Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 457

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 457
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 Tolgoi LLC, THR Oyu Tolgoi Ltd. (formerlyIvanhoe Oyu Tolgoi (BVI) Ltd.), Oyu Tolgoi Netherlands B.V.and Erdenes MGL LLC, as amended and restated on 2October 2023 (ARSHA). Erdenes MGL LLC since transferredits shares in Oyu Tolgoi LLC and its rights and obligationsunder the ARSHA to its subsidiary, Erdenes Oyu Tolgoi LLC.Power Source Framework Agreement dated 31 December2018, between the Government of Mongolia and Oyu TolgoiLLC, as amended on 18 June 2020.Electricity Supply Agreement dated 26 January 2022, betweenSouthern Region Electricity Distribution Network SOSC,National Power Transmission Grid SOSC, National DispatchingCenter LLC and Oyu Tolgoi LLC.In terms of key government permits, Oyu Tolgoi LLC secured aland use permit until 2036 and water use permit until 2039 aswell as the mineral rights. |     | HistoryOyu Tolgoi was first discovered in 1996. Construction began inlate 2009 after the signing of an Investment Agreement with theGovernment of Mongolia, and the first concentrate wasproduced in 2012. First sales of copper concentrate were madeto Chinese customers in 2013.The first drawbell of the Hugo North underground mine wasfired in 2022. In December 2022, Rio Tinto acquired 100%ownership of TRQ. Sustainable production from undergroundcommenced in March 2023.Property description/type of mineMineral Reserves have been reported at the Oyut and HugoNorth Deposits. The Oyut deposit is currently mined as an openpit using a conventional drill, blast, load, and haul method. TheHugo North deposit is currently being developed as anunderground mine.This Property is considered a production stage property forSK-1300 reporting purposes.Type of mineralisationConsists of a series of porphyry deposits containing copper,gold, silver, and molybdenum.Processing plants and other available facilitiesOne copper concentrator with a nominal feed capacity of 100ktpdcurrently comprising 2 SAG mills, 4 ball mills, rougher and cleanerflotation circuits and up to 1Mtpa copper concentrate capacity.Other major facilities that support the isolated operations includemaintenance workshops, heating plant, sealed airstrip andterminal, and camp facilities with up to 6,000 person