Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 16

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 16
---
 and deposited with The Bank of New York Mellon, as depositary. You will hold a beneficial interest in the Notes through DTC in book-entry form. Indirect holders trading their beneficial interest in the Notes through DTC must trade in DTC’s same-day funds settlement system and pay in immediately available funds. Secondary market trading through Euroclear and Clearstream, Luxembourg will occur in the ordinary way following the applicable rules and operating procedures of Euroclear and Clearstream, Luxembourg.

#### Denomination
The Notes will be issued in minimum denominations of U.S.$2,000 and integral multiples of U.S.$1,000 in excess thereof.

#### Trustee and Paying Agent
The Bank of New York Mellon

#### Listing
Application will be made to list the Notes on the New York Stock Exchange.

#### Governing Law
The Indenture (as defined below), the Notes and the guarantees will be governed by the laws of the State of New York.

#### Use of Proceeds
We expect to receive net proceeds (after underwriting discounts and commissions, estimated offering expenses and underwriting reimbursements) from this offering of approximately U.S.$8,914,490,500. We intend to use the net proceeds for general corporate purposes, including to repay debt incurred pursuant to that certain Bridge Loan Facility, dated 15 November 2024, among Rio Tinto plc, Rio Tinto Limited, Rio Tinto Finance plc, and the banks and financial institutions named therein (the “Bridge Loan Facility”) in order to finance the acquisition of Arcadium Lithium plc by Rio Tinto BM Subsidiary Limited, an indirect wholly owned subsidiary of Rio Tinto plc. Approximately U.S.$7 billion in aggregate principal amount of indebtedness, which bears interest at an average annual rate of SOFR plus 52 basis points, which was incurred pursuant to the Bridge Loan Facility, is intended to be repaid with the proceeds of issuance of the Notes. See “Use of Proceeds” and “Underwriting”.

<div align='center'>S-12</div>

TABLE OF CONTENTS

#### Risk Factors
You should carefully consider all of the information in this prospectus supplement and in the Base Prospectus (including the documents incorporated by reference in this Prospectus) and, in particular, the risks described under “Risk Factors” beginning on page S-14 of this prospectus supplement before deciding to invest in the Notes and “Item 3D Risk Factors” beginning on page 91 of our Annual Report on Form 20-F for