MORGAN STANLEY DEAN WITTER NY MUNI MONEY MARKET TRUST
485APOS, 1999-02-26
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<PAGE>
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON FEBRUARY 26, 1999
 
                                                    REGISTRATION NOS.:  33-32763
                                                                        811-5987
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       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. 10                       /X/
                                     AND/OR
              REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY
                                  ACT OF 1940                                /X/
                               AMENDMENT NO. 11                              /X/
 
                              -------------------
 
                           MORGAN STANLEY DEAN WITTER
                     NEW YORK MUNICIPAL MONEY MARKET TRUST
 
       (FORMERLY NAMED DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST)
 
                        (A MASSACHUSETTS BUSINESS TRUST)
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
                             TWO WORLD TRADE CENTER
                            NEW YORK, NEW YORK 10048
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE)
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (212) 392-1600
 
                                BARRY FINK, ESQ.
                             TWO WORLD TRADE CENTER
                            NEW YORK, NEW YORK 10048
                    (NAME AND ADDRESS OF AGENT FOR SERVICE)
 
                            DAVID M. BUTOWSKY, ESQ.
                             GORDON ALTMAN BUTOWSKY
                             WEITZEN SHALOV & WEIN
                              114 WEST 47TH STREET
                            NEW YORK, NEW YORK 10036
 
                                ----------------
 
                 APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING:
 
 As soon as practicable after this Post-Effective Amendment becomes effective.
 
 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)
 
        ___ 60 days after filing pursuant to paragraph (a)
 
        _X_ on April 30, 1999 pursuant to paragraph (a) of rule 485.
 
           AMENDING THE PROSPECTUS AND UPDATING FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
        MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
 
                             CROSS-REFERENCE SHEET
 
                                   FORM N-1A
 
<TABLE>
<CAPTION>
                 ITEM                                    CAPTION
<S>                                      <C>
PART A                                                 PROSPECTUS
 1.  ..................................  Cover Page; Back Cover
 2.  ..................................  Investment Objective; Principal
                                         Investment Strategies, Principal Risks,
                                          Past Performance
 3.  ..................................  Fees and Expenses
 4.  ..................................  Investment Objective; Additional
                                         Investment Strategy Information;
                                          Additional Risk Information
 5.  ..................................  Not Applicable
 6.  ..................................  Fund Management
 7.  ..................................  Pricing Fund Shares; How to Buy Shares;
                                         How to Exchange Shares; How to Sell
                                          Shares; Distributions; Tax
                                          Consequences
 8.  ..................................  Share Class Arrangements
 9.  ..................................  Financial Highlights
 
PART B                                     STATEMENT OF ADDITIONAL INFORMATION
</TABLE>
 
    Information required to be included in Part B is set forth under the
appropriate caption in Part B of the Registration Statement.
 
PART C
 
    Information required to be included in Part C is set forth under the
appropriate item, so numbered, in Part C of this Registration Statement.
<PAGE>
                                                        PROSPECTUS - MAY 1, 1999
 
Morgan Stanley Dean Witter
                                           NEW YORK MUNICIPAL MONEY MARKET TRUST
 
                                 [COVER PHOTO]
 
                                       A MONEY MARKET FUND THAT SEEKS TO PROVIDE
                                     AS HIGH A LEVEL OF DAILY INCOME EXEMPT FROM
                                           FEDERAL AND NEW YORK INCOME TAX AS IS
                            CONSISTENT WITH STABILITY OF PRINCIPAL AND LIQUIDITY
 
     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>
CONTENTS
 
<TABLE>
<S>                       <C>                                                     <C>
The Fund                  Investment Objective..................................                   1
                          Principal Investment Strategies.......................                   1
                          Principal Risks.......................................                   2
                          Past Performance......................................                   3
                          Fees and Expenses.....................................                   4
                          Fund Management.......................................                   5
 
Shareholder Information   Pricing Fund Shares...................................                   6
                          How to Buy Shares.....................................                   6
                          How to Exchange Shares................................                   8
                          How to Sell Shares....................................                  10
                          Distributions.........................................                  12
                          Tax Consequences......................................                  13
 
Financial Highlights      ......................................................                  14
 
Our Family of Funds       ......................................................   Inside Back Cover
 
                          THIS PROSPECTUS CONTAINS IMPORTANT INFORMATION ABOUT THE FUND.
                          PLEASE READ IT CAREFULLY AND KEEP IT FOR FUTURE REFERENCE.
</TABLE>
 
           FUND CATEGORY
           ---------------------------
       / / Growth
 
       / / Growth and Income
 
       / / Income
 
       /X/ MONEY MARKET
<PAGE>
(SIDEBAR)
MONEY MARKET
A MUTUAL FUND HAVING THE GOAL TO SELECT SECURITIES TO PROVIDE CURRENT INCOME
WHILE SEEKING TO MAINTAIN A STABLE SHARE PRICE OF $1.00.
YIELD
THE FUND'S YIELD REFLECTS THE ACTUAL INCOME THE FUND PAYS TO YOU EXPRESSED AS A
PERCENTAGE OF THE FUND'S SHARE PRICE. BECAUSE THE FUND'S INCOME FROM ITS
PORTFOLIO SECURITIES WILL FLUCTUATE, THE INCOME IT IN TURN DISTRIBUTES TO YOU
AND THE FUND'S YIELD WILL VARY.
(END SIDEBAR)
 
THE FUND
 
ICON  INVESTMENT OBJECTIVE
- --------------------------------------------------------------------------------
           Morgan Stanley Dean Witter New York Municipal Money Market Trust (the
           "Fund") is a money market fund that seeks to provide as high a level
           of daily income exempt from federal and New York income tax as is
           consistent with stability of principal and liquidity. There is no
           guarantee that the Fund will achieve this objective.
 
ICON  PRINCIPAL INVESTMENT STRATEGIES
- --------------------------------------------------------------------------------
The Fund will invest in high quality, short-term securities that are normally
municipal obligations that pay interest exempt from federal and New York income
taxes. The Fund's "Investment Manager," Morgan Stanley Dean Witter Advisors
Inc., seeks to maintain the Fund's share price at $1.00. The share price
remaining stable at $1.00 means that the Fund would preserve the principal value
of your investment.
 
The Investment Manager generally invests substantially all of the Fund's assets
in New York municipal obligations. The interest on these investments is exempt
from New York state, city and federal income tax. The Investment Manager may at
times purchase securities that pay interest that is exempt from federal income
tax but not from New York state or city taxes. The Fund may invest any amount of
its assets in securities that pay interest income subject to the "alternative
minimum tax," and some taxpayers may have to pay tax on a Fund distribution of
this income; see the "Tax Consequences" section of this PROSPECTUS for more
details.
 
Municipal obligations are securities issued by state and local governments, and
their agencies. These securities typically are "general obligation" or "revenue"
bonds, notes or commercial paper. The general obligation securities are secured
by the issuer's faith and credit, as well as its taxing power, for payment of
principal and interest. Revenue bonds, however, are generally payable from a
specific revenue source. They are issued for a wide variety of projects such as
financing public utilities, housing units, airports and highways, and schools.
Included within the revenue bonds category are participations in lease
obligations and installment contracts of municipalities.
 
The Fund has fundamental policies of investing at least eighty percent of its
assets in tax-exempt municipal obligations and sixty-five percent in New York
tax-exempt municipal obligations; these securities nevertheless may be subject
to an "alternative
 
                                                                               1
<PAGE>
minimum tax." The fundamental policies may not be changed without shareholder
approval. While the Fund is classified as a "non-diversified" mutual fund, it
will comply with the federal diversification requirements that apply to money
market funds.
 
ICON  PRINCIPAL RISKS
- --------------------------------------------------------------------------------
 
CREDIT AND INTEREST RATE RISKS. A principal risk of investing in the Fund is
associated with its municipal investments, particularly its concentration in
municipal obligations of a single state. Municipal obligations, as with all debt
securities, are subject to two types of risks: credit risk and interest rate
risk.
 
Credit risk refers to the possibility that the issuer of a security will be
unable to make interest payments and repay the principal on its debt. However,
unlike most fixed-income mutual funds, the Fund is subject to the added credit
risk of concentrating its investments in a single state -- New York -- and its
municipalities. Because the Fund concentrates its investments in securities
issued by New York state and local governments and government authorities, the
Fund could be affected by political, economic and regulatory developments
concerning these issuers. Should any difficulties develop concerning New York
issuers ability to pay principal and/or interest on their debt obligations; the
Fund's value and yield could be adversely affected.
 
Interest rate risk, another risk of debt securities, refers to fluctuations in
the value of a fixed-income security resulting from changes in the general level
of interest rates.
 
The Investment Manager, however, actively manages the Fund's assets to reduce
the risk of losing any principal investment as a result of credit or interest
rate risks. The Fund's assets are reviewed to maintain or improve
creditworthiness. In addition, federal regulations require money market funds,
such as the Fund, to invest only in debt obligations of high quality and
short-term maturities.
 
An investment in the Fund is not a deposit of a bank and is not insured or
guaranteed by the FDIC or any other government agency. Although the Fund seeks
to preserve the value of your investment at $1.00 per share, if it is unable to
do so, it is possible to lose money by investing in the Fund.
 
YEAR 2000. The Fund could be adversely affected if the computer systems
necessary for the efficient operation of the Investment Manager, the Fund's
other service providers and the markets and individual and governmental issuers
in which the Fund invests do not properly process and calculate date-related
information from and after January 1, 2000. While year 2000-related computer
problems could have a negative effect on the Fund, the Investment Manager and
affiliates are working hard to avoid any problems and to obtain assurances from
their service providers that they are taking similar steps.
 
2
<PAGE>
(SIDEBAR)
ANNUAL TOTAL RETURNS
THIS CHART SHOWS HOW THE PERFORMANCE OF THE FUND'S SHARES HAS VARIED FROM YEAR
TO YEAR DURING THE LIFE OF THE FUND.
AVERAGE ANNUAL
TOTAL RETURNS
THIS TABLE COMPARES THE FUND'S AVERAGE ANNUAL RETURNS WITH THOSE OF A BROAD
MEASURE OF MARKET PERFORMANCE OVER TIME.
(END SIDEBAR)
 
ICON  PAST PERFORMANCE
- --------------------------------------------------------------------------------
           The bar chart and table below provide some indication of the risks of
           investing in the Fund. The Fund's past performance does not indicate
           how the Fund will perform in the future. For the Fund's most recent
           7-day annualized yield, you may call (800) 869-NEWS.
 
ANNUAL TOTAL RETURNS - CALENDAR YEARS
 
EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC
 
<TABLE>
<S>        <C>
1989
90*            4.69%
91             3.57%
92             1.86%
93             1.36%
94             1.78%
95             2.84%
96             2.53%
97             2.68%
98             2.53%
</TABLE>
 
During the periods shown in the bar chart, the highest return for a calendar
quarter was 1.45% (quarter ended 6/30/90) and the lowest return for a calendar
quarter was 0.32% (quarter ended 3/31/93). Year-to-date total return as of March
31, 1999 was     %.
 
* For the Period March 20, 1990 through December 31, 1990
 
<TABLE>
<CAPTION>
AVERAGE ANNUAL TOTAL RETURNS (FOR THE PERIODS ENDED THE 1998 CALENDAR YEAR)
- ------------------------------------------------------------------------------
                                     PAST 1 YEAR   PAST 5 YEARS   LIFE OF FUND
<S>                                  <C>           <C>            <C>
- ------------------------------------------------------------------------------
 NY Municipal Money Market              2.53%         2.47%          2.71%
- ------------------------------------------------------------------------------
 Lipper New York Tax-Exempt
 Money Market Index(1)                  2.84%         2.89%          3.05%
- ------------------------------------------------------------------------------
</TABLE>
 
1    The Lipper New York Tax-Exempt Money Market Index is an equally-weighted
     performance index of the largest qualifying funds (based on net assets) in
     the Lipper New York Tax-Exempt Money Market Funds objective. The Index,
     which is adjusted for capital gain distributions and income dividends, is
     unmanaged and should not be considered an investment. There are currently
     30 funds represented in this Index.
 
                                                                               3
<PAGE>
(SIDEBAR)
ANNUAL FUND
OPERATING EXPENSES
THESE EXPENSES ARE DEDUCTED FROM THE FUND'S ASSETS AND ARE BASED ON EXPENSES
PAID FOR THE FISCAL YEAR ENDED DECEMBER 31, 1998.
(END SIDEBAR)
 
ICON  FEES AND EXPENSES
- --------------------------------------------------------------------------------
The Fund is a no-load fund. The Fund does not impose any sales charges and does
not charge account or exchange fees. The table below briefly describes the
Fund's fees and expenses.
 
<TABLE>
<S>                                                           <C>
 ANNUAL FUND OPERATING
 EXPENSES
- -----------------------------------------------------------------------
 Management Fee                                                 0.50%
- -----------------------------------------------------------------------
 Distribution and service (12b-1) fees                          0.10%
- -----------------------------------------------------------------------
 Other expenses                                                 0.27%
- -----------------------------------------------------------------------
 Total annual Fund operating expenses                           0.87%
- -----------------------------------------------------------------------
</TABLE>
 
           EXAMPLE
           This example is intended to help you compare the cost of investing in
           the Fund with the cost of investing in other mutual funds.
 
The example assumes that you invest $10,000 in the Fund, your investment has a
5% return each year, and the Fund's operating expenses remain the same. Although
your actual costs may be higher or lower, the table below shows your costs at
the end of each period based on these assumptions.
 
<TABLE>
<CAPTION>
- ----------------------------------------------------------
                 1 YEAR    3 YEARS    5 YEARS    10 YEARS
<S>              <C>       <C>        <C>        <C>
- ----------------------------------------------------------
                   $89       $278       $483       $1,074
- ----------------------------------------------------------
</TABLE>
 
4
<PAGE>
(SIDEBAR)
MORGAN STANLEY DEAN WITTER ADVISORS INC.
THE INVESTMENT MANAGER IS WIDELY RECOGNIZED AS A LEADER IN THE MUTUAL FUND
INDUSTRY AND TOGETHER WITH MORGAN STANLEY DEAN WITTER SERVICES COMPANY INC., ITS
WHOLLY-OWNED SUBSIDIARY, HAS MORE THAN $    BILLION IN ASSETS UNDER MANAGEMENT
OR ADMINISTRATION AS OF MARCH 31, 1999.
(END SIDEBAR)
 
ICON  FUND MANAGEMENT
- --------------------------------------------------------------------------------
The Fund has retained the Investment Manager - Morgan Stanley Dean Witter
Advisors Inc. - to provide administrative services, manage its business affairs
and invest its assets, including the placing of orders for the purchase and sale
of portfolio securities. The Investment Manager is a wholly-owned subsidiary of
Morgan Stanley Dean Witter & Co., a preeminent global financial services firm
that maintains leading market positions in each of its three primary businesses:
securities, asset management and credit services. Its main business office is
located at Two World Trade Center, New York, NY 10048.
 
The Fund pays the Investment Manager a monthly management fee as full
compensation for the services and facilities furnished to the Fund, and for Fund
expenses assumed by the Investment Manager. The fee is based on the Fund's
average daily net assets. For the fiscal year ended December 31, 1998 the Fund
accrued total compensation to the Investment Manager amounting to 0.50% of the
Fund's average daily net assets.
 
                                                                               5
<PAGE>
(SIDEBAR)
CONTACTING A FINANCIAL ADVISOR
IF YOU ARE NEW TO THE MORGAN STANLEY DEAN WITTER FAMILY OF FUNDS AND WOULD LIKE
TO CONTACT A FINANCIAL ADVISOR, CALL (800) THE-DEAN FOR THE TELEPHONE NUMBER OF
THE MORGAN STANLEY DEAN WITTER OFFICE NEAREST YOU.
YOU MAY ALSO ACCESS OUR OFFICE LOCATOR ON OUR INTERNET SITE AT:
www.deanwitter.com/funds
(END SIDEBAR)
 
SHAREHOLDER INFORMATION
 
ICON  PRICING FUND SHARES
- --------------------------------------------------------------------------------
           The price of Fund shares, called "net asset value," is based on the
           amortized cost of the Fund's portfolio securities. The amortized cost
           valuation method involves valuing a debt obligation in reference to
           its cost, rather than market forces.
 
The net asset value per share of the Fund is determined once daily at 4:00 p.m.
Eastern time on each day that the New York Stock Exchange is open (or, on days
when the New York Stock Exchange closes prior to 4:00 p.m., at such earlier
time). Shares will not be priced on days that the New York Stock Exchange is
closed.
 
ICON  HOW TO BUY SHARES
- --------------------------------------------------------------------------------
             You may open a new account to buy Fund shares or buy additional
             Fund shares for an existing account in several ways. When you buy
             Fund shares, the shares are purchased at the next share price
             calculated after we receive your investment in proper form and
             accompanied by federal or other immediately available funds. You
             begin earning dividends the business day after the shares are
             purchased. We reserve the right to reject any order for the
             purchase of Fund shares.
 
<TABLE>
<CAPTION>
MINIMUM INVESTMENT AMOUNTS
- --------------------------------------------------------------------
                                              MINIMUM INVESTMENT
                                          --------------------------
 INVESTMENT OPTIONS                          INITIAL     ADDITIONAL
<S>                                       <C>            <C>
- --------------------------------------------------------------------
 Regular Accounts
                                             $5,000         $ 100
- --------------------------------------------------------------------
 EASYINVEST-SM-
 (Automatically from your checking or
 savings account)
                                          not available     $ 100
- --------------------------------------------------------------------
</TABLE>
 
ADVISORY, ADMINISTRATIVE OR BROKERAGE PROGRAMS. There is no minimum investment
amount if you purchase Fund shares through: (1) the Investment Manager's mutual
fund asset allocation plan, or (2) a program, approved by the Fund's
distributor, in which you pay an asset-based fee for advisory, administrative
and/or brokerage services.
 
<TABLE>
<CAPTION>
 OPTIONS            PROCEDURES
<S>                 <C>
- --------------------------------------------------------------------------------
 Contact Your       NEW ACCOUNTS AND SUBSEQUENT INVESTMENTS
 Financial Advisor  You may buy Fund shares by contacting your Morgan Stanley
                    Dean Witter Financial Advisor or other authorized financial
 ICON               representative. Your Financial Advisor will assist you,
                    step-by-step, with the procedures to invest in the Fund.
- --------------------------------------------------------------------------------
</TABLE>
 
6
<PAGE>
 
<TABLE>
<CAPTION>
 OPTIONS            PROCEDURES
<S>                 <C>
- --------------------------------------------------------------------------------
 By Mail            NEW ACCOUNTS
                    To open a new account to buy Fund shares:
ICON
                    - Complete and sign the attached Application.
                    - Make out a check for the investment amount to: Morgan
                    Stanley Dean Witter New York Municipal Money Market Trust.
                    - Mail the Application and check to Morgan Stanley Dean
                    Witter Trust FSB at P.O. Box 1040, Jersey City, New Jersey
                      07303.
                    ------------------------------------------------------------
                    SUBSEQUENT INVESTMENTS
                    To buy additional shares for an existing Fund account:
                    - Write a "letter of instruction" to the Fund specifying the
                    name(s) on the account, the account number and the social
                      security or tax identification number, and the additional
                      investment amount. The letter must be signed by the
                      account owner(s).
                    - Make out a check for the investment amount to: Morgan
                    Stanley Dean Witter New York Municipal Money Market Trust.
                    - Mail the letter and check to Morgan Stanley Dean Witter
                    Trust FSB at the same address as for new accounts.
- --------------------------------------------------------------------------------
 By wire            NEW ACCOUNTS
                    To open a new account to buy Fund shares:
ICON
                    - Mail the attached Application, completed and signed, to
                    Morgan Stanley Dean Witter Trust FSB at P.O. Box 1040,
                      Jersey City, New Jersey 07303.
                    - Before sending instructions by wire, call us at (800)
                    869-NEWS advising us of your purchase and to confirm we have
                      received your Application.
                    - Wire the instructions specifying the name of the Fund and
                    your account number, along with the additional investment
                      amount, to The Bank of New York, for credit to the account
                      of "Morgan Stanley Dean Witter Trust FSB, Harborside
                      Financial Center, Plaza Two, Jersey City, New Jersey
                      07303, Account No. 8900188413."
                    (When you buy Fund shares, wire purchases received prior to
                    12:00 noon Eastern time are normally effective that day and
                    purchases received after 12:00 noon are normally effective
                    the next business day.)
                    ------------------------------------------------------------
                    SUBSEQUENT INVESTMENTS
                    To buy additional shares for an existing Fund account:
                    - Before sending instructions by wire, call us at (800)
                    869-NEWS advising us of your purchase.
                    - Wire the instructions specifying the name of the Fund and
                    your account number, along with the investment amount, to
                      The Bank of New York, for credit to the account of Morgan
                      Stanley Dean Witter Trust FSB in the same manner as
                      opening an account.
                    (Also, when you buy additional Fund shares, wire purchases
                    received prior to 12:00 noon Eastern time are normally
                    effective that day and purchases received after 12:00 noon
                    are normally effective the next business day.)
- --------------------------------------------------------------------------------
 EASYINVEST-SM-     NEW ACCOUNTS
 (Automatically     This program is not available to open a new Fund account or
 from your          a new account of another Money Market Fund.
 checking or        ------------------------------------------------------------
 savings            SUBSEQUENT INVESTMENTS
 account)           EASYINVEST-SM- is a purchase plan that allows you to
                    transfer money automatically from your checking or savings
                    account to an existing Fund account on a semi-monthly,
                    monthly or quarterly basis. Contact your Morgan Stanley Dean
                    Witter Financial Advisor or other authorized financial
                    representative for further information about this
ICON
                    service.
- --------------------------------------------------------------------------------
</TABLE>
 
                                                                               7
<PAGE>
ADDITIONAL PURCHASE INFORMATION. If you are a customer of Dean Witter Reynolds
or another authorized dealer of Fund shares, you may upon request: (a) have the
proceeds from the sale of listed securities invested in Fund shares the day
after you receive the proceeds; and (b) pay for the purchase of certain listed
securities by automatic sale of Fund shares that you own. In addition, if you
are a customer of Dean Witter Reynolds or another authorized dealer of Fund
shares, you may have cash balances in your securities account (which do not
exceed $5,000) automatically invested in shares of the Fund on a weekly basis.
 
PLAN OF DISTRIBUTION. The Fund has adopted a Plan of Distribution in accordance
with Rule 12b-1 under the Investment Company Act of 1940. The Plan allows the
Fund to pay distribution fees for the sale and distribution of these shares. It
also allows the Fund to pay for services to shareholders. Because these fees are
paid out of the Fund's assets on an ongoing basis, over time these fees will
increase the cost of your investment and may cost you more than paying other
types of sales charges.
 
ICON  HOW TO EXCHANGE SHARES
- --------------------------------------------------------------------------------
PERMISSIBLE FUND EXCHANGES. You may only exchange shares of the Fund for shares
of other Morgan Stanley Dean Witter Funds if the Fund shares were acquired in an
exchange of shares initially purchased in a Multi-Class Fund or an FSC Fund
(subject to a front-end sales charge). In that case, the shares may be
subsequently re-exchanged for shares of the same Class of any Multi-Class Fund
or FSC Fund or for shares of another Money Market Fund, No-Load Fund or
Short-Term U.S. Treasury Trust. Of course, if an exchange is not permitted, you
may sell shares of the Fund and buy another Fund's shares with the proceeds.
 
See the inside back cover of this PROSPECTUS for each Morgan Stanley Dean Witter
Fund's designation as a Multi-Class Fund, FSC Fund, No-Load Fund or Money Market
Fund. If a Morgan Stanley Dean Witter Fund is not listed, consult the inside
back cover of that Fund's PROSPECTUS for its designation. For purposes of
exchanges, shares of FSC Funds are treated as Class A shares of a Multi-Class
Fund.
 
An exchange privilege account also may be maintained for you if you acquired
Fund shares in exchange for shares of various TCW/DW Funds.
 
The current PROSPECTUS for each Fund describes its investment objective(s),
policies and investment minimums, and should be read before investing.
 
EXCHANGE PROCEDURES. You can process an exchange by contacting your Morgan
Stanley Dean Witter Financial Advisor or other authorized financial
representative. Otherwise, you must forward an exchange privilege authorization
form to the Fund's transfer agent - Morgan Stanley Dean Witter Trust FSB - and
then write the transfer agent or call (800) 869-NEWS to place an exchange order.
You can obtain an exchange privilege authorization form by contacting your
Financial Advisor or other authorized financial representative or by calling
(800) 869-NEWS. If you hold share certificates, no exchanges may be processed
until we have received all applicable share certificates.
 
8
<PAGE>
An exchange to any Morgan Stanley Dean Witter Fund (except a Money Market Fund)
is made on the basis of the next calculated net asset values of the Funds
involved after the exchange instructions are accepted. When exchanging into a
Money Market Fund, the Fund's shares are sold at their next calculated net asset
value and the Money Market Fund's shares are purchased at their net asset value
on the following business day.
 
The Fund may terminate or revise the exchange privilege upon required notice.
Certain services normally available to shareholders of Money Market Funds,
including the check writing privilege, are not available for Money Market Fund
shares you acquire in an exchange.
 
TELEPHONE EXCHANGES. For your protection when calling Morgan Stanley Dean Witter
Trust FSB, we will employ reasonable procedures to confirm that exchange
instructions communicated over the telephone are genuine. These procedures may
include requiring various forms of personal identification such as name, mailing
address, social security or other tax identification number. Telephone
instructions also may be recorded.
 
Telephone instructions will be accepted if received by the Fund's transfer agent
between 9:00 a.m. and 4:00 p.m. Eastern time, on any day the New York Stock
Exchange is open for business. During periods of drastic economic or market
changes, it is possible that the telephone exchange procedures may be difficult
to implement, although this has not been the case with the Fund in the past.
 
MARGIN ACCOUNTS. If you have pledged your Fund shares in a margin account,
contact your Morgan Stanley Dean Witter Financial Advisor or other authorized
financial representative regarding restrictions on the exchange of such shares.
 
EXCHANGING SHARES OF ANOTHER FUND SUBJECT TO A CONTINGENT DEFERRED SALES CHARGE
("CDSC"). There are special considerations when you exchange shares subject to a
CDSC of another Morgan Stanley Dean Witter Fund for shares of the Fund. When
determining the length of time you held the shares and the corresponding CDSC
rate, any period (starting at the end of the month) during which you held shares
of the Fund WILL NOT BE COUNTED. Thus, in effect the "holding period" for
purposes of calculating the CDSC is frozen upon exchanging into the Fund.
Nevertheless, if shares subject to a CDSC are exchanged for shares of the Fund,
you will receive a credit when you sell the shares equal to the distribution
(12b-1) fees, if any, you paid on those shares while in the Fund up to the
amount of any applicable CDSC. See the PROSPECTUS of the Fund that charges the
CDSC for more details.
 
FREQUENT EXCHANGES. A pattern of frequent exchanges may result in the Fund
limiting or prohibiting, at its discretion, additional purchases and/or
exchanges. The Fund will notify you in advance of limiting your exchange
privileges.
 
For further information regarding exchange privileges, you should contact your
Morgan Stanley Dean Witter Financial Advisor or call (800) 869-NEWS.
 
                                                                               9
<PAGE>
ICON  HOW TO SELL SHARES
- --------------------------------------------------------------------------------
           You can sell some or all of your Fund shares at any time. Your shares
           will be sold at the next share price calculated after we receive your
           order to sell as described below.
 
<TABLE>
<CAPTION>
 OPTIONS            PROCEDURES
<S>                 <C>
- --------------------------------------------------------------------------------------------------------------
 Contact your       To sell your shares, simply call your Morgan Stanley Dean Witter Financial Advisor or
 Financial Advisor  other authorized financial representative.
                    ------------------------------------------------------------------------------------------
ICON
                    Payment will be sent to the address to which the account is registered or deposited in
                    your brokerage account.
- --------------------------------------------------------------------------------------------------------------
 Check-writing      You may order a supply of blank checks by requesting them on the investment application or
 Option             by contacting your Morgan Stanley Dean Witter Financial Advisor.
                    ------------------------------------------------------------------------------------------
ICON
                    Checks may be written in any amount not less than $500. You must sign checks exactly as
                    their shares are registered. If the account is a joint account, the check may contain one
                    signature unless the joint owners have specified on an investment application that all
                    owners are required to sign checks. Only accounts in which no share certificates have been
                    issued are eligible for the checkwriting privilege.
                    ------------------------------------------------------------------------------------------
                    Payment of check proceeds normally will be made on the next business day after we receive
                    your check in proper form. Shares purchased by check (including a certified or bank
                    cashier's check) are not normally available to cover redemption checks until fifteen days
                    after Morgan Stanley Dean Witter Trust FSB receives the check used for investment. A check
                    will not be honored in an amount exceeding the value of the account at the time the check
                    is presented for payment.
- --------------------------------------------------------------------------------------------------------------
 By Letter          You may also sell your shares by writing a "letter of instruction" that includes:
                    - your account number;
                    - the dollar amount or the number of shares you wish to sell; and
ICON
                    - the signature of each owner as it appears on the account.
                    ------------------------------------------------------------------------------------------
                    If you are requesting payment to anyone other than the registered owner(s) or that payment
                    be sent to any address other than the address of the registered owner(s) or pre-designated
                    bank account, you will need a signature guarantee. You can obtain a signature guarantee
                    from an eligible guarantor acceptable to Morgan Stanley Dean Witter Trust FSB. (You should
                    contact Morgan Stanley Dean Witter Trust FSB at (800) 869-NEWS for a determination as to
                    whether a particular institution is an eligible guarantor.) A notary public CANNOT provide
                    a signature guarantee. Additional documentation may be required for shares held by a
                    corporation, partnership, trustee or executor.
                    ------------------------------------------------------------------------------------------
                    Mail the letter to Morgan Stanley Dean Witter Trust FSB at P.O. Box 983, Jersey City, NJ
                    07303. If you hold share certificates, you must return the certificates, along with the
                    letter and any required additional documentation.
                    ------------------------------------------------------------------------------------------
                    A check will be mailed to the name(s) and address in which the account is registered, or
                    otherwise according to your instructions.
- --------------------------------------------------------------------------------------------------------------
</TABLE>
 
10
<PAGE>
(SIDEBAR)
SYSTEMATIC
WITHDRAWAL PLAN
THIS PLAN ALLOWS YOU TO WITHDRAW MONEY AUTOMATICALLY FROM YOUR FUND ACCOUNT AT
REGULAR INTERVALS. CONTACT YOUR MORGAN STANLEY DEAN WITTER FINANCIAL ADVISOR FOR
MORE DETAILS.
(END SIDEBAR)
 
<TABLE>
<CAPTION>
 OPTIONS            PROCEDURES
<S>                 <C>
- --------------------------------------------------------------------------------------------------------------
 Systematic         If your investment in all of the Morgan Stanley Dean Witter Family of Funds has a total
 Withdrawal         market value of at least $10,000, you may elect to withdraw amounts of $25 or more, or in
 Plan               any whole
ICON
                    percentage of a Fund's balance (provided the amount is at least $25), on a monthly,
                    quarterly, semi-annual or annual basis, from any Fund with a balance of at least $1,000.
                    Each time you add a Fund to the plan, you must meet the plan requirements.
                    ------------------------------------------------------------------------------------------
                    To sign up for the Systematic Withdrawal Plan, contact your Morgan Stanley Dean Witter
                    Financial Advisor or call (800) 869-NEWS. You may terminate or suspend your plan at any
                    time. Please remember that withdrawals from the plan are sales of shares, not Fund
                    "distributions," and ultimately may exhaust your account balance. The Fund may terminate
                    or revise the plan at any time.
                    ------------------------------------------------------------------------------------------
                    When you sell Fund shares through the Systematic Withdrawal Plan, the shares may be
                    subject to a contingent deferred sales charge ("CDSC") if they were obtained in exchange
                    for shares subject to a CDSC of another Morgan Stanley Dean Witter Fund. The CDSC,
                    however, will be waived in an amount up to 12% annually of the Fund's value, although Fund
                    shares with no CDSC will be sold first, followed by those with the lowest CDSC. As such,
                    the waiver benefit will be reduced by the amount of your shares that are not subject to a
                    CDSC. See the PROSPECTUS of the Fund that charges the CDSC for more details.
                    ------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------------------
 By Telephone       You may also sell your shares by calling Morgan Stanley Dean Witter Trust FSB at (800)
 or Wire            869-NEWS or by sending wire instructions to Morgan Stanley Dean Witter Trust FSB at Telex
                    No. 125076. A check will be mailed to the name(s) and address in which the account is
 ICON               registered or, for amounts of $1,000 or
ICON
                    more, you may request a wire transfer to the bank account designated in the application.
                    If you hold share certificates in your account, you are not eligible for wire redemptions.
- --------------------------------------------------------------------------------------------------------------
</TABLE>
 
PAYMENT FOR SOLD SHARES. After we receive your complete instructions to sell as
described above, a check will be mailed to you within seven days, although we
will attempt to make payment within one business day. Payment may also be sent
to your brokerage account.
 
Payment may be postponed or the right to sell your shares suspended under
unusual circumstances. If you request to sell shares that were recently
purchased by check, payment of the sale proceeds may be delayed for the minimum
time needed to verify that the check has been honored (not more than fifteen
days from the time we receive the check).
 
INVOLUNTARY SALES. The Fund reserves the right, on sixty days' notice, to sell
the shares of any shareholder whose shares, due to sales by the shareholder,
have a value below $1,000, or in the case of an account opened through
EASYINVEST -SM-, if after 12 months the shareholder has invested less than
$5,000 in the account.
 
However, before the Fund sells your shares in this manner, we will notify you
and allow you sixty days to make an additional investment in an amount that will
increase the value of your account to at least the required amount before the
sale is processed.
 
                                                                              11
<PAGE>
(SIDEBAR)
TARGETED DIVIDENDS-SM-
YOU MAY SELECT TO HAVE YOUR FUND DISTRIBUTIONS AUTOMATICALLY INVESTED IN ANOTHER
MORGAN STANLEY DEAN WITTER FUND THAT YOU OWN. CONTACT YOUR MORGAN STANLEY DEAN
WITTER FINANCIAL ADVISOR FOR FURTHER INFORMATION ABOUT THIS SERVICE.
(END SIDEBAR)
 
MONEY MARKET FUND AUTOMATIC SALE PROCEDURES. If you maintain a brokerage account
with Dean Witter Reynolds or another authorized dealer of Fund shares, you may
elect to have your Fund shares automatically sold from your account to satisfy
amounts you owe as a result of purchasing securities or other transactions in
your brokerage account.
 
If you elect to participate by notifying Dean Witter Reynolds or another
authorized dealer of Fund shares, your brokerage account will be scanned each
business day prior to the close of business (4:00 p.m. Eastern time). After any
cash balances in the account are applied, a sufficient number of Fund shares may
be sold to satisfy any amounts you are obligated to pay to Dean Witter Reynolds
or another authorized dealer of fund shares. Sales will be effected on the
business day before the date you are obligated to make payment, and Dean Witter
Reynolds or another authorized dealer of Fund shares will receive the sale
proceeds on the following day.
 
EASYINVEST-SM- - AUTOMATIC REDEMPTION. You may invest in shares of certain other
Morgan Stanley Dean Witter Funds by subscribing to EASYINVEST-SM-, an automatic
purchase plan that provides for the automatic investment of any amount from $100
to $5,000 in shares of the specified fund. Under EASYINVEST-SM-, you may direct
that a sufficient number of shares of the Fund be automatically sold and the
proceeds transferred to Morgan Stanley Dean Witter Trust FSB, on a semi-monthly,
monthly or quarterly basis, for investment in shares of the specified fund.
Sales of your Fund shares will be made on the business day preceding the
investment date and Morgan Stanley Dean Witter Trust FSB will receive the
proceeds for investment on the day following the sale date.
 
MARGIN ACCOUNTS. Certain restrictions may apply to Fund shares pledged in margin
accounts with Dean Witter Reynolds or another authorized broker-dealer of Fund
shares. If you hold Fund shares in this manner, please contact your Morgan
Stanley Dean Witter Financial Advisor or other authorized financial
representative for more details.
 
ICON  DISTRIBUTIONS
- --------------------------------------------------------------------------------
The Fund passes substantially all of its earnings along to its investors as
"distributions." The Fund earns interest from fixed-income investments. These
amounts are passed along to Fund shareholders as "income dividend
distributions." The Fund realizes capital gains whenever it sells securities for
a higher price than it paid for them. These amounts may be passed along as
"capital gain distributions;" the Investment Manager does not anticipate that
there will be significant capital gain distributions.
 
The Fund declares income dividends, payable on each day the New York Stock
Exchange is open for business, of all of its daily net income to shareholders of
record as of the close of business the preceding business day. Capital gains, if
any, are distributed periodically.
 
12
<PAGE>
Distributions are reinvested automatically in additional shares of the Fund
(rounded to the last 1/100 of a share) and automatically credited to your
account unless you request in writing that distributions be paid in cash. If you
elect the cash option, the Fund will reinvest the additional shares and credit
your account during the month, then redeem the credited amount no later than the
last business day of the month, and mail a check to you no later than seven
business days after the end of the month. No interest will accrue on uncashed
checks. If you wish to change how your distributions are paid, your request
should be received by the Fund's transfer agent, Morgan Stanley Dean Witter
Trust FSB, at least five business days prior to the record date of the
distributions.
 
ICON  TAX CONSEQUENCES
- --------------------------------------------------------------------------------
           As with any investment, you should consider how your Fund investment
           will be taxed. The tax information in this PROSPECTUS is provided as
           general information. You should consult your own tax professional
           about the tax consequences of an investment in the Fund.
 
Your income dividend distributions are exempt from federal and New York state
and city income taxes -- to the extent they are derived from New York municipal
obligations. Income derived from other portfolio securities may be subject to
federal, state and/or local income taxes.
 
Income derived from some municipal securities is subject to the federal
"alternative minimum tax." Certain tax-exempt securities whose proceeds are used
to finance private, for-profit organizations are subject to this special tax
system that ensures that individuals pay at least some federal taxes. Although
interest on these securities is generally exempt from federal income tax, some
taxpayers who have many tax deductions or exemptions nevertheless may have to
pay tax on the income.
 
If the Fund makes any capital gain distributions, those distributions will
normally be subject to federal, New York state and New York City income tax when
they are paid, whether you take them in cash or reinvest them in Fund shares.
Any short-term capital gain distributions are taxable to you as ordinary income.
Any long-term capital gain distributions are taxable to you as long-term capital
gains, no matter how long you have owned shares in the Fund.
 
Every January, you will be sent a statement (IRS Form 1099-DIV) showing the
distributions paid to you in the previous year. The statement provides full
information on your dividends and capital gains for tax purposes.
 
When you open your Fund account, you should provide your social security or tax
identification number on your investment application. By providing this
information, you will avoid being subject to a federal backup withholding tax of
31% on taxable distributions and sale proceeds. Any withheld amount would be
sent to the IRS as an advance tax payment.
 
                                                                              13
<PAGE>
FINANCIAL HIGHLIGHTS
 
The financial highlights table is intended to help you understand the Fund's
financial performance for the past 5 fiscal years of the Fund. Certain
information reflects financial results for a single Fund share. The total
returns in the table represent the rate an investor would have earned or lost on
an investment in the Fund (assuming reinvestment of all dividends and
distributions).
 
This information has been audited by PricewaterhouseCoopers LLP, whose report,
along with the Fund's financial statements, is included in the annual report,
which is available upon request.
 
<TABLE>
<CAPTION>
 YEARS ENDED DECEMBER 31                                           1998         1997         1996         1995         1994
<S>                                                               <C>          <C>          <C>          <C>          <C>
- -----------------------------------------------------------------------------------------------------------------------------
 
 SELECTED PER SHARE DATA
- -----------------------------------------------------------------------------------------------------------------------------
 Net asset value, beginning of period                             $  1.00      $  1.00      $  1.00      $  1.00      $  1.00
- -----------------------------------------------------------------------------------------------------------------------------
    Net investment income                                           0.025        0.026        0.025        0.028        0.018
 Less dividends from net investment income                         (0.025)      (0.026)      (0.025)      (0.028)      (0.018)
- -----------------------------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------------
 Net asset value, end of period                                   $  1.00      $  1.00      $  1.00      $  1.00      $  1.00
- -----------------------------------------------------------------------------------------------------------------------------
 
 Total Return                                                        2.53%        2.68%        2.53%        2.84%        1.78%
- -----------------------------------------------------------------------------------------------------------------------------
 
 RATIOS TO AVERAGE NET ASSETS:
- -----------------------------------------------------------------------------------------------------------------------------
 Expenses                                                            0.87%(1)     0.96%(1)     0.95%(1)     1.01%(1)     1.03%
- -----------------------------------------------------------------------------------------------------------------------------
 Net investment income                                               2.48%        2.64%        2.48%        2.79%        1.75%
- -----------------------------------------------------------------------------------------------------------------------------
 
 SUPPLEMENTAL DATA:
- -----------------------------------------------------------------------------------------------------------------------------
 Net assets, end of period, in thousands                          $77,080      $49,336      $40,758      $39,108      $39,629
- -----------------------------------------------------------------------------------------------------------------------------
</TABLE>
 
- ---------------------
(1)  Does not reflect the effect of the expense offset of 0.01%.
 
14
<PAGE>
<TABLE>
<S>                                                                                                           <C>  <C>  <C>  <C>
                                                                                                                5   5   0    --
                                                                                                                for office use only

                                                                                                                     [logo]

 
</TABLE>
 
                                                  [REMOVE APPLICATION CAREFULLY]
APPLICATION
 
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
Send to: Morgan Stanley Dean Witter Trust FSB (the "Transfer Agent"), 
P.O. Box 1040, Jersey City, NJ 07303

INSTRUCTIONS     For assistance in completing this application, telephone 
                 Morgan Stanley Dean Witter Trust FSB at (800) 869-NEWS 
                 (Toll-Free).

<TABLE>
<S>             <C>                                                          <C>
TO REGISTER
SHARES
(please print)  1.
                  ---------------------------------------------------------------------------------------------------
                   First Name                                                 Last Name


- -As joint
 tenants,
 use line 1 & 2   2.
                    ---------------------------------------------------------------------------------------------------
                    First Name                                                  Last Name
                    (Joint tenants with rights of survivorship unless otherwise specified)
 
                                                                     ---------------------------------------
                                                                           Social Security Number

- -As custodian
 for a minor,       
 use lines 1 & 3  3.
                    -------------------------------------------------------------------------------------------------
                                                               Minor's Name
 
                                                                     ---------------------------------------
                                                                           Minor's Social Security Number

                      Under the ___________________________ Uniform Gifts to Minors Act
                                State of Residence of Minor
- -In the name of a
 corporation,       4.
 trust,               ---------------------------------------------------------------------------------------------------
 partnership
 or other                                    Name of Corporation, Trust (including trustee name(s)) or Other Organization
 institutional
 investors,
 use
 line 4              ---------------------------------------------------------------------------------------------------


                                                                     ---------------------------------------
                                                                           Tax Identification Number


                            If Trust, Date of Trust Instrument: _____________________________

ADDRESS              ---------------------------------------------------------------------------------------------------

                     ---------------------------------------------------------------------------------------------------
                                  City                        State                           Zip Code
TO PURCHASE
SHARES:
Minimum Initial      / / CHECK (enclosed) $________________ (Make Payable to Morgan Stanley Dean Witter New York 
                                                             Municipal Money Market Trust)
Investment:
$5,000               / / WIRE*  On_______________           MF* _________________________________
                                       (Date)                  (Control number, this transaction)
 

                        --------------------------------------------------------------------------------------------------
                        Name of Bank                                                                        Branch

                        --------------------------------------------------------------------------------------------------
                        Address

                        --------------------------------------------------------------------------------------------------
                        Telephone Number

                        * For an initial investment made by wiring funds, obtain a control number by calling: (800) 869-NEWS (Toll
                          Free) or (201) 413-7067.
                          Your bank should wire to:

                        Bank of New York for credit to account of Morgan Stanley Dean Witter Trust FSB

                        Account Number: 8900188413

                        Re: Morgan Stanley Dean Witter New York Municipal Money Market Trust

                        Account Of: _____________________________________________

                                    (Investor's Account as Registered at the Transfer Agent)

                        Control or Account Number:______________________________________
                                                   (Assigned by Telephone)


                                                         OPTIONAL SERVICES

 
                     NOTE: If you are a current shareholder of Morgan Stanley Dean Witter New York Municipal Market 
                     Trust, please indicate your fund account number here.
                        [5]   [5]   [0]  -  
                                            ------------------------------
DIVIDENDS            All dividends will be reinvested daily in additional shares, unless the following option is selected:

                     / / Pay income dividends by check at the end of each month.

WRITE YOUR OWN       / / Send an initial supply of checks.
CHECK                FOR JOINT ACCOUNTS:
                     / / Check this box if all owners are required to sign checks.

</TABLE>

<PAGE>

<TABLE>
<S>                         <C>                                                <C>
PAYMENT TO                  /  /    Morgan Stanley Dean Witter Trust FSB is hereby authorized to honor telephonic or other
PREDESIGNATED                       instructions, without signature guarantee, from any person for the redemption of any
BANK ACCOUNT                        or all shares of Morgan Stanley Dean  Witter New York Municipal Money Market Trust 
                                    held in my (our) account provided that proceeds  are transmitted only to  the
                                    following bank  account. (Absent its own negligence, neither Morgan Stanley Dean Witter
                                    New York Municipal Money Market Trust nor Morgan Stanley Dean Witter Trust  FSB (the 
                                    "Transfer Agent")  shall be liable for any redemption caused by unauthorized 
                                    instruction(s)):
Bank Account must be in
same name as shares are
registered                  --------------------------------------------------------------   ----------------------------
                            NAME & BANK ACCOUNT NUMBER                                        BANK'S ROUTING TRASMIT CODE
                                                                                                     (ASK YOUR BANK)
Minimum Amount:
$1,000                      ---------------------------------------------------------------
                            NAME OF BANK

                            ---------------------------------------------------------------
                            ADDRESS OF BANK

                            (       )
                            ---------------------------------------------------------------
                            TELEPHONE NUMBER OF BANK

                                                             SIGNATURE AUTHORIZATION

FOR ALL ACCOUNTS            NOTE: RETAIN A COPY OF THIS DOCUMENT FOR YOUR RECORDS. ANY MODIFICATION OF THE INFORMATION
                            BELOW  WILL REQUIRE AN AMENDMENT TO  THIS FORM. THIS DOCUMENT IS  IN FULL FORCE AND EFFECT
                            UNTIL ANOTHER DULY EXECUTED FORM IS RECEIVED BY THE TRANSFER AGENT.

                            The "Transfer Agent"  is hereby authorized  to act as  agent for the  registered owner  of
                            shares of Morgan Stanley Dean Witter  New  York  Municipal Money Market Trust (the "Fund")
                            in effecting redemptions of shares and is authorized to recognize the  signature(s)  below
                            in payment of funds resulting from such redemptions on behalf  of the registered owners of
                            such shares. The Transfer Agent shall be liable only for its own negligence  and  not  for
                            default or negligence of its correspondents, or for losses in transit. The  Fund shall not
                            be liable for any default or negligence of the Transfer Agent.

                            I (we) certify to my (our) legal capacity, or the capacity of the investor named above, to
                            invest in and redeem shares of, and I (we) acknowledge receipt of a current prospectus of,
                            Morgan  Stanley  Dean Witter  New York  Municipal  Money  Market  Trust  and  (we) further
                            certify my  (our) authority to sign and act for and on behalf of the investor.

                            Under penalties of perjury, I certify (1) that the number shown on this form is my correct
                            taxpayer  identification number and (2) that I am not subject to backup withholding either
                            because I have not been notified that I am subject to backup withholding as a result of  a
                            failure  to report all interest or dividends, or the Internal Revenue Service has notified
                            me that I am no longer subject to  backup withholding. (Note: You must cross out item  (2)
                            above  if  you  have  been notified  by  IRS  that  you are  currently  subject  to backup
                            withholding because of underreporting interest or dividends on your tax return.)

                            For Individual, Joint and Custodial Accounts for Minors, Check Applicable Box:
                            / / I am a United States Citizen.                     / / I am not a United States Citizen.

                                                  SIGNATURE(S) (IF JOINT TENANTS, ALL MUST SIGN)

Name(s) must be
signed exactly the
same as shown on
lines 1 to 4 on the
reverse side of this
application
                            ----------------------------------------           ---------------------------------------
                            SIGNATURE MUST BE KEPT WITHIN ABOVE AREA           SIGNATURE MUST BE KEPT WITHIN ABOVE AREA

                            ----------------------------------------           ----------------------------------------
                            SIGNATURE MUST BE KEPT WITHIN ABOVE AREA           SIGNATURE MUST BE KEPT WITHIN ABOVE AREA

                      SIGNED THIS ___________________  DAY OF ____________________, 19__.

                                         FOR CORPORATIONS, TRUSTS, PARTNERSHIPS AND OTHER ORGANIZATIONS

                      The following  named  persons  are  currently  officers/trustees/general  partners/other  authorized
                      signatories  of the Registered  Owner, and any __* of them ("Authorized Person(s)") is/are currently
                      authorized under  the applicable  governing document  to  act with  full power  to sell,  assign  or
                      transfer  securities  of the  the Fund  for  the Registered  Owner and  to  execute and  deliver any
                      instrument necessary to effectuate the authority hereby conferred:

                                         NAME/TITLE                                          SIGNATURE
In addition,
complete
Section A or B
below.
                            ----------------------------------------           ----------------------------------------
                            SIGNATURE MUST BE KEPT WITHIN ABOVE AREA           SIGNATURE MUST BE KEPT WITHIN ABOVE AREA

                            ----------------------------------------           ----------------------------------------
                            SIGNATURE MUST BE KEPT WITHIN ABOVE AREA           SIGNATURE MUST BE KEPT WITHIN ABOVE AREA

                            ----------------------------------------           ----------------------------------------
                            SIGNATURE MUST BE KEPT WITHIN ABOVE AREA           SIGNATURE MUST BE KEPT WITHIN ABOVE AREA

                      SIGNED THIS ___________________  DAY OF ____________________, 19__.

                      The Transfer Agent may, without inquiry, act  only upon the instruction of ANY PERSON(S)  purporting
                      to  be (an) Authorized  Person(s) as named in  the Certification Form last  received by the Transfer
                      Agent. The Transfer Agent and the Fund shall not be liable for any claims, expenses (including legal
                      fees) or losses  resulting from  the Transfer  Agent having  acted upon  any instruction  reasonably
                      believed genuine.

                      ----------------------------------------------------------------------------------------------------
                      *INSERT  A NUMBER. UNLESS OTHERWISE INDICATED, THE TRANSFER  AGENT MAY HONOR INSTRUCTIONS OF ANY ONE
                       OF THE PERSONS NAMED ABOVE.

SECTION (A)           NOTE: EITHER A SIGNATURE GUARANTEE OR CORPORATE SEAL IS REQUIRED.
CORPORATIONS AND
INCORPORATED
ASSOCIATIONS ONLY.    I, ______________________, Secretary of the Registered Owner, do hereby  certify that at a meeting
                      on _____________________ at which a  quorum was  present throughout, the Board of Directors of the
                      corporation/the officers of the association duly adopted a resolution, which is in full  force and
SIGN ABOVE AND COM-   effect and in accordance with the Registered Owner's charter and  by-laws,  which  resolution  did
PLETE THIS            the  following:  (1)  empowered   the  above-named   Authorized  Person(s)  to  effect  securities
SECTION               transactions for  the Registered Owner on  the terms described above; (2) authorized the Secretary
                      to certify, from time to time, the names and  titles of  the officers of the Registered  Owner and
                      to notify the  Transfer Agent when changes in office occur;  and  (3) authorized the  Secretary to
                      certify that such  a resolution has been duly  adopted and  will  remain in  full force and effect
                      until the  Transfer Agent  receives a  duly execute amendment to the Certification Form.
SIGNATURE
GUARANTEE**           Witness my hand on behalf of the corporation/association this__________ day of ___________ , 19__.
(or Corporate Seal)

                                                 ------------------------------------------------------------------------
                                                                                Secretary**

                      The undersigned officer (other than the Secretary) hereby certifies that the foregoing  instrument
                      has been signed by the Secretary of the corporation/association.

SIGNATURE
GUARANTEE**
(or Corporate Seal)
                                                 ------------------------------------------------------------------------
                                                    Certifying Officer of the Corporation or Incorporated Association**

SECTION (B) ALL       NOTE: A SIGNATURE GUARANTEE IS REQUIRED.
OTHER
INSTITUTIONAL
INVESTORS                          ---------------------------------------------------------------------------------------
                                                                            Certifying
SIGNATURE                                                    Trustee(s)/General Partner(s)/Other(s)**
GUARANTEE**

SIGN ABOVE AND COM-                ---------------------------------------------------------------------------------------
PLETE THIS SECTION                                                          Certifying
                                                             Trustee(s)/General Partner(s)/Other(s)**

                      ----------------------------------------------------------------------------------------------------
                      **SIGNATURE(S) MUST BE GUARANTEED BY AN ELIBIGLE GUARANTOR

DEALER                Above signature(s) guaranteed. Prospectus has been delivered by undersigned to above-named applicant(s).
(if any)
Completion by 
dealer only
                      ------------------------------------------   ------------------------------------------------------
                      Firm Name                                    Office Number-Account Number at Dealer-F/A Number

                      ------------------------------------------   ------------------------------------------------------
                      Address                                      Financial Advisor's Last Name

                      ------------------------------------------   ------------------------------------------------------
                      City, State, Zip Code                        Branch Office

- -Registered Trademark- 1998 Morgan Stanley Dean Witter Distributors Inc.
</TABLE>


<PAGE>
MORGAN STANLEY DEAN WITTER
FAMILY OF FUNDS
 
                           The Morgan Stanley Dean Witter Family of Funds offers
                           investors a wide range of investment choices. Come on
                           in and meet the family!
- --------------------------------------------------------------------------------
 GROWTH FUNDS
- ---------------------------------
 
GROWTH FUNDS
Aggressive Equity Fund
American Opportunities Fund
Capital Growth Securities
Developing Growth Securities
Equity Fund
Growth Fund
Market Leader Trust
Mid-Cap Growth Fund
Special Value Fund
Value Fund
 
THEME FUNDS
Financial Services Trust
Health Sciences Trust
Information Fund
Natural Resource Development Securities
Precious Metals and Minerals Trust
Utilities Fund
 
GLOBAL/INTERNATIONAL FUNDS
Competitive Edge Fund - "Best Ideas" Portfolio
European Growth Fund
Fund of Funds - International Portfolio
Global Dividend Growth Securities
Global Utilities Fund
International SmallCap Fund
Japan Fund
Pacific Growth Fund
- --------------------------------------------------------------------------------
 GROWTH AND INCOME FUNDS
- ---------------------------------
Balanced Growth Fund
Balanced Income Fund
Convertible Securities Trust
Dividend Growth Securities
Fund of Funds - Domestic Portfolio
Income Builder Fund
Mid-Cap Dividend Growth Securities
S&P 500 Index Fund
S&P 500 Select Fund
Strategist Fund
Value-Added Market Series/Equity Portfolio
- --------------------------------------------------------------------------------
 INCOME FUNDS
- ---------------------------------
 
GOVERNMENT INCOME FUNDS
Federal Securities Trust
Short-Term U.S. Treasury Trust
U.S. Government Securities Trust
 
DIVERSIFIED INCOME FUNDS
Diversified Income Trust
 
CORPORATE INCOME FUNDS
High Yield Securities
Intermediate Income Securities
Short-Term Bond Fund (NL)
 
GLOBAL INCOME FUNDS
World Wide Income Trust
 
TAX-FREE INCOME FUNDS
California Tax-Free Income Fund
Hawaii Municipal Trust (FSC)
Limited Term Municipal Trust (KL)
Multi-State Municipal Series Trust (FSC)
New York Tax-Free Income Fund
Tax-Exempt Securities Trust
- --------------------------------------------------------------------------------
 MONEY MARKET FUNDS
- ---------------------------------
 
TAXABLE MONEY MARKET FUNDS
Liquid Asset Fund (MM)
U.S. Government Money Market Trust (MM)
 
TAX-FREE MONEY MARKET FUNDS
California Tax-Free Daily Income Trust (MM)
New York Municipal Money Market Trust (MM)
Tax-Free Daily Income Trust (MM)
 
There may be Funds created after this PROSPECTUS was published. Please consult
the inside front cover of a new Fund's PROSPECTUS for its designation, e.g.,
Multi-Class Fund or Money Market Fund.
 
Unless otherwise noted, each listed Morgan Stanley Dean Witter Fund, except for
Short-Term U.S. Treasury Trust, is a Multi-Class Fund. A Multi-Class Fund is a
mutual fund offering multiple Classes of shares. The other types of funds are:
NL - No-Load (Mutual) Fund; MM - Money Market Fund; FSC - A mutual fund sold
with a front-end sales charge and a distribution (12b-1) fee.
<PAGE>
                                                        PROSPECTUS - MAY 1, 1999
 
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. The
Fund's STATEMENT OF ADDITIONAL INFORMATION also provides additional information
about the Fund. The STATEMENT OF ADDITIONAL INFORMATION is incorporated herein
by reference (legally is part of this PROSPECTUS). For a free copy of any of
these documents, to request other information about the Fund, or to make
shareholder inquiries, please call:
 
                                 (800) 869-NEWS
 
You also may obtain information about the Fund by calling your Morgan Stanley
Dean Witter Financial Advisor or by visiting our Internet site at:
 
                            www.deanwitter.com/funds
 
Information about the Fund (including the STATEMENT OF ADDITIONAL INFORMATION)
can be viewed and copied at the Securities and Exchange Commission's Public
Reference Room in Washington, DC. Information about the Reference Room's
operations may be obtained by calling the SEC at (800) SEC-0330. Reports and
other information about the Fund are available on the SEC's Internet site at
www.sec.gov, and copies of this information may be obtained, upon payment of a
duplicating fee, by writing the Public Reference Section of the SEC, Washington,
DC 20549-6009.
 
Morgan Stanley Dean Witter
                                                              NEW YORK MUNICIPAL
                                                              MONEY MARKET TRUST
 
                               [BACK COVER PHOTO]
 
                                                  A MONEY MARKET FUND THAT SEEKS
                                                   TO PROVIDE AS HIGH A LEVEL OF
                                                DAILY INCOME EXEMPT FROM FEDERAL
                                                   AND NEW YORK INCOME TAX AS IS
                                                    CONSISTENT WITH STABILITY OF
                                                         PRINCIPAL AND LIQUIDITY
 
 TICKER SYMBOL: DWNXX
 
              (MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY
            MARKET TRUST; INVESTMENT COMPANY ACT FILE NO. 811-5987)
<PAGE>
 
STATEMENT OF ADDITIONAL INFORMATION                                 MORGAN
MAY 1, 1999                                                         STANLEY
                                                                    DEAN WITTER
                                                                    NEW YORK
                                                                    MUNICIPAL
                                                                    MONEY
                                                                    MARKET TRUST
 
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    This STATEMENT OF ADDITIONAL INFORMATION is not a PROSPECTUS. The PROSPECTUS
(dated May 1, 1999) for the Morgan Stanley Dean Witter New York Municipal Money
Market Trust may be obtained without charge from the Fund at its address or
telephone number listed below or from Dean Witter Reynolds at any of its branch
offices.
 
Morgan Stanley Dean Witter
New York Municipal Money Market Trust
Two World Trade Center
New York, New York 10048
(800) 869-NEWS
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TABLE OF CONTENTS
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<TABLE>
<S>                                                                                      <C>
I. Fund History........................................................................          4
 
II. Description of the Fund and Its Investments and Risks..............................          4
 
  A. Classification....................................................................          4
 
  B. Investment Strategies and Risks...................................................          4
 
  C. Fund Policies/Investment Restrictions.............................................         12
 
III. Management of the Fund............................................................         14
 
  A. Board of Trustees.................................................................         14
 
  B. Management Information............................................................         14
 
  C. Compensation......................................................................         19
 
IV. Control Persons and Principal Holders of Securities................................         21
 
V. Investment Management and Other Services............................................         21
 
  A. Investment Manager................................................................         21
 
  B. Principal Underwriter.............................................................         22
 
  C. Services Provided by the Investment Manager and Fund Expenses Paid by Third
   Parties.............................................................................         22
 
  D. Rule 12b-1 Plan...................................................................         23
 
  E. Other Service Providers...........................................................         25
 
VI. Brokerage Allocation and Other Practices...........................................         25
 
  A. Brokerage Transactions............................................................         25
 
  B. Commissions.......................................................................         25
 
  C. Brokerage Selection...............................................................         26
 
  D. Directed Brokerage................................................................         27
 
  E. Regular Broker-Dealers............................................................         27
 
VII. Capital Stock and Other Securities................................................         27
 
VIII. Purchase, Redemption and Pricing of Shares.......................................         28
 
  A. Purchase/Redemption of Shares.....................................................         28
 
  B. Offering Price....................................................................         28
 
IX. Taxation of the Fund and Shareholders..............................................         30
 
X. Underwriters........................................................................         32
 
XI. Calculation of Performance Data....................................................         33
 
XII. Financial Statements..............................................................         33
</TABLE>
 
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GLOSSARY OF SELECTED DEFINED TERMS
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    The terms defined in this glossary are frequently used in this STATEMENT OF
ADDITIONAL INFORMATION (other terms used occasionally are defined in the text of
the document).
 
"CUSTODIAN"--The Bank of New York is the Custodian of the Fund's assets.
 
"DEAN WITTER REYNOLDS"--Dean Witter Reynolds Inc., a wholly-owned broker-dealer
subsidiary of MSDW.
 
"DISTRIBUTOR"--Morgan Stanley Dean Witter Distributors Inc., a wholly-owned
broker-dealer subsidiary of MSDW.
 
"FINANCIAL ADVISORS"--Morgan Stanley Dean Witter authorized financial services
representatives.
 
"FUND"--Morgan Stanley Dean Witter New York Municipal Money Market Trust, a
registered open-end investment company.
 
"INVESTMENT MANAGER"--Morgan Stanley Dean Witter Advisors Inc., a wholly-owned
investment advisor subsidiary of MSDW.
 
"INDEPENDENT TRUSTEES"--Trustees who are not "INTERESTED PERSONS" (as defined by
the Investment Company Act) of the Fund.
 
"MORGAN STANLEY & CO."--Morgan Stanley & Co. Incorporated, a wholly-owned
broker-dealer subsidiary of MSDW.
 
"MORGAN STANLEY DEAN WITTER FUNDS"--Registered investment companies (i) for
which the Investment Manager serves as the investment advisor and (ii) that hold
themselves out to investors as related companies for investment and investor
services.
 
"MSDW"--Morgan Stanley Dean Witter & Co., a preeminent global financial services
firm.
 
"MSDW SERVICES COMPANY"--Morgan Stanley Dean Witter Services Company Inc., a
wholly-owned fund services subsidiary of the Investment Manager.
 
"TRANSFER AGENT"--Morgan Stanley Dean Witter Trust FSB, a wholly-owned transfer
agent subsidiary of MSDW.
 
"TRUSTEES"--The Board of Trustees of the Fund.
 
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I. FUND HISTORY
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    The Fund was organized as a Massachusetts business trust, under a
Declaration of Trust, on December 28, 1989, with the name Dean Witter/Sears New
York Municipal Money Market Trust. On February 19, 1993, the Fund's name was
changed to Dean Witter New York Municipal Money Market Trust. Effective June 22,
1998, the Fund's name was changed to Morgan Stanley Dean Witter New York
Municipal Money Market Trust.
 
II. DESCRIPTION OF THE FUND AND ITS INVESTMENTS AND RISKS
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A. CLASSIFICATION
 
    The Fund is an open-end, non-diversified management investment company whose
investment objective is to provide as high a level of daily income exempt from
federal and New York income tax as is consistent with stability of principal and
liquidity.
 
B. INVESTMENT STRATEGIES AND RISKS
 
    The following discussion of the Fund's investment strategies and risks
should be read with the sections of the Fund's PROSPECTUS titled "Principal
Investment Strategies" and "Principal Risks."
 
    LEASE OBLIGATIONS.  Included within the revenue bonds category in which the
Fund may invest are participations in lease obligations or installment purchase
contracts (collectively called "lease obligations") of municipalities. State and
local governments issue lease obligations to acquire equipment and facilities.
 
    Lease obligations may have risks not normally associated with general
obligation or other revenue bonds. Leases and installment purchase or
conditional sale contracts (which may provide for title to the leased asset to
pass eventually to the issuer) have developed as a means for governmental
issuers to acquire property and equipment without the necessity of complying
with the constitutional and statutory requirements generally applicable for the
issuance of debt. Certain lease obligations contain "non-appropriation" clauses
that provide that the governmental issuer has no obligation to make future
payments under the lease or contract unless money is appropriated for such
purpose by the appropriate legislative body on an annual or other periodic
basis. Consequently, continued lease payments on those lease obligations
containing "non-appropriation" clauses are dependent on future legislative
actions. If such legislative actions do not occur, the holders of the lease
obligation may experience difficulty in exercising their rights, including
disposition of the property.
 
    TAXABLE SECURITIES.  The Fund may invest up to 20% of its total assets in
taxable money market instruments and repurchase agreements. Investments in
taxable money market instruments would generally be made under any one of the
following circumstances: (a) pending investment proceeds of sale of Fund shares
or of portfolio securities; (b) pending settlement of purchases of portfolio
securities; and (c) to maintain liquidity for the purpose of meeting anticipated
redemptions. Only those non-New York tax-exempt securities which satisfy the
standards established for New York tax-exempt securities may be purchased by the
Fund.
 
    The types of taxable money market instruments in which the Fund may invest
are limited to the following short-term fixed-income securities (maturing in one
year or less from the time of purchase): (i) obligations of the United States
Government, its agencies, instrumentalities or authorities; (ii) commercial
paper rated P-1 by Moody's Investors Services, Inc. ("Moody's") or A-1 by
Standard & Poor's Corporation ("S&P"); (iii) certificates of deposit of domestic
banks with assets of $1 billion or more; and (iv) repurchase agreements with
respect to portfolio securities.
 
    VARIABLE RATE AND FLOATING RATE OBLIGATIONS.  The Fund may invest in
Municipal Bonds and Municipal Notes ("Municipal Obligations") of the type called
variable rate and floating rate obligations. The interest rate payable on a
variable rate obligation is adjusted either at predesignated periodic intervals
and, on a floating rate obligation, whenever there is a change in the market
rate of interest on which the interest rate payable is based. Other features may
include the right whereby the Fund may
 
                                       4
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demand prepayment of the principal amount of the obligation prior to its stated
maturity (a "demand feature") and the right of the issuer to prepay the
principal amount prior to maturity. The principal benefit of a variable rate
obligation is that the interest rate adjustment minimizes changes in the market
value of the obligation. As a result, the purchase of variable rate and floating
rate obligations should enhance the ability of the Fund to maintain a stable net
asset value per share and to sell obligations prior to maturity at a price that
is approximately the full principal amount of the obligations. The principal
benefit to the Fund of purchasing obligations with a demand feature is that
liquidity, and the ability of the Fund to obtain repayment of the full principal
amount of an obligation prior to maturity, is enhanced. The payment of principal
and interest by issuers of certain obligations purchased by the Fund may be
guaranteed by letters of credit or other credit facilities offered by banks or
other financial institutions. Such guarantees will be considered in determining
whether an obligation meets the Fund's investment quality requirements.
 
    INDUSTRIAL DEVELOPMENT AND POLLUTION CONTROL BONDS.  The Fund may invest
more than 25% of its total assets in industrial development and pollution
control bonds (two kinds of tax-exempt Municipal Bonds) whether or not the users
of facilities financed by such bonds are in the same industry. In cases where
such users are in the same industry, there may be additional risk to the Fund in
the event of an economic downturn in such industry, which may result generally
in a lowered need for such facilities and a lowered ability of such users to pay
for the use of such facilities.
 
    PUT OPTIONS.  The Fund may purchase securities together with the right to
resell them to the seller at an agreed upon price or yield within a specified
period prior to the maturity date of such securities. Such a right to resell is
commonly known as a "put," and the aggregate price which the Fund pays for
securities with puts may be higher than the price which otherwise would be paid
for the securities. The primary purpose of this practice is to permit the Fund
to be fully invested in securities, the interest on which is exempt from Federal
and New York personal income tax, while preserving the necessary flexibility and
liquidity to purchase securities on a when-issued basis, to meet unusually large
redemptions and to purchase at a later date securities other than those subject
to the put. The Fund's policy is, generally, to exercise the puts on their
expiration date, when the exercise price is higher than the current market price
for the related securities. Puts may be exercised prior to the expiration date
in order to fund obligations to purchase other securities or to meet redemption
requests. These obligations may arise during periods in which proceeds from
sales of Fund shares and from recent sales of portfolio securities are
insufficient to meet such obligations or when the funds available are otherwise
allocated for investment. In addition, puts may be exercised prior to their
expiration date in the event the Investment Manager revises its evaluation of
the creditworthiness of the issuer of the underlying security. In determining
whether to exercise puts prior to their expiration date and in selecting which
puts to exercise in such circumstances, the Investment Manager considers, among
other things, the amount of cash available to the Fund, the expiration dates of
the available puts, any future commitments for securities purchases, the yield,
quality and maturity dates of the underlying securities, alternative investment
opportunities and the desirability of retaining the underlying securities in the
Fund's portfolio.
 
    The Fund values securities which are subject to puts at their amortized cost
and values the put, apart from the security, at zero. Thus, the cost of the put
will be carried on the Fund's books as an unrealized loss from the date of
acquisition and will be reflected in realized gain or loss when the put is
exercised or expires. Since the value of the put is dependent on the ability of
the put writer to meet its obligation to repurchase, the Fund's policy is to
enter into put transactions only with municipal securities dealers who are
approved by the Trustees. Each dealer will be approved on its own merits and it
is the Fund's general policy to enter into put transactions only with those
dealers which are determined to present minimal credit risks. In connection with
such determination, the Trustees will review, among other things, the ratings,
if available, of equity and debt securities of such municipal securities
dealers, their reputations in the municipal securities markets, the net worth of
such dealers and their efficiency in consummating transactions. Bank dealers
normally will be members of the Federal Reserve System, and other dealers will
be members of the National Association of Securities Dealers, Inc. or members of
a national securities exchange. The Trustees have directed the Investment
Manager not to enter into put
 
                                       5
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transactions with, and to exercise outstanding puts of, any municipal securities
dealer which, in the judgment of the Investment Manager, ceases at any time to
present a minimal credit risk. In the event that a dealer should default on its
obligation to repurchase an underlying security, the Fund is unable to predict
whether all or any portion of any loss sustained could be subsequently recovered
from such dealer. The Fund may not invest more than 10% of its total assets in
puts at any given time. During the fiscal year ended December 31, 1998, the Fund
did not purchase any put options.
 
    In Revenue Ruling 82-144, the Internal Revenue Service stated that, under
certain circumstances, a purchaser of tax-exempt obligations which are subject
to puts will be considered the owner of the obligations for Federal income tax
purposes.
 
    REPURCHASE AGREEMENTS.  The Fund may invest in repurchase agreements. When
cash may be available for only a few days, it may be invested by the Fund in
repurchase agreements until such time as it may otherwise be invested or used
for payments of obligations of the Fund. These agreements, which may be viewed
as a type of secured lending by the Fund, typically involve the acquisition by
the Fund of debt securities from a selling financial institution such as a bank,
savings and loan association or broker-dealer. The agreement provides that the
Fund will sell back to the institution, and that the institution will
repurchase, the underlying security serving as collateral at a specified price
and at a fixed time in the future, usually not more than seven days from the
date of purchase. The Fund will accrue interest from the institution until the
time when the repurchase is to occur. Although this date is deemed by the Fund
to be the maturity date of a repurchase agreement, the maturities of securities
subject to repurchase agreements are not subject to any limits.
 
    While repurchase agreements involve certain risks not associated with direct
investments in debt securities, the Fund follows procedures designed to minimize
such risks. These procedures include effecting repurchase transactions only with
large, well capitalized and well established financial institutions, whose
financial condition will be continuously monitored. In addition, the value of
the collateral underlying the repurchase agreement will always be at least equal
to the resale price which consists of the acquisition price paid to the seller
of the securities plus the accrued resale premium which is defined as the amount
specified in the repurchase agreement or the daily amortization of the
difference between the acquisition price and the resale price specified in the
repurchase agreement. Such collateral will consist entirely of securities that
are direct obligations of, or that are fully guaranteed as to principal and
interest by, the United States or any agency thereof, and/or certificates of
deposit, bankers' acceptances which are eligible for acceptance by a Federal
Reserve Bank, and, if the seller is a bank, mortgage related securities (as such
term is defined in section 3(a)(41) of the Securities Exchange Act of 1934 that,
at the time the repurchase agreement is entered into, are rated in the highest
rating category by the Requisite NRSROs (as defined under Rule 2a-7 of the
Investment Company Act of 1940). Additionally, Upon an Event of Insolvency (as
defined under Rule 2a-7) with respect to the seller, the collateral must qualify
the repurchase agreement for preferential treatment under a provision of
applicable insolvency law providing an exclusion from any automatic stay of
creditors' rights against the seller . In the event of a default or bankruptcy
by a selling financial institution, the Fund will seek to liquidate such
collateral.
 
    However, the exercising of the Fund's right to liquidate such collateral
could involve certain costs or delays and, to the extent that proceeds from any
sale upon a default of the obligation to repurchase were less than the
repurchase price, the Fund could suffer a loss. It is the current policy of the
Fund not to invest in repurchase agreements that do not mature within seven days
if any such investment, together with any other illiquid assets held by the
Fund, amount to more than 10% of its total assets. The Fund's investments in
repurchase agreements may at times be substantial when, in the view of the
Fund's investment manager, liquidity or other considerations warrant.
 
    WHEN-ISSUED AND DELAYED DELIVERY SECURITIES.  From time to time the Fund may
purchase tax-exempt securities on a when-issued or delayed delivery basis. When
these transactions are negotiated, the price is fixed at the time of the
commitment, but delivery and payment can take place a month or more after the
date of commitment. While the Fund will only purchase securities on a
when-issued,
 
                                       6
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delayed delivery with the intention of acquiring the securities, the Fund may
sell the securities before the settlement date, if it is deemed advisable. The
securities so purchased or sold are subject to market fluctuation and no
interest or dividends accrue to the purchaser prior to the settlement date.
 
    At the time the Fund makes the commitment to purchase or sell securities on
a when-issued, delayed delivery, it will record the transaction and thereafter
reflect the value, each day, of such security purchased, or if a sale, the
proceeds to be received, in determining its net asset value. At the time of
delivery of the securities, their value may be more or less than the purchase or
sale price. An increase in the percentage of the Fund's assets committed to the
purchase of securities on a when-issued, delayed delivery may increase the
volatility of its net asset value. The Fund will also establish a segregated
account on the Fund's books in which it will continually maintain cash or cash
equivalents or other liquid portfolio securities equal in value to commitments
to purchase securities on a when-issued or delayed delivery basis.
 
    YEAR 2000.  The investment management services provided to the Fund by the
Investment Manager and the services provided to shareholders by the Distributor
and the Transfer Agent depend on the smooth functioning of their computer
systems. Many computer software systems in use today cannot recognize the year
2000, but revert to 1900 or some other date, due to the manner in which dates
were encoded and calculated. That failure could have a negative impact on the
handling of securities trades, pricing and account services. The Investment
Manager, the Distributor and the Transfer Agent have been actively working on
necessary changes to their own computer systems to prepare for the year 2000 and
expect that their systems will be adapted before that date, but there can be no
assurance that they will be successful, or that interaction with other
non-complying computer systems will not impair their services at that time.
 
    In addition, it is possible that the markets for securities in which the
Fund invests may be detrimentally affected by computer failures throughout the
financial services industry beginning January 1, 2000. Improperly functioning
trading systems may result in settlement problems and liquidity issues. In
addition, corporate and governmental data processing errors may result in
production problems for individual companies and overall economic uncertainties.
Earnings of individual issuers will be affected by remediation costs, which may
be substantial and may be reported inconsistently in U.S. and foreign financial
statements. Accordingly, the Fund's investments may be adversely affected.
 
    THE STATE OF NEW YORK--SPECIAL INVESTMENT CONSIDERATIONS.  Since the Fund
concentrates its investments in New York tax-exempt securities, the Fund is
significantly affected by any political, economic or regulatory developments
affecting the ability of New York tax-exempt issuers to pay interest or repay
principal. Investors should be aware that certain issuers of New York tax-exempt
securities have experienced serious financial difficulties in recent years. A
reoccurrence of these difficulties may impair the ability of certain New York
issuers to maintain debt service on their obligations.
 
    The fiscal stability of New York State is related to the fiscal stability of
the State's municipalities, its agencies and authorities (which generally
finance, construct and operate revenue-producing public benefit facilities).
This is due in part to the fact that agencies, authorities and local governments
in financial trouble often seek State financial assistance. The experience has
been that if New York City or any of the agencies or authorities suffers serious
financial difficulty, both the ability of the State, the City, the State's
political subdivisions, the agencies and the authorities to obtain financing in
the public credit markets and the market price of outstanding New York
tax-exempt securities are adversely affected.
 
    The following information on risk factors in concentrating in New York
Municipal Obligations is only a summary, based on publicly available official
statements relating to offerings of New York issuers of Municipal Obligations on
or prior to December 15, 1998 with respect to offerings of the State and
December 18, 1998 with respect to offerings of the City. No representation is
made as to the accuracy of such information.
 
    During the mid-1970's, the State, some of its agencies, instrumentalities
and public benefit corporations (the "Authorities"), and certain of its
municipalities faced serious financial difficulties. To address
 
                                       7
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many of these financial problems, the State developed various programs, many of
which were successful in ameliorating the financial crisis. Any further
financial problems experienced by these Authorities or municipalities could have
a direct adverse effect on the New York Municipal Obligations in which the Fund
invests.
 
    NEW YORK CITY
    GENERAL.  The national economic downturn which began in July 1990 adversely
affected the local economy, which had been declining since late 1989. As a
result, the City experienced job losses in 1990 and 1991 and real Gross City
Product ("GCP") fell in those two years. Beginning in 1992, the improvement in
the national economy helped stabilize conditions in the City. Employment losses
moderated toward year-end and real GCP increased, boosted by strong wage gains.
After noticeable improvements in the City's economy during 1994, economic growth
slowed in 1995 and thereafter improved commencing in calendar year 1996,
reflecting improved securities industry earnings and employment in other
sectors. Overall, the City's economic improvement accelerated significantly in
1997 and 1998. The City's current financial plan assumes that, after strong
growth in 1997-1998, moderate economic growth will exist through calendar year
2002, with moderating job growth and wage increases.
 
    For each of the 1981 through 1998 fiscal years, the City had an operating
surplus, before discretionary and other transfers, and achieved balanced
operating results as reported in accordance with then applicable generally
accepted accounting principles ("GAAP"). The City has been required to close
substantial gaps between forecast revenues and forecast expenditures in order to
maintain balanced operating results. There can be no assurance that the City
will continue to maintain balanced operating results as required by State law
without tax or other revenue increases or reductions in City services or
entitlement programs, which could adversely affect the City's economic base.
 
    1999-2002 NEW YORK CITY FINANCIAL PLAN.  The Mayor is responsible for
preparing the City's financial plan including the current financial plan for the
1999 through 2002 fiscal years (the "1999-2002 Financial Plan," the "Financial
Plan" or "City Plan").
 
    The Financial Plan projects revenues and expenditures for the 1999 fiscal
year balanced in accordance with GAAP. The Financial Plan takes into account an
increase in projected tax revenues in 1999 and 2000 and a decrease in projected
tax revenues in 2001 and 2002; an increase in planned expenditures for health
insurance; a decrease in projected pension expenditures; and other agency
spending increases. In addition, the Financial Plan includes a proposed
discretionary transfer to the 1999 fiscal year of $465 million to pay debt
service due in fiscal year 2000. The Financial Plan also sets forth projections
for the 2000 through 2002 fiscal years and projects gaps of $2.2 billion, $2.9
billion and $2.4 billion for the 2000 through 2002 fiscal years, respectively.
 
    The Financial Plan assumes (i) approval by the Governor and the State
Legislature of the extension of the 14% personal income tax surcharge, which is
scheduled to expire on December 31, 1999, and which is projected to provide
revenue of $183 million, $524 million and $544 million in the 2000, 2001 and
2002 fiscal years, respectively; and (ii) collection of the projected rent
payments for the City's airports, totaling $6 million, $365 million, $155
million and $185 million in the 1999 through 2002 fiscal years, respectively, a
substantial portion of which may depend on the successful completion of
negotiations with The Port Authority of New York and New Jersey or on the
enforcement of the City's rights under the existing leases through pending legal
actions. The Financial Plan provides no additional wage increases for City
employees after their contracts expire in fiscal years 2000 and 2001. In
addition, the economic and financial condition of the City may be affected by
various financial, social, economic and political factors which could have a
material effect on the City.
 
    On July 23, 1998, the New York State Comptroller issued a report which noted
that a significant cause for concern is the budget gaps in the 1999-2000 and
2000-2001 fiscal years, which the State Comptroller projected at $1.8 billion
and $5.5 billion, respectively, after excluding the uncertain receipt by the
State of $250 million of funds from the tobacco settlement assumed for each of
such fiscal years, as well as the unspecified actions assumed in the State's
projections. The State Comptroller also stated that if the securities industry
or economy slows, the size of the gaps would increase.
 
                                       8
<PAGE>
    The City depends on the State for State aid both to enable the City to
balance its budget and to meet its cash requirements. There can be no assurance
that there will not be reductions in State aid to the City from amounts
currently projected; that the State budgets in future fiscal years will be
adopted by the April 1 statutory deadline, or interim appropriations enacted; or
that any such reductions or delays will not have adverse effects on the City's
cash flow or expenditures.
 
    The City's projections set forth in the City Plan are based on various
assumptions and contingencies which are uncertain and which may not materialize.
 
    Implementation of the Financial Plan is dependent upon the City's ability to
market its securities successfully. The City's financing program for fiscal
years 1999 through 2002 contemplates the issuance of $5.2 billion of general
obligation bonds and $5.4 billion of bonds to be issued by the New York City
Transitional Finance Authority (the "Finance Authority") to finance City capital
projects. The Finance Authority was created to assist the City in financing its
capital program while keeping City indebtedness within the forecast level of the
constitutional restrictions on the amount of debt the City is authorized to
incur. In addition, the City issues revenue and tax anticipation notes to
finance its seasonal working capital requirements. The success of projected
public sales of City bonds and notes, New York City Municipal Water Finance
Authority ("Water Authority") bonds and Finance Authority bonds will be subject
to prevailing market conditions. The City's planned capital and operating
expenditures are dependent upon the sale of its general obligation bonds and
notes, and the Water Authority and Finance Authority bonds. Future developments
concerning the City and public discussion of such developments, as well as
prevailing market conditions, may affect the market for outstanding City general
obligation bonds and notes.
 
    The City Comptroller and other agencies and public officials issue reports
and make public statements which, among other things, state that projected
revenues and expenditures may be different from those forecasted in the City
Plan. It is reasonable to expect that such reports and statements will continue
to be issued and to engender public comment.
 
    RATINGS.  Moody's has rated the City's general obligation bonds A3. S&P has
rated such bonds A-. Fitch IBCA, Inc. ("Fitch") has rated such bonds A-. Such
ratings reflect only the views of Moody's, S&P and Fitch from which an
explanation of the significance of such ratings must be obtained. There is no
assurance that such ratings will continue for any given period of time or that
they will not be revised downward or withdrawn entirely. Any such downward
revision or withdrawal could have an adverse effect on the market prices of such
bonds. On July 16, 1998, S&P revised its rating of City bonds upward to A- from
BBB+. Moody's rating of City bonds was revised in February 1998 to A3 from Baa1.
Moody's, S&P and Fitch currently rate the City's outstanding general obligation
bonds A3, A- and A-, respectively.
 
    OUTSTANDING NET INDEBTEDNESS.  As of September 30, 1998, the City and the
Municipal Assistance Corporation for the City of New York had, respectively,
$26.391 billion and $3.141 billion of outstanding net long-term debt.
 
    LITIGATION.  The City is a defendant in lawsuits pertaining to material
matters, including claims asserted which are incidental to performing routine
governmental and other functions. This litigation includes, but is not limited
to, actions commenced and claims asserted against the City arising out of
alleged torts, alleged breaches of contracts, alleged violations of law and
condemnation proceedings. As of June 30, 1998 and 1997, claims in excess of $472
billion and $530 billion, respectively, were outstanding against the City for
which the City estimates its potential future liability to be $3.5 billion for
both fiscal years 1998 and 1997.
 
    NEW YORK STATE
    RECENT DEVELOPMENTS.  The national economy has maintained a robust rate of
growth, with over 16.5 million jobs added nationally since early 1992. The State
economy has continued to expand, but growth remains somewhat slower than in the
nation. Although the State has added approximately
 
                                       9
<PAGE>
400,000 jobs since late 1992, employment growth in the State has been hindered
during recent years by significant cutbacks in the computer and instrument
manufacturing, utility, defense and banking industries. Government downsizing
has also moderated these job gains.
 
    The forecast of the State's economy shows continued expansion during the
1998 calendar year, with employment growth gradually slowing as the year
progresses. The financial and business service sectors are expected to continue
to do well, while employment in the manufacturing and government sectors will
post only small, if any, declines. On an average annual basis, the employment
growth rate in the State is expected to be higher than in 1997 and the
unemployment rate is expected to drop further to 6.1%. Personal income is
expected to record moderate gains in 1998. Wage growth in 1998 is expected to be
slower than in the previous year as the recent robust growth in bonus payments
moderates.
 
    The forecast for continued growth, and any resultant impact on the 1997-1998
New York State Financial Plan (the "State Plan"), contains some uncertainties.
Stronger-than-expected gains in employment and wages could lead to surprisingly
strong growth in consumer spending. Investments could also remain robust.
Conversely, net exports could plunge even more sharply than expected, with
adverse impacts on the growth of both consumer spending and investment. The
inflation rate may differ significantly from expectations due to the upward
pressure of a tight labor market and the downward pressure of price reductions
emanating from the economic weakness in Asia. In addition, the State economic
forecast could over- or under-estimate the level of future bonus payments or
inflation growth, resulting in forecasted average wage growth that could differ
significantly from actual growth. Similarly, the State forecast could fail to
correctly account for declines in banking employment and the direction of
employment change that is likely to accompany telecommunications and energy
deregulation.
 
    THE 1998-99 FISCAL YEAR.  The State's General Fund (the major operating fund
of the State) was projected in the State Plan to be balanced on a cash basis for
the 1998-99 fiscal year. Total receipts and transfers from other funds are
projected to reach $37.84 billion, an increase of over $3 billion from the prior
fiscal year, and disbursements and transfers to other funds are projected to be
$36.78 billion, an increase of $2.43 billion from the total disbursed in the
prior fiscal year.
 
    Projections of total State receipts in the State Plan are based on the State
structure in effect during the fiscal year and on assumptions relating to basic
economic factors and their historical relationships to State tax receipts. In
preparing projections of State receipts, economic forecasts relating to personal
income, wages, consumption, profits and employment have been particularly
important. The projection of receipts from most tax or revenue sources is
generally made by estimating the change in yield of such tax or revenue source
caused by economic and other factors, rather than by estimating the total yield
of such tax or revenue source from its estimated tax base. The forecasting
methodology, however, ensures that State fiscal year collection estimates for
taxes that are based on a computation of annual liability, such as the business
and personal income taxes, are consistent with estimates of total liability
under such taxes.
 
    Projections of total State disbursements are based on assumptions relating
to economic and demographic factors, levels of disbursements for various
services provided by local governments (where the cost is partially reimbursed
by the State), and the results of various administrative and statutory
mechanisms in controlling disbursements for State operations. Factors that may
affect the level of disbursements in the fiscal year include uncertainties
relating to the economy of the nation and the State, the policies of the federal
government and changes in the demand for and use of State services.
 
    In recent years, State actions affecting the level of receipts and
disbursements, the relative strength of the State and regional economy and
actions of the federal government have helped to create projected structural
budget gaps for the State. These gaps result from a significant disparity
between recurring revenues and the costs of maintaining or increasing the level
of support for State programs. To address a potential imbalance in any given
fiscal year, the State would be required to take actions to increase receipts
and/or reduce disbursements as it enacts the budget for that year, and under the
State Constitution, the Governor is required to propose a balanced budget each
year. There can be no
 
                                       10
<PAGE>
assurance, however, that the Legislature will enact the Governor's proposals or
that the State's actions will be sufficient to preserve budgetary balance in a
given fiscal year or to align recurring receipts and disbursements in future
fiscal years.
 
    NEW YORK LOCAL GOVERNMENT ASSISTANCE CORPORATION.  In 1990, as part of a
State fiscal reform program, legislation was enacted creating the New York Loan
Government Assistance Corporation ("LGAC"), a public benefit corporation
empowered to issue long-term obligations to fund certain payments to local
governments traditionally funded through the State's annual seasonal borrowing.
The legislation empowered LGAC to issue bonds and notes in an amount not in
excess of $4.7 billion (exclusive of certain refunding bonds). Over a period of
years, the issuance of those long-term obligations, which will be amortized over
no more than 30 years, is expected to result in eliminating the need for
continuing short-term seasonal borrowing. The legislation also dedicated
revenues equal to one-quarter of the four cent State sales and use tax to pay
debt service on these bonds. The legislation also imposed a cap on the annual
seasonal borrowing of the State at $4.7 billion, less net proceeds of bonds
issued by LGAC and bonds issued to provide for capitalized interest, except in
cases where the Governor and the legislative leaders have certified both the
need for additional borrowing and provided a schedule for reducing it to the
cap. If borrowing above the cap is thus permitted in any fiscal year, it is
required by law to be reduced to the cap by the fourth fiscal year after the
limit was first exceeded. This provision capping the seasonal borrowing was
included as a covenant with LGAC's bondholders in the resolution authorizing
such bonds.
 
    As of June 1995, LGAC has issued bonds and notes to provide net proceeds of
$4.7 billion completing the program. The impact of LGAC's borrowing, as well as
other changes in revenue and spending patterns, is that the State has been able
to meet its cash flow needs throughout the fiscal year without relying on
short-term seasonal borrowings.
 
    COMPOSITION OF STATE GOVERNMENTAL FUNDS GROUP.  Substantially all State
non-pension financial operations are accounted for in the State's governmental
funds group. Governmental funds include: (i) the General Fund, which receives
all income not required by law to be deposited in another fund; (ii) Special
Revenue Funds, which receive the preponderance of moneys received by the State
from the Federal government and other income the use of which is legally
restricted to certain purposes; (iii) Capital Projects Funds, used to finance
the acquisition and construction of major capital facilities by the State and to
aid in certain of such projects conducted by local governments or public
authorities; and (iv) Debt Service Funds, which are used for the accumulation of
moneys for the payment of principal of and interest on long-term debt and to
meet lease-purchase and other contractual-obligation commitments.
 
    AUTHORITIES.  The fiscal stability of the State is related to the fiscal
stability of its public Authorities. Authorities have various responsibilities,
including those which finance, construct and/or operate revenue-producing public
facilities. Authorities are not subject to the constitutional restrictions on
the incurrence of debt which apply to the State itself, and may issue bonds and
notes within the amounts and restrictions set forth in their legislative
authorization. As of December 31, 1997, there were 17 Authorities that had
outstanding debt of $100 million or more and the aggregate outstanding debt,
including refunding bonds, of all Authorities was $84 billion, only a portion of
which constitutes State-supported or State-related debt.
 
    Authorities are generally supported by revenues generated by the projects
financed or operated, such as tolls charged for use of highways, bridges or
tunnels, charges for electric power, electric and gas utility services, rentals
charged for housing units and charges for occupancy at medical care facilities.
In addition, State legislation authorizes several financing techniques for
Authorities. Also, there are statutory arrangements providing for State local
assistance payments otherwise payable to localities to be made under certain
circumstances to Authorities. Although the State has no obligation to provide
additional assistance to localities whose local assistance payments have been
paid to Authorities under
 
                                       11
<PAGE>
these arrangements, if local assistance payments are diverted the affected
localities could seek additional State assistance. Some Authorities also receive
moneys from State appropriations to pay for the operating costs of certain of
their programs.
 
    RATINGS.  S&P rates the State's general obligation bonds A, and Moody's
rates the State's general obligation bonds A2.
 
    Ratings reflect only the respective views of such organizations, and an
explanation of the significance of such ratings must be obtained from the rating
agency furnishing the same. There is no assurance that a particular rating will
continue for any given period of time or that any such rating will not be
revised downward or withdrawn entirely if, in the judgment of the agency
originally establishing the rating, circumstances so warrant. A downward
revision or withdrawal of such ratings, or either of them, may have an effect on
the market price of the State Municipal Obligations in which the Fund invests.
 
    GENERAL OBLIGATION DEBT.  As of March 31, 1998, the State had outstanding
approximately $5.03 billion in general obligation bonds, including $294 million
in bond anticipation notes outstanding. Principal and interest due on general
obligation bonds and interest due on bond anticipation notes were $749.6 million
for the 1998-99 fiscal years, and are estimated to be $695 million for the
State's 1999-2000 fiscal year.
 
    LITIGATION.  The State is a defendant in numerous legal proceedings
pertaining to matters incidental to the performance of routine governmental
operations. Such litigation includes, but is not limited to, claims asserted
against the State arising from alleged torts, alleged breaches of contracts,
condemnation proceedings and other alleged violations of State and Federal laws.
These proceedings could affect adversely the financial condition of the State in
the 1998-1999 fiscal year or thereafter.
 
    The State believes that the State Plan includes sufficient reserves for the
payment of judgments that may be required during the 1998-1999 fiscal year.
There can be no assurance, however, that an adverse decision in any of these
proceedings would not exceed the amount of all potential State Plan reserves
available for the payment of judgements and, therefore, could affect the ability
of the State to maintain a balanced 1998-1999 State Plan. The General Purpose
Financial Statements for the 1997-1998 fiscal year report estimated probable
awarded and anticipated unfavorable judgements of $872 million, of which $90
million is expected to be paid during the 1998-1999 fiscal year.
 
    In addition, the State is party to other claims and litigation which its
legal counsel has advised are not probable of adverse court decisions or are not
deemed adverse and material. Although the amounts of potential losses, if any,
are not presently determinable, it is the State's opinion that its ultimate
liability in these cases is not expected to have a material and adverse effect
on the State's financial position in the 1998-1999 fiscal year or thereafter.
 
    OTHER LOCALITIES.  Certain localities in addition to the City could have
financial problems leading to requests for additional State assistance during
the State's current fiscal year and thereafter. The potential impact on the
State of such actions by localities is not included in the projections of the
State receipts and disbursements in the State's 1998-99 fiscal year.
 
C. FUND POLICIES/INVESTMENT RESTRICTIONS
 
    The investment objective, policies and restrictions listed below have been
adopted by the Fund as fundamental policies. Under the Investment Company Act of
1940 (the "Investment Company Act"), a fundamental policy may not be changed
without the vote of a majority of the outstanding voting securities of the Fund.
The Investment Company Act defines a majority as the lesser of (a) 67% or more
of the shares present at a meeting of shareholders, if the holders of 50% of the
outstanding shares of the Fund are present or represented by proxy; or (b) more
than 50% of the outstanding shares of the Fund. For purposes of the following
restrictions: (i) all percentage limitations apply immediately after a purchase
or initial investment; and (ii) any subsequent change in any applicable
percentage resulting from market fluctuations or other changes in total or net
assets does not require elimination of any security from the portfolio.
 
                                       12
<PAGE>
    The Fund will:
 
         1.  Provide as high a level of daily income exempt from federal and New
    York income tax as is consistent with stability of principal and liquidity.
 
    In addition, for purposes of the following restrictions: (a) an "issuer" of
a security is the entity whose assets and revenues are committed to the payment
of interest and principal on that particular security, provided that the
guarantee of a security will be considered a separate security and provided
further that a guarantee of a security shall not be deemed a security issued by
the guarantor if the value of all securities guaranteed by the guarantor and
owned by the Fund does not exceed 10% of the value of the total assets of the
Fund; (b) a "taxable security" is any security the interest on which is subject
to federal income tax; and (c) all percentage limitations apply immediately
after a purchase or initial investment, and any subsequent change in any
applicable percentage resulting from market fluctuations or other changes in
total or net assets does not require elimination of any security from the
portfolio.
 
    The Fund may not:
 
         1.  Invest in common stock.
 
         2.  Write, purchase or sell puts, calls, or combinations thereof,
    except that it may acquire rights to resell Municipal Obligations at an
    agreed upon price and at or within an agreed upon time.
 
         3.  Invest 25% or more of the value of its total assets in taxable
    securities of issuers in any one industry (industrial development and
    pollution control bonds are grouped into industries based upon the business
    in which the issuers of such obligations are engaged). This restriction does
    not apply to obligations issued or guaranteed by the United States
    Government, its agencies or instrumentalities or to Municipal Obligations,
    including those issued by the State of New York or its political
    subdivisions, or to domestic bank obligations.
 
         4.  Invest in securities of any issuer if, to the knowledge of the
    Fund, any officer or trustee of the Fund or of the Investment Manager owns
    more than 1/2 of 1% of the outstanding securities of the issuer, and the
    officers and trustees who own more than 1/2 of 1% own in the aggregate more
    than 5% of the outstanding securities of the issuer.
 
         5.  Purchase or sell real estate or interests therein, although the
    Fund may purchase securities secured by real estate or interests therein.
 
         6.  Purchase or sell commodities or commodity futures contracts.
 
         7.  Borrow money, except that the Fund may borrow from a bank for
    temporary or emergency purposes in amounts not exceeding 5% (taken at the
    lower of cost or current value) of the value of its total assets (not
    including the amount borrowed).
 
         8.  Pledge its assets or assign or otherwise encumber them except to
    secure permitted borrowings. To meet the requirements of regulations in
    certain states, the Fund, as a matter of operating policy but not as a
    fundamental policy, will limit any pledge of its assets to 10% of its net
    assets so long as shares of the Fund are being sold in those states.
 
         9.  Issue senior securities as defined in the Investment Company Act
    except insofar as the Fund may be deemed to have issued a senior security by
    reason of: (a) purchasing any securities on a when-issued or delayed
    delivery basis; or (b) borrowing money.
 
        10.  Make loans of money or securities, except: (a) by the purchase of
    debt obligations; and (b) by investment in repurchase agreements.
 
        11.  Make short sales of securities.
 
        12.  Purchase securities on margin, except for such short-term loans as
    are necessary for the clearance of purchases of portfolio securities.
 
        13.  Engage in the underwriting of securities, except insofar as the
    Fund may be deemed an underwriter under the Securities Act in disposing of a
    portfolio security.
 
                                       13
<PAGE>
        14.  Invest for the purpose of exercising control or management of any
    other issuer.
 
        15.  Purchase oil, gas or other mineral leases, rights or royalty
    contracts, or exploration or development programs.
 
        16.  Purchase securities of other investment companies, except in
    connection with a merger, consolidation, reorganization or acquisition of
    assets.
 
    Notwithstanding any other investment policy or restriction, the Fund may
seek to achieve its investment objective by investing all or substantially all
of its assets in another investment company having substantially the same
investment objective and policies as the Fund.
 
III. MANAGEMENT OF THE FUND
- --------------------------------------------------------------------------------
 
A. BOARD OF TRUSTEES
 
    The Board of Trustees of the Fund oversees the management of the Fund but
does not itself manage the Fund. The Trustees review various services provided
by or under the direction of the Investment Manager to ensure that the Fund's
general investment policies and programs are properly carried out. The Trustees
also conduct their review to ensure that administrative services are provided to
the Fund in a satisfactory manner.
 
    Under state law, the duties of the Trustees are generally characterized as a
duty of loyalty and a duty of care. The duty of loyalty requires a Trustee to
exercise his or her powers in the interest of the Fund and not the Trustee's own
interest or the interest of another person or organization. A Trustee satisfies
his or her duty of care by acting in good faith with the care of an ordinarily
prudent person and in a manner the Trustee reasonably believes to be in the best
interest of the Fund and its shareholders.
 
B. MANAGEMENT INFORMATION
 
    TRUSTEES AND OFFICERS.  The Board of the Fund consists of eight (8)
Trustees. These same individuals also serve as directors or trustees for all of
the Morgan Stanley Dean Witter Funds. Seven Trustees (77% of the total number)
have no affiliation or business connection with the Investment Manager or any of
its affiliated persons and do not own any stock or other securities issued by
the Investment Manager's parent company, MSDW. These are the "non-interested" or
"independent" Trustees. The other two Trustees (the "management Trustees") are
affiliated with the Investment Manager. All of the Independent Trustees also
serve as Independent Trustees of "Discover Brokerage Index Series," a mutual
fund for which the Investment Manager is the investment advisor. Four of the
seven Independent Trustees are also Independent Trustees of certain other mutual
funds, referred to as the "TCW/DW Funds," for which MSDW Services Company is the
manager and TCW Funds Management, Inc. is the investment advisor.
 
                                       14
<PAGE>
    The Trustees and executive officers of the Fund, their principal business
occupations during the last five years and their affiliations, if any, with the
Investment Manager, and with the 84 Morgan Stanley Dean Witter Funds, the 11
TCW/DW Funds and Discover Brokerage Index Series, are shown below.
 
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
Michael Bozic (58) ...................................  Vice Chairman of Kmart Corporation (since December, 1998);
Trustee                                                 Director or Trustee of the Morgan Stanley Dean Witter
c/o Kmart Corporation                                   Funds; Trustee of Discover Brokerage Index Series;
3100 West Big Beaver Road                               formerly Chairman and Chief Executive Officer of Levitz
Troy, Michigan                                          Furniture Corporation (November, 1995-November, 1998) and
                                                        President and Chief Executive Officer of Hills Department
                                                        Stores (May, 1991-July, 1995); formerly variously
                                                        Chairman, Chief Executive Officer, President and Chief
                                                        Operating Officer (1987-1991) of the Sears Merchandise
                                                        Group of Sears, Roebuck and Co.; Director of Eaglemark
                                                        Financial Services, Inc. and Weirton Steel Corporation.
 
Charles A. Fiumefreddo* (65) .........................  Chairman, Director or Trustee, President and Chief
Chairman of the Board, President,                       Executive Officer of the Morgan Stanley Dean Witter Funds;
Chief Executive Officer and Trustee                     Chairman, Chief Executive Officer and Trustee of the
Two World Trade Center                                  TCW/DW Funds; Trustee of Discover Brokerage Index Series;
New York, New York                                      formerly Chairman, Chief Executive Officer and Director of
                                                        the Investment Manager, the Distributor and MSDW Services
                                                        Company; Executive Vice President and Director of Dean
                                                        Witter Reynolds; Chairman and Director of the Transfer
                                                        Agent; formerly Director and/or officer of various MSDW
                                                        subsidiaries (until June, 1998).
 
Edwin J. Garn (66) ...................................  Director or Trustee of the Morgan Stanley Dean Witter
Trustee                                                 Funds; Trustee of Discover Brokerage Index Series;
c/o Huntsman Corporation                                formerly United States Senator (R-Utah)(1974-1992) and
500 Huntsman Way                                        Chairman, Senate Banking Committee (1980-1986); formerly
Salt Lake City, Utah                                    Mayor of Salt Lake City, Utah (1971-1974); formerly
                                                        Astronaut, Space Shuttle Discovery (April 12-19, 1985);
                                                        Vice Chairman, Huntsman Corporation; Director of Franklin
                                                        Covey (time management systems), John Alden Financial
                                                        Corp. (health insurance), United Space Alliance (joint
                                                        venture between Lockheed Martin and the Boeing Company)
                                                        and Nuskin Asia Pacific (multilevel marketing); member of
                                                        the board of various civic and charitable organizations.
</TABLE>
 
                                       15
<PAGE>
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
Wayne E. Hedien (65) .................................  Retired; Director or Trustee of the Morgan Stanley Dean
Trustee                                                 Witter Funds; Trustee of Discover Brokerage Index Series;
c/o Gordon Altman Butowsky                              Director of The PMI Group, Inc. (private mortgage
Weitzen Shalov & Wein                                   insurance); Trustee and Vice Chairman of The Field Museum
Counsel to the Independent Trustees                     of Natural History; formerly associated with the Allstate
114 West 47th Street                                    Companies (1966-1994), most recently as Chairman of The
New York, New York                                      Allstate Corporation (March, 1993-December, 1994) and
                                                        Chairman and Chief Executive Officer of its wholly-owned
                                                        subsidiary, Allstate Insurance Company (July,
                                                        1989-December, 1994); director of various other business
                                                        and charitable organizations.
 
Dr. Manuel H. Johnson (50) ...........................  Senior Partner, Johnson Smick International, Inc., a
Trustee                                                 consulting firm; Co-Chairman and a founder of the Group of
c/o Johnson Smick International, Inc.                   Seven Council (G7C), an international economic commission;
1133 Connecticut Avenue, N.W.                           Director or Trustee of the Morgan Stanley Dean Witter
Washington, D.C.                                        Funds; Trustee of the TCW/ DW Funds; Trustee of Discover
                                                        Brokerage Index Series; Director of NASDAQ (since June,
                                                        1995); Director of Greenwich Capital Markets, Inc.
                                                        (broker-dealer) and NVR, Inc. (home construction); Chair-
                                                        man and Trustee of the Financial Accounting Foundation
                                                        (oversight organization of the Financial Accounting
                                                        Standards Board); formerly Vice Chairman of the Board of
                                                        Governors of the Federal Reserve System (1986-1990) and
                                                        Assistant Secretary of the U.S. Treasury.
 
Michael E. Nugent (62) ...............................  General Partner, Triumph Capital, L.P., a private
Trustee                                                 investment partnership; Director or Trustee of the Morgan
c/o Triumph Capital, L.P.                               Stanley Dean Witter Funds; Trustee of the TCW/DW Funds;
237 Park Avenue                                         Trustee of Discover Brokerage Index Series; formerly Vice
New York, New York                                      President, Bankers Trust Company and BT Capital
                                                        Corporation (1984-1988); director of various business
                                                        organizations.
 
Philip J. Purcell* (55) ..............................  Chairman of the Board of Directors and Chief Executive
Trustee                                                 Officer of MSDW, Dean Witter Reynolds and Novus Credit
1585 Broadway                                           Services Inc.; Director of the Distributor; Director or
New York, New York                                      Trustee of the Morgan Stanley Dean Witter Funds; Trustee
                                                        of Discover Brokerage Index Series; Director and/or
                                                        officer of various MSDW subsidiaries.
</TABLE>
 
                                       16
<PAGE>
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
John L. Schroeder (68) ...............................  Retired; Director or Trustee of the Morgan Stanley Dean
Trustee                                                 Witter Funds; Trustee of the TCW/DW Funds; Trustee of
c/o Gordon Altman Butowsky                              Discover Brokerage Index Series; Director of Citizens
Weitzen Shalov & Wein                                   Utilities Company; formerly Executive Vice President and
Counsel to the Independent Trustees                     Chief Investment Officer of the Home Insurance Company
114 West 47th Street                                    (August, 1991-September, 1995).
New York, New York
 
Barry Fink (44) ......................................  Senior Vice President (since March, 1997) and Secretary
Vice President,                                         and General Counsel (since February, 1997) and Director
Secretary and General Counsel                           (since July, 1998) of the Investment Manager and MSDW
Two World Trade Center                                  Services Company; Senior Vice President (since March,
New York, New York                                      1997) and Assistant Secretary and Assistant General
                                                        Counsel (since February, 1997) of the Distributor;
                                                        Assistant Secretary of Dean Witter Reynolds (since August,
                                                        1996); Vice President, Secretary and General Counsel of
                                                        the Morgan Stanley Dean Witter Funds and the TCW/DW Funds
                                                        (since February, 1997); Vice President, Secretary and
                                                        General Counsel of Discover Brokerage Index Series;
                                                        previously First Vice President (June, 1993-February,
                                                        1997), Vice President and Assistant Secretary and
                                                        Assistant General Counsel of the Investment Manager and
                                                        MSDW Services Company and Assistant Secretary of the Mor-
                                                        gan Stanley Dean Witter Funds and the TCW/DW Funds.
 
Katherine H. Stromberg (50) ..........................  Vice President of the Investment Manager; Vice President
Vice President                                          of various Morgan Stanley Dean Witter Funds.
Two World Trade Center
New York, New York
 
Thomas F. Caloia (53) ................................  First Vice President and Assistant Treasurer of the
Treasurer                                               Investment Manager and MSDW Services Company; Treasurer of
Two World Trade Center                                  the Morgan Stanley Dean Witter Funds, the TCW/DW Funds and
New York, New York                                      Discover Brokerage Index Series.
</TABLE>
 
- ------------------------
*Denotes Trustees who are "interested persons" of the Fund as defined by the
Investment Company Act.
 
    In addition, MITCHELL M. MERIN, President and Chief Operating Officer of
Asset Management of MSDW, President, Chief Executive Officer and Director of the
Investment Manager and MSDW Services Company, Chairman and Director of the
Distributor and the Transfer Agent, Executive Vice President and Director of
Dean Witter Reynolds, and Director of various MSDW subsidiaries, RONALD E.
ROBISON, Executive Vice President, Chief Administrative Officer and Director of
the Investment Manager and MSDW Services Company, ROBERT S. GIAMBRONE, Senior
Vice President of the Investment Manager, MSDW Services Company, the Distributor
and the Transfer Agent and Director of the Transfer Agent, JOSEPH J. MCALINDEN,
Executive Vice President and Chief Investment Officer of the Investment Manager
 
                                       17
<PAGE>
and Director of the Transfer Agent, and PETER M. AVELAR, JONATHAN R. PAGE and
JAMES F. WILLISON, Senior Vice Presidents of the Investment Manager, and JOSEPH
R. ARCIERI and GERARD J. LIAN, Vice Presidents of the Investment Manager, are
Vice Presidents of the Fund.
 
    In addition, FRANK BRUTTOMESSO, MARILYN K. CRANNEY, LOUANNE D. MCINNIS,
CARSTEN OTTO and RUTH ROSSI, First Vice Presidents and Assistant General
Counsels of the Investment Manager and MSDW Services Company and TODD LEBO, Vice
President and Assistant General Counsel of the Investment Manager and MSDW
Services Company, are Assistant Secretaries of the Fund.
 
    INDEPENDENT TRUSTEES AND THE COMMITTEES.  Law and regulation establish both
general guidelines and specific duties for the Independent Trustees. The Morgan
Stanley Dean Witter Funds seek as Independent Trustees individuals of
distinction and experience in business and finance, government service or
academia; these are people whose advice and counsel are in demand by others and
for whom there is often competition. To accept a position on the Funds' Boards,
such individuals may reject other attractive assignments because the Funds make
substantial demands on their time. Indeed, by serving on the Funds' Boards,
certain Trustees who would otherwise be qualified and in demand to serve on bank
boards would be prohibited by law from doing so. All of the Independent Trustees
serve as members of the Audit Committee. In addition, three of the Trustees,
including two Independent Trustees, serve as members of the Derivatives
Committee and the Insurance Committee.
 
    The Independent Trustees are charged with recommending to the full Board
approval of management, advisory and administration contracts, Rule 12b-1 plans
and distribution and underwriting agreements; continually reviewing Fund
performance; checking on the pricing of portfolio securities, brokerage
commissions, transfer agent costs and performance, and trading among Funds in
the same complex; and approving fidelity bond and related insurance coverage and
allocations, as well as other matters that arise from time to time. The
Independent Trustees are required to select and nominate individuals to fill any
Independent Trustee vacancy on the Board of any Fund that has a Rule 12b-1 plan
of distribution. Most of the Morgan Stanley Dean Witter Funds have a Rule 12b-1
plan.
 
    The Audit Committee is charged with recommending to the full Board the
engagement or discharge of the Fund's independent accountants; directing
investigations into matters within the scope of the independent accountants'
duties, including the power to retain outside specialists; reviewing with the
independent accountants the audit plan and results of the auditing engagement;
approving professional services provided by the independent accountants and
other accounting firms prior to the performance of the services; reviewing the
independence of the independent accountants; considering the range of audit and
non-audit fees; reviewing the adequacy of the Fund's system of internal
controls; and preparing and submitting Committee meeting minutes to the full
Board.
 
    The Board of each Fund has a Derivatives Committee to approve parameters for
and monitor the activities of the Fund with respect to derivative investments,
if any, made by the Fund.
 
    Finally, the Board of each Fund has formed an Insurance Committee to review
and monitor the insurance coverage maintained by the Fund.
 
    ADVANTAGES OF HAVING SAME INDIVIDUALS AS INDEPENDENT TRUSTEES FOR ALL MORGAN
STANLEY DEAN WITTER FUNDS.  The Independent Trustees and the Funds' management
believe that having the same Independent Trustees for each of the Morgan Stanley
Dean Witter Funds avoids the duplication of effort that would arise from having
different groups of individuals serving as Independent Trustees for each of the
Funds or even of sub-groups of Funds. They believe that having the same
individuals serve as Independent Trustees of all the Funds tends to increase
their knowledge and expertise regarding matters which affect the Fund complex
generally and enhances their ability to negotiate on behalf of each Fund with
the Fund's service providers. This arrangement also precludes the possibility of
separate groups of Independent Trustees arriving at conflicting decisions
regarding operations and management of the Funds and avoids the cost and
confusion that would likely ensue. Finally, having the same Independent Trustees
serve on all Fund Boards enhances the ability of each Fund to obtain, at modest
 
                                       18
<PAGE>
cost to each separate Fund, the services of Independent Trustees, of the
caliber, experience and business acumen of the individuals who serve as
Independent Trustees of the Morgan Stanley Dean Witter Funds.
 
    TRUSTEE AND OFFICER INDEMNIFICATION.  The Fund's Declaration of Trust
provides that no Trustee, officer, employee or agent of the Fund is liable to
the Fund or to a shareholder, nor is any Trustee, officer, employee or agent
liable to any third persons in connection with the affairs of the Fund, except
as such liability may arise from his/her or its own bad faith, willful
misfeasance, gross negligence or reckless disregard of his/her or its duties. It
also provides that all third persons shall look solely to the Fund property for
satisfaction of claims arising in connection with the affairs of the Fund. With
the exceptions stated, the Declaration of Trust provides that a Trustee,
officer, employee or agent is entitled to be indemnified against all liability
in connection with the affairs of the Fund.
 
C. COMPENSATION
 
    The Fund pays each Independent Trustee an annual fee of $800 plus a per
meeting fee of $50 for meetings of the Board of Trustees, the Independent
Trustees or Committees of the Board of Trustees attended by the Trustee (the
Fund pays the Chairman of the Audit Committee an additional annual fee of $750).
If a Board meeting and a meeting of the Independent Trustees or a Committee
meeting, or a meeting of the Independent Trustees and/or more than one Committee
meeting, take place on a single day, the Trustees are paid a single meeting fee
by the Fund. The Fund also reimburses such Trustees for travel and other
out-of-pocket expenses incurred by them in connection with attending such
meetings. Trustees and officers of the Fund who are or have been employed by the
Investment Manager or an affiliated company receive no compensation or expenses
reimbursed from the Fund for their services as Trustee. Effective May 1, 1999
Dr. Johnson serves as Chairman of the Audit Committee.
 
    The following table illustrates the compensation that the Fund paid to its
Independent Trustees for the fiscal year ended December 31, 1998.
 
                               FUND COMPENSATION
 
<TABLE>
<CAPTION>
                                                                   AGGREGATE
                                                                 COMPENSATION
NAME OF INDEPENDENT TRUSTEE                                      FROM THE FUND
- --------------------------------------------------------------  ---------------
<S>                                                             <C>
Michael Bozic.................................................      $1,450
Edwin J. Garn.................................................       1,600
Wayne E. Hedien...............................................       1,550
Dr. Manuel H. Johnson.........................................       1,550
Michael E. Nugent.............................................       1,600
John L. Schroeder.............................................       1,600
</TABLE>
 
    The following table illustrates the compensation paid to the Fund's
Independent Trustees for the calendar year ended December 31, 1998 for services
to the 85 Morgan Stanley Dean Witter Funds and, in the case of Messrs. Johnson,
Nugent and Schroeder, the 11 TCW/DW Funds that were in operation at December 31,
1998. Effective May 1, 1999 Dr. Johnson serves as Chairman of the Audit
Committee of each Morgan Stanley Dean Witter Fund and each TCW/DW Fund. With
respect to Messrs. Johnson, Nugent and Schroeder, the TCW/DW Funds are included
solely because of a limited exchange privilege
 
                                       19
<PAGE>
between those Funds and five Morgan Stanley Dean Witter Money Market Funds. No
compensation was paid to the Fund's Independent Trustees by Discover Brokerage
Index Series for the calendar year ended December 31, 1998
 
    CASH COMPENSATION FROM MORGAN STANLEY DEAN WITTER FUNDS AND TCW/DW FUNDS
 
<TABLE>
<CAPTION>
                                                                    TOTAL CASH
                                                                   COMPENSATION
                               FOR SERVICE                         FOR SERVICES
                              AS DIRECTOR OR                            TO
                               TRUSTEE AND                           85 MORGAN
                             COMMITTEE MEMBER    FOR SERVICE AS       STANLEY
                               OF 85 MORGAN       TRUSTEE AND       DEAN WITTER
                                 STANLEY        COMMITTEE MEMBER     FUNDS AND
NAME OF                        DEAN WITTER        OF 11 TCW/DW       11 TCW/DW
INDEPENDENT TRUSTEE               FUNDS              FUNDS             FUNDS
- ---------------------------  ----------------   ----------------   -------------
<S>                          <C>                <C>                <C>
Michael Bozic..............      $120,150           --               $120,150
Edwin J. Garn..............       132,450           --                132,450
Wayne E. Hedien............       132,350           --                132,350
Dr. Manuel H. Johnson......       128,400            62,331           190,731
Michael E. Nugent..........       132,450            62,131           194,581
John L. Schroeder..........       132,450            64,731           197,181
</TABLE>
 
    As of the date of this STATEMENT OF ADDITIONAL INFORMATION, 55 of the Morgan
Stanley Dean Witter Funds, including the Fund, have adopted a retirement program
under which an Independent Trustee who retires after serving for at least five
years (or such lesser period as may be determined by the Board) as an
Independent Director or Trustee of any Morgan Stanley Dean Witter Fund that has
adopted the retirement program (each such Fund referred to as an "Adopting Fund"
and each such Trustee referred to as an "Eligible Trustee") is entitled to
retirement payments upon reaching the eligible retirement age (normally, after
attaining age 72). Annual payments are based upon length of service.
 
    Currently, upon retirement, each Eligible Trustee is entitled to receive
from the Adopting Fund, commencing as of his or her retirement date and
continuing for the remainder of his or her life, an annual retirement benefit
(the "Regular Benefit") equal to 30.22% of his or her Eligible Compensation plus
0.5036667% of such Eligible Compensation for each full month of service as an
Independent Director or Trustee of any Adopting Fund in excess of five years up
to a maximum of 60.44% after ten years of service. The foregoing percentages may
be changed by the Board.(1) "Eligible Compensation" is one-fifth of the total
compensation earned by such Eligible Trustee for service to the Adopting Fund in
the five year period prior to the date of the Eligible Trustee's retirement.
Benefits under the retirement program are not secured or funded by the Adopting
Funds.
 
    The following table illustrates the retirement benefits accrued to the
Fund's Independent Trustees by the Fund for the year fiscal ended December 31,
1998 and by the 55 Morgan Stanley Dean Witter Funds (including the Fund) for the
year ended December 31, 1998, and the estimated retirement benefits for the
Independent Trustees, to commence upon their retirement, from the Fund as of
December 31, 1998 and from the 55 Morgan Stanley Dean Witter Funds as of
December 31, 1998.
 
- ------------------------
1    An Eligible Trustee may elect alternative payments of his or her retirement
     benefits based upon the combined life expectancy of the Eligible Trustee
     and his or her spouse on the date of such Eligible Trustee's retirement. In
     addition, the Eligible Trustee may elect that the surviving spouse's
     periodic payment of benefits will be equal to a lower percentage of the
     periodic amount when both spouses were alive. The amount estimated to be
     payable under this method, through the remainder of the later of the lives
     of the Eligible Trustee and spouse, will be the actuarial equivalent of the
     Regular Benefit.
 
                                       20
<PAGE>
   RETIREMENT BENEFITS FROM THE FUND AND ALL MORGAN STANLEY DEAN WITTER FUNDS
 
<TABLE>
<CAPTION>
                                          FOR ALL ADOPTING FUNDS          RETIREMENT BENEFITS       ESTIMATED ANNUAL
                                     ---------------------------------    ACCRUED AS EXPENSES           BENEFITS
                                        ESTIMATED                                                  UPON RETIREMENT(2)
                                     CREDITED YEARS       ESTIMATED      ---------------------     -------------------
                                      OF SERVICE AT     PERCENTAGE OF                BY ALL          FROM     FROM ALL
                                       RETIREMENT         ELIGIBLE       BY THE     ADOPTING         THE      ADOPTING
NAME OF INDEPENDENT TRUSTEE           (MAXIMUM 10)      COMPENSATION      FUND       FUNDS           FUND      FUNDS
- -----------------------------------  ---------------   ---------------   ------   ------------     --------   --------
<S>                                  <C>               <C>               <C>      <C>              <C>        <C>
Michael Bozic......................          10             60.44        $ 396    $     22,377      $   997   $ 52,250
Edwin J. Garn......................          10             60.44          599          35,225          997     52,250
Wayne E. Hedien....................           9             51.37          740          41,979          848     44,413
Dr. Manuel H. Johnson..............          10             60.44          240          14,047          997     52,250
Michael E. Nugent..................          10             60.44          421          25,336          997     52,250
John L. Schroeder..................           8             50.37          807          45,117          838     44,343
</TABLE>
 
- ------------------------
2    Based on current levels of compensation. Amount of annual benefits also
     varies depending on the Trustee's elections described in Footnote (1)
     above.
 
IV. CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES
- --------------------------------------------------------------------------------
 
    [The following owned 5% or more...]
 
    As of the date of this STATEMENT OF ADDITIONAL INFORMATION, the aggregate
number of shares of beneficial interest of the Fund owned by the Fund's officers
and Trustees as a group was less than 1% of the Fund's shares of beneficial
interest outstanding.
 
V. INVESTMENT MANAGEMENT AND OTHER SERVICES
- --------------------------------------------------------------------------------
 
A. INVESTMENT MANAGER
 
    The Investment Manager to the Fund is Morgan Stanley Dean Witter Advisors
Inc., a Delaware corporation, whose address is Two World Trade Center, New York,
New York 10048. The Investment Manager is a wholly-owned subsidiary of MSDW, a
Delaware corporation. MSDW is a preeminent global financial services firm that
maintains leading market positions in each of its three primary businesses:
securities, asset management and credit services.
 
    Pursuant to an Investment Management Agreement (the "Management Agreement")
with the Investment Manager, the Fund has retained the Investment Manager to
provide administrative services and manage the investment of the Fund's assets,
including the placing of orders for the purchase and sale of portfolio
securities. The Fund pays the Investment Manager monthly compensation calculated
daily by applying the following annual rates to the net assets of the Fund,
determined as of the close of business on every business day: 0.50% of the
portion of the daily net assets not exceeding $500 million; 0.425% of the
portion of the daily net assets exceeding $500 million but not exceeding $750
million; 0.375% of the portion of the daily net assets exceeding $750 million
but not exceeding $1 billion; 0.35% of the portion of the daily net assets
exceeding $1 billion but not exceeding $1.5 billion; 0.325% of the portion of
the daily net assets exceeding $1.5 billion but not exceeding $2 billion; 0.30%
of the portion of the daily net assets exceeding $2 billion but not exceeding
$2.5 billion; 0.275% of the portion of the daily net assets exceeding $2.5
billion but not exceeding $3 billion; and 0.25% of the portion of the daily net
assets exceeding $3 billion.
 
    For the fiscal years ended December 31, 1996, 1997 and 1998, the Investment
Manager accrued total compensation under the Management Agreement in the amounts
of $212,463, $221,429 and $308,510, respectively.
 
    The Investment Manager has retained its wholly-owned subsidiary, MSDW
Services Company, to perform administrative services for the Fund.
 
                                       21
<PAGE>
B. PRINCIPAL UNDERWRITER
 
    The Fund's principal underwriter is the Distributor (which has the same
address as the Investment Manager). In this capacity, the Fund's shares are
distributed by the Distributor. The Distributor has entered into a selected
dealer agreement with Dean Witter Reynolds, which through its own sales
organization sells shares of the Fund. In addition, the Distributor may enter
into similar agreements with other selected broker-dealers. The Distributor, a
Delaware corporation, is a wholly-owned subsidiary of MSDW.
 
    The Distributor bears all expenses it may incur in providing services under
the Distribution Agreement. The Distributor also pays certain expenses in
connection with the distribution of the Fund's shares, including the costs of
preparing, printing and distributing advertising or promotional materials, and
the costs of printing and distributing prospectuses and supplements thereto used
in connection with the offering and sale of the Fund's shares. The Fund bears
the costs of initial typesetting, printing and distribution of prospectuses and
supplements thereto to shareholders. The Fund also bears the costs of
registering the Fund and its shares under federal and state securities laws and
pays filing fees in accordance with state securities laws.
 
    The Fund and the Distributor have agreed to indemnify each other against
certain liabilities, including liabilities under the Securities Act. Under the
Distribution Agreement, the Distributor uses its best efforts in rendering
services to the Fund, but in the absence of willful misfeasance, bad faith,
gross negligence or reckless disregard of its obligations, the Distributor is
not liable to the Fund or any of its shareholders for any error of judgment or
mistake of law or for any act or omission or for any losses sustained by the
Fund or its shareholders.
 
C. SERVICES PROVIDED BY THE INVESTMENT MANAGER AND FUND EXPENSES PAID BY THIRD
PARTIES
 
    The Investment Manager manages the investment of the Fund's assets,
including the placing of orders for the purchase and sale of portfolio
securities. The Investment Manager obtains and evaluates the information and
advice relating to the economy, securities markets, and specific securities as
it considers necessary or useful to continuously manage the assets of the Fund
in a manner consistent with its investment objective.
 
    Under the terms of the Management Agreement, in addition to managing the
Fund's investments, the Investment Manager maintains certain of the Fund's books
and records and furnishes, at its own expense, the office space, facilities,
equipment, clerical help, bookkeeping and certain legal services as the Fund may
reasonably require in the conduct of its business, including the preparation of
prospectuses, proxy statements and reports required to be filed with federal and
state securities commissions (except insofar as the participation or assistance
of independent accountants and attorneys is, in the opinion of the Investment
Manager, necessary or desirable). In addition, the Investment Manager pays the
salaries of all personnel, including officers of the Fund, who are employees of
the Investment Manager. The Investment Manager also bears the cost of telephone
service, heat, light, power and other utilities provided to the Fund.
 
    Expenses not expressly assumed by the Investment Manager under the
Management Agreement or by the Distributor, will be paid by the Fund. These
expenses include, but are not limited to: expenses of the Plan of Distribution
pursuant to Rule 12b-1; charges and expenses of any registrar, custodian, stock
transfer and dividend disbursing agent; brokerage commissions; taxes; engraving
and printing share certificates; registration costs of the Fund and its shares
under federal and state securities laws; the cost and expense of printing,
including typesetting, and distributing prospectuses of the Fund and supplements
thereto to the Fund's shareholders; all expenses of shareholders' and Trustees'
meetings and of preparing, printing and mailing of proxy statements and reports
to shareholders; fees and travel expenses of Trustees or members of any advisory
board or committee who are not employees of the Investment Manager or any
corporate affiliate of the Investment Manager; all expenses incident to any
dividend, withdrawal or redemption options; charges and expenses of any outside
service used for pricing of the Fund's shares; fees and expenses of legal
counsel, including counsel to the Trustees who are not interested persons of the
Fund or of the Investment Manager (not including compensation or
 
                                       22
<PAGE>
expenses of attorneys who are employees of the Investment Manager); fees and
expenses of the Fund's independent accountants; membership dues of industry
associations; interest on Fund borrowings; postage; insurance premiums on
property or personnel (including officers and Trustees) of the Fund which inure
to its benefit; extraordinary expenses (including, but not limited to, legal
claims and liabilities and litigation costs and any indemnification relating
thereto); and all other costs of the Fund's operation.
 
    The Management Agreement provides that in the absence of willful
misfeasance, bad faith, gross negligence or reckless disregard of its
obligations thereunder, the Investment Manager is not liable to the Fund or any
of its investors for any act or omission by the Investment Manager or for any
losses sustained by the Fund or its investors.
 
    The Management Agreement will remain in effect from year to year, provided
continuance of the Management Agreement is approved at least annually by the
vote of the holders of a majority, as defined in the Investment Company Act, of
the outstanding shares of the Fund, or by the Trustees; provided that in either
event such continuance is approved annually by the vote of a majority of the
Trustees.
 
D. RULE 12b-1 PLAN
 
    In accordance with a Plan of Distribution pursuant to Rule 12b-1 under the
Investment Company Act between the Fund and the Distributor, the Distributor
provides certain services in connection with the promotion of sales of Fund
shares (the "Plan").
 
    The Plan provides that the Distributor bears the expense of all promotional
and distribution related activities on behalf of the Fund, except for expenses
that the Trustees determine to reimburse, as described below. The following
activities and services may be provided by the Distributor under the Plan: (1)
compensation to and expenses of Dean Witter Reynolds' and other selected
Broker-Dealers' Financial Advisors and other employees, including overhead and
telephone expenses; (2) sales incentives and bonuses to sales representatives
and to marketing personnel in connection with promoting sales of the Fund's
shares; (3) expenses incurred in connection with promoting sales of the Fund's
shares; (4) preparing and distributing sales literature; and (5) providing
advertising and promotional activities, including direct mail solicitation and
television, radio, newspaper, magazine and other media advertisements.
 
    Dean Witter Reynolds Financial Advisors are paid an annual residual
commission, currently a residual of up to 0.10% of the current value of the
respective accounts for which they are the Financial Advisors of record. The
residual is a charge which reflects residual commissions paid by Dean Witter
Reynolds to its Financial Advisors and Dean Witter Reynolds' expenses associated
with the servicing of shareholders' accounts, including the expenses of
operating Dean Witter Reynolds' branch offices in connection with the servicing
of shareholders' accounts, which expenses include lease costs, the salaries and
employee benefits of operations and sales support personnel, utility costs,
communications costs and the costs of stationery and supplies and other expenses
relating to branch office serving of shareholder accounts.
 
    The Fund is authorized to reimburse specific expenses incurred or to be
incurred in promoting the distribution of the Fund's shares. Reimbursement is
made through payments at the end of each month. The amount of each monthly
payment may in no event exceed an amount equal to a payment at the annual rate
of 0.15 of 1% of the Fund's average daily net assets during the month. No
interest or other financing charges will be incurred for which reimbursement
payments under the Plan will be made. In addition, no interest charges, if any,
incurred on any distribution expense incurred by the Distributor or other
selected dealers pursuant to the Plan, will be reimbursable under the Plan. In
the case of all expenses other than expenses representing a residual to
Financial Advisors, such amounts shall be determined at the beginning of each
calendar quarter by the Trustees, including a majority of the Independent 12b-1
Trustees. Expenses representing a residual to Financial Advisors may be
reimbursed without prior determination. In the event that the Distributor
proposes that monies shall be reimbursed
 
                                       23
<PAGE>
for other than such expenses, then in making quarterly determinations of the
amounts that may be expended by the Fund, the Investment Manager provides and
the Trustees review a quarterly budget of projected incremental distribution
expenses to be incurred on behalf of the Fund, together with a report explaining
the purposes and anticipated benefits of incurring such expenses. The Trustees
determine which particular expenses, and the portions thereof, that may be borne
by the Fund, and in making such a determination shall consider the scope of the
Distributor's commitment to promoting the distribution of the Fund's shares.
 
    The Fund reimbursed $59,613 to the Distributor pursuant to the Plan which
amounted to 0.10 of 1% of the Fund's average daily net assets for the fiscal
year ended December 31, 1998. Based upon the total amounts spent by the
Distributor during the period, it is estimated that the amount paid by the Fund
to the Distributor for distribution was spent in approximately the following
ways: (i) advertising--$0; (ii) printing and mailing PROSPECTUSES to other than
current shareholders--$0; (iii) compensation to underwriters--$0; (iv)
compensation to dealers--$0; (v) compensation to sales personnel--$0; and (vi)
other, which accrued for expenses relating to compensation of sales personnel
and other miscellaneous expenses--$59,613. No payments under the Plan were made
for overhead, interest, carrying or other financing charges.
 
    Under the Plan, the Distributor uses its best efforts in rendering services
to the Fund, but in the absence of willful misfeasance, bad faith, gross
negligence or reckless disregard of its obligations, the Distributor is not
liable to the Fund or any of its shareholders for any error of judgment or
mistake of law or for any act or omission or for any losses sustained by the
Fund or its shareholders.
 
    Under the Plan, the Distributor provides the Fund, for review by the
Trustees, and the Trustees review, promptly after the end of each calendar
quarter, a written report regarding the incremental distribution expenses
incurred on behalf of the Fund during such calendar quarter, which report
includes (1) an itemization of the types of expenses and the purposes therefore;
(2) the amounts of such expenses; and (3) a description of the benefits derived
by the Fund. In the Trustees' quarterly review of the Plan they consider its
continued appropriateness and the level of compensation provided therein.
 
    No interested person of the Fund nor any Independent Trustee has any direct
financial interest in the operation of the Plan except to the extent that the
Distributor, the Investment Manager, Dean Witter Reynolds, MSDW Services Company
or certain of their employees may be deemed to have such an interest as a result
of benefits derived from the successful operation of the Plan or as a result of
receiving a portion of the amounts expended thereunder by the Fund.
 
    On an annual basis, the Trustees, including a majority of the Independent
Trustees, consider whether the Plan should be continued. Prior to approving the
last continuation of the Plan, the Trustees requested and received from the
Distributor and reviewed all the information which they deemed necessary to
arrive at an informed determination. In making their determination to continue
the Plan, the Trustees considered: (1) the Fund's experience under the Plan and
whether such experience indicates that the Plan is operating as anticipated; (2)
the benefits the Fund had obtained, was obtaining and would be likely to obtain
under the Plan, including that: (a) the Plan is essential in order to implement
the Fund's method and to enable the Fund to continue to grow and avoid a pattern
of net redemptions which, in turn, are essential for effective investment
management; and (b) without the reimbursement of distribution and account
maintenance expenses of Dean Witter Reynolds's branch offices made possible by
the 12b-1 fees, Dean Witter Reynolds could not establish and maintain an
effective system for distribution, servicing of Fund shareholders and
maintenance of shareholder accounts; and (3) what services had been provided and
were continuing to be provided under the Plan to the Fund and its shareholders.
Based upon their review, the Trustees, including each of the Independent
Trustees, determined that continuation of the Plan would be in the best interest
of the Fund and would have a reasonable likelihood of continuing to benefit the
Fund and its shareholders. In the Trustees' quarterly review of the Plan, they
will consider its continued appropriateness and the level of compensation
provided therein.
 
                                       24
<PAGE>
    The Plan may not be amended to increase materially the amount to be spent
for the services described therein without approval by the shareholders of the
Fund, and all material amendments to the Plan must also be approved by the
Trustees in the manner described above. The Plan may be terminated at any time,
without payment of any penalty, by vote of a majority of the Independent
Trustees or by a vote of a majority of the outstanding voting securities of the
Fund (as defined in the Investment Company Act) on not more than thirty days'
written notice to any other party to the Plan. So long as the Plan is in effect,
the election and nomination of Independent Trustees shall be committed to the
discretion of the Independent Trustees.
 
E. OTHER SERVICE PROVIDERS
 
(1) TRANSFER AGENT/DIVIDEND-PAYING AGENT
 
    Morgan Stanley Dean Witter Trust FSB is the Transfer Agent for the Fund's
shares and the Dividend Disbursing Agent for payment of dividends and
distributions on Fund shares and Agent for shareholders under various investment
plans. The principal business address of the Transfer Agent is Harborside
Financial Center, Plaza Two, Jersey City, New Jersey 07311.
 
(2) CUSTODIAN AND INDEPENDENT ACCOUNTANTS
 
    The Bank of New York, 90 Washington Street, New York, New York 10286 is the
Custodian for the Fund's assets. Any of the Fund's cash balances with the
Custodian in excess of $100,000 are unprotected by federal deposit insurance.
These balances may, at times, be substantial.
 
    PricewaterhouseCoopers LLP, 1177 Avenue of the Americas, New York, New York
10036 serves as the independent accountants of the Fund. The independent
accountants are responsible for auditing the annual financial statements of the
Fund.
 
(3) AFFILIATED PERSONS
 
    The Transfer Agent is an affiliate of the Investment Manager, and of the
Distributor. As Transfer Agent and Dividend Disbursing Agent, the Transfer
Agent's responsibilities include maintaining shareholder accounts, disbursing
cash dividends and reinvesting dividends, processing account registration
changes, handling purchase and redemption transactions, mailing prospectuses and
reports, mailing and tabulating proxies, processing share certificate
transactions, and maintaining shareholder records and lists. For these services,
the Transfer Agent receives a per shareholder account fee from the Fund.
 
VI. BROKERAGE ALLOCATION AND OTHER PRACTICES
- --------------------------------------------------------------------------------
 
A. BROKERAGE TRANSACTIONS
 
    Subject to the general supervision of the Trustees, the Investment Manager
is responsible for decisions to buy and sell securities for the Fund, the
selection of brokers and dealers to effect the transactions, and the negotiation
of brokerage commissions, if any. The Fund expects that the primary market for
the securities in which it intends to invest will generally be the
over-the-counter market. Securities are generally traded in the over-the-counter
market on a "net" basis with dealers acting as principal for their own accounts
without a stated commission, although the price of the security usually includes
a profit to the dealer. The Fund also expects that securities will be purchased
at times in underwritten offerings where the price includes a fixed amount of
compensation, generally referred to as the underwriter's concession or discount.
On occasion the Fund may also purchase certain money market instruments directly
from an issuer, in which case no commissions or discounts are paid.
 
    During the fiscal years ended December 31, 1996, 1997 and 1998, the Fund
paid no such brokerage commissions or concessions.
 
B. COMMISSIONS
 
    Pursuant to an order of the SEC, the Fund may effect principal transactions
in certain money market instruments with Dean Witter Reynolds. The Fund will
limit its transactions with Dean Witter Reynolds to U.S. Government and
Government Agency Securities, Bank Money Instruments (i.e. Certificates of
 
                                       25
<PAGE>
Deposit and Bankers' Acceptances) and Commercial Paper (not including Tax-Exempt
Municipal Paper). The transactions will be effected with Dean Witter Reynolds
only when the price available from Dean Witter Reynolds is better than that
available from other dealers.
 
    During the fiscal years ended December 31, 1996, 1997 and 1998, the Fund did
not effect any principal transactions with Dean Witter Reynolds.
 
    Consistent with the policy described above, brokerage transactions in
securities listed on exchanges or admitted to unlisted trading privileges may be
effected through Dean Witter Reynolds, Morgan Stanley & Co. and other affiliated
brokers and dealers. In order for an affiliated broker or dealer to effect any
portfolio transactions on an exchange for the Fund, the commissions, fees or
other remuneration received by the affiliated broker or dealer must be
reasonable and fair compared to the commissions, fees or other remuneration paid
to other brokers in connection with comparable transactions involving similar
securities being purchased or sold on an exchange during a comparable period of
time. This standard would allow the affiliated broker or dealer to receive no
more than the remuneration which would be expected to be received by an
unaffiliated broker in a commensurate arm's-length transaction. Furthermore, the
Trustees, including the Independent Trustees, have adopted procedures which are
reasonably designed to provide that any commissions, fees or other remuneration
paid to an affiliated broker or dealer are consistent with the foregoing
standard. The Fund does not reduce the management fee it pays to the Investment
Manager by any amount of the brokerage commissions it may pay to an affiliated
broker or dealer.
 
    During the fiscal years ended December 31, 1996, 1997 and 1998, the Fund
paid no brokerage commissions to an affiliated broker or dealer.
 
C. BROKERAGE SELECTION
 
    The policy of the Fund regarding purchases and sales of securities for its
portfolio is that primary consideration will be given to obtaining the most
favorable prices and efficient executions of transactions.
 
    In seeking to implement the Fund's policies, the Investment Manager effects
transactions with those brokers and dealers who the Investment Manager believes
provide the most favorable prices and are capable of providing efficient
executions. If the Investment Manager believes the prices and executions are
obtainable from more than one broker or dealer, it may give consideration to
placing portfolio transactions with those brokers and dealers who also furnish
research and other services to the Fund or the Investment Manager. The services
may include, but are not limited to, any one or more of the following:
information as to the availability of securities for purchase or sale;
statistical or factual information or opinions pertaining to investment; wire
services; and appraisals or evaluations of portfolio securities.
 
    The information and services received by the Investment Manager from brokers
and dealers may be of benefit to the Investment Manager in the management of
accounts of some of its other clients and may not in all cases benefit the Fund
directly. While the receipt of such information and services is useful in
varying degrees and would generally reduce the amount of research or services
otherwise performed by the Investment Manager and thereby reduce its expenses,
it is of indeterminable value and the Fund does not reduce the management fee it
pays to the Investment Manager by any amount that may be attributable to the
value of such services.
 
    Subject to the principle of obtaining best price and execution, the
Investment Manager may consider a broker-dealer's sales of shares of the Fund as
a factor in selecting from among those broker-dealers qualified to provide
comparable prices and execution on the Fund's portfolio transactions. The Fund
does not, however, require a broker-dealer to sell shares of the Fund in order
for it to be considered to execute portfolio transactions, and will not enter
into any arrangement whereby a specific amount or percentage of the Fund's
transactions will be directed to a broker which sells shares of the Fund to
customers. The Trustees review, periodically, the allocation of brokerage orders
to monitor the operation of these policies.
 
                                       26
<PAGE>
    The Investment Manager currently serves as investment manager to a number of
clients, including other investment companies, and may in the future act as
investment manager or advisor to others. It is the practice of the Investment
Manager to cause purchase and sale transactions to be allocated among the Fund
and others whose assets it manages in such manner as it deems equitable. In
making such allocations among the Fund and other client accounts, various
factors may be considered, including the respective investment objectives, the
relative size of portfolio holdings of the same or comparable securities, the
availability of cash for investment, the size of investment commitments
generally held and the opinions of the persons responsible for managing the
portfolios of the Fund and other client accounts. In the case of certain initial
and secondary public offerings, the Investment Manager utilizes a pro rata
allocation process based on the size of the Morgan Stanley Dean Witter Funds
involved and the number of shares available from the public offering.
 
D. DIRECTED BROKERAGE
 
    During the fiscal year ended December 31, 1998, the Fund did not pay any
brokerage commissions to brokers because of research services provided.
 
E. REGULAR BROKER-DEALERS
 
    During the fiscal year ended December 31, 1998, the Fund did not purchase
securities issued by brokers or dealers that were among the ten brokers or the
ten dealers which executed transactions for or with the Fund in the largest
dollar amounts during the year. At December 31, 1998, the Fund did not own any
securities issued by any of such issuers.
 
VII. CAPITAL STOCK AND OTHER SECURITIES
- --------------------------------------------------------------------------------
 
    The shareholders of the Fund are entitled to a full vote for each full share
of beneficial interest held. The Fund is authorized to issue an unlimited number
of shares of beneficial interest. All shares of beneficial interest of the Fund
are of $0.01 par value and are equal as to earnings, assets and voting
privileges.
 
    The Fund's Declaration of Trust permits the Trustees to authorize the
creation of additional series of shares (the proceeds of which would be invested
in separate, independently managed portfolios) and additional Classes of shares
within any series. The Trustees have not presently authorized any such
additional series or Classes of shares other than as set forth in the
PROSPECTUS.
 
    The Fund is not required to hold annual meetings of shareholders and in
ordinary circumstances the Fund does not intend to hold such meetings. The
Trustees may call special meetings of shareholders for action by shareholder
vote as may be required by the Investment Company Act or the Declaration of
Trust. Under certain circumstances, the Trustees may be removed by action of the
Trustees or by the shareholders.
 
    Under Massachusetts law, shareholders of a business trust may, under certain
limited circumstances, be held personally liable as partners for the obligations
of the Fund. However, the Declaration of Trust contains an express disclaimer of
shareholder liability for acts or obligations of the Fund, requires that notice
of such Fund obligations include such disclaimer, and provides for
indemnification out of the Fund's property for any shareholder held personally
liable for the obligations of the Fund. Thus, the risk of a shareholder
incurring financial loss on account of shareholder liability is limited to
circumstances in which the Fund itself would be unable to meet its obligations.
Given the above limitations on shareholder personal liability, and the nature of
the Fund's assets and operations, the possibility of the Fund being unable to
meet its obligations is remote and thus, in the opinion of Massachusetts counsel
to the Fund, the risk to Fund shareholders of personal liability is remote.
 
    All of the Trustees have been elected by the shareholders of the Fund, most
recently at a Special Meeting of Shareholders held on May 21, 1997. The Trustees
themselves have the power to alter the number and the terms of office of the
Trustees (as provided for in the Declaration of Trust), and they may
 
                                       27
<PAGE>
at any time lengthen or shorten their own terms or make their terms of unlimited
duration and appoint their own successors, provided that always at least a
majority of the Trustees has been elected by the shareholders of the Fund.
 
VIII. PURCHASE, REDEMPTION AND PRICING OF SHARES
- --------------------------------------------------------------------------------
 
A. PURCHASE/REDEMPTION OF SHARES
 
    Information concerning how Fund shares are offered to the public (and how
they are redeemed and exchanged) is provided in the Fund's PROSPECTUS.
 
    TRANSFER AGENT AS AGENT.  With respect to the redemption or repurchase of
Fund shares, the application of proceeds to the purchase of new shares in the
Fund or any other Morgan Stanley Dean Witter Funds and the general
administration of the exchange privilege, the Transfer Agent acts as agent for
the Distributor and for the shareholder's authorized broker-dealer, if any, in
the performance of such functions. With respect to exchanges, redemptions or
repurchases, the Transfer Agent shall be liable for its own negligence and not
for the default or negligence of its correspondents or for losses in transit.
The Fund shall not be liable for any default or negligence of the Transfer
Agent, the Distributor or any authorized broker-dealer.
 
    The Distributor and any authorized broker-dealer have appointed the Transfer
Agent to act as their agent in connection with the application of proceeds of
any redemption of Fund shares to the purchase of shares of any other Morgan
Stanley Dean Witter Fund and the general administration of the exchange
privilege. No commission or discounts will be paid to the Distributor or any
authorized broker-dealer for any transaction pursuant to the exchange privilege.
 
    REDEMPTIONS.  A check drawn by a shareholder against his or her account in
the Fund constitutes a request for redemption of a number of shares sufficient
to provide proceeds equal to the amount of the check. Payment of the proceeds
will normally be made on the next business day after receipt by the Transfer
Agent of the check in proper form. If a check is presented for payment to the
Transfer Agent by a shareholder or payee in person, the Transfer Agent will make
payment by means of a check drawn on the Fund's account or, in the case of a
shareholder payee, to the shareholder's predesignated bank account, but will not
make payment in cash.
 
B. OFFERING PRICE
 
    The price of Fund shares, called "net asset value," is based on the value of
the Fund's portfolio securities.
 
    The Fund utilizes the amortized cost method in valuing its portfolio
securities for purposes of determining the net asset value of its shares. The
Fund utilizes the amortized cost method in valuing its portfolio securities even
though the portfolio securities may increase or decrease in market value,
generally in connection with changes in interest rates. The amortized cost
method of valuation involves valuing a security at its cost at the time of
purchase adjusted by a constant amortization to maturity of any discount or
premium, regardless of the impact of fluctuating interest rates on the market
value of the instrument. While this method provides certainty in valuation, it
may result in periods during which value, as determined by amortized cost, is
higher or lower than the price the Fund would receive if it sold the investment.
During such periods, the yield to investors in the Fund may differ somewhat from
that obtained in a similar company which uses market-to-market values for all of
its portfolio securities. For example, if the use of amortized cost resulted in
a lower (higher) aggregate portfolio value on a particular day, a prospective
investor in the Fund would be able to obtain a somewhat higher (lower) yield
than would result from investment in such a similar company and existing
investors would receive less (more) investment income. The purpose of this
method of calculation is to facilitate the maintenance of a constant net asset
value per share of $1.00.
 
    The use of the amortized cost method to value the portfolio securities of
the Fund and the maintenance of the per share net asset value of $1.00 is
permitted pursuant to Rule 2a-7 of the Act (the "Rule") and is conditioned on
its compliance with various conditions contained in the Rule including: (a) the
 
                                       28
<PAGE>
Trustees are obligated, as a particular responsibility within the overall duty
of care owed to the Fund's shareholders, to establish procedures reasonably
designed, taking into account current market conditions and the Fund's
investment objectives, to stabilize the net asset value per share as computed
for the purpose of distribution and redemption at $1.00 per share; (b) the
procedures include (i) calculation, at such intervals as the Trustees determine
are appropriate and as are reasonable in light of current market conditions, of
the deviation, if any, between net asset value per share using amortized cost to
value portfolio securities and net asset value per share based upon available
market quotations with respect to such portfolio securities; (ii) periodic
review by the Trustees of the amount of deviation as well as methods used to
calculate it; and (iii) maintenance of written records of the procedures, and
the Trustees' considerations made pursuant to them and any actions taken upon
such consideration; (c) the Trustees should consider what steps should be taken,
if any, in the event of a difference of more than 1/2 of 1% between the two
methods of valuation; and (d) the Trustees should take such action as they deem
appropriate (such as shortening the average portfolio maturity, realizing gains
or losses, withholding dividends or, as provided by the Declaration of Trust,
reducing the number of outstanding shares of the Fund) to eliminate or reduce to
the extent reasonably practicable material dilution or other unfair results to
investors or existing shareholders which might arise from differences between
the two method of valuation.
 
    Generally, for purposes of the procedures adopted under the Rule, the
maturity of a portfolio security is deemed to be the period remaining
(calculated from the trade date or such other date on which the Fund's interest
in the instrument is subject to market action) until the date on which in
accordance with the terms of the security the principal amount must
unconditionally be paid, or in the case of a security called for redemption, the
date on which the redemption payment must be made.
 
    A variable rate security that is subject to a demand feature is deemed to
have a maturity equal to the period remaining until the principal amount can be
recovered through demand. A floating rate security that is subject to a demand
feature is deemed to have a maturity equal to the period remaining until the
principal amount can be recovered through demand.
 
    An "NRSRO" is a nationally recognized statistical rating organization. The
term "Requisite NRSROs" means (i) any two NRSROs that have issued a rating with
respect to a security or class of debt obligations of an issuer, or (ii) if only
one NRSRO has issued a rating with respect to such security or issuer at the
time a fund purchases or rolls over the security, that NRSRO.
 
    An Eligible Security is generally defined in the Rule to mean (i) a rated
security with a remaining maturity of 397 calendar days or less that has
received a rating from the Requisite NRSROs in one of the two highest short-term
rating categories (within which there may be sub-categories or gradations
indicating relative standing); or (ii) An Unrated Security that is of comparable
quality to a security meeting the requirements of (1) above, as determined by
Trustees; (iii) In addition, in the case of a security that is subject to a
Demand Feature or Guarantee: (A) The Guarantee has received a rating from an
NRSRO or the Guarantee is issued by a guarantor that has received a rating from
an NRSRO with respect to a class of debt obligations (or any debt obligation
within that class) that is comparable in priority and security to the Guarantee,
unless: (1) the Guarantee is issued by a person that directly or indirectly,
controls, is controlled by or is under a common control with the issuer of the
security subject to the Guarantee (other than a sponsor or a Special Purpose
Entity with respect to an Asset Backed Security: (2) the security subject to the
Guarantee is a repurchase agreement that is Collateralized Fully; or (3) the
Guarantee itself is a Government Security and (B) the issuer of the Demand
Feature, or another institution, has undertaken promptly to notify the holder of
the security in the event the Demand Feature or Guarantee is substituted with
another Demand Feature or Guarantee (if such substitution is permissible under
the terms of the Demand Feature or Guarantee). The Fund will limit its
investments to securities that meet the requirements for Eligible Securities.
 
    As permitted by the Rule, the Trustees have delegated to the Fund's
Investment Manager the authority to determine which securities present minimal
credit risks and which unrated securities are comparable in quality to rated
securities.
 
                                       29
<PAGE>
    Also, as required by the Rule, the Fund will limit its investments in
securities, other than Government securities, so that, at the time of purchase:
(a) except as further limited in (b) below with regard to certain securities,
with respect to 75% of its total assets, no more than 5% of its total assets
will be invested in the securities of any one issuer; and (b) with respect to
Eligible Securities that have received a rating in less than the highest
category by any one of the NRSROs whose ratings are used to qualify the security
as an Eligible Security, or that have been determined to be of comparable
quality: (i) no more than 5% in the aggregate of the Fund's total assets in all
such securities, and (ii) no more than the greater of 1% of total assets, or $1
million, in the securities on any one issuer.
 
    The presence of a line of credit or other credit facility offered by a bank
or other financial institution which guarantees the payment obligation of the
issuer, in the event of a default in the payment of principal or interest of an
obligation, may be taken into account in determining whether an investment is an
Eligible Security, provided that the guarantee itself is an Eligible Security.
 
    The Rule further requires that the Fund limit its investments to U.S.
dollar-denominated instruments which the Trustees determine present minimal
credit risks and which are Eligible Securities. The Rule also requires the Fund
to maintain a dollar-weighted average portfolio maturity (not more than 90 days)
appropriate to its objective of maintaining a stable net asset value of $1.00
per share and precludes the purchase of any instrument with a remaining maturity
of more than 397 days. Should the disposition of a portfolio security result in
a dollar-weighted average portfolio maturity of more than 90 days, the Fund will
invest its available cash in such a manner as to reduce such maturity to 90 days
or less a soon as is reasonably practicable.
 
    If the Trustees determine that it is no longer in the best interests of the
Fund and its shareholders to maintain a stable price of $1 per share or if the
Trustees believe that maintaining such price no longer reflects a market-based
net asset value per share, the Trustees have the right to change from an
amortized cost basis of valuation to valuation based on market quotations. The
Fund will notify shareholders of the Fund of any such change.
 
IX. TAXATION OF THE FUND AND SHAREHOLDERS
- --------------------------------------------------------------------------------
 
    The Fund generally will make three basic types of distributions: tax exempt
dividends, ordinary dividends and long-term capital gain distributions. These
types of distributions are reported differently on a shareholder's income tax
return and they are also subject to different rates of tax. The tax treatment of
the investment activities of the Fund will affect the amount and timing and
character of the distributions made by the Fund. Shareholders are urged to
consult their own tax professionals regarding specific questions as to federal,
state or local taxes.
 
    INVESTMENT COMPANY TAXATION.  The Fund intends to remain qualified as a
regulated investment company under Subchapter M of the Internal Revenue Code of
1986. As such, the Fund will not be subject to federal income tax on its net
investment income and capital gains, if any, to the extent that it distributes
such income and capital gains to its shareholders.
 
    The Fund generally intends to distribute sufficient income and gains so that
the Fund will not pay corporate income tax on its earnings. The Fund also
generally intends to distribute to its shareholders in each calendar year a
sufficient amount of ordinary income and capital gains to avoid the imposition
of a 4% excise tax. However, the Fund may instead determine to retain all or
part of any ordinary income or capital gains in any year for reinvestment. In
such event, the Fund will pay federal income tax (and possibly excise tax) on
such retained gains.
 
    Gains or losses on sales of securities by the Fund will be long-term capital
gains or losses if the securities have a tax holding period of more than one
year. Gains or losses on the sale of securities with a tax holding period of one
year or less will be short-term gains or losses.
 
    In computing net investment income, the Fund will amortize any premiums and
original issue discounts on securities owned, if applicable. Capital gains or
losses realized upon sale or maturity of such securities will be based on their
amortized cost.
 
                                       30
<PAGE>
    All or a portion of any of the Fund's gain from tax-exempt obligations
purchased at a market discount may be treated as ordinary income rather than
capital gain.
 
    From time to time, proposals have been introduced before Congress for the
purpose of restricting or eliminating the federal income tax exemption for
interest on municipal securities. Similar proposals may be introduced in the
future. If such a proposal were enacted, the availability of municipal
securities for investment by the Fund could be affected. In that event, the Fund
would re-evaluate its investment objective and policies.
 
    TAXATION OF DIVIDENDS AND DISTRIBUTIONS.  The Fund intends to qualify to pay
"exempt-interest dividends" to its shareholders by maintaining, as of the close
of each of its taxable years, at least 50% of the value of its assets in
tax-exempt securities. An exempt-interest dividend is that part of the dividend
distributions made by the Fund which consists of interest received by the Fund
on tax-exempt securities upon which the shareholder incurs no federal income
taxes. Exempt-interest dividends are included, however, in determining what
portion, if any, of a person's Social Security benefits are subject to federal
income tax.
 
    The Fund intends to invest a portion of its assets in certain "private
activity bonds". As a result, a portion of the exempt-interest dividends paid by
the Fund will be an item of tax preference to shareholders subject to the
alternative minimum tax. Certain corporations which are subject to the
alternative minimum tax may also have to include exempt-interest dividends in
calculating their alternative minimum taxable income in situations where the
"adjusted current earnings" of the corporation exceeds its alternative minimum
taxable income.
 
    Shareholders will be subject to federal income tax on dividends paid from
interest income derived from taxable securities and on distributions of net
short-term capital gains. Such dividends and distributions are taxable to the
shareholder as ordinary dividend income regardless of whether the shareholder
receives such distributions in additional shares or in cash. Distributions of
long-term capital gains, if any, are taxable as long-term capital gains,
regardless of how long the shareholder has held the Fund shares and regardless
of whether the distribution is received in additional shares or in cash. Since
the Fund's income is expected to be derived entirely from interest rather than
dividends, it is anticipated that no portion of such dividend distributions will
be eligible for the federal dividends received deduction available to
corporations.
 
    Shareholders are generally taxed on any ordinary dividend or capital gain
distributions from the Fund in the year they are actually distributed. However,
if any such dividends or distributions are declared in October, November or
December and paid in January then such amounts will be treated for tax purposes
as received by the shareholders on December 31, to shareholders of record of
such month.
 
    Shareholders who are not citizens or residents of the United States and
certain foreign entities may be subject to withholding of United States tax on
distributions made by the Fund of any taxable interest income and short term
capital gains.
 
    After the end of each calendar year, shareholders will be sent full
information on their dividends and capital gain distributions for tax purposes,
including the portion taxable as ordinary income, the portion taxable as
long-term capital gains and the percentage of any distributions which constitute
an item of tax preference for purposes of the alternative minimum tax.
 
    PURCHASES AND REDEMPTIONS AND EXCHANGES OF FUND SHARES.  Any dividend or
capital gains distribution received by a shareholder from the Fund will have the
effect of reducing the net asset value of the shareholder's stock in the Fund by
the exact amount of the dividend or capital gains distribution. Furthermore,
capital gains distributions and some portion of the dividends may be subject to
federal income taxes. If the net asset value of the shares should be reduced
below a shareholder's cost as a result of the payment of dividends or the
distribution of realized long-term capital gains, such payment or
 
                                       31
<PAGE>
distribution would be in part a return of the shareholder's investment but
nonetheless would be taxable to the shareholder. Therefore, an investor should
consider the tax implications of purchasing Fund shares immediately prior to a
distribution record date.
 
    In general, a sale of shares results in capital gain or loss, and for
individual shareholders, is taxable at a federal rate dependent upon the length
of time the shares were held. A redemption of a shareholder's Fund shares is
normally treated as a sale for tax purposes. Fund shares held for a period of
one year or less will, for tax purposes, generally result in short-term gains or
losses and those held for more than one year generally result in long-term gain
or loss. Any loss realized by shareholders upon a redemption of shares within
six months of the date of their purchase will be treated as a long-term capital
loss to the extent of any distributions of net long-term capital gains with
respect to such shares during the six-month period.
 
    Gain or loss on the sale or redemption of shares in the Fund is measured by
the difference between the amount received and the tax basis of the shares.
Shareholders should keep records of investments made (including shares acquired
through reinvestment of dividends and distributions) so they can compute the tax
basis of their shares. Under certain circumstances a shareholder may compute and
use an average cost basis in determining the gain or loss on the sale or
redemption of shares.
 
    Exchanges of Fund shares for shares of another fund, including shares of
other Morgan Stanley Dean Witter Funds, are also subject to similar tax
treatment. Such an exchange is treated for tax purposes as a sale of the
original shares in the first fund, followed by the purchase of shares in the
second fund.
 
    If a shareholder realizes a loss on the redemption or exchange of a fund's
shares and reinvests in that fund's shares within 30 days before or after the
redemption or exchange, the transactions may be subject to the "wash sale"
rules, resulting in a postponement of the recognition of such loss for tax
purposes.
 
    Interest on indebtedness incurred by shareholders to purchase or carry
shares of the Fund is not deductible. Furthermore, entities or persons who are
"substantial users" (or related persons) of facilities financed by industrial
development bonds should consult their tax advisers before purchasing shares of
the Fund. "Substantial user" is defined generally by Income Tax Regulation
1.103-11(b) as including a "non-exempt person" who regularly uses in a trade or
business a part of a facility financed from the proceeds of industrial
development bonds.
 
    NEW YORK STATE AND CITY TAX
 
    To the extent that dividends are derived from interest on New York
tax-exempt securities, such dividends will also be exempt from New York State
and City personal income taxes. Interest on indebtedness incurred or continued
to purchase or carry shares of an investment company paying exempt-interest
dividends, such as the Fund, may not be deductible by the investor for State or
City personal income tax purposes.
 
    The foregoing relates to federal income taxation and to New York State and
City personal income taxation as in effect as of the date of the PROSPECTUS.
Distributions from investment income and capital gains, including
exempt-interest dividends, may be subject to New York franchise taxes if
received by a corporation doing business in New York, to state taxes in states
other than New York and to local taxes.
 
X. UNDERWRITERS
- --------------------------------------------------------------------------------
 
    The Fund's shares are offered to the public on a continuous basis. The
Distributor, as the principal underwriter of the shares, has certain obligations
under the Distribution Agreement concerning the distribution of the shares.
These obligations and the compensation the Distributor receives are described
above in the sections titled "Principal Underwriter" and "Rule 12b-1 Plans."
 
                                       32
<PAGE>
XI. CALCULATION OF PERFORMANCE DATA
- --------------------------------------------------------------------------------
 
    The Fund's current yield for the seven days ending December 31, 1998 was
2.64%. The effective annual yield on December 31, 1998, was 2.68% assuming daily
compounding.
 
    The Fund's annualized current yield, as may be quoted from time to time in
advertisements and other communications to shareholders and potential investors,
is computed by determining, for a stated seven-day period, the net change,
exclusive of capital changes and including the value of additional shares
purchased with dividends and any dividends declared therefrom (which reflect
deductions of all expenses of the Fund such as management fees), in the value of
a hypothetical pre-existing account having a balance of one share at the
beginning of the period, and dividing the difference by the value of the account
at the beginning of the base period to obtain the base period return, and then
multiplying the base period return by (365/7).
 
    The Fund's annualized effective yield, as may be quoted from time to time in
advertisements and other communications to shareholders and potential investors,
is computed by determining (for the same stated seven-day period as for the
current yield), the net change, exclusive of capital changes and including the
value of additional shares purchased with dividends and any dividends declared
therefrom (which reflect deductions of all expenses of the Fund such as
management fees), in the value of a hypothetical pre-existing account having a
balance of one share at the beginning of the period, and dividing the difference
by the value of the account at the beginning of the base period to obtain the
base period return, and then compounding the base period return by adding 1,
raising the sum to a power equal to 365 divided by 7, and subtracting 1 from the
result.
 
    The yields quoted in any advertisement or other communication should not be
considered a representation of the yields of the Fund in the future since the
yield is not fixed. Actual yields will depend not only on the type, quality and
maturities of the investments held by the Fund and changes in interest rates on
such investments, but also on changes in the Fund's expenses during the period.
 
    Yield information may be useful in reviewing the performance of the Fund and
for providing a basis for comparison with other investment alternatives.
However, unlike bank deposits or other investments which typically pay a fixed
yield for a stated period of time, the Fund's yield fluctuates.
 
    Based upon a combined Federal and New York personal income tax bracket of
43.74%, the Fund's tax-equivalent yield for the seven days ending December 31,
1998, was 4.69%.
 
    Tax-equivalent yield is computed by dividing that portion of the current
yield (calculated as described above) which is tax-exempt by 1 minus a stated
tax rate and adding the quotient to that portion, if any, of the yield of the
Fund that is not tax-exempt. The Fund may also advertise the growth of
hypothetical investments of $10,000, $50,000 and $100,000 in shares of the Fund
by adding the sum of all distributions on 10,000, 50,000 or 100,000 shares of
the Fund since inception to $10,000, $50,000 and $100,000, as the case may be.
Investments of $10,000, $50,000 and $100,000 in the Fund at inception would have
grown to $12,649, $63,245 and $126,490, respectively, at December 31, 1998.
 
XII. FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------
 
    EXPERTS.  The financial statements of the Fund for the fiscal year ended
December 31, 1998 included in this STATEMENT OF ADDITIONAL INFORMATION and
incorporated by reference in the PROSPECTUS have been so included and
incorporated in reliance on the report of PricewaterhouseCoopers LLP,
independent accountants, given on the authority of said firm as experts in
auditing and accounting.
 
                                     *****
 
    This STATEMENT OF ADDITIONAL INFORMATION and the PROSPECTUS do not contain
all of the information set forth in the REGISTRATION STATEMENT the Fund has
filed with the SEC. The complete REGISTRATION STATEMENT may be obtained from the
SEC.
 
                                       33
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
PORTFOLIO OF INVESTMENTS DECEMBER 31, 1998
 
<TABLE>
<CAPTION>
PRINCIPAL
AMOUNT IN                                                                                  COUPON  DEMAND
THOUSANDS                                                                                  RATE+   DATE*       VALUE
- -----------------------------------------------------------------------------------------------------------------------
<C>        <S>                                                                             <C>    <C>       <C>
           NEW YORK TAX-EXEMPT SHORT-TERM VARIABLE RATE MUNICIPAL OBLIGATIONS (64.3%)
$    800   Babylon Industrial Development Agency, OFS Equity of Babylon Ser 1989 (AMT)...  4.85%  01/04/99  $   800,000
   2,000   Municipal Assistance Corporation for the City of New York, Ser K Subser K-3...  3.80   01/08/99    2,000,000
           New York City Cultural Resources Trust,
   1,200     Museum of Broadcasting Ser 1989.............................................  4.00   01/08/99    1,200,000
     400     Salomon R Guggenheim Foundation 1990 Ser B..................................  5.00   01/04/99      400,000
   2,700   New York City Housing Development Corporation, James Tower 1994 Ser A.........  3.80   01/08/99    2,700,000
           New York City Industrial Development Agency,
   1,100     National Audubon Society Inc Ser 1989.......................................  5.00   01/04/99    1,100,000
     800     The Calhoun School Inc Ser 1990.............................................  3.75   01/08/99      800,000
     950     The Columbia Grammar & Preparatory School Ser 1994..........................  3.75   01/08/99      950,000
   2,000   New York City Transitional Finance Authority, Fiscal 1999 Ser A, Subser A-1...  4.05   01/08/99    2,000,000
   2,200   New York Local Government Assistance Corporation, Ser 1994B...................  3.85   01/08/99    2,200,000
           New York State Dormitory Authority,
   2,600     Cornell University Ser 1990B................................................  5.00   01/04/99    2,600,000
   1,000     Oxford University Press Inc Ser 1993........................................  5.10   01/04/99    1,000,000
   1,000     The Metropolitan Museum of Art Ser 1993A....................................  3.85   01/08/99    1,000,000
           New York State Energy Research & Development Authority,
   1,900     Brooklyn Union Gas Co Ser A-2 (MBIA)........................................  3.80   01/08/99    1,900,000
   3,000     Central Hudson Gas & Electric Corp Ser 1985 B...............................  4.00   01/08/99    3,000,000
   1,500     Long Island Lighting Co 1985 Ser A..........................................  3.58   03/01/99    1,500,000
     480     Long Island Lighting Co 1993 Ser B (AMT)....................................  4.10   01/08/99      480,000
   3,600     New York State Electric & Gas Corp 1994 Ser D...............................  4.80   01/04/99    3,600,000
           New York State Housing Finance Agency,
   3,000     East 84th Street Ser A (AMT)................................................  3.85   01/08/99    3,000,000
   2,000     Normandie Court II 1987 Ser A (AMT).........................................  4.10   01/08/99    2,000,000
   3,000     Service Contract 1998 Ser A.................................................  3.90   01/08/99    3,000,000
   1,300   New York State Medical Care Facilities Finance Agency, Lenox Hill Hospital
             1990 Ser A..................................................................  3.80   01/08/99    1,300,000
   3,500   Port Authority of New York & New Jersey, Ser 2................................  5.05   01/04/99    3,500,000
   2,000   St Lawrence County Industrial Development Agency, Reynolds Metals Co Ser 1995
             (AMT).......................................................................  3.85   01/08/99    2,000,000
   2,500   Syracuse Industrial Developmental Agency, Syracuse University Eggers Hall Ser
             1993........................................................................  5.00   01/04/99    2,500,000
   1,000   Yonkers Industrial Development Agency, Sarah Lawrence College Ser 1997
             (MBIA)......................................................................  3.85   01/08/99    1,000,000
 
           PUERTO RICO
   2,000   Puerto Rico Highway & Transportation Authority, Transportation 1998 Ser A
             (AMBAC).....................................................................  3.50   01/08/99    2,000,000
                                                                                                            -----------
 
           TOTAL NEW YORK TAX-EXEMPT SHORT-TERM VARIABLE RATE MUNICIPAL OBLIGATIONS
           (AMORTIZED COST $49,530,000)...................................................................   49,530,000
                                                                                                            -----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       34
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
PORTFOLIO OF INVESTMENTS DECEMBER 31, 1998, CONTINUED
 
<TABLE>
<CAPTION>
                                                                                                   YIELD TO
PRINCIPAL                                                                                          MATURITY
AMOUNT IN                                                                        COUPON MATURITY  ON DATE OF
THOUSANDS                                                                        RATE     DATE     PURCHASE      VALUE
- -------------------------------------------------------------------------------------------------------------------------
<C>        <S>                                                                   <C>    <C>       <C>         <C>
           NEW YORK TAX-EXEMPT COMMERCIAL PAPER (27.0%)
           Long Island Power Authority,
$  1,000     Electric System Subser 3..........................................  3.00%  03/18/99       3.00 % $ 1,000,000
   1,000     Electric System Subser 3..........................................  2.95   04/08/99       2.95     1,000,000
           Metropolitan Transportation Authority,
   1,000     Transit Facilities Ser CP-1 Subser B BANs.........................  2.90   02/18/99       2.90     1,000,000
   1,000     Transit Facilities Ser CP-1 Subser B BANs.........................  2.90   02/24/99       2.90     1,000,000
           New York City,
   1,000     1994 Ser H Subser H-3 (FSA).......................................  2.85   01/21/99       2.85     1,000,000
   1,000     1994 Ser H Subser H-3 (FSA).......................................  2.85   01/26/99       2.85     1,000,000
   1,000     1996 Ser J Subser J-2.............................................  2.90   02/11/99       2.90     1,000,000
           New York State,
   1,300     Ser U BANs........................................................  3.00   02/17/99       3.00     1,300,000
   1,000     Ser U BANs........................................................  3.00   03/10/99       3.00     1,000,000
           New York State Dormitory Authority,
   1,000     Columbia University 1997 Issue....................................  3.10   01/14/99       3.10     1,000,000
   1,000     Columbia University 1997 Issue....................................  3.10   01/20/99       3.10     1,000,000
   1,000     Columbia University 1997 Issue....................................  3.00   02/09/99       3.00     1,000,000
   1,000     Memorial Sloan-Kettering Cancer Center Ser 1989C..................  3.30   01/12/99       3.30     1,000,000
     500     Memorial Sloan-Kettering Cancer Center Ser 1989C..................  3.30   01/28/99       3.30       500,000
   1,000     Memorial Sloan-Kettering Cancer Center Ser 1989C..................  2.85   03/11/99       2.85     1,000,000
           New York State Environmental Quality,
   1,000     Ser 1998 A........................................................  2.90   02/10/99       2.90     1,000,000
   1,000     Ser 1998 A........................................................  2.90   03/08/99       2.90     1,000,000
           New York State Power Authority,
   1,000     Ser 2.............................................................  3.00   02/08/99       3.00     1,000,000
   1,000     Ser 2.............................................................  2.80   03/09/99       2.80     1,000,000
 
           PUERTO RICO
           Puerto Rico Government Development Bank,
   1,000     Ser 1996..........................................................  2.80   02/22/99       2.80     1,000,000
   1,000     Ser 1996..........................................................  2.85   03/05/99       2.85     1,000,000
                                                                                                              -----------
 
           TOTAL NEW YORK TAX-EXEMPT COMMERCIAL PAPER
           (AMORTIZED COST $20,800,000).....................................................................   20,800,000
                                                                                                              -----------
 
           NEW YORK TAX-EXEMPT SHORT-TERM MUNICIPAL NOTES (8.4%)
   1,000   Half Hollow Hills Central School District, 1998-1999 TANs,
             dtd 07/09/98......................................................  3.90   06/25/99       3.55     1,001,620
   1,000   Mamaroneck Union Free School District, 1998 TANs,
             dtd 07/09/98......................................................  3.90   02/05/99       3.50     1,000,372
   1,500   Massapequa Union Free School District, 1998-1999 TANs,
             dtd 07/09/98......................................................  3.80   06/30/99       3.60     1,501,426
   1,000   Monroe County, 1998 BANs, dtd 07/24/98..............................  4.00   07/23/99       3.60     1,002,147
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       35
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
PORTFOLIO OF INVESTMENTS DECEMBER 31, 1998, CONTINUED
 
<TABLE>
<CAPTION>
                                                                                                   YIELD TO
PRINCIPAL                                                                                          MATURITY
AMOUNT IN                                                                        COUPON MATURITY  ON DATE OF
THOUSANDS                                                                        RATE     DATE     PURCHASE      VALUE
- -------------------------------------------------------------------------------------------------------------------------
<C>        <S>                                                                   <C>    <C>       <C>         <C>
$  1,000   Smithtown Central School District, 1998-1999 TANs,
             dtd 07/08/98......................................................  3.90%  06/25/99       3.60 % $ 1,001,387
   1,000   Three Village Central School District, Ser 1998-1999 TANs,
             dtd 07/15/98......................................................  3.90   06/30/99       3.60     1,001,425
                                                                                                              -----------
 
           TOTAL NEW YORK TAX-EXEMPT SHORT-TERM MUNICIPAL NOTES
           (AMORTIZED COST $6,508,377)......................................................................    6,508,377
                                                                                                              -----------
</TABLE>
 
<TABLE>
<S>                                                                                          <C>     <C>
TOTAL INVESTMENTS
(AMORTIZED COST $76,838,377) (a)...........................................................   99.7 %   76,838,377
 
CASH AND OTHER ASSETS IN EXCESS OF LIABILITIES.............................................    0.3        241,475
                                                                                             ------  ------------
 
NET ASSETS.................................................................................  100.0 % $ 77,079,852
                                                                                             ------  ------------
                                                                                             ------  ------------
</TABLE>
 
- ---------------------
 
 AMT   Alternative Minimum Tax.
BANs   Bond Anticipation Notes.
TANs   Tax Anticipation Notes.
  +    Rate shown is the rate in effect at December 31, 1998.
  *    Date on which the principal amount can be recovered through demand.
 (a)   Cost is the same for federal income tax purposes.
 
BOND INSURANCE:
AMBAC  AMBAC Indemnity Corporation.
 FSA   Financial Security Assurance Inc.
MBIA   Municipal Bond Investors Assurance Corporation.
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       36
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
FINANCIAL STATEMENTS
 
STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 1998
 
<TABLE>
<S>                                                                                              <C>
ASSETS:
Investments in securities, at value
  (amortized cost $76,838,377).................................................................  $76,838,377
Cash...........................................................................................      147,430
Interest receivable............................................................................      369,303
Prepaid expenses...............................................................................        8,729
                                                                                                 -----------
 
     TOTAL ASSETS..............................................................................   77,363,839
                                                                                                 -----------
 
LIABILITIES:
Payable for:
    Shares of beneficial interest repurchased..................................................      158,074
    Investment management fee..................................................................       32,223
    Plan of distribution fee...................................................................        6,444
Accrued expenses...............................................................................       87,246
                                                                                                 -----------
 
     TOTAL LIABILITIES.........................................................................      283,987
                                                                                                 -----------
 
     NET ASSETS................................................................................  $77,079,852
                                                                                                 -----------
                                                                                                 -----------
 
COMPOSITION OF NET ASSETS:
Paid-in-capital................................................................................  $77,079,783
Accumulated undistributed net investment income................................................           69
                                                                                                 -----------
 
     NET ASSETS................................................................................  $77,079,852
                                                                                                 -----------
                                                                                                 -----------
 
NET ASSET VALUE PER SHARE,
  77,079,783 SHARES OUTSTANDING (UNLIMITED SHARES AUTHORIZED OF
    $.01 PAR VALUE)............................................................................        $1.00
                                                                                                 -----------
                                                                                                 -----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       37
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
FINANCIAL STATEMENTS, CONTINUED
 
STATEMENT OF OPERATIONS
FOR THE YEAR ENDED DECEMBER 31, 1998
 
<TABLE>
<S>                                                                                               <C>
NET INVESTMENT INCOME:
 
INTEREST INCOME.................................................................................  $2,060,533
                                                                                                  ----------
 
EXPENSES
Investment management fee.......................................................................     308,510
Plan of distribution fee........................................................................      59,613
Professional fees...............................................................................      44,232
Transfer agent fees and expenses................................................................      42,804
Shareholder reports and notices.................................................................      35,495
Trustees' fees and expenses.....................................................................      18,570
Registration fees...............................................................................      12,919
Custodian fees..................................................................................       6,949
Other...........................................................................................       8,249
                                                                                                  ----------
 
     TOTAL EXPENSES.............................................................................     537,341
 
Less: expense offset............................................................................      (6,949)
                                                                                                  ----------
 
     NET EXPENSES...............................................................................     530,392
                                                                                                  ----------
 
     NET INVESTMENT INCOME......................................................................   1,530,141
 
     NET REALIZED GAIN..........................................................................         421
                                                                                                  ----------
 
NET INCREASE....................................................................................  $1,530,562
                                                                                                  ----------
                                                                                                  ----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       38
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
FINANCIAL STATEMENTS, CONTINUED
 
STATEMENT OF CHANGES IN NET ASSETS
 
<TABLE>
<CAPTION>
                                                                          FOR THE YEAR       FOR THE YEAR
                                                                              ENDED              ENDED
                                                                        DECEMBER 31, 1998  DECEMBER 31, 1997
- ------------------------------------------------------------------------------------------------------------
<S>                                                                     <C>                <C>
 
INCREASE (DECREASE) IN NET ASSETS:
 
OPERATIONS:
Net investment income.................................................  $      1,530,141   $      1,169,478
Net realized gain.....................................................               421          --
                                                                        -----------------  -----------------
 
     NET INCREASE.....................................................         1,530,562          1,169,478
 
Dividends from net investment income..................................        (1,530,092 )       (1,169,485 )
 
Net increase from transactions in shares of beneficial interest.......        27,743,794          8,577,349
                                                                        -----------------  -----------------
 
     NET INCREASE.....................................................        27,744,264          8,577,342
 
NET ASSETS:
Beginning of period...................................................        49,335,588         40,758,246
                                                                        -----------------  -----------------
 
     END OF PERIOD
    (INCLUDING UNDISTRIBUTED NET INVESTMENT INCOME OF $69 AND $20,
    RESPECTIVELY).....................................................  $     77,079,852   $     49,335,588
                                                                        -----------------  -----------------
                                                                        -----------------  -----------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       39
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
NOTES TO FINANCIAL STATEMENTS DECEMBER 31, 1998
 
1. ORGANIZATION AND ACCOUNTING POLICIES
 
Morgan Stanley Dean Witter New York Municipal Money Market Trust (the "Fund"),
formerly Dean Witter New York Municipal Money Market Trust, is registered under
the Investment Company Act of 1940, as amended (the "Act"), as a
non-diversified, open-end management investment company. The Fund's investment
objective is to provide a high level of daily income which is exempt from
federal and New York income tax, consistent with stability of principal and
liquidity. The Fund was organized as a Massachusetts business trust on December
28, 1989 and commenced operations on March 20, 1990.
 
The preparation of financial statements in accordance with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts and disclosures. Actual results could differ from
those estimates.
 
The following is a summary of significant accounting policies:
 
A. VALUATION OF INVESTMENTS -- Portfolio securities are valued at amortized
cost, which approximates market value.
 
B. ACCOUNTING FOR INVESTMENTS -- Security transactions are accounted for on the
trade date (date the order to buy or sell is executed). Realized gains and
losses on security transactions are determined on the identified cost method.
The Fund amortizes premiums and accretes discounts over the life of the
respective securities. Interest income is accrued daily.
 
C. FEDERAL INCOME TAX STATUS -- It is the Fund's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated investment
companies and to distribute all of its taxable and nontaxable income to its
shareholders. Accordingly, no federal income tax provision is required.
 
D. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- The Fund records dividends and
distributions to shareholders as of the close of each business day.
 
2. INVESTMENT MANAGEMENT
 
Pursuant to an Investment Management Agreement with Morgan Stanley Dean Witter
Advisors Inc. (the "Investment Manager"), formerly Dean Witter InterCapital
Inc., the Fund pays the Investment Manager a management fee, accrued daily and
payable monthly, by applying the following annual rates to the net assets of the
Fund determined as of the close of each business day: 0.50% to the portion of
daily net assets not exceeding $500 million; 0.425% to the portion of daily net
assets
 
                                       40
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
NOTES TO FINANCIAL STATEMENTS DECEMBER 31, 1998, CONTINUED
 
exceeding $500 million but not exceeding $750 million; 0.375% to the portion of
daily net assets exceeding $750 million but not exceeding $1 billion; 0.35% to
the portion of daily net assets exceeding $1 billion but not exceeding $1.5
billion; 0.325% to the portion of daily net assets exceeding $1.5 billion but
not exceeding $2 billion; 0.30% to the portion of daily net assets exceeding $2
billion but not exceeding $2.5 billion; 0.275% to the portion of daily net
assets exceeding $2.5 billion but not exceeding $3 billion; and 0.25% to the
portion of daily net assets exceeding $3 billion.
 
Under the terms of the Agreement, in addition to managing the Fund's
investments, the Investment Manager maintains certain of the Fund's books and
records and furnishes, at its own expense, office space, facilities, equipment,
clerical, bookkeeping and certain legal services and pays the salaries of all
personnel, including officers of the Fund who are employees of the Investment
Manager. The Investment Manager also bears the cost of telephone services, heat,
light, power and other utilities provided to the Fund.
 
3. PLAN OF DISTRIBUTION
 
Morgan Stanley Dean Witter Distributors Inc. (the "Distributor"), an affiliate
of the Investment Manager, is the distributor of the Fund's shares and, in
accordance with a Plan of Distribution (the "Plan") pursuant to Rule 12b-1 under
the Act, finances certain expenses in connection therewith.
 
Under the Plan, the Distributor bears the expense of all promotional and
distribution related activities on behalf of the Fund, except for expenses that
the Trustees determine to reimburse, as described below. The following
activities and services may be provided by the Distributor and other
broker-dealers under the Plan: (1) compensation to, and expenses of, Morgan
Stanley Dean Witter Financial Advisors and other selected broker-dealers; (2)
sales incentives and bonuses to sales representatives and to marketing personnel
in connection with promoting sales of the Fund's shares; (3) expenses incurred
in connection with promoting sales of the Fund's shares; (4) preparing and
distributing sales literature; and (5) providing advertising and promotional
activities, including direct mail solicitation and television, radio, newspaper,
magazine and other media advertisements.
 
The Fund is authorized to reimburse the Distributor for specific expenses the
Distributor incurs or plans to incur in promoting the distribution of the Fund's
shares. The amount of each monthly reimbursement payment may in no event exceed
an amount equal to a payment at the annual rate of 0.15% of the Fund's average
daily net assets during the month. Expenses incurred by the Distributor
 
                                       41
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
NOTES TO FINANCIAL STATEMENTS DECEMBER 31, 1998, CONTINUED
 
pursuant to the Plan in any fiscal year will not be reimbursed by the Fund
through payments accrued in any subsequent fiscal year. For the year ended
December 31, 1998, the distribution fee was accrued at the annual rate of 0.10%.
 
4. SECURITY TRANSACTIONS AND TRANSACTIONS WITH AFFILIATES
 
The cost of purchases and proceeds from sales/maturities of portfolio securities
for the year ended December 31, 1998 aggregated $239,829,112 and $214,031,360,
respectively.
 
Morgan Stanley Dean Witter Trust FSB, an affiliate of the Investment Manager and
Distributor, is the Fund's transfer agent. At December 31, 1998, the Fund had
transfer agent fees and expenses payable of approximately $2,100.
 
The Fund has an unfunded noncontributory defined benefit pension plan covering
all independent Trustees of the Fund who will have served as independent
Trustees for at least five years at the time of retirement. Benefits under this
plan are based on years of service and compensation during the last five years
of service. Aggregate pension costs for the year ended December 31, 1998
included in Trustees' fees and expenses in the Statement of Operations amounted
to $5,632. At December 31, 1998, the Fund had an accrued pension liability of
$48,731 which is included in accrued expenses in the Statement of Assets and
Liabilities.
 
5. SHARES OF BENEFICIAL INTEREST
 
Transactions in shares of beneficial interest, at $1.00 per share, were as
follows:
 
<TABLE>
<CAPTION>
                                                                     FOR THE
                                                                      YEAR        FOR THE YEAR
                                                                      ENDED          ENDED
                                                                    DECEMBER      DECEMBER 31,
                                                                    31, 1998          1997
                                                                   -----------   --------------
 
<S>                                                                <C>           <C>
Shares sold......................................................  177,790,665     108,032,544
Shares issued in reinvestment of dividends.......................   1,530,092        1,169,485
                                                                   -----------   --------------
                                                                   179,320,757     109,202,029
Shares repurchased...............................................  (151,576,963)  (100,624,680)
                                                                   -----------   --------------
Net increase in shares outstanding...............................  27,743,794        8,577,349
                                                                   -----------   --------------
                                                                   -----------   --------------
</TABLE>
 
                                       42
<PAGE>
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
FINANCIAL HIGHLIGHTS
 
Selected ratios and per share of beneficial interest outstanding throughout each
period:
 
<TABLE>
<CAPTION>
                                                                                FOR THE YEAR ENDED DECEMBER 31,
                                                                  -----------------------------------------------------------
                                                                   1998         1997         1996         1995         1994
- -----------------------------------------------------------------------------------------------------------------------------
 
<S>                                                               <C>          <C>          <C>          <C>          <C>
SELECTED PER SHARE DATA:
 
Net asset value, beginning of period........................      $  1.00      $  1.00      $  1.00      $  1.00      $  1.00
                                                                  -------      -------      -------      -------      -------
 
Net investment income.......................................        0.025        0.026        0.025        0.028        0.018
 
Less dividends from net investment income...................       (0.025)      (0.026)      (0.025)      (0.028)      (0.018)
                                                                  -------      -------      -------      -------      -------
 
Net asset value, end of period..............................      $  1.00      $  1.00      $  1.00      $  1.00      $  1.00
                                                                  -------      -------      -------      -------      -------
                                                                  -------      -------      -------      -------      -------
 
TOTAL RETURN................................................         2.53%        2.68%        2.53%        2.84%        1.78%
 
RATIOS TO AVERAGE NET ASSETS:
Expenses....................................................         0.87%(1)     0.96%(1)     0.95%(1)     1.01%(1)     1.03%
 
Net investment income.......................................         2.48%        2.64%        2.48%        2.79%        1.75%
 
SUPPLEMENTAL DATA:
Net assets, end of period, in thousands.....................      $77,080      $49,336      $40,758      $39,108      $39,629
</TABLE>
 
- ---------------------
 
(1)  Does not reflect the effect of the expense offset of 0.01%.
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       43
<PAGE>
 
MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL
MONEY MARKET TRUST
REPORT OF INDEPENDENT ACCOUNTANTS
 
TO THE SHAREHOLDERS AND TRUSTEES
OF MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST
 
In our opinion, the accompanying statement of assets and liabilities, including
the portfolio of investments, and the related statements of operations and of
changes in net assets and the financial highlights present fairly, in all
material respects, the financial position of Morgan Stanley Dean Witter New York
Municipal Money Market Trust (the "Fund"), formerly Dean Witter New York
Municipal Money Market Trust, at December 31, 1998, the results of its
operations for the year then ended, the changes in its net assets for each of
the two years in the period then ended and the financial highlights for each of
the five years in the period then ended, in conformity with generally accepted
accounting principles. These financial statements and financial highlights
(hereafter referred to as "financial statements") are the responsibility of the
Fund's management; our responsibility is to express an opinion on these
financial statements based on our audits. We conducted our audits of these
financial statements in accordance with generally accepted auditing standards
which require that we plan and perform the audit to obtain reasonable assurance
about whether the financial statements are free of material misstatement. An
audit includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation. We believe that our audits, which included
confirmation of securities at December 31, 1998 by correspondence with the
custodian, provide a reasonable basis for the opinion expressed above.
 
PricewaterhouseCoopers LLP
1177 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
FEBRUARY 5, 1999
 
                      1998 FEDERAL TAX NOTICE (UNAUDITED)
 
       For the year ended December 31, 1998, all of the Fund's dividends
       from net investment income were exempt interest dividends,
       excludable from gross income for Federal income tax purposes.
 
                                       44
<PAGE>

                            MORGAN STANLEY DEAN WITTER
                       NEW YORK MUNICIPAL MONEY MARKET TRUST

                              PART C OTHER INFORMATION

Item 23.  EXHIBITS

          1.   Form of Amendment to the Declaration of Trust of the Registrant.

          2.   Amended and Restated By-Laws of the Registrant dated
               January 28, 1999.

          4.   Form of Amended Investment Management Agreement between the
               Registrant and Morgan Stanley Dean Witter Advisors Inc.

       8(a).   Form of Amended and Restated Transfer Agency and Service
               Agreement between the Registrant and Morgan Stanley Dean Witter
               Trust FSB

       8(b).   Form of Amended Services Agreement between Morgan Stanley Dean
               Witter Advisors Inc. and Morgan Stanley Dean Witter Services
               Company Inc.

         10.   Consent of Independent Accountants

         14.   Financial Data Schedule

- --------------------------------------------------------------------------------
All other exhibits were previously filed via EDGAR and are hereby incorporated
by reference.

Item 24.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH THE FUND

          None

Item 25.  INDEMNIFICATION

     Pursuant to Section 5.3 of the Registrant's Declaration of Trust and under
Section 4.8 of the Registrant's By-Laws, the indemnification of the Registrant's
trustees, officers, employees and agents is permitted if it is determined that
they acted under the belief that their actions were in or not opposed to the
best interest of the Registrant, and, with respect to any criminal proceeding,
they had reasonable cause to believe their conduct was not unlawful.  In
addition, indemnification is permitted only if it is determined that the actions
in question did not render them liable by reason of willful misfeasance, bad
faith or gross negligence in the performance of their duties or by reason of
reckless disregard of their obligations and duties to the Registrant.  Trustees,
officers, employees and agents will be indemnified for the expense of litigation
if it is determined that they are entitled to indemnification against any
liability established in such litigation.  The Registrant may also advance money
for these expenses provided that they give their undertakings to repay the
Registrant unless their conduct is later determined to permit indemnification.

     Pursuant to Section 5.2 of the Registrant's Declaration of Trust and
paragraph 8 of the Registrant's Investment Management Agreement, neither the
Investment Manager nor any trustee, officer, employee or agent of the Registrant
shall be liable for any action or failure to

<PAGE>

act, except in the case of bad faith, willful misfeasance, gross negligence or
reckless disregard of duties to the Registrant.

     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 (the "Act") 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 against the Registrant by such trustee, officer or controlling person
in connection with the shares being registered, the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act, and will
be governed by the final adjudication of such issue.

     The Registrant hereby undertakes that it will apply the indemnification
provision of its by-laws in a manner consistent with Release 11330 of the
Securities and Exchange Commission under the Investment Company Act of 1940, so
long as the interpretation of Sections 17(h) and 17(i) of such Act remains in
effect.

     Registrant, in conjunction with the Investment Manager, Registrant's
Trustees, and other registered investment management companies managed by the
Investment Manager, maintains insurance on behalf of any person who is or was a
Trustee, officer, employee, or agent of Registrant, or who is or was serving at
the request of Registrant as a trustee, director, officer, employee or agent of
another trust or corporation, against any liability asserted against him and
incurred by him or arising out of his position.  However, in no event will
Registrant maintain insurance to indemnify any such person for any act for which
Registrant itself is not permitted to indemnify him.

Item 26. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISOR

     See "The Fund and Its Management" in the Prospectus regarding the business
of the investment advisor.  The following information is given regarding
officers of Morgan Stanley Dean Witter Advisors Inc. ("MSDW Advisors").  MSDW
Advisors is a wholly-owned subsidiary of Morgan Stanley Dean Witter & Co.  The
principal address of the Morgan Stanley Dean Witter Funds is Two World Trade
Center, New York, New York 10048.

     The term "Morgan Stanley Dean Witter Funds" refers to the following
registered investment companies:

CLOSED-END INVESTMENT COMPANIES

(1)   Morgan Stanley Dean Witter California Insured Municipal Income Trust
(2)   Morgan Stanley Dean Witter California Quality Municipal Securities
(3)   Morgan Stanley Dean Witter Government Income Trust
(4)   Morgan Stanley Dean Witter High Income Advantage Trust
(5)   Morgan Stanley Dean Witter High Income Advantage Trust II
(6)   Morgan Stanley Dean Witter High Income Advantage Trust III
(7)   Morgan Stanley Dean Witter Income Securities Inc.
(8)   Morgan Stanley Dean Witter Insured California Municipal Securities

<PAGE>

(9)   Morgan Stanley Dean Witter Insured Municipal Bond Trust
(10)  Morgan Stanley Dean Witter Insured Municipal Income Trust
(11)  Morgan Stanley Dean Witter Insured Municipal Securities
(12)  Morgan Stanley Dean Witter Insured Municipal Trust
(13)  Morgan Stanley Dean Witter Municipal Income Opportunities Trust
(14)  Morgan Stanley Dean Witter Municipal Income Opportunities Trust II
(15)  Morgan Stanley Dean Witter Municipal Income Opportunities Trust III
(16)  Morgan Stanley Dean Witter Municipal Income Trust
(17)  Morgan Stanley Dean Witter Municipal Income Trust II
(18)  Morgan Stanley Dean Witter Municipal Income Trust III
(19)  Morgan Stanley Dean Witter Municipal Premium Income Trust
(20)  Morgan Stanley Dean Witter New York Quality Municipal Securities
(21)  Morgan Stanley Dean Witter Prime Income Trust
(22)  Morgan Stanley Dean Witter Quality Municipal Income Trust
(23)  Morgan Stanley Dean Witter Quality Municipal Investment Trust
(24)  Morgan Stanley Dean Witter Quality Municipal Securities

OPEN-END INVESTMENT COMPANIES
(1)   Active Assets California Tax-Free Trust
(2)   Active Assets Government Securities Trust
(3)   Active Assets Money Trust
(4)   Active Assets Tax-Free Trust
(5)   Morgan Stanley Dean Witter Aggressive Equity Fund
(6)   Morgan Stanley Dean Witter American Value Fund
(7)   Morgan Stanley Dean Witter Balanced Growth Fund
(8)   Morgan Stanley Dean Witter Balanced Income Fund
(9)   Morgan Stanley Dean Witter California Tax-Free Daily Income Trust
(10)  Morgan Stanley Dean Witter California Tax-Free Income Fund
(11)  Morgan Stanley Dean Witter Capital Appreciation Fund
(12)  Morgan Stanley Dean Witter Capital Growth Securities
(13)  Morgan Stanley Dean Witter Competitive Edge Fund, "BEST IDEAS PORTFOLIO"
(14)  Morgan Stanley Dean Witter Convertible Securities Trust
(15)  Morgan Stanley Dean Witter Developing Growth Securities Trust
(16)  Morgan Stanley Dean Witter Diversified Income Trust
(17)  Morgan Stanley Dean Witter Dividend Growth Securities Inc.
(18)  Morgan Stanley Dean Witter Equity Fund
(19)  Morgan Stanley Dean Witter European Growth Fund Inc.
(20)  Morgan Stanley Dean Witter Federal Securities Trust
(21)  Morgan Stanley Dean Witter Financial Services Trust
(22)  Morgan Stanley Dean Witter Fund of Funds
(23)  Morgan Stanley Dean Witter Global Dividend Growth Securities
(24)  Morgan Stanley Dean Witter Global Short-Term Income Fund Inc.
(25)  Morgan Stanley Dean Witter Global Utilities Fund
(26)  Morgan Stanley Dean Witter Growth Fund
(27)  Morgan Stanley Dean Witter Hawaii Municipal Trust
(28)  Morgan Stanley Dean Witter Health Sciences Trust
(29)  Morgan Stanley Dean Witter High Yield Securities Inc.
(30)  Morgan Stanley Dean Witter Income Builder Fund
(31)  Morgan Stanley Dean Witter Information Fund
(32)  Morgan Stanley Dean Witter Intermediate Income Securities
(33)  Morgan Stanley Dean Witter International SmallCap Fund
(34)  Morgan Stanley Dean Witter Japan Fund

<PAGE>

(35)  Morgan Stanley Dean Witter Limited Term Municipal Trust
(36)  Morgan Stanley Dean Witter Liquid Asset Fund Inc.
(37)  Morgan Stanley Dean Witter Market Leader Trust
(38)  Morgan Stanley Dean Witter Mid-Cap Dividend Growth Securities
(39)  Morgan Stanley Dean Witter Mid-Cap Growth Fund
(40)  Morgan Stanley Dean Witter Multi-State Municipal Series Trust
(41)  Morgan Stanley Dean Witter Natural Resource Development Securities Inc.
(42)  Morgan Stanley Dean Witter New York Municipal Money Market Trust
(43)  Morgan Stanley Dean Witter New York Tax-Free Income Fund
(44)  Morgan Stanley Dean Witter Pacific Growth Fund Inc.
(45)  Morgan Stanley Dean Witter Precious Metals and Minerals Trust
(46)  Morgan Stanley Dean Witter S&P 500 Index Fund
(47)  Morgan Stanley Dean Witter S&P 500 Select Fund
(48)  Morgan Stanley Dean Witter Select Dimensions Investment Series
(49)  Morgan Stanley Dean Witter Select Municipal Reinvestment Fund
(50)  Morgan Stanley Dean Witter Short-Term Bond Fund
(51)  Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust
(52)  Morgan Stanley Dean Witter Special Value Fund
(53)  Morgan Stanley Dean Witter Strategist Fund
(54)  Morgan Stanley Dean Witter Tax-Exempt Securities Trust
(55)  Morgan Stanley Dean Witter Tax-Free Daily Income Trust
(56)  Morgan Stanley Dean Witter U.S. Government Money Market Trust
(57)  Morgan Stanley Dean Witter U.S. Government Securities Trust
(58)  Morgan Stanley Dean Witter Utilities Fund
(59)  Morgan Stanley Dean Witter Value-Added Market Series
(60)  Morgan Stanley Dean Witter Value Fund
(61)  Morgan Stanley Dean Witter Variable Investment Series
(62)  Morgan Stanley Dean Witter World Wide Income Trust

     The term "TCW/DW Funds" refers to the following registered investment
companies:
OPEN-END INVESTMENT COMPANIES
(1)   TCW/DW Emerging Markets Opportunities Trust
(2)   TCW/DW Global Telecom Trust
(3)   TCW/DW Income and Growth Fund
(4)   TCW/DW Latin American Growth Fund
(5)   5TCW/DW Mid-Cap Equity Trust
(6)   TCW/DW North American Government Income Trust
(7)   TCW/DW Small Cap Growth Fund
(8)   TCW/DW Total Return Trust

CLOSED-END INVESTMENT COMPANIES
(1)   TCW/DW Term Trust 2000
(2)   TCW/DW Term Trust 2002
(3)   TCW/DW Term Trust 2003

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Mitchell M. Merin         Chairman and Director of Morgan Stanley Dean Witter
President, Chief          Distributors Inc. ("MSDW Distributors") and Morgan
Executive Officer and     Stanley Dean Witter Trust FSB ("MSDW Trust");
Director                  President, Chief Executive Officer and Director of
                          Morgan Stanley Dean Witter Services Company Inc.
                          ("MSDW Services"); Vice President of the Morgan 
                          Stanley Dean Witter Funds, TCW/DW Funds and Discover 
                          Brokerage Index Series; Executive Vice President and
                          Director of Dean Witter Reynolds Inc. ("DWR");
                          Director of various Morgan Stanley Dean Witter & Co.
                          ("MSDW") subsidiaries.

Thomas C. Schneider       Executive Vice President and Chief Strategic and
Executive Vice            Administrative Officer of MSDW; Executive Vice
President and Chief       President and Chief Financial Officer of MSDW
Financial Officer         Services; Director of DWR and MSDW.

Joseph J. McAlinden       Vice President of the Morgan Stanley Dean Witter
Executive Vice President  Funds and Discover Brokerage Index Series; Director 
and Chief Investment      of MSDW Trust.
Officer

Ronald E. Robison         Executive Vice President, Chief Administrative  
Executive Vice President, Officer and Director of MSDW Services; Vice President
Director and Chief        of the Morgan Stanley Dean Witter Funds, TCW/DW 
Administrative            Funds and Discover Brokerage Index Series.
Officer                   

Edward C. Oelsner, III
Executive Vice President

Barry Fink                Assistant Secretary of DWR; Senior Vice President,
Senior Vice President,    Secretary, General Counsel and Director of MSDW
Secretary, General        Services; Senior Vice President, Assistant Secretary
Counsel and Director      and Assistant General Counsel of MSDW Distributors;
                          Vice President, Secretary and General Counsel of the
                          Morgan Stanley Dean Witter Funds, TCW/DW Funds and 
                          Discover Brokerage Index Series.

Peter M. Avelar           Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Mark Bavoso               Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Rosalie Clough
Senior Vice President
and Director of Marketing

Richard Felegy
Senior Vice President

Edward F. Gaylor          Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Robert S. Giambrone       Senior Vice President of MSDW Services, MSDW
Senior Vice President     Distributors and MSDW Trust and Director of MSDW
                          Trust; Vice President of the Morgan Stanley Dean
                          Witter Funds, TCW/DW Funds and Discover Brokerage 
                          Index Series.

Rajesh K. Gupta           Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Kenton J. Hinchliffe      Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds and Discover Brokerage Index Series.

Kevin Hurley              Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Margaret Iannuzzi
Senior Vice President

Jenny Beth Jones          Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

John B. Kemp, III         President of MSDW Distributors.
Senior Vice President

Anita H. Kolleeny         Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Jonathan R. Page          Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Ira N. Ross               Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Guy G. Rutherfurd, Jr.    Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Rochelle G. Siegel        Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

James Solloway
Senior Vice President

Jayne M. Stevlingson      Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Paul D. Vance             Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Elizabeth A. Vetell
Senior Vice President
and Director of Shareholder
Communication

James F. Willison         Vice President of various Morgan Stanley Dean Witter
Senior Vice President     Funds.

Douglas Brown
First Vice President

Frank Bruttomesso         First Vice President and Assistant Secretary of MSDW
First Vice President      Services; Assistant Secretary of the Morgan Stanley
and Assistant Secretary   Dean Witter Funds, TCW/DW Funds and Discover 
                          Brokerage Index Series.

Thomas F. Caloia          First Vice President and Assistant Treasurer of
First Vice President      MSDW Services; Assistant Treasurer of MSDW
and Assistant             Distributors; Treasurer and Chief Financial and 
Treasurer                 Accounting Officer of the Morgan Stanley Dean 
                          Witter Funds, TCW/DW Funds and Discover 
                          Brokerage Index Series.

Thomas Chronert
First Vice President

Marilyn K. Cranney        Assistant Secretary of DWR; First Vice President and
First Vice President      Assistant Secretary of MSDW Services; Assistant
and Assistant Secretary   Secretary of the Morgan Stanley Dean Witter Funds, 
                          TCW/DW Funds and Discover Brokerage Index Series.

Salvatore DeSteno         Vice President of MSDW Services.
First Vice President

Michael Interrante        First Vice President and Controller of MSDW Services;
First Vice President      Assistant Treasurer of MSDW Distributors; First Vice
and Controller            President and Treasurer of MSDW Trust.

David Johnson
First Vice President

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Stanley Kapica
First Vice President

LouAnne D. McInnis        First Vice President and Assistant Secretary of MSDW
First Vice President      Services; Assistant Secretary of the Morgan Stanley
and Assistant Secretary   Dean Witter Funds, TCW/DW Funds and Discover 
                          Brokerage Direct.

Carsten Otto              First Vice President and Assistant Secretary of MSDW
First Vice President      Services; Assistant Secretary of the Morgan Stanley
and Assistant Secretary   Dean Witter Funds, TCW/DW Funds and Discover 
                          Brokerage Index Series.

Ruth Rossi                First Vice President and Assistant Secretary of 
First Vice President      MSDW Services, Assistant Secretary of the Morgan
and Assistant Secretary   Stanley Dean Witter Funds, TCW/DW Funds and 
                          Discover Brokerage Index Series.

James P. Wallin
First Vice President

Robert Zimmerman
First Vice President

Dale Albright
Vice President

Joan G. Allman
Vice President

Andrew Arbenz
Vice President

Joseph Arcieri            Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Nancy Belza
Vice President

Maurice Bendrihem
Vice President and
Assistant Controller

Dale Boetcher
Vice President

Ronald Caldwell
Vice President

Joseph Cardwell
Vice President

Philip Casparius
Vice President

David Dineen
Vice President

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Michael Durbin
Vice President

Sheila Finnerty            Vice President of Morgan Stanley Dean Witter Prime 
Vice President             Income Trust.

Jeffrey D. Geffen
Vice President

Sandra Gelpieryn
Vice President

Michael Geringer
Vice President

Ellen Gold
Vice President

Stephen Greenhut
Vice President

Peter W. Gurman
Vice President

Matthew Haynes            Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Peter Hermann             Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Elizabeth Hinchman
Vice President

David Hoffman
Vice President

Christopher Jones
Vice President

Kevin Jung
Vice President

Carol Espejo Kane
Vice President

Michelle Kaufman          Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Paula LaCosta             Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Thomas Lawlor
Vice President

Gerard J. Lian            Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Nancy Login
Vice President

Steven MacNamara
Vice President

Catherine Maniscalco      Vice President of Morgan Stanley Dean Witter Natural
Vice President            Resource Development Securities Inc.

Albert McGarity
Vice President

Teresa McRoberts          Vice President of Morgan Stanley Dean Witter S&P 500
Vice President            Select Fund

Mark Mitchell
Vice President

Julie Morrone
Vice President

Mary Beth Mueller
Vice President

David Myers               Vice President of Morgan Stanley Dean Witter Natural
Vice President            Resource Development Securities Inc.

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Richard Norris
Vice President

George Paoletti           Vice President of Morgan Stanley Dean Witter 
Vice President            Information Fund.

Anne Pickrell             Vice President of various  Morgan Stanley Dean Witter
Vice President            Funds.

John Roscoe
Vice President

Hugh Rose
Vice President

Robert Rossetti           Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Carl F. Sadler
Vice President

Deborah Santaniello
Vice President

Howard A. Schloss         Vice President of Morgan Stanley Dean Witter Federal
Vice President            Securities Trust.

Peter J. Seeley           Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

Robert Stearns
Vice President

Naomi Stein
Vice President

Michael Strayhorn
Vice President

Kathleen H. Stromberg     Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

<PAGE>

NAME AND POSITION WITH    OTHER SUBSTANTIAL BUSINESS, PROFESSION, VOCATION 
MORGAN STANLEY DEAN       OR EMPLOYMENT, INCLUDING NAME, PRINCIPAL ADDRESS
WITTER ADVISORS INC.      AND NATURE OF CONNECTION
- -----------------------   -----------------------------------------------------

Marybeth Swisher
Vice President

Robert Vanden Assem
Vice President

Alice Weiss               Vice President of various Morgan Stanley Dean Witter
Vice President            Funds.

John Wong
Vice President


Item 27.   PRINCIPAL UNDERWRITERS

(a) Morgan Stanley Dean Witter Distributors Inc. ("MSDW Distributors"), a
Delaware corporation, is the principal underwriter of the Registrant. MSDW
Distributors is also the principal underwriter of the following investment
companies:

(1)    Active Assets California Tax-Free Trust
(2)    Active Assets Government Securities Trust
(3)    Active Assets Money Trust
(4)    Active Assets Tax-Free Trust
(5)    Morgan Stanley Dean Witter Aggressive Equity Fund
(6)    Morgan Stanley Dean Witter American Value Fund
(7)    Morgan Stanley Dean Witter Balanced Growth Fund
(8)    Morgan Stanley Dean Witter Balanced Income Fund
(9)    Morgan Stanley Dean Witter California Tax-Free Daily Income Trust
(10)   Morgan Stanley Dean Witter California Tax-Free Income Fund
(11)   Morgan Stanley Dean Witter Capital Appreciation Fund
(12)   Morgan Stanley Dean Witter Capital Growth Securities
(13)   Morgan Stanley Dean Witter Competitive Edge Fund, "BEST IDEAS PORTFOLIO"
(14)   Morgan Stanley Dean Witter Convertible Securities Trust
(15)   Morgan Stanley Dean Witter Developing Growth Securities Trust
(16)   Morgan Stanley Dean Witter Diversified Income Trust
(17)   Morgan Stanley Dean Witter Dividend Growth Securities Inc.
(18)   Morgan Stanley Dean Witter Equity Fund
(19)   Morgan Stanley Dean Witter European Growth Fund Inc.
(20)   Morgan Stanley Dean Witter Federal Securities Trust
(21)   Morgan Stanley Dean Witter Financial Services Trust
(22)   Morgan Stanley Dean Witter Fund of Funds
(23)   Morgan Stanley Dean Witter Global Dividend Growth Securities
(24)   Morgan Stanley Dean Witter Global Short-Term Income Fund Inc.
(25)   Morgan Stanley Dean Witter Global Utilities Fund
(26)   Morgan Stanley Dean Witter Growth Fund
(27)   Morgan Stanley Dean Witter Hawaii Municipal Trust

<PAGE>

(28)   Morgan Stanley Dean Witter Health Sciences Trust
(29)   Morgan Stanley Dean Witter High Yield Securities Inc.
(30)   Morgan Stanley Dean Witter Income Builder Fund
(31)   Morgan Stanley Dean Witter Information Fund
(32)   Morgan Stanley Dean Witter Intermediate Income Securities
(33)   Morgan Stanley Dean Witter International SmallCap Fund
(34)   Morgan Stanley Dean Witter Japan Fund
(35)   Morgan Stanley Dean Witter Limited Term Municipal Trust
(36)   Morgan Stanley Dean Witter Liquid Asset Fund Inc.
(37)   Morgan Stanley Dean Witter Market Leader Trust
(38)   Morgan Stanley Dean Witter Mid-Cap Dividend Growth Securities
(39)   Morgan Stanley Dean Witter Mid-Cap Growth Fund
(40)   Morgan Stanley Dean Witter Multi-State Municipal Series Trust
(41)   Morgan Stanley Dean Witter Natural Resource Development Securities Inc.
(42)   Morgan Stanley Dean Witter New York Municipal Money Market Trust
(43)   Morgan Stanley Dean Witter New York Tax-Free Income Fund
(44)   Morgan Stanley Dean Witter Pacific Growth Fund Inc.
(45)   Morgan Stanley Dean Witter Precious Metals and Minerals Trust
(46)   Morgan Stanley Dean Witter Prime Income Trust
(47)   Morgan Stanley Dean Witter S&P 500 Index Fund
(48)   Morgan Stanley Dean Witter S&P 500 Select Fund
(49)   Morgan Stanley Dean Witter Short-Term Bond Fund
(50)   Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust

(51)   Morgan Stanley Dean Witter Special Value Fund
(52)   Morgan Stanley Dean Witter Strategist Fund
(53)   Morgan Stanley Dean Witter Tax-Exempt Securities Trust
(54)   Morgan Stanley Dean Witter Tax-Free Daily Income Trust
(55)   Morgan Stanley Dean Witter U.S. Government Money Market Trust
(56)   Morgan Stanley Dean Witter U.S. Government Securities Trust
(57)   Morgan Stanley Dean Witter Utilities Fund
(58)   Morgan Stanley Dean Witter Value-Added Market Series
(59)   Morgan Stanley Dean Witter Value Fund
(60)   Morgan Stanley Dean Witter Variable Investment Series
(61)   Morgan Stanley Dean Witter World Wide Income Trust
(1)    TCW/DW Emerging Markets Opportunities Trust
(2)    TCW/DW Global Telecom Trust
(3)    TCW/DW Income and Growth
(4)    TCW/DW Latin American Growth Fund
(5)    TCW/DW Mid-Cap Equity Trust
(6)    TCW/DW North American Government Income Trust
(7)    TCW/DW Small Cap Growth Fund
(8)    TCW/DW Total Return Trust

<PAGE>

(b)  The following information is given regarding directors and officers of 
MSDW Distributors not listed in Item 28 above.  The principal address of MSDW 
Distributors is Two World Trade Center, New York, New York 10048.  Other than 
Mr. Purcell, who is a Trustee of the Registrant, none of the following 
persons has any position or office with the Registrant.

Name                Positions and Office with MSDW Distributors
- ----                -------------------------------------------

Christine Edwards   Executive Vice President, Secretary, Director and Chief
                    Legal Officer.

Michael T. Gregg    Vice President and Assistant Secretary.

James F. Higgins    Director

Fredrick K. Kubler  Senior Vice President, Assistant Secretary and Chief
                    Compliance Officer.

Philip J. Purcell   Director

John Schaeffer      Director

Charles Vidala      Senior Vice President and Financial Principal


Item 28.  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 are
maintained by the Investment Manager at its offices, except records relating to
holders of shares issued by the Registrant, which are maintained by the
Registrant's Transfer Agent, at its place of business as shown in the
prospectus.

Item 29.  MANAGEMENT SERVICES

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

Item 30.  UNDERTAKINGS

     None

<PAGE>
                                     SIGNATURES

     Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant certifies that it has duly caused
this Post-Effective Amendment to the Registration Statement to be signed on its
behalf by the undersigned, thereunto duly authorized, in the City of New York
and State of New York on the 26th day of February, 1999.

                                     MORGAN STANLEY DEAN WITTER

                                     NEW YORK MUNICIPAL MONEY MARKET TRUST

                                     By  /s/ Barry Fink
                                        -------------------------------
                                        Barry Fink
                                        Vice President and Secretary

     Pursuant to the requirements of the Securities Act of 1933, this
Post-Effective Amendment No. 10 has been signed below by the following persons
in the capacities and on the dates indicated.

     Signatures                      Title                            Date
     ----------                      -----                            ----
(1) Principal Executive Officer      President, Chief
                                     Executive Officer,
                                     Trustee and Chairman
By  /s/ Charles A. Fiumefreddo                                        02/26/99
    --------------------------
        Charles A. Fiumefreddo

(2) Principal Financial Officer      Treasurer and Principal
                                     Accounting Officer

By  /s/ Thomas F. Caloia                                              02/26/99
    --------------------------
        Thomas F. Caloia

(3) Majority of the Trustees

    Charles A. Fiumefreddo (Chairman)
    Philip J. Purcell

By  /s/ Barry Fink                                                    02/26/99
    --------------------------
        Barry Fink
        Attorney-in-Fact

    Michael Bozic                    Manuel H. Johnson
    Edwin J. Garn                    Michael E. Nugent
    John R. Haire                    John L. Schroeder
    Wayne E. Hedien

By  /s/David M. Butowsky                                              02/26/99
    --------------------------
       David M. Butowsky
       Attorney-in-Fact

<PAGE>

                                    EXHIBIT INDEX


     1.   Form of Amendment to the Declaration of Trust of the Registrant.

     2.   Amended and Restated By-Laws of the Registrant dated January 28, 1999.

     4.   Form of Amended Investment Management Agreement between the Registrant
          and Morgan Stanley Dean Witter Advisors Inc.

  8(a).   Form of Amended and Restated Transfer Agency and Service Agreement
          between the Registrant and Morgan Stanley Dean Witter Trust FSB

  8(b).   Form of Amended Services Agreement between Morgan Stanley Dean Witter
          Advisors Inc. and Morgan Stanley Dean Witter Services Company Inc.

    10.   Consent of Independent Accountants

    14.   Financial Data Schedule

<PAGE>


                                    CERTIFICATE


     The undersigned hereby certifies that he is the Secretary of Dean Witter
New York Municipal Money Market Trust (the "Trust"), an unincorporated business
trust organized under the laws of the Commonwealth of Massachusetts, that
annexed hereto is an Amendment to the Declaration of Trust of the Trust adopted
by the Trustees of the Trust on April 30, 1998 as provided in Section 9.3 of the
said Declaration, said Amendment to take effect on June 22, 1998, and I do
hereby further certify that such amendment has not been amended and is on the
date hereof in full force and effect.

     Dated this 22nd day of June, 1998.




                                   -----------------------------------
                                   Barry Fink
                                   Secretary



<PAGE>

                                     AMENDMENT




Dated:              June 22, 1998

To be Effective:    June 22, 1998





                                         TO

                 DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET TRUST

                                DECLARATION OF TRUST

                                       DATED

                                 DECEMEBER 27, 1989

<PAGE>



     Amendment dated June 22, 1998 to the Declaration of Trust
(the "Declaration") of Dean Witter New York Municipal Money Market Trust
(the "Trust") dated December 27, 1989


     WHEREAS, the Trust was established by the Declaration on the date
hereinabove set forth under the laws of the Commonwealth of Massachusetts; and

     WHEREAS, the Trustees of the Trust have deemed it advisable to change the
name of the Trust to "Morgan Stanley Dean Witter New York Municipal Money Market
Trust," such change to be effective on June 22,1998;

NOW, THEREFORE:

     1.  Section 1.1 of Article I of the Declaration is hereby amended so that
that Section shall read in its entirety as follows:

          "Section 1.1  NAME.  The name of the Trust created hereby is the
          Morgan Stanley Dean Witter New York Municipal Money Market Trust and
          so far as may be practicable the Trustees shall conduct the Trust's
          activities, execute all documents and sue or be sued under that name,
          which name (and the word "Trust" whenever herein used) shall refer to
          the Trustees as Trustees, and not as individuals, or personally, and
          shall not refer to the officers, agents, employees or Shareholders of
          the Trust.  Should the Trustees determine that the use of such name is
          not advisable, they may use such other name for the Trust as they deem
          proper and the Trust may hold its property and conduct its activities
          under such other name."

     2.  Subsection (o) of Section 1.2 of Article I of the Declaration is hereby
amended so that that Subsection shall read in its entirety as follows:

          "Section 1.2  DEFINITIONS...

          "(o) "TRUST" means the Morgan Stanley Dean Witter New York Municipal
          Money Market Trust."

     3.  Section 11.7 of Article XI of the Declaration is hereby amended so that
that Section shall read as follows:

          "Section 11.7   USE OF THE NAME "MORGAN STANLEY DEAN WITTER."  Morgan
          Stanley Dean Witter & Co. ("MSDW") has consented to the use by the
          Trust of the identifying name "Morgan Stanley Dean Witter," which is a
          property right of MSDW.  The Trust will only use


<PAGE>

          the name "Morgan Stanley Dean Witter" as a component of its name and
          for no other purpose, and will not purport to grant to any third party
          the right to use the name "Morgan Stanley Dean Witter" for any
          purpose.  MSDW, or any corporate affiliate of MSDW, may use or grant
          to others the right to use the name "Morgan Stanley Dean Witter," or
          any combination or abbreviation thereof, as all or a portion of a
          corporate or business name or for any commercial purpose, including a
          grant of such right to any other investment company.  At the request
          of MSDW or any corporate affiliate of MSDW, the Trust will take such
          action as may be required to provide its consent to the use of the
          name "Morgan Stanley Dean Witter," or any combination or abbreviation
          thereof, by MSDW or any corporate affiliate of MSDW, or by any person
          to whom MSDW or a corporate affiliate of MSDW shall have granted the
          right to such use.  Upon the termination of any investment advisory
          agreement into which a corporate affiliate of MSDW and the Trust may
          enter, the Trust shall, upon request of MSDW or any corporate
          affiliate of MSDW, cease to use the name "Morgan Stanley Dean Witter"
          as a component of its name, and shall not use the name, or any
          combination or abbreviation thereof, as part of its name or for any
          other commercial purpose, and shall cause its officers, Trustees and
          Shareholders to take any and all actions which MSDW or any corporate
          affiliate of MSDW may request to effect the foregoing and to reconvey
          to MSDW any and all rights to such name."

     4.  The Trustees of the Trust hereby reaffirm the Declaration, as amended,
in all respects.

     5.  This Amendment may be executed in more than one counterpart, each of
which shall be deemed an original, but all of which together shall constitute
one and the same document.



<PAGE>

  IN WITNESS WHEREOF, the undersigned, the Trustees of the Trust, have executed
this instrument this 22nd day of June, 1998.


/s/ Michael Bozic                    /s/ Manuel H. Johnson
- -----------------------------------  --------------------------------------
Michael Bozic, as Trustee            Manuel H. Johnson, as Trustee
and not individually                 and not individually
c/o Levitz Furniture Corp.  Inc.     c/o Johnson Smick International
6111 Broken Sound Parkway, NW        1133 Connecticut Avenue, NW
Boca Raton, FL  33487                Washington, D.C.  20036



/s/ Charles A. Fiumefreddo           /s/ Michael E. Nugent
- -----------------------------------  --------------------------------------
Charles A. Fiumefreddo, as Trustee   Michael E. Nugent, as Trustee
and not individually                 and not individually
Two World Trade Center               c/o Triumph Capital, L.P.
New York, NY  10048                  237 Park Avenue
                                     New York, NY  10017



/s/ Edwin J. Garn                    /s/ Philip J. Purcell
- -----------------------------------  --------------------------------------
Edwin J. Garn, as Trustee            Philip J. Purcell, as Trustee
and not individually                 and not individually
c/o Huntsman Corporation             1585 Broadway
500 Huntsman Way                     New York, NY  10036
Salt Lake City, UT  84111



/s/ John R. Haire                    /s/ John L. Schroeder
- -----------------------------------  --------------------------------------
John R. Haire, as Trustee            John L. Schroeder, as Trustee
and not individually                 and not individually
Two World Trade Center               c/o Gordon Altman Butowsky Weitzen
New York, NY  10048                    Shalov & Wein
                                     Counsel to the Independent Trustees
                                     114 West 47th Street
                                     New York, NY 10036
/s/ Wayne E. Hedien
- -----------------------------------
Wayne E. Hedien, as Trustee
and not individually
c/o Gordon Altman Butowsky Weitzen
  Shalov & Wein
Counsel to the Independent Trustees
114 West 47th Street
New York, NY  10036

<PAGE>

STATE OF NEW YORK   )
                    )ss.:
COUNTY OF NEW YORK  )


On this 22nd day of June, 1998, MICHAEL BOZIC, CHARLES A. FIUMEFREDDO, EDWIN J.
GARN, JOHN R. HAIRE, WAYNE E. HEDIEN, MANUEL H. JOHNSON, MICHAEL E. NUGENT,
PHILIP J. PURCELL and JOHN L. SCHROEDER, known to me to be the individuals
described in and who executed the foregoing instrument, personally appeared
before me and they severally acknowledged the foregoing instrument to be their
free act and deed.





                                                  /s/ Marilyn K. Cranney
                                                  ----------------------
                                                            Notary Public


MARILYN K. CRANNEY
NOTARY PUBLIC, State of New York
No. 24-4795538
Qualified in Kings County
Commission Expires May 31, 1999



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                                    BY-LAWS


                                       OF


                 MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL
                               MONEY MARKET TRUST

                  AMENDED AND RESTATED AS OF JANUARY 28, 1999


                                   ARTICLE I

                                  DEFINITIONS

     The terms "COMMISSION," "DECLARATION," "DISTRIBUTOR," "INVESTMENT
ADVISER," "MAJORITY SHAREHOLDER VOTE," "1940 ACT," "SHAREHOLDER," "SHARES,"
"TRANSFER AGENT," "TRUST," "TRUST PROPERTY," and "TRUSTEES" have the respective
meanings given them in the Declaration of Trust of Morgan Stanley Dean Witter
New York Municipal Money Market Trust dated December 27, 1989, as amended from
time to time.


                                   ARTICLE II

                                    OFFICES

     SECTION 2.1. PRINCIPAL OFFICE. Until changed by the Trustees, the
principal office of the Trust in the Commonwealth of Massachusetts shall be in
the City of Boston, County of Suffolk.

     SECTION 2.2. OTHER OFFICES. In addition to its principal office in the
Commonwealth of Massachusetts, the Trust may have an office or offices in the
City of New York, State of New York, and at such other places within and
without the Commonwealth as the Trustees may from time to time designate or the
business of the Trust may require.


                                  ARTICLE III

                            SHAREHOLDERS' MEETINGS

     SECTION 3.1. PLACE OF MEETINGS. Meetings of Shareholders shall be held at
such place, within or without the Commonwealth of Massachusetts, as may be
designated from time to time by the Trustees.

     SECTION 3.2. MEETINGS. Meetings of Shareholders of the Trust shall be held
whenever called by the Trustees or the President of the Trust and whenever
election of a Trustee or Trustees by Shareholders is required by the provisions
of Section 16(a) of the 1940 Act, for that purpose. Meetings of Shareholders
shall also be called by the Secretary upon the written request of the holders
of Shares entitled to vote not less than twenty-five percent (25%) of all the
votes entitled to be cast at such meeting, except to the extent otherwise
required by Section 16(c) of the 1940 Act, as made applicable to the Trust by
the provisions of Section 2.3 of the Declaration, the Secretary shall inform
such Shareholders of the reasonable estimated cost of preparing and mailing
such notice of the meeting, and upon payment to the Trust of such costs, the
Secretary shall give notice stating the purpose or purposes of the meeting to
all entitled to vote at such meeting. No meeting need be called upon the
request of the holders of Shares entitled to cast less than a majority of all
votes entitled to be cast at such meeting, to consider any matter which is
substantially the same as a matter voted upon at any meeting of Shareholders
held during the preceding twelve months.

     SECTION 3.3. NOTICE OF MEETINGS. Written or printed notice of every
Shareholders' meeting stating the place, date, and purpose or purposes thereof,
shall be given by the Secretary not less than ten (10) nor more than ninety
(90) days before such meeting to each Shareholder entitled to vote at such
meeting. Such notice shall be deemed to be given when deposited in the United
States mail, postage prepaid, directed to the Shareholder at his address as it
appears on the records of the Trust.

     SECTION 3.4. QUORUM AND ADJOURNMENT OF MEETINGS. Except as otherwise
provided by law, by the Declaration or by these By-Laws, at all meetings of
Shareholders, the holders of a majority of the Shares

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issued and outstanding and entitled to vote thereat, present in person or
represented by proxy, shall be requisite and shall constitute a quorum for the
transaction of business. In the absence of a quorum, the Shareholders present
or represented by proxy and entitled to vote thereat shall have the power to
adjourn the meeting from time to time. The Shareholders present in person or
represented by proxy at any meeting and entitled to vote thereat also shall
have the power to adjourn the meeting from time to time if the vote required to
approve or reject any proposal described in the original notice of such meeting
is not obtained (with proxies being voted for or against adjournment consistent
with the votes for and against the proposal for which the required vote has not
been obtained). The affirmative vote of the holders of a majority of the Shares
then present in person or represented by proxy shall be required to adjourn any
meeting. Any adjourned meeting may be reconvened without further notice or
change in record date. At any reconvened meeting at which a quorum shall be
present, any business may be transacted that might have been transacted at the
meeting as originally called.


     SECTION 3.5. VOTING RIGHTS, PROXIES. At each meeting of Shareholders, each
holder of record of Shares entitled to vote thereat shall be entitled to one
vote in person or by proxy for each Share of beneficial interest of the Trust
and for the fractional portion of one vote for each fractional Share entitled
to vote so registered in his or her name on the records of the Trust on the
date fixed as the record date for the determination of Shareholders entitled to
vote at such meeting. Without limiting the manner in which a Shareholder may
authorize another person or persons to act for such Shareholder as proxy
pursuant hereto, the following shall constitute a valid means by which a
Shareholder may grant such authority:

     (i) A Shareholder may execute a writing authorizing another person or
   persons to act for such Shareholder as proxy. Execution may be accomplished
   by the Shareholder or such Shareholder's authorized officer, director,
   employee, attorney-in-fact or another agent signing such writing or causing
   such person's signature to be affixed to such writing by any reasonable
   means including, but not limited to, by facsimile or telecopy signature. No
   written evidence of authority of a Shareholder's authorized officer,
   director, employee, attorney-in-fact or other agent shall be required; and

     (ii) A Shareholder may authorize another person or persons to act for
   such Shareholder as proxy by transmitting or authorizing the transmission
   of a telegram or cablegram or by other means of telephonic, electronic or
   computer transmission to the person who will be the holder of the proxy or
   to a proxy solicitation firm, proxy support service organization or like
   agent duly authorized by the person who will be the holder of the proxy to
   receive such transmission, provided that any such telegram or cablegram or
   other means of telephonic, electronic or computer transmission must either
   set forth or be submitted with information from which it can be determined
   that the telegram, cablegram or other transmission was authorized by the
   Shareholder.

No proxy shall be valid after eleven months from its date, unless otherwise
provided in the proxy. At all meetings of Shareholders, unless the voting is
conducted by inspectors, all questions relating to the qualification of voters
and the validity of proxies and the acceptance or rejection of votes shall be
decided by the chairman of the meeting. In determining whether a telegram,
cablegram or other electronic transmission is valid, the chairman or inspector,
as the case may be, shall specify the information upon which he or she relied.
Pursuant to a resolution of a majority of the Trustees, proxies may be
solicited in the name of one or more Trustees or Officers of the Trust. Proxy
solicitations may be made in writing or by using telephonic or other electronic
solicitation procedures that include appropriate methods of verifying the
identity of the Shareholder and confirming any instructions given thereby.

     SECTION 3.6. VOTE REQUIRED. Except as otherwise provided by law, by the
Declaration of Trust, or by these By-Laws, at each meeting of Shareholders at
which a quorum is present, all matters shall be decided by Majority Shareholder
Vote.

     SECTION 3.7. INSPECTORS OF ELECTION. In advance of any meeting of
Shareholders, the Trustees may appoint Inspectors of Election to act at the
meeting or any adjournment thereof. If Inspectors of Election are not so
appointed, the chairman of any meeting of Shareholders may, and on the request
of any Shareholder or his proxy shall, appoint Inspectors of Election of the
meeting. In case any person appointed as Inspector fails to appear or fails or
refuses to act, the vacancy may be filled by appointment


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made by the Trustees in advance of the convening of the meeting or at the
meeting by the person acting as chairman. The Inspectors of Election shall
determine the number of Shares outstanding, the Shares represented at the
meeting, the existence of a quorum, the authenticity, validity and effect of
proxies, shall receive votes, ballots or consents, shall hear and determine all
challenges and questions in any way arising in connection with the right to
vote, shall count and tabulate all votes or consents, determine the results,
and do such other acts as may be proper to conduct the election or vote with
fairness to all Shareholders. On request of the chairman of the meeting, or of
any Shareholder or his proxy, the Inspectors of Election shall make a report in
writing of any challenge or question or matter determined by them and shall
execute a certificate of any facts found by them.

     SECTION 3.8. INSPECTION OF BOOKS AND RECORDS. Shareholders shall have such
rights and procedures of inspection of the books and records of the Trust as
are granted to Shareholders under Section 32 of the Business Corporation Law
of the Commonwealth of Massachusetts.

     SECTION 3.9. ACTION BY SHAREHOLDERS WITHOUT MEETING. Except as otherwise
provided by law, the provisions of these By-Laws relating to notices and
meetings to the contrary notwithstanding, any action required or permitted to
be taken at any meeting of Shareholders may be taken without a meeting if a
majority of the Shareholders entitled to vote upon the action consent to the
action in writing and such consents are filed with the records of the Trust.
Such consent shall be treated for all purposes as a vote taken at a meeting of
Shareholders.

     SECTION 3.10. PRESENCE AT MEETINGS. Presence at meetings of shareholders
requires physical attendance by the shareholder or his or her proxy at the
meeting site and does not encompass attendance by telephonic or other
electronic means.


                                   ARTICLE IV

                                   TRUSTEES

     SECTION 4.1. MEETINGS OF THE TRUSTEES. The Trustees may in their
discretion provide for regular or special meetings of the Trustees. Regular
meetings of the Trustees may be held at such time and place as shall be
determined from time to time by the Trustees without further notice. Special
meetings of the Trustees may be called at any time by the President and shall
be called by the President or the Secretary upon the written request of any two
(2) Trustees.

     SECTION 4.2. NOTICE OF SPECIAL MEETINGS. Written notice of special
meetings of the Trustees, stating the place, date and time thereof, shall be
given not less than two (2) days before such meeting to each Trustee,
personally, by telegram, by mail, or by leaving such notice at his place of
residence or usual place of business. If mailed, such notice shall be deemed to
be given when deposited in the United States mail, postage prepaid, directed to
the Trustee at his address as it appears on the records of the Trust. Subject
to the provisions of the 1940 Act, notice or waiver of notice need not specify
the purpose of any special meeting.

     SECTION 4.3. TELEPHONE MEETINGS. Subject to the provisions of the 1940
Act, any Trustee, or any member or members of any committee designated by the
Trustees, may participate in a meeting of the Trustees, or any such committee,
as the case may be, by means of a conference telephone or similar
communications equipment if all persons participating in the meeting can hear
each other at the same time. Participation in a meeting by these means
constitutes presence in person at the meeting.

     SECTION 4.4. QUORUM, VOTING AND ADJOURNMENT OF MEETINGS. At all meetings
of the Trustees, a majority of the Trustees shall be requisite to and shall
constitute a quorum for the transaction of business. If a quorum is present,
the affirmative vote of a majority of the Trustees present shall be the act of
the Trustees, unless the concurrence of a greater proportion is expressly
required for such action by law, the Declaration or these By-Laws. If at any
meeting of the Trustees there be less than a quorum present, the Trustees
present thereat may adjourn the meeting from time to time, without notice other
than announcement at the meeting, until a quorum shall have been obtained.

     SECTION 4.5. ACTION BY TRUSTEES WITHOUT MEETING. The provisions of these
By-Laws covering notices and meetings to the contrary notwithstanding, and
except as required by law, any action required


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or permitted to be taken at any meeting of the Trustees may be taken without a
meeting if a consent in writing setting forth the action shall be signed by all
of the Trustees entitled to vote upon the action and such written consent is
filed with the minutes of proceedings of the Trustees.

     SECTION 4.6. EXPENSES AND FEES. Each Trustee may be allowed expenses, if
any, for attendance at each regular or special meeting of the Trustees, and
each Trustee who is not an officer or employee of the Trust or of its
investment manager or underwriter or of any corporate affiliate of any of said
persons shall receive for services rendered as a Trustee of the Trust such
compensation as may be fixed by the Trustees. Nothing herein contained shall be
construed to preclude any Trustee from serving the Trust in any other capacity
and receiving compensation therefor.

     SECTION 4.7.  EXECUTION OF INSTRUMENTS AND DOCUMENTS AND SIGNING OF CHECKS
AND OTHER OBLIGATIONS AND TRANSFERS. All instruments, documents and other
papers shall be executed in the name and on behalf of the Trust and all checks,
notes, drafts and other obligations for the payment of money by the Trust shall
be signed, and all transfer of securities standing in the name of the Trust
shall be executed, by the Chairman, the President, any Vice President or the
Treasurer or by any one or more officers or agents of the Trust as shall be
designated for that purpose by vote of the Trustees; notwithstanding the above,
nothing in this Section 4.7 shall be deemed to preclude the electronic
authorization, by designated persons, of the Trust's Custodian (as described
herein in Section 9.1) to transfer assets of the Trust, as provided for herein
in Section 9.1.

     SECTION 4.8. INDEMNIFICATION OF TRUSTEES, OFFICERS, EMPLOYEES AND
AGENTS. (a) The Trust shall indemnify any person who was or is a party or is
threatened to be made a party to any threatened, pending, or completed action,
suit or proceeding, whether civil, criminal, administrative or investigative
(other than an action by or in the right of the Trust) by reason of the fact
that he is or was a Trustee, officer, employee, or agent of the Trust. The
indemnification shall be against expenses, including attorneys' fees,
judgments, fines, and amounts paid in settlement, actually and reasonably
incurred by him in connection with the action, suit, or proceeding, if he acted
in good faith and in a manner he reasonably believed to be in or not opposed to
the best interests of the Trust, and, with respect to any criminal action or
proceeding, had no reasonable cause to believe his conduct was unlawful. The
termination of any action, suit or proceeding by judgment, order, settlement,
conviction, or upon a plea of nolo contendere or its equivalent, shall not, of
itself, create a presumption that the person did not act in good faith and in a
manner which he reasonably believed to be in or not opposed to the best
interests of the Trust, and, with respect to any criminal action or proceeding,
had reasonable cause to believe that his conduct was unlawful.

     (b) The Trust shall indemnify any person who was or is a party or is
threatened to be made a party to any threatened, pending or completed action or
suit by or on behalf of the Trust to obtain a judgment or decree in its favor
by reason of the fact that he is or was a Trustee, officer, employee, or agent
of the Trust. The indemnification shall be against expenses, including
attorneys' fees actually and reasonably incurred by him in connection with the
defense or settlement of the action or suit, if he acted in good faith and in a
manner he reasonably believed to be in or not opposed to the best interests of
the Trust; except that no indemnification shall be made in respect of any
claim, issue, or matter as to which the person has been adjudged to be liable
for negligence or misconduct in the performance of his duty to the Trust,
except to the extent that the court in which the action or suit was brought, or
a court of equity in the county in which the Trust has its principal office,
determines upon application that, despite the adjudication of liability but in
view of all circumstances of the case, the person is fairly and reasonably
entitled to indemnity for those expenses which the court shall deem proper,
provided such Trustee, officer, employee or agent is not adjudged to be liable
by reason of his willful misfeasance, bad faith, gross negligence or reckless
disregard of the duties involved in the conduct of his office.

     (c) To the extent that a Trustee, officer, employee, or agent of the Trust
has been successful on the merits or otherwise in defense of any action, suit
or proceeding referred to in subsection (a) or (b) or in defense of any claim,
issue or matter therein, he shall be indemnified against expenses, including
attorneys' fees, actually and reasonably incurred by him in connection
therewith.


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    (d) (1) Unless a court orders otherwise, any indemnification under
subsections (a) or (b) of this section may be made by the Trust only as
authorized in the specific case after a determination that indemnification of
the Trustee, officer, employee, or agent is proper in the circumstances because
he has met the applicable standard of conduct set forth in subsections (a) or
(b).

        (2) The determination shall be made:

            (i) By the Trustees, by a majority vote of a quorum which consists
    of Trustees who were not parties to the action, suit or proceeding; or

            (ii) If the required quorum is not obtainable, or if a quorum of
    disinterested Trustees so directs, by independent legal counsel in a
    written opinion; or

            (iii) By the Shareholders.

        (3) Notwithstanding any provision of this Section 4.8, no person shall
    be entitled to indemnification for any liability, whether or not there is
    an adjudication of liability, arising by reason of willful misfeasance,
    bad faith, gross negligence, or reckless disregard of duties as described
    in Section 17(h) and (i) of the Investment Company Act of 1940 ("disabling
    conduct"). A person shall be deemed not liable by reason of disabling
    conduct if, either:

            (i) a final decision on the merits is made by a court or other body
    before whom the proceeding was brought that the person to be indemnified
    ("indemnitee") was not liable by reason of disabling conduct; or

            (ii) in the absence of such a decision, a reasonable determination,
    based upon a review of the facts, that the indemnitee was not liable by
    reason of disabling conduct, is made by either--

                 (A) a majority of a quorum of Trustees who are neither
            "interested persons" of the Trust, as defined in Section 2(a)(19)
            of the Investment Company Act of 1940, nor parties to the action,
            suit or proceeding, or

                 (B) an independent legal counsel in a written opinion.

    (e) Expenses, including attorneys' fees, incurred by a Trustee, officer,
employee or agent of the Trust in defending a civil or criminal action, suit or
proceeding may be paid by the Trust in advance of the final disposition thereof
if:

        (1) authorized in the specific case by the Trustees; and

        (2) the Trust receives an undertaking by or on behalf of the Trustee,
    officer, employee or agent of the Trust to repay the advance if it is not
    ultimately determined that such person is entitled to be indemnified by
    the Trust; and

        (3) either, (i) such person provides a security for his undertaking,
or

            (ii) the Trust is insured against losses by reason of any lawful
        advances, or

            (iii) a determination, based on a review of readily available facts,
        that there is reason to believe that such person ultimately will be
        found entitled to indemnification, is made by either--

                 (A) a majority of a quorum which consists of Trustees who are
            neither "interested persons" of the Trust, as defined in Section
            2(a)(19) of the 1940 Act, nor parties to the action, suit or
            proceeding, or

              (B) an independent legal counsel in a written opinion.

    (f) The indemnification provided by this Section shall not be deemed
exclusive of any other rights to which a person may be entitled under any
by-law, agreement, vote of Shareholders or disinterested Trustees or otherwise,
both as to action in his official capacity and as to action in another capacity
while holding the office, and shall continue as to a person who has ceased to
be a Trustee, officer, employee, or agent and inure to the benefit of the
heirs, executors and administrators of such person; provided that no


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person may satisfy any right of indemnity or reimbursement granted herein or to
which he may be otherwise entitled except out of the property of the Trust, and
no Shareholder shall be personally liable with respect to any claim for
indemnity or reimbursement or otherwise.

     (g) The Trust may purchase and maintain insurance on behalf of any person
who is or was a Trustee, officer, employee, or agent of the Trust, against any
liability asserted against him and incurred by him in any such capacity, or
arising out of his status as such. However, in no event will the Trust purchase
insurance to indemnify any officer or Trustee against liability for any act for
which the Trust itself is not permitted to indemnify him.

     (h) Nothing contained in this Section shall be construed to protect any
Trustee or officer of the Trust against any liability to the Trust or to its
security holders to which he would otherwise be subject by reason of willful
misfeasance, bad faith, gross negligence or reckless disregard of the duties
involved in the conduct of his office.


                                   ARTICLE V

                                  COMMITTEES

     SECTION 5.1. EXECUTIVE AND OTHER COMMITTEES. The Trustees, by resolution
adopted by a majority of the Trustees, may designate an Executive Committee
and/or committees, each committee to consist of two (2) or more of the Trustees
of the Trust and may delegate to such committees, in the intervals between
meetings of the Trustees, any or all of the powers of the Trustees in the
management of the business and affairs of the Trust. In the absence of any
member of any such committee, the members thereof present at any meeting,
whether or not they constitute a quorum, may appoint a Trustee to act in place
of such absent member. Each such committee shall keep a record of its
proceedings.

     The Executive Committee and any other committee shall fix its own rules or
procedure, but the presence of at least fifty percent (50%) of the members of
the whole committee shall in each case be necessary to constitute a quorum of
the committee and the affirmative vote of the majority of the members of the
committee present at the meeting shall be necessary to take action.

     All actions of the Executive Committee shall be reported to the Trustees
at the meeting thereof next succeeding to the taking of such action.

     SECTION 5.2. ADVISORY COMMITTEE. The Trustees may appoint an advisory
committee which shall be composed of persons who do not serve the Trust in any
other capacity and which shall have advisory functions with respect to the
investments of the Trust but which shall have no power to determine that any
security or other investment shall be purchased, sold or otherwise disposed of
by the Trust. The number of persons constituting any such advisory committee
shall be determined from time to time by the Trustees. The members of any such
advisory committee may receive compensation for their services and may be
allowed such fees and expenses for the attendance at meetings as the Trustees
may from time to time determine to be appropriate.

     SECTION 5.3. COMMITTEE ACTION WITHOUT MEETING. The provisions of these
By-Laws covering notices and meetings to the contrary notwithstanding, and
except as required by law, any action required or permitted to be taken at any
meeting of any Committee of the Trustees appointed pursuant to Section 5.1 of
these By-Laws may be taken without a meeting if a consent in writing setting
forth the action shall be signed by all members of the Committee entitled to
vote upon the action and such written consent is filed with the records of the
proceedings of the Committee.


                                   ARTICLE VI

                                   OFFICERS

     SECTION 6.1. EXECUTIVE OFFICERS. The executive officers of the Trust shall
be a Chairman, a President, one or more Vice Presidents, a Secretary and a
Treasurer. The Chairman shall be selected from among the Trustees but none of
the other executive officers need be a Trustee. Two or more offices, except
those of President and any Vice President, may be held by the same person, but
no officer shall execute,


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acknowledge or verify any instrument in more than one capacity. The executive
officers of the Trust shall be elected annually by the Trustees and each
executive officer so elected shall hold office until his successor is elected
and has qualified.


     SECTION 6.2. OTHER OFFICERS AND AGENTS. The Trustees may also elect one or
more Assistant Vice Presidents, Assistant Secretaries and Assistant Treasurers
and may elect, or may delegate to the President the power to appoint, such
other officers and agents as the Trustees shall at any time or from time to
time deem advisable.


     SECTION 6.3. TERM AND REMOVAL AND VACANCIES. Each officer of the Trust
shall hold office until his successor is elected and has qualified. Any officer
or agent of the Trust may be removed by the Trustees whenever, in their
judgment, the best interests of the Trust will be served thereby, but such
removal shall be without prejudice to the contractual rights, if any, of the
person so removed.


     SECTION 6.4. COMPENSATION OF OFFICERS. The compensation of officers and
agents of the Trust shall be fixed by the Trustees, or by the President to the
extent provided by the Trustees with respect to officers appointed by the
President.


     SECTION 6.5. POWER AND DUTIES. All officers and agents of the Trust, as
between themselves and the Trust, shall have such authority and perform such
duties in the management of the Trust as may be provided in or pursuant to
these By-Laws, or to the extent not so provided, as may be prescribed by the
Trustees; provided, that no rights of any third party shall be affected or
impaired by any such By-Law or resolution of the Trustees unless he has
knowledge thereof.


     SECTION 6.6. THE CHAIRMAN. (a) The Chairman shall preside at all meetings
of the Shareholders and of the Trustees, shall be a signatory on all Annual and
Semi-Annual Reports as may be sent to shareholders, and he shall perform such
other duties as the Trustees may from time to time prescribe.


     SECTION 6.7. THE PRESIDENT. (a) The President shall be the chief executive
officer of the Trust; he shall have general and active management of the
business of the Trust, shall see that all orders and resolutions of the
Trustees are carried into effect, and in connection therewith, shall be
authorized to delegate to one or more Vice Presidents such of his powers and
duties at such times and in such manner as he may deem advisable.


     (b) In the absence of the Chairman, the President shall preside at all
meetings of the shareholders and the Board of Trustees; and he shall perform
such other duties as the Board of Trustees may from time to time prescribe.


     SECTION 6.8. THE VICE PRESIDENTS. The Vice Presidents shall be of such
number and shall have such titles as may be determined from time to time by the
Trustees. The Vice President, or, if there be more than one, the Vice
Presidents in the order of their seniority as may be determined from time to
time by the Trustees or the President, shall, in the absence or disability of
the President, exercise the powers and perform the duties of the President, and
he or they shall perform such other duties as the Trustees or the President may
from time to time prescribe.


     SECTION 6.9. THE ASSISTANT VICE PRESIDENTS. The Assistant Vice President,
or, if there be more than one, the Assistant Vice Presidents, shall perform
such duties and have such powers as may be assigned them from time to time by
the Trustees or the President.


     SECTION 6.10. THE SECRETARY. The Secretary shall attend all meetings of
the Trustees and all meetings of the Shareholders and record all the
proceedings of the meetings of the Shareholders and of the Trustees in a book
to be kept for that purpose, and shall perform like duties for the standing
committees when required. He shall give, or cause to be given, notice of all
meetings of the Shareholders and special meetings of the Trustees, and shall
perform such other duties and have such powers as the Trustees, or the
President, may from time to time prescribe. He shall keep in safe custody the
seal of the Trust and affix or cause the same to be affixed to any instrument
requiring it, and, when so affixed, it shall be attested by his signature or by
the signature of an Assistant Secretary.


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<PAGE>

     SECTION 6.11. THE ASSISTANT SECRETARIES. The Assistant Secretary, or, if
there be more than one, the Assistant Secretaries in the order determined by
the Trustees or the President, shall, in the absence or disability of the
Secretary, perform the duties and exercise the powers of the Secretary and
shall perform such duties and have such other powers as the Trustees or the
President may from time to time prescribe.

     SECTION 6.12. THE TREASURER. The Treasurer shall be the chief financial
officer of the Trust. He shall keep or cause to be kept full and accurate
accounts of receipts and disbursements in books belonging to the Trust, and he
shall render to the Trustees and the President, whenever any of them require
it, an account of his transactions as Treasurer and of the financial condition
of the Trust; and he shall perform such other duties as the Trustees, or the
President, may from time to time prescribe.

     SECTION 6.13. THE ASSISTANT TREASURERS. The Assistant Treasurer, or, if
there shall be more than one, the Assistant Treasurers in the order determined
by the Trustees or the President, shall, in the absence or disability of the
Treasurer, perform the duties and exercise the powers of the Treasurer and
shall perform such other duties and have such other powers as the Trustees, or
the President, may from time to time prescribe.

     SECTION 6.14. DELEGATION OF DUTIES. Whenever an officer is absent or
disabled, or whenever for any reason the Trustees may deem it desirable, the
Trustees may delegate the powers and duties of an officer or officers to any
other officer or officers or to any Trustee or Trustees.


                                  ARTICLE VII

                          DIVIDENDS AND DISTRIBUTIONS

     Subject to any applicable provisions of law and the Declaration, dividends
and distributions upon the Shares may be declared at such intervals as the
Trustees may determine, in cash, in securities or other property, or in Shares,
from any sources permitted by law, all as the Trustees shall from time to time
determine.

     Inasmuch as the computation of net income and net profits from the sales
of securities or other properties for federal income tax purposes may vary from
the computation thereof on the records of the Trust, the Trustees shall have
power, in their discretion, to distribute as income dividends and as capital
gain distributions, respectively, amounts sufficient to enable the Trust to
avoid or reduce liability for federal income taxes.


                                  ARTICLE VIII

                            CERTIFICATES OF SHARES

     SECTION 8.1. CERTIFICATES OF SHARES. Certificates for Shares of each
series or class of Shares shall be in such form and of such design as the
Trustees shall approve, subject to the right of the Trustees to change such
form and design at any time or from time to time, and shall be entered in the
records of the Trust as they are issued. Each such certificate shall bear a
distinguishing number; shall exhibit the holders' name and certify the number
of full Shares owned by such holder; shall be signed by or in the name of the
Trust by the President, or a Vice President, and countersigned by the Secretary
or an Assistant Secretary or the Treasurer and an Assistant Treasurer of the
Trust; shall be sealed with the seal; and shall contain such recitals as may be
required by law. Where any certificate is signed by a Transfer Agent or by a
Registrar, the signature of such officers and the seal may be facsimile,
printed or engraved. The Trust may, at its option, determine not to issue a
certificate or certificates to evidence Shares owned of record by any
Shareholder.

     In case any officer or officers who shall have signed, or whose facsimile
signature or signatures shall appear on, any such certificate or certificates
shall cease to be such officer or officers of the Trust, whether because of
death, resignation or otherwise, before such certificate or certificates shall
have been delivered by the Trust, such certificate or certificates shall,
nevertheless, be adopted by the Trust and be issued and delivered as though the
person or persons who signed such certificate or certificates or whose
facsimile signature or signatures shall appear therein had not ceased to be
such officer or officers of the Trust.


                                       8
<PAGE>

     No certificate shall be issued for any share until such share is fully
paid.


     SECTION 8.2. LOST, STOLEN, DESTROYED AND MUTILATED CERTIFICATES. The
Trustees may direct a new certificate or certificates to be issued in place of
any certificate or certificates theretofore issued by the Trust alleged to have
been lost, stolen or destroyed, upon satisfactory proof of such loss, theft, or
destruction; and the Trustees may, in their discretion, require the owner of
the lost, stolen or destroyed certificate, or his legal representative, to give
to the Trust and to such Registrar, Transfer Agent and/or Transfer Clerk as may
be authorized or required to countersign such new certificate or certificates,
a bond in such sum and of such type as they may direct, and with such surety or
sureties, as they may direct, as indemnity against any claim that may be
against them or any of them on account of or in connection with the alleged
loss, theft or destruction of any such certificate.


                                   ARTICLE IX

                                   CUSTODIAN


     SECTION 9.1. APPOINTMENT AND DUTIES. The Trust shall at times employ a
bank or trust company having capital, surplus and undivided profits of at least
five million dollars ($5,000,000) as custodian with authority as its agent, but
subject to such restrictions, limitations and other requirements, if any, as
may be contained in these By-Laws and the 1940 Act:


      (1) to receive and hold the securities owned by the Trust and deliver
    the same upon written or electronically transmitted order;


      (2) to receive and receipt for any moneys due to the Trust and deposit
    the same in its own banking department or elsewhere as the Trustees may
    direct;


      (3) to disburse such funds upon orders or vouchers;


all upon such basis of compensation as may be agreed upon between the Trustees
and the custodian. If so directed by a Majority Shareholder Vote, the custodian
shall deliver and pay over all property of the Trust held by it as specified in
such vote.


     The Trustees may also authorize the custodian to employ one or more
sub-custodians from time to time to perform such of the acts and services of
the custodian and upon such terms and conditions as may be agreed upon between
the custodian and such sub-custodian and approved by the Trustees.


     SECTION 9.2. CENTRAL CERTIFICATE SYSTEM. Subject to such rules,
regulations and orders as the Commission may adopt, the Trustees may direct the
custodian to deposit all or any part of the securities owned by the Trust in a
system for the central handling of securities established by a national
securities exchange or a national securities association registered with the
Commission under the Securities Exchange Act of 1934, or such other person as
may be permitted by the Commission, or otherwise in accordance with the 1940
Act, pursuant to which system all securities of any particular class or series
of any issuer deposited within the system are treated as fungible and may be
transferred or pledged by bookkeeping entry without physical delivery of such
securities, provided that all such deposits shall be subject to withdrawal only
upon the order of the Trust.


                                   ARTICLE X

                               WAIVER OF NOTICE


     Whenever any notice of the time, place or purpose of any meeting of
Shareholders, Trustees, or of any committee is required to be given in
accordance with law or under the provisions of the Declaration or these
By-Laws, a waiver thereof in writing, signed by the person or persons entitled
to such notice and filed with the records of the meeting, whether before or
after the holding thereof, or actual attendance at the meeting of shareholders,
Trustees or committee, as the case may be, in person, shall be deemed
equivalent to the giving of such notice to such person.


                                       9
<PAGE>

                                  ARTICLE XI

                                 MISCELLANEOUS

     SECTION 11.1. LOCATION OF BOOKS AND RECORDS. The books and records of the
Trust may be kept outside the Commonwealth of Massachusetts at such place or
places as the Trustees may from time to time determine, except as otherwise
required by law.

     SECTION 11.2. RECORD DATE. The Trustees may fix in advance a date as the
record date for the purpose of determining the Shareholders entitled to (i)
receive notice of, or to vote at, any meeting of Shareholders, or (ii) receive
payment of any dividend or the allotment of any rights, or in order to make a
determination of Shareholders for any other proper purpose. The record date, in
any case, shall not be more than one hundred eighty (180) days, and in the case
of a meeting of Shareholders not less than ten (10) days, prior to the date on
which such meeting is to be held or the date on which such other particular
action requiring determination of Shareholders is to be taken, as the case may
be. In the case of a meeting of Shareholders, the meeting date set forth in the
notice to Shareholders accompanying the proxy statement shall be the date used
for purposes of calculating the 180 day or 10 day period, and any adjourned
meeting may be reconvened without a change in record date. In lieu of fixing a
record date, the Trustees may provide that the transfer books shall be closed
for a stated period but not to exceed, in any case, twenty (20) days. If the
transfer books are closed for the purpose of determining Shareholders entitled
to notice of a vote at a meeting of Shareholders, such books shall be closed
for at least ten (10) days immediately preceding the meeting.

     SECTION 11.3. SEAL. The Trustees shall adopt a seal, which shall be in
such form and shall have such inscription thereon as the Trustees may from time
to time provide. The seal of the Trust may be affixed to any document, and the
seal and its attestation may be lithographed, engraved or otherwise printed on
any document with the same force and effect as if it had been imprinted and
attested manually in the same manner and with the same effect as if done by a
Massachusetts business corporation under Massachusetts law.

     SECTION 11.4. FISCAL YEAR. The fiscal year of the Trust shall end on such
date as the Trustees may by resolution specify, and the Trustees may by
resolution change such date for future fiscal years at any time and from time
to time.

     SECTION 11.5. ORDERS FOR PAYMENT OF MONEY. All orders or instructions for
the payment of money of the Trust, and all notes or other evidences of
indebtedness issued in the name of the Trust, shall be signed by such officer
or officers or such other person or persons as the Trustees may from time to
time designate, or as may be specified in or pursuant to the agreement between
the Trust and the bank or trust company appointed as Custodian of the
securities and funds of the Trust.


                                  ARTICLE XII

                      COMPLIANCE WITH FEDERAL REGULATIONS

     The Trustees are hereby empowered to take such action as they may deem to
be necessary, desirable or appropriate so that the Trust is or shall be in
compliance with any federal or state statute, rule or regulation with which
compliance by the Trust is required.


                                  ARTICLE XIII

                                  AMENDMENTS

     These By-Laws may be amended, altered, or repealed, or new By-Laws may be
adopted, (a) by a Majority Shareholder Vote, or (b) by the Trustees; provided,
however, that no By-Law may be amended, adopted or repealed by the Trustees if
such amendment, adoption or repeal requires, pursuant to law, the Declaration,
or these By-Laws, a vote of the Shareholders. The Trustees shall in no event
adopt By-Laws which are in conflict with the Declaration, and any apparent
inconsistency shall be construed in favor of the related provisions in the
Declaration.


                                       10
<PAGE>

                                  ARTICLE XIV

                             DECLARATION OF TRUST


     The Declaration of Trust establishing Morgan Stanley Dean Witter New York
Municipal Money Market Trust, dated December 27, 1989, a copy of which,
together with all amendments thereto, is on file in the office of the Secretary
of the Commonwealth of Massachusetts, provides that the name Morgan Stanley
Dean Witter New York Municipal Money Market Trust refers to the Trustees under
the Declaration collectively as Trustees, but not as individuals or personally;
and no Trustee, Shareholder, officer, employee or agent of Morgan Stanley Dean
Witter New York Municipal Money Market Trust shall be held to any personal
liability, nor shall resort be had to their private property for the
satisfaction of any obligation or claim or otherwise, in connection with the
affairs of said Morgan Stanley Dean Witter New York Municipal Money Market
Trust, but the Trust Estate only shall be liable.


                                       11

<PAGE>
                        INVESTMENT MANAGEMENT AGREEMENT

    AGREEMENT made as of the 31st day of May, 1997, and amended as of April 30,
1998 by and between Dean Witter New York Municipal Money Market Trust, an
unincorporated business trust organized under the laws of the Commonwealth of
Massachusetts (hereinafter called the "Fund"), and Dean Witter InterCapital
Inc., a Delaware corporation (hereinafter called the "Investment Manager"):

    WHEREAS, The Fund is engaged in business as an open-end management
investment company and is registered as such under the Investment Company Act of
1940, as amended (the "Act"); and

    WHEREAS, The Investment Manager is registered as an investment adviser under
the Investment Advisers Act of 1940, and engages in the business of acting as
investment adviser; and

    WHEREAS, The Fund desires to retain the Investment Manager to render
management and investment advisory services in the manner and on the terms and
conditions hereinafter set forth; and

    WHEREAS, The Investment Manager desires to be retained to perform services
on said terms and conditions:

    Now, Therefore, this Agreement

                              W I T N E S S E T H:

that in consideration of the premises and the mutual covenants hereinafter
contained, the Fund and the Investment Manager agree as follows:

     1. The Fund hereby retains the Investment Manager to act as investment
manager of the Fund and, subject to the supervision of the Trustees, to
supervise the investment activities of the Fund as hereinafter set forth.
Without limiting the generality of the foregoing, the Investment Manager shall
obtain and evaluate such information and advice relating to the economy,
securities markets and securities as it deems necessary or useful to discharge
its duties hereunder; shall continuously manage the assets of the Fund in a
manner consistent with the investment objectives and policies of the Fund; shall
determine the securities to be purchased, sold or otherwise disposed of by the
Fund and the timing of such purchases, sales and dispositions; and shall take
such further action, including the placing of purchase and sale orders on behalf
of the Fund, as the Investment Manager shall deem necessary or appropriate. The
Investment Manager shall also furnish to or place at the disposal of the Fund
such of the information, evaluations, analyses and opinions formulated or
obtained by the Investment Manager in the discharge of its duties as the Fund
may, from time to time, reasonably request.

     2. The Investment Manager shall, at its own expense, maintain such staff
and employ or retain such personnel and consult with such other persons as it
shall from time to time determine to be necessary or useful to the performance
of its obligations under this Agreement. Without limiting the generality of the
foregoing, the staff and personnel of the Investment Manager shall be deemed to
include persons employed or otherwise retained by the Investment Manager to
furnish statistical and other factual data, advice regarding economic factors
and trends, information with respect to technical and scientific developments,
and such other information, advice and assistance as the Investment Manager may
desire. The Investment Manager shall, as agent for the Fund, maintain the Fund's
records and books of account (other than those maintained by the Fund's transfer
agent, registrar, custodian and other agents). All such books and records so
maintained shall be the property of the Fund and, upon request therefor, the
Investment Manager shall surrender to the Fund such of the books and records so
requested.

     3. The Fund will, from time to time, furnish or otherwise make available to
the Investment Manager such financial reports, proxy statements and other
information relating to the business and affairs of the Fund as the Investment
Manager may reasonably require in order to discharge its duties and obligations
hereunder.

     4. The Investment Manager shall bear the cost of rendering the investment
management and supervisory services to be performed by it under this Agreement,
and shall, at its own expense, pay the compensation of the officers and
employees, if any, of the Fund who are also directors, officers or employees of
the Investment Manager, and provide such office space and equipment and such
clerical and


<PAGE>
bookkeeping services as the Fund shall reasonably require in the conduct of its
business, including the pricing of Fund shares, and preparation of prospectuses,
proxy statements and reports required to be filed with Federal and state
securities commissions (except insofar as the participation or assistance of
independent accountants and attorneys is, in the opinion of the Investment
Manager, necessary or desirable). The Investment Manager shall also bear the
cost of telephone service, heat, light, power and other utilities provided to
the Fund, and the cost of printing (in excess of costs borne by the Fund) and
distributing prospectuses and supplements thereto of the Fund used for sales
purposes.

     5. The Fund assumes and shall pay or cause to be paid all other expenses of
the Fund, including without limitation: the charges and expenses of any
registrar, any custodian or depository appointed by the Fund for the safekeeping
of its cash, portfolio securities and other property, and any stock transfer or
dividend agent or agents appointed by the Fund; brokers' commissions chargeable
to the Fund in connection with portfolio securities transactions to which the
Fund is a party; all taxes, including securities issuance and transfer taxes,
and fees payable by the Fund to Federal, State or other governmental agencies;
the cost and expense of engraving or printing share certificates representing
shares of the Fund; all costs and expenses in connection with the registration
and maintenance of registration of the Fund and its shares with the Securities
and Exchange Commission and various states and other jurisdictions (including
filing fees and legal fees and disbursements of counsel); the cost and expense
of printing (including typesetting) and distributing prospectuses of the Fund
and supplements thereto to the Fund's shareholders; all expenses of
shareholders' and Trustees' meetings and of preparing, printing and mailing
proxy statements and reports to shareholders and prospective shareholders; fees
and travel expenses of Trustees or members of any advisory board or committee
who are not employees of the Investment Manager or any corporate affiliate of
the Investment Manager; all expenses incident to the payment of any dividend,
distribution, withdrawal or redemption, whether in shares or in cash; charges
and expenses of legal counsel and independent accountants in connection with any
matter relating to the Fund (not including compensation or expenses of attorneys
employed by the Investment Manager); membership dues of the Investment Company
Institute; interest payable on Fund borrowings; postage; insurance premiums on
property or personnel (including officers and Trustees) of the Fund which inure
to its benefit; extraordinary expenses (including but not limited to legal
claims and liabilities and litigation costs and any indemnification related
thereto); and all other charges and costs of the Fund's operation unless
otherwise explicitly provided herein.

     6. For the services to be rendered, the facilities furnished, and the
expenses assumed by the Investment Manager, the Fund shall pay to the Investment
Manager monthly compensation determined by applying the following annual rates
to the Fund's daily net assets: 0.50% of the portion of the daily net assets not
exceeding $500 million; 0.425% of the portion of the daily net assets exceeding
$500 million but not exceeding $750 million; 0.375% of the portion of the daily
net assets exceeding $750 million but not exceeding $1 billion; 0.35% of the
portion of the daily net assets exceeding $1 billion but not exceeding $1.5
billion; 0.325% of the portion of the daily net assets exceeding $1.5 billion
but not exceeding $2 billion; 0.30% of the portion of the daily net assets
exceeding $2 billion but not exceeding $2.5 billion; 0.275% of the portion of
the daily net assets exceeding $2.5 billion but not exceeding $3 billion; and
0.25% of the portion of the daily net assets exceeding $3 billion. Except as
hereinafter set forth, compensation under this Agreement shall be calculated and
accrued daily and the amounts of the daily accruals shall be paid monthly. Such
calculations shall be made by applying 1/365ths of the annual rates to the
Fund's net assets each day determined as of the close of business on that day or
the last previous business day. If this Agreement becomes effective subsequent
to the first day of a month or shall terminate before the last day of a month,
compensation for that part of the month this Agreement is in effect shall be
prorated in a manner consistent with the calculation of the fees as set forth
above. Subject to the provisions of paragraph 7 hereof, payment of the
Investment Manager's compensation for the preceding month shall be made as
promptly as possible after completion of the computation contemplated by
paragraph 7 hereof.

     7. In the event the operating expenses of the Fund, including amounts
payable to the Investment Manager pursuant to paragraph 6 hereof, for any fiscal
year ending on a date on which this Agreement is in effect, exceed the expense
limitations applicable to the Fund imposed by state securities laws or
regulations thereunder, as such limitations may be raised or lowered from time
to time, the Investment Manager shall reduce its management fee to the extent of
such excess and, if required, pursuant to any

                                       2
<PAGE>
such laws or regulations, will reimburse the Fund for annual operating expenses
in excess of any expense limitation that may be applicable; provided, however,
there shall be excluded from such expenses the amount of any interest, taxes,
brokerage commissions and extraordinary expenses (to the extent permitted by
state securities laws or regulations thereunder) paid or payable by the Fund.
Such reduction, if any, shall be computed and accrued daily, shall be settled on
a monthly basis, and shall be based upon the expense limitation applicable to
the Fund as at the end of the last business day of the month. Should two or more
such expense limitations be applicable as at the end of the last business day of
the month, that expense limitation which results in the largest reduction in the
Investment Manager's fee shall be applicable.

    For purposes of this provision, should any applicable expense limitation be
based upon the gross income of the Fund, such gross income shall include, but
not be limited to, interest on debt of fixed income securities in the Fund's
portfolio accrued to and including the last day of the Fund's fiscal year, and
dividends declared but not paid on any equity securities in the Fund's
portfolio, the record dates for which fall on or prior to the last day of such
fiscal year, but shall not include gains from the sales of securities.

     8. The Investment Manager will use its best efforts in the supervision and
management of the investment activities of the Fund, but in the absence of
willful misfeasance, bad faith, gross negligence or reckless disregard of its
obligations hereunder, the Investment Manager shall not be liable to the Fund or
any of its investors for any error of judgment or mistake of law or for any act
or omission by the Investment Manager or for any losses sustained by the Fund or
its investors.

     9. Nothing contained in this Agreement shall prevent the Investment Manager
or any affiliated person of the Investment Manager from acting as investment
adviser or manager for any other person, firm or corporation and shall not in
any way bind or restrict the Investment Manager or any such affiliated person
from buying, selling or trading any securities or commodities for their own
accounts or for the account of others for whom they may be acting. Nothing in
this Agreement shall limit or restrict the right of any director, officer or
employee of the Investment Manager to engage in any other business or to devote
his or her time and attention in part to the management or other aspects of any
other business whether of a similar or dissimilar nature.

    10. This Agreement shall remain in effect until April 30, 1999 and from year
to year thereafter provided such continuance is approved at least annually by
the vote of holders of a majority (as defined in the Act) of the outstanding
voting securities of the Fund or by the Board of Trustees of the Fund; provided
that in either event such continuance is also approved annually by the vote of a
majority of the Trustees of the Fund who are not parties to this Agreement or
"interested persons" (as defined in the Act) of any such party, which vote must
be cast in person at a meeting called for the purpose of voting on such
approval; provided, however, that (a) the Fund may, at any time and without the
payment of any penalty, terminate this Agreement upon thirty days' written
notice to the Investment Manager, either by majority vote of the Board of
Trustees of the Fund or by the vote of a majority of the outstanding voting
securities of the Fund; (b) this Agreement shall immediately terminate in the
event of its assignment (within the meaning of the Act) unless such automatic
termination shall be prevented by an exemptive order of the Securities and
Exchange Commission; and (c) the Investment Manager may terminate this Agreement
without payment of penalty on thirty days' written notice to the Fund. Any
notice under this Agreement shall be given in writing, addressed and delivered,
or mailed post-paid, to the other party at the principal office of such party.

    11. This Agreement may be amended by the parties without the vote or consent
of shareholders of the Fund to supply any omission, to cure, correct or
supplement any ambiguous, defective or inconsistent provision hereof, or if they
deem it necessary to conform this Agreement to the requirements of applicable
federal laws or regulations, but neither the Fund nor the Investment Manager
shall be liable for failing to do so.

    12. This Agreement shall be construed in accordance with the law of the
State of New York and the applicable provisions of the Act. To the extent the
applicable law of the State of New York, or any of the provisions herein,
conflicts with the applicable provisions of the Act, the latter shall control.

    13. The Investment Manager and the Fund each agree that the name "Dean
Witter," which comprises a component of the Fund's name, is a property right of
Dean Witter Reynolds Inc. The Fund agrees and consents that (i) it will only use
the name "Dean Witter" as a component of its name and for no other purpose, (ii)
it will not purport to grant to any third party the right to use the name "Dean
Witter" for any purpose, (iii) the

                                       3
<PAGE>

Investment Manager or its parent, Morgan Stanley Dean Witter & Co., or any
corporate affiliate of the Investment Manager's parent, may use or grant to
others the right to use the name "Dean Witter," or any combination or
abbreviation thereof, as all or a portion of a corporate or business name or for
any commercial purpose, including a grant of such right to any other investment
company, (iv) at the request of the Investment Manager or its parent, the Fund
will take such action as may be required to provide its consent to the use of
the name "Dean Witter," or any combination or abbreviation thereof, by the
Investment Manager or its parent or any corporate affiliate of the Investment
Manager's parent, or by any person to whom the Investment Manager or its parent
or any corporate affiliate of the Investment Manager's parent shall have granted
the right to such use, and (v) upon the termination of any investment advisory
agreement into which the Investment Manager and the Fund may enter, or upon
termination of affiliation of the Investment Manager with its parent, the Fund
shall, upon request by the Investment Manager or its parent, cease to use the
name "Dean Witter" as a component of its name, and shall not use the name, or
any combination or abbreviation thereof, as a part of its name or for any other
commercial purpose, and shall cause its officers, Trustees and shareholders to
take any and all actions which the Investment Manager or its parent may request
to effect the foregoing and to reconvey to the Investment Manager or its parent
any and all rights to such name.

    14. The Declaration of Trust establishing Dean Witter New York Municipal
Money Market Trust, dated December 28, 1989, 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 Dean
Witter New York Municipal Money Market Trust refers to the Trustees under the
Declaration collectively as Trustees, but not as individuals or personally; and
no Trustee, shareholder, officer, employee or agent of Dean Witter New York
Municipal Money Market Trust shall be held to any personal liability, nor shall
resort be had to their private property for the satisfaction of any obligation
or claim or otherwise, in connection with the affairs of said Dean Witter New
York Municipal Money Market Trust, but the Trust Estate only shall be liable.

    IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement, as amended, on April 30, 1998 in New York, New York.

<TABLE>
<S>                                                                <C>
                                                                   DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET
                                                                   TRUST

                                                                   By:              /s/ BARRY FINK
                                                                   ............................................

Attest:

            /s/ FRANK BRUTTOMESSO
 ..............................................

                                                                   DEAN WITTER INTERCAPITAL INC.

                                                                   By:        /s/ CHARLES A. FIUMEFREDDO
                                                                   ............................................

Attest:

           /s/ MARILYN K. CRANNEY
 ..............................................
</TABLE>


                                       4


<PAGE>










                                AMENDED AND RESTATED
                       TRANSFER AGENCY AND SERVICE AGREEMENT

                                        with

                        MORGAN STANLEY DEAN WITTER TRUST FSB






















                                                                [open-end funds]

<PAGE>



                                 TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Article 1   Terms of Appointment . . . . . . . . . . . . . . . . . . . . .   1

Article 2   Fees and Expenses. . . . . . . . . . . . . . . . . . . . . . .   5

Article 3   Representations and Warranties of MSDW TRUST . . . . . . . . .   6

Article 4   Representations and Warranties of the Fund . . . . . . . . . .   7

Article 5   Duty of Care and Indemnification . . . . . . . . . . . . . . .   7

Article 6   Documents and Covenants of the Fund and MSDW TRUST . . . . . .  10

Article 7   Duration and Termination of Agreement. . . . . . . . . . . . .  13

Article 8   Assignment . . . . . . . . . . . . . . . . . . . . . . . . . .  14

Article 9   Affiliations . . . . . . . . . . . . . . . . . . . . . . . . .  14

Article 10  Amendment. . . . . . . . . . . . . . . . . . . . . . . . . . .  15

Article 11  Applicable Law . . . . . . . . . . . . . . . . . . . . . . . .  15

Article 12  Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . .  15

Article 13  Merger of Agreement. . . . . . . . . . . . . . . . . . . . . .  17

Article 14  Personal Liability . . . . . . . . . . . . . . . . . . . . . .  17
</TABLE>

                                         -i-
<PAGE>

             AMENDED AND RESTATED TRANSFER AGENCY AND SERVICE AGREEMENT


          AMENDED AND RESTATED AGREEMENT made as of the 22nd day of June, 1998
by and between each of the Funds listed on the signature pages hereof, each of
such Funds acting severally on its own behalf and not jointly with any of such
other Funds (each such Fund hereinafter referred to as the "Fund"), each such
Fund having its principal office and place of business at Two World Trade
Center, New York, New York, 10048, and MORGAN STANLEY DEAN WITTER TRUST FSB
("MSDW TRUST"), a federally chartered savings bank, having its principal office
and place of business at Harborside Financial Center, Plaza Two, Jersey City,
New Jersey 07311.


          WHEREAS, the Fund desires to appoint MSDW TRUST as its transfer agent,
dividend disbursing agent and shareholder servicing agent and MSDW TRUST desires
to accept such appointment;


          NOW THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:


Article 1      TERMS OF APPOINTMENT; DUTIES OF MSDW TRUST


               1.1   Subject to the terms and conditions set forth in this
Agreement, the Fund hereby employs and appoints MSDW TRUST to act as, and MSDW
TRUST agrees to act as, the transfer agent for each series and class of shares
of the Fund, whether now or hereafter authorized or issued ("Shares"), dividend
disbursing agent and shareholder servicing agent in


                                         -1-
<PAGE>

connection with any accumulation, open-account or similar plans provided to the
holders of such Shares ("Shareholders") and set out in the currently effective
prospectus and statement of additional information ("prospectus") of the Fund,
including without limitation any periodic investment plan or periodic withdrawal
program.


               1.2   MSDW TRUST agrees that it will perform the following
services:


               (a)   In accordance with procedures established from time to
time by agreement between the Fund and MSDW TRUST, MSDW TRUST shall:


               (i)   Receive for acceptance, orders for the purchase of Shares,
and promptly deliver payment and appropriate documentation therefor to the
custodian of the assets of the Fund (the "Custodian");


               (ii)  Pursuant to purchase orders, issue the appropriate number
of Shares and issue certificates therefor or hold such Shares in book form in
the appropriate Shareholder account;


               (iii) Receive for acceptance redemption requests and redemption
directions and deliver the appropriate documentation therefor to the Custodian;


               (iv)  At the appropriate time as and when it receives monies
paid to it by the Custodian with respect to any redemption, pay over or cause to
be paid over in the appropriate manner such monies as instructed by the
redeeming Shareholders;


                                         -2-
<PAGE>

               (v)   Effect transfers of Shares by the registered owners
thereof upon receipt of appropriate instructions;


               (vi)  Prepare and transmit payments for dividends and
distributions declared by the Fund;


               (vii) Calculate any sales charges payable by a Shareholder on
purchases and/or redemptions of Shares of the Fund as such charges may be
reflected in the prospectus;


               (viii) Maintain records of account for and advise the Fund and
its Shareholders as to the foregoing; and


               (ix)  Record the issuance of Shares of the Fund and maintain
pursuant to Rule 17Ad-10(e) under the Securities Exchange Act of 1934 ("1934
Act") a record of the total number of Shares of the Fund which are authorized,
based upon data provided to it by the Fund, and issued and outstanding.  MSDW
TRUST shall also provide to the Fund on a regular basis the total number of
Shares that are authorized, issued and outstanding and shall notify the Fund in
case any proposed issue of Shares by the Fund would result in an overissue.  In
case any issue of Shares would result in an overissue, MSDW TRUST shall refuse
to issue such Shares and shall not countersign and issue any certificates
requested for such Shares.  When recording the issuance of Shares, MSDW TRUST
shall have no obligation to take cognizance of any Blue Sky laws relating to the
issue of sale of such Shares, which functions shall be the sole responsibility
of the Fund.


               (b)    In addition to and not in lieu of the services set forth
in the above paragraph (a), MSDW TRUST shall:


                                         -3-
<PAGE>

               (i)   perform all of the customary services of a transfer agent,
dividend disbursing agent and, as relevant, shareholder servicing agent in
connection with dividend reinvestment, accumulation, open-account or similar
plans (including without limitation any periodic investment plan or periodic
withdrawal program), including but not limited to, maintaining all Shareholder
accounts, preparing Shareholder meeting lists, mailing proxies, receiving and
tabulating proxies, mailing shareholder reports and prospectuses to current
Shareholders, withholding taxes on U.S. resident and non-resident alien
accounts, preparing and filing appropriate forms required with respect to
dividends and distributions by federal tax authorities for all Shareholders,
preparing and mailing confirmation forms and statements of account to
Shareholders for all purchases and redemptions of Shares and other confirmable
transactions in Shareholder accounts, preparing and mailing activity statements
for Shareholders and providing Shareholder account information;


               (ii)  open any and all bank accounts which may be necessary or
appropriate in order to provide the foregoing services; and


               (iii) provide a system that will enable the Fund to monitor the
total number of Shares sold in each State or other jurisdiction.


               (c)   In addition, the Fund shall:


               (i)   identify to MSDW TRUST in writing those transactions and
assets to be treated as exempt from Blue Sky reporting for each State; and


                                         -4-
<PAGE>

               (ii)  verify the inclusion on the system prior to activation of
each State in which Fund shares may be sold and thereafter monitor the daily
purchases and sales for shareholders in each State.  The responsibility of MSDW
TRUST for the Fund's status under the securities laws of any State or other
jurisdiction is limited to the inclusion on the system of each State as to which
the Fund has informed MSDW TRUST that shares may be sold in compliance with
state securities laws and the reporting of purchases and sales in each such
State to the Fund as provided above and as agreed from time to time by the Fund
and MSDW TRUST.


               (d)   MSDW TRUST shall provide such additional services and
functions not specifically described herein as may be mutually agreed between
MSDW TRUST and the Fund.  Procedures applicable to such services may be
established from time to time by agreement between the Fund and MSDW TRUST.


Article 2      FEES AND EXPENSES

               2.1   For performance by MSDW TRUST pursuant to this Agreement,
each Fund agrees to pay MSDW TRUST an annual maintenance fee for each
Shareholder account and certain transactional fees, if applicable, as set out in
the respective fee schedule attached hereto as Schedule A.  Such fees and
out-of-pocket expenses and advances identified under Section 2.2 below may be
changed from time to time subject to mutual written agreement between the Fund
and MSDW TRUST.


               2.2   In addition to the fees paid under Section 2.1 above, the
Fund agrees to reimburse MSDW TRUST for out of pocket expenses in connection
with the services rendered


                                         -5-
<PAGE>

by MSDW TRUST hereunder.  In addition, any other expenses incurred by MSDW TRUST
at the request or with the consent of the Fund will be reimbursed by the Fund.


               2.3   The Fund agrees to pay all fees and reimbursable expenses
within a reasonable period of time following the mailing of the respective
billing notice.  Postage for mailing of dividends, proxies, Fund reports and
other mailings to all Shareholder accounts shall be advanced to MSDW TRUST by
the Fund upon request prior to the mailing date of such materials.


Article 3      REPRESENTATIONS AND WARRANTIES OF MSDW TRUST

               MSDW TRUST represents and warrants to the Fund that:

               3.1   It is a federally chartered savings bank whose principal
office is in New Jersey.


               3.2   It is and will remain registered with the U.S. Securities
and Exchange Commission ("SEC") as a Transfer Agent pursuant to the requirements
of Section 17A of the 1934 Act.


               3.3   It is empowered under applicable laws and by its charter
and By-Laws to enter into and perform this Agreement.


               3.4   All requisite corporate proceedings have been taken to
authorize it to enter into and perform this Agreement.


               3.5   It has and will continue to have access to the necessary
facilities, equipment and personnel to perform its duties and obligations under
this Agreement.


                                         -6-
<PAGE>

Article 4      REPRESENTATIONS AND WARRANTIES OF THE FUND

               The Fund represents and warrants to MSDW TRUST that:


               4.1   It is a corporation duly organized and existing and in
good standing under the laws of Delaware or Maryland or a trust duly organized
and existing and in good standing under the laws of Massachusetts, as the case
may be.


               4.2   It is empowered under applicable laws and by its Articles
of Incorporation or Declaration of Trust, as the case may be, and under its
By-Laws to enter into and perform this Agreement.


               4.3   All corporate proceedings necessary to authorize it to
enter into and perform this Agreement have been taken.


               4.4   It is an investment company registered with the SEC under
the Investment Company Act of 1940, as amended (the "1940 Act").


               4.5   A registration statement under the Securities Act of 1933
(the "1933 Act") is currently effective and will remain effective, and
appropriate state securities law filings have been made and will continue to be
made, with respect to all Shares of the Fund being offered for sale.


Article 5      DUTY OF CARE AND INDEMNIFICATION

               5.1   MSDW TRUST shall not be responsible for, and the Fund
shall indemnify and hold MSDW TRUST harmless from and against, any and all
losses, damages, costs,


                                         -7-
<PAGE>

charges, counsel fees, payments, expenses and liability arising out of or
attributable to:


               (a)   All actions of MSDW TRUST or its agents or subcontractors
required to be taken pursuant to this Agreement, provided that such actions are
taken in good faith and without negligence or willful misconduct.


               (b)   The Fund's refusal or failure to comply with the terms of
this Agreement, or which arise out of the Fund's lack of good faith, negligence
or willful misconduct or which arise out of breach of any representation or
warranty of the Fund hereunder.


               (c)   The reliance on or use by MSDW TRUST or its agents or
subcontractors of information, records and documents which (i) are received by
MSDW TRUST or its agents or subcontractors and furnished to it by or on behalf
of the Fund, and (ii) have been prepared and/or maintained by the Fund or any
other person or firm on behalf of the Fund.


               (d)   The reliance on, or the carrying out by MSDW TRUST or its
agents or subcontractors of, any instructions or requests of the Fund.


               (e)   The offer or sale of Shares in violation of any
requirement under the federal securities laws or regulations or the securities
or Blue Sky laws of any State or other jurisdiction that notice of offering of
such Shares in such State or other jurisdiction or in violation of any stop
order or other determination or ruling by any federal agency or any State or
other jurisdiction with respect to the offer or sale of such Shares in such
State or other jurisdiction.


                                         -8-
<PAGE>

               5.2   MSDW TRUST shall indemnify and hold the Fund harmless from
or against any and all losses, damages, costs, charges, counsel fees, payments,
expenses and liability arising out of or attributable to any action or failure
or omission to act by MSDW TRUST as a result of the lack of good faith,
negligence or willful misconduct of MSDW TRUST, its officers, employees or
agents.


               5.3   At any time, MSDW TRUST may apply to any officer of the
Fund for instructions, and may consult with legal counsel to the Fund, with
respect to any matter arising in connection with the services to be performed by
MSDW TRUST under this Agreement, and MSDW TRUST and its agents or subcontractors
shall not be liable and shall be indemnified by the Fund for any action taken or
omitted by it in reliance upon such instructions or upon the opinion of such
counsel.  MSDW TRUST, its agents and subcontractors shall be protected and
indemnified in acting upon any paper or document furnished by or on behalf of
the Fund, reasonably believed to be genuine and to have been signed by the
proper person or persons, or upon any instruction, information, data, records or
documents provided to MSDW TRUST or its agents or subcontractors by machine
readable input, telex, CRT data entry or other similar means authorized by the
Fund, and shall not be held to have notice of any change of authority of any
person, until receipt of written notice thereof from the Fund.  MSDW TRUST, its
agents and subcontractors shall also be protected and indemnified in recognizing
stock certificates which are reasonably believed to bear the proper manual or
facsimile signature of the officers of the Fund, and the proper countersignature
of any former transfer agent or registrar, or of a co-transfer agent or
co-registrar.


                                         -9-
<PAGE>

               5.4   In the event either party is unable to perform its
obligations under the terms of this Agreement because of acts of God, strikes,
equipment or transmission failure or damage reasonably beyond its control, or
other causes reasonably beyond its control, such party shall not be liable for
damages to the other for any damages resulting from such failure to perform or
otherwise from such causes.


               5.5   Neither party to this Agreement shall be liable to the
other party for consequential damages under any provision of this Agreement or
for any act or failure to act hereunder.


               5.6   In order that the indemnification provisions contained in
this Article 5 shall apply, upon the assertion of a claim for which either party
may be required to indemnify the other, the party seeking indemnification shall
promptly notify the other party of such assertion, and shall keep the other
party advised with respect to all developments concerning such claim.  The party
who may be required to indemnify shall have the option to participate with the
party seeking indemnification in the defense of such claim.  The party seeking
indemnification shall in no case confess any claim or make any compromise in any
case in which the other party may be required to indemnify it except with the
other party's prior written consent.


Article 6      DOCUMENTS AND COVENANTS OF THE FUND AND MSDW TRUST

               6.1   The Fund shall promptly furnish to MSDW TRUST the
following, unless previously furnished to Dean Witter Trust Company, the prior
transfer agent of the Fund:


                                         -10-
<PAGE>
               (a)   If a corporation:

               (i)   A certified copy of the resolution of the Board of
Directors of the Fund authorizing the appointment of MSDW TRUST and the
execution and delivery of this Agreement;


               (ii)  A certified copy of the Articles of Incorporation and
By-Laws of the Fund and all amendments thereto;


               (iii) Certified copies of each vote of the Board of Directors
designating persons authorized to give instructions on behalf of the Fund and
signature cards bearing the signature of any officer of the Fund or any other
person authorized to sign written instructions on behalf of the Fund;


               (iv)  A specimen of the certificate for Shares of the Fund in
the form approved by the Board of Directors, with a certificate of the Secretary
of the Fund as to such approval;


               (b)   If a business trust:


               (i)   A certified copy of the resolution of the Board of
Trustees of the Fund authorizing the appointment of MSDW TRUST and the execution
and delivery of this Agreement;


               (ii)  A certified copy of the Declaration of Trust and By-Laws
of the Fund and all amendments thereto;


                                         -11-
<PAGE>

               (iii) Certified copies of each vote of the Board of Trustees
designating persons authorized to give instructions on behalf of the Fund and
signature cards bearing the signature of any officer of the Fund or any other
person authorized to sign written instructions on behalf of the Fund;


               (iv)  A specimen of the certificate for Shares of the Fund in
the form approved by the Board of Trustees, with a certificate of the Secretary
of the Fund as to such approval;


               (c)   The current registration statements and any amendments and
supplements thereto filed with the SEC pursuant to the requirements of the 1933
Act or the 1940 Act;


               (d)   All account application forms or other documents relating
to Shareholder accounts and/or relating to any plan, program or service offered
or to be offered by the Fund; and


               (e)   Such other certificates, documents or opinions as MSDW
TRUST deems to be appropriate or necessary for the proper performance of its
duties.


               6.2   MSDW TRUST hereby agrees to establish and maintain
facilities and procedures reasonably acceptable to the Fund for safekeeping of
Share certificates, check forms and facsimile signature imprinting devices, if
any; and for the preparation or use, and for keeping account of, such
certificates, forms and devices.


                                         -12-
<PAGE>

               6.3   MSDW TRUST shall prepare and keep records relating to the
services to be performed hereunder, in the form and manner as it may deem
advisable and as required by applicable laws and regulations.  To the extent
required by Section 31 of the 1940 Act, and the rules and regulations
thereunder, MSDW TRUST agrees that all such records prepared or maintained by
MSDW TRUST relating to the services performed by MSDW TRUST hereunder are the
property of the Fund and will be preserved, maintained and made available in
accordance with such Section 31 of the 1940 Act, and the rules and regulations
thereunder, and will be surrendered promptly to the Fund on and in accordance
with its request.


               6.4   MSDW TRUST and the Fund agree that all books, records,
information and data pertaining to the business of the other party which are
exchanged or received pursuant to the negotiation or the carrying out of this
Agreement shall remain confidential and shall not be voluntarily disclosed to
any other person except as may be required by law or with the prior consent of
MSDW TRUST and the Fund.


               6.5   In case of any request or demands for the inspection of
the Shareholder records of the Fund, MSDW TRUST will endeavor to notify the Fund
and to secure instructions from an authorized officer of the Fund as to such
inspection.  MSDW TRUST reserves the right, however, to exhibit the Shareholder
records to any person whenever it is advised by its counsel that it may be held
liable for the failure to exhibit the Shareholder records to such person.


Article 7      DURATION AND TERMINATION OF AGREEMENT

               7.1   This Agreement shall remain in full force and effect until
August 1,


                                         -13-
<PAGE>

2000 and from year-to-year thereafter unless terminated by either party as
provided in Section 7.2 hereof.


               7.2   This Agreement may be terminated by the Fund on 60 days
written notice, and by MSDW TRUST on 90 days written notice, to the other party
without payment of any penalty.


               7.3   Should the Fund exercise its right to terminate, all
out-of-pocket expenses associated with the movement of records and other
materials will be borne by the Fund.  Additionally, MSDW TRUST reserves the
right to charge for any other reasonable fees and expenses associated with such
termination.


Article 8      ASSIGNMENT

               8.1   Except as provided in Section 8.3 below, neither this
Agreement nor any rights or obligations hereunder may be assigned by either
party without the written consent of the other party.


               8.2   This Agreement shall inure to the benefit of and be
binding upon the parties and their respective permitted successors and assigns.


               8.3   MSDW TRUST may, in its sole discretion and without 
further consent by the Fund, subcontract, in whole or in part, for the 
performance of its obligations and duties hereunder with any person or entity 
including but not limited to companies which are affiliated with MSDW 
TRUST;PROVIDED, HOWEVER, that such person or entity has and maintains the 
qualifications, if any, required to perform such obligations and duties, and 
that MSDW TRUST 

                                         -14-
<PAGE>

shall be as fully responsible to the Fund for the acts and omissions of any 
agent or subcontractor as it is for its own acts or omissions under this 
Agreement.

Article 9      AFFILIATIONS

               9.1   MSDW TRUST may now or hereafter, without the consent of or
notice to the Fund, function as transfer agent and/or shareholder servicing
agent for any other investment company registered with the SEC under the 1940
Act and for any other issuer, including without limitation any investment
company whose adviser, administrator, sponsor or principal underwriter is or may
become affiliated with Morgan Stanley Dean Witter & Co. or any of its direct or
indirect subsidiaries or affiliates.


               9.2   It is understood and agreed that the Directors or Trustees
(as the case may be), officers, employees, agents and shareholders of the Fund,
and the directors, officers, employees, agents and shareholders of the Fund's
investment adviser and/or distributor, are or may be interested in MSDW TRUST as
directors, officers, employees, agents and shareholders or otherwise, and that
the directors, officers, employees, agents and shareholders of MSDW TRUST may be
interested in the Fund as Directors or Trustees (as the case may be), officers,
employees, agents and shareholders or otherwise, or in the investment adviser
and/or distributor as directors, officers, employees, agents, shareholders or
otherwise.


Article 10     AMENDMENT

               10.1  This Agreement may be amended or modified by a written
agreement executed by both parties and authorized or approved by a resolution of
the Board of Directors or the Board of Trustees (as the case may be) of the
Fund.


                                         -15-
<PAGE>

Article 11     APPLICABLE LAW

               11.1  This Agreement shall be construed and the provisions
thereof interpreted under and in accordance with the laws of the State of New
York.


Article 12     MISCELLANEOUS

               12.1  In the event that one or more additional investment
companies managed or administered by Morgan Stanley Dean Witter Advisors Inc. or
any of its affiliates ("Additional Funds") desires to retain MSDW TRUST to act
as transfer agent, dividend disbursing agent and/or shareholder servicing agent,
and MSDW TRUST desires to render such services, such services shall be provided
pursuant to a letter agreement, substantially in the form of Exhibit A hereto,
between MSDW TRUST and each Additional Fund.


               12.2  In the event of an alleged loss or destruction of any
Share certificate, no new certificate shall be issued in lieu thereof, unless
there shall first be furnished to MSDW TRUST an affidavit of loss or non-receipt
by the holder of Shares with respect to which a certificate has been lost or
destroyed, supported by an appropriate bond satisfactory to MSDW TRUST and the
Fund issued by a surety company satisfactory to MSDW TRUST, except that MSDW
TRUST may accept an affidavit of loss and indemnity agreement executed by the
registered holder (or legal representative) without surety in such form as MSDW
TRUST deems appropriate indemnifying MSDW TRUST and the Fund for the issuance of
a replacement certificate, in cases where the alleged loss is in the amount of
$1,000 or less.


               12.3  In the event that any check or other order for payment of
money on the


                                         -16-
<PAGE>

account of any Shareholder or new investor is returned unpaid for any reason,
MSDW TRUST will (a) give prompt notification to the Fund's distributor
("Distributor") (or to the Fund if the Fund acts as its own distributor) of such
non-payment; and (b) take such other action, including imposition of a
reasonable processing or handling fee, as MSDW TRUST may, in its sole
discretion, deem appropriate or as the Fund and, if applicable, the Distributor
may instruct MSDW TRUST.


               12.4  Any notice or other instrument authorized or required by
this Agreement to be given in writing to the Fund or to MSDW TRUST shall be
sufficiently given if addressed to that party and received by it at its office
set forth below or at such other place as it may from time to time designate in
writing.

To the Fund:

[Name of Fund]
Two World Trade Center
New York, New York  10048

Attention:  General Counsel

To MSDW TRUST:

Morgan Stanley Dean Witter Trust FSB
Harborside Financial Center
Plaza Two
Jersey City, New Jersey  07311

Attention:  President

Article 13     MERGER OF AGREEMENT

               13.1  This Agreement constitutes the entire agreement between
the parties hereto and supersedes any prior agreement with respect to the
subject matter hereof whether oral or written.


                                         -17-
<PAGE>

Article 14     PERSONAL LIABILITY

               14.1  In the case of a Fund organized as a Massachusetts
business trust, a copy of the Declaration of Trust of the Fund is on file with
the Secretary of The Commonwealth of Massachusetts, and notice is hereby given
that this instrument is executed on behalf of the Board of Trustees of the Fund
as Trustees and not individually and that the obligations of this instrument are
not binding upon any of the Trustees or shareholders individually but are
binding only upon the assets and property of the Fund; provided, however, that
the Declaration of Trust of the Fund provides that the assets of a particular
Series of the Fund shall under no circumstances be charged with liabilities
attributable to any other Series of the Fund and that all persons extending
credit to, or contracting with or having any claim against, a particular Series
of the Fund shall look only to the assets of that particular Series for payment
of such credit, contract or claim.


          IN WITNESS WHEREOF, the parties hereto have caused this Amended and
Restated Agreement to be executed in their names and on their behalf by and
through their duly authorized officers, as of the day and year first above
written.

     MORGAN STANLEY DEAN WITTER FUNDS

     MONEY MARKET FUNDS

  1. Morgan Stanley Dean Witter Liquid Asset Fund Inc.
  2. Active Assets Money Trust
  3. Morgan Stanley Dean Witter U.S. Government Money Market Trust
  4. Active Assets Government Securities Trust
  5. Morgan Stanley Dean Witter Tax-Free Daily Income Trust
  6. Active Assets Tax-Free Trust
  7. Morgan Stanley Dean Witter California Tax-Free Daily Income Trust
  8. Morgan Stanley Dean Witter New York Municipal Money Market Trust
  9. Active Assets California Tax-Free Trust


                                         -18-
<PAGE>

     EQUITY FUNDS

 10. Morgan Stanley Dean Witter American Value Fund
 11. Morgan Stanley Dean Witter Mid-Cap Growth Fund
 12. Morgan Stanley Dean Witter Dividend Growth Securities Inc.
 13. Morgan Stanley Dean Witter Capital Growth Securities
 14. Morgan Stanley Dean Witter Global Dividend Growth Securities
 15. Morgan Stanley Dean Witter Income Builder Fund
 16. Morgan Stanley Dean Witter Natural Resource Development Securities Inc.
 17. Morgan Stanley Dean Witter Precious Metals and Minerals Trust
 18. Morgan Stanley Dean Witter Developing Growth Securities Trust
 19. Morgan Stanley Dean Witter Health Sciences Trust
 20. Morgan Stanley Dean Witter Capital Appreciation Fund
 21. Morgan Stanley Dean Witter Information Fund
 22. Morgan Stanley Dean Witter Value-Added Market Series
 23. Morgan Stanley Dean Witter European Growth Fund Inc.
 24. Morgan Stanley Dean Witter Pacific Growth Fund Inc.
 25. Morgan Stanley Dean Witter International SmallCap Fund
 26. Morgan Stanley Dean Witter Japan Fund
 27. Morgan Stanley Dean Witter Utilities Fund
 28. Morgan Stanley Dean Witter Global Utilities Fund
 29. Morgan Stanley Dean Witter Special Value Fund
 30. Morgan Stanley Dean Witter Financial Services Trust
 31. Morgan Stanley Dean Witter Market Leader Trust
 32. Morgan Stanley Dean Witter Fund of Funds
 33. Morgan Stanley Dean Witter S&P 500 Index Fund
 34. Morgan Stanley Dean Witter Competitive Edge Fund
 35. Morgan Stanley Dean Witter Mid-Cap Dividend Growth Securities
 36. Morgan Stanley Dean Witter Equity Fund
 37. Morgan Stanley Dean Witter Growth Fund
 38. Morgan Stanley Dean Witter S&P 500 Select Fund
     BALANCED FUNDS

 39. Morgan Stanley Dean Witter Balanced Growth Fund
 40. Morgan Stanley Dean Witter Balanced Income Trust

     ASSET ALLOCATION FUNDS

 41. Morgan Stanley Dean Witter Strategist Fund
 42. Dean Witter Global Asset Allocation Fund


                                         -19-
<PAGE>

     FIXED INCOME FUNDS

 43. Morgan Stanley Dean Witter High Yield Securities Inc.
 44. Morgan Stanley Dean Witter High Income Securities
 45. Morgan Stanley Dean Witter Convertible Securities Trust
 46. Morgan Stanley Dean Witter Intermediate Income Securities
 47. Morgan Stanley Dean Witter Short-Term Bond Fund
 48. Morgan Stanley Dean Witter World Wide Income Trust
 49. Morgan Stanley Dean Witter Global Short-Term Income Fund Inc.
 50. Morgan Stanley Dean Witter Diversified Income Trust
 51. Morgan Stanley Dean Witter U.S. Government Securities Trust
 52. Morgan Stanley Dean Witter Federal Securities Trust
 53. Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust
 54. Morgan Stanley Dean Witter Intermediate Term U.S. Treasury Trust
 55. Morgan Stanley Dean Witter Tax-Exempt Securities Trust
 56. Morgan Stanley Dean Witter Limited Term Municipal Trust
 57. Morgan Stanley Dean Witter California Tax-Free Income Fund
 58. Morgan Stanley Dean Witter New York Tax-Free Income Fund
 59. Morgan Stanley Dean Witter Hawaii Municipal Trust
 60. Morgan Stanley Dean Witter Multi-State Municipal Series Trust
 61. Morgan Stanley Dean Witter Select Municipal Reinvestment Fund

     SPECIAL PURPOSE FUNDS

 62. Dean Witter Retirement Series
 63. Morgan Stanley Dean Witter Variable Investment Series
 64. Morgan Stanley Dean Witter Select Dimensions Investment Series

     TCW/DW FUNDS

 65. TCW/DW North American Government Income Trust
 66. TCW/DW Latin American Growth Fund
 67. TCW/DW Income and Growth Fund
 68. TCW/DW Small Cap Growth Fund
 69. TCW/DW Total Return Trust


                                         -20-
<PAGE>

 70. TCW/DW Global Telecom Trust
 71. TCW/DW Mid-Cap Equity Trust
 72. TCW/DW Emerging Markets Opportunities Trust


                         By:
                              ----------------------------------
                              Barry Fink
                              Vice President and General Counsel

ATTEST:

- ------------------------
Assistant Secretary

                         MORGAN STANLEY DEAN WITTER TRUST FSB

                         By:
                              ----------------------------------
                              John Van Heuvelen
                              President

ATTEST:

- ------------------------
Executive Vice President


                                         -21-
<PAGE>


                                      EXHIBIT A


Morgan Stanley Dean Witter Trust FSB
Harborside Financial Center
Plaza Two
Jersey City, NJ 07311


Gentlemen:

          The undersigned, (INSET NAME OF INVESTMENT COMPANY) a (Massachusetts
business trust/Maryland corporation) (the "Fund"), desires to employ and appoint
Morgan Stanley Dean Witter Trust FSB ("MSDW TRUST") to act as transfer agent for
each series and class of shares of the Fund, whether now or hereafter authorized
or issued ("Shares"), dividend disbursing agent and shareholder servicing agent,
registrar and agent in connection with any accumulation, open-account or similar
plan provided to the holders of Shares, including without limitation any
periodic investment plan or periodic withdrawal plan.


          The Fund hereby agrees that, in consideration for the payment by the
Fund to MSDW TRUST of fees as set out in the fee schedule attached hereto as
Schedule A, MSDW TRUST shall provide such services to the Fund pursuant to the
terms and conditions set forth in the Transfer Agency and Service Agreement
annexed hereto, as if the Fund was a signatory thereto.


                                         -22-
<PAGE>

          Please indicate MSDW TRUST's acceptance of employment and appointment
by the Fund in the capacities set forth above by so indicating in the space
provided below.

                              Very truly yours,


                              (NAME OF FUND)


                              By:
                                   -------------------------------------
                                   Barry Fink
                                   Vice President and General Counsel


ACCEPTED AND AGREED TO:



MORGAN STANLEY DEAN WITTER TRUST FSB



By:
   -----------------------
Its:
    ----------------------
Date:
     ---------------------


                                         -23-
<PAGE>

                                     SCHEDULE A


Fund:     Morgan Stanley Dean Witter New York Municipal Money Market Trust

Fees:     (1)  Annual maintenance fee of $15.00 per shareholder account, payable
          monthly.

          (2)  A fee equal to 1/12 of the fee set forth in (1) above, for
          providing Forms 1099 for accounts closed during the year, payable
          following the end of the calendar year.

          (3)  Out-of-pocket expenses in accordance with Section 2.2 of the
          Agreement.

          (4)  Fees for additional services not set forth in this Agreement
          shall be as negotiated between the parties.


                                         -24-

<PAGE>
                               SERVICES AGREEMENT

    AGREEMENT made as of the 17th day of April, 1995, and amended as of June 22,
1998, by and between Morgan Stanley Dean Witter Advisors Inc., a Delaware
corporation (herein referred to as "MSDW Advisors"), and Morgan Stanley Dean
Witter Services Company Inc., a Delaware corporation (herein referred to as
"MSDW Services").

    WHEREAS, MSDW Advisors has entered into separate agreements (each such
agreement being herein referred to as an "Investment Management Agreement") with
certain investment companies as set forth on Schedule A (each such investment
company being herein referred to as a "Fund" and, collectively, as the "Funds")
pursuant to which MSDW Advisors is to perform, or supervise the performance of,
among other services, administrative services for the Funds (and, in the case of
Funds with multiple portfolios, the Series or Portfolios of the Funds (such
Series and Portfolio being herein individually referred to as "a Series" and,
collectively, as "the Series"));

    WHEREAS, MSDW Advisors desires to retain MSDW Services to perform the
administrative services as described below; and

    WHEREAS, MSDW Services desires to be retained by MSDW Advisors to perform
such administrative services:

    Now, therefore, in consideration of the mutual covenants and agreements of
the parties hereto as herein set forth, the parties covenant and agree as
follows:

    1. MSDW Services agrees to provide administrative services to each Fund as
hereinafter set forth. Without limiting the generality of the foregoing, MSDW
Services shall (i) administer the Fund's business affairs and supervise the
overall day-to-day operations of the Fund (other than rendering investment
advice); (ii) provide the Fund with full administrative services, including the
maintenance of certain books and records, such as journals, ledger accounts and
other records required under the Investment Company Act of 1940, as amended (the
"Act"), the notification to the Fund and MSDW Advisors of available funds for
investment, the reconciliation of account information and balances among the
Fund's custodian, transfer agent and dividend disbursing agent and MSDW
Advisors, and the calculation of the net asset value of the Fund's shares; (iii)
provide the Fund with the services of persons competent to perform such
supervisory, administrative and clerical functions as are necessary to provide
effective operation of the Fund; (iv) oversee the performance of administrative
and professional services rendered to the Fund by others, including its
custodian, transfer agent and dividend disbursing agent, as well as accounting,
auditing and other services; (v) provide the Fund with adequate general office
space and facilities; (vi) assist in the preparation and the printing of the
periodic updating of the Fund's registration statement and prospectus (and, in
the case of an open-end Fund, the statement of additional information), tax
returns, proxy statements, and reports to its shareholders and the Securities
and Exchange Commission; and (vii) monitor the compliance of the Fund's
investment policies and restrictions.

    In the event that MSDW Advisors enters into an Investment Management
Agreement with another investment company, and wishes to retain MSDW Services to
perform administrative services hereunder, it shall notify MSDW Services in
writing. If MSDW Services is willing to render such services, it shall notify
MSDW Advisors in writing, whereupon such other Fund shall become a Fund as
defined herein.

    2. MSDW Services shall, at its own expense, maintain such staff and employ
or retain such personnel and consult with such other persons as it shall from
time to time determine to be necessary or useful to the performance of its
obligations under this Agreement. Without limiting the generality of the
foregoing, the staff and personnel of MSDW Services shall be deemed to include
officers of MSDW Services and persons employed or otherwise retained by MSDW
Services (including officers and employees of MSDW Advisors, with the consent of
MSDW Advisors) to furnish services, statistical and other factual data,
information with respect to technical and scientific developments, and such
other information, advice and assistance as MSDW Services may desire. MSDW
Services shall maintain each Fund's records and books of account

                                       1

98NYC8262
<PAGE>
(other than those maintained by the Fund's transfer agent, registrar, custodian
and other agencies). All such books and records so maintained shall be the
property of the Fund and, upon request therefor, MSDW Services shall surrender
to MSDW Advisors or to the Fund such of the books and records so requested.

    3. MSDW Advisors will, from time to time, furnish or otherwise make
available to MSDW Services such financial reports, proxy statements and other
information relating to the business and affairs of the Fund as MSDW Services
may reasonably require in order to discharge its duties and obligations to the
Fund under this Agreement or to comply with any applicable law and regulation or
request of the Board of Directors/Trustees of the Fund.

    4. For the services to be rendered, the facilities furnished, and the
expenses assumed by MSDW Services, MSDW Advisors shall pay to MSDW Services
monthly compensation calculated daily (in the case of an open-end Fund) or
weekly (in the case of a closed-end Fund) by applying the annual rate or rates
set forth on Schedule B to the net assets of each Fund. Except as hereinafter
set forth, (i) in the case of an open-end Fund, compensation under this
Agreement shall be calculated by applying 1/365th of the annual rate or rates to
the Fund's or the Series' daily net assets determined as of the close of
business on that day or the last previous business day and (ii) in the case of a
closed-end Fund, compensation under this Agreement shall be calculated by
applying the annual rate or rates to the Fund's average weekly net assets
determined as of the close of the last business day of each week. If this
Agreement becomes effective subsequent to the first day of a month or shall
terminate before the last day of a month, compensation for that part of the
month this Agreement is in effect shall be prorated in a manner consistent with
the calculation of the fees as set forth on Schedule B. Subject to the
provisions of paragraph 5 hereof, payment of MSDW Services' compensation for the
preceding month shall be made as promptly as possible after completion of the
computations contemplated by paragraph 5 hereof.

    5. In the event the operating expenses of any open-end Fund and/or any
Series thereof, or of InterCapital Income Securities Inc., including amounts
payable to MSDW Advisors pursuant to the Investment Management Agreement, for
any fiscal year ending on a date on which this Agreement is in effect, exceed
the expense limitations applicable to the Fund and/or any Series thereof imposed
by state securities laws or regulations thereunder, as such limitations may be
raised or lowered from time to time, or, in the case of InterCapital Income
Securities Inc. or Morgan Stanley Dean Witter Variable Investment Series or any
Series thereof, the expense limitation specified in the Fund's Investment
Management Agreement, the fee payable hereunder shall be reduced on a pro rata
basis in the same proportion as the fee payable by the Fund under the Investment
Management Agreement is reduced.

    6. MSDW Services shall bear the cost of rendering the administrative
services to be performed by it under this Agreement, and shall, at its own
expense, pay the compensation of the officers and employees, if any, of the Fund
employed by MSDW Services, and such clerical help and bookkeeping services as
MSDW Services shall reasonably require in performing its duties hereunder.

    7. MSDW Services will use its best efforts in the performance of
administrative activitives on behalf of each Fund, but in the absence of willful
misfeasance, bad faith, gross negligence or reckless disregard of its
obligations hereunder, MSDW Services shall not be liable to the Fund or any of
its investors for any error of judgment or mistake of law or for any act or
omission by MSDW Services or for any losses sustained by the Fund or its
investors. It is understood that, subject to the terms and conditions of the
Investment Management Agreement between each Fund and MSDW Advisors, MSDW
Advisors shall retain ultimate responsibility for all services to be performed
hereunder by MSDW Services. MSDW Services shall indemnify MSDW Advisors and hold
it harmless from any liability that MSDW Advisors may incur arising out of any
act or failure to act by MSDW Services in carrying out its responsibilities
hereunder.

    8. It is understood that any of the shareholders, Directors/Trustees,
officers and employees of the Fund may be a shareholder, director, officer or
employee of, or be otherwise interested in, MSDW Services, and in any person
controlling, controlled by or under common control with MSDW Services, and that
MSDW Services and any person controlling, controlled by or under common control
with MSDW

                                       2
<PAGE>
Services may have an interest in the Fund. It is also understood that MSDW
Services and any affiliated persons thereof or any persons controlling,
controlled by or under common control with MSDW Services have and may have
advisory, management, administration service or other contracts with other
organizations and persons, and may have other interests and businesses, and
further may purchase, sell or trade any securities or commodities for their own
accounts or for the account of others for whom they may be acting.

    9. This Agreement shall continue until April 30, 1999, and thereafter shall
continue automatically for successive periods of one year unless terminated by
either party by written notice delivered to the other party within 30 days of
the expiration of the then-existing period. Notwithstanding the foregoing, this
Agreement may be terminated at any time, by either party on 30 days' written
notice delivered to the other party. In the event that the Investment Management
Agreement between any Fund and MSDW Advisors is terminated, this Agreement will
automatically terminate with respect to such Fund.

    10. This Agreement may be amended or modified by the parties in any manner
by written agreement executed by each of the parties hereto.

    11. This Agreement may be assigned by either party with the written consent
of the other party.

    12. This Agreement shall be construed and interpreted in accordance with the
laws of the State of New York.

    IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement, as amended, on June 22, 1998 in New York, New York.

<TABLE>
<S>                                            <C>
                                               MORGAN STANLEY DEAN WITTER ADVISORS INC.

                                               By: -----------------------------------------

Attest:
- ---------------------------------------------

                                               MORGAN STANLEY DEAN WITTER SERVICES COMPANY
                                               INC.

                                               By: -----------------------------------------

Attest:
- ---------------------------------------------
</TABLE>

                                       3
<PAGE>
                                   SCHEDULE A
                        MORGAN STANLEY DEAN WITTER FUNDS
                       AS AMENDED AS OF DECEMBER 2, 1998

                                 OPEN-END FUNDS

<TABLE>
<C>        <S>
       1.  Active Assets California Tax-Free Trust
       2.  Active Assets Government Securities Trust
       3.  Active Assets Money Trust
       4.  Active Assets Tax-Free Trust
       5.  Morgan Stanley Dean Witter Aggressive Equity Fund
       6.  Morgan Stanley Dean Witter American Value Fund
       7.  Morgan Stanley Dean Witter Balanced Growth Fund
       8.  Morgan Stanley Dean Witter Balanced Income Fund
       9.  Morgan Stanley Dean Witter California Tax-Free Daily Income Trust
      10.  Morgan Stanley Dean Witter California Tax-Free Income Fund
      11.  Morgan Stanley Dean Witter Capital Appreciation Fund
      12.  Morgan Stanley Dean Witter Capital Growth Securities
      13.  Morgan Stanley Dean Witter Competitive Edge Fund, "BEST IDEAS" Portfolio
      14.  Morgan Stanley Dean Witter Convertible Securities Trust
      15.  Morgan Stanley Dean Witter Developing Growth Securities Trust
      16.  Morgan Stanley Dean Witter Diversified Income Trust
      17.  Morgan Stanley Dean Witter Dividend Growth Securities Inc.
      18.  Morgan Stanley Dean Witter Equity Fund
      19.  Morgan Stanley Dean Witter European Growth Fund Inc.
      20.  Morgan Stanley Dean Witter Federal Securities Trust
      21.  Morgan Stanley Dean Witter Financial Services Trust
      22.  Morgan Stanley Dean Witter Fund of Funds
           (i)  Domestic Portfolio
           (ii) International Portfolio
      23.  Morgan Stanley Dean Witter Global Dividend Growth Securities
      24.  Morgan Stanley Dean Witter Global Short-Term Income Fund Inc.
      25.  Morgan Stanley Dean Witter Global Utilities Fund
      26.  Morgan Stanley Dean Witter Growth Fund
      27.  Morgan Stanley Dean Witter Hawaii Municipal Trust
      28.  Morgan Stanley Dean Witter Health Sciences Trust
      29.  Morgan Stanley Dean Witter High Yield Securities Inc.
      30.  Morgan Stanley Dean Witter Income Builder Fund
      31.  Morgan Stanley Dean Witter Information Fund
      32.  Morgan Stanley Dean Witter Intermediate Income Securities
      33.  Morgan Stanley Dean Witter International Fund
      34.  Morgan Stanley Dean Witter International SmallCap Fund
      35.  Morgan Stanley Dean Witter Japan Fund
      36.  Morgan Stanley Dean Witter Limited Term Municipal Trust
      37.  Morgan Stanley Dean Witter Liquid Asset Fund Inc.
      38.  Morgan Stanley Dean Witter Managers Focus Fund
      39.  Morgan Stanley Dean Witter Market Leader Trust
      40.  Morgan Stanley Dean Witter Mid-Cap Dividend Growth Securities
      41.  Morgan Stanley Dean Witter Mid-Cap Growth Fund
      42.  Morgan Stanley Dean Witter Multi-State Municipal Series Trust
      43.  Morgan Stanley Dean Witter Natural Resource Development Securities Inc.
</TABLE>

                                      A-1
<PAGE>
<TABLE>
<C>        <S>
      44.  Morgan Stanley Dean Witter New York Municipal Money Market Trust
      45.  Morgan Stanley Dean Witter New York Tax-Free Income Fund
      46.  Morgan Stanley Dean Witter Pacific Growth Fund Inc.
      47.  Morgan Stanley Dean Witter Precious Metals and Minerals Trust
      48.  Morgan Stanley Dean Witter Select Dimensions Investment Series
           (i)     American Value Portfolio
           (ii)    Balanced Growth Portfolio
           (iii)   Developing Growth Portfolio
           (iv)    Diversified Income Portfolio
           (v)     Dividend Growth Portfolio
           (vi)    Emerging Markets Portfolio
           (vii)   Global Equity Portfolio
           (viii)  Growth Portfolio
           (ix)    Mid-Cap Growth Portfolio
           (x)     Money Market Portfolio
           (xi)    North American Government Securities Portfolio
           (xii)   Utilities Portfolio
           (xiii)  Value-Added Market Portfolio
      49.  Morgan Stanley Dean Witter Select Municipal Reinvestment Fund
      50.  Morgan Stanley Dean Witter U.S. Government Money Market Trust
      51.  Morgan Stanley Dean Witter Utilities Fund
      52.  Morgan Stanley Dean Witter Short-Term Bond Fund
      53.  Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust
      54.  Morgan Stanley Dean Witter Special Value Fund
      55.  Morgan Stanley Dean Witter Strategist Fund
      56.  Morgan Stanley Dean Witter S&P 500 Index Fund
      57.  Morgan Stanley Dean Witter S&P 500 Select Fund
      58.  Morgan Stanley Dean Witter Tax-Exempt Securities Trust
      59.  Morgan Stanley Dean Witter Tax-Free Daily Income Trust
      60.  Morgan Stanley Dean Witter U.S. Government Securities Trust
      61.  Morgan Stanley Dean Witter Value Fund
      62.  Morgan Stanley Dean Witter Value-Added Market Series
      63.  Morgan Stanley Dean Witter Variable Investment Series
           (i)     Capital Appreciation Portfolio
           (ii)    Capital Growth Portfolio
           (iii)   Competitive Edge "Best Ideas" Portfolio
           (iv)    Dividend Growth Portfolio
           (v)     Equity Portfolio
           (vi)    European Growth Portfolio
           (vii)   Global Dividend Growth Portfolio
           (viii)  High Yield Portfolio
           (ix)    Income Builder Portfolio
           (x)     Money Market Portfolio
           (xi)    Quality Income Plus Portfolio
           (xii)   Pacific Growth Portfolio
           (xiii)  S&P 500 Index Portfolio
           (xiv)   Strategist Portfolio
           (xv)    Utilities Portfolio
      64.  Morgan Stanley Dean Witter World Wide Income Trust
      65.  Morgan Stanley Dean Witter Worldwide High Income Fund
</TABLE>

                                      A-2
<PAGE>
<TABLE>
<CAPTION>
                                              CLOSED-END FUNDS
<C>        <S>
      66.  High Income Advantage Trust
      67.  High Income Advantage Trust II
      68.  High Income Advantage Trust III
      69.  InterCapital Income Securities Inc.
      70.  Dean Witter Government Income Trust
      71.  InterCapital Insured Municipal Bond Trust
      72.  InterCapital Insured Municipal Trust
      73.  InterCapital Insured Municipal Income Trust
      74.  InterCapital California Insured Municipal Income Trust
      75.  InterCapital Insured Municipal Securities
      76.  InterCapital Insured California Municipal Securities
      77.  InterCapital Quality Municipal Investment Trust
      78.  InterCapital Quality Municipal Income Trust
      79.  InterCapital Quality Municipal Securities
      80.  InterCapital California Quality Municipal Securities
      81.  InterCapital New York Quality Municipal Securities
</TABLE>

                                      A-3
<PAGE>
                                                                      SCHEDULE B

                MORGAN STANLEY DEAN WITTER SERVICES COMPANY INC.
                        SCHEDULE OF ADMINISTRATIVE FEES
                       AS AMENDED AS OF DECEMBER 2, 1998

    Monthly compensation calculated daily by applying the following annual rates
to a fund's daily net assets:

<TABLE>
<S>                                                                <C>
FIXED INCOME FUNDS

Morgan Stanley Dean Witter Balanced Income Fund                    0.060% of the daily net assets.

Morgan Stanley Dean Witter California Tax-Free Income Fund         0.055% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.0525% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.050% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.0475% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.25 billion; and
                                                                   0.045% of the portion of the daily net assets exceeding $1.25
                                                                   billion.

Morgan Stanley Dean Witter Convertible Securities Trust            0.060% of the portion of the daily net assets not exceeding $750
                                                                   million; 0.055% of the portion of the daily net assets exceeding
                                                                   $750 million but not exceeding $1 billion; 0.050% of the portion
                                                                   of the daily net assets of the exceeding $1 billion but not
                                                                   exceeding $1.5 billion; 0.0475% of the portion of the daily net
                                                                   assets exceeding $1.5 billion but not exceeding $2 billion;
                                                                   0.045% of the portion of the daily net assets exceeding $2
                                                                   billion but not exceeding $3 billion; and 0.0425% of the portion
                                                                   of the daily net assets exceeding $3 billion.

Morgan Stanley Dean Witter Diversified Income Trust                0.040% of the daily net assets.

Morgan Stanley Dean Witter Federal Securities Trust                0.055% of the portion of the daily net assets not exceeding $1
                                                                   billion; 0.0525% of the portion of the daily net assets exceeding
                                                                   $1 billion but not exceeding $1.5 billion; 0.050% of the portion
                                                                   of the daily net assets exceeding $1.5 billion but not exceeding
                                                                   $2 billion; 0.0475% of the portion of the daily net assets
                                                                   exceeding $2 billion but not exceeding $2.5 billion; 0.045% of
                                                                   the portion of the daily net assets exceeding $2.5 billion but
                                                                   not exceeding $5 billion; 0.0425% of the portion of the daily net
                                                                   assets exceeding $5 billion but not exceeding $7.5 billion;
                                                                   0.040% of the portion of the daily net assets exceeding $7.5
                                                                   billion but not exceeding $10 billion; 0.0375% of the portion of
                                                                   the daily net assets exceeding $10 billion but not exceeding
                                                                   $12.5 billion; and 0.035% of the portion of the daily net assets
                                                                   exceeding $12.5 billion.

Morgan Stanley Dean Witter Global Short-Term Income Fund Inc.      0.055% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.050% of the portion of the daily net assets
                                                                   exceeding $500 million.
</TABLE>

                                      B-1
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter Hawaii Municipal Trust                  0.035% of the daily net assets.

Morgan Stanley Dean Witter High Yield Securities Inc.              0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $2 billion; 0.0325%
                                                                   of the portion of the daily net assets exceeding $2 billion but
                                                                   not exceeding $3 billion; and 0.030% of the portion of daily net
                                                                   assets exceeding $3 billion.

Morgan Stanley Dean Witter Intermediate Income Securities          0.060% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.050% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.040% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; and 0.030% of the portion of the daily net
                                                                   assets exceeding $1 billion.

Morgan Stanley Dean Witter Limited Term Municipal Trust            0.050% of the daily net assets.

Morgan Stanley Dean Witter Multi-State Municipal Series Trust      0.035% of the daily net assets.
  (10 Series)

Morgan Stanley Dean Witter New York Tax-Free Income Fund           0.055% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.0525% of the portion of the daily net assets
                                                                   exceeding $500 million.

Morgan Stanley Dean Witter Select Dimensions Investment Series--   0.039% of the daily net assets.
  North American Government Securities Portfolio

Morgan Stanley Dean Witter Select Municipal Reinvestment Fund      0.050% of the daily net assets.

Morgan Stanley Dean Witter Short-Term Bond Fund                    0.070% of the daily net assets.

Morgan Stanley Dean Witter Short-Term U.S. Treasury Trust          0.035% of the daily net assets.

Morgan Stanley Dean Witter Tax-Exempt Securities Trust             0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; and 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.25 billion;
                                                                   .0325% of the portion of the daily net assets exceeding $1.25
                                                                   billion.
</TABLE>

                                      B-2
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter U.S. Government Securities Trust        0.050% of the portion of the daily net assets not exceeding $1
                                                                   billion; 0.0475% of the portion of the daily net assets exceeding
                                                                   $1 billion but not exceeding $1.5 billion; 0.045% of the portion
                                                                   of the daily net assets exceeding $1.5 billion but not exceeding
                                                                   $2 billion; 0.0425% of the portion of the daily net assets
                                                                   exceeding $2 billion but not exceeding $2.5 billion; 0.040% of
                                                                   the portion of the daily net assets exceeding $2.5 billion but
                                                                   not exceeding $5 billion; 0.0375% of the portion of the daily net
                                                                   assets exceeding $5 billion but not exceeding $7.5 billion;
                                                                   0.035% of the portion of the daily net assets exceeding $7.5
                                                                   billion but not exceeding $10 billion; 0.0325% of the portion of
                                                                   the daily net assets exceeding $10 billion but not exceeding
                                                                   $12.5 billion; and 0.030% of the portion of the daily net assets
                                                                   exceeding $12.5 billion.

Morgan Stanley Dean Witter Variable Investment Series--            0.050% of the portion of the daily net assets not exceeding $500
  High Yield Portfolio                                             million; and 0.0425% of the daily net assets exceeding $500
                                                                   million.

  Quality Income Plus Portfolio                                    0.050% of the portion of the daily the net assets up to $500
                                                                   million; and 0.045% of the portion of the daily net assets
                                                                   exceeds $500 million.

Morgan Stanley Dean Witter World Wide Income Trust                 0.075% of the portion of the daily net assets up to $250 million;
                                                                   0.060% of the portion of the daily net assets exceeding $250
                                                                   million but not exceeding $500 million; 0.050% of the portion of
                                                                   the daily net assets of the exceeding $500 million but not
                                                                   exceeding $750 million; 0.040% of the portion of the daily net
                                                                   assets exceeding $750 million but not exceeding $1 billion; and
                                                                   0.030% of the portion of the daily net assets exceeding $1
                                                                   billion.

Morgan Stanley Dean Witter Worldwide High Income Fund              0.060% of the daily net assets.

EQUITY FUNDS

Morgan Stanley Dean Witter Aggressive Equity Fund                  0.075% of the daily net assets.

Morgan Stanley Dean Witter American Value Fund                     0.0625% of the portion of the daily net assets not exceeding $250
                                                                   million; 0.050% of the portion of the daily net assets exceeding
                                                                   $250 million but not exceeding $2.25 billion; 0.0475% of the
                                                                   portion of the daily net assets exceeding $2.25 billion but not
                                                                   exceeding $3.5 billion; 0.0450% of the portion of the daily net
                                                                   assets exceeding $3.5 billion but not exceeding $4.5 billion; and
                                                                   0.0425% of the portion of the daily net assets exceeding $4.5
                                                                   billion.

Morgan Stanley Dean Witter Balanced Growth Fund                    0.060% of the daily net assets.

Morgan Stanley Dean Witter Capital Appreciation Fund               0.075% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.0725% of the portion of the daily net assets
                                                                   exceeding $500 million.
</TABLE>

                                      B-3
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter Capital Growth Securities               0.065% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.055% of the portion exceeding $500 million but not
                                                                   exceeding $1 billion; 0.050% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion; and
                                                                   0.0475% of the portion of the daily net assets exceeding $1.5
                                                                   billion.

Morgan Stanley Dean Witter Competitive Edge Fund, "BEST IDEAS"     0.065% of the portion of the daily net assets not exceeding $1.5
  Portfolio                                                        billion; and 0.0625% of the portion of the daily net assets
                                                                   exceeding $1.5 billion.

Morgan Stanley Dean Witter Developing Growth Securities Trust      0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.0475% of the portion of the daily net assets
                                                                   exceeding $500 million.

Morgan Stanley Dean Witter Dividend Growth Securities Inc.         0.0625% of the portion of the daily net assets not exceeding $250
                                                                   million; 0.050% of the portion of the daily net assets exceeding
                                                                   $250 million but not exceeding $1 billion; 0.0475% of the portion
                                                                   of the daily net assets exceeding $1 billion but not exceeding $2
                                                                   billion; 0.045% of the portion of the daily net assets exceeding
                                                                   $2 billion but not exceeding $3 billion; 0.0425% of the portion
                                                                   of the daily net assets exceeding $3 billion but not exceeding $4
                                                                   billion; 0.040% of the portion of the daily net assets exceeding
                                                                   $4 billion but not exceeding $5 billion; 0.0375% of the portion
                                                                   of the daily net assets exceeding $5 billion but not exceeding $6
                                                                   billion; 0.035% of the portion of the daily net assets exceeding
                                                                   $6 billion but not exceeding $8 billion; 0.0325% of the portion
                                                                   of the daily net assets exceeding $8 billion but not exceeding
                                                                   $10 billion; 0.030% of the portion of the daily net assets
                                                                   exceeding $10 billion but not exceeding $15 billion; and 0.0275%
                                                                   of the portion of the daily net assets exceeding $15 billion.

Morgan Stanley Dean Witter                                         0.051% of the daily net assets.
  Equity Fund

Morgan Stanley Dean Witter European Growth Fund Inc.               0.057% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.054% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $2 billion; and 0.051% of the
                                                                   portion of the daily net assets exceeding $2 billion.

Morgan Stanley Dean Witter Financial Services Trust                0.075% of the daily net assets.

Morgan Stanley Dean Witter Fund of Funds-
  Domestic Portfolio                                               None
  International Portfolio                                          None
</TABLE>

                                      B-4
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter Global Dividend Growth Securities       0.075% of the portion of the daily net assets not exceeding $1
                                                                   billion; 0.0725% of the portion of the daily net assets exceeding
                                                                   $1 billion but not exceeding $1.5 billion; 0.070% of the portion
                                                                   of the daily net assets exceeding $1.5 billion but not exceeding
                                                                   $2.5 billion; 0.0675% of the portion of the daily net assets
                                                                   exceeding $2.5 billion but not exceeding $3.5 billion; 0.0650% of
                                                                   the portion of the daily net assets exceeding $3.5 billion but
                                                                   not exceeding $4.5 billion; and 0.0625% of the portion of the
                                                                   daily net assets exceeding $4.5 billion.

Morgan Stanley Dean Witter Global Utilities Fund                   0.065% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.0625% of the portion of the daily net assets
                                                                   exceeding $500 million.

Morgan Stanley Dean Witter Growth Fund                             0.048% of the portion of daily net assets not exceeding $750
                                                                   million; 0.045% of the portion of daily net assets exceeding $750
                                                                   million but not exceeding $1.5 billion; and 0.042% of the portion
                                                                   of daily net assets exceeding $1.5 billion.

Morgan Stanley Dean Witter Health Sciences Trust                   0.10% of the portion of daily net assets not exceeding $500
                                                                   million; and 0.095% of the portion of daily net assets exceeding
                                                                   $500 million.

Morgan Stanley Dean Witter Income Builder Fund                     0.075% of the portion of the net assets not exceeding $500
                                                                   million; and 0.0725% of the portion of daily net assets exceeding
                                                                   $500 million.

Morgan Stanley Dean Witter Information Fund                        0.075% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.0725% of the portion of the daily net assets
                                                                   exceeding $500 million.

Morgan Stanley Dean Witter International Fund                      0.060% of the daily net assets.

Morgan Stanley Dean Witter International SmallCap Fund             0.069% of the daily net assets.

Morgan Stanley Dean Witter                                         0.057% of the daily net assets.
  Japan Fund

Morgan Stanley Dean Witter Managers Focus Fund                     0.0625% of the daily net assets.

Morgan Stanley Dean Witter Market Leader Trust                     0.075% of the daily net assets.

Morgan Stanley Dean Witter                                         0.075 of the daily net assets.
  Mid-Cap Dividend Growth Securities

Morgan Stanley Dean Witter                                         0.075% of the portion of the daily net assets not exceeding $500
  Mid-Cap Growth Fund                                              million; and 0.0725% of the portion of the daily net assets
                                                                   exceeding $500 million.

Morgan Stanley Dean Witter Natural Resource Development            0.0625% of the portion of the daily net assets not exceeding $250
  Securities Inc.                                                  million and 0.050% of the portion of the daily net assets
                                                                   exceeding $250 million.
</TABLE>

                                      B-5
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter Pacific Growth Fund Inc.                0.057% of the portion of the daily net assets not exceeding $1
                                                                   billion; 0.054% of the portion of the daily net assets exceeding
                                                                   $1 billion but not exceeding $2 billion; and 0.051% of the
                                                                   portion of the daily net assets exceeding $2 billion.

Morgan Stanley Dean Witter Precious Metals and                     0.080% of the daily net assets.
  Minerals Trust

Morgan Stanley Dean Witter Select Dimensions Investment Series--
  American Value Portfolio                                         0.0625% of the daily net assets.
  Balanced Growth Portfolio                                        0.065% of the daily net assets.
  Developing Growth Portfolio                                      0.050% of the daily net assets.
  Diversified Income Portfolio                                     0.040% of the daily net assets.
  Dividend Growth Portfolio                                        0.0625% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.050% of the portion of the daily net assets
                                                                   exceeding $500 million.
  Emerging Markets Portfolio                                       0.075% of the daily net assets.
  Global Equity Portfolio                                          0.10% of the daily net assets.
  Growth Portfolio                                                 0.048% of the daily net assets.
  Mid-Cap Growth Portfolio                                         0.075% of the daily net assets
  Utilities Portfolio                                              0.065% of the daily net assets.
  Value-Added Market Portfolio                                     0.050% of the daily net assets.

Morgan Stanley Dean Witter Special Value Fund                      0.075% of the daily net assets.

Morgan Stanley Dean Witter Strategist Fund                         0.060% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.055% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $1 billion; 0.050% of the portion
                                                                   of the daily net assets exceeding $1 billion but not exceeding
                                                                   $1.5 billion; 0.0475% of the portion of the daily net assets
                                                                   exceeding $1.5 billion but not exceeding $2.0 billion; and 0.045%
                                                                   of the portion of the daily net assets exceeding $2.0 billion.

Morgan Stanley Dean Witter                                         0.040% of the daily net assets.
  S&P 500 Index Fund

Morgan Stanley Dean Witter                                         0.060% of the daily net assets.
  S&P 500 Select Fund

Morgan Stanley Dean Witter Utilities Fund                          0.065% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.055% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $1 billion; 0.0525% of the portion
                                                                   of the daily net assets exceeding $1 billion but not exceeding
                                                                   $1.5 billion; 0.050% of the portion of the daily net assets
                                                                   exceeding $1.5 billion but not exceeding $2.5 billion; 0.0475% of
                                                                   the portion of the daily net assets exceeding $2.5 billion but
                                                                   not exceeding $3.5 billion; 0.045% of the portion of the daily
                                                                   net assets exceeding $3.5 but not exceeding $5 billion; and
                                                                   0.0425% of the daily net assets exceeding $5 billion.
</TABLE>

                                      B-6
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter Value Fund                              0.060% of the daily net assets.

Morgan Stanley Dean Witter Value-Added Market Series               0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.45% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $1 billion; 0.0425% of the portion
                                                                   of the daily net assets exceeding $1.0 billion but not exceeding
                                                                   $2.0 billion; and 0.040% of the portion of the daily net assets
                                                                   exceeding $2 billion.

Morgan Stanley Dean Witter Variable Investment Series--
  Capital Appreciation Portfolio                                   0.075% of the daily net assets.
  Capital Growth Portfolio                                         0.065% of the daily net assets.
  Competitive Edge "Best Ideas" Portfolio                          0.065% of the daily net assets.
  Dividend Growth Portfolio                                        0.0625% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.050% of the portion of the daily net assets
                                                                   exceeding $500 million but not exceeding $1 billion; 0.0475% of
                                                                   the portion of the daily net assets exceeding $1.0 billion but
                                                                   not exceeding $2.0 billion; and 0.045% of the portion of the
                                                                   daily net assets exceeding $2 billion.
  Equity Portfolio                                                 0.050% of the portion of the daily net assets not exceeding $1
                                                                   billion; and 0.0475% of the portion of the daily net assets
                                                                   exceeding $1 billion.
  European Growth Portfolio                                        0.057% of the portion of the daily net assets not exceeding $500
                                                                   million; and 0.054% of the portion of the daily net assets
                                                                   exceeding $500 million.
  Income Builder Portfolio                                         0.075% of the daily net assets.
  Pacific Growth Portfolio                                         0.057% of the daily net assets.
  S&P 500 Index Portfolio                                          0.040% of the daily net assets.
  Strategist Portfolio                                             0.050% of the daily net assets.
  Utilities Portfolio                                              0.065% of the portion of the daily net assets not exceeding $500
                                                                   million and 0.055% of the portion of the daily net assets
                                                                   exceeding $500 million.

MONEY MARKET FUNDS

Active Assets Trusts:                                              0.050% of the portion of the daily net assets not exceeding $500
  (1) Active Assets Money Trust                                    million; 0.0425% of the portion of the daily net assets exceeding
  (2) Active Assets Tax-Free Trust                                 $500 million but not exceeding $750 million; 0.0375% of the
  (3) Active Assets California Tax-Free Trust                      portion of the daily net assets exceeding $750 million but not
  (4) Active Assets Government Securities Trust                    exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.5
                                                                   billion but not exceeding $2 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $2 billion but not exceeding $2.5
                                                                   billion; 0.0275% of the portion of the daily net assets exceeding
                                                                   $2.5 billion but not exceeding $3 billion; and 0.025% of the
                                                                   portion of the daily net assets exceeding $3 billion.
</TABLE>

                                      B-7
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter California Tax-Free Daily               0.050% of the portion of the daily net assets not exceeding $500
  Income Trust                                                     million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.5
                                                                   billion but not exceeding $2 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $2 billion but not exceeding $2.5
                                                                   billion; 0.0275% of the portion of the daily net assets exceeding
                                                                   $2.5 billion but not exceeding $3 billion; and 0.025% of the
                                                                   portion of the daily net assets exceeding $3 billion.

Morgan Stanley Dean Witter Liquid Asset Fund Inc.                  0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.35 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.35
                                                                   billion but not exceeding $1.75 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $1.75 billion but not exceeding
                                                                   $2.15 billion; 0.0275% of the portion of the daily net assets
                                                                   exceeding $2.15 billion but not exceeding $2.5 billion; 0.025% of
                                                                   the portion of the daily net assets exceeding $2.5 billion but
                                                                   not exceeding $15 billion; 0.0249% of the portion of the daily
                                                                   net assets exceeding $15 billion but not exceeding $17.5 billion;
                                                                   and 0.0248% of the portion of the daily net assets exceeding
                                                                   $17.5 billion.

Morgan Stanley Dean Witter                                         0.050% of the portion of the daily net assets not exceeding $500
  New York Municipal Money                                         million; 0.0425% of the portion of the daily net assets exceeding
  Market Trust                                                     $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.5
                                                                   billion but not exceeding $2 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $2 billion but not exceeding $2.5
                                                                   billion; 0.0275% of the portion of the daily net assets exceeding
                                                                   $2.5 billion but not exceeding $3 billion; and 0.025% of the
                                                                   portion of the daily net assets exceeding $3 billion.

Morgan Stanley Dean Witter Select Dimensions Investment Series--
  Money Market Portfolio                                           0.050% of the daily net assets.
</TABLE>

                                      B-8
<PAGE>
<TABLE>
<S>                                                                <C>
Morgan Stanley Dean Witter                                         0.050% of the portion of the daily net assets not exceeding $500
  Tax-Free Daily Income Trust                                      million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.5
                                                                   billion but not exceeding $2 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $2 billion but not exceeding $2.5
                                                                   billion; 0.0275% of the portion of the daily net assets exceeding
                                                                   $2.5 billion but not exceeding $3 billion; and 0.025% of the
                                                                   portion of the daily net assets exceeding $3 billion.

Morgan Stanley Dean Witter U.S. Government Money Market Trust      0.050% of the portion of the daily net assets not exceeding $500
                                                                   million; 0.0425% of the portion of the daily net assets exceeding
                                                                   $500 million but not exceeding $750 million; 0.0375% of the
                                                                   portion of the daily net assets exceeding $750 million but not
                                                                   exceeding $1 billion; 0.035% of the portion of the daily net
                                                                   assets exceeding $1 billion but not exceeding $1.5 billion;
                                                                   0.0325% of the portion of the daily net assets exceeding $1.5
                                                                   billion but not exceeding $2 billion; 0.030% of the portion of
                                                                   the daily net assets exceeding $2 billion but not exceeding $2.5
                                                                   billion; 0.0275% of the portion of the daily net assets exceeding
                                                                   $2.5 billion but not exceeding $3 billion; and 0.025% of the
                                                                   portion of the daily net assets exceeding $3 billion.

Morgan Stanley Dean Witter Variable Investment Series-- Money      0.050% of the daily net assets.
  Market Portfolio
</TABLE>

    Monthly compensation calculated weekly by applying the following annual
rates to a fund's weekly net assets:

<TABLE>
<S>                                            <C>
CLOSED-END FUNDS

Dean Witter Government                         0.060% of the average weekly net assets.
  Income Trust

High Income Advantage Trust                    0.075% of the portion of the average weekly net assets not
                                               exceeding $250 million; 0.060% of the portion of average
                                               weekly net assets exceeding $250 million and not exceeding
                                               $500 million; 0.050% of the portion of average weekly net
                                               assets exceeding $500 million and not exceeding $750
                                               million; 0.040% of the portion of average weekly net assets
                                               exceeding $750 million and not exceeding $1 billion; and
                                               0.030% of the portion of average weekly net assets exceeding
                                               $1 billion.
</TABLE>

                                      B-9
<PAGE>
<TABLE>
<S>                                            <C>
CLOSED-END FUNDS

High Income Advantage Trust II                 0.075% of the portion of the average weekly net assets not
                                               exceeding $250 million; 0.060% of the portion of average
                                               weekly net assets exceeding $250 million and not exceeding
                                               $500 million; 0.050% of the portion of average weekly net
                                               assets exceeding $500 million and not exceeding $750
                                               million; 0.040% of the portion of average weekly net assets
                                               exceeding $750 million and not exceeding $1 billion; and
                                               0.030% of the portion of average weekly net assets exceeding
                                               $1 billion.

High Income Advantage Trust III                0.075% of the portion of the average weekly net assets not
                                               exceeding $250 million; 0.060% of the portion of average
                                               weekly net assets exceeding $250 million and not exceeding
                                               $500 million; 0.050% of the portion of average weekly net
                                               assets exceeding $500 million and not exceeding $750
                                               million; 0.040% of the portion of the average weekly net
                                               assets exceeding $750 million and not exceeding $1 billion;
                                               and 0.030% of the portion of average weekly net assets
                                               exceeding $1 billion.

InterCapital Income Securities Inc.            0.050% of the average weekly net assets.

InterCapital Insured Municipal Bond Trust      0.035% of the average weekly net assets.

InterCapital Insured Municipal Trust           0.035% of the average weekly net assets.

InterCapital Insured Municipal Income Trust    0.035% of the average weekly net assets.

InterCapital California Insured Municipal      0.035% of the average weekly net assets.
  Income Trust

InterCapital Quality Municipal Investment      0.035% of the average weekly net assets.
  Trust

InterCapital New York Quality Municipal        0.035% of the average weekly net assets.
  Securities

InterCapital Quality Municipal Income Trust    0.035% of the average weekly net assets.

InterCapital Quality Municipal Securities      0.035% of the average weekly net assets.

InterCapital California Quality Municipal      0.035% of the average weekly net assets.
  Securities

InterCapital Insured Municipal Securities      0.035% of the average weekly net assets.

InterCapital Insured California Municipal      0.035% of the average weekly net assets.
  Securities
</TABLE>

                                      B-10


<PAGE>

CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the use in the Statement of Additional Information
constituting part of this Post-Effective Amendment No. 10 to the registration
statement on Form N-1A (the "Registration Statement") of our report dated
February 5, 1999, relating to the financial statements and financial highlights
of Morgan Stanley Dean Witter New York Municipal Money Market Trust, formerly
Dean Witter New York Municipal Money Market Trust, which appears in such
Statement of Additional Information, and to the incorporation by reference of
our report into the Prospectus which constitutes part of this Registration
Statement.  We also consent to the references to us under the headings
"Custodian and Independent Accountants" and "Experts" in such Statement of
Additional Information and to the reference to us under the heading "Financial
Highlights" in such Prospectus.


PricewaterhouseCoopers LLP
1177 Avenue of the Americas
New York, New York 10036
February 22, 1999


<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<SERIES>
   <NUMBER> 011
   <NAME> MORGAN STANLEY DEAN WITTER NEW YORK MUNICIPAL MONEY MARKET
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               DEC-31-1998
<INVESTMENTS-AT-COST>                       76,838,377
<INVESTMENTS-AT-VALUE>                      76,838,377
<RECEIVABLES>                                  369,303
<ASSETS-OTHER>                                 156,159
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                              77,363,839
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      283,987
<TOTAL-LIABILITIES>                            283,987
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    77,079,783
<SHARES-COMMON-STOCK>                       77,079,783
<SHARES-COMMON-PRIOR>                       49,335,989
<ACCUMULATED-NII-CURRENT>                           69
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                77,079,852
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                            2,060,533
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 530,392
<NET-INVESTMENT-INCOME>                      1,530,141
<REALIZED-GAINS-CURRENT>                           421
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                        1,530,562
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    1,530,092
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                    177,790,665
<NUMBER-OF-SHARES-REDEEMED>              (151,576,963)
<SHARES-REINVESTED>                          1,530,092
<NET-CHANGE-IN-ASSETS>                      27,744,264
<ACCUMULATED-NII-PRIOR>                             20
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          308,510
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                537,341
<AVERAGE-NET-ASSETS>                        61,702,088
<PER-SHARE-NAV-BEGIN>                              1.0
<PER-SHARE-NII>                                  0.025
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                           (0.025)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                                1.0
<EXPENSE-RATIO>                                   0.87
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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