NexGen expands Patterson Corridor East high-grade uranium zone vertical extent 17% to 644 m

• NexGen reported 2026 summer drilling at Patterson Corridor East extended the high-grade uranium subdomain vertical extent 17% to 644 m.
• Hole RK-26-293 hit high-grade mineralization to 930 m depth, including 0.1 m of off-scale >61,000 cps.
• Down-plunge hole RK-26-290c1 intersected multiple stacked uranium veins across 40 m, including 5.2 m of off-scale >61,000 cps.
• RK-26-294 confirmed continuity with 6.9 m >10,000 cps, including 3.1 m off-scale, supporting the current geological model.
• A fifth drill rig was added as the company advances a planned 42,000 m program; 20,138 m has been completed.

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 via Newsfile (Ref. ID: 202608250630NEWSFILECNPR____20260825_311333_1) on August 25, 2026, and is solely responsible for the information contained therein.