SUNNYVALE, Calif.— June 3, 2004 — PalmSource, Inc. (NASDAQ: PSRC) provider of Palm OS™, a leading operating system powering next generation mobile devices and smartphones, will release results for the fourth quarter and fiscal year end 2004 results on Thursday, June 24th, 2004 after market close. David Nagel, president & chief executive officer and Al Wood, chief financial officer, will discuss fourth quarter and fiscal 2004 year end results and business outlook on a conference call scheduled for 5:00 PM Eastern Standard Time / 2:00 PM Pacific Standard Time that same day.

A live and archived Web cast of this call can be accessed at PalmSource's web site at www.palmsource.com/about/ir.html. The Web cast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors through CCBN's individual investor center at www.companyboardroom.com and by visiting any of the investor sites in CCBN's Individual Investor Network or via CCBN's password-protected event management site, StreetEvents (www.streetevents.com).
SOURCE: PalmSource