Published: October 9, 2025 |

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Hudbay Minerals has resumed operations at the Constancia Mine in Peru following a temporary shutdown due to local protests and illegal blockades.

The company said safety of all personnel is the top priority, and Hudbay suspended operations on September 22 as a precaution to ensure the safety of personnel and allow time for the authorities to address the illegal protests. Hudbay has recently restarted operations at Constancia with the mill now at full production levels.

During the temporary downtime, the team performed preventative maintenance at the mill and on certain mining equipment. The workforce is expected to return to normal levels over the coming days, and the company continues to expect to meet its 2025 production and cost guidance ranges.

Social protests happen from time to time in Peru, and since the start of operations at Constancia in 2014, Hudbay has been focused on working with local stakeholders to ensure successful and sustainable long-term operations. Hudbay actively maintains strong relationships with the communities near Constancia and ensures continuous constructive dialogue. The company is committed to being a safe and responsible operator and a significant long-term contributor to the prosperity of the local and regional communities.

Despite the local protest and illegal blockade late in the quarter, the company has replenished supplies and reduced site concentrate inventory levels. With the regional social unrest impacting transportation routes earlier in the third quarter and ocean swells impacting port shipments in late September, a 20,000 dry metric tonne copper concentrate shipment was deferred from late September to early October, reducing sales volumes in the third quarter. This shipment was subsequently sold early in the fourth quarter and total concentrate inventory levels have normalized.

Hudbay is a copper-focused mining company with three long-life operations and a world-class pipeline of copper growth projects in tier-one mining-friendly jurisdictions of Canada, Peru, and the United States. Hudbay’s operating portfolio includes the Constancia mine in Cusco (Peru), the Snow Lake operations in Manitoba (Canada) and, upon completion of the arrangement with Copper Mountain Mining Corp., the Copper Mountain mine in British Columbia (Canada). Copper is the primary metal produced by the company, which is complemented by meaningful gold production. Hudbay’s growth pipeline includes the Copper World project in Arizona, the Mason project in Nevada (United States), the Llaguen project in La Libertad (Peru), and several expansion and exploration opportunities near its existing operations.

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