NexGen Energy Ltd.

Vancouver, British Columbia--(Newsfile Corp. - August 28, 2026) - NexGen Energy Ltd. (TSX: NXE) (NYSE: NXE) (ASX: NXG) ("NexGen" or the "Company") is pleased to announce that it will host its 2026 Investor Day on: Date: Tuesday, 1 September 2026Time: 8.00 A.M. Eastern Time, 10.00 P.M Australian Eastern Standard Time, same day. The pre-recorded virtual event will feature presentations from NexGen's senior leadership and technical team, providing a detailed overview of the construction plan and activities at the Company's 100% owned Rook I Project. The webcast can be accessed through...

Highlights:Vertical extent of high-grade subdomain increased by 94 m to 644 m with RK-26-293 intersecting cumulative 4.7 m of >10,000 cps, including 0.1 m of >61,000 cps at 930 m depth.Down plunge test hole, RK-26-290c1, intersected multiple stacked uranium veins across 40 m of the high-grade subdomain intersecting cumulative 19.5 m of >10,000 cps including 12.9 m of >10,000 cps that surrounds 5.2 m of >61,000 cps.Internal continuity strong throughout highlighted by RK-26-294 intersecting cumulative 6.9 m of >10,000 cps including 3.1 m of >61,000 cps located 27 m up...

Vancouver, British Columbia--(Newsfile Corp. - August 4, 2026) - NexGen Energy Ltd. (TSX: NXE) (NYSE: NXE) (ASX: NXG) ("NexGen" or the "Company") will host its 2026 second quarter conference call on Thursday, August 6, 2026, at 8:00 am Eastern Time. During the call, NexGen's Founder and Chief Executive Officer, Leigh Curyer, Chief Commercial Officer, Travis McPherson, Chief Financial Officer, Ryan Podrasky, and Chris Copley, Project Director will provide an update on the advancement of its 100% owned Rook I Project (the "Project"). This will include an update on construction activities complet...