Denison Mines Corp. · TSX:DML

Denison Mines — Technical Presentation (November 2020)

4 slides from Denison Mines's technical presentation, Nov 18, 2020

1. Slide 1: Figure 2 Proposed Tthe Heldeth Túé Site Layout

   Figure 2 Proposed Tthe Heldeth Túé Site Layout

2. Slide 2: Figure 3 Tthe Heldeth Túé Deposit (Waterbury Lake) Regional Location Map

   Figure 3 Tthe Heldeth Túé Deposit (Waterbury Lake) Regional Location Map

3. Slide 3: Figure 4 Proposed Tthe Heldeth Túé Site Location Map

   Figure 4 Proposed Tthe Heldeth Túé Site Location Map

4. Slide 4: Proposed Tthe Heldeth Túé Site Location Map

   Proposed Tthe Heldeth Tué Site Location Map Athabasca Basin, Northern Saskatchewan Benison Mines toughrider Project {ilo Tinto) McClean Lake Project (Oran Denison / OURD) WY / * 1 : Bo Midwest Project g (Orane / Denison / OURD) gna

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