3Com Corporation (NASDAQ: COMS) will announce results for its first fiscal quarter ending August 29, 2008, on Monday, September 22, 2008, after the stock market closes. Following the release, management will hold a conference call to discuss the Company’s financial results, quarterly and annual highlights and business outlook. The conference call, which is available to the public, will begin at 5:00 p.m. EDT.

To participate on the call, U.S. and international parties may dial (913) 312-0681. 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 p.m. EDT on September 23, 2008 by dialing (719) 457-0820 or (888) 203-1112, Confirmation Code: 4966065. A replay also will 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 news release announcing the results as well as related financial and business information will be available on 3Com Corporation’s Web site, www.3Com.com, following the closing of the market on September 22.

About 3Com Corporation

3Com Corporation (NASDAQ: COMS) 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. 3Com also includes H3C Technologies Co., Limited (H3C), a China-based provider of network infrastructure products. H3C brings high-performance, cost-effective product development and a strong footprint in one of the world's most dynamic markets. Through its TippingPoint division, 3Com is a leading provider of network-based intrusion prevention systems that deliver in-depth application protection, infrastructure protection, and performance protection. For further information, please visit www.3com.com, or the press site www.3com.com/pressbox.

Copyright © 2008 3Com Corporation. 3Com, the 3Com logo and TippingPoint are registered trademarks and H3C is a trademark of 3Com Corporation or its wholly owned subsidiaries. All other company and product names may be trademarks of their respective holders.

Media & Investors:
3Com Corporation
John Vincenzo, 508-323-1260
john_vincenzo@3com.com
or
Media:
3Com Corporation
Kevin Flanagan, 508-323-1101
kevin_flanagan@3com.com