MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
485APOS, 1998-12-31
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<PAGE>

   
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 31, 1998
    
 
   
                                                 SECURITIES ACT FILE NO. 33-8708
                                        INVESTMENT COMPANY ACT FILE NO. 811-4839
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       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. 15                      /X/
    
                                     AND/OR
                        REGISTRATION STATEMENT UNDER THE
                         INVESTMENT COMPANY ACT OF 1940                      /X/
   
                                AMENDMENT NO. 16                             /X/
    
                        (CHECK APPROPRIATE BOX OR BOXES)
                            ------------------------
   
                                 MERRILL LYNCH
                       INTERMEDIATE GOVERNMENT BOND FUND
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
    
   
                P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011
            (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)     (ZIP CODE)
    
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE (609) 282-2800
 
   
                                ROBERT W. CROOK
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
                P.O. BOX 9011, PRINCETON, NEW JERSEY 08543-9011
                    (NAME AND ADDRESS OF AGENT FOR SERVICE)
    
                            ------------------------
 
                                   COPIES TO:
 
   COUNSEL FOR THE COMPANY:                    MICHAEL J. HENNEWINKEL, ESQ.
 LEONARD B. MACKEY, JR., ESQ.               MERRILL LYNCH ASSET MANAGEMENT L.P.
     ROGERS & WELLS LLP                                P.O. BOX 9011
      200 PARK AVENUE                           PRINCETON, N.J. 08543-9011
 NEW YORK, NEW YORK 10166
 
                            ------------------------
 
 IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE (CHECK APPROPRIATE BOX):
 
    / / immediately upon filing pursuant to paragraph (b)
    / / on (date) pursuant to paragraph (b)
    /x/ 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: Class A shares, Class B shares,
Class C shares and Class D shares of Common Stock of the Merrill Lynch
Intermediate Government Bond Fund.
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

<PAGE>

Information contained herein is subject to completion or amendment. A
registration statement relating to these securities has been filed with the
Securities and Exchange Commission. These securities may not be sold nor may
offers to buy be accepted prior to the time the registration statement becomes
effective. This prospectus shall not constitute an offer to sell or the
solicitation of an offer to buy nor shall there be any sale of these securities
in any State in which such offer, solicitation or sale would be unlawful prior
to registration or qualification under the securities law of any such State.

                                                            [LOGO Merrill Lynch]

   
                 SUBJECT TO COMPLETION, DATED DECEMBER 31, 1998
                             PRELIMINARY PROSPECTUS
    

   
                           Merrill Lynch Intermediate
                              Government Bond Fund
    




   
                                                            February [ ], 1999
    


This prospectus contains information you should know before investing, including
information about risks. Please read it before you invest and keep it for future
reference. 

The securities and exchange commission has not approved or disapproved these
securities or passed upon the adequacy of this Prospectus. Any representation to
the contrary is a criminal offense.


<PAGE>

Table of Contents

   
<TABLE>
<CAPTION>
                                                                           PAGE

[GRAPHIC] KEY FACTS
- --------------------------------------------------------------------------------
<S>                                                                        <C>
The Merrill Lynch Intermediate Government Bond Fund at a Glance..............2

Risk/Return Bar Chart........................................................3

Fees and Expenses............................................................4


[GRAPHIC] DETAILS ABOUT THE FUND
- --------------------------------------------------------------------------------

How the Fund Invests.........................................................6

Investment Risks.............................................................7


[GRAPHIC] YOUR ACCOUNT
- --------------------------------------------------------------------------------

Merrill Lynch Select Pricing(ServiceMark) System.............................8

How to Buy, Sell, Transfer and Exchange Shares..............................13

Participation in Merrill Lynch Fee-Based Programs...........................17


[GRAPHIC] MANAGEMENT OF THE FUND
- --------------------------------------------------------------------------------

Merrill Lynch Asset Management..............................................19

Financial Highlights........................................................20


[GRAPHIC] FOR MORE INFORMATION
- --------------------------------------------------------------------------------

Shareholder Reports...................................................Back Cover

Statement of Additional Information...................................Back Cover
</TABLE>
    

   
               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

[GRAPHIC] Key Facts

   
THE MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND AT A GLANCE
- --------------------------------------------------------------------------------
    

What are the Fund's objectives and goals?

   
The Fund's investment objective is to seek the highest possible current income
consistent with the protection of capital afforded by investing in
intermediate-term debt securities issued or guaranteed by the U.S. Government,
its agencies or instrumentalities with a maximum maturity not to exceed fifteen
years. We cannot guarantee that the Fund will achieve its goals.
    

What are the Fund's main investment strategies?

   
The Fund invests in a portfolio of bonds and other debt securities that are
issued or guaranteed by the U.S. Government or U.S. Government agencies and
organizations. The Fund may invest a portion of its portfolio in mortgage-backed
securities issued or guaranteed by government sponsored enterprises. The Fund
may also invest in securities linked to an interest rate or other index. The
Fund may loan portfolio securities and enter into securities repurchase
agreements and purchase securities on a when-issued or forward commitment basis.
Under normal circumstances, the Fund will maintain a dollar-weighted average
maturity of six to eight years.
    

What are the main risks of investing in the Fund?

   
As with any mutual fund, the value of the Fund's investments - and therefore the
value of Fund shares - may fluctuate. These changes may occur in response to
interest rate changes or other factors that may affect a particular issuer or
obligation. Generally, when interest rates go up, the value of debt instruments
goes down. If the value of the Fund's investments goes down, you may lose money.
    

   
Mortgage-backed securities may be more volatile than other government debt
securities and carry the risk of prepayment before maturity.
    

Who should invest?

The Fund may be an appropriate investment for you if you:
   
         o Are looking for current income.
         o Are investing with medium-term goals in mind and want to focus on
           U.S. Government securities.
    

   
In an effort to help you better understand the many concepts involved in making
an investment decision, we have defined the
highlighted terms in this prospectus in the sidebar.
    
   
Intermediate-term debt securities-bonds that have a final maturity ranging from
five to fifteen years.
    


   
2                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

[GRAPHIC] Key Facts


RISK/RETURN BAR CHART*
- --------------------------------------------------------------------------------

   
The bar chart and table shown below provide an indication of the risks of
investing in the Fund. The bar chart shows changes in the Fund's performance for
Class D shares from year to year for the ten-year period. Sales charges are not
reflected in the bar chart. If these amounts were reflected, returns would be
less than those shown. The table compares the average annual total returns of
the Fund's Class D shares for one, five and ten years with those of the Merrill
Lynch U.S. Treasury Bond Index and the Merrill Lynch U.S. Treasury & Government
Agency Bond Index. How the Fund performed in the past is not necessarily an
indication of how the Fund will perform in the future.  
    

             CLASS D PERFORMANCE SHARES

                     [BAR CHART]

           Year                  Percentage
           ----                  ----------
           1988................      6%
           1989................     11%
           1990................      9%
           1991................     14%
           1992................      7%
           1993................      7%
           1994................     -2%
           1995................     11%
           1996................      4%
           1997................      7%

   
During the ten-year period shown in the bar chart, the highest return for a
quarter was 5.08% (quarter ended June 30, 1989) and the lowest return for a
quarter was -1.57% (quarter ended March 31, 1994). The year-to-date return as of
September 30, 1998 was 9.02%.
    


   
<TABLE>
<CAPTION>

Average Annual Total
Returns (for the                                   Past           Past           Past
calendar year ended                               One Year      Five Years     Ten Years
December 31, 1997)                                                           
- ------------------------------------------------------------------------------------------------
<S>                                               <C>           <C>          <C>
  Merrill Lynch
  Intermediate Government Bond  Fund**   D          6.20%          5.23%           7.16%

  ML US Treasury Bond Index***                      9.20%          7.38%           9.09%

  ML US Treasury & Government
  Agency Bond Index****                             9.10%          7.39%           9.12%
</TABLE>

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

    
   
   * At the close of business on February 14, 1997, there was a reorganization
     of the Fund in which the Fund changed its investment objective. As a
     result, the performance information for operations of the Fund prior to its
     reorganization, may not be indicative of its performance following its
     reorganization. See page 10 of the Statement of Additional Information.
    
   
  ** Includes sales charge.
    
   
 *** This unmanaged Index is comprised of US Treasury securities maturing in
     five to seven years. First performance is not predictive of future 
     performance.
    
   
**** This unmanaged Index is comprised of US Treasury and Government agency
     securities maturing in five to seven years. Past performance is not
     predictive of future performance.
    
   
 +   Inception date is February 18, 1997.
    

   
                 MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               3
    

<PAGE>

[GRAPHIC] Key Facts


   
FEES AND EXPENSES
- --------------------------------------------------------------------------------
    

The Fund offers four different classes of shares. Although your money will be
invested the same way no matter which class of shares you buy, there are
differences among the fees and expenses associated with each class. Not that
everyone is eligible to buy every class. After determining which classes you are
eligible to buy, decide which class best suits your needs. Your Merrill Lynch
Financial Consultant can help you with this decision.

This table shows the different fees and expenses that you may pay if you buy and
hold the different classes of shares of the Fund. Future expenses may be greater
or less than those indicated below.

   
<TABLE>

    Shareholder Fees
    (fees paid directly from your investment):      Class A     Class B(a)   Class C   Class D(i)
    -----------------------------------------------------------------------------------------------
<S>                                                  <C>         <C>          <C>       <C>
     Maximum Sales Charge (Load) imposed on                     
     purchases (as a percentage of offering price)    1.00%(b)   None         None      1.00%(b)
     -----------------------------------------------------------------------------------------------
     Maximum Deferred Sales Charge (Load) (as                   
     a percentage of original purchase price or                 
     redemption proceeds, whichever is lower)         None(c)    1.0%(b)      1.0%(b)   None(c)
     -----------------------------------------------------------------------------------------------
     Maximum Sales Charge (Load) imposed on                     
     Dividend Reinvestments                           None       None         None      None
     -----------------------------------------------------------------------------------------------
     Redemption Fee                                   None       None         None      None
     -----------------------------------------------------------------------------------------------
     Exchange Fee                                     None       None         None      None
     -----------------------------------------------------------------------------------------------
     Maximum Account Fee                              None       None         None      None
     -----------------------------------------------------------------------------------------------
     Annual Fund Operating Expenses
     (expenses that are deducted from Fund
     assets):
     -----------------------------------------------------------------------------------------------
     Management Fee(d)(g)                             0.40%      0.40%        0.40%     0.40%
     -----------------------------------------------------------------------------------------------
     Distribution and/or Service (12b-1) Fees(e)      None       0.50%        0.50%     0.10%
     -----------------------------------------------------------------------------------------------
     Other Expenses (including transfer agency 
        fees) (f)                                     0.69%      0.64%        0.36%     0.72%
     ------------------------------------------------------------------------------------------------
     Total Annual Fund Operating Expenses (g)(h)      1.09%      1.54%        1.26%     1.22%
     -----------------------------------------------------------------------------------------------
</TABLE>
    
   
(a)  Class B shares automatically convert to Class D shares about ten years
     after you buy them and will no longer be subject to distribution fees.
    
   
(b) Some investors may qualify for reductions in the sales charge (load).
    
   
(c)  You may pay a deferred sales charge if you purchase $1 million or more and
     you redeem within one year.
    
   
(d)  The Fund pays the Investment Adviser a fee at the annual rate of 0.40% of
     the average daily net assets of the Fund. For the fiscal year ended October
     31, 1998, the Investment Adviser received a fee equal to 0.40% of the
     Fund's average daily net assets.
    
   
(e)  The Fund calls the "Service Fee" an "Account Maintenance Fee." Account
     Maintenance Fee is the term used elsewhere in this prospectus and in all 
     other Fund materials. If you hold Class B or Class C shares for a long 
     time, it may cost you more in distribution (12b-1) fees than the maximum 
     sales charge that you would have paid if you had bought one of the other 
     classes.
    
   
(f)  The Fund pays the Transfer Agent $11.00 for each Class A and Class D
     shareholder account and $14.00 for each Class B and Class C shareholder
     account and reimburses the Transfer Agent's out-of-pocket expenses. The
     Fund pays a 0.10% fee for certain accounts that participate in the Merrill
     Lynch Mutual Fund Advisor program. The Fund also pays a $0.20 monthly
     closed account charge, which is assessed upon all accounts that close
     during the year. This fee begins the month following the month the account
     is closed and ends at the end of the calendar year. For the fiscal year
     ended October 31, 1998, the Fund paid the Transfer Agent fees totaling
     $9,518. The Investment Adviser provides accounting services to the Fund at
     its cost. For the fiscal year ended October 31, 1998, the Fund reimbursed
     the Investment Adviser $37,878 for these services.
    
   
(g)  For the fiscal year ended October 31, 1998, Merrill Lynch Asset Management,
     L.P. ("MLAM") voluntarily waived a portion of the management fee due from
     the Fund and reimbursed the Fund for a portion of other expenses. As MLAM
     may discontinue its waiver of such fees and reimbursement of expenses, the
     table above has been restated to assume the absence of any such waiver or
     reimbursement. During the fiscal year ended October 31, 1998, MLAM waived
     management fees and reimbursed expenses totaling 0.33% for Class A shares,
     0.31% for Class B shares, 0.31% for Class C shares, and 0.33% for Class D
     shares after which the Fund's total expense ratio was 0.76% for Class A
     shares, 1.23% for Class B shares, 0.95% for Class C shares and 0.89% for
     Class D shares.
    
   
 (h) In addition, Merrill Lynch may charge clients a processing fee (currently
     $5.35) when a client buys or redeems shares.
    
   
 (i) The shares of the Fund in existence prior to its reorganization at the
     close of business on February 14, 1997 have been reclassified as Class D
     shares.
    

UNDERSTANDING
EXPENSES

Fund investors pay various fees and expenses, either directly or indirectly.
Listed below are some of the main types of expenses, which all mutual funds may
charge:

Expenses paid directly by the shareholder:

Shareholder fees -- fees paid directly from your investment. These include sales
charges which you may pay when you buy or sell shares of the Fund.

Expenses paid indirectly by the shareholder (These costs are deducted from the
Fund's total assets):

Annual Fund Operating Expenses -- expenses that cover the costs of operating the
Fund.

   
Management Fee -- a fee paid to the Investment Adviser for managing the Fund.
    
   
Distribution Fees -- fees used to support the Fund's marketing and distribution
efforts, such as compensating Financial Consultants.
    

Service (Account Maintenence Fees) -- fees used to compensate securities dealers
for account maintenance activities.


   
4                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

[GRAPHIC] Key Facts


Examples:

These examples are intended to help you compare the cost of investing in the
Fund with the cost of investing in other mutual funds.

These examples assume that you invest $10,000 in the Fund for the time periods
indicated, that your investment has a 5% return each year, that you pay the
sales charges, if any, that apply to the particular class and that the Fund's
operating expenses remain the same. This assumption is not meant to indicate you
will receive a 5% annual rate of return. Your annual return may be more or less
than the 5% used in this example. Although your actual costs may be higher or
lower, based on these assumptions your costs would be:

EXPENSES IF YOU DID REDEEM YOUR SHARES:

   
<TABLE>
<CAPTION>

                   1 Year          3 Years         5 Years        10 Years
- --------------------------------------------------------------------------------
<S>                <C>             <C>             <C>            <C>
  Class A           $210            $443            $695           $1,415
- --------------------------------------------------------------------------------

  Class B           $257            $486            $839           $1,835
- --------------------------------------------------------------------------------

  Class C           $228            $400            $692           $1,523
- --------------------------------------------------------------------------------

  Class D           $223            $483            $764           $1,563
- --------------------------------------------------------------------------------

<CAPTION>

EXPENSES IF YOU DID NOT REDEEM YOUR SHARES:
             
                   1 Year          3 Years         5 Years        10 Years
- --------------------------------------------------------------------------------
<S>                <C>             <C>             <C>            <C>
  Class A           $210            $443            $695           $1,415
- --------------------------------------------------------------------------------
                   
  Class B           $157            $486            $839           $1,835
- --------------------------------------------------------------------------------

  Class C           $128            $400            $692           $1,523
- --------------------------------------------------------------------------------

  Class D           $223            $483            $764           $1,563
- --------------------------------------------------------------------------------
</TABLE>
    

   
                 MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               5
    

<PAGE>

[GRAPHIC] Details About the Fund


HOW THE FUND INVESTS
- --------------------------------------------------------------------------------
   
The Fund's investment objective is to seek the highest possible current income
consistent with the protection of capital afforded by investing in
intermediate-term debt securities issued or guaranteed by the U.S. Government,
its agencies or instrumentalities with a maximum maturity not to exceed fifteen
years. In other words, the Fund's main goal is to generate current income. The
Fund tries to do this by investing in bonds and other debt securities that are
issued or guaranteed by the U.S. Government or U.S. Government agencies and
organizations. Under normal circumstances, the Fund will maintain a
dollar-weighted average maturity of six to eight years. We cannot guarantee that
the Fund will achieve its goals.
    
   
The Fund will invest in a variety of government securities. Certain securities,
such as U.S. Treasury obligations are direct obligations of the U.S. Government.
The Fund also invests in securities that are issued by government-sponsored
enterprises or agencies but are not direct obligations of the U.S. Government.
These securities are, however, backed by the credit of the particular agency or
government-sponsored enterprise that issued the securities and are generally
considered to have a low risk of default by the issuer.
    
   
The Fund may invest a portion of its assets in various types of mortgage backed
securities issued or guaranteed by government-sponsored enterprises such as the
Federal National Mortgage Association. Mortgage-backed securities are backed by
and are repaid from a pool of mortgage loans on residential or commercial real
estate. The actual yield and maturity of many mortgage backed securities will
vary as the underlying mortgages are paid off more rapidly in response to
falling interest rates or more slowly in response to rising interest rates.
    
   
The Fund may also invest in securities that provide a return based on an
interest rate or index. For example, the Fund may invest in a security that
increases in value with a rise in the price of a particular index. In some
cases, the return of the security may be inversely related to the price of the
index. This means that the value of the security will rise as the price of the
index falls and vice versa. Certain indexed securities can provide a degree of
leverage because they may increase or decrease at a greater rate than the price
of the index on which the security is based. Indexed securities also are subject
to the risks related to the underlying index.
    
   
The Fund may lend its portfolio securities under lending arrangements with
brokers, dealers and financial institutions. When lending portfolio securities,
the Fund will receive collateral in cash or securities issued or guaranteed by
the U.S. government equal to at least 100% of the market value of the loaned
    

ABOUT THE
PORTFOLIO MANAGER

   
Ralph A. DeCesare is a Director of the Investment Adviser and the portfolio
manager of the Fund. Mr. DeCesare has been a Vice President of the Investment
Adviser since 1993, was an Assistant Vice President from 1991 to 1993, and a
Credit Analyst from 1991 to 1993.
    


ABOUT THE
INVESTMENT ADVISER

The Fund is managed by
Merrill Lynch Asset Management.

   
6               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND.
    

<PAGE>

   
securities plus accrued interest. This collateral will be invested by the Fund
in short-term securities and the Fund will retain the income earned from these
investments. The Fund may enter into repurchase agreements with a member bank of
the Federal Reserve System or a primary dealer in the U.S. Government securities
or an affiliate of such dealer. The Fund may also purchase securities on a
when-issued basis or forward commitment basis or sell such securities for
delayed delivery.
    
   


    
       
INVESTMENT RISKS
- --------------------------------------------------------------------------------

This section contains a summary discussion of the general risks of investing in
the Fund. As with any mutual fund, there can be no guarantee that the Fund will
meet its goals or that the Fund's performance will be positive for any period of
time.

Interest Rate Risk--Prices of bonds generally increase when interest rates
decline and decrease when interest rates increase. This risk is known as
interest rate risk. Prices of longer term securities generally fluctuate more in
response to interest rate changes than do prices of shorter term securities.

   
Mortgage-Backed Securities--The value of mortgage-backed securities, like that
of traditional fixed-income securities, typically increases when interest rates
fall and decreases when interest rates rise. However, mortgage-backed securities
are also subject to the risk of prepayment. In a period of declining interest
rates, borrowers may pay what they owe on the underlying assets more quickly
than anticipated, which will reduce the yield to maturity and the average life
of the mortgage-
    
   
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND                7
    

<PAGE>

[GRAPHIC] Details About the Fund


   
backed securities. In addition, when the Fund reinvests the proceeds of a
prepayment it will likely receive an interest rate lower than the rate on the
security that was prepaid. In a period of rising interest rates, prepayments may
occur at a slower than expected rate. As a result, the average maturity of the
Fund's portfolio will increase. The value of long-term securities generally
changes more widely in response to changes in interest rates than short-term
securities.
    

   
Indexed and Inverse-Indexed Securities--The Fund may invest in securities whose
potential returns are directly related to changes in an underlying index or
interest rate, known as indexed securities. The return on indexed securities
will rise when the underlying index or interest rate rises and fall when the
index or interest rate falls. The Fund may also invest in securities whose
return is inversely related to changes in an interest rate. In general,
inverse-indexed securities change in value in a manner that is opposite to most
bonds-that is, interest rates on these securities will decrease when interest
rates increase in value and increase in value when interest rates decrease.
Investments in inverse-indexed securities may subject the Fund to the risks of
reduced or eliminated interest payments and losses of principal. In addition,
certain indexed securities and inverse-indexed securities may increase or
decrease in value at a greater rate than the underlying interest rate, which
effectively leverages the Fund's investment. As a result, the market value of
such securities will generally be more volatile than that of fixed rate
securities.
    
   
Securities Lending--Securities lending involves the risk that the borrower to
which the Fund has loaned its securities may not return the securities in a
timely manner or at all. As a result, the Fund may suffer costs and delay in
recovering the loaned securities. In addition, if the Fund does not get back the
securities it loaned and the value of the collateral the Fund received in return
or the loaned securities falls, the Fund could lose money.
    
   
When-Issued and Delayed-Delivery Securities--When-issued and delayed-delivery
securities involve the risk that the security the Fund buys will lose value
prior to its delivery to the Fund. There also is the risk that the security will
not be issued or that the other party will not meet its obligation, in which
case the Fund may lose the investment opportunity for the assets it has set
aside to pay for the security and any gain in the security's price. 
    

STATEMENT OF ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------
   
If you would like further information about the Fund, including how it invests,
please see the Statement of Additional Information.
    

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

8              MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND

<PAGE>

[GRAPHIC] Your Account


MERRILL LYNCH SELECT PRICING(Service Mark) SYSTEM
- --------------------------------------------------------------------------------

   
The Fund offers four share classes, each with its own sales charge and expense
structure, allowing you to invest in the way that best suits your needs. It
should be noted that Class C shares are available only through the Exchange
Privilege and may not be purchased except through exchange of Class C shares of
another Fund advised by the Investment Adviser. Each share class represents an
ownership interest in the same investment portfolio. When you choose your class
of shares you should consider the size of your investment and how long you plan
to hold your shares. Your Merrill Lynch Financial Consultant can help you
determine which share class is best suited to your personal financial goals.
    
   
For example, if you select Class A or D shares, you pay a sales charge at the
time of purchase. If you buy Class D shares, you also pay an ongoing account
maintenance fee of 0.10%. If you select Class B or C shares, you can invest the
full amount of your purchase price, but you will be subject to a distribution
fee and account maintenance fee payable over time and possibly a deferred sales
charge when you sell shares. You may be eligible for a sales charge waiver. See
below.
    
   
If you purchase Class B or C shares, you pay a distribution fee of 0.25% and an
account maintenance fee of 0.25% on an ongoing basis. Because these fees are
paid out of the Fund's assets on an ongoing basis, over time these fees increase
the cost of your investment and may cost you more than paying an initial sales
charge.
    
   
The Fund's shares are distributed by Merrill Lynch Funds Distributor, a division
of Princeton Funds Distributor, Inc., an affiliate of Merrill Lynch.
    

   
                 MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               9
    




<PAGE>

[GRAPHIC] Your Account


The table below summarizes key features of the 
Merrill Lynch Select Pricing(Service Mark) System.

   
<TABLE>
<CAPTION>

                      Class A                 Class B                Class C                Class D*             
- ------------------------------------------------------------------------------------------------------------------
<S>                   <C>                     <C>                    <C>                    <C>
 Availability         Limited to certain      Generally available    Generally available    Generally available  
                      investors including:    through Merrill        through Merrill        through Merrill      
                      o Current Class A       Lynch. Limited         Lynch. Limited         Lynch. Limited       
                        shareholders          availability through   availability through   availability through 
                      o Certain Retirement    other securities       other securities       other securities     
                        Plans                 dealers.               dealers. Class C       dealers.             
                      o Participants in                              shares are available                        
                        certain Merrill                              only through the                            
                        Lynch sponsored                              Exchange Privilege.                         
                        programs                                                                                 
                      o Certain affiliates                                                                       
                        of Merrill Lynch.                                                                        

- ------------------------------------------------------------------------------------------------------------------
                                                                                                                 
 Initial Sales        Yes. Payable at time    No. Entire purchase    No. Entire purchase    Yes. Payable at time 
 Charge?              of purchase. Lower      price is invested in   price is invested in   of purchase. Lower   
                      sales charges           shares of the Fund.    shares of the Fund.    sales charges        
                      available for larger                                                  available for larger 
                      investments.                                                          investments.         

- ------------------------------------------------------------------------------------------------------------------
                                                                      
 Deferred Sales       No. (May be charged     Yes. Payable if you    Yes. Payable if you    No. (May be charged  
 Charge?              for purchases over      redeem within one      redeem within one      for purchases over   
                      $1 million that are     year of purchase.      year of purchase.      $1 million that are  
                      redeemed within one                                                   redeemed within one  
                      year.)                                                                year.)               

- ------------------------------------------------------------------------------------------------------------------
                                                                        
Account               No.                     0.25% Account          0.25% Account          0.10% Account        
Maintenance and                               Maintenance Fee        Maintenance Fee        Maintenance Fee
Distribution Fees?                            0.25% Distribution     0.25% Distribution     No Distribution Fee.
                                              Fee.                   Fee.                                        

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

Conversion to         No.                     Yes, automatically     No.                    No.                     
Class D Shares?                               after approximately                                                
                                              ten years.                                                      

- ------------------------------------------------------------------------------------------------------------------
</TABLE>
    

   
* The shares of the Fund in existence prior to its reorganization at the close
of business on February 14, 1997 have been reclassified as Class D shares.
Although purchasers of Class D shares generally will pay an initial sales
charge, if you have held shares of the Fund since prior to its reorganization,
you will not pay any sales charge with respect to either your "reclassified"
Class D shares or any Class D shares you may purchase in the future. See page
[10] of the Fund's Statement of Additional Information.
    

   
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

Class A and Class D Shares -- Initial Sales Charge Options

If you select Class A or Class D shares, you will pay a sales charge at the time
of purchase.

   
<TABLE>
<CAPTION>
                                                                      Dealer
                                                                   Compensation
                               As a % of          As a % of          as a % of
Your Investment              Offering Price    Your Investment*  Offering Price
- --------------------------------------------------------------------------------
<S>                          <C>               <C>               <C>
Less than $100,000              1.00%             1.01%             0.95%
- --------------------------------------------------------------------------------
 
$100,000 but less than
 $250,000                        0.75%             0.76%             0.70%
- --------------------------------------------------------------------------------

 $250,000 but less than
 $500,000                        0.50%             0.50%             0.45%
- --------------------------------------------------------------------------------

 $500,000 but less than
 $1,000,000                      0.30%             0.30%             0.27%
- --------------------------------------------------------------------------------

 $1,000,000 and over**           0.00%             0.00%             0.00%
- --------------------------------------------------------------------------------
</TABLE>
    

  *  Rounded to the nearest one-hundredth percent.

   
**   If you invest $1,000,000 or more in Class A or Class D shares, you may not
     pay an initial sales charge. However, if you redeem your shares within one
     year after purchase, you may be charged a deferred sales charge. This
     charge is 0.20% of the lesser of the original cost of the shares being
     redeemed or your redemption proceeds. A sales charge of 0.30% 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.
    

No initial sales charge applies to Class A or Class D shares that you buy
through reinvestment of dividends or distributions.

A reduced or waived sales charge on a purchase of Class A or Class D shares may
apply for: 

         o Purchases under a Right of Accumulation or Letter of Intent.

         o Merrill Lynch Blueprint(Service Mark) Program participants.

         o TMA(Service Mark) Managed Trusts.

         o Certain Merrill Lynch investment or central asset accounts.

         o Certain employer-sponsored retirement or savings plans.

         o Purchases using proceeds from the sale of certain Merrill Lynch
           closed-end funds under certain circumstances.


Right of Accumulation -- permits you to pay the sales charge that would apply to
the cost or value (whichever is higher) of all shares you own in the Merrill
Lynch mutual funds that offer Select Pricing options.

Letter of Intent -- permits you to pay the sales charge that would be applicable
if you add up all shares of Merrill Lynch Select Pricing System funds that you
agree to buy within a 13 month period. Certain restrictions apply.


   
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               11
    

<PAGE>

[GRAPHIC] Your Account


         o Certain investors, including directors of Merrill Lynch mutual funds
           and Merrill Lynch employees.

         o Certain Merrill Lynch fee-based programs.

Only certain investors are eligible to buy Class A shares. Your Merrill Lynch
Financial Consultant can help you determine whether you are eligible to buy
Class A shares or to participate in any of these programs.

If you decide to buy shares under the initial sales charge alternative and you
are eligible to buy both Class A and Class D shares, you should buy Class A
since Class D shares are subject to an account maintenance fee, while Class A
shares are not.

If you redeem Class A or Class D shares and within 30 days buy new shares of the
same class, you will not pay a sales charge on the new purchase amount. The
amount eligible for this "Reinstatement Privilege" may not exceed the amount of
your redemption proceeds. To exercise the privilege, contact your Merrill Lynch
Financial Consultant or the Fund's Transfer Agent at 1-800-MER-FUND.

Class B and Class C Shares -- Deferred Sales Charge Options

   
If you select Class B or Class C shares, you do not pay an initial sales charge
at the time of purchase. However, if you redeem your Class B shares or your
Class C shares within one year after purchase, you may be required to pay a
deferred sales charge. You will also pay distribution fees of 0.25% and account
maintenance fees of 0.25% each year. Because these fees are paid out of the
Fund's assets on an ongoing basis, over time these fees increase the cost of
your investment and may cost you more than paying an initial sales charge. The
Distributor uses the money that it receives from the deferred sales charges and
the distribution fees to cover the costs of marketing, advertising and
compensating the Merrill Lynch Financial Consultant or other securities dealer
who assists you in purchasing Fund shares.
    
   
If you redeem Class B or Class C shares within one year after purchase, you may
be charged a deferred sales charge of 1.00%. The percentage charge will apply to
the lesser of the original cost of the shares being redeemed or the proceeds of
your redemption. Shares acquired through reinvestment of dividends or
distributions are not subject to a deferred sales charge. Not all
    

   
12               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND              
    

<PAGE>

Merrill Lynch funds have identical deferred sales charge schedules. If you
exchange your shares for shares of another fund, the higher charge will apply.

   
Class B Shares
    

   
The deferred sales charge relating to Class B shares will be reduced or waived
in certain circumstances, such as:
    
         o Certain post-retirement withdrawals from an IRA or other retirement
           plan if you are over 59 1/2 years old.

         o Redemption by certain eligible 401(a) and 401(k) plans and group
           plans participating in the Merrill Lynch Blueprint Program and
           certain retirement plan rollovers.

         o Redemption in connection with participation in certain Merrill Lynch
           fee-based programs.

         o Withdrawals resulting from shareholder death or disability as long as
           the waiver request is made within one year of death or disability or,
           if later, reasonably promptly following completion of probate.

   

         o Withdrawal through the Merrill Lynch Systematic Withdrawal Plan of up
           to 10% per year of your Class B account value at the time the plan is
           established.
    

   
         o Withdrawals resulting from closure by Merrill Lynch of the account in
           which shares of the Fund are held.
    
   
Your Class B shares convert automatically into Class D shares approximately ten
years after purchase. Any Class B shares received through reinvestment of
dividends or distributions paid on converting shares will also convert at that
time. Class D shares are subject to lower annual expenses than Class B shares.
The conversion of Class B to Class D shares is not a taxable event for federal
income tax purposes.
    
   
Different conversion schedules apply to Class B shares of different Merrill
Lynch mutual funds. For example, Class B shares of a fixed-income fund convert
approximately ten years after purchase compared to approximately eight years for
equity funds. If you exchange Class B shares with a ten-year conversion schedule
for Class B shares with an eight year conversion schedule, or vice versa, the
conversion schedule applicable to the Class B
    

   
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               13
    

<PAGE>

[GRAPHIC] Your Account

   
shares acquired in the exchange will apply. If you acquire your Class B shares
in an exchange from another fund, the Fund's ten-year conversion schedule will
apply. If you exchange your Class B shares in the Fund for Class B shares of
another fund, the other fund's conversion schedule will apply. The length of
time that you hold both the original and exchanged Class B shares in both funds
will count toward the conversion schedule. The conversion schedule may be
modified in certain other cases as well.
    
   
Class C Shares
    
   
The deferred sales charge relating to Class C shares may be waived in connection
with certain Merrill Lynch fee-based programs or a systematic withdrawal plan or
in connection with withdrawals resulting from closure by Merrill Lynch of the
account in which shares of the Fund are held. Class C shares do not offer a
conversion privilege.
    



HOW TO BUY, SELL, TRANSFER AND EXCHANGE SHARES
- --------------------------------------------------------------------------------

The chart below summarizes how to buy, sell, transfer and exchange shares
through Merrill Lynch or other securities dealers. You may also buy shares
through the Transfer Agent. To learn more about buying shares through the
Transfer Agent, call 1-800-MER-FUND. Because the selection of a mutual fund
involves many considerations, your Merrill Lynch Financial Consultant may help
you with this decision.


   
14               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

   
<TABLE>
<CAPTION>

If You Want to          Your Choices             Information Important for You to Know
- -------------------------------------------------------------------------------------------------------------
<S>                     <C>                      <C>
Buy Shares              First, select the        Refer to the Merrill Lynch Select Pricing table on page 19.  
                        share class              Be sure to read this prospectus carefully.                   
                        appropriate for you                                                                   
                        -------------------------------------------------------------------------------------
                        Next, determine the      The minimum initial investment for the Fund is $1,000 for     
                        amount of your           all accounts except:                                          
                        investment                                                                             
                                                   o $500 for Employee AccessSM Accounts                       
                                                   o $250 for certain Merrill Lynch fee-based programs         
                                                   o $100 for Merrill Lynch BlueprintSM Program                
                                                   o $100 for retirement plans                                 
                                                                                                               
                                                 (The minimums for initial investments may be waived or        
                                                 reduced under certain circumstances.)                         
                        -------------------------------------------------------------------------------------
                        Have your Merrill        The price of you shares is based on next calculation of net    
                        Lynch Financial          asset value after your order is placed. Any purchase orders    
                        Consultant or            received by Merrill Lynch from a securities dealer within      
                        securities dealer        thirty minutes after the close of business on the New York     
                        submit your purchase     Stock Exchange (generally 4:00 p.m. Eastern time) will be      
                        order                    priced at the net asset value determined that day.             
                                                                                             
                                                 Purchase orders received after that time will be priced at     
                                                 the net asset value determined on the next business day. The   
                                                 Fund may reject any order to buy shares and may suspend the    
                                                 sale of shares at any time. Merrill Lynch may charge a         
                                                 processing fee to confirm a purchase. This fee is currently    
                                                 $5.35.                                                         
                        -------------------------------------------------------------------------------------
                        Or contact the           You can purchase shares by calling the Transfer Agent to       
                        Transfer Agent           request an application and making a purchase order directly    
                                                 to the Transfer Agent at the address on the inside back        
                                                 cover of this prospectus.                                      
- -------------------------------------------------------------------------------------------------------------
Add to Your             Purchase additional      The minimum investment for additional purchases is $50.00      
Investment              shares                   for all accounts except that retirement plans have a minimum   
                                                 additional purchase of $1                                      
                                                                                             
                                                 (The minimums for additional purchases may be waived under     
                                                 certain circumstances.)                                        
                        -------------------------------------------------------------------------------------
                        Acquire additional       All dividends and capital gains distributions are              
                        shares through the       automatically reinvested without a sales charge.               
                        automatic dividend                                                                     
                        reinvestment plan                                                                      
                        -------------------------------------------------------------------------------------
                        Participate in the       You may invest a specific amount on a periodic basis through        
                        automatic investment     certain Merrill Lynch investment or central asset accounts.         
                        plan                       
- -------------------------------------------------------------------------------------------------------------
Transfer Shares to      Transfer to a            You may transfer your Fund shares only to another securities    
Another Securities      participating            dealer that has entered into an agreement with Merrill          
Dealer                  securities dealer        Lynch. All shareholder services will be available for the       
                                                 transferred shares. You may only purchase additional shares  
                                                 of funds previously owned before the transfer. All future    
                                                 trading of these assets must be coordinated by the receiving 
                                                 firm.                                                        
- -------------------------------------------------------------------------------------------------------------
</TABLE>
    

   
      MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND                        15
    

<PAGE>

[GRAPHIC] Your Account


   
<TABLE>
<CAPTION>

If You Want to          Your Choices             Information Important for You to Know
- -------------------------------------------------------------------------------------------------------------
<S>                     <C>                      <C>
Transfer Shares to      Transfer to a            You must either:                                              
Another Securities      non-participating        o Transfer your shares to an account with the Transfer        
Dealer (continued)      securities dealer          Agent; or                                                   
                                                 o Sell your shares
- -------------------------------------------------------------------------------------------------------------
Sell Your Shares        Have your Merrill        The price of your shares is based on the next calculation of         
                        Lynch Financial          net asset value after your order is placed. For your                 
                        Consultant or            request, you must submit your request to your dealer within   
                        securities dealer        fifteen minutes after that day's close of business on the     
                        submit your sales        New York Stock Exchange (generally 4:00 p.m. Eastern time).   
                        order                    Any redemption request placed from a dealer after that time   
                                                 will be priced at the net asset value at the close of         
                                                 business on the next business day. Dealers must submit        
                                                 redemption requests to the Fund not more than thirty minutes  
                                                 after the close of business on the New York Stock Exchange.   
                                                                                                               
                                                 Securities dealers, including Merrill Lynch, may charge a     
                                                 fee to process a redemption of shares. Merrill Lynch          
                                                 currently charges a fee of $5.35. No processing fee is        
                                                 charged if you redeem shares held by the Transfer Agent.      
                                                                                               
                                                 The Fund may reject an order to sell shares under certain     
                                                 circumstances.                                                
- -------------------------------------------------------------------------------------------------------------
                        Sell through the         You may sell shares held at the Transfer Agent by writing to  
                        Transfer Agent           the Transfer Agent at the address on the inside back cover    
                                                 of this prospectus. All shareholders on the account must      
                                                 sign the letter and signatures must be guaranteed. If you     
                                                 hold stock certificates, return the certificates with the     
                                                 letter. The Transfer Agent will normally mail redemption      
                                                 proceeds within seven days following receipt of a properly    
                                                 completed request. If you make a redemption request before    
                                                 the Fund has collected payment for the purchase of shares,    
                                                 the Fund or the Transfer Agent may delay mailing your         
                                                 proceeds. This delay will usually not exceed ten days.        
                                                                                                               
                                                 If you hold share certificates, they must be delivered to     
                                                 the Transfer Agent before they can be converted. Check with   
                                                 the Transfer Agent or your Merrill Lynch Financial            
                                                 Consultant for details.                                       
- -------------------------------------------------------------------------------------------------------------
</TABLE>
    


   
16     MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND

    
   

<PAGE>


    
   
<TABLE>
<CAPTION>

If You Want to          Your Choices             Information Important for You to Know
- -------------------------------------------------------------------------------------------------------------
<S>                     <C>                      <C>
Sell Shares             Participate in the       You can choose to receive systematic payments from your Fund  
Systematically          Fund's Systematic        account either by check or through direct deposit to your     
                        Withdrawal Plan          bank account on a monthly or quarterly basis. If you have a   
                                                 Merrill Lynch CMA(R), CBA(R) or Retirement Account you can    
                                                 arrange for systematic redemptions of a fixed dollar amount   
                                                 on a monthly, bi-monthly, quarterly, semi-annual or annual    
                                                 basis, subject to certain conditions. Under either method     
                                                 you must have dividends and other distributions               
                                                 automatically reinvested. For Class B and C shares your       
                                                 total annual withdrawals cannot be more than 10% per year of  
                                                 the value of your shares at the time your plan is             
                                                 established. The deferred sales charge is waived for          
                                                 systematic redemptions. Ask your Merrill Lynch Financial      
                                                 Consultant for details.                                       
- -------------------------------------------------------------------------------------------------------------
Exchange Your Shares    Select the fund into     You can exchange your shares of the Fund for shares of many   
                        which you want to        other Merrill Lynch mutual funds. You must have held the      
                        exchange. Be sure to     shares used in the exchange for at least 15 calendar days     
                        read that fund's         before you can exchange to another fund.                      
                        prospectus                                                                             
                                                 Each class of Fund shares is generally exchangeable for       
                                                 shares of the same class of another fund. If you own Class A  
                                                 shares and wish to exchange into a fund in which you have no  
                                                 Class A shares, you will exchange into Class D shares.        
                                                                     
                                                 Some of the Merrill Lynch mutual funds impose a different     
                                                 initial or deferred sales charge schedule. If you exchange    
                                                 Class A or D shares for shares of a fund with a higher        
                                                 initial sales charge than you originally paid, you will be    
                                                 charged the difference at the time of exchange. If you        
                                                 exchange Class B shares for shares of a fund with a           
                                                 different deferred sales charge schedule, the higher          
                                                 schedule will apply. The time you hold Class B or C shares    
                                                 in both funds will count when determining your holding        
                                                 period for calculating a deferred sales charge at             
                                                 redemption. If you exchange Class A or D shares for money     
                                                 market fund shares, you will receive Class A shares of        
                                                 Summit Cash Reserves Fund. Class B or C shares of the Fund    
                                                 will be exchanged for Class B shares of Summit.               
                                                                     
                                                 Although there is currently no limit on the number of         
                                                 exchanges that you can make, the exchange privilege may be    
                                                 modified or terminated at any time in the future.             
</TABLE>
    

   
      MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND                         17
    

<PAGE>

[GRAPHIC] Your Account


HOW SHARES ARE PRICED
- --------------------------------------------------------------------------------

When you buy shares, you pay the net asset value, plus any applicable sales
charge. This is the offering price. Shares are also redeemed at their net asset
value, minus any applicable deferred sales charge. The Fund calculates its net
asset value (generally by using market quotations) each day the New York Stock
Exchange is open, fifteen minutes after the close of business on the Exchange
(the Exchange generally closes at 4:00 p.m. Eastern time). The net asset value
used in determining your price is the one calculated after your purchase or
redemption order is placed. Foreign securities owned by the Fund may trade on
weekends or other days when the Fund does not price its shares. As a result, the
Fund's net asset value may change on days when you will not be able to purchase
or redeem the Fund's shares. 

Generally, Class A shares will have the highest net asset value because that
class has the lowest expenses, and Class D shares will have a higher net asset
value than Class B or Class C shares. Also dividends paid on Class A and Class D
shares will generally be higher than dividends paid on Class B and Class C
shares because Class A and Class D shares have lower expenses.




PARTICIPATION IN MERRILL LYNCH FEE-BASED PROGRAMS
- --------------------------------------------------------------------------------

If you participate in certain fee-based programs offered by Merrill Lynch, you
may be able to buy Class A shares at net asset value, including by exchanges
from other share classes. Sales charges on the shares being exchanged may be
reduced or waived under certain circumstances. 

You generally cannot transfer shares held through a fee-based program into
another account. Instead, you will have to redeem your shares held through the
program and purchase shares of another class, which may be subject to
distribution and account maintenance fees. This may be a taxable event and you
will pay any applicable sales charges. 

If you leave one of these programs, your shares may be redeemed or automatically
exchanged into another class of Fund shares or into a money market fund. The
class you receive may be the class you originally owned when you entered the
program, or in certain cases, a different class. If the exchange is into Class B
shares, the period before conversion to Class D shares may be modified. Any
redemption or exchange will be at net asset value. However, if you participate
in the program for less than a specified period, you may be charged a fee in
accordance with the terms of the program.

Net Asset Value -- the market value of the Fund's total assets after deducting
liabilities, divided by the number of shares outstanding.


   
18               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>

Details about these features and the relevant charges are included in the client
agreement for each fee-based program and are available from your Merrill Lynch
Financial Consultant.


DIVIDENDS, CAPITAL GAINS AND TAXES
- --------------------------------------------------------------------------------


   
The Fund will distribute any net investment income monthly, and any net realized
capital gains annually. If your account is with Merrill Lynch and you would like
to receive dividends and distributions in cash, contact your Merrill Lynch
Financial Consultant. If your account is with the Transfer Agent and you would
like to receive dividends and distributions in cash, contact the Transfer Agent.
    

You will pay tax on dividends and distributions from the Fund whether you
receive them in cash or additional shares. If you redeem Fund shares or exchange
them for shares of another fund, any gain on the transaction may be subject to
tax. The Fund intends to make distributions that will either be taxed as
ordinary income or capital gains. Capital gains are taxed at different rates
than ordinary income.

If you are neither a lawful permanent resident nor a citizen of the U.S. or if
you are a foreign entity, the Fund's ordinary income dividends (which include
distributions of net short-term capital gains) will generally be subject to a
30% U.S. withholding tax, unless a lower treaty rate applies.

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 United States may reduce or eliminate such taxes.

By law, the Fund must withhold 31% of your distributions and proceeds if you
have not provided a taxpayer identification number or social security number.

This section summarizes some of the consequences under current federal tax law
of an investment in the Fund. It is not a substitute for personal tax advice.
Consult your personal tax adviser about the potential tax consequences of an
investment in the Fund under all applicable tax laws.

Dividends -- income paid to shareholders. Dividends may be reinvested in
additional Fund shares as they are paid.

Distributions -- capital gains paid to shareholders. Distributions may be
reinvested in additional Fund shares as they are paid.

"BUYING A DIVIDEND"

Unless your investment is in a tax-deferred account, you may want to avoid
buying shares shortly before the Fund pays a dividend or distribution. The
reason? If you buy shares when a fund has realized but not yet distributed
income or capital gains, you will pay the full price for the shares and then
receive a portion of the price back in the form of a taxable distribution.
Before investing you may want to consult your tax adviser.

                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND               19

<PAGE>

[GRAPHIC] Management of the Fund


MERRILL LYNCH ASSET MANAGEMENT
- --------------------------------------------------------------------------------

   
Merrill Lynch Asset Management, the Fund's Investment Adviser, manages
the Fund's investments and its business operations under the overall supervision
of the Fund's Board of Trustees. The Investment Adviser has the responsibility
for making all investment decisions for the Fund. The Investment Adviser has a
sub-advisory agreement with Merrill Lynch Asset Management U.K. Limited, an
affiliate, under which the Investment Adviser may pay a fee for services it
receives. The Fund pays the Investment Adviser a fee at the annual rate of 0.40%
of the average daily net assets of the Fund. For the fiscal year ended October
31, 1998 the Investment Adviser received a management fee of $150,322 (based on
average daily net assets of approximately $37.7 million), $122,202 of which the
Investment Adviser voluntarily reimbursed to the Fund.
    
   
Merrill Lynch Asset Management is part of Merrill Lynch Asset Management Group,
which had approximately $[ ] billion in investment company and other portfolio
assets under management as of December 1998. This amount includes assets managed
for Merrill Lynch affiliates.
    

A Note About Year 2000

   
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"). The Fund could be adversely
affected if the computer systems used by the Fund's management or other Fund
service providers do not properly address this problem before January 1, 2000.
The Fund's management expects to have addressed this problem before then, and
does not anticipate that the services it provides will be adversely affected.
The Fund's other service providers have told the Fund management that they also
expect to resolve the Year 2000 Problem, and the Fund's management will continue
to monitor the situation as the Year2000 approaches. However, if the problem has
not been fully addressed, the Fund could be negatively affected. The Year 2000
Problem could also have a negative impact on the companies in which the Fund
invests, and this could hurt the Fund's investment returns.
    

   
20              MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
    

<PAGE>


                      This Page Intentionally Left Blank



               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND



<PAGE>


[GRAPHIC] Management of the Fund

FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------

   
The financial highlights table is intended to help you understand the Fund's
financial performance for the past five years. Certain information reflects
financial results for a single Fund share. The total returns in the table
represent the rate that an investor would have earned on an investment in the
Fund (assuming reinvestment of all dividends and distributions). This
information has been audited by Deloitte & Touche LLP, whose report, along with
the Fund's financial statements, are included in the Fund's annual report to 
shareholders, which is available upon request. 
    
   
In connection with its reorganization at the close of business on February 14,
1997, the Fund changed its investment objective. For the period from the
commencement of the Fund's operations through its reorganization at the close
of business on February 14, 1997, the portfolio of the Fund has consisted
primarily of securities issued by the U.S. Government and its agencies and
instrumentalities. The average maturity of the Fund's portfolio during this
period (generally ranging from two to five years) has been somewhat shorter
than the average maturity of the Fund of six to eight years following the
change in its investment objective upon its reorganization. As a result, the
financial information in the table below for operations of the Fund prior to
its reorganization may not be indicative of its performance following its
reorganization.
    

   
<TABLE>
<CAPTION>


                                                         Class A                          Class B             
                                            ------------------------------------------------------------------
                                               For the       For the period     For the       For the period   
   Increase (Decrease) in                     Year Ended     Feb. 18, 1997+    Year Ended     Feb. 18, 1997+  
   Net Asset Value:                         Oct. 31, 1998   to Oct. 31, 1997  Oct. 31, 1998  to Oct. 31, 1997 
- --------------------------------------------------------------------------------------------------------------
<S>                                           <C>              <C>              <C>               <C>         

   Per Share Operating Performance:
   Net asset value, beginning of period       $    9.74        $   9.66         $    9.74         $  9.66     

   Investment income--net                           .59             .39               .54             .57     

   Realized and unrealized
   gain on investments--net                         .37             .08               .37             .08     

   Total from investment operations                 .96             .47               .91             .45     

   Less dividends from investment
   income--net                                     (.59)           (.39)             (.54)           (.37)    

   Net asset value, end of period             $   10.11        $   9.74         $   10.11         $  9.14     

   Total Investment Return**

   Based on net asset value per share             10.23%           5.04%#            9.68%           4.81%#   

   Ratios to Average Net Assets
   Expenses, net of reimbursement                   .76%           1.12%*            1.23%           1.39%*   

   Expenses                                        1.09            2.08%*            1.54%           2.42%*   

   Investment income--net                          5.99%           5.95%*            5.34%           5.69%*   

   Supplemental Data
   Net assets, end of period 
     (in thousands)                              $1,905           $ 425           $39,975            $829        
- --------------------------------------------------------------------------------------------------------------
   Portfolio turnover                            108.06%         201.55%           108.06%         201.55%    


<CAPTION>

                                                         Class C
                                           ---------------------------------
                                               For the       For the period
   Increase (Decrease) in                     Year Ended     Feb. 18, 1997+
   Net Asset Value:                          Oct. 31, 1998  to Oct. 31, 1997
- ----------------------------------------------------------------------------
<S>                                           <C>             <C>      
   Per Share Operating Performance:
   Net asset value, beginning of period       $    9.73       $    9.66

   Investment income--net                           .57             .36

   Realized and unrealized
   gain (loss) on investments--net                  .38             .07

   Total from investment operations                 .95             .43

   Less dividends from investment
   income--net                                     (.57)           (.36)

   Net asset value, end of period             $   10.21       $    9.73

   Total Investment Return**

   Based on net asset value per share             10.05%           4.57%#

   Ratios to Average Net Assets
   Expenses, net of reimbursement                   .95%           1.47%*

   Expenses                                        1.26%           2.64%*

   Investment income--net                          5.54%           5.55%*

   Supplemental Data
   Net assets, end of period 
     (in thousands)                           $4,674          $   47
- -------------------------------------------------------------------------------
   Portfolio turnover                            108.06%         201.55%

</TABLE>
    

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



22                 MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND



<PAGE>


<TABLE>
<CAPTION>

                                                                            Class D
                                         ---------------------------------------------------------------------------------
                                                                For the Year Ended October 31,
                                         ---------------------------------------------------------------------------------
Increase (Decrease) in
Net Asset Value:                               1998             1997           1996           1995               1994
- --------------------------------------------------------------------------------------------------------------------------
<S>                                        <C>              <C>            <C>            <C>               <C>        
Per Share Operating Performance:
- --------------------------------------------------------------------------------------------------------------------------
Net asset value, beginning of period       $      9.74      $    9.68      $    9.82      $      9.60       $     10.31
- --------------------------------------------------------------------------------------------------------------------------
Investment income--net                             .58            .55            .61              .62               .55
- --------------------------------------------------------------------------------------------------------------------------
Realized and unrealized
gain (loss) on investments--net                    .37            .06           (.14)             .22              (.71)
- --------------------------------------------------------------------------------------------------------------------------
Total from investment operations                   .95            .61            .47              .84              (.16)
- --------------------------------------------------------------------------------------------------------------------------
Less dividends from investment
income--net                                       (.58)          (.55)          (.61)            (.62)             (.55)
- --------------------------------------------------------------------------------------------------------------------------
Total Investment Return*
- --------------------------------------------------------------------------------------------------------------------------
Net asset value, end of period             $     10.11      $    9.74      $    9.68      $      9.82       $      9.60
- --------------------------------------------------------------------------------------------------------------------------
Based on net asset value per share               10.12%          6.60%          4.87%            9.00%            (1.54)%
- --------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets
- --------------------------------------------------------------------------------------------------------------------------
Expenses, net of reimbursement                     .89%          1.25%           .97%             .96%              .83%
- --------------------------------------------------------------------------------------------------------------------------
Expenses                                          1.22%          1.69%           .97%             .96%              .83%
- --------------------------------------------------------------------------------------------------------------------------
Investment income--net                            5.94%          5.71%          6.19%            6.38%             5.55%
- --------------------------------------------------------------------------------------------------------------------------
Supplemental Data
- --------------------------------------------------------------------------------------------------------------------------
Net assets,end of period (in thousands)    $    34,408      $  28,805      $  47,281      $    65,139          $ 81,407
- --------------------------------------------------------------------------------------------------------------------------
Portfolio turnover                              108.06%        201.55%         51.44%           47.90%           172.51%
- --------------------------------------------------------------------------------------------------------------------------
</TABLE>


   
*   Total investment returns exclude the effects of sales loads.
    

               MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND           23




<PAGE>

[GRAPHIC] Management of the Fund


                                   POTENTIAL
                                   INVESTORS

                         Open an account (two options).


                                       1
                                  MERRILL LYNCH
                              FINANCIAL CONSULTANT
                              OR SECURITIES DEALER

                Advises shareholders of their Fund investments.


                                       2
                                 TRANSFER AGENT

                          Financial Data Services, Inc.
                                 P.O. Box 45289
                        Jacksonville, Florida 32232-5289

                 Performs recordkeeping and reporting services.


                                   DISTRIBUTOR

                        Merrill Lynch Funds Distributor,
                 a division of Princeton Funds Distributor, Inc.
                                  P.O. Box 9081
                        Princeton, New Jersey 08543-9081

                      Arranges for the sale of Fund shares.


                                    THE FUND

                             The Board of Trustees
                               oversees the Fund.


                                     COUNSEL

                               ROGERS & WELLS LLP
                                 200 Park Avenue
                            New York, New York 10166

                       Provides legal advice to the Fund.


                                    CUSTODIAN

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

                   Holds the Fund's assets for safekeeping.


                              INDEPENDENT AUDITORS

                              Deloitte & Touche LLP
                                117 Campus Drive
                        Princeton, New Jersey 08540-6400

                              Audits the financial
                       statements of the Fund on behalf of
                                the shareholders.


                               INVESTMENT ADVISER

                               Merrill Lynch Asset
                                Management, L.P.

                             ADMINISTRATIVE OFFICES
                             800 Scudders Mill Road
                          Plainsboro, New Jersey 08536

                                 MAILING ADDRESS
                                  P.O. Box 9011
                        Princeton, New Jersey 08543-9011

                                TELEPHONE NUMBER
                                 1-800-MER-FUND

                   Manages the Fund's day-to-day activities.


24              MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND

<PAGE>


[GRAPHIC] For More Information                            [LOGO] Merrill Lynch 
                                                                               
                     
                                                                 Merrill Lynch 
                                                                  Intermediate 
                                                               Government Bond 
                                                                          Fund 
    

Shareholder Reports                                       

Additional information about the Fund's investments is available in the Fund's
annual and semi-annual reports to shareholders. In the Fund's annual report you
will find a discussion of the market conditions and investment strategies that
significantly affected the Fund's performance during its last fiscal year.
You may obtain these reports at no cost by calling 1-800-MER-FUND.

The Fund will send you one copy of each shareholder report and certain other
mailings, regardless of the number of Fund accounts you have. To receive
separate shareholder reports for each account, call your Merrill Lynch Financial
Consultant or write to the Transfer Agent at its mailing address. Include your
name, address, tax identification number and Merrill Lynch brokerage or mutual
fund account number. If you have any questions, please call your Merrill Lynch
Financial Consultant or the Transfer Agent at 1-800-MER-FUND.

Statement of Additional Information

The Fund's Statement of Additional Information contains further information
about the Fund and is incorporated by reference (legally considered to be part
of this prospectus). You may request a free copy by writing the Fund at
Financial Data Services, Inc. P.O. Box 45289 Jacksonville, Florida 32232-5289 or
by calling 1-800-MER-FUND.

Contact your Merrill Lynch Financial Consultant or the Fund at the telephone
number or address indicated on the inside back cover of this prospectus if you
have any questions.

Information about the Fund (including the Statement of Additional Information)
can be reviewed and copied at the SEC's Public Reference Room in Washington,
D.C. Call 1-800-SEC-0330 for information on the operation of the public
reference room. This information is also available on the SEC's Internet site at
http://www.sec.gov and copies may be obtained upon payment of a duplicating fee
by writing the Public Reference Section of the SEC, Washington, D.C. 20549-6009.


You should rely only on the information contained in this prospectus. No one is
authorized to provide you with information that is different.


   
Investment Company Act file #811-4839
Code #10431-0298
(Copyright)Fund Asset Management, L.P.                       February   , 1999
    

<PAGE>

Information contained herein is subject to completion or amendment. A
registration statement relating to these securities has been filed with the
Securities and Exchange Commission. These securities may not be sold nor may
offers to buy be accepted prior to the time the registration statement becomes
effective. This prospectus shall not constitute an offer to sell or the
solicitation of an offer to buy nor shall there be any sale of these securities
in any State in which such offer, solicitation or sale would be unlawful prior
to registration or qualification under the securities laws of such State.

   
                SUBJECT TO COMPLETION, DATED DECEMBER 31, 1998
               PRELIMINARY STATEMENT OF ADDITIONAL INFORMATION
    
 
                      STATEMENT OF ADDITIONAL INFORMATION
 
   
                MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
   P.O. Box 9011, Princeton, New Jersey 08543-9011 o Phone No. (609) 282-2800
    
 
                            ------------------------
 
   
     Merrill Lynch Intermediate Government Bond Fund (the "Fund") is a
diversified mutual fund that seeks the highest possible current income
consistent with the protection of capital afforded by investing in intermediate-
term debt securities issued or guaranteed by the U.S. Government, its agencies
or instrumentalities with a maximum maturity not to exceed fifteen years. Under
normal circumstances, all or substantially all of the Fund's assets will be
invested in such securities. Under normal market conditions, the Fund will
maintain a dollar-weighted average maturity of six to eight years. There can be
no assurance that the Fund's investment objective will be achieved.
    
 
   
     Pursuant to the Merrill Lynch Select Pricing(Service Mark) System, the Fund
offers four classes of shares, each with a different combination of sales
charges, ongoing fees and other features. Class C shares of the Fund are
available only through the Exchange Privilege. The Merrill Lynch Select
Pricing(Service Mark) System permits an investor to choose the method of
purchasing shares that the investor believes is most beneficial given the amount
of the purchase, the length of time the investor expects to hold the shares and
other relevant circumstances. See "Purchase of Shares."
    
 
                            ------------------------
 
   
     This Statement of Additional Information of the Fund is not a prospectus
and should be read in conjunction with the Prospectus of the Fund (the
"Prospectus") dated February [  ], 1999, which has been filed with the
Securities and Exchange Commission (the "Commission") and can be obtained,
without charge, by calling (800) 637-3863 or by writing the Fund at the above
address. The Prospectus is incorporated by reference into this Statement of
Additional Information, and this Statement of Additional Information is
incorporated into the Prospectus.
    
 
                            ------------------------
 
              MERRILL LYNCH ASSET MANAGEMENT -- INVESTMENT ADVISER
                 MERRILL LYNCH FUNDS DISTRIBUTOR -- DISTRIBUTOR
 
                            ------------------------
 
   
  The date of this Statement of Additional Information is February [  ], 1999.
    

<PAGE>
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                                                                                              PAGE
                                                                                                              ----
<S>                                                                                                           <C>
Investment Objectives and Policies.........................................................................     2
Risk Factors and Special Considerations....................................................................     2
  Investment Restrictions..................................................................................     2
Management of the Fund.....................................................................................     5
  Trustees and Officers....................................................................................     5
  Compensation of Trustees.................................................................................     7
  Management and Advisory Arrangements.....................................................................     8
  Code of Ethics...........................................................................................     9
Purchase of Shares.........................................................................................    10
  Initial Sales Charge Alternatives--Class A and Class D Shares............................................    11
  Reduced Initial Sales Charges............................................................................    12
  Deferred Sales Charge Alternatives--Class B and Class C Shares...........................................    15
  Distribution Plans.......................................................................................    18
  Employer-Sponsored Retirement or Savings Plans and Certain Other Arrangements............................    18
  Limitations on the Payment of Deferred Sales Charges.....................................................    20
Redemption of Shares.......................................................................................    21
  Redemption...............................................................................................    21
  Repurchase...............................................................................................    21
  Reinstatement Privilege..................................................................................    22
Pricing of Shares..........................................................................................    23
  Determination of Net Asset Value.........................................................................    23
Portfolio Transactions and Brokerage.......................................................................    23
  Transactions in Portfolio Securities.....................................................................    23
  Portfolio Turnover.......................................................................................    24
Shareholder Services.......................................................................................    25
  Investment Account.......................................................................................    25
  Fee-Based Programs.......................................................................................    25
  Retirement Plans.........................................................................................    26
  Exchange Privilege.......................................................................................    26
  Automatic Investment Plans...............................................................................    28
  Automatic Dividend Program...............................................................................    28
  Systematic Redemption Program............................................................................    29
Distributions and Taxes....................................................................................    30
  Dividends and Distributions..............................................................................    30
  Taxes....................................................................................................    30
Performance Data...........................................................................................    32
General Information........................................................................................    36
  Description of Shares....................................................................................    36
  Independent Auditors.....................................................................................    36
  Custodian................................................................................................    37
  Transfer Agent...........................................................................................    37
  Legal Counsel............................................................................................    37
  Reports to Shareholders..................................................................................    37
  Shareholder Inquiries....................................................................................    37
  Additional Information...................................................................................    37
</TABLE>
    

<PAGE>
                       INVESTMENT OBJECTIVES AND POLICIES
 
   
     The Fund is a diversified, open-end management investment company. The
investment objective of the Fund is to seek the highest possible current income
consistent with the protection of capital afforded by investing in
intermediate-term debt securities issued or guaranteed by the U.S. Government,
its agencies or instrumentalities with a maximum maturity not to exceed fifteen
years. Under normal circumstances, all or substantially all of the Fund's assets
will be invested in such securities. Under normal market conditions, the Fund
will maintain a dollar-weighted average maturity of six to eight years.
    
 
   
     Certain of the securities in which the Fund invests are supported by the
full faith and credit of the U.S. Government, such as U.S. Treasury obligations.
Other of the securities in which the Fund invests are not supported by the full
faith and credit of the U.S. Government but are issued by U.S. Government
agencies, instrumentalities or government-sponsored enterprises. Such securities
are generally supported only by the credit of the agency, instrumentality or
enterprise issuing the security and are generally considered to have a low
principal risk. However, because of the longer-term maturities of the securities
in which the Fund will invest, interest rate fluctuations may adversely affect
the market value of such securities. As interest rates rise, the value of
fixed-income securities will fall, adversely affecting the net asset value of
the Fund.
    
 
   
     Mortgaged-Backed Securities.  The value of mortgage-backed securities, like
that of traditional fixed-income securities, typically increases when interest
rates fall and decreases when interest rates rise. However, mortgage-backed
securities are also subject to the risk of prepayment. In a period of declining
interest rates, borrowers may pay what they owe on the underlying assets more
quickly than anticipated, which will reduce the yield to maturity and the
average life of the mortgage-backed securities. In addition, when the Fund
reinvests the proceeds of a prepayment it will likely receive an interest rate
lower than the rate on the security that was prepaid. In a period of rising
interest rates, prepayments may occur at a slower than expected rate. As a
result, the average maturity of the Funds portfolio will increase. The value of
long-term securities generally changes more widely in response to changes in
interest rates than short-term securities.
    
 
   
     Indexed and Inverse Securities.  The Fund may invest in securities whose
potential return is based on the changes in particular measurements of value or
an interest rate (an "index"). As an illustration, the Fund may invest in a
security that pays interest and returns of principal based on the change in an
index of interest rates or on the value of an index. 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.
    
 
       
       
   
                    RISK FACTORS AND SPECIAL CONSIDERATIONS
    
 
   
INVESTMENT RESTRICTIONS
    
 
     The Fund has adopted the following 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 of 1940
(the "Investment Company Act") means the lesser of
 
                                       2
<PAGE>

(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. Make any investment inconsistent with the Fund's classification as
     a diversified company under the Investment Company Act.
 
          2. Invest more than 25% of its assets, taken at market value, in the
     securities of issuers in any particular industry (excluding the U.S.
     Government and its agencies and instrumentalities).
 
          3. Make investments for the purpose of exercising control or
     management.
 
          4. 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.
 
          5. 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.
 
          6. Issue senior securities to the extent such issuance would violate
     applicable law.
 
          7. 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, to the
     extent permitted by applicable law, borrow up to an additional 5% of its
     total assets for temporary purposes, (iii) the Fund may obtain such
     short-term credit as may be necessary for the clearance of purchases and
     sales of portfolio securities and (iv) the Fund may purchase securities on
     margin to the extent permitted by applicable law. The Fund may not pledge
     its assets other than to secure such borrowings or, to the extent permitted
     by the Fund's investment policies as set forth in its Prospectus and
     Statement of Additional Information, as they may be amended from time to
     time, in connection with hedging transactions, short sales, when-issued and
     forward commitment transactions and similar investment strategies.
 
          8. 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.
 
          9. Purchase or sell commodities or contracts on commodities, except to
     the extent that the Fund may do so in accordance with applicable law and
     the Fund's Prospectus and Statement of Additional Information, as they may
     be amended from time to time, and without registering as a commodity pool
     operator under the Commodity Exchange Act.
 
     Under the non-fundamental investment restrictions, 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 the Fund's shares are owned by another
     investment company that is part of the same group of investment companies
     as the Fund.
 
          b. Make short sales of securities or maintain a short position, except
     to the extent permitted by applicable law. The Fund currently does not
     intend to engage in short sales, except short sales "against the box."
 
          c. Invest in securities which cannot be readily resold because of
     legal or contractual restrictions or which cannot otherwise be marketed,
     redeemed or put to the issuer or a third party, if at the time of
 
                                       3
<PAGE>

     acquisition more than 15% of its total assets would be invested in such
     securities. This restriction shall not apply to securities which mature
     within seven days or securities which the Board of Trustees of the Fund has
     otherwise determined to be liquid pursuant to applicable law.
 
          d. Notwithstanding fundamental investment restriction (7) above, the
     Fund will not borrow amounts in excess of 5% of the total assets of the
     Fund, taken at market value, and then only from banks as a temporary
     measure for extraordinary or emergency purposes such as the redemption of
     Fund shares. In addition, the Fund will not purchase securities while
     borrowings are outstanding.
 
     Because of the affiliation of Merrill Lynch, Pierce, Fenner & Smith
Incorporated ("Merrill Lynch") with the Fund, the Fund is prohibited from
engaging in certain transactions involving Merrill Lynch except pursuant to an
exemptive order or otherwise in compliance with the provisions of the Investment
Company Act and the rules and regulations thereunder. Included among such
restricted transactions are (i) purchases from or sales to Merrill Lynch of
securities in transactions in which Merrill Lynch acts as principal, and
(ii) purchases of securities from underwriting syndicates of which Merrill Lynch
is a member.
 
   
     Mortgage-Backed Securities.  Mortgage-backed securities are "pass-through"
securities, meaning that principal and interest payments made by the borrower on
the underlying mortgages are passed through to the Fund. The value of
mortgage-backed securities, like that of traditional fixed-income securities,
typically increases when interest rates fall and decreases when interest rates
rise. However, mortgage-backed securities differ from traditional fixed-income
securities because of their potential for prepayment without penalty. The price
paid by the Fund for its mortgage-backed securities, the yield the Fund expects
to receive from such securities and the average life of the securities are based
on a number of factors, including the anticipated rate of prepayment of the
underlying mortgages. In a period of declining interest rates, borrowers may
prepay the underlying mortgages more quickly than anticipated, thereby reducing
the yield to maturity and the average life of the mortgage-backed securities.
Moreover, when the Fund reinvests the proceeds of a prepayment in these
circumstances, it will likely receive a rate of interest that is lower than the
rate on the security that was prepaid. To the extent that the Fund purchases
mortgaged-backed securities at a premium, mortgage foreclosures and principal
prepayments may result in a loss to the extent of the premium paid. If the Fund
buys such securities at a discount, both scheduled payments of principal and
unscheduled prepayments will increase current and total returns and will
accelerate the recognition of income which, when distributed to shareholders,
will be taxable as ordinary income. In a period of rising interest rates,
prepayments of the underlying mortgages may occur at a slower than expected
rate, creating maturity extension risk. This particular risk may effectively
change a security that was considered short or intermediate-term at the time of
purchase into a long-term security. Since long-term securities generally
fluctuate more widely in response to changes in interest rates than shorter-term
securities, maturity extension risk could increase the inherent volatility of
the Fund.
    
 
   
     Indexed and Inverse-Indexed Securities.  The Fund may invest in securities
whose potential returns are directly related to changes in an underlying index
or interest rate, known as indexed securities. The return on indexed securities
will rise when the underlying index or interest rate rises and fall when the
index or interest rate falls. The Fund may also invest in securities whose
return is inversely related to changes in an interest rate. In general,
inverse-indexed securities change in value in a manner that is opposite to most
bonds--that is, interest rates on these securities will decrease when interest
rates increase in value and increase in value when interest rates decrease.
Investments in inverse-indexed securities may subject the Fund to the risks of
reduced or eliminated interest payments and losses of principal. In addition,
certain indexed securities and inverse-indexed securities may increase or
decrease in value at a greater rate than the underlying interest rate, which
effectively leverages the Fund's investment. As a result, the market value of
such securities will generally be more volatile than that of fixed rate
securities.
    
 
     Lending of Portfolio Securities.  Subject to investment restriction (5)
above, the Fund from time to time may lend securities from its portfolio to
brokers, dealers and financial institutions and receive as collateral cash or
United States Treasury securities which at all times while the loan is
outstanding will be maintained in amounts equal to at least 100% of the current
market value of the loaned securities. Any cash collateral will be invested in
short-term securities, which will increase the current income of the Fund. Such
loans, which will not have terms longer than 30 days, will be terminable at any
time. The Fund will have the right to regain record ownership of loaned
securities to exercise beneficial rights such as voting rights, subscription
rights and rights of
 
                                       4
<PAGE>

dividends, interest or other distributions. The Fund may pay reasonable fees to
persons unaffiliated with the Fund for services in arranging such loans. In the
event of a default by the borrower, the Fund may suffer time delays and incur
costs or possible losses in connection with the disposition of the collateral.
 
   
     Forward Commitments.  U.S. Government securities and corporate debt
obligations may be purchased on a forward commitment basis at fixed purchase
terms with periods of up to 45 days between the commitment and settlement dates.
The purchase will be recorded on the date the Fund enters into the commitment
and the value of the security will thereafter be reflected in the calculation of
the Fund's net asset value. The value of the security on the delivery date may
be more or less than its purchase price. A separate account of the Fund will be
established with the Custodian consisting of cash or liquid high grade debt
obligations having a market value at all times until the delivery date at least
equal to the amount of the forward commitment. Although the Fund will generally
enter into forward commitments with the intention of acquiring securities for
its portfolio, the Fund may dispose of a commitment prior to settlement if the
Investment Adviser deems it appropriate to do so. There can, of course, be no
assurance that the judgments upon which these techniques are based will be
accurate or that such techniques when applied will be effective. The Fund will
enter into forward commitment arrangements only with respect to securities in
which it may otherwise invest.
    
 
   
     Repurchase Agreements.  The Fund may invest in securities pursuant to
repurchase agreements. Under such agreements, the seller agrees, upon entering
into the contract, to repurchase the security at a mutually agreed-upon time and
price, thereby determining the yield during the term of the agreement. This
results in a fixed rate of return insulated from market fluctuations during such
period. Such agreements usually cover short periods, such as under one week.
Repurchase agreements may be construed to be collateralized loans by the
purchaser to the seller secured by the securities transferred to the purchaser.
The Fund will require the seller to provide additional collateral if the market
value of the securities falls below the repurchase price at any time during the
term of the repurchase agreement. In the event of default by the seller under a
repurchase agreement construed to be a collateralized loan, the underlying
securities are not owned by the Fund but only constitute collateral for the
seller's obligation to pay the repurchase price. Therefore, the Fund may suffer
time delays and incur costs or possible losses in connection with the
disposition of the collateral. Instead of the contractual fixed rate of return,
the rate of return to the Fund will be dependent upon intervening fluctuations
of the market value of such security and the accrued interest on the security.
In such event, the Fund would have rights against the seller for breach of
contract with respect to any losses arising from market fluctuations following
the failure of the seller to perform. From time to time, the Fund also may
invest in securities pursuant to purchase and sale contracts. While the
substance of purchase and sale contracts is similar to repurchase agreements,
because of the different treatment with respect to accrued interest and
additional collateral, management believes that purchase and sale contracts are
not repurchase agreements as such term is understood in the banking and
brokerage community. As a matter of operating policy, the Fund will not enter
into repurchase agreements or purchase and sale contracts with greater than
seven days to maturity if, at the time of such investment, more than 10% of the
total assets of the Fund would be so invested.
    
 
                             MANAGEMENT OF THE FUND
 
TRUSTEES AND OFFICERS
 
     The Trustees and officers of the Fund, their ages, principal occupations
for at least the last five years and the public companies for which they serve
as directors are set forth below. Unless otherwise stated, the address of each
Trustee and officer is One Financial Center, 23rd Floor, Boston, Massachusetts
02111-2646.
 
   
     ROBERT W. CROOK (62)--President and Trustee(1)(2)--Senior Vice President of
Merrill Lynch Asset Management, L.P. ("MLAM") and of Merrill Lynch Funds
Distributor, Inc. ("MLFD") since 1990 and Vice President of MLAM and MLFD prior
thereto.
    
 
   
     A. BRUCE BRACKENRIDGE (68)--Trustee(2)--9 Elm Lane, Bronxville, New York
10708. Group Executive of J.P. Morgan & Co., Inc. (banking) and Morgan Guaranty
Trust Company from 1979 to 1991 and an employee of J.P. Morgan in various
capacities from 1952 to 1991.
    
 
                                       5
<PAGE>

   
     CHARLES C. CABOT, JR. (68)--Trustee(2)--One Post Office Square, Boston,
Massachusetts 02119. Partner of the law firm Sullivan & Worcester and associated
with that firm since 1966.
    
 
   
     JAMES T. FLYNN (59)--Trustee(2)--340 East 72nd Street, New York, New York
10021. Chief Financial Officer of J.P. Morgan & Co., Inc. from 1990 to 1995 and
an employee of J.P. Morgan in various capacities from 1967 to 1995.
    
 
   
     TERRY K. GLENN (58)--Trustee(1)(2)--P.O. Box 9011, Princeton, New Jersey
08543-9011. Executive Vice President of MLAM and FAM since 1983; Executive Vice
President and Director of Princeton Services, Inc. since 1993; President of MLFD
since 1986 and Director thereof since 1991; President of Princeton
Administrators, L.P. since 1988.
    
 
   
     TODD GOODWIN (67)--Trustee--600 Madison Avenue, New York, New York, 10022;
General Partner of Gibbons, Goodwin, van Amerongen (investment banking firm)
since 1984; Director of Wells Aluminum Co. (aluminum extrusions). The Rival
Company (electrical appliance manufacturer), U.S. Energy Systems (independent
power producer) and Johns Manville Corporation (building materials).
    
 
   
     GEORGE W. HOLBROOK, JR. (67)--Trustee(2)--107 John Street, Southport,
Connecticut 06490. Managing Partner of Bradley Resources Company (private
investment company) and associated with that firm and its predecessors since
1953; Director of Canyon Resources Corporation (mineral exploration company);
Director of Thoratec Laboratories Corporation (medical device manufacturer).
    
 
   
     W. CARL KESTER (47)--Trustee(2)--Harvard Business School, Morgan Hall 393,
Soldiers Field, Boston, Massachusetts 02163; James R. Williston Professor of
Business Administration of Harvard University Graduate School of business since
1997, MBA Class of 1958 Professor of Business Administration of Harvard
University Graduate School of Business Administration from 1981 to 1997;
Independent Consultant since 1978.
    
 
   
     MICHAEL J. BRADY (39)--Senior Vice President(2)--Vice President of MLAM
since 1993; Vice President of MLFD since 1990 and an employee of MLFD prior
thereto.
    
 
   
     WILLIAM M. BREEN (44)--Senior Vice President and Assistant
Treasurer(2)--Vice President of MLAM since 1993 and Vice President of MLFD since
1990 and Assistant Vice President of MLFD prior thereto.
    
 
   
     JAMES J. FATSEAS (42)--Senior Vice President(2)--Vice President of MLAM
since 1993; Vice President of MLFD since 1990 and Assistant Vice President of
MLFD prior thereto.
    
 
   
     JOSEPH T. MONAGLE, JR. (50)--Senior Vice President(2)--Senior Vice
President and Department Head of the Global Fixed Income Division of MLAM and
FAM since 1990 and Vice President of MLAM and FAM prior thereto.
    
 
   
     WILLIAM WASEL (39)--Senior Vice President(2)--Vice President of MLAM since
1993; Vice President of MLFD since 1990 and Assistant Vice President of MLFD
prior thereto.
    
 
   
     DONALD C. BURKE (38)--Vice President(2)--P.O. Box 9011, Princeton, New
Jersey 08543-9011. First Vice President of MLAM since 1997; Vice President of
MLAM from 1990 to 1997 and Director of Taxation of MLAM since 1990.
    
 
   
     ANN CATLIN (37)--Vice President(2)--Employee of MLFD since 1986.
    
 
   
     DIANA FRANKLAND (63)--Vice President(2)--Employee of MLFD since 1979.
    
 
   
     RALPH A. DECESARE (37)--Director and Portfolio Manager--Director of MLAM
since July, 1998; Vice President of MLAM since 1993; Assistant Vice President of
MLAM since 1991; and Credit Analyst of MLAM since 1990.
    
 
   
     MARK E. MAGUIRE (39)--Vice President(2)--Assistant Vice President of MLFD
since 1990 and an employee of MLFD since 1986.
    
 
   
     PATRICIA A. SCHENA (41)--Vice President(2)--Assistant Vice President of
MLFD since 1990 and an employee of MLFD since 1980.
    
 
   
     BARRY F. X. SMITH (33)--Vice President(2)--Employee of MLFD since 1987.
    
 
                                       6
<PAGE>

   
     KAREN D. YOUNG (34)--Vice President(2)--Employee of MLFD since 1982.
    
 
   
     DIANNE F. MCDONOUGH (37)--Vice President(2)--Employee of MLFD since 1983.
    
 
   
     GERALD M. RICHARD (49)--Treasurer(2)--P.O. Box 9011, Princeton, New Jersey
08543-9011. Senior Vice President and Treasurer of MLAM and FAM since 1984; Vice
President and Treasurer of MLFD since 1981; Senior Vice President and Treasurer
of Princeton Administrators, Inc. since 1988; Senior Vice President and
Treasurer of Princeton Services, Inc. since 1993.
    
 
   
     PHILLIP S. GILLESPIE (35)--Secretary--P.O. Box 9011, Princeton, New Jersey
08543-9011. Attorney associated with the Investment Adviser and MLAM since 1998.
Prior to 1998, Mr. Gillespie was Assistant General Counsel of Chancellor LGT
Asset Management, Inc. and from 1993 to 1997 was a Senior Counsel and Attorney
in the Division of Investment Management and the Office of General Counsel at
the U.S. Securities and Exchange Commission.
    
 
- ------------------
(1) These Trustees may be deemed to be "interested persons" of the Fund as that
    term is defined in the Investment Company Act of 1940. Mr. Crook and
    Mr. Glenn are officers of MLFD and MLAM.
 
(2) Director/trustee or officer of certain other investment companies for which
    FAM or MLAM acts as investment adviser.
 
   
COMPENSATION OF TRUSTEES
    
 
   
     Set forth below is a chart showing, for the fiscal year ended October 31,
1998, compensation paid by the Fund to the non-affiliated Trustees and, for the
calendar year ending December 31, 1997, the aggregate compensation paid by all
investment companies advised by MLAM and its affiliate, FAM (collectively, the
"Fund Complex"), to the non-affiliated Trustees.
    
 
   
<TABLE>
<CAPTION>
                                                         PENSION OR         AGGREGATE COMPENSATION
                                                     RETIREMENT BENEFITS    FROM FUND AND FAM/MLAM
                                     COMPENSATION    ACCRUED AS PART OF     ADVISED FUNDS PAID TO
NAME OF TRUSTEE                       FROM FUND         FUND EXPENSES              TRUSTEES
- ----------------------------------   ------------    -------------------    ----------------------
<S>                                  <C>             <C>                    <C>
A. Bruce Brackenridge(1)..........      $6,000               None                  $ 37,500
Charles C. Cabot, Jr.(1)..........       6,000               None                    37,500
James T. Flynn(1).................       6,000               None                    37,500
Todd Goodwin......................       1,500               None                    10,500
George W. Holbrook(1).............       6,000               None                    37,500
W. Carl Kester(1).................       6,000               None                    37,500
</TABLE>
    
 
- ------------------
(1) In addition to the Fund, the Trustees serve on other FAM/MLAM Advised Funds
    as follows: Mr. Brackenridge (2) registered investment companies consisting
    of (6) portfolios; Mr. Cabot (2) registered investment companies consisting
    of (6) portfolios; Mr. Flynn (2) registered investment companies consisting
    of (6) portfolios; Mr. Holbrook (2) registered investment companies
    consisting of (6) portfolios; and Mr. Kester (2) registered investment
    companies consisting of (6) portfolios.
 
   
     At December 1, 1998, the officers and trustees of the Fund as a group
(twenty-five persons) owned an aggregate of less than 1% of the outstanding
shares of common stock of Merrill Lynch & Co., Inc. ("ML & Co.") and owned less
than 1% of the outstanding shares of the Fund.
    
 
     The trustees have an Audit and Nominating Committee, the members of which
are Messrs. Brackenridge, Cabot, Flynn, Holbrook and Kester.
 
   
     Each Trustee who is not an officer or employee of ML & Co. or its
subsidiaries will be paid [      ] annually in his capacity as Trustee. All
Trustees will be reimbursed for any expenses incurred in attending meetings of
the Board of Trustees of the Fund or of any committee thereof. No officer or
employee of ML & Co. or its subsidiaries will receive any compensation from the
Fund for acting as a Trustee or officer of the Fund.
    
 
                                       7
<PAGE>

MANAGEMENT AND INVESTMENT ADVISORY ARRANGEMENTS
 
   
     The Investment Adviser to the Fund is MLAM, an indirect wholly owned
subsidiary of Merrill Lynch & Co., Inc. The Investment Adviser acts as the
investment adviser for the Fund and provides the Fund with management services.
The Investment Adviser (the general partner of which is Princeton Services Inc.,
a wholly owned subsidiary of ML & Co.) has its principal place of business at
800 Scudders Mill Road, Plainsboro, New Jersey 08536 (mailing address: P.O. Box
9011, Princeton, New Jersey 08543-9011). ML & Co. has its principal place of
business at 250 Vesey Street, New York, New York 10281. The Investment Adviser
or its affiliate, Fund Asset Management, L.P. ("FAM"), acts as the investment
adviser for more than 140 registered investment companies. The Investment
Adviser also offers portfolio management and portfolio analysis services to
individual and institutional accounts. As of December 31, 1998, the Investment
Adviser and FAM had a total of $[  ] billion in investment company and other
portfolios assets under management, including accounts of certain affiliates of
the Investment Adviser.
    
 
     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.,
subsidiary of ML & Co.
 
     The Investment Adviser has entered into a sub-advisory agreement (the
"Sub-Advisory Agreement") with MLAM U.K., an indirect, 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 by the Investment Adviser and MLAM U.K. but in no
event in excess of the amount that the Investment Adviser actually receives for
providing services to the Fund pursuant to the Investment Advisory Agreement.
The address of the sub-adviser is Milton Gate, 1 Moor Lane, London EC2Y 9HA,
England.
 
     Pursuant to the terms of the Investment Advisory Agreement, the Investment
Adviser, subject to the general supervision of the Trustees of the Fund and in
conformance with the stated policies of the Fund, renders investment supervisory
and administrative services to the Fund. In this regard, it is the
responsibility of the Investment Adviser to make investment decisions for the
Fund and to place the purchase and sale orders for the portfolio transactions of
the Fund. In addition the Investment Adviser performs, or supervises the
performance of, administrative services in connection with the Fund, including
(i) supervision of all aspects of the Fund's administration and operations,
including processing services related to the purchase and redemption of Fund
shares, the general handling of shareholder relations, and portfolio management;
(ii) providing the Fund, at the Investment Adviser's expense, with the services
of persons competent to perform such administrative and clerical functions as
are necessary in order to provide effective administration of the Fund; and
(iii) providing the Fund, at the Investment Adviser's expense, with adequate
office space and related services. The Investment Adviser may arrange for the
provision of these administrative services and functions by MLFD or another
affiliate of ML & Co.
 
   
     The Investment Advisory Agreement obligates the Investment Adviser 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 compensation of all Trustees of the Fund who
are affiliated persons of ML & Co. or any of its subsidiaries. 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, prospectuses and statements of
additional information (except to the extent paid by the Distributor), charges
of the custodian and the transfer agent, expenses of redemption of shares,
Securities and Exchange Commission fees, expenses of registering the shares
under Federal and state securities laws, fees and expenses of unaffiliated
trustees, 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 for the Fund by the Investment
Adviser, and the Fund reimburses the Investment Adviser for its costs in
connection with those services. MLFD pays certain of the expenses of the Fund in
connection with the
    
 
                                       8
<PAGE>

   
continuous offering of Fund shares. Certain distribution expenses will be
financed by the Fund pursuant to the Distribution Plans in compliance with
Rule 12b-1 under the Investment Company Act of 1940. See "Distribution Plans."
    
 
   
     As compensation for the services rendered under the Investment Advisory
Agreement, the Fund pays the Investment Adviser a fee, payable monthly, at an
annual rate of 0.40% of the Fund's average daily net assets. MLAM received
$150,322 (based on average daily net assets of approximately $37.7 million) in
investment advisory fees from the Fund during the Fund's fiscal year ended
October 31, 1998, of which $122,202 was waived. MLAM also reimbursed the Fund
for additional expenses of $1,011. For the same period, the ratio of total
expenses to average net assets was 1.09% for Class A shares, 1.54% for Class B
shares, 1.26% for Class C shares and 1.22% for Class D shares. Accounting
services are provided to the Fund by MLAM, and the Fund reimburses MLAM for its
costs in connection with such services. For the fiscal year ended October 31,
1998, the amount of such reimbursement was $37,878. For the fiscal years ended
October 31, 1996 and 1997, the Fund paid investment advisory fees of $231,551
and $152,873, respectively.
    
 
Duration and Termination
 
   
     The Investment Advisory Agreement is effective as of October 31, 1986 and,
unless earlier terminated as described below, will continue in effect from year
to year if approved annually (a) by the Board of Trustees of the Fund or by a
majority of the outstanding shares of the Fund, and (b) by a majority of the
trustees who are not parties to that contract or interested persons (as defined
in the Investment Company Act of 1940) of any such party. The Investment
Advisory Agreement will terminate automatically upon its assignment and is
terminable at any time without penalty by the trustees of the Fund or by a vote
of a majority of the Fund's outstanding shares (as defined under "Investment
Restrictions" herein) or by the Investment Adviser on 60 days' written notice to
the other party. The Investment Advisory Agreement was last renewed by the
Fund's Board of Trustees on September 8, 1998.
    
 
     The investment advisory services of the Investment Adviser to the Fund are
not exclusive under the terms of the Investment Advisory Agreement and the
Investment Adviser is also free to, and does, render such services to others.
 
   
TRANSFER AGENCY SERVICES.  Financial Data Services, Inc. (the "Transfer Agent"),
a subsidiary of ML & Co., acts as the Fund's Transfer Agent pursuant to a
Transfer Agency, Dividend Disbursing Agency and Shareholder Servicing Agency
Agreement (the "Transfer Agency Agreement"). Pursuant to the Transfer Agency
Agreement, the Transfer Agent is responsible for the issuance, transfer and
redemption of shares and the opening and maintenance of shareholder accounts.
Pursuant to the Transfer Agency Agreement, the Transfer Agent receives a fee of
$11.00 per Class A or Class D account and $14.00 per Class B or Class C account
and is entitled to reimbursement for certain transaction charges and
out-of-pocket expenses incurred by the Transfer Agent under the Transfer Agency
Agreement. Additionally, a $.20 monthly closed account charge will be assessed
on all accounts which close during the calendar year. Application of this fee
will commence the month following the month the account is closed. At the end of
the calendar year, no further fees will be due. For purposes of the Transfer
Agency Agreement, the term "account" includes a shareholder account maintained
directly by the Transfer Agent and any other account representing the beneficial
interest of a person in the relevant share class on a recordkeeping system,
provided the recordkeeping system is maintained by a subsidiary of ML & Co.
    
 
   
CODE OF ETHICS
    
 
   
     The Board of Trustees of the Fund has adopted a Code of Ethics under
Rule 17j-1 of the Investment Company Act of 1940 (the "Investment Company Act")
which 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
    
 
                                       9
<PAGE>

   
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).
    
 
                               PURCHASE OF SHARES
 
   
     Reference is made to "How to Buy, Sell, Transfer and Exchange Shares" in
the Prospectus.
    
 
   
     The Fund issues four classes of shares under the Merrill Lynch Select
Pricing(Service Mark) System: Class A and Class D shares are sold to investors
choosing the initial sales charge alternatives and Class B and Class C shares
are sold to investors choosing the deferred sales charge alternatives. Each
Class A, Class B, Class C and Class D share represents an identical interest in
the same portfolio of investments 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 the Class B and Class C shares bear the expenses of
the ongoing distribution fees and the additional incremental transfer agency
costs resulting from the deferred sales charge arrangements. The deferred sales
charges and account maintenance fees that are imposed on Class B and Class C
shares, as well as the account maintenance fees that are imposed on Class D
shares, will be imposed directly against those classes and not against all
assets of the Fund and, accordingly, such charges will not affect the net asset
value of any other class or have any impact on investors choosing another sales
charge option. Dividends paid by the Fund for each class of shares will be
calculated in the same manner at the same time and will differ only to the
extent that account maintenance and distribution fees and any incremental
transfer agency costs relating to a particular class are borne exclusively by
that class. Class B, Class C and Class D shares of the Fund 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." Class C shares are available only
through the 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 contingent deferred sales charge ("CDSC") 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.
    
 
Alternative Sales Arrangements
 
     The alternative sales arrangements available for the Fund's shares permit
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 his shares and other relevant circumstances.
Investors should determine whether under their particular circumstances it is
more advantageous to incur an initial sales charge and not be subject to ongoing
charges, as discussed below, or to have the entire initial purchase price
invested in the Fund with the investment thereafter being subject to ongoing
charges.
 
   
     The Merrill Lynch Select Pricing(Service Mark) System is used by more than
50 registered investment companies advised by MLAM or its affiliate, the
Investment Adviser. Funds advised by MLAM or the Investment Adviser that use the
Merrill Lynch Select Pricing(Service Mark) System are referred to herein as
"Select Pricing Funds."
    
 
     The Fund has entered into separate distribution agreements (the
"Distribution Agreements") with the Distributor in connection with the
continuous offering of each class of shares. The Distribution Agreements
obligate the Distributor to pay certain expenses in connection with the offering
of each class of shares of the
 
                                       10
<PAGE>

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.
 
   
     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. Neither the Distributor nor dealers are permitted to withhold
placing orders to benefit themselves by a price change. Merrill Lynch may charge
its customers a processing fee (presently $5.35) to confirm a sale of shares to
such customers. Purchases made directly through the Transfer Agent are not
subject to the processing fee.
    
 
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.
Sales charges for purchases of Class A and Class D shares of the Fund, computed
as indicated in the Prospectus, are reduced on larger purchases. The Distributor
may reallow discounts to selected securities 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 within the meaning of the Securities Act of 1933. 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. The Distributor will retain the
entire sales charge on orders placed directly with it.
    
 
   
     A reduced sales charge is available for any purchase of Class A or Class D
shares of the Fund in excess of $100,000. The term "purchase," as used in the
Prospectus and this Statement of Additional Information in connection with an
investment in Class A and Class D shares of the Fund, refers to a single
purchase by an individual, or to concurrent purchases, which in the aggregate
are at least equal to the prescribed amounts, by an individual, his spouse and
their children under the age of 21 years purchasing shares for his or their own
account and to single purchases by a trustee or other fiduciary purchasing
shares for a single trust estate or single fiduciary account (including a
pension, profit-sharing or other employee benefit trust created pursuant to a
plan qualified under Section 401 of the Code) although more than one beneficiary
is involved. The term "purchase" also includes purchases by any "company," as
that term is defined in the Investment Company Act, 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; provided, however
that it shall not include purchases by any group of individuals whose sole
organizational nexus is that the participants therein are credit cardholders of
a company, policyholders of an insurance company, customers of either a bank or
broker-dealer or clients of an investment adviser. The 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.
    
 
   
     For the fiscal year ended October 31, 1998, there were no gross sales
charges for the sale of Class A shares. For the fiscal year ended October 31,
1998, the Distributor received no CDSC proceeds with respect to redemption
within one year after purchase of Class A shares purchased subject to an initial
sales charge waiver.
    
 
   
     For the fiscal year ended October 31, 1998, the gross sales charges for the
sale of Class D shares were $6,509, of which $570 was received by the
Distributor and $5,939 was received by Merrill Lynch. For the fiscal year ended
October 31, 1998, the Distributor received no CDSC proceeds with respect to
redemption within one year after purchase of Class D shares purchased subject to
an initial sales charge waiver.
    
 
                                       11
<PAGE>

   
     Eligible Class A Investors.  Class A shares are offered to a limited group
of investors and also will be issued upon reinvestment of dividends from
outstanding Class A shares. Investors that currently own Class A shares in a
shareholder account, including participants in the Merrill Lynch
Blueprint(Service Mark) Program, 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 provided that the program has $3
million or more initially invested in MLAM-advised mutual funds. Also eligible
to purchase Class A shares at net asset value are participants in certain
investment programs including TMA(Service Mark) 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 will be offered at net asset value to ML & Co. and its subsidiaries and
their directors and employees and to members of the Boards of MLAM-advised
investment companies, including the Fund. Certain persons who acquired shares of
certain MLAM-advised closed-end funds in their initial offerings who wish to
reinvest the net proceeds from a sale of their closed-end fund shares of common
stock in shares of the Fund also may purchase Class A or Class D shares of the
Fund if certain conditions set forth below under "Reduced Initial Sales
Charges--Closed-End Fund Investment Option" are met.
    
 
       
   
REDUCED INITIAL SALES CHARGES.
    
 
   
     Reinvested Dividends and Capital Gains.  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."
    
 
   
     Right of Accumulation.  Reduced sales charges are applicable through a
right of accumulation under which eligible investors are permitted to purchase
Class A or Class D shares of the Fund subject to 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 any other Select Pricing Fund. 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, and
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
through any dealer aggregating $100,000 or more of Class A shares of the Fund or
any other Select Pricing Funds made within a 13-month period starting with the
first purchase pursuant to a Letter of Intention in the form provided by the
Distributor. 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 a binding obligation to purchase any amount of Class A or Class D shares,
but its execution will result in the purchaser's 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 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 or of other MLAM-advised mutual funds presently held, at cost or
maximum offering price (whichever is higher), on the date of the first purchase
under the Letter of Intention, may be included as a credit toward the completion
of such Letter. The reduced sales charge applicable to the amount covered by the
Letter of Intention 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,
the investor will be notified and must pay, within 20 days of the expiration of
such Letter, the difference between the sales charge on Class A or Class D
shares of the Fund 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). The
first
    
 
                                       12
<PAGE>

purchase under the Letter of Intention must be five percent of the dollar amount
of such Letter. If during the term of such Letter, a purchase brings the total
amount invested to an amount equal to or in excess of the amount indicated in
the Letter, 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 or Class D shares
of the Fund 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 in the Fund.
 
     Employee Access(Service Mark) Accounts.  Provided applicable threshold
requirements are met, either Class A or Class D shares are offered at net asset
value to Employee Access(Service Mark) 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.
 
     TMA(Service Mark) Managed Trusts.  Class A shares are offered to
TMA(Service Mark) Managed Trusts to which Merrill Lynch Trust Company provides
discretionary trustee services at net asset value.
 
     Merrill Lynch Blueprint(Service Mark) Program.  Class D shares of the Fund
are offered to participants in the Merrill Lynch Blueprint(Service Mark) Program
("Blueprint"). In addition, participants in Blueprint who own Class A shares of
the Fund may purchase additional Class A shares of the Fund through Blueprint.
Blueprint is directed to small investors, Group IRAs and participants in certain
affinity groups such as benefit plans, credit unions and trade associations.
Investors placing orders to purchase Class A or Class D shares of the Fund
through Blueprint will acquire such Class A or Class D shares at net asset value
plus a sales charge calculated in accordance with the Blueprint sales charge
schedule (i.e., up to $5,000 at .80%. Purchases of greater than $5,000 will be
at the standard sales charge rate disclosed in the Prospectus). In addition,
Class D shares of the Fund are being offered at net asset value plus a sales
charge of .50% for participants in corporate or group IRA programs placing
orders to purchase their shares through Blueprint. However, services (including
the exchange privilege) available to Class A and Class D shareholders through
Blueprint may differ from those available to other investors in Class A or Class
D shares. Class A and Class D shares are offered at net asset value to
participants in the Merrill Lynch Blueprint(Service Mark) Program through the
Merrill Lynch Directed IRA Rollover Program ("IRA Rollover Program") available
from Merrill Lynch Business Financial Services, a business unit of Merrill
Lynch. The IRA Rollover Program is available to custodian rollover assets from
Employer Sponsored Retirement and Savings Plans (see definition below) whose
Trustee and/or Plan Sponsor offers the Merrill Lynch Directed IRA Rollover
Program. Orders for purchases and redemptions of Class A or Class D shares of
the Fund may be grouped for execution purposes which, in some circumstances, may
involve the execution of such orders two business days following the day such
orders are placed. The minimum initial purchase price is $100 with a $50 minimum
for subsequent purchases through Blueprint. Minimum initial or subsequent
purchase requirements are waived in connection with automatic investment plans
for Blueprint participants. Additional information concerning purchases through
Blueprint, including any annual fees and transaction charges, is available from
Merrill Lynch, Pierce, Fenner & Smith Incorporated, The Blueprint(Service Mark)
Program, P.O. Box 30441, New Brunswick, New Jersey 08989-0441.
 
     Purchase Privileges of Certain Persons.  Trustees of the Fund, directors
and trustees of other MLAM-advised mutual funds, 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 or 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.
 
     The shares of the Fund in existence prior to its reorganization at the
close of business on February 14, 1997 have been reclassified as Class D shares.
Although purchasers of Class D shares generally will be subject to a 1% initial
sales charge, those shareholders of the Fund who have held shares of the Fund
since prior to its reorganization at the close of business on February 14, 1997,
will not be subject to any sales charge with respect to either their
reclassified Class D shares or any Class D shares that they may purchase in the
future.
 
     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 the Investment
Adviser or MLAM who purchased such closed-end fund shares prior to October 21,
1994 (the
 
                                       13
<PAGE>

date the Merrill Lynch Select Pricing(Service Mark) 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 of the Fund. 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"). In order to exercise this investment option, closed-end fund
shareholders must (i) sell their closed-end fund shares through Merrill Lynch
and reinvest the proceeds immediately in the Eligible Class A or Class D Shares
of the Fund, (ii) either have acquired the shares in the closed-end fund's
initial public offering or through reinvestment of dividends earned on shares
purchased in such offering, (iii) have maintained their closed-end fund shares
continuously in a Merrill Lynch account, and (iv) purchase a minimum of $250
worth of Fund shares. 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 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.
 
     Class D shares of the Fund are offered at the net asset value, without
sales charge, to an investor who has a business relationship with a Merrill
Lynch Financial Consultant and who has invested in a mutual fund for which
Merrill Lynch has not served as a selected dealer if the following conditions
are satisfied: First, the investor must advise Merrill Lynch that he or she will
purchase Class D shares of the Fund with proceeds from a redemption of such
shares of other mutual funds and that such shares have been outstanding for a
period of no less than six months. Second, such purchase of Class D shares must
be made within 60 days after the redemption and the proceeds from the redemption
must have been maintained in the interim in cash or a money market fund.
 
     Class D shares of the Fund are also offered at net asset value, without
sales charge, to an investor who has a business relationship with a Merrill
Lynch Financial Consultant and who has invested in a mutual fund sponsored by a
non-Merrill Lynch company for which Merrill Lynch has served as a selected
dealer and where Merrill Lynch has either received or given notice that such
arrangement will be terminated ("notice"), if the following conditions are
satisfied: First, the investor must purchase Class D shares of the Fund with
proceeds from a redemption of shares of such other mutual fund and such fund was
subject to a sales charge either at the time of purchase or on a deferred basis.
Second, such purchase of Class D shares must be made within 90 days after such
notice.
 
     Class D shares of the Fund are offered at net asset value, without sales
charge, to an investor who has a business relationship with a financial
consultant who joined Merrill Lynch from another investment firm within six
months prior to the date of purchase by such investor, if the following
conditions are satisfied. First, the investor must advise Merrill Lynch that it
will purchase Class D shares with proceeds from a redemption of shares of a
mutual fund that was sponsored by the financial consultant's previous firm and
imposed a sales charge either at the time of purchase or on a deferred basis.
Second, the investor also must establish that such redemption had been made
within 60 days prior to the investment in the Fund, and the proceeds from the
redemption had been maintained in the interim in cash or a money market fund.
 
     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 investors.
 
                                       14
<PAGE>

     Acquisition of Certain Investment Companies.  The public offering price of
Class D shares of the Fund may be reduced to the net asset value per Class D
share in connection with the acquisition of the assets of or merger or
consolidation with a personal holding company or a public or private investment
company. The value of the assets or company acquired in a tax-free transaction
may in appropriate cases be adjusted to reduce possible adverse tax consequences
to the Fund which might result from an acquisition of assets having net
unrealized appreciation which is disproportionately higher at the time of
acquisition than the realized or unrealized appreciation of the Fund.
 
     The issuance of Class D shares for consideration other than cash is limited
to bona fide reorganizations, statutory mergers or other acquisitions of
portfolio securities which (i) meet the investment objectives and policies of
the Fund; (ii) are acquired for investment and not for resale (subject to the
understanding that the disposition of the Fund's portfolio securities shall at
all times remain within its control); and (iii) are liquid securities, the value
of which is readily ascertainable, which are not restricted as to transfer
either by law or liquidity of market (except that the Fund may acquire through
such transactions restricted or illiquid securities to the extent the Fund does
not exceed the applicable limits on acquisition of such securities set forth
under "Investment Objective and Policies" herein).
 
     Reductions in or exemptions from the imposition of a sales charge are due
to the nature of the investors and/or the reduced sales efforts that will be
needed in obtaining such investments.
 
   
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 chares if they are uncertain as to the length of time they
intend to hold their assets in MLAM-advised mutual funds. Class C shares,
however, are available only through the Exchange Privilege.
    
 
   
     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.
    
 
   
     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." Both Class B and Class C shares are subject to an ongoing account
maintenance fee and distribution fees; however, the ongoing account maintenance
fee and distribution fee potentially may be offset to the extent any return is
realized on the additional funds initially invested in Class B or Class C
shares.
    
 
   
     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
chares, 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, 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.
    
 
   
     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.
    
 
                                       15
<PAGE>

   
     Contingent Deferred Sales Charges--Class B Shares.  Class B shares that are
redeemed within one year 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 CDSC on Class B shares:
    
 
   
<TABLE>
<CAPTION>
                                                                                  CONTINGENT DEFERRED SALES
YEAR SINCE                                                                          CHARGE AS A PERCENTAGE
PURCHASE                                                                               OF DOLLAR AMOUNT
PAYMENT MADE                                                                          SUBJECT TO CHARGE
- -------------------------------------------------------------------------------   -------------------------
<S>                                                                               <C>
0-1............................................................................              1.0%
Thereafter.....................................................................              None
</TABLE>
    
 
   
     In determining whether a CDSC is applicable to a redemption, the
calculation will be determined in the manner that results in the lowest possible
applicable rate being charged. Therefore, it will be assumed that the redemption
is 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 CDSC will not be applied to dollar amounts representing an
increase in the net asset value since the time of purchase. A transfer of shares
from a shareholder's account to another account will be assumed to be made in
the same order as a redemption.
    
 
   
     To provide an example, assume an investor purchased 100 Class B shares at
$10 per share (at a cost of $1,000) and in the eighth month after purchase, the
net asset value per share is $12 and, during such time, the investor has
acquired 10 additional shares upon dividend reinvestment. If at such time the
investor makes his first redemption of 50 shares (proceeds of $600), 10 shares
will not be subject to charge because of dividend reinvestment. With respect to
the remaining 40 shares, the 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 to a CDSC at a rate of 1.0%
(the applicable rate in the first year after purchase).
    
 
   
     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 (including one who owns the Class B shares
as a joint tenant with his or her spouse) provided the redemption is requested
within one year of death or initial determination of disability. The Class B
CDSC also is waived on redemption of shares in connection with certain group
loans through the Merrill Lynch Blueprint(Service Mark) Program. See "Purchase
of Shares--Merrill Lynch Blueprint(Service Mark) Program." The CDSC is waived on
redemption of shares by certain eligible 401(a) and eligible 401(k) plans. The
CDSC is also waived for any Class B shares which are purchased by an eligible
401(k) or eligible 401(a) plan and are rolled over into a Merrill Lynch, Pierce,
Fenner & Smith Incorporated or Merrill Lynch Trust Company custodied IRA and
held in such account at the time of redemption and for any Class B shares that
were acquired and held at the time of the redemption in an Employee
Access(Service Mark) Account available through employers providing eligible
401(k) plans. The Class B CDSC also is waived for any Class B shares that 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 is also waived for any
Class B shares that are purchased within qualifying Employee Access(Service
Mark) Accounts. The terms of the CDSC may be modified for redemptions made in
connection with fund participation in certain fee-based programs. See
"Shareholder Services--Fee-Based Programs."
    
 
   
     Contingent Deferred Sales Charges--Class C Shares.  Class C shares which
are redeemed within one year of purchase may be subject to a 1.0% CDSC charged
as a percentage of the dollar amount subject thereto. The charge will be
assessed on an amount equal to the lesser of the proceeds of redemption or the
cost of the shares being redeemed. Accordingly, no Class C CDSC will be imposed
on increases in net asset value above the initial purchase price. In addition,
no Class C CDSC will be assessed on shares derived from reinvestment of
dividends or capital gains distributions. The Class C CDSC may be waived in
connection with certain fee-based programs. See "Shareholder Services--Fee-Based
Programs."
    
 
                                       16
<PAGE>

       

   
Class B Sales Charge - Information.
    
 
   
<TABLE>
<CAPTION>
                                            CLASS B SHARES*
- -------------------------------------------------------------------------------------------------------
       FOR THE FISCAL YEAR                  CDSCS RECEIVED                      CDSCS PAID TO
       ENDED OCTOBER 31,                    BY DISTRIBUTOR                      MERRILL LYNCH
- ---------------------------------  ---------------------------------  ---------------------------------
<S>                                <C>                                <C>
              1998                              $10,778                            $10,778
              1997                              $   210                            $   210
</TABLE>
    
 
   
* Additional Class B CDSCs payable to the Distributor with respect to the fiscal
  years ended October 31, 1997 and 1998 may have been waived or converted to a
  contingent obligation in connection with a shareholder's participation in
  certain fee-based programs.
    
 
   
     For the fiscal years ended October 31, 1997 and 1998, the Distributor 
received no CDSCs with respect to redemptions of Class C shares.
    
 
   
     In determining whether a Class C CDSC is applicable to 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 over one year or shares acquired pursuant to reinvestment of
dividends or distributions and then of shares held longest during the one-year
period. The charge will not be applied to dollar amounts representing an
increase in the net asset value since the time of purchase. A transfer of shares
from a shareholder's account to another account will be assumed to be made in
the same order as a redemption.
    
 
   
     Conversion of Class B Shares to Class D Shares.  After approximately ten
years (the "Conversion Period"), Class B shares will be converted automatically
into Class D shares. Class D shares are subject to an ongoing account
maintenance fee at an annual rate of 0.10% of average daily net assets, but are
not subject to the distribution fee that is borne by Class B shares. Automatic
conversion of Class B shares into Class D shares will occur at least once each
month (on the "Conversion Date") on the basis of the relative net asset values
of the shares of the two classes on the Conversion Date, without the imposition
of any sales load, fee or other charge. Conversion of Class B shares into 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.
    
 
   
     Class B shareholders holding certificates must deliver such certificates to
the Transfer Agent at least one week prior to the Conversion Date applicable to
those shares. Shares evidenced by certificates that are not received by the
Transfer Agent at least one week prior to the Conversion Date will be converted
into Class D shares on the next scheduled Conversion Date after such
certificates are delivered.
    
 
   
     In general, Class B shares of MLAM-advised equity mutual funds will convert
approximately eight years after initial purchase, and Class B shares of
MLAM-advised taxable and tax-exempt fixed income 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 per
share.
    
 
                                       17
<PAGE>

   
     In the event that all Class B shares held in a single account are converted
to Class D shares on a Conversion Date, shares representing reinvestment of
declared but unpaid dividends on those Class B shares also will be converted to
Class D shares; otherwise, only Class B shares purchased through reinvestment of
dividends paid will convert to Class D shares on the Conversion Date.
    
 
   
     The Conversion Period may also be modified for retirement plan investors
who participate in certain fee-based programs. See "Shareholder
Services--Fee-Based Programs."
    
 
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 "Fees and Expenses" in the Prospectus for certain
information with respect to the separate distribution plans of the Fund 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 or payable by the Fund to the Distributor with
respect to such classes.
    
 
   
     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 of the Fund's shares, accrued daily and paid
monthly, at the annual rate of 0.25% of average daily net assets of the relevant
class for Class B and Class C shares, and 0.10% of average daily net assets
attributable to the relevant class for Class D shares in order to compensate the
Distributor and Merrill Lynch (pursuant to a sub-agreement) in connection with
account maintenance activities.
    
 
   
     The Distribution Plans for Class B and Class C shares each provide that the
Fund also pays the Distributor a distribution fee relating to the shares of the
relevant class, accrued daily and paid monthly, at the annual rate of 0.25% of
average daily net assets attributable to the relevant class for Class B and
Class C shares, 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. 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 CDSC and ongoing distribution fees provide for the financing of the
distribution of the Fund's Class B and Class C shares.
    
 
   
     For the fiscal year ended October 31, 1998, the Fund paid the Distributor
$38,868 pursuant to the Class B Distribution Plan (based on average daily net
assets subject to such Class B Distribution Plan of approximately
$7.8 million), all of which was paid to Merrill Lynch for providing account
maintenance and distribution-related activities and services in connection with
Class B shares. For the fiscal year ended October 31, 1998, the Fund paid the
Distributor $1,938 pursuant to the Class C Distribution Plan (based on average
daily net assets subject to such Class C Distribution Plan of approximately $0.8
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 October 31, 1998, the Fund paid the
Distributor $28,168 pursuant to the Class D Distribution Plan (based on average
daily net assets subject to such Class D Distribution Plan of approximately
    
 
                                       18
<PAGE>

   
$28.2 million), all of which was paid to Merrill Lynch for providing account
maintenance activities in connection with the Class D shares.
    
 
   
     The payments under the Distribution Plans are based on a percentage of
average daily net assets attributable to the relevant shares regardless of the
amount of expenses incurred and, accordingly, distribution-related revenues from
the Distribution Plans may be more or less than distribution-related expenses.
Information with respect to the distribution-related revenues and expenses is
presented to the Trustees for their consideration in connection with their
deliberations as to the continuance of the Distribution Plans. This information
is to be presented annually as of December 31 of each year on a "fully allocated
accrual" basis and quarterly on a "direct expense and/revenue/cash" basis. On
the fully allocated accrual basis, revenues consist of the account maintenance
fees, distribution fees, the CDSC and certain other related revenues, and
expenses consist of financial consultant expenses, advertising, sales promotion
and marketing expenses, corporate overhead and interest expense. On the direct
expense and revenue/cash basis, revenues consist of the account maintenance
fees, distribution fees and the CDSC and the expenses consist of financial
consultation compensation.
    
 
   
     Direct cash revenues attributable to Class B shares for the period from
February 18, 1997 (commencement of operations) to October 31, 1998 exceeded
direct expenses for such period by $28,627 (representing .072% of net assets
attributable to Class B shares at that date. Direct cash revenues attributable
to Class C shares for the period from February 18, 1997 (commencement of
operations) to October 31, 1998 exceeded direct expenses for such period by
$1,594 (representing .034% of net assets attributable to Class C shares at that
date). Direct cash revenues attributable to Class D shares for the period from
November 11, 1996 to October 31, 1998 exceeded direct expenses for such period
by $690,841 (representing 2.00% of net assets attributable to Class D shares at
that date).
    
 
   
     The Fund has no obligation with respect to distributions and/or account
maintenance-related expenses incurred by the Distributor and Merrill Lynch in
connection with the Class B, Class C and Class D shares, and there is no
assurance that the Board of Trustees 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 Trustees will be asked to take into consideration
expenses incurred in connection with the account maintenance and/or distribution
of each class of shares separately. The initial sales charges, the account
maintenance 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.
    
 
     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 Trustees 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 Trustees must consider all
factors they deem relevant, including information as to the benefits of the
Distribution Plan to the Fund and its related class of shareholders. Each
Distribution Plan further provides that, so long as the Distribution Plan
remains in effect, the selection and nomination of Trustees who are not
"interested persons" of the Fund, as defined in the Investment Company Act (the
"Independent Trustees"), shall be committed to the discretion of the Independent
Trustees then in office. In approving each Distribution Plan in accordance with
Rule 12b-1, the Independent Trustees concluded that there is reasonable
likelihood that such Distribution Plan will benefit the Fund and its related
class of shareholders. Each Distribution Plan can be terminated at any time,
without penalty, by the vote of a majority of the Independent Trustees or by the
vote of the holders of a majority of the outstanding related class of voting
securities. A Distribution Plan cannot be amended to increase materially the
amount to be spent without the approval of the related class of shareholders,
and all material amendments are required to be approved by the vote of Trustees,
including a majority of the Independent Trustees who have no direct or indirect
financial interest in such Distribution Plan, cast in person at a meeting called
for that purpose. Rule 12b-1 further requires that the 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.
 
                                       19
<PAGE>

   
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 Fund's distribution
fee and the CDSC borne by the Class B and Class C shares but not the account
maintenance fees. The maximum sales charge rule is applied separately by each
class. As applicable to the Fund, the maximum sales charge rule limits the
aggregate of distribution fee payments and CDSCs payable to the sum of (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 reinvestment
and exchanges) and (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 the eligible gross sales. Consequently, the
maximum amount payable to the Distributor (referred to as the "voluntary
maximum") in connection with Class B shares is 6.75% of eligible gross sales.
The Distributor retains the right to stop waiving the interest charge 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.
    
 
   
     The table below sets forth comparative information for the period February
18, 1997 (commencement of Class B operations) to October 31, 1998 with respect
to the Class B shares of the Fund, indicating allowable payments that can be
made under the NASD maximum sales charge rule and the Distributor's voluntary
maximum. No information is presented for the Class C shares of the Fund because
Class C shares are not available for purchase but will be issued only pursuant
to the Exchange Privilege to holders of Class C shares of other MLAM-advised
mutual funds who elect to exchange Class C shares of such other MLAM-advised
mutual funds for Class C shares of the Fund.
    
 
   
                     DATA CALCULATED AS OF OCTOBER 31, 1998
                                 (IN THOUSANDS)
    
 
   
<TABLE>
<CAPTION>
                                                                                                                  ANNUAL
                                                                                                               DISTRIBUTION
                                          ALLOWABLE     ALLOWABLE                AMOUNTS                          FEE AT
                              ELIGIBLE    AGGREGATE     INTEREST     MAXIMUM    PREVIOUSLY        AGGREGATE      CURRENT
                               GROSS       SALES        ON UNPAID    AMOUNT      PAID TO           UNPAID       NET ASSET
                              SALES(1)    CHARGES      BALANCE(2)    PAYABLE    DISTRIBUTOR(3)     BALANCE       LEVEL(4)
                              --------    ---------    ----------    -------    --------------    ---------    ------------
<S>                           <C>         <C>          <C>           <C>        <C>               <C>          <C>
 
Under NASD Rule as
  Adopted..................
                              $  3,638     $   227        $  6       $  233          $ 32          $   201        $  100
Under Distributor's
  Voluntary Waiver.........   $  3,638     $   227        $ 18       $  245          $ 32          $   213        $  100
</TABLE>
    
 
- ------------------
   
(1) Purchase price of all eligible Class B shares sold since February 18, 1997
    (commencement of Class B operations) other than shares acquired through
    dividend reinvestment and the Exchange Privilege.
    
 
   
(2) Interest is computed on a monthly basis based upon the prime rate, as
    reported in The Wall Street Journal, plus 1.0%, 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 imposition of a sales charge, in Class A shares in
    conjunction with the shareholder's participation in the Merrill Lynch Fund
    Adviser (Merrill Lynch MFA(Service Mark)) Program (the "MFA Program"). The
    CDSC is booked as a contingent obligation that may be payable when the
    shareholder terminates participation in the MFA Program.
    
 
   
(4) Provided to illustrate the extent to which the current level of distribution
    fee payments (not including any CDSC payments) is amortizing the unpaid
    balance. No assurance can be given that payments of the distribution fee
    will reach either the voluntary maximum or the NASD maximum.
    
 
                                       20
<PAGE>

                              REDEMPTION OF SHARES
 
   
     Reference is made to "How to Buy, Sell, Transfer and Exchange Shares" in
the Prospectus.
    
 
   
     The Fund is required to redeem for cash all shares of the Fund upon receipt
of a written request in proper form. The redemption price is the net asset value
per share next determined after the initial receipt of proper notice of
redemption. Except for any CDSC that may be applicable, there will be no charge
for redemption if the redemption request is sent directly to the Transfer Agent.
Shareholders liquidating their holdings will receive upon redemption all
dividends reinvested through the date of redemption. The value of shares at the
time of redemption may be more or less than the shareholder's cost, depending in
part on the market value of the securities held by the Fund at such time.
    
 
   
     The right to redeem shares or to receive payment with respect to any
redemption may only be suspended for any period during which trading on the NYSE
is restricted as determined by the Commission or such Exchange is closed (other
than customary weekend and holiday closings), for any period during which an
emergency exists as defined by the Commission as a result of which disposal of
portfolio securities or determination of the net asset value of the Fund is not
reasonably practicable, and for such other periods as the Commission may by
order permit for the protection of shareholders of the Fund.
    
 
     The value of shares at the time of redemption may be more or less than the
shareholder's cost, depending on the market value of the securities held by the
Fund at such time.
 
   
REDEMPTION
    
 
   
     A shareholder wishing to redeem shares held with the Transfer Agent may do
so without charge by tendering the shares directly to the Transfer Agent at
Financial Data Services, Inc., P.O. Box 45289, Jacksonville, Florida 32232-5289.
Redemption requests delivered other than by mail should be delivered to
Financial Data Services, Inc., 4800 Deer Lake Drive East, Jacksonville Florida
32246-6484. Proper notice of redemption in the case of shares deposited with the
Transfer Agent may be accomplished by a written letter requesting redemption.
Proper notice of redemption in the case of shares for which certificates have
been issued may be accomplished by a written letter as noted above accompanied
by certificates for the shares to be redeemed. Redemption requests should not be
sent to the Fund. The redemption request in either event requires the
signature(s) of all persons in whose name(s) the shares are registered, signed
exactly as such name(s) appear(s) on the Transfer Agent's register. The
signature(s) on the redemption requests must be guaranteed by an "eligible
guarantor institution" 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, payments will be mailed within seven
days of receipt of a proper notice of redemption.
    
 
   
     At various time the Fund may be requested to redeem shares for which it has
not yet received good payment (e.g., cash, Federal funds or certified check
drawn on a United States bank). The 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, Federal funds or certified check drawn on a United States
bank) has been collected for the purchase of such Fund shares, which will not
exceed 10 days.
    
 
REPURCHASE
 
   
     The Fund will normally 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 fifteen minutes prior to the regular close
of business on the NYSE on the day received and is received by the Fund from
such dealer not later than 30 minutes after the close of business on the NYSE
(generally 4:00 p.m., Eastern time), 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 (generally 4:00 p.m., Eastern
time), in order to obtain that day's closing price.
    
 
   
     The foregoing repurchase arrangements are for the convenience of
shareholders and do not involve a charge by the Fund (other than any applicable
CDSC). Securities firms that do not have selected dealer agreements with the
Distributor 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 Fund's Transfer Agent are not
subject to the
    
 
                                       21
<PAGE>

   
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. A shareholder whose order for repurchase is
rejected by the Fund, however, may redeem shares as set forth above.
    
 
     For shareholders submitting their shares for repurchase through listed
securities dealers, payment for fractional shares will be made by the Transfer
Agent directly to the shareholder and payment for full shares will be made by
the securities dealer within seven days of the proper tender of the
certificates, if any, and stock power or letter requesting redemption, in each
instance with signatures guaranteed as noted in the Prospectus.
 
REINSTATEMENT PRIVILEGE
 
     Shareholders who have redeemed Class A or Class D shares, including
redemption through repurchase by the Fund, have a privilege to reinstate their
accounts by purchasing Class A or Class D shares, as the case may be, at the net
asset value of such shares without a sales charge up to the dollar amount
redeemed. The reinstatement privilege may be exercised as follows. A notice to
exercise this privilege along with a check for the amount to be reinstated must
be received by 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 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.
 
     If a shareholder disposes of shares within 90 days of their acquisition and
subsequently reacquires shares of the Fund pursuant to the reinstatement
privilege, then the shareholder's tax basis in those shares disposed of will be
reduced to the extent the load charge paid to the Fund upon the shareholder's
initial purchase reduces any load charge such shareholder would have been
required to pay on the subsequent acquisition in absence of the reinstatement
privilege. Instead, such load charge will be treated as an amount paid for the
subsequently acquired shares and will be included in the shareholder's tax basis
for such shares.
 
                                       22
<PAGE>

   
                               PRICING OF SHARES
    
 
DETERMINATION OF NET ASSET VALUE
 
   
     Reference is made to "How Shares are Priced" in the Prospectus. The net
asset value of the shares of the Fund is determined once daily by MLAM
immediately after the declaration of dividends as of 15 minutes after the close
of business on the New York Stock Exchange (the "NYSE") (generally 4:00 p.m.,
Eastern time) on days that the NYSE is open for business and on any other day on
which there is sufficient trading in the Fund's portfolio securities that net
asset value might be materially affected but only if on any such day the Fund is
required to sell or redeem shares. The NYSE is not open for business on the
following holidays: New Year's Day, Martin Luther King, Jr. Day, Presidents'
Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day
and Christmas Day. The net asset value per share of the Fund is computed by
dividing the sum of the value of the securities held by the Fund plus any cash
or other assets minus all liabilities by the total number of shares of the Fund
outstanding at such time, rounded to the nearest cent. Expenses, including the
investment advisory fee payable to MLAM 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. For the
fiscal year ended October 31, 1998, the Fund paid MLSPS $1,305 for securities
price quotations to compute the net asset value of the Fund.
    
 
     The per share net asset value of Class A shares generally will be higher
than the per share net asset value of shares of the other classes, reflecting
the daily expense accruals of the account maintenance, distribution and higher
transfer agency fees applicable with respect to Class B and Class C shares and
the daily expense accruals of the account maintenance fees applicable with
respect to Class D shares; moreover, the per share net asset value of Class D
shares generally will be higher than the per share net asset value of Class B
and Class C shares, reflecting the daily expense accruals of the distribution
and higher transfer agency fees applicable with respect to Class B and Class C
shares. It is expected, however, that the per share net asset value of the
classes will tend to converge (although not necessarily meet) immediately after
the payment of dividends or distributions which will differ by approximately the
amount of the expense accrual differentials between the classes.
 
     Portfolio securities that are traded in the over-the-counter market are
valued at the last available bid price as obtained from dealers who make a
market in the securities. Securities with remaining maturities of sixty days or
less are valued at amortized cost, which approximates market value. Securities
and assets for which market quotations are not readily available are valued at
fair value as determined in good faith by or under the direction of the Board of
Trustees of the Fund.
 
       
   
Computation of Offering Price Per Share
    
   
     An illustration of the computation of the offering price for Class A, Class
B, Class C and Class D shares of the Fund based on the value of the Fund's net
assets and number of shares outstanding on October 31, 1998 is set forth below:
    
   
                               Class A     Class B     Class C      Class D
                               --------------------------------------------
Net Assets.................    $1,904,433  $39,975,361 $4,674,312 $34,407,480
                               ==========  =========== ========== =========== 

Number of Shares Outstanding..    188,385    3,953,488    462,570  3,403,232
                               ==========  =========== ========== =========== 

Net Asset Value Per Share 
 (net assets divided by 
  number of shares 
  outstanding)................     $10.11       $10.11     $10.11     $10.11
                               ----------  ----------- ---------- ----------- 

Sales Charge (for Class[nb]A 
  and Class[nb]D shares; 
  5.25% of offering price; 
  5.54% of net asset value 
  per share)..................        .10           --         --       .10
                                ---------  ----------- ---------- ----------- 

Offering Price................     $10.21        10.11     $10.11    $10.21
                               ==========  =========== ========== =========== 
- -----------------
 * Rounded to the nearest one-hundreth percent; assumes maximum sales charge 
   is applicable.
    
   
** Class B and Class C shares are not subject to an initial sales charge but 
   may be subject to a CDSC on redemption of shares. See "Purchase of Shares
   --Deferred Sales Charge Alternatives--Class B and Class C Shared--
   Contingent Deferred Sales Charge--Class B Shares" and "--Contingent 
   Deferred Sales Charge--Class C Shares" herein.

    
 
   
                     PORTFOLIO TRANSACTIONS AND BROKERAGE
    
 
   
TRANSACTIONS IN PORTFOLIO SECURITIES
    
 
   
     Subject to policies established by the board of Trustees of the fund, the
Investment Adviser is responsible for the Fund's portfolio decisions and the
placing of the Fund's portfolio transactions. The Fund has no obligation to deal
with any dealer or group of dealers in the execution of transactions in
portfolio securities. Subject to the policy established by the Board of
Trustees, the Investment Adviser is primarily responsible for the portfolio
decisions of the Fund and the placing of its portfolio transactions. In placing
orders, it is the policy of the Fund to obtain the best price and execution for
its transactions. Affiliated persons of the Fund, including Merrill Lynch, may
serve as its broker in over-the-counter transactions conducted on an agency
basis.
    
 
     The obligations in which the Fund invests are traded primarily in the
over-the-counter market but may be traded on an exchange. Where possible, the
Fund will deal directly with the dealers who make a market in the securities
involved except in those circumstances where better prices and execution are
available elsewhere. Such dealers usually are acting as principal for their own
account. On occasion, securities may be purchased directly from the issuer. The
cost of executing portfolio transactions of the Fund will primarily consist of
dealer spreads and underwriting commissions.
 
                                       23

<PAGE>

     Under the Investment Company Act, persons affiliated with the Fund 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 Securities and Exchange Commission. Since over-the-counter ("OTC")
transactions are usually principal transactions, affiliated persons of the Fund,
including Merrill Lynch, may not serve as dealer in connection with transactions
with the Fund. Affiliated persons of the Fund may serve as broker for the Fund
in OTC transactions conducted on an agency basis. Certain court decisions have
raised questions as to the extent to which investment companies should seek
exemptions under the Investment Company Act in order to seek to recapture
underwriting and dealer spreads from affiliated entities. The Trustees have
considered all factors deemed relevant, and have made a determination not to
seek such recapture at this time. The Trustees will reconsider this matter from
time to time.
 
     In placing orders, it is the policy of the Fund to obtain the best net
results taking into account such factors as price (including the applicable
dealer spread), the size, type and difficulty of the transaction involved, the
firm's general execution and operational facilities, the firm's risk in
positioning the securities involved and the firm's provision of supplemental
investment research (such as economic data and market forecasts). Information so
received will be in addition to and not in lieu of the services required to be
performed by the Investment Adviser under its 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. In some cases, the
Investment Adviser may use such supplemental research in providing investment
advice to its other investment advisory accounts. While the Investment Adviser
generally seeks reasonably competitive spreads or commissions, the Fund will not
necessarily be paying the lowest spread or commission available.
 
     Securities held by the Fund may also be held by or be appropriate
investments for other funds for which the Investment Adviser or its affiliates
act as an adviser or by investment advisory clients of the Investment 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 for the Fund or other funds for
which they act as investment adviser or for their advisory clients arise for
consideration at or about the same time, transactions in such securities will be
made, insofar as feasible, for the respective funds and clients in a manner
deemed equitable to all. To the extent that transactions on behalf of more than
one client of the 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.
 
PORTFOLIO TURNOVER
 
   
     The Investment Adviser effects portfolio transactions without regard to
holding period if, in its judgment, such transactions are advisable in light of
a change in circumstances 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. 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) by the monthly average value of
the securities in the portfolio during the year. High portfolio turnover
involves correspondingly greater transaction costs in the form of dealer spread
and brokerage commissions, which are borne directly by the Fund, and may
increase the percentage of the Fund's distributions which are taxable to
shareholders as ordinary income.
    
 
                                       24
<PAGE>

       

   
                              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 and copies of the various plans described below 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 gains 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 gains 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.
 
     Shareholders considering transferring their Class A 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 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 individual retirement
account 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 with Merrill Lynch for those shares.
 
       

   
FEE-BASED PROGRAMS
    
 
   
     Certain Merrill Lynch fee-based programs, including pricing alternatives
for securities transactions (each referred to in this paragraph as a "Program"),
may permit the purchase of Class A shares at net asset value. Under specified
circumstances, participants in certain Programs may deposit other classes of
shares which will be exchanged for Class A shares. Initial or deferred sales
charges otherwise due in connection with such exchanges may be waived or
modified, as may the Conversion Period applicable to the deposited shares.
Termination of participation in a Program may result in the redemption of shares
held therein or the automatic exchange thereof to another class at net asset
value, which may be shares of a money market fund. In addition, upon termination
of participation in a Program, shares that have been held for less than
specified periods within such Program may be subject to a fee based upon the
current value of such shares. These Programs also generally prohibit such shares
from being transferred to another account at Merrill Lynch, to another
broker-dealer or to the Transfer Agent. Except in limited circumstances (which
may also involve an exchange as described above), such shares must be redeemed
and another class of shares purchased (which may involve the imposition of
initial or deferred sales charges and distribution and account maintenance fees)
in order for the investment not to be subject to Program fees. Additional
information regarding a specific Program (including charges and limitations on
transferability 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.
    
 
                                       25
<PAGE>

   
RETIREMENT PLANS
    
 
   
     Self-directed individual retirement accounts and other retirement plans are
available from Merrill Lynch. Under these plans, investments may be made in the
Fund and certain of the other mutual funds sponsored by Merrill Lynch as well as
in other securities. Merrill Lynch charges an initial establishment fee and an
annual custodial fee for each account. Information with respect to these plans
is available upon request from Merrill Lynch. The minimum initial purchase to
establish any such plan is $100 and the minimum subsequent purchase is $1.
    
 
   
     Any Retirement Plan which does not meet the qualifications to purchase
Class A or Class D shares at net asset value may purchase Class B shares with a
waiver of the CDSC upon redemption if the following qualifications are met. The
CDSC is waived for any Eligible 401(k) Plan redeeming Class B shares and is also
waived for Class B redemptions from a 401(a) plan qualified under the Code,
provided that each such plan has the same or an affiliated sponsoring employer
as an Eligible 401(k) Plan purchasing Class B shares ("Eligible 401(a) Plan").
Other tax qualified retirement plans within the meaning of Section 401(a) and
403(b) of the Code which are provided specialized services (e.g., plans whose
participants may direct on a daily basis their plan allocations among a menu of
investments) by independent administration firms contracted through Merrill
Lynch may also purchase Class B shares with a waiver of the CDSC. The CDSC is
also waived for any Class B shares which are purchased by an Eligible
401(k) Plan or Eligible 401(a) Plan and 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 is also waived for shares 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 minimum initial and subsequent purchase requirements are
waived in connection with all the above-referenced Retirement Plans.
    
 
       

   
EXCHANGE PRIVILEGE
    
 
   
     U.S. shareholders of each class of shares of the Fund have an exchange
privilege with certain other Select Pricing Funds and Summit Cash Reserves Fund
("Summit"), a series of Financial Institutions Series Trust, which is a Merrill
Lynch-sponsored money market fund specifically designated for exchange by
holders of Class A, Class B, Class C and Class D shares of Select Pricing 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 Select Pricing Fund if the shareholder holds any Class A shares of the
second fund in his account in which the exchange is made at the time of the
exchange or is otherwise eligible to purchase Class A shares of the second fund.
If the Class A shareholder wants to exchange Class A shares for shares of a
second Select Pricing Fund, and the shareholder does not hold Class A shares of
the second fund in his account at the time of the exchange and is not otherwise
eligible to acquire Class A shares of the second fund, the shareholder will
receive Class D shares of the second fund as a result of the exchange. Class D
shares also may be exchanged for Class A shares of a second Select Pricing Fund
at any time as long as, at the time of the exchange, the shareholder holds Class
A shares of the second fund in the account in which the exchange is made or is
otherwise eligible to purchase Class A shares of the second fund. Class B, Class
C and Class D shares will be exchangeable with shares of the same class of other
Select Pricing Funds. For purposes of computing the CDSC that may be payable
upon a disposition of the shares acquired in the exchange, the holding period
for the previously owned shares of the Fund is "tacked" to the holding period of
the newly acquired shares of the other Fund as more fully described below. Class
A, Class B, Class C and Class D shares also will be exchangeable for shares of
certain MLAM-advised money market funds 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 exchange within certain
retirement plans), Merrill Lynch USA 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 Select Pricing 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
    
 
                                       26
<PAGE>

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 exchanged into the Class A or
Class D shares of the other funds or into shares of the Class A and Class D
money market funds with or without a reduced 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 Select Pricing 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
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 higher of the fund's CDSC schedule or
the CDSC relating to the Class B shares of the fund from which the exchange has
been made. For purposes of computing the sales load that may be payable on a
disposition of the new Class B or Class C shares, the holding period for the
outstanding Class B or Class C shares is "tacked" to the holding period of the
new Class B or Class C shares. For example, an investor may exchange Class B
shares of the Fund for those of Merrill Lynch Special Value Fund, Inc. ("Special
Value Fund") after having held the Fund's Class B shares for two and a half
years. The 2% sales load that generally would apply to a redemption would not
apply to the exchange. Two years later the investor may decide to redeem the
Class B shares of Merrill Lynch Special Value Fund and receive cash. There will
be no CDSC due on this redemption, since by "tacking" the two and a half year
holding period of the Fund's Class B shares to the two year holding period for
the Merrill Lynch Special Value Fund Class B shares, the investor will be deemed
to have held the new Class B shares for more than four years.
    
 
     Shareholders also may exchange shares of the Fund into shares of a money
market fund advised by the Investment Adviser or its affiliates, but the period
of time that Class B or Class C shares are held in a Class B 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
a fund may, in turn, be exchanged back into Class B or Class C shares 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's Class B shares for two and a
half years and two 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 continues to hold for an additional one and a half years, any
subsequent redemption will not incur a CDSC.
 
   
     Prior to October 12, 1998, exchanges from the Fund and other Select Pricing
Funds into a money market fund were directed to certain Merrill Lynch-sponsored
money market funds other than Summit. Shareholders who have exchanged Selected
Pricing Fund shares for shares of such other money market funds and subsequently
wish to exchange those money market fund shares for shares of the Fund will be
subject to the CDSC schedule applicable to such Fund shares, if any. The holding
period for the money market fund shares will not count toward satisfaction of
the holding period requirement for reduction of the CDSC imposed on such shares,
if any, and, with respect to Class B shares, toward satisfaction of the
Conversion Period. However, the holding period for Class B or Class C shares
received in exchange for such money market fund shares will be aggregated with
the holding period for the original shares for purposes of reducing the CDSC or
satisfying the Conversion Period.
    
 
                                       27
<PAGE>

   
     Exchanges by Participants in the MFA Program. The exchange privilege is
modified with respect to certain retirement plans which participate in the MFA
program. Such retirement plans may exchange Class B, Class C or Class D shares
that have been held for at least one year for Class A shares of the same fund on
the basis of relative net asset values in connection with the commencement of
participation in the MFA program, i.e., no CDSC will apply. The one year holding
period does not apply to shares acquired through reinvestment of dividends. Upon
termination of participation in the MFA program, Class A shares will be
re-exchanged for the class of shares originally held. For purposes of computing
any CDSC that may be payable upon redemption of Class B or Class C shares so
reacquired, or the Conversion Period for Class B shares so reacquired, the
holding period for the Class A shares will be "tacked" to the holding period for
the Class B or Class C shares originally held. The Fund's exchange privilege is
also modified with respect to purchases of Class A and Class D shares by
non-retirement plan investors under the MFA program. First, the initial
allocation of assets is made under the MFA program. Then, any subsequent
exchange under the MFA program of Class A or Class D shares of a Select Pricing
Fund for Class A or Class D shares of the Fund will be made solely on the basis
of the relative net asset values of the shares being exchanged. Therefore, there
will not be a charge for any difference between the sales charge previously paid
on the shares of the other Select Pricing Fund and the sales charge payable on
the shares of the Fund being acquired in the exchange under the MFA program.
    
 
     To exercise the exchange privilege, shareholders should contact their
Merrill Lynch Financial Consultant who will advise the Fund of the exchange.
Before effecting an exchange, shareholders should obtain a currently effective
prospectus of the fund into which the exchange is to be made. Shareholders of
the Fund, and shareholders of the other funds described above with shares for
which certificates have not been issued, may exercise the exchange privilege by
wire through their securities dealers. The Fund reserves the right to require a
properly completed Exchange Application. This exchange privilege may be modified
or terminated in accordance with the rules of the SEC. The Fund reserves the
right to limit the number of times an investor may exercise the exchange
privilege. Certain funds may suspend the continuous offering of their shares to
the general public at any time and may thereafter resume such offering from time
to time. The exchange privilege is available only to U.S. shareholders in states
where the exchange legally may be made.
 
AUTOMATIC INVESTMENT PLANS
 
   
     A shareholder may make additions to an Investment Account at any time by
purchasing Class A shares (if he or she is an eligible Class A investor as
described in the Prospectus) or Class B or Class D shares at the applicable
public offering price either through the shareholder's securities dealer or by
mail directly to the Fund's 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. For
investors who buy shares of the Fund through Blueprint no minimum charge to the
investors' bank accounts is required. 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)/CBA(Registered) Automated
Investment Program.
    
 
   
AUTOMATIC DIVIDEND PROGRAM
    
 
   
     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 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 or
direct deposited on or about the payment date. No CDSC will be imposed on
redemptions 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 with Merrill Lynch or notify the Transfer
Agent in writing or by telephone (1-800-MER-FUND) 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.
 
                                       28
<PAGE>

   
SYSTEMATIC REDEMPTION PROGRAM
    
 
     A shareholder of the Fund may elect to receive systematic withdrawal
payments from an Investment Account of Class A, Class B, Class C or Class D
shares in the form of payments by check or through automatic payment by direct
deposit to his bank account 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 the current net asset value, 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 Class A, Class B,
Class C or Class D shares are redeemed from those on deposit in the
shareholder's account to provide the withdrawal payment specified by the
shareholder. The shareholder may specify either the dollar amount and class of
shares to be redeemed. Redemptions will be made at net asset value as determined
once by MLAM immediately after the declaration of dividends as of 15 minutes
after the close of business on the NYSE (generally 4:00 p.m., Eastern time) on
the 24th day of each month or the 24th day of the last month of each quarter,
whichever is applicable. If the NYSE is not open for business on such date, the
shares will be redeemed at the close of business on the following business day.
The check for the withdrawal payment will be mailed or the direct deposit 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 reinvested automatically 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 Transfer
Agent or the Distributor.
    
 
     Withdrawal payments should not be considered as dividends, yields 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 from which the shareholder has elected to make systematic
withdrawals.
 
     Alternatively, 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)/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 five 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 CMA(Registered)/CBA(Registered) 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)/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--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. If an investor wishes to change the amount
being withdrawn in a systematic withdrawal plan the investor should contact his
or her Financial Consultant.
    
 
                                       29
<PAGE>

       

   
                            DISTRIBUTIONS AND TAXES
    
 
   
DIVIDENDS AND DISTRIBUTIONS
    
 
   
     It is the Fund's intention to distribute substantially all of the net
investment income of the Fund, if any. The net investment income of the Fund is
declared as dividends daily immediately prior to the determination of the net
asset value of the Fund on that day and reinvested monthly in additional full
and fractional shares of the Fund at net asset value unless the shareholder
elects to receive such dividends in cash. The net investment income of the Fund
for dividend purposes consists of interest and dividends earned on portfolio
securities, less expenses, in each case computed since the most recent
determination of net asset value. Expenses of the Fund, including the advisory
fee and any account maintenance and/or distribution fees (if applicable), are
accrued daily. Shares will accrue dividends as long as they are issued and
outstanding. The per share dividends and distributions on Class B and Class C
shares will be lower than the per share dividends and distributions on Class A
and Class D shares as a result of the account maintenance, distribution and
higher transfer agency fees applicable to the Class B and Class C share.
Similarly, the per share dividends and distributions on Class D shares will be
lower than the per share dividends and distributions on Class A shares as result
of the account maintenance fees applicable with respect to the Class D shares.
See "Pricing of Shares--Determination of Net Asset Value." Shares are issued and
outstanding as of the settlement date of a purchase order to the settlement date
of a redemption order.
    
 
       

   
TAXES
    
 
   
     The Fund intends to continue to qualify for the special tax treatment
afforded regulated investment companies ("RICs") under the Internal Revenue Code
of 1986, as amended (the "Code"). As a RIC, in any fiscal year with respect to
which the Fund distributes at least 90% of its investment company taxable income
(which includes, among other items, dividends and interest but excludes net
long-term capital gains in excess of net short-term capital losses), the Fund
(but not its shareholders) generally will be relieved of Federal income tax on
the part of its net ordinary income and net realized capital gains (net
long-term capital gains in excess of the sum of net short-term capital losses
and capital loss carryovers from prior years, if any) which it distributes to
Class A, Class B, Class C and Class D shareholders. The Fund intends to
distribute substantially all of such income. To the extent the Fund retains its
net capital gains for investment, it will be subject under current tax rates to
a federal income tax at a maximum effective rate of 35% on the amount retained.
    
 
   
     The Code imposes a 4% nondeductible excise tax on a regulated investment
company, such as the Fund, if it does not distribute to its shareholders during
the calendar year an amount equal to the sum of (1) 98 percent of the Fund's
investment company income, with certain adjustments, for such calendar year,
(2) 98 percent of the Fund's capital gain net income for the one-year period
ending on October 31, of such calendar year, and (3) all ordinary income and
capital gains for previous years that were not distributed during such years.
While the Fund intends to distribute its income and capital gains in the manner
necessary to avoid 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. The excise tax is
imposed on the amount by which the regulated investment company does not meet
the foregoing distribution requirements.
    
 
   
     If in any taxable year the Fund fails to qualify as a RIC under the Code,
the Fund will be taxed in the same manner as an ordinary corporation, and
distributions to its shareholders will not be deductible by the Fund in
computing its taxable income. In addition, in the event of failure to qualify,
the Fund's distributions, to the extent derived from the Fund's current or
accumulated earnings and profits, will constitute dividends (eligible for the
corporate dividends-received deduction, subject to certain requirements) which
are taxable to shareholders as ordinary income, even though those distributions
might otherwise (at least in part) have been treated in the shareholders' hands
as long-term capital gains.
    
 
   
     If the Fund fails to qualify as a RIC for any year, it generally must pay
out its earnings and profits accumulated in that year less an interest charge to
the U.S. Treasury on 50% of such earnings and profits before it can again
qualify as a regulated investment company.
    
 
   
     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. Dividends and distributions will be taxable to
shareholders as ordinary income or capital gains, whether received in cash or
reinvested in additional shares of the Fund. Financial Data Services, Inc., 
the Fund's transfer agent, will send each shareholder a monthly dividend 
statement which
    
 
                                       30
<PAGE>

   
will include the amount of dividends paid and identify whether such dividend
represent ordinary income or capital gains. Distributions made from an excess of
net long-term capital gains over net short-term capital losses ("capital gain
dividends") are taxable to shareholders as long-term capital gains, regardless
of the length of time the shareholders has owned Fund shares. 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). Although the Fund may invest in certain municipal
securities, it is not anticipated that any portion of the dividends paid by the
Fund will qualify for tax-exempt treatment to shareholders.
    
 
   
     Generally, distributions paid by the Fund are treated as received in the
taxable year in which such distribution is made; however, any dividend declared
by the Fund in October, November or December of any calendar year, payable to
shareholders or recorded on specified date in such a month and actually paid
during January of the following year, will be treated as received on December 31
of the year in which declared.
    
 
   
     A shareholder will realize gain or loss on the sale or exchange of shares
of the Fund in an amount equal to the difference between the shareholder's
adjusted basis in the shares sold or exchanged and the amount realized on their
disposition. Generally, gain recognized by a shareholder on the sale of shares
held for more than one year will be taxable as long-term capital gain. If a
shareholder holds shares primarily for sale to customers in the ordinary course
of business rather than for investment, any gain recognized on the sale of those
shares would be taxable as ordinary income. Any loss recognized on a sale or
exchange will be disallowed to the extent the shares disposed of are replaced
within a period of 61 days beginning 30 days before and ending 30 days after the
shares are disposed of. In such a case, the basis of the shares acquired will be
adjusted to reflect the disallowed loss. Any loss recognized by a shareholder on
a disposition of Fund shares held by the shareholder for six months or less will
be treated as a long-term capital loss to the extent of any distributions of
capital gains dividends received or treated as having been received by the
shareholder with respect to such shares. Shareholders who acquire shares on
multiple dates should consult their tax advisers to determine how to allocate
the cost of stock for basis purposes.
    
 
   
     The maximum tax rates applicable to net capital gains recognized by
individuals and other non-corporate taxpayers are (i) the same as ordinary
income rates for capital assets held for one year or less and (ii) 20% for
capital assets held for more than one year. Shareholders should consult their
own tax advisers regarding the availability and effect of a certain tax election
to mark-to-market shares of the Fund held on January 1, 2001. Capital gains or
losses recognized by corporate shareholders are subject to tax at the ordinary
income tax rates applicable to corporations. The capital gains rates described
above apply to distributions of capital gain dividends by regulated investment
companies ("RICs") such as the Fund as well as to sales and exchanges of shares
in RICs such as the Fund. With respect to capital losses recognized on
dispositions of Fund shares held six months or less where such losses are
treated as long-term capital losses to the extent of prior capital gain
dividends received on such shares, it is unclear how such capital losses offset
the capital gains referred to above. Shareholders should consult their own tax
advisers as to the application of the capital gains rates to their particular
circumstances.
    
 
   
     No gain or loss will be recognized by Class B shareholders on the
conversion of their Class B shares for 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 of the converted Class B shares.
    
 
   
     Only dividends paid by the Fund which are attributable to dividends
received by the Fund will qualify for the 70% dividends-received deduction for
corporations. In addition, corporate shareholders must have held their shares in
the Fund for more than 45 days to qualify for the deduction on dividends paid by
the Fund. Because most of the Fund's income will be interest income, rather than
dividends on common or preferred stock, it is unlikely that any substantial
proportion of its distributions will be eligible for the dividends-received
deduction available for corporations under the Code.
    
 
   
     Ordinary income dividends paid to shareholders who are nonresident aliens,
trusts, estates, partnerships or corporations will be subject to a 30% United
States withholding tax under existing provisions of the Code unless a reduced
rate of withholding or a withholding exemption is provided under applicable
treaty law. Nonresident shareholders are urged to consult their own tax advisors
concerning the applicability of the United States withholding tax.
    
 
                                       31
<PAGE>

   
     Some shareholders may be subject to a 31% withholding tax on reportable
dividends, capital gains distributions and redemption payments ("backup
withholding"). Generally, shareholders subject to backup withholding will be
those for whom a certified taxpayer identification number is not 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 penalties of
perjury that such number is correct and that he is not otherwise subject to
backup withholding. Any amounts withheld may be credited against the
shareholder's U.S. federal income tax liability.
    
 
   
     The U.S. Internal Revenue Service has issued Treasury Regulations
("Regulations"), generally effective for payments made after December 31, 1998,
concerning the withholding of tax and reporting for certain amounts paid to
nonresident aliens and foreign corporations. Among other things, these
Regulations may require shareholders that are not United States persons within
the meaning of the Code to furnish new certification of their foreign status
after December 31, 1998. Shareholders should consult their own tax advisers
concerning the applicability and effect of such Regulations on an investment in
shares of the Fund.
    
 
   
     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 United States may reduce or eliminate such taxes.
    
 
   
     In the event the Fund retains any net capital gains, it may designate such
retained amounts as undistributed capital gains in a notice to its shareholders.
In the event such a designation is made, shareholders subject to U.S. tax would
include in income, as long-term capital gains, their proportionate share of such
undistributed amounts, but would be allowed a credit or refund, as the case may
be, for their proportionate share of the 35% tax paid by the Fund. If the
designation is made, for U.S. federal income tax purposes, the tax basis of
shares owned by a shareholder would be increased by an amount equal to the
difference between (i) the amount included in such shareholder's income as
long-term capital gains and (ii) such shareholder's proportionate share of the
35% tax paid by the Fund.
    
 
   
     At October 31, 1998, the Fund had a net capital loss carry-forward of
approximately $7,075,000 ($3,224,000 expires in 2002, $1,996,000 expires in
2003, $977,000 expires in 2004 and $878,000 expires in 2005), which will be
available to offset like amounts of any future taxable gains. Expired capital
loss carryforward in the amount of $3,938,679 has been reclassified to paid-in
capital in excess of par.
    
 
   
     The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Regulations presently in effect. For the complete
provisions, reference should be made to the pertinent sections of the Code and
the Regulations promulgated thereunder. The Code and Regulations are subject to
change by legislative, judicial or administrative action either prospectively or
retroactively.
    
 
   
     Shareholders are advised to consult their own tax advisers with respect to
the application to their own circumstances of the above-described general
taxation rules and with respect to the federal, state, local or foreign tax
consequences to them of an investment in shares of the Fund.
    
 
                                PERFORMANCE DATA
 
     From time to time the Fund may include its average annual total return and
other total return data, as well as yield, 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 and yield are determined
separately for Class A, Class B, Class C and Class D shares in accordance with
formulas specified by the SEC and take into account the maximum applicable sales
charge.
 
   
     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.
    
 
   
     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
    
 
                                       32
<PAGE>

   
maintenance fees and distribution charges and any incremental transfer agency
costs relating to each class of shares will be borne exclusively by that class.
The Fund will include performance data for all classes of shares in any
advertisement or information including performance data of the Fund.
    
 
   
     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) the rates of return calculated will not be average annual rates,
but rather, actual annual, annualized or aggregate rate of return and (2) the
maximum applicable sales charge 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 charge, actual annual or annualized total return data generally will be
lower than average annual total return data since the average rates of return
reflect compounding of return; aggregate total return data generally will be
higher than average annual total return data since the aggregate rates of return
reflect compounding over a longer period of time. In advertisements distributed
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 contingent deferred sales charges and therefore may
reflect greater total return since, due to the reduced sales charges or waiver
of the contingent deferred sales charge, a lower amount of expenses is deducted.
The Fund's total return may be expressed either as a percentage or as a dollar
amount in order to illustrate such total return on a hypothetical investment in
the Fund at the beginning of each specified period.
    
 
   
     Yield quotations will be computed based on a 30-day period by dividing
(a) the net income based on the yield to maturity of each security earned during
the period by (b) the average daily number of shares outstanding during the
period that were entitled to receive dividends multiplied by the maximum
offering price per share on the last day of the period. The yield for the 30-day
period ended October 31, 1998 was: 3.71% for Class A shares, 3.51% for Class B
shares, 3.79% for Class C shares and 3.93% for Class D shares.
    
 
   
     In connection with its reorganization at the close of business on February
14, 1997, the Fund changed its investment objective from investing only in
assets which would permit shares of the Fund to qualify both as "liquid assets"
under the regulations of the Office of Thrift Supervision and as an investment
permitted by the regulations of the National Credit Union Association to seeking
the highest possible current income consistent with the protection of capital
afforded by investing in intermediate-term debt securities issued or guaranteed
by the U.S. Government, its agencies or instrumentalities with a maximum
maturity not to exceed fifteen years and, under normal market conditions, a
dollar-weighted average maturity of six to eight years. For the period from the
commencement of the Fund's operations through its reorganization at the close of
business on February 14, 1997, the portfolio of the Fund has consisted primarily
of securities issued by the U.S. government and its agencies and
instrumentalities. The average maturity of the Fund's portfolio during this
period (generally ranging from two to five years) has been somewhat shorter than
the average maturity of the Fund of six to eight years following the change in
its investment objective upon its reorganization. As a result, financial
information for operations of the Fund prior to its reorganization may not be
indicative of its performance following its reorganization.
    
 
   
     Total return and yield figures are based on the Fund's historical
performance and are not intended to indicate future performance. The Fund's
total return and yield will vary depending on market conditions, the securities
held by the Fund, 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.
    
 
   
     Set forth on the next page is total return information relating to the
periods prior and subsequent to the reorganization of the Fund. In connection
with its reorganization at the close of business on February 14, 1997, the Fund
changed its investment objective from investing only in assets which would
permit shares of the Fund to qualify both as "liquid assets" under the
regulations of the Office of Thrift Supervision and as an investment permitted
by the regulations of the National Credit Union Association to seeking the
highest possible current income consistent with the protection of capital
afforded by investing in intermediate-term debt securities issued or guaranteed
by the U.S. Government, its agencies or instrumentalities with a maximum
maturity not to exceed fifteen years and, under normal market conditions, a
dollar-weighted average maturity of six to eight years. For the period from the
commencement of the Fund's operations through its reorganization at the close of
business on
    
 
                                       33
<PAGE>

February 14, 1997, the portfolio of the Fund consisted primarily of securities
issued by the U.S. government and its agencies and instrumentalities. The
average maturity of the Fund's portfolio during this period (generally ranging
from two to five years) has been somewhat shorter than the average maturity of
the Fund of six to eight years following the change in its investment objective
upon its reorganization. As a result, the financial information in the table
below for operations of the Fund prior to its reorganization may not be
indicative of its performance following its reorganization.
 
   
<TABLE>
<CAPTION>
                                                                                                                     
                                                                                                                     
                                                                                                 REDEEMABLE VALUE OF 
                                                                          EXPRESSED AS A           A HYPOTHETICAL    
                                                                       PERCENTAGE BASED ON A     $1,000 INVESTMENT    
                                                                        HYPOTHETICAL $1,000          AT THE END OF    
PRIOR TO THE REORGANIZATION ON FEBRUARY 14, 1997                            INVESTMENT                THE PERIOD     
- --------------------------------------------------------------------   ---------------------     -------------------
                               PERIOD                                            ANNUAL TOTAL RETURN
<S>                                                                    <C>                       <C>
One Year Ended October 31, 1996.....................................             4.87%                $1,048.70
One Year Ended October 31, 1995.....................................             9.00%                $1,090.00
One Year Ended October 31, 1994.....................................            (1.54)%               $  984.60
One Year Ended October 31, 1993.....................................             8.07%                $1,080.70
One Year Ended October 31, 1992.....................................             9.66%                $1,096.60
One Year Ended October 31, 1991.....................................            12.62%                $1,126.20
One Year Ended October 31, 1990.....................................             7.75%                $1,077.50
One Year Ended October 31, 1989.....................................             9.12%                $1,091.20
One Year Ended October 31, 1988.....................................             7.29%                $1,072.90
Inception (November 6, 1986) to October 31, 1987....................             3.18%                $1,031.80
<CAPTION>
                                                                                  AGGREGATE TOTAL RETURN
                                                                                                 REDEEMABLE VALUE OF 
                                                                          EXPRESSED AS A           A HYPOTHETICAL    
                                                                       PERCENTAGE BASED ON A     $1,000 INVESTMENT    
                                                                        HYPOTHETICAL $1,000          AT THE END OF    
CLASS A SHARES                                                              INVESTMENT                THE PERIOD     
- --------------------------------------------------------------------   ---------------------     -------------------
                               PERIOD                                           AVERAGE ANNUAL TOTAL RETURN           
                               ------                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)  
<S>                                                                       <C>                      <C>
One Year Ended Ended October 31, 1998.........................                9.13%                  $1,091.30
Inception (February 18, 1997) to October 31, 1998.............                8.37%                  $1,146.30
<CAPTION>
                                                                                     ANNUAL TOTAL RETURN
                                                                        (EXCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                        <C>                      <C>
One Year Ended October 31, 1998...............................               10.23%                  $1,102.30
Inception (February 18, 1997) to October 31, 1998.............                5.04%                  $1,050.40

<CAPTION>
                                                                                  AGGREGATE TOTAL RETURN
                                                                        (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                        <C>                      <C>
Inception (February 18, 1997) to October 31, 1998.............               14.63%                  $1,146.30
<CAPTION>
                                                                                                 REDEEMABLE VALUE OF 
                                                                          EXPRESSED AS A           A HYPOTHETICAL    
                                                                       PERCENTAGE BASED ON A     $1,000 INVESTMENT    
                                                                        HYPOTHETICAL $1,000          AT THE END OF    
CLASS B SHARES                                                              INVESTMENT                THE PERIOD     
- --------------------------------------------------------------------   ---------------------     -------------------
                               PERIOD                                           AVERAGE ANNUAL TOTAL RETURN           
                               ------                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)  
<S>                                                                         <C>                      <C>
One Year Ended Ended October 31, 1998.........................                8.68%                  $1,086.80
Inception (February 18, 1997) to October 31, 1998.............                8.55%                  $1,149.60
<CAPTION>
                                                                                     ANNUAL TOTAL RETURN
                                                                        (EXCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                          <C>                    <C>
One Year Ended October 31, 1998..............................               9.68%                  $1,096.80
Inception (February 18, 1997) to October 31, 1998............               4.81%                  $1,048.10
<CAPTION>
                                                                                  AGGREGATE TOTAL RETURN
                                                                        (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                         <C>                     <C>
Inception (February 18, 1997) to October 31, 1998.............               14.96%                  $1,149.60
</TABLE>
    
                                      34
<PAGE>

   
<TABLE>
<CAPTION>
                                                                                                 REDEEMABLE VALUE OF 
                                                                          EXPRESSED AS A           A HYPOTHETICAL    
                                                                       PERCENTAGE BASED ON A     $1,000 INVESTMENT    
                                                                        HYPOTHETICAL $1,000          AT THE END OF    
CLASS C SHARES                                                              INVESTMENT                THE PERIOD     
- --------------------------------------------------------------------   ---------------------     -------------------
                               PERIOD                                           AVERAGE ANNUAL TOTAL RETURN           
                               ------                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)  
<S>                                                                         <C>                      <C>
One Year Ended Ended October 31, 1998.........................                9.05%                  $1,090.50
Inception (February 18, 1997) to October 31, 1998.............                8.63%                  $1,150.90
<CAPTION>
                                                                                     ANNUAL TOTAL RETURN
                                                                        (EXCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                         <C>                      <C>
One Year Ended October 31, 1998...............................               10.05%                  $1,100.50
Inception (February 18, 1997) to October 31, 1998.............                4.50%                  $1,045.70
<CAPTION>
                                                                                  AGGREGATE TOTAL RETURN
                                                                     (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                         <C>                      <C>
Inception (February 18, 1997) to October 31, 1998.............               15.09%                  $1,150.90
<CAPTION>
                                                                                                 REDEEMABLE VALUE OF 
                                                                          EXPRESSED AS A           A HYPOTHETICAL    
                                                                       PERCENTAGE BASED ON A     $1,000 INVESTMENT    
                                                                        HYPOTHETICAL $1,000          AT THE END OF    
CLASS D SHARES                                                              INVESTMENT                THE PERIOD     
- --------------------------------------------------------------------   ---------------------     -------------------
                               PERIOD                                           AVERAGE ANNUAL TOTAL RETURN           
                               ------                                   (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)  
<S>                                                                         <C>                      <C>
One Year Ended Ended October 31, 1998.........................                9.02%                  $1,090.20
Five Years Ended October 31, 1998.............................                5.52%                  $1,308.00
Ten Years Ended October 31, 1998..............................                7.46%                  $2,052.40
<CAPTION>
                                                                                     ANNUAL TOTAL RETURN
                                                                        (EXCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                         <C>                      <C>
One Year Ended October 31, 1998...............................               10.12%                  $1,101.20
<CAPTION>
                                                                                  AGGREGATE TOTAL RETURN
                                                                        (INCLUDING MAXIMUM APPLICABLE SALES CHARGES)
<S>                                                                         <C>                      <C>
Inception (November 6, 1986) to October 31, 1998..............               127.21%                 $2,272.10
</TABLE>
    

     In order to reflect the reduced sales charges applicable to certain
investors, as described under "Purchase of Shares," the total return data quoted
by the Fund in advertisements directed to such investors whose purchases are
subject to reduced sales load, in the case of Class A and Class D shares, or
waiver of the contingent deferred sales charge in the case of Class B and
Class C shares, may take into account the reduced, and not the maximum, sales
charge or may not take into account the contingent deferred sales charge and
therefore may reflect greater total return since, due to the reduced sales
charge, a lower amount of expenses is deducted.
 
   
     On occasion, the Fund may compare its performance to that of 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. Magazine, U.S. News & World Report, Business Week, CDA Investment
Technology, Inc., Forbes Magazine and Fortune Magazine or other industry
publications. When comparing its performance to a market index, the Fund may
refer to various statistical measures derived from the historic performance of
the Fund and the index, such as standard deviation and beta. As with other
performance data, performance comparisons should not be considered indicative of
the Fund's relative performance for any future period. In addition, from time to
time the Fund may include its risk-adjusted performance ratings assigned by
Morningstar Publications, Inc. in advertising or supplemental sales literature.
    
 
   
     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.
    
 
                                       35
<PAGE>

       

   
                              GENERAL INFORMATION
    
 
       

   
DESCRIPTION OF SHARES
    
 
     The Fund was organized as an unincorporated business trust under the laws
of Massachusetts under the name "Merrill Lynch Institutional Intermediate Fund"
on September 10, 1986. At the close of business on February 14, 1997, the Fund
was reorganized and changed its name to "Merrill Lynch Intermediate Government
Bond Fund." Its executive offices are located at One Financial Center, 23rd
Floor, Boston, Massachusetts 02111-2646 (telephone toll free 800-225-1576).
Under the Declaration of Trust, the Trustees are authorized to issue an
indefinite number of shares of $0.10 par value of one or more classes, and the
Trustees have designated four classes: "Class A Common Stock," "Class B Common
Stock," "Class C Common Stock" and "Class D Common Stock." Each Class A,
Class B, Class C and Class D share of Common Stock has equal voting rights, and
each such issued and outstanding share is entitled to one vote and to
participate equally in dividends and distributions declared by the Fund and in
net assets of the Fund upon liquidation or dissolution remaining after
satisfaction of outstanding liabilities. The shares of the Fund, when issued,
will be fully paid and non-assessable, be freely transferable and have no
preference, preemptive, conversion or similar rights, except that the Class B,
Class C and Class D shares bear certain expenses related to the account
maintenance fees associated with such shares, and Class B and Class C shares
bear certain expenses related to the distribution of such shares. Each class has
exclusive voting rights with respect to matters relating to such account
maintenance and distribution expenditures, as applicable. See "Purchase of
Shares." The Trustees are authorized to divide or combine such shares into a
greater or lesser number of shares and to classify and reclassify the shares of
the Fund into additional classes of Common Stock at a future date. Shares of the
Fund outstanding on the date the Fund was reorganized were reclassified as
Class D shares.
 
     There will normally be no meetings of shareholders for the purpose of
electing Trustees unless and until such time as less than a majority of the
Trustees holding office have been elected by shareholders, at which time the
Trustees then in office will call a shareholders' meeting for the election of
trustees. Shareholders may, in accordance with the Declaration of Trust, cause a
meeting of shareholders to be held for the purpose of voting on the removal of
Trustees. Meetings of the shareholders will be called upon written request of
shareholders holding in the aggregate not less than 10% of the outstanding
shares having voting rights. Except as set forth above, the Trustees will
continue to hold office and appoint successor trustees. Shares do not have
cumulative voting rights and the holders of more than 50% of the shares of the
Fund voting for the election of Trustees can elect all of the Trustees of the
Fund if they choose to do so and in such event the holders of the remaining
shares would not be able to elect any Trustees. Holders of shares of the Fund
are entitled to redeem their shares as set forth under "Redemption of Shares."
No amendment may be made to the Declaration of Trust without the affirmative
vote of a majority of the outstanding shares of the Fund.
 
     The Declaration of Trust establishing the Fund, dated September 10, 1986, a
copy of which, together with all amendments thereto (the "Declaration"), is on
file in the office of the Secretary of the Commonwealth of Massachusetts,
provides that the name of the Fund refers to the trustees under the Declaration
collectively as trustees, but not as individuals or personally, and no trustee,
shareholder, officer, employee or agent of the Fund may be held to any personal
liability, nor may resort be had to their private property for the satisfaction
of any obligation or claim otherwise in connection with the affairs of the Fund
but the Fund's property only shall be liable.
 
     Under a separate agreement Merrill Lynch 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 Merrill Lynch, under certain
conditions, the use of any other name it might assume in the future, with
respect to any corporation organized by Merrill Lynch.
 
       

   
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 ratification by the shareholders of the Fund.
The independent auditors are responsible for auditing the annual financial
statements of the Fund.
 
                                       36
<PAGE>

       

   
CUSTODIAN
    
 
   
     State Street Bank and Trust Company, P.O. Box 351, Boston, Massachusetts
02101 (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
    
 
   
     Financial Data Services, Inc., 4800 Deer Lake Drive East,
Jacksonville, Florida 32246-6484 (the "Transfer Agent"), acts as of the Fund's
Transfer Agent. The Transfer Agent is responsible for the issuance, transfer and
redemption of shares and the opening, maintenance and servicing of shareholder
accounts.
    
 
       

   
LEGAL COUNSEL
    
 
     Rogers & Wells LLP, 200 Park Avenue, New York, New York 10166, is counsel
for the Fund.
 
       

   
REPORTS TO SHAREHOLDERS
    
 
   
     The fiscal year of the Fund ends on October 31st 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.
    
 
   
SHAREHOLDER INQUIRIES
    
 
   
     Shareholder inquiries may be addressed to the Fund at the address or
telephone number set forth on the cover page of this Statement of Additional
Information.
    
 
   
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 Securities and Exchange
Commission, Washington, D.C., under the Securities Act and the Investment
Company Act, to which reference is hereby made.
    
 
   
     To the knowledge of the Fund, no person or entity owned beneficially 5% or
more of the Fund's shares as of [           ], 1998 with the exception of
[           ].
    
 
   
                              FINANCIAL STATEMENTS
    
 
   
     The Fund's audited financial statements are incorporated in this Statement
of Additional Information by reference to its 1998 annual report to
shareholders. You may request a copy of the annual report at no charge by
calling (800) 456-4587 ext. 789 between 8:00 a.m. and 8:00 p.m. on any business
day.
    
 
                                       37

<PAGE>

                           PART C. OTHER INFORMATION
 
   
ITEM 23. EXHIBITS.
    
 
   
<TABLE>
<CAPTION>

EXHIBIT
NUMBER   DESCRIPTION
- ------   -----------------------------------------------------------------------------------------------------------
<S>      <C>   <C>
  1(a)    --   Declaration of Trust (incorporated by reference to Exhibit 1 to Registrant's Registration Statement
               on Form N-1A (File No. 33-8708)).
  1(b)    --   Form of Amendment to Declaration of Trust
  2       --   By-Laws of Registrant (incorporated by reference to Exhibit 2 to Registrant's Registration Statement
               on Form N-1A (File No. 33-8708)).
  3       --   None.
  4       --   Specimen certificates for Class A, Class B, Class C and Class D shares of beneficial interest of Fund
               (incorporated by reference to Exhibit 4 to Post-Effective Amendment No. 12 to Registrant's
               Registration Statement on Form N-1A (File No. 33-8708) ).
  5       --   Form of Investment Advisory Agreement (incorporated by reference to Exhibit 5 to Post-Effective
               Admendment No. 1 Registrant's Registration Statement on Form N-1A (File FNol 33-8708)).
  5(a)    --   Form of Sub-Advisory Agreement between Fund Asset Management, L.P. and Merrill Lynch Asset Management
               U.K. Limited (incorporated by reference to exhibit 5(a) to Post-Effective Amendment No. 13 to
               Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
  6(a)    --   Form of Class A Distribution Agreement between Registrant and Merrill Lynch Funds Distributor, Inc.
               (including form of Selected Dealer Agreement) (incorporated by reference to Exhibit 6(a) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
  6(b)    --   Form of Class B Distribution Agreement between Registrant and Merrill Lynch Funds Distributor, Inc.
               (including form of Selected Dealer Agreement)) (incorporated by reference to Exhibit 6(b) to Post
               Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
  6(c)    --   Form of Class C Distribution Agreement between Registrant and Merrill Lynch Funds Distributor, Inc.
               (including form of Selected Dealer Agreement) (incorporated by reference to Exhibit 6(c) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
  6(d)    --   Form of Class D Distribution Agreement between Registrant and Merrill Lynch Funds Distributor, Inc.
               (including form of Selected Dealer Agreement) (incorporated by reference to Exhibit 6(d) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
  7       --   None.
  8       --   Form of Custodian Agreement (incorporated by reference to Exhibit 8 to Pre-Effective Amendment No. 1
               to Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
  9(a)    --   Form of Transfer Agency, Dividend Disbursing Agency and Shareholder Servicing Agency Agreement
               between Registrant and Merrill Lynch Financial Data Services, Inc. (incorporated by reference to
               Exhibit 9(a) to Post-Effective Amendment No. 12 to Registrant's Registration Statement on Form N-1A
               (File No. 33-8708)).
  9(b)    --   Form of Agreement relating to the use of the "Merrill Lynch" name (incorporated by reference to
               Exhibit 9(b) to Pre-Effective Amendment No. 1 to Registrant's Registration Statement on Form N-1A
               (File No. 33-8708)).
 10       --   Opinion of Counsel. (incorporated by reference to Exhibit 10 to Post-Effective Amendment No. 13 to
               Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
 11       --   Consent of Deloitte & Touche LLP, independent auditors for the Registrant.*
 12       --   None.
</TABLE>
    
 
                                      C-1
<PAGE>

   
<TABLE>
<CAPTION>

EXHIBIT
NUMBER   DESCRIPTION
- ------   -----------------------------------------------------------------------------------------------------------
<S>      <C>   <C>
 13(a)    --   None.
 14       --   None.
 15(a)    --   Form of Class B Distribution Plan of Registrant (incorporated by reference to Exhibit 15(a) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
 15(b)    --   Form of Class C Distribution Plan of Registrant (incorporated by reference to Exhibit 15(b) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
 15(c)    --   Form of Class D Distribution Plan of Registrant (incorporated by reference to Exhibit 15(c) to
               Post-Effective Amendment No. 10 to Registrant's Registration Statement on Form N-1A (File
               No. 33-8708)).
 16       --   Schedule for computation of each performance quotation provided in the Registration Statement in
               response to Item 22 (incorporated by reference to Exhibit 16 to Post-Effective Amendment No. 2 to
               Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
 17       --   None.
 18       --   Form of plan under Rule 18f-3 (incorporated by reference to Exhibit 18 to Post-Effective Amendment
               No. 10 to Registrant's Registration Statement on Form N-1A (File No. 33-8708)).
 27(a)    --   Financial Data Schedule--Class A shares,*
 27(b)    --   Financial Data Schedule--Class B shares,*
 27(c)    --   Financial Data Schedule--Class C shares,*
 27(d)    --   Financial Data Schedule--Class D shares,*
</TABLE>
    
 
- ------------------
* Filed herewith.
 
   
ITEM 24. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.
    
 
   
     The Registrant is not controlled by or under common control with any other
person.
    
 
ITEM 25. NUMBER OF HOLDERS OF SECURITIES.
 
   
<TABLE>
<CAPTION>
                                                                                                NUMBER OF
                                                                                                HOLDERS AT
TITLE OF CLASS                                                                                 [           ], 1998
- --------------------------------------------------------------------------------------------   -------------------
<S>                                                                                            <C>
Class A common stock, par value $0.10 per share.............................................
Class B common stock, par value $0.10 per share.............................................
Class C common stock, par value $0.10 per share.............................................
Class D common stock, par value $0.10 per share.............................................
</TABLE>
    
 
- ------------------
Note: The number of holders shown in the table above includes holders of record
      plus beneficial owners, whose shares are held of record by Merrill Lynch,
      Pierce, Fenner & Smith Incorporated.
 
   
ITEM 26. IDEMNIFICATION.
    
 
     Reference is made to Section 5.3 of Registrant's Declaration of Trust.
 
     Insofar as the conditional advancing of indemnification monies for actions
based upon the Investment Company Act of 1940 may be concerned, such payments
will be made only on the following conditions: (i) the advances must be limited
to amounts used, or to be used, for the preparation or presentation of a defense
to the action, including costs connected with the preparation of a settlement;
(ii) advances may be made only upon receipt of a written promise by, or on
behalf of, the recipient to repay that amount of the advance which exceeds that
amount to which it is ultimately determined that he is entitled to receive from
the Registrant by reason of indemnification; and (iii) (a) such promise must be
secured by a surety bond, other suitable insurance of 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
 
                                      C-2
<PAGE>

(b) a majority of a quorum of the Registrant's disinterested, non-party
trustees, or an independent legal counsel in a written opinion, shall determine,
based upon a review of readily available facts, that the recipient of the
advance ultimately will be found entitled to indemnification.
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to trustees, officers and controlling persons of the
Registrant 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 Act and is
therefore unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred
or paid by a trustee, officer, or controlling person of the Registrant in
connection with the successful defense of any action, suit or proceeding) is
asserted by such trustee, officer or controlling person in connection with
shares being registered, the Registrant will, unless in the opinion of its
counsel that 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 Act and will be governed by the final
adjudication of such issue.
 
   
ITEM 27. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.
    
 
   
Merrill Lynch Asset Management, L.P. ("MLAM" or the "Investment Adviser"), an
affiliate of FAM, acts as the investment adviser for the following open-end
registered investment companies: Merrill Lynch Adjustable Rate Securities Fund,
Inc., Merrill Lynch Americas Income Fund, Inc., Merrill Lynch Asset Builder
Program, Inc., Merrill Lynch Asset Growth Fund, Inc., Merrill Lynch Asset Income
Fund, Inc., Merrill Lynch Capital Fund, Inc., Merrill Lynch Developing Capital
Markets Fund, Inc., Merrill Lynch Convertible Fund, Inc., Merrill Lynch Dragon
Fund, Inc., Merrill Lynch EuroFund, Merrill Lynch Fundamental Growth Fund, 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 Holdings, Inc., Merrill Lynch Global Growth Fund, Inc., Merrill
Lynch Global Resources Trust, Merrill Lynch Global SmallCap Fund, Inc., Merrill
Lynch Global Technology Fund, Inc., Merrill Lynch Global Utility Fund, Inc.,
Merrill Lynch Global Value Fund, Inc., Merrill Lynch Growth Fund, Merrill Lynch
Healthcare Fund, Inc., Merrill Lynch Intermediate Government Bond Fund, Merrill
Lynch International Equity Fund, Merrill Lynch Latin America Fund, Inc., Merrill
Lynch Middle East/Africa Fund, Inc., Merrill Lynch Municipal Series Trust,
Merrill Lynch Pacific Fund, Inc., Merrill Lynch Ready Assets Trust, Merrill
Lynch Real Estate Fund, Inc., Merrill Lynch Retirement Series Trust, Merrill
Lynch Series Fund, Inc., Merrill Lynch Short-Term Global Income Fund, Inc.,
Merrill Lynch Strategic Dividend Fund, Merrill Lynch Technology Fund, Inc.,
Merrill Lynch U.S. Treasury Money Fund, Merrill Lynch U.S.A. Government
Reserves, Merrill Lynch Utility Income Fund, Inc., Merrill Lynch Variable Series
Funds, Inc., and Hotchkis and Wiley funds (advised by Hotchkis and Wiley, a
division of MLAM); and for the following closed-end registered investment
companies: Merrill Lynch High Income Municipal Bond Fund, Inc., and Merrill
Lynch Senior Floating Rate Fund, Inc., MLAM also acts as sub-adviser to Merrill
Lynch World Strategy Portfolio and Merrill Lynch Basic Value Equity Portfolio,
two investment portfolios of EQ Advisors. 
    
 
   
     Fund Asset Management, L.P. ("FAM") acts as the investment adviser for the
following other open-end registered investment companies: CBA Money Fund, CMA
Government Securities Fund, CMA Money Fund, CMA Multi-State Municipal Series
Trust, CMA Tax-Exempt Fund, CMA Treasury Fund, The Corporate Fund Accumulation
Program, Inc., Financial Institutions Series Trust, Merrill Lynch Basic Value
Fund, Inc., Merrill Lynch California Municipal Series Trust, Merrill Lynch
Corporate Bond Fund, Inc., Merrill Lynch Corporate High Yield Fund, Inc.,
Merrill Lynch Emerging Tigers Fund, Inc., Merrill Lynch Federal Securities
Trust, Merrill Lynch Funds for Institutions Series, Merrill Lynch Multi-State
Limited Maturity Municipal Series Trust, Merrill Lynch Multi-State Municipal
Series Trust, Merrill Lynch Municipal Bond Fund, Inc., Merrill Lynch Phoenix
Fund, Inc., Merrill Lynch Special Value Fund, Inc., Merrill Lynch World Income
Fund, Inc. and The Municipal Fund Accumulation Program, Inc.; and the following
closed-end registered investment companieds: Apex Municipal Fund, Inc.,
Corporate High Yield Fund, Inc., Corporate High Yield Fund II, Inc., Corporate
High Yield III, Inc., Debt Strategies Fund, Inc., Debt Strategies Fund II, Inc.,
Debt Strategies Fund III, Inc., Income Opportunities Fund 1999. Inc., Income
Opportunities Fund 2000, Inc., Merrill Lynch Municipal Strategy Fund, Inc.,
MuniAssets Fund, Inc., MuniEnhanced Fund, Inc., MuniHoldings California Insured
Fund Inc., MuniHoldings Florida Insured Fund, MuniHoldings California Insured
Fund II, Inc., MuniHoldings California Insured Fund III, Inc., MuniHoldings
Florida Insured Fund II, MuniHoldings Florida Insured Fund III,
    
 
                                      C-3
<PAGE>

   
MuniHoldings Fund, Inc., MuniHoldings Fund II, Inc., MuniHoldings Insured Fund,
Inc., MuniHoldings New Jersey Insured Fund, Inc., MuniHoldings New Jersey
Insured Fund II, Inc., MuniHoldings New York Fund, Inc., MuniHoldings New York
Insured Fund II, 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, Inc., 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 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 and Merrill Lynch Intermediate Government Bond Fund is
One Financial Center, 23rd Floor, Boston, Massachusetts 02111-2646. The address
of the Investment Adviser and of Merrill Lynch Funds Distributor, Inc. ("MLFD"),
and MLAM is also P.O. Box 9011, Princeton, New Jersey 08543-9011. The address of
Merrill Lynch, Pierce, Fenner & Smith Incorporated ("Merrill Lynch") and Merrill
Lynch & Co., Inc. ("ML & Co.") is World Financial Center, North Tower, 250 Vesey
Street, New York, New York 10281-1213.
 
     Set forth below is a list of each officer and director of the Investment
Adviser indicating each business, profession, vocation or employment of a
substantial nature in which each such person has been engaged since October 31,
1995 for his or her or its own account or in the capacity of director, officer,
partner or trustee. In addition, Messrs. Zeikel, Glenn and Richard hold the same
positions with substantially all of the investment companies described in the
preceding paragraph and Messrs. Giordano, Harvey and Monagle are directors or
officers of one or more of such companies. Messrs. Zeikel and Richard also hold
the same positions with all or substantially all of the investment companies
advised by FAM as they do with the Investment Adviser. Messrs. Harvey and
Monagle are directors or officers of one or more of such companies.
 
   
<TABLE>
<CAPTION>
                                   POSITIONS WITH                      OTHER SUBSTANTIAL BUSINESS,
            NAME                 INVESTMENT ADVISER                 PROFESSION, VOCATION OR EMPLOYMENT
- -----------------------------   ---------------------   ----------------------------------------------------------
<S>                             <C>                     <C>
ML & Co.                        Limited Partner         Financial Services Holding Company; Limited Partner of
                                                        MLAM
Fund Asset Management, Inc.     Limited Partner         Investment Advisory Services
Princeton Services, Inc.        General Partner         General Partner of MLAM
  ("Princeton Services")
Arthur Zeikel                   President and           Chairman of MLAM; President of MLAM and FAM (from 1977 to
                                Director                1997); Chairman and Director of Princeton Services;
                                                        President of Princeton Services (from 1993 to 1997);
                                                        Executive Vice President of ML & Co.
Jeffrey M. Peek                 President               President of MLAM since 1997; President and Director of
                                                        Princeton Services since 1997; Executive Vice President of
                                                        ML & Co.
Terry K. Glenn                  Executive Vice          Executive Vice President of MLAM and FAM; Executive Vice
                                President               President and Director of Princeton Services; President of
                                                        MLFD and Director thereof; President of Princeton
                                                        Administrators, L.P.
Robert W. Crook                 Senior Vice President   Senior Vice President of MLFD; Vice President of MLFD and
                                                        Vice President of FAM
Linda L. Federici               Senior Vice President   Senior Vice President of MLAM
Vincent R. Giordano             Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
Elizabeth A. Griffin            Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
</TABLE>
    
 
                                      C-4
<PAGE>

   
<TABLE>
<CAPTION>
                                   POSITIONS WITH                      OTHER SUBSTANTIAL BUSINESS,
            NAME                 INVESTMENT ADVISER                 PROFESSION, VOCATION OR EMPLOYMENT
- -----------------------------   ---------------------   ----------------------------------------------------------
<S>                             <C>                     <C>
Norman R. Harvey                Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
Mark A. DeSario                 Senior Vice President   Senior Vice President of FAM and Princeton Services
Michael J. Hennewinkel          Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
Philip L. Kirstein              Senior Vice President   Senior Vice President, General Counsel and and Secretary
                                General Counsel, and    of MLAM; Senior Vice President, General Counsel, Director
                                Secretary               and Secretary of Princeton Services
Ronald M. Kloss                 Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
Debra Landsman-Yaros            Senior Vice President   Senior Vice President of MLAM; Vice President of MLFD
Stephen M. M. Miller            Senior Vice President   Executive Vice President of Princeton Administrator, L.P.;
                                                        Senior Vice President of Princeton Services
Joseph T. Monagle, Jr.          Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
Richard L. Reller               Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services and Director of MLFD
Gerald M. Richard               Senior Vice President   Senior Vice President and Treasurer of MLAM; Senior Vice
                                and Treasurer           President and Treasurer of Princeton Services; Vice
                                                        President and Treasurer of MLFD
Gregory D. Upah                 Senior Vice President   Senior Vice President of MLAM
Ronald L. Welburn               Senior Vice President   Senior Vice President of MLAM; Senior Vice President of
                                                        Princeton Services
</TABLE>
    
 
     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 July 1,
1995, for his or her 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:
 
<TABLE>
<CAPTION>
                                   POSITIONS WITH                      OTHER SUBSTANTIAL BUSINESS,
            NAME                      MLAM U.K.                     PROFESSION, VOCATION OR EMPLOYMENT
- -----------------------------   ---------------------   ----------------------------------------------------------
<S>                             <C>                     <C>
Arthur Zeikel                   Director and Chairman   Chairman of the Manager and FAM; President of the Manager
                                                        and FAM (from 1977 to 1997); Chairman and Director of
                                                        Princeton Services; President of Princeton Services (from
                                                        1993 to 1997); Executive Vice President of ML & Co.
Alan J. Albert                  Senior Managing         Vice President of the Manager
                                Director
Terry K. Glenn                  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 the Manager and
                                                        FAM; Senior Vice President and Treasurer of Princeton
                                                        Services; Vice President and Treasurer of the MLFD
Carol Ann Langham               Company Secretary       None
Debra Anne Searle               Assistant Company       None
                                Secretary
</TABLE>
 
   
ITEM 28. PRINCIPAL UNDERWRITERS.
    
 
     (a) Merrill Lynch Funds Distributor, Inc. ("MLFD") acts as the principal
underwriter for the Registrant. MLFD acts as the principal underwriter for each
of the investment companies referred to in Item 28 except Apex Municipal Fund,
Inc., CBA Money Fund, CMA Government Securities Fund, CMA Treasury Fund, CMA
 
                                      C-5
<PAGE>

Money Fund, CMA Multi-State Municipal Series Trust, CMA Tax-Exempt Fund, Merrill
Lynch Corporate High Yield Fund, Inc., Merrill Lynch Corporate High Yield Fund
II, Inc., MuniAssets Fund, Inc., MuniEnhanced Fund, Inc., MuniInsured Fund,
Inc., MuniVest Fund, Inc., MuniVest Florida Fund, MuniVest Fund II, Inc.,
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 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, Inc., MuniYield Fund, Inc.,
MuniYield Quality Fund, Inc., MuniYield Quality Fund II, Inc., Senior High
Income Portfolio, Inc., Taurus MuniCalifornia Holdings, Inc., Taurus MuniNew
York Holdings, The Corporate Fund Accumulation Program, Inc., The Municipal Fund
Accumulation Program, Inc., World Wide Dollar Vest, 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 9081,
Princeton, New Jersey 08543-9011, except that the address of Messrs. Crook,
Aldrich, Brady, Breen, Fatseas, Maguire and Wasel and Ms. Schena is One
Financial Center, 23rd Floor, Boston, Massachusetts 02111-2665.
    
<TABLE>
<CAPTION>
                                                          POSITIONS AND OFFICES          POSITIONS AND OFFICES
                        NAME                                 WITH UNDERWRITER               WITH REGISTRANT
- ----------------------------------------------------   ----------------------------    -------------------------
<S>                                                    <C>                             <C>
Terry K. Glenn......................................   President                                Trustee
Richard R. Reller...................................   Director                                  None
Thomas J. Verage....................................   Director                                  None
Robert W. Crook.....................................   Senior Vice President             President and Trustee
Gerald M. Richard...................................   Vice President and Treasurer    Vice President, Treasurer
Michael G. Clark....................................   Vice President                            None
Michelle T. Lau.....................................   Vice President                            None
Salvatore Venezia...................................   Vice President                            None
Michael J. Brady....................................   Vice President                    Senior Vice President
William M. Breen....................................   Vice President                  Senior Vice President and
                                                                                          Assistant Treasurer
James T. Fatseas....................................   Vice President                    Senior Vice President
William Wasel.......................................   Vice President                    Senior Vice President
Debra W. Landsman-Yaros.............................   Vice President                            None
Mark E. Maguire.....................................   Assistant Vice President          Senior Vice President
Patricia A. Schena..................................   Assistant Vice President           Vice President and
                                                                                          Assistant Secretary
Robert Harris.......................................   Secretary                                 None
</TABLE>
     
     (c) Not applicable.
 
   
ITEM 29. LOCATION OF ACCOUNTS AND RECORDS.
    
 
     All accounts, books and other documents required to be maintained by
Section 31 (a) of the Investment Company Act of 1940 and the Rules thereunder
will be maintained at the offices of the Registrant, Merrill Lynch Intermediate
Government Bond Fund, 800 Scudders Mill Road, Plainsboro, New Jersey 08536; its
Investment Adviser, Merrill Lynch Asset Management, 800 Scudders Mill Road,
Plainsboro, New Jersey 08536; its Transfer Agent, Merrill Lynch Financial Data
Services, Inc., P.O. Box 45289, Jacksonville, Florida 32232-5289; and its
Custodian, State Street Bank and Trust Company, 225 Franklin Street, Boston,
Massachusetts 02110.

   
ITEM 30. MANAGEMENT SERVICES.
    
   
    Other than as set forth under the caption "Management of the Fund--Merrill
Lynch Asset Management" in the Prospectus constituting Part A of the
Registration Statement and under "Management of the Fund--Management and
Advisory Investment 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. 
     
 
                                      C-6

<PAGE>
                                   SIGNATURES
 
   
     PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933 AND THE
INVESTMENT COMPANY ACT OF 1940, THE REGISTRANT 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 COUNTY OF SUFFOLK,
AND COMMONWEALTH OF MASSACHUSETTS, ON THE 31ST DAY OF DECEMBER, 1998.
    
 
                                          MERRILL LYNCH INTERMEDIATE
                                          GOVERNMENT BOND FUND
 
   
                                          By: /s/ GERALD M. RICHARD
                                              ---------------------
                                                  Gerald M. Richard
    
 
     PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS AMENDMENT
TO THE REGISTRANT'S REGISTRATION STATEMENT HAS BEEN SIGNED BELOW BY THE
FOLLOWING PERSONS IN THE CAPACITIES AND ON THE DATES INDICATED.
 
   
<TABLE>
<CAPTION>
                SIGNATURE                                      TITLE                             DATE
- ------------------------------------------  -------------------------------------------   ------------------
<S>                                         <C>                                           <C>

                    *                       President and Trustee (Principal Executive     December 31, 1998
- ------------------------------------------  Officer)
             Robert W. Crook
 
                    *                       Treasurer (Principal Financial and
- ------------------------------------------  Accounting Officer)
            Gerald M. Richard
 
                    *                       Trustee
- ------------------------------------------
          A. Bruce Brackenridge
 
                    *                       Trustee
- ------------------------------------------
          Charles C. Cabot, Jr.
 
                    *                       Trustee
- ------------------------------------------
              James T. Flynn
 
                    *                       Trustee
- ------------------------------------------
              Terry K. Glenn
 
                    *                       Trustee
- ------------------------------------------
               Todd Goodwin
 
                    *                       Trustee
- ------------------------------------------
         George W. Holbrook, Jr.
 
                    *                       Trustee
- ------------------------------------------
              W. Carl Kester
 
     *By:       /s/ GERALD M. RICHARD                                                      December 31, 1998
- ------------------------------------------
             (Gerald M. Richard,
              Attorney-in-Fact)
</TABLE>
    
 
                                      C-7
<PAGE>
                               INDEX TO EXHIBITS
 
<TABLE>
<CAPTION>

EXHIBIT                                                                                                       PAGE
NUMBER   DESCRIPTION                                                                                         NUMBER
- ------   -----------                                                                                         -------
<S>      <C>   <C>                                                                                           <C>
  11      --   Consent of Deloitte & Touche LLP, independent auditors of the Registrant*..................

  27(a)   --   Financial Data Schedule--Class A shares*...................................................

    (b)   --   Financial Data Schedule--Class B shares*...................................................

    (c)   --   Financial Data Schedule--Class C shares*...................................................

    (d)   --   Financial Data Schedule--Class D shares*...................................................
</TABLE>
 
- ------------------
  * Filed herewith.


<PAGE>
INDEPENDENT AUDITORS' CONSENT
 
Merrill Lynch Intermediate Government Bond Fund:
 
   
We consent to the incorporation by reference in this Post-Effective Amendment
No. 15 to Registration Statement No. 33-8708 of our report dated December 7,
1998 appearing in the annual report to shareholders of Merrill Lynch
Intermediate Government Bond Fund for the year ended October 31, 1998,  and to
the reference to us under the caption "Financial Highlights" in the
Prospectus, which is a part of such Registration Statement.  
    
 
   
Deloitte & Touche LLP
Princeton, New Jersey
December 29, 1998
    

<TABLE> <S> <C>


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<CIK>         0000801421
<NAME>        MERRILL LYNCH INTERMEDIATE GOVERNMENT BOND FUND
       
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<FISCAL-YEAR-END>                          OCT-31-1998                     
<PERIOD-START>                             NOV-01-1997                     
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</TABLE>

<TABLE> <S> <C>



<ARTICLE>     6
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<NAME>        CLASS B
       
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<TABLE> <S> <C>



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<CIK>         0000801421
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<NAME>        CLASS C
       
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<FISCAL-YEAR-END>                          OCT-31-1998
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<PERIOD-END>                               OCT-31-1998
<INVESTMENTS-AT-COST>                         78025891
<INVESTMENTS-AT-VALUE>                        79557060
<RECEIVABLES>                                  1990896
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<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       629813
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<TABLE> <S> <C>



<ARTICLE>     6
<CIK>         0000801421
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<NAME>        CLASS D
       
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<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          OCT-31-1998
<PERIOD-START>                             NOV-01-1997
<PERIOD-END>                               OCT-31-1998
<INVESTMENTS-AT-COST>                         78025891
<INVESTMENTS-AT-VALUE>                        79557060
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<SHARES-COMMON-PRIOR>                          2958556
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<ACCUMULATED-NET-GAINS>                      (7124663)
<OVERDISTRIBUTION-GAINS>                             0
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