m. Aptimus has offices in San Francisco and
Seattle, and is publicly traded on the NASDAQ NM under the symbol APTM. Its mission is to advance
user-driven, cross-industry solutions for all publishing and
content-related processes by developing standards, fostering business
alliances , and identifying best practices.

languages data

A replay of the Aptimus presentation will be available by webcast after May
24, 2005, by logging into www.

Aptimus Inc. Aptimus offers a performance-based advertising network
that generates new revenues for Web site publishers while generating sales
leads for advertiser clients. At the core of the
Aptimus Network platform is the company's proprietary technology, Dynamic
Revenue Optimization, which automatically determines on a real-time
basis specific advertiser offers for promotion on each publisher's Web site
and in each email sent.
"This year's late-breaking news presentations will provide
up-to-the-minute perspective on open data and other trends generating
so much 'buzz' within the industry," says Marion L.org. For more information, visit
http://home .

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Aptimus, Inc.aptimus.com.org

should process

Founded in 1966 as the
Graphic Communications Association , IDEAlliance has been a leader in
information technology - developing Document Markup Metalanguage
(GENCODE), sponsoring the Standard Generalized Markup Language (SGML),
and fostering eXtensible Markup Language (XML).

Business Editors/High-Tech Editors
XTech 2005 Conference

ALEXANDRIA , Va. "The democratization of publishing through the
Web presents tremendous opportunities, which our new 'Open Data' track
will cover in extensive detail.

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About Aptimus, Inc.
For general information and to register to attend, visit
http://www.org

----The
opportunities and challenges of "open data" on the Web will be the
focus of a new educational track at XTech 2005, the premier European
conference for developers and managers working with XML and Web
technologies .asp
XTech 2005 is being held in conjunction with the Gilbane
Conference on Content Management .

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For information on presentations, sponsorships, exhibiting and
other marketing opportunities , visit http://www.

languages html

The views, if any, expressed by the MicroCapital Investor Conference
sponsors at the conference itself, in related marketing materials or on the
MicroCapital Web site are strictly the views of such sponsors.----XTech 2005
(formerly XML Europe), the premier European conference for developers
and managers working with XML and Web technologies, has announced the
"late-breaking news" sessions for this year's conference slated for
24-27 May, 2005, at the Amsterdam RAI Centre , Amsterdam, Netherlands.com/lighthouse/Amsterdam2005/gcsf.

data formats

,
United Kingdom

"WHATWG: Proposing Extensions to HTML4 and the DOM," Ian
Hickson, Standards Development, Opera Software , ASA, Norway

"Xfy Technology: Making the Most of XML in Enterprise Client
Software ," Jeff Bennett, Principal Systems Designer,
Justsystem Corporation, Japan

"Web Services -Based Syndication Protocol for Valued Content,"
Dianne Kennedy, VP Publishing Technologies , IDEAlliance,
United States

"Dynamic Topic Maps Using Web Service Interfaces," Eric
Freese, Consulting Software Engineer, LexisNexis, United
States

For information on presentations, sponsorships, exhibiting and
other marketing opportunities, visit http://www.

use authoritative

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 .

``Late-Breaking News'' Presentations Announced for IDEAlliance XTech 2005; New Session Topics Include Open Data Xfy Topic Maps Web Services and More

using computers

The event is being held at The Ritz Carlton
Hotel located at 600 Stockton Street in San Francisco.com/lighthouse/Amsterdam2005/gcsf.

markup authoritative

org/2005/registration .

Worldwide Debate on Open Data Highlighted at XTech 2005; Presentation Topics Include Web Services RSS FOAF OAI Open Access and More; Special Focus on Open

brief documents

Aptimus
expressly and strictly disclaims any relationship to such sponsors or
endorsement of such views. (www.lighthouseseminars.org/2005 /registration.

computers documents

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.

using overview

Birbeck , CEO and CTO, x-port. In "Open Street Maps and Spatial Data," Jo Walsh,
researcher with the co-author of "Mapping Hacks," will detail a
project to create copyright-free map data for the United Kingdom .

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com and clicking on the 2005
Investor Conference link.com) is a leading provider of performance-based
marketing services.
More information on Aptimus is available at the company's Web site at
http: //www. Elledge, Vice
President, Information Technology Alliances and Conferences,
IDEAlliance.

xtech-conference.idealliance.lighthouseseminars. IDEAlliance builds on
these languages to create specifications that enhance efficiency and
speed information in all aspects of publishing and content-related
processes .

dsssl use

As a result, marketers can
refine their offers and payment models to achieve their objectives. IDEAlliance builds on
these languages to create specifications that enhance efficiency and
speed information in all aspects of publishing and content-related
processes. In "Using W3C XForms in Office Applications ,"
Sun Microsystems (NASDAQ:SUNW) Software Engineer Daniel Vogelheim will
explain how OpenOffice .
For general information and to register to attend, visit
http://www.

w3c languages

microcapital. Its mission is to advance
user-driven, cross-industry solutions for all publishing and
content-related processes by developing standards, fostering business
alliances, and identifying best practices.org.xtech-conference . Learn more about IDEAlliance at www.

languages presentation

For advertisers, the Aptimus Network offers a
platform to present their offers across an audience of Web site and email
distribution channels. Learn more about IDEAlliance at www. Founded in 1966 as the
Graphic Communications Association, IDEAlliance has been a leader in
information technology -- developing Document Markup Metalanguage
(GENCODE), sponsoring the Standard Generalized Markup Language (SGML),
and fostering eXtensible Markup Language (XML).

article css

PRESS RELEASE Aptimus to Present at MicroCapital Investor Conference TODAY May 19 2005

Aptimus Web site publishers include a diverse
cross-section of the Internet.net Ltd. For more information, visit
http: //home. XTech 2005 (formerly XML Europe) is being held 24-27
May, 2005, at the Amsterdam RAI Centre , Amsterdam, Netherlands.html

About IDEAlliance

IDEAlliance (International Digital Enterprise Alliance) is a
not-for-profit membership organization.

xml style

xml data

(PDT) TODAY, May 19, 2005, at the Fourth Annual MicroCapital Investor
Conference in San Francisco. 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.org will receive in-depth coverage in XTech 2005's
"Applications" track.

should overview

Aptimus' current clients include many of the top 500
direct marketers.

xtech-conference.asp
XTech 2005 is being held in conjunction with the Gilbane
Conference on Content Management.xtech-conference.

authoritative xml

aptimus.

Business Editors/High-Tech Editors
XTech 2005 Conference

ALEXANDRIA, Va.html

About IDEAlliance

IDEAlliance (International Digital Enterprise Alliance) is a
not-for-profit membership organization.
"The Web may have first been the battleground for open standards,
but it's now the battleground for open data," says Edd Dumbill, XTech
2005 conference chair."
In the presentation "Towards a Science Commons," the Executive
Director of Science Commons, John Wilbanks, will introduce Creative
Commons ' project for sharing knowledge among scientists, universities,
and industries.

xml authoritative

(NASDAQ: APTM), a leading
provider of performance-based marketing services, today announced that Tim
Choate, President and CEO, will present to the investment community at 3:15
p.

The Aptimus investor presentation will include an overview of the company's
publicly disclosed business strategy and historical financial results.idealliance.

using sgml

Topics and presenters include:

"Open Street Maps and Spatial Data ," Jo Walsh, Co-Author,
"Mapping Hacks," United Kingdom

"BBC News and RSS, Or: How We Learned to Stop Worrying and
Love Open Data Services," Joel Chippindale, Software Engineer
and Kevin Hinde, Head of Technical Development, BBC News
Interactive, United Kingdom

"XHTML2: Accessible, Usable, Device-Independent, and
Semantic," Steven Pemberton, Senior Researcher, W3C/CWI,
Netherlands and Mark R.
OpenOffice.org is introducing new technologies into the
workplace, while Sun Technical Architect Michael Brauer will discuss
the new OASIS OpenDocument format.