Company: RTNTF
Filing Date: 2025-03-14
Form Type: 6-K
Source: 0001104659-25-023811
Chunk: 1

Company: RIO TINTO LTD
Filing Date: 2025-03-14
Form: 6-K
Chunk 1
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333-224907-01) AND TO BE A PART THEREOF FROM THE DATE ON WHICH THIS REPORT IS FURNISHED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.

<div align='center'>EXHIBITS

5.1 Opinion of Linklaters LLP, as to the validity of the debt securities and the guarantees being registered as to certain matters of English law

5.2 Opinion of Linklaters LLP, as to the validity of the debt securities and the guarantees being registered as to certain matters of New York law

5.3 Opinion of Allens, as to the validity of the debt securities and the guarantees being registered as to certain matters of Australian law.

SIGNATURES</div>

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/ Andy Hodges   |     | By                | /s/ Andy Hodges   |
| Name          | Andy Hodges       |     | Name              | Andy Hodges       |
| Title         | Company Secretary |     | Title             | Company Secretary |
| Date          | 14 March 2025     |     | Date              | 14 March 2025     |