ISOU · IsoEnergy Ltd.

IsoEnergy's 2026 winter drilling program at the Larocque East project significantly exceeded initial plans, delivering 17 holes totaling 6,804 m focused on resource expansion at the high-grade Hurricane deposit and greenfield targets along the Larocque Trend. The standout result from LE26-248—30,050 cps over 1.0 m with local peaks exceeding 65,500 cps—occurred within the low-grade resource envelope on the newly reinterpreted L fault zone of the South Trend, part of a broader 11,275 cps interval over 3.5 m straddling the unconformity. This builds on prior intersections and confirms mineralization over a 540 m strike length east of the deposit core, with step-out holes like LE26-241 (3,712 cps over 0.5 m), LE26-243 (10,000 cps over 0.5 m), and LE26-234 showing elevated radioactivity in altered sandstone near the unconformity. The South Trend now reveals additional fault strands beyond the historically targeted J and K faults, suggesting a wider mineralized corridor with underexplored potential. Well-developed hydrothermal alteration, including bleaching, illitic clays, hematite, and sooty pyrite, alongside structural disruptions, aligns with classic Athabasca Basin unconformity-style uranium systems. Management highlights the prospectivity for significant discoveries, with assays pending from the Saskatchewan Research Council laboratory to quantify U3O8 content. VP Exploration Dan Brisbin noted the reinterpretation of controlling faults, while CEO Philip Williams praised the team's execution and plans an aggressive summer program to test the expanding South Trend, leveraging the project's shallow mineralization at ~325 m depth and proximity to the McClean Lake mill.