Denison Mines Corp. announced that at the Annual General Meeting of Shareholders held on May 9, 2024 Mr. Ron Hochstein did not stand for re-election at the Meeting. The company announced the appointment of Ms. Jennifer Traub as the Company's new Board Chair.

Jennifer is a partner in the Securities Group, and Co-Chair of the Mining Group, at Cassels Brock & Blackwell LLP and has been recognized as a legal leader in the Canadian resource sector. Jennifer joined the Denison Board in 2021, contributing her dynamic advisory and leadership experience to Denison's governance.