News

Our production plan for the 2nd half of the fiscal year ending March 31, 2023 is as follows.

Period	October 2022 to March 2023
Refined Copper	26,772 metric ton per month
Refined Lead	2,359 metric ton per month
Refined Gold	3,017 kg per month
Refined Silver	29,500 kg per month

(Reference)

	April 2022 to September 2022 (previous 6 months plans)	October 2021 to March 2022 (year-on-year)
Refined Copper	30,142 metric ton per month	29,437 metric ton per month
Refined Lead	2,364 metric ton per month	2,376 metric ton per month
Refined Gold	3,133 kg per month	3,110 kg per month
Refined Silver	30,000 kg per month	29,766 kg per month

Note on year-on-year comparison

• Total refined copper production will decrease approximately 9% year-on-year. Production will decrease approximately 17% at Naoshima Smelter & Refinery due to maintenance shutdown in the 2^nd half of the fiscal year ending March 31, 2023. Production will increase approximately 7% at Onahama Smelter and Refinery.
• Refined lead, gold and silver production is almost same as the previous same period.

<Contact details for inquiries>
Corporate Communications Dept. Management Strategy Div.,
Strategic Headquarters:+81-3-5252-5206