified
to  pay exempt-interest dividends to  its Class A, Class B,  Class C and Class D
shareholders  (together,  the  "shareholders").  Exempt-interest  dividends  are
dividends  or  any part  thereof  paid by  the  Fund which  are  attributable to
interest  on   tax-exempt   obligations  and   designated   by  the   Trust   as
exempt-interest  dividends in a written notice mailed to the Fund's shareholders
within 60 days after the close of the Fund's taxable year. For this purpose, the
Fund will allocate  interest from  tax-exempt obligations (as  well as  ordinary
income,  capital gains and tax preference items discussed below) among the Class
A, Class B, Class  C and Class  D shareholders according to  a method (which  it
believes  is  consistent with  the Commission's  exemptive order  permitting the
issuance and sale  of multiple classes  of shares)  that is based  on the  gross
income  allocable to Class A,  Class B, Class C  and Class D shareholders during
the taxable  year or  such other  method  as the  Internal Revenue  Service  may
prescribe.   To  the  extent  that  the  dividends  distributed  to  the  Fund's
shareholders are derived  from interest  income exempt from  Federal income  tax
under  Code  Section  103(a),  and are  properly  designated  as exempt-interest
dividends, they will be excludable from a shareholder's gross income for Federal
income  tax  purposes.  Exempt-interest  dividends  are  included,  however,  in
determining  the portion,  if any,  of a  person's social  security and railroad
retirement benefits subject  to Federal income  taxes. Interest on  indebtedness
incurred   or  continued   to  purchase  or   carry  shares  of   a  RIC  paying
exempt-interest dividends,  such as  the Fund,  will not  be deductible  by  the
investor for Federal or Massachusetts personal income tax purposes to the extent
attributable  to exempt-interest dividends. Shareholders  are advised to consult
their tax advisers with respect to whether exempt-interest
    

                                       43
<PAGE>
dividends retain the exclusion under Code Section 103(a) if a shareholder  would
be treated as a "substantial user" or "related person" under Code Section 147(a)
with  respect to property financed with the  proceeds of an issue of "industrial
development bonds" or "private activity bonds," if any, held by the Fund.

   
    The portion  of  the Fund's  exempt-interest  dividends paid  from  interest
received by the Fund from Massachusetts Municipal Bonds also will be exempt from
Massachusetts  personal  income taxes.  Corporate shareholders  and shareholders
subject to income  taxation by states  other than Massachusetts  will realize  a
lower  after  tax  rate  of return  than  Massachusetts  shareholders  since the
dividends distributed  by  the  Fund  generally  will  not  be  exempt,  to  any
significant  degree, from income  taxation by such other  states. The Trust will
inform shareholders annually regarding the  portion of the Fund's  distributions
which constitutes exempt-interest dividends and the portion which is exempt from
Massachusetts  personal income  taxes. The  Trust will  allocate exempt-interest
dividends among  Class  A,  Class  B,  Class C  and  Class  D  shareholders  for
Massachusetts  income tax purposes  based on a method  similar to that described
above for Federal income tax purposes.
    

    An investment in or distributions  from investment income and capital  gains
of   the  Fund,  including   exempt-interest  dividends,  will   be  subject  to
Massachusetts corporation excise tax and may  also be subject to state taxes  in
states  other than Massachusetts and  local taxes in cities  other than those in
Massachusetts. Accordingly,  investors in  the Fund,  including, in  particular,
corporate  investors which may be subject  to the Massachusetts corporate excise
tax, should consult their tax advisers  with respect to the application of  such
taxes to an investment in the Fund and to the receipt of Fund dividends and with
respect to their Massachusetts tax situation in general.

   
    To the extent that the Fund's distributions are derived from interest on its
taxable  investments or from an excess of  net short-term capital gains over net
long-term capital losses ("ordinary  income dividends"), such distributions  are
considered  taxable  ordinary income  for Federal  and Massachusetts  income tax
purposes.  Such  distributions  are  not  eligible  for  the  dividends-received
deduction  for  corporations. Distributions,  if any,  of net  long-term capital
gains from the  sale of securities  or from certain  transactions in futures  or
options  ("capital gain dividends")  are taxable as  long-term capital gains for
Federal income tax purposes,  regardless of the length  of time the  shareholder
has  owned Fund shares, and for Massachusetts income tax purposes are treated as
capital gains which  are taxed  at ordinary income  tax rates,  unless they  are
attributable  to  the  sale  of  certain  Massachusetts  Municipal  Bonds issued
pursuant to legislation which specifically  exempts capital gains on their  sale
from  Massachusetts personal  income taxation. Under  the Revenue Reconciliation
Act of 1993, all or a portion of the Fund's gain from the sale or redemption  of
tax-exempt  obligations  purchased  at  a market  discount  will  be  treated as
ordinary income rather than capital gain.  This rule may increase the amount  of
ordinary  income dividends received  by shareholders. Any loss  upon the sale or
exchange of Fund shares held for six months or less will be treated as long-term
capital loss  to  the  extent of  any  capital  gain dividend  received  by  the
shareholder.  In addition,  such loss  will be disallowed  to the  extent of any
exempt-interest dividends received by  the shareholder. Distributions in  excess
of the Fund's earnings and profits will first reduce the adjusted tax basis of a
holder's  shares and,  after such  adjusted tax basis  is reduced  to zero, will
constitute capital  gains to  such holder  (assuming the  shares are  held as  a
capital asset). If the Fund pays a dividend in January which was declared in the
previous  October, November or December to  shareholders of record on a specific
date in one of such months, then such dividend will be treated for tax  purposes
as being paid by the Fund and received by its shareholders on December 31 of the
year in which such dividend was declared.
    

                                       44
<PAGE>
   
    The   Code  subjects  interest  received  on  certain  otherwise  tax-exempt
securities to an alternative minimum tax. The alternative minimum tax applies to
interest received  on "private  activity  bonds" issued  after August  7,  1986.
Private  activity  bonds  are bonds  which,  although tax-exempt,  are  used for
purposes other than those  generally performed by  governmental units and  which
benefit  non-governmental entities (e.g., bonds  used for industrial development
or housing purposes). Income received on such bonds is classified as an item  of
"tax  preference,"  which  could  subject  investors  in  such  bonds, including
shareholders of the Fund, to an increased alternative minimum tax. The Fund will
purchase  such  "private  activity  bonds,"   and  the  Trust  will  report   to
shareholders within 60 days after the Fund's taxable year-end the portion of the
Fund's  dividends  declared during  the year  which constitutes  an item  of tax
preference for alternative minimum tax purposes. The Code further provides  that
corporations  are  subject to  an  alternative minimum  tax  based, in  part, on
certain differences between taxable income as adjusted for other tax preferences
and the corporation's "adjusted current earnings" (which more closely reflect  a
corporation's  economic income). Because an exempt-interest dividend paid by the
Fund will be included in adjusted current earnings, a corporate shareholder  may
be  required to pay alternative minimum tax on exempt-interest dividends paid by
the Fund.
    

    The Revenue Reconciliation Act of 1993  has added new marginal tax  brackets
of  36% and 39.6% for  individuals and has created  a graduated structure of 26%
and 28%  for the  alternative minimum  tax applicable  to individual  taxpayers.
These  rate increases may affect an  individual investor's after-tax return from
an investment in the Fund as  compared with such investor's return from  taxable
investments.

   
    No gain or loss will be recognized by Class B shareholders on the conversion
of  their Class B shares into Class D shares. A shareholder's basis in the Class
D shares acquired will be  the same as such shareholder's  basis in the Class  B
shares  converted, and the  holding period of  the acquired Class  D shares will
include the holding period for the converted Class B shares.
    

   
    If a shareholder exercises an exchange privilege within 90 days of acquiring
the shares, then the loss the shareholder can recognize on the exchange will  be
reduced  (or the gain increased) to the extent the sales charge paid to the Fund
reduces any sales charge such shareholder  would have owed upon purchase of  the
new  shares in the absence of the exchange privilege. Instead, such sales charge
will be treated as an amount paid for the new shares.
    

   
    A loss  realized on  a  sale or  exchange  of shares  of  the Fund  will  be
disallowed  if other  Fund shares  are acquired  (whether through  the automatic
reinvestment of dividends or otherwise) within a 61-day period beginning 30 days
before and ending 30  days after the  date that the shares  are disposed of.  In
such  a case, the basis  of the shares acquired will  be adjusted to reflect the
disallowed loss.
    

   
    Under certain provisions of the Code, some shareholders may be subject to  a
31%  withholding tax  on certain ordinary  income dividends and  on capital gain
dividends   and   redemption   payments   ("backup   withholding").   Generally,
shareholders  subject to backup withholding will  be those for whom no certified
taxpayer identification number is on file with the Trust or who, to the  Trust's
knowledge,  have furnished an incorrect number. When establishing an account, an
investor must certify under penalty of  perjury that such number is correct  and
that such investor is not otherwise subject to backup withholding.
    

    Ordinary  income  dividends  paid  by  the  Fund  to  shareholders  who  are
nonresident aliens or foreign entities will be subject to a 30% U.S. withholding
tax under existing provisions of the Code applicable to foreign individuals  and
entities  unless a  reduced rate  of withholding  or a  withholding exemption is
provided under  applicable treaty  law. Nonresident  shareholders are  urged  to
consult  their  own  tax  advisers  concerning  the  applicability  of  the U.S.
withholding tax.

                                       45
<PAGE>
    The Code  provides that  every person  required to  file a  tax return  must
include  for information purposes  on such return  the amount of exempt-interest
dividends received  from all  sources (including  the Fund)  during the  taxable
year.

ENVIRONMENTAL TAX
   
    The   Code  imposes  a  deductible  tax   (the  "Environmental  Tax")  on  a
corporation's modified  alternative  minimum taxable  income  (computed  without
regard to the alternative tax net operating loss deduction and the deduction for
the  Environmental Tax)  at a  rate of  $12 per  $10,000 (0.12%)  of alternative
minimum taxable income in excess of $2,000,000. The Environmental Tax is imposed
for taxable years beginning after December 31, 1986, and before January 1, 1996.
The Environmental Tax is imposed even if the corporation is not required to  pay
an  alternative  minimum  tax  because  the  corporation's  regular  income  tax
liability exceeds its minimum tax liability. The Code provides, however, that  a
RIC,  such  as the  Fund,  is not  subject  to the  Environmental  Tax. However,
exempt-interest dividends  paid  by the  Fund  that create  alternative  minimum
taxable  income for corporate  shareholders under the  Code (as described above)
may subject corporate shareholders of the Fund to the Environmental Tax.
    

TAX TREATMENT OF OPTION AND FUTURES TRANSACTIONS
   
    The Fund may  purchase or sell  municipal bond index  futures contracts  and
interest  rate  futures  contracts  on  U.S.  Government  securities ("financial
futures contracts"). The Fund may also  purchase and write call and put  options
on such financial futures contracts. In general, unless an election is available
to  the  Fund  or  an  exception applies,  such  options  and  financial futures
contracts that  are "Section  1256 contracts"  will be  "marked to  market"  for
Federal  income tax purposes  at the end  of each taxable  year, i.e., each such
option or financial futures contract will be treated as sold for its fair market
value on the last day of the taxable year, and any gain or loss attributable  to
Section  1256 contracts will be 60% long-term and 40% short-term capital gain or
loss. Application of these rules to Section 1256 contracts held by the Fund  may
alter the timing and character of distributions to shareholders.
    

   
    Code  Section 1092,  which applies  to certain  "straddles," may  affect the
taxation of the Fund's transactions  in financial futures contracts and  related
options.  Under Section 1092,  the Fund may be  required to postpone recognition
for tax purposes of losses incurred in certain closing transactions in financial
futures contracts or the related options.
    

   
    One of the requirements for qualification as a RIC is that less than 30%  of
the Fund's gross income be derived from gains from the sale or other disposition
of  securities held  for less  than three months.  Accordingly, the  Fund may be
restricted in effecting closing transactions within three months after  entering
into an option or financial futures contract.
    
                              -------------------

    The  foregoing  is  a  general and  abbreviated  summary  of  the applicable
provisions  of  the  Code,  Treasury  regulations  and  Massachusetts  tax  laws
presently   in  effect.  For  the   complete  provisions,  reference  should  be
made to  the  pertinent  Code sections,  the  Treasury  regulations  promulgated
thereunder and the applicable Massachusetts personal income and corporate excise
tax  laws. The Code and  the Treasury regulations, as  well as the Massachusetts
tax laws, are subject to change  by legislative or administrative action  either
prospectively or retroactively.

    Shareholders  are  urged to  consult their  own  tax advisers  regarding the
availability of  any exemptions  from state  or local  taxes (other  than  those
imposed  by Massachusetts) and  with specific questions  as to Federal, foreign,
state or local taxes.

                                       46
<PAGE>
                                PERFORMANCE DATA

   
    From  time to time the Fund may  include its average annual total return and
other total  return  data,  as  well  as  yield  and  tax-equivalent  yield,  in
advertisements  or information furnished to present or prospective shareholders.
Total return and yield and tax-equivalent yield figures are based on the  Fund's
historical  performance  and are  not intended  to indicate  future performance.
Average annual total  return and yield  are determined separately  for Class  A,
Class B, Class C and Class D shares in accordance with formulas specified by the
Commission.
    

   
    Average  annual  total  return  quotations  for  the  specified  periods are
computed by finding the average annual compounded rates of return (based on  net
investment  income and  any realized and  unrealized capital gains  or losses on
portfolio investments over such  periods) that would  equate the initial  amount
invested  to the redeemable value of such  investment at the end of each period.
Average annual total return is computed assuming all dividends and distributions
are reinvested and taking into account all applicable recurring and nonrecurring
expenses, including the maximum sales charge in the case of Class A and Class  D
shares  and the CDSC  that would be  applicable to a  complete redemption of the
investment at the end  of the specified period  in the case of  the Class B  and
Class C shares.
    

    The  Fund also may quote annual,  average annual and annualized total return
and aggregate  total return  performance data,  both as  a percentage  and as  a
dollar  amount based  on a hypothetical  $1,000 investment,  for various periods
other than those  noted below. Such  data will be  computed as described  above,
except  that (1) as  required by the  periods of the  quotations, actual annual,
annualized or aggregate data, rather than average annual data, may be quoted and
(2) the maximum applicable  sales charges will not  be included with respect  to
annual  or annualized rates of return calculations. Aside from the impact on the
performance data calculations of including  or excluding the maximum  applicable
sales  charges, actual annual or annualized  total return data generally will be
lower than average annual  total return data since  the average rates of  return
reflect  compounding of  return; aggregate total  return data  generally will be
higher than average annual total return data since the aggregate rates of return
reflect compounding over a longer period of time.

   
    In order to  reflect the reduced  sales charges in  the case of  Class A  or
Class  D shares  or the waiver  of the CDSC  in the case  of Class B  or Class C
shares applicable to certain investors, as described under "Purchase of  Shares"
and  "Redemption of Shares",  respectively, the total return  data quoted by the
Fund in advertisements  directed to  such investors  may take  into account  the
reduced, and not the maximum, sales charge or may take into account the CDSC and
therefore  may  reflect greater  total return  since, due  to the  reduced sales
charge or the waiver of sales charges, a lower amount of expenses is deducted.
    

   
    Set forth  below  is  the  total return,  yield  and  tax  equivalent  yield
information for Class A and Class B shares of the Fund for the period indicated.
Since  Class C and Class D shares have not been issued prior to the date of this
Statement of Additional Information, performance information concerning Class  C
and Class D shares is not provided.
    

                                       47
<PAGE>

   
<TABLE>
<CAPTION>
                                                    CLASS A SHARES                           CLASS B SHARES
                                        --------------------------------------   --------------------------------------
                                                             REDEEMABLE VALUE                         REDEEMABLE VALUE
                                         EXPRESSED AS A     OF A HYPOTHETICAL     EXPRESSED AS A     OF A HYPOTHETICAL
                                        PERCENTAGE BASED    $1,000 INVESTMENT    PERCENTAGE BASED    $1,000 INVESTMENT
                                        ON A HYPOTHETICAL   AT THE END OF THE    ON A HYPOTHETICAL   AT THE END OF THE
                                        $1,000 INVESTMENT         PERIOD         $1,000 INVESTMENT         PERIOD
                                        -----------------   ------------------   -----------------   ------------------
<S>                                     <C>                 <C>                  <C>                 <C>
                                            AVERAGE ANNUAL TOTAL RETURN (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
One year ended July 31, 1994..........          (2.79)%         $  972.10                (3.03)%         $  969.70
February 28, 1992 (Inception) to July
  31, 1994............................           6.74%          $1,171.10                 7.27%          $1,185.20
                                                ANNUAL TOTAL RETURN (EXCLUDING MAXIMUM APPLICABLE SALES CHARGE)
Year ended July 31, 1994..............           1.26%          $1,012.60                 0.75%          $1,007.50
Year ended July 31, 1993..............          10.08%          $1,100.80                 9.53%          $1,095.30
February 28, 1992 (Inception) to July
  31, 1992............................           9.44%          $1,094.40                 9.22%          $1,092.20
                                              AGGREGATE TOTAL RETURN (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
February 28, 1992 (Inception) to July
  31, 1994............................          17.11%          $1,171.10                18.52%          $1,185.20
                                                                             YIELD
30 days ended on July 31, 1994........           5.37%                                    5.09%
                                                                     TAX EQUIVALENT YIELD*
30 days ended on July 31, 1994........           7.46%                                    7.07%
*Based on a Federal income tax rate of 28%.
</TABLE>
    

                              GENERAL INFORMATION

DESCRIPTION OF SHARES
   
    The  Declaration  of Trust  provides that  the Trust  shall be  comprised of
separate Series each of  which will consist of  a separate portfolio which  will
issue  separate shares.  The Trust is  presently comprised of  the Fund, Merrill
Lynch Arizona Municipal Bond Fund,  Merrill Lynch Arkansas Municipal Bond  Fund,
Merrill  Lynch Colorado Municipal Bond Fund, Merrill Lynch Connecticut Municipal
Bond Fund, Merrill  Lynch Florida  Municipal Bond Fund,  Merrill Lynch  Maryland
Municipal  Bond Fund, Merrill Lynch Michigan  Municipal Bond Fund, Merrill Lynch
Minnesota Municipal Bond  Fund, Merrill  Lynch New Jersey  Municipal Bond  Fund,
Merrill  Lynch New Mexico Municipal Bond  Fund, Merrill Lynch New York Municipal
Bond Fund, Merrill Lynch North Carolina Municipal Bond Fund, Merrill Lynch  Ohio
Municipal  Bond Fund,  Merrill Lynch Oregon  Municipal Bond  Fund, Merrill Lynch
Pennsylvania Municipal Bond Fund  and Merrill Lynch  Texas Municipal Bond  Fund.
The  Trustees are authorized to  create an unlimited number  of Series and, with
respect to each  Series, to  issue an unlimited  number of  full and  fractional
shares  of beneficial interest,  par value $.10 per  share, of different classes
and to divide or combine  the shares into a greater  or lesser number of  shares
without  thereby changing the proportionate  beneficial interests in the Series.
Shareholder approval is not necessary for the authorization of additional Series
or classes of a Series of the Trust. At the date of this Statement of Additional
Information, the shares of the Fund are  divided into Class A, Class B, Class  C
and  Class D shares. Class A,  Class B, Class C and  Class D shares represent an
interest in the same assets of the Fund and are identical in all respects except
that the Class B, Class  C and Class D shares  bear certain expenses related  to
the account maintenance and/or distribution expenditures. The Trust has received
an  order (the "Order") from the Commission  permitting the issuance and sale of
multiple classes of  shares. The  Order permits  the Trust  to issue  additional
classes  of shares of any Series if the Board of Trustees deems such issuance to
be in the best interests of the Trust.
    

                                       48
<PAGE>
   
    All shares of the Trust have equal voting rights, except that only shares of
the respective  Series are  entitled to  vote on  matters concerning  only  that
Series  and, as  noted above,  Class B,  Class C  and Class  D shares  will have
exclusive voting  rights  with  respect  to  matters  relating  to  the  account
maintenance  and/or distribution expenses being borne solely by such class. Each
issued and outstanding share is entitled to one vote and to participate  equally
in  dividends and distributions  declared by the  Fund and in  the net assets of
such Series  upon liquidation  or dissolution  remaining after  satisfaction  of
outstanding  liabilities, except that,  as noted above,  expenses related to the
account maintenance and/or  distribution of  the Class B,  Class C  and Class  D
shares  will be borne solely by such class. There normally will be no meeting of
shareholders for the purposes of electing Trustees unless and until such time as
less than  a  majority of  the  Trustees holding  office  have been  elected  by
shareholders,   at  which  time  the  Trustees   then  in  office  will  call  a
shareholders' meeting  for  the  election  of  Trustees.  Shareholders  may,  in
accordance  with  the terms  of the  Declaration  of Trust,  cause a  meeting of
shareholders to be held for  the purpose of voting  on the removal of  Trustees.
Also,  the Trust will be  required to call a  special meeting of shareholders in
accordance with  the  requirements of  the  1940 Act  to  seek approval  of  new
management  and advisory  arrangements, of  a material  increase in distribution
fees or of a change in the fundamental policies, objectives or restrictions of a
Series.
    

    The obligations and liabilities of a particular Series are restricted to the
assets of that Series and  do not extend to the  assets of the Trust  generally.
The  shares of each Series,  when issued, will be  fully paid and nonassessable,
have no preference, preemptive, conversion, exchange or similar rights, and  are
freely  transferable. Holders  of shares  of any  Series are  entitled to redeem
their shares as set forth elsewhere herein and in the Prospectus. Shares do  not
have  cumulative voting rights and the holders of more than 50% of the shares of
the Trust voting for the election of  Trustees can elect all of the Trustees  if
they choose to do so and in such event the holders of the remaining shares would
not  be able to elect any Trustees. No amendments may be made to the Declaration
of Trust without the affirmative vote of a majority of the outstanding shares of
the Trust.

    The Manager provided the initial capital  for the Fund by purchasing  10,000
shares  of the Fund for  $100,000. Such shares were  acquired for investment and
can only be disposed of by  redemption. The organizational expenses of the  Fund
(estimated  at approximately $83,100) were paid by the Fund and amortized over a
period not exceeding five  years. The proceeds realized  by the Manager (or  any
subsequent  holder) upon the redemption of any of the shares initially purchased
by it will be reduced by the proportionate amount of unamortized  organizational
expenses  which the  number of  shares redeemed  bears to  the number  of shares
initially purchased. Such organizational expenses include certain of the initial
organizational expenses of the  Trust which have been  allocated to the Fund  by
the  Trustees. If additional  Series are added to  the Trust, the organizational
expenses will be allocated among the Series in a manner deemed equitable by  the
Trustees.

                                       49
<PAGE>
COMPUTATION OF OFFERING PRICE PER SHARE

   
    An  illustration of the  computation of the  offering price for  Class A and
Class B shares of the Fund based on the Fund's net assets on July 31, 1994,  and
its  shares outstanding on that  date is as set  forth below. Information is not
provided for Class C or Class D shares  since no Class C or Class D shares  were
publicly  offered prior to the date of this Statement of Additional Information.
The offering price for Class B and Class  C shares of the Fund is the net  asset
value of Class B shares and Class C shares, respectively.
    

                                     TABLE

   
<TABLE>
<CAPTION>
                                                                                         CLASS A        CLASS B
                                                                                       ------------  -------------
<S>                                                                                    <C>           <C>
Net Assets...........................................................................  $  8,367,548  $  76,435,740
                                                                                       ------------  -------------
                                                                                       ------------  -------------
Number of Shares Outstanding.........................................................       798,416      7,293,392
                                                                                       ------------  -------------
                                                                                       ------------  -------------
Net Asset Value Per Share (net assets divided by number of shares outstanding).......  $      10.48  $       10.48
Sales Charge (for Class A shares: 4.00% of offering price (4.17% of net asset value
 per share))*........................................................................           .44             **
                                                                                       ------------  -------------
Offering Price.......................................................................  $      10.92  $       10.48
                                                                                       ------------  -------------
                                                                                       ------------  -------------
<FN>
- ---------

 *   Rounded  to the nearest one-hundredth percent; assumes maximum sales charge
     is applicable.

**   Class B and Class C shares are  not subject to an initial sales charge  but
     may  be  subject to  a contingent  deferred sales  charge on  redemption of
     shares.
</TABLE>
    

INDEPENDENT AUDITORS

   
    Deloitte & Touche LLP, 117  Campus Drive, Princeton, New Jersey  08540-6400,
has  been selected as  the independent auditors  of the Fund.  The employment of
such auditors may be terminated without any penalty by vote of a majority of the
outstanding shares  of  the  Trust  at  a meeting  called  for  the  purpose  of
terminating  such  employment.  The  independent  auditors  are  responsible for
auditing the annual financial statements of the Fund.
    

CUSTODIAN

   
    State Street Bank  and Trust  Company, P.O. Box  351, Boston,  Massachusetts
02101,  acts as the custodian of the Fund's assets. The custodian is responsible
for safeguarding and controlling  the Fund's cash  and securities, handling  the
delivery of securities and collecting interest on the Fund's investments.
    

TRANSFER AGENT

    Financial  Data  Services, Inc.,  4800 Deer  Lake Drive  East, Jacksonville,
Florida 32246-6434, acts as  the Trust's transfer agent.  The Transfer Agent  is
responsible for the issuance, transfer and redemption of shares and the opening,
maintenance and servicing of shareholder accounts. See "Management of the Trust-
Transfer Agency Services" in the Prospectus.

LEGAL COUNSEL

    Brown  & Wood,  One World  Trade Center, New  York, New  York 10048-0557, is
counsel for the Trust.

                                       50
<PAGE>
REPORTS TO SHAREHOLDERS

    The fiscal year of the Fund ends on July 31 of each year. The Trust sends to
shareholders of  the Fund  at  least semi-annually  reports showing  the  Fund's
portfolio   and  other  information.  An  annual  report,  containing  financial
statements audited by independent auditors,  is sent to shareholders each  year.
After  the  end  of  each  year shareholders  will  receive  Federal  income tax
information regarding dividends and capital gains distributions.

ADDITIONAL INFORMATION

    The Prospectus and this Statement  of Additional Information do not  contain
all  the information  set forth in  the Registration Statement  and the exhibits
relating thereto, which  the Trust has  filed with the  Securities and  Exchange
Commission,  Washington,  D.C.,  under  the  Securities  Act  of  1933  and  the
Investment Company Act of 1940, to which reference is hereby made.

    The Declaration of Trust establishing the Trust dated August 2, 1985, a copy
of which, together with all amendments thereto (the "Declaration") is on file in
the office of the Secretary of The Commonwealth of Massachusetts, provides  that
the  name  "Merrill  Lynch Multi-State  Municipal  Series Trust"  refers  to the
Trustees under the Declaration collectively as Trustees, but not as  individuals
or  personally; and no  Trustee, shareholder, officer, employee  or agent of the
Trust shall be held to  any personal liability; nor shall  resort be had to  any
such  person's private property for the  satisfaction of any obligation or claim
of the Trust but the "Trust Property" only shall be liable.

   
    To the knowledge of the Trust, no person or entity owned beneficially 5%  or
more of the Fund's shares on September 30, 1994.
    

                                       51
<PAGE>
                                   APPENDIX I
               ECONOMIC AND FINANCIAL CONDITIONS IN MASSACHUSETTS

    THE  INFORMATION SET  FORTH BELOW  IS DERIVED  FROM THE  OFFICIAL STATEMENTS
PREPARED IN CONNECTION WITH  THE ISSUANCE OF  MASSACHUSETTS MUNICIPAL BONDS  AND
OTHER  SOURCES  THAT  ARE  GENERALLY AVAILABLE  TO  INVESTORS.  SUCH INFORMATION
CONSTITUTES ONLY A BRIEF SUMMARY AND DOES NOT PURPORT TO BE COMPLETE. THE  TRUST
HAS NOT INDEPENDENTLY VERIFIED THIS INFORMATION.

   
    Throughout  much of the 1980's, the Commonwealth of Massachusetts (sometimes
referred to as the "Commonwealth") had  a strong economy which was evidenced  by
low unemployment and high personal income growth as compared to national trends.
Economic growth in the Commonwealth has slowed since 1988, however, particularly
in the construction, real estate, financial and manufacturing sectors, including
certain  high technology areas, with especially  adverse results in 1990 and the
first half of  1991. The unemployment  rate in Massachusetts  peaked in 1991  at
9.0%  and  dropped  to  6.9%  in  1993.  As  of  May,  1994,  the Commonwealth's
unemployment rate was 5.8% as compared to a national average of 6.0%. Increasing
unemployment  claims  have  also  reduced  the  balances  in  the   unemployment
compensation  trust  fund.  In  addition,  per  capita  personal  income  in the
Commonwealth is currently  growing at a  rate lower than  the national  average.
Between  the second quarter  of 1992 and  the second quarter  of 1993, aggregate
personal income in the Commonwealth increased 4.0%, as compared to 5.5% for  the
nation as a whole.
    

   
    Moreover, Commonwealth spending exceeded revenues in each of the five fiscal
years commencing fiscal 1987. In particular, from 1987 to 1990, spending in five
major expenditure categories -- Medicaid, debt service, public assistance, group
health insurance and transit subsidies -- grew at rates in excess of the rate of
inflation  for  the  comparable  period.  In  addition,  the  Commonwealth's tax
revenues during this period  repeatedly failed to  meet official forecasts.  For
the budgeted funds, operating losses in fiscal 1988 of $370 million were covered
by  surplus carried forward from the prior  year. The operating losses in fiscal
1989 and 1990,  which totalled  $672 million and  $1.251 billion,  respectively,
were  covered  primarily through  deficit  borrowings. During  the  period, fund
balances in the  budgeted operating funds  declined from an  opening balance  of
$1.072 billion in fiscal 1987 to an ending balance of negative $1.104 billion in
fiscal  1990. For fiscal 1991, these  funds attained positive ending balances of
$237.1 million. Fiscal 1992 ended with positive fund balances of $549.4  million
after carrying forward the fund balances from fiscal 1991.
    

   
    In  fiscal  1993, which  ended  June 30,  1993,  the total  revenues  of the
budgeted operating funds of the  Commonwealth during such fiscal year  increased
by   approximately  6.9%  over  the  prior  fiscal  year,  to  $14.710  billion.
Expenditures increased by  9.6% over the  prior year, to  $14.696 billion. As  a
result,  the Commonwealth ended fiscal 1993 with a positive closing fund balance
of $562.5 million, after carrying forward the fund balances from fiscal 1992.
    

    Standard &  Poor's  Corporation and  Moody's  Investors Service,  Inc.  have
upgraded  their ratings of the Commonwealth's  general obligation bonds from BBB
and Baa, respectively, to A+ and A, respectively. Fitch Investors Service,  Inc.
has  rated the Commonwealth's bonds A and has recently upgraded the bonds to A+.
Ratings have been lowered on short-term debt and some state agency  obligations.
From time to time, the rating agencies may further change their ratings.

   
    The  Commonwealth is in  the process of closing  its 1994 financial records.
Budgeted revenues  and other  sources  for fiscal  1994  are expected  to  total
approximately $15.529 billion, including tax revenues of
    

                                       52
<PAGE>
   
$10.694  billion.  Commonwealth  expenditures  and  other  uses  in  fiscal 1994
currently are expected to be approximately $15.692 billion. The Executive Office
for Administration and Finance currently  estimates the ending fund balances  of
the  budgeted operating funds  of the Commonwealth for  fiscal 1994 to aggregate
approximately $399.7 million.  The foregoing  estimates for fiscal  1994 do  not
take  into account  the Department of  Revenue's preliminary  figures for fiscal
1994 which indicate an $88 million reduction in tax revenue collections from the
Department's previous estimates for fiscal 1994.
    

   
    Growth of tax revenues in the  Commonwealth is limited by law. Tax  revenues
in fiscal years 1988 through 1993 were lower than the limits set by law, and the
Executive  Office  for  Administration  and  Finance  estimates  that  state tax
revenues in fiscal 1994  and fiscal 1995  will not reach  the limits imposed  by
law.  In addition, effective July 1, 1990, limitations were placed on the amount
of direct bonds the Commonwealth may have outstanding in a fiscal year, and  the
amount  of the total appropriation  in any fiscal year  that may be expended for
payment of  principal  of  and  interest  on  general  obligation  debt  of  the
Commonwealth  was limited to  10% of such appropriation.  Bonds in the aggregate
principal amount of $1.399 billion issued  in October and December, 1990,  under
Chapter  151 of the  Acts of 1990 to  meet the fiscal  1990 deficit are excluded
from the computation of these limitations, and principal of and interest on such
bonds are to be paid from up to 15% of the Commonwealth's income tax receipts in
each year that such principal or interest is payable.
    

    Furthermore, certain of the  Commonwealth's cities and  towns have at  times
experienced  serious financial difficulties which  have adversely affected their
credit standing. The  recurrence of  such financial  difficulties, or  financial
difficulties  of the Commonwealth, could adversely  affect the market values and
marketability of, or result in  defaults in payment on, outstanding  obligations
issued  by  the Commonwealth  or its  public  authorities or  municipalities. In
addition, the Massachusetts  statutes which  limit the taxing  authority of  the
Commonwealth  of  certain  Massachusetts governmental  entities  may  impair the
ability of issuers  of some  Massachusetts obligations  to pay  debt service  on
their obligations.

    In  Massachusetts, the tax on personal property and real estate is virtually
the only source  of tax revenues  available to  cities and towns  to meet  local
costs.  "Proposition 2 1/2," an initiative petition adopted by the voters of the
Commonwealth  of  Massachusetts  on  November  4,  1980,  limits  the  power  of
Massachusetts  cities and towns  and certain tax-supported  districts and public
agencies to  raise revenue  from  property taxes  to support  their  operations,
including  the payment of certain debt  service. Proposition 2 1/2 required many
cities and towns to reduce their property  tax levels to a stated percentage  of
the  full and fair cash value of their taxable real estate and personal property
and limited the amount by which the  total property taxes assessed by a city  or
town  might increase from year to  year. Although the limitations of Proposition
2 1/2  on tax  increases may  be overridden  and amounts  for debt  service  and
capital expenditures excluded from such limitation by the voters of the relevant
municipality,  Proposition  2 1/2  will continue  to restrain  significantly the
ability of cities and towns  to pay for local  services, especially in light  of
cost  increases  due  to an  inflation  rate  generally exceeding  2.5%  and the
decrease and delay in local aid from the Commonwealth, discussed below.

                                       53
<PAGE>
   
    To offset shortfalls  experienced by local  governments as a  result of  the
implementation  of  Proposition  2  1/2,  the  government  of  the  Commonwealth
increased direct local aid from the 1981  level of $1.632 billion to the  fiscal
1989  level of $2.961 billion.  Direct local aid decreased  from the fiscal 1989
level to $2.328 billion in fiscal 1992 and increased to $2.547 billion in fiscal
1993. It is estimated that fiscal 1994 expenditures for direct local aid will be
$2.737 billion.
    

    The  Commonwealth's  fiscal  circumstances  have   led  to  delays  in   the
distribution  of local aid. Of the $2.961  billion direct local aid payments for
fiscal 1989, $305 million  in Chapter 70  school aid due on  June 30, 1989,  was
delayed  and not disbursed until July, 1989, because of the fiscal 1989 deficit.
The Commonwealth issued fiscal 1990 revenue anticipation notes in July in  order
to  make this local aid payment. Similarly, because of the Commonwealth's fiscal
1990 deficit, the Commonwealth deferred $1.26 billion of local aid due June  30,
1990 into fiscal 1991.

   
    The  aggregate unfunded actuarial liabilities of  the pension systems of the
Commonwealth and the  unfunded liability  of the Commonwealth  related to  local
retirement  systems  are significant  --  estimated to  be  approximately $9.651
billion as of  January 1,  1993 on the  basis of  certain actuarial  assumptions
regarding,  among  other things,  future  investment earnings,  annual inflation
rates, wage increases and  cost of living increases.  No assurance can be  given
that these assumptions will be realized. The legislature adopted a comprehensive
pension  bill  addressing  the  issue  in  January,  1988,  which  requires  the
Commonwealth, beginning in fiscal year 1989, to fund future pension  liabilities
currently  and amortize the Commonwealth's unfunded liabilities over 40 years in
accordance with funding  schedules prepared by  the Secretary of  Administration
and Finance and approved by the legislature. The amounts required for funding of
current pension liabilities in fiscal years 1992, 1993 and 1994 are estimated to
be $724 million, $778 million and $844 million, respectively. As of December 31,
1993, the Commonwealth's state pension reserve was approximately $4.124 billion.
    

                                       54
<PAGE>
                                  APPENDIX II
                           RATINGS OF MUNICIPAL BONDS

DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC.'S ("MOODY'S") MUNICIPAL BOND
RATING

<TABLE>
<S>        <C>
Aaa        Bonds  which are  rated Aaa are  judged to  be of the  best quality.  They carry the
           smallest degree of  investment risk and  are generally referred  to as "gilt  edge".
           Interest  payments are protected by a large or by an exceptionally stable margin and
           principal is secure.  While the various  protective elements are  likely to  change,
           such  changes as  can be  visualized are most  unlikely to  impair the fundamentally
           strong position of such issues.

Aa         Bonds which are rated Aa are judged to be of high quality by all standards. Together
           with the Aaa group they comprise what are generally known as high grade bonds.  They
           are  rated lower  than the best  bonds because margins  of protection may  not be as
           large as in Aaa securities or fluctuation  of protective elements may be of  greater
           amplitude  or there  may be  other elements present  which make  the long-term risks
           appear somewhat larger than in Aaa securities.

A          Bonds which are rated A possess many  favorable investment attributes and are to  be
           considered  as upper medium grade obligations.  Factors giving security to principal
           and interest are considered  adequate, but elements may  be present which suggest  a
           susceptibility to impairment sometime in the future.

Baa        Bonds which are rated Baa are considered as medium grade obligations, i.e., they are
           neither highly protected nor poorly secured. Interest payment and principal security
           appear  adequate for the present  but certain protective elements  may be lacking or
           may be characteristically unreliable over any great length of time. Such bonds  lack
           outstanding  investment characteristics and in fact have speculative characteristics
           as well.

Ba         Bonds which  are rated  Ba are  judged to  have speculative  elements; their  future
           cannot be considered as well assured. Often the protection of interest and principal
           payments  may be very moderate and thereby not well safeguarded during both good and
           bad times  over the  future. Uncertainty  of position  characterizes bonds  in  this
           class.

B          Bonds  which are rated B generally lack characteristics of the desirable investment.
           Assurance of interest and principal payments or of maintenance of other terms of the
           contract over any long period of time may be small.

Caa        Bonds which are rated  Caa are of poor  standing. Such issues may  be in default  or
           there may be present elements of danger with respect to principal or interest.

Ca         Bonds  which are  rated Ca  represent obligations  which are  speculative in  a high
           degree. Such issues are often in default or have other marked shortcomings.

C          Bonds which are rated C are the lowest rated class of bonds, and issues so rated can
           be regarded as having extremely poor prospects of ever attaining any real investment
           standing.
<FN>

NOTE: Those bonds  in the Aa,  A, Baa, Ba  and B groups  which Moody's  believes
possess  the strongest investment attributes are  designated by the symbols Aa1,
A1, Baa1, Ba1 and B1.
</TABLE>

                                       55
<PAGE>
    SHORT-TERM NOTES:  The four  ratings  of Moody's  for short-term  notes  are
MIG 1/VMIG1, MIG 2/VMIG2, MIG 3/VMIG3 and MIG 4/VMIG4; MIG 1/VMIG1 denotes "best
quality  . . . strong protection by established cash flows"; MIG 2/VMIG2 denotes
"high quality"  with ample  margins  of protection;  MIG  3/VMIG3 notes  are  of
"favorable  quality .  . .  but .  . .  lacking the  undeniable strength  of the
preceding grades"; MIG 4/VMIG4 notes are of "adequate quality . . . [p]rotection
commonly regarded as required of an investment  security is present . . .  there
is specific risk."

DESCRIPTION OF MOODY'S CORPORATE BOND RATINGS

    Excerpts  from Moody's  description of  its corporate  bond ratings:  Aaa --
judged to be the best quality, carry the smallest degree of investment risk;  Aa
- --  judged to be of  high quality by all standards;  A -- possess many favorable
investment  attributes  and  are  to   be  considered  as  upper  medium   grade
obligations.

DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS

    Moody's  Commercial Paper ratings are opinions  of the ability of issuers to
repay punctually  promissory  obligations not  having  an original  maturity  in
excess  of nine  months. Moody's employs  the following  three designations, all
judged to be investment  grade, to indicate the  relative repayment capacity  of
rated issuers:

    Issuers  rated Prime-1 (or related  supporting institutions) have a superior
capacity for repayment of  short-term promissory obligations. Prime-1  repayment
capacity  will normally be  evidenced by the  following characteristics: leading
market positions in well established industries;  high rates of return on  funds
employed;  conservative capitalization structures with moderate reliance on debt
and ample asset protection; broad margins in earning coverage of fixed financial
charges and high  internal cash  generation; and  well established  access to  a
range of financial markets and assured sources of alternate liquidity.

    Issuers  rated Prime-2  (or related  supporting institutions)  have a strong
capacity for repayment of short-term promissory obligations. This will  normally
be  evidenced by many of the characteristics cited above but to a lesser degree.
Earnings trends  and coverage  ratios,  while sound,  will  be more  subject  to
variation.  Capitalization characteristics, while still appropriate, may be more
affected by external conditions. Ample alternate liquidity is maintained.

    Issuers  rated  Prime-3  (or   related  supporting  institutions)  have   an
acceptable  capacity  for repayment  of  short-term promissory  obligations. The
effects  of  industry  characteristics  and  market  composition  may  be   more
pronounced.  Variability in earnings and profitability  may result in changes in
the level of  debt protection  measurements and the  requirement for  relatively
high financial leverage. Adequate alternate liquidity is maintained.

    Issuers  rated  Not  Prime  do  not fall  within  any  of  the  Prime rating
categories.

DESCRIPTION OF STANDARD & POOR'S CORPORATION'S ("STANDARD & POOR'S") MUNICIPAL
DEBT RATINGS

    A Standard &  Poor's municipal debt  rating is a  current assessment of  the
creditworthiness  of  an obligor  with respect  to  a specific  obligation. This
assessment may take into consideration obligors such as guarantors, insurers, or
lessees.

    The debt  rating  is  not a  recommendation  to  purchase, sell  or  hold  a
security,  inasmuch as it does not comment as to market price or suitability for
a particular investor.

    The ratings are  based on  current information  furnished by  the issuer  or
obtained  by Standard  & Poor's from  other sources Standard  & Poor's considers
reliable.   Standard    &    Poor's   does    not    perform   an    audit    in

                                       56
<PAGE>
connection  with any  rating and may,  on occasion, rely  on unaudited financial
information. The ratings may be changed,  suspended or withdrawn as a result  of
changes in, or unavailability of, such information, or for other circumstances.

    The ratings are based, in varying degrees, on the following considerations:

         I.  Likelihood of default -- capacity and willingness of the obligor as
    to the timely payment of interest  and repayment of principal in  accordance
    with the terms of the obligation;

        II. Nature of and provisions of the obligations;

        III. Protection afforded by, and relative position of, the obligation in
    the  event of bankruptcy, reorganization or other arrangement under the laws
    of bankruptcy and other laws affecting creditors' rights.

<TABLE>
<S>        <C>
AAA        Debt rated "AAA" has the highest rating assigned by Standard & Poor's. Capacity to
           pay interest and repay principal is extremely strong.
AA         Debt rated "AA" has a very strong capacity to pay interest and repay principal and
           differs from the higher-rated issues only in small degree.
A          Debt rated "A" has a strong capacity to pay interest and repay principal  although
           it is somewhat more susceptible to the adverse effects of changes in circumstances
           and economic conditions than debt in higher-rated categories.
BBB        Debt  rated "BBB" is regarded  as having an adequate  capacity to pay interest and
           repay principal.  Whereas it  normally  exhibits adequate  protection  parameters,
           adverse economic conditions or changing circumstances are more likely to lead to a
           weakened  capacity to pay interest  and repay principal for  debt in this category
           than for debt in higher rated categories.
BB         Debt  rated  "BB",  "B",  "CCC",  "CC"  and  "C"  is  regarded,  on  balance,   as
B          predominately  speculative  with respect  to capacity  to  pay interest  and repay
CCC        principal in accordance  with the  terms of  the obligations.  "BB" indicates  the
CC         lowest  degree of  speculation and "CC"  the highest degree  of speculation. While
C          such debt will likely have some quality and protective characteristics, these  are
           outweighed by large uncertainties or major exposures to adverse conditions.
CI         The rating "CI" is reserved for income bonds on which no interest is being paid.
D          Debt  rated  "D" is  in  payment default.  The "D"  rating  category is  used when
           interest payments or principal payments are not  made on the date due even if  the
           applicable  grace period has  not expired, unless Standard  & Poor's believes that
           such payments will be made during such  grace period. The "D" rating also will  be
           used  upon  the filing  of  a bankruptcy  petition  if debt  service  payments are
           jeopardized. Plus (+) or Minus (-): The ratings from "AA" to "CCC" may be modified
           by the addition of a plus or minus sign to show relative standing within the major
           rating categories.
</TABLE>

DESCRIPTION OF STANDARD & POOR'S CORPORATE BOND RATINGS

    A Standard &  Poor's corporate debt  rating is a  current assessment of  the
creditworthiness  of an obligor with respect  to specific obligation. Debt rated
"AAA" has the  highest rating  assigned by Standard  & Poor's.  Capacity to  pay
interest  and repay principal  is extremely strong.  Debt rated "AA"  has a very
strong capacity

                                       57
<PAGE>
to pay interest and to repay principal and differs from the highest rated issues
only in small degree. Debt rated "A"  has a strong capacity to pay interest  and
repay  principal although it is somewhat more susceptible to the adverse effects
of changes in circumstances and economic conditions than debt of a higher  rated
category.  Debt rated "BBB"  is regarded as  having an adequate  capacity to pay
interest and repay principal. Whereas  it normally exhibits adequate  protection
parameters,  adverse  economic  conditions or  changing  circumstances  are more
likely to lead to a  weakened capacity to pay  interest and repay principal  for
debt in this category than in higher rated categories.

    The  ratings from "AA" to "BBB" may be modified by the addition of a plus or
minus sign to show relative standing within the major rating categories.

DESCRIPTION OF STANDARD & POOR'S COMMERCIAL PAPER RATINGS

    A Standard & Poor's Commercial Paper  Rating is a current assessment of  the
likelihood of timely payment of debt having an original maturity of no more than
365  days. Ratings  are graded  into four categories,  ranging from  "A" for the
highest quality obligations  to "D" for  the lowest. Ratings  are applicable  to
both taxable and tax-exempt commercial paper. Issues assigned the highest rating
are  regarded as having the greatest capacity for timely payment. Issues in this
category are further refined  with the designation  1, 2 and  3 to indicate  the
relative  degree of safety.  The three designations  in the "A"  category are as
follows:

<TABLE>
<C>        <S>
      A-1  This designation indicates that the degree  of safety regarding timely payment  is
           either  overwhelming or very strong. Those  issues determined to possess extremely
           strong safety characteristics are denoted with a plus sign (+) designation.
      A-2  Capacity for timely payment  on issues with this  designation is strong.  However,
           the  relative degree  of safety  is not as  overwhelming as  for issues designated
           "A-1".
      A-3  Issues carrying this designation have a satisfactory capacity for timely  payment.
           They  are, however, somewhat more vulnerable to  the adverse effects of changes in
           circumstances than obligations carrying the higher designations.
        B  Issues rated  "B" are  regarded as  having only  speculative capacity  for  timely
           payment.
        C  This  rating is assigned  to short-term debt obligations  with a doubtful capacity
           for payment.
        D  Debt rated  "D" is  in  payment default.  The "D"  rating  category is  used  when
           interest  payments or principal payments are not made on the date due, even if the
           applicable grace period has  not expired, unless S&P  believes that such  payments
           will be made during such grace period.
</TABLE>

    A  Commercial Paper  Rating is  not a recommendation  to purchase  or sell a
security. The ratings are based on  current information furnished to Standard  &
Poor's  by the issuer  and obtained by  Standard & Poor's  from other sources it
considers reliable. The  ratings may be  changed, suspended, or  withdrawn as  a
result of changes in, or unavailability of, such information.

    A  Standard & Poor's note rating  reflects the liquidity concerns and market
access risks unique to notes. Notes due in 3 years or less will likely receive a
note rating. Notes maturing beyond 3 years will most likely receive a  long-term
debt rating. The following criteria will be used in making that assessment.

    --Amortization  schedule (the  larger the  final maturity  relative to other
      maturities, the more likely it will be treated as a note).

                                       58
<PAGE>
    --Source of payment (the more dependent the  issue is on the market for  its
      refinancing, the more likely it will be treated as a note).

    Note rating symbols are as follows:

<TABLE>
<S>        <C>
           A very strong or strong capacity to pay principal and interest. Those issues
           determined to possess overwhelming safety characteristics will be given a "+"
SP-1       designation.

SP-2       A satisfactory capacity to pay principal and interest.

SP-3       A speculative capacity to pay principal and interest.
</TABLE>

    Standard  & Poor's may continue to rate  note issues with a maturity greater
than three years in accordance with the same rating scale currently employed for
municipal bond ratings.

    UNRATED: Where  no rating  has been  assigned  or where  a rating  has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.

    Should no rating be assigned, the reason may be one of the following:

        1.  An application for rating was not received or accepted.

        2.  The issue or issuers belongs  to a group of securities that are  not
    rated as a matter of policy.

        3.  There is a lack of essential data pertaining to the issue or issuer.

        4.   The  issue was privately  placed, in  which case the  rating is not
    published in Moody's publications.

    Suspension or withdrawal may occur if new and material circumstances  arise,
the  effects  of which  preclude satisfactory  analysis; if  there is  no longer
available reasonable up-to-date information to  permit a judgment to be  formed;
if a bond is called for redemption; or for other reasons.

DESCRIPTION OF FITCH INVESTORS SERVICE, INC.'S ("FITCH") INVESTMENT GRADE BOND
RATINGS

    Fitch  investment  grade  bond  ratings  provide  a  guide  to  investors in
determining the credit risk associated  with a particular security. The  ratings
represent  Fitch's assessment of the issuer's ability to meet the obligations of
a specific debt issue or class of debt in a timely manner.

    The rating  takes into  consideration  special features  of the  issue,  its
relationship  to other  obligations of the  issuer, the  current and prospective
financial  condition  and  operating  performance  of  the  issuer  and  of  any
guarantor,  as well as the economic  and political environment that might affect
the issuer's future financial strength and credit quality.

    Fitch ratings do not reflect any credit enhancement that may be provided  by
insurance policies or financial guaranties unless otherwise indicated.

    Bonds that have the same rating are of similar but not necessarily identical
credit   quality  since  the  rating  categories  do  not  fully  reflect  small
differences in the degrees of credit risk.

    Fitch ratings are not  recommendations to buy, sell,  or hold any  security.
Ratings  do not comment on the adequacy  of market price, the suitability of any
security for a particular  investor, or the tax-exempt  nature or taxability  of
payments made in respect of any security.

                                       59
<PAGE>
    Fitch  ratings  are  based  on  information  obtained  from  issuers,  other
obligors, underwriters, their experts,  and other sources  Fitch believes to  be
reliable.  Fitch  does  not  audit  or verify  the  truth  or  accuracy  of such
information. Ratings may  be changed,  suspended, or  withdrawn as  a result  of
changes in, or the unavailability of, information or for any other reasons.

<TABLE>
<S>        <C>
AAA        Bonds  considered to  be investment  grade and  of the  highest credit  quality. The
           obligor has an  exceptionally strong ability  to pay interest  and repay  principal,
           which is unlikely to be affected by reasonably foreseeable events.

AA         Bonds  considered  to be  investment  grade and  of  very high  credit  quality. The
           obligor's ability to pay interest and  repay principal is very strong, although  not
           quite  as strong  as bonds rated  "AAA". Because bonds  rated in the  "AAA" and "AA"
           categories are  not significantly  vulnerable  to foreseeable  future  developments,
           short-term debt of these issuers is generally rated "F-1+".

A          Bonds  considered to be investment  grade and of high  credit quality. The obligor's
           ability to pay interest and repay principal  is considered to be strong, but may  be
           more  vulnerable to  adverse changes in  economic conditions  and circumstances than
           bonds with higher ratings.

BBB        Bonds considered to  be investment  grade and  of satisfactory  credit quality.  The
           obligor's  ability to pay interest and repay principal is considered to be adequate.
           Adverse changes in economic conditions  and circumstances, however, are more  likely
           to  have adverse impact  on these bonds,  and therefore, impair  timely payment. The
           likelihood that  the ratings  of these  bonds will  fall below  investment grade  is
           higher than for bonds with higher ratings.
</TABLE>

    Plus (+) or Minus (-): Plus and minus signs are used with a rating symbol to
indicate  the relative position of a credit within the rating category. Plus and
minus signs, however, are not used in the "AAA" category.

    Credit  Trend  Indicator:  Credit  trend  indicators  show  whether   credit
fundamentals are improving, stable, declining, or uncertain, as follows:

<TABLE>
    <S>           <C>
    Improving     Up-arrow
    Stable        Left-and Right-arrows
    Declining     Down-arrow
    Uncertain     Up-and Down-arrows
</TABLE>

                                       60
<PAGE>
    Credit  trend indicators  are not  predictions that  any rating  change will
occur, and have a  longer-term time frame than  issues placed on FitchAlert.  NR
indicates that Fitch does not rate the specific issue.

<TABLE>
<S>               <C>
Conditional       A conditional rating is premised on the successful completion of a project
                  or the occurrence of a specific event.
Suspended         A rating is suspended when Fitch deems the amount of information available
                  from the issuer to be inadequate for rating purposes.
Withdrawn         A  rating  will  be  withdrawn  when an  issue  matures  or  is  called or
                  refinanced and, at  Fitch's discretion,  when an issuer  fails to  furnish
                  proper and timely information.
FitchAlert        Ratings are placed on FitchAlert to notify investors of an occurrence that
                  is  likely to result in  a rating change and  the likely direction of such
                  change.  These  are  designated  as  "Positive,"  indicating  a  potential
                  upgrade, "Negative," for potential downgrade, or "Evolving," where ratings
                  may  be raised or lowered. FitchAlert is relatively short-term, and should
                  be resolved within 12 months.
</TABLE>

DESCRIPTION OF FITCH SPECULATIVE GRADE BOND RATINGS

    Fitch speculative  grade  bond  ratings  provide a  guide  to  investors  in
determining  the credit risk associated with  a particular security. The ratings
("BB" to "C") represent Fitch's assessment  of the likelihood of timely  payment
of  principal and interest in  accordance with the terms  of obligation for bond
issues not in  default. For defaulted  bonds, the  rating ("DDD" to  "D") is  an
assessment of the ultimate recovery value through reorganization or liquidation.

    The  rating  takes into  consideration special  features  of the  issue, its
relationship to other  obligations of  the issuer, the  current and  prospective
financial  condition and operating performance of  the issuer and any guarantor,
as well as the economic and political environment that might affect the issuer's
future financial strength.

    Bonds that have the same rating are of similar but not necessarily identical
credit quality since rating categories  cannot fully reflect the differences  in
degrees of credit risk.

<TABLE>
<S>               <C>
BB                Bonds  are considered speculative.  The obligor's ability  to pay interest
                  and repay principal may be affected over time by adverse economic changes.
                  However, business and financial alternatives can be identified which could
                  assist the obligor in satisfying its debt service requirements.

B                 Bonds are considered  highly speculative.  While bonds in  this class  are
                  currently  meeting debt service requirements, the probability of continued
                  timely payment of  principal and interest  reflects the obligor's  limited
                  margin  of  safety  and  the need  for  reasonable  business  and economic
                  activity throughout the life of the issue.

CCC               Bonds have certain  identifiable characteristics which,  if not  remedied,
                  may  lead  to  default.  The  ability  to  meet  obligations  requires  an
                  advantageous business and economic environment.

CC                Bonds are  minimally  protected. Default  in  payment of  interest  and/or
                  principal seems probable over time.

C                 Bonds are in imminent default in payment of interest or principal.
</TABLE>

                                       61
<PAGE>
<TABLE>
<S>               <C>
DDD, DD and D     Bonds are in default on interest and/or principal payments. Such bonds are
                  extremely  speculative and should be valued on the basis of their ultimate
                  recovery value  in liquidation  or reorganization  of the  obligor.  "DDD"
                  represents  the highest  potential for  recovery on  these bonds,  and "D"
                  represents the lowest potential for recovery.
</TABLE>

   
    Plus (+) or Minus (-): Plus and minus signs are used with a rating symbol to
indicate the relative position of a credit within the rating category. Plus  and
minus signs, however, are not used in the "DDD", "DD", or "D" categories.
    

DESCRIPTION OF FITCH INVESTMENT GRADE SHORT-TERM RATINGS

    Fitch's  short-term ratings  apply to debt  obligations that  are payable on
demand or have  original maturities of  generally up to  three years,  including
commercial  paper, certificates of deposit, medium-term notes, and municipal and
investment notes.

    The short-term rating places greater emphasis than a long-term rating on the
existence of liquidity necessary  to meet the issuer's  obligations in a  timely
manner.

    Fitch short-term ratings are as follows:

<TABLE>
<S>                 <C>
F-1+                Exceptionally  Strong Credit  Quality. Issues  assigned this  rating are
                    regarded as having the strongest degree of assurance for timely payment.
F-1                 Very Strong  Credit  Quality. Issues  assigned  this rating  reflect  an
                    assurance  of timely  payment only slightly  less in  degree than issues
                    rated "F-1+".
F-2                 Good Credit Quality.  Issues assigned  this rating  have a  satisfactory
                    degree  of assurance for timely payment, but the margin of safety is not
                    as great as for issues assigned "F-1+" and "F-1" ratings.
F-3                 Fair Credit Quality.  Issues assigned this  rating have  characteristics
                    suggesting  that the degree of assurance for timely payment is adequate,
                    however, near-term adverse  changes could cause  these securities to  be
                    rated below investment grade.
F-S                 Weak  Credit Quality.  Issues assigned this  rating have characteristics
                    suggesting a  minimal degree  of assurance  for timely  payment and  are
                    vulnerable  to  near-term  adverse  changes  in  financial  and economic
                    conditions.
D                   Default. Issues assigned this rating  are in actual or imminent  payment
                    default.
LOC                 The  symbol "LOC"  indicates that  the rating  is based  on a  letter of
                    credit issued by a commercial bank.
INS                 The symbol "INS"  indicates that  the rating  is based  on an  insurance
                    policy or financial guaranty issued by an insurance company.
</TABLE>

                                       62
<PAGE>
INDEPENDENT AUDITORS' REPORT

The Board of Trustees and Shareholders,
MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND OF
MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST:

   
We  have audited the accompanying statement of assets and liabilities, including
the schedule of investments, of Merrill Lynch Massachusetts Municipal Bond  Fund
of  Merrill Lynch Multi-State  Municipal Series Trust  as of July  31, 1994, the
related statements of  operations for  the year then  ended and  changes in  net
assets  for  each  of the  years  in the  two-year  period then  ended,  and the
financial highlights for each of the years in the two-year period then ended and
for the period February 28, 1992 (commencement of operations) to July 31,  1992.
These  financial statements and the  financial highlights are the responsibility
of the Fund's management. Our responsibility  is to express an opinion on  these
financial statements and the financial highlights based on our audits.
    

   
We   conducted  our  audits  in  accordance  with  generally  accepted  auditing
standards. Those standards require that we plan and perform the audit to  obtain
reasonable  assurance about whether  the financial statements  and the financial
highlights are free of material misstatement. An audit includes examining, on  a
test  basis, evidence  supporting the amounts  and disclosures  in the financial
statements. Our procedures included confirmation of securities owned at July 31,
1994 by correspondence with  the custodian and brokers.  An audit also  includes
assessing  the  accounting principles  used  and significant  estimates  made by
management, as well as evaluating the overall financial statement  presentation.
We believe that our audits provide a reasonable basis for our opinion.
    

   
In  our  opinion, such  financial  statements and  financial  highlights present
fairly, in  all  material respects,  the  financial position  of  Merrill  Lynch
Massachusetts  Municipal Bond Fund of Merrill Lynch Multi-State Municipal Series
Trust as of July 31, 1994, the results of its operations, the changes in its net
assets, and  the  financial highlights  for  the respective  stated  periods  in
conformity with generally accepted accounting principles.
    

   
DELOITTE & TOUCHE LLP
Princeton, New Jersey
August 29, 1994
    

                                       63
<PAGE>

<TABLE>
<CAPTION>
SCHEDULE OF INVESTMENTS                                                                                       (in Thousands)
S&P     Moody's    Face                                                                                            Value
Ratings Ratings   Amount                                        Issue                                            (Note 1a)

Massachusetts--94.6%
<C>     <C>     <C>       <S>                                                                                 <C>
AAA     Aaa     $ 1,650   Beverly, Massachusetts, GO, 6.60% due 3/15/2009 (f)                                    $ 1,753

BBB     Baa1        865   Boston, Massachusetts, Industrial Development Financing Authority, Sewer
                          Facility Revenue Bonds (Harbor Electric Energy Company Project), AMT, 7.375%
                          due 5/15/2015                                                                              906

NR      Aaa         600   Boston, Massachusetts, Revenue Bonds (Boston City Hospital), Series A, 7.625%
                          due 8/15/2000 (c)(g)                                                                       690

A       NR          300   Boston, Massachusetts, Water and Sewer Community Revenue Bonds, Series A, 7.10%
                          due 11/01/1999 (g)                                                                         335

NR      Baa       1,000   Greater New Bedford, Massachusetts, Regional Refuse Management District Revenue
                          Bonds (Massachusetts Landfill), AMT, 5.875% due 5/01/2013                                  948

NR      Aaa       1,650   Lowell, Massachusetts, GO, 7.625% due 2/15/2001 (g)                                      1,912

                          Massachusetts Bay Transportation Authority Revenue Bonds (Massachusetts General
                          Transportation Systems):
A+      A         2,000     Refunding, Series A, 7% due 3/01/2011                                                  2,206
A+      A         1,250     Refunding, Series B, 6.20% due 3/01/2016                                               1,263
A+      Aaa       3,305     Series A, 7% due 3/01/2001 (g)                                                         3,700
A+      A         1,500     Series A, 7% due 3/01/2021                                                             1,705

A+      A         1,285   Massachusetts State GO, Consolidated Loan, Series A, 6.50% due 6/01/2008                 1,342
</TABLE>

PORTFOLIO ABBREVIATIONS

To simplify the listing of Merrill Lynch Massachusetts Municipal Bond Fund's
portfolio holdings in the Schedule of Investments, we have abbreviated the names
of many of the securities according to the list at right.

AMT                   Alternative Minimum Tax (subject to)
GO                    General Obligation Bonds
HFA                   Housing Finance Authority
INFLOS                Inverse Floating Rate Municipal Bonds
LEVRRS                Leveraged Reverse Rate Securities
PCR                   Pollution Control Revenue Bonds
UPDATES               Unit Priced Daily Adjustable Tax-Exempt Securities
UT                    Unlimited Tax
VRDN                  Variable Rate Demand Notes
YCN                   Yield Curve Notes


                                       64
<PAGE>

<TABLE>
<CAPTION>
SCHEDULE OF INVESTMENTS (continued)                                                                           (in Thousands)
S&P     Moody's    Face                                                                                            Value
Ratings Ratings   Amount                                        Issue                                            (Note 1a)

Massachusetts (continued)
<C>     <C>      <C>      <S>                                                                                 <C>
                          Massachusetts State Health and Educational Facilities Authority Revenue Bonds:
NR      Baa      $2,000     (Anna Jaques Hospital), Series B, 6.875% due 10/01/2012                              $ 2,018
AAA     Aaa       2,000     (Beth Israel), INFLOS, 8.776% due 7/01/2025 (b)(j)                                     1,915
AAA     Aaa       2,385     (Boston College), Series J, 6.625% due 7/01/2021 (h)                                   2,465
A       Aa        1,000     (Brigham and Women's Hospital), Series C, 7% due 6/01/2018                             1,045
Al+     VMIG1       700     (Capital Asset Program), VRDN, Series B, 2.80% due 7/01/2005 (a)(e)                      700
Al+     VMIG1     1,000     (Capital Asset Program), VRDN, Series C, 2.80% due 7/01/2005 (a)(e)                    1,000
AAA     Aaa       1,000     (Massachusetts General Hospital), Series F, 6.25% due 7/01/2020 (b)                    1,010
AAA     Aaa       1,000     (New England Medical Center), Series F, 6.50% due 7/01/2012 (h)                        1,040
AAA     Aaa       2,900     (New England Medical Center Hospitals), YCN, 7.08% due 7/01/2018 (e)(j)                2,244
AAA     Aaa       2,200     (Newton Wellesley Hospital), Series D, 7% due 7/01/2015 (e)                            2,378
AAA     Aaa       1,000     (Northeastern University), Series E, 6.55% due 10/01/2022 (e)                          1,031
A+      A1        2,000     Refunding (Boston College), Series K, 5.25% due 6/01/2023                              1,748
NR      Baa1        500     Refunding (Holyoke Hospital), Series B, 6.50% due 7/01/2015                              480
NR      Baa       1,000     Refunding (New England Memorial Hospital), Series B, 6.125% due 7/01/2013                940
AAA     Aaa       1,000     Refunding (Stonehill College), Series E, 6.60% due 7/01/2020 (e)                       1,044
BBB     Baa1      2,000     (Sisters of Providence Health Systems), Series A, 6.625% due 11/15/2022                1,915
AA-     Aa        4,490     (Smith College), Series D, 5.75% due 7/01/2024                                         4,234
AAA     NR        1,000     (Suffolk University), Series B, 6.35% due 7/01/2022 (i)                                1,008
Al+     NR        1,000     (Williams College), VRDN, Series E, 2.80% due 8/01/2014 (a)                            1,000

A+      Aa        3,250   Massachusetts State, HFA, Revenue Bonds, AMT, Series A, 6.75% due 6/01/2026              3,276

                          Massachusetts State, HFA, Revenue Bonds (Residential Development) (d):
AAA     Aaa       1,000     Series C, 6.90% due 11/15/2021                                                         1,035
AAA     Aaa       1,000     Series F, 6.30% due 11/15/2024                                                           984

NR      MIG1+       100   Massachusetts State Industrial Finance Agency, Health Care Facility Revenue
                          Bonds(Beverly Enterprises), VRDN, 2.90% due 4/01/2009 (a)                                  100

                          Massachusetts State Industrial Finance Agency, PCR, Refunding:
BBB     Baa2      1,000     (Boston Edison Company Project), Series A, 5.75% due 2/01/2014                           906
BBB     Baa2      2,750     (Eastern Edison Company Project), 5.875% due 8/01/2008                                 2,628

BBB     Baa1      3,000   Massachusetts State Industrial Finance Agency Resource Recovery Revenue
                          Refunding Bonds (Refusetech Inc. Project), Series A, 6.30% due 7/01/2005                 3,035

                          Massachusetts State Industrial Finance Agency Revenue Bonds:
AAA     Aaa       1,000     (Babson College), Series A, 6.50% due 10/01/2022 (e)                                   1,038
A+      A1        1,460     Refunding (Holly Cross College-II), 6.375% due 11/01/2015                              1,495

BBB+    A         2,000   Massachusetts State Municipal Wholesale Electric Company, Power Supply System,
                          Revenue Refunding Bonds, Series A, 6.75% due 7/01/2011                                   2,091

A+      A         2,000   Massachusetts State, Refunding, GO, Series B, 6.50% due 8/01/2008                        2,133

A+      A1        1,000   Massachusetts State Turnpike Authority, Turnpike Revenue Refunding Bonds,
                          Series A, 5% due 1/01/2020                                                                 845

                          Massachusetts State, UPDATES, VRDN (a):
A1      VMIG1     1,000     2.80% due 12/01/1997                                                                   1,000
A1+     VMIG1     1,700     2.80% due 6/01/1995                                                                    1,700
</TABLE>


                                       65
<PAGE>

<TABLE>
<CAPTION>
SCHEDULE OF INVESTMENTS (concluded)                                                                           (in Thousands)
S&P     Moody's    Face                                                                                            Value
Ratings Ratings   Amount                                        Issue                                            (Note 1a)

Massachusetts (concluded)
<C>     <C>     <C>       <S>                                                                                 <C>
                          Massachusetts State Water Resource Authority Revenue Bonds, Series A:
A       A       $ 6,000     6.50% due 7/15/2019                                                                  $ 6,242
A       A         1,100     5.50% due 7/15/2022                                                                      982

NR      A         l,000   New England Educational Loan Marketing Corporation, Massachusetts, Student
                          Loan Revenue Bonds, Sub-Issue H, AMT, 6.90% due 11/01/2009                               l,030

AAA     Aaa       l,000   Southern Berkshire, Massachusetts, Regional School District Revenue Bonds, UT,
                          7% due 4/15/2011 (e)                                                                     1,087

NR      Baa       1,500   Springfield, Massachusetts, School Project, Loan Revenue Bonds, Series B,
                          7.10% due 9/01/2011                                                                      1,548

A+      A         1,000   Woods Hole--Martha's Vineyard and Nantucket, Massachusetts, Revenue Refunding
                          Bonds, 6.60% due 3/01/2003                                                               1,084


Puerto Rico--5.0%


BB      Baa       2,000   Puerto Rico Commonwealth, Aqueduct and Sewer Authority Revenue Bonds, Series A,
                          7.875% due 7/01/2017                                                                     2,174

AAA     Aaa       1,000   Puerto Rico Electric Power Authority, Power Revenue Bonds, LEVRRS, 8.778%
                          due 7/01/2023 (f)(j)                                                                       966

A-      Baa1      1,000   Puerto Rico Electric Power Authority, Power Revenue Refunding Bonds, Series
                          N, 7% due 7/01/2007                                                                      1,091

Total Investments (Cost--$84,103)--99.6%                                                                          84,445
Other Assets Less Liabilities--0.4%                                                                                  358
                                                                                                                 -------
Net Assets--100.0%                                                                                               $84,803
                                                                                                                 =======

<FN>
(a)The interest rate is subject to change periodically based upon
   the prevailing market rate. The interest rate shown is the rate in
   effect at July 31, 1994.
(b)AMBAC Insured.
(c)FHA Insured.
(d)FNMA Collateralized.
(e)MBIA Insured.
(f)FSA Insured.
(g)Prerefunded.
(h)FGIC Insured.
(i)Connie Lee Insured.
(j)The interest rate is subject to change periodically and inversely
   based upon the prevailing market rate. The interest rate shown is
   the rate in effect at July 31, 1994.
  +Highest short-term rating by Moody's Investors Service, Inc.
   Ratings of issues shown have not been audited by Deloitte & Touche
   LLP.
</TABLE>


See Notes to Financial Statements.


                                       66


<PAGE>

FINANCIAL INFORMATION

<TABLE>
<CAPTION>
Statement of Assets and Liabilities as of July 31, 1994
<C>             <S>                                                                           <C>             <C>
Assets:         Investments, at value (identified cost--$84,103,398) (Note 1a)                                $84,445,011
                Cash                                                                                               10,091
                Receivables:
                  Securities sold                                                             $ 2,928,378
                  Interest                                                                      1,087,787
                  Beneficial interest sold                                                        102,162       4,118,327
                                                                                              -----------
                Deferred organization expenses (Note 1e)                                                           26,707
                Prepaid registration fees and other assets (Note 1e)                                               19,834
                                                                                                              -----------
                Total assets                                                                                   88,619,970
                                                                                                              -----------

Liabilities:    Payables:
                  Securities purchased                                                          3,510,736
                  Beneficial interest redeemed                                                    125,728
                  Dividends to shareholders (Note 1f)                                              68,728
                  Distributor (Note 2)                                                             31,865
                  Investment adviser (Note 2)                                                      24,782       3,761,839
                                                                                              -----------
                Accrued expenses and other liabilities                                                             54,843
                                                                                                              -----------
                Total liabilities                                                                               3,816,682
                                                                                                              -----------

Net Assets:     Net assets                                                                                    $84,803,288
                                                                                                              ===========

Net Assets      Class A Shares of beneficial interest, $.10 par value, unlimited
Consist of:     number of shares authorized                                                                   $    79,842
                Class B Shares of beneficial interest, $.10 par value, unlimited
                number of shares authorized                                                                       729,339
                Paid-in capital in excess of par                                                               83,725,271
                Accumulated distribution in excess of realized capital gains--net                                 (72,777)
                Unrealized appreciation on investments--net                                                       341,613
                                                                                                              -----------
                Net assets                                                                                    $84,803,288
                                                                                                              ===========

Net Asset       Class A--Based on net assets of $8,367,548 and 798,416 shares of
Value:          beneficial interest outstanding                                                               $     10.48
                                                                                                              ===========
                Class B--Based on net assets of $76,435,740 and 7,293,392 shares of
                beneficial interest outstanding                                                               $     10.48
                                                                                                              ===========
</TABLE>

                See Notes to Financial Statements.


                                       67
<PAGE>

FINANCIAL INFORMATION (continued)

<TABLE>
<CAPTION>
Statement of Operations
                                                                                                          For the Year Ended
                                                                                                            July 31, 1994
<C>             <S>                                                                                       <C>
Investment      Interest and amortization of premium and discount earned                                     $  5,037,381
Income
(Note 1d):

Expenses:       Investment advisory fees (Note 2)                                                                 465,743
                Distribution fees--Class B (Note 2)                                                               382,048
                Printing and shareholder reports                                                                   79,831
                Professional fees                                                                                  53,898
                Transfer agent fees--Class B (Note 2)                                                              37,639
                Accounting services (Note 2)                                                                       36,930
                Custodian fees                                                                                     13,374
                Registration fees (Note 1e)                                                                        12,735
                Amortization of organization expenses (Note 1e)                                                    10,370
                Pricing fees                                                                                        6,922
                Trustees' fees and expenses                                                                         3,699
                Transfer agent fees--Class A (Note 2)                                                               3,522
                Other                                                                                               2,154
                                                                                                              -----------
                Total expenses before reimbursement                                                             1,108,865
                Reimbursement of expenses (Note 2)                                                               (199,488)
                                                                                                              -----------
                Total expenses after reimbursement                                                                909,377
                                                                                                              -----------
                Investment income--net                                                                          4,128,004
                                                                                                              -----------

Realized &      Realized gain on investments--net                                                                  21,770
Unrealized      Change in unrealized appreciation on investments--net                                          (3,726,694)
Gain                                                                                                          -----------
(Loss) on       Net Increase in Net Assets Resulting from Operations                                          $   423,080
Investments                                                                                                   ===========
- --Net
(Notes
1d & 3):
</TABLE>

                See Notes to Financial Statements.


                                       68
<PAGE>

FINANCIAL INFORMATION (continued)


<TABLE>
<CAPTION>
Statements of Changes in Net Assets
                                                                                              For the Year Ended July 31,
Increase (Decrease) in Net Assets:                                                                1994            1993
<C>             <S>                                                                           <C>             <C>
Operations:     Investment income--net                                                        $ 4,128,004     $ 3,173,589
                Realized gain on investments--net                                                  21,770       1,192,844
                Change in unrealized appreciation on investments--net                          (3,726,694)      1,786,432
                                                                                              -----------     -----------
                Net increase in net assets resulting from operations                              423,080       6,152,865
                                                                                              -----------     -----------

Dividends &     Investment income--net:
Distributions     Class A                                                                        (441,160)       (300,336)
to Share-         Class B                                                                      (3,686,844)     (2,873,253)
holders         Realized gain on investments--net:
(Note 1f):        Class A                                                                        (119,994)        (10,398)
                  Class B                                                                      (1,037,479)       (128,953)
                In excess of realized gain on investments--net:
                  Class A                                                                          (7,544)             --
                  Class B                                                                         (65,233)             --
                                                                                              -----------     -----------
                Net decrease in net assets resulting from dividends and distributions
                to shareholders                                                                (5,358,254)     (3,312,940)
                                                                                              -----------     -----------

Beneficial      Net increase in net assets derived from beneficial interest transactions       11,216,720      31,906,779
Interest                                                                                      -----------     -----------
Transactions
(Note 4):

Net Assets:     Total increase in net assets                                                    6,281,546      34,746,704
                Beginning of year                                                              78,521,742      43,775,038
                                                                                              -----------     -----------
                End of year                                                                   $84,803,288     $78,521,742
                                                                                              ===========     ===========
</TABLE>

                See Notes to Financial Statements.


                                       69
<PAGE>

FINANCIAL INFORMATION (concluded)


<TABLE>
<CAPTION>
Financial Highlights
                                                               Class A                                 Class B
                                                                                For the                           For the
                                                                                Period                            Period
The following per share data and ratios have been derived                       Feb 28,                           Feb 28,
from information provided in the financial statements.      For the Year       1992+ to       For the Year       1992+ to
                                                            Ended July 31,      July 31,      Ended July 31,      July 31,
Increase (Decrease) in Net Asset Value:                    1994        1993       1992       1994       1993       1992
<C>            <S>                                       <C>        <C>         <C>        <C>        <C>        <C>
Per Share      Net asset value, beginning of period      $  11.07   $  10.68    $  10.00   $  11.07   $  10.68   $  10.00
Operating                                                --------   --------    --------   --------   --------   --------
Performance:   Investment income--net                         .58        .63         .25        .53        .57        .23
               Realized and unrealized gain (loss)
               on investments--net                           (.43)       .42         .68       (.43)       .42        .68
                                                         --------   --------    --------   --------   --------   --------
               Total from investment operations               .15       1.05         .93        .10        .99        .91
                                                         --------   --------    --------   --------   --------   --------
               Less dividends and distributions:
                 Investment income--net                      (.58)      (.63)       (.25)      (.53)      (.57)      (.23)
                 Realized gain on investments--net           (.15)      (.03)         --       (.15)      (.03)        --
                 In excess of realized gain on
                 investments--net                            (.01)        --          --       (.01)        --         --
                                                         --------   --------    --------   --------   --------   --------
               Total dividends and distributions             (.74)      (.66)       (.25)      (.69)      (.60)      (.23)
                                                         --------   --------    --------   --------   --------   --------
               Net asset value, end of period            $  10.48   $  11.07    $  10.68   $  10.48   $  11.07   $  10.68
                                                         ========   ========    ========   ========   ========   ========
Total          Based on net asset value per share           1.26%     10.08%       9.44%++    0.75%      9.53%      9.22%++
Investment                                               ========   ========    ========   ========   ========   ========
Return:**

Ratios to      Expenses, excluding distribution
Average        fees and net of reimbursement                   --         --          --        62%       .43%      .12%*
Net Assets:                                              ========   ========    ========   ========   ========   ========
               Expenses, net of reimbursement                .62%       .42%       .12%*      1.12%       .93%      .62%*
                                                         ========   ========    ========   ========   ========   ========
               Expenses                                      .85%       .95%      1.16%*      1.36%      1.45%     1.68%*
                                                         ========   ========    ========   ========   ========   ========
               Investment income--net                       5.33%      5.75%      5.82%*      4.83%      5.24%     5.32%*
                                                         ========   ========    ========   ========   ========   ========

Supplemental   Net assets, end of period
Data:          (in thousands)                             $ 8,367    $ 7,093     $ 4,828    $76,436    $71,429    $38,947
                                                         ========   ========    ========   ========   ========   ========
               Portfolio turnover                          72.13%     39.37%      18.86%     72.13%     39.37%     18.86%
                                                         ========   ========    ========   ========   ========   ========

            <FN>
              +Commencement of Operations.
             ++Aggregate total investment return.
              *Annualized.
             **Total investment returns exclude the effects of sales loads.
</TABLE>


               See Notes to Financial Statements.


                                       70


<PAGE>

NOTES TO FINANCIAL STATEMENTS


1. Significant Accounting Policies:
Merrill Lynch Massachusetts Municipal Bond Fund (the "Fund") is part of Merrill
Lynch Multi-State Municipal Series Trust (the "Trust"). The Fund is registered
under the Investment Company Act of 1940 as a non-diversified, open-end
management investment company. The Fund offers both Class A and Class B Shares.
Class A Shares are sold with a front-end sales charge. Class B Shares must be
subject to a contingent deferred sales charge. Both classes of shares have
identical voting, dividend, liquidation and other rights and the same terms and
conditions, except that Class B Shares bear certain expenses related to the
distribution of such shares and have exclusive voting rights with respect to
matters relating to such distribution expenditures. The following is a summary
of significant accounting policies followed by the Fund.

(a) Valuation of investments--Municipal bonds and other portfolio securities in
which the Fund invests are traded primarily in the over-the-counter municipal
bond and money markets and are valued at the last available bid price in the
over-the-counter market or on the basis of yield equivalents as obtained from
one or more dealers that make markets in the securities. Financial futures
contracts and options thereon, which are traded on exchanges, are valued at
their settlement prices as of the close of such exchanges. Short-term
investments with a remaining maturity of sixty days or less are valued on an
amortized cost basis, which approximates market value. Options, which are traded
on exchanges, are valued at their last sale price as of the close of such
exchanges or, lacking any sales, at the last available bid price. Securities and
assets for which market quotations are not readily available are valued at fair
value as determined in good faith by or under the direction of the Board of
Trustees of the Trust, including valuations furnished by a pricing service
retained by the Trust, which may utilize a matrix system for valuations. The
procedures of the pricing service and its valuations are reviewed by the
officers of the Trust under the general supervision of the Trustees.

(b) Financial futures contracts--The Fund may purchase or sell interest rate
futures contracts and options on such futures contracts for the purpose of
hedging the market risk on existing or the intended purchase of securities.
Futures contracts are contracts for delayed delivery of securities at a specific
future date and at a specific price or yield. Upon entering into a contract, the
Fund deposits and maintains as collateral such initial margin as required by
the exchange on which the transaction is effected. Pursuant to the contract, the
Fund agrees to receive from or pay to the broker an amount of cash equal to the
daily fluctuation in value of the contract. Such receipts or payments are known
as variation margin and are recorded by the Fund as unrealized gains or losses.
When the contract is closed, the Fund records a realized gain or loss equal to
the difference between the value of the contract at the time it was opened and
the value at the time it was closed.

(c) Income taxes--It is the Fund's policy to comply with the requirements of the
Internal Revenue Code applicable to regulated investment companies and to
distribute substantially all of its taxable income to its shareholders.
Therefore, no Federal income tax provision is required.

(d) Security transactions and investment income--Security transactions are
recorded on the dates the transactions are entered into (the trade dates).
Interest income is recognized on the accrual basis. Discounts and market
premiums are amortized into interest income. Realized gains and losses on
security transactions are determined on the identified cost basis.

(e) Deferred organization expenses and prepaid registration fees--Deferred
organization expenses are charged to expense on a straight-line basis over a
five-year period. Prepaid registration fees are charged to expense as the
related shares are issued.

(f) Dividends and distributions--Dividends from net investment income are
declared daily and paid monthly. Distributions of capital gains are recorded on
the ex-dividend dates. Distributions in excess of realized capital gains are due
primarily to differing tax treatments for futures transactions and post October
losses.


                                       71
<PAGE>

2. Investment Advisory Agreement and Transactions with Affiliates:
The Fund has entered into an Investment Advisory Agreement with Fund Asset
Management, L.P. ("FAM"). Effective January 1, 1994, the investment advisory
business of FAM was reorganized from a corporation to a limited partnership.
Both prior to and after the reorganization, ultimate control of FAM was vested
with Merrill Lynch & Co., Inc. ("ML & Co."). The general partner of FAM is
Princeton Services, Inc. ("PSI"), an indirect wholly-owned subsidiary of ML &
Co. The limited partners are ML & Co. and Fund Asset Management, Inc. ("FAMI"),
which is also an indirect wholly-owned subsidiary of ML & Co. The Fund has also
entered into Distribution Agreements and a Distribution Plan with Merrill Lynch
Funds Distributor, Inc. ("MLFD" or "Distributor"), a wholly-owned subsidiary of
Merrill Lynch Investment Management, Inc. ("MLIM"), an indirect wholly-owned
subsidiary of ML & Co.

FAM is responsible for the management of the Fund's portfolio and provides the
necessary personnel, facilities, equipment and certain other services necessary
to the operations of the Fund. For such services, the Fund pays a monthly fee
based upon the average daily value of the Fund's net assets at the following
annual rates: 0.55% of the Fund's average daily net assets not exceeding $500
million; 0.525% of average daily net assets exceeding $500 million but not
exceeding $1 billion; and 0.50% of the average daily net assets exceeding $1.0
billion. For the year ended July 31, 1994, FAM earned fees of $465,743, of which
$199,488 was voluntarily waived.

The Fund has adopted a Plan of Distribution (the "Plan") in accordance with
Rule 12b-1 under the Investment Company Act of 1940 pursuant to which the Fund
pays the Distributor ongoing account maintenance and distribution fees relating
to Class B Shares, which are accrued daily and paid monthly at the annual rates
of 0.25% and 0.25%, respectively, of the average daily net assets of the Class B
Shares of the Fund. Pursuant to a sub-agreement with the Distributor, Merrill
Lynch, Pierce, Fenner & Smith, Inc. ("MLPF&S"), an affilliate of ML & Co., also
provides account maintenance and distribution services to the Fund. The ongoing
account maintenance fee compensates the Distributor and MLPF&S for providing
distribution and account maintenance services to Class B shareholders. As
authorized by the Plan, the Distributor has entered into an agreement with
MLPF&S, an affiliate of ML & Co., which provides for the compensation of MLPF&S
for providing distribution-related services to the Fund. For the year ended
July 31, 1994, MLFD earned underwriting discounts of $4,115, and MLPF&S earned
dealer concessions of $35,085 on sales of the Fund's Class A Shares.

MLPF&S also received contingent deferred sales charges of $258,962 for the sale
of Class B Shares during the period.

Financial Data Services, Inc. ("FDS"), a wholly-owned subsidiary of ML & Co., is
the Fund's transfer agent.

Accounting services are provided to the Fund by FAM at cost.

Certain officers and/or trustees of the Fund are officers and/or directors of
FAM, FAMI, PSI, MLIM, MLFD, FDS, MLPF&S, and/or ML & Co.

3. Investments:
Purchases and sales of investments, excluding short-term securities, for the
year ended July 31, 1994 were $63,776,218 and $57,233,376, respectively.

Net realized and unrealized gains (losses) as of July 31, 1994 were as follows:

<TABLE>
<CAPTION>
                                    Realized
                                     Gains        Unrealized
Total                               (Losses)        Gains
<S>                               <C>            <C>
Long-term investments             $  (500,555)   $   341,613
Financial futures contracts           522,325             --
                                  -----------    -----------
Total                             $    21,770    $   341,613
                                  ===========    ===========
</TABLE>

As of July 31, 1994, net unrealized depreciation for Federal income tax purposes
aggregated $341,613, of which $1,838,644 related to appreciated securities and
$1,497,031 related to depreciated securities. The aggregate cost of investments
at July 31, 1994 for Federal income tax purposes was $84,103,398.


                                       72
<PAGE>

NOTES TO FINANCIAL STATEMENTS (concluded)


4. Beneficial Interest Transactions:
Net increase in net assets derived from beneficial interest transactions was
$11,216,720 and $31,906,779 for the years ended July 31, 1994, and July 31,
1993, respectively.

Transactions in shares of beneficial interest for Class A and Class B Shares
were as follows:


<TABLE>
<CAPTION>
Class A Shares for the                              Dollar
Year Ended July 31, 1994             Shares         Amount
<S>                               <C>            <C>
Shares sold                           307,747    $ 3,438,464
Shares issued to shareholders
in reinvestment of dividends
and distributions                      19,821        217,018
                                  -----------    -----------
Total issued                          327,568      3,655,482
Shares redeemed                      (169,861)    (1,887,059)
                                  -----------    -----------
Net increase                          157,707    $ 1,768,423
                                  ===========    ===========
</TABLE>


<TABLE>
<CAPTION>
Class A Shares for the                              Dollar
Year Ended July 31, 1993             Shares         Amount
<S>                               <C>            <C>
Shares sold                           354,701    $ 3,828,180
Shares issued to shareholders
in reinvestment of dividends
and distributions                      13,015        138,508
                                  -----------    -----------
Total issued                          367,716      3,966,688
Shares redeemed                      (179,030)    (1,881,614)
                                  -----------    -----------
Net increase                          188,686    $ 2,085,074
                                  ===========    ===========
</TABLE>


<TABLE>
<CAPTION>
Class B Shares for the                              Dollar
Year Ended July 31, 1994             Shares         Amount
<S>                               <C>            <C>
Shares sold                         1,809,726    $19,990,791
Shares issued to shareholders
in reinvestment of dividends
and distributions                     254,694      2,796,404
                                  -----------    -----------
Total issued                        2,064,420     22,787,195
Shares redeemed                    (1,222,971)   (13,338,898)
                                  -----------    -----------
Net increase                          841,449    $ 9,448,297
                                  ===========    ===========
</TABLE>


<TABLE>
<CAPTION>
Class B Shares for the                              Dollar
Year Ended July 31, 1993             Shares         Amount
<S>                               <C>            <C>
Shares sold                         3,127,040    $33,253,505
Shares issued to shareholders
in reinvestment of dividends
and distributions                     159,939      1,704,515
                                  -----------    -----------
Total issued                        3,286,979     34,958,020
Shares redeemed                      (481,243)    (5,136,315)
                                  -----------    -----------
Net increase                        2,805,736    $29,821,705
                                  ===========    ===========
</TABLE>


                                       73


<PAGE>
                               TABLE OF CONTENTS

   
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
Investment Objective and Policies..............          2
Description of Municipal Bonds and Temporary
  Investments..................................          5
  Description of Municipal Bonds...............          5
  Description of Temporary Investments.........          7
  Repurchase Agreements........................          8
  Financial Futures Transactions and Options...          9
Investment Restrictions........................         13
Management of the Trust........................         17
  Trustees and Officers........................         17
  Management and Advisory Arrangements.........         19
Purchase of Shares.............................         20
  Initial Sales Charge Alternatives -- Class A
    and Class D Shares.........................         21
  Reduced Initial Sales Charges................         21
  Distribution Plans...........................         24
  Limitations on the Payment of Deferred Sales
    Charges....................................         24
Redemption of Shares...........................         25
  Deferred Sales Charge -- Class B Shares......         26
Portfolio Transactions.........................         26
Determination of Net Asset Value...............         27
Shareholder Services...........................         28
  Investment Account...........................         28
  Automatic Investment Plan....................         29
  Automatic Reinvestment of Dividends and
    Capital Gains Distributions................         29
  Systematic Withdrawal Plans -- Class A and
    Class D Shares.............................         29
  Exchange Privilege...........................         30
Distributions and Taxes........................         43
  Environmental Tax............................         46
  Tax Treatment of Option and Futures
    Transactions...............................         46
Performance Data...............................         47
General Information............................         48
  Description of Shares........................         48
  Computation of Offering Price Per Share......         50
  Independent Auditors.........................         50
  Custodian....................................         50
  Transfer Agent...............................         50
  Legal Counsel................................         50
  Reports to Shareholders......................         51
  Additional Information.......................         51
Appendix I -- Economic and Financial Conditions
  in Massachusetts.............................         52
Appendix II -- Ratings of Municipal Bonds......         55
Independent Auditors' Report...................         63
Financial Statements...........................         64

                                         Code # 16149-1074
</TABLE>
    

   
         [LOGO]

  Merrill Lynch
  Massachusetts
  Municipal Bond Fund
    Merrill Lynch Multi-State
    Municipal Series Trust
    
   
   STATEMENT OF
   ADDITIONAL INFORMATION
    October 21, 1994
    Distributor:
    Merrill Lynch
    Funds Distributor, Inc.
    
<PAGE>
                           PART C. OTHER INFORMATION

ITEM 24. FINANCIAL STATEMENTS AND EXHIBITS.

    (A)  FINANCIAL STATEMENTS

            Contained in Part A:

   
                Financial  Highlights  for each  of  the years  in  the two-year
                period ended July 31, 1994 and for the period February 28,  1992
                (commencement of operations) through July 31, 1992
    

            Contained in Part B:

   
                Schedule of Investments as of July 31, 1994.
    

   
                Statement of Assets and Liabilities as of July 31, 1994.
    

   
                Statement of Operations for the year ended July 31, 1994.
    

   
                Statements of Changes in Net Assets for each of the years in the
                two-year period ended July 31, 1994.
    

   
                Financial Highlights for each of the years in the two-year
                period ended July 31, 1994 and for the period February 28, 1992
                (commencement of operations) to July 31, 1992.
    

    (B)  EXHIBITS:

   
<TABLE>
<CAPTION>
EXHIBIT
NUMBER
- ------
<C>    <S>
 1(a)  -- Declaration of Trust of the Registrant, dated August 2, 1985.(a)
  (b)  -- Amendment to Declaration of Trust, dated October 3, 1988.(b)
  (c)  -- Instrument establishing Merrill Lynch Massachusetts Municipal Bond
       Fund (the "Fund") as a series of Registrant.(e)
  (d)  -- Instrument establishing Class A and Class B shares of beneficial
       interest of the Fund.(e)
 2     -- By-Laws of Registrant.(a)
 3     -- None.
 4     -- Portions of the Declaration of Trust, Establishment and Designation
       and By-Laws of the Registrant defining the rights of holders of the Fund
          as a series of the Registrant.(c)
 5(a)  -- Form of Management Agreement between Registrant and Fund Asset
          Management, L.P.(d)
  (b)  -- Supplement to Management Agreement between Registrant and Fund Asset
          Management, L.P.
 6(a)(1) -- Form of Class A Shares Distribution Agreement between Registrant and
       Merrill Lynch Funds Distributor, Inc.(d)
  (a)(2) -- Form of Revised Class A Shares Distribution Agreement between
       Registrant and Merrill Lynch Funds Distribution, Inc (including Form of
          Selected Dealers Agreement).
  (b)  -- Form of Class B Shares Distribution Agreement between Registrant and
       Merrill Lynch Funds Distributor, Inc.(d)
  (c)  -- Form of Class C Shares Distribution Agreement between Registrant and
       Merrill Lynch Funds Distributor, Inc. (including Form of Selected Dealers
          Agreement)
  (d)  -- Form of Class D Shares Distribution Agreement between Registrant and
       Merrill Lynch Funds Distributor, Inc. (including Form of Selected Dealers
          Agreement)
</TABLE>
    

                                      C-1
<PAGE>
   
<TABLE>
<CAPTION>
EXHIBIT
NUMBER
- ------
<C>    <S>
  (e)  -- Letter Agreement between the Fund and Merrill Lynch Funds Distributor,
       Inc., dated September 15, 1993, in connection with the Merrill Lynch
          Mutual Fund Adviser program.(f)
 7     -- None.
 8     -- Form of Custody Agreement between Registrant and State Street Bank &
       Trust Company.(g)
 9     -- Form of Transfer Agency, Dividend Disbursing Agency and Shareholder
       Servicing Agency Agreement between Registrant and Financial Data
          Services, Inc.(d)
10     -- None.
11     -- Consent of Deloitte & Touche LLP, independent auditors for the
          Registrant.
12     -- None.
13     -- Certificate of Fund Asset Management, Inc.(d)
14     -- None.
15(a)  -- Form of Class B Shares Distribution Plan of the Registrant and Class B
       Shares Distribution Plan Sub-Agreement.(d)
  (b)  -- Class C Shares Distribution Plan and Class C Shares Distribution Plan
       Sub-Agreement of Registrant.
  (c)  -- Class D Shares Distribution Plan and Class D Shares Distribution Plan
       Sub-Agreement of Registrant.
16(a)  -- Schedule for computation of each performance quotation provided in the
       Registration Statement in response to Item 22 relating to Class A
          shares.(e)
  (b)  -- Schedule for computation of each performance quotation provided in the
       Registration Statement in response to Item 22 relating to Class B
          Shares.(e)
17(a)  -- Financial Data Schedule for Class A shares.
  (b)  -- Financial Data Schedule for Class B shares.
<FN>
- ---------
(a)  Filed on August 6, 1985 as an Exhibit to the Registration Statement on Form
     N-1A  (File No. 2-99473) under the Securities  Act of 1933 of Merrill Lynch
     New York Municipal Bond Fund, a series of the Registrant.

(b)  Filed on October 11, 1988 as  an Exhibit to Post-Effective Amendment No.  4
     to  the Registration  Statement on Form  N-1A (File No.  2-99473) under the
     Securities Act of  1933 of Merrill  Lynch New York  Municipal Bond Fund,  a
     series of the Registrant.

(c)  Reference  is made to Article II, Section 2.3 and Articles V, VI, VIII, IX,
     X and XI  of the  Registrant's Declaration  of Trust,  previously filed  as
     Exhibit  1(a) to  the Registration Statement  referred to  in paragraph (a)
     above; to the  Certificates of Establishment  and Designation  establishing
     the Fund as a series of the Registrant and establishing Class A and Class B
     shares  of beneficial interest of the Fund, which will be filed as Exhibits
     1(c) and 1(d), respectively, to the Registration Statement; and to Articles
     I,V and VI of  the Registrant's By-Laws, previously  filed as Exhibit 2  to
     the Registration Statement referred to in paragraph (a) above.

(d)  Filed on November 5, 1991 as an Exhibit to Pre-Effective Amendment No. 1 to
     the  Registration Statement  under the  Securities Act  of 1933  of Merrill
     Lynch Massachusetts Municipal Bond Fund.

(e)  Filed on July 9, 1992, as an  Exhibit to Post-Effective Amendment No. 1  to
     Registrant's  Registration Statement on Form  N-1A under the Securities Act
     of 1933.

(f)  Filed on November 9, 1993 as  an Exhibit to Post-Effective Amendment No.  3
     to  Registrant's Registration Statement  on Form N-1A  under the Securities
     Act of 1933.
</TABLE>
    

                                      C-2
<PAGE>
   
<TABLE>
<S>  <C>
(g)  Filed on October 14, 1994 as  an Exhibit to Post-Effective Amendment No.  3
     to  Registrant's Registration Statement  on Form N-1A  under the Securities
     Act of 1933,  as amended,  relating to  shares of  Merrill Lynch  Minnesota
     Municipal Bond Fund series of the Registrant (File No. 33-44734).
</TABLE>
    

ITEM 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.

    Registrant is not controlled by or under common control with any person.

ITEM 26.  NUMBER OF HOLDERS OF SECURITIES.

   
<TABLE>
<CAPTION>
                                                                                                      NUMBER OF RECORD
                                                                                                         HOLDERS AT
                                                                                                       SEPTEMBER 30,
TITLE OF CLASS                                                                                              1994
- ----------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                   <C>
Class A shares of beneficial interest par value $0.10 per share.....................................          6
Class B shares of beneficial interest par value $0.10 per share.....................................         84
Class C shares of beneficial interest par value $0.10 per share.....................................          0
Class D shares of beneficial interest par value $0.10 per share.....................................          0
</TABLE>
    

ITEM 27.  INDEMNIFICATION.

    Section 5.3 of the Registrant's Declaration of Trust provides as follows:

    "The  Trust shall  indemnify each of  its Trustees,  officers, employees and
agents (including persons  who serve at  its request as  directors, officers  or
trustees  of another organization in which it has any interest as a shareholder,
creditor or otherwise) against all  liabilities and expenses (including  amounts
paid  in satisfaction of judgments, in compromise, as fines and penalties and as
counsel fees)  reasonably incurred  by him  in connection  with the  defense  or
disposition  of any action, suit or other proceeding, whether civil or criminal,
in which he may be involved or with which he may be threatened, while in  office
or  thereafter, by reason of  his being or having  been such a trustee, officer,
employee or agent, except with respect to  any matter as to which he shall  have
been  adjudicated  to  have  acted  in  bad  faith,  willful  misfeasance, gross
negligence or reckless disregard  of his duties; provided,  however, that as  to
any  matter disposed of  by a compromise  payment by such  person, pursuant to a
consent decree or otherwise, no indemnification  either for said payment or  for
any  other expenses  shall be  provided unless the  Trust shall  have received a
written opinion from independent legal counsel  approved by the Trustees to  the
effect  that if  either the matter  of willful misfeasance,  gross negligence or
reckless disregard of duty, or the matter of good faith and reasonable belief as
to the best interests  of the Trust,  had been adjudicated,  it would have  been
adjudicated  in favor of  such person. The  rights accruing to  any Person under
these provisions shall not exclude any other  right to which he may be  lawfully
entitled;  provided  that  no  person  may satisfy  any  right  in  indemnity or
reimbursement granted herein or in Section 5.1  or to which he may be  otherwise
entitled  except out of the  property of the Trust,  and no Shareholder shall be
personally liable  to any  Person with  respect to  any claim  for indemnity  or
reimbursement or otherwise. The Trustees may make advance payments in connection
with  indemnification  under this  Section  5.3, provided  that  the indemnified
person shall have  given a  written undertaking to  reimburse the  Trust in  the
event   it  is  subsequently  determined  that   he  is  not  entitled  to  such
indemnification."

    Insofar as the conditional advancing  of indemnification monies for  actions
based  upon the Investment  Company Act of  1940, as amended,  may be concerned,
such payments will be  made only on the  following conditions: (i) the  advances
must  be  limited  to  amounts used,  or  to  be used,  for  the  preparation or
presentation of a  defense to  the action,  including costs  connected with  the
preparation  of a settlement; (ii)  advances may be made  only upon receipt of a
written promise by, or on behalf of,  the recipient to repay that amount of  the
advance which exceeds the amount to which it is ultimately determined that he is
entitled  to receive from the Registrant by reason of indemnification; and (iii)
(a) such promise must be secured by  a surety bond, other suitable insurance  or
an equivalent form of security which assures that any repayments may be obtained
by  the Registrant without  delay or litigation, which  bond, insurance or other
form of security  must be provided  by the recipient  of the advance,  or (b)  a
majority  of a quorum of the  Registrant's disinterested, non-party Trustees, or
an independent legal counsel in a written opinion, shall determine, based upon a
review of readily available facts that  the recipient of the advance  ultimately
will be found entitled to indemnification.

                                      C-3
<PAGE>
    In Section 9 of the Distribution Agreements relating to the securities being
offered  hereby, the  Registrant agrees  to indemnify  the Distributor  and each
person, if  any,  who  controls  the  Distributor  within  the  meaning  of  the
Securities  Act  of  1933  (the  "1933 Act"),  against  certain  types  of civil
liabilities arising in connection with the Registration Statement or  Prospectus
and Statement of Additional Information.

    Insofar as indemnification for liabilities arising under the 1933 Act may be
permitted  to Trustees, officers  and controlling persons  of the Registrant and
the principal underwriter pursuant to the foregoing provisions or otherwise, the
Registrant has been advised that in  the opinion of the Securities and  Exchange
Commission  such indemnification  is against public  policy as  expressed in the
1933 Act  and  is, therefore,  unenforceable.  In the  event  that a  claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
Registrant of expenses incurred  or paid by a  Trustee, officer, or  controlling
person  of the Registrant  and the principal underwriter  in connection with the
successful defense  of any  action,  suit or  proceeding)  is asserted  by  such
Director,  officer  or  controlling  person  or  the  principal  underwriter  in
connection with the shares being registered, the Registrant will, unless in  the
opinion  of its  counsel the matter  has been settled  by controlling precedent,
submit to  a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against public policy as expressed in the 1933 Act and
will be governed by the final adjudication of such issue.

ITEM 28.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.

   
    Fund Asset Management, L.P. (the  "Manager") acts as the investment  adviser
for  the following registered  investment companies: Apex  Municipal Fund, Inc.,
CBA Money Fund, CMA Government Securities Fund, CMA Money Fund, CMA  Multi-State
Municipal  Series Trust, CMA  Tax-Exempt Fund, CMA  Treasury Fund, The Corporate
Fund Accumulation Program, Inc., Corporate High Yield Fund, Inc., Corporate High
Yield Fund II, Inc., Emerging  Tigers Fund, Inc., Financial Institutions  Series
Trust,  Income Opportunities  Fund 1999,  Inc., Income  Opportunities Fund 2000,
Inc., Merrill Lynch Basic Value  Fund, Inc., Merrill Lynch California  Municipal
Series  Trust, Merrill  Lynch Corporate Bond  Fund, Inc.,  Merrill Lynch Federal
Securities Trust, Merrill  Lynch Funds  for Institutions  Series, Merrill  Lynch
Limited  Maturity Municipal  Series Trust,  Merrill Lynch  Multi-State Municipal
Series Trust, Merrill  Lynch Municipal  Bond Fund, Inc.,  Merrill Lynch  Phoenix
Fund,  Inc., Merrill Lynch Special Value  Fund, Inc., Merrill Lynch World Income
Fund, Inc., MuniAssets  Fund, Inc.,  MuniBond Income Fund,  Inc., The  Municipal
Fund  Accumulation  Program, Inc.,  MuniEnhanced  Fund, Inc.,  MuniInsured Fund,
Inc., MuniVest Fund, Inc., MuniVest  Fund II, Inc., MuniVest California  Insured
Fund,  Inc.,  MuniVest  Florida  Fund,  MuniVest  Michigan  Insured  Fund, Inc.,
MuniVest New Jersey Fund, Inc., MuniVest  New York Insured Fund, Inc.,  MuniVest
Pennsylvania  Insured Fund, MuniYield Arizona Fund, Inc., MuniYield Arizona Fund
II, Inc., MuniYield  California Fund, Inc.,  MuniYield California Insured  Fund,
Inc.,  MuniYield  California  Insured  Fund II,  Inc.,  MuniYield  Florida Fund,
MuniYield Florida Insured  Fund, MuniYield Fund,  Inc., MuniYield Insured  Fund,
Inc.,  MuniYield Insured Fund II, Inc., MuniYield Michigan Fund, Inc., MuniYield
Michigan Insured  Fund, Inc.,  MuniYield New  Jersey Fund,  Inc., MuniYield  New
Jersey  Insured Fund, Inc., MuniYield New York Insured Fund, Inc., MuniYield New
York Insured Fund II, Inc., MuniYield New York Insured Fund III, Inc., MuniYield
Pennsylvania Fund,  MuniYield Quality  Fund, Inc.,  MuniYield Quality  Fund  II,
Inc.,  Senior High  Income Portfolio,  Inc., Senior  High Income  Portfolio, II,
Inc., Senior Strategic Income Fund, Inc., Taurus MuniCalifornia Holdings,  Inc.,
Taurus  MuniNew York Holdings, Inc. and  Worldwide DollarVest Fund, Inc. Merrill
Lynch Asset Management, L.P.  ("MLAM"), of the Manager,  acts as the  investment
adviser  for the following companies:  Convertible Holdings, Inc., Merrill Lynch
Adjustable Rate Securities Fund, Inc., Merrill Lynch Americas Income Fund, Inc.,
Merrill Lynch Asset Growth  Fund, Inc., Merrill Lynch  Asset Income Fund,  Inc.,
Merrill Lynch Balanced Fund for Investment and Retirement, Merrill Lynch Capital
Fund,  Inc., Merrill Lynch Developing Capital  Markets Fund, Inc., Merrill Lynch
Dragon Fund,  Inc., Merrill  Lynch EuroFund,  Merrill Lynch  Fundamental  Growth
Fund,  Inc., Merrill  Lynch Fund For  Tomorrow, Inc., Merrill  Lynch Global Bond
Fund for Investment and Retirement, Merrill Lynch Global Allocation Fund,  Inc.,
Merrill  Lynch  Global Convertible  Fund, Inc.,  Merrill Lynch  Global Holdings,
Inc., Merrill Lynch Global Resources Trust, Merrill Lynch Global SmallCap  Fund,
Inc.,  Merrill Lynch  Global Utility Fund,  Inc., Merrill Lynch  Growth Fund for
Investment and Retirement,  Merrill Lynch Healthcare  Fund, Inc., Merrill  Lynch
High   Income   Municipal   Bond  Fund,   Inc.,   Merrill   Lynch  Institutional
    

                                      C-4
<PAGE>
   
Intermediate Fund, Merrill Lynch International Equity Fund, Merrill Lynch  Latin
America  Fund, Inc., Merrill Lynch Municipal Series Trust, Merrill Lynch Pacific
Fund, Inc., Merrill Lynch  Ready Assets Trust,  Merrill Lynch Retirement  Series
Trust, Merrill Lynch Senior Floating Rate Fund, Inc., Merrill Lynch Series Fund,
Inc., Merrill Lynch Short-Term Global Income Fund, Inc., Merrill Lynch Strategic
Dividend  Fund, Merrill Lynch Technology Fund, Inc., Merrill Lynch U.S. Treasury
Money Fund,  Merrill Lynch  U.S.A. Government  Reserves, Merrill  Lynch  Utility
Income  Fund, Inc. and Merrill Lynch Variable  Series Funds, Inc. The address of
each of  these investment  companies is  P.O. Box  9011, Princeton,  New  Jersey
08543-9011,  except that  the address  of Merrill  Lynch Funds  for Institutions
Series and  Merrill  Lynch  Institutional Intermediate  Fund  is  One  Financial
Center,  15th  Floor,  Boston,  Massachusetts  02111-2646.  The  address  of the
Manager,  MLAM,  Merrill  Lynch  Funds  Distributor,  Inc.  ("MLFD"),  Princeton
Services, Inc. ("Princeton Services") and Princeton Administrators, L.P. is also
P.O.  Box 9011, Princeton, New Jersey  08543-9011. The address of Merrill Lynch,
Pierce, Fenner & Smith Incorporated ("Merrill  Lynch") and Merrill Lynch &  Co.,
Inc.  ("ML & Co.") is World Financial Center, North Tower, 250 Vesey Street, New
York, New  York 10281.  The address  of Financial  Data Services,  Inc. is  4800
Deerlake Drive East, Jacksonville, Florida 32246-6484.
    

   
    Set  forth below  is a  list of  each executive  officer and  partner of the
Manager indicating  each  business,  profession, vocation  or  employment  of  a
substantial  nature in which each such person has been engaged since December 1,
1991 for his own  account or in  the capacity of  director, officer, partner  or
trustee.  In addition, Mr. Zeikel is President, Mr. Richard is Treasurer and Mr.
Glenn is  Executive  Vice  President  of substantially  all  of  the  investment
companies  described in the preceding paragraph and also hold the same positions
with all or  substantially all of  the investment companies  advised by MLAM  as
they do with those advised by the Manager, and Messrs. Durnin, Giordano, Harvey,
Hewitt,  Kirstein, Monagle and Ms.  Griffin are directors or  officers of one or
more of such companies.
    

   
    Officers and Partners of FAM are set forth as follows:
    

   
<TABLE>
<CAPTION>
                                 POSITION(S) WITH                         OTHER SUBSTANTIAL BUSINESS,
           NAME                    THE MANAGER                         PROFESSION, VOCATION OR EMPLOYMENT
- ---------------------------  ----------------------------------------------------------------------------------------------
<S>                          <C>                     <C>
ML & Co.                     Limited Partner         Financial Services Holding Company
Fund Asset Management, Inc.  Limited Partner         Investment Advisory Services
Princeton Services           General Partner         General Partner of MLAM
Arthur Zeikel                President               President and Director of MLAM; President and Director of Princeton
                                                       Services; Director of MLFD; Executive Vice President of ML & Co.;
                                                       Executive Vice President of Merrill Lynch
Terry K. Glenn               Executive Vice President Executive Vice President of MLAM; Executive Vice President and
                                                       Director of Princeton Services; President and Director of MLFD;
                                                       President of Princeton Administrators, L.P.
Bernard J. Durnin            Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
Vincent R. Giordano          Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
Elizabeth Griffin            Senior Vice President   Senior Vice President of MLAM
Norman R. Harvey             Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
N. John Hewitt               Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
</TABLE>
    

                                      C-5
<PAGE>
   
<TABLE>
<CAPTION>
                                 POSITION(S) WITH                         OTHER SUBSTANTIAL BUSINESS,
           NAME                    THE MANAGER                         PROFESSION, VOCATION OR EMPLOYMENT
- ---------------------------  ----------------------------------------------------------------------------------------------
<S>                          <C>                     <C>
Philip L. Kirstein           Senior Vice President,  Senior Vice-President, General Counsel and Secretary of MLAM; Senior
                               General Counsel and     Vice President, General Counsel and Director of Princeton Services;
                               Secretary               Director of MLFD
Ronald M. Kloss              Senior Vice President   Senior Vice President and Controller of MLAM; Senior Vice President
                               and Controller          and Controller of Princeton Services
Joseph T. Monagle            Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
Gerald M. Richard            Senior Vice President   Senior Vice President and Treasurer of MLAM; Senior Vice President and
                               and Treasurer           Treasurer of Princeton Services; Vice President and Treasurer of
                                                       MLFD
Richard L. Rufener           Senior Vice President   Senior Vice President of MLAM; Vice President of MLFD; Senior Vice
                                                       President of Princeton Services
Ronald L. Welburn            Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
Anthony Wiseman              Senior Vice President   Senior Vice President of MLAM; Senior Vice President of Princeton
                                                       Services
</TABLE>
    

ITEM 29. PRINCIPAL UNDERWRITERS.

   
    (a) MLFD acts as the principal  underwriter for the Registrant and for  each
of  the open-end investment companies referred to in the first paragraph of Item
28 except Apex Municipal Fund, Inc.,  CBA Money Fund, CMA Government  Securities
Fund,  CMA Money  Fund, CMA Multi-State  Municipal Series  Trust, CMA Tax-Exempt
Fund,  CMA  Treasury  Fund,  Convertible  Holdings,  Inc.,  The  Corporate  Fund
Accumulation  Program,  Inc., Corporate  High Yield  Fund, Inc.,  Corporate High
Yield Fund II, Inc., Emerging Tigers Fund, Inc., Income Opportunities Fund 1999,
Inc., Income  Opportunities Fund  2000, Inc.,  MuniAssets Fund,  Inc.,  MuniBond
Income  Fund, Inc., The Municipal  Fund Accumulation Program, Inc., MuniEnhanced
Fund, Inc., MuniInsured Fund, Inc., MuniVest Fund, Inc., MuniVest Fund II, Inc.,
MuniVest California Insured Fund, Inc., MuniVest Florida Fund, MuniVest Michigan
Insured Fund, Inc., MuniVest  New Jersey Fund, Inc.,  MuniVest New York  Insured
Fund,  Inc., MuniVest Pennsylvania Fund, MuniYield Arizona Fund, Inc., MuniYield
Arizona Fund II,  Inc., MuniYield  California Fund,  Inc., MuniYield  California
Insured  Fund,  Inc., MuniYield  Florida Fund,  MuniYield Florida  Insured Fund,
MuniYield Fund, Inc., MuniYield Insured  Fund, Inc., MuniYield Insured Fund  II,
Inc.,  MuniYield  Michigan Fund,  Inc., MuniYield  Michigan Insured  Fund, Inc.,
MuniYield New  Jersey  Fund, Inc.,  MuniYield  New Jersey  Insured  Fund,  Inc.,
MuniYield New York Insured Fund, Inc., MuniYield New York Insured Fund II, Inc.,
MuniYield  New  York  Insured  Fund  III,  Inc.,  MuniYield  Pennsylvania  Fund,
MuniYield Quality  Fund, Inc.,  MuniYield  Quality Fund  II, Inc.,  Senior  High
Income  Portfolio, Inc., Senior High Income Portfolio II, Inc., Senior Strategic
Income Fund, Inc.,  Taurus MuniCalifornia  Holdings, Inc.,  Taurus MuniNew  York
Holdings, Inc. and Worldwide DollarVest Fund, Inc.
    

                                      C-6
<PAGE>
    (b)  Set forth below is information  concerning each director and officer of
MLFD. The principal business address of each such person is Box 9011, Princeton,
New Jersey 08543-9011, except that the address of Messrs. Crook, Aldrich, Breen,
Graczyk, Fatseas  and  Wasel  is  One  Financial  Center,  15th  Floor,  Boston,
Massachusetts 02111-2646.

   
<TABLE>
<CAPTION>
                (1)                                 (2)                             (3)
                                          POSITION(S) AND OFFICES         POSITION(S) AND OFFICES
                NAME                             WITH MLFD                    WITH REGISTRANT
- ------------------------------------  --------------------------------  ----------------------------
<S>                                   <C>                               <C>
Terry K. Glenn                        President and Director            Executive Vice President
Arthur Zeikel                         Director                          President and Trustee
Philip L. Kirstein                    Director                          None
William E. Aldrich                    Senior Vice President             None
Robert W. Crook                       Senior Vice President             None
Kevin P. Boman                        Vice President                    None
Michael J. Brady                      Vice President                    None
William M. Breen                      Vice President                    None
Sharon Creveling                      Vice President and Assistant      None
                                        Treasurer
Mark A. DeSario                       Vice President                    None
James T. Fatseas                      Vice President                    None
Stanley Graczyk                       Vice President                    None
Debra W. Landsman-Yaros               Vice President                    None
Michelle T. Lau                       Vice President                    None
Gerald M. Richard                     Vice President and Treasurer      Treasurer
Richard L. Rufener                    Vice President                    None
Salvatore Venezia                     Vice President                    None
William Wasel                         Vice President                    None
Robert Harris                         Secretary                         None
</TABLE>
    

    (c) Not applicable.

ITEM 30. LOCATION OF ACCOUNTS AND RECORDS.

    All accounts, books and other documents required to be maintained by Section
31(a)  of  the  Investment  Company  Act of  1940,  as  amended,  and  the Rules
thereunder are maintained at  the offices of the  Registrant and Financial  Data
Services, Inc.

ITEM 31. MANAGEMENT SERVICES.

    Other  than  as set  forth under  the  caption "Management  of the  Trust --
Management and Advisory Arrangements" in  the Prospectus constituting Part A  of
the  Registration Statement and under "Management of the Trust -- Management and
Advisory Arrangements" in the  Statement of Additional Information  constituting
Part  B  of  the  Registration  Statement, Registrant  is  not  a  party  to any
management-related service contract.

ITEM 32. UNDERTAKINGS.

   
(a) Not Applicable.
    

   
(b)_Not Applicable.
    

   
(c)_Registration undertakes  to furnish  each  person to  whom a  Prospectus  is
    delivered   with  a  copy  of  the  Registrant's  latest  annual  report  to
    shareholders, upon request and without charge.
    

                                      C-7
<PAGE>
                                   SIGNATURES

   
    Pursuant  to  the  requirements  of  the  Securities  Act  of  1933  and the
Investment Company Act of  1940, the Registrant certifies  that it meets all  of
the  requirements  for effectiveness  of  this Post-Effective  Amendment  to its
Registration Statement pursuant to Rule 485(b) under the Securities Act of  1933
and  has duly caused this  Registration Statement to be  signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Plainsboro, and State
of New Jersey, on the 11th day of October, 1994.
    

                                          MERRILL LYNCH MULTI-STATE MUNICIPAL
                                            SERIES TRUST
                                                       (Registrant)

   
                                          By:          /s/_ARTHUR ZEIKEL

                                          --------------------------------------
                                                 (ARTHUR ZEIKEL, PRESIDENT)
    

    Pursuant  to  the  requirements  of   the  Securities  Act  of  1933,   this
Registration  Statement has  been signed below  by the following  persons in the
capacities and on the date(s) indicated.

   
<TABLE>
<CAPTION>
                      SIGNATURE                                        TITLE                         DATE
- ------------------------------------------------------  ------------------------------------  -------------------

<C>                                                     <S>                                   <C>
                         /s/ARTHUR ZEIKEL
     -------------------------------------------        President (Principal Executive         October 11, 1994
                   (Arthur Zeikel)                       Officer) and Trustee

                      /s/GERALD M. RICHARD
     -------------------------------------------        Treasurer (Principal Financial and     October 11, 1994
                 (Gerald M. Richard)                     Accounting Officer)

                       KENNETH S. AXELSON*
     -------------------------------------------        Trustee
                 (Kenneth S. Axelson)

                       HERBERT I. LONDON*
     -------------------------------------------        Trustee
                 (Herbert I. London)

                        ROBERT R. MARTIN*
     -------------------------------------------        Trustee
                  (Robert R. Martin)

                           JOSEPH L. MAY*
     -------------------------------------------        Trustee
                   (Joseph L. May)

                         ANDRE F. PEROLD*
     -------------------------------------------        Trustee
                  (Andre F. Perold)

           *By            /s/ARTHUR ZEIKEL
          -------------------------------------                                                October 11, 1994
            (Arthur Zeikel, Attorney-in-fact)
</TABLE>
    

                                      C-8
<PAGE>
   
                                 EXHIBIT INDEX
    

   
<TABLE>
<CAPTION>
 EXHIBIT
 NUMBER                                             DESCRIPTION                                              PAGE
- ---------  ----------------------------------------------------------------------------------------------  ---------
<S>        <C>                                                                                             <C>
           -- Supplement to Management Agreement between Registrant and Fund Asset Management, L.P.
 5(b)
           -- Form of Revised Class A Shares Distribution Agreement between Registrant and Merrill Lynch
              Funds Distributor, Inc. (including Form of Selected Dealers Agreement).
 6(a)(2)
           -- Form of Class C Shares Distribution Agreement between Registrant and Merrill Lynch Funds
              Distributor, Inc. (including Form of Selected Dealers Agreement).
  (c)
           -- Form of Class D Shares Distribution Agreement between Registrant and Merrill Lynch Funds
              Distributor, Inc. (including Form of Selected Dealers Agreement).
  (d)
           -- Consent of Deloitte & Touche LLP, independent auditors for Registrant.
11
           -- Form of Class C Shares Distribution Plan and Class C Distribution Plan Sub-Agreement.
15(b)
           -- Form of Class D Shares Distribution Plan and Class D Distribution Plan Sub-Agreement.
  (c)
           -- Financial Data Schedule for Class A Shares.
17(a)
           -- Financial Data Schedule for Class B Shares.
17(b)
</TABLE>
    
<PAGE>

                    APPENDIX FOR GRAPHIC AND IMAGE MATERIAL

     Pursuant to Rule 304 of Regulation S-T, the following table presents fair
and accurate narrative descriptions of graphic and image material omitted from
this EDGAR Submission file due to ASCII-incompatibility and cross-references
this material to the location of each occurrence in the text.

DESCRIPTION OF OMITTED                              LOCATION OF GRAPHIC
   GRAPHIC OR IMAGE                                   OR IMAGE IN TEXT
- ----------------------                              -------------------
Compass plate, circular                         Back cover of Prospectus and
graph paper and Merrill Lynch                     back cover of Statement of
logo including stylized market                    Additional Information
bull



<PAGE>





                   SUPPLEMENT TO INVESTMENT ADVISORY AGREEMENT
                                      WITH
                              FUND ASSET MANAGEMENT



As of January 1, 1994 Fund Asset Management was reorganized as a limited
partnership, formally known as Fund Asset Management, L.P. ("FAM").  The general
partner of FAM is Princeton Services, Inc. and the limited partners are Fund
Asset Management, Inc. and Merrill Lynch & Co, Inc.  Pursuant to Rule 202(a)(1)-
1 under the Investment Advisors Act of 1940 and Rule 2a-6 under the Investment
Company Act of 1940 such reorganization did not constitute an assignment of this
investment advisory agreement since it did not involve a change of control or
management of the investment adviser.  Pursuant to the requirements of Section
205 of the Investment Advisers Act of 1940, however, Fund Asset Management
hereby supplements this investment advisory agreement by undertaking to advise
you of any change in the membership of the partnership within a reasonable time
after any such change occurs.





                                   By /s/ Arthur Zeikel
                                     ------------------



Dated:  January 3, 1994



<PAGE>

                                 CLASS A SHARES

                             DISTRIBUTION AGREEMENT


     AGREEMENT made as of the ____ day of October, 1994, between MERRILL LYNCH
MULTI-STATE MUNICIPAL SERIES TRUST, a Massachusetts business trust (the
"Trust"), and MERRILL LYNCH FUNDS DISTRIBUTOR, INC., a Delaware corporation (the
"Distributor").

                              W I T N E S S E T H :

     WHEREAS, the Trust is registered under the Investment Company Act of 1940,
as amended (the "Investment Company Act"), as an open-end investment company,
and it is affirmatively in the interest of the Trust to offer its shares for
sale continuously;
and

     WHEREAS, the Trustees of the Trust (the "Trustees") are authorized to
establish separate series (the "Series") relating to separate portfolios of
securities, each of which will offer separate classes of shares of beneficial
interest, par value $0.10 per share (collectively referred to as "shares") to
selected groups of purchasers; and

     WHEREAS, the Trustees have established and designated the Merrill Lynch
[State] Municipal Bond Fund (the "Fund") as a series of the Trust; and

     WHEREAS, the Distributor is a securities firm engaged in the business of
selling shares of investment companies either directly to purchasers or through
other securities dealers; and
<PAGE>

     WHEREAS, the Trust and the Distributor wish to enter into an agreement with
each other with respect to the continuous offering of the Class A shares of
beneficial interest in the Fund.

     NOW, THEREFORE, the parties agree as follows:

     Section 1.  APPOINTMENT OF THE DISTRIBUTOR.  The Trust hereby appoints the
Distributor as the principal underwriter and distributor of the Trust to sell
Class A shares of beneficial interest in the Fund (sometimes herein referred to
as "Class A shares") to eligible investors (as defined below) and hereby agrees
during the term of this Agreement to sell Class A shares of the Fund to the
Distributor upon the terms and conditions herein set forth.

     Section 2.  EXCLUSIVE NATURE OF DUTIES.  The Distributor shall be the
exclusive representative of the Trust to act as principal underwriter and
distributor, except that:

     (a)  The Trust may, upon written notice to the Distributor, from time to
time designate other principal underwriters and distributors of Class A shares
with respect to areas other than the United States as to which the Distributor
may have expressly waived in writing its right to act as such.  If such
designation is deemed exclusive, the right of the Distributor under this
Agreement to sell Class A shares in the areas so designated shall terminate, but
this Agreement shall remain otherwise in full effect until terminated in
accordance with the other provisions hereof.


                                        2
<PAGE>

     (b)  The exclusive right granted to the Distributor to purchase Class A
shares from the Trust shall not apply to Class A shares issued in connection
with the merger or consolidation of any other investment company or personal
holding company with the Trust or the acquisition by purchase or otherwise of
all (or substantially all) the assets or the outstanding Class A shares of any
such company by the Trust.

     (c)  Such exclusive right also shall not apply to Class A shares issued
pursuant to reinvestment of dividends or capital gains distributions.

     (d)  Such exclusive right also shall not apply to Class A shares issued
pursuant to any conversion, exchange or reinstatement privilege afforded
redeeming shareholders or to any other Class A shares as shall be agreed between
the Trust and the Distributor from time to time.

     Section 3.  PURCHASE OF CLASS A SHARES FROM THE TRUST.

     (a)  The Distributor shall have the right to buy from the Trust the Class A
shares needed, but not more than the Class A shares needed (except for clerical
errors in transmission) to fill unconditional orders for Class A shares of the
Fund placed with the Distributor by eligible investors or securities dealers.
Investors eligible to purchase Class A shares shall be those persons so
identified in the currently effective prospectus and statement of additional
information of the Fund (the "prospectus" and "statement of additional
information", respectively) under the Securities Act of 1933, as amended (the
"Securities Act"),


                                        3
<PAGE>

relating to such Class A shares ("eligible investors").  The price which the
Distributor shall pay for the Class A shares so purchased from the Trust shall
be the net asset value, determined as set forth in Section 3(d) hereof, used in
determining the public offering price on which such orders were based.

     (b)  The Class A shares are to be resold by the Distributor to eligible
investors at the public offering price, as set forth in Section 3(c) hereof, or
to securities dealers having agreements with the Distributor upon the terms and
conditions set forth in Section 7 hereof.

     (c)  The public offering price(s) of the Class A shares, I.E., the price
per share at which the Distributor or selected dealers may sell Class A shares
to eligible investors, shall be the public offering price as set forth in the
prospectus and statement of additional information relating to such Class A
shares, but not to exceed the net asset value at which the Distributor is to
purchase the Class A shares, plus a sales charge not to exceed 4.00% of the
public offering price (4.17% of the net amount invested), subject to reductions
for volume purchases.  Class A shares may be sold to certain Trustees, officers
and employees of the Trust, directors and employees of Merrill Lynch & Co., Inc.
and its subsidiaries, and to certain other persons described in the prospectus
and statement of additional information, without a sales charge or at a reduced
sales charge, upon terms and conditions set forth in the prospectus and
statement of additional information.  If the


                                        4
<PAGE>

public offering price does not equal an even cent, the public offering price may
be adjusted to the nearest cent.  All payments to the Trust hereunder shall be
made in the manner set forth in Section 3(f).

     (d)  The net asset value of Class A shares shall be determined by the Trust
or any agent of the Trust in accordance with the method set forth in the
prospectus and statement of additional information of the Fund and guidelines
established by the Trustees.

     (e)  The Trust shall have the right to suspend the sale of its Class A
shares at times when redemption is suspended pursuant to the conditions set
forth in Section 4(b) hereof.  The Trust shall also have the right to suspend
the sale of its Class A shares if trading on the New York Stock Exchange shall
have been suspended, if a banking moratorium shall have been declared by Federal
or New York authorities, or if there shall have been some other event, which, in
the judgment of the Trust, makes it impracticable or inadvisable to sell the
Class A shares.

     (f)  The Trust, or any agent of the Trust designated in writing by the
Trust, shall be promptly advised of all purchase orders for Class A shares
received by the Distributor.  Any order may be rejected by the Trust; provided,
however, that the Trust will not arbitrarily or without reasonable cause refuse
to accept or confirm orders for the purchase of Class A shares from eligible
investors.  The Trust (or its agent) will confirm orders upon their receipt,
will make appropriate book entries and, upon


                                        5
<PAGE>

receipt by the Trust (or its agent) of payment therefor, will deliver deposit
receipts or certificates for such Class A shares pursuant to the instructions of
the Distributor.  Payment shall be made to the Trust in New York Clearing House
funds.  The Distributor agrees to cause such payment and such instructions to be
delivered promptly to the Trust (or its agent).

     Section 4.  REPURCHASE OR REDEMPTION OF CLASS A SHARES BY THE TRUST.

     (a)  Any of the outstanding Class A shares may be tendered for redemption
at any time, and the Trust agrees to repurchase or redeem the Class A shares so
tendered in accordance with its obligations as set forth in Article VIII of its
Declaration of Trust, as amended from time to time, and in accordance with the
applicable provisions set forth in the prospectus and statement of additional
information.  The price to be paid to redeem or repurchase the Class A shares
shall be equal to the net asset value calculated in accordance with the
provisions of Section 3(d) hereof, less any contingent deferred sales charge
("CDSC"), redemption fee or other charge(s), if any, set forth in the prospectus
and statement of additional information of the Fund.  All payments by the Trust
hereunder shall be made in the manner set forth below.  The redemption or
repurchase by the Trust of any of the Class A shares purchased by or through the
Distributor will not affect the sales charge secured by the Distributor or any
selected dealer in the course of the original sale, except that if any Class A
shares are tendered for redemption or repur-


                                        6
<PAGE>

chase within seven business days after the date of the confirmation of the
original purchase, the right to the sales charge shall be forfeited by the
Distributor and the selected dealer which sold such Class A shares.

     The Trust shall pay the total amount of the redemption price as defined in
the above paragraph pursuant to the instructions of the Distributor in New York
Clearing House funds on or before the seventh business day subsequent to its
having received the notice of redemption in proper form.  The proceeds of any
redemption of shares shall be paid by the Trust as follows:  (i) any applicable
CDSC shall be paid to the Distributor, and (ii) the balance shall be paid to or
for the account of the shareholder, in each case in accordance with the
applicable provisions of the prospectus and statement of additional information.

     (b)  Redemption of Class A shares or payment may be suspended at times when
the New York Stock Exchange is closed, when trading on said Exchange is
suspended, when trading on said Exchange is restricted, when an emergency exists
as a result of which disposal by the Trust of securities owned by it is not
reasonably practicable or it is not reasonably practicable for the Trust fairly
to determine the value of the net assets of the Fund, or during any other period
when the Securities and Exchange Commission, by order, so permits.

     Section 5.  DUTIES OF THE TRUST.

     (a)  The Trust shall furnish to the Distributor copies of all information,
financial statements and other papers which the


                                        7
<PAGE>

Distributor may reasonably request for use in connection with the distribution
of Class A shares of the Fund, and this shall include, upon request by the
Distributor, one certified copy of all  financial statements prepared for the
Trust by independent public accountants.  The Trust shall make available to the
Distributor such number of copies of the prospectus and statement of additional
information relating to the Fund as the Distributor shall reasonably request.

     (b)  The Trust shall take, from time to time, but subject to any necessary
approval of the Class A shareholders, all necessary action to fix the number of
authorized Class A shares and such steps as may be necessary to register the
same under the Securities Act, to the end that there will be available for sale
such number of Class A shares as the Distributor may reasonably be expected to
sell.

     (c)  The Trust shall use its best efforts to qualify and maintain the
qualification of an appropriate number of its Class A shares for sale under the
securities laws of such states as the Distributor and the Trust may approve.
Any such qualification may be withheld, terminated or withdrawn by the Trust at
any time in its discretion.  As provided in Section 8(c) hereof, the expense of
qualification and maintenance of qualification shall be borne by the Trust.
The Distributor shall furnish such information and other material relating to
its affairs and activities as may be required by the Trust in connection with
such qualification.


                                        8
<PAGE>

     (d)  The Trust will furnish, in reasonable quantities upon request by the
Distributor, copies of annual and interim reports of the Fund.

     Section 6.  DUTIES OF THE DISTRIBUTOR.

     (a)  The Distributor shall devote reasonable time and effort to effect
sales of Class A shares of the Fund but shall not be obligated to sell any
specific number of Class A shares.  The services of the Distributor to the Trust
hereunder are not to be deemed exclusive and nothing herein contained shall
prevent the Distributor from entering into like arrangements with other
investment companies so long as the performance of its obligations hereunder is
not impaired thereby.

     (b)  In selling the Class A shares of the Fund, the Distributor shall use
its best efforts in all respects duly to conform with the requirements of all
Federal and state laws relating to the sale of such securities.  Neither the
Distributor nor any selected dealer, as defined in Section 7 hereof, nor any
other person is authorized by the Trust to give any information or to make any
representations, other than those contained in the registration statement or
related prospectus and statement of additional information and any sales
literature specifically approved by the Trust.

     (c)  The Distributor shall adopt and follow procedures, as approved by the
officers of the Trust, for the confirmation of sales to eligible investors and
selected dealers, the collection of amounts payable by eligible investors and
selected dealers on


                                        9
<PAGE>

such sales, and the cancellation of unsettled transactions, as may be necessary
to comply with the requirements of the National Association of Securities
Dealers, Inc. (the "NASD"), as such requirements may from time to time exist.

     Section 7.  SELECTED DEALERS AGREEMENTS.

     (a)  The Distributor shall have the right to enter into selected dealers
agreements with securities dealers of its choice ("selected dealers") for the
sale of Class A shares and fix therein the portion of the sales charge which may
be allocated to the selected dealers; provided that the Trust shall approve the
forms of agreements with dealers and the dealer compensation set forth therein.
Class A shares sold to selected dealers shall be for resale by such dealers only
at the public offering price(s) set forth in the prospectus and statement of
additional information.  The form of agreement with selected dealers to be used
during the continuous offering of the Class A shares is attached hereto as
Exhibit A.

     (b)  Within the United States, the Distributor shall offer and sell Class A
shares only to such selected dealers as are members in good standing of the
NASD.

     Section 8.  PAYMENT OF EXPENSES.

     (a)  The Trust shall bear all costs and expenses of the Fund, including
fees and disbursements of its counsel and auditors, in connection with the
preparation and filing of any required registration statements and/or
prospectuses and statements of additional information under the Investment
Company


                                       10
<PAGE>

Act, the Securities Act, and all amendments and supplements thereto, and
preparing and mailing annual and interim reports and proxy materials to Class A
shareholders (including but not limited to the expense of setting in type any
such registration statements, prospectuses, statements of additional
information, annual or interim reports or proxy materials).

     (b)  The Distributor shall be responsible for any payments made to selected
dealers as reimbursement for their expenses associated with payments of sales
commissions to financial consultants.  In addition, after the prospectuses,
statements of additional information and annual and interim reports have been
prepared and set in type, the Distributor shall bear the costs and expenses of
printing and distributing any copies thereof which are to be used in connection
with the offering of Class A shares to selected dealers or eligible investors
pursuant to this Agreement.  The Distributor shall bear the costs and expenses
of preparing, printing and distributing any other literature used by the
Distributor or furnished by it for use by selected dealers in connection with
the offering of the Class A shares for sale to eligible investors and any
expenses of advertising incurred by the Distributor in connection with such
offering.

     (c)  The Trust shall bear the cost and expenses of qualification of the
Class A shares for sale pursuant to this Agreement and, if necessary or
advisable in connection therewith, of qualifying the Trust as a broker or dealer
in such states of the United States or other jurisdictions as shall be selected
by the


                                       11
<PAGE>

Trust and the Distributor pursuant to Section 5(c) hereof and the cost and
expenses payable to each such state for continuing qualification therein until
the Fund decides to discontinue such qualification pursuant to Section 5(c)
hereof.

     Section 9.  INDEMNIFICATION.

     (a)  The Trust shall indemnify and hold harmless the Distributor and each
person, if any, who controls the Distributor against any loss, liability, claim,
damage or expense (including the reasonable cost of investigating or defending
any alleged loss, liability, claim, damage or expense and reasonable counsel
fees incurred in connection therewith), as incurred, arising by reason of any
person acquiring any Class A shares, which may be based upon the Securities Act,
or on any other statute or at common law, on the ground that the registration
statement or related prospectus and statement of additional information relating
to the Fund, as from time to time amended and supplemented, or an annual or
interim report to shareholders of the Fund, includes an untrue statement of a
material fact or omits to state a material fact required to be  stated therein
or necessary in order to make the statements therein not misleading, unless such
statement or omission was made in reliance upon, and in conformity with,
information furnished to the Trust in connection therewith by or on behalf of
the Distributor; provided, however, that in no case (i) is the indemnity of the
Trust in favor of the Distributor and any such controlling persons to be deemed
to protect such Distributor or any such controlling persons thereof against any


                                       12
<PAGE>

liability to the Trust or its security holders to which the Distributor or any
such controlling persons would otherwise be subject by reason of willful
misfeasance, bad faith or gross negligence in the performance of their duties or
by reason of the reckless disregard of their obligations and duties under this
Agreement; or (ii) is the Trust to be liable under its indemnity agreement
contained in this paragraph with respect to any claim made against the
Distributor or any such controlling persons, unless the Distributor or such
controlling persons, as the case may be, shall have notified the Trust in
writing within a reasonable time after the summons or other first legal process
giving information of the nature of the claim shall have been served upon the
Distributor or such controlling persons (or after the Distributor or such
controlling persons shall have received notice of such service on any designated
agent), but failure to notify the Trust of any such claim shall not relieve it
from any liability which it may have to the person against whom such action is
brought otherwise than on account of its indemnity agreement contained in this
paragraph.  The Trust will be entitled to participate at its own expense in the
defense or, if it so elects, to assume the defense of any suit brought to
enforce any such liability, but if the Trust elects to assume the defense, such
defense shall be conducted by counsel chosen by it and satisfactory to the
Distributor or such controlling person or persons, defendant or defendants in
the suit.  In the event the Trust elects to assume the defense of any such suit
and retain


                                       13

<PAGE>

such counsel, the Distributor or such controlling person or persons, defendant
or defendants in the suit shall bear the fees and expenses of any additional
counsel retained by them, but in case the Trust does not elect to assume the
defense of any such suit, it will reimburse the Distributor or such controlling
person or persons, defendant or defendants in the suit, for the reasonable fees
and expenses of any counsel retained by them.  The Trust shall promptly notify
the Distributor of the commencement of any litigation or proceedings against it
or any of its officers or Trustees in connection with the issuance or sale of
any of the Class A shares.

     (b)  The Distributor shall indemnify and hold harmless the Trust and each
of its Trustees and officers and each person, if any, who controls the Trust
against any loss, liability, claim, damage or expense described in the foregoing
indemnity contained in subsection (a) of this Section, but only with respect to
statements or omissions made in reliance upon, and in conformity with,
information furnished to the Trust in writing by or on behalf of the Distributor
for use in connection with the registration statement or related prospectus and
statement of additional information, as from time to time amended, or the annual
or interim reports to Class A shareholders.  In case any action shall be brought
against the Trust or any person so indemnified, in respect of which indemnity
may be sought against the Distributor, the Distributor shall have the rights and
duties given to the Trust, and the Trust and each person so indemnified


                                       14
<PAGE>

shall have the rights and duties given to the Distributor by the provisions of
subsection (a) of this Section 9.

     Section 10.  MERRILL LYNCH MUTUAL FUND ADVISER PROGRAM.  In connection with
the Merrill Lynch Mutual Fund Adviser Program, the Distributor and its
affiliate, Merrill Lynch, Pierce, Fenner & Smith Incorporated, are authorized to
offer and sell shares of the Fund, as agent for the Fund, to participants in
such program.  The terms of this Agreement shall apply to such sales, including
terms as to the offering price of shares, the proceeds to be paid to the Fund,
the duties of the Distributor, the payment of expenses and indemnification
obligations of the Fund and the Distributor.

     Section 11.  DURATION AND TERMINATION OF THIS AGREEMENT.  This Agreement
shall become effective as of the date first above written and shall remain in
force until October __, 1996 and thereafter, but only for so long as such
continuance is specifically approved at least annually by (i) the Trustees or by
the vote of a majority of the outstanding Class A voting securities of the Fund
and (ii) by the vote of a majority of those Trustees who are not parties to this
Agreement or interested persons of any such party cast in person at a meeting
called for the purpose of voting on such approval.

     This Agreement may be terminated at any time, without the payment of any
penalty, by the Trustees or by vote of a majority of the outstanding Class A
voting securities of the Fund, or by the Distributor, on sixty days' written
notice to the other


                                       15
<PAGE>

party.  This Agreement shall automatically terminate in the event of its
assignment.

     The terms "vote of a majority of the outstanding voting securities",
"assignment", "affiliated person" and "interested person", when used in this
Agreement, shall have the respective meanings specified in the Investment
Company Act.

     Section 12.  AMENDMENTS OF THIS AGREEMENT.  This Agreement may be amended
by the parties only if such amendment is specifically approved by (i) the
Trustees or by the vote of a majority of outstanding Class A voting securities
of the Fund and (ii) by the vote of a majority of those Trustees of the Trust
who are not parties to this Agreement or interested persons of any such party
cast in person at a meeting called for the purpose of voting on such approval.

     Section 13.  GOVERNING LAW.  The provisions of this Agreement shall be
construed and interpreted in accordance with the laws of the State of New York
as at the time in effect and the applicable provisions of the Investment Company
Act.  To the extent that the applicable law of the State of New York, or any of
the provisions herein, conflict with the applicable provisions of the Investment
Company Act, the latter shall control.

     Section 14.  This Agreement supersedes the prior Distribution Agreement
entered into by the parties hereto with respect to the Class A shares of the
Fund.

     Section 15.  PERSONAL LIABILITY.  The Declaration of Trust establishing
Merrill Lynch Multi-State Municipal Series Trust,


                                       16
<PAGE>

dated August 2, 1985, a copy of which, together with all amendments thereto (the
"Declaration"), is on file in the office of the Secretary of the Commonwealth of
Massachusetts, provides that the name "Merrill Lynch Multi-State Municipal
Series Trust" refers to the Trustees under the Declaration collectively as
trustees, but not as individuals or personally; and no Trustee, shareholder,
officer, employee or agent of said Trust shall be held to any personal
liability, nor shall resort be had to their private property for the
satisfaction of any obligation or claim or otherwise in connection with the
affairs of said Trust, but the "Trust Property" only shall be liable.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.


                              MERRILL LYNCH MULTI-STATE
                              MUNICIPAL SERIES TRUST



                              By
                                -------------------------------------------
                                   Title:

                              MERRILL LYNCH TRUSTS DISTRIBUTOR, INC.


                              By
                                -------------------------------------------
                                   Title:


                                       17
<PAGE>

                                                                       EXHIBIT A


                    MERRILL LYNCH [STATE] MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                      CLASS A SHARES OF BENEFICIAL INTEREST

                           SELECTED DEALERS AGREEMENT


Gentlemen:

     Merrill Lynch Funds Distributor, Inc. (the "Distributor") has an agreement
with MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST, a Massachusetts business
trust (the "Trust"), pursuant to which it acts as the distributor for the sale
of Class A shares of beneficial interest, par value $0.10 per share (herein
referred to as "Class A shares"), of the Trust relating to Merrill Lynch [State]
Municipal Bond Fund (the "Fund"), and as such has the right to distribute Class
A shares of the Fund for resale.  The Trust is an open-end investment company
registered under the Investment Company Act of 1940, as amended, and the Fund's
Class A shares are registered under the Securities Act of 1933, as amended.  You
have received a copy of the Class A shares Distribution Agreement (the
"Distribution Agreement") between ourself and the Trust and reference is made
herein to certain provisions of such Distribution Agreement.  The terms
"Prospectus" and "Statement of Additional Information" used herein refer to the
prospectus and statement of additional information, respectively, on file with
the Securities and Exchange Commission which is part of the most recent
effective registration statement pursuant to the Securities Act of 1933, as
amended.  We offer to sell to you, as a member of the Selected Dealers Group,
Class A shares of the Fund for resale to investors identified in the Prospectus
and Statement of Additional Information as eligible to purchase Class A shares
("eligible investors") upon the following terms and conditions:

     1.   In all sales of these Class A shares to eligible investors, you shall
act as dealer for your own account and in no transaction shall you have any
authority to act as agent for the Trust, for us or for any other member of the
Selected Dealers Group, except in connection with the Merrill Lynch Mutual Fund
Adviser program and such other special programs as we from time to time agree,
in which case you shall have authority to offer and sell shares, as agent for
the Trust, to participants in such program.
<PAGE>

     2.   Orders received from you will be accepted through us only at the
public offering price applicable to each order, as set forth in the current
Prospectus and Statement of Additional Information of the Fund.  The procedure
relating to the handling of orders shall be subject to Section 5 hereof and
instructions which we or the Trust shall forward from time to time to you.  All
orders are subject to acceptance or rejection by the Distributor or the Trust in
the sole discretion of either.  The minimum initial and subsequent purchase
requirements are as set forth in the current Prospectus and Statement of
Additional Information of the Fund.

     3.   The sales charges for sales to eligible investors, computed as
percentages of the public offering price and the amount invested, and the
related discount to Selected Dealers are as follows:

<TABLE>
<CAPTION>

                                                                 Discount to
                                               Sales Charge       Selected
                             Sales Charge     as Percentage*     Dealers as
                             as Percentage      of the Net       Percentage
                                of the            Amount           of the
Amount of Purchase          Offering Price       Invested      Offering Price
- ------------------          --------------    -------------    --------------
<S>                         <C>               <C>              <C>
Less than $25,000........
                                 4.00%             4.17%             3.75%
$25,000 but less
 than $50,000............        3.75%             3.90%             3.50%

$50,000 but less
 than $100,000...........        3.25%             3.36%             3.00%

$100,000 but less
 than $250,000...........        2.50%             2.56%             2.25%

$250,000 but less
 than $1,000,000.........        1.50%             1.52%             1.25%


$1,000,000 and over**....        0.00%             0.00%             0.00%


<FN>
___________________

*   Rounded to the nearest one-hundredth percent.
**  Initial sales charges may be waived for certain classes of offerees as set
forth in the current Prospectus and Statement of Additional Information of the
Fund.  Such purchase may be subject to a contingent deferred sales
</FN>


                                       A-2
<PAGE>

<FN>
charge as set forth in the current Prospectus and Statement of Additional
Information.
</TABLE>

          The term "purchase" refers to a single purchase by an individual, or
     to concurrent purchases, which in the aggregate are at least equal to the
     prescribed amounts, by an individual, his spouse and their children under
     the age of 21 years purchasing Class A shares for his or their own account
     and to single purchases by a trustee or other fiduciary purchasing Class A
     shares for a single trust estate or single fiduciary account although more
     than one beneficiary is involved.  The term "purchase" also includes
     purchases by any "company" as that term is defined in the Investment
     Company Act of 1940, as amended, but does not include purchases by any such
     company which has not been in existence for at least six months or which
     has no purpose other than the purchase of Class A shares of the Fund or
     Class A shares of other registered investment companies at a discount;
     provided, however, that it shall not include purchases by any group of
     individuals whose sole organizational nexus is that the participants
     therein are credit cardholders of a company, policyholders of an insurance
     company, customers of either a bank or broker-dealer or clients of an
     investment adviser.

          The reduced sales charges are applicable through a right of
     accumulation under which certain eligible investors are permitted to
     purchase Class A shares of the Fund at the offering price applicable to the
     total of (a) the public offering price of the shares then being purchased
     plus (b) an amount equal to the then current net asset value or cost,
     whichever is higher, of the purchaser's combined holdings of Class A, Class
     B, Class C and Class D shares of the Fund and of any other investment
     company with an initial sales charge for which the Distributor acts as the
     distributor.  For any such right of accumulation to be made available, the
     Distributor must be provided at the time of purchase, by the purchaser or
     you, with sufficient information to permit confirmation of qualification,
     and acceptance of the purchase order is subject to such confirmation.

          The reduced sales charges are applicable to purchases aggregating
     $25,000 or more of Class A shares or of Class D shares of any other
     investment company with an initial sales charge for which the Distributor
     acts as the distributor made through you within a thirteen-month period
     starting with the first purchase pursuant to a Letter of Intention in the
     form provided in the Prospectus.  A purchase not originally made pursuant
     to a Letter of Intention may be included under a subsequent letter executed
     within 90 days of such purchase if the Distributor is informed in writing
     of this intent within such 90-day period.  If the


                                       A-3
<PAGE>

     intended amount of shares is not purchased within the thirteen-month
     period, an appropriate price adjustment will be made pursuant to the terms
     of the Letter of Intention.

          You agree to advise us promptly at our request as to amounts of any
     sales made by you to eligible investors qualifying for reduced sales
     charges.  Further information as to the reduced sales charges pursuant to
     the right of accumulation or a Letter of Intention is set forth in the
     Prospectus and Statement of Additional Information.

          4.   You shall not place orders for any of the Class A shares unless
     you have already received purchase orders for such Class A shares at the
     applicable public offering prices and subject to the terms hereof and of
     the Distribution Agreement.  You agree that you will not offer or sell any
     of the Class A shares except under circumstances that will result in
     compliance with the applicable Federal and state securities laws and that
     in connection with sales and offers to sell Class A shares you will furnish
     to each person to whom any such sale or offer is made a copy of the
     Prospectus and, if requested, the Statement of Additional Information (as
     then amended or supplemented) and will not furnish to any person any
     information relating to the Class A shares of the Fund which is
     inconsistent in any respect with the information contained in the
     Prospectus and Statement of Additional Information  (as then amended or
     supplemented) or cause any advertisement to be published in any newspaper
     or posted in any public place without our consent and the consent of the
     Trust.

          5.   As a selected dealer, you are hereby authorized (i) to place
     orders directly with the Trust for Class A shares of the Fund to be resold
     by us to you subject to the applicable terms and conditions governing the
     placement of orders by us set forth in Section 3 of the Distribution
     Agreement and subject to the compensation provisions of Section 3 hereof
     and (ii) to tender Class A shares directly to the Trust or its agent for
     redemption subject to the applicable terms and conditions set forth in
     Section 4 of the Distribution Agreement.

          6.   You shall not withhold placing orders received from your
     customers so as to profit yourself as a result of such withholding:  E.G.,
     by a change in the "net asset value" from that used in determining the
     offering price to your customers.

          7.   If any Class A shares sold to you under the terms of this
     Agreement are repurchased by the Trust or by us for the account of the
     Trust or are tendered for redemption within seven


                                       A-4
<PAGE>

     business days after the date of the confirmation of the original purchase
     by you, it is agreed that you shall forfeit your right to, and refund to
     us, any discount received by you on such Class A shares.

          8.  No person is authorized to make any representations concerning
     Class A shares of the Fund except those contained in the current Prospectus
     and Statement of Additional Information of the Fund and in such printed
     information subsequently issued by us or the Trust as information
     supplemental to such Prospectus and Statement of Additional Information.
     In purchasing Class A shares through us you shall rely solely on the
     representations contained in the Prospectus and Statement of Additional
     Information and supplemental information above mentioned.  Any printed
     information which we furnish you other than the Fund's Prospectus,
     Statement of Additional Information, periodic reports and proxy
     solicitation material is our sole responsibility and not the responsibility
     of the Trust, and you agree that the Trust shall have no liability or
     responsibility to you in these respects unless expressly assumed in
     connection therewith.

          9.   You agree to deliver to each of the purchasers making purchases
     from you a copy of the then current Prospectus and, if requested, the
     Statement of Additional Information at or prior to the time of offering or
     sale and you agree thereafter to deliver to such purchasers copies of the
     annual and interim reports and proxy solicitation materials of the Fund.
     You further agree to endeavor to obtain proxies from such purchasers.
     Additional copies of the Prospectus and Statement of Additional
     Information, annual or interim reports and proxy solicitation materials of
     the Fund will be supplied to you in reasonable quantities upon request.

          10.  We reserve the right in our discretion, without notice, to
     suspend sales or withdraw the offering of Class A shares entirely or to
     certain persons or entities in a class or classes specified by us.  Each
     party hereto has the right to cancel this agreement upon notice to the
     other party.

          11.  We shall have full authority to take such action as we may deem
     advisable in respect of all matters pertaining to the continuous offering.
     We shall be under no liability to you except for lack of good faith and for
     obligations expressly assumed by us herein.  Nothing contained in this
     paragraph is intended to operate as, and the provisions of this paragraph
     shall not in any way whatsoever constitute, a waiver by you of compliance
     with any provision of the Securities Act of 1933, as


                                       A-5
<PAGE>

     amended, or of the rules and regulations of the Securities and Exchange
     Commission issued thereunder.

          12.  You represent that you are a member of the National Association
     of Securities Dealers, Inc. and, with respect to any sales in the United
     States, we both hereby agree to abide by the Rules of Fair Practice of such
     Association.

          13.  Upon application to us, we will inform you as to the states in
     which we believe the Class A shares have been qualified for sale under, or
     are exempt from the requirements of, the respective securities laws of such
     states, but we assume no responsibility or obligation as to your right to
     sell Class A shares in any jurisdiction.  We will file with the Department
     of State in New York a Further State Notice with respect to the Class A
     shares, if necessary.

          14.  All communications to us should be sent to the address below.
     Any notice to you shall be duly given if mailed or telegraphed to you at
     the address specified by you below.

          15.  Your first order placed pursuant to this Agreement for the
     purchase of Class A shares of the Fund will represent your acceptance of
     this Agreement.

                                   MERRILL LYNCH TRUSTS DISTRIBUTOR, INC.


                                   By
                                     --------------------------------------
                                        (Authorized Signature)


                                       A-6
<PAGE>


Please return one signed copy
     of this agreement to:

     MERRILL LYNCH TRUSTS DISTRIBUTOR, INC.
     Box 9011
     Princeton, New Jersey 08543-9011

     Accepted:

          Firm Name: Merrill Lynch, Pierce, Fenner & Smith Inc.
                    --------------------------------------------------
          By:
             ---------------------------------------------------------
          Address:  800 Scudders Mill Road
                  ----------------------------------------------------
                    Plainsboro, New Jersey 08536
          ------------------------------------------------------------
          Date:            , 1994
               -------------------------------------------------------


                                       A-7



<PAGE>


                                 CLASS C SHARES

                             DISTRIBUTION AGREEMENT


     AGREEMENT made as of the ______ day of October, 1994, between MERRILL LYNCH
MULTI-STATE MUNICIPAL SERIES TRUST, a Massachusetts business trust (the
"Trust"), and MERRILL LYNCH FUNDS DISTRIBUTOR, INC., a Delaware corporation (the
"Distributor").


                              W I T N E S S E T H :


     WHEREAS, the Trust is registered under the Investment Company Act of 1940,
as amended (the "Investment Company Act"), as an open-end investment company,
and it is affirmatively in the interest of the Trust to offer its shares for
sale continuously; and

     WHEREAS, the Trustees of the Trust (the "Trustees") are authorized to
establish separate series (the "Series") relating to separate portfolios of
securities, each of which will offer separate classes of shares of beneficial
interest, par value $0.10 per share (collectively referred to as "shares") to
selected groups of purchasers; and

     WHEREAS, the Trustees have established and designated the Merrill Lynch
[State] Municipal Bond Fund (the "Fund") as a series of the Trust; and

<PAGE>

     WHEREAS, the Distributor is a securities firm engaged in the business of
selling shares of investment companies either directly to purchasers or through
other securities dealers; and

     WHEREAS, the Trust and the Distributor wish to enter into an agreement with
each other with respect to the continuous offering of the Fund's Class C shares
in order to promote the growth of the Fund and facilitate the distribution of
its Class C shares.

     NOW, THEREFORE, the parties agree as follows:

     Section 1.  APPOINTMENT OF THE DISTRIBUTOR.  The Trust hereby appoints the
Distributor as the principal underwriter and distributor of the Trust to sell
Class C shares of beneficial interest in the Fund (sometimes herein referred to
as "Class C shares") to the public and hereby agrees during the term of this
Agreement to sell shares of the Fund to the Distributor upon the terms and
conditions herein set forth.

     Section 2.  EXCLUSIVE NATURE OF DUTIES.  The Distributor shall be the
exclusive representative of the Trust to act as principal underwriter and
distributor of the Class C shares of the Fund, except that:

     (a)  The Trust may, upon written notice to the Distributor, from time to
time designate other principal underwriters and distributors of Class C shares
with respect to areas other than the United States as to which the Distributor
may have expressly waived in writing its right to act as such.  If such
designation is deemed exclusive, the right of the Distributor under this


                                        2
<PAGE>

Agreement to sell Class C shares in the areas so designated shall terminate, but
this Agreement shall remain otherwise in full effect until terminated in
accordance with the other provisions hereof.

     (b)  The exclusive right granted to the Distributor to purchase Class C
shares from the Trust shall not apply to Class C shares of the Fund issued in
connection with the merger or consolidation of any other investment company or
personal holding company with the Trust or the acquisition by purchase or
otherwise of all (or substantially all) the assets or the outstanding Class C
shares of any such company by the Trust.

     (c)  Such exclusive right also shall not apply to Class C shares issued
pursuant to reinvestment of dividends or capital gains distributions.

     (d)  Such exclusive right also shall not apply to Class C shares issued
pursuant to any conversion, exchange or reinstatement privilege afforded
redeeming shareholders or to any other Class C shares as shall be agreed between
the Trust and the Distributor from time to time.

     Section 3. PURCHASE OF CLASS C SHARES FROM THE TRUST.

     (a)  The Distributor shall have the right to buy from the Trust the Class C
shares needed, but not more than the Class C shares needed (except for clerical
errors in transmission) to fill unconditional orders for Class C shares of the
Fund placed with the Distributor by eligible investors or securities dealers.


                                        3
<PAGE>

Investors eligible to purchase Class C shares shall be those persons so
identified in the currently effective prospectus and statement of additional
information of the Fund (the "prospectus" and "statement of additional
information", respectively) under the Securities Act of 1933, as amended (the
"Securities Act"), relating to such Class C shares. The price which the Distri-
butor shall pay for the Class C shares so purchased from the Trust shall be the
net asset value, determined as set forth in Section 3(c) hereof.

     (b)  The Class C shares are to be resold by the Distributor to investors at
net asset value, as set forth in Section 3(c) hereof, or to securities dealers
having agreements with the Distributor upon the terms and conditions set forth
in Section 7 hereof.

     (c)  The net asset value of Class C shares of the Fund shall be determined
by the Trust or any agent of the Trust in accordance with the method set forth
in the prospectus and statement of additional information and guidelines
established by the Board of Trustees.

     (d)  The Trust shall have the right to suspend the sale of its Class C
shares at times when redemption is suspended pursuant to the conditions set
forth in Section 4(b) hereof.  The Trust shall also have the right to suspend
the sale of its Class C shares if trading on the New York Stock Exchange shall
have been suspended, if a banking moratorium shall have been declared by


                                        4
<PAGE>

Federal or New York authorities, or if there shall have been some other event,
which, in the judgment of the Trust, makes it impracticable or inadvisable to
sell the Class C shares.

     (e)  The Trust, or any agent of the Trust designated in writing by the
Trust, shall be promptly advised of all purchase orders for Class C shares
received by the Distributor.  Any order may be rejected by the Trust; provided,
however, that the Trust will not arbitrarily or without reasonable cause refuse
to accept or confirm orders for the purchase of Class C shares.  The Trust (or
its agent) will confirm orders upon their receipt, will make appropriate book
entries and, upon receipt by the Trust (or its agent) of payment therefor, will
deliver deposit receipts or certificates for such Class C shares pursuant to the
instructions of the Distributor.  Payment shall be made to the Trust in New York
Clearing House funds.  The Distributor agrees to cause such payment and such
instructions to be delivered promptly to the Trust (or its agent).

     Section 4.  REPURCHASE OR REDEMPTION OF CLASS C SHARES BY THE TRUST.

     (a)  Any of the outstanding Class C shares may be tendered for redemption
at any time, and the Trust agrees to repurchase or redeem the Class C shares so
tendered in accordance with its obligations as set forth in Article VIII of its
Declaration of Trust, as amended from time to time, and in accordance with the
applicable provisions set forth in the prospectus and statement


                                        5
<PAGE>

of additional information of the Fund.  The price to be paid to redeem or
repurchase the Class C shares shall be equal to the net asset value calculated
in accordance with the provisions of Section 3(c) hereof, less any contingent
deferred sales charge ("CDSC"), redemption fee or other charge(s), if any, set
forth in the prospectus and statement of additional information of the Fund.
All payments by the Trust hereunder shall be made in the manner set forth below.

     The Trust shall pay the total amount of the redemption price as defined in
the above paragraph pursuant to the instructions of the Distributor on or before
the seventh business day subsequent to its having received the notice of
redemption in proper form.  The proceeds of any redemption of shares shall be
paid by the Trust as follows:  (i) any applicable CDSC shall be paid to the
Distributor, and (ii) the balance shall be paid to or for the account of the
shareholder, in each case in accordance with the applicable provisions of the
prospectus and statement of additional information.

     (b)  Redemption of Class C shares or payment may be suspended at times when
the New York Stock Exchange is closed, when trading on said Exchange is
suspended, when trading on said Exchange is restricted, when an emergency exists
as a result of which disposal by the Trust of securities owned by it is not
reasonably practicable or it is not reasonably practicable for the Trust fairly
to determine the value of the net assets of the


                                        6
<PAGE>

Fund, or during any other period when the Securities and Exchange Commission, by
order, so permits.

     Section 5.  DUTIES OF THE TRUST.

     (a)  The Trust shall furnish to the Distributor copies of all information,
financial statements and other papers which the Distributor may reasonably
request for use in connection with the  distribution of Class C shares of the
Fund, and this shall include, upon request by the Distributor, one certified
copy of all financial statements prepared for the Trust by independent public
accountants.  The Trust shall make available to the Distributor such number of
copies of the prospectus and statement of additional information relating to the
Fund as the Distributor shall reasonably request.

     (b)  The Trust shall take, from time to time, but subject to any necessary
approval of the shareholders, all necessary action to fix the number of
authorized shares and such steps as may be necessary to register the same under
the Securities Act to the end that there will be available for sale such number
of Class C shares as the Distributor reasonably may be expected to sell.

     (c)  The Trust shall use its best efforts to qualify and maintain the
qualification of an appropriate number of its Class C shares for sale under the
securities laws of such states as the Distributor and the Trust may approve.
Any such qualification may be withheld, terminated or withdrawn by the Trust at
any time in its discretion.  As provided in Section 8(c) hereof, the


                                        7
<PAGE>

expense of qualification and maintenance of qualification shall be borne by the
Trust.  The Distributor shall furnish such information and other material
relating to its affairs and activities as may be required by the Trust in
connection with such qualification.

     (d)  The Trust will furnish, in reasonable quantities upon request by the
Distributor, copies of annual and interim reports of the Fund.

     Section 6.  DUTIES OF THE DISTRIBUTOR.

     (a)  The Distributor shall devote reasonable time and effort to effect
sales of Class C shares of the Fund but shall not be obligated to sell any
specific number of shares.  The services of the Distributor to the Trust
hereunder are not to be deemed exclusive and nothing herein contained shall
prevent the Distributor from entering into like arrangements with other in-
vestment companies so long as the performance of its obligations hereunder is
not impaired thereby.

     (b)  In selling the Class C shares of the Fund, the Distributor shall use
its best efforts in all respects duly to conform with the requirements of all
Federal and state laws relating to the sale of such securities.  Neither the
Distributor nor any selected dealer, as defined in Section 7 hereof, nor any
other person is authorized by the Trust to give any information or to make any
representations, other than those contained in the registration statement or
related prospectus and statement of


                                        8
<PAGE>

additional information and any sales literature specifically approved by the
Trust.

     (c)  The Distributor shall adopt and follow procedures, as approved by the
officers of the Trust, for the confirmation of sales to investors and selected
dealers, the collection of amounts payable by investors and selected dealers on
such sales, and the cancellation of unsettled transactions, as may be necessary
to comply with the requirements of the National Association  of Securities
Dealers, Inc. (the "NASD"), as such requirements may from time to time exist.

     Section 7.  SELECTED DEALER AGREEMENTS.

     (a)  The Distributor shall have the right to enter into selected dealer
agreements with securities dealers of its choice ("selected dealers") for the
sale of Class C shares; provided, that the Trust shall approve the forms of
agreements with dealers.  Class C shares sold to selected dealers shall be for
resale by such dealers only at net asset value determined as set forth in
Section 3(c) hereof.  The form of agreement with selected dealers to be used
during the continuous offering of the shares is attached hereto as Exhibit A.

     (b)  Within the United States, the Distributor shall offer and sell Class C
shares only to such selected dealers that are members in good standing of the
NASD.

     Section 8.  PAYMENT OF EXPENSES.


                                        9
<PAGE>

     (a)  The Trust shall bear all costs and expenses of the Fund, including
fees and disbursements of its counsel and auditors, in connection with the
preparation and filing of any required registration statements and/or
prospectuses and statements of additional information under the Investment
Company Act, the Securities Act, and all amendments and supplements thereto, and
preparing and mailing annual and interim reports and proxy materials to Class C
shareholders (including but not limited to the expense of setting in type any
such registration statements, prospectuses, statements of additional
information, annual or interim reports or proxy materials).

     (b)  The Distributor shall be responsible for any payments made to selected
dealers as reimbursement for their expenses associated with payments of sales
commissions to financial consultants.  In addition, after the prospectuses,
statements of additional information and annual and interim reports have been
prepared and set in type, the Distributor shall bear the costs and expenses of
printing and distributing any copies thereof which are to be used in connection
with the offering of Class C shares to selected dealers or investors pursuant to
this Agreement.  The Distributor shall bear the costs and expenses of preparing,
printing and distributing any other literature used by the Distributor or
furnished by it for use by selected dealers in connection with the offering of
the Class C shares for sale to the public and any expenses of advertising
incurred by the Dis-


                                       10
<PAGE>

tributor in connection with such offering.  It is understood and agreed that so
long as the Fund's Class C Shares Distribution Plan pursuant to Rule 12b-1 under
the Investment Company Act remains in effect, any expenses incurred by the
Distributor hereunder may be paid from amounts recovered by it from the Fund
under such Plan.

     (c)  The Trust shall bear the cost and expenses of qualification of the
Class C shares for sale pursuant to this Agreement and, if necessary or
advisable in connection therewith, of qualifying the Trust as a broker or dealer
in such states of the United States or other jurisdictions as shall be selected
by the Trust and the Distributor pursuant to Section 5(c) hereof and the cost
and expenses payable to each such state for continuing qualification therein
until the Trust decides to discontinue such qualification pursuant to Section
5(c) hereof.

     Section 9.  INDEMNIFICATION.

     (a)  The Trust shall indemnify and hold harmless the Distributor and each
person, if any, who controls the Distributor against any loss, liability, claim,
damage or expense (including the reasonable cost of investigating or defending
any alleged loss, liability, claim, damage or expense and reasonable counsel
fees incurred in connection therewith), as incurred, arising by reason of any
person acquiring any Class C shares, which may be based upon the Securities Act,
or on any other statute or at common law, on the ground that the registration
statement or



                                       11
<PAGE>

related prospectus and statement of additional information relating to the Fund,
as from time to time amended and supplemented, or an annual or interim report to
Class C shareholders of the Fund, includes an untrue statement of a material
fact or omits to state a material fact required to be stated therein or
necessary in order to make the statements therein not misleading, unless such
statement or  omission was made in reliance upon, and in conformity with, in-
formation furnished to the Trust in connection therewith by or on behalf of the
Distributor; provided, however, that in no case (i) is the indemnity of the
Trust in favor of the Distributor and any such controlling persons to be deemed
to protect such Distributor or any such controlling persons thereof against any
liability to the Trust or its security holders to which the Distributor or any
such controlling persons would otherwise be subject by reason of willful
misfeasance, bad faith or gross negligence in the performance of their duties or
by reason of the reckless disregard of their obligations and duties under this
Agreement; or (ii) is the Trust to be liable under its indemnity agreement
contained in this paragraph with respect to any claim made against the Distri-
butor or any such controlling persons, unless the Distributor or such
controlling persons, as the case may be, shall have notified the Trust in
writing within a reasonable time after the summons or other first legal process
giving information of the nature of the claim shall have been served upon the


                                       12
<PAGE>

Distributor or such controlling persons (or after the Distributor or such
controlling persons shall have received notice of such service on any designated
agent), but failure to notify the Trust of any such claim shall not relieve it
from any liability which it may have to the person against whom such action is
brought otherwise than on account of its indemnity agreement contained in this
paragraph.  The Trust will be entitled to participate at its own expense in the
defense or, if it so elects, to assume the defense of any suit brought to
enforce any such liability, but if the Trust elects to assume the defense, such
defense shall be conducted by counsel chosen by it and satisfactory to the
Distributor or such controlling person or persons, defendant or defendants in
the suit.  In the event the Trust elects to assume the defense of any such suit
and retain such counsel, the Distributor or such controlling person or persons,
defendant or defendants in the suit shall bear the fees and expenses, as
incurred, of any additional counsel retained by them, but in case the Trust does
not elect to assume the defense of any such suit, it will reimburse the Dis-
tributor or such controlling person or persons, defendant or defendants in the
suit, for the reasonable fees and expenses, as incurred, of any counsel retained
by them.  The Trust shall promptly notify the Distributor of the commencement of
any litigation or proceedings against it or any of its officers or Trustees in
connection with the issuance or sale of any of the Class C shares.


                                       13
<PAGE>

     (b)  The Distributor shall indemnify and hold harmless the Trust and each
of its Trustees and officers and each person, if any, who controls the Trust
against any loss, liability, claim, damage or expense, as incurred, described in
the foregoing indemnity contained in subsection (a) of this Section, but only
with respect to statements or omissions made in reliance upon, and in conformity
with, information furnished to the Trust in writing by or on behalf of the
Distributor for use in connection with the registration statement or related
prospectus and statement of additional information, as from time to time
amended, or the annual or interim reports to shareholders.  In case any action
shall be brought against the Trust or any person so indemnified, in respect of
which indemnity may be sought against the Distributor, the Distributor shall
have the rights and duties given to the Trust, and the Trust and each person so
indemnified shall have the rights and duties given to the Distributor by the
provisions of subsection (a) of this Section 9.

     Section 10.  MERRILL LYNCH MUTUAL FUND ADVISER PROGRAM.  In connection with
the Merrill Lynch Mutual Fund Adviser Program, the Distributor and its
affiliate, Merrill Lynch, Pierce, Fenner & Smith Incorporated, are authorized to
offer and sell shares of the Fund, as agent for the Fund, to participants in
such program.  The terms of this Agreement shall apply to such sales, including
terms as to the offering price of shares, the proceeds to be paid to the Fund,
the duties of the Distributor, the payment of


                                       14
<PAGE>

expenses and indemnification obligations of the Fund and the Distributor.

     Section 11.  DURATION AND TERMINATION OF THIS AGREEMENT.  This Agreement
shall become effective as of the date first above written and shall remain in
force until October __, 1996 and thereafter, but only for so long as such
continuance is specifically approved at least annually by (i) the Trustees or by
the vote of a majority of the outstanding Class C voting securities of the Fund
and (ii) by the vote of a majority of those Trustees who are not parties to this
Agreement or interested persons of any such party cast in person at a meeting
called for the purpose of voting on such approval.

     This Agreement may be terminated at any time, without the payment of any
penalty, by the Trustees or by vote of a majority of the outstanding Class C
voting securities of the Fund, or by the Distributor, on sixty days' written
notice to the other party.  This Agreement shall automatically terminate in the
event of its assignment.

     The terms "vote of a majority of the outstanding voting securities",
"assignment", "affiliated person" and "interested person", when used in this
Agreement, shall have the respective meanings specified in the Investment
Company Act.

     Section 12.  AMENDMENTS OF THIS AGREEMENT.  This Agreement may be amended
by the parties only if such amendment is specifically approved by (i) the
Trustees or by the vote of a majority


                                       15
<PAGE>

of outstanding Class C voting securities of the Fund and (ii) by the vote of a
majority of those Trustees of the Trust who are not parties to this Agreement or
interested persons of any such party cast in person at a meeting called for the
purpose of voting on such approval.

     Section 13.  GOVERNING LAW.  The provisions of this Agreement shall be
construed and interpreted in accordance with the laws of the State of New York
as at the time in effect and the applicable provisions of the Investment Company
Act.  To the extent that the applicable law of the State of New York, or any of
the provisions herein, conflict with the applicable provisions of the Investment
Company Act, the latter shall control.

     Section 14.  PERSONAL LIABILITY.  The Declaration of Trust establishing
Merrill Lynch Multi-State Municipal Series Trust, dated August 2, 1985, a copy
of which, together with all amendments thereto (the "Declaration"), is on file
in the office of the Secretary of the Commonwealth of Massachusetts, provides
that the name "Merrill Lynch Multi-State Municipal Series Trust" refers to the
Trustees under the Declaration collectively as trustees, but not as individuals
or personally; and no Trustee, shareholder, officer, employee or agent of said
Trust shall be held to any personal liability, nor shall resort be had to their
private property for the satisfaction of any obligation or claim or otherwise in
connection with the affairs of said Trust, but the "Trust Property" only shall
be liable.


                                       16
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

                         MERRILL LYNCH MULTI-STATE MUNICIPAL
                              SERIES TRUST


                         By
                            ------------------------------------
                              Title:



                         MERRILL LYNCH FUNDS DISTRIBUTOR, INC.


                         By
                            ------------------------------------
                              Title:


                                       17
<PAGE>

                                                                       EXHIBIT A


                    MERRILL LYNCH [STATE] MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                      CLASS C SHARES OF BENEFICIAL INTEREST

                            SELECTED DEALER AGREEMENT

Gentlemen:

     Merrill Lynch Funds Distributor, Inc. (the "Distributor") has an agreement
with Merrill Lynch Multi-State Municipal Series Trust, a Massachusetts business
trust (the "Trust"), pursuant to which it acts as the distributor for the sale
of Class C shares of beneficial interest, par value $0.10 per share (herein
referred to as the "Class C shares"), of the Trust relating to Merrill Lynch
[State] Municipal Bond Fund (the "Fund") and as such has the right to distribute
Class C shares of the Fund for resale.  The Trust is an open-end investment
company registered under the Investment Company Act of 1940, as amended, and the
Fund's Class C shares being offered to the public are registered under the
Securities Act of 1933, as amended.  You have received a copy of the Class C
Shares Distribution Agreement (the "Distribution Agreement") between ourself and
the Trust and reference is made herein to certain provisions of such
Distribution Agreement.  The terms "Prospectus" and "Statement of Additional
Information" as used herein refer to the prospectus and statement of additional
information, respectively, on file with the Securities and Exchange Commission
which is part of the most recent effective registration statement pursuant to
the Securities Act of 1933, as amended.  We offer to sell to you, as a member of
the Selected Dealers Group, Class C shares of the Fund upon the following terms
and conditions:

     1.  In all sales of these Class C shares to the public, you shall act as
dealer for your own account and in no transaction shall you have any authority
to act as agent for the Trust, for us or for any other member of the Selected
Dealers Group, except in connection with the Merrill Lynch Mutual Fund Adviser
program and such other special programs as we from time to time agree, in which
case you shall have authority to offer and sell shares, as agent for the Trust,
to participants in such program.

     2.  Orders received from you will be accepted through us only at the public
offering price applicable to each order, as set forth in the current Prospectus
and Statement of Additional Information of the Fund.  The procedure relating to
the handling of orders shall be subject to Section 4 hereof and instructions

<PAGE>

which we or the Trust shall forward from time to time to you.  All orders are
subject to acceptance or rejection by the Distributor or the Trust in the sole
discretion of either.  The minimum initial and subsequent purchase requirements
are as set forth in the current Prospectus and Statement of Additional
Information of the Fund.

     3.  You shall not place orders for any of the Class C shares unless you
have already received purchase orders for such Class C shares at the applicable
public offering prices and subject to the terms hereof and of the Distribution
Agreement.  You agree that you will not offer or sell any of the Class C shares
except under circumstances that will result in compliance with the applicable
Federal and state securities laws and that in connection with sales and offers
to sell Class C shares you will furnish to each person to whom any such sale or
offer is made a copy of the Prospectus and, if requested, the Statement of Addi-
tional Information (as then amended or supplemented) and will not furnish to any
person any information relating to the Class C shares of the Fund which is
inconsistent in any respect with the information contained in the Prospectus and
Statement of Additional Information (as then amended or supplemented) or cause
any advertisement to be published in any newspaper or posted in any public place
without our consent and the consent of the Trust.

     4.  As a selected dealer, you are hereby authorized (i) to place orders
directly with the Trust for Class C shares of the Fund to be resold by us to you
subject to the applicable terms and conditions governing the placement of orders
by us set forth in Section 3 of the Distribution Agreement and (ii) to tender
Class C shares directly to the Trust or its agent for redemption subject to the
applicable terms and conditions set forth in Section 4 of the Distribution
Agreement.

     5.  You shall not withhold placing orders received from your customers so
as to profit yourself as a result of such withholding:  E.G., by a change in the
"net asset value" from that used in determining the offering price to your
customers.

     6.  No person is authorized to make any representations concerning Class C
shares of the Fund except those contained in the current Prospectus and
Statement of Additional Information of the Fund and in such printed information
subsequently issued by us or the Trust as information supplemental to such
Prospectus and Statement of Additional Information.  In purchasing Class C
shares through us you shall rely solely on the representations contained in the
Prospectus and Statement of Additional Information and supplemental information
above mentioned.  Any printed information which we furnish you other than the
Fund's Prospectus, Statement of Additional Information, periodic reports and


                                       A-2
<PAGE>

proxy solicitation material is our sole responsibility and not the
responsibility of the Trust, and you agree that the Trust shall have no
liability or responsibility to you in these respects unless expressly assumed in
connection therewith.

    7.  You agree to deliver to each of the purchasers making purchases from you
a copy of the then current Prospectus and, if requested, the Statement of
Additional Information at or prior to the time of offering or sale and you agree
thereafter to deliver to such purchasers copies of the annual and interim
reports and proxy solicitation materials of the Fund.  You further agree to
endeavor to obtain proxies from such purchasers.  Additional copies of the
Prospectus and Statement of Additional Information, annual or interim reports
and proxy solicitation materials of the Fund will be supplied to you in
reasonable quantities upon request.

    8.  We reserve the right in our discretion, without notice, to suspend sales
or withdraw the offering of Class C shares entirely or to certain persons or
entities in a class or classes specified by us.  Each party hereto has the right
to cancel this Agreement upon notice to the other party.

    9.  We shall have full authority to take such action as we may deem
advisable in respect of all matters pertaining to the continuous offering.  We
shall be under no liability to you except for lack of good faith and for
obligations expressly assumed by us herein.  Nothing contained in this paragraph
is intended to operate as, and the provisions of this paragraph shall not in any
way whatsoever constitute, a waiver by you of compliance with any provision of
the Securities Act of 1933, as amended, or of the rules and regulations of the
Securities and Exchange Commission issued thereunder.

    10.  You represent that you are a member of the National Association of
Securities Dealers, Inc. and, with respect to any sales in the United States, we
both hereby agree to abide by the Rules of Fair Practice of such Association.

    11.  Upon application to us, we will inform you as to the states in which we
believe the Class C shares have been qualified for sale under, or are exempt
from the requirements of, the respective securities laws of such states, but we
assume no responsibility or obligation as to your right to sell Class C shares
in any jurisdiction.  We will file with the Department of State in New York a
Further State Notice with respect to the Class C shares, if necessary.


                                       A-3
<PAGE>

    12.  All communications to us should be sent to the address below.  Any
notice to you shall be duly given if mailed or telegraphed to you at the address
specified by you below.

    13.  Your first order placed pursuant to this Agreement for the purchase of
Class C shares of the Fund will represent your acceptance of this Agreement.

                    MERRILL LYNCH FUNDS DISTRIBUTOR, INC.


                    By
                       ----------------------------------
                            (Authorized Signature)

Please return one signed copy
  of this Agreement to:

     MERRILL LYNCH FUNDS DISTRIBUTOR, INC.
     Box 9011
     Princeton, New Jersey  08543-9011

     Accepted:

          Firm Name: Merrill Lynch, Pierce, Fenner & Smith Inc.
                     --------------------------------------------

          By:
              ---------------------------------------------------

          Address: 800 Scudders Mill Road
                   ----------------------------------------------

                   Plainsboro, New Jersey 08536
          -------------------------------------------------------

          Date:            , 1994
                -------------------------------------------------


                                       A-4

<PAGE>


                                 CLASS D SHARES

                             DISTRIBUTION AGREEMENT


     AGREEMENT made as of the ____ day of October, 1994, between MERRILL LYNCH
MULTI-STATE MUNICIPAL SERIES TRUST, a Massachusetts business trust (the
"Trust"), and MERRILL LYNCH FUNDS DISTRIBUTOR, INC., a Delaware corporation (the
"Distributor").

                              W I T N E S S E T H :

     WHEREAS, the Trust is registered under the Investment Company Act of 1940,
as amended (the "Investment Company Act"), as an open-end investment company,
and it is affirmatively in the interest of the Trust to offer its shares for
sale continuously;
and
     WHEREAS, the Trustees of the Trust (the "Trustees") are authorized to
establish separate series (the "Series") relating to separate portfolios of
securities, each of which will offer separate classes of shares of beneficial
interest, par value $0.10 per share (collectively referred to as "shares") to
selected groups of purchasers; and

     WHEREAS, the Trustees have established and designated the Merrill Lynch
[State] Municipal Bond Fund (the "Fund") as a series of the Trust; and

     WHEREAS, the Distributor is a securities firm engaged in the business of
selling shares of investment companies either directly to purchasers or through
other securities dealers; and

<PAGE>

     WHEREAS, the Trust and the Distributor wish to enter into an agreement with
each other with respect to the continuous offering of the Class D shares of
beneficial interest in the Fund.

     NOW, THEREFORE, the parties agree as follows:

     Section 1.  APPOINTMENT OF THE DISTRIBUTOR.  The Trust hereby appoints the
Distributor as the principal underwriter and distributor of the Trust to sell
Class D shares of beneficial interest in the Fund (sometimes herein referred to
as "Class D shares") to the public and hereby agrees during the term of this
Agreement to sell Class D shares of the Fund to the Distributor upon the terms
and conditions herein set forth.

     Section 2.  EXCLUSIVE NATURE OF DUTIES.  The Distributor shall be the
exclusive representative of the Trust to act as principal underwriter and
distributor of the Class D shares of the Fund, except that:

     (a)  The Trust may, upon written notice to the Distributor, from time to
time designate other principal underwriters and distributors of Class D shares
with respect to areas other than the United States as to which the Distributor
may have expressly waived in writing its right to act as such.  If such
designation is deemed exclusive, the right of the Distributor under this
Agreement to sell Class D shares in the areas so designated shall terminate, but
this Agreement shall remain otherwise in full effect until terminated in
accordance with the other provisions hereof.


                                        2
<PAGE>

     (b)  The exclusive right granted to the Distributor to purchase Class D
shares from the Trust shall not apply to Class D shares issued in connection
with the merger or consolidation of any other investment company or personal
holding company with the Trust or the acquisition by purchase or otherwise of
all (or substantially all) the assets or the outstanding Class D shares of any
such company by the Trust.

     (c)  Such exclusive right also shall not apply to Class D shares issued
pursuant to reinvestment of dividends or capital gains distributions.

     (d)  Such exclusive right also shall not apply to Class D shares issued
pursuant to any conversion, exchange or reinstatement privilege afforded
redeeming shareholders or to any other Class D shares as shall be agreed between
the Trust and the Distributor from time to time.

     Section 3.  PURCHASE OF CLASS D SHARES FROM THE TRUST.

     (a)  The Distributor shall have the right to buy from the Trust the Class D
shares needed, but not more than the Class D shares needed (except for clerical
errors in transmission) to fill unconditional orders for Class D shares of the
Fund placed with the Distributor by eligible investors or securities dealers.
Investors eligible to purchase Class D shares shall be those persons so
identified in the currently effective prospectus and statement of additional
information of the Fund (the "prospectus" and "statement of additional
information", respectively) under the Securities Act of 1933, as amended (the
"Securities Act"),


                                        3
<PAGE>

relating to such Class D shares.  The price which the Distributor shall pay for
the Class D shares so purchased from the Trust shall be the net asset value,
determined as set forth in Section 3(d) hereof, used in determining the public
offering price on which such orders were based.

     (b)  The Class D shares are to be resold by the Distributor to investors at
the public offering price, as set forth in Section 3(c) hereof, or to securities
dealers having agreements  with the Distributor upon the terms and conditions
set forth in Section 7 hereof.

     (c)  The public offering price(s) of the Class D shares, I.E., the price
per share at which the Distributor or selected dealers may sell Class D shares
to the public, shall be the public offering price as set forth in the prospectus
and statement of additional information relating to such Class D shares, but not
to exceed the net asset value at which the Distributor is to purchase the Class
D shares, plus a sales charge not to exceed 4.00% of the public offering price
(4.17% of the net amount invested), subject to reductions for volume purchases.
Class D shares may be sold to certain Trustees, officers and employees of the
Trust, directors and employees of Merrill Lynch & Co., Inc. and its
subsidiaries, and to certain other persons described in the prospectus and
statement of additional information, without a sales charge or at a reduced
sales charge, upon terms and conditions set forth in the prospectus and
statement of additional information.  If the


                                        4
<PAGE>

public offering price does not equal an even cent, the public offering price may
be adjusted to the nearest cent.  All payments to the Trust hereunder shall be
made in the manner set forth in Section 3(f).

     (d)  The net asset value of Class D shares shall be determined by the Trust
or any agent of the Trust in accordance with the method set forth in the
prospectus and statement of additional information of the Fund and guidelines
established by the Trustees.

     (e)  The Trust shall have the right to suspend the sale of its Class D
shares at times when redemption is suspended pursuant to the conditions set
forth in Section 4(b) hereof.  The Trust shall also have the right to suspend
the sale of its Class D shares if trading on the New York Stock Exchange shall
have been suspended, if a banking moratorium shall have been declared by Federal
or New York authorities, or if there shall have been some other event, which, in
the judgment of the Trust, makes it impracticable or inadvisable to sell the
Class D shares.

     (f)  The Trust, or any agent of the Trust designated in writing by the
Trust, shall be promptly advised of all purchase orders for Class D shares
received by the Distributor.  Any order may be rejected by the Trust; provided,
however, that the Trust will not arbitrarily or without reasonable cause refuse
to accept or confirm orders for the purchase of Class D shares.  The Trust (or
its agent) will confirm orders upon their receipt, will make appropriate book
entries and, upon receipt by the Trust (or its


                                        5
<PAGE>

agent) of payment therefor, will deliver deposit receipts or certificates for
such Class D shares pursuant to the instructions of the Distributor.  Payment
shall be made to the Trust in New York Clearing House funds.  The Distributor
agrees to cause such payment and such instructions to be delivered promptly to
the Trust (or its agent).

     Section 4.  REPURCHASE OR REDEMPTION OF CLASS D SHARES BY THE TRUST.

     (a)  Any of the outstanding Class D shares may be tendered for redemption
at any time, and the Trust agrees to repurchase or redeem the Class D shares so
tendered in accordance with its obligations as set forth in Article VIII of its
Declaration of Trust, as amended from time to time, and in accordance with the
applicable provisions set forth in the prospectus and statement of additional
information.  The price to be paid to redeem or repurchase the Class D shares
shall be equal to the net asset value calculated in accordance with the
provisions of Section 3(d) hereof, less any contingent deferred sales charge
("CDSC"), redemption fee or other charge(s), if any, set forth in the prospectus
and statement of additional information of the Fund.  All payments by the Trust
hereunder shall be made in the manner set forth below.  The redemption or
repurchase by the Trust of any of the Class D shares purchased by or through the
Distributor will not affect the sales charge secured by the Distributor or any
selected dealer in the course of the original sale, except that if any Class D
shares are tendered for redemption or repur-


                                        6
<PAGE>

chase within seven business days after the date of the confirmation of the
original purchase, the right to the sales charge shall be forfeited by the
Distributor and the selected dealer which sold such Class D shares.

     The Trust shall pay the total amount of the redemption price as defined in
the above paragraph pursuant to the instructions of the Distributor in New York
Clearing House funds on or before the seventh business day subsequent to its
having received the notice of redemption in proper form.  The proceeds of any
redemption of shares shall be paid by the Trust as follows:  (i) any applicable
CDSC shall be paid to the Distributor, and (ii) the balance shall be paid to or
for the account of the shareholder, in each case in accordance with the
applicable provisions of the prospectus and statement of additional information.

     (b)  Redemption of Class D shares or payment may be suspended at times when
the New York Stock Exchange is closed, when trading on said Exchange is
suspended, when trading on said Exchange is restricted, when an emergency exists
as a result of which disposal by the Trust of securities owned by it is not
reasonably practicable or it is not reasonably practicable for the Trust fairly
to determine the value of the net assets of the Fund, or during any other period
when the Securities and Exchange Commission, by order, so permits.

     Section 5.  DUTIES OF THE TRUST.

     (a)  The Trust shall furnish to the Distributor copies of all information,
financial statements and other papers which the


                                        7
<PAGE>

Distributor may reasonably request for use in connection with the distribution
of Class D shares of the Fund, and this shall include, upon request by the
Distributor, one certified copy of all  financial statements prepared for the
Trust by independent public accountants.  The Trust shall make available to the
Distributor such number of copies of the prospectus and statement of additional
information relating to the Fund as the Distributor shall reasonably request.

     (b)  The Trust shall take, from time to time, but subject to any necessary
approval of the Class D shareholders, all necessary action to fix the number of
authorized Class D shares and such steps as may be necessary to register the
same under the Securities Act, to the end that there will be available for sale
such number of Class D shares as the Distributor may reasonably be expected to
sell.

     (c)  The Trust shall use its best efforts to qualify and maintain the
qualification of an appropriate number of its Class D shares for sale under the
securities laws of such states as the Distributor and the Trust may approve.
Any such qualification may be withheld, terminated or withdrawn by the Trust at
any time in its discretion.  As provided in Section 8(c) hereof, the expense of
qualification and maintenance of qualification shall be borne by the Trust.
The Distributor shall furnish such information and other material relating to
its affairs and activities as may be required by the Trust in connection with
such qualification.


                                        8
<PAGE>

     (d)  The Trust will furnish, in reasonable quantities upon request by the
Distributor, copies of annual and interim reports of the Fund.

     Section 6.  DUTIES OF THE DISTRIBUTOR.

     (a)  The Distributor shall devote reasonable time and effort to effect
sales of Class D shares of the Fund but shall not be obligated to sell any
specific number of Class D shares.  The services of the Distributor to the Trust
hereunder are not to be deemed exclusive and nothing herein contained shall
prevent the Distributor from entering into like arrangements with other in-
vestment companies so long as the performance of its obligations hereunder is
not impaired thereby.

     (b)  In selling the Class D shares of the Fund, the Distributor shall use
its best efforts in all respects duly to conform with the requirements of all
Federal and state laws relating to the sale of such securities.  Neither the
Distributor nor any selected dealer, as defined in Section 7 hereof, nor any
other person is authorized by the Trust to give any information or to make any
representations, other than those contained in the registration statement or
related prospectus and statement of additional information and any sales
literature specifically approved by the Trust.

     (c)  The Distributor shall adopt and follow procedures, as approved by the
officers of the Trust, for the confirmation of sales to investors and selected
dealers, the collection of amounts payable by investors and selected dealers on
such sales,


                                        9
<PAGE>

and the cancellation of unsettled transactions, as may be necessary to comply
with the requirements of the National Association of Securities Dealers, Inc.
(the "NASD"), as such requirements may from time to time exist.

     Section 7.  SELECTED DEALERS AGREEMENTS.

     (a)  The Distributor shall have the right to enter into selected dealers
agreements with securities dealers of its choice ("selected dealers") for the
sale of Class D shares and fix therein the portion of the sales charge which may
be allocated to the selected dealers; provided that the Trust shall approve the
forms of agreements with dealers and the dealer compensation set forth therein.
Class D shares sold to selected dealers shall be for resale by such dealers only
at the public offering price(s) set forth in the prospectus and statement of
additional information.  The form of agreement with selected dealers to be used
during the continuous offering of the Class D shares is attached hereto as
Exhibit A.

     (b)  Within the United States, the Distributor shall offer and sell Class D
shares only to such selected dealers as are members in good standing of the
NASD.

     Section 8.  PAYMENT OF EXPENSES.

     (a)  The Trust shall bear all costs and expenses of the Fund, including
fees and disbursements of its counsel and auditors, in connection with the
preparation and filing of any required registration statements and/or
prospectuses and statements of additional information under the Investment
Company


                                       10
<PAGE>

Act, the Securities Act, and all amendments and supplements thereto, and pre-
paring and mailing annual and interim reports and proxy materials to Class D
shareholders (including but not limited to the expense of setting in type any
such registration statements, prospectuses, statements of additional
information, annual or interim reports or proxy materials).

     (b)  The Distributor shall be responsible for any payments made to selected
dealers as reimbursement for their expenses associated with payments of sales
commissions to financial consultants.  In addition, after the prospectuses,
statements of additional information and annual and interim reports have been
prepared and set in type, the Distributor shall bear the costs and expenses of
printing and distributing any copies thereof which are to be used in connection
with the offering of Class D shares to selected dealers or investors pursuant to
this Agreement.  The Distributor shall bear the costs and expenses of preparing,
printing and distributing any other literature used by the Distributor or
furnished by it for use by selected dealers in connection with the offering of
the Class D shares for sale to the public and any expenses of advertising
incurred by the Distributor in connection with such offering.  It is understood
and agreed that so long as the Fund's Class D Shares Distribution Plan pursuant
to Rule 12b-1 under the Investment Company Act remains in effect, any expenses
incurred by the Distributor hereunder in connection with account maintenance
activities may


                                       11
<PAGE>

be paid from amounts recovered by it from the Fund under such plan.

     (c)  The Trust shall bear the cost and expenses of qualification of the
Class D shares for sale pursuant to this Agreement and, if necessary or
advisable in connection therewith, of qualifying the Trust as a broker or dealer
in such states of the United States or other jurisdictions as shall be selected
by the Trust and the Distributor pursuant to Section 5(c) hereof and the cost
and expenses payable to each such state for continuing qualification therein
until the Trust decides to discontinue such qualification pursuant to Section
5(c) hereof.

     Section 9.  INDEMNIFICATION.

     (a)  The Trust shall indemnify and hold harmless the Distributor and each
person, if any, who controls the Distributor against any loss, liability, claim,
damage or expense (including the reasonable cost of investigating or defending
any alleged loss, liability, claim, damage or expense and reasonable counsel
fees incurred in connection therewith), as incurred, arising by reason of any
person acquiring any Class D shares, which may be based upon the Securities Act,
or on any other statute or at common law, on the ground that the registration
statement or related prospectus and statement of additional information relating
to the Fund, as from time to time amended and supplemented, or an annual or
interim report to shareholders of the Fund, includes an untrue statement of a
material fact or omits to state a material fact required to be stated therein or
necessary in order to make


                                       12
<PAGE>

the statements therein not misleading, unless such statement or omission was
made in reliance upon, and in conformity with, information furnished to the
Trust in connection therewith by or on behalf of the Distributor; provided,
however, that in no case (i) is the indemnity of the Trust in favor of the
Distributor and any such controlling persons to be deemed to protect such
Distributor or any such controlling persons thereof against any liability to the
Trust or its security holders to which the Distributor or any such controlling
persons would otherwise be subject by reason of willful misfeasance, bad faith
or gross negligence in the performance of their duties or by reason of the
reckless disregard of their obligations and duties under this Agreement; or (ii)
is the Trust to be liable under its indemnity agreement contained in this
paragraph with respect to any claim made against the Distributor or any such
controlling persons, unless the Distributor or such controlling persons, as the
case may be, shall have notified the Trust in writing within a reasonable time
after the summons or other first legal process giving information of the nature
of the claim shall have been served upon the Distributor or such controlling
persons (or after the Distributor or such controlling persons shall have
received notice of such service on any designated agent), but failure to notify
the Trust of any such claim shall not relieve it from any liability which it may
have to the person against whom such action is brought otherwise than on account
of its indemnity agreement contained in this paragraph.  The Trust will be


                                       13
<PAGE>

entitled to participate at its own expense in the defense or, if it so elects,
to assume the defense of any suit brought to enforce any such liability, but if
the Trust elects to assume the defense, such defense shall be conducted by
counsel chosen by it and satisfactory to the Distributor or such controlling
person or persons, defendant or defendants in the suit.  In the event the Trust
elects to assume the defense of any such suit and retain such counsel, the
Distributor or such controlling person or persons, defendant or defendants in
the suit shall bear the fees and expenses of any additional counsel retained by
them, but in case the Trust does not elect to assume the defense of any such
suit, it will reimburse the Distributor or such controlling person or persons,
defendant or defendants in the suit, for the reasonable fees and expenses of any
counsel retained by them.  The Trust shall promptly notify the Distributor of
the commencement of any litigation or proceedings against it or any of its
officers or Trustees in connection with the issuance or sale of any of the Class
D shares.

     (b)  The Distributor shall indemnify and hold harmless the Trust and each
of its Trustees and officers and each person, if any, who controls the Trust
against any loss, liability, claim, damage or expense described in the foregoing
indemnity contained in subsection (a) of this Section, but only with respect to
statements or omissions made in reliance upon, and in conformity with,
information furnished to the Trust in writing by or on behalf of the Distributor
for use in connection with the


                                       14
<PAGE>

registration statement or related prospectus and statement of additional infor-
mation, as from time to time amended, or the annual or interim reports to Class
D shareholders.  In case any action shall be brought against the Trust or any
person so indemnified, in respect of which indemnity may be sought against the
Distributor, the Distributor shall have the rights and duties given to the
Trust, and the Trust and each person so indemnified shall have the rights and
duties given to the Distributor by the provisions of subsection (a) of this
Section 9.

     Section 10.  MERRILL LYNCH MUTUAL FUND ADVISER PROGRAM.  In connection with
the Merrill Lynch Mutual Fund Adviser Program, the Distributor and its
affiliate, Merrill Lynch, Pierce, Fenner & Smith Incorporated, are authorized to
offer and sell shares of the Fund, as agent for the Fund, to participants in
such program.  The terms of this Agreement shall apply to such sales, including
terms as to the offering price of shares, the proceeds to be paid to the Fund,
the duties of the Distributor, the payment of expenses and indemnification
obligations of the Fund and the Distributor.

     Section 11.  DURATION AND TERMINATION OF THIS AGREEMENT.  This Agreement
shall become effective as of the date first above written and shall remain in
force until October __, 1996 and thereafter, but only for so long as such
continuance is specifically approved at least annually by (i) the Trustees or by
the vote of a majority of the outstanding Class D voting securities of the Fund
and (ii) by the vote of a majority of


                                       15
<PAGE>

those Trustees who are not parties to this Agreement or interested persons of
any such party cast in person at a meeting called for the purpose of voting on
such approval.

     This Agreement may be terminated at any time, without the payment of any
penalty, by the Trustees or by vote of a majority of the outstanding Class D
voting securities of the Fund, or by the Distributor, on sixty days' written
notice to the other party.  This  Agreement shall automatically terminate in the
event of its assignment.

     The terms "vote of a majority of the outstanding voting securities",
"assignment", "affiliated person" and "interested person", when used in this
Agreement, shall have the respective meanings specified in the Investment
Company Act.

     Section 12.  AMENDMENTS OF THIS AGREEMENT.  This Agreement may be amended
by the parties only if such amendment is specifically approved by (i) the
Trustees or by the vote of a majority of outstanding Class C voting securities
of the Fund and (ii) by the vote of a majority of those Trustees of the Trust
who are not parties to this Agreement or interested persons of any such party
cast in person at a meeting called for the purpose of voting on such approval.

     Section 13.  GOVERNING LAW.  The provisions of this Agreement shall be
construed and interpreted in accordance with the laws of the State of New York
as at the time in effect and the applicable provisions of the Investment Company
Act.  To the extent that the applicable law of the State of New York, or any


                                       16
<PAGE>

of the provisions herein, conflict with the applicable provisions of the
Investment Company Act, the latter shall control.

     Section 14.  PERSONAL LIABILITY.  The Declaration of Trust establishing
Merrill Lynch Multi-State Municipal Series Trust, dated August 2, 1985, a copy
of which, together with all amendments thereto (the "Declaration"), is on file
in the office of the Secretary of the Commonwealth of Massachusetts, provides
that the name "Merrill Lynch Multi-State Municipal Series Trust" refers to the
Trustees under the Declaration collectively as trustees, but not as individuals
or personally; and no Trustee, shareholder, officer, employee or agent of said
Trust shall be held to any personal liability, nor shall resort be had to their
private property for the satisfaction of any obligation or claim or otherwise in
connection with the affairs of said Trust, but the "Trust Property" only shall
be liable.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.


               MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST



               By
                 -------------------------------------
                    Title:


               MERRILL LYNCH FUNDS DISTRIBUTOR, INC.


               By
                 -------------------------------------
                    Title:


                                       17
<PAGE>

                                                                       EXHIBIT A


                    MERRILL LYNCH [STATE] MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                     CLASS D SHARES OF BENEFICIAL INTEREST

                           SELECTED DEALERS AGREEMENT


Gentlemen:

     Merrill Lynch Funds Distributor, Inc. (the "Distributor") has an agreement
with MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST, a Massachusetts business
trust (the "Trust"), pursuant to which it acts as the distributor for the sale
of Class D shares of beneficial interest, par value $0.10 per share (herein
referred to as "Class D shares"), of the Trust relating to Merrill Lynch [State]
Municipal Bond Fund (the "Fund"), and as such has the right to distribute Class
D shares of the Fund for resale.  The Trust is an open-end investment company
registered under the Investment Company Act of 1940, as amended, and the Fund's
Class D shares being offered to the public are registered under the Securities
Act of 1933, as amended.  You have received a copy of the Class D Shares
Distribution Agreement (the "Distribution Agreement") between ourself and the
Trust and reference is made herein to certain provisions of such Distribution
Agreement.  The terms "Prospectus" and "Statement of Additional Information"
used herein refer to the prospectus and statement of additional information,
respectively, on file with the Securities and Exchange Commission which is part
of the most recent effective registration statement pursuant to the Securities
Act of 1933, as amended.  We offer to sell to you, as a member of the Selected
Dealers Group, Class D shares of the Fund upon the following terms and
conditions:

     1.   In all sales of these Class D shares to the public, you shall act as
dealer for your own account and in no transaction shall you have any authority
to act as agent for the Trust, for us or for any other member of the Selected
Dealers Group, except in connection with the Merrill Lynch Mutual Fund Adviser
program and such other special programs as we from time to time agree, in which
case you shall have authority to offer and sell shares, as agent for the Trust,
to participants in such program.

     2.   Orders received from you will be accepted through us only at the
public offering price applicable to each order, as set forth in the current
Prospectus and Statement of Additional Information of the Fund.  The procedure
relating to the handling


                                       A-1
<PAGE>

of orders shall be subject to Section 5 hereof and instructions which we or the
Trust shall forward from time to time to you.  All orders are subject to
acceptance or rejection by the Distributor or the Trust in the sole discretion
of either.  The minimum initial and subsequent purchase requirements are as set
forth in the current Prospectus and Statement of Additional Information of the
Fund.

     3.   The sales charges for sales to the public, computed as percentages of
the public offering price and the amount invested, and the related discount to
Selected Dealers are as follows:

<TABLE>
<CAPTION>

                                                                 Discount to
                                              Sales Charge        Selected
                          Sales Charge       as Percentage*      Dealers as
                          as Percentage        of the Net        Percentage
                             of the              Amount            of the
Amount of Purchase       Offering Price         Invested       Offering Price
- ------------------       --------------         --------       --------------
<S>                      <C>                 <C>               <C>
Less than
$25,000...............        4.00%               4.17%             3.75%

$25,000 but less
 than $50,000.........        3.75%               3.90%             3.50%

$50,000 but less
 than $100,000........        3.25%               3.36%             3.00%

$100,000 but less
 than $250,000........        2.50%               2.56%             2.25%

$250,000 but less
 than $1,000,000......        1.50%               1.52%             1.25%

$1,000,000 and
over**................        0.00%               0.00%             0.00%

<FN>
___________________

*  Rounded to the nearest one-hundredth percent.
** Initial sales charges will be waived for certain classes of offerees as set
forth in the current Prospectus and Statement of Additional Information of the
Fund.  Such purchase may be subject to a contingent deferred sales charge as set
forth in the current Prospectus and Statement of Additional Information.

</TABLE>

     The term "purchase" refers to a single purchase by an individual, or to
concurrent purchases, which in the aggregate are at least equal to the
prescribed amounts, by an individual, his


                                       A-2
<PAGE>

spouse and their children under the age of 21 years purchasing Class D shares
for his or their own account and to single purchases by a trustee or other
fiduciary purchasing Class D shares for a single trust estate or single
fiduciary account although more than one beneficiary is involved.  The term
"purchase" also includes purchases by any "company" as that term is defined in
the Investment Company Act of 1940, as amended, but does not include purchases
by any such company which has not been in existence for at least six months or
which has no purpose other than the purchase of Class D shares of the Fund or
Class D shares of other registered investment companies at a discount; provided,
however, that it shall not include purchases by any group of individuals whose
sole organizational nexus is that the participants therein are credit
cardholders of a company, policyholders of an insurance company, customers of
either a bank or broker-dealer or clients of an investment adviser.

     The reduced sales charges are applicable through a right of accumulation
under which eligible investors are permitted to purchase Class D shares of the
Fund at the offering price applicable to the total of (a) the dollar amount then
being purchased plus (b) an amount equal to the then current net asset value or
cost, whichever is higher, of the purchaser's combined holdings of Class A,
Class B, Class C and Class D shares of the Fund and of any other investment
company with an initial sales charge for which the Distributor acts as the
distributor.  For any such right of accumulation to be made available, the
Distributor must be provided at the time of purchase, by the purchaser or you,
with sufficient information to permit confirmation of qualification, and
acceptance of the purchase order is subject to such confirmation.

     The reduced sales charges are applicable to purchases aggregating $25,000
or more of Class A shares or of Class D shares of any other investment company
with an initial sales charge for which the Distributor acts as the distributor
made through you within a thirteen-month period starting with the first purchase
pursuant to a Letter of Intention in the form provided in the Prospectus.  A
purchase not originally made pursuant to a Letter of Intention may be included
under a subsequent letter executed within 90 days of such purchase if the
Distributor is informed in writing of this intent within such 90-day period.  If
the intended amount of shares is not purchased within the thirteen-month period,
an appropriate price adjustment will be made pursuant to the terms of the Letter
of Intention.

     You agree to advise us promptly at our request as to amounts of any sales
made by you to the public qualifying for reduced sales charges.  Further
information as to the reduced sales charges pursuant to the right of
accumulation or a Letter of


                                       A-3
<PAGE>

Intention is set forth in the Prospectus and Statement of Additional
Information.

     4.   You shall not place orders for any of the Class D shares unless you
have already received purchase orders for such Class D shares at the applicable
public offering prices and subject to the terms hereof and of the Distribution
Agreement.  You agree that you will not offer or sell any of the Class D shares
except under circumstances that will result in compliance with the applicable
Federal and state securities laws and that in connection with sales and offers
to sell Class D shares you will furnish to each person to whom any such sale or
offer is made a copy of the Prospectus and, if requested, the Statement of
Additional Information (as then amended or supplemented) and will not furnish to
any person any information relating to the Class D shares of the Fund which is
inconsistent in any respect with the information contained in the Prospectus and
Statement of Additional Information  (as then amended or supplemented) or cause
any advertisement to be published in any newspaper or posted in any public place
without our consent and the consent of the Trust.

     5.   As a selected dealer, you are hereby authorized (i) to place orders
directly with the Trust for Class D shares of the Fund to be resold by us to you
subject to the applicable terms and conditions governing the placement of orders
by us set forth in Section 3 of the Distribution Agreement and subject to the
compensation provisions of Section 3 hereof and (ii) to tender Class D shares
directly to the Trust or its agent for redemption subject to the applicable
terms and conditions set forth in Section 4 of the Distribution Agreement.

     6.   You shall not withhold placing orders received from your customers so
as to profit yourself as a result of such withholding:  E.G., by a change in the
"net asset value" from that used in determining the offering price to your
customers.

     7.   If any Class D shares sold to you under the terms of this Agreement
are repurchased by the Trust or by us for the account of the Trust or are
tendered for redemption within seven business days after the date of the
confirmation of the original purchase by you, it is agreed that you shall
forfeit your right to, and refund to us, any discount received by you on such
Class D shares.

     8.  No person is authorized to make any representations concerning Class D
shares of the Fund except those contained in the current Prospectus and
Statement of Additional Information of the Fund and in such printed information
subsequently issued by us or the Trust as information supplemental to such
Prospectus and


                                       A-4
<PAGE>


Statement of Additional Information.  In purchasing Class D shares through us
you shall rely solely on the representations contained in the Prospectus and
Statement of Additional Information and supplemental information above
mentioned.  Any printed information which we furnish you other than the Fund's
Prospectus, Statement of Additional Information, periodic reports and proxy
solicitation material is our sole responsibility and not the responsibility of
the Trust, and you agree that the Trust shall have no liability or
responsibility to you in these respects unless expressly assumed in connection
therewith.

     9.   You agree to deliver to each of the purchasers making purchases from
you a copy of the then current Prospectus and, if requested, the Statement of
Additional Information at or prior to the time of offering or sale and you agree
thereafter to deliver to such purchasers copies of the annual and interim
reports and proxy solicitation materials of the Fund.  You further agree to
endeavor to obtain proxies from such purchasers.  Additional copies of the
Prospectus and Statement of Additional Information, annual or interim reports
and proxy solicitation materials of the Fund will be supplied to you in
reasonable quantities upon request.

     10.  We reserve the right in our discretion, without notice, to suspend
sales or withdraw the offering of Class D shares entirely or to certain persons
or entities in a class or classes specified by us.  Each party hereto has the
right to cancel this agreement upon notice to the other party.

     11.  We shall have full authority to take such action as we may deem
advisable in respect of all matters pertaining to the continuous offering.  We
shall be under no liability to you except for lack of good faith and for
obligations expressly assumed by us herein.  Nothing contained in this paragraph
is intended to operate as, and the provisions of this paragraph shall not in any
way whatsoever constitute, a waiver by you of compliance with any provision of
the Securities Act of 1933, as amended, or of the rules and regulations of the
Securities and Exchange Commission issued thereunder.

     12.  You represent that you are a member of the National Association of
Securities Dealers, Inc. and, with respect to any sales in the United States, we
both hereby agree to abide by the Rules of Fair Practice of such Association.

     13.  Upon application to us, we will inform you as to the states in which
we believe the Class D shares have been qualified for sale under, or are exempt
from the requirements of, the respective securities laws of such states, but we
assume no responsibility or obligation as to your right to sell Class D


                                       A-5
<PAGE>

shares in any jurisdiction.  We will file with the Department of State in New
York a Further State Notice with respect to the Class D shares, if necessary.

     14.  All communications to us should be sent to the address below.  Any
notice to you shall be duly given if mailed or telegraphed to you at the address
specified by you below.

     15.  Your first order placed pursuant to this Agreement for the purchase of
Class D shares of the Fund will represent your acceptance of this Agreement.

                         MERRILL LYNCH FUNDS DISTRIBUTOR, INC.


                         By
                            ----------------------------------
                              (Authorized Signature)

Please return one signed copy
     of this agreement to:

     MERRILL LYNCH FUNDS DISTRIBUTOR, INC.
     Box 9011
     Princeton, New Jersey 08543-9011

     Accepted:

          Firm Name: Merrill Lynch, Pierce, Fenner & Smith Inc.
                    --------------------------------------------

          By:
             --------------------------------------------

          Address:  800 Scudders Mill Road
                  -------------------------------------

                    Plainsboro, New Jersey 08536
          ---------------------------------------------

          Date:            , 1994
               ----------------------------------------------


                                       A-6



<PAGE>
   
                                                                      EXHIBIT 11
    

   
INDEPENDENT AUDITORS' CONSENT
    

   
Merrill Lynch Massachusetts Municipal Bond Fund of
Merrill Lynch Multi-State Municipal Series Trust:
    

   
We  consent  to  the  use  in Post-Effective  Amendment  No.  4  to Registration
Statement No. 33-35987  of our  report dated August  29, 1994  appearing in  the
Statement  of  Additional  Information, which  is  a part  of  such Registration
Statement, and to the reference to  us under the caption "Financial  Highlights"
appearing  in  the  Prospectus,  which  also  is  a  part  of  such Registration
Statement.
    

   
DELOITTE & TOUCHE LLP
Princeton, New Jersey
October 10, 1994
    

<PAGE>

                            CLASS C DISTRIBUTION PLAN

                                       OF

                    MERRILL LYNCH [STATE] MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                             PURSUANT TO RULE 12b-1

     DISTRIBUTION PLAN made as of the      day of October, 1994, by and between
Merrill Lynch Multi-State Municipal Series Trust, a Massachusetts business trust
(the "Trust"), and Merrill Lynch Funds Distributor, Inc., a Delaware corporation
("MLFD").

                              W I T N E S S E T H:

     WHEREAS, the Trust is engaged in business as an open-end investment company
registered under the Investment Company Act of 1940, as amended (the "Investment
Company Act"); and

     WHEREAS, the Trust is authorized to establish separate ("Series") each of
which will offer separate classes of shares of beneficial interest par value
$0.10 per share (the "Shares") to selected groups of purchasers; and

     WHEREAS, MLFD is a securities firm engaged in the business of selling
shares of investment companies either directly to purchasers or through other
securities dealers; and

     WHEREAS, the Trust proposes to enter into a Class C Shares Distribution
Agreement with MLFD, pursuant to which MLFD will act as the exclusive
distributor and representative of the Trust in the offer and sale of Class C
shares of beneficial interest, par value $0.10 per share (the "Class C shares"),
of the Merrill Lynch [State] Municipal Bond Fund (the "Fund") series of the
Trust to the public; and

     WHEREAS, the Trust desires to adopt this Class C Distribution Plan (the
"Plan") pursuant to Rule 12b-1 under the Investment Company Act, pursuant to
which the Trust will pay an account maintenance fee and a distribution fee to
MLFD with respect to the Fund's Class C shares; and

     WHEREAS, the Trustees of the Trust have determined that there is a
reasonable likelihood that adoption of the Plan will benefit the Fund and its
shareholders.

     NOW, THEREFORE, the Trust hereby adopts, and MLFD hereby agrees to the
terms of, the Plan in accordance with Rule 12b-1

<PAGE>

under the Investment Company Act on the following terms and conditions:

     1.  The Trust shall pay MLFD an account maintenance fee under the Plan at
the end of each month at the annual rate of 0.25% of average daily net assets of
the Fund relating to Class C shares to compensate MLFD and securities firms with
which MLFD enters into related agreements pursuant to Paragraph 3 hereof ("Sub-
Agreements") for providing account maintenance activities with respect to Class
C shareholders of the Fund.  Expenditures under the Plan may consist of payments
to financial consultants for maintaining accounts in connection with Class C
shares of the Fund and payment of expenses incurred in connection with such
account maintenance activities including the costs of making services available
to shareholders including assistance in connection with inquiries related to
shareholder accounts.

     2.  The Trust shall pay MLFD a distribution fee under the Plan at the end
of each month at the annual rate of 0.35% of average daily net assets of the
Fund relating to Class C shares to compensate MLFD and securities firms with
which MLFD enters into related Sub-Agreements for providing sales and
promotional activities and services.  Such activities and services will relate
to the sale, promotion and marketing of the Class C shares of the Fund.  Such
expenditures may consist of sales commissions to financial consultants for
selling Class C shares of the Fund, compensation, sales incentives and payments
to sales and marketing personnel, and the payment of expenses incurred in its
sales and promotional activities, including advertising expenditures related to
the Fund and the costs of preparing and distributing promotional materials.  The
distribution fee may also be used to pay the financing costs of carrying the
unreimbursed expenditures described in this Paragraph 2.  Payment of the
distribution fee described in this Paragraph 2 shall be subject to any
limitations set forth in any applicable regulation of the National Association
of Securities Dealers, Inc.

     3.  The Trust hereby authorizes MLFD to enter into Sub-Agreements with
certain securities firms ("Securities Firms"), including Merrill Lynch, Pierce,
Fenner & Smith Incorporated, to provide compensation to such Securities Firms
for activities and services of the type referred to in Paragraphs 1 and 2
hereof.  MLFD may reallocate all or a portion of its account maintenance fee or
distribution fee to such Securities Firms as compensation for the
above-mentioned activities and services.  Such Sub-Agreement shall provide that
the Securities Firms shall provide MLFD with such information as is reasonably
necessary to permit MLFD to comply with the reporting requirements set forth in
Paragraph 4 hereof.


                                        2
<PAGE>

     4.  MLFD shall provide the Trust for review by the Board of Trustees, and
the Trustees shall review, at least quarterly, a written report complying with
the requirements of Rule 12b-1 regarding the disbursement of the account
maintenance fee and the distribution fee during such period.

     5.  This Plan shall not take effect until it has been approved by a vote of
at least a majority, as defined in the Investment Company Act, of the
outstanding Class C voting securities of the Fund.

     6.  This Plan shall not take effect until it has been approved, together
with any related agreements, by votes of a majority of both (a) the Trustees of
the Trust and (b) those Trustees of the Trust who are not "interested persons"
of the Trust, as defined in the Investment Company Act, and have no direct or
indirect financial interest in the operation of this Plan or any agreements
related to it (the "Rule 12b-1 Trustees cast in person at a meeting or meetings
called for the purpose of voting on the Plan and such related agreements.

     7.  The Plan shall continue in effect for so long as such continuance is
specifically approved at least annually in the manner provided for approval of
the Plan in Paragraph 6.

     8.  The Plan may be terminated at any time by vote of a majority of the
Rule 12b-1 Trustees, or by vote of a majority of the outstanding Class C voting
securities of the Fund.

     9.  The Plan may not be amended to increase materially the rate of payments
provided for herein unless such amendment is approved by at least a majority, as
defined in the Investment Company Act, of the outstanding Class C voting
securities of the Fund, and by the Trustees of the Trust in the manner provided
for in Paragraph 6 hereof, and no material amendment to the Plan shall be made
unless approved in the manner provided for approval and annual renewal in
Paragraph 6 hereof.

     10.  While the Plan is in effect, the selection and nomination of Trustees
who are not interested persons, as defined in the Investment Company Act, of the
Trust shall be committed to the discretion of the Trustees who are not
interested persons.

     11.  The Fund shall preserve copies of the Plan and any related agreements
and all reports made pursuant to Paragraph 4 hereof, for a period of not less
than six years from the date of the Plan, or the agreements or such report, as
the case may be, the first two years in an easily accessible place.


                                        3
<PAGE>

     12.  The Declaration of Trust establishing the Trust, dated August 2, 1985,
a copy of which, together with all amendments thereto (the "Declaration"), is on
file in the office of the Secretary of the Commonwealth of Massachusetts,
provides that the name "Merrill Lynch Multi-State Municipal Series Trust" refers
to the Trustees under the Declaration collectively as trustees, but not as
individuals or personally; and no Trustee, shareholder, officer, employee or
agent of the Trust shall be held to any personal liability, nor shall resort be
had to their private property for the satisfaction of any obligation or claim or
otherwise in connection with the affairs of the Trust, but the "Trust Property"
only shall be liable.

     IN WITNESS WHEREOF, the parties hereto have executed this Distribution Plan
as of the date first above written.

                    MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST


                    By
                      -----------------------------------------------
                         Title:

                    MERRILL LYNCH FUNDS DISTRIBUTOR, INC.


                    By
                      -----------------------------------------------
                         Title:


                                        4
<PAGE>


                 CLASS C SHARES DISTRIBUTION PLAN SUB-AGREEMENT


     AGREEMENT made as of the      day of October, 1994, by and between Merrill
Lynch Funds Distributor, Inc., a Delaware corporation ("MLFD"), and Merrill
Lynch, Pierce, Fenner & Smith Incorporated, a Delaware corporation ("Securities
Firm").

                              W I T N E S S E T H :

     WHEREAS, MLFD has entered into an agreement with Merrill Lynch Multi-State
Municipal Series Trust, a Massachusetts business trust (the "Trust"), pursuant
to which it acts as the exclusive distributor for the sale of Class C shares of
beneficial interest, par value $0.10 per share (the "Class C shares"), of the
Merrill Lynch [State] Municipal Bond Fund (the "Fund") series of the Trust; and

     WHEREAS, MLFD and the Trust have entered into a Class C Shares Distribution
Plan (the "Plan") pursuant to Rule 12b-1 under the Investment Company Act of
1940, as amended (the "Act"), pursuant to which MLFD receives an account
maintenance fee from the Fund at the annual rate of 0.25% of average daily net
assets of the Fund relating to Class C shares for account maintenance activities
related to Class C shares of the Fund and a distribution fee from the Fund at
the annual rate of 0.35% of average daily net assets of the Fund relating to
Class C shares for providing sales and promotional activities and services
related to the distribution of Class C shares of the Fund; and

     WHEREAS, MLFD desires the Securities Firm to perform certain account
maintenance activities and sales and promotional activities and services for the
Fund's Class C shareholders and the Securities Firm is willing to perform such
activities and services;

     NOW, THEREFORE, in consideration of the mutual covenants contained herein,
the parties hereby agree as follows:

     1.  The Securities Firm shall provide account maintenance activities and
services with respect to the Class C shares of the Fund and incur expenditures
in connection with such activities and services of the types referred to in
Paragraph 1 of the Plan.

     2.  The Securities Firm shall provide sales and promotional activities and
services with respect to the sale of the Class C shares of the Fund, and incur
distribution expenditures, of the types referred to in Paragraph 2 of the Plan.

<PAGE>

     3.  As compensation for its activities and services performed under this
Agreement, MLFD shall pay the Securities Firm an account maintenance fee and a
distribution fee at the end of each calendar month in an amount agreed upon by
the parties hereto.

     4.  The Securities Firm shall provide MLFD, at least quarterly, such
information as reasonably requested by MLFD to enable MLFD to comply with the
reporting requirements of Rule 12b-1 regarding the disbursement of the account
maintenance fee and the distribution fee during such period referred to in
Paragraph 4 of the Plan.

     5.  This Agreement shall not take effect until it has been approved by
votes of a majority of both (a) the Trustees of the Trust and (b) those Trustees
of the Trust who are not "interested persons" of the Trust, as defined in the
Act, and have no direct or indirect financial interest in the operation of the
Plan, this Agreement or any agreements related to the Plan or this Agreement
(the "Rule 12b-1 Trustees"), cast in person at a meeting or meetings called for
the purpose of voting on this Agreement.

     6.  This Agreement shall continue in effect for as long as such continuance
is specifically approved at least annually in the manner provided for approval
of the Plan in Paragraph 6.

     7.  This Agreement shall automatically terminate in the event of its
assignment or in the event of the termination of the Plan or any amendment to
the Plan that requires such termination.

     IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement as of the date first above written.

                                  MERRILL LYNCH FUNDS DISTRIBUTOR, INC.



                                  By
                                    --------------------------------------
                                       Title:


                                  MERRILL LYNCH, PIERCE, FENNER & SMITH
                                              INCORPORATED



                                 By
                                   ---------------------------------------
                                      Title:


                                        2

<PAGE>

                            CLASS D DISTRIBUTION PLAN

                                       OF

                    MERRILL LYNCH [STATE] MUNICIPAL BOND FUND
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST

                             PURSUANT TO RULE 12b-1

     DISTRIBUTION PLAN made as of the      day of October, 1994, by and between
Merrill Lynch Multi-State Municipal Series Trust, a Massachusetts business trust
(the "Trust"), and Merrill Lynch Funds Distributor, Inc., a Delaware corporation
("MLFD").

                              W I T N E S S E T H :

     WHEREAS, the Trust is engaged in business as an open-end investment company
registered under the Investment Company Act of 1940, as amended (the "Investment
Company Act"); and

     WHEREAS, the Trust is authorized to establish separate ("Series") each of
which will offer separate classes of shares of beneficial interest par value
$0.10 per share (the "Shares") to selected groups of purchasers; and

     WHEREAS, MLFD is a securities firm engaged in the business of selling
shares of investment companies either directly to purchasers or through other
securities dealers; and

     WHEREAS, the Trust proposes to enter into a Class D Shares Distribution
Agreement with MLFD, pursuant to which MLFD will act as the exclusive
distributor and representative of the Trust in the offer and sale of Class D
shares of beneficial interest, par value $0.10 per share (the "Class D shares"),
of the Merrill Lynch [State] Municipal Bond Fund (the "Fund") series of the
Trust to the public; and

     WHEREAS, the Trust desires to adopt this Class D Distribution Plan (the
"Plan") pursuant to Rule 12b-1 under the Investment Company Act, pursuant to
which the Trust will pay an account maintenance fee to MLFD with respect to the
Fund's Class D shares; and

     WHEREAS, the Trustees of the Trust have determined that there is a
reasonable likelihood that adoption of the Plan will benefit the Fund and its
shareholders.

     NOW, THEREFORE, the Trust hereby adopts, and MLFD hereby agrees to the
terms of, the Plan in accordance with Rule 12b-1

<PAGE>

under the Investment Company Act on the following terms and conditions:

     1.  The Trust shall pay MLFD an account maintenance fee under the Plan at
the end of each month at the annual rate of 0.10% of average daily net assets of
the Fund relating to Class D shares to compensate MLFD and securities firms with
which MLFD enters into related agreements ("Sub-Agreements") pursuant to
Paragraph 2 hereof for providing account maintenance activities with respect to
Class D shareholders of the Fund.  Expenditures under the Plan may consist of
payments to financial consultants for maintaining accounts in connection with
Class D shares of the Fund and payment of expenses incurred in connection with
such account maintenance activities including the costs of making services
available to shareholders including assistance in connection with inquiries
related to shareholder accounts.

     2.  The Trust hereby authorizes MLFD to enter into Sub-Agreements with
certain securities firms ("Securities Firms"), including Merrill Lynch, Pierce,
Fenner & Smith Incorporated, to provide compensation to such Securities Firms
for activities of the type referred to in Paragraph 1.  MLFD may reallocate all
or a portion of its account maintenance fee to such Securities Firms as
compensation for the above-mentioned activities.  Such Sub-Agreement shall
provide that the Securities Firms shall provide MLFD with such information as is
reasonably necessary to permit MLFD to comply with the reporting requirements
set forth in Paragraph 3 hereof.

     3.  MLFD shall provide the Trust for review by the Board of Trustees, and
the Trustees shall review, at least quarterly, a written report complying with
the requirements of Rule 12b-1 regarding the disbursement of the account
maintenance fee during such period.

     4.  This Plan shall not take effect until it has been approved by a vote of
at least a majority, as defined in the Investment Company Act, of the
outstanding Class D voting securities of the Fund.

     5.  This Plan shall not take effect until it has been approved, together
with any related agreements, by votes of a majority of both (a) the Trustees of
the Trust and (b) those Trustees of the Trust who are not "interested persons"
of the Trust, as defined in the Investment Company Act, and have no direct or
indirect financial interest in the operation of this Plan or any agreements
related to it (the "Rule 12b-1 Trustees"), cast in person at a meeting or
meetings called for the purpose of voting on the Plan and such related
agreements.


                                        2
<PAGE>

     6.  The Plan shall continue in effect for so long as such continuance is
specifically approved at least annually in the manner provided for approval of
the Plan in Paragraph 5.

     7.  The Plan may be terminated at any time by vote of a majority of the
Rule 12b-1 Trustees, or by vote of a majority of the outstanding Class D voting
securities of the Fund.

     8.  The Plan may not be amended to increase materially the rate of payments
provided for in Paragraph 1 hereof unless such amendment is approved by at least
a majority, as defined in the Investment Company Act, of the outstanding Class D
voting securities of the Fund, and by the Trustees of the Trust in the manner
provided for in Paragraph 5 hereof, and no material amendment to the  Plan shall
be made unless approved in the manner provided for approval and annual renewal
in Paragraph 5 hereof.

     9.  While the Plan is in effect, the selection and nomination of Trustees
who are not interested persons, as defined in the Investment Company Act, of the
Trust shall be committed to the discretion of the Trustees who are not
interested persons.

     10. The Fund shall preserve copies of the Plan and any related agreements
and all reports made pursuant to Paragraph 3 hereof, for a period of not less
than six years from the date of the Plan, or the agreements or such report, as
the case may be, the first two years in an easily accessible place.

     11.  The Declaration of Trust establishing the Trust, dated August 2, 1985,
a copy of which, together with all amendments thereto (the "Declaration"), is on
file in the office of the Secretary of the Commonwealth of Massachusetts,
provides that the name "Merrill Lynch Multi-State Municipal Series Trust" refers
to the Trustees under the Declaration collectively as trustees, but not as
individuals or personally; and no Trustee, shareholder, officer, employee or
agent of the Trust shall be held to any personal liability, nor shall resort be
had to their private property for the satisfaction of any obligation or claim or
otherwise in connection with the affairs of the Trust, but the "Trust Property"
only shall be liable.


                                        3
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Distribution Plan
as of the date first above written.

                             MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST


                             By
                               -----------------------------------------------
                                  Title:


                             MERRILL LYNCH FUNDS DISTRIBUTOR, INC.



                             By
                               -----------------------------------------------
                                  Title:


                                        4
<PAGE>


                 CLASS D SHARES DISTRIBUTION PLAN SUB-AGREEMENT


     AGREEMENT made as of the      day of October, 1994, by and between Merrill
Lynch Funds Distributor, Inc. a Delaware corporation ("MLFD"), and Merrill
Lynch, Pierce, Fenner & Smith Incorporated, a Delaware corporation ("Securities
Firm").

                              W I T N E S S E T H :

     WHEREAS, MLFD has entered into an agreement with Merrill Lynch Multi-State
Municipal Series Trust, a Massachusetts business trust (the "Trust"), pursuant
to which it acts as the exclusive distributor for the sale of Class D shares of
beneficial interest, par value $0.10 per share (the "Class D shares"), of the
Merrill Lynch [State] Municipal Bond Fund (the "Fund") series of the Trust; and

     WHEREAS, MLFD and the Trust have entered into a Class D Shares Distribution
Plan (the "Plan") pursuant to Rule 12b-1 under the Investment Company Act of
1940, as amended (the "Act"), pursuant to which MLFD receives an account
maintenance fee from the Fund at the annual rate of 0.10% of average daily net
assets of the Fund relating to Class D shares for providing account maintenance
activities and services with respect to Class D shares; and

     WHEREAS, MLFD desires the Securities Firm to perform certain account
maintenance activities and services, including assistance in connection with
inquiries related to shareholder accounts, for the Fund's Class D shareholders
and the Securities Firm is willing to perform such services;

     NOW, THEREFORE, in consideration of the mutual covenants contained herein,
the parties hereby agree as follows:

     1.  The Securities Firm shall provide account maintenance activities and
services with respect to the Class D shares of the Fund and incur expenditures
in connection with such activities and services, of the types referred to in
Paragraph 1 of the Plan.

     2.  As compensation for its services performed under this Agreement, MLFD
shall pay the Securities Firm a fee at the end of each calendar month in an
amount agreed upon by the parties hereto.

     3.  The Securities Firm shall provide MLFD, at least quarterly, such
information as reasonably requested by MLFD to enable MLFD to comply with the
reporting requirements of Rule

<PAGE>

12b-1 regarding the disbursement of the fee during such period referred to in
Paragraph 3 of the Plan.

     4.  This Agreement shall not take effect until it has been approved by
votes of a majority of both (a) the Trustees of the Trust and (b) those Trustees
of the Trust who are not "interested persons" of the Trust, as defined in the
Act, and have no direct or indirect financial interest in the operation of the
Plan, this Agreement or any agreements related to the Plan or this Agreement
(the "Rule 12b-1 Trustees"), cast in person at a meeting or meetings called for
the purpose of voting on this Agreement.

     5.  This Agreement shall continue in effect for as long as such continuance
is specifically approved at least annually in the manner provided for approval
of the Plan in Paragraph 5.

     6.  This Agreement shall automatically terminate in the event of its
assignment or in the event of the termination of the Plan or any amendment to
the Plan that requires such termination.

     IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement as of the date first above written.

                                  MERRILL LYNCH FUNDS DISTRIBUTOR, INC.



                                  By
                                    --------------------------------------
                                       Title:


                                  MERRILL LYNCH, PIERCE, FENNER & SMITH
                                               INCORPORATED



                                  By
                                    --------------------------------------
                                       Title:


                                        2

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 9
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUL-01-1994
<PERIOD-END>                               JUL-01-1994
<INVESTMENTS-AT-COST>                         84103398
<INVESTMENTS-AT-VALUE>                        84445011
<RECEIVABLES>                                  4118327
<ASSETS-OTHER>                                   56632
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                88619970
<PAYABLE-FOR-SECURITIES>                       3510736
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       305946
<TOTAL-LIABILITIES>                            3816682
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      84534452
<SHARES-COMMON-STOCK>                           798416
<SHARES-COMMON-PRIOR>                           640709
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                         72777
<ACCUM-APPREC-OR-DEPREC>                        341613
<NET-ASSETS>                                   8367548
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              5037381
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  909377
<NET-INVESTMENT-INCOME>                        4128004
<REALIZED-GAINS-CURRENT>                         21770
<APPREC-INCREASE-CURRENT>                    (3726694)
<NET-CHANGE-FROM-OPS>                           423080
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       441160
<DISTRIBUTIONS-OF-GAINS>                        127538
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<NUMBER-OF-SHARES-REDEEMED>                     169861
<SHARES-REINVESTED>                              19821
<NET-CHANGE-IN-ASSETS>                         6281546
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                      1135703
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
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<GROSS-EXPENSE>                                1108865
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<PER-SHARE-DISTRIBUTIONS>                          .16
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.48
<EXPENSE-RATIO>                                    .85
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 9
   <NAME> MERRILL LYNCH MASSACHUSETTS MUNICIPAL BOND FUND
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUL-31-1994
<PERIOD-END>                               JUL-31-1994
<INVESTMENTS-AT-COST>                         84103398
<INVESTMENTS-AT-VALUE>                        84445011
<RECEIVABLES>                                  4113327
<ASSETS-OTHER>                                   56632
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                88619970
<PAYABLE-FOR-SECURITIES>                       3510736
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       305946
<TOTAL-LIABILITIES>                            3816682
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      84534452
<SHARES-COMMON-STOCK>                          7293392
<SHARES-COMMON-PRIOR>                          6451943
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<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
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<NET-ASSETS>                                  76435740
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              5037381
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  909377
<NET-INVESTMENT-INCOME>                        4128004
<REALIZED-GAINS-CURRENT>                         21770
<APPREC-INCREASE-CURRENT>                    (3726691)
<NET-CHANGE-FROM-OPS>                           423080
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      3686844
<DISTRIBUTIONS-OF-GAINS>                       1102712
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        1809726
<NUMBER-OF-SHARES-REDEEMED>                    1222971
<SHARES-REINVESTED>                             254694
<NET-CHANGE-IN-ASSETS>                         6281546
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<GROSS-EXPENSE>                                1108865
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<PER-SHARE-NII>                                    .53
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<PER-SHARE-DISTRIBUTIONS>                          .16
<RETURNS-OF-CAPITAL>                                 0
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<EXPENSE-RATIO>                                   1.36
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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