Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 69

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 69
---
 containing information regarding the commencement of underground production at the Oyu Tolgoi copper mine, Rio Tinto’s increased spend with Australian suppliers in 2022, the publishing of an independent report based on a global audit of Rio Tinto’s Cultural Heritage Management compliance and performance and the joint venture established between Rio Tinto and First Quantum Minerals to progress the La Granja copper project in Peru; (iv) the report on Form 6-Kfiled with the SEC by Rio Tinto plc and Rio Tinto Limited on April 20, 2023 containing information regarding the first quarter production results; and (iv) any future report on Form 20-F that either of Rio Tinto plc or Rio Tinto Limited files with the SEC under the Exchange Act until we sell the guaranteed debt securities that may be offered through this prospectus. You can obtain copies of any of the documents incorporated by reference through Rio Tinto or the SEC. Documents incorporated by reference are available without charge, excluding all exhibits unless an exhibit has been specifically incorporated by reference into this prospectus. You may obtain Rio Tinto documents incorporated by reference into this prospectus, at no cost, by requesting them in writing or by telephone at the following addresses and telephone numbers:

| ​ | Rio Tinto plc6 St. James’s SquareLondon SW1Y 4ADUnited Kingdom011-44-20-7781-2000 | ​ | ​ | Rio Tinto LimitedLevel 43, 120 Collins StreetMelbourne, Victoria 3000Australia011-61-3-9283-3333 | ​ |

5

TABLE OF CONTENTS

### FORWARD-LOOKING STATEMENTS
This prospectus contains and incorporates by reference certain forward-looking statements with respect to the financial condition, results of operations, plans and objectives of management for future operations (including development plans and objectives relating to Rio Tinto’s products, production forecasts and reserve and resource positions) and business strategy of the Rio Tinto Group. These statements are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 (the “Securities Act”) and Section 21E of the Exchange Act. The words “intend”, “aim”, “project”, “anticipate”, “estimate”, “plan”, “believes”, “expects”, “may”, “should”, “will”, “target”, “set to” or similar expressions, commonly identify such forward-looking statements.

Examples of forward-looking statements contained in or incorporated by reference in this prospectus include those