Turquoise Hill Postpones Special Meeting of Shareholders to November 15, 2022

Turquoise Hill Resources Ltd. (TSX: TRQ) (NYSE: TRQ) (“Turquoise Hill” or the “Company”) has postponed the special meeting of Turquoise Hill shareholders (the “Special Meeting”) to November 15, 2022, at 10:30 a.m. (Eastern time) to consider the special resolution to approve the proposed statutory plan of arrangement pursuant to which, subject to the satisfaction or waiver of all applicable conditions precedent, Rio Tinto International Holdings Limited (“Rio Tinto”) will acquire the approximately 49% of the issued and outstanding common shares of Turquoise Hill that Rio Tinto and its affiliates do not currently own (the “Minority Shares”) for C$43.00 per share in cash (the “Arrangement”). The Special Meeting was originally scheduled for November 1, 2022 and was subsequently postponed to November 8, 2022.

The postponement is at the request of Rio Tinto. Rio Tinto has advised the Company that it is making its request for a postponement at the request of the Autorité des marchés financiers (“AMF”). Rio Tinto is engaged in ongoing discussions with Turquoise Hill’s Special Committee of independent directors and the AMF with respect to dissent rights and procedures available to holders of Minority Shares.

The record date for determining the shareholders eligible to vote at the Special Meeting will remain the close of business on September 19, 2022 (the “Record Date”). Unless they are revoked, all votes previously cast will remain in their current form, however, all holders as of the Record Date will have the opportunity to vote by proxy, or amend a previously submitted vote, until the extended deadline of 10:30 a.m. (Eastern time) on November 11, 2022. In addition, the deadline for registered shareholders to file notices of dissent has been extended to 4:00 p.m. (Eastern time) on November 11, 2022.

The agenda for the Special Meeting remains unchanged.

Questions

If you have any questions about voting your proxy and the information contained in this press release in connection with the Special Meeting of shareholders please contact our proxy solicitation agent and strategic shareholder advisor, Kingsdale Advisors, at 1-888-370-3955 (toll-free in North America), or by calling collect at 416-867-2272 (outside of North America) or by email at [e-mail].