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NexGen announces additional mineralization discovered at Patterson Corridor East

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NexGen Energy Ltd. has announced that drilling at Patterson Corridor East has intersected mineralization in drill hole RK-24-193 over 67.5 metres (383.5 to 451 m) across various intervals, including up to 7,500 cps over 1.5 m. This hole is located 275 m southwest along strike of the initial discovery hole RK-24-183 and at approximately the same depth below the surface.

Assays from RK-24-183 have confirmed high-grade uranium veins over a 20 m interval, with several intersections totaling 13.5 m at 0.78 percent U3O8. Notable intersections include 0.5 m at 10 percent U3O8 and 0.5 m at 6.23 percent U3O8. These results, along with multiple narrow intersections of mineralization in two holes, represent a current strike length of 275 m at PCE, suggesting a potential upper edge to mineralization similar to the early holes at Arrow.

In response to these promising results, NexGen has expanded its summer drilling program to four drill rigs, targeting 22,000 m at PCE.

Leigh Curyer, chief executive officer, commented on the findings: “Our team has assessed the geological similarities between RK-24-183 and RK-24-193 and the upper areas of Arrow, indicating the high prospectivity of an additional mineralized system 3.5 km east of Arrow. The growing potential of this latest discovery will drive the focus of the summer exploration program to determine the potential size and extent of mineralization. Efficient and bold testing of the overall system is the first priority.”

Curyer also highlighted NexGen’s recent progress in advancing the Federal Environmental Assessment process for the Rook I Project and detailed engineering, alongside exploring a new discovery.

Drill hole RK-24-193 intersected elevated radioactivity over 67.5 m, with the style and intensity of mineralization strongly resembling early discovery holes at Arrow. Additional drill results from RK-24-180, RK-24-192, and RK-24-194 indicate a potential repetition of the prospective structure, correlating well with local gravity lows—a typical indicator of potential hydrothermal alteration. These findings suggest a possible supplementary uranium-bearing trend within the same system, doubling the size of the system to be tested this summer to approximately 1.5 km long by 1.2 km wide.

The expanded summer drilling program will focus on assessing the broad hydrothermal system at PCE and expanding the mineralized footprint. Over 22,000 m of diamond drilling is planned, utilizing four drill rigs. This represents a significant increase from the winter to summer program. The primary targets will be tested between 400 and 700 m below the surface to explore potential depth extensions similar to those at Arrow. This drilling campaign is expected to significantly advance the understanding of PCE while providing insights applicable to NexGen’s broader exploration portfolio.

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