Mr. Andrew Y. Yan has served as an independent director of our company since October 2006. Mr. Yan controls SB Asia Investment Fund II L.P. and is a managing partner of SAIF Partners III, he is also the president of Softbank Asia Infrastructure Fund. Before joining Softbank Asia Infrastructure Fund in 2001, Mr. Yan was a managing director and the head of the Hong Kong office of Emerging Markets Partnership. From 1993 to 1994, he was the director responsible for strategic planning and business development for the Asia Pacific region at Sprint International Corporation. Mr. Yan has also worked as a research fellow at the Hudson Institute in Washington, D.C., the World Bank and the State Commission for Economic Restructuring of the State Council of the PRC. Mr. Yan was elected as "Venture Capitalist of the Year" in 2004 and "Top-Ten Venture Investors in 2005" by China Venture Capital Association. He is currently an independent director of two Hong Kong listed companies, China Oilfield Services Limited and Stone Group Holdings Limited. Mr. Yan received a Master of Arts degree from Princeton University and a Master of Arts degree from Peking University as well as a bachelor's degree in Engineering from the Nanjing Aeronautic Institute.