ISOU · IsoEnergy Ltd.

Summary

IsoEnergy Ltd. highlighted strong jurisdictional rankings in the Fraser Institute's 2026 Annual Survey of Mining Companies for Canada (Saskatchewan 3rd on IAI), the United States (Utah 12th on PPI), and Australia (South Australia 4th, Western Australia 6th on IAI), underscoring the competitiveness of its uranium portfolio jurisdictions, and filed its fiscal 2025 annual report on Form 40-F. These rankings affirm the quality and policy stability of the Company's tier one asset base including the Larocque East Project's Hurricane Deposit.

Key takeaways

• Saskatchewan ranked 3rd globally on Investment Attractiveness Index (IAI)
• Utah ranked 12th on Policy Perception Index (PPI)
• South Australia ranked 4th on IAI
• Western Australia ranked 6th on IAI and 3rd on Best Practices Mineral Potential Index (BPMPI)
• Filed annual report on Form 40-F for fiscal year ended December 31, 2025 with SEC
• Hurricane Deposit: 48.6 Mlb U3O8 at 34.5% U3O8 Indicated, 2.7 Mlb U3O8 at 2.2% U3O8 Inferred