Fortinet Disputes Trend Micro Patent Infringement Claim

SUNNYVALE, Calif., May 13, 2005 - Fortinet - the confirmed market leader in Unified Threat Management and only provider of ASIC-accelerated, network-based antivirus firewall systems for real-time network protection - today announced that it is seeking review of the initial determination issued by the International Trade Commission (ITC) judge against Fortinet regarding a patent infringement complaint by Trend Micro. Fortinet will vigorously defend its intellectual property while it continues to operate its global business as usual with no impact to partners and customers.

"Fortinet believes that it has been developing products with its own proprietary technology," said Ken Xie, founder, president and CEO of Fortinet. "Fortinet has and will continue to operate with the belief that all companies should respect the intellectual property rights of others."

About Fortinet (www.fortinet.com)
Fortinet is the confirmed leader of Unified Threat Management market. The company's award-winning FortiGate™ series of ASIC-accelerated antivirus firewalls, winner of the 2004 Security Product of the Year Award from Network Computing Magazine and the 2003 Networking Industry Awards Firewall Product of the Year, are the new generation of real-time network protection systems. They detect and eliminate the most damaging, content-based threats from e-mail and Web traffic such as viruses, worms, intrusions, inappropriate Web content and more in real time - without degrading network performance. FortiGate systems are the only security products that are quadruple-certified by the ICSA (antivirus, firewall, IPSec, NIDS), and deliver a full range of network-level and application-level services in integrated, easily managed platforms. Named to the Red Herring Top 100 Private Companies, Fortinet is privately held and based in Sunnyvale, California.