NexGen Energy Ltd.

RK-25-256 returns 5.5 m at 21.4% U3O8, including 2.5 m at 46.1% U3O8 and including 0.5 m at 74.8% U3O8,Rook I developing a multi-generational portfolio of uranium projects in the southwest Athabasca Basin, Saskatchewan, Canada.Vancouver, British Columbia--(Newsfile Corp. - December 1, 2025) - NexGen Energy Ltd. (TSX: NXE) (NYSE: NXE) (ASX: NXG) ("NexGen" or the "Company") is pleased to announce its highest-grade assay results to date at the Company's 100%-owned Patterson Corridor East ("PCE") with drill hole RK-25-256. Assays returned 5.5 meters ("m") at 21.4% U3O8 between 590.0 and...

Link to Commission Hearing that commenced at 9.00am EST November 19, 2025: hereCommission Hearing presentation video will be available on NexGen's homepage at http://www.nexgenenergy.ca#videoTwo-part public hearings represent the final step in the Federal regulatory process prior to a CNSC approval decisionFinal Commission hearings follow Saskatchewan's Environmental Assessment approval in November 2023Vancouver, British Columbia--(Newsfile Corp. - November 19, 2025) - NexGen Energy Ltd. (TSX: NXE) (NYSE: NXE) (ASX: NXG) ("NexGen" or the "Company") is pleased to be participating...

Vancouver, British Columbia--(Newsfile Corp. - November 12, 2025) - NexGen Energy Ltd. (TSX: NXE) (NYSE: NXE) (ASX: NXG) ("NexGen" or the "Company") is excited to announce significant geochemical assay results from NexGen's 100%-owned Patterson Corridor East ("PCE") discovery. Drillhole RK-25-254 returned 10.5 meters ("m") at 11.3% U3O8 including 4.0m at 29.4% U3O8 and 0.5m at 56.2% U3O8 (Figures 1 and 2, Table 1). Notably, mineralization in RK-25-254 is 55m up dip from hole RK-25-232 which intersected 15.0m at 15.9% U3O8 including 3.0m at 47.8% U3O8, 1.5m at 29.4% U3O8 and an interc...