3COM SHIPS NEW RELEASE OF CODEWARRIOR(r) FOR PALM COMPUTING(r) PLATFORM

SANTA CLARA, Calif., October 21, 1998 — Palm Computing, Inc., a 3Com
company (Nasdaq: COMS) today announced shipment of CodeWarrior(r) for Palm
Computing(r) Platform Release 5, the premier software development tool for
creating applications that run on all Palm Computing platform devices.
CodeWarrior for Palm Computing Platform is a tightly integrated development
environment that allows programmers to write Palm OS(tm) applications. With
Release 5, they can now take advantage of the enhanced infrared (IrDA)
support in the Palm OS software and the bar code scanner in the Symbol SPT
1500 device to create compelling, portable solutions for corporate or
consumer use.

CodeWarrior for Palm Computing Platform Release 5 is priced at U.S. $369
for an annual subscription, which includes the next upgrade free. The
Conduit Development Kit, a software development kit from 3Com used to write
plug-ins for HotSync(r) technology, is included with product registration.
Developers may renew for an additional year of upgrades for U.S. $269.
Educational and volume discounts are available.

“Over 10,000 developers are now building applications and hardware for the
Palm Computing platform. These solution providers continue to play a key
role in our ongoing leadership in both the consumer and enterprise
markets,” said Daniel Pifko, product manager for Palm Computing. “With this
new version of CodeWarrior for Palm Computing Platform, we can offer our
developers the most up-to-date tools for creating a wide range of solutions
that greatly broaden the functionality of our products and platform.”

CodeWarrior for Palm Computing Platform Release 5 is now available from
Palm Computing at the telephone order desk (800-881-7256 U.S., 800-891-6342
Canada, 801-431-1536 elsewhere) or online at www.palm.com, and through
existing Metrowerks (NASDAQ: MTWKF, TSE/ME:MWK) distribution channels.
Foradditional information, visit ww.palm.com/devzone or www.metrowerks.com.
About the Palm Computing Platform

The Palm Computing platform is the foundation for the market-leading 3Com
Palm III and PalmPilot connected organizers and other handheld computing
products from Palm Computing’s strategic partners, all leaders in their
respective markets. These relationships include IBM, which sells the IBM
WorkPad PC Companion into the enterprise market, Franklin Covey, which
supplies the Franklin Electronic Day Planner for the training and time
management industry, QUALCOMM, which will sell its pdQ CDMA Digital
Smartphone in 1999, and Symbol Technologies, which develops and markets the
SPT 1500 device with bar code scanning capabilities used in retail,
transportation, parcel and postal delivery, manufacturing and health care.

About 3Com
3Com Corporation enables individuals and organizations worldwide to stay
more connected by communicating and sharing information and resources
anytime, anywhere. As one of the world’s preeminent suppliers of data,
voice and video communications technology, 3Com has delivered networking
solutions to nearly 200 million customers worldwide. The company provides
large enterprise, small and medium enterprise, carriers and network service
providers, and consumers comprehensive, innovative information access
products and system solutions for building intelligent, reliable and high
performance local and wide area networks. For further information, visit
3Com’s Web site at www.3Com.com or Palm Computing’s web site at
www.palm.com.