Global Leader in Mobile Communications Selects MontaVista Software For
Embedded Development

Paris and Sunnyvale, Calif., June 19, 2001, -- MontaVista Software Inc., the
company powering the embedded revolution, today announced that Ericsson AS,
the Norwegian affiliate of Ericsson, the global leader in mobile
communications, will be purchasing multiple product subscriptions for
MontaVista¹s Hard Hat� Linux® development platform. Ericsson provides mobile
and broadband Internet solutions in more than 140 countries worldwide.

"Our agreement with Ericsson AS is further proof of the growing acceptance
of Hard Hat Linux for leading-edge embedded applications,² said Jim Ready,
MontaVista CEO and embedded industry pioneer.

"Mobile telecommunications companies and developers of other embedded
computing applications are increasingly looking to Linux as the shortest
path to market," affirmed Sheila Baker, vice president of marketing,
MontaVista Software. ³Ericsson AS¹s choice of Hard Hat Linux and of
MontaVista Software is a validation, both of our vision and of our business
model.²

Hard Hat Linux boasts unrivaled development support for the broadest range
of embedded processor architectures, with more than 480 fully tested and
supported host-target combinations.  The feature-rich product enables a wide
variety of embedded applications, providing a standard platform for designs
in communications infrastructure, networking, consumer electronics,
instrumentation and control.

About MontaVista Software Inc.
MontaVista Software Inc. is a leading provider of open-source systems
software solutions for embedded developers. Founded in 1999 by real-time
operating system pioneer James Ready, MontaVista's principal offerings are
the cross development tools and operating system tailored for embedded
developers. MontaVista products include Hard HatTM Linux®, a Linux-based
embedded source and binary distribution, development platform and tool kits
for x86/IA-32, PowerPC, StrongARM, MIPS, SH, ARM and other microprocessor
architectures. MontaVista offers developers a family of products and
services for embedded design targeted for applications ranging from
communications infrastructure to thin-client and edge applications.
MontaVista Software also makes available valuable technology add-on packages
that address specific customer requirements such as the Java Development
environment, High Availability technology, GUI toolkit and more.

Headquartered in the heart of Silicon Valley in Sunnyvale, Calif.,
MontaVista Software is a privately held company funded by leading investors
such Alloy Ventures, US Venture Partners, RRE Ventures, WR Hambrecht + Co.,
and Intel Capital. For more information about MontaVista, please visit
http://www.mvista.com  or call (408) 328-9200.

Linux is a registered trademark of Linus Torvalds. Hard Hat is a trademark
of MontaVista Software Inc. All other names mentioned are trademarks,
registered trademarks or service marks of their respective companies.

Contacts:

North America:
Joe Samagond
Director of Marketing and Corporate Communications
MontaVista Software Inc.
Phone (408) 328-9234
E-mail: jsamagond@mvista.com

Patricia Colby
PR Strategy and Business Development
Pacifico, Inc. 
Phone (408) 293-8600 ext. 340
E-mail: pcolby@pacifico.com


Europe
Dorine Vidal
Manager, Marketing Communications
MontaVista Software SAS
Phone: +33 (0) 1 30 07 13 98
E-mail: dvidal@mvista.com


Asia-Pacific
Akemi Tsubota
Manager, Marketing Communications
MontaVista Software
Phone: 81-3-5469-8840
E-mail:  akemit@tkk.att.ne.jp