Mitsui Mining & Smelting Co., Ltd. reported earnings results for the fiscal year ended March 2021. For the fiscal year ended March 2021, sales amounted to JPY 52.9 billion, operating income was JPY 51.1 billion, and net income attributable to owners of the parent was JPY 44.8 billion. Compared to the previous fiscal year, sales increased by JPY 49.8 billion, operating income of JPY 38.1 billion, and net income attributable to the parent company of JPY 43.2 billion.