NexGen Energy Announces $2.1B Uranium Supply Agreement with U.S. Utilities

VANCOUVER, BC — March 27, 2026 — NexGen Energy Ltd. (TSX: NXE) today announced it has entered into a binding long-term uranium supply agreement with a consortium of three major U.S. nuclear utilities.

The agreement covers the delivery of 12 million pounds of uranium concentrate over a 10-year period beginning in 2027, with a total estimated value of approximately $2.1 billion based on current forward pricing.

"This agreement represents a transformative milestone for NexGen," said CEO Leigh Curyer. "It provides significant revenue certainty and validates the strategic importance of our Rook I project in Saskatchewan's Athabasca Basin."

The deliveries will commence from the company's flagship Rook I project, which holds the largest undeveloped high-grade uranium deposit in the world.