Investors

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, 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.

Motorola Ventures (MV) is the global, strategic venture capital investment arm of Motorola, Inc. MV actively invests at all stages in developing companies of strategic value to Motorola in order to accelerate access to new technologies, new markets and new talent. For more information: www.motorola.com/ventures.

The T-Online Venture Fund was established in 2001 and equipped with an investment volume of EUR 100 million. It is managed by T-Venture, the venture capital entity of Deutsche Telekom. Its aim is to support the T-Online business unit in the strategic business segment Broadband/Fixed Network of Deutsche Telekom AG in its objectives. For additional information about T-Venture and the T-Online Venture Fund, please visit www.t-venture.de.

Sutter Hill Ventures has financed technology-based start-ups and assisted entrepreneurs in building market-leading companies since 1964. Through their decades of experience, the partners have developed strong industry networks, considerable operating and venture capital experience, and an understanding of the challenges that early-stage and high-growth companies face.

Founded in 1989, WK Technology Fund has become a leading venture capital firm in Taiwan with focus in Asia and the United States. With over US$600 million under management, WK invests in early-stage and mid-stage private companies in Taiwan, the United States and China, primarily in Semiconductors, Communications and Information Technology. WK Technology Fund creates marketing and manufacturing synergies for its portfolio companies by leveraging its extensive technology network and strong management expertise in Asia and US.

Investor AB of Sweden (www.investorab.com) participated in the offering through Investor Growth Capital, Inc., its healthcare, information technology and telecommunications private equity and venture capital investment group. Investor AB is a long-term active shareholder in a number of global companies, such as Ericsson, AstraZeneca, and ABB. Investor AB has approximately $10 billion in total assets, including $3 billion in assets under management in Investor's global private equity operations in New York, Palo Alto, Stockholm, Munich, Amsterdam, and Hong Kong.

Firelake Capital Management focuses on emerging technology markets, looking out over a long time horizon. Firelake Capital has a history of investing in businesses with the management talent and experience, intellectual property and market strategy to build a large company offering at least a 5x return. A majority of Firelake's investments are in small cap public technology companies. Up to 30% are in private company investments.