PROSPECTUS Dated March 26, 1998 Pricing Supplement No. 16 to
PROSPECTUS SUPPLEMENT Registration Statement No. 333-46935
Dated March 26, 1998 May 12, 1998
Rule 424(b)(3)
Morgan Stanley Dean Witter & Co.
MEDIUM-TERM NOTES, SERIES C
Senior Floating Rate Notes
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The Medium-Term Notes, Series C (Senior Floating Rate Notes)
described in this Pricing Supplement (the "Notes") will mature on the Maturity
Date and will not be redeemable at the option of Morgan Stanley Dean Witter &
Co. prior to the Maturity Date. The Notes are further described under
"Description of Notes--Floating Rate Notes" in the accompanying Prospectus
Supplement, subject to and as modified by the provisions described below.
Principal Amount: $100,000,000
Maturity Date: May 15, 2000; provided that if such day is not a
Business Day, the payment of principal and
interest will be made on the next succeeding
Business Day, and no interest on such payment
shall accrue for the period from and after the
Maturity Date
Interest Accrual Date: May 15, 1998
Interest Payment Dates: Each February 15, May 15, August 15 and November 15,
commencing August 15, 1998
Initial Interest Rate: To be determined on the Business Day immediately
preceding the Original Issue Date
Base Rate: Federal Funds Rate
Index Maturity: 1-Day
CUSIP: 61745EMR9
Spread (Plus or Minus): Plus 0.17% per annum
Minimum Denomination: $1,000
Interest Payment Period: Quarterly
Specified Currency: U.S. Dollars
Issue Price: 100%
Settlement Date
(Original Issue Date): May 15, 1998
Initial Interest Reset
Date: May 16, 1998, or if such day is not a Business Day,
the next succeeding Business Day
Interest Reset Dates: Each Business Day except the Business Day immediately
prior to each Interest Payment Date
Interest Reset Period: Daily
Interest Determination
Dates: The Business Day immediately preceding each
Interest Reset Date
Reporting Service: Telerate (Page 120 under the heading "Federal Funds
Effective Rate")
Book Entry Note or
Certificated Note: Book Entry Note
Senior Note or
Subordinated Note: Senior Note
Agent: Morgan Stanley & Co. Incorporated
Calculation Agent: The Chase Manhattan Bank
Capitalized terms not defined above have the meanings given to such terms in
the accompanying Prospectus Supplement.
MORGAN STANLEY DEAN WITTER
