Blue Coat Systems, Inc. (Nasdaq: BCSI), the technology leader in Application Delivery Networking, today announced that it continued its lead in the Wide Area Network (WAN) optimization market through the entire calendar year of 2009, according to the latest market share report from Infonetics Research.

“Our market share validates the strength of Blue Coat’s advanced portfolio of Application Delivery Network infrastructure solutions that optimize and secure the delivery of applications and web content to any user, on any network, anywhere,” said Michael Hakkert, vice president corporate marketing at Blue Coat Systems. “Blue Coat continues to lead the market, quarter after quarter, on the strength of its technology that provides visibility combined with policy-based control for granular classification and prioritization of applications. Distributed enterprises can optimize their WANs according to their business priorities with Blue Coat Application Delivery Networks solutions.”

Infonetics Research forecasts that the WAN optimization appliance market will grow by 28 percent over the next three years, from $1.19 billion in 2010 to $1.53 billion in 2014.

WAN optimization is a foundational technology in the Blue Coat Application Delivery Network (ADN) infrastructure. By combining visibility, acceleration and security technologies, the Blue Coat ADN infrastructure enables network managers to optimize and secure the delivery of applications across the extended enterprise.

About Blue Coat Systems

Blue Coat Systems is the technology leader in Application Delivery Networking. Blue Coat offers an Application Delivery Network Infrastructure that provides the visibility, acceleration and security required to optimize and secure the flow of information to any user, on any network, anywhere. This application intelligence enables enterprises to tightly align network investments with business requirements, speed decision making and secure business applications for long-term competitive advantage. For additional information, please visit www.bluecoat.com.

Forward-Looking Statements

The statements contained in this press release that are not purely historical are forward-looking statements, including statements regarding Blue Coat Systems’ expectations, beliefs, intentions or strategies regarding the future, and including statements regarding the capabilities and expected performance of Blue Coat Systems’ products. All forward-looking statements included in this press release are based upon information available to Blue Coat Systems as of the date hereof, and Blue Coat Systems assumes no obligation to update any such forward-looking statements. Forward-looking statements involve risks and uncertainties, which could cause actual results to differ materially from those projected. These and other risks relating to Blue Coat Systems’ business are set forth in the Securities and Exchange Commission reports filed by Blue Coat Systems, including but not limited to the risks described in the most recent reports on Form 10-K and Form 10-Q, particularly under the heading “Risk Factors.”

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