Company: RTNTF
Filing Date: 2025-02-20
Form Type: 20-F
Source: 0001628280-25-006642
Chunk: 450

Company: RIO TINTO LTD
Filing Date: 2025-02-20
Form: 20-F
Chunk 450
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 Iron Ore continued

| PropertyAustralian PilbaraOperationsMineHope Downs 1Ownership50% Rio Tinto50% HancockProspecting Pty LtdOperatorRio TintoLocationPilbara region,Western Australia |     | Property description/type of mineAll mines operated by Rio Tinto within the property are open pitmines. The mining method employed uses conventionalsurface mining, where shovels and loaders are used to loaddrilled and blasted material into trucks for removal to wastedumps or feed to process plants.In addition to mining activities, Rio Tinto conducts bothexploration and development drilling across the property.This Property is considered a production stage property forSK-1300 reporting purposes.Type of mineralisationMineralisation at Hope Downs 1 occurs as goethite/haematitewithin the banded iron formations of the Marra Mamba andhaematite/goethite within the banded iron formation of theBrockman Formation. Some detrital mineralisation also occurs.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |     | Processing plants and other available facilitiesOre from Hope Downs 1 is processed through the Hope Downs1 processing plant, which utilises dry crushing and screening toproduce lump and fines iron ore products.The processing plants within the Hamersley Iron network varyconsiderably in age, and many plants have been subject tobrownfields development since original construction. All plantsare subject to an ongoing regime of sustaining capitalinvestment and maintenance, underpinned by asset integrityaudits, engineering inspections, engineering life cycles for keyequipment and safety inspections and audits.Power sourceSupplied through the integrated Hamersley and Robe powernetwork operated by Pilbara Iron.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| PropertyAustralian PilbaraOperationsMineHope Downs 4Ownership50% Rio Tinto50% HancockProspecting Pty LtdOperatorRio TintoLocationPilbara region,Western Australia |     | Access and infrastructureAccess and infrastructure within the property includes:–a network of sealed and unsealed roads connecting to publicroads and highways–public and Rio Tinto-operated airports–a Hamersley and Robe owned integrated heavy haulage railnetwork, operated by Pilbara Iron comprising nearly2,000km of rail, rail cars and locomotives–four shipping terminals, located at Dampier and CapeLambert and managed as a single port system–water piping networks for both abstracted water and supplyof fresh water to sites–managed accommodation villages for FIFO sites–tailings storage facilities at several mine sites.All assets are subject