Ur-Energy Celebrates 100th Shipment of Yellowcake from Lost Creek ISR Uranium Mine, Wyoming

Executive Summary

• Ur-Energy announced the completion of its 100th U₃O₈ shipment from its flagship Lost Creek ISR facility, bringing cumulative production to over 3.5 million pounds since operations began in 2013.
• The release highlights the successful initiation of operations at the Shirley Basin ISR facility in April 2026, positioning the company to scale production and support expanding domestic nuclear fuel demand.
• Combined annual licensed production and toll processing capacity for the Lost Creek and Shirley Basin facilities is 4.2 million pounds U₃O₈.

Key Details

• 100th U₃O₈ shipment departed the Lost Creek Plant on June 11, 2026.
• Cumulative U₃O₈ shipped since operations began in 2013 exceeds 3.5 million pounds.
• Shirley Basin ISR facility successfully initiated operations in April 2026.
• Combined total annual licensed production and toll processing capacity for Lost Creek and Shirley Basin is 4.2 million pounds U₃O₈.
• Lost Creek facility is located in south-central Wyoming; Shirley Basin project is located in central Wyoming.
• The milestone underscores Ur-Energy's established role in supporting the domestic nuclear fuel supply chain and reinforces the operational blueprint for future production growth across its portfolio.

Notable Quotes

• Steve Hatten, Chief Operating Officer: "Achieving our 100th shipment is a powerful testament to the operational excellence and consistency of our team at Lost Creek. For more than a decade, this facility has proven the efficiency and reliability of our ISR platform. Delivering more than 3.5 million pounds into the supply chain isn't just a historical milestone; it establishes the operational blueprint we are now executing to drive production growth across our portfolio."