PROSPECTUS Dated March 26, 1998 Pricing Supplement No. 10 to
PROSPECTUS SUPPLEMENT Registration Statement No. 333-46935
Dated March 26, 1998 April 21, 1998
Rule 424(b)(3)
Morgan Stanley Dean Witter &Co.
MEDIUM-TERM NOTES, SERIES C
Senior Fixed Rate Notes
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The Fixed Rate Notes, as further described below and in the
Prospectus Supplement under "Description of Notes--Fixed Rate Notes," will bear
interest from the date of issuance until the principal amount thereof is paid or
made available for payment at the rate set forth below.
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.
Principal Amount: $100,000,000
Maturity Date: April 24, 2000
Settlement Date (Original Issue Date): April 24, 1998
Interest Accrual Date: April 24, 1998
Issue Price: 99.818%
Specified Currency: U.S. Dollars
Redemption Percentage: 100%
Redemption Dates: N/A
Annual Redemption Percentage Reduction: N/A
Interest Rate: 5.875% per annum
Interest Payment Dates: Each April 24 and October 24, commencing October 24,
1998
Interest Payment Period: Semi-annually
Total Amount of OID: N/A
Original Yield to Maturity: N/A
Initial Accrual Period OID: N/A
Book Entry Note or Certificated Note: Book Entry Note
Senior Note or Subordinated Note: Senior Note
Agent: Morgan Stanley & Co. Incorporated
Trustee: The Chase Manhattan Bank
Minimum Denomination: $1,000
CUSIP: 61745EMP3
Capitalized terms not defined above have the meanings given to such terms in
the accompanying Prospectus Supplement.
MORGAN STANLEY DEAN WITTER
