NEW APPLE FEATURE PRESENTATION ADDED TO LINE-UP AT MACWORLD SAN FRANCISCO 2002

Framingham, Mass. – January 3, 2002 – IDG World Expo, the leading producer
of world-class tradeshows, conferences and events for IT markets, today
announced the addition of a special Apple feature presentation at the
upcoming Macworld Conference & Expo/San Francisco 2002. Avie Tevanian,
Apple’s senior vice president of Software Engineering, and Philip Schiller,
Apple’s vice president of Worldwide Product Marketing will present a
feature presentation entitled “Power of X” at Macworld Conference & Expo on
Tuesday, January 8, 2002 from noon until 1 p.m. Macworld will be held at
San Francisco’s Moscone Center, January 7-11, 2002.

Open to all Macworld conference attendees, the feature presentation will
focus on Apple’s revolutionary operating system. The presentation will
serve as a follow-up to the opening keynote, which will be presented by
Apple CEO Steve Jobs on Monday, January 7, 2002 at 9 a.m.

“Judging from the excitement out there about the keynote, we’re sure that
the new feature presentation will also be a must-attend event for all Mac
enthusiasts,” said Charlie Greco, president and CEO of IDG World Expo.

Additional event highlights and registration information are available on
the Macworld Conference & Expo Web site at 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 and COMNET Conference & Expo, which features COMNET Wireless,
Enterprise Application Summit and ESPWorld. 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 300 targeted Web
sites in 70 countries. IDG is also a leading producer of 168
computer-related events worldwide, and provides IT market analysis through
51 offices in 43 countries worldwide. Company information is available at
www.idg.com.