CHICAGO, IL -- (MARKET WIRE) -- 10/18/06 -- PowerShares Capital Management LLC continues to "Lead the Intelligent ETF Revolution," announcing today the expected launch of three new exchange-traded funds (ETFs) on the American Stock Exchange (Amex) Tuesday, October 24, 2006. The ETF names and anticipated ticker symbols are listed below:

PSP -- PowerShares Listed Private Equity Portfolio
PUW -- PowerShares WilderHill Progressive Energy Portfolio
PZD -- PowerShares Cleantech(TM) Portfolio

"The Listed Private Equity Portfolio represents the first time individual investors, as well as institutions, will have access to private equity investing utilizing the efficient ETF structure," said Bruce Bond, President of PowerShares Capital Management. "Along with the socially responsible WilderHill Progressive Energy and Cleantech(TM) Portfolios, I believe PowerShares has created three compelling ETFs for investors who seek intelligent targeted exposure to unique market segments."

PowerShares Capital Management LLC is passionate about its goal of efficiently delivering the highest quality institutional investment management services available. PowerShares is "Leading the Intelligent ETF Revolution," providing investment advisors with institutional caliber asset management that seeks to replicate enhanced indexes in one of the more benefit rich investment vehicles available in the marketplace today, the exchange-traded fund. The firm is committed to theoretically sound portfolio construction and empirically verifiable investment management approaches. PowerShares' asset management philosophy and investment discipline are deeply rooted in the application of intuitive factor analysis and model implementation to enhance investment decisions.

Risks of Owning PowerShares

PowerShares Funds are made up of publicly traded securities that can and will move higher and lower with market movements. You should anticipate that the value of the shares of each fund will advance or decline more or less in correlation with the advance or decline in value of the applicable index. The Funds are not actively managed, and shares of the Funds may trade at or below the Funds' NAV. Exchange-traded funds are subject to risks similar to those of stocks, including risks associated with short-selling and margin account maintenance.

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

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

The information in this 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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