On 24 July 2020, the supervisory committee of Metallurgical Corporation of China Ltd. received the written resignation tendered by Mr. Cao Xiuyun the chairman of the Supervisory Committee of the Company. Mr. Cao resigned from his positions as a supervisor and the chairman of the Supervisory Committee of the Company due to the adjustment of work arrangement. Mr. Cao will, prior to the assumption of office by a replacement supervisor, continue to perform his duties as a supervisor and the chairman of the Supervisory Committee. The board of directors of the Company considered and approved the proposal in relation to the nomination of Mr. Yin Sisong as a supervisor of the third session of the Supervisory Committee of the Company by China Metallurgical Group Corporation the controlling shareholder of the Company, at the meeting of the third session of the Board convened on 27 July 2020.