Announcement on the Appointment of Securities Affairs Representative

Northern Copper Industry Co., Ltd. (hereinafter referred to as "the Company") held the 10th meeting of the 10th Board of Directors on May 27, 2026, where it reviewed and approved the proposal on the appointment of a Securities Affairs Representative. The Company agreed to appoint Mr. Zhou Yujie (resume attached) as the Securities Affairs Representative to assist the Board Secretary in performing his duties, with a term starting from the date of this board meeting's approval until the end of the current board's tenure. Mr. Zhou possesses the professional knowledge and work experience necessary to fulfill the responsibilities of a listed company's Securities Affairs Representative, and his qualifications comply with the relevant laws and regulations, including the "Shenzhen Stock Exchange Stock Listing Rules" and the "Self-Regulatory Guidelines for Listed Companies No. 1 - Standard Operations for Main Board Listed Comp