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Aptimus CEO Tim Choate and EVP Rob Wrubel to Present at the Merriman & Co Investor Summit 2005 in San Francisco

Aptimus, Inc. (NASDAQ: APTM), the online lead generation network, today announced that company executives are presenting at the Merriman Curhan Ford & Co Second Annual Investor Summit being held September 19 - 21 at the Mark Hopkins Hotel in San Francisco.

The Aptimus investor presentation is scheduled for Monday, September 19, at 1:15 PM PST. Aptimus President and CEO, Tim Choate and EVP, Rob Wrubel, will present a review of the company's business strategy and historical financial results.

A Webcast of the company's presentation will be available on the Aptimus investor relations Web site and at http://www.wsw.com/webcast/mcm2/aptm.ob/

For more information about the conference visit: http://www.mcfco.com/

Aptimus, Inc.

Aptimus Inc. (www.aptimus.com) is the online lead generation network. The Aptimus Network is a performance-based advertising network that generates new revenues for Web site publishers while generating sales leads for advertiser clients. For advertisers, the Aptimus Network offers a platform to present their offers across an audience of Web site and email distribution channels. Marketers pay only for the results they achieve on a cost-per-click, cost-per-lead, cost-per-acquisition, or cost-per-impression basis, as well as combinations of those models. As a result, marketers can refine their offers and payment models to achieve their objectives. For Web site publishers, the Aptimus Network generates new revenues while promoting offers from known brands in graphical formats that complement the publishers' sites and adds value for their customers. At the core of the Aptimus Network platform is the company's proprietary technology, Dynamic Revenue Optimization(TM), which automatically determines on a real-time basis specific advertiser offers for promotion on each publisher's Web site and in each email sent. The company's primary offer presentation formats include cross-marketing promotions at the point of registration or other transactional activity on Web sites, online advertising programs, and email marketing campaigns. Aptimus' current clients include many of the top 500 direct marketers. Aptimus Web site publishers include a diverse cross-section of the Internet. Aptimus has offices in San Francisco and Seattle, and is publicly traded on the NASDAQ NM under the symbol APTM. More information on Aptimus is available at the company's Web site at http://www.aptimus.com.

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