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SOUTH32

Company Profile Analysis

Ticker: S32.AX

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SOUTH32 - Chemicals & Materials showcase

Year Founded & Workforce

2015

8,892 Employees

Industry

Chemicals & Materials

Services

Worsley Alumina
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SOUTH32 Employee Contacts

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SOUTH32 Overview

South32 is a Perth-headquartered, ASX-primary-listed diversified miner created in 2015 from BHP Billiton's non-core assets, and it is now in the final stage of a decade-long portfolio transformation. FY26 underlying revenue was US$8.1bn and underlying EBITDA US$2.46bn (31% margin), with underlying earnings up 55% to US$1.03bn. On 1 July 2026 the company agreed to sell its entire bauxite–alumina–aluminium value chain (Worsley, Hillside, MRN, Brazil Alumina, Brazil Aluminium) to Alcoa for an implied enterprise value of up to US$5.6bn; shareholders approved the sale with 99.18% support on 15 October 2026, and completion is expected in H2 FY27. The residual company will be a base-metals and manganese business anchored by a 45% stake in Chile's Sierra Gorda copper mine, the Cannington silver-lead-zinc mine in Queensland, the world-scale GEMCO and Hotazel manganese operations, and the US$3.3bn Taylor zinc-lead-silver development at Hermosa, Arizona — one of the few advanced critical-minerals projects in the United States.


Company's own description

In its FY26 Appendix 4E, South32 describes its purpose as making a difference by developing natural resources and improving people's lives across generations. It characterises itself as a producer of minerals and metals critical to the energy transition, operating across the Americas, Australia and Southern Africa, while discovering and developing its next generation of mines. Following the Alcoa agreement, management (CEO Matt Daley, FY26 results and 2026 AGM) describes the target end-state as a focused, upstream base metals company — "the leading base metals company listed on the ASX" in management's AGM framing — with long-life, high-margin copper, zinc, silver and lead operations plus a large manganese position.

Independent characterisation

South32 is a pure upstream commodity producer. It does not have a product/service/subscription/licensing mix in the conventional sense: effectively 100% of revenue is derived from the sale of mined and processed commodities (plus a small "third party products and services" line — US$262M of underlying revenue in FY26, comprising traded aluminium, manganese, freight services and raw materials). Revenue is price-taking and largely benchmarked to LME (aluminium, copper, zinc, lead), LBMA/COMEX (silver, gold), alumina price indices (API/Platts) and manganese ore indices (44% Mn CIF China).

Value chain position (FY26 portfolio):

  • Upstream mining: bauxite (Worsley's Boddington-area mines; MRN in Brazil), copper-molybdenum-gold-silver (Sierra Gorda), silver-lead-zinc (Cannington), manganese ore (GEMCO; Hotazel's Mamatwan and Wessels).

  • Midstream refining: alumina (Worsley; Alumar refinery).

  • Downstream primary metal: aluminium smelting (Hillside; Alumar smelter; Mozal — on care and maintenance since March 2026).

  • Post-transaction: South32 exits refining and smelting entirely and becomes a miner selling concentrates (copper, zinc, lead-silver) and manganese ore.

Customer types: Smelters and refiners (concentrate buyers, notably in China, Japan, Korea and Europe), integrated steelmakers and alloy producers (manganese ore), aluminium fabricators and traders, and commodity trading houses. Specific customer concentration is not disclosed in sources reviewed.

End-markets: Steel (manganese is an essential alloying agent; ~90% of manganese demand is steel-related — industry consensus), galvanising and die-casting (zinc), lead-acid batteries (lead), electrical/energy-transition infrastructure, EVs and grids (copper, aluminium), solar PV and electronics (silver), packaging, transport and construction (aluminium), and prospective battery cathode precursors (battery-grade manganese from Clark at Hermosa).

Business model economics: Earnings are driven by (i) realised prices, (ii) volumes, (iii) unit costs in producer currencies (AUD, ZAR, BRL, CLP), and (iv) price-linked costs (caustic soda, coke, pitch, energy, royalties). FY26 illustrates the leverage: higher realised prices added US$596M to underlying EBIT, while stronger producer currencies cost US$159M and inflation US$74M (FY26 results). A material share of value sits in non-operated or equity-accounted assets (Sierra Gorda 45%, Brazil Alumina 36%, Brazil Aluminium 40%), so cash returns depend partly on partner distributions — FY26 EAI net distributions were US$503M, including a record US$401M from Sierra Gorda.

Strategy

Stated strategy themes (FY26 Annual Report / results)

  1. Portfolio simplification toward base metals: "Reposition South32 as a focused, upstream supplier of base metals with transformational growth" (FY26 in review, paraphrased). The Alcoa sale accelerates a decade of exits from coal, nickel and manganese alloys.

  2. Safe and stable operations: a "safety guarantee" culture following fatalities in FY25 (Cerro Matoso) and FY26 (Worsley).

  3. Grow base metals into structurally attractive markets: Taylor, Sierra Gorda fourth grinding line, Cannington life extension, Peake, Arctic, Catabela NE.

  4. Disciplined capital allocation: minimum 40% of underlying earnings paid as ordinary dividends; on-market buy-back within a US$2.6bn capital management programme; ~US$500M initial return after completion.

  5. Cost efficiency: ~US$125M p.a. functional support cost reduction by FY29.

Strategic initiatives (last 24 months)

InitiativeDateDetail / target
Alcoa sale of aluminium value chain1 Jul 2026Up to US$5.6bn EV; approved by shareholders 15 Oct 2026; completion H2 FY27
Mozal care and maintenance; divestment reviewMar 2026Excluded from Alcoa deal; divestment under active consideration
Taylor (Hermosa) constructionFID Feb 2024; re-baselined 30 Apr 2026Capex ~US$3.3bn; first production H2 FY28; nameplate FY31; EBITDA ~US$650M p.a.; Notice to Proceed targeted Q1 FY27 following 7 Jul 2026 Final ROD
Clark decline extension to TaylorFY26–FY27+~25% ore handling capacity; option to exceed design throughput
Sierra Gorda fourth grinding lineApproved 30 Jun 2026~US$725M (100%) FY27–FY30; ~+30% CuEq from FY31; capital intensity ~US$21k/t CuEq
Sierra Gorda reserve extension25 Aug 2026Reserve +61% to ~1.1Bt; life to ~2045
Sierra Gorda–BHP Spence MoU8 Jun 2026Non-binding; operational collaboration
Cannington life extensionFY27–FY28US$65–80M ventilation/electrical; open-pit FID H1 FY28
Australia Manganese water managementFY27–FY28~US$70M, subject to regulatory approvals
Functional cost-outAnnounced Jul 2026~US$125M p.a. by FY29
Climate targets reviewFY27Aluminium chain + Mozal ≈95% of FY26 operational GHG; targets to be reset
Capital management extensionAug 2026US$2.6bn programme extended to 10 Sep 2027; US$209M remaining
ExplorationOngoingFY27 capitalised exploration guidance US$80M (incl. EAIs); greenfield US$40M

Medium-term guidance

South32 does not publish formal medium-term revenue/margin targets. Guidance is operational: FY27–FY28 production and FY27 cost/capex guidance. Taylor steady-state economics (EBITDA ~US$650M p.a.; NPV ~US$3.1bn) and the Sierra Gorda expansion (+30% from FY31) constitute the implicit medium-term growth framework.

Products & Services

Base metals (retained)

Product / AssetDescription & specificationsTarget customerStatus / latest yearPricing model
Copper concentrate — Sierra Gorda (45%, non-operated; KGHM operator/partner)Large open-pit copper-molybdenum-gold-silver mine, Antofagasta region, Chile. FY26 payable copper equivalent 87.1–87.8kt (South32 share); payable copper 69.2kt; ore processed 21.0Mt. Ore Reserve ~1.1Bt (100%), reserve life to ~2045. Fourth grinding line (~US$725M, 100%) expected to lift CuEq output ~30% from FY31Copper smelters (Asia/Europe), tradersOperating; FY27e payable copper 79.0kt, CuEq 91.8ktLME/COMEX-linked concentrate contracts less TC/RCs
Molybdenum concentrate — Sierra GordaBy-product; FY26 1.9kt payable (FY27e 0.5kt as grades shift)Roasters/steel alloy makersOperatingPlatts moly oxide-linked
Gold & silver by-products — Sierra GordaFY26 18.5koz gold; 741koz silverVia concentrate salesOperatingLBMA-linked payables
Silver-lead concentrate — Cannington (100%)Underground silver-lead-zinc mine and concentrator, NW Queensland; one of the world's largest silver producers by mine. FY26 payable silver 8,906koz, lead 82.9kt; underground Ore Reserve 11Mt (life ~FY33); Mineral Resource ~44MtLead smelters, tradersOperating; FY27e silver 8,725koz, lead 80.0kt; open-pit FID targeted H1 FY28LME lead / LBMA silver less TC/RCs
Zinc concentrate — CanningtonFY26 payable zinc 39.2kt (FY27e 45.0kt)Zinc smeltersOperatingLME zinc less TC
Zinc-lead-silver — Taylor (Hermosa, 100%)Underground mine + 4.3Mtpa conventional process plant, Santa Cruz County, Arizona. Capex ~US$3.3bn; steady-state EBITDA ~US$650M p.a. (FY31–FY59 average); NPV ~US$3.1bn (1 Jul 2026 valuation); ~33-year initial life; Ore Reserve 99MtUS/global zinc and lead smeltersUnder construction; first production H2 FY28; nameplate FY31LME/LBMA-linked (future)
Battery-grade manganese — Clark (Hermosa)Manganese oxide deposit targeted for high-purity manganese sulphate monohydrate for North American battery supply chain; exploration decline completed Q2 FY26Battery cathode makers (prospective)Study stage—
Copper — Peake (Hermosa)Copper deposit adjacent to Taylor; Mineral Resource declared 30 Apr 2026; potential future copper production and Taylor mine-life extension—Exploration/study—
Copper-zinc-lead-gold-silver — Arctic (Ambler Metals, 50%)High-grade polymetallic deposit, Ambler district, Alaska; accepted under FAST-41 on 14 May 2026; CY26 budget ~US$42M (100%)—Pre-development—
Exploration optionsRoosevelt prospect (Alaska, 100%); Selena (Nevada, earn-in with Ridgeline Minerals); Catabela Northeast (adjacent Sierra Gorda; Exploration Target 1.1–2.9Bt @ 0.45–0.48% TCu)—Exploration—

Manganese (retained)

Product / AssetDescription & specificationsTarget customerStatusPricing
Manganese ore — Australia Manganese / GEMCO (60%)Open-cut mine on Groote Eylandt, Northern Territory; high-grade (~44%+ Mn) lump and fines; FY26 production 3,031kwmt; new wharf infrastructure commissioned in FY25Silicomanganese/ferromanganese alloy producers (China dominant)Operating; FY27–28e 2,650–2,900kwmt (water constraints); ~US$70M water infrastructureIndex-linked (44% Mn CIF China, US$/dmtu)
Manganese ore — South Africa Manganese / Hotazel (54.6% ore)Mamatwan open-cut and Wessels underground mines, Kalahari Manganese Field; FY26 2,085kwmt; Wessels impairment US$49M in FY26Alloy producersOperating; FY27–28e 2,000kwmt (subject to trucking)Index-linked
Manganese alloy (divested)TEMCO sold 2020; South Africa Manganese alloy (Metalloys) divested 3 Jun 2025—Exited—

Aluminium value chain (being sold to Alcoa; Mozal retained but idle)

Product / AssetDescriptionFY26 output (South32 share)Status
Bauxite — Worsley mines (86%)Captive bauxite supply (Boddington area, WA); Worsley Mine Development Project including NullagaCaptiveTransfers to Alcoa
Smelter-grade alumina — Worsley Alumina (86%)Major WA refinery with multi-fuel co-generation facility3,722kt (FY27e 3,900kt)Transfers to Alcoa
Bauxite — MRN (33%, Brazil)Mineração Rio do Norte, ParáCaptive/contractTransfers to Alcoa (subject to partners' pre-emptive rights)
Alumina — Brazil Alumina (Alumar refinery, 36%, non-operated)Operated above nameplate in FY261,411ktTransfers to Alcoa
Primary aluminium — Brazil Aluminium (Alumar smelter, 40%, non-operated)Restarted 2022; renewable power144ktTransfers to Alcoa
Primary aluminium — Hillside Aluminium (100%, Richards Bay, South Africa)One of the largest smelters in the Southern Hemisphere; tests maximum technical capacity717kt (FY27e 720kt)Transfers to Alcoa (with idled Bayside property)
Primary aluminium — Mozal Aluminium (63.7%, Mozambique)Placed on care and maintenance 15 Mar 2026Partial yearRetained; divestment under active consideration

Divested product lines (last 5 years)

Metallurgical coal (IMC, sold Aug 2024); ferronickel (Cerro Matoso, sold Dec 2025); thermal coal (SAEC, sold Jun 2021); manganese alloys (TEMCO 2020; Metalloys Jun 2025).

Financial Narrative

Income statement and per-share data

Sources: FY22, FY23, FY24, FY25, FY26 Financial Results and Outlook. Diluted EPS FY22 derived from FY22 diluted denominator (4,679M shares). FY24 DPS = H1 0.4c + H2 3.1c (FY26 dividend table). Net margins are analyst calculations.

Revenue CAGR (underlying, FY22→FY26): approximately -6.5% p.a. (US$10.6bn → US$8.1bn), reflecting normalisation from FY22's record price environment and the exit of coal and nickel. On a continuing-ops statutory basis FY24→FY26 CAGR is +3.0% p.a.

Trend commentary: FY22 was a cyclical peak (record coal, aluminium and alumina prices post-Russia/Ukraine), producing record underlying EBITDA of US$4.76bn and a 30.1% ROIC. FY23 earnings fell 65% as prices normalised, compounded by a ~US$1.3bn Taylor impairment that drove a statutory loss. FY24 was the trough: Tropical Cyclone Megan idled GEMCO from March 2024, Cannington suffered a weather event, and further impairments pushed a second consecutive statutory loss (US$203M), though H2 FY24 recovered. FY25 marked the inflection — underlying earnings +75% on a 45% rise in alumina prices — but statutory profit was held to US$213M by US$464M of impairments (US$346M Mozal; US$118M Cerro Matoso; Reuters reported a flagged US$372M Mozal figure — the discrepancy appears to reflect pre-/post-tax or timing differences and should be reconciled to the FY25 Annual Report). FY26 delivered one of the strongest results in the company's history (underlying earnings US$1,032M, +55%) as copper, silver and aluminium prices rose (silver +US$331M and copper +US$314M to EBIT), Australia Manganese returned (+US$268M EBIT swing), and controllable costs fell US$58M. Statutory profit (US$1,087M) exceeded underlying earnings for the first time in years, aided by a US$249M reversal of impairment on the Sierra Gorda shareholder loan and a US$146M gain on contingent consideration revaluations.

Balance sheet

Sources: FY25 and FY26 Financial Results (net cash components, NTA/share, RCF); FY22 and FY25/FY24 results (NTA/share, net cash/debt); cash, total debt, inventories and debt split for FY22–FY25 from StockAnalysis/S&P Global MI (secondary). FY23 net debt (US$483M) is aggregator-sourced; FY24 net debt uses the company figure (US$762M), which differs from the aggregator's US$724M — likely due to held-for-sale classification of IMC balances. FY25 total assets of ~US$13.7bn is aggregator-sourced. FY25 cash includes US$80M classified as held for sale (Cerro Matoso).

Commentary: South32 has run a conservative balance sheet throughout, oscillating between modest net debt and modest net cash. The FY23–FY24 net debt reflected the Sierra Gorda acquisition (funded partly with debt), record FY23 shareholder returns (US$1,225M), and the FY24 earnings trough. IMC proceeds (US$938M received in FY25) restored net cash. In FY26, US$711M of Hermosa growth capex and US$327M of shareholder returns were more than covered by operating cash flow and a step-change in EAI distributions (US$503M). Debt consists principally of US$700M senior unsecured notes (interest cost US$31M p.a., implying a coupon of ~4.4%) and lease liabilities (largely Worsley's multi-fuel co-generation facility). Closure and rehabilitation provisions are large (discount unwind alone US$132M in FY26), and approximately US$1.1bn of these will transfer to Alcoa at completion.

Cash flow

Sources: FY26, FY25, FY23 results; FY25 annual reporting suite (FY24 comparatives). FY22 buy-back US$128M per FY22 results. FY24 dividends paid (US$163M) derived as H2 FY23 final (US$145M) + H1 FY24 interim (US$18M); the buy-back was paused in FY24. FY25 EAI net distributions of -US$44M derived as US$176M from Sierra Gorda less US$110M net funding to manganese (as stated in FY26 results), plus/minus rounding — the FY26 release cites FY25 EAI net distributions of US$66M, so the -44 figure should be treated as an analyst approximation; the company-stated figure is +66. FY22 free cash flow from operations including EAI distributions was US$2.6bn (FY22 results).

Correction note on the table above: the company-reported FY25 EAI net distribution figure is US$66M (FY26 results); readers charting this row should use 66 for FY25.

Commentary: Group FCF excluding EAIs has been compressed by Hermosa (cumulative growth capex of US$1.2bn over FY25–FY26 and US$1.0bn guided for FY27). The real cash story is in the EAIs: Sierra Gorda's record US$401M distribution in FY26 (classified as accrued interest on shareholder loans) and manganese insurance recoveries. FY27 will see total base metals and manganese capex rise to ~US$1.5bn (including EAIs), plus ~US$300M for the aluminium assets until completion.

Ratios

All ratios except ROIC are analyst calculations from the figures above and should be treated as indicative. The latest available current ratio (Trading Economics, most recent half-year period) implies ~2.8x (current assets US$3.48bn ÷ current liabilities US$1.23bn), likely as at 31 Dec 2025.

Commentary: Leverage is minimal on every measure; the binding constraint on capital allocation is not the balance sheet but the size of the Hermosa programme relative to the shrinking post-transaction asset base. Interest coverage on underlying measures overstates true financing cost burden only modestly because the dominant "finance cost" is rehabilitation-provision discount unwind rather than debt service.

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Financial Detail

Revenue by Segment (%)

SegmentFY2024FY2025FY2026

Sierra Gorda (45%)

—8321,154

Cannington (100%)

—659852

Hermosa (100%)

000

Australia Manganese (60%)

—42675

South Africa Manganese (54.6%)

—353364

Worsley Alumina (86%)

—1,9171,319

Brazil Alumina (36%)

—749502

Brazil Aluminium (40%)

—355441

Hillside Aluminium (100%)

—1,9892,236

Mozal Aluminium (63.7%)

—979890

Third party products & services

—370262

Inter-segment / Group & unallocated

—-1,264-780

IMC (discontinued)

—1440

Cerro Matoso (discontinued)

—485193

Group underlying revenue

8,2967,6108,108

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Segment Revenue

SegmentFY2025 EBITFY2026 EBITFY2025 EBIT margin %FY2026 EBIT margin %FY26 YoY revenue growth %FY26 % of Group underlying revenue (gross of eliminations)

Sierra Gorda

31856138.248.638.713.0

Cannington

20436431.042.729.39.6

Hermosa

-45-46———0.0

Australia Manganese

-125143

n/m

21.2

n/m

7.6

South Africa Manganese

2426.80.53.14.1

Worsley Alumina

619532.30.4-31.214.9

Brazil Alumina

226-2730.2-5.4-33.05.7

Brazil Aluminium

-9720-27.34.524.25.0

Hillside Aluminium

855814.326.012.425.2

Mozal Aluminium

551825.620.4-9.110.0

Third party

18184.96.9-29.23.0

Group & unallocated / inter-segment

-179-97————

IMC

50034.7——0.0

Cerro Matoso

581112.05.7-60.22.2

Group

1211

1717

16.5

21.7

6.5

100

Segment Revenue (FY2025–FY2026)

BusinessFY2025FY2026FY2026 operating margin %

Sierra Gorda

48275866

Cannington

28145153

Australia Manganese

-105229—

South Africa Manganese

4630—

Alumina (Worsley + Brazil Alumina)

1,07821012

Aluminium (Hillside + Brazil Aluminium + Mozal)

18786524

Group underlying EBITDA

1,9282,46231.0

Income Statement and Per-Share Data

MetricFY2022FY2023FY2024FY2025FY2026

Statutory revenue (USD Mn; FY22–23 as reported, FY24–26 continuing ops)

9,2697,4295,4795,7805,816

Underlying revenue (USD Mn; FY22 rounded to nearest US$0.1bn)

10,6009,0508,2967,6108,108

Underlying EBITDA (USD Mn)

4,7552,5341,8021,9282,462

Underlying EBIT (USD Mn)

3,967—8861,2111,717

Statutory operating profit, continuing ops (USD Mn)

———5541,359

Underlying profit before tax (USD Mn)

———1,0301,558

Statutory profit after tax attributable to members (USD Mn)

2,669-173-2032131,087

Underlying earnings attributable to members (USD Mn)

2,6029163806661,032

Basic EPS (US cents)

57.4-3.8-4.54.724.2

Basic underlying EPS (US cents)

56.020.08.414.823.0

Diluted EPS (US cents)

57.0-3.8———

Ordinary dividends per share (US cents)

22.78.13.56.09.3

Special dividends per share (US cents)

3.00000

Underlying EBITDA margin (%)

4729.422.826.331.0

Underlying EBIT margin (%)

———16.521.7

Statutory net margin (% of statutory revenue)

28.8-2.3-3.73.718.7

Underlying net margin (% of underlying revenue)

24.510.14.68.812.7

Underlying effective tax rate (%)

———35.032.9

Return on invested capital (%)

30.1——9.013.6

Balance Sheet and Per-Share Data

MetricFY2022FY2023FY2024FY2025FY2026

Cash & cash equivalents (USD Mn)

2,3651,2588421,7572,134

Lease liabilities (USD Mn)

———713748

Other interest-bearing liabilities (USD Mn)

———9211,103

Total debt incl. leases (USD Mn)

1,8271,7411,5661,6341,851

Short-term debt incl. current portion (USD Mn)

362314165175—

Long-term debt ex-leases (USD Mn)

815753729746—

Net cash / (net debt) (USD Mn; positive = net cash)

538-483-762123283

Total assets (USD Mn)

———13,727—

Net tangible assets (derived: NTA/share × shares, USD Mn)

10,642—8,7508,6939,510

NTA per share (USD)

2.29—1.941.932.12

Inventories (USD Mn)

9821,102985935—

Working capital movement in year (USD Mn; positive = release)

———-3782

Undrawn revolving credit facility (USD Mn)

———1,4001,400

Cash Flow

MetricFY2022FY2023FY2024FY2025FY2026

Cash generated from operations, excl. EAIs (USD Mn)

———1,4331,529

Total capex excl. EAIs (USD Mn)

———9631,094

Total capex incl. EAIs (USD Mn)

——1,4091,3531,441

of which Hermosa growth capex (USD Mn)

———517711

Free cash flow from operations, excl. EAIs (USD Mn)

——-80192107

Net distributions from EAIs (USD Mn)

———-44503

Income tax paid (USD Mn)

———236285

Ordinary + special dividends paid (USD Mn)

—1,007163294292

Share buy-backs (USD Mn)

12821805635

Total shareholder returns in year (USD Mn)

—1,225163350327

Returns & Leverage Ratios (%) and Financial Ratios (x)

RatioFY2022FY2023FY2024FY2025FY2026

ROE (statutory PAT ÷ NTA proxy, %)

25.1—-2.32.511.4

ROA (statutory PAT ÷ total assets, %)

———1.6—

ROIC (company definition, %)

30.1——9.013.6

Debt / equity (total debt ÷ NTA proxy, x)

0.17—0.180.190.19

Net debt / underlying EBITDA (x; negative = net cash)

-0.110.190.42-0.06-0.11

Interest coverage (underlying EBIT ÷ underlying net finance costs, x)

———6.49.8

Asset turnover (statutory revenue ÷ total assets, x)

———0.42—

Geographic Revenue

Region (asset location)FY2024FY2025FY2026FY26 YoY growth %

Australia (Worsley, Cannington, Australia Manganese, IMC)

—2,7622,8463.0

Southern Africa (Hillside, Mozal, South Africa Manganese)

—3,3213,4905.1

South America (Sierra Gorda, Brazil Alumina, Brazil Aluminium, Cerro Matoso)

—2,4212,290-5.4

North America (Hermosa, Ambler)

000—

Third party & eliminations

—-894-518—

Group underlying revenue

8,2967,6108,1086.5

Busine Overview

BusinessAustraliaSouthern AfricaSouth AmericaNorth America

Base metals

85201,1540

Manganese

67536400

Alumina

1,31905020

Aluminium

03,1264410

Nickel (Cerro Matoso, to Dec 2025)

001930

Market Valuation

MetricCY2021CY2022CY2023CY2024CY2025

Year-end market capitalisation (AUD Bn)

18.6418.2815.0815.2915.76

Performance Window Details

Performance windowReturnSource

1-year (to early Oct 2026)

≈+63% to +79% (price)

CompaniesMarketCap; StockAnalysis

3-year (end-CY2023 to Oct 2026, market cap)

≈+46% (market cap, partly offset by buy-backs reducing share count)

Derived

5-year (end-CY2021 to Oct 2026, market cap)

≈+18% (market cap)

Derived

JSE price (9 Oct 2026)

R57.42

Listcorp

Valuation Multiples

MultipleSouth32Basis

P/E (underlying)

≈15x

A$4.91 × AUD/USD ~0.70 ≈ US$3.44 ÷ FY26 underlying EPS US 23.0c (analyst derivation)

P/E (statutory)

≈14x

÷ FY26 basic EPS US 24.2c

EV/EBITDA (trailing)

9.6x

Stockopedia (TTM; may not fully reflect FY26)

Price/Sales

2.6x

Stockopedia (statutory revenue basis)

P/B

1.6x

Stockopedia

Dividend yield (FY26 DPS ÷ price)

≈2.7%

Analyst derivation (aggregator trailing yields of ~1.1% appear stale)

Source Details

SourceRatingTarget priceDate

S&P Global MI (13 analysts)

Buy

A$5.15 average

4 Oct 2026

Stockopedia

—

A$5.03 consensus

Oct 2026

Morgans

Accumulate

A$4.70

Aug 2026

Morgan Stanley

Buy

A$4.75

Aug 2026

Street high

—

A$5.95

Aug 2026

Per-Share Data and Dividends & Capital Returns

MetricFY2022FY2023FY2024FY2025FY2026

Ordinary DPS (US cents)

22.78.13.56.09.3

Special DPS (US cents)

3.00000

Total dividends declared (USD Mn)

1,192—158271417

Credit Ratings

AgencyRatingOutlook / status

S&P Global Ratings

BBB+

Under review (reduced scale/diversification post-Alcoa)

Moody's

Baa1

Under review

Instrument

Amount (US$M)

Maturity

Senior unsecured notes

700

2032 (maturity per issuance terms; coupon ~4.4% implied by US$31M interest)

Sustainability-linked RCF

1,400 (undrawn)

Dec 2028

Lease liabilities

748

Various (largely Worsley co-generation; transfers to Alcoa)

Analyst Conclusions

Management guidance (FY27; FY28 where given)

ItemFY26 actualFY27eFY28e
Sierra Gorda payable CuEq (kt)87.891.894.0
Sierra Gorda payable copper (kt)69.279.079.0
Cannington payable ZnEq (kt)290.0 (restated at FY26 prices)290.0290.0
Cannington payable silver (koz)8,9068,7258,725
Australia Manganese (kwmt)3,0312650–29002650–2900 (subject to approvals)
South Africa Manganese (kwmt)2,0852,0002,000
Worsley alumina (kt)3,7223,900n/a (sale)
Hillside aluminium (kt)717720—
Base metals & manganese capex incl. EAIs (US$M)1,1051,500—
Hermosa growth capex (US$M)7111,000—
Aluminium chain capex (US$M)272300—
Underlying D&A (US$M)745800—
Group & unallocated expense (US$M)63120—
Underlying net finance costs (US$M)175180—

Unit cost guidance FY27e: Sierra Gorda US$17.5/t ore; Cannington US$205/t; Australia Manganese US$3.15/dmtu; South Africa Manganese US$3.50/dmtu; Worsley US$320/t (FY26 results).

Bull case

  1. Value crystallisation is largely locked in: US$3.1bn cash + US$1.0bn Alcoa shares + ~US$750M debt/lease assumption + ~US$1.1bn rehabilitation transfer versus an aluminium chain that generated only US$1,075M EBITDA in FY26 (US$210M alumina + US$865M aluminium, including idled Mozal) — and a ticking fee accrues from 15 Oct 2026.

  2. Copper and silver leverage with growth: Sierra Gorda (+5% FY27, +2% FY28, ~+30% from FY31) and Cannington silver at elevated prices underpin a base-metals EBITDA base already above US$1.2bn.

  3. Re-rating as a pure base-metals/critical-minerals name: lower emissions intensity (~95% of operational GHG exits), US-domiciled Taylor production from FY28 and potential ~US$650M EBITDA p.a. could close the discount to copper-weighted peers.

Bear case

  1. Taylor risk remains elevated: a 53% overrun within two years of FID, attributed partly to contractor underperformance, raises the risk of further slippage; FY27 Hermosa capex of US$1.0bn absorbs most free cash.

  2. Shrinking, more concentrated business: post-completion, earnings depend on a non-operated copper JV, a single Australian silver-lead-zinc mine with ~7-year underground reserve life, and manganese assets with operational constraints — prompting ratings reviews.

  3. Price-driven results: FY26 growth was primarily price-driven (+US$596M EBIT); a reversal in silver (~US$70/oz realised) or copper (~US$5.92/lb) would rapidly compress earnings, while FY27 consensus already implies slight EPS decline.

Key catalysts and monitorables (next 12 months)

  • September 2026 Quarterly Report (19–20 Oct 2026): first under Daley; Taylor progress; Notice to Proceed.

  • Alcoa transaction regulatory approvals, MRN pre-emptive rights decisions and completion (H2 FY27 / H1 CY27).

  • Size and form of post-completion capital return (~US$500M initial; possible in-specie Alcoa shares).

  • S&P / Moody's rating resolution.

  • Mozal divestment outcome.

  • GEMCO water-management approvals (FY28 volumes).

  • Taylor shaft and surface construction milestones against the April 2026 baseline.

  • Cannington open-pit FID (targeted H1 FY28) and underground extension.

  • Climate target reset (FY27).

  • H1 FY27 results (Feb 2027) and dividend.

Analyst verdict

South32 enters FY27 at the most consequential inflection since its 2015 demerger. The Alcoa transaction, now endorsed by 99.18% of voting shareholders, is strategically coherent and financially attractive: it converts a carbon-intensive, energy-exposed and capital-hungry aluminium chain — whose alumina earnings collapsed by US$868M in a single year — into US$4.1bn of upfront cash and equity, transfers roughly US$1.1bn of rehabilitation obligations, and retains up to US$750M of price-linked upside. It also removes the bulk of the company's Scope 1 and 2 footprint, which should broaden the eligible investor base.

What remains is a higher-quality but smaller and more concentrated business. Sierra Gorda (66% margin, reserve life to ~2045, a capital-efficient expansion from FY31) and Cannington (53% margin, silver-rich) are excellent assets at current prices, and manganese provides cyclical cash once GEMCO's water issues are resolved. The critical swing factor is Taylor. The April 2026 reset — capex up ~US$1.1bn, first production pushed to H2 FY28 — dented management credibility at precisely the moment the equity story became dependent on growth delivery. Encouragingly, permitting is now complete (Final ROD, July 2026), reserves grew 52%, and life extended to ~33 years; but execution under a new CEO must be demonstrated quarter by quarter.

Valuation has already moved: shares are up ~65–80% over twelve months to ≈A$5, roughly 15x FY26 underlying earnings and close to the A$5.15 consensus target. Upside from here depends on (i) a sizeable post-completion capital return, (ii) sustained copper and silver prices, and (iii) a clean Taylor build. On balance, we view South32 as a fairly valued, de-risking transition story with asymmetric sensitivity to Hermosa execution — a hold-to-accumulate for investors seeking diversified base-metals and manganese exposure with a strong balance sheet, but one where the next four quarterly reports will determine whether the "leading ASX base metals company" ambition is earned.

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Executive Leadership

Executive Leadership Team

NameTitleTenurePrior roles / backgroundEducation

Matt (Matthew) Daley

CEO & Managing Director

Deputy CEO from 2 Feb 2026; CEO from 1 Jul 2026

Anglo American Technical & Operations Director (exec leadership team); joined Anglo in 2017 as Group Head of Mining; earlier Executive General Manager, Glencore Canadian copper division; former NED Valterra Platinum and PolyMet Mining; 20+ years across underground/open-cut mining, smelting, refining, projects, trading

University of South Australia (per MarketScreener)

Sandy Sibenaler

Chief Financial Officer

———

Kelly O'Rourke

Lead Team member (title n/d in sources reviewed)

———

Simon Collins

Lead Team member (title n/d)

———

David Palmer

Lead Team member (title n/d)

———

Board of Directors

NameRoleNotes

Stephen Pearce

Independent Non-Executive Chair

Succeeded Karen Wood (succession announced 2 Mar 2026); bought 100,000 shares Sep 2025 and 40,000 shares Aug 2026

Matt Daley

CEO & MD (executive director)

Appointed 1 Jul 2026

Wayne Osborn

Independent NED

Long-serving director

Dr Xiaoling Liu

Independent NED

Re-elected 15 Oct 2026

Carlos Mesquita

Independent NED

Re-elected 15 Oct 2026

Jane Nelson

Independent NED

Re-elected 15 Oct 2026

Sharon Warburton

Independent NED

Listed director (per Morningstar profile)

Geoff Healy

Independent NED

Elected 15 Oct 2026 (99.33%)

Sinead Kaufman

Independent NED

Appointed 1 Apr 2026; elected 15 Oct 2026 (99.41%)

Karen Wood

Former Chair

Retired in connection with chair succession (2026)

Major Shareholders

HolderSharesStake %Basis / date

State Street Corporation & subsidiaries

368,445,8788.21

Latest substantial holder notice (InvestSMART, Oct 2026)

BlackRock Group

318,403,4136.84

Substantial holder notice

The Vanguard Group, Inc.

276,360,2216.10

Substantial holder notice

Competitive Landscape

Competitors by Segment

SegmentCompetitorPositioning vs South32

Manganese ore

Eramet (Comilog, Gabon)

Peer in high-grade ore; integrated alloys

Manganese ore

Assmang (African Rainbow Minerals / Assore)

Major Kalahari producer; direct regional rival

Manganese ore

Jupiter Mines / Tshipi é Ntle

Kalahari single-asset producer

Manganese ore

Consolidated Minerals / Ghana Manganese, Brazilian producers

Lower-grade/seaborne supply

Copper

BHP, Freeport-McMoRan, Codelco, Antofagasta, Anglo American/Teck, Glencore, KGHM

South32's 45% of Sierra Gorda (~70–80kt Cu) is sub-scale relative to these majors

Zinc / lead / silver

Glencore, Teck (Red Dog), Boliden, Hindustan Zinc, Fresnillo (silver), Newmont (by-product)

Cannington is a top-tier silver mine; Taylor would rank among the larger new zinc mines globally

Alumina / aluminium (exiting)

Alcoa, Rio Tinto, Norsk Hydro, Rusal, Chalco, Hongqiao, EGA

Being sold to Alcoa

Diversified ASX peers (capital competition)

BHP, Rio Tinto, Glencore (LSE), IGO, Sandfire Resources, MMG

Compete for investor capital in "energy transition metals"

Peer Comparison FY2026

MetricSouth32 (FY26)Alcoa (Q3 CY26, quarter)

Revenue

US$8.1bn underlying (US$5.8bn statutory)

US$3.7bn (quarter; +24% YoY)

Revenue growth

+7% (underlying)

+24% YoY (quarter)

EBITDA margin

31.0% (underlying)

—

Net income

US$1,087M statutory

US$483M (quarter)

R&D intensity

n/d (not reported)

—

Company Snapshot

$6,950M

Revenue

8,892

Employees

2015

Founded

Perth, Australia

Headquarters

SWOT Analysis

Strengths

  • Earnings momentum: FY26 underlying earnings +55% to US$1,032M; underlying EBITDA margin 31.0% (+4.7pp) (FY26 results).
  • High-margin base metals: Sierra Gorda EBITDA US$758M at 66% margin; Cannington US$451M at 53% (FY26).
  • Strong balance sheet: net cash US$283M, undrawn US$1.4bn sustainability-linked RCF to Dec 2028 (FY26).
  • Value-crystallising transaction: Alcoa deal up to US$5.6bn EV plus ~US$1.1bn rehabilitation liability transfer, approved by 99.18% of votes (AGM, 15 Oct 2026).
  • Copper reserve growth: Sierra Gorda Ore Reserve +61% to ~1.1Bt, life to ~2045 (25 Aug 2026).
  • Shareholder return discipline: minimum 40% payout policy; FY26 DPS +55% to US 9.3c; 837M shares bought back since programme inception at A$3.06 average (FY26).

Weaknesses

  • Project execution: Taylor capex up ~US$1.1bn (+53%) with first production delayed to H2 FY28 due to contractor underperformance (30 Apr 2026).
  • Statutory earnings volatility: statutory losses in FY23 (-US$173M) and FY24 (-US$203M); US$464M impairments in FY25.
  • Safety: one fatality in each of FY25 and FY26 (Cerro Matoso; Worsley) (FY26 results).
  • Manganese reliability: Australia Manganese FY27–28 guidance cut to 2,650–2,900kwmt vs 3,031kwmt in FY26 on water constraints (FY26).
  • Low group FCF excluding EAIs: US$107M in FY26 despite record earnings (FY26).
  • Remuneration dissent: only 81.37% support for Remuneration Report (AGM 2026).

Opportunities

  • Sierra Gorda fourth grinding line: ~+30% CuEq from FY31 at ~US$21k/t capital intensity (FY26).
  • Taylor ramp-up: ~US$650M steady-state EBITDA p.a., NPV ~US$3.1bn; Clark decline extension adds ~25% ore handling capacity (FY26).
  • Peake copper and Catabela NE: Exploration Target 1.1–2.9Bt at Catabela NE (H1 FY26).
  • Alcoa contingent consideration: up to US$750M linked to aluminium/alumina prices to 2030, plus US$1.0bn Alcoa equity upside (1 Jul 2026).
  • Capital returns post-completion: ~US$500M initial return; ~A$1.6bn franking credits (FY26 call).
  • Arctic (Ambler) permitting acceleration: accepted under FAST-41 (14 May 2026); Ambler road support (Oct 2025).

Threats

  • Commodity price reversal: FY26 earnings relied on US$596M of price uplift; silver at US$66–71/oz realised is historically elevated (FY26).
  • Producer currency strength: US$159M FX headwind in FY26; FY27 assumes AUD 0.70, ZAR 17.00 (FY26).
  • Transaction completion risk: regulatory approvals and MRN partners' pre-emptive rights outstanding (FY26).
  • Ratings pressure: S&P and Moody's placed BBB+/Baa1 under review due to reduced scale and diversification (FY26).
  • Geopolitics and trade: US tariffs cited in Taylor overrun; Middle East conflict raising freight and input costs (FY26).
  • Jurisdictional/energy risk: Mozal idled for lack of affordable power; Hillside exposed to load-shedding (FY26).

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Key Developments

DateEventSignificance
1 May 2025BlackRock crosses substantial holding threshold (6.14% of voting rights)Institutional accumulation
12 May 2025CEO transition announced: Matthew Daley to join as Deputy CEO on 2 Feb 2026Leadership succession after Kerr's decade; copper/Americas operator profile
3 Jun 2025South Africa Manganese alloy operations divestedFurther simplification
Jul 2025Agreement to sell Cerro Matoso to CoreX (up to US$100M)Exit nickel
Aug 2025Mozal impairment flagged (~US$372M per Reuters); warning of care and maintenance from Mar 2026Power-price risk crystallises
28 Aug 2025FY25 results: underlying earnings US$666M (+75%); net cash US$123M; capital management extended 12 monthsEarnings inflection; missed Visible Alpha consensus of US$698M
Oct 2025Sept quarter: FY26 guidance reiterated; manganese +33% QoQ; Kerr welcomes US government support for Ambler access roadOperational recovery at GEMCO; Alaska optionality
23 Oct 20252025 AGM (10th anniversary); Cooper and Mtoba retire; buy-back extended to 11 Sep 2026Board renewal
1 Dec 2025Cerro Matoso divestment completedPortfolio exit complete
Dec 2025Brazil Aluminium unplanned pot outages and energy disruptionsOperator stability issues
22 Jan 2026Dec quarter: "consistent" performance; shares +5.3% to A$4.40, highest since Apr 2023Market re-rating begins
2 Feb 2026Matt Daley commences as Deputy CEOTransition underway
12 Feb 2026H1 FY26: underlying earnings US$435M (+16%); interim dividend US 3.9c; capital management increased to US$2.6bn; Catabela NE Exploration Target; Taylor reassessment flaggedSignal of Hermosa cost risk
12 Feb 2026New director appointment announcedBoard renewal
2 Mar 2026Chair succession: Stephen Pearce to succeed Karen WoodGovernance transition
14 Mar 2026Contractor fatality at Worsley AluminaSafety setback; regulatory investigation
15–16 Mar 2026Mozal placed on care and maintenanceLoss of ~US$1bn revenue run-rate; US$122M significant items
Q3 FY26Weather: Cannington third-party rail outage; Worsley third-party gas disruption; Sierra Gorda wet weatherVolume timing impacts
1 Apr 2026Sinead Kaufman joins BoardBoard renewal
22 Apr 2026March quarter: record alumina YTD; record Sierra Gorda distribution US$135M (quarter)Cash generation
30 Apr 2026Hermosa update: Taylor capex +~US$1.1bn to ~US$3.3bn; first production H2 FY28 (one year later); life +5 years to ~33; Taylor reserves +52% to 99Mt; shares fell 5–8%Largest negative catalyst of the period; contractor underperformance, tariffs, inflation cited
12 May 2026Precursor to portfolio announcement
14 May 2026Arctic (Ambler) accepted as a FAST-41 covered projectPermitting acceleration
20 May / 16 Jun 2026Changes in substantial holdings (State Street increasing toward 8.2%)Institutional flows
8 Jun 2026Sierra Gorda JV signs MoU with BHP's Spence minePotential regional synergies
30 Jun 2026Kerr steps down; Sierra Gorda fourth grinding line approvedGrowth sanction in copper
1 Jul 2026Alcoa deal (up to US$5.6bn); Daley becomes CEO; shares +~9%Transformational
7 Jul 2026Hermosa Final Record of Decision issued by USFSDe-risks permitting
20 Jul 2026June quarter: FY26 group production guidance exceeded; Q4 sales volumes +15%; Sierra Gorda record FY distributions US$401MStrong finish
3 Aug 2026Lead Team streamlined to five membersFirst phase of US$125M cost-out
Aug 2026Shares reach four-year high (~A$4.94); up ~66% over 12 monthsRe-rating
25 Aug 2026Sierra Gorda Ore Reserve +61% to ~1.1BtCopper life extension to ~2045
27 Aug 2026FY26 results: underlying EBITDA US$2,462M; underlying earnings US$1,032M; final dividend US 5.4c (US$242M); FY27 Australia Manganese guidance cut to 2,650–2,900kwmtRecord-tier result; GEMCO water issue
28 Aug 2026Director dealings: Chair buys 40,000 shares; CEO sells 113,924 sharesMixed insider signal (CEO sale likely tax/vesting-related; n/d)
9 Sep 2026Alcoa Form S-4 released (cross-posted to ASX)Transaction documentation
10 Sep 2026Notice of 2026 AGM, including Resolution 7 (Alcoa disposal)Shareholder vote set
17 Sep 2026Ex-dividend (ASX/LSE)—
15 Oct 2026AGM: all resolutions carried; Alcoa disposal 99.18% for (0.54% against); Healy and Kaufman elected; Remuneration Report 81.37%Key condition satisfied; remuneration dissent notable
15 Oct 2026Final FY26 dividend paid—
~16 Oct 2026Alcoa Q3 2026 results report US$2.6bn financing secured for the South32 asset acquisitionBuyer funding de-risked
19–20 Oct 2026 (upcoming)September 2026 Quarterly ReportFirst quarter under Daley

Product Offering

  • SOUTH32
    • Worsley Alumina

Financial Performance

Explore key financial metrics, segmented revenue, balance sheet health, and performance trends.

Revenue

2 charts
Revenue by Segment (%): Sierra Gorda to Worsley Alumina: Sierra Gorda rose from 832% in FY2025 to 1,154% in FY2026.
SOUTH32 — Revenue by Segment (%): Sierra Gorda to Worsley Alumina
Series (%)FY2025FY2026
Sierra Gorda8321,154
Cannington659852
Australia Manganese42675
South Africa Manganese353364
Worsley Alumina1,9171,319

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