Slide 1: Tailings and dams' management
Tailings and dams' management September 2022
Slide 2: Disclaimer
isclaime “This presentation may include statements that present Vale's expectations about future Agend events or results. All statements, when based upon expectations about the future and not on historical facts, involve various risks and uncertainties. Vale cannot guarantee that such statements wil
Slide 3: We improved our tailings and dam management considerably
Tailings and dams' management Strategic Planning Cycle 2023-2027 We improved our tailings and dam management considerably Routine System Performance Risk ▪ Hazard Identification and Risk Analysis (HIRA) for dams Our ambition ▪ Upstream dam World-class elimination program ▪ 3 Geotechnical New Tailing
Slide 4: Making progress with dam safety
Tailings and dams' management Strategic Planning Cycle 2023-2027 Making progress with dam safety Structures at emergency level No. of structures 35 33 4 31 29 3 3 7 3 8 6 6 24 22 22 9 20 4 5 2020 jan-21 dec-21 aug-22 dec-25E Center for Geotechnical Monitoring: Level 1 Level 2 Level 3 ▪ Video analyti
Slide 5: Level 3 dam's status
Tailings and dams' management Strategic Planning Cycle 2023-2027 Level 3 dam’s status No longer with access of people Total Evacuation of all people downstream B3/B4 – Advanced stage of de-characterization (~50%) Sul Superior – Beginning of tailings removal Forquilhas 3 – Advanced stage of engineeri
Slide 6: Backup dam for Sul Superior
Backup dam for Sul Superior 330m length 36m height 6
Slide 7: Use of remotely operated equipment to remove tailings in critical safety structures
Use of remotely operated equipment to remove tailings in critical safety structures B3/B4 dam 7
Slide 8: Eliminating upstream structures in Brazil
Tailings and dams' management Strategic Planning Cycle 2023-2027 Eliminating upstream structures in Brazil Eliminated upstream structures in Brazil Concluded Unit per year 40% 60% 3 30 9 eliminated since 20191 5 2 2 B3/B4: ~50% tailings 2 removed, and conclusion 5 4 anticipated to 20252 3 7 2 2019-2
Slide 9: 8B Dam decharacterization concluded 2019
8B Dam decharacterization concluded 2019 9
Slide 10: Fernandinho Dam de-characterization concluded 2021
Fernandinho Dam de-characterization concluded 2021 Vargem Grande Complex, Minas Gerais State, Brazil 10
Slide 11: Dike 4 - concluded in July/2022
Dike 4 - concluded in July/2022 11
Slide 12: New way to operate - investment in alternative systems to reduce tailings and the use of dams
Tailings and dams' management Strategic Planning Cycle 2023-2027 New way to operate - investment in alternative systems to reduce tailings and the use of dams Filtered Tailings Sand stockpile Brucutu site 12
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