STEVE JOBS’ KEYNOTE TO OPEN MACWORLD CONFERENCE & EXPO SAN FRANCISCO 2003

FRAMINGHAM, Mass., October 1, 2002 – IDG World Expo, the leading producer
of world-class tradeshows, conferences and events for IT markets around the
globe, today announced that Steve Jobs, Apple’s CEO, will deliver the
opening keynote address for Macworld Conference & Expo/San Francisco 2003
on Tuesday, January 7, 2003 at 9:00 a.m. Macworld Conference & Expo, San
Francisco’s largest annual technology event and the world’s most
comprehensive Macintosh OS event, takes place January 6-10, 2003 at The
Moscone Center in San Francisco.

“This is the hottest Mac event of the year, and we look forward to another
record-breaking crowd in 2003,” said Charlie Greco, president and CEO of
IDG World Expo. “Steve’s keynote will set the direction for 2003 and kick
off another great Macworld.”

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, BioITWorld Conference &
Expo, COMNET Conference & Expo and Integrated Security 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.