Investor Presentaiton

Macusani Uranium – Large-Scale / Low-Cost - Low Cost, LOW CAPITAL INTENSITY, FLEXIBLE URANIUM DEVELOPMENT PROJECT Location and Mineral Resource Macusani Uranium Project Corani Complex Calvario Puncopata PEA Highlights ($) Strong Project Economics 1, 2 " NPV8: US$603M, IRR 40.6% and 1.8 years payback at US$50/lb U308 Corani PERU 75ppm Cut-Off¹ Indicated³ Inferred4 Puno Isivilla Deposit Calvario Real Tantamaco Deposit Quebrada Blanca Deposit " Proposed Processing Plant Chilcuno Chico Deposit Corachapi Complex Tuturumani Deposit 200 Colibri Project Tupuramani Project Plateau Energy Metals Concessions Areas of focus. Areas of focus for near-term drilling Uranium footprint . Drill hole Road Powerline Macusani Uranium Project Sayana Complex 4 km M Tonnes Grade Contained lbs (Mt) (ppm U30g) (Mlbs U3Og) 51.9 72.1 95.2 130.0 248 251 Large Scale. Avg. production ~6Mlbs U3O8 / yr over a 10-year mine life PEA Mine Plan Resource: ~68.8Mlbs U3Og at 289ppm (55% of existing resource) Low Cost: US$17/lb LoM cash cost and Low CapEx: ~US$300M initial capital US$18/lb AISC5 NOTE: -30% of Total Mineral Resources are impacted by Concessions Issue Optimization Opportunities Ability to pre-concentrate / upgrade more than doubles uranium grades Enables incorporation of additional resources into mine plan and strengthens already robust economics Tank leaching for increased recoveries Initial capex reduction by re-scoping to phased expansion approach Near Surface + Leach Kinetics 5 near surface deposits included in the PEA mine plan with low LOM strip ratio Porous volcanic host rock allows for rapid leach and low acid consumption Path to Production Align existing Peruvian Radioactive Export/Transport rules with IAEA for U308 1. See IMPORTANT Cautionary Notes on slide 2 and 3; 2. Using US$50/lb uranium price; 3. At an average grade of 248ppm (75ppm U cut off); 4. At an average grade of 251ppm (75ppm U cut off); 5 Non-IFRS reporting measure. *Refer to the "Macusani Project, Macusani, Peru, NI 43-101 Report - Preliminary Economic Assessment" as detailed on slide 2.. 13

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