Mr. Duan Lei, aged 42, was born in March 1982, graduated from Shandong University of Science and Technology* (山东科技大学) with a bachelor’s degree in mining engineering, and holds the title of senior engineer. He currently serves as an executive Director and executive president of the Company (the “Executive President”). Mr. Duan successively worked at Dahe Gold Mine of Zhaoyuan City* (招远市大河金矿), Canzhuang Gold Mine* (蚕庄金矿) of the Group, Ruoqiang County Changyun Sanfengshan Gold Mine Co., Ltd.* (若羌县昌运三峰山金矿有限责任公 司), Party affair department of the Company, Zhaojin Geology Exploration and Dayinggezhuang Gold Mine* (大尹 格庄金矿) of the Group, and successively serve as section chief, deputy department manager (with remuneration as manager), deputy general manager (in charge of work) and mine manager. Mr. Duan won the second and third prizes of Science and Technology Award from China Gold Association, the Outstanding Leader of TnPM Equipment Management, the National Skillful Worker of Machinery, Metallurgy and Building Materials Industry and other awards. Mr. Duan has served as an executive Director and Executive President of the Company since March 2023.

Mr. Wang Ligang, aged 52, was born in July 1972. He graduated from Shandong Economic University* (山东经济学院) majoring in labour economy management and obtained an EMBA degree from Tsinghua University* (清华大学) and a Master of Engineering. He has the qualification of Senior Gold Investment Analyst and is an affiliated person to The Hong Kong Chartered Governance Institute (formerly known as The Hong Kong Institute of Chartered Secretaries). He is currently an executive Director, a vice president and the secretary to the Board of the Company. Currently, Mr. Wang is the director of Sparky International Company Limited (斯派柯国际有限公司) and other positions. Mr. Wang has served in various managerial positions for Zhaoyuan Beijie Gold Mine* (招远市北截金矿) and Zhaojin Group. Since 2004, he has served as a director of the general manager’s office and director of the Board office of the Company, assistant to Board secretary of the Company and general manager of Sparky International Company Limited. Mr. Wang has been the secretary to the Board since December 2007, has served as the vice president of the Company since February 2013 and has served as an executive Director of the Company since March 2018.

Mr. Chen Lunan, aged 47, born in November 1977, graduated from Huainan Mining College* (淮南矿业学院) in 1999, majoring in mineral processing engineering, and is a senior engineer. He is an executive Director and vice-president of the Company. Mr. Chen has served as team leader, chief foreman and section chief of Zijinshan Gold Mine* (紫金山金矿), section chief of payroll section and training section of human resources department of Zijin Mining, office manager, assistant to general manager and deputy general manager of Guizhou Zijin Mining Co., Ltd.* (贵州紫金矿业股份有限公司), director of Beijing office of Zijin Mining, deputy general manager of Zijin International Mining Co., Ltd.* (紫金国际矿业有限公司), chairman of the board of directors and general manager of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司), deputy general manager of Malipo Zijin Tungsten Group Co., Ltd.* (麻栗坡紫金钨业集团有限公司) and chief of Nanwenhe Tungsten Mine* (南温河钨矿), deputy chief of Zijinshan Gold and Copper Mine* (紫金山金铜矿), deputy county mayor of Luoning County People’s Government, Luoyang City* (洛阳市洛宁县人民政府) (temporary post), the deputy general manager of the mining division of Zijin Mining, and chairman of the board of directors of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司) and other positions. Mr. Long has been an executive Director of the Company since November 2022.

Mr. Long Yi, aged 48, born in October 1976, graduated from Northeastern University* (东北大学) in 1999, majoring in mining engineering, and obtained his doctoral degree from Northeastern University in 2022, and is a senior engineer. He currently serves as a non-executive Director and vice chairman of the Company. Mr. long also currently serves as the vice-president of Zijin Mining. From July 1999 to December 2019, Mr. Long successively served as a technician in the mining plant and a construction manager in the Phase IV technical improvement underground engineering department of Zijinshan Gold Mine* (紫金山金矿), deputy director of the office of the construction command and deputy director of the underground engineering department of Zijinshan Copper Mine* (紫金山铜矿), assistant to the general manager of Xinjiang Jinbao Mining Co., Ltd.* (新疆金宝矿业有限公司), deputy general manager of Fuyun Jinshan Mining Co., Ltd.* (富蕴金山矿冶有限公司), deputy general manager and general manager of Xinjiang Jinbao Mining Co., Ltd.* (新疆金宝矿业有限公司), general manager of Xinjiang Ashele Copper Co., Ltd.* (新疆阿舍勒铜业股份有限公司), assistant to president of Zijin Mining and chief of the Zijinshan Gold and Copper Mine* (紫金山金铜矿), chief safety officer of Zijin Mining, general manager of La Compagnie Minière de Musonoie Global Société par Actions Simplifiée, general manager of the overseas business department of Zijin Mining, general manager of Serbia Zijin Bor Copper doo Bor and other positions. Mr. Long has been a non-executive Director of the Company since November 2022.

Mr. Li Guanghui, aged 52, born in January 1972, graduated from Hebei Coal Construction Engineering College* (河北煤炭建筑工程学院) majoring in mining engineering and obtained a master’s degree in business administration from the University of International Business and Economics* (对外经济贸易大学), and is a senior engineer. He currently serves as a non-executive Director of the Company, the deputy general manager of Zhaojin Group and the chairman of Zhaojin Non-Ferrous Mining Company Limited* (招金有色矿业有限公司) (“Zhaojin Non-Ferrous”). Mr. Li successively served as a member of the production technology section of Zhaoyuan Luoshan Gold Mine* (招远市罗山金矿), the deputy manager of the marketing department of Zhaojin Group, the deputy general manager of Shandong Anshenghua Jewelry Co., Ltd.* (山东安盛华珠宝首饰有限公司), the deputy general manager of Shandong Zhaojin Gold and Silver Refinery Company Limited* (山东招金金银精炼有限公司), the deputy general manager of Yongxing Zhaojin Precious Metal Processing Manufacturing Co., Ltd.* (永兴招金贵金属加工制造有限公司), the executive deputy general manager and general manager of Shandong Zhaojin Yinlou Jewelry Co., Ltd.* (山东招金银楼珠宝有限公司), the director of Canzhuang Gold Mine* (蚕庄金矿) of the Company, the assistant general manager and director of investment and development of Zhaojin Group, and the chairman and general manager of Zhaojin Non-Ferrous. Mr. Li has won the second prize of Science and Technology Award from China Gold Association* (中国黄金协会) and the third prize of Innovation and Progress Award for outstanding employees in Shandong Province and other honorary awards. Mr. Li has been a non-executive Director of the Company since January 2022.

Mr. Luan Wenjing, aged 50, born in April 1974, graduated from Harbin Institute of Technology (哈尔滨理工大学) with a bachelor’s degree in economics, and holds the titles of senior economist and senior political engineer. He is a non-executive Director of the Company, and a member of the party committee, a director and deputy general manager of Zhaojin Group. Mr. Luan used to work in Zhaoyuan Golden Sanatorium* (招远市黄金疗养院) and Zhaojin Group. He also successively served as the director of office of the Party Committee, secretary of the youth league committee, editor-in-chief of Zhaoyuan Gold News* (招远黄金报), secretary to the board of directors, director of the office of letters and calls, assistant to the chairman of the board of directors and other positions of Zhaojin Group. Mr. Luan has been awarded various honorary titles including Outstanding Cadre of Ideological and Political Work for Staff in Shandong Province* (山东省职工思想政治工作优秀干部), Advanced Individual of Shandong Entrepreneur Association* (山东省企业家协会先进个人) and Yantai Outstanding Young Worker* (烟台市青年岗位能手). Mr. Luan has been a non-executive Director of the Company since November 2022.

Ms. Chen Jinrong, aged 65, was born in October 1959. She graduated from Renmin University of China* (中国人民大学) and is an associate professor. She is a qualified accountant in China and a qualified independent director. She is an independent non-executive Director of the Company, and a lecturer at the School of Economics and Management of Tsinghua University* (清华大学) and Beijing Union University* (北京联合大学), director of risk control of Shandong Institute of Industrial Technology* (山东产业技术研究院) and executive president of Chanyan Bozheng School of Management* (产研博正管理学院). Ms. Chen is also an independent non-executive director of companies listed on the Shanghai Stock Exchange, Geovis Technology Co., Ltd. (中科星图股份有限公司) (stock code: 688568), and BOCO Inter-Telecom Company Limited (亿阳信通股份有限公司) (stock code: 600289). Ms. Chen mainly focuses on researching into, teaching of and counseling on corporate financial management, analysis of financial report for listed companies and operations of corporate capital, corporate organization and risk control, comprehensive corporate budget management etc. She has solid experience in aspects such as corporate restructuring, comprehensive corporate budget management, capital operations and corporate internal control. Ms. Chen has served as the deputy head of the finance department of China Information Industry Research Institute* (信息产业部中国信息产业研究院) under the Ministry of Information Industry, the deputy general manager of Beijing Hua Tsing Cai Zhi Corporate Management Counseling Company (北京华清财智企业管理顾问公司), etc. Ms. Chen was awarded Outstanding Young Teacher in Beijing City and Outstanding Teacher by the Economic Committee of Beijing Municipal Government. Ms. Chen has been an independent non-executive Director of the Company since April 2007.

Mr. Choy Sze Chung Jojo, aged 65, was born in April 1959. He obtained his Master of Business Administration Degree from the University of Wales, United Kingdom, his Master of Business Law Degree from Monash University, Australia, his Honorary Doctorate of Management from Lincoln University and was awarded fellow of the Canadian Institute of Chartered Management. He is an independent non-executive Director of the Company, and also the vice chairman of National Resources Securities Limited* (中潤證券有限公司). Mr. Choy is also an independent non-executive director of companies listed on the Main Board of the Stock Exchange namely Luye Pharma Group Ltd.* (stock code: 2186) (綠葉製藥集團有限公司). Mr. Choy is also the permanent honorary president of The Institute of Securities Dealers Limited, a fellow member of The Hong Kong Institute of Directors, a fellow member of Institute of Financial Accountants in the United Kingdom, a fellow member of Institute of Public Accountants in Australia, a fellow member of the Institute of Compliance Officers, a member of the fourth session, the fifth session and the sixth session of the Chief Executive Election Committee of Hong Kong Special Administrative Region, a member of the Election Committee of the 12th, 13th and 14th National People’s Congress of Hong Kong Special Administrative Region, and an honorary principal of Chen Po Sum School. Mr. Choy has extensive experience in the securities industry and business management. Mr. Choy has been an independent non-executive Director of the Company since May 2007.

Mr. Wei Junhao, aged 63, was born in November 1961. He is a professor (postdoctoral) and doctoral supervisor. Mr. Wei is an independent non-executive Director of the Company, and also a professor of China University of Geosciences (Wuhan) Resources Institute* (中国地质大学（武汉）资源学院). Mr. Wei is also a board member of China Gold Association, supervision engineer of Central Geological Prospecting Fund, executive director of China Mineral Rights Appraisers Association, senior reserve appraiser of China Mineral Rights Appraisers Association, member of China Geological Society Overseas Resources Committee and member of China Geological Society Mine Geology Committee. Mr. Wei has also been an independent director of Pengxin International Mining Co., Ltd* (鹏欣环球资源股份有限公司), a company whose shares are listed on the Shanghai Stock Exchange (stock code: 600490) since 7 June 2021. Mr. Wei has engaged in metallogenic prediction and prospecting research for a long time with over 30 years of work experience in geological research and exploration practice. Mr. Wei puts forward “mineralization field theory”, which is very famous in domestic gold industry. Mr. Wei has hosted over 100 national level, provincial level and enterprise projects as project leader. By his effort, Liaoning Wulong Gold Mine* (辽宁五龙金矿) increased over 20 tonnes reserves in prospecting ore in resource exhausted mines during 1997-1999. Shanxi Tongguan Gold Mining Company* (陕西潼关黄金矿业公司) increased 17 tonnes reserves in geological research and prospecting study during 2004-2007. Shandong Yantai Xintai Gold Company* (山东烟台鑫泰黄金公司) increased 15 tonnes reserves in geological prospecting research project during 2006-2009. Qinghai Yushu copper, lead and zinc prospecting project obtained more than 1.2 million reserves. Made major breakthrough in the prospecting of lead and zinc deposits in Xiasai, Sichuan Province. Other prospecting projects also obtained obvious results. Many large-scale domestic professional newspaper such as “China Gold News”, “China Mining News”, and “China Metallurgical News” reported his prospecting results several times. Mr. Wei currently cultivates over 150 masters and doctoral students. Mr. Wei has been an independent non-executive Director of the Company since February 2016.

Mr. Shen Shifu, aged 58, was born in November 1966. He is a professorate senior engineer, a tutor of doctorate and master candidates. He mainly carries out the research of resources comprehensive utilization technology and mineral processing technology. Mr. Shen is an independent non-executive Director of the Company and a chief expert of Mineral Processing Research and Design Institute of BGRIMM Technology Group Co., Ltd.* (“BGRIMM Group”) (北京矿冶科技集团有限公司选矿研究设计所). Mr. Shen is also an independent non-executive director of Huaiji Dengyun Auto-parts (Holding) Co., Ltd.* (怀集登云汽配股份有限公司) (stock code: 002715), a company listed on Shenzhen Stock Exchange and China Graphite Group Limited* (中国石墨集团有限公司), a company whose shares are listed on the Stock Exchange (stock code: 2237). Mr. Shen once worked at Tsingtao Lubi Cement Co., Ltd. (Original Tsingtao Laoshan Cement Plant) as their director of laboratory, production department manager and manager assistant. Mr. Shen was hired as academic foregoer of China Inorganic Chemical Industry Society* (中国无机化工学会), professor committee member of China Non-metallic Mineral Industry Association Professional Committee of Graphite* (中国非金属矿工业协会石墨专业委员会) and professor committee member of China Non-ferrous Metals Society Technical Experts Working Committee* (中国有色金属学会技术专家工作委员会). As the main operator, Mr. Shen has presided over or participated in science technology support project of the Tenth Five-year Plan, the Eleventh Five-year Plan, the Twelfth Five-year Plan, the Thirteenth Five-year and the Fourteenth Five-year key research and development program national high and new technology industrialization projects, State 863 Project, State 973 Project, and major science and technology innovation projects of Shandong Province. Mr. Shen has undertaken more than 50 enterprise commissions (including the beneficiation of various kinds of minerals, the comprehensive utilization of tailings, mineral material and the harmless disposal of hazardous waste and comprehensive utilization of resources). Mr. Shen has been awarded four Ministerial First Prize of Technology Progress, six Institute First Prize of Technology Progress of BGRIMM Group, and more than 20 national patents. Mr. Shen has also been awarded “Top Ten Outstanding Youth” of Laoshan district, Qingdao, Pace-setters in the new Long March, and advanced individual of Mineral Processing Research and Design Institute of BGRIMM Group. Mr. Shen has been an independent non-executive Director of the Company since February 2016.

Mr. Leng Haixiang, aged 53, born in December 1971, graduated from Shandong Cadre Correspondence University* (山东干部函授大学), majoring in law with a bachelor’s degree. He is currently the chairman of the Supervisory Committee of the Company. Mr. Leng served successively in Zhaoyuan Foreign Economic and Technological Trade Company of Shandong Province* (山东省招远对外经济技术贸易公司), Personnel Bureau of Zhaoyuan City, Shandong Province* (山东省招远市人事局), and Personnel Dispute Arbitration Committee of Zhaoyuan City* (招远市人事争议仲裁委员会). He served as Deputy Secretary of the Party Committee and secretary of the Disciplinary Committee of Xiadian Town, Zhaoyuan City* (招远市夏甸镇), Deputy Secretary and Mayor of the Party Committee of Daqinjia Town, Zhaoyuan City* (招远市大秦家镇), Director and Secretary of the Working Committee of Daqinjia Street, Zhaoyuan City* (招远市大秦家街道), Secretary of the Party Committee of Canzhuang Town, Zhaoyuan City* (招远巿蚕庄镇), Deputy Director of the Organization Department of Zhaoyuan Municipal Party Committee* (招远市市委组织部), Secretary of the Party Group and Director of Zhaoyuan City Human Resources and Society Secretary Bureau* (招远市人力资源和社会保障局), member of the Party Group, Secretary and Director of the Party Group of the Government Office of Zhaoyuan Municipal Government* (招远市政府), etc. Mr. Leng won honorary titles such as Shandong Personnel Propaganda Advanced Individual* (山东人事宣传先进个人), Yantai Beautiful Countryside Construction and Rural Civilization Action Advanced Individual* (烟台市美丽乡村建设暨乡村文明行动工作先进个人). Mr. Leng has served as the Shareholder representative Supervisor of the Company and the chairman of the supervisory committee of the Company (the “Supervisory Committee”) since September 2022.

Mr. Hu Jin, aged 48, born in May 1976, graduated from Fuzhou University* (福州大学) in 1999 majoring in economic laws and from Luoyang Foreign Trade College* (洛阳外贸学院) in 2008 majoring in law. He is currently a Supervisor of the Company. From July 1999 to November 2022, Mr. Hu successively served as a staff and assistant to general manager of Xiamen Yongyuzhen Trading Co., Ltd.* (厦门永宇臻贸易有限公司), chief foreman of the environmental protection section, dispatcher of the general dispatch office, head of the audit team of the supervision and audit department and deputy section chief of the supervision section of Zijinshan Gold and Copper Mine* (紫金山金铜矿), head of supervision and audit office and deputy general manager of Shandong Jintai Gold Co., Ltd.* (山东金泰黄金有限公司), head of supervision and audit office, chief dispatcher and supervisor of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司), deputy general manager of Shandong Guoda Gold Co., Ltd.* (山东国大黄金股份有限公司) and other positions. Mr. Hu has served as the Shareholder representative Supervisor of the Company since November2022.

Ms. Zhao Hua, aged 47, was born in January 1977. She is an international accountant, senior international financial manager and political engineer, graduated from Shandong Youth Management Cadre Institute* (山东省青年管理干部学院) with a major in accounting. Ms. Zhao is an employee Supervisor of the Company and deputy secretary of Party Committee and the chairman of the labour union of Canzhuang Gold Mine* (蚕庄金矿) of the Company. She has been the section chief of finance section and deputy manager of Canzhuang Gold Mine* (蚕庄金矿) of the Company, etc. Ms. Zhao has more than 10 years of experience in financial affairs. Ms. Zhao has been an employee Supervisor of the Company since February 2016.

Mr. Duan Lei, aged 42, was born in March 1982, graduated from Shandong University of Science and Technology* (山东科技大学) with a bachelor’s degree in mining engineering, and holds the title of senior engineer. He currently serves as an executive Director and executive president of the Company (the “Executive President”). Mr. Duan successively worked at Dahe Gold Mine of Zhaoyuan City* (招远市大河金矿), Canzhuang Gold Mine* (蚕庄金矿) of the Group, Ruoqiang County Changyun Sanfengshan Gold Mine Co., Ltd.* (若羌县昌运三峰山金矿有限责任公 司), Party affair department of the Company, Zhaojin Geology Exploration and Dayinggezhuang Gold Mine* (大尹 格庄金矿) of the Group, and successively serve as section chief, deputy department manager (with remuneration as manager), deputy general manager (in charge of work) and mine manager. Mr. Duan won the second and third prizes of Science and Technology Award from China Gold Association, the Outstanding Leader of TnPM Equipment Management, the National Skillful Worker of Machinery, Metallurgy and Building Materials Industry and other awards. Mr. Duan has served as an executive Director and Executive President of the Company since March 2023.

Mr. Wang Ligang, aged 52, was born in July 1972. He graduated from Shandong Economic University* (山东经济学院) majoring in labour economy management and obtained an EMBA degree from Tsinghua University* (清华大学) and a Master of Engineering. He has the qualification of Senior Gold Investment Analyst and is an affiliated person to The Hong Kong Chartered Governance Institute (formerly known as The Hong Kong Institute of Chartered Secretaries). He is currently an executive Director, a vice president and the secretary to the Board of the Company. Currently, Mr. Wang is the director of Sparky International Company Limited (斯派柯国际有限公司) and other positions. Mr. Wang has served in various managerial positions for Zhaoyuan Beijie Gold Mine* (招远市北截金矿) and Zhaojin Group. Since 2004, he has served as a director of the general manager’s office and director of the Board office of the Company, assistant to Board secretary of the Company and general manager of Sparky International Company Limited. Mr. Wang has been the secretary to the Board since December 2007, has served as the vice president of the Company since February 2013 and has served as an executive Director of the Company since March 2018.

Mr. Chen Lunan, aged 47, born in November 1977, graduated from Huainan Mining College* (淮南矿业学院) in 1999, majoring in mineral processing engineering, and is a senior engineer. He is an executive Director and vice-president of the Company. Mr. Chen has served as team leader, chief foreman and section chief of Zijinshan Gold Mine* (紫金山金矿), section chief of payroll section and training section of human resources department of Zijin Mining, office manager, assistant to general manager and deputy general manager of Guizhou Zijin Mining Co., Ltd.* (贵州紫金矿业股份有限公司), director of Beijing office of Zijin Mining, deputy general manager of Zijin International Mining Co., Ltd.* (紫金国际矿业有限公司), chairman of the board of directors and general manager of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司), deputy general manager of Malipo Zijin Tungsten Group Co., Ltd.* (麻栗坡紫金钨业集团有限公司) and chief of Nanwenhe Tungsten Mine* (南温河钨矿), deputy chief of Zijinshan Gold and Copper Mine* (紫金山金铜矿), deputy county mayor of Luoning County People’s Government, Luoyang City* (洛阳市洛宁县人民政府) (temporary post), the deputy general manager of the mining division of Zijin Mining, and chairman of the board of directors of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司) and other positions. Mr. Long has been an executive Director of the Company since November 2022.

Ms. Wang Wanhong, aged 52, was born in October 1972. She graduated from the University of International Business and Economics* (对外经济贸易大学) with a bachelor’s degree in economics and management, and is a senior economist, senior finance manager and senior human resource management professional. Ms. Wang is the vice president, and the secretary of disciplinary committee of the Company. Ms. Wang has served as the deputy manager of capital operation department, the deputy manager of the finance department, the manager of the human resource department, the director of inspectors office and the human resource director of Zhaojin Group. She has served as the deputy secretary of the disciplinary committee of the Company since August 2015 and the head of the supervisory office of the disciplinary committee of the Company since February 2017. Ms. Wang has been the vice president of the Company with effect from March 2018 and the secretary of the disciplinary committee of the Company with effect from January 2019.

Mr. Wang Chunguang, aged 54, was born in September 1970. He graduated from the Shandong University of Technology* (山东理工大学) with a bachelor’s degree in mining, and is a senior engineer. Mr. Wang is the vice president and technical director of the Company. Mr. Wang has served as the deputy director of Xiadian Gold Mine* (夏甸金矿) of the Company, the general manager of Hebei Fengning Jinlong Gold Industry Co., Ltd. (河北丰宁金龙黄金工业有限公司) and the general manager of Gansu Hezuo Zaozigou Mining Industry Company Limited (甘肃省合作早子沟金矿有限责任公司). Since February 2017, Mr. Wang served as the assistant to the president and the head of safety of the Company, and he has been the vice president of the Company with effect from March 2018.

Mr. Tang Lei, aged 51, born in May 1973. He graduated from Gold Institute of Northeastern University* (东北大学黄金学院) majoring in geology and mineral exploration and obtained a master’s degree in geochemistry from Guilin University of Technology* (桂林工学院) and is a senior engineer. Mr. Tang is the vice president of the Company. Mr. Tang has served as the head of the middle section of the Laizhou Wangershan Gold Mine* (莱州望儿山金矿) production division, the geological technician of geological prospecting department of the Company, the manager of investment and development department and geological prospecting department of the Company, the deputy general manager and deputy general manager (in charge of work) of Qinghe County Jindu Mining Development Co., Ltd.* (青河县金都矿业开发有限公司), and Fuyun Zhaojin Mining Co., Ltd.* (富蕴招金矿业有限公司), and the deputy director of resources of the Company, etc. He has won seven provincial and ministerial awards, one national invention patent and five national utility model patents, published two monographs and published 19 scientific papers in core journals at home and abroad. Mr. Tang has served as the vice president of the Company since January 2022.

Mr. Yin Jiwen, aged 45, was born in August 1979, graduated from the China University of Geosciences (Wuhan)* (中国地质大学（武汉）) majoring in accounting, and he has obtained qualifications of accountant, economist and certified safety engineer. He is currently the chief financial officer of the Company. From July 2003 to October 2022, Mr. Yin successively served as an accountant of finance department and assistant accountant of copper mine construction headquarters of Zijinshan Gold and Copper Mine* (紫金山金铜矿), head of finance and chief financial officer of Qinghai West Copper Co., Ltd.* (青海威斯特铜业有限责任公司), chief financial officer of Zijin International Mining Co., Ltd.* (紫金国际矿业有限公司), chief financial officer of Zijin Mining Group Southwest Co. Ltd.* (紫金矿业集团西南有限公司), chairman of the board of supervisors of Zijin International Mining Co., Ltd.* (紫金国际矿业有限公司), general manager of Shanxi Zijin Mining Co., Ltd.* (山西紫金矿业有限公司), general manager of Luoning Huatai Mining Development Co., Ltd.* (洛宁华泰矿业开发有限公司), manager of Beijing Materials Branch of Zijin International Mining Co., Ltd.* (紫金国际矿业有限公司北京物资分公司), the chief financial officer of Zhongse Zijin Geological Exploration (Beijing) Co., Ltd.* (中色紫金地质勘查（北京）有限责任公司) and other positions. Mr. Yin has served as the chief financial officer of the Company since November 2022.