Investor Presentaiton

Cameco Energizing a clean-air world Company Overview Q1 2024 Vision and Strategy Cameco Energizing a clean-air world Centered on our values ⚫ Our vision is aligned with the world's growing need for clean, affordable and secure energy solutions. We believe our strategy of contracting discipline, operationally flexible supply discipline, and financial discipline will allow us to achieve our vision of Energizing a clean-air world. Clean Environment Integral to our strategy and Environment Safe, healthy, and rewarding workplace Cameco Energizing a clean-air world reflecting our values, is our commitment to sustainability. ESG Governance tale Social Supportive Communities Cameco First Quarter 2024 2 3

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