Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 0

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 0
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TABLE OF CONTENTS

#### Filed Pursuant to Rule 424(b)(5)​

#### Registration No. 333-271670​

### PROSPECTUS SUPPLEMENT
**(To Base Prospectus dated May 5, 2023)**

#### Rio Tinto Finance (USA) plc

#### U.S.$500,000,000 4.375% Notes due 2027

#### U.S.$750,000,000 4.500% Notes due 2028

#### U.S.$1,750,000,000 4.875% Notes due 2030

#### U.S.$1,250,000,000 5.000% Notes due 2032

#### U.S.$1,750,000,000 5.250% Notes due 2035

#### U.S.$1,750,000,000 5.750% Notes due 2055

#### U.S.$750,000,000 5.875% Notes due 2065

#### U.S.$500,000,000 Floating Rate Notes due 2028

#### Fully and unconditionally guaranteed by

#### Rio Tinto plc

#### and

#### Rio Tinto Limited
The securities offered by this prospectus supplement comprise the U.S.$500,000,000 4.375% notes due 2027 (the “2027 Notes”), U.S.$750,000,000 4.500% notes due 2028 (the “2028 Notes”), U.S.$1,750,000,000 4.875% notes due 2030 (the “2030 Notes”), U.S.$1,250,000,000 5.000% notes due 2032 (the “2032 Notes”), U.S.$1,750,000,000 5.250% notes due 2035 (the “2035 Notes”), U.S.$1,750,000,000 5.750% notes due 2055 (the “2055 Notes”), U.S.$750,000,000 5.875% notes due 2065 (the “2065 Notes”) and the U.S.$500,000,000 floating rate notes due 2028 (the “Floating Rate Notes”, and together with the 2027 Notes, the 2028 Notes, the 2030 Notes, the 2032 Notes, the 2035 Notes, the 2055 Notes and the 2065 Notes, the