South32 Ltd. · ASX:S32
South32 — Corporate Update (February 2026)
27 slides from South32's corporate update, Feb 17, 2026
Slide 1: South32 Worsley Alumina Mine CLC Meeting
SOUTH32 WORSLEY ALUMINA MINE CLC MEETING 17 February 2026
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 Worsley Business Update • South32 Update • Boddington Bauxite Mine 4 Various • Environment • Community • CLC
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
Slide 4: South32 Business Update - Safety
SOUTH32 BUSINESS UPDATE - SAFETY
Slide 5: South32 Business Update - Portfolio
SOUTH32 BUSINESS UPDATE - PORTFOLIO Boddington CLC Meeting SLIDE 5
Slide 6: South32 Update
SOUTH32 UPDATE Boddington CLC Meeting SLIDE 6
Slide 7: South32 Business Update - H1 FY26 Summary
SOUTH32 BUSINESS UPDATE H1 FY26 SUMMARY Boddington CLC Meeting SLIDE 7
Slide 8: Operational Update
OPERATIONAL UPDATE
Slide 9: Production Mine & Materials
PRODUCTION MINE & MATERIALS Boddington fires • Grateful to firefighters, DFES, ERT members, employees, community - no injuries or loss of property. Environmental approvals • 4587 ha of pre-clearance surveys completed over past 2 years, covering up to three years clearing plans. • We have submitted a
Slide 10: Production Refinery & Port
PRODUCTION REFINERY & PORT Refinery Production • Achieved 2.20MT (99.1%) of budgeted Calcined production. • Challenging first half year with bauxite grade constraints. – Lower extractable alumina led to Redside limitations typically seen as milling, and mud handling. – Higher oxalate increased caust
Slide 11: Operational Update – Projects
OPERATIONAL UPDATE – PROJECTS • Lower Hotham Road – demobalisation completed. SLIDE 11
Slide 12: Operational Update – Projects – Lower Hotham Road
OPERATIONAL UPDATE – PROJECTS – LOWER HOTHAM ROAD SLIDE 12
Slide 13: Operational Update – Projects
OPERATIONAL UPDATE – PROJECTS • Ashcroft Road - update • Usage of road remains as minimal as possible. • Road grading occurred end January 2026 • Ongoing road grading works will continue • Heavy vehicle deliveries only (ie flatbed delivery trucks) with Traffic Management Plan • LVs diverted to acces
Slide 14: Operational Update
OPERATIONAL UPDATE Chamber of Minerals and Energy WA – 2026 Women in Resources Awards We’re proud to celebrate strong South32 representation among the finalists for the The Chamber of Minerals and Energy of Western Australia - CMEWA 2026 Women in Resources Awards. These awards are a celebration of t
Slide 15: Environment Update
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Slide 16: Environment – Update
ENVIRONMENT –UPDATE • 1. Application to DWER to amend buffer around 3 trees • - All 3 trees destroyed during Boddington fire • - Application has been withdrawn by Worsley and supported by DWER • 2. Kings Park Orchid Program • - Established partnership with Kings Park to collect seeds and symbiotic f
Slide 17: Environment Challenge
ENVIRONMENT CHALLENGE Boddington CLC Meeting SLIDE 17
Slide 18: Community Update
COMMUNITY UPDATE , YW
Slide 19: Community Update – Fire Impact
COMMUNITY UPDATE – FIRE IMPACT Recent fires: - December (Christmas Day evacuation) - January (Australia Day weekend) - February (truck caught fire on Gold Mine Road) Financial & In-Kind Support: - Community Cookup event - Donated 9,000L fuel truck and an operator at the IC point for 5 days - Credit
Slide 20: Community Update – Social Investment
COMMUNITY UPDATE – SOCIAL INVESTMENT • Yarning Circle Project o Financial support o In-Kind Support (in progress) Boddington CLC Meeting SLIDE 20
Slide 21: Community Update – Social Investment
COMMUNITY UPDATE – SOCIAL INVESTMENT Boddington CLC Meeting SLIDE 21
Slide 22: Community Update – Social Investment
COMMUNITY UPDATE – SOCIAL INVESTMENT GRANT SUCCESS STORIES A new ice machine at Boddington Rodeo. New bathroom tiling at Boddington Bowls Club. Boddington CLC Meeting SLIDE 22
Slide 23: Community Update
COMMUNITY UPDATE Community Grants Program We’re excited to share that the South32 Worsley Alumina Community Grants Program is getting a major refresh in 2026 - bigger, better and designed to give local groups more time, more support and more impact. For the past two years, we’ve run two grant rounds
Slide 24: Community Update
COMMUNITY UPDATE • Town Office – Options are currently being research. • Boddington News – On 17 March, South32 volunteers will support the Boddington News by collating the edition. • BBM Site Visit - Offset property & Nullaga - plan visit during cooler weather conditions. EA Manager - Status update
Slide 25: Community Update
COMMUNITY UPDATE 53 complaints FY26 - November/December 2025 - OPT IN FOR NOTIFICATIONS 42 x complaints related to BBM: - Advertisement will continue in Boddington News inviting community o 15 x Dust members who want to opt-in to receive community notifications via o 21 x Noise text or email. o 1 x
Slide 26: Community – CLC Profiling
COMMUNITY – CLC PROFILING Why o Sharing who the members are demonstrates openness and accountability. o It shows the committee is made up of real, local people who represent community interests rather than being a “closed group.” o Public profiles help validate that members have relevant experience
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