Investors

Signal Lake
Signal Lake, with offices in Westport, Conn., and Boston, is focused on early stage investments in the broadband telecom and networking infrastructure markets. More information on Signal Lake can be found on its Web site at www.signallake.com.

Acadia Woods Partners
Acadia Woods Partners is a New York based investment partnership that focuses primarily on early stage technology companies.

Newton Technology Partners
Newton Technology Partners, headquartered in Seoul, Korea, is a venture capital partnership that focuses on the Asia-Pacific region. Newton invests in venture companies in Asia and the US that target distinct global demand in "efrastructure" underlying the new economy. For more information, visit Newton Technology Partner's web site at www.newtontp.com.

Yasuda Enterprise Development Co., Ltd.
Yasuda Enterprise Development is a leading Japanese venture capital firm based in Tokyo, with sub-offices in Osaka, Palo Alto in California, USA, and Taipei in the ROC. Managed capital of JPY 40,000M (approx. US$350M) is in insurance firms, commercial banks and corporate investors. The firm invests in the early and expansion stages of information and communication technology, electronics devices, and life science sectors in Asia, Europe, and the United States. Yasuda Enterprise Development has achieved over 200 exits of portfolio companies through IPO in the Japanese OTC market, NASDAQ, OTC market in Taiwan, other stock exchanges, as well as M&A. For more information, visit www.yedvc.co.jp