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NEWS RELEASE     1 Parkview Plaza o P.O. Box 5555 o Oakbrook Terrace, Illinois
                 60181-5555 o www.vankampen.com
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FOR IMMEDIATE RELEASE

FOR MORE INFORMATION CONTACT:
Chad Peterson
212/762-9612

             VAN KAMPEN INVESTMENT GRADE MUNICIPAL TRUST ANNOUNCES
               ADJOURNMENT OF MEETING FOR PROPOSED REORGANIZATION
                        INTO VAN KAMPEN MUNICIPAL TRUST

         CHICAGO (June 27, 2005) -- The special meeting of shareholders of Van
Kampen Investment Grade Municipal Trust was held on June 22, 2005 and has been
adjourned to July 22, 2005 at 10:30 a.m. to allow additional time to solicit the
additional votes needed to approve the proposal as outlined in the Notice of
Special Meeting previously mailed to shareholders.

         Van Kampen Asset Management is a subsidiary of Van Kampen Investments
Inc. ("Van Kampen"). Van Kampen is one of the nation's largest investment
management companies, with more than $99 billion in assets under management or
supervision, as of May 31, 2005. With roots in money management dating back to
1927, Van Kampen has helped more than four generations of investors work toward
their financial goals. Van Kampen is a wholly owned subsidiary of Morgan Stanley
(NYSE:MWD). For more information, visit Van Kampen's web site at
www.vankampen.com.

         The foregoing does not constitute an offer of any securities for sale.
The proxy statement/prospectus relating to the proposed reorganization contains
important information and shareholders are urged to read it. Free copies of the
proxy statement/prospectus are available by calling Van Kampen's Client
Relations Department at (800) 341-2929 or on the SEC's web site at www.sec.gov.

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Copyright(C)2005 Van Kampen Funds Inc.  All rights reserved.  Member NASD/SIPC.