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INTEREST IN OTHER ENTITIES (Tables)

12 Months Ended

Dec. 31, 2021

INTEREST IN OTHER ENTITIES

Significant subsidiaries, associates and joint operations

						December				December				Fiscal
		Place				31,2021				31,2020				2021
		Of				Ownership				Ownership				Participating				Accounting
		Business				Interest (1)				Interest (1)				Interest (2)				Method
Subsidiaries
Denison Mines Inc.		Canada					100.00	%			100.00	%			N/A			Consolidation
Denison AB Holdings Corp.		Canada					100.00	%			100.00	%			N/A			Consolidation
Denison Waterbury Corp		Canada					100.00	%			100.00	%			N/A			Consolidation
9373721 Canada Inc.		Canada					100.00	%			100.00	%			N/A			Consolidation
Denison Mines (Bermuda) I Ltd		Bermuda					100.00	%			100.00	%			N/A			Consolidation
Joint Operations
Waterbury Lake Uranium Corp(3)		Canada					60.00	%			60.00	%			100	%		Voting Share(4)
Waterbury Lake Uranium LP(3)		Canada					66.90	%			66.90	%			100	%		Voting Share(4)
Joint Venture
JCU		Canada					50.00	%			nil	%			50.00	%		Equity(4)
Key Contractual Arrangements
Wheeler River Joint Venture		Canada					90.00	%			90.00	%		90.00%(6)				Denison Share(6)
Midwest Joint Venture		Canada					25.17	%			25.17	%			25.17	%		Denison Share(6)
Mann Lake Joint Venture		Canada					30.00	%			30.00	%		N/A (7)				Denison Share(6)
Wolly Joint Venture		Canada					21.32	%			21.89	%		nil%				Denison Share(6)
McClean Lake Joint Venture		Canada					22.50	%			22.50	%			22.50	%		Denison Share(6)

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