An anonymous director reports

DENISON CFO ON TEMPORARY MEDICAL LEAVE OF ABSENCE, INTERIM CFO APPOINTED

Denison Mines Corp.'s Mac McDonald (CPA), the company's chief financial officer, is on a temporary medical leave of absence. Elizabeth Sidle (CPA, CA), who currently serves as Denison's vice-president of finance, has been appointed interim chief financial officer.

About Denison Mines Corp.

Denison is a uranium exploration and development company with interests focused in the Athabasca basin region of Northern Saskatchewan, Canada. The company has an effective 95-per-cent interest in its flagship Wheeler River uranium project, which is the largest undeveloped uranium project in the infrastructure-rich eastern portion of the Athabasca basin region of Northern Saskatchewan. In mid-2023, a feasibility study was completed for Wheeler River's Phoenix deposit as an in situ recovery (ISR) mining operation, and an update to the previously prepared prefeasibility study (PFS) was completed for Wheeler River's Gryphon deposit as a conventional underground mining operation. Based on the respective studies, both deposits have the potential to be competitive with the lowest-cost uranium mining operations in the world. Permitting efforts for the planned Phoenix ISR operation commenced in 2019 and have advanced significantly, with licensing in progress, and a draft environmental impact statement (EIS) submitted for regulator and public review October, 2022.

We seek Safe Harbor.