Steve Jobs to Keynote at Macworld San Francisco 2004

FRAMINGHAM, MA – DECEMBER 18, 2003 – IDG World Expo today announced that Steve Jobs, Apple's CEO, will deliver the opening keynote address for Macworld Conference & Expo® San Francisco 2004 on Tuesday, January 6, 2004 at 9:00 a.m. Macworld will be held at San Francisco's Moscone Convention Center January 5-9, 2004.

"This is the biggest Macintosh community event of the year and we're looking forward to a great show," said David Korse, president of IDG World Expo. "We are thrilled that Steve is going to kick off Macworld with a keynote address."

Additional event highlights and registration information are available on the Macworld Conference & Expo Web site at http://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 http://www.macworldexpo.com.

About IDG World Expo

IDG World Expo (www.idgworldexpo.com) produces technology-focused tradeshows, conferences and events for professionals seeking world-class education, peer-to-peer networking and one-stop comparison shopping. As the leading technology event management company, IDG World Expo leverages its experience and knowledge of technology-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•IT World Conference + Expo, Health•IT World Conference + Expo™, COMNET Conference & Expo, BiometricsWorld Global SeriesTM, Portable Power Conference & Expo and Wireless Sensing SolutionsTM. 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.

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