The board of directors of Aluminum Corporation of China Limited announced that Mr. Ge Xiaolei proposed to resign as the secretary to the Board of the Company due to work requirements, with effect from the date of this announcement. After his resignation, Mr. Ge Xiaolei will continue to serve as the company secretary of the Company. Mr. Ge Xiaolei has confirmed that he has no disagreement with the Board and there are no matters relating to his resignation that need to be brought to the attention of the shareholders of the Company.

The resignation of Mr. Ge Xiaolei will not have any adverse impact on the normal operation of the Company. During his tenure as the secretary to the Board of the Company, Mr. Ge Xiaolei has performed his duties diligently and conscientiously, and played an active role in enhancing corporate governance, promoting standardized operations, and achieving high-quality development. The fourth meeting of the ninth session of the Board of the Company held on 27 August 2025 approved the appointment of Ms. Zhu Dan as the secretary to the Board of the Company, with effect from the date of this announcement.

Ms. Zhu Dan, aged 47, is currently the chief financial officer and was appointed as the secretary to the Board of the Company on 27 August 2025. Ms. Zhu Dan graduated from the University of International Business and Economics with a bachelor's degree in International Economics and Trade. She has over 20 years of professional experience in financial management and capital operations.

Ms. Zhu has held various positions within the Company's Finance Department, including the Capital Management Division, Capital Operations Division, and Budget Analysis Division. She has successively served as the deputy manager of the Settlement Department and the deputy manager and manager of the Credit Investment Department of Chinalco Finance Company Limited (?Chinalco Finance Company?), the director of the General Affairs Division of the Finance Department of Aluminum Corporation of China, the manager of the Capital Management Division of the Finance Department of the Company, the deputy general manager of the Financial Equity Department and director of the Capital Management Centre of Aluminum Corporation of China, the Party secretary, deputy general manager and a supervisor of Chinalco Finance Company, as well as the chairwoman of the supervisory committee of Chinalco Overseas Development Co. Ltd., a director of Beijing National Aluminum Investment Management Co.

Ltd., a supervisor of Chinalco Tendering Company Limited, a member of the Investment Decision-making Committee of Beijing Silver Aluminum Rongfa Fund Partnership (Limited Partnership)), the Party secretary, general manager and director of Chinalco Finance Company, and the Party secretary and chairwoman of Chinalco Finance Company.