Dimensional Fund Advisors Ltd. : Form 8.3 - RIO TINTO PLC-SPON ADR - Ordinary Shares

Key Information - Dimensional Fund Advisors Ltd. is acting as an investment advisor and disclaims beneficial ownership of the shares mentioned in the disclosure [1] Positions of the Person Making the Disclosure - Dimensional holds 1,778,291 shares of Rio Tinto plc ADR, representing 0.14% of the relevant securities [4][6] - There are no short positions disclosed for the relevant securities [4] Dealings - Dimensional sold 11 shares of Rio Tinto plc ADR at a price of 81.2050 USD per unit [10] - Dimensional also sold 1,919 shares of Rio Tinto plc ADR at a price of 81.3929 USD per unit [10] Other Information - There are no indemnity or option arrangements related to the relevant securities [16] - No agreements or understandings regarding voting rights or future acquisition or disposal of relevant securities have been disclosed [17]