Matrix Partners

Since its inception in 1977, Matrix Partners has been dedicated to helping outstanding entrepreneurs build industry-leading technology companies. Matrix focuses on companies that develop cornerstone technologies of the information revolution and invests in a broad range of sectors including software, communications equipment, semiconductors, storage, Internet and wireless. With offices in the two major technology centers -- Boston and Silicon Valley -- Matrix has developed an exceptionally strong network of contacts and a deep reservoir of entrepreneurial know-how.

Companies that have gone public out of the Matrix portfolio in the last two years and that Matrix played a founding role in include ArrowPoint Communications (acquired by Cisco), Alteon Web Systems (acquired by Nortel), Blue Martini Software (Nasdaq: BLUE), Broadband Access Systems (acquired by ADC Telecommunications), OnDisplay (acquired by Vignette), Phone.com (merged with Software.com to form Openwave, OPWV), SilverStream Software (Nasdaq:SSSW), Sonus Networks (Nasdaq: SONS), Sycamore Networks (Nasdaq: SCMR) and Turnstone Systems (Nasdaq:TSTN). For more information visit www.matrixpartners.com.

Charles River Ventures

Founded in 1970, Charles River Ventures (CRV) is one of the nation's oldest and most successful early-stage venture capital firms with $2 billion under management. CRV is dedicated to helping exceptional entrepreneurs turn their ideas into the next category leaders in the data communications and software & services sectors. To build these companies, CRV provides entrepreneurs with access to a unique combination of financial backing, startup operations expertise and strategic business services. Over the past 10 years, CRV funds have been ranked among the industry's top performers. This superior investment record includes leading companies such as Cascade, Chipcom, CIENA, iBasis, Sonus Networks, SpeechWorks International and Vignette. CRV has offices in Boston, MA and Menlo Park, CA. For more information visit www.crv.com.

Battery Ventures

Battery Ventures is a leading venture capital firm focused on investing in technology companies at all stages of growth. With a team of over 30 experienced investment professionals, Battery leverages its people, expertise and capital to actively guide companies to category dominance. The firm has invested in over 160 technology companies worldwide across the communications, software, infrastructure, and media and content industries. From its offices in Wellesley, MA and San Mateo, CA the partnership manages over $1.8 billion in committed capital. The firm's exceptionally strong investment returns have given us one of the best track records in the industry. For more information, please visit www.battery.com.

Orange

Orange Ventures is a private global venture capital partnership dedicated to investing in telecommunications technologies that enable wirefree mobility. Orange Ventures has a $225 million fund under management and has Orange SA, one of the largest mobile service providers in the world, as its sole limited partner. Orange Ventures invests across the wireless value chain: from network infrastructure, hardware, and equipment, through to middleware, devices, software, applications and services.

Formed in late 2000, Orange Ventures has offices in London, Boston, San Francisco, and New Jersey and invests in the United States, Europe and Israel. To learn more about Orange Ventures, visit www.orangeventures.com.

Sequoia Capital

Since 1972, Sequoia Capital has provided startup venture capital for very smart people who want to turn ideas into companies. As the "Entrepreneurs Behind the Entrepreneurs", Sequoia Capital's Partners have worked with innovators such as Sandy Lerner and Len Bozack of Cisco Systems, Jerry Yang and David Filo of Yahoo!, Gaurav Garg of Redback Networks, Larry Page and Sergey Brin of Google, Dan Warmenhoven of Network Appliance, Elon Musk and Peter Thiel of PayPal (eBay), T.J. Rodgers of Cypress Semiconductor, Lou Tomasetta of Vitesse Semiconductor, Steve Jobs of Apple Computer and Larry Ellison of Oracle. The companies organized by Sequoia Capital now account for about 10% of the value of NASDAQ. To learn more about Sequoia Capital visit www.sequoiacap.com.

Meritech Capital Partners

Meritech is a late-stage venture capital firm dedicated to building technology companies of lasting value by providing efficient access to expansion stage capital for rapidly-growing companies with differentiated technology. Meritech leverages a broad network of individuals and the network of companies within our portfolio to create strategic and business opportunities for our investments.

Since inception in 1999, Meritech has raised $2.3 billion in several funds, and has invested in more than 80 companies including Salesforce.com, Topspin Communications, IntraLase, Corvis, Vonage Holdings, 2Wire and many other category and technology sector leaders. To learn more about Meritech Capital Partners, visit www.meritechcapital.com.