Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 8

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 8
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 in delivering growth, production, cash or market positioning; damage to Rio Tinto’s relationships with communities and governments; an inability to attract and retain requisite skilled people; declines in commodity prices and adverse exchange rate movements; an inability to raise sufficient funds for capital investment; inadequate estimates of ore resources and reserves; delays or overruns of large and complex projects; changes in tax regulation; changes in environmental, social and governance reporting standards; safety incidents or major hazard events; cyber breaches; physical impacts from climate change; the impacts of water scarcity; natural disasters; an inability to successfully manage the closure, reclamation and rehabilitation of sites; the impacts of civil unrest; breaches of Rio Tinto’s policies, standards and procedures, laws or regulations; trade tensions between the world’s major economies; increasing societal and investor expectations, in particular with regard to environmental, social and governance considerations; the impacts of technological advancements; and such other risks identified in Rio Tinto’s Annual Report on Form 20-F for the year ended December 31, 2024 filed with the SEC.

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Forward-looking statements should, therefore, be construed in light of such risk factors and undue reliance should not be placed on forward-looking statements. These forward-looking statements speak only as of the date of this prospectus supplement. Rio Tinto expressly disclaims any obligation or undertaking (except as required by applicable law, the UK Listing Rules, the Disclosure Guidance and Transparency Rules of the Financial Conduct Authority and the Listing Rules of the Australian Securities Exchange) to release publicly any updates or revisions to any forward-looking statement contained herein to reflect any change in Rio Tinto’s expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based.

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### THE OFFERING
The following summary highlights information contained elsewhere in this prospectus supplement and the Base Prospectus. It may not contain all information that you should consider before investing in the Notes. You should read “Description of Guaranteed Notes” beginning on page S-23 of this prospectus supplement and “Description of Guaranteed Debt Securities” beginning on page 11 of the Base Prospectus for more detailed information about the Notes.

#### 2027 Notes

#### Stated Maturity
March 12, 2027

#### Principal Amount of Notes Being Issued
U.S.$500,000,000

#### Issue Price
99.864%

#### Interest Rate
4.375%

#### Date