Mr. Meng Xianzhong (孟憲忠), aged 73, graduated from Jilin University and obtained a master’s degree in philosophy and a doctorate degree in philosophy in August 1982 and September 1987 respectively. He also engaged in postdoctoral research in industrial economics at the School of Management of Fudan University from October 1994 to September 1997 and successfully completed the programme. From September 1982 to May 2001, Mr. Meng taught at Jilin University, during which he served successively as an associate professor, professor, doctoral supervisor, the director of the Institute of Social Development of Jilin University and the dean of the School of Philosophy and Sociology. Since May 2001, Mr. Meng has been serving as a professor and doctoral supervisor at Antai College of Economics and Management of Shanghai Jiao Tong University, the director of the Institute of Strategic Management of Shanghai Jiao Tong University and a researcher at the Institute of Multinational Enterprises Strategy for the 21st Century (二十一世紀跨國企業戰略研究院). Since March 2002, he has been serving as a supervisor of Shanghai 100 Year Enterprise Management Consulting Co., Ltd. Since June 2024, he has been serving as an independent director of Shanghai Hi-Tech Control System Co., Ltd. (a company listed on the Shenzhen Stock Exchange, stock code: 002184.SZ). Mr. Meng is a member of the Chinese Writers Association. He also concurrently acts as an economic consultant for several provincial and municipal governments in China, a strategic consultant for dozens of large enterprises, and a professor of the EMBA programs in several renowned universities. Mr. Meng is also a visiting scholar at Duke University in the United States and Copenhagen Business School in Denmark. Mr. Meng is mainly engaged in the research of corporate economics and regional economics, and has published more than 20 works such as the Enterprise Strategic Management (《企業戰略管理》), and presided over a number of scientific research projects such as the Research on the Coordinated Development of China’s Economy and Society (《中國經濟與社會協調發展研究》). While carrying out academic research, he actively participates in corporate economic consulting, and has presided over projects such as development strategy research and innovative system planning of nearly 100 large enterprise groups. He has delivered lectures and training sessions for hundreds of central state-owned enterprises, large state-owned enterprises, and private enterprises. Mr. Meng has received a number of national-level honors, including the Chinese Doctoral Degree Recipient with Outstanding Contributions (1991), the National-level Young and Middle-aged Expert with Outstanding Contributions (1992), the Recipient of the State Council Allowance (1993), and the First Batch of Cross-Century Economics Talents of the Ministry of Education (1997).

Mr. Wen Xianjun (文献軍), aged 63, was appointed as an independent non-executive Director on 5 March 2021. He has been a member of the audit committee and remuneration committee of the Board since 16 May 2023. He graduated from Central South University (中南大學, formerly known as Central South Institute of Mining and Metallurgy (中南礦冶學院)) with a bachelor of engineering degree majoring in metallic materials in July 1984, and also graduated from Beijing Non-Ferrous Research Institute (北京有色金屬研究總院) with a master of engineering degree majoring in metallic materials in June 1990. He successively served as an associate engineer of Beijing Non-Ferrous Research Institute from August 1984 to August 1987, an engineer of the technology department of China National Non-ferrous Metals Industry Corporation (中國有色金屬工業總公司) from July 1990 to June 1992, a deputy director and a senior engineer of Development and Exchange Centre of China Nonferrous Metals Industry Technology (中國有色金屬技術開發交流中心) from September 1992 to January 1996, a deputy director of the investment and operations department and a senior engineer of China National Non-ferrous Metals Industry Corporation (中國有色金屬工業總公司) from February 1996 to April 1998, the deputy head, a director-level consultant and a senior engineer of Industry Administration Department

of the State Nonferrous Metals Industry Administration of China (國家有色金屬工業局行業管理司) from May 1998 to December 2000, as well as the director of CPC Central Enterprise Working Committee (中央企業工委) from January 2001 to March 2001. He successively served as the deputy head of industry coordination department, the head of the aluminum department, the vice chairman and a professor level senior engineer of China Nonferrous Metals Industry Association (中國有色金屬工業協會) from April 2001 to April 2021 and also served as the chairman of China Nonferrous Metals Processing Industry Association (中國有色金屬加工工業協會) from October 2010 to October 2017. Mr. Wen has also served as an independent director in various listed companies. He served as an independent director of Henan Zhongfu Industrial Co., Ltd. (河南中孚實業股份有限公司) (“Zhongfu Industrial”) (a company listed on the Shanghai Stock Exchange (stock code: 600595.SH)) from October 2009 to November 2014, an independent director of Ningxia Orient Tantalum Industry Co., Ltd. (寧夏東方鉭業股份有限公司) (a company listed on the Shenzhen Stock Exchange, stock code: 000962.SZ) from March 2011 to October 2014, an independent director of Zhejiang Dongliang New Material Co., Ltd. (浙江棟樑新材股份有限公司) (currently known as Wanbangde Pharmaceutical Holding Group Co., Ltd. (萬邦德醫藥控股集團股份有限公司), a company listed on the Shenzhen Stock Exchange, stock code: 002082.SZ) from May 2011 to September 2013, an independent director of Jiaozuo Wanfang Aluminum Manufacturing Co., Ltd. (焦作萬方鋁業股份有限公司) (a company listed on the Shenzhen Stock Exchange, stock code: 000612.SZ) from July 2013 to October 2014, an independent director of Suzhou Lopsking Aluminium Co., Ltd. (蘇州羅普斯金鋁業股份有限公司) (currently known as ZYF Lopsking Material Technology Co., Ltd. (中億豐羅普斯金材料科技股份有限公司), a company listed on the Shenzhen Stock Exchange, stock code: 002333.SZ) from October 2013 to October 2014 as well as an independent non-executive director of China Zhongwang Holdings Limited (中國忠旺控股有限公司) (a company formerly listed on the Stock Exchange,stock code before delisting: 01333.HK) from July 2008 to July 2021. He has served as an independent director of Henan Shenhuo Coal & Power Co., Ltd. (河南神火煤電股份有限公司) (a company listed on the Shenzhen Stock Exchange, stock code: 000933.SZ) since May 2020, an independent non-executive director of Xingfa Aluminium Holdings Limited (興發鋁業控股有限公司) (a company listed on the Stock Exchange, stock code: 00098.HK) since August 2021, an independent director of Zhejiang Hailiang Co., Ltd. (浙江海亮股份有限公司) (a company listed on the Shenzhen Stock Exchange,stock code: 002203.SZ) since September 2021, an independent director of Zhongfu Industrial (a company listed on the Shanghai Stock Exchange, stock code: 600595.SH) since November 2021 and an independent non-executive director of Nanshan Aluminium International Holdings Limited (a company listed on the Stock Exchange, stock code: 2610.HK) since March 2025.

Ms. Fu Yulin (傅郁林), aged 60, was appointed as an independent non-executive Directorand a member of the nomination committee of the Board on 16 May 2023. She graduated from Wuhan University (武漢大學) in June 1987 with a bachelor of laws degree, majoring in international laws. She also obtained a master of laws degree from Peking University (北京大學) in July 1998, majoring in civil laws and the degree of doctor of laws from the Renmin University of China (中國人民大學) in July 2001, majoring in civil litigation laws. Ms. Fu has been the professor of Peking University since August 2013. From July 1987 to July 1998, she was engaged in judicial work and conducted research in applied laws in the Wuhan Maritime Court (武漢海事法院). From July 2001 to June 2003, she conducted academic research in the judicial system and civil litigation laws in the post-doctoral mobile work station (博士後流動工作站) of Peking University.Since June 2003, she has been teaching and conducting research in the field of civil litigation laws, laws of evidence,arbitration laws and the judicial system in the Peking University Law School.

Mr. Ma Jin (馬津), aged 47, graduated from the Department of Accounting of Tianjin University of Finance and Economics with a bachelor’s degree in economics in June 2002. He holds the qualifications of a Fellow of the Chartered Certified Accountant (FCCA) in the United Kingdom and a Fellow of the Chartered Professional Accountant (FCPA Canada) in Canada. From June 2002 to July 2003, Mr. Ma worked as a consultant in the tax and business consultation department of the Tianjin branch of Deloitte Touche Tohmatsu Certified Public Accountants LLP. From July 2003 to September 2006, he worked as a senior auditor in the corporate risk and internal audit services department of KPMG Huazhen LLP. From September 2006 to July 2008, Mr. Ma worked at Dezan Shira & Associates Limited as a senior manager of the audit and business advisory services department. Since July 2008, Mr. Ma has been serving as a co-founder and senior partner of Brook & Partners Management Consulting Limited and is mainly responsible for related services such as financial advisory, internal control and risk management for large state-owned enterprises, central state-owned enterprises and listed companies. Mr. Ma has been an independent director and the chairman of the audit committee of HUHUTECH International Group Inc. (a company listed on the NASDAQ, stock code: HUHU) since October 2024.