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Denison Mines — 8.0 MB |pdf (company IR deck)

Denison Mines (DNN) · 26 slides · Filed Oct 29, 2026

Every slide of this earnings presentation, with the text as published. Open the original deck ↗ · All DNN deck slides

Slide 1 — Breaking Ground at Canada’s First ISR Uranium Mine

Breaking Ground at Canada’s First ISR Uranium Mine WHEELER RIVER PHOENIX MINE: VOLUME I March - August 2026

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Slide 2 — August 24, 2024: Phoenix site after the Feasibility Field Test and prior to construction

August 24, 2024: Phoenix site after the Feasibility Field Test and prior to construction

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Slide 3 — April 4, 2026: Initial site clearing and construction management facilities

April 4, 2026: Initial site clearing and construction management facilities

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Slide 4 — April 14, 2026: Helicopter landing pad construction

April 14, 2026: Helicopter landing pad construction

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Slide 5 — April 15, 2026: Heavy machinery being mobilized to site

April 15, 2026: Heavy machinery being mobilized to site

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Slide 6 — April 18, 2026: Helicopter landing pad in use with 18-seat Airbus Super Puma

April 18, 2026: Helicopter landing pad in use with 18-seat Airbus Super Puma

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Slide 7 — April 22, 2026: Williams Lake camp facility & exploration core yard

April 22, 2026: Williams Lake camp facility & exploration core yard

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Slide 8 — April 30, 2026: Site preparation progress with illustrative shapes for project areas

Industrial Landfill Area Process Plant Area + Freeze Plant Area Wellfield Area (Phase 1-4 ) Site Power Substation Area Helipad Temporary Construction Management Facilities (Wellfield Phase 5) Non-Process Site Facilities, including Access Road / Gatehouse and Permanent Camp Area Misc. Pads & Ponds Feasibility Field Test (FFT) Coverall April 30, 2026: Site preparation progress with illustrative shapes for project areas

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Slide 9 — May 19, 2026: Civil site preparation

May 19, 2026: Civil site preparation

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Slide 10 — May 24, 2026: Aerial view of site preparation progress, with airstrip in distance

May 24, 2026: Aerial view of site preparation progress, with airstrip in distance

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Slide 11 — June 2, 2026: 18-Seat Airbus Super Puma helicopter

June 2, 2026: 18-Seat Airbus Super Puma helicopter

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Slide 12 — June 3, 2026: Wheeler River / Phoenix ceremonial groundbreaking on site

June 3, 2026: Wheeler River / Phoenix ceremonial groundbreaking on site

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Slide 13 — June 4, 2026: Wheeler River / Phoenix groundbreaking celebration in Saskatoon

June 4, 2026: Wheeler River / Phoenix groundbreaking celebration in Saskatoon

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Slide 14 — June 21, 2026: Process plant civil work

14 14 June 21, 2026: Process plant civil work

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Slide 15 — June 29, 2026: A portion of the heavy equipment fleet on site

June 29, 2026: A portion of the heavy equipment fleet on site

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Slide 16 — July 6, 2026: Temporary construction camp facilities

July 6, 2026: Temporary construction camp facilities

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Slide 17 — August 4, 2026: Aggregate crushing on site

August 4, 2026: Aggregate crushing on site

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Slide 18 — August 8, 2026: Phoenix site looking southwest with temporary camp in the distance

18 18 August 8, 2026: Phoenix site looking southwest with temporary camp in the distance

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Slide 19 — August 8, 2026: Phase 1 wellfield area during initial freeze wall installation

August 8, 2026: Phase 1 wellfield area during initial freeze wall installation

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Slide 20 — August 8, 2026: Process plant area, looking south with substation pad at right

20 20 August 8, 2026: Process plant area, looking south with substation pad at right

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Slide 21 — August 8, 2026: Aggregate storage area

August 8, 2026: Aggregate storage area

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Slide 22 — August 8, 2026: Initial concrete work begins with process plant raft slab #1

August 8, 2026: Initial concrete work begins with process plant raft slab #1

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Slide 23 — August 10, 2026: Airstrip civil work progressing

August 10, 2026: Airstrip civil work progressing

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Slide 24 — August 17, 2026: Phoenix site looking west, with power line clearing visible

August 17, 2026: Phoenix site looking west, with power line clearing visible

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Slide 25 — August 19, 2026: First three process plant raft slabs at various stages of completion

August 19, 2026: First three process plant raft slabs at various stages of completion

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Slide 26 — WWW.DENISONMINES.COM

TORONTO 1100 - 40 University Ave. Toronto, ON Canada, M5J 1T1 SASKATOON 345 4th Avenue South Saskatoon, SK Canada, S7K 1N3 WWW.DENISONMINES.COM

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