SUNNYVALE, Calif., Oct. 19, 2006- Fortinet - the pioneer and leading provider of multi-threat security solutions,- today announced that it ranked Number 37 on Deloitte's 2006 Technology Fast 500, a ranking of the 500 fastest growing technology, media, telecommunications and life sciences companies in North America. ankings are based on percentage revenue growth over five years, from 2001-2005.

"Deloitte's Technology Fast 500 companies have shown the strength, vision and tenacity to succeed in today's very competitive technology environment," said Tony Kern, deputy managing principle of Deloitte's Technology, Media & Telecommunications industry practice. "We applaud the successes of Fortinet and acknowledge it as one of the very few to accomplish such a fast growth rate over the past five years."

"With a vision of solving the perplexing challenges of defending against network and content threats, Fortinet introduced the industry's first integrated multi-threat security appliances in 2002," said Ken Xie, Fortinet founder, president and CEO. "Strong customer adoption of our FortiGate systems has led to our phenomenal growth, global leadership of the unified threat management (UTM) market, and shipment of more than 160,000 systems worldwide. We are honored to be part of the prestigious Deloitte Technology Fast 500."

Fast 500 Selection and Qualifying Criteria
The Fast 500 ranks the fastest growing technology, media, telecommunications and life sciences companies in North America. It is compiled from Deloitte's 16 regional North American Fast 50 programs, nominations submitted directly to the Fast 500, and public company database research. Companies are selected based on percentage revenue growth from 2001 to 2005.

Entrants must own proprietary intellectual property or proprietary technology that contributes to a significant portion of the company's operating revenues or devote a significant proportion of revenues to research and development of technology. Using other companies' technology or intellectual property in a unique way does not qualify. Base-year operating revenues must be at least $50,000 USD or $75,000 CD, and current-year operating revenues must be at least $5 million USD or CD. Companies must be in business a minimum of five years, and they must be headquartered within North America.