Dalton Baretto

Orest Wowkodaw

Ralph Profiti

Lawson Winder

Matthew Murphy

Anita Soni

Bryce Adams

Fahad Tariq

Farooq Hamed

Pierre Vaillancourt

Shane Nagle

Stefan Ioannou

- **Hudbay Minerals Inc. has resumed operations at its Constancia mine in Peru** following a temporary shutdown that began on **September 22nd** due to local protests and illegal blockades.  **[1322422_0001062993-25-015964_exhibit99-1.htm:0]** 
- The mill at Constancia is now operating at **full production levels**.  **[1322422_0001062993-25-015964_exhibit99-1.htm:0]** 
- Despite the disruption, Hudbay **continues to expect to meet its 2025 production and cost guidance ranges**.  **[1322422_0001062993-25-015964_exhibit99-1.htm:0]** 
- A **20,000 dry metric tonne copper concentrate shipment** was deferred from late September to early October, impacting third-quarter sales volumes, but was subsequently sold early in the fourth quarter.  **[1322422_0001062993-25-015964_exhibit99-1.htm:0]**

Hudbay Resumes Operations at Constancia Mine in Peru

- Hudbay Minerals Inc. has **resumed operations at its Constancia mine in Peru** following a temporary shutdown caused by local protests and illegal blockades.  **[1322422_4c0cee0619e742cf801df66cb4bb3469_0]** 
- Operations were suspended on **September 22nd** as a precautionary measure, and the mill is now operating at **full production levels**.  **[1322422_4c0cee0619e742cf801df66cb4bb3469_0]** 
- The company continues to expect to **meet its 2025 production and cost guidance ranges**.  **[1322422_4c0cee0619e742cf801df66cb4bb3469_0]** 
- A **20,000 dry metric tonne copper concentrate shipment** was deferred from late September to early October, impacting third-quarter sales volumes, but was subsequently sold early in the fourth quarter.  **[1322422_4c0cee0619e742cf801df66cb4bb3469_0]**

- Hudbay Minerals Inc.'s **Constancia mine in Peru** has been impacted by **local protests and illegal blockades**, leading to the **temporary shutdown of its mill** as a safety precaution.  **[1322422_0001062993-25-015767_exhibit99-1.htm:0]** 
- The company has **temporarily demobilized its non-essential workforce** and plans to use the mill downtime for **preventative maintenance**.  **[1322422_0001062993-25-015767_exhibit99-1.htm:0]** 
- Despite these temporary disruptions, Hudbay **does not expect them to impact its ability to meet its 2025 production and cost guidance range**.  **[1322422_0001062993-25-015767_exhibit99-1.htm:0]**

Hudbay Minerals Comments on Peru Social Unrest and Constancia Mine Operations

- **Hudbay Minerals** has **temporarily shut down its Constancia mine mill** in southern Peru due to escalating local protests and illegal blockades amid nationwide social unrest.  **[1322422_047aef203b194ca9a763245fbee3fa13]** 
- Despite the operational halt, Hudbay **remains confident that its 2025 production and cost guidance will not be impacted**, as the company is using the downtime for preventative and scheduled mill maintenance.  **[1322422_047aef203b194ca9a763245fbee3fa13]** 
- Following the announcement, shares of Hudbay Minerals **fell 5.7%** on the Toronto Stock Exchange, valuing the company at **$7.38 billion**.  **[1322422_047aef203b194ca9a763245fbee3fa13]** 
- The unrest reflects broader tensions in Peru's southern mining corridor, though BMO Capital Markets noted that Hudbay has historically experienced lower disruption risk compared to peers in the region since 2011.  **[1322422_047aef203b194ca9a763245fbee3fa13]**

Hudbay Minerals Temporarily Shuts Down Peru Constancia Mine Amid Protests

- Hudbay Minerals Inc. has **resumed operations** in Snow Lake, Manitoba, following the lifting of a mandatory evacuation order on **August 22, 2025**.  **[1322422_1c8b4b7bfc7c42c6ba507d8dd6f20d83_0]** 
- The company confirmed **no structural damage** to its surface infrastructure and facilities in Snow Lake due to the wildfires.  **[1322422_1c8b4b7bfc7c42c6ba507d8dd6f20d83_0]** 
- Milling activities at the New Britannia mill resumed on **August 26, 2025**, and the full mining workforce at Lalor returned on **August 27, 2025**.  **[1322422_1c8b4b7bfc7c42c6ba507d8dd6f20d83_0]** 
- Hudbay expects the entire Snow Lake operation to reach **full production levels by early September** and anticipates achieving its **2025 annual guidance metrics in Manitoba** despite the wildfire impacts.  **[1322422_1c8b4b7bfc7c42c6ba507d8dd6f20d83_0]**

Hudbay Minerals (HBM)