These consolidated financial statements include the financial statements of the Company and its subsidiaries. The principal subsidiaries of the Company, their activities, and their geographic locations as at December 31, 2025, were as follows: | | | | | | | | | | | | | Proportion of | | | | | | | Interest Held | Subsidiary | | Principal Activity | | Location | | by the Company | DeepGreen Engineering Pte. Ltd. | | Mineral exploration | | Singapore | | 100% | DeepGreen Metals ULC(1) | | Mineral exploration | | Canada | | 100% | The Metals Company USA, LLC | | Development Company | | USA | | 100% | DeepGreen TOML Holding 1 Ltd. | | Holding Company | | British Virgin Islands | | 100% | DeepGreen TOML Holding 2 Ltd. | | Holding Company | | British Virgin Islands | | 100% | DeepGreen TOML Singapore Ltd. | | Mineral exploration | | Singapore | | 100% | Koloa Moana Resources Ltd. | | Holding Company | | Canada | | 100% | Nauru Ocean Resources Inc. | | Mineral exploration | | Republic of Nauru | | 100% | Offshore Minerals Pty. Ltd. | | Mineral exploration | | Australia | | 100% | The Metals Company Australia Pty Ltd | | Holding Company | | Australia | | 100% | TMC The Metals Company UK Limited | | Holding Company | | United Kingdom | | 100% | Tonga Offshore Mining Limited | | Mineral exploration | | Kingdom of Tonga | | 100% | Seafloor Mineral Ventures | | Mineral exploration | | Indonesia | | 100% |
| (1) | DeepGreen Metals ULC was merged into TMC the metals company Inc. (its Canadian parent) on January 1, 2026. |
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