Press Release

PalmSource Appoints Radianz President and CEO P. Howard Edelstein to Board of Directors

SUNNYVALE, Calif., Sept. 19, 2003 - PalmSource, provider of the popular operating system for handheld and smartphones, and Palm OS® subsidiary of Palm, Inc. (Nasdaq: PALM) has announced the appointment of P. Howard Edelstein to its board of directors. Edelstein is president and chief executive officer at Radianz, an independent company with the world's largest Internet Protocol-based network for the global financial services industry. Radianz uses its network to provide IP connectivity and services designed to meet the demands of professionals in the finance community.

Edelstein previously served as an entrepreneur in residence at Warburg Pincus, LLC, a private equity and venture capital firm. Prior to Warburg Pincus, Edelstein served as president and chief executive officer of Thomson Financial Electronics Settlements Group, which he founded and later merged with the Depository Trust and Clearing Corp.'s Tradesuite business to create OMGEO, the industry utility for straight-through processing.

"Howard Edelstein's extensive financial and entrepreneurial experience is vital to PalmSource's expansion strategy into different markets," said David Nagel, president and chief executive officer, PalmSource. "His extensive background in building and sustaining global and integrated communities of electronic trading partners at both Thomson and Radianz will complement the expertise of PalmSource's board of directors."

Edelstein currently serves on the board of directors of Alacra Inc. and Skillsoft Corp.

Edelstein joins PalmSource board members, Chairman Eric Benhamou, John B. Shoven, Satjiv S. Chahil, Robert J. Finocchio, Jr., Jean-Louis Gassﾃｩe and David Nagel.

About PalmSource
PalmSource is the company behind Palm OS, the popular operating system for handhelds and smartphone devices. Licensed by industry leaders including Aceeca, AlphaSmart, Fossil, Garmin, GSL, Handspring, HuneTec, Kyocera, Legend, Palm Solutions Group, Samsung, Sony, Symbol and Tapwave as well as Palm OS Ready Partners including ATI, Intel, MediaQ, Motorola, M-Systems, Samsung, Texas Instruments. Palm OS has been shipped to date on more than 29 million handhelds and smartphones, and given rise to a large community of users, enterprises, developers and manufacturers, who together make up the Palm Economy. PalmSource is a subsidiary of Palm Inc. (Nasdaq: PALM). More information about PalmSource is available at http://www.palmsource.com, http://www.palmsource.co.uk, http://www.palmsource.fr, http://www.palmsource.de and http://www.palmsource.com.cn.