Press Release

PalmSource Names Industry Veteran Patrick McVeigh Senior Vice President, Worldwide Licensing and Sales

SUNNYVALE, Calif. – February 8, 2005 — PalmSource, Inc. (NASDAQ: PSRC), provider of Palm OS®, a leading operating system powering next generation phones and mobile devices today announced the appointment of Patrick McVeigh as senior vice president, worldwide licensing and sales. McVeigh reports to David Nagel, PalmSource president and CEO.

McVeigh, 52 years old, brings more than 20 years experience in the high technology and consumer electronics industry to PalmSource. He is the former CEO of Aliph Corporation, a developer of next–generation audio and speech technologies for mobile communications devices. At Aliph, McVeigh prepared the company for the commercial launch of their technology to the consumer electronics and cellular after–markets. Prior to Aliph, he was chairman and CEO of Omnisky Corporation until selling the business to Earthlink. While with Omnisky, McVeigh developed and executed the launch of service within one year of founding the business. He grew revenues from $0 to $43 million on a run rate basis. In addition to his strategic and operational responsibilities with Omnisky, McVeigh developed strategic carrier relationships and launched data rich services on a number of networks including AT&T, Verizon, BT Cellnet and Viag. McVeigh was also with the former Palm, Inc. where he was responsible for worldwide sales of all Palm products as well as international marketing and operations. While with Palm, he drove sales from $0 to $800 million run rate in three years. Before joining Palm, McVeigh spent nearly 10 years with Apple Computer in a variety of sales positions.

"Pat's proven record and management skills make him an excellent addition to the PalmSource management team," said David Nagel, PalmSource president and CEO. "I'm confident his depth of experience and knowledge will help PalmSource grow its business while identifying and capitalizing on new sales opportunities in the global phone and mobile device markets."

McVeigh holds a bachelor's degree in psychology from Clark University in Worcester, Massachusetts.

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 growth of our business and new sales opportunities in the global phone and mobile device markets. 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 Mr. McVeigh to successfully identify new sales opportunities in the global phone and mobile device markets and to implement a successful sales strategy that enables us to benefit from any newly identified opportunities; realization of the anticipated new sales opportunities and growth in our business; 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 Reports 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, 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.