Mr. Kwong has been an Independent Non-executive Director of the Company since 2004. He is also the chairman of the Audit Committee and a member of the Remuneration Committee of the Company. He graduated from The University of Hong Kong with a bachelor's degree in social sciences in 1972 and qualified as a chartered accountant in England in 1977. He was a partner of Pricewaterhouse from 1984 to 1998 and an independent member of the Council of The Stock Exchange of Hong Kong from 1992 to 1997. He is an independent non-executive director of Henderson Investment Limited, Agile Property Holdings Limited, China Chengtong Development Group Limited, China Power International Development Limited, CITIC Telecom International Holdings Limited, Global Digital Creations Holdings Limited, NWS Holdings Limited, OP Financial Investments Limited, Quam Limited and China COSCO Holdings Company Limited, all of which are listed companies. Mr. Kwong previously served as an independent non-executive director of Ping An Insurance (Group) Company of China, Ltd. until 3 June 2009, Tianjin Development Holdings Limited until 26 May 2010, China Oilfield Services Limited until 28 May 2010, Frasers Property (China) Limited until 14 January 2011, COSCO International Holdings Limited until 9 June 2011 and Beijing Capital International Airport Company Limited until 15 June 2011.

Professor Ko has been an Independent Non-executive Director of the Company since 2004. He is also a member of the Audit Committee and Remuneration Committee of the Company. Professor Ko holds a Bachelor of Science (Honours) degree from the University of Hong Kong, a Doctor of Philosophy degree and a Master of Science degree from the University of California at Berkeley. He is an Adjunct Professor of Beijing and Tsinghua University and Emeritus Professor of Electrical & Electronic Engineering and the former Dean of the School of Engineering of The Hong Kong University of Science and Technology. He was the Vice Chairman of Electrical Engineering and Computer Science Department of the University of California at Berkeley in 1991 – 1993 and a member of Technical staff, Bell Labs, Holmdel, in 1982 – 1984, Professor Ko is an independent non-executive director of Henderson Investment Limited and China Resources Microelectronics Limited, both of which are listed companies. He also served as an independent non-executive director of China Resources Logic Limited, being a listed company, until his resignation in March 2008.

Mr. Wu has been an Independent Non-executive Director of the Company since 2005. He is also the Chairman of the Remuneration Committee and a member of the Audit Committee of the Company. Mr. Wu is the Life Honorary Chairman of the Chinese General Chamber of Commerce, the Honorary Permanent President of the Chinese Gold & Silver Exchange Society and the Permanent Honorary President of the Hong Kong Securities Association Ltd. He is an executive director of Lee Cheong Gold Dealers Limited. He is also an independent non-executive director of Yau Lee Holdings Limited, Henderson Investment Limited, Hong Kong Ferry (Holdings) Company Limited and Miramar Hotel and Investment Company, Limited, all of which are listed companies. Mr. Wu previously served as an independent non-executive director of Chevalier Pacific Holdings Limited, a listed company, until 27 October 2011.