IsoEnergy Ltd.

2025 Work Program

The Company completed ore sorting and HPSA testing programs to evaluate material processing and reduce haulage and operating costs, as well as an evaporation study with the aim to reduce capital costs and increase evaporation rates at the existing evaporation pond infrastructure at the Tony M Mine. For the ore sorting study, the Company engaged Steinert Group to test sensor-based ore sorting on mineralized material from the Tony M Mine.

This study utilized technology that uses a combination of 3D, color, induction, and x-ray sensors to identify and separate target material, which was able to recover over 90% of the material into roughly 50% of the original mass. For the HPSA testing, the Company tested mineralized material from the Tony M Mine with Disa Technologies, Inc., using their patented HPSA process. This process used high-pressure slurry streams to separate uranium coatings from sand grains and demonstrated the potential to recover more than 90% of the uranium into roughly 25% of the original mass.

For the evaporation study, the Company worked with RWI Enhanced Evaporation to evaluate the use of landshark evaporators on the Tony M Mine evaporation pond. Preliminary results suggest that enhanced evaporation could eliminate the need for constructing additional pond capacity, reducing future dewatering timelines and associated costs for the later stages of mining.

The Company commenced a bulk sample program in late 2025, which is to involve the extraction of up to 2,000 tons of mineralized material over a 12-14 week period. The bulk sample program is being executed using contract mining services provided by GenX Mining Contractors, LLC and the mineralized material will be transported to and processed at the White Mesa Mill in Utah, which is operated by Energy Fuels.