• Sumitomo Metal Mining cut pretax profit guidance 19.8% to JPY 260 billion for the year ending March 31, 2027.
• Net income is forecast at JPY 161 billion, down 25.5%; sales are projected to rise 3.4% from previous guidance.
• The downgrade reflects a JPY 41.6 billion impairment loss tied to restoration obligations ahead of CBNC’s planned production shutdown.
• Higher operating-material costs linked to the Middle East situation remain estimated at JPY 20 billion; a stronger yen is also expected.
• Smelting and refining now faces a JPY 23 billion loss, versus previously projected profit of JPY 63 billion.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sumitomo Metal Mining Co. Ltd. published the original content used to generate this news brief on November 10, 2026, and is solely responsible for the information contained therein.