Document:

EXHIBIT 4-r

                           [FORM OF FACE OF SECURITY]

                  DEFINITIVE FLOATING RATE SENIOR BEARER NOTE

BEARER                                                        BEARER
No. DFLR                                                      [PRINCIPAL AMOUNT]

     [A [SHORTER TERM/LONGER TERM] DEBT SECURITY ISSUED IN ACCORDANCE WITH
REGULATIONS MADE UNDER SECTION 4 OF THE UNITED KINGDOM BANKING ACT 1987.]1

     ANY UNITED STATES PERSON WHO HOLDS THIS OBLIGATION WILL BE SUBJECT TO
LIMITATIONS UNDER THE UNITED STATES INCOME TAX LAWS, INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.

     THIS NOTE HAS NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE SECURITIES
AND EXCHANGE LAW OF JAPAN. THIS NOTE MAY NOT BE OFFERED OR SOLD, DIRECTLY OR
INDIRECTLY, IN JAPAN OR TO, OR FOR THE BENEFIT OF, ANY RESIDENT OF JAPAN (WHICH
TERM AS USED HEREIN MEANS ANY PERSON RESIDENT IN JAPAN INCLUDING ANY
CORPORATION OR OTHER ENTITY ORGANIZED UNDER THE LAWS OF JAPAN) OR TO OTHERS FOR
THE RE-OFFERING OR RE-SALE, DIRECTLY OR INDIRECTLY, IN JAPAN OR TO A RESIDENT
OF JAPAN EXCEPT PURSUANT TO AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF,
AND OTHERWISE IN COMPLIANCE WITH, THE SECURITIES AND EXCHANGE LAW OF JAPAN AND
OTHER RELEVANT LAWS AND REGULATIONS OF JAPAN.(2)

--------
     1 Applies only if this Note is denominated in pounds sterling and matures
more than one year from and including the Original Issue Date. If this Note is
denominated in pounds sterling and matures less than one year from and
including the Original Issue Date, add the following legend: COMMERCIAL PAPER
ISSUED IN ACCORDANCE WITH REGULATIONS MADE UNDER SECTION 4 OF THE UNITED
KINGDOM BANKING ACT 1987.

     2 If this Note is offered in Japan or denominated in Japanese Yen,
appropriate legends need to be added.

<PAGE>

                        MORGAN STANLEY DEAN WITTER & CO.
                         MEDIUM-TERM NOTE, SERIES [D/E]
                  Definitive Floating Rate Senior Bearer Note

<TABLE>
--------------------------------------------------------------------------------------------------------
<S>                                    <C>                                    <C>
ORIGINAL ISSUE DATE:                   INTEREST ACCRUAL DATE:                 INTEREST PAYMENT DATE(S):
--------------------------------------------------------------------------------------------------------
MATURITY DATE:                         INITIAL INTEREST RATE:                 INTEREST PAYMENT PERIOD:
--------------------------------------------------------------------------------------------------------
BASE RATE:                             INITIAL INTEREST RESET                 INTEREST RESET DATE(S):
                                          DATE:
--------------------------------------------------------------------------------------------------------
INDEX MATURITY:                        MAXIMUM INTEREST RATE:                 INTEREST RESET PERIOD:
--------------------------------------------------------------------------------------------------------
SPREAD (PLUS OR MINUS):                MINIMUM INTEREST RATE:                 CALCULATION AGENT:
--------------------------------------------------------------------------------------------------------
SPREAD MULTIPLIER:                     INITIAL REDEMPTION DATE:               EUROCLEAR NO:
--------------------------------------------------------------------------------------------------------
SPECIFIED CURRENCY:                    INITIAL REDEMPTION                     CLEARSTREAM NO:
                                       PERCENTAGE:
--------------------------------------------------------------------------------------------------------
INDEX CURRENCY:                        ANNUAL REDEMPTION                      COMMON CODE:
                                          PERCENTAGE REDUCTION:
--------------------------------------------------------------------------------------------------------
DESIGNATED CMT TELERATE                REDEMPTION NOTICE PERIOD:(3)           ISIN:
   PAGE:
--------------------------------------------------------------------------------------------------------
DESIGNATED CMT MATURITY                OPTIONAL REPAYMENT                     MINIMUM DENOMINATIONS:
   INDEX:                                 DATE(S):
--------------------------------------------------------------------------------------------------------
REPORTING SERVICE:                     INITIAL OFFERING DATE:                 EXCHANGE FOR REGISTERED
                                                                              NOTES: [NO](4)
--------------------------------------------------------------------------------------------------------
OTHER PROVISIONS:
--------------------------------------------------------------------------------------------------------
</TABLE>

     Morgan Stanley Dean Witter & Co., a Delaware corporation (together with
its successors and assigns, the "Issuer"), for value received, hereby promises
to pay to bearer, upon surrender hereof, the principal sum of
on the Maturity Date specified above (except to the extent previously redeemed
or repaid) and to pay interest thereon to the bearer of the coupons, if any,
appertaining hereto, from and including the Interest Accrual Date specified
above at a rate per annum equal to the Initial Interest Rate specified above
until but excluding the Initial Interest Reset Date specified above, and on and
after at a rate per annum determined in accordance with the provisions
specified on the reverse hereof until but excluding the date such principal
amount is paid or duly made available for payment. The Issuer will pay interest
in arrears monthly, quarterly, semiannually or annually as specified above as
the Interest Payment Period on each Interest Payment Date (as

--------
     3 Applicable if other than 30-60 days. Consult with Euroclear or
Clearstream if a shorter redemption is requested. A minimum of 10 days may be
possible.

     4 Unless explicitly stated otherwise in term sheet, MSDW practice has been
to exclude this option.

                                       2
<PAGE>

specified above), commencing with the first Interest Payment Date next
succeeding the Interest Accrual Date specified above, and on the Maturity Date
specified above (or any redemption or repayment date); provided, however, that
if the Interest Accrual Date occurs fifteen days or less prior to the first
Interest Payment Date occurring after the Interest Accrual Date, interest
payments will commence on the second Interest Payment Date succeeding the
Interest Accrual Date; and provided, further, that if an Interest Payment Date
(other than the Maturity Date or any redemption or repayment date) would fall
on a day that is not a Business Day, as defined on the reverse hereof, such
Interest Payment Date shall be the following day that is a Business Day, except
that if the Base Rate specified above is LIBOR or EURIBOR and such next
Business Day falls in the next calendar month, such Interest Payment Date shall
be the immediately preceding day that is a Business Day; and provided, further,
that if the Maturity Date or redemption or repayment date would fall on a day
that is not a Business Day, the payment of principal, premium, if any, and
interest shall be made on the next succeeding Business Day and no interest
shall accrue for the period from and after such Maturity Date or redemption or
repayment date.

     Interest on this Note will accrue from and including the most recent
Interest Payment Date to which interest has been paid or duly provided for, or,
if no interest has been paid or duly provided for, from and including the
Interest Accrual Date, until but excluding the date the principal hereof has
been paid or duly made available for payment (except as provided below). The
interest so payable, and punctually paid or duly provided for, on any Interest
Payment Date will be payable only upon presentation and surrender at the office
or agency of the Principal Paying Agent (this and certain other capitalized
terms used herein are defined on the reverse of this Note) or at the office or
agency of such other paying agents outside the United States as the Issuer may
determine for that purpose (each, a "Paying Agent," which term shall include
the Principal Paying Agent) of the interest coupons hereto attached as they
severally mature.

     Payment of the principal of and premium, if any, on this Note, at maturity
(or on any redemption or repayment date) will be made upon presentation and
surrender of this Note at the office or agency of the Principal Paying Agent or
at the office of any Paying Agent.

     Payment of the principal of and premium, if any, and interest on this Note
will be made in the Specified Currency indicated above, except as provided on
the reverse hereof. If this Note is denominated in U.S. dollars, any payment of
the principal of and premium, if any, and interest on this Note will be made in
such coin or currency of the United States as at the time of payment is legal
tender for payment of public and private debts. Such payments on this Note will
be made either by a check mailed to an address outside the United States
furnished by the payee or, at the option of the payee and subject to applicable
laws and regulations and the procedures of the Paying Agent, by wire transfer
of immediately available funds to an account maintained by the payee with a
bank located outside the United States if appropriate wire transfer
instructions have been received by the Paying Agent not less than 15 calendar
days prior to the applicable payment date. Notwithstanding the foregoing, in
the event that payment in U.S. dollars of the full amount payable on this Note
at the offices of all Paying Agents would be illegal or effectively precluded
as a result of exchange controls or similar restrictions, payment on this Note
will be made by a paying agency in the United States,

                                       3
<PAGE>

if such paying agency, under applicable law and regulations, would be able to
make such payment without adverse United States federal tax consequences or
other adverse consequences to the Issuer. If this Note is denominated in a
Specified Currency other than U.S. dollars, then, except as provided on the
reverse hereof, payment of the principal of and premium, if any, and interest
on this Note will be made in such Specified Currency either by a check drawn on
a bank outside the United States or, at the option of the payee and subject to
applicable laws and regulations and the procedures of the Paying Agent, by wire
transfer of immediately available funds to an account maintained by the payee
with a bank located outside the United States.

     Reference is hereby made to the further provisions of this Note set forth
on the reverse hereof, which further provisions shall for all purposes have the
same effect as if set forth at this place.

     Unless the certificate of authentication hereon has been executed by the
Trustee referred to on the reverse hereof by manual signature, neither this
Note nor any coupons appertaining hereto shall be entitled to any benefit under
the Senior Indenture, as defined on the reverse hereof, or be valid or
obligatory for any purpose.

                                       4
<PAGE>

     IN WITNESS WHEREOF, the Issuer has caused this Note to be duly executed
and coupons bearing the facsimile signature of its ___________________ to be
annexed hereto.

DATED:                                       MORGAN STANLEY DEAN WITTER & CO.

                                             By:
                                                --------------------------------
                                                Name:
                                                Title:

TRUSTEE'S CERTIFICATE
  OF AUTHENTICATION

This is one of the Notes referred to
  in the within-mentioned Senior
  Indenture.

THE CHASE MANHATTAN BANK,
  as Trustee

By:
   -------------------------------------------
   Authorized Officer

                                       5
<PAGE>

                         [FORM OF REVERSE OF SECURITY]

     This Note is one of a duly authorized issue of Medium-Term Notes, Series
[D/E], having maturities more than nine months from the date of issue (the
"Notes"), of the Issuer. The Notes are issuable under an Amended and Restated
Senior Indenture, dated as of May 1, 1999, between the Issuer and The Chase
Manhattan Bank, as Trustee (the "Trustee," which term includes any successor
trustee under the Senior Indenture) (as may be amended or supplemented from
time to time, the "Senior Indenture"), to which Senior Indenture and all
indentures supplemental thereto reference is hereby made for a statement of the
respective rights, limitations of rights, duties and immunities of the Issuer,
the Trustee and holders of the Notes and any coupons appertaining thereto and
the terms upon which the Notes are, and are to be, authenticated and delivered.
The Issuer has appointed The Chase Manhattan Bank, London Branch, as its
principal paying agent for the Notes and the coupons appertaining thereto (the
"Principal Paying Agent," which term includes any additional or successor
Principal Paying Agent appointed by the Issuer). The terms of individual Notes
may vary with respect to interest rates, interest rate formulas, issue dates,
maturity dates, or otherwise, all as provided in the Senior Indenture. To the
extent not inconsistent herewith, the terms of the Senior Indenture are hereby
incorporated by reference herein.

     If this Note is denominated in pounds sterling, the Issuer represents that
it is not an authorized institution (for purposes of the United Kingdom Banking
Act 1987) nor a European authorized institution as defined by Regulation 3 of
the Banking Co-ordination (Second Council Directive) Regulations 1992 and
repayment of the principal of, and payment of any interest or premium on, this
Note has not been guaranteed, that it has complied with its obligations under
the listing rules of the London Stock Exchange plc (the "Rules") and that,
since the last publication in compliance with the Rules of information about
it, it, having made all reasonable inquiries, has not become aware of any
change in circumstances which could reasonably be regarded as significantly and
adversely affecting its ability to meet its obligations in respect of the Notes
as they fall due.

     Unless otherwise indicated on the face hereof, this Note will not be
subject to any sinking fund and, unless otherwise indicated on the face hereof
in accordance with the provisions of the following two paragraphs and except as
set forth below, will not be redeemable or subject to repayment at the option
of the holder prior to maturity.

     If so indicated on the face hereof, this Note may be redeemed in whole or
in part at the option of the Issuer on or after the Initial Redemption Date
specified on the face hereof on the terms set forth on the face hereof,
together with interest accrued and unpaid hereon to the date of redemption
(except as indicated below). If this Note is subject to "Annual Redemption
Percentage Reduction," the Initial Redemption Percentage indicated on the face
hereof will be reduced on each anniversary of the Initial Redemption Date by
the Annual Redemption Percentage Reduction specified on the face hereof until
the redemption price of this Note is 100% of the principal amount hereof,
together with interest accrued and unpaid hereon to the date of redemption
(except as provided below). Notice of redemption to holders of Notes shall be
published in the manner set forth in "Notices" as defined below once in each of
three successive calendar weeks, the first publication

                                       6
<PAGE>

to be not less than 30 nor more than 60 days prior to the date set for
redemption or within the Redemption Notice Period specified on the face hereof.
In the event of redemption of this Note in part only, a new Note or Notes for
the amount of the unredeemed portion hereof shall be issued upon the
cancellation hereof. If redeemed prior to maturity, this Note must be presented
for payment together with all unmatured coupons, if any, appertaining hereto,
failing which the amount of any missing unmatured coupon will be deducted from
the sum due for payment; provided, however, that such deduction may be waived
by the Issuer and the Principal Paying Agent if there is furnished to each of
them such security or indemnity as they may require.

     The Company will not be required (i) to exchange any Bearer Note to be
redeemed for a period of fifteen calendar days preceding the first publication
of the relevant notice of redemption or (ii) to exchange any Bearer Note
selected for redemption or surrendered for optional repayment, except that such
Bearer Note may be exchanged for a Registered Note of like tenor unless
indicated otherwise on the face of this Note, provided that such Registered
Note shall be simultaneously surrendered for redemption or repayment, as the
case may be.

     If so indicated on the face of this Note, this Note will be subject to
repayment at the option of the holder on the Optional Repayment Date or Dates
specified on the face hereof on the terms set forth herein. On any Optional
Repayment Date, this Note will be repayable in whole or in part in increments
of $1,000 or, if this Note is denominated in a Specified Currency other than
U.S. dollars, in increments of 1,000 units of such Specified Currency (provided
that any remaining principal amount hereof shall not be less than the minimum
authorized denomination hereof) at the option of the holder hereof at a price
equal to 100% of the principal amount to be repaid, together with interest
accrued and unpaid hereon to the date of repayment (except as provided below).
For this Note to be repaid at the option of the holder hereof, the Principal
Paying Agent must receive at its office in London, at least 15 but not more
than 30 days prior to the date of repayment, this Note, together with all
unmatured coupons appertaining hereto, with the form entitled "Option to Elect
Repayment" below duly completed, or a telegram, telex, facsimile transmission
or a letter from a member of a national securities exchange, or the National
Association of Securities Dealers, Inc. or a commercial bank or trust company
in the United States, Western Europe or Japan setting forth the principal
amount of the Note, the principal amount of the Note to be repaid, the
certificate number or a description of the tenor and terms of this Note, a
statement that the Option to Elect Repayment is being exercised and a guarantee
that this Note to be repaid, together with all unmatured coupons appertaining
hereto and the duly completed form entitled Option to Elect Repayment, will be
received by the principal paying agent not later than the fifth Business Day
after the date of that telegram, telex, facsimile transmission or letter.
However, the telegram, telex, facsimile transmission or letter shall only be
effective if this Note, all unmatured coupons appertaining hereto and an Option
to Elect Repayment form duly completed are received by the Paying Agent by the
fifth Business Day after the date of such telegram, telex, facsimile
transmission or letter. Exercise of such repayment option by the holder hereof
shall be irrevocable.

     This Note will bear interest at the rate determined in accordance with the
applicable provisions below by reference to the Base Rate shown on the face
hereof based on the Index

                                       7
<PAGE>

Maturity, if any, shown on the face hereof (i) plus or minus the Spread, if
any, or (ii) multiplied by the Spread Multiplier, if any, specified on the face
hereof. Commencing with the Initial Interest Reset Date specified on the face
hereof, the rate at which interest on this Note is payable shall be reset as of
each Interest Reset Date specified on the face hereof (as used herein, the term
"Interest Reset Date" shall include the Initial Interest Reset Date). The
determination of the rate of interest at which this Note will be reset on any
Interest Reset Date shall be made on the Interest Determination Date (as
defined below) pertaining to such Interest Reset Date. The Interest Reset Dates
will be the Interest Reset Dates specified on the face hereof; provided,
however, that the interest rate in effect for the period from the Interest
Accrual Date to the Initial Interest Reset Date will be the Initial Interest
Rate. If any Interest Reset Date would otherwise be a day that is not a
Business Day (as defined below), such Interest Reset Date shall be postponed to
the next succeeding day that is a Business Day, except that if the Base Rate
specified on the face hereof is LIBOR or EURIBOR and such Business Day is in
the next succeeding calendar month, such Interest Reset Date shall be the
immediately preceding Business Day.

     The Interest Determination Date pertaining to an Interest Reset Date for
Notes bearing interest calculated by reference to the CD Rate, Commercial Paper
Rate, Federal Funds Rate, Prime Rate and CMT Rate will be the second Business
Day preceding such Interest Reset Date. The Interest Determination Date
pertaining to an Interest Reset Date for Notes bearing interest calculated by
reference to EURIBOR (or to LIBOR when the Index Currency is euros) shall be
the second TARGET Settlement Day preceding such Interest Reset Date. The
Interest Determination Date pertaining to an Interest Reset Date for Notes
bearing interest calculated by reference to LIBOR (other than for LIBOR Notes
for which the Index Currency is euros) shall be the second London Banking Day
preceding such Interest Reset Date, except that the Interest Determination Date
pertaining to an Interest Reset Date for a LIBOR Note for which the Index
Currency is pounds sterling will be such Interest Reset Date. As used herein,
"London Banking Day" means any day on which dealings in deposits in the Index
Currency (as defined herein) are transacted in the London interbank market. The
Interest Determination Date pertaining to an Interest Reset Date for Notes
bearing interest calculated by reference to the Treasury Rate shall be the day
of the week in which such Interest Reset Date falls on which Treasury bills
normally would be auctioned; provided, however, that if as a result of a legal
holiday an auction is held on the Friday of the week preceding such Interest
Reset Date, the related Interest Determination Date shall be such preceding
Friday; and provided, further, that if an auction shall fall on any Interest
Reset Date, then the Interest Reset Date shall instead be the first Business
Day following the date of such auction.

     Unless otherwise specified on the face hereof, the "Calculation Date"
pertaining to an Interest Determination Date will be the earlier of (i) the
tenth calendar day after such Interest Determination Date or, if such day is
not a Business Day, the next succeeding Business Day, or (ii) the Business Day
preceding the applicable Interest Payment Date or Maturity Date (or, with
respect to any principal amount to be redeemed or repaid, any redemption or
repayment date), as the case may be.

                                       8
<PAGE>

     Determination of CD Rate. If the Base Rate specified on the face hereof is
the "CD Rate," for any Interest Determination Date, the CD Rate with respect to
this Note shall be the rate on that date for negotiable certificates of deposit
having the Index Maturity specified on the face hereof as published by the
Board of Governors of the Federal Reserve System in "Statistical Release
H.15(519), Selected Interest Rates," or any successor publication of the Board
of Governors of the Federal Reserve System ("H.15(519)") under the heading "CDs
(Secondary Market)."

     The following procedures shall be followed if the CD Rate cannot be
determined as described above:

     (i) If the above rate is not published in H.15(519) by 9:00 a.m., New York
City time, on the Calculation Date, the CD Rate shall be the rate on that
Interest Determination Date set forth in the daily update of H.15(519),
available through the world wide website of the Board of Governors of the
Federal Reserve System at http://www.bog.frb.fed.us/releases/h15/update, or any
successor site or publication ("H.15 Daily Update") for the Interest
Determination Date for certificates of deposit having the Index Maturity
specified on the face hereof, under the caption "CDs (Secondary Market)."

     (ii) If the above rate is not yet published in either H.15(519) or the
H.15 Daily Update by 3:00 p.m., New York City time, on the Calculation Date,
the Calculation Agent shall determine the CD Rate to be the arithmetic mean of
the secondary market offered rates as of 10:00 a.m., New York City time, on
that Interest Determination Date of three leading nonbank dealers in negotiable
U.S. dollar certificates of deposit in The City of New York selected by the
Calculation Agent (after consultation with the Issuer) for negotiable
certificates of deposit of major United States money center banks of the
highest credit standing in the market for negotiable certificates of deposit
with a remaining maturity closest to the Index Maturity specified on the face
hereof in an amount that is representative for a single transaction in that
market at that time.

     (iii) If the dealers selected by the Calculation Agent are not quoting as
set forth in (ii) above, the CD Rate for that Interest Determination Date shall
remain the CD Rate for the immediately preceding Interest Reset Period, or, if
there was no Interest Reset Period, the rate of interest payable shall be the
Initial Interest Rate.

     Determination of Commercial Paper Rate. If the Base Rate specified on the
face hereof is the "Commercial Paper Rate," for any Interest Determination
Date, the Commercial Paper Rate with respect to this Note shall be the Money
Market Yield (as defined herein), calculated as described below, of the rate on
that date for commercial paper having the Index Maturity specified on the face
hereof, as that rate is published in H.15(519), under the heading "Commercial
Paper -- Nonfinancial."

     The following procedures shall be followed if the Commercial Paper Rate
cannot be determined as described above:

                                       9
<PAGE>

     (i) If the above rate is not published by 9:00 a.m., New York City time,
on the Calculation Date, then the Commercial Paper Rate shall be the Money
Market Yield of the rate on that Interest Determination Date for commercial
paper of the Index Maturity specified on the face hereof as published in the
H.15 Daily Update under the heading "Commercial Paper -- Nonfinancial."

     (ii) If by 3:00 p.m., New York City time, on that Calculation Date the
rate is not yet published in either H.15(519) or the H.15 Daily Update, then
the Calculation Agent shall determine the Commercial Paper Rate to be the Money
Market Yield of the arithmetic mean of the offered rates as of 11:00 a.m., New
York City time, on that Interest Determination Date of three leading dealers of
commercial paper in The City of New York selected by the Calculation Agent
(after consultation with the Issuer) for commercial paper of the Index Maturity
specified on the face hereof, placed for an industrial issuer whose bond rating
is "AA," or the equivalent, from a nationally recognized statistical rating
agency.

     (iii) If the dealers selected by the Calculation Agent are not quoting as
set forth in (ii) above, the Commercial Paper Rate for that Interest
Determination Date shall remain the Commercial Paper Rate for the immediately
preceding Interest Reset Period, or, if there was no Interest Reset Period, the
rate of interest payable shall be the Initial Interest Rate.

     The "Money Market Yield" shall be a yield calculated in accordance with
the following formula:

                                       D x 360
               Money Market Yield = ------------- x 100
                                    360 - (D x M)

where "D" refers to the applicable per year rate for commercial paper quoted on
a bank discount basis and expressed as a decimal and "M" refers to the actual
number of days in the interest period for which interest is being calculated.

     Determination of EURIBOR Notes. If the Base Rate specified on the face
hereof is "EURIBOR," for any Interest Determination Date, EURIBOR with respect
to this Note shall be the rate for deposits in euros as sponsored, calculated
and published jointly by the European Banking Federation and ACI - The
Financial Market Association, or any company established by the joint sponsors
for purposes of compiling and publishing those rates, for the Index Maturity
specified on the face hereof as that rate appears on the display on Bridge
Telerate, Inc., or any successor service, on page 248 or any other page as may
replace page 248 on that service ("Telerate Page 248") as of 11:00 a.m.
(Brussels time).

     The following procedures shall be followed if the rate cannot be
determined as described above:

     (i) If the above rate does not appear, the Calculation Agent shall request
the principal Euro-zone office of each of four major banks in the Euro-zone
interbank market, as selected by the

                                       10
<PAGE>

Calculation Agent (after consultation with the Issuer) to provide the
Calculation Agent with its offered rate for deposits in euros, at approximately
11:00 a.m. (Brussels time) on the Interest Determination Date, to prime banks
in the Euro-zone interbank market for the Index Maturity specified on the face
hereof commencing on the applicable Interest Reset Date, and in a principal
amount not less than the equivalent of U.S.$1 million in euro that is
representative of a single transaction in euro, in that market at that time. If
at least two quotations are provided, EURIBOR shall be the arithmetic mean of
those quotations.

     (ii) If fewer than two quotations are provided, EURIBOR shall be the
arithmetic mean of the rates quoted by four major banks in the Euro-zone, as
selected by the Calculation Agent (after consultation with the Issuer) at
approximately 11:00 a.m. (Brussels time), on the applicable Interest Reset Date
for loans in euro to leading European banks for a period of time equivalent to
the Index Maturity specified on the face hereof commencing on that Interest
Reset Date in a principal amount not less than the equivalent of U.S.$1 million
in euro.

     (iii) If the banks so selected by the Calculation Agent are not quoting as
set forth in (ii) above, EURIBOR in effect for the applicable period shall be
the same as EURIBOR for the immediately preceding Interest Reset Period, or, if
there was no Interest Reset Period, the rate of interest payable shall be the
Initial Interest Rate.

     "Euro-zone" means the region comprised of member states of the European
Union that adopt the single currency in accordance with the treaty establishing
the European Community, as amended by the treaty on European Union.

     Determination of the Federal Funds Rates. If the Base Rate specified on
the face hereof is the "Federal Funds Rate," for any Interest Determination
Date, the Federal Funds Rate with respect to this Note shall be the rate on
that date for federal funds as published in H.15(519) under the heading
"Federal Funds (Effective)" as displayed on Bridge Telerate, Inc., or any
successor service, on page 120 or any other page as may replace page 120 on
that service ("Telerate Page 120").

     The following procedures shall be followed if the Federal Funds Rate
cannot be determined as described above:

     (i) If the above rate is not published by 9:00 a.m., New York City time,
on the Calculation Date, the Federal Funds Rate shall be the rate on that
Interest Determination Date as published in the H.15 Daily Update under the
heading "Federal Funds/Effective Rate."

     (ii) If the above rate is not yet published in either H.15(519) or the
H.15 Daily Update by 3:00 p.m., New York City time, on the Calculation Date,
the Calculation Agent shall determine the Federal Funds Rate to be the
arithmetic mean of the rates for the last transaction in overnight federal
funds by each of three leading brokers of federal funds transactions in The
City of New York selected by the Calculation Agent (after consultation with the
Issuer) prior to 9:00 a.m., New York City time, on that Interest Determination
Date.

                                       11
<PAGE>

     (iii) If the brokers selected by the Calculation Agent are not quoting as
set forth above, the Federal Funds Rate for that Interest Determination Date
shall remain the Federal Funds Rate for the immediately preceding Interest
Reset Period, or, if there was no Interest Reset Period, the rate of interest
payable shall be the Initial Interest Rate.

     Determination of LIBOR. If the Base Rate specified on the face hereof is
"LIBOR," LIBOR with respect to this Note shall be based on London interbank
offered rate. The Calculation Agent shall determine "LIBOR" for each Interest
Determination Date as follows:

     (i) As of the Interest Determination Date, LIBOR shall be either: (a) if
"LIBOR Reuters" is specified as the Reporting Service on the face hereof, the
arithmetic mean of the offered rates for deposits in the Index Currency having
the Index Maturity designated on the face hereof, commencing on the second
London Banking Day immediately following that Interest Determination Date, that
appear on the Designated LIBOR Page, as defined below, as of 11:00 a.m., London
time, on that Interest Determination Date, if at least two offered rates appear
on the Designated LIBOR Page; except that if the specified Designated LIBOR
Page, by its terms provides only for a single rate, that single rate shall be
used; or (b) if "LIBOR Telerate" is specified as the Reporting Service on the
face hereof, the rate for deposits in the Index Currency having the Index
Maturity designated on the face hereof, commencing on the second London Banking
Day immediately following that Interest Determination Date or, if pounds
sterling is the Index Currency, commencing on that Interest Determination Date,
that appears on the Designated LIBOR Page at approximately 11:00 a.m., London
time, on that Interest Determination Date.

     (ii) If (a) fewer than two offered rates appear and LIBOR Reuters is
specified on the face hereof, or (b) no rate appears and the face hereof
specifies either (x) LIBOR Telerate or (y) LIBOR Reuters and the Designated
LIBOR Page by its terms provides only for a single rate, then the Calculation
Agent shall request the principal London offices of each of four major
reference banks in the London interbank market, as selected by the Calculation
Agent (after consultation with the Issuer) to provide the Calculation Agent
with its offered quotation for deposits in the Index Currency for the period of
the Index Maturity specified on the face hereof commencing on the second London
Banking Day immediately following the Interest Determination Date or, if pounds
sterling is the Index Currency, commencing on that Interest Determination Date,
to prime banks in the London interbank market at approximately 11:00 a.m.,
London time, on that Interest Determination Date and in a principal amount that
is representative of a single transaction in that Index Currency in that market
at that time.

     (iii) If at least two quotations are provided, LIBOR determined on that
Interest Determination Date shall be the arithmetic mean of those quotations.
If fewer than two quotations are provided, LIBOR shall be determined for the
applicable Interest Reset Date as the arithmetic mean of the rates quoted at
approximately 11:00 a.m., London time, or some other time specified on the face
hereof, in the applicable principal financial center for the country of the
Index Currency on that Interest Reset Date, by three major banks in that
principal financial center selected by the

                                       12
<PAGE>

Calculation Agent (after consultation with the Issuer) for loans in the Index
Currency to leading European banks, having the Index Maturity specified on the
face hereof and in a principal amount that is representative of a single
transaction in that Index Currency in that market at that time.

     (iv) If the banks so selected by the Calculation Agent are not quoting as
described in (iii) above, LIBOR in effect for the applicable period shall be
the same as LIBOR for the immediately preceding Interest Reset Period, or, if
there was no Interest Reset Period, the rate of interest payable shall be the
Initial Interest Rate.

     The "Index Currency" means the currency specified on the face hereof as
the currency for which LIBOR shall be calculated, or, if the euro is
substituted for that currency, the Index Currency shall be the euro. If that
currency is not specified on the face hereof, the Index Currency shall be U.S.
dollars.

     "Designated LIBOR Page" means either: (a) if LIBOR Reuters is designated
as the Reporting Service on the face hereof, the display on the Reuters Monitor
Money Rates Service for the purpose of displaying the London interbank rates of
major banks for the applicable Index Currency or its designated successor, or
(b) if LIBOR Telerate is designated as the Reporting Service on the face
hereof, the display on Bridge Telerate Inc., or any successor service, on the
page specified on the face hereof, or any other page as may replace that page
on that service, for the purpose of displaying the London interbank rates of
major banks for the applicable Index Currency.

     If neither LIBOR Reuters nor LIBOR Telerate is specified on the face
hereof, LIBOR for the applicable Index Currency shall be determined as if LIBOR
Telerate were specified, and, if the U.S. dollar is the Index Currency, as if
Page 3750, had been specified.

     Determination of Prime Rate. If the Base Rate specified on the face hereof
is "Prime Rate," for any Interest Determination Date, the Prime Rate with
respect to this Note shall be the rate on that date as published in H.15(519)
under the heading "Bank Prime Loan."

     The following procedures shall be followed if the Prime Rate cannot be
determined as described above:

     (i) If the above rate is not published prior to 9:00 a.m., New York City
time, on the Calculation Date, then the Prime Rate shall be the rate on that
Interest Determination Date as published in H.15 Daily Update under the heading
"Bank Prime Loan."

     (ii) If the above rate is not published in either H.15(519) or the H.15
Daily Update by 3:00 p.m., New York City time, on the Calculation Date, the
Calculation Agent shall determine the Prime Rate to be the arithmetic mean of
the rates of interest publicly announced by each bank that appears on the
Reuters Screen USPRIME 1 Page, as defined below, as that bank's Prime Rate or
base lending rate as in effect for that Interest Determination Date.

                                       13
<PAGE>

     (iii) If fewer than four rates appear on the Reuters Screen USPRIME 1 Page
for that Interest Determination Date, the Calculation Agent shall determine the
Prime Rate to be the arithmetic mean of the Prime Rates quoted on the basis of
the actual number of days in the year divided by 360 as of the close of
business on that Interest Determination Date by at least three major banks in
The City of New York selected by the Calculation Agent (after consultation with
the Issuer).

     (iv) If the banks selected by the Calculation Agent are not quoting as set
forth in (iii) above, the Prime Rate for that Interest Determination Date shall
remain the Prime Rate for the immediately preceding Interest Reset Period, or,
if there was no Interest Reset Period, the rate of interest payable shall be
the Initial Interest Rate.

     "Reuters Screen USPRIME 1 Page" means the display designated as page
"USPRIME 1" on the Reuters Monitor Money Rates Service, or any successor
service, or any other page as may replace the USPRIME 1 Page on that service
for the purpose of displaying prime rates or base lending rates of major United
States banks.

     Determination of Treasury Rate. If the Base Rate specified on the face
hereof is "Treasury Rate," the Treasury Rate with respect to this Note shall
be:

     (i) the rate from the Auction held on the applicable Interest
Determination Date (the "Auction") of direct obligations of the United States
("Treasury Bills") having the Index Maturity specified on the face hereof as
that rate appears under the caption "INVESTMENT RATE" on the display on Bridge
Telerate, Inc., or any successor service, on page 56 or any other page as may
replace page 56 on that service ( "Telerate Page 56") or page 57 or any other
page as may replace page 57 on that service ( "Telerate Page 57"); or

     (ii) if the rate described in (i) above is not published by 3:00 p.m., New
York City time, on the Calculation Date, the Bond Equivalent Yield of the rate
for the applicable Treasury Bills as published in the H.15 Daily Update, or
other recognized electronic source used for the purpose of displaying the
applicable rate, under the caption "U.S. Government Securities/Treasury
Bills/Auction High;" or

     (iii) if the rate described in (ii) above is not published by 3:00 p.m.,
New York City time, on the related Calculation Date, the Bond Equivalent Yield
of the Auction rate of the applicable Treasury Bills, announced by the United
States Department of the Treasury; or

     (iv) if the rate described in (iii) above is not announced by the United
States Department of the Treasury, or if the Auction is not held, the Bond
Equivalent Yield of the rate on the applicable Interest Determination Date of
Treasury Bills having the Index Maturity specified on the face hereof published
in H.15(519) under the caption "U.S. Government Securities/Treasury
Bills/Secondary Market;" or

                                       14
<PAGE>

     (v) if the rate described in (iv) above is not so published by 3:00 p.m.,
New York City time, on the related Calculation Date, the rate on the applicable
Interest Determination Date of the applicable Treasury Bills as published in
H.15 Daily Update, or other recognized electronic source used for the purpose
of displaying the applicable rate, under the caption "U.S. Government
Securities/Treasury Bills/Secondary Market;" or

     (vi) if the rate described in (v) above is not so published by 3:00 p.m.,
New York City time, on the related Calculation Date, the rate on the applicable
Interest Determination Date calculated by the Calculation Agent as the Bond
Equivalent Yield of the arithmetic mean of the secondary market bid rates, as
of approximately 3:30 p.m., New York City time, on the applicable Interest
Determination Date, of three primary United States government securities
dealers, which may include the agent or its affiliates, selected by the
Calculation Agent, for the issue of Treasury Bills with a remaining maturity
closest to the Index Maturity specified on the face hereof; or

     (vii) if the dealers selected by the Calculation Agent are not quoting as
described in (vi), the Treasury Rate for the immediately preceding Interest
Reset Period, or, if there was no Interest Reset Period, the rate of interest
payable shall be the Initial Interest Rate.

     The "Bond Equivalent Yield" means a yield calculated in accordance with
the following formula and expressed as a percentage:

                                           D x N
               Bond Equivalent Yield = ------------- x 100
                                       360 - (D x M)

where "D" refers to the applicable per annum rate for Treasury Bills quoted on
a bank discount basis, "N" refers to 365 or 366, as the case may be, and "M"
refers to the actual number of days in the interest period for which interest
is being calculated.

     Determination of CMT Rate. If the Base Rate specified on the face hereof
is the "CMT Rate," for any Interest Determination Date, the CMT Rate with
respect to this Note shall be the rate displayed on the Designated CMT Telerate
Page (as defined below) under the caption "... Treasury Constant Maturities ...
Federal Reserve Board Release H.15... Mondays Approximately 3:45 p.m.," under
the column for the Designated CMT Maturity Index, as defined below, for:

     (1) the rate on that Interest Determination Date, if the Designated CMT
Telerate Page is 7051; and

     (2) the week or the month, as applicable, ended immediately preceding the
week in which the related Interest Determination Date occurs, if the Designated
CMT Telerate Page is 7052.

     The following procedures shall be followed if the CMT Rate cannot be
determined as described above:

                                       15
<PAGE>

     (i) If the above rate is no longer displayed on the relevant page, or if
not displayed by 3:00 p.m., New York City time, on the related Calculation
Date, then the CMT Rate shall be the Treasury Constant Maturity rate for the
Designated CMT Maturity Index as published in the relevant H.15(519).

     (ii) If the rate as described in (i) above is no longer published, or if
not published by 3:00 p.m., New York City time, on the related Calculation
Date, then the CMT Rate shall be the Treasury Constant Maturity Rate for the
Designated CMT Maturity Index or other United States Treasury rate for the
Designated CMT Maturity Index on the Interest Determination Date as may then be
published by either the Board of Governors of the Federal Reserve System or the
United States Department of the Treasury that the Calculation Agent determines
to be comparable to the rate formerly displayed on the Designated CMT Telerate
Page and published in the relevant H.15(519).

     (iii) If the information set forth in (ii) above is not provided by 3:00
p.m., New York City time, on the related Calculation Date, then the Calculation
Agent shall determine the CMT Rate to be a yield to maturity, based on the
arithmetic mean of the secondary market closing offer side prices as of
approximately 3:30 p.m., New York City time, on the Interest Determination
Date, reported, according to their written records, by three leading primary
United States government securities dealers ("Reference Dealers") in The City
of New York, which may include an agent or other affiliates of the Issuer,
selected by the Calculation Agent as described in the following sentence. The
Calculation Agent shall select five reference dealers (after consultation with
the Issuer) and shall eliminate the highest quotation or, in the event of
equality, one of the highest, and the lowest quotation or, in the event of
equality, one of the lowest, for the most recently issued direct noncallable
fixed rate obligations of the United States ("Treasury Notes") with an original
maturity of approximately the Designated CMT Maturity Index and a remaining
term to maturity of not less than that Designated CMT Maturity Index minus one
year. If two Treasury Notes with an original maturity as described above have
remaining terms to maturity equally close to the Designated CMT Maturity Index,
the quotes for the Treasury Note with the shorter remaining term to maturity
shall be used.

     (iv) If the Calculation Agent cannot obtain three Treasury Notes
quotations as described in (iii) above, the Calculation Agent shall determine
the CMT Rate to be a yield to maturity based on the arithmetic mean of the
secondary market offer side prices as of approximately 3:30 p.m., New York City
time, on the Interest Determination Date of three reference dealers in The City
of New York, selected using the same method described in (iii) above, for
Treasury Notes with an original maturity equal to the number of years closest
to but not less than the Designated CMT Maturity Index and a remaining term to
maturity closest to the Designated CMT Maturity Index and in an amount of at
least $100,000,000.

     (v) If three or four (and not five) of the reference dealers are quoting
as described in (iv) above, then the CMT Rate shall be based on the arithmetic
mean of the offer prices obtained and neither the highest nor the lowest of
those quotes shall be eliminated.

                                       16
<PAGE>

     (vi) If fewer than three reference dealers selected by the Calculation
Agent are quoting as described in (iv) above, the CMT Rate for that Interest
Determination Date shall remain the CMT Rate for the immediately preceding
Interest Reset Period, or, if there was no Interest Reset Period, the rate of
interest payable shall be the Initial Interest Rate.

     "Designated CMT Telerate Page" means the display on Bridge Telerate, Inc.,
or any successor service, on the page designated on the face hereof or any
other page as may replace that page on that service for the purpose of
displaying Treasury Constant Maturities as reported in H.15(519). If no page is
specified on the face hereof, the Designated CMT Telerate Page shall be 7052,
for the most recent week.

     "Designated CMT Maturity Index" means the original period to maturity of
the U.S. Treasury securities, which is either 1, 2, 3, 5, 7, 10, 20 or 30
years, as specified in the applicable pricing supplement for which the CMT Rate
shall be calculated. If no maturity is specified on the face hereof, the
Designated CMT Maturity Index shall be two years.

     Notwithstanding the foregoing, the interest rate hereon shall not be
greater than the Maximum Interest Rate, if any, or less than the Minimum
Interest Rate, if any, specified on the face hereof. The Calculation Agent
shall calculate the interest rate hereon in accordance with the foregoing on or
before each Calculation Date. The interest rate on this Note will in no event
be higher than the maximum rate permitted by New York law, as the same may be
modified by United States Federal law of general application.

     At the request of the holder hereof, the Calculation Agent will provide to
the holder hereof the interest rate hereon then in effect and, if determined,
the interest rate that will become effective as of the next Interest Reset
Date.

     Interest payments on this Note will include interest accrued to but
excluding the Interest Payment Date or the Maturity Date (or any earlier
redemption or repayment date), as the case may be. Accrued interest hereon
shall be an amount calculated by multiplying the principal amount hereof shown
on Schedule A hereto by an accrued interest factor. Such accrued interest
factor shall be computed by adding the interest factor calculated for each day
in the period for which interest is being paid. Unless otherwise specified on
the face hereof, the interest factor for each such date shall be computed by
dividing the interest rate applicable to such day (i) by 360 if the Base Rate
is CD Rate, Commercial Paper Rate, EURIBOR, Federal Funds Rate, Prime Rate or
LIBOR (except if the Index Currency is pounds sterling); (ii) by 365 if the
Base Rate is LIBOR and the Index Currency is pounds sterling; or (iii) by the
actual number of days in the year if the Base Rate is the Treasury Rate or the
CMT Rate. All percentages used in or resulting from any calculation of the rate
of interest on this Note will be rounded, if necessary, to the nearest one
hundred-thousandth of a percentage point (with 0.000005% being rounded up to
0.00001%) and all U.S. dollar amounts used in or resulting from such
calculations on this Note will be rounded to the nearest cent (with one-half
cent rounded upward). All Japanese Yen amounts used in or resulting from such
calculations will be rounded downwards to the next lower whole Japanese Yen
amount. All amounts denominated

                                       17
<PAGE>

in any other currency used in or resulting from such calculations will be
rounded to the nearest two decimal places in such currency with 0.005 being
rounded upwards. The interest rate in effect on any Interest Reset Date will be
the applicable rate as reset on such date. The interest rate applicable to any
other day is the interest rate from the immediately preceding Interest Reset
Date (or, if none, the Initial Interest Rate).

     This Note and the coupons appertaining hereto and all the obligations of
the Issuer hereunder are direct, unsecured obligations of the Issuer and rank
without preference or priority among themselves and pari passu with all other
existing and future unsecured and unsubordinated indebtedness of the Issuer,
subject to certain statutory exceptions in the event of liquidation upon
insolvency.

     This Note is issued in definitive bearer form with coupons attached (a
"Definitive Bearer Note") and, unless otherwise indicated on the face hereof,
is issuable only in the minimum denominations set forth on the face hereof or
any amount in excess thereof which is an integral multiple of 1,000 units of
the Specified Currency set forth on the face hereof.

     This Note and the coupons appertaining hereto may be transferred by
delivery. At the option of the holder of this Note, and subject to the terms of
the Senior Indenture, this Note (with all unmatured coupons, and all matured
coupons, if any, in default appertaining hereto) will be exchanged for two or
more Definitive Bearer Notes (if this Note is issuable in more than one
authorized denomination) or for a Registered Note, in each case, of any
authorized denomination of like tenor and in an equal aggregate principal
amount, in accordance with the provisions of the Senior Indenture, at the
office of the Trustee in The City of New York (which initially has been
appointed registrar and transfer agent for the Notes) or at the office of the
Principal Paying Agent in London (which initially has been appointed transfer
agent for the Notes), or at the office of any transfer agent designated by the
Issuer for such purpose. If this Note is surrendered in exchange for a
Registered Note after the close of business at any such office on any record
date (whether or not a Business Day) for the payment of interest on such
Registered Note and before the opening of business at such office on the
relevant Interest Payment Date, this Note shall be surrendered without the
coupon relating to such Interest Payment Date. All such exchanges of Notes and
coupons will be free of service charge, but the Issuer may require payment of a
sum sufficient to cover any tax or other governmental charge payable in
connection therewith. None of the Issuer, the Trustee or any agent of the
Issuer or the Trustee shall be required to exchange this Note for a Registered
Note if such exchange would result in adverse United States federal income tax
consequences to the Issuer under then applicable United States federal income
tax laws.

     The date of any Registered Note delivered upon any exchange of this Note
shall be such that no gain or loss of interest results from such exchange.

     In case this Note or any coupon appertaining hereto shall at any time
become mutilated, defaced or be destroyed, lost or stolen and this Note or such
coupon or evidence of the loss, theft or destruction thereof (together with the
indemnity hereinafter referred to and such other documents

                                       18
<PAGE>

or proof as may be required in the premises) shall be delivered to the Trustee,
the Issuer in its discretion may execute a new Note of like tenor in exchange
for the Note, or in lieu of the Note so destroyed or lost or stolen, with
coupons corresponding to the coupons appertaining to the Note so mutilated,
defaced, destroyed, lost or stolen, or in exchange for the Note to which such
mutilated, defaced, destroyed, lost or stolen coupon appertained, with coupons
appertaining thereto corresponding to the coupons so mutilated, defaced,
destroyed, lost or stolen, but, if this Note or coupon is destroyed, lost or
stolen, only upon receipt of evidence satisfactory to the Trustee and the
Issuer that this Note or coupon was destroyed or lost or stolen and, if
required, upon receipt also of indemnity satisfactory to each of them. All
expenses and reasonable charges associated with procuring such indemnity and
with the preparation, authentication and delivery of a new Note and coupons
shall be borne by the owner of the Note or the coupons mutilated, defaced,
destroyed, lost or stolen.

     This Note may be redeemed, as a whole, at the option of the Issuer at any
time prior to maturity, upon the giving of a notice of redemption as described
below, at a redemption price equal to 100% of the principal amount hereof,
together with accrued interest to the date fixed for redemption, if the Issuer
determines that, as a result of any change in or amendment to the laws (or any
regulations or rulings promulgated thereunder) of the United States or of any
political subdivision or taxing authority thereof or therein affecting
taxation, or any change in official position regarding the application or
interpretation of such laws, regulations or rulings, which change or amendment
becomes effective on or after the Initial Offering Date hereof, the Issuer has
or will become obligated to pay Additional Amounts (as defined below) with
respect to this Note as described below. Prior to the giving of any Notice of
redemption pursuant to this paragraph, the Issuer shall deliver to the Trustee
(i) a certificate stating that the Issuer is entitled to effect such redemption
and setting forth a statement of facts showing that the conditions precedent to
the right of the Issuer to so redeem have occurred, and (ii) an opinion of
independent counsel satisfactory to the Trustee to such effect based on such
statement of facts; provided that no such notice of redemption shall be given
earlier than 60 days prior to the earliest date on which the Issuer would be
obligated to pay such Additional Amounts if a payment in respect of this Note
were then due.

     Notice of redemption will be given not less than 30 nor more than 60 days
prior to the date fixed for redemption or within the Redemption Notice Period
specified on the face hereof, which date and the applicable redemption price
will be specified in the Notice.

     If the Issuer shall determine that any payment made outside the United
States by the Issuer or any Paying Agent of principal, premium or interest due
in respect of this Note or any coupons appertaining hereto would, under any
present or future laws or regulations of the United States, be subject to any
certification, identification or other information reporting requirement of any
kind, the effect of which is the disclosure to the Issuer, any Paying Agent or
any governmental authority of the nationality, residence or identity of a
beneficial owner of this Note or any coupons appertaining hereto who is a
United States Alien (as defined below) (other than such a requirement (a) that
would not be applicable to a payment made by the Issuer or any Paying Agent (i)
directly to the beneficial owner or (ii) to a custodian, nominee or other agent
of the beneficial owner, or (b) that

                                       19
<PAGE>

can be satisfied by such custodian, nominee or other agent certifying to the
effect that such beneficial owner is a United States Alien; provided that in
each case referred to in clauses (a)(ii) and (b) payment by such custodian,
nominee or agent to such beneficial owner is not otherwise subject to any such
requirement), the Issuer shall redeem this Note, as a whole, at a redemption
price equal to 100% of the principal amount thereof, together with accrued
interest to the date fixed for redemption, or, at the election of the Issuer if
the conditions of the next succeeding paragraph are satisfied, pay the
additional amounts specified in such paragraph. The Issuer shall make such
determination and election as soon as practicable, shall promptly notify the
Trustee thereof and shall publish (or transmit, as applicable) prompt notice
thereof (the "Determination Notice") stating the effective date of such
certification, identification or other information reporting requirements,
whether the Issuer will redeem this Note or has elected to pay the additional
amounts specified in the next succeeding paragraph, and (if applicable) the
last date by which the redemption of this Note must take place, as provided in
the next succeeding sentence. If the Issuer redeems this Note, such redemption
shall take place on such date, not later than one year after the publication of
the Determination Notice, as the Issuer shall elect by notice to the Trustee at
least 60 days prior to the date fixed for redemption or at least 30 days prior
to the last day of the Redemption Notice Period specified on the face hereof.
Notice of such redemption of this Note will be given to the holder of this Note
not more than 60 nor less than 30 days prior to the date fixed for redemption
or within the Redemption Notice Period specified on the face hereof. Such
redemption notice shall include a statement as to the last date by which this
Note to be redeemed may be exchanged for Registered Notes. Notwithstanding the
foregoing, the Issuer shall not so redeem this Note if the Issuer shall
subsequently determine, not less than 30 days prior to the date fixed for
redemption or prior to the last day of the Redemption Notice Period specified
on the face hereof, that subsequent payments would not be subject to any such
certification, identification or other information reporting requirement, in
which case the Issuer shall publish (or transmit, as applicable) prompt notice
of such determination and any earlier redemption notice shall be revoked and of
no further effect. The right of the holder of this Note to exchange this Note
for Registered Notes pursuant to the provisions of this paragraph will
terminate at the close of business of the Principal Paying Agent on the
fifteenth day prior to the date fixed for redemption, and no further exchanges
of this Note for Registered Notes shall be permitted.

     If and so long as the certification, identification or other information
reporting requirements referred to in the preceding paragraph would be fully
satisfied by payment of a backup withholding tax or similar charge, the Issuer
may elect by notice to the Trustee to pay as additional amounts such amounts as
may be necessary so that every net payment made outside the United States
following the effective date of such requirements by the Issuer or any Paying
Agent of principal, premium or interest due in respect of this Note or any
coupons appertaining hereto of which the beneficial owner is a United States
Alien (but without any requirement that the nationality, residence or identity
of such beneficial owner be disclosed to the Issuer, any Paying Agent or any
governmental authority, with respect to the payment of such additional
amounts), after deduction or withholding for or on account of such backup
withholding tax or similar charge (other than a backup withholding tax or
similar charge that (i) would not be applicable in the circumstances referred
to in the second parenthetical clause of the first sentence of the preceding
paragraph, or (ii) is imposed as a result of

                                       20
<PAGE>

presentation of this Note or any coupons appertaining hereto for payment more
than 15 days after the date on which such payment becomes due and payable or on
which payment thereof is duly provided for, whichever occurs later), will not
be less than the amount provided for in this Note or any coupons appertaining
hereto to be then due and payable. In the event the Issuer elects to pay any
additional amounts pursuant to this paragraph, the Issuer shall have the right
to redeem this Note as a whole at any time pursuant to the applicable
provisions of the immediately preceding paragraph and the redemption price of
this Note will not be reduced for applicable withholding taxes. If the Issuer
elects to pay additional amounts pursuant to this paragraph and the condition
specified in the first sentence of this paragraph should no longer be
satisfied, then the Issuer will redeem this Note as a whole, pursuant to the
applicable provisions of the immediately preceding paragraph.

     The Issuer will, subject to certain exceptions and limitations set forth
below, pay such additional amounts (the "Additional Amounts") to the holder of
this Note or any coupons appertaining hereto who is a United States Alien as
may be necessary in order that every net payment of the principal of and
interest on this Note and any other amounts payable on this Note, after
withholding for or on account of any present or future tax, assessment or
governmental charge imposed upon or as a result of such payment by the United
States (or any political subdivision or taxing authority thereof or therein),
will not be less than the amount provided for in this Note or in any such
coupon appertaining hereto to be then due and payable. The Issuer will not,
however, be required to make any payment of Additional Amounts to any such
holder for or on account of:

          (a) any such tax, assessment or other governmental charge that would
     not have been so imposed but for (i) the existence of any present or
     former connection between such holder (or between a fiduciary, settlor,
     beneficiary, member or shareholder of such holder, if such holder is an
     estate, a trust, a partnership or a corporation) and the United States and
     its possessions, including, without limitation, such holder (or such
     fiduciary, settlor, beneficiary, member or shareholder) being or having
     been a citizen or resident thereof or being or having been engaged in a
     trade or business or present therein or having, or having had, a permanent
     establishment therein or (ii) the presentation by the holder of this Note
     or any coupons appertaining hereto for payment on a date more than 15 days
     after the date on which such payment became due and payable or the date on
     which payment thereof is duly provided for, whichever occurs later;

          (b) any estate, inheritance, gift, sales, transfer or personal
     property tax or any similar tax, assessment or governmental charge;

          (c) any tax, assessment or other governmental charge imposed by
     reason of such holder's past or present status as a personal holding
     company or foreign personal holding company or controlled foreign
     corporation or passive foreign investment company with respect to the
     United States or as a corporation which accumulates earnings to avoid
     United States federal income tax or as a private foundation or other
     tax-exempt organization;

                                       21
<PAGE>

          (d) any tax, assessment or other governmental charge that is payable
     otherwise than by withholding from payments on or in respect of this Note
     or any coupons appertaining hereto;

          (e) any tax, assessment or other governmental charge required to be
     withheld by any Paying Agent from any payment of principal of, or interest
     on, this Note, if such payment can be made without such withholding by any
     other Paying Agent in a city in Western Europe;

          (f) any tax, assessment or other governmental charge that would not
     have been imposed but for the failure to comply with certification,
     information or other reporting requirements concerning the nationality,
     residence or identity of the holder or beneficial owner of this Note or
     any coupons appertaining hereto, if such compliance is required by statute
     or by regulation of the United States or of any political subdivision or
     taxing authority thereof or therein as a precondition to relief or
     exemption from such tax, assessment or other governmental charge;

          (g) any tax, assessment or other governmental charge imposed by
     reason of such holder's past or present status as the actual or
     constructive owner of 10% or more of the total combined voting power of
     all classes of stock entitled to vote of the Issuer or as a direct or
     indirect subsidiary of the Issuer; or

          (h) any combination of items (a), (b), (c), (d), (e), (f) or (g);

nor shall Additional Amounts be paid with respect to any payment on this Note
or any coupons appertaining hereto to a United States Alien who is a fiduciary
or partnership or other than the sole beneficial owner of such payment to the
extent such payment would be required by the laws of the United States (or any
political subdivision thereof) to be included in the income, for tax purposes,
of a beneficiary or settlor with respect to such fiduciary or a member of such
partnership or a beneficial owner who would not have been entitled to the
Additional Amounts had such beneficiary, settlor, member or beneficial owner
been the holder of this Note or any coupons appertaining hereto.

     The Senior Indenture provides that (a) if an Event of Default (as defined
in the Senior Indenture) due to the default in payment of principal of or
premium, if any, or interest on any series of debt securities issued under the
Senior Indenture, including the series of Global Medium-Term Notes of which
this Note forms a part, or due to the default in the performance or breach of
any other covenant or warranty of the Issuer applicable to the debt securities
of such series but not applicable to all outstanding debt securities issued
under the Senior Indenture, shall have occurred and be continuing, either the
Trustee or the holders of not less than 25% in principal amount of the debt
securities of each affected series (voting as a single class) may then declare
the principal of all debt securities of all such series and interest accrued
thereon to be due and payable immediately and (b) if an Event of Default due to
a default in the performance of any other of the covenants or agreements in the
Senior Indenture applicable to all outstanding debt securities issued
thereunder,

                                       22
<PAGE>

including this Note, or due to certain events of bankruptcy or insolvency of
the Issuer, shall have occurred and be continuing, either the Trustee or the
holders of not less than 25% in principal amount of all debt securities issued
under the Senior Indenture then outstanding (treated as one class) may declare
the principal of all such debt securities and interest accrued thereon to be
due and payable immediately, but upon certain conditions such declarations may
be annulled and past defaults may be waived (except a continuing default in
payment of principal of or premium, if any, or interest on such debt
securities) by the holders of a majority in principal amount of the debt
securities of all affected series then outstanding.

     The Senior Indenture permits the Issuer and the Trustee, with the consent
of the holders of not less than a majority in aggregate principal amount of the
debt securities of all series issued under the Senior Indenture then
outstanding and affected (voting as one class), to execute supplemental
indentures adding any provisions to or changing in any manner the rights of the
holders of each series so affected; provided that the Issuer and the Trustee
may not, without the consent of the holder of each outstanding debt security
affected thereby, (a) extend the final maturity of any such debt security, or
reduce the principal amount thereof, or reduce the rate or extend the time of
payment of interest thereon, or reduce any amount payable on redemption or
repayment thereof, or change the currency of payment thereof, or modify or
amend the provisions for conversion of any currency into any other currency, or
modify or amend the provisions for conversion or exchange of the debt security
for securities of the Issuer or other entities (other than as provided in the
antidilution provisions or other similar adjustment provisions of the debt
securities or otherwise in accordance with the terms thereof), or impair or
affect the rights of any holder to institute suit for the payment thereof
without the consent of the holder of each debt security so affected; or (b)
reduce the aforesaid percentage in principal amount of debt securities the
consent of the holders of which is required for any such supplemental
indenture.

     Except as set forth below, if the principal of or premium, if any, or
interest on this Note is payable in a Specified Currency other than U.S.
dollars and such Specified Currency is not available to the Issuer for making
payments hereon due to the imposition of exchange controls or other
circumstances beyond the control of the Issuer or is no longer used by the
government of the country issuing such currency or for the settlement of
transactions by public institutions within the international banking community,
then the Issuer will be entitled to satisfy its obligations to the holder of
this Note or any coupons appertaining hereto by making such payments in U.S.
dollars on the basis of the Market Exchange Rate (as defined below) on the date
of such payment or, if the Market Exchange Rate is not available on such date,
as of the most recent practicable date; provided, however, that if the euro has
been substituted for such Specified Currency, the Issuer may at its option (or
shall, if so required by applicable law) without the consent of the holder of
this Note effect the payment of principal of or premium, if any, or interest on
any Note denominated in such Specified Currency in euro in lieu of such
Specified Currency in conformity with legally applicable measures taken
pursuant to, or by virtue of, the treaty establishing the European Community,
as amended by the treaty on European Union. Any payment made under such
circumstances in U.S. dollars or euro where the required payment is in an
unavailable Specified Currency will not constitute an Event of Default. If such
Market Exchange Rate is not then available to the Issuer or

                                       23
<PAGE>

is not published for a particular Specified Currency, the Market Exchange Rate
will be based on the highest bid quotation in The City of New York received by
the Exchange Rate Agent (as defined below) at approximately 11:00 a.m., New
York City time, on the second Business Day preceding the date of such payment
from three recognized foreign exchange dealers (the "Exchange Dealers") for the
purchase by the quoting Exchange Dealer of the Specified Currency for U.S.
dollars for settlement on the payment date, in the aggregate amount of the
Specified Currency payable to those holders or beneficial owners of Notes and
at which the applicable Exchange Dealer commits to execute a contract. One of
the Exchange Dealers providing quotations may be the Exchange Rate Agent unless
the Exchange Rate Agent is an affiliate of the Issuer. If those bid quotations
are not available, the Exchange Rate Agent shall determine the market exchange
rate at its sole discretion.

     The "Exchange Rate Agent" shall be Morgan Stanley & Co. International
Limited, unless otherwise indicated on the face hereof.

     All determinations referred to above made by, or on behalf of, the Issuer
or by, or on behalf of, the Exchange Rate Agent shall be at such entity's sole
discretion and shall, in the absence of manifest error, be conclusive for all
purposes and binding on holders of Notes and coupons appertaining thereto.

     So long as this Note or any coupons appertaining hereto shall be
outstanding, the Issuer will cause to be maintained an office or agency for the
payment of the principal of and premium, if any, and interest on this Note as
herein provided. If this Note is listed on the London Stock Exchange plc and
such exchange so requires, the Issuer shall maintain a Paying Agent in London.
The Issuer may designate other agencies for the payment of said principal,
premium and interest at such place or places outside the United States (subject
to applicable laws and regulations) as the Issuer may decide. So long as there
shall be such an agency, the Issuer shall keep the Trustee advised of the names
and locations of such agencies, if any are so designated.

     With respect to moneys paid by the Issuer and held by the Trustee or any
Paying Agent for payment of the principal of or interest or premium, if any, on
any Notes that remain unclaimed at the end of two years after such principal,
interest or premium shall have become due and payable (whether at maturity or
upon call for redemption or otherwise), (i) the Trustee or such Paying Agent
shall notify the holders of such Notes that such moneys shall be repaid to the
Issuer and any person claiming such moneys shall thereafter look only to the
Issuer for payment thereof and (ii) such moneys shall be so repaid to the
Issuer. Upon such repayment all liability of the Trustee or such Paying Agent
with respect to such moneys shall thereupon cease, without, however, limiting
in any way any obligation that the Issuer may have to pay the principal of or
interest or premium, if any, on this Note as the same shall become due.

     No provision of this Note or any coupons appertaining hereto or of the
Senior Indenture shall alter or impair the obligation of the Issuer, which is
absolute and unconditional, to pay the principal of and premium, if any, and
interest on this Note at the time, place and rate, and in the coin or

                                       24
<PAGE>

currency, herein prescribed unless otherwise agreed between the Issuer and the
holder of this Note or any coupons appertaining hereto.

     The Issuer, the Trustee and any agent of the Issuer or the Trustee may
treat the holder of this Note or any coupons appertaining hereto as the
absolute owner thereof for all purposes, whether or not this Note or such
coupon be overdue, and none of the Issuer, the Trustee or any such agent shall
be affected by notice to the contrary.

     No recourse shall be had for the payment of the principal of or premium,
if any, or interest on this Note for any claim based hereon or on any coupon
appertaining hereto, or otherwise in respect hereof, or based on or in respect
of the Senior Indenture or any indenture supplemental thereto, against any
incorporator, shareholder, officer or director, as such, past, present or
future, of the Issuer or of any successor corporation, either directly or
through the Issuer or any successor corporation, whether by virtue of any
constitution, statute or rule of law or by the enforcement of any assessment or
penalty or otherwise, all such liability being, by the acceptance hereof and as
part of the consideration for the issue hereof, expressly waived and released.

     This Note and the coupons appertaining hereto shall for all purposes be
governed by, and construed in accordance with, the laws of the State of New
York.

     As used herein:

          (a) the term "Business Day" means any day, other than a Saturday or
     Sunday, (i) that is neither a legal holiday nor a day on which banking
     institutions are authorized or required by law or regulation to close (x)
     in The City of New York or in London or (y) if this Note is denominated in
     a Specified Currency other than U.S. dollars, euro or Australian dollars,
     in the principal financial center of the country of the Specified
     Currency, or (z) if this Note is denominated in Australian dollars, in
     Sydney, and (ii) if this Note is denominated in euro, that is also a day
     on which the Trans-European Automated Real-time Gross Settlement Express
     Transfer System ("TARGET") is operating (a "TARGET Settlement Day");

          (b) the term "Market Exchange Rate" means the noon U.S. dollar buying
     rate in The City of New York for cable transfers of the Specified Currency
     indicated on the face hereof published by the Federal Reserve Bank of New
     York;

          (c) the term "Notices" refers to notices to the holders of the Notes
     and any coupons appertaining thereto to be given by publication in an
     authorized newspaper in the English language and of general circulation in
     the Borough of Manhattan, The City of New York, and London or, if
     publication in London is not practical, in an English language newspaper
     with general circulation in Western Europe. Such Notices will be deemed to
     have been given on the date of such publication or, if published in such
     newspapers on different dates, on the date of the first such publication;

                                       25
<PAGE>

          (d) the term "United States" means the United States of America
     (including the States and the District of Columbia), its territories, its
     possessions and other areas subject to its jurisdiction; and

          (e) the term "United States Alien" means any person who, for United
     States federal income tax purposes, is a foreign corporation, a
     non-resident alien individual, a non-resident alien fiduciary of a foreign
     estate or trust, or a foreign partnership one or more of the members of
     which is a foreign corporation, a non-resident alien individual or a
     non-resident alien fiduciary of a foreign estate or trust.

     All other terms used in this Note or the coupons appertaining hereto which
are defined in the Senior Indenture and not otherwise defined herein shall have
the meanings assigned to them in the Senior Indenture.

                                       26
<PAGE>

                           OPTION TO ELECT REPAYMENT

     The undersigned hereby irrevocably requests and instructs the Issuer to
repay the within Note (or portion thereof specified below) pursuant to its
terms at a price equal to the principal amount thereof, together with interest
to the Optional Repayment Date, to the undersigned at

_______________________________________________________________________________

_______________________________________________________________________________

_______________________________________________________________________________
        (Please print or typewrite name and address of the undersigned)

     If less than the entire principal amount of the within Note is to be
repaid, specify the portion thereof which the holder elects to have
repaid:___________; and specify the denomination or denominations (which shall
not be less than the minimum authorized denomination) of the Notes to be issued
to the holder for the portion of the within Note not being repaid (in the
absence of any such specification, one such Note will be issued for the portion
not being repaid):___________.

Dated:_________________________         _______________________________________

                                       27EXHIBIT 4-s

                           [FORM OF FACE OF SECURITY]

                 TEMPORARY GLOBAL FIXED RATE SENIOR BEARER NOTE

BEARER                                                         BEARER
No. TGFXR

     [A [SHORTER TERM/LONGER TERM] DEBT SECURITY ISSUED IN ACCORDANCE WITH
REGULATIONS MADE UNDER SECTION 4 OF THE UNITED KINGDOM BANKING ACT 1987.]1

     ANY UNITED STATES PERSON WHO HOLDS THIS OBLIGATION WILL BE SUBJECT TO
LIMITATIONS UNDER THE UNITED STATES INCOME TAX LAWS, INCLUDING THE LIMITATIONS
PROVIDED IN SECTIONS 165(j) AND 1287(a) OF THE INTERNAL REVENUE CODE.

     UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR AN INTEREST IN A
PERMANENT GLOBAL BEARER NOTE, THIS GLOBAL NOTE MAY NOT BE TRANSFERRED EXCEPT AS
A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE
DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH
SUCCESSOR DEPOSITARY.

     THIS NOTE HAS NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE SECURITIES
AND EXCHANGE LAW OF JAPAN. THIS NOTE MAY NOT BE OFFERED OR SOLD, DIRECTLY OR
INDIRECTLY, IN JAPAN OR TO, OR FOR THE BENEFIT OF, ANY RESIDENT OF JAPAN (WHICH
TERM AS USED HEREIN MEANS ANY PERSON RESIDENT IN JAPAN INCLUDING ANY
CORPORATION OR OTHER ENTITY ORGANIZED UNDER THE LAWS OF JAPAN) OR TO OTHERS FOR
THE RE-OFFERING OR RE-SALE, DIRECTLY OR INDIRECTLY, IN JAPAN OR TO A RESIDENT
OF JAPAN EXCEPT PURSUANT TO AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF,
AND OTHERWISE IN

--------
     1 Applies only if this Note is denominated in pounds sterling and matures
more than one year from and including the Original Issue Date. If this Note is
denominated in pounds sterling and matures less than one year from and
including the Original Issue Date, add the following legend: COMMERCIAL PAPER
ISSUED IN ACCORDANCE WITH REGULATIONS MADE UNDER SECTION 4 OF THE UNITED
KINGDOM BANKING ACT 1987.

<PAGE>

COMPLIANCE WITH, THE SECURITIES AND EXCHANGE LAW OF JAPAN AND OTHER
RELEVANT LAWS AND REGULATIONS OF JAPAN.2

--------
     2 If this Note is offered in Japan or denominated in Japanese Yen,
appropriate legends need to be added.

                                       2
<PAGE>

                        MORGAN STANLEY DEAN WITTER & CO.
                     GLOBAL MEDIUM-TERM NOTE, SERIES [D/E]
                 Temporary Global Fixed Rate Senior Bearer Note

<TABLE>
---------------------------------------------------------------------------------------------------------------------
<S>                           <C>                          <C>                          <C>
ORIGINAL ISSUE DATE:          INITIAL REDEMPTION           INTEREST RATE:               MATURITY DATE:
                                 DATE:
---------------------------------------------------------------------------------------------------------------------
INTEREST ACCRUAL              INITIAL REDEMPTION           INTEREST PAYMENT             OPTIONAL REPAY
   DATE:                         PERCENTAGE:                  DATE(S):                     MENT DATE(S):
---------------------------------------------------------------------------------------------------------------------
SPECIFIED CURRENCY:           ANNUAL REDEMPTION            EUROCLEAR NO.:               MINIMUM DENOMINA
                                 PERCENTAGE                                                TIONS:
                                 REDUCTION:
---------------------------------------------------------------------------------------------------------------------
EXCHANGE RATE                 REDEMPTION NOTICE             CLEARSTREAM NO.:            APPLICABILITY OF
   AGENT:                        PERIOD:(3)                                                MODIFIED PAYMENT
                                                                                           UPON
                                                                                           ACCELERATION OR
                                                                                           REDEMPTION:
---------------------------------------------------------------------------------------------------------------------
INITIAL OFFERING              EXCHANGE FOR                 COMMON CODE:                 If yes, state Issue Price:
   DATE:                         REGISTERED NOTES:
                                 [NO](4)
---------------------------------------------------------------------------------------------------------------------
OTHER PROVISIONS:                                          ISIN:                        ORIGINAL YIELD TO
                                                                                           MATURITY:
---------------------------------------------------------------------------------------------------------------------
</TABLE>

     Morgan Stanley Dean Witter & Co., a Delaware corporation (together with
its successors and assigns, the "Issuer"), for value received, hereby promises
to pay to bearer, upon surrender hereof, the principal amount specified in
Schedule A hereto, on the Maturity Date specified above (except to the extent
previously redeemed or repaid) and to pay interest thereon at the Interest Rate
per annum specified above from and including the Interest Accrual Date
specified above until but excluding the date the principal amount is paid or
duly made available for payment (except as provided below), weekly, monthly,
quarterly, semi-annually or annually in arrears on the Interest Payment Dates
specified above in each year commencing on the Interest Payment Date next
succeeding the Interest Accrual Date specified above, and at maturity (or on
any redemption or repayment date); provided, however, that if the Interest
Accrual Date occurs fifteen days or less prior to the first Interest Payment
Date occurring after the Interest Accrual Date, interest payments will commence
on the second Interest Payment Date succeeding the Interest Accrual Date.

     Interest on this Note will accrue from and including the most recent
Interest Payment Date to which interest has been paid or duly provided for, or,
if no interest has been paid or duly provided

--------
     3 Applicable if other than 30-60 days. Consult with Euroclear or
Clearstream if a shorter redemption is requested. A minimum of 10 days may be
possible.

     4 Unless explicitly stated otherwise in term sheet, MSDW practice has been
to exclude this option.

                                       3
<PAGE>

for, from and including the Interest Accrual Date, until but excluding the date
the principal amount hereof has been paid or duly made available for payment.
Upon any payment of interest on this Note, the Principal Paying Agent (as
defined below) shall cause Schedule A of this Note to be endorsed to reflect
such payment. No payment on this Note will be made at any office or agency of
the Issuer in the United States or by check mailed to an address in the United
States (as defined below) or by wire transfer to an account maintained by the
holder of this Note with a bank in the United States except as may be permitted
under United States federal tax laws and regulations then in effect without
adverse tax consequences to the Issuer. Notwithstanding the foregoing, in the
event that payment in U.S. dollars of the full amount payable on this Note at
the offices of all Paying Agents (as defined below) would be illegal or
effectively precluded as a result of exchange controls or similar restrictions,
payment on this Note will be made by a paying agency in the United States, if
such paying agency, under applicable law and regulations, would be able to make
such payment without adverse United States federal tax consequences or other
adverse consequences to the Issuer. Notwithstanding any other provision of this
Note, no payment of principal or interest shall be made on any portion of this
Note unless there shall have been delivered to the Principal Paying Agent a
certificate substantially in the form of Exhibit A hereto with respect to the
portion of this Note with respect to which such principal or interest is to be
paid. Such certificate shall have been delivered to the Principal Paying Agent
by Euroclear Bank, societe anonyme, as operator of the Euroclear System
("Euroclear"), Clearstream Banking, societe anonyme ("Clearstream,
Luxembourg"), and/or any other relevant clearing system (including Societe
Interprofessionelle pour la Compensation des Valeurs Mobilieres and the
Intermediaires financiers habilites authorized to maintain accounts therein
("SICOVAM")) as the case may be, and shall be based on a certificate
substantially in the form of Exhibit B hereto provided to Euroclear,
Clearstream, Luxembourg and/or any other relevant clearing system, as the case
may be, by those of its account holders who are to receive such payment of
principal or interest.

     This Note is issued in temporary global bearer form and represents all or
a portion of a duly authorized issue of Global Medium-Term Notes, Series [D/E]
(the "Notes"), issued under an Amended and Restated Senior Indenture, dated as
of May 1, 1999, between the Issuer and The Chase Manhattan Bank, as Trustee
(the "Trustee," which term includes any successor trustee under the Senior
Indenture) (as may be amended or supplemented from time to time, the "Senior
Indenture"), to which Senior Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights, limitations
of rights, duties and immunities of the Issuer, the Trustee and holders of the
Notes and the terms upon which the Notes are, and are to be, authenticated and
delivered. The Issuer has appointed The Chase Manhattan Bank, London Branch, as
its principal paying agent for the Notes (the "Principal Paying Agent," which
term includes any additional or successor Principal Paying Agent appointed by
the Issuer).

     Except as otherwise provided herein, this Note is governed by the terms
and conditions of the Permanent Global Fixed Rate Senior Bearer Note (the
"Permanent Global Bearer Note") to be issued in exchange for this Note, which
terms and conditions are hereby incorporated by reference herein mutatis
mutandis and shall be binding on the Issuer and the holder hereof as if fully
set forth herein. The form of the Permanent Global Bearer Note is attached
hereto.

                                       4
<PAGE>

     This Note is exchangeable in whole or from time to time in part on or
after the Exchange Date (as defined below) for an interest (equal to the
principal amount of the portion of this Note being exchanged) in a single
Permanent Global Bearer Note upon the request of Euroclear, Clearstream,
Luxembourg and/or any other relevant clearing system, acting on behalf of the
owner of a beneficial interest in this Note, to the Principal Paying Agent upon
delivery to the Principal Paying Agent of a certificate substantially in the
form of Exhibit A hereto with respect to the portion of this Note to be
exchanged. Such certificate shall have been delivered to the Principal Paying
Agent by Euroclear, Clearstream, Luxembourg and/or any other relevant clearing
system, as the case may be, and shall be based on a certificate substantially
in the form of Exhibit B hereto provided to Euroclear, Clearstream, Luxembourg
and/or any other relevant clearing system, as the case may be, by those of its
account holders having an interest in the portion hereof to be exchanged.
Notwithstanding the foregoing, if this Note is subject to a tax redemption as
described on the reverse of the Permanent Global Bearer Note attached hereto,
interests in this Note may be exchanged for interests in a Permanent Global
Bearer Note on and after such redemption date as if such redemption date had
been the Exchange Date, subject to receipt of the certificates described in the
preceding sentence. Upon exchange of any portion of this Note for an interest
in a Permanent Global Bearer Note, the Principal Paying Agent shall cause
Schedule A of this Note to be endorsed to reflect the reduction of its
principal amount by an amount equal to the aggregate principal amount being so
exchanged. Except as otherwise provided herein, until exchanged for a Permanent
Global Bearer Note, this Note shall in all respects be entitled to the same
benefits under the Senior Indenture as a duly authenticated and delivered
Permanent Global Bearer Note.

     As used herein:

          (a) the term "Exchange Date" means the date that is 40 days after the
     date on which the Issuer receives the proceeds of the sale of this Note
     (the "Closing Date"), provided that if an interest represented by this
     Note is held by Morgan Stanley & Co. International Limited, or any other
     manager participating in the distribution of the tranche of Notes of which
     this Note forms a part, as part of an unsold allotment or subscription
     more than 40 days after the Closing Date for this Note, the Exchange Date
     with respect to such interest shall be the day after the date such
     interest is sold by Morgan Stanley & Co. International Limited or such
     other manager, all as determined and notified to the Trustee by Morgan
     Stanley & Co. International Limited or if Morgan Stanley & Co.
     International Limited did not participate in the distribution of such
     tranche, by the Issuer.

          (b) the term "United States" means the United States of America
     (including the States and the District of Columbia); and its "possessions"
     include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake
     Island and the Northern Mariana Islands.

     All other terms used in this Note which are defined in the Senior
Indenture and not otherwise defined herein shall have the meanings assigned to
them in the Senior Indenture.

                                       5
<PAGE>

     Unless the certificate of authentication hereon has been executed by the
Trustee by manual signature, this Note shall not be entitled to any benefit
under the Senior Indenture, as defined on the reverse hereof, or be valid or
obligatory for any purpose.

                                       6
<PAGE>

     IN WITNESS WHEREOF, the Issuer has caused this Note to be duly executed.

DATED:                                       MORGAN STANLEY DEAN WITTER & CO.

                                             By:
                                                --------------------------------
                                                Name:
                                                Title:

TRUSTEE'S CERTIFICATE
  OF AUTHENTICATION

This is one of the Notes referred to
  in the within-mentioned Senior
  Indenture.

THE CHASE MANHATTAN BANK,
  as Trustee

By:
   -------------------------------------------
   Authorized Officer

                                       7
<PAGE>

                                                                     SCHEDULE A

                             SCHEDULE OF EXCHANGES

     The Initial Principal Amount of this Note is ______________. The following
payments of interest and exchanges of a part of this Note for an interest in a
single Permanent Global Bearer Note have been made:

<TABLE>
                                                   Principal Amount      Remaining Principal
                                                    Exchanged for         Amount Outstanding       Notation Made
   Date of Exchange                                   Permanent               Following          by or on Behalf of
  or Interest Payment     Payment of Interest     Global Bearer Note        Such Exchange      Principal Paying Agent
-----------------------------------------------------------------------------------------------------------------------
<S>                       <C>                     <C>                    <C>                   <C>
-----------------------------------------------------------------------------------------------------------------------

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

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

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

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

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

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

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

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

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

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

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

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

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

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

-----------------------------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>

                                                                      EXHIBIT A

                      [FORM OF CERTIFICATE TO BE GIVEN BY
                       EUROCLEAR, CLEARSTREAM, LUXEMBOURG
                   AND/OR ANY OTHER RELEVANT CLEARING SYSTEM]

                                  CERTIFICATE

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

                        Morgan Stanley Dean Witter & Co.
                     Global Medium-Term Notes, Series [D/E]

      Represented by Temporary Global Fixed Rate Senior Bearer Note No __.

     This is to certify that, based solely on certifications we have received
in writing, by tested telex or by electronic transmission from member
organizations appearing in our records as persons being entitled to a portion
of the principal amount set forth below (our "Member Organizations")
substantially to the effect set forth in Appendix 2 to Exhibit B to the Euro
Distribution Agreement relating to such Notes, as of the date hereof,
__________ principal amount of the above-captioned Securities (i) is owned by
persons that are not citizens or residents of the United States, domestic
partnerships, domestic corporations, an estate the income of which is subject
to United States Federal income taxation regardless of its source or a trust if
both (a) a court within the United States is able to exercise primary
supervision over the administration of the trust and (b) one or more United
States persons have the authority to control all substantial decisions of the
trust ("United States persons"), (ii) is owned by United States persons that
are (a) foreign branches of United States financial institutions (as defined in
the applicable U.S. Treasury Regulations) ("financial institutions") purchasing
for their own account or for resale, or (b) United States persons who acquired
the Securities through foreign branches of United States financial institutions
and who hold the Securities through such United States financial institutions
on the date hereof (and in either case (a) or (b), each such United States
financial institution has agreed, on its own behalf or through its agent, that
we may advise the Issuer or the Issuer's agent that it will comply with the
requirements of Section 165(j)(3)(A), (B) or (C) of the U.S. Internal Revenue
Code of 1986, as amended, and the regulations thereunder), or (iii) is owned by
United States or foreign financial institutions for purposes of resale during
the restricted period (as defined in the applicable U.S. Treasury Regulations),
and such United States or foreign financial institutions described in clause
(iii) above (whether or not also described in clause (i) or (ii)) have
certified that they have not acquired the Securities for purposes of resale
directly or indirectly to a United States person or to a person within the
United States or its possessions. Any such certification by electronic
transmission satisfies the requirements set forth in United States Treasury
Regulations Section 1.163-5(c)(2)(i)(D)(3)(ii). We will retain all
certifications from our Member Organizations for the period specified in United
States Treasury Regulations Section 1.163-5(c)(2)(i)(D)(3)(i)(C).

<PAGE>

     As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

     We further certify (i) that we are not making available herewith for
exchange (or, if relevant, seeking to collect principal or interest with
respect to) any portion of the temporary global Security representing the
above-captioned Securities excepted in the above-referenced certificates of
Member Organizations and (ii) that as of the date hereof we have not received
any notification from any of our Member Organizations to the effect that the
statements made by such Member Organizations with respect to any portion of the
part submitted herewith (or, if relevant, with respect to which principal or
interest is being requested) are no longer true and cannot be relied upon as of
the date hereof.

     We understand that this certification is required in connection with
certain tax laws and, if applicable, certain securities laws of the United
States. In connection therewith, if administrative or legal proceedings are
commenced or threatened in connection with which this certification is or would
be relevant, we irrevocably authorize you to produce this certification to any
interested party in such proceedings.

                                       2
<PAGE>

Dated:  _______________, 20__
[To be dated no earlier than
[insert date of Interest Payment Date prior to Exchange Date]
[insert date of Redemption Date prior to Exchange Date]
[insert Exchange Date]]

                                       [EUROCLEAR BANK, SOCETE ANONYME,
                                       as Operator of the Euroclear System]

                                       [CLEARSTREAM BANKING, SOCIETE ANONYME]

                                       [OTHER]

                                       By:
                                          --------------------------------------
                                          Name:
                                          Title:

                                       3
<PAGE>

                                                                      EXHIBIT B

                 [FORM OF CERTIFICATE TO BE GIVEN BY AN ACCOUNT
                  HOLDER OF EUROCLEAR, CLEARSTREAM, LUXEMBOURG
                   AND/OR ANY OTHER RELEVANT CLEARING SYSTEM]

                                  CERTIFICATE

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

                        Morgan Stanley Dean Witter & Co.
                     Global Medium-Term Notes, Series [D/E]

      Represented by Temporary Global Fixed Rate Senior Bearer Note No __.

     This is to certify that as of the date hereof, and except as set forth
below, the above-captioned Securities held by you for our account (i) are owned
by person(s) that are not citizens or residents of the United States, domestic
partnerships, domestic corporations, an estate the income of which is subject
to United States Federal income taxation regardless of its source, or a trust
if both (a) a court within the United States is able to exercise primary
supervision over the administration of the trust and (b) one or more United
States persons have the authority to control all substantial decisions of the
trust ("United States person(s)"), (ii) are owned by United States person(s)
that are (a) foreign branches of United States financial institutions (as
defined in the applicable U.S. Treasury Regulations) ("financial institutions")
purchasing for their own account or for resale, or (b) United States person(s)
who acquired the Securities through foreign branches of United States financial
institutions and who hold the Securities through such United States financial
institutions on the date hereof (and in either case (a) or (b), each such
United States financial institution hereby agrees, on its own behalf or through
its agent, that you may advise the Issuer or the Issuer's agent that it will
comply with the requirements of Section 165(j)(3)(A), (B) or (C) of the U.S.
Internal Revenue Code of 1986, as amended, and the regulations thereunder), or
(iii) are owned by United States or foreign financial institution(s) for
purposes of resale during the restricted period (as defined in the applicable
U.S. Treasury Regulations), and in addition if the owner of the Securities is a
United States or foreign financial institution described in clause (iii) above
(whether or not also described in clause (i) or (ii)) such financial
institution has not acquired the Securities for purposes of resale directly or
indirectly to a United States person or to a person within the United States or
its possessions.

     As used herein, "United States" means the United States of America
(including the States and the District of Columbia); and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

     We undertake to advise you promptly by tested telex on or prior to the
date on which you intend to submit your certification relating to the
Securities held by you for our account in accordance with your

<PAGE>

Operating Procedures if any applicable statement herein is not correct on such
date, and in the absence of any such notification it may be assumed that this
certification applies as of such date.

     This certification excepts and does not relate to [U.S. $]___________ of
such interest in the above-captioned Securities in respect of which we are not
able to certify and as to which we understand exchange for and delivery of
definitive Securities (or, if relevant, exercise of any rights or collection of
any principal or interest) cannot be made until we do so certify.

     We understand that this certification is required in connection with
certain tax laws and, if applicable, certain securities laws of the United
States. In connection therewith, if administrative or legal proceedings are
commenced or threatened in connection with which this certification is or would
be relevant, we irrevocably authorize you to produce this certification to any
interested party in such proceedings.

                                       2
<PAGE>

Dated:  _______________, 20__
[To be dated no earlier than the 10th day before
[insert date of Interest Payment Date prior to Exchange Date]
[insert date of Redemption Date prior to Exchange Date]
[insert Exchange Date]]

                                                [NAME OF ACCOUNT HOLDER]

                                                By:
                                                   ----------------------------
                                                   (Authorized Signatory)
                                                   Name:
                                                   Title:

                                       3

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