Rio Tinto PlcLSE: RIO

Publication of a Prospectus

· Issued by Rio Tinto Plc

Notice to LSE                                                                                                                                  

Publication of Prospectus

31 October 2025

The following document has been approved by the United Kingdom Financial Conduct Authority on 31 October 2025 and is available for viewing:

Base Prospectus dated 31 October 2025 (the "Prospectus") relating to the U.S.$10,000,000,000 Euro Medium Term Note Programme of Rio Tinto Finance (USA) Limited (ABN 84 062 129 551), Rio Tinto Finance (USA) plc and Rio Tinto Finance (USA) Inc. as issuers and unconditionally and irrevocably guaranteed by Rio Tinto plc and Rio Tinto Limited (ABN 96 004 458 404) as guarantors.

To view the full document, please paste the following URL into the address bar of your browser.

http://www.rns-pdf.londonstockexchange.com/rns/7323F_1-2025-10-31.pdf

A copy of the Prospectus has also been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

For further information, please contact:

Rio Tinto plc

6 St James's Square

London SW1Y 4AD

Telephone:+44 20 7781 2000

Website: https://www.riotinto.com/

        Contacts

Please direct all enquiries to media.enquiries@riotinto.com

Media Relations,

United Kingdom

Matthew Klar 

M +44 7796 630 637 

David Outhwaite

M +44 7787 597 493

Media Relations,

Australia

Matt Chambers

M +61 433 525 739

Rachel Pupazzoni

M +61 438 875 469

Bruce Tobin  

M +61 419 103 454

Media Relations,

Canada

Simon Letendre

M +1 514 796 4973

Malika Cherry

M +1 418 592 7293

Vanessa Damha

M +1 514 715 2152

Media Relations,

US & Latin America

Jesse Riseborough 

M +1 202 394 9480 

Investor Relations,

United Kingdom

Rachel Arellano
M:
+44 7584 609 644

David Ovington

M +44 7920 010 978

Laura Brooks  

M +44 7826 942 797 

Weiwei Hu  

M +44 7825 907 230

Investor Relations,

Australia

Tom Gallop

M +61 439 353 948

Phoebe Lee 

M +61 413 557 780 

Rio Tinto plc

6 St James's Square

London SW1Y 4AD

United Kingdom

T +44 20 7781 2000

Registered in England

No. 719885

Rio Tinto Limited

Level 43, 120 Collins Street

Melbourne 3000

Australia

T +61 3 9283 3333

Registered in Australia

ABN 96 004 458 404

This announcement is authorised for release to the market by Andy Hodges, Rio Tinto's Group Company Secretary.

riotinto.com

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Prospectus may be addressed to and/or targeted at persons who are residents of particular countries only and is not intended for use and should not be relied upon by any person outside these countries. Prior to relying on the information contained in the Prospectus you must ascertain from the Prospectus whether or not you are part of the intended addressees of the information contained therein.

Your right to access this service is conditional upon complying with the above requirement.

Legal Entity Identifiers

1.   Rio Tinto plc (LEI: 213800YOEO5OQ72G2R82)

2.   Rio Tinto Limited (ABN 96 004 458 404) (LEI: 529900X2VMAQT2PE0V24)

3.   Rio Tinto Finance (USA) plc (LEI: 2138006TSNBEUA761G16)

4.   Rio Tinto Finance (USA) Limited: (LEI: 213800RX94ZKEZXPKH58)

5.   Rio Tinto Finance (USA) Inc: (LEI: 875500ZLU9FC9N2OUE63)