Exhibit 99.1

NEWS RELEASE		www.cameco.com		Saskatoon
All amounts in Canadian dollars unless specified otherwise				Saskatchewan Canada

Cameco Announces Election of Directors

May 9, 2025

Cameco (TSX: CCO; NYSE: CCJ) has announced the election of ten board members at its 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 Minière and Leontine van Leeuwen-Atkins.

Voting Results for Cameco Directors

Profile

Cameco is one of the largest global providers of the uranium fuel needed to power a secure energy future. Our competitive position is based on our 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. Our shares trade on the Toronto and New York stock exchanges. Our head office is in Saskatoon, Saskatchewan, Canada.

As used in this news release, the terms we, us, our, the Company and Cameco mean Cameco Corporation and its subsidiaries unless otherwise indicated.

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Exhibit 99.2

May 9, 2025

Canadian Securities Administrators

Cameco Corporation

Annual Meeting May 9, 2025

Report of Voting Results

Under National Instrument 51-102

In accordance with Section 11.3 of National Instrument 51-102 – Continuous Disclosure Obligations, we advise of the results of the voting on the matters submitted to the annual meeting (the Meeting) of the shareholders (the Shareholders) of Cameco Corporation (the Corporation) held on May 9, 2025. Each matter voted on is described in greater detail in the Corporation’s 2025 Management Proxy Circular issued in connection with this meeting, which is available at cameco.com.

The matters voted upon at the Meeting and the results of the voting were as follows:

Item 1: Election of Directors

The following directors were elected to hold office for the ensuing year or until their successors are elected or appointed:

The outcome of the ballot vote, both before and after giving effect to the twenty-five (25%) percent non-resident Shareholder voting restriction, was as follows:

Canadian Securities Administrators

May 9, 2025

Page 2

Vote Results Before Reduction of Non-resident Vote:

Vote Results After Reduction of Non-resident Vote to 25%:

Item 2: Appointment of Auditors

On a vote by ballot, KPMG LLP was appointed auditors of the Corporation to hold office until the next annual meeting of Shareholders, or until their successors are appointed.

The outcome of the ballot vote, both before and after giving effect to the twenty-five (25%) percent non-resident Shareholder voting restriction, was as follows:

Canadian Securities Administrators

May 9, 2025

Page 3

Vote Results Before Reduction of Non-resident Vote:

Vote Results After Reduction of Non-resident Vote to 25%:

Item 3: Executive Compensation

On a vote by ballot, an advisory resolution was passed accepting the approach to executive compensation disclosed in Cameco’s Management Proxy Circular delivered in advance of this meeting.

The outcome of the ballot vote, both before and after giving effect to the twenty-five (25%) percent non-resident Shareholder voting restriction, was as follows:

Vote Results Before Reduction of Non-resident Vote:

Vote Results After Reduction of Non-resident Vote to 25%: