South32 Ltd. · ASX:S32

South32 — H1 FY26 Earnings Presentation

79 slides from South32's earnings presentation, Feb 12, 2026

  1. Slide 1: 2026 Half Year Financial Results

    2026 HALF YEAR FINANCIAL RESULTS 12 February 2026

  2. Slide 2: Important Notices

    IMPORTANT NOTICES This presentation should be read in conjunction with the “Financial Results and Outlook – Half Year Ended 31 December 2025” announcement released on 12 February 2026, which is available on South32’s website (www.south32.net). FORWARD-LOOKING STATEMENTS This presentation contains fo

  3. Slide 3: Important Notices

    IMPORTANT NOTICES The Group’s profit after tax attributable to members increased by US$104M to US$464M in H1 FY26. Underlying earnings attributable to members increased by US$60M to US$435M in H1 FY26. Consistent with our accounting policies, various items are excluded from the Group’s profit/(loss)

  4. Slide 4: Our Strategy

    OUR STRATEGY Delivering value through disciplined execution of our strategy Continuing our strong operating performance: • Safety Improvement Program supported improved safety performance across key indicators • FY26 production guidance remains unchanged for all operated assets • FY26 Operating unit

  5. Slide 5: H1 FY26 Safety Performance

    H1 FY26 SAFETY PERFORMANCE We remain united in our belief that everyone can go home safe and well every day Fatalities6,7 LTIF8 TRIF8 Significant hazards frequency9 245 5.1 196 3.7 2.8 122 2.0 1.4 1 0.9 0 0 FY24 FY25 H1 FY26 FY24 FY25 H1 FY26 FY24 FY25 H1 FY26 FY24 FY25 H1 FY26 Improved hazard aware

  6. Slide 6: H1 FY26 Financial Performance

    H1 FY26 FINANCIAL PERFORMANCE Our consistent operating performance and higher commodity prices underpinned strong financial results Profit after tax(a) Underlying EBITDA Growth capital expenditure US$464M US$1,107M US$338M Underlying earnings(a) Operating margin10 Free cash flow(b) US$435M 28% US$57

  7. Slide 7: Our Portfolio

    OUR PORTFOLIO Portfolio repositioned towards higher-margin businesses in critical metals High-quality operations in Projects in construction and feasibility Pipeline of options in study and base metals, aluminium and manganese stages expected to deliver 20% growth(a) exploration phases with further

  8. Slide 8: Our Portfolio

    OUR PORTFOLIO Structurally attractive commodity exposures in favourable jurisdictions Underlying EBITDA by commodity(a) Underlying EBITDA by region(a) Capital expenditure by region(b) (H1 FY26) (H1 FY26) (H1 FY26) 10% 16% 22% 35% 18% 41% ~US$1.1B 22% ~US$1.1B ~US$0.7B 8% 70% 34% 24% Alumina Aluminiu

  9. Slide 9: Our Growth Profile

    OUR GROWTH PROFILE Advancing growth options in copper, zinc and silver, with life extension opportunities and further greenfield potential Group copper equivalent production(a)(b) (kt) Brownfield options Greenfield options +20% Cannington Ambler Metals Underground extension Arctic deposit 800 Hermos

  10. Slide 10: Financial Results

    FINANCIAL RESULTS

  11. Slide 11: Performance Analysis

    PERFORMANCE ANALYSIS Strong operating performance enabled the Group to capitalise on higher commodity prices Illustrative H1 FY26 Underlying EBITDA by commodity(a) Alumina Aluminium Copper operating margin operating margin operating margin11 68% 10% 16% 58% 52% Alumina 40% 43% Aluminium 18% Ramp-up

  12. Slide 12: Earnings Analysis

    EARNINGS ANALYSIS Higher base and precious metals prices, disciplined cost management and the restart of operations at Australia Manganese drove a strong Underlying EBIT result Sales price by commodity (US$M), including: Silver 142 Copper 137 Aluminium 100 Alumina (258) (US$M) 131 (29) (25) (45) 100

  13. Slide 13: Cost Analysis

    COST ANALYSIS Lower controllable costs mitigated the impact of strengthening producer currencies and general inflation H1 FY26 expenditure for market traded consumables Controllable costs (US$M), including: and energy supply(a) 6% Higher finished goods aluminium inventory Higher finish... (53) 5% En

  14. Slide 14: Commodity Price and Foreign Exchange Analysis

    COMMODITY PRICE AND FOREIGN EXCHANGE ANALYSIS Commodity price tailwinds have continued into CY26 EBIT sensitivity(a) +/-10% Commodity US$M Spot (6 February 2026) vs. H1 FY26 average index prices Aluminium(b) 324 +13% Alumina(b) 197 (8%) Copper(c) 105 +24% Manganese 81 +18% Silver 45 +66% Lead 15 (2%

  15. Slide 15: Cash Flow Analysis

    CASH FLOW ANALYSIS Higher operating cash flow has supported balance sheet strength, investment in growth and shareholder returns (US$M) 240 (186) 471 (130) (338) Drawdown of inventories at Mozal Aluminium will add to cash generation in H2 FY26 (117) 123 (35) (53) (25) operations excluding capital ex

  16. Slide 16: Balance Sheet

    BALANCE SHEET A strong balance sheet is at the core of our strategy December 2025 net cash/(debt) (US$M) 1,664 Our liquidity position is strong, with US$1.7B cash17 and an undrawn US$1.4B revolving credit facility, maturing in December 2028 Our debt is long dated and includes ~US$700M of senior unse

  17. Slide 17: Capital Management Framework

    CAPITAL MANAGEMENT FRAMEWORK Our unchanged capital management framework supports investment in our business and is designed to reward shareholders as our financial performance improves Capital management framework Capital allocation since FY16 Shareholder returns(a) (US$M) 2% 2% (US$M) ROIC 17% 500

  18. Slide 18: Our Shareholder Returns

    OUR SHAREHOLDER RETURNS Our on-market share buy-back has reduced shares on issue by 16% at an average price of A$3.06 per share Cumulative EPS20 (LHS) and South32 share price (RHS) (US cents per share from January 2017, LHS; A$/share, RHS) 5.50 200 5.00 180 4.50 160 140 4.00 120 3.50 100 3.00 80 60

  19. Slide 19: Outlook

    SOUTH32 OUTLOOK

  20. Slide 20: Production Guidance

    PRODUCTION GUIDANCE Production guidance maintained across our operated assets H1 FY26 production performance vs. guidance Guidance Key FY26 guidance commentary Worsley Alumina FY26e FY27e 50% 3,750 3,900 Planned calciner maintenance completed in Q1 FY26 Brazil Alumina (non-operated) 52% 1,360 1,360

  21. Slide 21: Operating Unit Costs Performance and Guidance

    OPERATING UNIT COSTS PERFORMANCE AND GUIDANCE Operating unit cost guidance remains unchanged Worsley Alumina (US$/t)23 Brazil Alumina (non-operated) (US$/t) 318 310 323 326 320 303 FY26e guidance unchanged 269 Guidance FY26e: will continue to be Lower costs expected in H2 FY26 not provided influence

  22. Slide 22: Operating Unit Costs Performance and Guidance

    OPERATING UNIT COSTS PERFORMANCE AND GUIDANCE Sierra Gorda (non-operated) (US$/t)23,24 Cannington (US$/t)23,24 17.0 17.0 17.0 205 16.1 194 183 FY26e guidance unchanged 154 FY26e guidance unchanged Potentially higher price-linked royalties if metal prices remain at current levels FY24 FY25 H1 FY26 FY

  23. Slide 23: Capital Expenditure Guidance

    CAPITAL EXPENDITURE GUIDANCE Capital expenditure guidance remains unchanged as we continue our investment in productivity, improvement and growth projects FY26e Safe and reliable(a) FY26e Improvement and life extension(a) FY26e Growth - Hermosa (US$M) (US$M) (US$M) 412 338 282 248 58 62 H1 FY26 H2 F

  24. Slide 24: Cannington

    CANNINGTON Extending mine life to maximise value from Cannington's high-margin, silver-rich production Underground mine life extended Cannington Underground Ore Reserve(a) (Mt) • Ore Reserve increased by 28% to 13Mt(a) in H1 FY26, driven by 30 underground design improvements 25 (26) • Reserve life e

  25. Slide 25: Sierra Gorda – Catabela Northeast

    SIERRA GORDA – CATABELA NORTHEAST Initial Exploration Target at Catabela Northeast highlights further life extension potential Catabela Northeast location (looking west) Catabela Catabela current pit Northeast Copper porphyry prospect adjacent to the Catabela pit ~8,500m exploration drilling program

  26. Slide 26: Sierra Gorda – Fourth Grinding Line

    SIERRA GORDA – FOURTH GRINDING LINE Potential to increase processing capacity by ~20% via a capital-efficient plant expansion Fourth grinding line proposed plant layout (facing east)(a) Addition of a fourth grinding line and associated infrastructure to increase plant throughput by ~20% to ~58Mtpa (

  27. Slide 27: Hermosa Project

    HERMOSA PROJECT A regional scale project with the potential to produce critical minerals across multiple deposits for decades, underpinned by Taylor as the first development Taylor deposit Clark deposit Exploration land package Zinc-lead-silver Battery-grade manganese Copper, zinc Project overview •

  28. Slide 28: Hermosa – Taylor Deposit

    HERMOSA – TAYLOR DEPOSIT Progressing key construction activity Surface infrastructure construction (January 2026) Continuing to sink the ventilation and main shafts Dewatering flow rates remain in line with expectations Completed lateral development at the first underground mining level Major compon

  29. Slide 29: Hermosa – Taylor Deposit

    HERMOSA – TAYLOR DEPOSIT Executing planned project activity in H2 FY26 Ventilation shaft Main shaft expected to reach the first underground mining level in Q3 FY26 Two of four surface construction packages awarded Additional underground and surface infrastructure packages scheduled to be awarded in

  30. Slide 30: Hermosa – Peake Deposit

    HERMOSA – PEAKE DEPOSIT Drill results continue to support potential for a continuous copper system connecting Peake and Taylor Deeps Peake deposit (looking east) Continued exploration momentum at Peake: • Recent drilling has returned further high-grade copper results, including: ◦ 143m @ 2.17% CuEq(

  31. Slide 31: Ambler Mining District

    AMBLER MINING DISTRICT Unlocking high-grade base metals options in Alaska, USA Ambler Metals JV, Alaska Ambler Metals JV (50%) owns the high-grade Arctic and Bornite base metals deposits, plus a regional exploration land package US Government's decision to issue federal permits for the Ambler Access

  32. Slide 32: Our Exploration Portfolio

    OUR EXPLORATION PORTFOLIO Our exploration approach continues to focus on advancing options in highly prospective mineral belts Ambler Mining District, USA: high-grade base metals options 1 1 within an underexplored, regional scale landholding British Columbia, Canada: equity exposure to large-scale

  33. Slide 33: Markets Outlook

    — W= — SOUTH3: MARKETS OUTLOOK

  34. Slide 34: Aluminium Market

    ALUMINIUM MARKET Demand growth is outpacing supply, supported by China's 45Mt cap Attractive long-term price outlook supported by higher-cost and limited smelter restarts due to higher-cost electricity inducement projects ex-China to fulfil growing demand Aluminium prices and stocks(a) Aluminium pro

  35. Slide 35: Alumina Market

    ALUMINA MARKET ~60% of the industry is currently loss-making reflecting recent capacity New, higher-cost ex-China supply needed to meet long-term demand, additions, with new smelter projects expected to lift demand in CY26 amid declining Chinese bauxite self-sufficiency and tighter regulations Alumi

  36. Slide 36: Copper Market

    COPPER MARKET Strong electrification demand, mine supply disruptions and Increased mine supply is required to meet strong demand growth across tariff-driven stockpiling have driven copper prices to all-time highs renewable energy, power infrastructure and electric vehicles Copper price and inventori

  37. Slide 37: Zinc Market

    ZINC MARKET Recent price strength underpinned by low inventories, Primary demand growth expected to exceed production by ~4Mt to 2035, robust demand and tight ex-China supply a market trend similar to copper Zinc price and stocks(a) Mine production capability versus primary demand(b) (US$/t, LHS, Kt

  38. Slide 38: Manganese Market

    MANGANESE MARKET High-grade ore prices supported by new smelter additions Long-term price to be set by marginal higher-cost and tight supply due to Gabonese supply disruptions South African supply transitioning underground over time Manganese ore price and China port stock(a) Manganese ore exports b

  39. Slide 39: Summary and Outlook

    — W= — SOUTH3: SUMMARY AND OUTLOOK

  40. Slide 40: H1 FY26 Summary

    H1 FY26 SUMMARY A streamlined portfolio and consistent operational performance underpinned strong financial results H1 FY26 ordinary dividend Underlying EBITDA Growth capital expenditure US 3.9 cents per share (US$175M) US$1,107M US$338M Increased our capital management Operating margin10 Free cash

  41. Slide 41: Supplementary Information

    SUPPLEMENTARY INFORMATION

  42. Slide 42: Closure & Rehabilitation Provisions

    CLOSURE & REHABILITATION PROVISIONS Closure and rehabilitation H1 FY26 FY25 South32 Group provisions by operation (South32 share, excluding EAIs) US$M US$M Worsley Alumina 824 825 Brazil Alumina (non-operated) 109 108 Profit and loss Balance sheet Brazil Aluminium (non-operated) 13 13 impact (-US$18

  43. Slide 43: Capital Expenditure Guidance

    CAPITAL EXPENDITURE GUIDANCE H1 FY26 FY26e Capital expenditure excluding exploration and intangibles (South32 share) US$M US$M Worsley Alumina 32 55 Brazil Alumina 5 40 Brazil Aluminium 9 15 Hillside Aluminium 34 65 Mozal Aluminium26 4 4 Cannington 23 40 Cerro Matoso27 6 6 Safe and reliable capital

  44. Slide 44: Footnotes

    FOOTNOTES 1. Our Group underlying financial measures reflect continuing and discontinued operations. 2. Refer to market release "Mozal Aluminium Update" dated 16 December 2025. 3. The underlying information reflects the Group’s interest in material equity accounted joint ventures and is presented on

  45. Slide 45: Footnotes

    FOOTNOTES 23. FY26e new Operating unit cost guidance includes royalties (where appropriate), the influence of exchange rates, and includes various assumptions for FY26, including: an alumina price of US$340/t; a manganese ore price of US$4.40/dmtu for 44% manganese product; a silver price of US$47.0

  46. Slide 46: South32

    SOUTH32

  47. Slide 47: Annexure 1 – Cannington Underground Mineral Resource and Ore Reserve

    ANNEXURE 1 – CANNINGTON UNDERGROUND MINERAL RESOURCE AND ORE RESERVE Table A: Cannington Underground Mineral Resource as at 30 June 20251,2 Measured Mineral Resource Indicated Mineral Resource Inferred Mineral Resource Total Mineral Resources Ore type Ag Pb Zn Ag Pb Zn Ag Pb Zn Ag Pb Zn Mt Mt Mt Mt

  48. Slide 48: Annexure 2 – Basis for Reporting Exploration Target for Catabela Northeast

    Annexure 2 Basis for reporting Exploration Target for Catabela Northeast (NE) prospect Catabela NE is a brownfields porphyry copper prospect within the Palaeocene-Early Eocene Metallogenic Belt of the Antofagasta region of northern Chile, located approximately one kilometre northeast of the Catabela

  49. Slide 49: Figure 1: Catabela NE prospect geology and drilling

    Figure 1: Catabela NE prospect showing geology and drilling with copper grades, with Catabela Deposit and Pit in the background (looking Southwest) 2026 HALF YEAR FINANCIAL RESULTS - CATABELA NORTHEAST EXPLORATION TARGET Page 2 of 19

  50. Slide 50: Annexure 3: JORC Code Table 1: Catabela Northeast

    Annexure 3: JORC Code Table 1: Catabela Northeast Exploration Results and Exploration Target The following table provides a summary of important assessment and reporting criteria used for the reporting of Catabela Northeast (Catabela NE) Exploration Target and Exploration Results, that form part of

  51. Slide 51: JORC Table 1: Logging and sub-sampling

    Criteria Commentary Logging • The entire length of core is photographed and logged quantitively and qualitatively for lithology, alteration, mineralisation, veins, and structures. Rock quality designation (RQD), fracture frequency (FF), type of fault and fill are also recorded. • The geological para

  52. Slide 52: JORC Table 1: Verification

    Criteria Commentary (check or umpire analysis) to assess whether there is procedural bias at GeoAssay, the primary laboratory. Quadra • The Quadra QA/QC program between 2004 through 2010, used standards, blanks, and duplicates every 20 samples, with continuous monitoring and a failure tracking syste

  53. Slide 53: JORC Table 1: Data spacing and distribution

    Criteria Commentary every 200m, meaning 200m increments are measured multiple times as a part of an adequate quality assurance program. Data spacing • SGSCM drilled 22 holes along 4 section lines, spaced approximately 200m apart, to an and distribution average depth of ~1,200m (maximum depth of 2,06

  54. Slide 54: Section 2 Reporting of Exploration Results

    Section 2 Reporting of Exploration Results (Criteria listed in the preceding section also apply to this section.) Criteria Commentary Mineral • SGSCM is owned by KGHM Polska Miedź SA (55%) and South32 Ltd (45%). tenement and • The Catabela NE prospect is located within the Sierra Gorda mining tenure

  55. Slide 55: JORC Table 1: Geology

    Criteria Commentary Geology • Catabela NE is a porphyry-related copper prospect, located in the Antofagasta Region, in the Atacama Desert of northern Chile, ~1km from the northeastern edge of the Catabela pit, ~10km southwest of BHP’s Spence deposit, ~60km southwest of Calama, and ~140km northeast o

  56. Slide 56: JORC Table 1: Data aggregation methods

    Criteria Commentary Data • All reported intersections represent downhole lengths, weighted by length. True widths aggregation are not known at this stage of the exploration program. methods • Significant assay intercepts are reported as length-weighted averages exceeding 0.2% CuEq. • Significant min

  57. Slide 57: Figure 1: Regional location plan

    Figure 1: Regional location plan (Country location and tenement boundary) 2026 HALF YEAR FINANCIAL RESULTS - CATABELA NORTHEAST EXPLORATION TARGET Page 10 of 19

  58. Slide 58: Figure 2: Sierra Gorda regional geology

    Figure 2: Sierra Gorda regional geology Catabela NE Catabela Pit 2026 HALF YEAR FINANCIAL RESULTS - CATABELA NORTHEAST EXPLORATION TARGET Page 11 of 19

  59. Slide 59: Figure 3: Catabela NE collar locations and Sierra Gorda Pit

    Figure 3: Catabela NE Exploration Results collar locations and Sierra Gorda Pit 2026 HALF YEAR FINANCIAL RESULTS - CATABELA NORTHEAST EXPLORATION TARGET Page 12 of 19

  60. Slide 60: Figure 4: Catabela NE long section

    Figure 4: Catabela NE Exploration results - long section with reported intersections (looking southwest) 2026 HALF YEAR FINANCIAL RESULTS - CATABELA NORTHEAST EXPLORATION TARGET Page 13 of 19

  61. Slide 61: Table 1: Significant Intersections for Catabela NE prospect

    Table 1: Significant Intersections for Catabela NE prospect From To Cut Off Width TCu TMo Au CuEq Hole ID (m) (m) (CuEq%) (m) (%) (%) (g/t) (%) 20 56 36 0.21 - - 0.21 KSG14-1134 0.20 608 700 92 0.25 0.005 0.01 0.27 166 260 94 0.21 0.001 0.05 0.23 0.20 506 900 394 0.36 0.010 0.02 0.39 KSG15-1149 Incl

  62. Slide 62: Hole ID Description

    Hole ID Description KSG15-1154; KSG15-1155 Outside mineralised domain, northeast of the exploration target. QSGSC6-181; QSGSC6- 182; QSG06-294; QSG06- Outside mineralised domain, south of the exploration target. 295; QSG09-591; QSG09- 592; QSG09-605 QSGRC5-56; QSGRC5-76; QSG07-349; QSG07-381; Outsid

  63. Slide 63: Table 2: Hole collar locations of estimation drilling

    Table 2: Hole ID, collar location, dip, azimuth, and drill depth of estimation drilling in Catabela NE prospect Elevation Total Depth Hole ID Easting Northing Azimuth Dip (m) (m) QSGRC5-56 166439 4471753 1665 270 -60.0 240.0 QSGRC5-76 166574 4472137 1662 90 -60.0 200.0 QSG06-294 166665 4471351 1669

  64. Slide 64: Hole ID Easting Northing

    Total Depth Hole ID Easting Northing Elevation (m) Azimuth Dip (m) KSG23-1889 167678 4472847 1630 129 -75.5 1000.0 KSG23-1893 167579 4473003 1630 140 -75.1 1014.0 KSG23-1898 167808 4472694 1630 139 -75.7 1152.4 KSG23-1901 167450 4473158 1631 140 -75.3 450.0 KSG23-1903 167578 4473004 1630 320 -84.6 1

  65. Slide 65: Table 3: Drillholes used to support Geological Models

    Table 3: Catabela NE Exploration Target - Drillholes used only to support Geological Models Elevation Total Depth Hole ID Easting Northing Azimuth Dip (m) (m) DDHPLI-22 166819.89 4472092.98 1645.41 0.0 -90.0 650.4 DDHPLI-38 168331.59 4474825.00 1637.00 270.0 -70.0 629.2 ES-3 167977.10 4472788.84 163

  66. Slide 66: Hole ID Easting Northing

    Total Depth Hole ID Easting Northing Elevation (m) Azimuth Dip (m) SAR-12 167333.71 4472696.23 1631.90 0.0 -75.0 258 SAR-13 167592.52 4472088.52 1631.07 0.0 -75.0 630.4 SAR-14 166903.49 4473301.61 1637.79 1.8 -71.7 600.3 SAR-15 167003.63 4473961.38 1640.54 0.0 -75.0 313 SAR-16 168024.34 4473051.06 1

  67. Slide 67: Annexure 4: JORC Code Table 1: Peake Deposit

    Annexure 4: JORC Code Table 1: Peake Deposit The following tables provide a summary of important assessment and reporting criteria used for the reporting of Exploration Results for the Peake deposit, which forms part of the Hermosa Project located in South Arizona, USA (Figure 1). Sections 1 and 2 b

  68. Slide 68: JORC Table 1: Logging and sub-sampling

    Criteria Commentary Logging • The entire length of core is photographed and logged for lithology, alteration, structure, rock quality designation (RQD) and mineralisation. • Logging is both quantitative and qualitative, of which there are several examples including estimation of mineralisation perce

  69. Slide 69: JORC Table 1: Verification

    Criteria Commentary • Coarse and fine-grained certified silica blank material submissions, inserted at the beginning and end of every work order of approximately 200 samples, indicate a lack of systematic sample contamination in sample preparation and ICP solution carryover. Systematic contamination

  70. Slide 70: JORC Table 1: Audits and reviews

    Criteria Commentary • Core is stored in secured onsite storage prior to processing. After sampling, the remaining core, returned sample rejects and pulps are stored at a purpose-built facility that has secured access. • All sampling, assaying and reporting of results are managed with procedures that

  71. Slide 71: JORC Table 1: Peake geology and mineralisation

    Criteria Commentary • 150m south of the Taylor Deeps domain and 740m southwest of the Taylor shafts, the Peake deposit copper-skarn sulphide mineralisation is identified in older lithological stratigraphic units along the continuation of the thrust fault (Figures 4 and 5). Mineralisation dips 30°NW

  72. Slide 72: JORC Table 1: Other substantive exploration data

    Criteria Commentary Balanced • Exploration results for Peake deposit are reported as an update to previously disclosed reporting Exploration Results and are included under ‘Drill hole information’. Other • Aside from drilling, the geological model is developed from local and regional mapping, substa

  73. Slide 73: Figure 1: Regional location plan

    Figure 1: Regional location plan 2026 HALF YEAR FINANCIAL RESULTS – PEAKE EXPLORATION RESULTS

  74. Slide 74: Figure 2: Hermosa project regional geology

    Figure 2: Hermosa project regional geology 2026 HALF YEAR FINANCIAL RESULTS – PEAKE EXPLORATION RESULTS

  75. Slide 75: Figure 3: Peake deposit local geology and collar locations

    Figure 3: Peake deposit local geology and Exploration Results collar locations 2026 HALF YEAR FINANCIAL RESULTS – PEAKE EXPLORATION RESULTS

  76. Slide 76: Figure 4: Plan view of Taylor, Clark, Peake mineralisation domains

    Figure 4: Plan view of the Taylor, Clark, Peake Mineralisation Domains, and approximate shaft locations with previously reported drill holes and newly reported exploration drill holes labelled Figure 5: Cross-section through the Taylor, Clark, and Peake mineralisation domains showing exploration res

  77. Slide 77: Figure 6: Level plan map at 380m elevation

    Figure 6: Level plan map at 380m elevation showing Peake drillholes and mineral domains. Newly reported hole IDs are blue Table 1: Hole ID, collar location, dip, azimuth, and drill depth of new drill holes from the Peake Deposit East North Elevation Wedge Hole ID Dip Azimuth TD Depth (m) (UTM) (UTM)

  78. Slide 78: Table 2: Significant intersections – Peake Deposit

    Table 2: Significant intersections – Peake Deposit Exploration Results From To Width Zinc Lead Silver Copper CuEq ZnEq Hole ID Cut Off (m) (m) (m) (%) (%) (ppm) (%) (%) (%) 1221.9 1341.1 0.2% Cu 119.2 0.06 0.12 12 0.47 0.63 Including 1230.0 1253.3 0.2% Cu 23.3 0.01 0.01 11 0.69 0.79 1268.0 1272.4 0.

  79. Slide 79: Significant intersections – Peake Deposit (continued)

    1666.5 1681.0 0.2% Cu 14.5 1.76 1.06 58 0.33 3.70 1708.4 1723.2 2% ZnEq 14.8 2.19 0.85 66 0.11 4.19 1790.7 1795.1 2% ZnEq 4.4 25.61 3.06 661 0.93 42.32 1825.6 1829.4 2% ZnEq 3.8 2.12 0.12 26 0.21 2.77 1935.2 1942.2 2% ZnEq 7.0 1.79 0.05 9 0.14 2.01 1124.0 1286.0 0.2% Cu 162.0 0.02 0.02 22 1.21 1.42

South32 — H1 FY26 Earnings Presentation on 6ix