Mr. Cory Kos reports

CAMECO ANNOUNCES ELECTION OF DIRECTORS

Ten board members have been elected at Cameco Corp.'s annual meeting held on May 9, 2025.

Shareholders elected board members Daniel Camus, Tammy Cook-Searson, Catherine Gignac, Tim Gitzel, Marie Inkster, Kathryn Jackson, Don Kayne, Peter Kukielski, Dominique Miniere and Leontine van Leeuwen-Atkins.

About Cameco Corp.

Cameco is one of the largest global providers of the uranium fuel needed to power a secure energy future. Its competitive position is based on its controlling ownership of the world's largest high-grade reserves and low-cost operations, as well as significant investments across the nuclear fuel cycle, including ownership interests in Westinghouse Electric Company and Global Laser Enrichment. Utilities around the world rely on Cameco to provide global nuclear fuel solutions for the generation of safe, reliable, carbon-free nuclear power. Its shares trade on the Toronto and New York stock exchanges. Its head office is in Saskatoon, Sask., Canada.