Draper Fisher Jurvetson
Draper Fisher Jurvetson is the leading early-stage information technology venture capital firm. Headquartered in Redwood City, CA, Draper Fisher Jurvetson manages over $2 billion in committed capital and has developed a large network of highly successful Internet portfolio companies. Draper Fisher Jurvetson pursues a people/market/technology approach to venture capital investing, funding entrepreneurs with the energy, vision, experience and desire to build great companies. www.dfj.com

Draper Fisher Jurvetson Gotham Ventures
Draper Fisher Jurvetson Gotham Ventures is an early-stage information technology venture capital firm managing approximately $100 million in capital. DFJ Gotham focuses on early stage IT companies in the Internet and Internet technology, broadband and wireless communications, networking infrastructure and solutions, enterprise software and IT opportunities in New York and the surrounding regions. Draper Fisher Jurvetson Gotham is an affiliate fund of Draper Fisher Jurvetson, a leading venture capital firm in Silicon Valley. For more information about Draper Fisher Jurveston Gotham see www.dfjgotham.com. For more information on Draper Fisher Jurvetson see www.dfj.com

New Venture Partners, LLC
The former Lucent New Ventures Group is a seed and early-stage venture capital firm with a proven history of creating communications and information technology startups that leverage institutional innovations. Starting in 1997 as Lucent Technologies' New Ventures Group, our team founded and financed a succession of companies built upon Bell Labs technologies. www.nvpllc.com

RBC Technology Ventures Inc.
RBC Technology Ventures Inc. supports and finances the growth of innovative companies as an active investor in early stage venture capital funds as well as using its RBC Strategic Technology Fund to make direct investments. RBC Technology Ventures makes investments primarily through an extensive network of sector and cluster-based funds in life sciences, engineering and physical sciences, agricultural biotechnology, information technology, and financial services-related infrastructure and technology. RBC Technology Ventures is a subsidiary of Royal Bank of Canada (RY: NYSE, TSX) and is headquartered in Toronto with offices in Montreal, Boston, Atlanta, and Menlo Park.

Royal Bank of Canada (RBC), which trades as RY on the TSX and NYSE, and its subsidiaries operate under the masterbrand RBC Financial Group, and has five major lines of business: personal and commercial banking (RBC Banking), wealth management (RBC Investments), insurance (RBC Insurance), corporate and investment banking (RBC Capital Markets) and securities custody and transaction processing (RBC Global Services). RBC is one of North America's premier diversified financial services companies and Canada's largest company as measured by assets and market capitalization. In total, we serve more than 12 million personal, business and public sector clients worldwide from offices in more than 30 countries. See www.royalbank.com/rbcv/ for more information.

Wachovia Strategic Ventures
Wachovia Strategic Ventures makes strategic equity investments that support Wachovia's technology initiatives. The group invests in enabling technology that offers substantial operating efficiencies or generates incremental revenue to any of Wachovia's business units with a current focus on security, enterprise application integration, distributed computing solutions and customer relationship management. To date, Strategic Ventures has invested over $160 million in 21 companies.

Wachovia Strategic Ventures is a subsidiary of Wachovia Corporation (NYSE:WB). Wachovia Corporation, created through the September 1, 2001, merger of First Union and Wachovia, had assets of $326 billion and stockholder's equity of $29 billion as of September 30, 2002. Wachovia is a leading provider of financial services to 19 million retail, brokerage and corporate customers throughout the East Coast and the nation. The company operates full-service banking offices under the First Union and Wachovia names in 11 East Coast states and Washington, D.C., and offers full-service brokerage with offices in 48 states and global services through more than 30 international offices. Online banking and brokerage products and services are available through www.wachovia.com