StockWatch
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Other Metals and Minerals
DisruptionMay 28, 2026, 10:11 AM

Cameco Resumes Full Production at McArthur River/Key Lake Operations

AI Summary

Cameco announced the resumption of full production activities at its Key Lake mill and McArthur River mine following a disruption caused by flooding in northern Saskatchewan. The disruption was due to the partial collapse of the Smoothstone River Bridge, which affected the primary supply route for critical operating materials. Despite the temporary halt and reduction in activities, the company has successfully utilized a secondary route to deliver necessary supplies, and its 2026 consolidated production outlook remains unchanged.

Key Highlights

  • Key Lake mill and McArthur River mine resumed full production activities.
  • Operations were disrupted by flooding in northern Saskatchewan.
  • Smoothstone River Bridge partially collapsed, impacting the primary supply route.
  • Critical operating materials are now consistently delivered via a secondary route.
  • Cameco's 2026 consolidated production outlook remains unchanged.
  • Outlook is 19.5 million to 21.5 million pounds of U3O8 (Cameco's share).
  • Cigar Lake mine was not impacted and continued to operate normally.