MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND OF MLMSMST
485BPOS, 1998-11-06
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    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 6, 1998
    
                                                SECURITIES ACT FILE NO. 33-49873
                                       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. 6                  [X]
                                                                         
    
                                     AND/OR
     REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940    [X]
                                                                       
   
                               AMENDMENT NO. 168                        [X]
                                                                                
    
                       (CHECK APPROPRIATE BOX OR BOXES)

                                ---------------
                  MERRILL LYNCH MARYLAND 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)

                                (609) 282-2800
              (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)

                                ---------------
                                 ARTHUR ZEIKEL
                MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
                800 SCUDDERS MILL ROAD, PLAINSBORO, NEW JERSEY
                                MAILING ADDRESS:
                P.O. BOX 9081, PRINCETON, NEW JERSEY 08543-9081
                    (NAME AND ADDRESS OF AGENT FOR SERVICE)

                                ---------------
                                   COPIES TO:

   
<TABLE>
<S>                                              <C>
        COUNSEL FOR THE TRUST:                        MICHAEL J. HENNEWINKEL
           BROWN & WOOD LLP                       MERRILL LYNCH ASSET MANAGEMENT
        ONE WORLD TRADE CENTER                          P.O. BOX 9011
      NEW YORK, NEW YORK 10048-0557             PRINCETON, NEW JERSEY 08543-9011
  ATTENTION: THOMAS R. SMITH JR., ESQ.
        BRIAN M. KAPLOWITZ, ESQ.
</TABLE>
    

   
                                ---------------
 IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE (CHECK APPROPRIATE BOX)
               [X] immediately upon filing pursuant to paragraph (b)
               [ ] on (date) pursuant to paragraph (b)
               [ ] 60 days after filing pursuant to paragraph (a)(1)
               [ ] on (date) pursuant to paragraph (a)(1)
               [ ] 75 days after filing pursuant to paragraph (a)(2)
               [ ] on (date) pursuant to paragraph (a)(2) 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.
 
TITLE OF SECURITIES BEING REGISTERED: Shares of Beneficial Interest, par value
$.10 per share.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
    
<PAGE>

   
PROSPECTUS

NOVEMBER 6, 1998
    


                   MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND
   
              OF MERRILL LYNCH MULTI-STATE MUNICIPAL SERIES TRUST
    
  P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011 - PHONE NO. (609) 282-2800
                               ----------------
     Merrill Lynch Maryland Municipal Bond Fund (the "Fund") is a mutual fund
that seeks to provide shareholders with as high a level of income exempt from
Federal and Maryland income taxes as is consistent with prudent investment
management. The Fund invests primarily in a non-diversified portfolio of
long-term, investment grade obligations issued by or on behalf of the State of
Maryland, its political subdivisions, agencies and instrumentalities and
obligations of other qualifying issuers, such as issuers located in Puerto
Rico, the U.S. Virgin Islands and Guam, which pay interest exempt from Federal
and Maryland income taxes ("Maryland Municipal Bonds"). Dividends paid by the
Fund are exempt from Federal and Maryland income taxes to the extent they are
paid from interest on Maryland 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. FOR MORE INFORMATION ON THE FUND'S INVESTMENT OBJECTIVE AND
POLICIES, PLEASE SEE "INVESTMENT OBJECTIVE AND POLICIES" ON PAGE 10.
                               ----------------
     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 (the
"Distributor"), a division of Princeton Funds Distributor, Inc. ("PFD"), P.O.
Box 9081, Princeton, New Jersey 08543-9081 [(609) 282-2800], or from 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 except that for participants in certain fee-based
programs the minimum initial purchase is $250 and the minimum subsequent
purchase is $50. Merrill Lynch may charge its customers a processing fee
(presently $5.35) for confirming purchases and repurchases. Purchases and
redemptions made directly through Financial Data Services, Inc. (the "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 NOR HAS THE 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 November 6, 1998 (the "Statement of Additional
Information"), has been filed with the Securities and Exchange Commission (the
"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 Commission maintains a Web site
(http://www.sec.gov) that contains the Statement of Additional Information,
material incorporated by reference and other information regarding the Fund.
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 -- 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)
                                                           ---------------
<S>                                                        <C>
SHAREHOLDER TRANSACTION EXPENSES:
 Maximum Sales Charge Imposed on Purchases (as a
  percentage of offering price) ..........................       4.00%(c)
 Sales Charge Imposed on Dividend Reinvestments ..........     None
 Deferred Sales Charge (as a percentage of original            
  purchase price or redemption proceeds, whichever is
  lower) .................................................     None(d)
 Exchange Fee ............................................     None
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF
 AVERAGE NET ASSETS):
 Management Fees(g) ......................................       0.55%
 Rule 12b-1 Fees(h):
  Account Maintenance Fees ...............................     None
  Distribution Fees ......................................     None
 
Other Expenses:
 Shareholder Servicing Costs(i) ..........................       0.05%
 Miscellaneous ...........................................       0.61%
                                                                -----
  Total Other Expenses ...................................       0.66%
                                                                -----
Total Fund Operating Expenses(j) .........................       1.21%
                                                                =====



<CAPTION>
                                                                         CLASS B(b)                   CLASS C         CLASS D
                                                           ------------------------------------- ---------------- ---------------
<S>                                                        <C>                                   <C>              <C>
SHAREHOLDER TRANSACTION EXPENSES:
 Maximum Sales Charge Imposed on Purchases (as a
  percentage of offering price) ..........................                None                       None               4.00%(c)
 Sales Charge Imposed on Dividend Reinvestments ..........                None                       None               None
 Deferred Sales Charge (as a percentage of original
  purchase price or redemption proceeds, whichever is      
  lower) ................................................. 4.0% during the first year,           1.0% for one           None(d)  
                                                                decreasing 1.0% annually            year(f)                      
                                                              thereafter to 0.0% after the                                       
                                                                       fourth year                                               
                                                           
 Exchange Fee ............................................               None(e)                     None               None
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF
 AVERAGE NET ASSETS):
 Management Fees(g) ......................................             0.55%                         0.55%              0.55%
 Rule 12b-1 Fees(h):                                                                                      
  Account Maintenance Fees ...............................             0.25%                         0.25%              0.10%
  Distribution Fees ......................................             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:
 Shareholder Servicing Costs(i) ..........................             0.06%                         0.06%              0.05%
 Miscellaneous ...........................................             0.61%                         0.61%              0.61%
                                                                       ----                          ----              -----
  Total Other Expenses ...................................             0.67%                         0.67%              0.66%
                                                                       ----                          ----              -----
Total Fund Operating Expenses(j) .........................             1.72%                         1.82%              1.31%
                                                                       ====                          ====              =====
</TABLE>                                                
    

   
- --------
(a) Class A shares are sold to a limited group of investors including existing
    Class A shareholders and participants in certain fee-based programs. See
    "Purchase of Shares -- Initial Sales Charge Alternatives -- Class A and
    Class D Shares" -- page 23 and "Shareholder Services -- Fee-Based
    Programs" -- page 34.
(b) Class B shares convert to Class D shares automatically approximately ten
    years after initial purchase. See "Purchase of Shares -- Deferred Sales
    Charge Alternatives -- Class B and Class C Shares" -- page 25.
(c) Reduced for purchases of $25,000 and over and waived for purchases of Class
    A shares by participants in connection with certain fee-based programs.
    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 23.
(d) 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 that are not
    subject to an initial sales charge may instead be subject to a CDSC of
    1.0% of amounts redeemed within the first year after purchase. Such CDSC
    may be waived in connection with certain fee-based programs. See
    "Shareholder Services -- Fee-Based Programs" -- page 34.
(e) The CDSC may be modified in connection with certain fee-based programs. See
    "Shareholder Services -- Fee-Based Programs" -- page 34.
(f) The CDSC may be waived in connection with certain fee-based programs. See
    "Shareholder Services -- Fee-Based Programs" -- page 34.
(g) See "Management of the Trust -- Management and Advisory Arrangements" --
    page 20.
(h) See "Purchase of Shares -- Distribution Plans" -- page 28.
(i) See "Management of the Trust -- Transfer Agency Services" -- page 21.
(j) For the fiscal year ended July 31, 1998, Fund Asset Management, L.P., (the
    "Manager") voluntarily waived a portion of the management fees due from
    the Fund and voluntarily reimbursed the Fund for a portion of other
    expenses (excluding Rule 12b-1 fees). Total Fund Operating Expenses in the
    fee table above have been restated to assume the absence of any such
    waiver or reimbursement because the Manager may discontinue or reduce such
    waiver of fees and/or assumption of expenses at any time without notice.
    For the fiscal year ended July 31, 1998 the Manager waived management fees
    and reimbursed expenses totaling 0.48% for Class A shares, 0.49% for Class
    B shares, 0.48% for Class C shares and 0.48% for Class D shares after
    which the Fund's total expense ratio was 0.73% for Class A shares, 1.23%
    for Class B shares, 1.34% for Class C shares and 0.83% for Class D shares.
     
    


                                       2
<PAGE>

EXAMPLE:



   
<TABLE>
<CAPTION>
                                                                                  CUMULATIVE EXPENSES
                                                                                PAID FOR THE PERIOD OF:
                                                                      --------------------------------------------
                                                                       1 YEAR     3 YEARS     5 YEARS     10 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 on page 2, (2) a 5%
 annual return throughout the periods and (3) redemption at the end
 of the period (including any applicable CDSC for Class B and
 Class C shares):
   Class A ........................................................      $52        $77         $104        $181
   Class B ........................................................      $57        $74         $ 93        $203
   Class C ........................................................      $28        $57         $ 99        $214
   Class D ........................................................      $53        $80         $109        $192
An investor would pay the following expenses on the same $1,000
 investment assuming no redemption at the end of the period:
   Class A ........................................................      $52        $77         $104        $181
   Class B ........................................................      $17        $54         $ 93        $203
   Class C ........................................................      $18        $57         $ 99        $214
   Class D ........................................................      $53        $80         $109        $192
</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
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 charges permitted under the
Conduct Rules of the National Association of Securities Dealers, Inc. (the
"NASD"). Merrill Lynch may charge its customers a processing fee (presently
$5.35) for confirming purchases and repurchases. Purchases and redemptions made
directly through the 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(SM) System is used by more than
50 registered investment companies 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 that utilize the Merrill Lynch
Select Pricing(SM) System 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 CDSCs, distribution 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, are 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 CDSCs and distribution fees with respect to the Class B and Class
C shares in that the sales charges and distribution fees 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(SM) 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 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."
 


                                       4
<PAGE>

<TABLE>
<CAPTION>
                                                  ACCOUNT
                                                MAINTENANCE     DISTRIBUTION
 CLASS              SALES CHARGE(1)                 FEE             FEE           CONVERSION FEATURE
<S>       <C>                                  <C>             <C>             <C>
    A           Maximum 4.00% initial               No              No                    No
                 sales charge(2)(3)
- --------------------------------------------------------------------------------------------------------
    B     CDSC for a period of four years,        0.25%           0.25%          B shares convert to
            at a rate of 4.0% during the                                        D shares automatically
               first year, decreasing                                            after approximately
          1.0% annually to 0.0%(4)                                                   ten years(5)
- --------------------------------------------------------------------------------------------------------
    C     1.0% CDSC for one year(6)               0.25%           0.35%                   No
- --------------------------------------------------------------------------------------------------------
    D           Maximum 4.00% initial             0.10%             No                    No
                   sales charge(3)                
</TABLE>

- --------
(1) Initial sales charges are imposed at the time of purchase as a percentage
    of the offering price. 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 and waived for purchases of Class
    A shares by participants in connection with certain fee-based programs.
    Class A and Class D share purchases of $1,000,000 or more may not be
    subject to an initial sales charge but instead may be subject to a 1.0%
    CDSC if redeemed within one year. Such CDSC may be waived in connection
    with certain fee-based programs. See "Class A" and "Class D" below.
(4) The CDSC may be modified in connection with certain fee-based programs.

   
(5) The conversion period for dividend reinvestment shares and certain fee-based
    programs differ. See "Purchase of Shares -- Deferred Sales Charge
    Alternatives -- Class B and Class C Shares -- Conversion of Class B Shares
    to Class D Shares." 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.
    

(6) The CDSC may be waived in connection with certain fee-based programs.

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 of the Fund in a shareholder
      account are entitled to purchase additional Class A shares of the Fund in
      that account. Other eligible investors include participants in certain
      fee-based programs. In addition, Class A shares will be offered at net
      asset value to 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 their directors
      and employees, and to members of the Boards of MLAM-advised mutual funds.
      The maximum initial sales charge of 4.00% is reduced for purchases of
      $25,000 and over and waived for purchases by participants in connection
      with certain fee-based programs. 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 may be subject to a 1.0% CDSC if the shares are
      redeemed within one year after purchase. Such CDSC may be waived in
      connection with redemptions to fund participation in certain fee-based
      programs. Sales charges also are reduced under a right of accumulation
      that 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."

                                       5
<PAGE>

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% and
      an ongoing distribution fee of 0.25% of the Fund's average net
      assets attributable to Class B shares, as well as a CDSC if they are
      redeemed within four years of purchase. Such CDSC may be modified in
      connection with certain fee-based programs. 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
      of 1.0% if they are redeemed within one year after purchase. Such CDSC
      may be waived in connection with certain fee-based programs. Although
      Class C shares are subject to a CDSC for only one year (as compared to
      four years for Class B shares), Class C shares have no conversion feature
      and, accordingly, an investor who purchases Class C shares will be
      subject to account maintenance fees and higher distribution 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. The maximum initial sales charge of 4.00% 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 may be subject to a CDSC of 1.0% if the shares are
      redeemed within one year after purchase. Such CDSC may be waived in
      connection with certain fee-based programs. The schedule of initial sales
      charges and reductions for the Class D shares is the same as the schedule
      for Class A shares, except that there is no waiver for purchases of Class
      D shares in connection with certain fee-based programs. 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."

     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 there is an 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 CDSCs 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 that 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 fiscal year ended
July 31, 1998 and the independent auditors' report thereon appear in the annual
report of the Fund for the fiscal year ended July 31, 1998 (the "Annual Report")
and are incorporated by reference in the Statement of Additional Information.
Further information about the performance of the Fund is contained in the Annual
Report which may be obtained, without charge, by calling or by writing the Trust
at the telephone number or address on the front cover of this Prospectus.

     The following per share data and ratios have been derived from information
provided in the Fund's audited financial statements.

    



   
<TABLE>
<CAPTION>
                                                                        CLASS A
                                               ---------------------------------------------------------
                                                              FOR THE YEAR                    FOR THE
                                                             ENDED JULY 31,                    PERIOD
                                               -------------------------------------------  OCTOBER 29,
                                                                                              1993+ TO
                                                                                              JULY 31,
                                                  1998       1997       1996       1995         1994
                                               ---------- ---------- ---------- ---------- -------------
<S>                                            <C>        <C>        <C>        <C>        <C>
INCREASE (DECREASE) IN NET ASSET VALUE:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period .........  $ 9.66     $ 9.21     $ 9.15     $ 9.20     $  10.00
                                                ------     ------     ------     ------     --------
 Investment income -- net ....................     .47        .48        .47        .52          .37
 Realized and unrealized gain (loss) on
  investments -- net .........................     .14        .45        .06        (.05)        (.80)
                                                ------     ------     ------     -------    ---------
Total from investment operations .............     .61        .93        .53        .47          (.43)
                                                ------     ------     ------     -------    ---------
Less dividends from investment
 income -- net ...............................     (.47)      (.48)      (.47)      (.52)        (.37)
                                                -------    -------    -------    -------    ---------
Net asset value, end of period ...............  $ 9.80     $ 9.66     $ 9.21     $ 9.15     $   9.20
                                                =======    =======    =======    =======    =========
TOTAL INVESTMENT RETURN:**
Based on net asset value per share ...........     6.46%     10.35%      5.85%      5.39%      (4.32%)#
                                                =======    =======    =======    =======    =========
RATIOS TO AVERAGE NET ASSETS:
Expenses, net of reimbursement ...............      .73%       .47%       .37%       .13%         .03%*
                                                =======    =======    =======    =======    =========
Expenses .....................................     1.21%      1.32%      1.26%      1.57%        1.76%*
                                                =======    =======    =======    =======    =========
Investment income -- net .....................     4.80%      5.11%      5.04%      5.80%        5.30%*
                                                =======    =======    =======    =======    =========
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands) .....  $ 2,303    $ 1,928    $ 1,252    $ 1,362    $   1,589
                                                =======    =======    =======    =======    =========
Portfolio turnover ...........................    88.89%     94.90%     81.87%     73.99%      29.40%
                                                =======    =======    =======    =======    =========



<CAPTION>
                                                                          CLASS B
                                               --------------------------------------------------------------
                                                                                                   FOR THE
                                                                                                   PERIOD
                                                                FOR THE YEAR                     OCTOBER 29,
                                                               ENDED JULY 31,                     1993+ TO
                                               -----------------------------------------------    JULY 31,
                                                   1998        1997        1996        1995         1994
                                               ----------- ----------- ----------- ----------- --------------
<S>                                            <C>         <C>         <C>         <C>         <C>
INCREASE (DECREASE) IN NET ASSET VALUE:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period .........   $ 9.66      $ 9.21      $ 9.16      $ 9.20      $  10.00
                                                 ------      ------      ------      ------      --------
 Investment income -- net ....................      .42         .43         .42         .47           .33
 Realized and unrealized gain (loss) on
  investments -- net .........................      .14         .45         .05         (.04)         (.80)
                                                 ------      ------      ------      -------     ---------
Total from investment operations .............      .56         .88         .47         .43           (.47)
                                                 ------      ------      ------      -------     ---------
Less dividends from investment
 income -- net ...............................      (.42)       (.43)       (.42)       (.47)         (.33)
                                                 -------     -------     -------     -------     ---------
Net asset value, end of period ...............   $ 9.80      $ 9.66      $ 9.21      $ 9.16      $   9.20
                                                 =======     =======     =======     =======     =========
TOTAL INVESTMENT RETURN:**
Based on net asset value per share ...........      5.92%       9.79%       5.19%       4.96%       (4.68%)#
                                                 =======     =======     =======     =======     =========
RATIOS TO AVERAGE NET ASSETS:
Expenses, net of reimbursement ...............      1.23%        .97%        .88%        .65%          .53%*
                                                 =======     =======     =======     =======     =========
Expenses .....................................      1.72%       1.82%       1.77%       2.08%         2.27%*
                                                 =======     =======     =======     =======     =========
Investment income -- net .....................      4.29%       4.59%       4.52%       5.29%         4.74%*
                                                 =======     =======     =======     =======     =========
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands) .....   $23,306     $21,851     $22,053     $18,371     $  14,484
                                                 =======     =======     =======     =======     =========
Portfolio turnover ...........................     88.89%      94.90%      81.87%      73.99%       29.40%
                                                 =======     =======     =======     =======     =========
</TABLE>
    

- -------
 + Commencement of operations.
 * Annualized.
** Total investment returns exclude the effects of sales loads.
 # Aggregate total investment return.

                                       8
<PAGE>


   
<TABLE>
<CAPTION>
                                                                             CLASS C
                                                          ----------------------------------------------
                                                                                              FOR THE    
                                                                    FOR THE YEAR               PERIOD    
                                                                   ENDED JULY 31,           OCTOBER 21,  
                                                          --------------------------------    1994+ TO
                                                                                              JULY 31,
                                                             1998       1997       1996         1995
                                                          ---------- ---------- ---------- -------------
<S>                                                       <C>        <C>        <C>        <C>
INCREASE (DECREASE) IN NET ASSET VALUE:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period ....................  $ 9.67     $ 9.22     $ 9.16       $ 8.79
                                                           ------     ------     ------       ------
 Investment income -- net ...............................     .41        .42        .41          .36
 Realized and unrealized gain on investments -- net .....     .13        .45        .06          .37
                                                           ------     ------     ------       ------
Total from investment operations ........................     .54        .87        .47          .73
                                                           ------     ------     ------       ------
Less dividends from investment income -- net ............     (.41)      (.42)      (.41)       (.36)
                                                           -------    -------    -------      ------
Net asset value, end of period ..........................  $ 9.80     $ 9.67     $ 9.22       $ 9.16
                                                           =======    =======    =======      ======
TOTAL INVESTMENT RETURN:**
Based on net asset value per share ......................     5.70%      9.67%      5.18%       8.51%#
                                                           =======    =======    =======      ======
RATIOS TO AVERAGE NET ASSETS:
Expenses, net of reimbursement ..........................     1.34%      1.07%      1.00%        .82%*
                                                           =======    =======    =======      ======
Expenses ................................................     1.82%      1.92%      1.88%       2.08%*
                                                           =======    =======    =======      ======
Investment income -- net ................................     4.19%      4.47%      4.39%       5.08%*
                                                           =======    =======    =======      ======
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands) ................  $ 2,307    $ 2,038    $ 2,229      $1,013
                                                           =======    =======    =======      ======
Portfolio turnover ......................................    88.89%     94.90%     81.87%      73.99%
                                                           =======    =======    =======      ======



<CAPTION>
                                                                             CLASS D
                                                          ---------------------------------------------
                                                                                              FOR THE  
                                                                                              PERIOD   
                                                                    FOR THE YEAR            OCTOBER 21,
                                                                   ENDED JULY 31,            1994+ TO
                                                          --------------------------------   JULY 31,
                                                             1998       1997       1996        1995
                                                          ---------- ---------- ---------- ------------
<S>                                                       <C>        <C>        <C>        <C>
INCREASE (DECREASE) IN NET ASSET VALUE:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period ....................  $ 9.66     $  9.21    $  9.16     $  8.79
                                                           ------     -------    -------     -------
 Investment income -- net ...............................     .46         .47        .46         .40
 Realized and unrealized gain on investments -- net .....     .14         .45        .05         .37
                                                           ------     -------    -------     -------
Total from investment operations ........................     .60         .92        .51         .77
                                                           ------     -------    -------     -------
Less dividends from investment income -- net ............    (.46)       (.47)      (.46)       (.40)
                                                           -------    --------   --------    -------
Net asset value, end of period ..........................  $ 9.80     $  9.66    $  9.21     $  9.16
                                                           =======    ========   ========    =======
TOTAL INVESTMENT RETURN:**
Based on net asset value per share ......................     6.35%      10.24%      5.63%      8.94%#
                                                           =======    ========   ========    =======
RATIOS TO AVERAGE NET ASSETS:
Expenses, net of reimbursement ..........................      .83%        .56%       .47%       .31%*
                                                           =======    ========   ========    =======
Expenses ................................................     1.31%       1.41%      1.36%      1.55%*
                                                           =======    ========   ========    =======
Investment income -- net ................................     4.70%       5.00%      4.91%      5.57%*
                                                           =======    ========   ========    =======
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands) ................  $ 1,107    $    883   $    647    $   517
                                                           =======    ========   ========    =======
Portfolio turnover ......................................    88.89%      94.90%     81.87%     73.99%
                                                           =======    ========   ========    =======
</TABLE>
    

- -------
 + Commencement of operations.
 * Annualized.
** Total investment returns exclude the effects of sales loads.
 # Aggregate total investment return.

                                       9
<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 Maryland 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 State of Maryland, its political subdivisions, agencies and
instrumentalities and obligations of other qualifying issuers, such as issuers
located in Puerto Rico, the U.S. Virgin Islands and Guam, which pay interest
exempt, in the opinion of bond counsel to the issuer, from Federal and Maryland
income taxes. Obligations exempt from Federal income taxes are referred to
herein as "Municipal Bonds" and obligations exempt from both Federal and
Maryland income taxes are referred to as "Maryland Municipal Bonds." Unless
otherwise indicated, references to Municipal Bonds shall be deemed to include
Maryland Municipal Bonds. The Fund at all times, except during temporary
defensive periods, will maintain at least 65% of its total assets invested in
Maryland 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 Fund may also
invest in variable rate demand obligations ("VRDOs"). 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 ("Standard & Poor's")
(currently AAA, AA, A and BBB) or Fitch IBCA, 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. Municipal 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
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
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


                                       10
<PAGE>

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 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 Maryland income taxes. However, to the extent that
suitable Maryland 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 Maryland, taxation. 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
such investments are permitted by the Investment Company Act of 1940, as
amended (the "1940 Act"). Other Non-Municipal Tax-Exempt 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 Maryland 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-3/VMIG-3 for notes and VRDOs and Prime-1 through Prime-3 for commercial
paper (as determined by Moody's), SP-1 through SP-2 for notes and A-1 through
A-3 for VRDOs and commercial paper (as determined by Standard &
    


                                       11
<PAGE>

Poor's), or F-1 through F-3 for notes, VRDOs and 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 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 Maryland
income taxes by investing in a professionally managed portfolio consisting
primarily of long-term Maryland 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 MUNICIPAL 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 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."

     Moreover, the Fund ordinarily will invest at least 65% of its total assets
in Maryland Municipal Bonds, and therefore it is more susceptible to factors
adversely affecting issuers of Maryland Municipal Bonds than is a tax-exempt
mutual fund that is not concentrated in issuers of Maryland Municipal Bonds to
this degree.

   
     After enjoying rapid economic growth in the 1980's, Maryland has
experienced declining rates of growth in the 1990's. Despite this trend, per
capita income for residents of Maryland exceeds per capita income in the United
States.

     On June 30, 1995, the State of Maryland's General Fund, representing
approximately 55% of each year's total budget, contained a surplus on a
budgetary basis of $26.5 million (after reservation of $106 million for fiscal
year 1996 expenses) and the Revenue Stabilization Account of the State Reserve
Fund contained $286.1 million. In April 1995 the State's General Assembly
approved a $14.4 billion budget for fiscal year 1996, which budget did not
include any expenditures based upon additional revenue from new or broad-based
taxes, but included a $270 million appropriation to the State Reserve Fund,
including $200 million to the Revenue Stabilization Account. When the fiscal
year 1996 budget was enacted, the State projected that it would end the fiscal
year with a General Fund surplus of $3.1 million. In December 1995 and March
1996 the State lowered its estimates of General Fund revenues by a total of
$148 million. To address this reduction in revenues the State, among other
things, reduced General Fund appropriations and transferred $57 million from
the Revenue Stabilization Account. The balance in the Revenue Stabilization
Account on June 30, 1996, taking into account this transfer, was $461.2
million. The State ended fiscal year 1997 with a General Fund surplus on a
budgetary basis at
    


                                       12
<PAGE>

   
June 30, 1997 of $207.2 million, in addition to which there was $490.1 million
in the Revenue Stabilization Account of the State Reserve Fund.

     In April 1997 the General Assembly approved a $15.4 billion 1998 fiscal
year budget. This budget (i) included funds sufficient to meet all specific
statutory funding requirements; (ii) incorporated the first year of a five-year
phase-in of a 10% reduction in personal income taxes (estimated to reduce
revenues by $38.5 million in fiscal year 1998 and $450 million when fully
phased in) and certain reductions in sales taxes on certain manufacturing
equipment (estimated to reduce revenues by $38.6 million when the reductions
are fully phased-in during fiscal year 2001); and (iii) included the first
year's $30 million funding under an agreement to provide additional funds
totaling $230 million over a five-year period to schools in the City of
Baltimore and related grants to other subdivisions totaling $32 million. When
this budget was enacted, the State estimated the General Fund surplus on a
budgetary basis would be $28.2 million, in addition to which the State
projected that there would be a balance of $532 million in the Revenue
Stabilization Account of the State Reserve Fund. The General Fund surplus on a
budgetary basis at June 30, 1998 was $420 million. In addition, the balance in
the Revenue Stabilization Account of the State Reserve Fund was $617.9 million
at June 30, 1998.

     The Budget approved for fiscal year 1999 included, among other things:
sufficient funds to meet all specific statutory funding requirements; sufficient
funds to meet the actuarial recommended contributions for the seven retirement
systems; sufficient general funds to the Annuity Bond Fund for debt service on
general obligation bonds to maintain the State property tax rate; $3.3 billion
in direct aid to local governments and retirement contributions; and net general
fund deficiency appropriations of $75.5 million for fiscal year 1998, which
include $25 million for computer programming modifications to address the "Year
2000" problem. Based on the 1999 Budget, it is currently estimated that the
General Fund surplus on a budgetary basis at June 30, 1999, will be
approximately $117 million. In addition, the balance in the Revenue
Stabilization Account of the State Reserve Fund is estimated to be $635 million
at June 30, 1999 (after $185.2 million is transferred to the General Fund).
    

     The value of Municipal Bonds generally may be affected by uncertainties in
the municipal markets as a result of legislation or litigation changing the
taxation of Municipal Bonds or the rights of Municipal Bond holders in the
event of bankruptcy. Municipal bankruptcies are rare, and certain provisions of
the U.S. Bankruptcy Code governing such bankruptcies are unclear. Further, the
application of state law to Municipal Bond issuers could produce varying
results among the states or among Municipal Bond Issuers within a state. These
uncertainties could have a significant impact on the prices of the Maryland
Municipal Bonds or Municipal Bonds in which the Fund invests.

     The Manager does not believe that the current economic conditions in
Maryland or other factors described above will have a significant adverse
effect on the Fund's ability to invest in high quality Maryland Municipal
Bonds. Because the Fund's portfolio will be comprised primarily of investment
grade securities, the Fund is expected to be less subject to market and credit
risks than a fund that invests primarily in lower quality Maryland Municipal
Bonds. See "Description of Municipal Bonds" in the Statement of Additional
Information and see also Appendix I -- "Economic and Financial Conditions in
Maryland" 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 bonds are issued by or on behalf of public authorities to finance various
privately operated facilities, including


                                       13
<PAGE>

certain facilities for the local furnishing of electric energy or gas, sewage
facilities, solid waste disposal facilities and other specialized facilities.
For purposes of this Prospectus, such obligations are referred to as Municipal
Bonds if the interest paid thereon is excluded from gross income for purposes
of Federal income taxation and, as Maryland Municipal Bonds if the interest
thereon is exempt from Federal and Maryland income taxes, even though such
bonds may be "private activity bonds" as discussed below.

     The two principal classifications of Municipal Bonds are "general
obligation" and "revenue" bonds which latter category includes industrial
development bonds ("IDBs") and, for bonds issued after August 15, 1986, 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 its state constitution or laws, and an entity's creditworthiness
will depend on many factors, including potential erosion of its 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's 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 economic viability of
such facility or such revenue source.

     The Fund may purchase IDBs and private activity bonds. IDBs and private
activity bonds are, in most cases, 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. IDBs and private activity bonds are generally not
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 generally 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 entity's dependence on revenues for the
operation of the particular facility being financed. The Fund may also invest
in so-called "moral 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 state or municipality in question.

     The Fund may invest in Municipal Bonds (and Non-Municipal Tax-Exempt
Securities) 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. Interest and principal payable on the Municipal
Bonds may also be based on relative changes among particular indices. Also, the
Fund


                                       14
<PAGE>

may invest in so-called "inverse floating obligations" or "residual interest
bonds" on which the interest rates typically decline as short-term market rates
increase and increase as short-term market rates decline. The Fund's return on
such types of Municipal Bonds (and Non-Municipal Tax-Exempt Securities) will be
subject to risk with respect to the value of the particular index, which may
include reduced or eliminated interest payments and losses of invested
principal. 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. 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 total assets. The Manager believes, however, that indexed and inverse
floating obligations represent flexible portfolio management instruments for
the Fund which allow the Fund to seek potential investment rewards, hedge other
portfolio positions or to vary the degree of investment leverage relatively
efficiently under different market conditions.

     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 frequently
is 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 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 15% of the Fund's total 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 obligations rated below
investment grade, the Manager must, among other things, also review the
creditworthiness of the state or political subdivision 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.

     The value of bonds and other fixed-income obligations may fall when
interest rates rise and rise when interest rates fall. In general, bonds and
other fixed-income obligations with longer maturities will be subject to


                                       15
<PAGE>

greater volatility resulting from interest rate fluctuations than will similar
obligations with shorter maturities. Under normal conditions, it is generally
anticipated that the Fund's average weighted maturity would be in excess of ten
years.

     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 of
holding both the Call Right and the related Municipal Bond is identical to that
of 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 total 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 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 liquid securities 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
(including puts and calls associated therewith) 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."
    


                                       16
<PAGE>

     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 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) only 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 liquid securities in a segregated account with the Fund's custodian,
so that the amount so segregated


                                       17
<PAGE>

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 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 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 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.
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 15% of the
Fund's total assets. In the event of a default by the seller under a repurchase
agreement, a Fund may suffer time delays and incur costs or possible losses in
connection with the disposition of the underlying securities.


INVESTMENT RESTRICTIONS

     The Fund's investment activities are subject to further restrictions that
are described in the Statement of Additional Information. Investment
restrictions and policies which are fundamental policies 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 which means the lesser of (i) 67%
of the shares represented at a meeting at which more than 50% of the
outstanding shares are represented or (ii) more than 50% of the outstanding
shares. Among its fundamental policies, the Fund may not invest more than 25%
of its assets, taken at market value at the time of each investment, 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 to
be part of any industry). Investment restrictions and policies that are
non-fundamental policies may be changed by


                                       18
<PAGE>

the Board of Trustees without shareholder approval. As a non-fundamental
policy, the Fund may not 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.

     As a non-fundamental policy, the Fund will not 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.

     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 "Distributions and Taxes --
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.

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


                            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 of the Trust are:

     ARTHUR ZEIKEL* -- Chairman of the Manager and its affiliate, MLAM;
Chairman and Director of Princeton Services, Inc. ("Princeton Services");
Executive Vice President of ML & Co.
    

     JAMES H. BODURTHA -- Director and Executive Vice President, The China
Business Group, Inc.

                                       19
<PAGE>

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

     ROBERT R. MARTIN -- 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 an affiliate of MLAM and 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 Merrill Lynch Asset
Management Group (which includes the Manager) acts as the investment adviser
for more than 100 registered investment companies and offers portfolio
management services to individuals and institutions. As of September 1998, the
Asset Management Group had a total of approximately $467.2 billion in
investment company and other portfolio assets under management. This amount
includes assets managed for 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.

   
     Hugh T. Hurley, III is the Portfolio Manager for the Fund and has been
responsible for the day-to-day management of the Fund's investment portfolio
since 1998. Mr. Hurley has been a Vice President of MLAM since 1996, an
Assistant Vice President of MLAM from 1993 to 1996 and was a Municipal Bond
Broker with Titus & Donnelley Municipal Bond Brokers from 1990 to 1993.

     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 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, 1998, the
total fee payable by the Fund to the Manager was $147,950 (based on average
daily net assets of approximately $26.8 million), of which $120,685 was
voluntarily waived.

     The Management Agreement obligates the Trust on behalf of 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. The Manager may waive
all or a portion of its management fee and may voluntarily assume all or a
portion of the Fund's expenses. For the fiscal year ended July 31, 1998, the
Fund reimbursed the Manager $31,159 for accounting services. For the fiscal
year ended July 31, 1998, the ratio of total expenses to average net assets was
1.21%, 1.72%, 1.82%, and 1.31% for Class A, Class B, Class C, and Class D
shares, respectively.
    


                                       20
<PAGE>

CODE OF ETHICS

     The Board of Trustees of the Trust has adopted a Code of Ethics under Rule
17j-1 of the 1940 Act which incorporates the Code of Ethics of the Manager
(together, the "Codes"). The Codes significantly restrict the personal
investing activities of all employees of the Manager and, as described below,
impose additional, more onerous, restrictions on fund investment personnel.

     The Codes require that all employees of the Manager preclear any personal
securities investment (with limited exceptions, such as government securities).
The preclearance requirement and associated procedures are designed to identify
any substantive prohibition or limitation applicable to the proposed
investment. The substantive restrictions applicable to all employees of the
Manager include a ban on acquiring any securities in a "hot" initial public
offering and a prohibition from profiting on short-term trading in securities.
In addition, no employee may purchase or sell any security that at the time is
being purchased or sold (as the case may be), or to the knowledge of the
employee is being considered for purchase or sale, by any fund advised by the
Manager. Furthermore, the Codes provide for trading "blackout periods" which
prohibit trading by investment personnel of the Fund within periods of trading
by the Fund in the same (or equivalent) security (15 or 30 days depending upon
the transaction).


TRANSFER AGENCY SERVICES

   
     The Transfer Agent, which is a subsidiary of ML&Co., acts as the Fund'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 Transfer Agent receives an annual fee of up to $11.00 per Class A or Class
D account and up to $14.00 per Class B or Class C account, and is entitled to
reimbursement for certain transaction charges and out-of-pocket expenses
incurred by the Transfer Agent under the Transfer Agency Agreement.
Additionally, a $.20 monthly closed account charge will be assessed on all
accounts which close during the calendar year. Application of this fee will
commence the month following the month the account is closed. At the end of the
calendar year, no further fees will be due. For purposes of the Transfer Agency
Agreement, the term "account" includes a shareholder account maintained
directly by the Transfer Agent and any other account representing the
beneficial interest of a person in the relevant share class on a recordkeeping
system, provided the recordkeeping system is maintained by a subsidiary of
ML&Co. For the fiscal year ended July 31, 1998, the total fee paid by the Fund
to the Transfer Agent was $15,009 pursuant to the Transfer Agency Agreement.
    


                               PURCHASE OF SHARES

   
     The Distributor, an affiliate of each of the Manager, MLAM 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, except that for shareholders who are participants
in certain fee-based programs, the minimum initial purchase is $250 and the
minimum subsequent purchase is $50.
    

     The Fund is offering 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(SM) 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


                                       21
<PAGE>

dealers prior to the close of business on the New York Stock Exchange (the
"NYSE") (generally 4:00 p.m., New York time), which includes orders received
after the close of business on the previous day, the applicable offering price
will be based on the net asset value determined as of 15 minutes after the
close of business on the NYSE on that day, provided the Distributor in turn
receives the order from the securities dealer prior to 30 minutes after the
close of business on the NYSE on that day. If the purchase orders are not
received by the Distributor prior to 30 minutes after the close of business on
the NYSE on that day, such orders shall be deemed received on the 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 $5.35) to confirm a sale of shares to
such customers. Purchases made 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, ongoing distribution fees and higher
account maintenance fees. A discussion of the factors that investors should
consider in determining the method of purchasing shares under the Merrill Lynch
Select Pricing(SM) 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 CDSCs, distribution 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, are imposed directly against those classes and not against
all assets of the Fund and, accordingly, such charges do 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 are
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 (except that Class B shareholders may vote upon any material changes to
expenses charged under the Class D Distribution Plan). 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 CDSCs and distribution fees with respect to Class B and Class C shares
in that the sales charges and distribution fees 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, that are
eligible to sell shares.


                                       22
<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              CONVERSION
 CLASS             SALES CHARGE(1)                 FEE              FEE                   FEATURE
<S>       <C>                                 <C>             <C>              <C>
    A       Maximum 4.00% initial sales            No              No                        No
                    charge(2)(3)
- -------------------------------------------------------------------------------------------------------------
    B        CDSC for a period of four           0.25%            0.25%         B shares convert to D shares
          years, at a rate of 4.0% during                                           automatically after
          the first year, decreasing 1.0%                                        approximately ten years(5)
                annually to 0.0%(4)                                    
- -------------------------------------------------------------------------------------------------------------
    C     1.0% CDSC for one year(6)              0.25%            0.35%                      No
- -------------------------------------------------------------------------------------------------------------
    D       Maximum 4.00% initial sales          0.10%             No                        No
                     charge(3)                   
</TABLE>

- --------
(1) Initial sales charges are imposed at the time of purchase as a percentage
    of the offering price. 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 "Initial Sales Charge Alternatives
    -- Class A and Class D Shares -- Eligible Class A Investors."
   
(3) Reduced for purchases of $25,000 or more and waived for purchases of Class
    A shares by participants in connection with certain fee-based programs.
    Certain Class A and Class D share purchases of $1,000,000 or more may not
    be subject to an initial sales charge but instead may be subject to a 1.0%
    CDSC if redeemed within one year. Such CDSC may be waived in connection
    with certain fee-based programs.  (4) The CDSC may be modified in connection
    with certain fee-based programs.
(5) The conversion period for dividend reinvestment shares and certain
    fee-based programs may differ. See "Deferred Sales Charge Alternatives--
    Class B and Class C Shares--Conversion of Class B Shares to Class D Shares."
    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.
    
(6) The CDSC may be waived in connection with certain fee-based programs.



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 SHARES 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 alternatives is the next determined net asset
value plus varying sales charges (I.E., sales loads), as set forth below.



<TABLE>
<CAPTION>
                                                                  SALES CHARGE AS        DISCOUNT TO
                                              SALES CHARGE AS      PERCENTAGE* OF      SELECTED DEALERS
                                               PERCENTAGE OF       THE NET AMOUNT      AS PERCENTAGE OF
AMOUNT OF PURCHASE                             OFFERING PRICE         INVESTED        THE 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
</TABLE>

   
(FOOTNOTES ON NEXT PAGE)
    

                                       23
<PAGE>

- --------
 * Rounded to the nearest one-hundredth percent.
   
** The initial sales charge may be waived on certain Class A and Class D
   purchases of $1,000,000 or more and on Class A purchases by certain
   participants in connection with certain fee-based programs. If the sales
   charge is waived in connection with a purchase of $1,000,000 or more, such
   purchases may be subject to a 1.0% CDSC if the shares are redeemed within
   one year after purchase. Such CDSC may be waived in connection with certain
   fee-based programs. 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.


     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 (the "Securities Act"). The proceeds from account maintenance fees
are used to compensate the Distributor and Merrill Lynch (pursuant to a
sub-agreement) for providing continuing account maintenance activities. For the
fiscal year ended July 31, 1998, the Fund sold 86,747 Class A shares for
aggregate net proceeds of $841,841. The gross sales charges for the sale of
Class A shares of the Fund for the year were $2,848, of which $193 and $2,655
were received by the Distributor and Merrill Lynch, respectively. For the
fiscal year ended July 31, 1998, 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. For the fiscal year ended July 31,
1998, the Fund sold 53,290 Class D shares for aggregate net proceeds of
$520,726. The gross sales charges for the sale of Class D shares of the Fund
for the year were $8,295 of which $919 and $7,376 were received by the
Distributor and Merrill Lynch, respectively. For the fiscal year ended July 31,
1998, the Distributor received no CDSCs with respect to redemption within one
year after purchase of Class D 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 of the
Fund in a shareholder account are entitled to purchase additional Class A shares
of the Fund in that account. Class A shares are available at net asset value to
corporate warranty insurance reserve fund programs and U.S. branches of foreign
banking institutions provided that the program or branch 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, collective investment trusts for which Merrill
Lynch Trust Company serves as trustee, and purchases made in connection with
certain fee-based programs. In addition, Class A shares are 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 Trust.
Certain persons who acquired shares of certain MLAM-advised closed-end funds in
their initial offerings 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 or Class D shares of the Fund if certain conditions set forth
in the Statement of Additional Information are met. In addition, 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. and, if
certain conditions set forth in the Statement of Additional Information are met,
to shareholders of Merrill Lynch Municipal Strategy Fund, Inc. and Merrill Lynch
High Income Municipal Bond Fund, Inc. who wish to reinvest the net proceeds from
a sale of certain of their shares of common stock, pursuant to a tender offer
conducted by such funds in shares of the Fund and certain other MLAM-advised
mutual 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


                                       24
<PAGE>

   
at net asset value to certain eligible Class A investors as set forth above
under "Eligible Class A Investors." See "Shareholder Services -- Fee-Based
Programs."

     Provided applicable threshold requirements are met, either Class A or
Class D shares are offered at net asset value to Employee Access(SM) Accounts
available through authorized employers. Class A shares are offered at net asset
value to shareholders of Merrill Lynch Senior Floating Rate Fund, Inc. and,
subject to certain conditions, Class A and Class D shares are offered at net
asset value to shareholders of Merrill Lynch Municipal Strategy Fund, Inc. and
Merrill Lynch High Income Municipal Bond Fund, Inc. who wish to reinvest in
shares of the Fund the net proceeds from a sale of certain of their shares of
common stock, pursuant to tender offers conducted by those funds.

     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.


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
which declines each year, 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 Class B and Class C shares are subject to distribution fees 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
the Distributor and Merrill Lynch (pursuant to a sub-agreement) 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) that are paid from the dealers'
own funds. These expenses relate to providing distribution-related services to
the Fund in connection with the sale of Class B and Class C shares, such as the
payment of compensation to financial consultants for selling such shares. 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
    


                                       25
<PAGE>

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. 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 that
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 redemption or the cost of the shares being redeemed. Accordingly,
no CDSC will be imposed on increases in net asset value above the initial
purchase price. In addition, no CDSC 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
         YEAR SINCE PURCHASE               DOLLAR AMOUNT
             PAYMENT MADE                SUBJECT TO CHARGE
- -------------------------------------   ------------------
<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, 1998, the Distributor received CDSCs of
approximately $39,627 with respect to redemptions of Class B shares, all of
which were paid to Merrill Lynch. Additional CDSCs payable to the Distributor
may have been waived or converted to a contingent obligation in connection with
a shareholder's participation in certain fee-based programs.
    

     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 Class B 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 a CDSC because of dividend reinvestment. With respect to
the remaining 40 shares, the CDSC 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).


                                       26
<PAGE>

     The Class B CDSC is waived on redemptions of shares following the death or
disability (as defined in the Code) of a shareholder. The Class B CDSC also is
waived for any Class B shares that are purchased within qualifying Employee
Access(SM) Accounts. Additional information concerning the waiver of the Class B
CDSC is set forth in the Statement of Additional Information. The terms of the
CDSC may be modified in connection with certain fee-based programs. See
"Shareholder Services -- Fee-Based Programs."

   
     CONTINGENT DEFERRED SALES CHARGES -- CLASS C SHARES. Class C shares that
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. For the fiscal year ended July 31,
1998, the Distributor received CDSCs of approximately $150 with respect to
redemptions of Class C shares, all of which were paid to Merrill Lynch. The
Class C CDSC may be waived in connection with certain fee-based programs. See
"Shareholder Services -- Fee-Based Programs."
    

     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


                                       27
<PAGE>

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 onto the holding period for the shares acquired.

     The Conversion Period also may be modified for investors who participate
in certain fee-based programs. See "Shareholder Services -- Fee-Based
Programs."


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.

     The Distribution Plans for Class B, Class C and Class D shares each
provides 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.

   
     For the fiscal year ended July 31, 1998, the Fund paid the Distributor
$109,411 pursuant to the Class B Distribution Plan (based on average daily net
assets subject to such Class B Distribution Plan of approximately $21.8
million), all of which was paid to Merrill Lynch for providing account
maintenance and distribution-related activities and services in connection with
Class B shares. For the fiscal year ended July 31, 1998, the Fund paid the
Distributor $11,544 pursuant to the Class C Distribution Plan (based on average
daily net assets subject to such Class C Distribution Plan of approximately
$1.9 million), all of which was paid to Merrill Lynch for providing account
maintenance and distribution-related activities and services in connection with
Class C shares. For the fiscal year ended July 31, 1998, the Fund paid the
Distributor $963 pursuant to the Class D Distribution Plan (based on average
daily net assets subject to such Class D Distribution Plan of approximately
$1.0 million), all of which was paid to Merrill Lynch for providing account
maintenance activities in connection with Class D shares.
    

     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


                                       28
<PAGE>

   
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 CDSCs 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 CDSCs, and the expenses consist of financial consultant
compensation. As of December 31, 1997, the fully allocated accrual expenses
incurred by the Distributor and Merrill Lynch for the period since the
commencement of operations of Class B shares exceeded fully allocated accrual
revenues by approximately $452,000 (2.13% of Class B net assets at that date).
As of July 31, 1998, direct cash revenues for the period since the commencement
of operations of Class B shares exceeded direct cash expenses by $205,593 (.88%
of Class B net assets at that date). As of December 31, 1997, the fully
allocated accrual expenses incurred by the Distributor and Merrill Lynch for
the period since the commencement of operations of Class C shares exceeded
fully allocated accrual revenues by approximately $4,000 (.23% of Class C net
assets at that date). As of July 31, 1998, direct cash revenues for the period
since the commencement of operations of Class C shares exceeded direct cash
expenses by $25,846 (1.12% of Class C net assets at that date).
    


LIMITATIONS ON THE PAYMENT OF DEFERRED SALES CHARGES

     The maximum sales charge rule in the Conduct Rules 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.

     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


                                       29
<PAGE>

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."


                              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 that may be applicable, there will be
no charge for redemption if the redemption request is sent directly to the
Transfer Agent. Shareholders liquidating their 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., P.O. Box 45289, Jacksonville, Florida 32232-5289. Redemption requests
delivered other than by mail should be delivered to Financial Data Services,
Inc., 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 redemption request 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, as
amended, 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 NYSE (generally, the NYSE closes at 4:00 p.m., Eastern time) on the day
received and such request is received by the Trust from such dealer not later
than 30 minutes after the close of business on the NYSE, on the same day.
Dealers have the responsibility of submitting such repurchase requests to the
Trust not later than 30 minutes after the close of business on the NYSE, in
order to obtain that day's closing price.
    


                                       30
<PAGE>

     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 that 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 $5.35) to confirm a
repurchase of shares to such customers. Repurchases made directly through the
Fund's Transfer Agent are not subject to the processing fee. The Trust reserves
the right to reject any order for 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. Redemption payments will be
made within seven days of the proper tender of the certificates, if any, and
stock power or letter requesting redemption, in each instance with signatures
guaranteed as noted above.


REINSTATEMENT PRIVILEGE -- CLASS A AND CLASS D SHARES

     Shareholders who have redeemed their Class A or Class D shares have a
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. Alternatively, the
reinstatement privilege may be exercised through the investor's Merrill Lynch
Financial Consultant 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.


                              SHAREHOLDER SERVICES

     The Trust offers a number of shareholder services and investment plans
described below that are 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 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 capital gains 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 or her 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 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
    


                                       31
<PAGE>

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. If the new brokerage firm is willing to
accommodate the shareholder in this manner, the shareholder must request that
he or she be issued certificates for such shares and then must turn the
certificates over to the new firm for re-registration as described in the
preceding sentence.


EXCHANGE PRIVILEGE

   
     U.S. shareholders of each class of shares of the Fund have an exchange
privilege with certain other MLAM-advised mutual funds and Summit Cash Reserves
("Summit"), a Merrill Lynch-sponsored money market fund specifically designated
as available for exchange by holders of Class A, Class B, Class C and Class D
shares of 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
the 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 or her 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 are exchangeable with shares of the
same class of other MLAM-advised mutual funds.

   
     Shares of the Fund that are subject to a CDSC are 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 for the newly acquired
shares of the other fund.

     Class A and Class D shares are exchangeable for Class A shares of, and
Class B and Class C shares are exchangeable for Class B shares of, Summit.
Class A shares of Summit have an exchange privilege back into Class A or Class
D shares of MLAM-advised mutual funds; Class B shares of Summit have an
exchange privilege back into Class B or Class C shares of MLAM-advised mutual
funds and, in the event of such an exchange, the period of time that Class B
shares of Summit are held will count toward satisfaction of the holding period
requirement for purposes of reducing any CDSC and, with respect to Class B
shares, toward satisfaction of any Conversion
    


                                       32
<PAGE>

   
Period. Class B shares of Summit will be subject to a distribution fee at an
annual rate of 0.75% of average daily net assets of such Class B shares. This
exchange privilege does not apply with respect to certain Merrill Lynch
fee-based programs, for which alternative exchange arrangements may exist.
Please see your Merrill Lynch Financial Consultant for further information.

     Prior to October 12, 1998, exchanges from the Fund and other MLAM-advised
mutual funds into a money market fund were directed to certain Merrill
Lynch-sponsored money market funds other than Summit. Shareholders who
exchanged shares of a MLAM-advised mutual fund for shares of such other money
market funds and subsequently wish to exchange those money market fund shares
for shares of the Fund will be subject to the CDSC schedule applicable to such
Fund shares, if any. The holding period for those money market fund shares will
not count toward satisfaction of the holding period requirement for reduction
of the CDSC imposed on such shares, if any, and, with respect to Class B
shares, toward satisfaction of the Conversion Period. However, the holding
period for Class B or Class C shares received in exchange for such money market
fund shares will be aggregated with the holding period for the original shares
for purposes of reducing the CDSC or satisfying 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 of the exchanged
shares and a purchase of the acquired shares for Federal income tax purposes.
For further information, see "Shareholder Services -- Exchange Privilege" in
the Statement of Additional Information.

   
     The Fund's exchange privilege is modified with respect to purchases of
Class A and Class D shares by non-retirement plan investors under the Merrill
Lynch Mutual Fund Advisor (Merrill Lynch MFA(SM)) program (the "MFA program").
First, the initial allocation of assets is made under the MFA program. Then, any
subsequent exchange under the MFA program of Class A or Class D shares of a
MLAM-advised mutual fund for Class A or Class D shares of the Fund will be made
solely on the basis of the relative net asset values of the shares being
exchanged. Therefore, there will not be a charge for any difference between the
sales charge previously paid on the shares of the other MLAM-advised mutual fund
and the sales charge payable on the shares of the Fund being acquired in the
exchange under the MFA program.
    

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 to Merrill Lynch, if the shareholder's account is maintained with
Merrill Lynch, or by written notification or by telephone (1-800-MER-FUND) to
the Transfer Agent, if the shareholder's account is maintained with 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 on or about the payment date (provided that, in
the event that a payment on an account maintained at the Transfer Agent would
amount to $10.00 or less, a shareholder will not receive such payment in cash
and such payment will automatically be reinvested in additional shares). Cash
payments can also be directly deposited to the 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. The Fund is
not responsible
    

                                       33
<PAGE>
   
for any failure of delivery to the shareholder's address of record and no
interest will accrue on amounts represented by uncashed distribution or
redemption checks.
    

SYSTEMATIC WITHDRAWAL PLANS

   
     A shareholder may elect to receive systematic withdrawal payments from his
or her Investment Account through automatic payment by check or through
automatic payment by direct deposit to his or her bank account on either a
monthly or quarterly basis. Alternatively, a 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 CMA(R) or
CBA(R) Systematic Redemption Program, subject to certain conditions. With
respect to redemptions of Class B or Class C shares pursuant to a systematic
withdrawal plan, the maximum number of Class B or Class C shares that can be
redeemed from an account annually shall not exceed 10% of the value of shares of
such class in that account at the time the election to join the systematic
withdrawal plan was made. Any CDSC that otherwise might be due on such
redemption of Class B or Class C shares will be waived. Shares redeemed pursuant
to a systematic withdrawal plan will be redeemed in the same order as Class B or
Class C shares are otherwise redeemed. See "Purchase of Shares -- Deferred Sales
Charge Alternatives -- Class B and Class C Shares -- Contingent Deferred Sales
Charges -- Class B Shares" and " -- Contingent Deferred Sales Charges -- Class C
Shares." Where the systematic withdrawal plan is applied to Class B shares, upon
conversion of the last Class B shares in an account to Class D shares, the
systematic withdrawal plan will be applied thereafter to Class D shares if the
shareholder so elects. See "Purchase of Shares -- Deferred Sales Charge
Alternatives -- Class B and Class C Shares -- Conversion of Class B Shares to
Class D Shares."
    


AUTOMATIC INVESTMENT PLANS

     Regular additions of Class A, Class B, Class C and Class D shares may be
made to an investor's Investment Account by prearranged charges of $50 or more
to his or her regular bank account. Alternatively, investors who maintain
CMA(R) or CBA(R) accounts may arrange to have periodic investments made in the
Fund in their CMA(R) or CBA(R) account or in certain related accounts in
amounts of $100 or more through the CMA(R) or CBA(R) Automated Investment
Program.


FEE-BASED PROGRAMS

     Certain Merrill Lynch fee-based programs, including pricing alternatives
for securities transactions (each referred to in this paragraph as a
"Program"), may permit the purchase of Class A shares at net asset value. Under
specified circumstances, participants in certain Programs may deposit other
classes of shares which will be exchanged for Class A shares. Initial or
deferred sales charges otherwise due in connection with such exchanges may be
waived or modified, as may the Conversion Period applicable to the deposited
shares. Termination of participation in a Program may result in the redemption
of shares held therein or the automatic exchange thereof to another class at
net asset value, which may be shares of a money market fund. In addition, upon
termination of participation in a Program, shares that have been held for less
than specified periods within such Program may be subject to a fee based upon
the current value of such shares. These Programs also generally prohibit such
shares from being transferred to another account at Merrill Lynch, to another
broker-dealer or to the Transfer Agent. Except in limited circumstances (which
may also involve an exchange as described above), such shares must be redeemed
and another class of shares purchased (which may involve the imposition of
initial or deferred sales charges and distribution and account maintenance
fees) in order for the investment not to be subject to Program fees. Additional
information regarding a specific Program (including charges and limitations on
transferability 
                                       34
<PAGE>

applicable to shares that may be held in such Program) is available in such
Program's client agreement and from the Transfer Agent at (800) MER-FUND or
(800) 637-3863.


                             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 or commission), 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 principal 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 Fund may not purchase securities, including Municipal Bonds,
during the existence of any underwriting syndicate of which Merrill Lynch is a
member or in a private placement in which Merrill Lynch serves as placement
agent except pursuant to procedures approved by the Trustees of the Trust which
either comply with rules adopted by the Commission or with interpretations of
the Commission staff. 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 prior to
the determination of the net asset value, which is calculated 15 minutes after
the close of business on the NYSE (generally, the NYSE closes at 4:00 p.m.,
Eastern time), 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 the settlement date of a redemption order.
    

     All net realized 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 of the Fund unless the shareholder elects to
receive such distributions in cash.

                                       35
<PAGE>

     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 will continue to qualify the Fund for the special tax treatment
afforded regulated investment companies ("RICs") under the Code. As long as it
so qualifies, 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 its 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 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 benefits and railroad retirement benefits
subject to Federal income taxes. The portion of exempt-interest dividends paid
from interest received by the Fund from Maryland Municipal Bonds and
distributions attributable to gains from Maryland Municipal Bonds (other than
obligations issued by U.S. possessions) or interest on U.S. Government
obligations will be exempt from Maryland personal and corporate income taxes;
any other dividends from the Fund will be subject to Maryland income tax.
However, shareholders of the Fund that are financial institutions otherwise
subject to Maryland financial institution franchise taxes would be subject to
such taxes on distributions received from the Fund (including exempt-interest
dividends). Individual shareholders subject to income taxation by states other
than Maryland will realize a lower after-tax rate of return than Maryland
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 Maryland income tax. Interest on indebtedness incurred or
continued to purchase or carry Fund shares is not deductible for Federal income
or Maryland income tax purposes to the extent attributable to exempt-interest
dividends. Persons who may be "substantial users" (or "related persons" of
substantial users under Code Section 147(a)) of facilities financed by
industrial development bonds or private activity bonds held by the Fund should
consult their tax advisors before purchasing Fund shares.
    

     Maryland presently includes in Maryland taxable income a portion of
certain items of tax preference as defined in the Code. Interest paid on
certain private activity bonds constitutes such a tax preference if the bonds
(i) are not Maryland Municipal Bonds or (ii) are Maryland Municipal Bonds
issued by U.S. possessions. Accordingly, up to 50% of any distributions of the
Fund's portfolio attributable to such private activity bonds may not be exempt
from Maryland state and local individual income taxes.

     Shares of the Fund will not be subject to the Maryland personal property
tax.

     Distributions from investment income and capital gains of the Fund,
including exempt-interest dividends, may also be subject to state taxes in
states other than Maryland and may be subject to local taxes. Accordingly,
investors in the Fund should consult their tax advisors with respect to the
application of such taxes to the receipt of Fund dividends and to the holding
of shares in the Fund.
                                       36
<PAGE>
   
     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 ordinary income for Federal and Maryland income tax purposes.
Distributions, if any, from an excess of net long-term capital gains over net
short-term capital losses derived 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 Maryland income
tax purposes, are treated as capital gains which are taxed at ordinary income
tax rates unless derived from the sale of Maryland Municipal Bonds (other than
obligations issued by U.S. possessions). Certain categories of capital gains
are taxable at different rates. Generally not later than 60 days after the
close of the Fund's taxable year, the Trust will provide shareholders with a
written notice designating the amounts of any exempt-interest dividends,
ordinary income dividends or capital gain dividends as well as any amounts of
capital gain dividends
    

   
in the different categories of capital gain referred to above. Distributions by
the Fund, whether from exempt-interest income, ordinary income or capital gains
will not be eligible for the dividends received deduction allowed to
corporations under the Code.
    

     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 disallowed to the extent of any exempt-interest
dividends received by the shareholder. In addition, any such loss that is not
disallowed under the rule stated above will be treated as long-term capital
loss to the extent of any capital gain 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 certain "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 certain 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 calendar 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.

     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.

                                       37
<PAGE>
     If a shareholder exercises an exchange privilege within 90 days of
acquiring the shares, then any loss the shareholder can recognize on the
exchange will be reduced (or the gain increased) to the extent any sales charge
paid to the Fund on the exchanged shares 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 Code provisions, 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 Maryland 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 Maryland income tax laws. The Code and the Treasury regulations, as
well as the Maryland tax laws, are subject to change by legislative, judicial
or administrative action either prospectively or retroactively.

   
     Shareholders are urged to consult their tax advisors regarding the
availability of any exemptions from state or local taxes and with specific
questions as to Federal, foreign, state or local taxes.
    


                                PERFORMANCE DATA

     From time to time the Fund may include its average annual total return,
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 fees and distribution charges and any
incremental transfer agency

                                       38
<PAGE>
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 or 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, 1998 was 3.84% for Class A shares, 3.50% for Class B shares, 3.39% for
Class C shares and 3.75% for Class D shares and the tax-equivalent yield for
the same period (based on a Federal income tax rate of 28%) was 5.33% for Class
A shares, 4.86% for Class B shares, 4.71% for Class C shares and 5.21% for
Class D shares. The yield without voluntary reimbursement or waiver of Fund
expenses for the 30-day period would have been 3.88% for Class A shares, 3.54%
for Class B shares, 3.43% for Class C shares and 3.79% for Class D shares with
a tax-equivalent yield of 5.39% for Class A shares, 4.92% for Class B shares,
4.76% for Class C shares and 5.26% for Class D shares.
    

     Total return, yield and tax-equivalent yield figures are based on the
Fund's historical performance and are not intended to indicate future
performance. The Fund's total return, yield and tax-equivalent 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 gains 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 the Lehman Brothers
Municipal Bond Index or other market indices or to performance data published by
Lipper Analytical Services, Inc., Morningstar Publications, Inc.
("Morningstar"), CDA Investment Technology, Inc., MONEY MAGAZINE, U.S. NEWS &
WORLD REPORT, BUSINESS WEEK, FORBES MAGAZINE, FORTUNE MAGAZINE or other industry
publications. When comparing its performance to a market index, the Fund may
refer to various statistical measures derived from the historic performance of
the Fund and the index, such as standard deviation and beta. In addition, from
time to time, the Fund may include the Fund's risk-adjusted performance ratings
assigned by Morningstar in advertising or supplemental sales literature.
    

                                       39
<PAGE>
   
As with other performance data, performance comparisons should not be considered
indicative 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 15 minutes after the close of business on the NYSE
(generally, the NYSE closes at 4:00 p.m., Eastern time), on each day during
which the NYSE 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 (including interest and dividends accrued but not yet received)
minus all liabilities (including accrued expenses) 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 Class A shares generally will 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
fees, higher account maintenance fees and higher transfer 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
(although not necessarily meet) 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 a 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 again 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 managed independently in order to provide to
shareholders who are residents of the state to which such Series relates as
high a level of income exempt from Federal and, in certain cases, 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, $.10 par value per share 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 relating to the account maintenance
associated with such shares, and Class B and Class C shares bear certain
expenses relating to the distribution of such shares. Each class has exclusive
voting rights with respect to matters relating to distribution and/or account
maintenance expenditures, as applicable. See "Purchase of Shares." The Trustees
of the Trust may classify and reclassify the shares of any Series into
additional or other classes at a future date.

                                       40
<PAGE>
     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. Upon
liquidation or dissolution of a Series, each issued and outstanding share of
that Series is entitled to participate equally in dividends and distributions
declared by the respective Series and in net assets of such Series 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.
    
              P.O. Box 45289
              Jacksonville, FL 32232-5289

   
     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.
    

YEAR 2000 ISSUES

   
     Many computer systems were designed using only two digits to designate
years. These systems may not be able to distinguish the Year 2000 from the year
1900 (commonly known as the "Year 2000 Problem"). Like other investment
companies and financial and business organizations, the Fund could be adversely
affected if the computer systems used by the Manager or other Fund service
providers do not properly address this problem prior to January 1, 2000. The
Manager has established a dedicated group to analyze these issues and to
implement any systems modifications necesssary to prepare for the Year 2000.
Currently, the Manager does not anticipate that the transition to the Year 2000
will have any material impact on its ability to continue to service the Fund at
current levels. In addition, the Manager has sought assurances from the Fund's
other service providers that 
    

                                       41
<PAGE>
they are taking all necessary steps to ensure that their computer systems will
accurately reflect the Year 2000, and the Manager will continue to monitor the
situation. At this time, however, no assurance can be given that the Fund's
other service providers have anticipated every step necessary to avoid any
adverse effect on the Fund attributable to the Year 2000 Problem.

   
                               ----------------
     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.
    


                                       42
<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,
                a division of Princeton Funds Distributor, Inc.
    
                            Administrative Offices:
                            800 Scudders Mill Road
                            Plainsboro, New Jersey
                               Mailing Address:
                                 P.O. Box 9081
                       Princeton, New Jersey 08543-9081

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

                                TRANSFER AGENT
   
                         Financial Data Services, Inc.
    
                            Administrative Offices:
                           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 08540-6400

                                    COUNSEL
                               Brown & Wood LLP
                            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 .....................    10
  Potential Benefits ..................................    12
  Special and Risk Considerations Relating to
     Municipal Bonds ..................................    12
  Description of Municipal Bonds ......................    13
  Call Rights .........................................    16
  When-Issued Securities and Delayed Delivery
     Transactions .....................................    16
  Financial Futures Transactions and Options ..........    16
  Repurchase Agreements ...............................    18
  Investment Restrictions .............................    18
Management of the Trust ...............................    19
  Trustees ............................................    19
  Management and Advisory Arrangements ................    20
  Code of Ethics ......................................    21
  Transfer Agency Services ............................    21
Purchase of Shares ....................................    21
  Initial Sales Charge Alternatives -- Class A and
     Class D Shares ...................................    23
  Deferred Sales Charge Alternatives -- Class B and
     Class C Shares ...................................    25
  Distribution Plans ..................................    28
  Limitations on the Payment of Deferred Sales
     Charges ..........................................    29
Redemption of Shares ..................................    30
  Redemption ..........................................    30
  Repurchase ..........................................    30
  Reinstatement Privilege -- Class A and Class D
     Shares ...........................................    31
Shareholder Services ..................................    31
  Investment Account ..................................    31
  Exchange Privilege ..................................    32
  Automatic Reinvestment of Dividends and Capital
     Gains Distributions ..............................    33
  Systematic Withdrawal Plans .........................    34
  Automatic Investment Plans ..........................    34
  Fee-Based Programs ..................................    34
Portfolio Transactions ................................    35
Distributions and Taxes ...............................    35
  Distributions .......................................    35
  Taxes ...............................................    36
Performance Data ......................................    38
Additional Information ................................    40
  Determination of Net Asset Value ....................    40
  Organization of the Trust ...........................    40
  Shareholder Reports .................................    41
  Shareholder Inquiries ...............................    41
  Year 2000 Issues ....................................    41
</TABLE>
    

   
                                                     Code #16858-1198
    

(LOGO)  Merrill Lynch

MERRILL LYNCH
MARYLAND MUNICIPAL
BOND FUND

of Merrill Lynch Multi-State 
Municipal Series Trust

(GRAPHIC)

PROSPECTUS

   
November 6, 1998
    

Distributor:
Merrill Lynch
Funds Distributor

This Prospectus should be
retained for future reference.

 
<PAGE>

STATEMENT OF ADDITIONAL INFORMATION



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

                                ---------------
     Merrill Lynch Maryland 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 Maryland income taxes as is consistent
with prudent investment management. The Fund invests primarily in a
non-diversified portfolio of long-term investment grade obligations issued by
or on behalf of the State of Maryland, its political subdivisions, agencies and
instrumentalities and obligations of other qualifying issuers, such as issuers
located in Puerto Rico, the U.S. Virgin Islands and Guam, which pay interest
exempt, in the opinion of bond counsel to the issuer, from Federal and Maryland
income taxes. 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
November 6, 1998 (the "Prospectus"), which has been filed with the Securities
and Exchange Commission (the "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 -- Distributor
    
                                ---------------
   
   The date of this Statement of Additional Information is November 6, 1998
    
<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 Maryland 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 State of Maryland, its political subdivisions,
agencies and instrumentalities and obligations of other qualifying issuers,
such as issuers located in Puerto Rico, the U.S. Virgin Islands and Guam, which
pay interest exempt, in the opinion of bond counsel to the issuer, from Federal
and Maryland income taxes. Obligations exempt from Federal income taxes are
referred to herein as "Municipal Bonds" and obligations exempt from both
Federal and Maryland income taxes are referred to as "Maryland Municipal
Bonds." Unless otherwise indicated, references to Municipal Bonds shall be
deemed to include Maryland 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 Maryland 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 of 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 ("Standard & Poor's") (currently AAA, AA, A and BBB) or
Fitch IBCA, 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 Maryland income taxes. However, to the extent that
suitable Maryland Municipal Bonds are not available for investment by the Fund,
the Fund may purchase Municipal Bonds, which are bonds issued by other states,
their agencies and instrumentalities, the interest income on which is exempt,
in the opinion of bond counsel to the issuer, from Federal but not Maryland
taxation. 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 Maryland Municipal Bonds. For temporary 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 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 on a when-issued basis involves the risk that the
yields available in the market when the delivery takes place actually may 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


                                       2
<PAGE>

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 (and Non-Municipal Tax-Exempt
Securities) 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.
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, which may include reduced or eliminated interest payments and
losses of invested principal. 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 flexible portfolio management
instruments for the Fund which allow the Fund to seek potential investment
rewards, hedge other portfolio positions or 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 total assets. The Manager believes,
however, that indexed and inverse floating obligations represent flexible
portfolio management instruments for the Fund which allow the Fund to seek
potential investment rewards, hedge other portfolio positions or vary the
degree of investment leverage relatively efficiently under different market
conditions.

     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 of
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 total 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
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 of high yield securities may be more likely to experience
financial stress, especially if such issuers are highly leveraged. In addition,
the market for high yield municipal securities is relatively new and has not
yet 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


                                       3
<PAGE>

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 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 affect adversely 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 bonds are issued by or on behalf of
public authorities to finance various privately owned or operated facilities,
including certain facilities for the local furnishing of electric energy or
gas, sewage facilities, solid waste disposal facilities and other specialized
facilities. Such obligations are included within the term Municipal Bonds if
the interest paid thereon is, in the opinion of bond counsel to the issuer,
excluded from gross income for Federal income tax purposes and, in the case of
Maryland Municipal Bonds, exempt from Maryland 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, which latter category includes
industrial development bonds ("IDBs") and, for bonds issued after August 15,
1986, private activity bonds. General obligation bonds are secured by the
issuer's pledge of faith, credit and taxing power for the 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. IDBs and, in the case of bonds
issued after August 15, 1986, 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


                                       4
<PAGE>

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, which are normally issued by
special purpose public 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 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. 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
all other illiquid investments, would exceed 15% of the Fund's total 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 entity 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 also is 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.


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


                                       5
<PAGE>

market rate for similar investments, such adjustment formula being calculated
to maintain the market value of the VRDOs at approximately the par value of the
VRDOs on the adjustment date. The adjustments typically are based upon the
Public Securities Association Index 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 therefore will 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 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, Moody's or Fitch. 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-3/VMIG-3 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 insured fully 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 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. In 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.
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 15% of
the Fund's total assets.


                                       6
<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.


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 (or
puts or calls associated therewith) 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
"marking 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 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 that 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


                                       7
<PAGE>

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 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 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


                                       8
<PAGE>

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, 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 liquid 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 offset completely 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.

     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.


                                       9
<PAGE>

     Municipal Bond Index futures contracts were approved for trading in 1986.
Trading in such futures contracts may tend to 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

     The Fund has adopted a number of fundamental and non-fundamental
restrictions and policies relating to the investment of its assets and its
activities. The fundamental policies set forth below 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. Invest more than 25% of its assets, taken at market value at the time
   of each investment, 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, to the extent permitted
   by applicable law, 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.

      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 non-fundamental investment restrictions, which may be changed
   by the Board of Trustees without shareholder approval, the Fund may not:
    

      a. Purchase securities of other investment companies, except to the
   extent such purchases are permitted by applicable law. As a matter of
   policy, however, the Fund will not purchase shares of any registered
   open-end investment company or registered unit investment trust, in
   reliance on Section 12(d)(1)(F) or (G) (the "fund of funds" provisions) of
   the 1940 Act at any time the Fund's shares are owned by another investment
   company that is part of the same group of investment companies as the Fund.
    

      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


                                       10
<PAGE>

   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.

      d. 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.

     In addition, to comply with Federal income tax requirements for
qualification 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 income
tax requirements.

   
     Because of the affiliation of Merrill Lynch, Pierce, Fenner & Smith
Incorporated ("Merrill Lynch") with the Manager, the Fund is prohibited from
engaging in certain transactions involving Merrill Lynch 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

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

     ARTHUR ZEIKEL (66) -- PRESIDENT AND TRUSTEE(1)(2) -- Chairman of the
Manager and of Merrill Lynch Asset Management, L.P. ("MLAM") (which terms as
used herein include their corporate predecessors) since 1997; President of the
Manager and MLAM from 1977 to 1997; Chairman of Princeton Services, Inc.
("Princeton Services") since 1997 and Director thereof since 1993; President of
Princeton Services from 1993 to 1997; Executive Vice President of Merrill Lynch
& Co., Inc. ("ML & Co.") since 1990.

     JAMES H. BODURTHA (54) -- TRUSTEE(2) -- 36 Popponesset Road, Cotuit,
Massachusetts 02635. Director and Executive Vice President, The China Business
Group, Inc. since 1996. Chairman and Chief Executive Officer, China Enterprise
Management Corporation from 1993 to 1996; Chairman, Berkshire Corporation since
1980; Partner, Squire, Sanders & Dempsey from 1980 to 1993.

     HERBERT I. LONDON (59) -- TRUSTEE(2) -- 113-115 University Place, New
York, New York 10003. John M. Olin Professor of Humanities, New York University
since 1993; Professor thereof since 1980; President, Hudson Institute since
1997 and Trustee since 1980; Dean, Gallatin Division of New York University
from 1976 to 1993; Distinguished Fellow, Herman Kahn Chair, Hudson Institute
from 1984 to 1985; Director, Damon Corporation from 1991 to 1995; Overseer,
Center for Naval Analyses from 1983 to 1993; Limited Partner, Hypertech LP
since 1996.

     ROBERT R. MARTIN (71) -- TRUSTEE(2) -- 513 Grand Hill, St. Paul, Minnesota
55102. 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; Chairman of the Board, WTC
Industries, Inc. in 1994; Trustee, Northland College since 1992.

     JOSEPH L. MAY (69) -- 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;
    


                                       11
<PAGE>

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 (46) -- TRUSTEE(2) -- Morgan Hall, Soldiers Field, Boston,
Massachusetts 02163. Professor, Harvard Business School since 1989 and
Associate Professor from 1983 to 1989; Trustee, The Common Fund, since 1989;
Director, Quantec Limited since 1991 and TIBCO from 1994 to 1996.

     TERRY K. GLENN (58) -- EXECUTIVE VICE PRESIDENT(1)(2) -- Executive Vice
President of the Manager and MLAM since 1983; Executive Vice President and
Director of Princeton Services since 1993; President of Princeton Funds
Distributor, Inc. ("PFD") since 1986 and Director thereof since 1991; President
of Princeton Administrators, L.P. ("Princeton Administrators") since 1988.

     VINCENT R. GIORDANO (54) -- SENIOR VICE PRESIDENT(1)(2) -- Senior Vice
President of the Manager and MLAM since 1984; Vice President of MLAM from 1980
to 1984; Senior Vice President of Princeton Services since 1993.

     KENNETH A. JACOB (47) -- VICE PRESIDENT(1)(2) -- First Vice President of
MLAM since 1997; Vice President of the Manager since 1984; Vice President of
MLAM from 1994 to 1997.

     HUGH T. HURLEY, III (34) -- PORTFOLIO MANAGER AND VICE PRESIDENT OF THE
FUND(1)(2) -- Vice President of MLAM since 1996; Assistant Vice President of
MLAM from 1993 to 1996; Municipal Bond Broker with Titus & Donnelley Municipal
Bond Brokers from 1990 to 1993.

     DONALD C. BURKE (38) -- VICE PRESIDENT(1)(2) -- First Vice President of
MLAM since 1997; Vice President of MLAM from 1990 to 1997; Director of Taxation
of MLAM since 1990.

     GERALD M. RICHARD (49) -- TREASURER(1)(2) -- Senior Vice President and
Treasurer of the Manager and MLAM since 1984; Senior Vice President and
Treasurer of Princeton Services since 1993; Treasurer of PFD since 1984 and
Vice President thereof since 1981.

     ROBERT E. PUTNEY, III (38) -- SECRETARY(1)(2) -- Director (Legal Advisory)
of MLAM and Princeton Administrators since 1997; Vice President of MLAM from
1994 to 1997; Vice President of Princeton Administrators from 1991 to 1997;
Attorney with MLAM from 1991 to 1994.
    
- -------
(1) Interested person, as defined in the 1940 Act, of the Trust.
(2) Such Trustee or officer is a director, trustee or officer of certain other
    investment companies for which the Manager or MLAM acts as investment
    adviser or manager.


   
     At September 30, 1998, the Trustees, the officers of the Trust and the
officers of the Fund as a group (13 persons) owned an aggregate of less than
1.0% of the outstanding shares of the Fund. At such date, Mr. Zeikel, a Trustee
and officer of the Trust, the other officers of the Trust and the officers of
the Fund owned less than 1.0% of the common stock of ML&Co.
    


COMPENSATION OF TRUSTEES

   
     The Trust pays each Trustee not affiliated with the Manager (each a
"non-affiliated Trustee") 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 meetings. The Trust also compensates members of its Audit and
Nominating Committee (the "Committee"), which consists of all the
non-affiliated Trustees, a fee of $2,000 per year plus $500 per meeting
attended. The Trust reimburses each non-affiliated Trustee for his
out-of-pocket expenses relating to attendance at Board and Committee meetings.
The fees and expenses of the Trustees are allocated to the respective series of
the Trust on the basis of asset size. For the fiscal year ended July 31, 1998,
fees and expenses paid to non-affiliated Trustees that were allocated to the
Fund aggregated $1,397.

     The following table sets forth the compensation paid by the Fund to the
non-affiliated Trustees for the fiscal year ended July 31, 1998 and the
aggregate compensation paid by all registered investment companies (including
the Trust) advised by the Manager and its affiliate, MLAM ("FAM/MLAM Advised
Funds") to the non-affiliated Trustees for the calendar year ended December 31,
1997:
    


                                       12
<PAGE>


   
<TABLE>
<CAPTION>
                                                                            AGGREGATE
                                                                           COMPENSATION
                                                                       FROM TRUST AND OTHER
                                              PENSION OR RETIREMENT      FAM/MLAM-ADVISED
                             COMPENSATION      BENEFITS ACCRUED AS        FUNDS PAID TO
NAME OF TRUSTEE                FROM FUND    PART OF TRUST'S EXPENSES       TRUSTEE (1)
- --------------------------- -------------- -------------------------- ---------------------
<S>                         <C>            <C>                            <C>       
James H. Bodurtha .........    $ 292.61               None                $148,500
Herbert I. London .........    $ 292.61               None                $148,500
Robert R. Martin ..........    $ 292.61               None                $148,500
Joseph L. May .............    $ 292.61               None                $148,500
Andre F. Perold ...........    $ 292.61               None                $148,500
</TABLE>                                                           
    

- -------
   
(1) The Trustees serve on the boards of FAM/MLAM Advised Funds as follows: Mr.
    Bodurtha (25 registered investment companies consisting of 43 portfolios);
    Mr. London (25 registered investment companies consisting of 43
    portfolios); Mr. Martin (25 registered investment companies consisting of
    43 portfolios); Mr. May (25 registered investment companies consisting of
    43 portfolios); and Mr. Perold (25 registered investment companies
    consisting of 43 portfolios).
    



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 MLAM.
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 purchases or sales of securities for the Fund or other funds for
which they act as manager or for their advisory clients 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 MLAM 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 years ended July 31,
1996 and 1997, the total advisory fees payable by the Fund to the Manager were
$133,974 and $143,865, respectively, all of which were voluntarily waived. For
the fiscal year ended July 31, 1998, the total advisory fee payable by the Fund
to the Manager was $147,950, of which $120,685 was voluntarily waived by the
Manager.

     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 ML&Co. or any of its
affiliates. 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 Merrill Lynch Funds Distributor, a division of
PFD (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 that 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 are provided to the Fund by the Manager and the Fund
reimburses the Manager for its costs in connection with such services. For the
fiscal years ended July 31, 1996, 1997 and 1998, the Fund reimbursed the
Manager $42,113, $61,207 and $31,159, respectively, for accounting 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
    


                                       13
<PAGE>

of shares of the Fund. Certain expenses in connection with account maintenance
and the distribution of Class B shares will be financed by the Fund pursuant to
the Distribution Plan in compliance with Rule 12b-1 under the 1940 Act. See
"Purchase of Shares -- Distribution Plans."

     The Manager is a limited partnership, the partners of which are ML&Co. and
Princeton Services. ML&Co. and Princeton Services are "controlling persons" of
the Manager as defined under the 1940 Act because of their ownership of its
voting securities or their power to exercise a controlling influence over its
management or policies.

     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(SM) 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 (except
that Class B shareholders may vote upon any material changes to expenses
charged under the Class D Distribution Plan). Each class has different exchange
privileges. See "Shareholder Services -- Exchange Privilege."

   
     The Merrill Lynch Select Pricing(SM) System is used by more than 50
registered investment companies advised by MLAM or its affiliate, the Manager.
Funds advised by MLAM or the Manager that utilize the Merrill Lynch Select
Pricing(SM) System are referred to herein as "Select Pricing 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.


   
INITIAL SALES CHARGE ALTERNATIVES -- CLASS A AND CLASS D SHARES

     The gross sales charges for the sale of Class A shares for the fiscal year
ended July 31, 1996 were $2,613, of which the Distributor received $168 and
Merrill Lynch received $2,445. The gross sales charges for the sale of Class A
shares for the fiscal year ended July 31, 1997 were $407, of which the
Distributor received $32 and Merrill Lynch received $375. The gross sales
charges for the sale of Class A shares for the fiscal year ended July 31, 1998
were $2,848, of which the Distributor received $193 and Merrill Lynch received
$2,655. The gross sales charges for the sale of Class D shares for the fiscal
year ended July 31, 1996 were $6,272, of which the Distributor received $598
and Merrill Lynch received $5,674. The gross sales charges for the sale of
Class D shares for the fiscal year ended July 31, 1997 were $7,929, of which
the Distributor received $689 and Merrill Lynch received $7,240. The gross
sales charges for the sale of Class D shares for the year ended July 31, 1998
were $8,295, of which the Distributor received $919 and Merrill Lynch received
$7,376. For the fiscal years ended July 31, 1996, 1997 and 1998, the
Distributor received no contingent deferred sales charges ("CDSCs") with
respect to redemption within one year after purchase of Class A shares
purchased subject to a front-end sales charge waiver. For fiscal years ended
July 31, 1996, 1997 and 1998, the Distributor received no CDSCs with respect to
redemption within one year after purchase of Class D shares purchased subject
to a front-end sales charge waiver.
    

     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,


                                       14
<PAGE>

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 that 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.

   
     CLOSED-END FUND INVESTMENT OPTION. Class A shares of the Fund and certain
other Select Pricing Funds ("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, the
date the Merrill Lynch Select Pricing(SM) System commenced operations, and wish
to reinvest the net proceeds from 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 Select Pricing
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.

     Shareholders of certain MLAM-advised continuously offered closed-end funds
may reinvest at net asset value the net proceeds from a sale of certain shares
of common stock of such funds in shares of the Fund. Upon exercise of this
investment option, shareholders of Merrill Lynch Senior Floating Rate Fund,
Inc. will receive Class A shares of the Fund and shareholders of Merrill Lynch
Municipal Strategy Fund, Inc. and Merrill Lynch High Income Municipal Bond
Fund, Inc. will receive Class D shares of the Fund, except that shareholders
already owning Class A shares of the Fund will be eligible to purchase
additional Class A shares pursuant to this option, if such additional Class A
shares will be held in the same account as the existing Class A shares and the
other requirements pertaining to the reinvestment privilege are met. In order
to exercise this investment option, a shareholder of one of the
above-referenced continuously offered closed-end funds (an "eligible fund")
must sell his or her shares of common stock of the eligible fund (the "eligible
shares") back to the eligible fund in connection with a tender offer conducted
by the eligible fund and reinvest the proceeds immediately in the designated
class of shares of the Fund. This investment option is available only with
respect to eligible shares as to which no Early Withdrawal Charge or CDSC (each
as defined in the eligible fund's prospectus) is applicable. Purchase orders
from eligible fund shareholders wishing to exercise this investment option will
be accepted only on the day that the related tender offer terminates and will
be effected at the net asset value of the designated class of the Fund on such
day.
    


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 Select Pricing 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
other Select Pricing 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, recordkeeping 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
    


                                       15
<PAGE>

   
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 value of Class A or Class D shares of the Fund and of other Select Pricing
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 5.0%
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 5.0% 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 that would be
applicable to a single purchase equal to the total dollar value of the shares
then being purchased under such Letter, 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 the Summit Cash Reserves
Fund into the Fund that creates a sales charge will count toward completing a
new or existing Letter of Intention from the Fund.

     EMPLOYEE ACCESS(SM) ACCOUNTS. Provided applicable threshold requirements
are met, either Class A or Class D shares are offered at net asset value to
Employee Access(SM) Accounts available through authorized employers. The initial
minimum investment for such accounts is $500, except that the initial minimum
investment for shares purchased for such accounts pursuant to the Automatic
Investment Program is $50.
    

     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, 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 their directors and employees, 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 are offered at net asset value, without a 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; and 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 a
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 the shares
of such other fund were subject to a sales charge either at the time of
purchase or on a deferred basis; and second, such purchase of Class D shares
must be made within 90 days after such notice.

     Class D shares of the Fund are offered at net asset value, without a 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 shares of such
other mutual fund 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.


                                       16
<PAGE>

     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 that might result from an acquisition of assets having net unrealized
appreciation that 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 that (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, that are 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 the applicable limits on acquisition of such securities set forth
under "Investment Objective and Policies" herein).

     Reductions in or exemptions from the imposition of a sales load are due to
the nature of the investors and/or the reduced sales efforts that will be
needed in obtaining such investments.


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 Merrill Lynch Funds
Distributor, a division of Princeton Funds Distributor, Inc. (the
"Distributor"), with respect to such classes.
    

     Payments of the account maintenance fees 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 a 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 each 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 Conduct Rules of the National
Association of Securities Dealers, Inc. (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 1.0% (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


                                       17
<PAGE>

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, 1998
with respect to the Class B and Class C shares of the Fund indicating the
maximum allowable payments that can be made under the NASD maximum sales charge
rule and, with respect to the Class B shares, the Distributor's voluntary
maximum.


                      DATA CALCULATED AS OF JULY 31, 1998
    
   
<TABLE>
<CAPTION>
                                                    ALLOWABLE    ALLOWABLE
                                         ELIGIBLE   AGGREGATE    INTEREST    MAXIMUM
                                           GROSS      SALES      ON UNPAID    AMOUNT
                                         SALES(1)    CHARGES    BALANCE(2)   PAYABLE
                                        ---------- ----------- ------------ ---------
                                                       (IN THOUSANDS)
<S>                                     <C>        <C>         <C>          <C>
CLASS B SHARES, FOR THE PERIOD
 OCTOBER 29, 1993 (COMMENCEMENT
 OF OPERATIONS) TO JULY 31, 1998:
Under NASD Rule as Adopted ............  $33,923      $2,120       $639      $2,759
Under Distributor's Voluntary Waiver ..  $33,923      $2,120       $170      $2,290
CLASS C SHARES, FOR THE PERIOD
 OCTOBER 21, 1994 (COMMENCEMENT
 OF OPERATIONS) TO JULY 31, 1998:
Under NASD Rule as Adopted ............  $ 3,733      $  233       $ 46      $  279



                                             AMOUNTS                        ANNUAL
                                           PREVIOUSLY     AGGREGATE      DISTRIBUTION
                                             PAID TO        UNPAID      FEE AT CURRENT
                                         DISTRIBUTOR(3)    BALANCE    NET ASSET LEVEL(4)
                                        ---------------- ----------- -------------------
                                                         (IN THOUSANDS)
<S>                                     <C>              <C>         <C>
CLASS B SHARES, FOR THE PERIOD
 OCTOBER 29, 1993 (COMMENCEMENT
 OF OPERATIONS) TO JULY 31, 1998:
Under NASD Rule as Adopted ............       $511          $2,248           $58
Under Distributor's Voluntary Waiver ..       $511          $1,779           $58
CLASS C SHARES, FOR THE PERIOD
 OCTOBER 21, 1994 (COMMENCEMENT
 OF OPERATIONS) TO JULY 31, 1998:
Under NASD Rule as Adopted ............       $ 28          $  251           $ 8
</TABLE>
    

- -------
(1) Purchase price of all eligible Class B or Class C shares sold during the
    periods indicated 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. This
    figure may include CDSCs that were deferred when a shareholder redeemed
    shares prior to the expiration of the applicable CDSC period and invested
    the proceeds, without the imposition of a sales charge, in Class A shares
    in conjunction with the shareholder's participation in the Merrill Lynch
    Mutual Fund Advisor (Merrill Lynch MFA(SM)) Program (the "MFA Program"). The
    CDSC is booked as a contingent obligation that may be payable if the
    shareholder terminates participation in the MFA Program.
   
(4) Provided to illustrate the extent to which the current level of
    distribution fee payments (not including any CDSC payments) is amortizing
    the unpaid balance. No assurance can be given that payments of the
    distribution fee will reach either the NASD maximum (with respect to Class
    B and Class C shares) or the voluntary maximum (with respect to Class B
    shares).
    



                              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 for more than seven days only for any period during
which trading on the NYSE is restricted as determined by the Commission or the
NYSE 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.

   
     The value of shares at the time of the redemption may be more or less than
the shareholder's cost, depending on the market value of the securities held by
the Fund at any such time.
    


DEFERRED SALES CHARGES -- CLASS B AND CLASS C 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 in certain
circumstances including 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 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 fiscal years
ended July 31, 1996, 1997 and 1998, the Distributor received CDSCs of $91,447,
$75,006 and $39,627, respectively, with respect to redemptions of Class B
shares, all of which were paid to Merrill Lynch.  Additional CDSCs payable to
the Distributor during the fiscal year ended July 31, 1997 and 1998, may have
been waived or converted to a contingent obligation in connection with a
shareholder's participation in certain fee-based programs. For the fiscal years
 
    


                                       18
<PAGE>

   
ended July 31, 1996, 1997 and 1998, the Distributor received CDSCs of $530,
$6,684 and $150, respectively, with respect to redemptions of Class C shares,
all of which were 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 ("OTC") 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 fiscal year ended July 31, 1996,
the Fund engaged in four transactions pursuant to this order for an aggregate
market value of $3,800,000. For the fiscal year ended July 31, 1997, the Fund
engaged in five transactions pursuant to this order for an aggregate market
value of $2,600,000. For the fiscal year ended July 31, 1998, the Fund engaged
in five transactions pursuant to such order for an aggregate market value of
$2,600,000. 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 Trustees will reconsider this matter from
time to time.
    

     The Fund may not purchase securities, including Municipal Bonds, during
the existence of any underwriting syndicate of which Merrill Lynch is a member
or in a private placement in which Merrill Lynch serves as placement agent
except pursuant to procedures approved by the Trustees of the Trust which
either comply with rules adopted by the Commission or with interpretations of
the Commission staff. Rule 10f-3 under the 1940 Act sets forth conditions under
which the Fund may purchase municipal bonds from an underwriting syndicate of
which Merrill Lynch is a member. 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.

     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.

     The Trust has no obligation to deal with any broker in the execution of
transactions for the Fund's portfolio securities. In addition, consistent with
the Rules of Fair Practice of the NASD and policies established by the Trustees
of the Trust, the Manager may consider sales of shares of the Fund as a factor
in the selection of brokers or dealers to execute portfolio transactions for
the Fund.

   
     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. As a result of the investment policies described in
the Prospectus, the Fund's annual portfolio turnover rate may be higher than
that of other investment companies. 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 rates for
the fiscal years ended July 31, 1997 and 1998 were 94.90% and 88.89%,
respectively.
    

     Section 11(a) of the Securities 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
that 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 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


                                       19
<PAGE>

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

     Reference is made to "Additional Information -- Determination of Net Asset
Value" in the Prospectus for information concerning the 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, Monday through Friday, as of 15 minutes after the
close of business on the NYSE (generally, the NYSE closes at 4:00 p.m., Eastern
time) on each day during which the NYSE is open for trading. The NYSE is not
open on New Year's Day, Martin Luther King, Jr. 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
(including interest and dividends accrued but not yet received) minus all
liabilities (including accrued expenses) 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 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 daily expense accruals of the account maintenance, distribution
fees, 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 B and Class C shares generally will be lower than the per share
net asset value of Class D shares, reflecting the daily expense accruals of the
distribution fees and higher transfer agency fees applicable with respect to
Class B and Class C shares of the Fund. It is expected, however, that the per
share net asset value of the four classes will tend to converge (although not
necessarily meet) immediately after the payment of dividends, which will differ
by approximately the amount of the expense accrual differentials between the
classes.
    

     The Municipal Bonds, and other portfolio securities in which the Fund
invests, are traded primarily in OTC municipal bond and money markets and are
valued at the last available bid price in the OTC 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. Short-term investments with a remaining maturity of 60 days or
less are valued on an amortized cost basis, which approximates market value.
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, copies of the various plans described below and
instructions as to how to participate in the various services or plans, or how
to change options with respect thereto, 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, at least quarterly, statements 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 also will receive separate confirmations for each purchase or sale
transaction other than automatic investment purchases and the reinvestment of
ordinary income dividends and long-term capital gains distributions. A
shareholder may make additions to his or her Investment Account at any time by
mailing a check directly to the Transfer Agent.


                                       20
<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.

     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 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. If
the new brokerage firm is willing to accommodate the shareholder in this
manner, the shareholder must request that he or she be issued certificates for
his or her shares, and then must turn the certificates over to the new firm for
re-registration as described in the preceding sentence.


AUTOMATIC INVESTMENT PLANS

   
     A shareholder may make additions to an Investment Account at any time by
purchasing Class A shares (if he or she is an eligible Class A investor as
described in the Prospectus) or 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 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. An
investor whose shares of the Fund are held within a CMA(R) or CBA(R) account
may arrange to make periodic investments of $100 or more in Fund shares in
their CMA(R) or CBA(R) account or in certain related accounts.
    


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
automatically reinvested 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 dividends or capital
gains distributions, or both, in cash, in which event payment will be mailed or
direct deposited on or about the payment date (provided that, in the event that
a payment on an account maintained at the Transfer Agent would amount to $10.00
or less, a shareholder will not receive such payment in cash and such payment
will automatically be reinvested in additional shares). The Fund is not
responsible for any failure of delivery to the shareholder's address of record
and no interest will accrue on amounts represented by uncashed distribution or
redemption checks.
    

     Shareholders may, at any time, notify Merrill Lynch in writing if their
account is maintained with Merrill Lynch or notify the Transfer Agent in
writing or by telephone (1-800-MER-FUND) if their account is maintained with
the Transfer Agent 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

     A shareholder may elect to make systematic withdrawals from an Investment
Account of Class A, Class B, Class C or Class D shares on either a monthly or
quarterly basis as provided below. Quarterly withdrawals are available for
shareholders who have acquired 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 shares having a value of $10,000 or more.

   
     At the time of each withdrawal payment, sufficient 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 the dollar
amount and the class of shares to be redeemed. Redemptions will be made at net
asset value as determined as of 15 minutes after the close of business on the
NYSE (generally, the NYSE closes at 4:00 p.m., Eastern time) on the 24th day of
each month or the 24th day of the last month of each quarter, whichever is
applicable. If the NYSE is not open for business on such date, the 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 shares in the Investment
    


                                       21
<PAGE>

Account are reinvested automatically in Fund shares. 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.

   
     With respect to redemptions of Class B or Class C shares pursuant to a
systematic withdrawal plan, the maximum number of Class B or Class C shares
that can be redeemed from an account annually shall not exceed 10% of the value
of shares of such class in that account at the time the election to join the
systematic withdrawal plan was made. Any CDSC that otherwise might be due on
such redemption of Class B or Class C shares will be waived. Shares redeemed
pursuant to a systematic withdrawal plan will be redeemed in the same order as
Class B or Class C shares are otherwise redeemed. See "Purchase of Shares --
Deferred Sales Charge Alternatives -- Class B and Class C Shares -- Contingent
Deferred Sales Charges --  Class B Shares" and " -- Contingent Deferred Sales
Charges -- Class C Shares" in the Prospectus. Where the systematic withdrawal
plan is applied to Class B shares, upon conversion of the last Class B shares
in an account to Class D shares, the systematic withdrawal plan will be applied
thereafter to Class D shares if the shareholder so elects. See "Purchase of
Shares --  Deferred Sales Charge Alternatives -- Class B and Class C Shares --
Conversion of Class B Shares to Class D Shares" in the Prospectus. If an
investor wishes to change the amount being withdrawn in a systematic withdrawal
plan the investor should contact his or her Merrill Lynch Financial Consultant.
 
    

     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 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 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.

   
     Alternatively, a shareholder whose shares are held within a CMA(R) or
CBA(R) may elect to have shares redeemed on a monthly, bimonthly, quarterly,
semiannual or annual basis through the CMA(R) or CBA(R) Systematic Redemption
Program. The minimum fixed dollar amount redeemable is $50. The proceeds of
systematic redemptions will be posted to the shareholder's account three
business days after the date the shares are redeemed. All redemptions are made
at net asset value. A shareholder may elect to have his or her shares redeemed
on the first, second, third or fourth Monday of each month, in the case of
monthly redemptions, or of every other month, in the case of bimonthly
redemptions. For quarterly, semiannual or annual redemptions, the shareholder
may select the month in which the shares are to be redeemed and may designate
whether the redemption is to be made on the first, second, third or fourth
Monday of the month. If the first Monday of the month is not a business day,
the redemption will be processed at net asset value on the next business day.
The CMA(R) or CBA(R) Systematic Redemption Program is not available if Fund
shares are being purchased within the account pursuant to the CMA(R) or CBA(R)
Automated Investment Program. For more information on the CMA(R) or CBA(R)
Systematic Redemption Program, eligible shareholders should contact their
Merrill Lynch Financial Consultant.


EXCHANGE PRIVILEGE

     U.S. shareholders of each class of the Fund have an exchange privilege
with certain other Select Pricing Funds and Summit Cash Reserves Fund
("Summit"), a series of Financial Institutions Series Trust, which is a Merrill
Lynch-sponsored money market mutual fund specifically designated as available
for exchange by holders of Class A, Class B, Class C and Class D shares of
Select Pricing Funds. Shares with a net asset value 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 at least 15 days. Before
effecting an exchange, shareholders should obtain a currently effective
prospectus of the fund into which the exchange is to be made. Exercise of the
exchange privilege is treated as a sale of the exchanged shares and a purchase
of the acquired shares for Federal income tax purposes.

     EXCHANGES OF CLASS A AND CLASS D SHARES. Class A shareholders may exchange
Class A shares of the Fund for Class A shares of a second Select Pricing Fund
if the shareholder holds any Class A shares of the second fund in his or her
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 Select
Pricing Fund, but does not hold Class A shares of the second fund in his or her
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 Select Pricing 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 D shares are
exchangeable with shares of the same class of other Select Pricing Funds.
    


                                       22
<PAGE>

   
     Exchanges of Class A or Class D shares outstanding ("outstanding Class A
or Class D shares") for Class A or Class D shares of other Select Pricing Funds
or Class A shares of Summit ("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 and Class D shares generally
may be exchanged into the Class A or Class D shares, respectively, of the other
funds with a reduced sales charge or without a sales charge.

     EXCHANGES OF CLASS B AND CLASS C SHARES. Each Select Pricing Fund 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 or Class C shares,
respectively, of another Select Pricing Fund or for Class B shares of Summit
("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 CDSC 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% CDSC 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 Special Value Fund and receive cash.
There will be no CDSC due on this redempion, since by "tacking" the two and a
half year holding period of Fund 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 Special Value Fund Class B shares for more than five years.

     EXCHANGES FOR SHARES OF A MONEY MARKET FUND. Class A and Class D shares
are exchangeable for Class A shares of Summit and Class B and Class C shares
are exchangeable for Class B shares of Summit. Class A shares of Summit have an
exchange privilege back into Class A or Class D shares of Select Pricing Funds;
Class B shares of Summit have an exchange privilege back into Class B or Class
C shares of Select Pricing Funds and in the event of such an exchange, the
period of time that the Class B shares of Summit are held will count toward
satisfaction of the holding period requirement for purposes of reducing any
CDSC and toward satisfaction of any conversion period with respect to Class B
shares. Class B shares of Summit will be subject to a distribution fee at an
annual rate of 0.75% of average daily net assets of such Class B shares. This
exchange privilege does not apply with respect to certain Merrill Lynch
fee-based programs for which alternative exchange arrangements may exist.
Please see your Merrill Lynch Financial Consultant for further information.

     Prior to October 12, 1998, exchanges from the Fund and other Select
Pricing Funds into a money market fund were directed to certain Merrill
Lynch-sponsored money market funds other than Summit. Shareholders who
exchanged Select Pricing Fund shares for shares of such other money market
funds and subsequently wish to exchange those money market fund shares for
shares of the Fund will be subject to the CDSC schedule applicable to such Fund
shares, if any. The holding period for those money market fund shares will not
count toward satisfaction of the holding period requirement for reduction of
the CDSC imposed on such shares, if any, and with respect to Class B shares,
toward satisfaction of the Conversion Period. However, the holding period for
Class B or Class C shares received in exchange for such money market fund
shares will be aggregated with the holding period for the original Select
Pricing Fund shares for purposes of reducing the CDSC or satisfying the
conversion period.

     The Fund's exchange privilege is modified with respect to purchases of
Class A and Class D shares by non-retirement plan investors under the MFA
program. First, the initial allocation of assets is made under the MFA program.
Then, any subsequent exchange under the MFA program of Class A or Class D shares
of a Select Pricing Fund for Class A or Class D shares of the Fund will be made
solely on the basis of the relative net asset values of the shares being
exchanged. Therefore, there will not be a charge for any difference between the
sales charge previously paid on the shares of the other Select Pricing Fund and
the sales charge payable on the shares of the Fund being acquired in the
exchange under the MFA program.
    
                                       23
<PAGE>

   
     EXERCISE OF THE EXCHANGE PRIVILEGE. To exercise the exchange privilege, a
shareholder 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 Select Pricing Funds 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 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 to the general public at any time and may
thereafter 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. It is contemplated that the exchange privilege may be applicable to other
new mutual funds whose shares may be distributed by the Distributor.
    

                            DISTRIBUTIONS AND TAXES

     The Trust intends to continue to qualify the Fund for the special tax
treatment afforded regulated investment companies ("RICs") under the Code. As
long as it so qualifies, 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. So long as the Fund
qualifies as a RIC under the Code, it will not be subject to any Maryland
income tax.

     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 status are determined for each Series 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 that 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 rule 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 benefits 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 income tax or Maryland income
tax purposes to the extent attributable to exempt-interest dividends.
Shareholders are advised to consult their tax advisors with respect to whether
exempt-interest 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 Maryland Municipal Bonds and distributions
attributable to gains from Maryland Municipal Bonds (other than obligations
issued by U.S. possessions) or interest on U.S. Government obligations will be
exempt from Maryland personal and corporate income taxes; any other 

                                       24
<PAGE>
dividends from the Fund will be subject to Maryland income tax. However,
shareholders of the Fund that are financial institutions otherwise subject to
Maryland financial institution franchise taxes would be subject to such taxes on
distributions received from the Fund (including exempt-interest dividends).
Individual shareholders subject to income taxation by states other than Maryland
will realize a lower after tax rate of return than Maryland 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
that constitutes exempt-interest dividends and the portion that is exempt from
Maryland income taxes. The Fund will allocate exempt-interest dividends among
Class A, Class B, Class C and Class D shareholders for Maryland income tax
purposes based on a method similar to that described above for Federal income
tax purposes.

     Maryland presently includes in Maryland taxable income a portion of
certain items of tax preference as defined in the Code. Interest paid on
certain private activity bonds constitutes such a tax preference if the bonds
(i) are not Maryland Municipal Bonds or (ii) are Maryland Municipal Bonds
issued by U.S. possessions. Accordingly, up to 50% of any distributions of the
Fund's portfolio attributable to such private activity bonds may not be exempt
from Maryland State and local individual income taxes.

     Shares of the Fund will not be subject to the Maryland personal property
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 Maryland income tax
purposes. Distributions, if any, from an excess of net long-term capital gains
over net short-term capital losses derived 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 Maryland
income tax purposes, are treated as capital gains which are taxed at ordinary
income tax rates unless derived from the sale of Maryland Municipal Bonds (other
than obligations issued by U.S. possessions). Certain categories of capital
gains are taxable at different rates. Generally not later than 60 days after the
close of the Fund's taxable year, the Trust will provide shareholders with a
written notice designating the amounts of any exempt-interest dividends,
ordinary income dividends or capital gain dividends as well as any amounts of
capital gain dividends in the different categories of capital gain referred to
above. Distributions by the Fund, whether from exempt-interest income, ordinary
income or capital gains will not be eligible for the dividends received
deduction allowed to corporations under the Code.
    

     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 Fund shares held for six
months or less will be disallowed to the extent of any exempt-interest
dividends received by the shareholder. In addition, any such loss that is not
disallowed under the rule stated above will be treated as long-term capital
loss to the extent of capital gain 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 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.

     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 certain "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 certain 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 calendar 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.

                                       25
<PAGE>
     The Fund may invest in high yield securities rated as described in the
Prospectus. Furthermore, the Fund may also invest in instruments the return on
which includes nontraditional features such as indexed principal or interest
payments ("nontraditional instruments"). These instruments may be subject to
special tax rules under which the Fund may be required to accrue and distribute
income before amounts due under the obligations are paid. In addition, it is
possible that all or a portion of the interest payments on such high yield
securities and/or nontraditional instruments could be recharacterized as
taxable ordinary income.

     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 any sales charge
paid to the Fund on the exchanged shares 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.

     Ordinary income dividends paid 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 advisors concerning the applicability of the U.S. withholding
tax.

     Under certain Code provisions, 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.


TAX TREATMENT OF OPTIONS 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 from
transactions in options and financial futures 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. The mark-to-market rules outlined above,
however, will not apply to certain transactions entered into by the Fund solely
to reduce the risk of changes in price or interest rates with respect to its
investments.

   
     Code Section 1092, which applies to certain "straddles," may affect the
taxation of the Fund's sales of securities and 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
sales of securities and certain closing transactions in financial futures
contracts or the related options.
    

     The foregoing is a general and abbreviated summary of the applicable
provisions of the Code, Treasury regulations and Maryland 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 Maryland tax laws. The Code and the Treasury regulations, as well as
the Maryland tax laws, are subject to change by legislative, judicial or
administrative action either prospectively or retroactively.

                                       26
<PAGE>
   
     Shareholders are urged to consult their own tax advisors regarding the
availability of any exemptions from state or local taxes and with specific
questions as to Federal, state, local or foreign taxes.
    


                                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.
From time to time, the Fund may include the Fund's Morningstar risk-adjusted
performance ratings in advertisements or supplemental sales literature. Total
return, 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, yield and tax-equivalent 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.

     Set forth below is the total return, yield and tax-equivalent yield
information for Class A, Class B, Class C and Class D shares of the Fund for
the periods indicated.



   
<TABLE>
<CAPTION>
                                                               CLASS A SHARES                        CLASS B SHARES
                                                    ------------------------------------- ------------------------------------
                                                        EXPRESSED          REDEEMABLE         EXPRESSED         REDEEMABLE
                                                     AS A PERCENTAGE       VALUE OF A      AS A PERCENTAGE      VALUE OF A
                                                        BASED ON A        HYPOTHETICAL        BASED ON A       HYPOTHETICAL
                                                       HYPOTHETICAL    $1,000 INVESTMENT     HYPOTHETICAL    $1,000 INVESTMENT
                                                          $1,000           AT THE END           $1,000          AT THE END
                       PERIOD                           INVESTMENT       OF THE PERIOD        INVESTMENT       OF THE PERIOD
- --------------------------------------------------- ----------------- ------------------- ----------------- ------------------
                                                                           AVERAGE ANNUAL TOTAL RETURN
                                                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
<S>                                                 <C>               <C>                 <C>               <C>
One year ended July 31, 1998 ......................        2.20%          $ 1,022.00             1.92%          $ 1,019.20
Inception (October 29, 1993) to July 31, 1998 .....        3.98%          $ 1,203.80             4.34%          $ 1,223.80
                                                                                ANNUAL TOTAL RETURN
                                                                    (EXCLUDING MAXIMUM APPLICABLE SALES CHARGE)
Year ended July 31,
   1998 ...........................................        6.46%          $ 1,064.60             5.92%          $ 1,059.20
   1997 ...........................................       10.35%          $ 1,103.50             9.79%          $ 1,097.90
   1996 ...........................................        5.85%          $ 1,058.50             5.19%          $ 1,051.90
   1995 ...........................................        5.39%          $ 1,053.90             4.96%          $ 1,049.60
Inception (October 29, 1993) to July 31, 1994 .....       (4.32%)         $   956.80            (4.68%)         $   953.20
                                                                              AGGREGATE TOTAL RETURN
                                                                    (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
Inception (October 29, 1993) to July 31, 1998 .....       20.38%          $ 1,203.80            22.38%          $ 1,223.80
Inception (October 21, 1994) to July 31, 1998 .....
                                                                                        YIELD
30 days ended July 31, 1998 .......................        3.84%                                 3.50%
                                                                               TAX-EQUIVALENT YIELD*
30 days ended July 31, 1998 .......................        5.33%                                 4.86%
</TABLE>
- -------
* Based on a Federal income tax rate of 28%.
    

                                       27
<PAGE>


   
<TABLE>
<CAPTION>
                                                               CLASS C SHARES                        CLASS D SHARES
                                                    ------------------------------------- ------------------------------------
                                                        EXPRESSED          REDEEMABLE         EXPRESSED         REDEEMABLE
                                                     AS A PERCENTAGE       VALUE OF A      AS A PERCENTAGE      VALUE OF A
                                                        BASED ON A        HYPOTHETICAL        BASED ON A       HYPOTHETICAL
                                                       HYPOTHETICAL    $1,000 INVESTMENT     HYPOTHETICAL    $1,000 INVESTMENT
                                                          $1,000           AT THE END           $1,000          AT THE END
                       PERIOD                           INVESTMENT       OF THE PERIOD        INVESTMENT       OF THE PERIOD
- --------------------------------------------------- ----------------- ------------------- ----------------- ------------------
                                                                           AVERAGE ANNUAL TOTAL RETURN
                                                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
<S>                                                 <C>               <C>                 <C>               <C>
One year ended July 31, 1998 ......................        4.70%      $ 1,047.00                 2.10%          $ 1,021.00
Inception (October 21, 1994) to July 31, 1998 .....        7.70%      $ 1,323.00                 7.09%          $ 1,295.50
                                                                                ANNUAL TOTAL RETURN
                                                                    (EXCLUDING MAXIMUM APPLICABLE SALES CHARGE)
Year ended July 31,
   1998 ...........................................        5.70%      $ 1,057.00                 6.35%          $ 1,063.50
   1997 ...........................................        9.67%      $ 1,096.70                10.24%          $ 1,102.40
   1996 ...........................................        5.18%      $ 1,051.80                 5.63%          $ 1,056.30
Inception (October 21, 1994) to July 31, 1995 .....        8.51%      $ 1,085.10                 8.94%          $ 1,089.40
                                                                              AGGREGATE TOTAL RETURN
                                                                    (INCLUDING MAXIMUM APPLICABLE SALES CHARGE)
Inception (October 21, 1994) to July 31, 1998 .....       32.30%      $ 1,323.00                29.51%          $ 1,295.10
                                                                                        YIELD
30 days ended July 31, 1998 .......................        3.39%                                 3.75%
                                                                               TAX-EQUIVALENT YIELD*
30 days ended July 31, 1998 .......................        4.71%                                 5.21%
</TABLE>
    

- -------
* Based on a Federal income tax rate of 28%.

     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
charges or the waiver of sales charges, a lower amount of expenses is deducted.
 


                              GENERAL INFORMATION

DESCRIPTION OF SHARES

     The Declaration of Trust provides that the Trust shall be comprised of
separate Series ("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 Massachusetts 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 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
and/or distribution of such shares and have exclusive voting rights with
respect to matters relating to such account maintenance and/or distribution
expenditures. The Board of Trustees of the Trust may classify and reclassify
the shares of any Series into additional or other classes at a future date.

     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, as appropriate, being borne


                                       28
<PAGE>

solely by such class. Each issued and outstanding share of a Series is entitled
to one vote and to participate equally in dividends and distributions declared
with respect to that Series and, upon liquidation or dissolution of the Series,
in the net assets of such Series remaining after satisfaction of outstanding
liabilities, except that, as noted above, expenses relating to distribution
and/or account maintenance of the Class B, Class C and Class D shares are borne
solely by the respective 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 will be 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, other than amendments
necessary to conform the Declaration to certain laws or regulations, to change
the name of the Trust, or make certain non-material changes, without the
affirmative vote of a majority of the outstanding shares of the Trust or of the
affected Series or class, as applicable.

     Under Massachusetts law, shareholders of a business trust may, under
certain circumstances, be held personally liable as partners for the trust's
obligations. However, the risk of a shareholder incurring financial loss on
account of shareholder liability is limited to circumstances in which both
inadequate insurance existed and the trust itself was unable to meet its
obligations.

     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
were paid by the Fund and are being 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.


COMPUTATION OF OFFERING PRICE PER SHARE

   
     An illustration of the computation of the offering price for Class A,
Class B, Class C and Class D shares of the Fund based on the value of the
Fund's net assets and number of shares outstanding on July 31, 1998 is
calculated as set forth below.
    



   
<TABLE>
<CAPTION>
                                                                      CLASS A          CLASS B         CLASS C         CLASS D
                                                                  --------------- ---------------- --------------- ---------------
<S>                                                               <C>             <C>              <C>             <C>
Net Assets ......................................................   $ 2,303,381     $ 23,306,350     $ 2,306,397     $ 1,107,143
                                                                    ===========     ============     ===========     ===========
Number of Shares Outstanding ....................................       235,059        2,377,971         235,257         113,019
                                                                    ===========     ============     ===========     ===========
Net Asset Value Per Share (net assets divided by number of shares
 outstanding) ...................................................   $      9.80     $       9.80     $      9.80     $      9.80
Sales Charge for Class A and Class D shares: 4.00% of offering
 price (4.17% of net asset value per share*) ....................           .41                **              **            .41
                                                                    -----------     -------------    ------------    -----------
Offering Price ..................................................   $     10.21     $       9.80     $      9.80     $     10.21
                                                                    ===========     ============     ===========     ===========
</TABLE>
    

- -------
 * 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 CDSC on redemption of shares. See "Purchase of Shares
   -- Deferred Sales Charge Alternatives -- Class B and Class C Shares" in the
   Prospectus and "Redemption of Shares -- Deferred Sales Charges -- Class B
   and Class C Shares" herein.


                                       29
<PAGE>

INDEPENDENT AUDITORS

   
     Deloitte & Touche LLP, 117 Campus Drive, Princeton, New Jersey 08540-6400,
has been selected as the independent auditors of the Trust. The selection of
independent auditors is subject to approval by the independent Trustees of the
Trust. 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
receipt and delivery of securities and collecting interest on the Fund's
investments.


TRANSFER AGENT

   
     Financial Data Services, Inc., 4800 Deer Lake Drive East, Jacksonville,
Florida 32246-6484, 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 LLP, One World Trade Center, New York, New York 10048-0557,
is counsel for the Trust.


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 and the 1940 Act, 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 Fund, no person or entity owned beneficially 5% or
more of the Fund's shares on October 1, 1998.


                              FINANCIAL STATEMENTS

     The Fund's audited financial statements are incorporated by reference in
this Statement of Additional Information to its 1998 annual report to
shareholders. You may request a copy of the annual report at no charge by
calling 1-800-456-4587 ext. 789 between 8:00 a.m. and 8:00 p.m. on any business
day.
    


                                       30
<PAGE>

                                  APPENDIX I

                        ECONOMIC CONDITIONS IN MARYLAND

     THE FOLLOWING INFORMATION IS A BRIEF SUMMARY OF FACTORS AFFECTING THE
ECONOMY OF THE STATE AND DOES NOT PURPORT TO BE A COMPLETE DESCRIPTION OF SUCH
FACTORS. OTHER FACTORS WILL AFFECT ISSUERS. THE SUMMARY IS BASED PRIMARILY UPON
ONE OR MORE PUBLICLY AVAILABLE OFFERING STATEMENTS RELATING TO DEBT OFFERINGS
OF STATE ISSUERS, HOWEVER, IT HAS NOT BEEN UPDATED NOR WILL IT BE UPDATED
DURING THE YEAR. THE TRUST HAS NOT INDEPENDENTLY VERIFIED THE INFORMATION.

     There can be no assurance that future statewide or regional economic
difficulties, and the resulting impact on the financial condition of Maryland
issuers generally, will not adversely affect the market value of Maryland
Municipal Obligations held in the portfolio of the Fund or the ability of
particular obligors to make timely payments of debt service on (or relating to)
those obligations.

   
     THE STATE AND ITS ECONOMY. Maryland encompasses a geographic area of
12,186 square miles and ranks 42nd among the 50 states in size. Maryland's land
area (exclusive of inland waterways and the 1,726 square miles of the
Chesapeake Bay) is 9,775 square miles. According to the Maryland Office of
Planning, Maryland's population in 1997 was 5,094,300, reflecting an increase
of 5.7% from the 1990 Census which showed a Maryland population of 4,780,800.
Maryland's population is concentrated in urban areas; the eight counties and
Baltimore City located in the Baltimore and Washington corridor contain 37.4%
of the State's land area and 86.9% of its population. Overall Maryland's
population per square mile in 1990 was 489.1. In each Census report since 1940
(except in 1980), the percentage population increase in Maryland has exceeded
the nation as a whole.

     After enjoying rapid economic growth in the 1980's, Maryland has
experienced declining rates of growth in the 1990's. Total personal income in
Maryland grew at annual rates between 6.3% and 11.5% in each of the years 1984
through 1990, but grew at a rate of 3.1% in 1991, 4.0% in 1992, 4.3% in 1993,
5.1% in 1994, 5.2% in 1995, 4.9% in 1996 and 5.4% in 1997. Similarly, per
capita personal income, which had grown at rates no lower than 6.4% for the
period from 1972 to 1989, grew at a rate of 4.8% in 1990, 1.9% in 1991, 3.0% in
1992, 3.4% in 1993, 4.2% in 1994, 4.4% in 1995, 4.2% in 1996 and 4.7% in 1997.
Unemployment in Maryland peaked in 1982 at 8.5%, then decreased steadily to a
low of 3.7% in 1989. Unemployment increased to 4.7% in 1990, to 6.0% in 1991,
to 6.7% in 1992, but in 1993, 1994, 1995, 1996 and 1997 unemployment decreased
to 6.2%, 5.1%, 5.1%, 4.9% and 5.1%, respectively.

     Retail sales in Maryland decreased by 2.2% in 1991, and grew by 0.2% in
1992, 6.1% in 1993, 9.6% in 1994, 2.9% in 1995 and 1.5% in 1996 versus
nationwide growth of 0.6%, 4.8%, 6.5%, 7.5%, 4.7% and 5.3% in such years,
respectively.

     Services (including mining), wholesale and retail trade, government, and
manufacturing (primarily printing and publishing, food and kindred products,
instruments and related products, industrial machinery, electronic equipment,
and chemical and allied products) are the leading areas of employment in
Maryland. In contrast to the nation as a whole, more people in Maryland are
employed in government than in manufacturing. Between 1977 and 1997,
manufacturing employment decreased 25.2%, while non-manufacturing employment
increased 58.3%.

     STATE FISCAL INFORMATION. The State's total expenditures for the fiscal
years ending June 30, 1995, June 30, 1996 and June 30, 1997 were $13.528
billion, $14.168 billion and $14.787 billion, respectively. In April, 1996, the
General Assembly approved a $14.6 billion 1997 fiscal year budget. The budget as
enacted included funds sufficient to meet all fiscal year 1996 deficiencies and
to meet all specific statutory funding requirements; the budget incorporates $29
million in savings from revisions to the State personnel system and reform to
the welfare and Medicare programs. When this budget was enacted, the State
estimated that the General Fund surplus on a budgetary basis at June 30, 1996
would be approximately $22.5 million. The State ended fiscal year 1997 with a
General Fund surplus on a budgetary basis at June 30, 1997 of $207.2 million.
The State ended fiscal year 1997 with $490.1 million in the Revenue
Stabilization Account of the State Reserve Fund, which exceeded 5% of general
fund revenues.

     In April, 1997 the General Assembly approved a $15.4 billion 1998 fiscal
year budget. This budget (i) included funds sufficient to meet all specific
statutory funding requirements; (ii) incorporated the first year of a five-year
phase-in of a 10% reduction in personal income taxes (estimated to reduce
revenues by $38.5 million in fiscal year 1998 and $450 million when fully phased
in) and certain reductions in sales taxes on certain manufacturing equipment
(estimated to reduce revenues by $38.6 million when the reductions are fully
phased-in during fiscal year 2001); and (iii) included the first year's $30
million funding under an agreement to provide additional funds totaling $230
million over a five-year period to schools in the City of Baltimore and related
grants to other subdivisions totaling $32 million. When this budget was enacted,
the State estimated the General Fund surplus on a budgetary basis would be $28.2
million, in addition to which the State projected that there would be a balance
of $532 million in the Revenue Stabilization Account of the State Reserve Fund.
The General 
                                       31
<PAGE>

Fund surplus on a budgetary basis at June 30, 1998 was $420 million.
In addition, the balance in the Revenue Stabilization Account of the State
Reserve Fund was $617.9 million at June 30, 1998.
    

   
     The Budget approved for fiscal year 1999 included, among other things:
sufficient funds to meet all specific statutory funding requirements; sufficient
funds to meet the actuarial recommended contributions for the seven retirement
systems; sufficient general funds for debt service on general obligation bonds
to maintain the State property tax rate; $3.3 billion in direct aid to local
governments and retirement contributions; and net general fund deficiency
appropriations of $75.5 million for fiscal year 1998, which include $25 million
for computer programming modifications to address the "Year 2000" problem. Based
on the 1999 Budget, it is currently estimated that the General Fund surplus on a
budgetary basis at June 30, 1999 will be approximately $117 million. In
addition, the balance in the Revenue Stabilization Account of the State Reserve
Fund is estimated to be $635 million at June 30, 1999 (after $185.2 million is
transferred to the General Fund).
    

     STATE-LEVEL MUNICIPAL OBLIGATIONS. The State of Maryland and its various
political subdivisions issue a number of different kinds of Municipal
Obligations, including general obligation bonds supported by tax collections,
revenue bonds payable from certain identified tax levies or revenue streams,
conduit revenue bonds payable from the repayment of certain loans to authorized
entities such as hospitals, universities and other private entities, and
certificates of participation in tax-exempt municipal leases.

     The State of Maryland issues general obligation bonds, debt service on
which is payable (to the extent not paid from other sources) from ad valorem
property taxes. The State Constitution prohibits the contracting of State debt
unless the debt is authorized by a law levying an annual tax or taxes
sufficient to pay the debt service within 15 years and prohibiting the repeal
of the tax or taxes or their use for another purpose until the debt has been
paid. The State also enters into lease-purchase agreements, participation
interests in which are often sold publicly as individual securities. These
obligations are subject to annual appropriation by the General Assembly.

   
     As of October 1998, the State's general obligation bonds were rated "Aaa"
by Moody's Investors Service, Inc. ("Moody's"), "AAA" by Standard & Poor's
("S&P"), and "AAA" by Fitch IBCA, Inc. ("Fitch"). There can be no assurance that
these ratings will continue.

     The Maryland Department of Transportation issues Consolidated
Transportation Bonds, which are payable out of specific excise taxes, motor
vehicle taxes and corporate income taxes, and from the general revenues of the
Department or from amounts payable under agreements between the Department and
participating counties. Issued to finance highway, port, transit, rail and
aviation facilities, these bonds were rated "Aa2" by Moody's, "AA" by S&P and
"AA" by Fitch. The Maryland Transportation Authority, a unit of the Department,
issues its own revenue bonds for transportation facilities, which are payable
from certain highway, bridge and tunnel tolls. These bonds are rated "A+" by
S&P. There can be no assurance that these ratings will continue.

     Other State agencies which issue Municipal Obligations include the Maryland
Stadium Authority, which has issued bonds payable from sports facility and other
lease revenues and certain lottery revenues, the Maryland Water Quality
Financing Administration, which issues bonds to provide loans to local
governments for wastewater control projects, the Community Development
Administration of the Department of Housing and Community Development, which
issues mortgage revenue bonds for housing, the Maryland Environmental Service,
which issues bonds secured by the revenues from its various water supply,
wastewater treatment and waste management projects, and the various public
institutions of higher education in the State (which include the University
System of Maryland, Morgan State University, Baltimore City Community College
and St. Mary's College of Maryland), which issue their own revenue bonds. None
of these bonds constitutes debt of the State or is secured by a pledge of the
full faith and credit of the State of Maryland. The issuers of these obligations
are subject to various economic risks and uncertainties, and the credit quality
of the securities issued by them may vary considerably from the credit quality
of obligations backed by the full faith and credit of the State.

     In addition, a number of State authorities issue conduit revenue bonds,
including the Maryland Health and Higher Educational Facilities Authority, which
issues revenue bonds for nonprofit health care institutions, noncollegiate
schools and institutions of higher education, the Northeast Maryland Waste
Disposal Authority, which issues revenue bonds to finance solid waste disposal
facilities, and the Maryland Industrial Development Financing Authority, the
Maryland Economic Development Corporation and the Maryland Energy Financing
Administration, which issue revenue bonds to finance eligible projects for
private borrowers under relevant State and Federal laws. These bonds are payable
solely from the loan payments made by borrowers and other financing
participants, and their credit quality varies with the financial strengths of
these entities.
    
                                       32
<PAGE>

     MUNICIPAL OBLIGATIONS OF MARYLAND LOCAL GOVERNMENTS. Maryland has 24
geographical subdivisions, comprised of 23 counties plus the independent City
of Baltimore, which functions much like a county. Some of the counties and the
City of Baltimore operate pursuant to the provisions of charters or codes of
their own adoption, while others operate pursuant to State statutes.

     Maryland counties and the City of Baltimore receive most of their revenues
from ad valorem taxes on real and personal property, individual income taxes,
transfer taxes, miscellaneous taxes and aid from the State. Their expenditures
include public education, public safety, public works, health, public welfare,
court and correctional services, and general governmental costs.

     The economic factors affecting the State, as discussed above, also have
affected the counties and the City of Baltimore. In addition, reductions in
State aid caused by State budget deficits have caused the local governments to
trim expenditures and, in some cases, raise taxes.

   
     Recent available ratings of the counties and the City of Baltimore are as
follows: general obligation bonds of Montgomery County (abutting Washington,
D.C.) are rated "Aaa" by Moody's and "AAA" by S&P; Anne Arundel County issues
general obligation bonds which are rated "AA+" by both Fitch and S&P and "Aa2"
by Moody's; Prince George's County, also in the Washington, D.C. suburbs,
issues general obligation bonds rated "Aa3" by Moody's and "AA-" by S&P;
Baltimore County, a separate political subdivision surrounding the City of
Baltimore, issues general obligation bonds rated "Aaa" by Moody's and "AAA" by
S&P. The City of Baltimore's general obligation bonds are rated "A1" by Moody's
and "A" by S&P and the other counties in Maryland which are rated all have
general obligation bond ratings of "A" or better, except for Allegany County
and Garrett County, the bonds of which are rated "Baa2" and "Baa3,"
respectively, by Moody's. There can be no assurance that these ratings will
continue.
    

     Two bi-county agencies issue bonds to finance facilities for Montgomery
and Prince George's Counties. The Washington Suburban Sanitary Commission,
which provides water and sewerage services, issues general obligation bonds
rated "Aa1" by Moody's and "AA" by S&P. There can be no assurance that these
ratings will continue. The Maryland-National Capital Park and Planning
Commission, which administers a park system for these counties, issues general
obligation bonds that are guaranteed by the county in which the financed
facilities are located.

     Additionally, many of the municipal corporations in Maryland (such as the
cities of Annapolis, Frederick and Rockville) have issued general obligation
bonds. These municipalities are subject to various economic risks and
uncertainties, and the credit quality of the securities issued by them may vary
considerably from the credit quality of obligations issued by rated Maryland
counties.

     OTHER ISSUERS OF MARYLAND MUNICIPAL OBLIGATIONS. Many of Maryland's
counties have established subsidiary agencies with bond issuing powers, such as
sanitary districts, housing authorities, parking revenue authorities and
industrial development authorities. In addition, all Maryland municipalities
have the authority under State law to issue conduit revenue bonds payable from
payments from private borrowers. These entities are subject to various economic
risks and uncertainties, and the credit quality of the securities issued by
them varies with the financial strengths of the respective borrowers.


                                       33
<PAGE>

                                  APPENDIX II

                           RATINGS OF MUNICIPAL BONDS

   
DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC.'S
("MOODY'S") LONG-TERM DEBT RATINGS

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 edged." 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 risk
        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.

     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.

   
     SHORT-TERM NOTES: The three ratings of Moody's for short-term notes are
MIG-1/VMIG1, MIG-2/VMIG2 and MIG-3/VMIG3; 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."


DESCRIPTION OF MOODY'S SHORT-TERM DEBT RATINGS

     Moody's employs the following three designations, all judged to be
investment grade, to indicate the relative repayment ability of rated issuers:

     Issuers rated PRIME-1 (or supporting institutions) have a superior ability
for repayment of senior short-term debt obligations. PRIME-1 repayment ability
will often be evidenced by many of the following characteristics:
    
     -- Leading market positions in well-established industries.
     -- High rates of return on funds employed.
     -- Conservative capitalization structure with moderate reliance on debt
        and ample asset protection.
     -- Broad margins in earning coverage of fixed financial charges and high
        internal cash generation.
     -- Well-established access to a range of financial markets and assured
        sources of alternate liquidity.

                                       34
<PAGE>

   
     Issuers rated PRIME-2 (or supporting institutions) have a strong ability
for repayment of senior short-term debt 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, may 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 supporting institutions) have an acceptable
ability for repayment of senior short-term debt obligations. The effect of
industry characteristics and market compositions may be more pronounced.
Variability in earnings and profitability may result in changes in the level of
debt protection measurements and may require 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 ("STANDARD & POOR'S") ISSUE CREDIT RATING
DEFINITIONS

     A Standard & Poor's issue credit rating is a current opinion of the
creditworthiness of an obligor with respect to a specific financial obligation,
a specific class of financial obligations, or a specific financial program
(including ratings on medium term note programs and commercial paper programs).
It takes into consideration the creditworthiness of guarantors, insurers, or
other forms of credit enhancement on the obligation and takes into account the
currency in which the obligation is denominated.

     The issue credit rating is not a recommendation to purchase, sell, or hold
a financial obligation, inasmuch as it does not comment as to the market price
or suitability for a particular investor.

     Issue credit ratings are based on current information furnished by the
obligors or obtained by Standard & Poor's from other sources it considers
reliable. Standard & Poor's does not perform an audit in connection with any
credit rating and may, on occasion, rely on unaudited financial information.
Credit ratings may be changed, suspended, or withdrawn as a result of changes
in, or unavailability of, such information, or based on other circumstances.

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

    I.  Likelihood of payment capacity and willingness of the obligor to meet
        its financial commitment on an obligation in accordance with the terms 
        of the obligation;

    II. Nature of and provisions of the obligation; and

   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.


LONG-TERM ISSUE CREDIT RATINGS

AAA     An obligation rated "AAA" has the highest rating assigned by Standard &
        Poor's. The obligor's capacity to meet its financial commitment on the
        obligation is extremely strong.

AA      An obligation rated "AA" differs from the highest rated obligations
        only in small degree. The obligor's capacity to meet its financial
        commitment on the obligation is very strong.

A       An obligation rated "A" is somewhat more susceptible to the adverse
        effects of changes in circumstances and economic conditions than
        obligations in higher-rated categories. However, the obligor's capacity
        to meet its financial commitment on the obligation is still strong.

BBB     An obligation rated "BBB" exhibits adequate protection parameters.
        However, adverse economic conditions or changing circumstances are more
        likely to lead to a weakened capacity of the obligor to meet its
        financial commitment on the obligation.

BB, B,  An obligation rated "BB," "B," "CCC," "CC" and "C" is regarded as
CCC,    having significant speculative characteristics. "BB" indicates the
CC, C   least degree of speculation and "C" the highest degree of speculation.
        While such bonds will likely have some quality and protective
        characteristics, these may be outweighed by large uncertainties or major
        exposures to adverse conditions.

D       An obligation rated "D" is in payment default. The "D" rating category
        is used when payments on an obligation are not made on the date due
        even if the applicable grace period has not expired, unless Standard &
        Poor's believes such payments will be made during such grace period.
        The "D" rating also will be used upon the filing of a bankruptcy
        petition or the taking of a similar action if payments on an obligation
        are jeopardized.
    


                                       35
<PAGE>

   
     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.


SHORT-TERM ISSUE CREDIT RATINGS

A-1     A short-term lease obligation rated "A-1" is rated in the highest
        category by Standard & Poor's. The obligor's capacity to meet its
        financial commitment on the obligation is strong. Within this category,
        certain obligations are designated with a plus sign (+). This indicates
        that the obligor's capacity to meet its financial commitment on these
        obligations is extremely strong.

A-2     A short-term obligation rated "A-2" is somewhat more susceptible to the
        adverse effects of changes in circumstances and economic conditions
        than obligations in higher rating categories. However, the obligor's
        capacity to meet its financial commitment on the obligation is
        satisfactory.

A-3     A short-term obligation rated "A-3" exhibits adequate protection
        parameters. However, adverse economic conditions or changing
        circumstances are more likely to lead to a weakened capacity of the
        obligor to meet its financial commitment on the obligation.

B       A short-term obligation rated "B" is regarded as having significant
        speculative characteristics. The obligor currently has the capacity to
        meet its financial commitment on the obligation; however, it faces
        major ongoing uncertainties which could lead to the obligor's
        inadequate capacity to meet its financial commitment on the obligation.
         

C       A short-term obligation rated "C" is currently vulnerable to nonpayment
        and is dependent upon favorable business, financial, and economic
        conditions for the obligor to meet its financial commitment on the
        obligation.

D       A short-term obligation rated "D" is in payment default. The "D" rating
        category is used when payments on an obligation 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 or the taking of a similar action if payments on an
        obligation are jeopardized.


DESCRIPTION OF FITCH IBCA, INC. ("FITCH") RATINGS

     Fitch credit ratings are an opinion on the ability of an entity or of a
securities issue to meet financial commitments, such as interest, preferred
dividends, or repayment of principal, on a timely basis.

     Credit ratings are used by investors as indications of the likelihood of
getting their money back in accordance with the terms on which they invested.
Thus, the use of credit ratings defines their function: "investment-grade"
ratings (international long-term "AAA" -- "BBB" categories; short-term "F1" --
"F3") indicate a relatively low probability of default, while those in the
"speculative" or "non-investment grade" categories (international long-term
"BB" -- "D") either signal a higher probability of default or that a default
has already occurred. Ratings imply no specific prediction of default
probability.

     Entities or issues carrying the same rating are of a similar but not
necessarily identical credit quality since the rating categories do not fully
reflect small differences in the degrees of credit risk.

     Fitch credit and other 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 any payments of any security. The 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 or withdrawn
as a result of changes in, or the unavailability of, information or for other
reasons.


INTERNATIONAL CREDIT RATINGS

     Fitch's international credit ratings are applied to the spectrum of
corporate, structured, and public finance. They cover sovereign (including
supranational and subnational), financial, bank, insurance, and other corporate
entities and the securities they issue, as well as municipal and other public
finance entities, and securities backed by receivables or other financial
assets, and counterparties. When applied to an entity, these long- and
short-term ratings assess its general creditworthiness on a senior basis. When
applied to specific issues and programs, these ratings take into account the
relative preferential position of the holder of the security and reflect the
terms, conditions, and covenants attaching to that security.
    


                                       36
<PAGE>

   
ANALYTICAL CONSIDERATIONS

     When assigning ratings, Fitch considers the historical and prospective
financial condition, quality of management, and operating performance of the
issuer and of any guarantor, any special features of a specific issue or
guarantee, the issue's relationship to other obligations of the issuer, as well
as developments in the economic and political environment that might affect the
issuer's financial strength and credit quality.

     Investment-grade ratings reflect expectations of timeliness of payment.
However, ratings of different classes of obligations of the same issuer may
vary based on expectations of recoveries in the event of a default or
liquidation. Recovery expectations, which are the amounts expected to be
received by investors after a security defaults, are a relatively minor
consideration in investment-grade ratings, but Fitch does use "notching" of
particular issues to reflect their degree of preference in a winding up,
liquidation, or reorganization as well as other factors. Recoveries do,
however, gain in importance at lower rating levels, because of the greater
likelihood of default, and become the major consideration at the "DDD"
category. Factors that affect recovery expectations include collateral and
seniority relative to other obligations in the capital structure.

     Variable rate demand obligations and other securities which contain a
demand feature will have a dual rating, such as "AAA/F1+." The first rating
denotes long-term ability to make principal and interest payments. The second
rating denotes ability to meet a demand feature in full and on time.


INTERNATIONAL LONG-TERM CREDIT RATINGS

INVESTMENT GRADE

AAA     HIGHEST CREDIT QUALITY. "AAA" ratings denote the lowest expectation of
        credit risk. They are assigned only in case of exceptionally strong
        capacity for timely payment of financial commitments. This capacity is
        highly unlikely to be adversely affected by foreseeable events.

AA      VERY HIGH CREDIT QUALITY. "AA" ratings denote a very low expectation of
        credit risk. They indicate strong capacity for timely payment of
        financial commitments. This capacity is not significantly vulnerable to
        foreseeable events.

A       HIGH CREDIT QUALITY. "A" ratings denote a low expectation of credit
        risk. The capacity for timely payment of financial commitments is
        considered strong. This capacity may, nevertheless, be more vulnerable
        to changes in circumstances or in economic conditions than is the case
        for higher ratings.

BBB     GOOD CREDIT QUALITY. "BBB" ratings indicate that there is currently a
        low expectation of credit risk. The capacity for timely payment of
        financial commitments is considered adequate, but adverse changes in
        circumstances and in economic conditions are more likely to impair this
        capacity. This is the lowest investment-grade category.


 SPECULATIVE GRADE

BB      SPECULATIVE. "BB" ratings indicate that there is a possibility of
        credit risk developing, particularly as the result of adverse economic
        change over time; however, business or financial alternatives may be
        available to allow financial commitments to be met. Securities rated in
        this category are not investment grade.

B       HIGHLY SPECULATIVE. "B" ratings indicate that significant credit risk
        is present, but a limited margin of safety remains. Financial
        commitments are currently being met; however, capacity for continued
        payment is contingent upon a sustained, favorable business and economic
        environment.

CCC,    HIGH DEFAULT RISK. Default is a real possibility. Capacity for meeting
CC,     financial commitments is solely reliant upon sustained, favorable 
C       business or economic developments. A "CC" rating indicated that default
        of some kind appears probable. "C" ratings signal imminent default.

DDD,    DEFAULT. Securities are not meeting current obligations and are
DD,     extremely speculative. "DDD" designates the highest potential for 
D       recovery of amounts outstanding on any securities involved. For 
        U.S. corporates, for example, "DD" indicates expected recovery of
        50%-90% of such outstandings, and "DD," the lowest recovery potential,
        I.E., below 50%.
    


                                       37
<PAGE>

   
INTERNATIONAL SHORT-TERM CREDIT RATINGS

     A short-term rating has a time horizon of less than 12 months for most
obligations, or up to three years for U.S. public finance securities, and thus
places greater emphasis on the liquidity necessary to meet financial
commitments in a timely manner.

F1      HIGHEST CREDIT QUALITY. Indicates the strongest capacity for timely
        payment of financial commitments; may have an added "+" to denote any
        exceptionally strong credit feature.

F2      GOOD CREDIT QUALITY. A satisfactory capacity for timely payment of
        financial commitments, but the margin of safety is not as great as in
        the case of the higher ratings.

F3      FAIR CREDIT QUALITY. The capacity for timely payment of financial
        commitments is adequate; however, near-term adverse changes could
        result in a reduction to non-investment grade.

B       SPECULATIVE. Minimal capacity for timely payment of financial
        commitments, plus vulnerability to near-term adverse changes in
        financial and economic conditions.

C       HIGH DEFAULT RISK. Default is a real possibility. Capacity for meeting
        financial commitments is solely reliant upon a sustained, favorable
        business and economic environment.

D       DEFAULT. Denotes actual or imminent payment default.
    
- -------
   
Notes:

     "+" or " - " may be appended to a rating to denote relative status within
major rating categories. Such suffixes are not added to the "AAA" long-term
rating category, to categories below, "CCC" or to short-term ratings other than
"F1."

     "NR" indicates that Fitch does not rate the issuer or issue in question.

     "Withdrawn": A rating is withdrawn when Fitch deems the amount of
information available to be inadequate for rating purposes, or when an
obligation matures, is called, or refinanced.

     RatingAlert: Ratings are placed on RatingAlert to notify investors that
there is a reasonable probability of a rating change and the likely direction
of such change. These are designated as "Positive," indicating a potential
upgrade, "Negative," for a potential downgrade, or "Evolving," if ratings may
be raised, lowered or maintained. RatingAlert is typically resolved over a
relatively short period.
    


                                       38
<PAGE>

                     [This page intentionally left blank.]
<PAGE>

 
                               TABLE OF CONTENTS
   
<TABLE>
<CAPTION>
                                                            PAGE
                                                           -----
<S>                                                        <C>
Investment Objective and Policies ......................     2
Description of Municipal Bonds and Temporary
   Investments .........................................     4
   Description of Municipal Bonds ......................     4
   Description of Temporary Investments ................     5
   Repurchase Agreements ...............................     6
   Financial Futures Transactions and Options ..........     7
   Investment Restrictions .............................    10
Management of the Trust ................................    11
   Trustees and Officers ...............................    11
   Compensation of Trustees ............................    12
   Management and Advisory Arrangements ................    13
Purchase of Shares .....................................    14
   Initial Sales Charge Alternatives -- Class A and
      Class D Shares ...................................    14
   Reduced Initial Sales Charges .......................    15
   Distribution Plans ..................................    17
   Limitations on the Payment of Deferred Sales
      Charges ..........................................    17
Redemption of Shares ...................................    18
   Deferred Sales Charges -- Class B and Class C
      Shares ...........................................    18
Portfolio Transactions .................................    19
Determination of Net Asset Value .......................    20
Shareholder Services ...................................    20
   Investment Account ..................................    20
   Automatic Investment Plans ..........................    21
   Automatic Reinvestment of Dividends and
      Capital Gains Distributions ......................    21
   Systematic Withdrawal Plans .........................    21
   Exchange Privilege ..................................    22
Distributions and Taxes ................................    24
   Tax Treatment of Option and Futures
      Transactions .....................................    26
Performance Data .......................................    27
General Information ....................................    28
   Description of Shares ...............................    28
   Computation of Offering Price Per Share .............    29
   Independent Auditors ................................    30
   Custodian ...........................................    30
   Transfer Agent ......................................    30
   Legal Counsel .......................................    30
   Reports to Shareholders .............................    30
   Additional Information ..............................    30
Financial Statements ...................................    30
Appendix I -- Economic Conditions in Maryland ..........    31
Appendix II -- Ratings of Municipal Bonds ..............    34
</TABLE>
    

   
                                                                Code #16860-1198
    

[LOGO] MERRILL LYNCH

MERRILL LYNCH
MARYLAND MUNICIPAL 
BOND FUND

of Merrill Lynch Multi-State
Municipal Series Trust


[GRAPHIC]


STATEMENT OF
ADDITIONAL
INFORMATION

   
November 6, 1998
    

Distributor:
Merrill Lynch
Funds Distributor


 
<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 four-year period ended
       July 31, 1998 and for the period  October 29, 1993 (commencement of
       operations) to July 31, 1994.

     Incorporated by reference in Part B:
     Financial Statements:
      Schedule of Investments as of July 31, 1998.*
      Statement of Assets and Liabilities as of July 31, 1998.*
      Statement of Operations for the year ended July 31, 1998.*
      Statements of Changes in Net Assets for each of the years in the two-year
     period ended July 31, 1998.*
      Financial Highlights for each of the years in the four-year period ended
     July 31, 1998 and for the period
       October 29, 1993 (commencement of operations) to July 31, 1994.*
    
- ---------
   
* Included in Registrant's 1998 Annual Report to shareholders filed with the
  Securities and Exchange Commission for the year ended July 31, 1998 pursuant
  to Rule 30b2-1 under the Investment Company Act of 1940, as amended ("1940
  Act").
    

     (b) Exhibits




   
<TABLE>
<CAPTION>
   EXHIBIT
   NUMBER                                                  DESCRIPTION
- ------------                                               -----------
<S>          <C>
       1(a)   -- Declaration of Trust of the Registrant, dated August 2, 1985.(a)
        (b)   -- Amendment to Declaration of Trust, dated September 18, 1987.(a)
        (c)   -- Amendment to Declaration of Trust, dated December 21, 1987.(a)
        (d)   -- Amendment to Declaration of Trust, dated October 3, 1988.(a)
        (e)   -- Amendment to Declaration of Trust, dated October 17, 1994 and instrument establishing Class C
                 and Class D shares of beneficial interest.(a)
        (f)   -- Instrument establishing Merrill Lynch Maryland Municipal Bond Fund (the "Fund") as a series of
                 Registrant.(d)
        (g)   -- 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.(b)
       5(a)   -- Form of Management Agreement between Registrant and Fund Asset Management, L.P.(a)
        (b)   -- Supplement to Management Agreement between Registrant and Fund Asset Management, L.P.(f)
       6(a)   -- Form of Revised Class A Shares Distribution Agreement between Registrant and Merrill Lynch
                 Funds Distributor, Inc. (including Form of Selected Dealers Agreement).(f)
        (b)   -- Form of Class B Shares Distribution Agreement between Registrant and Merrill Lynch Funds
                 Distributor, Inc.(a)
        (c)   -- Form of Class C Shares Distribution Agreement between Registrant and Merrill Lynch Funds
                 Distributor, Inc. (including Form of Selected Dealers Agreement).(f)
        (d)   -- Form of Class D Shares Distribution Agreement between Registrant and Merrill Lynch Funds
                 Distributor, Inc. (including Form of Selected Dealers Agreement).(f)
        (e)   -- Letter Agreement between the Fund and Merrill Lynch Funds Distributor, Inc., dated September
                 15, 1993, in connection with the Merrill Lynch Mutual Fund Advisor program.(e)
       7      -- None.
       8      -- Form of Custody Agreement between Registrant and State Street Bank & Trust Company.(g)
       9      -- Amended Transfer Agency, Dividend Disbursing Agency and Shareholder Servicing Agency
                 Agreement between Registrant and Financial Data Services, Inc. (formerly known as Merrill
                 Lynch Financial Data Services, Inc.)(c)
      10      -- Opinion of Brown & Wood LLP, counsel for the Registrant.(i)
      11      -- Consent of Deloitte & Touche LLP, independent auditors for the Registrant.
      12      -- None.
</TABLE>
    

                                      C-1
<PAGE>


<TABLE>
<CAPTION>
   EXHIBIT
    NUMBER                                                 DESCRIPTION
- -------------                                              -----------
<S>           <C>
       13      -- Certificate of Fund Asset Management, L.P.(d)
       14      -- None.
       15(a)   -- Class B Distribution Plan and Class B Distribution Plan Sub-Agreement of the Registrant.(f)
         (b)   -- Form of Class C Distribution Plan and Class C Distribution Plan Sub-Agreement of the
                  Registrant.(f)
         (c)   -- Form of Class D Distribution Plan and Class D Distribution Plan Sub-Agreement of the
                  Registrant.(f)
       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)
         (c)   -- Schedule for computation of each performance quotation provided in the Registration Statement in
                  response to Item 22 relating to Class C shares.(a)
         (d)   -- Schedule for computation of each performance quotation provided in the Registration Statement in
                  response to Item 22 relating to Class D shares.(a)
       17(a)   -- Financial Data Schedule for Class A shares.
         (b)   -- Financial Data Schedule for Class B shares.
         (c)   -- Financial Data Schedule for Class C shares.
         (d)   -- Financial Data Schedule for Class D shares.
       18      -- Merrill Lynch Select Pricing(SM) System Plan pursuant to Rule 18f-3.(h)
</TABLE>

- ---------
(a) Filed on October 24, 1995 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 the Fund (File No. 33-49873)
    (the "Registration Statement").

(b) 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, as amended, filed as
    Exhibits 1(a), 1(b), 1(c), 1(d) and 1(e) with Post-Effective Amendment No.
    3 to the Registration Statement; 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, filed as Exhibits 1(f) and 1(g), respectively, with Post-Effective
    Amendment No. 3 to the Registration Statement; and to Articles I, V and VI
    of the Registrant's By-Laws, filed as Exhibit 2 with Post-Effective
    Amendment No. 3 to the Registration Statement.

(c) Filed on July 30, 1993 as an Exhibit to the Registration Statement.

(d) Filed on September 3, 1993 as an Exhibit to Pre-Effective Amendment No. 1
    to the Registration Statement.

(e) Filed on February 24, 1994 as an Exhibit to Post-Effective Amendment No. 1
    to the Registration Statement.

(f) Filed on October 14, 1994 as an Exhibit to Post-Effective Amendment
    No. 2 to the Registration Statement.

(g) Incorporated by reference to Exhibit 8 to Post-Effective Amendment No. 3 to
    Registrant's Registration Statement on Form N-1A under the Securities Act
    of 1933, as amended, filed on October 14, 1994, relating to shares of the
    Merrill Lynch Minnesota Municipal Bond Fund series of the Registrant (File
    No. 33-44734).

(h) Incorporated by reference to Exhibit 18 to Post-Effective Amendment No. 13
    to Registrant's Registration Statement on Form N-1A under the Securities
    Act of 1933, as amended, filed on January 25, 1996, relating to shares of
    the Merrill Lynch New York Municipal Bond Fund series of the Registrant
    (File No. 2-99473).

   
(i) Previously filed as an Exhibit to the Registration Statement.
    


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

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

                                      C-2
<PAGE>

ITEM 26. NUMBER OF HOLDERS OF SECURITIES.
   
<TABLE>
<CAPTION>
                                                                        NUMBER OF
                                                                        HOLDERS AT
                                                                    SEPTEMBER 30, 1998
TITLE OF CLASS                                                     -------------------
<S>                                                                <C>
Class A shares of beneficial interest, par value $0.10 per share..         147
Class B shares of beneficial interest, par value $0.10 per share..         790
Class C shares of beneficial interest, par value $0.10 per share..          94
Class D shares of beneficial interest, par value $0.10 per share..          52
</TABLE>
    

- ---------
   
Note: The number of holders shown above includes holders of record plus
      beneficial owners, whose shares are held of record by Merrill Lynch,
      Pierce, Fenner & Smith Incorporated ("Merrill Lynch").
    


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 of 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 moneys for actions
based upon the 1940 Act 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 which it
is ultimately determined that he or she 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.

     In Section 9 of the Class A, Class B, Class C and Class D Shares
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, as
amended (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


                                      C-3
<PAGE>

person of the Registrant and the principal underwriter in connection with the
successful defense of any action, suit or proceeding) is asserted by such
Trustee, 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" or "FAM") acts as the
investment adviser for the following open-end registered investment companies:
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., Financial Institutions Series Trust, Merrill
Lynch Basic Value Fund, Inc., Merrill Lynch California Municipal Series Trust,
Merrill Lynch Corporate Bond Fund, Inc., Merrill Lynch Corporate High Yield
Fund, Inc., Merrill Lynch Emerging Tigers Fund, Inc., Merrill Lynch Federal
Securities Trust, Merrill Lynch Funds for Institutions Series, Merrill Lynch
Multi-State 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. and The Municipal Fund Accumulation Program, Inc.; and the
following closed-end registered investment companies: Apex Municipal Fund,
Inc., Corporate High Yield Fund, Inc., Corporate High Yield Fund II, Inc.,
Corporate High Yield Fund III, Inc., Debt Strategies Fund, Inc., Debt
Strategies Fund II, Inc., Debt Strategies Fund III, Inc., Income Opportunities
Fund 1999, Inc., Income Opportunities Fund 2000, Inc., Merrill Lynch Municipal
Strategy Fund, Inc., MuniAssets Fund, Inc., MuniEnhanced Fund, Inc.,
MuniHoldings California Insured Fund, Inc., MuniHoldings California Insured
Fund II, Inc., MuniHoldings California Insured Fund III, Inc., MuniHoldings
Florida Insured Fund, MuniHoldings Florida Insured Fund II, MuniHoldings
Florida Insured Fund III, MuniHoldings Fund, Inc., MuniHoldings Fund II, Inc.,
MuniHoldings Insured Fund, Inc., MuniHoldings New Jersey Insured Fund, Inc.,
MuniHoldings New Jersey Insured Fund II, Inc., MuniHoldings New York Fund,
Inc., MuniHoldings New York Insured Fund, Inc., MuniHoldings New York Insured
Fund II, Inc., MuniInsured Fund, Inc., MuniVest Fund, Inc., MuniVest Fund II,
Inc., MuniVest Florida Fund, MuniVest Michigan Insured Fund, Inc., MuniVest New
Jersey Fund, Inc., MuniVest Pennsylvania Insured Fund, MuniYield Arizona Fund,
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 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
Pennsylvania Fund, MuniYield Quality Fund, Inc., MuniYield Quality Fund II,
Inc., Senior High Income Portfolio, Inc. and Worldwide DollarVest Fund, Inc.

   
     Merrill Lynch Asset Management, L.P. ("MLAM"), an affiliate of the
Manager, acts as the investment adviser for the following open-end registered
investment companies: Merrill Lynch Adjustable Rate Securities Fund, Inc.,
Merrill Lynch Americas Income Fund, Inc., Merrill Lynch Asset Builder Program,
Inc., Merrill Lynch Asset Growth Fund, Inc., Merrill Lynch Asset Income Fund,
Inc., Merrill Lynch Capital Fund, Inc., Merrill Lynch Convertible 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 Allocation Fund,
Inc., Merrill Lynch Global Bond Fund for Investment and Retirement, Merrill
Lynch Global Holdings, Inc., Merrill Lynch Global Resources Trust, Merrill
Lynch Global SmallCap Fund, Inc., Merrill Lynch Global Technology Fund, Inc.,
Merrill Lynch Global Utility Fund, Inc., Merrill Lynch Global Value Fund, Inc.,
Merrill Lynch Growth Fund, Merrill Lynch Healthcare Fund, Inc., Merrill Lynch
Intermediate Government Bond Fund, Merrill Lynch International Equity Fund,
Merrill Lynch Latin America Fund, Inc., Merrill Lynch Middle East/Africa Fund,
Inc., Merrill Lynch Municipal Series Trust, Merrill Lynch Pacific Fund, Inc.,
Merrill Lynch Ready Assets Trust, Merrill Lynch Real Estate Fund, Inc., Merrill
Lynch Retirement Series Trust, 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., Merrill Lynch Variable Series Funds, Inc. and Hotchkis and Wiley Funds
(advised by Hotchkis and Wiley, a division of MLAM); and for the following
closed-end registered investment companies: Merrill Lynch High Income Municipal
Bond Fund, Inc. and Merrill Lynch Senior Floating Rate Fund, Inc. MLAM also
acts as sub-adviser to Merrill Lynch World Strategy Portfolio and Merrill Lynch
Basic Value Equity Portfolio, two investment portfolios of EQ Advisors Trust.

     The address of each of these registered 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 Intermediate Government
Bond Fund is One Financial Center, 23rd Floor, Boston, Massachusetts
02111-2665. The address of the Manager, MLAM, Princeton
    


                                      C-4
<PAGE>

   
Services, Inc. ("Princeton Services") and Princeton Administrators, L.P.
("Princeton Administrators") is also P.O. Box 9011, Princeton, New Jersey
08543-9011. The address of Princeton Funds Distributor, Inc. ("PFD") and of
Merrill Lynch Funds Distributor ("MLFD") is P.O. Box 9081, Princeton, New
Jersey 08543-9081. 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
10281-1201. The address of the Fund's transfer agent, Financial Data Services,
Inc. ("FDS"), is 4800 Deer Lake 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 or entity has been engaged since
August 1, 1996 for his, her or its own account or in the capacity of director,
officer, partner or trustee. In addition, Mr. Zeikel is President, Mr. Glenn is
Executive Vice President and Mr. Richard is Treasurer of substantially all of
the investment companies described in the preceding paragraphs and Messrs.
Giordano, Harvey, Kirstein, and Monagle are 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; Limited
                                                         Partner of MLAM

Princeton Services .......... General Partner          General Partner of MLAM

Arthur Zeikel ............... Chairman                 Chairman of MLAM; President of MLAM
                                                         and FAM from 1977 to 1997; Chairman
                                                         and Director of Princeton Services;
                                                         President of Princeton Services from 1993
                                                         to 1997; Executive Vice President of ML& Co.

Jeffrey M. Peek ............. President                President of MLAM; President and Director
                                                         of Princeton Services; Executive Vice
                                                         President of ML&Co.; Managing Director
                                                         and Co-Head of the Investment Banking
                                                         Division of Merrill Lynch in 1997; Senior
                                                         Vice President and Director of the Global
                                                         Securities and Economics Division of
                                                         Merrill Lynch from 1995 to 1997.

Mark DeSario ................ Senior Vice President    Senior Vice President of MLAM 

Terry K. Glenn .............. Executive Vice           Executive Vice President of MLAM;
                                President                Executive Vice President and Director of
                                                         Princeton Services; President and Director
                                                         of PFD; Director of FDS; President of
                                                         Princeton Administrators

Linda L. Federici ........... 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; Senior Vice
                                                         President of Princeton Services

Norman R. Harvey ............ Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                         President of Princeton Services

Michael J. Hennewinkel ...... Senior Vice President,   Senior Vice President, Secretary and General
                                Secretary and            Counsel of MLAM; Senior Vice President
                                General Counsel          of Princeton Services

Philip L. Kirstein .......... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                         President and Secretary of Princeton Services

Ronald M. Kloss ............. 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>
Debra W. Landsman-Yaros ..... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services; Vice
                                                        President of PFD

Stephen M.M. Miller ......... Senior Vice President   Executive Vice President of Princeton
                                                        Administrators; Senior Vice President of
                                                        Princeton Services

Joseph T. Monagle, Jr. ...... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services

Brian A. Murdock ............ Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services; Director of
                                                        PFD

Michael L. Quinn ............ Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services; Managing
                                                        Director and First Vice President of Merrill
                                                        Lynch from 1989 to 1995

Gerald M. Richard ........... Senior Vice President   Senior Vice President and Treasurer of
                                and Treasurer           MLAM; Senior Vice President and
                                                        Treasurer of Princeton Services; Vice
                                                        President and Treasurer of PFD

Gregory Upah ................ Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services

Ronald L. Welburn ........... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                        President of Princeton Services
</TABLE>
    

ITEM 29. PRINCIPAL UNDERWRITERS.

   
     (a) MLFD, a division of PFD, acts as the principal underwriter for the
Registrant and for each of the open-end registered investment companies
referred to in the first two paragraphs of Item 28 except 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., and The Municipal Fund Accumulation Program, Inc. MLFD also acts
as the principal underwriter for the following closed-end registered investment
companies: Merrill Lynch High Income Municipal Bond Fund, Inc., Merrill Lynch
Municipal Strategy Fund, Inc. and Merrill Lynch Senior Floating Rate Fund, Inc.
A separate division of PFD acts as the principal underwriter of a number of
other investment companies.

     (b) Set forth below is information concerning each director and officer of
PFD. The principal business address of each such person is P.O. Box 9011,
Princeton, New Jersey 08543-9011, except that the address of Messrs. Breen,
Crook, Fatseas and Wasel is One Financial Center, 23rd Floor, Boston,
Massachusetts 02111-2665.
    

   
<TABLE>
<CAPTION>
                                        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
Brian A. Murdock ................   Director                         None
Thomas J. Verage ................   Director                         None
Robert W. Crook .................   Senior Vice President            None
Michael J. Brady ................   Vice President                   None
William M. Breen ................   Vice President                   None
Michael G. Clark ................   Vice President                   None
James T. Fatseas ................   Vice President                   None
Debra W. Landsman-Yaros .........   Vice President                   None
Michelle T. Lau .................   Vice President                   None
Gerald M. Richard ...............   Vice President and Treasurer     Treasurer
Salvatore Venezia ...............   Vice President                   None
William Wasel ...................   Vice President                   None
Robert Harris ...................   Secretary                        None
</TABLE>
    

     (c) Not applicable.
                                      C-6
<PAGE>
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, 800 Scudders Mill
Road, Plainsboro, New Jersey 08536, and its transfer agent, Financial Data
Services, Inc., 4800 Deer Lake Drive East, Jacksonville, Florida 32246-6484.
    


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, the Registrant is not a party to any
management-related service contract.
    


ITEM 32. UNDERTAKINGS.

     (a) Not applicable.

     (b) Not applicable.

   
     (c) The Registrant 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 Post-Effective Amendment to its Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in
the Township of Plainsboro, and the State of New Jersey, on the 5th day of
November, 1998.
    

                                        MERRILL LYNCH MULTI-STATE MUNICIPAL
                                                    SERIES TRUST
                                                    (Registrant)



                                        By:   /s/ GERALD M. RICHARD
                                          -------------------------------------
                                              (GERALD M. RICHARD, TREASURER)


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



   
<TABLE>
<CAPTION>
                    SIGNATURE                                     TITLE                      DATE
                    ---------                                     -----                      ----         
<S>                                                <C>                                 <C>
           ARTHUR ZEIKEL*                          President and Trustee (Principal
- -----------------------------------                  Executive Officer)
          (ARTHUR ZEIKEL)                          

        GERALD M. RICHARD*                         Treasurer (Principal Financial and
- -----------------------------------                  Accounting Officer)
       (GERALD M. RICHARD)                         

        JAMES H. BODURTHA*                         Trustee
- -----------------------------------
       (JAMES H. BODURTHA)

        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/ GERALD M. RICHARD                                         November 5, 1998
   --------------------------------
(GERALD M. RICHARD, ATTORNEY-IN-FACT)
</TABLE>
    

 


                                      C-8
<PAGE>

                                 EXHIBIT INDEX
<TABLE>
<CAPTION>
   EXHIBIT
    NUMBER                                      DESCRIPTION
- -------------                                   -----------
<S>           <C>
       11      -- Consent of Deloitte & Touche LLP, independent auditors for the Registrant.
       17(a)   -- Financial Data Schedule for Class A shares.
         (b)   -- Financial Data Schedule for Class B shares.
         (c)   -- Financial Data Schedule for Class C shares.
         (d)   -- Financial Data Schedule for Class D shares.
</TABLE>

<TABLE> <S> <C>
                               
<ARTICLE> 6
<SERIES>
   <NUMBER> 151
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND--CLASS A
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1998
<PERIOD-START>                             AUG-01-1997
<PERIOD-END>                               JUL-31-1998
<INVESTMENTS-AT-COST>                         27678233
<INVESTMENTS-AT-VALUE>                        29445337
<RECEIVABLES>                                   391351
<ASSETS-OTHER>                                  272816
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                30109504
<PAYABLE-FOR-SECURITIES>                        983020
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       103213
<TOTAL-LIABILITIES>                            1086233
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      28574648
<SHARES-COMMON-STOCK>                           235059
<SHARES-COMMON-PRIOR>                           199533
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (1318481)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1767104
<NET-ASSETS>                                   2303381
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              1486530
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (319195)
<NET-INVESTMENT-INCOME>                        1167335
<REALIZED-GAINS-CURRENT>                        300420
<APPREC-INCREASE-CURRENT>                        49884
<NET-CHANGE-FROM-OPS>                          1517639
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (102297)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          86747
<NUMBER-OF-SHARES-REDEEMED>                    (58645)
<SHARES-REINVESTED>                               7424
<NET-CHANGE-IN-ASSETS>                         2322813
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (1618900)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           147950
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 448980
<AVERAGE-NET-ASSETS>                           2119433
<PER-SHARE-NAV-BEGIN>                             9.66
<PER-SHARE-NII>                                    .47
<PER-SHARE-GAIN-APPREC>                            .14
<PER-SHARE-DIVIDEND>                             (.47)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.80
<EXPENSE-RATIO>                                   1.21
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>
                                 
<ARTICLE> 6
<SERIES>
   <NUMBER> 152
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND--CLASS B
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1998
<PERIOD-START>                             AUG-01-1997
<PERIOD-END>                               JUL-31-1998
<INVESTMENTS-AT-COST>                         27678233
<INVESTMENTS-AT-VALUE>                        29445337
<RECEIVABLES>                                   391351
<ASSETS-OTHER>                                  272816
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                30109504
<PAYABLE-FOR-SECURITIES>                        983020
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       103213
<TOTAL-LIABILITIES>                            1086233
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      28574648
<SHARES-COMMON-STOCK>                          2377971
<SHARES-COMMON-PRIOR>                          2261043
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (1318481)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1767104
<NET-ASSETS>                                  23306350
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              1486530
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (319195)
<NET-INVESTMENT-INCOME>                        1167335
<REALIZED-GAINS-CURRENT>                        300420
<APPREC-INCREASE-CURRENT>                        49884
<NET-CHANGE-FROM-OPS>                          1517639
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                     (939203)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         485875
<NUMBER-OF-SHARES-REDEEMED>                   (417635)
<SHARES-REINVESTED>                              48688
<NET-CHANGE-IN-ASSETS>                         2322813
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (1618900)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           147950
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 448980
<AVERAGE-NET-ASSETS>                          21762980
<PER-SHARE-NAV-BEGIN>                             9.66
<PER-SHARE-NII>                                    .42
<PER-SHARE-GAIN-APPREC>                            .14
<PER-SHARE-DIVIDEND>                             (.42)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.80
<EXPENSE-RATIO>                                   1.72
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>
                               
<ARTICLE> 6
<SERIES>
   <NUMBER> 153
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND--CLASS C
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1998
<PERIOD-START>                             AUG-01-1997
<PERIOD-END>                               JUL-31-1998
<INVESTMENTS-AT-COST>                         27678233
<INVESTMENTS-AT-VALUE>                        29445337
<RECEIVABLES>                                   391351
<ASSETS-OTHER>                                  272816
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                30109504
<PAYABLE-FOR-SECURITIES>                        983020
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       103213
<TOTAL-LIABILITIES>                            1086233
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      28574648
<SHARES-COMMON-STOCK>                           235257
<SHARES-COMMON-PRIOR>                           210815
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (1318481)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1767104
<NET-ASSETS>                                   2306397
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              1486530
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (319195)
<NET-INVESTMENT-INCOME>                        1167335
<REALIZED-GAINS-CURRENT>                        300420
<APPREC-INCREASE-CURRENT>                        49884
<NET-CHANGE-FROM-OPS>                          1517639
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (80611)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          87052
<NUMBER-OF-SHARES-REDEEMED>                    (69148)
<SHARES-REINVESTED>                               6538
<NET-CHANGE-IN-ASSETS>                         2322813
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (1618900)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           147950
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 448980
<AVERAGE-NET-ASSETS>                           1913570
<PER-SHARE-NAV-BEGIN>                             9.67
<PER-SHARE-NII>                                    .41
<PER-SHARE-GAIN-APPREC>                            .13
<PER-SHARE-DIVIDEND>                             (.41)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.80
<EXPENSE-RATIO>                                   1.82
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>
                                
<ARTICLE> 6
<SERIES>
   <NUMBER> 154
   <NAME> MERRILL LYNCH MARYLAND MUNICIPAL BOND FUND--CLASS D
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1998
<PERIOD-START>                             AUG-01-1997
<PERIOD-END>                               JUL-31-1998
<INVESTMENTS-AT-COST>                         27678233
<INVESTMENTS-AT-VALUE>                        29445337
<RECEIVABLES>                                   391351
<ASSETS-OTHER>                                  272816
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                30109504
<PAYABLE-FOR-SECURITIES>                        983020
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       103213
<TOTAL-LIABILITIES>                            1086233
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                      28574648
<SHARES-COMMON-STOCK>                           113019
<SHARES-COMMON-PRIOR>                            91448
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (1318481)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       1767104
<NET-ASSETS>                                   1107143
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                              1486530
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (319195)
<NET-INVESTMENT-INCOME>                        1167335
<REALIZED-GAINS-CURRENT>                        300420
<APPREC-INCREASE-CURRENT>                        49884
<NET-CHANGE-FROM-OPS>                          1517639
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                      (45224)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          53614
<NUMBER-OF-SHARES-REDEEMED>                    (34670)
<SHARES-REINVESTED>                               2627
<NET-CHANGE-IN-ASSETS>                         2322813
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                    (1618900)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           147950
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 448980
<AVERAGE-NET-ASSETS>                            957461
<PER-SHARE-NAV-BEGIN>                             9.66
<PER-SHARE-NII>                                    .46
<PER-SHARE-GAIN-APPREC>                            .14
<PER-SHARE-DIVIDEND>                             (.46)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.80
<EXPENSE-RATIO>                                   1.31
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


                                                                     EXHIBIT 11

INDEPENDENT AUDITORS' CONSENT

Merrill Lynch Maryland Municipal Bond Fund of
Merrill Lynch Multi-State Municipal Series Trust:

We consent to the incorporation by reference in this Post Effective Amendment
No. 6 to Registration Statement No. 33-49873 of our report dated September 4,
1998 appearing in the annual report to shareholders of Merrill Lynch
Maryland Municipal Bond Fund for the year ended July 31, 1998, and to the
reference to us under the caption "Financial Highlights" in the Prospectus,
which is a part of such Registration Statement.



/s/ DELOITTE & TOUCHE LLP


Deloitte & Touche LLP
Princeton, New Jersey
November 5, 1998


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