Penson Worldwide, Inc. to Present at Sandler O'Neill's Global Exchange and Electronic Trading...

DALLAS -- Penson Worldwide, Inc. (NASDAQ: PNSN), a leading provider of execution, clearing, settlement, custody and technology products and services to the global financial services industry, today announced that Philip A. Pendergraft, Chief Executive Officer, and Kevin W. McAleer, Senior Vice President

and Chief Financial Officer, will be presenting at Sandler O'Neill's 2008 Global Exchange and Electronic Trading Conference in New York City on Thursday, June 5, 2008 at 4:00 PM ET (3:00 PM CT). A live webcast can be accessed on the Investor Relations section of www.penson.com or at www.thomson-webcast.net/us/dispatching/SOP_20080605. An archived webcast will be available for 60 days after the event, beginning June 6, 2008.

About Penson Worldwide: www.penson.com

The Penson Worldwide group of companies provides execution, clearing, custody, settlement and technology infrastructure products and services to financial services firms and others servicing the global financial services industry. The Penson Worldwide group of companies includes Penson Financial Services, Inc., Penson Financial Services Canada Inc., Penson Financial Services Ltd., Nexa Technologies, Inc., Penson GHCO, First Capitol Group, LLC and Penson Asia Limited, among other companies. Headquartered in Dallas, Texas, Penson has served the clearing needs of the global financial services industry since 1995. Penson is the Flexible Choice in Global Financial Services.

Penson Financial Services, Inc. is a member of the American Stock Exchange, Chicago Stock Exchange, FINRA, 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 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 CNQ Exchange and the TSX Venture Exchange, is regulated by the Investment Dealers Association of Canada, is a member of the CIPF, CDCC and CDS and subscribes to various Canadian ATS's. Penson Financial Services Ltd. is a member of the London Stock Exchange and is authorized and regulated by the Financial Services Authority. Penson GHCO is a registered Futures Commission Merchant and clearing member at the Chicago Mercantile Exchange, Chicago Board of Trade, London International Financial Futures Exchange, and ICE Futures. First Capitol Group, LLC is a registered Futures Commission Merchant and a member of the National Futures Association.

Forward-Looking Statements

The statements in this news release relating to matters that are not current or historical facts are forward-looking statements. Such forward-looking statements are based on current plans, estimates and expectations. Forward-looking statements are based on known and unknown risks, assumptions, uncertainties and other factors. Penson's actual results, performance, or achievements may differ materially from any future results, performance, or achievements expressed or implied by such forward-looking statements. Penson undertakes no obligation to publicly update or revise any forward-looking statement.