EXHIBIT 99.6

Notice to ASX/LSE

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

12 May 2026

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 Australian Securities Exchange (ASX) and the London Stock Exchange (LSE).

Rio Tinto plc Dividend Reinvestment Plan

Rio Tinto plc offers a dividend reinvestment plan that gives shareholders the opportunity to use their cash dividends to buy Rio Tinto plc ordinary shares of 10p each in the market.

On 16 April 2026, the following PDMR / KMP acquired shares in Rio Tinto plc by way of reinvestment of dividends received on shares as follows:

Security			Name of PDMR / KMP			Number of Shares Acquired			Price Per Share USD
Rio Tinto plc ADRs			Nason, Jennifer			53			99.7850

FCA notifications in accordance with the EU Market Abuse Regulation have been issued to the London Stock Exchange contemporaneously with this release.

UK LEI: 213800YOEO5OQ72G2R82

AU LEI: 529900X2VMAQT2PE0V24

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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 Alyesha Anderson M +61 434 868 118 Rachel Pupazzoni M +61 438 875 469 Bruce Tobin   M +61 419 103 454			Media Relations, Canada Vanessa Damha M +1 514 715 2152 Malika Cherry M +1 418 592 7293 Media Relations, US & Latin America Jesse Riseborough  M +1 202 394 9480
Investor Relations, United Kingdom Rachel Arellano M +44 7584 609 644 David Ovington M +44 7920 010 978 Laura Brooks   M +44 7826 942 797  Weiwei Hu   M +44 7825 907 230			Investor Relations, Australia Tom Gallop M +61 439 353 948 Eddie Gan-Och  M +61 477 599 714
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.

riotinto.com