Palo Alto Networks is extremely well capitalized and backed by some of the most successful and established venture capital firms. In November 2008, the company announced a $36 million Series C financing round, making Palo Alto Networks one of the most strongly funded companies in the security infrastructure sector and providing enough capital to build a long-standing independent company.

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Greylock Partners

Founded in 1965, Greylock Partners is one of the world's leading venture capital firms. Over the past 41 years, Greylock has funded and helped build several hundred successful companies. The Greylock approach uniquely puts the entrepreneur first, with Greylock working as an "invited guest" in a highly supportive yet consultative way to help entrepreneurs build market-leading companies. Companies Greylock has funded include Ascend Communications, CheckFree, Continental Cable, Decru, DoubleClick, Internet Security Systems, Ikanos, Legato, Millennium Pharmaceuticals, Openwave, Red Hat, RightNow Technologies, Tellabs, Trilogy and Wily Technology. Greylock's offices are located in Silicon Valley, the Boston area and Israel. For more information, please visit www.greylock.com.

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Sequoia Capital

Sequoia Capital provides venture capital funding to founders of startups who want to turn business ideas into enduring companies. As the "Entrepreneurs Behind the Entrepreneurs", Sequoia Capital's Partners have worked with innovators such as Steve Jobs of Apple Computer, Larry Ellison of Oracle, Bob Swanson of Linear Technology, Sandy Lerner and Len Bozack of Cisco Systems, Dan Warmenhoven of NetApp, Jerry Yang and David Filo of Yahoo!, Jen-Hsun Huang of NVIDIA, Michael Marks of Flextronics, Larry Page and Sergey Brin of Google, Chad Hurley and Steve Chen of YouTube, Dominic Orr and Keerti Melkote of Aruba Wireless Networks, Jonathan Kaplan of Pure Digital, Tony Hsieh of Zappos and Omar Hamoui of Admob. To learn more about Sequoia Capital visit www.sequoiacap.com/us/technology.

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Globespan Capital Partners

With offices in Palo Alto and Boston, Globespan Capital Partners is an independent venture capital firm focusing on information technology. Globespan has a unique position in the US venture capital industry due to its ability to provide portfolio companies access to Asian customers and partners. Globespan manages several funds, including JAFCO America Technology Fund III and Globespan Capital Partners IV. Some of the firm's investments include Aptis, Argon, Avanex, Brocade, Digital Island, edocs, Monterey Networks, Net Perceptions, Obsidian, Ocular, Pirus, Sentient Networks, and Silknet Software. For more information, visit www.globespancapital.com.

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JAFCO Ventures

Based in Palo Alto, California, JAFCO Ventures is an independent venture capital partnership focused on companies that are emerging leaders in the software, semiconductor and communications industries. JAFCO Ventures was formed in 2003 and currently manages $200 million in capital. The fund's charter is to invest in venture opportunities with true "breakout" potential where JAFCO Ventures can meaningfully add value with capital, the experience of seasoned venture capital investors, and the deployment of our Asia business development (ABD) team. The roleof the ABD team is to help JAFCO's portfolio companies generate revenue from customers in Japan and other parts of Asia. For more information, visit www.jafco.com.