Mr. Au-Yeung Tsan Pong, Davie, aged 66, has been an independent non-executive director of the Company since 2004. Mr. Au-Yeung graduated from the Hong Kong Polytechnic (now known as the Hong Kong Polytechnic University) in 1974. He is a fellow member of the Hong Kong Institute of Directors. Mr. Au-Yeung has extensive experience in management, having held senior executive appointments in the tertiary education field and the service industry for over 30 years. He serves on the council of a charitable organization which raises funds and advocates for the well-being of children. He is also the Honorary Secretary of a non-government organisation. Mr.Au-Yeung does not hold any directorship in other listed companies.

Mr. Ip Chi Shing, aged 64, is the co-founder and the chairman of the Group. Mr. Ip was re-designated from an executive director to a non-executive director of the Company on 1 January 2012. Mr. Ip has 40 years of experience in the manufacture of and trading in petrochemical products. He is the brother of Mr. Yip Tsz Hin, deputy chairman of the Group and executive director of the Company and the father of Mr. Ip Kwan, a member of the Group Executive Committee. In 2006, Mr. Ip established "Ip Chi Shing Charitable Foundation Limited" with the objectives of fostering education in China and providing care for the underprivileged groups in Hong Kong.

Mr. Tong Wui Tung, Ronald, aged 62, was elected as an independent non-executive director of the Group since 1993 and was re-designated as a non-executive director of the Group in 2004. Mr. Tong is a partner of the law firm, Messrs. Cheung, Tong & Rosa, legal advisers of the Group on Hong Kong Law which receives usual professional fees in connection with services rendered to the Group. Mr. Tong has been practising as a solicitor in Hong Kong for over 30 years and is also an independent non-executive director of Country Garden Holdings Company Limited, a company listed on The Stock Exchange of Hong Kong Limited.

Mr. Ng Siu Ping, aged 53, joined the Group in 1991 and was appointed as an executive director of the Company since 1992. Mr. Ng retired on 1 July 2011 and was re-designated as a non-executive director of the Company.Mr. Ng obtained a Higher Diploma in Accountancy from the Hong Kong Polytechnic (now known as the Hong Kong Polytechnic University). He is a fellow member of the Association of Chartered Certified Accountants and a certified public accountant of the Hong Kong Institute of Certified Public Accountants. Mr. Ng has over 30 years of experience in the field of auditing and accounting. Mr. Ng does not hold any directorship in other listed companies.

Mr. Wong Kong Chi, aged 54, has been an independent non-executive director of the Company since 1993. He is a fellow member of the Association of Chartered Certified Accountants and a certified public accountant of the Hong Kong Institute of Certified Public Accountants. Mr. Wong retired in 1993 after working in the merchant banking industry for over 10 years. Mr. Wong does not hold any directorship in other listed companies.

Mr. Li Chak Man, aged 64, has been an independent non-executive director of the Company since 2004. Mr. Li obtained a Master Degree in Statistics from Texas A&M University. Mr. Li retired in 2004 after having worked in the petrochemical industry for over 25 years, accumulating extensive experience in logistics, procurement, management, personnel and administration. He was a representative to the Association of International Chemical Manufacturers in the 90's to promote safety distribution of hazardous chemicals. Mr. Li does not hold any directorship in other listed companies.

Mr. Ku Yuen Fun, Andy, aged 60, has been an independent non-executive director of the Group since 2008. Mr. Ku graduated from the Hong Kong Polytechnic (now known as the Hong Kong Polytechnic University) and began his career at Shell Chemicals. Mr. Ku has extensive managerial experience in the oil & petrochemical industries in the Greater China region. He was a Director of Shell Hong Kong Limited, a Board Director of the Business Environment Council and the Chairman of Tianjin International Petroleum Storage and Transportation Company Limited. Mr. Ku does not hold any directorship in other listed companies.