Summary：Cameco Unveils 2025 Sustainability Report: A Leap Towards Greener Energy FutureSASKATOON, Saskatchew

Cameco Unveils 2025 Sustainability Report: A Leap Towards Greener Energy Future

SASKATOON, Saskatchewan — Cameco Corporation (TSX: CCO; NYSE: CCJ), a leading global provider of uranium and fuel services, today released its 2025 Sustainability Report. The comprehensive report outlines the company's strategic initiatives, key performance indicators, and progress toward its sustainability goals, reaffirming its commitment to a cleaner energy future.

The 2025 Sustainability Report highlights several key developments that underscore Cameco's dedication to environmental stewardship, social responsibility, and operational excellence. Notably, the company achieved a 15% reduction in greenhouse gas emissions from its operations compared to the previous year, driven by the implementation of more efficient energy management systems and the increased use of renewable energy sources. Additionally, Cameco reported a significant improvement in its safety performance, with a 20% decrease in lost-time injuries across its global operations. The company also continued to support the economic development of local communities, investing $10 million in various social and economic initiatives.

The progress outlined in Cameco's 2025 Sustainability Report is particularly noteworthy within the context of the global energy landscape. As the world transitions toward a low-carbon economy, the demand for clean energy sources, including nuclear power, is expected to grow. Cameco's commitment to sustainability and its role as a reliable supplier of uranium position the company well to capitalize on this trend. Industry analysts are increasingly recognizing the importance of sustainability reporting and transparency, and Cameco's comprehensive report demonstrates its leadership in this area.

Looking ahead, Cameco is poised to continue its trajectory toward a more sustainable future. The company has set ambitious targets for further reducing its environmental footprint and enhancing its social responsibility initiatives. With the global energy mix evolving to prioritize cleaner sources, Cameco is strategically positioned to play a key role in supporting the transition.

In conclusion, Cameco's 2025 Sustainability Report provides a detailed account of the company's progress toward its sustainability goals and highlights its commitment to a greener energy future. As the world continues to navigate the complexities of climate change and energy security, Cameco's leadership in sustainability and its dedication to operational excellence will be crucial in shaping the future of the nuclear energy sector.