Company: RTNTF
Filing Date: 2025-11-03
Form Type: 6-K
Source: 0000863064-25-000020
Chunk: 1

Company: RIO TINTO LTD
Filing Date: 2025-11-03
Form: 6-K
Chunk 1
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quoted equity securities’ .

99.8 Stock Exchange announcement dated 8 October 2025 entitled ‘ Appendix 3H – Notification of cessation of securities’ .

99.9 Stock Exchange announcement dated 8 October 2025 entitled ‘ Form 603 – Notice of initial substantial holder’.

99.10 Stock Exchange announcement dated 9 October 2025 entitled ‘ Appendix 3G – Notification of issue, conversion or payment up of unquoted equity securities’ .

99.11 Stock Exchange announcement dated 9 October 2025 entitled ‘ Form 605 – Notice of ceasing to be a substantial holder’ .

99.12 Stock Exchange announcement dated 10 October 2025 entitled ‘ TR-1: Standard form for notification of major holdings’ .

99.13 Stock Exchange announcement dated 22 October 2025 entitled ‘ Shareholdings of persons discharging managerial responsibility (PDMR) / Key Management Personnel (KMP) ’.

99.14 Stock Exchange announcement dated 24 October 2025 entitled ‘ Rio Tinto Board changes ’.

99.15 Media release dated 27 October 2025 entitled ‘ Rio Tinto and China’s State Power Investment Corporation launch batter swap truck trial fleet at Oyu Tolgoi mine ’.

99.16 Stock Exchange announcement dated 31 October 2025 entitled ‘ Publication of Prospectus ’.

### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorised.

| Rio Tinto plc |     |                   |     | Rio Tinto Limited |     |                   |
| (Registrant)  |     |                   |     | -Registrant       |     |                   |
| By            |     | /s/ Andrew Hodges |     | By                |     | /s/ Tim Paine     |
| Name          |     | Andrew Hodges     |     | Name              |     | Tim Paine         |
| Title         |     | Company Secretary |     | Title             |     | Company Secretary |
| Date          |     | 3 November 2025   |     | Date              |     | 3 November 2025   |