South32 (S32) investor relations material

Executive summary

• Exceeded Group production guidance for FY26, with a 15% increase in quarterly sales volumes, benefiting from strong market conditions and working capital release.

• Announced sale of aluminium value chain assets (excluding Mozal Aluminium) to Alcoa for up to US$5.6B plus US$1.2B in rehabilitation provisions, expected to complete in H2 FY27.

• Portfolio transition to focus on high-margin, long-life base and precious metals assets, targeting 85% of pro-forma earnings from these segments and 55% production growth from approved projects.

• Achieved significant milestones in copper and zinc projects, including Sierra Gorda's fourth grinding line approval and Hermosa's Taylor project construction and permitting.

Financial highlights

• Group sales volumes rose 15% in Q4 FY26, driven by inventory drawdown and restored rail access at Cannington.

• Received US$503M in net distributions from equity accounted investments in FY26, including US$401M from Sierra Gorda and US$102M from manganese.

• Returned US$327M to shareholders in FY26 (US$292M in dividends, US$35M in share buybacks); capital management program 92% complete.

• Group tax payments (excluding EAIs) totaled US$285M in FY26.

• Working capital unwind of ~US$200M in H2 FY26, following a build of US$130M in H1 FY26.

Outlook and guidance

• FY27 production guidance for most assets remains unchanged; revised guidance for Australia Manganese pending water management progress.

• Focus on operational excellence, strong balance sheet, and transformational growth in base metals.

• Taylor project at Hermosa expected to deliver steady-state EBITDA of US$650M per annum and NPV of ~US$3.1B, with first production in H2 FY28.