CCJ Cameco Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

Under the Securities Exchange Act of 1934

For the month of February, 2025

Cameco Corporation

(Commission file No. 1-14228)

2121-11th Street West

Saskatoon, Saskatchewan, Canada S7M 1J3

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☐   Form 40-F ☒

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ☐   No ☒

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

Exhibit Index

The Company hereby incorporates by reference into the Company’s registration statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165, 333-196422 and 333-281406) and Form F-10 (File No. 333-283140) the information contained in the exhibits to this Form 6-K.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Exhibit 99.1

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025

Exhibit 99.2

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Title: Principal Metallurgist, Technical Services, Cameco Corporation

Date: February 21, 2025

Exhibit 99.3

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025

Exhibit 99.4

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025

Exhibit 99.5

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025

Exhibit 99.6

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025

Exhibit 99.7

CONSENT OF EXPERT

Reference is made to the Registration Statement on Form F-10 (File No. 333-283140) (the “Form F-10”) of Cameco Corporation filed with the United States Securities and Exchange 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:

(collectively the “Technical Information”) in the Form F-10, and to the inclusion and incorporation by reference of information derived from the Technical Information in the Form F-10.

I also hereby consent to the incorporation by reference of such Technical Information in the Registration Statements on Form S-8 (File Nos. 333-11736, 333-06180, 333-139165 and 333-281406) for the Cameco Corporation Stock Option Plan and the Registration Statement on Form S-8 (File No. 333-196422) for the Cameco Corporation Employee Share Ownership Plan.

Sincerely,

Date: February 21, 2025