Pursuant to Rule 424(b)(3)
File No. 333-90487
MORGAN STANLEY DEAN WITTER SPECTRUM SERIES
SUPPLEMENT TO PROSPECTUSES DATED MARCH 6, 2000, PROSPECTUS SUPPLEMENTS DATED
JUNE 22, 2000, AND SUBSCRIPTION AND EXCHANGE AGREEMENT AND POWER OF ATTORNEY
FOR DISTRIBUTION SOLELY IN THE STATE OF ALASKA
The special suitability requirements for residents of the state of Alaska
set forth under "State Suitability Requirements" on page B-4 of each Prospectus,
and on page 4 of the form of Subscription and Exchange Agreement and Power of
Attorney, for the Morgan Stanley Dean Witter Spectrum Series, are revised to
read as follows:
ALASKA: Only if you are purchasing (i) Units of Spectrum Technical, Spectrum
Strategic, or Spectrum Global Balanced at a Monthly Closing held on
or after September 30, 2000, (ii) Units of Spectrum Select at a
Monthly Closing held on or after June 30, 2000, or (iii) Units of
Spectrum Currency or Spectrum Commodity, (a) $225,000 NW, or (b)
$60,000 NW and $60,000 AI.
Alaska residents subscribing for Units at and after the June 30, 2000
Monthly Closing hereby represent and warrant that they meet the applicable
revised suitability standards set forth above, instead of those in the
Prospectuses and the Subscription and Exchange Agreement and Power of Attorney.
Date: September 15, 2000
