WITTER DEAN TAX EXEMPT SECURITIES TRUST
485BPOS, 1997-07-03
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<PAGE>


     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 3, 1997 

                                                    REGISTRATION NOS.: 2-66268 

                                                                      811-2979 
===============================================================================
                      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. 20                     [X] 
                                    AND/OR 
             REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY 
                                 ACT OF 1940                               [X] 
                               AMENDMENT NO. 21                            [X] 

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

                   DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
                       (A MASSACHUSETTS BUSINESS TRUST) 
              (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER) 

                            TWO WORLD TRADE CENTER 
                           NEW YORK, NEW YORK 10048 
                   (ADDRESS OF PRINCIPAL EXECUTIVE OFFICE) 

      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (212) 392-1600 

                               BARRY FINK, ESQ. 
                            TWO WORLD TRADE CENTER 
                           NEW YORK, NEW YORK 10048 
                   (NAME AND ADDRESS OF AGENT FOR SERVICE) 

                                   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 this Post-Effective Amendment becomes effective. 

IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE (CHECK APPROPRIATE BOX) 

                 immediately upon filing pursuant to paragraph (b) 
            -----
              X  on July 28, 1997 pursuant to paragraph (b) 
            -----
                 60 days after filing pursuant to paragraph (a) 
            -----
                 on (date) pursuant to paragraph (a) of rule 485. 
            -----

       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 HAS FILED ITS RULE 24F-2 
NOTICE, FOR ITS FISCAL YEAR ENDED DECEMBER 31, 1996, WITH THE SECURITIES AND 
EXCHANGE COMMISSION ON FEBRUARY 5, 1997. 

                           AMENDING THE PROSPECTUS 
===============================================================================
<PAGE>
                   DEAN WITTER TAX-EXEMPT SECURITIES TRUST 

                            CROSS-REFERENCE SHEET 

<TABLE>
<CAPTION>
FORM N-1A 
ITEM             CAPTION 
- ----             ------- 
PART A           PROSPECTUS 
- ------           ---------- 
<S>               <C>
  1.    ......... Cover Page                                               
  2.    ......... Prospectus Summary; Summary of Fund Expenses 
  3.    ......... Financial Highlights; Performance Information 
  4.    ......... Investment Objective and Policies; Risk 
                   Considerations; 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 
  8.    ......... Purchase of Fund Shares; Redemptions and Repurchases; 
                   Shareholder Services 
  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; The Distributor; 
                   Shareholder Services; Custodian and Transfer Agent; 
                   Independent Accountants 
 17.    ......... Portfolio Transactions and Brokerage 
 18.    ......... Shares of the Fund 
 19.    ......... The Distributor; Purchase of Fund Shares; Redemptions 
                   and Repurchases; Financial Statements; Shareholder 
                   Services 
 20.    ......... Dividends, Distributions and Taxes; Performance 
 20.               Information 
 21.    ......... Purchase of Fund Shares 
 22.    ......... Not applicable 
 23.    ......... Experts; Financial Statements 
         
</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 28, 1997 
    
             Dean Witter Tax-Exempt Securities Trust (the "Fund") is an 
open-end, diversified management investment company, whose investment 
objective is to provide a high level of current income exempt from federal 
income tax, consistent with the preservation of capital. The Fund invests 
principally in tax-exempt fixed-income securities which are rated in the 
three highest categories by Moody's Investors Service, Inc. or Standard & 
Poor's Corporation. (See "Investment Objective and Policies.") 
   
   The Fund offers four classes of shares (each, a "Class"), each with a 
different combination of sales charges, ongoing fees and other features. The 
different distribution arrangements permit an investor to choose the method 
of purchasing shares that the investor believes is most beneficial given the 
amount of the purchase, the length of time the investor expects to hold the 
shares and other relevant circumstances. Shares of the Fund held prior to 
July 28, 1997 have been designated Class D shares. (See "Purchase of Fund 
Shares--Alternative Purchase Arrangements.") 

             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 28, 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 
             Tax-Exempt Securities Trust 
             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/  4 
Financial Highlights/  6 
The Fund and its Management/  7 
Investment Objective and Policies/  7 
 Risk Considerations and Investment Practices/  10 
Investment Restrictions/  12 
Purchase of Fund Shares/  13 
Shareholder Services/  23 
Redemptions and Repurchases/  26 
Dividends, Distributions and Taxes/  27 
Performance Information/  28 
Additional Information/  29 
    

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

   
<TABLE>
<CAPTION>
<S>                 <C>
The                 The Fund is organized as a Trust, commonly known as a Massachusetts business trust, and is an 
Fund                open-end, diversified management investment company investing principally in investment grade, 
                    tax-exempt fixed-income securities (see page 7). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Shares              Shares of beneficial interest with $0.01 par value (see page 29). The Fund offers four Classes of 
Offered             shares, each with a different combination of sales charges, ongoing fees and other features (see 
                    pages 13-22). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Minimum             The minimum initial investment for each Class is $1,000 ($100 if the account is opened through 
Purchase            EasyInvest (Service Mark) ). Class D shares are only available to persons investing $5 million or 
                    more and to certain other limited categories of investors. For the purpose of meeting the minimum 
                    $5 million investment for Class D shares, and subject to the $1,000 minimum initial investment for 
                    each Class of the Fund, an investor's existing holdings of Class A shares and shares of funds for 
                    which Dean Witter InterCapital Inc. serves as investment manager ("Dean Witter Funds") that are 
                    sold with a front-end sales charge, and concurrent investments in Class D shares of the Fund and 
                    other Dean Witter Funds that are multiple class funds, will be aggregated. The minimum subsequent 
                    investment is $100 (see page 13). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Investment          The investment objective of the Fund is to provide a high level of current income exempt from 
Objective           federal income tax, consistent with the preservation of capital (see page 7). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Investment          Dean Witter InterCapital Inc. ("InterCapital"), the Investment Manager of the Fund, and its 
Manager             wholly-owned 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 $ billion at June 30, 1997 (see page 7). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Management Fee      The monthly fee is at an annual rate of 1/2 of 1% of average daily net assets, scaled down on 
                    assets over $500 million (see page 7). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Distributor and     Dean Witter Distributors Inc. (the "Distributor"). The Fund has adopted a distribution plan 
Distribution        pursuant to Rule 12b-1 under the Investment Company Act (the "12b-1 Plan") with respect to the 
Fee                 distribution fees paid by the Class A, Class B and Class C shares of the Fund to the Distributor. 
                    The entire 12b-1 fee payable by Class A and a portion of the 12b-1 fee payable by each of Class B 
                    and Class C equal to 0.15% of the average daily net assets of Class B and 0.25% of the average 
                    daily net assets of Class C are currently each characterized as a service fee within the meaning of 
                    the National Association of Securities Dealers, Inc. guidelines. The remaining portion of the 12b-1 
                    fee, if any, is characterized as an asset-based sales charge (see pages 13 and 21). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Alternative         Four classes of shares are offered: 
Purchase            o Class A shares are offered with a front-end sales charge, starting at 4.25% and reduced for 
Arrangements        larger purchases. Investments of $1 million or more (and investments by certain other limited 
                    categories of investors) are not subject to any sales charge at the time of purchase but a 
                    contingent deferred sales charge ("CDSC") of 1.0% may be imposed on redemptions within one year of 
                    purchase. The Fund is authorized to reimburse the Distributor for specific expenses incurred in 
                    promoting the distribution of the Fund's Class A shares and servicing shareholder accounts pursuant 
                    to the Fund's 12b-1 Plan. Reimbursement may in no event exceed an amount equal to payments at an 
                    annual rate of 0.25% of average daily net assets of the Class (see pages 13, 16 and 21). 

                                2           
<PAGE>
   ----------------------------------------------------------------------------------------------------------------- 
                    o Class B shares are offered without a front-end sales charge, but will in most cases be subject to 
                    a CDSC (scaled down from 5.0% to 1.0%) if redeemed within six years after purchase. The CDSC will 
                    be imposed on any redemption of shares if after such redemption the aggregate current value of a 
                    Class B account with the Fund falls below the aggregate amount of the investor's purchase payments 
                    made during the six years preceding the redemption. Class B shares are also subject to a 12b-1 fee 
                    assessed at the annual rate of 0.60% of the average daily net assets of Class B. Class B shares 
                    convert to Class A shares approximately ten years after the date of the original purchase (see 
                    pages 13, 18 and 21). 
                    o Class C shares are offered without a front-end sales charge, but will in most cases be subject to 
                    a CDSC of 1.0% if redeemed within one year after purchase. The Fund is authorized to reimburse the 
                    Distributor for specific expenses incurred in promoting the distribution of the Fund's Class C 
                    shares and servicing shareholder accounts pursuant to the Fund's 12b-1 Plan. Reimbursement may in 
                    no event exceed an amount equal to payments at an annual rate of 0.70% of average daily net assets 
                    of the Class (see pages 13, 20 and 21). 
                    o Class D shares are offered only to investors meeting an initial investment minimum of $5 million 
                    and to certain other limited categories of investors. Class D shares are offered without a 
                    front-end sales charge or CDSC and are not subject to any 12b-1 fee (see pages 13, 20 and 21). All 
                    shares of the Fund held prior to July 28, 1997 have been designated Class D shares. Additional 
                    investments in Class D shares by shareholders holding such shares may only be made if those 
                    shareholders are otherwise eligible to purchase Class D shares. However, shareholders holding such 
                    shares will receive the benefit of the value of such shares towards reduced sales charges on 
                    purchases of Class A shares pursuant to the Fund's "Right of Accumulation" (see page 17). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Dividends and       Dividends from net investment income are declared daily and paid monthly; capital gains, if any, 
Capital Gains       may be distributed annually or retained for reinvestment by the Fund. Dividends and capital gains 
Distributions       distributions paid on shares of a Class are automatically reinvested in additional shares of the 
                    same Class at net asset value unless the shareholder elects to receive cash. Shares acquired by 
                    dividend and distribution reinvestment will not be subject to any sales charge or CDSC (see pages 
                    23 and 27). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Redemption          Shares are redeemable by the shareholder at net asset value less any applicable CDSC on Class A, 
                    Class B or Class C shares. An account may be involuntarily redeemed if the total value of the 
                    account is less than $100 or, if the account was opened through EasyInvest (Service Mark), if after 
                    twelve months the shareholder has invested less than $1,000 in the account (see page 26). 
- ------------------- --------------------------------------------------------------------------------------------------- 
Risks               The value of the Fund's portfolio securities, and therefore the Fund's net asset value per share, 
                    may increase or decrease due to various factors, principally changes in prevailing interest rates 
                    and the ability of the issuers of the Fund's portfolio securities to pay interest and principal on 
                    such obligations. The Fund may purchase when-issued and delayed delivery securities (see page 10). 
                    The Fund may also invest in futures and options, which may be considered speculative in nature and 
                    which may involve greater risks than those customarily assumed by certain other investment 
                    companies which do not invest in such instruments (see pages 10-12). 
- ------------------- --------------------------------------------------------------------------------------------------- 

</TABLE>
    

The above is qualified in its entirety by the detailed information appearing 
                         elsewhere in the Prospectus 
               and in the Statement of Additional Information. 

                                3           
<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 
based on the expenses and fees for the fiscal year ended December 31, 1996. 
    

   
<TABLE>
<CAPTION>
                                                      CLASS A      CLASS B      CLASS C      CLASS D 
                                                   ------------ ------------ ------------ ----------- 
<S>                                                <C>          <C>          <C>          <C>
Shareholder Transaction Expenses 
- -------------------------------------------------- 
Maximum Sales Charge Imposed on Purchases (as a 
 percentage of offering price) ....................     4.25%(1)     None         None        None 
Sales Charge Imposed on Dividend Reinvestments  ...     None         None         None        None 
Maximum Contingent Deferred Sales Charge 
 (as a percentage of original purchase price or 
 redemption proceeds)..............................     None(2)      5.00%(3)     1.00%(4)    None 
Redemption Fees....................................     None         None         None        None 
Exchange Fee.......................................     None         None         None        None 

Annual Fund Operating Expenses (as a percentage of average net assets) 
- ----------------------------------------------------------------------   
Management Fees ...................................     0.43%        0.43%        0.43%       0.43% 
12b-1 Fees (5)(6)..................................     0.25%        0.60%        0.70%       None 
Other Expenses ....................................     0.05%        0.05%        0.05%       0.05% 
Total Fund Operating Expenses (7)..................     0.73%        1.08%        1.18%       0.48% 
</TABLE>
    

   
- ------------ 
(1)    Reduced for purchases of $25,000 and over (see "Purchase of Fund 
       Shares--Initial Sales Charge Alternative--Class A Shares"). 

(2)    Investments that are not subject to any sales charge at the time of 
       purchase are subject to a CDSC of 1.00% that will be imposed on 
       redemptions made within one year after purchase, except for certain 
       specific circumstances (see "Purchase of Fund Shares--Initial Sales 
       Charge Alternative--Class A Shares"). 

(3)    The CDSC is scaled down annually to 1.00% during the sixth year, 
       reaching zero thereafter. 

(4)    Only applicable to redemptions made within one year after purchase (see 
       "Purchase of Fund Shares--Level Load Alternative--Class C Shares"). 

(5)    The 12b-1 fee is accrued daily and payable monthly. The entire 12b-1 
       fee payable by Class A and a portion of the 12b-1 fee payable by each 
       of Class B and Class C equal to 0.15% of the average daily net assets 
       of Class B and 0.25% of the average daily net assets of Class C are 
       currently each characterized as a service fee within the meaning of 
       National Association of Securities Dealers, Inc. ("NASD") guidelines 
       and are payments made for personal service and/or maintenance of 
       shareholder accounts. The remainder of the 12b-1 fee, if any, is an 
       asset-based sales charge, and is a distribution fee paid to the 
       Distributor to compensate it for the services provided and the expenses 
       borne by the Distributor and others in the distribution of the Fund's 
       shares (see "Purchase of Fund Shares--Plan of Distribution"). 

(6)    Upon conversion of Class B shares to Class A shares, such shares will 
       be subject to the lower 12b-1 fee applicable to Class A shares. No 
       sales charge is imposed at the time of conversion of Class B shares to 
       Class A shares. Class C shares do not have a conversion feature and, 
       therefore, are subject to an ongoing 0.70% distribution fee (see 
       "Purchase of Fund Shares--Alternative Purchase Arrangements"). 

(7)    There were no outstanding shares of Class A, Class B or Class C prior 
       to the date of this Prospectus. Accordingly, "Total Fund Operating 
       Expenses," as shown above with respect to those Classes, are based upon 
       the sum of 12b-1 Fees, Management Fees and estimated "Other Expenses." 
    

                                4           
<PAGE>
- ----------------------------------------------------------------------------- 

   
<TABLE>
<CAPTION>
 EXAMPLES                                                         1 YEAR   3 YEARS   5 YEARS   10 YEARS 
- --------------------------------------------------------------- -------- --------- --------- ---------- 
<S>                                                             <C>      <C>       <C>       <C>
You would pay the following expenses on a $1,000 investment 
assuming (1) a 5% annual return and (2) redemption at the end 
of each time period: 
  Class A ......................................................   $50       $65       $81       $129 
  Class B ......................................................   $61       $64       $80       $132 
  Class C.......................................................   $22       $37       $65       $143 
  Class D ......................................................   $ 5       $15       $27       $ 60 

You would pay the following expenses on the same $1,000 
investment assuming no redemption at the end of the period: 
  Class A ......................................................   $50       $65       $81       $129 
  Class B ......................................................   $11       $34       $60       $132 
  Class C ......................................................   $12       $37       $65       $143 
  Class D ......................................................   $ 5       $15       $27       $ 60 
</TABLE>
    

   
   THE ABOVE EXAMPLES SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR 
FUTURE EXPENSES OR PERFORMANCE. ACTUAL EXPENSES OF EACH CLASS MAY BE GREATER 
OR LESS THAN THOSE SHOWN. 

   The purpose of this table is to assist the investor in understanding the 
various costs and expenses that an investor in the Fund will bear directly or 
indirectly. For a more complete description of these costs and expenses, see 
"The Fund and its Management," "Purchase of Fund Shares--Plan of 
Distribution" and "Redemptions and Repurchases." 

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

                                5           
<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, the notes thereto and the 
unqualified 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. 
All shares of the Fund held prior to July 28, 1997 have been designated Class 
D shares. 
    

<TABLE>
<CAPTION>
                                   FOR THE YEAR ENDED DECEMBER 31, 
                           --------------------------------------------- 
                              1996     1995     1994      1993     1992 
- -------------------------- -------- -------- --------- -------- -------- 
<S>                        <C>      <C>      <C>       <C>      <C>
PER SHARE OPERATING 
 PERFORMANCE: 
Net asset value, 
 beginning of period ......  $12.09   $11.01   $12.41    $11.88   $11.65 
                           -------- -------- --------- -------- -------- 
Net investment income  ....    0.65     0.67     0.70      0.77     0.79 
Net realized and 
 unrealized gain (loss)  ..   (0.24)    1.19    (1.37)     0.54     0.23 
                           -------- -------- --------- -------- -------- 
Total from investment 
  operations ..............    0.41     1.86    (0.67)     1.31     1.02 
                           -------- -------- --------- -------- -------- 
Less dividends and 
 distributions from: 
 Net investment income  ...   (0.65)   (0.67)   (0.70)    (0.77)   (0.79) 
 Net realized gain ........   (0.08)   (0.11)   (0.03)    (0.01)    -- 
                           -------- -------- --------- -------- -------- 
Total dividends and 
  distributions ...........   (0.73)   (0.78)   (0.73)    (0.78)   (0.79) 
                           -------- -------- --------- -------- -------- 
Net asset value, 
 end of period ............  $11.77   $12.09   $11.01    $12.41   $11.88 
                           ======== ======== ========= ======== ======== 
TOTAL INVESTMENT RETURN+       3.61%   17.37%   (5.55)%   11.23%    9.09% 
RATIOS TO AVERAGE NET 
 ASSETS: 
Expenses ..................    0.48%    0.48%    0.47%     0.47%    0.49% 
Net investment income .....    5.52%    5.76%    6.02%     6.23%    6.74% 
SUPPLEMENTAL DATA: 
Net assets, end of period, 
  in millions .............  $1,190   $1,325   $1,295    $1,582   $1,323 
Portfolio turnover rate  ..      18%      21%      16%       13%       4% 
</TABLE>

                    (RESTUBBED TABLE CONTINUED FROM ABOVE) 

<TABLE>
<CAPTION>
                              1991     1990     1989     1988     1987 
- -------------------------- -------- -------- -------- -------- --------- 
<S>                        <C>      <C>      <C>      <C>      <C>
PER SHARE OPERATING 
 PERFORMANCE: 
Net asset value, 
 beginning of period ......  $11.09   $11.28   $10.96   $10.45   $11.50 
                           -------- -------- -------- -------- --------- 
Net investment income  ....    0.80     0.80     0.81     0.81     0.80 
Net realized and 
 unrealized gain (loss)  ..    0.56    (0.18)    0.32     0.51    (0.97) 
                           -------- -------- -------- -------- --------- 
Total from investment 
  operations ..............    1.36     0.62     1.13     1.32    (0.17) 
                           -------- -------- -------- -------- --------- 
Less dividends and 
 distributions from: 
 Net investment income  ...   (0.80)   (0.81)   (0.81)   (0.81)   (0.83) 
 Net realized gain ........    --       --       --       --      (0.05) 
                           -------- -------- -------- -------- --------- 
Total dividends and 
  distributions ...........   (0.80)   (0.81)   (0.81)   (0.81)   (0.88) 
                           -------- -------- -------- -------- --------- 
Net asset value, 
 end of period ............  $11.65   $11.09   $11.28   $10.96   $10.45 
                           ======== ======== ======== ======== ========= 
TOTAL INVESTMENT RETURN+      12.71%    5.86%   10.61%   13.02%   (1.44)% 
RATIOS TO AVERAGE NET 
 ASSETS: 
Expenses ..................    0.51%    0.51%    0.51%    0.54%    0.52% 
Net investment income .....    7.05%    7.25%    7.31%    7.51%    7.42% 
SUPPLEMENTAL DATA: 
Net assets, end of period, 
  in millions .............  $1,145   $1,010   $1,033    $908      $896 
Portfolio turnover rate  ..      10%      19%      13%      17%      37% 
<FN>
- ------------ 

   
+ Does not reflect the deduction of sales load. Calculated based on the net 
asset value as of the last business day of the period. 
</TABLE>
    

                                6           
<PAGE>
THE FUND AND ITS MANAGEMENT 
- ----------------------------------------------------------------------------- 

   Dean Witter Tax-Exempt Securities Trust (the "Fund") is an open-end, 
diversified management investment company incorporated in Maryland on 
December 13, 1979. The Fund reorganized as a trust of the type commonly known 
as a "Massachusetts business trust" on April 30, 1987. 

   
   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 a total of 100 investment companies, thirty of 
which are listed on the New York Stock Exchange, with combined total net 
assets of approximately $     billion as of June 30, 1997. The Investment 
Manager also manages portfolios of pension plans, other institutions and 
individuals which aggregated approximately $    billion at such date. 
    

   The Fund has retained the Investment Manager 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 for the Fund. 

   The Fund's Trustees review the various services provided by or under the 
direction of 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 at an annual 
rate of 0.50% of the daily net assets of the Fund up to $500 million, scaled 
down at various asset levels to 0.325% on net assets over $1.25 billion. For 
the fiscal year ended December 31, 1996, the Fund accrued total compensation 
to the Investment Manager amounting to 0.43% of the Fund's average daily net 
assets and the Fund's total expenses amounted to 0.48% of the Fund's average 
daily net assets. 

INVESTMENT OBJECTIVE AND POLICIES 
- ----------------------------------------------------------------------------- 

   The investment objective of the Fund is to provide a high level of current 
income which is exempt from federal income tax, consistent with the 
preservation of capital. There is no assurance that this objective will be 
achieved. This objective is fundamental and may not be changed without 
shareholder approval. The Fund seeks to achieve its investment objective by 
investing its assets in accordance with the following policies: 

   
   1. At least 80% of the Fund's total assets will be invested in tax-exempt 
securities, except as stated in paragraph (5) below. Tax-exempt securities 
consist of Municipal Bonds and Municipal Notes ("Municipal Obligations") and 
Municipal Commercial Paper. 

   2. At least 75% of the Fund's total assets will be invested in: (a) 
Municipal Bonds which are rated at the time of purchase within the three 
highest grades by Moody's Investors Service, Inc. ("Moody's") or Standard & 
Poor's Corporation ("S&P"); (b) Municipal Notes which at the time of 
    

                                7           
<PAGE>
purchase are rated in the two highest grades by Moody's or S&P, or, if not 
rated, have outstanding one or more issues of Municipal Bonds rated as set 
forth in clause (a) of this paragraph; and (c) Municipal Commercial Paper 
which at the time of purchase are rated P-1 by Moody's or A-1 by S&P. 

   
   3. Up to 25% of the Fund's total assets may be invested in tax-exempt 
securities which are not rated by Moody's or S&P or, if rated, are not within 
the rating categories of Moody's or S&P stated in paragraph (2) above. 

   4. In accordance with the current position of the staff of the Securities 
and Exchange Commission, tax-exempt securities which are subject to the 
federal alternative minimum tax for individual shareholders will not be 
included in the 80% total described in paragraph 1 above. (See "Dividends, 
Distributions and Taxes," below.) As such, the remaining 20% of the Fund's 
total assets may be invested in tax-exempt securities subject to the 
alternative minimum tax. 

   5. Inclusive of paragraph 4 above, up to 20% of the Fund's total assets 
may be invested in taxable money market instruments under any one or more of 
the following circumstances: (a) pending investment of proceeds of sale of 
Fund shares or of portfolio securities; (b) pending settlement of purchases 
of portfolio securities; and (c) to maintain liquidity for the purpose of 
meeting anticipated redemptions. In addition, the Fund may temporarily invest 
more than 20% of its total assets in taxable securities, or in tax-exempt 
securities subject to the federal alternative minimum tax for individual 
shareholders, to maintain a "defensive" posture when, in the opinion of the 
Investment Manager, it is advisable to do so because of market conditions. 
The types of taxable securities in which the Fund may temporarily invest are 
limited to the following short-term fixed-income securities (maturing in one 
year or less from the time of purchase): (i) obligations of the United States 
Government, its agencies, instrumentalities or authorities; (ii) commercial 
paper rated P-1 by Moody's or A-1 by S&P; (iii) certificates of deposit of 
domestic banks with assets of $1 billion or more; and (iv) repurchase 
agreements with respect to any of the foregoing portfolio securities. 
    

   Municipal Obligations are debt obligations of states, cities, 
municipalities and municipal agencies which generally have maturities, at the 
time of their issuance, of either one year or more (Bonds) or from six months 
to three years (Notes). Municipal Commercial Paper refers to short-term 
obligations of municipalities. Any Municipal Obligation which depends 
directly or indirectly on the credit of the Federal Government shall be 
considered to have a rating of Aaa/AAA. The Fund may purchase Municipal 
Obligations which had originally been issued by the same issuer as two 
separate series of the same issue with different interest rates, but which 
are now linked together to form one series. 

   While the Fund may invest up to 25% of its total assets in Municipal 
Obligations which are unrated or, if rated, are not within the three highest 
Bond rating categories of Moody's or S&P or the two highest Note rating 
categories of Moody's or S&P, the Fund does not intend to invest in Municipal 
Bonds which are rated below either Baa by Moody's or BBB by S&P (the lowest 
ratings considered investment grade) or, if not rated, are deemed by the 
Investment Manager to be below investment grade, in amounts exceeding 5% of 
its total assets. Investments in Municipal Bonds rated either Baa by Moody's 
or BBB by S&P 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. Municipal Bonds rated 
below investment grade may not currently be paying any interest and may have 
extremely poor prospects of ever attaining any real investment standing. 

   The two principal classifications of Municipal Obligations and Commercial 
Paper are "general obligation" and "revenue" obligations or commercial paper. 
General obligation bonds, notes or commercial paper are secured by the 
issuer's pledge of its faith, credit and taxing power for the payment of 
principal and interest. Issuers of general obligation bonds, notes or 
commercial paper include a state, its counties, cities, towns and other 
government 

                                8           
<PAGE>
units. Revenue bonds, notes or commercial paper are payable from the revenues 
derived from a particular facility or class of facilities or, in some cases, 
from specific revenue sources. Revenue bonds, notes or commercial paper are 
issued for a wide variety of purposes, including the financing of electric, 
gas, water and sewer systems and other public utilities; industrial 
development and pollution control facilities; single and multi-family housing 
units; public buildings and facilities; air and marine ports; transportation 
facilities such as toll roads, bridges and tunnels; and health and 
educational facilities such as hospitals and dormitories. They rely primarily 
on user fees to pay debt service, although the principal revenue source is 
often supplemented by additional security features which are intended to 
enhance the creditworthiness of the issuer's obligations. In some cases, 
particularly revenue bonds issued to finance housing and public buildings, a 
direct or implied "moral obligation" of a governmental unit may be pledged to 
the payment of debt service. In other cases, a special tax or other charge 
may augment user fees. 

   Included within the revenue category are participations in lease 
obligations or installment purchase contracts (hereinafter collectively 
called "lease obligations") of municipalities. State and local governments 
issue lease obligations to acquire equipment and facilities. 

   Lease obligations may have risks not normally associated with general 
obligation or other revenue bonds. Leases and installment purchase or 
conditional sale contracts (which may provide for title to the leased asset 
to pass eventually to the issuer) have developed as a means for governmental 
issuers to acquire property and equipment without the necessity of complying 
with the constitutional and statutory requirements generally applicable for 
the issuance of debt. Certain lease obligations contain "non-appropriation" 
clauses that provide that the governmental issuer has no obligation to make 
future payments under the lease or contract unless money is appropriated for 
such purpose by the appropriate legislative body on an annual or other 
periodic basis. Consequently, continued lease payments on those lease 
obligations containing "non-appropriation" clauses are dependent on future 
legislative actions. If such legislative actions do not occur, the holders of 
the lease obligation may experience difficulty in exercising their rights, 
including disposition of the property. 

   Lease obligations represent a type of financing that may not have the 
depth of marketability associated with more conventional municipal 
obligations, and, as a result, certain of such lease obligations may be 
considered illiquid securities. To determine whether or not the Fund will 
consider such securities to be illiquid (the Fund may not invest more than 
ten percent of its net assets in illiquid securities), the Trustees of the 
Fund have established guidelines to be utilized by the Fund in determining 
the liquidity of a lease obligation. The factors to be considered in making 
the determination include: 1) the frequency of trades and quoted prices for 
the obligation; 2) the number of dealers willing to purchase or sell the 
security and the number of other potential purchasers; 3) the willingness of 
dealers to undertake to make a market in the security; and 4) the nature of 
the marketplace trades, including, the time needed to dispose of the 
security, the method of soliciting offers, and the mechanics of the transfer. 

   The interest rates payable on certain Municipal Bonds and Municipal Notes 
are not fixed and may fluctuate based upon changes in market rates. Municipal 
obligations of this type are called "variable rate" obligations. The interest 
rate payable on a variable rate obligation is adjusted either at 
predesignated periodic intervals or whenever there is a change in the market 
rate of interest on which the interest rate payable is based. 

   The foregoing percentage and rating policies apply at the time of 
acquisition of a security based on the last previous determination of the 
Fund's net asset value. Any subsequent change in any rating by a rating 
service or change in percentages resulting from market fluctuations or other 
changes in the Fund's total assets will not require elimination of any 
security from the Fund's portfolio until such time as the Investment Manager 
determines that it is practicable to sell the security without undue market 
or tax consequences to the Fund. 

                                9           
<PAGE>
   The ratings assigned by Moody's and S&P represent their opinions as to the 
quality of the securities which they undertake to rate (see the Appendix to 
the Statement of Additional Information). It should be emphasized, however, 
that the ratings are general and not absolute standards of quality. 

   When-Issued and Delayed Delivery Securities.  The Fund may purchase 
tax-exempt securities on a when-issued or delayed delivery basis; i.e., 
delivery and payment can take place a month or more after the date of the 
transaction. These securities are subject to market fluctuation and no 
interest accrues to the purchaser prior to settlement. At the time the Fund 
makes the commitment to purchase such securities, it will record the 
transaction and thereafter reflect the value, each day, of such securities in 
determining its net asset value. 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. 

   Zero Coupon Securities. A portion of the fixed-income securities purchased 
by the Fund may be zero coupon securities. Such securities are purchased at a 
discount from their face amount, giving the purchaser the right to receive 
their full value at maturity. The interest earned on such securities is, 
implicitly, automatically compounded and paid out at maturity. While such 
compounding at a constant rate eliminates the risk of receiving lower yields 
upon reinvestment of interest if prevailing interest rates decline, the owner 
of a zero coupon security will be unable to participate in higher yields upon 
reinvestment of interest received on interest-paying securities if prevailing 
interest rates rise. 

   A zero coupon security pays no interest to its holder during its life. 
Therefore, to the extent the Fund invests in zero coupon securities, it will 
not receive current cash available for distribution to shareholders. In 
addition, zero coupon securities are subject to substantially greater price 
fluctuations during periods of changing prevailing interest rates than are 
comparable securities which pay interest on a current basis. Current federal 
tax law requires that a holder (such as the Fund) of a zero coupon security 
accrue a portion of the discount at which the security was purchased as 
income each year even though the Fund receives no interest payments in cash 
on the security during the year. 

RISK CONSIDERATIONS AND INVESTMENT PRACTICES 

   The value of the Fund's portfolio securities and, therefore, the Fund's 
net asset value per share, may increase or decrease due to various factors, 
principally changes in prevailing interest rates and the ability of the 
issuers of the Fund's portfolio securities to pay interest and principal on 
such obligations on a timely basis. Generally, a rise in interest rates will 
result in a decrease in the Fund's net asset value per share, while a drop in 
interest rates will result in an increase in the Fund's net asset value per 
share. The Fund's yield will also vary based on the yield of the Fund's 
portfolio securities. 

   Futures Contracts and Options on Futures. The Fund may enter into 
financial futures contracts ("futures contracts"), options on such futures 
and municipal bond index futures contracts for hedging purposes. The Fund may 
sell a futures contract or a call option thereon or purchase a put option on 
such futures contract, if the Investment Manager anticipates interest rates 
to rise, as a hedge against a decrease in the value of the Fund's portfolio 
securities. If the Investment Manager anticipates that interest rates will 
decline, the Fund may purchase a futures contract or a call option thereon or 
sell a put option on such futures contract, to protect against an increase in 
the price of the securities the Fund intends to purchase. These futures 
contracts and related options thereon will be used only as a hedge against 
anticipated interest rate changes. A futures contract sale creates an 
obligation by the Fund, as seller, to deliver the specific type of instrument 
called for in the contract at a specified future time for a specified price. 
A futures contract purchase creates an obligation by the Fund, as purchaser, 
to take delivery of the specific type of financial instrument at a specified 
future time at a specified price. The specific securities delivered or taken, 
respectively, 

                               10           
<PAGE>
at settlement date, would not be determined until or near that date. The 
determination would be in accordance with the rules of the exchange on which 
the futures contract sale or purchase was effected. 

   Although the terms of futures contracts specify actual delivery or receipt 
of securities, in most instances the contracts are closed out before the 
settlement date without the making or taking of delivery of the securities. 
Closing out of a futures contract is effected by entering into an offsetting 
purchase or sale transaction. 

   Unlike a futures contract, which requires the parties to buy and sell a 
security on a set date, an option on a futures contract entitles its holder 
to decide on or before a future date whether to enter into such a contract (a 
long position in the case of a call option and a short position in the case 
of a put option). If the holder decides not to enter into the contract, the 
premium paid for the option on the contract is lost. Since the value of the 
option is fixed at the point of sale, there are not daily payments of cash to 
reflect the change in the value of the underlying contract as there are by a 
purchaser or seller of a futures contract. The value of the option does 
change and is reflected in the net asset value of the Fund. 

   A risk in employing futures contracts to protect against the price 
volatility of portfolio securities is that the prices of securities subject 
to futures contracts may correlate imperfectly with the behavior of the cash 
prices of the Fund's portfolio securities. The risk of imperfect correlation 
may be increased by the fact that the Fund will invest in futures contracts 
on taxable securities and there is no guarantee that the prices of taxable 
securities will move in a similar manner to the prices of tax-exempt 
securities. The correlation may 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. 

   Another risk is that the Fund's manager could be incorrect in its 
expectations as to the direction or extent of various interest rate movements 
or the time span within which the movements take place. For example, if the 
Fund sold futures contracts for the sale of securities in anticipation of an 
increase in interest rates, and then interest rates went down instead, 
causing bond prices to rise, the Fund would lose money on the sale. 

   In addition to the risks that apply to all options transactions (see the 
Statement of Additional Information for a description of the characteristics 
of, and the risks of investing in, options on debt securities), there are 
several special risks relating to options on futures; in particular, the 
ability to establish and close out positions on options on futures will be 
subject to the development and maintenance of a liquid secondary market. It 
is not certain that this market will develop or be maintained. 

   Municipal Bond Index Futures. The Fund may utilize municipal bond index 
futures contracts and options thereon for hedging purposes. The Fund's 
strategies in employing such contracts will be similar to that discussed 
above with respect to financial futures and options thereon. A municipal bond 
index is a method of reflecting in a single number the market value of many 
different municipal bonds and is designed to be representative of the 
municipal bond market generally. The index fluctuates in response to changes 
in the market values of the bonds included within the index. Unlike futures 
contracts on particular financial instruments, transactions in futures on a 
municipal bond index will be settled in cash, if held until the close of 
trading in the contract. However, like any other futures contract, a position 
in the contract may be closed out by purchase or sale of an offsetting 
contract for the same delivery month prior to expiration of the contract. 

   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. The Fund may not purchase or sell 
futures contracts or related options thereon if, immediately thereafter, more 
than one-third of its net assets would be hedged. 

                               11           
<PAGE>
   For a discussion of the risks of certain types of Municipal Obligations, 
such as lease obligations, see above in "Investment Objective and Policies." 

PORTFOLIO MANAGEMENT 

   
   The Fund is actively managed by the Investment Manager with a view to 
achieving the Fund's investment objective. In determining which securities to 
purchase for the Fund or hold in the Fund's portfolio, the Investment Manager 
will rely on information from various sources, including research, analysis 
and appraisals of brokers and dealers, including Dean Witter Reynolds Inc. 
("DWR") and other broker-dealer affiliates of InterCapital, the views of 
Trustees of the Fund and others regarding economic developments and interest 
rate trends, and the Investment Manager's own analysis of factors it deems 
relevant. The Fund is managed within InterCapital's Tax-Exempt Group, which 
manages forty tax-exempt municipal funds and fund portfolios, with 
approximately $     billion in assets as of June 30, 1997. James F. Willison, 
Senior Vice President of InterCapital and Manager of Inter Capital's 
Municipal Fixed Income Group and Joseph R. Arcieri, Vice President of 
InterCapital and a member of InterCapital's Municipal Fixed Income Group, 
have been the primary portfolio co-managers of the Fund since its inception 
and February, 1997, respectively, and have been portfolio managers at 
InterCapital for over five years. 

   Securities are purchased and sold principally in response to the 
Investment Manager's current evaluation of an issuer's ability to meet its 
debt obligations in the future, and the Investment Manager's current 
assessment of future changes in the levels of interest rates on tax-exempt 
securities of varying maturities. Securities purchased by the Fund are, 
generally, sold by dealers acting as principal for their own accounts. 
Pursuant to an order of the Securities and Exchange Commission, the Fund may 
effect principal transactions in certain money market instruments with DWR. 
In addition, the Fund may incur brokerage commissions on transactions 
conducted through DWR and other brokers and dealers that are affiliates of 
InterCapital. 
    

   The portfolio trading engaged in by the Fund may result in its portfolio 
turnover rate exceeding 100%. The Fund will incur underwriting discount costs 
(on underwritten securities) commensurate with its portfolio turnover rate. 
Additionally, see "Dividends, Distributions and Taxes" for a discussion of 
the tax policy of the Fund. A more extensive discussion of the Fund's 
portfolio brokerage policies is set forth in the Statement of Additional 
Information. 

   Except as specifically noted, all investment objectives, policies and 
practices discussed above are not fundamental policies of the Fund and, as 
such, may be changed without shareholder approval. 

INVESTMENT RESTRICTIONS 
- ----------------------------------------------------------------------------- 

   The investment restrictions listed below are among the restrictions which 
have been adopted by the Fund as fundamental policies. Under the Investment 
Company Act of 1940, as amended (the "Act"), a fundamental policy may not be 
changed without the vote of a majority of the outstanding voting securities 
of the Fund, as defined in the Act. 

   For purposes of the following restrictions: (a) an "issuer" of a security 
is the entity whose assets and revenues are committed to the payment of 
interest and principal on that particular security, provided that the 
guarantee of a security will be considered a separate security, and provided 
further that a guarantee of a security shall not be deemed to be a security 
issued by the guarantor if the value of all securities issued or guaranteed 
by the guarantor and owned by the Fund does not exceed 10% of the value of 
the total assets of the Fund; (b) a "taxable security" is any security the 
interest on which is subject to federal income tax; and (c) all percentage 
limitations apply immediately after a purchase or initial investment, and any 
subsequent change in any applicable percentage resulting from market 
fluctuations or other changes in the Fund's total assets does not require 
elimination of any security from the portfolio. 

                               12           
<PAGE>
The Fund may not: 

   1. 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 agencies or instrumentalities). 

   2. Purchase more than 10% of all outstanding taxable debt securities or 
any one issuer (other than obligations issued, or guaranteed as to principal 
and interest, by the United States Government, its agencies or 
instrumentalities). 

   3. Invest more than 25% of the value of its total assets in securities of 
issuers in any one industry. This restriction does not apply to obligations 
issued or guaranteed by the United States Government, its agencies or 
instrumentalities or to cash equivalents (industrial development and 
pollution control bonds are grouped into industries based upon the business 
in which the issuers of such obligations are engaged). 

   4. Invest more than 5% of the value of its total assets in taxable 
securities of issuers having a record, together with predecessors, of less 
than three years of continuous operation. This restriction shall not apply to 
any obligation of the United States Government, its agencies or 
instrumentalities. 

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

GENERAL 

   The Fund offers each class of its shares for sale to the public on a 
continuous basis. 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 
offered by DWR and other dealers who 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 Fund offers four classes of shares (each, a "Class"). Class A shares 
are sold to investors with an initial sales charge that declines to zero for 
larger purchases; however, Class A shares sold without an initial sales 
charge are subject to a contingent deferred sales charge ("CDSC") of 1.0% if 
redeemed within one year of purchase, except for certain specific 
circumstances. Class B shares are sold without an initial sales charge but 
are subject to a CDSC (scaled down from 5.0% to 1.0%) payable upon most 
redemptions within six years after purchase. Class C shares are sold without 
an initial sales charge but are subject to a CDSC of 1.0% on most redemptions 
made within one year after purchase. Class D shares are sold without an 
initial sales charge or CDSC and are available only to investors meeting an 
initial investment minimum of $5 million, and to certain other limited 
categories of investors. At the discretion of the Board of Trustees of the 
Fund, Class A shares may be sold to categories of investors in addition to 
those set forth in this prospectus at net asset value without a front-end 
sales charge, and Class D shares may be sold to certain other categories of 
investors, in each case as may be described in the then current prospectus of 
the Fund. See "Alternative Purchase Arrangements--Selecting a Particular 
Class" for a discussion of factors to consider in selecting which Class of 
shares to purchase. 

   The minimum initial purchase is $1,000 for each Class of shares, although 
Class D shares are only available to persons investing $5 million or more and 
to certain other limited categories of investors. For the purpose of meeting 
the minimum $5 million initial investment for Class D shares, and subject to 
the $1,000 minimum initial investment for each Class of the Fund, an 
investor's existing holdings of Class A shares of the Fund and other Dean 
Witter Funds that are multiple class funds 
    

                               13           
<PAGE>
   
("Dean Witter Multi-Class Funds") and shares of Dean Witter Funds sold with a 
front-end sales charge ("FSC Funds") and concurrent investments in Class D 
shares of the Fund and other Dean Witter Multi-Class Funds will be 
aggregated. Subsequent purchases of $100 or more may be made by sending a 
check, payable to Dean Witter Tax-Exempt Securities Trust, directly to Dean 
Witter Trust Company (the "Transfer Agent") at P.O. Box 1040, Jersey City, 
N.J. 07303 or by contacting an account executive of DWR or other Selected 
Broker-Dealer. When purchasing shares of the Fund, investors must specify 
whether the purchase is for Class A, Class B, Class C or Class D shares. If 
no Class is specified, the Transfer Agent will not process the transaction 
until the proper Class is identified. The minimum initial purchase in the 
case of investments through EasyInvest (Service Mark), 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 purchases made pursuant to 
systematic payroll deduction plans, the Fund, in its discretion, may accept 
such purchases without regard to any minimum amounts which would otherwise be 
required if the Fund has reason to believe that additional purchases will 
increase the amount of the purchase of shares 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 on a normal three 
business day settlement basis; that is, payment generally is due on or before 
the third business day (settlement date) after the order is placed with the 
Distributor. Shares of the Fund purchased through the Distributor are 
entitled to dividends beginning on the next business day following settlement 
date. Since DWR and other Selected Broker-Dealers forward investors' funds on 
settlement date, they will benefit from the temporary use of the funds where 
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 order. As noted above, orders placed directly with the Transfer 
Agent must be accompanied by payment. Investors will be entitled to receive 
capital gains distributions if their order is received by the close of 
business on the day prior to the record date for such distributions. Sales 
personnel of a Selected Broker-Dealer are compensated for selling shares of 
the Fund by the Distributor or any of its affiliates and/or the Selected 
Broker-Dealer. In addition, some sales personnel of the Selected 
Broker-Dealer will receive various types of non-cash compensation as special 
sales incentives, including trips, educational and/or business seminars and 
merchandise. The Fund and/or the Distributor reserve the right to reject any 
purchase order. 

   Analogous Dean Witter Funds. The Distributor and the Investment Manager 
serve in the same capacities for Dean Witter National Municipal Trust, an 
open-end investment company with investment objectives and policies similar 
to those of the Fund. Shares of Dean Witter National Municipal Trust are 
offered to the public at net asset value, with a CDSC assessed upon 
redemptions within three years of purchase, as well as an annual Rule 12b-1 
distribution fee. The Classes of the Fund and Dean Witter National Municipal 
Trust have differing fees and expenses, which will affect performance. 
Investors who would like to receive a prospectus for Dean Witter National 
Municipal Trust should call the telephone numbers listed on the front cover 
of this Prospectus, or may call their account executive for additional 
information. 

   The Boards of Trustees of the Fund and of Dean Witter National Municipal 
Trust have approved a reorganization plan whereby Dean Witter National 
Municipal Trust would be merged into the Fund. This plan is subject to the 
consent of the Dean Witter National Municipal Trust shareholders. If 
approved, the Funds' assets would be combined and Dean Witter National 
Municipal Trust shareholders would become shareholders of the Fund, receiving 
Class B shares of the Fund equal to the value of their holdings in Dean 
Witter National Municipal Trust. A proxy statement formally detailing the 
proposal will be distributed to Dean Witter National Municipal Trust 
shareholders in August 1997. 
    

                               14           
<PAGE>
   
ALTERNATIVE PURCHASE ARRANGEMENTS 

   The Fund offers several Classes of shares to investors designed to provide 
them with the flexibility of selecting an investment best suited to their 
needs. The general public is offered three Classes of shares: Class A shares, 
Class B shares and Class C shares, which differ principally in terms of sales 
charges and rate of expenses to which they are subject. A fourth Class of 
shares, Class D shares, is offered only to limited categories of investors 
(see "No Load Alternative--Class D Shares" below). 

   Each Class A, Class B, Class C or Class D share of the Fund represents an 
identical interest in the investment portfolio of the Fund except that Class 
A, Class B and Class C shares bear the expenses of the ongoing shareholder 
service fees, Class B and Class C shares bear the expenses of the ongoing 
distribution fees and Class A, Class B and Class C shares which are redeemed 
subject to a CDSC bear the expense of the additional incremental distribution 
costs resulting from the CDSC applicable to shares of those Classes. The 
ongoing distribution fees that are imposed on Class A, Class B and Class C 
shares will be imposed directly against those Classes and not against all 
assets of the Fund and, accordingly, such charges against one Class will not 
affect the net asset value of any other Class or have any impact on investors 
choosing another sales charge option. See "Plan of Distribution" and 
"Redemptions and Repurchases." 

   Set forth below is a summary of the differences between the Classes and 
the factors an investor should consider when selecting a particular Class. 
This summary is qualified in its entirety by detailed discussion of each 
Class that follows this summary. 

   Class A Shares. Class A shares are sold at net asset value plus an initial 
sales charge of up to 4.25%. The initial sales charge is reduced for certain 
purchases. Investments of $1 million or more (and investments by certain 
other limited categories of investors) are not subject to any sales charges 
at the time of purchase but are subject to a CDSC of 1.0% on redemptions made 
within one year after purchase, except for certain specific circumstances. 
Class A shares are also subject to a 12b-1 fee of up to 0.25% of the average 
daily net assets of the Class. See "Initial Sales Charge Alternative--Class A 
Shares." 

   Class B Shares. Class B shares are offered at net asset value with no 
initial sales charge but are subject to a CDSC (scaled down from 5.0% to 
1.0%) if redeemed within six years of purchase. This CDSC may be waived for 
certain redemptions. Class B shares are also subject to an annual 12b-1 fee 
of 0.60% of the average daily net assets of Class B. The Class B shares' 
distribution fee will cause that Class to have higher expenses and pay lower 
dividends than Class A or Class D shares. 

   After approximately ten (10) years, Class B shares will convert 
automatically to Class A shares of the Fund, based on the relative net asset 
values of the shares of the two Classes on the conversion date. In addition, 
a certain portion of Class B shares that have been acquired through the 
reinvestment of dividends and distributions will be converted at that time. 
See "Contingent Deferred Sales Charge Alternative--Class B Shares." 

   Class C Shares. Class C shares are sold at net asset value with no initial 
sales charge but are subject to a CDSC of 1.0% on redemptions made within one 
year after purchase. This CDSC may be waived for certain redemptions. They 
are subject to an annual 12b-1 fee of up to 0.70% of the average daily net 
assets of the Class C shares. The Class C shares' distribution fee may cause 
that Class to have higher expenses and pay lower dividends than Class A or 
Class D shares. See "Level Load Alternative--Class C Shares." 

   Class D Shares. Class D shares are available only to limited categories of 
investors (see "No Load Alternative--Class D Shares" below). Class D shares 
are sold at net asset value with no initial sales charge or CDSC. They are 
not subject to any 12b-1 fees. See "No Load Alternative--Class D Shares." 

   Selecting a Particular Class. In deciding which Class of Fund shares to 
purchase, investors should consider the following factors, as well as any 
other relevant facts and circumstances: 
    

                               15           
<PAGE>
   
   The decision as to which Class of shares is more beneficial to an investor 
depends on the amount and intended length of his or her investment. Investors 
who prefer an initial sales charge alternative may elect to purchase Class A 
shares. Investors qualifying for significantly reduced or, in the case of 
purchases of $1 million or more, no initial sales charges may find Class A 
shares particularly attractive because similar sales charge reductions are 
not available with respect to Class B or Class C shares. Moreover, Class A 
shares are subject to lower ongoing expenses than are Class B or Class C 
shares over the term of the investment. As an alternative, Class B and Class 
C shares are sold without any initial sales charge so the entire purchase 
price is immediately invested in the Fund. Any investment return on these 
additional investment amounts may partially or wholly offset the higher 
annual expenses of these Classes. Because the Fund's future return cannot be 
predicted, however, there can be no assurance that this would be the case. 

   Finally, investors should consider the effect of the CDSC period and any 
conversion rights of the Classes in the context of their own investment time 
frame. For example, although Class C shares are subject to a significantly 
lower CDSC upon redemptions, they do not, unlike Class B shares, convert into 
Class A shares after approximately ten years, and, therefore, are subject to 
an ongoing 12b-1 fee of 0.70% (rather than the 0.25% fee applicable to Class 
A shares) for an indefinite period of time. Thus, Class B shares may be more 
attractive than Class C shares to investors with longer term investment 
outlooks. Other investors, however, may elect to purchase Class C shares if, 
for example, they determine that they do not wish to be subject to a 
front-end sales charge and they are uncertain as to the length of time they 
intend to hold their shares. 

   For the purpose of meeting the $5 million minimum investment amount for 
Class D shares, holdings of Class A shares in all Dean Witter Multi-Class 
Funds, shares of FSC Funds and shares of Dean Witter Funds for which such 
shares have been exchanged will be included together with the current 
investment amount. 

   Sales personnel may receive different compensation for selling each Class 
of shares. Investors should understand that the purpose of a CDSC is the same 
as that of the initial sales charge in that the sales charges applicable to 
each Class provide for the financing of the distribution of shares of that 
Class. 

   Set forth below is a chart comparing the sales charge, 12b-1 fees and 
conversion options applicable to each Class of shares: 
    

   
<TABLE>
<CAPTION>
                                                       CONVERSION 
   CLASS         SALES CHARGE          12B-1 FEE         FEATURE 
- --------- ------------------------- ------------- ------------------- 
<S>       <C>                       <C>           <C>
     A        MAXIMUM 4.25%          0.25%           No 
              INITIAL SALES CHARGE
              REDUCED FOR          
              PURCHASES OF        
              $25,000 AND OVER;   
              SHARES SOLD WITHOUT 
              AN INITIAL SALES    
              CHARGE GENERALLY    
              SUBJECT TO A 1.0%   
              CDSC DURING FIRST   
              year.               
- --------- ------------------------- ------------- ------------------- 
              Maximum 5.0%                           B shares convert 
              CDSC during the first                  to A shares 
              year decreasing                        automatically 
              to 0 after six years                   after 
                                                     approximately 
     B                                0.60%          ten years 
- --------- ------------------------- ------------- ------------------- 
     C        1.0% CDSC during        0.70%          No
              first year                                
- --------- ------------------------- ------------- ------------------- 
     D         None                   None           No 
- --------- ------------------------- ------------- ------------------- 
</TABLE>
    

   
   See "Purchase of Fund Shares" and "The Fund and its Management" for a 
complete description of the sales charges and service and distribution fees 
for each Class of shares and "Determination of Net Asset Value," "Dividends, 
Distributions and Taxes" and "Shareholder Services--Exchange Privilege" for 
other differences between the Classes of shares. 

INITIAL SALES CHARGE ALTERNATIVE--CLASS A SHARES 

   Class A shares are sold at net asset value plus an initial sales charge. 
In some cases, reduced sales charges may be available, as described below. 
Investments of $1 million or more (and investments by certain other limited 
categories of investors) are not subject to any sales charges at the time 
    

                               16           
<PAGE>
   
of purchase but are subject to a CDSC of 1.0% on redemptions made within one 
year after purchase (calculated from the last day of the month in which the 
shares were purchased), except for certain specific circumstances. The CDSC 
will be assessed on an amount equal to the lesser of the current market value 
or the cost of the shares being redeemed. The CDSC will not be imposed (i) in 
the circumstances set forth below in the section "Contingent Deferred Sales 
Charge Alternative--Class B Shares--CDSC Waivers," except that the references 
to six years in the first paragraph of that section shall mean one year in 
the case of Class A shares, and (ii) in the circumstances identified in the 
section "Additional Net Asset Value Purchase Options" below. Class A shares 
are also subject to an annual 12b-1 fee of up to 0.25% of the average daily 
net assets of the Class. 

   The offering price of Class A shares will be the net asset value per share 
next determined following receipt of an order (see "Determination of Net 
Asset Value" below), plus a sales charge (expressed as a percentage of the 
offering price) on a single transaction as shown in the following table: 
    

   
<TABLE>
<CAPTION>
                               SALES CHARGE 
                     ------------------------------- 
                       PERCENTAGE OF    APPROXIMATE 
  AMOUNT OF SINGLE    PUBLIC OFFERING  PERCENTAGE OF 
     TRANSACTION           PRICE      AMOUNT INVESTED 
- -------------------- --------------- --------------- 
<S>                  <C>             <C>
Less than $25,000  ..      4.25%           4.44% 
$25,000 but less 
  than $50,000 ......      4.00%           4.17% 
$50,000 but less 
  than $100,000 .....      3.50%           3.63% 
$100,000 but less 
  than $250,000 .....      2.75%           2.83% 
$250,000 but less 
  than $1 million  ..      1.75%           1.78% 
$1 million and over         0                 0 
</TABLE>
    

   
   Upon notice to all Selected Broker-Dealers, the Distributor may reallow up 
to the full applicable sales charge as shown in the above schedule during 
periods specified in such notice. During periods when 90% or more of the 
sales charge is reallowed, such Selected Broker-Dealers may be deemed to be 
underwriters as that term is defined in the Securities Act of 1933. 

   The above schedule of sales charges is applicable to purchases in a single 
transaction by, among others: (a) an individual; (b) an individual, his or 
her spouse and their children under the age of 21 purchasing shares for his, 
her or their own accounts; (c) a trustee or other fiduciary purchasing shares 
for a single trust estate or a single fiduciary account; (d) a pension, 
profit-sharing or other employee benefit plan qualified or non-qualified 
under Section 401 of the Internal Revenue Code; (e) tax-exempt organizations 
enumerated in Section 501(c)(3) or (13) of the Internal Revenue Code; (f) 
employee benefit plans qualified under Section 401 of the Internal Revenue 
Code of a single employer or of employers who are "affiliated persons" of 
each other within the meaning of Section 2(a)(3)(c) of the Act; and for 
investments in Individual Retirement Accounts of employees of a single 
employer through Systematic Payroll Deduction plans; or (g) any other 
organized group of persons, whether incorporated or not, provided the 
organization has been in existence for at least six months and has some 
purpose other than the purchase of redeemable securities of a registered 
investment company at a discount. 

   Combined Purchase Privilege. Investors may have the benefit of reduced 
sales charges in accordance with the above schedule by combining purchases of 
Class A shares of the Fund in single transactions with the purchase of Class 
A shares of other Dean Witter Multi-Class Funds and shares of FSC Funds. The 
sales charge payable on the purchase of the Class A shares of the Fund, the 
Class A shares of the other Dean Witter Multi-Class Funds and the shares of 
the FSC Funds will be at their respective rates applicable to the total 
amount of the combined concurrent purchases of such shares. 

   Right of Accumulation. The above persons and entities may benefit from a 
reduction of the sales charges in accordance with the above schedule if the 
cumulative net asset value of Class A shares purchased in a single 
transaction, together with shares of the Fund and other Dean Witter Funds 
previously purchased at a price including a front-end sales charge (including 
shares of the Fund and other Dean Witter Funds acquired in exchange for those 
shares, and including in each case shares 
    

                               17           
<PAGE>
   
acquired through reinvestment of dividends and distributions), which are held 
at the time of such transaction, amounts to $25,000 or more. If such investor 
has a cumulative net asset value of shares of FSC Funds and Class A and Class 
D shares equal to at least $5 million, such investor is eligible to purchase 
Class D shares subject to the $1,000 minimum initial investment requirement 
of that Class of the Fund. See "No Load Alternative--Class D Shares" below. 

   The Distributor must be notified by DWR or a Selected Broker-Dealer or the 
shareholder at the time a purchase order is placed that the purchase 
qualifies for the reduced charge under the Right of Accumulation. Similar 
notification must be made in writing by the dealer or shareholder when such 
an order is placed by mail. The reduced sales charge will not be granted if: 
(a) such notification is not furnished at the time of the order; or (b) a 
review of the records of the Selected Broker-Dealer or the Transfer Agent 
fails to confirm the investor's represented holdings. 

   Letter of Intent. The foregoing schedule of reduced sales charges will 
also be available to investors who enter into a written Letter of Intent 
providing for the purchase, within a thirteen-month period, of Class A shares 
of the Fund from DWR or other Selected Broker-Dealers. The cost of Class A 
shares of the Fund or shares of other Dean Witter Funds which were previously 
purchased at a price including a front-end sales charge during the 90-day 
period prior to the date of receipt by the Distributor of the Letter of 
Intent, or of Class A shares of the Fund or shares of other Dean Witter Funds 
acquired in exchange for shares of such funds purchased during such period at 
a price including a front-end sales charge, which are still owned by the 
shareholder, may also be included in determining the applicable reduction. 

   Additional Net Asset Value Purchase Options. In addition to investments of 
$1 million or more, Class A shares also may be purchased at net asset value 
by the following: 

   (1) trusts for which Dean Witter Trust Company ("DWTC") or Dean Witter 
Trust FSB ("DWTFSB") (each of which is an affiliate of the Investment 
Manager) provides discretionary trustee services; 

   (2) persons participating in a fee-based program approved by the 
Distributor, pursuant to which such persons pay an asset based fee for 
services in the nature of investment advisory or administrative services 
(such investments are subject to all of the terms and conditions of such 
programs, which may include termination fees and restrictions on 
transferability of Fund shares); 

   (3) investors who are clients of a Dean Witter account executive who 
joined Dean Witter from another investment firm within six months prior to 
the date of purchase of Fund shares by such investors, if the shares are 
being purchased with the proceeds from a redemption of shares of an open-end 
proprietary mutual fund of the account executive's previous firm which 
imposed either a front-end or deferred sales charge, provided such purchase 
was made within sixty days after the redemption and the proceeds of the 
redemption had been maintained in the interim in cash or a money market fund; 
and 

   (4) other categories of investors, at the discretion of the Board, as 
disclosed in the then current prospectus of the Fund. 

   No CDSC will be imposed on redemptions of shares purchased pursuant to 
paragraphs (1), (2) or (3), above. 

   For further information concerning purchases of the Fund's shares, contact 
DWR or another Selected Broker-Dealer or consult the Statement of Additional 
Information. 

CONTINGENT DEFERRED SALES CHARGE ALTERNATIVE--CLASS B SHARES 

   Class B shares are sold at net asset value next determined without an 
initial sales charge so that the full amount of an investor's purchase 
payment may be immediately invested in the Fund. A CDSC, however, will be 
imposed on most Class B shares redeemed within six years after purchase. The 
CDSC will be imposed on any redemption of shares 
    

                               18           
<PAGE>
   
if after such redemption the aggregate current value of a Class B account 
with the Fund falls below the aggregate amount of the investor's purchase 
payments for Class B shares made during the six years preceding the 
redemption. In addition, Class B shares are subject to an annual 12b-1 fee of 
0.60% of the average daily net assets of Class B. 

   Class B shares of the Fund which are held for six years or more after 
purchase (calculated from the last day of the month in which the shares were 
purchased) will not be subject to any CDSC upon redemption. Shares redeemed 
earlier than six years after purchase may, however, be subject to a CDSC 
which will be a percentage of the dollar amount of shares redeemed and will 
be assessed on an amount equal to the lesser of the current market value or 
the cost of the shares being redeemed. The size of this percentage will 
depend upon how long the shares have been held, as set forth in the following 
table: 
    

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

   
   CDSC Waivers. A CDSC will not be imposed on: (i) any amount which 
represents an increase in value of shares purchased within the six years 
preceding the redemption; (ii) the current net asset value of shares 
purchased more than six years prior to the redemption; and (iii) the current 
net asset value of shares purchased through reinvestment of dividends or 
distributions and/or shares acquired in exchange for shares of FSC Funds or 
of other Dean Witter Funds acquired in exchange for such shares. Moreover, in 
determining whether a CDSC is applicable it will be assumed that amounts 
described in (i), (ii) and (iii) above (in that order) are redeemed first. 

   In addition, the CDSC, if otherwise applicable, will be waived in the case 
of: 

   (1) redemptions of shares held at the time a shareholder dies or becomes 
disabled, only if the shares are:   (A) registered either in the name of an 
individual shareholder (not a trust), or in the names of such shareholder and 
his or her spouse as joint tenants with right of survivorship; or   (B) held 
in a qualified corporate or self-employed retirement plan, Individual 
Retirement Account ("IRA") or Custodial Account under Section 403(b)(7) of 
the Internal Revenue Code ("403(b) Custodial Account"), provided in either 
case that the redemption is requested within one year of the death or initial 
determination of disability; and 

   (2) redemptions in connection with the following retirement plan 
distributions:   (A) lump-sum or other distributions from a qualified 
corporate or self-employed retirement plan following retirement (or, in the 
case of a "key employee" of a "top heavy" plan, following attainment of age 
59 1/2);   (B) distributions from an IRA or 403(b) Custodial Account following 
attainment of age 59 1/2; or   (C) a tax-free return of an excess contribution 
to an IRA. 

   With reference to (1) above, for the purpose of determining disability, 
the Distributor utilizes the definition of disability contained in Section 
72(m)(7) of the Internal Revenue Code, which relates to the inability to 
engage in gainful employment. With reference to (2) above, the term 
"distribution" does not encompass a direct transfer of IRA, 403(b) Custodial 
Account or retirement plan assets to a successor custodian or trustee. All 
waivers will be granted only following receipt by the Distributor of 
confirmation of the shareholder's entitlement. 

   Conversion to Class A Shares.  Class B shares will convert automatically 
to Class A shares, based on the relative net asset values of the shares of 
the two Classes on the conversion date, which will be approximately ten (10) 
years after the date of the original purchase. The ten year period is 
calculated from the last day of the month in which the shares were purchased 
or, in the case of Class B shares acquired through an exchange or a series of 
exchanges, from the last day of the month in which the original Class B 
shares were purchased. The con- 
    
                               19           
<PAGE>
   
version of shares will take place in the month following the tenth 
anniversary of the purchase. There will also be converted at that time such 
proportion of Class B shares acquired through automatic reinvestment of 
dividends and distributions owned by the shareholder as the total number of 
his or her Class B shares converting at the time bears to the total number of 
outstanding Class B shares purchased and owned by the shareholder. In the 
case of Class B shares previously exchanged for shares of an "Exchange Fund" 
(see "Shareholder Services--Exchange Privilege"), the period of time the 
shares were held in the Exchange Fund (calculated from the last day of the 
month in which the Exchange Fund shares were acquired) is excluded from the 
holding period for conversion. If those shares are subsequently re-exchanged 
for Class B shares of a Dean Witter Multi-Class Fund, the holding period 
resumes on the last day of the month in which Class B shares are reacquired. 

   If a shareholder has received share certificates for Class B shares, such 
certificates must be delivered to the Transfer Agent at least one week prior 
to the date for conversion. Class B shares evidenced by share certificates 
that are not received by the Transfer Agent at least one week prior to any 
conversion date will be converted into Class A shares on the next scheduled 
conversion date after such certificates are received. 

   Effectiveness of the conversion feature is subject to the continuing 
availability of a ruling of the Internal Revenue Service or an opinion of 
counsel that (i) the conversion of shares does not constitute a taxable event 
under the Internal Revenue Code, (ii) Class A shares received on conversion 
will have a basis equal to the shareholder's basis in the converted Class B 
shares immediately prior to the conversion, and (iii) Class A shares received 
on conversion will have a holding period that includes the holding period of 
the converted Class B shares. The conversion feature may be suspended if the 
ruling or opinion is no longer available. In such event, Class B shares would 
continue to be subject to Class B 12b-1 fees. 

LEVEL LOAD ALTERNATIVE--CLASS C SHARES 

   Class C shares are sold at net asset value next determined without an 
initial sales charge but are subject to a CDSC of 1.0% on most redemptions 
made within one year after purchase (calculated from the last day of the 
month in which the shares were purchased). The CDSC will be assessed on an 
amount equal to the lesser of the current market value or the cost of the 
shares being redeemed. The CDSC will not be imposed in the circumstances set 
forth above in the section "Contingent Deferred Sales Charge 
Alternative--Class B Shares--CDSC Waivers," except that the references to six 
years in the first paragraph of that section shall mean one year in the case 
of Class C shares. Class C shares are subject to an annual 12b-1 fee of up to 
0.70% of the average daily net assets of the Class. Unlike Class B shares, 
Class C shares have no conversion feature and, accordingly, an investor that 
purchases Class C shares will be subject to 12b-1 fees applicable to Class C 
shares for an indefinite period subject to annual approval by the Fund's 
Board of Trustees and regulatory limitations. 

NO LOAD ALTERNATIVE--CLASS D SHARES 

   Class D shares are offered without any sales charge on purchase or 
redemption and without any 12b-1 fee. Class D shares are offered only to 
investors meeting an initial investment minimum of $5 million and the 
following categories of investors: (i) investors participating in the 
InterCapital mutual fund asset allocation program pursuant to which such 
persons pay an asset based fee; (ii) persons participating in a fee-based 
program approved by the Distributor, pursuant to which such persons pay an 
asset based fee for services in the nature of investment advisory or 
administrative services (subject to all of the terms and conditions of such 
programs, which may include termination fees and restrictions on 
transferability of Fund shares); (iii) certain Unit Investment Trusts 
sponsored by DWR; (iv) certain other open-end investment companies whose 
shares are distributed by the Distributor; and (v) other categories of 
investors, at the discretion of the Board, as disclosed in the then current 
prospectus of the Fund. All shares of the Fund held prior to 
    
                               20           
<PAGE>
   
July 28, 1997 have been designated Class D shares. Additional investments in 
Class D shares by shareholders holding such shares may only be made if those 
shareholders are otherwise eligible to purchase Class D shares. However, 
shareholders holding such shares will receive the benefit of the value of 
such shares towards reduced sales charges on purchases of Class A shares 
pursuant to the Fund's "Right of Accumulation" (see "Initial Sales Charge 
Alternative--Class A Shares--Right of Accumulation"). Investors who require a 
$5 million minimum initial investment to qualify to purchase Class D shares 
may satisfy that requirement by investing that amount in a single transaction 
in Class D shares of the Fund and other Dean Witter Multi-Class Funds, 
subject to the $1,000 minimum initial investment required for that Class of 
the Fund. In addition, for the purpose of meeting the $5 million minimum 
investment amount, holdings of Class A shares in all Dean Witter Multi-Class 
Funds, shares of FSC Funds and shares of Dean Witter Funds for which such 
shares have been exchanged will be included together with the current 
investment amount. If a shareholder redeems Class A shares and purchases 
Class D shares, such redemption may be a taxable event. 

PLAN OF DISTRIBUTION 

   Effective July 28, 1997, the Fund has adopted a Plan of Distribution 
pursuant to Rule 12b-1 under the Act with respect to the distribution of 
Class A, Class B and Class C shares of the Fund. In the case of Class A and 
Class C shares, the Plan provides that the Fund will reimburse the 
Distributor and others for the expenses of certain activities and services 
incurred by them specifically on behalf of those shares. Reimbursements for 
these expenses will be made in monthly payments by the Fund to the 
Distributor, which will in no event exceed amounts equal to payments at the 
annual rates of 0.25% and 0.70% of the average daily net assets of Class A 
and Class C, respectively. In the case of Class B shares, the Plan provides 
that the Fund will pay the Distributor a fee, which is accrued daily and paid 
monthly, at the annual rate of 0.60% of the average daily net assets of Class 
B. The fee is treated by the Fund as an expense in the year it is accrued. In 
the case of Class A shares, the entire amount of the fee currently represents 
a service fee within the meaning of the NASD guidelines. In the case of Class 
B and Class C shares, a portion of the fee payable pursuant to the Plan, 
equal to 0.15% and 0.25% of the average daily net assets of each of these 
Classes, respectively, is currently characterized as a service fee. A service 
fee is a payment made for personal service and/or the maintenance of 
shareholder accounts. 

   Additional amounts paid under the Plan in the case of Class B and Class C 
shares are paid to the Distributor for services provided and the expenses 
borne by the Distributor and others in the distribution of the shares of 
those Classes, including the payment of commissions for sales of the shares 
of those Classes and incentive compensation to and expenses of DWR's account 
executives and others who engage in or support distribution of shares or who 
service shareholder accounts, including overhead and telephone expenses; 
printing and distribution of prospectuses and reports used in connection with 
the offering of the Fund's shares to other than current shareholders; and 
preparation, printing and distribution of sales literature and advertising 
materials. In addition, the Distributor may utilize fees paid pursuant to the 
Plan in the case of Class B shares to compensate DWR and other Selected 
Broker-Dealers for their opportunity costs in advancing such amounts, which 
compensation would be in the form of a carrying charge on any unreimbursed 
expenses. 

   In the case of Class B shares, at any given time, the expenses in 
distributing Class B shares of the Fund may be in excess of the total of (i) 
the payments made by the Fund pursuant to the Plan, and (ii) the proceeds of 
CDSCs paid by investors upon the redemption of Class B shares. For example, 
if $1 million in expenses in distributing Class B shares of the Fund had been 
incurred and $750,000 had been received as described in (i) and (ii) above, 
the excess expense would amount to $250,000. Because there is no requirement 
under the Plan that the Distributor be reimbursed for all 
    
                               21           
<PAGE>
   
distribution expenses or any requirement that the Plan be continued from year 
to year, such excess amount does not constitute a liability of the Fund. 
Although there is no legal obligation for the Fund to pay expenses incurred 
in excess of payments made to the Distributor under the Plan, and the 
proceeds of CDSCs paid by investors upon redemption of shares, if for any 
reason the Plan is terminated the Trustees will consider at that time the 
manner in which to treat such expenses. Any cumulative expenses incurred, but 
not yet recovered through distribution fees or CDSCs, may or may not be 
recovered through future distribution fees or CDSCs. 

   In the case of Class A and Class C shares, expenses incurred pursuant to 
the Plan in any calendar year in excess of 0.25% or 0.70% of the average 
daily net assets of Class A or Class C, respectively, will not be reimbursed 
by the Fund through payments in any subsequent year, except that expenses 
representing a gross sales commission credited to account executives at the 
time of sale may be reimbursed in the subsequent calendar year. No interest 
or other financing charges will be incurred on any Class A or Class C 
distribution expenses incurred by the Distributor under the Plan or on any 
unreimbursed expenses due to the Distributor pursuant to the Plan. 
    

DETERMINATION OF NET ASSET VALUE 

   
   The net asset value per share is determined once daily at 4:00 p.m., New 
York time, on each day that the New York Stock Exchange is open (or, on days 
when the New York Stock Exchange closes prior to 4:00 p.m., at such earlier 
time), by taking the net assets of the Fund, dividing by the number of shares 
outstanding and adjusting to the nearest cent. The assets belonging to the 
Class A, Class B, Class C and Class D shares will be invested together in a 
single portfolio. The net asset value of each Class, however, will be 
determined separately by subtracting each Class's accrued expenses and 
liabilities. 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. 
    

   Portfolio securities (other than short-term taxable debt securities, 
futures and options) are valued for the Fund by an outside independent 
pricing service approved by the Fund's Trustees. The service may utilize a 
computerized grid matrix of tax-exempt securities and evaluations by its 
staff in determining what it believes is the fair value of the Fund's 
portfolio securities. The Board believes that timely and reliable market 
quotations are generally not readily available to the Fund for purposes of 
valuing tax-exempt securities and that the valuations supplied by the pricing 
services are more likely to approximate the fair value of such securities. 

   
   Short-term taxable debt securities with remaining maturities of sixty days 
or less at time of purchase are valued at amortized cost, unless the Board 
determines such does not reflect the securities' market value, in which case 
these securities will be valued at their fair value as determined by the 
Board of Trustees. Other taxable short-term debt securities with maturities 
of more than sixty days will be valued on a mark to market basis until such 
time as they reach a 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 market value as determined by 
the Board of Trustees. Listed options on debt securities are valued at the 
latest sale price on the exchange on which they are listed unless no sales of 
such options have taken place that day, in which case, they will be valued at 
the mean between their closing bid and asked prices. Unlisted options on debt 
securities are valued at the mean between their latest bid and asked price. 
Futures are valued at the latest sale price on the commodities exchange on 
which they trade unless the Board of Trustees determines that such price does 
not reflect their fair value, in which case they will be valued at their fair 
market value as determined by the Board of 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 Board of Trustees. 
    

                               22           
<PAGE>
SHAREHOLDER SERVICES 
- ----------------------------------------------------------------------------- 

   
   Automatic Investment of Dividends and Distri-butions. All income dividends 
and capital gains distributions are automatically paid in full and fractional 
shares of the applicable Class of the Fund (or, if specified by the 
shareholder, in shares of any other open-end Dean Witter Fund), unless the 
shareholder requests that they be paid in cash. Shares so acquired are 
acquired at net asset value and are not subject to the imposition of a 
front-end sales charge or a CDSC (see "Redemptions and Repurchases"). Such 
dividends and distributions will be paid, at the net asset value per share 
(without sales charge), in shares of the applicable Class 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 checks 
during the first ten days of the following month. 

   Investment of Dividends and Distributions Received in Cash. Any 
shareholder who receives a cash payment representing a dividend or capital 
gains distribution may invest such dividend or distribution in shares of the 
applicable Class at the net asset value per share next determined after 
receipt by the Transfer Agent, by returning the check or the proceeds to the 
Transfer Agent within thirty days after the payment date. Shares so acquired 
are acquired at net asset value and are not subject to the imposition of a 
front-end sales charge or a CDSC (see "Redemptions and Repurchases"). 

   EasyInvest (Service Mark). Shareholders may subscribe to EasyInvest, an 
automatic purchase plan which pro-vides for any amount from $100 to $5,000 to 
be transferred automatically from a checking or savings account or following 
redemption of shares of a Dean Witter money market fund on a semi-monthly, 
monthly or quarterly basis, to the 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 plan provides for monthly or quarterly (March, June, September, 
December) checks in any dollar amount, not less than $25, or in any whole 
percentage of the account balance, on an annualized basis. Any applicable 
CDSC will be imposed on shares redeemed under the Withdrawal Plan (see 
"Purchase of Fund Shares"). Therefore, any shareholder participating in the 
Withdrawal Plan will have sufficient shares redeemed from his or her account 
so that the proceeds (net of any applicable CDSC) to the shareholder will be 
the designated monthly or quarterly amount. Withdrawal plan payments should 
not be considered as dividends, yields or income. If periodic withdrawal plan 
payments continuously exceed net investment income and net capital gains, the 
shareholder's original investment will be correspondingly reduced and 
ultimately exhausted. Each withdrawal constitutes a redemption of shares and 
any gain or loss realized must be recognized for federal income tax purposes. 

   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. 

EXCHANGE PRIVILEGE 

   Shares of each Class may be exchanged for shares of the same Class of any 
other Dean Witter Multi-Class Fund without the imposition of any exchange 
fee. Shares may also be exchanged for shares of the following funds: Dean 
Witter Short-Term U.S. Treasury Trust, Dean Witter Limited Term Municipal 
Trust, Dean Witter Short-Term Bond Fund, Dean Witter Intermediate Term U.S. 
Treasury Trust and five Dean Witter funds which are money market funds (the 
"Exchange Funds"). Class A shares may also be exchanged for shares of Dean 
Witter Multi-State Municipal Series Trust and Dean Witter 
    

                               23           
<PAGE>
   
Hawaii Municipal Trust, which are Dean Witter Funds sold with a front-end 
sales charge ("FSC Funds"). Class B shares may also be exchanged for shares 
of Dean Witter Global Short-Term Income Fund Inc., Dean Witter High Income 
Securities and Dean Witter National Municipal Trust, which are Dean Witter 
Funds offered with a CDSC ("CDSC Funds"). Exchanges may be made after the 
shares of the Fund acquired by purchase (not by exchange or dividend 
reinvestment) have been held for thirty days. There is no holding period for 
exchanges of shares acquired by exchange or dividend reinvestment. 

   An exchange to another Dean Witter Multi-Class Fund, any FSC Fund, any 
CDSC Fund or any Exchange Fund that is not a money market fund is on the 
basis of the next calculated net asset value per share of each fund after the 
exchange order is received. When exchanging into a money market fund from the 
Fund, shares of the Fund are redeemed out of the Fund at their next 
calculated net asset value and the proceeds of the redemption are used to 
purchase shares of the money market fund at their net asset value determined 
the following business day. Subsequent exchanges between any of the money 
market funds and any of the Dean Witter Multi-Class Funds, FSC Funds or CDSC 
Funds or any Exchange Fund that is not a money market fund can be effected on 
the same basis. 

   No CDSC is imposed at the time of any exchange of shares, although any 
applicable CDSC will be imposed upon ultimate redemption. During the period 
of time the shareholder remains 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 the CDSC) is 
frozen. If those shares are subsequently re-exchanged for shares of a Dean 
Witter Multi-Class Fund or shares of a CDSC Fund, the holding period 
previously frozen when the first exchange was made resumes on the last day of 
the month in which shares of a Dean Witter Multi-Class Fund or shares of a 
CDSC Fund are reacquired. Thus, the CDSC is based upon the time (calculated 
as described above) the shareholder was invested in shares of a Dean Witter 
Multi-Class Fund or in shares of a CDSC Fund (see "Purchase of Fund Shares"). 
In the case of exchanges of Class A shares which are subject to a CDSC, the 
holding period also includes the time (calculated as described above) the 
shareholder was invested in shares of a FSC Fund. However, in the case of 
shares exchanged into an Exchange Fund on or after April 23, 1990, upon a 
redemption of shares which results in a CDSC being imposed, a credit (not to 
exceed the amount of the CDSC) will be given in an amount equal to the 
Exchange Fund 12b-1 distribution fees incurred on or after that date which 
are attributable to those shares. (Exchange Fund 12b-1 distribution fees are 
described in the prospectuses for those funds.) Class B shares of the Fund 
acquired in exchange for Class B shares of another Dean Witter Multi-Class 
Fund or shares of a CDSC Fund having a different CDSC schedule than that of 
this Fund will be subject to the higher CDSC schedule, even if such shares 
are subsequently re-exchanged for shares of the fund with the lower CDSC 
schedule. 

   Additional Information Regarding Exchanges. 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 shoud 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. Also, the 
    

                               24           
<PAGE>
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 required by applicable regulatory 
agencies. Shareholders maintaining margin accounts with DWR or another 
Selected Broker-Dealer are referred to their account executive regarding 
restrictions on exchange of shares of the Fund pledged in their margin 
account. 

   
   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 of 
each Class of shares and other conditions imposed by each fund. In the case 
of a shareholder holding a share certificate or certificates, no exchanges 
may be made until all applicable share certificates have been received by the 
Transfer Agent and deposited in the shareholder's account. An exchange will 
be treated for federal income tax purposes as a redemption or repurchase of 
shares, on which the shareholder may realize a capital gain or loss. However, 
the ability to deduct capital losses on an exchange is limited in situations 
where there is an exchange of shares within ninety days after the shares are 
purchased. There are also limits on the deduction of losses after the payment 
of exempt-interest dividends for shares held for less than six months (see 
"Dividends, Distributions and Taxes"). The Exchange Privilege is only 
available in states where an exchange may legally be made. 
    

   If DWR or another Selected Broker-Dealer is the current dealer of record 
and its account numbers are part of the account information, shareholders may 
initiate an exchange of shares of the Fund for shares of any of the Dean 
Witter Funds (for which the Exchange Privilege is available) pursuant to this 
Exchange Privilege by contacting their DWR or other Selected Broker-Dealer 
account executive (no Exchange Privilege Authorization Form is required). 
Other shareholders (and those shareholders who are clients of DWR or another 
Selected Broker-Dealer but who wish to make exchanges directly by writing or 
telephoning the Transfer Agent) must complete and forward to the Transfer 
Agent an Exchange Privilege Authorization form, copies of which may be 
obtained from the Transfer Agent, to initiate an exchange. If the 
Authorization Form is used, exchanges may be made 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 Broker-Dealer 
account number (if any). Telephone instructions may also be recorded. If such 
procedures are not employed, the Fund may be liable for any losses due to 
unauthorized or fraudulent instructions. 

   Telephone exchange instructions will be accepted if received by the 
Transfer Agent between 9:00 a.m. and 4:00 p.m. New York time, on any day the 
New York Stock Exchange is open. Any shareholder wishing to make an exchange 
who has previously filed an Exchange Privilege Authorization Form and who is 
unable to reach the Fund by telephone should contact his or her DWR or other 
Selected Broker-Dealer account executive, if appropriate, or make a written 
exchange request (see "Redemptions and Repurchases"). 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 case with the Dean Witter Funds in 
the past. 

   For further information regarding the Exchange Privilege, shareholders 
should contact their DWR or other Selected Broker-Dealer account executive or 
the Transfer Agent. 

                               25           
<PAGE>
REDEMPTIONS AND REPURCHASES 
- ----------------------------------------------------------------------------- 

   
   Redemption. Shares of each Class of the Fund can be redeemed for cash at 
any time at the net asset value per share next determined less the amount of 
any applicable CDSC in the case of Class A, Class B or Class C shares (see 
"Purchase of Fund Shares"). If shares are held in a shareholder's account 
without a share certificate, a written request for redemption to the Fund's 
Transfer Agent at P.O. Box 983, Jersey City, NJ 07303 is required. If 
certificates are held by the shareholder, the shares may be redeemed by 
surrendering the certificates with a written request for redemption, along 
with any additional information required by the Transfer Agent. 

   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") after such 
repurchase order is received by DWR or other Selected Broker-Dealer reduced 
by any applicable CDSC. 

   The CDSC, if any, will be the only fee imposed by the Fund, the 
Distributor, DWR or other Selected Broker-Dealers. The offer by DWR and other 
Selected Broker-Dealers to repurchase shares from shareholders may be 
suspended 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 at times when normal trading is not taking place on the New York 
Stock Exchange. If the shares to be redeemed have recently been purchased by 
check, payment of the redemption proceeds may be delayed for the minimum time 
needed to verify that the check used for investment has been honored (not 
more than fifteen days from the time of receipt of the check by the Transfer 
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 share 
redeemed or repurchased and has not previously exercised this reinstatement 
privilege may, within 35 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 in the same Class from which such shares were redeemed 
or repurchased, at their net asset value next determined after a 
reinstatement request, together with the proceeds, is received by the 
Transfer Agent and receive a pro rata credit for any CDSC paid in connection 
with such redemption or repurchase. 

   Involuntary Redemption. The Fund reserves the right, on sixty days' 
notice, to redeem at net asset value the shares of any shareholder whose 
shares due to redemptions by the shareholder have a value of less than $100, 
or such lesser amount as may be fixed by the Board of Trustees or, in the 
case of an account opened through EasyInvest, if after twelve months the 
shareholder has invested less than $1,000 in the account. However, before the 
Fund redeems such shares and sends the proceeds to the shareholder, it will 
notify the shareholder that the value of the shares is less than the 
applicable amount and allow the shareholder sixty days to make an additional 
investment in an amount which will increase the value of the account to at 
least the applicable amount before the redemption is processed. No CDSC will 
be imposed on any involuntary redemption. 
    

                               26           
<PAGE>
DIVIDENDS, DISTRIBUTIONS AND TAXES 
- ----------------------------------------------------------------------------- 

   
   Dividends and Distributions. The Fund declares dividends separately for 
each Class from net investment income on each day the New York Stock Exchange 
is open for business to shareholders of record as of the close of business 
the preceding business day. The amount of such dividends may fluctuate from 
day to day. Such dividends are paid monthly. The Fund intends to distribute 
all of its net investment income on an annual basis. 
    

   The Fund will distribute at least once each year all net realized 
short-term capital gains in excess of any realized net long-term capital 
losses, if any. The Fund intends to distribute all of its realized net 
long-term capital gains, if any, in excess of any realized net short-term 
capital losses and any available net capital loss carryovers, at least once 
per fiscal year, although it may elect to retain all or part of such gains 
for reinvestment. Taxable capital gains may be generated by the sale of 
portfolio securities and by transactions in options and futures contracts 
engaged in by the Fund. 

   
   All dividends and any capital gains distributions will be paid in 
additional Fund shares of the same Class and automatically credited to the 
shareholder's account without issuance of a share certificate unless the 
shareholder requests in writing that all dividends be paid in cash. Shares 
acquired by dividend and distribution reinvestments will not be subject to 
any front-end sales charge or CDSC. Class B shares acquired through dividend 
and distribution reinvestments will become eligible for conversion to Class A 
shares on a pro rata basis. Distributions paid on Class A and Class D shares 
will be higher than for Class B and Class C shares because distribution fees 
paid by Class B and Class C shares are higher. (See "Shareholder 
Services--Automatic Investment of Dividends and Distributions.") Any 
dividends declared in the last quarter of any calendar year which are paid in 
the following calendar year prior to February 1 will be deemed received by 
the shareholder in the prior calendar year. 
    

   Taxes. Because the Fund intends to distribute all of its net investment 
income and capital gains to shareholders and intends to otherwise continue to 
qualify as a regulated investment company under Subchapter M of the Internal 
Revenue Code, it is not expected that the Fund will be required to pay any 
federal income tax. 

   The Fund intends to qualify to pay "exempt-interest dividends" to its 
shareholders by maintaining, as of the close of each quarter of its taxable 
year, at least 50% of the value of its total assets in tax-exempt securities. 
If the Fund satisfies such requirement, distributions from net investment 
income to shareholders, whether taken in cash or reinvested in additional 
shares, will be excludable from gross income for federal income tax purposes 
to the extent net investment income is represented by interest on tax-exempt 
securities. Exempt-interest dividends are included, however, in determining 
what portion, if any, of a person's Social Security benefits are subject to 
federal income tax. The Internal Revenue Code may subject interest received 
on certain otherwise tax-exempt securities to an alternative minimum tax. 
This alternative minimum tax may be incurred due to interest received on 
certain "private activity bonds" (in general, bonds that benefit 
non-government entities) issued after August 7, 1986 which, although 
tax-exempt, are used for purposes other than those generally performed by 
government units (e.g., bonds used for commercial or housing purposes). 
Income received on such bonds is classified as a "tax preference item," under 
the alternative minimum tax, for both individual and corporate investors. The 
Fund anticipates that a portion of its investments will be made in such 
"private activity bonds," with the result that a portion of the 
exempt-interest dividends paid by the Fund will be an item of tax preference 
to shareholders subject to the alternative minimum tax. In addition, certain 
corporations which are subject to the alternative minimum tax may also have 
to include exempt-interest dividends in calculating their alter- 

                               27           
<PAGE>
native minimum taxable income in situations where the "adjusted current 
earnings" of the corporation exceeds its alternative minimum taxable income. 

   Under the Revenue Reconciliation Act of 1993, all or a portion of the 
Fund's gain from the sale or redemption of tax-exempt obligations purchased 
at a market discount after April 30, 1993 will be treated as ordinary income 
rather than capital gain. This rule may increase the amount of ordinary 
income dividends received by shareholders. 

   Within sixty days after the end of its fiscal year, the Fund will mail to 
its shareholders a statement indicating the percentage of the dividend 
distributions for such fiscal year which constitutes exempt-interest 
dividends and the percentage, if any, that is taxable, and the percentage, if 
any, of the exempt-interest dividends which constitutes an item of tax 
preference. 

   Shareholders will normally be subject to federal income tax on dividends 
paid from interest income derived from taxable securities and on 
distributions of net short-term capital gains, if any. Distributions of 
long-term capital gains, if any, are taxable as long-term capital gains, 
regardless of how long the shareholder has held the Fund shares and 
regardless of whether the distribution is received in additional shares or in 
cash. To avoid being subject to a 31% federal backup withholding tax on 
taxable dividends, capital gains distributions and proceeds of redemptions or 
repurchases, shareholders' taxpayer identification numbers must be furnished 
and certified as to accuracy. 

   Any loss on the sale or exchange of shares of the Fund which are held for 
six months or less is disallowed to the extent of the amount of any 
exempt-interest dividend paid with respect to such shares. Treasury 
Regulations may provide for a reduction in such required holding periods. If 
a shareholder receives a distribution that is taxed as a long-term capital 
gain on shares held for six months or less and sells those shares at a loss, 
the loss will be treated as a long-term capital loss. 

   Interest on indebtedness incurred by shareholders to purchase or carry 
shares of an investment company paying exempt-interest dividends, such as the 
Fund, will not be deductible by the investor for federal income tax purposes. 

   The exemption of interest income for federal income tax purposes does not 
necessarily result in exemption under the income or other tax laws of any 
state or local taxing authority. Thus, shareholders of the Fund may be 
subject to state and local taxes on exempt-interest dividends. 

   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. 

   Shareholders should consult their tax advisers as to the applicability of 
the above to their own tax situation. 

PERFORMANCE INFORMATION 
- ----------------------------------------------------------------------------- 

   
   From time to time the Fund may quote its "yield" and/or its "total return" 
in advertisements and sales literature. These figures are computed separately 
for Class A, Class B, Class C and Class D shares. 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 each Class of the Fund 
is computed by dividing the Class's net investment income over a 30-day 
period by an average value (using the average number of shares entitled to 
receive dividends and the maximum offering price 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 Fund's yield for each Class. The Fund may also quote 
tax-equivalent yield, which is calculated by determining the pre-tax yield 
for each 
    
                               28           
<PAGE>
   
Class which, after being taxed at a stated rate, would be equivalent to the 
yield determined as described above. 

   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 of $1,000 over periods of one, five and ten 
years. 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 applicable Class and all sales charges incurred by shareholders, for 
the stated periods. It also assumes reinvestment of all dividends and 
distributions paid by the Fund. 

   In addition to the foregoing, the Fund may advertise its total return for 
each Class over different periods of time by means of aggregate, average, 
year-by-year or other types of total return figures. Such calculations may or 
may not reflect the imposition of any sales charge which, if reflected, would 
reduce the performance quoted. The Fund may also advertise the growth of 
hypothetical investments of $10,000, $50,000 or $100,000 in each Class of 
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.). 

   Prior to July 28, 1997 the Fund offered only one Class of shares. Because 
the distribution arrangement for Class A most closely resembles the 
distribution arrangement applicable prior to the implementation of multiple 
classes, historical performance information may be restated to reflect the 
current maximum sales charge applicable to Class A. In addition, because all 
shares of the Fund held prior to July 28, 1997 have been designated Class D 
shares, the Fund's historical performance may also be restated to reflect the 
absence of any sales charge in the case of Class D shares. 
    

ADDITIONAL INFORMATION 
- ----------------------------------------------------------------------------- 

   
   Voting Rights. All shares of beneficial interest of the Fund are of $.01 
par value and are equal as to earnings, assets and voting privileges except 
that each Class will have exclusive voting privileges with respect to matters 
relating to distribution expenses borne solely by such Class or any other 
matter in which the interests of one Class differ from the interests of any 
other Class. In addition, Class B shareholders will have the right to vote on 
any proposed material increase in Class A's expenses, if such proposal is 
submitted separately to Class A shareholders. Also, as discussed herein, 
Class A, Class B and Class C bear the expenses related to the distribution of 
their respective shares. 
    

   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 the 
obligations of the Fund. However, the Declaration of Trust contains an 
express disclaimer of shareholder liability for acts or obligations of the 
Fund, requires that Fund obligations include such disclaimer, and provides 
for indemnification and reimbursement of expenses out of the Fund's property 
for any share holder held personally liable for the obligations of the Fund. 
Thus, the risk of a shareholder incurring financial loss on account of 
shareholder liability is limited to circumstances in which the Fund itself 
would be unable to meet its obligations. Given the above limitations on 
shareholder personal liability and the nature of the Fund's assets and 
operations, the possibility of the Fund's being unable to meet its 
obligations is remote and, in the opinion of Massa- 

                               29           
<PAGE>
chusetts counsel to the Fund, the risk to Fund shareholders of personal 
liability is remote. 

   
   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 options transactions and profiting on 
short-term trading (that is, a purchase within sixty days of a sale or a sale 
within sixty days of a purchase) of a security. In addition, investment 
personnel may not purchase or sell a security for their personal account 
within thirty days before or after any transaction in any Dean Witter Fund 
managed by them. Any violations of the Code of Ethics are subject to 
sanctions, including reprimand, demotion or suspension or termination of 
employment. The Code of Ethics comports with regulatory requirements and the 
recommendations in the 1994 report by the Investment Company Institute 
Advisory Group on Personal Investing. 

   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. 

                               30           
<PAGE>
                       THE DEAN WITTER FAMILY OF FUNDS 

MONEY MARKET FUNDS 
Dean Witter Liquid Asset Fund Inc. 
Dean Witter Tax-Free Daily Income Trust 
Dean Witter U.S. Government Money Market Trust 
Dean Witter California Tax-Free Daily Income Trust 
Dean Witter New York Municipal Money Market Trust 

EQUITY FUNDS 
Dean Witter American Value Fund 
Dean Witter Natural Resource Development 
 Securities Inc. 
Dean Witter Dividend Growth Securities Inc. 
Dean Witter Developing Growth Securities Trust 
Dean Witter World Wide Investment Trust 
Dean Witter Value-Added Market Series 
Dean Witter Utilities Fund 
Dean Witter Capital Growth Securities 
Dean Witter European Growth Fund Inc. 
Dean Witter Pacific Growth Fund Inc. 
Dean Witter Precious Metals and Minerals Trust 
Dean Witter Health Sciences Trust 
Dean Witter Global Dividend Growth Securities 
Dean Witter Global Utilities Fund 
Dean Witter International SmallCap Fund 
Dean Witter Mid-Cap Growth Fund 
Dean Witter Balanced Growth Fund 
Dean Witter Capital Appreciation Fund 
Dean Witter Information Fund 
Dean Witter Japan Fund 
Dean Witter Income Builder Fund 
Dean Witter Special Value Fund 
Dean Witter Financial Services Trust 
Dean Witter Market Leader Trust 

ASSET ALLOCATION FUNDS 
Dean Witter Strategist Fund 
Dean Witter Global Asset Allocation Fund 

ACTIVE ASSETS ACCOUNT PROGRAM 
Active Assets Money Trust 
Active Assets Tax-Free Trust 
Active Assets California Tax-Free Trust 
Active Assets Government Securities Trust 

FIXED-INCOME FUNDS 
Dean Witter High Yield Securities Inc. 
Dean Witter Tax-Exempt Securities Trust 
Dean Witter U.S. Government Securities Trust 
Dean Witter Federal Securities Trust 
Dean Witter Convertible Securities Trust 
Dean Witter California Tax-Free Income Fund 
Dean Witter New York Tax-Free Income Fund 
Dean Witter World Wide Income Trust 
Dean Witter Intermediate Income Securities 
Dean Witter Global Short-Term Income Fund Inc. 
Dean Witter Multi-State Municipal Series Trust 
Dean Witter Short-Term U.S. Treasury Trust 
Dean Witter Diversified Income Trust 
Dean Witter Limited Term Municipal Trust 
Dean Witter Short-Term Bond Fund 
Dean Witter National Municipal Trust 
Dean Witter High Income Securities 
Dean Witter Balanced Income Fund 
Dean Witter Hawaii Municipal Trust 
Dean Witter Intermediate Term U.S. Treasury Trust 

DEAN WITTER RETIREMENT SERIES 
Liquid Asset Series 
U.S. Government Money Market Series 
U.S. Government Securities Series 
Intermediate Income Securities Series 
American Value Series 
Capital Growth Series 
Dividend Growth Series 
Stategist Series 
Utilities Series 
Value-Added Market Series 
Global Equity Series 

                                          
<PAGE>
DEAN WITTER 
TAX-EXEMPT SECURITIES TRUST 
Two World Trade Center 
New York, New York 10048 

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 

James F. Willison 
Vice President 

Joseph R. Arcieri 
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. 

DEAN WITTER 
TAX-EXEMPT 
SECURITIES 
TRUST 
   
                                                     PROSPECTUS--JULY 28, 1997 
    
<PAGE>

   
STATEMENT OF ADDITIONAL INFORMATION 
JULY 28, 1997 
    

                                                            DEAN WITTER 
                                                            TAX-EXEMPT 
                                                            SECURITIES 
                                                            TRUST 
- ----------------------------------------------------------------------------- 

   Dean Witter Tax-Exempt Securities Trust (the "Fund") is an open-end, 
diversified management investment company whose investment objective is to 
provide a high level of current income exempt from federal income tax, 
consistent with the preservation of capital. The Fund invests principally in 
tax-exempt fixed-income securities which are rated in the three highest 
categories by Moody's Investors Service, Inc. or Standard & Poor's 
Corporation. (See "Investment Practices and Policies.") 

   
   A Prospectus for the Fund dated July 28, 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 numbers 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 
Tax-Exempt Securities Trust 
Two World Trade Center 
New York, New York 10048 
(212) 392-2550 or 
(800) 869-NEWS (toll-free) 
<PAGE>
TABLE OF CONTENTS 
- ----------------------------------------------------------------------------- 

   
<TABLE>
<CAPTION>
<S>                                      <C>
 The Fund and its Management............  3 
Trustees and Officers..................   6 
Investment Practices and Policies .....  12 
Investment Restrictions................  18 
Portfolio Transactions and Brokerage ..  19 
The Distributor .......................  20 
Determination of Net Asset Value  .....  23 
Purchase of Fund Shares................  23 
Shareholder Services...................  26 
Redemptions and Repurchases............  30 
Dividends, Distributions and Taxes ....  31 
Performance Information................  32 
Description of Shares of the Fund .....  34 
Custodian and Transfer Agent...........  34 
Independent Accountants................  35 
Reports to Shareholders................  35 
Legal Counsel..........................  36 
Experts................................  36 
Registration Statement.................  36 
Financial Statements--December 31, 
 1996..................................  37 
Report of Independent Accountants .....  51 
Appendix...............................  52 
</TABLE>
    

                                2           
<PAGE>
THE FUND AND ITS MANAGEMENT 
- ----------------------------------------------------------------------------- 

THE FUND 

   The Fund was incorporated in the State of Maryland on December 31, 1979 
under the name InterCapital Tax-Exempt Securities Inc. On March 17, 1983, the 
Fund's shareholders approved a change in the Fund's name, effective March 21, 
1983, to Dean Witter Tax-Exempt Securities Inc. On April 30, 1987 the Fund 
reorganized as a Massachusetts business trust, with the name Dean Witter 
Tax-Exempt Securities Trust. 

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 investment 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 and research 
relating to the Fund's portfolio is conducted by or under the direction of 
officers of the Fund and of the Investment Manager, subject to periodic 
review by the Fund's Board of Trustees. Information as to these trustees and 
officers is contained under the caption "Trustees and Officers." 

   InterCapital is the investment manager or investment adviser of the 
following investment companies: Dean Witter Liquid Asset Fund Inc., 
InterCapital Income Securities Inc., InterCapital Insured Municipal Bond 
Trust, InterCapital Quality Municipal Investment Trust, InterCapital Insured 
Municipal Trust, InterCapital Quality Municipal Income Trust, InterCapital 
Insured Municipal Income Trust, InterCapital California Insured Municipal 
Income Trust, InterCapital Quality Municipal Securities, InterCapital 
California Quality Municipal Securities, InterCapital New York Quality 
Municipal Securities, InterCapital Insured Municipal Securities, InterCapital 
California Insured Municipal Securities, Dean Witter High Yield Securities 
Inc., Dean Witter Tax-Free Daily Income Trust, Dean Witter Developing Growth 
Securities Trust, Dean Witter Tax-Exempt Securities Trust, Dean Witter 
Natural Resource Development Securities Inc., Dean Witter Dividend Growth 
Securities Inc., Dean Witter American Value Fund, Dean Witter U.S. Government 
Money Market Trust, Dean Witter Variable Investment Series, Dean Witter World 
Wide Investment Trust, Dean Witter Select Municipal Reinvestment Fund, Dean 
Witter U.S. Government Securities Trust, Dean Witter California Tax-Free 
Income Fund, Dean Witter New York Tax-Free Income Fund, Dean Witter 
Convertible Securities Trust, Dean Witter Federal Securities Trust, Dean 
Witter Value-Added Market Series, High Income Advantage Trust, High Income 
Advantage Trust II, High Income Advantage Trust III, Dean Witter Government 
Income Trust, Dean Witter Utilities Fund, Dean Witter California Tax-Free 
Daily Income Trust, Dean Witter Strategist Fund, Dean Witter World Wide 
Income Trust, Dean Witter Intermediate Income Securities, Dean Witter New 
York Municipal Money Market Trust, Dean Witter Capital Growth Securities, 
Dean Witter European Growth Fund Inc., Dean Witter Precious Metals and 
Minerals Trust, Dean Witter Global Short-Term Income Fund Inc., Dean Witter 
Pacific Growth Fund Inc., Dean Witter Multi-State Municipal Series Trust, 
Dean Witter Short-Term U.S. Treasury Trust, Dean Witter Health Sciences 
Trust, Dean Witter Retirement Series, Dean Witter Limited Term Municipal 
Trust, Dean Witter Short-Term Bond Fund, Dean Witter Global Dividend Growth 
Securities, Dean Witter Global Utilities Fund, Dean Witter National Municipal 
Trust, Dean Witter High Income Securities, Dean Witter International Small 
Cap Fund, Dean Witter Mid-Cap Growth Fund, Dean Witter Select Dimensions 
Investment Series, Dean Witter Global Asset Allocation Fund, Dean Witter 
Balanced Growth Fund, Dean Witter Balanced Income Fund, Dean Witter Hawaii 
Municipal Trust, Dean Witter Capital Appreciation Fund, Dean Witter 
Intermediate Term U.S. Treasury Trust, Dean Witter Japan Fund, Dean Witter 
Income Builder Fund, Dean Witter Special Value Fund, Dean Witter Financial 
Services Trust, Dean Witter Market Leader Trust, Dean Witter Information 
Fund, Active Assets Money Trust, Active Assets Tax-Free Trust, Active Assets 
California Tax-Free Trust, Active Assets Government Securities Trust, 
Municipal Income Trust, Municipal Income Trust II, Municipal Income Trust 
III, Municipal Income Opportunities Trust, Municipal Income Opportunities 
Trust II, Municipal Income Opportunities 
    

                                3           
<PAGE>
Trust III, Prime Income Trust and 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: TCW/DW Core 
Equity Trust, TCW/DW North American Government Income Trust, TCW/DW Latin 
American Growth Fund, TCW/DW Income and Growth Fund, TCW/DW Small Cap Growth 
Fund, TCW/DW Balanced Fund, TCW/DW Total Return Trust, TCW/DW Mid-Cap Equity 
Trust, TCW/DW Global Telecom Trust, TCW/DW Strategic Income Trust, TCW/DW 
Emerging Market Opportunities Trust, TCW/DW Term Trust 2000, TCW/DW Term 
Trust 2002 and TCW/DW Term Trust 2003 (the "TCW/DW Funds"). InterCapital also 
serves as (i) administrator of The Black Rock 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 and policies. 

   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, bookkeeping and legal services as the Fund may 
reasonably require in the conduct of its business, including the preparation 
of prospectuses, proxy statements and reports required to be filed with 
federal and state securities commissions (except insofar as the participation 
or assistance of independent accountants and attorneys is, in the opinion of 
the Investment Manager, necessary or desirable). In addition, the Investment 
Manager pays the salaries of all personnel, including officers of the Fund, 
who are employees of the Investment Manager. The Investment Manager also 
bears the cost of telephone service, heat, light, power and other utilities 
provided to the Fund. 

   Effective December 31, 1993, pursuant to a Services Agreement between 
InterCapital and DWSC, 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 that 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. 

   
   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 "The 
Distributor"), will be paid by the Fund. These expenses will be allocated 
among the four classes of shares of the Fund (each, a "Class") pro rata based 
on the net assets of the Fund attributable to each Class, except as described 
below. The expenses borne by the Fund include, but are not limited to: 
expenses of the Plan of Distribution pursuant to Rule 12b-1 (the "12b-1 fee") 
(see "The Distributor"); charges and expenses of any registrar, custodian, 
stock transfer and dividend disbursing agent; brokerage commissions; taxes; 
engraving and printing share certificates; registration costs of the Fund and 
its shares under federal and state securities laws; the cost and expense of 
printing, including typesetting, and distributing Prospectuses 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 Funds or of the Investment Manager (not including compensation 
or 
    

                                4           
<PAGE>
   
expenses of attorneys who are employees of the Investment Manager) and 
independent accountants; membership dues of industry associations; interest 
on Fund borrowings; postage; insurance premiums on property or personnel 
(including officers and Trustees) of the Fund which inure to its benefit; 
extraordinary expenses (including, but not limited to, legal claims and 
liabilities and litigation costs and any indemnification relating thereto); 
and all other costs of the Fund's operation. The 12b-1 fees relating to a 
particular Class will be allocated directly to that Class. In addition, other 
expenses associated with a particular Class (except advisory or custodial 
fees) may be allocated directly to that Class, provided that such expenses 
are reasonably identified as specifically attributable to that Class and the 
direct allocation to that Class is approved by the Trustees. 
    

   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 
following annual rates to the net assets of the Fund determined as of the 
close of each business day: 0.50% of the portion of the daily net assets not 
exceeding $500 million; 0.425% of the portion of the daily net assets 
exceeding $500 million but not exceeding $750 million; 0.375% of the portion 
of the daily net assets exceeding $750 million but not exceeding $1 billion; 
0.35% of the portion of the daily net assets exceeding $1 billion but not 
exceeding $1.25 billion; and 0.325% of the portion of daily net assets 
exceeding $1.25 billion. For the fiscal years ended December 31, 1994, 1995 
and 1996, the Fund accrued to the Investment Manager total compensation of 
$6,003,589, $5,608,466 and $5,320,578, respectively. 

   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 Agreement was initially approved by the Board of 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 Board of Trustees on October 30, 1992 and by the shareholders of the Fund 
at a Special Meeting of Shareholders held on January 12, 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, as amended (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 in effect from year to year thereafter, provided 
continuance of the Agreement is approved at least annually by the vote of the 
holders of a majority (as defined in the Act) of the outstanding shares of 
the Fund, or by the Board of Trustees of the Fund; provided that in either 
event such continuance is approved annually by the vote of a majority of 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 company may use or, at any 
time, permit others to use, the name "Dean Witter." The Fund has also agreed 
that in the event the Agreement is terminated, or if the affiliation between 
InterCapital and its parent company is terminated, the Fund will eliminate 
the name "Dean Witter" from its name if DWR or its parent company shall so 
request. 
    

                                5           
<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/DW 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 the 
c/o Levitz Furniture Corporation             Dean Witter Funds; formerly President and Chief Executive Officer 
6111 Broken Sound Parkway, N.W.              of Hills Department Stores (May, 1991-July, 1995); formerly 
Boca Raton, Florida                          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 InterCapital, 
Trustee, Chairman, President and Chief       Distributors and DWSC; Executive Vice President and Director 
Executive Officer                            of DWR; Chairman, Director or Trustee, President and Chief 
Two World Trade Center                       Executive Officer of the Dean Witter Funds; Chairman, Chief 
New York, New York                           Executive Officer and 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 United 
Trustee                                      States Senator (R-Utah)(1974-1992) and Chairman, Senate Banking 
c/o Huntsman Corporation                     Committee (1980-1986); formerly Mayor of Salt Lake City, Utah 
500 Huntsman Way                             (1972-1974); formerly Astronaut, Space Shuttle Discovery (April 
Salt Lake City, Utah                         12-19, 1985); Vice Chairman, Huntsman Chemical 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 Committee 
Trustee                                      of the Independent Directors or Trustees and Director or Trustee 
Two World Trade Center                       of the Dean Witter Funds; Chairman of the Audit Committee and 
New York, New York                           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 Adviser (1964-1978); 
                                             Director of Washington National Corporation (insurance). 

                                6           
<PAGE>
  NAME, AGE, POSITION WITH FUND AND ADDRESS          PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS 
- -------------------------------------------- ---------------------------------------------------------- 
Wayne E. Hedien** (63)                       Retired; Director or Trustee of the Dean Witter Funds (commencing 
Trustee                                      on September 1, 1997); Director of The PMI Group, Inc. (private 
c/o Gordon Altman Butowsky                   mortgage insurance); Trustee and Vice Chairman of The Field 
    Weitzen Shalov & Wein                    Museum of Natural History; formerly associated with the Allstate 
Counsel to the Independent Trustees          Companies (1966-1994), most recently as Chairman of The Allstate 
114 West 47th Street                         Corporation (March, 1993-December, 1994) and Chairman and Chief 
New York, New York                           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 consulting 
Trustee                                      firm; Co-Chairman and a founder of the Group of Seven Council 
c/o Johnson Smick International, Inc.        (G7C), an international economic commission; Director or Trustee 
1133 Connecticut Avenue, N.W.                of the Dean Witter Funds; Trustee of the TCW/DW Funds; Director 
Washington, D.C.                             of NASDAQ (since June, 1995); Director of Greenwich Capital 
                                             Markets Inc. (broker-dealer); Trustee of the Financial Accounting 
                                             Foundation (oversight organization for the Financial Accounting 
                                             Standards Board); formerly Vice Chairman of the Board of Governors 
                                             of the Federal Reserve System (1986-1990) and Assistant Secretary 
                                             of the U.S. Treasury. 

Michael E. Nugent (61)                       General Partner, Triumph Capital, L.P., a private investment 
Trustee                                      partnership; Director or Trustee of the Dean Witter Funds; Trustee 
c/o Triumph Capital, L.P.                    of the TCW/DW Funds; formerly Vice President, Bankers Trust 
237 Park Avenue                              Company and BT Capital Corporation (1984-1988); Director of 
New York, New York                           various business organizations. 
Philip J. Purcell* (53)                      Chairman of the Board of Directors and Chief Executive Officer 
Trustee                                      of MSDWD, DWR and Novus Credit Services Inc.; Director of 
1585 Broadway                                InterCapital, DWSC and Distributors; Director or Trustee of 
New York, New York                           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 Utilities Company; 
c/o Gordon Altman Butowsky                   Formerly Executive Vice President and Chief Investment Officer 
 Weitzen Shalov & Wein                       of the Home Insurance Company (August, 1991-September, 1995). 
Counsel to the Independent Trustees 
114 West 47th Street 
New York, NY 

                                7           
<PAGE>
  NAME, AGE, POSITION WITH FUND AND ADDRESS          PRINCIPAL OCCUPATIONS DURING LAST FIVE YEARS 
- -------------------------------------------- ---------------------------------------------------------- 
Barry Fink (42)                              Senior Vice President (since March, 1997) and Secretary and 
Vice President, Secretary                    General Counsel (since February, 1997) of InterCapital and DWSC; 
 and General Counsel                         Senior Vice President (since March, 1997) and Assistant Secretary 
Two World Trade Center                       and Assistant General Counsel (since February, 1997) of 
New York, New York                           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 the TCW/DW Funds. 

James F. Willison (53)                       Senior Vice President of InterCapital; Vice President of various 
Vice President                               Dean Witter Funds. 
Two World Trade Center 
New York, New York 

Joseph R. Arcieri (48)                       Vice President of InterCapital; Vice President of various Dean 
Vice President                               Witter Funds. 
Two World Trade Center 
New York, New York 

Thomas F. Caloia (51)                        First Vice President and Assistant Treasurer of InterCapital 
Treasurer                                    and DWSC; Treasurer of the Dean Witter Funds and the TCW/DW 
Two World Trade Center                       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 
a 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, and 
Director of SPS Transaction Services, Inc. and various other MSDWD 
subsidiaries, Robert S. Giambrone, Senior Vice President of InterCapital, 
DWSC, Distributors and DWTC and a Director of DWTC, Joseph J. McAlinden, 
Executive Vice President and Chief Investment Officer of InterCapital and a 
Director of DWTC, Peter M. Avelar, and Jonathan R. Page, Senior Vice 
Presidents of InterCapital, Katherine H. Stromberg and Gerard J. Lian, Vice 
Presidents of InterCapital, are Vice Presidents of the Fund, and Marilyn K. 
Cranney, First Vice President and Assistant General Counsel of InterCapital, 
and DWSC, and Lou Anne D. McInnis, Carsten Otto and Ruth Rossi, Vice 
Presidents and Assistant General Counsels of InterCapital and DWSC, and Frank 
Bruttomesso, a Staff Attorney with InterCapital, are Assistant Secretaries of 
the Fund. 
    

THE BOARD OF TRUSTEES, THE INDEPENDENT TRUSTEES, AND THE COMMITTEES 

   
   The Board of Trustees currently 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 June 30, 1997, the Dean Witter 
Funds had total net assets of approximately $     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 
    

                                8           
<PAGE>
   
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 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, 

                                9           
<PAGE>
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 December 31, 1996. 

                              FUND COMPENSATION 

<TABLE>
<CAPTION>
                                AGGREGATE 
                              COMPENSATION 
NAME OF INDEPENDENT TRUSTEE   FROM THE FUND 
- --------------------------- --------------- 
<S>                         <C>
Michael Bozic ..............     $1,800 
Edwin J. Garn ..............      1,800 
John R. Haire ..............      3,900 
Dr. Manuel H. Johnson  .....      1,750 
Michael E. Nugent ..........      1,800 
John L. Schroeder...........      1,750 
</TABLE>

                               10           
<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 
                                                             CHAIRMAN OF 
                                                            COMMITTEES OF    FOR SERVICE AS 
                                                             INDEPENDENT      CHAIRMAN OF      TOTAL CASH 
                           FOR SERVICE                        DIRECTORS/     COMMITTEES OF    COMPENSATION 
                         AS DIRECTOR OR    FOR SERVICE AS    TRUSTEES AND     INDEPENDENT         PAID 
                           TRUSTEE AND      TRUSTEE AND         AUDIT           TRUSTEES     FOR SERVICES TO 
                        COMMITTEE MEMBER  COMMITTEE MEMBER COMMITTEES OF 82    AND AUDIT     82 DEAN WITTER 
NAME OF                 OF 82 DEAN WITTER   OF 14 TCW/DW     DEAN WITTER    COMMITTEES OF 14  FUNDS AND 14 
INDEPENDENT TRUSTEE           FUNDS            FUNDS            FUNDS         TCW/DW FUNDS    TCW/DW 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, 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. 

                               11           
<PAGE>
   The following table illustrates the retirement benefits accrued to the 
Fund's Independent Trustees by the Fund for the fiscal year ended December 
31, 1996 and by the 57 Dean Witter Funds (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 Fund as of 
December 31, 1996 and from the 57 Dean Witter Funds as of December 31, 1996. 

         RETIREMENT BENEFITS FROM THE FUND AND ALL DEAN WITTER FUNDS 

<TABLE>
<CAPTION>
                                 FOR ALL ADOPTING FUNDS 
                            ------------------------------- 
                                                                                    ESTIMATED ANNUAL 
                                                              RETIREMENT BENEFITS       BENEFITS 
                                                              ACCRUED AS EXPENSES  UPON RETIREMENT(2) 
                                                            --------------------- ------------------ 
                                ESTIMATED 
                                CREDITED 
                                  YEARS         ESTIMATED 
                              OF SERVICE AT   PERCENTAGE OF               BY ALL    FROM    FROM ALL 
                               RETIREMENT       ELIGIBLE       BY THE    ADOPTING    THE    ADOPTING 
NAME OF INDEPENDENT TRUSTEE   (MAXIMUM 10)    COMPENSATION      FUND      FUNDS     FUND     FUNDS 
- --------------------------- --------------- --------------- ---------- ---------- ------- ---------- 
<S>                         <C>             <C>             <C>        <C>        <C>     <C>
Michael Bozic ..............       10             50.0%        $ 338     $20,147   $  850   $ 51,325 
Edwin J. Garn ..............       10             50.0           473      27,772      850     51,325 
John R. Haire ..............       10             50.0          (376)(3)  46,952    2,304    129,550 
Dr. Manuel H. Johnson  .....       10             50.0           202      10,926      850     51,325 
Michael E. Nugent ..........       10             50.0           338      19,217      850     51,325 
John L. Schroeder...........        8             41.7           645      38,700      708     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. 
(3)    This number reflects the effect of the extension of Mr. Haire's term as 
       Trustee until June 1, 1998. 

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

PORTFOLIO SECURITIES 

   The payment of principal and interest by issuers of certain Municipal 
Bonds and Notes ("Municipal Obligations") purchased by the Fund may be 
guaranteed by letters of credit or other credit facilities offered by banks 
or other financial institutions. Such guarantees will be considered in 
determining whether a Municipal Obligation meets the Fund's investment 
quality requirements. In addition, some issues may contain provisions which 
permit the Fund to demand from the issuer repayment of principal at some 
specified period(s) prior to maturity. 

   Municipal Bonds. Municipal Bonds, as referred to in the Prospectus, are 
debt obligations of a state, its cities, municipalities and municipal 
agencies (all of which are generally referred to as "municipalities") which 
generally have a maturity at the time of issuance of one year or more, and 
the interest from which is, in the opinion of bond counsel, exempt from 
federal income tax. They are issued to raise funds for various public 
purposes, such as construction of a wide range of public facilities, to 
refund outstanding obligations and to obtain funds for general operating 
expenses or to loan to other public institutions and facilities. In addition, 
certain types of industrial development bonds and pollution control bonds are 
issued by or on behalf of public authorities to provide funding for various 
privately operated facilities. 

   Municipal Notes. Municipal Notes are short-term obligations of 
municipalities, generally with a maturity at the time of issuance ranging 
from six months to three years, the interest from which is, in the opinion of 
bond counsel, exempt from federal income tax. The principal types of 
Municipal Notes include tax anticipation notes, bond anticipation notes, 
revenue anticipation notes and project notes, although there are other types 
of Municipal Notes in which the Fund may invest. Notes sold in anticipation 
of collection of taxes, a bond sale or receipt of other revenues are usually 
general obligations of the issuing municipality or agency. Project Notes are 
issued by local agencies and are guaranteed by the United States Department 
of Housing and Urban Development. Such notes are secured by the full faith 
and credit of the United States Government. Project Notes are not currently 
being issued. 

                               12           
<PAGE>
   Municipal Commercial Paper. Municipal Commercial Paper refers to 
short-term obligations of municipalities the interest from which is, in the 
opinion of bond counsel, exempt from federal income tax, and which may be 
issued at a discount and is sometimes referred to as Short-Term Discount 
Notes. Municipal Commercial Paper is likely to be used to meet seasonal 
working capital needs of a municipality or interim construction financing and 
to be paid from general revenues of the municipality or refinanced with 
long-term debt. In most cases, Municipal Commercial Paper is backed by 
letters of credit, lending agreements, note repurchase agreements or other 
credit facility agreements offered by banks or other institutions. 

   Obligations of issuers of Municipal Bonds, Municipal Notes and Municipal 
Commercial Paper are subject to provisions of bankruptcy, insolvency and 
other laws affecting the rights and remedies of creditors, such as the 
Federal Bankruptcy Act, and laws, if any, which may be enacted by Congress or 
any state extending the time for payment of principal or interest, or both, 
or imposing other constraints upon enforcement of such obligations or upon 
municipalities to levy taxes. There is also the possibility that, as a result 
of litigation or other conditions, the power or ability of any one or more 
issuers to pay, when due, principal of and interest on its, or their, 
Municipal Bonds, Municipal Notes and Municipal Commercial Paper may be 
materially affected. 

   Special Investment Considerations. The percentage and rating policies in 
the Prospectus apply at the time of acquisition of a security based upon the 
last previous determination of the Fund's net asset value; any subsequent 
change in any ratings by a rating service or change in percentages resulting 
from market fluctuations or other changes in the amount of total assets will 
not require elimination of any security from the Fund's portfolio until such 
time as the Investment Manager determines that it is practicable to sell the 
security without undue market or tax consequences to the Fund. Therefore, the 
Fund may hold securities which have been downgraded to ratings of Ba or BB or 
lower by Moody's or S&P. Such securities are considered to be speculative 
investments. 

   Furthermore, the Fund does not have any minimum quality rating standard 
for its downgraded or lower-rated investments. As such, the Fund may invest 
in securities rated as low as Caa, Ca or C by Moody's or CCC, CC, C or CI by 
S&P. Bonds rated Caa or Ca by Moody's may already be in default on payment of 
interest or principal, while bonds rated C by Moody's, their lowest bond 
rating, can be regarded as having extremely poor prospects of ever attaining 
any real investment standing. Bonds rated CI by S&P, their lowest bond 
rating, are no longer making interest payments. 

   Because of the special nature of securities which are rated below 
investment grade by national credit rating agencies ("lower-rated 
securities"), the Investment Manager must take account of certain special 
considerations in assessing the risks associated with such investments. For 
example, as the lower rated securities market is relatively new, its growth 
has paralleled a long economic expansion and it has not weathered a recession 
in its present size and form. Therefore, an economic downturn or increase in 
interest rates is likely to have a negative effect on this market and on the 
value of the lower rated securities held by the Fund, as well as on the 
ability of the securities' issuers to repay principal and interest on their 
borrowings. 

   The prices of lower rated securities have been found to be less sensitive 
to changes in prevailing interest rates than higher rated investments, but 
are likely to be more sensitive to adverse economic changes or individual 
corporate developments. During an economic downturn or substantial period of 
rising interest rates, highly leveraged issuers may experience financial 
stress which would adversely affect their ability to service their principal 
and interest payment obligations, to meet their projected business goals or 
to obtain additional financing. If the issuer of a fixed-income security 
owned by the Fund defaults, the Fund may incur additional expenses to seek 
recovery. In addition, periods of economic uncertainty and change can be 
expected to result in an increased volatility of market prices of lower rated 
securities and a concomitant volatility in the net asset value of a share of 
the Fund. Moreover, the market prices of certain of the Fund's portfolio 
securities which are structured as zero coupon securities are affected to a 
greater extent by interest rate changes and thereby tend to be more volatile 
than securities which pay interest periodically and in cash (see "Dividends, 
Distributions and Taxes" for a discussion of the tax ramifications of 
investments in such securities). 

   The secondary market for lower rated securities may be less liquid than 
the markets for higher quality securities and, as such, may have an adverse 
effect on the market prices of certain securities. 

                               13           
<PAGE>
The limited liquidity of the market may also adversely affect the ability of 
the Fund's Trustees to arrive at a fair value for certain lower rated 
securities at certain times and should make it difficult for the Fund to sell 
certain securities. In addition, new laws and potential new laws may have an 
adverse effect upon the value of lower rated securities and a concomitant 
negative impact upon the net asset value of a share of the Fund. 

PORTFOLIO CHARACTERISTICS 

   
   Variable Rate Obligations. As stated in the Prospectus, the Fund may 
invest in obligations of the type called "variable rate obligations." 
    

   The interest rate payable on a variable rate obligation is adjusted either 
at predesignated periodic intervals or whenever there is a change in the 
market rate of interest on which the interest rate payable is based. Other 
features may include the right whereby the Fund may demand prepayment of the 
principal amount of the obligation prior to its stated maturity (a "demand 
feature") and the right of the issuer to prepay the principal amount prior to 
maturity. The principal benefit of a variable rate obligation is that the 
interest rate adjustment minimizes changes in the market value of the 
obligation. The principal benefit to the Fund of purchasing obligations with 
a demand feature is that liquidity, and the ability of the Fund to obtain 
repayment of the full principal amount of the obligation prior to maturity, 
is enhanced. 

   When-Issued and Delayed Delivery Securities. As stated in the Prospectus, 
the Fund may purchase tax-exempt securities on a when-issued or delayed 
delivery 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 or delayed delivery 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 a Municipal Obligation on a when-issued or delayed delivery basis, 
it will record the transaction and thereafter reflect the value, each day, of 
the Municipal Obligation in determining its net asset value. The Fund will 
also establish a segregated account with its custodian bank in which it will 
maintain cash, cash equivalents or other high quality Municipal Obligations 
equal in value to commitments for such when-issued or delayed delivery 
securities. The Fund does not believe that its net asset value or income will 
be adversely affected by its purchase of Municipal Obligations on a 
when-issued or delayed delivery basis. The Fund may sell securities on a 
when-issued or delayed delivery basis provided that the Fund owns the 
security at the time of the sale. 

   Repurchase Agreements. When cash may be available for only a few days, it 
may be invested by the Fund in repurchase agreements until such time as it 
may otherwise be invested or used for payments of obligations of the Fund. 
These agreements, which may be viewed as a type of secured lending by the 
Fund, typically involve the acquisition by the Fund of debt securities from a 
selling financial institution such as a bank, savings and loan association or 
broker-dealer. The agreement provides that the Fund will sell back to the 
institution, and that the institution will repurchase, the underlying 
security ("collateral"), which is held by the Fund's Custodian, at a 
specified price and at a fixed time in the future, usually not more than 
seven days from the date of purchase. The Fund will receive 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. While repurchase agreements involve 
certain risks not associated with direct investments in debt securities, the 
Fund follows procedures designed to minimize such risks. These procedures 
include effecting repurchase transactions only with large, well-capitalized 
and well-established financial institutions, whose financial condition will 
be continually monitored by the Investment Manager. In addition, the value of 
the collateral underlying the repurchase agreement will always be a 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. It is the current policy of 
the Fund not to invest in repurchase agreements that do not mature within 
seven days if any such investment, together with any other illiquid assets 
held by the Fund, amounts to more than 10% of its total assets. The Fund's 
investments in repurchase 

                               14           
<PAGE>
agreements may at times be substantial when, in the view of the Investment 
Manager, liquidity or other considerations warrant. However, the Fund did not 
enter into any repurchase agreements during its fiscal year ended December 
31, 1996 and it has no intention of entering into any such agreements in the 
foreseeable future. 

FUTURES CONTRACTS AND OPTIONS ON FUTURES 

   As discussed in the Prospectus, the Fund may invest in financial futures 
contracts ("futures contracts") and related options thereon. These futures 
contracts and related options thereon will be used only as a hedge against 
anticipated interest rate changes. A futures contract sale creates an 
obligation by the Fund, as seller, to deliver the specific type of instrument 
called for in the contract at a specified future time for a specified price. 
A futures contract purchase would create an obligation by the Fund, as 
purchaser, to take delivery of the specific type of financial instrument at a 
specified future time at a specified price. The specific securities delivered 
or taken, respectively, at settlement date, would not be determined until on 
or near that date. The determination would be in accordance with the rules of 
the exchange on which the futures contract sale or purchase was effected. 

   Although the terms of futures contracts specify actual delivery or receipt 
of securities, in most instances the contracts are closed out before the 
settlement date without the making or taking of delivery of the securities. 
Closing out of a futures contract is usually effected by entering into an 
offsetting transaction. An offsetting transaction for a futures contract sale 
is effected by the Fund entering into a futures contract purchase for the 
same aggregate amount of the specific type of financial instrument at the 
same delivery date. If the price in the sale exceeds the price in the 
offsetting purchase, the Fund is immediately paid the difference and thus 
realizes a gain. If the offsetting purchase price exceeds the sale price, the 
Fund pays the difference and realizes a loss. Similarly, the closing out of a 
futures contract purchase is effected by the Fund entering into a futures 
contract sale. If the offsetting sale price exceeds the purchase price the 
Fund realizes a gain, and if the offsetting sale price is less than the 
purchase price the Fund realizes a loss. 

   Unlike a futures contract, which requires the parties to buy and sell a 
security on a set date, an option on a futures contract entitles its holder 
to decide on or before a future date whether to enter into such a contract (a 
long position in the case of a call option and a short position in the case 
of a put option). If the holder decides not to enter into the contract, the 
premium paid for the contract is lost. Since the value of the option is fixed 
at the point of sale, there are no daily payments of cash to reflect the 
change in the value of the underlying contract, as discussed below for 
futures contracts. The value of the option changes is reflected in the net 
asset value of the Fund. 

   The Fund is required to maintain margin deposits with brokerage firms 
through which it effects futures contracts and options thereon. The initial 
margin requirements vary according to the type of the underlying security. 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. 

   Currently, 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, Certificates of the Government National Mortgage 
Association, Bank Certificates of Deposit and on a municipal bond index (see 
below). The Fund may invest in interest rate futures contracts covering these 
types of financial instruments as well as in new types of contracts that 
become available in the future. 

   Financial futures contracts are traded in an auction environment on the 
floors of several Exchanges--principally, the Chicago Board of Trade, the 
Chicago Mercantile Exchange and the New York Futures Exchange. Each Exchange 
guarantees performance under contract provisions through a clearing 
corporation, a nonprofit organization managed by the Exchange membership 
which is also responsible for handling daily accounting of deposits or 
withdrawals of margin. 

   A risk in employing futures contracts to protect against the price 
volatility of portfolio securities is that the prices of securities subject 
to futures contracts may correlate imperfectly with the behavior of the cash 
prices of the Fund's portfolio securities. The correlation may 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 

                               15           
<PAGE>
security price objective and their cost of borrowed funds. This would reduce 
the value of futures contracts for hedging purposes over a short time period. 
The correlation may be further distorted since the futures contracts that are 
being used to hedge are not based on municipal obligations. 

   Another risk is that the Fund's Investment Manager could be incorrect in 
its expectations as to the direction or extent of various interest rate 
movements or the time span within which the movements take place. For 
example, if the Fund sold futures contracts for the sale of securities in 
anticipation of an increase in interest rates, and then interest rates went 
down instead, causing bond prices to rise, the Fund would lose money on the 
sale. 

   Put and call options on financial futures have characteristics similar to 
Exchange traded options. For a further description of options, see below and 
the Prospectus. 

   In addition to the risks associated in investing in options on securities, 
there are particular risks associated with investing in options on futures. 
In particular, the ability to establish and close out positions on such 
options will be subject to the development and maintenance of a liquid 
secondary market. It is not certain that such a market will develop. 

   The Fund may not enter into futures contracts or related options theron 
if, immediately thereafter, the amount committed to margin plus the amount 
paid for option premiums exceeds 5% of the value of the Fund's total assets. 
In instances involving the purchase of futures contracts by the Fund, an 
amount equal to the market value of the futures contract will be deposited in 
a segregated account of cash and cash equivalents to collateralize the 
position and thereby ensure that the use of such futures is unleveraged. The 
Fund may not purchase or sell futures contracts or related options if, 
immediately thereafter, more than one-third of its net assets would be 
hedged. 

   Municipal Bond Index Futures--The Fund may utilize municipal bond index 
futures contracts and options thereon for hedging purposes. The Fund's 
strategies in employing such contracts will be similar to that discussed 
above with respect to financial futures and options thereon. A municipal bond 
index is a method of reflecting in a single number the market value of many 
different municipal bonds and is designed to be representative of the 
municipal bond market generally. The index fluctuates in response to changes 
in the market values of the bonds included within the index. Unlike futures 
contracts on particular financial instruments, futures contracts on a 
municipal bond index will be settled in cash if held until the close of 
trading in the contract. However, as in any other futures contract, a 
position in the contract may be closed out by purchase or sale of an 
offsetting contract for the same delivery month prior to expiration of the 
contract. 

   Options--The Fund may purchase or sell (write) options on debt securities 
as a means of achieving additional return or hedging the value of the Fund's 
portfolio. The Fund will only buy options listed on national securities 
exchanges. The Fund will not purchase options if, as a result, the aggregate 
cost of all outstanding options exceeds 10% of the Fund's total assets. 

   Presently there are no options on tax-exempt securities traded on national 
securities exchanges and until such time as they become available, the Fund 
will not invest in options on debt securities. 

   A call option is a contract that gives the holder of the option the right 
to buy from the writer of the call option, in return for a premium, the 
security underlying the option at a specified exercise price at any time 
during the term of the option. The writer of the call option has the 
obligation, upon exercise of the option, to deliver the underlying security 
upon payment of the exercise price during the option period. A put option is 
a contract that gives the holder of the option the right to sell to the 
writer, in return for a premium, the underlying security at a specified price 
during the term of the option. The writer of the put has the obligation to 
buy the underlying security upon exercise, at the exercise price during the 
option period. 

   The Fund will only write covered call or covered put options listed on 
national exchanges. The Fund may not write covered options in an amount 
exceeding 20% of the value of its total assets. A call option is "covered" if 
the Fund owns the underlying security covered by the call or has an absolute 
and immediate right to acquire that security or futures contract without 
additional cash consideration (or for additional cash consideration held in a 
segregated account by its custodian) upon conversion or exchange of other 
securities held in its portfolio. A call option is also covered if the Fund 
holds a call on the same security or futures contract as the call written, 
where the exercise price of the call held is (i) 

                               16           
<PAGE>
equal to or less than the exercise price of the call written or (ii) greater 
than the exercise price of the call written if the difference is maintained 
by the Fund in cash, Treasury bills or other liquid portfolio securities in a 
segregated account with its custodian. A put option is "covered" if the Fund 
maintains cash, Treasury bills or other high grade short-term obligations 
with a value equal to the exercise price in a segregated account with its 
custodian, or else holds a put on the same security or futures contract as 
the put written where the exercise price of the put held is equal to or 
greater than the exercise price of the put written. 

   If the Fund has written an option, it may terminate its obligation by 
effecting a closing purchase transaction. This 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. Similarly, if the Fund is the holder 
of an option, it may liquidate its position by effecting a closing sale 
transaction. This is accomplished by selling an option of the same series as 
the option previously purchased. There can be no assurance that either a 
closing purchase or sale transaction can be effected when the Fund so 
desires. 

   The Fund will realize a profit from a closing transaction if the price of 
the transaction is less than the premium received from writing the option or 
is more than the premium paid to purchase the option; the Fund will realize a 
loss from a closing transaction if the price of the transaction is more than 
the premium received from writing the option or is less than the premium paid 
to purchase the option. Since call option prices generally reflect increases 
in the price of the underlying security, any loss resulting from the purchase 
of a call option may also be wholly or partially offset by unrealized 
appreciation of the underlying security. If a put option written by the Fund 
is exercised, the Fund may incur a loss equal to the difference between the 
exercise price of the option and the sum of the sale price of the underlying 
security plus the premiums received from the sale of the option. Other 
principal factors affecting the market value of a put or a call option 
include supply and demand, interest rates, the current market price and price 
volatility of the underlying security and the time remaining until the 
expiration date. 

   An option position may be closed out only on an exchange which provides a 
secondary market for an option of the same series. Although the Fund will 
generally purchase or write only those options for which there appears to be 
an active secondary market, there is no assurance that a liquid secondary 
market on an exchange will exist for any particular option. In such event, it 
might not be possible to effect closing transactions in particular options, 
so that the Fund would have to exercise its options in order to realize any 
profit and would incur brokerage commissions upon the exercise of call 
options and upon the subsequent disposition of underlying securities for the 
exercise of put options. If the Fund as a covered call option writer is 
unable to effect a closing purchase transaction in a secondary market, it 
will not be able to sell the underlying security until the option expires or 
it delivers the underlying security upon exercise. 

PORTFOLIO MANAGEMENT 

   The Fund may engage in short-term trading consistent with its investment 
objective. Securities may be sold in anticipation of a market decline (a rise 
in interest rates) or purchased in anticipation of a market rise (a decline 
in interest rates). In addition, a security may be sold and another security 
of comparable equality purchased at approximately the same time to take 
advantage of what the Investment Manager believes to be a temporary disparity 
in the normal yield relationship between the two securities. These yield 
disparities may occur for reasons not directly related to the investment 
quality of particular issues or the general movement of interest rates, such 
as changes in the overall demand for, or supply of, various types of 
tax-exempt securities. 

   In general, purchases and sales may also be made to restructure the 
portfolio in terms of average maturity, quality, coupon yield, or 
diversification for any one or more of the following purposes: (a) to 
increase income, (b) to improve portfolio quality, (c) to minimize capital 
depreciation, (d) to realize gains or losses, or for such other reasons as 
the Investment Manager deems relevant in light of economic and market 
conditions. 

   The Fund may invest in obligations customarily sold to institutional 
investors in private transactions with the issuers thereof and up to 5% of 
its total assets in securities for which a bona fide market does not exist at 
the time of purchase. With respect to any securities as to which a bona fide 
market does not exist, the Fund may be unable to dispose of such securities 
promptly at reasonable prices. 

                               17           
<PAGE>
   The Fund does not generally intend to invest more than 25% of its total 
assets in securities of any one governmental unit or in the securities of 
governmental units located in any one state, territory or possession of the 
United States. Subject to investment restriction number 3 disclosed in the 
Prospectus under the Section "Investment Restrictions," the Fund may invest 
more than 25% of its total assets in industrial development and pollution 
control bonds (two kinds of tax-exempt Municipal Bonds). 

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, which 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% of the shares present at a 
meeting of shareholders, if the holders of more than 50% of the outstanding 
shares of the Fund are present or represented by proxy, or (b) more than 50% 
of the outstanding shares of the Fund. For purposes of the following 
restrictions: (a) an "issuer" of a security is the entity whose assets and 
revenues are committed to the payment of interest and principal on that 
particular security, provided that the guarantee of a security will be 
considered a separate security, and provided further that a guarantee of a 
security shall not be deemed to be a security issued by the guarantor if the 
value of all securities issued or guaranteed by the guarantor and owned by 
the Fund does not exceed 10% of the value of the total assets of the Fund; 
(b) a "taxable security" is any security the interest on which is subject to 
federal income tax; and (c) all percentage limitations apply immediately 
after a purchase or initial investment, and any subsequent change in any 
applicable percentage resulting from market fluctuations or other changes in 
the amount of total or net assets does not require elimination of any 
security from the portfolio. 

   The Fund may not: 

     1. Invest in common stock. 

     2. Invest in securities of any issuer if, to the knowledge of the Fund, 
    any officer or trustee/director of the Fund or of the Investment Manager 
    owns more than 1/2 of 1% of the outstanding securities of such issuer, and 
    such officers and trustees/directors who own more than 1/2 of 1% own in 
    the aggregate more than 5% of the outstanding securities of such issuer. 

     3. Purchase or sell real estate or interests therein, although it may 
    purchase securities secured by real estate or interests therein. 

     4. Purchase or sell commodities except that the Fund may purchase or sell 
    financial futures contracts and related options thereon. 

     5. Purchase oil, gas or other mineral leases, rights or royalty 
    contracts, or exploration or development programs. 

     6. Write, purchase or sell puts, calls, or combinations thereof, except 
    for options on futures contracts or options on debt securities. 

     7. Purchase securities of other investment companies, except in 
    connection with a merger, consolidation, reorganization or acquisition of 
    assets. 

     8. Borrow money, except that the Fund may borrow from a bank for 
    temporary or emergency purposes in amounts not exceeding 5% (taken at the 
    lower of cost or current value) of the value of its total assets (not 
    including the amount borrowed). 

     9. Pledge its assets or assign or otherwise encumber them except to 
    secure borrowing effected within the limitations set forth in Restriction 
    8. However, for the purpose of this restriction, collateral arrangements 
    with respect to the writing of options and collateral arrangements with 
    respect to initial margin for futures are not deemed to be pledges of 
    assets. 

     10. 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 agreement; (b) purchasing any securities on a 
    when-issued or delayed delivery basis; (c) purchasing or selling any 
    financial futures contracts; (d) borrowing money in accordance with 
    restrictions described above; or (e) lending portfolio securities. 

                               18           
<PAGE>
     11. Make loans of money or securities, except: (a) by the purchase of 
    debt obligations in which the Fund may invest consistent with its 
    investment objective and policies; and (b) by investment in repurchase 
    agreements. 

     12. Make short sales of securities. 

     13. Purchase securities on margin, except for such short-term loans as 
    are necessary for the clearance of purchases of portfolio securities. 

     14. 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. 

     15. Invest for the purpose of exercising control or management of any 
    other issuer. 

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

   Subject to the general supervision of the Board of Trustees, the 
Investment Manager is responsible for decisions to buy and sell securities 
and futures contracts 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 an "net" basis with 
dealers acting as principal for their own account 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. During the fiscal years ended December 31, 
1994, 1995 and 1996, the Fund paid no brokerage commissions. 

   
   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 opinions of the persons 
responsible for managing the portfolios of the Fund and other client 
accounts. In the case of certain initial and secondary public offerings, the 
Investment Manager 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 and 
futures contracts for its portfolio is that primary consideration will be 
given to obtaining the most favorable prices and efficient execution of 
transactions. Consistent with this policy, when securities transactions are 
effected on a stock exchange, the Fund's policy is to pay commissions which 
are considered fair and reasonable without necessarily determining that the 
lowest possible commissions are paid in all circumstances. The Fund believes 
that a requirement always to seek the lowest commission cost could impede 
effective portfolio management and preclude the Fund and the Investment 
Manager from obtaining a high quality of brokerage and research services. In 
seeking to determine the reasonableness of brokerage commissions paid in any 
transaction, the Investment Manager relies upon its experience and knowledge 
regarding commissions generally charged by various brokers and on its 
judgment in evaluating the brokerage and research services received from the 
broker effecting the transaction. Such determinations are necessarily 
subjective and imprecise, as in most cases an exact dollar value for those 
services is not ascertainable. 

                               19           
<PAGE>
   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 who are capable of 
providing efficient executions. If the Investment Manager believes such price 
and execution are obtainable from more than one broker or dealer, it may give 
consideration to placing portfolio transactions with those brokers and 
dealers who also furnish research and other services to the Fund or the 
Investment Manager. 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 all cases 
benefit the Fund directly. While the receipt of such information and services 
is useful in varying degrees and would generally reduce the amount of 
research or services otherwise performed by the Investment Manager and thus 
reduce its expenses, it is of indeterminable value and the management fee 
paid to the Investment Manager is not reduced 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 (not including 
Tax-Exempt Municipal Paper). Such transactions will be effected with DWR only 
when the price available from DWR is better than that available from other 
dealers. During the fiscal years ended December 31, 1994, 1995 and 1996, the 
Fund did not effect any principal transactions with DWR. 

   Consistent with the policy described above, brokerage transactions in 
securities listed on exchanges or admitted to unlisted trading privileges may 
be effected through DWR and other affiliated brokers and dealers. In order 
for an affiliated broker or dealer to effect portfolio transactions for the 
Fund, the commissions, fees or other remuneration received by the affiliated 
broker or dealer must be reasonable and fair compared to the commissions, 
fees or other remuneration paid to other brokers in connection with 
comparable transactions involving similar securities being purchased or sold 
on an exchange during a comparable period of time. This standard would allow 
the affiliated broker or dealer to receive no more than the remuneration 
which would be expected to be received by an unaffiliated broker in a 
commensurate arm's-length transaction. Furthermore, the Trustees 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 an affiliated broker or 
dealer are consistent with the foregoing standard. The Fund did not effect 
any securities transactions through any affiliated brokers or dealers during 
its fiscal years ended December 31, 1994, 1995 and 1996. 

THE DISTRIBUTOR 
- ----------------------------------------------------------------------------- 

   As discussed in the Prospectus, shares of the Fund are distributed by Dean 
Witter Distributors Inc. (the "Distributor"). The Distributor has entered 
into a selected dealer agreement with DWR, which through its own sales 
organization sells shares of the Fund. In addition, the Distributor may enter 
into selected dealer agreements with other selected broker-dealers. The 
Distributor, a Delaware corporation, is a wholly-owned subsidiary of MSDWD. 
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 June 30, 1997, the current Distribution Agreement appointing the 
Distributor as 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 will remain in effect from year to year thereafter if approved by the 
Board. 

   The Distributor bears 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 also pays certain expenses in connection 
with the distribution of the Fund's shares, including the costs of preparing, 
printing and distributing advertising or promotional materials, and the costs 
of printing and distributing prospectuses and 
    

                               20           
<PAGE>
   
supplements thereto used in connection with the offering and sale of the 
Fund's shares. The Fund bears the costs of initial typesetting, printing and 
distribution of prospectuses and supplements thereto to shareholders. The 
Fund also bears the costs of registering the Fund and its shares under 
federal securities laws and pays filing fees in accordance with state 
securities laws. The Fund and the Distributor have agreed to indemnify each 
other against certain liabilities, including liabilities under the Securities 
Act 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 losses sustained by the Fund or its shareholders. 

PLAN OF DISTRIBUTION 

   Effective July 28, 1997, the Fund has adopted a Plan of Distribution 
pursuant to Rule 12b-1 under the Act (the "Plan") pursuant to which each 
Class, other than Class D, pays the Distributor compensation accrued daily 
and payable monthly at the following annual rates: 0.25% and 0.70% of the 
average daily net assets of Class A and Class C, respectively, and, with 
respect to Class B, 0.60% of the average daily net assets of Class B. The 
Distributor also receives the proceeds of front-end sales charges and of 
contingent deferred sales charges imposed on certain redemptions of shares, 
which are separate and apart from payments made pursuant to the Plan (see 
"Purchase of Fund Shares" in the Prospectus). The Distributor has informed 
the Fund that it and/or DWR received front-end sales charges on sales of the 
Fund's shares in the approximate amounts of $2,276,000, $972,000 and 
$1,050,000 for the fiscal years ended December 31, 1994, 1995 and 1996, 
respectively. 

   The Distributor has informed the Fund that the entire fee payable by Class 
A and a portion of the fees payable by each of Class B and Class C each year 
pursuant to the Plan equal to 0.15% of the average daily net assets of Class 
B and 0.25% of the average daily net assets of Class C are currently each 
characterized as a "service fee" under the Rules of the Association of the 
National Association of Securities Dealers, Inc. (of which the Distributor is 
a member). The "service fee" is a payment made for personal service and/or 
the maintenance of shareholder accounts. The remaining portion of the Plan 
fees payable by a Class, if any, is characterized as an "asset-based sales 
charge" as such is defined by the aforementioned Rules of the Association. 

   The Plan was adopted by a majority vote of the Board of Trustees, 
including all of the Trustees of the Fund who are not "interested persons" of 
the Fund (as defined in the Act) and who have no direct or indirect financial 
interest in the operation of the Plan (the "Independent 12b-1 Trustees"), 
cast in person at a meeting called for the purpose of voting on the Plan, on 
June 30, 1997. 

   Under its terms, the Plan has an initial term ending April 30, 1998 and 
will continue from year to year thereafter, provided such continuance is 
approved annually by a vote of the Trustees in the manner described above. 

   Under the Plan and as required by Rule 12b-1, the Trustees receive and 
review promptly after the end of each calendar quarter a written report 
provided by the Distributor of the amounts expended under the Plan and the 
purpose for which such expenditures were made. 

   The Plan was adopted in order to permit the implementation of the Fund's 
method of distribution. Under this distribution method the Fund offers four 
Classes of shares, each with a different distribution arrangement as set 
forth in the Prospectus. 

   With respect to Class A shares, DWR compensates its account executives by 
paying them, from proceeds of the front-end sales charge, commissions for the 
sale of Class A shares, currently a gross sales credit of up to 4.0% of the 
amount sold (except as provided in the following sentence) and an annual 
residual commission, currently a residual of up to 0.15% of the current value 
of the respective accounts for which they are the account executives or 
dealers of record in all cases. On orders of $1 million or more (for which no 
sales charge was paid), the Investment Manager compensates DWR's account 
executives by paying them, from its own funds, a gross sales credit of 1.0% 
of the amount sold. 

   With respect to Class B shares, DWR compensates its account executives by 
paying them, from its own funds, commissions for the sale of Class B shares, 
currently a gross sales credit of up to 4.0% of the amount sold and an annual 
residual commission, currently a residual of up to 0.15% of the current value 
of the respective accounts for which they are the account executives of 
record. 
    

                               21           
<PAGE>
   
   With respect to Class C shares, DWR compensates its account executives by 
paying them, from its own funds, commissions for the sale of Class C shares, 
currently a gross sales credit of up to 1.0% of the amount sold and an annual 
residual commission, currently a residual of up to 0.70% of the current value 
of the respective accounts for which they are the account executives of 
record. 

   With respect to Class D shares other than shares held by participants in 
the InterCapital mutual fund asset allocation program, the Investment Manager 
compensates DWR's account executives by paying them, from its own funds, 
commissions for the sale of Class D shares, currently a gross sales credit of 
up to 1.0% of the amount sold. There is a chargeback of 100% of the amount 
paid if the Class D shares are redeemed in the first year and a chargeback of 
50% of the amount paid if the Class D shares are redeemed in the second year 
after purchase. The Investment Manager also compensates DWR's account 
executives by paying them, from its own funds, an annual residual commission, 
currently a residual of up to 0.10% of the current value of the respective 
accounts for which they are the account executives of record (not including 
accounts of participants in the InterCapital mutual fund asset allocation 
program). 

   The gross sales credit is a charge which reflects commissions paid by DWR 
to its account executives and DWR's Fund-associated distribution-related 
expenses, including sales compensation, and overhead and other branch office 
distribution-related expenses including (a) the expenses of operating DWR's 
branch offices in connection with the sale of Fund shares, including lease 
costs, the salaries and employee benefits of operations and sales support 
personnel, utility costs, communications costs and the costs of stationery 
and supplies, (b) the costs of client sales seminars, (c) travel expenses of 
mutual fund sales coordinators to promote the sale of Fund shares and (d) 
other expenses relating to branch promotion of Fund sales. The distribution 
fee that the Distributor receives from the Fund under the Plan, in effect, 
offsets distribution expenses incurred under the Plan on behalf of the Fund 
and, in the case of Class B shares, opportunity costs, such as the gross 
sales credit and an assumed interest charge thereon ("carrying charge"). In 
the Distributor's reporting of the distribution expenses to the Fund, in the 
case of Class B shares, such assumed interest (computed at the "broker's call 
rate") has been calculated on the gross credit as it is reduced by amounts 
received by the Distributor under the Plan and any contingent deferred sales 
charges received by the Distributor upon redemption of shares of the Fund. No 
other interest charge is included as a distribution expense in the 
Distributor's calculation of its distribution costs for this purpose. The 
broker's call rate is the interest rate charged to securities brokers on 
loans secured by exchange-listed securities. 

   The Fund is authorized to reimburse expenses incurred or to be incurred in 
promoting the distribution of the Fund's Class A and Class C shares and in 
servicing shareholder accounts. Reimbursement will be made through payments 
at the end of each month. The amount of each monthly payment may in no event 
exceed an amount equal to a payment at the annual rate of 0.25%, in the case 
of Class A, and 0.70%, in the case of Class C, of the average net assets of 
the respective Class during the month. No interest or other financing 
charges, if any, incurred on any distribution expenses on behalf of Class A 
and Class C will be reimbursable under the Plan. With respect to Class A, in 
the case of all expenses other than expenses representing the service fee, 
and, with respect to Class C, in the case of all expenses other than expenses 
representing a gross sales credit or a residual to account executives, such 
amounts shall be determined at the beginning of each calendar quarter by the 
Trustees, including, a majority of the Independent 12b-1 Trustees. Expenses 
representing the service fee (for Class A) or a gross sales credit or a 
residual to account executives (for Class C) may be reimbursed without prior 
determination. In the event that the Distributor proposes that monies shall 
be reimbursed for other than such expenses, then in making quarterly 
determinations of the amounts that may be reimbursed by the Fund, the 
Distributor will provide and the Trustees will review a quarterly budget of 
projected distribution expenses to be incurred on behalf of the Fund, 
together with a report explaining the purposes and anticipated benefits of 
incurring such expenses. The Trustees will determine which particular 
expenses, and the portions thereof, that may be borne by the Fund, and in 
making such a determination shall consider the scope of the Distributor's 
commitment to promoting the distribution of the Fund's Class A and Class C 
shares. 

   At any given time, the expenses of distributing shares of the Fund may be 
more or less than the total of (i) the payments made by the Fund pursuant to 
the Plan and (ii) the proceeds of contingent deferred sales charges paid by 
investors upon redemption of shares. Because there is no requirement under 
the 
    
                               22           
<PAGE>
   
Plan that the Distributor be reimbursed for all distribution expenses with 
respect to Class B shares or any requirement that the Plan be continued from 
year to year, this excess amount does not constitute a liability of the Fund. 
Although there is no legal obligation for the Fund to pay expenses incurred 
in excess of payments made to the Distributor under the Plan and the proceeds 
of contingent deferred sales charges paid by investors upon redemption of 
shares, if for any reason the Plan is terminated, the Trustees will consider 
at that time the manner in which to treat such expenses. Any cumulative 
expenses incurred, but not yet recovered through distribution fees or 
contingent deferred sales charges, may or may not be recovered through future 
distribution fees or contingent deferred sales charges. 

   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 
financial interest in the operation of the Plan except to the extent that the 
Distributor, InterCapital, DWR, DWSC or certain of their employees may be 
deemed to have such an interest as a result of benefits derived from the 
successful operation of the Plan or as a result of receiving a portion of the 
amounts expended thereunder by the Fund. 

   The Plan may not be amended to increase materially the amount to be spent 
for the services described therein without approval by the shareholders of 
the affected Class or Classes of the Fund, and all material amendments to the 
Plan must also be approved by the Trustees in the manner described above. The 
Plan may be terminated at any time, without payment of any penalty, by vote 
of a majority of the Independent 12b-1 Trustees or by a vote of a majority of 
the outstanding voting securities of the Fund (as defined in the Act) on not 
more than thirty days' written notice to any other party to the Plan. So long 
as the Plan is in effect, the election and nomination of Independent 12b-1 
Trustees shall be committed to the discretion of the Independent 12b-1 
Trustees. 

DETERMINATION OF NET ASSET VALUE 
- ----------------------------------------------------------------------------- 

   As discussed in the Prospectus, the net asset value per share for each 
Class of shares 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 p.m., at 
such earlier time), on each day that the New York Stock Exchange is open. 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. 
    

   Portfolio securities (other than short-term debt securities and futures 
and options) are valued for the Fund by an outside independent pricing 
service approved by the Board of Trustees. The pricing service has informed 
the Fund that in valuing the Fund's portfolio securities it uses both a 
computerized grid matrix of tax-exempt securities and evaluations by its 
staff, in each case based on information concerning market transactions and 
quotations from dealers which reflect the bid side of the market each day. 
The Fund's portfolio securities are thus valued by reference to a combination 
of transactions and quotations for the same or other securities believed to 
be comparable in quality, coupon, maturity, type of issue, call provisions, 
trading characteristics and other features deemed to be relevant. The Board 
of Trustees believes that timely and reliable market quotations are generally 
not readily available to the Fund for purposes of valuing tax-exempt 
securities and that the valuations supplied by the pricing service, using the 
procedures outlined above and subject to periodic review, are more likely to 
approximate the fair value of such securities. The Investment Manager will 
periodically review and evaluate the procedures, methods and quality of 
services provided by the pricing service then being used by the Fund and may, 
from time to time, recommend to the Board of Trustees the use of other 
pricing services or discontinuance of the use of any pricing service in whole 
or part. The Board may determine to approve such recommendation or take other 
provisions for pricing of the Fund's portfolio securities. 

   
PURCHASE OF FUND SHARES 
- ----------------------------------------------------------------------------- 

   As discussed in the Prospectus, the Fund offers four Classes of shares as 
follows: 

INITIAL SALES CHARGE ALTERNATIVE--CLASS A SHARES 

   Class A shares are sold to investors with an initial sales charge that 
declines to zero for larger purchases; however, Class A shares sold without 
an initial sales charge are subject to a contingent deferred sales charge 
("CDSC") of 1.0% if redeemed within one year of purchase, except in the 
circumstances discussed in the Prospectus. 
    

                               23           
<PAGE>
   
   Right of Accumulation. As discussed in the Prospectus, investors may 
combine the current value of shares purchased in separate transactions for 
purposes of benefitting from the reduced sales charges available for 
purchases of shares of the Fund totalling at least $25,000 in net asset 
value. For example, if any person or entity who qualifies for this privilege 
holds Class A shares of the Fund and/or other Dean Witter Funds that are 
multiple class funds ("Dean Witter Multi-Class Funds") or shares of other 
Dean Witter Funds sold with a front-end sales charge purchased at a price 
including a front-end sales charge having a current value of $5,000, and 
purchases $20,000 of additional shares of the Fund, the sales charge 
applicable to the $20,000 purchase would be 4.0% of the offering price. 

   The Distributor must be notified by the selected broker-dealer or the 
shareholder at the time a purchase order is placed that the purchase 
qualifies for the reduced charge under the Right of Accumulation. Similar 
notification must be made in writing by the selected broker-dealer or 
shareholder when such an order is placed by mail. The reduced sales charge 
will not be granted if: (a) such notification is not furnished at the time of 
the order; or (b) a review of the records of the Distributor or Dean Witter 
Trust Company (the "Transfer Agent") fails to confirm the investor's 
represented holdings. 

   Letter of Intent. As discussed in the Prospectus, reduced sales charges 
are available to investors who enter into a written Letter of Intent 
providing for the purchase, within a thirteen-month period, of Class A shares 
of the Fund from the Distributor or from a single Selected Broker-Dealer. 

   A Letter of Intent permits an investor to establish a total investment 
goal to be achieved by any number of purchases over a thirteen-month period. 
Each purchase of Class A shares made during the period will receive the 
reduced sales commission applicable to the amount represented by the goal, as 
if it were a single purchase. A number of shares equal in value to 5% of the 
dollar amount of the Letter of Intent will be held in escrow by the Transfer 
Agent, in the name of the shareholder. The initial purchase under a Letter of 
Intent must be equal to at least 5% of the stated investment goal. 

   The Letter of Intent does not obligate the investor to purchase, nor the 
Fund to sell, the indicated amount. In the event the Letter of Intent goal is 
not achieved within the thirteen-month period, the investor is required to 
pay the difference between the sales charge otherwise applicable to the 
purchases made during this period and sales charges actually paid. Such 
payment may be made directly to the Distributor or, if not paid, the 
Distributor is authorized by the shareholder to liquidate a sufficient number 
of his or her escrowed shares to obtain such difference. 

   If the goal is exceeded and purchases pass the next sales charge level, 
the sales charge on the entire amount of the purchase that results in passing 
that level and on subsequent purchases will be subject to further reduced 
sales charges in the same manner as set forth above under "Right of 
Accumulation," but there will be no retroactive reduction of sales charges on 
previous purchases. For the purpose of determining whether the investor is 
entitled to a further reduced sales charge applicable to purchases at or 
above a sales charge level which exceeds the stated goal of a Letter of 
Intent, the cumulative current net asset value of any shares owned by the 
investor in any other Dean Witter Funds held by the shareholder which were 
previously purchased at a price including a front-end sales charge (including 
shares of the Fund and other Dean Witter Funds acquired in exchange for those 
shares, and including in each case shares acquired through reinvestment of 
dividends and distributions) will be added to the cost or net asset value of 
shares of the Fund owned by the investor. However, shares of "Exchange Funds" 
(see "Shareholder Services--Exchange Privilege") and the purchase of shares 
of other Dean Witter Funds will not be included in determining whether the 
stated goal of a Letter of Intent has been reached. 

   At any time while a Letter of Intent is in effect, a shareholder may, by 
written notice to the Distributor, increase the amount of the stated goal. In 
that event, only shares purchased during the previous 90-day period and still 
owned by the shareholder will be included in the new sales charge reduction. 
The 5% escrow and minimum purchase requirements will be applicable to the new 
stated goal. Investors electing to purchase shares of the Fund pursuant to a 
Letter of Intent should carefully read such Letter of Intent. 

CONTINGENT DEFERRED SALES CHARGE ALTERNATIVE--CLASS B SHARES 

   Class B shares are sold without an initial sales charge but are subject to 
a CDSC payable upon most redemptions within six years after purchase. As 
stated in the Prospectus, a CDSC will be imposed on any redemption by an 
investor if after such redemption the current value of the investor's Class B 
shares of 
    

                               24           
<PAGE>
   
the Fund is less than the dollar amount of all payments by the shareholder 
for the purchase of Class B shares during the preceding six years. However, 
no CDSC will be imposed to the extent that the net asset value of the shares 
redeemed does not exceed: (a) the current net asset value of shares purchased 
more than six years prior to the redemption, plus (b) the current net asset 
value of shares purchased through reinvestment of dividends or distributions 
of the Fund or another Dean Witter Fund (see "Shareholder Services--Targeted 
Dividends"), plus (c) the current net asset value of shares acquired in 
exchange for (i) shares of Dean Witter front-end sales charge funds, or (ii) 
shares of other Dean Witter Funds for which shares of front-end sales charge 
funds have been exchanged (see "Shareholder Services--Exchange Privilege"), 
plus (d) increases in the net asset value of the investor's shares above the 
total amount of payments for the purchase of Fund shares made during the 
preceding six years. The CDSC will be paid to the Distributor. 

   In determining the applicability of the CDSC to each redemption, the 
amount which represents an increase in the net asset value of the investor's 
shares above the amount of the total payments for the purchase of shares 
within the last six years will be redeemed first. In the event the redemption 
amount exceeds such increase in value, the next portion of the amount 
redeemed will be the amount which represents the net asset value of the 
investor's shares purchased more than six years prior to the redemption 
and/or shares purchased through reinvestment of dividends or distributions 
and/or shares acquired in exchange for shares of Dean Witter front-end sales 
charge funds, or for shares of other Dean Witter funds for which shares of 
front-end sales charge funds have been exchanged. A portion of the amount 
redeemed which exceeds an amount which represents both such increase in value 
and the value of shares purchased more than six years prior to the redemption 
and/or shares purchased through reinvestment of dividends or distributions 
and/or shares acquired in the above-described exchanges will be subject to a 
CDSC. 

   The amount of the CDSC, if any, will vary depending on the number of years 
from the time of payment for the purchase of Class B shares of the Fund until 
the time of redemption of such shares. For purposes of determining the number 
of years from the time of any payment for the purchase of shares, all 
payments made during a month will be aggregated and deemed to have been made 
on the last day of the month. The following table sets forth the rates of the 
CDSC applicable to Class B shares of the Fund: 
    

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

</TABLE>
    

   
   In determining the rate of the CDSC, it will be assumed that a redemption 
is made of shares held by the investor for the longest period of time within 
the applicable six-year period. This will result in any such CDSC being 
imposed at the lowest possible rate. The CDSC will be imposed, in accordance 
with the table shown above, on any redemptions within six years of purchase 
which are in excess of these amounts and which redemptions do not qualify for 
waiver of the CDSC, as described in the Prospectus. 

LEVEL LOAD ALTERNATIVE--CLASS C SHARES 

   Class C shares are sold without a sales charge but are subject to a CDSC 
of 1.0% on most redemptions made within one year after purchase, except in 
the circumstances discussed in the Prospectus. 

NO LOAD ALTERNATIVE--CLASS D SHARES 

   Class D shares are offered without any sales charge on purchase or 
redemption. Class D shares are offered only to those persons meeting the 
qualifications set forth in the Prospectus. 
    

                               25           
<PAGE>
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 
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 
shareholder will be mailed a confirmation of the transaction from the Fund or 
DWR or other selected broker-dealer. 

   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 applicable Class 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 applicable Class of the Fund (or in cash if 
the shareholder so requests) as of the close of business on the monthly 
payment date, as stated in the Prospectus. 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 payment date 
of the dividend or the record date of the 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. (Service Mark)  In states where it is legally 
permissible, shareholders may also have all income dividends and capital 
gains distributions automatically invested in shares of any Class of an 
open-end Dean Witter Fund other than Dean Witter Tax-Exempt Securities Trust 
or in another Class of Dean Witter Tax-Exempt Securities Trust. Such 
investment will be made as described above for automatic investment in shares 
of the applicable Class 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 selected Class 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. (Service Mark)  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 or following 
redemption of shares of a Dean Witter money market fund, 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. 

   Investment of Dividends or Distributions Received in Cash. Any shareholder 
who receives a cash payment representing a dividend or capital gains 
distribution may invest such dividend or distribution in shares of the 
applicable Class at net asset value, without the imposition of a CDSC upon 
redemption, by returning the check or the proceeds to the Transfer Agent 
within thirty 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 proceeds by the Transfer 
Agent. 
    

                               26           
<PAGE>
   
   Systematic Withdrawal Plan. As discussed in the Prospectus, 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 
their current net asset value. 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. Any applicable CDSC will be imposed on shares redeemed under the 
Withdrawal Plan (see "Purchase of Fund Shares"). Therefore, any shareholder 
participating in the Withdrawal Plan will have sufficient shares redeemed 
from his or her account so that the proceeds (net of any applicable CDSC) to 
the shareholder will be the designated monthly or quarterly amount. 

   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 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, or amounts credited to a shareholder's DWR or other selected 
broker-dealer brokerage account, within five days after the date of 
redemption. The Withdrawal Plan may be terminated at any time by the Fund. 

   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 tax purposes. Although the 
shareholder may make additional investments of $2,500 or more under the 
Withdrawal Plan, withdrawals made concurrently with purchases of additional 
shares may be inadvisable because of sales charges which may be applicable to 
purchases or redemptions of shares (see "Purchase of Fund Shares"). 

   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. In addition, the party and/or the address 
to which checks are mailed may be changed by written notification to the 
Transfer Agent, with signature guarantees required in the manner described 
above. The shareholder may also terminate the 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 regular shareholder investment account. The 
shareholder may also redeem all or part of the shares held in the Withdrawal 
Plan account (see "Redemptions and Repurchases" in the Prospectus) at any 
time. 

   Direct Investments through Transfer Agent. As discussed in the Prospectus, 
shareholders may make additional investments in any Class of shares of the 
Fund for which they qualify at any time by sending a check in any amount, not 
less than $100, payable to Dean Witter Tax-Exempt Securities Trust, and 
indicating the selected Class, directly to the Fund's Transfer Agent. In the 
case of Class A shares, after deduction of any applicable sales charge, the 
balance will be applied to the purchase of Fund shares, and, in the case of 
shares of the other Classes, the entire amount will be applied to the 
purchase of Fund shares, 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, the Fund makes available to its 
shareholders an Exchange Privilege whereby shareholders of each Class of 
shares of the Fund may exchange their shares for shares of the same Class of 
shares of any other Dean Witter Multi-Class Fund without the imposition of 
any exchange fee. Shares may also be exchanged for shares of any of the 
following funds: Dean Witter Short-Term U.S. Treasury Trust, Dean Witter 
Limited Term Municipal Trust, Dean Witter Short-Term Bond 
    

                               27           
<PAGE>
   
Fund, Dean Witter Intermediate Term U.S. Treasury Trust and five Dean Witter 
Funds which are money market funds (the foregoing nine funds are hereinafter 
referred to as the "Exchange Funds"). Class A shares may also be exchanged 
for shares of Dean Witter Multi-State Municipal Series Trust and Dean Witter 
Hawaii Municipal Trust, which are Dean Witter Funds sold with a front-end 
sales charge ("FSC Funds"). Class B shares may also be exchanged for shares 
of Dean Witter Global Short-Term Income Fund Inc., Dean Witter High Income 
Securities and Dean Witter National Municipal Trust, which are Dean Witter 
Funds offered with a CDSC ("CDSC Funds"). Exchanges may be made after the 
shares of the Fund acquired by purchase (not by exchange or dividend 
reinvestment) have been held for thirty days. There is no waiting period for 
exchanges of shares acquired by exchange or dividend reinvestment. An 
exchange will be treated for federal income tax purposes the same as a 
repurchase or redemption of shares, on which the shareholder may realize a 
capital gain or loss. 

   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.) 

   As described below, and in the Prospectus under the caption "Purchase of 
Fund Shares," a CDSC may be imposed upon a redemption, depending on a number 
of factors, including the number of years from the time of purchase until the 
time of redemption or exchange ("holding period"). When shares of a Dean 
Witter Multi-Class Fund or any CDSC Fund are exchanged for shares of an 
Exchange Fund, 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 Fund (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 
Dean Witter Multi-Class Fund or in a CDSC Fund. However, in the case of 
shares exchanged into an Exchange Fund on or after April 23, 1990, upon a 
redemption of shares which results in a CDSC being imposed, a credit (not to 
exceed the amount of the CDSC) will be given in an amount equal to the 
Exchange Fund 12b-1 distribution fees incurred on or after that date which 
are attributable to those shares. Shareholders acquiring shares of an 
Exchange Fund pursuant to this exchange privilege may exchange those shares 
back into a Dean Witter Multi-Class Fund or a CDSC Fund from the Exchange 
Fund, 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 Dean Witter 
Multi-Class Fund or of a CDSC Fund are reacquired. A CDSC is imposed only 
upon an ultimate redemption, based upon the time (calculated as described 
above) the shareholder was invested in a Dean Witter Multi-Class Fund or in a 
CDSC Fund. In the case of exchanges of Class A shares which are subject to a 
CDSC, the holding period also includes the time (calculated as described 
above) the shareholder was invested in a FSC Fund. 

   When shares initially purchased in a Dean Witter Multi-Class Fund or in a 
CDSC Fund are exchanged for shares of a Dean Witter Multi-Class Fund, shares 
of a CDSC Fund, shares of a FSC Fund, or 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 one, 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 FSC Funds, or for shares of other Dean 
Witter Funds for which shares of FSC Funds have been exchanged (all such 
shares called "Free Shares"), will be exchanged first. After an exchange, all 
dividends earned on shares in an Exchange 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, with respect to Class B shares, if 
shares held for identical periods of time but subject to different CDSC 
    
                               28           
<PAGE>
   
schedules are held in the same Exchange Privilege account, the shares of that 
block that are subject to a 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-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 pro rata 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 Prospectus under the caption "Purchase of Fund 
Shares," 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 the redemption or repurchase of shares of the Fund, the 
application of proceeds to the purchase of new shares in the Fund or any 
other of the funds and the general administration of the Exchange Privilege, 
the Transfer Agent acts as agent for the Distributor and for the 
shareholder's selected broker-dealer, if any, in the performance of such 
functions. With respect to exchanges, redemptions or repurchases, the 
Transfer Agent shall be liable for its own negligence and not for the default 
or negligence of its correspondents or for losses in transit. The Fund shall 
not be liable for any default or negligence of the Transfer Agent, the 
Distributor or any 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 for the 
Exchange Privilege account of each Class 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 for the 
Exchange Privilege account of each Class is $10,000 for Dean Witter 
Short-Term U.S. Treasury Trust, although that fund may, at its discretion, 
accept initial investments of as low as $5,000. The minimum initial 
investment for the Exchange Privilege account of each Class is $5,000 for 
Dean Witter Special Value Fund. The minimum initial investment for the 
Exchange Privilege account of each Class of 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 haved 
acquired their shares directly from that fund. As a result, certain services 
normally available to shareholders of those 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 the 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 
    

                               29           
<PAGE>
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(s), policies and restrictions. 

   For further information regarding the Exchange Privilege, shareholders 
should contact their DWR or other selected broker-dealer account executive or 
the Transfer Agent. 

REDEMPTIONS AND REPURCHASES 
- ----------------------------------------------------------------------------- 

   
   Redemption. As stated in the Prospectus, shares of each Class of the Fund 
can be redeemed for cash at any time at the net asset value per share next 
determined; however, such redemption proceeds will be reduced by the amount 
of any applicable CDSC. If shares are held in a shareholder's account without 
a share certificate, a written request for redemption to the Fund's Transfer 
Agent at P.O. Box 983, Jersey City, NJ 07303 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, which will redeem the shares at 
their net asset value next computed (see "Purchase of Fund Shares" in the 
Prospectus) after it receives the request, and certificate, if any, in good 
order. Any redemption request received after such computation will be 
redeemed at the next determined net asset value. 

   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 or a selected broker-dealer for the account of 
the shareholder), partnership, trust or fiduciary, or sent to the shareholder 
at an address other than the registered address, signatures 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 stock 
power may be obtained from any dealer or commercial bank. The Fund may change 
the signature guarantee requirements from time to time upon notice to 
shareholders, which may be by means of a new prospectus. 

   Repurchase. As stated in the Prospectus, 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 computed after 
such purchase order is received by DWR or other selected broker-dealer 
reduced by any applicable CDSC. 

   Payment for Shares Redeemed or Repurchased. As discussed in the 
Prospectus, payment for shares of any Class 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 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. If the shares to be 
redeemed have recently been purchased by check (including a certified or bank 
cashier's check), payment of redemption proceeds may be delayed for the 
minimum time needed to verify that the check used for investment has 
    

                               30           
<PAGE>
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. 

   
   Transfers of Shares. In the event a shareholder requests a transfer of any 
shares to a new registration, such shares will be transferred without sales 
charge at the time of transfer. With regard to the status of shares which are 
either subject to the CDSC or free of such charge (and with regard to the 
length of time shares subject to the charge have been held), any transfer 
involving less than all the shares in an account will be made on a pro rata 
basis (that is, by transferring shares in the same proportion that the 
transferred shares bear to the total shares in the account immediately prior 
to the transfer). The transferred shares will continue to be subject to any 
applicable CDSC as if they had not been so transferred. 

   Reinstatement Privilege. As described 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 35 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 in the same Class at the 
net asset value next determined after a reinstatement request, together with 
such proceeds, is received by the Transfer Agent. 

   Exercise of the reinstatement privilege will not affect the federal 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, 
depending on the amount reinstated, will not be allowed as a deduction for 
federal income tax purposes but will be applied to adjust the cost basis of 
the shares acquired upon reinstatement. 
    

DIVIDENDS, DISTRIBUTIONS AND TAXES 
- ----------------------------------------------------------------------------- 

   Each shareholder will receive at least a quarterly summary of his or her 
account, including information as to reinvested dividends and capital gains 
distributions. Share certificates for dividends or distributions will not be 
issued unless a shareholder requests in writing that a certificate be issued 
for a specific number of shares. 

   In computing net investment income, the Fund will amortize any premiums 
and original issue discounts on securities owned, if applicable. Capital 
gains or losses realized upon sale or maturity of such securities will be 
based on their amortized cost. 

   Gains or losses on the sales of securities by the Fund will 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 short-term capital gains or losses. 

   The Fund has qualified and intends to remain qualified as a regulated 
investment company under Subchapter M of the Internal Revenue Code. If so 
qualified, the Fund will not be subject to federal income tax on its net 
investment income and capital gains, if any, realized during any fiscal year 
to the extent that it distributes such income and capital gains to its 
shareholders. 

   With respect to the Fund's investments in zero coupon bonds, the Fund 
accrues income prior to any actual cash payments by their issuers. In order 
to continue to comply with Subchapter M of the Internal Revenue Code and 
remain able to forego payment of federal income tax on its income and capital 
gains, the Fund must distribute all of its net investment income, including 
income accrued from zero coupon bonds. As such, the Fund may be required to 
dispose of some of its portfolio securities under disadvantageous 
circumstances to generate the cash required for distribution. 

   As discussed in the Prospectus, the Fund intends to qualify to pay 
"exempt-interest dividends" to its shareholders by maintaining, as of the 
close of each of its taxable years, at least 50% of the value of its assets 
in tax-exempt securities. An exempt-interest dividend is that part of the 
dividend distributions made by the Fund which consists of interest received 
by the Fund on tax-exempt securities upon which the shareholder incurs no 
federal income taxes. Exempt-interest dividends are included however, in 
determining what portion, if any, of a person's Social Security benefits are 
subject to federal income tax. 

                               31           
<PAGE>
   As also discussed in the Prospectus, the Fund intends to invest a portion 
of its assets in certain "private activity bonds" issued after August 7, 
1986. As a result, a portion of the exempt-interest dividends paid by the 
Fund will be an item of tax preference to shareholders subject to the 
alternative minimum tax. Certain corporations which are subject to the 
alternative minimum tax may also have to include exempt-interest dividends in 
calculating their alternative minimum taxable income in situations where the 
"adjusted current earnings" of the corporation exceeds its alternative 
minimum taxable income. 

   Within sixty days after the end of its fiscal year, the Fund will mail to 
shareholders a statement indicating the percentage of the dividend 
distributions for each fiscal year which constitutes exempt-interest 
dividends, the percentage, if any, that is taxable, and the percentage, if 
any, of the exempt-interest dividends which constitutes an item of tax 
preference, and to what extent the taxable portion is long-term capital gain, 
short-term capital gain or ordinary income. This percentage should be applied 
uniformly to all monthly distributions made during the fiscal year to 
determine the proportion of dividends that is tax-exempt. The percentage may 
differ from the percentage of tax-exempt dividend distributions for any 
particular month. 

   Shareholders will be subject to federal income tax on dividends paid from 
interest income derived from taxable securities and on distributions of net 
short-term capital gains. Such dividends and distributions are taxable to the 
shareholder as ordinary dividend income regardless of whether the shareholder 
receives such distributions in additional shares or in cash. Distributions of 
long-term capital gains, if any, are taxable as long-term capital gains, 
regardless of how long the shareholder has held the Fund shares and 
regardless of whether the distribution is received in additional shares or in 
cash. Since the Fund's income is expected to be derived entirely from 
interest rather than dividends, it is anticipated that no portion of such 
dividend distributions will be eligible for the federal dividends received 
deduction available to corporations. 

   Interest on indebtedness incurred by shareholders to purchase or carry 
shares of the Fund is not deductible. Furthermore, entities or persons who 
are "substantial users" (or related persons) of facilities financed by 
industrial development bonds should consult their tax advisers before 
purchasing shares of the Fund. "Substantial user" is defined generally by 
Income Tax Regulation 1.103-11(b) as including a "non-exempt person" who 
regularly uses in a trade or business a part of a facility financed from the 
proceeds of industrial development bonds. 

   From time to time, proposals have been introduced before Congress for the 
purpose of restricting or eliminating the federal income tax exemption for 
interest on municipal securities. Similar proposals may be introduced in the 
future. If such a proposal were enacted, the availability of municipal 
securities for investment by the Fund could be affected. In that event, the 
Fund would re-evaluate its investment objective and policies. 

   Any dividends or capital gains distributions received by a shareholder 
from any investment company will have the effect of reducing the net asset 
value of the shareholder's shares in that fund by the exact amount of the 
dividend or capital gains distribution. Furthermore, capital gains 
distributions are, and some portion of the dividends may be, subject to 
income tax. If the net asset value of the shares should be reduced below a 
shareholder's cost as a result of the payment of taxable dividends or the 
distribution of capital gains, such payment or distribution would be in part 
a return of capital but nonetheless taxable to the shareholder. Therefore, an 
investor should consider the tax implications of purchasing Fund shares 
immediately prior to a distribution record date. 

   Shareholders should consult their tax advisers regarding specific 
questions as to state or local taxes. 

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. 
These figures are computed separately for Class A, Class B, Class C and Class 
D shares. Prior to July 28, 1997, the Fund offered only one Class of shares. 
Because the distribution arrangement for Class A most closely resembles the 
distribution arrangement 
    
                               32           
<PAGE>
   
applicable prior to the implementation of multiple classes (i.e., Class A is 
sold with a front-end sales charge), historical performance information has 
been restated to reflect the actual maximum sales charge applicable to Class 
A (i.e., 4.25%) as compared to the 4.0% sales charge in effect prior to July 
28, 1997. In addition, because all shares of the Fund held prior to July 28, 
1997 have been designated Class D shares, the Fund's historical performance 
has also been restated to reflect the absence of any sales charge in the case 
of Class D shares. In addition, Class A shares are now subject to an ongoing 
12b-1 fee which is not reflected in the restated performance for that Class 
and would further reduce the performance quoted below. Following the restated 
performance information is the actual performance of the Fund as of its last 
fiscal year (prior to the implementation of multiple classes) without taking 
into effect the new fee and sales charge structure. 

   Yield is calculated for any 30-day period as follows: the amount of 
interest income for each security in the Fund's portfolio is determined as 
described below; 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" of each Class. The resulting 
amount is divided by the product of the maximum offering price per share on 
the last day of the period (reduced by any undeclared earned income per share 
that is expected to be declared shortly after the end of the period) 
multiplied by the average number of shares of the applicable Class 
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. 

   To determine interest income from debt obligations, a yield-to-maturity, 
expressed as a percentage, is determined for obligations held at the 
beginning of the period, based on the current market value of the security 
plus accrued interest, generally as of the end of the month preceding the 
30-day period, or, for obligations purchased during the period, based on the 
cost of the security (including accrued interest). The yield-to-maturity is 
multiplied by the market value (plus accrued interest) for each security and 
the result is divided by 360 and multiplied by 30 days or the number of days 
the security was held during the period, if less. Modifications are made for 
determining yield-to-maturity on certain tax-exempt securities. For the 
30-day period ended December 31, 1996, the Fund's restated yield for the 
Class A and Class D shares, calculated pursuant to the formula described 
above, was 4.68% and 4.89%, respectively. 

   The Fund may also quote a "tax-equivalent yield" for each Class determined 
by dividing the tax-exempt portion of quoted yield by 1 minus the stated 
income tax rate and adding the result to the portion of the yield that is not 
tax-exempt. The Fund's restated tax-equivalent yield for the Class A and 
Class D shares, based upon a Federal personal income tax bracket of 39.60% 
(the highest current individual marginal tax rate), for the 30-day period 
ended December 31, 1996 was 7.75% and 8.10%, respectively, based upon the 
yield quoted above. 

   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. The ending 
redeemable value is reduced by any CDSC at the end of the one, five or ten 
year or other period. 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. The restated average annual 
total returns of the Class A and Class D shares of the Fund for the year 
ended December 31, 1996 were -0.79% and 3.61%, respectively; for the five 
years ended December 31, 1996 were 5.94% and 6.86%, respectively; and for the 
ten years ended December 31, 1996 were 6.97% and 7.44%, respectively. 

   In addition to the foregoing, the Fund may advertise its total return for 
each Class over different periods of time by means of aggregate, average, 
year-by-year or other types of total return figures. Such calculation may or 
may not reflect the imposition of the maximum front-end sales charge for 
Class A or the deduction of the CDSC for each of Class B and Class C which, 
if reflected, would reduce the performance quoted. For example, the average 
annual total return of the Fund may be calculated in the 
    

                               33           
<PAGE>
   
manner described in the preceding paragraph, but without the deduction for 
any applicable sales charge. Based on this calculation, the Fund's average 
annual total return for Class A shares for the year ended December 31, 1996 
was 3.61%, the average annual total return for the five years ended December 
31, 1996 was 6.86% and the average annual total return for the ten years 
ended December 31, 1996 was 7.44%. Because the Class D shares are not subject 
to any sales charge, the Fund would only advertise average annual total 
return as calculated in the previous paragraph. 

   In addition, the Fund may compute its aggregate total return for each 
Class 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 (without reduction for any sales charge) by the 
initial $1,000 investment and subtracting 1 from the result. Based on the 
foregoing calculation, the Fund's restated total return for both Class A and 
Class D shares for the year ended December 31, 1996 was 3.61%; the restated 
total return for the five years ended December 31, 1996 was 39.37%; and the 
restated total return for the ten years ended December 31, 1996 was 104.87%. 

   The Fund may also advertise the growth of hypothetical investments of 
$10,000, $50,000 and $100,000 in each Class of shares of the Fund by adding 1 
to the Fund's aggregate total return to date (expressed as a decimal and 
without taking into account the effect of any applicable CDSC) and 
multiplying by $9,575, $48,250 and $97,250 in the case of Class A 
(investments of $10,000, $50,000 and $100,000 adjusted for the initial sales 
charge) or by $10,000, $50,000 and $100,000 in the case of each of Class B, 
Class C and Class D, as the case may be. Investments of $10,000, $50,000 and 
$100,000, adjusted for the aforementioned sales charges, in Class A and Class 
D of the Fund at inception (March 27, 1980) would have grown to $45,017, 
$226,847 and $457,221, respectively, in the case of Class A, and $47,015, 
$235,075 and $470,150, respectively, in the case of Class D, at December 31, 
1996. 

   For the 30-day period ended December 31, 1996, the Fund's actual yield, 
calculated pursuant to the formula described above, was 4.69%. The Fund's 
tax-equivalent yield, calculated pursuant to the formula described above, for 
the 30-day period ended December 31, 1996 was 7.76% based on the yield quoted 
in the previous sentence. The average annual total returns of the Fund, 
calculated pursuant to the formula described above, for the year ended 
December 31, 1996, for the five years ended December 31, 1996, and for the 
ten years ended December 31, 1996 were -0.53%, 6.00% and 7.00%, respectively. 
The average annual total returns of the Fund calculated without the deduction 
for any applicable sales charge for the year ended December 31, 1996, for the 
five years ended December 31, 1996, and for the ten years ended December 31, 
1996, were 3.61%, 6.86% and 7.44%, respectively. The Fund's aggregate total 
return, calculated pursuant to the formula described above, for the year 
ended December 31, 1996 was 3.61%, the total return for the five years ended 
December 31, 1996 was 39.37% and the total return for the ten years ended 
December 31, 1996 was 104.87%. Investments of $10,000, $50,000 and $100,000, 
adjusted for the sales charges in effect at such time (4.0%, 3.25% or 2.75%, 
respectively), in the Fund at inception (March 27, 1980) would have grown to 
$45,134, $227,435 and $457,221, respectively, at December 31, 1996. 
    

   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 OF THE FUND 
- ----------------------------------------------------------------------------- 

   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 
(as provided for in the Declaration of Trust), and they may at any time 
lengthen or shorten their own terms or make their terms of unlimited duration 
and appoint their own successors, provided that always at least a majority of 
the Trustees has been elected by the shareholders of the Fund. Under certain 
circumstances the Trustees may be removed by action of the 
    

                               34           
<PAGE>
Trustees. The shareholders also have the right under certain circumstances to 
remove the Trustees. 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 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 other 
than as set forth in the Prospectus. 
    

   The Declaration of Trust further provides that no Trustee, officer, 
employee or agent of the Fund is liable to the Fund or to a shareholder, nor 
is any Trustee, officer, employee or agent liable to any third persons in 
connection with the affairs of the Fund, except as such liability may arise 
from his/her or its own bad faith, willful misfeasance, gross negligence, or 
reckless disregard of his duties. It also provides that all third persons 
shall look solely to the Fund property for satisfaction of claims arising in 
connection with the affairs of the Fund. With the exceptions stated above, 
the Declaration of Trust provides that a Trustee, officer, employee or agent 
is entitled to be indemnified against all liability in connection with the 
affairs of the Fund. 

   
   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 or the Trustees. 
    

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. The Custodian has no part in deciding the 
Fund's investment policies or which securities are to be purchased or sold 
for the Fund's portfolio. 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. 

   
   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 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 from the Fund. 
    

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. 

                               35           
<PAGE>
   The Fund's fiscal year is the calendar year. 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 annual financial statements of the Fund for the year ended December 
31, 1996, which are 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. 

                               36           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996 

<TABLE>
<CAPTION>
  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
<S>          <C>                                                                <C>      <C>       <C>
             TAX-EXEMPT MUNICIPAL BONDS (94.5%) 
             General Obligation (11.4%) 
             North Slope Borough, Alaska, 
 $    5,000   Ser 1992 A Conv (MBIA) .........................................  5.90 %   06/30/03  $    5,358,450 
     15,000   Ser 1994 B (FSA) ...............................................  0.00     06/30/05       9,679,800 
     18,500   Ser 1995 A (MBIA) ..............................................  0.00     06/30/06      11,223,950 
     11,000   Ser 1996 B (MBIA) ..............................................  0.00     06/30/06       6,673,700 
     10,000   Ser 1996 B (MBIA) ..............................................  0.00     06/30/07       5,697,600 
      4,000  Connecticut, College Savings 1989 Ser A  ........................  0.00     07/01/08       2,209,080 
             Massachusetts, 
     20,000   Refg 1996 Ser A (AMBAC) ........................................  6.00     11/01/10      21,480,800 
     10,000   Refg 1993 Ser A ................................................  5.50     02/01/11      10,051,300 
      4,000  Clark County, Nevada, Transportation Ser 1992 A (AMBAC)  ........  6.50     06/01/17       4,518,640 
             New York City, New York, 
     10,000   1990 Ser D .....................................................  6.00     08/01/07      10,077,700 
     10,000   1990 Ser D .....................................................  6.00     08/01/08      10,053,900 
     10,000  Pennsylvania, First Ser 1995 (FGIC) .............................  5.50     05/01/12      10,074,700 
      7,500  Shelby County, Tennessee, Refg 1995 Ser A  ......................  5.625    04/01/14       7,610,025 
     20,120  King County, Washington, Ltd Tax 1995 (MBIA) ....................  6.00     01/01/23      20,632,255 
- ------------                                                                                       -------------- 
    155,120                                                                                           135,341,900 
- ------------                                                                                       -------------- 
             Educational Facilities Revenue (5.4%) 
     10,000  Indiana University, Student Fee Ser K (MBIA) ....................  5.875    08/01/20      10,089,600 
      7,000  Massachusetts Health & Educational Facilities Authority, Boston 
              University Ser 1991 (MBIA) .....................................  6.66     10/01/31       7,524,650 
     15,000  New Hampshire Higher Educational & Health Facilities Authority, 
              Dartmouth College Ser 1993 .....................................  5.375    06/01/23      14,239,800 
      2,000  New Jersey Development Authority, The Seeing Eye Inc 1991 .......  7.30     04/01/11       2,100,380 
             New York State Dormitory Authority, 
      5,000   State University Ser 1989 B ....................................  0.00     05/15/02       3,879,350 
     20,000   State University Ser 1990 B ....................................  7.00     05/15/16      21,422,400 
      5,000  Vermont Educational & Health Buildings Financing Agency, 
              Middlebury 
              College Ser 1996 ...............................................  5.375    11/01/26       4,795,450 
- ------------                                                                                       -------------- 
     64,000                                                                                            64,051,630 
- ------------                                                                                       -------------- 
             Electric Revenue (11.7%) 
     25,000  Salt River Project Agricultural Improvement & Power District, 
              Arizona, Refg 1993 Ser C .......................................  5.50     01/01/10      25,702,250 
     10,000  Sacramento Municipal Utility District, California, Refg 1994 Ser 
              I (MBIA) .......................................................  5.75     01/01/15      10,104,900 
     10,000  Municipal Electric Authority of Georgia, Fifth Crossover Ser ....  6.50     01/01/17      10,922,200 
      8,000  New York State Power Authority, General Purpose Ser CC ..........  5.25     01/01/18       7,581,200 
     15,000  Puerto Rico Electric Power Authority, Power Ser O ...............  0.00     07/01/17       4,599,750 
     15,000  South Carolina Public Service Authority, 1995 Refg Ser A 
              (AMBAC) ........................................................  6.25     01/01/22      15,957,600 
      6,000  Austin, Texas, Combined Utilities Refg Ser 1993 A ...............  5.75     11/15/13       6,019,320 
     24,000  San Antonio, Texas, Electric & Gas Refg Ser 1994 C ..............  4.70     02/01/06      23,072,160 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               37           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
             Intermountain Power Agency, Utah, 
$10,000       Refg 1996 Ser D ................................................  5.00 %   07/01/21  $    9,069,600 
 10,000       Refg 1997 Ser B (MBIA)(WI) .....................................  5.75     07/01/19       9,806,300 
 15,000      Washington Public Power System, Proj #2 Refg Ser 1994 A 
              (Secondary MBIA) ...............................................  6.00     07/01/07      16,061,850 
- ------------                                                                                       -------------- 
148,000                                                                                               138,897,130 
- ------------                                                                                       -------------- 
             Hospital Revenue (7.4%) 
 10,000      Birmingham -Carraway Special Care Facilities Financing 
              Authority, Alabama, Carraway Methodist Health Systems Ser 1995 
              A (Connie Lee) .................................................  6.25     08/15/09      10,808,000 
  3,000      Baxter County, Arkansas, Baxter County Regional Hospital Inc 
              Impr & Refg Ser 1992 ...........................................  7.50     09/01/21       3,216,660 
 10,000      California Health Facilities Financing Authority, Kaiser 
              Permanente Ser 1985 ............................................  5.55     08/15/25       9,544,900 
  1,500      Massachusetts Health & Educational Facilities Authority, Malden 
              Hospital - 
              FHA Ins Mtge Ser A .............................................  5.00     08/01/16       1,343,580 
             Rochester, Minnesota, 
  5,000       Mayo Foundation/Mayo Medical Center Ser 1992 I .................  5.75     11/15/21       4,999,600 
  3,700       Mayo Foundation/Mayo Medical Center Ser 1992 F .................  6.25     11/15/21       3,870,274 
 10,000      Missouri Health & Educational Facilities Authority, 
              Barnes-Jewish Inc/ 
              Christian Health Services Ser 1993 A ...........................  5.25     05/15/14       9,581,600 
  6,000      New York State Medical Care Facilities Finance Agency, 
              Presbyterian Hospital -FHA Ins Mtge 1984 Ser A Refg ............  5.25     08/15/14       5,779,320 
 10,000      Charlotte-Mecklenburg County Hospital Authority, North Carolina, 
              Ser 1992 .......................................................  6.00     01/01/22      10,136,700 
  5,000      University of North Carolina, Hospitals at Chapel Hill Ser 1996 .  5.00     02/15/29       4,486,600 
  4,000      Cuyahoga County, Ohio, The Cleveland Clinic Foundation Refg Ser 
              1988 A .........................................................  8.00     12/01/15       4,156,680 
  5,000      North Central Texas Health Facilities Development Corporation, 
              University 
              Medical Center Inc Ser 1997 (FSA)(WI) ..........................  5.45     04/01/15       4,889,900 
  7,000      Fairfax County Industrial Development Authority, Virginia, Inova 
              Health System Foundation Refg Ser 1993 A .......................  5.25     08/15/19       6,601,840 
 10,000      Fredericksburg Industrial Development Authority, Virginia, 
              Medicorp 
              Health System Refg Ser 1996 (AMBAC) ............................  5.25     06/15/16       9,634,000 
- ------------                                                                                       -------------- 
 90,200                                                                                                89,049,654 
- ------------                                                                                       -------------- 
             Industrial Development/Pollution Control Revenue (6.7%) 
  1,300      Jefferson County, Kentucky, Louisville Gas & Electric Co 1993 
              Ser B ..........................................................  5.625    08/15/19       1,289,223 
  1,450      Maryland Industrial Development Financing Authority, Medical 
              Waste Assocs LP 1989 Ser (AMT) .................................  8.75     11/15/10       1,450,000 
  5,000      Becker, Minnesota, Northern States Power Co Ser A 1989 ..........  6.80     04/01/07       5,300,250 
 15,000      Claiborne County, Mississippi, Middle South Energy Inc Ser C  ...  9.875    12/01/14      16,619,100 
 10,000      Clark County, Nevada, Nevada Power Co Ser 1992 A (AMT) (FGIC) ...  6.70     06/01/22      10,757,700 
 10,000      Washoe County, Nevada, Sierra Pacific Power Co Ser 1987 (AMBAC) .  6.30     12/01/14      10,585,600 
  5,000      Alliance Airport Authority, Texas, AMR Corp Ser 1990 (AMT) ......  7.50     12/01/29       5,355,400 
 10,000      Dallas-Fort Worth International Airport Facility Improvement 
              Corporation, Texas, American Airlines Inc Ser 1995 .............  6.00     11/01/14       9,923,400 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               38           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
$ 7,000      Matagorda County Navigation District #1, Texas, Central Power & 
              Light Co Collateralized Ser 1984 A .............................  7.50 %   12/15/14  $    7,718,830 
 10,000      Weston, Wisconsin, Wisconsin Public Service Corp Refg Ser 1993 
              A ..............................................................  6.90     02/01/13      10,991,400 
- ------------                                                                                       -------------- 
 74,750                                                                                                79,990,903 
- ------------                                                                                       -------------- 
             Mortgage Revenue -Multi-Family (2.1%) 
  7,000      Michigan Housing Development Authority, Rental Ser A (Bifurcated 
              FSA) ...........................................................  6.50     04/01/23       7,253,050 
  9,000      New Jersey Housing & Mortgage Finance Agency, 1995 Ser A 
              (AMBAC) ........................................................  6.05     11/01/20       9,179,190 
             New York City Housing Developement Corporation, New York, 
  4,514       Ruppert Proj -FHA Ins Sec 223F .................................  6.50     11/15/18       4,637,092 
  4,371       Stevenson Commons Proj -FHA Ins Sec 223F .......................  6.50     05/15/18       4,463,777 
- ------------                                                                                       -------------- 
 24,885                                                                                                25,533,109 
- ------------                                                                                       -------------- 
             Mortgage Revenue -Single Family (6.7%) 
 10,000      Alaska Housing Finance Corporation, Governmental 1995 Ser A 
              (MBIA) .........................................................  5.875    12/01/24       9,965,400 
  2,440      California Housing Finance Agency, Home Cap Apprec 1983 Ser B  ..  0.00     08/01/15         381,372 
 12,100      Illinois Housing Development Authority, Residential 1991 Ser C 
              (AMT) ..........................................................  6.875    02/01/18      12,554,355 
  4,000      Missouri Housing Development Commission, Homeownership GNMA/FNMA 
              1996 Ser C (AMT) ...............................................  7.45     09/01/27       4,419,760 
  6,900      Nebraska Investment Finance Authority, GNMA-Backed 1990 Ser 
              (AMT) ..........................................................  7.631    09/10/30       7,305,306 
  4,010      North Carolina Housing Finance Agency, Ser Q (AMT) ..............  8.00     03/01/18       4,275,783 
  6,950      Ohio Housing Finance Agency, GNMA-Backed 1990 Ser A (AMT) .......  6.903    03/01/31       7,285,824 
 10,000      Pennsylvania Housing Finance Agency, Ser 1991-31 (AMT) ..........  7.00     10/01/23      10,541,100 
             Tennessee Housing Development Agency, 
  4,000       Mortgage Finance 1993 Ser A ....................................  5.90     07/01/18       4,031,880 
 11,000       Mortgage Finance 1993 Ser A ....................................  5.95     07/01/28      11,065,560 
  7,600      Wisconsin Housing & Economic Development Authority, Home 
              Ownership 
              1991 Ser (AMT) .................................................  7.097    10/25/22       7,965,864 
- ------------                                                                                       -------------- 
 79,000                                                                                                79,792,204 
- ------------                                                                                       -------------- 
             Public Facilities Revenue (2.3%) 
  5,000      Palm Beach County, Florida, Criminal Justice Ser 1990 (FGIC) ....  6.00     06/01/13       5,092,200 
 10,000      Michigan Building Authority, 1993 Refg Ser I (AMBAC) ............  5.30     10/01/16       9,494,500 
  6,000      Saint Louis Industrial Development Authority, Missouri, Kiel 
              Center 
              Refg Ser 1992 (AMT) ............................................  7.75     12/01/13       6,423,540 
  5,000      Ohio Building Authority, Correctional 1985 Ser C BIGS ...........  9.75     10/01/05       6,619,750 
- ------------                                                                                       -------------- 
 26,000                                                                                                27,629,990 
- ------------                                                                                       -------------- 
             Resource Recovery Revenue (5.8%) 
             Connecticut Resources Recovery Authority, 
  9,000       American REF-FUEL Co of Southeastern Connecticut 1988 Ser A 
              (AMT) ..........................................................  8.00     11/15/15       9,720,540 
  4,950       Bridgeport RESCO Ser A .........................................  7.625    01/01/09       5,107,707 
  7,000      Savannah Resource Recovery Development Authority, Georgia, 
              Savannah 
              Energy Systems Co Ser 1992 .....................................  6.30     12/01/06       7,385,210 
 10,000      Northeast Maryland Waste Disposal Authority, Montgomery County 
              Ser 1993 A (AMT) ...............................................  6.30     07/01/16      10,197,500 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               39           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
$ 9,000      Mercer County Improvement Authority, New Jersey, Refg Ser A 1992 
              (AMT)(FGIC) ....................................................  6.70 %   04/01/13  $    9,009,990 
 10,000      Hempstead Industrial Development Agency, New York, 1985 American 
              REF-FUEL Co of Hempstead .......................................  7.40     12/01/10      10,250,000 
  6,000      New York State Environmental Facilities Corporation, Huntington 
              1989 Ser A (AMT) ...............................................  7.50     10/01/12       6,344,220 
  5,000      Onondaga County Resource Recovery Agency, New York, 1992 Ser 
              (AMT) ..........................................................  6.875    05/01/06       5,219,800 
  5,000      Fairfax County Economic Development Authority, Virginia, Ogden 
              Martin 
              Systems of Fairfax Inc Ser 1988 A (AMT) ........................  7.75     02/01/11       5,387,800 
- ------------                                                                                       -------------- 
 65,950                                                                                                68,622,767 
- ------------                                                                                       -------------- 
             Transportation Facilities Revenue (12.5%) 
  8,965      Mid-Bay Bridge Authority, Florida, Sr Lien Crossover Refg Ser 
              1993 A .........................................................  6.00     10/01/13       8,954,601 
             Atlanta, Georgia, 
  5,000       Airport Refg Ser 1996 (AMBAC)  .................................  6.00     01/01/07       5,393,800 
 10,000       Airport Ser 1990 (AMT) .........................................  6.25     01/01/21      10,281,300 
  8,100      Metropolitan Atlanta Rapid Transit Authority, Georgia, Sales Tax 
              Refg Ser K .....................................................  7.25     07/01/10       8,574,822 
  5,000      Hawaii, Airports Second Ser 1991 (AMT) ..........................  7.00     07/01/18       5,365,450 
             Kentucky Turnpike Authority, 
  9,000       Economic Development Road Refg Ser 1995 (AMBAC) ................  6.50     07/01/08      10,153,080 
 30,000       Resource Recovery Road Refg 1987 Ser A  ........................  5.00     07/01/08      29,232,300 
 11,000      New Jersey Highway Authority, Sr Parkway Refg 1992 Ser ..........  6.25     01/01/14      11,532,510 
  6,595      Albuquerque, New Mexico, Airport Refg Ser 1997 (AMT)(AMBAC) 
              (WI) ...........................................................  6.375    07/01/15       6,955,878 
             Ohio Turnpike Commission, 
  4,000       1994 Ser A  ....................................................  5.75     02/15/24       3,988,800 
 20,000       1996 Ser A (MBIA) ..............................................  5.50     02/15/26      19,656,600 
  5,000      Pennsylvania Turnpike Commission, Ser L of 1991 (MBIA) ..........  6.00     06/01/15       5,141,500 
 10,000      Puerto Rico Highway & Transportation Authority, Refg Ser X ......  5.50     07/01/15       9,931,200 
 10,000      Texas Turnpike Authority, Dallas North Tollway Refg Ser 1997 
              (FGIC) .........................................................  5.25     01/01/23       9,550,000 
  4,000      Virginia Transportation Board, US Route 58 Corridor Ser 1993 B ..  5.625    05/15/13       4,008,960 
- ------------                                                                                       -------------- 
146,660                                                                                               148,720,801 
- ------------                                                                                       -------------- 
             Water & Sewer Revenue (9.7%) 
 10,000      Birmingham Water Works & Sewer Board, Alabama, Ser 1994 .........  5.50     01/01/20       9,935,500 
 10,000      Phoenix Civic Improvement Corporation, Arizona, Jr Lien Water 
              Ser 1994 .......................................................  5.45     07/01/19       9,734,700 
 10,000      California Department of Water Resources, Central Valley Refg 
              Ser L  .........................................................  5.50     12/01/23       9,766,200 
 10,000      East Bay Municipal Utility District, California, Water Refg Ser 
              1993 (MBIA) ....................................................  5.00     06/01/21       9,131,900 
 10,000      Los Angeles, California, Wastewater Ser 1994-A (MBIA) ...........  5.875    06/01/24      10,198,600 
 10,000      Dade County, Florida, Water & Sewer Ser 1995 (FGIC) .............  5.50     10/01/25       9,814,900 
  5,000      Rockdale County Water & Sewerage Authority, Georgia, Ser 1996 
              (FSA) ..........................................................  5.00     07/01/22       4,659,400 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               40           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
             Massachusetts Water Resources Authority, 
 $ 10,000     Refg 1992 Ser B ................................................  5.50 %  11/01/15   $ 9,747,500 
   10,000     1993 Ser C .....................................................  5.25     12/01/15    9,707,800 
   10,000     1996 Ser A (FGIC) ..............................................  5.50     11/01/21    9,826,400 
    4,000    Detroit, Michigan, Sewage Refg Ser 1993-A (FGIC) ................  5.70     07/01/13    4,040,240 
    8,500    New York City Municipal Water Finance Authority, New York, 1994 
              Ser B  .........................................................  5.30     06/15/06    8,592,055 
   10,000    Philadelphia, Pennsylvania, Water & Wastewater Ser 1993 (FSA) ...  5.50     06/15/15    9,773,200 
- ------------                                                                                       -------------- 
  117,500                                                                                          114,928,395 
- ------------                                                                                       -------------- 
             Other Revenue (2.4%) 
    3,500    Denver, Colorado, Excise Tax Ser 1985 A .........................  5.00     11/01/08    3,414,320 
             New York Local Government Assistance Corporation, 
    5,000     Ser 1993 C Refg ................................................  5.375    04/01/14    4,881,500 
   10,000     Ser 1994 A  ....................................................  5.50     04/01/17    9,987,000 
    5,000     Ser 1995 A  ....................................................  6.00     04/01/24    5,106,900 
    5,000    Houston, Texas, Sr Lien Hotel Occupancy Tax Refg Ser 1995 (FSA) .  5.50     07/01/11    5,011,000 
- ------------                                                                                       -------------- 
   28,500                                                                                           28,400,720         
- ------------                                                                                       -------------- 
             Refunded (10.4%) 
    5,000    Central Coast Water Authority, California, Ser 1992 (AMBAC) .....  6.60     10/01/02++  5,647,550 
    9,000    Los Angeles Convention & Exhibition Center Authority, 
              California, 
              Ser 1985 COPs ..................................................  9.00     12/01/05++ 11,869,290 
    6,000    Connecticut Health & Educational Facilities Authority, Yale-New 
              Haven Hospital Ser F (MBIA) ....................................  7.10     07/01/00++  6,633,600 
    2,500    Mid-Bay Bridge Authority, Florida, Ser 1991 A (ETM) .............  6.875    10/01/22    2,854,200 
    9,790    Metropolitan Pier & Exposition Authority, Illinois, McCormick 
              Place 
              Ser 1992 A .....................................................  6.50     06/15/03++ 10,994,366 
    8,000    Massachusetts, 1994 Ser C (FGIC) ................................  6.75     11/01/04++  9,164,640 
   14,000    New York State Dormitory Authority, Suffolk County Judicial Ser 
              1986 (ETM) .....................................................  7.375    07/01/16   16,952,460 
   25,000    Intermountain Power Agency, Utah, Refg 1985 Ser H (GAINS) .......  0.00 +   07/01/03++ 24,159,500 
    5,000    Salt Lake City, Utah, IHC Hospital Inc Ser of 1983 (ETM) ........  5.00     06/01/15    4,835,050 
   28,000    Fairfax County Industrial Development Authority, Virginia, 
              Fairfax Hospital 
              System Inc/Inova Health Ser 1991 ...............................  6.801    08/15/01++ 30,990,680 
- ------------                                                                                       -------------- 
  112,290                                                                                          124,101,336 
- ------------                                                                                       -------------- 
1,132,855    TOTAL TAX-EXEMPT MUNICIPAL BONDS 
             (Identified Cost $1,051,723,235) ...................................................1,125,060,539 
- ------------                                                                                       -------------- 
             SHORT-TERM TAX-EXEMPT MUNICIPAL OBLIGATIONS (6.1%) 
    9,700    Dade County Health Facilities Authority, Florida, Miami 
              Childrens Hospital Ser 1990 (Demand 01/02/97)  .................  5.05 *   09/01/20    9,700,000 
   13,900    Hapeville Development Authority, Georgia, Hapeville Hotel Ltd 
              Ser 1985 
              (Demand 01/02/97) ..............................................  5.00 *   11/01/15   13,900,000 
    8,700    University of Michigan, Hospital Ser 1995 A (Demand 01/02/97) ...  5.10 *   12/01/19    8,700,000 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               41           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

  PRINCIPAL 
  AMOUNT IN                                                                    COUPON    MATURITY 
  THOUSANDS                                                                     RATE       DATE         VALUE 
- ----------------------------------------------------------------------------------------------------------------- 
  $ 18,900   Missouri Health & Educational Facilities Authority, Washington 
              University 
              Ser 1996 D (Demand 01/02/97) ...................................  4.75*%   02/01/30     $18,900,000 
     9,000   North Central Texas Health Facilities Development Corporation, 
              University Medical Center Inc Ser 1987 .........................  7.75     04/01/97++     9,294,570 
    11,600   Kemmerer, Wyoming, Exxon Corp Ser 1984 (Demand 01/02/97) ........  5.10*    11/01/14      11,600,000 
- ------------                                                                                       -------------- 
    71,800   TOTAL SHORT-TERM TAX-EXEMPT MUNICIPAL OBLIGATIONS 
- ------------ 
             (Identified Cost $71,447,050) ........................................................    72,094,570 
                                                                                                   -------------- 
$1,204,655   TOTAL INVESTMENTS (Identified Cost $1,123,170,285) (a) ...................   100.6%    1,197,155,109 
============ 
             LIABILITIES IN EXCESS OF CASH AND OTHER ASSETS ...........................   (0.6)        (7,121,119) 
                                                                                                   -------------- 
             NET ASSETS ...............................................................   100.0%   $1,190,033,990 
                                                                                       =========== ============== 
</TABLE>

- ------------ 
AMT         Alternative Minimum Tax. 
BIGS        Bond Income Growth Security. 
COPs        Certificates of Participation. 
ETM         Escrowed to Maturity. 
GAINS       Growth and Income Security. 
WI          Security purchased on a when issued basis. 
+           Zero coupon; will convert to 10.00% on July 1, 2000. 
++          Prerefunded to call date shown. 
*           Current coupon of variable rate security. 
(a)         The aggregate cost for federal income tax purposes approximates 
            identified cost. The aggregate gross unrealized appreciation is 
            $77,142,347 and the aggregate gross unrealized depreciation is 
            $3,157,523, resulting in net unrealized appreciation of 
            $73,984,824. 

Bond Insurance: 
AMBAC       AMBAC Indemnity Corporation. 
Connie Lee  Connie Lee Insurance Company. 
FGIC        Financial Guaranty Insurance Company. 
FSA         Financial Security Assurance Company. 
MBIA        Municipal Bond Investors Assurance Corporation. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               42           
<PAGE>

DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
PORTFOLIO OF INVESTMENTS December 31, 1996, continued 

                      GEOGRAPHIC SUMMARY OF INVESTMENTS 
Based on Market Value as a Percent of Net Assets 
December 31, 1996 

<TABLE>
<CAPTION>
<S>             <C>
Alabama             1.7% 
Alaska              4.1 
Arizona             3.0 
Arkansas            0.3 
California          5.6 
Colorado            0.3 
Connecticut         2.0 
Florida             3.1 
Georgia             5.1 
Hawaii              0.4 
Illinois            2.0 
Indiana             0.8 
Kentucky            3.4 
Maryland            1.0% 
Massachusetts       6.6 
Michigan            2.5 
Minnesota           1.2 
Mississippi         1.4 
Missouri            3.3 
Nebraska            0.6 
Nevada              2.2 
New Hampshire       1.2 
New Jersey          2.7 
New Mexico          0.6 
New York           11.4 
North Carolina      1.6 
Ohio                3.5% 
Pennsylvania        3.0 
Puerto Rico         1.2 
South Carolina      1.3 
Tennessee           1.9 
Texas               6.8 
Utah                4.0 
Vermont             0.4 
Virginia            4.7 
Washington          3.1 
Wisconsin           1.6 
Wyoming             1.0 
                ------- 
Total             100.6% 
                ======= 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               43           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
FINANCIAL STATEMENTS 

STATEMENTS OF ASSETS AND LIABILITIES 
December 31, 1996 

<TABLE>
<CAPTION>
<S>                                                                    <C>
ASSETS: 
Investments in securities, at value 
 (identified cost $1,123,170,285) ..................................... $1,197,155,109 
Cash ..................................................................        887,063 
Receivable for: 
  Interest ............................................................     17,424,216 
  Shares of beneficial interest sold ..................................        244,066 
Prepaid expenses and other assets .....................................         27,394 
                                                                       -------------- 
  TOTAL ASSETS ........................................................  1,215,737,848 
                                                                       -------------- 
LIABILITIES: 
Payable for: 
  Investments purchased ...............................................     20,777,892 
  Dividends and distributions .........................................      3,724,283 
  Shares of beneficial interest repurchased ...........................        596,522 
  Investment management fee ...........................................        452,931 
Accrued expenses ......................................................        152,230 
                                                                       -------------- 
  TOTAL LIABILITIES ...................................................     25,703,858 
                                                                       -------------- 
NET ASSETS: 
Paid-in-capital .......................................................  1,115,886,458 
Net unrealized appreciation ...........................................     73,984,824 
Accumulated undistributed net realized gain ...........................        162,708 
                                                                       -------------- 
  NET ASSETS .......................................................... $1,190,033,990 
                                                                       ============== 
NET ASSET VALUE PER SHARE, 
 101,083,561 shares outstanding (unlimited shares authorized of $.01 
 par value) ........................................................... $        11.77 
                                                                       ============== 
MAXIMUM OFFERING PRICE PER SHARE 
 (net asset value plus 4.17% of net asset value)* ..................... $        12.26 
                                                                       ============== 
</TABLE>

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

*      On sales of $25,000 or more the offering price is reduced. 

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               44           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
FINANCIAL STATEMENTS, continued 

STATEMENT OF OPERATIONS 
For the year ended December 31, 1996 

<TABLE>
<CAPTION>
<S>                                     <C>
 NET INVESTMENT INCOME: 
INTEREST INCOME ........................   $ 74,093,062 
                                        -------------- 
EXPENSES 
Investment management fee ..............      5,320,578 
Transfer agent fees and expenses  ......        387,764 
Shareholder reports and notices  .......         62,672 
Custodian fees .........................         52,615 
Professional fees ......................         52,404 
Registration fees ......................         46,458 
Trustees' fees and expenses ............         15,285 
Other ..................................         30,574 
                                        -------------- 
  TOTAL EXPENSES .......................      5,968,350 
  LESS: EXPENSE OFFSET  ................        (40,849) 
                                        -------------- 
  NET EXPENSES .........................      5,927,501 
                                        -------------- 
  NET INVESTMENT INCOME ................     68,165,561 
                                        -------------- 
NET REALIZED AND UNREALIZED GAIN 
 (LOSS): 
Net realized gain ......................      2,959,135 
Net change in unrealized appreciation  .    (29,830,436) 
                                        -------------- 
  NET LOSS .............................    (26,871,301) 
                                        -------------- 
NET INCREASE ...........................   $ 41,294,260 
                                        ============== 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               45           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
FINANCIAL STATEMENTS, continued 

STATEMENT OF CHANGES IN NET ASSETS 

<TABLE>
<CAPTION>
                                                          FOR THE YEAR      FOR THE YEAR 
                                                              ENDED             ENDED 
                                                        DECEMBER 31, 1996 DECEMBER 31, 1995 
- ------------------------------------------------------ ----------------- ----------------- 
<S>                                                    <C>               <C>
INCREASE (DECREASE) IN NET ASSETS: 
OPERATIONS: 
Net investment income .................................    $   68,165,561    $   76,135,601 
Net realized gain .....................................         2,959,135        17,721,238 
Net change in unrealized appreciation/depreciation  ...       (29,830,436)      117,785,387 
                                                       ----------------- ----------------- 
  NET INCREASE.........................................        41,294,260       211,642,226 
                                                       ----------------- ----------------- 
DIVIDENDS AND DISTRIBUTIONS FROM: 
Net investment income .................................       (68,543,874)      (75,983,289) 
Net realized gain .....................................        (8,374,759)      (12,426,304) 
                                                       ----------------- ----------------- 
  TOTAL ...............................................       (76,918,633)      (88,409,593) 
                                                       ----------------- ----------------- 
Net decrease from transactions in shares of beneficial 
 interest .............................................       (99,650,138)      (93,207,593) 
                                                       ----------------- ----------------- 
  NET INCREASE (DECREASE) .............................      (135,274,511)       30,025,040 
NET ASSETS: 
Beginning of period ...................................     1,325,308,501     1,295,283,461 
                                                       ----------------- ----------------- 
  END OF PERIOD 
  (Including undistributed net investment income of 
  $0 and $378,313, respectively) ......................    $1,190,033,990    $1,325,308,501 
                                                       ================= ================= 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               46           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
NOTES TO FINANCIAL STATEMENTS December 31, 1996 

1. ORGANIZATION AND ACCOUNTING POLICIES 

Dean Witter Tax-Exempt Securities Trust (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 which is exempt from federal income tax, 
consistent with the preservation of capital. The Fund was incorporated in 
Maryland in 1979, commenced operations on March 27, 1980 and reorganized as a 
Massachusetts business trust on April 30, 1987. 

The preparation of financial statements in accordance with generally accepted 
accounting principles requires management to make estimates and assumptions 
that affect the reported amounts and disclosures. Actual results could differ 
from those estimates. 

The following is a summary of significant accounting policies: 

A. VALUATION OF INVESTMENTS -- Portfolio securities are valued for the Fund 
by an outside independent pricing service approved by the Trustees. The 
pricing service has informed the Fund that in valuing the Fund's portfolio 
securities, it uses both a computerized matrix of tax-exempt securities and 
evaluations by its staff, in each case based on information concerning market 
transactions and quotations from dealers which reflect the bid side of the 
market each day. The Fund's portfolio securities are thus valued by reference 
to a combination of transactions and quotations for the same or other 
securities believed to be comparable in quality, coupon, maturity, type of 
issue, call provisions, trading characteristics and other features deemed to 
be relevant. Short-term debt securities having a maturity date of more than 
sixty days at 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. The Fund amortizes premiums and accretes discounts over the life of 
the respective securities. Interest income is accrued daily. 

C. FEDERAL INCOME TAX STATUS -- It is the Fund's policy to comply with the 
requirements of the Internal Revenue Code applicable to regulated investment 
companies and to distribute all of its taxable and nontaxable income to its 
shareholders. Accordingly, no federal income tax provision is required. 

D. DIVIDENDS AND DISTRIBUTIONS TO SHAREHOLDERS -- The Fund records dividends 
and distributions to its shareholders on the record date. The amount of 
dividends and distributions from net investment income 

                               47           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
NOTES TO FINANCIAL STATEMENTS December 31, 1996, continued 

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. 

2. INVESTMENT MANAGEMENT AGREEMENT 

Pursuant to an Investment Management Agreement with Dean Witter InterCapital 
Inc. (the "Investment Manager"), the Fund pays the Investment Manager a 
management fee, accrued daily and payable monthly, by applying the following 
annual rates to the Fund's net assets determined as of the close of each 
business day: 0.50% to the portion of daily net assets not exceeding $500 
million; 0.425% to the portion of daily net assets exceeding $500 million but 
not exceeding $750 million; 0.375% to the portion of daily net assets 
exceeding $750 million but not exceeding $1 billion; 0.35% to the portion of 
daily net assets exceeding $1 billion but not exceeding $1.25 billion; and 
0.325% to the portion of daily net assets exceeding $1.25 billion. 

Under the terms of the Agreement, in addition to managing the Fund's 
investments, the Investment Manager maintains certain of the Fund's books and 
records and furnishes, at its own expense, office space, facilities, 
equipment, clerical, bookkeeping and certain legal services and pays the 
salaries of all personnel, including officers of the Fund who are employees 
of the Investment Manager. The Investment Manager also bears the cost of 
telephone services, heat, light, power and other utilities provided to the 
Fund. 

3. SECURITY TRANSACTIONS AND TRANSACTIONS WITH AFFILIATES 

The cost of purchases and proceeds from sales of portfolio securities, 
excluding short-term investments, for the year ended December 31, 1996 
aggregated $215,642,138 and $383,666,566, respectively. 

Dean Witter Trust Company, an affiliate of the Investment Manager, is the 
Fund's transfer agent. At December 31, 1996, the Fund had transfer agent fees 
and expenses payable of approximately $52,400. 

The Fund has an unfunded noncontributory defined benefit pension plan 
covering all independent Trustees of the Fund who will have served as 
independent Trustees for at least five years at the time of 

                               48           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
NOTES TO FINANCIAL STATEMENTS December 31, 1996, continued 

retirement. Benefits under this plan are based on years of service and 
compensation during the last five years of service. Aggregate pension costs 
for the year ended December 31, 1996 included in Trustees' fees and expenses 
in the Statement of Operations amounted to $837. At December 31, 1996, the 
Fund had an accrued pension liability of $48,696 which is included in accrued 
expenses in the Statement of Assets and Liabilities. 

Shares of the Fund are distributed by Dean Witter Distributors Inc. (the 
"Distributor"), an affiliate of the Investment Manager. The Distributor has 
informed the Fund that for the year ended December 31, 1996, it received 
approximately $1,050,000 in commissions from the sale of the Fund's shares. 
Such commissions are not an expense of the Fund; they are deducted from the 
proceeds of the shares. 

4. SHARES OF BENEFICIAL INTEREST 

Transactions in shares of beneficial interest were as follows: 

<TABLE>
<CAPTION>
                                                      FOR THE YEAR                   FOR THE YEAR 
                                                         ENDED                          ENDED 
                                                   DECEMBER 31, 1996              DECEMBER 31, 1995 
                                            ------------------------------ ------------------------------ 
                                                 SHARES         AMOUNT          SHARES         AMOUNT 
                                            -------------- --------------- -------------- --------------- 
<S>                                         <C>            <C>             <C>            <C>
Sold                                            3,179,464    $  37,259,996     3,469,058    $  40,446,608 
Reinvestment of dividends and distributions     3,684,669       43,078,883     4,260,271       50,182,467 
                                            -------------- --------------- -------------- --------------- 
                                                6,864,133       80,338,879     7,729,329       90,629,075 
Repurchased                                   (15,389,992)    (179,989,017)  (15,722,604)    (183,836,668) 
                                            -------------- --------------- -------------- --------------- 
Net decrease                                   (8,525,859)   $ (99,650,138)   (7,993,275)   $ (93,207,593) 
                                            ============== =============== ============== =============== 
</TABLE>

5. FEDERAL INCOME TAX STATUS 

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 $146,000 during fiscal 1996. 

As of December 31, 1996, the Fund had temporary book/tax differences 
primarily attributable to post-October losses. 


                               49           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
FINANCIAL HIGHLIGHTS 

Selected ratios and per share data for a share of beneficial interest 
outstanding throughout each period: 

<TABLE>
<CAPTION>
                                   FOR THE YEAR ENDED DECEMBER 31, 
                           --------------------------------------------- 
                              1996     1995     1994      1993     1992 
- -------------------------- -------- -------- --------- -------- -------- 
<S>                        <C>      <C>      <C>       <C>      <C>
PER SHARE 
 OPERATING PERFORMANCE: 
Net asset value, 
 beginning of period ......  $12.09   $11.01   $12.41    $11.88   $11.65 
                           -------- -------- --------- -------- -------- 
Net investment income  ....    0.65     0.67     0.70      0.77     0.79 
Net realized and 
 unrealized gain (loss)  ..   (0.24)    1.19    (1.37)     0.54     0.23 
                           -------- -------- --------- -------- -------- 
Total from investment 
  operations ..............    0.41     1.86    (0.67)     1.31     1.02 
                           -------- -------- --------- -------- -------- 
Less dividends and 
 distributions from: 
 Net investment income  ...   (0.65)   (0.67)   (0.70)    (0.77)   (0.79) 
 Net realized gain ........   (0.08)   (0.11)   (0.03)    (0.01)    -- 
                           -------- -------- --------- -------- -------- 
Total dividends and 
  distributions ...........   (0.73)   (0.78)   (0.73)    (0.78)   (0.79) 
                           -------- -------- --------- -------- -------- 
Net asset value, 
 end of period ............  $11.77   $12.09   $11.01    $12.41   $11.88 
                           ======== ======== ========= ======== ======== 
TOTAL INVESTMENT RETURN+       3.61%   17.37%   (5.55)%   11.23%    9.09% 
RATIOS TO 
 AVERAGE NET ASSETS: 
Expenses ..................    0.48%    0.48%    0.47%     0.47%    0.49% 
Net investment income .....    5.52%    5.76%    6.02%     6.23%    6.74% 
SUPPLEMENTAL DATA: 
Net assets, end of period, 
  in millions .............  $1,190   $1,325   $1,295    $1,582   $1,323 
Portfolio turnover rate  ..      18%      21%      16%       13%       4% 
</TABLE>

                    (RESTUBBED TABLE CONTINUED FROM ABOVE) 

<TABLE>
<CAPTION>
                              1991     1990     1989     1988     1987 
- -------------------------- -------- -------- -------- -------- --------- 
<S>                        <C>      <C>      <C>      <C>      <C>
PER SHARE 
 OPERATING PERFORMANCE: 
Net asset value, 
 beginning of period ......  $11.09   $11.28   $10.96   $10.45   $11.50 
                           -------- -------- -------- -------- --------- 
Net investment income  ....    0.80     0.80     0.81     0.81     0.80 
Net realized and 
 unrealized gain (loss)  ..    0.56    (0.18)    0.32     0.51    (0.97) 
                           -------- -------- -------- -------- --------- 
Total from investment 
  operations ..............    1.36     0.62     1.13     1.32    (0.17) 
                           -------- -------- -------- -------- --------- 
Less dividends and 
 distributions from: 
 Net investment income  ...   (0.80)   (0.81)   (0.81)   (0.81)   (0.83) 
 Net realized gain ........    --       --       --       --      (0.05) 
                           -------- -------- -------- -------- --------- 
Total dividends and 
  distributions ...........   (0.80)   (0.81)   (0.81)   (0.81)   (0.88) 
                           -------- -------- -------- -------- --------- 
Net asset value, 
 end of period ............  $11.65   $11.09   $11.28   $10.96   $10.45 
                           ======== ======== ======== ======== ========= 
TOTAL INVESTMENT RETURN+      12.71%    5.86%   10.61%   13.02%   (1.44)% 
RATIOS TO 
 AVERAGE NET ASSETS: 
Expenses ..................    0.51%    0.51%    0.51%    0.54%    0.52% 
Net investment income .....    7.05%    7.25%    7.31%    7.51%    7.42% 
SUPPLEMENTAL DATA: 
Net assets, end of period, 
  in millions .............  $1,145   $1,010   $1,033    $908      $896 
Portfolio turnover rate  ..      10%      19%      13%      17%      37% 
<FN>
- ------------ 

+ Does not reflect the deduction of sales load. Calculated based on the net 
asset value as of the last business day of the period. 
</TABLE>

                      SEE NOTES TO FINANCIAL STATEMENTS 

                               50           
<PAGE>
DEAN WITTER TAX-EXEMPT SECURITIES TRUST 
REPORT OF INDEPENDENT ACCOUNTANTS 

TO THE SHAREHOLDERS AND TRUSTEES 
OF DEAN WITTER TAX-EXEMPT SECURITIES TRUST 

In our opinion, the accompanying statement of assets and liabilities, 
including the portfolio of investments, and the related statements of 
operations and of changes in net assets and the financial highlights present 
fairly, in all material respects, the financial position of Dean Witter 
Tax-Exempt Securities Trust (the "Fund") at December 31, 1996, 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 ten years in the period then ended, in conformity with 
generally accepted accounting principles. These financial statements and 
financial highlights (hereafter referred to as "financial statements") are 
the responsibility of the Fund's management; our responsibility is to express 
an opinion on these financial statements based on our audits. We conducted 
our audits of these financial statements in accordance with generally 
accepted auditing standards which require that we plan and perform the audit 
to obtain reasonable assurance about whether the financial statements are 
free of material misstatement. An audit includes examining, on a test basis, 
evidence supporting the amounts and disclosures in the financial statements, 
assessing the accounting principles used and significant estimates made by 
management, and evaluating the overall financial statement presentation. We 
believe that our audits, which included confirmation of securities at 
December 31, 1996 by correspondence with the custodian and brokers, provide a 
reasonable basis for the opinion expressed above. 

PRICE WATERHOUSE LLP 
1177 Avenue of the Americas 
New York, New York 10036 
February 10, 1997 

                     1996 FEDERAL TAX NOTICE (unaudited) 

       During the year ended December 31, 1996, the Fund paid to the 
       shareholders $0.65 per share from net investment income. All of the 
       Fund's dividends from net investment income were exempt interest 
       dividends, excludable from gross income for Federal income tax 
       purposes. For the year ended December 31, 1996, the Fund paid to 
       shareholders $0.08 per share from long-term capital gains. 

                                     51

<PAGE>
APPENDIX 

RATINGS OF INVESTMENTS 
- ----------------------------------------------------------------------------- 

Moody's Investors Service Inc. ("Moody's") 

                            MUNICIPAL BOND RATINGS 

<TABLE>
<CAPTION>
<S>     <C>
Aaa     Bonds 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      Bonds 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 bonds. They are rated lower than the best bonds 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 be other elements present which make the long-term risks appear somewhat 
        larger than in Aaa securities. 

A       Bonds 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     Bonds 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 bonds lack outstanding investment characteristics and in fact have speculative characteristics as 
        well. 
        Bonds rated Aaa, Aa, A and Baa are considered investment grade bonds. 

Ba      Bonds 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       Bonds which are rated B generally lack characteristics of a 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     Bonds 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      Bonds 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       Bonds which are rated C are the lowest rated class of bonds, and issues so rated can be regarded as having 
        extremely poor prospects of ever attaining any real investment standing. 
</TABLE>

   Conditional Rating: Bonds for which the security depends upon the 
completion of some act or the fulfillment of some condition are rated 
conditionally. These bonds are secured by (a) earnings of projects under 
construction, (b) earnings of projects unseasoned in operation experience, 
(c) rentals which begin when facilities are completed or (d) payments to 
which some other limiting condition attaches. Parenthetical rating denotes 
probable credit stature upon completion of construction or elimination of 
basis of condition. 

                               52           
<PAGE>
   Rating Refinements: Moody's may apply numerical modifiers, 1, 2, and 3 in 
each generic rating classification from Aa though B in its municipal bond 
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. 

                            MUNICIPAL NOTE RATINGS 

   Moody's ratings for state and municipal note and other short-term loans 
are designated Moody's Investment Grade (MIG). MIG 1 denotes best quality and 
means there is present strong protection from established cash flows, 
superior liquidity support or demonstrated broad-based access to the market 
for refinancing. MIG 2 denotes high quality and means that margins of 
protection are ample although not as large as in MIG 1. MIG 3 denotes 
favorable quality and means that all security elements are accounted for but 
that the undeniable strength of the previous grades, MIG 1 and MIG 2, is 
lacking. MIG 4 denotes adequate quality and means that the protection 
commonly regarded as required of an investment security is present and that 
while the notes are not distinctly or predominantly speculative, there is 
specific risk. 

                       VARIABLE RATE DEMAND OBLIGATIONS 

   A short-term rating, in addition to the Bond or MIG ratings, designated 
VMIG may also be assigned to an issue having a demand feature. The assignment 
of the VMIG symbol reflects such characteristics as payment upon periodic 
demand rather than fixed maturity dates and payment relying on external 
liquidity. The VMIG rating criteria are identical to the MIG criteria 
discussed above. 

                           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. These 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") 

                            MUNICIPAL BOND RATINGS 

   A Standard & Poor's municipal bond 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. 

                               53           
<PAGE>
<TABLE>
<CAPTION>
<S>     <C>
AAA     Debt rated "AAA" has the highest rating assigned by Standard & Poor's. Capacity to pay interest and repay 
        principal is extremely strong. 

AA      Debt rated "AA" has a very strong capacity to pay interest and repay principal and differs from the highest-rated 
        issues only in small degree. 

A       Debt rated "A" has 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 debt in higher-rated categories. 

BBB     Debt rated "BBB" is regarded as having an adequate capacity to pay interest and repay principal. Whereas it 
        normally eibits 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 debt in this category than 
        for debt in higher-rated categories. 
        Bonds rated AAA, AA, A and BBB are considered investment grade bonds. 

BB      Debt rated "BB" has less near-term vulnerability to default than other speculative grade debt. However, it 
        faces major ongoing uncertainties or exposure to adverse business, financial or economic conditions which 
        would lead to inadequate capacity or willingness to pay interest and repay principal. 

B       Debt rated "B" has a greater vulnerability to default but presently has 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. 

CCC     Debt rated "CCC" has a current identifiable vulnerability to default, and is 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, it is not likely to have the capacity to pay 
        interest and repay principal. 

CC      The rating "CC" is typically applied to debt subordinated to senior debt which is assigned an actual or implied 
        "CCC" rating. 

C       The rating "C" is typically applied to debt subordinated to senior debt which is assigned an actual or implied 
        "CCC-" debt rating. 

Cl      The rating "Cl" is reserved for income bonds on which no interest is being paid. 

D       Debt rated "D" is in payment default. The 'D' rating category is used when interest payments or principal 
        payments are not made on the date due even if the applicable grace period has not expired, unless S&P believes 
        that such payments will be made during such grace period. The 'D' rating also will be used upon the filing 
        of a bankruptcy petition if debt service payments are jeopardized. 

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. 
        Bonds 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 debt 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 ratings from "AA" to "CCC" may be modified by the addition of a plus or minus sign 
        to show relative standing within the major ratings categories. 

                               54           
<PAGE>
        The foregoing ratings are sometimes followed by a "p" which indicates that the rating is provisional. A provisional 
        rating assumes the successful completion of the project being financed by the bonds being rated and indicates 
        that payment of debt service requirements is largely or entirely dependent upon the successful and timely 
        completion of the project. This rating, however, while addressing credit quality subsequent to completion 
        of the project, makes no comment on the likelihood or risk of default upon failure of such completion. 
</TABLE>

                            MUNICIPAL NOTE RATINGS 

   Commencing on July 27, 1984, Standard & Poor's instituted a new rating 
category with respect to certain municipal note issues with a maturity of 
less than three years. The new note ratings denote the following: 

     SP-1 denotes a very strong or strong capacity to pay principal and 
    interest. Issues determined to possess overwhelming safety characteristics 
    are given a plus (+) designation (SP-1+). 

     SP-2 denotes a satisfactory capacity to pay principal and interest. 

     SP-3 denotes a speculative capacity to pay principal and interest. 

                           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. 

     A-1 indicates that the degree of safety regarding timely payments 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. 

                               55           






<PAGE>

                     DEAN WITTER TAX-EXEMPT SECURITIES TRUST

                            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 fiscal years ended
          December 31, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
          1994, 1995 and 1996............................................6

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

          Portfolio of Investments at December 31, 1996..................37

          Statement of Assets and Liabilities at December 31, 1996.......44

          Statement of Operations for the year ended December 31, 1996...45

          Statement of changes in net assets for the years ended
          December 31, 1995 and 1996.....................................46

          Notes to Financial Statements..................................47

          Financial highlights for the fiscal years ended
          December 31, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
          1994, 1995 and 1996............................................50

          (3) Financial statements included in Part C:

          None

(b)       Exhibits:

          1.       --   Form of Instrument Establishing and Designating
                        Additional Classes.

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

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

            (b)    --   Form of Multiple-Class Distribution Agreement between
                        the Registrant and Dean Witter Distributors Inc.

          11.      --   Consent of Independent Accountants.


<PAGE>




          15.      --   Amended and Restated Plan of Distribution pursuant
                        to Rule 12b-1.

          16.      --   Schedules for Computation of Performance Quotations.

          Other    --   Form of Multiple-Class Plan pursuant to Rule 18f-3.

- -------------------------------
All other exhibits were previously filed and are hereby 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 June 30, 1997
     --------------                    ----------------

Shares of Beneficial Interest               24,940

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 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

                                       2

<PAGE>



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.

                  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

                                       3

<PAGE>



  (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.
 (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.

                                       4

<PAGE>



 (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

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

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

                           ("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       President and Chief Operating Officer
Director                   of Dean Witter Capital, a division
                           of DWR; Director of DWR, DWSC,
                           Distributors and DWTC; Trustee of
                           the TCW/DW Funds.

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

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


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

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.


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

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.

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.



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

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.



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

Salvatore DeSteno
Vice President             Vice President of DWSC.

Frank J. DeVito
Vice President             Vice President of DWSC.



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

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 of Dean Witter
Vice President             Variable Investment Series

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             Vice President of various Dean Witter Funds

Michael Knox
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.

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

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

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 of Dean Witter Natural
Vice President             Resource Development Securities Inc.

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.

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.

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

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
 (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

                                      12

<PAGE>



(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
(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

                                      13

<PAGE>


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
PostEffective 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 2nd day of July, 1997.

                                        DEAN WITTER TAX-EXEMPT SECURITIES TRUST

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

         Pursuant to the requirements of the Securities Act of 1933, this
PostEffective Amendment No. 20 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                                 07/02/97
    --------------------------
         Charles A. Fiumefreddo

(2) Principal Financial Officer        Treasurer and Principal
                                       Accounting Officer

By   /s/ Thomas F. Caloia                                       07/02/97
    --------------------------
         Thomas F. Caloia

(3) Majority of the Trustees

    Charles A. Fiumefreddo (Chairman)
    Philip J. Purcell


By  /s/ Barry Fink                                              07/02/97
   ---------------------------
        Barry Fink
        Attorney-in-Fact

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



By   /s/ David M. Butowsky                                      07/02/97
    --------------------------
         David M. Butowsky
         Attorney-in-Fact



<PAGE>

                                    EXHIBIT INDEX

                      DEAN WITTER TAX-EXEMPT SECURITIES TRUST


         1.    --  Form of Instrument Establishing and Designating
                   Additional Classes.

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

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

           (b) --  Form of Multiple-Class Distribution Agreement
                   between the Registrant and Dean Witter Distributors
                   Inc.

        11.    --  Consent of Independent Accountants.

        15.    --  Amended and Restated Plan of Distribution pursuant
                   to Rule 12b-1.

        16.    --  Schedules for Computation of Performance Quotations.

        Other  --  Form of Multiple-Class Plan pursuant to Rule 18f-3.


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






<PAGE>

                                  CERTIFICATE


                  The undersigned hereby certifies that he is the Secretary of
Dean Witter Tax Exempt Securities Trust (the "Trust"), an unincorporated
business trust organized under the laws of the Commonwealth of Massachusetts,
that annexed hereto is an Instrument Establishing and Designating Additional
Classes of Shares of the Trust unanimously adopted by the Trustees of the Trust
on June 30, 1997, as provided in Section 6.9(h) of the said Declaration, said
Instrument to take effect on July 28, 1997, and I do hereby further certify
that such Instrument has not been amended and is on the date hereof in full
force and effect.

                  Dated this 28th day of July, 1997.



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




(SEAL)


<PAGE>




                    DEAN WITTER TAX-EXEMPT SECURITIES TRUST

                    INSTRUMENT ESTABLISHING AND DESIGNATING
                          ADDITIONAL CLASSES OF SHARES

WHEREAS, Dean Witter Tax-Exempt Securities Trust (the "Trust") was established
by the Declaration of Trust dated April 6, 1987, as amended from time to time
(the "Declaration"), under the laws of the Commonwealth of Massachusetts;

WHEREAS, Section 6.9(h) of the Declaration provides that the establishment and
designation of any additional class of shares shall be effective upon the
execution by a majority of the then Trustees of an instrument setting forth
such establishment and designation and the relative rights, preferences, voting
powers, restrictions, limitations as to dividends, qualifications, and terms
and conditions of such class, or as otherwise provided in such instrument,
which instrument shall have the status of an amendment to the Declaration; and

WHEREAS, the Trustees of the Trust have deemed it advisable to establish and
designate three additional classes of shares and to designate classes for the
existing shares held prior to July 28, 1997 ("Existing Class") as provided
herein. 

NOW, THEREFORE, BE IT RESOLVED, pursuant to Section 6.9(h) of the
Declaration, there are hereby established and designated three additional
classes of shares, to be known as: Class A, Class B and Class C (the
"Additional Classes"), each of which shall be subject to the relative rights,
preferences, voting powers, restrictions, limitations as to dividends,
qualifications, and terms and conditions of redemption set forth in the
Declaration with respect to the Existing Class, except to the extent the Dean
Witter Funds Multiple Class Plan Pursuant to Rule 18f-3 attached hereto as
Exhibit A sets forth differences (i) between each of the Additional Classes, or
(ii) among each of the Existing Class and the Additional Classes; and be it
further 

RESOLVED, pursuant to Section 6.9(h) of the Declaration, all shares of
the Trust held prior to July 28, 1997 are hereby designated as Class D shares
of the Trust. 

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


<PAGE>



IN WITNESS THEREOF, the undersigned, the Trustees of the Trust, have executed
this instrument this 30th day of June, 1997.



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




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



/s/ Edwin J. Garn                                 /s/ Philip J. Purcell
- ---------------------------------                 -----------------------------
Edwin J. Garn, as Trustee                         Philip J. Purcell, as Trustee
and not individually                              and not individually
c/o Huntsman Chemical Corporation                 Two World Trade Center
500 Huntsman Way                                  New York, NY  10048
Salt Lake City, UT  84111




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




<PAGE>




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



         On this 30th day of June, 1997, MICHAEL BOZIC, CHARLES A. FIUMEFREDDO,
EDWIN J. GARN, JOHN R. HAIRE, MANUEL H. JOHNSON, MICHAEL E. NUGENT, PHILIP J.
PURCELL and JOHN L. SCHROEDER, known to me to be the individuals described in
and who executed the foregoing instrument, personally appeared before me and
they severally acknowledged the foregoing instrument to be their free act and
deed.





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


My Commission expires:


MARILYN K. CRANNEY
NOTARY PUBLIC, STATE OF NEW YORK
NO. 24-4795538
QUALIFIED IN KINGS COUNTY
COMMISSION EXPIRES MAY 31, 1999

<PAGE>
                                                                     EXHIBIT A 

                                 DEAN WITTER 
                                    FUNDS 
                             MULTIPLE CLASS PLAN 
                            PURSUANT TO RULE 18F-3 

  INTRODUCTION 

   This plan (the "Plan") is adopted pursuant to Rule 18f-3(d) of the 
Investment Company Act of 1940, as amended (the "1940 Act"), and will be 
effective as of July 28, 1997. The Plan relates to shares of the open-end 
investment companies to which Dean Witter InterCapital Inc. acts as 
investment manager, that are listed on Schedule A, as may be amended from 
time to time (each, a "Fund" and collectively, the "Funds"). The Funds are 
distributed pursuant to a system (the "Multiple Class System") in which each 
class of shares (each, a "Class" and collectively, the "Classes") of a Fund 
represents a pro rata interest in the same portfolio of investments of the 
Fund and differs only to the extent outlined below. 

I. DISTRIBUTION ARRANGEMENTS 

   One or more Classes of shares of the Funds are offered for purchase by 
investors with the sales load structures described below. In addition, 
pursuant to Rule 12b-1 under the 1940 Act, the Funds have each adopted a Plan 
of Distribution (the "12b-1 Plan") under which shares of certain Classes are 
subject to the service and/or distribution fees ("12b-1 fees") described 
below. 

   1. Class A Shares 

   Class A shares are offered with a front-end sales load ("FESL"). The 
schedule of sales charges applicable to a Fund and the circumstances under 
which the sales charges are subject to reduction are set forth in each Fund's 
current prospectus. As stated in each Fund's current prospectus, Class A 
shares may be purchased at net asset value (without a FESL): (i) in the case 
of certain large purchases of such shares; and (ii) by certain limited 
categories of investors, in each case, under the circumstances and conditions 
set forth in each Fund's current prospectus. Class A shares purchased at net 
asset value may be subject to a contingent deferred sales charge ("CDSC") on 
redemptions made within one year of purchase. Further information relating to 
the CDSC, including the manner in which it is calculated, is set forth in 
paragraph 6 below. Class A shares are also subject to payments under each 
Fund's 12b-1 Plan to reimburse Dean Witter Distributors Inc., Dean Witter 
Reynolds Inc. ("DWR"), its affiliates and other broker-dealers for 
distribution expenses incurred by them specifically on behalf of the Class, 
assessed at an annual rate of up to 0.25% of average daily net assets. The 
entire amount of the 12b-1 fee represents a service fee within the meaning of 
National Association of Securities Dealers, Inc. ("NASD") guidelines. 

   2. Class B Shares 

   Class B shares are offered without a FESL, but will in most cases be 
subject to a six-year declining CDSC which is calculated in the manner set 
forth in paragraph 6 below. Class B shares purchased by certain qualified 
employer-sponsored benefit plans are subject to a three-year declining CDSC 
which is calculated in the manner set forth in paragraph 6 below. The 
schedule of CDSC charges applicable to each Fund is set forth in each Fund's 
current prospectus. With the exception of certain of the Funds which have a 
different formula described below (Dean Witter American Value Fund, Dean 
Witter Natural Resource Development Securities Inc., Dean Witter Strategist 
Fund and Dean Witter Dividend Growth Securities 

                                1           
<PAGE>
Inc.) (1), Class B shares are also subject to a fee under each Fund's 
respective 12b-1 Plan, assessed at the annual rate of up to 1.0% of either: 
(a) the lesser of (i) the average daily aggregate gross sales of the Fund's 
Class B shares since the inception of the Fund (not including reinvestment of 
dividends or capital gains distributions), less the average daily aggregate 
net asset value of the Fund's Class B shares redeemed since the Fund's 
inception upon which a CDSC has been imposed or waived, or (ii) the average 
daily net assets of Class B; or (b) the average daily net assets of Class B. 
A portion of the 12b-1 fee equal to up to 0.25% of the Fund's average daily 
net assets is characterized as a service fee within the meaning of the NASD 
guidelines and the remaining portion of the 12b-1 fee, if any, is 
characterized as an asset-based sales charge. Also, Class B shares have a 
conversion feature ("Conversion Feature") under which such shares convert to 
Class A shares after a certain holding period. Details of the Conversion 
Feature are set forth in Section IV below. 

   3. Class C Shares 

   Class C shares are offered without imposition of a FESL, but will in most 
cases be subject to a CDSC of 1.0% on redemptions made within one year after 
purchase. Further information relating to the CDSC is set forth in paragraph 
6 below. In addition, Class C shares, under each Fund's 12b-1 Plan, are 
subject to 12b-1 payments to reimburse Dean Witter Distributors Inc., DWR, 
its affiliates and other broker-dealers for distribution expenses incurred by 
them specifically on behalf of the Class, assessed at the annual rate of up 
to 1.0% of the average daily net assets of the Class. A portion of the 12b-1 
fee equal to up to 0.25% of the Fund's average daily net assets is 
characterized as a service fee within the meaning of NASD guidelines. Unlike 
Class B shares, Class C shares do not have the Conversion Feature. 

   4. Class D Shares 

   Class D shares are offered without imposition of a FESL, CDSC or a 12b-1 
fee for purchases of Fund shares by (i) investors meeting an initial minimum 
investment requirement and (ii) certain other limited categories of 
investors, in each case, as may be approved by the Boards of 
Directors/Trustees of the Funds and as disclosed in each Fund's current 
prospectus. 

   5. Additional Classes of Shares 

   The Boards of Directors/Trustees of the Funds have the authority to create 
additional Classes, or change existing Classes, from time to time, in 
accordance with Rule 18f-3 under the 1940 Act. 

   6. Calculation of the CDSC 

   Any applicable CDSC is calculated based upon the lesser of net asset value 
of the shares at the time of purchase or at the time of redemption. The CDSC 
does not apply to amounts representing an increase in share value due to 
capital appreciation and shares acquired through the reinvestment of 
dividends or 

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

(1)The payments under the 12b-1 Plan for each of Dean Witter American Value 
Fund, Dean Witter Natural Resource Development Securities Inc. and Dean 
Witter Dividend Growth Securities Inc. are assessed at the annual rate of 
1.0% of the lesser of: (a) the average daily aggregate gross sales of the 
Fund's Class B shares since the inception of the Fund's Plan (not including 
reinvestment of dividends or capital gains distributions), less the average 
daily aggregate net asset value of the Fund's Class B shares redeemed since 
the Plan's inception upon which a contingent deferred sales charge has been 
imposed or waived, or (b) the average daily net assets of Class B 
attributable to shares issued, net of related shares redeemed, since 
inception of the Plan. The payments under the 12b-1 Plan for the Dean Witter 
Strategist Fund are assessed at the annual rate of: (i) 1% of the lesser of 
(a) the average daily aggregate gross sales of the Fund's Class B shares 
since the effectiveness of the first amendment of the Plan on November 8, 
1989 (not including reinvestment of dividends or capital gains 
distributions), less the average daily aggregate net asset value of the 
Fund's Class B shares redeemed since the effectiveness of the first amended 
Plan, upon which a contingent deferred sales charge has been imposed or 
waived, or (b) the average daily net assets of Class B attributable to shares 
issued, net of related shares redeemed, since the effectiveness of the first 
amended Plan; plus (ii) 0.25% of the average daily net assets of Class B 
attributable to shares issued, net of related shares redeemed, prior to 
effectiveness of the first amended Plan. 
                                2           
<PAGE>
capital gains distributions. The CDSC schedule applicable to a Fund and the 
circumstances in which the CDSC is subject to waiver are set forth in each 
Fund's prospectus. 

II. EXPENSE ALLOCATIONS 

   Expenses incurred by a Fund are allocated among the various Classes of 
shares pro rata based on the net assets of the Fund attributable to each 
Class, except that 12b-1 fees relating to a particular Class are allocated 
directly to that Class. In addition, other expenses associated with a 
particular Class (except advisory or custodial fees), may be allocated 
directly to that Class, provided that such expenses are reasonably identified 
as specifically attributable to that Class and the direct allocation to that 
Class is approved by the Fund's Board of Directors/Trustees. 

III. CLASS DESIGNATION 

   All shares of the Funds held prior to July 28, 1997 (other than the shares 
held by certain employee benefit plans established by DWR and its affiliate, 
SPS Transaction Services, Inc., shares of Funds offered with a FESL, and 
shares of Dean Witter Balanced Growth Fund and Dean Witter Balanced Income 
Fund) have been designated Class B shares. Shares held prior to July 28, 1997 
by such employee benefit plans have been designated Class D shares. Shares 
held prior to July 28, 1997 of Funds offered with a FESL have been designated 
Class D shares. In addition, shares of Dean Witter American Value Fund 
purchased prior to April 30, 1984, shares of Dean Witter Strategist Fund 
purchased prior to November 8, 1989 and shares of Dean Witter Natural 
Resource Development Securities Inc. and Dean Witter Dividend Growth 
Securities Inc. purchased prior to July 2, 1984 (with respect to such shares 
of each Fund, including such proportion of shares acquired through 
reinvestment of dividends and capital gains distributions as the total number 
of shares acquired prior to each of the preceding dates in this sentence 
bears to the total number of shares purchased and owned by the shareholder of 
that Fund) have been designated Class D shares. Shares of Dean Witter 
Balanced Growth Fund and Dean Witter Balanced Income Fund held prior to July 
28, 1997 have been designated Class C shares except that shares of Dean 
Witter Balanced Growth Fund and Dean Witter Balanced Income Fund held prior 
to July 28, 1997 that were acquired in exchange for shares of an investment 
company offered with a CDSC have been designated Class B shares and those 
that were acquired in exchange for shares of an investment company offered 
with a FESL have been designated Class A shares. 

IV. THE CONVERSION FEATURE 

   Class B shares held before May 1, 1997 will convert to Class A shares in 
May, 2007, except that Class B shares which are purchased before July 28, 
1997 by trusts for which Dean Witter Trust Company ("DWTC") or Dean Witter 
Trust FSB ("DWTFSB") provides discretionary trustee services will convert to 
Class A shares on or about August 29, 1997 (the CDSC will not be applicable 
to such shares upon the conversion). In all other instances, Class B shares 
of each Fund will automatically convert to Class A shares, based on the 
relative net asset values of the shares of the two Classes on the conversion 
date, which will be approximately ten (10) years after the date of the 
original purchase. Conversions will be effected once a month. The 10 year 
period will be calculated from the last day of the month in which the shares 
were purchased or, in the case of Class B shares acquired through an exchange 
or a series of exchanges, from the last day of the month in which the 
original Class B shares were purchased, provided that shares originally 
purchased before May 1, 1997 will convert to Class A shares in May, 2007. 
Except as set forth below, the conversion of shares purchased on or after May 
1, 1997 will take place in the month following the tenth anniversary of the 
purchase. There will also be converted at that time such proportion of Class 
B shares acquired through automatic reinvestment of dividends owned by the 
shareholder as the total number of his or her Class B shares converting at 
the time bears to the total number of outstanding Class B shares purchased 
and owned by the shareholder. In the case of Class B shares held by a 401(k) 
plan or other employer-sponsored plan qualified under Section 401(a) of the 
Internal Revenue Code (the "Code") and for which DWTC or DWTFSB serves as 
Trustee or the 401(k) Support Services Group of DWR serves as recordkeeper, 
all Class B shares will convert to Class A shares on the conversion date of 
the first shares of a Fund purchased by that plan. In the case of Class B 
shares previously exchanged 

                                3           
<PAGE>
for shares of an "Exchange Fund" (as such term is defined in the prospectus 
of each Fund), the period of time the shares were held in the Exchange Fund 
(calculated from the last day of the month in which the Exchange Fund shares 
were acquired) is excluded from the holding period for conversion. If those 
shares are subsequently re-exchanged for Class B shares of a Fund, the 
holding period resumes on the last day of the month in which Class B shares 
are reacquired. 

   Effectiveness of the Conversion Feature is subject to the continuing 
availability of a ruling of the Internal Revenue Service or an opinion of 
counsel to the effect that (i) the conversion of shares does not constitute a 
taxable event under the Code; (ii) Class A shares received on conversion will 
have a basis equal to the shareholder's basis in the converted Class B shares 
immediately prior to the conversion; and (iii) Class A shares received on 
conversion will have a holding period that includes the holding period of the 
converted Class B shares. The Conversion Feature may be suspended if the 
Ruling or opinion is no longer available. In such event, Class B shares would 
continue to be subject to Class B fees under the applicable Fund's 12b-1 
Plan. 

V. EXCHANGE PRIVILEGES 

   Shares of each Class may be exchanged for shares of the same Class of the 
other Funds and for shares of certain other investment companies without the 
imposition of an exchange fee as described in the prospectuses and statements 
of additional information of the Funds. The exchange privilege of each Fund 
may be terminated or revised at any time by the Fund upon such notice as may 
be required by applicable regulatory agencies as described in each Fund's 
prospectus. 

VI. VOTING 

   Each Class shall have exclusive voting rights on any matter that relates 
solely to its 12b-1 Plan, except that Class B shareholders will have the 
right to vote on any proposed material increase in Class A's expenses, 
including payments under the Class A 12b-1 Plan, if such proposal is 
submitted separately to Class A shareholders. If the amount of expenses, 
including payments under the Class A 12b-1 Plan, is increased materially 
without the approval of Class B shareholders, the Fund will establish a new 
Class A for Class B shareholders whose shares automatically convert on the 
same terms as applied to Class A before the increase. In addition, each Class 
shall have separate voting rights on any matter submitted to shareholders in 
which the interests of one Class differ from the interests of any other 
Class. 

                                4           
<PAGE>
                              DEAN WITTER FUNDS 
                  MULTIPLE CLASS PLAN PURSUANT TO RULE 18F-3 
                                  SCHEDULE A 
                               AT JULY 28, 1997 

1)       Dean Witter American Value Fund
2)       Dean Witter Balanced Growth Fund
3)       Dean Witter Balanced Income Fund 
4)       Dean Witter California Tax-Free Income Fund
5)       Dean Witter Capital Appreciation Fund
6)       Dean Witter Capital Growth Securities
7)       Dean Witter Convertible Securities Trust
8)       Dean Witter Developing Growth Securities Trust
9)       Dean Witter Diversified Income Trust
10)      Dean Witter Dividend Growth Securities Inc.
11)      Dean Witter European Growth Fund Inc.
12)      Dean Witter Federal Securities Trust
13)      Dean Witter Financial Services Trust
14)      Dean Witter Global Asset Allocation Fund
15)      Dean Witter Global Dividend Growth Securities
16)      Dean Witter Global Utilities Fund
17)      Dean Witter Health Sciences Trust
18)      Dean Witter High Yield Securities Inc.
19)      Dean Witter Income Builder Fund
20)      Dean Witter Information Fund
21)      Dean Witter Intermediate Income Securities
22)      Dean Witter International SmallCap Fund
23)      Dean Witter Japan Fund
24)      Dean Witter Managers' Select Fund
25)      Dean Witter Market Leader Trust
26)      Dean Witter Mid-Cap Growth Fund
27)      Dean Witter Natural Resource Development Securities Inc.
28)      Dean Witter New York Tax-Free Income Fund
29)      Dean Witter Pacific Growth Fund Inc.
30)      Dean Witter Precious Metals and Minerals Trust
31)      Dean Witter Special Value Fund
32)      Dean Witter Strategist Fund
33)      Dean Witter Tax-Exempt Securities Trust
34)      Dean Witter U.S. Government Securities Trust
35)      Dean Witter Utilities Fund
36)      Dean Witter Value-Added Market Series/Equity Portfolio
37)      Dean Witter World Wide Income Trust
38)      Dean Witter World Wide Investment Trust

                                5           








<PAGE>
                       INVESTMENT MANAGEMENT AGREEMENT 

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

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

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

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

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

   Now, Therefore, this Agreement 

                             W I T N E S S E T H: 

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

   1. The Fund hereby retains the Investment Manager to act as investment 
manager of the Fund and, subject to the supervision of the Trustees, to 
supervise the investment activities of the Fund as hereinafter set forth. 
Without limiting the generality of the foregoing, the Investment Manager 
shall obtain and evaluate such information and advice relating to the 
economy, securities 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 

           
<PAGE>
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, including the preparation of prospectuses, proxy statements and 
reports required to be filed with federal and state securities commissions 
(except insofar as the participation or assistance of independent accountants 
and attorneys is, in the opinion of the Investment Manager, necessary or 
desirable). The Investment Manager shall also bear the cost of telephone 
service, heat, light, power and other utilities provided to the Fund. 

   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 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 following 
annual rates to the Fund's daily net assets: 0.50% of daily net assets up to 
$500 million; 0.425% of the next $250 million; 0.375% of the next $250 
million; 0.35% of the next $250 million; and 0.325% of daily net assets over 
$1.25 billion. Except as hereinafter set forth, compensation under this 
Agreement shall be calculated and accrued daily and the amounts of the daily 
accruals shall be paid monthly. Such calculations shall be made by applying 
1/365ths of the annual rates to the Fund's net assets each day determined as 
of the close of business on that day or the last previous business day. If 
this Agreement becomes effective subsequent to the first day of a month or 
shall terminate before the last day of a month, compensation for that part of 
the month this Agreement is in effect shall be prorated in a manner 
consistent with the calculation of the fees as set forth above. 

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

                                2           
<PAGE>
amount of any interest, taxes, brokerage commissions 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 day of the month, that expense limitation which results in 
the largest reduction in the Investment Manager's fee shall be applicable. 

   For purposes of this provision, should any applicable expense limitation 
be based upon the gross income of the Fund, such gross income shall include, 
but not be limited to, interest on debt 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. 

   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 of 1940, as amended (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 Dean Witter Reynolds Inc. The Fund 

                                3           
<PAGE>
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. 

   14. The Declaration of Trust establishing Dean Witter Tax-Exempt 
Securities Trust, dated April 6, 1987, 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 Tax-Exempt Securities Trust refers to the Trustees under the 
Declaration collectively as Trustees, but not as individuals or personally; 
and no Trustee, shareholder, officer, employee or agent of Dean Witter 
Tax-Exempt Securities Trust shall be held to any personal liability, nor 
shall resort be had to their private property for the satisfaction of any 
obligation or claim or otherwise, in connection with the affairs of said Dean 
Witter Tax-Exempt Securities Trust, 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 TAX-EXEMPT SECURITIES 
                                            TRUST 


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

Attest: 




 ........................................... 



                                            DEAN WITTER INTERCAPITAL INC. 


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



Attest: 


 ........................................... 

                                4           



<PAGE>
                              DEAN WITTER FUNDS 

                            DISTRIBUTION AGREEMENT 

   AGREEMENT made as of this 31st day of May, 1997 between each of the 
open-end investment companies to which Dean Witter InterCapital Inc. acts as 
investment manager, that are listed on Schedule A, as may be amended from 
time to time (each, a "Fund" and collectively, the "Funds"), and Dean Witter 
Distributors Inc., a Delaware corporation (the "Distributor"). 

                             W I T N E S S E T H: 

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

   WHEREAS, each Fund and the Distributor wish to enter into an agreement 
with each other with respect to the continuous offering of each Fund's 
transferable shares, of $0.01 par value (the "Shares"), to commence on the 
date listed above, in order to promote the growth of each Fund and facilitate 
the distribution of its shares. 

   NOW, THEREFORE, the parties agree as follows: 

   SECTION 1. Appointment of the Distributor. 

   (a) Each Fund hereby appoints the Distributor as the principal underwriter 
and distributor of the Fund to sell Shares to the public on the terms set 
forth in this Agreement and that Fund's prospectus and the Distributor hereby 
accepts such appointment and agrees to act hereunder. Each 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 each 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 that 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 the 1940 Act or as the 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 each Fund, except that the 
exclusive rights granted to the Distributor to sell the Shares shall not 
apply to Shares issued by each 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; (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 each Fund. 

   (a) The Distributor shall have the right to buy from each Fund 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 or securities dealers. 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 of Shares as set forth in the Prospectus, to investors or to securities 
dealers, including DWR, who have entered into selected dealer agreements with 
the Distributor upon the terms and conditions set forth in Section 7 hereof 
("Selected Dealers"). 

   (c) Each 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(f) hereof. Each Fund shall also have the right 

                                1           
<PAGE>
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 have been some other 
extraordinary event which, in the judgment of a Fund, makes it impracticable 
to sell its Shares. 

   (d) Each Fund, or any agent of a 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 a Fund; provided, however, that a 
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 each 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 each Fund'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 each Fund'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 of a Fund may be tendered for redemption 
at any time, and each Fund agrees to redeem its Shares so tendered in 
accordance with the applicable provisions set forth in its 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 less, in the case of a Fund whose 
Shares are offered with a contingent deferred sales charge ("CDSC"), any 
applicable CDSC. Upon any redemption of Shares the Fund shall pay the total 
amount of the redemption price in New York Clearing House funds in accordance 
with applicable provisions of the Prospectus. 

   (b) In the case of a Fund whose Shares are offered with a front-end sales 
charge, the redemption by a Fund of any of its Shares purchased by or through 
the Distributor will not affect the applicable front-end sales charge secured 
by the Distributor or any Selected Dealer in the course of the original sale, 
except that if any Shares are tendered for redemption within seven business 
days after the date of the confirmation of the original purchase, the right 
to the applicable front-end sales charge shall be forfeited by the 
Distributor and the Selected Dealer which sold such Shares. 

   (c) In the case of a Fund whose Shares are offered with a CDSC, the 
proceeds of any redemption of Shares shall be paid by each Fund as follows: 
(i) any applicable CDSC shall be paid to the Distributor or to the Selected 
Dealer, or, when applicable, pursuant to the Rules of the Association of the 
National Association of Securities Dealers, Inc. ("NASD"), retained by the 
Fund and (ii) the balance shall be paid to the redeeming shareholders, in 
each case in accordance with applicable provisions of its Prospectus in New 
York Clearing House funds. The Distributor is authorized to direct a Fund to 
pay directly to the Selected Dealer any CDSC payable by a Fund to the 
Distributor in respect of Shares sold by the Selected Dealer to the redeeming 
shareholders. 

   (d) 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 each 
Fund's 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. 

   (e) The Distributor is authorized, as agent for each Fund, to repurchase 
Shares held in a shareholder's account with a Fund for which no share 
certificate has been issued, upon the telephonic request of the shareholders, 
or at the discretion of the Distributor. The Distributor shall promptly 
transmit to the 

                                2           
<PAGE>
transfer agent of the Fund, for redemption, all such orders for repurchase of 
Shares. Payment for Shares repurchased may be made by a 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. 

   (f) Redemption of its Shares or payment by a 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 a Fund of securities owned by it is not reasonably practicable or 
it is not reasonably practicable for a Fund fairly to determine the value of 
its net assets, or during any other period when the SEC, by order, so 
permits. 

   (g) With respect to its Shares tendered for redemption or repurchase by 
any Selected Dealer on behalf of its customers, the Distributor is authorized 
to instruct the transfer agent of a Fund to accept orders for redemption or 
repurchase directly from the Selected Dealer on behalf of the Distributor and 
to instruct the Fund to transmit payments for such redemptions 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 Fund, and shall maintain, a record 
of payment made directly to the Selected Dealer on behalf of the Distributor. 

   SECTION 5. Duties of the Fund. 

   (a) Each 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 its Shares, including 
one certified copy, upon request by the Distributor, of all financial 
statements prepared by the Fund and examined by independent accountants. Each 
Fund shall, at the expense of the Distributor, make available to the 
Distributor such number of copies of its Prospectus as the Distributor shall 
reasonably request. 

   (b) Each 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) Each Fund shall use its best efforts to pay the filing fees for an 
appropriate number of its Shares to be sold 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 a Fund at 
any time in its discretion. As provided in Section 8(c) hereof, such filing 
fees shall be paid by the Fund. The Distributor shall furnish any information 
and other material relating to its affairs and activities as may be required 
by a Fund in connection with the sale of its Shares in any state. 

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

   SECTION 6. Duties of the Distributor. 

   (a) The Distributor shall sell shares of each Fund through DWR and may 
sell shares through other securities dealers and its own Account Executives, 
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 thereby. 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 appropriate Fund. 

   (c) The Distributor agrees that it will at all times comply with the 
applicable terms and limitations of the Rules of the Association of the NASD. 

                                3           
<PAGE>
   SECTION 7. Selected Dealers Agreements. 

   (a) The Distributor shall have the right to enter into selected dealer 
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 a Fund. Shares sold to Selected Dealers shall be for resale by such 
dealers only at the public offering price set forth in the Prospectus. With 
respect to Funds whose Shares are offered with a front-end sales charge, in 
such agreement the Distributor shall have the right to fix the portion of the 
applicable front-end sales charge which may be allocated to the Selected 
Dealers. 

   (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 each 
Fund, for the confirmation of sales of its 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) Each Fund shall bear all costs and expenses of the Fund, including 
fees and disbursements of legal counsel including counsel to the 
Directors/Trustees of each 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. 

   (b) 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 sales commissions, service fees and other expenses 
for sales of a Fund's Shares (except such expenses as are specifically 
undertaken herein by a 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 will also be the obligation of the Distributor. 
It is understood and agreed that, so long as a Fund's Plan of Distribution 
pursuant to Rule 12b-1 under the 1940 Act ("Rule 12b-1 Plan") continues in 
effect, any expenses incurred by the Distributor hereunder may be paid in 
accordance with the terms of such Rule 12b-1 Plan. 

   (c) Each Fund shall pay the filing fees, and, if necessary or advisable in 
connection therewith, bear the cost and expense of qualifying each 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) Each 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 Statement of Additional Information, as 
from time to time amended and supplemented, or the annual or interim reports 
to shareholders of a 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 a 
Fund in 

                                4           
<PAGE>
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 a 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 a 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. Each Fund will be entitled to participate at its 
own expense in the defense, or, if it so elects, to assume the defense, of 
any such suit brought to enforce any such liability, but if a 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. Each Fund shall promptly notify the Distributor 
of the commencement of any litigation or proceedings against it or any of its 
officers or Directors/Trustees in connection with the issuance or sale of the 
Shares. 

   (b)   (i) The Distributor shall indemnify and hold harmless each Fund and 
each of its Directors/ Trustees and officers and each person, if any, who 
controls the Fund against any loss, liability, claim, damage, or expense 
described in the 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 a 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 each Fund and 
each 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(g) 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) hereof. 

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

                                5           
<PAGE>
in respect thereof), as well as any other relevant equitable considerations. 
The relative benefits received by a 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 a Fund or the Distributor 
and the parties' relative intent, knowledge, access to information and 
opportunity to correct or prevent such statement or omission. Each 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 with respect to a Fund 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 Directors/Trustees of each 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 Directors/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 Directors/Trustees of a Fund, by a majority of the 
Directors/Trustees of a 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 a majority of the outstanding voting securities of a 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 
Directors/Trustees of a Fund, or by the vote of a majority of outstanding 
voting securities of a Fund, and (ii) a majority of those Directors/Trustees 
of a 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 Rule 12b-1 Plan, cast in 
person at a meeting called for the purpose of voting on such approval. 

   SECTION 12. Additional Funds. If at any time another Fund desires to 
appoint the Distributor as its principal underwriter and distributor under 
this Agreement, it shall notify the Distributor in writing. If the 
Distributor is willing to serve as the Fund's principal underwriter and 
distributor under this Agreement, it shall notify the Fund in writing, 
whereupon such other Fund shall become a Fund hereunder. 

   SECTION 13. 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, conflicts with the applicable provisions of the 
1940 Act, the latter shall control. 

                                6           
<PAGE>



   SECTION 14. Personal Liability. With respect to any Fund that is organized 
as an unincorporated business trust under the laws of the Commonwealth of 
Massachusetts, its Declaration of the Trust (each, a "Declaration") is on 
file in the office of the Secretary of the Commonwealth of Massachusetts. 
Each Declaration provides that the name of the Fund refers to the Trustees 
under the Declaration collectively as Trustees, but not as individuals or 
personally; and no Trustee, shareholder, officer, employee or agent of any 
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 any 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. 

                                        ON BEHALF OF THE FUNDS SET FORTH ON 
                                        SCHEDULE A, ATTACHED HERETO 


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


                                        DEAN WITTER DISTRIBUTORS INC. 


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

                                7           
<PAGE>
                               DEAN WITTER FUNDS
                             DISTRIBUTION AGREEMENT
                                   SCHEDULE A
                                AT MAY 31, 1997


1)       Dean Witter American Value Fund
2)       Dean Witter Balanced Growth Fund
3)       Dean Witter Balanced Income Fund
4)       Dean Witter California Tax-Free Income Fund
5)       Dean Witter Capital Appreciation Fund
6)       Dean Witter Capital Growth Securities
7)       Dean Witter Convertible Securities Trust
8)       Dean Witter Developing Growth Securities Trust
9)       Dean Witter Diversified Income Trust
10)      Dean Witter Dividend Growth Securities Inc.
11)      Dean Witter European Growth Fund Inc.
12)      Dean Witter Federal Securities Trust
13)      Dean Witter Financial Services Trust
14)      Dean Witter Global Asset Allocation Fund
15)      Dean Witter Global Dividend Growth Securities
16)      Dean Witter Global Utilities Fund
17)      Dean Witter Health Sciences Trust
18)      Dean Witter High Yield Securities Inc.
19)      Dean Witter Income Builder Fund
20)      Dean Witter Information Fund
21)      Dean Witter Intermediate Income Securities
22)      Dean Witter International SmallCap Fund
23)      Dean Witter Japan Fund
24)      Dean Witter Managers' Select Fund
25)      Dean Witter Market Leader Trust
26)      Dean Witter Mid-Cap Growth Fund
27)      Dean Witter Natural Resource Development Securities Inc.
28)      Dean Witter New York Tax-Free Income Fund
29)      Dean Witter Pacific Growth Fund Inc.
30)      Dean Witter Precious Metals and Minerals Trust
31)      Dean Witter Special Value Fund
32)      Dean Witter Strategist Fund
33)      Dean Witter Tax-Exempt Securities Trust
34)      Dean Witter U.S. Government Securities Trust
35)      Dean Witter Utilities Fund
36)      Dean Witter Value-Added Market Series/Equity Portfolio
37)      Dean Witter World Wide Income Trust
38)      Dean Witter World Wide Investment Trust

                                8           



<PAGE>
                              DEAN WITTER FUNDS 

                            DISTRIBUTION AGREEMENT 

   AGREEMENT made as of this 28th day of July, 1997 between each of the 
open-end investment companies to which Dean Witter InterCapital Inc. acts as 
investment manager, that are listed on Schedule A, as may be amended from 
time to time (each, a "Fund" and collectively, the "Funds"), and Dean Witter 
Distributors Inc., a Delaware corporation (the "Distributor"). 

                             W I T N E S S E T H: 

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

   WHEREAS, each Fund and the Distributor wish to enter into an agreement 
with each other with respect to the continuous offering of each Fund's 
transferable shares, of $0.01 par value (the "Shares"), to commence on the 
date listed above, in order to promote the growth of each Fund and facilitate 
the distribution of its shares. 

   NOW, THEREFORE, the parties agree as follows: 

   SECTION 1. Appointment of the Distributor. 

   (a) Each Fund hereby appoints the Distributor as the principal underwriter 
and distributor of the Fund to sell Shares to the public on the terms set 
forth in this Agreement and that Fund's prospectus and the Distributor hereby 
accepts such appointment and agrees to act hereunder. Each 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 each 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 that 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 the 1940 Act or as the 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 each Fund, except that the 
exclusive rights granted to the Distributor to sell the Shares shall not 
apply to Shares issued by each 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; (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 each Fund. The Shares are offered in 
four classes (each, a "Class"), as described in the Prospectus, as amended or 
supplemented from time to time. 

   (a) The Distributor shall have the right to buy from each Fund the Shares 
of the particular class needed, but not more than the Shares needed (except 
for clerical errors in transmission), to fill unconditional orders for Shares 
of the applicable class placed with the Distributor by investors or 
securities dealers. 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 of Shares of the applicable class as set forth in the Prospectus, to 
investors or to securities dealers, including DWR, who have entered into 
selected dealer agreements with the Distributor upon the terms and conditions 
set forth in Section 7 hereof ("Selected Dealers"). 

                                1           
<PAGE>
   (c) Each 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(f) hereof. Each 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 have been some other extraordinary event 
which, in the judgment of a Fund, makes it impracticable to sell its Shares. 

   (d) Each Fund, or any agent of a 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 a Fund; provided, however, that a 
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 each 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 each Fund'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 each Fund'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 of a Fund may be tendered for redemption 
at any time, and each Fund agrees to redeem its Shares so tendered in 
accordance with the applicable provisions set forth in its 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 less any applicable contingent 
deferred sales charge ("CDSC"). Upon any redemption of Shares the Fund shall 
pay the total amount of the redemption price in New York Clearing House funds 
in accordance with applicable provisions of the Prospectus. 

   (b) The redemption by a Fund of any of its Class A Shares purchased by or 
through the Distributor will not affect the applicable front-end sales charge 
secured by the Distributor or any Selected Dealer in the course of the 
original sale, except that if any Class A Shares are tendered for redemption 
within seven business days after the date of the confirmation of the original 
purchase, the right to the applicable front-end sales charge shall be 
forfeited by the Distributor and the Selected Dealer which sold such Shares. 

   (c) The proceeds of any redemption of Class A, Class B or Class C Shares 
shall be paid by each Fund as follows: (i) any applicable CDSC shall be paid 
to the Distributor or to the Selected Dealer, or, when applicable, pursuant 
to the Rules of the Association of the National Association of Securities 
Dealers, Inc. ("NASD"), retained by the Fund and (ii) the balance shall be 
paid to the redeeming shareholders, in each case in accordance with 
applicable provisions of its Prospectus in New York Clearing House funds. The 
Distributor is authorized to direct a Fund to pay directly to the Selected 
Dealer any CDSC payable by a Fund to the Distributor in respect of Class A, 
Class B, or Class C Shares sold by the Selected Dealer to the redeeming 
shareholders. 

   (d) 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 each 
Fund's 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. 

   (e) The Distributor is authorized, as agent for each Fund, to repurchase 
Shares held in a shareholder's account with a Fund for which no share 
certificate has been issued, upon the telephonic request of the shareholders, 
or at the discretion of the Distributor. The Distributor shall promptly 
transmit to the 

                                2           
<PAGE>
transfer agent of the Fund, for redemption, all such orders for repurchase of 
Shares. Payment for Shares repurchased may be made by a 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. 

   (f) Redemption of its Shares or payment by a 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 a Fund of securities owned by it is not reasonably practicable or 
it is not reasonably practicable for a Fund fairly to determine the value of 
its net assets, or during any other period when the SEC, by order, so 
permits. 

   (g) With respect to its Shares tendered for redemption or repurchase by 
any Selected Dealer on behalf of its customers, the Distributor is authorized 
to instruct the transfer agent of a Fund to accept orders for redemption or 
repurchase directly from the Selected Dealer on behalf of the Distributor and 
to instruct the Fund to transmit payments for such redemptions 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 Fund, and shall maintain, a record 
of payment made directly to the Selected Dealer on behalf of the Distributor. 

   SECTION 5. Duties of the Fund. 

   (a) Each 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 its Shares, including 
one certified copy, upon request by the Distributor, of all financial 
statements prepared by the Fund and examined by independent accountants. Each 
Fund shall, at the expense of the Distributor, make available to the 
Distributor such number of copies of its Prospectus as the Distributor shall 
reasonably request. 

   (b) Each 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) Each Fund shall use its best efforts to pay the filing fees for an 
appropriate number of its Shares to be sold 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 a Fund at 
any time in its discretion. As provided in Section 8(c) hereof, such filing 
fees shall be paid by the Fund. The Distributor shall furnish any information 
and other material relating to its affairs and activities as may be required 
by a Fund in connection with the sale of its Shares in any state. 

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

   SECTION 6. Duties of the Distributor. 

   (a) The Distributor shall sell shares of each Fund through DWR and may 
sell shares through other securities dealers and its own Account Executives, 
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 thereby. 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 appropriate Fund. 

   (c) The Distributor agrees that it will at all times comply with the 
applicable terms and limitations of the Rules of the Association of the NASD. 

                                3           
<PAGE>
   SECTION 7. Selected Dealers Agreements. 

   (a) The Distributor shall have the right to enter into selected dealer 
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 a Fund. Shares sold to Selected Dealers shall be for resale by such 
dealers only at the public offering price set forth in the Prospectus. With 
respect to Class A Shares, in such agreement the Distributor shall have the 
right to fix the portion of the applicable front-end sales charge which may 
be allocated to the Selected Dealers. 

   (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 each 
Fund, for the confirmation of sales of its 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) Each Fund shall bear all costs and expenses of the Fund, including 
fees and disbursements of legal counsel including counsel to the 
Directors/Trustees of each 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. 

   (b) 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 sales commissions, service fees and other expenses 
for sales of a Fund's Shares (except such expenses as are specifically 
undertaken herein by a 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 will also be the obligation of the Distributor. 
It is understood and agreed that, so long as a Fund's Plan of Distribution 
pursuant to Rule 12b-1 under the 1940 Act ("Rule 12b-1 Plan") continues in 
effect, any expenses incurred by the Distributor hereunder may be paid in 
accordance with the terms of such Rule 12b-1 Plan. 

   (c) Each Fund shall pay the filing fees, and, if necessary or advisable in 
connection therewith, bear the cost and expense of qualifying each 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) Each 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 Statement of Additional Information, as 
from time to time amended and supplemented, or the annual or interim reports 
to shareholders of a 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 a 
Fund in 

                                4           
<PAGE>
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 a 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 a 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. Each Fund will be entitled to participate at its 
own expense in the defense, or, if it so elects, to assume the defense, of 
any such suit brought to enforce any such liability, but if a 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. Each Fund shall promptly notify the Distributor 
of the commencement of any litigation or proceedings against it or any of its 
officers or Directors/Trustees in connection with the issuance or sale of the 
Shares. 

   (b)   (i) The Distributor shall indemnify and hold harmless each Fund and 
each of its Directors/ Trustees and officers and each person, if any, who 
controls the Fund against any loss, liability, claim, damage, or expense 
described in the 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 a 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 each Fund and 
each 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(g) 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) hereof. 

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

                                5           
<PAGE>
in respect thereof), as well as any other relevant equitable considerations. 
The relative benefits received by a 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 a Fund or the Distributor 
and the parties' relative intent, knowledge, access to information and 
opportunity to correct or prevent such statement or omission. Each 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 with respect to a Fund 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 Directors/Trustees of each 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 Directors/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 Directors/Trustees of a Fund, by a majority of the 
Directors/Trustees of a 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 a majority of the outstanding voting securities of a 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 
Directors/Trustees of a Fund, or by the vote of a majority of outstanding 
voting securities of a Fund, and (ii) a majority of those Directors/Trustees 
of a 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 Rule 12b-1 Plan, cast in 
person at a meeting called for the purpose of voting on such approval. 

   SECTION 12. Additional Funds. If at any time another Fund desires to 
appoint the Distributor as its principal underwriter and distributor under 
this Agreement, it shall notify the Distributor in writing. If the 
Distributor is willing to serve as the Fund's principal underwriter and 
distributor under this Agreement, it shall notify the Fund in writing, 
whereupon such other Fund shall become a Fund hereunder. 

   SECTION 13. 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, conflicts with the applicable provisions of the 
1940 Act, the latter shall control. 

                                6           
<PAGE>
   SECTION 14. Personal Liability. With respect to any Fund that is organized 
as an unincorporated business trust under the laws of the Commonwealth of 
Massachusetts, its Declaration of the Trust (each, a "Declaration") is on 
file in the office of the Secretary of the Commonwealth of Massachusetts. 
Each Declaration provides that the name of the Fund refers to the Trustees 
under the Declaration collectively as Trustees, but not as individuals or 
personally; and no Trustee, shareholder, officer, employee or agent of any 
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 any 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. 

                                        ON BEHALF OF THE FUNDS SET FORTH ON 
                                        SCHEDULE A, ATTACHED HERETO 


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


                                        DEAN WITTER DISTRIBUTORS INC. 


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

                                7           
<PAGE>
                               DEAN WITTER FUNDS
                             DISTRIBUTION AGREEMENT
                                   SCHEDULE A
                                AT JULY 28, 1997

1)       Dean Witter American Value Fund
2)       Dean Witter Balanced Growth Fund
3)       Dean Witter Balanced Income Fund
4)       Dean Witter California Tax-Free Income Fund
5)       Dean Witter Capital Appreciation Fund
6)       Dean Witter Capital Growth Securities
7)       Dean Witter Convertible Securities Trust
8)       Dean Witter Developing Growth Securities Trust
9)       Dean Witter Diversified Income Trust
10)      Dean Witter Dividend Growth Securities Inc.
11)      Dean Witter European Growth Fund Inc.
12)      Dean Witter Federal Securities Trust
13)      Dean Witter Financial Services Trust
14)      Dean Witter Global Asset Allocation Fund
15)      Dean Witter Global Dividend Growth Securities
16)      Dean Witter Global Utilities Fund
17)      Dean Witter Health Sciences Trust
18)      Dean Witter High Yield Securities Inc.
19)      Dean Witter Income Builder Fund
20)      Dean Witter Information Fund
21)      Dean Witter Intermediate Income Securities
22)      Dean Witter International SmallCap Fund
23)      Dean Witter Japan Fund
24)      Dean Witter Managers' Select Fund
25)      Dean Witter Market Leader Trust
26)      Dean Witter Mid-Cap Growth Fund
27)      Dean Witter Natural Resource Development Securities Inc.
28)      Dean Witter New York Tax-Free Income Fund
29)      Dean Witter Pacific Growth Fund Inc.
30)      Dean Witter Precious Metals and Minerals Trust
31)      Dean Witter Special Value Fund
32)      Dean Witter Strategist Fund
33)      Dean Witter Tax-Exempt Securities Trust
34)      Dean Witter U.S. Government Securities Trust
35)      Dean Witter Utilities Fund
36)      Dean Witter Value-Added Market Series/Equity Portfolio
37)      Dean Witter World Wide Income Trust
38)      Dean Witter World Wide Investment Trust

                                8           

<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. 20 to the registration
statement on Form N-1A (the "Registration Statement") of our report dated
February 10, 1997, relating to the financial statements and financial 
highlights of Dean Witter Tax-Exempt Securities Trust, which appears in such
Statement of Additional Information, and the 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
July 2, 1997




<PAGE>
                 PLAN OF DISTRIBUTION PURSUANT TO RULE 12B-1 
                                      OF 
                   DEAN WITTER TAX-EXEMPT SECURITIES TRUST 

   WHEREAS, Dean Witter Tax-Exempt Securities Trust (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 Fund desires to adopt a Plan of Distribution pursuant to Rule 
12b-1 under the Act, and the Trustees have determined that there is a 
reasonable likelihood that adoption of the Plan of Distribution will benefit 
the Fund and its shareholders; and 

   WHEREAS, the Fund and Dean Witter Distributors Inc. (the "Distributor") 
have entered into a separate Distribution Agreement dated as of July 28, 
1997, pursuant to which the Fund has employed the Distributor in such 
capacity during the continuous offering of shares of the Fund. 

   NOW, THEREFORE, the Fund hereby adopts, and the Distributor hereby agrees 
to the terms of, this Plan of Distribution (the "Plan") in accordance with 
Rule 12b-1 under the Act on the following terms and conditions with respect 
to the Class A, Class B and Class C shares of the Fund: 

   1(a)(i). With respect to Class A and Class C shares of the Fund, the 
Distributor hereby undertakes to directly bear all costs of rendering the 
services to be performed by it under this Plan and under the Distribution 
Agreement, except for those specific expenses that the Trustees determine to 
reimburse as hereinafter set forth. 

   1(a)(ii). The Fund is hereby authorized to reimburse the Distributor, Dean 
Witter Reynolds Inc. ("DWR"), its affiliates and other broker-dealers for 
distribution expenses incurred by them specifically on behalf of Class A and 
Class C shares of the Fund. Reimbursement will be made through payments at 
the end of each month. The amount of each monthly payment may in no event 
exceed an amount equal to a payment at the annual rate of 0.25%, in the case 
of Class A, and 0.70%, in the case of Class C, of the average net assets of 
the respective Class during the month. With respect to Class A, in the case 
of all expenses other than expenses representing the service fee and, with 
respect to Class C, in the case of all expenses other than expenses 
representing a gross sales credit or a residual to account executives, such 
amounts shall be determined at the beginning of each calendar quarter by the 
Trustees, including a majority of the Trustees who are not "interested 
persons" of the Fund, as defined in the Act. Expenses representing the 
service fee (for Class A) or a gross sales credit or a residual to account 
executives (for Class C) may be reimbursed without prior determination. In 
the event that the Distributor proposes that monies shall be reimbursed for 
other than such expenses, then in making the quarterly determinations of the 
amounts that may be expended by the Fund, the Distributor shall provide, and 
the Trustees shall review, a quarterly budget of projected distribution 
expenses to be incurred by the Distributor, DWR, its affiliates or other 
broker-dealers on behalf of the Fund together with a report explaining the 
purposes and anticipated benefits of incurring such expenses. The Trustees 
shall determine the particular expenses, and the portion thereof that may be 
borne by the Fund, and in making such determination shall consider the scope 
of the Distributor's commitment to promoting the distribution of the Fund's 
Class A and Class C shares directly or through DWR, its affiliates or other 
broker-dealers. 

   1(a)(iii). If, as of the end of any calendar year, the actual expenses 
incurred by the Distributor, DWR, its affiliates and other broker-dealers on 
behalf of Class A or Class C shares of the Fund (including accrued expenses 
and amounts reserved for incentive compensation and bonuses) are less than 
the amount of payments made by such Class pursuant to this Plan, the 
Distributor shall promptly make appropriate reimbursement to the appropriate 
Class. If, however, as of the end of any calendar year, the actual expenses 
(other than expenses representing a gross sales credit) of the Distributor, 
DWR, its affiliates and other broker-dealers are greater than the amount of 
payments made by Class A or Class C shares of the Fund pursuant to this Plan, 
such Class will not reimburse the Distributor, DWR, its affiliates or other 
broker-dealers for such expenses through payments accrued pursuant to this 
Plan in the subsequent fiscal year. Expenses representing a gross sales 
credit may be reimbursed in the subsequent calendar year. 

           
<PAGE>
   1(b). With respect to Class B shares of the Fund, the Fund shall pay to 
the Distributor, as the distributor of securities of which the Fund is the 
issuer, compensation for distribution of its Class B shares at the rate of 
0.60% per annum of the average daily net assets of Class B. Such compensation 
shall be calculated and accrued daily and paid monthly or at such other 
intervals as the Trustees shall determine. 

   The Distributor may direct that all or any part of the amounts receivable 
by it under this Plan be paid directly to DWR, its affiliates or other 
broker-dealers who provide distribution and shareholder services. All 
payments made hereunder pursuant to the Plan shall be in accordance with the 
terms and limitations of the Rules of the Association of the National 
Association of Securities Dealers, Inc. 

   2. With respect to expenses incurred by each Class, the amount set forth 
in paragraph 1 of this Plan shall be paid for services of the Distributor, 
DWR its affiliates and other broker-dealers it may select in connection with 
the distribution of the Fund's shares, including personal services to 
shareholders with respect to their holdings of Fund shares, and may be spend 
by the Distributor, DWR, its affiliates and such broker-dealers on any 
activities or expenses related to the distribution of the Fund's shares or 
services to shareholders, including, but not limited to: compensation to, and 
expenses of, account executives or other employees of the Distributor, DWR, 
its affiliates or other broker-dealers; overhead and other branch office 
distribution-related expenses and telephone expenses of persons who engage in 
or support distribution of shares or who provide personal services to 
shareholders; printing of prospectuses and reports for other than existing 
shareholders; preparation, printing and distribution of sales literature and 
advertising materials and, with respect to Class B, opportunity costs in 
incurring the foregoing expenses (which may be calculated as a carrying 
charge on the excess of the distribution expenses incurred by the 
Distributor, DWR, its affiliates or other broker-dealers over distribution 
revenues received by them, such excess being hereinafter referred to as 
"carryover expenses"). The overhead and other branch office 
distribution-related expenses referred to in this paragraph 2 may include: 
(a) the expenses operating the branch offices of the Distributor or other 
broker-dealers, including DWR, in connection with the sale of the Fund 
shares, including lease costs, the salaries and employee benefits of 
operations and sales support personnel, utility costs, communications costs 
and the costs of stationery and supplies; (b) the costs of client sales 
seminars; (c) travel expenses of mutual fund sales coordinators to promote 
the sale of Fund shares; and (d) other expenses relating to branch promotion 
of Fund sales. Payments may also be made with respect to distribution 
expenses incurred in connection with the distribution of shares, including 
personal services to shareholders with respect to holdings of such shares, of 
an investment company whose assets are acquired by the Fund in a tax-free 
reorganization. It is contemplated that, with respect to Class A shares, the 
entire fee set forth in paragraph 1(a) will be characterized as a service fee 
within the meaning of the National Association of Securities Dealers, Inc. 
guidelines and that, with respect to Class B shares, payments at the annual 
rate of 0.15% will be so characterized and that, with respect to Class C 
shares, payments at the annual rate of 0.25% will be so characterized. 

   3. This Plan shall not take effect with respect to any particular Class 
until it has been approved, together with any related agreements, by votes of 
a majority of the Board of Trustees of the Fund and of the Trustees who are 
not "interested persons" of the Fund (as defined in the Act) and have no 
direct financial interest in the operation of this Plan or any agreements 
related to it (the "Rule 12b-1 Trustees"), cast in person at a meeting (or 
meetings) called for the purpose of voting on this Plan and such related 
agreements. 

   4. This Plan shall continue in effect with respect to each Class until 
April 30, 1998, and from year to year thereafter, provided such continuance 
is specifically approved at least annually in the manner provided for 
approval of this Plan in paragraph 3 hereof. 

   5. The Distributor shall provide to the Trustees of the Fund and the 
Trustees shall review, at least quarterly, a written report of the amounts so 
expended and the purposes for which such expenditures were made. In this 
regard, the Trustees shall request the Distributor to specify such items of 
expenses as the Trustees deem appropriate. The Trustees shall consider such 
items as they deem relevant in making the determinations required by 
paragraph 4 hereof. 

   6. This Plan may be terminated at any time with respect to a Class by vote 
of a majority of the Rule 12b-1 Trustees, or by vote of a majority of the 
outstanding voting securities of the Fund. The Plan may 

                                2           
<PAGE>
remain in effect with the respect to a particular Class even if the Plan has 
been terminated in accordance with this paragraph 6 with respect to any other 
Class. In the event of any such termination or in the event of nonrenewal, 
the Fund shall have no obligation to pay expenses which have been incurred by 
the Distributor, DWR, its affiliates or other broker-dealers in excess of 
payments made by the Fund pursuant to this Plan. However, with respect to 
Class B, this shall not preclude consideration by the Trustees of the manner 
in which such excess expenses shall be treated. 

   7. This Plan may not be amended with respect to any Class to increase 
materially the amount each Class may spend for distribution provided in 
paragraph 1 hereof unless such amendment is approved by a vote of at least a 
majority (as defined in the Act) of the outstanding voting securities of that 
Class, and no material amendment to the Plan shall be made unless approved in 
the manner provided for approval in paragraph 3 hereof. Class B shares will 
have the right to vote on any material increase in the fee set forth in 
paragraph 1(a) above affecting Class A shares. 

   8. While this Plan is in effect, the selection and nomination of Trustees 
who are not interested persons (as defined in the Act) of the Fund shall be 
committed to the discretion of the Trustees who are not interested persons. 

   9. The Fund shall preserve copies of this Plan and any related agreements 
and all reports made pursuant to paragraph 5 hereof, for a period of not less 
than six years from the date of this Plan, any such agreement or any such 
report, as the case may be, the first two years in an easily accessible 
place. 

   10. The Declaration of Trust establishing Dean Witter Tax-Exempt 
Securities Trust, dated April 6, 1987, 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 Tax-Exempt Securities Trust refers to the Trustees under the 
Declaration collectively as Trustees but not as individuals or personally; 
and no Trustee, shareholder, officer, employee or agent of Dean Witter 
Tax-Exempt Securities Trust shall be held to any personal liability, nor 
shall resort be had to their private property for this satisfaction of any 
obligation or claim or otherwise, in connection with the affairs of said Dean 
Witter Tax-Exempt Securities Trust, but the Trust Estate only shall be 
liable. 

   IN WITNESS WHEREOF, the Fund and the Distributor have executed this Plan 
of Distribution as of the day and year set forth below in New York, New York. 

Date:  July 28, 1997 



Attest:                                DEAN WITTER TAX-EXEMPT     
                                       SECURITIES TRUST            



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




Attest:                                Dean Witter Distributors Inc.  





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

                                3           





<PAGE>

DATE:  30-Jun-97

         SCHEDULE FOR RESTATED COMPUTATIONS OF PERFORMANCE QUOTATIONS
                  DEAN WITTER TAX-EXEMPT SECURITIES - CLASS A




(A) AVERAGE ANNUAL TOTAL RETURNS (I.E. STANDARDIZED COMPUTATIONS)

                             _                                    _
                            |        ______________________  |
FORMULA:                    |       |          |
                            |  /\ n |         ERV           |
               T  =         |    \  |     -------------    |  - 1
                            |     \ |          P          |
                            |      \|                 |
                            |_                        _|

              T = AVERAGE ANNUAL COMPOUND RETURN
              n = NUMBER OF YEARS
            ERV = ENDING REDEEMABLE VALUE
              P = INITIAL INVESTMENT

<TABLE>
<CAPTION>
                                                                                       (A)
  $1,000               ERV AS OF          AGGREGATE           NUMBER OF           AVERAGE ANNUAL
INVESTED - P           31-Dec-96         TOTAL RETURN         YEARS - n         COMPOUND RETURN - T
- ------------           ---------         ------------         ---------         --------------------
<S>                    <C>                <C>                 <C>               <C>
 31-Dec-95             $  992.10            -0.79%                  1                   -0.79%
 31-Dec-91             $1,334.50            33.45%               5.00                    5.94%
 31-Dec-86             $1,961.60            96.16%              10.00                    6.97%
</TABLE>

(B) AVERAGE ANNUAL TOTAL RETURNS WITHOUT DEDUCTION FOR APPLICABLE
    SALES CHARGE  (NON STANDARD COMPUTATIONS)

(C) TOTAL RETURN WITHOUT DEDUCTION FOR APPLICABLE SALES CHARGE
    (NON STANDARD COMPUTATIONS)

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

                               EV
             TR  =         ----------        - 1
                                P


             t = AVERAGE ANNUAL COMPOUND RETURN
                 (NO DEDUCTION FOR APPLICABLE SALES CHARGE)
             n = NUMBER OF YEARS
            EV = ENDING VALUE (NO DEDUCTION FOR APPLICABLE SALES CHARGE)
             P = INITIAL INVESTMENT
            TR = TOTAL RETURN (NO DEDUCTION FOR APPLICABLE SALES CHARGE)

<TABLE>
<CAPTION>

                                                   (C)                                   (B)
  $1,000                  EV AS OF                TOTAL           NUMBER OF         AVERAGE ANNUAL
INVESTED - P              31-Dec-96            RETURN - TR        YEARS - n       COMPOUND RETURN - t
- ------------              ---------            -----------        ----------      -------------------
<S>                       <C>                  <C>                 <C>             <C>
 31-Dec-95                $1,036.10                3.61%                1                 3.61%
 31-Dec-91                $1,393.70               39.37%             5.00                 6.86%
 31-Dec-86                $2,048.70              104.87%            10.00                 7.44%
</TABLE>

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

FORMULA:          G= (TR+1)*P
                  G= GROWTH OF INITIAL INVESTMENT
                  P= INITIAL INVESTMENT
                  TR= TOTAL RETURN SINCE INCEPTION
<TABLE>
<CAPTION>
                                               (D)                             (E)                              (F)
  $10,000               TOTAL               GROWTH OF                       GROWTH OF                         GROWTH OF
INVESTED - P         RETURN - TR       $10,000 INVESTMENT - G          $50,000 INVESTMENT - G           $100,000 INVESTMENT - G
- ------------         -----------       ----------------------          ----------------------           -----------------------
<S>                  <C>                <C>                            <C>                              <C>
 27-Mar-80              370.15                $45,017                         $226,847                          $457,221
</TABLE>


*SINCE INCEPTION : ORIGINAL VALUE $9,575,$48,250 & $97,250  ADJUSTED FOR
 4.25%,3.50% AND 2.75% SALES CHARGES, RESPECTIVELY.

<PAGE>

DATE:  30-Jun-97



         SCHEDULE FOR RESTATED COMPUTATIONS OF PERFORMANCE QUOTATIONS
                  DEAN WITTER TAX-EXEMPT SECURITIES - CLASS D


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


(B) TOTAL RETURN (NO LOAD FUND)

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

                               EV
             TR  =         ----------        - 1
                                P


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

<TABLE>
<CAPTION>
                                             (B)                                           (A)
  $1,000               EV AS OF             TOTAL                NUMBER OF            AVERAGE ANNUAL
INVESTED - P          31-Dec-96          RETURN - TR             YEARS - n          COMPOUND RETURN - t
- ------------          ---------          -----------             ----------         -------------------
<S>                   <C>                <C>                      <C>               <C>
 31-Dec-95            $1,036.10              3.61%                      1                  3.61%
 31-Dec-91            $1,393.70             39.37%                   5.00                  6.86%
 31-Dec-86            $2,048.70            104.87%                  10.00                  7.44%
</TABLE>

(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>
 27-Mar-80              370.15                   $47,015                         $235,075                       $470,150

</TABLE>


<PAGE>

              SCHEDULE FOR COMPUTATIONS OF PERFORMANCE QUOTATIONS
                       DEAN WITTER TAX-EXEMPT SECURITIES

REVISED :       07/01/97


(A) AVERAGE ANNUAL TOTAL RETURNS (I.E. STANDARDIZED COMPUTATIONS)

                              _                                   _
                             |        ______________________  |
FORMULA:                     |       |          |
                             |  /\ n |         ERV           |
                T  =         |    \  |    -------------     |  - 1
                             |     \ |          P          |
                             |      \|                |
                             |_                       _|

               T = AVERAGE ANNUAL COMPOUND RETURN
               n = NUMBER OF YEARS
             ERV = ENDING REDEEMABLE VALUE
               P = INITIAL INVESTMENT
<TABLE>
<CAPTION>
                                                                                     (A)
  $1,000               ERV AS OF      AGGREGATE           NUMBER OF             AVERAGE ANNUAL
INVESTED - P           31-Dec-96     TOTAL RETURN         YEARS - n           COMPOUND RETURN - T
- ------------           ---------     ------------         ---------           -------------------
<S>                    <C>            <C>                  <C>                 <C>
 31-Dec-95             $  994.70        -0.53%                 1                    -0.53%
 31-Dec-91             $1,337.90        33.79%              5.00                     6.00%
 31-Dec-86             $1,966.70        96.67%             10.00                     7.00%
</TABLE>


(B) AVERAGE ANNUAL TOTAL RETURNS WITHOUT DEDUCTION FOR APPLICABLE
    SALES CHARGE  (NON STANDARD COMPUTATIONS)

(C) TOTAL RETURN WITHOUT DEDUCTION FOR APPLICABLE SALES CHARGE
    (NON STANDARD COMPUTATIONS)

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

                              EV
            TR  =         ----------       - 1
                               P


            t = AVERAGE ANNUAL COMPOUND RETURN
                (NO DEDUCTION FOR APPLICABLE SALES CHARGE)
            n = NUMBER OF YEARS
           EV = ENDING VALUE (NO DEDUCTION FOR APPLICABLE SALES CHARGE)
            P = INITIAL INVESTMENT
           TR = TOTAL RETURN (NO DEDUCTION FOR APPLICABLE SALES CHARGE)

<TABLE>
<CAPTION>
                                            (C)                                             (B)
  $1,000                EV AS OF           TOTAL                NUMBER OF              AVERAGE ANNUAL
INVESTED - P           31-Dec-96         RETURN - TR            YEARS - n             COMPOUND RETURN
- ------------           ---------         ------------           ---------            -------------------
<S>                    <C>               <C>                    <C>                  <C>
 31-Dec-95             $1,036.10             3.61%                    1                     3.61%
 31-Dec-91             $1,393.70            39.37%                 5.00                     6.86%
 31-Dec-86             $2,048.70           104.87%                10.00                     7.44%
</TABLE>

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

FORMULA:         G= (TR+1)*P
                 G= GROWTH OF INITIAL INVESTMENT
                 P= INITIAL INVESTMENT
                 TR= TOTAL RETURN SINCE INCEPTION
<TABLE>
<CAPTION>
                                                    (D)                       (E)                 (F)
  $10,000                TOTAL                   GROWTH OF                 GROWTH OF           GROWTH OF
INVESTED - P          RETURN - TR           $10,000 INVESTMENT      $50,000 INVESTMENT   $100,000 INVESTMENT - G
- ------------          -----------         ----------------------      ------------------   -----------------------
<S>                   <C>                 <C>                          <C>                 <C>
 27-Mar-80               370.15                    $45,134                  $227,435             $457,221
</TABLE>

* INITIAL INVESTMENT $9600,$48,375 & $97,250 RESPECTIVELY REFLECTS A 4%,3.25% &
  2.75% SALES CHARGE

<PAGE>
                  SCHEDULE OF COMPUTATION OF YIELD QUOTATION
               DEAN WITTER TAX EXEMPT SECURITIES TRUST - CLASS A
                 FOR THE 30 DAY PERIOD ENDED DECEMBER 31, 1996


                                     6
(A)    YIELD = 2{[((a-b)/c d)+ 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{[((5,261,942.43 - 459,905.94)/101,097,523.203 *12.29)+1]-1}

             = 4.68%


(B)    TAX EQUIVALENT YIELD = SEC Yield - (1 - stated tax rate)
                            = 4.68%/(1-.3960)
                            = 7.75%




<PAGE>



                  SCHEDULE OF COMPUTATION OF YIELD QUOTATION
               DEAN WITTER TAX EXEMPT SECURITIES TRUST - CLASS D
                 FOR THE 30 DAY PERIOD ENDED DECEMBER 31, 1996



                                      6
(A)    YIELD = 2{[((a-b)/c d) + 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{[((5,261,942.43 - 459,905.94)/101,097,523.203 *11.77)+1] -1}

             = 4.89%


(B)    TAX EQUIVALENT YIELD = SEC Yield - (1- stated tax rate)
                            = 4.89% / (1-.3960)
                            = 8.10%



<PAGE>
                                 DEAN WITTER 
                                    FUNDS 
                             MULTIPLE CLASS PLAN 
                            PURSUANT TO RULE 18F-3 

  INTRODUCTION 

   This plan (the "Plan") is adopted pursuant to Rule 18f-3(d) of the 
Investment Company Act of 1940, as amended (the "1940 Act"), and will be 
effective as of July 28, 1997. The Plan relates to shares of the open-end 
investment companies to which Dean Witter InterCapital Inc. acts as 
investment manager, that are listed on Schedule A, as may be amended from 
time to time (each, a "Fund" and collectively, the "Funds"). The Funds are 
distributed pursuant to a system (the "Multiple Class System") in which each 
class of shares (each, a "Class" and collectively, the "Classes") of a Fund 
represents a pro rata interest in the same portfolio of investments of the 
Fund and differs only to the extent outlined below. 

I. DISTRIBUTION ARRANGEMENTS 

   One or more Classes of shares of the Funds are offered for purchase by 
investors with the sales load structures described below. In addition, 
pursuant to Rule 12b-1 under the 1940 Act, the Funds have each adopted a Plan 
of Distribution (the "12b-1 Plan") under which shares of certain Classes are 
subject to the service and/or distribution fees ("12b-1 fees") described 
below. 

   1. Class A Shares 

   Class A shares are offered with a front-end sales load ("FESL"). The 
schedule of sales charges applicable to a Fund and the circumstances under 
which the sales charges are subject to reduction are set forth in each Fund's 
current prospectus. As stated in each Fund's current prospectus, Class A 
shares may be purchased at net asset value (without a FESL): (i) in the case 
of certain large purchases of such shares; and (ii) by certain limited 
categories of investors, in each case, under the circumstances and conditions 
set forth in each Fund's current prospectus. Class A shares purchased at net 
asset value may be subject to a contingent deferred sales charge ("CDSC") on 
redemptions made within one year of purchase. Further information relating to 
the CDSC, including the manner in which it is calculated, is set forth in 
paragraph 6 below. Class A shares are also subject to payments under each 
Fund's 12b-1 Plan to reimburse Dean Witter Distributors Inc., Dean Witter 
Reynolds Inc. ("DWR"), its affiliates and other broker-dealers for 
distribution expenses incurred by them specifically on behalf of the Class, 
assessed at an annual rate of up to 0.25% of average daily net assets. The 
entire amount of the 12b-1 fee represents a service fee within the meaning of 
National Association of Securities Dealers, Inc. ("NASD") guidelines. 

   2. Class B Shares 

   Class B shares are offered without a FESL, but will in most cases be 
subject to a six-year declining CDSC which is calculated in the manner set 
forth in paragraph 6 below. Class B shares purchased by certain qualified 
employer-sponsored benefit plans are subject to a three-year declining CDSC 
which is calculated in the manner set forth in paragraph 6 below. The 
schedule of CDSC charges applicable to each Fund is set forth in each Fund's 
current prospectus. With the exception of certain of the Funds which have a 
different formula described below (Dean Witter American Value Fund, Dean 
Witter Natural Resource Development Securities Inc., Dean Witter Strategist 
Fund and Dean Witter Dividend Growth Securities 

                                1           
<PAGE>

Inc.) (1), Class B shares are also subject to a fee under each Fund's 
respective 12b-1 Plan, assessed at the annual rate of up to 1.0% of either: 
(a) the lesser of (i) the average daily aggregate gross sales of the Fund's 
Class B shares since the inception of the Fund (not including reinvestment of 
dividends or capital gains distributions), less the average daily aggregate 
net asset value of the Fund's Class B shares redeemed since the Fund's 
inception upon which a CDSC has been imposed or waived, or (ii) the average 
daily net assets of Class B; or (b) the average daily net assets of Class B. 
A portion of the 12b-1 fee equal to up to 0.25% of the Fund's average daily 
net assets is characterized as a service fee within the meaning of the NASD 
guidelines and the remaining portion of the 12b-1 fee, if any, is 
characterized as an asset-based sales charge. Also, Class B shares have a 
conversion feature ("Conversion Feature") under which such shares convert to 
Class A shares after a certain holding period. Details of the Conversion 
Feature are set forth in Section IV below. 

   3. Class C Shares 

   Class C shares are offered without imposition of a FESL, but will in most 
cases be subject to a CDSC of 1.0% on redemptions made within one year after 
purchase. Further information relating to the CDSC is set forth in paragraph 
6 below. In addition, Class C shares, under each Fund's 12b-1 Plan, are 
subject to 12b-1 payments to reimburse Dean Witter Distributors Inc., DWR, 
its affiliates and other broker-dealers for distribution expenses incurred by 
them specifically on behalf of the Class, assessed at the annual rate of up 
to 1.0% of the average daily net assets of the Class. A portion of the 12b-1 
fee equal to up to 0.25% of the Fund's average daily net assets is 
characterized as a service fee within the meaning of NASD guidelines. Unlike 
Class B shares, Class C shares do not have the Conversion Feature. 

   4. Class D Shares 

   Class D shares are offered without imposition of a FESL, CDSC or a 12b-1 
fee for purchases of Fund shares by (i) investors meeting an initial minimum 
investment requirement and (ii) certain other limited categories of 
investors, in each case, as may be approved by the Boards of 
Directors/Trustees of the Funds and as disclosed in each Fund's current 
prospectus. 

   5. Additional Classes of Shares 

   The Boards of Directors/Trustees of the Funds have the authority to create 
additional Classes, or change existing Classes, from time to time, in 
accordance with Rule 18f-3 under the 1940 Act. 

   6. Calculation of the CDSC 

   Any applicable CDSC is calculated based upon the lesser of net asset value 
of the shares at the time of purchase or at the time of redemption. The CDSC 
does not apply to amounts representing an increase in share value due to 
capital appreciation and shares acquired through the reinvestment of 
dividends or 

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

(1)The payments under the 12b-1 Plan for each of Dean Witter American Value 
Fund, Dean Witter Natural Resource Development Securities Inc. and Dean 
Witter Dividend Growth Securities Inc. are assessed at the annual rate of 
1.0% of the lesser of: (a) the average daily aggregate gross sales of the 
Fund's Class B shares since the inception of the Fund's Plan (not including 
reinvestment of dividends or capital gains distributions), less the average 
daily aggregate net asset value of the Fund's Class B shares redeemed since 
the Plan's inception upon which a contingent deferred sales charge has been 
imposed or waived, or (b) the average daily net assets of Class B 
attributable to shares issued, net of related shares redeemed, since 
inception of the Plan. The payments under the 12b-1 Plan for the Dean Witter 
Strategist Fund are assessed at the annual rate of: (i) 1% of the lesser of 
(a) the average daily aggregate gross sales of the Fund's Class B shares 
since the effectiveness of the first amendment of the Plan on November 8, 
1989 (not including reinvestment of dividends or capital gains 
distributions), less the average daily aggregate net asset value of the 
Fund's Class B shares redeemed since the effectiveness of the first amended 
Plan, upon which a contingent deferred sales charge has been imposed or 
waived, or (b) the average daily net assets of Class B attributable to shares 
issued, net of related shares redeemed, since the effectiveness of the first 
amended Plan; plus (ii) 0.25% of the average daily net assets of Class B 
attributable to shares issued, net of related shares redeemed, prior to 
effectiveness of the first amended Plan. 
                                2           
<PAGE>
capital gains distributions. The CDSC schedule applicable to a Fund and the 
circumstances in which the CDSC is subject to waiver are set forth in each 
Fund's prospectus. 

II. EXPENSE ALLOCATIONS 

   Expenses incurred by a Fund are allocated among the various Classes of 
shares pro rata based on the net assets of the Fund attributable to each 
Class, except that 12b-1 fees relating to a particular Class are allocated 
directly to that Class. In addition, other expenses associated with a 
particular Class (except advisory or custodial fees), may be allocated 
directly to that Class, provided that such expenses are reasonably identified 
as specifically attributable to that Class and the direct allocation to that 
Class is approved by the Fund's Board of Directors/Trustees. 

III. CLASS DESIGNATION 

   All shares of the Funds held prior to July 28, 1997 (other than the shares 
held by certain employee benefit plans established by DWR and its affiliate, 
SPS Transaction Services, Inc., shares of Funds offered with a FESL, and 
shares of Dean Witter Balanced Growth Fund and Dean Witter Balanced Income 
Fund) have been designated Class B shares. Shares held prior to July 28, 1997 
by such employee benefit plans have been designated Class D shares. Shares 
held prior to July 28, 1997 of Funds offered with a FESL have been designated 
Class D shares. In addition, shares of Dean Witter American Value Fund 
purchased prior to April 30, 1984, shares of Dean Witter Strategist Fund 
purchased prior to November 8, 1989 and shares of Dean Witter Natural 
Resource Development Securities Inc. and Dean Witter Dividend Growth 
Securities Inc. purchased prior to July 2, 1984 (with respect to such shares 
of each Fund, including such proportion of shares acquired through 
reinvestment of dividends and capital gains distributions as the total number 
of shares acquired prior to each of the preceding dates in this sentence 
bears to the total number of shares purchased and owned by the shareholder of 
that Fund) have been designated Class D shares. Shares of Dean Witter 
Balanced Growth Fund and Dean Witter Balanced Income Fund held prior to July 
28, 1997 have been designated Class C shares except that shares of Dean 
Witter Balanced Growth Fund and Dean Witter Balanced Income Fund held prior 
to July 28, 1997 that were acquired in exchange for shares of an investment 
company offered with a CDSC have been designated Class B shares and those 
that were acquired in exchange for shares of an investment company offered 
with a FESL have been designated Class A shares. 

IV. THE CONVERSION FEATURE 

   Class B shares held before May 1, 1997 will convert to Class A shares in 
May, 2007, except that Class B shares which are purchased before July 28, 
1997 by trusts for which Dean Witter Trust Company ("DWTC") or Dean Witter 
Trust FSB ("DWTFSB") provides discretionary trustee services will convert to 
Class A shares on or about August 29, 1997 (the CDSC will not be applicable 
to such shares upon the conversion). In all other instances, Class B shares 
of each Fund will automatically convert to Class A shares, based on the 
relative net asset values of the shares of the two Classes on the conversion 
date, which will be approximately ten (10) years after the date of the 
original purchase. Conversions will be effected once a month. The 10 year 
period will be calculated from the last day of the month in which the shares 
were purchased or, in the case of Class B shares acquired through an exchange 
or a series of exchanges, from the last day of the month in which the 
original Class B shares were purchased, provided that shares originally 
purchased before May 1, 1997 will convert to Class A shares in May, 2007. 
Except as set forth below, the conversion of shares purchased on or after May 
1, 1997 will take place in the month following the tenth anniversary of the 
purchase. There will also be converted at that time such proportion of Class 
B shares acquired through automatic reinvestment of dividends owned by the 
shareholder as the total number of his or her Class B shares converting at 
the time bears to the total number of outstanding Class B shares purchased 
and owned by the shareholder. In the case of Class B shares held by a 401(k) 
plan or other employer-sponsored plan qualified under Section 401(a) of the 
Internal Revenue Code (the "Code") and for which DWTC or DWTFSB serves as 
Trustee or the 401(k) Support Services Group of DWR serves as recordkeeper, 
all Class B shares will convert to Class A shares on the conversion date of 
the first shares of a Fund purchased by that plan. In the case of Class B 
shares previously exchanged 

                                3           
<PAGE>
for shares of an "Exchange Fund" (as such term is defined in the prospectus 
of each Fund), the period of time the shares were held in the Exchange Fund 
(calculated from the last day of the month in which the Exchange Fund shares 
were acquired) is excluded from the holding period for conversion. If those 
shares are subsequently re-exchanged for Class B shares of a Fund, the 
holding period resumes on the last day of the month in which Class B shares 
are reacquired. 

   Effectiveness of the Conversion Feature is subject to the continuing 
availability of a ruling of the Internal Revenue Service or an opinion of 
counsel to the effect that (i) the conversion of shares does not constitute a 
taxable event under the Code; (ii) Class A shares received on conversion will 
have a basis equal to the shareholder's basis in the converted Class B shares 
immediately prior to the conversion; and (iii) Class A shares received on 
conversion will have a holding period that includes the holding period of the 
converted Class B shares. The Conversion Feature may be suspended if the 
Ruling or opinion is no longer available. In such event, Class B shares would 
continue to be subject to Class B fees under the applicable Fund's 12b-1 
Plan. 

V. EXCHANGE PRIVILEGES 

   Shares of each Class may be exchanged for shares of the same Class of the 
other Funds and for shares of certain other investment companies without the 
imposition of an exchange fee as described in the prospectuses and statements 
of additional information of the Funds. The exchange privilege of each Fund 
may be terminated or revised at any time by the Fund upon such notice as may 
be required by applicable regulatory agencies as described in each Fund's 
prospectus. 

VI. VOTING 

   Each Class shall have exclusive voting rights on any matter that relates 
solely to its 12b-1 Plan, except that Class B shareholders will have the 
right to vote on any proposed material increase in Class A's expenses, 
including payments under the Class A 12b-1 Plan, if such proposal is 
submitted separately to Class A shareholders. If the amount of expenses, 
including payments under the Class A 12b-1 Plan, is increased materially 
without the approval of Class B shareholders, the Fund will establish a new 
Class A for Class B shareholders whose shares automatically convert on the 
same terms as applied to Class A before the increase. In addition, each Class 
shall have separate voting rights on any matter submitted to shareholders in 
which the interests of one Class differ from the interests of any other 
Class. 

                                4           
<PAGE>
                              DEAN WITTER FUNDS 
                  MULTIPLE CLASS PLAN PURSUANT TO RULE 18F-3 
                                  SCHEDULE A 
                               AT JULY 28, 1997 

1)       Dean Witter American Value Fund
2)       Dean Witter Balanced Growth Fund
3)       Dean Witter Balanced Income Fund
4)       Dean Witter California Tax-Free Income Fund
5)       Dean Witter Capital Appreciation Fund
6)       Dean Witter Capital Growth Securities
7)       Dean Witter Convertible Securities Trust
8)       Dean Witter Developing Growth Securities Trust
9)       Dean Witter Diversified Income Trust
10)      Dean Witter Dividend Growth Securities Inc.
11)      Dean Witter European Growth Fund Inc.
12)      Dean Witter Federal Securities Trust
13)      Dean Witter Financial Services Trust
14)      Dean Witter Global Asset Allocation Fund
15)      Dean Witter Global Dividend Growth Securities
16)      Dean Witter Global Utilities Fund
17)      Dean Witter Health Sciences Trust
18)      Dean Witter High Yield Securities Inc.
19)      Dean Witter Income Builder Fund
20)      Dean Witter Information Fund
21)      Dean Witter Intermediate Income Securities
22)      Dean Witter International SmallCap Fund
23)      Dean Witter Japan Fund
24)      Dean Witter Managers' Select Fund
25)      Dean Witter Market Leader Trust
26)      Dean Witter Mid-Cap Growth Fund
27)      Dean Witter Natural Resource Development Securities Inc.
28)      Dean Witter New York Tax-Free Income Fund
29)      Dean Witter Pacific Growth Fund Inc.
30)      Dean Witter Precious Metals and Minerals Trust
31)      Dean Witter Special Value Fund
32)      Dean Witter Strategist Fund
33)      Dean Witter Tax-Exempt Securities Trust
34)      Dean Witter U.S. Government Securities Trust
35)      Dean Witter Utilities Fund
36)      Dean Witter Value-Added Market Series/Equity Portfolio
37)      Dean Witter World Wide Income Trust
38)      Dean Witter World Wide Investment Trust

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