The board of directors of Jiangxi Copper Company Limited announced that, following Mr. Yu's Resignation, Mr. Yu has ceased to be an authorised representative of the Company for the purpose of Rule 3.05 of the Rules Governing
the Listing of Securities of The Stock Exchange of Hong Kong Limited. Mr. Zhou Shaobing, an executive Director, has been appointed as an Authorised Representative with effect from 26 April 2024. In order to ensure the normal production and operation of the Company, Mr. Zhou, the general manager of the Company, will temporarily assume the duties of the CFO until a new CFO is appointed.