EX-5.4

Exhibit 5.4

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (the “Form F-10”) of Cameco Corporation (the “Corporation”) filed with the United States Securities and Exchange Commission (the “Commission”) pursuant to the United States Securities Act of 1933, as amended, and any amendments thereto.

I hereby consent to reference to my name and my involvement in the preparation of, or supervision of the preparation of, scientific and technical information in the following instances:

under the headings “Operations and projects – Uranium – Tier-one operations – McArthur River mine/Key Lake mill”, “Operations and projects – Uranium – Tier-one operations – Cigar Lake”, “Operations and projects – Uranium – Tier-one operations – Inkai”, “Mineral reserves and resources” and “Governance – Interest of experts” in the Corporation’s Annual Information Form for the year ended December 31, 2021 dated March 22, 2022 for the McArthur River mine/Key Lake mill, Cigar Lake and Inkai operations; and

under the headings “Operations and projects – Uranium – Tier-one operations – McArthur River mine/Key Lake mill”, “Operations and projects – Uranium – Tier-one operations – Cigar Lake”, “Operations and projects – Uranium – Tier-one operations – Inkai”, and “Mineral reserves and resources” in Management’s Discussion and Analysis for the year ended December 31, 2021 dated February 9, 2022 for the McArthur River mine/Key Lake mill, Cigar Lake and Inkai operations,

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information into the Form F-10 and any amendments or supplements thereto filed by the Corporation with the Commission.