South32 Ltd. · ASX:S32

South32 — Corporate Update (May 2025)

28 slides from South32's corporate update, May 20, 2025

  1. Slide 1: South32 Worsley Alumina Mine CLC Meeting

    SOUTH32 WORSLEY ALUMINA MINE CLC MEETING 20 May 2025

  2. Slide 2: Agenda

    AGENDA Item Description Presenter 1 Open meeting and note apologies G Cavanagh 2 Acknowledgement of Country South32 Read and accept previous minutes 3 G Cavanagh Review actions and responses 4 New member presentation – I. McPherson Worsley Business Update • South32 Update • Boddington Bauxite Mine 5

  3. Slide 3: Acknowledgment of Country

    Acknowledgment of Country I would like to acknowledge the Wilman people of the Noongar nation who are the Traditional Custodians of this land we meet on today. I would also like to pay my respect to all Elders past, present and emerging. 3

  4. Slide 4: Worsley Business Update

    WORSLEY BUSINESS UPDATE o Half Year Results February 2025 ▪ Aluminium production increased 5%; Copper production increased 16% ▪ FY25 production guidance remained unchanged, except for Mozal Aluminium where we continued to mitigate the impact of civil unrest in Mozambique ▪ GEMCO cyclone recovery ef

  5. Slide 5: Worsley Mine & Materials Update

    WORSLEY MINE & MATERIALS UPDATE Safety • Safety performance remains positive with key metrics all tracking in line with forecasts • Lead Safely Every Day (LSED) program continues o 95% completed Frontline workforce training; 95% LSED Leadership training • Worsley’s Refinery and Mine ERT collaborated

  6. Slide 6: Environment Discussion

    ENVIRONMENT DISCUSSION WHAT DO YOU WANT TO HEAR MORE ABOUT? Environment project Research updates Recent surveys Biodiversity Compliance to approvals Surface and groundwater GHG and Decarb Waste monitoring Rehabilitation Biodiversity initiatives Dust at Mine offsets Water abstraction ASI or GISTM Noi

  7. Slide 7: Biodiversity Update

    BIODIVERSITY UPDATE Part of our new approval requires us to survey every area we plan to clear for potential cockatoo hollow usage. This process requires: • Pre clearance survey to determine trees that would be suitable with minimum DBH requirements • Then each tree is checked with either a pole cam

  8. Slide 8: Rank 4

    RANK 4 Boddington CLC Meeting SLIDE 9

  9. Slide 9: Rank 3

    RANK 3 Boddington CLC Meeting SLIDE 10

  10. Slide 10: Rank 2

    RANK 2 Boddington CLC Meeting SLIDE 11

  11. Slide 11: Rank 1

    RANK 1 Boddington CLC Meeting SLIDE 12

  12. Slide 12: Fauna Monitoring Program

    FAUNA MONITORING PROGRAM • Another exciting program that is coming up on site is the annual fauna monitoring program at BBM. This year our surveys will be focused on our saddleback operation. This program is a 10 day trapping program. There is 11 site locations where the trapping will occur, with ea

  13. Slide 13: Worsley People Update

    WORSLEY PEOPLE UPDATE HR Key Activity ▪ Worsley engagement survey, "Your Voice" completed. 83% participation rate. Results not yet released. ▪ Inclusion and Diversity focus: Female participation has grown by 2% and female leadership has grown by 2.4% this financial year. ▪ Planning – recently commen

  14. Slide 14: Worsley Community Update

    WORSLEY COMMUNITY UPDATE Community Complaints • 22 complaints FY25, Q3 (15 complaints in Q2) • 22 complaints related to BBM o 11 complaints related to dust o 4 complaints related to noise o 2 complaints related excessive blasting notifications o 1 complaint related to dust from blasting activities o

  15. Slide 15: Local Voices Findings

    LOCAL VOICES FINDINGS Feb-March 2025 ‘Pulse’ Survey May 2025

  16. Slide 16: Overall Demographics

    OVERALL DEMOGRAPHICS South32 Worsley Alumina engaged Voconiq to conduct the Local Voice program, which enables community members to confidentially provide direct feedback and insights into the needs, concerns and priorities of the communities surrounding Worsley’s operations. These findings are a sn

  17. Slide 17: Overall Demographics Continued

    OVERALL DEMOGRAPHICS CONTINUED Footnote SLIDE 18

  18. Slide 18: Regions of Interest - Breakdown

    ~))) Regions of Interest - Breakdown VoconiQ” Engagement Science Insights Boddington Greater Bunbury Shire of Boddington Shire of Collie City of Bunbury Shire of Murray Shire of Wandering Shire of Capel Shire of Waroona Shire of Williams Shire of Dardanup Shire of Harvey Locations in ‘Other’? witchc

  19. Slide 19: Overall Trust & Acceptance Rating

    OVERALL TRUST & ACCEPTANCE RATING 2025 2024 3 3.34 (Out of 5) Footnote SLIDE 20

  20. Slide 20: Boddington-Wandering-Williams Participants

    BODDINGTON-WANDERING-WILLIAMS PARTICIPANTS Footnote SLIDE 21

  21. Slide 21: Boddington-Wandering-Williams Trust & Acceptance Rating

    BODDINGTON-WANDERING-WILLIAMS TRUST & ACCEPTANCE RATING 3.22 2.72 2.73 2.3 Footnote SLIDE 22

  22. Slide 22: Boddington-Wandering-Williams Community Belief

    BODDINGTON-WANDERING-WILLIAMS COMMUNITY BELIEF 1.96 2.3 2.93 out of 5 out of 5 out of 5 Agree that South32 is Agree South32 listens Agree South32 follows through prepared to change its and respects community on its commitment to my practices in response to opinions community community concerns. Comb

  23. Slide 23: Meeting Schedule 2025

    MEETING SCHEDULE 2025 Proposed meeting dates for 2025: • 20 May - Williams • 19 August - Quindanning • 18 November - Boddington Boddington CLC Meeting SLIDE 24

  24. Slide 24: South32

    SOUTH32

  25. Slide 25: Aluminium Stewardship Initiative

    ALUMINIUM STEWARDSHIP INITIATIVE • BIODIVERSITY & ECOSYSTEM SERVICES ASI Performance Standard: 8.1 a & b The entity shall: • a. Assess the risk to and potential impacts on Biodiversity & Ecosystem Services • b. Undertake a systematic review, in consultation with and with the participation of Affecte

  26. Slide 26: Aluminium Stewardship Initiative

    ALUMINIUM STEWARDSHIP INITIATIVE • Affected Populations ASI Performance Standard: 9.1c • A mapping of Affected Populations and Organisations to ensure Affected Populations and Organisations are: ⎯ I. Engaged by the Entity ⎯ II. Consulted about operational activities and potential significant Human R

  27. Slide 27: Tariffs

    TARIFFS • Of all the South32 commodities, only lead and nickel are subject to the universal/reciprocal tariffs. Copper, alumina, bauxite, aluminium, zinc concentrate, manganese ore, gold, and silver are exempt. • South32’s existing commodity books are not exposed to the new tariffs from either pass

  28. Slide 28: Other Secondary Approvals – Wider Proposal Area

    OTHER* SECONDARY APPROVALS – WIDER PROPOSAL AREA • Secondary approvals are approvals required from Government Agencies that will support the implementation of the Revised Proposal, examples of the approvals are outlined below. • Submitted (Pre Sept) To be Submitted (Nov – Dec) • Works approval – Mob

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