Mitsubishi Materials sees 18% drop in H2 copper output

By Reuters News

TOKYO, Oct 1 (Reuters) - Japan's Mitsubishi Materials Corp 5711.T plans to produce 142,284 metric tons of refined copper in the second half of the 2026 fiscal year, it said on Thursday, down 18% from the same period a year earlier.


  • The country's second half falls between October and March.

  • The expected decline in copper output is due to maintenance at the company's Naoshima and Onahama refineries, it said.

  • Following are details of the company's output plan, with comparisons against planned production in the first half and actual production in the second half of the 2025 fiscal year, which ended on March 31. (in metric tons):


H2 FY2026

H1 FY2026

H2 FY2025

Copper

142,284

175,416

173,670

Lead

13,500

13,644

14,892

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