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Ur-Energy Commences Operations at its Shirley Basin ISR Project, Wyoming, Advancing U.S. Uranium Production

$URGPress releaseApr 23, 2026, 7:00 AM ETRead the release

Ur-Energy has initiated uranium mining operations at its Shirley Basin Project in Wyoming, successfully transitioning its second in situ recovery mine from development to production status. The project contributes 2.0 million pounds of annual licensed capacity and 9.1 million pounds of measured and indicated resources, with a nine-year anticipated mine life and processing handled at the existing Lost Creek facility.

Key figures

Shirley basin life
9 years
Shirley basin grade
0.22% eU3O8
Lost creek production
3.5 million pounds U3O8
Shirley basin capacity
2.0 million pounds U3O8
Shirley basin resources
9.1 million pounds U3O8
Combined annual capacity
4.2 million pounds U3O8

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