REG - South32 Limited - Quarterly Report: September 2025
Tue 07:00
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RNS Number : 1161E South32 Limited 21 October 2025
QUARTERLY REPORT
September 2025
South32 Chief Executive Officer, Graham Kerr: "We delivered another period of
strong operating performance as we continued our focus on safe and reliable
operations.
"Production highlights included a 12 per cent increase in payable copper
equivalent production at Sierra Gorda and a 33 per cent uplift in manganese
volumes, as we successfully executed the operational recovery plan at
Australia Manganese.
"Our financial position remains strong as we continued our investment in
growth at Hermosa, supported by US$117 million in net distributions from our
Sierra Gorda and manganese equity accounted investments during the quarter.
"At Hermosa, we continued critical path shaft sinking for our Taylor
zinc-lead-silver project, while the exploration decline for the Clark
battery-grade manganese deposit remains on track to be completed in the
December 2025 quarter.
"In addition to Hermosa, we continue to advance a pipeline of high-quality
base metals development and exploration options.
"We welcome the decision of the US Government to support the establishment of
the Ambler Access Road. This is a key step in unlocking the potential of the
Ambler Mining District, where we hold high-grade copper and zinc options.
"Looking ahead, we remain focused on maintaining our operating momentum and
capitalising on strengthening market conditions in base metals."
· FY26 production guidance remains unchanged across all operations.
· Alumina production increased by 1% as Brazil Alumina operated above nameplate
capacity, while Worsley Alumina benefitted from improved bauxite supply and
completed planned calciner maintenance.
· Aluminium production increased by 1% as Hillside Aluminium continued to test
its maximum technical capacity and Mozal Aluminium lifted production by 3%,
despite the decision to stop pot relining due to uncertain future electricity
supply(1).
· Sierra Gorda payable copper equivalent production(2) increased by 12%, due to
higher planned copper grades and a significant uplift in molybdenum volumes.
Net distributions of US$81M (South32 share) were received from Sierra Gorda in
the quarter.
· Cannington payable zinc equivalent production(3) declined by 19%, as
anticipated, with improved underground mining performance offset by lower
average metals grades.
· Manganese production increased by 33%, as Australia Manganese executed its
operational recovery plan and ramped up export shipments as planned, while
South Africa Manganese also delivered a strong start to the year.
· Australia Manganese finalised insurance claims related to Tropical Cyclone
Megan, with an additional US$153M (100% basis) in external insurance
recoveries agreed in the quarter, bringing final approved recoveries to
US$503M (100% basis).
· Divestment of Cerro Matoso remains on track to be completed in the December
2025 quarter, further streamlining our portfolio towards higher-margin
businesses in commodities critical to the global energy transition.
· Negotiations to secure sufficient and affordable electricity for Mozal
Aluminium have not progressed to provide confidence the smelter will have
access to the required electricity supply when the current agreement expires
in March 2026.
· Paid a fully-franked ordinary dividend of US$117M in respect of the June 2025
half year, subsequent to the end of the quarter.
Production summary
4Q25 1Q26 YTD FY26 FY26e((a)) % of FY26e((a))
Worsley Alumina (kt) 936 934 934 3,750 25%
Brazil Alumina (non-operated) (kt) 334 354 354 1,360 26%
Brazil Aluminium (non-operated) (kt) 38 37 37 160 23%
Hillside Aluminium (kt)(4) 181 181 181 720 25%
Mozal Aluminium (kt)(4) 90 93 93 240 39%((b))
Sierra Gorda (non-operated) (CuEq) (kt)(2) 22.3 24.9 24.9 85.7 29%
Cannington (ZnEq) (kt)(3) 59.5 48.3 48.3 200.6 24%
Cerro Matoso (kt) 9.7 9.4 9.4 16.0 59%((c))
Australia Manganese (kwmt) 467 854 854 3,200 27%
South Africa Manganese (kwmt) 593 551 551 2,000 28%
(a) The denotation (e) refers to an estimate or forecast year.
(b) FY26e production guidance for Mozal Aluminium reflects the period ending
March 2026.
(c) FY26e production guidance for Cerro Matoso reflects the period ending
December 2025.
CORPORATE UPDATE
· We continue to implement our global Safety Improvement Program, including
investment in safety leadership through our LEAD Safely Every Day program,
together with further simplification of our systems and improved effectiveness
of controls.
· In August 2025, we published our second Climate Change Action Plan (CCAP
2025), building on our inaugural Climate Change Action Plan 2022. Our CCAP
2025 outlines how we are positioning our portfolio for the energy transition,
reducing our operational emissions, supporting emissions reduction across our
value chain, and strengthening physical climate resilience. Our CCAP 2025 will
be the subject of a non-binding advisory shareholder vote at our 2025 Annual
General Meeting.
· Net cash(5) declined by US$59M to US$64M in the September 2025 quarter, as we
continued our investment in growth at Hermosa, and experienced a temporary
build in working capital of ~US$100M. The increase in working capital
reflected higher finished goods inventories due to the timing of shipments, as
well as payments accrued in the prior period.
· We received net distributions(6) of US$117M (South32 share) from our equity
accounted investments (EAI) in the September 2025 quarter, with US$81M from
Sierra Gorda and US$36M from our manganese business. We expect further
distributions from both Sierra Gorda and our manganese business to add to cash
generation in the December 2025 quarter.
· Australia Manganese completed the insurance settlement related to the impacts
of Tropical Cyclone Megan, with an additional US$153M (100% basis) in external
insurance recoveries agreed during the September 2025 quarter. This brings the
final approved external insurance recoveries to a total of US$503M (100%
basis).
· We invested US$82M in Group capital expenditure (excluding EAIs and Hermosa)
during the September 2025 quarter.
· We made Group tax payments (excluding EAIs) of US$50M during the September
2025 quarter.
· We returned US$7M to shareholders via our on-market share buy-back in
September 2025, purchasing 4M shares at an average price of A$2.63 per share.
Our US$2.5B capital management program is 94% complete, with US$136M to be
returned to shareholders ahead of its extension or expiry on 11 September
2026(7).
· Following the end of the September 2025 quarter, we paid a fully-franked
ordinary dividend of US$117M in respect of the June 2025 half year.
DEVELOPMENT AND EXPLORATION UPDATE
Hermosa project
· We invested US$160M(8) of growth capital expenditure at Hermosa during the
September 2025 quarter, as we progressed construction of the Taylor
zinc-lead-silver project and an exploration decline for the Clark
battery-grade manganese deposit. In addition, lease payments for self
generated power assets were US$12M during the September 2025 quarter.
· At Taylor, we continued critical path shaft sinking for both the ventilation
and main shafts. The ventilation shaft is expected to reach the first
underground mining level during the December 2025 quarter, at which point we
will commence lateral development and shaft station construction before
resuming sinking.
· Surface infrastructure construction also progressed, with initial foundation
works for the primary mill in the process plant completed during the September
2025 quarter. Construction activity for the process plant is on track to
increase across FY26.
· Construction of the exploration decline for Clark remains on track to be
completed in the December 2025 quarter.
· We invested US$6M in capitalised exploration during the September 2025 quarter
as we continued exploration drilling at the Peake copper deposit. Concept
studies are progressing on the potential to develop Peake, leveraging the
infrastructure established for Taylor.
Ambler Metals project
· On 6 October 2025, the President of the United States approved the appeal by
the Alaska Industrial Development and Export Authority directing his
Administration to issue authorisations necessary for the establishment of the
Ambler Access Road(9). The Ambler Access Road is a key enabler in unlocking
the value of the Ambler Mining District, where we hold high-grade copper and
zinc options through our 50% interest in the Ambler Metals joint venture and
our 100% interest in the Roosevelt exploration project.
· Separately, the US Government has agreed to acquire an initial ~10% equity
interest in Trilogy Metals Inc. (Trilogy) (10), our 50% joint venture partner
in Ambler Metals, to support exploration and development activities. As part
of this investment, we have agreed to sell ~8.2M shares in Trilogy for cash
consideration of ~US$17.8M and to issue a 10-year call option for an
additional ~6.2M Trilogy shares held by South32, exercisable only following
construction of the Ambler Access Road. Proceeds from the initial share sale
will be reinvested into exploration and development at Ambler Metals. On
completion of the initial investment, we will retain ~10.4M shares in Trilogy,
representing a ~6% equity interest.
Greenfield exploration
· We invested US$7M in our greenfield exploration opportunities during the
September 2025 quarter as we progressed multiple exploration programs
targeting base metals in highly prospective regions.
· We expanded our pipeline of base metals exploration options through strategic
alliances with Orogen Royalties Inc. targeting projects in western North
America, and Aurum Discovery Limited, focusing on early stage prospects in
Norway and Ireland.
Other exploration
· We invested US$13M (US$9M capitalised) in exploration programs at our existing
operations and development options during the September 2025 quarter,
including US$6M at the Hermosa project (noted above, all capitalised), US$3M
for our Sierra Gorda EAI (US$2M capitalised) and US$2M for our manganese EAI
(nil capitalised).
WORSLEY ALUMINA (86% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Alumina production (kt) 850 934 10% 850 936 934 10% (0%)
Alumina sales (kt) 824 878 7% 824 1,000 878 7% (12%)
Worsley Alumina saleable production was largely unchanged at 934kt in the
September 2025 quarter, supported by improved bauxite supply to the refinery,
while planned calciner maintenance was completed. FY26 production guidance
remains unchanged at 3,750kt.
Sales decreased by 12% in the September 2025 quarter following a drawdown of
inventory in the prior quarter and the timing of shipments.
BRAZIL ALUMINA (36% SHARE, NON-OPERATED)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Alumina production (kt) 334 354 6% 334 334 354 6% 6%
Alumina sales (kt) 326 332 2% 326 335 332 2% (1%)
Brazil Alumina saleable production increased by 6% (or 20kt) to 354kt in the
September 2025 quarter, as the refinery operated above nameplate capacity,
driven by improved plant availability. FY26 production guidance remains
unchanged at 1,360kt.
BRAZIL ALUMINIUM (40% SHARE, NON-OPERATED)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Aluminium production (kt) 30 37 23% 30 38 37 23% (3%)
Aluminium sales (kt) 25 29 16% 25 46 29 16% (37%)
Brazil Aluminium saleable production decreased by 3% (or 1kt) to 37kt in the
September 2025 quarter, reflecting a temporary reduction in amperage and pots
in operation to manage the ramp up of all three potlines. The smelter's
operating performance and production volumes improved towards the end of the
September 2025 quarter, with FY26 production guidance remaining unchanged at
160kt.
Sales decreased by 37% in the September 2025 quarter due to the timing of
export shipments.
HILLSIDE ALUMINIUM (100% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Aluminium production (kt) 180 181 1% 180 181 181 1% 0%
Aluminium sales (kt) 175 169 (3%) 175 194 169 (3%) (13%)
Hillside Aluminium saleable production was unchanged at 181kt in the September
2025 quarter, as the smelter continued to test its maximum technical capacity,
despite the impact of load-shedding. FY26 production guidance remains
unchanged at 720kt(4).
Sales decreased by 13% in the September 2025 quarter as a shipment slipped to
the December 2025 quarter.
MOZAL ALUMINIUM (63.7% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Aluminium production (kt) 88 93 6% 88 90 93 6% 3%
Aluminium sales (kt) 86 100 16% 86 105 100 16% (5%)
Mozal Aluminium saleable production increased by 3% (or 3kt) to 93kt in the
September 2025 quarter, as the smelter operated near its maximum technical
capacity, prior to our decision in August 2025 to stop pot relining due to the
uncertainty of future electricity supply beyond March 2026(1). FY26 production
guidance remains unchanged at 240kt(4), based on operations continuing to
March 2026, when the current electricity supply agreement expires.
We are continuing to actively engage with the Government of the Republic of
Mozambique, Hidroeléctrica de Cahora Bassa (HCB) and Eskom on securing
sufficient and affordable electricity for Mozal Aluminium. Despite our
efforts, negotiations have not progressed to provide confidence that Mozal
Aluminium will secure sufficient and affordable electricity supply beyond
March 2026. Without the required electricity supply, we expect that Mozal
Aluminium will be placed on care and maintenance at the end of the current
agreement.
SIERRA GORDA (45% SHARE, NON-OPERATED)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Payable copper equivalent production (kt)(2) 22.5 24.9 11% 22.5 22.3 24.9 11% 12%
Payable copper production (kt) 17.6 18.3 4% 17.6 17.7 18.3 4% 3%
Payable copper sales (kt) 17.9 17.2 (4%) 17.9 18.1 17.2 (4%) (5%)
Sierra Gorda payable copper equivalent production(2) increased by 12% (or
2.6kt) to 24.9kt in the September 2025 quarter, due to higher planned copper
grades, and a significant uplift in molybdenum recoveries in the current phase
of the mine plan. FY26 payable copper equivalent production(2) guidance
remains unchanged at 85.7kt.
During the September 2025 quarter, Sierra Gorda advanced the feasibility study
for the fourth grinding line project, including additional engineering work on
the tailings thickeners. An update on the fourth grinding line project will be
provided with our December 2025 half year financial results.
CANNINGTON (100% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Payable zinc equivalent production (kt)(3) 48.9 48.3 (1%) 48.9 59.5 48.3 (1%) (19%)
Payable silver production (koz) 1,915 2,067 8% 1,915 2,578 2,067 8% (20%)
Payable silver sales (koz) 2,342 2,149 (8%) 2,342 3,056 2,149 (8%) (30%)
Payable lead production (kt) 19.3 21.3 10% 19.3 25.1 21.3 10% (15%)
Payable lead sales (kt) 25.1 21.0 (16%) 25.1 25.2 21.0 (16%) (17%)
Payable zinc production (kt) 12.1 8.3 (31%) 12.1 10.6 8.3 (31%) (22%)
Payable zinc sales (kt) 12.6 7.3 (42%) 12.6 13.1 7.3 (42%) (44%)
Cannington payable zinc equivalent production(3) decreased by 19% (or 11.2kt)
to 48.3kt in the September 2025 quarter, as anticipated, with improved
underground mining performance more than offset by lower average metal grades.
FY26 payable zinc equivalent production(3) guidance remains unchanged at
200.6kt, supported by higher average metal grades across the remainder of the
year, in accordance with the mine plan.
CERRO MATOSO (99.9% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Payable nickel production (kt) 8.6 9.4 9% 8.6 9.7 9.4 9% (3%)
Payable nickel sales (kt) 8.8 10.3 17% 8.8 9.8 10.3 17% 5%
Cerro Matoso payable nickel production decreased by 3% (or 0.3kt) to 9.4kt in
the September 2025 quarter, as improved plant availability was more than
offset by lower planned nickel grades. Payable nickel production guidance for
the December 2025 half year remains unchanged at 16.0kt.
The divestment of Cerro Matoso to a subsidiary of CoreX Holding B.V. remains
on track to be completed in the December 2025 quarter, subject to the
satisfaction of remaining conditions precedent(11).
AUSTRALIA MANGANESE (60% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Manganese ore production (kwmt) - 854 N/A - 467 854 N/A 83%
Manganese ore sales (kwmt) - 944 N/A - 253 944 N/A 273%
Australia Manganese saleable production increased to 854kwmt in the September
2025 quarter, as we successfully executed the operational recovery plan and
ramped up export shipments as planned. FY26 production guidance remains
unchanged at 3,200kwmt, subject to potential impacts from the wet season.
Sales increased to 944kwmt in the September 2025 quarter, as shipping rates
reached full capacity following the commissioning of new wharf infrastructure.
SOUTH AFRICA MANGANESE (54.6% SHARE)
South32 share YTD FY25 YTD FY26 YoY 1Q25 4Q25 1Q26 1Q26 1Q26
vs vs
1Q25 4Q25
Manganese ore production (kwmt) 597 551 (8%) 597 593 551 (8%) (7%)
Manganese ore sales (kwmt) 590 548 (7%) 590 601 548 (7%) (9%)
South Africa Manganese saleable production decreased by 7% (or 42kwmt) to
551kwmt in the September 2025 quarter, reflecting underground development
activity at Wessels. FY26 production guidance remains unchanged at 2,000kwmt,
with planned maintenance scheduled in the December 2025 quarter.
NOTES
1. Refer to market release "Mozal Aluminium Update" dated 14 August 2025.
2. Payable copper equivalent production (CuEq) (kt) was calculated by aggregating
revenues from copper, molybdenum, gold and silver, and dividing the total
Revenue by the price of copper. FY25 realised prices for copper (US$4.18/lb),
molybdenum (US$21.12/lb), gold (US$2,877/oz) and silver (US$31.7/oz) have been
used for FY25, Q1 FY26 and FY26e.
3. Payable zinc equivalent production (ZnEq) (kt) was calculated by aggregating
revenues from silver, lead and zinc, and dividing the total Revenue by the
price of zinc. FY25 realised prices for zinc (US$2,648/t), lead (US$1,883/t)
and silver (US$31.9/oz) have been used for FY25, Q1 FY26 and FY26e.
4. Production guidance for Hillside Aluminium and Mozal Aluminium does not assume
any load-shedding impact on production.
5. Net cash number is unaudited and should not be considered as an indication of
or alternative to an IFRS measure of profitability, financial performance or
liquidity.
6. Net distributions from our material equity accounted investments (EAI)
(manganese and Sierra Gorda) includes dividends, capital contributions and net
repayments/drawdowns of shareholder loans, which are unaudited and should not
be considered as an indication of or alternative to an IFRS measure of
profitability, financial performance or liquidity.
7. Since inception of our capital management program, US$1.8B has been allocated
to our on-market share buy-back (824M shares at an average price of A$3.06 per
share) and US$525M returned in the form of special dividends.
8. Hermosa growth capital expenditure excludes lease payments for self generated
power assets directly attributable to construction of infrastructure at the
Taylor deposit. These self generated power costs were included in our capital
cost estimate provided in market release "Final Investment Approval to Develop
Hermosa's Taylor Deposit" dated 15 February 2024.
9. Refer to news release by Trilogy Metals Inc. "Trilogy Metals Applauds
President Trump's Decision to Grant Permits for the Ambler Access Project to
Enable the Development of Critical Minerals in Alaska" dated 6 October 2025
(https://trilogymetals.com/news-and-media/news/trilogy-metals-applauds-president-trumps-decision-to-grant-permits-for-the-ambler-access-project-to-enable-the-development-of/
(https://trilogymetals.com/news-and-media/news/trilogy-metals-applauds-president-trumps-decision-to-grant-permits-for-the-ambler-access-project-to-enable-the-development-of/)
).
10. Refer to media release "South32 backs U.S. Government move to advance critical
minerals in Alaska" dated 7 October 2025.
11. Refer to market release "Agreement to Divest Cerro Matoso" dated 7 July 2025.
The following abbreviations have been used throughout this report: US$ million
(US$M); US$ billion (US$B); grams per tonne (g/t); tonnes (t); thousand tonnes
(kt); thousand tonnes per annum (ktpa); million tonnes (Mt); million tonnes
per annum (Mtpa); ounces (oz); thousand ounces (koz); million ounces (Moz);
thousand wet metric tonnes (kwmt); million wet metric tonnes (Mwmt); million
wet metric tonnes per annum (Mwmt pa); dry metric tonne unit (dmtu); thousand
dry metric tonnes (kdmt).
Figures in italics indicate that an adjustment has been made since the figures
were previously reported. The denotation (e) refers to an estimate or forecast
year.
OPERATING PERFORMANCE
South32 share YTD FY25 YTD FY26 1Q25 2Q25 3Q25 4Q25 1Q26
Worsley Alumina (86% share)
Alumina hydrate production (kt) 932 940 932 940 931 922 940
Alumina production (kt) 850 934 850 1,000 941 936 934
Alumina sales (kt) 824 878 824 965 910 1,000 878
Brazil Alumina (36% share)
Alumina production (kt) 334 354 334 348 324 334 354
Alumina sales (kt) 326 332 326 365 323 335 332
Brazil Aluminium (40% share)
Aluminium production (kt) 30 37 30 34 36 38 37
Aluminium sales (kt) 25 29 25 36 31 46 29
Hillside Aluminium (100% share)
Aluminium production (kt) 180 181 180 182 175 181 181
Aluminium sales (kt) 175 169 175 192 171 194 169
Mozal Aluminium (63.7% share)
Aluminium production (kt) 88 93 88 90 87 90 93
Aluminium sales (kt) 86 100 86 88 72 105 100
Sierra Gorda (45% share)
Ore mined (Mt) 6.4 5.5 6.4 6.2 4.9 5.5 5.5
Ore processed (Mt) 5.6 5.5 5.6 5.5 5.2 5.4 5.5
Copper ore grade processed (%, Cu) 0.41 0.42 0.41 0.44 0.42 0.40 0.42
Payable copper equivalent production (kt)(2) 22.5 24.9 22.5 24.7 20.2 22.3 24.9
Payable copper production (kt) 17.6 18.3 17.6 19.1 17.0 17.7 18.3
Payable copper sales (kt) 17.9 17.2 17.9 20.0 16.9 18.1 17.2
Payable molybdenum production (kt) 0.4 0.8 0.4 0.5 0.2 0.4 0.8
Payable molybdenum sales (kt) 0.2 0.6 0.2 0.5 0.3 0.3 0.6
Payable gold production (koz) 7.7 6.3 7.7 8.2 5.7 6.3 6.3
Payable gold sales (koz) 7.8 5.9 7.8 8.4 6.0 6.3 5.9
Payable silver production (koz) 151 159 151 150 131 152 159
Payable silver sales (koz) 157 151 157 160 130 152 151
South32 share YTD FY25 YTD FY26 1Q25 2Q25 3Q25 4Q25 1Q26
Cannington (100% share)
Ore mined (kwmt) 438 585 438 561 457 504 585
Ore processed (kdmt) 440 504 440 542 427 535 504
Silver ore grade processed (g/t, Ag) 163 148 163 241 176 175 148
Lead ore grade processed (%, Pb) 5.1 5.0 5.1 6.5 5.0 5.6 5.0
Zinc ore grade processed (%, Zn) 3.7 2.3 3.7 2.8 3.4 2.8 2.3
Payable zinc equivalent production (kt)(3) 48.9 48.3 48.9 76.9 48.9 59.5 48.3
Payable silver production (koz) 1,915 2,067 1,915 3,700 2,099 2,578 2,067
Payable silver sales (koz) 2,342 2,149 2,342 3,127 2,494 3,056 2,149
Payable lead production (kt) 19.3 21.3 19.3 30.3 17.7 25.1 21.3
Payable lead sales (kt) 25.1 21.0 25.1 29.2 19.8 25.2 21.0
Payable zinc production (kt) 12.1 8.3 12.1 10.8 11.0 10.6 8.3
Payable zinc sales (kt) 12.6 7.3 12.6 10.4 9.6 13.1 7.3
Cerro Matoso (99.9% share)
Ore mined (kwmt) 1,338 1,041 1,338 1,310 1,076 1,129 1,041
Ore processed (kdmt) 664 736 664 732 675 714 736
Ore grade processed (%, Ni) 1.46 1.40 1.46 1.49 1.48 1.47 1.40
Payable nickel production (kt) 8.6 9.4 8.6 9.9 8.9 9.7 9.4
Payable nickel sales (kt) 8.8 10.3 8.8 8.9 9.2 9.8 10.3
Australia Manganese (60% share)
Manganese ore production (kwmt) - 854 - 639 - 467 854
Manganese ore sales (kwmt) - 944 - - - 253 944
Ore grade sold (%, Mn) - 41.4 - - - 41.7 41.4
South Africa Manganese (54.6% share)
Manganese ore production (kwmt) 597 551 597 485 476 593 551
Manganese ore sales (kwmt) 590 548 590 498 407 601 548
Ore grade sold (%, Mn) 38.9 38.3 38.9 39.1 38.9 38.7 38.3
Forward-looking statements
This release contains forward-looking statements, including statements about
trends in commodity prices and currency exchange rates; demand for
commodities; production forecasts; plans, strategies and objectives of
management; capital costs and scheduling; operating costs; anticipated
productive lives of projects, mines and facilities; and provisions and
contingent liabilities. These forward-looking statements reflect expectations
at the date of this release, however they are not guarantees or predictions of
future performance. They involve known and unknown risks, uncertainties and
other factors, many of which are beyond our control, and which may cause
actual results to differ materially from those expressed in the statements
contained in this release. Readers are cautioned not to put undue reliance on
forward-looking statements. Except as required by applicable laws or
regulations, the South32 Group does not undertake to publicly update or review
any forward-looking statements, whether as a result of new information or
future events. Past performance cannot be relied on as a guide to future
performance. South32 cautions against reliance on any forward-looking
statements or guidance.
FURTHER INFORMATION
INVESTOR RELATIONS MEDIA RELATIONS
Ben Baker Jamie Macdonald
M +61 408 925 140
M +61 403 763 086
E Jamie.Macdonald@south32.net
E Ben.Baker@south32.net
Approved for release to the market by Graham Kerr, Chief Executive Officer
JSE Sponsor: The Standard Bank of South Africa Limited
21 October 2025
South32 Limited
(Incorporated in Australia under the Corporations Act 2001 (Cth))
(ACN 093 732 597)
ASX / LSE / JSE Share Code: S32; ADR: SOUHY
ISIN: AU000000S320
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