MORGAN STANLEY DEAN WITTER & CO
424B3, 2000-12-29
FINANCE SERVICES
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PROSPECTUS Dated May 18, 2000                     Pricing Supplement No. 48 to
PROSPECTUS SUPPLEMENT                     Registration Statement No. 333-34392
Dated May 18, 2000                                     Dated December 21, 2000
                                                                Rule 424(b)(3)

                                  $26,865,006
                       Morgan Stanley Dean Witter & Co.
                          MEDIUM-TERM NOTES, SERIES C
                            Senior Fixed Rate Notes

                                   ---------

                     8% Reset PERQS due February 28, 2003
          Mandatorily Exchangeable For American Depositary Receipts
                        Representing Ordinary Shares of
                               NOKIA CORPORATION

      Reset Performance Equity-linked Redemption Quarterly-pay Securities(SM)
                                 ("Reset PERQS(SM)")

The Reset PERQS will pay 8% interest per year but do not guarantee any return
of principal at maturity. Instead the Reset PERQS will pay at maturity a
number of American Depositary Receipts representing ordinary shares of Nokia
Corporation, which we refer to as Nokia ADRs, based on the closing prices of
Nokia ADRs on February 28, 2002 and at maturity, in each case subject to a cap
price.

o    The principal amount and issue price of each Reset PERQS is $7.9875, which
     is one-fifth of the closing price of Nokia ADRs on December 21, 2000, the
     day we offered the Reset PERQS for initial sale to the public.

o    We will pay 8% interest (equivalent to $.639 per year) on the $7.9875
     principal amount of each Reset PERQS. Interest will be paid quarterly,
     beginning February 28, 2001.

o    At maturity you will receive a number of Nokia ADRs in exchange for each
     Reset PERQS at an exchange ratio. The initial exchange ratio is one-fifth
     of a Nokia ADR per Reset PERQS. However, if the price of Nokia ADRs
     appreciates above the first year cap price for February 28, 2002 or the
     second year cap price for February 26, 2003, the exchange ratio will be
     adjusted downward, and you will receive a number of Nokia ADRs per Reset
     PERQS that is less than one-fifth of a Nokia ADR.

o    The first year cap price is $54.12, or 135.51% of the closing price of
     Nokia ADRs on December 21, 2000, the day we offered the Reset PERQS for
     initial sale to the public. If on February 28, 2002, the closing price of
     Nokia ADRs is higher than the closing price of Nokia ADRs on December 21,
     2000, we will raise the cap price to 135.50% of the closing price of Nokia
     ADRs on February 28, 2002. Otherwise the cap price will remain unchanged
     in the second year. The maximum you can receive at maturity is Nokia ADRs
     worth $14.67 per Reset PERQS.

o    Investing in Reset PERQS is not equivalent to investing in Nokia ADRs or
     ordinary shares of Nokia Corporation.

o    Nokia Corporation is not involved in this offering of Reset PERQS in any
     way and will have no obligation of any kind with respect to the Reset
     PERQS.

o    The Reset PERQS have been approved for listing on the American Stock
     Exchange LLC, subject to official notice of issuance. The AMEX listing
     symbol for the Reset PERQS is "RPN."

You should read the more detailed description of the Reset PERQS in this
pricing supplement. In particular, you should review and understand the
descriptions in"Summary of Pricing Supplement" and "Description of Reset
PERQS."

The Reset PERQS are riskier than ordinary debt securities. See "Risk Factors"
beginning on PS-6.
                          ---------------------------
                         PRICE $7.9875 PER RESET PERQS
                          ---------------------------

                          Price to            Agent's         Proceeds to
                          Public(1)         Commissions        Company(1)
                          --------        -----------        ----------
Per Reset PERQS...      $7.9875             $0.12            $7.8675
Total.............  $26,865,005.74      $403,605.72      $26,461,400.02

---------
(1)   Plus accrued interest, if any, from the Original Issue Date.


If you purchase at least 100,000 Reset PERQS in any single transaction and you
comply with the holding period requirement described under "Supplemental
Information Concerning Plan of Distribution" in this pricing supplement, the
price will be $7.8676875 per Reset PERQS (98.50% of the Issue Price). In that
case, the underwriting discounts and commissions will be $.0001875 per Reset
PERQS.

                           MORGAN STANLEY DEAN WITTER
<PAGE>





                     (This page intentionally left blank)






                                     PS-2
<PAGE>


                         SUMMARY OF PRICING SUPPLEMENT

     The following summary describes the Reset PERQS we are offering to you in
general terms only. You should read the summary together with the more detailed
information that is contained in the rest of this pricing supplement and in the
accompanying prospectus and prospectus supplement. You should carefully
consider, among other things, the matters set forth in "Risk Factors."

     The Reset PERQS offered are medium-term debt securities of Morgan Stanley
Dean Witter & Co. The return on the Reset PERQS is linked to the performance of
the American Depositary Receipts representing ordinary shares of Nokia
Corporation, which we refer to as Nokia ADRs. The Reset PERQS also provide
fixed quarterly payments at an annual rate of 8% based on the principal amount
of each Reset PERQS. Unlike ordinary debt securities, Reset PERQS do not
guarantee the return of principal at maturity. Instead the Reset PERQS pay a
number of Nokia ADRs at maturity based on the performance of the Nokia ADRs,
either up or down, subject to a maximum value in each year. We may not redeem
the Reset PERQS prior to maturity.

     "Performance Equity-linked Redemption Quarterly-pay Securities" and
"PERQS" are our service marks.

<TABLE>
<S>                        <C>
Each Reset PERQS           We, Morgan Stanley Dean Witter & Co., are offering 8% Reset Performance Equity-
costs $7.9875              linked Redemption Quarterly-pay Securities[SM] due February 28, 2003, which we refer
                           to as the Reset PERQS[SM], which are exchangeable for Nokia ADRs. Each American
                           Depositary Receipt evidences the American Depositary shares of Nokia Corporation,
                           and represents one (1) ordinary share, nominal value 0.24, of Nokia Corporation. The
                           principal amount and issue price of each Reset PERQS is $7.9875, which is one-fifth
                           of the closing price of a Nokia ADR on December 21, 2000, the day we offered the
                           Reset PERQS for initial sale to the public.

No guaranteed              Unlike ordinary debt securities, the Reset PERQS do not guarantee any return of
return of principal        principal at maturity. Instead the Reset PERQS will pay an amount of Nokia ADRs
                           based on the market price of Nokia ADRs, either up or down, on February 28, 2002 and
                           at maturity, in each case subject to a cap price. Investing in Reset PERQS is not
                           equivalent to investing in Nokia ADRs.

8% interest on the         We will pay interest on the Reset PERQS, at the rate of 8% of the principal amount per
principal amount           year, quarterly on each February 28, May 30, August 30 and November 30, beginning
                           February 28, 2001. The interest rate we pay on the Reset PERQS is more than the
                           current dividend rate on Nokia ADRs. The Reset PERQS will mature on February 28,
                           2003.

Your appreciation          The appreciation potential of each Reset PERQS is limited in each year by the cap price.
potential is capped        The cap price through February 28, 2002 is $54.12, or 135.51% of the closing price of
                           Nokia ADRs on December 21, 2000, the day we offered the Reset PERQS for initial
                           sale to the public ("First Year Cap Price"). The cap price thereafter until maturity
                           ("Second Year Cap Price") will be the higher of 135.50% of the closing price of Nokia
                           ADRs on February 28, 2002 and the First Year Cap Price. The maximum you can
                           receive at maturity is Nokia ADRs worth $14.67 per Reset PERQS.

Payout at maturity         At maturity, for each $7.9875 principal amount of Reset PERQS you hold, we will give
                           to you a number of Nokia ADRs equal to the exchange ratio. The initial exchange ratio
                           is one-fifth of a Nokia ADR per Reset PERQS and may be adjusted as follows:

                                                        First Year Adjustment

                              The exchange ratio will be adjusted downward if the market price of Nokia ADRs
                              exceeds the First Year Cap Price on February 28, 2002.

                              The adjusted exchange ratio will be calculated as follows:

                              New Exchange = Initial Exchange x            First Year Cap Price
                                 Ratio           Ratio          ---------------------------------------------
                                                                Nokia ADRs closing price on February 28, 2002


                                     PS-3
<PAGE>


                             If the market price of Nokia ADRs on February 28, 2002 is the same as or less than
                             the First Year Cap Price, we will not adjust the exchange ratio at that time.

                                                        Second Year Adjustment

                             The exchange ratio may be adjusted downward again at maturity, but only if the
                             market price of Nokia ADRs at maturity exceeds the Second Year Cap Price. The
                             final exchange ratio will then be calculated as follows:

                             Final Exchange = Existing Exchange x        Second Year Cap Price
                                 Ratio              Ratio         ------------------------------------
                                                                  Nokia ADRs closing price at maturity

                             If the market price of Nokia ADRs at maturity is the same as or less than the Second
                             Year Cap Price, we will not adjust the Exchange Ratio at maturity.

                           On the next page, we have provided a table titled "Hypothetical Payouts on the Reset
                           PERQS." The table demonstrates the effect of these adjustments to the exchange ratio
                           under a variety of hypothetical price scenarios. You should examine the table for
                           examples of how the payout on the Reset PERQS could be affected under these or other
                           potential price scenarios. This table does not show every situation that may occur.

                           You can review the prices of Nokia ADRs for the last three years in the "Historical
                           Information" section of this pricing supplement.

                           During the life of the Reset PERQS, Morgan Stanley & Co. Incorporated or its
                           successors, which we refer to as MS & Co., acting as calculation agent, will also make
                           adjustments to the effective exchange ratio to reflect the occurrence of certain corporate
                           events that could affect the market price of Nokia ADRs. You should read about these
                           adjustments in the sections called "Description of Reset PERQS--Exchange at
                           Maturity," "--Exchange Factor" and "--Antidilution Adjustments."

MS & Co. will be the       We have appointed our affiliate MS & Co. to act as calculation agent for The Chase
Calculation Agent          Manhattan Bank, the trustee for our senior notes. As calculation agent, MS & Co. will
                           determine the exchange ratio and the cap prices and calculate the amount of Nokia
                           ADRs that you will receive at maturity.

No affiliation with        Nokia Corporation is not an affiliate of ours and is not involved with this offering in any
Nokia Corporation          way. The obligations represented by the Reset PERQS are obligations of Morgan
                           Stanley Dean Witter & Co. and not of Nokia Corporation.

Where you can find more    The Reset PERQS are senior notes issued as part of our Series C medium-term note
information on the Reset   program. You can find a general description of our Series C medium-term note program
PERQS                      in the accompanying prospectus supplement dated May 18, 2000. We describe the
                           basic features of this type of note in the sections called "Description of Notes--Fixed
                           Rate Notes" and "--Exchangeable Notes."

                           For a detailed description of terms of the Reset PERQS, including the specific
                           mechanics and timing of the exchange ratio adjustments, you should read the
                           "Description of Reset PERQS" section in this pricing supplement. You should also
                           read about some of the risks involved in investing in Reset PERQS in the section
                           called "Risk Factors."  The tax and accounting treatment of investments in equity-
                           linked notes such as the Reset PERQS may differ from that of investments in
                           ordinary debt securities or ADRs. We urge you to consult with your investment,
                           legal, tax, accounting and other advisors with regard to any proposed or actual
                           investment in the Reset PERQS.

How to reach us            You may contact us at our principal executive offices at 1585 Broadway, New York,
                           New York 10036 (telephone number (212) 761-4000).
</TABLE>


                                     PS-4
<PAGE>


                    HYPOTHETICAL PAYOUTS ON THE RESET PERQS

     For each Reset PERQS, the following table illustrates, for a range of
First Year Closing Prices and Maturity Prices, any adjustments we would make to
the Exchange Ratio and the Second Year Cap Price and the resulting payout at
maturity and total return on each Reset PERQS.

<TABLE>
               Initial Price                   Initial                                    02/28/02
Illustration      of Reset     Initial Nokia   Exchange   First Year     First Year       Exchange
   Number          PERQS         ADR Price      Ratio     Cap Price    Closing Price(1)    Ratio
------------   -------------   -------------   --------   ----------   ---------------    --------
<S>               <C>            <C>           <C>         <C>             <C>            <C>
     1            $7.9875        $39.9375      0.20000     $54.12          $20.00         0.20000
     2            $7.9875        $39.9375      0.20000     $54.12          $20.00         0.20000
     3            $7.9875        $39.9375      0.20000     $54.12          $20.00         0.20000
     4            $7.9875        $39.9375      0.20000     $54.12          $45.00         0.20000
     5            $7.9875        $39.9375      0.20000     $54.12          $45.00         0.20000
     6            $7.9875        $39.9375      0.20000     $54.12          $45.00         0.20000
     7            $7.9875        $39.9375      0.20000     $54.12          $65.00         0.16652
     8            $7.9875        $39.9375      0.20000     $54.12          $65.00         0.16652
     9            $7.9875        $39.9375      0.20000     $54.12          $65.00         0.16652
     10           $7.9875        $39.9375      0.20000     $54.12          $54.12         0.20000
                                                              ^
                                                              |
                                                           135.51%
                                                         of Initial
                                                         Nokia ADR
                                                           Price


(table continued)

                                                                   Reset PERQS        Reset PERQS
                                                   Exchange    Payout at Maturity      Payout at
Illustration   Second Year                          Ratio      Based on Nokia ADRs   Maturity plus
   Number       Cap Price    Maturity Price(1)   at Maturity          Price            8% Coupon
------------   -----------   ----------------    -----------   -------------------   -------------
<S>              <C>            <C>                <C>                <C>                <C>
     1           $54.1200       $10.0000           0.20000             $2.00              $3.39
     2           $54.1200       $45.0000           0.20000             $9.00             $10.39
     3           $54.1200       $70.0000           0.15463            $10.82             $12.21
     4           $60.9750       $35.0000           0.20000             $7.00              $8.39
     5           $60.9750       $55.0000           0.20000            $11.00             $12.39
     6           $60.9750       $85.0000           0.14347            $12.19             $13.58
     7           $88.0750       $35.0000           0.16652             $5.83              $7.22
     8           $88.0750       $75.0000           0.16652            $12.49             $13.88
     9           $88.0750      $100.0000           0.14666            $14.67             $16.06
     10          $73.3326       $73.3326           0.20000            $14.67             $16.06
                    ^                                                    ^
                    |                                                    |
             Greater of (x)                                      Maturity Price times
            135.50% of First                                      Adjusted Exchange
              Year Closing                                             Ratio
          Price and (y) First
            Year Cap Price
</TABLE>

     The above table illustrates an important feature of the Reset PERQS - the
payout at maturity is not determined merely by the price of Nokia ADRs at
maturity, but will depend on the timing and magnitude of changes in the Nokia
ADR price. For example, in both the fourth and seventh illustrations shown
above, the Maturity Price is $35.00, but in the seventh illustration the Payout
at Maturity is $7.22 compared to $8.39 in the fourth illustration. The
difference in the seventh illustration arises because the First Year Closing
Price exceeded the First Year Cap Price, resulting in a downward adjustment in
the Second Year Exchange Ratio. Similarly, in both the ninth and tenth
illustrations, the Payout at Maturity is $16.06, but in the ninth illustration,
the Maturity Price had to equal or exceed $100.00 to produce that payout, while
in the tenth illustration, a Maturity Price of only $73.3326 was required.

---------
1. The First Year Closing Price and the Maturity Price do not include any
   dividend payments that may have been paid to holders of Nokia ADRs.


                                     PS-5
<PAGE>


                                  RISK FACTORS

     The Reset PERQS are not secured debt and are riskier than ordinary debt
securities. Because the return to investors is linked to the performance of
Nokia ADRs, there is no guaranteed return of principal. Investing in Reset
PERQS is not equivalent to investing directly in Nokia ADRs. This section
describes the most significant risks relating to the Reset PERQS. You should
carefully consider whether the Reset PERQS are suited to your particular
circumstances before you decide to purchase them.

<TABLE>
<S>                                     <C>
Reset PERQS Are Not                     The Reset PERQS combine features of equity and debt. The terms of the Reset
Ordinary Senior Notes --                PERQS differ from those of ordinary debt securities in that we will not pay you a
No Guaranteed Return of                 fixed amount at maturity. Our payout to you at maturity will be a number of
Principal                               Nokia ADRs based on the market price of Nokia ADRs on February 28, 2002
                                        and at maturity. If the final market price of Nokia ADRs at maturity is either
                                        less than today's market price or not sufficiently above today's market price
                                        to compensate for a downward adjustment of the exchange ratio, if any, at
                                        February 28, 2002, we will pay you an amount of Nokia ADRs with a value
                                        less than the principal amount of the Reset PERQS. See "Hypothetical
                                        Payouts on the Reset PERQS" above.

Your Appreciation                       The appreciation potential of the Reset PERQS is limited because of the cap
Potential Is Limited                    prices. Even though the $7.9875 issue price of one Reset PERQS is equal to
                                        today's market price of a Nokia ADR multiplied by the initial exchange ratio,
                                        you may receive a lesser fractional amount of Nokia ADRs per Reset PERQS at
                                        maturity if the initial exchange ratio of one-fifth of a share has been adjusted
                                        downwards. If the price of Nokia ADRs appreciates above both the cap price for
                                        February 28, 2002 and the cap price for February 26, 2003, the initial exchange
                                        ratio of one-fifth of a Nokia ADR per Reset PERQS will be reduced twice.

                                        The exchange ratio and the final market price of Nokia ADRs at maturity will be
                                        determined on February 26, 2003,  which is two trading days prior to maturity of
                                        the Reset PERQS. If the price of Nokia ADRs is lower on the actual maturity
                                        date than it was on February 26, 2003, the value of any Nokia ADRs you receive
                                        will be less. Under no circumstances will you receive an amount of Nokia ADRs
                                        for each Reset PERQS worth more than $14.67 as of February 26, 2003.

Secondary Trading                       There may be little or no secondary market for the Reset PERQS. Although the
May Be Limited                          Reset PERQS have been approved for listing on the American Stock Exchange
                                        LLC, which we refer to as the AMEX, it is not possible to predict whether the
                                        Reset PERQS will trade in the secondary market. Even if there is a secondary
                                        market, it may not provide significant liquidity. MS & Co. currently intends to
                                        act as a market maker for Reset PERQS but is not required to do so.

Market Price of the Reset               Several factors, many of which are beyond our control, will influence the value
PERQS Influenced by Many                of the Reset PERQS. We expect that generally the market price of Nokia
Unpredictable Factors                   ADRs and Nokia ordinary shares on any day will affect the value of the
                                        Reset PERQS more than any other factors. However, because adjustments to
                                        the exchange ratio for the Reset PERQS are tied to the closing prices of Nokia
                                        ADRs on two specific days, the Reset PERQS may trade differently from Nokia
                                        ADRs and from Nokia ordinary shares. Other factors that may influence the
                                        value of the Reset PERQS include:

                                        o  the volatility (frequency and magnitude of changes in price) of Nokia ADRs
                                           and Nokia ordinary shares

                                        o  the dividend rate on Nokia ADRs and Nokia ordinary shares


                                     PS-6
<PAGE>


                                        o  economic, financial, political, regulatory or judicial events that affect stock
                                           markets generally and which may affect the market price of Nokia ADRs

                                        o  interest and yield rates in the market

                                        o  the time remaining to the maturity of the Reset PERQS

                                        o  our creditworthiness

                                        Some or all of these factors will influence the price you will receive if you sell
                                        your Reset PERQS prior to maturity. For example, you may have to sell your
                                        Reset PERQS at a substantial discount from the principal amount if the market
                                        price of Nokia ADRs is at, below, or not sufficiently above the initial market
                                        price.

                                        You cannot predict the future performance of Nokia ADRs or Nokia ordinary
                                        shares based on their historical performance. The price of Nokia ADRs may
                                        decrease so that you will receive at maturity shares of Nokia ADRs worth less
                                        than the principal amount of the Reset PERQS. We cannot guarantee that the
                                        price of Nokia ADRs will increase so that you will receive at maturity an amount
                                        in excess of the principal amount of the Reset PERQS.

These Reset PERQS are also              Nokia ADRs, which are quoted and traded in U.S. dollars, may trade differently
subject to currency exchange            from Nokia ordinary shares, which are quoted and traded in euros. Fluctuations
rate risk                               in the exchange rate between the euro and the U.S. dollar may affect the U.S.
                                        dollar equivalent of the euro price of Nokia ordinary shares on the Helsinki Stock
                                        Exchange and the other European stock exchanges where Nokia ordinary shares
                                        trade and, as a result, may affect the market price of the Nokia ADRs, which may
                                        consequently affect the market value of the Reset PERQS. See "Description of
                                        Notes--Currency Exchange Rate Information" below.

                                        The euro has been subject to declines and fluctuations against the U.S. dollar
                                        since it first became the single currency of participating member states of the
                                        European Union on January 1, 1999 at the commencement of the third stage of
                                        European Economic and Monetary Union, and may be subject to significant
                                        fluctuations in the future. Previous fluctuations or periods of relative stability in
                                        the exchange rate of the euro and the U.S. dollar are not necessarily indicative of
                                        fluctuations or periods of relative stability in those rates that may occur over the
                                        term of the Reset PERQS.

                                        The exchange rate between the euro and U.S. dollars is the result of the supply
                                        of, and the demand for, those currencies. Changes in the exchange rates result
                                        over time from the interaction of many factors directly or indirectly affecting
                                        economic and political conditions in Europe as a whole and the United States of
                                        America, including economic and political developments in other countries.

No Affiliation with                     We are not affiliated with Nokia Corporation or the depositary for the Nokia
Nokia Corporation                       ADRs. Although we do not have any non-public information about Nokia
                                        Corporation as of the date of this pricing supplement, we or our subsidiaries may
                                        presently or from time to time engage in business with Nokia Corporation,
                                        including extending loans to, or making equity investments in, Nokia
                                        Corporation  or providing advisory services to Nokia Corporation, including
                                        merger and acquisition advisory services. Moreover, we have no ability to


                                     PS-7
<PAGE>


                                        control or predict the actions of Nokia Corporation, including any corporate
                                        actions of the type that would require the calculation agent to adjust the payout to
                                        you at maturity. Nokia Corporation is not involved in the offering of the Reset
                                        PERQS in any way and has no obligation to consider your interest as an owner of
                                        Reset PERQS in taking any corporate actions that might affect the value of your
                                        Reset PERQS. None of the money you pay for the Reset PERQS will go to
                                        Nokia Corporation.

You Have No                             As an owner of Reset PERQS, you will not have voting rights or rights to receive
Shareholder Rights                      dividends or other distributions or any other rights with respect to Nokia ADRs
                                        prior to the time you receive Nokia ADRs at the maturity of the Reset PERQS.
                                        Holders of the Nokia ADRs participate in the dividends, distributions and other
                                        rights with respect to the Nokia ordinary shares only to the extent provided in the
                                        depositary arrangements between Nokia and the depositary for the Nokia ADRs.

The Antidilution                        MS & Co., as calculation agent, will adjust the amount payable at maturity for
Adjustments We Are                      certain events affecting Nokia ADRs or Nokia ordinary shares, such as stock
Required to Make Do Not                 splits and stock dividends, and certain other corporate actions involving Nokia
Cover Every Corporate                   Corporation, such as mergers. However, the calculation agent is not required to
Event that Can Affect Nokia             make an adjustment for every corporate event that can affect Nokia ADRs or
ADRs                                    Nokia ordinary shares. For example, the calculation agent is not required to
                                        make any adjustments if Nokia Corporation or anyone else makes a partial tender
                                        or partial exchange offer for Nokia ADRs or Nokia ordinary shares. If an event
                                        occurs that does not require the calculation agent to adjust the amount of Nokia
                                        ADRs payable at maturity, the market price of the Reset PERQS may be
                                        materially and adversely affected.

Potential Conflicts of Interest         As calculation agent, our affiliate MS & Co. will calculate the payout to you at
Between You and the                     maturity of the Reset PERQS. MS & Co. and other affiliates may also carry out
Calculation Agent                       hedging activities related to the Reset PERQS or to other instruments, including
                                        trading in Nokia ADRs or Nokia ordinary shares as well as in other instruments
                                        related to Nokia ADRs or Nokia ordinary shares. MS & Co. and some of our
                                        subsidiaries also trade Nokia ADRs or Nokia ordinary shares and other financial
                                        instruments related to Nokia ADRs or Nokia ordinary shares on a regular basis as
                                        part of their general broker-dealer businesses. Any of these activities could
                                        influence MS & Co.'s determination of adjustments made to the Reset PERQS
                                        and any such trading activity could potentially affect the price of Nokia ADRs or
                                        Nokia ordinary shares and, accordingly, could affect your payout on the Reset
                                        PERQS.


                                     PS-8
<PAGE>


Because the Characterization            You should also consider the tax consequences of investing in the Reset PERQS.
of the Reset PERQS for                  There is no direct legal authority as to the proper tax treatment of the Reset
Federal Income Tax Purposes             PERQS, and therefore significant aspects of the tax treatment of the Reset
Is Uncertain, the Material              PERQS are uncertain. Pursuant to the terms of the Reset PERQS, MSDW and
Federal Income Tax                      you agree to treat a Reset PERQS as an investment unit consisting of (i) a
Consequences of an                      forward contract pursuant to which you agree to purchase Nokia ADRs from us
Investment in the Reset                 at maturity and (ii) a deposit with us of a fixed amount of cash to secure your
PERQS Are Uncertain                     obligation under the forward contract, as described in "Description of Reset
                                        PERQS--United States Federal Income Taxation--General."  If the Internal
                                        Revenue Service were successful in asserting an alternative characterization for
                                        the Reset PERQS, the timing and character of income on the Reset PERQS, and
                                        your basis for Nokia ADRs received in exchange for the Reset PERQS, may
                                        differ. We do not plan to request a ruling from the Internal Revenue Service (the
                                        "IRS") regarding the tax treatment of the Reset PERQS, and the IRS or a court
                                        may not agree with the tax treatment described in this pricing supplement.
                                        Please read carefully the section "Description of Reset PERQS--United States
                                        Federal Income Taxation" in this pricing supplement.
</TABLE>


                                     PS-9
<PAGE>


                           DESCRIPTION OF RESET PERQS

               Terms not defined herein have the meanings given to such terms
in the accompanying prospectus supplement. The term "Reset PERQS" refers to
each $7.9875 principal amount of our 8% Reset PERQS due February 28, 2003,
Mandatorily Exchangeable for ADRs of Nokia Corporation  In this pricing
supplement, the terms "MSDW," "we," "us" and "our" refer to Morgan Stanley
Dean Witter & Co.

Principal Amount..............   $26,865,005.74

Maturity Date.................   February 28, 2003

Interest Rate.................   8% per annum (equivalent to $0.639 per annum
                                 per Reset PERQS)

Interest Payment Dates........   Each February 28, May 30, August 30 and
                                 November 30, beginning February 28, 2001.

Record Date...................   The Record Date for each Interest Payment
                                 Date, including the Maturity Date, will be
                                 the date 15 calendar days prior to such
                                 Interest Payment Date, whether or not that
                                 date is a Business Day.

Specified Currency............   U.S. Dollars

Issue Price...................   $7.9875 per Reset PERQS

Initial Nokia ADR Price.......   $39.9375

Original Issue Date
(Settlement Date).............   December 27, 2000

CUSIP.........................   61744Y678

Denominations.................   $7.9875 and integral multiples thereof

First Year Cap Price..........   $54.12 (135.51% of the Initial Nokia ADR Price)

First Year Determination Date.   February 28, 2002 (or if such date is not an
                                 Exchange Trading Day on which no Market
                                 Disruption Event occurs, the immediately
                                 succeeding Exchange Trading Day on which no
                                 Market Disruption Event occurs).

First Year Closing Price......   First Year Closing Price means the product of
                                 (i) the Market Price of one Nokia ADR and
                                 (ii) the Exchange Factor, each determined as
                                 of the First Year Determination Date.

Second Year Cap Price.........   Second Year Cap Price means the greater of
                                 (x) 135.50% of the First Year Closing Price
                                 and (y) the First Year Cap Price. See
                                 "Exchange at Maturity" below.

Maturity Price................   Maturity Price means the product of (i) the
                                 Market Price of one Nokia ADR and (ii) the
                                 Exchange Factor, each determined as of the
                                 second scheduled Exchange Trading Day
                                 immediately prior to maturity.

Exchange at Maturity..........   At maturity, upon delivery of each Reset
                                 PERQS to the Trustee, we will apply each
                                 $7.9875 principal amount of such Reset PERQS
                                 as payment for a number of Nokia ADRs at the
                                 Exchange Ratio. The Exchange Ratio,
                                 initially set at 0.20, is subject to
                                 adjustment on the First Year Determination
                                 Date and at maturity in order to cap the


                                     PS-10
<PAGE>


                                 value of Nokia ADRs to be received upon
                                 delivery of the Reset PERQS at $14.67 per
                                 Reset PERQS (183.66% of the Issue Price).
                                 Solely for purposes of adjustment upon the
                                 occurrence of certain corporate events, the
                                 number of Nokia ADRs to be delivered at
                                 maturity will also be adjusted by an Exchange
                                 Factor, initially set at 1.0. See "Exchange
                                 Factor" and "Antidilution Adjustments" below.

                                 If the First Year Closing Price is less than
                                 or equal to the First Year Cap Price, no
                                 adjustment to the Exchange Ratio will be made
                                 at such time. If the First Year Closing
                                 Price exceeds the First Year Cap Price, the
                                 Exchange Ratio will be adjusted so that the
                                 new Exchange Ratio will equal the product of
                                 (i) the existing Exchange Ratio and (ii) a
                                 fraction the numerator of which will be the
                                 First Year Cap Price and the denominator of
                                 which will be the First Year Closing Price.
                                 In addition, on the First Year Determination
                                 Date, the Calculation Agent will establish
                                 the "Second Year Cap Price," which will be
                                 equal to the greater of (x) 135.50% of the
                                 First Year Closing Price and (y) the First
                                 Year Cap Price. Notice of the Second Year
                                 Cap Price and of any such adjustment to the
                                 Exchange Ratio shall promptly be sent by
                                 first-class mail to The Depository Trust
                                 Company, New York, New York (the "Depositary").
                                 If the Maturity Price is less than or equal to
                                 the Second Year Cap Price, no further
                                 adjustment to the Exchange Ratio will be made.
                                 If the Maturity Price exceeds the Second Year
                                 Cap Price, the then existing Exchange Ratio
                                 will be adjusted so that the final Exchange
                                 Ratio will equal the product of (i) the
                                 existing Exchange Ratio and (ii) a fraction
                                 the numerator of which will be the Second Year
                                 Cap Price and the denominator of which will be
                                 the Maturity Price. Please review each example
                                 in the table called "Hypothetical Payouts on
                                 the Reset PERQS" on PS-5.

                                 All calculations with respect to the Exchange
                                 Ratios for the Reset PERQS will be rounded to
                                 the nearest one hundred-thousandth, with five
                                 one-millionths rounded upwards (e.g., .876545
                                 would be rounded to .87655); all calculations
                                 with respect to the Second Year Cap Price will
                                 be rounded to the nearest ten-thousandth, with
                                 five one-hundred-thousandths rounded upwards
                                 (e.g., $12.34565 would be rounded to
                                 $12.3457); and all dollar amounts related to
                                 payouts at maturity resulting from such
                                 calculations will be rounded to the nearest
                                 cent with one-half cent being rounded upwards.

                                 We shall, or shall cause the Calculation
                                 Agent to, (i) provide written notice to the
                                 Trustee and to the Depositary, on or prior to
                                 10:30 a.m. on the Exchange Trading Day
                                 immediately prior to maturity of the Reset
                                 PERQS, of the amount of Nokia ADRs to be
                                 delivered with respect to each $7.9875
                                 principal amount of the Reset PERQS and (ii)
                                 deliver such Nokia ADRs (and cash in respect
                                 of interest and any fractional Nokia ADRs) to
                                 the Trustee for delivery to the holders. The
                                 Calculation Agent shall determine the
                                 Exchange Ratio applicable at the maturity of
                                 the Reset PERQS and calculate the Exchange
                                 Factor.

No Fractional ADRs............   Upon delivery of the Reset PERQS to the
                                 Trustee at maturity (including as a result of
                                 acceleration under the terms of the senior
                                 indenture), we will deliver the aggregate
                                 number of Nokia ADRs due with respect to all
                                 of such Reset PERQS, as described above, but
                                 we will pay cash in lieu of delivering any
                                 fractional Nokia ADR in an


                                     PS-11
<PAGE>


                                 amount equal to the corresponding fractional
                                 Market Price of such fraction of a Nokia ADR
                                 as determined by the Calculation Agent as of
                                 the second scheduled Exchange Trading Day
                                 prior to maturity of the Reset PERQS.

Exchange Factor...............   The Exchange Factor will be set initially at
                                 1.0, but will be subject to adjustment upon
                                 the occurrence of certain corporate events
                                 affecting Nokia ADRs through and including
                                 the second scheduled Exchange Trading Day
                                 immediately prior to maturity. See
                                 "Antidilution Adjustments" below.

Market Price..................   If Nokia ADRs (or any other security for
                                 which a Market Price must be determined) are
                                 listed on a national securities exchange, are
                                 securities of the Nasdaq National Market or
                                 are included in the OTC Bulletin Board
                                 Service ("OTC Bulletin Board") operated by the
                                 National Association of Securities Dealers,
                                 Inc. (the "NASD"), the Market Price for one
                                 Nokia ADR (or one unit of any such other
                                 security) on any Exchange Trading Day means
                                 (i) the last reported sale price, regular
                                 way, of the principal trading session on such
                                 day on the principal United States securities
                                 exchange registered under the Securities
                                 Exchange Act of 1934, as amended (the
                                 "Exchange Act"), on which Nokia ADRs (or any
                                 such other security) are listed or admitted
                                 to trading or (ii) if not listed or admitted
                                 to trading on any such securities exchange or
                                 if such last reported sale price is not
                                 obtainable (even if Nokia ADRs (or any such
                                 other security) are listed or admitted to
                                 trading on such securities exchange), the
                                 last reported sale price of the principal
                                 trading session on the over-the-counter
                                 market as reported on the Nasdaq National
                                 Market or OTC Bulletin Board on such day. If
                                 the last reported sale price of the principal
                                 trading session is not available pursuant to
                                 clause (i) or (ii) of the preceding sentence
                                 because of a Market Disruption Event or
                                 otherwise, the Market Price for any Exchange
                                 Trading Day shall be the mean, as determined
                                 by the Calculation Agent, of the bid prices
                                 for Nokia ADRs (or any such other security)
                                 obtained from as many dealers in such
                                 securities (which may include MS & Co. or any
                                 of our other subsidiaries or affiliates), but
                                 not exceeding three, as will make such bid
                                 prices available to the Calculation Agent. A
                                 "security of the Nasdaq National Market"
                                 shall include a security included in any
                                 successor to such system and the term "OTC
                                 Bulletin Board Service" shall include any
                                 successor service thereto.

NYSE Trading Day..............   A day, as determined by the Calculation
                                 Agent, on which trading is generally
                                 conducted on the New York Stock Exchange, Inc.
                                 ("NYSE"), the AMEX, the Nasdaq National
                                 Market, the Chicago Mercantile Exchange and
                                 the Chicago Board of Options Exchange and in
                                 the over-the-counter market for equity
                                 securities in the United States.

Exchange Trading Day..........   Any NYSE Trading Day on which trading in
                                 equity securities is also generally conducted
                                 on the primary exchange for Nokia ordinary
                                 shares (currently the Helsinki Stock
                                 Exchange), as determined by the Calculation
                                 Agent.

Acceleration Event............   If on any date (i) the product of the Market
                                 Price per Nokia ADR and the Exchange Factor
                                 is less than $4.00, or (ii) the Nokia ADRs
                                 are not listed on a United States national
                                 securities exchange without having


                                     PS-12
<PAGE>


                                 been substituted by Nokia ordinary shares
                                 listed on a United States national securities
                                 exchange, the maturity date of the Reset PERQS
                                 will be deemed to be accelerated to such date,
                                 and we will apply the $7.9875 principal amount
                                 of each Reset PERQS as payment for a number of
                                 Nokia ADRs at the then current Exchange Ratio,
                                 as adjusted by the then current Exchange
                                 Factor. See also "Antidilution Adjustments"
                                 below.

Optional Redemption...........   We will not redeem the Reset PERQS prior to the
                                 Maturity Date.

Book Entry Note or
Certificated Note.............   Book Entry

Senior Note or Subordinated
Note..........................   Senior

Trustee.......................   The Chase Manhattan Bank

Agent for the underwritten
offering of Reset PERQS.......   MS & Co.

Calculation Agent.............   MS & Co.

                                 All determinations made by the Calculation
                                 Agent will be at the sole discretion of the
                                 Calculation Agent and will, in the absence of
                                 manifest error, be conclusive for all
                                 purposes and binding on you and on us.

                                 Because the Calculation Agent is our
                                 affiliate, potential conflicts of interest
                                 may exist between the Calculation Agent and
                                 you as an owner of the Reset PERQS, including
                                 with respect to certain determinations and
                                 judgments that the Calculation Agent must
                                 make in making adjustments to the Exchange
                                 Factor or other antidilution adjustments or
                                 determining the Market Price of Nokia ADRs,
                                 the market price of Nokia ordinary shares or
                                 whether a Market Disruption Event has
                                 occurred. See "Antidilution Adjustments" and
                                 "Market Disruption Event" below. MS & Co. is
                                 obligated to carry out its duties and
                                 functions as Calculation Agent in good faith
                                 and using its reasonable judgment.

Antidilution Adjustments......   The Exchange Factor will be adjusted as
                                 follows:

                                      1. If Nokia ordinary shares are subject to
                                 a stock split or reverse stock split, then once
                                 such split has become effective, the Exchange
                                 Factor will be proportionately adjusted;
                                 provided, however that if (and to the extent
                                 that) Nokia or the depositary for the Nokia
                                 ADRs has adjusted the number of Nokia ordinary
                                 shares represented by each Nokia ADR so that
                                 the price of such Nokia ADR would not be
                                 affected by such stock split or reverse stock
                                 split, no adjustment of the Exchange Factor
                                 shall be made.

                                      2. If Nokia ordinary shares are subject
                                 (i) to a stock dividend (issuance of
                                 additional Nokia ordinary shares) that is
                                 given ratably to all holders of Nokia ordinary
                                 shares or (ii) to a distribution of Nokia
                                 ordinary shares as a result of the triggering
                                 of any provision of the corporate charter of
                                 Nokia, then if and when the dividend has
                                 become effective with regard to Nokia ADRs and
                                 Nokia ADRs are trading ex-dividend, the
                                 Exchange Factor will be proportionately
                                 adjusted;


                                     PS-13
<PAGE>


                                 provided, however that if (and to the extent
                                 that) Nokia or the depositary for the Nokia
                                 ADRs has adjusted the number of Nokia ordinary
                                 shares represented by each Nokia ADR so that
                                 the price of such Nokia ADR would not be
                                 affected by such stock dividend or stock
                                 distribution, no adjustment of the Exchange
                                 Ratio shall be made.

                                      3. There will be no adjustments to the
                                 Exchange Factor to reflect cash dividends or
                                 other distributions paid with respect to Nokia
                                 ordinary shares other than distributions
                                 described in clauses (i) and (v) of paragraph
                                 5 below unless such cash dividends or other
                                 distributions, when and as passed through to
                                 holders of Nokia ADRs, constitute
                                 Extraordinary ADR Dividends as described
                                 below. A cash dividend or other distribution
                                 paid with respect to Nokia ADRs will be deemed
                                 to be an "Extraordinary ADR Dividend" if such
                                 dividend or other distribution exceeds the
                                 immediately preceding non-Extraordinary
                                 Dividend for Nokia ADRs by an amount equal to
                                 at least 10% of the Market Price for Nokia
                                 ADRs (as adjusted for any subsequent corporate
                                 event requiring an adjustment hereunder, such
                                 as a stock split or reverse stock split) on
                                 the NYSE Trading Day preceding the ex-dividend
                                 date with respect to such ADRs for the payment
                                 of such Extraordinary ADR Dividend (the
                                 "ex-dividend date"). If an Extraordinary ADR
                                 Dividend occurs with respect to Nokia ADRs,
                                 the Exchange Factor will be adjusted on the
                                 ex-dividend date with respect to such
                                 Extraordinary ADR Dividend so that the new
                                 Exchange Factor will equal the product of (i)
                                 the then current Exchange Factor and (ii) a
                                 fraction, the numerator of which is the Market
                                 Price for Nokia ADRs on the NYSE Trading Day
                                 preceding the ex-dividend date, and the
                                 denominator of which is the amount by which
                                 the Market Price for Nokia ADRs on the NYSE
                                 Trading Day preceding the ex-dividend date
                                 exceeds the Extraordinary ADR Dividend Amount.
                                 The "Extraordinary ADR Dividend Amount" with
                                 respect to an Extraordinary ADR Dividend will
                                 equal (i) in the case of cash dividends or
                                 other distributions that constitute regular
                                 dividends, the amount per Nokia ADR of such
                                 Extraordinary ADR Dividend minus the amount
                                 per Nokia ADR of the immediately preceding
                                 non-Extraordinary ADR Dividend or (ii) in the
                                 case of cash dividends or other distributions
                                 that do not constitute regular dividends, the
                                 amount per Nokia ADR of such Extraordinary ADR
                                 Dividend. To the extent an Extraordinary ADR
                                 Dividend is not paid in cash, the value of the
                                 non-cash component will be determined by the
                                 Calculation Agent, whose determination shall
                                 be conclusive. A distribution on Nokia ADRs
                                 described in clause (i) or clause (v) of
                                 paragraph 5 below that also constitutes an
                                 Extraordinary ADR Dividend shall cause an
                                 adjustment to the Exchange Factor pursuant
                                 only to clause (i) or clause (v) of paragraph
                                 5, as applicable.

                                      4. If (i) Nokia issues rights or warrants
                                 to all holders of Nokia ordinary shares to
                                 subscribe for or purchase Nokia ordinary
                                 shares at an exercise price per share less
                                 than the market price of Nokia ordinary shares
                                 on both (a) the date the exercise price of
                                 such rights or warrants is determined and (b)
                                 the expiration date of such rights or warrants
                                 and (ii) if the expiration date of such rights
                                 or warrants precedes the maturity of the Reset
                                 PERQS, then to the extent that such rights or
                                 warrants are passed through to the holders of
                                 Nokia


                                     PS-14
<PAGE>


                                 ADRs or the holders of Nokia ADRs receive cash
                                 or other property as a consequence of the
                                 issuance of such rights or warrants, the
                                 Calculation Agent will make a proportional
                                 adjustment to the Exchange Factor; provided,
                                 however, that if (and to the extent that)
                                 Nokia or the depositary for the Nokia ADRs has
                                 adjusted the number of Nokia ordinary shares
                                 represented by each Nokia ADR so that the
                                 price of such Nokia ADR would not be affected
                                 by the issuance of such rights or warrants, no
                                 adjustment of the Exchange Factor shall be
                                 made.

                                      5. If (i) there occurs any
                                 reclassification or change of Nokia ordinary
                                 shares, including, without limitation, as a
                                 result of the issuance of any tracking stock
                                 by Nokia, (ii) Nokia or any surviving entity
                                 or subsequent surviving entity of Nokia (a
                                 "Nokia Successor") has been subject to a
                                 merger, combination or consolidation and is
                                 not the surviving entity, (iii) any statutory
                                 exchange of securities of Nokia or any Nokia
                                 Successor with another corporation occurs
                                 (other than pursuant to clause (ii) above),
                                 (iv) Nokia is liquidated, (v) Nokia issues to
                                 all of its shareholders equity securities of
                                 an issuer other than Nokia (other than in a
                                 transaction described in clauses (ii), (iii)
                                 or (iv) above) (a "Spin-off Event") or (vi) a
                                 tender or exchange offer or going-private
                                 transaction is consummated for all the
                                 outstanding Nokia ordinary shares (any such
                                 event in clauses (i) through (vi) a
                                 "Reorganization Event"), the method of
                                 determining the amount payable upon exchange
                                 at maturity for each Reset PERQS will be
                                 adjusted to provide that each holder of Reset
                                 PERQS will receive at maturity, in respect of
                                 each $7.9875 principal amount of each Reset
                                 PERQS, securities, cash or any other assets
                                 distributed to holders of Nokia ADRs in or as
                                 a result of any such Reorganization Event,
                                 including (i) in the case of the issuance of
                                 tracking stock or a Spin-off Event, the Nokia
                                 ADRs with respect to which the tracking stock
                                 or spun-off security was issued and (ii) in
                                 the case of any other Reorganization Event
                                 where the Nokia ADRs continue to be held by
                                 the holders receiving such distribution, the
                                 Nokia ADRs (collectively, the "Exchange
                                 Property") in an amount with a value equal to
                                 the product of the final Exchange Ratio and
                                 the Transaction Value; provided, however, that
                                 if Nokia or the depository for the Nokia ADRs
                                 has adjusted the Nokia ADRs so that they
                                 represent all of the Exchange Property, no
                                 adjustment to the method of calculating the
                                 Exchange Ratio or of determining the Maturity
                                 Price will be made. In addition, following a
                                 Reorganization Event, the method of
                                 determining the Maturity Price will be
                                 adjusted so that the Maturity Price will mean
                                 the Transaction Value as of the second
                                 scheduled Exchange Trading Day immediately
                                 prior to maturity, and if the Reorganization
                                 Event occurs prior to the First Year
                                 Determination Date, the First Year Closing
                                 Price will mean the Transaction Value
                                 determined as of the First Year Determination
                                 Date. Notwithstanding the above, if the
                                 Exchange Property received in any such
                                 Reorganization Event by a holder of Nokia
                                 ADRs, consists only of cash, the maturity date
                                 of the Reset PERQS will be deemed to be
                                 accelerated to the date on which such cash is
                                 distributed to holders of Nokia ADRs and
                                 holders will receive in lieu of any Nokia ADRs
                                 and as liquidated damages in full satisfaction
                                 of MSDW's obligations under the Reset PERQS
                                 the product of (i) the Transaction Value as of
                                 such date and (ii) the then current Exchange
                                 Ratio adjusted as if such date were the next
                                 to occur of either the First Year
                                 Determination


                                     PS-15
<PAGE>


                                 Date or the second scheduled Exchange Trading
                                 Day prior to maturity. If Exchange Property
                                 consists of more than one type of property,
                                 holders of Reset PERQS will receive at
                                 maturity a pro rata share of each such type of
                                 Exchange Property. If Exchange Property
                                 includes a cash component, holders will not
                                 receive any interest accrued on such cash
                                 component. "Transaction Value" at any date
                                 means (i) for any cash received by a holder of
                                 Nokia ADRs in any such Reorganization Event,
                                 the amount of cash received per Nokia ADR, as
                                 adjusted by the Exchange Factor at the time of
                                 such Reorganization Event, (ii) for any
                                 property other than cash or securities
                                 received by a holder of Nokia ADRs in any such
                                 Reorganization Event, the market value, as
                                 determined by the Calculation Agent, as of the
                                 date of receipt, of such Exchange Property
                                 received for each Nokia ADR, as adjusted by
                                 the Exchange Factor at the time of such
                                 Reorganization Event and (iii) for any
                                 security received in any such Reorganization
                                 Event, an amount equal to the Market Price of
                                 such security, as of the date on which the
                                 Transaction Value is determined, per share of
                                 such security multiplied by the quantity of
                                 such security received for each Nokia ADR, as
                                 adjusted by the Exchange Factor at the time of
                                 such Reorganization Event. In the event
                                 Exchange Property consists of securities,
                                 those securities will, in turn, be subject to
                                 the antidilution adjustments set forth in
                                 paragraphs 1 through 5.

                                 For purposes of paragraph 5 above, in the case
                                 of a consummated tender or exchange offer or
                                 going-private transaction involving Exchange
                                 Property of a particular type, Exchange
                                 Property shall be deemed to include the amount
                                 of cash or other property paid by the offeror
                                 in the tender or exchange offer with respect
                                 to such Exchange Property (in an amount
                                 determined on the basis of the rate of
                                 exchange in such tender or exchange offer or
                                 going-private transaction). In the event of a
                                 tender or exchange offer or a going-private
                                 transaction with respect to Exchange Property
                                 in which an offeree may elect to receive cash
                                 or other property, Exchange Property shall be
                                 deemed to include the kind and amount of cash
                                 and other property received by offerees who
                                 elect to receive cash.

                                 In the event that Nokia or the depositary for
                                 the Nokia ADRs elect, in the absence of any
                                 of the events described above, to change the
                                 number of ordinary shares that are
                                 represented by each Nokia ADR, the Exchange
                                 Factor on any NYSE Trading Day after the
                                 change becomes effective will be
                                 proportionately adjusted.

                                 No adjustments to the Exchange Factor will be
                                 required unless such adjustment would require
                                 a change of at least 0.1% in the Exchange
                                 Factor then in effect. The Exchange Factor
                                 resulting from any of the adjustments
                                 specified above will be rounded to the
                                 nearest one hundred-thousandth with five
                                 one-millionths being rounded upward.

                                 The Calculation Agent is not required to make
                                 any adjustments to the Exchange Factor or
                                 method of calculating the Exchange Ratio other
                                 than those specified above. The adjustments
                                 specified above do not cover all events that
                                 could affect the Market Price of Nokia ADRs.
                                 However, we may, at our sole discretion,
                                 cause the Calculation Agent to make
                                 additional changes to the Exchange Factor or
                                 the method of calculating the Exchange Ratio
                                 upon the occurrence of corporate or


                                     PS-16
<PAGE>


                                 other similar events that could potentially
                                 affect market prices of, or shareholders'
                                 rights in, the Nokia ADRs (or other Exchange
                                 Property) but only to reflect such changes,
                                 and not with the aim of changing relative
                                 investment risk.

                                 Notwithstanding the foregoing, the amount
                                 payable by us at maturity with respect to
                                 each Reset PERQS, determined as of the second
                                 scheduled Exchange Trading Day prior to
                                 maturity, will not under any circumstances
                                 exceed an amount of Nokia ADRs having a
                                 market value of  $14.67 as of such second
                                 scheduled Exchange Trading Day.

                                 The Calculation Agent shall be solely
                                 responsible for the determination and
                                 calculation of any adjustments to the Exchange
                                 Factor or method of calculating the Exchange
                                 Ratio and of any related determinations and
                                 calculations with respect to any
                                 distributions of stock, other securities or
                                 other property or assets (including cash) in
                                 connection with any corporate event described
                                 in paragraph 5 above, and its determinations
                                 and calculations with respect thereto shall be
                                 conclusive in the absence of manifest error.

                                 The Calculation Agent will provide
                                 information as to any adjustments to the
                                 Exchange Factor or to the method of
                                 calculating the amount payable upon exchange
                                 at maturity of the Reset PERQS in accordance
                                 with paragraph 5 above upon written request
                                 by any holder of the Reset PERQS.

Market Disruption Event.......   "Market Disruption Event" means, with respect
                                 to Nokia ADRs (or, if applicable, the Nokia
                                 ordinary shares):

                                    (i) a suspension, absence or material
                                    limitation of trading of Nokia ADRs or
                                    Nokia ordinary shares on the primary
                                    market for Nokia ADRs or Nokia ordinary
                                    shares for more than two hours of trading
                                    or during the one-half hour period
                                    preceding the close of the principal
                                    trading session in such market; or a
                                    breakdown or failure in the price and
                                    trade reporting systems of the primary
                                    market for Nokia ADRs or Nokia ordinary
                                    shares as a result of which the reported
                                    trading prices for Nokia ADRs or Nokia
                                    ordinary shares during the last one-half
                                    hour preceding the closing of the
                                    principal trading session in such market
                                    are materially inaccurate; or the
                                    suspension, absence or material limitation
                                    on the primary market for trading in
                                    options contracts related to Nokia ADRs or
                                    Nokia ordinary shares, if available,
                                    during the one-half hour period preceding
                                    the close of the principal trading session
                                    in the applicable market, in each case as
                                    determined by the Calculation Agent in its
                                    sole discretion; and

                                    (ii) a determination by the Calculation
                                    Agent in its sole discretion that any
                                    event described in clause (i) above
                                    materially interfered with the ability of
                                    MSDW or any of its affiliates to unwind or
                                    adjust all or a material portion of the
                                    hedge with respect to the Reset PERQS.

                                 For purposes of determining whether a Market
                                 Disruption Event has occurred: (1) a
                                 limitation on the hours or number of days of
                                 trading will not constitute a Market
                                 Disruption Event if it results from an


                                     PS-17
<PAGE>


                                 announced change in the regular business
                                 hours of the relevant exchange, (2) a
                                 decision to permanently discontinue trading
                                 in the relevant option contract will not
                                 constitute a Market Disruption Event, (3)
                                 limitations pursuant to NYSE Rule 80A (or any
                                 applicable rule or regulation enacted or
                                 promulgated by the NYSE, any other United
                                 States self-regulatory organization, the
                                 Securities and Exchange Commission, the
                                 Helsinki Stock Exchange or other relevant
                                 authority that is of similar scope to Rule
                                 80A as determined by the Calculation Agent)
                                 on trading during significant market
                                 fluctuations shall constitute a suspension,
                                 absence or material limitation of trading,
                                 (4) a suspension of trading in an options
                                 contract on Nokia ADRs or Nokia ordinary
                                 shares by the primary securities market
                                 trading in such options, if available, by
                                 reason of (x) a price change exceeding limits
                                 set by such securities exchange or market,
                                 (y) an imbalance of orders relating to such
                                 contracts or (z) a disparity in bid and ask
                                 quotes relating to such contracts will
                                 constitute a suspension, absence or material
                                 limitation of trading in options contracts
                                 related to Nokia ADRs or Nokia ordinary
                                 shares and (5) a suspension, absence or
                                 material limitation of trading on the primary
                                 securities market on which options contracts
                                 related to Nokia ADRs or Nokia ordinary
                                 shares are traded will not include any time
                                 when such securities market is itself closed
                                 for trading under ordinary circumstances.

Alternate Exchange
Calculation in case of an
Event of Default..............   In case an event of default with respect to
                                 the Reset PERQS shall have occurred and be
                                 continuing, the amount declared due and
                                 payable per Reset PERQS upon any acceleration
                                 of the Reset PERQS shall be determined by the
                                 Calculation Agent and shall be equal to the
                                 product of (i) the Market Price of Nokia ADRs
                                 as of the date of such acceleration, (ii) the
                                 then current Exchange Factor and (iii) the
                                 then current Exchange Ratio, adjusted as if
                                 such date were the second scheduled Exchange
                                 Trading Day prior to maturity and, if such
                                 date occurs prior to the First Year
                                 Determination Date, the First Year
                                 Determination Date.

Nokia ADRs; Public
Information...................   Nokia Corporation is a mobile phone
                                 manufacturer and a leading supplier of
                                 digital mobile and fixed networks which also
                                 supplies multimedia equipment, satellite and
                                 cable receivers, computer monitors as well as
                                 other telecommunications related products.
                                 Nokia ADRs are registered under the Exchange
                                 Act. Companies with securities registered
                                 under the Exchange Act are required to file
                                 periodically certain financial and other
                                 information specified by the Securities and
                                 Exchange Commission (the "Commission").
                                 Information provided to or filed with the
                                 Commission can be inspected and copied at the
                                 public reference facilities maintained by the
                                 Commission at Room 1024, 450 Fifth Street,
                                 N.W., Washington, D.C. 20549 or at its
                                 Regional Offices located at Suite 1400,
                                 Citicorp Center, 500 West Madison Street,
                                 Chicago, Illinois 60661 and at Seven World
                                 Trade Center, 13th Floor, New York, New York
                                 10048, and copies of such material can be
                                 obtained from the Public Reference Section of
                                 the Commission, 450 Fifth Street, N.W.,
                                 Washington, D.C. 20549, at prescribed rates.
                                 In addition, information provided to or filed
                                 with the Commission electronically can be
                                 accessed through a website maintained by the
                                 Commission. The address of the Commission's
                                 website is http://www.sec.gov.


                                     PS-18
<PAGE>


                                 Information provided to or filed with the
                                 Commission by Nokia pursuant to the Exchange
                                 Act can be located by reference to Commission
                                 file number 1-13202. In addition, information
                                 regarding Nokia may be obtained from other
                                 sources including, but not limited to, press
                                 releases, newspaper articles and other
                                 publicly disseminated documents. We make no
                                 representation or warranty as to the accuracy
                                 or completeness of such information.

                                 This pricing supplement relates only to the
                                 Reset PERQS offered hereby and does not
                                 relate to Nokia ADRs, Nokia ordinary shares
                                 or other securities of Nokia. We have
                                 derived all disclosures contained in this
                                 pricing supplement regarding Nokia from the
                                 publicly available documents described in the
                                 preceding paragraph. Neither we nor the
                                 Agent has participated in the preparation of
                                 such documents or made any due diligence
                                 inquiry with respect to Nokia in connection
                                 with the offering of the Reset PERQS.
                                 Neither we nor the Agent makes any
                                 representation that such publicly available
                                 documents are or any other publicly available
                                 information regarding Nokia is accurate or
                                 complete. Furthermore, we cannot give any
                                 assurance that all events occurring prior to
                                 the date hereof (including events that would
                                 affect the accuracy or completeness of the
                                 publicly available documents described in the
                                 preceding paragraph) that would affect the
                                 trading price of Nokia ADRs (and therefore
                                 the Initial Nokia ADR Price, the First Year
                                 Cap Price, the Second Year Cap Price and the
                                 maximum appreciation amount) have been
                                 publicly disclosed. Subsequent disclosure of
                                 any such events or the disclosure of or
                                 failure to disclose material future events
                                 concerning Nokia could affect the value
                                 received at maturity with respect to the
                                 Reset PERQS and therefore the trading prices
                                 of the Reset PERQS.

                                 Neither we nor any of our affiliates makes
                                 any representation to you as to the
                                 performance of Nokia ADRs or Nokia ordinary
                                 shares.

                                 We or our subsidiaries may presently or from
                                 time to time engage in business with Nokia,
                                 including extending loans to, or making equity
                                 investments in, Nokia or providing advisory
                                 services to Nokia, including merger and
                                 acquisition advisory services. In the course
                                 of such business, we or our subsidiaries may
                                 acquire non-public information with respect
                                 to Nokia and, in addition, one or more of our
                                 affiliates may publish research reports with
                                 respect to Nokia. The statement in the
                                 preceding sentence is not intended to affect
                                 the rights of holders of the Reset PERQS
                                 under the securities laws. As a prospective
                                 purchaser of a Reset PERQS, you should
                                 undertake an independent investigation of
                                 Nokia as in your judgment is appropriate to
                                 make an informed decision with respect to an
                                 investment in Nokia ADRs.

Historical Information........   The following table sets forth the published
                                 high and low Market Prices during 1997, 1998,
                                 1999 and 2000 through December 21, 2000. The
                                 Market Price of Nokia ADRs on December 21,
                                 2000 was $39.9375. We obtained the market
                                 prices listed below from Bloomberg Financial
                                 Markets and we believe such information to be
                                 accurate. You should not take the historical
                                 prices of Nokia ADRs as an indication of
                                 future performance. The price of Nokia ADRs
                                 may


                                     PS-19
<PAGE>


                                 decrease so that you will receive at maturity
                                 shares of Nokia ADRs worth less than the
                                 principal amount of the Reset PERQS. We cannot
                                 give you any assurance that the price of Nokia
                                 ADRs will increase so that at maturity you
                                 will receive an amount in excess of the
                                 principal amount of the Reset PERQS. Because
                                 your return is linked to the Market Price of
                                 Nokia ADRs on February 28, 2002 and February
                                 26, 2003, there is no guaranteed return of
                                 principal. To the extent that the Maturity
                                 Price of Nokia ADRs is less than the Initial
                                 Nokia ADR Price or not sufficiently above the
                                 Initial Nokia ADR Price to compensate for a
                                 downward adjustment of the Exchange Ratio, if
                                 any, at February 28, 2002 and the shortfall is
                                 not offset by the coupon paid on the Reset
                                 PERQS, you will lose money on your investment.

<TABLE>
                                                        High         Low     Dividend
                                                        ----         ---     --------
                                 (CUSIP 654902204)
                                 1997
                                 <S>                 <C>          <C>        <C>
                                 First Quarter.....  $ 4 25/128   $ 3 17/32  $   --
                                 Second Quarter....    4 181/256    3 31/64   .042913
                                 Third Quarter.....    5 221/256    4 35/64      --
                                 Fourth Quarter....    6 23/64      4 1/32       --
                                 1998
                                 First Quarter.....    6 3/4        4 33/128     --
                                 Second Quarter....    9 41/128     6 29/32   .0832
                                 Third Quarter.....   11 1/2        8 45/128     --
                                 Fourth Quarter....   15 77/128     7 27/32      --
                                 1999
                                 First Quarter.....   19 35/64     15 15/16      --
                                 Second Quarter....   22 57/64     17 7/16    .129295
                                 Third Quarter.....   24 17/32     19 11/16      --
                                 Fourth Quarter....   47 49/64     22 5/16       --
                                 2000
                                 First Quarter.....   57 1/2       38 1/4        --
                                 Second Quarter....   61 7/8       45.0       .19164
                                 Third Quarter.....   56 3/8       38 1/8        --
                                 Fourth Quarter
                                 (through December
                                 21, 2000)........    51 3/8       29 7/16
</TABLE>

                                 Historical prices have been adjusted for two
                                 2-for-1 stock splits, which became effective
                                 in the second quarter of 1998 and the second
                                 quarter of 1999, respectively, and one 4-for-1
                                 stock split, which became effective in the
                                 second quarter of 2000.

                                 We make no representation as to the amount of
                                 dividends, if any, payable with respect to
                                 the Nokia ADRs in the future. In any event,
                                 as a holder of the Reset PERQS, you will not
                                 be entitled to receive dividends, if any,
                                 that may be payable on Nokia ADRs.

Currency Exchange Rate
Information...................   The following table sets forth the high, low
                                 and period-ending exchange rate between the
                                 euro and the U.S. dollar for the periods
                                 indicated since January 1, 1999, the date on
                                 which the euro became the single currency of
                                 participating member states of the European
                                 Union at the commencement of the third stage
                                 of the European Economic and Monetary Union.
                                 We obtained the exchange rates listed below
                                 from Bloomberg Financial Markets and we
                                 believe such information to be accurate.


                                     PS-20
<PAGE>


                                                     High    Low    Period End
                                                     ----    ---    ----------
                                 1999
                                 First Quarter.....  euro    euro      euro
                                                    1.1837  1.0732    1.0762
                                 Second Quarter.... 1.0830  1.0308    1.0351
                                 Third Quarter..... 1.0776  1.0136    1.0684
                                 Fourth Quarter.... 1.0894  1.0013    1.0062

                                 2000
                                 First Quarter..... 1.0336   .9514     .9553
                                 Second Quarter....  .9650   .8895     .9525
                                 Third Quarter.....  .9553   .8493     .8827
                                 Fourth Quarter....
                                 (through December
                                  21, 2000)........  .9166   .8272     .9166

                                 The information presented in this pricing
                                 supplement relating to the exchange rate of
                                 the U.S. dollar as compared to the euro is
                                 furnished as a matter of information only.
                                 The euro has been subject to declines and
                                 fluctuations in the past and may be subject
                                 to significant fluctuations in the future.
                                 The fluctuations or periods of relative
                                 stability in the euro/U.S. dollar exchange
                                 rate that have occurred in the past are not
                                 necessarily indicative of fluctuations or
                                 periods of relative stability in that rate
                                 that may occur over the term of the Reset
                                 PERQs.

                                 The spot exchange rates between the euro and
                                 U.S. dollar are at any moment a result of the
                                 supply of and demand for the currencies being
                                 compared, and changes in the exchange rates
                                 result over time from the interaction of many
                                 factors directly or indirectly affecting
                                 economic and political developments in other
                                 countries. Of particular importance are
                                 rates of inflation, interest rate levels, the
                                 balance of payments and the extent of
                                 governmental surpluses of deficits in
                                 European Monetary Union and the United
                                 States, all of which are in turn sensitive to
                                 the monetary, fiscal and trade policies
                                 pursued by the governments of the
                                 participating member states of the European
                                 Union, the United States and other
                                 jurisdictions important to international
                                 trade and finance.

Use of Proceeds and Hedging...   The net proceeds we receive from the sale of
                                 the Reset PERQS will be used for general
                                 corporate purposes and, in part, by us or by
                                 one or more of our subsidiaries in connection
                                 with hedging our obligations under the Reset
                                 PERQS. See also "Use of Proceeds" in the
                                 accompanying prospectus.

                                 On the date of this pricing supplement, we,
                                 through our subsidiaries or others, hedged
                                 our anticipated exposure in connection with
                                 the Reset PERQS by taking positions in Nokia
                                 ADRs and other instruments. Purchase
                                 activity could have potentially increased the
                                 price of Nokia ADRs, and therefore
                                 effectively have increased the level to which
                                 Nokia ADRs must rise before you would receive
                                 at maturity an amount of Nokia ADRs worth as
                                 much as or more than the principal amount of
                                 the Reset PERQS. Through our subsidiaries,
                                 we are likely to modify our hedge position
                                 throughout the life of the Reset PERQS,
                                 including on the First Year Determination
                                 Date, by purchasing and selling Nokia ADRs,
                                 option contracts on Nokia ADRs listed on
                                 major securities markets or positions in any
                                 other available securities or instruments
                                 that we may wish to use in connection with
                                 such hedging activity. Although we have no
                                 reason to believe that our hedging activity
                                 had or will have a material impact on the
                                 price


                                     PS-21
<PAGE>


                                 of Nokia ADRs, we cannot give any assurance
                                 that we did not, or in the future will not,
                                 affect such price as a result of our hedging
                                 activities.

Supplemental Information
Concerning Plan of
Distribution..................   The Agent proposes initially to offer the
                                 Reset PERQS directly to the public at the
                                 public offering price set forth on the cover
                                 page hereof plus accrued interest, if any,
                                 from the Original Issue Date; provided that
                                 the price will be $7.8676875 per Reset PERQS
                                 and the underwriting discounts and commissions
                                 will be $.0001875 per Reset PERQS for
                                 purchasers of greater than or equal to 100,000
                                 Reset PERQS in any single transaction, subject
                                 to the holding period requirements described
                                 below.

                                 Delivery of approximately 98.50% of the Reset
                                 PERQS to a purchaser of 100,000 or more Reset
                                 PERQS at the reduced price (the "Delivered
                                 Reset PERQS") will be made on the date of
                                 delivery of the Reset PERQS referred to on
                                 the cover of this pricing supplement. The
                                 balance of approximately 1.50% of the Reset
                                 PERQS (the "Escrowed Reset PERQS") purchased
                                 by each such investor will be held in escrow
                                 at MS & Co. for the benefit of the investor
                                 and delivered to such investor if the
                                 investor and any accounts in which the
                                 investor may have deposited any of its
                                 Delivered Reset PERQS have held all of the
                                 Delivered Reset PERQS for 45 calendar days
                                 following the date of the pricing supplement
                                 or any shorter period deemed appropriate by
                                 the Agent. If an investor or any account in
                                 which the investor has deposited any of its
                                 Delivered Reset PERQS fails to satisfy the
                                 holding period requirement, as determined by
                                 the Agent, all of the investor's Escrowed
                                 Reset PERQS will be forfeited by the investor
                                 and not delivered to it. The Escrowed Reset
                                 PERQS will instead be delivered to the Agent
                                 for sale to investors. This forfeiture will
                                 have the effect of increasing the purchase
                                 price per Reset PERQS for such investors to
                                 100% of the principal amount of the Reset
                                 PERQS. Should investors who are subject to
                                 the holding period requirement sell their
                                 Reset PERQS once the holding period is no
                                 longer applicable, the market price of the
                                 Reset PERQS may be adversely affected. See
                                 also "Plan of Distribution" in the
                                 accompanying prospectus supplement.

                                 In order to facilitate the offering of the
                                 Reset PERQS, the Agent may engage in
                                 transactions that stabilize, maintain or
                                 otherwise affect the price of the Reset PERQS
                                 or Nokia ADRs. Specifically, the Agent may
                                 sell more Reset PERQS than it is obligated to
                                 purchase in connection with the offering or
                                 may sell Nokia ADRs it does not own, creating
                                 a naked short position in the Reset PERQS or
                                 Nokia ADRs, respectively, for its own account.
                                 The Agent must close out any naked short
                                 position by purchasing the Reset PERQS or
                                 Nokia ADRs in the open market. A naked short
                                 position is more likely to be created if the
                                 Agent is concerned that there may be downward
                                 pressure on the price of the Reset PERQS or
                                 Nokia ADRs in the open market after pricing
                                 that could adversely affect investors who
                                 purchase in the offering. As an additional
                                 means of facilitating the offering, the Agent
                                 may bid for, and purchase, Reset PERQS or
                                 Nokia ADRs in the open market to stabilize the
                                 price of the Reset PERQS. Any of these
                                 activities may raise or maintain the market
                                 price of the Reset PERQS above independent
                                 market levels or prevent or retard


                                     PS-22
<PAGE>


                                 a decline in the market price of the Reset
                                 PERQS. The Agent is not required to engage in
                                 these activities, and may end any of these
                                 activities at any time. See "Use of Proceeds
                                 and Hedging" above.

ERISA Matters for Pension
Plans and Insurance
Companies.....................   Each fiduciary of a pension, profit-sharing
                                 or other employee benefit plan subject to the
                                 Employee Retirement Income Security Act of
                                 1974, as amended ("ERISA") (a "Plan"), should
                                 consider the fiduciary standards of ERISA in
                                 the context of the Plan's particular
                                 circumstances before authorizing an
                                 investment in the Reset PERQS. Accordingly,
                                 among other factors, the fiduciary should
                                 consider whether the investment would satisfy
                                 the prudence and diversification requirements
                                 of ERISA and would be consistent with the
                                 documents and instruments governing the Plan.

                                 In addition, we and certain of our
                                 subsidiaries and affiliates, including MS &
                                 Co. and Dean Witter Reynolds Inc. ("DWR"),
                                 are each to be considered a "party in
                                 interest" within the meaning of ERISA, or a
                                 "disqualified person" within the meaning of
                                 the Internal Revenue Code of 1986, as amended
                                 (the "Code") with respect to many Plans.
                                 Prohibited transactions within the meaning of
                                 ERISA or the Code would likely arise, for
                                 example, if the Reset PERQS are acquired by
                                 or with the assets of a Plan with respect to
                                 which MS & Co., DWR or any of their
                                 affiliates is a service provider, unless the
                                 Reset PERQS are acquired pursuant to an
                                 exemption from the "prohibited transaction"
                                 rules. A violation of these "prohibited
                                 transaction" rules may result in an excise
                                 tax or other liabilities under ERISA and/or
                                 Section 4975 of the Code for such persons,
                                 unless exemptive relief is available under an
                                 applicable statutory or administrative
                                 exemption.

                                 The U.S. Department of Labor has issued five
                                 prohibited transaction class exemptions
                                 ("PTCEs") that may provide exemptive relief
                                 for direct or indirect prohibited
                                 transactions resulting from the purchase or
                                 holding of the Reset PERQS. Those class
                                 exemptions are PTCE 96-23 (for certain
                                 transactions determined by in-house asset
                                 managers), PTCE 95-60 (for certain
                                 transactions involving insurance company
                                 general accounts), PTCE 91-38 (for certain
                                 transactions involving bank collective
                                 investment funds), PTCE 90-1 (for certain
                                 transactions involving insurance company
                                 separate accounts) and PTCE 84-14 (for
                                 certain transactions determined by independent
                                 qualified asset managers).

                                 Because we are considered a party in interest
                                 with respect to many Plans, the Reset PERQS
                                 may not be purchased or held by any Plan, any
                                 entity whose underlying assets include "plan
                                 assets" by reason of any Plan's investment in
                                 the entity (a "Plan Asset Entity") or any
                                 person investing "plan assets" of any Plan,
                                 unless such purchaser or holder is eligible
                                 for exemptive relief, including relief
                                 available under PTCE 96-23, 95-60, 91-38,
                                 90-1 or 84-14 or such purchase and holding is
                                 otherwise not prohibited. Any purchaser,
                                 including any fiduciary purchasing on behalf
                                 of a Plan, or holder of the Reset PERQS will
                                 be deemed to have represented, in its
                                 corporate and fiduciary capacity, by its
                                 purchase and holding thereof that it either
                                 (a) is not a Plan or a Plan Asset Entity and
                                 is not purchasing such securities on behalf
                                 of or with "plan assets" of any Plan or (b) is
                                 eligible for exemptive relief or such
                                 purchase or holding is not prohibited by
                                 ERISA or Section 4975 of the Code.


                                     PS-23
<PAGE>


                                 Under ERISA, assets of a Plan may include
                                 assets held in the general account of an
                                 insurance company which has issued an
                                 insurance policy to such plan or assets of an
                                 entity in which the Plan has invested. In
                                 addition to considering the consequences of
                                 holding the Reset PERQS, employee benefit
                                 plans subject to ERISA (or insurance companies
                                 deemed to be investing ERISA plan assets)
                                 purchasing the Reset PERQS should also
                                 consider the possible implications of owning
                                 the Nokia ADRs. Accordingly, insurance company
                                 general accounts that include assets of a Plan
                                 must ensure that one of the foregoing
                                 exemptions is available. Due to the complexity
                                 of these rules and the penalties that may be
                                 imposed upon persons involved in non-exempt
                                 prohibited transactions, it is particularly
                                 important that fiduciaries or other persons
                                 considering purchasing the Reset PERQS on
                                 behalf of or with "plan assets" of any Plan
                                 consult with their counsel regarding the
                                 availability of exemptive relief under PTCE
                                 96-23, 95-60, 91-38, 90-1 or 84-14.

                                 Purchasers of the Reset PERQS have exclusive
                                 responsibility for ensuring that their
                                 purchase and holding of the Reset PERQS and
                                 the Nokia ADRs do not violate the prohibited
                                 transaction rules of ERISA or the Code.

United States Federal Income
Taxation......................   The following summary is based on the
                                 advice of Davis Polk & Wardwell, our special
                                 tax counsel ("Tax Counsel"), and is a general
                                 discussion of the principal potential U.S.
                                 federal income tax consequences to initial
                                 holders of the Reset PERQS purchasing the
                                 Reset PERQS at the Issue Price, who will hold
                                 the Reset PERQS as capital assets within the
                                 meaning of Section 1221 of the Code. This
                                 summary is based on the Code, administrative
                                 pronouncements, judicial decisions and
                                 currently effective and proposed Treasury
                                 Regulations, changes to any of which
                                 subsequent to the date of this pricing
                                 supplement may affect the tax consequences
                                 described herein. This summary does not
                                 address all aspects of the U.S. federal income
                                 taxation that may be relevant to a particular
                                 holder in light of its individual
                                 circumstances or to certain types of holders
                                 subject to special treatment under the U.S.
                                 federal income tax laws (e.g., certain
                                 financial institutions, tax-exempt
                                 organizations, dealers in options or
                                 securities, or persons who hold a Reset PERQS
                                 as a part of a hedging transaction, straddle,
                                 conversion or other integrated transaction).
                                 As the law applicable to the U.S. federal
                                 income taxation of instruments such as the
                                 Reset PERQS is technical and complex, the
                                 discussion below necessarily represents only
                                 a general summary. Moreover, the effect of
                                 any applicable state, local or foreign tax
                                 laws is not discussed.

                                 General

                                 Pursuant to the terms of the Reset PERQS, we
                                 and every holder of a Reset PERQS agree (in
                                 the absence of an administrative determination
                                 or judicial ruling to the contrary) to
                                 characterize a Reset PERQS for all tax
                                 purposes as an investment unit consisting of
                                 the following components (the "Components"):
                                 (i) a contract (the "Forward Contract") that
                                 requires the holder of the Reset PERQS to
                                 purchase, and us to sell, for an amount equal
                                 to $7.9875 (the "Forward Price"), Nokia ADRs
                                 at maturity (or, alternatively, upon an
                                 earlier redemption of the Reset PERQS), and
                                 (ii) a deposit with us of a fixed amount of
                                 cash, equal to the Issue Price, to secure the
                                 holder's


                                     PS-24
<PAGE>


                                 obligation to purchase Nokia ADRs (the
                                 "Deposit"), which Deposit bears an annual
                                 yield of 5.869% per annum, which yield is
                                 based on our cost of borrowing. Under this
                                 characterization, it is possible that less
                                 than the full quarterly payments on the Reset
                                 PERQS will be attributable to the yield on the
                                 Deposit. Accordingly, the excess of the
                                 quarterly payments on the Reset PERQS over the
                                 portion of those payments attributable to the
                                 yield on the Deposit will represent payments
                                 attributable to the holders' entry into the
                                 Forward Contract (the "Contract Fees").
                                 Furthermore, based on our determination of the
                                 relative fair market values of the Components
                                 at the time of issuance of the Reset PERQS, we
                                 will allocate 100% of the Issue Price of the
                                 Reset PERQS to the Deposit and none to the
                                 Forward Contract. Our allocation of the Issue
                                 Price among the Components will be binding on
                                 a holder of the Reset PERQS, unless such
                                 holder timely and explicitly discloses to the
                                 IRS that its allocation is different from
                                 ours. The treatment of the Reset PERQS
                                 described above and our allocation are not,
                                 however, binding on the IRS or the courts. No
                                 statutory, judicial or administrative
                                 authority directly addresses the
                                 characterization of the Reset PERQS or
                                 instruments similar to the Reset PERQS for
                                 U.S. federal income tax purposes, and no
                                 ruling is being requested from the IRS with
                                 respect to the Reset PERQS. Due to the absence
                                 of authorities that directly address
                                 instruments that are similar to the Reset
                                 PERQS, Tax Counsel is unable to render an
                                 opinion as to the proper U.S. federal income
                                 tax characterization of the Reset PERQS. As a
                                 result, significant aspects of the U.S.
                                 federal income tax consequences of an
                                 investment in the Reset PERQS are not certain,
                                 and no assurance can be given that the IRS or
                                 the courts will agree with the
                                 characterization described herein.
                                 Accordingly, you are urged to consult your tax
                                 advisor regarding the U.S. federal income tax
                                 consequences of an investment in the Reset
                                 PERQS (including alternative characterizations
                                 of the Reset PERQS) and with respect to any
                                 tax consequences arising under the laws of any
                                 state, local or foreign taxing jurisdiction.
                                 Unless otherwise stated, the following
                                 discussion is based on the treatment and the
                                 allocation described above.

                                 U.S. Holders

                                 As used herein, the term "U.S. Holder" means
                                 an owner of a Reset PERQS that is, for U.S.
                                 federal income tax purposes, (i) a citizen or
                                 resident of the United States, (ii) a
                                 corporation created or organized under the
                                 laws of the United States or any political
                                 subdivision thereof or (iii) an estate or
                                 trust the income of which is subject to United
                                 States federal income taxation regardless of
                                 its source.

                                 Tax Treatment of the Reset PERQS

                                 Assuming the characterization of the Reset
                                 PERQS and the allocation of the Issue Price as
                                 set forth above, Tax Counsel believes that the
                                 following U.S. federal income tax consequences
                                 should result.

                                 Quarterly Payments on the Reset PERQS. To the
                                 extent attributable to the yield on the
                                 Deposit, quarterly payments on the Reset PERQS
                                 will generally be taxable to a U.S. Holder as
                                 ordinary income at the time accrued or
                                 received in accordance with the U.S. Holder's
                                 method of accounting for U.S. federal income
                                 tax purposes. As discussed above, any excess
                                 of the quarterly payments over the


                                     PS-25
<PAGE>


                                 portion thereof attributable to the yield on
                                 the Deposit will be treated as Contract Fees.
                                 Although the federal income tax treatment of
                                 Contract Fees is uncertain, we intend to take
                                 the position that any Contract Fees with
                                 respect to the Reset PERQS constitute taxable
                                 income to a U.S. Holder at the time accrued or
                                 received in accordance with the U.S. Holder's
                                 method of accounting for U.S. federal income
                                 tax purposes.

                                 Tax Basis. Based on our determination set
                                 forth above, the U.S. Holder's tax basis in
                                 the Forward Contract will be zero, and the
                                 U.S. Holder's tax basis in the Deposit will be
                                 100% of the Issue Price. The U.S. Holder's tax
                                 basis in the Deposit will be subsequently
                                 increased by any OID accrued with respect
                                 thereto.

                                 Settlement of the Forward Contract. Upon the
                                 maturity of the Forward Contract, a U.S.
                                 Holder would, pursuant to the Forward
                                 Contract, be deemed to have applied the
                                 Forward Price toward the purchase of Nokia
                                 ADRs, and a U.S. Holder would not recognize
                                 any gain or loss with respect to any Nokia
                                 ADRs received thereon. However, as stated
                                 above, any de minimis OID on the Deposit that
                                 the holder has not previously included in
                                 income will be taxable to the holder at the
                                 maturity of the Deposit and the concurrent
                                 settlement of the Forward Contract. With
                                 respect to any cash received upon maturity, a
                                 U.S. Holder would recognize gain or loss. The
                                 amount of such gain or loss would be the
                                 extent to which the amount of such cash
                                 received differs from the pro rata portion of
                                 the Forward Price allocable to the cash. Any
                                 such gain or loss would generally be capital
                                 gain or loss, as the case may be.

                                 With respect to any Nokia ADRs received upon
                                 maturity, the U.S. Holder would have an
                                 adjusted tax basis in such Nokia ADRs equal to
                                 the pro rata portion of the Forward Price
                                 allocable thereto. The allocation of the
                                 Forward Price between cash and Nokia ADRs
                                 should be based on the amount of the cash
                                 received and the relative fair market value,
                                 as of the maturity, of Nokia ADRs. U.S.
                                 Holders should note that the holding period of
                                 any Nokia ADRs received would start on the day
                                 after the maturity of the Reset PERQS.

                                 U.S. Holders should note that while any
                                 accrued but unpaid interest on the Deposit and
                                 any Contract Fees would be taxable as ordinary
                                 income, any gain or loss recognized upon the
                                 final settlement of the Forward Contract
                                 generally would be capital gain or loss. The
                                 distinction between capital gain or loss and
                                 ordinary gain or loss is potentially
                                 significant in several respects. For example,
                                 limitations apply to a U.S. Holder's ability
                                 to offset capital losses against ordinary
                                 income, and certain U.S. Holders may be
                                 subject to lower U.S. federal income tax rates
                                 with respect to long-term capital gain than
                                 with respect to ordinary gain. U.S. Holders
                                 should consult their tax advisors with respect
                                 to the treatment of capital gain or loss on a
                                 Reset PERQS.

                                 Sale or Exchange of the Reset PERQS. Upon a
                                 sale or exchange of a Reset PERQS prior to the
                                 maturity of the Reset PERQS, a U.S. Holder
                                 would recognize taxable gain or loss equal to
                                 the difference between the amount realized on
                                 such sale or exchange and such U.S. Holder's
                                 tax basis in the Reset PERQS so sold or
                                 exchanged. Any such gain or loss would
                                 generally be capital gain or loss, as the case


                                     PS-26
<PAGE>


                                 may be. Such U.S. Holder's tax basis in the
                                 Reset PERQS would generally equal the U.S.
                                 Holder's tax basis in the Deposit. For these
                                 purposes, the amount realized does not include
                                 any amount attributable to accrued but unpaid
                                 interest payments on the Deposit, which would
                                 be taxed as described under "--Quarterly
                                 Payments on the Reset PERQS" above. It is
                                 uncertain whether the amount realized includes
                                 any amount attributable to accrued but unpaid
                                 Contract Fees. U.S. Holders should consult
                                 their tax advisors regarding the treatment of
                                 accrued but unpaid Contract Fees upon the sale
                                 or exchange of a Reset PERQS.

                                 Possible Alternative Tax Treatments of an
                                 Investment in the Reset PERQS

                                 Due to the absence of authorities that
                                 directly address the proper characterization
                                 of the Reset PERQS, no assurance can be given
                                 that the IRS will accept, or that a court will
                                 uphold, the characterization and tax treatment
                                 described above. In particular, the IRS could
                                 seek to analyze the U.S. federal income tax
                                 consequences of owning a Reset PERQS under
                                 Treasury regulations governing contingent
                                 payment debt instruments (the "Contingent
                                 Payment Regulations").

                                 If the IRS were successful in asserting that
                                 the Contingent Payment Regulations applied to
                                 the Reset PERQS, the timing and character of
                                 income thereon would be significantly
                                 affected. Among other things, a U.S. Holder
                                 would be required to accrue as original issue
                                 discount income, subject to adjustments, at a
                                 "comparable yield" on the Issue Price. In
                                 addition, a U.S. Holder would recognize income
                                 upon maturity of the Reset PERQS to the extent
                                 that the value of Nokia ADRs and cash (if any)
                                 received exceeds the adjusted issue price.
                                 Furthermore, any gain realized with respect to
                                 the Reset PERQS would generally be treated as
                                 ordinary income.

                                 Even if the Contingent Payment Regulations do
                                 not apply to the Reset PERQS, other
                                 alternative federal income tax
                                 characterizations or treatments of the Reset
                                 PERQS are also possible, and if applied could
                                 also affect the timing and the character of
                                 the income or loss with respect to the Reset
                                 PERQS. It is possible, for example, that a
                                 Reset PERQS could be treated as constituting a
                                 prepaid forward contract. Other alternative
                                 characterizations are also possible.
                                 Accordingly, prospective purchasers are urged
                                 to consult their tax advisors regarding the
                                 U.S. federal income tax consequences of an
                                 investment in the Reset PERQS.

                                 Constructive Ownership

                                 Section 1260 of the Code treats a taxpayer
                                 owning certain types of derivative positions
                                 in property as having "constructive ownership"
                                 in that property, with the result that all or
                                 a portion of the long term capital gain
                                 recognized or deemed to be recognized (as
                                 described below) by such taxpayer with respect
                                 to the derivative position would be
                                 recharacterized as ordinary income. Although
                                 Section 1260 in its current form does not
                                 apply to the Reset PERQS, Section 1260
                                 authorizes the Treasury Department to
                                 promulgate regulations (possibly with
                                 retroactive effect) to expand the application
                                 of the "constructive ownership" regime. There
                                 is no assurance that the Treasury Department
                                 will not promulgate regulations to apply the
                                 regime to the Reset PERQS. If Section 1260
                                 were to apply to the


                                     PS-27
<PAGE>


                                 Reset PERQS, the effect on a U.S. Holder would
                                 be to treat all or a portion of the long term
                                 capital gain (if any) recognized by such U.S.
                                 Holder on sale or maturity of a Reset PERQS as
                                 ordinary income, but only to the extent such
                                 long term capital gain exceeds the long term
                                 capital gain that would have been recognized
                                 by such U.S. Holder if the U.S. Holder had
                                 acquired the underlying stock itself on the
                                 issue date of the Reset PERQS and disposed of
                                 the underlying stock upon disposition
                                 (including retirement) of the Reset PERQS.
                                 Section 1260, if applicable, would require a
                                 U.S. Holder that receives shares of Nokia ADRs
                                 at maturity to recognize as ordinary income
                                 the amount that would have been treated as
                                 ordinary income according to the rule
                                 described in the preceding sentence, if the
                                 U.S. Holder had sold the Reset PERQS at
                                 maturity for fair market value. In addition,
                                 Section 1260 would impose an interest charge
                                 on the gain (or deemed gain) that was
                                 recharacterized on the sale or maturity of the
                                 Reset PERQS.

                                 Backup Withholding and Information Reporting

                                 A U.S. Holder of a Reset PERQS may be subject
                                 to information reporting and to backup
                                 withholding at a rate of 31 percent of the
                                 amounts paid to the U.S. Holder, unless such
                                 U.S. Holder provides proof of an applicable
                                 exemption or a correct taxpayer identification
                                 number, and otherwise complies with applicable
                                 requirements of the backup withholding rules.
                                 The amounts withheld under the backup
                                 withholding rules are not an additional tax
                                 and may be refunded, or credited against the
                                 U.S. Holder's U.S. federal income tax
                                 liability, provided the required information
                                 is furnished to the IRS.


                                     PS-28
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                       MORGAN STANLEY DEAN WITTER & CO.






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