Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 3

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 3
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 herein and therein is accurate only as of their respective dates. Our business, financial condition, results of operations and prospects may have changed since those dates.

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TABLE OF CONTENTS

### ABOUT THIS DOCUMENT
This document is in two parts. The first part is the prospectus supplement, which describes the specific terms of the Notes and also adds to and updates information contained in the Base Prospectus and the documents incorporated by reference in the prospectus supplement and the Base Prospectus. The second part, the Base Prospectus, provides more general information about debt securities we may offer from time to time. When we refer to the Prospectus, we are referring to both parts of this document combined. If the description of the Notes in this prospectus supplement differs from the description in the Base Prospectus, the description in this prospectus supplement supersedes the description in the Base Prospectus.

The Base Prospectus contains important information regarding this offering, which is not contained in this prospectus supplement. You are urged to read the Base Prospectus and the prospectus supplement in full.

In this prospectus supplement, the terms “we”, “our” and “us” refer to Rio Tinto Finance (USA) plc, a 100% owned finance subsidiary of Rio Tinto plc. We refer to Rio Tinto plc and Rio Tinto Limited (ABN 96 004 458 404), taken together, as “Rio Tinto,” or, the “Companies”. We refer to Rio Tinto plc, Rio Tinto Limited and their subsidiaries, taken together, as the “Rio Tinto Group” or the “Group”. Rio Tinto Finance (USA) plc is offering debt securities using this prospectus supplement. Both Rio Tinto plc and Rio Tinto Limited act as the guarantors for offerings by Rio Tinto Finance (USA) plc using this prospectus supplement.

### ENFORCEABILITY OF CERTAIN CIVIL LIABILITIES
Rio Tinto Finance (USA) plc and Rio Tinto plc are public limited companies incorporated under the laws of England and Wales. Rio Tinto Limited is a corporation incorporated under the laws of the State of Victoria, Australia. Substantially all of our and Rio Tinto’s directors and officers, and some of the experts named in this document, reside outside the United States, principally in the United Kingdom and Australia. A substantial portion of our and Rio Tinto’s assets, and the assets of such persons, are located outside the United States. Therefore, you may not be