Daniel P. Son, President of Penson Worldwide, Inc.,
Rings The NASDAQ Stock Market Opening Bell

Tuesday, July 25, 2006
at NASDAQ's MarketSite
in New York City.

Penson Worldwide, Inc.
[PNSN]

Daniel P. Son, President of Penson Worldwide, Inc.(PNSN) presides over the opening bell to celebrate its recent listing on the NASDAQ.

Penson Worldwide, Inc. is the parent company for Penson Financial Services, Inc., Penson Financial Services Canada, Inc., Penson Financial Services, Ltd., Nexa Technologies, Inc. and Penson Financial Futures, Inc., among other companies. The Penson Worldwide group of companies provides execution, clearing, custody, settlement, and technology infrastructure products and services to securities firms and others servicing the securities industry. Penson Financial Services, Inc., headquartered in Dallas, Texas, has served the clearing needs of all types of broker/dealers since 1995. Penson is the flexible choice in global securities services.(tm) Penson Financial Services, Inc. is a member of the Chicago Stock Exchange, the NASD, Inc., the Chicago Board Options Exchange, OneChicago, the International Securities Exchange, the NYSE Arca Exchange, the Options Clearing Corp, the MSRB, NSCC, ICMA, DTC, Euroclear, SIPC, the Pacific Exchange and is a participant of the Boston Options Exchange (BOX). Penson Financial Services Canada, Inc. is a participating organization with the Toronto Stock Exchange, the Montreal Exchange, the TSX Venture Exchange, is regulated by the Investment Dealers Association of Canada, and is a member of the CIPF. Penson Financial Services, Ltd. is a member of the London Stock Exchange and is authorized and regulated by the Financial Services Authority. Penson Financial Futures, Inc. is a Futures Commission Merchant member of the National Futures Association.

Click for larger pictures of the NASDAQ MarketSite. Additional Photographs for 7/25/2006 Download Hi-Res Quality Photo of this NASDAQ Market Open - Pictured: Daniel P. Son, President of Penson Worldwide, Inc., signs in to the market at the beginning of the trading day. These photos are Copyright 2006, 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 2006, The NASDAQ Stock Market, Inc. Reprinted with the permission of The Nasdaq Stock Market, Inc.