Investor Presentaiton

sandstone Cigar Lake - Jet Bore Mining System (JBS) Detail A uranium orebody unconformity basement rock Water jet Blade screen Slurry ⚫ Orebody frozen prior to mining • Ore removed using high-pressure water jet · • Cavity monitored using survey equipment ⚫ Cavity backfilled with concrete ⚫ Ore slurry contained to control radiation, eliminate dust mining cavity backfilled cavities Detail A high-pressure water jet rod cars drilling car slurry car drawing not to scale storage ROM to underground processing Cameco 24

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