PROSPECTUS Dated May 5, 1999 Pricing Supplement No. 57 to
PROSPECTUS SUPPLEMENT Registration Statement No. 333-75289
Dated May 6, 1999 Dated March 28, 2000
Rule 424(b)(3)
Morgan Stanley Dean Witter & Co.
GLOBAL MEDIUM-TERM NOTES, SERIES E
Euro Fixed Rate Senior Bearer Notes Due 2002
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We may not redeem these Global Medium-Term Notes, Series E (Senior Euro
Fixed Rate Notes Due 2002) prior to the maturity date other than under the
circumstances described under "Description of Notes--Tax Redemption" in the
accompanying prospectus supplement.
We will issue the notes only in bearer form, which form is further
described under "Description of Notes--Forms of Notes" in the accompanying
prospectus supplement. You may not exchange notes in bearer form at any time
for notes in registered form.
We describe the basic features of this type of note in the section called
"Description of Notes--Fixed Rate Notes" in the accompanying prospectus
supplement, subject to and as modified by the provisions described below.
Principal Amount: $25,000,000
Maturity Date: April 11, 2002
Settlement Date
(Original Issue Date): April 11, 2000
Interest Accrual Date: April 11, 2000
Issue Price: 100%
Specified Currency: U.S. dollars
Redemption Percentage
at Maturity: 100%
Initial Redemption
Percentage: N/A
Annual Redemption
Percentage Reduction: N/A
Optional Repayment
Date(s): N/A
Interest Rate: 7.50% per year
Maximum Interest Rate: N/A
Minimum Interest Rate: N/A
Interest Payment Dates: Each April 11, commencing
April 11, 2001, provided
that if any such day (except
the maturity date) is not a
business day, that interest
payment date will be the
next succeeding day that is
a business day, unless that
succeeding business day
falls in the next succeeding
calendar month, in which
case such interest payment
date will be the immediately
preceding day that is a
business day.
Interest Payment
Period: Annual
Denominations: $10,000
Business Day: New York and London
Common Code: 010994624
ISIN: XS0109946243
Terms not defined above have the meanings given to such terms in the
accompanying prospectus supplement.
MORGAN STANLEY DEAN WITTER