Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 1

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 1
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% Notes due 2042        
 4.125% Notes due 2042        
 2.750% Notes due 2051        
 5.125% Notes due 2053        |     | RIO            |     | New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange 
 New York Stock Exchange |

| *  |     | Evidenced by American Depositary Receipts.  Each American Depositary Share Represents one Rio Tinto plc Ordinary Shares of 10p each.                           |
| ** |     | Not for trading, but only in connection with the listing of American Depositary Shares, pursuant to the requirements of the Securities and Exchange Commission |

<div align='center'>Securities registered or to be registered pursuant to Section 12(g) of the Act:</div>

| Title of Class |     | Title of Class Shares |
| None           |     | None                  |

<div align='center'>Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:</div>

| Title of Class |     | Title of Class of Shares |
| None           |     | None                     |

<div align='center'>Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period

covered by the annual report:</div>

| Title of each class         |     | Rio Tinto plc - Number |     | Rio Tinto Limited - Number |     | Title of each class  |
| Ordinary Shares of 10p each |     |          1,255,944,847 |     |                371,217,214 |     | Shares               |
| DLC Dividend Share of 10p   |     |                      1 |     |                          1 |     | DLC Dividend Share   |
| Special Voting Share of 10p |     |                      1 |     |                          1 |     | Special Voting Share |

<div align='center'>Indicate by check mark if the registrants are well-known seasoned issuers, as defined in rule 405 of the Securities Act.

Yes ☒ No ☐

If this report is an annual or transition report, indicate by check mark if the registrants are not required to file reports pursuant to

Section 13 or 15(d) of the Securities Exchange Act of 1934.

Yes