DBB Invesco DB Base Metals Fund

Invesco PowerShares Capital Management LLC, a leading provider of exchange-traded funds (ETFs), announced today plans to expand its family of actively managed ETFs with the anticipated listing of a U.S. Real Estate Fund on the NYSE Arca in November.

The anticipated ticker symbol and fund name follows:

--  PSR - PowerShares Active U.S. Real Estate Fund
    

"We believe combining well established active managers with the benefits of the ETF structure creates a compelling new investment vehicle," said Bruce Bond, President and CEO of Invesco PowerShares. "Invesco PowerShares is committed to delivering value and market-leading ideas to investors as we expand our ETF family with the anticipated listing of an actively managed U.S. real estate fund."

The PowerShares Active U.S. Real Estate Fund (PSR) seeks to provide high total return by investing in publicly traded U.S. real estate companies selected using a proprietary stock selection model developed by Invesco Institutional (N.A.), Inc (Invesco Institutional). The selection methodology seeks to outperform its benchmark, the FTSE NAREIT Equity REITs Index, using quantitative and statistical metrics to identify attractively priced securities and manage risk. The fund will invest primarily in equity real estate investment trusts (REITs). The Fund's portfolio holdings will be disclosed daily on the Fund's website.

Joe V. Rodriguez, Jr., the lead manager overseeing the Fund's investment management team at Invesco Institutional, is the head of real estate securities for Invesco Real Estate, and has 25 years of industry experience. The Fund's expense ratio is anticipated to be 0.80%.*

*The expense ratio is expressed as unitary fees to cover expenses incurred in connection with managing the portfolio.

Invesco PowerShares is leading the intelligent ETF revolution through its family of more than 100 domestic and international index-based and actively managed exchange-traded funds. With assets under management as of June 30, 2008, of approximately $13.95 billion, PowerShares ETFs trade on all of the major U.S. stock exchanges that trade ETFs. For more information, please visit us at www.invescopowershares.com.

Invesco PowerShares is a part of Invesco Ltd., a leading independent global investment management company dedicated to helping people worldwide build their financial security. By delivering the combined power of its distinctive worldwide investment management capabilities, including AIM, Atlantic Trust, Invesco, Perpetual, PowerShares, Trimark, and WL Ross, Invesco provides a comprehensive array of enduring investment solutions for retail, institutional and high-net-worth clients around the world. Operating in 20 countries, the company is currently listed on the New York Stock Exchange under the symbol "IVZ." Additional information is available at www.invesco.com.

There are risks involved with investing in ETFs, including possible loss of money. Unlike conventional ETFs, the Fund is not an index fund. Therefore, the Fund does not necessarily seek to replicate the performance of a specified index. The Fund is subject to risk similar to stocks, including those related to short selling and margin maintenance. Ordinary brokerage commissions apply.

Shares are not FDIC insured, may lose value and have no bank guarantee.

The Fund is subject to management risk because it is an actively managed portfolio. There can be no guarantee that the investment techniques and risk analyses used by the Sub- Adviser or portfolio managers will produce the desired results.

Actively managed ETFs have a limited trading history and, therefore, there can be no assurance as to whether and/or the extent to which the shares will trade at premiums or discounts to NAV, which is the market value of a fund share.

Non-Diversified Fund Risk

The Fund is non-diversified, which increases the risk that the value of the fund's shares may vary more widely, and the fund may be subject to greater investment and credit risk than if it invested more broadly.

Market Risk

The prices of and income generated by securities held by the Fund may decline in response to certain events, including those directly involving the companies whose securities are owned by the Fund, general economic and market conditions, and currency and interest rate fluctuations.

Management Risk

The Fund is subject to management risk because it is an actively managed portfolio. In managing the Fund's portfolio securities, the Sub-Advisers will apply investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these will produce the desired results.

Risks of Investing In Real Estate

The risks associated with the real estate industry in general include fluctuations in the value of underlying properties; defaults by borrowers or tenants; market saturation; changes in general and local economic conditions; decreases in market rates for rents; increases in competition, property taxes, capital expenditures, or operating expenses; and other economic, political or regulatory occurrences affecting the real estate industry. The REITs are subject to risks inherent in the direct ownership of real estate. These risks include, but are not limited to, the risk of a possible lack of mortgage funds and associated interest rate risks, overbuilding, property vacancies, increases in property taxes and operating expenses, changes in zoning laws, losses due to environmental damages and changes in neighborhood values and appeal to purchases. REITs are also subject to the risk that the real estate market may experience an economic downturn generally, which may have a material effect on the real estate in which the REITs invest and their underlying portfolio securities.

Equity Risk

The Fund is subject to equity risk, which is the risk that the value of the securities held by the Fund will fall due to general market and economic conditions, perceptions regarding the industries in which the issuers of securities held by the Fund participate or factors relating to specific companies in which the Fund invests.

Small and Medium-Capitalization Risk

Investing in securities of small and medium-capitalization companies involves greater risk than is customarily associated with investing in larger, more established companies.

Concentration Risk

Because the Fund concentrates its investments companies that are principally engaged in the real estate industry, the value of the Fund's shares may rise and fall more than the value of shares of a fund that invests in a broader range of companies.

PowerShares� is a registered trademark of Invesco PowerShares Capital Management LLC. Invesco PowerShares Capital Management LLC, Invesco Aim Distributors, Inc. and Invesco Institutional (N.A.), Inc. are indirect, wholly owned subsidiaries of Invesco Ltd.

The FTSE NAREIT Equity REITs Index is an unmanaged index considered representative of U.S. REITs.

Invesco Aim Distributors, Inc. is the distributor of the PowerShares Actively Managed Exchange-Traded Fund Trust.

Shares are not individually redeemable and owners of the shares may acquire those shares from the Fund and tender those shares for redemption to the Fund in Creation Unit aggregations only, typically consisting of 50,000 shares.

An investor should consider the Fund's investment objective, risks, charges and expenses carefully before investing. For a copy of the prospectus which contains this and other information about the Fund, call 800.983.0903. Please read the prospectus carefully before investing.

The information in the prospectus is not complete and may be changed. The Funds may not sell their Shares until the registration statement filed with the Securities and Exchange Commission is effective. The prospectus is not an offer to sell the portfolios' Shares, nor are the portfolios soliciting an offer to buy their Shares in any jurisdiction where the offer or sale is not permitted.

Media Contacts: Kristin Sadlon Porter Novelli 212-601-8192 Email Contact Bill Conboy BC Capital Partners 303-415-2290 Email Contact