AvantGo Bundled With New Sony CLIE Handheld Device; Sony CLIE Handheld Includes AvantGo Mobile Internet Service for Out-of-the-Box Access to Optimized Content and Applications.

Business Editors/High-Tech Writers

SAN MATEO, Calif.--(BUSINESS WIRE)--Aug. 31, 2000

AvantGo, Inc., a mobile Internet company, today announced its software is bundled with the new Sony Electronics' CLIE Handheld device. AvantGo's software, which extends Web-based content and applications to mobile devices, provides Sony CLIE Handheld users with access to the Web and more than 400 channels of optimized content and applications via the AvantGo mobile Internet service.

The AvantGo mobile Internet service provides free interactive and personalized content and applications to individuals with handheld computers and Internet-enabled phones. Using a wireless, real-time connection or via desktop synchronization, AvantGo users with a new Sony CLIE Handheld can personalize their experience, customizing channels for news and travel information, stock portfolios, movie listings, restaurant reviews, maps and much more from brand-name providers and e-businesses. Sony channels on AvantGo include Sony Music, Sony Online Entertainment and Sony Pictures. The free AvantGo mobile Internet service is available at www.avantgo.com.

"We are delighted to be bundling AvantGo with the first handheld devices from Sony," said Mike Aufricht, general manager of AvantGo Mobile Internet. "As an existing content provider, Sony already delivers entertainment, games and music to mobile users via AvantGo. Today, using a Sony CLIE Handheld and AvantGo, users can get the information they want and need at their fingertips."

About AvantGo, Inc.

AvantGo provides mobile infrastructure software and services that extend the Internet and corporate applications beyond the desktop to handheld devices and Internet-enabled phones. AvantGo's software and services bridge the gap between the Internet, wireless and mobile technologies. AvantGo Enterprise software products enable access to critical information and applications from mobile devices to accelerate information flow between companies and their mobile employees, customers, suppliers and business partners. The AvantGo Mobile Internet service enables content providers and e-businesses to extend their user reach, foster repeat use and increase consumer loyalty. The AMI service provides consumers with interactive and personalized Internet content and Web-based applications on mobile devices from over 400 content sources. For more information, please visit the company's web site at avantgo.com or call 650/638-3399.

Note to Editors: AvantGo, AvantGo Enterprise and the AvantGo logo are registered trademarks of AvantGo, Inc. All other trademarks are the property of their respective owners.