Uranium Operations

Cameco's uranium operations include the Cigar Lake mine, which is the world's highest grade uranium mine, and the McArthur River mine. As of December 31, 2025, Cigar Lake has 94.1 million pounds of U3O8 in proven and probable reserves, with an average grade of 16.33%. The company expects production between 17.5 million to 18.0 million pounds of U3O8 in 2026 from Cigar Lake.

Answer last refreshed: 2026-10-06