Antofagasta (ANTO.L) — Company Research

Last Updated: 9 May 2026

Antofagasta plc is a London-listed, Chile-operating copper mining group, incorporated in 1888 and headquartered at 103 Mount Street, London. The company is a constituent of the FTSE 100 and reports in US dollars while trading in pence on the London Stock Exchange under the ticker ANTO.L; it is a subsidiary of Metalinvest Anstalt. The most recent full reporting year captured in this report's source data — fiscal year ended 31 December 2025 — produced revenue of $8,620.3m, operating income of $3,402.6m, net income (attributable to parent) of $1,328.9m, operating cash flow of $3,071.6m and free cash flow of −$612.9m on capex of $3,684.5m. Intraday on 9 May 2026 the stock traded at 3,897.5 GBp, capitalising the equity at approximately £38.42 billion at yfinance's mechanical convention. This research note is built entirely from the company's reported dataset and primary news URLs, with no analyst opinions or price targets included. Note: the dataset for this report contains no SEC 10-K or 20-F filing — Antofagasta is a UK-incorporated FTSE 100 issuer that reports under IFRS via its UK Annual Report and London-Stock-Exchange RNS announcements, and is not a US-listed registrant requiring a 10-K. As a result, mine-by-mine production splits across Los Pelambres, Centinela, Antucoya and Zaldívar; the geographic and customer-concentration revenue mix; copper- versus by-product (gold, silver, molybdenum) revenue contribution; per-pound cash-cost and net-cash-cost disclosures; capex breakdown by project (Centinela Second Concentrator, Los Pelambres expansion, sustaining capex); ore-grade and reserves/resources progression; and the divisional MD&A narrative that would normally be sourced from a 10-K/20-F or the UK Annual Report are not quoted in this report. Investors should consult Antofagasta's investor-relations website at antofagasta.co.uk directly for those details.

1. Company Snapshot

Name	Antofagasta plc
Ticker	ANTO.L (London Stock Exchange)
Sector / Industry	Basic Materials / Copper
Country of incorporation	United Kingdom
Country of operations	Predominantly Chile
Reporting currency	US dollar (USD)
Trading currency (LSE)	British pence (GBp)
Market cap	≈ £38.42 billion (mechanical convention — see Section 6 note)
Enterprise value	≈ $45.23 billion (per dataset)
Latest fiscal-year revenue	$8,620.3 million (FY2025, ended 31 December 2025)
Total assets	$26,418.4 million
Employees	8,457
CEO	Mr. Iván Arriagada Herrera
Headquarters	103 Mount Street, London, United Kingdom
Website	antofagasta.co.uk
Price (intraday 9 May 2026)	3,897.5 GBp
Previous close	3,898.5 GBp
Day range (9 May 2026)	3,848.5 GBp – 3,998.0 GBp
52-week high	4,475.0 GBp
52-week low	1,675.5 GBp
Beta	1.349
Dividend yield (trailing)	1.23%
Founded / incorporated	1888
Parent	Metalinvest Anstalt

2. Bull Case vs Bear Case

Bull case

• Revenue and operating profit have stepped up sharply in FY2025. Group revenue grew from $6,613.4m in FY2024 to $8,620.3m in FY2025 (+30.35% YoY, per revenue_growth_yoy), and operating income more than doubled from $1,662.7m to $3,402.6m (+104.6%). Operating margin expanded from 25.14% to 39.47% (per ratios.operating_margin) — a 1,433-basis-point widening in a single year.
• Net income (attributable to the parent) grew from $829.4m in FY2024 to $1,328.9m in FY2025 (+60.2% YoY), with the FY2025 net margin at 15.42% (per ratios.net_margin). Return on equity at FY2025 was 12.81% (per ratios.roe).
• Operating cash flow grew from $2,285.3m in FY2024 to $3,071.6m in FY2025 (+34.4%), comfortably ahead of the headline revenue growth rate. Cash and equivalents grew from $2,189.2m at end-FY2024 to $2,716.5m at end-FY2025 (+24.1%).
• The balance sheet remains comfortably liquid at the working-capital level. FY2025 current ratio is 2.90× (per ratios.current_ratio), with current assets of $7,146.8m against current liabilities of $2,463.2m. Debt-to-equity is 0.68× (per ratios.debt_to_equity), with total debt of $7,073.3m against total equity of $10,370.1m.
• Per the 21 February 2026 GuruFocus recent_news entry summarising the FY2025 earnings call: "Antofagasta PLC (ANFGF) reports a 30% revenue increase and a 52% rise in EBITDA, while maintaining a strong balance sheet and advancing key projects." Per the 17 February 2026 MarketBeat recent_news entry, management used the full-year results presentation to highlight "record profitability in 2025, continued progress on a fully funded growth program, and a focus on safety and sustainability as it builds toward a planned production step-up later in the decade."
• The 52-week trading range is 1,675.5 GBp to 4,475.0 GBp; the 9 May 2026 price of 3,897.5 GBp sits 12.9% below the 52-week high and approximately 132.6% above the 52-week low — i.e., the stock has re-rated meaningfully off its trailing-year low.
• Dividend coverage by operating cash flow is comfortable in absolute terms: FY2025 dividends paid of $395.4m versus FY2025 operating cash flow of $3,071.6m implies an OCF-to-dividend coverage of approximately 7.8×.

Bear case

• Free cash flow has been negative or near-zero in three of the last four reported years. The four-year FCF cadence is FY2022 −$2.3m, FY2023 +$203.8m, FY2024 −$129.3m, FY2025 −$612.9m, driven by capex stepping up from $1,879.2m in FY2022 to $3,684.5m in FY2025 — a 96.1% increase in three years. The FY2025 FCF yield is −1.6% (per ratios.fcf_yield).
• Capex outran operating cash flow in FY2025 by $612.9m. With capex at $3,684.5m and operating cash flow at $3,071.6m, the company self-funded only 83.4% of its FY2025 capital programme from current operations, with the balance financed via the gross-debt build (total debt rose from $5,349.0m at end-FY2024 to $7,073.3m at end-FY2025, a $1,724.3m increase) and balance-sheet cash drawdown / equity issuance / working-capital movement disclosures that are not separately enumerated in this dataset.
• Total debt has risen materially across the four-year window. Total debt grew from $3,274.5m at end-FY2022 to $7,073.3m at end-FY2025 (+115.9% over three years), and long-term debt grew from $2,765.4m to $6,512.8m (+135.5%) over the same period. Interest expense rose from $95.5m in FY2022 to $370.8m in FY2025 (+288.3%), a four-fold increase across three years.
• Reported earnings in FY2025 ($1,328.9m net income) remain below the FY2022 figure ($1,533.0m) despite revenue having grown 47.1% across that span. The FY2022–FY2025 net-margin compression — from 26.15% in FY2022 to 15.42% in FY2025 — reflects (a) lower realised copper price years in FY2023/FY2024, (b) elevated cost inflation and (c) the rising interest-expense burden. The dataset's eps_diluted field for FY2025 is null and the FY2025 EPS line is therefore not asserted in this report.
• Dividends paid have declined materially across the four-year window. FY2022 dividends paid of $1,263.0m fell to $613.3m in FY2023, $317.5m in FY2024 and $395.4m in FY2025 — a 68.7% decline from the FY2022 peak, consistent with management prioritising the capex programme over the variable-dividend distribution.
• Per the 24 December 2025 Simply Wall St. recent_news entry, the trailing-six-month newsflow includes a meaningful weight of analyst-attributed valuation pieces in both directions (some pointing to upside, others trimming). This report does not rely on any analyst opinion or price target — those items are referenced only to evidence dates and the existence of the broader analyst-attributed valuation debate. Per the 29 April 2026 Simply Wall St. recent_news entry, the analyst price-target spread cited in that piece is wide ("some pushing targets as high as £47.50 and others trimming views toward £32.00"), evidencing the ongoing debate about copper-price leverage and execution risk.
• Per the 14 March 2026 Barron's recent_news entry, "Worries about the Iran war have rocked financial markets, raising concerns that higher oil prices will lead to a global economic slowdown. Copper, one of the more highly cyclical metals, has pulled back as a result." Cyclical metals exposure is the structural risk that frames the entire investment proposition for a single-commodity copper-mining issuer.
• Institutional-holder coverage is sparse in this dataset: only two institutional positions are recorded (Accent Capital Management and Confluence Investment Management) for a £38.4bn FTSE 100 issuer, both with pct_held = 0.0 in the dataset, which means the dataset's holder file is incomplete and not representative of the actual institutional register. Investors should consult Antofagasta's RNS notifications of major holdings (TR-1) directly for the current institutional-register composition and the parent Metalinvest Anstalt's controlling stake.
• The dataset for this report contains no SEC 10-K or 20-F filing, so mine-by-mine revenue, EBITDA and capex splits, copper-price-realisation and by-product credit detail, per-pound cash-cost reporting, mineral reserves and resources, water-rights and tailings-dam disclosures, and the divisional MD&A narrative are not quoted here and should be sourced directly from Antofagasta's published UK Annual Report.

3. What Does This Company Actually Do?

Antofagasta plc, "operates as a mining company," per the company's own description as captured in the dataset. The dataset names six operating segments and describes the product set as "copper cathodes and copper concentrates; molybdenum concentrates; and gold and silver by-products." It also names a transport division providing "rail and road cargo services to mining customers in northern Chile." Geographically, the dataset names operations in "the United Kingdom, Switzerland, Spain, Germany, rest of Europe, Chile, rest of Latin America, the United States, Japan, China, Singapore, South Korea, Hong Kong, and rest of Asia" — i.e., copper concentrate and cathode is mined in Chile and sold globally (with Asian smelter and refiner customers being the primary destination market for Chilean copper).

The six reporting segments named in the dataset's company.description field are:

• Los Pelambres — Antofagasta's largest mine, a long-life copper-molybdenum operation in central Chile producing copper concentrate plus molybdenum and silver by-products
• Centinela — a copper-gold operation in Chile's Antofagasta Region producing both copper concentrate and copper cathode, with a major second-concentrator expansion project under construction
• Antucoya — a copper-cathode (SX-EW) operation in northern Chile
• Zaldívar — a copper-cathode operation in northern Chile (joint-venture interest)
• Exploration and Evaluation — the company's portfolio of greenfield and brownfield exploration projects across Chile and other countries
• Transport Division — rail and road cargo services to mining customers in northern Chile

Because the dataset for this report contains no 10-K/20-F or annual-report extract, the dollar-and-percent contribution of each operating mine (Los Pelambres, Centinela, Antucoya, Zaldívar) to FY2025 group revenue, EBITDA and operating profit, and the dollar split between copper concentrate, copper cathode and by-products (molybdenum, gold, silver), are not disclosed in this report's source data — readers should consult Antofagasta's UK Annual Report and its most recent quarterly production report on the company's investor-relations website at antofagasta.co.uk for the segmental and product income mix. Because the data condition for the Section 3 Revenue Mix Donut chart (≥2 segment percentages quoted from primary disclosure) is not met from this dataset, that visual is intentionally not emitted in this section.

The dataset does not separately disclose physical-volume metrics — total copper produced (tonnes), per-mine copper production, gold by-product production (oz), molybdenum production (tonnes), realised copper price ($/lb), realised by-product prices, net cash costs ($/lb), tonnage of ore mined and milled, head grade, recovery rate, or mineral reserves and resources progression — that would normally be the leading volume-and-pricing primitives for a single-commodity Chilean copper miner. Those metrics are similarly not disclosed in this report's source data.

4. The Business Model

Antofagasta's economics are the standard pure-play copper-miner formula: copper concentrate, copper cathode and by-product revenue collected in US dollars (the global pricing currency for refined and concentrate copper), against a cost base that combines local-currency Chilean operating spend (mine-site labour, energy, contractors, royalties, water, regulatory levies) with hard-currency capex (mining fleet, mill expansions, tailings-dam construction, desalination plants, port logistics). The principal moats are the orebody quality and life of each mine, the SX-EW and concentrator infrastructure already in place, the desalination and water-rights position (a structural advantage in arid northern Chile), the Luksic-group affiliation via parent Metalinvest Anstalt (named in the dataset's company.description), and the rail and road logistics integration provided by the in-house Transport Division.

The FY2025 income statement quantifies the model at the group level (all figures in USD millions unless stated):

• Revenue: $8,620.3m (+30.35% YoY, per revenue_growth_yoy)
• Cost of revenue: $4,316.6m → gross profit $4,303.7m, gross margin 49.93% (per ratios.gross_margin)
• Operating expenses: $901.1m → operating income $3,402.6m, operating margin 39.47% (per ratios.operating_margin)
• Interest expense: $370.8m
• Pretax income: $3,159.5m
• Tax provision: $1,088.2m (effective tax rate 34.4% on pretax)
• Net income (attributable to parent): $1,328.9m → net margin 15.42% (per ratios.net_margin); the gap between pretax-after-tax (≈$2,071.3m) and the headline parent-attributable net income (≈$1,328.9m) is consistent with a non-controlling-interest deduction of approximately $742.4m — Antofagasta's largest-mine partnerships (notably Marubeni's interest in Centinela, the Zaldívar joint venture, and Los Pelambres minority interests) are conventionally accounted for via the non-controlling-interest line, although the precise NCI breakdown is not disclosed in this report's source data.
• Operating cash flow: $3,071.6m; capex: $3,684.5m → free cash flow −$612.9m (FCF margin −7.1%)
• Total assets: $26,418.4m; total liabilities: $11,988.0m; total equity: $10,370.1m; debt-to-equity 0.68× (per ratios.debt_to_equity)
• Total debt: $7,073.3m; long-term debt: $6,512.8m; cash and equivalents: $2,716.5m; net debt approximately $4,356.8m

The four-year operating-margin profile is volatile, as is typical for a single-commodity copper miner with a price-taker position relative to the LME copper price. Operating income was $1,653.4m (28.2% margin) in FY2022, $1,808.5m (28.6%) in FY2023, $1,662.7m (25.1%) in FY2024 and $3,402.6m (39.5%) in FY2025 — i.e., the FY2025 step-up in absolute operating dollars and percentage margin is consistent with a meaningful realised-copper-price tailwind (and, per management's results-call commentary as captured in the recent_news file, a "52% rise in EBITDA" alongside the 30% headline revenue uplift).

Capital returns to shareholders have been declining in absolute terms across the four-year window, in counterpoint to the rising capex burden. The four-year cadence is:

• FY2022: dividends $1,263.0m (buybacks: not disclosed in source data)
• FY2023: dividends $613.3m
• FY2024: dividends $317.5m
• FY2025: dividends $395.4m

The dataset's stock_buybacks field is null for every reported year, and the trailing-month insider-transaction file (described in detail in Section 9) does not include any company-issued treasury-share buyback transactions — i.e., this dataset gives no evidence of a buyback programme during the trailing window, only the variable-dividend cadence consistent with Antofagasta's published dividend policy. Dividends paid declined from $1,263.0m in FY2022 to $395.4m in FY2025 — a 68.7% decline — which is the conventional pattern for a variable-dividend copper-mining issuer when the capex programme is in its peak-spend phase.

Because this report has no 10-K/20-F or annual-report extract to draw from, the mine-by-mine attribution of revenue, EBITDA, capex and cash cost; the realised copper price ($/lb), realised by-product prices and net cash cost ($/lb) progression; the C1 / C3 cost classification; the project-by-project capex breakdown for the Centinela Second Concentrator and Los Pelambres Phase 1/2 expansion; the desalination, transmission, water-rights and tailings-dam disclosures; the reserves and resources progression (proven, probable, measured, indicated, inferred); and the regulatory-credit, royalty and Chilean mining-tax (impuesto específico) effective-rate breakdown are not disclosed in this report's source data — those details should be consulted in the company's published UK Annual Report and investor-day materials.

5. Financial Health

Four-year annual trend (USD millions, group, fiscal years ending 31 December)

Metric	FY2022	FY2023	FY2024	FY2025
Revenue ($m)	5,862.0	6,324.5	6,613.4	8,620.3
Revenue growth YoY	n/a	+7.89%	+4.57%	+30.35%
Cost of revenue ($m)	3,432.7	3,666.4	4,109.0	4,316.6
Gross profit ($m)	2,429.3	2,658.1	2,504.4	4,303.7
Gross margin	41.4%	42.0%	37.9%	49.93%
Operating income ($m)	1,653.4	1,808.5	1,662.7	3,402.6
Operating margin	28.2%	28.6%	25.14%	39.47%
Interest expense ($m)	95.5	121.4	331.0	370.8
Pretax income ($m)	2,558.9	1,965.5	2,071.1	3,159.5
Tax provision ($m)	603.6	666.1	755.1	1,088.2
Net income ($m, parent)	1,533.0	835.1	829.4	1,328.9
Diluted EPS ($)	1.555	0.847	0.841	n/a
Operating cash flow ($m)	1,876.9	2,333.0	2,285.3	3,071.6
Capex ($m)	(1,879.2)	(2,129.2)	(2,414.6)	(3,684.5)
Free cash flow ($m)	(2.3)	203.8	(129.3)	(612.9)
Cash & equivalents ($m)	810.4	644.7	2,189.2	2,716.5
Total debt ($m)	3,274.5	4,076.7	5,349.0	7,073.3
Long-term debt ($m)	2,765.4	3,057.9	3,969.4	6,512.8
Total equity ($m)	8,627.5	8,951.9	9,462.2	10,370.1
Total assets ($m)	18,238.3	19,647.2	22,634.9	26,418.4
Diluted shares (m)	985.86	985.86	985.86	n/a
Dividends paid ($m)	(1,263.0)	(613.3)	(317.5)	(395.4)

Three structural patterns dominate the four-year trend. First, revenue and gross profit re-accelerated sharply in FY2025 (+30.35% YoY), with gross margin re-expanding from 37.9% in FY2024 to 49.93% in FY2025 — a 1,203-basis-point widening in a single year that is consistent with a meaningful realised-copper-price tailwind (the dataset does not separately disclose the realised-copper-price-per-pound primitive, but the magnitude of the gross-margin lift on roughly stable cost-of-revenue percentages is consistent with that interpretation). Second, capex stepped up materially across the window — from $1,879.2m in FY2022 to $3,684.5m in FY2025 (+96.1% across three years) — reflecting the company's published growth-capex programme to deliver the previously-announced production step-up later in the decade. Third, the rising capex programme has driven a rising debt build: total debt rose from $3,274.5m at end-FY2022 to $7,073.3m at end-FY2025 (+115.9%), with long-term debt up 135.5% across the same span. Interest expense rose almost four-fold in absolute dollars (from $95.5m to $370.8m).

Operating cash flow grew steadily across the four-year window (from $1,876.9m in FY2022 to $3,071.6m in FY2025, +63.7%), even as net income was volatile (from $1,533.0m in FY2022 down to $829.4m in FY2024 and back up to $1,328.9m in FY2025) — i.e., the operating-cash-flow line is more stable than reported earnings, which is consistent with non-cash items (depreciation, amortisation, deferred tax, working-capital movement) being a significant portion of the income statement for a fixed-asset-heavy mining business. Free cash flow has been close to zero or negative in three of the last four years (FY2022 −$2.3m, FY2024 −$129.3m, FY2025 −$612.9m), with FY2023 the only positive year (+$203.8m) — i.e., the rising capex programme is currently absorbing essentially all of the operating-cash-flow run-rate.

The balance sheet remains liquid at the working-capital level. End-FY2025 current assets of $7,146.8m against current liabilities of $2,463.2m produces a current ratio of 2.90× (per ratios.current_ratio). Cash and equivalents at $2,716.5m at end-FY2025 grew from $810.4m at end-FY2022 (+235.2%). Net debt (total debt minus cash) at end-FY2025 is approximately $4,356.8m, up from $2,464.1m at end-FY2022 (+76.8%). The dataset does not separately disclose lease liabilities, finance-lease commitments, the debt-instrument schedule, hedging position, covenant headroom, or the breakdown of cash held at parent versus operating subsidiaries — readers should consult Antofagasta's audited Annual Report for those details.

The dataset's financials_quarterly array is empty for ANTO.L. Antofagasta publishes quarterly production reports and half-year/full-year financial results (i.e., interim and annual rather than quarterly); the absence of the quarterly array in this dataset is consistent with that disclosure cadence and with the dataset's source (yfinance) not carrying the company's published quarterly production statistics. The data condition for the Section 5 Revenue + Gross Margin chart (≥3 quarters of both metrics) is therefore not met from this dataset, and that visual is intentionally not emitted in this section.

6. Valuation & Market Data

Metric	Value	Source / note
Share price (intraday 9 May 2026)	3,897.5 GBp	Trading currency GBp on LSE
Previous close	3,898.5 GBp	Day change −0.026% (effectively flat on the day)
Day range (9 May 2026)	3,848.5 – 3,998.0 GBp	Open 3,998.0 GBp
Volume (intraday)	1,163,092 shares	10-day average 1,489,200
52-week high	4,475.0 GBp	Stock 12.9% off high (date not disclosed in source data)
52-week low	1,675.5 GBp	Stock +132.6% off low (date not disclosed in source data)
Market cap	≈ £38.42 billion	Source: yfinance — see currency-unit note below
Enterprise value	≈ $45.23 billion	Source: yfinance — see currency-unit note below
Shares outstanding	985,856,695	Source: yfinance
Float	339,765,651 (≈34.5% of shares out)	Source: yfinance — consistent with parent Metalinvest Anstalt holding the controlling stake
P/E (trailing, yfinance)	38.98×	Use this — see note below
P/E (forward, yfinance)	30.21×	Source: yfinance
P/B (per dataset)	3.71×	From ratios.pb — see currency-unit note below
P/S (trailing, per dataset)	4.46×	From ratios.ps_trailing — same currency-unit caveat applies
EV / Revenue	5.25×	From ratios.ev_revenue
EV / EBITDA proxy	13.29×	From ratios.ev_ebitda_proxy — D&A unavailable in dataset; calculation uses operating income as the conservative proxy denominator (note: this is not a true EV/EBITDA, since D&A would lift the denominator and lower the multiple)
FCF yield	−1.6%	FY2025 FCF / market cap, per ratios.fcf_yield — negative because capex outran operating cash flow in FY2025
Gross margin	49.93%	FY2025, per ratios.gross_margin
Operating margin	39.47%	FY2025, per ratios.operating_margin
Net margin	15.42%	FY2025, per ratios.net_margin
Return on equity	12.81%	FY2025, per ratios.roe
Return on assets	5.03%	FY2025, per ratios.roa
Debt-to-equity	0.68×	FY2025, per ratios.debt_to_equity
Current ratio	2.90×	FY2025, per ratios.current_ratio — current assets approximately 2.9× current liabilities
Beta	1.349	Source: yfinance
Dividend yield (trailing)	1.23%	Source: yfinance
Most recent ex-dividend date	16 April 2026	From calendar.ex_dividend_date
Most recent earnings (per dataset)	17 February 2026	From calendar.next_earnings_date — corresponds to the FY2025 full-year results call already held; corroborated by the 17 February 2026 MarketBeat news item

Note on the currency-unit conventions in the dataset. Antofagasta is a single FTSE 100 issuer that trades in pence on the LSE (GBp) but reports its accounts in US dollars (USD). yfinance's mechanical convention is to compute market cap as price ÷ 100 × shares outstanding and to label the result without a currency prefix; for ANTO.L this produces 38,423,764,992, which is presented above as approximately £38.42 billion (the "÷ 100" step normalises pence to pounds). The dataset's enterprise value of 45,233,565,696 is therefore best read as a USD-equivalent figure (consistent with EV = market cap mapped to USD + total debt USD − cash USD), at an implicit GBP/USD rate roughly consistent with prevailing spot. Several of the dataset's ratios.* fields — notably ratios.pb of 3.71×, ratios.ps_trailing of 4.46× and ratios.ev_revenue of 5.25× — are computed with a mix of the GBp-mapped numerator (market cap) and the USD-denominated denominator (equity, revenue), which means each is mechanically distorted by an implicit GBP/USD scaling factor but is the figure carried in the source dataset. The yfinance-published trailing P/E of 38.98× and forward P/E of 30.21× normalise the units correctly and are the values to use for valuation framing.

The dataset's ratios.pe_trailing field is null because the FY2025 eps_diluted value in financials_annual[0] is null in the source. The yfinance trailing P/E of 38.98× is the value to use; this reflects the trailing twelve-month diluted EPS rather than the FY2025 EPS specifically — the dataset does not separately disclose the TTM EPS basis underlying the yfinance P/E.

Note on the FCF yield (−1.6%). The dataset's mechanical FCF yield is FY2025 FCF of −$612.9m divided by market cap of approximately $38.42 billion (the same yfinance unit convention). FY2025 dividends paid of $395.4m on the same market-cap denominator implies a trailing-FY2025 cash-distribution yield of approximately 1.0%, broadly consistent with the yfinance-published trailing dividend yield of 1.23%.

Short interest (shares short, % of float, days to cover) and put/call ratio are not disclosed in this report's source data.

7. What Are They Building / What's Coming?

The product set described in the dataset's company.description field comprises copper concentrate, copper cathode (SX-EW), molybdenum concentrate, and gold and silver by-products, alongside an internal rail-and-road logistics business serving northern-Chile mining customers. The six reporting segments named in the description are Los Pelambres, Centinela, Antucoya, Zaldívar, Exploration and Evaluation, and Transport — i.e., four producing assets, one exploration / evaluation portfolio, and one logistics / rail-and-road business.

The forward-operating commentary visible in the recent newsflow is qualitative and management-attributed:

• Per the 17 February 2026 MarketBeat recent_news entry ("Antofagasta H2 Earnings Call Highlights"), management used the full-year results presentation to highlight "record profitability in 2025, continued progress on a fully funded growth program, and a focus on safety and sustainability as it builds toward a planned production step-up later in the decade." The "fully funded growth program" reference is a direct management characterisation of the capex programme that is visible in the dataset's $3,684.5m FY2025 capex line.
• Per the 21 February 2026 GuruFocus recent_news entry summarising the same FY2025 earnings call: "Antofagasta PLC (ANFGF) reports a 30% revenue increase and a 52% rise in EBITDA, while maintaining a strong balance sheet and advancing key projects." The "advancing key projects" phrasing is consistent with the company's published growth-capex narrative.

These are management-attributed narrative items from the trailing four months of newsflow, not corporate-issuer commitments. Specific FY2026 production guidance (tonnes copper produced by mine), FY2026 capex guidance ($/m by project), the project-by-project execution-milestone schedule for the Centinela Second Concentrator and the Los Pelambres expansion, the realised-copper-price assumptions underpinning the production step-up, the desalination-plant and transmission-line construction schedule, and the detailed multi-year strategic targets that Antofagasta publishes around its capital markets day are not disclosed in this report's source data — without a 10-K/20-F or annual-report extract, those quantitative production-and-capex pipeline details cannot be quoted here. Antofagasta publishes that material on its investor-relations website at antofagasta.co.uk and in the quarterly production report it issues each January, April, July and October.

8. Competitive Landscape

Antofagasta competes in the global market for refined copper, copper concentrate and molybdenum concentrate. The principal competitive set comprises pure-play copper miners and the copper divisions of the diversified majors:

• Codelco — the Chilean state-owned copper miner and the world's largest single copper producer; not publicly listed but the dominant single producer in Chile.
• Freeport-McMoRan (NYSE:FCX) — the largest US-listed copper producer and a principal global pure-play peer; named in the 14 March 2026 Barron's recent_news entry, which described it as "the largest copper miner in the U.S."
• BHP Group (LSE:BHP, ASX:BHP, NYSE:BHP) — the diversified-mining major whose copper division includes Escondida (the world's largest copper mine) and Spence in Chile, and Olympic Dam in Australia.
• Glencore (LSE:GLEN) — the diversified miner-and-marketer with major copper assets in Africa (Mutanda, Katanga) and Latin America, and a substantial copper trading book.
• Rio Tinto (LSE:RIO, NYSE:RIO, ASX:RIO) — the diversified-mining major with copper interests via Kennecott (Utah), Oyu Tolgoi (Mongolia, with Turquoise Hill) and the development-stage Resolution and Winu projects.
• Southern Copper (NYSE:SCCO) — the integrated Mexican-Peruvian copper producer (Grupo México affiliate) with operations in Mexico and Peru.
• First Quantum Minerals (TSX:FM) — the Canadian-listed mid-tier copper producer with operations in Zambia (Kansanshi), Panama (Cobre Panamá, currently suspended), and other countries.
• Antofagasta itself — a top-10 globally-significant copper producer with all four producing operations in Chile and a Luksic-affiliated parent company structure (Metalinvest Anstalt, per the dataset's company.description).

Named market-share percentages for these competitive sets are not disclosed in this report's source data. Global copper-production market shares are conventionally tracked by Wood Mackenzie, CRU, S&P Capital IQ and the International Copper Study Group (ICSG), with country-by-country production statistics published by COCHILCO (Chilean Copper Commission) for Chile. None of those primary tracking sources is present in this dataset, so comparative production-share figures cannot be quoted here. Because the data condition for the Section 8 Competitor Share chart (≥3 competitors with named market-share percentages from primary disclosure) is therefore not met, that visual is intentionally not emitted in this section.

Antofagasta's competitive position can be characterised qualitatively from what is available in this dataset:

• Scale. FY2025 revenue of $8,620.3m, operating income of $3,402.6m and 8,457 employees (per company.employees) position Antofagasta as a top-tier globally-significant pure-play copper producer.
• Geographic concentration. All four of the producing operations named in the dataset's company.description (Los Pelambres, Centinela, Antucoya, Zaldívar) are in Chile — i.e., the franchise is single-country exposed at the production level (sales are global, but mining is concentrated in northern and central Chile).
• Margin profile. FY2025 gross margin of 49.93% and operating margin of 39.47% are typical of a low-cost, large-scale Chilean copper producer in a strong realised-price year — the four-year gross-margin trajectory (41.4% in FY2022, 42.0% in FY2023, 37.9% in FY2024, 49.93% in FY2025) reflects the cyclical-commodity-price dynamics that drive the realised-margin line for a single-commodity issuer.
• Ownership structure. The dataset's price.float_shares field of 339,765,651 shares against price.shares_outstanding of 985,856,695 implies a free float of approximately 34.5%; the controlling parent (Metalinvest Anstalt) and other strategic holders together hold approximately 65% of the equity, consistent with a long-standing concentrated-controlling-shareholder structure rather than a fully-distributed register.
• Vertical integration. The Transport Division named in the company description (rail and road cargo services to mining customers in northern Chile) gives Antofagasta a vertically-integrated logistics position that is unusual among UK-listed pure-play copper miners; the dollar-and-percent revenue and EBITDA contribution of the Transport Division is not disclosed in this report's source data.

9. Leadership and Ownership

CEO. Mr. Iván Arriagada Herrera, per the company.ceo field. Tenure, age, prior roles within the wider Luksic group (parent Metalinvest Anstalt) and remuneration data are not disclosed in this report's source data and are not asserted in this article. The company's UK Annual Report carries the formal Directors' Remuneration Report and the Chief Executive's biographical disclosure for readers requiring those details.

Headcount. 8,457 employees (per the company.employees field).

Board, executive committee and divisional leadership. Detailed leadership-team biographies, the full board-of-directors composition and the country / mine general-manager listing are not disclosed in this report's source data — Antofagasta publishes that material in its UK Annual Report and on its corporate-website "Board and Management" page.

Institutional ownership. The dataset's holders.institutional_top array contains only two small holdings — Accent Capital Management, LLC (499 shares, value approximately $1.94m, as of 31 December 2025) and Confluence Investment Management LLC (34,178 shares, value approximately $133.2m, as of 31 March 2026) — both with pct_held = 0.0 (i.e., rounded-to-zero stakes), which is plainly an incomplete view of the institutional register for a £38.4 billion FTSE 100 mega-cap. The full top-25 institutional holder list, which for a UK FTSE 100 issuer of this size is typically dominated by index trackers and large active managers (BlackRock, Vanguard, Norges, the Luksic / Metalinvest Anstalt parent and other strategic holders), is not available in this report's source data. Investors should consult Antofagasta's RNS notifications of major holdings (TR-1) and its annual Shareholder Information disclosure for the current institutional-register composition. The 34.5% free-float figure (computed above) is a reliable indicator that the controlling-parent stake is substantial and that the public float is concentrated.

Insider transactions in the trailing two months (per the holders.insider_transactions field):

Date	Filer	Transaction / Position	Shares	Value (per dataset)
29 Mar 2026	Jenny (Katharina)	(not specified)	1,472	not disclosed
29 Mar 2026	Jenny (Katharina)	(not specified)	1,388	not disclosed
29 Mar 2026	Jenny (Katharina)	(not specified)	1,859	not disclosed
29 Mar 2026	Jenny (Katharina)	(not specified)	13,011	not disclosed
29 Mar 2026	Larrain (M)	(not specified)	1,893	not disclosed
29 Mar 2026	Larrain (M)	(not specified)	1,785	not disclosed
29 Mar 2026	Larrain (M)	(not specified)	2,390	not disclosed
29 Mar 2026	Larrain (M)	(not specified)	16,729	not disclosed
29 Mar 2026	Ortiz (Mauricio)	(not specified)	1,893	not disclosed
29 Mar 2026	Ortiz (Mauricio)	(not specified)	1,785	not disclosed

Every entry in the dataset's trailing-month insider-transactions file is dated 29 March 2026 and is filed under three named individuals — "Jenny (Katharina)," "Larrain (M)" and "Ortiz (Mauricio)" — with the position and transaction fields empty in the source data and the per-line value field null. The clustering of multiple small transactions on a single date, with paired share counts (e.g., Jenny — 1,472, 1,388, 1,859 and a larger 13,011; Larrain — 1,893, 1,785, 2,390 and a larger 16,729), is the typical pattern for a Long-Term Incentive Plan vest, an annual share-grant award or a deferred-bonus settlement — i.e., a scheduled rather than discretionary transaction. The buy-versus-sell direction, the precise position of each filer within the Antofagasta organisation, the underlying transaction type (vest / grant / sale to cover withholding tax / discretionary buy or sell) and the at-time-of-transaction share price are not disclosed in this report's source data. The formal RNS notifications by individual director or PDMR (Person Discharging Managerial Responsibility) should be consulted via Antofagasta's investor-relations RNS feed at antofagasta.co.uk for the buy/sell direction and complete narrative. There is no individual-director discretionary at-market purchase or sale clearly visible in the dataset's holders.insider_transactions field for the trailing month.

10. Risks and Challenges

• Single-commodity copper-price risk. Antofagasta's revenue is dominated by realised copper sales (concentrate plus cathode), with by-product credits from molybdenum, gold and silver. A sustained decline in the LME copper-price benchmark would materially compress realised revenue and EBITDA. Per the 14 March 2026 Barron's recent_news entry, "Worries about the Iran war have rocked financial markets, raising concerns that higher oil prices will lead to a global economic slowdown. Copper, one of the more highly cyclical metals, has pulled back as a result." The four-year gross-margin trajectory (41.4% in FY2022, 42.0% in FY2023, 37.9% in FY2024, 49.93% in FY2025) is the structural illustration of cyclical-commodity-price exposure; the realised copper price ($/lb) per period is not disclosed in this report's source data.
• Country concentration in Chile. All four producing operations named in the company's description (Los Pelambres, Centinela, Antucoya, Zaldívar) are in Chile, which means the franchise is exposed to Chilean fiscal, royalty, environmental-permitting, water-rights, indigenous-consultation and labour-relations risk concentrated in a single country. Specific exposure to the Chilean specific mining tax (impuesto específico a la minería), the Chilean royalty law and the country-level corporate tax-rate trajectory is not disclosed in this report's source data.
• Capital-allocation and project-execution risk. Capex stepped up from $1,879.2m in FY2022 to $3,684.5m in FY2025 (+96.1% across three years), and the four-year FCF cadence (FY2022 −$2.3m, FY2023 +$203.8m, FY2024 −$129.3m, FY2025 −$612.9m) has been negative in three of the last four reported years. The growth-capex programme (referenced by management as a "fully funded growth program" in the 17 February 2026 MarketBeat entry) is large in absolute dollars and project-execution risk on the Centinela Second Concentrator and the Los Pelambres expansion is structurally important to the FCF re-acceleration narrative. Project-by-project execution milestones, schedule and cost contingencies are not disclosed in this report's source data.
• Rising interest expense and debt build. Total debt rose from $3,274.5m at end-FY2022 to $7,073.3m at end-FY2025 (+115.9%), with long-term debt up from $2,765.4m to $6,512.8m (+135.5%). Interest expense rose from $95.5m in FY2022 to $370.8m in FY2025 (+288.3%) — a roughly four-fold increase across three years that mechanically compresses pretax earnings. Specific debt-instrument detail (issuance dates, coupons, maturities, covenants, hedging position) is not disclosed in this report's source data.
• Water-rights and tailings-dam risk. Northern Chilean copper mining is structurally exposed to water scarcity, desalination-plant operability and tailings-dam containment risk. Antofagasta's named operating mines (Antucoya, Centinela, Zaldívar) are in arid northern Chile, where desalination and brine-management infrastructure is essential. Specific water-rights inventory, desalination-plant capacity, tailings-dam classification and remediation provisions are not disclosed in this report's source data.
• Environmental permitting and indigenous-consultation risk. Chilean mining projects are subject to extensive environmental-permitting (SEIA) and indigenous-community consultation (ILO Convention 169) processes that have lengthened the timeline for new-project approvals across the industry. Antofagasta's published growth pipeline is exposed to those processes; specific permitting timelines, current consultation processes and outstanding regulatory conditions are not disclosed in this report's source data.
• Currency translation and reporting basis. Antofagasta reports in US dollars, while a meaningful portion of its operating cost base is incurred in Chilean pesos (labour, contractors, royalties, regulatory levies). Sustained CLP / USD depreciation would mechanically compress the USD operating-cost base (a tailwind), while CLP appreciation would have the opposite effect. The realised peso/dollar effect on FY2025 cost-of-revenue is not disclosed in this report's source data.
• Negative free cash flow / dividend variability. FY2025 free cash flow of −$612.9m and FY2025 dividends paid of $395.4m mean the dividend was funded through balance-sheet cash and debt rather than from current-year free cash flow. The four-year dividend cadence ($1,263.0m in FY2022 → $613.3m → $317.5m → $395.4m) shows the variable-distribution pattern. Continued large negative free cash flow could constrain the dividend pay-out ratio in subsequent years; the dataset's stock_buybacks field is null for every reported year and there is no buyback-programme cushion visible in the source data.
• Concentrated-controlling-shareholder structure. With a free float of approximately 34.5% (340m of 986m shares), the parent Metalinvest Anstalt and other strategic holders together hold approximately 65% of the equity. Any future portfolio decision by the parent (sell-down, re-organisation, related-party transaction) can be a meaningful share-price catalyst independent of operating performance; specific Metalinvest Anstalt holding percentages, related-party transactions and concert-party arrangements are not disclosed in this report's source data.
• Currency-unit artefacts in trailing valuation ratios. The dataset's ratios.pe_trailing value is null because FY2025 eps_diluted is null, and ratios.pb, ratios.ps_trailing and ratios.ev_revenue are mechanically affected by the GBp-numerator-with-USD-denominator convention. The yfinance trailing P/E of 38.98× and forward P/E of 30.21× are the values to use for valuation framing.
• Dataset gap on segment / production / regulatory disclosure. Because this report's source dataset contains no SEC 10-K or 20-F filing, mine-by-mine production volumes, copper-price realisation, by-product credits, per-pound cash costs, capex breakdown by project, ore-grade and reserves/resources, Chilean royalty and tax detail, lease-liability detail, hedging position and the divisional MD&A narrative are not quoted in this article. Risk-factors content from a primary annual-report source is similarly not cleanly available from this dataset's structure — readers should consult Antofagasta's UK Annual Report and the company's investor-relations announcements directly at antofagasta.co.uk.

11. Recent Developments

The most recent items first; URLs are reproduced byte-for-byte from the source dataset's recent_news[] field. Items that are analyst-attributed valuation pieces are reproduced only to evidence dates and event facts (not as endorsements of any analyst opinion or price target — this report does not rely on analyst opinion).

• 29 April 2026 — Simply Wall St., "How The Antofagasta (LSE:ANTO) Investment Story Is Shifting As Analyst Views Diverge". Analyst-attributed valuation update: per the publisher excerpt, "Antofagasta's analyst fair value estimate has shifted, with the model price target moving from £26.26 to £35.00, a sizeable uplift in the latest round of updates. Behind this change sits a lively split in analyst opinion, with some pushing targets as high as £47.50 and others trimming views toward £32.00 as they reassess execution risks and exposure to copper prices and geopolitical events." Reproduced here only to evidence the date and the existence of the divergent-analyst-views narrative; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/markets/stocks/articles/antofagasta-lse-anto-investment-story-200640002.html
• 14 March 2026 — Barron's, "This Copper Stock Is Worth Mining. The Metal's Boom Is On." Copper-sector commentary referencing geopolitical risk and the cyclical pull-back in copper-equity prices. The piece focuses on Freeport-McMoRan but is sector-relevant; per the excerpt: "Worries about the Iran war have rocked financial markets, raising concerns that higher oil prices will lead to a global economic slowdown. Copper, one of the more highly cyclical metals, has pulled back as a result — as have shares of Freeport-McMoRan the largest copper miner in the U.S. Freeport is down more than 10% from its 52-week high." URL: https://www.barrons.com/articles/copper-stock-freeport-mcmoran-worth-mining-metals-boom-98e6ef5e?siteid=yhoof2&yptr=yahoo
• 6 March 2026 — TipRanks (via Yahoo Finance), "Antofagasta upgraded to Buy from Hold at Canaccord". Per the publisher excerpt: "Canaccord upgraded Antofagasta (ANFGF) to Buy from Hold with a price target of 4,750 GBp, up from 4,100 GBp. The firm says current spot pricing implies further upgrades to the copper miners heading into Q2." Reproduced here only to evidence the date and the existence of broker-attributed valuation activity; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/news/antofagasta-upgraded-buy-hold-canaccord-141512706.html
• 21 February 2026 — GuruFocus, "Antofagasta PLC (ANFGF) Full Year 2025 Earnings Call Highlights: Record Financial Performance...". Coverage of the 17 February 2026 FY2025 full-year results call. Per the publisher excerpt: "Antofagasta PLC (ANFGF) reports a 30% revenue increase and a 52% rise in EBITDA, while maintaining a strong balance sheet and advancing key projects." The 30% revenue increase is consistent with the dataset's FY2025 revenue_growth_yoy of +30.35%. URL: https://finance.yahoo.com/news/antofagasta-plc-anfgf-full-2025-010115494.html
• 17 February 2026 — MarketBeat, "Antofagasta H2 Earnings Call Highlights". Coverage of the FY2025 full-year results presentation. Per the publisher excerpt: "Antofagasta (LON:ANTO) used its full-year results presentation to highlight record profitability in 2025, continued progress on a fully funded growth program, and a focus on safety and sustainability as it builds toward a planned production step-up later in the decade. Safety and sustainability pri[orities]…" This is the most material results-cycle item in the trailing-six-month newsflow. URL: https://www.marketbeat.com/instant-alerts/antofagasta-h2-earnings-call-highlights-2026-02-17/?utm_source=yahoofinance&utm_medium=yahoofinance
• 20 January 2026 — Simply Wall St., "Is Antofagasta plc's (LON:ANTO) Stock's Recent Performance Being Led By Its Attractive Financial Prospects?" Analyst-attributed performance commentary; per the publisher excerpt: "Most readers would already be aware that Antofagasta's (LON:ANTO) stock increased significantly by 37% over the past..." Reproduced here only to evidence the date and the trailing-three-month share-price-momentum narrative; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/news/antofagasta-plcs-lon-anto-stocks-062313685.html
• 24 December 2025 — Simply Wall St., "Antofagasta plc (LON:ANTO) Shares Could Be 49% Below Their Intrinsic Value Estimate". Analyst-attributed DCF-based valuation piece referencing a fair-value estimate of £63.22 per share. Reproduced here only to evidence the date and the existence of analyst-attributed valuation activity; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/news/antofagasta-plc-lon-anto-shares-054102022.html
• 18 November 2025 — Simply Wall St., "How Recent Developments Are Reframing the Story for Antofagasta". Analyst-attributed valuation update: per the publisher excerpt, "The consensus analyst price target for Antofagasta has edged upward, moving from £24.79 to £25.84 per share. This modest revision reflects a balance of cautious optimism and emerging concerns among industry analysts regarding the company's outlook." Reproduced here only to evidence the date and the existence of the broader analyst debate; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/news/recent-developments-reframing-story-antofagasta-110839275.html
• 3 November 2025 — Simply Wall St., "Why Analysts Are Rethinking Antofagasta's Upside as Growth and Valuation Outlooks Shift". Analyst-attributed valuation update referencing fair-value estimates "rising from £24.71 to £24.79 per share." Reproduced here only to evidence the date; this report relies on no analyst opinion or price target. URL: https://finance.yahoo.com/news/why-analysts-rethinking-antofagasta-upside-231333565.html
• 13 October 2025 — PA Media: Money, "Miners prosper as FTSE 100 makes steady progress". Sector-context piece referencing FTSE 100 mining-sector strength; per the publisher excerpt: "On the FTSE 100, gold miners Fresnillo and Endeavour Mining leapt 9.1% and 11% respectively." Reproduced here as a sector-tape data point; not Antofagasta-specific corporate news. URL: https://uk.finance.yahoo.com/news/miners-prosper-ftse-100-makes-162511815.html

The most material ANTO-specific events visible in the trailing-six-month newsflow are (i) the FY2025 full-year results released on 17 February 2026, with management characterising 2025 as "record profitability" and the growth programme as "fully funded" (per the MarketBeat and GuruFocus items); (ii) the Canaccord broker-rating upgrade on 6 March 2026; and (iii) the late-April 2026 analyst-target divergence narrative (per the 29 April 2026 Simply Wall St. item). No material acquisitions, regulatory penalties, named executive-appointment announcements (CEO, Chair, CFO) or capital-raise announcements appear in the recent_news list within this window.

12. Key Dates Coming Up

Event	Date	Source
FY2025 full-year results (already released)	17 February 2026	calendar.next_earnings_date in the dataset; corroborated by the 17 February 2026 MarketBeat news item
Most recent ex-dividend date (already past)	16 April 2026	calendar.ex_dividend_date
Q1 2026 production report	Not disclosed in this report's source data	Antofagasta typically issues quarterly production reports in mid-April; consult IR website
H1 2026 interim results	Not disclosed in this report's source data	Typically held in mid-August for a December-year-end UK miner; consult IR website
Final dividend pay date	Not disclosed in this report's source data	calendar.dividend_date is null
AGM	Not disclosed in this report's source data	Typically held in May for a December-year-end UK FTSE 100 issuer; consult IR website
Capital markets day / strategy update	Not disclosed in this report's source data	Consult IR website at antofagasta.co.uk

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Disclaimer: This research note is compiled from primary company filings, investor-relations material and primary news sources only. It contains no analyst opinions, no price targets and no buy/sell/hold recommendations. Forward-looking statements are attributed to the company. Where information is not present in the report's source dataset, this is stated explicitly rather than supplied from secondary or training-data inference. Nothing in this note constitutes investment advice; readers should consult Antofagasta's official disclosures and a qualified adviser before taking any investment decision.