Turquoise Hill Resources Ltd. 

Period: 07/17/2018 to 07/31/2019
Lead Plaintiff Deadline: 12/14/2020


A securities class action has been filed against Turquoise Hill Resources Ltd.  (TRQ) on behalf of a class (the “Class”) consisting of all persons other than Defendants who purchased or otherwise acquired the securities of Turquoise Hill between July 17, 2018 through July 31, 2019.  This case has been filed in the USDC – S.D.N.Y.

Turquoise Hill is an international mining company focused on the operation and development of the Oyu Tolgoi copper-gold mine in Southern Mongolia (“Oyu Tolgoi”), which is the Company’s principal and only material resource property.  Turquoise Hill’s subsidiary, Oyu Tolgoi LLC, holds a 66% interest in Oyu Tolgoi, and the remainder is held by the Government of Mongolia.

Rio Tinto plc and Rio Tinto Limited are operated and managed together as single economic unit and engage in mining and metals operations in approximately 35  countries. Through their subsidiaries, Rio Tinto owns 50.8% of Turquoise Hill. A Rio Tinto subsidiary, Rio Tinto International Holdings, Inc. (“Rio Tinto International” or “RTIH”; and collectively with Rio Tinto plc and Rio Tinto Limited, “Rio Tinto”), is also the manager of the Oyu Tolgoi project, including having responsibility for its development and construction.


The Complaint alleges that during  the  Class  Period,  Defendants  made  materially  false  and  misleading statements  and  omitted to  disclose  material  facts  regarding  the  Company’s  business  and operations.   Specifically, Defendants made false and or misleading statements and/or failed to disclose that: (i) the progress of underground development of Oyu Tolgoi was not proceeding as planned; (ii) there were significant undisclosed underground stability issues that called into question the design of the mine, the projected cost and timing of production; (iii) the Company’s publicly disclosed estimates of the cost, date of completion and dates for production from the underground mine were not achievable; (iv) the development capital required for the underground development of Oyu Tolgoi would cost substantially more than a billion dollars over what the Company had represented; and (v) Turquoise Hill would require additional financing and/or equity to complete the project.