• NexGen outlined construction progress at its 100%-owned Rook I uranium project in Saskatchewan following a federal license to construct.
• 2021 feasibility study mine plan remains the base case, targeting up to 30 million lbs of U3O8 per year in years 1-5.
• Project positioned to supply about 20% of global uranium from a single mine, based on feasibility study production assumptions.
• Contracting strategy targets delivery-time market pricing; sales commitments total 10 million lbs with 2 million lbs annual deliveries from commercial production.
• Arrow deposit reserves cited at 239.6 million lbs grading 2.37% U3O8; measured and indicated resources total 256.7 million lbs.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. NexGen Energy Ltd. published the original content used to generate this news brief on July 27, 2026, and is solely responsible for the information contained therein.