3Com Corporation (NASDAQ: COMS) will announce results for its third fiscal quarter ended March 2, 2007 on the afternoon of Thursday, March 22, 2007 after the stock market closes. Following the release, management will hold a conference call to discuss 3Com Corporation's financial results, quarterly highlights and business outlook. The conference call, which is available to the public, will begin at 5:00 PM EDT on Thursday, March 22, 2007.

To participate on the call, U.S. and international parties may dial (913) 981-5545. Alternatively, interested parties may listen to the live broadcast of the call over the Internet at 3Com's Investor Relations Web site (www.3com.com/investor) in the Earnings Webcast section.

For those unable to participate on the live call, a 24-hour replay will be available starting at 8:00 PM EDT on March 22 by dialing (719) 457-0820, or (888) 203-1112, Confirmation Code: 4284198. A replay will also be available over the Internet at 3Com's Investor Relations Web site (www.3com.com/investor) in the Earnings Webcast section. The replay will be available for approximately three weeks after posting.

A copy of the press release announcing the results as well as related financial and business information will be available on 3Com Corporation's Web site, www.3Com.com, after close of market on March 22.

About 3Com Corporation

3Com Corporation is a leading provider of secure, converged voice and data networking solutions for enterprises of all sizes. 3Com offers a broad line of innovative products backed by world class sales, service and support, which excel at delivering business value for its customers. Through its TippingPoint division, 3Com is the leading provider of network-based intrusion prevention systems that deliver in-depth application protection, infrastructure protection, and performance protection. 3Com also is the majority owner of Huawei-3Com Co., Limited (H3C). On November 28, 2006, 3Com announced that the company reached an agreement to acquire Huawei's remaining 49 percent stake and take full ownership, pending customary approvals. H3C brings innovative and cost-effective product development and manufacturing and a strong footprint in one of the world's most dynamic markets. For further information, please visit www.3com.com, or the press site www.3com.com/pressbox.

Copyright © 2007 3Com Corporation. 3Com and the 3Com logo are registered trademarks and TippingPoint is a trademark of 3Com Corporation. All other company and product names may be trademarks of their respective holders