EXHIBIT (a)(3)(iv)

ANNOUNCING . . .

                      VAN KAMPEN SENIOR FLOATING RATE FUND
                          COMMENCEMENT OF TENDER OFFER

     It is the policy of the Board of Trustees of the Van Kampen Senior Floating
Rate Fund to consider on a quarterly basis whether to make a Tender Offer for
common shares of the Trust. We are pleased to announce that the Board has
authorized the Trust's nineteenth quarterly Tender Offer commencing on October
18, 2002. The purpose of the offer is to attempt to provide liquidity to its
shareholders. The commencement of the Tender Offer is announced in today's Wall
Street Journal. Shareholders of the Trust may elect to have the cash proceeds
from the Tender Offer invested in Class C Shares of eligible open-end investment
companies advised by either Van Kampen Investment Advisory Corp. or Van Kampen
Asset Management Inc. and distributed by Van Kampen Funds Inc., subject to
certain limitations. Please note that the Class C Shares acquired pursuant to
this election are subject to a contingent deferred sales charge schedule equal
to the "Early Withdrawal Charge" schedule of the Trust.

     The Trust is offering to purchase up to 14,544,722 of its common shares at
a price equal to the net asset value per common share of the Trust as of 5:00
P.M., Eastern Time on November 15, 2002, the expiration date of the Tender Offer
(unless extended). The Tender Offer and the withdrawal rights expire at 12:00
Midnight Eastern Time on November 15, 2002, unless the Tender Offer is extended.
An "Early Withdrawal Charge" will be imposed on most common shares accepted for
payment that have been held for less than one year.

     Terms and conditions of the tender offer are contained in the Trust's Offer
to Purchase dated October 18, 2002, and the related Letter of Transmittal.
Copies are available to you upon request by calling Van Kampen's Investor
Services Department at (800) 341-2911.

     Shareholders may tender by completing and returning the Letter of
Transmittal by November 15, 2002. Alternatively, Selling Firms may tender
account positions with a wire order redemption via NSCC Fund/SERV or by calling
Van Kampen's Brokerage Operations Support Services at (800) 421-3863, on
November 15, 2002 (trade date of the Tender Offer).



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                  FUND NAME                  NUMBER    SYMBOL      CUSIP      TENDER START    TENDER END
----------------------------------------------------------------------------------------------------------
                                                                            
    VK Senior Floating Rate Fund              259      VKSFR     920960101      10/18/02       11/15/02
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          PLEASE DIRECT YOUR TENDER QUESTIONS TO THE FOLLOWING AREAS:

 MAIN OFFICE OPERATIONS: BROKERAGE OPERATIONS SUPPORT SERVICES (BOSS) AT (800)
                                   421-3863.

  REGISTERED REPRESENTATIVES: INVESTOR SERVICES DEPARTMENT AT (800) 341-2911.

     This material is prepared for internal or financial professional use only.
It may not be reproduced or shown to members of the public or used in written
form as sales literature. Such use would be in violation of the NASD code of
conduct. This material is subject to change, please consult the prospectus.
3672F02-ANFP-10/02 Member NASD/SIPC