497 1 c89256e497.txt PROSPECTUS SUPPLEMENT VAN KAMPEN EXCHANGE FUND SUPPLEMENT DATED NOVEMBER 1, 2004 TO THE PROSPECTUS DATED APRIL 23, 2004 AND TO THE STATEMENT OF ADDITIONAL INFORMATION DATED APRIL 23, 2004 The Prospectus and Statement of Additional Information are hereby supplemented as follows: The Managing General Partners of the Registrant have approved a reduction of the advisory fee rate of the Registrant. Under the new advisory fee rate, the Registrant pays the Adviser a monthly fee computed based upon an annual rate of 0.30% applied to the average net assets of the Registrant. The new advisory fee rate is effective November 1, 2004. RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE EXCH SPT 11/04