Bruce Bond, Chief Executive Officer of PowerShares Capital Management, rings the opening bell.

Wednesday March 21, 2007
at Nasdaq's MarketSite
in Times Square, New York

PowerShares Capital Management

The Nasdaq Stock Market & PowerShares Capital Management celebrate the transfer of sponsorships for the NASDAQ-100 Index Tracking Stock(r) (Nasdaq:QQQQ), also known as QQQ(r), and the 4 BLDRS Index Funds Trust(sm) (Nasdaq:ADRE) (Nasdaq:ADRD) (Nasdaq:ADRU) (Nasdaq:ADRA) to PowerShares Capital Management, on Wednesday, March 21st. The existing NASDAQ-100 Index Tracking Stock will be renamed the PowerShares QQQ(tm) NASDAQ-100(r) and PowerShares will assume all marketing responsibilities for the funds.

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(r), 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.

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Click for larger pictures of the NASDAQ MarketSite. Additional Photographs for 03/21/2007 Download Hi-Res Quality Photo of this NASDAQ Market Open - Pictured: Bruce Bond, Chief Executive Officer of PowerShares Capital Management, rings the opening bell. These photos are Copyright 2007, The Nasdaq Stock Market Inc. and available for re-publication by the news media only. Any commercial use is strictly prohibited without the prior written consent of The Nasdaq Stock Market Inc. © Copyright 2007, The NASDAQ Stock Market, Inc. Reprinted with the permission of The Nasdaq Stock Market, Inc.