EXHIBIT 99.4

Notice to ASX/LSE

Shareholdings of persons discharging managerial responsibility (PDMR) / Key Management Personnel (KMP)

8 March 2024

As part of its dual listed company structure, Rio Tinto notifies dealings in Rio Tinto plc and Rio Tinto Limited securities by PDMRs/KMPs to both the London Stock Exchange (LSE) and the Australian Securities Exchange (ASX).

Dean Dalla Valle (a PDMR/KMP), acquired Rio Tinto Limited shares as follows:

Number of Shares Acquired	Price Per Share AUD	Date Acquired
40	123.000	6 March 2024
82	120.920	7 March 2024
41	120.999	7 March 2024

LEI: 213800YOEO5OQ72G2R82

Notice to ASX/LSE    2 / 2

Contacts

Please direct all enquiries to media.enquiries@riotinto.com

Media Relations, United Kingdom Matthew Klar M +44 7796 630 637 David Outhwaite M +44 7787 597 493	Media Relations, Australia Matt Chambers M +61 433 525 739 Jesse Riseborough M +61 436 653 412 Alyesha Anderson M +61 434 868 118 Michelle Lee M +61 458 609 322	Media Relations, Americas Simon Letendre M +1 514 796 4973 Malika Cherry M +1 418 592 7293 Vanessa Damha M +1 514 715 2152
Investor Relations, United Kingdom Menno Sanderse M +44 7825 195 178 David Ovington M +44 7920 010 978 Laura Brooks M +44 7826 942 797	Investor Relations, Australia Tom Gallop M +61 439 353 948 Amar Jambaa M +61 472 865 948
Rio Tinto plc 6 St James’s Square London SW1Y 4AD United Kingdom T +44 20 7781 2000 Registered in England No. 719885	Rio Tinto Limited Level 43, 120 Collins Street Melbourne 3000 Australia T +61 3 9283 3333 Registered in Australia ABN 96 004 458 404

This announcement is authorised for release to the market by Andy Hodges, Rio Tinto’s Group Company Secretary.

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