EXHIBIT 99.8

Notice to ASX/LSE

17 May 2022

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

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

Management Share Awards (“MSA”) granted under the Rio Tinto 2018 Equity Incentive Plan

The MSA provides participants with a conditional right to receive Rio Tinto plc or Rio Tinto Limited shares, subject to continuous employment.

On 16 May 2022, the following PDMR / KMPs received vested MSA in the form of shares, of which sufficient were sold to pay applicable withholding tax and other deductions. The MSA included in this announcement were granted prior to the PDMR / KMP becoming a member of the Executive Committee.

Security	Name of PDMR / KMP	Conditional Award Granted	No: of Shares Vested*	No: of Shares Sold	Price per Share	No: of Shares Retained	Date of Transaction
Rio Tinto plc shares	Cunningham, Peter	1,325	1,589	762	53.70 GBP	827	16/05/2022
Rio Tinto Limited shares	Kaufman, Sinead	1,330	1,576	740	106.13 AUD	836	16/05/2022

*The number of shares vested includes additional shares calculated to reflect dividends declared during the vesting period on the original award granted.

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

LEI: 213800YOEO5OQ72G2R82

Classification: 3.1. Information disclosed under article 19 of the Market Abuse Regulation.

Contacts	Please direct enquiries to media.enquiries@riotinto.com
Media Relations, UK Illtud Harri M +44 7920 503 600 David Outhwaite M +44 7787 597 493 Media Relations, Americas Matthew Klar T +1 514 608 4429 Investor Relations, UK Menno Sanderse M: +44 7825 195 178 David Ovington M +44 7920 010 978 Clare Peever M +44 7788 967 877	Media Relations, Australia Jonathan Rose M +61 447 028 913 Matt Chambers M +61 433 525 739 Jesse Riseborough M +61 436 653 412 Investor Relations, Australia 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 7, 360 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 Steve Allen, Rio Tinto’s Group Company Secretary.

riotinto.com

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