enCore Energy Receives Bureau of Land Management Authorization to Begin Construction at Dewey Burdock Uranium Project

Executive Summary

• enCore Energy Corp. has received final approval from the Bureau of Land Management (BLM) to begin construction of initial ancillary infrastructure at its Dewey Burdock Uranium Project in South Dakota.
• The authorization covers approximately 240 acres of BLM-managed land and permits the construction of access roads, groundwater monitoring wells, and overhead power lines.
• The project is enrolled in the Fast-41 Program for accelerated federal permitting, aligning with U.S. domestic uranium production and clean energy initiatives.

Key Details

• BLM issued a final decision and Finding of No Significant Impact, authorizing enCore's subsidiary Powertech Inc. to commence infrastructure construction.
• Authorized work includes primary and secondary access roads, light-use roads, four groundwater monitoring wells, and overhead power lines.
• Project is part of the Fast-41 Program administered by the U.S. Federal Permitting Improvement Steering Council for accelerated permitting review.
• NRC Source and Byproduct Materials License (issued 2014) is currently under timely renewal, with enCore working with the NRC as the lead federal permitting agency.
• Mineral Resource Summary (Effective Oct 8, 2024): Total ISR Resources of 14,285,988 lbs U3O8 across 5,419,779 tons (0.13% avg grade); Measured/Indicated of 17,122,147 lbs U3O8 across 7,388,222 tons (0.12% avg grade); Inferred of 712,624 lbs U3O8 across 645,546 tons (0.06% avg grade).
• ISR extraction technology utilizes oxygen and water-based solutions to dissolve uranium in place, pumping it to a central processing plant with minimal surface disturbance.
• Project spans Custer and Fall River counties in South Dakota, with planned infrastructure including wellfield areas, a central processing plant, and environmental protection systems.
• Public comment period for the Environmental Assessment concluded in May 2026, addressing groundwater, cultural resources, tribal concerns, and environmental justice.

Notable Quotes

• William M. Sheriff, Executive Chair: "Securing the BLM's approval to commence construction on BLM lands marks a significant milestone for the Dewey Burdock Project. Our team's efforts at the federal level to coordinate permitting within the Fast 41 program have greatly enhanced enCore's ability to move forward, and we look forward to continuing to work with U.S. government agencies and State regulators to advance the Dewey Burdock Project."
• William M. Sheriff, Executive Chair: "We greatly appreciate the support of our landowners, neighbors, and the Edgemont community and look forward to growing our economic impact on the region. enCore remains committed to maximizing shareholder value and properly managing best practices to protect the land, air, people, and water."