©2024, Rio Tinto, All Rights Reserved 59 Our project commitments are taking hold Commitments to abatement projects2 tCO2e equity basis Marginal Abatement Cost3 $/t CO2e 19
©2024, Rio Tinto, All Rights Reserved 60 Responsible investment today and a technology focus for the future Decarbonisation project pipeline (Mt CO2e, equity basis) Approved/ in-execution Executable Pilot scalePartnering with government Proof of concept -200 -100 0 100 200 300 400 500 M A C 1 ( $ /t ) RBM PPA BlueSmelting™ pilot OT RECs 1Mt CO2 abatement Boyne repowering Commercial transactions Transformational Industry breakthroughs Pilbara renewables H2 calcination pilot Renewable Energy Diesel Transition Minerals Processing Alumina Processing PacOps Repowering Aluminium Anodes Other 6+1 upside KUC renewable diesel Robust evaluation approach • Our path to 2030 is built on defined projects with value assessed in different future scenarios • Projects progress through pipeline using abatement cost and schedule considerations PacOps repowering • Working with the evolving Australian energy market for an industry-competitive, low-carbon energy solution R&D focus • Half our emissions will require technology breakthroughs to develop viable solutions • We continue to invest in our industry leadership position to address hard to abate processing emissions 1MAC = Marginal Abatement Cost
Commercial transactions ©2024, Rio Tinto, All Rights Reserved 61 2023 decarbonisation progress ELYSIS™ carbon-free aluminium anodes Transformational Repowering Pacific Operations • Low-carbon energy solutions progressing with key stakeholders Reducing baseload energy requirements • Piloting double digestion at QAL refinery Electric fleet development and trials • Pilbara battery-electric haul truck pilots Renewable energy • Committed renewable energy and certificates in Australia, South Africa and Mongolia • Yindjibarndi Energy Corporation partnership Drop-in biofuels • Replace fossil diesel consumption with renewable diesel at Boron (2023) and Kennecott (2024) Industry breakthroughs RTIT BlueSmelting™ demonstration plantYarwun hydrogen calcination
©2024, Rio Tinto, All Rights Reserved 62 Pathway to 2030 target under our decarbonisation programmes 34.5 10 20 30 40 2030 Forecast commitments under construction at 2030 PacOps Electricity 26% 2018 baseline Net movement Other Electricity 15% 2030 target (50%) Diesel 14% 2025 target (15%) Min. Proc. 6% Alumina Process Heat 18% Aluminium Anodes 21% 2023 actual 2022-2023 commitments under construction/ development 2024-2030 pipeline PacOps repowering Other required2 Organic growth Other Elec 11% Diesel 24% Min. Proc. 12% Alumina Proc. 15% 32.6 1.7 17.3 Aluminium Anodes 36% -50% Final schedule dependent on competitive solution Mt CO2e equity basis1 1Restated emissions due to scope 2 methodology changes. Data represents ‘gross’ Scope 1&2 emissions and direct abatement projects | 2‘Other required’ will flex over time based on abatement project delivery, growth, closures and asset changes
Commercial transactions Transformational ©2024, Rio Tinto, All Rights Reserved 63 Roadmap to net zero Mt CO2e equity basis 1Electricity abatement assumes commercial solutions (Power Purchase Agreements, Renewable Energy Certificates) to be rolled over upon conclusion of contract terms or alternative abatement projects implemented | 2Aluminium anodes abatement shown illustratively as linear decline throughout 2040s, timing of ELYSISTM deployment to be defined | 3High quality offsets include regulated compliance and voluntary offsets from our nature-based projects | 4Baseline emissions extended post-2040 using assumed asset life extensions Requires • Industrial scale ELYSIS™ • Zero carbon firming • Full fleet electrification • Hydrogen calcination • BlueSmelting™ -10 -5 0 5 10 15 20 25 30 35 40 2018 2030 2040 20502022 Renewable Energy1 Diesel Transition Minerals Processing Alumina Processing PacOps Repowering KUC renewable diesel RBM PPAs QAL double digestion BSL repowering Industry breakthroughs Aluminium Anodes2 Nature-based Solutions3 Organic growth without decarbonisation4 We remain committed to our 2030 targets, with the repowering of our Australian aluminium assets to play a significant role Trajectory to net zero driven by ability to prove and scale- up technology breakthroughs for hard to abate processes We believe nature-based solutions play a role in addressing climate change and nature loss Pilbara renewable diesel Alumina processing electrification Global renewable energy penetration Tomago repowering OT renewables ELYSISTM
©2024, Rio Tinto, All Rights Reserved 64 Decarbonisation investment pathways continue to evolve Decarbonisation pipeline (Mt CO2e, equity basis) Approved/ in-execution Executable Pilot scalePartnering with government Proof of concept -300 -200 -100 0 100 200 300 400 500 600 M A C ( $ /t ) Commercial solutions (opex) Capital solutions 1Mt abatement Capital allocation driven by NPV/MAC, execution readiness, asset strength Greater use of commercial solutions and partnerships are easing capex requirements this decade Major fleet electrification expected post-2030 Total capex guidance to 2030 revised to $5-6bn1,2 RBM PPA BlueSmelting™ pilot OT RECs KUC renewable diesel Boyne Repowering Pilbara renewables H2 calcination 1Excludes capitalised voluntary offset costs and compliance based offset costs (e.g. Australian Safeguard mechanism ACCUs), estimated at ~$1bn to 2030. Rio Tinto nature-based solutions are opex as project funding does not meet accounting capitalisation criteria | 2Excludes costs expensed to the income statement associated with early-stage R&D and studies Nature-based solutions • Development connected to our operating regions ~5% -%1 Capital solutions • Onsite renewables • Alumina process heat • Renewable diesel ~25-30% ~90% 2023-2030 capex % 2030 CO2e abatement % Commercial solutions • PPAs, VPPAs, RECs • Biofuels ~65-70% ~10%
©2024, Rio Tinto, All Rights Reserved 65 Investment to de-risk from carbon legislation and reduce opex Capital solutions2 Commercial solutions2 Legislated carbon penalty avoidance Net free cash flow Incremental carbon saving 2°C global carbon scenario3 Net free cash flow Annual average net operating costs ($m) from decarbonisation programme1 3-5% IRR pre-tax, real 10-13% IRR pre-tax, real 1Annual average net operating costs reflect average cost savings / incremental costs over the period 2024-2039, recognising timing differences in delivery of projects and variability in underlying cash flows | 2Capital solutions relate to portfolio projects with large-scale upfront capital investment. Commercial solutions relate to projects delivered through contractual mechanisms | 3Modelled using Rio Tinto’s Competitive Leadership scenario Increasing influence of carbon pricing • ~50% of our emissions are now in scope for legislated carbon penalties • Costs not material in 2023, but will have greater impact as transitionary arrangements unwind • Uncertain future carbon pricing provides enhanced returns for decarbonised assets Reducing cost volatility • Fossil fuels account for ~16% of operating costs • Decarbonisation provides an opportunity to replace this volatility with long term stability
©2024, Rio Tinto, All Rights Reserved 66 500,000+ hectares of land committed to high integrity nature-based solutions globally by 2025 Sourcing and investing in high-quality nature-based solutions projects to meet compliance requirements (e.g. Safeguard Mechanism) or complement our development portfolio Developing long-term partnerships that provide additional support to projects and guarantee credits offtake Developing nature- based solutions in our operating regions Building nature-based solutions partnerships Developing high integrity projects in Guinea, Madagascar and South Africa Aiming for 1 Mtpa development portfolio by 2030 – pilots advanced in Madagascar, opportunities to replicate in Guinea and South Africa in 2024 Addressing nature loss, climate change and community challenges Financing urgent nature protection and restoration Generating high quality carbon credits to complement our decarbonisation efforts
©2024, Rio Tinto, All Rights Reserved 67 Value chain emissions: 2023 Scope 3 (equity basis)
©2024, Rio Tinto, All Rights Reserved 68 Specific, action-oriented Scope 3 targets 1Subject to funding approval and technical feasibility | 2First Movers Coalition Engage with top 50 emitting suppliers on emissions reduction Decarbonisation as evaluation criteria for all new sourcing in high emitting categories in 2024 Advance customer partnerships driving decarbonisation in 2024, advance and share improvements in the refining process (R&D) Procurement Alumina Marine Steel Support customers to reduce emissions from BF 20-30% by 2035 Target a 50% reduction in Scope 3 (7 Mt) from IOC by 20351 Commission Biolron™ Continuous Pilot Plant by 20261 Deliver a DRI + electric smelting furnace pilot plant by 2026 in partnership with a steelmaker1 Finalise study on a beneficiation pilot plant in the Pilbara by 2026 Achieve 50% emissions intensity reduction by 2030 FMC2 pledge of 10% of time charters net zero fuel capability by 2030 Improve reporting – use actual voyage data for 95%+ of shipments in 2024
69 Work is underway across a suite of new low CO2 technologies suitable for Pilbara ores Notes: BOF: Basic Oxygen Furnace. DR-EAF: Direct Reduction - Electric Arc Furnace. ESF: Electric Smelting Furnace ©2024, Rio Tinto, All Rights Reserved
Exploration ©2024 Rio Tinto, All Rights Reserved 70
Extensive network of partners ©2024, Rio Tinto, All Rights Reserved 71 Building on our history and enabling growth World-class exploration team ~$400m annual spend ~$250m1 annual spend 450 employees 18 countries 8 commodities >100 projects in pipeline >50% of spend targeted at copper >70 years of experience R&D and data analytics to accelerate discovery Strong technology and R&D pedigree 1Greenfield exploration expenditure | 2Over 10 years 5 key focus areas for R&D Venture capital investments for agility Innovation Advisory Committee $150m for Centre for Future Materials2
©2024, Rio Tinto, All Rights Reserved 72 We have more than 100 projects at varying stages of maturity Our pipeline focus is on the most promising opportunities Copper Diamonds Lithium Minerals Iron Ore BauxiteNickel Generative Pilbara Iron Ore 26 Copper projects Australia, USA, Chile, Peru, Colombia, Serbia, Zambia, Laos, Angola, PNG, Kazakhstan, Namibia 1 Heavy Mineral Sands (HMS) project Australia 7 Nickel projects Canada, Finland, Peru, Brazil, Australia 14 Lithium projects Canada, USA, Australia, Chile. Brazil. Rwanda, Kazakhstan Nuevo Cobre Copper, Chile Minerals project Canada B ro w n fi e ld G re e n fi e ld Target Testing Project of Merit Concept Study Copper Generative Minerals Generative Nickel Generative Lithium Generative Chiri Diamonds, Angola Kasiya Rutile, Malawi Texas Potash, Canada Kamiesberg HMS, South Africa Iron Ore projects Australia Iron Ore projects AustraliaLithium project USA Bauxite projects Australia Copper projects USA Iron Ore targets Australia Discovery
©2024, Rio Tinto, All Rights Reserved 73 Our new joint venture with Codelco: Nuevo Cobre World class copper terrain; unique strategic partnership 57.74% Rio Tinto 42.26% Codelco High potential for a significant porphyry discovery in the fourth largest copper district in the world (Atacama region, Chile) Property previously explored for gold, with existing gold oxide resources present Historical data review has indicated underexplored copper resources as well as upside copper targets - delineation work ongoing >440 km of drilling completed with ~7% analysed for copper. Environmental baseline monitoring and permitting commenced
NutonTM ©2024 Rio Tinto, All Rights Reserved 74
Yerington Lion CG ©2024, Rio Tinto, All Rights Reserved 75 NutonTM A high-recovery and low-footprint technology Outstanding copper recovery rates: CO2e emissions up to 60% lower Water consumption >80% more efficient Tailings requirement None Capital intensity >40% lower Cactus ASCU Los Azules McEwen Antakori Regulus Johnson Camp Excelsior Escondida BHP Commercial demonstration Viability study and testing Leading sustainability credentials High-performing technology: Multiple applications up to 85% on primary copper sulphide ore bodies Aim to produce world’s lowest footprint copper across our five pillars, and stretch to have a positive impact in at least one: SocietyMaterialsLandWaterEnergy Partnering with resource holders to access copper volumes 6 Partnerships 4 Countries Partnership approach: Key differentiators Portfolio today 01 02 1Will vary depending from site to site, ore characteristics and operating environment. Rio Tinto analysis. Nuton’s performance1 vs. conventional concentrating/smelting A Rio Tinto venture
A Rio Tinto venture Asset/ company Current investment/agreement Key terms/ Nuton rights Johnson Camp Mine, AZ Excelsior Mining Inc. (TSX) Option to JV Agreement Agreement with full pathway on demonstration and deployment • Testing programme underway • Option to earn up to 49% in JV Co with marketing rights Yerington, NV Lion Copper & Gold Corp (TSX-V) Option to Earn-in Agreement Stage 2 in progress • Testing programme underway • Option to earn up to 75%, with operating and marketing rights Cactus Mine, AZ Arizona Sonoran (ASCU) (TSX-V) Own 7.2% ASCU Investor Rights Agreement Option to JV Agreement • Testing programme underway • Option to earn up to 40% in JV Co with marketing rights (subject to conditions) • Technical Committee member Los Azules, Argentina McEwen Copper (Private) Own 14.5% McEwen Copper Nuton Collaboration Agreement • Testing programme underway • McEwen Copper Board member • Nuton collaboration committee representative • Exclusivity over heap-leach technologies until February 2025 AntaKori, Peru Regulus Resources (REG) (TSX-V) Own 16.1% Regulus Investor Rights Agreement • Testing programme underway • REG Board seat, Technical Committee representative Escondida, Chile BHP/ RT/ JECO Material Testing Agreement Escondida Participation Agreement • Nuton testing programme underway ©2024, Rio Tinto, All Rights Reserved 76 The Nuton portfolio today
©2024, Rio Tinto, All Rights Reserved 77 Common acronyms $ United States dollar CO2 Carbon dioxide FMC First Movers Coalition Mtpa Million tonnes per annum RTA Rio Tinto Aluminium $A Australian dollar CO2e Carbon dioxide equivalent FOB Free On Board MW Megawatt RTIT Rio Tinto Iron and Titanium $C Canadian dollar CP Chloride grade FY Full Year MWh Megawatt hour RTM Rio Tinto Marines € Euro Cps Cents per share GHG Greenhouse gas MWP Midwest premium S&P Standard & Poor’s ACCUs Australian carbon credit units CSP Communities and Social Performance GJ Gigajoules Ni Nickel SPS Safe Production System AIFR All Injury Frequency Rate CTG Compagnie du TransGuinéen H2 Hydrogen NPV Net present value T Tonne Al Aluminium Cu Copper HBI Hot briquetted iron OT Oyu Tolgoi tCO2 Tonne of carbon dioxide ASX Australian Securities Exchange CuEq Copper equivalent IOC Iron Ore Company of Canada P&L Profit and loss tCO2 e Tonne of carbon dioxide equivalent AUD Australian dollar dmt Dry Metric Tonne IRR Internal rate of return Pa Per annum TiO2 Titanium dioxide B2O3 Boric oxide dmtu Dry Metric Tonne Unit JV Joint Venture PacOps Rio Tinto Pacific Operations TSV Transhipment vessel bbl one barrel DR Direct Reduction km kilometre PNG Papua New Guinea UG Underground BF Blast furnace DRI Direct Reduction Iron Kt Kilo tonnes PP Percentage point US United States bn Billion E&E Exploration and Evaluation Ktpa Kilo tonnes per annum PPA Power Purchasing Agreement USD United States dollar BOF Blast Oxygen Furnace EAF Electric Arc Furnace KUC Kennecott Utah Copper PPE Plant. Property & Equipment VAP Value-added product BSL Boyne Smelter Limited EAU Equity accounted unit L Litre QAL Queensland Alumina Limited VPPA Virtual power purchase agreement Bt Billion tonnnes EBITDA Earnings Before Interest, Taxes, Depreciation and Amortisation Li Lithium R&D Research and Development WCS Winning Consortium C Celcius ESF Electric Smelting Furnace LME London Metal Exchange RBM Richards Bay Minerals Wmt Wet metric tonne c/lb US cents per pound ESG Environmental, Social, and Governance M Millions REC Renewable Energy Certificate YoY Year on Year Capex Capital expenditure EU European Union M&A Mergers and Acquisitions RHS Right hand side YTD Year to date CCUS Carbon capture, utilisation and storage EV Electric Vehicle MAC Marginal Abatement Cost RMB Renminbi CFR Cost and freight F Forecast MACC Marginal Abatement Cost Curve ROCE Return on capital employed CIOH Chinalco Iron Ore Holdings Consortium FAI Fixed Asset Investment Mmbtu one million British thermal units RT Rio Tinto CNY Chinese Yuan Renminbi Fe Iron Mt Million tonnes RT Share Rio Tinto share Definitions Calculated abatement carbon price The levelised marginal cost of abatement at a zero carbon price Calculation: Discounted sum of all abatement costs over time at a zero carbon price / Discounted sum of all abated emissions over time Discounted at the hurdle rate RT uses for all investment decisions