Investors

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.

Lightspeed Venture Partners combines extensive venture capital and operating experience to assist entrepreneurs in creating industry-leading technology companies. Lightspeed manages $2.3 billion in funds and focuses on early-stage investments in the United States and Israel.

The partners of Lightspeed have contributed to the success of more than 275 companies since 1971, including AirGate PCS, Brocade, Ciena, Electronics for Imaging, FedEx, Galileo Technology, Genesys Telecommunications Laboratories, Informatica, Kiva Software, Phone.com, Quantum Effect Devices, Sirocco Systems and Vantive. For more information, please visit www.lightspeedvp.com.