MORGAN STANLEY DEAN WITTER JAPAN FUND
497, 2000-08-09
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<PAGE>
                                                     PROSPECTUS -  JULY 31, 2000

Morgan Stanley Dean Witter
                                                                      JAPAN FUND

[COVER PHOTO]

                         A MUTUAL FUND THAT SEEKS LONG-TERM CAPITAL APPRECIATION

  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.............................................                   1
                          Past Performance............................................                   3
                          Fees and Expenses...........................................                   4
                          Additional Investment Strategy Information..................                   5
                          Additional Risk Information.................................                   5
                          Fund Management.............................................                   6

Shareholder Information   Pricing Fund Shares.........................................                   8
                          How to Buy Shares...........................................                   8
                          How to Exchange Shares......................................                   9
                          How to Sell Shares..........................................                  11
                          Distributions...............................................                  13
                          Tax Consequences............................................                  13
                          Share Class Arrangements....................................                  14

Financial Highlights      ............................................................                  21

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>
<PAGE>
[Sidebar]
CAPITAL APPRECIATION
An investment objective having the goal of selecting securities with the
potential to rise in price rather than pay out income.
[End Sidebar]

THE FUND

[ICON]             INVESTMENT OBJECTIVE
--------------------------------------------------------------------------------
                   Morgan Stanley Dean Witter Japan Fund seeks long-term capital
                   appreciation.

[ICON]             PRINCIPAL INVESTMENT STRATEGIES
--------------------------------------------------------------------------------
                   The Fund will normally invest at least 65% of its total
                   assets in common or preferred stocks (including depository
                   receipts) of companies which are located in Japan. A company
                   will be considered located in Japan if (i) it is organized
                   under the laws of Japan and has its principal office in
                   Japan, (ii) it derives 50% or more of its revenues from
                   businesses in Japan or (iii) its equity securities are traded
                   principally on a Japanese stock exchange. Up to 25% of the
                   Fund's total assets may be invested in Japanese stocks that
                   are NOT traded on the "first" (i.e., principal) sections of
                   the three main Japanese exchanges (the Tokyo, Osaka and
                   Nagoya exchanges).

                   The Fund's "Sub-Advisor" - Morgan Stanley Dean Witter
                   Investment Management Inc. - generally invests Fund assets in
                   companies it believes have earnings growth potential and are
                   attractively priced.

                   Common stock is a share ownership or equity interest in a
                   corporation. It may or may not pay dividends, as some
                   companies reinvest all of their profits back into their
                   businesses, while others pay out some of their profits to
                   shareholders as dividends. A depository receipt is generally
                   issued by a bank or financial institution and represents an
                   ownership interest in the common stock or other equity
                   securities of a foreign company.

                   In addition, the Fund may invest in convertible securities
                   and fixed-income securities of companies located in Japan or
                   guaranteed by the Japanese government, and in equity or
                   fixed-income securities of companies located in, or
                   governments of, developed countries in Asia, Europe or North
                   America (including the U.S.). These securities may include
                   lower-rated securities. The Fund may also invest in forward
                   currency contracts and options on foreign currencies.

                   In pursuing the Fund's investment objective, the Sub-Advisor
                   has considerable leeway in deciding which investments it
                   buys, holds or sells on a day-to-day basis - and which
                   trading strategies it uses. For example, the Sub-Advisor in
                   its discretion may determine to use some permitted trading
                   strategies while not using others.

[ICON]             PRINCIPAL RISKS
--------------------------------------------------------------------------------
                   There is no assurance that the Fund will achieve its
                   investment objective. The Fund's share price will fluctuate
                   with changes in the market value of the Fund's portfolio
                   securities. When you sell Fund shares, they may be worth less
                   than what you paid for them and, accordingly, you can lose
                   money investing in this Fund.

                   A principal risk of investing in the Fund is associated with
                   its common stock investments. In general, stock values
                   fluctuate in response to activities specific to the company
                   as well as general market, economic and political conditions.
                   Stock prices can fluctuate widely in response to these
                   factors.

                   JAPANESE SECURITIES. The Fund concentrates its investments in
                   the common stock (including depository receipts) of Japanese
                   companies. Consequently, the Fund's share

                                                                               1
<PAGE>
                   price may be more volatile than that of mutual funds not
                   sharing this geographic concentration. The value of the
                   Fund's shares may vary widely in response to political and
                   economic factors affecting companies in Japan.

                   Securities in Japan are denominated and quoted in yen. As a
                   result, the value of the Fund's Japanese securities as
                   measured in U.S. dollars may be affected by fluctuations in
                   the value of the Japanese yen relative to the U.S. dollar.

                   Securities traded on Japanese stock exchanges have exhibited
                   significant volatility in recent years. In addition, Japanese
                   securities that are not traded on the first sections of the
                   three main Japanese exchanges may be more volatile and less
                   liquid than those traded on the first sections.

                   The decline in the Japanese securities markets since 1989 has
                   contributed to a weakness in the Japanese economy. Continued
                   economic weakness could result in further declines in the
                   Japanese securities markets. Japan's economy may be
                   significantly affected by any strains in its trade relations,
                   particularly with the U.S.

                   Japanese securities are also subject to the more general
                   risks associated with foreign securities which are discussed
                   below.

                   FOREIGN SECURITIES IN GENERAL. The Fund's investments in
                   foreign securities involve risks that are in addition to the
                   risks associated with domestic securities. One additional
                   risk is currency risk. While the price of Fund shares is
                   quoted in U.S. dollars, the Fund generally converts U.S.
                   dollars to a foreign market's local currency to purchase a
                   security in that market. If the value of that local currency
                   falls relative to the U.S. dollar, the U.S. dollar value of
                   the foreign security will decrease. This is true even if the
                   foreign security's local price remains unchanged.

                   Foreign securities (including depository receipts) also have
                   risks related to economic and political developments abroad,
                   including expropriations, confiscatory taxation, exchange
                   control regulation, limitation on the use or transfer of Fund
                   assets and any effects of foreign social, economic or
                   political instability. In particular, adverse political or
                   economic developments in Japan or another region or country
                   in which the Fund invests could cause a substantial decline
                   in value of the portfolio. Foreign companies, in general, are
                   not subject to the regulatory requirements of U.S. companies
                   and, as such, there may be less publicly available
                   information about these companies. Moreover, foreign
                   accounting, auditing and financial reporting standards
                   generally are different from those applicable to U.S.
                   companies. Finally, in the event of a default of any foreign
                   debt obligations, it may be more difficult for the Fund to
                   obtain or enforce a judgment against the issuers of the
                   securities.

                   Securities of foreign issuers may be less liquid than
                   comparable securities of U.S. issuers and, as such, their
                   price changes may be more volatile. Furthermore, foreign
                   exchanges and broker-dealers are generally subject to less
                   government and exchange scrutiny and regulation than their
                   U.S. counterparts. In addition, differences in clearance and
                   settlement procedures in foreign markets may occasion delays
                   in settlements of the Fund's trades effected in those
                   markets. Delays in purchasing securities may result in the
                   Fund losing investment opportunities. The inability to
                   dispose of foreign securities due to settlement delays could
                   result in losses to the Fund due to subsequent declines in
                   value of the securities.

 2
<PAGE>
[Sidebar]
ANNUAL TOTAL RETURNS
This chart shows how the performance of the Fund's Class B shares has varied
from year to year over the past 3 calendar years.

AVERAGE ANNUAL TOTAL RETURNS
This table compares the Fund's average annual total returns with those of a
broad measure of market performance over time. The Fund's returns include the
maximum applicable sales charge for each Class and assume you sold your shares
at the end of each period.
[End Sidebar]
                   OTHER RISKS. The performance of the Fund also will depend on
                   whether the Sub-Advisor is successful in pursuing the Fund's
                   investment strategy. The Fund is also subject to other risks
                   from its permissible investments, including the risks
                   associated with its investments in fixed-income and
                   convertible securities (including lower-rated securities),
                   forward currency contracts and options on foreign currencies.
                   For more information about these risks, see the "Additional
                   Risk Information" section.
                   Shares of the Fund are not bank deposits and are not
                   guaranteed or insured by the FDIC or any other government
                   agency.

[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.

ANNUAL TOTAL RETURNS - CALENDAR YEARS

EDGAR REPRESENTATION OF DATA POINTS USED IN PRINTED GRAPHIC

<TABLE>
<S>   <C>
1997  -15.98%
'98     6.97%
'99    58.16%
</TABLE>

                   The bar chart reflects the performance of Class B shares; the
                   performance of the other Classes will differ because the
                   Classes have different ongoing fees. The performance
                   information in the bar chart does not reflect the deduction
                   of sales charges; if these amounts were reflected, returns
                   would be less than shown. Year-to-date total return as of
                   June 30, 2000 was 2.49%.
                   During the periods shown in the bar chart, the highest return
                   for a calendar quarter was 23.48% (quarter ended June 30,
                   1997) and the lowest return for a calendar quarter was
                   -17.32% (quarter ended December 31, 1997).

<TABLE>
<CAPTION>
                            AVERAGE ANNUAL TOTAL RETURNS (AS OF DECEMBER 31, 1999)
                            ----------------------------------------------------------------------------------------
                                                                                               LIFE OF FUND
                                                                        PAST 1 YEAR           (SINCE 4/26/96)
                            <S>                                       <C>              <C>
                            ----------------------------------------------------------------------------------------
                             Class A(1)                                   50.49%                            --
                            ----------------------------------------------------------------------------------------
                             Class B                                      53.16%                          3.09%
                            ----------------------------------------------------------------------------------------
                             Class C(1)                                   57.03%                            --
                            ----------------------------------------------------------------------------------------
                             Class D(1)                                   59.53%                            --
                            ----------------------------------------------------------------------------------------
                             MSCI Japan Index(2)                          61.53%                          1.15%
                            ----------------------------------------------------------------------------------------
</TABLE>

 1   Classes A, C and D commenced operations on July 28, 1997.
 2   The Morgan Stanley Capital International (MSCI) Japan Index is a
     capitalization weighted index that measures performance in U.S. dollars
     and assumes reinvestment of net dividends of companies listed on the Tokyo
     Stock Exchange. "Net dividends" reflects a reduction in dividends after
     taking into account withholding of taxes by Japan.
     The Index does not include any expenses, fees or charges. The Index is
     unmanaged and should not be considered
     an investment.

                                                                               3
<PAGE>
[Sidebar]
SHAREHOLDER FEES
These fees are paid directly from your investment.

ANNUAL FUND OPERATING EXPENSES
These expenses are deducted from the Fund's assets and are based on expenses
paid for the fiscal year ended May 31, 2000.
[End Sidebar]

[ICON]             FEES AND EXPENSES
--------------------------------------------------------------------------------
                   The table below briefly describes the fees and expenses that
                   you may pay if you buy and hold shares of the Fund. The Fund
                   offers four Classes of shares: Classes A, B, C and D. Each
                   Class has a different combination of fees, expenses and other
                   features. The Fund does not charge account or exchange fees.
                   See the "Share Class Arrangements" section for further fee
                   and expense information.

<TABLE>
<CAPTION>
                                                                                          CLASS A   CLASS B   CLASS C   CLASS D
                            <S>                                                           <C>       <C>       <C>       <C>
                            ---------------------------------------------------------------------------------------------------
                             SHAREHOLDER FEES
                            ---------------------------------------------------------------------------------------------------
                             Maximum sales charge (load) imposed on purchases (as a
                             percentage of offering price)                                 5.25%(1) None      None      None
                            ---------------------------------------------------------------------------------------------------
                             Maximum deferred sales charge (load)
                             (as a percentage based on the lesser of the offering price
                             or net asset value at redemption)                            None(2)    5.00%(3)  1.00%(4) None
                            ---------------------------------------------------------------------------------------------------
                             ANNUAL FUND OPERATING EXPENSES
                            ---------------------------------------------------------------------------------------------------
                             Management fee                                               0.95%     0.95%     0.95%     0.95%
                            ---------------------------------------------------------------------------------------------------
                             Distribution and service (12b-1) fees                        0.21%     1.00%     1.00%     None
                            ---------------------------------------------------------------------------------------------------
                             Other expenses                                               0.38%     0.38%     0.38%     0.38%
                            ---------------------------------------------------------------------------------------------------
                             Total annual Fund operating expenses                         1.54%     2.33%     2.33%     1.33%
                            ---------------------------------------------------------------------------------------------------
</TABLE>

 1   Reduced for purchases of $25,000 and over.
 2   Investments that are not subject to any sales charge at the time of
     purchase are subject to a contingent deferred sales charge ("CDSC") of
     1.00% that will be imposed if you sell your shares within one year after
     purchase, except for certain specific circumstances.
 3   The CDSC is scaled down to 1.00% during the sixth year, reaching zero
     thereafter. See "Share Class Arrangements" for a complete discussion of
     the CDSC.
 4   Only applicable if you sell your shares within one year after purchase.

                   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 tables below show your
                   costs at the end of each period based on these assumptions
                   depending upon whether or not you sell your shares at the end
                   of each period.

<TABLE>
<CAPTION>
                                                  IF YOU SOLD YOUR SHARES:              IF YOU HELD YOUR SHARES:
                                             ----------------------------------    ----------------------------------
                                             1 YEAR  3 YEARS  5 YEARS  10 YEARS    1 YEAR  3 YEARS  5 YEARS  10 YEARS
                            <S>              <C>     <C>      <C>      <C>         <C>     <C>      <C>      <C>
                            ---------------------------------------------------    ----------------------------------
                             CLASS A          $673   $  984   $1,318    $2,258      $673    $984    $1,318    $2,258
                            ---------------------------------------------------    ----------------------------------
                             CLASS B          $736   $1,027   $1,445    $2,666      $236    $727    $1,245    $2,666
                            ---------------------------------------------------    ----------------------------------
                             CLASS C          $336   $  728   $1,246    $2,666      $236    $728    $1,246    $2,666
                            ---------------------------------------------------    ----------------------------------
                             CLASS D          $135   $  421   $  728    $1,600      $135    $421    $  728    $1,600
                            ---------------------------------------------------    ----------------------------------
</TABLE>

                   Long-term shareholders of Class B and Class C may pay more in
                   sales charges, including distribution fees, than the economic
                   equivalent of the maximum front-end sales charges permitted
                   by the NASD.

 4
<PAGE>
[ICON]             ADDITIONAL INVESTMENT STRATEGY INFORMATION
--------------------------------------------------------------------------------
                   This section provides additional information relating to the
                   Fund's principal investment strategies.

                   FIXED-INCOME AND CONVERTIBLE SECURITIES. The Fund may invest
                   up to 35% of its total assets in fixed-income securities or
                   securities convertible into common stock of companies located
                   in Japan, Asia, Europe or North America (including the U.S.).
                   These securities may be rated below investment grade
                   (commonly known as "junk bonds"). The Fund's fixed-income
                   investments may include zero coupon securities, which are
                   purchased at a discount and either (i) pay no interest, or
                   (ii) accrue interest, but make no payment until maturity.

                   FORWARD CURRENCY CONTRACTS AND OPTIONS ON FOREIGN
                   CURRENCIES. The Fund's investments also may include forward
                   currency contracts, which involve the purchase or sale of a
                   specific amount of foreign currency at the current price with
                   delivery at a specified future date. The Fund may use these
                   contracts to hedge against adverse price movements in its
                   portfolio securities or securities it may purchase and the
                   currencies in which they are denominated, or to gain exposure
                   to currencies underlying various securities or financial
                   instruments. In addition, the Fund may invest in put and call
                   options with respect to foreign currencies. Options may be
                   used to seek to protect against a decline in currency prices
                   or an increase in prices of currencies that may be purchased.

                   DEFENSIVE INVESTING. The Fund may take temporary "defensive"
                   positions in attempting to respond to adverse market
                   conditions. The Fund may invest any amount of its assets in
                   cash or money market instruments in a defensive posture when
                   the Sub-Advisor believes it is advisable to do so. Although
                   taking a defensive posture is designed to protect the Fund
                   from an anticipated market downturn, it could have the effect
                   of reducing the benefit from any upswing in the market. When
                   the Fund takes a defensive position, it may not achieve its
                   investment objective.

                   The percentage limitations relating to the composition of the
                   Fund's portfolio apply at the time the Fund acquires an
                   investment. Subsequent percentage changes that result from
                   market fluctuations will not require the Fund to sell any
                   portfolio security. The Fund may change its principal
                   investment strategies without shareholder approval; however,
                   you would be notified of any changes.

[ICON]             ADDITIONAL RISK INFORMATION
--------------------------------------------------------------------------------
                   This section provides additional information relating to the
                   principal risks of investing in the Fund.

                   FIXED-INCOME SECURITIES. All fixed-income securities, such as
                   corporate debt, are subject to two types of risk: 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/or repay the principal on its debt.

                   Interest rate risk refers to fluctuations in the value of a
                   fixed-income security resulting from changes in the general
                   level of interest rates. When the general level of interest

                                                                               5
<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, had approximately $150 billion in assets under
management as of June 30, 2000.
[End Sidebar]

                   rates goes up, the prices of most fixed-income securities go
                   down. When the general level of interest rates goes down, the
                   prices of most fixed-income securities go up. (Zero coupon
                   securities are typically subject to greater price
                   fluctuations than comparable securities that pay interest.) A
                   portion of the Fund's fixed-income securities may include
                   junk bonds, which have speculative characteristics.

                   CONVERTIBLE SECURITIES. The Fund also may invest a portion of
                   its assets in convertible securities, which are securities
                   that generally pay interest and may be converted into common
                   stock. These securities may carry risks associated with both
                   common stock and fixed-income securities. To the extent that
                   a convertible security's investment value is greater than its
                   conversion value, its price will be likely to increase when
                   interest rates fall and decrease when interests rates rise,
                   as with a fixed-income security. If the conversion value
                   exceeds the investment value, the price of the convertible
                   security will tend to fluctuate directly with the price of
                   the underlying equity security. A portion of these securities
                   may include junk bonds, which have speculative
                   characteristics.

                   FORWARD CURRENCY CONTRACTS AND OPTIONS ON FOREIGN
                   CURRENCIES. Participation in forward currency contracts also
                   involves risks. If the Sub-Advisor employs a strategy that
                   does not correlate well with the Fund's investments or the
                   currencies in which the investments are denominated, currency
                   contracts could result in a loss. The contracts also may
                   increase the Fund's volatility and may involve a significant
                   risk. In addition, if the Fund invests in options on
                   currencies, its participation in these markets would subject
                   the Fund's portfolio to certain risks. The Sub-Advisor's
                   predictions of movements in the direction of the currency
                   markets may be inaccurate, and the adverse consequences to
                   the Fund (e.g., a reduction in the Fund's net asset value or
                   a reduction in the amount of income available for
                   distribution) may leave the Fund in a worse position than if
                   these strategies were not used. The options may be
                   over-the-counter options, which are options negotiated with
                   dealers; there is no secondary market for these investments.

[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 supervise the
                   investment of its assets. The Investment Manager has, in
                   turn, contracted with the Sub-Advisor - Morgan Stanley Dean
                   Witter Investment Management Inc. - to invest the Fund's
                   assets, including the placing of orders for the purchase and
                   sale of portfolio securities. Morgan Stanley Dean Witter
                   Investment Management Inc. has been the Sub-Advisor of the
                   Fund since October 1, 1998. 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 Sub-Advisor, together with its institutional investment
                   management affiliates, managed approximately $180 billion as
                   of June 30, 2000 primarily for employee benefit plans,
                   investment companies, endowments, foundations and wealthy
                   individuals. The Sub-Advisor also is a subsidiary of Morgan
                   Stanley Dean Witter & Co. Its main business office is located
                   at 1221 Avenue of the Americas, New York, NY 10020.

 6
<PAGE>
                   Kunihiko Sugio, Principal of the Sub-Advisor, and John R.
                   Alkire, Managing Director of the Sub-Advisor and President of
                   Morgan Stanley Investment Advisory, Japan, are the primary
                   portfolio managers of the Fund. Mr. Sugio and Mr. Alkire have
                   been managing Japanese equity portfolios for the Sub-Advisor
                   for over five years.

                   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. The Investment Manager pays the Sub-Advisor
                   monthly compensation equal to 40% of this fee. For the fiscal
                   year ended May 31, 2000, the Fund accrued total compensation
                   to the Investment Manager amounting to 0.95% of the Fund's
                   average daily net assets.

                                                                               7
<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 (877) 937-MSDW (toll-free) 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.msdw.com/individual/
funds
[End Sidebar]

SHAREHOLDER INFORMATION

[ICON]             PRICING FUND SHARES
--------------------------------------------------------------------------------
                   The price of Fund shares (excluding sales charges), called
                   "net asset value," is based on the value of the Fund's
                   portfolio securities. While the assets of each Class are
                   invested in a single portfolio of securities, the net asset
                   value of each Class will differ because the Classes have
                   different ongoing distribution fees.

                   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.

                   The value of the Fund's portfolio securities is based on the
                   securities' market price when available. When a market price
                   is not readily available, including circumstances under which
                   the Investment Manager and/or Sub-Advisor determines that a
                   security's market price is not accurate, a portfolio security
                   is valued at its fair value, as determined under procedures
                   established by the Fund's Board of Trustees. In these cases,
                   the Fund's net asset value will reflect certain portfolio
                   securities' fair value rather than their market price. With
                   respect to securities that are primarily listed on foreign
                   exchanges, the values of the Fund's portfolio securities may
                   change on days when you will not be able to purchase or sell
                   your shares.

                   An exception to the Fund's general policy of using market
                   prices concerns its short-term debt portfolio securities.
                   Debt securities with remaining maturities of sixty days or
                   less at the time of purchase are valued at amortized cost.
                   However, if the cost does not reflect the securities' market
                   value, these securities will be valued at their fair value.

[ICON]             HOW TO BUY SHARES
--------------------------------------------------------------------------------
                   You may open a new account to buy Fund shares or buy
                   additional Fund shares for an existing account by contacting
                   your Morgan Stanley Dean Witter Financial Advisor or other
                   authorized financial representative. Your Financial Advisor
                   will assist you, step-by-step, with the procedures to invest
                   in the Fund. You may also purchase shares directly by calling
                   the Fund's transfer agent and requesting an application.

                   Because every investor has different immediate financial
                   needs and long-term investment goals, the Fund offers
                   investors four Classes of shares: Classes A, B, C and D.
                   Class D shares are only offered to a limited group of
                   investors. Each Class of shares offers a distinct structure
                   of sales charges, distribution and service fees, and other
                   features that are designed to address a variety of needs.
                   Your Financial Advisor or other authorized financial
                   representative can help you decide which Class may be most
                   appropriate for you. When purchasing Fund shares, you must
                   specify which Class of shares you wish to purchase.

 8
<PAGE>
[Sidebar]
EASYINVEST-SM-
A purchase plan that allows you to transfer money automatically from your
checking or savings account or from a Money Market Fund on a semi-monthly,
monthly or quarterly basis. Contact your Morgan Stanley Dean Witter Financial
Advisor for further information about this service.
[End Sidebar]

                   When you buy Fund shares, the shares are purchased at the
                   next share price calculated (less any applicable front-end
                   sales charge for Class A shares) after we receive your
                   purchase order. Your payment is due on the third business day
                   after you place your purchase order. 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>      <C>
                            ---------------------------------------------------------------------------------------------
                             Regular Accounts                                                         $1,000     $100
                            ---------------------------------------------------------------------------------------------
                             Individual Retirement Accounts:     Regular IRAs                         $1,000     $100
                                                                 Education IRAs                       $  500     $100
                            ---------------------------------------------------------------------------------------------
                             EASYINVEST-SM-                      (Automatically from your
                                                                 checking or savings account
                                                                 or Money Market Fund)                $  100*    $100*
                            ---------------------------------------------------------------------------------------------
</TABLE>

 *   Provided your schedule of investments totals $1,000 in twelve months.

                   There is no minimum investment amount if you purchase Fund
                   shares through: (1) the Investment Manager's mutual fund
                   asset allocation plan, (2) a program, approved by the Fund's
                   distributor, in which you pay an asset-based fee for
                   advisory, administrative and/ or brokerage services, or
                   (3) employer-sponsored employee benefit plan accounts.

                   INVESTMENT OPTIONS FOR CERTAIN INSTITUTIONAL AND OTHER
                   INVESTORS/CLASS D SHARES. To be eligible to purchase Class D
                   shares, you must qualify under one of the investor categories
                   specified in the "Share Class Arrangements" section of this
                   PROSPECTUS.

                   SUBSEQUENT INVESTMENTS SENT DIRECTLY TO THE FUND. In addition
                   to buying additional Fund shares for an existing account by
                   contacting your Morgan Stanley Dean Witter Financial Advisor,
                   you may send a check directly to the Fund. To buy additional
                   shares in this manner:

                   - Write a "letter of instruction" to the Fund specifying the
                     name(s) on the account, the account number, the social
                     security or tax identification number, the Class of shares
                     you wish to purchase and the investment amount (which would
                     include any applicable front-end sales charge). The letter
                     must be signed by the account owner(s).

                   - Make out a check for the total amount payable to: Morgan
                     Stanley Dean Witter Japan Fund.

                   - Mail the letter and check to Morgan Stanley Dean Witter
                     Trust FSB at P.O. Box 1040, Jersey City, NJ 07303.

[ICON]             HOW TO EXCHANGE SHARES
--------------------------------------------------------------------------------
                   PERMISSIBLE FUND EXCHANGES. You may exchange shares of any
                   Class of the Fund for the same Class of any other
                   continuously offered Multi-Class Fund, or for shares of a
                   No-Load Fund, a Money Market Fund, North American Government
                   Income Trust or Short-Term U.S. Treasury Trust, without the
                   imposition of an exchange fee. In addition, Class A shares of
                   the Fund may be exchanged for shares of an FSC Fund (funds
                   subject to a front-end sales charge). See the inside back
                   cover of this PROSPECTUS for each Morgan Stanley Dean Witter
                   Fund's designation as a Multi-Class Fund, No-Load Fund, Money
                   Market Fund or FSC Fund. If a Morgan Stanley Dean Witter Fund
                   is not listed, consult the inside back cover of that fund's
                   prospectus for its designation.

                                                                               9
<PAGE>
                   Exchanges may be made after shares of the Fund acquired by
                   purchase have been held for thirty days. There is no waiting
                   period for exchanges of shares acquired by exchange or
                   dividend reinvestment. The current prospectus for each fund
                   describes its investment objective(s), policies and
                   investment minimums, and should be read before investment.
                   Since exchanges are available only into continuously offered
                   Morgan Stanley Dean Witter Funds, exchanges are not available
                   into any new Morgan Stanley Dean Witter Fund during its
                   initial offering period, or when shares of a particular
                   Morgan Stanley Dean Witter Fund are not being offered for
                   purchase.

                   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.

                   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. The check writing privilege is 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.

                   TAX CONSIDERATIONS OF EXCHANGES. If you exchange shares of
                   the Fund for shares of another Morgan Stanley Dean Witter
                   Fund, there are important tax considerations. For tax
                   purposes, the exchange out of the Fund is considered a sale
                   of Fund shares - and the exchange into the other fund is
                   considered a purchase. As a result, you may realize a capital
                   gain or loss.

 10
<PAGE>
                   You should review the "Tax Consequences" section and consult
                   your own tax professional about the tax consequences of an
                   exchange.

                   LIMITATIONS ON EXCHANGES. Certain patterns of past exchanges
                   and/or purchase or sale transactions involving the Fund or
                   other Morgan Stanley Dean Witter Funds may result in the Fund
                   limiting or prohibiting, at its discretion, additional
                   purchases and/or exchanges. Determinations in this regard may
                   be made based on the frequency or dollar amount of the
                   previous exchanges or purchase or sale transactions. You will
                   be notified in advance of limitations on your exchange
                   privileges.

                   CDSC CALCULATIONS ON EXCHANGES. See the "Share
                   Class Arrangements" section of this PROSPECTUS for a
                   discussion of how applicable contingent deferred sales
                   charges (CDSCs) are calculated for shares of one Morgan
                   Stanley Dean Witter Fund that are exchanged for shares of
                   another.

                   For further information regarding exchange privileges, you
                   should contact your Morgan Stanley Dean Witter Financial
                   Advisor or call (800) 869-NEWS.

[ICON]             HOW TO SELL SHARES
--------------------------------------------------------------------------------
                   You can sell some or all of your Fund shares at any time. If
                   you sell Class A, Class B or Class C shares, your net sale
                   proceeds are reduced by the amount of any applicable CDSC.
                   Your shares will be sold at the next price calculated after
                   we receive your order to sell as described below.

<TABLE>
<CAPTION>
                            OPTIONS             PROCEDURES
                            <S>                 <C>
                            --------------------------------------------------------------------------------
                             Contact your       To sell (redeem) your shares, simply call your Morgan
                             Financial Advisor  Stanley Dean Witter Financial Advisor or other authorized
                                                financial representative.
                                                ------------------------------------------------------------
                             [ICON]             Payment will be sent to the address to which the account is
                                                registered or deposited in your brokerage account.
                            --------------------------------------------------------------------------------
                             By Letter          You can also sell your shares by writing a "letter of
                                                instruction" that includes:
                             [ICON]             - your account number;
                                                - the dollar amount or the number of shares you wish to
                                                  sell;
                                                - the Class of shares you wish to sell; and
                                                - 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>

                                                                              11
<PAGE>

<TABLE>
<CAPTION>
                            OPTIONS             PROCEDURES
                            <S>                 <C>
                            --------------------------------------------------------------------------------
                             Systematic         If your investment in all of the Morgan Stanley Dean Witter
                             Withdrawal Plan    Family of Funds has a total market value of at least
                             [ICON]             $10,000, you may elect to withdraw amounts of $25 or more,
                                                or in any whole 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.
                                                ------------------------------------------------------------
                                                Amounts withdrawn are subject to any applicable CDSC. A CDSC
                                                may be waived under certain circumstances. See the Class B
                                                waiver categories listed in the "Share Class Arrangements"
                                                section of this PROSPECTUS.
                                                ------------------------------------------------------------
                                                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.
                            --------------------------------------------------------------------------------
</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, your sale will
                   not be effected until it has been verified that the check has
                   been honored.

                   TAX CONSIDERATIONS. Normally, your sale of Fund shares is
                   subject to federal and state income tax. You should review
                   the "Tax Consequences" section of this PROSPECTUS and consult
                   your own tax professional about the tax consequences of a
                   sale.

                   REINSTATEMENT PRIVILEGE. If you sell Fund shares and have not
                   previously exercised the reinstatement privilege, you may,
                   within 35 days after the date of sale, invest any portion of
                   the proceeds in the same Class of Fund shares at their net
                   asset value and receive a pro rata credit for any CDSC paid
                   in connection with the sale.

                   INVOLUNTARY SALES. The Fund reserves the right, on sixty
                   days' notice, to sell the shares of any shareholder (other
                   than shares held in an IRA or 403(b) Custodial Account) whose
                   shares, due to sales by the shareholder, have a value below
                   $100, or in the case of an account opened through EASYINVEST
                   -SM-, if after 12 months the shareholder has invested less
                   than $1,000 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. No CDSC will be imposed on any
                   involuntary sale.

                   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 sale of such
                   shares.

 12
<PAGE>
[SIDEBAR]
TARGETED DIVIDENDS-SM-
You may select to have your Fund distributions automatically invested in other
Classes of Fund shares or Classes of 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]

[ICON]             DISTRIBUTIONS
--------------------------------------------------------------------------------
                   The Fund passes substantially all of its earnings from income
                   and capital gains along to its investors as "distributions."
                   The Fund earns income from stocks and 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 Fund declares income dividends separately for each Class.
                   Distributions paid on Class A and Class D shares usually will
                   be higher than for Class B and Class C because distribution
                   fees that Class B and Class C pay are higher. Normally,
                   income dividends are distributed to shareholders annually.
                   Capital gains, if any, are usually distributed in December.
                   The Fund may at times make payments from sources other than
                   income or capital gains that represent a return of a portion
                   of your investment.

                   Distributions are reinvested automatically in additional
                   shares of the same Class and automatically credited to your
                   account, unless you request in writing that all distributions
                   be paid in cash. If you elect the cash option, the Fund will
                   mail a check to you no later than seven business days after
                   the distribution is declared. However, if you purchase Fund
                   shares prior to the record date for the distribution, and
                   payment for such shares is received after the record date,
                   the distribution will automatically be paid to you in cash,
                   even if you did not request to receive all distributions in
                   cash. 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.

                   Unless your investment in the Fund is through a tax-deferred
                   retirement account, such as a 401(k) plan or IRA, you need to
                   be aware of the possible tax consequences when:

                   - The Fund makes distributions; and

                   - You sell Fund shares, including an exchange to another
                     Morgan Stanley Dean Witter Fund.

                   TAXES ON DISTRIBUTIONS. Your distributions are normally
                   subject to federal and state income tax when they are paid,
                   whether you take them in cash or reinvest them in fund
                   shares. A distribution also may be subject to local income
                   tax. Any income dividend distributions and any short-term
                   capital gain distributions are taxable to you as ordinary
                   income. Any long-term capital gain distributions are taxable
                   as long-term capital gains, no matter how long you have owned
                   shares in the Fund.

                                                                              13
<PAGE>
                   If more than 50% of the Fund's assets are invested in foreign
                   securities at the end of any fiscal year, the Fund may elect
                   to permit shareholders to take a credit or deduction on their
                   federal income tax return for foreign taxes paid by the Fund.

                   Every January, you will be sent a statement (IRS Form
                   1099-DIV) showing the taxable distributions paid to you in
                   the previous year. The statement provides information on your
                   dividends and capital gains for tax purposes.

                   TAXES ON SALES. Your sale of Fund shares normally is subject
                   to federal and state income tax and may result in a taxable
                   gain or loss to you. A sale also may be subject to local
                   income tax. Your exchange of Fund shares for shares of
                   another Morgan Stanley Dean Witter Fund is treated for tax
                   purposes like a sale of your original shares and a purchase
                   of your new shares. Thus, the exchange may, like a sale,
                   result in a taxable gain or loss to you and will give you a
                   new tax basis for your new shares.

                   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 redemption proceeds. Any
                   withheld amount would be sent to the IRS as an advance tax
                   payment.

[ICON]             SHARE CLASS ARRANGEMENTS
--------------------------------------------------------------------------------
                   The Fund offers several Classes of shares having different
                   distribution arrangements designed to provide you with
                   different purchase options according to your investment
                   needs. Your Morgan Stanley Dean Witter Financial Advisor or
                   other authorized financial representative can help you decide
                   which Class may be appropriate for you.

                   The general public is offered three Classes: Class A shares,
                   Class B shares and Class C shares, which differ principally
                   in terms of sales charges and ongoing expenses. A fourth
                   Class, Class D shares, is offered only to a limited category
                   of investors. Shares that you acquire through reinvested
                   distributions will not be subject to any front-end sales
                   charge or CDSC - contingent deferred sales charge. Sales
                   personnel may receive different compensation for selling each
                   Class of shares. The sales charges applicable to each
                   Class provide for the distribution financing of shares of
                   that Class.

                   The chart below compares the sales charge and annual 12b-1
                   fee applicable to each Class:

<TABLE>
<CAPTION>
                                                                                 MAXIMUM
                                                                               ANNUAL 12B-1
                            CLASS  SALES CHARGE                                    FEE
                            <S>    <C>                                       <C>
                            -----------------------------------------------------------------
                             A     Maximum 5.25% initial sales charge
                                   reduced for purchase of $25,000 or more;
                                   shares sold without an initial sales
                                   charge are generally subject to a 1.0%
                                   CDSC during the first year                        0.25%
                            -----------------------------------------------------------------
                             B     Maximum 5.0% CDSC during the first year
                                   decreasing to 0% after six years                  1.0%
                            -----------------------------------------------------------------
                             C     1.0% CDSC during the first year                   1.0%
                            -----------------------------------------------------------------
                             D     None                                        None
                            -----------------------------------------------------------------
</TABLE>

 14
<PAGE>
[Sidebar]
FRONT-END SALES CHARGE OR FSC
An initial sales charge you pay when purchasing Class A shares that is based on
a percentage of the offering price. The percentage declines based upon the
dollar value of Class A shares you purchase. We offer three ways to reduce your
Class A sales charges - the Combined Purchase Privilege, Right of Accumulation
and Letter of Intent.
[End Sidebar]

                   CLASS A SHARES  Class A shares are sold at net asset value
                   plus an initial sales charge of up to 5.25%. The initial
                   sales charge is reduced for purchases of $25,000 or more
                   according to the schedule below. Investments of $1 million or
                   more are not subject to an initial sales charge, but are
                   generally subject to a contingent deferred sales charge, or
                   CDSC, of 1.0% on sales made within one year after the last
                   day of the month of purchase. The CDSC will be assessed in
                   the same manner and with the same CDSC waivers as with
                   Class B shares. Class A shares are also subject to a
                   distribution (12b-1) fee of up to 0.25% of the average daily
                   net assets of the Class.

                   The offering price of Class A shares includes a sales charge
                   (expressed as a percentage of the offering price) on a single
                   transaction as shown in the following table:

<TABLE>
<CAPTION>
                                                                                   FRONT-END SALES CHARGE
                                                                      ------------------------------------------------
                            AMOUNT OF SINGLE                              PERCENTAGE OF      APPROXIMATE PERCENTAGE OF
                            TRANSACTION                               PUBLIC OFFERING PRICE     NET AMOUNT INVESTED
                            <S>                                       <C>                    <C>
                            ------------------------------------------------------------------------------------------
                             Less than $25,000                                    5.25%                     5.54%
                            ------------------------------------------------------------------------------------------
                             $25,000 but less than $50,000                        4.75%                     4.99%
                            ------------------------------------------------------------------------------------------
                             $50,000 but less than $100,000                       4.00%                     4.17%
                            ------------------------------------------------------------------------------------------
                             $100,000 but less than $250,000                      3.00%                     3.09%
                            ------------------------------------------------------------------------------------------
                             $250,000 but less than $1 million                    2.00%                     2.04%
                            ------------------------------------------------------------------------------------------
                             $1 million and over                                  0.00%                     0.00%
                            ------------------------------------------------------------------------------------------
</TABLE>

                   The reduced sales charge schedule is applicable to purchases
                   of Class A shares in a single transaction by:

                   - A single account (including an individual, trust or
                     fiduciary account).

                   - Family member accounts (limited to husband, wife and
                     children under the age of 21).

                   - Pension, profit sharing or other employee benefit plans of
                     companies and their affiliates.

                   - Tax-exempt organizations.

                   - Groups organized for a purpose other than to buy mutual
                     fund shares.

                   COMBINED PURCHASE PRIVILEGE. You also will have the benefit
                   of reduced sales charges by combining purchases of Class A
                   shares of the Fund in a single transaction with purchases of
                   Class A shares of other Multi-Class Funds and shares of FSC
                   Funds.

                   RIGHT OF ACCUMULATION. You also may benefit from a reduction
                   of sales charges if the cumulative net asset value of
                   Class A shares of the Fund purchased in a single transaction,
                   together with shares of other funds you currently own which
                   were previously purchased at a price including a front-end
                   sales charge (including shares acquired through reinvestment
                   of distributions), amounts to $25,000 or more. Also, if you
                   have a cumulative net asset value of all your Class A and
                   Class D shares equal to at least $5 million (or $25 million
                   for certain employee benefit plans), you are eligible to
                   purchase Class D shares of any fund subject to the fund's
                   minimum initial investment requirement.

                   You must notify your Morgan Stanley Dean Witter Financial
                   Advisor or other authorized financial representative (or
                   Morgan Stanley Dean Witter Trust FSB if you purchase

                                                                              15
<PAGE>
                   directly through the Fund), at the time a purchase order is
                   placed, that the purchase qualifies for the reduced sales
                   charge under the Right of Accumulation. Similar notification
                   must be made in writing when an order is placed by mail. The
                   reduced sales charge will not be granted if: (i) notification
                   is not furnished at the time of the order; or (ii) a review
                   of the records of Dean Witter Reynolds or other authorized
                   dealer of Fund shares or the Fund's transfer agent does not
                   confirm your represented holdings.

                   LETTER OF INTENT. The schedule of reduced sales charges for
                   larger purchases also will be available to you if you enter
                   into a written "letter of intent." A letter of intent
                   provides for the purchase of Class A shares of the Fund or
                   other Multi-Class Funds or shares of FSC Funds within a
                   thirteen-month period. The initial purchase under a letter of
                   intent must be at least 5% of the stated investment goal. To
                   determine the applicable sales charge reduction, you may also
                   include: (1) the cost of shares of other Morgan Stanley Dean
                   Witter Funds which were previously purchased at a price
                   including a front-end sales charge during the 90-day period
                   prior to the distributor receiving the letter of intent, and
                   (2) the cost of shares of other funds you currently own
                   acquired in exchange for shares of funds purchased during
                   that period at a price including a front-end sales charge.
                   You can obtain a letter of intent by contacting your Morgan
                   Stanley Dean Witter Financial Advisor or other authorized
                   financial representative or by calling (800) 869-NEWS. If you
                   do not achieve the stated investment goal within the
                   thirteen-month period, you are required to pay the difference
                   between the sales charges otherwise applicable and sales
                   charges actually paid, which may be deducted from your
                   investment.

                   OTHER SALES CHARGE WAIVERS. In addition to investments of $1
                   million or more, your purchase of Class A shares is not
                   subject to a front-end sales charge (or CDSC upon sale) if
                   your account qualifies under one of the following categories:

                   - A trust for which Morgan Stanley Dean Witter Trust FSB
                     provides discretionary trustee services.

                   - Persons participating in a fee-based investment program
                     (subject to all of its terms and conditions, including
                     termination fees, mandatory sale or transfer restrictions
                     on termination) approved by the Fund's distributor pursuant
                     to which they pay an asset-based fee for investment
                     advisory, administrative and/or brokerage services.

                   - Employer-sponsored employee benefit plans, whether or not
                     qualified under the Internal Revenue Code, for which Morgan
                     Stanley Dean Witter Trust FSB serves as trustee or Morgan
                     Stanley Dean Witter's Retirement Plan Services serves as
                     recordkeeper under a written Recordkeeping Services
                     Agreement ("MSDW Eligible Plans") which have at least 200
                     eligible employees.

                   - An MSDW Eligible Plan whose Class B shares have converted
                     to Class A shares, regardless of the plan's asset size or
                     number of eligible employees.

                   - A client of a Morgan Stanley Dean Witter Financial Advisor
                     who joined us from another investment firm within six
                     months prior to the date of purchase of Fundshares, and you
                     used the proceeds from the sale of shares of a proprietary
                     mutual fund of that Financial Advisor's previous firm that
                     imposed either a front-end or deferred sales charge to
                     purchase Class A shares, provided that: (1) you sold the

 16
<PAGE>
[Sidebar]
CONTINGENT DEFERRED
SALES CHARGE OR CDSC
A fee you pay when you sell shares of certain Morgan Stanley Dean Witter Funds
purchased without an initial sales charge. This fee declines the longer you hold
your shares as set forth in the table.
[End Sidebar]

                    shares not more than 60 days prior to the purchase of Fund
                    shares, and (2) the sale proceeds were maintained in the
                    interim in cash or a money market fund.

                   - Current or retired Directors/Trustees of the Morgan Stanley
                     Dean Witter Funds, such persons' spouses and children under
                     the age of 21, and trust accounts for which any of such
                     persons is a beneficiary.

                   - Current or retired directors, officers and employees of
                     Morgan Stanley Dean Witter & Co. and any of its
                     subsidiaries, such persons' spouses and children under the
                     age of 21, and trust accounts for which any of such persons
                     is a beneficiary.

                   CLASS B SHARES  Class B shares are offered at net asset value
                   with no initial sales charge but are subject to a contingent
                   deferred sales charge, or CDSC, as set forth in the table
                   below. For the purpose of calculating the CDSC, shares are
                   deemed to have been purchased on the last day of the month
                   during which they were purchased.

<TABLE>
<CAPTION>
                            YEAR SINCE PURCHASE PAYMENT MADE               CDSC AS A PERCENTAGE OF AMOUNT REDEEMED
                            <S>                                       <C>
                            --------------------------------------------------------------------------------------------
                             First                                                                      5.0%
                            --------------------------------------------------------------------------------------------
                             Second                                                                     4.0%
                            --------------------------------------------------------------------------------------------
                             Third                                                                      3.0%
                            --------------------------------------------------------------------------------------------
                             Fourth                                                                     2.0%
                            --------------------------------------------------------------------------------------------
                             Fifth                                                                      2.0%
                            --------------------------------------------------------------------------------------------
                             Sixth                                                                      1.0%
                            --------------------------------------------------------------------------------------------
                             Seventh and thereafter                                   None
                            --------------------------------------------------------------------------------------------
</TABLE>

                   Each time you place an order to sell or exchange shares,
                   shares with no CDSC will be sold or exchanged first, then
                   shares with the lowest CDSC will be sold or exchanged next.
                   For any shares subject to a CDSC, the CDSC will be assessed
                   on an amount equal to the lesser of the current market value
                   or the cost of the shares being sold.

                   CDSC WAIVERS. A CDSC, if otherwise applicable, will be waived
                   in the case of:

                   - Sales of shares held at the time you die or become disabled
                     (within the definition in Section 72(m)(7) of the Internal
                     Revenue Code which relates to the ability to engage in
                     gainful employment), if the shares are: (i) registered
                     either in your name (not a trust) or in the names of you
                     and your spouse as joint tenants with right of
                     survivorship; or (ii) held in a qualified corporate or
                     self-employed retirement plan, IRA or 403(b) Custodial
                     Account, provided in either case that the sale is requested
                     within one year of your death or initial determination of
                     disability.

                   - Sales in connection with the following retirement plan
                     "distributions:" (i) lump-sum or other distributions from a
                     qualified corporate or self-employed retirement plan
                     following retirement (or, in the case of a "key employee"
                     of a "top heavy" plan, following attainment of age
                     59 1/2); (ii) distributions from an IRA or
                     403(b) Custodial Account following attainment of age
                     59 1/2; or (iii) a tax-free return of an excess IRA
                     contribution (a "distribution" does not include a direct
                     transfer of IRA, 403(b) Custodial Account or retirement
                     plan assets to a successor custodian or trustee).

                                                                              17
<PAGE>
                   - Sales of shares held for you as a participant in an MSDW
                     Eligible Plan.

                   - Sales of shares in connection with the Systematic
                     Withdrawal Plan of up to 12% annually of the value of each
                     fund from which plan sales are made. The percentage is
                     determined on the date you establish the Systematic
                     Withdrawal Plan and based on the next calculated share
                     price. You may have this CDSC waiver applied in amounts up
                     to 1% per month, 3% per quarter, 6% semi-annually or 12%
                     annually. 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. If you suspend your participation in the
                     plan, you may later resume plan payments without requiring
                     a new determination of the account value for the 12% CDSC
                     waiver.

                   - Sales of shares if you simultaneously invest the proceeds
                     in the Investment Manager's mutual fund asset allocation
                     program, pursuant to which investors pay an asset-based
                     fee. Any shares you acquire in connection with the
                     Investment Manager's mutual fund asset allocation program
                     are subject to all of the terms and conditions of that
                     program, including termination fees, mandatory sale or
                     transfer restrictions on termination.

                   All waivers will be granted only following the Fund's
                   distributor receiving confirmation of your entitlement. If
                   you believe you are eligible for a CDSC waiver, please
                   contact your Financial Advisor or call (800) 869-NEWS.

                   DISTRIBUTION FEE. Class B shares are subject to an annual
                   distribution (12b-1) fee of 1.0% of the lesser of: (a) the
                   average daily aggregate gross purchases by all shareholders
                   of the Fund's Class B Shares since the inception of the Fund
                   (not including reinvestment of dividends or capital gains
                   distributions), less the daily aggregate net asset value of
                   the Fund's Class B shares sold by all shareholders since the
                   Fund's inception upon which a CDSC has been imposed or
                   waived, or (b) the average daily net assets of Class B.

                   CONVERSION FEATURE. After ten (10) years, Class B shares will
                   convert automatically to Class A shares of the Fund with no
                   initial sales charge. The ten year period runs from the last
                   day of the month in which the shares were purchased, or in
                   the case of Class B shares acquired through an exchange, from
                   the last day of the month in which the original Class B
                   shares were purchased; the shares will convert to Class A
                   shares based on their relative net asset values in the month
                   following the ten year period. At the same time, an equal
                   proportion of Class B shares acquired through automatically
                   reinvested distributions will convert to Class A shares on
                   the same basis. (Class B shares held before May 1, 1997,
                   however, will convert to Class A shares in May 2007.)

                   In the case of Class B shares held in an MSDW Eligible Plan,
                   the plan is treated as a single investor and all Class B
                   shares will convert to Class A shares on the conversion date
                   of the Class B shares of a Morgan Stanley Dean Witter Fund
                   purchased by that plan.

                   Currently, the Class B share conversion is not a taxable
                   event; the conversion feature may be cancelled if it is
                   deemed a taxable event in the future by the Internal Revenue
                   Service.

                   If you exchange your Class B shares for shares of a Money
                   Market Fund, a No-Load Fund, North American Government Income
                   Trust or Short-Term U.S. Treasury Trust,

 18
<PAGE>
                   the holding period for conversion is frozen as of the last
                   day of the month of the exchange and resumes on the last day
                   of the month you exchange back into Class B shares.

                   EXCHANGING SHARES SUBJECT TO A CDSC. There are special
                   considerations when you exchange Fund shares that are subject
                   to a CDSC. 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 a
                   fund that does NOT charge a CDSC WILL NOT BE COUNTED. Thus,
                   in effect the "holding period" for purposes of calculating
                   the CDSC is frozen upon exchanging into a fund that does not
                   charge a CDSC.

                   For example, if you held Class B shares of the Fund for one
                   year, exchanged to Class B of another Morgan Stanley Dean
                   Witter Multi- Class Fund for another year, then sold your
                   shares, a CDSC rate of 4% would be imposed on the shares
                   based on a two year holding period -- one year for each fund.
                   However, if you had exchanged the shares of the Fund for a
                   Money Market Fund (which does not charge a CDSC) instead of
                   the Multi-Class Fund, then sold your shares, a CDSC rate of
                   5% would be imposed on the shares based on a one year holding
                   period. The one year in the Money Market Fund would not be
                   counted. Nevertheless, if shares subject to a CDSC are
                   exchanged for a fund that does not charge a CDSC, 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 that fund up to the amount of any applicable CDSC.

                   In addition, shares that are exchanged into or from a Morgan
                   Stanley Dean Witter Fund subject to a higher CDSC rate will
                   be subject to the higher rate, even if the shares are re-
                   exchanged into a fund with a lower CDSC rate.

                   CLASS C SHARES  Class C shares are sold at net asset value
                   with no initial sales charge but are subject to a CDSC of
                   1.0% on sales made within one year after the last day of the
                   month of purchase. The CDSC will be assessed in the same
                   manner and with the same CDSC waivers as with Class B shares.

                   DISTRIBUTION FEE. Class C shares are subject to an annual
                   distribution (12b-1) fee of up to 1.0% of the average daily
                   net assets of that Class. The Class C shares' distribution
                   fee may cause that Class to have higher expenses and pay
                   lower dividends than Class A or Class D shares. Unlike
                   Class B shares, Class C shares have no conversion feature
                   and, accordingly, an investor that purchases Class C shares
                   may be subject to distribution (12b-1) fees applicable to
                   Class C shares for an indefinite period.

                   CLASS D SHARES  Class D shares are offered without any sales
                   charge on purchases or sales and without any distribution
                   (12b-1) fee. Class D shares are offered only to investors
                   meeting an initial investment minimum of $5 million
                   ($25 million for MSDW Eligible Plans) and the following
                   investor categories:

                   - Investors participating in the Investment Manager's mutual
                     fund asset allocation program (subject to all of its terms
                     and conditions, including termination fees, mandatory sale
                     or transfer restrictions on termination) pursuant to which
                     they pay an asset-based fee.

                                                                              19
<PAGE>
                   - Persons participating in a fee-based investment program
                     (subject to all of its terms and conditions, including
                     termination fees, mandatory sale or transfer restrictions
                     on termination) approved by the Fund's distributor pursuant
                     to which they pay an asset-based fee for investment
                     advisory, administrative and/or brokerage services.

                   - Employee benefit plans maintained by Morgan Stanley Dean
                     Witter & Co. or any of its subsidiaries for the benefit of
                     certain employees of Morgan Stanley Dean Witter & Co. and
                     its subsidiaries.

                   - Certain unit investment trusts sponsored by Dean Witter
                     Reynolds.

                   - Certain other open-end investment companies whose shares
                     are distributed by the Fund's distributor.

                   - Investors who were shareholders of the Dean Witter
                     Retirement Series on September 11, 1998 for additional
                     purchases for their former Dean Witter Retirement
                     Series accounts.

                   MEETING CLASS D ELIGIBILITY MINIMUMS. To meet the $5 million
                   ($25 million for certain MSDW Eligible Plans) initial
                   investment to qualify to purchase Class D shares you may
                   combine: (1) purchases in a single transaction of Class D
                   shares of the Fund and other Morgan Stanley Dean Witter
                   Multi-Class Funds; and/or (2) previous purchases of Class A
                   and Class D shares of Multi-Class Funds and shares of FSC
                   Funds you currently own, along with shares of Morgan Stanley
                   Dean Witter Funds you currently own that you acquired in
                   exchange for those shares.

                   NO SALES CHARGES FOR REINVESTED CASH DISTRIBUTIONS  If you
                   receive a cash payment representing an income dividend or
                   capital gain and you reinvest that amount in the applicable
                   Class of shares by returning the check within 30 days of the
                   payment date, the purchased shares would not be subject to an
                   initial sales charge or CDSC.

                   PLAN OF DISTRIBUTION (RULE 12B-1 FEES)  The Fund has adopted
                   a Plan of Distribution in accordance with Rule 12b-1 under
                   the Investment Company Act of 1940 with respect to the
                   distribution of Class A, Class B and Class C shares. 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 of Class A, Class B and Class C
                   shares. 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 in these Classes and may cost you
                   more than paying other types of sales charges.

 20
<PAGE>
FINANCIAL HIGHLIGHTS

        The financial highlights table is intended to help you understand the
        financial performance of the Fund for the periods indicated. Certain
        information reflects financial results for a single Fund share
        throughout each year. 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,
        independent accountants, whose report, along with the Fund's financial
        statements, is included in the annual report, which is available upon
        request.

<TABLE>
<CAPTION>
                                                                FOR THE YEAR ENDED MAY 31,
                                                                --------------------------  FOR THE PERIOD JULY 28, 1997*
                                                                    2000          1999          THROUGH MAY 31, 1998
            <S>                                                 <C>           <C>           <C>
            -------------------------------------------------------------------------------------------------------------

             CLASS A SHARES++
            -------------------------------------------------------------------------------------------------------------

             SELECTED PER SHARE DATA:
            -------------------------------------------------------------------------------------------------------------
             Net asset value, beginning of period                  $ 7.57        $ 6.72                 $ 9.16
            -------------------------------------------------------------------------------------------------------------
             INCOME (LOSS) FROM INVESTMENT OPERATIONS:
                Net investment income (loss)                        (0.10)        (0.02)                  0.05
                Net realized and unrealized gain (loss)              2.66          1.31                  (2.49)
                                                                   ------        ------                -------
             Total income (loss) from investment operations          2.56          1.29                  (2.44)
            -------------------------------------------------------------------------------------------------------------
             LESS DIVIDENDS:
                From net investment income                             --         (0.33)                    --
                In excess of net investment income                     --         (0.11)                    --
                                                                   ------        ------                -------
             Total dividends                                           --         (0.44)                    --
            -------------------------------------------------------------------------------------------------------------
             Net asset value, end of period                        $10.13        $ 7.57                 $ 6.72
            -------------------------------------------------------------------------------------------------------------

             TOTAL RETURN+                                          33.25 %       20.61 %               (26.64)%(1)
            -------------------------------------------------------------------------------------------------------------

             RATIOS TO AVERAGE NET ASSETS:
            -------------------------------------------------------------------------------------------------------------
             Expenses                                                1.54 %(3)      1.72 %(3)               1.83 %(2)
            -------------------------------------------------------------------------------------------------------------
             Net investment income (loss)                           (0.79)%(3)     (0.94)%(3)               0.75 %(2)
            -------------------------------------------------------------------------------------------------------------

             SUPPLEMENTAL DATA:
            -------------------------------------------------------------------------------------------------------------
             Net assets, end of period, in thousands               $5,314        $1,823                   $126
            -------------------------------------------------------------------------------------------------------------
             Portfolio turnover rate                                   35%           78%                     7%
            -------------------------------------------------------------------------------------------------------------
</TABLE>

 * The date shares were first issued.
 ++ The per share amounts were computed using an average number of shares
 outstanding during the period.
 + Does not reflect the deduction of sales charge. Calculated based on the net
 asset value as of the last business day of the period.
 (1) Not annualized.
 (2) Annualized.
 (3) Reflects overall Fund ratios for investment income and non-class specific
 expenses.

                                                                              21
<PAGE>
<TABLE>
<CAPTION>
                                                                             FOR THE YEAR ENDED MAY 31,
                                                                -----------------------------------------------------
                                                                 2000++         1999++        1998**++         1997
            <S>                                                 <C>            <C>            <C>            <C>
            ---------------------------------------------------------------------------------------------------------

             CLASS B SHARES
            ---------------------------------------------------------------------------------------------------------

             SELECTED PER SHARE DATA:
            ---------------------------------------------------------------------------------------------------------
             Net asset value, beginning of period                 $ 7.58         $ 6.67         $ 8.79         $ 9.61
            ---------------------------------------------------------------------------------------------------------
            INCOME (LOSS) FROM INVESTMENT OPERATIONS:
                Net investment loss                                (0.17)         (0.13)         (0.13)         (0.16)
                Net realized and unrealized gain (loss)             2.67           1.37          (1.99)         (0.66)
                                                                --------       --------       --------       --------
             Total income (loss) from investment operations         2.50           1.24          (2.12)         (0.82)
            ---------------------------------------------------------------------------------------------------------
             LESS DIVIDENDS:
                From net investment income                            --          (0.22)            --             --
                In excess of net investment income                    --          (0.11)            --             --
                                                                --------       --------       --------       --------
             Total dividends                                          --          (0.33)            --             --
            ---------------------------------------------------------------------------------------------------------
             Net asset value, end of period                       $10.08         $ 7.58         $ 6.67         $ 8.79
            ---------------------------------------------------------------------------------------------------------

             TOTAL RETURN+                                         32.28 %        19.89 %       (24.12)%        (8.53)%
            ---------------------------------------------------------------------------------------------------------

            RATIOS TO AVERAGE NET ASSETS:
            ---------------------------------------------------------------------------------------------------------
             Expenses                                               2.33 %(3)      2.59 %(3)      2.48 %         2.43 %
            ---------------------------------------------------------------------------------------------------------
             Net investment loss                                   (1.58)%(3)     (1.81)%(3)     (1.62)%        (1.77)%
            ---------------------------------------------------------------------------------------------------------

             SUPPLEMENTAL DATA:
            ---------------------------------------------------------------------------------------------------------
             Net assets, end of period, in thousands            $210,006       $147,812       $125,008       $239,719
            ---------------------------------------------------------------------------------------------------------
             Portfolio turnover rate                                  35 %           78 %            7 %           25 %
            ---------------------------------------------------------------------------------------------------------

<CAPTION>

                                                                FOR THE PERIOD APRIL 26, 1996*
                                                                     THROUGH MAY 31, 1996
            <S>                                                 <C>
            --------------------------------------------------
             CLASS B SHARES
            --------------------------------------------------
             SELECTED PER SHARE DATA:
            --------------------------------------------------
             Net asset value, beginning of period                            $10.00
            --------------------------------------------------
            INCOME (LOSS) FROM INVESTMENT OPERATIONS:
                Net investment loss                                              --
                Net realized and unrealized gain (loss)                       (0.39)
                                                                           --------
             Total income (loss) from investment operations                   (0.39)
            --------------------------------------------------
             LESS DIVIDENDS:
                From net investment income                                       --
                In excess of net investment income                               --
                                                                           --------
             Total dividends                                                     --
            --------------------------------------------------
             Net asset value, end of period                                  $ 9.61
            --------------------------------------------------
             TOTAL RETURN+                                                    (3.90)%(1)
            --------------------------------------------------
            RATIOS TO AVERAGE NET ASSETS:
            --------------------------------------------------
             Expenses                                                          2.84 %(2)
            --------------------------------------------------
             Net investment loss                                              (0.52)%(2)
            --------------------------------------------------
             SUPPLEMENTAL DATA:
            --------------------------------------------------
             Net assets, end of period, in thousands                       $273,544
            --------------------------------------------------
             Portfolio turnover rate                                             --
            --------------------------------------------------
</TABLE>

  * Commencement of operations.
  ** Prior to July 28, 1997, the Fund issued one class of shares. All shares of
     the Fund held prior to that date have been designated Class B shares.
    ++ The per share amounts were computed using an average number of shares
     outstanding during the period.
    + Does not reflect the deduction of sales charge. Calculated based on the
     net asset value as of the last business day of the period.
    (1) Not annualized.
    (2) Annualized.
    (3) Reflects overall Fund ratios for investment income and non-class
     specific expenses.

 22
<PAGE>

<TABLE>
<CAPTION>
                                                                FOR THE YEAR ENDED MAY 31,
                                                                --------------------------  FOR THE PERIOD JULY 28, 1997*
                                                                    2000          1999          THROUGH MAY 31, 1998
            <S>                                                 <C>           <C>           <C>
            -------------------------------------------------------------------------------------------------------------

             CLASS C SHARES++
            -------------------------------------------------------------------------------------------------------------

             SELECTED PER SHARE DATA:
            -------------------------------------------------------------------------------------------------------------
             Net asset value, beginning of period                  $ 7.49        $ 6.68                 $ 9.16
            -------------------------------------------------------------------------------------------------------------
             INCOME (LOSS) FROM INVESTMENT OPERATIONS:
                Net investment loss                                 (0.17)        (0.12)                 (0.07)
                Net realized and unrealized gain (loss)              2.64          1.34                  (2.41)
                                                                  -------        ------                -------
             Total income (loss) from investment operations          2.47          1.22                  (2.48)
            -------------------------------------------------------------------------------------------------------------
             LESS DIVIDENDS:
                From net investment income                             --         (0.30)                    --
                In excess of net investment income                     --         (0.11)                    --
                                                                  -------        ------                -------
             Total dividends                                           --         (0.41)                    --
            -------------------------------------------------------------------------------------------------------------
             Net asset value, end of period                        $ 9.96        $ 7.49                 $ 6.68
            -------------------------------------------------------------------------------------------------------------

             TOTAL RETURN+                                          32.10 %       19.86 %               (27.07)%(1)
            -------------------------------------------------------------------------------------------------------------

             RATIOS TO AVERAGE NET ASSETS:
            -------------------------------------------------------------------------------------------------------------
             Expenses                                                2.33 %(3)      2.58 %(3)               2.52 %(2)
            -------------------------------------------------------------------------------------------------------------
             Net investment loss                                    (1.58)%(3)     (1.80)%(3)              (1.21)%(2)
            -------------------------------------------------------------------------------------------------------------

             SUPPLEMENTAL DATA:
            -------------------------------------------------------------------------------------------------------------
             Net assets, end of period, in thousands              $10,792        $5,423                 $1,738
            -------------------------------------------------------------------------------------------------------------
             Portfolio turnover rate                                   35 %          78 %                    7 %
            -------------------------------------------------------------------------------------------------------------
</TABLE>

 * The date shares were first issued.
 ++ The per share amounts were computed using an average number of shares
 outstanding during the period.
 + Does not reflect the deduction of sales charge. Calculated based on the net
 asset value as of the last business day of the period.
 (1) Not annualized.
 (2) Annualized.
 (3) Reflects overall Fund ratios for investment income and non-class specific
 expenses.

                                                                              23
<PAGE>

<TABLE>
<CAPTION>
                                                                         FOR THE YEAR ENDED MAY 31,
                                                                         --------------------------  FOR THE YEAR JULY 28, 1997*
                                                                             2000          1999          THROUGH MAY 31, 1998
            <S>                                                          <C>           <C>           <C>
            ---------------------------------------------------------------------------------------------------------------------

             CLASS D SHARES++
            ---------------------------------------------------------------------------------------------------------------------

             SELECTED PER SHARE DATA:
            ---------------------------------------------------------------------------------------------------------------------
             Net asset value, beginning of period                           $ 7.62        $ 6.72                $ 9.16
            ---------------------------------------------------------------------------------------------------------------------
             INCOME (LOSS) FROM INVESTMENT OPERATIONS:
                Net investment loss                                          (0.08)        (0.02)                (0.01)
                Net realized and unrealized gain (loss)                       2.68          1.37                 (2.43)
                                                                           -------        ------               -------
             Total income (loss) from investment operations                   2.60          1.35                 (2.44)
            ---------------------------------------------------------------------------------------------------------------------
             LESS DIVIDENDS:
                From net investment income                                      --         (0.34)                   --
                In excess of net investment income                              --         (0.11)                   --
                                                                           -------        ------               -------
             Total dividends                                                    --         (0.45)                   --
            ---------------------------------------------------------------------------------------------------------------------
             Net asset value, end of period                                 $10.22        $ 7.62                $ 6.72
            ---------------------------------------------------------------------------------------------------------------------

             TOTAL RETURN+                                                   33.25 %       21.76 %              (26.64)%(1)
            ---------------------------------------------------------------------------------------------------------------------

             RATIOS TO AVERAGE NET ASSETS:
            ---------------------------------------------------------------------------------------------------------------------
             Expenses                                                         1.33 %(3)      1.59 %(3)              1.60 %(2)
            ---------------------------------------------------------------------------------------------------------------------
             Net investment loss                                             (0.58)%(3)     (0.81)%(3)             (0.23)%(2)
            ---------------------------------------------------------------------------------------------------------------------

             SUPPLEMENTAL DATA:
            ---------------------------------------------------------------------------------------------------------------------
             Net assets, end of period, in thousands                       $16,887        $1,051                  $628
            ---------------------------------------------------------------------------------------------------------------------
             Portfolio turnover rate                                            35%           78%                    7%
            ---------------------------------------------------------------------------------------------------------------------
</TABLE>

 * The date shares were first issued.
 ++ The per share amounts were computed using an average number of shares
 outstanding during the period.
 + Calculated based on the net asset value as of the last business day of the
 period.
 (1) Not annualized.
 (2) Annualized.
 (3) Reflects overall Fund ratios for investment income and non-class specific
 expenses.

 24
<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
Growth Fund
Market Leader Trust
Mid-Cap Equity Trust
Next Generation Trust
Small Cap Growth Fund
Special Value Fund
Tax-Managed Growth Fund
21st Century Trend Fund
THEME FUNDS
Financial Services Trust
Health Sciences Trust
Information Fund
Natural Resource Development Securities

GLOBAL/INTERNATIONAL FUNDS
Competitive Edge Fund - "Best Ideas"
 Portfolio
European Growth Fund
Fund of Funds - International Portfolio
International Fund
International SmallCap Fund
Japan Fund
Latin American Growth Fund
Pacific Growth Fund
--------------------------------------------------------------------------------
 GROWTH & INCOME FUNDS
--------------------------------
Balanced Growth Fund
Balanced Income Fund
Convertible Securities Trust
Dividend Growth Securities
Equity Fund
Fund of Funds - Domestic Portfolio
Income Builder Fund
S&P 500 Index Fund
S&P 500 Select Fund
Strategist Fund
Total Market Index Fund
Total Return Trust
Value Fund
Value-Added Market Series/Equity Portfolio

THEME FUNDS
Real Estate Fund
Utilities Fund

GLOBAL FUNDS
Global Dividend Growth Securities
Global Utilities Fund
--------------------------------------------------------------------------------
 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
North American Government Income Trust
World Wide Income Trust

TAX-FREE INCOME FUNDS
California Tax-Free Income Fund
Hawaii Municipal Trust (FSC)
Limited Term Municipal Trust (NL)
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 back 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
North American Government Income Trust and 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>
MORGAN STANLEY DEAN WITTER
JAPAN FUND

[Sidebar]
TICKER SYMBOLS:

Class A:  JPNAX
-------------------
Class B:  JPNBX
-------------------
Class C:  JPNCX
-------------------
Class D:  JPNDX
-------------------
[End Sidebar]

                   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.msdw.com/individual/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
                   (202) 942-8090. Reports and other information about the Fund
                   are available on the EDGAR Database on the SEC's Internet
                   site (www.sec.gov), and copies of this information may be
                   obtained, after paying a duplicating fee, by electronic
                   request at the following E-mail address: [email protected],
                   or by writing the Public Reference Section of the SEC,
                   Washington, DC 20549-0102.

                   (THE FUND'S INVESTMENT COMPANY ACT FILE NO. IS 811-7503)


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