Rio Tinto Plc Watch

ended 12/31/23 FY 2023

ended 12/31/21 FY 2021 – amended

ended 12/31/22 FY 2022

ended 12/31/21 FY 2021

ended 12/31/20 FY 2020

Automatic shelf registration

Registration of securities on exchange

Prospectus for primary offering

Free writing prospectus

Free writing prospectus

BlackRock Finance, Inc.

Western Copper and Gold Corporation

BlackRock Finance, Inc.

Turquoise Hill Resources Ltd

Turquoise Hill Resources Ltd

Total Voting Rights and Issued Capital

Total Voting Rights and Issued Capital

Material disclosure

Commission File Number: 001-10533 Commission File Number: 001-34121 Rio Tinto Plc RIO Tinto Limited Abn 96 004 458 404 (Translation of Registrant’s Name Into English) (Translation of Registrant’s Name Into English) 6 St. James’s Square Level 43, 120 Collins Street London, Sw1y 4ad, United Kingdom Melbourne, Victoria 3000, Australia (Address of Principal Executive Offices) (Address of Principal Executive Offices) Indicate by Check Mark Whether the Registrant Files or Will File Annual Reports Under Cover of Form 20-F or Form 40-F: Form 20-F ☒ Form 40-F ☐ Exhibits

Material disclosure

Additional info about upcoming vote

Additional info about upcoming vote

Letter to shareholders

Conflict Minerals disclosure

Conflict Minerals disclosure

Notice required by Iran Threat Reduction and Syria Human Rights Act of 2012

Conflict Minerals disclosure