Dimensional Fund Advisors Ltd. : Form 8.3 - RIO TINTO PLC & RIO TINTO LIMITED - Ordinary Shares

*AMENDMENT*

THIS FORM REPLACES FORM(S) FOR RIO TINTO PLC AND RIO TINTO LIMITED WHICH WERE PUBLISHED ON 16 JANUARY 2026 AT 10:25AM (UTC)

CHANGES MADE TO SECTIONS 1(C), 1(F) AND 2(A)

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the “Code”)

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.