Press Contacts:
Cynthia Fray
Media Relations
Metrowerks, Inc.
512.873.4758
cynthia@metrowerks.com

Jim Welch
Chief Financial Officer
Metrowerks Inc.
512.873.4777
welch@metrowerks.com

METROWERKS CODEWARRIOR WINS PRESTIGIOUS BYTE MAGAZINE 1997 EDITORS’ CHOICE
“AWARD OF EXCELLENCE”

SAN FRANCISCO, California, Macworld Expo–January 7, 1997–Metrowerks Inc.
(NASDAQ: MTWKF, TSE/ME:MWK), one of the world’s leading providers of
software development tools, today announced that its flagship product,
CodeWarrior(R) Gold 10, has been awarded the Byte Magazine 1997 Editors’
Choice “Award of Excellence”. This is the second time in four years that
Metrowerks CodeWarrior has won this prestigious award.

All PC, Macintosh(R) and Unix software and hardware products are eligible
to win the Byte Editors’ Choice Awards. The “Awards of Excellence” are the
highest ranking awards accorded by the Editors of Byte Magazine and are
intended for products which “showcase technical innovation that sets a new
standard for a product class.”

Only eleven “Awards of Excellence” were granted in 1997 by the Byte
Magazine Editors who selected CodeWarrior for its unified front-end which
“makes it easy to develop applications for Be(TM), Palm(TM), Pilot(TM),
MagicCap(TM), Windows(R) and embedded applications.”

“Metrowerks is very proud to be chosen for its second Byte Magazine
Editors’ Choice Award of Excellence in four years,” said Jean Belanger,
chairman and chief executive officer of Metrowerks. “We are especially
gratified to receive industry recognition for our cross-platform strategy
whereby we are extending CodeWarrior’s ability to build applications for a
number of computer platforms and embedded systems.”

About Metrowerks
Founded in 1985, Metrowerks develops, markets and supports a complete line
of computer language products for building Mac(TM) OS, Windows 95, Windows
NT(TM), MagicCap, BeOS, PalmOS, PlayStation(TM) OS and PowerTV(TM)
applications. Metrowerks’ CodeWarrior products have become the industry
standard for professional Mac-hosted software development with more than
50,000 registered users in 70 countries. Additional information on
Metrowerks and its products can be obtained in the U.S. by sending e-mail
to info@metrowerks.com, by calling (800) 377-5416, or via the Internet at
http://www.metrowerks.com.

###

Metrowerks, the Metrowerks logo and CodeWarrior are registered trademarks
of Metrowerks Inc. Macintosh is a registered trademark of Apple Computer,
Inc. Mac is a trademark of Apple Computer, Inc. Windows, Windows NT and
Windows 95 are either registered trademarks or trademarks of Microsoft
Corp. in the United States and/or other countries. All other companies and
products may be trademarks of their respective holders and are hereby
recognized.

-30-