Cameco (CCJ) shareholder files to sell 50,000 common shares under Rule 144

Rhea-AI Filing Summary

A shareholder has filed a notice of proposed sale of Cameco Corporation common shares under Rule 144. The filing covers the planned sale of 50,000 common shares, with an indicated aggregate market value of $4,928,000.00. These shares are to be sold on the NYSE through Solium Financial Inc. on or about 01/02/2026. The issuer had 435,457,158 common shares outstanding at the time referenced.

The 50,000 shares to be sold were acquired on 01/02/2026 via a stock option exercise from Cameco Corporation, paid in cash. The filing also notes that the same seller, Timothy S. Gitzel, sold 50,000 common shares on 12/19/2025 for gross proceeds of $4,499,500.00 during the prior three-month period.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Shares	Solium Financial Inc. 1500, 800 - 6th Avenue SW Calgary A0 T2P 3G3	50000	4928000.00	435457158	01/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Shares	01/02/2026	Stock Option Exercise	Cameco Corporation			50000	01/02/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Timothy S. Gitzel 2121 11th Street West Saskatoon A9 S7M 1J3	Common Shares	12/19/2025	50000	4499500.00

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Cameco (CCJ) shares are planned to be sold under this Form 144?

The notice covers a proposed sale of 50,000 common shares of Cameco Corporation.

What is the aggregate market value of the Cameco (CCJ) shares to be sold?

The 50,000 common shares covered by the notice have an indicated aggregate market value of $4,928,000.00.

When and where are the Cameco (CCJ) shares expected to be sold?

The approximate sale date listed is 01/02/2026, and the shares are to be sold on the NYSE through Solium Financial Inc.

How were the Cameco (CCJ) shares being sold acquired?

The 50,000 common shares were acquired on 01/02/2026 via a stock option exercise from Cameco Corporation, with the purchase price paid in cash.

Who is the seller named in this Cameco (CCJ) Form 144 filing?

The seller identified for the past three-month sales disclosure is Timothy S. Gitzel, listed with an address in Saskatoon.

Has this seller recently sold other Cameco (CCJ) shares?

Yes. During the past three months, Timothy S. Gitzel sold 50,000 common shares on 12/19/2025 for gross proceeds of $4,499,500.00.

How many Cameco (CCJ) common shares were outstanding at the time referenced?

The filing reports 435,457,158 common shares outstanding for Cameco Corporation.