Press Release

PalmSource Launches Inside Track Program for Developers

  • PalmSource Inside Track program designed to accelerate time–to–market of Palm OS applications
  • Special reduced membership pricing available now for limited time

San Jose, California, PalmSource Mobile Summit and Developer Conference, May 24, 2005 — PalmSource, Inc. (NASDAQ: PSRC), provider of Palm OS®, a leading operating system powering next generation phones and mobile devices, today announced PalmSource Inside Track, a subscription–based developer program specifically designed to further enhance and promote the growth of Palm OS applications worldwide. The goal of the PalmSource Inside Track developer program is to help developers accelerate their development cycles and time–to–market for Palm OS applications by providing early and exclusive access to new Palm OS releases, products and tools.

"Professional mobile application developers are serious about gaining a competitive advantage and increasing revenues. We created the Inside Track developer program to provide early access to new Palm OS releases, as well as exclusive access to additional products and tools so that these developers can get a first–mover advantage," said Dino Brusco, vice president of technical services of PalmSource. "The program also includes marketing benefits that can help increase awareness and drive sales for these professional developers."

The PalmSource Inside Track developer program is aimed at companies focused on developing industry–leading mobile applications and services. Members will enjoy a wide range of exclusive services and benefits, including early delivery of tools, documentation and technical information.

Members of the PalmSource Inside Track developer program will receive access to:

  • Technology Previews – Download pre–release Palm OS software and development tools and become eligible for seeding programs; technology previews of new Palm OS features and beta versions of a number of tools including the Palm OS Development Suite
  • Insider Tools – Internal tools used by PalmSource engineers to help develop and test applications
  • Hardware Lab – Priority scheduling for the PalmSource Developer Hardware Lab that includes access to a broad selection of Palm Powered devices, Palm OS® Cobalt reference boards and development tools
  • Developer–to–Developer Board – An opportunity to publicize development tools that can be licensed or shared with other developers. All PalmSource registered developers can read posts to the board; only Inside Track members will be able to post messages
  • Co–Marketing – Preferred consideration for participation at industry events with PalmSource; Demonstration of applications in PalmSource's booth at select tradeshows; PalmSource support for marketing and public relations activities
  • Discounts – Standing discounts for PalmSource developer conferences worldwide
  • Exclusive access to members–only events

Membership Information
The annual membership fee for the PalmSource Inside Track developer program is $149.00. PalmSource is currently offering an introductory membership fee of $99.00 through May 31, 2005. To register for the PalmSource Inside Track developer program, please visit:

www.palmos.com/dev/programs/insidetrack/learn.html

PalmSource Developer Programs
PalmSource offers a full range of programs to address the complete lifecycle of product development–from the early stages of training and development, through testing and certification, to marketing and selling products. For more information about PalmSource Developer Programs please visit:

www.palmsource.com/developers

About PalmSource
PalmSource, Inc., the company behind Palm OS®, a leading operating system powering smart mobile devices, is a leading developer of software for mobile phones and other mobile devices. Its products include a wide range of software for mobile phones at all price points. More than 39 million mobile phones, handhelds, and other mobile devices run PalmSource software. More than 45 companies worldwide have licenses to PalmSource software, including Fossil, Garmin, GSPDA, Kyocera, Lenovo, palmOne, Samsung, Sony, and Symbol Technologies. Palm OS has given rise to a large community of users, enterprises, developers and manufacturers, who together make up the Palm Powered™ Economy. More information about PalmSource is available at www.palmsource.com, www.palmsource.co.uk, www.palmsource.fr, www.palmsource.de, www.palmsource.com/es and www.palmsource.com.cn.

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CAUTIONARY NOTE REGARDING FORWARD–LOOKING STATEMENTS: This press release contains forward–looking statements that involve risks and uncertainties, as well as assumptions that if they never materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward–looking statements. Such forward–looking statements include, without limitation, statements related to the PalmSource Inside Track developer program The risks and uncertainties that could cause our results to differ materially from those expressed or implied by such forward–looking statements include, without limitation, our ability to successfully implement the PalmSource Inside Track developer program and to promote the growth of Palm OS applications worldwide; our ability to support, maintain and grow our application developer community; the ability of our developers to successfully develop Palm OS applications meeting end user demands in a timely manner; our ability to compete with existing or new competitors; general economic conditions in the U.S. and abroad and other risks and uncertainties contained in our public announcements, reports to stockholders and other documents filed with and furnished to the Securities and Exchange Commission, including our Annual Report on Form 10–K for the period ended May 28, 2004 and our Quarterly Report on Form 10–Q for the periods ended August 27, 2004, November 26, 2004 and February 25, 2005. All forward–looking statements in this press release are based on information available to us as of the date hereof, and we assume no obligation to update these forward–looking statements.

Copyright © 2005, PalmSource, Inc. PalmSource, Palm OS, Palm Powered, and certain other trademarks and logos appearing on this press release are trademarks or registered trademarks of PalmSource, Inc. or its affiliate in the United States, France, Germany, Japan, the United Kingdom, and other countries. These marks may not be used in connection with any product or service that does not belong to PalmSource, Inc. (except as expressly permitted by a license with PalmSource, Inc.), in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits PalmSource, Inc., its licensor, its subsidiaries or affiliates. All other brands and trademarks used herein are or may be trademarks of, and are used to identify other products or services of, their respective owners. All rights reserved.