Santos Limited

The Business

Santos is Australia's second-largest oil and gas company, producing approximately 88 million barrels of oil equivalent in FY25 across operations in Papua New Guinea, northern Australia, the Cooper Basin, and Alaska. Around 60% of production is liquefied natural gas (LNG, natural gas cooled to liquid form for shipping), sold under long-term contracts linked to oil prices. The remainder is crude oil, condensate, and domestic gas. What distinguishes Santos from peers is its unit production cost of US$6.78 per barrel, roughly 30% below the industry median, embedded in infrastructure and operational culture rather than any single asset.

Recent Performance

FY25 revenue fell 8% to US$5.1 billion as commodity prices softened, off a base that itself declined from FY23's cycle peak. The stock has rallied roughly 20% since mid-2025 as the Hormuz Strait closure (a key shipping lane for Middle Eastern oil) pushed Brent crude from the mid-$70s to $108. This rally is almost entirely commodity-driven. Underlying earnings were unremarkable, with EBITDAX (earnings before exploration costs and depreciation, a standard oil and gas profit measure) margins steady at 67%.

Outlook

The next two years bring a structural production step-up that is largely de-risked. The Barossa gas project in northern Australia and the Pikka oil project in Alaska are both commissioned, with wells drilled and first cargoes achieved. Production should rise from 88 million barrels in FY25 to roughly 113 million by FY28, a 29% increase. Revenue is forecast to reach US$7.0 billion in FY27. EBITDAX margins should hold near 67% as the new volumes flow through at low marginal cost. The critical uncertainty is not production. It is the oil price these barrels will fetch from 2027 onward, when hedging protection rolls off.

Key Risks

The dominant risk is Brent crude reverting to US$65-70 as Hormuz tensions ease and OPEC+ (the cartel of oil-producing nations) continues unwinding production cuts. Every US$10 per barrel shift in the long-term Brent assumption overwhelms all other model inputs, making commodity prices the single variable that determines the investment outcome. Over 100 million tonnes per annum of new global LNG capacity arriving by 2030 threatens contract renewal economics and terminal margins. A material delay to the Barossa or Pikka production ramp, while only 25% probable, would defer the free cash flow step-change that underpins the harvest thesis.

What to Watch

The thesis-defining event is the Q2 2026 production report in July, which will confirm whether the Barossa and Pikka ramp is tracking to the 100 million barrel annual target. This single data point validates or challenges the entire harvest-phase thesis.

• H2 2026 Papua LNG final investment decision — a positive sanction would add strategic option value and extend Santos' reserve life beyond its current 17-year horizon.
• Next 12 months Hormuz Strait shipping resumption — resolution would drive Brent normalisation and likely a significant correction in energy stocks, including Santos.

Company Description

Santos operates across four geographic segments. Papua New Guinea contributes roughly 40% of EBITDAX through the PNG LNG plant, a joint venture with ExxonMobil that ships LNG to Asian buyers under long-term contracts. Northern Australia houses the GLNG and Darwin LNG plants plus the newly commissioned Barossa gas field, contributing around 30%. The Cooper Basin in central Australia supplies domestic gas and oil, accounting for roughly 15%. Alaska's Pikka oil project, which achieved first oil in late 2025, adds the remaining share and is still ramping. LNG dominates the revenue mix at approximately 64% of production, with domestic gas at 24% and crude oil and condensate at 12%.

Where the Growth Is

The Barossa and Pikka production ramp is the most important near-term driver. Barossa, a gas field feeding the Darwin LNG plant, and Pikka, a conventional oil development on Alaska's North Slope, together add roughly 12 million barrels of oil equivalent in FY26 alone. Total production lifts from 87.7 million barrels in FY25 to an expected plateau of 113.5 million by FY28. The financial impact is dramatic: unlevered free cash flow (the cash left after all operating costs and capital spending, before debt payments) rises from US$393 million to US$1.8 billion in FY26, a near-fivefold increase, as new revenue flows in while growth capital spending simultaneously declines.

Competitive Position

Santos' primary competitive advantage is structural cost leadership. Its unit production cost of US$6.78 per barrel sits roughly 30% below the peer median of around US$10, generating an estimated US$300 million per year in cost advantage. This gap is not the result of any single asset or management initiative. It reflects decades of infrastructure investment across PNG and the Cooper Basin, a self-execution operating model that avoids costly engineering contractors, and a culture of cost discipline that has persisted across multiple commodity cycles. Three LNG processing plants provide infrastructure lock-in with contracted throughput, creating barriers to displacement that should endure for at least a decade. Geographic proximity to Asian LNG buyers provides a structural freight advantage of US$0.50 to US$1.00 per million British thermal units versus US Gulf Coast competitors, worth roughly 5-8% of delivered LNG prices. Santos also benefits from a premium on its LNG heating value, a technical advantage related to gas composition that competitors cannot easily replicate.

Management & Capital Discipline

CEO Kevin Gallagher has led Santos for a decade, a tenure that stands out in Australian resources. Under his leadership, the company has returned US$4.8 billion to shareholders through dividends and buybacks since 2016 while delivering the Barossa and Pikka projects within their original budgets. Management has resisted overpriced acquisitions, most visibly walking away from several opportunities where pricing exceeded internal return hurdles. A new capital framework commits to returning 60% or more of free cash flow to shareholders, signalling confidence in the transition from growth spending to harvest mode. The honest observation: Gallagher's personal shareholding sits below 1% of the company, and while the long-term incentive program has genuine downside (only 39.5% of 2022 awards vested), the alignment between management wealth and shareholder outcomes is modest for a company of this scale.

Financial Position

Santos' balance sheet is investment-grade rated, with net debt of approximately US$4.4 billion against FY25 EBITDAX of US$3.4 billion, representing gearing of 1.3 times. Total liquidity stands at US$4.3 billion, comprising cash and undrawn credit facilities. The company maintains oil price hedges through December 2026, with collars setting a floor near US$67 and a ceiling near US$99 on 17.2 million barrels. Operating free cash flow breakeven sits at US$27 per barrel, meaning Santos generates positive cash even in a severe oil price downturn. As growth capex falls and production ramps, gearing should decline below 1.0 times by FY28, creating capacity for buybacks or further investment.