Impact of Heavy Rainfall in the Republic of Chile
アルケロス鉱山株式会社 (a consolidated subsidiary of the Company) and the Nittetsu Mining Co.,Ltd. group
Arqueros Mine Development Project in Coquimbo Region, Republic of Chile; roads used to transport equipment and materials; and water pipeline facilities
Torrential rainfall in central and southern Chile
The impact on business performance is currently under investigation. If it is determined that the event will have a material impact on business performance, the Company will make a timely disclosure. The start of production may be delayed.
Company response
Roads used to transport equipment and materials have been closed, affecting the transportation of equipment, materials and personnel.
The Company will investigate the period required for disaster recovery and work toward an early restoration in cooperation with local authorities. The start of production at the Arqueros Mine may be delayed.
The Company will make a timely disclosure once the period required for disaster recovery becomes clear. It will also make a timely disclosure if it determines that the event will have a material impact on business performance.
| Item | Details |
|---|---|
| Event name | Impact of Heavy Rainfall in the Republic of Chile |
| Date of occurrence | Torrential rainfall occurring for several days since mid-July 2026 |
| Subject Entity | アルケロス鉱山株式会社 (a consolidated subsidiary of the Company) and the Nittetsu Mining Co.,Ltd. group |
| Target Locations / Products | Arqueros Mine Development Project in Coquimbo Region, Republic of Chile; roads used to transport equipment and materials; and water pipeline facilities |
| Cause | Torrential rainfall in central and southern Chile |
| Impact on Earnings Forecast | The impact on business performance is currently under investigation. If it is determined that the event will have a material impact on business performance, the Company will make a timely disclosure. The start of production may be delayed. |
| Suspended operations | Roads used to transport equipment and materials have been closed, affecting the transportation of equipment, materials and personnel. |
| Outlook | The Company will investigate the period required for disaster recovery and work toward an early restoration in cooperation with local authorities. The start of production at the Arqueros Mine may be delayed. |
| Planned follow-up disclosure | The Company will make a timely disclosure once the period required for disaster recovery becomes clear. It will also make a timely disclosure if it determines that the event will have a material impact on business performance. |
Items this document does not state (16)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Since mid-July, torrential rainfall in central and southern Chile has caused scouring of public roads, collapses of road walls, damage to bridges, closure of roads used to transport equipment and materials, and scouring of the foundations of water pipeline facilities.