AVZ Amvescap

AIM Investments has announced that the management team of AIM High Income Municipal Fund has approved reopening the fund to new investors for a limited time as a result of new investment opportunities. The fund will reopen to all investors commencing with the start of business on May 1, 2007, through the close of business on or about May 31, 2007. The fund has been engaged in a limited offering of its shares since April 21, 2006. Also, effective April 1, 2007, Gerard M. Pollard was added as portfolio manager to AIM High Income Municipal Fund, joining senior portfolio manager Franklin Ruben. Mr. Pollard has worked with AIM�s Municipal Bond Team since 1999 as a senior fixed-income analyst. About AIM Investments AIM Investments is dedicated to building solutions for its clients with exceptional products and services through multiple investment management styles and a broad range of investment portfolios � mutual funds, exchange-traded funds, retirement products, separately managed accounts for high-net-worth and institutional investors, annuities, cash management, college savings plans and offshore products. For more information, visit www.aiminvestments.com. AIM Investments had approximately $149 billion in assets under management as of Mar. 31, 2007. AIM Investments is a service mark of A I M Management Group Inc. A I M Advisors, Inc., A I M Capital Management, Inc., and AIM Private Asset Management, Inc. are the investment advisors for the products and services represented by AIM Investments. A I M Distributors, Inc. is the distributor for the retail mutual funds and Fund Management Company is the distributor for the institutional money market funds represented by AIM Investments. About AMVESCAP AMVESCAP is a leading independent global investment manager, dedicated to helping people worldwide build their financial security. Operating under the AIM, AIM Trimark, Atlantic Trust, INVESCO, Invesco Perpetual, PowerShares and WL Ross & Co. brands, AMVESCAP strives to deliver outstanding products and services through a comprehensive array of enduring investment solutions for our retail, institutional and private wealth management clients around the world. The company, which had approximately $471 billion in assets under management as of Mar. 31, 2007, is listed on the London, New York and Toronto stock exchanges with the symbol �AVZ.� Additional information is available at www.amvescap.com. Note to editors -- We are required to include the following information with our news release: Consider the investment objectives, risks, and charges and expenses carefully before investing. For this and other important information about any AIM fund, please obtain a prospectus from your financial advisor and read it carefully before investing. A I M Distributors, Inc.