Company: RTNTF
Filing Date: 2025-03-13
Form Type: 424B5
Source: 0001104659-25-023282
Chunk: 55

Company: RIO TINTO LTD
Filing Date: 2025-03-13
Form: 424B5
Chunk 55
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042,000                      | ​ |
| SMBC Nikko Securities America, Inc.                | ​ | ​ | U.S.$ 26,042,000                      | ​ |
| TD Securities (USA) LLC                            | ​ | ​ | U.S.$ 26,042,000                      | ​ |
| DBS Bank Ltd.                                      | ​ | ​ | U.S.$  2,500,000                      | ​ |
| nabSecurities, LLC                                 | ​ | ​ | U.S.$  2,500,000                      | ​ |
| Natixis Securities Americas LLC                    | ​ | ​ | U.S.$  2,500,000                      | ​ |
| Scotia Capital (USA) Inc.                          | ​ | ​ | U.S.$  2,500,000                      | ​ |
| Westpac Banking Corporation                        | ​ | ​ | U.S.$  2,500,000                      | ​ |
| Total                                              | ​ | ​ | U.S.$500,000,000                      | ​ |

The underwriting agreement provides that the obligations of the underwriters to purchase the Notes included in this offering are subject to approval of legal matters by counsel and to other conditions. The underwriters are obligated to purchase all the Notes if they purchase any of the Notes. The underwriters propose to offer some of the Notes directly to the public at the public offering price set forth on the cover page of the prospectus supplement. After the initial offering of the Notes to the public, the representatives may change the public offering price and concessions.

S-42

TABLE OF CONTENTS

In connection with the offering, the underwriters may purchase and sell notes in the open market. These transactions may include over-allotment, syndicate covering transactions and stabilizing transactions. Over-allotment involves syndicate sales of notes in excess of the principal amount of notes to be purchased by the underwriters in the offering, which creates a syndicate short position. Syndicate covering transactions involve purchases of the Notes in the open market after the distribution has been completed in order to cover syndicate short positions. Stabilizing transactions consist of certain bids or purchases of Notes made for the purpose of preventing or retarding a decline in the market price of the Notes while the offering is in progress.

The underwriters also may impose a penalty bid. Penalty bids permit the underwriters to reclaim a selling concession from a syndicate member when they, in covering syndicate