COMMON STOCK

Ticker Symbol: MWD
The common stock of Morgan Stanley Dean Witter & Co. is listed on the New York Stock Exchange and on the Pacific Exchange.

DIVIDENDS

Effective January 2000, Morgan Stanley Dean Witter & Co.'s Board of Directors increased the quarterly cash dividend to $0.20 per share of common stock.

INDEPENDENT AUDITORS

Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281
212-436-2000


SHARE PURCHASE AND DIVIDEND REINVESTMENT PLAN & STOCKHOLDER SERVICES

Morgan Stanley Trust FSB is the Record Keeper for the Share Purchase and Dividend Reinvestment Plan and the Transfer Agent for the Company's common stock. For more information about the plan or assistance with address changes, lost stock certificates and share ownership, contact:

Morgan Stanley Trust FSB
Harborside Financial Center, Plaza Two
Jersey City, NJ 07311-3977
800-622-2393


ANNUAL REPORT ON FORM 10-K AND STOCKHOLDER INQUIRIES

General information about the Company and copies of the Company's Annual Report on Form 10-K filed with the Securities and Exchange Commission can be obtained at:

Online:
HTTP://WWW.morganstanley.com


Stockholder Helpline:
800-733-2307

INVESTOR RELATIONS

Security analysts, portfolio managers and representatives of financial institutions seeking information about the Company are invited to contact:

Investor Relations:
212-762-8131


CUSTOMER SERVICE PHONE NUMBERS

Private Client Group
Branch Office Locator: 1-877-937-Morgan Stanley
Morgan Stanley Online: 1-800-688-6896
AAA Client Services: 1-800-869-DEAN
Morgan Stanley Client Services: 1-888-454-DWOL

Asset Management
Morgan Stanley Family of Funds: 1-800-869-FUND
Morgan Stanley Institutional / MAS Funds: 1-800-548-7786
Morgan Stanley Closed End Funds: 1-800-221-6726
Van Kampen Funds: 1-800-341-2911

Discover Financial Services
Discover Card Services: 1-800-347-2683









©1999 Morgan Stanley Dean Witter & Co.
All Rights Reserved. Additional copyright information also applies.