MERRILL LYNCH AMERICAS INCOME FUND INC
485BPOS, 1998-04-01
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<PAGE>

   
AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 1, 1998
                                                SECURITIES ACT FILE NO. 33-64398
                                        INVESTMENT COMPANY ACT FILE NO. 811-7794
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       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. 9                         /X/
     
                        (CHECK APPROPRIATE BOX OR BOXES)
 
                            ------------------------
 
                    MERRILL LYNCH AMERICAS INCOME FUND, INC.
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
   
                             800 SCUDDERS MILL ROAD
                          PLAINSBORO, NEW JERSEY 08536
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
    
 
                                 (609) 282-2800
   
             (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)
     
                            ------------------------
 
                                 ARTHUR ZEIKEL
                    MERRILL LYNCH AMERICAS INCOME FUND, INC.
                 800 SCUDDERS MILL ROAD, PLAINSBORO, NEW JERSEY
        MAILING ADDRESS: P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011

                    (NAME AND ADDRESS OF AGENT FOR SERVICE)
 
                            ------------------------
 
                                   COPIES TO:
 
<TABLE>
<S>                                                              <C>
                     COUNSEL TO THE FUND:                                           PHILIP L. KIRSTEIN, ESQ.
                       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.
</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: COMMON STOCK, PAR VALUE $.10 PER SHARE
    
 
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- --------------------------------------------------------------------------------

<PAGE>

                    MERRILL LYNCH AMERICAS INCOME FUND, INC.

                      REGISTRATION STATEMENT ON FORM N-1A
 
                             CROSS REFERENCE SHEET
 
<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                       LOCATION
- --------------                                                   -----------------------------------------------
<S>             <C>                                              <C>
PART A
     Item 1.    Cover Page.....................................  Cover Page
     Item 2.    Synopsis.......................................  Fee Table; Merrill Lynch Select Pricing(SM)
                                                                   System
     Item 3.    Condensed Financial Information................  Financial Highlights
     Item 4.    General Description of Registrant..............  Investment Objective and Policies; Additional
                                                                   Information
     Item 5.    Management of the Fund.........................  Fee Table; Investment Objective and Policies;
                                                                   Portfolio Transactions; Management of the
                                                                   Fund; Inside Back Cover Page
     Item 5A.   Management's Discussion of Fund
                Performance....................................  Not Applicable
     Item 6.    Capital Stock and Other Securities.............  Cover Page; Additional Information
     Item 7.    Purchase of Securities Being Offered...........  Cover Page; Fee Table; Merrill Lynch Select
                                                                   Pricing(SM) System; Purchase of Shares;
                                                                   Shareholder Services; Additional Information;
                                                                   Inside Back Cover Page
     Item 8.    Redemption or Repurchase.......................  Fee Table; Merrill Lynch Select Pricing(SM)
                                                                   System; Shareholder Services; Purchase of
                                                                   Shares; Redemption of Shares
     Item 9.    Pending Legal Proceedings......................  Not Applicable

PART B
     Item 10.   Cover Page.....................................  Cover Page
     Item 11.   Table of Contents..............................  Back Cover Page
     Item 12.   General Information and History................  Not Applicable
     Item 13.   Investment Objectives and Policies.............  Investment Objective and Policies
     Item 14.   Management of the Fund.........................  Management of the Fund
     Item 15.   Control Persons and Principal Holders of
                Securities.....................................  Management of the Fund; General Information
     Item 16.   Investment Advisory and Other Services.........  Management of the Fund; Purchase of Shares;
                                                                   General Information
     Item 17.   Brokerage Allocation and Other Practices.......  Portfolio Transactions and Brokerage
     Item 18.   Capital Stock and Other Securities.............  General Information
     Item 19.   Purchase, Redemption and Pricing of
                Securities Being Offered.......................  Purchase of Shares; Redemption of Shares;
                                                                   Determination of Net Asset Value; Shareholder
                                                                   Services; General Information
     Item 20.   Tax Status.....................................  Dividends and Distributions; Taxes
     Item 21.   Underwriter....................................  Purchase of Shares
     Item 22.   Calculation of Performance Data................  Performance Data

     Item 23.   Financial Statements...........................  Financial Statements
</TABLE>

PART C
 
     Information required to be included in Part C is set forth under the
appropriate Item, so numbered, in Part C to this Registration Statement.

<PAGE>

   
PROSPECTUS
APRIL 1, 1998
    
 
                    MERRILL LYNCH AMERICAS INCOME FUND, INC.
   P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011 o PHONE NO. (609) 282-2800
 
     Merrill Lynch Americas Income Fund, Inc. (the 'Fund') is a non-diversified,
open-end management investment company that seeks a high level of current
income, consistent with prudent investment risk, by investing primarily in debt
securities denominated in a currency of a country located in the Western
Hemisphere (i.e., North and South America and the surrounding waters). The Fund
may at times utilize certain investment techniques, including options and
futures, to increase investment return or to hedge all or a portion of its
portfolio against interest rate, market and currency risks. In addition, the
Fund is authorized to borrow funds and to utilize leverage in amounts not to
exceed 33 1/3% of its total assets. There can be no assurance that the Fund's
investment objective will be achieved. Investment in securities of foreign
issuers involves certain special considerations and risk factors. See
'Investment Objective and Policies--Special Considerations and Risk
Factors--Foreign Investments.' 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. As a
result of the implementation of the Merrill Lynch Select Pricing(SM) System,
Class A shares of the Fund outstanding prior to October 21, 1994, were
redesignated Class D shares. The Class A shares offered by this Prospectus
differ from the Class A shares offered prior to October 21, 1994 in many
respects, including sales charges, exchange privilege and the classes of persons
to whom such shares are offered. See 'Merrill Lynch Select Pricing(SM) System'
on page 4.

    
     Shares may be purchased directly from Merrill Lynch Funds Distributor, Inc.
(the 'Distributor'), P.O. Box 9081, Princeton, New Jersey 08543-9081 [(609)
282-2800] and other securities dealers that have entered into selected dealers

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 retirement plans the minimum
initial purchase is $100, and the minimum subsequent purchase is $1 and for
participants in certain fee-based programs the minimum initial purchase is $500,
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 Merrill Lynch
Financial Data Services, Inc., the Fund's transfer agent (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 April 1, 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 the
Fund 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.
    
                            ------------------------
 
              MERRILL LYNCH ASSET MANAGEMENT -- INVESTMENT ADVISER
              MERRILL LYNCH FUNDS DISTRIBUTOR, INC. -- DISTRIBUTOR


<PAGE>

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

    
<TABLE>
<CAPTION>
                                         CLASS A (a)         CLASS B (b)           CLASS C             CLASS D
                                      ------------------  ------------------  ------------------  ------------------
<S>                                   <C>                 <C>                 <C>                 <C>
SHAREHOLDER TRANSACTION EXPENSES:
  Maximum Sales Charge Imposed on

    Purchases (as a percentage of
    offering price).................       4.00%(c)              None                None              4.00%(c)
  Sales Charge Imposed on Dividend
    Reinvestments...................         None                None                None                None
  Deferred Sales Charge (as a
    percentage of original purchase
    price or redemption proceeds,
    whichever is lower).............       None(d)         4.0% during the         1.0% for            None(d)
                                                             first year,         one year(f)
                                                           decreasing 1.0%
                                                               annually
                                                          thereafter to 0.0%
                                                           after the fourth
                                                               year(e)
  Exchange Fee......................         None                None                None                None
ANNUAL FUND OPERATING EXPENSES (AS A
  PERCENTAGE OF AVERAGE NET ASSETS):
  Investment Advisory Fees(g).......        0.61%               0.61%               0.61%               0.61%
  12b-1 Fees(h):
    Account Maintenance Fees........         None               0.25%               0.25%               0.25%
    Distribution Fees...............         None               0.50%               0.55%                None
                                                           (Class B shares
                                                          convert to Class D
                                                                shares
                                                            automatically
                                                                after
                                                          approximately ten
                                                           years and cease
                                                           being subject to
                                                          distribution fees)
  Other Expenses:
    Shareholder Servicing
      Costs(i)......................        0.19%               0.21%               0.22%               0.18%
    Other...........................        0.68%               0.69%               0.70%               0.69%
                                            ----                ----                ----                ----
      Total Other Expenses..........        0.87%               0.90%               0.92%               0.87%
                                            ----                ----                ----                ----
Total Fund Operating Expenses.......        1.48%               2.26%               2.33%               1.73%
                                            ----                ----                ----                ----
                                            ----                ----                ----                ----
</TABLE>
    
 
- ------------------
 
   
<TABLE>
<S>   <C>
(a)   Class A shares are sold to a limited group of investors including existing Class A shareholders, certain
      retirement plans and participants in certain fee-based programs. See 'Purchase of Shares--Initial Sales Charge
      Alternatives--Class A and Class D Shares' on page 29 and 'Shareholder Services--Fee-Based Programs' on page
      40.
(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' on page 31.

(c)   Reduced for purchases of $25,000 and over, and waived for purchases of Class A shares by certain retirement
      plans and participants in connection with certain fee-based programs. Class A or 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' on page 29.
(d)   Class A and Class D shares are not subject to a contingent deferred sales charge ('CDSC'), except that certain
      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' on page 40.
(e)   The CDSC may be modified in connection with certain fee-based programs. See 'Shareholder Services--Fee-Based
      Programs' on page 40.
(f)   The CDSC may be waived in connection with certain fee-based programs. See 'Shareholder Services--Fee-Based
      Programs' on page 40.
(g)   See 'Management of the Fund--Advisory and Management Arrangements' on page 25.
(h)   See 'Purchase of Shares--Distribution Plans' on page 34.
(i)   See 'Management of the Fund--Transfer Agency Services' on page 26.
</TABLE>
    
 
                                       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..................................................................    $ 54       $85       $ 118       $210
  Class B..................................................................    $ 63       $91       $ 121       $260
  Class C..................................................................    $ 34       $73       $ 125       $267
  Class D..................................................................    $ 57       $92       $ 130       $236
An investor would pay the following expenses on the same $1,000 investment
  assuming no redemption at the end of the period:
  Class A..................................................................    $ 54       $85       $ 118       $210
  Class B..................................................................    $ 23       $71       $ 121       $260
  Class C..................................................................    $ 24       $73       $ 125       $267
  Class D..................................................................    $ 57       $92       $ 130       $236
</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 the 'Investment Adviser') or its affiliate, Fund Asset
Management, L.P. ('FAM'). 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 and 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 the most beneficial under his or her particular circumstances. More
detailed information as to each class of shares is set forth under 'Purchase of
Shares.'

    
<TABLE>
<CAPTION>
                                                           ACCOUNT
                                                         MAINTENANCE    DISTRIBUTION              CONVERSION
  CLASS                  SALES CHARGE(1)                     FEE            FEE                     FEATURE
<S>         <C>                                          <C>            <C>             <C>
    A        Maximum 4.00% initial sales charge(2)(3)        No              No                       No
    B       CDSC for a period of four years, at a rate      0.25%          0.50%         B shares convert to D shares
            of 4.0% during the first year, decreasing                                         automatically after
                     1.0% annually to 0.0%(4)                                             approximately ten years(5)
    C               1.0% CDSC for one year(6)               0.25%          0.55%                      No
    D         Maximum 4.00% initial sales charge(3)         0.25%            No                       No
</TABLE>

    
   
                                                 (Footnotes on following page) 
    
                                       4
<PAGE>
- ------------------
(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 certain retirement plans and 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. A 0.75% sales charge

    for 401(k) purchases over $1,000,000 will apply. 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
    retirement plans was modified. Also, Class B shares of certain other
    MLAM-advised mutual funds into which exchanges may be made have an
    eight-year conversion period. If Class B shares of the Fund are exchanged
    for Class B shares of another MLAM-advised mutual fund, the conversion
    period applicable to the Class B shares acquired in the exchange will apply,
    and the holding period for the shares exchanged will be tacked onto 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 of the Fund 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 certain retirement plans and 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, FAM and certain other entities directly or indirectly
          wholly owned and controlled by ML & Co.) and to 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 certain retirement plans
          and 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 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.'

    
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 0.50% of the Fund's average net
          assets attributable to Class B shares, and a CDSC if they are redeemed
          within four years of purchase. The 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 an account maintenance fee
          but no distribution fee; Class B shares of certain other MLAM-advised
          mutual funds into which exchanges may be made convert into Class D
          shares automatically after approximately eight years. If Class B
          shares of the Fund are exchanged for Class B shares of another
          MLAM-advised mutual fund, the conversion period applicable to the

          Class B shares acquired in the exchange will apply, and the holding
          period for the shares exchanged will be tacked onto 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.
    
 
                                       5
<PAGE>
          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, and the conversion and holding
          periods for certain retirement plans, are 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 0.55% of the Fund's average net
          assets attributable to Class C shares. Class C shares are also subject
          to a 1.0% CDSC if they are redeemed within one year of 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), Class C shares have no conversion
          feature and, accordingly, an investor who purchases Class C shares
          will be subject to distribution fees that will be imposed on Class C
          shares for an indefinite period subject to annual approval by the
          Fund's Board of Directors 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 0.25% 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 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
          schedule of initial sales charges and reductions for Class D shares is
          the same as the schedule for Class A shares, except that there is no
          waiver for purchases by retirement plans and participants 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 or
her particular circumstances.

    
     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 deferred sales charges imposed in connection with purchases of
Class B or Class C shares. Investors not qualifying for reduced initial sales
charges who expect to maintain their investment for an extended period of time
also may elect to purchase Class A or Class D shares, because over time the
accumulated ongoing account maintenance and distribution fees on Class B or
Class C shares may exceed the initial sales charge and, in the case of Class D
shares, the account maintenance fee. Class A, 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
    
 
                                       6

<PAGE>

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 forego 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
conjunction with the annual audits of the financial statements of the Fund by
Deloitte & Touche LLP, independent auditors. Financial statements and the
independent auditors' report thereon for the fiscal year ended December 31,
1997, are included in the Statement of Additional Information. Further
information about the performance of the Fund is contained in the Fund's most
recent annual report to shareholders which may be obtained, without charge, by
calling or by writing the Fund at the telephone number or address on the front
cover of this Prospectus.
    
 
     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 PERIOD
                                                                                                     OCT. 21,
                                                         FOR THE YEAR ENDED DEC. 31,                 1994+ TO
                                              -------------------------------------------------      DEC. 31,
                                                     1997                1996++          1995          1994
                                              ------------------   ------------------   -------   --------------
<S>                                           <C>                  <C>                  <C>       <C>
Increase (Decrease) in Net Asset Value:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period.........      $       11.36        $        9.70   $  8.51      $   9.08
                                                         -------             --------   -------   --------------
Investment income--net.......................                .72                  .97       .94           .17
Realized and unrealized gain (loss) on
  investments and foreign currency
  transactions--net..........................               (.54)                2.14      1.19          (.57)
                                                         -------             --------   -------   --------------
Total from investment operations.............                .18                 3.11      2.13          (.40)
                                                         -------             --------   -------   --------------
Less dividends and distributions:
  Investment income--net.....................               (.72)               (1.00)     (.94)         (.14)
  In excess of investment income--net........                 --                 (.13)       --            --
  Realized gain on investments--net..........               (.93)                (.32)       --          (.03)
  In excess of realized gain on
    investments--net.........................               (.29)                  --        --            --
                                                         -------             --------   -------   --------------
Total dividends and distributions............              (1.94)               (1.45)     (.94)         (.17)
                                                         -------             --------   -------   --------------
Net asset value, end of period...............      $        9.60        $       11.36   $  9.70      $   8.51
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
TOTAL INVESTMENT RETURN:**
Based on net asset value per share...........               1.74%               33.64%    27.27%        (4.45)%#

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

RATIOS TO AVERAGE NET ASSETS:
Expenses, excluding interest expense and net
  of reimbursement...........................               1.38%                1.05%     1.20%         1.22%*
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Expenses, excluding interest expense.........               1.38%                1.05%     1.20%         1.22%*
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Expenses.....................................               1.48%                1.32%     1.36%         1.91%*
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Investment income--net.......................               6.31%                8.97%    11.25%         8.63%*
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands).....      $       4,842        $      28,136   $ 1,165      $    253
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Portfolio turnover...........................             942.74%              420.35%   127.17%       353.33%
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
LEVERAGE:
Amount of reverse repurchase agreements
  outstanding, end of period (in
  thousands).................................      $          --        $      22,350   $10,265      $ 17,058
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Average amount of reverse repurchase
  agreements outstanding during the period
  (in thousands).............................      $       3,185        $       8,277   $ 2,640      $ 17,315
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
Average amount of reverse repurchase
  agreements per share during the period.....      $         .20        $         .48   $   .20      $   1.19
                                                         -------             --------   -------   --------------
                                                         -------             --------   -------   --------------
 
<CAPTION>
                                                                          CLASS B
                                             -----------------------------------------------------------------
                                                                                                FOR THE PERIOD
                                                                                                   AUG. 27,
                                                        FOR THE YEAR ENDED DEC. 31,                1993+ TO
                                             -------------------------------------------------     DEC. 31,
                                              1997          1996++           1995       1994         1993
                                             -------  ------------------   --------   --------  --------------
<S>                                           <<C>    <C>                  <C>        <C>       <C>
Increase (Decrease) in Net Asset Value:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period.........$ 11.31       $        9.65   $   8.48   $  10.84     $  10.00
                                             -------            --------   --------   --------      -------

Investment income--net.......................    .63                 .88        .88        .75          .24
Realized and unrealized gain (loss) on
  investments and foreign currency
  transactions--net..........................   (.52)               2.15       1.17      (2.36)         .88
                                             -------            --------   --------   --------      -------
Total from investment operations.............    .11                3.03       2.05      (1.61)        1.12
                                             -------            --------   --------   --------      -------
Less dividends and distributions:
  Investment income--net.....................   (.63)               (.93)      (.88)      (.64)        (.24)
  In excess of investment income--net........     --                (.12)        --         --           --
  Realized gain on investments--net..........   (.93)               (.32)        --       (.11)        (.04)
  In excess of realized gain on
    investments--net.........................   (.29)                 --         --         --           --
                                             -------            --------   --------   --------      -------
Total dividends and distributions............  (1.85)              (1.37)      (.88)      (.75)        (.28)
                                             -------            --------   --------   --------      -------
Net asset value, end of period...............$  9.57       $       11.31   $   9.65   $   8.48     $  10.84
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
TOTAL INVESTMENT RETURN:**
Based on net asset value per share...........   1.12%              32.75%     26.10%    (15.08)%       11.30%#
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
RATIOS TO AVERAGE NET ASSETS:
Expenses, excluding interest expense and net
  of reimbursement...........................   2.16%               1.83%      1.97%      1.79%        1.03%*
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
Expenses, excluding interest expense.........   2.16%               1.83%      1.97%      2.00%        2.45%*
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
Expenses.....................................   2.26%               2.10%      2.13%      2.70%        2.53%*
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
Investment income--net.......................   5.76%               8.36%     10.40%      8.14%        6.76%*
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands).....$78,733       $     160,204   $103,465   $101,933     $ 98,848
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
Portfolio turnover........................... 942.74%             420.35%    127.17%    353.33%       75.18%
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
LEVERAGE:
Amount of reverse repurchase agreements
  outstanding; end of period (in
  thousands).................................$    --       $      22,350   $ 10,265   $ 17,058     $ 21,546
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
Average amount of reverse repurchase
  agreements outstanding during the period
  (in thousands).............................$ 3,185       $       8,277   $  2,640   $ 17,315     $ 18,977
                                             -------            --------   --------   --------      -------

                                             -------            --------   --------   --------      -------
Average amount of reverse repurchase
  agreements per share during the period.....$   .20       $         .48   $    .20   $   1.19     $   1.81
                                             -------            --------   --------   --------      -------
                                             -------            --------   --------   --------      -------
</TABLE>
    
 
- ------------
 * Annualized.
   
 ** Total investment returns exclude the effects of sales loads.
    
 + Commencement of operations.
   
++ Based on average shares outstanding.
    
 # Aggregate total investment return.
 
                                       8

<PAGE>

   
                       FINANCIAL HIGHLIGHTS--(Concluded)
    
   
<TABLE>
<CAPTION>
                                                                   CLASS C                                   CLASS D
                                               ------------------------------------------------   -----------------------------
                                                                                 FOR THE PERIOD
                                                                                    OCT. 21,
                                                 FOR THE YEAR ENDED DEC. 31,        1994+ TO       FOR THE YEAR ENDED DEC. 31,
                                               -------------------------------      DEC. 31,      -----------------------------
                                                 1997       1996++      1995          1994         1997      1996++      1995
                                               --------    --------    -------   --------------   -------    -------    -------
<S>                                            <C>         <C>         <C>       <C>              <C>        <C>        <C>
Increase (Decrease) in Net Asset Value:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period........   $  11.31    $   9.65    $  8.47      $   9.08      $ 11.31    $  9.65    $  8.48
                                               --------    --------    -------       -------      -------    -------    -------
Investment income--net......................        .63         .87        .87           .15          .69        .95        .92
Realized and unrealized gain (loss) on
 investments and foreign currency
 transactions--net..........................       (.52)       2.15       1.18         (.61)        (.52)       2.13       1.17
                                               --------    --------    -------       -------      -------    -------    -------
Total from investment operations............        .11        3.02       2.05         (.46)          .17       3.08       2.09
                                               --------    --------    -------       -------      -------    -------    -------
Less dividends and distributions:
 Investment income--net.....................      (.63)       (.92)      (.87)         (.13)        (.69)      (.97)      (.92)
 In excess of investment income--net........         --       (.12)         --            --           --      (.13)         --
 Realized gain on investments--net..........      (.93)       (.32)         --         (.02)        (.93)      (.32)         --
 In excess of realized gain on

   investments--net.........................      (.29)          --         --            --        (.29)         --         --
                                               --------    --------    -------       -------      -------    -------    -------
Total dividends and distributions...........     (1.85)      (1.36)      (.87)         (.15)       (1.91)     (1.42)      (.92)
                                               --------    --------    -------       -------      -------    -------    -------
Net asset value, end of period..............   $   9.57    $  11.31    $  9.65      $   8.47      $  9.57    $ 11.31    $  9.65
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
TOTAL INVESTMENT RETURN:**
Based on net asset value per share..........       1.06%      32.66%     26.18%       (5.06)%#       1.65%     33.44%     26.75%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
RATIOS TO AVERAGE NET ASSETS:
Expenses, excluding interest expense and net
 of reimbursement...........................       2.23%       1.90%      2.05%         2.24%*       1.63%      1.31%      1.44%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Expenses, excluding interest expense........       2.23%       1.90%      2.05%         2.24%*       1.63%      1.31%      1.44%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Expenses....................................       2.33%       2.17%      2.19%         3.05%*       1.73%      1.58%      1.60%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Investment income--net......................       5.64%       8.17%     10.23%         8.87%*       6.30%      8.92%     10.85%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands)....   $  4,222    $ 11,436    $ 1,396      $     75      $12,066    $18,402    $14,169
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Portfolio turnover..........................     942.74%     420.35%    127.17%       353.33%      942.74%    420.35%    127.17%
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
LEVERAGE:
Amount of reverse repurchase agreements
 outstanding, end of period (in
 thousands).................................   $     --    $ 22,350    $10,265      $ 17,058      $    --    $22,350    $10,265
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Average amount of reverse repurchase
 agreements outstanding during the period
 (in thousands).............................   $  3,185    $  8,277    $ 2,640      $ 17,315      $ 3,185    $ 8,277    $ 2,640
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
Average amount of reverse repurchase
 agreements per share during the period.....   $    .20    $    .48    $   .20      $   1.19      $   .20    $   .48    $   .20
                                               --------    --------    -------       -------      -------    -------    -------
                                               --------    --------    -------       -------      -------    -------    -------
 
<CAPTION>
 
                                                        FOR THE PERIOD
                                                           AUG. 27,
                                                           1993+ TO
                                                           DEC. 31,

                                               1994          1993
                                              -------   --------------
<S>                                            <C>      <C>
Increase (Decrease) in Net Asset Value:
PER SHARE OPERATING PERFORMANCE:
Net asset value, beginning of period........  $ 10.84      $  10.00
                                              -------       -------
Investment income--net......................      .80           .26
Realized and unrealized gain (loss) on
 investments and foreign currency
 transactions--net..........................   (2.36)           .88
                                              -------       -------
Total from investment operations............   (1.56)          1.14
                                              -------       -------
Less dividends and distributions:
 Investment income--net.....................    (.68)         (.26)
 In excess of investment income--net........       --            --
 Realized gain on investments--net..........    (.12)         (.04)
 In excess of realized gain on
   investments--net.........................       --            --
                                              -------       -------
Total dividends and distributions...........    (.80)         (.30)
                                              -------       -------
Net asset value, end of period..............  $  8.48      $  10.84
                                              -------       -------
                                              -------       -------
TOTAL INVESTMENT RETURN:**
 Based on net asset value per share.........  (14.65)%        11.49%#
                                              -------       -------
                                              -------       -------
RATIOS TO AVERAGE NET ASSETS:
Expenses, excluding interest expense and net
 of reimbursement...........................     1.28%          .50%*
                                              -------       -------
                                              -------       -------
Expenses, excluding interest expense........     1.48%         1.93%*
                                              -------       -------
                                              -------       -------
Expenses....................................     2.17%         2.03%*
                                              -------       -------
                                              -------       -------
Investment income--net......................     8.65%         7.14%*
                                              -------       -------
                                              -------       -------
SUPPLEMENTAL DATA:
Net assets, end of period (in thousands)....  $14,938      $ 15,076
                                              -------       -------
                                              -------       -------
Portfolio turnover..........................   353.33%        75.18%
                                              -------       -------
                                              -------       -------
LEVERAGE:
Amount of reverse repurchase agreements
 outstanding, end of period (in

 thousands).................................  $17,058      $ 21,546
                                              -------       -------
                                              -------       -------
Average amount of reverse repurchase
 agreements outstanding during the period
 (in thousands).............................  $17,315      $ 18,977
                                              -------       -------
                                              -------       -------
Average amount of reverse repurchase
 agreements per share during the period.....  $  1.19      $   1.81
                                              -------       -------
                                              -------       -------
</TABLE>
    
 
- ------------
 * Annualized.
   
** Total investment returns exclude the effects of sales loads.
    
 + Commencement of operations.
   
++ Based on average shares outstanding.
    
 # Aggregate total investment return.
 
                                       9

<PAGE>

     As discussed elsewhere herein, the Fund is authorized to borrow funds and
to utilize leverage in amounts not to exceed 33 1/3% of its total assets
(including the amount borrowed) and to borrow up to an additional 5% of its
total assets for temporary purposes. The Fund will only borrow when the
Investment Adviser believes that such borrowing will benefit the Fund after
taking into account considerations such as interest income and possible gains or
losses upon liquidation. The following chart provides certain information for
the periods indicated with respect to such borrowings (including bank loans):
 
   
<TABLE>
<CAPTION>
                                                                                 AVERAGE NUMBER
                                        AMOUNT OF DEBT    AVERAGE AMOUNT OF      OF FUND SHARES      AVERAGE AMOUNT OF
                                        OUTSTANDING AT    DEBT OUTSTANDING     OUTSTANDING DURING     DEBT PER SHARE
               PERIOD                   END OF PERIOD     DURING THE PERIOD        THE PERIOD        DURING THE PERIOD
- -------------------------------------   --------------    -----------------    ------------------    -----------------
<S>                                     <C>               <C>                  <C>                   <C>
August 27, 1993* to December 31,
  1993...............................    $ 21,546,000        $18,977,362            10,512,049             $1.81
For the Fiscal Year Ended December
  31, 1994...........................    $ 17,058,000        $17,315,402            14,565,482             $1.19
For the Fiscal Year Ended December
  31, 1995...........................    $ 10,265,476        $ 2,639,633            13,142,615             $0.20
For the Fiscal Year Ended December
  31, 1996...........................    $ 22,350,300        $ 8,277,000            17,243,450             $0.48
For the Fiscal Year Ended December
  31, 1997...........................    $          0        $ 3,185,254            15,949,058             $0.20
                                        --------------    -----------------    ------------------         ------
</TABLE>
    
 
- ------------------
* Commencement of Operations.

                       INVESTMENT OBJECTIVE AND POLICIES
 
     The Fund is a non-diversified, open-end management investment company. The
Fund's investment objective is to seek a high level of current income,
consistent with prudent investment risk, by investing primarily in debt
securities denominated in a currency of a country located in the Western
Hemisphere (i.e., North and South America and the surrounding waters). The
foregoing is a fundamental policy of the Fund and may not be changed without the
approval of the holders of a majority of the Fund's outstanding voting
securities, as defined in the Investment Company Act of 1940, as amended (the
'Investment Company Act'). There can be no assurance that the Fund's investment
objective will be achieved.
 
     MLAM, the Fund's investment adviser, will actively manage the Fund's assets
in response to market, political and general economic conditions in the Western
Hemisphere and elsewhere, and will seek to adjust the Fund's investments based
on its perception of which investments would best enable the Fund to achieve its

investment objective. In its analysis, the Investment Adviser will consider
various factors, including its views regarding interest and currency exchange
rate changes and credit risks. Such professional investment management may be
attractive to investors, particularly individuals, who lack the time,
information, capability or inclination to effect such an investment strategy
directly.
 
     The securities in which the Fund may invest include debt obligations issued
or guaranteed by the governments of countries located in the Western Hemisphere,
political subdivisions thereof (including states, provinces and municipalities)
or their agencies and instrumentalities ('governmental entities'), or issued or
guaranteed by international organizations (such as the Inter-Americas
Development Bank) designated or supported by governmental entities to promote
economic reconstruction or development ('supranational entities'), or issued by
corporations or financial institutions. Securities issued by supranational
entities may be denominated in U.S. dollars, a foreign currency or a
multi-national currency unit. Securities of corporations and financial
institutions in which the Fund may invest include corporate and commercial
obligations, such as
 
                                       10

<PAGE>

medium-term notes and commercial paper, which may be indexed to foreign currency
exchange rates. The Fund also is authorized to invest up to 20% of its total
assets in debt securities denominated in currencies of countries located outside
of the Western Hemisphere.
 
     Indexed notes and commercial paper typically provide that the principal
amount is adjusted upwards or downwards (but not below zero) at maturity to
reflect fluctuations in the exchange rate between two currencies during the
period the obligation is outstanding depending on the terms of the specific
security. In selecting the two currencies, the Investment Adviser will consider
the correlation and relative yields of various currencies. The Fund will
purchase an indexed obligation using the currency in which it is denominated
and, at maturity, will receive interest and principal payments thereon in that
currency. The amount of principal payable by the issuer at maturity, however,
will vary (i.e., increase or decrease) in response to the change (if any) in the
exchange rate between the two specified currencies during the period from the
date the instrument is issued to its maturity date. The potential for realizing
gains as a result of changes in foreign currency exchange rates may enable the
Fund to hedge the currency in which the obligation is denominated (or to effect
cross-hedges against other currencies) against a decline in the U.S. dollar
value of investments denominated in foreign currencies while providing an
attractive rate of return. The Fund will purchase such indexed obligations to
generate current income or for hedging purposes and will not speculate in such
obligations. Such obligations may be deemed liquid investments if they can be
disposed of promptly in the ordinary course of business at a value reasonably
close to that used in the calculation of the Fund's net asset value per share;
otherwise, they will be deemed illiquid investments subject to the restrictions
discussed further below under 'Investment Restrictions.'
 
     The Fund may invest in securities denominated in or indexed to the currency

of one country although issued by a governmental entity, corporation or
financial institution of another such country. For example, the Fund may invest
in a Mexican peso/denominated obligation issued by a U.S. corporation. Such
investments involve credit risks associated with the issuer and currency risks
associated with the currency in which the obligation is denominated.
 
     The Fund may invest in securities whose potential investment return is
based on the change in particular measurements of value or rate (an 'index'). As
an illustration, the Fund may invest in a security that pays interest and
returns principal based on the change in an index of interest rates or of the
value of a precious or industrial metal. Interest and principal payable on a
security may also be based on relative changes among particular indices. In
addition, the Fund may invest in securities whose potential investment return is
inversely based on the change in particular indices. For example, the Fund may
invest in securities that pay a higher rate of interest and principal when a
particular index decreases and pay a lower rate of interest and principal when
the value of the index increases. To the extent that the Fund invests in such
types of securities, it will be subject to the risks associated with changes in
the particular indices, which may include reduced or eliminated interest
payments and losses of invested principal.
 
     Certain indexed securities, including certain inverse securities, may have
the effect of providing a degree of investment leverage, because they may
increase or decrease in value at a rate that is a multiple of the changes in
applicable indices. As a result, the market value of such securities will
generally be more volatile than the market values of fixed-rate securities. The
Fund believes that indexed securities, including inverse securities, represent
flexible portfolio management instruments that may allow the Fund to seek
potential investment rewards, hedge other portfolio positions, or vary the
degree of portfolio leverage relatively efficiently under different market
conditions.
 
     The Fund also may invest in participations in, or bonds and notes backed
by, pools of mortgage, credit card, automobile or other types of receivables.
These investments are described more fully below under 'Investments
 
                                       11

<PAGE>

in Mortgage-Backed and Asset-Backed Securities.' Because of liquidity and
valuation concerns relating to investments in certain derivative mortgage-backed
securities, investments in such securities will be restricted as discussed below
under 'Investments in Mortgage-Backed and Asset-Backed Securities--Derivative
Mortgage-Backed Securities.'
 
   
     The Fund has established no rating criteria for the debt securities in
which it may invest and such securities may not be rated at all for
creditworthiness. Investments in debt securities rated in the medium to lower
rating categories of nationally recognized statistical rating organizations such
as Standard & Poor's ('S&P') and Moody's Investors Services, Inc. ('Moody's') or
in unrated securities of comparable quality involve special risks which are
described more fully below under 'Special Considerations and Risk Factors--High

Yield Securities.'
    
 
     Except for time deposits, certificates of deposit, and pass-through and
other asset-backed securities, the Fund currently does not intend to invest more
than 10% of its assets in the securities of issuers that are domiciled in any
one country in the Western Hemisphere other than the United States, Canada,
Mexico, Argentina, Chile, Brazil and Venezuela. In addition, the Fund may not
maintain more than a 10% net exposure to any currency other than the currency of
any such country. The Fund expects to maintain normally at least 25% of its
assets in securities denominated in the U.S. dollar.
 
     Under normal circumstances, the Fund will invest at least 25% of its total
assets in debt instruments issued by Western Hemisphere companies engaged in the
financial services industry, including banks, thrift institutions, insurance
companies, securities firms and holding companies of any of the foregoing. Such
investments may include certificates of deposit, time deposits, bankers'
acceptances, and other obligations issued by such entities, as well as
repurchase agreements entered into with such entities. For temporary defensive
purposes, however, the Fund may reduce its investments in the financial services
industry to less than 25% of its total assets. The Fund's policy as to
concentrating its investments in the financial services industry is fundamental
and may not be changed without the approval of a majority of the Fund's voting
securities.
 
     The Fund's policy of concentrating its investments in the financial
services industry will cause the Fund to have greater exposure to certain risks
associated with the financial services industry. In particular, economic or
regulatory developments in or related to the financial services industry will
affect the value of an investment in the Fund's shares. For example, sustained
increases in interest rates may adversely affect the availability and cost of
funds for a bank's lending activities; deterioration in general economic
conditions may increase a bank's exposure to credit losses. Banks are also
subject to the effects of the concentration of loan portfolios in particular
businesses that may be adversely affected by economic conditions, such as real
estate, energy, agriculture or high technology-related companies. Also, the
Fund's investments in commercial banks located in several foreign countries are
subject to additional risks due to the combination in such banks of commercial
banking and diversified securities activities. Insurance companies may be
adversely affected by losses sustained by insured clients due to catastrophic or
other events. Securities firms are subject to risks associated with underwriting
activities and to fluctuations in the values of their investments that may in
turn affect their ability to comply with regulations governing capital
requirements. Insurance companies and securities firms may also be affected by a
deterioration in general economic conditions. In addition, the financial
services industry is subject to national and local regulation and competition
among different types of financial institutions.
 
     The Fund may at times utilize certain other investment techniques to
increase investment return or to hedge all or a portion of its portfolio,
including options and futures, although suitable hedging instruments may not be
available on a timely basis and on acceptable terms with respect to specific
securities and currencies in which the Fund may invest. See 'Other Investment
Practices--Portfolio Strategies Involving Interest Rate Transactions,

 
                                       12

<PAGE>

   
Options, Futures and Currency Transactions.' In addition, the Fund is authorized
to borrow funds and utilize leverage (including by effecting reverse repurchase
agreements and dollar rolls) in amounts up to 33 1/3% of its total assets
(including the amount borrowed) and to borrow up to an additional 5% of its
total assets for temporary purposes. See 'Other Investment Practices--Leverage
and Borrowing.'
    
 
SPECIAL CONSIDERATIONS AND RISK FACTORS
 
     Foreign Investments.  Investment in securities of foreign issuers generally
involves risks not typically involved in domestic investment, including
fluctuations in foreign exchange rates, future political and economic
developments and the possible imposition of exchange controls or other foreign
or U.S. Governmental laws or restrictions applicable to such investments. These
risks are often heightened for investments in smaller capital markets and Latin
American countries. The Fund is designed for long-term investors and should be
considered as a means of diversifying an investment portfolio and not in itself
a balanced investment program.
 
     Since the Fund is authorized to invest in securities denominated or quoted
in currencies other than the U.S. dollar, changes in foreign currency exchange
rates relative to the U.S. dollar will affect the value of securities in the
portfolio and the unrealized appreciation or depreciation of investments insofar
as U.S. investors are concerned. Changes in foreign currency exchange rates
relative to the U.S. dollar will also affect the Fund's yield on assets
denominated in currencies other than the U.S. dollar. The Fund may invest in
securities of foreign issuers that are U.S. dollar-linked or hedged or are
denominated in currencies other than the U.S. dollar. Settlement of such
securities will be in currencies other than U.S. dollars. When the Fund acquires
currencies other than the U.S. dollar, as a result of changes in foreign law or
financial developments, the Fund may be unable to convert such other currency
into U.S. dollars or other freely tradeable currencies.
 
     As noted above, the Fund intends to invest in debt securities denominated
in the currencies of certain Latin American countries (i.e., Mexico, Argentina,
Chile, Brazil and Venezuela). Certain of these Latin American countries are
among the largest debtors to commercial banks and foreign governments. Trading
in debt obligations ('sovereign debt') issued or guaranteed by Latin American
governmental entities involves a high degree of risk. The governmental entity
that controls the repayment of sovereign debt may not be willing or able to
repay the principal and/or interest when due in accordance with the terms of
such obligations. A governmental entity's willingness or ability to repay
principal and interest due in a timely manner may be affected by, among other
factors, its cash flow situation, the relative size of the debt service burden
to the economy as a whole, the governmental entity's dependence on expected
disbursements from third parties, the governmental entity's policy toward the
International Monetary Fund and the political constraints to which a

governmental entity may be subject. As a result, governmental entities may
default on their sovereign debt. Holders of sovereign debt (including the Fund)
may be requested to participate in the rescheduling of such debt and to extend
further loans to governmental entities. There is no bankruptcy proceeding by
which sovereign debt on which governmental entities have defaulted may be
collected in whole or in part. The sovereign debt instruments in which the Fund
may invest involve great risk and are deemed to be the equivalent in terms of
quality to high yield/high risk securities (as defined below) and are subject to
many of the same risks as such securities. Similarly, the Fund may have
difficulty disposing of certain sovereign debt obligations because there may be
a thin trading market for such securities. The Fund will not invest more than
15% of its total assets in sovereign debt which is in default.
 
     With respect to certain foreign countries, there is the possibility of
economic, political or social instability or diplomatic developments which could
affect investment in those countries. For example, certain countries in which
the Fund can invest experienced difficulties in the past decade, including high
rates of inflation, interest, underemployment, low or negative rates of growth,
civil unrest and unstable currencies. The Fund cannot predict
 
                                       13

<PAGE>

the potential impact of such events on the economies of the countries in which
it may invest. Past problems have affected the ability of certain countries to
service their sovereign debt.
 
     There may be less publicly available information about a foreign financial
instrument than about a U.S. instrument, and foreign issuers may not be subject
to accounting, auditing and financial reporting standards and requirements
comparable to those to which U.S. entities are subject. In addition, certain
foreign investments may be subject to foreign withholding taxes.
 
     Foreign financial markets, while generally growing in volume, have, for the
most part, substantially less volume than U.S. markets, and securities of many
foreign companies are less liquid and their prices more volatile than securities
of comparable domestic companies. The foreign markets also have different
clearance and settlement procedures, and in certain markets there have been
times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions.
Delays in settlement could result in temporary periods when assets of the Fund
are uninvested and no return is earned thereon. The inability of the Fund to
make intended security purchases due to settlement problems could cause the Fund
to miss attractive investment opportunities. Inability to dispose of portfolio
securities due to settlement problems could result either in losses to the Fund
due to subsequent declines in value of the portfolio security or, if the Fund
has entered into a contract to sell the security, could result in possible
liability to the purchaser. Costs associated with transactions in foreign
securities are generally higher than with transactions in U.S. securities. There
is generally less government supervision and regulation of exchanges, financial
institutions and issuers in foreign countries than there is in the United
States.
 

     Brady Bonds.  The Fund may invest in Brady Bonds. Brady Bonds are debt
obligations which are created through the exchange of existing commercial bank
loans to sovereign entities for new obligations in connection with debt
restructuring under a plan introduced in 1989 by former U.S. Secretary of the
Treasury, Nicholas F. Brady (the 'Brady Plan'). Brady Plan debt restructurings
have been implemented to date in Mexico, Venezuela, Argentina, Uruguay, Costa
Rica, Nigeria, the Philippines, Brazil, Peru, Ecuador, Panama, Poland and
Bulgaria. To date, Brady Bonds aggregating approximately $150 billion have been
issued, based on current estimates, with the largest proportion of Brady Bonds
having been issued by Mexico, Argentina and Venezuela. The Fund anticipates that
it will invest in bank loans (through participations or assignments) that may be
restructured as Brady Bond obligations.
 
   
     Brady Bonds may be collateralized and issued in various currencies
(although most are U.S. dollar-denominated) and they are actively traded in the
over-the-counter secondary market. U.S. dollar-denominated, collateralized Brady
Bonds, which may be fixed rate par bonds or floating rate discount bonds, are
generally collateralized in full as to principal by U.S. Treasury zero coupon
bonds which have the same maturity as the Brady Bonds. Interest payments on
these Brady Bonds generally are collateralized on a one-year or longer
rolling-forward basis by cash or securities in an amount that, in the case of
fixed rate bonds, is equal to at least one year of interest payments or, in the
case of floating rate bonds, initially is equal to at least one year's interest
payments based on the applicable interest rate at that time and is adjusted at
regular intervals thereafter. Certain Brady Bonds are entitled to 'value
recovery payments' in certain circumstances, which in effect constitute
supplemental interest payments but generally are not collateralized. For
example, some Mexican and Venezuelan Brady Bonds include attached value recovery
options which increase interest payments if oil revenues rise. Brady Bonds are
often viewed as having three or four valuation components: (i) the
collateralized repayment of principal at final maturity; (ii) the collateralized
interest payments; (iii) the uncollateralized interest payments; and (iv) any
uncollateralized repayment of principal at maturity (these uncollateralized
amounts constitute the 'residual risk'). In light of the residual risk of Brady
Bonds and, among other factors, the history of defaults
    
 
                                       14

<PAGE>

with respect to commercial bank loans by public and private entities of
countries issuing Brady Bonds, investments in Brady Bonds are considered
speculative.
 
     Most Mexican Brady Bonds issued to date have principal repayments at final
maturity fully collateralized by U.S. Treasury zero coupon bonds (or comparable
collateral denominated in other currencies) and interest coupon payments
collateralized on an 18-month rolling-forward basis by funds held in escrow by
an agent for the bondholders. A significant portion of the Brady Bonds issued to
date by Costa Rica, Nigeria, the Philippines, Brazil, Peru, Ecuador, Panama,
Poland, Bulgaria, Venezuela and Argentina have principal repayments at final
maturity collateralized by U.S. Treasury zero coupon bonds (or comparable

collateral denominated in other currencies) and/or interest coupon payments
collateralized on a 14-month (for Venezuela) or 12-month (for Argentina)
rolling-forward basis by securities held by the Federal Reserve Bank of New York
as collateral agent.
 
     High Yield Securities. The Fund has established no rating criteria for the
debt securities in which it may invest, and such securities may not be rated at
all for creditworthiness. Securities rated in the medium to lower rating
categories of nationally recognized statistical rating organizations such as S&P
and Moody's and unrated securities of comparable quality (referred to herein as
'high yield/high risk securities') are predominantly speculative with respect to
the capacity to pay interest and repay principal in accordance with the terms of
such securities and generally involve a greater volatility of price than
securities in higher rating categories. These securities are commonly referred
to as 'junk' bonds. In purchasing such securities, the Fund will rely on the
Investment Adviser's judgment, analysis and experience in evaluating the
creditworthiness of an issuer of such securities. The Investment Adviser 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 the issuer's management and regulatory matters. The Fund is not
authorized to purchase debt securities that are in default, except for sovereign
debt (discussed above) in which the Fund may invest no more than 15% of its
total assets while such sovereign debt securities are in default.
 
     The market values of high yield/high risk securities tend to reflect
individual issuer developments to a greater extent than do higher rated
securities, which react primarily to fluctuations in the general level of
interest rates. Issuers of high yield/high risk securities may be highly
leveraged and may not have available to them more traditional methods of
financing. Therefore, the risk associated with acquiring the securities of such
issuers generally is 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/high risk securities may be more likely to
experience financial stress, especially if such issuers are highly leveraged.
During such periods, such issuers may not have sufficient revenues to meet their
interest payment obligations. The issuer's ability to service its debt
obligations also may be adversely affected by specific issuer developments or
the issuer's inability to meet specific projected business forecasts or the
unavailability of additional financing. The risk of loss due to default by the
issuer is significantly greater for the holders of high yield/high risk
securities because such securities may be unsecured and may be subordinated to
other creditors of the issuer.
 
     High yield/high risk securities may have call or redemption features which
would permit an issuer to repurchase the securities 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 securities with lower yielding
securities, thus decreasing the net investment income to the Fund and dividends
to shareholders.
 
     The Fund may have difficulty disposing of certain high yield/high risk
securities because there may be a thin trading market for such securities. To
the extent that a secondary trading market for high yield/high risk securities
does exist, it is generally 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
 
                                       15

<PAGE>

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 high yield/high risk
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 are generally available on many high yield/high risk securities only
from a limited number of dealers and may not necessarily represent firm bids of
such dealers or prices for actual sales.
 
     Adverse publicity and investor perceptions, which may not be based on
fundamental analysis, also may decrease the value and liquidity of high
yield/high risk securities, particularly in a thinly traded market. Factors
adversely affecting the market value of high yield/high risk securities are
likely to adversely affect the Fund's net asset value. In addition, the Fund may
incur additional expenses to the extent it is required to seek recovery upon a
default on a portfolio holding or to participate in the restructuring of the
obligation.
 
   
     The table below shows the average monthly dollar-weighted market value, 
by S&P or Moody's rating category, of all bonds held by the Fund during the
fiscal year ended December 31, 1997:
    

   
<TABLE>
<CAPTION>
                                                                 PERCENT OF
RATING*                                                          NET ASSETS
- --------------------------------------------------------------   ----------
<S>                                                              <C>
AAA...........................................................      28.64%
BB+...........................................................       4.48%
BB............................................................       2.71%
BB-...........................................................      14.87%
Ba2...........................................................       2.71%
Not Rated**...................................................      24.80%
                                                                 ----------
                                                                    78.21%
                                                                 ----------
                                                                 ----------
</TABLE>
    
 
- ------------------
 * For a description of these ratings, see Appendix B to this Prospectus.
   

** Bonds that are not rated by S&P or Moody's. Such bonds may be rated by
   nationally recognized statistical rating organizations other than S&P or
   Moody's or may not be rated by any such organization. With respect to the
   percentage of the Fund's assets invested in unrated securities, the Fund's
   Investment Adviser believes that the following percentages of assets are of
   comparable quality to obligations with the specified S&P rating: 3.91%--BBB-;
   11.05%--BB; 5.00%--B+; and 4.84%--B. This determination is based on the
   Investment Adviser's own internal evaluation and does not necessarily
   reflect how such securities would be rated by S&P if it were to rate the
   securities.
    
 
 
     Leverage.  The Fund is authorized to borrow money from banks in an amount
up to 33 1/3% of the Fund's total assets (including the amount borrowed), less
all liabilities and indebtedness other than the bank borrowing. The Fund is also
authorized to borrow up to an additional 5% of its total assets without regard
to the foregoing limitation for temporary purposes such as clearance of
portfolio transactions and share redemptions. The Fund may engage in reverse
repurchase agreements and dollar rolls as discussed below, and if certain
conditions are not met, such transactions will be considered borrowings subject
to the restrictions discussed in this paragraph. The utilization of leverage by
the Fund involves certain risks described below. For example, leveraging may
exaggerate changes in the net asset value of Fund shares and in the yield on the
Fund's portfolio. See 'Other Investment Practices--Leverage and Borrowing'
below.
 
     Interest Rate Fluctuations.  The value of the Fund's investments (and hence
its net asset value) will be affected by changes in the general level of
interest rates. When interest rates decline, the value of a debt security can be
expected to rise. Conversely, when interest rates rise, the value of a debt
security can be expected to decline. However, not all of the Fund's investments
in debt securities may respond to interest rate fluctuations in this manner.
 
                                       16

<PAGE>

     Non-Diversified Status.  The Fund has registered as a 'non-diversified'
investment company so that it will be able to invest more than 5% of the value
of its assets in the obligations of a single issuer. The Fund's investments will
be limited, however, in order to qualify for the special tax treatment afforded
regulated investment companies under the Internal Revenue Code of 1986, as
amended (the 'Code') applicable to the Fund. To qualify, the Fund must comply
with certain requirements, including limiting its 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. Foreign government securities
(unlike U.S. Government securities) are not exempt from the diversification
requirements of the Code. To the extent the Fund invests a relatively high
percentage of its assets in obligations of a limited number of issuers, the Fund

may be more susceptible than a more widely diversified fund to any single
economic, political or regulatory occurrence or to changes in an issuer's
financial condition or in the market's assessment of the issuers.
 
INVESTMENTS IN MORTGAGE-BACKED AND ASSET-BACKED SECURITIES
 
     Mortgage-Backed and Asset-Backed Securities.  Subject to the investment
limitations described above, the Fund may invest in mortgage-backed and
asset-backed securities. Mortgage-backed securities are securities that directly
or indirectly represent an interest in, or are backed by and payable from,
mortgage loans secured by real property. Asset-backed securities generally
consist of structures similar to mortgage-backed securities, except that the
underlying asset pools are comprised of other types of financial assets such as
credit card, automobile or other types of receivables and commercial loans.
Mortgage-backed and asset-backed securities are issued in structured financings
wherein the sponsor securitizes the underlying mortgage loans or financial
assets in order to liquify the underlying assets or to achieve certain other
financial goals. The special considerations and risks inherent in investments in
mortgage-backed and asset-backed securities are discussed more fully below.
 
     The mortgage-backed securities in which the Fund may invest will primarily
be guaranteed by the Government National Mortgage Association ('GNMA') or issued
by the Federal National Mortgage Association ('FNMA') or the Federal Home Loan
Mortgage Corporation ('FHLMC'). Certain of the asset-backed securities in which
the Fund will invest may be guaranteed by the Small Business Administration
('SBA') or issued in programs originated by the Resolution Trust Corporation
('RTC'). GNMA, FNMA, FHLMC and SBA are agencies or instrumentalities of the
United States.
 
     Certain of the mortgage-backed and asset-backed securities in which the
Fund may invest will be issued by private issuers. Private issuers include
originators of or investors in mortgage loans and receivables such as savings
and loan associations, mortgage bankers, commercial banks, investment banks,
finance companies and special purpose finance subsidiaries of any of the above.
Securities issued by private issuers may be subject to certain types of credit
enhancements issued in respect of those securities. Such credit enhancements may
include insurance policies, bank letters of credit, guarantees by third parties
or protections afforded by the structure of a particular transaction (e.g., the
use of reserve funds, over-collateralization or the issuance of subordinated
securities as protection for more senior securities being purchased by the
Fund). In purchasing securities for the Fund, the Investment Adviser will take
into account not only the creditworthiness of the issuer of the securities but
also the creditworthiness of the provider of any external credit enhancement of
the securities.
 
     The Fund may invest in pass-through mortgage-backed securities that
represent ownership interests in a pool of mortgages on single-family or
multi-family residences. Such securities represent interests in pools of
residential mortgage loans originated by U.S. governmental or private lenders
and guaranteed, to the extent
 
                                       17

<PAGE>


provided in such securities, by the U.S. Government, one of its agencies or
instrumentalities or by private guarantors. Such securities, which are ownership
interests in the underlying mortgage loans, differ from conventional debt
securities, which provide for periodic payment of interest in fixed amounts
(usually semiannually) and principal payments at maturity or on specified call
dates. Mortgage pass-through securities provide for monthly payments that
'pass-through' the monthly interest and principal payments (including any
prepayments) made by the individual borrowers on the pooled mortgage loans, net
of any fees paid to the guarantor of such securities and the servicer of the
underlying mortgage loans. The Fund may also invest in collateralized mortgage
obligations ('CMOs') which are debt obligations collateralized by mortgage loans
or mortgage pass-through securities.
 
     The yield characteristics of mortgage-backed and asset-backed securities
differ from traditional corporate debt securities. Among the major differences
are that interest and principal payments are made more frequently, usually
monthly, and that principal may be prepaid at any time because the underlying
mortgage loans or other assets generally may be prepaid at any time. As a
result, if the Fund purchases such a security at a premium, a prepayment rate
that is faster than expected will reduce yield to maturity, while a prepayment
rate that is slower than expected will have the opposite effect of increasing
yield to maturity. Conversely, if the Fund purchases these securities at a
discount, faster than expected prepayments will increase, while slower than
expected prepayments will reduce, yield to maturity. The Fund may invest a
portion of its assets in derivative mortgage-backed securities, such as stripped
mortgage-backed securities, which are highly sensitive to changes in prepayment
and interest rates. The Investment Adviser will seek to manage these risks (and
potential benefits) by investing in a variety of such securities and through
hedging techniques.
 
     Prepayments on a pool of mortgage loans are influenced by a variety of
economic, geographic, social and other factors, including changes in mortgagors'
housing needs, job transfers, unemployment, mortgagors' net equity in the
mortgaged properties and servicing decisions. Generally, however, prepayments on
fixed rate mortgage loans will increase during a period of falling interest
rates and decrease during a period of rising interest rates. Accordingly,
amounts available for reinvestment by the Fund are likely to be greater during a
period of declining interest rates and, as a result, likely to be reinvested at
lower interest rates than during a period of rising interest rates. This
prepayment effect has been particularly pronounced during certain recent years
as borrowers have refinanced higher interest rate mortgages into lower interest
rate mortgages available in the marketplace. Although asset-backed securities
generally are less likely to experience substantial prepayments than are
mortgage-backed securities, certain of the factors that affect the rate of
prepayments on mortgage-backed securities also affect the rate of prepayments on
asset-backed securities. However, during any particular period, the predominant
factors affecting prepayment rates on mortgage-backed and asset-backed
securities may be different. Mortgage-backed and asset-backed securities may
decrease in value as a result of increases in interest rates and may benefit
less than other fixed income securities from declining interest rates because of
the risk of prepayment.
 
     The Fund's yield will also be affected by the yields on instruments in

which the Fund is able to reinvest the proceeds of payments and prepayments.
Accelerated prepayments on securities purchased by the Fund at a premium also
impose a risk of loss of principal because the premium may not have been fully
amortized at the time the principal is repaid in full.
 
     Derivative Mortgage-Backed Securities.  The Fund may also invest in various
derivative mortgage-backed securities, which are synthetic securities designed
to be highly sensitive to certain types of interest rate and principal
prepayment scenarios. Derivative instruments primarily consist of some form of
stripped mortgage-backed securities ('SMBS') that commonly involve different
classes of securities that receive disproportionate amounts of the interest and
principal distributions on a pool of mortgage assets.
 
                                       18

<PAGE>

     SMBSs are typically issued by the same types of issuers as are
mortgage-backed securities. The structure of SMBSs, however, is different. A
common variety of SMBS involves a class (the principal-only or 'PO' class) that
receives some of the interest and most of the principal from the underlying
assets, while the other class (the interest-only or 'IO' class) receives most of
the interest and the remainder of the principal. In the most extreme case, the
IO class receives only interest, while the PO class receives only principal. The
yield to maturity on an IO class is extremely sensitive to the rate of principal
payments (including prepayments) on the related underlying assets, and a rapid
rate of principal payments in excess of that considered in pricing the
securities will have a material adverse effect on an IO security's yield to
maturity. If the underlying mortgage assets experience greater than anticipated
payments of principal, the Fund may fail to recoup fully its initial investment
in IOs. In addition, there are certain types of IOs which represent the interest
portion of a particular class as opposed to the interest portion of the entire
pool. The sensitivity of these types of IOs to interest rate fluctuations may be
increased because of the characteristics of the principal portion to which they
relate. The impact of IOs on the Fund's portfolio may be offset to some degree
by investments in mortgage-backed securities and inverse floaters (floating rate
securities the interest rate of which is adjusted up or down inversely to
changes in a specified index). As interest rates fall, presenting a greater risk
of unanticipated prepayments of principal, the negative effect on the Fund
because of its holdings of IOs should be diminished somewhat because of the
increased yield on the inverse floating rate CMOs or the increased appreciation
on the fixed rate securities. Under certain interest rate scenarios, the Fund
may decide to retain investments in IOs or inverse floaters yielding less than
prevailing interest rates in order to avoid capital losses on the sale of such
investments.
 
     The Fund may also combine IOs and IO-related derivative mortgage products
with LIBOR-based inverse floaters (LIBOR being the London interbank offered
rate). A LIBOR-based inverse floater is a floating rate security the interest
rate of which is adjusted up or down inversely to changes in LIBOR; as LIBOR
decreases, the interest rate paid by the inverse floater would increase, and
vice versa. Depending on the amount of leverage built into the inverse floater,
the yield could vary in excess of the change in LIBOR because of the leverage
built into the inverse floater formula. The yield on an inverse floater varies

inversely with interest rates because as LIBOR decreases, the interest payable
on the inverse floater increases. The converse is true, of course, when LIBOR
increases. When an inverse floater is combined with an IO or IO-type derivative
product, the result is a synthetic security that tends to provide a somewhat
less volatile yield over a wide range of interest rate and prepayment rate
scenarios.
 
     New types of mortgage-backed and asset-backed securities, derivative
securities and hedging instruments are developed and marketed from time to time.
Consistent with its investment objective, policies and restrictions, the Fund
may invest in such new types of securities and instruments that the Investment
Adviser believes may assist the Fund in achieving its investment objective.
 
     The staff of the Commission has taken the following position with respect
to investments in IOs and POs. Such position has been adopted as an investment
policy of the Fund, subject to amendment as discussed further below. The staff
of the Commission has taken the position that the determination of whether a
particular U.S. Government-issued IO or PO that is backed by fixed-rate
mortgages is liquid may be made by the Investment Adviser under guidelines and
standards established by the Fund's Board of Directors. Such a security may be
deemed liquid if it can be disposed of promptly in the ordinary course of
business at a value reasonably close to that used in the calculation of the
Fund's net asset value per share. The Commission's staff also has taken the
position that all other IOs and POs are illiquid securities which are subject to
the restriction limiting the Fund's investments in illiquid securities to 15% of
its total assets. This policy as to IOs and POs is not a fundamental policy of
the Fund and may be amended by the Board of Directors of the Fund without the
approval of the Fund's
 
                                       19

<PAGE>

shareholders. However, the Fund will not change or modify this policy prior to
the change or modification by the Commission's staff of its position.
 
OTHER INVESTMENT PRACTICES
 
     Leverage and Borrowing.  The Fund is authorized to borrow money from banks
(as defined in the Investment Company Act) in amounts up to 33 1/3% of the
Fund's total assets (including the amount borrowed), less all liabilities and
indebtedness other than the bank borrowing. The Fund is also authorized to
borrow an additional 5% of its total assets without regard to the foregoing
limitation for temporary purposes such as clearance of portfolio transactions
and share redemptions. The Fund may engage in reverse repurchase agreements and
dollar rolls as discussed below, and if certain conditions are not met, such
transactions will be considered borrowings subject to the restrictions discussed
in this paragraph. The Fund will only borrow when the Investment Adviser
believes that such borrowing will benefit the Fund after taking into account
considerations such as interest income and possible gains or losses upon
liquidation.
 
     Borrowings by the Fund create an opportunity for greater total return but,
at the same time, increase exposure to capital risk. For example, leveraging may

exaggerate changes in the net asset value of Fund shares and in the yield on the
Fund's portfolio. Although the principal of such borrowings will be fixed, the
Fund's assets may change in value during the time the borrowings are
outstanding. Borrowing will create interest expenses for the Fund which can
exceed the income from the assets retained. To the extent the income derived
from securities purchased with borrowed funds exceeds the interest the Fund will
have to pay, the Fund's net income will be greater than if borrowing were not
used. Conversely, if the income from the assets retained with borrowed funds is
not sufficient to cover the cost of borrowing, the net income of the Fund will
be less than if borrowing were not used, and therefore the amount available for
distribution to shareholders as dividends will be reduced. The Fund may also
borrow for emergency purposes, for the payment of dividends, for share
repurchases or for the clearance of transactions.
 
     Because few or none of its assets will consist of margin securities, the
Fund does not expect to borrow on margin. The Fund may also leverage by entering
into reverse repurchase agreements with the same parties with whom it may enter
into repurchase agreements (as discussed below). Under a reverse repurchase
agreement, the Fund sells securities and agrees to repurchase them at a mutually
agreed date and price. The value of the securities subject to such agreements
will not exceed 125% of the proceeds of the reverse repurchase agreements. At
the time the Fund enters into a reverse repurchase agreement, it may establish
and maintain a segregated account with its custodian containing cash, cash
equivalents or liquid securities having a value not less than the repurchase
price (including accrued interest). If the Fund establishes and maintains such a
segregated account, a reverse repurchase agreement will not be considered a
borrowing by the Fund; however, under circumstances in which the Fund does not
establish and maintain such a segregated account, the Fund will enter into a
reverse repurchase agreement only with banks (as defined in the Investment
Company Act), and such reverse repurchase agreement will be considered a
borrowing solely for the purpose of the Fund's limitation on borrowing. Reverse
repurchase agreements involve the risk that the market value of the securities
acquired, or retained in lieu of sale, by the Fund in connection with the
reverse repurchase agreement may decline below the price of the securities the
Fund has sold but is obligated to repurchase. In the event the buyer of
securities under a reverse repurchase agreement files for bankruptcy or becomes
insolvent, such buyer or its trustee or receiver may receive an extension of
time to determine whether to enforce the Fund's obligation to repurchase the
securities, and the Fund's use of the proceeds of the reverse repurchase
agreement may effectively be restricted pending such decision. Also, the Fund
would bear the risk of loss to the extent that the proceeds of the reverse
repurchase agreement are less than the value of the securities subject to such
agreement.
 
                                       20

<PAGE>

     The Fund also may enter into 'dollar rolls.' A dollar roll is a transaction
in which the Fund sells fixed income securities for delivery in the current
month and simultaneously contracts to repurchase substantially similar (same
type, coupon and maturity) securities on a specified future date. During the
roll period, the Fund foregoes principal and interest paid on such securities.
The Fund is compensated by the difference between the current sales price and

the lower forward price for the future purchase (often referred to as the
'drop') as well as by the interest earned on the cash proceeds of the initial
sale. A 'covered roll' is a specific type of dollar roll for which there is a
segregated account with cash, cash equivalents or liquid securities. Covered
rolls will not be considered to be borrowings for purposes of the Fund's
limitation on borrowing to the extent that they are appropriately collateralized
by liquid assets of the Fund. Dollar rolls which are not so collateralized will
be entered into by the Fund only with banks (as defined in the Investment
Company Act) and will be considered borrowings for the purpose of the Fund's
limitation on borrowing.
 
     The Fund expects that some of its borrowings may be made on a secured
basis. In such situations, either the Fund's custodian will segregate the
pledged assets for the benefit of the lender or arrangements will be made with
(i) the lender to act as a subcustodian if the lender is a bank or otherwise
qualified as a custodian of investment company assets or (ii) a suitable
subcustodian.
 
     Certain of the Fund's borrowings may be subject to certain covenants set
forth in the governing credit agreements relating to asset coverage requirements
and portfolio composition. The Fund does not expect that observance of such
covenants would materially adversely affect the ability of the Fund to achieve
its investment objective. However, a breach of any such covenant not cured
within the specified cure period may result in acceleration of outstanding
indebtedness and require the Fund to dispose of portfolio investments at a time
when it may be disadvantageous to do so. The Fund also may be required to
maintain minimum average balances in connection with borrowings or to pay a
commitment or other fee to maintain a line of credit; either of these
requirements would increase the cost of borrowing over a stated interest rate.
 
     Portfolio Strategies Involving Interest Rate Transactions, Options, Futures
and Currency Transactions.  The Fund may engage in various portfolio strategies
to seek to increase its return through the use of options on portfolio
securities and to hedge its portfolio against interest rate, market and currency
risks. The Fund has authority to engage in interest rate transactions in order
to hedge against interest rate movements, purchase call and put options on
securities, write (i.e., sell) covered call and put options on its portfolio
securities, and engage in hedging transactions in financial futures and related
options on such futures. The Fund may also deal in forward foreign exchange
transactions and foreign currency options and futures, and related options on
such futures.
 
     Although certain risks are involved in interest rate, options and futures
transactions, the Investment Adviser believes that, because the Fund will (i)
write only covered options on portfolio securities and (ii) engage in other
transactions primarily for hedging purposes, these portfolio strategies will not
subject the Fund to the risks frequently associated with the speculative use of
such transactions. There can be no assurance that the Fund's hedging
transactions will be effective. Furthermore, the Fund will only engage in
hedging activities from time to time and may not necessarily be engaging in
hedging activities when interest rate, market or currency movements occur. When
the Fund engages in transactions denominated in foreign currencies, it will be
subject to the risks of adverse changes in the exchange rates between such
foreign currencies and the U.S. dollar, the currency used to value the Fund's

assets. Reference is made to Appendix A to this Prospectus and to the Statement
of Additional Information for further information concerning these strategies.
 
     Portfolio Transactions.  In executing portfolio transactions, the
Investment Adviser seeks to obtain the best net results for the Fund, taking
into account such factors as price (including the applicable brokerage
commission
 
                                       21

<PAGE>

or dealer spread), size of order, difficulty of execution and operational
facilities of the firm involved and the firm's risk in positioning a block of
securities. While the Investment Adviser generally seeks reasonably competitive
commission rates, the Fund does not necessarily pay the lowest commission or
spread available. The Fund has no obligation to deal with any broker or group of
brokers in the execution of transactions in portfolio securities. Under the
Investment Company Act, persons affiliated with the Fund and persons who are
affiliated with such affiliated persons, including Merrill Lynch, are prohibited
from dealing with the Fund as a principal in the purchase and sale of securities
unless a permissive order allowing such transactions is obtained from the
Commission. Affiliated persons of the Fund, and affiliated persons of such
affiliated persons, may serve as the Fund's broker in transactions conducted on
an exchange and in over-the-counter transactions conducted on an agency basis
and may receive brokerage commissions from the Fund. In addition, consistent
with the Conduct Rules of the NASD, the Fund 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. It is expected that the majority of the shares of the
Fund will be sold by Merrill Lynch. Brokerage commissions and other transaction
costs on foreign stock exchange transactions are generally higher than in the
United States, although the Fund will endeavor to achieve the best net results
in effecting its portfolio transactions.
 
     Lending of Portfolio Securities.  The Fund may from time to time lend
securities from its portfolio, with a value not exceeding 33 1/3% of its total
assets, to banks, brokers and other financial institutions and receive
collateral in cash or securities issued or guaranteed by the U.S. Government
which will be maintained at all times in an amount equal to at least 100% of the
current market value of the loaned securities. During the period of such a loan,
the Fund receives the income on both the loaned securities and the collateral
and thereby increases its yield. In the event that the borrower defaults on its
obligation to return borrowed securities because of insolvency or otherwise, the
Fund could experience delays and costs in gaining access to the collateral and
could suffer a loss to the extent the value of the collateral falls below the
market value of the borrowed securities.
 
   
     Portfolio Turnover.  The Investment Adviser will effect portfolio
transactions without regard to holding period, if, in its judgment, such
transactions are advisable in light of a change in circumstance in general
market, economic or financial conditions. As a result of its investment
policies, the Fund may engage in a substantial number of portfolio transactions
which could result in a portfolio turnover rate which is higher than that of

other investment companies; however, it is extremely difficult to predict
portfolio turnover rates with any degree of accuracy. The portfolio turnover
rate is calculated by dividing the lesser of the Fund's annual sales or
purchases of portfolio securities (exclusive of purchases or sales of securities
whose maturities at the time of acquisition were one year or less and options,
futures and currency transactions) by the monthly average value of the
securities in the portfolio during the year. A high portfolio turnover rate
involves certain tax consequences and correspondingly greater transaction costs
in the form of dealer spreads and brokerage commissions, which are borne
directly by the Fund. See 'Additional Information--Taxes.'
    
 
   
     Repurchase Agreements; Purchase and Sale Contracts.  The Fund may invest in
securities pursuant to repurchase agreements or purchase and sale contracts.
Repurchase agreements may be entered into only with financial institutions which
(i) have, in the opinion of the Investment Adviser, substantial capital relative
to the Fund's exposure, or (ii) have provided the Fund with a third-party
guaranty or other credit enhancement. Under such agreements, the seller agrees,
upon entering into the contract with the Fund, to repurchase a security
(typically a security issued or guaranteed by the U.S. Government) at a mutually
agreed-upon time and price in a specified currency, 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, although it may be
affected by currency fluctuations. A purchase and sale contract is similar to a
repurchase agreement, but purchase and sale contracts, unlike repurchase
agreements, allocate interest on the underlying security to the purchaser during
the term of the
    
 
                                       22

<PAGE>

agreement. In all instances, the Fund takes possession of the underlying
securities when investing in repurchase agreements or purchase and sale
contracts. Nevertheless, if the seller were to default on its obligation to
repurchase a security under a repurchase agreement or purchase and sale contract
and the market value of the underlying security at such time was less than the
Fund had paid to the seller, the Fund would realize a loss. The Fund may not
invest more than 15% of its total assets in repurchase agreements or purchase
and sale contracts maturing in more than seven days, together with all other
illiquid securities.
 
     Short Sales.  The Fund may make short sales of securities. A short sale is
a transaction in which the Fund sells a security it does not own in anticipation
that the market price of that security will decline. The Fund expects to make
short sales both as a form of hedging to offset potential declines in long
positions in similar securities and in order to maintain portfolio flexibility.
 
     When the Fund makes a short sale, it must borrow the security sold short
and deliver it to the broker-dealer through which it made the short sale as
collateral for its obligation to deliver the security upon conclusion of the
sale. The Fund may have to pay a fee to borrow particular securities and is

often obligated to pay over any payments received on such borrowed securities.
 
     The Fund's obligation to replace the borrowed security will be secured by
collateral deposited with the broker-dealer, usually cash, U.S. Government
securities or other liquid securities similar to those borrowed. With respect to
uncovered short positions, the Fund will also be required to deposit similar
collateral with its custodian to the extent, if any, necessary so that the value
of both collateral deposits in the aggregate is at all times equal to at least
100% of the current market value of the security sold short. Depending on
arrangements made with the broker-dealer from which it borrowed the security
regarding payment over of any payments received by the Fund on such security,
the Fund may not receive any payments (including interest) on its collateral
deposited with such broker-dealer.
 
     If the price of the security sold short increases between the time of the
short sale and the time the Fund replaces the borrowed security, the Fund will
incur a loss; conversely, if the price declines, the Fund will realize a gain.
Any gain will be decreased, and any loss increased, by the transaction costs
described above. Although the Fund's gain is limited to the price at which it
sold the security short, its potential loss is theoretically unlimited.
 
     The Fund will not make a short sale if, after giving effect to such sale,
the market value of all securities sold short exceeds 25% of the value of its
total assets or the Fund's aggregate short sales of a particular class of
securities exceeds 25% of the outstanding securities of that class. The Fund may
also make short sales 'against the box' without respect to such limitations. In
this type of short sale, at the time of the sale, the Fund owns or has the
immediate and unconditional right to acquire at no additional cost the identical
security.
 
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 (which for this purpose and under the Investment Company Act
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 total assets (taken at market value at the time of each
investment) in the securities of issuers in a single industry (other than debt
securities issued or guaranteed by a Western Hemisphere governmental entity),
except that, under normal circumstances, the Fund will invest more than 25% of
its total assets in the securities of issuers in the financial
 
                                       23

<PAGE>

services industry. In addition, the Fund has adopted non-fundamental
restrictions which may be changed by the Board of Directors without shareholder
approval.
 

     As a non-fundamental policy, the Fund may not borrow money or pledge its
assets, except that the Fund (a) may borrow from a bank in amounts not exceeding
33 1/3% (taken at market value) of its total assets and pledge its assets to
secure such borrowings, (b) may borrow up to an additional 5% of its total
assets for temporary purposes and (c) may obtain such short-term credit as may
be necessary for the clearance of purchases and sales of portfolio securities.
The purchase of securities while borrowings are outstanding will have the effect
of leveraging the Fund. Such leveraging or borrowing increases the Fund's
exposure to capital risk, and borrowed funds are subject to interest costs which
will reduce net income.
 
     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 Directors of the Fund has
otherwise determined to be liquid pursuant to applicable law. Notwithstanding
the foregoing, the Fund may purchase, without regard to this limitation,
securities that are not registered under the Securities Act of 1933, as amended
(the 'Securities Act'), but that can be offered and sold to 'qualified
institutional buyers' under Rule 144A under the Securities Act, provided that
the Fund's Board of Directors continuously determines, based on the trading
markets for the specific Rule 144A security, that it is liquid. The Board of
Directors has adopted guidelines regarding certain foreign debt securities which
may be held by the Fund and delegated to the Investment Adviser the daily
function of determining and monitoring liquidity of such securities. The Board
of Directors, however, has retained oversight and is ultimately responsible for
the determinations. Since it is not possible to predict with assurance exactly
how this market for restricted securities sold and offered under Rule 144A will
develop, the Board of Directors will carefully monitor the Fund's investments in
these securities, focusing on such factors, among others, as valuation,
liquidity and availability of information. This investment practice could have
the effect of increasing the level of illiquidity in the Fund to the extent that
qualified institutional buyers become for a time uninterested in purchasing
these securities.
 
     As described above, the Fund has registered as a 'non-diversified'
investment company under the Investment Company Act, but its investments will be
limited so as to qualify as a regulated investment company under the Code.
 
                             MANAGEMENT OF THE FUND
 
BOARD OF DIRECTORS
 
     The Board of Directors of the Fund consists of six individuals, five of
whom are not 'interested persons' of the Fund as defined in the Investment
Company Act. The Board of Directors of the Fund is responsible for the overall
supervision of the operations of the Fund and performs the various duties
imposed on the directors of investment companies by the Investment Company Act.
 
     The Directors of the Fund are:
 
   

     ARTHUR ZEIKEL*--Chairman of the Investment Adviser and its affiliate, FAM;
Chairman and Director of Princeton Services, Inc. ('Princeton Services');
Executive Vice President of ML & Co.
    
 
     DONALD CECIL--Special Limited Partner of Cumberland Partners (an investment
partnership).
 
                                       24

<PAGE>

     EDWARD H. MEYER--Chairman of the Board, President and Chief Executive
Officer of Grey Advertising Inc.
 
     CHARLES C. REILLY--Self-employed financial consultant; former President and
Chief Investment Officer of Verus Capital, Inc.; former Senior Vice President of
Arnhold and S. Bleichroeder, Inc.
 
     RICHARD R. WEST--Dean Emeritus, New York University Leonard N. Stern School
of Business Administration.
 
     EDWARD D. ZINBARG--Former Executive Vice President of The Prudential
Insurance Company of America.
- ------------------
* Interested person, as defined in the Investment Company Act, of the Fund.
 
ADVISORY AND MANAGEMENT ARRANGEMENTS
 
   
     MLAM acts as the investment adviser of the Fund and provides the Fund with
management and investment advisory services. MLAM is a limited partnership of
which ML & Co. is the sole limited partner and Princeton Services is the sole
general partner. ML & Co. is a financial services holding company and the parent
of Merrill Lynch. ML & Co. and Princeton Services are 'controlling persons' of
the Investment Adviser as defined under the Investment Company Act because of
their ownership of its voting securities or their power to exercise a
controlling influence over its management or policies. The Asset Management
Group of ML & Co. (which includes the Investment Adviser) acts as the investment
adviser to more than 100 registered investment companies and offers portfolio
management services to individuals and institutions. As of February 1998, the
Asset Management Group had a total of approximately $299.0 billion in investment
company and other portfolio assets under management. This amount includes assets
managed for certain affiliates of the Investment Adviser.
    
 
     The investment advisory agreement with the Investment Adviser (the
'Investment Advisory Agreement') provides that, subject to the direction of the
Board of Directors of the Fund, the Investment Adviser 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 Investment Adviser, subject to review by the
Board of Directors.

 
     The Investment Adviser provides the portfolio manager for the Fund who
considers analyses from various sources (including brokerage firms with which
the Fund does business), makes the necessary decisions and places transactions
accordingly. The Investment Adviser is also obligated to perform certain
administrative and management services for the Fund and is obligated to provide
all of the office space, facilities, equipment and personnel necessary to
perform its duties under the Investment Advisory Agreement.
 
   
     The Fund pays the Investment Adviser a monthly fee at the annual rate of
0.60% of the average daily net assets of the Fund, plus the principal amount of
borrowings incurred by the Fund for leverage purposes. For the fiscal year ended
December 31, 1997, the Fund paid the Investment Adviser a fee at the effective
rate of 0.61% of average daily net assets. For the fiscal year ended December
31, 1997, the fee paid by the Fund to the Investment Adviser was $1,056,656
(based upon average daily net assets of approximately $172.9 million).
    
 
   
     The Investment Adviser has also entered into a sub-advisory agreement (the
'Sub-Advisory Agreement') with Merrill Lynch Asset Management U.K. Limited
('MLAM U.K.'), a wholly owned subsidiary of ML & Co. and an affiliate of the
Investment Adviser, pursuant to which the Investment Adviser pays MLAM U.K. a
fee for providing investment advisory services to the Investment Adviser with
respect to the Fund in an amount to be determined from time to time between the
Investment Adviser and MLAM U.K. but in no event in excess of the amount the
Investment Adviser actually receives for providing services to the Fund pursuant
to the Investment Advisory Agreement. For the fiscal year ended December 31,
1997, the Investment Adviser paid no fee to
    
 
                                       25

<PAGE>

   
MLAM U.K. pursuant to such arrangement. MLAM U.K. has offices at Milton Gate, 1
Moor Lane, London EC2Y 9HA, England.
    
 
   
     The Fund also pays certain other expenses incurred in its operations,
including, among other things, legal and audit fees, unaffiliated Directors'
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 Investment Adviser, and the
Fund reimburses the Investment Adviser for its costs in connection with such
services on a semi-annual basis. For the fiscal year ended December 31, 1997,
the Fund reimbursed the Investment Adviser $77,610 for accounting services. For
the fiscal year ended December 31, 1997, the ratio of total expenses to average
net assets for Class A, Class B, Class C and Class D shares was 1.48%, 2.26%,
2.33% and 1.73%, respectively.

    
 
   
     Paolo H. Valle, Senior Vice President of the Fund, is the Fund's Portfolio
Manager. Mr. Valle has been a First Vice President of the Investment Adviser
since 1997 and a Senior Portfolio Manager since 1992; he was a Vice President of
the Investment Adviser from 1992 to 1997; Mr. Valle has been primarily
responsible for the day-to-day management of the Fund's investment portfolio
since the Fund commenced operations.
    
 
CODE OF ETHICS
 
     The Board of Directors of the Fund has adopted a Code of Ethics under Rule
17j-1 of the Investment Company Act that incorporates the Code of Ethics of the
Investment Adviser (together, the 'Codes'). The Codes significantly restrict the
personal investing activities of all employees of the Investment Adviser and, as
described below, impose additional, more onerous, restrictions on fund
investment personnel.
 
   
     The Codes require that all employees of the Investment Adviser 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
Investment Adviser 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 Investment Adviser. 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 wholly-owned 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 it 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
    
 
                                       26

<PAGE>

   
representing a beneficial interest of a person in the relevant share class or a
recordkeeping system, provided the recordkeeping system is maintained by a
subsidiary of ML & Co. For the fiscal year ended December 31, 1997, the Fund
paid the Transfer Agent $351,883 pursuant to the Transfer Agency Agreement.
    
 
                               PURCHASE OF SHARES
 
   
     The Distributor, an affiliate of each of the Investment Adviser 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 retirement plans, the minimum initial purchase
is $100, and the minimum subsequent purchase is $1, and for participants in
certain fee-based programs, the minimum initial purchase is $500, 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 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, such orders shall be deemed received on the next
business day. Any order may be rejected by the Distributor or the Fund. The Fund
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 Fund. 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 directly through
the Transfer Agent are not subject to the processing fee.
    
 
   
     The Fund offers its shares in four classes under the Merrill Lynch Select
Pricing(SM) System, which permits each investor to choose the method of
purchasing shares that the investor believes is most beneficial given the amount
of the purchase, the length of time the investor expects to hold the shares and
other relevant circumstances. Shares of Class A and Class D are sold to
investors choosing the initial sales charge alternatives, and shares of Class B
and Class C are sold to investors choosing the deferred sales charge
alternatives. Investors should determine whether under their particular
circumstances it is more advantageous to incur an initial sales charge or to
have the entire initial purchase price invested in the Fund with the investment
thereafter being subject to a CDSC and ongoing distribution fees. A discussion
of the factors that investors should consider in determining the method of
purchasing shares under the Merrill Lynch Select Pricing(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
 
                                       27

<PAGE>

   
distribution fees and the additional incremental transfer agency costs resulting
from the deferred sales charge arrangements. The CDSCs, distribution fees and
account maintenance fees that are imposed on Class B and Class C shares, as well
as the account maintenance fees that are imposed on Class D shares, will be
imposed directly against those classes and not against all assets of the Fund
and, accordingly, such charges will not affect the net asset value of any other
class or have any impact on investors choosing another sales charge option. 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. Dividends paid by the Fund for each
class of shares will be calculated in the same manner at the same time and will
differ only to the extent that account maintenance and distribution fees and any
incremental transfer agency costs relating to a particular class are borne
exclusively by that class. Class B, Class C and Class D shares each have
exclusive voting rights with respect to the Rule 12b-1 distribution plan adopted
with respect to such class pursuant to which account maintenance and/or
distribution fees are paid (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.
    
 
     The following table sets forth a summary of the distribution arrangements
for each class of shares under the Merrill Lynch Select Pricing(Service
Mark)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 charge(2)(3)         No              No                      No
  B     CDSC for a period of four years, at a rate       0.25%          0.50%        B shares convert to D shares
         of 4.0% during the first year, decreasing                                       automatically after
                 1.0% annually to 0.0%(4)                                             approximately ten years(5)
  C              1.0% CDSC for one year(6)               0.25%          0.55%                     No
  D        Maximum 4.00% initial sales charge(3)         0.25%            No                      No
</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 certain retirement plans and 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. A 0.75% sales charge
    for 401(k) purchases over $1,000,000 will apply.
(4) The CDSC may be modified in connection with certain fee-based programs.
 
                                              (Footnotes continued on next page)
 

                                       28

<PAGE>

(Footnotes continued from previous page)
   
(5) The conversion period for dividend reinvestment shares, certain retirement
    plans and certain fee-based programs was modified. Also, Class B shares of
    certain other MLAM-advised mutual funds into which exchanges may be made
    have an eight-year conversion period. If Class B shares of the Fund are
    exchanged for Class B shares of another MLAM-advised mutual fund, the
    conversion period applicable to the Class B shares acquired in the exchange
    will apply, and the holding period for the shares exchanged will be tacked
    onto 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>
                                                                                                         DISCOUNT TO
                                                                   SALES LOAD AS     SALES LOAD AS     SELECTED DEALERS
                                                                   PERCENTAGE OF      PERCENTAGE*      AS PERCENTAGE OF
                                                                     OFFERING         OF THE NET         THE OFFERING
AMOUNT OF PURCHASE                                                     PRICE        AMOUNT INVESTED         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>
 
- ------------------
 
 * Rounded to the nearest one-hundredth percent.
 
   
** The initial sales charge may be waived on Class A and Class D purchases of
   $1,000,000 or more and on Class A purchases by certain retirement plan
   investors and participants in 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. A sales
   charge of 0.75% will be charged on purchases of $1,000,000 or more of Class A
   or Class D shares by certain employer-sponsored retirement or savings plans.
    
 
   
     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.
    
 
                                       29

<PAGE>

   
      As a result of the implementation of the Merrill Lynch Select Pricing(SM)
System, Class A shares of the Fund outstanding prior to October 21, 1994, were
redesignated Class D shares. The Class A shares offered by this Prospectus
differ from the Class A shares offered prior to October 21, 1994, in many
respects, including sales charges, exchange privilege and the classes of persons
to whom such shares are offered. For the fiscal year ended December 31, 1997,
the Fund sold 5,151,636 Class A shares for aggregate net proceeds to the Fund of
$56,403,293. The gross sales charges for the sale of Class A shares of the Fund
for the year were $993, of which $72 and $921 were received by the Distributor
and Merrill Lynch, respectively. During such year, the Distributor received no
CDSCs with respect to redemptions within one year after purchase of Class A
shares purchased subject to a front-end sales charge waiver.
    
 
   
     For the fiscal year ended December 31, 1997, the Fund sold 1,019,918 Class
D shares for aggregate net proceeds to the Fund of $11,315,694. The gross sales
charges for the sale of Class D shares for the year were $31,118, of which
$2,989 and $28,129 were received by the Distributor and Merrill Lynch,
respectively. During such year, the Distributor received no CDSCs with respect
to redemptions 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. Certain employer-sponsored retirement or savings
plans, including eligible 401(k) plans, may purchase Class A shares of the Fund
at net asset value provided such plans meet the required minimum number of
eligible employees or required amount of assets advised by MLAM or any of its

affiliates. Class A shares are available at net asset value to corporate
warranty insurance reserve fund programs and U.S. branches of foreign owned
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 also offered at
net asset value to ML & Co. and its subsidiaries and their directors and
employees and to members of the Boards of MLAM-advised investment companies,
including the Fund. Certain persons who acquired shares of certain MLAM-advised
closed-end funds 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 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 these closed-end funds in shares of the Fund and
certain other MLAM-advised funds.
    
 
     Reduced Initial Sales Charges.  No initial sales charges are imposed upon
Class A and Class D shares issued as a result of the automatic reinvestment of
dividends or capital gains distributions. Class A and Class D sales charges also
may be reduced under a Right of Accumulation and a Letter of Intention. Class A
shares are offered at net asset value to certain eligible Class A investors as
set forth above under 'Eligible Class A Investors.' See 'Shareholder
Services--Fee-Based Programs.'
 
     Provided applicable threshold requirements are met, either Class A or Class
D shares are offered at net 
                                       30

<PAGE>
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 a distribution fee of 0.50%
and 0.55%, respectively, of net assets, as discussed below under 'Distribution
Plans.'
 
   
     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 CDSC and the distribution fee are paid to the Distributor
and are used in whole or in part by the Distributor to defray the expenses of
dealers (including Merrill Lynch) related to providing distribution-related
services to the Fund in connection with the sale of the Class B and Class C
shares, such as the payment of compensation to financial consultants for selling
Class B and Class C shares from the dealers' own funds. The combination of the
CDSC and the ongoing distribution fee facilitates the ability of the Fund to
sell the Class B and Class C shares without a sales charge being deducted at the
time of purchase. Approximately ten years after issuance, Class B shares will
convert automatically into Class D shares of the Fund, which are subject to an
account maintenance fee but no distribution fee; Class B shares of certain other
MLAM-advised mutual funds into which exchanges may be made convert into Class D
shares automatically after approximately eight years. If Class B shares of the
Fund are exchanged for Class B shares of another MLAM-advised mutual fund, the
conversion period applicable to the Class B shares acquired in the exchange will
apply, and the holding period for the shares exchanged will be tacked onto the
holding period for the shares acquired.
    
 
                                       31


<PAGE>

     Imposition of the CDSC and the distribution fee on Class B and Class C
shares is limited by the NASD asset-based sales charge rule. See 'Limitations on
the Payment of Deferred Sales Charges' below. The proceeds from the ongoing
account maintenance fee are used to compensate Merrill Lynch for providing
continuing account maintenance activities. Class B shareholders of the Fund
exercising the exchange privilege described under 'Shareholder
Services--Exchange Privilege' will continue to be subject to the Fund's CDSC
schedule if such schedule is higher than the CDSC schedule relating to the Class
B shares acquired as a result of the exchange.
 
     Contingent Deferred Sales Charges--Class B Shares.  Class B shares 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>
                                                              CLASS B CDSC
                                                           AS A PERCENTAGE OF
YEAR SINCE PURCHASE                                          DOLLAR AMOUNT
PAYMENT MADE                                               SUBJECT TO CHARGE
- --------------------------------------------------------   ------------------
<S>                                                        <C>
0-1.....................................................          4.00%
1-2.....................................................          3.00%
2-3.....................................................          2.00%
3-4.....................................................          1.00%
4 and thereafter........................................          0.00%
</TABLE>
 
     Class B shares purchased prior to October 21, 1994, and redeemed within
three years of purchase are subject to a CDSC at the rates set forth below:
 
<TABLE>
<CAPTION>
                                                              CLASS B CDSC
                                                           AS A PERCENTAGE OF
YEAR SINCE PURCHASE                                          DOLLAR AMOUNT
PAYMENT MADE                                               SUBJECT TO CHARGE
- --------------------------------------------------------   ------------------
<S>                                                        <C>
0-1.....................................................          3.00%
1-2.....................................................          2.00%
2-3.....................................................          1.00%
3 and thereafter........................................          0.00%

</TABLE>
 
   
     For the fiscal year ended December 31, 1997, the Distributor received CDSCs
of $320,570 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 possible
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
 
                                       32

<PAGE>

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 purchases 100 shares at $10 per
share (at a cost of $1,000) and in the third year after purchase, the net asset
value per share is $12 and, during such time, the investor has acquired 10
additional shares through dividend reinvestment. If at such time the investor
makes his or her 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 rate in the third year after purchase for shares purchased on or
after October 21, 1994).
 
   
     The Class B CDSC is waived on redemptions of shares in connection with
certain post-retirement withdrawals from an Individual Retirement Account
('IRA') or other retirement plan or following the death or disability (as
defined in the Code) of a shareholder. The Class B CDSC also is waived on
redemptions of shares by certain eligible 401(a) and eligible 401(k) plans. The
CDSC also is waived for any Class B shares that are purchased by eligible 401(k)
or eligible 401(a) plans that are rolled over into a Merrill Lynch or Merrill
Lynch Trust Company custodied IRA and held in such account at the time of
redemption. The Class B CDSC also is waived for any Class B shares which are
purchased by a Merrill Lynch rollover IRA that was funded by a rollover from a
terminated 401(k) plan managed by the MLAM Private Portfolio Group and held in
such account at the time of redemption. The Class B CDSC also is waived for any
Class B shares 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. The Class C CDSC may be waived in connection with
certain fee-based programs. See 'Shareholder Services--Fee-Based Programs.' For
the fiscal year ended December 31, 1997, the Distributor received CDSCs of
$7,621 with respect to redemptions of Class C shares, all of which were paid to
Merrill Lynch.
    
 
     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 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 0.25 % 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
 
                                       33

<PAGE>

classes on the Conversion Date, without the imposition of any sales load, fee or
other charge. Conversion of Class B shares to Class D shares will not be deemed
a purchase or sale of the shares for Federal income tax purposes.
 
     In addition, shares purchased through reinvestment of dividends on Class B
shares also will convert automatically to Class D shares. The Conversion Date
for dividend reinvestment shares will be calculated taking into account the
length of time the shares underlying such dividend reinvestment shares were
outstanding. If at a Conversion Date the conversion of Class B shares to Class D
shares of the Fund in a single account will result in less than $50 worth of
Class B shares being left in the account, all of the Class B shares of the Fund
held in the account on the Conversion Date will be converted to Class D shares
of the Fund.

 
     Share certificates for Class B shares of the Fund to be converted must be
delivered to the Transfer Agent at least one week prior to the Conversion Date
applicable to those shares. In the event such certificates are not received by
the Transfer Agent at least one week prior to the Conversion Date, the related
Class B shares will convert to Class D shares on the next scheduled Conversion
Date after such certificates are delivered.
 
     In general, Class B shares of equity MLAM-advised mutual funds will convert
approximately eight years after initial purchase, and Class B shares of taxable
and tax-exempt fixed income MLAM-advised mutual funds will convert approximately
ten years after initial purchase. If, during the Conversion Period, a
shareholder exchanges Class B shares with an eight-year Conversion Period for
Class B shares with a ten-year Conversion Period, or vice versa, the Conversion
Period applicable to the Class B shares acquired in the exchange will apply, and
the holding period for the shares exchanged will be tacked onto the holding
period for the shares acquired.
 
     The Conversion Period is modified for shareholders who purchased Class B
shares through certain retirement plans which qualified for a waiver of the CDSC
normally imposed on purchases of Class B shares ('Class B Retirement Plans').
When the first share of any MLAM-advised mutual fund purchased by a Class B
Retirement Plan has been held for ten years (i.e., ten years from the date the
relationship between MLAM-advised mutual funds and the Class B Retirement Plan
was established), all Class B shares of all MLAM-advised mutual funds held in
that Class B Retirement Plan will be converted into Class D shares of the
appropriate funds. Subsequent to such conversion, that Class B Retirement Plan
will be sold Class D shares of the appropriate funds at net asset value.
 
     The Conversion Period also may be modified for retirement plan 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 Investment Company 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 provide
that the Fund pays the Distributor an account maintenance fee relating to the
shares of the relevant class, accrued daily and paid monthly, at the annual rate
of 0.25% 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.
 
                                       34

<PAGE>


     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 rates of 0.50%,
with respect to Class B shares, and 0.55% with respect to Class C shares, 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 fees 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 December 31, 1997, the Fund paid the Distributor
$923,998 pursuant to the Class B Distribution Plan (based on average daily net
assets subject to such Class B Distribution Plan of approximately $123.2
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 December 31, 1997, the Fund paid the
Distributor $69,103 pursuant to the Class C Distribution Plan (based on average
daily net assets subject to such Class C Distribution Plan of approximately $8.6
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 December 31, 1997, the Fund paid the
Distributor $40,772 pursuant to the Class D Distribution Plan (based on average
daily net assets subject to such Class D Distribution Plan of approximately
$16.3 million), all of which was paid to Merrill Lynch for providing account
maintenance activities in connection with Class D shares.
    
 
     The 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 Directors for their consideration in connection with their
deliberations as to the continuance of the Class B and Class C Distribution
Plans. This information is presented annually as of December 31 of each year on
a fully allocated accrual basis and quarterly on a 'direct expense and
revenue/cash' basis. On the fully allocated accrual basis, revenues consist of
account maintenance fees, distribution fees, 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 marketing expenses, corporate
overhead and interest expense. On the direct expense and revenue/cash basis,
revenues consist of account maintenance fees, distribution fees and CDSCs and
expenses consist of financial consultant compensation.

 
   
     As of December 31, 1997, the fully allocated accrual expenses incurred by
the Distributor and Merrill Lynch with respect to Class B shares for the period
since August 27, 1993 (commencement of operations) exceeded fully allocated
accrual revenues by approximately $917,000 (1.16% of Class B net assets at that
date). As of December 31, 1997, direct cash revenues for the period since the
commencement of operations of Class B shares exceeded direct cash expenses by
$2,738,381 (3.48% 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 with respect to Class C shares for the period since October 21, 1994
(commencement of operations) exceeded fully allocated accrual revenues by
approximately $4,000 (0.09% of Class C net assets at that date). As of December
31, 1997, direct
    
 
                                       35

<PAGE>

   
cash revenues for the period since the commencement of operations of Class C
shares exceeded direct cash expenses by $99,053 (2.35% of Class C net assets at
that date).
    
 
     The Fund has no obligation with respect to distribution and/or account
maintenance-related expenses incurred by the Distributor and Merrill Lynch in
connection with Class B, Class C and Class D shares, and there is no assurance
that the Directors of the Fund 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 Directors 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 fee, the
distribution fee and/or the CDSCs received with respect to one class will not be
used to subsidize the sale of shares of another class. Payments of the
distribution fee on Class B shares will terminate upon conversion of those Class
B shares into Class D shares as set forth under 'Deferred Sales Charge
Alternatives--Class B and Class C Shares--Conversion of Class B Shares to Class
D Shares.'
 
LIMITATIONS ON THE PAYMENT OF DEFERRED SALES CHARGES
 
     The maximum sales charge rule in the 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 fees. In certain circumstances the
amount payable pursuant to the voluntary maximum may exceed the amount payable
under the NASD formula. In such circumstances payment in excess of the amount
payable under the NASD formula will not be made.
 
                              REDEMPTION OF SHARES
 
   
     The Fund is required to redeem for cash all shares of the Fund on 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.
    
 
                                       36

<PAGE>

REDEMPTION
 
   
     A shareholder wishing to redeem shares may do so, without charge, by
tendering the shares directly to the Transfer Agent, Merrill Lynch Financial
Data Services, Inc., P.O. Box 45289, Jacksonville, Florida 32232-5289.
Redemption requests delivered other than by mail should be delivered to Merrill
Lynch 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. The redemption
request in either event requires the signatures of all persons in whose names
the shares are registered, signed exactly as their names appear on the Transfer
Agent's register or on the certificate, as the case may be. The signature(s) on
the redemption request must be guaranteed by an 'eligible guarantor institution'
(including, for example, Merrill Lynch branches and certain other financial
institutions) as such is defined in Rule 17Ad-15 under the Securities Exchange
Act of 1934, as amended (the 'Exchange Act'), 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, payment will be mailed within seven
days of receipt of a proper notice of redemption.
    
 
   
     At various times the Fund may be requested to redeem shares for which it
has not yet received good payment. The Fund may delay or cause to be delayed the
mailing of a redemption check until such time as it has assured itself that good
payment (e.g., cash or certified check drawn on a U.S. bank) has been collected
for the purchase of such shares. Normally, this delay will not exceed 10 days.
    
 
REPURCHASE
 
     The Fund also will repurchase shares through a shareholder's listed
securities dealer. The Fund normally will accept orders to repurchase 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, 4:00 p.m., New York time) on the day received and that such request
is received by the Fund 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 Fund not later than 30 minutes
after the close of business on the NYSE in order to obtain that day's closing
price.
 
   
     The foregoing repurchase arrangements are for the convenience of
shareholders and do not involve a charge by the Fund (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 Fund. 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 Transfer Agent are not
subject to the processing fee. The Fund 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 Fund may redeem shares as set
forth above.
    
 
     Redemption payments will be made within seven days of the proper tender of
certificates, if any, and stock power or letter requesting redemption, in each
instance with signatures guaranteed as noted above.
 
                                       37

<PAGE>

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,
as the case may be, of the Fund 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 Fund offers a number of shareholder services and investment plans
designed to facilitate investment in shares of the Fund. Full details as to each
of such services, copies of the various plans described below and instructions
as to how to participate in the various services or plans, or to change options
with respect thereto, can be obtained from the Fund by calling the telephone
number on the cover page hereof or from the Distributor or Merrill Lynch.
Certain of these services are available only to U.S. investors.
 
INVESTMENT ACCOUNT
 
   
     Each shareholder whose account is maintained at the Transfer Agent has an
Investment Account and will receive statements, at least quarterly, from the
Transfer Agent. These statements will serve as transaction confirmations for
automatic investment purchases and the reinvestment of ordinary income dividends
and long-term capital gain distributions. These statements will also show any
other activity in the account since the preceding statement. Shareholders will
receive separate transaction confirmations for each purchase or sale transaction
other than automatic investment purchases and the reinvestment of ordinary
income dividends and long-term capital gain 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 also may maintain their accounts
through Merrill Lynch. Upon the transfer of shares out of a Merrill Lynch
brokerage account, an Investment Account in the transferring shareholder's name
will be opened automatically, without charge, at the Transfer Agent.
Shareholders considering transferring their Class A or Class D shares from
Merrill Lynch to another brokerage firm or financial institution should be aware
that, if the firm to which the Class A or Class D shares are to be transferred
will not take delivery of shares of the Fund, a shareholder either must redeem
the Class A or Class D shares (paying any applicable CDSC) so that the cash
proceeds can be transferred to the account at the new firm or such shareholder
must continue to maintain an Investment Account at the Transfer Agent for those
Class A or Class D shares. Shareholders interested in transferring their Class B
or Class C shares from Merrill Lynch and who do not wish to have an Investment
Account maintained for such shares at the Transfer Agent may request their new
brokerage firm to maintain such shares in an account registered in the name of
the brokerage firm for the benefit of the shareholder at the Transfer Agent. 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. Shareholders considering
transferring a tax-deferred retirement account such as an IRA from Merrill Lynch
to another brokerage firm or financial institution should be aware that, if the
firm to which the retirement account is to be transferred will not take delivery
of shares of the Fund, a shareholder must either redeem the shares (paying
    
 
                                       38

<PAGE>

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 a retirement
account at Merrill Lynch for those shares.
 
EXCHANGE PRIVILEGE
 
     U.S. shareholders of each class of shares of the Fund have an exchange
privilege with certain other MLAM-advised mutual funds. There is currently no
limitation on the number of times a shareholder may exercise the exchange
privilege. The exchange privilege may be modified or terminated 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, Class B, Class C and Class D shares also are exchangeable for
shares of certain MLAM-advised money market funds specifically designated as
available for exchange by holders of Class A, Class B, Class C or Class D
shares. The period of time that Class A, Class B, Class C or Class D shares are
held in a money market fund, however, will not count toward satisfaction of the
holding period requirement for reduction of the CDSC imposed on such shares, if
any, and, with respect to Class B shares, toward satisfaction of the Conversion
Period.
 
     Class B shareholders of the Fund exercising the exchange privilege will
continue to be subject to the Fund's CDSC schedule if such schedule is higher
than the CDSC schedule relating to the new Class B shares. In addition, Class B
shares of the Fund acquired through use of the exchange privilege will be
subject to the Fund's CDSC schedule if such schedule is higher than the CDSC
schedule relating to the Class B shares of the MLAM-advised mutual fund from
which the exchange has been made.
 
     Exercise of the exchange privilege is treated as a sale 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.
 
                                       39

<PAGE>

AUTOMATIC REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS
 
   
     All dividends and capital gains distributions are automatically reinvested
in full and fractional shares of the Fund, without sales charge, at the net
asset value per share next determined after the close of business on the NYSE on
the monthly payment date of such dividend or distribution. 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 telephone call
(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
capital gains distributions, or both, paid in cash, rather than reinvested, in
which event payment will be mailed on or about the payment date. 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. Cash payments can also be directly deposited to the
shareholder's bank account. No CDSC will be imposed on redemptions of shares
issued as a result of the automatic reinvestment of dividends or capital gains
distributions.
    

 
SYSTEMATIC WITHDRAWAL PLANS
 
   
     A shareholder may elect to receive systematic withdrawal payments from his
or her Investment Account in the form of payments by check or through automatic
payment by direct deposit to his or her bank account on either a monthly or
quarterly basis. A shareholder whose shares are held within a CMA(Registered),
CBA(Registered) or Retirement Account may elect to have shares redeemed on a
monthly, bimonthly, quarterly, semiannual or annual basis through the
CMA(Registered) or CBA(Registered) 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 automatically be
applied thereafter to Class D shares. 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 pre-arranged charges of $50 or more
to his or her regular bank account. Investors who maintain CMA(Registered) or
CBA(Registered) accounts may arrange to have periodic investments made in the
Fund in their CMA(Registered) or CBA(Registered) account or in certain related
accounts in amounts of $100 or more through the CMA(Registered) or
CBA(Registered) 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
    
 
                                       40


<PAGE>

   
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
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.
    
 
                                PERFORMANCE DATA
 
     From time to time the Fund may include its average annual total return for
various specified time periods in advertisements or information furnished to
present or prospective shareholders. Average annual total return is computed
separately for Class A, Class B, Class C and Class D shares in accordance with a
formula 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 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 the maximum sales charge in the case of Class A and Class D shares and
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. Dividends paid by the Fund with respect to all shares, to the extent any
dividends are paid, will be calculated in the same manner at the same time on
the same day and will be in the same amount, except that account maintenance and
distribution fees and any incremental transfer agency costs relating to each
class of shares will be borne exclusively by that class. The Fund will include
performance data for all classes of shares of the Fund in any advertisement or
information including performance data of the Fund.
 
     The Fund may also 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 longer periods of time.
In advertisements directed to investors whose purchases are subject to waiver of
the CDSC in the case of Class B and Class C shares (such as investors in certain
retirement plans) or to reduced sales charges in the case of Class A and Class D
shares, 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 may be deducted. See 'Purchase of Shares.' The
Fund's total return may be expressed either as a percentage or
 
                                       41

<PAGE>

as a dollar amount in order to illustrate the effect of such total return on a
hypothetical $1,000 investment in the Fund at the beginning of each specified
period.
 
     Total return figures are based on the Fund's historical performance and are
not intended to indicate future performance. The Fund's total return 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 Standard & Poor's
500 Index, the Dow Jones Industrial Average, or performance data published by
Lipper Analytical Services, Inc., Morningstar Publications, Inc., Money
Magazine, U.S. News & World Report, Business Week, CDA Investment Technology,
Inc., Forbes Magazine, Fortune Magazine or other industry publications. In
addition, from time to time the Fund may include the Fund's risk adjusted
performance ratings assigned by Morningstar Publications, Inc. in advertising or
supplemental sales literature. As with other performance data, performance
comparisons should not be considered indicative of the Fund's relative
performance for any future period.
 
                             ADDITIONAL INFORMATION
 
DIVIDENDS AND DISTRIBUTIONS
 
     The net investment income of the Fund is declared as dividends daily prior
to the determination of the net asset value which is calculated 15 minutes after
the close of business on the NYSE (generally, 4:00 p.m., New York 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 investment advisory fees, account maintenance fees and/or
distribution fees, as applicable, 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 unless the shareholder
elects to receive such dividends in cash. Shares will accrue dividends as long
as they are issued and outstanding. Shares are issued and outstanding from the
settlement date of a purchase order to the day prior to settlement date of a
redemption order.
 
   
     All net realized capital gains, if any, are declared and distributed to the
Fund's shareholders annually. Capital gains distributions will be reinvested
automatically in shares unless the shareholder elects to receive such
distributions in cash.
    
 
     The per share dividends and distributions on each class of shares will be
reduced as a result of any account maintenance, distribution and transfer agency
fees applicable to that class. See 'Additional Information-- Determination of
Net Asset Value.'
 
     Gains or losses attributable to certain foreign currency transactions may
increase or decrease the amount of the Fund's income available for distribution
to shareholders. If such losses exceed other income during a taxable year, (a)
the Fund would not be able to make any ordinary income dividend distributions,
and (b) all or a portion of distributions made before the losses were realized
but in the same taxable year would be recharacterized as a return of capital to
shareholders, rather than as ordinary income dividends, thereby reducing each
shareholder's tax basis in the Fund shares for Federal income tax purposes and
resulting in a capital gain for any shareholder who received a distribution
greater than such shareholder's basis in Fund shares (assuming the shares were
held as a capital asset). See 'Additional Information--Taxes.'
 
                                       42

<PAGE>

TAXES
 
     The Fund intends to continue to qualify 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 on the part of its net ordinary income and net realized capital gains
which it distributes to Class A, Class B, Class C and Class D shareholders
(together, the 'shareholders'). The Fund intends to distribute substantially all
of such income.
 
   
     Dividends paid by the Fund from its ordinary income or from an excess of
net short-term capital gains over net long-term capital losses (together
referred to hereafter as 'ordinary income dividends') are taxable to
shareholders as ordinary income. Distributions made from an excess of net
long-term capital gains over net short-term capital losses (including gains or
losses from certain transactions in futures and options) ('capital gain
dividends') are taxable to shareholders as long-term capital gains, regardless
of the length of time the shareholder has owned Fund shares. Any loss upon the
sale or exchange of Fund shares held for six months or less will be treated as

long-term capital loss to the extent of any capital gain dividends received by
the shareholder. Distributions in excess of the Fund's earnings and profits will
first reduce the adjusted tax basis of a holder's shares and, after such
adjusted tax basis is reduced to zero, will constitute capital gains to such
holder (assuming the shares are held as a capital asset). Recent legislation
creates additional categories of capital gains taxable at different rates.
Generally not later than 60 days after the close of its taxable year, the Fund
will provide its shareholders with a written notice designating the amounts of
any ordinary income dividends or capital gain dividends, as well as the amount
of capital gain dividends in the different categories of capital gain referred
to above.
    
 
   
     Dividends are taxable to shareholders even though they are reinvested in
additional shares of the Fund. Distributions by the Fund, whether from ordinary
income or capital gains, generally will not be eligible for the dividends
received deduction allowed to corporations under the Code. If the Fund pays a
dividend in January that 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.
    
 
     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 advisers concerning the applicability of the U.S. withholding tax.
 
   
     Dividends and interest received by the Fund may give rise to withholding
and other taxes imposed by foreign countries. Tax conventions between certain
countries and the U.S. may reduce or eliminate such taxes. Shareholders may be
able to claim U.S. foreign tax credits with respect to such taxes, subject to
certain conditions and limitations contained in the Code. For example, certain
retirement accounts cannot claim foreign tax credits on investments in foreign
securities held in the Fund. In addition, recent legislation permits a foreign
tax credit to be claimed with respect to withholding tax on a dividend only if
the shareholder meets certain holding period requirements. If more than 50% in
value of the Fund's total assets at the close of its taxable year consists of
securities of foreign corporations, the Fund will be eligible, and intends, to
file an election with the Internal Revenue Service pursuant to which
shareholders of the Fund will be required to include their proportionate shares
of such withholding taxes in their U.S. income tax returns as gross income,
treat such proportionate shares as taxes paid by them, and deduct such
proportionate shares in computing their taxable incomes or, alternatively, use
them as foreign tax credits against their U.S. income taxes. In the case of
foreign
    
 
                                       43


<PAGE>

   
taxes passed through by a RIC, the holding period requirements referred to above
must be met by both the shareholder and the RIC. No deductions for foreign
taxes, moreover, may be claimed by noncorporate shareholders who do not itemize
deductions. A shareholder that is a nonresident alien individual or a foreign
corporation may be subject to U.S. withholding tax on the income resulting from
the Fund's election described in this paragraph but may not be able to claim a
credit or deduction against such U.S. tax for the foreign taxes treated as
having been paid by such shareholder. The Fund will report annually to its
shareholders the amount per share of such withholding taxes and other
information needed to claim the foreign tax credit.
    
 
     Under certain provisions of the Code, some shareholders may be subject to a
31% withholding tax on ordinary income dividends, 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 Fund or who, to the Fund'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.
 
     Under Code Section 988, foreign currency gains or losses from certain debt
instruments, from certain forward contracts, from futures contracts that are not
'regulated futures contracts' and from unlisted options will generally be
treated as ordinary income or loss. Such Code Section 988 gains or losses will
generally increase or decrease the amount of the Fund's investment company
taxable income available to be distributed to shareholders as ordinary income.
Additionally, if Code Section 988 losses exceed other investment company taxable
income during a taxable year, the Fund would not be able to make any ordinary
income dividend distributions, and all or a portion of distributions made before
the losses were realized but in the same taxable year would be recharacterized
as a return of capital to shareholders, thereby reducing the basis of each
shareholder's Fund shares and resulting in a capital gain for any shareholder
who received a distribution greater than such shareholder's basis in Fund shares
(assuming the shares were held as a capital asset).
 
     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 the
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.
 
     The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury regulations presently in effect. For the
complete provisions, reference should be made to the pertinent Code sections and
the Treasury regulations promulgated thereunder. The Code and the Treasury
regulations are subject to change by legislative, judicial or administrative
action either prospectively or retroactively.
 
     Ordinary income and capital gain dividends may also be subject to state and
local taxes.
 
                                       44

<PAGE>

     Certain states exempt from state income taxation dividends paid by RICs
which are derived from interest on U.S. Government obligations. State law varies
as to whether dividend income attributable to U.S. Government obligations is
exempt from state income tax.
 
     Shareholders are urged to consult their tax advisers regarding specific
questions as to Federal, foreign, state or local taxes. Foreign investors should
consider applicable foreign taxes in their evaluation of an investment in the
Fund.
 
DETERMINATION OF NET ASSET VALUE
 
   
     The net asset value of the shares of all classes of the Fund is determined
once daily as of 15 minutes after the close of business on the NYSE (generally,
4:00 p.m., New York time) on each day during which the NYSE is open for trading.
Any assets or liabilities initially expressed in terms of non-U.S. dollar
currencies are translated into U.S. dollars at the prevailing market rates as
quoted by one or more banks or dealers on the day of valuation. The net asset
value is computed by dividing the sum of the value of 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. Expenses, including the
advisory fees payable to the Investment Adviser and any account maintenance
and/or distribution fees payable to the Distributor, are accrued daily. The Fund
employs Merrill Lynch Securities Pricing Service ('MLSPS'), an affiliate of the
Investment Adviser, to provide certain securities prices for the Fund. During
the fiscal year ended December 31, 1997, the Fund paid MLSPS $10.00 for such
service. The per share net asset value of Class A shares will generally be
higher than the per share net asset value of shares of the other classes,
reflecting the daily expense accruals of the account maintenance, distribution
and higher transfer agency fees applicable with respect to Class B and Class C
shares and the daily expense accruals of the account maintenance fees applicable

with respect to Class D shares; moreover, the per share net asset value of Class
D shares generally will be higher than the per share net asset value of Class B
and Class C shares, reflecting the daily expense accruals of the distribution
and higher transfer agency fees applicable with respect to Class B and Class C
shares and the per share net asset value of Class B shares generally will be
higher than the per share net asset value of Class C shares, reflecting the
daily expense accruals of the higher distribution fees applicable with respect
to 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.
    
 
   
     Portfolio securities that are traded on stock exchanges are valued at the
last sale price (regular way) on the exchange on which such securities are
traded, as of the close of business on the day the securities are being valued
or, lacking any sales, at the last available bid price for long positions and at
the last available ask price for short positions. In cases where securities are
traded on more than one exchange, the securities are valued on the exchange
designated by or under the authority of the Board of Directors as the primary
market. Long positions in securities traded in the OTC market are valued at the
last available bid price in the OTC market prior to the time of valuation. Short
positions in securities traded in the OTC market are valued at the last
available ask price in the OTC market prior to the time of valuation. Portfolio
securities that are traded in both the OTC market and on a stock exchange will
be valued according to the broadest and most representative market. When the
Fund writes an option, the amount of the premium received is recorded on the
books of the Fund as an asset and an equivalent liability. The amount of the
liability is subsequently valued to reflect the current market value of the
option written, based upon the last sale price in the case of exchange-traded
options or, in the case of options traded in the OTC market, the last asked
price. Options purchased by the Fund are valued at their last sale price in the
case of exchange-traded options or, in the case of options traded in the OTC
market, the last bid price. Other
    
 
                                       45

<PAGE>

investments, including futures contracts and related options, are stated at
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 Board of Directors of the Fund.
 
   
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 Investment Adviser or other Fund
service providers do not properly address this problem prior to January 1, 2000.
The Investment Adviser has established a dedicated group to analyze these issues
and to implement any systems modifications necessary to prepare for the Year
2000. Currently, the Investment Adviser does not anticipate that the transition
to the 21st century will have any material impact on its ability to continue to
service the Fund at current levels. In addition, the Investment Adviser has
sought assurances from the Fund's other service providers that they are taking
all necessary steps to ensure that their computer systems will accurately
reflect the Year 2000, and the Investment Adviser 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.
    
 
ORGANIZATION OF THE FUND
 
   
     The Fund was incorporated under Maryland law on June 10, 1993. As of the
date of this Prospectus, it has an authorized capital of 400,000,000 shares of
common stock, par value $0.10 per share, divided into four classes, designated
Class A, Class B, Class C and Class D Common Stock, each of which consists of
100,000,000 shares. Shares of Class A, Class B, Class C and Class D Common Stock
represent an interest 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 fee 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 such account maintenance and/or distribution expenditures. See 'Purchase of
Shares.' The Directors of the Fund may classify and reclassify the shares of the
Fund into additional or other classes of common stock at a future date.
    
 
     Shareholders are entitled to one vote for each share held and fractional
votes for fractional shares held and will vote on the election of Directors and
any other matters submitted to a shareholder vote. The Fund does not intend to
hold meetings of shareholders in any year in which the Investment Company Act
does not require shareholders to act upon any of the following matters: (i)
election of Directors; (ii) approval of an investment advisory agreement; (iii)
approval of a distribution agreement; and (iv) ratification of selection of
independent accountants. Also, the by-laws of the Fund require that a special
meeting of shareholders be held upon the written request of shareholders of the
Fund as required by Maryland corporate law. Voting rights for Directors are not
cumulative. Shares issued are fully paid and non-assessable and have no
preemptive rights. Shares have the conversion rights described in this
Prospectus. Each share of common stock is entitled to participate equally in
dividends and distributions declared by the Fund and in the net assets of the
Fund upon liquidation or dissolution after satisfaction of outstanding
liabilities, except that, as noted above, the Class B, Class C and Class D
shares bear certain additional expenses.
 
                                       46


<PAGE>

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:
 
                       Merrill Lynch 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 and/or mutual fund account numbers.
If you have any questions regarding this, please call your Merrill Lynch
Financial Consultant or Merrill Lynch Financial Data Services, Inc. at
1-800-637-3863.
 
SHAREHOLDER INQUIRIES
 
     Shareholder inquiries may be addressed to the Fund at the address or
telephone number set forth on the cover page of this Prospectus.
 
                                       47

<PAGE>
                      [This page intentionally left blank]
 
                                       48

<PAGE>
     MERRILL LYNCH AMERICAS INCOME FUND, INC.--AUTHORIZATION FORM (PART 1)
- --------------------------------------------------------------------------------
 
1. SHARE PURCHASE APPLICATION
 
    I, being of legal age, wish to purchase: (choose one)
    / / Class A shares    / / Class B shares    / / Class C shares   / / Class D
shares
 
of Merrill Lynch Americas Income Fund, Inc. and establish an Investment Account
as described in the Prospectus. In the event that I am not eligible to purchase
Class A shares, I understand that Class D shares will be purchased.
 
    Basis for establishing an Investment Account:
 
        A. I enclose a check for $ ..... payable to Merrill Lynch Financial Data
    Services, Inc., as an initial investment (minimum
    $1,000). I understand that this purchase will be executed at the applicable
    offering price next to be determined after this Application is received by
    you.
 
        B. I already own shares of the following Merrill Lynch mutual funds that
    would qualify for the right of accumulation as outlined in the Statement of
    Additional Information: (Please list all funds. Use a separate sheet of
    paper if necessary.)
 
<TABLE>
<S>                                                     <C>
1.  ..................................................  4.  ..................................................
2.  ..................................................  5.  ..................................................
3.  ..................................................  6.  ..................................................
 
Name..........................................................................................................
                        First Name                        Initial                        Last
Name
 
Name of Co-Owner (if any).....................................................................................
                        First Name                        Initial                        Last
Name
 
Address.......................................................................................................
 
 ......................................................  Date..................................................
                                            (Zip Code)
 
Occupation............................................  Name and Address of Employer..........................
 
                                                        ......................................................
 
                                                        ......................................................
 
 ......................................................  ......................................................
                  Signature of Owner                                Signature of Co-Owner (if any)

</TABLE>
 
(In the case of co-owner, a joint tenancy with right of survivorship will be
presumed unless otherwise specified.)
- --------------------------------------------------------------------------------
 
2. DIVIDEND AND CAPITAL GAIN DISTRIBUTION OPTIONS
 
<TABLE>
<S>                                       <C>
  Ordinary Income Dividends                 Long-Term Capital Gains
  SELECT    / /  Reinvest                   SELECT    / /  Reinvest
   ONE:    / /  Cash                         ONE:    / /  Cash
</TABLE>
 
If no election is made, dividends and capital gains will be automatically
reinvested at net asset value without a sales charge.
 
IF CASH, SPECIFY HOW YOU WOULD LIKE YOUR DISTRIBUTIONS PAID TO YOU:    / / Check
or     / / Direct Deposit to bank account
 
IF DIRECT DEPOSIT TO BANK ACCOUNT IS SELECTED, PLEASE COMPLETE BELOW:
 
I hereby authorize payment of dividend and capital gain distributions by direct
deposit to my bank account and, if necessary, debit entries and adjustments for
any credit entries made to my account in accordance with the terms I have
selected on the Merrill Lynch Americas Income Fund, Inc. Authorization Form.
 
SPECIFY TYPE OF ACCOUNT (check one):  / / checking   / / savings
 
<TABLE>
<S>                                                       <C>
Name on your Account..............................................................................................
 
Bank Name.........................................................................................................
 
Bank Number.............................................  Account Number..........................................
 
Bank Address......................................................................................................
 
I AGREE THAT THIS AUTHORIZATION WILL REMAIN IN EFFECT UNTIL I PROVIDE WRITTEN NOTIFICATION TO MERRILL LYNCH
FINANCIAL DATA SERVICES, INC. AMENDING OR TERMINATING THIS SERVICE.
 
Signature of Depositor............................................................................................
 
Signature of Depositor..................................  Date....................................................
(If joint account, both must sign)
</TABLE>
 
NOTE: IF DIRECT DEPOSIT TO BANK ACCOUNT IS SELECTED, YOUR BLANK, UNSIGNED CHECK
MARKED 'VOID' OR A DEPOSIT SLIP FROM YOUR SAVINGS ACCOUNT SHOULD ACCOMPANY THIS
APPLICATION.
 
                                       49

<PAGE>
MERRILL LYNCH AMERICAS INCOME FUND, INC.--AUTHORIZATION FORM (PART
1)--(CONTINUED)
- --------------------------------------------------------------------------------
3. SOCIAL SECURITY NUMBER OR TAXPAYER IDENTIFICATION NUMBER
 
            Social Security Number or Taxpayer Identification Number
 
    Under penalty of perjury, I certify (1) that the number set forth above is
my correct Social Security Number or Taxpayer Identification Number and (2) that
I am not subject to backup withholding (as discussed in the Prospectus under
'Additional Information--Taxes') either because I have not been notified that I
am subject thereto as a result of a failure to report all interest or dividends,
or the Internal Revenue Service ('IRS') has notified me that I am no longer
subject thereto.
 
    INSTRUCTION: YOU MUST STRIKE OUT THE LANGUAGE IN (2) ABOVE IF YOU HAVE BEEN
NOTIFIED THAT YOU ARE SUBJECT TO BACKUP WITHHOLDING DUE TO UNDERREPORTING AND IF
YOU HAVE NOT RECEIVED A NOTICE FROM THE IRS THAT BACKUP WITHHOLDING HAS BEEN
TERMINATED. THE UNDERSIGNED AUTHORIZES THE FURNISHING OF THIS CERTIFICATION TO
OTHER MERRILL LYNCH SPONSORED MUTUAL FUNDS.
 
<TABLE>
<S>                                      <C>
 ......................................  .......................................
          Signature of Owner                 Signature of Co-Owner (if any)
</TABLE>
 
- --------------------------------------------------------------------------------
4. LETTER OF INTENTION--CLASS A AND D SHARES ONLY (See terms and conditions in
the Statement of Additional Information)
 
                                                      .............. , 19 ......
                                                                 Date of Initial
                                                         Purchase
 
Dear Sir/Madam:
 
    Although I am not obligated to do so, I intend to purchase shares of Merrill
Lynch Americas Income Fund, Inc. or any other investment company with an initial
sales charge or deferred sales charge for which Merrill Lynch Funds Distributor,
Inc. acts as distributor over the next 13-month period which will equal or
exceed:
 
   / /  $25,000   / /  $50,000   / /  $100,000  / /  $250,000  / /  $1,000,000
 
    Each purchase will be made at the then reduced offering price applicable to
the amount checked above, as described in the Merrill Lych Americas Income Fund,
Inc. Prospectus.
 
    I agree to the terms and conditions of this Letter of Intention. I hereby
irrevocably constitute and appoint Merrill Lynch Funds Distributor, Inc., my
attorney, with full power of substitution, to surrender for redemption any or
all shares of Merrill Lynch Americas Income Fund, Inc. held as security.

 
<TABLE>
<S>                                      <C>
By: ...................................  .......................................
          Signature of Owner                      Signature of Co-Owner
                                           (If registered in joint names, both
                                                       must sign)
</TABLE>
 
    In making purchases under this letter, the following are the related
accounts on which reduced offering prices are to apply:
 
<TABLE>
<S>                                      <C>
(1) Name ..............................  (2) Name ..............................
 
Account Number ........................  Account Number ........................
</TABLE>
 
- --------------------------------------------------------------------------------
5. FOR DEALER ONLY
 
                         Branch Office, Address, Stamp
 
This form, when completed, should be mailed to:
  Merrill Lynch Americas Income Fund, Inc.
  c/o Merrill Lynch Financial Data Services, Inc.
  P.O. Box 45289
  Jacksonville, Florida 32232-5289
 
We hereby authorize Merrill Lynch Funds Distributor, Inc. to act as our agent in
connection with transactions under this authorization form and agree to notify
the Distributor of any purchases or sales made under a Letter of Intention,
Automatic Investment Plan or Systematic Withdrawal Plan. We guarantee the
shareholder's signature.
 
 ...............................................................................
                            Dealer Name and Address
 
By:.............................................................................
                         Authorized Signature of Dealer
 
<TABLE>
<S>                                      <C>
                                         .......................................
Branch Code   F/C No.                    F/C Last Name
 
Dealer's Customer Account No.
</TABLE>
 
                                       50


<PAGE>
     MERRILL LYNCH AMERICAS INCOME FUND, INC.--AUTHORIZATION FORM (PART 2)
- --------------------------------------------------------------------------------
NOTE: THIS FORM IS REQUIRED TO APPLY FOR THE SYSTEMATIC WITHDRAWAL OR AUTOMATIC
INVESTMENT PLANS ONLY.
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
Please Print                                                                             Social Security Number
                                                                                    or Taxpayer Identification Number
<S>                                                                       <C>
Name of Owner  .........................................................
                     First Name        Initial        Last Name
 
Address ................................................................
 
 .......................................................................
                                                              (Zip Code)
 
Name of Co-Owner (if any)  .............................................
                     First Name        Initial        Last Name
 
Address ................................................................  Account Number ......................................
                                                                          (if existing account)
 .......................................................................
                                                              (Zip Code)
</TABLE>

- --------------------------------------------------------------------------------
   
2.  SYSTEMATIC WITHDRAWAL PLAN--(SEE TERMS AND CONDITIONS IN THE STATEMENT OF
ADDITIONAL INFORMATION)
    
 
   
MINIMUM REQUIREMENTS: $10,000 for monthly disbursements, $5,000 for quarterly,
of / / Class A, / / Class B*, / / Class C* or / / Class D shares in Merrill
Lynch Americas Income Fund, Inc. at cost or current offering price. Withdrawals
to be made either (check one) / / Monthly on the 24th day of each month, or / /
Quarterly on the 24th day of March, June, September and December. If the 24th
falls on a weekend or holiday, the next succeeding business day will be
utilized. Begin systematic withdrawal on .................. or as soon as
possible thereafter.                           (month)
    
 
   
SPECIFY THE AMOUNT OF THE WITHDRAWAL YOU WOULD LIKE PAID TO YOU: / /
$.................. of (check one) / / Class A, / / Class B*, / / Class C* or /
/ Class D shares in the account.
    
 
SPECIFY WITHDRAWAL METHOD: / / check or / / direct deposit to bank account
(check one and complete part (a) or (b) below):
 

DRAW CHECKS PAYABLE (CHECK ONE)
 
(a) I hereby authorize payment by check
   / / as indicated in Item 1.
   / / to the order of .........................................................
 
Mail to (check one)
   / / the address indicated in Item 1.
   / / Name (please print) .....................................................
 
Address  .......................................................................
       .........................................................................
 
Signature of Owner ...........................   Date ..........................
 
Signature of Co-Owner (if any) .................................................
 
(B) I HEREBY AUTHORIZE PAYMENT BY DIRECT DEPOSIT TO MY BANK ACCOUNT AND, IF
NECESSARY, DEBIT ENTRIES AND ADJUSTMENTS FOR ANY CREDIT ENTRIES MADE TO MY
ACCOUNT. I AGREE THAT THIS AUTHORIZATION WILL REMAIN IN EFFECT UNTIL I PROVIDE
WRITTEN NOTIFICATION TO MERRILL LYNCH FINANCIAL DATA SERVICES, INC. AMENDING OR
TERMINATING THIS SERVICE.
Specify type of account (check one): / / checking / / savings
 
Name on your Account ...........................................................
 
Bank Name ......................................................................
 
Bank Number .........................   Account Number .........................
 
Bank Address ...................................................................
 
             ...................................................................
 
Signature of Depositor .........................   Date ........................
 
Signature of Depositor .........................................................
(If joint account, both must sign)
 
NOTE: IF DIRECT DEPOSIT IS ELECTED, YOUR BLANK, UNSIGNED CHECK MARKED 'VOID' OR
A DEPOSIT SLIP FROM YOUR SAVINGS ACCOUNT SHOULD ACCOMPANY THIS APPLICATION.
 
   
* ANNUAL WITHDRAWAL CANNOT EXCEED 10% OF THE VALUE OF SHARES OF SUCH CLASS HELD
IN THE ACCOUNT AT THE TIME THE ELECTION TO JOIN THE SYSTEMATIC WITHDRAWAL PLAN
IS MADE.
    
 
                                       51


<PAGE>
         MERRILL LYNCH AMERICAS INCOME FUND, INC.--AUTHORIZATION FORM
                            (PART 2)--(CONTINUED)
- --------------------------------------------------------------------------------
 
3. APPLICATION FOR AUTOMATIC INVESTMENT PLAN
 
    I hereby request that Merrill Lynch Financial Data Services, Inc. draw an
automated clearing house ('ACH') debit on my checking account as described below
each month to purchase: (choose one)
    / / Class A shares    / / Class B shares    / / Class C shares   / / Class D
shares
 
of Merrill Lynch Americas Income Fund, Inc. subject to the terms set forth
below. In the event that I am not eligible to purchase Class A shares, I
understand that Class D shares will be purchased.
 
                  MERRILL LYNCH FINANCIAL DATA SERVICES, INC.
 
You are hereby authorized to draw an ACH debit each month on my bank account for
investment in Merrill Lynch Americas Income Fund, Inc. as indicated below:
 
    Amount of each ACH debit $ .................................................
 
    Account Number .............................................................
 
Please date and invest ACH debits on the 20th of each month
 
beginning  .................................. or as soon thereafter as possible.
               (Month)
 
    I agree that you are preparing these ACH debits voluntarily at my request
and that you shall not be liable for any loss arising from any delay in
preparing or failure to prepare any such debit. If I change banks or desire to
terminate or suspend this program, I agree to notify you promptly in writing. I
hereby authorize you to take any action to correct erroneous ACH debits of my
bank account or purchases of Fund shares including liquidating shares of the
Fund and crediting my bank account. I further agree that if a debit is not
honored upon presentation, Merrill Lynch Financial Data Services, Inc. is
authorized to discontinue immediately the Automatic Investment Plan and to
liquidate sufficient shares held in my account to offset the purchase made with
the dishonored debit.
 
<TABLE>
<S>                                      <C>
 ......................................  .......................................
                 Date                            Signature of Depositor
 
                                         .......................................
                                                 Signature of Depositor
                                           (If joint account, both must sign)
</TABLE>
 
                    AUTHORIZATION TO HONOR ACH DEBITS DRAWN

                 BY MERRILL LYNCH FINANCIAL DATA SERVICES, INC.
 
To ........................................................................ Bank
                              (Investor's Bank)
 
Bank Address ...................................................................
City  ............ State  ............ Zip Code  ...............................
 
As a convenience to me, I hereby request and authorize you to pay and charge to
my account ACH debits drawn on my account by and payable to Merrill Lynch
Financial Data Services, Inc. I agree that your rights in respect to each such
debit shall be the same as if it were a check drawn on you and signed personally
by me. This authority is to remain in effect until revoked by me in writing.
Until you receive such notice, you shall be fully protected in honoring any such
debit. I further agree that if any such debit be dishonored, whether with or
without cause and whether intentionally or inadvertently, you shall be under no
liability.
 
<TABLE>
<S>                                      <C>
 ......................................  .......................................
                 Date                            Signature of Depositor
 
 ......................................  .......................................
             Bank Account                        Signature of Depositor
                Number                     (If joint account, both must sign)
</TABLE>
 
NOTE: IF AUTOMATIC INVESTMENT PLAN IS ELECTED, YOUR BLANK, UNSIGNED CHECK MARKED
'VOID' SHOULD ACCOMPANY THIS APPLICATION.
 
                                       52


<PAGE>
                                   APPENDIX A

                          VARIOUS PORTFOLIO STRATEGIES
 
     The Fund is authorized to engage in various portfolio hedging strategies.
These strategies are described in more detail below.
 
     Interest Rate Transactions.  In order to hedge the value of the Fund's
portfolio against interest rate fluctuations or to enhance the Fund's income,
the Fund may enter into various transactions, such as interest rate swaps and
the purchase or sale of interest rate caps and floors. The Fund expects to enter
into these transactions primarily to preserve a return or spread on a particular
investment or portion of its portfolio or to protect against any increase in the
price of securities the Fund anticipates purchasing at a later date. The Fund
intends to use these transactions primarily as a hedge and not as a speculative
investment. However, the Fund may also invest in interest rate swaps to enhance
income or to increase the Fund's yield during periods of steep interest rate
yield curves (i.e., wide differences between short-term and long-term interest
rates).
 
     The purchase of an interest rate cap entitles the purchaser, to the extent
that a specified index exceeds a predetermined interest rate, to receive
payments of interest on a notional principal amount from the party selling such
interest rate cap. The purchase of an interest rate floor entitles the
purchaser, to the extent that a specified index falls below a predetermined
interest rate, to receive payments of interest on a notional principal amount
from the party selling such interest rate floor.
 
     In an interest rate swap, the Fund exchanges with another party their
respective commitments to pay or receive interest, e.g., an exchange of fixed
rate payments for floating rate payments. For example, if the Fund holds a
mortgage-backed security with an interest rate that is reset only once each
year, it may swap the right to receive interest at this fixed rate for the right
to receive interest at a rate that is reset every week. This would enable the
Fund to offset a decline in the value of the mortgage-backed security due to
rising interest rates but would also limit its ability to benefit from falling
interest rates. Conversely, if the Fund holds a mortgage-backed security with an
interest rate that is reset every week and it would like to lock in what it
believes to be a high interest rate for one year, it may swap the right to
receive interest at this variable weekly rate for the right to receive interest
at a rate that is fixed for one year. Such a swap would protect the Fund from a
reduction in yield due to falling interest rates and may permit the Fund to
enhance its income through the positive differential between one week and one
year interest rates, but would preclude it from taking full advantage of rising
interest rates.
 
     Typically the parties with which the Fund will enter into interest rate
transactions will be broker-dealers and other financial institutions. The Fund
will not enter into any interest rate swap, cap or floor transaction unless the
unsecured senior debt or the claims-paying ability of the other party thereto is
rated in one of the two highest rating categories of at least one nationally
recognized statistical rating organization at the time of entering into such
transaction or whose creditworthiness is believed by the Investment Adviser to

be equivalent to such rating. If there is a default by the other party to such a
transaction, the Fund will have contractual remedies pursuant to the agreements
related to the transaction. The swap market has grown substantially in recent
years with a large number of banks and investment banking firms acting both as
principals and as agents utilizing standardized swap documentation. As a result,
the swap market has become relatively liquid in comparison with other similar
instruments traded in the interbank market. Caps and floors, however, are less
liquid than swaps. Certain Federal income tax requirements may limit the Fund's
ability to engage in certain interest rate transactions. Gains from transactions
in interest rate swaps distributed to shareholders will be taxable as ordinary
income or, in certain circumstances, as long-term capital gains to shareholders.
 
                                      A-1
<PAGE>
   
     Call Options on Portfolio Securities.  The Fund may purchase call options
on any of the types of securities in which it may invest. A purchased call
option gives the Fund the right to buy, and obligates the seller to sell, the
underlying security at the exercise price at any time during the option period.
The Fund also is authorized to write (i.e., sell) covered call options on the
securities in which it may invest and to enter into closing purchase
transactions with respect to certain of such options. A covered call option is
an option where the Fund, in return for a premium, gives another party a right
to buy specified securities owned by the Fund on or before a specified future
date and at a specified price set at the time of the contract. The principal
reason for writing call options is to attempt to realize, through the receipt of
premiums, a greater return than would be realized on the securities alone. By
writing covered call options, the Fund gives up the opportunity while the option
is in effect, to profit from any price increase in the underlying security above
the option exercise price. In addition, the Fund's ability to sell the
underlying security will be limited while the option is in effect unless the
Fund effects a closing purchase transaction. A closing purchase transaction
cancels out the Fund's position as the writer of an option by means of an
offsetting purchase of an identical option prior to the expiration of the option
it has written. Covered call options also serve as a partial hedge against the
price of the underlying security declining. The Fund may also purchase and sell
call options on indices. Index options are similar to options on securities
except that, rather than taking or making delivery of securities underlying the
option at a specified price upon exercise, an index option gives the holder the
right to receive cash upon exercise of the option if the level of the index upon
which the option is based is greater than the exercise price of the option. The
Fund will not purchase options on securities if as a result of such purchase,
the aggregate cost of all outstanding options on securities held by the Fund
would exceed 5% of the market value of the Fund's total assets.
    
 
   
     Put Options on Portfolio Securities.  The Fund is authorized to purchase
put options to hedge against a decline in the value of its securities. By buying
a put option, the Fund has a right to sell the underlying security at the stated
exercise price, thus limiting the Fund's risk of loss through a decline in the
market value of the security until the put option expires. The amount of any
appreciation in the value of the underlying security will be partially offset by
the amount of the premium paid for the put option and any related transaction

costs. Prior to its expiration, a put option may be sold in a closing sale
transaction and profit or loss from the sale will depend on whether the amount
received is more or less than the premium paid for the put option plus the
related transaction costs. A closing sale transaction cancels out the Fund's
position as the purchaser of an option by means of an offsetting sale of an
identical option prior to the expiration of the option it has purchased. The
Fund also has authority to write (i.e., sell) put options on the types of
securities which may be held by the Fund, provided that such put options are
covered, meaning that such options are secured by segregated, liquid securities.
In certain circumstances, the Fund may purchase call options on securities held
in its portfolio on which it has written call options or which it intends to
purchase. The Fund will receive a premium for writing a put option, which
increases the Fund's return. The Fund will not sell puts if, as a result, more
than 50% of the Fund's assets would be required to cover its potential
obligations under its hedging and other investment transactions. The Fund may
purchase and sell put options on indices. Index options are similar to options
on securities except that, rather than taking or making delivery of securities
underlying the option at a specified price upon exercise, an index option gives
the holder the right to receive cash upon exercise of the option if the level of
the index upon which the option is based is less than the exercise price of the
option.
    
 
     Financial Futures and Options Thereon.  The Fund is authorized to engage in
transactions in financial futures contracts ('futures contracts') and related
options on such futures contracts as a hedge against adverse changes in the
market value of its portfolio securities and interest rates. A futures contract
is an agreement between two parties which obligates the purchaser of the futures
contract to buy and the seller of a futures contract to sell a security for a
set price on a future date or, in the case of an index futures contract, to make
and accept a cash settlement based upon the difference in value of the index
between the time the contract was
 
                                      A-2
<PAGE>
entered into and the time of its settlement. 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 'contract markets' by the
Commodity Futures Trading Commission ('CFTC'). Transactions by the Fund in
futures contracts and financial futures are subject to limitations as described
below under 'Restrictions on the Use of Futures Transactions.'
 
     The Fund may sell financial futures contracts in anticipation of an
increase in the general level of interest rates. Generally, as interest rates
rise, the market values of securities which may be held by the Fund will fall,
thus reducing the net asset value of the Fund. However, as interest rates rise,
the value of the Fund's short position in the futures contract will also tend to
increase, thus offsetting all or a portion of the depreciation in the market
value of the Fund's investments which are being hedged. While the Fund will
incur commission expenses in selling and closing out futures positions, these
commissions are generally less than the transaction expenses which the Fund
would have incurred had the Fund sold portfolio securities in order to reduce

its exposure to increases in interest rates. The Fund also may purchase
financial futures contracts in anticipation of a decline in interest rates when
it is not fully invested in a particular market in which it intends to make
investments to gain market exposure that may in part or entirely offset an
increase in the cost of securities it intends to purchase. It is anticipated
that, in a substantial majority of these transactions, the Fund will purchase
securities upon termination of the futures contract.
 
     The Fund also has the authority to purchase and write call and put options
on futures contracts in connection with its hedging activities. Generally, these
strategies are utilized under the same market and market sector conditions
(i.e., conditions relating to specific types of investments) in which the Fund
enters into futures transactions. The Fund may purchase put options or write
call options on futures contracts rather than selling the underlying futures
contract in anticipation of a decrease in the market value of securities or an
increase in interest rates. Similarly, the Fund may purchase call options, or
write put options on futures contracts, as a substitute for the purchase of such
futures to hedge against the increased cost resulting from an increase in the
market value or a decline in interest rates of securities which the Fund intends
to purchase.
 
     The Fund may engage in options and futures transactions on exchanges and
options in the over-the-counter markets ('OTC options'). In general,
exchange-traded contracts are third-party contracts (i.e., performance of the
parties' obligation is guaranteed by an exchange or clearing corporation) with
standardized strike prices and expiration dates. OTC options transactions are
two-party contracts with price and terms negotiated by the buyer and seller. See
'Restrictions on OTC Options' below for information as to restrictions on the
use of OTC options.
 
     To trade futures contracts, the Fund is not required to deposit funds equal
to the value of the futures contract. The Fund need only make a deposit, called
an 'initial margin deposit,' equal to a small percentage (typically between 2%
and 15%) of the value of the futures contract. As a result, a relatively small
adverse move in the price of a futures contract may result in immediate and
substantial losses to the Fund. For example, if at the time of purchase 10% of
the price of a futures contract is deposited as margin, a 10% decrease in the
price of that contract would, if the contract were then closed out, result in a
total loss of the initial margin deposit before any deduction for brokerage
commissions and other transaction costs. A decrease of more than 10% would
result in a loss of more than the total initial margin deposit.
 
     To some extent, options on futures contracts are even more highly leveraged
than futures contracts. For example, if an in-the-money call (put) option is
sold for its intrinsic value plus a premium representing the time value of that
option, a 10% rise (drop) in the value of the underlying futures contract does
not create a loss equal
 
                                      A-3
<PAGE>
to just 10% of the value of the option. Such a rise (drop) creates a loss
approximately equal to 10% of the value of the underlying interest, less the
time value, which loss may be many times greater than the price for which the
Fund sold the option. In addition, investors who sell options are required only

to deposit a percentage of the value of the option at the time of sale as
margin, thereby leveraging the investment even further.
 
     Foreign Currency Hedging.  The Fund has authority to deal in forward
foreign exchange among currencies of the different countries in which it will
invest and multinational currency units as a hedge against possible variations
in the foreign exchange rates among these currencies. This is accomplished
through contractual agreements to purchase or sell a specified currency at a
specified future date (up to one year) and price set at the time of the
contract. The Fund's dealings in forward foreign exchange will be limited to
hedging involving either specific transactions or portfolio positions.
Transaction hedging is the purchase or sale of forward foreign currency with
respect to specific receivables or payables of the Fund accruing in connection
with the purchase and sale of its portfolio securities, the sale and redemption
of shares of the Fund or the payment of dividends and distributions by the Fund.
Position hedging is the sale of forward foreign currency with respect to
portfolio security positions denominated or quoted in such foreign currency. In
this situation, the Fund also may, for example, enter into a forward contract to
sell or purchase a different foreign currency for a fixed U.S. dollar amount
where it is believed that the U.S. dollar value of the currency to be sold or
bought pursuant to the forward contract will fall or rise, as the case may be,
whenever there is a decline or increase, respectively, in the U.S. dollar value
of the currency in which portfolio securities of the Fund are denominated (this
practice being referred to as a 'cross-hedge').
 
     The Fund will not speculate in forward foreign exchange. Hedging against a
decline in the value of a currency does not eliminate fluctuations in the prices
of portfolio securities or prevent losses if the prices of such securities
decline. Such transactions also preclude the opportunity for gain if the value
of the hedged currency should rise. Moreover, it may not be possible for the
Fund to hedge against a devaluation that is so generally anticipated that the
Fund is not able to contract to sell the currency at a price above the
devaluation level it anticipates.
 
     The Fund is also authorized to purchase or sell listed or OTC foreign
currency options, foreign currency futures and related options on foreign
currency futures as a short or long hedge against possible variations in foreign
exchange rates. Such transactions may be effected with respect to hedges on
non-U.S. denominated securities owned by the Fund, sold by the Fund but not yet
delivered, or committed or anticipated to be purchased by the Fund.
 
     Certain differences exist between these foreign currency hedging
instruments. Foreign currency options provide the holder thereof the right to
buy or sell a currency at a fixed price on a future date. A futures contract on
a foreign currency is an agreement between two parties to buy and sell a
specified amount of a currency for a set price on a future date. Futures
contracts and options on futures contracts are traded on boards of trade of
futures exchanges. The Fund will not speculate in foreign currency options,
futures or related options. Accordingly, the Fund will not hedge a currency
substantially in excess of the market value of securities which it has committed
or anticipates to purchase which are denominated in such currency, and in the
case of securities which have been sold by the Fund but not yet delivered, the
proceeds thereof in its denominated currency.
 

     In connection with its trading in forward foreign currency contracts, the
Fund will contract with a foreign or domestic bank, or foreign or domestic
securities dealer, to make or take future delivery of a specified amount of a
particular currency. There are no limitations on daily price moves in such
forward contracts, and banks and dealers are not required to continue to make
markets in such contracts. There have been periods during which certain banks
and dealers have refused to quote prices for such forward contracts or have
quoted prices with an
 
                                      A-4
<PAGE>
unusually wide spread between the price at which the bank or dealer is prepared
to buy and that at which it is prepared to sell. Governmental imposition of
credit controls might limit any such forward contract trading. With respect to
its trading of forward contracts, if any, the Fund will be subject to the risk
of bank or dealer failure and the inability of, or refusal by, a bank or dealer
to perform with respect to such contracts. Any such default would deprive the
Fund of any profit potential or force the Fund to cover its commitments for
resale, if any, at the then-market price and could result in a loss to the Fund.
 
     Restrictions on the Use of Futures Transactions.  Regulations of the CFTC
applicable to the Fund provide that the futures trading activities described
herein will not result in the Fund being deemed a 'commodity pool' under such
regulations if the Fund adheres to certain restrictions. In particular, the Fund
may purchase and sell futures contracts and options thereon (i) for bona fide
hedging purposes, and (ii) for non-hedging purposes, if the aggregate initial
margin and premiums required to establish positions in such contracts and
options does not exceed 5% of the liquidation value of the Fund's portfolio,
after taking into account unrealized profits and unrealized losses on any such
contracts and options.
 
     When the Fund purchases a futures contract or writes a put option or
purchases a call option thereon, an amount of cash equivalents will be deposited
in a segregated account with the Fund's custodian so that the amount so
segregated, plus the amount of 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 contract or option strategy is unleveraged.
 
     An order has been obtained from the Commission which exempts the Fund from
certain provisions of the Investment Company Act in connection with transactions
involving futures contracts and options thereon.
 
     Restrictions on OTC Options.  The Fund will engage in OTC options only with
member banks of the Federal Reserve System and primary dealers in U.S.
Government securities or with affiliates of such banks or dealers which have
capital of at least $50 million or whose obligations are guaranteed by an entity
having capital of at least $50 million.
 
     Risk Factors in Interest Rate Transactions and Options, Futures and
Currency Transactions.  The use of interest rate transactions is a highly
specialized activity which involves investment techniques and risks different
from those associated with ordinary portfolio securities transactions. Interest
rate transactions involve the risk of an imperfect correlation between the index
used in the hedging transaction and that pertaining to the securities which are

the subject of such transaction. If the Investment Adviser is incorrect in its
forecasts of market values, interest rates and other applicable factors, the
investment performance of the Fund would diminish compared with what it would
have been if these investment techniques were not used. In addition, interest
rate transactions that may be entered into by the Fund do not involve the
delivery of securities or other underlying assets or principal. Accordingly, the
risk of loss with respect to interest rate swaps is limited to the net amount of
interest payments that the Fund is contractually obligated to make. If the
security underlying an interest rate swap is prepaid and the Fund continues to
be obligated to make payments to the other party to the swap, the Fund would
have to make such payments from another source. If the other party to an
interest rate swap defaults, the Fund's risk of loss consists of the net amount
of interest payments that the Fund contractually is entitled to receive. In the
case of a purchase by the Fund of an interest rate cap or floor, the amount of
loss is limited to the fee paid. Since interest rate transactions are
individually negotiated, the Investment Adviser expects to achieve an acceptable
degree of correlation between the Fund's rights to receive interest on
securities and its rights and obligations to receive and pay interest pursuant
to interest rate swaps. Utilization of options and futures transactions to hedge
the portfolio involves the risk of imperfect correlation in movements in the
price of options and futures and movements in the prices of the securities,
interest rates or currencies which are the subject of the hedge. If the
 
                                      A-5
<PAGE>
price of the options or futures moves more or less than the price of 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 the subject of the hedge. This
risk particularly applies to the Fund's use of futures and options thereon since
it will generally use such instruments as a so-called 'cross-hedge,' which means
that the instrument that is the subject of the futures contract is different
from the instrument being hedged by the contract.
 
     Prior to exercise or expiration, an exchange-traded option position can
only be terminated by entering into a closing purchase or sale transaction. This
requires a secondary market on an exchange for call or put options of the same
series. The Fund intends to enter into options and futures transactions, on an
exchange or in the over-the-counter market, only if there appears to be a liquid
secondary market for such options or futures. However, there can be no assurance
that a liquid secondary market will exist at any specific time. Thus, it may not
be possible to close an options or futures position. The inability to close
options and futures positions also could have an adverse impact on the Fund's
ability to effectively hedge its portfolio. There is also the risk of loss by
the Fund of margin deposits or collateral in the event of bankruptcy of a broker
with whom the Fund has an open position in an option, a futures contract or an
option related to a futures contract.
 
                                      A-6


<PAGE>
                                   APPENDIX B

                           RATING OF DEBT SECURITIES
 
DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC. ('MOODY'S') CORPORATE RATINGS
 
   
<TABLE>
<S>   <C>
Aaa   Bonds which are rated 'Aaa' are judged to be of the best quality. They carry the smallest degree of
      investment risk and generally are 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 generally are known as high grade bonds. They are rated lower than the best bonds
      because margins of protection may not be as large as with 'Aaa' securities or fluctuation of protective
      elements may be of greater amplitude or there may be other elements present which make the long-term risks
      appear somewhat larger than in 'Aaa' securities.
A     Bonds which are rated 'A' possess many favorable investment attributes and are to be considered as
      upper-medium grade obligations. Factors giving security to principal and interest are considered adequate,
      but elements may be present which suggest a susceptibility to impairment some time 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 payments 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 a 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.
</TABLE>
    
 
   
   Note: Moody's applies numerical modifiers 1, 2 and 3 in each generic rating
classification from 'Aa' through 'B'. The modifier 1 indicates that the
obligation ranks in the higher end of its generic rating category; the modifier
2 indicates a mid-range ranking; and the modifier 3 indicates a ranking in the
lower end of that generic rating category.
    
 
                                      B-1


<PAGE>
DESCRIPTION OF MOODY'S COMMERCIAL PAPER RATINGS
 
     The term 'commercial paper' as used by Moody's means promissory obligations
not having an original maturity in excess of nine months. Moody's makes no
representations as to whether such commercial paper is by any other definition
'commercial paper' or is exempt from registration under the Securities Act of
1933, as amended.
 
     Moody's Commercial Paper ratings are opinions of the ability of issuers to
repay punctually promissory obligations not having an original maturity in
excess of nine months. Moody's makes no representation that such obligations are
exempt from registration under the Securities Act of 1933 or issued in
conformity with any other applicable law or regulation. Obligations relying upon
support mechanisms such as letters-of-credit and bonds of indemnity are excluded
unless explicitly rated. Moody's employs the following three designations, all
judged to be investment grade, to indicate the relative repayment capacity of
rated issuers:
 
   
     Issuers rated Prime-1 (or related supporting institutions) have a superior
ability for repayment of short-term promissory obligations. Prime-1 repayment
ability will often be evidenced by 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 earnings coverage of fixed
financial charges and high internal cash generation; and well-established access
to a range of financial markets and assured sources of alternate liquidity.
    
 
   
     Issuers rated Prime-2 (or supporting institutions) have a strong ability
for repayment of senior short-term promissory obligations. This will normally be
evidenced by many of the characteristics cited above but to a lesser degree.
Earnings trends and coverage ratios, while sound, 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 promissory obligations. The effect of
industry characteristics and market composition may be more pronounced.
Variability in earnings and profitability may result in changes in the level of
debt protection measurements and 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.
 
     If an issuer represents to Moody's that its Commercial Paper obligations
are supported by the credit of another entity or entities, then the name or
names of such supporting entity or entities are listed within parentheses

beneath the name of the issuer, or there is a footnote referring the reader to
another page for the name or names of the supporting entity or entities. In
assigning ratings to such issuers, Moody's evaluates the financial strength of
the indicated affiliated corporations, commercial banks, insurance companies,
foreign governments or other entities, but only as one factor in the total
rating assessment. Moody's makes no representation and gives no opinion on the
legal validity or enforceability of any support arrangement. You are cautioned
to review with your counsel any questions regarding particular support
arrangements.
 
   
DESCRIPTION OF STANDARD & POOR'S ('STANDARD & POOR'S') CORPORATE DEBT RATINGS
    
 
     A Standard & Poor's corporate or municipal debt rating is a current
assessment of the creditworthiness of an obligor with respect to a specific
obligation. This assessment may take into consideration obligors such as
guarantors, insurers or lessees.
 
                                      B-2
<PAGE>
     The debt rating is not a recommendation to purchase, sell or hold a
security, inasmuch as it does not comment as to market price or suitability for
a particular investor.
 
     The ratings are based on current information furnished by the issuer or
obtained by Standard & Poor's from other sources it considers reliable. Standard
& Poor's does not perform an audit in connection with any rating and may, on
occasion, rely on unaudited financial information. The ratings may be changed,
suspended or withdrawn as a result of changes in, or unavailability of, such
information, or based on other circumstances.
 
     The ratings are based, in varying degrees, on the following considerations:
(1) likelihood of default--capacity and willingness of the obligor as to the
timely payment of interest and repayment of principal in accordance with the
terms of the obligation; (2) nature of and provisions of the obligation; and (3)
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.
 
  Investment Grade
 
<TABLE>
<S>   <C>
AAA   Debt rated AAA has the highest rating assigned by Standard & Poor's. Capacity to pay interest and repay
      principal is extremely strong.

AA    Debt rated AA has a very strong capacity to pay interest and repay principal and differs from the highest
      rated issues only in small degree.

A     Debt rated A has a strong capacity to pay interest and repay principal although it is somewhat more
      susceptible to the adverse effects of changes in circumstances and economic conditions than debt in
      higher rated categories.


BBB   Debt rated BBB is regarded as having an adequate capacity to pay interest and repay principal. Whereas it
      normally exhibits adequate protection parameters, adverse economic conditions or changing circumstances
      are more likely to lead to a weakened capacity to pay interest and repay principal for debt in this
      category than for debt in higher rated categories.
</TABLE>
 
  Speculative Grade
 
     Debt rated BB, B, CCC, CC and C is regarded, on balance, as having
predominantly speculative characteristics with respect to capacity to pay
interest and repay principal. BB indicates the lowest degree of speculation and
C the highest. While such debt will likely have some quality and protective
characteristics, these are outweighed by large uncertainties or major exposures
to adverse conditions.
 
<TABLE>
<S>   <C>
BB    Debt rated BB has less near-term vulnerability to default than other speculative issues. However, it
      faces major ongoing uncertainties or exposure to adverse business, financial or economic conditions which
      could lead to inadequate capacity to meet timely interest and principal payments. The BB rating category
      is also used for debt subordinated to senior debt that is assigned an actual or implied BBB-rating.

B     Debt rated B has a greater vulnerability to default but presently has the capacity to meet interest
      payments and principal repayments. Adverse business, financial or economic conditions would likely impair
      capacity or willingness to pay interest and repay principal. The B rating category is also used for debt
      subordinated to senior debt that is assigned an actual or implied BB or BB-rating.
</TABLE>
 
                                      B-3
<PAGE>
<TABLE>
<S>   <C>
CCC   Debt rated CCC has a current identifiable vulnerability to default, and is dependent upon favorable
      business, financial and economic conditions to meet timely payments of interest and repayment of
      principal. In the event of adverse business, financial or economic conditions, it is not likely to have
      the capacity to pay interest and repay principal. The CCC rating category is also used for debt
      subordinated to senior debt that is assigned an actual or implied B or B- rating.

CC    The rating CC is typically applied to debt subordinated to senior debt which is assigned an actual or
      implied CCC rating.

C     The rating C is typically applied to debt subordinated to senior debt which is assigned an actual or
      implied CCC- debt rating. The C rating may be used to cover a situation where a bankruptcy petition has
      been filed but debt service payments are continued.

CI    The rating CI is reserved for income bonds on which no interest is being paid.

D     Debt rated D is in payment default. The D rating category is used when interest payments or principal
      payments are not made on the date due even if the applicable grace period has not expired, unless
      Standard & Poor's believes that such payments will be made during such grace period. The D rating also
      will be used upon the filing of a bankruptcy petition if debt service payments are jeopardized.
</TABLE>
 
- ------------------

 
<TABLE>
<S>                          <C>
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 ratings categories.

Provisional ratings:         The letter 'p' indicates that the rating is provisional. A provisional rating assumes
                             the successful completion of the project being financed by the debt being rated and
                             indicates that payment of debt service requirements is largely or entirely dependent
                             upon the successful and timely completion of the project. This rating, however, while
                             addressing credit quality subsequent to completion of the project, makes no comment on
                             the likelihood or risk of default upon failure of such completion. The investor should
                             exercise judgment with respect to such likelihood and risk.

L                            The letter 'L' indicates that the rating pertains to the principal amount of those
                             bonds to the extent that the underlying deposit collateral is federally insured and
                             interest is adequately collateralized.

*                            Continuance of the rating is contingent upon Standard & Poor's receipt of an executed
                             copy of the escrow agreement or closing documentation confirming investments and cash
                             flows.

NR                           Not rated.
</TABLE>
 
     Debt Obligations of Issuers outside the United States and its territories
are rated on the same basis as domestic corporate and municipal issues. The
ratings measure the creditworthiness of the obligor but do not take into account
currency exchange and related uncertainties.
 
     Bond Investment Quality Standards:  Under present commercial bank
regulations issued by the Comptroller of the Currency, Bonds rated in the top
four categories (AAA, AA, A and BBB, commonly known as 'investment grade'
ratings) are generally regarded as eligible for bank investment. In addition,
the laws of various states governing legal investments impose certain rating or
other standards for obligations eligible for investment by savings banks, trust
companies, insurance companies and fiduciaries generally.
 
                                      B-4
<PAGE>
DESCRIPTION OF STANDARD & POOR'S COMMERCIAL PAPER RATINGS
 
   
     A Standard & Poor's commercial paper rating is a current assessment of the
likelihood of timely payment of debt having an original maturity of no more than
365 days. Ratings are graded into several categories, ranging from 'A-1' for the
highest-quality obligations to 'D' for the lowest. These categories are as
follows:
    
 
   
<TABLE>
<S>   <C>
A-1   This highest category indicates that the degree of safety regarding timely payment is strong. Those issues

      determined to possess extremely strong safety characteristics are denoted with a plus (+) sign
      designation.

A-2   Capacity for timely payment on issues with this designation is satisfactory. However, the relative degree
      of safety is not as high as for issues designated 'A-1'.

A-3   Issues carrying this designation have adequate capacity for timely payment. They are, however, more
      vulnerable to the adverse effects of changes in circumstances than obligations carrying the higher
      designations.

B     Issues rated 'B' are regarded as having only a speculative capacity for timely payment.

C     This rating is assigned to short-term debt obligations with a doubtful capacity for payment.

D     Debt rated 'D' is in payment default. The 'D' rating category is used when interest payments or principal
      payments are not made on the date due, even if the applicable grace period has not expired, unless
      Standard & Poor's believes that such payments will be made during such grace period.
</TABLE>
    
 
   
     A commercial paper rating is not a recommendation to purchase or sell a
security. The ratings are based on current information furnished to Standard &
Poor's by the issuer or obtained by Standard & Poor's from other sources it
considers reliable. The ratings may be changed, suspended, or withdrawn as a
result of changes in, or unavailability of, such information, or based on other
circumstances.
    
 
                                      B-5


<PAGE>
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<PAGE>
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<PAGE>
                      [This page intentionally left blank]

<PAGE>
                               INVESTMENT ADVISER
 
                         Merrill Lynch Asset Management
 
                            Administrative Offices:
                             800 Scudders Mill Road
                          Plainsboro, New Jersey 08536
 
                                Mailing Address:
                                 P.O. Box 9011
                        Princeton, New Jersey 08543-9011
 

                                  DISTRIBUTOR
 
                     Merrill Lynch Funds Distributor, Inc.
 
                            Administrative Offices:
                             800 Scudders Mill Road
                          Plainsboro, New Jersey 08536
 
                                Mailing Address:
                                 P.O. Box 9081
                        Princeton, New Jersey 08543-9081
 

                                 TRANSFER AGENT
 
                  Merrill Lynch 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
 

                                   CUSTODIAN
 
                         Brown Brothers Harriman & Co.
                                40 Water Street
                          Boston, Massachusetts 02109
 

                              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 FUND, THE INVESTMENT ADVISER 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(Service Mark)
  System.......................................     4
Financial Highlights...........................     8
Investment Objective and Policies..............    10
  Special Considerations and Risk Factors......    13
  Investments in Mortgage-Backed and
    Asset-Backed Securities....................    17
  Other Investment Practices...................    20
  Investment Restrictions......................    23
Management of the Fund.........................    24
  Board of Directors...........................    24
  Advisory and Management Arrangements.........    25
  Code of Ethics...............................    26
  Transfer Agency Services.....................    26
Purchase of Shares.............................    27
  Initial Sales Charge Alternatives--Class A
    and Class D Shares.........................    29
  Deferred Sales Charge Alternatives--Class B
    and Class C Shares.........................    31
  Distribution Plans...........................    34
  Limitations on the Payment of Deferred Sales
    Charges....................................    36
Redemption of Shares...........................    36
  Redemption...................................    37
  Repurchase...................................    37
  Reinstatement Privilege--Class A and Class D
    Shares.....................................    38
Shareholder Services...........................    38
  Investment Account...........................    38
  Exchange Privilege...........................    39
  Automatic Reinvestment of Dividends and
    Capital Gains Distributions................    40
  Systematic Withdrawal Plans..................    40
  Automatic Investment Plans...................    40
  Fee-Based Programs...........................    40
Performance Data...............................    41

Additional Information.........................    42
  Dividends and Distributions..................    42
  Taxes........................................    43
  Determination of Net Asset Value.............    45
  Year 2000 Issues.............................    46
  Organization of the Fund.....................    46
  Shareholder Reports..........................    47
  Shareholder Inquiries........................    47
Authorization Form.............................    49
Appendix A--Various Portfolio Strategies.......   A-1
Appendix B--Rating of Debt Securities..........   B-1
</TABLE>
    
 
   
                                                              Code # 16802--0498
    

[LOGO] Merrill Lynch

Merrill Lynch
Americas Income
Fund, Inc.
   

[ART]

PROSPECTUS



April 1, 1998

Distributor:
Merrill Lynch
Funds Distributor, Inc.


This prospectus should be
retained for future reference.
    


<PAGE>
STATEMENT OF ADDITIONAL INFORMATION
 
                    MERRILL LYNCH AMERICAS INCOME FUND, INC.
   P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011 o PHONE NO. (609) 282-2800
 
                            ------------------------
 
     Merrill Lynch Americas Income Fund, Inc. (the 'Fund') is a non-diversified,
open-end management investment company that seeks a high level of current
income, consistent with prudent investment risk, by investing primarily in debt
securities denominated in a currency of a country located in the Western
Hemisphere (i.e., North and South America and the surrounding waters). The Fund
may at times utilize certain investment techniques, including options and
futures, to increase investment return or to hedge all or a portion of its
portfolio against interest rate, market and currency risks. In addition, the
Fund is authorized to borrow funds and to utilize leverage in amounts not to
exceed 33-1/3% of its total assets. There can be no assurance that the Fund's
investment objective will be achieved.
 
      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.
 
                            ------------------------
 
   
     This Statement of Additional Information of the Fund is not a prospectus
and should be read in conjunction with the prospectus of the Fund, dated April 
1, 1998 (the 'Prospectus'), which has been filed with the Securities and
Exchange Commission (the 'Commission') and can be obtained, without charge, by
calling or writing the Fund at the above telephone number or address. This
Statement of Additional Information has been incorporated by reference into the
Prospectus.
    
 
                            ------------------------
 
              MERRILL LYNCH ASSET MANAGEMENT -- INVESTMENT ADVISER
              MERRILL LYNCH FUNDS DISTRIBUTOR, INC. -- DISTRIBUTOR
 
                            ------------------------
 
   
    The date of this Statement of Additional Information is April 1, 1998.
    

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                       INVESTMENT OBJECTIVE AND POLICIES
 
     The investment objective of the Fund is to seek a high level of current
income, consistent with prudent investment risk, by investing primarily in debt
securities denominated in a currency of a country located in the Western
Hemisphere (i.e., North and South America and the surrounding waters). The Fund
also is authorized to invest up to 20% of its total assets in debt securities
denominated in currencies of countries located outside of the Western
Hemisphere. Reference is made to 'Investment Objective and Policies' in the
Prospectus for a discussion of the investment objective and policies of the
Fund.
 
   
     While it is the policy of the Fund generally not to engage in trading for
short-term gains, Merrill Lynch Asset Management, L.P. (the 'Investment Adviser'
or 'MLAM') will effect portfolio transactions without regard to holding period
if, in its judgment, such transactions are advisable in light of a change in
circumstances of a particular company or within a particular industry or in
general market, economic or financial conditions. For the fiscal years ended
December 31, 1997 and 1996, the Fund's portfolio turnover rates were 942.74% and
420.35%, respectively. The increased portfolio turnover rate for the fiscal year
ended December 31, 1997 resulted from increased sales of portfolio securities to
take advantage of profit-taking opportunities. A high portfolio turnover rate
involves certain tax consequences and correspondingly greater transaction costs
in the form of dealer spreads and brokerage commissions, which are borne
directly by the Fund.
    
 
     The U.S. Government has from time to time in the past imposed restrictions,
through taxation and otherwise, on foreign investments by U.S. investors such as
the Fund. If such restrictions should be reinstituted, it might become necessary
for the Fund to invest all or substantially all of its assets in U.S.
securities. In such event, the Fund would review its investment objective and
investment policies to determine whether changes are appropriate. Any changes in
the investment objective or fundamental policies set forth under 'Investment
Restrictions' below would require the approval of the holders of a majority of
the Fund's outstanding voting securities.
 
     The Fund's ability and decisions to purchase or sell portfolio securities
may be affected by laws or regulations relating to the convertibility and
repatriation of assets. Because the shares of the Fund are redeemable on a daily
basis on each day the Fund determines its net asset value in U.S. dollars, the
Fund intends to manage its portfolio so as to give reasonable assurance that it
will be able to obtain U.S. dollars to the extent necessary to meet anticipated
redemptions. See 'Redemption of Shares.' Under present conditions, the
Investment Adviser does not believe that these considerations will have any
significant effect on its portfolio strategy, although there can be no assurance
in this regard.
 
PORTFOLIO STRATEGIES INVOLVING INTEREST RATE TRANSACTIONS, OPTIONS AND FUTURES
 
     Reference is made to the discussion concerning various portfolio strategies
of the Fund under the caption 'Investment Objective and Policies--Other

Investment Practices--Portfolio Strategies Involving Interest Rate Transactions,
Options, Futures and Currency Transactions' in the Prospectus and to Appendix A
thereto.
 
     The Fund may engage in various portfolio strategies to seek to increase its
return through the use of options on portfolio securities and to hedge its
portfolio against market, interest rate and currency movements. The Fund has
authority to engage in interest rate transactions in order to hedge against
interest rate movements, purchase call and put options on securities, write
(i.e., sell) covered call options on its portfolio securities, and engage in
hedging transactions in financial futures and related options on such futures.
The Fund may also deal in forward foreign exchange transactions and foreign
currency options and futures and related options on such futures.
 
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     Although certain risks are involved in interest rate, options and futures
transactions (as discussed below), the Investment Adviser believes that, because
the Fund will (i) write only covered options on portfolio securities and (ii)
engage in other transactions primarily for hedging purposes, the interest rate,
options and futures portfolio strategies of the Fund will not subject the Fund
to the risks frequently associated with the speculative use of such
transactions.
 
     The following additional information relates to the instruments the Fund
may utilize with respect to its portfolio strategies involving interest rate
transactions, options and futures.
 
     Interest Rate Hedging Transactions.  The Fund usually will enter into
interest rate swap transactions on a net basis, i.e., the two payment streams
are netted out, with the Fund receiving or paying, as the case may be, only the
net amount of the two payments. Inasmuch as these transactions are entered into
for good faith hedging purposes, the Investment Adviser believes that such
obligations do not constitute senior securities and, accordingly, will not treat
them as being subject to its borrowing restrictions. The net amount of the
excess, if any, of the Fund's obligations over its entitlements with respect to
each interest rate swap will be accrued on a daily basis, and an amount of cash
or liquid securities having an aggregate net asset value at least equal to the
accrued excess will be maintained in a segregated account by the Fund's
custodian. If the interest rate swap transaction is entered into on other than a
net basis, the full amount of the Fund's obligations will be accrued on a daily
basis, and the full amount of the Fund's obligations will be maintained in a
segregated account by the Fund's custodian.
 
     Writing Covered Options.  The writer of a covered call option has no
control over when he may be required to sell his securities since he may be
assigned an exercise notice at any time prior to the termination of his
obligation as a writer. If an option expires unexercised, the writer realizes a
gain in the amount of the premium. Such a gain, of course, could be offset if
the underlying security were sold at a loss. If a call option is exercised, the
writer realizes a gain or loss from the sale of the underlying security.
 
     Put Options on Portfolio Securities.  The Fund writes only covered put
options which means that so long as the Fund is obligated as the writer of the

option it will, through its custodian, have deposited and maintained cash, cash
equivalents, U.S. Government securities or other liquid securities with the
Fund's custodian with a value equal to or greater than the exercise price of the
underlying securities. By writing a put, the Fund will be obligated to purchase
the underlying security at a price that may be higher than the market value of
that security at the time of exercise for as long as the option is outstanding.
The Fund may engage in closing transactions in order to terminate put options
that it has written.
 
     Option Markets.  The options in which the Fund invests may be options
issued by The Options Clearing Corporation (the 'Clearing Corporation') which
are currently traded on the Chicago Board Options Exchange, the American Stock
Exchange, the Philadelphia Stock Exchange, the Pacific Stock Exchange, the New
York Stock Exchange (the 'NYSE') or the Midwest Stock Exchange. An option
position may be closed out only on an exchange which provides a secondary market
for an option of the same series. If a secondary market does not exist, it might
not be possible to effect closing transactions in particular options, with the
result, in the case of a covered call option, that the Fund will not be able to
sell the underlying security until the option expires or it delivers the
underlying security upon exercise. Reasons for the absence of a liquid secondary
market on an exchange include the following: (i) there may be insufficient
trading interest in certain options; (ii) restrictions may be imposed by an
exchange on opening transactions or closing transactions or both; (iii) trading
halts, suspensions or other restrictions may be imposed with respect to
particular classes or series of options or underlying securities; (iv) unusual
or unforeseen circumstances may interrupt normal operations on an exchange; (v)
the facilities of an exchange or the Clearing Corporation may not at all times
be adequate to handle current
 
                                       3
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trading volume; or (vi) one or more exchanges could, for economic or other
reasons, decide or be compelled at some future date to discontinue the trading
of options (or a particular class or series of options), in which event the
secondary market on that exchange (or in that class or series of options) would
cease to exist, although outstanding options on that exchange that had been
issued by the Clearing Corporation as a result of trades on that exchange would
continue to be exercisable in accordance with their terms.
 
     The Fund may also enter into over-the-counter ('OTC') options, which are
two-party contracts with prices and terms negotiated between the buyer and
seller. The staff of the Commission has taken the position that OTC options and
the assets used as cover for written OTC options are illiquid securities.
However, if the OTC option is sold by the Fund to a primary U.S. Government
securities dealer recognized by the Federal Reserve Bank of New York and the
Fund has the unconditional contractual right to repurchase such OTC option from
the dealer at a predetermined price, then the Fund will treat as illiquid such
amount of the underlying securities as is equal to the repurchase price less the
amount by which the option is 'in-the-money' (i.e., current market value of the
underlying security minus the option's strike price). The repurchase price with
the primary dealers is typically a formula price which is generally based on a
multiple of the premium received for the option, plus the amount by which the
option is 'in-the-money.' This policy is not a fundamental policy of the Fund
and may be amended by the Directors of the Fund without the approval of the

Fund's shareholders. However, the Fund will not change or modify this policy
prior to the change or modification by the Commission staff of its position.
 
     Financial Futures and Options Thereon.  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 typically
between 2% and 15% of the value of the futures contract, 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 contracts fluctuates making the long and short positions in the futures
contracts more or less valuable, a process known as 'mark to the market.' At any
time prior to the settlement date of the futures contract, the position may be
closed out by taking an opposite position which will operate to terminate the
position in the futures contract. A final determination of variation margin is
then made, additional cash is required to be paid to or released by the broker
and the purchaser realizes a loss or gain. In addition, a nominal commission is
paid on each completed sale transaction.
 
     The Fund has received an order from the Commission exempting it from the
provisions of Section 17(f) of the Investment Company Act of 1940, as amended
(the 'Investment Company 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 Fund and commodities brokers with respect to initial
and variation margin.
 
     Foreign Currency Hedging.  Generally, the foreign exchange transactions of
the Fund will be conducted on a spot (i.e., cash basis), at the spot rate for
purchasing or selling currency prevailing in the foreign exchange market. The
Fund has authority to deal in forward foreign exchange among currencies of the
different countries. This is accomplished through contractual agreements to
purchase or sell a specified currency at a specified future date and price set
at the time of the contract. The Fund's dealings in forward foreign exchange
will be limited to hedging involving either specific transactions or portfolio
positions. Transaction hedging is the purchase or sale of forward foreign
currency with respect to specific receivables or payables of the Fund accruing
in connection with the purchase and sale of its portfolio securities, the sale
and redemption of shares of the Fund or the payment of dividends and
distributions by the Fund. Position hedging is the sale of forward foreign
currency with respect to portfolio security positions denominated or quoted in
such foreign currency. The Fund will not speculate in
 
                                       4
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forward foreign exchange. The Fund may not position hedge with respect to the
currency of a particular country to an extent greater than the aggregate market
value (at the time of making such sale) of the securities held in its portfolio
denominated or quoted in that particular foreign currency. If the Fund enters
into a position hedging transaction, its custodian bank will place cash or
liquid securities in a separate account of the Fund in an amount equal to the
value of the Fund's total assets committed to the consummation of such forward

contract. If the value of the securities placed in the separate account
declines, additional cash or securities will be placed in the account so that
the value of the account will equal the amount of the Fund's commitment with
respect to such contracts. The Fund will enter into such transactions only to
the extent, if any, deemed appropriate by the Investment Adviser. The Fund will
not enter into a forward contract with a term of more than one year.
 
     The Fund is also authorized to purchase or sell listed or OTC foreign
currency options, foreign currency futures and related options on foreign
currency futures as a short or long hedge against possible variations in foreign
exchange rates. Such transactions may be effected with respect to hedges on
non-U.S. dollar denominated securities owned by the Fund, sold by the Fund but
not yet delivered, or committed or anticipated to be purchased by the Fund. As
an illustration, the Fund may use such techniques to hedge the stated value in
U.S. dollars of an investment in a Canadian dollar denominated security. In such
circumstances, for example, the Fund may purchase a foreign currency put option
enabling it to sell a specified amount of Canadian dollars for U.S. dollars at a
specified price by a future date. To the extent the hedge is successful, a loss
in the value of the Canadian dollar relative to the U.S. dollar will tend to be
offset by an increase in the value of the put option. To offset in whole or part
the cost of acquiring such a put option, the Fund may also sell a call option
which, if exercised, requires it to sell a specified amount of Canadian dollars
for U.S. dollars at a specified price by a future date (a technique called a
'straddle'). By selling such call option in this illustration, the Fund gives up
the opportunity to profit without limit from increases in the relative value of
the Canadian dollar to the U.S. dollar. The Investment Adviser believes that
'straddles' of the type which may be utilized by the Fund constitute hedging
transactions and are consistent with the policies described above.
 
     Hedging against a decline in the value of a currency does not eliminate
fluctuations in the prices of portfolio securities or prevent losses if the
prices of such securities decline. Such transactions also preclude the
opportunity for gain if the value of the hedged currency should rise. Moreover,
it may not be possible for the Fund to hedge against a devaluation that is so
generally anticipated that the Fund is not able to contract to sell the currency
at a price above the devaluation level it anticipates. The cost to the Fund of
engaging in foreign currency transactions varies with such factors as the
currencies involved, the length of the contract period and the market conditions
then prevailing. Since transactions in foreign currency exchange usually are
conducted on a principal basis, no fees or commissions are involved.
 
     Risk Factors in Options and Futures Transactions.  In the case of a futures
position or an option on a futures position written by the Fund, 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 have to sell portfolio securities to meet daily
variation margin requirements at a time when it may be disadvantageous to do so.
In addition, the Fund may be required to take or make delivery of the securities
underlying futures contracts it holds. The inability to close options and
futures positions also could have an adverse impact on the Fund's ability to
hedge effectively its portfolio.
 
     The exchanges on which the Fund intends to conduct options transactions
have generally established limitations governing the maximum number of call or

put options on the same underlying security (whether or not covered) which may
be written by a single investor, whether acting alone or in concert with others
(regardless of whether such options are written on the same or different
exchanges or are held or written on one or more accounts or through one or more
brokers). 'Trading limits' are imposed on the maximum number of contracts
 
                                       5
<PAGE>
which any person may trade on a particular trading day. An exchange may order
the liquidation of positions found to be in violation of these limits, and it
may impose other sanctions or restrictions. The Investment Adviser does not
believe that these trading and position limits will have any adverse impact on
the portfolio strategies for hedging the Fund's portfolio.
 
INVESTMENT RESTRICTIONS
 
     In addition to the investment restrictions set forth in the Prospectus, 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 Investment Company Act 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).
 
     Under the fundamental investment restrictions, the Fund may not:
 
          1. Invest more than 25% of its total assets (taken at market value at
     the time of each investment) in securities of issuers in a single industry
     (other than debt securities issued or guaranteed by a Western Hemisphere
     governmental entity), except that, under normal circumstances, the Fund
     will invest more than 25% of its total assets in the securities of issuers
     in the financial services 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 Investment Company Act) in amounts up to 33 1/3% of its
     total assets (including the amount borrowed), (ii) the Fund may borrow up
     to an additional 5% of its total assets for temporary purposes, (iii) the
     Fund may obtain such short-term credit as may be necessary for the
     clearance of purchases and sales of portfolio securities and (iv) the Fund
     may purchase securities on margin to the extent permitted by applicable
     law. The Fund may not pledge its assets other than to secure such
     borrowings or, to the extent permitted by the Fund's investment policies as
     set forth in its Prospectus and Statement of Additional Information, as
     they may be amended from time to time, in connection with hedging
     transactions, short sales, when-issued and forward commitment transactions
     and similar investment strategies.
 
          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.
 
                                       6
<PAGE>
          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.
 
     In addition, the Fund has adopted non-fundamental restrictions which may be
changed by the Board of Directors without the approval of shareholders. Under
the non-fundamental investment restrictions, the Fund may not:
 
   
          a. Purchase securities of other investment companies, except to the
     extent such purchases are permitted by applicable law. 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
     Investment Company Act, at any time its 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.

          c. Invest in securities which cannot be readily resold because of
     legal or contractual restrictions or which cannot otherwise be marketed,
     redeemed or put to the issuer or a third party, if at the time of
     acquisition more than 15% of its total assets would be invested in such
     securities. This restriction shall not apply to securities which mature
     within seven days or securities which the Board of Directors of the Fund
     has otherwise determined to be liquid pursuant to applicable law.
     Securities purchased in accordance with Rule 144A under the Securities Act
     and determined to be liquid by the Fund's Board of Directors are not

     subject to the limitations set forth in this investment restriction.
 
          d. Notwithstanding fundamental investment restriction (6) above,
     borrow money except that (i) the Fund may borrow from banks (as defined in
     the Investment Company Act) in amounts up to 33 1/3% of its total assets
     (including the amount borrowed), and (ii) the Fund may borrow up to an
     additional 5% of its total assets for temporary purposes.
 
     The staff of the Commission has taken the position that purchased OTC
options and the assets used as cover for written OTC options are illiquid
securities. Therefore, the Fund has adopted an investment policy pursuant to
which it will not purchase or sell OTC options if, as a result of any such
transaction, the sum of the market value of OTC options currently outstanding
which are held by the Fund, the market value of the underlying securities
covered by OTC call options currently outstanding which were sold by the Fund
and margin deposits on the Fund's existing OTC options on futures contracts
exceeds 15% of the total assets of the Fund, taken at market value, together
with all other assets of the Fund which are illiquid or are not otherwise
readily marketable. However, if the OTC option is sold by the Fund to a primary
U.S. Government securities dealer recognized by the Federal Reserve Bank of New
York and if the Fund has the unconditional contractual right to repurchase such
OTC option from the dealer at a predetermined price, then the Fund will treat as
illiquid such amount of the underlying securities as is equal to the repurchase
price less the amount by which the option is 'in-the-money' (i.e., current
market value of the underlying securities minus the option's strike price). The
repurchase price with the primary dealers is typically a formula price which is
generally based on a multiple of the premium received for the option, plus the
amount by which the option is 'in-the-money.' This policy as to OTC options is
not a fundamental policy of the Fund and may be amended by the Board of
Directors of the Fund without the approval of the Fund's shareholders. However,
the Fund will not change or modify this policy prior to the change or
modification by the Commission staff of its position.
 
                                       7

<PAGE>
     The staff of the Commission has also taken the following position with
respect to investments in certain forms of stripped mortgage-backed securities,
namely the principal-only or PO class and the interest-only or IO class of such
derivative securities. Such position has been adopted as an investment policy of
the Fund, subject to amendment as discussed further below. The staff of the
Commission has taken the position that the determination of whether a particular
U.S. Government issued IO or PO that is backed by fixed-rate mortgages is liquid
may be made by the Investment Adviser under guidelines and standards established
by the Fund's Board of Directors. Such a security may be deemed liquid if it can
be disposed of promptly in the ordinary course of business at a value reasonably
close to that used in the calculation of the Fund's net asset value per share.
The Commission's staff also has taken the position that all other IOs and POs
are illiquid securities which are subject to the restriction limiting the Fund's
investments in illiquid securities to 15% of its total assets. This policy as to
IOs and POs is not a fundamental policy of the Fund and may be amended by the
Board of Directors of the Fund without the approval of the Fund's shareholders.
However, the Fund will not change or modify this policy prior to the change or
modification by the Commission's staff of its position.

 
   
     Because of the affiliation of Merrill Lynch, Pierce, Fenner & Smith
Incorporated ('Merrill Lynch') with the Fund, the Fund is prohibited from
engaging in certain transactions involving such firm or its affiliates except
for brokerage transactions permitted under the Investment Company Act involving
only usual and customary commissions or transactions pursuant to an exemptive
order under the Investment Company Act. See 'Portfolio Transactions and
Brokerage.' Without such an exemptive order, the Fund would be prohibited from
engaging in portfolio transactions with Merrill Lynch or its affiliates acting
as principal.
    
 
                             MANAGEMENT OF THE FUND
 
DIRECTORS AND OFFICERS
 
   
     Information about the Directors, executive officers and 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
the portfolio manager and of each executive officer and Director is P.O. Box
9011, Princeton, New Jersey 08543-9011.
    
 
   
     ARTHUR ZEIKEL (65)--President and Director (1)(2)--Chairman of the
Investment Adviser (which term as used herein includes its corporate
predecessors) since 1997; Chairman of Fund Asset Management, L.P. ('FAM,' which
term as used herein includes its corporate predecessors) since 1997; President
of the Investment Adviser and FAM 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; and Executive Vice
President of Merrill Lynch & Co., Inc. ('ML & Co.') since 1990.
    
 
   
     DONALD CECIL (71)--Director (2)--1114 Avenue of the Americas, New York, New
York 10036. Special Limited Partner of Cumberland Partners (an investment
partnership) since 1982; Member of Institute of Chartered Financial Analysts;
Member and Chairman of Westchester County (N.Y.) Board of Transportation.
    
 
   
     EDWARD H. MEYER (71)--Director (2)--777 Third Avenue, New York, New York
10017. President of Grey Advertising Inc. since 1968, Chief Executive Officer
since 1970 and Chairman of the Board of Directors since 1972; Director of The
May Department Stores Company, Bowne & Co., Inc. (financial printers), Ethan
Allen Interiors Inc. and Harman International Industries, Inc.
    
 
   
     CHARLES C. REILLY (66)--Director (2)--9 Hampton Harbor Road, Hampton Bays,
New York 11946. Self-employed financial consultant since 1990; President and

Chief Investment Officer of Verus Capital, Inc. from
    
 
                                       8

<PAGE>

1979 to 1990; former Senior Vice President of Arnhold and S. Bleichroeder, Inc.
from 1973 to 1990; Adjunct Professor, Columbia University Graduate School of
Business from 1990 to 1991; Adjunct Professor, Wharton School, University of
Pennsylvania from 1989 to 1990; Partner, Small Cities Cable Television since
1986.
 
   
     RICHARD R. WEST (60)--Director (2)--Box 604, Genoa, Nevada 89411. Professor
of Finance since 1984, Dean from 1984 to 1993 and currently Dean Emeritus of New
York University Leonard N. Stern School of Business Administration; Director of
Bowne & Co., Inc. (financial printers), Vornado, Inc. (real estate holding
company) and Alexander's, Inc. (real estate company).
    
 
   
     EDWARD D. ZINBARG (63)--Director (2)--5 Hardwell Road, Short Hills, New
Jersey 07078-2117. Executive Vice President of The Prudential Insurance Company
of America from 1988 to 1994; former Director of Prudential Reinsurance Company
and former Trustee of the Prudential Foundation.
    
 
   
     TERRY K. GLENN (57)--Executive Vice President (1)(2)--Executive Vice
President of the Investment Adviser and FAM since 1983; Executive Vice President
and Director of Princeton Services since 1993; President of Merrill Lynch Funds
Distributor, Inc. ('MLFD' or the 'Distributor') since 1986 and Director thereof
since 1991; President of Princeton Administrators, L.P. since 1988.
    
 
   
     JOSEPH T. MONAGLE, JR. (49)--Senior Vice President (1)(2)--Senior Vice
President of the Investment Adviser and FAM and Department Head of the Global
Fixed Income Division since 1990; Vice President of the Investment Adviser from
1978 to 1990; Senior Vice President of Princeton Services since 1993.
    
 
   
     PAOLO VALLE (40)--Senior Vice President (1)(2)--First Vice President of the
Investment Adviser since 1997; Senior Portfolio Manager of the Investment
Adviser since 1992; Vice President of the Investment Adviser from 1992 to 1997.
    
 
   
     ALEX V. BOUZAKIS (41)--Vice President (1)(2)--Vice President and Senior
Portfolio Manager of the Investment Adviser and associated therewith since 1982.
    
 

   
     DONALD C. BURKE (37)--Vice President (1)(2)--First Vice President of the
Investment Adviser since 1997; Vice President of the Investment Adviser from
1990 to 1997; Director of Taxation of the Investment Adviser since 1990.
    
 
   
     GERALD M. RICHARD (48)--Treasurer (1)(2)--Senior Vice President and
Treasurer of the Investment Adviser and FAM since 1984; Senior Vice President
and Treasurer of Princeton Services since 1993; Vice President of the
Distributor since 1981 and Treasurer thereof since 1984.
    
 
   
     BARBARA G. FRASER (54)--Secretary (1)(2)--First Vice President of the
Investment Adviser since 1996; Vice President of the Investment Adviser from
1994 to 1996; attorney in private practice from 1991 to 1994.
    
 
- ------------------
(1) Interested person, as defined in the Investment Company Act, of the Fund.
   
(2) Such Director or officer is a director, trustee or officer of one or more
    additional investment companies for which the Investment Adviser or its
    affiliate, FAM, acts as investment adviser or manager.
    
 
   
     At February 28, 1998, the officers and Directors of the Fund as a group (13
persons) owned an aggregate of less than 1% of the outstanding shares of the
Fund. At such date, Mr. Zeikel, a Director and officer of the Fund, and the
other officers of the Fund, owned an aggregate of less than 1% of the
outstanding shares of common stock of ML & Co.
    
 
                                       9
<PAGE>
COMPENSATION OF DIRECTORS
 
   
     The Fund pays each Director not affiliated with the Investment Adviser
(each a 'non-affiliated Director') a fee of $3,500 per year plus $500 per Board
meeting attended, together with such Director's actual out-of-pocket expenses
relating to attendance at meetings. The Fund also compensates members of its
Audit and Nominating Committee (the 'Committee'), which consists of all of the
non-affiliated Directors, at a rate of $500 per Committee meeting attended. The
Chairman of the Committee receives an additional fee of $250 per Committee
meeting attended. For the fiscal year ended December 31, 1997, fees and expenses
paid to non-affiliated Directors aggregated $37,384.
    
 
   
     The following table sets forth for the fiscal year ended December 31, 1997,
compensation paid by the Fund to the non-affiliated Directors and for the

calendar year ended December 31, 1997, the aggregate compensation paid by all
registered investment companies advised by the Investment Adviser and its
affiliate, FAM (the 'MLAM/FAM Advised Funds') to the non-affiliated Directors.
    
 
   
<TABLE>
<CAPTION>
                                                                                                     AGGREGATE
                                                                                                    COMPENSATION
                                                                                                   FROM FUND AND
                                                                                                       OTHER
                                                                         PENSION OR RETIREMENT    MLAM/FAM ADVISED
                                                         COMPENSATION     BENEFITS ACCRUED AS      FUNDS PAID TO
NAME OF DIRECTOR                                          FROM FUND      PART OF FUND EXPENSES      DIRECTORS(1)
- ------------------------------------------------------   ------------    ---------------------    ----------------
<S>                                                      <C>             <C>                      <C>
Donald Cecil..........................................      $8,500                None                $280,250
Edward H. Meyer.......................................      $6,000                None                $222,100
Charles C. Reilly.....................................      $7,500                None                $313,000
Richard R. West.......................................      $7,500                None                $290,000
Edward D. Zinbarg.....................................      $7,500                None                $133,500
</TABLE>
    
 
- ------------------
   
(1) The Directors serve on the boards of MLAM/FAM Advised Funds as follows: 
    Mr. Cecil (33 registered investment companies consisting of 33 portfolios);
    Mr. Meyer (33 registered investment companies consisting of 33 portfolios);
    Mr. Reilly (46 registered investment companies consisting of 59 portfolios);
    Mr. West (47 registered investment companies consisting of 69 portfolios);
    and Mr. Zinbarg (18 registered investment companies consisting of 18
    portfolios).
    
 
ADVISORY AND MANAGEMENT ARRANGEMENTS
 
     Reference is made to 'Management of the Fund--Advisory and Management
Arrangements' in the Prospectus for certain information concerning the
management and advisory arrangements of the Fund.
 
     Securities held by the Fund may also be held by, or be appropriate
investments for, other funds or investment advisory clients for which the
Investment Adviser or its affiliates act as an adviser. 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 by the Investment Adviser for the Fund or other funds for
which it acts as investment adviser or for its other 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 Investment Adviser or its affiliates during the same period
may increase the demand for securities being purchased or the supply of

securities being sold, there may be an adverse effect on price.
 
   
     The Fund has entered into an investment advisory agreement (the 'Investment
Advisory Agreement') with the Investment Adviser. As described in the
Prospectus, the Investment Adviser receives for its services to the Fund monthly
compensation at the rate of 0.60% of the average daily net assets of the Fund
plus the principal amount of borrowings incurred by the Fund for leverage
purposes. For the fiscal years ended December 31, 1995,
    
 
                                       10
<PAGE>
   
1996 and 1997, the investment advisory fees paid by the Fund to the Investment
Adviser aggregated $680,512, $1,139,364 and $1,056,656, respectively.
    
 
   
     As described in the Prospectus effective April 1997, the Investment Adviser
has also entered into a sub-advisory agreement with Merrill Lynch Asset
Management U.K. Limited ('MLAM U.K.') pursuant to which MLAM U.K. provides
investment advisory services to the Investment Adviser with respect to the Fund.
For the fiscal year ended December 31, 1997, no fees were paid by the Investment
Adviser to MLAM U.K. pursuant to such arrangement.
    
 
   
     The Investment Advisory Agreement obligates the Investment Adviser to
provide investment advisory services and to pay all compensation of and furnish
office space for officers and employees of the Fund connected with investment
and economic research, trading and investment management of the Fund, as well as
the fees of all Directors of the Fund who are affiliated persons of the
Investment Adviser. The Fund pays all other expenses incurred in the operation
of the Fund, including, among other things, taxes; expenses for legal and
auditing services; costs of printing proxies, stock certificates, shareholder
reports and prospectuses and statements of additional information (except to the
extent paid by the Distributor); charges of the custodian, any sub-custodian and
transfer agent; expenses of redemption of shares; Commission fees; expenses of
registering the shares under Federal, state or foreign laws; fees and expenses
of unaffiliated Directors; accounting and pricing costs (including the daily
calculation of net asset value); insurance; interest; brokerage costs;
litigation and other extraordinary or non-recurring expenses; and other expenses
properly payable by the Fund. Accounting services are provided to the Fund by
the Investment Adviser, and the Fund reimburses the Investment Adviser for its
costs in connection with such services on a semi-annual basis. For the fiscal
years ended December 31, 1995, 1996 and 1997, the amount of such reimbursement
was $122,063, $57,697 and $77,610, respectively. The Distributor will pay
certain promotional expenses of the Fund incurred in connection with the
offering of its shares. Certain expenses in connection with the distribution of
Class B, Class C and Class D shares will be financed by the Fund pursuant to
distribution plans in compliance with Rule 12b-1 under the Investment Company
Act. See 'Purchase of Shares--Distribution Plans.'
    

 
   
     The Investment Adviser is a limited partnership, the partners of which are
ML & Co. and Princeton Services. ML & Co. and Princeton Services are
'controlling persons' of the Investment Adviser as defined under the Investment
Company Act because of their ownership of its voting securities or their power
to exercise a controlling influence over its management or policies. Similarly,
the following entities may be considered 'controlling persons' of MLAM U.K.:
Merrill Lynch Europe Limited (MLAM U.K.'s parent), a subsidiary of ML
International Holdings, a subsidiary of Merrill Lynch International, Inc., a
subsidiary of ML & Co.
    
 
     Duration and Termination. Unless earlier terminated as described herein,
the Investment Advisory Agreement will continue in effect for a period of two
years from the date of its execution and will remain in effect from year to year
thereafter if approved annually (a) by the Board of Directors of the Fund or by
a majority of the outstanding shares of the Fund and (b) by a majority of the
Directors who are not parties to such contract or interested persons (as defined
in the Investment Company Act) of any such party. Such contract is not
assignable and may be terminated without penalty on 60 days' written notice at
the option of either party thereto or by the vote of a majority 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(Service Mark) 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
                                       11

<PAGE>
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(Service Mark) System is used by more than
50 registered investment companies advised by the Investment Adviser or its
affiliate, FAM. Funds advised by the Investment Adviser or FAM that utilize the
Merrill Lynch Select Pricing(Service Mark) System are referred to herein as

'MLAM-advised mutual funds.'
 
     The Fund has entered into 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 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 Investment Advisory Agreement
described above.
 
INITIAL SALES CHARGE ALTERNATIVES--CLASS A AND CLASS D SHARES
 
   
     For the fiscal years ended December 31, 1995, 1996 and 1997, the Fund sold
its Class A and Class D shares through the Distributor and Merrill Lynch, as a
dealer. The gross sales charges for the sale of Class A shares for the fiscal
year ended December 31, 1995, were $395, of which the Distributor received $20
and Merrill Lynch received $375. The gross sales charges for the sale of Class A
shares for the fiscal year ended December 31, 1996, were $1,372, of which the
Distributor received $135 and Merrill Lynch received $1,237. The gross sales
charges for the sale of Class A shares for the fiscal year ended December 31,
1997, were $993, of which the Distributor received $72 and Merrill Lynch
received $921. The gross sales charges for the sale of Class D shares for the
fiscal year ended December 31, 1995, were $15,631, of which the Distributor
received $1,252 and Merrill Lynch received $14,379. The gross sales charges for
the sale of Class D shares for the fiscal year ended December 31, 1996, were
$45,778, of which the Distributor received $3,912 and Merrill Lynch received
$41,866. The gross sales charges for the sale of Class D shares for the fiscal
year ended December 31, 1997, were $31,118, of which the Distributor received
$2,989 and Merrill Lynch received $28,129. During such periods, the Distributor
received no contingent deferred sales charges ('CDSCs') with respect to
redemptions within one year after purchase of Class A or 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, which in the aggregate are at least equal to the
prescribed amounts, by an individual, his or her spouse and their children under
the age of 21 years purchasing shares for his, her 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 (including a pension, profit-sharing or
other employee benefit trust created pursuant to a plan qualified under Section
401 of the Internal Revenue Code of 1986, as amended (the 'Code')) although more
than one
 
                                       12
<PAGE>

   
beneficiary is involved. The term 'purchase' also includes purchases by any
'company,' as that term is defined in the Investment Company Act, but does not
include purchases by any such company that has not been in existence for at
least six months or that has no purpose other than the purchase of shares of the
Fund or shares of other registered investment companies at a discount. The term
'purchase' shall not include purchases by any group of individuals whose sole
organizational nexus is that the participants therein are credit cardholders of
a company, policyholders of an insurance company, customers of either a bank or
broker-dealer or clients of an investment adviser. The term 'purchase' also
includes purchases by employee benefit plans not qualified under Section 401 of
the Code, including purchases by employees or by employers on behalf of
employees, by means of a payroll deduction plan or otherwise, of shares of the
Fund. Purchases by such a company or non-qualified employee benefit plan will
qualify for the quantity discounts discussed above only if the Fund and the
Distributor are able to realize economies of scale in sales effort and
sales-related expense by means of the company, employer or plan making the
Fund's Prospectus available to individual investors or employees and forwarding
investments by such persons to the Fund and by any such employer or plan bearing
the expense of any payroll deduction plan.
    
 
      Closed-End Fund Investment Option. Class A shares of the Fund and other
MLAM-advised mutual funds ('Eligible Class A Shares') are offered at net asset
value to shareholders of certain closed-end funds advised by MLAM or its
affiliate, FAM, 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
MLAM-advised mutual funds ('Eligible Class D Shares'), if the following
conditions are met. First, the sale of the 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.
 

 
                                       13
<PAGE>
REDUCED INITIAL SALES CHARGES
 
     Right of Accumulation. The reduced sales charges are applicable through a
right of accumulation under which eligible investors are permitted to purchase
shares of the Fund subject to an initial sales charge at the offering price
applicable to the total of (a) the public offering price of the shares then
being purchased plus (b) an amount equal to the then current net asset value or
cost, whichever is higher, of the purchaser's combined holdings of all classes
of shares of the Fund and of other MLAM-advised mutual funds. For any such right
of accumulation to be made available, the Distributor must be provided at the
time of purchase, by the purchaser or the purchaser's securities dealer, with
sufficient information to permit confirmation of qualification. Acceptance of
the purchase order is subject to such confirmation. The right of accumulation
may be amended or terminated at any time. Shares held in the name of a nominee
or custodian under pension, profit-sharing, or other employee benefit plans may
not be combined with other shares to qualify for the right of accumulation.
 
     Letter of Intention. Reduced sales charges are applicable to purchases
aggregating $25,000 or more of Class A or Class D shares of the Fund or any
other MLAM-advised mutual funds made within a 13-month period starting with the
first purchase pursuant to a Letter of Intention in the form provided in the
Prospectus. The Letter of Intention is available only to investors whose
accounts are maintained at the Fund's transfer agent. The Letter of Intention is
not available to employee benefit plans for which Merrill Lynch provides
plan-participant recordkeeping services. The Letter of Intention is not a
binding obligation to purchase any amount of Class A or Class D shares but its
execution will result in the purchaser paying a lower sales charge at the
appropriate quantity purchase level. A purchase not originally made pursuant to
a Letter of Intention may be included under a subsequent Letter of Intention
executed within 90 days of such purchase if the Distributor is informed in
writing of this intent within such 90-day period. The value of Class A and Class
D shares of the Fund and of other MLAM-advised mutual funds presently held, at
cost or maximum offering price (whichever is higher), on the date of the first
purchase under the Letter of Intention, may be included as a credit toward
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 purchased 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 five percent of the intended amount will be
held in escrow during the 13-month period (while remaining registered in the
name of the purchaser) for this purpose. The first purchase under the Letter of
Intention must be at least five percent of the dollar amount of such Letter. If
a purchase during the term of such Letter would otherwise be subject to a
further reduced sales charge based on the right of accumulation, the purchaser
will be entitled on that purchase and subsequent purchases to the reduced
percentage sales charge which would be applicable to a single purchase equal to
the total dollar value of the Class A 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 a MLAM-advised
money market fund into the Fund that creates a sales charge will count toward
completing a new or existing Letter of Intention from the Fund.
 
   
     Purchase Privilege of Certain Persons. Directors of the Fund, 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, FAM 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.
    
 
                                       14
<PAGE>
   
     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 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 the other mutual fund and such 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 notice of termination.
 
     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 such shares of
the other mutual fund and 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.
    
     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.
    
   
      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 for such accounts is $500, except that the initial minimum for shares
purchased for such accounts pursuant to the Automatic Investment Program is $50.
     
   
     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 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 which is
disproportionately higher at the time of acquisition than the realized or
unrealized appreciation of the Fund. The issuance of Class D shares for
consideration other than cash is limited to bona fide reorganizations, statutory
mergers or other acquisitions of portfolio securities that (i) meet the
investment objective 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).
    
 
                                       15
<PAGE>
     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.
 
EMPLOYER-SPONSORED RETIREMENT OR SAVINGS PLANS AND CERTAIN OTHER ARRANGEMENTS
 
     Certain employer-sponsored retirement or savings plans and certain other
arrangements may purchase Class A or Class D shares at net asset value, based on
the number of employees or number of employees eligible to participate in the
plan, the aggregate amount invested by the plan in specified investments and/or
the services provided by Merrill Lynch to the plan. Certain other plans may
purchase Class B shares with a waiver of the CDSC upon redemption, based on
similar criteria. Such Class B shares will convert into Class D shares
approximately ten years after the plan purchases the first share of any
MLAM-advised mutual fund. Minimum purchase requirements may be waived or varied
for such plans. Additional information regarding purchases by employer-sponsored
retirement or savings plans and certain other arrangements is available
toll-free from Merrill Lynch Business Financial Services at (800) 237-7777.

    
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
Investment Company Act (each a 'Distribution Plan') with respect to the account
maintenance and/or distribution fees paid by the Fund to the Distributor with
respect to such classes.
 
     Payments of the account maintenance fees and/or distribution fees are
subject to the provisions of Rule 12b-1 under the Investment Company Act. Among
other things, each Distribution Plan provides that the Distributor shall provide
and the Directors shall review quarterly reports of the disbursement of the
account maintenance fees and/or distribution fees paid to the Distributor. In
their consideration of each Distribution Plan, the Directors 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 Directors who are not
'interested persons' of the Fund, as defined in the Investment Company Act (the
'Independent Directors'), shall be committed to the discretion of the
Independent Directors then in office. In approving each Distribution Plan in
accordance with Rule 12b-1, the Independent Directors 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 Directors 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 the Directors, including a majority of the Independent
Directors 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 Fund 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
 
                                       16
<PAGE>
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 payment
in excess of the amount payable under the NASD formula will not be made.
 
   
     The following table sets forth comparative information as of December 31,
1997, with respect to Class B and Class C shares, indicating the maximum
allowable payments that can be made under the NASD maximum sales charge rule
and, with respect to Class B shares, the Distributor's voluntary maximum for the
periods indicated.
    
 
   
<TABLE>
<CAPTION>
                                                          DATA CALCULATED AS OF DECEMBER 31, 1997
                              -----------------------------------------------------------------------------------------------
                                                                                                                    ANNUAL
                                                                                                                 DISTRIBUTION
                                                        ALLOWABLE                    AMOUNTS                        FEE AT
                              ELIGIBLE    AGGREGATE     INTEREST      MAXIMUM    PREVIOUSLY PAID    AGGREGATE      CURRENT
                               GROSS        SALES       ON UNPAID     AMOUNT     TO DISTRIBUTOR      UNPAID       NET ASSET
                              SALES(1)     CHARGES     BALANCE (2)    PAYABLE          (3)           BALANCE      LEVEL (4)

                              --------    ---------    -----------    -------    ---------------    ---------    ------------
                                                                      (IN THOUSANDS)
<S>                           <C>         <C>          <C>            <C>        <C>                <C>          <C>
CLASS B SHARES, FOR THE
  PERIOD AUGUST 27, 1993
  (COMMENCEMENT OF
  OPERATIONS) TO DECEMBER
  31, 1997:
Under NASD Rule as
  Adopted..................   $177,625     $11,102       $ 3,113      $14,215        $ 3,978         $10,237         $394
Under Distributor's
  Voluntary Waiver.........   $177,625     $11,102       $   888      $11,990        $ 3,978         $ 8,012         $394
CLASS C SHARES, FOR THE
  PERIOD OCTOBER 21, 1994
  (COMMENCEMENT OF
  OPERATIONS) TO DECEMBER
  31, 1997:
Under NASD Rule as
  Adopted..................   $  9,862     $   616       $    81      $  697         $   104         $   593         $ 23
</TABLE>
    
 
- ------------------
(1) Purchase price of all eligible Class B or Class C shares sold during 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 1.0%, 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. See 'Purchase of
    Shares--Distribution Plans' in the Prospectus.
    
(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 or, with respect to Class B shares, the
    voluntary maximum.
 
                                       17

<PAGE>
                              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 periods 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 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.
 
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 instances,
including in connection with certain post-retirement withdrawals from an
Individual Retirement Account ('IRA') or other retirement plan or on redemptions
of Class B shares following the death or disability of a Class B shareholder.
Redemptions for which the waiver applies in the case of such withdrawals are:
(a) any partial or complete redemption in connection with a tax-free
distribution following retirement under a tax-deferred retirement plan or
attaining age 59 1/2 in the case of an IRA or other retirement plan, or part of
a series of equal periodic payments (not less frequently than annually) made for
the life (or life expectancy) or any redemption resulting from the tax-free
return of an excess contribution to an IRA; or (b) 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
December 31, 1995, 1996 and 1997, the Distributor received CDSCs of $265,027,
$369,566 and $320,570 respectively, with respect to redemptions of Class B
shares, all of which were paid to Merrill Lynch. Additional CDSCs payable to the
Distributor with respect to redemptions of Class B shares during the fiscal
years ended December 31, 1996 and 1997, 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 ended December 31, 1995, 1996
and 1997 the Distributor received CDSCs of $552, $4,459 and $7,621,
respectively, with respect to redemptions of Class C shares, all of which were
paid to Merrill Lynch.
    
 
                      PORTFOLIO TRANSACTIONS AND BROKERAGE

 
     Subject to policies established by the Board of Directors of the Fund, the
Investment Adviser is primarily responsible for the execution of the Fund's
portfolio transactions and the allocation of brokerage. In executing such
transactions, the Investment Adviser seeks to obtain the best net results for
the Fund, taking into account such factors as price (including the applicable
brokerage commission or dealer spread), size of order, difficulty of execution
and operational facilities of the firm involved and the firm's risk in
positioning a block of securities. While the Investment Adviser generally seeks
reasonably competitive commission rates, the Fund does not necessarily pay the
lowest commission or spread available. The Fund has no obligation to deal with
any broker or group of brokers in execution of transactions in portfolio
securities. Subject to obtaining the best price and
 
                                       18
<PAGE>
   
execution, brokers who provide supplemental investment research to the
Investment Adviser 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 Investment Adviser under the Investment Advisory Agreement,
and the expenses of the Investment Adviser will not necessarily be reduced as a
result of the receipt of such supplemental information. It is possible that
certain of the supplementary investment research so received will primarily
benefit one or more other investment companies or other accounts for which
investment discretion is exercised. Conversely, the Fund may be the primary
beneficiary of the research or services received as a result of portfolio
transactions effected for such other accounts or investment companies. In
addition, consistent with the Conduct Rules of the NASD and policies established
by the Directors of the Fund, the Investment Adviser 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. For the fiscal year ended December 31,
1995, the Fund did not pay any brokerage commissions. For the fiscal year ended
December 31, 1996, the Fund paid total brokerage commissions of $3,200, none of
which was paid to Merrill Lynch. For the fiscal year ended December 31, 1997,
the Fund paid total brokerage commissions of $10,309, none of which was paid to
Merrill Lynch.
    
 
     The Board of Directors has considered the possibility of seeking to
recapture for the benefit of the Fund brokerage commissions and other expenses
of possible portfolio transactions by conducting portfolio transactions through
affiliated entities. For example, brokerage commissions received by affiliated
brokers could be offset against the advisory fee paid by the Fund. After
considering all factors deemed relevant, the Board of Directors made a
determination not to seek such recapture. The Directors will reconsider this
matter from time to time.
 
                        DETERMINATION OF NET ASSET VALUE
 
   
     Reference is made to 'Additional Information--Determination of Net Asset
Value' in the Prospectus concerning the determination of net asset value. The
net asset value of the shares of the Fund is determined once daily Monday

through Friday as of 15 minutes after the close of business on the NYSE
(generally, 4:00 p.m., New York time), on each day 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 is computed by dividing 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.
Expenses, including the investment advisory fees and any account maintenance
and/or distribution fees, are accrued daily. The per share net asset value of
the Class B, Class C and Class D shares generally will be lower than the per
share net asset value of the Class A shares reflecting the daily expense
accruals of the account maintenance, distribution and higher transfer agency
fees applicable with respect to the Class B and Class C shares and the daily
expense accruals of the account maintenance fees applicable with respect to the
Class D shares; moreover, the per share net asset value of the Class B and Class
C shares generally will be lower than the per share net asset value of the Class
D shares reflecting the daily expense accruals of the distribution fees and
higher transfer agency fees applicable with respect to the Class B and Class C
shares of the Fund. The per share net asset value of the Class B shares
generally will be higher than the per share net asset value of the Class C
shares as a result of the higher distribution fees applicable with respect to
the Class C shares. 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 or distributions, which will differ
by approximately the amount of the expense accrual differentials between the
classes.
    
 
   
     Portfolio securities, including ADRs, EDRs or GDRs, that are traded on
stock exchanges are valued at the last sale price (regular way) on the exchange
on which such securities are traded, as of the close of business on
    
 
                                       19
<PAGE>
   
the day the securities are being valued or, lacking any sales, at the last
available bid price for long positions, and at the last available ask price for
short positions. In cases where securities are traded on more than one exchange,
the securities are valued on the exchange designated by or under the authority
of the Board of Directors as the primary market. Long positions in securities
traded in the OTC market are valued at the last available bid price in the OTC
market prior to the time of valuation. Short positions in securities traded in
the OTC market are valued at the last available ask price in the OTC market
prior to the time of valuation. Portfolio securities that are traded both in the
OTC market and on a stock exchange are valued according to the broadest and most
representative market. When the Fund writes an option, the amount of the premium
received is recorded on the books of the Fund as an asset and an equivalent
liability. The amount of the liability is subsequently valued to reflect the
current market value of the option written, based upon the last sale price in
the case of exchange-traded options or, in the case of options traded in the OTC
market, the last asked price. Options purchased by the Fund are valued at the

last sale price in the case of exchange-traded options or, in the case of
options traded in the OTC market, the last bid price. Securities and assets for
which market quotations are not readily available are valued at fair value as
determined in good faith by or under the direction of the Board of Directors of
the Fund.
    
 
     Generally, trading in foreign securities, as well as U.S. Government
securities and money market instruments, is substantially completed each day at
various times prior to the close of business on the NYSE. The values of such
securities used in computing the net asset value of the Fund's shares are
determined as of such times. Foreign currency exchange rates are also generally
determined prior to the close of business on the NYSE. Occasionally, events
affecting the values of such securities and such exchange rates may occur
between the times at which they are determined and the close of business on the
NYSE, which will not be reflected in the computation of the Fund's net asset
value. If events materially affecting the value of such securities occur during
such period, then these securities will be valued at their fair value as
determined in good faith by the Directors.
 
                              SHAREHOLDER SERVICES
 
     The Fund offers a number of shareholder services described below which are
designed to facilitate investment in its shares. 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 Fund, the Distributor or Merrill
Lynch. Certain of these services are available only to U.S. investors.
 
INVESTMENT ACCOUNT
 
     Each shareholder whose account is maintained at the transfer agent has an
Investment Account and will receive statements, at least quarterly, from the
transfer agent. These statements will serve as transaction confirmations for
automatic investment purchases and the reinvestment of ordinary income dividends
and long-term capital gain distributions. The 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 reinvestment of ordinary
income dividends and long-term capital gain distributions. A shareholder may
make additions to his Investment Account at any time by mailing a check directly
to the Fund's transfer agent.
 
     Share certificates are issued only for full shares and only upon the
specific request of the shareholder. 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 Fund's transfer agent.
 
                                       20
<PAGE>
     Shareholders considering transferring their Class A or Class D shares from
Merrill Lynch to another brokerage firm or financial institution should be aware
that, if the firm to which the Class A or Class D shares are to be transferred
will not take delivery of shares of the Fund, a shareholder either must redeem

the Class A or Class D shares (paying any applicable CDSC) so that the cash
proceeds can be transferred to the account at the new firm or such shareholder
must continue to maintain an Investment Account at the transfer agent for those
Class A or Class D shares. Shareholders interested in transferring their Class B
or Class C shares from Merrill Lynch and who do not wish to have an Investment
Account maintained for such shares at the transfer agent may request their new
brokerage firm to maintain such shares in an account registered in the name of
the brokerage firm for the benefit of the shareholder at the transfer agent. 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. Shareholders considering
transferring a tax-deferred retirement account such as an IRA from Merrill Lynch
to another brokerage firm or financial institution should be aware that, if the
firm to which the retirement account is to be transferred will not take delivery
of shares of the Fund, a shareholder must either redeem the 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 a retirement account
at Merrill Lynch for those shares.
 
AUTOMATIC INVESTMENT PLANS
 
     A U.S. 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 dealer. Voluntary accumulation also can be made through a service
known as the Fund's Automatic Investment Plan whereby the Fund is authorized
through pre-authorized checks or automated 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(Registered) or
CBA(Registered) account may arrange to have periodic investments made in the
Fund in amounts of $100 or more ($1 for retirement accounts) through the
CMA(Registered) or CBA(Registered) Automated Investment Program.
 
AUTOMATIC REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS DISTRIBUTIONS
 
     Unless specific instructions to the contrary are given as to the method of
payment of dividends and capital gains distributions, dividends and
distributions will be reinvested automatically in additional shares of the Fund.
Such reinvestment will be at the net asset value of the shares of the Fund, as
of the close of business on the monthly payment date of the dividend or
distribution. 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 on or about the payment date. Cash payments can also be
directly deposited to the shareholder's bank account. No CDSC will be imposed on
redemption of shares issued as a result of the automatic reinvestment of
dividends or capital gains distributions.
 
   
     Shareholders may, at any time, notify Merrill Lynch in writing if the
shareholder's account is maintained by Merrill Lynch or notify the Transfer

Agent in writing or by telephone (1-800-MER-FUND) if the shareholder's account
is maintained by the Transfer Agent that they no longer wish to have their
dividends and/or distributions reinvested in shares of the Fund or vice versa,
and commencing ten days after receipt by the Transfer Agent of such notice,
those instructions will be effected. 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.
    
 
                                       21
<PAGE>
   
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 upon
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
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,
4:00 p.m., New York 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 of 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 Account
are automatically reinvested in shares of the Fund. A shareholder's Systematic
Withdrawal Plan may be terminated at any time, without charge or penalty, by the
shareholder, the Fund, the Fund's Transfer Agent or the Distributor.
    
 
   
     Withdrawal payments should not be considered as dividends, yield or income.
Each withdrawal is a taxable event. If periodic withdrawals continuously exceed
reinvested dividends, the shareholder's original investment may be
correspondingly reduced. Purchases of additional shares concurrent with
withdrawals are ordinarily disadvantageous to the shareholder because of sales
charges and tax liabilities. The Fund 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.

    
 
   
     A shareholder whose shares are held within a CMA(Registered),
CBA(Registered) or Retirement Account may elect to have shares redeemed on a
monthly, bimonthly, quarterly, semiannual or annual basis through the
CMA(Registered) or CBA(Registered) 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 Monday
selected is not a business day, the redemption will be processed at net asset
value on the next business day. The Systematic Redemption Program is not
available if Fund shares are being purchased within the account pursuant to the
Automatic Investment Program. For more information on the CMA(Registered) or
CBA(Registered) Systematic Redemption Program, eligible shareholders should
contact their Merrill Lynch Financial Consultant.
    
 
   
     With respect to redemptions of Class B and 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--
    
 
                                       22
<PAGE>
   
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 automatically be applied thereafter to Class D
shares. 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 Financial
Consultant.
    
 
EXCHANGE PRIVILEGE
 
     U.S. shareholders of each class of shares of the Fund have an exchange

privilege with certain other MLAM-advised mutual funds. Under the Merrill Lynch
Select Pricing(Service Mark) System, Class A shareholders may exchange Class A
shares of the Fund for Class A shares of a second MLAM-advised mutual fund if
the shareholder holds any Class A shares of the second fund in his 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 MLAM-advised
mutual 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 MLAM-advised mutual fund at any time as
long as, at the time of the exchange, the shareholder holds Class A shares of
the second fund in the account in which the exchange is made or is otherwise
eligible to purchase Class A shares of the second fund. Class B, Class C and
Class D shares are exchangeable with shares of the same class of other
MLAM-advised mutual funds. For purposes of computing the CDSC that may be
payable upon a disposition of the shares acquired in the exchange, the holding
period for the previously owned shares of the Fund is 'tacked' to the holding
period for the newly acquired shares of the other fund as more fully described
below. Class A, Class B, Class C and Class D shares are also exchangeable for
shares of certain MLAM-advised money market funds as follows: Class A shares may
be exchanged for shares of Merrill Lynch Ready Assets Trust, Merrill Lynch
Retirement Reserves Money Fund (available only for exchanges within certain
retirement plans), Merrill Lynch U.S.A. Government Reserves and Merrill Lynch
U.S. Treasury Money Fund; Class B, Class C and Class D shares may be exchanged
for shares of Merrill Lynch Government Fund, Merrill Lynch Institutional Fund,
Merrill Lynch Institutional Tax-Exempt Fund and Merrill Lynch Treasury Fund.
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. It is contemplated that the exchange
privilege may be applicable to other new mutual funds whose shares may be
distributed by the Distributor.
 
     Exchanges of Class A or Class D shares outstanding ('outstanding Class A or
Class D shares') for Class A or Class D shares of another MLAM-advised mutual
fund ('new Class A or Class D shares') are transacted on the basis of relative
net asset value per Class A or Class D share, respectively, plus an amount equal
to the difference, if any, between the sales charge previously paid on the
outstanding Class A or Class D shares and the sales charge payable at the time
of the exchange on the new Class A or Class D shares. With respect to
outstanding Class A or Class D shares as to which previous exchanges have taken
place, the 'sales charge previously paid' shall include the aggregate of the
sales charge 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 and 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 of the Fund generally may be 
 
                                       23
<PAGE>

exchanged into the Class A or Class D shares of the other funds or into shares
of certain money market funds with a reduced or without a sales charge.
 
   
     In addition, each of the funds with Class B and 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 ('new Class B or
Class C shares'), of another MLAM-advised mutual fund on the basis of relative
net asset value per Class B or Class C share, without the payment of any CDSC
that might otherwise be due on redemption of the outstanding shares. Class B
shareholders of the Fund exercising the exchange privilege will continue to be
subject to the Fund's CDSC schedule if such schedule is higher than the CDSC
schedule relating to the new Class B shares acquired through use of the exchange
privilege. In addition, Class B shares of the Fund acquired through use of the
exchange privilege will be subject to the Fund's CDSC schedule if such schedule
is higher than the CDSC schedule relating to the Class B shares of the fund from
which the exchange has been made. For purposes of computing the sales charge
that may be payable on a disposition of the new Class B or Class C shares, the
holding period for the outstanding Class B or Class C shares is 'tacked' to the
holding period for the new Class B or Class C shares. For example, an investor
may exchange Class B shares of the Fund for those of Merrill Lynch Special Value
Fund, Inc. ('Special Value Fund') after having held the Fund 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 redemption, 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.
    
 
     Shareholders also may exchange shares of the Fund into shares of certain
money market funds advised by the Investment Adviser or its affiliates, but the
period of time that Class B or Class C shares are held in a money market fund
will not count towards satisfaction of the holding period requirement for
purposes of reducing the CDSC, or with respect to Class B shares, towards
satisfaction of the conversion period. However, shares of a money market fund
which were acquired as a result of an exchange for Class B or Class C shares of
the Fund may, in turn, be exchanged back into Class B or Class C shares,
respectively, of any fund offering such shares, in which event the holding
period for Class B or Class C shares of that fund will be aggregated with
previous holding periods for purposes of reducing the CDSC. Thus, for example,
an investor may exchange Class B shares of the Fund for shares of Merrill Lynch
Institutional Fund ('Institutional Fund') after having held the Fund Class B
shares for two and a half years and three years later decide to redeem the
shares of Institutional Fund for cash. At the time of this redemption, the 2%
CDSC that would have been due had the Class B shares of the Fund been redeemed
for cash rather than exchanged for shares of Institutional Fund will be payable.
If instead of such redemption the shareholder exchanged such shares for Class B
shares of a fund which the shareholder continued to hold for an additional two
and a half years, any subsequent redemption would not incur a CDSC.
 
     Before effecting an exchange, shareholders of the Fund should obtain a
currently effective prospectus of the fund into which the exchange is to be

made.
 
   
     To exercise the exchange privilege, shareholders should contact their
Merrill Lynch Financial Consultant who will advise the Fund of the exchange.
Shareholders of the Fund, and shareholders of the other MLAM-advised mutual
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 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.
    
 
                                       24

<PAGE>
                                     TAXES
 
     The Fund intends to continue to qualify 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 on the part of its net ordinary income and net realized capital gains
which it distributes to Class A, Class B, Class C and Class D shareholders
(together, the 'shareholders'). The Fund intends to distribute substantially all
of such income.
 
   
     Dividends paid by the Fund from its ordinary income or from an excess of
net short-term capital gains over net long-term capital losses (together
referred to hereafter as 'ordinary income dividends') are taxable to
shareholders as ordinary income. Distributions made from an excess of net
long-term capital gains over net short-term capital losses (including gains or
losses from certain transactions in futures and options) ('capital gain
dividends') are taxable to shareholders as long-term capital gains, regardless
of the length of time the shareholder has owned Fund shares. Any loss upon the
sale or exchange of Fund shares held for six months or less will be treated as
long-term capital loss to the extent of any capital gain dividends received by
the shareholder. Distributions in excess of the Fund's earnings and profits will
first reduce the adjusted tax basis of a holder's shares and, after such
adjusted tax basis is reduced to zero, will constitute capital gains to such
holder (assuming the shares are held as a capital asset). Recent legislation
creates additional categories of capital gains taxable at different rates.
Generally not later than 60 days after the close of its taxable year, the Fund
will provide its shareholders with a notice designating the amounts of any
ordinary income dividends or capital gain dividends, as well as the amount of
capital gain dividends in the different categories of capital gain referred to
above.
    
 
   
     Dividends are taxable to shareholders even though they are reinvested in
additional shares of the Fund. Distributions by the Fund, whether from ordinary
income or capital gains, generally will not be eligible for the dividends
received deduction allowed to corporations under the Code. If the Fund pays a
dividend in January that 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.
    
 
     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 advisers concerning the applicability of the U.S. withholding tax.
 
     Under certain provisions of the Code, some shareholders may be subject to a

31% withholding tax on ordinary income dividends, 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 Fund or who, to the Fund'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.
 
   
     Dividends and interest received by the Fund may give rise to withholding
and other taxes imposed by foreign countries. Tax conventions between certain
countries and the U.S. may reduce or eliminate such taxes. Shareholders may be
able to claim U.S. foreign tax credits with respect to such taxes, subject to
certain conditions and limitations contained in the Code. For example, certain
retirement accounts cannot claim foreign tax credits on investments in foreign
securities held in the Fund. In addition, recent legislation permits a foreign
tax credit to be claimed with respect to withholding tax on a dividend only if
the shareholder meets certain holding period requirements. If more than 50% in
value of the Fund's total assets at the close of its taxable year consists of
securities of foreign corporations, the Fund will be eligible, and intends, to
file an election with the 
    
 
                                       25
<PAGE>
   
Internal Revenue Service pursuant to which shareholders of the Fund will be
required to include their proportionate shares of such withholding taxes in
their U.S. income tax returns as gross income, treat such proportionate shares
as taxes paid by them and deduct such proportionate shares in computing their
taxable incomes or, alternatively, use them as foreign tax credits against their
U.S. income taxes. In the case of foreign taxes passed through by a RIC, the
holding period requirements referred to above must be met by both the
shareholder and the RIC. No deductions for foreign taxes, however, may be
claimed by noncorporate shareholders who do not itemize deductions. A
shareholder that is a nonresident alien individual or a foreign corporation may
be subject to U.S. withholding tax on the income resulting from the Fund's
election described in this paragraph but may not be able to claim a credit or
deduction against such U.S. tax for the foreign taxes treated as having been
paid by such shareholder. The Fund will report annually to its shareholders the
amount per share of such withholding taxes and other information needed to claim
the foreign tax credit. For this purpose, the Fund will allocate foreign taxes
and foreign source income 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 stock)
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.
    
 
     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 the
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.
 
     The Code requires the 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. While the Fund intends to distribute
its income and capital gains in the manner necessary to minimize imposition of
the 4% excise tax, there can be no assurance that sufficient amounts of the
Fund's taxable income and capital gains will be distributed to avoid entirely
the imposition of the tax. In such event, the Fund will be liable for the tax
only on the amount by which it does not meet the foregoing distribution
requirements.
 
   
     The Fund may invest in securities rated in the medium to lower rating
categories of nationally recognized statistical rating organizations, and in
unrated securities ('high yield/high risk securities'), as described in the
Prospectus. Some of these high yield/high risk securities may be purchased at a
discount and may therefore cause the Fund to accrue and distribute income before
amounts due under the obligations are paid. In addition, a portion of the
interest payments on such high yield/high risk securities may be treated as
dividends for Federal income tax purposes; in such case, if the issuer of such
high yield/high risk securities is a domestic corporation, dividend payments by
the Fund will be eligible for the dividends received deduction to the extent of
the deemed dividend portion of such interest payments.
    
 
                                       26
<PAGE>
     The Fund may also invest in asset-backed securities, mortgaged-backed
securities and derivative mortgage-backed securities. Because such obligations
could have original issue discount, accrue negative amortization or be
subordinated in the mortgage-backed securities structure, these investments
could cause the Fund to accrue and distribute income before or, possibly,
without a corresponding receipt of cash.
 
TAX TREATMENT OF OPTIONS, FUTURES AND FORWARD FOREIGN EXCHANGE TRANSACTIONS
 

     The Fund may write, purchase or sell options, futures and forward foreign
exchange contracts. Options and 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 futures contract will be treated
as sold for its fair market value on the last day of the taxable year. Unless
such contract is a forward foreign exchange contract, or is a non-equity option
or a regulated futures contract for a non-U.S. currency for which the Fund
elects to have gain or loss treated as ordinary gain or loss under Code Section
988 (as described below), gain or loss from Section 1256 contracts will be 60%
long-term and 40% short-term capital gain or loss. Application of these rules to
Section 1256 contracts held by the Fund may alter the timing and character of
distributions to shareholders. 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 or currency exchange rates with respect
to its investments.
 
     A forward foreign exchange contract that is a Section 1256 contract will be
marked to market, as described above. However, the character of gain or loss
from such a contract will generally be ordinary under Code Section 988. The Fund
may, nonetheless, elect to treat the gain or loss from certain forward foreign
exchange contracts as capital. In this case, gain or loss realized in connection
with a forward foreign exchange contract that is a Section 1256 contract will be
characterized as 60% long-term and 40% short-term capital gain or loss.
 
   
     Code Section 1092, which applies to certain 'straddles,' may affect the
taxation of the Fund's sales of securities and transactions in options, futures
and forward foreign exchange contracts. 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 options, futures and
forward foreign exchange contracts.
    
 
   
SPECIAL RULES FOR CERTAIN FOREIGN CURRENCY TRANSACTIONS
    
 
     In general, gains from 'foreign currencies' and from foreign currency
options, foreign currency futures and forward foreign exchange contracts
relating to investments in stock, securities or foreign currencies will be
qualifying income for purposes of determining whether the Fund qualifies as a
RIC. It is currently unclear, however, who will be treated as the issuer of a
foreign currency instrument or how foreign currency options, foreign currency
futures and forward foreign exchange contracts will be valued for purposes of
the RIC diversification requirements applicable to the Fund.
 
     Under Code Section 988, special rules are provided for certain transactions
in a currency other than the taxpayer's functional currency (i.e., unless
certain special rules apply, currencies other than the U.S. dollar). In general,
foreign currency gains or losses from certain debt instruments, from certain
forward contracts, from futures contracts that are not 'regulated futures
contracts' and from unlisted options will be treated as ordinary income or loss
under Code Section 988. In certain circumstances, the Fund may elect capital
gain or loss treatment for such transactions. Regulated futures contracts, as

described above, will be taxed under Code Section 1256 unless application of
Section 988 is elected by the Fund. In general, however, Code Section 988 gains
or losses will increase or decrease the amount of the Fund's investment company
taxable income available to be distributed to shareholders as ordinary income.
Additionally, if Code Section 988 losses exceed other
 
                                       27
<PAGE>
investment company taxable income during a taxable year, the Fund would not be
able to make any ordinary income dividend distributions, and all or a portion of
distributions made before the losses were realized but in the same taxable year
would be recharacterized as a return of capital to shareholders, thereby
reducing the basis of each shareholder's Fund shares and resulting in a capital
gain for any shareholder who received a distribution greater than such
shareholder's basis in Fund shares (assuming the shares were held as a capital
asset). These rules and the mark-to-market rules described above, however, will
not apply to certain transactions entered into by the Fund solely to reduce the
risk of currency fluctuations with respect to its investments.
 
     The Treasury Department has authority to issue regulations concerning the
recharacterization of principal and interest payments with respect to debt
obligations issued in hyperinflationary currencies, which may include the
currencies of certain South American countries in which the Fund intends to
invest. No such regulations have been issued.
 
                            ------------------------
 
     The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury regulations presently in effect. For the
complete provisions, reference should be made to the pertinent Code sections and
the Treasury regulations promulgated thereunder. The Code and the Treasury
regulations are subject to change by legislative, judicial or administrative
action either prospectively or retroactively.
 
     Ordinary income and capital gain dividends may also be subject to state and
local taxes.
 
     Certain states exempt from state income taxation dividends paid by RICs
which are derived from interest on U.S. Government obligations. State law varies
as to whether dividend income attributable to U.S. Government obligations is
exempt from state income tax.
 
     Shareholders are urged to consult their own tax advisers regarding specific
questions as to Federal, foreign, state or local taxes. Foreign investors should
consider applicable foreign taxes in their evaluation of an investment in the
Fund.
 
                                PERFORMANCE DATA
 
     From time to time the Fund may include its average annual total return and
other total return data in advertisements or information furnished to present or
prospective shareholders. Total return and yield figures are based on the Fund's
historical performance and are not intended to indicate future performance.
Average annual total return is determined separately for Class A, Class B, Class

C and Class D shares in accordance with a formula 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 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
 
                                       28
<PAGE>
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 longer periods of time.
 
   
     Yield quotations for each class will be computed based on a 30-day period
by dividing (a) net income based on the yield of each security earned during the
period by (b) the average daily number of shares outstanding during that period
that were entitled to receive dividends multiplied by the maximum offering price
per share on the last day of the period. The yield for the 30-day period ended
December 31, 1997 was 9.42% for Class A shares, 8.97% for Class B shares, 8.90%
for Class C shares and 9.15% for Class D shares.
    
 
                                      29
<PAGE>
     Set forth below is total return information for the Class A, Class B, Class
C and Class D shares of the Fund for the periods indicated. As a result of the
implementation of the Merrill Lynch Select Pricing(SM) System, Class A
shares of the Fund outstanding prior to October 21, 1994, were redesignated
Class D shares, and historical performance data pertaining to such shares is
provided below under the caption 'Class D.'
   
<TABLE>
<CAPTION>

                                                 CLASS A                           CLASS B                           
                                      ------------------------------    ------------------------------
                                                        REDEEMABLE                        REDEEMABLE                 
                                                        VALUE OF A                        VALUE OF A                 
                                      EXPRESSED AS     HYPOTHETICAL     EXPRESSED AS     HYPOTHETICAL
                                      A PERCENTAGE        $1,000        A PERCENTAGE        $1,000   
                                       BASED ON A      INVESTMENT AT     BASED ON A      INVESTMENT AT               
                                      HYPOTHETICAL        THE END       HYOPOTHETICAL       THE END  
                                         $1,000           OF THE           $1,000           OF THE                   
              PERIOD                   INVESTMENT         PERIOD         INVESTMENT         PERIOD                   
- -----------------------------------   -------------    -------------    -------------    -------------
                                                                 AVERAGE ANNUAL TOTAL RETURN                         
                                                        (including maximum applicable sales charges)                 
<S>                                   <C>              <C>              <C>              <C>                         
Year Ended December 31, 1997.......       (2.33)%        $  976.70          (2.24)%        $  977.60                 
Inception (October 21, 1994) to                                                                                      
  December 31, 1997................        15.56%        $1,587.20              --                --                 
Inception (August 27, 1993) to                                                                                       
  December 31, 1997................           --                --           11.42%        $1,599.80                 
                                                                                                                     
<CAPTION>                                                                                                            
                                                                     ANNUAL TOTAL RETURN                             
                                                        (excluding maximum applicable sales charges)                 
<S>                                   <C>              <C>              <C>              <C>                         
Year Ended December 31, 1997.......         1.74%        $1,017.40            1.12%        $1,011.20                 
Year Ended December 31, 1996.......        33.64%        $1,336.40           32.75%        $1,327.50                 
Year Ended December 31, 1995.......        27.27%        $1,272.70           26.10%        $1,261.00                 
Year Ended December 31, 1994.......           --                --          (15.08)%       $  849.20                 
Inception (October 21, 1994) to                                                                                      
  December 31, 1994................        (4.45)%       $  955.50              --                -- 
Inception (August 27, 1993) to                                                                                       
  December 31, 1993................           --                --           11.30%        $1,113.00                 
<CAPTION>                                                                                                            
                                                                   AGGREGATE TOTAL RETURN                            
                                                        (including maximum applicable sales charges)                 
<S>                                   <C>              <C>              <C>              <C>                         
Inception (October 21, 1994) to                                                                                      
  December 31, 1997................        58.72%        $1,587.20              --                --                 
Inception (August 27, 1993) to                                                                                       
  December 31, 1997................           --                --           59.98%        $1,599.80                 
<CAPTION>                                                                                                            
                                                                            YIELD                                    
<S>                                   <C>              <C>              <C>              <C>                         
30 Days Ended December 31, 1997....         9.42%                             8.97%                                  
 
<CAPTION>
                                               CLASS C                                     CLASS D
                                    -------------------------------            ---------------------------------
                                                        REDEEMABLE                                  REDEEMABLE
                                                        VALUE OF A                                  VALUE OF A
                                    EXPRESSED AS       HYPOTHETICAL             EXPRESSED AS       HYPOTHETICAL
                                    A PERCENTAGE          $1,000                A PERCENTAGE          $1,000
                                     BASED ON A       INVESTMENT AT              BASED ON A        INVESTMENT AT
                                    HYPOTHETICAL          THE END               HYOPOTHETICAL          THE END

                                       $1,000             OF THE                  $1,000              OF THE
              PERIOD                 INVESTMENT           PERIOD                INVESTMENT            PERIOD
- -----------------------------------  -----------      -------------             -------------      -------------
                                                                 AVERAGE ANNUAL TOTAL RETURN                         
                                                        (including maximum applicable sales charges)                 
<S>                                  <C>              <C>                       <C>                <C>
Year Ended December 31, 1997.......      0.22%        $1,002.20                   (2.42)%          $  975.80
Inception (October 21, 1994) to           
  December 31, 1997................     15.99%        $1,606.10                      --                  --
Inception (August 27, 1993) to           
  December 31, 1997................         --              --                     10.95%          $1,570.60

<CAPTION>                                                                                                            
                                                                     ANNUAL TOTAL RETURN                             
                                                        (excluding maximum applicable sales charges)                 
            
<S>                                  <C>              <C>                       <C>                <C>
Year Ended December 31, 1997.......      1.06%        $1,010.60                     1.65%          $1,016.50
Year Ended December 31, 1996.......     32.66%        $1,326.60                    33.44%          $1,334.40
Year Ended December 31, 1995.......     26.18%        $1,261.80                    26.75%          $1,267.50
Year Ended December 31, 1994.......        --              --                     (14.65)%         $  853.50
Inception (October 21, 1994) to         
  December 31, 1994................     (5.06)%       $  949.40                      --                  --
Inception (August 27, 1993) to              
  December 31, 1993................        --              --                      11.49%          $1,114.90

<CAPTION>
                                                                   AGGREGATE TOTAL RETURN                            
                                                        (including maximum applicable sales charges)                 
<S>                                  <C>              <C>                       <C>                <C>
Inception (October 21, 1994) to            -- 
  December 31, 1997................     60.61%        $1,606.10                      --                  --
Inception (August 27, 1993) to           
  December 31, 1997................        --              --                      57.06%          $1,570.60

<CAPTION>
                                                                            YIELD                                    
<S>                                  <C>              <C>                       <C>                <C>
30 Days Ended December 31, 1997....      8.90%                                      9.15%
</TABLE>           
            -- 
            
                                                  30
<PAGE>
     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 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 the waiver of CDSCs, a lower amount of expenses may be deducted.
 


                              GENERAL INFORMATION
 
DESCRIPTION OF SHARES
 
     The Fund was incorporated under Maryland law on June 10, 1993. As of the
date of this Statement of Additional Information, the Fund has an authorized
capital of 400,000,000 shares of common stock, par value $0.10 per share,
divided into four classes, designated Class A, Class B, Class C and Class D
Common Stock, each of which consists of 100,000,000 shares. Each share of Class
A, Class B, Class C and Class D Common Stock represents an interest in the same
assets of the Fund and is identical in all respects except that the Class B,
Class C and Class D shares bear certain expenses related to the account
maintenance and/or distribution of such shares, and have exclusive voting rights
with respect to matters relating to such account maintenance and/or distribution
expenditures. The Board of Directors of the Fund may classify and reclassify the
shares of the Fund into additional classes of Common Stock at a future date.
 
     Shareholders are entitled to one vote for each share held and fractional
votes for fractional shares held and will vote on the election of Directors and
any other matter on which shareholders are entitled to vote. The Fund does not
intend to hold annual meetings of shareholders in any year in which the
Investment Company Act does not require shareholders to elect Directors. Also,
the by-laws of the Fund require that a special meeting of shareholders be held
upon the written request of at least 10% of the outstanding shares of the Fund
entitled to vote at such meeting, if they comply with applicable Maryland law.
Voting rights for Directors are not cumulative. Shares issued are fully paid and
non-assessable and have no preemptive rights. Redemption and conversion rights
are discussed elsewhere herein and in the Prospectus. Each share is entitled to
participate equally in dividends and distributions declared by the Fund and in
the net assets of the Fund upon liquidation or dissolution after satisfaction of
outstanding liabilities, except that expenses related to the distribution of the
shares of a class will be borne solely by such class. Stock certificates are
issued by the transfer agent only on specific request. Certificates for
fractional shares are not issued in any case.
 
     The Investment Adviser provided the initial capital for the Fund by
purchasing 5,000 Class A shares of common stock and 5,000 Class B shares of
common stock for an aggregate of $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 Investment Adviser (or
any subsequent holder) upon redemption of any of the shares initially purchased
by it will be reduced by the proportional amount of the unamortized
organizational expenses which the number of such initial shares being redeemed
bears to the number of shares initially purchased.
 
                                       31
<PAGE>
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 on December 31, 1997, and its shares outstanding on that date is as

follows.
    
 
   
<TABLE>
<CAPTION>
                                                           CLASS A        CLASS B       CLASS C        CLASS D
                                                          ----------    -----------    ----------    -----------
<S>                                                       <C>           <C>            <C>           <C>
Net Assets.............................................   $4,842,349    $78,732,985    $4,221,731    $12,066,394
                                                          ----------    -----------    ----------    -----------
                                                          ----------    -----------    ----------    -----------
Number of Shares Outstanding...........................      504,361      8,225,505       441,099      1,261,248
                                                          ----------    -----------    ----------    -----------
                                                          ----------    -----------    ----------    -----------
Net Asset Value Per Share (net assets divided by number
  of shares outstanding)...............................   $     9.60    $      9.57    $     9.57    $      9.57
Sales Charge (for Class A and Class D shares: 4.00% of
  offering price (4.17% of net asset value per
  share))*.............................................          .40             **            **            .40
                                                          ----------    -----------    ----------    -----------
Offering Price.........................................   $    10.00    $      9.57    $     9.57    $      9.97
                                                          ----------    -----------    ----------    -----------
                                                          ----------    -----------    ----------    -----------
</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 redemptions 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.
 
INDEPENDENT AUDITORS
 
     Deloitte & Touche LLP, 117 Campus Drive, Princeton, New Jersey 08540, has
been selected as the independent auditors of the Fund. The selection of
independent auditors is subject to approval by the independent Directors of the
Fund. The independent auditors are responsible for auditing the annual financial
statements of the Fund.
 
CUSTODIAN
 
     Brown Brothers Harriman & Co., 40 Water Street, Boston, Massachusetts 02109
(the 'Custodian'), acts as the custodian of the Fund's assets. Under its
contract with the Fund, the Custodian is authorized to establish separate
accounts in foreign currencies and to cause foreign securities owned by the Fund
to be held in its offices outside the U.S. and with certain foreign banks and
securities depositories. The Custodian is responsible for safeguarding and
controlling the Fund's cash and securities, handling the receipt and delivery of
securities and collecting interest and dividends on the Fund's investments.

 
TRANSFER AGENT
 
     Merrill Lynch Financial Data Services, Inc., 4800 Deer Lake Drive East,
Jacksonville, Florida 32246-6484, acts as the Fund's transfer agent (the
'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 Fund--Transfer Agency Services' in
the Prospectus.
 
                                       32
<PAGE>
LEGAL COUNSEL
 
     Brown & Wood LLP, One World Trade Center, New York, New York 10048-0557, is
counsel for the Fund.
 
REPORTS TO SHAREHOLDERS
 
     The fiscal year of the Fund ends on December 31 of each year. The Fund
sends to its shareholders 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 Fund has filed with the Commission, Washington,
D.C., under the Securities Act and the Investment Company Act, to which
reference is hereby made.
 
   
     Under a separate agreement, ML & Co. has granted the Fund the right to use
the 'Merrill Lynch' name and has reserved the right to withdraw its consent to
the use of such name by the Fund at any time or to grant the use of such name to
any other company, and the Fund has granted ML & Co., under certain conditions,
the use of any other name it might assume in the future, with respect to any
corporation organized by ML & Co.
    
 
   
     To the knowledge of the Fund, no person or entity owned beneficially 5% or
more of the Fund's common stock on March 2, 1998.
    
 
                                       33



<PAGE>
   
INDEPENDENT AUDITORS' REPORT
    
 
   
The Board of Directors and Shareholders,
Merrill Lynch Americas Income Fund, Inc.:
    
 
   
We have audited the accompanying statement of assets and liabilities, including
the schedule of investments, of Merrill Lynch Americas Income Fund, Inc. as of
December 31, 1997, the related statements of operations and cash flows for the
year then ended, changes in net assets for each of the years in the two-year
period then ended and the financial highlights for each of the years in the
four-year period then ended and the period August 27, 1993 (commencement of
operations) to December 31, 1993. These financial statements and the financial
highlights are the responsibility of the Fund's management. Our responsibility
is to express an opinion on these financial statements and the financial
highlights based on our audits.
    
 
   
We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and the financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned at December
31, 1997 by correspondence with the custodian and brokers. An audit also
includes assessing the accounting principles used and significant estimates made
by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.
    
 
   
In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of Merrill Lynch
Americas Income Fund, Inc. as of December 31, 1997, the results of its
operations, the changes in its net assets, its cash flows and the financial
highlights for the respective stated periods in conformity with generally
accepted accounting principles.
    
 
   
Deloitte & Touche LLP
Princeton, New Jersey
February 23, 1998
    
 
                                       34


<PAGE>

3/3/98   Merrill Lynch Americas Income Fund, Inc.                         

<TABLE>
<CAPTION>

                                                               Merrill Lynch Americas Income Fund, Inc., December 31, 1997

SCHEDULE OF INVESTMENTS                                                                                     (in US dollars)

                                                                             Interest    Maturity      Value      Percent of
COUNTRY            Industry        Face Amount         Bonds                   Rate        Date      (Note 1a)    Net Assets
- -------            --------        -----------         -----                   ----        ----      ---------    ----------
<S>               <C>           <C>             <C>                         <C>        <C>         <C>            <C>

Argentina          Industrials   US$ 3,000,000   Banco Hipotecario
                                                 Nacional S.A.                8.00%     6/04/1999    $2,940,000       2.9%
                                                                                                  -------------    ------
                                                 Total Bonds in Argentina
                                                 (Cost -- $3,007,500)                                 2,940,000       2.9
                                                                                                  =============    ======

Mexico             Banking           2,500,000   Banco Nacional S.A.          8.00      4/14/2000     2,482,412       2.5
                   Industrials       5,000,000   Cemex S.A.                  10.75      7/15/2000     5,244,150       5.2
                                     2,450,000   Controladero Comercial
                                                 Mexicana S.A.                8.75      4/21/1998     2,450,000       2.5
                                                                                                  -------------    ------
                                                                                                      7,694,150       7.7

                   Paper             3,000,000   Grupo Industrial Durango
                                                 S.A. de C.V. (c)            12.625     8/01/2003     3,367,500       3.4
                                                                                                  -------------    ------
                                                 Total Bonds in Mexico
                                                 (Cost -- $13,751,624)                               13,544,062      13.6
                                                                                                  =============    ======

Russia             Financial
                   Services          2,000,000   SBS-AGRO Finance B.V.       10.25      7/21/2000     1,740,000       1.7
                                                                                                  -------------    ------
                                                 Total Bonds in Russia
                                                 (Cost -- $2,002,000)                                 1,740,000       1.7
                                                                                                  =============    ======

United States      US Government     3,000,000   United States Treasury
                   Obligations                   Notes                        6.125    11/15/2027     3,082,980       3.1
                                                                                                  -------------    ------
                                                 Total Bonds in the United
                                                 States (Cost -- $3,076,875)                          3,082,980       3.1
                                                                                                  =============    ======
                                                 Total Investments in Bonds
                                                 (Cost -- $21,837,999)                               21,307,042      21.3
                                                                                                  =============    ======


                                                   Brady Bonds*

Argentina          Sovereign         5,000,000   Republic of Argentina,
                   Government                    Global Bonds                 8.375    12/20/2003     4,750,000       4.7
                   Obligations       3,000,000   Republic of Argentina,
                                                 Global Bonds                 9.75      9/19/2027     2,869,500       2.9
                                                                                                  -------------    ------
                                                 Total Brady Bonds in
                                                 Argentina (Cost --
                                                 $7,756,700)                                          7,619,500       7.6
                                                                                                  =============    ======

Brazil             Sovereign        12,542,860   Republic of Brazil,
                   Government                    Floating Rate 'C' Bond
                   Obligations                   (b)                          8.00      4/15/2014     9,814,788       9.8
                                     1,000,000   Republic of Brazil, Global
                                                 Bonds                       10.125     5/15/2027       934,375       1.0
                                                                                                  -------------    ------
                                                 Total Brady Bonds in
                                                 Brazil (Cost --
                                                 $10,400,629)                                        10,749,163      10.8
                                                                                                  =============    ======

Mexico             Sovereign         5,000,000   Republic of Mexico, Par
                   Government                    'B' Bonds, Recovery
                   Obligations                   Rights                       6.25     12/31/2019     4,162,500       4.2
                                         1,000   United Mexican States,
                                                 Value Recovery Rights (a)    0.00                            0       0.0
                                                                                                  -------------    ------
                                                 Total Brady Bonds in Mexico
                                                 (Cost -- $4,181,250)                                 4,162,500       4.2
                                                                                                  =============    ======

Russia             Sovereign        29,500,000   Republic of Russia,
                   Government                    Principal Loan (b)           6.71875  12/15/2020    17,999,660      18.0
                   Obligations                                                                    -------------    ------
                                                 Total Brady Bonds in Russia
                                                 (Cost -- $17,907,875)                               17,999,660      18.0
                                                                                                  =============    ======

Venezuela          Sovereign         4,761,905   Republic of Venezuela, DCB,
                   Government                    Floating Rate Bond+          6.812    12/18/2007     4,255,952       4.3
                   Obligations       3,000,000   Republic of Venezuela,
                                                 Global Bonds                 9.25      9/15/2027     2,688,000       2.7
                                                                                                  -------------    ------
                                                 Total Brady Bonds in
                                                 Venezuela (Cost --
                                                 $6,617,619)                                          6,943,952       7.0
                                                                                                  =============    ======

                                      35
<PAGE>

                                                 Total Investments in Brady

                                                 Bonds (Cost -- $46,864,073)                         47,474,775      47.6
                                                                                                  =============    ======
                                                       Short-Term Securities
Brazil             Certificates of   3,000,000   Banco Excel S.A.             7.875     7/15/1998     2,790,000       2.8
                   Deposit                                                                        -------------    ------
                                                 Total Short-Term
                                                 Investments in Brazil
                                                 (Cost -- $2,881,187)                                 2,790,000       2.8
                                                                                                  =============    ======

Ecuador            Certificates of   2,000,000   Banco Popular of Ecuador     7.875     2/20/1998     1,980,504       2.0
                   Deposit                                                                        -------------    ------
                                                 Total Short-Term
                                                 Investments in Ecuador
                                                 (Cost -- $1,979,366)                                 1,980,504       2.0
                                                                                                  =============    ======

United States      US Government     6,996,000   Federal Home Loan Banks      5.10      1/02/1998     6,996,000       7.0
                   Agency           20,000,000   Federal Home Loan Mortgage
                   Obligations**                 Corp.                        5.72      1/09/1998    19,977,756      20.0
                                    21,760,000   Federal National Mortgage
                                                 Association                  5.54      1/15/1998    21,716,468      21.7
                                                                                                  -------------    ------
                                                 Total Short-Term
                                                 Investments in the United
                                                 States (Cost --
                                                 $48,690,224)                                        48,690,224      48.7
                                                                                                  =============    ======
                                                 Total Investments in
                                                 Short-Term Securities
                                                 (Cost -- $53,550,777)                               53,460,728      53.5
                                                                                                  =============    ======

                   Total Investments (Cost --
                   $122,252,849)                                                                    122,242,545     122.4
                                                                                                  =============    ======

                   Variation Margin on
                   Financial Futures
                   Contracts***                                                                          71,250       0.1

                   Liabilities in Excess of
                   Other Assets                                                                     (22,450,336)    (22.5)
                                                                                                  -------------    ------

                   Net Assets                                                                       $99,863,459     100.0%
                                                                                                  =============    ======
</TABLE>

(a) The rights may be exercised until 3/31/2020.
(b) Represents a pay-in-kind security which may pay interest in
    additional shares/face.
(c) The security may be offered and sold to "qualified institutional buyers"
    under Rule 144A of the Securities Act of 1933.

  + Portion of securities held as collateral for open financial
    futures contracts.
  * Brady Bonds are securities which have been issued to refinance commercial
    bank loans and other debt. The risk associated with these instruments is the
    amount of any uncollateralized principal or interest payments since there is
    a high default rate of commercial bank loans by countries issuing these
    securities.
 ** Certain US Government Agency Obligations are traded on a discount basis; the
    interest rates shown are the discount rates paid at the time of purchase by
    the Fund.
*** Financial Futures Contracts purchased as of December 31, 1997 were as
    follows:

    Number of                       Expiration          Value
    Contracts        Issue             Date           (Note 1a)
    ---------        -----             ----           ---------

       120     US Treasury Bonds    March 1998      $14,456,250
                                                   ------------

    Total Financial Futures Contracts Purchased
    (Total Contract Price -- $14,380,000)           $14,456,250

                                                   ============

    See Notes to Financial Statements.

                                      36

<PAGE>
<TABLE>
<CAPTION>

STATEMENT OF ASSETS AND LIABILITIES

               As of December 31, 1997

<S>           <C>                                                                        <C>                 <C>
Assets:        Investments, at value (identified cost -- $122,252,849) (Note 1a)                              $122,242,545
               Cash                                                                                                  2,107
               Receivables:
               Interest                                                                   $1,346,428
               Capital shares sold                                                           108,392
               Variation margin (Note 1b)                                                     71,250
               Securities sold                                                                 6,317             1,532,387
                                                                                        ------------
               Deferred organization expenses (Note 1f)                                                             13,461
               Prepaid registration fees and other assets (Note 1f)                                                 23,613
                                                                                                              ------------
               Total assets                                                                                    123,814,113

                                                                                                              ------------
Liabilities:   Payables:
               Securities purchased                                                       17,709,390

               Distributions to shareholders (Note 1g)                                     5,737,663
               Capital shares redeemed                                                       193,139
               Distributor (Note 2)                                                           58,751
               Investment adviser (Note 2)                                                    53,583            23,752,526
                                                                                        ------------
               Accrued expenses and other liabilities                                                              198,128
                                                                                                              ------------
               Total liabilities                                                                                23,950,654
                                                                                                              ------------

Net Assets:    Net assets                                                                                      $99,863,459

                                                                                                              ============
Net Assets     Class A Common Stock, $0.10 par value, 100,000,000 shares authorized                                $50,436
Consist of:    Class B Common Stock, $0.10 par value, 100,000,000 shares authorized                                822,551
               Class C Common Stock, $0.10 par value, 100,000,000 shares authorized                                 44,110
               Class D Common Stock, $0.10 par value, 100,000,000 shares authorized                                126,125
               Paid-in capital in excess of par                                                                101,630,733
               Accumulated distributions in excess of capital gains on investments
               -- net (Note 1g)                                                                                 (2,876,442)
               Unrealized appreciation on investments -- net                                                        65,946
                                                                                                              ------------
               Net assets                                                                                      $99,863,459

                                                                                                              ============

Net Asset      Class A -- Based on net assets of $4,842,349 and 504,361 shares outstanding                           $9.60
Value:                                                                                                        ============
               Class B -- Based on net assets of $78,732,985 and 8,225,505 shares outstanding                        $9.57
                                                                                                              ============
               Class C -- Based on net assets of $4,221,731 and 441,099 shares outstanding                           $9.57
                                                                                                              ============
               Class D -- Based on net assets of $12,066,394 and 1,261,248 shares outstanding                        $9.57
                                                                                                              ============
</TABLE>

               See Notes to Financial Statements.

                                                                37

<PAGE>
<TABLE>
<CAPTION>

STATEMENT OF OPERATIONS

                        For the Year Ended December 31, 1997

<S>                    <C>                                                             <C>                    <C>
Investment Income       Interest and discount earned                                                           $13,814,783
(Note 1e):

Expenses:               Investment advisory fees (Note 2)                               $1,056,656
                        Account maintenance and distribution fees -- Class B (Note 2)      923,998

                        Interest on short sales (Note 1h)                                  550,685
                        Transfer agent fees -- Class B (Note 2)                            256,130
                        Interest expense (Note 5)                                          178,311
                        Printing and shareholder reports                                   109,181
                        Registration fees (Note 1f)                                         82,370
                        Accounting services (Note 2)                                        77,610
                        Account maintenance and distribution fees -- Class C (Note 2)       69,103
                        Custodian fees                                                      68,696
                        Professional fees                                                   63,860
                        Transfer agent fees -- Class A (Note 2)                             46,593
                        Account maintenance fees -- Class D (Note 2)                        40,772
                        Directors' fees and expenses                                        37,384
                        Transfer agent fees -- Class D (Note 2)                             29,833
                        Amortization of organization expenses (Note 1f)                     20,908
                        Transfer agent fees -- Class C (Note 2)                             19,327
                        Other                                                                8,122
                                                                                      ------------
                        Total expenses                                                                           3,639,539

                                                                                                              ------------
                        Investment income -- net                                                                10,175,244
                                                                                                              ------------

Realized &              Realized gain on investments -- net                                                      7,854,219
Unrealized Gain         Change in unrealized appreciation on investments -- net                                (16,504,979)
(Loss) on                                                                                                     ------------
Investments -- Net      Net Increase in Net Assets Resulting from Operations                                    $1,524,484
(Notes 1b, 1c, 1e & 3):                                                                                       ============
</TABLE>

                        See Notes to Financial Statements.

                                      38

<PAGE>
<TABLE>
<CAPTION>

STATEMENTS OF CHANGES IN NET ASSETS

                                                                                                          For the
                                                                                                        Year Ended
                                                                                                        December 31,

                        Increase (Decrease) in Net Assets:                                          1997           1996
<S>                    <C>                                                                     <C>             <C>
Operations:             Investment income -- net                                                $10,175,244     $15,396,353
                        Realized gain on investments and foreign currency transactions -- net     7,854,219      22,082,753
                        Change in unrealized appreciation on investments and foreign currency
                        transactions -- net                                                     (16,504,979)     14,959,382
                                                                                             --------------  --------------
                        Net increase in net assets resulting from operations                      1,524,484      52,438,488
                                                                                             --------------  --------------


Dividends &             Investment income -- net:
Distributions to        Class A                                                                  (1,563,878)     (1,756,766)
Shareholders            Class B                                                                  (7,096,209)    (12,358,235)
(Note 1g):              Class C                                                                    (487,460)       (678,129)
                        Class D                                                                  (1,027,697)     (1,554,156)
                        In excess of investment income -- net:
                        Class A                                                                          --        (236,371)
                        Class B                                                                          --      (1,662,785)
                        Class C                                                                          --         (91,241)
                        Class D                                                                          --        (209,110)
                        Realized gain on investments -- net:
                        Class A                                                                    (416,733)       (801,439)
                        Class B                                                                  (7,162,455)     (4,369,170)
                        Class C                                                                    (379,099)       (310,794)
                        Class D                                                                  (1,075,432)       (512,917)
                        In excess of realized gain on investments -- net:
                        Class A                                                                    (132,693)             --
                        Class B                                                                  (2,280,609)             --
                        Class C                                                                    (120,710)             --
                        Class D                                                                    (342,430)             --
                                                                                             --------------  --------------
                        Net decrease in net assets resulting from dividends and distributions
                        to shareholders                                                         (22,085,405)    (24,541,113)
                                                                                             --------------  --------------

Capital Share           Net increase (decrease) in net assets derived from capital share
Transactions            transactions                                                            (97,754,082)     70,086,193
(Note 4):                                                                                    --------------  --------------

Net Assets:             Total increase (decrease) in net assets                                (118,315,003)     97,983,568
                        Beginning of year                                                       218,178,462     120,194,894
                                                                                             --------------  --------------
                        End of year                                                             $99,863,459    $218,178,462
                                                                                             ==============  ==============
</TABLE>

                      See Notes to Financial Statements.

                                      39

<PAGE>
<TABLE>
<CAPTION>

STATEMENT OF CASH FLOWS

                        For the Year Ended December 31, 1997

<S>                    <C>                                                                                      <C>

Cash Provided by        Net increase in net assets resulting from operations                                     $1,524,484
Operating Activities:   Adjustments to reconcile net increase in net assets resulting from operations to net
                        cash provided by operating activities:
                        Decrease in receivables                                                                   3,661,219

                        Decrease in other assets                                                                     56,999
                        Decrease in other liabilities                                                              (161,979)
                        Realized and unrealized loss on investments -- net                                        8,650,760
                        Amortization of discount                                                                 (4,246,881)
                                                                                                             --------------
                        Net cash provided by operating activities                                                 9,484,602
                                                                                                             --------------

Cash Provided by        Proceeds from sales of long-term securities                                           1,407,911,625
Investing Activities:   Purchases of long-term securities                                                    (1,229,662,485)
                        Purchases of short-term investments                                                  (6,447,923,473)
                        Proceeds from sales and maturities of short-term investments                          6,401,730,994

                                                                                                             --------------
                        Net cash provided by investing activities                                               132,056,661
                                                                                                             --------------

Cash Used for           Cash receipts from issuance of capital shares                                           108,068,352
Financing Activities:   Cash receipts from borrowings                                                            94,300,700
                        Cash payments on borrowings                                                            (116,651,000)
                        Cash payments on shares of capital shares redeemed                                     (217,328,766)
                        Dividends paid to shareholders                                                           (9,928,442)
                                                                                                             --------------
                        Net cash used for financing activities                                                 (141,539,156)
                                                                                                             --------------

Cash:                   Net increase in cash                                                                          2,107
                        Cash at beginning of year                                                                        --

                                                                                                             --------------
                        Cash at end of year                                                                          $2,107

                                                                                                             ==============

Cash Flow               Cash paid for interest                                                                     $741,102
Information:                                                                                                 ==============

Non-Cash                Capital shares issued on reinvestment of dividends paid to shareholders                 $10,642,141
Financing Activities:                                                                                        ==============

</TABLE>
                        See Notes to Financial Statements.

                                      40
<PAGE>
   
<TABLE>
<CAPTION>

FINANCIAL HIGHLIGHTS
                                                                                               Class A
                                                                                                              For the
                                                                                     For the                  Period
                         The following per share data and                          Year Ended                 Oct. 21,

                         ratios have been derived from information                December 31,                1994+ to
                         provided in the financial statements.                                                Dec. 31,

                                                                         1997       1996+++++     1995        1994
                         Increase (Decrease) in Net Asset Value:

<S>                     <C>                                           <C>           <C>         <C>         <C>
Per Share                Net asset value, beginning of period          $11.36        $9.70       $8.51          $9.08
Operating                                                           ---------    ---------   ---------      ---------
Performance:             Investment income -- net                         .72          .97         .94            .17
                         Realized and unrealized gain (loss) on
                         investments and foreign currency
                         transactions -- net                             (.54)        2.14        1.19           (.57)
                                                                    ---------    ---------   ---------      ---------
                         Total from investment operations                 .18         3.11        2.13           (.40)
                                                                    ---------    ---------   ---------      ---------
                         Less dividends and distributions:
                         Investment income -- net                        (.72)       (1.00)       (.94)          (.14)
                         In excess of investment income -- net             --         (.13)         --             --
                         Realized gain on investments -- net             (.93)        (.32)         --           (.03)
                         In excess of realized gain on investments
                         -- net                                          (.29)          --          --             --
                                                                    ---------    ---------   ---------      ---------
                         Total dividends and distributions              (1.94)       (1.45)       (.94)          (.17)
                                                                    ---------    ---------   ---------      ---------
                         Net asset value, end of period                 $9.60       $11.36       $9.70          $8.51
                                                                    =========    =========   =========      =========

Total Investment         Based on net asset value per share              1.74%       33.64%      27.27%         (4.45%)++++
Return:**                                                           =========    =========   =========      =========

Ratios to Average        Expenses, excluding interest expense            1.38%        1.05%       1.20%          1.22%*
Net Assets:                                                         =========    =========   =========      =========
                         Expenses                                        1.48%        1.32%       1.36%          1.91%*
                                                                    =========    =========   =========      =========
                         Investment income -- net                        6.31%        8.97%      11.25%          8.63%*
                                                                    =========    =========   =========      =========

Supplemental             Net assets, end of period (in thousands)      $4,842      $28,136      $1,165           $253
Data:                                                               =========    =========   =========      =========
                         Portfolio turnover                            942.74%      420.35%     127.17%        353.33%
                                                                    =========    =========   =========      =========

Leverage:                Amount of reverse repurchase agreements
                         outstanding, end of period (in thousands)        $--      $22,350     $10,265        $17,058
                                                                    =========    =========   =========      =========
                         Average amount of reverse repurchase
                         agreements outstanding during the period
                         (in thousands)                                $3,185       $8,277      $2,640        $17,315
                                                                    =========    =========   =========      =========
                         Average amount of reverse repurchase
                         agreements per share during the period          $.20         $.48        $.20          $1.19
                                                                    =========    =========   =========      =========
</TABLE>

    
                       * Annualized.
                      ** Total investment returns exclude the effects of sales 
                         loads.
                       + Commencement of operations.
                    ++++ Aggregate total investment return.
                   +++++ Based on average shares outstanding.

                         See Notes to Financial Statements.

                                      41

<PAGE>
   
<TABLE>
<CAPTION>

                                                                                               Class B

                                                                                                                    For the
                                                                                     For the                        Period
                         The following per share data and ratios                   Year Ended                       Aug. 27,
                         have been derived from information                       December 31,                     1993+ to
                         provided in the financial statements.                                                      Dec. 31,

                                                                   1997        1996+++++       1995        1994       1993
                         Increase (Decrease) in Net Asset Value:

<S>                     <C>                                     <C>          <C>             <C>        <C>          <C>

Per Share                Net asset value, beginning of period    $11.31       $9.65           $8.48      $10.84       $10.00
Operating                                                    ----------  ----------      ----------  ----------   ----------
Performance
                         Investment income -- net                   .63         .88             .88         .75          .24
                         Realized and unrealized gain (loss)
                         on investments and foreign currency
                         transactions -- net                       (.52)       2.15            1.17       (2.36)         .88
                                                             ----------  ----------      ----------  ----------   ----------
                         Total from investment operations           .11        3.03            2.05       (1.61)        1.12
                                                             ----------  ----------      ----------  ----------   ----------
                         Less dividends and distributions:
                         Investment income -- net                  (.63)       (.93)           (.88)       (.64)        (.24)
                         In excess of investment income --
                         net                                         --        (.12)             --          --           --
                         Realized gain on investments -- net       (.93)       (.32)             --        (.11)        (.04)
                         In excess of realized gain on
                         investments -- net                        (.29)         --              --          --           --
                                                             ----------  ----------      ----------  ----------   ----------
                         Total dividends and distributions        (1.85)      (1.37)           (.88)       (.75)        (.28)
                                                             ----------  ----------      ----------  ----------   ----------
                         Net asset value, end of period           $9.57      $11.31           $9.65       $8.48       $10.84
                                                             ==========  ==========      ==========  ==========   ==========

Total Investment         Based on net asset value per share        1.12%      32.75%          26.10%     (15.08%)      11.30%++++

Return:**                                                    ==========  ==========      ==========  ==========   ==========

Ratios to Average        Expenses, excluding interest expense
Net Assets:              and net of reimbursement                  2.16%       1.83%           1.97%       1.79%        1.03%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Expenses, excluding interest expense      2.16%       1.83%           1.97%       2.00%        2.45%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Expenses                                  2.26%       2.10%           2.13%       2.70%        2.53%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Investment income -- net                  5.76%       8.36%          10.40%       8.14%        6.76%*
                                                             ==========  ==========      ==========  ==========   ==========

Supplemental             Net assets, end of period (in
Data:                    thousands)                             $78,733    $160,204        $103,465    $101,933      $98,848
                                                             ==========  ==========      ==========  ==========   ==========
                         Portfolio turnover                      942.74%     420.35%         127.17%     353.33%       75.18%
                                                             ==========  ==========      ==========  ==========   ==========

Leverage:                Amount of reverse repurchase
                         agreements outstanding, end of
                         period (in thousands)                      $--     $22,350         $10,265     $17,058      $21,546
                                                             ==========  ==========      ==========  ==========   ==========
                         Average amount of reverse
                         repurchase agreements outstanding
                         during the period (in thousands)        $3,185      $8,277          $2,640     $17,315      $18,977
                                                             ==========  ==========      ==========  ==========   ==========
                         Average amount of reverse repurchase
                         agreements per share during the
                         period                                    $.20        $.48            $.20       $1.19        $1.81
                                                             ==========  ==========      ==========  ==========   ==========
</TABLE>
    
                       * Annualized.
                      ** Total investment returns exclude the effects of sales 
                         loads.
                       + Commencement of operations.
                    ++++ Aggregate total investment return.
                   +++++ Based on average shares outstanding.

                         See Notes to Financial Statements.

                                      42
<PAGE>
   
<TABLE>
<CAPTION>

                                                                                               Class C
                                                                                                              For the
                                                                                     For the                  Period
                         The following per share data and                          Year Ended                 Oct. 21,
                         ratios have been derived from information                December 31,                1994+ to
                         provided in the financial statements.                                                Dec. 31,


                                                                         1997       1996+++++     1995         1994
                         Increase (Decrease) in Net Asset Value:

<S>                     <C>                                           <C>           <C>         <C>            <C>

Per Share                Net asset value, beginning of period          $11.31        $9.65       $8.47          $9.08


Operating                                                           ---------    ---------   ---------      ---------
Performance:             Investment income -- net                         .63          .87         .87            .15
                         Realized and unrealized gain (loss) on
                         investments and foreign currency
                         transactions -- net                             (.52)        2.15        1.18           (.61)
                                                                    ---------    ---------   ---------      ---------
                         Total from investment operations                 .11         3.02        2.05           (.46)
                                                                    ---------    ---------   ---------      ---------
                         Less dividends and distributions:
                         Investment income -- net                        (.63)        (.92)       (.87)          (.13)
                         In excess of investment income -- net             --         (.12)         --             --
                         Realized gain on investments -- net             (.93)        (.32)         --           (.02)
                         In excess of realized gain on investments
                         -- net                                          (.29)          --          --             --
                                                                    ---------    ---------   ---------      ---------
                         Total dividends and distributions              (1.85)       (1.36)       (.87)          (.15)
                                                                    ---------    ---------   ---------      ---------
                         Net asset value, end of period                 $9.57       $11.31       $9.65          $8.47
                                                                    =========    =========   =========      =========

Total Investment         Based on net asset value per share              1.06%       32.66%      26.18%         (5.06%)++++
Return:**                                                           =========    =========   =========      =========

Ratios to Average        Expenses, excluding interest expense            2.23%        1.90%       2.05%          2.24%*
Net Assets:                                                         =========    =========   =========      =========
                         Expenses                                        2.33%        2.17%       2.19%          3.05%*
                                                                    =========    =========   =========      =========
                         Investment income -- net                        5.64%        8.17%      10.23%          8.87%*
                                                                    =========    =========   =========      =========

Supplemental             Net assets, end of period (in thousands)      $4,222      $11,436      $1,396            $75
Data:                                                               =========    =========   =========      =========
                         Portfolio turnover                            942.74%      420.35%     127.17%        353.33%
                                                                    =========    =========   =========      =========

Leverage:                Amount of reverse repurchase agreements
                         outstanding, end of period (in thousands)        $--      $22,350     $10,265        $17,058
                                                                    =========    =========   =========      =========
                         Average amount of reverse repurchase
                         agreements outstanding during the period
                         (in thousands)                                $3,185       $8,277      $2,640        $17,315
                                                                    =========    =========   =========      =========
                         Average amount of reverse repurchase
                         agreements per share during the period          $.20         $.48        $.20          $1.19
                                                                    =========    =========   =========      =========
</TABLE>

    
                       * Annualized.

                      ** Total investment returns exclude the effects of sales
                         loads.
                       + Commencement of operations.
                    ++++ Aggregate total investment return.
                   +++++ Based on average shares outstanding.

                         See Notes to Financial Statements.

                                      43

<PAGE>
   
<TABLE>
<CAPTION>

                                                                                               Class D

                                                                                                                    For the
                                                                                     For the                        Period
                         The following per share data and ratios                   Year Ended                       Aug. 27,
                         have been derived from information                       December 31,                     1993+ to
                         provided in the financial statements.                                                      Dec. 31,

                                                                   1997        1996+++++       1995        1994       1993
                         Increase (Decrease) in Net Asset Value:

<S>                     <C>                                     <C>          <C>             <C>        <C>          <C>

Per Share                Net asset value, beginning of period    $11.31       $9.65           $8.48      $10.84       $10.00
Operating                                                    ----------  ----------      ----------  ----------   ----------
Performance:             Investment income -- net                   .69         .95             .92         .80          .26
                         Realized and unrealized gain (loss)
                         on investments and foreign currency
                         transactions -- net                       (.52)       2.13            1.17       (2.36)         .88
                                                             ----------  ----------      ----------  ----------   ----------
                         Total from investment operations           .17        3.08            2.09       (1.56)        1.14
                                                             ----------  ----------      ----------  ----------   ----------
                         Less dividends and distributions:

                         Investment income -- net                  (.69)       (.97)           (.92)       (.68)        (.26)
                         In excess of investment income -- net       --        (.13)             --          --           --
                         Realized gain on investments -- net       (.93)       (.32)             --        (.12)        (.04)
                         In excess of realized gain on
                         investments -- net                        (.29)         --              --          --           --
                                                             ----------  ----------      ----------  ----------   ----------
                         Total dividends and distributions        (1.91)      (1.42)           (.92)       (.80)        (.30)
                                                             ----------  ----------      ----------  ----------   ----------
                         Net asset value, end of period           $9.57      $11.31           $9.65       $8.48       $10.84
                                                             ==========  ==========      ==========  ==========   ==========

Total Investment         Based on net asset value per share        1.65%      33.44%          26.75%     (14.65%)      11.49%++++

Return:**                                                    ==========  ==========      ==========  ==========   ==========

Ratios to Average        Expenses, excluding interest expense
Net Assets:              and net of reimbursement                  1.63%       1.31%           1.44%       1.28%         .50%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Expenses, excluding interest expense      1.63%       1.31%           1.44%       1.48%        1.93%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Expenses                                  1.73%       1.58%           1.60%       2.17%        2.03%*
                                                             ==========  ==========      ==========  ==========   ==========
                         Investment income -- net                  6.30%       8.92%          10.85%       8.65%        7.14%*
                                                             ==========  ==========      ==========  ==========   ==========

Supplemental             Net assets, end of period (in
Data:                    thousands)                             $12,066     $18,402         $14,169     $14,938      $15,076
                                                             ==========  ==========      ==========  ==========   ==========
                         Portfolio turnover                      942.74%     420.35%         127.17%     353.33%       75.18%
                                                             ==========  ==========      ==========  ==========   ==========

Leverage:                Amount of reverse repurchase
                         agreements outstanding, end of
                         period (in thousands)                      $--     $22,350         $10,265     $17,058      $21,546
                                                             ==========  ==========      ==========  ==========   ==========
                         Average amount of reverse repurchase
                         agreements outstanding during the
                         period (in thousands)                   $3,185      $8,277          $2,640     $17,315      $18,977
                                                             ==========  ==========      ==========  ==========   ==========
                         Average amount of reverse repurchase
                         agreements per share during the
                         period                                    $.20        $.48            $.20       $1.19        $1.81
                                                             ==========  ==========      ==========  ==========   ==========
</TABLE>
     
                      * Annualized.
                      ** Total investment returns exclude the effects of sales
                         loads.
                       + Commencement of operations.
                    ++++ Aggregate total investment return.
                   +++++ Based on average shares outstanding.

                         See Notes to Financial Statements.

                                      44

<PAGE>
        Merrill Lynch Americas Income Fund, Inc., December 31, 1997

NOTES TO FINANCIAL STATEMENTS

1. Significant Accounting Policies:

Merrill Lynch Americas Income Fund, Inc. (the "Fund") is registered under the
Investment Company Act of 1940 as a non-diversified, open-end management
investment company. The Fund offers four classes of shares under the Merrill
Lynch Select Pricing(SM) System. Shares of Class A and Class D are sold with a

front-end sales charge. Shares of Class B and Class C may be subject to a
contingent deferred sales charge. All classes of shares have identical voting,
dividend, liquidation and other rights and the same terms and conditions, except
that Class B, Class C and Class D Shares bear certain expenses related to the
account maintenance of such shares, and Class B and Class C Shares also bear
certain expenses related to the distribution of such shares. Each class has
exclusive voting rights with respect to matters relating to its account
maintenance and distribution expenditures. The following is a summary of
significant accounting policies followed by the Fund.


(a) Valuation of securities -- Portfolio securities which are traded on stock
exchanges are valued at the last sale price on the exchange on which such
securities are traded, as of the close of business on the day the securities are
being valued or, lacking any sales, at the last available bid price. Securities
traded in the over-the-counter market are valued at the last available bid price
prior to the time of valuation. In cases where securities are traded on more
than one exchange, the securities are valued on the exchange designated by or
under the authority of the Board of Directors as the primary market. Securities
which are traded both in the over-the-counter market and on a stock exchange are
valued according to the broadest and most representative market. Options written
are valued at the last sale price in the case of exchange-traded options or, in
the case of options traded in the over-the-counter market, the last asked price.
Options purchased are valued at the last sale price in the case of
exchange-traded options or, in the case of options traded in the
over-the-counter market, the last bid price. Short-term securities are valued at
amortized cost, which approximates market value. Other investments, including
futures contracts and related options, are stated at market value. Securities
and assets for which market value quotations are not available are valued at
their fair value as determined in good faith by or under the direction of the
Fund's Board of Directors.

(b) Derivative financial instruments -- The Fund may engage in various portfolio
strategies to seek to increase its return by hedging its portfolio against
adverse movements in the debt and currency 

                                      45
<PAGE>

markets. Losses may arise due to changes in the value of the contract or if the
counterparty does not perform under the contract.

o Forward foreign exchange contracts -- The Fund is authorized to enter
into forward foreign exchange contracts as a hedge against either specific
transactions or portfolio positions. Such contracts are not entered on the
Fund's records. However, the effect on operations is recorded from the date the
Fund enters into such contracts. Premium or discount is amortized over the life
of the contracts.

o Options -- The Fund is authorized to write and purchase call and put
options. When the Fund writes an option, an amount equal to the premium received
by the Fund is reflected as an asset and an equivalent liability. The amount of
the liability is subsequently marked to market to reflect the current market
value of the option written.


When a security is purchased or sold through an exercise of an option, the
related premium paid (or received) is added to (or deducted from) the basis of
the security acquired or deducted from (or added to) the proceeds of the
security sold. When an option expires (or the Fund enters into a closing
transaction), the Fund realizes a gain or loss on the option to the extent of
the premiums received or paid (or gain or loss to the extent the cost of the
closing transaction exceeds the premium paid or received).

Written and purchased options are non-income producing investments.

o Financial futures contracts -- The Fund may purchase or sell financial
futures contracts and options on such futures contracts as a hedge against
adverse changes in interest rates. A futures contract is an agreement between
two parties to buy and sell a security for a set price on a future date. Upon
entering into a contract, the Fund deposits and maintains as collateral such
initial margin as required by the exchange on which the transaction is effected.
Pursuant to the contract, the Fund agrees to receive from or pay to the broker
an amount of cash equal to the daily fluctuation in value of the contract. Such
receipts or payments are known as variation margin and are recorded by the Fund
as unrealized gains or losses. When the contract is closed, the Fund records a
realized gain or loss equal to the difference between the value of the contract
at the time it was opened and the value at the time it was closed.

(c) Foreign currency transactions -- Transactions denominated in foreign
currencies are recorded at the exchange rate prevailing when recognized. Assets
and liabilities denominated in foreign currencies are valued at the exchange
rate at the end of the period. Foreign currency transactions are the result of
settling (realized) or valuing (unrealized) assets or liabilities expressed in
foreign currencies into US dollars. Realized and unrealized gains or losses from
investments include the effects of foreign exchange rates on investments.

(d) Income taxes -- It is the Fund's policy to comply with the requirements of
the Internal Revenue Code applicable to regulated investment companies and to
distribute all of its taxable income to its shareholders. Therefore, no Federal
income tax provision is required. Under the applicable foreign tax law, a
withholding tax may be imposed on interest and capital gains at various rates.

(e) Security transactions and investment income -- Security transactions are
recorded on the dates the transactions are entered into (the trade dates).
Interest income (including amortization of discount) is recognized on the
accrual basis. Realized gains and losses on security transactions are determined
on the identified cost basis.

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

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


2. Investment Advisory Agreement and Transactions with Affiliates: The Fund has
entered into an Investment Advisory Agreement with Merrill Lynch Asset
Management, L.P. ("MLAM"). The general partner of MLAM is Princeton Services,
Inc. ("PSI"), an indirect wholly-owned subsidiary of Merrill Lynch & Co., Inc.
("ML & Co."), which is the limited partner. The Fund has also entered into a
Distribution Agreement and Distribution Plans with Merrill Lynch Funds
Distributor, Inc. ("MLFD" or "Distributor"), a wholly-owned subsidiary of
Merrill Lynch Group, Inc.

MLAM is responsible for the management of the Fund's portfolio and provides the
necessary personnel, facilities, equipment and certain other services necessary
to the operation of the Fund. For such services, the Fund pays a monthly fee of
0.60%, on an annual basis, of the average daily value of the Fund's net assets
plus the principal amount of borrowings incurred by the Fund for leverage
purposes.

Pursuant to the Distribution Plans adopted by the Fund in accordance with Rule
12b-1 under the Investment Company Act of 1940, the Fund pays the Distributor
ongoing account maintenance and distribution fees. The fees are accrued daily
and paid monthly at annual rates based upon the average daily net assets of the
shares as follows:

                         Account

                       Maintenance          Distribution
                           Fee                  Fee

Class B                   0.25%                0.50%
Class C                   0.25%                0.55%
Class D                   0.25%                  --


Pursuant to a sub-agreement with the Distributor, Merrill Lynch, Pierce, Fenner
& Smith Inc. ("MLPF&S"), a subsidiary of ML & Co., also provides account
maintenance and distribution services to the Fund. The ongoing account
maintenance fee compensates the Distributor and MLPF&S for providing account
maintenance services to Class B, Class C and Class D shareholders. The ongoing
distribution fee compensates the Distributor and MLPF&S for providing
shareholder and distribution- related services to Class B and Class C
shareholders.

For the year ended December 31, 1997, MLFD earned underwriting discounts and
direct commissions and MLPF&S earned dealer concessions on sales of the Fund's
Class A and Class D Shares as follows:

                          MLFD                  MLPF&S

Class A                    $72                    $921
Class D                 $2,989                 $28,129

For the year ended December 31, 1997, MLPF&S received contingent deferred sales
charges of $525,474 and $7,621 relating to transactions in Class B and Class C
Shares, respectively.


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

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

Certain officers and/or directors of the Fund are officers and/or directors of
MLAM, PSI, MLFD, MLFDS, and/or ML & Co.

3. Investments:

Purchases and sales of investments, excluding short-term securities, for the
year ended December 31, 1997 were $1,031,908,164 and $1,194,743,101,
respectively.

Realized and unrealized gains (losses) as of December 31, 1997 were as follows:

                                  Realized          Unrealized
                               Gains (Losses)     Gains (Losses)

Long-term investments           $10,227,847          $79,745
Short-term investments             (128,233)         (90,049)
Short sales                      (2,288,870)              --
Financial future contracts           43,475           76,250
                              -------------    -------------
Total                            $7,854,219          $65,946
                              =============    =============

                                      46

<PAGE>

As of December 31, 1997, net unrealized depreciation for Federal income tax
purposes aggregated $1,318,661, of which $444,746 related to appreciated
securities and $1,763,407 related to depreciated securities. At December 31,
1997, the aggregate cost of investments for Federal income tax purposes was
$123,561,206.

4. Capital Share Transactions:

Net increase (decrease) in net assets derived from capital share transactions
was $(97,754,082) and $70,086,193 for the years ended December 31, 1997 and
December 31, 1996, respectively.

Transactions in shares of capital were as follows:

Class A Shares for the Year                         Dollar
Ended December 31, 1997             Shares          Amount

Shares sold                       5,151,636      $56,403,293
Shares issued to shareholders
in reinvestment of dividends
and distributions                    51,107          445,703
                               ------------     ------------
Total issued                      5,202,743       56,848,996

Shares redeemed                  (7,175,214)     (79,112,077)
                               ------------     ------------
Net decrease                     (1,972,471)    $(22,263,081)
                               ============     ============

Class A Shares for the Year                         Dollar
Ended December 31, 1996             Shares          Amount

Shares sold                       3,188,362      $33,640,007
Shares issued to shareholders
in reinvestment of dividends
and distributions                   223,634        2,467,894
                               ------------     ------------
Total issued                      3,411,996       36,107,901
Shares redeemed                  (1,055,288)     (11,591,124)
                               ------------     ------------
Net increase                      2,356,708      $24,516,777
                               ============     ============

Class B Shares for the Year                         Dollar
Ended December 31, 1997             Shares          Amount

Shares sold                       3,167,804      $34,931,742
Shares issued to shareholders
in reinvestment of dividends
and distributions                   820,562        8,237,832
                               ------------     ------------
Total issued                      3,988,366       43,169,574
Automatic conversion of shares      (47,292)        (520,368)
Shares redeemed                  (9,878,218)    (107,912,244)
                               ------------     ------------
Net decrease                     (5,937,144)    $(65,263,038)
                               ============     ============

Class B Shares for the Year                         Dollar
Ended December 31, 1996             Shares          Amount

Shares sold                       9,423,373      $97,739,290
Shares issued to shareholders
in reinvestment of dividends
and distributions                   874,443         9,531,248
                               ------------     ------------
Total issued                     10,297,816      107,270,538
Automatic conversion of shares     (481,977)      (1,098,316)
Shares redeemed                  (6,374,330)     (71,172,295)
                               ------------     ------------
Net increase                      3,441,509      $34,999,927
                               ============     ============

Class C Shares for the Year                         Dollar
Ended December 31, 1997             Shares          Amount

Shares sold                         402,764       $4,445,980
Shares issued to shareholders

in reinvestment of dividends
and distributions                    54,337          552,404
                               ------------     ------------
Total issued                        457,101        4,998,384
Shares redeemed                  (1,027,069)     (11,235,615)
                               ------------     ------------
Net decrease                       (569,968)     $(6,237,231)
                               ============     ============

Class C Shares for the Year                         Dollar
Ended December 31, 1996             Shares          Amount

Shares sold                       1,097,995      $11,420,812
Shares issued to shareholders
in reinvestment of dividends
and distributions                    67,079          736,136
                               ------------     ------------
Total issued                      1,165,074       12,156,948
Shares redeemed                    (298,711)      (3,200,889)
                               ------------     ------------
Net increase                        866,363       $8,956,059
                               ============     ============

Class D Shares for the Year                         Dollar
Ended December 31, 1997             Shares          Amount

Shares sold                       1,019,918      $11,315,694
Automatic conversion of shares       47,304          520,368
Shares issued to shareholders
in reinvestment of dividends
and distributions                   139,825        1,406,202
                               ------------     ------------
Total issued                      1,207,047       13,242,264
Shares redeemed                  (1,573,362)     (17,232,996)
                               ------------     ------------
Net decrease                       (366,315)     $(3,990,732)
                               ============     ============

Class D Shares for the Year                         Dollar
Ended December 31, 1996             Shares          Amount

Shares sold                       1,242,352      $12,804,879
Automatic conversion of shares       95,879        1,045,958
Shares issued to shareholders
in reinvestment of dividends
and distributions                   104,699        1,098,316
                               ------------     ------------

                                      47

<PAGE>
Total issued                      1,442,930       14,949,153
Shares redeemed                  (1,284,258)     (13,335,723)
                               ------------     ------------

Net increase                        158,672       $1,613,430
                               ============     ============

5. Reverse Repurchase Agreements:

Under a reverse repurchase agreement, the Fund sells securities and agrees to
repurchase them at a mutually agreed upon date and price. At the time the Fund
enters into a reverse repurchase agreement, it may establish a segregated
account with the custodian containing cash, cash equivalents or liquid
high-grade debt securities having a value at least equal to the repurchase
price.

As of December 31, 1997, the Fund owned no outstanding reverse repurchase
agreements. For the year ended December 31, 1997, the maximum amount entered
into was $55,151,000, the average amount outstanding was approximately
$3,185,000, and the daily weighted average interest rate was 5.60%.

                                      48

<PAGE>
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<PAGE>
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<PAGE>
                     [This page intentionally left blank]

<PAGE>
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                  PAGE
                                                  ----
<S>                                               <C>
Investment Objective and Policies..............     2
  Portfolio Strategies Involving Interest Rate
    Transactions, Options and Futures..........     2
  Investment Restrictions......................     6
Management of the Fund.........................     8
  Directors and Officers.......................     8
  Compensation of Directors....................    10
  Advisory and Management Arrangements.........    10
Purchase of Shares.............................    11
  Initial Sales Charge Alternatives--Class A
    and
    Class D Shares.............................    12
  Reduced Initial Sales Charges................    14
  Employer-Sponsored Retirement or Savings
    Plans and Certain Other Arrangements.......    16
  Distribution Plans...........................    16
  Limitations on the Payment of Deferred Sales
    Charges....................................    16
Redemption of Shares...........................    18
  Deferred Sales Charges--Class B and
    Class C Shares.............................    18
Portfolio Transactions and Brokerage...........    18
Determination of Net Asset Value...............    19
Shareholder Services...........................    20
  Investment Account...........................    20
  Automatic Investment Plans...................    21
  Automatic Reinvestment of Dividends and
    Capital Gains Distributions................    21
  Systematic Withdrawal Plans..................    22
  Exchange Privilege...........................    23
Taxes..........................................    25
  Tax Treatment of Options, Futures and Forward
    Foreign Exchange Transactions..............    27
  Special Rules for Certain Foreign Currency
    Transactions...............................    27
Performance Data...............................    28
General Information............................    31
  Description of Shares........................    31
  Computation of Offering Price Per Share......    32
  Independent Auditors.........................    32
  Custodian....................................    32
  Transfer Agent...............................    32
  Legal Counsel................................    33
  Reports to Shareholders......................    33
  Additional Information.......................    33
Independent Auditors' Report...................    34

Financial Statements...........................    35
</TABLE>
   
 
                                                              Code # 16800--0498
    
[LOGO] Merrill Lynch

Merrill Lynch
Americas Income
Fund, Inc.

[ART]
 
STATEMENT OF
ADDITIONAL
INFORMATION

    
April 1, 1998
Distributor:
Merrill Lynch
Funds Distributor, Inc.
    

<PAGE>
                           PART C. OTHER INFORMATION
 
ITEM 24.  FINANCIAL STATEMENTS AND EXHIBITS.
 
   
<TABLE>
<CAPTION>
  (a)   FINANCIAL STATEMENTS:
<S>     <C>
        Contained in Part A:
        Financial Highlights for each of the years in the four-year period ended December 31, 1997, and the period
        August 27, 1993 (commencement of operations) to December 31, 1993.
        Contained in Part B:
        Schedule of Investments as of December 31, 1997.
        Statement of Assets and Liabilities as of December 31, 1997.
        Statement of Operations for the year ended December 31, 1997.
        Statements of Changes in Net Assets for each of the years in the two-year period ended
        December 31, 1997.
        Statement of Cash Flows for the year ended December 31, 1997.
        Financial Highlights for each of the years in the four-year period ended December 31, 1997, and the period
        August 27, 1993 (commencement of operations) to December 31, 1993.
  (b)   EXHIBITS:
</TABLE>
    
 
   
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                                      DESCRIPTION
- -------          -------------------------------------------------------------------------------------------------
<S>        <C>   <C>
   1(a)      --  Amended and Restated Articles of Incorporation of the Registrant.(a)
    (b)      --  Articles of Amendment to the Articles of Incorporation of the Registrant.(b)
    (c)      --  Articles Supplementary to the Articles of Incorporation of the Registrant.(b)
      2      --  By-Laws of the Registrant.(c)
      3      --  None.
      4      --  Copies of intruments defining the rights of shareholders, including the relevant portions of the
                 Articles of Incorporation, as amended, and By-Laws of the Registrant.(d)
   5(a)      --  Investment Advisory Agreement between the Registrant and Merrill Lynch Asset Management, L.P.(e)
    (b)      --  Form of Sub-Advisory Agreement between Merrill Lynch Asset Management, L.P. and Merrill Lynch
                 Asset Managment U.K. Limited.(f)
    (c)      --  Supplement to Investment Advisory Agreement between the Registrant and Merrill Lynch Asset
                 Management, L.P., dated January 3, 1994.(g)
   6(a)      --  Class A Shares Distribution Agreement between the Registrant and Merrill Lynch Funds Distributor,
                 Inc.(g)
    (b)      --  Class B Shares Distribution Agreement between the Registrant and Merrill Lynch Funds Distributor,
                 Inc.(e)
    (c)      --  Letter Agreement between the Registrant and Merrill Lynch Funds Distributor, Inc. with respect to
                 the Merrill Lynch Mutual Fund Adviser Program.(e)
    (d)      --  Class C Shares Distribution Agreement between the Registrant and Merrill Lynch Funds Distributor,
                 Inc.(g)
    (e)      --  Class D Shares Distribution Agreement between the Registrant and Merrill Lynch Funds Distributor,

                 Inc.(g)
      7      --  None.
</TABLE>
    
 
                                      C-1
<PAGE>
   
<TABLE>
<S>        <C>   <C>
      8      --  Custodian Agreement between the Registrant and Brown Brothers Harriman & Co.(e)
   9(a)      --  Transfer Agency, Dividend Disbursing Agency and Shareholder Servicing Agency Agreement between
                 the Registrant and Merrill Lynch Financial Data Services, Inc.(e)
    (b)      --  License Agreement relating to the use of name between the Registrant and Merrill Lynch & Co.,
                 Inc.(e)
     10      --  None.
     11      --  Consent of Deloitte & Touche LLP, independent auditors for the Registrant.
     12      --  None.
     13      --  Certificate of Merrill Lynch Asset Management, L.P.(a)
     14      --  None.
     15      --  Class B Shares Distribution Plan and Class B Shares Distribution Plan Sub-Agreement of the
                 Registrant.(e)
    (b)      --  Class C Shares Distribution Plan and Class C Shares Distribution Plan Sub-Agreement of the
                 Registrant.(g)
    (c)      --  Class D Shares Distribution Plan and Class D Shares Distribution Plan Sub-Agreement of the
                 Registrant.(g)
  16(a)      --  Schedule of computation of each performance quotation provided in the Registration Statement in
                 response to Item 22 relating to Class A Shares.(b)
    (b)      --  Schedule of computation of each performance quotation provided in the Registration Statement in
                 response to Item 22 relating to Class B Shares.(e)
    (c)      --  Schedule of computation of each performance quotation provided in the Registration Statement in
                 response to Item 22 relating to Class C Shares.(b)
    (d)      --  Schedule of computation of each performance quotation provided in the Registration Statement in
                 response to Item 22 relating to Class D Shares.(e)
  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 August 20, 1993, as an Exhibit to Pre-Effective Amendment No. 3 to
    the Registrant's Registration Statement on Form N-1A under the Securities
    Act of 1933, as amended (File No. 33-64398) (the 'Registration Statement').
 
(b) Filed on April 28, 1995 as an Exhibit to Post-Effective Amendment No. 3 to
    the Registration Statement.
 
(c) Filed on April 29, 1996 as an Exhibit to Post-Effective Amendment No. 4 to
    the Registration Statement.
 

(d) Reference is made to Article III (Sections 2, 3, 4 and 5), Article IV,
    Article V (Sections 2, 3, 4, 5, 6, and 7), Article VI, Article VII, Article
    IX of the Registrant's Amended and Restated Articles of Incorporation filed
    as Exhibit 1(a) to the Registration Statement; Articles of Amendment to the
    Articles of Incorporation filed as Exhibit 1(b) to the Registration
    Statement; Articles Supplementary to the Articles of Incorporation filed as
    Exhibit 1(c) to the Registration Statement; and Article II, Article III
                                      (Sections 1, 2, 3, 4, 5, 6 and 7), Article
 
                                              (Footnotes continued on next page)
 
                                      C-2
<PAGE>
(Footnotes continued from previous page)
    VI, Article VII, Article XII, Ariticle XIII and Article XIV of the
    Registrant's By-Laws filed as Exhibit 2 to the Registration Statement.
 
(e) Filed on February 18, 1994, as an Exhibit to Post-Effective Amendment No. 1
    to the Registration Statement.
 
   
(f) Filed on April 29, 1997 as an Exhibit to Post-Effective Amendment No. 5 to
    the Registration Statement.
    
 
   
(g) Filed on October 17, 1994, as an Exhibit to Post-Effective Amendment No. 2
    to the Registration Statement.
    
 
   
(h) Incorporated by reference to Exhibit 18 to Post-Effective Amendment No. 13
    to the Registration Statement of Form N-1A under the Securities Act of 1933,
    as amended, filed on January 25, 1996, relating to shares of Merrill Lynch
    New York Municipal Bond Fund series of Merrill Lynch Multi-State Municipal
    Series Trust (File No. 2-99473).
    
 
ITEM 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.
 
     The Registrant is not controlled by or under common control with any other
person.
 
ITEM 26. NUMBER OF HOLDERS OF SECURITIES.
 
   
<TABLE>
<CAPTION>
                                                                                                      NUMBER OF
                                                                                                     HOLDERS AT
                                        TITLE OF CLASS                                            FEBRUARY 28, 1998
- -----------------------------------------------------------------------------------------------   -----------------
<S>                                                                                               <C>
Class A Common Stock, par value $.10 per share.................................................        1,510  

Class B Common Stock, par value $.10 per share.................................................        5,402
Class C Common Stock, par value $.10 per share.................................................          386
Class D Common Stock, par value $.10 per share.................................................          603
</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.
 
     Reference is made to Article VI of the Registrant's Articles of
Incorporation, Article VI of the Registrant's By-Laws, Section 2-418 of the
Maryland General Corporation Law and Section 9 of the Distribution Agreements.
 
   
     Insofar as the conditional advancing of indemnification moneys for actions
based on the Investment Company Act of 1940, as amended (the '1940 Act'), may be
concerned, Article VI of the Registrant's By-Laws provides that 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 utimately determined 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 Directors, or an independent legal
counsel in a written
    
 
                                      C-3
<PAGE>
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 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, the
Prospectus or the Statement of Additional Information.
    
 
     Insofar as indemnification for liabilities arising under the 1933 Act may

be permitted to Directors, 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 Director, officer, or controlling
person of the Registrant and the principal underwriter in connection with the
successful defense of any action, suit or proceeding) is asserted by such
Director, officer or controlling person or the principal underwriter in
connection with the shares being registered, the Registrant will, unless in the
opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the 1933 Act and
will be governed by the final adjudication of such issue.
 
ITEM 28. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.
 
   
     (a) Merrill Lynch Asset Management, L.P. ('MLAM' or the 'Investment
Adviser'), acts as the investment adviser for the following open-end registered
investment companies: Merrill Lynch Adjustable Rate Securities 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 Convertible Fund, Inc., Merrill
Lynch Global Growth Fund, Inc., Merrill Lynch Global Holdings, Inc., Merrill
Lynch Global Resources Trust, Merrill Lynch Global Small Cap 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. and 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.
    
 
   
     Fund Asset Management, L.P. ('FAM'), an affiliate of the Investment
Adviser, 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

    
 
                                      C-4
<PAGE>
   
Treasury Fund, The Corporate Fund Accumulation Program, Inc., Financial
Institutions Series Trust, Merrill Lynch Basic Value Fund, Inc., Merril Lynch
California Municipal Series Trust, Merrill Lynch Corporate Bond 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 for 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., 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 Florida Insured
Fund, MuniHoldings Florida Insured Fund II, MuniHoldings Fund, Inc.,
MuniHoldings Fund II, Inc., MuniHoldings New Jersey Insured Fund, Inc.,
MuniHoldings New York Fund, Inc., MuniHoldings New York Insured Fund, 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.
    
 
   
     The address of each of these investment companies is P.O. Box 9011,
Princeton, New Jersey 08543-9011, except that the address of Merrill Lynch Funds
for Institutions Series is One Financial Center, 23rd Floor, Boston,
Massachusetts 02111-2665. The address of MLAM, FAM, Princeton Services, Inc.
('Princeton Services') and Princeton Administrators, L.P. is also P.O. Box 9011,
Princeton, New Jersey 08543-9011. The address of Merrill Lynch Funds
Distributor, Inc. ('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. The address of Merrill
Lynch Financial Data Services, Inc. ('MLFDS') is 4800 Deer Lake Drive East,
Jacksonville, Florida 32246-6484.
    
    
     Set forth below is a list of each executive officer and partner of the
Investment Adviser indicating each business, profession, vocation or employment

of a substantial nature in which each such person or entity has been engaged
since January 1, 1996 for his or her or its own account or in the capacity of
director, officer, partner or trustee. In addition, Mr. Zeikel is President and
Director or Trustee, Mr. Richard is Treasurer and Mr. Glenn is Executive Vice
President of substantially all of the investment companies described in the
preceding paragraph of this Item 28, and Messrs. Giordano, Harvey, Kirstein and
Monagle are directors, trustees or officers of one or more of such companies.
    
<TABLE>
<CAPTION>
                                           POSITION WITH                  OTHER SUBSTANTIAL BUSINESS,
                NAME                   THE INVESTMENT ADVISER          PROFESSION, VOCATION OR EMPLOYMENT
- ------------------------------------  ------------------------  ------------------------------------------------
<S>                                   <C>                       <C>
ML & Co.............................  Limited Partner           Financial Services Holding Company, Limited
                                                                  Partner of FAM
Princeton Services..................  General Partner           General Partner of FAM
</TABLE>
 
                                      C-5
<PAGE>
   
<TABLE>
<CAPTION>
                                           POSITION WITH                  OTHER SUBSTANTIAL BUSINESS,
                NAME                   THE INVESTMENT ADVISER          PROFESSION, VOCATION OR EMPLOYMENT
- ------------------------------------  ------------------------  ------------------------------------------------
<S>                                   <C>                       <C>
Arthur Zeikel.......................  Chairman                  Chairman of FAM; President of FAM and MLAM 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 FAM; President and Director of
                                                                  Princeton Services; Executive Vice President
                                                                  of ML & Co.
Terry K. Glenn......................  Executive Vice President  Executive Vice President of FAM; Executive Vice
                                                                  President and Director of Princeton Services;
                                                                  President and Director of MLFD; Director of
                                                                  MLFDS; President of Princeton Administrators,
                                                                  L.P.
Linda L. Federici...................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Vincent R. Giordano.................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Elizabeth A. Griffin................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Norman R. Harvey....................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Michael J. Hennewinkel..............  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Philip L. Kirstein..................  Senior Vice President,    Senior Vice President, General Counsel and
                                        General Counsel and       Secretary of FAM; Senior Vice President,
                                        Secretary                 General Counsel, Director and Secretary of

                                                                  Princeton Services
Ronald M. Kloss.....................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Debra W. Landsman-Yaros.............  Senior Vice President     Senior Vice President of FAM; Vice President of
                                                                  MLFD; Senior Vice President of Princeton
                                                                  Services
Stephen M. M. Miller................  Senior Vice President     Executive Vice President of Princeton
                                                                  Administrators, L.P.; Senior Vice President of
                                                                  Princeton Services
Joseph T. Monagle, Jr...............  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
</TABLE>
    
 
                                      C-6
<PAGE>
   
<TABLE>
<CAPTION>
                                           POSITION WITH                  OTHER SUBSTANTIAL BUSINESS,
                NAME                   THE INVESTMENT ADVISER          PROFESSION, VOCATION OR EMPLOYMENT
- ------------------------------------  ------------------------  ------------------------------------------------
<S>                                   <C>                       <C>
Michael L. Quinn....................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services; Managing
                                                                  Director and First Vice President of Merrill
                                                                  Lynch from 1989 to 1995
Richard L. Reller...................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services; Director of
                                                                  MLFD
Gerald M. Richard...................  Senior Vice President     Senior Vice President and Treasurer of FAM;
                                        and Treasurer             Senior Vice President and Treasurer of
                                                                  Princeton Services; Vice President and
                                                                  Treasurer of MLFD
Gregory D. Upah.....................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
Ronald L. Welburn...................  Senior Vice President     Senior Vice President of FAM; Senior Vice
                                                                  President of Princeton Services
</TABLE>
    
 
   
     (b) Merrill Lynch Asset Management U.K. Limited ('MLAM U.K.') acts as
sub-adviser for the following registered investment companies: Corporate High
Yield Fund, Inc., Corporate High Yield Fund II, Inc., Corporate High Yield Fund
III, Inc., Income Opportunities Fund 1999, Inc., Income Opportunities Fund 2000,
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 Basic Value Fund, Inc., Merrill Lynch Capital Fund,
Inc., Merrill Lynch Consults International Portfolio, Merrill Lynch Convertible
Fund, Inc., Merrill Lynch Corporate Bond Fund, Inc., Merrill Lynch Developing
Capital Markets, Inc., Merrill Lynch Dragon Fund, Inc., Merrill Lynch Emerging
Tigers 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 Convertible Fund, Inc., Merrill Lynch Global Growth Fund,
Inc., Merrill Lynch Global Holdings, Inc., Merrill Lynch Global Resources Trust,
Merrill Lynch Global SmallCap Fund, Inc., Merrill Lynch Global Utility Fund,
Inc., Merrill Lynch Global Value Fund, Inc., Merrill Lynch Growth Fund, Merrill
Lynch Healthcare Fund, Inc., Merrill Lynch International Equity Fund, Merrill
Lynch Latin America Fund, Inc., Merrill Lynch Middle East/Africa Fund, Inc.,
Merrill Lynch Pacific Fund, Inc., Merrill Lynch Phoenix Fund, Inc., Merrill
Lynch Real Estate Fund, Inc., Merrill Lynch Series Fund, Inc., Merrill Lynch
Short-Term Global Income Fund, Inc., Merrill Lynch Special Value Fund, Inc.,
Merrill Lynch Strategic Dividend Fund, Merrill Lynch Technology Fund, Inc.,
Merrill Lynch Utility Income Fund, Inc., Merrill Lynch Variable Series Funds,
Inc., Merrill Lynch World Income Fund, Inc. and Worldwide DollarVest Fund, Inc.
The address of each of these registered investment companies is P.O. Box 9011,
Princeton, New Jersey 08543-9011. The address of MLAM U.K. is Milton Gate, 1
Moor Lane, London EC2Y 9HA, England.
    
 
   
     Set forth below is a list of each executive officer and director of MLAM
U.K. indicating each business, profession, vocation or employment of a
substantial nature in which each such person has been engaged since January 1,
1996, for his own account or in the capacity of director, officer, partner or
trustee. In addition, Messrs. Zeikel, Albert and Richard are officers of one or
more of the registered investment companies listed in the first two paragraphs
of this Item 28:
    
 
                                      C-7
<PAGE>
 
   
<TABLE>
<CAPTION>
                                          POSITION(S) WITH          OTHER SUBSTANTIAL BUSINESS, PROFESSION,
NAME                                         MLAM U.K.                       VOCATION OR EMPLOYMENT
- ------------------------------------  ------------------------  ------------------------------------------------
<S>                                   <C>                       <C>
Arthur Zeikel.......................  Director and Chairman     Chairman of MLAM and FAM; Chairman and Director
                                                                  of Princeton Services; President of Princeton
                                                                  Services from 1993 to 1997; President of MLAM
                                                                  and FAM from 1977 to 1997; Executive Vice
                                                                  President of ML & Co.
Alan J. Albert......................  Senior Managing Director  Vice President of MLAM
Nicholas C.D. Hall..................  Director                  Director of Merrill Lynch Europe PLC; General
                                                                  Counsel of Merrill Lynch International Private
                                                                  Banking Group
Gerald M. Richard...................  Senior Vice President     Senior Vice President and Treasurer of 
                                                                  MLAM and FAM; Senior Vice President and
                                                                  Treasurer of Princeton Services; Vice
                                                                  President and Treasurer of MLFD
Carol Ann Langham...................  Company Secretary         None
Debra Anne Searle...................  Assistant Company         None
                                        Secretary

</TABLE>
    
 
ITEM 29.  PRINCIPAL UNDERWRITERS.
 
   
     (a) MLFD 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. and 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.
    
 
   
     (b) Set forth below is information concerning each director and officer of
MLFD. The principal business address of each such person is P.O. Box 9011,
Princeton, New Jersey 08543-9011, except that the address of Messrs. Aldrich,
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
Richard L. Reller.........          Director                     None
Thomas J. Verage..........          Director                     None
William E. Aldrich........    Senior Vice President              None
Robert W. Crook...........    Senior Vice President              None
Michael J. Brady..........       Vice President                  None
William M. Breen..........       Vice President                  None
</TABLE>
    
 
                                      C-8
<PAGE>
   
<TABLE>
<CAPTION>
                             POSITION(S) AND OFFICES    POSITION(S) AND OFFICES
           NAME                     WITH MLFD               WITH REGISTRANT
- --------------------------  -------------------------  -------------------------
<S>                         <C>                        <C>
Michael G. Clark..........       Vice President                  None
James T. Fatseas..........       Vice President                  None
Michelle T. Lau...........       Vice President                  None

Debra W. Landsman-Yaros...       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.
 
ITEM 30.  LOCATION OF ACCOUNTS AND RECORDS.
 
   
     All accounts, books and other documents required to be maintained by
Section 31(a) of the 1940 Act and the rules thereunder are maintained at the
offices of the Registrant (800 Scudders Mill Road, Plainsboro, New Jersey
08536), and its transfer agent, MLFDS, (4800 Deer Lake Drive East, Jacksonville,
Florida 32246-6484).
    
 
ITEM 31.  MANAGEMENT SERVICES.
 
     Other than as set forth under the caption 'Management of the Fund--Advisory
and Management and Arrangements' in the Prospectus constituting Part A of the
Registration Statement and under 'Management of the Fund--Advisory and
Management 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) Registrant undertakes to furnish to each person to whom a prospectus is
delivered a copy of the Registrant's latest annual report to shareholders, upon
request and without charge.
    
 
                                      C-9


<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 1st day of April
1998.
    
 
                                          MERRILL LYNCH AMERICAS
                                          INCOME FUND, INC.
                                          (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 Director
              (Arthur Zeikel)                (Principal Executive Officer)
 
            GERALD M. RICHARD*               Treasurer (Principal Financial and
            (Gerald M. Richard)              Accounting Officer)
 
               DONALD CECIL*                 Director
              (Donald Cecil)
 
             EDWARD H. MEYER*                Director
             (Edward H. Meyer)
 
            CHARLES C. REILLY*               Director
            (Charles C. Reilly)
 
             RICHARD R. WEST*                Director
             (Richard R. West)
 
            EDWARD D. ZINBARG*               Director
            (Edward D. Zinbarg)

</TABLE>
*By:           /s/ GERALD M. RICHARD                            April 1, 1998
     ----------------------------------------
       (Gerald M. Richard, Attorney-in-Fact)
    
 
                                      C-10

<PAGE>
                                 EXHIBIT INDEX
 
   
<TABLE>
<CAPTION>
EXHIBIT
NUMBER                                               DESCRIPTION
- ------                                               -----------
<S>      <C>   <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>
    

<PAGE>
   
                                                                      EXHIBIT 11
INDEPENDENT AUDITORS' CONSENT
    
 
   
Merrill Lynch Americas Income Fund, Inc.:
    
 
   
We consent to the use in Post-Effective Amendment No. 6 to Registration
Statement No. 33-64398 of our report dated February 23, 1998 appearing in the
Statement of Additional Information, which is a part of such Registration
Statement, and to the reference to us under the caption "Financial Highlights"
appearing in the Prospectus, which also is a part of such Registration
Statement.
    
 
   
Deloitte & Touche LLP
Princeton, New Jersey
March 31, 1998
    

<TABLE> <S> <C>


<ARTICLE> 6
<CIK> 0000906956
<NAME> MERRILL LYNCH AMERICAS INCOME FUND, INC.
<SERIES>
   <NUMBER> 001
   <NAME> CLASS A
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<INVESTMENTS-AT-COST>                        122252849
<INVESTMENTS-AT-VALUE>                       122242545
<RECEIVABLES>                                  1532387
<ASSETS-OTHER>                                   39181
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               123814113
<PAYABLE-FOR-SECURITIES>                      17709390
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      6241264
<TOTAL-LIABILITIES>                           23950654
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     102673955
<SHARES-COMMON-STOCK>                          8225505
<SHARES-COMMON-PRIOR>                         14162649
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                      (2876442)
<ACCUM-APPREC-OR-DEPREC>                         65946
<NET-ASSETS>                                  78732985
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                             13814783
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                (3639539)
<NET-INVESTMENT-INCOME>                       10175244
<REALIZED-GAINS-CURRENT>                       7854219
<APPREC-INCREASE-CURRENT>                    (16504979)
<NET-CHANGE-FROM-OPS>                          1524484
<EQUALIZATION>                                       0
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