Qualys Ranked the 36th Fastest Growing Company in Silicon Valley

REDWOOD CITY, Calif. - October 10, 2008 - Qualys®, Inc., the leading provider of on demand IT security risk and compliance management solutions, today announced it has been named to Silicon Valley/San Jose Business Journal’s “Fast 50”, a ranking of private companies based on percent revenue growth from 2005 to 2007. Over the past three years, Qualys has seen a 111.13 percent revenue growth garnering the company the 36th spot on the Fast 50 list. The Fast 50 standing is a testament to the strong demand for and increased market adoption of Qualys’ Security-as-a-Service model by large enterprises and SMBs alike.

“Being named the 36th fastest growing company in Silicon Valley is a tribute to the global adoption of our Security-as-a-Service platform and applications,“ said Philippe Courtot, CEO and chairman of Qualys. “We are honored that the Silicon Valley /San Jose Business Journal has recognized Qualys’ growth, and in turn, highlighted the ease if use, quality, scalability and cost effectiveness that the Security-as-a-Service model uniquely provides.”

The Silicon Valley/San Jose Business Journal’s “Fast 50”, published as a special supplement in the publication’s October 10, 2008 issue, highlights Qualys’ ranking which was released at a private awards dinner held on October 7, 2008 in San Jose at the Fairmont Club Regency.

“These awards honor the fastest-growing privately held companies in Silicon Valley over a three year period,” said Moryt Milo, editor at the Silicon Valley/San Jose Business Journal. “We congratulate Qualys for ranking among the top companies on the Silicon Valley/San Jose Business Journal Fast 50.”

The Fast 50 represents the third award Qualys has received this Fall. On September 15, 2008 Qualys received the Frost & Sullivan Global Growth Strategy Leadership Award and on September 18, 2008 Qualys was named one of America’s fastest-growing companies by Inc. Magazine for the second consecutive year, achieving the 25th position for 2008.

Founded in 1999, Qualys pioneered Security-as-a-Service and is the first and only company to deliver a suite of security, risk and compliance solutions through an on demand delivery model. Qualys’ flagship product, QualysGuard®, allows organizations to strengthen the security of their networks and conduct automated security audits to ensure compliance with policies and regulations. Today QualysGuard is the widest deployed security on demand solution in the world, performing over 200 million IP audits per year at 3,500 organizations in 85 countries, including 35 of the Fortune Global 100.

About Qualys

Qualys, Inc. is the leading provider of on demand IT security risk andcompliance management solutions – delivered as a service. Qualys’Software-as-a-Service solutions are deployed in a matter of hours anywhere inthe world, providing customers an immediate and continuous view of theirsecurity and compliance postures. The QualysGuard® service is used today bymore than 3,500 organizations in 85 countries, including 35 of the FortuneGlobal 100 and performs more than 200 million IP audits per year. Qualys hasthe largest vulnerability management deployment in the world at a FortuneGlobal 50 company. Qualys has established strategic agreements with leadingmanaged service providers and consulting organizations including BT, Etisalat,Fujitsu, IBM, I(TS)2, LAC, SecureWorks, Symantec, TELUS and VeriSign. For moreinformation, please visit www.qualys.com.

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Qualys, the Qualys logo and QualysGuard are proprietary trademarks of Qualys, Inc. All other products or names may be trademarks of their respective companies.

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