AIM Investments® Announces Management Change on AIM Trimark Endeavor Fund

Business Wire, August 22, 2007

HOUSTON -- AIM Investments announced today that Clayton Zacharias has been named lead portfolio manager of AIM Trimark Endeavor Fund.

Mr. Zacharias replaces Geoff MacDonald, who has announced his intention to leave AIM Trimark Investments, the fund's sub-advisor. AIM Investments and AIM Trimark Investments are part of INVESCO PLC.

Mr. Zacharias joined Mr. MacDonald as a portfolio manager of AIM Trimark Endeavor Fund in February 2007 and has more than 13 years of financial services experience. He has been a member of the management team at AIM Trimark Investments since 2002, working closely with Mr. MacDonald as an analyst and portfolio manager. Mr. Zacharias is a CFA charterholder.

"Clayton is among many great examples of how we've successfully built our investment talent from within the AIM Trimark investment team," said Philip Taylor, senior managing director and head of INVESCO's North American retail business, which includes AIM Investments and AIM Trimark. "We expect a smooth transition for our clients and fund shareholders."

This move will not change the fund's investment objective or strategy.

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 $160 billion in assets under management as of July 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 INVESCO

INVESCO 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, INVESCO 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 $499 billion in assets under management as of July 31, 2007, is listed on the London, New York and Toronto stock exchanges with the symbol "IVZ." Additional information is available at www.invesco.com.

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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.

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