The board of directors of Jiangxi Copper Company Limited hereby announced that, the company convened the 5th meeting of the 10 session of the Board on 6 December 2024, considered and approved the "Resolution of Jiangxi Copper Company Limited on the Cessation of Mr. Tu Dongyang to Serve as the Secretary to the Board of the Company" and the "Resolution of Jiangxi Copper Company Limited on the Appointment of Mr. Liao Xingeng as the Secretary to the Board of the Company", details of which are as follows: Due to changes in work arrangements, Mr. Tu Dongyang ("Mr. Tu") ceased to serve the position as the joint company secretary of the Company (the "Joint Company Secretary"), with effect from 6 December 2024. Mr. Tu will continue to serve as the deputy general manager of the Company. In view of Mr. Tu's cessation to serve the position as the Joint Company Secretary, after the nomination committee of the 10th session of the Board has considered, approved and submitted to the 5th meeting of the 10th session of the Board for consideration, the Board has agreed to appoint Mr. Liao Xingeng ("Mr. Liao") as the Joint Company Secretary, with effect from 6 December 2024.

Mr. Tung Tat Chiu, Michael ("Mr. Tung"), the existing Joint Company Secretary, will continue to serve as the other Joint Company Secretary. Mr. Liao, aged 58, graduated from the Metallurgy Department of Jiangxi University of Science and Technology (formerly known as Southern Institute of Metallurgy) with a bachelor's degree in non-ferrous metallurgy, obtained a master's degree in business administration from Nanchang University, and is a senior engineer. Mr. Liao joined the Company in July 2018, and has since then served as a member of the party committee and the deputy general manager of the Company.

He is mainly in charge of the human resources department and the operation improvement department of the Company. Mr. Liao's responsibilities in the human resources department of the Company consist of human resources management, organisation of performance appraisal and environmental, social and governance, where focus is placed on fair and legal employment, employee care and employee training system. In the operation improvement department of the Company, Mr. Liao is mainly involved in the optimisation and improvement of the corporate governance structure and governance levels, innovation management, information technology construction and multi-enterprise management.

Prior to joining the Company, Mr. Liao served as the chairman of Jiangxi Rare Earth Metals Tungsten Industry Group Import and Export Co. Ltd., the assistant to the general manager and deputy general manager of Jiangxi Rare Metal Tungsten Industry Holding Group Co. Ltd. and the deputy general manager of Jiangxi Tungsten Industry Holding Group Co.

Ltd. Mr. Tung, aged 62, is a practising solicitor in Hong Kong, a China-Appointed Attesting Officer and a senior partner of Tung & Co. Solicitors. With the bachelor's degrees in law and accounting from the University of Manchester, the United Kingdom, Mr. Tung has over 30 years of experience as a practising solicitor in Hong Kong, and currently serves as a company secretary of a number of listed companies in Hong Kong.