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v3.22.4

INTEREST IN OTHER ENTITIES (Details) |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 30, 2021 | Aug. 03, 2021 | May 31, 2021 | Nov. 30, 2022 | Sep. 30, 2016 | Dec. 31, 2022 | Dec. 31, 2021
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Percentage of mineral property assets |  |  |  |  |  | 90.50% |
Wheeler River Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 90.00% |
Place Of Business, Key Contractual Arrangements |  |  |  |  |  | Canada |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 90.00% | 90.00%
Waterbury Lake Uranium Corp |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 100.00% |
Place Of Business, Joint Operations |  |  |  |  |  | Canada |
Ownership interest, Joint Operations |  |  |  |  |  | 60.00% | 60.00%
Waterbury Lake Uranium LP |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 100.00% |
Place Of Business, Joint Operations |  |  |  |  |  | Canada |
Ownership interest, Joint Operations |  |  |  |  |  | 67.41% | 66.90%
Voting interest percentage |  |  |  |  | 75.00% | 75.00% | 75.00%
Wheeler River Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 90.00% |
Midwest Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 25.17% |
Place Of Business, Key Contractual Arrangements |  |  |  |  |  | Canada |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 25.17% | 25.17%
Mann Lake Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Key Contractual Arrangements |  |  |  |  |  | Canada |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 30.00% | 30.00%
Wolly Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  |  |
Place Of Business, Key Contractual Arrangements |  |  |  |  |  | Canada |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 20.77% | 21.32%
McClean Lake Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 22.50% |
Place Of Business, Key Contractual Arrangements |  |  |  |  |  | Canada |
Ownership Interest, in Key Contractual Arrangements |  |  |  |  |  | 22.50% | 22.50%
Denison Mines Inc. |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Subsidiaries |  |  |  |  |  | Canada |
Ownership interest, Subsidiaries |  |  |  |  |  | 100.00% | 100.00%
Denison AB Holdings Corp. |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Subsidiaries |  |  |  |  |  | Canada |
Ownership interest, Subsidiaries |  |  |  |  |  | 100.00% | 100.00%
Denison Waterbury Corp |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Subsidiaries |  |  |  |  |  | Canada |
Ownership interest, Subsidiaries |  |  |  |  |  | 100.00% | 100.00%
Ownership interest, Joint Operations | 67.41% |  | 66.90% |  |  |  | 60.00%
9373721 Canada Inc. |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Subsidiaries |  |  |  |  |  | Canada |
Ownership interest, Subsidiaries |  |  |  |  |  | 100.00% | 100.00%
Denison Mines (Bermuda) I Ltd |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Place Of Business, Subsidiaries |  |  |  |  |  | Bermuda |
Ownership interest, Subsidiaries |  |  |  |  |  | 100.00% | 100.00%
JCU |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Participating Interest |  |  |  |  |  | 50.00% |
Place Of Business, Joint Operations |  |  |  |  |  | Canada |
Ownership interest, Joint Operations |  |  |  | 50.00% |  | 50.00% | 50.00%
JCU | Wheeler River Joint Venture |  |  |  |  |  |  |
INTEREST IN OTHER ENTITIES |  |  |  |  |  |  |
Ownership interest, Joint Operations |  | 5.00% |  |  |  | 5.00% |

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