Ms. Rachelle Girard reports

CAMECO PROVIDES UPDATED DATE FOR Q1 RESULTS, CONFERENCE CALL AND WEBCAST

Cameco Corp. will issue its first quarter results before markets open on May 5, 2022.

Cameco invites investors and the media to join its first quarter conference call with the company's senior executives on May 5, 2022, at 8 a.m. Eastern Time.

Cameco will discuss trends in the market and the execution of its strategy before opening the call to questions from investors and the media.

To join the call, please dial 800-319-4610 (Canada and the United States toll-free) or 604-638-5340. An operator will put your call through. The slides and a live webcast of the conference call will be available from a link at the Cameco website.

A recorded version of the proceedings will be available on the company's website shortly after the call and on postview until 12 a.m. Eastern Time on June 5, 2022, by calling 800-319-6413 (Canada and the United States toll-free) or 604-638-9010 (passcode 8606).

About Cameco Corp.

Cameco is one of the largest global providers of the uranium fuel needed to energize a clean-air world. Its competitive position is based on its controlling ownership of the world's largest high-grade reserves and low-cost operations. Utilities around the world rely on its nuclear fuel products to generate power in safe, reliable, carbon-free nuclear reactors. Its shares trade on the Toronto and New York stock exchanges. Its head office is in Saskatoon, Sask.