STEVE WOZNIAK TO JOIN OTHER LUMINARIES IN SPECIAL PRESENTATION AT MACWORLD
CONFERENCE & EXPO

“The Move to Mac OS X” promises to entertain, educate

FRAMINGHAM, Mass., November 20, 2002 – IDG World Expo, the leading producer
of world-class tradeshows, conferences and events for IT markets around the
globe, today announced that Apple co-founder Steve Wozniak will participate
in a special presentation at the upcoming Macworld Conference & Expo. Open
to all Macworld attendees, “The Move to Mac OS X” takes place on the North
Hall Stage at San Francisco’s Moscone Center on Tuesday, January 7, 2003
from 2:00 – 3:00 p.m. PST.

“The Move to Mac OS X” audience can expect to learn about the reasons for
upgrading to OS X and the environment for those with earlier versions of
the Mac OS. Host Dave Mark, editor-in-chief of MacTech Magazine, will lead
an all-star panel, featuring Wozniak, noted Mac authors Bob LeVitus and
Robin Williams, and MacTech Publisher Neil Ticktin for a lively discussion
of the current state of the Macintosh.

“We’re very excited that Steve Wozniak and other industry greats will
gather on stage for this special presentation,” said IDG World Expo
President and CEO Charlie Greco. “It’s an extraordinarily historical event
for Macworld to host Steve Jobs in the morning and Steve Wozniak in the
afternoon. As the largest event serving the Mac community, we’re trying to
offer the best education possible but also make it entertaining. This
lineup is sure to accomplish both.”

“We’re all thrilled to have this chance to interact with Steve and to get
his perspective on the move to Mac OS X,” added panel leader Dave Mark.
“This is a rare and unique opportunity and we’re working hard to make this
event something special.”

Macworld Conference & Expo takes place January 6-10, 2003. Steve Jobs,
Apple’s CEO, will deliver the keynote address on Tuesday, January 7 at 9:00
a.m. PST.

For more information or to register for Macworld Conference & Expo, please
visit www.macworldexpo.com.

About Macworld Conference & Expo
Owned and produced by Framingham Mass.-based IDG World Expo, Macworld
Conference & Expo is the world’s most comprehensive Macintosh OS event.
Macworld Conference & Expo showcases products and services for
professionals involved in media and creative content development for
corporate and home applications, as well as consumers using the Mac at
home. Macworld Conference & Expo brings together the loyal base of Mac OS
audiences in creative services, education, application development,
entertainment, small office/home office and Internet-based environments.
Macworld Conference & Expo offers professionals and consumers alike the
opportunity to discover the latest developments and hottest products these
markets offer. For more information, please visit the Web site at
www.macworldexpo.com.

About IDG World Expo
IDG World Expo (www.idgworldexpo.com) produces IT-focused tradeshows,
conferences and events for professionals seeking world-class education,
peer-to-peer networking and one-stop comparison shopping. As the leading IT
event management company, IDG World Expo leverages its experience and
knowledge of IT-focused events and conferences, enabling technology
companies to capture the attention and loyalty of influential buyers. IDG
World Expo’s portfolio of conferences and events includes Macworld
Conference & Expo, LinuxWorld Conference & Expo, Bio-ITWorld Conference &
Expo, COMNET Conference & Expo, Integrated Security Conference & Expo and
BiometricsWorld Conference & Expo. IDG World Expo is a business unit of
IDG, the world’s leading technology media, research and event company.

About IDG
IDG publishes more than 300 magazines and newspapers and offers online
users the largest network of technology-specific sites around the world
through IDG.net (www.idg.net), which comprises more than 330 targeted Web
sites in 80 countries. IDG is also a leading producer of 168
computer-related events worldwide, and IDG’s research company, IDC,
provides global market intelligence and advice through 51 offices in 43
countries. Company information is available at www.idg.com.