DEAN WITTER SHORT-TERM BOND FUND
485BPOS, 1997-07-10
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<PAGE>
   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 10, 1997
    
 
                                                     REGISTRATION NOS.: 33-50857
                                                                        811-7117
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                ----------------
 
                                   FORM N-1A
 
                             REGISTRATION STATEMENT
 
                       UNDER THE SECURITIES ACT OF 1933                      /X/
 
                        PRE-EFFECTIVE AMENDMENT NO.                          / /
 
   
                        POST-EFFECTIVE AMENDMENT NO. 4                       /X/
    
 
                                     AND/OR
 
              REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY
 
                                  ACT OF 1940                                /X/
 
   
                               AMENDMENT NO. 5                               /X/
    
                              -------------------
 
                        DEAN WITTER SHORT-TERM BOND FUND
 
                        (A MASSACHUSETTS BUSINESS TRUST)
 
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
                             TWO WORLD TRADE CENTER
                            NEW YORK, NEW YORK 10048
 
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE)
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (212) 392-1600
 
   
                                BARRY FINK, ESQ.
    
                             TWO WORLD TRADE CENTER
                            NEW YORK, NEW YORK 10048
                    (NAME AND ADDRESS OF AGENT FOR SERVICE)
 
                                    COPY TO:
                            DAVID M. BUTOWSKY, ESQ.
                  GORDON ALTMAN BUTOWSKY WEITZEN SHALOV & WEIN
                              114 WEST 47TH STREET
                            NEW YORK, NEW YORK 10036
                              -------------------
 
   APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING: As soon as practicable after
                the effective date of the registration statement
                              -------------------
 
 IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE (CHECK APPROPRIATE BOX)
 
   
<TABLE>
<S>            <C>
         X
        ---    immediately upon filing pursuant to paragraph (b)
        ---    on (date) pursuant to paragraph (b)
        ---    60 days after filing pursuant to paragraph (a)
        ---    on (date) pursuant to paragraph (a) of rule 485
</TABLE>
    
 
   
    THE REGISTRANT HAS REGISTERED AN INDEFINITE NUMBER OF ITS SHARES UNDER THE
SECURITIES ACT OF 1933 PURSUANT TO SECTION (a)(1) OF RULE 24f-2 UNDER THE
INVESTMENT COMPANY ACT OF 1940. THE REGISTRANT FILED A RULE 24f-2 NOTICE FOR ITS
FISCAL YEAR ENDING APRIL 30, 1997 WITH THE SECURITIES AND EXCHANGE COMMISSION ON
JUNE 2, 1997.
    
 
            -------------------------------------------------------
            -------------------------------------------------------
<PAGE>
                        DEAN WITTER SHORT-TERM BOND FUND
 
                             CROSS-REFERENCE SHEET
 
                                   FORM N-1A
 
<TABLE>
<CAPTION>
ITEM                                                                           CAPTION
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<S>                                             <C>
PART A                                                                       PROSPECTUS
 1.  .........................................  Cover Page
 2.  .........................................  Summary of Fund Expenses; Prospectus Summary
 3.  .........................................  Performance Information; Financial Highlights
 4.  .........................................  Investment Objective and Policies; The Fund and its Management; Cover
                                                 Page; Investment Restrictions; Prospectus Summary
 5.  .........................................  The Fund and Its Management; Back Cover; Investment Objective and
                                                 Policies
 6.  .........................................  Dividends, Distributions and Taxes; Additional Information
 7.  .........................................  Purchase of Fund Shares; Shareholder Services; Redemptions and
                                                 Repurchases
 8.  .........................................  Redemptions and Repurchases; Shareholder Service;
 9.  .........................................  Not Applicable
 
PART B                                                           STATEMENT OF ADDITIONAL INFORMATION
10.  .........................................  Cover Page
11.  .........................................  Table of Contents
12.  .........................................  The Fund and Its Management
13.  .........................................  Investment Practices and Policies; Investment Restrictions; Portfolio
                                                 Transactions and Brokerage
14.  .........................................  The Fund and Its Management; Trustees and Officers
15.  .........................................  Trustees and Officers
16.  .........................................  The Fund and Its Management; Purchase of Fund Shares; Custodian and
                                                 Transfer Agent; Independent Accountant;
17.  .........................................  Portfolio Transactions and Brokerage
18.  .........................................  Description of Shares; Validity of Shares of Beneficial Interest
19.  .........................................  Repurchase of Fund Shares; Redemptions and Repurchases; Shareholder
                                                 Services
20.  .........................................  Dividends, Distributions and Taxes
21.  .........................................  Purchase of Fund Shares
22.  .........................................  Dividends, Distributions and Taxes
23.  .........................................  Performance Information
</TABLE>
 
PART C
 
    Information required to be included in Part C is set forth under the
appropriate item, so numbered, in Part C of this Registration Statement.
<PAGE>
              PROSPECTUS
   
              JULY 10, 1997
    
 
              Dean Witter Short-Term Bond Fund (the "Fund") is a no-load,
open-end diversified management investment company whose investment objective is
to provide a high level of current income consistent with the preservation of
capital. The Fund seeks to achieve its objective by investing in a diversified
portfolio of short-term fixed-income securities with a dollar-weighted average
portfolio maturity of less than three years. (See "Investment Objective and
Policies.")
 
               Shares of the Fund are sold and redeemed at net asset value
without the imposition of a sales charge. In accordance with a Plan of
Distribution pursuant to Rule 12b-1 under the Investment Company Act of 1940
with Dean Witter Distributors Inc. (the "Distributor"), the Fund authorizes the
Distributor or any of its affiliates, including Dean Witter InterCapital Inc.,
to make payments, out of their own resources, for specific expenses incurred in
promoting the distribution of the Fund's shares.
 
   
               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 July 10, 1997, 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
    Short-Term Bond Fund
    Two World Trade Center
    New York, New York 10048
    (212) 392-2550 or
    (800) 869-NEWS (toll-free)
    
 
    TABLE OF CONTENTS
 
Prospectus Summary/2
Summary of Fund Expenses/3
Financial Highlights/4
The Fund and its Management/5
Investment Objective and Policies/5
  Risks and Portfolio Characteristics/7
Investment Restrictions/15
Purchase of Fund Shares/16
   
Shareholder Services/18
    
Redemptions and Repurchases/20
   
Dividends, Distributions and Taxes/22
    
   
Performance Information/23
    
Additional Information/23
 
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 DISTRIBUTORS INC.,
     DISTRIBUTOR
<PAGE>
PROSPECTUS SUMMARY
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<TABLE>
<S>                 <C>
The                 The Fund is organized as a Trust, commonly known as a Massachusetts business trust, and is a no-load, open-end,
Fund                diversified management investment company investing in a diversified portfolio of short-term fixed-income
                    securities with a dollar-weighted average portfolio maturity of less than three years.
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Shares              Shares of beneficial interest with $0.01 par value (see page 23).
Offered
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Offering            The price of the shares offered by this Prospectus is determined once daily as of 4:00 p.m., New York time, on
Price               each day that the New York Stock Exchange is open, and is equal to the net asset value per share without a sales
                    charge (see page 16).
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Minimum             Minimum initial purchase, $1,000 ($100 if the account is opened through EasyInvest-SM-); minimum subsequent
Purchase            investments, $100 (see page 16).
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Investment          The investment objective of the Fund is to provide investors with a high level of current income, consistent
Objective           with the preservation of capital.
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Investment          Dean Witter InterCapital Inc. ("InterCapital"), the Investment Manager of the Fund, and its wholly-owned
Manager             subsidiary, Dean Witter Services Company Inc., serve in various investment management, advisory, management and
                    administrative capacities to 100 investment companies and other portfolios with assets of approximately $95.6
                    billion at May 31, 1997 (see page 5).
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Management          The Investment Manager receives a monthly fee at the annual rate of 0.70% of the average daily net assets (see
Fee                 page 5).
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Dividends and       Dividends are declared daily and are payable monthly. Capital gains distributions, if any, are paid at least
Capital Gains       once a year or are retained for reinvestment by the Fund. Dividends and distributions are automatically invested
Distributions       in additional shares at net asset value unless the shareholder elects to receive cash (see page 22).
- ------------------------------------------------------------------------------------------------------------------------------------
Distributor         Dean Witter Distributors Inc. (the "Distributor") sells shares of the Fund through Dean Witter Reynolds Inc.
and Plan of         ("DWR") and other selected broker-dealers. The Distributor has entered into a Plan of Distribution pursuant to
Distribution        Rule 12b-1 under the Investment Company Act of 1940, as amended, (the "Act") with the Fund authorizing the
                    Distributor or any of its affiliates, including the Investment Manager, to make payments, out of their own
                    resources, for expenses incurred in connection with the promotion or distribution of the Fund's shares (see page
                    16).
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Redemption          Shares are redeemable at net asset value. An account may be involuntarily redeemed if total value of the account
                    is less than $100 or, if the account was opened through EasyInvest-SM-, if after twelve months the shareholder
                    has invested less than $1,000 in the account (see page 20).
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Shareholder         Automatic Investment of Dividends and Distributions; Investment of Distributions Received in Cash; Exchange
Services            Privilege; Systematic Withdrawal Plan; EasyInvest-SM-; Tax-Sheltered Retirement Plans (see pages 18-20).
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Risks               The prices of interest-bearing securities are, generally, inversely affected by changes in interest rates and,
                    therefore, are subject to the risk of market price fluctuations. The values of fixed-income securities also may
                    be affected by changes in the credit rating or financial condition of the issuing entities. Mortgage-backed
                    securities are subject to prepayments or refinancings of the mortgage pools underlying such securities which may
                    have an impact upon the yield and the net asset value of the Fund's shares. Certain of the mortgage-backed
                    securities in which the Fund may invest have higher yields than traditional mortgage-backed securities and will
                    have concomitant greater price volatility. Asset-backed securities involve risks resulting mainly from the fact
                    that such securities do not usually contain the complete benefit of a security interest in the related
                    collateral. Certain of the high yield, high risk fixed-income securities in which the Fund may invest are
                    subject to greater risk of loss of income and principal than the higher rated lower yielding fixed-income
                    securities. The foreign securities and markets in which the Fund will invest pose different and generally
                    greater risks than those risks customarily associated with domestic securities and markets including
                    fluctuations in foreign currency exchange rates, foreign tax rates and foreign exchange controls. (see pages
                    7-15).
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</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. The expenses and fees set forth in the table are for the
fiscal year ended April 30, 1997.
    
 
   
<TABLE>
<S>                                                                                     <C>
SHAREHOLDER TRANSACTION EXPENSES
- --------------------------------------------------------------------------------------
Maximum Sales Charge Imposed on Purchases.............................................  None
Maximum Sales Charge Imposed on Reinvested Dividends..................................  None
Deferred Sales Charge.................................................................  None
Redemption Fees.......................................................................  None
Exchange Fee..........................................................................  None
ANNUAL FUND OPERATING EXPENSES (AS A PERCENTAGE OF AVERAGE NET ASSETS)
- --------------------------------------------------------------------------------------
Management Fees*......................................................................  0.23%
12b-1 Fees............................................................................  None
Other Expenses*.......................................................................  0.25%
Total Fund Operating Expenses*........................................................  0.48%
</TABLE>
    
 
- ------------
   
* MANAGEMENT FEES AND OTHER EXPENSES ARE RESTATED TO REFLECT THE EXPENSE
  REIMBURSEMENT AND FEE WAIVERS CURRENTLY IN EFFECT. FOR THE PERIOD JANUARY 1,
  1996 THROUGH DECEMBER 31, 1996, THE INVESTMENT MANAGER WAIVED ITS FEE AND
  REIMBURSED EXPENSES TO THE EXTENT THEY EXCEEDED 1.0% OF DAILY NET ASSETS. FOR
  THE PERIOD JANUARY 1, 1997 THROUGH DECEMBER 31, 1997, THE INVESTMENT MANAGER
  IS WAIVING ITS COMPENSATION AND ASSUMING ALL OPERATING EXPENSES (EXCEPT FOR
  BROKERAGE FEES) WITHOUT LIMITATION. ACTUAL MANAGEMENT FEES AND OTHER EXPENSES
  FOR THE FISCAL YEAR ENDED APRIL 30, 1997, TAKING THE WAIVER OF FEES AND
  ASSUMPTION OF EXPENSES INTO EFFECT, WERE 0.34% AND 0.30%, RESPECTIVELY.
  WITHOUT THE WAIVER OF FEES AND ASSUMPTION OF EXPENSES, MANAGEMENT FEES AND
  OTHER EXPENSES WOULD HAVE BEEN 0.70% AND 0.60%, RESPECTIVELY.
    
 
   
<TABLE>
<CAPTION>
                                                                         10
EXAMPLE                                   1 YEAR   3 YEARS   5 YEARS    YEARS
- ---------------------------------------   ------   -------   -------   -------
<S>                                       <C>      <C>       <C>       <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:.........   $   5    $   15    $   27    $   60
</TABLE>
    
 
    THE ABOVE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR
FUTURE EXPENSES OR PERFORMANCE. ACTUAL EXPENSES OF THE FUND MAY BE MORE 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" and "Redemptions and Repurchases."
 
                                       3
<PAGE>
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
 
    The following ratios and per share data for a share of beneficial interest
outstanding throughout each period have been audited by Price Waterhouse LLP,
independent accountants. The financial highlights should be read in conjunction
with the financial statements and notes thereto and the report of independent
accountants which are contained in the Statement of Additional Information.
Further information about the performance of the Fund is contained in the Fund's
Annual Report to Shareholders, which may be obtained without charge upon request
to the Fund.
 
   
<TABLE>
<CAPTION>
                                                                                   FOR THE PERIOD
                                           FOR THE YEAR ENDED APRIL 30,           JANUARY 10, 1994*
                                     ----------------------------------------          THROUGH
                                        1997           1996           1995         APRIL 30, 1994
                                     ----------     ----------     ----------     -----------------
<S>                                  <C>            <C>            <C>            <C>
PER SHARE OPERATING PERFORMANCE:
  Net asset value, beginning of
   period..........................       $9.54          $9.46          $9.62           $10.00
                                     ----------     ----------     ----------         --------
  Net investment income............        0.61           0.63           0.77             0.21
  Net realized and unrealized gain
   (loss)..........................       (0.06)          0.05          (0.33)           (0.40)
                                     ----------     ----------     ----------         --------
  Total from investment
   operations......................        0.55           0.68           0.44            (0.19)
                                     ----------     ----------     ----------         --------
  Less dividends and distributions
   from:
    Net investment income..........       (0.59)         (0.45)         (0.59)           (0.19)
    Paid-in-capital................      --              (0.15)         (0.01)         --
                                     ----------     ----------     ----------         --------
  Total dividends and
   distributions...................       (0.59)         (0.60)         (0.60)           (0.19)
                                     ----------     ----------     ----------         --------
  Net asset value, end of period...       $9.50          $9.54          $9.46            $9.62
                                     ----------     ----------     ----------         --------
                                     ----------     ----------     ----------         --------
TOTAL INVESTMENT RETURN............       5.88%          7.33%          4.76%            (2.01)%(1)
RATIOS TO AVERAGE NET ASSETS:
  Expenses.........................       0.64%(3)       0.37%(3)         --%(3)           --%(2)(3)
  Net investment income............       6.25%(3)       6.54%(3)       7.64%(3)         6.36%(2)(3)
SUPPLEMENTAL DATA:
  Net assets, end of period, in
   thousands.......................  $   42,252     $   33,178     $   29,818          $43,403
  Portfolio turnover rate..........         67%            64%            74%               9%(1)
</TABLE>
    
 
- ---------------
 
   
 * COMMENCEMENT OF OPERATIONS.
(1) NOT ANNUALIZED.
(2) ANNUALIZED.
(3) IF THE FUND HAD BORNE ALL EXPENSES THAT WERE ASSUMED OR WAIVED BY THE
   INVESTMENT MANAGER, THE ANNUALIZED EXPENSE AND NET INVESTMENT INCOME RATIOS
   WOULD HAVE BEEN 1.55% AND 4.81%, RESPECTIVELY, FOR THE PERIOD ENDED APRIL
   30, 1994, 1.08% AND 6.56%, RESPECTIVELY, FOR THE YEAR ENDED APRIL 30, 1995,
   1.29% AND 5.61%, RESPECTIVELY, FOR THE YEAR ENDED APRIL 30, 1996 AND 1.30%
   AND 5.59%, RESPECTIVELY, FOR THE YEAR ENDED APRIL 30, 1997.
 
    
 
                                       4
<PAGE>
THE FUND AND ITS MANAGEMENT
- --------------------------------------------------------------------------------
 
    Dean Witter Short-Term Bond Fund (the "Fund") is a no-load, open-end
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 October 22, 1993.
 
   
    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 Morgan Stanley, Dean Witter, Discover &
Co., a preeminent global financial services firm that maintains leading market
positions in each of its three primary businesses -- securities, asset
management and credit services.
    
 
   
    InterCapital and its wholly-owned subsidiary, Dean Witter Services Company
Inc., serve in various investment management, advisory, management and
administrative capacities to 100 investment companies, thirty of which are
listed on the New York Stock Exchange, with combined assets of approximately
$92.3 billion at May 31, 1997. The Investment Manager also manages portfolios of
pension plans, other institutions and individuals which aggregated approximately
$3.3 billion at such date.
    
 
    The Fund has retained the Investment Manager, pursuant to an Investment
Management Agreement, to provide administrative services, manage its business
affairs and manage the investment of the Fund's assets, including the placing of
orders for the purchase and sale of portfolio securities. InterCapital has
retained Dean Witter Services Company Inc. to perform the aforementioned
administrative services to the Fund.
 
    The Fund's Board of Trustees reviews the various services provided by the
Investment Manager 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.
 
   
    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
following annual rate of 0.70% to the Fund's net assets determined as of the
close of each business day. The Investment Manager had undertaken from January
1, 1996 through December 31, 1996 to assume all operating expenses (except for
any brokerage fees) and to waive compensation to the extent such expenses and
compensation exceed on an annualized basis 1.0% of the Fund's daily net assets.
The Investment Manager has undertaken from January 1, 1997 through December 31,
1997 to assume all operating expenses (except for any brokerage fees) and to
waive its compensation without limitation. For the fiscal year ended April 30,
1997, the Fund accrued total compensation to the Investment Manager of 0.70% of
the Fund's average daily net assets and the Fund's total expenses amounted to an
annual rate of 1.40% of the Fund's average daily net assets exclusive of any
waivers.
    
 
INVESTMENT OBJECTIVE AND POLICIES
- --------------------------------------------------------------------------------
 
    The investment objective of the Fund is to provide investors with a high
level of current income, consistent with the preservation of capital. This
investment objective is a fundamental policy of the Fund and, as such, may not
be altered without the approval of the shareholders of the Fund. There is no
assurance that the Fund will achieve its investment objective.
 
    The Fund seeks to achieve its investment objective by investing in
short-term, fixed-income securities with a dollar-weighted average portfolio
maturity of less than three years. The Fund may invest in nominally longer-term
securities that have many of the characteristics of shorter-term securities
which will be deemed to have maturities earlier than their ultimate maturity
dates (E.G., securities
 
                                       5
<PAGE>
with demand features). A substantial portion of the Fund's portfolio will
consist of fixed-income securities issued by U.S. corporate issuers and by the
U.S. Government, its agencies and instrumentalities.
 
    Under normal market conditions, at least 65% of the Fund's total assets will
be invested in bonds (for purposes of this provision, debt securities, which had
at time of issuance a maturity of greater than one year, are defined as
"bonds"). Furthermore, a portion of the Fund's portfolio (up to 25% of the
Fund's total assets) may be invested in fixed-income securities issued by
foreign corporate and government issuers.
 
    The Fund is designed for the investor who seeks a higher yield than a money
market fund and less fluctuation in net asset value than a longer-term bond
fund. In addition, while an investment in the Fund is not federally insured and
there is no guarantee of price stability (the Fund is not a money market fund
with a virtually constant net asset value per share), an investment in the Fund
- -- unlike a certificate of deposit ("CD") -- is not frozen for any specific
period of time, may be redeemed at any time without incurring early withdrawal
penalties, and may also provide a higher yield.
 
    The non-governmental debt securities in which the Fund will invest will
include: (a) corporate debt securities, including bonds, notes and commercial
paper, rated in the four highest categories by a nationally recognized
statistical rating organization ("NRSRO") including Moody's Investors Service,
Inc., Standard & Poor's Corporation, Duff and Phelps, Inc. and Fitch Investors
Service, Inc.; (b) bank obligations, including CDs, banker's acceptances and
time deposits, issued by banks with a long-term CD rating in one of the four
highest categories by a NRSRO; and (c) investment grade fixed-rate and
adjustable rate Mortgage-Backed and Asset-Backed securities (see below) of
corporate issuers. Investments in securities rated within the four highest
rating categories by a NRSRO are considered "investment grade." However, such
securities rated within the fourth highest rating category by a NRSRO may have
speculative characteristics and, therefore, changes in economic conditions or
other circumstances are more likely to weaken their capacity to make principal
and interest payments than would be the case with investments in securities with
higher credit ratings. Where a fixed-income security is not rated by a NRSRO (as
may be the case with a foreign security) the Investment Manager will make a
determination of its creditworthiness and may deem it to be investment grade.
 
    The Fund may also invest in preferred stocks rated in one of the four
highest categories by a NRSRO.
 
    Up to 5% of the Fund's net assets may be invested in fixed-income securities
rated below investment grade. Such lower-rated securities are considered to be
speculative investments and, while producing higher yields than investment grade
securities, are subject to greater credit risks. The Fund does not have any
minimum quality rating standards with respect to this portion of its portfolio.
If an investment grade fixed-income security held by the Fund is downgraded by a
rating agency to a grade below investment grade, the Fund may retain such
security in its portfolio unless such downgraded security, together with all
other non-investment grade fixed-income securities held by the Fund constitute,
in the aggregate, more than 5% of the Fund's net assets. In such event, the
Investment Manager will seek to sell such securities from its portfolio, as soon
as is reasonably practicable, in sufficient amounts to reduce this total to
below 5% of its net assets. A description of fixed-income security ratings is
contained in the Appendix to the Statement of Additional Information.
 
    The United States Government securities (including zero coupon securities)
in which the Fund will invest include securities which are direct obligations of
the United States Government, such as United States treasury bills, and which
are backed by the full faith and credit of the United States; securities which
are backed by the full faith and credit of the United States but which are
obliga-
 
                                       6
<PAGE>
tions of a United States agency or instrumentality (E.G., obligations of the
Government National Mortgage Association); securities issued by a United States
agency or instrumentality which has the right to borrow, to meet its
obligations, from an existing line of credit with the United States Treasury
(E.G., obligations of the Federal National Mortgage Association); securities
issued by a United States agency or instrumentality which is backed by the
credit of the issuing agency or instrumentality (E.G., obligations of the
Federal Farm Credit System); and governmentally issued mortgage-backed
securities.
 
    In addition, as stated above, up to 25% of the Fund's total assets may be
invested in securities issued by foreign corporations and governments and their
agencies and instrumentalities. Such securities may be denominated in foreign
currencies. The principal foreign currencies in which such securities will be
denominated are: the Australian dollar; Deutsche mark; Japanese yen; French
franc; British pound; Canadian dollar; Mexican peso; Swiss franc; Dutch guilder;
Austrian schilling; Spanish Peseta; Swedish Krona; and European Currency Unit.
The Fund will only invest in foreign securities which are rated by a NRSRO as
investment grade or which, if unrated, are deemed by the Investment Manager to
be of investment grade creditworthiness.
 
RISKS AND PORTFOLIO CHARACTERISTICS
 
   
    The net asset value of the Fund's shares will fluctuate with changes in the
market value of its portfolio securities. The market value of the Fund's
portfolio securities will increase or decrease due to a variety of economic,
market or political factors which cannot be predicted. The Fund's yield will
also vary based on the yield of the Fund's portfolio securities.
    
 
    MORTGAGE-BACKED SECURITIES.  As stated above, a portion of the Fund's
investments may be in Mortgage-Backed securities. Mortgage-Backed securities are
securities that directly or indirectly represent a participation in, or are
secured by and payable from, mortgage loans secured by real property. The term
Mortgage-Backed securities as used herein includes adjustable rate mortgage
securities and derivative mortgage products such as collateralized mortgage
obligations, stripped Mortgage-Backed securities and other products described
below.
 
    There are currently three basic types of Mortgage-Backed securities: (i)
those issued or guaranteed by the United States Government or one of its
agencies or instrumentalities, such as the Government National Mortgage
Association ("GNMA"), the Federal National Mortgage Association ("FNMA") and the
Federal Home Loan Mortgage Corporation ("FHLMC") (securities issued by GNMA, but
not those issued by FNMA or FHLMC, are backed by the "full faith and credit" of
the United States); (ii) those issued by private issuers that represent an
interest in or are collateralized by Mortgage-Backed securities issued or
guaranteed by the United States Government or one of its agencies or
instrumentalities; and (iii) those issued by private issuers that represent an
interest in or are collateralized by whole mortgage loans or Mortgage-Backed
securities without a government guarantee but usually having some form of
private credit enhancement (described below).
 
    The Fund will invest in mortgage pass-through securities representing
participation interests in pools of residential mortgage loans originated by
United States governmental or private lenders and guaranteed, to the extent
provided in such securities, by the United States Government or one of its
agencies or instrumentalities. Such securities, which are ownership interests in
the underlying mortgage loans, differ from conventional debt securities, which
provide for periodic payment of interest in fixed amounts (usually semiannually)
and principal payments at maturity or on specified call dates. Mortgage
pass-through securities provide for monthly payments that are a "pass-through"
of the monthly interest and principal payments (including any prepayments) made
by the individual borrowers on the pooled mortgage loans, net of any fees paid
to the guarantor of such securities and the servicer of the underlying mortgage
loans.
 
                                       7
<PAGE>
    The guaranteed mortgage pass-through securities in which the Fund invests
include those issued or guaranteed by GNMA, FNMA and FHLMC. GNMA certificates
are direct obligations of the U.S. Government and, as such, are backed by the
"full faith and credit" of the United States. FNMA is a federally chartered,
privately owned corporation and FHLMC is a corporate instrumentality of the
United States. FNMA and FHLMC certificates are not backed by the full faith and
credit of the United States but the issuing agency or instrumentality has the
right to borrow, to meet its obligations, from an existing line of credit with
the U.S. Treasury. The U.S. Treasury has no legal obligation to provide such
line of credit and may choose not to do so.
 
    Certificates for Mortgage-Backed securities evidence an interest in a
specific pool of mortgages. These certificates are, in most cases, "modified
pass-through" instruments, wherein the issuing agency guarantees the payment of
principal and interest on mortgages underlying the certificates, whether or not
such amounts are collected by the issuer on the underlying mortgages.
 
    Private mortgage pass-through securities are structured similarly to the
GNMA, FNMA and FHLMC mortgage pass-through securities and are issued by
originators of and investors in mortgage loans, including savings and loan
associations, mortgage banks, commercial banks, investment banks and special
purpose subsidiaries of the foregoing. These securities usually are backed by a
pool of conventional fixed rate or adjustable rate mortgage loans. Since private
mortgage pass-through securities typically are not guaranteed by an entity
having the credit status of GNMA, FNMA and FHLMC, such securities generally are
structured with one or more types of credit enhancement.
 
    The Fund may also invest in adjustable rate mortgage securities ("ARMs"),
which are pass-through mortgage securities collateralized by mortgages with
adjustable rather than fixed rates. ARMs eligible for inclusion in a mortgage
pool generally provide for a fixed initial mortgage interest rate for either the
first three, six, twelve or thirteen, twenty-four, thirty-six or longer
scheduled monthly payments. Thereafter, the interest rates are subject to
periodic adjustment based on changes to a designated benchmark index. ARMs
contain maximum and minimum rates beyond which the mortgage interest rate may
not vary over the lifetime of the security. In addition, certain ARMs provide
for additional limitations on the maximum amount by which the mortgage interest
rate may adjust for any single adjustment period. Alternatively, certain ARMs
contain limitations on changes in the required monthly payment. In the event
that a monthly payment is not sufficient to pay the interest accruing on an ARM,
any such excess interest is added to the principal balance of the mortgage loan,
which is repaid through future monthly payments. If the monthly payment for such
an instrument exceeds the sum of the interest accrued at the applicable mortgage
interest rate and the principal payment required at such point to amortize the
outstanding principal balance over the remaining term of the loan, the excess is
utilized to reduce the then outstanding principal balance of the ARM.
 
    COLLATERALIZED MORTGAGE OBLIGATIONS.  The Fund may invest in collateralized
mortgage obligations or "CMOs". CMOs are debt obligations collateralized by
mortgage loans or mortgage pass-through securities. Typically, CMOs are
collateralized by GNMA, FNMA, or FHLMC certificates, but also may be
collateralized by whole loans or private mortgage pass-through securities (such
collateral is collectively hereinafter referred to as "Mortgage Assets").
Multiclass pass-through securities are equity interests in a trust composed of
Mortgage Assets. Payments of principal of and interest on the Mortgage Assets,
and any reinvestment income thereon, provide the funds to pay debt service on
the CMOs or make scheduled distributions on the multiclass pass-through
securities. CMOs may be issued by agencies or instrumentalities of the United
States Government, or by private originators of, or investors in, mortgage
loans, including
sav-
 
                                       8
<PAGE>
ings and loan associations, mortgage banks, commercial banks, investment banks
and special purpose subsidiaries of the foregoing.
 
    The issuer of a series of CMOs may elect to be treated as a Real Estate
Mortgage Investment Conduit ("REMIC"). REMICs include governmental and/ or
private entities that issue a fixed pool of mortgages secured by an interest in
real property. REMICs are similar to CMOs in that they issue multiple classes of
securities, but unlike CMOs, which are required to be structured as debt
securities, REMICs may be structured as indirect ownership interests in the
underlying assets of the REMICs themselves. However, there are no effects on the
Fund from investing in CMOs issued by entities that have elected to be treated
as REMICs, and all future references to CMOs shall also be deemed to include
REMICs. In addition, in reliance upon an interpretation by the staff of the
Securities and Exchange Commission with respect to limitations contained in
Section 12(d) of the Act, the Fund may invest without limitation in CMOs and
other Mortgage-Backed securities which are not by definition excluded from the
provisions of the Act, and which have obtained exemptive orders from such
provisions from the Securities and Exchange Commission.
 
    In a CMO, a series of bonds or certificates is issued in multiple classes.
Each class of CMOs, often referred to as a "tranche", is issued at a specific
fixed or floating coupon rate and has a stated maturity or final distribution
date. Principal prepayments on the Mortgage Assets may cause the CMOs to be
retired substantially earlier than their stated maturities or final distribution
dates. Interest is paid or accrues on all classes of the CMOs on a monthly,
quarterly or semiannual basis. Certain CMOs may have variable or floating
interest rates and others may be stripped (securities which provide only the
principal or interest feature of the underlying security).
 
    The principal of and interest on the Mortgage Assets may be allocated among
the several classes of a CMO series in a number of different ways. Generally,
the purpose of the allocation of the cash flow of a CMO to the various classes
is to obtain a more predictable cash flow to the individual tranches than exists
with the underlying collateral of the CMO. As a general rule, the more
predictable the cash flow is on a CMO tranche, the lower the anticipated yield
will be on that tranche at the time of issuance relative to prevailing market
yields on Mortgage-Backed securities. As part of the process of creating more
predictable cash flows on most of the tranches in a series of CMOs, one or more
tranches generally must be created that absorb most of the volatility in the
cash flows on the underlying mortgage loans. The yields on these tranches are
generally higher than prevailing markets yields on Mortgage-Backed securities
with similar maturities. As a result of the uncertainty of the cash flows of
these tranches, the market prices of and yield on these tranches generally are
more volatile.
 
    The Fund may invest up to 10% of its total assets in inverse floaters.
Inverse floaters constitute a class of CMOs with a coupon rate that moves
inversely to a designated index, such as the LIBOR (London Inter-Bank Offered
Rate) Index. Inverse floaters have coupon rates that typically change at a
multiple of the changes of the relevant index rate. Any rise in the index rate
(as a consequence of an increase in interest rates) causes a drop in the coupon
rate of an inverse floater while any drop in the index rate causes an increase
in the coupon of an inverse floater. In addition, like most other fixed-income
securities, the value of inverse floaters will decrease as interest rates
increase. Inverse floaters exhibit greater price volatility than the majority of
mortgage pass-through securities or CMOs. In addition, some inverse floaters
exhibit extreme sensitivity to changes in prepayments. As a result, the yield to
maturity of an inverse floater is sensitive not only to changes in interest
rates but also to changes in prepayment rates on the related underlying Mortgage
Assets.
 
    The Fund also may invest in, among other things, parallel pay CMOs and
Planned
Amortiza-
 
                                       9
<PAGE>
tion Class CMOs ("PAC Bonds"). Parallel pay CMOs are structured to provide
payments of principal on each payment date to more than one class. These
simultaneous payments are taken into account in calculating the stated maturity
date or final distribution date of each class, which, as with other CMO
structures, must be retired by its stated maturity date or final distribution
date but may be retired earlier. PAC Bonds generally require payments of a
specified amount of principal on each payment date. PAC Bonds always are
parallel pay CMOs with the required principal payment on such securities having
the highest priority after interest has been paid to all classes.
 
    STRIPPED MORTGAGE-BACKED SECURITIES.  Stripped Mortgage-Backed securities
are derivative multiclass mortgage securities. Stripped Mortgage-Backed
securities may be issued by agencies or instrumentalities of the United States
Government, or by private originators of, or investors in, mortgage loans,
including savings and loan associations, mortgage banks, commercial banks,
investment banks and special purpose subsidiaries of the foregoing. Up to 15% of
the net assets of the Fund may be invested in Stripped Mortgage-Backed
Securities.
 
    Stripped Mortgage-Backed securities usually are structured with two classes
that receive different proportions of the interest and principal distribution on
a pool of Mortgage Assets. A common type of Stripped Mortgage-Backed security
will have one class receiving some of the interest and most of the principal
from the Mortgage Assets, while the other class will receive most of the
interest and the remainder of the principal. In the most extreme case, one class
will receive all of the interest (the interest-only or "IO" class), while the
other class receive all of the principal (the principal-only or "PO" class). PO
classes generate income through the accretion of the deep discount at which such
securities are purchased, and, while PO classes do not receive periodic payments
of interest, they receive monthly payments associated with scheduled
amortization and principal prepayment from the Mortgage Assets underlying the PO
class. The yield to maturity on an IO class is extremely sensitive to the rate
of principal payments (including prepayments) on the related underlying Mortgage
Assets, and a rapid rate of principal payments may have a material adverse
effect on the Fund's yield to maturity. If the underlying Mortgage Assets
experience greater than anticipated prepayments of principal, the Fund may fail
to fully recoup its initial investment in these securities even if the
securities are rated investment grade.
 
    The Fund may purchase Stripped Mortgage-Backed securities for income, or for
hedging purposes to protect the Fund's portfolio against interest rate
fluctuations. For example, since an IO class will tend to increase in value as
interest rates rise, it may be utilized to hedge against a decrease in value of
other fixed-income securities in a rising interest rate environment. The Fund's
management understands that the staff of the Securities and Exchange Commission
("SEC") considers privately issued Stripped Mortgage-Backed securities
representing interest only or principal only components of U.S. Government or
other debt securities to be illiquid securities. The Fund will treat such
securities as illiquid so long as the staff maintains such position. The staff
of the SEC also takes the position that the determination of whether a
particular government-issued IO or PO backed by fixed-rate mortgages is liquid
may be made under guidelines and standards established by the Fund's Trustees.
Such securities may be deemed liquid if they can be disposed of promptly in the
ordinary course of business at a value reasonably close to that used in the
calculation of the net asset value per share. The Fund may not invest more than
15% of its net assets in illiquid securities.
 
    TYPES OF CREDIT ENHANCEMENT.  Mortgage-Backed securities are often backed by
a pool of assets representing the obligations of a number of different parties.
To lessen the effect of failures by obligors on underlying assets to make
payments, those securities may contain elements of credit support, which fall
into two categories: (i) liquidity
pro-
 
                                       10
<PAGE>
tection and (ii) protection against losses resulting from ultimate default by an
obligor on the underlying assets. Liquidity protection refers to the provision
of advances, generally by the entity administering the pool of assets, to ensure
that the receipt of payments on the underlying pool occurs in a timely fashion.
Protection against losses resulting from default ensures ultimate payment of the
obligations on at least a portion of assets in the pool. This protection may be
provided through guarantees, insurance policies or letters of credit obtained by
the issuer or sponsor from third parties, through various means of structuring
the transaction or through a combination of such approaches. The degree of
credit support provided for each issue is generally based on historical
information respecting the level of credit risk associated with the underlying
assets. Delinquencies or losses in excess of those anticipated could adversely
affect the return on an investment in a security. In addition, any circumstances
adversely affecting the ability of third parties (E.G., insurance companies) to
satisfy any of their obligations with respect to any Mortgage-Backed security,
such as a diminishment of their creditworthiness, could adversely affect the
value of the security. The Fund will not pay any fees for credit support,
although the existence of credit support may increase the price of a security.
 
    RISKS OF MORTGAGE-BACKED SECURITIES.  Mortgage-Backed securities have
certain different characteristics than traditional debt securities. Among the
major differences are that interest and principal payments are made more
frequently, usually monthly, and that principal may be prepaid at any time
because the underlying mortgage loans or other assets generally may be prepaid
at any time. As a result, if the Fund purchases such a security at a premium, a
prepayment rate that is faster than expected will reduce yield to maturity,
while a prepayment rate that is slower than expected will have the opposite
effect of increasing yield to maturity. Alternatively, if the Fund purchases
these securities at a discount, faster than expected prepayments will increase,
while slower than expected prepayments will reduce, yield to maturity. The Fund
may invest a portion of its assets in derivative Mortgage-Backed securities such
as Stripped Mortgage-Backed securities which are highly sensitive to changes in
prepayment and interest rates. The Investment Manager seeks to manage these
risks (and potential benefits) by investing in a variety of such securities and
through hedging techniques.
 
    Mortgage-Backed securities, like all fixed income securities, generally
decrease in value as a result of increases in interest rates. In addition,
although generally the value of fixed-income securities increases during periods
of falling interest rates and, as stated above, decreases during periods of
rising interest rates, as a result of prepayments and other factors, this is not
always the case with respect to Mortgage-Backed securities.
 
    Although the extent of prepayments on a pool of mortgage loans depends on
various economic and other factors, as a general rule prepayments on fixed rate
mortgage loans will increase during a period of falling interest rates and
decrease during a period of rising interest rates. Accordingly, amounts
available for reinvestment by the Fund are likely to be greater during a period
of declining interest rates and, as a result, likely to be reinvested at lower
interest rates than during a period of rising interest rates. Mortgage-Backed
securities generally decrease in value as a result of increases in interest
rates and may benefit less than other fixed-income securities from declining
interest rates because of the risk of prepayment.
 
    There are certain risks associated specifically with CMOs. CMOs issued by
private entities are not U.S. Government securities and are not guaranteed by
any government agency, although the securities underlying a CMO may be subject
to a guarantee. Therefore, if the collateral securing the CMO, as well as any
third party credit support or guarantees, is insufficient to make payment, the
holder could sustain a loss. Also, a number of different factors, including the
extent of prepayment of principal of the Mortgage Assets, affect the
availability of cash for principal payments by the CMO issuer on any
 
                                       11
<PAGE>
payment date and, accordingly, affect the timing of principal payments on each
CMO class. In addition, CMO classes with higher yields tend to be more volatile
with respect to cash flow of the underlying mortgages; as a result the market
prices of a yield on these classes tend to be more volatile.
 
    ASSET-BACKED SECURITIES.  The Fund may invest in Asset-Backed securities.
Asset-Backed securities represent the securitization techniques used to develop
Mortgage-Backed securities applied to a broad range of other assets. Through the
use of trusts and special purpose corporations, various types of assets,
primarily automobile and credit card receivables and home equity loans, are
being securitized in pass-through structures similar to the mortgage
pass-through structures described above or in a pay-through structure similar to
the CMO structure.
 
    Asset-Backed securities involve certain risks that are not posed by
Mortgage-Backed securities, resulting mainly from the fact that Asset-Backed
securities do not usually contain the complete benefit of a security interest in
the related collateral. For example, credit card receivables generally are
unsecured and the debtors are entitled to the protection of a number of state
and federal consumer credit laws, including the bankruptcy laws, some of which
may reduce the ability to obtain full payment. In the case of automobile
receivables, due to various legal and economic factors, proceeds for repossessed
collateral may not always be sufficient to support payments on these securities.
 
    New instruments and variations of existing Mortgage-Backed securities and
Asset-Backed securities continue to be developed. The Fund may invest in any
such instruments or variations as may be developed, to the extent consistent
with its investment objective and policies and applicable regulatory
requirements.
 
    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 contracts or
futures contracts (described in the Statement of Additional Information). 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 the more
rigorous uniform accounting, auditing and financial reporting standards and
requirements 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.
Furthermore, foreign exchanges and broker-dealers are generally subject to less
government and exchange scrutiny and regulation than their
Ameri-
 
                                       12
<PAGE>
can 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 Fund trades effected in such markets.
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. To the extent the Fund purchases Eurodollar
certificates of deposit issued by foreign branches of domestic United States
banks, consideration will be given to their domestic marketability, the lower
reserve requirements normally mandated for overseas banking operations, the
possible impact of interruptions in the flow of international currency
transactions, and future international political and economic developments which
might adversely affect the payment of principal or interest.
 
    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 ("collateral") 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, the Fund follows procedures designed to minimize
such risks. These procedures include effecting repurchase agreements only with
large, well-capitalized and well-established financial institutions whose
financial condition will be continually monitored by the Investment Manager
subject to procedures established by the Trustees of the Fund. In addition, as
described above,the value of the collateral underlying the repurchase agreement
will be at least equal to the repurchase price, including any accrued interest
earned on the repurchase agreement. In the event of a default or bankruptcy by a
selling financial institution, the Fund will seek to liquidate such collateral.
However, the exercising of the Fund's right to liquidate such collateral could
involve certain costs or delays and, to the extent that proceeds from any sale
upon a default of the obligation to repurchase were less than the repurchase
price, the Fund could suffer a loss.
 
   
    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. While the Fund will
only purchase securities on a when-issued, delayed delivery or forward
commitment basis with the intention of acquiring the securities, the Fund may
sell the securities before the settlement date, if it is deemed advisable. The
securities so purchased or sold are subject to market fluctuation and no
interest accrues to the purchaser during this period. At the time the Fund makes
the commitment to purchase or sell securities on a when-issued, delayed delivery
or forward commitment basis, it will record the transaction and thereafter
reflect the value, each day, of such security purchased or, if a sale, the
proceeds to be received in determining its net asset value. At the time of
delivery of the securities, their value may be more or less than the purchase or
sale price. The Fund will also establish a segregated account with its custodian
bank in which it will continually maintain cash or cash equivalents or other
liquid portfolio securities equal in value to commitments to purchase securities
on a when-issued, delayed delivery or forward commitment basis. An increase in
the percentage of the Fund's assets committed to the
    
 
                                       13
<PAGE>
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. The commitment
for the purchase of any such security will not be recognized by the Fund until
the Investment Manager determines that issuance of the security is probable. At
such time, the Fund will record the transaction and, in determining its net
asset value, will reflect the value of the security daily. At such time, the
Fund will also establish a segregated account with its custodian bank in which
it will continuously maintain cash or U.S. Government securities or other liquid
debt portfolio securities equal in value to recognized commitments for such
securities. Settlement of the trade will occur within five business days of the
occurrence of the subsequent event. With respect to 75% of its total assets, the
value of the Fund's commitments to purchase the securities of any one issuer,
together with the value of all securities of such issuer owned by the Fund, may
not exceed 5% of the value of the Fund's total assets at the time the initial
commitment to purchase such securities is made (see "Investment Restrictions").
Subject to the foregoing restrictions, the Fund may purchase securities on such
basis without limit. 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. The Investment Manager and the
Trustees do not believe that the net asset value of the Fund will be adversely
affected by its purchase of securities on such basis.
    
 
    ZERO COUPON SECURITIES.  A portion of the U.S. Government securities
purchased by the Fund may be "zero coupon" Treasury securities. These are U.S.
Treasury bills, notes and bonds which have been stripped of their unmatured
interest coupons and receipts or which are certificates representing interests
in such stripped debt obligations and coupons. In addition, a portion of the
fixed-income securities purchased by such Fund may be "zero coupon" securities.
"Zero coupon" securities are purchased at a discount from their face amount,
giving the purchaser the right to receive their full value at maturity. A zero
coupon security pays no interest to its holder during its life. Its value to an
investor consists of the difference between its face value at the time of
maturity and the price for which it was acquired, which is generally an amount
significantly less than its face value (sometimes referred to as a "deep
discount" price).
 
    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 if
prevailing interest rates rise. For this reason, zero coupon securities are
subject to substantially greater market price fluctuations during periods of
changing prevailing interest rates than are comparable debt securities which
make current distributions of interest. 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 securities during the year.
 
    Currently, the only U.S. Treasury security issued without coupons is the
Treasury bill. However, in the last few years a number of banks and brokerage
firms have separated ("stripped") the principal portions from the coupon
portions of the U.S. Treasury bonds and notes and sold them separately in the
form of receipts or certificates representing undivided interests in these
instruments (which instruments are generally held by a bank in a custodial or
trust account).
 
                                       14
<PAGE>
    Except as specifically noted, all investment policies and practices
discussed in this Prospectus are not fundamental policies of the Fund and, as
such, may be changed without shareholder approval.
 
PORTFOLIO MANAGEMENT
 
   
    The Fund's portfolio is managed by its Investment Manager with a view to
achieving its investment objective. The Fund is managed within the Taxable
Income Group, which manages 24 taxable mutual funds and fund portfolios, with
approximately $12.8 billion in assets as of May 31, 1997. Rochelle G. Siegel,
Senior Vice President of InterCapital and a member of InterCapital's Corporate
Bond Group, has been designated as the Fund's primary portfolio manager. Ms.
Siegel has been managing portfolios comprised of fixed-income securities at
InterCapital for over five years.
    
 
    Securities purchased by the Fund are, generally, sold by dealers acting as
principal for their own accounts. Pursuant to an order issued by 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.
 
    Although the Fund does not intend to engage in substantial short-term
trading, it may sell portfolio securities without regard to the length of time
that they have been held, in order to take advantage of new investment
opportunities or yield differentials, or because the Fund desires to preserve
gains or limit losses due to changing economic conditions, interest rate trends,
or the financial condition of the issuer. The Fund anticipates a portfolio
turnover rate of no more than 100%.
 
    INVESTMENT IN OTHER INVESTMENT VEHICLES. Under the Investment Company Act of
1940, as amended (the "Act"), the Fund generally may invest up to 10% of its
total assets in the aggregate in shares of other investment companies and up to
3% of its total assets in any one investment company, as long as that investment
company does not represent more than 5% of the voting stock of the acquired
investment company at the time such shares are purchased. In addition, the Fund
may invest in real estate investment trusts, which pool investors' funds for
investments primarily in commercial real estate properties. Investment in other
investment companies may be the sole or most practical means by which the Fund
may participate in certain securities markets, and investment in real estate
investment trusts may be the most practical available means for the Fund to
invest in the real estate industry (the Fund is prohibited from investing in
real estate directly). As a shareholder in an investment company or real estate
investment trust, the Fund would bear its ratable share of that entity's
expenses, including its advisory and administration fees. At the same time the
Fund would continue to pay its own investment management fees and other
expenses, as a result of which the Fund and its shareholders in effect will be
absorbing duplicate levels of fees with respect to investments in other
investment companies and in real estate investment trusts.
 
INVESTMENT RESTRICTIONS
- --------------------------------------------------------------------------------
 
    The investment restrictions listed below are among the restrictions that
have been adopted by the Fund as fundamental policies. Under 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.
 
    The Fund may not:
 
   1. As to 75% of its total assets, invest more than 5% of the value of its
total assets in the securities of any one issuer (other than obligations issued,
or guaranteed by, the United States Government, its
 
                                       15
<PAGE>
agencies or instrumentalities).
 
   2. As to 75% of its total assets, purchase more than 10% of all outstanding
voting securities or any class of securities of any one issuer.
 
   3. 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 or its agencies or
instrumentalities.
 
   4. 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 Mortgage-Backed
securities or Asset-Backed securities or to any obligation of the United
 
States Government, its agencies or instrumentalities.
 
    If a percentage restriction is adhered to at the time of investment, a later
increase or decrease in percentage resulting from a change in values of
portfolio securities or amount of total or net assets will not be considered a
violation of any of the foregoing restrictions.
 
   
    Notwithstanding any other investment policy or restriction, the Fund may
seek to achieve its investment objective by investing all or substantially all
of its assets in another investment company having substantially the same
investment objective and policies as the Fund.
    
 
PURCHASE OF FUND SHARES
- --------------------------------------------------------------------------------
 
    The Fund offers it shares for sale to the public on a continuous basis at
the offering price without the imposition of a sales charge. The offering price
will be the net asset value per share next determined following receipt of an
order (see "Determination of Net Asset Value"). Pursuant to a Distribution
Agreement between the Fund and Dean Witter Distributors Inc. (the
"Distributor"), an affiliate of the Investment Manager, shares of the Fund are
distributed by the Distributor and are offered by DWR and other broker-dealers
which have entered into 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 and subsequent purchases of $100 or
more may be made by sending a check, payable to Dean Witter Short-Term Bond
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-Dealers. 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, 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.
 
   
    Shares of the Fund are sold through the Distributor or a Selected
Broker-Dealer 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 or Selected Broker-Dealer. Shares of the Fund purchased
through the Distributor or Selected Broker-Dealer are entitled to dividends
beginning on the next business day following settlement date. Since DWR or any
other Selected Broker-Dealer may forward investors' funds on settlement date, it
will benefit from the temporary use of the funds if payment is made prior
thereto. Shares purchased through the Transfer Agent are entitled to dividends
beginning on the next business day following receipt of an
    
 
                                       16
<PAGE>
   
order. As noted above, orders placed directly with the Transfer Agent must be
accompanied by payment. Investors will be entitled to receive dividends or
distributions if their order is received by the close of business on the day
prior to the record date for such dividends and distributions.
    
 
    Sales personnel of a Selected Broker-Dealer are compensated for shares of
the Fund sold by them by the Distributor or any of its affiliates and/or by a
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 entered into a Plan of Distribution pursuant to Rule 12b-1
under the Act with the Distributor whereby the Distributor is authorized to
utilize its own resources or those of its affiliates, including InterCapital, to
finance certain services and activities in connection with the distribution of
the Fund's shares. The principal activities and services which may be provided
by the Distributor, DWR, its affiliates and other Selected Broker-Dealers under
the Plan include: (1) compensation to, and expenses of, account executives and
other employees of DWR and other Selected Broker-Dealers, including overhead and
telephone expenses; (2) sales incentives and bonuses to sales representatives
and to marketing personnel in connection with promoting sales of the Fund's
shares; (3) expenses incurred in connection with promoting sales of the Fund's
shares; (4) preparing and distributing sales literature; and (5) providing
advertising and promotional activities, including direct mail solicitation and
television, radio, newspaper, magazine and other media advertisements.
 
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, (or, on days when the New York Stock Exchange closes prior
to 4:00 p.m., at such earlier time), on each day that the New York Stock
Exchange is open 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 is valued at its latest sale price on that
exchange prior to the time when assets are valued; if there were no sales that
day, the security, is valued at the latest bid price (in cases where securities
are traded on more than one exchange, the securities are valued on the exchange
designated as the primary market pursuant to procedures 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 available bid
price prior to the time of valuation. When market quotations are not readily
available, including circumstances under which it is determined by the
Investment Manager that sale or 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 Fund's Trustees. For valuation purposes, quotations of foreign portfolio
securities are translated into U.S. dollar equivalents at the prevailing market
rates as of the morning of valuation. 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.
 
                                       17
<PAGE>
    Certain of the Fund's portfolio securities may be valued by an outside
pricing service approved by the Fund's Trustees. The pricing service may utilize
a matrix system incorporating security quality, maturity and coupon as the
evaluation model parameters, and/or research and 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 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. Such dividends and distributions will be
paid in shares of the Fund at net asset value per share. At any time an investor
may request the Transfer Agent in writing to have subsequent dividends and/or
capital gains distributions paid to the investor in cash rather than shares. To
assure sufficient time to process the change, such request should be received by
the Transfer Agent at least five business days prior to the payment date for
which it commences to take effect. In the case of recently purchased shares for
which registration instructions have not been received on the record date, cash
payments will be made to DWR or other Selected Broker-Dealer through whom shares
were purchased.
 
    INVESTMENT OF 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 next determined after
receipt by the Transfer Agent by returning the check or the proceeds to the
Transfer Agent within 30 days after the payment date.
 
    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 Fund's Transfer Agent for investment in
shares of the Fund (see "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.
 
    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
the self-employed, eligible 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 Broker-Dealer account
executive or the Transfer Agent.
 
    EXCHANGE PRIVILEGE.  An "Exchange Privilege", that is, the privilege of
exchanging shares of certain Dean Witter Funds for shares of the Fund, exists
whereby shares of various Dean Witter Funds which are open-end investment
companies sold with either a front-end (at time of purchase) sales charge ("FESC
funds") or a contingent deferred sales charge ("CDSC funds") may be redeemed at
their next calculated net asset value and the proceeds of
 
                                       18
<PAGE>
the redemption may be used to purchase shares of the Fund, Dean Witter
Short-Term U.S. Treasury Trust, Dean Witter Intermediate Term U.S. Treasury
Trust, Dean Witter Balanced Income Fund, Dean Witter Balanced Growth Fund, and
Dean Witter Limited Term Municipal Trust and shares of five Dean Witter Funds
which are money market funds: Dean Witter Tax-Free Daily Income Trust, Dean
Witter U.S. Government Money Market Trust, Dean Witter Liquid Asset Fund Inc.,
Dean Witter California Tax-Free Daily Income Trust and Dean Witter New York
Municipal Money Market Trust (which eleven funds including the Fund are
hereinafter collectively referred to as the "Exchange Funds"). An exchange from
an FESC fund or a CDSC fund to an Exchange 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 an FESC fund or a CDSC
fund, shares of the FESC fund or the CDSC fund are redeemed at their next
calculated net asset value and exchanged for shares of the money market fund at
their net asset value determined the following business day. Subsequently,
shares of the Exchange Funds received in an exchange for shares of an FESC fund
(regardless of the type of fund originally purchased) may be redeemed and
exchanged for shares of the other Exchange Funds, FESC funds or CDSC funds
(however, shares of CDSC funds, including shares acquired in exchange for (i)
shares of FESC funds or (ii) shares of the Exchange Funds which were acquired in
exchange for shares of FESC funds, may not be exchanged for shares of FESC
funds). Additionally, shares of the Exchange Funds received in an exchange for
shares of a CDSC fund (regardless of the type of fund originally purchased) may
be redeemed and exchanged for shares of the other Exchange Funds or CDSC funds.
Ultimately, any applicable contingent deferred sales charge ("CDSC") will have
to be paid upon redemption of shares originally purchased from a CDSC fund. (If
shares of the Exchange Fund received in exchange for shares originally purchased
from a CDSC fund are exchanged for shares of another CDSC fund having a
different CDSC schedule than that of the CDSC fund from which the Exchange
Fund's shares were acquired, the shares will be subject to the higher CDSC
schedule.) During the period of time the shares originally purchased from a CDSC
fund remain in an 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 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 the CDSC fund are reacquired. Thus, the CDSC is
based upon the period of time (calculated as described above) the shareholder
was invested in a CDSC fund. Exchanges involving FESC funds or CDSC funds may be
made after the shares of the FESC fund or CDSC 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.
 
    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 to the shareholder not later than ten days following such
shareholder's most recent exchange.
 
                                       19
<PAGE>
    The current prospectus for each fund describes its investment objective(s)
and policies, and shareholders should obtain one and read it carefully before
investing. Exchanges are subject to the minimum investment requirement and any
other conditions imposed by each fund. An exchange will be treated for federal
income tax purposes the same as a repurchase or redemption of shares on which
the shareholder has realized 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 above Dean
Witter Funds (for which the Exchange Privilege is available) pursuant to this
Exchange Privilege by contacting their DWR or other Selected Dealer account
executive (no Exchange Privilege Authorization Form is required). Other
shareholders (and those who are clients of DWR or other 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 Fund, to initiate
an exchange. If the Authoriza-
 
tion 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 and DWR or other Selected 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 of the other
Dean Witter Funds in the past.
 
    Additional information on the above is available from an account executive
of DWR or another Selected Broker-Dealer or from the Transfer Agent.
 
REDEMPTIONS AND REPURCHASES
- --------------------------------------------------------------------------------
 
    REDEMPTION.  Shares of the Fund can be redeemed for cash at any time at its
respective current net asset value per share (without any redemption or other
charge). If shares are held in a shareholder's account without a share
certificate, a written request for redemption is required. If certificates are
held by the shareholder, the shares may be redeemed by surrendering the
certificates with a written request for redemption. The share certificate, or an
accompanying stock power, and the request for redemption, must be signed by the
shareholder or shareholders exactly as the shares are registered. Each request
for redemption, whether or not accompanied by a share certificate, must be sent
to the Fund's Transfer Agent at P.O Box 983, Jersey City, NJ 07303, which will
redeem the shares at their net asset value next determined (see "Purchase of
Fund Shares -- Determination of Net Asset Value") after it receives the request,
and certificates, if any, in good
 
                                       20
<PAGE>
order. Any redemption request received after such determination will be redeemed
at the price next determined. The term "good order" means that the share
certificates, if any, and request for redemption are properly signed,
accompanied by any documentation required by the Transfer Agent, and bear
signature guarantees when required by the Fund or the Transfer Agent. If
redemption is requested by a corporation, partnership, trust or fiduciary, the
Transfer Agent may require that written evidence of authority acceptable to the
Transfer Agent be submitted before such request will be accepted. A stock power
may be obtained from any dealer or commercial bank. The Fund may change the
signature guarantee requirements upon notice to shareholders, which may be by
means of a new Prospectus.
    Whether certificates are held by the shareholder or shares are held in a
shareholder's account, if the proceeds are to be paid to any person other than
the record owner, or if the proceeds are to be paid to a corporation (other than
the Distributor for the account of the shareholder), partnership, trust or
fiduciary, or sent to the shareholder at an address other than the registered
address, signature(s) must be guaranteed by an eligible guarantor acceptable to
the Transfer Agent (shareholders should contact the Transfer Agent for a
determination as to whether a particular institution is an eligible guarantor).
    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 request of the shareholder. The repurchase price is the net
asset value next determined (see "Purchase of Fund Shares -- Determination of
Net Asset Value") after such repurchase order is received by DWR or other
Selected Broker-Dealer. Payment for shares repurchased may be made by the Fund
to the Distributor for the account of the shareholder. The offer by DWR and
other Selected Broker-Dealers to repurchase shares from shareholders may be
suspended without notice by them 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. 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 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 net asset value next determined after a
reinstatement request, together with the proceeds, is received by the Transfer
Agent.
    INVOLUNTARY REDEMPTION.  The Fund reserves the right to redeem, on 60 days'
notice and at net asset value, the shares (other than shares held in an
Individual Retirement Account or custodial account under Section 403(b)(7) of
the Internal Revenue Code) of any shareholder whose shares have a value of less
than $100 as a result of redemptions or repurchases, 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
 
                                       21
<PAGE>
the shares is less than the applicable amount and allow the shareholder sixty
days in which to make an additional investment in an amount which will increase
the value of his or her account to at least the applicable amount or more before
the redemption is processed.
 
DIVIDENDS, DISTRIBUTIONS AND TAXES
- --------------------------------------------------------------------------------
 
    DIVIDENDS AND DISTRIBUTIONS.  The Fund declares dividends on each day the
New York Stock Exchange is open for business. Such dividends are payable
monthly. The Fund intends to distribute substantially all of its daily net
investment income on an annual basis. Dividends from net capital gains, if any,
will be paid at least once each year.
 
    Shareholders may instruct the Transfer Agent (in writing) to have their
dividends paid out monthly in cash. Processing of dividend checks begins
immediately following the monthly payment date. Shareholders who have requested
to receive dividends in cash will normally be sent their monthly dividend check
during the first ten days of the following month.
 
    TAXES.  Because the Fund intends to distribute all of its net investment
income and net short-term capital gains to shareholders and otherwise remain
qualified 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 such income and capital gains.
 
    Shareholders who are required to pay taxes on their income will normally
have to pay federal income taxes, and any applicable state and/or local income
taxes, on the dividends and distributions they receive from the Fund. Such
dividends and distributions, to the extent that they are derived from 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. Any dividends
declared in the last quarter of any calendar year which are paid in the
following year prior to February 1 will be deemed, for tax purposes, to have
been received by the shareholder in the prior year.
 
    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. It is not anticipated that any portion of the
Fund's distributions will be eligible for the dividends received deduction to
corporate shareholders.
 
   
    The Fund may at times make payments from sources other than income or net
capital gains. Payments from such sources will, in effect, represent a return of
a portion of each shareholder's investment. All, or a portion, of such payments
will not be taxable to shareholders.
    
 
    After the end of the calendar year, shareholders will be sent full
information on their dividends and capital gains distributions for tax purposes,
including information as to the portion taxable as ordinary income and the
portion taxable as long-term capital gains.
 
    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. Shareholders who are not citizens or residents
of, or entities organized in, the United States may be subject to withholding
taxes of up to 30% on certain payments received from the Fund.
 
    The foregoing discussion relates solely to the federal income tax
consequences of an investment in the Fund. Distributions may also be subject to
state and local taxes; therefore, each shareholder is advised to consult his or
her own tax adviser.
 
                                       22
<PAGE>
PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------
 
    From time to time the Fund may quote its "yield" and/or its "total return"
in advertisements and sales literature. Both the yield and the total return of
the Fund are based on historical earnings and are not intended to indicate
future performance. The yield of the Fund is computed by dividing the net
investment income of the Fund over a 30-day period by an average value (using
the average number of shares entitled to receive dividends and the net asset
value per share at the end of the period), all in accordance with applicable
regulatory requirements. Such amount is compounded for six months and then
annualized for a twelve-month period to derive the yield of the Fund.
 
    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 periods of one, five and ten years or over the life of the
Fund, if less than any of the foregoing. 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 any sales charges which would be
incurred by redeeming shareholders, for the period. 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.
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
liquidation, each share of beneficial interest of the Fund is entitled to its
portion of all of 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.
 
    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.
 
                                       23
<PAGE>
    CODE OF ETHICS.  Directors, officers and employees of InterCapital, 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 option 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.
 
   
    MASTER/FEEDER CONVERSION.  The Fund reserves the right to seek to achieve
its investment objective by investing all of its investable assets in a
diversified, open-end management investment company having the same investment
objective and policies and substantially the same investment restrictions as
those applicable to the Fund.
    
 
    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.
 
                                       24
<PAGE>
 
   
                                    DEAN WITTER
                                    SHORT-TERM
                                    BOND FUND
Dean Witter
Short-Term
Bond Fund
TRUSTEES
Michael Bozic
Charles A. Fiumefreddo
Edwin J. Garn
John R. Haire
Dr. Manuel H. Johnson
Michael E. Nugent
Philip J. Purcell
John L. Schroeder
OFFICERS
Charles A. Fiumefreddo
Chairman and Chief Executive
Officer
Barry Fink
Vice President, Secretary and
General Counsel
Peter M. Avelar
Vice President
Rajesh K. Gupta
Vice President
Rochelle G. Siegel
Vice President
Thomas F. Caloia
Treasurer
CUSTODIAN
The Bank of New York
90 Washington Street
New York, New York 10286
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.
                                            PROSPECTUS -- JULY 10, 1997
 
    
<PAGE>
 
   
STATEMENT OF ADDITIONAL INFORMATION                                  DEAN WITTER
JULY 10, 1997                                                         SHORT-TERM
                                                                       BOND FUND
 
- --------------------------------------------------
    
 
   
    Dean Witter Short-Term Bond Fund (the "Fund") is an open-end diversified
management investment company whose investment objective is to provide a high
level of current income consistent with the preservation of capital. The Fund
seeks to achieve its objective by investing in a diversified portfolio of
short-term fixed-income securities, with a dollar-weighted average portfolio
maturity of less than three years. (See "Investment Objective and Policies.")
    
 
   
    A Prospectus for the Fund dated July 10, 1997, which provides the basic
information you should know before investing in the Fund, may be obtained
without charge from the Fund at its address or telephone number listed below or
from the Fund's Distributor, Dean Witter Distributors Inc., or from Dean Witter
Reynolds Inc. at any of its branch offices. This Statement of Additional
Information is not a Prospectus. It contains information in addition to and more
detailed than that set forth in the Prospectus. It is intended to provide
additional information regarding the activities and operations of the Fund, and
should be read in conjunction with the Prospectus.
    
 
   
Dean Witter
Short-Term Bond Fund
Two World Trade Center
New York, New York 10048
(212) 392-2550 or
(800) 869-NEWS (toll-free)
    
<PAGE>
TABLE OF CONTENTS
- --------------------------------------------------------------------------------
 
   
<TABLE>
<S>                                                                                      <C>
The Fund and Its Management............................................................          3
Trustees and Officers..................................................................          7
Investment Practices and Policies......................................................         13
Investment Restrictions................................................................         28
Portfolio Transactions and Brokerage...................................................         29
Purchase of Fund Shares................................................................         30
Shareholder Services...................................................................         32
Redemptions and Repurchases............................................................         37
Dividends, Distributions and Taxes.....................................................         38
Performance Information................................................................         40
Description of Shares..................................................................         41
Custodian and Transfer Agent...........................................................         41
Independent Accountants................................................................         42
Reports to Shareholders................................................................         42
Legal Counsel..........................................................................         42
Experts................................................................................         42
Registration Statement.................................................................         42
Financial Statements -- April 30, 1997.................................................         43
Report of Independent Accountants......................................................         53
Appendix...............................................................................         54
</TABLE>
    
 
                                       2
<PAGE>
THE FUND AND ITS MANAGEMENT
- --------------------------------------------------------------------------------
 
THE FUND
    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
October 22, 1993.
 
THE INVESTMENT MANAGER
   
    Dean Witter InterCapital Inc. (the "Investment Manager" or "InterCapital"),
whose address is Two World Trade Center, New York, New York 10048, is the Fund's
Investment Manager. InterCapital is a wholly-owned subsidiary of Morgan Stanley,
Dean Witter, Discover & Co. ("MSDWD"), a Delaware corporation. In an internal
reorganization which took place in January, 1993, InterCapital assumed the
advisory, administrative and management activities previously performed by the
InterCapital Division of Dean Witter Reynolds Inc. ("DWR"), a broker-dealer
affiliate of InterCapital. (As hereinafter used in this Statement of Additional
Information, the terms "InterCapital" and "Investment Manager" refer to DWR's
InterCapital Division prior to the internal reorganization and to Dean Witter
InterCapital Inc. thereafter.) The daily management of the Fund is conducted by
or under the direction of officers of the Fund and of the Investment Manager,
subject to review by the Fund's Trustees. Information as to these Trustees and
Officers is contained under the caption "Trustees and Officers."
    
 
   
    The Investment Manager is the investment manager or investment adviser of
the following investment companies:
    
 
   
OPEN-END FUNDS
    
 
   
  1.  Active Assets California Tax-Free Trust
  2.  Active Assets Government Securities Trust
  3.  Active Assets Money Trust
  4.  Active Assets Tax-Free Trust
  5.  Dean Witter American Value Fund
  6.  Dean Witter Balanced Growth Fund
  7.  Dean Witter Balanced Income Fund
  8.  Dean Witter California Tax-Free Daily Income Trust
  9.  Dean Witter California Tax-Free Income Fund
 10.  Dean Witter Capital Appreciation Fund
 11.  Dean Witter Capital Growth Securities
 12.  Dean Witter Convertible Securities Trust
 13.  Dean Witter Developing Growth Securities Trust
 14.  Dean Witter Diversified Income Trust
 15.  Dean Witter Dividend Growth Securities Inc.
 16.  Dean Witter European Growth Fund Inc.
 17.  Dean Witter Federal Securities Trust
 18.  Dean Witter Financial Services Trust
 19.  Dean Witter Global Asset Allocation Fund
 20.  Dean Witter Global Dividend Growth Securities
 21.  Dean Witter Global Short-Term Income Fund Inc.
 22.  Dean Witter Global Utilities Fund
 23.  Dean Witter Hawaii Municipal Trust
 24.  Dean Witter Health Sciences Trust
 25.  Dean Witter High Income Securities
 26.  Dean Witter High Yield Securities Inc.
 27.  Dean Witter Income Builder Fund
 28.  Dean Witter Information Fund
 29.  Dean Witter Intermediate Income Securities
 30.  Dean Witter Intermediate Term U.S. Treasury Trust
 31.  Dean Witter International Small Cap Fund
 32.  Dean Witter Japan Fund
 33.  Dean Witter Limited Term Municipal Trust
 34.  Dean Witter Liquid Asset Fund Inc.
 35.  Dean Witter Market Leader Trust
 36.  Dean Witter Mid-Cap Growth Fund
 37.  Dean Witter Multi-State Municipal Series Trust
 38.  Dean Witter National Municipal Trust
 39.  Dean Witter Natural Resource Development Securities Inc.
 40.  Dean Witter New York Municipal Money Market Trust
 41.  Dean Witter New York Tax-Free Income Fund
 42.  Dean Witter Pacific Growth Fund Inc.
 43.  Dean Witter Precious Metals and Minerals Trust
 
    
 
                                       3
<PAGE>
   
OPEN-END FUNDS (CONT)
    
 
   
 44.  Dean Witter Retirement Series
 45.  Dean WItter Select Dimensions Investment Series
 46.  Dean Witter Select Municipal Reinvestment Fund
 47.  Dean Witter Short-Term Bond Fund
 48.  Dean Witter Short-Term U.S. Treasury Trust
 49.  Dean Witter Special Value Fund
 50.  Dean Witter Strategist Fund
 51.  Dean Witter Tax-Exempt Securities Trust
 52.  Dean Witter Tax-Free Daily Income Trust
 53.  Dean WItter U.S. Government Money Market Trust
 54.  Dean Witter U.S. Government Securities Trust
 55.  Dean Witter Utilities Fund
 56.  Dean Witter Value-Added Market Series
 57.  Dean Witter Variable Investment Series
 58.  Dean Witter World Wide Income Trust
 59.  Dean Witter World Wide Investment Trust
 
    
 
   
CLOSED-END FUNDS
    
 
   
  1.  High Income Advantage Trust
  2.  High Income Advantage Trust II
  3.  High Income Advantage Trust III
  4.  InterCapital Income Securities Inc.
  5.  Dean Witter Government Income Trust
  6.  InterCapital Insured Municipal Bond Trust
  7.  InterCapital Insured Municipal Trust
  8.  InterCapital Insured Municipal Income Trust
  9.  InterCapital California Insured Municipal Income Trust
 10.  InterCapital Insured Municipal Securities
 11.  InterCapital Insured California Municipal Securities
 12.  InterCapital Quality Municipal Investment Trust
 13.  InterCapital Quality Municipal Income Trust
 14.  InterCapital Quality Municipal Securities
 15.  InterCapital California Quality Municipal Securities
 16.  InterCapital New York Quality Municipal Securities
 17.  Municipal Income Trust
 18.  Municipal Income Trust II
 19.  Municipal Income Trust III
 20.  Municipal Income Opportunities Trust
 21.  Municipal Income Opportunities II
 22.  Municipal Income Opportunities III
 23.  Prime Income Trust
 24.  Municipal Premium Income Trust
 
    
 
   
    The foregoing investment companies, together with the Fund, are collectively
referred to as the Dean Witter Funds.
    
 
   
    In addition, Dean Witter Services Company Inc. ("DWSC"), a wholly-owned
subsidiary of InterCapital, serves as manager for the following companies for
which TCW Funds Management, Inc. is the investment adviser (the "TCW/DW Funds"):
    
 
   
OPEN-END FUNDS
  1.  TCW/DW Core Equity Trust
  2.  TCW/DW North American Government Income Trust
  3.  TCW/DW Latin American Growth Fund
  4.  TCW/DW Income and Growth Fund
  5.  TCW/DW Small Cap Growth Fund
  6.  TCW/DW Balanced Fund
  7.  TCW/DW Mid-Cap Equity Trust
  8.  TCW/DW Global Telecom Trust
  9.  TCW/DW Strategic Income Trust
 
CLOSED-END FUNDS
 10.  TCW/DW Term Trust 2000
 11.  TCW/DW Term Trust 2002
 12.  TCW/DW Term Trust 2003
 13.  TCW/DW Total Return Trust
 14.  TCW/DW Emerging Markets Opportunities Trust
 
    
 
                                       4
<PAGE>
   
    InterCapital also serves as: (i) administrator of The BlackRock Strategic
Term Trust Inc., a closed-end investment company; and (ii) sub-administrator of
MassMutual Participation Investors and Templeton Global Governments Income
Trust, closed-end investment companies.
    
 
    Pursuant to an Investment Management Agreement (the "Agreement") with the
Investment Manager, the Fund has retained the Investment Manager to manage the
investment of the Fund's assets, including the placing of orders for the
purchase and sale of portfolio securities. The Investment Manager obtains and
evaluates such information and advice relating to the economy, securities
markets, and specific securities as it considers necessary or useful to
continuously manage the assets of the Fund in a manner consistent with its
investment objective.
 
    Under the terms of the Agreement, in addition to managing the Fund's
investments, the Investment Manager maintains certain of the Fund's books and
records and furnishes, at its own expense, such office space, facilities,
equipment, clerical help and bookkeeping and certain legal services as the Fund
may reasonably require in the conduct of its business, including the preparation
of prospectuses, statements of additional information, proxy statements and
reports required to be filed with federal and state securities commissions
(except insofar as the participation or assistance of independent accountants
and attorneys is, in the opinion of the Investment Manager, necessary or
desirable). In addition, the Investment Manager pays the salaries of all
personnel, including officers of the Fund, who are employees of the Investment
Manager. The Investment Manager also bears the cost of telephone service, heat,
light, power and other utilities provided to the Fund.
 
    Effective December 31, 1993, pursuant to a Services Agreement between
InterCapital and DWSC, a wholly-owned subsidiary of InterCapital, DWSC began to
provide the administrative services to the Fund which were previously performed
directly by InterCapital. On April 17, 1995, DWSC was reorganized in the State
of Delaware, necessitating the entry into a new Services Agreement by
InterCapital and DWSC on such date. The foregoing internal reorganizations did
not result in any change in the nature or scope of the administrative services
being provided to the Fund or any of the fees being paid by the Fund for the
overall services being performed under the terms of the existing Agreement.
 
    The Fund pays all expenses incurred in its operation. Expenses not expressly
assumed by the Investment Manager under the Agreement or by the distributor of
the Fund's shares, Dean Witter Distributors Inc. ("Distributors" or the
"Distributor") (see "Purchase of Fund Shares") will be paid by the Fund. The
expenses borne by the Fund include, but are not limited to: charges and expenses
of any registrar; custodian, stock transfer and dividend disbursing agent;
brokerage commissions; taxes; engraving and printing of share certificates;
registration costs of the Fund and its shares under federal and state securities
laws; the cost and expense of printing, including typesetting, and distributing
Prospectuses and Statements of Additional Information of the Fund and
supplements thereto to the Fund's shareholders; all expenses of shareholders'
and trustees' meetings and of preparing, printing and mailing of proxy
statements and reports to shareholders; fees and travel expenses of trustees or
members of any advisory board or committee who are not employees of the
Investment Manager or any corporate affiliate of the Investment Manager; all
expenses incident to any dividend, withdrawal or redemption options; charges and
expenses of any outside service used for pricing of the Fund's shares; fees and
expenses of legal counsel, including counsel to the trustees who are not
interested persons of the Fund or of the Investment Manager (not including
compensation or expenses of attorneys who are employees of the Investment
Manager) and independent accountants; membership dues of industry associations;
interest on the Fund's borrowings; postage; insurance premiums on property or
personnel (including officers and trustees) of the Fund which inure to its
benefit; extraordinary expenses including, but not limited to, legal claims and
liabilities and litigation costs and any indemnification relating thereto
(depending upon the nature of the legal claim, liability or lawsuit), the costs
of litigation, payment of legal claims or liabilities or indemnification
relating thereto; and all other costs of the Fund's operations.
 
   
    The Investment Manager had undertaken from January 10, 1994 (commencement of
operations) to assume all operating expenses and to waive the compensation
provided for in its Management Agreement until such time as the Fund had $50
million of net assets or until December 31, 1995 whichever occurred first. The
Investment Manager had undertaken from January 1, 1996 through December 31, 1996
to continue to assume all operating expenses (except for any brokerage fees) and
to continue to
    
 
                                       5
<PAGE>
   
waive compensation to the extent such expenses and compensation exceed 1.0% of
the Fund's daily net assets on an annualized basis. The Investment Manager has
undertaken from January 1, 1997 through December 31, 1997 to assume all
operating expenses (except for any brokerage fees) and to waive its compensation
without limitation.
    
 
   
    As full compensation for the services and facilities furnished to the Fund
and 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 0.70% to the daily net assets of the Fund. For the fiscal period January
10, 1994 (commencement of the Fund's operations) through April 30, 1994, and for
the fiscal year ended April 30, 1995 the fees payable under the Agreement of
$73,373, $264,109, respectively, were waived by the Investment Manager, pursuant
to its undertakings described above. For the fiscal year ended April 30, 1996,
the fees payable under the Management Agreement amounted to $234,741 of which
$180,434 was waived by the Investment Manager pursuant to undertakings described
above. For the fiscal year ended April 30, 1997, the fees payable under the
Management Agreement amounted to $261,509 of which $237,756 was waived by the
Investment Manager pursuant to undertakings described above.
    
 
    The Agreement provides that in the absence of willful misfeasance, bad
faith, gross negligence or reckless disregard of its obligations thereunder, the
Investment Manager is not liable to the Fund or any of its investors for any act
or omission by the Investment Manager or for any losses sustained by the Fund or
its investors. The Agreement in no way restricts the Investment Manager from
acting as investment manager or adviser to others.
 
    The Investment Manager paid the organizational expenses of the Fund incurred
prior to the offering of the Fund's shares. The Fund agreed to bear and
reimburse the Investment Manager for such expenses, which totalled approximately
$160,000. The Fund has deferred and is amortizing the reimbursed expenses on the
straight line method over a period not to exceed five years from the date of
commencement of the Fund's operations.
 
   
    The Agreement was initially approved by the Trustees on February 21, 1997
and by the shareholders of the Fund at a Special Meeting of Shareholders held on
May 21, 1997. The Agreement is substantially identical to a prior investment
management agreement which was initially approved by the Trustees and by
InterCapital as the sole shareholder on December 2, 1993. The Agreement took
effect on May 31, 1997 upon the consummation of the merger of Dean Witter,
Discover & Co. with Morgan Stanley Group Inc. The Agreement may be terminated at
any time, without penalty, on thirty days' notice by the Board of Trustees of
the Fund, by the holders of a majority, as defined in the Investment Company Act
of 1940 (the "Act"), of the outstanding shares of the Fund, or by the Investment
Manager. The Agreement will automatically terminate in the event of its
assignment (as defined in the Act).
    
 
   
    Under its terms, the Agreement has an initial term ending April 30, 1999,
and will continue from year to year thereafter, provided continuance of the
Agreement is approved at least annually by the vote of the holders of a majority
of the outstanding shares of the Fund, as defined in the Act, or by the Trustees
of the Fund; provided that in either event such continuance is approved annually
by the vote of a majority of the Trustees of the Fund who are not parties to the
Agreement or "interested persons" (as defined in the Act) of any such party (the
"Independent Trustees"), which vote must be cast in person at a meeting called
for the purpose of voting on such approval.
    
 
   
    The Fund has acknowledged that the name "Dean Witter" is a property right of
DWR. The Fund has agreed that DWR or its parent companies may use, or at any
time permit others to use, the name "Dean Witter." The Fund has also agreed that
in the event the investment management contract between the Investment Manager
and the Fund is terminated, or if the affiliation between the Investment Manager
and its parent companies is terminated, the Fund will eliminate the name "Dean
Witter" from its name if the Investment Manager, DWR or its parent companies
shall so request.
    
 
                                       6
<PAGE>
TRUSTEES AND OFFICERS
- --------------------------------------------------------------------------------
 
   
    The Trustees and Executive Officers of the Fund, their principal business
occupations during the last five years and their affiliations, if any, with
InterCapital, and with the 83 Dean Witter Funds and the 14 TCW Funds, are shown
below:
    
 
   
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
Michael Bozic (56) ...................................  Chairman and Chief Executive Officer of Levitz Furniture
Trustee                                                 Corporation (since November, 1995); Director or Trustee of
c/o Levitz Furniture Corporation                        the Dean Witter Funds; formerly President and Chief
6111 Broken Sound Parkway, N.W.                         Executive Officer of Hills Department Stores (May,
Boca Raton, Florida                                     1991-July, 1995); formerly, variously Chairman, Chief
                                                        Executive Officer, President and Chief Operating Officer
                                                        (1987-1991) of the Sears Merchandise Group of Sears,
                                                        Roebuck and Co.; Director of Eaglemark Financial Services,
                                                        Inc., the United Negro College Fund and Weirton Steel
                                                        Corporation.
Charles A. Fiumefreddo* (64) .........................  Chairman, Chief Executive Officer and Director of
Chairman of the Board,                                  InterCapital, Distributors and DWSC; Executive Vice
President, Chief Executive Officer                      President and Director of DWR; Chairman, Director or
and Trustee                                             Trustee, President and Chief Executive Officer of the Dean
Two World Trade Center                                  Witter Funds; Chairman, Chief Executive Officer and
New York, New York                                      Trustee of the TCW/DW Funds; Chairman and Director of Dean
                                                        Witter Trust Company ("DWTC"); Director and/or officer of
                                                        various MSDWD subsidiaries; formerly Executive Vice
                                                        President and Director of Dean Witter, Discover & Co.
                                                        (until February, 1993).
Edwin J. Garn (64) ...................................  Director or Trustee of the Dean Witter Funds; formerly
Trustee                                                 United States Senator (R-Utah) (1974-1992) and Chairman,
c/o Huntsman Corporation                                Senate Banking Committee (1980-1986); formerly Mayor of
500 Huntsman Way                                        Salt Lake City, Utah (1971-1974); formerly Astronaut,
Salt Lake City, Utah                                    Space Shuttle Discovery (April 12-19, 1985); Vice
                                                        Chairman, Huntsman Corporation (since January, 1993);
                                                        Director of Franklin Quest (time management systems) and
                                                        John Alden Financial Corp. (health insurance); member of
                                                        the board of various civic and charitable organizations.
John R. Haire (72) ...................................  Chairman of the Audit Committee and Chairman of the
Trustee                                                 Committee of the Independent Directors or Trustees and
Two World Trade Center                                  Director or Trustee of the Dean Witter Funds; Chairman of
New York, New York                                      the Audit Committee and Chairman of the Committee of the
                                                        Independent Trustees and Trustee of the TCW/DW Funds;
                                                        formerly President, Council for Aid to Education
                                                        (1978-1989) and Chairman and Chief Executive Officer of
                                                        Anchor Corporation, an Investment Advisor (1964-1978);
                                                        Director of Washington National Corporation (insurance).
</TABLE>
    
 
                                       7
<PAGE>
   
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
Wayne E. Hedien** (63) ...............................  Retired; Director or Trustee of the Dean Witter Funds
Trustee                                                 (commencing on September 1, 1997); Director of The PMI
c/o Gordon Altman Butowsky                              Group, Inc. (private mortgage insurance); Trustee and Vice
Weitzen Shalov & Wein                                   Chairman of The Field Museum of Natural History; formerly
Counsel to the Independent Trustees                     associated with the Allstate Companies (1966-1994), most
114 West 47th Street                                    recently as Chairman of The Allstate Corporation (March,
New York, New York                                      1993-December, 1994) and Chairman and Chief Executive
                                                        Officer of its wholly-owned subsidiary, Allstate Insurance
                                                        Company (July, 1989-December, 1994); director of various
                                                        other business and charitable organizations.
Dr. Manuel H. Johnson (48) ...........................  Senior Partner, Johnson Smick International, Inc., a
Trustee                                                 consulting firm; Director of Greenwich Capital Markets,
c/o Johnson Smick International, Inc.                   Inc. (broker-dealer); Trustee of the Financial Accounting
1133 Connecticut Avenue, N.W.                           Foundation (oversight organization for the FASB);
Washington, D.C.                                        Co-Chairman and a founder of the Group of Seven Council
                                                        (G7C), an international economic commission; Director or
                                                        Trustee of the Dean Witter Funds; Trustee of the TCW/DW
                                                        Funds; Director of Greenwich Capital Markets Inc.
                                                        (broker-dealer); Director of NASDAQ (since June, 1995);
                                                        formerly Vice Chairman of the Board of Governors of the
                                                        Federal Reserve System (1986-1990) and Assistant Secretary
                                                        of the U.S. Treasury (1982-1986).
Michael E. Nugent (61) ...............................  General Partner, Triumph Capital, L.P., a private
Trustee                                                 investment partnership; Director or Trustee of the Dean
c/o Triumph Capital, L.P.                               Witter Funds; Trustee of the TCW/DW Funds; formerly Vice
237 Park Avenue                                         President, Bankers Trust Company and BT Capital
New York, New York                                      Corporation (1984-1988); Director of various business
                                                        organizations.
Philip J. Purcell* (53) ..............................  Chairman of the Board of Directors and Chief Executive
Trustee                                                 Officer of MSDWD, DWR and Novus Credit Services Inc.;
1585 Broadway                                           Director of InterCapital, DWSC and Distributors; Director
New York, New York                                      or Trustee of the Dean Witter Funds; Director and/or
                                                        officer of various MSDWD subsidiaries.
John L. Schroeder (66) ...............................  Retired; Director or Trustee of the Dean Witter Funds;
Trustee                                                 Trustee of the TCW/DW Funds; Director of Citizens
c/o Gordon Altman Butowsky                              Utilities Company; formerly Executive Vice President and
 Weitzen Shalov & Wein                                  Chief Investment Officer of the Home Insurance Company
Counsel to the Independent Trustees                     (August, 1991-September, 1995).
114 West 47th Street
New York, New York
</TABLE>
    
 
                                       8
<PAGE>
   
<TABLE>
<CAPTION>
      NAME, AGE, POSITION WITH FUND AND ADDRESS                PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS
- ------------------------------------------------------  ----------------------------------------------------------
<S>                                                     <C>
Barry Fink (42) ......................................  Senior Vice President (since March, 1997) and Secretary
Vice President,                                         and General Counsel (since February, 1997) of InterCapital
Secretary and General Counsel                           and DWSC; Senior Vice President (since March, 1997) and
Two World Trade Center                                  Assistant Secretary and Assistant General Counsel (since
New York, New York                                      February, 1997) of Distributors; Assistant Secretary of
                                                        DWR (since August, 1996); Vice President, Secretary and
                                                        General Counsel of the Dean Witter Funds and the TCW/DW
                                                        Funds (since February, 1997); previously First Vice
                                                        President (June, 1993-February, 1997), Vice President
                                                        (until June, 1993) and Assistant Secretary and Assistant
                                                        General Counsel of InterCapital and DWSC and Assistant
                                                        Secretary of the Dean Witter Funds and TCW/DW Funds.
Peter M. Avelar (38) .................................  Senior Vice President of InterCapital (since April, 1992);
Vice President                                          Vice President of various Dean Witter Funds; previously
Two World Trade Center                                  Vice President of InterCapital.
New York, New York
Rajesh K. Gupta (37) .................................  Senior Vice President of InterCapital; Vice President of
Vice President                                          various Dean Witter Funds.
Two World Trade Center
New York, New York
Rochelle G. Siegel (48) ..............................  Senior Vice President of InterCapital; Vice President of
Vice President                                          various Dean Witter Funds.
Two World Trade Center
New York, New York
Thomas F. Caloia (51) ................................  First Vice President and Assistant Treasurer of
Treasurer                                               InterCapital and DWSC; Treasurer of the Dean Witter Funds
Two World Trade Center                                  and the TCW/DW Funds.
New York, New York
</TABLE>
    
 
- ------------------------
 
 *  Denotes Trustees who are "interested persons" of the Fund, as defined in the
    Act.
   
**  Mr. Hedien's term as Trustee will commence on September 1, 1997.
    
 
   
    In addition, Robert M. Scanlan, President and Chief Operating Officer of
InterCapital and DWSC, Executive Vice President of Distributors and DWTC and
Director of DWTC, Mitchell M. Merin, President and Chief Strategic Officer of
InterCapital and DWSC, Executive Vice President of Distributors and DWTC and
Director of DWTC, Executive Vice President and Director of DWR, Director of SPS
Transaction Services, Inc. and various other MSDWD subsidiaries, Joseph J.
McAlinden, Executive Vice President and Chief Investment Officer of InterCapital
and Director of DWTC, Robert S. Giambrone, Senior Vice President of
InterCapital, DWSC, Distributors and DWTC and Director of DWTC, and Jonathan
Page and James F. Willison, and Kevin Hurley, Senior Vice Presidents of
InterCapital, are Vice Presidents of the Fund. Marilyn K. Cranney, First Vice
President and Assistant General Counsel of InterCapital and DWSC, Lou Anne D.
McInnis, Ruth Rossi and Carsten Otto, Vice Presidents and Assistant General
Counsels of InterCapital and DWSC, and Frank Bruttomesso, a Staff Attorney with
InterCapital, are Assistant Secretaries of the Fund.
    
 
                                       9
<PAGE>
   
THE BOARD OF TRUSTEES, THE INDEPENDENT TRUSTEES, AND THE COMMITTEES
    
 
   
    The Board of Trustees consists of eight (8) trustees; as noted above, Mr.
Hedien's term will commence on September 1, 1997. These same individuals also
serve as directors or trustees for all of the Dean Witter Funds, and are
referred to in this section as Trustees. As of the date of this Statement of
Additional Information, there are a total of 83 Dean Witter Funds, comprised of
126 portfolios. As of May 31, 1997, the Dean Witter Funds had total net assets
of approximately $86.5 billion and more than six million shareholders.
    
 
   
    Six Trustees and Mr. Hedien (77% of the total number) have no affiliation or
business connection with InterCapital or any of its affiliated persons and do
not own any stock or other securities issued by InterCapital's parent company,
MSDWD. These are the "disinterested" or "independent" Trustees. The other two
Trustees (the "management Trustees") are affiliated with InterCapital. Four of
the six independent Trustees are also Independent Trustees of the TCW/DW Funds.
    
 
   
    Law and regulation establish both general guidelines and specific duties for
the Independent Trustees. The Dean Witter Funds seek as Independent Trustees
individuals of distinction and experience in business and finance, government
service or academia; these are people whose advice and counsel are in demand by
others and for whom there is often competition. To accept a position on the
Funds' Boards, such individuals may reject other attractive assignments because
the Funds make substantial demands on their time. Indeed, by serving on the
Funds' Boards, certain Trustees who would otherwise be qualified and in demand
to serve on bank boards would be prohibited by law from doing so.
    
 
   
    All of the current Independent Trustees serve as members of the Audit
Committee and the Committee of the Independent Trustees. Three of them also
serve as members of the Derivatives Committee. During the calendar year ended
December 31, 1996, the three Committees held a combined total of sixteen
meetings. The Committees hold some meetings at InterCapital's offices and some
outside InterCapital. Management Trustees or officers do not attend these
meetings unless they are invited for purposes of furnishing information or
making a report.
    
 
   
    The Committee of the Independent Trustees is charged with recommending to
the full Board approval of management, advisory and administration contracts,
Rule 12b-1 plans and distribution and underwriting agreements; continually
reviewing Fund performance; checking on the pricing of portfolio securities,
brokerage commissions, transfer agent costs and performance, and trading among
Funds in the same complex; and approving fidelity bond and related insurance
coverage and allocations, as well as other matters that arise from time to time.
The Independent Trustees are required to select and nominate individuals to fill
any Independent Trustee vacancy on the Board of any Fund that has a Rule 12b-1
plan of distribution. Most of the Dean Witter Funds have such a plan.
    
 
   
    The Audit Committee is charged with recommending to the full Board the
engagement or discharge of the Fund's independent accountants; directing
investigations into matters within the scope of the independent accountants'
duties, including the power to retain outside specialists; reviewing with the
independent accountants the audit plan and results of the auditing engagement;
approving professional services provided by the independent accountants and
other accounting firms prior to the performance of such services; reviewing the
independence of the independent accountants; considering the range of audit and
non-audit fees; reviewing the adequacy of the Fund's system of internal
controls; and preparing and submitting Committee meeting minutes to the full
Board.
    
 
   
    Finally, the Board of each Fund has formed a Derivatives Committee to
establish parameters for and oversee the activities of the Fund with respect to
derivative investments, if any, made by the Fund.
    
 
   
DUTIES OF CHAIRMAN OF COMMITTEE OF THE INDEPENDENT TRUSTEES AND AUDIT COMMITTEE
    
 
   
    The Chairman of the Committee of the Independent Trustees and the Audit
Committee maintains an office at the Funds' headquarters in New York. He is
responsible for keeping abreast of regulatory and industry developments and the
Funds' operations and management. He screens and/or prepares written materials
and identifies critical issues for the Independent Trustees to consider,
develops agendas for Committee meetings, determines the type and amount of
information that the Committees will
    
 
                                       10
<PAGE>
   
need to form a judgment on various issues, and arranges to have that information
furnished to Committee members. He also arranges for the services of independent
experts and consults with them in advance of meetings to help refine reports and
to focus on critical issues. Members of the Committees believe that the person
who serves as Chairman of both Committees and guides their efforts is pivotal to
the effective functioning of the Committees.
    
 
   
    The Chairman of the Committees also maintains continuous contact with the
Funds' management, with independent counsel to the Independent Trustees and with
the Funds' independent auditors. He arranges for a series of special meetings
involving the annual review of investment advisory, management and other
operating contracts of the Funds and, on behalf of the Committees, conducts
negotiations with the Investment Manager and other service providers. In effect,
the Chairman of the Committees serves as a combination of chief executive and
support staff of the Independent Trustees.
    
 
   
    The Chairman of the Committee of the Independent Trustees and the Audit
Committee is not employed by any other organization and devotes his time
primarily to the services he performs as Committee Chairman and Independent
Trustee of the Dean Witter Funds and as an Independent Trustee and, since July
1, 1996, as Chairman of the Committee of the Independent Trustees and the Audit
Committee of the TCW/DW Funds. The current Committee Chairman has had more than
35 years experience as a senior executive in the investment company industry.
    
 
   
ADVANTAGES OF HAVING SAME INDIVIDUALS AS INDEPENDENT TRUSTEES FOR ALL DEAN
WITTER FUNDS
    
 
   
    The Independent Trustees and the Funds' management believe that having the
same Independent Trustees for each of the Dean Witter Funds avoids the
duplication of effort that would arise from having different groups of
individuals serving as Independent Trustees for each of the Funds or even of
sub-groups of Funds. They believe that having the same individuals serve as
Independent Trustees of all the Funds tends to increase their knowledge and
expertise regarding matters which affect the Fund complex generally and enhances
their ability to negotiate on behalf of each Fund with the Fund's service
providers. This arrangement also precludes the possibility of separate groups of
Independent Trustees arriving at conflicting decisions regarding operations and
management of the Funds and avoids the cost and confusion that would likely
ensue. Finally, having the same Independent Trustees serve on all Fund Boards
enhances the ability of each Fund to obtain, at modest cost to each separate
Fund, the services of Independent Trustees, and a Chairman of their Committees,
of the caliber, experience and business acumen of the individuals who serve as
Independent Trustees of the Dean Witter Funds.
    
 
   
COMPENSATION OF INDEPENDENT TRUSTEES
    
 
   
    The Fund pays each Independent Trustee an annual fee of $1,000 plus a per
meeting fee of $50 for meetings of the Board of Trustees or committees of the
Board of Trustees attended by the Trustee (the Fund pays the Chairman of the
Audit Committee an annual fee of $750 and pays the Chairman of the Committee of
the Independent Trustees an additional annual fee of $1,200). The Fund also
reimburses such Trustees for travel and other out-of-pocket expenses incurred by
them in connection with attending such meetings. Trustees and officers of the
Fund who are or have been employed by the Investment Manager or an affiliated
company receive no compensation or expense reimbursement from the Fund.
    
 
   
    The following table illustrates the compensation paid to the Fund's
Independent Trustees by the Fund for the fiscal year ended April 30, 1997.
    
 
   
                               FUND COMPENSATION
    
 
   
<TABLE>
<CAPTION>
                                                                   AGGREGATE
                                                                 COMPENSATION
NAME OF INDEPENDENT TRUSTEE                                      FROM THE FUND
- --------------------------------------------------------------  ---------------
<S>                                                             <C>
Michael Bozic.................................................      $1,800
Edwin J. Garn.................................................       1,900
John R. Haire.................................................       3,650
Dr. Manuel H. Johnson.........................................       1,800
Michael E. Nugent.............................................       1,900
John L. Schroeder.............................................       1,900
</TABLE>
    
 
                                       11
<PAGE>
   
    The following table illustrates the compensation paid to the Fund's
Independent Trustees for the calendar year ended December 31, 1996 for services
to the 82 Dean Witter Funds and, in the case of Messrs. Haire, Johnson, Nugent
and Schroeder, the 14 TCW/DW Funds that were in operation at December 31, 1996.
With respect to Messrs. Haire, Johnson, Nugent and Schroeder, the TCW/DW Funds
are included solely because of a limited exchange privilege between those Funds
and five Dean Witter Money Market Funds.
    
 
   
           CASH COMPENSATION FROM DEAN WITTER FUNDS AND TCW/DW FUNDS
    
 
   
<TABLE>
<CAPTION>
 
                                                                   FOR SERVICE AS    FOR SERVICE
                                                                    CHAIRMAN OF          AS          TOTAL CASH
                                                                   COMMITTEES OF     CHAIRMAN OF    COMPENSATION
                               FOR SERVICE                          INDEPENDENT     COMMITTEES OF   FOR SERVICES
                              AS DIRECTOR OR                         DIRECTORS/      INDEPENDENT         TO
                               TRUSTEE AND       FOR SERVICE AS     TRUSTEES AND    TRUSTEES AND       82 DEAN
                             COMMITTEE MEMBER     TRUSTEE AND          AUDIT            AUDIT          WITTER
                                OF 82 DEAN      COMMITTEE MEMBER   COMMITTEES OF    COMMITTEES OF     FUNDS AND
NAME OF                           WITTER          OF 14 TCW/DW     82 DEAN WITTER     14 TCW/DW       14 TCW/DW
INDEPENDENT TRUSTEE               FUNDS              FUNDS             FUNDS            FUNDS           FUNDS
- ---------------------------  ----------------   ----------------   --------------   -------------   -------------
<S>                          <C>                <C>                <C>              <C>             <C>
Michael Bozic..............      $138,850           --                 --               --            $138,850
Edwin J. Garn..............       140,900           --                 --               --             140,900
John R. Haire..............       106,400           $64,283           $195,450        $ 12,187         378,320
Dr. Manuel H. Johnson......       137,100            66,483            --               --             203,583
Michael E. Nugent..........       138,850            64,283            --               --             203,133
John L. Schroeder..........       137,150            69,083            --               --             206,233
</TABLE>
    
 
   
    As of the date of this Statement of Additional Information, 57 of the Dean
Witter Funds, not including the Fund, have adopted a retirement program under
which an Independent Trustee who retires after serving for at least five years
(or such lesser period as may be determined by the Board) as an Independent
Director or Trustee of any Dean Witter Fund that has adopted the retirement
program (each such Fund referred to as an "Adopting Fund" and each such Trustee
referred to as an "Eligible Trustee") is entitled to retirement payments upon
reaching the eligible retirement age (normally, after attaining age 72). Annual
payments are based upon length of service. Currently, upon retirement, each
Eligible Trustee is entitled to receive from the Adopting Fund, commencing as of
his or her retirement date and continuing for the remainder of his or her life,
an annual retirement benefit (the "Regular Benefit") equal to 25.0% of his or
her Eligible Compensation plus 0.4166666% of such Eligible Compensation for each
full month of service as an Independent Director or Trustee of any Adopting Fund
in excess of five years up to a maximum of 50.0% after ten years of service. The
foregoing percentages may be changed by the Board.(1) "Eligible Compensation" is
one-fifth of the total compensation earned by such Eligible Trustee for service
to the Adopting Fund in the five year period prior to the date of the Eligible
Trustee's retirement. Benefits under the retirement program are not secured or
funded by the Adopting Funds.
    
- ------------------------
   
(1) An Eligible Trustee may elect alternate payments of his or her retirement
    benefits based upon the combined life expectancy of such Eligible Trustee
    and his or her spouse on the date of such Eligible Trustee's retirement. The
    amount estimated to be payable under this method, through the remainder of
    the later of the lives of such Eligible Trustee and spouse, will be the
    actuarial equivalent of the Regular Benefit. In addition, the Eligible
    Trustee may elect that the surviving spouse's periodic payment of benefits
    will be equal to either 50% or 100% of the previous periodic amount, an
    election that, respectively, increases or decreases the previous periodic
    amount so that the resulting payments will be the actuarial equivalent of
    the Regular Benefit.
    
 
                                       12
<PAGE>
   
    The following table illustrates the retirement benefits accrued to the
Fund's Independent Trustees by the 57 Dean Witter Funds (not including the Fund)
for the year ended December 31, 1996, and the estimated retirement benefits for
the Fund's Independent Trustees, to commence upon their retirement, from the 57
Dean Witter Funds as of December 31, 1996.
    
 
   
                 RETIREMENT BENEFITS FROM ALL DEAN WITTER FUNDS
    
 
   
<TABLE>
<CAPTION>
                                                                                                             ESTIMATED
                                                                                               RETIREMENT     ANNUAL
                                                                                                BENEFITS     BENEFITS
                                                            ESTIMATED                          ACCRUED AS      UPON
                                                         CREDITED YEARS         ESTIMATED       EXPENSES    RETIREMENT
                                                          OF SERVICE AT       PERCENTAGE OF      BY ALL      FROM ALL
                                                           RETIREMENT           ELIGIBLE        ADOPTING     ADOPTING
NAME OF INDEPENDENT TRUSTEE                               (MAXIMUM 10)        COMPENSATION        FUNDS      FUNDS(2)
- -----------------------------------------------------  -------------------  -----------------  -----------  -----------
<S>                                                    <C>                  <C>                <C>          <C>
Michael Bozic........................................              10               50.0%       $  20,147    $  51,325
Edwin J. Garn........................................              10               50.0           27,772       51,325
John R. Haire........................................              10               50.0           46,952      129,550
Dr. Manuel H. Johnson................................              10               50.0           10,926       51,325
Michael E. Nugent....................................              10               50.0           19,217       51,325
John L. Schroeder....................................               8               41.7           38,700       42,771
</TABLE>
    
 
- ------------------------
   
(2) Based on current levels of compensation. Amount of annual benefits also
    varies depending on the Trustee's elections described in Footnote (1) above.
    
 
   
    As of the date of this Statement of Additional Information, the aggregate
number of shares of beneficial interest of the Fund owned by the Fund's officers
and Trustees as a group was less than 1 percent of the Fund's shares of
beneficial interest outstanding.
    
 
INVESTMENT PRACTICES AND POLICIES
- --------------------------------------------------------------------------------
 
    As stated in the Prospectus, the Fund seeks to achieve its investment
objective by investing in short-term, fixed-income securities with a
dollar-weighted average portfolio maturity of less than three years. In
calculating the maturity of certain of the Fund's securities (E.G., securities
with a demand feature), the Fund will utilize the provisions of Rule 2a-7 of the
Act.
 
    The maturity of a portfolio instrument shall be deemed to be the period
remaining (calculated from the trade date or such other date on which the Fund's
interest in the instrument is subject to market action) until the date noted on
the face of the instrument as the date on which the principal amount must be
paid, or in the case of an instrument called for redemption, the date on which
the redemption payment must be made, except that:
 
        (1) An instrument that is issued or guaranteed by the United States
    government or any agency thereof which has a variable rate of interest
    readjusted no less frequently than every 762 days shall be deemed to have a
    maturity equal to the period remaining until the next readjustment of the
    interest rate.
 
        (2) A variable rate instrument, the principal amount of which is
    scheduled on the face of the instrument to be paid in 397 calendar days or
    less shall be deemed to have a maturity equal to the period remaining until
    the next readjustment of the interest rate.
 
        (3) A variable rate instrument that is subject to a demand feature shall
    be deemed to have a maturity equal to the longer of the period remaining
    until the next readjustment of the interest rate or the period remaining
    until the principal amount can be recovered through demand.
 
        (4) A floating rate instrument that is subject to a demand feature shall
    be deemed to have a maturity equal to the period remaining until the
    principal amount can be recovered through demand.
 
                                       13
<PAGE>
        (5) A repurchase agreement shall be deemed to have a maturity equal to
    the period remaining until the date on which the repurchase of the
    underlying securities is scheduled to occur, or, where no date is specified,
    but the agreement is subject to a demand, the notice period applicable to a
    demand for the repurchase of the securities.
 
        (6) A portfolio lending agreement shall be treated as having a maturity
    equal to the period remaining until the date on which the loaned securities
    are scheduled to be returned, or where no date is specified, but the
    agreement is subject to demand, the notice period applicable to a demand for
    the return of the loaned securities.
 
    FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS.  The Fund may enter into
forward foreign currency exchange contracts ("forward contracts") as a hedge
against fluctuations in future foreign exchange rates. The Fund will conduct its
foreign currency exchange transactions either on a spot (i.e., cash) basis at
the spot rate prevailing in the foreign currency exchange market, or through
entering into forward contracts to purchase or sell foreign currencies. A
forward contract involves an obligation to purchase or sell a specific 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.
These contracts are traded in the interbank market conducted directly between
currency traders (usually large, commercial and investment banks) and their
customers. Such forward contracts will only be entered into with United States
banks and their foreign branches or foreign banks whose assets total $1 billion
or more. A forward contract generally has no deposit requirement, and no
commissions are charged at any stage for trades.
 
    When management of the Fund believes that the currency of a particular
foreign country may suffer a substantial movement against the U.S. dollar, it
may enter into a forward contract to purchase or 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 portfolio securities denominated in such
foreign currency.
 
    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 believes
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 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.
 
    In addition, when the Fund's Investment Manager anticipates 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,
 
                                       14
<PAGE>
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.
 
   
    The Fund will not enter into forward contracts or maintain a net exposure to
such contracts where the consummation of the contracts would obligate the Fund
to deliver an amount of foreign currency in excess of the value of the Fund's
portfolio securities or other assets denominated in that currency. Under normal
circumstances, consideration of the prospect for currency parities will be
incorporated into the longer term investment decisions made with regard to
overall diversification strategies. However, the management of the Fund believes
that it is important to have the flexibility to enter into such forward
contracts when it determines that the best interests of the Fund will be served.
The Fund's custodian bank will place cash, U.S. Government securities or other
liquid portfolio securities in a segregated account of the Fund in an amount
equal to the value of the Fund's total assets committed to the consummation of
forward contracts entered into under the circumstances set forth above. If the
value of the securities placed in the segregated account declines, additional
cash or securities will be placed in the account on a daily basis so that the
value of the account will equal the amount of the Fund's commitments with
respect to such contracts.
    
 
    Where, for example, the Fund is hedging a portfolio position consisting of
foreign securities denominated in a foreign currency against adverse exchange
rate moves vis-a-vis the U.S. dollar, at the maturity of the forward contract
for delivery by the Fund of a foreign currency, the Fund may either sell the
portfolio security and make delivery of the foreign currency, or it may retain
the security and terminate its contractual obligation to deliver the foreign
currency by purchasing an "offsetting" contract with the same currency trader
obligating it to purchase, on the same maturity date, the same amount of the
foreign currency (however, the ability of the Fund to terminate a contract is
contingent upon the willingness of the currency trader with whom the contract
has been entered into to permit an offsetting transaction). It is impossible to
forecast the market value of portfolio securities at the expiration of the
contract. Accordingly, it may be necessary for the Fund to purchase additional
foreign currency on the spot market (and bear the expense of such purchase) if
the market value of the security is less than the amount of foreign currency the
Fund is obligated to deliver and if a decision is made to sell the security and
make delivery of the foreign currency. Conversely, it may be necessary to sell
on the spot market some of the foreign currency received upon the sale of the
portfolio securities if its market value exceeds the amount of foreign currency
the Fund is obligated to deliver.
 
    If the Fund retains the portfolio securities and engages in an offsetting
transaction, the Fund will incur a gain or loss to the extent that there has
been movement in spot or forward contract prices. If the Fund engages in an
offsetting transaction, it may subsequently enter into a new forward contract to
sell the foreign currency. Should forward prices decline during the period
between the Fund's entering into a forward contract for the sale of a foreign
currency and the date it enters into an offsetting contract for the purchase of
the foreign currency, the Fund will realize a gain to the extent the price of
the currency it has agreed to sell exceeds the price of the currency it has
agreed to purchase. Should forward prices increase, the Fund will suffer a loss
to the extent the price of the currency it has agreed to purchase exceeds the
price of the currency it has agreed to sell.
 
    If the Fund purchases a fixed-income security which is denominated in U.S.
dollars but which will pay out its principal based upon a formula tied to the
exchange rate between the U.S. dollar and a foreign currency, it may hedge
against a decline in the principal value of the security by entering into a
forward contract to sell an amount of the relevant foreign currency equal to
some or all of the principal value of the security.
 
   
    At times when the Fund has written a call option on a security or the
currency in which it is denominated, it may wish to enter into a forward
contract to purchase or sell the foreign currency in which the security is
denominated. A forward contract would, for example, hedge the risk of the
security on which a call option has been written declining in value to a greater
extent than the value of the premium received for the option. The Fund will
maintain with its Custodian at all times, cash, U.S. Government securities, or
other appropriate liquid portfolio securities in a segregated account equal in
    
 
                                       15
<PAGE>
value to all forward contract obligations and option contract obligations
entered into in hedge situations such as this.
 
    Although the Fund values its assets daily in terms of U.S. dollars, it does
not intend to convert its holdings of foreign currencies into U.S. dollars on a
daily basis. It will, however, do so from time to time, and investors should be
aware of the costs of currency conversion. Although foreign exchange dealers do
not charge a fee for conversion, they do realize a profit based on the spread
between the prices at which they are buying and selling various currencies. Thus
a dealer may offer to sell a foreign currency to the Fund at one rate, while
offering a lesser rate of exchange should the Fund desire to resell that
currency to the dealer.
 
    In all of the above circumstances, if the currency in which the Fund
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. 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 (the "Code") requirements relating to qualifications
as a regulated investment company (see "Dividends, Distributions and Taxes").
The Fund has not and does not intend to, in the foreseeable future, enter into
forward contracts involving greater than 5% of its net assets.
 
    REPURCHASE AGREEMENTS.  When cash may be available for only a few days, it
may be invested by the Fund in repurchase agreements until such time as it may
otherwise be invested or used for payments of obligations of the Fund. A
repurchase agreement may be viewed as a type of secured lending by the Fund
which typically involves the acquisition by the Fund of government 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 ("collateral") at a specified price and at a fixed time in
the future, usually not more than seven days from the date of purchase. The
collateral will be maintained in a segregated account and will be marked to
market daily to determine that the full value of the collateral, as specified in
the agreement, does not decrease below the repurchase price plus accrued
interest. If such decrease occurs, additional collateral will be added to the
account to maintain full collateralization. In the event the original seller
defaults on its obligations to repurchase, as a result of its bankruptcy or
otherwise, the Fund will seek to sell the collateral, which action could involve
costs or delays. In such case, the Fund's ability to dispose of the collateral
to recover its investment may be restricted or delayed.
 
    The Fund will, when received, accrue interest from the institution until the
time when the repurchase is to occur. Although such date is deemed by the Fund
to be the maturity date of a repurchase agreement, the maturities of securities
subject to repurchase agreements are not subject to any limits and may exceed
one year.
 
    When repurchase agreements involve certain risks not associated with direct
investments in debt securities, each Fund follows procedures designed to
minimize such risks. Repurchase agreements will be transacted only with large,
well-capitalized and well-established financial institutions whose financial
condition will be continuously monitored by the Investment Manager subject to
procedures established by the Trustees. The procedures also require that the
collateral underlying the agreement be specified.
 
    WHEN-ISSUED AND DELAYED DELIVERY SECURITIES AND FORWARD COMMITMENTS.  As
discussed in the Prospectus, 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
 
                                       16
<PAGE>
   
basis--i.e., delivery and payment can take place a month or more after the date
of the transactions. The securities so purchased are subject to market
fluctuation and no interest accrues to the purchaser during this period. While
the Fund will only purchase securities on a when-issued, delayed delivery or
forward commitment basis with the intention of acquiring the securities, the
Fund may sell the securities before the settlement date, if it is deemed
advisable. At the time the Fund makes the commitment to purchase securities on a
when-issued or delayed delivery basis, the Fund will record the transaction and
thereafter reflect the value, each day, of such security in determining the net
asset value of the Fund. At the time of delivery of the securities, the value
may be more or less than the purchase price. The Fund will also establish a
segregated account with the Fund's custodian bank in which it will continuously
maintain cash or U.S. Government securities or other liquid portfolio securities
equal in value to commitments for such when-issued or delayed delivery
securities; subject to this requirement, the Fund may purchase securities on
such basis without limit. An increase in the percentage of the Fund's assets
committed to the purchase of securities on a when-issued or delayed delivery
basis may increase the volatility of the Fund's net asset value. The Investment
Manager and the Trustees do not believe that any Fund's net asset value or
income will be adversely affected by its purchase of securities on such basis.
    
 
    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. Generally, the effect of such a transaction is
that the Fund can recover all or most of the cash invested in the portfolio
securities involved during the term of the reverse repurchase agreement, while
it will be able to keep the interest income associated with those portfolio
securities. Such transactions are only advantageous if the interest cost to the
Fund of the reverse repurchase transaction is less than the cost of obtaining
the cash otherwise.
 
    The Fund may enter into dollar rolls in which the Fund sells securities for
delivery in the current month and simultaneously contracts to repurchase
substantially similar (same type and coupon) securities on a specified future
date. During the roll period, the Fund foregoes principal and interest paid on
the securities. The Fund is compensated by the difference between the current
sales price and the lower forward price for the future purchase (often referred
to as the "drop") as well as by the interest earned on the cash proceeds of the
initial sale.
 
   
    The Fund will establish a segregated account with its custodian bank in
which it will maintain cash, U.S. Government Securities or other liquid
portfolio securities equal in value to its obligations in respect of reverse
repurchase agreements and dollar rolls. 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. The Fund has not to date and does not intend to enter into reverse
repurchase agreements or dollar rolls in the foreseeable future.
    
 
    LENDING OF PORTFOLIO SECURITIES.  Consistent with applicable regulatory
requirements and subject to Investment Restriction (6) below, the Fund may lend
its portfolio securities to brokers, dealers and other financial institutions,
provided that such loans are callable at any time by the Fund, and are at all
times secured by cash or money market instruments, which are maintained in a
segregated account pursuant to applicable regulations and that are equal to at
least the market value, determined daily, of the loaned securities. The
advantage of such loans is that the Fund continues to receive the income on the
loaned securities while at the same time earning interest on the cash amounts
deposited as collateral, which will be invested in short-term obligations. The
Fund will not lend portfolio securities having a value of more than 10% of its
total assets.
 
                                       17
<PAGE>
    A loan may be terminated by the borrower on one business day's notice, or by
the Fund on four business days' notice. If the borrower fails to deliver the
loaned securities within four days after receipt of notice, the Fund could use
the collateral to replace the securities while holding the borrower liable for
any excess of replacement cost over collateral. As with any extensions of
credit, there are risks of delay in recovery and in some cases even loss of
rights in the collateral should the borrower of the securities fail financially.
However, these loans of portfolio securities will only be made of firms deemed
by the Fund's management to be creditworthy and when the income which can be
earned from such loans justifies the attendant risks. Upon termination of the
loan, the borrower is required to return the securities to the Fund. Any gain or
loss in the market price during the loan period will inure to the Fund.
 
    When voting or consent rights which accompany loaned securities pass to the
borrower, the Fund will follow the policy of calling the loaned securities, in
whole or in part as may be appropriate, to be delivered within one day after
notice, to permit the exercise of such rights if the matters involved would have
a material effect on the Fund's investment in such loaned securities. The Fund
will pay reasonable finder's, administrative and custodian fees in connection
with a loan of its securities. The Fund has not to date and does not intend to
lend any of its portfolio securities in the foreseeable future.
 
    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 or which are otherwise not
readily marketable. 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 above policy on purchase
of illiquid securities may be changed by the Fund's Trustees.
 
    The Securities and Exchange Commission has recently adopted Rule 144A under
the Securities Act of 1933, which will permit the Fund to sell restricted
securities to qualified institutional buyers without limitation. The Trustees of
the Fund have adopted procedures for the Investment Manager to utilize in
determining the liquidity of securities which may be sold pursuant to Rule 144A.
In addition, the Trustees have determined that, where such securities are
determined to be liquid under these procedures, investment in such securities by
the Fund shall not be subject to the 5% limitation referred to above. However,
the Fund has not to date and does not intend to purchase any restricted
securities in the foreseeable future.
 
    WARRANTS.  The Fund may acquire 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. Warrants are, in effect, an option 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. The Fund has not to date and does
not intend to acquire any warrants in the forseeable future.
 
    CONVERTIBLE SECURITIES.  Certain of the fixed-income securities purchased by
the Fund may be 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
 
                                       18
<PAGE>
convertible security will tend to fluctuate directly with the price of the
underlying equity security. Convertible securities may be purchased by the Fund
at varying price levels above their investment values and/or their conversion
values in keeping with the Fund's objective. The Fund has not to date and does
not intend to invest in any convertible securities in the foreseeable future.
 
OPTIONS AND FUTURES TRANSACTIONS
 
    The Fund may write covered call options against securities held in its
portfolio and covered put options on eligible portfolio securities and stock
indexes and purchase options of the same series to effect closing transactions,
and may hedge against potential changes in the market value of investments (or
anticipated investments) and facilitate the reallocation of the Fund's assets
into and out of equities and fixed-income securities by purchasing put and call
options on portfolio (or eligible portfolio) securities and engaging in
transactions involving futures contracts and options on such contracts. The Fund
may also hedge against potential changes in the market value of the currencies
in which its investments (or anticipated investments) are denominated by
purchasing put and call options on currencies and engage in transactions
involving currency futures contracts and options on such contracts. However, the
Fund has not to date and does not intend to enter into any options or futures
transactions in the foreseeable future.
 
    Call and put options on U.S. Treasury notes, bonds and bills and equity
securities are listed on Exchanges and are written in over-the-counter
transactions ("OTC options"). Listed options are issued by the Options Clearing
Corporation ("OCC") and other clearing entities including foreign exchanges.
Ownership of a listed call option gives the Fund the right to buy from the OCC
the underlying security covered by the option at the stated exercise price (the
price per unit of the underlying security) by filing an exercise notice prior to
the expiration date of the option. The writer (seller) of the option would then
have the obligation to sell to the OCC the underlying security at that exercise
price prior to the expiration date of the option, regardless of its then current
market price. Ownership of a listed put option would give the Fund the right to
sell the underlying security to the OCC at the stated exercise price. Upon
notice of exercise of the put option, the writer of the put would have the
obligation to purchase the underlying security from the OCC at the exercise
price.
 
    OPTIONS ON TREASURY BONDS AND NOTES.  Because trading in options written on
Treasury bonds and notes tends to center on the most recently auctioned issues,
the exchanges on which such securities trade will not continue indefinitely to
introduce options with new expirations to replace expiring options on particular
issues. Instead, the expirations introduced at the commencement of options
trading on a particular issue will be allowed to run their course, with the
possible addition of a limited number of new expirations as the original ones
expire. Options trading on each issue of bonds or notes will thus be phased out
as new options are listed on more recent issues, and options representing a full
range of expirations will not ordinarily be available for every issue on which
options are traded.
 
    OPTIONS ON TREASURY BILLS.  Because a deliverable Treasury bill changes from
week to week, writers of Treasury bill calls cannot provide in advance for their
potential exercise settlement obligations by acquiring and holding the
underlying security. However, if the Fund holds a long position in Treasury
bills with a principal amount of the securities deliverable upon exercise of the
option, the position may be hedged from a risk standpoint by the writing of a
call option. For so long as the call option is outstanding, the Fund will hold
the Treasury bills in a segregated account with its Custodian, so that they will
be treated as being covered.
 
    OPTIONS ON FOREIGN CURRENCIES.  The Fund may purchase and write options on
foreign currencies for purposes similar to those involved with investing in
forward foreign currency exchange contracts. For example, in order to protect
against declines in the dollar value of portfolio securities which are
denominated in a foreign currency, the Fund may purchase put options on an
amount of such foreign currency equivalent to the current value of the portfolio
securities involved. As a result, the Fund would be enabled to sell the foreign
currency for a fixed amount of U.S. dollars, thereby "locking in" the dollar
value of the portfolio securities (less the amount of the premiums paid for the
options). Conversely, the Fund may purchase call options on foreign currencies
in which securities it anticipates purchasing are
denomi-
 
                                       19
<PAGE>
nated to secure a set U.S. dollar price for such securities and protect against
a decline in the value of the U.S. dollar against such foreign currency. The
Fund may also purchase call and put options to close out written option
positions.
 
    The Fund may also write call options on foreign currency to protect against
potential declines in its portfolio securities which are denominated in foreign
currencies. If the U.S. dollar value of the portfolio securities falls as a
result of a decline in the exchange rate between the foreign currency in which a
security is denominated and the U.S. dollar, then a loss to the Fund occasioned
by such value decline would be ameliorated by receipt of the premium on the
option sold. At the same time, however, the Fund gives up the benefit of any
rise in value of the relevant portfolio securities above the exercise price of
the option and, in fact, only receives a benefit from the writing of the option
to the extent that the value of the portfolio securities falls below the price
of the premium received. The Fund may also write options to close out long call
option positions.
 
    The markets in foreign currency options are relatively new and the Fund's
ability to establish and close out positions on such options is subject to the
maintenance of a liquid secondary market. Although the Fund will not purchase or
write such options unless and until, in the opinion of the management of the
Fund, the market for them has developed sufficiently to ensure that the risks in
connection with such options are not greater than the risks in connection with
the underlying currency, there can be no assurance that a liquid secondary
market will exist for a particular option at any specific time. In addition,
options on foreign currencies are affected by all of those factors which
influence foreign exchange rates and investments generally.
 
    The value of a foreign currency option depends upon the value of the
underlying currency relative to the U.S. dollar. As a result, the price of the
option position may vary with changes in the value of either or both currencies
and have no relationship to the investment merits of a foreign security,
including foreign securities held in a "hedged" investment portfolio. Because
foreign currency transactions occurring in the interbank market involve
substantially larger amounts than those that may be involved in the use of
foreign currency options, investors may be disadvantaged by having to deal in an
odd lot market (generally consisting of transactions of less than $1 million)
for the underlying foreign currencies at prices that are less favorable than for
round lots.
 
    There is no systematic reporting of last sale information for foreign
currencies or any regulatory requirement that quotations available through
dealers or other market sources be firm or revised on a timely basis. Quotation
information available is generally representative of very large transactions in
the interbank market and thus may not reflect relatively smaller transactions
(i.e., less than $1 million) where rates may be less favorable. The interbank
market in foreign currencies is a global, around-the-clock market. To the extent
that the U.S. options markets are closed while the markets for the underlying
currencies remain open, significant price and rate movements may take place in
the underlying markets that are not reflected in the options market.
 
    OTC OPTIONS.  Exchange-listed options are issued by the OCC which assures
that all transactions in such options are properly executed. OTC options are
purchased from or sold (written) to dealers or financial institutions which have
entered into direct agreements with the Fund. With OTC options, such variables
as expiration date, exercise price and premium will be agreed upon between the
Fund and the transacting dealer, without the intermediation of a third party
such as the OCC. If the transacting dealer fails to make or take delivery of the
securities underlying an option it has written, in accordance with the terms of
that option, the Fund would lose the premium paid for the option as well as any
anticipated benefit of the transaction. The Fund will engage in OTC option
transactions only with primary U.S. Government securities dealers recognized by
the Federal Reserve Bank of New York.
 
    COVERED CALL WRITING.  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 aid in achieving its investment objective. Generally, a call
option is "covered" if the Fund owns, or has the right to acquire, without
additional cash consideration (or for additional cash consideration held for the
Fund by its Custodian in a segregated account) the underlying security
(currency) subject to the option except that in the case of
 
                                       20
<PAGE>
   
call options on U.S. Treasury Bills, the Fund might own U.S. Treasury Bills of a
different series from those underlying the call option, but with a principal
amount and value corresponding to the exercise price and a maturity date no
later than that of the securities (currency) deliverable under the call option.
A call option is also covered if the Fund holds a call on the same security
(currency) as the underlying security (currency) of the written option, where
the exercise price of the call used for coverage is equal to or less than the
exercise price of the call written or greater than the exercise price of the
call written if the mark to market difference is maintained by the Fund in cash,
U.S. Government securities or other liquid portfolio securities which the Fund
holds in a segregated account maintained with its Custodian.
    
 
    The Fund will receive from the purchaser, in return for a call it has
written, a "premium"; i.e., the price of the option. Receipt of these premiums
may better enable the Fund to achieve a greater total return than would be
realized from holding the underlying securities (currency) alone. Moreover, the
income received from the premium will offset a portion of the potential loss
incurred by the Fund if the securities (currency) underlying the option are
ultimately sold (exchanged) by the Fund at a loss. The premium received will
fluctuate with varying economic market conditions. If the market value of the
portfolio securities (or the currencies in which they are denominated) upon
which call options have been written increases, the Fund may receive less total
return from the portion of its portfolio upon which calls have been written than
it would have had such calls not been written.
 
    As regards listed options and certain OTC options, during the option period,
the Fund may be required, at any time, to deliver the underlying security
(currency) against payment of the exercise price on any calls it has written
(exercise of certain listed and OTC options may be limited to specific
expiration dates). This obligation is terminated upon the expiration of the
option period or at such earlier time when the writer effects a closing purchase
transaction. A closing purchase transaction is accomplished by purchasing an
option of the same series as the option previously written. However, once the
Fund has been assigned an exercise notice, the Fund will be unable to effect a
closing purchase transaction.
 
    Closing purchase transactions are ordinarily effected to realize a profit on
an outstanding call option to prevent an underlying security (currency) from
being called, to permit the sale of an underlying security (or the exchange of
the underlying currency) or to enable the Fund to write another call option on
the underlying security (currency) with either a different exercise price or
expiration date or both. Also, effecting a closing purchase transaction will
permit the cash or proceeds from the concurrent sale of any securities subject
to the option to be used for other investments by the Fund. The Fund may realize
a net gain or loss from a closing purchase transaction depending upon whether
the amount of the premium received on the call option is more or less than the
cost of effecting the closing purchase transaction. Any loss incurred in a
closing purchase transaction may be wholly or partially offset by unrealized
appreciation in the market value of the underlying security (currency).
Conversely, a gain resulting from a closing purchase transaction could be offset
in whole or in part or exceeded by a decline in the market value of the
underlying security (currency).
 
    If a call option expires unexercised, the Fund realizes a gain in the amount
of the premium on the option less the commission paid. Such a gain, however, may
be offset by depreciation in the market value of the underlying security
(currency) during the option period. If a call option is exercised, the Fund
realizes a gain or loss from the sale of the underlying security (currency)
equal to the difference between the purchase price of the underlying security
(currency) and the proceeds of the sale of the security (currency) plus the
premium received for on the option less the commission paid.
 
    Options written by a Fund normally have expiration dates of from up to nine
months (equity securities) to eighteen months (fixed-income securities) from the
date written. The exercise price of a call option may be below, equal to or
above the current market value of the underlying security (currency) at the time
the option is written. See "Risks of Options and Futures Transactions," below.
 
    COVERED PUT WRITING.  As a writer of a covered put option, the Fund incurs
an obligation to buy the security underlying the option from the purchase of the
put, at the option's exercise price at any time during the option period, at the
purchaser's election (certain listed and OTC put options written by the Fund
will be exercisable by the purchaser only on a specific date). A put is
"covered" if, at all times, the
 
                                       21
<PAGE>
   
Fund maintains, in a segregated account maintained on its behalf at the Fund's
Custodian, cash, U.S. Government securities or other liquid portfolio securities
in an amount equal to at least the exercise price of the option, at all times
during the option period. Similarly, a short put position could be covered by
the Fund by its purchase of a put option on the same security as the underlying
security of the written option, where the exercise price of the purchased option
is equal to or more than the exercise price of the put written or less than the
exercise price of the put written if the mark to market difference is maintained
by the Fund in cash, U.S. Government securities or other liquid portfolio
securities which the Fund holds in a segregated account maintained at its
Custodian. In writing puts, the Fund assumes the risk of loss should the market
value of the underlying security decline below the exercise price of the option
(any loss being decreased by the receipt of the premium on the option written).
In the case of listed options, during the option period, the Fund may be
required, at any time, to make payment of the exercise price against delivery of
the underlying security. The operation of and limitations on covered put options
in other respects are substantially identical to those of call options.
    
 
    The Fund will write put options for two purposes: (1) to receive the income
derived from the premiums paid by purchasers; and (2) when the Investment
Manager wishes to purchase the security underlying the option at a price lower
than its current market price, in which case it will write the covered put at an
exercise price reflecting the lower purchase price sought. The potential gain on
a covered put option is limited to the premium received on the option (less the
commissions paid on the transaction) while the potential loss equals the
difference between the exercise price of the option and the current market price
of the underlying securities when the put is exercised, offset by the premium
received (less the commissions paid on the transaction).
 
    PURCHASING CALL AND PUT OPTIONS.  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 in order to close out a covered call position (see
"Covered Call Writing" above) or purchase call options on securities they intend
to purchase. The Fund may also purchase a call option on foreign currency to
hedge against an adverse exchange rate move 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 purchase of the call option to
effect a closing transaction or a call written over-the-counter may be a listed
or an OTC option. In either case, the call purchased is likely to be on the same
securities (currencies) and have the same terms as the written option. If
purchased over-the-counter, the option would generally be acquired from the
dealer or financial institution which purchased the call written by the Fund.
 
    The Fund may purchase put options on securities (currency) which it holds
(or has the right to acquire) in its portfolio only to protect itself against a
decline in the value of the security (currency). If the value of the underlying
security (currency) were to fall below the exercise price of the put purchased
in an amount greater than the premium paid for the option, the Fund would incur
no additional loss. The Fund may also purchase put options to close out written
put positions in a manner similar to call options closing purchase transactions.
In addition, the Fund may sell a put option which it has previously purchased
prior to the sale of the securities (currency) underlying such option. Such a
sale would result in a net gain or loss depending on whether the amount received
on the sale is more or less than the premium and other transaction costs paid on
the put option which is sold. Any such gain or loss could be offset in whole or
in part by a change in the market value of the underlying security (currency).
If a put option purchased by the Fund expired without being sold or exercised,
the premium would be lost.
 
    RISKS OF OPTIONS TRANSACTIONS.  During the option period, the covered call
writer has, in return for the premium on the option, given up the opportunity
for capital appreciation above the exercise price should the market price of the
underlying security (or the currency in which it is denominated) increase, but
has retained the risk of loss should the price of the underlying security
(currency) decline. The covered put writer also retains the risk of loss should
the market value of the underlying security (currency) decline below the
exercise price of the option less the premium received on the sale of the
option. In both cases, the writer has no control over the time when it may be
required to fulfill its obligation as a writer of the option. Once an option
writer has received an exercise notice, it cannot effect
 
                                       22
<PAGE>
a closing purchase transaction in order to terminate its obligation under the
option and must deliver or receive the underlying securities (currency) at the
exercise price.
 
   
    Prior to exercise or expiration, an option position can only be terminated
by entering into a closing purchase or sale transaction. If a covered call
option writer is unable to effect a closing purchase transaction or to purchase
an offsetting over-the-counter option, it cannot sell the underlying security
until the option expires or the option is exercised. Accordingly, a covered call
option writer may not be able to sell (exchange) an underlying security
(currency) at a time when it might otherwise be advantageous to do so. A covered
put option writer who is unable to effect a closing purchase transaction or to
purchase an offsetting over-the-counter option would continue to bear the risk
of decline in the market price of the underlying security (currency) until the
option expires or is exercised. In addition, a covered put writer would be
unable to utilize the amount held in cash or U.S. Government or other liquid
portfolio securities as security for the put option for other investment
purposes until the exercise or expiration of the option.
    
 
    The Fund's ability to close out its position as a writer of an option is
dependent upon the existence of a liquid secondary market on option Exchanges.
There is no assurance that such a market will exist, particularly in the case of
OTC options, as such options will generally only be closed out by entering into
a closing purchase transaction with the purchasing dealer. However, the Fund may
be able to purchase an offsetting option which does not close out its position
as a writer but constitutes an asset of equal value to the obligation under the
option written. If the Fund is not able to either enter into a closing purchase
transaction or purchase an offsetting position, it will be required to maintain
the securities subject to the call, or the collateral underlying the put, even
though it might not be advantageous to do so, until a closing transaction can be
entered into (or the option is exercised or expires).
 
    Among the possible reasons for the absence of a liquid secondary market on
an Exchange are: (i) insufficient trading interest in certain options; (ii)
restrictions on transactions imposed by an Exchange; (iii) trading halts,
suspensions or other restrictions imposed with respect to particular classes or
series of options or underlying securities; (iv) interruption of the normal
operations on an Exchange; (v) inadequacy of the facilities of an Exchange or
the Options Clearing Corporation ("OCC") to handle current trading volume; or
(vi) a decision by one or more Exchanges to discontinue the trading of options
(or a particular class or series of options), in which event the secondary
market on that Exchange (or in that class or series of options) would cease to
exist, although outstanding options on that Exchange that had been issued by the
OCC as a result of trades on that Exchange would generally continue to be
exercisable in accordance with their terms.
 
    Exchanges limit the amount by which the price of a future contract 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. In the event of adverse price movements, the Fund would continue to
be required to make daily cash payments of variation margin on open futures
positions. In such situations, if the Fund has insufficient cash, it may have to
sell portfolio securities to meet daily variation margin requirements at a time
when it may be disadvantageous to do so. In addition, the Fund may be required
to take or make delivery of the instruments underlying interest rate futures
contracts it holds at a time when it is disadvantageous to do so. The inability
to close out options and futures positions could also have an adverse impact on
the Fund's ability to effectively hedge its portfolio.
 
    In the event of the bankruptcy of a broker through which the Fund engages in
transactions in options, futures or options thereon, the Fund could experience
delays and/or losses in liquidating open positions purchased or sold through the
broker and/or incur a loss of all or part of its margin deposits with the
broker. Similarly, in the event of the bankruptcy of the writer of an OTC option
purchased by the Fund, the Fund could experience a loss of all or part of the
value of the option. Transactions are entered into by the Fund only with brokers
or financial institutions deemed creditworthy by the Investment Manager.
 
                                       23
<PAGE>
    Each of the Exchanges has established limitations governing the maximum
number of call or put options on the same underlying security or futures
contract (whether or not covered) which may be written by a single investor,
whether acting alone or in concert with others (regardless of whether such
options are written on the same or different Exchanges or are held or written on
one or more accounts or through one or more brokers). An Exchange may order the
liquidation of positions found to be in violation of these limits and it may
impose other sanctions or restrictions. These position limits may restrict the
number of listed options which the Fund may write.
 
    While the futures contracts and options transactions to be engaged in by the
Fund for the purpose of hedging the Fund's portfolio securities are not
speculative in nature, there are risks inherent in the use of such instruments.
One such risk which may arise in employing futures contracts to protect against
the price volatility of portfolio securities is that the prices of securities
and indexes subject to futures contracts (and thereby the futures contract
prices) may correlate imperfectly with the behavior of the cash prices of the
Fund's portfolio securities. Another such risk is that prices of interest rate
futures contracts may not move in tandem with the changes in prevailing interest
rates against which the Fund seeks a hedge. A correlation may also be distorted
by the fact that the futures market is dominated by short-term traders seeking
to profit from the difference between a contract or security price objective and
their cost of borrowed funds. Such distortions are generally minor and would
diminish as the contract approached maturity.
 
    The hours of trading for options may not conform to the hours during which
the underlying securities are traded. To the extent that the option markets
close before the markets for the underlying securities, significant price and
rate movements can take place in the underlying markets that cannot be reflected
in the option markets.
 
    FUTURES CONTRACTS.  The Fund may purchase and sell interest rate and index
futures contracts ("futures contracts") that are traded on U.S. and foreign
commodity exchanges on such underlying securities as U.S. Treasury bonds, notes
and bills ("interest rate" figures), on the U.S. dollar and foreign currencies,
and such indexes as the S&P 500 Index, Moody's Investment-Grade Corporate Bond
Index and the New York Stock Exchange Composite Index ("index" futures).
 
    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 will purchase or sell interest rate futures contracts and bond
index futures contracts for the purpose of hedging its fixed-income portfolio
(or anticipated portfolio) securities against changes in prevailing interest
rates. If the Investment Manager anticipates that interest rates may rise and,
concomitantly, the price of fixed-income securities fall, the Fund may sell an
interest rate futures contract or a bond index futures contract. If declining
interest rates are anticipated, the Fund may purchase an interest rate futures
contract to protect against a potential increase in the price of U.S. Government
securities the Fund intends to purchase. Subsequently, appropriate fixed-income
securities may be purchased by the Fund in an orderly fashion; as securities are
purchased, corresponding futures positions would be terminated by offsetting
sales of contracts.
 
    The Fund will purchase or sell futures contracts on the U.S. dollar and on
foreign currencies to hedge against an anticipated rise or decline in the value
of the U.S. dollar or foreign currency in which a portfolio security of the Fund
is denominated vis-a-vis another currency.
 
    The Fund will purchase or sell index futures contracts for the purpose of
hedging its portfolio (or anticipated portfolio) securities against changes in
their prices. If the Investment Manager anticipates that the prices of
securities held by the Fund may fall, the Fund may sell an appropriate index
futures contract. Conversely, if the Investment Manager wishes to hedge against
anticipated price rises in those securities which the Fund intends to purchase,
the Fund may purchase an index futures contracts. In addition, interest rate and
index futures contracts will be bought or sold in order to close out a short or
long position in a corresponding futures contract.
 
                                       24
<PAGE>
    Although most interest rate futures contracts call for actual delivery or
acceptance of securities, the contracts usually are closed out before the
settlement date without the making or taking of delivery. Index futures
contracts provide for the delivery of an amount of cash equal to a specified
dollar amount times the difference between the stock index value at the open or
close of the last trading day of the contract and the futures contract price. A
futures contract sale is closed out by effecting a futures contract purchase for
the same aggregate amount of the specific type of equity security and the same
delivery date. If the sale price exceeds the offsetting purchase price, the
seller would be paid the difference and would realize a gain. If the offsetting
purchase price exceeds the sale price, the seller would pay the difference and
would realize a loss. Similarly, a futures contract purchase is closed out by
effecting a futures contract sale for the same aggregate amount of the specific
type of equity security and the same delivery date. If the offsetting sale price
exceeds the purchase price, the purchaser would realize a gain, whereas if the
purchase price exceeds the offsetting sale price, the purchaser would realize a
loss. There is no assurance that the Fund will be able to enter into a closing
transaction.
 
   
    INTEREST RATE FUTURES CONTRACTS.  When the Fund enters into an interest rate
futures contract, it is initially required to deposit with the Fund's Custodian,
in a segregated account in the name of the broker performing the transaction, an
"initial margin" of cash or U.S. Government securities or other liquid portfolio
securities equal to approximately 2% of the contract amount. Initial margin
requirements are established by the Exchanges on which futures contracts trade
and may, from time to time, change. In addition, brokers may establish margin
deposit requirements in excess of those required by the Exchanges.
    
 
    Initial margin in futures transactions is different from margin in
securities transactions in that initial margin does not involve the borrowing of
funds by a brokers' client but is, rather, a good faith deposit on the futures
contract which will be returned to the Fund upon the proper termination of the
futures contract. The margin deposits made are marked to market daily and the
Fund may be required to make subsequent deposits called "variation margin", with
the Fund's Custodian, in the account in the name of the broker, which are
reflective of price fluctuations in the futures contract. Currently, interest
rates futures contracts can be purchased on debt securities such as U.S.
Treasury Bills and Bonds, U.S. Treasury Notes with maturities between 6 1/2 and
10 years, GNMA Certificates and Bank Certificates of Deposit.
 
    INDEX FUTURES CONTRACTS.  The Fund may invest in index futures contracts. An
index futures contract sale creates an obligation by the Fund, as seller, to
deliver cash at a specified future time. An index futures contract purchase
would create an obligation by the Fund, as purchaser, to take delivery of cash
at a specified future time. Futures contracts on indexes do not require the
physical delivery of securities, but provide for a final cash settlement on the
expiration date which reflects accumulated profits and losses credited or
debited to each party's account.
 
    The Fund is required to maintain margin deposits with brokerage firms
through which it effects index futures contracts in a manner similar to that
described above for interest rate futures contracts. Currently, the initial
margin requirement is approximately 5% of the contract amount for index futures.
In addition, due to current industry practice, daily variations in gains and
losses on open contracts are required to be reflected in cash in the form of
variation margin payments. The Fund may be required to make additional margin
payments during the term of the contract.
 
    At any time prior to expiration of the futures contract, the Fund may elect
to close the position by taking an opposite position which will operate to
terminate the Fund's position in the futures contract. A final determination of
variation margin is then made, additional cash is required to be paid by or
released to the Fund and the Fund realizes a loss or a gain.
 
    Currently, index futures contracts can be purchased or sold with respect to,
among others, the Standard & Poor's 500 Stock Price Index and the Standard &
Poor's 100 Stock Price Index on the Chicago Mercantile Exchange, the New York
Stock Exchange Composite Index on the New York Futures Exchange, the Major
Market Index on the American Stock Exchange, the Moody's Investment-Grade
Corporate Bond Index on the Chicago Board of Trade and the Value Line Stock
Index on the Kansas City Board of Trade.
 
                                       25
<PAGE>
    OPTIONS ON FUTURES CONTRACTS.  The Fund may purchase and write call and put
options on futures contracts and enter into closing transactions with respect to
such options to terminate an existing position. An option on a futures contract
gives the purchaser the right (in return for the premium paid), and the writer
the obligation, to assume a position in a futures contract (a long position if
the option is a call and a short position if the option is a put) at a specified
exercise price at any time during the term of the option. Upon exercise of the
option, the delivery of the futures position by the writer of the option to the
holder of the option is accompanied by delivery of the accumulated balance in
the writer's futures margin account, which represents the amount by which the
market price of the futures contract at the time of exercise exceeds, in the
case of a call, or is less than, in the case of a put, the exercise price of the
option on the futures contract.
 
    The Fund will purchase and write options on futures contracts for identical
purposes to those set forth above for the purchase of a futures contract
(purchase of a call option or sale of a put option) and the sale of a futures
contract (purchase of a put option or sale of a call option), or to close out a
long or short position in futures contracts. If, for example, the Investment
Manager wished to protect against an increase in interest rates and the
resulting negative impact on the value of a portion of its fixed-income
portfolio, it might write a call option on an interest rate futures contract,
the underlying security of which correlates with the portion of the portfolio
the Investment Manager seeks to hedge. Any premiums received in the writing of
options on futures contracts may, of course, augment the total return of the
Fund and thereby provide a further hedge against losses resulting from price
declines in portions of the Fund's portfolio.
 
    The writer of an option on a futures contract is required to deposit initial
and variation margin pursuant to requirements similar to those applicable to
futures contracts. Premiums received from the writing of an option on a futures
contract are included in initial margin deposits.
 
    LIMITATIONS ON FUTURES CONTRACTS AND OPTIONS ON FUTURES.  The Fund may not
enter into futures contracts or purchase related options thereon if, immediately
thereafter, the amount committed to margin plus the amount paid for premiums for
unexpired options on futures contracts exceeds 5% of the value of the Fund's
total assets, after taking into account unrealized gains and unrealized losses
on such contracts it has entered into, provided, however, that in the case of an
option that is in-the-money (the exercise price of the call (put) option is less
(more) than the market price of the underlying security) at the time of
purchase, the in-the-money amount may be excluded in calculating the 5%.
However, there is no overall limitation on the percentage of the Fund's assets
which may be subject to a hedge position. In addition, in accordance with the
regulations of the Commodity Futures Trading Commission ("CFTC") under which the
Fund is exempted from registration as a commodity pool operator, the Fund may
only enter into futures contracts and options on futures contracts transactions
for purposes of hedging a part or all of its portfolio. If the CFTC changes its
regulations so that the Fund would be permitted to write options on futures
contracts for purposes other than hedging the Fund's investments without CFTC
registration, the Fund may engage in such transactions for those purposes.
Except as described above, there are no other limitations on the use of futures
and options thereon by the Fund.
 
    RISKS OF TRANSACTIONS IN FUTURES CONTRACTS AND RELATED OPTIONS.  The Fund
may sell a futures contract to protect against the decline in the value of
securities held by the Fund. However, it is possible that the futures market may
advance and the value of the securities held in the portfolio of the Fund may
decline. If this occurred, the Fund would lose money on the futures contract and
also experience a decline in value of its portfolio securities. However, while
this could occur for a very brief period or to a very small degree, over time
the value of a diversified portfolio will tend to move in the same direction as
the futures contracts.
 
    If the Fund purchases a futures contract to hedge against the increase in
value of securities it intends to buy, and the value of such securities
decreases, then the Fund may determine not to invest in the securities as
planned and will realize a loss on the futures contract that is not offset by a
reduction in the price of the securities.
 
                                       26
<PAGE>
   
    In addition, if the Fund holds a long position in a futures contract or has
sold a put option on a futures contract, it will hold cash, U.S. Government
securities or other liquid portfolio securities equal to the purchase price of
the contract or the exercise price of the put option (less the amount of initial
or variation margin on deposit) in a segregated account maintained for the Fund
by its Custodian. Alternatively, the Fund could cover its long position by
purchasing a put option on the same futures contract with an exercise price as
high or higher than the price of the contract held by the Fund.
    
 
   
    If the Fund maintains a short position in a futures contract or has sold a
call option on a futures contract, it will cover this position by holding, in a
segregated account maintained at its Custodian, cash, U.S. Government securities
or other liquid portfolio securities equal in value (when added to any initial
or variation margin on deposit) to the market value of the securities underlying
the futures contract or the exercise price of the option. Such a position may
also be covered by owning the securities underlying the futures contract (in the
case of a stock index futures contract a portfolio of securities substantially
replicating the relevant index), or by holding a call option permitting the Fund
to purchase the same contract at a price no higher than the price at which the
short position was established.
    
 
    Exchanges may limit the amount by which the price of 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.
 
    The extent to which the Fund may enter into transactions involving options
and futures contracts may be limited by the Code's requirements for
qualification as a regulated investment company and the Fund's intention to
qualify as such. See "Dividends, Distributions and Taxes" in the Prospectus and
the Statement of Additional Information.
 
    There may exist an imperfect correlation between the price movements of
futures contracts purchased by the Fund and the movements in the prices of the
securities which are the subject of the hedge. If participants in the futures
market elect to close out their contracts through offsetting transactions rather
than meet margin deposit requirements, distortions in the normal relationship
between the debt securities and futures markets could result. Price distortions
could also result if investors in futures contracts opt to make or take delivery
of underlying securities rather than engage in closing transactions due to the
resultant reduction in the liquidity of the futures market. In addition, due to
the fact that, from the point of view of speculators, the deposit requirements
in the futures markets are less onerous than margin requirements in the cash
market, increased participation by speculators in the futures market could cause
temporary price distortions. Due to the possibility of price distortions in the
futures market and because of the imperfect correlation between movements in the
prices of securities and movements in the prices of futures contracts, a correct
forecast of interest rate trends by the Investment Manager may still not result
in a successful hedging transaction.
 
    There is no assurance that a liquid secondary market will exist for futures
contracts and related options in which the Fund may invest. In the event a
liquid market does not exist, it may not be possible to close out a futures
position, and in the event of adverse price movements, the Fund would continue
to be required to make daily cash payments of variation margin. In addition,
limitations imposed by an exchange or board of trade on which futures contracts
are traded may compel or prevent the Fund from closing out a contract which may
result in reduced gain or increased loss to the Fund. The absence of a liquid
market in futures contracts might cause the Fund to make or take delivery of the
underlying securities at a time when it may be disadvantageous to do so.
 
    Compared to the purchase or sale of futures contracts, the purchase of call
or put options on futures contracts involves less potential risk to the Fund
because the maximum amount at risk is the premium paid for the options (plus
transaction costs). However, there may be circumstances when the purchase of a
call or put option on a futures contract would result in a loss to the Fund
notwithstanding that the purchase or sale of a futures contract would not result
in a loss, as in the instance where there is no movement in the prices of the
futures contract or underlying securities.
 
                                       27
<PAGE>
    The Investment Manager has 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.
 
PORTFOLIO TURNOVER
 
    It is anticipated that the Fund's portfolio turnover rate will not exceed
100%. A 100% turnover rate would occur, for example, if 100% of the securities
held in the Fund's portfolio (excluding all securities whose maturities at
acquisition were one year or less) were sold and replaced within one year.
 
INVESTMENT RESTRICTIONS
- --------------------------------------------------------------------------------
 
    In addition to the investment restrictions enumerated in the Prospectus, the
investment restrictions listed below have been adopted by the fund as
fundamental policies, except as otherwise indicated. Under 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. Such a
majority is defined as the lesser of (a) 67% or more of the shares present at a
meeting of shareholders, if the holders of 50% of the outstanding shares of the
Fund are present or represented by proxy or (b) more than 50% of the outstanding
shares of the Fund.
 
    The Fund may not:
 
        1.  Purchase or sell real estate or interests therein, although the fund
    may purchase securities of issuers which engage in real estate operations
    and securities secured by real estate or interests therein.
 
        2.  Purchase oil, gas or other mineral leases, rights or royalty
    contracts or exploration or development programs, except that the Fund may
    invest in the securities of companies which operate, invest in, or sponsor
    such programs.
 
        3.  With the exception of reverse repurchase agreements and dollar
    rolls, borrow money, except that the Fund may borrow from a bank for
    temporary or emergency purposes in amounts not exceeding 5% (taken at the
    lower of cost or current value) of its total assets (not including the
    amount borrowed).
 
        4.  Pledge its assets or assign or otherwise encumber them except to
    secure borrowings effected within the limitations set forth in restriction
    (3). For the purpose of this restriction, collateral arrangements with
    respect to the writing of options and collateral arrangements with respect
    to initial or variation margin for futures are not deemed to be pledges of
    assets.
 
        5.  Issue senior securities as defined in the Act, except insofar as the
    Fund may be deemed to have issued a senior security by reason of (a)
    entering into any repurchase or reverse repurchase agreement or dollar roll;
    (b) purchasing any securities on a when-issued or delayed delivery basis;
    (c) purchasing or selling futures contracts, forward foreign exchange
    contracts or options; (d) borrowing money in accordance with restrictions
    described above; or (e) lending portfolio securities.
 
        6.  Make loans of money or securities, except: (a) by the purchase of
    publicly distributed debt obligations in which the Fund may invest
    consistent with its investment objective and policies; (b) by investment in
    repurchase agreements; or (c) by lending its portfolio securities.
 
        7.  Make short sales of securities.
 
        8.  Purchase securities on margin, except for such short-term loans as
    are necessary for the clearance of portfolio securities. The deposit or
    payment by the Fund of initial or variation margin in connection with
    futures contracts or related options thereon is not considered the purchase
    of a security on margin.
 
                                       28
<PAGE>
        9.  Engage in the underwriting of securities, except insofar as the Fund
    may be deemed an underwriter under the Securities Act of 1933 in disposing
    of a portfolio security.
 
        10. Invest for purposes of exercising control or management of any other
    issuer.
 
        11. Purchase securities of other investment companies, except in
    connection with a merger, consolidation, reorganization or acquisition of
    assets or in accordance with the provisions of Section 12(d) of the Act and
    any Rules promulgated thereunder.
 
        12. Purchase or sell commodities or commodities contracts except that
    the Fund may purchase or sell futures contracts or options on futures.
 
    In addition, as a nonfundamental policy, the Fund may not invest in
securities of any issuer if, to the knowledge of the Fund, any officer or
trustee of the Fund or any officer or director of the Investment Manager owns
more than 1/2 of 1% of the outstanding securities of such issuer, and such
officers, trustees and directors who own more than 1/2 of 1% own in the
aggregate more than 5% of the outstanding securities of such issuers.
 
    If a percentage restriction is adhered to at the time of investment, a later
increase or decrease in percentage resulting from a change in values of
portfolio securities or amount of total or net assets will not be considered a
violation of any of the foregoing restrictions.
   
    Notwithstanding any other investment policy or restriction, the Fund may
seek to achieve its investment objective by investing all or substantially all
of its assets in another investment company having substantially the same
investment objective and policies as the Fund.
    
 
PORTFOLIO TRANSACTIONS AND BROKERAGE
- --------------------------------------------------------------------------------
   
    The Investment Manager is responsible for decisions to buy and sell
securities and commodities for the Fund, the selection of brokers and dealers to
effect the transactions, and the negotiation of brokerage commissions, if any.
The Fund expects that the primary market for the securities in which it intends
to invest will generally be the over-the-counter market. Securities are
generally traded in the over-the-counter market on a "net" basis with dealers
acting as principal for their own accounts without charging a stated commission,
although the price of the security usually includes a profit to the dealer.
Options and futures transactions will usually be effected through a broker and a
commission will be charged. The Fund also expects that securities will be
purchased at times in underwritten offerings where the price includes a fixed
amount of compensation, generally referred to as the underwriter's concession or
discount. On occasion, the Fund may also purchase certain money market
instruments directly from an issuer, in which case no commissions or discounts
are paid. The Fund paid no brokerage commissions during the fiscal year ended
April 30, 1997.
    
    The Investment Manager currently serves as investment manager to a number of
clients, including other investment companies, and may in the future act as
investment manager or adviser to others. It is the practice of the Investment
Manager to cause purchase and sale transactions to be allocated among the Fund
and others whose assets it manages in such manner as it deems equitable. In
making such allocations among the Fund and other client accounts, various
factors may be considered, including the respective investment objectives, the
relative size of portfolio holdings of the same or comparable securities, the
availability of cash for investment, the size of investment commitments
generally held and the opinion of the persons responsible for managing the
portfolios of the Fund and other client accounts. In the case of certain initial
and secondary offerings, the Investment Manager may utilize a pro-rata
allocation process based on the size of the Dean Witter Funds involved and the
number of shares available from the public offering.
 
    The policy of the Fund, regarding purchases and sales of securities is that
primary consideration be given to obtaining the most favorable prices and
efficient execution of transactions. In seeking to implement the Fund's
policies, the Investment Manager effects transactions with those brokers and
dealers who the Investment Manager believes provide the most favorable prices
and are capable of providing efficient executions. If the Investment Manager
believes such price and executions are
obtain-
 
                                       29
<PAGE>
able from more than one broker or dealer, it may give consideration to placing
portfolio transactions with those brokers and dealers who also furnish research
and other services to the Fund or the Investment Manager. Although the Fund may
purchase securities from brokers or dealers acting as principal, who also
provide research for the advisor, it will not pay a mark-up in consideration for
such services. Such services may include, but are not limited to, any one or
more of the following: information as to the availability of securities for
purchase or sale; statistical or factual information or opinions pertaining to
investment; wire services; and appraisals or evaluations of portfolio
securities.
 
    The information and services received by the Investment Manager from brokers
and dealers may be of benefit to the Investment Manager in the management of
accounts of some of its other clients and may not, in every case, benefit the
Fund directly. While the receipt of such information and services is useful in
varying degrees and would generally reduce the amount of research or services
otherwise performed by the Investment Manager and thereby reduce its expenses,
it is of indeterminable value and the Fund will not reduce the management fee it
pays to the Investment Manager by any amount that may be attributable to the
value of such services.
 
    Pursuant to an order of the Securities and Exchange Commission, the Fund may
effect principal transactions in certain money market instruments with DWR. The
Fund will limit its transactions with DWR to U.S. Government and Government
Agency Securities, Bank Money Instruments (i.e. Certificates of Deposit and
Bankers' Acceptances) and Commercial Paper. Such transactions will be effected
with DWR only when the price available from DWR is better than that available
from other dealers.
 
    Consistent with the policy described above, brokerage transactions in
securities and commodities listed on exchanges or admitted to unlisted trading
privileges may be effected through DWR. In order for DWR to effect portfolio
transactions for the Fund, the commissions, fees or other remuneration received
by DWR must be reasonable and fair compared to the commissions, fees or other
remuneration paid to other brokers in connection with comparable transactions
involving similar securities being purchased or sold on an exchange during a
comparable period of time. This standard would allow DWR to receive no more than
the remuneration which would be expected to be received by an unaffiliated
broker in a commensurate arms-length transaction. Furthermore, the Trustees of
the Fund, including a majority of the Trustees who are not "interested"
Trustees, have adopted procedures which are reasonably designed to provide that
any commissions, fees or other remuneration paid to DWR are consistent with the
foregoing standard.
 
   
    At April 30, 1997, the Fund held 7.625% bonds, maturing 7/15/99 of Lehman
Brothers Holdings, Inc., which issuer was among the ten broker-dealers with whom
the Fund transacted principal transactions in the largest amounts, with a market
value of $1,016,390.
    
 
PURCHASE OF FUND SHARES
- --------------------------------------------------------------------------------
 
   
    As discussed in the Prospectus, the Fund offers its shares for sale to the
public through Dean Witter Distributors Inc. (the "Distributor"), on a
continuous basis at an offering price equal to the net asset value per share
next determined following receipt of any order without a sales charge. (See the
Prospectus-- "Purchase of Fund Shares"). The Distributor, a Delaware
corporation, is an indirect wholly-owned subsidiary of MSDWD. In addition, the
Distributor has entered into selected broker-dealer agreements with DWR and
other dealers ("Selected Broker-Dealers") pursuant to which shares of the Fund
are sold. The Trustees of the Fund, including a majority of the Trustees who are
not, and were not at the time they voted, interested persons of the Fund, as
defined in the Act (the "Independent Trustees"), approved, at their meeting held
on April 24, 1997, the current Distribution Agreement appointing the Distributor
exclusive distributor of the Fund's shares and providing for the Distributor to
bear distribution expenses not borne by the Fund. By its terms, the Distribution
Agreement has an initial term ending April 30, 1998, and provides that it will
continue from year to year thereafter if approved by the Board. The current
Distribution Agreement took effect on May 31, 1997 upon the consummation of the
merger of Dean Witter, Discover & Co. with Morgan Stanley Group Inc. and is
substantially identical to the Fund's prior Distribution Agreement except for
its dates of effectiveness and termination.
    
 
                                       30
<PAGE>
    The Distributor will bear all expenses it may incur in providing services
under the Distribution Agreement. Such expenses include the payment of
commissions for sales of the Fund's shares and incentive compensation to account
executives. The Distributor will also pay certain expenses in connection with
the distribution of the shares of the Fund, including the costs of preparing,
printing and distributing advertising or promotional materials, and the costs of
printing and distributing prospectuses and supplements thereto used in
connection with the offering and sale of the Fund's shares. The Fund bears the
costs of initial typesetting, printing and distribution of prospectuses and
supplements thereto to shareholders. The Fund also will bear the costs of
registering the Fund and its shares under federal and state securities laws. The
Fund and the Distributor have agreed to indemnify each other against certain
liabilities, including liabilities under the Securities Act of 1933, as amended.
Under the Distribution Agreement, the Distributor uses its best efforts in
rendering services to the Fund, but in the absence of willful misfeasance, bad
faith, gross negligence or reckless disregard of its obligations, the
Distributor is not liable to the Fund or any of its shareholders for any error
of judgment or mistake of law or for any act or omission or for any losses
sustained by the Fund or its shareholders.
 
PLAN OF DISTRIBUTION
 
    The Fund has adopted a Plan of Distribution pursuant to Rule 12b-1 under the
Act (the "Plan") whereby the Distributor or any of its affiliates, including
InterCapital, is authorized to utilize their own resources to finance certain
activities in connection with the distribution of shares of the Fund. The Plan
was approved by the Trustees and by InterCapital as the Fund's sole shareholder
on December 2, 1993, whereupon the Plan went into effect. The vote of the
Trustees, which was cast in person at a meeting called for the purpose of voting
on such Plan, included a majority of the Trustees who are not and were not at
the time of their voting interested persons of the Fund and who have and had at
the time of their votes no direct or indirect financial interest in the
operation of the Plan (the "Independent 12b-1 Trustees"). In making their
decision to adopt the Plan, the Trustees requested from the Distributor and
received such information as they deemed necessary to make an informed
determination as to whether or not adoption of the Plan was in the best
interests of the shareholders of the Fund. After due consideration of the
information received, the Trustees, including the Independent 12b-1 Trustees,
determined that adoption of the Plan would benefit the shareholders of the Fund.
 
    The Plan provides that the Fund authorizes the Distributor or any of its
affiliates, including InterCapital, to bear the expense of all promotional and
distribution related activities on behalf of the Fund. Among the activities and
services which may be provided under the Plan are: (1) compensation to and
expenses of account executives and other employees of the Distributor and other
Selected Broker-Dealers including overhead and telephone expenses; (2) sales
incentives and bonuses to sales representatives and to marketing personnel in
connection with promoting sales of the Fund's shares; (3) expenses incurred in
connection with promoting sales of the Fund's shares; (4) preparing and
distributing sales literature; and (5) providing advertising and promotional
activities, including direct mail solicitation and television, radio, newspaper,
magazine and other media advertisements.
 
    Pursuant to the Selected Broker-Dealer Agreements between the Distributor
and DWR and other Selected Broker-Dealers, the account executives of DWR and
other Selected Broker-Dealers may be paid an annual fee based upon the current
value of the respective accounts for which they are the account executives of
record. The fee also reflects a payment made for expenses associated with the
servicing of shareholder's accounts, including the expenses of operating branch
offices in connection with the servicing of shareholder's accounts, which
expenses include lease costs, the salaries and employee benefits of operations
and sales support personnel, utility costs, communications costs and the costs
of stationery and supplies and other expenses relating to branch office
servicing of shareholder accounts.
 
    Under the Plan, the Distributor uses its best efforts in rendering services
to the Fund, but in the absence of willful misfeasance, bad faith, gross
negligence or reckless disregard of its obligations, the Distributor is not
liable to the Fund or any of its shareholders for any error of judgment or
mistake of law or for any act or omission or for any losses sustained by the
Fund or its shareholders.
 
                                       31
<PAGE>
    Under the Plan, the Distributor provides the Fund, for review by the
Trustees, and the Trustees review, promptly after the end of each fiscal
quarter, a written report regarding the distribution expenses incurred by the
Distributor of the Fund during such fiscal quarter, which report includes (1) an
itemization of the types of expenses and the purposes therefor; (2) the amounts
of such expenses; and (3) a description of the benefits derived by the Fund. In
the Trustees' quarterly review of the Plan they will consider its continued
appropriateness.
 
   
    The Plan had an initial term ending April 30, 1995, and will remain in
effect from year to year thereafter, provided such continuance is approved
annually by a vote of the Trustees, including a majority of the Independent
12b-1 Trustees. Assumption by the Fund of any distribution expenses under the
Plan must be approved by the shareholders, and all material amendments to the
Plan must be approved by the Trustees in the manner described above. The Plan
may be terminated at any time, without payment of any penalty, by vote of the
holders of a majority of the Independent 12b-1 Trustees or by a vote of a
majority of the outstanding voting securities (as defined in the Act) on not
more than 30 days written notice to any other party to the Plan. So long as the
Plan is in effect, the selection or nomination of the Independent 12b-1 Trustees
is committed to the discretion of the Independent 12b-1 Trustees. At their
meeting held on April 24, 1997, the Trustees of the Fund, including all of the
Independent 12b-1 Trustees, approved the most recent continuance of the Plan for
an additional year until April 30, 1998.
    
 
    No interested person of the Fund nor any Trustee of the Fund who is not an
interested person of the Fund, as defined in the Act, has any direct or indirect
financial interest in the operation of the Plan except to the extent that the
Distributor or certain of its employees may be deemed to have such an interest
as a result of benefits derived from the successful operation of the Plan or as
a result of receiving a portion of the amounts expended thereunder by the
Distributor or any of its affiliates, including InterCapital.
 
DETERMINATION OF NET ASSET VALUE
 
    As stated in the Prospectus, short-term 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. Other short-term debt securities will be valued on a
mark-to-market basis until such time as they reach a remaining maturity of sixty
days, whereupon they will be valued at amortized cost using their value on the
61st day 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. All other securities and other assets are valued
at their fair value as determined in good faith under procedures established by
and under the supervision of the Trustees.
 
    As discussed in the Prospectus, the net asset value per share of the Fund is
determined once daily on each day that the New York Stock Exchange is open. The
net asset value per share will not be determined on such federal and non-federal
holidays as are observed by the New York Stock Exchange. The New York Stock
Exchange currently observes the following holidays: New Year's Day; Presidents'
Day; Good Friday; Memorial Day; Independence Day; Labor Day; Thanksgiving Day;
and Christmas Day.
 
SHAREHOLDER SERVICES
- --------------------------------------------------------------------------------
 
    Upon the purchase of shares of the Fund, a Shareholder Investment Account is
opened for the investor on the books of the Fund and maintained by the Fund's
Transfer Agent, Dean Witter Trust Company (the "Transfer Agent"). This is an
open account in which shares owned by the investor are credited by the Transfer
Agent in lieu of issuance of a share certificate. If a share certificate is
desired, it must be requested in writing for each transaction. Certificates are
issued only for full shares and may be redeposited in the account at any time.
There is no charge to the investor for issuance of a certificate. Whenever a
shareholder instituted transaction takes place in the Shareholder Investment
Account, the
 
                                       32
<PAGE>
shareholder will be mailed a confirmation of the transaction from the Fund or
from DWR or other selected broker-dealer.
 
    INVESTMENT OF DIVIDENDS OR DISTRIBUTIONS RECEIVED IN CASH.  As discussed in
the Prospectus, any shareholder who receives a cash payment representing a
dividend or capital gains distribution may invest such dividend or distribution
at net asset value (without sales charge), next determined by returning the
check or the proceeds to the Transfer Agent within 30 days after the payment
date. If the shareholder returns the proceeds of a dividend or distribution,
such funds must be accompanied by a signed statement indicating that the
proceeds constitute a dividend or distribution to be invested. Such investment
will be made at the net asset value per share next determined after receipt of
the check or proceeds by the Transfer Agent.
 
    AUTOMATIC INVESTMENT OF DIVIDENDS AND DISTRIBUTIONS.  As stated in the
Prospectus, all income dividends and capital gains distributions are
automatically paid in full and fractional shares of the Fund, unless the
shareholder requests that they be paid in cash. Each purchase of shares of the
Fund is made upon the condition that the Transfer Agent is thereby automatically
appointed as agent of the investor to receive all dividends and capital gains
distributions on shares owned by the investor. Such dividends and distributions
will be paid, at the net asset value per share, in shares of the Fund (or in
cash if the shareholder so requests) on the monthly payment date, which will be
no later than the last business day of the month for which the dividend or
distribution is payable. Processing of dividend checks begins immediately
following the monthly payment date. Shareholders who have requested to receive
dividends in cash will normally receive their monthly dividend check during the
first ten days of the following month. At any time an investor may request the
Transfer Agent, in writing, to have subsequent dividends and/or capital gains
distributions paid to him or her in cash rather than shares. To assure
sufficient time to process the change, such request should be received by the
Transfer Agent at least five business days prior to the record date of the
dividend or distribution. In the case of recently purchased shares for which
registration instructions have not been received on the record date, cash
payments will be made to DWR or other selected broker-dealer, and will be
forwarded to the shareholder, upon the receipt of proper instructions.
 
    TARGETED DIVIDENDS.-SM-  In states where it is legally permissible,
shareholders may also have all income dividends and capital gains distributions
automatically invested in shares of an open-end Dean Witter Fund other than Dean
Witter Short-Term Bond Fund. Such investment will be made as described above for
automatic investment in shares of the Fund, at the net asset value per share of
the selected Dean Witter Fund as of the close of business on the payment date of
the dividend or distribution and will begin to earn dividends, if any, in the
selected Dean Witter Fund the next business day. To participate in the Targeted
Dividends program, shareholders should contact their DWR or other selected
broker-dealer account executive or the Transfer Agent. Shareholders of the Fund
must be shareholders of the Dean Witter Fund targeted to receive investments
from dividends at the time they enter the Targeted Dividends program. Investors
should review the prospectus of the targeted Dean Witter Fund before entering
the program.
 
    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. Shares purchased through EasyInvest will be added to the shareholder's
existing account at the net asset value calculated the same business day the
transfer of funds is effected. For further information or to subscribe to
EasyInvest, shareholders should contact their DWR or other selected
broker-dealer account executive or the Transfer Agent.
 
    SYSTEMATIC WITHDRAWAL PLAN.  As discussed in the Prospectus, a 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 offering price. The 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.
 
                                       33
<PAGE>
    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.
 
    Each withdrawal constitutes a redemption of shares and any gain or loss
realized must be recognized for federal income, and generally, state and local
tax purposes.
 
    Dividends and capital gains distributions on shares held under the
Systematic Withdrawal Plan will be invested in additional full and fractional
shares at net asset value (without a sales charge). Shares will be credited to
an open account for the investor by the Transfer Agent; no share certificates
will be issued. Only shareholders having accounts in which no share certificates
have been issued will be permitted to enroll in the Withdrawal Plan. A
shareholder is entitled to a share certificate upon written request to the
Transfer Agent, although in that event the shareholder's Systematic Withdrawal
Plan will be terminated.
 
    The Transfer Agent acts as agent for the shareholder in tendering to the
Fund for redemption sufficient full and fractional shares to provide the amount
of the periodic withdrawal payment designated in the application. The shares
will be redeemed at their net asset value determined, at the shareholder's
option on the tenth or twenty-fifth day (or next following business day) of the
relevant month or quarter and normally a check for the proceeds will be mailed
by the Transfer Agent within five business days after the date of redemption.
The Withdrawal Plan may be terminated at any time by the Fund.
 
    Any shareholder who wishes to have payments under the Withdrawal Plan made
to a third party or sent to an address other than the one listed on the account
must send complete written instructions to the Transfer Agent to enroll in the
Withdrawal Plan. The shareholder's signature on such instructions must be
guaranteed by an eligible guarantor acceptable to the Transfer Agent
(shareholders should contact the Transfer Agent for a determination as to
whether a particular institution is such an eligible guarantor). A shareholder
may, at any time change the amount and interval of withdrawal payments and the
address to which checks are mailed by written notification to the Transfer
Agent. The shareholder's signature on such notification must be guaranteed by an
eligible guarantor as described above. The shareholder may also terminate the
Systematic Withdrawal Plan at any time by written notice to the Transfer Agent.
In the event of such termination, the account will be continued as a Shareholder
Investment Account. The shareholder may also redeem all or part of the shares
held in the Systematic Withdrawal Plan account (see "Redemptions and
Repurchases" in the Prospectus) at any time.
 
    DIRECT INVESTMENTS THROUGH TRANSFER AGENT.  As discussed in the Prospectus,
a shareholder may make additional investments in Fund shares at any time through
the Shareholder Investment Account by sending a check in any amount, not less
than $100, payable to Dean Witter Short-Term Bond Fund, directly to the Fund's
Transfer Agent. The investment proceeds will be applied to the purchase of
shares of the Fund at the net asset value per share next computed after receipt
of the check or purchase payment by the Transfer Agent. The shares so purchased
will be credited to the investor's account.
 
    EXCHANGE PRIVILEGE.  As discussed in the Prospectus, an Exchange Privilege
exists whereby investors who have purchased shares of any of the Dean Witter
Funds sold with either a front-end (at time of purchase) sales charge ("FESC
funds") or a contingent deferred (at time of redemption) sales charge ("CDSC
funds") will be permitted, after the shares of the fund acquired by purchase
(not by exchange or dividend reinvestment) have been held for thirty days, to
redeem all or part of their shares in that fund and have the proceeds invested
in shares of the Fund, Dean Witter Limited Term Municipal Trust, Dean Witter
Short-Term Treasury Trust, Dean Witter Intermediate Term U.S. Treasury Trust,
Dean Witter Balanced Income Fund, Dean Witter Balanced Growth Fund and five Dean
Witter Funds which are money market funds (the foregoing eleven non-CDSC funds
are hereinafter referred to as the "Exchange Funds"). There is no waiting period
for exchanges of shares acquired by exchange or dividend reinvestment.
Subsequently, shares of the Exchange Funds received in an exchange for shares of
an FESC fund (regardless of the type of fund originally purchased) may be
redeemed and exchanged for shares of the Exchange Funds, FESC funds or CDSC
funds (however, shares of CDSC funds, including shares acquired in exchange of
(i) shares of FESC funds or (ii) shares of the Exchange Funds which were
acquired in exchange for shares of FESC funds, may not be exchanged for shares
of FESC funds).
 
                                       34
<PAGE>
Additionally, shares of the Exchange Funds received in an exchange for shares of
a CDSC fund (regardless of the type of fund originally purchased) may be
redeemed and exchanged for shares of the Exchange Funds or CDSC funds.
Ultimately, any applicable contingent deferred sales charge ("CDSC") will have
to be paid upon redemption of shares originally purchased from a CDSC fund. An
exchange will be treated for federal income tax purposes and applicable state
income tax purposes the same as a repurchase or redemption of shares, on which
the shareholder may realize a capital gain or loss.
 
    Any new account established through the Exchange Privilege will have the
same registration and cash dividend or dividend reinvestment plan as the present
account, unless the Transfer Agent receives written notification to the
contrary. For telephone exchanges, the exact registration of the existing
account and the account number must be provided.
 
    Any shares held in certificate form cannot be exchanged but must be
forwarded to the Transfer Agent and deposited into the shareholder's account
before being eligible for exchange. (Certificates mailed in for deposit should
not be endorsed.)
 
    When shares of any CDSC fund are exchanged for shares of the Exchange Funds,
the exchange is executed at no charge to the shareholder, without the imposition
of the CDSC at the time of the exchange. During the period of time the
shareholder remains in the Exchange Funds (calculated from the last day of the
month in which the Exchange Fund shares were acquired), the holding period or
"year since purchase payment made" is frozen. When shares are redeemed out of
the Exchange Fund, they will be subject to a CDSC which would be based upon the
period of time the shareholder held shares in a CDSC fund. Shareholders
acquiring shares of an Exchange Fund pursuant to this exchange privilege may
exchange those shares back into a CDSC fund from the Exchange Funds, with no
CDSC being imposed on such exchange. The holding period previously frozen when
shares were first exchanged for shares of the Exchange Fund resumes on the last
day of the month in which shares of a CDSC fund are reacquired. Thus, a CDSC is
imposed only upon an ultimate redemption, based upon the time (calculated as
described above) the shareholder was invested in a CDSC fund. Shares of a CDSC
fund acquired in exchange for shares of an FESC fund (or in exchange for shares
of other Dean Witter funds for which shares of an FESC fund have been exchanged)
are not subject to any CDSC upon their redemption.
 
    When shares initially purchased in a CDSC fund are exchanged for shares of
another CDSC fund or for shares of an Exchange Fund, the date of purchase of the
shares of the fund exchanged into, for purposes of the CDSC upon redemption,
will be the last day of the month in which the shares being exchanged were
originally purchased. In allocating the purchase payments between funds for
purposes of the CDSC, the amount which represents the current net asset value of
shares at the time of the exchange which were (i) purchased more than three or
six years (depending on the CDSC schedule applicable to the shares) prior to the
exchange, (ii) originally acquired through reinvestment of dividends or
distributions and (iii) acquired in exchange for shares of FESC funds, or for
shares of other Dean Witter Funds for which shares of FESC funds have been
exchanged (all such shares called "Free Shares"), will be exchanged first.
Shares of Dean Witter American Value Fund acquired prior to April 30, 1984,
shares of Dean Witter Dividend Growth Securities Inc. and Dean Witter Natural
Resource Development Securities Inc. acquired prior to July 2, 1984, and shares
of Dean Witter Strategist Fund acquired prior to November 8, 1989 are also
considered Free Shares and will be the first Free Shares to be exchanged. After
an exchange, all dividends earned on shares in the Fund or the money market fund
will be considered Free Shares. If the exchanged amount exceeds the value of
such Free Shares, an exchange is made, on a block-by-block basis, of non-Free
Shares held for the longest period of time (except that if shares held for
identical periods of time but subject to different CDSC schedules are held in
the same Exchange Privilege Account, the shares of that block that are subject
to the lower CDSC rate will be exchanged prior to the shares of that block that
are subject to a higher CDSC rate). Shares equal to any appreciation in the
value of non-Free Shares exchanged will be treated as Free Shares, and the
amount of the purchase payments for the non-Free Shares of the fund exchanged
into will be equal to the lesser of (a) the purchase payments for, or (b) the
current net asset value of, the exchanged non-Free Shares. If an exchange
between funds would result in exchange of only part of a particular block of
non-
 
                                       35
<PAGE>
   
Free Shares, then shares equal to any appreciation in the value of the block (up
to the amount of the exchange) will be treated as Free Shares and exchanged
first, and the purchase payment for that block will be allocated on a prorata
basis between the non-Free Shares of that block to be retained and the non-Free
Shares to be exchanged. The prorated amount of such purchase payment
attributable to the retained non-Free Shares will remain as the purchase payment
for such shares, and the amount of purchase payment for the exchanged non-Free
Shares will be equal to the lesser of (a) the prorated amount of the purchase
payment for, or (b) the current net asset value of, those exchanged non-Free
Shares. Based upon the procedures described in the CDSC fund Prospectus under
the caption "Contingent Deferred Sales Charge," any applicable CDSC will be
imposed upon the ultimate redemption of shares of any fund, regardless of the
number of exchanges since those shares were originally purchased.
    
 
    With respect to exchanges, redemptions or repurchases, the Transfer Agent
shall be liable for its own negligence and not for the default or negligence of
its correspondents or for losses in transit. The Fund shall not be liable for
any default or negligence of the Transfer Agent, the Distributor or any Selected
Broker-Dealer.
 
    The Distributor and any Selected Broker-Dealer have authorized and appointed
the Transfer Agent to act as their agent in connection with the application of
proceeds of any redemption of Fund shares to the purchase of shares of any other
fund and the general administration of the Exchange Privilege. No commission or
discounts will be paid to the Distributor or any Selected Broker-Dealer for any
transactions pursuant to this Exchange Privilege.
 
   
    Exchanges are subject to the minimum investment requirement and any other
conditions imposed by each fund. (The minimum initial investment is $5,000 for
Dean Witter Liquid Asset Fund Inc., Dean Witter Tax-Free Daily Income Trust,
Dean Witter New York Municipal Money Market Trust and Dean Witter California
Tax-Free Daily Income Trust, although those funds may, at their discretion,
accept initial investments of as low as $1,000. The minimum initial investment
is $5,000 for Dean Witter Special Value Fund. The minimum initial investment for
Dean Witter Short-Term U.S. Treasury Trust is $10,000, although that fund, in
its discretion, may accept initial investments of as low as $5,000. The minimum
initial investment for all other Dean Witter Funds for which the Exchange
Privilege is available is $1,000.) Upon exchange into an Exchange Fund, the
shares of that fund will be held in a special Exchange Privilege Account
separately from accounts of those shareholders who have acquired their shares
directly from that fund. As a result, certain services normally available to
shareholders of Dean Witter Short-Term U.S. Treasury or money market funds,
including the check writing feature, will not be available for funds held in
that account.
    
 
    The Fund and each of the other Dean Witter Funds may limit the number of
times this Exchange Privilege may be exercised by any investor within a
specified period of time. Also, the Exchange Privilege may be terminated or
revised at any time by the fund and/or any of the Dean Witter Funds for which
shares of the Fund have been exchanged, upon such notice as may be required by
applicable regulatory agencies (presently sixty days' prior written notice for
termination or material revision), provided that six months' prior written
notice of termination will be given to the shareholders who hold shares of
Exchange Funds, pursuant to this Exchange Privilege and provided further that
the Exchange Privilege may be terminated or materially revised without notice at
times (a) when the New York Stock Exchange is closed for other than customary
weekends and holidays, (b) when trading on that Exchange is restricted, (c) when
an emergency exists as a result of which disposal by the Fund of securities
owned by it is not reasonably practicable or it is not reasonably practicable
for the Fund fairly to determine the value of its net assets, (d) during any
other period when the Securities and Exchange Commission by order so permits
(provided that applicable rules and regulations of the Securities and Exchange
Commission shall govern as to whether the conditions prescribed in (b) or (c)
exist) or (e) if the Fund would be unable to invest amounts effectively in
accordance with its investment objective, policies and restrictions.
 
    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 may be
exchanged, upon such notice as may be
 
                                       36
<PAGE>
required by applicable regulatory agencies (presently sixty days' prior written
notice for termination or material revision), provided that six months' prior
notice of termination will be given to shareholders who hold shares of Exchange
Funds pursuant to the Exchange Privilege, and provided further that the Exchange
Privilege may be terminated or materially revised without notice under certain
unusual circumstances. 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 of the Dean Witter Funds describes its
investment objective(s) and policies. Shareholders should obtain a copy and read
it carefully before investing. Exchange 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, not 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 will 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.
 
    For further information regarding the Exchange Privilege, shareholders
should contact their account executives or the Transfer Agent.
 
REDEMPTIONS AND REPURCHASES
- --------------------------------------------------------------------------------
 
    PAYMENT FOR SHARES REDEEMED OR REPURCHASED.  As discussed in the Prospectus,
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. The term "good order" means that the share
certificate, if any, and request for redemption, are properly signed,
accompanied by any documentation required by the Transfer Agent, and bear
signature guarantees when required by the Fund or the Transfer Agent. Such
payment may be postponed or the right of redemption suspended at times (a) when
the New York Stock Exchange is closed for other than customary weekends and
holidays, (b) when trading on that Exchange is restricted, (c) when an emergency
exists as a result of which disposal by the Fund of securities owned by it is
not reasonably practicable or it is not reasonably practicable for the Fund
fairly to determine the value of its net assets, or (d) during any period when
the Securities and Exchange Commission by order so permits; provided that
applicable rules and regulations of the Securities and Exchange Commission shall
govern as to whether the conditions prescribed in (b) or (c) exist.
 
    INVOLUNTARY REDEMPTION.  As described in the Prospectus, due to the
relatively high cost of handling small investments, the Fund reserves the right
to redeem, at net asset value, the shares of any shareholder whose shares have a
value of less than $100, or such lesser amount as may be fixed by the Board of
Trustees. 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 $100 and allow him or her 60 days to make an additional investment in
an amount which will increase the value of his or her account to $100 or more
before the redemption is processed.
 
    REINSTATEMENT PRIVILEGE.  As discussed in the Prospectus, a shareholder who
has had his or her shares redeemed or repurchased and has not previously
exercised this reinstatement privilege may, within 30 days after the redemption
or repurchase, reinstate any portion or all of the proceeds of such redemption
or repurchase in shares of the Fund held by the shareholder at the net asset
value next determined after a reinstatement request, together with the proceeds,
is received by the Transfer Agent.
 
    Exercise of the reinstatement privilege will not affect the federal income
tax and state income tax treatment of any gain or loss realized upon the
redemption or repurchase, except that if the redemption or repurchase resulted
in a loss and reinstatement is made in shares of the Fund, some or all of the
loss,
 
                                       37
<PAGE>
depending on the amount reinstated, will not be allowed as a deduction for
federal income tax and state personal income tax purposes but will be applied to
adjust the cost basis of the shares acquired upon reinstatement.
 
DIVIDENDS, DISTRIBUTIONS AND TAXES
- --------------------------------------------------------------------------------
 
    The Fund intends to qualify and elect to be treated as a regulated
investment company for each taxable year under the Internal Revenue Code of
1986, as amended (the "Code"). To so qualify, the Fund must meet certain
requirements as to the nature of its income and the nature of its assets.
 
    As a regulated investment company, the Fund will not be subject to United
States federal income tax on its income that it distributes to its shareholders,
provided that an amount equal to at least 90% of its investment company taxable
income (i.e., 90% of its taxable income minus the excess, if any, of its net
realized long-term capital gains over its net realized short-term capital losses
including any capital loss carryovers), plus or minus certain other adjustments
as specified in section 852 of the Code) for the taxable year is distributed,
but will be subject to tax at regular corporate rates on any income or gains
that it does not distribute. Furthermore, the Fund will be subject to a United
States corporate income tax with respect to such distributed amounts in any year
that it fails to qualify as a regulated investment company or fails to meet this
distribution requirement.
 
    The Fund will determine either to distribute or to retain all or part of any
net long-term capital gains in any year for reinvestment. If any such gains are
retained, the Fund expects to designate such retained amounts as undistributed
capital gains in a notice to its shareholders who (a) will be required to
include in income for United States federal income tax purposes, as long-term
capital gains, their proportionate shares of the undistributed amount, (b) will
be entitled to credit their proportionate shares of the 35% tax paid by the Fund
on the undistributed amount against their United States federal income tax
liabilities, if any, and to claim refunds to the extent their credits exceed
their liabilities, if any, and (c) will be entitled to increase their tax basis,
for United States federal income tax purposes, in their shares by an amount
equal to 65% of the amount of undistributed capital gains included in the
shareholder's income.
 
    The Code imposes a 4% nondeductible excise tax on the Fund to the extent the
Fund does not distribute by the end of any calendar year at least 98% of its net
investment income for that year and 98% of the net amount of its capital gains
(both long-and short-term) for the one-year period ending, as a general rule, on
October 31 of that year. For this purpose, however, any income or gain retained
by the Fund that is subject to corporate income tax will be considered to have
been distributed by year-end. The Fund anticipates that it will pay such
dividends and will make such distributions as are necessary in order to avoid
the application of this tax.
 
    Gains or losses on sales of securities by the Fund will generally be
long-term capital gains or losses if the securities have been held by the Fund
for more than twelve months. Gains or losses on the sale of securities held for
twelve months or less will be generally short-term gains or losses.
 
    Gains or losses on the Fund's transactions in certain listed options on
securities and on futures and options on futures traded on U.S. exchanges
generally are treated as 60% long-term gain or loss and 40% short-term gain or
loss. When the Fund engages in options and futures transactions, various tax
regulations applicable to the Fund may have the effect of causing the Fund to
recognize a gain or loss for tax purposes before that gain or loss is realized,
or to defer recognition of a realized loss for tax purposes. Recognition, for
tax purposes, of an unrealized loss may result in a lesser amount of the Fund's
realized net gains being available for distribution.
 
    As a regulated investment company, the Fund is subject to the requirement
that less than 30% of its gross income be derived from the sale of certain
investments held for less than three months. This requirement may limit the
Fund's ability to engage in options and futures transactions and to engage in a
large number of short-term transactions.
 
                                       38
<PAGE>
    The Fund may invest in securities having original issue discount which may
generate income in excess of the cash received by the Fund. Consequently, the
Fund may be required to borrow or to liquidate securities in order to make
distributions.
 
    Any dividend or capital gains distribution received by a shareholder from
any investment company will have the effect of reducing the net asset value of
the shareholder's stock in that company by the exact amount of the dividend or
capital gains distribution. Furthermore, capital gains distributions and
dividends are subject to federal income taxes. If the net asset value of the
shares should be reduced below a shareholder's cost as a result of the payment
of dividends or the distribution of realized net long-term capital gains, such
payment or distribution would be in part a return of the shareholder's
investment to the extent of such reduction below the shareholder's cost, but
nonetheless would be fully taxable. Therefore, an investor should consider the
tax implications of purchasing Fund shares immediately prior to a distribution
record date.
 
    Distributions in excess of the Fund's current and accumulated earnings and
profits will, as to each shareholder, be treated as a tax-free return of
capital, to the extent of a shareholder's basis in his shares of the Fund, and
as a capital gain thereafter (if the shareholder held his or her shares of the
Fund as capital assets).
 
    Shareholders receiving dividends or distributions in the form of additional
Fund shares should be treated for United States federal income tax purposes as
receiving a distribution in an amount equal to the amount of money that the
shareholders receiving cash dividends or distributions will receive, and should
have a cost basis in the shares received equal to such amount.
 
    Any loss realized on the redemption by a shareholder of his shares will be
disallowed to the extent the shares disposed of are replaced, including
replacement through the reinvesting of dividends and capital gains distributions
in the Fund, within a period (of 61 days) beginning 30 days before and ending 30
days after the disposition of the shares. In such a case, the basis of the
shares acquired will be increased to reflect the disallowed loss. Any loss
realized by a shareholder on the sale of a Fund share held by the shareholder
for six months or less will be treated for United States income tax purposes as
a long-term capital loss to the extent of any distributions or deemed
distributions of long-term capital gains received by the shareholder with
respect to such share.
 
    Distributions may also be subject to state, local and foreign taxes
depending on each shareholder's particular situation.
 
    SPECIAL RULES FOR CERTAIN FOREIGN CURRENCY TRANSACTIONS.  In general, gains
from foreign currencies and from foreign currency options, foreign currency
futures and forward foreign exchange contracts relating to investments in stock,
securities or foreign currencies are currently considered to be qualifying
income for purposes of determining whether the Fund qualifies as a regulated
investment company. It is currently unclear, however, who will be treated as the
issuer of certain foreign currency instruments or how foreign currency options,
futures, or forward foreign currency contracts will be valued for purposes of
the regulated investment company diversification requirements applicable to the
Fund. The Fund may request a private letter ruling from the Internal Revenue
Service on some or all of these issues.
 
    Under Code Section 988, special rules are provided for certain transactions
in a foreign currency other than the taxpayer's functional currency (I.E.,
unless certain special rules apply, currencies other than the U.S. dollar). In
general, foreign currency gains or losses from forward contracts, from futures
contracts that are not "regulated futures contracts," and from unlisted options
will be treated as ordinary income or loss under Code Section 988. Also, certain
foreign exchange gains or losses derived with respect to foreign fixed-income
securities are also subject to Section 988 treatment. In general, therefore,
Code Section 988 gains or losses will increase or decrease the amount of the
Fund's investment company taxable income available to be distributed to
shareholders as ordinary income, rather than increasing or decreasing the amount
of the Fund's net capital gain. Additionally, if Code Section 988 losses exceed
other investment company taxable income during a taxable year, the Fund may not
be
 
                                       39
<PAGE>
able to make any ordinary dividend distributions and distributions paid during
the year may be characterized for tax purposes as a return of capital.
 
    Exchange control regulations may restrict repatriations of investment income
and capital or the proceeds of securities sales by foreign investors such as the
Fund and may limit the Fund's ability to pay sufficient dividends and to make
sufficient distributions to satisfy the 90% and excise tax distribution
requirements.
 
    The Fund's transactions, if any, in foreign currencies, forward contracts,
options and futures contracts (including options and futures contracts on
foreign currencies) may be subject to special provisions of the Code that, among
other things, may affect the character of gains and losses realized by the Fund
(i.e., may affect whether gains or losses are ordinary or capital), accelerate
recognition of income to the Fund and defer Fund losses. These rules could
therefore affect the character, amount and timing of distributions to
shareholders. These rules also (a) could require the Fund to mark-to-market
certain types of the positions in its portfolio (i.e., treat them as they were
closed out) and (b) may cause the Fund to recognize income without receiving
cash with which to pay dividends or make distributions in amounts necessary to
satisfy the distribution requirements for avoiding income and excise taxes.
 
    The foregoing discussion is a general summary of certain of the current
Federal income tax laws regarding the Fund and investors. The discussion does
not purport to deal with all of the Federal income tax consequences applicable
to the Fund, or to all categories of investors, some of which may be subject to
special rules. Investors should consult their own tax advisors regarding the tax
consequences to them of investments in shares.
 
PERFORMANCE INFORMATION
- --------------------------------------------------------------------------------
 
   
    As discussed in the Prospectus, from time to time the Fund may quote its
"yield" and/or its "total return" in advertisements and sales literature. Yield
is calculated for any 30-day period as follows: the amount of interest and/or
dividend income for each security in the Fund's portfolio is determined in
accordance with regulatory requirements; the total for the entire portfolio
constitutes the Fund's gross income for the period. Expenses accrued during the
period are subtracted to arrive at "net investment income". The resulting amount
is divided by the product of the net asset value per share on the last day of
the period multiplied by the average number of Fund shares outstanding during
the period that were entitled to dividends. This amount is added to 1 and raised
to the sixth power. 1 is then subtracted from the result and the difference is
multiplied by 2 to arrive at the annualized yield. Based on the foregoing
calculation, the Fund's annualized yield for the thirty (30) day period ended
April 30, 1997 was 6.67%. Without the waiver of fees and assumption of expenses
by the Investment Manager, the Fund's annualized yield for the thirty (30) day
period ended April 30, 1997 would have been 5.48%.
    
 
   
    The Fund's "average annual total return" represents an annualization of the
Fund's total return over a particular period and is computed by finding the
annual percentage rate which will result in the ending redeemable value of a
hypothetical $1,000 investment made at the beginning of a one, five or ten year
period, or for the period from the date of commencement of the Fund's
operations, if shorter than any of the foregoing. For the purpose of this
calculation, it is assumed that all dividends and distributions are reinvested.
The formula for computing the average annual total return involves a percentage
obtained by dividing the ending redeemable value by the amount of the initial
investment, taking a root of the quotient (where the root is equivalent to the
number of years in the period) and subtracting 1 from the result. Based on the
foregoing calculation, the Fund's average annual total return for the fiscal
year ended April 30, 1997 was 5.88% and for the period January 10, 1994
(commencement of operations) through April 30, 1997 was 4.78%. Without the
waiver of fees and assumption of expenses by the Investment Manager, the average
annual total return for the fiscal year ended April 30, 1997 and the period
January 10, 1997 through April 30, 1997 would have been 5.21% and 3.80%,
respectively.
    
 
    In addition to the foregoing, the Fund may advertise its total return over
different periods of time by means of aggregate, year-by-year or other types of
total return figures. In addition, the Fund may
 
                                       40
<PAGE>
   
compute its aggregate total return for specified periods by determining the
aggregate percentage rate which will result in the ending value of a
hypothetical $1,000 investment made at the beginning of the period. For the
purpose of this calculation, it is assumed that all dividends and distributions
are reinvested. The formula for computing aggregate total return involves a
percentage obtained by dividing the ending value by the initial $1,000
investment and subtracting 1 from the result. Based on the foregoing
calculation, the Fund's aggregate total return for the fiscal year ended April
30, 1997 was 5.88% and for the period January 10, 1994 (commencement of
operations) through April 30, 1997 was 16.66%.
    
 
   
    The Fund may also advertise the growth of hypothetical investments of
$10,000, $50,000 and $100,000 in shares of the Fund by adding 1 to the Fund's
aggregate total return and multiplying by $10,000, $50,000 or $100,000, as the
case may be. Investments of $10,000, $50,000 and $100,000 in the Fund at
inception would have grown to $11,666, $58,330 and $116,660, respectively at
April 30, 1997.
    
 
    The Fund from time to time may also advertise its performance relative to
certain performance rankings and indexes compiled by independent organizations.
 
DESCRIPTION OF SHARES
- --------------------------------------------------------------------------------
 
   
    The shareholders of the Fund are entitled to a full vote for each full share
held. All of the Trustees have been elected by the shareholders of the Fund,
most recently at a Special Meeting of Shareholders held on May 21, 1997. On that
date, Wayne E. Hedien was also elected as a Trustee of the Fund, with his term
to commence on September 1, 1997. The Trustees themselves have the power to
alter the number and the terms of office of the Trustees, and they may at any
time lengthen their own terms or make their terms of unlimited duration and
appoint their own successors, provided that always at least a majority of the
Trustees has been elected by the shareholders of the Fund. Under certain
circumstances the Trustees may be removed by action of the Trustees. The
shareholders also have the right to remove the Trustees following a meeting
called for that purpose requested in writing by the record holders of not less
than ten percent of the Fund's outstanding shares. The voting rights of
shareholders are not cumulative, so that holders of more than 50 percent of the
shares voting can, if they choose, elect all Trustees being selected, while the
holders of the remaining shares would be unable to elect any Trustees.
    
 
   
    The Declaration of Trust permits the Trustees to authorize the creation of
additional series of shares (the proceeds of which would be invested in
separate, independently managed portfolios) and additional classes of shares
within any series (which would be used to distinguish among the rights of
different categories of shareholders, as might be required by future regulations
or other unforeseen circumstances). The Trustees have not presently authorized
any such additional series or classes of shares.
    
 
    The Declaration of Trust provides that no Trustee, officer, employee or
agent of the Fund is liable to the Fund or to a shareholder, nor is any Trustee,
officer, employee or agent liable to any third persons in connection with the
affairs of the Fund, except as such liability may arise from his or her own bad
faith, willful misfeasance, gross negligence, or reckless disregard of his or
her duties. It also provides that all third persons shall look solely to the
Fund's property for satisfaction of claims arising in connection with the
affairs of the Fund. With the exceptions stated, the Declaration of Trust
provides that a Trustee, officer, employee or agent is entitled to be
indemnified against all liabilities in connection with the affairs of the Fund.
 
    The Fund is authorized to issue an unlimited number of shares of beneficial
interest. The Fund shall be of unlimited duration subject to the provisions in
the Declaration of Trust concerning termination by action of the shareholders.
 
CUSTODIAN AND TRANSFER AGENT
- --------------------------------------------------------------------------------
 
    The Bank of New York, 90 Washington Street, New York, New York 10286 is the
Custodian of the Fund's assets. Any of the Fund's cash balances with the
Custodian in excess of $100,000 are unprotected by federal deposit insurance.
Such balances may, at times, be substantial.
 
                                       41
<PAGE>
   
    Dean Witter Trust Company, Harborside Financial Center, Plaza Two, Jersey
City, New Jersey 07311 is the Transfer Agent of the Fund's shares and Dividend
Disbursing Agent for payment of dividends and distributions on Fund shares and
Agent for shareholders under various investment plans described herein. Dean
Witter Trust Company is an affiliate of Dean Witter InterCapital Inc., the
Fund's Investment Manager, and of Dean Witter Distributors Inc., the Fund's
Distributor. As Transfer Agent and Dividend Disbursing Agent, Dean Witter Trust
Company's responsibilities include maintaining shareholder accounts, disbursing
cash dividends and reinvesting dividends, processing account registration
changes, handling purchase and redemption transactions, mailing prospectuses and
reports, mailing and tabulating proxies, processing share certificate
transactions, and maintaining shareholder records and lists. For these services
Dean Witter Trust Company receives a per shareholder account fee.
    
 
INDEPENDENT ACCOUNTANTS
- --------------------------------------------------------------------------------
 
    Price Waterhouse LLP serves as the independent accountants of the Fund. The
independent accountants are responsible for auditing the annual financial
statements of the Fund.
 
REPORTS TO SHAREHOLDERS
- --------------------------------------------------------------------------------
 
    The Fund will send to shareholders, at least semi-annually, reports showing
the Fund's portfolio and other information. An annual report containing
financial statements audited by independent accountants will be sent to
shareholders each year.
 
    The Fund's fiscal year ends on April 30. The financial statements of the
Fund must be audited at least once a year by independent accountants whose
selection is made annually by the Fund's Board of Trustees.
 
LEGAL COUNSEL
- --------------------------------------------------------------------------------
 
   
    Barry Fink, Esq., who is an officer and the General Counsel of the
Investment Manager, is an officer and the General Counsel of the Fund.
    
 
EXPERTS
- --------------------------------------------------------------------------------
 
    The financial statements of the Fund included in this Statement of
Additional Information and incorporated by reference in the Prospectus, have
been so included and incorporated in reliance on the report of Price Waterhouse
LLP, independent accountants, given on the authority of said firm as experts in
auditing and accounting.
 
REGISTRATION STATEMENT
- --------------------------------------------------------------------------------
 
    This Statement of Additional Information and the Prospectus do not contain
all of the information set forth in the Registration Statement the Fund has
filed with the Securities and Exchange Commission. The complete Registration
Statement may be obtained from the Securities and Exchange Commission upon
payment of the fee prescribed by the rules and regulations of the Commission.
 
                                       42
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
PORTFOLIO OF INVESTMENTS APRIL 30, 1997
 
<TABLE>
<CAPTION>
 PRINCIPAL
 AMOUNT IN                                                    COUPON     MATURITY
 THOUSANDS                                                     RATE        DATE          VALUE
- ---------------------------------------------------------------------------------------------------
<C>          <S>                                             <C>        <C>          <C>
             CORPORATE BONDS (49.6%)
             AUTOMOBILE (2.4%)
 $   1,000   Chrysler Corp.................................     10.40 %    08/01/99  $    1,009,400
                                                                                     --------------
             AUTO RENTALS (2.4%)
     1,000   Hertz Corp....................................      9.50      05/15/98       1,032,660
                                                                                     --------------
             BANK HOLDING COMPANIES (1.2%)
       500   Chase Manhattan Corp..........................      7.50      12/01/97         504,615
                                                                                     --------------
             BANKS - INTERNATIONAL (4.7%)
     1,000   ABN-AMRO Bank, NV (Netherlands)...............      6.625     10/31/01         986,700
     1,000   Kansallis-Osake Pankki (Finland)..............      6.125     05/15/98         997,480
                                                                                     --------------
                                                                                          1,984,180
                                                                                     --------------
             BROKERAGE (2.4%)
     1,000   Lehman Brothers Holdings, Inc.................      7.625     07/15/99       1,016,390
                                                                                     --------------
             CABLE & TELECOMMUNICATIONS (4.8%)
     1,000   News America Holdings, Inc....................      7.50      03/01/00       1,015,490
     1,000   Telecommunications, Inc.......................      7.375     02/15/00       1,001,800
                                                                                     --------------
                                                                                          2,017,290
                                                                                     --------------
             COMPUTERS (1.2%)
       500   Unisys Corp...................................     15.00+     07/01/97         506,250
                                                                                     --------------
             FINANCIAL (5.0%)
     1,000   Fletcher Challenge Financial Inc..............      9.80      06/15/98       1,037,630
     1,065   International Lease Finance Corp..............      5.75      07/01/98       1,059,664
                                                                                     --------------
                                                                                          2,097,294
                                                                                     --------------
             FINANCIAL SERVICES (1.2%)
       500   Golden West Financial Corp....................      7.875     01/15/02         515,970
                                                                                     --------------
             FOREIGN GOVERNMENT AGENCY (2.4%)
     1,000   Bank of China.................................      6.75      03/15/99       1,000,460
                                                                                     --------------
             GAS TRANSMISSION (2.4%)
     1,000   The Williams Companies, Inc...................      7.50      09/15/99       1,015,820
                                                                                     --------------
             HOTELS (1.2%)
       500   MGM Grand Hotels Corp.........................     12.00      05/01/02         526,650
                                                                                     --------------
             PHOTOGRAPHY (2.4%)
     1,000   Polaroid Corp.................................      8.00      03/15/99       1,022,490
                                                                                     --------------
             RETAIL - FOOD CHAINS (1.2%)
       500   Great Atlantic & Pacific Tea Co., Inc.........      9.125     01/15/98         509,320
                                                                                     --------------
             RETAIL STORES (2.4%)
     1,000   Penney J. C. & Co. Inc........................      6.95      04/01/00       1,002,860
                                                                                     --------------
             TRANSPORTATION (3.1%)
       300   AMR Corp......................................      8.10      11/01/98         306,642
     1,000   Union Pacific Corp............................      7.375     05/15/01       1,012,300
                                                                                     --------------
                                                                                          1,318,942
                                                                                     --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       43
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
PORTFOLIO OF INVESTMENTS APRIL 30, 1997, CONTINUED
 
<TABLE>
<CAPTION>
 PRINCIPAL
 AMOUNT IN                                                    COUPON     MATURITY
 THOUSANDS                                                     RATE        DATE          VALUE
- ---------------------------------------------------------------------------------------------------
<C>          <S>                                             <C>        <C>          <C>
             UTILITIES - ELECTRIC (9.2%)
 $     500   Commonwealth Edison Co........................      6.50 %    04/15/00  $      494,555
       511   Commonwealth Edison Co........................      7.625     02/15/03         513,857
     1,000   Connecticut Light & Power Co..................      7.25      07/01/99         995,260
       370   Consumers Energy Co...........................      8.875     11/15/99         386,369
     1,000   Ohio Edison Co................................      6.875     09/15/99         998,750
       500   Pacific Gas & Electric Co.....................      5.75      12/01/98         494,225
                                                                                     --------------
                                                                                          3,883,016
                                                                                     --------------
 
             TOTAL CORPORATE BONDS
             (IDENTIFIED COST $21,450,125).........................................      20,963,607
                                                                                     --------------
 
             U.S. GOVERNMENT & AGENCY OBLIGATIONS (42.4%)
             MORTGAGE PASS-THROUGH SECURITIES (17.5%)
     1,867   Federal Home Loan Mortgage Corp.
               PC Gold.....................................      6.00     06/01/98-
                                                                           11/01/01       1,820,871
     5,622   Federal Home Loan Mortgage Corp.
               PC Gold.....................................      6.50     04/01/98-
                                                                           10/01/01       5,562,076
                                                                                     --------------
                                                                                          7,382,947
                                                                                     --------------
             U.S. GOVERNMENT AGENCY (4.7%)
     2,000   Federal National Mortgage Assoc...............      5.94      11/06/98       1,991,420
                                                                                     --------------
             U.S. GOVERNMENT OBLIGATIONS (20.2%)
     5,000   U.S. Treasury Note............................      8.50      07/15/97       5,030,550
       500   U.S. Treasury Note............................      5.75      09/30/97         500,175
     1,000   U.S. Treasury Note............................      8.75      10/15/97       1,013,670
     1,000   U.S. Treasury Note............................      6.00      09/30/98         998,520
     1,000   U.S. Treasury Note............................      5.875     10/31/98         995,850
                                                                                     --------------
                                                                                          8,538,765
                                                                                     --------------
 
             TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS
             (IDENTIFIED COST $18,048,161).........................................      17,913,132
                                                                                     --------------
 
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       44
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
PORTFOLIO OF INVESTMENTS APRIL 30, 1997, CONTINUED
 
<TABLE>
<CAPTION>
 PRINCIPAL
 AMOUNT IN                                                    COUPON     MATURITY
 THOUSANDS                                                     RATE        DATE          VALUE
- ---------------------------------------------------------------------------------------------------
<C>          <S>                                             <C>        <C>          <C>
             SHORT-TERM INVESTMENT (a) (7.1%)
             U.S. GOVERNMENT AGENCY
 $   3,000   Student Loan Marketing Assoc. (Amortized Cost
               $3,000,000).................................      5.28 %    05/01/97  $    3,000,000
                                                                                     --------------
 
              TOTAL INVESTMENTS
              (IDENTIFIED COST $42,498,286)..................................   99.1%    41,876,739
 
              CASH AND OTHER ASSETS IN EXCESS OF LIABILITIES.................    0.9        375,340
                                                                               ------   -----------
 
              NET ASSETS.....................................................  100.0%   $42,252,079
                                                                               ------   -----------
                                                                               ------   -----------
 
<FN>
- ---------------------
PC   Participation Certificate.
 +   Adjustable rate. Rate shown is the rate in effect at April 30, 1997.
(a)  Security was purchased on a discount basis. The interest rate shown has
     been adjusted to reflect a money market equivalent yield.
(b)  The aggregate cost for federal income tax purposes approximates identified
     cost. The aggregate gross unrealized appreciation is $36,612 and the
     aggregate gross unrealized depreciation is $658,159, resulting in net
     unrealized depreciation of $621,547.
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       45
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
FINANCIAL STATEMENTS
 
STATEMENT OF ASSETS AND LIABILITIES
APRIL 30, 1997
 
<TABLE>
<S>                                                           <C>
ASSETS:
Investments in securities, at value
  (identified cost $42,498,286).............................  $41,876,739
Cash........................................................       42,097
Receivable for:
    Interest................................................      671,116
    Shares of beneficial interest sold......................       74,625
Deferred organizational expenses............................       58,772
Receivable from affiliate...................................       70,442
Prepaid expenses and other assets...........................       24,253
                                                              -----------
 
     TOTAL ASSETS...........................................   42,818,044
                                                              -----------
 
LIABILITIES:
Payable for:
    Shares of beneficial interest repurchased...............      498,382
    Dividends to shareholders...............................       17,920
Accrued expenses and other payables.........................       49,663
                                                              -----------
 
     TOTAL LIABILITIES......................................      565,965
                                                              -----------
 
NET ASSETS:
Paid-in-capital.............................................   43,977,733
Net unrealized depreciation.................................     (621,547)
Accumulated undistributed net investment income.............       56,176
Accumulated net realized loss...............................   (1,160,283)
                                                              -----------
 
     NET ASSETS.............................................  $42,252,079
                                                              -----------
                                                              -----------
 
NET ASSET VALUE PER SHARE,
  4,449,499 SHARES OUTSTANDING (UNLIMITED SHARES AUTHORIZED
  OF $.01 PAR VALUE)........................................
                                                                    $9.50
                                                              -----------
                                                              -----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       46
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
FINANCIAL STATEMENTS, CONTINUED
 
STATEMENT OF OPERATIONS
FOR THE YEAR ENDED APRIL 30, 1997
 
<TABLE>
<S>                                                           <C>
NET INVESTMENT INCOME:
 
INTEREST INCOME.............................................  $2,571,492
                                                              ----------
 
EXPENSES
Investment management fee...................................     261,509
Professional fees...........................................      60,332
Shareholder reports and notices.............................      45,277
Organizational expenses.....................................      34,600
Registration fees...........................................      25,442
Transfer agent fees and expenses............................      23,608
Trustees' fees and expenses.................................      15,528
Custodian fees..............................................      12,226
Other.......................................................       5,314
                                                              ----------
 
     TOTAL EXPENSES.........................................     483,836
 
     LESS: AMOUNTS WAIVED/REIMBURSED........................    (246,143)
                                                              ----------
 
     NET EXPENSES...........................................     237,693
                                                              ----------
 
     NET INVESTMENT INCOME..................................   2,333,799
                                                              ----------
 
NET REALIZED AND UNREALIZED LOSS:
Net realized loss...........................................    (230,430)
Net change in unrealized depreciation.......................     (27,367)
                                                              ----------
 
     NET LOSS...............................................    (257,797)
                                                              ----------
 
NET INCREASE................................................  $2,076,002
                                                              ----------
                                                              ----------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       47
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
FINANCIAL STATEMENTS, CONTINUED
 
STATEMENT OF CHANGES IN NET ASSETS
 
<TABLE>
<CAPTION>
                                                               FOR THE YEAR     FOR THE YEAR
                                                                  ENDED            ENDED
                                                              APRIL 30, 1997   APRIL 30, 1996
- ---------------------------------------------------------------------------------------------
<S>                                                           <C>              <C>
 
INCREASE (DECREASE) IN NET ASSETS:
 
OPERATIONS:
Net investment income.......................................   $   2,333,799    $   2,192,172
Net realized loss...........................................        (230,430)        (183,101)
Net change in unrealized depreciation.......................         (27,367)         181,886
                                                              --------------   --------------
 
     NET INCREASE...........................................       2,076,002        2,190,957
                                                              --------------   --------------
 
DIVIDENDS AND DISTRIBUTIONS FROM:
Net investment income.......................................      (2,254,744)      (1,542,863)
Paid-in-capital.............................................        --               (535,880)
                                                              --------------   --------------
 
     TOTAL..................................................      (2,254,744)      (2,078,743)
                                                              --------------   --------------
Net increase from transactions in shares of beneficial
  interest..................................................       9,252,602        3,248,168
                                                              --------------   --------------
 
     NET INCREASE...........................................       9,073,860        3,360,382
 
NET ASSETS:
Beginning of period.........................................      33,178,219       29,817,837
                                                              --------------   --------------
 
     END OF PERIOD
    (INCLUDING UNDISTRIBUTED NET INVESTMENT INCOME OF
    $56,176 AND DIVIDENDS IN EXCESS OF NET INVESTMENT INCOME
    OF $22,879, RESPECTIVELY)...............................   $  42,252,079    $  33,178,219
                                                              --------------   --------------
                                                              --------------   --------------
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
                                       48
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
NOTES TO FINANCIAL STATEMENTS APRIL 30, 1997
 
1. ORGANIZATION AND ACCOUNTING POLICIES
 
Dean Witter Short-Term Bond Fund (the "Fund") is registered under the Investment
Company Act of 1940, as amended, as a diversified, open-end management
investment company. The Fund's investment objective is to provide a high level
of current income consistent with the preservation of capital. The Fund seeks to
achieve its objective by investing in a diversified portfolio of short-term
fixed income securities. The Fund was organized as a Massachusetts business
trust on October 22, 1993 and commenced operations on January 10, 1994.
 
The preparation of financial statements in accordance with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts and disclosures. Actual results could differ from
those estimates.
 
The following is a summary of significant accounting policies:
 
A. VALUATION OF INVESTMENTS -- (1) all portfolio securities for which
over-the-counter market quotations are readily available are valued at the
latest available bid price prior to the time of valuation; (2) when market
quotations are not readily available, including circumstances under which it is
determined by Dean Witter InterCapital Inc. (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 Trustees
(valuation of securities for which market quotations are not readily available
may be based upon current market prices of securities which are comparable in
coupon, rating and maturity or an appropriate matrix utilizing similar factors);
(3) certain portfolio securities may be valued by an outside pricing service
approved by the Trustees. The pricing service may utilize a matrix system
incorporating security quality, maturity and coupon as the evaluation model
parameters, and/or research and evaluation by its staff, including review of
broker-dealer market price quotations, if available, in determining what it
believes is the fair valuation of the portfolio securities valued by such
pricing service; and (4) short-term debt securities having a maturity date of
more than sixty days at the time of purchase are valued on a mark-to-market
basis until sixty days prior to maturity and thereafter at amortized cost based
on their value on the 61st day. Short-term debt securities having a maturity
date of sixty days or less at the time of purchase are valued at amortized cost.
 
B. ACCOUNTING FOR INVESTMENTS --  Security transactions are accounted for on the
trade date (date the order to buy or sell is executed). Realized gains and
losses on security transactions are determined by the identified cost method.
Discounts are accreted over the life of the respective securities. Interest
income is accrued daily.
 
                                       49
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
NOTES TO FINANCIAL STATEMENTS APRIL 30, 1997, CONTINUED
 
C. FEDERAL INCOME TAX STATUS -- It is the Fund's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated investment
companies and to distribute all of its taxable income to its shareholders.
Accordingly, no federal income tax provision is required.
 
D. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- The Fund records dividends and
distributions to its shareholders on the record date. The amount of dividends
and distributions from net investment income and net realized capital gains are
determined in accordance with federal income tax regulations which may differ
from generally accepted accounting principles. These "book/tax" differences are
either considered temporary or permanent in nature. To the extent these
differences are permanent in nature, such amounts are reclassified within the
capital accounts based on their federal tax-basis treatment; temporary
differences do not require reclassification. Dividends and distributions which
exceed net investment income and net realized capital gains for financial
reporting purposes but not for tax purposes are reported as dividends in excess
of net investment income or distributions in excess of net realized capital
gains. To the extent they exceed net investment income and net realized capital
gains for tax purposes, they are reported as distributions of paid-in-capital.
 
E. ORGANIZATIONAL EXPENSES -- The Investment Manager paid the organizational
expenses of the Fund in the amount of approximately $173,000 which has been
reimbursed, exclusive of any amounts assumed. Such expenses have been deferred
and are being amortized on the straight-line method over a period not to exceed
five years from the commencement of operations.
 
2. INVESTMENT MANAGEMENT AGREEMENT
 
Pursuant to an Investment Management Agreement, the Fund pays the Investment
Manager a management fee, accrued daily and payable monthly, by applying the
annual rate of 0.70% to the net assets of the Fund determined as of the close of
each business day.
 
Under the terms of the Agreement, in addition to managing the Fund's
investments, the Investment Manager maintains certain of the Fund's books and
records and furnishes, at its own expense, office space, facilities, equipment,
clerical, bookkeeping and certain legal services and pays the salaries of all
personnel, including officers of the Fund who are employees of the Investment
Manager. The Investment Manager also bears the cost of telephone services, heat,
light, power and other utilities provided to the Fund.
 
For the period January 1, 1996 through December 31, 1996, the Investment Manager
waived its fee and reimbursed expenses to the extent they exceeded 1.0% of daily
net assets. For the period January 1, 1997 through December 31, 1997, the
Investment Manager is waiving its compensation and assuming all operating
expenses without limitation.
 
                                       50
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
NOTES TO FINANCIAL STATEMENTS APRIL 30, 1997, CONTINUED
 
3. SECURITY TRANSACTIONS AND TRANSACTIONS WITH AFFILIATES
 
The cost of purchases and proceeds from sales/prepayments of portfolio
securities, excluding short-term investments, for the year ended April 30, 1997
were $31,689,314 and $23,373,669, respectively. Included in the aforementioned
are purchases and sales/prepayments of U.S. Government securities of $23,018,353
and $15,787,199, respectively.
 
Dean Witter Trust Company, an affiliate of the Investment Manager, is the Fund's
transfer agent. At April 30, 1997, the Fund had transfer agent fees and expenses
payable of approximately $3,700.
 
4. SHARES OF BENEFICIAL INTEREST
 
Transactions in shares of beneficial interest were as follows:
 
<TABLE>
<CAPTION>
                                                                           FOR THE YEAR                  FOR THE YEAR
                                                                              ENDED                         ENDED
                                                                          APRIL 30, 1997                APRIL 30, 1996
                                                                   ----------------------------   --------------------------
                                                                     SHARES          AMOUNT         SHARES         AMOUNT
                                                                   -----------   --------------   -----------   ------------
<S>                                                                <C>           <C>              <C>           <C>
Sold.............................................................    5,655,876   $   53,856,789     3,883,280   $ 37,471,765
Reinvestment of dividends and distributions......................      187,178        1,780,724       169,292      1,631,756
                                                                   -----------   --------------   -----------   ------------
                                                                     5,843,054       55,637,513     4,052,572     39,103,521
Repurchased......................................................   (4,870,750)     (46,384,911)   (3,726,543)   (35,855,353)
                                                                   -----------   --------------   -----------   ------------
Net increase.....................................................      972,304   $    9,252,602       326,029   $  3,248,168
                                                                   -----------   --------------   -----------   ------------
                                                                   -----------   --------------   -----------   ------------
</TABLE>
 
5. FEDERAL INCOME TAX STATUS
 
At April 30, 1997, the Fund had a net capital loss carryover of approximately
$1,065,000, to offset future capital gains to the extent provided by
regulations, which is available through April 30 of the following years:
 
<TABLE>
<CAPTION>
    (AMOUNTs IN THOUSANDS)
- -------------------------------
  2003       2004       2005
- ---------  ---------  ---------
<S>        <C>        <C>
$     378  $     501  $     186
- ---------  ---------  ---------
- ---------  ---------  ---------
</TABLE>
 
Capital losses incurred after October 31 ("post-October losses") within the
taxable year are deemed to arise on the first business day of the Fund's next
taxable year. The Fund incurred and will elect to defer net capital losses of
approximately $96,000 during fiscal 1997.
 
As of April 30, 1997, the Fund had temporary book/tax differences primarily
attributable to post-October losses.
 
                                       51
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
FINANCIAL HIGHLIGHTS
 
Selected ratios and per share data for a share of beneficial interest
outstanding throughout each period:
 
<TABLE>
<CAPTION>
                                                                                    FOR THE PERIOD
                                           FOR THE YEAR ENDED APRIL 30,           JANUARY 10, 1994*
                                     ----------------------------------------          THROUGH
                                        1997           1996           1995          APRIL 30, 1994
- ----------------------------------------------------------------------------------------------------
 
<S>                                  <C>            <C>            <C>            <C>
PER SHARE OPERATING PERFORMANCE:
 
Net asset value, beginning of
 period............................    $   9.54       $   9.46       $   9.62           $10.00
                                     ----------     ----------     ----------           ------
 
Net investment income..............        0.61           0.63           0.77             0.21
Net realized and unrealized gain
 (loss)............................       (0.06)          0.05          (0.33)           (0.40)
                                     ----------     ----------     ----------           ------
 
Total from investment operations...        0.55           0.68           0.44            (0.19)
                                     ----------     ----------     ----------           ------
 
Less dividends and distributions
 from:
   Net investment income...........       (0.59)         (0.45)         (0.59)           (0.19)
   Paid-in-capital.................      --              (0.15)         (0.01)         --
                                     ----------     ----------     ----------           ------
 
Total dividends and
 distributions.....................       (0.59)         (0.60)         (0.60)           (0.19)
                                     ----------     ----------     ----------           ------
 
Net asset value, end of period.....    $   9.50       $   9.54       $   9.46           $ 9.62
                                     ----------     ----------     ----------           ------
                                     ----------     ----------     ----------           ------
 
TOTAL INVESTMENT RETURN............        5.88%          7.33%          4.76%          (2.01)%(1)
 
RATIOS TO AVERAGE NET ASSETS:
Expenses...........................        0.64%(3)       0.37%(3)     --  %(3)        --     %(2)(3)
 
Net investment income..............        6.25%(3)       6.54%(3)       7.64%(3)         6.36%(2)(3)
 
SUPPLEMENTAL DATA:
Net assets, end of period, in
 thousands.........................     $42,252        $33,178        $29,818                $43,403
 
Portfolio turnover rate............          67%            64%            74%               9%(1)
<FN>
 
- ---------------------
 *   Commencement of operations.
(1)  Not annualized.
(2)  Annualized.
(3)  If the Fund had borne all expenses that were assumed or waived by the
     Investment Manager, the annualized expense and net investment income ratios
     would have been 1.55% and 4.81%, respectively, for the period ended April
     30, 1994, 1.08% and 6.56%, respectively, for the year ended April 30, 1995,
     1.29% and 5.61%, respectively, for the year ended April 30, 1996 and 1.30%
     and 5.59%, respectively, for the year ended April 30, 1997.
</TABLE>
 
                       SEE NOTES TO FINANCIAL STATEMENTS
 
                                       52
<PAGE>
DEAN WITTER SHORT-TERM BOND FUND
REPORT OF INDEPENDENT ACCOUNTANTS
 
TO THE SHAREHOLDERS AND TRUSTEES
OF DEAN WITTER SHORT-TERM BOND FUND
 
In our opinion, the accompanying statement of assets and liabilities, including
the portfolio of investments, and the related statements of operations and of
changes in net assets and the financial highlights present fairly, in all
material respects, the financial position of Dean Witter Short-Term Bond Fund
(the "Fund") at April 30, 1997, the results of its operations for the year then
ended, the changes in its net assets for each of the two years in the period
then ended and the financial highlights for each of the three years in the
period then ended and for the period January 10, 1994 (commencement of
operations) through April 30, 1994, in conformity with generally accepted
accounting principles. These financial statements and financial highlights
(hereafter referred to as "financial statements") are the responsibility of the
Fund's management; our responsibility is to express an opinion on these
financial statements based on our audits. We conducted our audits of these
financial statements in accordance with generally accepted auditing standards
which require that we plan and perform the audit to obtain reasonable assurance
about whether the financial statements are free of material misstatement. An
audit includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation. We believe that our audits, which included
confirmation of securities at April 30, 1997 by correspondence with the
custodian, provide a reasonable basis for the opinion expressed above.
 
PRICE WATERHOUSE LLP
1177 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
JUNE 9, 1997
 
                                       53
<PAGE>
APPENDIX
- --------------------------------------------------------------------------------
 
RATINGS OF CORPORATE DEBT INSTRUMENTS INVESTMENTS
MOODY'S INVESTORS SERVICE INC. ("MOODY'S")
 
                         FIXED-INCOME SECURITY RATINGS
 
<TABLE>
<S>        <C>
Aaa        Fixed-income securities which are rated Aaa are judged to be of the best quality.
           They carry the smallest degree of investment risk and are generally referred to as
           "gilt edge." Interest payments are protected by a large or by an exceptionally
           stable margin and principal is secure. While the various protective elements are
           likely to change, such changes as can be visualized are most unlikely to impair the
           fundamentally strong position of such issues.
Aa         Fixed-income securities which are rated Aa are judged to be of high quality by all
           standards. Together with the Aaa group they comprise what are generally known as
           high grade fixed-income securities. They are rated lower than the best fixed-income
           securities because margins of protection may not be as large as in Aaa securities
           or fluctuation of protective elements may be of greater amplitude or there may
           other elements present which make the long-term risks appear somewhat larger than
           in Aaa securities.
A          Fixed-income securities which are rated A possess many favorable investment
           attributes and are to be considered as upper medium grade obligations. Factors
           giving security to principal and interest are considered adequate, but elements may
           be present which suggest a susceptibility to impairment sometime in the future.
Baa        Fixed-income securities which are rated Baa are considered as medium grade
           obligations; i.e., they are neither highly protected nor poorly secured. Interest
           payments and principal security appear adequate for the present but certain
           protective elements may be lacking or may be characteristically unreliable over any
           great length of time. Such fixed-income securities lack outstanding investment
           characteristics and in fact have speculative characteristics as well.
           Fixed-income securities rated Aaa, Aa, A and Baa are considered investment grade.
Ba         Fixed-income securities which are rated Ba are judged to have speculative elements;
           their future cannot be considered as well assured. Often the protection of interest
           and principal payments may be very moderate, and therefore not well safeguarded
           during both good and bad times in the future. Uncertainty of position characterizes
           bonds in this class.
B          Fixed-income securities which are rated B generally lack characteristics of the
           desirable investment. Assurance of interest and principal payments or of
           maintenance of other terms of the contract over any long period of time may be
           small.
Caa        Fixed-income securities which are rated Caa are of poor standing. Such issues may
           be in default or there may be present elements of danger with respect to principal
           or interest.
Ca         Fixed-income securities which are rated Ca present obligations which are
           speculative in a high degree. Such issues are often in default or have other marked
           shortcomings.
C          Fixed-income securities which are rated C are the lowest rated class of fixed
           income securities, and issues so rated can be regarded as having extremely poor
           prospects of ever attaining any real investment standing.
</TABLE>
 
    RATING REFINEMENTS: Moody's may apply numerical modifiers, 1, 2, and 3 in
each generic rating classification from Aa through B in its municipal
fixed-income security rating system. The modifier 1 indicates that the security
ranks in the higher end of its generic rating category; the modifier 2 indicates
a mid-range ranking; and a modifier 3 indicates that the issue ranks in the
lower end of its generic rating category.
 
                                       54
<PAGE>
                            COMMERCIAL PAPER RATINGS
 
    Moody's Commercial Paper ratings are opinions of the ability to repay
punctually promissory obligations not having an original maturity in excess of
nine months. The ratings apply to Municipal Commercial Paper as well as taxable
Commercial Paper. Moody's employs the following three designations, all judged
to be investment grade, to indicate the relative repayment capacity of rated
issuers: Prime-1, Prime-2, Prime-3.
 
    Issuers rated Prime-1 have a superior capacity for repayment of short-term
promissory obligations. Issuers rated Prime-2 have a strong capacity for
repayment of short-term promissory obligations; and Issuers rated Prime-3 have
an acceptable capacity for repayment of short-term promissory obligations.
Issuers rated Not Prime do not fall within any of the Prime rating categories.
 
STANDARD & POOR'S CORPORATION ("STANDARD & POOR'S")
 
                         FIXED-INCOME SECURITY RATINGS
 
    A Standard & Poor's fixed-income security rating is a current assessment of
the creditworthiness of an obligor with respect to a specific obligation. This
assessment may take into consideration obligors such as guarantors, insurers, or
lessees.
 
    The ratings are based on current information furnished by the issuer or
obtained by Standard & Poor's from other sources it considers reliable. The
ratings are based, in varying degrees, on the following considerations: (1)
likelihood of default-capacity and willingness of the obligor as to the timely
payment of interest and repayment of principal in accordance with the terms of
the obligation; (2) nature of and provisions of the obligation; and (3)
protection afforded by, and relative position of, the obligation in the event of
bankruptcy, reorganization or other arrangement under the laws of bankruptcy and
other laws affecting creditors' rights.
 
    Standard & Poor's does not perform an audit in connection with any rating
and may, on occasion, rely on unaudited financial information. The ratings may
be changed, suspended or withdrawn as a result of changes in, or unavailability
of, such information, or for other reasons.
 
<TABLE>
<S>        <C>
AAA        Fixed-income securities rated "AAA" have the highest rating assigned by Standard &
           Poor's. Capacity to pay interest and repay principal is extremely strong.
AA         Fixed-income securities rated "AA" have a very strong capacity to pay interest and
           repay principal and differs from the highest-rate issues only in small degree.
A          Fixed-income securities rated "A" have a strong capacity to pay interest and repay
           principal although they are somewhat more susceptible to the adverse effects of
           changes in circumstances and economic conditions than fixed-income securities in
           higher-rated categories.
BBB        Fixed-income securities rated "BBB" are regarded as having an adequate capacity to
           pay interest and repay principal. Whereas it normally exhibits adequate protection
           parameters, adverse economic conditions or changing circumstances are more likely
           to lead to a weakened capacity to pay interest and repay principal for fixed-income
           securities in this category than for fixed-income securities in higher-rated
           categories.
           Fixed-income securities rated AAA, AA, A and BBB are considered investment grade.
BB         Fixed-income securities rated "BB" have less near-term vulnerability to default
           than other speculative grade fixed-income securities. However, it faces major
           ongoing uncertainties or exposures to adverse business, financial or economic
           conditions which could lead to inadequate capacity or willingness to pay interest
           and repay principal.
B          Fixed-income securities rated "B" have a greater vulnerability to default but
           presently have the capacity to meet interest payments and principal repayments.
           Adverse business, financial or economic conditions would likely impair capacity or
           willingness to pay interest and repay principal.
</TABLE>
 
                                       55
<PAGE>
<TABLE>
<S>        <C>
CCC        Fixed-income securities rated "CCC" have a current identifiable vulnerability to
           default, and are dependent upon favorable business, financial and economic
           conditions to meet timely payments of interest and repayments of principal. In the
           event of adverse business, financial or economic conditions, they are not likely to
           have the capacity to pay interest and repay principal.
CC         The rating "CC" is typically applied to fixed-income securities subordinated to
           senior debt which is assigned an actual or implied "CCC" rating.
C          The rating "C" is typically applied to fixed-income securities subordinated to
           senior debt which is assigned an actual or implied "CCC-" rating.
CI         The rating "CI" is reserved for fixed-income securities on which no interest is
           being paid.
NR         Indicates that no rating has been requested, that there is insufficient information
           on which to base a rating or that Standard & Poor's does not rate a particular type
           of obligation as a matter of policy.
           Fixed-income securities rated "BB," "B," "CCC," "CC" and "C" are regarded as having
           predominantly speculative characteristics with respect to capacity to pay interest
           and repay principal. "BB" indicates the least degree of speculation and "C" the
           highest degree of speculation. While such fixed-income securities will likely have
           some quality and protective characteristics, these are outweighed by large
           uncertainties or major risk exposures to adverse conditions.
           Plus (+) or minus (-): The rating from "AA" to "CCC" may be modified by the
           addition of a plus or minus sign to show relative standing with the major ratings
           categories.
</TABLE>
 
                            COMMERCIAL PAPER RATINGS
 
    Standard and Poor's commercial paper rating is a current assessment of the
likelihood of timely payment of debt having an original maturity of no more than
365 days. The commercial paper rating is not a recommendation to purchase or
sell a security. The ratings are based upon current information furnished by the
issuer or obtained by S&P from other sources it considers reliable. The ratings
may be changed, suspended, or withdrawn as a result of changes in or
unavailability of such information. Ratings are graded into group categories,
ranging from "A" for the highest quality obligations to "D" for the lowest.
Ratings are applicable to both taxable and tax-exempt commercial paper. The
categories are as follows:
 
    Issues assigned A ratings are regarded as having the greatest capacity for
timely payment. Issues in this category are further refined with the designation
1, 2, and 3 to indicate the relative degree of safety.
 
<TABLE>
<S>        <C>
A-1        indicates that the degree of safety regarding timely payment is very strong.
A-2        indicates capacity for timely payment on issues with this designation is strong.
           However, the relative degree of safety is not as overwhelming as for issues
           designated "A-1."
A-3        indicates a satisfactory capacity for timely payment. Obligations carrying this
           designation are, however, somewhat more vulnerable to the adverse effects of
           changes in circumstances than obligations carrying the higher designations.
</TABLE>
 
   
FITCH INVESTORS SERVICE, INC. ("FITCH")
    
   
                                  BOND RATINGS
    
 
    The Fitch Bond Ratings provides a guide to investors in determining the
investment risk associated with a particular security. The rating represents its
assessment of the issuer's ability to meet the obligations of a specific debt
issue or class of debt in a timely manner. Fitch bond ratings are not
recommendations to buy, sell or hold securities since they incorporate no
information on market price or yield relative to other debt instruments.
 
    The rating takes into consideration special features of the issue, its
relationship to other obligations of the issuer, the record of the issuer and of
any guarantor, as well as the political and economic environment that might
affect the future financial strength and credit quality of the issuer.
 
                                       56
<PAGE>
    Bonds which have the same rating are of similar but not necessarily
identical investment quality since the limited number of rating categories
cannot fully reflect small differences in the degree of risk. Moreover, the
character of the risk factor varies from industry to industry and between
corporate, health care and municipal               .
 
    In assessing credit risk, Fitch Investors Service relies on current
information furnished by the issuer and/or guarantor and other sources which it
considers reliable. Fitch does not perform an audit of the financial statements
used in assigning a rating.
 
    Ratings may be changed, withdrawn or suspended at any time to reflect
changes in the financial condition of the issuer, the status of the issue
relative to other debt of the issuer, or any other circumstances that Fitch
considers to have a material effect on the credit of the obligor.
 
<TABLE>
<S>        <C>
AAA        rated bonds are considered to be investment grade and of the highest credit
           quality. The obligor has an exceptionally strong ability to pay interest and repay
           principal, which is unlikely to be affected by reasonably foreseeable events.
AA         rated bonds are considered to be investment grade and of very high credit quality.
           The obligor's ability to pay interest and repay principal, while very strong, is
           somewhat less than for AAA rated securities or more subject to possible change over
           the term of the issue.
A          rated bonds are considered to be investment grade and of high credit quality. The
           obligor's ability to pay interest and repay principal is considered to be strong,
           but may be more vulnerable to adverse changes in economic conditions and
           circumstances than bonds with higher ratings.
BBB        rated bonds are considered to be investment grade and of satisfactory credit
           quality. The obligor's ability to pay interest and repay principal is considered to
           be adequate. Adverse changes in economic conditions and circumstances, however, are
           more likely to weaken this ability than bonds with higher ratings.
BB         rated bonds are considered speculative and of low investment grade. The obligor's
           ability to pay interest and repay principal is not strong and is considered likely
           to be affected over time by adverse economic changes.
B          rated bonds are considered highly speculative. Bonds in this class are lightly
           protected as to the obligor's ability to pay interest over the life of the issue
           and repay principal when due.
CCC        rated bonds may have certain identifiable characteristics which, if not remedied,
           could lead to the possibility of default in either principal or interest payments.
CC         rated bonds are minimally protected. Default in payment of interest and/or
           principal seems probable.
C          rated bonds are in imminent default in payment of interest or principal.
</TABLE>
 
                               SHORT-TERM RATINGS
 
    Fitch's short-term ratings apply to debt obligations that are payable on
demand or have original maturities of generally up to three years, including
commercial paper, certificates of deposit, medium-term notes, and municipal and
investment notes. Although the credit analysis is similar to Fitch's bond rating
analysis, the short-term rating places greater emphasis on the existence of
liquidity necessary to meet the issuer's obligations in a timely manner. Fitch's
short-term ratings are as follows:
 
<TABLE>
<S>        <C>
Fitch-1+   (Exceptionally Strong Credit Quality) Issues assigned this rating are regarded
           as having the strongest degree of assurance for timely payment.
Fitch-1    (Very Strong Credit Quality) Issues assigned this rating reflect an assurance of
           timely payment only slightly less in degree than issues rated Fitch-1+.
Fitch-2    (Good Credit Quality) Issues assigned this rating have a satisfactory degree of
           assurance for timely payment but the margin of safety is not as great as the two
           higher categories.
</TABLE>
 
                                       57
<PAGE>
<TABLE>
<S>        <C>
Fitch-3    (Fair Credit Quality) Issues assigned this rating have characteristics
           suggesting that the degree of assurance for timely payment is adequate, however,
           near-term adverse change is likely to cause these securities to be rated below
           investment grade.
Fitch-S    (Weak Credit Quality) Issues assigned this rating have characteristics
           suggesting a minimal degree of assurance for timely payment and are vulnerable
           to near term adverse changes in financial and economic conditions.
D          (Default) Issues assigned this rating are in actual or imminent payment default.
LOC        This symbol LOC indicates that the rating is based on a letter of credit issued
           by a commercial bank.
</TABLE>
 
   
DUFF & PHELPS, INC.
    
   
                               LONG-TERM RATINGS
    
 
    These ratings represent a summary opinion of the issuer's long-term
fundamental quality. Rating determination is based on qualitative and
quantitative factors which may vary according to the basic economic and
financial characteristics of each industry and each issuer. Important
considerations are vulnerability to economic cycles as well as risks related to
such factors as competition, government action, regulation, technological
obsolescence, demand shifts, cost structure, and management depth and expertise.
The projected viability of the obligor at the trough of the cycle is a critical
determination.
 
    Each rating also takes into account the legal form of the security, (e.g.,
first mortgage bonds, subordinated debt, preferred stock, etc.). The extent of
rating dispersion among the various classes of securities is determined by
several factors including relative weightings of the different security classes
in the capital structure, the overall credit strength of the issuer, and the
nature of covenant protection. Review of indenture restrictions is important to
the analysis of a company's operating and financial constraints.
 
    The Credit Rating Committee formally reviews all ratings once per quarter
(more frequently, if necessary).
 
<TABLE>
<CAPTION>
RATING SCALE     DEFINITION
 
<S>              <C>
AAA              Highest credit quality. The risk factors are negligible, being only slightly more than risk-free
                 U.S. Treasury debt.
 
AA+              High credit quality. Protection factors are strong. Risk is modest, but may vary slightly from
AA               time to time because of economic conditions.
AA-
 
A+               Protection factors are average but adequate. However, risk factors are more variable and greater
A                in periods of economic stress.
A
BBB+             Below average protection factors but still considered sufficient for prudent investment.
BBB              Considerable variability in risk during economic cycles.
BBB-
 
BB+              Below investment grade but deemed likely to meet obligations when due. Present or prospective
BB               financial protection factors fluctuate according to industry conditions or company fortunes.
BB-              Overall quality may move up or down frequently within this category.
 
B+               Below investment grade and possessing risk that obligations will not be met when due. Financial
B                protection factors will fluctuate widely according to economic cycles, industry conditions and/or
B-               company fortunes. Potential exists for frequent changes in the quality rating within this
                 category or into a higher or lower quality rating grade.
</TABLE>
 
                                       58
<PAGE>
<TABLE>
<S>              <C>
CCC              Well below investment grade securities. May be in default or have considerable uncertainty exists
                 as to timely payment of principal, interest or preferred dividends. Protection factors are narrow
                 and risk can be substantial with unfavorable economic/ industry conditions, and/or with
                 unfavorable company developments.
 
DD               Defaulted debt obligations. Issuer failed to meet scheduled principal and/or interest payments.
DP               Preferred stock with dividend arrearages.
</TABLE>
 
                               SHORT-TERM RATINGS
 
    Duff & Phelps' short-term ratings are consistent with the rating criteria
utilized by money market participants. The ratings apply to all obligations with
maturities of under one year, including commercial paper, the uninsured portion
of certificates of deposit, unsecured bank loans, master notes, bankers
acceptances, irrevocable letters of credit, and current maturities of long-term
debt. Asset-backed commercial paper is also rated according to this scale.
 
    Emphasis is placed on liquidity which is defined as not only cash from
operations, but also access to alternative sources of fund, including trade
credit, bank lines, and the capital markets. An important consideration is the
level of an obligor's reliance on short-term funds on an ongoing basis.
 
<TABLE>
<S>                  <C>
    A. CATEGORY 1:   HIGH GRADE
    Duff 1+          Highest certainty of timely payment. Short-term liquidity, including
                      internal operating factors and/or access to alternative sources of
                      funds, is outstanding, and safety is just below risk-free U.S.
                      Treasury short-term obligations.
    Duff 1           Very high certainty of timely payment. Liquidity factors are excellent
                      and supported by good fundamental protection factors. Risk factors are
                      minor.
    Duff-            High certainty of timely payment. Liquidity factors are strong and
                      supported by good fundamental protection factors. Risk factors are
                      very small.
 
    B. CATEGORY 2:   GOOD GRADE
    Duff 2           Good certainty of timely payment. Liquidity factors and company
                      fundamentals are sound. Although ongoing funding needs may enlarge
                      total financing requirements, access to capital markets is good. Risk
                      factors are small.
 
    C. CATEGORY 3:   SATISFACTORY GRADE
    Duff 3           Satisfactory liquidity and other protection factors qualify issue as to
                      investment grade. Risk factors are larger and subject to more
                      variation. Nevertheless, timely payment is expected.
 
    D. CATEGORY 4:   NON-INVESTMENT GRADE
    Duff 4           Speculative investment characteristics. Liquidity is not sufficient to
                      insure against disruption in debt service. Operating factors and
                      market access may be subject to a high degree of variation.
 
    E. CATEGORY 5:   DEFAULT
    Duff 5           Issuer failed to meet scheduled principal and/or interest payments.
</TABLE>
 
                                       59


<PAGE>

                        DEAN WITTER SHORT-TERM BOND FUND

                            PART C  OTHER INFORMATION


Item 24.  Financial Statements and Exhibits


     (a)  FINANCIAL STATEMENTS 

          (1)  Financial statements and schedules, included
          in Prospectus (Part A):                                       Page in
                                                                      Prospectus
                                                                      ----------

          Financial highlights for the period January 10, 1994
          through April 30, 1994 and for the fiscal years
          ended April 30, 1995, 1996, and 1997..................            4
          

          (2)  Financial statements included in the Statement of
          Additional Information (Part B): 
                                                                        Page in
                                                                          SAI
                                                                          ---

          Portfolio of Investments at April 30, 1997.............          43

          Statement of Assets and Liabilities at
          April 30, 1997.........................................          46
          
          Statement of Operations for the year ended 
          April 30, 1997.........................................          47
          
          Statement of Changes in Net Assets for the
          fiscal years ended April 30, 1996 and 1997.............          48

          Notes to Financial Statements..........................          49

          Financial highlights for the period January 10, 1994
          through April 30, 1994 and for the fiscal years
          ended April 30, 1995, 1996 and 1997....................          52


          (3) Financial statements included in Part C:

          None


   (b)    EXHIBITS:

               2.   --   By-Laws of the Registrant, Amended and Restated as of
                         October 25, 1996.

               5.   --   Form of Investment Management Agreement between the
                         Registrant and Dean Witter InterCapital Inc.

<PAGE>

               6.   --   Form of Distribution Agreement between the Registrant
                         and Dean Witter Distributors Inc.

              11.   --   Consent of Independent Accountants.

              16.   --   Schedules for Computation of Performance Quotations. 

              27.   --   Financial Data Schedule.

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


Item 25.  PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.

          None

Item 26.  NUMBER OF HOLDERS OF SECURITIES.

               (1)                                           (2)
                                                  Number of Record Holders
          Title of Class                               at May 31, 1997:
          --------------                          ------------------------

          Shares of Beneficial Interest                     1,636

Item 27.  INDEMNIFICATION

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

          Pursuant to Section 5.2 of the Registrant's Declaration of Trust and
paragraph 8 of the Registrant's Investment Management Agreement,
neither the Investment Manager nor any trustee, officer, employee or agent of
the Registrant shall be liable for any action or failure to act, except in the
case of bad faith, willful misfeasance, gross negligence or reckless 


                                        2
<PAGE>

disregard of duties to the Registrant.

          Insofar as indemnification for liabilities arising under the
Securities Act of 1933 (the "Act") may be permitted to trustees, officers and
controlling persons of the Registrant pursuant to the foregoing provisions or
otherwise, the  Registrant has been advised that in the opinion of the 
Securities and Exchange Commission such indemnification is against public policy
as expressed in the Act and is, therefore, unenforceable.  In the event that a
claim for indemnification against such liabilities (other than the payment by
the Registrant of expenses incurred or paid by a trustee, officer, or
controlling person of the Registrant in connection with the successful defense
of any action, suit or proceeding) is asserted against the Registrant by such
trustee, officer or controlling person in connection with the shares being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act, and will be governed by the final adjudication
of such issue.

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

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


Item 28.  BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER.  

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

                                        3
<PAGE>
          The term "Dean Witter Funds" used below refers to the following
registered investment companies:

CLOSED-END INVESTMENT COMPANIES
 (1) InterCapital Income Securities Inc.
 (2) High Income Advantage Trust
 (3) High Income Advantage Trust II
 (4) High Income Advantage Trust III
 (5) Municipal Income Trust
 (6) Municipal Income Trust II
 (7) Municipal Income Trust III
 (8) Dean Witter Government Income Trust
 (9) Municipal Premium Income Trust
(10) Municipal Income Opportunities Trust
(11) Municipal Income Opportunities Trust II
(12) Municipal Income Opportunities Trust III
(13) Prime Income Trust
(14) InterCapital Insured Municipal Bond Trust
(15) InterCapital Quality Municipal Income Trust
(16) InterCapital Quality Municipal Investment Trust
(17) InterCapital Insured Municipal Income Trust
(18) InterCapital California Insured Municipal Income Trust
(19) InterCapital Insured Municipal Trust
(20) InterCapital Quality Municipal Securities
(21) InterCapital New York Quality Municipal Securities
(22) InterCapital California Quality Municipal Securities
(23) InterCapital Insured California Municipal Securities 
(24) InterCapital Insured Municipal Securities

OPEN-END INVESTMENT COMPANIES:
 (1) Dean Witter Short-Term Bond Fund
 (2) Dean Witter Tax-Exempt Securities Trust
 (3) Dean Witter Tax-Free Daily Income Trust
 (4) Dean Witter Dividend Growth Securities Inc.
 (5) Dean Witter Convertible Securities Trust
 (6) Dean Witter Liquid Asset Fund Inc.
 (7) Dean Witter Developing Growth Securities Trust
 (8) Dean Witter Retirement Series
 (9) Dean Witter Federal Securities Trust
(10) Dean Witter World Wide Investment Trust
(11) Dean Witter U.S. Government Securities Trust
(12) Dean Witter Select Municipal Reinvestment Fund
(13) Dean Witter High Yield Securities Inc.
(14) Dean Witter Intermediate Income Securities
(15) Dean Witter New York Tax-Free Income Fund
(16) Dean Witter California Tax-Free Income Fund
(17) Dean Witter Health Sciences Trust
(18) Dean Witter California Tax-Free Daily Income Trust
(19) Dean Witter Global Asset Allocation Fund
(20) Dean Witter American Value Fund
(21) Dean Witter Strategist Fund
(22) Dean Witter Utilities Fund
(23) Dean Witter World Wide Income Trust
(24) Dean Witter New York Municipal Money Market Trust
(25) Dean Witter Capital Growth Securities
(26) Dean Witter Precious Metals and Minerals Trust
(27) Dean Witter European Growth Fund Inc.


                                        4
<PAGE>

(28) Dean Witter Global Short-Term Income Fund Inc.
(29) Dean Witter Pacific Growth Fund Inc.
(30) Dean Witter Multi-State Municipal Series Trust
(31) Dean Witter Short-Term U.S. Treasury Trust
(32) Dean Witter Diversified Income Trust
(33) Dean Witter U.S. Government Money Market Trust
(34) Dean Witter Global Dividend Growth Securities
(35) Active Assets California Tax-Free Trust
(36) Dean Witter Natural Resource Development Securities Inc.
(37) Active Assets Government Securities Trust
(38) Active Assets Money Trust
(39) Active Assets Tax-Free Trust
(40) Dean Witter Limited Term Municipal Trust
(41) Dean Witter Variable Investment Series
(42) Dean Witter Value-Added Market Series
(43) Dean Witter Global Utilities Fund
(44) Dean Witter High Income Securities
(45) Dean Witter National Municipal Trust
(46) Dean Witter International SmallCap Fund
(47) Dean Witter Mid-Cap Growth Fund
(48) Dean Witter Select Dimensions Investment Series
(49) Dean Witter Balanced Growth Fund
(50) Dean Witter Balanced Income Fund
(51) Dean Witter Hawaii Municipal Trust
(52) Dean Witter Capital Appreciation Fund
(53) Dean Witter Intermediate Term U.S. Treasury Trust 
(54) Dean Witter Information Fund
(55) Dean Witter Japan Fund
(56) Dean Witter Income Builder Fund
(57) Dean Witter Special Value Fund
(58) Dean Witter Financial Services Trust
(59) Dean Witter Market Leader Trust

The term "TCW/DW Funds" refers to the following registered investment companies:

OPEN-END INVESTMENT COMPANIES
 (1) TCW/DW Core Equity Trust
 (2) TCW/DW North American Government Income Trust
 (3) TCW/DW Latin American Growth Fund
 (4) TCW/DW Income and Growth Fund 
 (5) TCW/DW Small Cap Growth Fund
 (6) TCW/DW Balanced Fund 
 (7) TCW/DW Total Return Trust
 (8) TCW/DW Mid-Cap Equity Trust
 (9) TCW/DW Global Telecom Trust
 (10)TCW/DW Strategic Income Trust

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


                                        5
<PAGE>

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

Charles A. Fiumefreddo   Executive Vice President and Director of Dean 
Chairman, Chief          Witter Reynolds Inc. ("DWR"); Chairman, Chief
Executive Officer and    Executive Officer and Director of Dean Witter
Director                 Distributors Inc. ("Distributors") and Dean
                         Witter Services Company Inc. ("DWSC"); Chairman 
                         and Director of Dean Witter Trust Company ("DWTC");
                         Chairman, Director or Trustee, President and Chief 
                         Executive Officer of the Dean Witter Funds and 
                         Chairman, Chief Executive Officer and Trustee of 
                         the TCW/DW Funds; Director and/or officer of 
                         various Morgan Stanley, Dean Witter, 
                         Discover & Co. ("MSDWD") subsidiaries; Formerly
                         Executive Vice President and Director of Dean Witter,
                         Discover & Co.

Philip J. Purcell        Chairman, Chief Executive Officer and Director of
Director                 of MSDWD and DWR; Director of DWSC and Distributors;
                         Director or Trustee of the Dean Witter Funds; Director
                         and/or officer of various MSDWD subsidiaries.

Richard M. DeMartini     Executive Vice President of DWDC; President and 
Director                 Chief Operating Officer of Dean Witter Capital,
                         a division of DWR; Member of the MSDWD Management
                         Committee; Director of DWR, DWSC, Distributors
                         and DWTC; Trustee of the TCW/DW Funds.

James F. Higgins         Executive Vice President of MSDWD; President and
Director                 Chief Operating Officer of Dean Witter Financial;
                         Director of DWR, DWSC, Distributors and DWTC.

Thomas C. Schneider      Executive Vice President, Chief Strategic  
Director                 and Administrative Officer of MSDWD; Director of
                         DWR, DWSC and Distributors.

Christine A. Edwards     Executive Vice President, Chief Legal Officer,
Director                 Secretary of MSDWD and DWR; Executive Vice
                         President, Secretary and Chief Legal Officer of
                         Distributors; Director of DWR, DWSC and
                         Distributors.

Robert M. Scanlan        President and Chief Operating Officer of DWSC, 
President and Chief      Executive Vice President of Distributors; 
Operating Officer        Executive Vice President and Director of DWTC;
                         Vice President of the Dean Witter Funds and the TCW/DW
                         Funds.


                                        6
<PAGE>

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

Mitchell M. Merin        President and Chief Strategic Officer of DWSC,
President and Chief      Executive Vice President of Distributors; 
Strategic Officer        Executive Vice President and Director of DWTC;
                         Executive Vice President and Director of DWR;
                         Director of SPS Transaction Services, Inc. and
                         various other MSDWD subsidiaries.

John B. Van Heuvelen     President, Chief Operating Officer and Director
Executive Vice           of DWTC.
President

Joseph J. McAlinden
Executive Vice President
and Chief Investment     Vice President of the Dean Witter Funds and
Officer                  Director of DWTC.

Barry Fink               Assistant Secretary of DWR; Senior Vice President,
Senior Vice President,   Secretary and General Counsel of DWSC; Senior Vice
Secretary and General    President, Assistant Secretary and Assistant 
Counsel                  General Counsel of Distributors; Vice President,
                         Secretary and General Counsel of the Dean Witter 
                         Funds and the TCW/DW Funds.

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

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

Richard Felegy
Senior Vice President                                                

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

Robert S. Giambrone      Senior Vice President of DWSC, Distributors     
Senior Vice President    and DWTC and Director of DWTC; Vice President
                         of the Dean Witter Funds and the TCW/DW Funds. 

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

Kenton J. Hinchcliffe    
Senior Vice President    Vice President of various Dean Witter Funds.

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


                                        7
<PAGE>

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

Jenny Beth Jones         Vice President of Dean Witter Special Value Fund.
Senior Vice President

John B. Kemp, III        Director of the Provident Savings Bank, Jersey
Senior Vice President    City, New Jersey.

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

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

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

Guy G. Rutherfurd, Jr.   Vice President of Dean Witter Market Leader
Senior Vice President    Trust.

Rafael Scolari           Vice President of Prime Income Trust.
Senior Vice President

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

Jayne M. Stevlingston    Vice President of various Dean Witter Funds.
Senior Vice President

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

Elizabeth A. Vetell      
Senior Vice President

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

Ronald J. Worobel        
Senior Vice President    Vice President of various Dean Witter Funds.

Douglas Brown            
First Vice President

Thomas F. Caloia         First Vice President and Assistant Treasurer of
First Vice President     DWSC, Assistant Treasurer of Distributors;
and Assistant            Treasurer and Chief Financial Officer of the
Treasurer                Dean Witter Funds and the TCW/DW Funds.

Thomas Chronert          
First Vice President


                                        8
<PAGE>

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

Rosalie Clough
First Vice President

Marilyn K. Cranney       Assistant Secretary of DWR; First Vice President
First Vice President     and Assistant Secretary of DWSC; Assistant
and Assistant Secretary  Secretary of the Dean Witter Funds and the TCW/DW
                         Funds.

Michael Interrante       First Vice President and Controller of DWSC; 
First Vice President     Assistant Treasurer of Distributors;First Vice
and Controller           President and Treasurer of DWTC. 

David Johnson
First Vice President

Stanley Kapica
First Vice President

Robert Zimmerman
First Vice President

Dale Albright
Vice President

Joan G. Allman
Vice President

Andrew Arbenz
Vice President

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

Kirk Balzer
Vice President           Vice President of Various Dean Witter Funds.

Nancy Belza
Vice President

Dale Boettcher
Vice President

Joseph Cardwell
Vice President

Philip Casparius
Vice President

B. Catherine Connelly
Vice President


                                        9
<PAGE>

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

Salvatore DeSteno
Vice President           Vice President of DWSC.

Frank J. DeVito          
Vice President           Vice President of DWSC.

Bruce Dunn
Vice President

Jeffrey D. Geffen
Vice President

Deborah Genovese
Vice President

Michael Geringer
Vice President

Stephen Greenhut
Vice President

Peter W. Gurman
Vice President

Matthew Haynes
Vice President

Peter Hermann
Vice President           Vice President of various Dean Witter Funds

Elizabeth Hinchman
Vice President

David Hoffman
Vice President

Christopher Jones
Vice President

James P. Kastberg
Vice President

Michelle Kaufman
Vice President

Michael Knox              
Vice President           Vice President of various Dean Witter Funds 


                                       10
<PAGE>

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

Konrad J. Krill
Vice President           Vice President of various Dean Witter Funds.

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

Thomas Lawlor
Vice President

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

Catherine Maniscalco
Vice President

Albert McGarity
Vice President

LouAnne D. McInnis       Vice President and Assistant Secretary of DWSC;
Vice President and       Assistant Secretary of the Dean Witter Funds and
Assistant Secretary      the TCW/DW Funds.

Sharon K. Milligan       
Vice President

Julie Morrone            
Vice President

Mary Beth Mueller
Vice President

David Myers              
Vice President

James Nash
Vice President

Richard Norris
Vice President

Carsten Otto             Vice President and Assistant Secretary of DWSC;
Vice President and       Assistant Secretary of the Dean Witter Funds and 
Assistant Secretary      the TCW/DW Funds.

George Paoletti
Vice President

Anne Pickrell            Vice President of Dean Witter Global Short-
Vice President           Term Income Fund Inc.


                                       11
<PAGE>

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

Michael Roan
Vice President

Hugh Rose
Vice President

Robert Rossetti          Vice President of Dean Witter Precious Metal and 
Vice President           Minerals Trust.

Ruth Rossi               Vice President and Assistant Secretary of DWSC;
Vice President and       Assistant Secretary of the Dean Witter Funds and
Assistant Secretary      the TCW/DW Funds.

Carl F. Sadler
Vice President

Peter Seeley             Vice President of Dean Witter World
Vice President           Wide Income Trust

Naomi Stein
Vice President

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

Marybeth Swisher
Vice President

Vinh Q. Tran
Vice President           Vice President of various Dean Witter Funds.

Robert Vanden Assem
Vice President

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

Katherine Wickham
Vice President

Item 29.    PRINCIPAL UNDERWRITERS

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

 (1)        Dean Witter Liquid Asset Fund Inc.
 (2)        Dean Witter Tax-Free Daily Income Trust
 (3)        Dean Witter California Tax-Free Daily Income Trust


                                       12
<PAGE>

 (4)        Dean Witter Retirement Series
 (5)        Dean Witter Dividend Growth Securities Inc.
 (6)        Dean Witter Global Asset Allocation
 (7)        Dean Witter World Wide Investment Trust
 (8)        Dean Witter Capital Growth Securities 
 (9)        Dean Witter Convertible Securities Trust
(10)        Active Assets Tax-Free Trust
(11)        Active Assets Money Trust
(12)        Active Assets California Tax-Free Trust
(13)        Active Assets Government Securities Trust
(14)        Dean Witter Short-Term Bond Fund
(15)        Dean Witter Mid-Cap Growth Fund
(16)        Dean Witter U.S. Government Securities Trust
(17)        Dean Witter High Yield Securities Inc.
(18)        Dean Witter New York Tax-Free Income Fund
(19)        Dean Witter Tax-Exempt Securities Trust
(20)        Dean Witter California Tax-Free Income Fund
(21)        Dean Witter Limited Term Municipal Trust
(22)        Dean Witter Natural Resource Development Securities Inc.
(23)        Dean Witter World Wide Income Trust
(24)        Dean Witter Utilities Fund
(25)        Dean Witter Strategist Fund
(26)        Dean Witter New York Municipal Money Market Trust
(27)        Dean Witter Intermediate Income Securities
(28)        Prime Income Trust
(29)        Dean Witter European Growth Fund Inc.
(30)        Dean Witter Developing Growth Securities Trust
(31)        Dean Witter Precious Metals and Minerals Trust
(32)        Dean Witter Pacific Growth Fund Inc.
(33)        Dean Witter Multi-State Municipal Series Trust
(34)        Dean Witter Federal Securities Trust
(35)        Dean Witter Short-Term U.S. Treasury Trust
(36)        Dean Witter Diversified Income Trust
(37)        Dean Witter Health Sciences Trust
(38)        Dean Witter Global Dividend Growth Securities
(39)        Dean Witter American Value Fund
(40)        Dean Witter U.S. Government Money Market Trust
(41)        Dean Witter Global Short-Term Income Fund Inc.
(42)        Dean Witter Value-Added Market Series
(43)        Dean Witter Global Utilities Fund
(44)        Dean Witter High Income Securities
(45)        Dean Witter National Municipal Trust    
(46)        Dean Witter International SmallCap Fund
(47)        Dean Witter Balanced Growth Fund
(48)        Dean Witter Balanced Income Fund
(49)        Dean Witter Hawaii Municipal Trust
(50)        Dean Witter Variable Investment Series   
(51)        Dean Witter Capital Appreciation Fund
(52)        Dean Witter Intermediate Term U.S. Treasury Trust
(53)        Dean Witter Information Fund
(54)        Dean Witter Japan Fund
(55)        Dean Witter Income Builder Fund
(56)        Dean Witter Special Value Fund
(57)        Dean Witter Financial Services Trust


                                       13
<PAGE>

(58)        Dean Witter Market Leader Trust
 (1)        TCW/DW Core Equity Trust
 (2)        TCW/DW North American Government Income Trust
 (3)        TCW/DW Latin American Growth Fund
 (4)        TCW/DW Income and Growth Fund
 (5)        TCW/DW Small Cap Growth Fund
 (6)        TCW/DW Balanced Fund
 (7)        TCW/DW Total Return Trust
 (8)        TCW/DW Mid-Cap Equity Trust
 (9)        TCW/DW Global Telecom Trust 
 (10)       TCW/DW Strategic Income Trust

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


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

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

     Michael T. Gregg                        Vice President and Assistant
                                             Secretary.


Item 30.    LOCATION OF ACCOUNTS AND RECORDS

       All accounts, books and other documents required to be maintained by
Section 31(a) of the Investment Company Act of 1940 and the Rules thereunder are
maintained by the Investment Manager at its offices, except records relating to
holders of shares issued by the Registrant, which are maintained by the
Registrant's Transfer Agent, at its place of business as shown in the
prospectus.


Item 31.    MANAGEMENT SERVICES

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

Item 32.    UNDERTAKINGS

        Registrant hereby undertakes to furnish each person to whom a prospectus
is delivered with a copy of the Registrant's latest annual report to
shareholders, upon request and without charge.


                                       14
<PAGE>

                                      SIGNATURES
                                      ----------

    Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant certifies that it meets all of
the requirements for effectiveness of this Registration Statement pursuant to
Rule 485(b) under the Securities Act of 1933 and has duly caused this
Post-Effective Amendment to the Registration Statement to be signed on its
behalf by the undersigned, thereunto duly authorized, in the City of New York
and State of New York on the 30th day of June, 1997.

                                             DEAN WITTER SHORT-TERM BOND FUND   

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

    Pursuant to the requirements of the Securities Act of 1933, this
Post-Effective Amendment No. 4 has been signed below by the following persons in
the capacities and on the dates indicated.

    Signatures                      Title                         Date
    ----------                      -----                         ----

(1) Principal Executive Officer     President, Chief 
                                    Executive Officer,
                                    Trustee and Chairman
By   /s/ Charles A. Fiumefreddo                                  06/30/97 
     -----------------------------
         Charles A. Fiumefreddo

(2) Principal Financial Officer     Treasurer and Principal
                                    Accounting Officer
                   
By   /s/ Thomas F. Caloia                                        06/30/97
     -----------------------------
         Thomas F. Caloia

(3) Majority of the Trustees 

    Charles A. Fiumefreddo (Chairman)
    Philip J. Purcell

By  /s/ Barry Fink                                               06/30/97
     -----------------------------
        Barry Fink    
        Attorney-in-Fact

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


By   /s/ David M. Butowsky                                       06/30/97
     -----------------------------
        David M. Butowsky  
        Attorney-in-Fact 
<PAGE>

                                    EXHIBIT INDEX
                                    -------------

   2.    --   By-Laws of the Registrant, Amended and Restated as of 
              October 25, 1996.

   5.    --   Form of Investment Management Agreement between the Registrant
              and Dean Witter Intercapital Inc.

   6.    --   Form of Distribution Agreement between the Registrant and Dean
              Witter Distributors Inc.

  11.    --   Consent of Independent Accountants.

  16.    --   Schedules for Computation of Performance Quotations. 

  27.    --   Financial Data Schedule.

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

All other exhibits were previously filed and are incorporated by reference.


<PAGE>


                                       BY-LAWS

                                          OF

                         DEAN WITTER SHORT-TERM BOND FUND
                    AMENDED AND RESTATED AS OF OCTOBER 25, 1996

                                      ARTICLE I
                                     DEFINITIONS

   The terms "COMMISSION", "DECLARATION", "DISTRIBUTOR", "INVESTMENT ADVISER",
"MAJORITY SHAREHOLDER VOTE", "1940 ACT", "SHAREHOLDER", "SHARES","TRANSFER
AGENT", "TRUST", "TRUST PROPERTY", and "TRUSTEES" have the respective meanings
given them in the Declaration of Trust of Dean Witter Short-Term Bond Fund dated
October 21, 1993.

                                      ARTICLE II

                                       OFFICES

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

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

                                     ARTICLE III

                                SHAREHOLDERS' MEETINGS

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

   SECTION 3.2. MEETINGS. Meetings of Shareholders of the Trust shall be held 
whenever called by the Trustees or the President of the Trust and whenever 
election of a Trustee or Trustees by Shareholders is required by the 
provisions of Section 16(a) of the 1940 Act, for that purpose. Meetings of 
Shareholders shall also be called by the Secretary upon the written request 
of the holders of Shares entitled to vote as otherwise required by 
Section16(c) of the 1940 Act and to the extent required by the corporate or 
business statute of any state in which the Shares of the Trust are sold, as 
made applicable to the Trust by the provisions of Section 2.3 of the 
Declaration.Such request shall state the purpose or purposes of such meeting 
and the matters proposed to be acted on thereat. Except to the extent 
otherwise required by Section 16(c) of the 1940 Act, as made applicable to 
the Trust by the provisions of Section 2.3 of the Declaration, the Secretary 
shall inform such Shareholders of the reasonable estimated cost of preparing 
and mailing such notice of the meeting, and upon payment to the Trust of such 
costs, the Secretary shall give notice stating the purpose or purposes of the 
meeting to all entitled to vote at such meeting. No meeting need be called 
upon the request of the holders of Shares entitled to cast less than a 
majority of all votes entitled to be cast at such meeting, to consider any 
matter which is substantially the same as a matter voted upon at any meeting 
of Shareholders held during the preceding twelve months.

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

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


                                          1

<PAGE>
issued and outstanding and entitled to vote thereat, present in person
or represented by proxy, shall be requisite and shall constitute a quorum for
the transaction of business. In the absence of a quorum, the Shareholders
present or represented by proxy and entitled to vote thereat shall have power to
adjourn the meeting from time to time. Any adjourned meeting may be held as
adjourned without further notice. At any adjourned meeting at which a quorum
shall be present, any business may be transacted as if the meeting had been held
as originally called.

   SECTION 3.5. VOTING RIGHTS, Proxies. At each meeting of Shareholders,
each holder of record of Shares entitled to vote thereat shall be entitled to
one vote in person or by proxy, executed in writing by the Shareholder or his
duly authorized attorney-in-fact, for each Share of beneficial interest of the
Trust and for the fractional portion of one vote for each fractional Share
entitled to vote so registered in his name on the records of the Trust on the
date fixed as the record date for the determination of Shareholders entitled to
vote at such meeting. No proxy shall be valid after eleven months from its date,
unless otherwise provided in the proxy. At all meetings of Shareholders, unless
the voting is conducted by inspectors, all questions relating to the
qualification of voters and the validity of proxies and the acceptance or
rejection of votes shall be decided by the chairman of the meeting. Pursuant to
a resolution of a majority of the Trustees, proxies may be solicited in the name
of one or more Trustees or Officers of the Trust.

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

   SECTION 3.7. INSPECTORS OF ELECTION. In advance of any meeting of 
Shareholders, the Trustees may appoint Inspectors of Election to act at the 
meeting or any adjournment thereof. If Inspectors of Election are not so 
appointed, the chairman of any meeting of Shareholders may, and on the 
request of any Shareholder or his proxy shall, appoint Inspectors of Election 
of the meeting. In case any person appointed as Inspector fails to appear or 
fails or refuses to act, the vacancy may be filled by appointment made by the 
Trustees in advance of the convening of the meeting or at the meeting by the 
person acting as chairman. The Inspectors of Election shall determine the 
number of Shares outstanding, the Shares represented at the meeting, the 
existence of a quorum, the authenticity, validity and effect of proxies,shall 
receive votes, ballots or consents, shall hear and determine all challenges 
and questions in any way arising in connection with the right to vote, shall 
count and tabulate all votes or consents, determine the results, and do such 
other acts as may be proper to conduct the election or vote with fairness to 
all Shareholders. On request of the chairman of the meeting, or of any 
Shareholder or his proxy, the Inspectors of Election shall make a report in 
writing of any challenge or question or matter determined by them and shall 
execute a certificate of any facts found by them.

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

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

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


                                      ARTICLE IV

                                       TRUSTEES

   SECTION 4.1. MEETINGS OF THE TRUSTEES. The Trustees may in their discretion
provide for regular or special meetings of the Trustees. Regular meetings of the
Trustees may be held at such time and place as


                                          2

<PAGE>

shall be determined from time to time by the Trustees without further
notice. Special meetings of the Trustees may be called at any time by the
Chairman and shall be called by the Chairman or the Secretary upon the written
request of any two (2) Trustees.

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

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

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

   SECTION 4.5. ACTION BY TRUSTEES WITHOUT MEETING. The provisions of
these By-Laws covering notices and meetings to the contrary notwithstanding,
and except as required by law, any action required or permitted to be taken at
any meeting of the Trustees may be taken without a meeting if a consent in
writing setting forth the action shall be signed by all of the Trustees entitled
to vote upon the action and such written consent is filed with the minutes of
proceedings of the Trustees.

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

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

   SECTION 4.8. INDEMNIFICATION OF TRUSTEES, OFFICERS, EMPLOYEES AND AGENTS. 
(a) The Trust shall indemnify any person who was or is a party or is 
threatened to be made a party to any threatened, pending, or completed 
action, suit or proceeding, whether civil, criminal, administrative or 
investigative (other than an action by or in the right of the Trust) by 
reason of the fact that he is or was a Trustee, officer, employee, or agent 
of the Trust. The indemnification shall be against expenses, including 
attorneys' fees, judgments, fines, and amounts paid in settlement, actually 
and reasonably incurred by him in connection with the action, suit, or 
proceeding, if he acted in good faith and in a manner he reasonably believed 
to be in or not opposed to the best interests of the Trust, and, with 
respectto any criminal action

                                          3
<PAGE>

or proceeding, had no reasonable cause to believe his conduct was unlawful.The
termination of any action, suit or proceeding by judgment, order, settlement,
conviction, or upon a plea of nolo contendere or its equivalent, shall not, of
itself, create a presumption that the person did not act in good faith and in a
manner which he reasonably believed to be in or not opposed to the best
interests of the Trust, and, with respect to any criminal action or proceeding,
had reasonable cause to believe that his conduct was unlawful.

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

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

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

       (2) The determination shall be made:

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

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

        (iii) By the Shareholders.

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

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

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

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

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

                                          4
<PAGE>

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

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

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

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

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

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

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

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

   (f) The indemnification provided by this Section shall not be deemed 
exclusive of any other rights to which a person may be entitled under any 
by-law, agreement, vote of Shareholders or disinterested Trustees or 
otherwise, both as to action in his official capacity and as to action in 
another capacity while holding the office, and shall continue as to a person 
who has ceased to be a Trustee, officer, employee, or agent and inure to the 
benefit of the heirs, executors and administrators of such person; provided 
that no person may satisfy any right of indemnity or reimbursement granted 
herein or to which he may be otherwise entitled except out of the property of 
the Trust, and no Shareholder shall be personally liable with respect to any 
claim for indemnity or reimbursement or otherwise.

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

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

                                      ARTICLE V

                                      COMMITTEES

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

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

                                          5

<PAGE>

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

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

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

                                      ARTICLE VI

                                       OFFICERS

   SECTION 6.1. EXECUTIVE OFFICERS. The executive officers of the Trust shall 
be a Chairman, a President, one or more Vice Presidents, a Secretary and a 
Treasurer. The Chairman shall be selected from among the Trustees but none of 
the other executive officers need be a Trustee. Two or more offices, except 
those of President and any Vice President, may be held by the same person, 
but no officer shall execute, acknowledge or verify any instrument in more 
than one capacity. The executive officers of the Trust shall be elected 
annually by the Trustees and each executive officer so elected shall hold 
office until his successor is elected and has qualified.

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

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

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

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

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

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

                                          6
 <PAGE>

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

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

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

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

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

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

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

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

                                     ARTICLE VII

                             DIVIDENDS AND DISTRIBUTIONS

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

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

                                          7

<PAGE>

                                     ARTICLE VIII

                                CERTIFICATES OF SHARES

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

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

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

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

                                      ARTICLE IX

                                      CUSTODIAN

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

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

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

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

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

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

                                          8

<PAGE>

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

                                      ARTICLE X

                                   WAIVER OF NOTICE

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

                                      ARTICLE XI

                                    MISCELLANEOUS

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

   SECTION 11.2. RECORD DATE. The Trustees may fix in advance a date as the 
record date for the purpose of determining Shareholders entitled to notice 
of, or to vote at, any meeting of Shareholders, or Shareholders entitled to 
receive payment of any dividend or the allotment of any rights, or in order 
to make a determination of Shareholders for any other proper purpose. Such 
date, in any case, shall be not more than ninety (90) days, and in case of a 
meeting of Shareholders not less than ten (10) days, prior to the date on 
which particular action requiring such determination of Shareholders is to be 
taken. In lieu of fixing a record date the Trustees may provide that the 
transfer books shall be closed for a stated period but not to exceed, in any 
case, twenty (20) days. If the transfer books are closed for the purpose of 
determining Shareholders entitled to notice of a vote at a meeting of 
Shareholders, such books shall be closed for at least ten (10) days 
immediately preceding such meeting.

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

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

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

                                          9

<PAGE>

                                     ARTICLE XII

                         COMPLIANCE WITH FEDERAL REGULATIONS

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

                                     ARTICLE XIII

                                      AMENDMENTS

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

                                     ARTICLE XIV

                                 DECLARATION OF TRUST

   The Declaration of Trust establishing Dean Witter Short-Term Bond Fund, 
dated October 21, 1993, a copy of which is on file in the office of the 
Secretary of the Commonwealth of Massachusetts, provides that the name Dean 
Witter Short-Term Bond Fund refers to the Trustees under the Declaration 
collectively as Trustees, but not as individuals or personally; and no 
Trustee, Shareholder, officer, employee or agent of Dean Witter Short-Term 
Bond Fund shall be held to any personal liability, nor shall resort be had to 
their private property for the satisfaction of any obligation or claim or 
otherwise, in connection with the affairs of said Dean Witter Short-Term Bond 
Fund, but the Trust Estate only shall be liable.

                                          10

<PAGE>

                           INVESTMENT MANAGEMENT AGREEMENT 

    AGREEMENT made as of the 31st day of May, 1997 by and between Dean Witter 
Short-Term Bond Fund, an unincorporated business trust organized under the 
laws of the Commonwealth of Massachusetts (hereinafter called the "Fund"), 
and Dean Witter InterCapital Inc., a Delaware corporation (hereinafter called 
the "Investment Manager"): 

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

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

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

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

    Now, Therefore, this Agreement 

                                 W I T N E S S E T H:

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

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

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

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

    4. The Investment Manager shall bear the cost of rendering the investment 
management and supervisory services to be performed by it under this 
Agreement, and shall, at its own expense, pay the compensation of the 
officers and employees, if any, of the Fund, and provide such office space, 
facilities and equipment and such clerical help and bookkeeping services as 
the Fund shall reasonably require in the conduct of its business. The 
Investment Manager shall also bear the cost of telephone service, heat, 
light, power and other utilities provided to the Fund. 

<PAGE>

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

    6. For the services to be rendered, the facilities furnished, and the 
expenses assumed by the Investment Manager, the Fund shall pay to the 
Investment Manager monthly compensation determined by applying the annual 
rate of 0.70% to the daily net assets of the Fund determined as of the close 
of each business day. Except as hereinafter set forth, compensation under 
this Agreement shall be calculated and accrued daily and the amounts of the 
daily accruals shall be paid monthly. Such calculations shall be made by 
applying 1/365ths of the annual rates to the net assets of the Fund each day 
determined as of the close of business on that day or the last previous 
business day. If this Agreement becomes effective subsequent to the first day 
of a month or shall terminate before the last day of a month, compensation 
for that part of the month this Agreement is in effect shall be prorated in a 
manner consistent with the calculation of the fees as set forth above. 

    Subject to the provisions of paragraph 7 hereof, payment of the Investment 
Manager's compensation for the preceding month shall be made as promptly as 
possible after completion of the computations contemplated by paragraph 7 
hereof. 

    7. In the event the operating expenses of the Fund, including amounts 
payable to the Investment Manager pursuant to paragraph 6 hereof, for any 
fiscal year ending on a date on which this Agreement is in effect, exceed the 
expense limitations applicable to the Fund imposed by state securities laws 
or regulations thereunder, as such limitations may be raised or lowered from 
time to time, the Investment Manager shall reduce its management fee in 
respect to the Fund to the extent of such excess and, if required, pursuant 
to any such laws or regulations, will reimburse the Fund for annual operating 
expenses in excess of any expense limitation that may be applicable; 
provided, however, there shall be excluded from such expenses the amount of 
any interest, taxes, brokerage commissions, distribution fees and 
extraordinary expenses (including but not limited to legal claims and 
liabilities and litigation costs and any indemnification related thereto) 
paid or payable by the Fund. Such reduction, if any, shall be computed and 
accrued daily, shall be settled on a monthly basis, and shall be based upon 
the expense limitation applicable to the Fund as at the end of the last 
business day of the month. Should two or more such expense limitations be 
applicable as at the end of the last business of the month, that expense 
limitation which results in the largest reduction in the Investment Manager's 
fee shall be applicable. 

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

                                          2

<PAGE>

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

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

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

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

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

    13. The Investment Manager and the Fund each agree that the name "Dean 
Witter," which comprises a component of the Fund's name, is a property right 
of the Investment Manager. The Fund agrees and consents that (i) it will only 
use the name "Dean Witter" as a component of its name and for no other 
purpose, (ii) it will not purport to grant to any third party the right to 
use the name "Dean Witter" for any purpose, (iii) the Investment Manager or 
its parent, Morgan Stanley, Dean Witter, Discover & Co., or any corporate 
affiliate of the Investment Manager's parent, may use or grant to others the 
right to use the name "Dean Witter," or any combination or abbreviation 
thereof, as all or a portion of a corporate or business name or for any 
commercial purpose, including a grant of such right to any other investment 
company, (iv) at the request of the Investment Manager or its parent, the 
Fund will take such action as may be required to provide its consent to the 
use of the name "Dean Witter," or any combination or abbreviation thereof, by 
the Investment Manager or its parent or any corporate affiliate of the 
Investment Manager's parent, or by any person to whom the Investment Manager 
or its parent or any corporate affiliate of the Investment Manager's parent 
shall have granted the right to such use, and (v) upon the termination of any 
investment advisory agreement into which the Investment Manager and the Fund 
may enter, or upon termination of affiliation of the Investment Manager with 
its parent, the Fund shall, upon request by the Investment Manager or its 
parent, cease to use the name "Dean Witter" as a component of its name, and 
shall not use the name, or any combination or abbreviation thereof, as a part 
of its name or for any other commercial purpose, and shall cause its 
officers, Trustees and shareholders to take any and all actions which the 
Investment Manager or its parent may request to effect the foregoing and to 
reconvey to the Investment Manager or its parent any and all rights to such 
name. 

                                          3

<PAGE>

    14. The Declaration of Trust establishing Dean Witter Short-Term Bond 
Fund, dated October 21, 1993, a copy of which, together with all amendments 
thereto (the "Declaration"), is on file in the office of the Secretary of the 
Commonwealth of Massachusetts, provides that the name Dean Witter Short-Term 
Bond Fund refers to the Trustees under the Declaration collectively as 
Trustees, but not as individuals or personally; and no Trustee, shareholder, 
officer, employee or agent of Dean Witter Short-Term Bond Fund shall be held 
to any personal liability, nor shall resort be had to their private property 
for the satisfaction of any obligation or claim or otherwise, in connection 
with the affairs of said Dean Witter Short-Term Bond Fund, but the Trust 
Estate only shall be liable. 

    IN WITNESS WHEREOF, the parties hereto have executed and delivered this 
Agreement on the day and year first above written in New York, New York. 

                                        DEAN WITTER SHORT-TERM BOND FUND
 

                                        By: /s/ Barry Fink
                                           ............................. 

Attest: 

/s/ Ruth Rossi
 ................................


                                        DEAN WITTER INTERCAPITAL INC. 


                                        By: /s/ Charles A. FiumeFreddo
                                           ............................. 

Attest: 

/s/ Marilyn K. Cranney
 ................................


                                          4

<PAGE>

                          DEAN WITTER SHORT-TERM BOND FUND 

                               DISTRIBUTION AGREEMENT 

    AGREEMENT made as of this 31st day of May, 1997 between Dean Witter 
Short-Term Bond Fund, an unincorporated business trust organized under the 
laws of the Commonwealth of Massachusetts (the "Fund"), and Dean Witter 
Distributors Inc., a Delaware corporation (the "Distributor"); 

                                W I T N E S S E T H:

    WHEREAS, the Fund is registered under the Investment Company Act of 1940, 
as amended (the "1940 Act"), as an open-end investment company and it is in 
the interest of the Fund to offer its shares for sale continuously; and 

    WHEREAS, the Fund and the Distributor wish to enter into an agreement with 
each other with respect to the continuous offering of the Fund's transferable 
shares of beneficial interest, of $.01 par value ("Shares"), to commence on 
the date listed above, in order to promote the growth of the Fund and 
facilitate the distribution of its shares. 

    NOW, THEREFORE, the parties agree as follows: 

    SECTION 1. APPOINTMENT OF THE DISTRIBUTOR. (a) The Fund hereby appoints 
the Distributor as the principal underwriter of the Fund to sell Shares to 
the public on the terms set forth in this Agreement and the Fund's prospectus 
and the Distributor hereby accepts such appointment and agrees to act 
hereunder. The Fund, during the term of this Agreement, shall sell Shares to 
the Distributor upon the terms and conditions set forth herein. 

    (b) The Distributor agrees to purchase Shares, as principal for its own 
account, from the Fund and to sell Shares as principal to investors, and 
securities dealers, including Dean Witter Reynolds Inc. ("DWR"), an affiliate 
of the Distributor upon the terms described herein and in the Fund's 
prospectus (the "Prospectus") and statement of additional information 
included in the Fund's registration statement (the "Registration Statement") 
most recently filed from time to time with the Securities and Exchange 
Commission (the "SEC") and effective under the Securities Act of 1933, as 
amended (the "1933 Act"), and 1940 Act or as said Prospectus may be otherwise 
amended or supplemented and filed with the SEC pursuant to Rule 497 under the 
1933 Act. 

    SECTION 2. EXCLUSIVE NATURE OF DUTIES. The Distributor shall be the 
exclusive principal underwriter and distributor of the Trust, except that the 
exclusive rights granted to the Distributor to sell the Shares shall not 
apply to Shares issued by the Fund: (i) in connection with the merger or 
consolidation of any other investment company or personal holding company 
with the Fund or the acquisition by purchase or otherwise of all (or 
substantially all) the assets or the outstanding shares of any such company 
by the Fund; or (ii) pursuant to reinvestment of dividends or capital gains 
distributions; or (iii) pursuant to the reinstatement privilege afforded 
redeeming shareholders. 

    SECTION 3. PURCHASE OF SHARES FROM THE FUND. (a) The Distributor shall 
have the right to buy from the Trust the Shares needed, but not more than the 
Shares needed (except for clerical errors in transmission), to fill 
unconditional orders for Shares placed with the Distributor by investors. The 
price which the Distributor shall pay for the Shares so purchased from the 
Fund shall be the net asset value, determined as set forth in the Prospectus, 
used in determining the public offering price on which such orders were 
based. 

   (b) The Shares are to be resold by the Distributor at the public offering 
price, as set forth in the Prospectus, to investors or to securities dealers 
including DWR, who have entered into selected dealer agreements with the 
Distributor pursuant to Section 7 ("Selected Dealers"). 

   (c) The Fund shall have the right to suspend the sale of the Shares at 
times when redemption is suspended pursuant to the conditions set forth in 
Section 4(e) hereof. The Fund shall also have the right to suspend the sale 
of the Shares if trading on the New York Stock Exchange shall have been 
suspended, if a banking moratorium shall have been declared by federal or New 
York authorities, or if there shall 

                                          1

<PAGE>

have been some other extraordinary event which, in the judgment of the Fund, 
makes it impracticable to sell the Shares. 

    (d) The Fund, or any agent of the Fund designated in writing by the Fund, 
shall be promptly advised of all purchase orders for Shares received by the 
Distributor. Any order may be rejected by the Fund; provided, however, that 
the Fund will not arbitrarily or without reasonable cause refuse to accept 
orders for the purchase of Shares. The Distributor will confirm orders upon 
their receipt, and the Fund (or its agent) upon receipt of payment therefor 
and instructions will deliver share certificates for such Shares or a 
statement confirming the issuance of Shares. Payment shall be made to the 
Fund in New York Clearing House funds. The Distributor agrees to cause such 
payment and such instructions to be delivered promptly to the Fund (or its 
agent). 

    (e) With respect to Shares sold by any Selected Dealer, the Distributor is 
authorized to direct the Trust's transfer agent to receive instructions 
directly from the Selected Dealer on behalf of the Distributor as to 
registration of Shares in the names of investors and to confirm issuance of 
the Shares to such investors. The Distributor is also authorized to instruct 
the transfer agent to receive payment directly from the Selected Dealer on 
behalf of the Distributor, for prompt transmittal to the Trust's custodian, 
of the purchase price of the Shares. In such event the Distributor shall 
obtain from the Selected Dealer and maintain a record of such registration 
instructions and payments. 

    SECTION 4. REPURCHASE OR REDEMPTION OF SHARES. (a) Any of the outstanding 
Shares may be tendered for redemption at any time, and the Fund agrees to 
redeem the Shares so tendered in accordance with the applicable provisions 
set forth in the Prospectus. The price to be paid to redeem the Shares shall 
be equal to the net asset value determined as set forth in the Prospectus. 
All payments by the Fund hereunder shall be made in the manner set forth 
below. 

   Upon any redemption of Shares the Fund shall pay the total amount of the 
redemption price in accordance with applicable provisions of the Prospectus 
in New York Clearing House funds. 

    (b) The Distributor is authorized, as agent for the Fund, to repurchase 
Shares, represented by a share certificate which is delivered to any office 
of the Distributor in accordance with applicable provisions set forth in the 
Prospectus. The Distributor shall promptly transmit to the transfer agent of 
the Fund for redemption all Shares so delivered. The Distributor shall be 
responsible for the accuracy of instructions transmitted to the Fund's 
transfer agent in connection with all such repurchases. 

    (c) The Distributor is authorized, as agent for the Fund, to repurchase 
Shares held in a shareholder's account with the Fund for which no share 
certificate has been issued, upon the telephonic or telegraphic request of 
the shareholder, or at the discretion of the Distributor. The Distributor 
shall promptly transmit to the transfer agent of the Fund, for redemption, 
all such orders for repurchase of shares. Payment for shares repurchased may 
be made by the Fund to the Distributor for the account of the shareholder. 
The Distributor shall be responsible for the accuracy of instructions 
transmitted to the Fund's transfer agent in connection with all such 
repurchases. 

    (d) With respect to Shares tendered for redemption or repurchase by any 
Selected Dealer on behalf of their customers, the Distributor is authorized 
to instruct the transfer agent of the Trust to accept orders for redemption 
or repurchase directly from the Selected Dealer on behalf of the Distributor 
and to instruct the Trust to transmit payments for such redemption and 
repurchases directly to the Selected Dealer on behalf of the Distributor for 
the account of the shareholder. The Distributor shall obtain from the 
Selected Dealer, and shall maintain, a record of such orders. The Distributor 
is further authorized to obtain from the Trust, and shall maintain, a record 
of payments made directly to the Selected Dealer on behalf of the 
Distributor. 

    (e) Redemption of Shares or payment by the Fund may be suspended at times 
when the New York Stock Exchange is closed, when trading on said Exchange is 
restricted, when an emergency exists as a result of which disposal by the 
Fund of securities owned by it is not reasonably practicable or it is not 
reasonably practicable for the Fund fairly to determine the value of its net 
assets, or during any other period when the Securities and Exchange 
Commission, by order, so permits. 

                                          2
<PAGE>

    SECTION 5. DUTIES OF THE FUND. (a) The Fund shall furnish to the 
Distributor copies of all information, financial statements and other papers 
which the Distributor may reasonably request for use in connection with the 
distribution of the Shares, including one certified copy, upon request by the 
Distributor, of all financial statements prepared by the Fund and examined by 
independent accountants. The Fund shall, at the expense of the Distributor, 
make available to the Distributor such number of copies of the Prospectus as 
the Distributor shall reasonably request. 

    (b) The Fund shall take, from time to time, but subject to the necessary 
approval of its shareholders, all necessary action to fix the number of its 
authorized Shares and to register Shares under the 1933 Act, to the end that 
there will be available for sale such number of Shares as investors may 
reasonably be expected to purchase. 

    (c) The Fund shall use its best efforts to pay the filing fees for an 
appropriate number of the Shares for sale under the securities laws of such 
states as the Distributor and the Fund may approve. Any qualification to sell 
its Shares in a state may be withheld, terminated or withdrawn by the Fund at 
any time in its discretion. As provided in Section 8(c) hereof, such filing 
fees shall be borne by the Fund. The Distributor shall furnish any 
information and other material relating to its affairs and activities as may 
be required by the Fund in connection with the sale of its Shares in any 
state. 

    (d) The Fund shall, at the expense of the Distributor, furnish, in 
reasonable quantities upon request by the Distributor, copies of annual and 
interim reports of the Fund. 

    SECTION 6. DUTIES OF THE DISTRIBUTOR. (a) The Distributor shall sell 
Shares of the Trust through DWR and may sell Shares through other securities 
dealers and shall devote reasonable time and effort to promote sales of the 
Shares, but shall not be obligated to sell any specific number of Shares. The 
services of the Distributor hereunder are not exclusive and it is understood 
that the Distributor may act as principal underwriter for other registered 
investment companies so long as the performance of its obligations hereunder 
is not impaired hereby. It is also understood that Selected Dealers, 
including DWR, may also sell shares for other registered investment 
companies. 

    (b) Neither the Distributor nor any Selected Dealer shall give any 
information or make any representations, other than those contained in the 
Registration Statement or related Prospectus and any sales literature 
specifically approved by the Fund. 

    (c) The Distributor agrees that it will comply with the applicable terms 
and limitations of the Rules of the Association of the National Association 
of Securities Dealers, Inc. ("NASD"). 

    SECTION 7. SELECTED DEALERS AGREEMENTS. (a) The Distributor shall have the 
right to enter into selected dealers agreements with Selected Dealers for the 
sale of Shares. In making agreements with Selected Dealers, the Distributor 
shall act only as principal and not as agent for the Fund. Shares sold to 
Selected Dealers shall be for resale by such dealers only at the public 
offering price set forth in the Prospectus. 

    (b) Within the United States, the Distributor shall offer and sell Shares 
only to Selected Dealers that are members in good standing of the NASD. 

    (c) The Distributor shall adopt and follow procedures, as approved by the 
Fund, for the confirmation of sales of Shares to investors and Selected 
Dealers, the collection of amounts payable by investors and Selected Dealers 
on such sales, and the cancellation of unsettled transactions, as may be 
necessary to comply with the requirements of the NASD, as such requirements 
may from time to time exist. 

    SECTION 8. PAYMENT OF EXPENSES. (a) The Distributor shall bear all 
expenses incurred by it in connection with its duties and activities under 
this Agreement including the payment to Selected Dealers of any service fees 
and other expenses for sales of the Fund's Shares (except such expenses as 
are specifically undertaken herein by the Fund) incurred or paid by Selected 
Dealers, including DWR. The Distributor shall bear the costs and expenses of 
preparing, printing and distributing any supplementary sales literature used 
by the Distributor or furnished by it for use by Selected Dealers in 
connection with the offering of the Shares for sale. Any expenses of 
advertising incurred in connection with such offering 

                                          3
<PAGE>

will also be the obligation of the Distributor. It is understood and agreed 
that, so long as the Fund's Plan of Distribution pursuant to Rule12b-1 (the 
"Rule 12b-1 Plan") under the 1940 Act continues in effect, any expenses 
incurred by the Distributor hereunder may be paid in accordance with the 
terms of such Rule 12b-1 Plan. 

    (b) The Fund shall bear all costs and expenses of the Fund, including fees 
and disbursements of legal counsel including counsel to the Trustees of the 
Fund who are not interested persons (as defined in the 1940 Act) of the Fund 
or the Distributor, and independent accountants, in connection with the 
preparation and filing of any required Registration Statements and 
Prospectuses and all amendments and supplements thereto, and the expense of 
preparing, printing, mailing and otherwise distributing prospectuses and 
statements of additional information, annual or interim reports or proxy 
materials to shareholders. 

    (c) The Fund shall pay the filing fees, and, if necessary or advisable in 
connection therewith, bear the cost and expense of qualifying the Fund as a 
broker or dealer, in such states of the United States or other jurisdictions 
as shall be selected by the Fund and the Distributor pursuant to Section 5(c) 
hereof and the cost and expenses payable to each such state for continuing to 
offer Shares therein until the Fund decides to discontinue selling Shares 
pursuant to Section 5(c) hereof. 

    SECTION 9. INDEMNIFICATION. (a) The Fund shall indemnify and hold harmless 
the Distributor and each person, if any, who controls the Distributor against 
any loss, liability, claim, damage or expense (including the reasonable cost 
of investigating or defending any alleged loss, liability, claim, damage or 
expense and reasonable counsel fees incurred in connection therewith) arising 
by reason of any person acquiring any Shares, which may be based upon the 
1933 Act, or on any other statute or at common law, on the ground that the 
Registration Statement or related Prospectus and Statements of Additional 
Information, as from time to time amended and supplemented, or the annual or 
interim reports to shareholders of the Fund, includes an untrue statement of 
a material fact or omits to state a material fact required to be stated 
therein or necessary in order to make the statements therein not misleading, 
unless such statement or omission was made in reliance upon, and in 
conformity with, information furnished to the Fund in connection therewith by 
or on behalf of the Distributor; provided, however, that in no case (i) is 
the indemnity of the Fund in favor of the Distributor and any such 
controlling persons to be deemed to protect the Distributor or any such 
controlling persons thereof against any liability to the Fund or its security 
holders to which the Distributor or any such controlling persons would 
otherwise be subject by reason of willful misfeasance, bad faith or gross 
negligence in the performance of its duties or by reason of reckless 
disregard of its obligations and duties under this Agreement; or (ii) is the 
Fund to be liable under its indemnity agreement contained in this paragraph 
with respect to any claim made against the Distributor or any such 
controlling persons, unless the Distributor or any such controlling persons, 
as the case may be, shall have notified the Fund in writing within a 
reasonable time after the summons or other first legal process giving 
information of the nature of the claim shall have been served upon the 
Distributor or such controlling persons (or after the Distributor or such 
controlling persons shall have received notice of such service on any 
designated agent), but failure to notify the Fund of any such claim shall not 
relieve it from any liability which it may have to the person against whom 
such action is brought otherwise than on account of its indemnity agreement 
contained in this paragraph. The Fund will be entitled to participate at its 
own expense in the defense, or, if it so elects, to assume the defense, of 
any suit brought to enforce any such liability, but if the Fund elects to 
assume the defense, such defense shall be conducted by counsel chosen by it 
and satisfactory to the Distributor or such controlling person or persons, 
defendant or defendants in the suit. In the event the Fund elects to assume 
the defense of any such suit and retain such counsel, the Distributor or such 
controlling person or persons, defendant or defendants in the suit, shall 
bear the fees and expenses of any additional counsel retained by them, but, 
in case the Fund does not elect to assume the defense of any such suit, it 
will reimburse the Distributor or such controlling person or persons, 
defendant or defendants in the suit, for the reasonable fees and expenses of 
any counsel retained by them. The Fund shall promptly notify the Distributor 
of the commencement of any litigation or proceedings against it or any of its 
officers or trustees in connection with the issuance or sale of the Shares. 

                                          4

<PAGE>

    (b) (i) The Distributor shall indemnify and hold harmless the Fund and 
each of its Trustees and officers and each person, if any, who controls the 
Fund against any loss, liability, claim, damage, or expense described in the 
foregoing indemnity contained in subsection (a) of this Section, but only 
with respect to statements or omissions made in reliance upon, and in 
conformity with, information furnished to the Fund in writing by or on behalf 
of the Distributor for use in connection with the Registration Statement or 
related Prospectus and Statement of Additional Information, as from time to 
time amended, or the annual or interim reports to shareholders. 

    (ii) The Distributor shall indemnify and hold harmless the Fund and the 
Fund's transfer agent, individually and in its capacity as the Fund's 
transfer agent, from and against any claims, damages and liabilities which 
arise as a result of actions taken pursuant to instructions from, or on 
behalf of, the Distributor to: (1) redeem all or a part of shareholder 
accounts in the Fund pursuant to Section 4(d) hereof and pay the proceeds to, 
or as directed by, the Distributor for the account of each shareholder whose 
Shares are so redeemed and (2) register Shares in the names of investors, 
confirm the issuance thereof and receive payment therefor pursuant to Section 
3(e). 

    (iii) In case any action shall be brought against the Fund or any person 
so indemnified by this subsection 9(b) in respect of which indemnity may be 
sought against the Distributor, the Distributor shall have the rights and 
duties given to the Fund, and the Fund and each person so indemnified shall 
have the rights and duties given to the Distributor by the provisions of 
subsection (a) of this Section 9. 

    (c) If the indemnification provided for in this Section 9 is unavailable 
or insufficient to hold harmless an indemnified party under subsection (a) or 
(b) above in respect of any losses, claims, damages, liabilities or expenses 
(or actions in respect thereof) referred to herein, then each indemnifying 
party shall contribute to the amount paid or payable by such indemnified 
party as a result of such losses, claims, damages, liabilities or expenses 
(or actions in respect thereof) in such proportion as is appropriate to 
reflect the relative benefits received by the Fund on the one hand and the 
Distributor on the other from the offering of the Shares. If, however, the 
allocation provided by the immediately preceding sentence is not permitted by 
applicable law, then each indemnifying party shall contribute to such amount 
paid or payable by such indemnified party in such proportion as is 
appropriate to reflect not only such relative benefits but also the relative 
fault of the Fund on the one hand and the Distributor on the other in 
connection with the statements or omissions which resulted in such losses, 
claims, damages, liabilities or expenses (or actions in respect thereof), as 
well as any other relevant equitable considerations. The relative benefits 
received by the Fund on the one hand and the Distributor on the other shall 
be deemed to be in the same proportion as the total net proceeds from the 
offering (before deducting expenses) received by the Fund bear to the total 
compensation received by the Distributor, in each case as set forth in the 
Prospectus. The relative fault shall be determined by reference to, among 
other things, whether the untrue or alleged untrue statement of a material 
fact or the omission or alleged omission to state a material fact relates to 
information supplied by the Fund or the Distributor and the parties' relative 
intent, knowledge, access to information and opportunity to correct or 
prevent such statement or omission. The Fund and the Distributor agree that 
it would not be just and equitable if contribution were determined by pro 
rata allocation or by any other method of allocation which does not take into 
account the equitable considerations referred to above. The amount paid or 
payable by an indemnified party as a result of the losses, claims, damages, 
liabilities or expenses (or actions in respect thereof) referred to above 
shall be deemed to include any legal or other expenses reasonably incurred by 
such indemnified party in connection with investigating or defending any such 
claim. Notwithstanding the provisions of this subsection (c), the Distributor 
shall not be required to contribute any amount in excess of the amount by 
which the total price at which the Shares distributed by it to the public 
were offered to the public exceeds the amount of any damages which it has 
otherwise been required to pay by reason of such untrue or alleged untrue 
statement or omission or alleged omission. No person guilty of fraudulent 
misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall 
be entitled to contribution from any person who was not guilty of such 
fraudulent misrepresentation. 

    SECTION 10. DURATION AND TERMINATION OF THIS AGREEMENT. This Agreement 
shall become effective as of the date first above written and shall remain in 
force until April 30, 1998, and thereafter, but only so long as such 
continuance is specifically approved at least annually by (i) the Board of 
Trustees of the 
                                          5
<PAGE>

Fund, or by the vote of a majority of the outstanding voting securities of 
the Fund, cast in person or by proxy, and (ii) a majority of those Trustees 
who are not parties to this Agreement or interested persons of any such party 
and who have no direct or indirect financial interest in this Agreement or in 
the operation of the Fund's Rule 12b-1 Plan or in any agreement related 
thereto, cast in person at a meeting called for the purpose of voting upon 
such approval. 

    This Agreement may be terminated at any time without the payment of any 
penalty, by the Trustees of the Fund, by a majority of the Trustees of the 
Fund who are not interested persons of the Fund and who have no direct or 
indirect financial interest in this Agreement or by vote of majority of the 
outstanding voting securities of the Fund, or by the Distributor, on sixty 
days' written notice to the other party. This Agreement shall automatically 
terminate in the event of its assignment. 

    The terms "vote of a majority of the outstanding voting securities," 
"assignment" and "interested person," when used in this Agreement, shall have 
the respective meanings specified in the 1940 Act. 

    SECTION 11. AMENDMENTS OF THIS AGREEMENT. This Agreement may be amended by 
the parties only if such amendment is specifically approved by (i) the 
Trustees of the Fund, or by the vote of a majority of outstanding voting 
securities of the Fund, and (ii) a majority of those Trustees of the Fund who 
are not parties to this Agreement or interested persons of any such party and 
who have no direct or indirect financial interest in this Agreement or in any 
Agreement related to the Fund's Plan of Distribution pursuant to Rule 12b-1 
under the 1940 Act, cast in person at a meeting called for the purpose of 
voting on such approval. 

    SECTION 12. GOVERNING LAW. This Agreement shall be construed in accordance 
with the law of the State of New York and the applicable provisions of the 
1940 Act. To the extent the applicable law of the State of New York, or any 
of the provisions herein, conflict with the applicable provisions of the 1940 
Act, the latter shall control. 

    SECTION 13. PERSONAL LIABILITY. The Declaration of the Trust establishing 
Dean Witter Short-Term Bond Fund, dated October 21, 1993, a copy of which, 
together with all amendments thereto (the "Declaration"), is on file in the 
office of the Secretary of the Commonwealth of Massachusetts, provides that 
the name Dean Witter Short-Term Bond Fund refers to the Trustees under the 
Declaration collectively as Trustees, but not as individuals or personally; 
and no Trustee, shareholder, officer, employee or agent of Dean Witter 
Short-Term Bond Fund shall be held to any personal liability, nor shall 
resort be had to their private property for the satisfaction of any 
obligation or claim or otherwise, in connection with the affairs of said Dean 
Witter Short-Term Bond Fund, but the Trust Estate only shall be liable. 

    IN WITNESS WHEREOF, the parties hereto have executed and delivered this 
Agreement as of the day and year first written in New York, New York. 

                                          DEAN WITTER SHORT-TERM BOND FUND 

                                          By:  ........................ 

                                          DEAN WITTER DISTRIBUTORS INC. 

                                          By:  ........................ 

                                          6


<PAGE>




CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the use in the Statement of Additional Information
constituting part of this Post-Effective Amendment No. 4 to the registration
statement on Form N-1A (the "Registration Statement") of our report dated June
9, 1997, relating to the financial statements and financial highlights of Dean
Witter Short-Term Bond Fund, which appears in such Statement of Additional
Information, and to the incorporation by reference of our report into the
Prospectus which constitutes part of this Registration Statement.  We also
consent to the references to us under the headings "Independent Accountants" and
"Experts" in such Statement of Additional Information and to the reference to us
under the heading "Financial Highlights" in such Prospectus.




PRICE WATERHOUSE LLP
1177 Avenue of the Americas
New York, New York  10036
June 25, 1997

<PAGE>

                      DEAN WITTER SHORT - TERM BOND FUND

                  SCHEDULE OF COMPUTATION OF YIELD QUOTATION

                               WITH FEE WAIVER

                                APRIL 30, 1997




                              6 
YIELD = 2 { [ ((a-b) /cd)  +1] -1}



WHERE:   a = Dividends and interest earned during the period
         b = Expenses accrued for the period
         c = The average daily number of shares outstanding during the period
             that were entitled to receive dividends
         d = The maximum offering price per share on the last day of the period




                                                          6
YIELD = 2 { [ ((233,059.82 - 0) /4,474,746.855 X 9.50) +1] -1}

                                          =      6.67%

<PAGE>

                      DEAN WITTER SHORT - TERM BOND FUND

                  SCHEDULE OF COMPUTATION OF YIELD QUOTATION

                              WITHOUT FEE WAIVER

                                APRIL 30, 1997




                              6 
YIELD = 2 { [ ((a-b) /cd)  +1] -1}



WHERE:   a = Dividends and interest earned during the period
         b = Expenses accrued for the period
         c = The average daily number of shares outstanding during the period
             that were entitled to receive dividends
         d = The maximum offering price per share on the last day of the period




                                                                 6
YIELD = 2 { [ ((233,059.82-41,113.02) / 4,474,746.855 x 9.50) +1] -1}

                                          =      5.48%

<PAGE>

                 SCHEDULE FOR COMPUTATIONS OF PERFORMANCE QUOTATIONS
                           DEAN WITTER SHORT-TERM BOND FUND




(A)  AVERAGE ANNUAL TOTAL RETURNS (NO LOAD FUND)

(B) TOTAL RETURN (NO LOAD FUND)

                         _                        _
                        |      ___________________ |
FORMULA:                |     |                    |   
              t -       |/\  n|         EV         |
                        |  \  |       -----        | - 1
                        |   \ |         P          |
                        |    \|                    |
                        |_                        _|


                         EV
              TR =      ----      - 1
                         P



              t  = AVERAGE ANNUAL COMPOUND RETURN
              n  = NUMBER OF YEARS
              EV = ENDING VALUE
              P  = INITIAL INVESTMENT
              TR = TOTAL RETURN



                              (B)                               (A)
  $1,000      EV AS OF       TOTAL          NUMBER OF      AVERAGE ANNUAL
INVESTED - P    30-Apr-97    RETURN - TR    YEARS - n      COMPOUND RETURN - t
- ------------  -----------    -----------    -------------  -------------------
  30-Apr-96     $1,058.80          5.88%             1.00        5.00%

  10-Jan-94     $1,168.60         16.68%           3.3018        4.78%

(C) AVERAGE ANNUAL TOTAL RETURNS (STANDARDIZED COMPUTATIONS) WITHOUT WAIVER OF
    FEES AND ASSUMPTION OF EXPENSES.

                         _                        _
                        |      ___________________ |
FORMULA:                |     |                    |   
              tb -      |/\  n|        EVb         |
                        |  \  |       -----        | - 1
                        |   \ |         P          |
                        |    \|                    |
                        |_                        _|


              tb = AVERAGE ANNUAL COMPOUND RETURN
                   (DEDUCTION FOR EXPENSES ASSUMED BY FUND MANAGER)
               n = NUMBER OF YEARS
             EVb = ENDING VALUE (DEDUCTION FOR EXPENSES 
                   ASSUMED BY FUND MANAGER)
               P = INITIAL INVESTMENT


                                                 (C)
  $1,000      EVb AS OF       NUMBER OF      AVERAGE ANNUAL
INVESTED - P    30-Apr-97    YEARS - n      COMPOUND RETURN - t
- ------------  -----------    -------------  -------------------   
   30-Apr-96    $1,062.10             1.00                5.21%
   10-Jan-94    $1,131.00           3.3018                3.80%


(C)      GROWTH OF $10,000
(D)      GROWTH OF $50,000
(E)      GROWTH OF $100,000

FORMULA: G = (TR-1) * P
         G = GROWTH OF INITIAL INVESTMENT
         P = INITIAL INVESTMENT
         TR = TOTAL RETURN SINCE INCEPTION


<TABLE>
<CAPTION>

$10,000       TOTAL          (C) GROWTH OF            (D) GROWTH OF            (E)GROWTH OF
INVESTED - P  RETURN - TR    $10,000 INVESTMENT - G   $50,000 INVESTMENT - G   $100,000 INVESTMENT - G
- ------------  -----------    ----------------------   ---------------------    -----------------------
<S>           <C>            <C>                      <C>                      <C>
   10-Jan-94       16.66          $11,888                           $58,330           $116,000


</TABLE>



<TABLE> <S> <C>

<PAGE>
<ARTICLE> 6
<CIK> 0000913534
<NAME> DEAN WITTER SHORT TERM BOND FUND
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          APR-30-1997
<PERIOD-START>                             MAY-01-1996
<PERIOD-END>                               APR-30-1997
<INVESTMENTS-AT-COST>                       42,498,286
<INVESTMENTS-AT-VALUE>                      41,876,739
<RECEIVABLES>                                  816,183
<ASSETS-OTHER>                                 125,122
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                              42,818,044
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      565,965
<TOTAL-LIABILITIES>                            565,965
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    43,977,733
<SHARES-COMMON-STOCK>                        4,449,499
<SHARES-COMMON-PRIOR>                        3,477,195
<ACCUMULATED-NII-CURRENT>                       56,176
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                    (1,160,283)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     (621,547)
<NET-ASSETS>                                42,252,079
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                            2,571,492
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                 237,693
<NET-INVESTMENT-INCOME>                      2,333,799
<REALIZED-GAINS-CURRENT>                     (230,430)
<APPREC-INCREASE-CURRENT>                     (27,367)
<NET-CHANGE-FROM-OPS>                        2,076,002
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                  (2,254,744)
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      5,655,876
<NUMBER-OF-SHARES-REDEEMED>                (4,870,750)
<SHARES-REINVESTED>                            187,178
<NET-CHANGE-IN-ASSETS>                       9,073,860
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                       (22,879)
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          261,509
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                483,836
<AVERAGE-NET-ASSETS>                        42,814,267
<PER-SHARE-NAV-BEGIN>                             9.54
<PER-SHARE-NII>                                   0.61
<PER-SHARE-GAIN-APPREC>                         (0.06)
<PER-SHARE-DIVIDEND>                            (0.59)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.50
<EXPENSE-RATIO>                                   0.64
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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