PZT Invesco New York AMTFree Municipal Bond ETF

NEW YORK, Oct. 11 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) today announced that it has launched trading in five new exchange traded funds (ETFs) by PowerShares Capital Management LLC. These new PowerShares ETFs bring the total number of ETF listings on the Amex to 350. "We are pleased to partner once again with PowerShares as they continue to grow their diverse range of ETF offerings for investors," said Scott Ebner, Senior Vice President of the Amex ETF Marketplace. "As the leader in product innovation, the Amex remains committed to bringing high quality and ground breaking investment vehicles to the marketplace." PowerShares Insured National Municipal Bond Portfolio (AMEX:PZA) aims to track the Merrill Lynch Insured National Long-Term Core Municipal Securities Index which is designed to follow the performance of U.S. dollar-denominated investment grade insured tax-exempt debt publicly issued by U.S. States, or their political subdivisions, included in the U.S. domestic market. PowerShares Insured New York Municipal Bond Portfolio (AMEX:PZT) aims to track the Merrill Lynch New York Insured Long-Term Core Municipal Securities Index which is designed to follow the performance of U.S. dollar-denominated investment grade tax-exempt debt publicly issued by New York or Puerto Rico, or their political subdivisions, included in the U.S. domestic market. PowerShares Insured California Municipal Bond Portfolio (AMEX:PWZ) aims to track the Merrill Lynch California Insured Long-Term Core Municipal Securities Index which is designed to follow the performance of U.S. dollar- denominated investment grade tax-exempt debt publicly issued by California or Puerto Rico, or their political subdivisions, in the U.S. domestic market. PowerShares Emerging Markets Sovereign Debt Portfolio (AMEX:PCY) aims to track the DB Emerging Market USD Liquid Balanced Index which is designed to follow the performance of a selected basket of liquid emerging markets U.S. dollar-denominated government bonds. PowerShares 1-30 Laddered Treasury Portfolio (AMEX:PLW) aims to track the Ryan/Mergent 1-30 Year Treasury Laddered Index which is an equally weighted index that follows the performance of a selected basket of U.S. Treasury- auctioned issues with fixed coupon rates which track the performance of the U.S. Treasury yield curve based on 30 distinct annual maturities. "We are pleased to announce the Amex listing of our new portfolios this morning. These five new funds will give investors unique ways to access fixed income securities, along with the benefits inherent to the ETF structure," said Bruce Bond, president and CEO of PowerShares Capital Management. "Fixed income is an area of ongoing attention for PowerShares, and we plan to expand such capabilities throughout Q4 and into 2008." Kellogg Capital Group, LLC is the specialist for PZA, PZT and PWZ. Susquehanna Investment Group is the specialist for PCY and Goldman Sachs Execution & Clearing, LP is the specialist for PLW. About the American Stock Exchange The American Stock Exchange(R) (Amex(R)) offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRS(SM). In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 350 ETFs to date. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks. For more information, please visit http://www.amex.com/. PowerShares Capital Management LLC is leading the intelligent ETF revolution through its family of more than 90 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 nearly $35 billion, PowerShares ETFs trade on all three U.S. stock exchanges and the PowerShares QQQ(TM), which tracks 100 of the NASDAQ's fastest-growing companies, is the most actively traded equity security in the world. For more information, please visit us at http://www.powershares.com/. PowerShares is a part of INVESCO PLC, a leading independent global investment manager dedicated to helping people worldwide build their financial security. Operating under the AIM, AIM Trimark, Atlantic Trust, Invesco Perpetual, PowerShares and WL Ross & Co. brands, INVESCO PLC strives to deliver outstanding products and services through a comprehensive array of enduring investment solutions for its retail, institutional and private wealth management clients around the world. The company, which had approximately $492 billion in assets under management as of Aug. 31, 2007, is listed on the London, New York and Toronto stock exchanges with the symbol "IVZ." Additional information is available at http://www.invesco.com/. DATASOURCE: The American Stock Exchange CONTACT: Bari Trontz of American Stock Exchange, +1-212-306-8964, Web site: http://www.amex.com/ http://www.invesco.com/ http://www.powershares.com/

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