FOR IMMEDIATE RELEASE

Steve Jobs to Deliver Keynote Address at MACWORLD Expo

SAN FRANCISCO, Nov. 10, 1998 — IDG Expo Management Company today announced
Steve Jobs, the interim CEO for Apple Computer, Inc., will deliver the
opening keynote address at MACWORLD Expo January 5, 1999. Jobs keynote
address will take place from 9:00 a.m.-10:30 a.m. at the Moscone Convention
Center in the Esplanade Ballroom on Jan. 5, 1999. The session is open to
registered conference attendees only. MACWORLD Expo/San Francisco annually
brings together established and emerging companies to showcase innovative
products and services for the Macintosh community. MACWORLD Expo/San
Francisco show floor and top-rated conference programs serve as the
premiere showcase for products, services and training geared to
professional and consumers alike. The MACWORLD Expo/San Francisco exhibit
hall opens Jan. 5 and runs through Jan. 8 at the Moscone Convention Center.

MACWORLD Expo’s multiple conference programs cover beginning and advanced
uses of the Mac. The Macworld/Pro sessions offer a technology-intensive
professional development series for the Macintosh design, management and
networking professionals. The Users Conference covers beginning and
advanced uses of applications and techniques in all areas of the Mac OS.
MACWORLD Expo’s general conference, begins with pre-conference workshops on
January 4 and continues through January 8, 1999. Interested parties can
save up to $100 by pre-registering by Dec. 4 through the MACWORLD Expo
website at www.macworldexpo.com or by calling 1-800-645-EXPO.

About IDG Expo Management Company

Headquartered in Norwood, Massachusetts, IDG Expo Management Company is a
premium producer and manager of exposition and conference events that shape
the IT marketplace. IDG Expo Management Company is an affiliate of the
International Data Group (IDG) family of companies. IDG Expo-produced
events include the MACWORLD Expos in Boston and San Francisco; ComNet in
Washington, D.C. and San Francisco and E3Expo -the Electronic Entertainment
Expo produced for the Interactive Digital Software Association (IDSA). Each
year, more than 2,000 exhibiting companies and more than 250,000 IT
professionals attend IDG’s U.S. events to buy, sell, learn about and
influence the IT purchasing agenda. IDG Expo Management Company was founded
in 1979 as Mitch Hall Associates. For more information, please call
781-551-9800 or visit the company’s Web site at www.idgexpos.com

About International Data Group (IDG) Headquartered in Boston, International
Data Group (IDG) informs more people worldwide about information technology
than any other company in the world. With annual revenues of $2.05 billion,
IDG is the leading global provider of IT media, research, conferences and
expositions. IDG publishes more than 290 computer newspapers and magazines
and 700 book titles in 75 countries, led by the Computerworld/InfoWorld,
Macworld, Network World, PC World, Channel World, and …For Dummies global
product lines. IDG offers online users the largest network of
technology-specific sites around the world through IDG.net (www.idg.net),
which comprises more than 240 targeted Web sites in 55 countries. IDG is
also a leading producer of 168 computer-related expositions in 35
countries, and research arm International Data Corporation (IDC) provides
computer industry research and analysis through 49 offices in 41 countries
worldwide. Company information is available at www.idg.com.

About MACWORLD Expo MACWORLD Expo produced by IDG Expo Management Company,
is the world’s most comprehensive Macintosh OS event. MACWORLD Expo is the
showcase for products and services geared to professionals and consumers
involved in traditional new media and creative content development for
corporate and home applications. MACWORLD Expo leverages the loyal base of
Mac OS audiences working in creative services, education, consumer
application development, entertainment, small office/home office and
Internet-based environments. MACWORLD Expo offers professionals and
consumers alike the opportunity to discover the latest developments and
experience the hottest products these markets offer. MACWORLD Expo’s
multiple conference programs cover beginning and advanced uses of the Mac.
Macworld/Pro Conference sessions offer a technology-intensive professional
development series for Macintosh design, management and networking
professionals. A first-class Users Conference program covers beginning and
advanced uses of applications and techniques in areas such as Internet,
design, integration with NT systems, education, content asset management
and delivery, entertainment, and more. MACWORLD Expo is sponsored by Mac
Publishing, LLC, a joint venture between International Data Group and Ziff
Davis, publishers of Macworld Magazine, eMediaweekly and MacWEEK.com. For
more information on MACWORLD Expo call 800-645-EXPO or visit the Web site
at www.macworldexpo.com
Contacts:
Michelle Lifton Laura Erdman
IDG Expo Management Company Brodeur Porter Novelli
781-440-2827 202-973-1386
mlifton@idgexpos.com lerdman@brodeur.com