Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 87

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 87
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, we will use the principal amount that would be due and payable on the voting date if the maturity of the debt securities were accelerated to that date because of a default.

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For debt securities whose principal amount is not known (for example, because it is based on an index), we will use a special rule for that security described in the prospectus supplement.

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TABLE OF CONTENTS

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For debt securities denominated in one or more foreign currencies or currency units, we will use the U.S. dollar equivalent.

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Debt securities will not be considered outstanding, and therefore not eligible to vote, if we have deposited or set aside in trust money for their payment or redemption. Debt securities will also not be eligible to vote if they have been fully defeased as described later under “— Defeasance and Covenant Defeasance — Defeasance and Discharge ”. ( Section 101 of the Base Indenture )

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We will generally be entitled to set any day as a record date for the purpose of determining the holders of outstanding debt securities that are entitled to vote or take other action under the indenture. In limited circumstances, the trustee will be entitled to set a record date for action by holders. If we or the trustee set a record date for a vote or other action to be taken by holders of a particular series, that vote or action may be taken only by persons who are holders of outstanding debt securities of that series on the record date and must be taken within 180 days following the record date or another period that we may specify (or as the trustee may specify, if it set the record date). We may shorten or lengthen (but not beyond 180 days) this period from time to time. ( Section 104 of the Base Indenture )

**Street name and other indirect holders should consult their banks or brokers for information on how approval may be granted or denied if we seek to change the indenture or the debt securities or request a waiver.**

#### Optional Tax Redemption
The debt securities of any series may be redeemed in whole but not in part, in the three situations described below. The redemption price for the debt securities will be equal to the principal amount of the debt securities being redeemed plus accrued interest and any additional amounts due on the date fixed for redemption. Holders must receive between 10 and 60 days’ notice before their debt securities are redeemed.

The first situation is where, as a result of a change in or amendment to any