Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 541

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 541
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 parameters, and assumptions. – Ability to maintain environmental and social licence to operate. For more information regarding the material assumptions for the Mineral Reserves estimates at Simandou, see Section 12 of Simandou Technical Report Summary filed as exhibit 96.4 to the 2023 Form 20-F . Exploration Exploration at Simandou is undertaken by SimFer’s site resource evaluation team. The current exploration strategy is focused on developing a project pipeline prioritized in areas that can extend current development. Further drilling and updates to the Pic de Fon Mineral Resourcea model will permit a feasibility level study to assess the potential conversion of the Mineral Resources in a mineable extension of the current project. Development of the known Mineral Resources is a key objective of stakeholders and over the life of mine, SimFer will continue to progress its understanding of these resources, and ultimately make decisions on their development. Additional information can be found in Section 7 of the Simandou Technical Report Summary filed as exhibit 96.4 to the 2023 Form 20-F . Internal controls disclosure pursuant to Item 1305 of SK-1300 under Securities Act of 1933 For a description of the internal controls that Rio Tinto uses in its exploration and Mineral Resources and Mineral Reservse estimation efforts, quality control and quality assurance programs, verification of analytical procedures and a discussion of the risk management related to these estimates, see Mineral Resources and Mineral Reserves Governance and Internal Controls on page 300 .

| Annual Report on Form 20-F 2024 | 357 | riotinto.com |

Additional information

Financial calendar

| 2025 |           |                                                                                                                                                                                                       |
| 16   | January   | Fourth quarter 2024 operations review                                                                                                                                                                 |
| 30   | January   | Closing date for receipt of nominations for candidates other than those recommended by the Board to be elected as directors at the 2025annual general meetings                                        |
| 19   | February  | Announcement of results for 2024                                                                                                                                                                      |
| 6    | March     | Rio Tinto plc and Rio Tinto Limited ordinary shares quoted “ex-dividend” for the 2024 final dividend                                                                                                  |
| 7    | March     | Rio Tinto plc ADRs quoted “ex-dividend” for the 2024 final dividend                                                                                                                                   |
| 7    | March     | Record date for the 2024 final dividend for Rio Tinto plc and Rio Tinto Limited ordinary shares and Rio Tinto plc ADRs