Marie Inkster

Board Member

Marie brings CFO, strategy insight and leadership and financial experience to Cameco’s board and our audit committee, having served in senior roles and on audit committees, including her role as an audit committee chair, in mining companies with operations internationally. She serves on two of our committees.

Marie is one of the Audit and Finance Committee’s audit financial experts.

Key Skills and Experience

Biography

As of April 2, 2026

Marie Inkster is a corporate director. From 2018 to 2021, she served as the president and CEO and a director of Lundin Mining Corporation, a diversified Canadian base metals mining company, and prior to that she served as senior vice president and chief financial officer from 2009 to 2018. She has more than 20 years of experience in public company management, corporate transactions, public and private debt and equity fundraising, and reporting and disclosure in the Canadian and international mining industry.

Marie is a member of the Chartered Professional Accountants of Ontario. She received a bachelor of business administration degree from St. Francis Xavier University. She has held senior leadership and senior finance roles with mining companies with base metals mining operations in countries such as Australia, Botswana, Canada, the US, Portugal, Sweden, South Africa and countries across South America.

Marie has served as a director and board chair of AbraSilver Resource Corp. since September 2025. She is the special committee chair for Foran Mining Corporation’s independent directors, overseeing the company’s potential sale. She also serves on the audit and risk, nominating, governance, and compensation committees, and brings expertise in finance, accounting, audit, human resources, and executive compensation from her senior roles in the mining industry. She has served on the audit and risk, governance, capital allocation and projects, and compensation committees of other public company boards and she was the audit committee chair at Lucara Diamond Corp. for her entire tenure on its board. She served on the board of the International Zinc Association for four years, including as board chair from November 2020 to January 2022.
 

Board and Committee Membership and Attendance

As of December 31, 2025

* Marie joined two committees when she was elected to the board on May 9, 2025.

Other Public Company Boards in the Past Five Years

Securities Held

as at December 31, 2025

1    Based on total holdings calculated using $125.68 for 2025 and $73.91 for 2024, the closing prices of Cameco shares on the last trading day of the year on the TSX.
2    For evaluating compliance with Cameco’s share ownership guidelines, Marie’s shares held on December 31, 2025, are valued at $327,267 and represent 1.1x the board member retainer of $290,000. 
3    Marie owned the Cameco shares prior to joining the board.