Press Release

Internet World Chicago 2001 Opens Today At McCormick Place

CHICAGO--(BUSINESS WIRE)--July 9, 2001--Penton Media's (NYSE: PME, http://www.penton.com) Fifth Annual Internet World Chicago 2001 opened today at McCormick Place Convention Center.

The Midwest's most comprehensive Internet Business Conference and Exhibition will play host to thousands of business professionals who will converge to visit the industry's leading technology vendors and attend superior educational sessions. The event runs through Thursday, July 12th.

Penton Media has increased the conference program this year from three to four days, to bring attendees information and practical case studies on all the cutting-edge applications and technologies available to keep business moving forward. Sessions cover the wide range of business Internet issues with practical guides to using the Net in sales and marketing, corporate communications, manufacturing, distribution, logistics and finance.

Conference program highlights include The Artificial Intelligence (AI) Forum, Next Generation Internet Forum, FlashCore, New Media Developer Forum, Enterprise Streaming Forum, Wireless Internet Forum, and Internet Voice Forum.

The event will also feature dynamic keynote presentations by industry leaders, including: Greg Braden, Executive Vice President of Broadband Service/CTO, AT&T Broadband; Brian NeSmith, President and CEO, CacheFlow Inc.; Daniel P. DiMaggio, CEO, UPS Logistics Group; and Roger Siboni, President and CEO, E.piphany.

For more information go to http://www.internetworld.com/events/chicago2001

Penton Media (NYSE: PME - news) is a leading, global business-to-business media company that produces market-focused magazines, trade shows and conferences, and Web sites. Penton's integrated media portfolio serves the following industries: Internet/broadband; information technology; electronics; natural products; food/retail; manufacturing; design/engineering; supply chain; aviation; government/compliance; mechanical systems/construction; and leisure/hospitality. For more information, visit www.penton.com.