DEAN WITTER JAPAN FUND
497, 1996-04-12
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<PAGE>
              PROSPECTUS
MARCH 6, 1996
 
              Dean Witter Japan Fund (the "Fund") is an open-end,
non-diversified management investment company whose investment objective is to
seek long-term capital appreciation. The Fund seeks to meet its investment
objective by investing primarily in securities of issuers located in Japan.
 
               Initial Offering--Shares are being offered in an underwriting by
Dean Witter Distributors Inc. at $10.00 per share with all proceeds going to the
Fund. All expenses in connection with the organization of the Fund and this
offering will be paid by the Investment Manager and Underwriter except for a
maximum of $250,000 of organizational expenses to be reimbursed by the Fund. The
initial offering will run from approximately March 25, 1996 through April 23,
1996.
 
               Continuous Offering--A continuous offering will commence
approximately two weeks after the closing date of the initial offering which is
anticipated for April 26, 1996. Shares of the Fund will be priced at the net
asset value per share next determined following receipt of an order.
 
               Redemptions and/or repurchases of shares purchased in either the
initial offering or the continuous offering are subject in most cases to a
contingent deferred sales charge, scaled down from 5% to 1% of the amount
redeemed, if made within six years of purchase, which charge will be paid to the
Fund's Distributor, Dean Witter Distributors Inc. (See "Redemptions and
Repurchases--Contingent Deferred Sales Charge.") In addition, the Fund pays the
Distributor a Rule 12b-1 distribution fee pursuant to a Plan of Distribution at
the annual rate of 1.0% of the lesser of the (i) average daily aggregate net
sales or (ii) average daily net assets of the Fund. (See "Purchase of Fund
Shares--Plan of Distribution.")
 
               This Prospectus sets forth concisely the information you should
know before investing in the Fund. It should be read and retained for future
reference. Additional information about the Fund is contained in the Statement
of Additional Information, dated March 6, 1996, which has been filed with the
Securities and Exchange Commission, and which is available at no charge upon
request of the Fund at the address or telephone numbers listed on this page. The
Statement of Additional Information is incorporated herein by reference.
 
     DEAN WITTER DISTRIBUTORS INC.
      DISTRIBUTOR
 
      TABLE OF CONTENTS
 
Prospectus Summary/2
Summary of Fund Expenses/3
The Fund and its Management/4
Investment Objective and Policies/5
  Risk Factors and Special Considerations/6
Investment Restrictions/15
Underwriting/15
Purchase of Fund Shares/16
Shareholder Services/18
Redemptions and Repurchases/21
Dividends, Distributions and Taxes/23
Performance Information/24
Additional Information/24
 
SHARES OF THE FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK, AND THE SHARES ARE NOT FEDERALLY INSURED BY THE FEDERAL DEPOSIT
INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.
 
    Dean Witter
    Japan Fund
    Two World Trade Center
    New York, New York 10048
    (212) 392-2550 or
    (800) 869-NEWS (toll free)
<PAGE>
PROSPECTUS SUMMARY
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                 <C>
The                 The Fund is organized as a Trust, commonly known as a Massachusetts business trust, and is an open-end, non-
Fund                diversified management investment company. The Fund invests primarily in securities of issuers located in Japan.
- ------------------------------------------------------------------------------------------------------------------------------------
Shares Offered      Shares of beneficial interest with $0.01 par value (see page 24).
- ------------------------------------------------------------------------------------------------------------------------------------
Initial             Shares are being offered in an underwriting by Dean Witter Distributors Inc. at $10.00 per share. The minimum
Offering            purchase is 100 shares ($1,000). Shares redeemed within six years of purchase are subject to a contingent
                    deferred sales charge under most circumstances. The initial offering will run approximately from March 25, 1996
                    through April 23, 1996. The closing will take place on April 26, 1996 or such other date as may be agreed upon
                    by Dean Witter Distributors Inc. and the Fund (the "Closing Date"). Shares will not be issued and dividends will
                    not be declared by the Fund until after the Closing Date. If any orders received during the initial offering
                    period are accompanied by payment, such payment will be returned unless an accompanying request for investment
                    in a Dean Witter money market fund is received at the time the payment is made. Any purchase order may be
                    cancelled at any time prior to the Closing Date (see page 15).
- ------------------------------------------------------------------------------------------------------------------------------------
Continuous          A continuous offering will commence within approximately two weeks after the Closing Date. During the continuous
Offering            offering, the minimum initial investment will be $1,000 ($100 if the account is opened through EasyInvest-SM-)
                    and the minimum subsequent investment will be $100 (see page 16).
- ------------------------------------------------------------------------------------------------------------------------------------
Investment          The investment objective of the Fund is to seek long-term capital appreciation (see page 5).
Objective
- ------------------------------------------------------------------------------------------------------------------------------------
Investment          Dean Witter InterCapital Inc., the Investment Manager of the Fund, and its wholly-owned subsidiary, Dean Witter
Manager and         Services Company Inc., serve in various investment management, advisory, management and administrative
Sub-Adviser         capacities to ninety-five investment companies and other portfolios with net assets under management of
                    approximately $81.7 billion at January 31, 1996. Morgan Grenfell Investment Services Ltd. has been retained by
                    the Investment Manager as Sub-Adviser to provide investment advice and manage the Fund's portfolio. Morgan
                    Grenfell Investment Services Ltd. currently serves as investment adviser for primarily U.S. corporate and public
                    employee benefit plans, investment companies, endowments and foundations with assets of approximately $12.9
                    billion at December 31, 1995 (see page 4).
- ------------------------------------------------------------------------------------------------------------------------------------
Management          The Investment Manager receives a monthly fee at the annual rate of 1.0% of the Fund's daily net assets, of
Fee                 which the Sub-Adviser receives 40% (see page 4).
- ------------------------------------------------------------------------------------------------------------------------------------
Dividends and       Dividends from net investment income are paid at least annually. Capital gains, if any, are distributed at least
Distributions       annually or retained for reinvestment by the Fund. Dividends and capital gains distributions are automatically
                    reinvested in additional shares at net asset value (without sales charge), unless the shareholder elects to
                    receive cash (see page 23).
- ------------------------------------------------------------------------------------------------------------------------------------
Underwriter and     Dean Witter Distributors Inc. (the "Underwriter" or "Distributor"). The Distributor receives from the Fund a
Distributor         distribution fee accrued daily and payable monthly at the rate of 1.0% per annum of the lesser of (i) the Fund's
                    average daily aggregate net sales or (ii) the Fund's average daily net assets. This fee compensates the
                    Distributor for the services provided in distributing shares of the Fund and for sales related expenses. The
                    Distributor also receives the proceeds of any contingent deferred sales charges (see pages 16 and 21).
- ------------------------------------------------------------------------------------------------------------------------------------
Redemption--        Shares are redeemable by the shareholder at net asset value. An account may be involuntarily redeemed if the
Contingent          total value of the account is less than $100 or, if the account was opened through EasyInvest-SM-, if after
Deferred Sales      twelve months the shareholder has invested less than $1,000 in the account. Although no commission or sales load
Charge              is imposed upon the purchase of shares, a contingent deferred sales charge (scaled down from 5% to 1%) is
                    imposed on any redemption of shares if after such redemption the aggregate current value of an account with the
                    Fund falls below the aggregate amount of the investor's purchase payments made during the six years preceding
                    the redemption. However, there is no charge imposed on redemption of shares purchased through reinvestment of
                    dividends or distributions (see pages 21-23).
- ------------------------------------------------------------------------------------------------------------------------------------
Risks               The net asset value of the Fund's shares will fluctuate with changes in market value of portfolio securities.
                    The concentration of the Fund's assets in Japanese issuers will subject the Fund to the risks of adverse social,
                    political or economic events which occur in or affect Japan. It should be recognized that the foreign securities
                    and markets in which the Fund will invest pose different and greater risks than those customarily associated
                    with domestic securities and their markets. The Fund may also invest in options and futures transactions which
                    may be considered speculative in nature and may involve greater risks than those customarily assumed by other
                    investment companies which do not invest in such instruments (see pages 5-14). The Fund is a non-diversified
                    investment company and, as such, is not subject to the diversification requirements of the Investment Company
                    Act of 1940. As a result, a relatively high percentage of the Fund's assets may be invested in a limited number
                    of issuers. However, the Fund intends to qualify as a regulated investment company under the federal income tax
                    laws and, as such, will be subject to the diversification requirements of the Internal Revenue Code (see pages
                    12 and 23).
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>

 
  THE ABOVE IS QUALIFIED IN ITS ENTIRETY BY THE DETAILED INFORMATION APPEARING
                                   ELSEWHERE
       IN THIS PROSPECTUS AND IN THE STATEMENT OF ADDITIONAL INFORMATION.
 
                                       2
<PAGE>
SUMMARY OF FUND EXPENSES
- --------------------------------------------------------------------------------
 
    The  following table illustrates all expenses and fees that a shareholder of
the Fund will incur.
 
<TABLE>
<S>                                                                                                <C>
SHAREHOLDER TRANSACTION EXPENSES
- -------------------------------------------------------------------------------------------------
Maximum Sales Charge Imposed on Purchases........................................................  None
Maximum Sales Charge Imposed on Reinvested Dividends.............................................  None
Contingent Deferred Sales Charge
  (as a percentage of the lesser of original purchase price or redemption proceeds)..............  5.0%
      A contingent deferred sales charge is imposed at the following declining rates:
</TABLE>
 
<TABLE>
<CAPTION>
YEAR SINCE PURCHASE
PAYMENT MADE                                                                                    PERCENTAGE
- -------------------------------------------------------------------------------------------  -----------------
<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>
 
<TABLE>
<S>                                                                                               <C>
Redemption Fees.................................................................................       None
Exchange Fee....................................................................................       None
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)
- ------------------------------------------------------------------------------------------------
Management Fees.................................................................................       1.0%
12b-1 Fees*.....................................................................................       1.0%
Other Expenses..................................................................................      0.41%
Total Fund Operating Expenses**+................................................................      2.41%
Management and 12b-1 Fees are for  the current fiscal period of the  Fund ending November 30, 1996.  "Other
Expenses"  as shown above, are based  upon estimated amounts of expenses of  the Fund for the fiscal period
ending November 30, 1996.
<FN>
- -------------
 * THE 12B-1 FEE IS ACCRUED DAILY AND PAYABLE MONTHLY, AT AN ANNUAL RATE OF 1.0%
   OF THE LESSER OF: (A) THE AVERAGE  DAILY AGGREGATE GROSS SALES OF THE  FUND'S
   SHARES  SINCE  THE  INCEPTION OF  THE  FUND (NOT  INCLUDING  REINVESTMENTS OF
   DIVIDENDS OR DISTRIBUTIONS), LESS THE AVERAGE DAILY AGGREGATE NET ASSET VALUE
   OF THE  FUND'S  SHARES REDEEMED  SINCE  THE  FUND'S INCEPTION  UPON  WHICH  A
   CONTINGENT  DEFERRED  SALES CHARGE  HAS BEEN  IMPOSED OR  WAIVED, OR  (B) THE
   FUND'S AVERAGE DAILY NET ASSETS. A PORTION OF THE 12B-1 FEE EQUAL TO 0.25% OF
   THE FUND'S AVERAGE DAILY NET ASSETS IS CHARACTERIZED AS A SERVICE FEE  WITHIN
   THE  MEANING  OF NATIONAL  ASSOCIATION OF  SECURITIES DEALERS,  INC. ("NASD")
   GUIDELINES AND IS A PAYMENT MADE  TO THE SELLING BROKER FOR PERSONAL  SERVICE
   AND/OR MAINTENANCE OF SHAREHOLDER ACCOUNTS. THE REMAINDER OF THE 12B-1 FEE IS
   AN  ASSET  BASED  SALES  CHARGE,  AND  IS  A  DISTRIBUTION  FEE  PAID  TO THE
   DISTRIBUTOR TO COMPENSATE IT FOR THE SERVICES PROVIDED AND THE EXPENSES BORNE
   BY THE DISTRIBUTOR AND OTHERS IN  THE DISTRIBUTION OF THE FUND'S SHARES  (SEE
   "PURCHASE OF FUND SHARES").
**  "TOTAL FUND OPERATING EXPENSES,"  AS SHOWN ABOVE, ARE  BASED UPON THE SUM OF
   12B-1 FEES, MANAGEMENT FEES AND "OTHER EXPENSES" WHICH MAY BE INCURRED BY THE
   FUND IN ITS INITIAL FULL YEAR OF OPERATIONS.
 + THE  INVESTMENT  MANAGER HAS  UNDERTAKEN  TO ASSUME  ALL  OPERATING  EXPENSES
   (EXCEPT  FOR ANY 12B-1 FEE, FOREIGN TAXES WITHHELD AND BROKERAGE FEES) AND TO
   WAIVE THE COMPENSATION PROVIDED  FOR IN ITS  MANAGEMENT AGREEMENT UNTIL  SUCH
   TIME  AS THE FUND HAS $50 MILLION OF  NET ASSETS OR UNTIL SIX MONTHS FROM THE
   DATE OF COMMENCEMENT OF  THE FUND'S OPERATIONS,  WHICHEVER OCCURS FIRST.  THE
   FEES  AND  EXPENSES DISCLOSED  ABOVE  DO NOT  REFLECT  THE ASSUMPTION  OF ANY
   EXPENSES OR THE WAIVER OF ANY COMPENSATION BY THE INVESTMENT MANAGER.
</TABLE>
<TABLE>
<CAPTION>
EXAMPLE                                                                                                            1 year
- ---------------------------------------------------------------------------------------------------------------  -----------
<S>                                                                                                              <C>
You would pay the following expenses on a $1,000  investment, assuming (1) 5% annual return and (2)  redemption
 at the end of each time period:...............................................................................   $      74
You would pay the following expenses on the same investment, assuming no redemption:...........................   $      24
 
<CAPTION>
EXAMPLE                                                                                                            3 years
 
- ---------------------------------------------------------------------------------------------------------------  -----------
 
<S>                                                                                                              <C>
You would pay the following expenses on a $1,000  investment, assuming (1) 5% annual return and (2)  redemption
 at the end of each time period:...............................................................................   $     105
 
You would pay the following expenses on the same investment, assuming no redemption:...........................   $      75
 
</TABLE>
 
    THE  ABOVE  EXAMPLE SHOULD  NOT BE  CONSIDERED A  REPRESENTATION OF  PAST OR
FUTURE EXPENSES OR PERFORMANCE.  ACTUAL EXPENSES OF THE  FUND MAY BE GREATER  OR
LESS THAN THOSE SHOWN.
 
    The  purpose of this  table is to  assist the investor  in understanding the
various costs and expenses that  an investor in the  Fund will bear directly  or
indirectly.  For a  more complete description  of these costs  and expenses, see
"The Fund  and its  Management,"  "Plan of  Distribution" and  "Redemptions  and
Repurchases."
 
    Long-term  shareholders  of  the Fund  may  pay  more in  sales  charges and
distribution fees than the  economic equivalent of  the maximum front-end  sales
charges permitted by the NASD.
 
                                       3
<PAGE>
THE FUND AND ITS MANAGEMENT
- --------------------------------------------------------------------------------
 
    Dean  Witter  Japan  Fund  (the  "Fund")  is  an  open-end, non-diversified,
management investment company. The Fund is a trust of the type commonly known as
a "Massachusetts  business  trust" and  was  organized  under the  laws  of  The
Commonwealth of Massachusetts on January 22, 1996.
 
    Dean  Witter InterCapital Inc. ("InterCapital" or the "Investment Manager"),
whose address is Two World Trade Center, New York, New York 10048, is the Fund's
Investment Manager.  The Investment  Manager, which  was incorporated  in  July,
1992,  is a wholly-owned subsidiary  of Dean Witter, Discover  & Co. ("DWDC"), a
balanced financial services organization providing  a broad range of  nationally
marketed credit and investment products.
 
    InterCapital  and its wholly-owned subsidiary,  Dean Witter Services Company
Inc.,  serve  in  various   investment  management,  advisory,  management   and
administrative  capacities to ninety-five investment  companies, thirty of which
are listed on the New York Stock Exchange, with combined assets of approximately
$79.1  billion  at  January  31,  1996.  The  Investment  Manager  also  manages
portfolios of pension plans, other institutions and individuals which aggregated
approximately $2.6 billion at such date.
 
    The  Fund  has retained  the  Investment Manager  to  provide administrative
services, manage its business affairs and supervise the investment of the Fund's
assets. InterCapital has retained Dean  Witter Services Company Inc. to  perform
the aforementioned administrative services for the Fund.
 
    Under  a Sub-Advisory Agreement between  Morgan Grenfell Investment Services
Limited (the "Sub-Adviser") and the Investment Manager, the Sub-Adviser provides
the Fund with investment advice and portfolio management relating to the  Fund's
investments,  subject to the overall supervision  of the Investment Manager. The
Fund's Trustees review the various  services provided by the Investment  Manager
and  the Sub-Adviser to  ensure that the Fund's  general investment policies and
programs are being  properly carried  out and that  administrative services  are
being provided to the Fund in a satisfactory manner.
 
    The  Sub-Adviser,  whose address  is  20 Finsbury  Circus,  London, England,
manages, as of  December 31,  1995, assets  of approximately  $12.9 billion  for
primarily   U.S.  corporate  and  public   employee  benefit  plans,  investment
companies, endowments and foundations. The Sub-Adviser is an indirect subsidiary
of Deutsche Bank AG, the largest commercial bank in Germany.
 
    As full compensation for the services  and facilities furnished to the  Fund
and  for expenses of the  Fund assumed by the  Investment Manager, the Fund pays
the Investment Manager  monthly compensation  calculated daily  by applying  the
annual  rate of 1.0% to the Fund's  net assets. As compensation for its services
provided pursuant to the Sub-Advisory Agreement, the Investment Manager pays the
Sub-Adviser monthly compensation equal to 40% of its monthly compensation.
 
    The Fund's expenses  include: the  fee of  the Investment  Manager; the  fee
pursuant  to the  Plan of Distribution  (see "Purchase of  Fund Shares"); taxes;
certain legal, transfer  agent, custodian  and auditing fees;  and printing  and
other expenses relating to the Fund's operations which are not expressly assumed
by  the Investment  Manager under its  Investment Management  Agreement with the
Fund. The Investment  Manager has  undertaken to assume  all operating  expenses
(except  for  the  Plan of  Distribution  Fee,  foreign taxes  withheld  and any
brokerage fees)  and  waive the  compensation  provided for  in  its  Investment
Management  Agreement until such time as the  Fund has $50 million of net assets
or until six  months from  the date of  commencement of  the Fund's  operations,
whichever occurs first.
 
                                       4
<PAGE>
INVESTMENT OBJECTIVE AND POLICIES
- --------------------------------------------------------------------------------
 
    The   investment  objective  of  the  Fund  is  to  seek  long-term  capital
appreciation. The objective is a fundamental policy  of the Fund and may not  be
changed  without shareholder approval. There is  no assurance that the objective
will be achieved.
 
    The Fund  seeks to  achieve  its investment  objective by  investing,  under
normal  circumstances, at  least 65%  of its  total assets  in equity securities
issued by issuers  located in  Japan. Such  issuers will  include companies  (i)
which  are organized  under the  laws of  Japan and  have a  principal office in
Japan; (ii) which  derive 50%  or more of  their total  revenues from  operating
business(es)  in  Japan; or  (iii)  the equity  securities  of which  are traded
principally on a stock  exchange in Japan. Equity  securities in which the  Fund
may  invest  include  common and  preferred  stocks  and rights  or  warrants to
purchase common stocks.
 
    The Fund may invest up  to 25% of its total  assets in equity securities  of
Japanese  companies traded on the Second Sections of the Main Japanese exchanges
and in the over-the-counter market.  These would generally be smaller  companies
with   above-average   growth  potential.   (See   "Risk  Factors   and  Special
Considerations.")
 
    As a "single country" mutual fund, the Fund may exhibit certain  speculative
characteristics  and thus should  not constitute a  complete investment program.
Investing internationally involves certain risks, such as economic and political
risk, and therefore  poses different  and greater risks  than those  customarily
associated  with domestic securities and their markets. The concentration of the
Fund's assets in Japanese issuers will subject the Fund to the risks of  adverse
social, political or economic events which occur in Japan (see "Risk Factors and
Special Considerations").
 
    The  remainder of the Fund's portfolio equalling, at times, up to 35% of the
Fund's total assets, may be invested in fixed-income and convertible  securities
of  issuers located in Japan or guaranteed by the Japanese government when it is
deemed  that  such  investments  are  consistent  with  the  Fund's   investment
objective.  This remainder may also include equity, government, fixed-income and
convertible securities issued by issuers located in developed economies in Asia,
Europe and North  America, including the  United States, subject  to the  Fund's
investment  objective. Although the Fund may invest  up to 35% of its net assets
in fixed-income and convertible securities which  are either not rated or  rated
below investment grade, the Fund has no current intention of investing in excess
of 10% of its net assets in unrated or lower rated convertible securities nor in
excess  of 5% of its  net assets in unrated  or lower rated non-convertible debt
securities (see "Lower Rated Convertible and Fixed-Income Securities" below). In
addition, this portion  of the Fund's  portfolio will consist  of various  other
financial  instruments  such  as  forward  foreign  exchange  contracts, futures
contracts and options.
 
    The Fund may also invest in securities of Japanese and other foreign issuers
in the form of American Depository Receipts (ADRs), European Depository Receipts
(EDRs) or  other  similar  securities convertible  into  securities  of  foreign
issuers.  These  securities  may  not necessarily  be  denominated  in  the same
currency as the securities into which  they may be converted. ADRs are  receipts
typically  issued by a United States  bank or trust company evidencing ownership
of the underlying securities.  EDRs are European  receipts evidencing a  similar
arrangement.  Generally, ADRs, in  registered form, are designed  for use in the
United States securities markets and EDRs, in bearer form, are designed for  use
in European securities markets.
 
    The  Sub-Adviser will use a "bottom-up" approach, whereby the identification
of earnings  growth  and attractively  priced  stocks drives  the  Sub-Adviser's
investment  process.  However, no  investments  will be  made  without assessing
future country  risk (including  politics, monetary  policy and  currency)  that
might adversely affect stock
selec-
 
                                       5
<PAGE>
tion.  The Sub-Adviser believes that strong growth will be reflected in superior
investment  returns.  A  company's  ability  to  grow  earnings  leads  to   the
accumulation  of  assets, increased  dividend  payments and,  ultimately, drives
share prices higher.
 
    Because market inefficiency can lead to  "over" as well as "under"  pricing,
the  Sub-Adviser believes that an assessment of company growth prospects must be
combined with an understanding of how the stock is priced. A series of multiples
is used for this purpose and evaluated against the stock's history. Stocks  that
are  trading  significantly  above  their historic  norm  are  disqualified from
inclusion in the portfolio.  In addition, the Fund  will maintain a  disciplined
sell process for liquidating portfolio holdings.
 
    There  may be periods during which, in the opinion of the Investment Manager
or Sub-Adviser, market conditions warrant reduction of some or all of the Fund's
securities holdings.  During  such  periods,  the Fund  may  adopt  a  temporary
"defensive"  posture in which greater than 35%  and, in some circumstances up to
100%, of its net assets are invested in cash or money market instruments.  Money
market  instruments  in  which the  Fund  may  invest are  securities  issued or
guaranteed by the U.S.  Government (Treasury bills,  notes and bonds,  including
zero  coupon securities); bank obligations (such  as certificates of deposit and
bankers' acceptances); Yankee instruments;  Eurodollar certificates of  deposit;
obligations  of savings institutions; fully insured certificates of deposit; and
commercial paper rated within the  two highest grades by  Moody's or S&P or,  if
not  rated, issued by a company having  an outstanding debt issue rated at least
AA by S&P or Aa by Moody's.
 
    To hedge  against adverse  price movements  in the  securities held  in  its
portfolio  and the currencies in  which they are denominated  (as well as in the
securities it might wish to purchase and their denominated currencies) the  Fund
may  engage in  transactions in forward  foreign currency  contracts, options on
securities  and  currencies,  and  futures  contracts  and  options  on  futures
contracts  on securities,  currencies and  indexes. The  Fund may  also purchase
options  on  securities  to  facilitate  its  participation  in  the   potential
appreciation  of the value  of the underlying securities.  A discussion of these
transactions follows below under "Risk  Factors and Special Considerations"  and
is   supplemented  by  further   disclosure  in  the   Statement  of  Additional
Information.
 
RISK FACTORS AND SPECIAL CONSIDERATIONS
 
    Investing  in  Japanese   equities  involves  certain   risks  and   special
considerations as follows:
 
THE JAPANESE SECURITIES MARKETS
 
    (a)  The  Exchange  Market.    The  Japanese  exchange  market  is  a highly
systemized, government  regulated market  currently  consisting of  eight  stock
exchanges.  The  three Main  Japanese Exchanges  (Tokyo,  Osaka and  Nagoya) are
comprised of First and Second Sections.  The First Sections have more  stringent
listing  standards with  respect to  a company's  number of  years in existence,
number of outstanding shares and  trading volume and, accordingly, list  larger,
more  established companies than the Second Sections. The Fund intends to invest
primarily in the  securities of  companies listed on  the First  Section of  the
Tokyo  Stock  Exchange ("TSE").  The  TSE is  the  largest exchange  and,  as of
December  29,  1995,  listed  1,253  companies  with  market  capitalization  of
approximately   U.S.$3.3  trillion   and  average  monthly   trading  volume  of
approximately U.S.$62.4 billion. The Fund may invest up to 25% of its net assets
in securities  which are  traded on  the Second  Sections of  the Main  Japanese
Exchanges  (primarily, the  TSE) and  in the  over-the-counter market, described
below. These are generally smaller, less capitalized companies than those traded
on the First Sections. As  of December 29, 1995, the  Second Section of the  TSE
listed  approximately 461 companies with  market capitalization of approximately
U.S.$147.3 billion and average monthly trading volume of approximately  U.S.$3.9
billion.  There are  also five  regional exchanges  in which  the Fund  does not
currently intend to invest.
 
                                       6
<PAGE>
    (b) The OTC Market.   The Japanese  OTC market is  less systemized than  the
stock  exchanges. Trading  of equity  securities in  the Japanese  OTC market is
conducted by securities firms in Japan, primarily through an organization  which
acts  as a "matching agent" by matching buy  and sell orders. As of December 29,
1995, 677  companies  with  market capitalization  of  approximately  U.S.$142.1
billion  and average  monthly trading  volume of  approximately U.S.$4.7 billion
were traded through the Japanese OTC market.
 
    MARKET RISKS.  Although the market for Japanese equities traded on the First
Section of the TSE is substantial in terms of trading volume and liquidity,  the
TSE  has nonetheless exhibited significant market volatility in the past several
years. With respect  to the  OTC market,  trades of  certain stocks  may not  be
effected  on days when the matching of buy  and sell orders for such stocks does
not occur. The  liquidity of the  Japanese OTC market,  as well as  that of  the
Second  Sections  of  the exchanges,  although  increasing in  recent  years, is
limited by the small  number of publicly  held shares which  trade on a  regular
basis.  Overall, Japanese  securities markets have  declined significantly since
1989 which has contributed to a weakness in the Japanese economy and the  impact
of  a further decline cannot be ascertained.  The common stocks of many Japanese
companies continue, as they have  historically, to trade at high  price-earnings
ratios  in  comparison with  those in  the  U.S., even  after the  recent market
decline. Differences  in accounting  methods make  it difficult  to compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially the United States.
 
    POLITICAL RISKS.  Japan has a parliamentary form of government. Triggered by
successive revelations  of political  scandals, one-party  rule by  the  Liberal
Democratic  Party which  was established  in 1955,  was terminated  in mid-1993.
Since then,  political  instability  has  resulted  from  frequent  turnover  of
coalition  governments and  prime ministers.  What, if  any, effect  the current
political situation will have on  prospective regulatory reforms of the  economy
in  Japan  cannot be  predicted.  Recent and  future  developments in  Japan and
neighboring Asian countries may lead to  changes in policy that might  adversely
affect the Fund.
 
    JAPANESE  GOVERNMENT REGULATION.   A  foreign investor  may not  directly or
indirectly acquire 10%  or more of  the total outstanding  shares of a  Japanese
corporation  without prior notification  to the Ministry  of Finance ("MOF") and
any other  ministry  with  proper  jurisdiction.  Such  ministries  may  make  a
recommendation  to modify or prohibit the  proposed acquisition if they consider
that such acquisition falls  under certain limited  conditions specified in  the
Foreign  Exchange  Controls.  If  the  foreign  investor  does  not  accept  the
recommendation, such ministries may issue an order modifying or prohibiting  the
acquisition. The Fund will be considered a foreign investor for this purpose.
 
    ECONOMIC  FACTORS.   The  Japanese economy  experienced its  worst recession
since World War II in the  1990s. While Japan's Economic Planning Agency  claims
the recession ended in October 1993, the economy has been largely stagnant since
then.  In  addition, asset  deflation, both  financial and  in real  estate, has
exerted a continuous drag on the economy. The Japanese government has called for
a transformation of  the economy  away from  its high  dependency on  export-led
growth  towards greater stimulation of the  domestic economy. The plan calls for
direct government spending on public works and includes measures to support weak
land prices and to revitalize Japan's stagnating financial markets. There is  no
assurance that this package, however, will succeed in fueling economic growth.
 
    Strains  in the financial system  have also been one  of the major causes of
Japan's economic weakness.  The non-performing loans  of financial  institutions
have hampered their ability to take on risks, thus obstructing the flow of funds
into  capital outlays as well as equities. At the end of 1995, Japan's financial
institutions were estimated by the government  to have at least yen 40  trillion
(U.S.$400   billion)  in   outstanding  loans,   including  uncollectible  loans
 
                                       7
<PAGE>
estimated at yen 10-15 trillion. While  the banking system appears to be  making
some  progress in  its attempt to  deal with non-performing  assets, the overall
problems in the banking  system could make economic  recovery more difficult  to
achieve and may lead to a crisis in the banking system itself.
 
    INTERNATIONAL  TRADE.  Japan is largely dependent upon foreign economies for
raw materials. International trade is  important to Japan's economy, as  exports
provide  the means to pay for many of  the raw materials it must import. Because
of the concentration  of Japanese  exports in  highly visible  products such  as
automobiles,  machine tools  and semiconductors,  and the  large trade surpluses
ensuing therefrom, Japan has entered a difficult phase in its relations with its
trading partners, particularly with respect to the United States, with whom  the
trade  imbalance is  the greatest.  It is  possible that  differences over trade
policy may lead the U.S. to take actions which may have an adverse effect on the
Japanese economy.
 
    CURRENCY FACTORS.  Securities in Japan are denominated and quoted in  "yen."
Yen are fully convertible and transferable based on floating exchange rates into
all   currencies,  without   administrative  or  legal   restrictions  for  both
non-residents and residents  of Japan.  In determining  the net  asset value  of
shares  of  the Fund,  assets  or liabilities  initially  expressed in  terms of
Japanese yen will be translated into U.S. dollars at the current selling rate of
Japanese yen against U.S. dollars. As a  result, in the absence of a  successful
currency  hedge, the value of the Fund's  assets as measured in U.S. dollars may
be affected favorably or  unfavorably by fluctuations in  the value of  Japanese
yen relative to the U.S. dollar.
 
    NATURAL DISASTERS.  In the past, Japan has experienced earthquakes and tidal
waves  varying in  degrees of  severity, and  the risks  of such  phenomena, and
damage resulting therefrom, continue to exist.
 
    GENERAL   RISKS    OF   INVESTING    IN   JAPANESE    AND   OTHER    FOREIGN
SECURITIES.    Foreign  securities investments  may  be affected  by  changes in
currency  rates  or  exchange  control  regulations,  changes  in   governmental
administration  or economic or monetary policy (in the United States and abroad)
or changed  circumstances  in  dealings between  nations.  Fluctuations  in  the
relative  rates of  exchange between  the currencies  of different  nations will
affect the  value of  the Fund's  investments denominated  in foreign  currency.
Changes  in foreign  currency exchange  rates relative  to the  U.S. dollar will
affect the U.S. dollar value of  the Fund's assets denominated in that  currency
and thereby impact upon the Fund's total return on such assets.
 
    Foreign  currency  exchange rates  are determined  by  forces of  supply and
demand on the foreign exchange markets. These forces are themselves affected  by
the   international  balance  of  payments  and  other  economic  and  financial
conditions, government intervention,  speculation and  other factors.  Moreover,
foreign currency exchange rates may be affected by the regulatory control of the
exchanges  on which the  currencies trade. The  foreign currency transactions of
the Fund will be conducted on a  spot basis or through forward foreign  currency
exchange  contracts  (described below).  The Fund  will  incur certain  costs in
connection with these currency transactions.
 
    Investments in  foreign  securities will  also  occasion risks  relating  to
political  and  economic  developments  abroad,  including  the  possibility  of
expropriations or confiscatory taxation, limitations  on the use or transfer  of
Fund   assets  and  any  effects  of   foreign  social,  economic  or  political
instability. Foreign companies are not subject to the regulatory requirements of
U.S. companies and, as  such, there may be  less publicly available  information
about  such companies.  Moreover, foreign companies  are not  subject to uniform
accounting,  auditing  and  financial   reporting  standards  and   requirements
comparable to those applicable to U.S. companies.
 
    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.
Fur-
 
                                       8
<PAGE>
thermore,  foreign exchanges  and broker-dealers  are generally  subject to less
government  and   exchange  scrutiny   and   regulation  than   their   American
counterparts.  Brokerage commissions,  dealer concessions  and other transaction
costs may be higher on foreign markets than in the U.S. In addition, differences
in clearance and settlement procedures on foreign markets may occasion delays in
settlements of  the  Fund's  trades  effected in  such  markets.  As  such,  the
inability  to dispose  of portfolio  securities due  to settlement  delays could
result in  losses to  the  Fund due  to subsequent  declines  in value  of  such
securities and the inability of the Fund to make intended security purchases due
to settlement problems could result in a failure of the Fund to make potentially
advantageous investments.
 
    REPURCHASE AGREEMENTS.  The Fund may enter into repurchase agreements, which
may  be viewed  as a type  of secured lending  by the Fund,  and which typically
involve the acquisition by the Fund of debt securities, from a selling financial
institution such as a bank, savings  and loan association or broker-dealer.  The
agreement provides that the Fund will sell back to the institution, and that the
institution will repurchase, the underlying security at a specified price and at
a  fixed time in the future,  usually not more than seven  days from the date of
purchase. While repurchase agreements involve certain risks not associated  with
direct  investments  in  debt  securities, including  the  risks  of  default or
bankruptcy of the selling financial institution, the Fund follows procedures  to
minimize  such risks. These procedures include effecting repurchase transactions
only with large,  well-capitalized and  well-established financial  institutions
and maintaining adequate collateralization.
 
    REVERSE  REPURCHASE  AGREEMENTS AND  DOLLAR ROLLS.   The  Fund may  also use
reverse repurchase  agreements  and  dollar  rolls as  part  of  its  investment
strategy.  Reverse repurchase agreements involve sales  by the Fund of portfolio
assets concurrently with an agreement by the Fund to repurchase the same  assets
at  a later date at a fixed price. The Fund may enter into dollar rolls in which
the  Fund   sells  securities   and  simultaneously   contracts  to   repurchase
substantially  similar (same type  and coupon) securities  on a specified future
date. Reverse repurchase agreements and dollar  rolls involve the risk that  the
market  value of the  securities the Fund  is obligated to  repurchase under the
agreement may decline  below the  repurchase price. In  the event  the buyer  of
securities  under  a  reverse  repurchase agreement  or  dollar  roll  files for
bankruptcy or becomes insolvent, the Fund's use of proceeds of the agreement may
be restricted pending  a determination  by the other  party, or  its trustee  or
receiver, whether to enforce the Fund's obligation to repurchase the securities.
Reverse  repurchase  agreements  and  dollar  rolls  are  speculative techniques
involving leverage, and are considered borrowings by the Fund.
 
    WHEN-ISSUED AND DELAYED DELIVERY SECURITIES  AND FORWARD COMMITMENTS.   From
time  to  time,  in the  ordinary  course  of business,  the  Fund  may purchase
securities on a when-issued  or delayed delivery basis  or may purchase or  sell
securities on a forward commitment basis. When such transactions are negotiated,
the  price is fixed at the time of  the commitment, but delivery and payment can
take place a month or more after the date of the commitment. There is no overall
limit on the  percentage of  the Fund's  assets which  may be  committed to  the
purchase  of securities on a when-issued, delayed delivery or forward commitment
basis. An  increase in  the percentage  of the  Fund's assets  committed to  the
purchase  of securities on a when-issued, delayed delivery or forward commitment
basis may increase the volatility of the Fund's net asset value.
 
    WHEN, AS AND IF ISSUED  SECURITIES.  The Fund  may purchase securities on  a
"when,  as and if issued" basis under which the issuance of the security depends
upon the  occurrence  of a  subsequent  event, such  as  approval of  a  merger,
corporate  reorganization,  leveraged  buyout  or  debt  restructuring.  If  the
anticipated event does  not occur and  the securities are  not issued, the  Fund
will  have lost  an investment  opportunity. There  is no  overall limit  on the
percentage of the Fund's assets which
 
                                       9
<PAGE>
may be committed to  the purchase of  securities on a "when,  as and if  issued"
basis.  An increase  in the  percentage of  the Fund's  assets committed  to the
purchase of securities  on a "when,  as and  if issued" basis  may increase  the
volatility of its net asset value.
 
    ZERO  COUPON SECURITIES.  A portion of the fixed-income securities purchased
by the Fund may be  zero coupon securities. Such  securities are purchased at  a
discount from their face amount, giving the purchaser the right to receive their
full  value at maturity. The interest  earned on such securities is, implicitly,
automatically compounded and paid out at  maturity. While such compounding at  a
constant rate eliminates the risk of receiving lower yields upon reinvestment of
interest  if  prevailing interest  rates  decline, the  owner  of a  zero coupon
security will be  unable to participate  in higher yields  upon reinvestment  of
interest  received on  interest-paying securities  if prevailing  interest rates
rise.
 
    A zero  coupon security  pays no  interest to  its holder  during its  life.
Therefore, to the extent the Fund invests in zero coupon securities, it will not
receive  current cash available  for distribution to  shareholders. In addition,
zero coupon securities are subject  to substantially greater price  fluctuations
during  periods  of  changing  prevailing  interest  rates  than  are comparable
securities which  pay interest  on  a current  basis.  Current federal  tax  law
requires  that a holder  (such as the Fund)  of a zero  coupon security accrue a
portion of the discount at which the security was purchased as income each  year
even  though the  Fund receives  no interest  payments in  cash on  the security
during the year.
 
    PRIVATE PLACEMENTS.  The  Fund may invest  up to 5% of  its total assets  in
securities  which are  subject to restrictions  on resale because  they have not
been registered under the  Securities Act of 1933,  as amended (the  "Securities
Act"),  or which are otherwise not  readily marketable. (Securities eligible for
resale pursuant to  Rule 144A  under the Securities  Act, and  determined to  be
liquid  pursuant to the procedures discussed in the following paragraph, are not
subject to the foregoing restriction.)  These securities are generally  referred
to  as private placements or restricted securities. Limitations on the resale of
such securities  may have  an adverse  effect on  their marketability,  and  may
prevent  the Fund from disposing of them promptly at reasonable prices. The Fund
may have to bear the expense of  registering such securities for resale and  the
risk of substantial delays in effecting such registration.
 
    The  Securities  and Exchange  Commission has  adopted  Rule 144A  under the
Securities Act,  which  permits  the  Fund  to  sell  restricted  securities  to
qualified  institutional  buyers  without  limitation.  The  Investment Manager,
pursuant to  procedures  adopted  by the  Trustees  of  the Fund,  will  make  a
determination  as to the liquidity of  each restricted security purchased by the
Fund. If a restricted  security is determined to  be of "liquid," such  security
will  not be  included within  the category  "illiquid securities,"  which under
current policy may not exceed 15% of the Fund's net assets.
 
    OPTIONS AND FUTURES TRANSACTIONS.   The Fund may  purchase and sell  (write)
call and put options on (i) portfolio securities which are denominated in either
U.S.  dollars  or foreign  currencies; (ii)  stock indexes;  and (iii)  the U.S.
dollar and foreign currencies. Such options are  or may in the future be  listed
on   several  U.S.  and  foreign  securities  exchanges  or  may  be  traded  in
over-the-counter transactions ("OTC options"). OTC options are purchased from or
sold (written)  to dealers  or financial  institutions which  have entered  into
direct agreements with the Fund.
 
    The  Fund is permitted to write covered call options on portfolio securities
and the U.S.  dollar and foreign  currencies, without limit,  in order to  hedge
against  the  decline in  the  value of  a security  or  currency in  which such
security is denominated  (although such  hedge is limited  to the  value of  the
premium  received) and  to close  out long call  option positions.  The Fund may
write covered put options, under which the Fund incurs an obligation to buy  the
security (or currency) underlying the option from
 
                                       10
<PAGE>
the  purchaser of the put at the option's  exercise price at any time during the
option period, at the purchaser's election.
 
    The Fund  may  purchase listed  and  OTC call  and  put options  in  amounts
equalling  up to 5% of  its total assets. The Fund  may purchase call options to
close out a covered call position or to protect against an increase in the price
of a security it  anticipates purchasing or,  in the case of  call options on  a
foreign  currency,  to hedge  against  an adverse  exchange  rate change  of the
currency  in  which  the  security  it  anticipates  purchasing  is  denominated
vis-a-vis  the currency in which the exercise price is denominated. The Fund may
purchase put options on  securities which it holds  in its portfolio to  protect
itself  against a decline in the value of  the security and to close out written
put positions in a manner similar to call option closing purchase  transactions.
There are no other limits on the Fund's ability to purchase call and put options
other than compliance with the foregoing policies.
 
    The  Fund may purchase and sell futures contracts that are currently traded,
or may in  the future  be traded,  on U.S.  and foreign  commodity exchanges  on
underlying  portfolio securities, on any  currency ("currency" futures), on U.S.
and foreign  fixed-income  securities  ("interest rate"  futures)  and  on  such
indexes  of U.S. or  foreign equity or  fixed-income securities as  may exist or
come into being ("index" futures). The  Fund may purchase or sell interest  rate
futures  contracts for the  purpose of hedging some  or all of  the value of its
portfolio securities (or  anticipated portfolio securities)  against changes  in
prevailing interest rates. The Fund may purchase or sell index futures contracts
for  the  purpose  of hedging  some  or  all of  its  portfolio  (or anticipated
portfolio) securities against changes in their prices. The Fund may purchase  or
sell  currency futures contracts to hedge against an anticipated rise or decline
in the  value of  the currency  in  which a  portfolio security  is  denominated
vis-a-vis  another currency. As a futures contract purchaser, the Fund incurs an
obligation to take delivery of a  specified amount of the obligation  underlying
the  contract at  a specified  time in the  future for  a specified  price. As a
seller of  a futures  contract, the  Fund incurs  an obligation  to deliver  the
specified  amount of the underlying obligation at a specified time in return for
an agreed upon price.
 
    The Fund  also  may purchase  and  write call  and  put options  on  futures
contracts  which are traded  on an exchange and  enter into closing transactions
with respect to such options to terminate an existing position.
 
    New futures  contracts, options  and other  financial products  and  various
combinations  thereof continue to be developed. The  Fund may invest in any such
futures, options or products as may be developed, to the extent consistent  with
its investment objective and applicable regulatory requirements.
 
    RISKS  OF  OPTIONS AND  FUTURES  TRANSACTIONS. The  Fund  may close  out its
position as writer of an option, or as a buyer or seller of a futures  contract,
only  if a liquid  secondary market exists  for options or  futures contracts of
that series. There is no assurance  that such a market will exist,  particularly
in  the case of OTC options, as such options may generally only be closed out by
entering into a closing purchase  transaction with the purchasing dealer.  Also,
exchanges  may limit the amount by which the price of many futures contracts may
move on any day. If  the price moves equal the  daily limit on successive  days,
then  it may prove  impossible to liquidate  a futures position  until the daily
limit moves have ceased.
 
    Futures contracts and options transactions may be considered speculative  in
nature  and may  involve greater risks  than those customarily  assumed by other
investment companies which do not invest  in such instruments. One such risk  is
that   the  Investment  Manager  or  Sub-Adviser   could  be  incorrect  in  its
expectations as to  the direction or  extent of various  interest rate or  price
movements  or the time span within which  the movements take place. For example,
if the Fund sold futures contracts for the sale of securities in anticipation of
an increase in interest rates, and then interest rates
 
                                       11
<PAGE>
went down instead, causing bond prices to rise, the Fund would lose money on the
sale. Another risk which  will arise in employing  futures contracts to  protect
against  the  price volatility  of portfolio  securities is  that the  prices of
securities, currencies and indexes subject to futures contracts (and thereby the
futures contract prices) may correlate imperfectly with the behavior of the U.S.
dollar cash  prices of  the Fund's  portfolio securities  and their  denominated
currencies. See the Statement of Additional Information for a further discussion
of risks.
 
    NON-DIVERSIFIED  STATUS.  The  Fund is a  non-diversified investment company
and, as such, is not subject to the diversification requirements of the Act.  As
a  non-diversified investment company, the Fund  may invest a greater portion of
its assets in the securities of a  single issuer and thus is subject to  greater
exposure  to  risks such  as  a decline  in the  credit  rating of  that issuer.
However, the Fund antici-
pates that it will qualify as  a regulated investment company under the  federal
income  tax  laws  and, if  so  qualified,  will be  subject  to  the applicable
diversification requirements  of  the Internal  Revenue  Code, as  amended  (the
"Code").  As a regulated investment company under the Code, the Fund may not, as
of the end of  any of its fiscal  quarters, have invested more  than 25% of  its
total  assets  in  the  securities  of  any  one  issuer  (including  a  foreign
government), or as to 50% of its total assets, have invested more than 5% of its
total assets in the securities of a single issuer.
 
    FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS. The Fund may enter into forward
foreign currency exchange contracts ("forward contracts") in connection with its
foreign securities investments.
 
    A forward contract involves an obligation to purchase or sell a currency  at
a  future date,  which may  be any  fixed number  of days  from the  date of the
contract agreed upon by the parties, at a price set at the time of the contract.
The Fund may  enter into forward  contracts as a  hedge against fluctuations  in
future foreign exchange rates.
 
    The Fund will enter into forward contracts under various circumstances. When
the  Fund  enters  into  a contract  for  the  purchase or  sale  of  a security
denominated in a foreign currency, it may, for example, desire to "lock in"  the
price  of the security in U.S. dollars  or some other foreign currency which the
Fund is  temporarily  holding in  its  portfolio.  By entering  into  a  forward
contract  for  the purchase  or sale,  for a  fixed amount  of dollars  or other
currency, of the amount of foreign currency involved in the underlying  security
transactions,  the Fund will be  able to protect itself  against a possible loss
resulting from an adverse change in the relationship between the U.S. dollar  or
other currency which is being used for the security purchase (by the Fund or the
counterparty)  and the  foreign currency  in which  the security  is denominated
during the period between the  date on which the  security is purchased or  sold
and the date on which payment is made or received.
 
    At  other  times,  when,  for  example,  the  Fund's  Investment  Manager or
Sub-Adviser believe that the currency of a particular foreign country may suffer
a substantial decline against  the U.S. dollar or  some other foreign  currency,
the  Fund may  enter into  a forward  contract to  sell, for  a fixed  amount of
dollars or  other currency,  the amount  of foreign  currency approximating  the
value  of some or all of the Fund's securities holdings (or securities which the
Fund has  purchased for  its portfolio)  denominated in  such foreign  currency.
Under  identical circumstances,  the Fund may  enter into a  forward contract to
sell, for a fixed amount of U.S. dollars or other currency, an amount of foreign
currency other  than the  currency in  which  the securities  to be  hedged  are
denominated  approximating the value of some  or all of the portfolio securities
to be hedged. This method of  hedging, called "cross-hedging," will be  selected
by  the Investment Manager or Sub-Adviser when it is determined that the foreign
currency in  which the  portfolio securities  are denominated  has  insufficient
liquidity  or  is trading  at a  discount  as compared  with some  other foreign
currency with which it tends to move in tandem.
 
                                       12
<PAGE>
    In addition, when  the Fund's Investment  Manager or Sub-Adviser  anticipate
purchasing  securities at  some time in  the future,  and wishes to  lock in the
current exchange rate of the currency in which those securities are  denominated
against  the U.S. dollar or some other foreign currency, the Fund may enter into
a forward contract to purchase an amount of currency equal to some or all of the
value of the anticipated purchase, for a  fixed amount of U.S. dollars or  other
currency.  The  Fund  may,  however,  close  out  the  forward  contract without
purchasing the security which was the subject of the "anticipatory" hedge.
 
    In all  of the  above circumstances,  if the  currency in  which the  Fund's
securities  holdings (or anticipated portfolio securities) are denominated rises
in value with respect to the currency  which is being purchased (or sold),  then
the  Fund will have realized fewer gains than  had the Fund not entered into the
forward contracts.  Moreover,  the  precise matching  of  the  forward  contract
amounts and the value of the securities involved will not generally be possible,
since the future value of such securities in foreign currencies will change as a
consequence  of market  movements in the  value of those  securities between the
date the forward contract is entered into  and the date it matures. The Fund  is
not  required  to  enter  into  such transactions  with  regard  to  its foreign
currency-denominated securities and will not do so unless deemed appropriate  by
the  Investment Manager or Sub-Adviser. The Fund generally will not enter into a
forward contract with a  term of greater  than one year,  although it may  enter
into  forward contracts for periods of up to five years. The Fund may be limited
in its ability to enter into hedging transactions involving forward contracts by
the Internal Revenue Code requirements relating to qualification as a  regulated
investment company (see "Dividends, Distributions and Taxes").
 
    RIGHTS  AND WARRANTS.  The Fund may acquire rights and/or warrants which are
attached to  other  securities  in its  portfolio,  or  which are  issued  as  a
distribution  by the issuer of  a security held in  its portfolio. Rights and/or
warrants are, in  effect, options to  purchase equity securities  at a  specific
price, generally valid for a specific period of time, and have no voting rights,
pay  no dividends  and have  no rights with  respect to  the corporation issuing
them.
 
    LOWER RATED CONVERTIBLE AND FIXED-INCOME SECURITIES.  The Fund may  acquire,
through  purchase or  a distribution  by the  issuer of  a security  held in its
portfolio, a fixed-income security which is convertible into common stock of the
issuer. Convertible securities rank senior  to common stocks in a  corporation's
capital structure and, therefore, entail less risk than the corporation's common
stock.  The value  of a  convertible security is  a function  of its "investment
value" (its  value as  if  it did  not have  a  conversion privilege),  and  its
"conversion  value" (the  security's worth  if it were  to be  exchanged for the
underlying security, at market value, pursuant to its conversion privilege).
 
    To the extent that a convertible security's investment value is greater than
its conversion  value,  its  price  will  be  primarily  a  reflection  of  such
investment  value and its price  will be likely to  increase when interest rates
fall and decrease when interest rates rise, as with a fixed-income security (the
credit standing of the issuer and other  factors may also have an effect on  the
convertible  security's value). If  the conversion value  exceeds the investment
value, the price  of the  convertible security  will rise  above its  investment
value  and, in addition,  will sell at  some premium over  its conversion value.
(This premium  represents  the  price  investors are  willing  to  pay  for  the
privilege  of purchasing a  fixed-income security with  a possibility of capital
appreciation due to the  conversion privilege.) At such  times the price of  the
convertible  security  will tend  to fluctuate  directly with  the price  of the
underlying equity security.
 
    A portion of the fixed-income and  convertible securities in which the  Fund
may  invest are  not rated;  when rated,  such ratings  will generally  be below
investment grade. Securities below investment  grade are the equivalent of  high
yield, high risk bonds, commonly known as "junk bonds."
Invest-
 
                                       13
<PAGE>
ment  grade is generally considered to be debt securities rated BBB or higher by
Standard & Poor's  Corporation ("S&P")  or Baa  or higher  by Moody's  Investors
Service,  Inc. ("Moody's"). However, the Fund will not invest in debt securities
that are in default in payment of principal or interest.
 
    Because of the special nature of  the Fund's permitted investments in  lower
rated  debt securities, the Investment Manager and Sub-Adviser must take account
of certain special considerations  in assessing the  risks associated with  such
investments.  The prices of  lower rated securities  have been found  to be less
sensitive to changes in prevailing interest rates than higher rated investments,
but are likely to  be more sensitive to  adverse economic changes or  individual
corporate  developments. During  an economic  downturn or  substantial period of
rising interest rates, highly leveraged issuers may experience financial  stress
which  would  adversely  affect their  ability  to service  their  principal and
interest payment  obligations, to  meet  their projected  business goals  or  to
obtain  additional financing. If the issuer  of a fixed-income security owned by
the Fund defaults, the Fund may  incur additional expenses to seek recovery.  In
addition,  periods of economic uncertainty and  change can be expected to result
in an increased  volatility of  market prices of  lower rated  securities and  a
corresponding volatility in the net asset value of a share of the Fund.
 
PORTFOLIO MANAGEMENT
 
    The  Fund's portfolio is actively managed  by its Investment Manager and the
Sub-Adviser with  a  view  to  achieving the  Fund's  investment  objective.  In
determining  which securities  to purchase  for the Fund  or hold  in the Fund's
portfolio, the Investment Manager and  the Sub-Adviser will rely on  information
from various sources, including research, ana-
lysis  and appraisals of brokers and dealers,  the views of Trustees of the Fund
and others regarding  economic developments  and interest rate  trends, and  the
Investment  Manager's  and  Sub-Adviser's  own  analysis  of  factors  they deem
relevant. The  Fund's  primary portfolio  manager  is William  G.M.  Thomas,  an
Investment  Director of  the Sub-Adviser.  Mr. Thomas  has been  managing equity
portfolios for the Sub-Adviser for over ten years.
 
    Personnel  of  the  Investment  Manager  and  Sub-Adviser  have  substantial
experience  in the  use of the  investment techniques described  above under the
heading "Options  and Futures  Transactions,"  which techniques  require  skills
different  from  those  needed  to select  the  portfolio  securities underlying
various options and futures contracts.
 
    Orders for  transactions  in portfolio  securities  and commodities  may  be
placed  for the Fund with a number of brokers and dealers, including DWR and two
affiliated broker-dealers of the Sub-Adviser (Morgan Grenfell Asia and  Partners
Securities  Pte.  Limited  and  Morgan  Grenfell  Asia  Securities  (Hong  Kong)
Limited). Pursuant to an  order of the Securities  and Exchange Commission,  the
Fund  may effect principal transactions in certain money market instruments with
Dean Witter Reynolds Inc. ("DWR"),  a broker-dealer affiliate of the  Investment
Manager.  In addition, the Fund may  incur brokerage commissions on transactions
conducted through DWR and the  two above-mentioned affiliated broker-dealers  of
the Sub-Adviser.
 
    Although  the Fund does not  intend to engage in  short-term trading, it may
sell portfolio securities without  regard to the length  of time they have  been
held  when  such  sale  will,  in  the  opinion  of  the  Investment  Manager or
Sub-Adviser,  contribute  to  the  Fund's   investment  objective.  It  is   not
anticipated  that the Fund's portfolio turnover rate will exceed 100% in any one
year.
 
    The expenses of the Fund relating to its portfolio management are likely  to
be greater than those incurred by other investment companies investing primarily
in   securities  issued  by  domestic  issuers  as  custodial  costs,  brokerage
commissions and  other transaction  charges related  to investing  in Japan  and
other foreign markets are generally higher than in the United States.
 
                                       14
<PAGE>
INVESTMENT RESTRICTIONS
- --------------------------------------------------------------------------------
 
    The  investment restrictions listed  below are among  the restrictions which
have been adopted  by the  Fund as  fundamental policies.  Under the  Investment
Company  Act of 1940,  as amended (the  "Act"), a fundamental  policy may not be
changed without the vote of a  majority of the outstanding voting securities  of
the  Fund, as defined in the Act. For purposes of the following limitations: (i)
all percentage  limitations  apply  immediately  after  a  purchase  or  initial
investment,  and  (ii)  any  subsequent  change  in  any  applicable  percentage
resulting from market fluctuations or other changes in total or net assets  does
not require elimination of any security from the portfolio.
 
    The Fund may not:
 
   1.  Invest 25%  or more  of the value  of its  total assets  in securities of
issuers in any  one industry.  This restriction  does not  apply to  obligations
issued   or  guaranteed  by  the  United  States  Government,  its  agencies  or
instrumentalities.
 
   2. Invest more  than 5% of  the value of  its total assets  in securities  of
issuers having a record, together with predecessors, of less than three years of
continuous  operation. This restriction shall not apply to any obligation issued
or   guaranteed   by   the   United   States   Government,   its   agencies   or
instrumentalities.
 
    In addition, as a non-fundamental policy, the Fund may not, as to 75% of its
total assets, purchase more than 10% of the voting securities of any issuer.
 
UNDERWRITING
- --------------------------------------------------------------------------------
 
    Dean  Witter Distributors Inc. (the "Underwriter") has agreed to purchase up
to 10,000,000 shares from the Fund,  which number may be increased or  decreased
in  accordance with  the Underwriting Agreement.  The initial  offering will run
approximately from  March 25,  1996  through April  23, 1996.  The  Underwriting
Agreement  provides that the obligation of the Underwriter is subject to certain
conditions precedent and that the Underwriter will be obligated to purchase  the
shares  on April  26, 1996,  or such  other date  as may  be agreed  upon by the
Underwriter and the  Fund (the "Closing  Date"). Shares will  not be issued  and
dividends  will not be  declared by the  Fund until after  the Closing Date. For
this reason, payment is not  required to be made prior  to the Closing Date.  If
any  orders  received  during the  initial  offering period  are  accompanied by
payment, such  payment  will be  returned  unless an  accompanying  request  for
investment  in  a Dean  Witter money  market fund  is received  at the  time the
payment is made. Prospective investors in money market funds should request  and
read  the  money  market fund  prospectus  prior  to investing.  All  such funds
received and invested in a Dean  Witter money market fund will be  automatically
invested  in the  Fund on  the Closing  Date without  any further  action by the
investor. Any investor  may cancel his  or her purchase  of Fund shares  without
penalty at any time prior to the Closing Date.
 
    The  Underwriter will purchase shares from the Fund at $10.00 per share with
all proceeds going to the Fund. The Underwriter may, however, receive contingent
deferred sales charges from future redemptions of such shares (see  "Redemptions
and Repurchases--Contingent Deferred Sales Charge").
 
    The  Underwriter shall, regardless of  its expected underwriting commitment,
be entitled  and obligated  to purchase  only  the number  of shares  for  which
purchase  orders have been received  by the Underwriter prior  to 2:00 p.m., New
York time, on the third business day  preceding the Closing Date, or such  other
date as may be agreed to between the parties.
 
                                       15
<PAGE>
    The  minimum number of Fund shares which may be purchased by any shareholder
pursuant to this offering is 100 shares. Certificates for shares purchased  will
not be issued unless requested by the shareholder in writing.
 
PURCHASE OF FUND SHARES
- --------------------------------------------------------------------------------
 
    Dean   Witter  Distributors  Inc.  (the   "Distributor")  will  act  as  the
Distributor of the Fund's shares during  the continuous offering. Pursuant to  a
Distribution  Agreement between the Fund and the Distributor, shares of the Fund
are distributed by the Distributor and offered by DWR and other dealers who have
entered  into  selected  dealer  agreements  with  the  Distributor   ("Selected
Broker-Dealers").  The principal executive office  of the Distributor is located
at Two World Trade Center, New York, New York 10048.
 
    The minimum initial purchase is $1,000. Minimum subsequent purchases of $100
or more may  be made  by sending  a check, payable  to Dean  Witter Japan  Fund,
directly  to Dean Witter Trust Company (the  "Transfer Agent") at P.O. Box 1040,
Jersey City, NJ  07303 or by  contacting an  account executive of  DWR or  other
Selected  Broker-Dealer. The minimum initial purchase in the case of investments
through EasyInvest-SM-, an automatic purchase plan (see "Shareholder Services"),
is $100, provided  that the  schedule of  automatic investments  will result  in
investments  totalling at  least $1,000 within  the first twelve  months. In the
case of investments  pursuant to Systematic  Payroll Deduction Plans  (including
Individual   Retirement  Plans),  the  Fund,   in  its  discretion,  may  accept
investments without  regard to  any  minimum amounts  which would  otherwise  be
required  if the  Fund has  reason to  believe that  additional investments will
increase the investment  in all accounts  under such Plans  to at least  $1,000.
Certificates for shares purchased will not be issued unless a request is made by
the shareholder in writing to the Transfer Agent. The offering price will be the
net  asset value per  share next determined  following receipt of  an order (see
"Determination of Net Asset Value").
 
    Shares of  the Fund  are sold  through  the Distributor  on a  normal  three
business day settlement basis; that is, payment is due on the third business day
(settlement  date) after the order is placed with the Distributor. Shares of the
Fund purchased through the  Distributor are entitled  to any dividends  declared
beginning  on the  next business  day following  settlement date.  Since DWR and
other Selected Broker-Dealers forward investors' funds on settlement date,  they
will  benefit  from the  temporary use  of the  funds if  payment is  made prior
thereto. Shares  purchased  through  the  Transfer Agent  are  entitled  to  any
dividends  declared beginning on  the next business day  following receipt of an
order. As noted above,  orders placed directly with  the Transfer Agent must  be
accompanied  by payment.  Investors will  be entitled  to receive  dividends and
capital gains distributions if their order is received by the close of  business
on  the day  prior to  the record  date for  such distributions.  While no sales
charge is imposed at the time shares are purchased, a contingent deferred  sales
charge  may  be  imposed  at  the  time  of  redemption  (see  "Redemptions  and
Repurchases"). Sales personnel are compensated for selling shares of the Fund at
the time of their sale by the Distributor and/or the Selected Broker-Dealer.  In
addition,  some  sales  personnel  of the  Selected  Broker-Dealer  will receive
various types of  non-cash compensation as  special sales incentives,  including
trips,  educational and/or business  seminars and merchandise.  The Fund and the
Distributor reserve the right to reject any purchase orders.
 
PLAN OF DISTRIBUTION
 
    The Fund has adopted a Plan of Distribution pursuant to Rule 12b-1 under the
Act (the "Plan"),  under which the  Fund pays  the Distributor a  fee, which  is
accrued  daily and payable monthly, at an annual  rate of 1.0% of the lesser of:
(a) the average
 
                                       16
<PAGE>
daily aggregate gross sales of the Fund's shares since the inception of the Fund
(not including reinvestments of dividends or capital gains distributions),  less
the  average daily aggregate net asset value of the Fund's shares redeemed since
the Fund's inception  upon which  a contingent  deferred sales  charge has  been
imposed  or waived;  or (b)  the Fund's  average daily  net assets.  This fee is
treated by the Fund as an  expense in the year it  is accrued. A portion of  the
fee payable pursuant to the Plan, equal to 0.25% of the Fund's average daily net
assets, is characterized as a service fee within the meaning of NASD guidelines.
The service fee is a payment made for personal service and/or the maintenance of
shareholder accounts.
 
    Amounts  paid  under  the Plan  are  paid  to the  Distributor  for services
provided  and  the  expenses  borne  by  the  Distributor  and  others  in   the
distribution  of the  Fund's shares,  including the  payment of  commissions for
sales of the Fund's shares and  incentive compensation to and expenses of  DWR's
account executives and others who engage in or support distribution of shares or
who  service shareholder  accounts, including  overhead and  telephone expenses;
printing and distribution of  prospectuses and reports  used in connection  with
the  offering  of the  Fund's  shares to  other  than current  shareholders; and
preparation, printing  and  distribution  of sales  literature  and  advertising
materials.  In addition, the  Distributor may utilize fees  paid pursuant to the
Plan to compensate DWR and  other Selected Broker-Dealers for their  opportunity
costs  in advancing such amounts,  which compensation would be  in the form of a
carrying charge on any unreimbursed expenses.
 
    At any given time, the expenses in distributing shares of the Fund may be in
excess of the total of (i) the payments  made by the Fund pursuant to the  Plan,
and  (ii) the  proceeds of contingent  deferred sales charges  paid by investors
upon the  redemption of  shares  (see "Redemptions  and  Repurchases--Contingent
Deferred  Sales Charge"). For example, if $1 million in expenses in distributing
shares of the Fund had been incurred and $750,000 had been received as described
in (i) and (ii) above, the excess expense would amount to $250,000.
 
    Because there  is no  requirement under  the Plan  that the  Distributor  be
reimbursed  for all  distribution expenses or  any requirement that  the Plan be
continued from year to year, such excess  amount, if any, does not constitute  a
liability of the Fund. Although there is no legal obligation for the Fund to pay
expenses  incurred in excess of payments made to the Distributor under the Plan,
and the proceeds  of contingent deferred  sales charges paid  by investors  upon
redemption of shares, if for any reason the Plan is terminated the Trustees will
consider at that time the manner in which to treat such expenses. Any cumulative
expenses incurred, but not yet recovered through distribution fees or contingent
deferred  sales charges, may or may not be recovered through future distribution
fees or contingent deferred sales charges.
 
DETERMINATION OF NET ASSET VALUE
 
    The net asset value per share of  the Fund is determined once daily at  4:00
p.m.,  New York 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) by taking the value of all assets of the Fund, subtracting all its
liabilities,  dividing by the number of  shares outstanding and adjusting to the
nearest cent. The  net asset  value per  share will  not be  determined on  Good
Friday and on such other federal and non-federal holidays as are observed by the
New York Stock Exchange.
 
    In  the calculation of the  Fund's net asset value:  (1) an equity portfolio
security listed or traded on  the New York or  American Stock Exchange or  other
domestic  or foreign stock exchange or quoted  by NASDAQ is valued at its latest
sale price on that exchange or quotation  service, prior to the time assets  are
valued;  if there were no  sales that day, the security  is valued at the latest
bid price (in cases where  a security is traded on  more than one exchange,  the
security  is valued on the exchange designated as the primary market pursuant to
pro-
 
                                       17
<PAGE>
cedures adopted by  the Trustees); and  (2) all other  portfolio securities  for
which over-the-counter market quotations are readily available are valued at the
latest  bid price. When  market quotations are  not readily available, including
circumstances under which it is determined  by the Investment Manager that  sale
and  bid  prices are  not  reflective of  a  security's market  value, portfolio
securities are valued  at their  fair value as  determined in  good faith  under
procedures  established by  and under  the general  supervision of  the Board of
Trustees. For valuation  purposes, quotations of  foreign portfolio  securities,
other  assets and liabilities  and forward contracts  stated in foreign currency
are translated into U.S. dollar equivalents at the prevailing market rates prior
to the close of the New York Stock Exchange. Dividends receivable are accrued as
of the ex-dividend date or as of the time that the relevant ex-dividend date and
amounts become known.
 
    Short-term debt securities with remaining  maturities of sixty days or  less
at  the  time of  purchase are  valued  at amortized  cost, unless  the Trustees
determine such does  not reflect  the securities'  market value,  in which  case
these  securities  will be  valued  at their  fair  value as  determined  by the
Trustees.
 
    Certain of  the Fund's  portfolio securities  may be  valued by  an  outside
pricing  service approved by the Fund's Trustees. The pricing service utilizes a
matrix system  incorporating  security  quality,  maturity  and  coupon  as  the
evaluation model parameters, and/or research evaluations by its staff, including
review of broker-dealer market price quotations, in determining what it believes
is  the  fair  valuation of  the  portfolio  securities valued  by  such pricing
service.
 
SHAREHOLDER SERVICES
- --------------------------------------------------------------------------------
 
    AUTOMATIC INVESTMENT OF DIVIDENDS AND  DISTRIBUTIONS.  All income  dividends
and  capital gains distributions  are automatically paid  in full and fractional
shares of the  Fund (or,  if specified by  the shareholder,  any other  open-end
investment   company  for  which  InterCapital   serves  as  investment  manager
(collectively, with the Fund, the "Dean Witter Funds")), unless the  shareholder
requests  that they be paid  in cash. Shares as acquired  are not subject to the
imposition of  a contingent  deferred sales  charge upon  their redemption  (see
"Redemptions and Repurchases").
 
    INVESTMENT OF DIVIDENDS AND DISTRIBUTIONS RECEIVED IN CASH.  Any shareholder
who   receives  a  cash  payment  representing   a  dividend  or  capital  gains
distribution may invest such dividend or distribution at the net asset value per
share next determined  after receipt  by the  Transfer Agent,  by returning  the
check or the proceeds to the Transfer Agent within thirty days after the payment
date.  Shares so  acquired are  not subject  to the  imposition of  a contingent
deferred sales charge upon their redemption (see "Redemptions and Repurchases").
 
    EASYINVEST-SM-.   Shareholders may  subscribe  to EasyInvest,  an  automatic
purchase  plan  which  provides  for  any  amount  from  $100  to  $5,000  to be
transferred automatically from a checking or savings account, on a semi-monthly,
monthly or quarterly basis,  to the Transfer Agent  for investment in shares  of
the Fund. (See also "Purchase of Fund Shares" and "Redemptions and Repurchases--
Involuntary Redemption").
 
    SYSTEMATIC  WITHDRAWAL PLAN.  A  systematic withdrawal plan (the "Withdrawal
Plan") is available  for shareholders  who own or  purchase shares  of the  Fund
having  a minimum value of $10,000 based  upon the then current net asset value.
The Withdrawal Plan provides  for monthly or  quarterly (March, June,  September
and  December) checks in any  dollar amount, not less than  $25, or in any whole
percentage of  the  account balance,  on  an annualized  basis.  Any  applicable
contingent  deferred sales charge  will be imposed on  shares redeemed under the
Withdrawal Plan  (see "Redemptions  and Repurchases--Contingent  Deferred  Sales
Charge"). Therefore, any share-
 
                                       18
<PAGE>
holder participating in the Withdrawal Plan will have sufficient shares redeemed
from  his or her account so that  the proceeds (net of any applicable contingent
deferred sales charge)  to the  shareholder will  be the  designated monthly  or
quarterly amount.
 
    Withdrawal  Plan payments should  not be considered  as dividends, yields or
income. If periodic withdrawal plan payments continuously exceed net  investment
income  and net  capital gains,  the shareholder's  original investment  will be
correspondingly reduced and ultimately exhausted.
 
    Shareholders should  contact  their  DWR  or  other  Selected  Broker-Dealer
account executive or the Transfer Agent for further information about any of the
above services.
 
    TAX-SHELTERED  RETIREMENT PLANS.  Retirement plans  are available for use by
corporations, the self-employed,  Individual Retirement  Accounts and  Custodial
Accounts  under Section 403(b)(7) of the Internal Revenue Code. Adoption of such
plans should be on advice of legal counsel or tax adviser.
 
    For further information  regarding plan administration,  custodial fees  and
other  details,  investors should  contact their  DWR  or other  Selected Dealer
account executive or the Transfer Agent.
 
EXCHANGE PRIVILEGE
 
    The Fund  makes  available  to  its  shareholders  an  "Exchange  Privilege"
allowing  the exchange  of shares of  the Fund  for shares of  other Dean Witter
Funds sold  with a  contingent deferred  sales charge  ("CDSC funds"),  and  for
shares  of Dean  Witter Short-Term U.S.  Treasury Trust,  Dean Witter Short-Term
Bond Fund, Dean Witter Limited Term Municipal Trust, Dean Witter Balanced Growth
Fund, Dean  Witter Balanced  Income  Fund, Dean  Witter Intermediate  Term  U.S.
Treasury  Trust and  five Dean  Witter Funds which  are money  market funds (the
foregoing eleven non-CDSC funds are hereinafter collectively referred to as  the
"Exchange  Funds"). Exchanges may be made after  the shares of the Fund acquired
by purchase (not by exchange or dividend reinvestment) have been held for thirty
days. There is no waiting period for exchanges of shares acquired by exchange or
dividend reinvestment.
 
    An exchange to another CDSC fund or to any Exchange Fund that is not a money
market fund is on the basis of the next calculated net asset value per share  of
each  fund after the  exchange order is  received. When exchanging  into a money
market fund from the Fund,  shares of the Fund are  redeemed out of the Fund  at
their  next calculated net  asset value and  the proceeds of  the redemption are
used to  purchase  shares of  the  money market  fund  at the  net  asset  value
determined  the following business day. Subsequent  exchanges between any of the
money market funds and any of the CDSC funds can be effected on the same  basis.
No  contingent deferred  sales charge  ("CDSC") is  imposed at  the time  of any
exchange, although any applicable CDSC will be imposed upon ultimate redemption.
Shares of the Fund acquired in exchange for shares of another CDSC fund having a
different CDSC schedule  than that  of this  Fund will  be subject  to the  CDSC
schedule  of this  Fund, even if  such shares are  subsequently re-exchanged for
shares of the  CDSC fund  originally purchased. During  the period  of time  the
shareholder  remains in the Exchange  Fund (calculated from the  last day of the
month in which the Exchange Fund shares were acquired), the holding period  (for
the  purpose of determining the rate of the CDSC) is frozen. If those shares are
subsequently  reexchanged  for  shares  of  a  CDSC  fund,  the  holding  period
previously  frozen when the first  exchange was made resumes  on the last day of
the month in which shares of a CDSC fund are reacquired. Thus, the CDSC is based
upon the time (calculated as described above) the shareholder was invested in  a
CDSC fund (see "Redemptions and Repurchases--Contingent Deferred Sales Charge").
However,  in  the  case  of  shares exchanged  into  an  Exchange  Fund,  upon a
redemption of shares which  results in a  CDSC being imposed,  a credit (not  to
exceed  the amount of the CDSC) will be given in an amount equal to the Exchange
Fund 12b-1 distribution fees incurred on
 
                                       19
<PAGE>
or after that date which are attributable to those shares. (Exchange Fund  12b-1
distribution fees are described in the prospectuses for those funds.)
 
    In  addition, shares of the  Fund may be acquired  in exchange for shares of
Dean Witter Funds sold  with a front-end sales  charge ("front-end sales  charge
funds"),  but shares  of the  Fund, however acquired,  may not  be exchanged for
shares of  front-end sales  charge funds.  Shares  of a  CDSC fund  acquired  in
exchange  for shares of a front-end sales charge fund (or in exchange for shares
of   other    Dean   Witter    Funds   for    which   shares    of   a    front-
end  sales charge  fund have been  exchanged) are  not subject to  any CDSC upon
their redemption.
 
    Purchases and  exchanges should  be  made for  investment purposes  only.  A
pattern  of frequent  exchanges may  be deemed by  the Investment  Manager to be
abusive and contrary to the best interests of the Fund's other shareholders and,
at the Investment Manager's discretion, may be limited by the Fund's refusal  to
accept  additional purchases and/  or exchanges from  the investor. Although the
Fund does not  have any  specific definition of  what constitutes  a pattern  of
frequent  exchanges,  and  will  consider all  relevant  factors  in determining
whether a particular situation is abusive and contrary to the best interests  of
the Fund and its other shareholders, investors should be aware that the Fund and
each  of the other Dean Witter Funds  may in their discretion limit or otherwise
restrict the number  of times this  Exchange Privilege may  be exercised by  any
investor.  Any such restriction will be made  by the Fund on a prospective basis
only, upon notice  of the  shareholder not later  than ten  days following  such
shareholder's  most  recent  exchange.  Also,  the  Exchange  Privilege  may  be
terminated or revised at  any time by  the Fund and/or any  of such Dean  Witter
Funds  for which shares of the Fund have been exchanged, upon such notice as may
be required by applicable  regulatory agencies. Shareholders maintaining  margin
accounts  with  DWR  or another  Selected  Broker-Dealer are  referred  to their
account executive  regarding restrictions  on  exchange of  shares of  the  Fund
pledged in the margin account.
 
    The  current prospectus for each  fund describes its investment objective(s)
and policies, and  shareholders should obtain  a copy and  examine it  carefully
before  investing. Exchanges are  subject to the  minimum investment requirement
and any other conditions imposed  by each fund. In  the case of any  shareholder
holding  a share certificate or certificates, no exchanges may be made until all
applicable share  certificates have  been  received by  the Transfer  Agent  and
deposited  in the Shareholder's account. An exchange will be treated for federal
income tax purposes the same as a  repurchase or redemption of shares, on  which
the  shareholder may  realize a  capital gain or  loss. However,  the ability to
deduct capital losses on an exchange may be limited in situations where there is
an exchange of  shares within ninety  days after the  shares are purchased.  The
Exchange  Privilege is only available in states where an exchange may legally be
made.
 
    If DWR or another Selected Broker-Dealer is the current dealer of record and
its account  numbers  are part  of  the account  information,  shareholders  may
initiate  an exchange of shares of the Fund for shares of any of the Dean Witter
Funds (for which the Exchange Privilege is available) pursuant to this  Exchange
Privilege   by  contacting  their  account   executive  (no  Exchange  Privilege
Authorization Form is required). Other shareholders (and those shareholders  who
are  clients  of DWR  or another  Selected  Broker-Dealer but  who wish  to make
exchanges directly by writing or  telephoning the Transfer Agent) must  complete
and  forward to  the Transfer  Agent an  Exchange Privilege  Authorization Form,
copies of  which  may  be obtained  from  the  Transfer Agent,  to  initiate  an
exchange. If the Authorization Form is used, exchanges may be made in writing or
by contacting the Transfer Agent at (800) 869-NEWS (toll free).
 
    The  Fund  will  employ  reasonable  procedures  to  confirm  that  exchange
instructions communicated over  the telephone are  genuine. Such procedures  may
include requiring various forms of personal identification such as name, mailing
address, social security or other tax identification number
 
                                       20
<PAGE>
and  DWR  or other  Selected Broker-Dealer  account  number (if  any). Telephone
instructions may also be recorded. If such procedures are not employed, the Fund
may be liable for any losses due to unauthorized or fraudulent instructions.
 
    Telephone exchange instructions will be accepted if received by the Transfer
Agent between 9:00 a.m. and  4:00 p.m., New York time,  on any day the New  York
Stock  Exchange is  open. Any  shareholder wishing to  make an  exchange who has
previously filed an Exchange Privilege Authorization  Form and who is unable  to
reach  the Fund  by telephone should  contact his  or her DWR  or other Selected
Broker-Dealer account  executive, if  appropriate, or  make a  written  exchange
request.  Shareholders are  advised that 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 experience with the Dean
Witter Funds in the past.
 
    Shareholders should  contact  their  DWR  or  other  Selected  Broker-Dealer
account  executive  or  the Transfer  Agent  for further  information  about the
Exchange Privilege.
 
REDEMPTIONS AND REPURCHASES
- --------------------------------------------------------------------------------
 
    REDEMPTION.  Shares of the Fund can be redeemed for cash at any time at  the
net asset value per share next determined; however, such redemption proceeds may
be  reduced by  the amount of  any applicable contingent  deferred sales charges
(see below).  If shares  are held  in a  shareholder's account  without a  share
certificate,  a written request for redemption sent to the Fund's Transfer Agent
at P.O. Box 983, Jersey City, NJ 07303 is required. If certificates are held  by
the  shareholder(s), the shares may be redeemed by surrendering the certificates
with a written  request for  redemption, along with  any additional  information
required by the Transfer Agent.
 
    CONTINGENT DEFERRED SALES CHARGE.  Shares of the Fund which are held for six
years or more after purchase (calculated from the last day of the month in which
the  shares were purchased) will  not be subject to  any charge upon redemption.
Shares redeemed sooner than six years after purchase may, however, be subject to
a charge upon  redemption. This charge  is called a  "contingent deferred  sales
charge"  ("CDSC"), which  will be  a percentage of  the dollar  amount of shares
redeemed and will be assessed  on an amount equal to  the lesser of the  current
market  value  or  the cost  of  the shares  being  redeemed. The  size  of this
percentage will depend upon how long the shares have been held, as set forth  in
the table below:
 
<TABLE>
<CAPTION>
                                       CONTINGENT DEFERRED
            YEAR SINCE                     SALES CHARGE
             PURCHASE                   AS A PERCENTAGE OF
           PAYMENT MADE                  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>
 
    A  CDSC will not be imposed on:  (i) any amount which represents an increase
in value of shares purchased within the six years preceding the redemption; (ii)
the current net asset value of shares purchased more than six years prior to the
redemption; and (iii) the  current net asset value  of shares purchased  through
reinvestment  of dividends or  distributions and/or shares  acquired in exchange
for shares of Dean Witter Funds sold  with a front-end sales charge or of  other
Dean Witter Funds acquired in exchange for such shares. Moreover, in determining
whether  a CDSC is applicable it will  be assumed that amounts described in (i),
(ii) and (iii) above (in that order) are redeemed first.
 
                                       21
<PAGE>
    In addition, the CDSC, if otherwise  applicable, will be waived in the  case
of:
 
    (1)  redemptions of shares  held at the  time a shareholder  dies or becomes
disabled, only  if the  shares are:  (a) registered  either in  the name  of  an
individual  shareholder (not a trust),  or in the names  of such shareholder and
his or her spouse as joint tenants with right of survivorship; or (b) held in  a
qualified  corporate  or  self-employed retirement  plan,  Individual Retirement
Account ("IRA") or  Custodial Account  under Section 403(b)(7)  of the  Internal
Revenue  Code ("403(b)  Custodial Account"),  provided in  either case  that the
redemption is requested within one year of the death or initial determination of
disability;
 
    (2)  redemptions   in  connection   with  the   following  retirement   plan
distributions: (a) 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);  (b)
distributions  from an IRA  or 403(b) Custodial  Account following attainment of
age 59 1/2; or (c) a tax-free return of an excess contribution to an IRA; and
 
    (3) all redemptions of  shares held for  the benefit of  a participant in  a
corporate or self-employed retirement plan qualified under Section 401(k) of the
Internal   Revenue  Code  which  offers  investment  companies  managed  by  the
Investment Manager  or its  subsidiary, Dean  Witter Services  Company Inc.,  as
self-directed  investment alternatives and for  which Dean Witter Trust Company,
an affiliate  of  the Investment  Manager,  serves as  recordkeeper  or  Trustee
("Eligible  401(k) Plan"), provided that either: (a) the plan continues to be an
Eligible 401(k)  Plan  after  the  redemption;  or  (b)  the  redemption  is  in
connection  with the complete termination of the plan involving the distribution
of all plan assets to participants.
 
    With reference to (1) above, for the purpose of determining disability,  the
Distributor  utilizes the definition of disability contained in Section 72(m)(7)
of the  Internal Revenue  Code, which  relates  to the  inability to  engage  in
gainful  employment. With reference  to (2) above,  the term "distribution" does
not encompass a direct transfer of  IRA, 403(b) Custodial Account or  retirement
plan  assets to a  successor custodian or  trustee. All waivers  will be granted
only following receipt by the  Distributor of confirmation of the  shareholder's
entitlement.
 
    REPURCHASE.    DWR  and  other  Selected  Broker-Dealers  are  authorized to
repurchase shares represented by a share  certificate which is delivered to  any
of  their  offices.  Shares held  in  a  shareholder's account  without  a share
certificate may also  be repurchased  by DWR and  other Selected  Broker-Dealers
upon  the telephonic or  telegraphic request of  the shareholder. The repurchase
price is the net asset value next computed (see "Purchase of Fund Shares") after
such repurchase  order  is received  by  DWR or  other  Selected  Broker-Dealer,
reduced by any applicable CDSC.
 
    The  CDSC, if  any, will  be the only  fee imposed  by either  the Fund, the
Distributor or DWR or other Selected  Broker-Dealer. The offer by DWR and  other
Selected  Broker-Dealers to repurchase shares may be suspended without notice by
the Distributor at any time. In that event, shareholders may redeem their shares
through the Fund's Transfer Agent as set forth above under "Redemption."
 
    PAYMENT FOR SHARES REDEEMED  OR REPURCHASED.   Payment for shares  presented
for  repurchase or  redemption will  be made  by check  within seven  days after
receipt by the Transfer Agent of the certificate and/or written request in  good
order.  Such payment may be postponed or the right of redemption suspended under
unusual circumstances; e.g., when normal trading is not taking place on the  New
York  Stock Exchange. If the shares to  be redeemed have recently been purchased
by check, payment of the redemption proceeds may be delayed for the minimum time
needed to verify that the check used  for investment has been honored (not  more
than  fifteen  days  from the  time  of receipt  of  the check  by  the Transfer
 
                                       22
<PAGE>
Agent). Shareholders maintaining  margin accounts with  DWR or another  Selected
Broker-Dealer  are referred to their account executive regarding restrictions on
redemption of shares of the Fund pledged in the margin account.
 
    REINSTATEMENT PRIVILEGE.   A  shareholder  who has  had  his or  her  shares
redeemed  or  repurchased and  has not  previously exercised  this reinstatement
privilege  may,  within  thirty  days  after  the  date  of  the  redemption  or
repurchase,  reinstate any portion or all of  the proceeds of such redemption or
repurchase in shares of the Fund at their net asset value next determined  after
a reinstatement request, together with the proceeds, is received by the Transfer
Agent  and receive a pro-rata  credit for any CDSC  paid in connection with such
redemption or repurchase.
 
    INVOLUNTARY REDEMPTION.   The Fund reserves  the right to  redeem, on  sixty
days'  notice and at net asset value,  the shares of any shareholder (other than
shares held  in an  Individual  Retirement Account  or Custodial  Account  under
Section  403(b)(7) of the Internal Revenue Code) whose shares due to redemptions
by the shareholder have a value of less  than $100 or such lesser amount as  may
be  fixed  by  the  Trustees  or,  in the  case  of  an  account  opened through
EasyInvest-SM-, if after twelve  months the shareholder  has invested less  than
$1,000  in the account. However,  before the Fund redeems  such shares and sends
the proceeds to the shareholder, it  will notify the shareholder that the  value
of the shares is less than the applicable amount and allow him or her sixty days
to  make an additional investment in an  amount which will increase the value of
his or her account to  at least the applicable  amount before the redemption  is
processed. No CDSC will be imposed on any involuntary redemption.
 
DIVIDENDS, DISTRIBUTIONS AND TAXES
- --------------------------------------------------------------------------------
 
    DIVIDENDS  AND  DISTRIBUTIONS.   The Fund  intends to  pay dividends  and to
distribute substantially all of its net investment income and distribute capital
gains, if  any, once  each year.  The  Fund may,  however, determine  either  to
distribute  or to retain all or part of  any long-term capital gains in any year
for reinvestment.
 
    All dividends and any capital gains distributions will be paid in additional
Fund shares  and automatically  credited to  the shareholder's  account  without
issuance  of a share certificate unless the shareholder requests in writing that
all  dividends  and/or   distributions  be  paid   in  cash  (see   "Shareholder
Services--Automatic Investment of Dividends and Distributions").
 
    TAXES.   Because the  Fund intends to  distribute all of  its net investment
income and net short-term capital gains to shareholders and otherwise qualify as
a regulated investment company under Subchapter M of the Internal Revenue  Code,
it  is not expected that the Fund will be required to pay any Federal income tax
on any such  income and capital  gains. Shareholders will  normally have to  pay
Federal income taxes, and any state and local income taxes, on the dividends and
distributions they receive from the Fund.
 
    Distributions  of net investment income and net short-term capital gains are
taxable to the shareholder as ordinary dividend income regardless of whether the
shareholder receives such distributions  in additional shares  or in cash.  Some
part  of  such  dividends and  distributions  may  be eligible  for  the Federal
dividends received deduction available to the Fund's corporate shareholders.
 
    Distributions of  net  long-term  capital  gains, if  any,  are  taxable  to
shareholders as long-term capital gains regardless of how long a shareholder has
held the Fund's shares and regardless of whether the distribution is received in
additional  shares or in cash. Capital  gains distributions are not eligible for
the dividends received deduction.
 
                                       23
<PAGE>
    After the  end  of  the  calendar  year,  shareholders  will  be  sent  full
information on their dividends and capital gains distributions for tax purposes.
To  avoid  being subject  to a  31%  Federal backup  withholding tax  on taxable
dividends, capital  gains  distributions and  the  proceeds of  redemptions  and
repurchases, shareholders' taxpayer identification numbers must be furnished and
certified as to their accuracy.
 
    Dividends,  interest  and  gains  received  by the  Fund  may  give  rise to
withholding and other taxes  imposed by foreign countries.  If it qualifies  for
and  makes the appropriate election with  the Internal Revenue Service, the Fund
will report annually to its shareholders the  amount per share of such taxes  to
enable  shareholders to  claim United States  foreign tax  credits or deductions
with respect to such taxes. In the  absence of such an election, the Fund  would
deduct foreign tax in computing the amount of its distributable income.
 
    Shareholders  should consult their  tax advisers as  to the applicability of
the foregoing to their current situation.
 
PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------
 
    From time to time  the Fund may quote  its "total return" in  advertisements
and  sales  literature. The  total return  of  the Fund  is based  on historical
earnings and is not intended to indicate future performance.
 
    The "average annual total return" of the Fund refers to a figure  reflecting
the  average annualized  percentage increase  (or decrease)  in the  value of an
initial investment in the Fund  of $1,000 over a period  of one year as well  as
over  the life  of the  Fund. Average  annual total  return reflects  all income
earned by the Fund, any appreciation  or depreciation of the Fund's assets,  all
expenses  incurred by the  Fund and all sales  charges incurred by shareholders,
for the  stated periods.  It  also assumes  reinvestment  of all  dividends  and
distributions paid by the Fund.
 
    In  addition to the foregoing, the Fund  may advertise its total return over
different periods of time  by means of aggregate,  average, and year-by-year  or
other  types of total return figures. The  Fund may also advertise the growth of
hypothetical investments of $10,000, $50,000 and $100,000 in shares of the Fund.
Such calculations  may  or may  not  reflect  the deduction  of  the  contingent
deferred  sales charge which, if reflected, would reduce the performance quoted.
The Fund  from time  to time  may  also advertise  its performance  relative  to
certain  performance rankings and indexes compiled by independent organizations,
such as mutual fund performance rankings of Lipper Analytical Services, Inc.
 
ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------
 
    VOTING RIGHTS.  All shares of beneficial  interest of the Fund are of  $0.01
par  value and are equal as to earnings, assets and voting privileges. There are
no conversion,  pre-emptive or  other subscription  rights. In  the event  of  a
liquidation,  each share of beneficial  interest of the Fund  is entitled to its
portion of all the Fund's  assets after all debts  and expenses have been  paid.
The shares do not have cumulative voting rights.
 
    The  Fund is not  required to hold  Annual Meetings of  Shareholders and, in
ordinary circumstances, the  Fund does  not intend  to hold  such meetings.  The
Trustees  may call  Special Meetings of  Shareholders for  action by shareholder
vote as may be required  by the Act or the  Declaration of Trust. Under  certain
circumstances  the Trustees may be  removed by action of  the Trustees or by the
shareholders.
 
                                       24
<PAGE>
    Under Massachusetts law, shareholders of a business trust may, under certain
circumstances, be  held personally  liable as  partners for  obligations of  the
Fund.  However,  the  Declaration of  Trust  contains an  express  disclaimer of
shareholder liability for acts  or obligations of the  Fund, requires that  Fund
obligations  include  such  disclaimer,  and  provides  for  indemnification and
reimbursement of expenses out  of the Fund's property  for any shareholder  held
personally  liable  for  the  obligations  of the  Fund.  Thus,  the  risk  of a
shareholder incurring  financial loss  on account  of shareholder  liability  is
limited  to circumstances in which  the Fund itself would  be unable to meet its
obligations. Given the above limitations on shareholder personal liability,  and
the  nature of the Fund's assets and operations, in the opinion of Massachusetts
counsel to the Fund, the risk to shareholders of personal liability is remote.
 
    CODE OF  ETHICS.    Directors,  officers and  employees  of  the  Investment
Manager,  Dean Witter Services Company Inc. and the Distributor are subject to a
strict Code of Ethics adopted by those companies. The Code of Ethics is intended
to ensure that the interests of shareholders and other clients are placed  ahead
of  any personal  interest, that  no undue personal  benefit is  obtained from a
person's employment  activities  and  that actual  and  potential  conflicts  of
interest  are  avoided.  To  achieve  these  goals  and  comply  with regulatory
requirements, the Code  of Ethics  requires, among other  things, that  personal
securities  transactions by employees of the  companies be subject to an advance
clearance process to monitor  that no Dean  Witter Fund is  engaged at the  same
time  in a purchase  or sale of the  same security. The Code  of Ethics bans the
purchase of  securities  in  an  initial public  offering,  and  also  prohibits
engaging in futures and options transactions and profiting on short-term trading
(that  is, a purchase within sixty days of a sale or a sale within sixty days of
a purchase) of a security. In addition, investment personnel may not purchase or
sell a security for  their personal account within  thirty days before or  after
any  transaction in any Dean Witter Fund  managed by them. Any violations of the
Code of  Ethics  are subject  to  sanctions, including  reprimand,  demotion  or
suspension  or  termination  of employment.  The  Code of  Ethics  comports with
regulatory requirements  and  the recommendations  in  the 1994  report  by  the
Investment Company Institute Advisory Group on Personal Investing.
 
    The  Fund's  Sub-Adviser  also has  a  Code  of Ethics  which  complies with
regulatory requirements and, insofar  as it relates  to persons associated  with
the  Fund, the 1994 report by the Investment Company Institute Advisory Group on
Personal Investing.
 
    SHAREHOLDER INQUIRIES.  All inquiries regarding the Fund should be  directed
to  the Fund at the telephone numbers or address set forth on the front cover of
this Prospectus.
 
                                       25
<PAGE>
                        THE DEAN WITTER FAMILY OF FUNDS
 
MONEY MARKET FUNDS                       DEAN WITTER RETIREMENT SERIES
Dean Witter Liquid Asset Fund Inc.       Liquid Asset Series
Dean Witter U.S. Government Money        U.S. Government Money Market Series
Market Trust                             U.S. Government Securities Series
Dean Witter Tax-Free Daily Income Trust  Intermediate Income Securities Series
Dean Witter California Tax-Free Daily    American Value Series
Income Trust                             Capital Growth Series
Dean Witter New York Municipal Money     Dividend Growth Series
Market Trust                             Stategist Series
EQUITY FUNDS                             Utilities Series
Dean Witter American Value Fund          Value-Added Market Series
Dean Witter Natural Resource             Global Equity Series
Development Securities Inc.              ASSET ALLOCATION FUNDS
Dean Witter Dividend Growth Securities   Dean Witter Strategist Fund
Inc.                                     Dean Witter Global Asset Allocation
Dean Witter Developing Growth            Fund
Securities Trust                         ACTIVE ASSETS ACCOUNT PROGRAM
Dean Witter World Wide Investment Trust  Active Assets Money Trust
Dean Witter Value-Added Market Series    Active Assets Tax-Free Trust
Dean Witter Utilities Fund               Active Assets California Tax-Free Trust
Dean Witter Capital Growth Securities    Active Assets Government Securities
Dean Witter European Growth Fund Inc.    Trust
Dean Witter Precious Metals and
Minerals Trust
Dean Witter Pacific Growth Fund Inc.
Dean Witter Health Sciences Trust
Dean Witter Global Dividend Growth
Securities
Dean Witter Global Utilities Fund
Dean Witter International SmallCap Fund
Dean Witter Mid-Cap Growth Fund
Dean Witter Balanced Growth Fund
Dean Witter Capital Appreciation Fund
Dean Witter Information Fund
FIXED-INCOME FUNDS
Dean Witter High Yield Securities Inc.
Dean Witter Tax-Exempt Securities Trust
Dean Witter U.S. Government Securities
Trust
Dean Witter Intermediate Term U.S.
Treasury Trust
Dean Witter Federal Securities Trust
Dean Witter Convertible Securities
Trust
Dean Witter California Tax-Free Income
Fund
Dean Witter New York Tax-Free Income
Fund
Dean Witter World Wide Income Trust
Dean Witter Intermediate Income
Securities
Dean Witter Global Short-Term Income
Fund Inc.
Dean Witter Multi-State Municipal
Series Trust
Dean Witter Premier Income Trust
Dean Witter Short-Term U.S. Treasury
Trust
Dean Witter Diversified Income Trust
Dean Witter Limited Term Municipal
Trust
Dean Witter Short-Term Bond Fund
Dean Witter National Municipal Trust
Dean Witter High Income Securities
Dean Witter Balanced Income Fund
Dean Witter Hawaii Municipal Trust
 
<PAGE>
 
Dean Witter
Japan Fund
                                    Dean Witter
Two World Trade Center
New York, New York 10048
(212) 392-2550                      Japan Fund
TRUSTEES
Michael Bozic
Charles A. Fiumefreddo
Edwin J. Garn
John R. Haire
Dr. Manuel H. Johnson
Paul Kolton
Michael E. Nugent
Philip J. Purcell
John L. Schroeder
OFFICERS
Charles A. Fiumefreddo
Chairman and Chief Executive
Officer
Sheldon Curtis
Vice President, Secretary and
General Counsel
Thomas F. Caloia
Treasurer
CUSTODIAN
The Chase Manhattan Bank N.A.
One Chase Plaza
New York, NY 10005
TRANSFER AGENT AND DIVIDEND
DISBURSING AGENT
Dean Witter Trust Company
Harborside Financial Center
Plaza Two
Jersey City, New Jersey 07311
INDEPENDENT ACCOUNTANTS
Price Waterhouse LLP
1177 Avenue of the Americas
New York, New York 10036
INVESTMENT MANAGER
Dean Witter InterCapital Inc.
SUB-ADVISER
Morgan Grenfell Investment Services
Limited
                                            PROSPECTUS -- MARCH 6, 1996


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