PalmSource Launches Palm Powered Mobile World in China

PalmSource Launches Palm Powered Mobile World in China
- China Unicom NewSpace Joins Program as Charter Mobile Operator Partner



BEIJING, China, May 11  /PRNewswire-FirstCall/ -- PalmSource, Inc.
(NASDAQ:PSRC), provider of Palm OS(R), a leading operating system powering next
generation phones and mobile devices, today launched Palm Powered Mobile
World(TM) (PPMW) in China and welcomed mobile operator China Unicom NewSpace, a
wholly-owned subsidiary of China Unicom Limited ("China Unicom") (NYSE: CHU;
HKSE: 0762) to the program.

PalmSource and China Unicom NewSpace, along with Samsung Electronics, today
also announced that the Samsung SCH-i539 is now available on the CDMA network
in China through China Unicom NewSpace, and is the first Palm Powered
smartphone to be available in mainland China.

With over 112 million wireless subscribers, China Unicom is the world's second
largest CDMA operator, third largest GSM operator, and the provider of paging,
long-distance, broadband data and mobile communications services. China is the
world's largest and one of the fastest growing markets for mobile phones, with
about 330 million mobile phone subscribers and about 240 million handsets
manufactured for domestic use and export in 2004 (source ARC, MII).

China Unicom joins existing PPMW mobile operator partners Orange, Sprint and
Telefonica Moviles Espana, in addition to more than a dozen infrastructure and
middleware partners in the program designed to capitalize on the growing
market.

As a member of the Palm Powered Mobile World Program, China Unicom NewSpace
will work together with PalmSource in a number of areas including:

-- Collaborating to align the Palm OS platform roadmap with the product
requirements of China Unicom NewSpace in order to facilitate the deployment of
next generation Palm Powered smartphones; and

-- Engaging in joint marketing activities to identify and promote key
third-party Palm OS applications and solutions that meet the needs of China
Unicom NewSpace wireless customers.

"We are pleased to join Palm Powered Mobile World and bring our expertise in
wireless voice and next generation data services to Palm Powered(TM) devices,"
said Song XiaoBing, CEO, China Unicom NewSpace. "We look forward to our
continued collaboration with PalmSource in the PPMW program to offer our
customers a wide variety of Palm Powered(TM) devices and solutions that take
advantage of our high-speed data service and also deliver an enhanced user
experience."

"We are committed to providing customers with an industry leading platform that
includes our partnerships with leading mobile operators such as China Unicom
NewSpace," said Dr. David Nagel, PalmSource president and CEO. "As a charter
member of Palm Powered Mobile World China, China Unicom NewSpace is enabling us
to provide a strong foundation for the Palm Powered Economy in China."

About Palm Powered Mobile World

The Palm Powered Mobile World program connects mobile operators, infrastructure
and middleware partners and software developers in a wireless Palm Powered
economy designed to bring Palm OS software applications and solutions to
market, provide increased revenue opportunities for partners and a superior
experience for users of Palm Powered smartphones. More information about the
Palm Powered Mobile World can be found at http://www.palmsource.com/partners.

About PalmSource

PalmSource, Inc., the company behind Palm OS(R), 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(TM) Economy. More information about PalmSource is available at
http://www.palmsource.com/, http://www.palmsource.co.uk/,
http://www.palmsource.fr/, http://www.palmsource.de/,
http://www.palmsource.com/es and http://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 related to the Palm Powered(TM) Mobile World Program
(PPMW), the collaboration between PalmSource and China Unicom NewSpace, the
smart mobile device market, the growth of the Palm Powered Economy and the
features and benefits of Palm OS(R). 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 PPMW and to collaborate on multiple marketing and
product planning activities with members of the program to realize the
anticipated benefits from the PPMW; China Unicom NewSpace and PalmSource's
ability to work with the Palm OS developer community to create Palm OS
applications and solutions optimized for the China Unicom NewSpace Wireless
network; China Unicom NewSpace and PalmSource's ability, if at all, to timely
align the Palm OS platform roadmap with China Unicom NewSpace's device and
network requirements to cause device manufacturers to use the Palm OS platform
to produce Palm Powered products that operate on the China Unicom NewSpace
network and that meet end user demands; the ability of the China Unicom
NewSpace network to deliver the anticipated speed and reach that will stimulate
development of new Palm Powered devices and Palm OS applications and solutions
optimized for China Unicom NewSpace networks; the success of the Samsung
SPH-i539; the ability of the smart mobile device market to grow as we
anticipate and our ability to benefit from any such growth; our ability to
support, maintain and grow our application developer community; our ability to
compete with existing or new competitors, our ability, and that of our
licensees and developers, to timely introduce new products to the market,
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 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.

NOTE:  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. 

DATASOURCE: PalmSource, Inc.



CONTACT:  Maureen O'Connell of PalmSource, Inc., [phone], or

; or Nancy Zhang of Hill & Knowlton,

86.10.6512.8811, ext. 200, or , for PalmSource,

Inc.



Web site:  http://www.palmsource.com/ 

Copyright