Corporate Profile20Sumitomo Metal MiningBusiness SitesSMM KOREA Co., Ltd.Taiwan Sumiko Materials Co., Ltd.Nickel Asia Corporation(25.9%)Taganito HPAL Nickel Corporation (75.0%)Northparkes (13.3%)● Consolidated subsidiaries ■ Equity-method affiliatesJapan Sumitomo Metal Mining Co., Ltd.Mineral Resources● Sumiko Resources Exploration & Development Co., Ltd.Smelting & Refining■ Acids Co., Ltd.■ MS Zinc Co., Ltd.● Shisaka Smelting Co., Ltd.● Sumiko Logistics Co., Ltd.● Hyuga Smelting Co., Ltd.■ Mitsui Sumitomo Metal Mining Brass & Copper Co., Ltd.Materials● SMM Precision Co., Ltd.■ N.E. Chemcat Corporation● Ohkuchi Electronics Co., Ltd.● GRANOPT CO., LTD.● Shinko Co., Ltd.● Sumiko Energy Materials Co., Ltd.● Sumiko Kunitomi Electronics Co., Ltd.● Sumico Lubricant Co., Ltd.● Niihama Electronics Co., Ltd.■ Nippon Ketjen Co., Ltd.Other● Igeta Heim Co., Ltd.● JCO Co., Ltd.● Sumiko Technical Service Co., Ltd.Sumitomo Metal Mining Management (Shanghai) Co., Ltd.Shanghai Sumiko Electronic Paste Co., Ltd. (69.0%)Jinglong Copper Co., Ltd. (27.1%)Dongguan Sumiko Electronic Paste Co., Ltd. (84.8%)SMM Vietnam Co.,Ltd.Coral Bay Nickel Corporation● Sumiko Techno-Research Co., Ltd.● Sumitomo Metal Mining Engineering Co., Ltd.● Japan Irradiation Service Co., Ltd.Asia Mineral Resources■ Cordillera Exploration Company Inc. (Philippines)Smelting & Refining■ Jinlong Copper Co., Ltd. (China)● Sumitomo Metal Mining Management (Shanghai) Co., Ltd. (China)● Sumitomo Metal Mining (Hong Kong) Co., Ltd. (China)● Coral Bay Nickel Corporation (Philippines)■ Nickel Asia Corporation (Philippines)● Taganito HPAL Nickel Corporation (Philippines)● Sumitomo Metal Mining Philippine Holdings Corporation (Philippines)Materials● Dongguan Sumiko Electronic Paste Co., Ltd. (China)● Shanghai Sumiko Electronic Paste Co., Ltd. (China)● Sumico Lubricant Trading (Shanghai) Co., Ltd. (China)● Granopt Optics Trading (Shenzhen) Co., Ltd. (China)● Shinko Trading (Zhong Shan) Co.,Ltd. (China)● Taiwan Sumiko Materials Co., Ltd. (Taiwan)● SMM Korea Co., Ltd. (South Korea)● SMM Vietnam Co., Ltd. (Vietnam)Figesbal (25.5%)North America Mineral Resources● SMMA Candelaria Inc. (U.S.A.)● SMM Exploration Corporation (U.S.A.)● Sumitomo Metal Mining America Inc. (U.S.A.)● Sumitomo Metal Mining Arizona Inc. (U.S.A.)● SMM Morenci Inc. (U.S.A.)● SMM Gold Cote Inc. (Canada)● Sumitomo Metal Mining Canada Ltd. (Canada)● SMM Resources Inc. (Canada)Other Regions Mineral Resources■ Compania Contractual Minera Candelaria (Chile)■ Compania Contractual Minera Ojos del Salado (Chile)● Sumitomo Metal Mining Chile LTDA. (Chile)● SMMQB Holding SpA (Chile)● SMM Quebrada Blanca SpA (Chile)■ Quebrada Blanca Holdings SpA (Chile)● Sumitomo Metal Mining Peru S.A. (Peru)■ Sociedad Minera Cerro Verde S.A.A. (Peru)● Sumitomo Metal Mining do Brasil LTDA. (Brazil)● Sumitomo Metal Mining Oceania Pty. Ltd. (Australia)● SMM Cerro Verde Netherlands B.V. (Netherlands)● SMMCV Holding B.V. (Netherlands)Smelting & Refining■ FIGESBAL SA (New Caledonia)The Sumitomo Metal Mining Group’s Business SitesMining Values around the World(As of April 1, 2025)SMM and its Group companies engage in the mineral resources, smelting and refining, and materials businesses in 14 countries and regions around the world.
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