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Denison Mines Reports 24% Completion at Phoenix Uranium Mine Construction

Summarized from Earnings

Denison Mines has reached 24% total completion at its Phoenix ISR uranium mine after one full quarter of large-scale construction work.

Denison Mines Reports 24% Completion at Phoenix Uranium Mine Construction

Denison Mines Corp. disclosed third-quarter financial and operational results Tuesday, highlighting significant early progress at its Phoenix in-situ recovery uranium mine in Canada's Athabasca Basin, where construction has advanced to 24% total completion following the first full quarter of full-scale building activity.

The Toronto-based uranium developer, listed on the TSX under the symbol DML and on NYSE American as DNN, filed its condensed consolidated financial statements alongside a Management's Discussion and Analysis covering both the three-month period and the nine-month period ended September 30, 2026.

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The Phoenix ISR project represents a critical milestone for Denison as the company moves from development-stage planning into active mine construction. In-situ recovery mining, which extracts uranium by circulating solution through ore bodies underground rather than conventional excavation, is considered a lower-cost and lower-disturbance method that has drawn increased industry attention amid sustained uranium market interest.

The quarterly update signals that construction timelines at Phoenix are progressing, though the company has not yet indicated a revised commissioning date or updated capital cost figures beyond what was previously disclosed. Investors and analysts tracking the uranium sector have closely watched Denison's execution on Phoenix given its strategic importance to the company's long-term production ambitions.

Continue reading at Earnings for the full financial statements and MD&A details.

Frequently Asked Questions

Q.What is the Phoenix ISR uranium mine?

Phoenix is Denison Mines' in-situ recovery uranium mine project, which extracts uranium by circulating solution through underground ore bodies rather than through conventional excavation methods.

Q.How far along is construction at Denison's Phoenix uranium mine?

As of the third quarter of 2026, Phoenix had reached 24% total completion, achieved after the first full quarter of full-scale construction activity.

Q.Where is Denison Mines listed and what are its stock symbols?

Denison Mines Corp. trades on the Toronto Stock Exchange under the symbol DML and on NYSE American under the symbol DNN.

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