Tammy Cook-Searson

Key Skills and Experience

Executive leadership and strategy
Governance
People, compensation, talent and culture
Business growth and transformation
Stakeholder and rights holder relations

Tammy’s leadership experience serving her local Indigenous community in northern Saskatchewan and as president of the entity that manages her Band’s economic and development activities provides a rich, valuable and unique perspective to Cameco’s board and as a member of the safety, health and environment committee and the technical committee.

Biography

As of March 11, 2024

Tammy Cook-Searson is Chief of the Lac La Ronge Indian Band and the President of Kitsaki Management Limited Partnership, the entity that manages the Band’s economic development activities. Tammy was the Band’s first woman chief when she was elected in 2005 and, prior to being elected chief, she served on the Band’s council. Tammy was appointed to Cameco’s board effective September 1, 2023. She has more than 25 years of leadership, business development and management experience in northern Saskatchewan where some of Cameco’s key assets are located.

Tammy received a graduate diploma in management and is completing her master of business administration degree from Athabasca University. She also holds honourary degrees from the University of Regina and the Saskatchewan Indian Institute of Technologies. Tammy brings extensive leadership, community relations and development experience to the board, which includes finding solutions for social challenges and advocating for Indigenous issues. Her efforts have been recognized with many awards and medals, including the Indigenous Women in Leadership Award from Canadian Council of Aboriginal Business in 2021, the Canadian Armed Forces Special Services Medal in 2020 and the Queen Elizabeth II Diamond Jubilee Medal in 2012.

Tammy serves on the board of the Saskatoon Airport Authority, and she serves the Saskatchewan Indigenous community in many capacities. She is a member of the boards of Prince Albert Grand Council, Federation of Sovereign Indigenous Nations, Saskatchewan Indian Gaming Authority, Assembly of First Nations and the Virtual Health Hub of Saskatchewan.

Board and Committee Membership and Attendance

2023 Attendance
2023 Voting Results	Board and Committee Membership	Number of Meetings	Overall
n/a	Board of directors	2 of 2	100%
	Safety, health, and environment*	1 of 1	100%
	Technical*	1 of 1	100%

* Tammy joined two committees when she was appointed to the board on September 1, 2023.

Other Public Company Boards in the Past Five Years

None

Securities Held

As of December 31, 2023

Year	Cameco Shares	DSUs	Total Shares and DSUs	Market Value of Shares and DSUs¹	Multiple of 2023 Annual Retainer (at market value)	Deadline to Meet Share Ownership Guideline²
2023	-	1,081	1,081	$ 61,761	0.3x	September 1, 2028

1. Based on total holdings calculated using $57.13 for 2023, the closing price of Cameco shares on the last trading day of the year on the TSX.
2. For evaluating compliance with Cameco’s share ownership guidelines, Tammy’s DSUs held at December 31, 2023 are valued at $64,752 and represent 0.3x the board member retainer of $200,000.