JUPITERMEDIA'S 802.11 PLANET TRADE SHOW ADDS IBM TO EXHIBITOR ROSTER FOR BOTH UPCOMING JUNE AND DECEMBER EVENTS

802.11 Planet Spring 2003 Conference & Expo provides a forum where industry experts and IT professionals meet to discuss Wi-Fi enterprise applications, utilization and business. In addition to IBM, these notable companies have signed on as sponsors and exhibitors at this time: AT&T; Wireless, Hewlett-Packard, Intel, Microsoft, Nextel, Nortel Networks, Nomadix, PCTEL, Proxim, Rocksteady Networks, Sony Ericsson, Texas Instruments, VeriSign and Verizon, to name a few. Analyst Sponsor for the event is Jupiter Research. To view the complete list of sponsors and exhibitors visit www.jupiterevents.com/80211/spring03/exhibitors.html. 802.11 Planet Spring 2003 Conference & Expo is hosted by 80211-Planet.com, HotSpotList.com, EarthWeb.com and internet.com, and is produced by Jupitermedia.

For more information and to view the complete conference agenda visit the event Web site at www.jupiterevents.com/80211/spring03/index.html. For registration information, contact Lillian Potter at (203) 662-2857 or [email protected]. For sponsorship and exhibition information, contact Tim Walsh at (203) 662-2838 or [email protected].

About Jupitermedia Corporation
Jupitermedia Corporation (Nasdaq: JUPM), (http://www.jupitermedia.com) headquartered in Darien, CT, is a leading provider of global real-time news, information, research and media resources for information technology and Internet industry professionals. Jupitermedia includes the internet.com and EarthWeb.com Network of over 150 Web sites and 175 e-mail newsletters that generate over 200 million page views monthly. Jupitermedia also includes Jupiter Research, a leading international research advisory organization specializing in business and technology market research in 18 business areas and 11 vertical markets. In addition, Jupiter Events include nearly 40 offline conferences and trade shows focused on IT and business- specific topics, including Computer Digital Expo, America's 21st Century Enterprise IT Conference & Expo (http://www.cdxpo.com).

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release which are not historical facts are "forward-looking statements" that are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. The potential risks and uncertainties address a variety of subjects including, for example, the competitive environment in which Jupitermedia Corporation competes; the unpredictability of Jupitermedia Corporation's future revenues, expenses, cash flows and stock price; Jupitermedia Corporation's ability to integrate acquired businesses, products and personnel into its existing businesses; Jupitermedia Corporation's international and venture fund investments; any material change in Jupitermedia Corporation's intellectual property rights and continued growth and acceptance of information technology and the Internet. For a more detailed discussion of such risks and uncertainties, refer to Jupitermedia Corporation's reports filed with the Securities and Exchange Commission pursuant to the Securities Act of 1933 and the Securities Exchange Act of 1934. The forward-looking statements included herein are made as of the date of this press release, and Jupitermedia Corporation assumes no obligation to update the forward-looking statements after the date hereof.

CONTACT:
For more information about Jupitermedia contact:
Mary Ann Boland
Marketing & Public Relations Associate
Jupitermedia Corporation
(212) 547-7939
[email protected]

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All current Jupitermedia Corporation press releases can be found on the World Wide Web at http://www.internet.com/corporate/press.html.