SOURCE: PowerShares Capital Management

March 25, 2008 12:56 ET

Update: PowerShares to List Global Nuclear Energy Portfolio on April 3, 2008

CHICAGO, IL--(Marketwire - March 25, 2008) - PowerShares Capital Management LLC, a leading provider of exchange-traded funds (ETFs), announced today the anticipated listing of a global nuclear energy portfolio. The ETF is expected to begin trading on April 3, 2008 on the NYSE Arca, Inc. The anticipated ticker symbol and portfolio name is as follows:

-- PKN - PowerShares Global Nuclear Energy Portfolio

"Since 2001, nuclear power plants have achieved lower production costs than coal, natural gas and oil,"(1) said Bruce Bond, president and CEO of PowerShares Capital Management LLC. "We believe higher oil prices, rising standards of living, and demand for cleaner sources of energy are favorable trends powering worldwide growth for the nuclear energy industry. The PowerShares Global Nuclear Energy Portfolio provides investors exposure to the performance of the global nuclear energy industry in the benefit-rich ETF format."

(1)Nuclear Energy Institute, as of 2007

The PowerShares Global Nuclear Energy Portfolio (PKN) is based on the WNA Nuclear Energy Index(SM). The Index is designed to track the overall performance of globally traded companies which are engaged in the nuclear energy industry with representation across reactors, utilities, construction, technology, equipment, service providers and fuels. The rules-based index is rebalanced quarterly from a universe of equity securities traded on recognized stock exchanges in the Americas, Europe, the Middle East, Africa and Asia/Pacific.

PowerShares Capital Management LLC is leading the intelligent ETF revolution through its family of more than 100 domestic and international exchange-traded funds, which seek to outperform traditional benchmark indexes while providing advisors and investors access to an innovative array of focused investment opportunities. With franchise assets of over $35 billion, PowerShares ETFs trade on all three U.S. stock exchanges. For more information, please visit us at www.powershares.com.

PowerShares is a part of Invesco, a leading independent global investment management company, dedicated to helping people worldwide build their financial security. By delivering the combined power of our 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.

Important Risk Information

There are risks involved with investing in ETFs, including possible loss of money. The Fund is not actively managed and is subject to risk similar to stocks. Shares are subject to risks including those associated with investing in small and medium-sized companies, foreign securities and industry-specific risk. Please see the prospectus for more complete information regarding an investment in the Fund. Shares are not FDIC insured, may lose value and have no bank guarantee.

Shares may be sold throughout the day on the NYSE Arca, Inc. through any brokerage account. Shares may only be redeemed directly from the Portfolio by Authorized Participants in large blocks typically consisting of 100,000 Shares.

Investments in the securities of non-U.S. issuers involve risks beyond those associated with investments in U.S. securities. These additional risks include greater market volatility, the availability of less reliable financial information, higher transactional costs, taxation by foreign governments, decreased market liquidity and political instability. There is also additional risk associated with an investment concentrated in the nuclear energy industry. The energy industry can be significantly affected by obsolescence of existing technology, short product cycles, falling prices and profits, competition from new market entrants and general economic conditions.

A I M Distributors, Inc. is the distributor of the PowerShares Exchange-Traded Fund Trust II.

An investor should consider the Fund's investment objective, risks, charges and expenses carefully before investing. The prospectus contains this and other information about the Fund. For this and more complete information about the Fund call 800.983.0903 or visit the website www.powershares.com to obtain a prospectus. Please read the prospectus carefully before investing.

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

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