Press Release

PalmSource Showcases Leading Wireless Palm OS Applications

Eight Developers to demonstrate applications at PalmSource 3GSM World Congress booth

Cannes, France, 3GSM World Congress, February 14, 2005 — PalmSource, Inc., (NASDAQ: PSRC) provider of Palm OS®, a leading operating system powering next generation phones and mobile devices, today announced it will be featuring demonstrations of eight new wireless Palm OS applications at the PalmSource booth throughout the 3GSM World Congress. The applications being showcased are for the enterprise and consumer markets.

"These companies are creating extraordinary applications that continue adding value to the Palm OS user experience," said Larry Berkin, PalmSource director of worldwide developer marketing. "We are excited that so many application developers have embraced the Palm OS platform to create unique enterprise and consumer solutions for a variety of diverse wireless devices."

The applications will be showcased and deployed on a number of Palm PoweredÔ devices. Enterprise and consumer applications continue to gain momentum while contributing to a robust wireless infrastructure for the users of Palm Powered devices.

The following applications will be demonstrated at the PalmSource booth, K5 in Hall 4:

Palm Powered™ enterprise solutions:

• M–Penbase, the provider of industry–specific mobile data solutions for handheld devices, will demonstrate its do–it–yourself, on–demand mobile solution service intended to break down the entry barriers to implementing enterprise mobile solutions for even the smallest businesses that are looking to reap the benefits of real–time field data transmission. The online mobile data service is designed to enable even novice users to create, design, develop, download and use applications that exchange data between their mobile device and desktop systems.

• Sonic Mobility will demonstrate SonicAdmin, a comprehensive product for secure wireless systems administration and user support. SonicAdmin enables system administrators to manage, diagnose and repair server and network problems from the palm of their hands, and enables technicians to respond more quickly to server maintenance problems 24 hours a day, 7 days a week. The solution is designed to be secure, saves time and fits any business.

Palm Powered consumer solutions:

• Abidia, a worldwide market leader of online auction tools and service for mobile phones and wireless handheld devices, will announce O–Anywhere version 1.0 d for mobile phones and wireless handhelds. O–Anywhere is an application designed to enable effortless real–time access to a user account and listings from the Overstock.com™ auction™ web site, anywhere, anytime. O–Anywhere for Palm Powered devices with an Internet connection is designed to make a convenient, easy auction experience a reality.

• Handmark, Inc. will introduce an English/Spanish dictionary. This mobile edition of one of the world's most comprehensive bilingual resource includes 300,000 words and phrases in addition to over 500,000 translations. Pronunciation guides make it easy to learn and helps build power and confidence in vocabulary, spelling, grammar and style.

• Kinoma, an award–winning media player company for Palm Powered™ smart phones and mobile devices, will introduce Kinoma Player 3.1 EX. Building on the advances in JPEG support already built in Kinoma Player EX, version 3.1 adds support for QuickTime VR Cubic Panoramas. As with its predecessor, Kinoma Player 3.1 EX offers fast opening, zooming and rotating of all media files. The addition of VR support now enables a user to save their favorite QuickTime VR Cubic Panoramas onto their SD card or Palm Powered device and view them easily with no prior file conversion. While viewing a QuickTime Cubic Panorama within Kinoma Player 3.1, a user can navigate around 360 degrees, zoom in or out and even rotate the view on screen, and with five–way navigation.

• Splashdata will demonstrate Splashblog, an innovation enabling users of Palm Powered™ camera phones to create photo blogs on–the–go. SplashBlog is designed to allow users to publish photos to an online photo album, or a photo blog. SplashBlog includes essentially all that is needed to share photos, including software for Palm Powered smartphones and mobile devices, and a free online photo blog account at splashblog.com.

• Stand–alone will introduce Quicknews™ for Palm Powered devices, a powerful "Really Simple Syndication" (RSS) news client designed to selectively, or automatically, download small news items from many popular websites, such as Yahoo, CNN, CBS, BBC News, MSNBC. Each story is broken out by its headline, making it easy to scan for the highlights. Once the user has narrowed down a story, the full story can be retrieved via a web browser. RSS is already optimized for small screen sizes and allows users to download these news feeds with either the PalmSource™ HotSync™ manager or a direct Internet connection to a Palm Powered™ device.

• Verichat™ is an always–on, unified Instant Messaging (IM) application for Palm OS and is designed to provide wireless access to popular public instant messaging networks such as MSN, Yahoo!, IM, AIM and ICQ, and to corporate IM systems such as LCS, Sametime and Jabber. New features in VeriChat 2.5 include support for IM (ro)bots, integration of IM buddy lists with the Address Book application and support for multiple accounts of the same type.

These software applications will be showcased in the PalmSource booth located in Stand K5 in Hall 4 of the Palais des Festivals. The applications are also available for trial and purchase through the PalmSource software store located online at www.palmsource.com/software and over the–air (OTA) at www.palmsource.com/mobile.

About PalmSource
PalmSource, Inc. is the company behind Palm OS, a leading operating system powering mobile information devices. Approximately 38 million Palm Powered handhelds and smartphones have been sold to date worldwide. Industry leaders Aceeca, AlphaSmart, Fossil, Garmin, GSL, Kyocera, Lenovo, palmOne, QTech, Samsung, Sony, Symbol Technologies and Tapwave license Palm OS to create diverse mobile devices that meet unique customer needs. 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.

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 regarding Enterprise and consumer applications and the features, functions and benefits of applications available for Palm Powered devices. 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, the ability of the applications available or Palm Powered devices to perform as expected, deliver the anticipated benefits and meet end user requirements; realization of the anticipated robust infrastructure for the users of Palm Powered devices; our ability to maintain and grow our developer community; 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 and November 26, 2004. 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, Hotsync 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.

The description of any third party products, features, functions, specifications, and release dates is supplied "AS–IS" AND WITH NO EXPRESS OR IMPLIED WARRANTIES whatsoever, including, but not limited to the accuracy of the information. Product features, functions, specifications, and the development thereof may be modified, deleted or discontinued and any release date may be modified or cancelled, at any time and without prior notice, in the applicable third party's sole discretion. Some third party products may require purchase of additional products or services. (e.g., wireless capability requires additionally subscription services).