Aptimus to Present at Adams Harkness' 25th Annual Summer Seminar

(NASDAQ: APTM) Aptimus, the online lead generation network, announced today that it will deliver a presentation at Adams Harkness' 25th Annual Summer Seminar in Boston. Tim Choate, CEO, is scheduled to present to leading institutional investment representatives at 4:00 pm on Tuesday, August 2, 2005, at the Boston Marriott Long Wharf Hotel.

Mr. Choate will join executives from nearly 200 public and private companies for the Summer Seminar, one of the longest-running events focused exclusively on growth companies.

"We look forward to showcasing our company to some of the country's top growth investors at this year's Summer Seminar," said Choate. "This is an ideal venue in which we can provide an important mid-year update of our growth strategy and achievements."

"The Summer Seminar is a unique forum that allows executives to gain increased visibility among the investment community while institutions gain valuable insights and new ideas for their portfolios," said Adams Harkness director of research Eric Prouty. "Over the course of more than two decades, we've established a coveted industry conference that provides value to everyone who attends."

The Adams Harkness Annual Summer Seminar is one of the oldest and largest programs showcasing both publicly traded and privately held growth companies. This year, companies representing such diverse industries as technology, emerging therapeutics, healthy living etc, etc. will make presentations about their businesses and industries to an audience of largely small- and mid-cap investors. Most of the presenting companies are covered by Adams Harkness' team of equity analysts. In addition, the conference will feature companies outside of the Adams Harkness research universe, as well as two additional tracks of early and late stage private companies. To learn more about the Summer Seminar, please contact Nadine Miller at nmiller@adamsharkness.com.

About Aptimus, Inc.

Aptimus Inc. is a performance-based advertising network, generating new revenues for participating Web site publishers while generating new 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 a database configuration and software platform supporting a direct marketing approach called 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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