FOR IMMEDIATE RELEASE

DEVELOPER CENTRAL RETURNS TO WWDC 2000
EXHIBIT SPACE IS PACKED AND SOLD OUT!

WESTLAKE VILLAGE, CA — May 10, 2000 — Xplain Custom Services today
announced that Developer Central, the developer showcase co-sponsored by
Apple Developer Connection and MacTech Magazine, is sold out for Apple’s
Worldwide Developers Conference being held next week.

Developer Central is the de facto presence for developer tools, services
and utilities, is present at shows around the globe. Xplain Custom
Services, which manages Developer Central, has completely sold out it’s
exhibit space for WWDC — Apple’s conference for developers held May 15-19,
2000 at the San Jose Convention Center.

There will be over 65 exhibitor stations with the latest, greatest, hottest
wares from developers who support the Mac development/engineering
community. This makes this showcase the largest Developer Central at any
venue at any show at any point in time. Developer Central has been managed
by Xplain Custom Services since its inception in 1995. For more info, be
sure to visit the Developer Central web site at (http://www.devcentral.com/)

In addition, DevDepot is returning to WWDC this year. The always
popular Depot will be set up to sell a variety of developer tools and
related products during the conference. If you’re in need of a developer
product or want to find out how to get your product to market — Developer
Depot will provide you with an excellent selection, world renowned customer
service, and people who care. For more information on DevDepot visit
the web site at (http://www.devdepot.com/).

“Developer Central is the focal point for seeing the latest wares on the
Mac,” said Neil Ticktin, CEO, Xplain Corporation. “With a mission focused
on serving the developer/technical communities, Developer Central has
vendors of all types and sizes showing off the best the Mac has to offer.
Apple Developer Connection and MacTech Magazine are proud to co-sponsor the
Developer Central showcase. If you’re just beginning as a programmer,
developing web content, managing networks, or have been a part of the
developer community for years, you’ll have the opportunity to meet the
experts face-to-face, explore the cutting edge of technology and will learn
about new products for the Mac worldwide.” Ticktin continues.

For more information on registering for Apple’s Worldwide Developers
Conference, see http://www.apple.com/developer/wwdc2000/ — register today!

About Xplain Corporation

Xplain Corporation has three divisions — publishing, mail order and custom
services. The publishing division includes MacTech(r) Magazine
https://www.mactech.com/, and THINK Reference(tm). The mail order division
operates DevDepot(r) http://www.devdepot.com/, Depot Store(sm), and
the Depot(sm). Custom services provides custom publishing and trade show
services including such projects as Developer Central(r) and fulfillment
services. Founded in 1984, the company has its offices in Westlake Village,
California. See http://www.xplain.com for more information.

Press Contact:
Susan Worley
Xplain Custom Services
shows@xplain.com
805-494-9797 x104

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MacTech and DevDepot are registered trademarks of Xplain
Corporation. Additional company and product names may be trademarks or
registered trademarks of the individual companies and are respectfully
acknowledged. Not responsible for typographical or other errors.