Sumitomo Metal Mining Co., Ltd. announced the change of members of the independent committee. Mr. Tsutomu Ushijima retired from outside director after the company's 93rd ordinary general meeting of shareholders convened on June 26, 2018, the company appointed Taeko Ishii as new member of the independent committee, at the board of directors meeting held after the general meeting of shareholders. As of June 2018 he was Lawyer of Ohta & Ishii Law Firm, Outside Director of the Company, Outside Audit & Supervisory Board Member of Furusato Service Co., Ltd., Outside Audit & Supervisory Board Member of NEC Corporation and Outside Audit & Supervisory Board Member of DTS CORPORATION. Date of Assumption is June 26, 2018.