Osisko Drills More High Grades Across Windfall ... May 2026

Gold Fields anticipates achieving the first gold pour at Windfall by late Q4 2026 or early 2027 .

Recent infill results (February 2026) continue to show high-grade continuity, with some intercepts reaching average grades of 11.3 g/t Au in the measured category. Project Status and Path to Production Osisko drills more high grades across Windfall ...

Final environmental approvals and a formal Board Investment Decision (FID) are expected in the second half of 2025 or early 2026. Gold Fields anticipates achieving the first gold pour

Recent drilling efforts are increasingly focused on infill and expansion programs to de-risk the mine plan and test deep extensions of the high-grade zones. Recent drilling efforts are increasingly focused on infill

The site is now fully powered by hydroelectricity through an 85km power line operated by the Cree First Nation of Waswanipi , significantly reducing the project's carbon footprint.

Full-scale construction of the processing plant is slated to take 18–24 months.

The feasibility study projected an All-In Sustaining Cost ( AISC ) of approximately US$758–$760 per ounce , positioning it as one of the lowest-cost mines in Canada.