Santos’s business model in 2026 is best understood through the interaction of physical production, commodity prices, asset quality and reinvestment. Santos reported US$4,939 million of product sales in 2025, down from US$5,381 million in 2024, although sales volumes increased to 93.5 mmboe. Statutory net profit was US$818 million. The figures below come from the company’s 2025 annual report; interpretations of future performance are analytical rather than forecasts.

1. The customer problem and value proposition

Gas consumers need supply that arrives predictably, not merely ownership of reserves. Santos connects upstream resources to domestic pipelines, liquefaction facilities and international buyers. Its economic proposition is continuity of supply across a complicated chain of drilling, processing, transportation and contracting.

Export LNG buyers place value on diversified sources and long-duration delivery arrangements. Australian industrial users have different constraints: pipeline access, local market conditions and security of domestic supply. Santos must therefore optimise two commercially distinct markets rather than assume that every unit of gas has the same netback.

The distinction matters because the company’s advantage is physical and contractual. A discovered gas resource does not earn revenue until production infrastructure, approvals, customers and transport are aligned. Reliability can protect contractual relationships, but disruptions can turn an apparently attractive field into an expensive delivery obligation.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

2. Asset portfolio and how production works

Santos participates in PNG LNG and GLNG, operates conventional gas interests including the Cooper Basin and has major developments associated with Barossa and Darwin LNG and Pikka in Alaska. The portfolio includes different commodities, operating partners and investment stages.

Mature assets generate cash but require maintenance, infill drilling and reservoir management to offset decline. New developments can replenish volumes, yet construction spending arrives before the full cash contribution. Portfolio balance therefore depends on the age and remaining economic life of assets, not simply the number of projects listed.

Joint ventures can spread investment and technical risk. They also make governance and timing more complicated because development decisions depend on partner alignment. Investors should distinguish Santos’s equity share of production and cash flow from gross project capacity.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

Related analysis: Santos Business Strategy | Santos SWOT Analysis | Santos PESTEL Analysis.

3. Revenue streams and customer contracts

The 2025 report recorded LNG product sales of US$3,067 million and domestic gas sales of US$1,107 million. Crude oil contributed US$376 million, condensate US$336 million and LPG US$52 million. LNG represented roughly 62% of reported product sales revenue, making export gas economics particularly consequential.

Revenue depends on volumes delivered, realised commodity prices, product mix and sales terms. Some arrangements provide contracted demand while others transmit greater market-price variability. The same production level can therefore generate materially different revenue across reporting periods.

In 2025 sales volumes increased to 93.5 mmboe, yet product sales revenue fell from US$5,381 million to US$4,939 million. This illustrates the pricing effect directly: greater physical throughput did not prevent a decline in the top line. Production growth alone is an incomplete performance measure.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

4. Costs, margins and operating leverage

Santos reported unit production costs of US$6.78 per boe excluding Bayu-Undan. This describes a portion of the operating cost base; it is not the full economic break-even price of a new field. Processing, transportation, financing, taxes, capital investment and future restoration obligations must also be considered.

Energy infrastructure contains significant fixed costs. When facilities run reliably, incremental throughput can improve utilisation. Conversely, downtime or reduced reservoir deliverability can leave fixed expenditure spread over fewer saleable units. A low unit production cost is valuable, but does not remove exposure to weak realised prices.

The company’s reported EBITDAX of US$3,391 million and underlying profit of US$898 million should be read alongside statutory profit of US$818 million. The measures answer different questions: operating earnings before specified items, management’s adjusted profit measure and accounting profit attributable under reporting standards.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

Related analysis: Santos Business Strategy | Santos SWOT Analysis | Santos PESTEL Analysis.

5. Cash flow, reinvestment and capital allocation

Santos reported approximately US$1.8 billion of free cash flow from operations in 2025. Existing producing assets can finance development, shareholder distributions and balance-sheet resilience, but those uses compete. The timing of large projects can create years of heavy investment before a steady cash contribution appears.

A rigorous capital decision should compare incremental after-tax cash flows against the cost of development and risk of delay. A project that adds substantial production may still underperform if construction costs escalate or realised prices weaken. Maintaining older assets can sometimes earn a better return than a more visible new project.

Debt capacity also matters because commodity prices are cyclical. The prudent question is not how much capital can be deployed during a favourable market, but whether committed spending remains manageable when prices, weather or commissioning outcomes disappoint.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

6. Growth projects and the 2026 outlook

Barossa and Darwin LNG offer a pathway to LNG supply and infrastructure utilisation, while Pikka adds a different geographical and commodity exposure. These opportunities are strategically relevant but should be judged against actual commissioning progress, operating performance and cash generation rather than anticipated nameplate capacity.

Moomba carbon capture and storage provides a capability relevant to emissions management. Its strategic value depends on technical performance, the cost of capture and storage, regulatory frameworks and commercially viable demand. It should not be treated as an automatic offset for the economics or emissions of every other asset.

The sustainable business model is therefore a cycle of producing resources, earning netbacks, funding maintenance and replacing depleted reserves. Success in 2026 depends less on maximising headline output than on converting the portfolio into durable free cash flow per share.

The important economic distinction is between the volume produced and the value retained after delivering it. A company can report rising output while its returns fall because realised prices, input costs or investment requirements move in the opposite direction. Comparing financial and operating measures together is therefore more informative than treating production growth as a standalone achievement.

Related analysis: Santos Business Strategy | Santos SWOT Analysis | Santos PESTEL Analysis.

Demand, pricing and the commercial role of LNG

Santos’s business model begins with a distinction between gas as a physical commodity and gas as a delivered energy service. The molecule itself is largely interchangeable with competing supplies, but customers care about the reliability, location and timing of delivery. LNG buyers coordinate import terminals, shipping slots and downstream supply contracts; a missed cargo can require expensive replacement purchases. Domestic manufacturers and power users face different constraints, including pipeline access and local energy-security policy. Those differences affect how buyers value contract duration, flexibility and reliability. Santos therefore cannot optimise its portfolio using one headline commodity price. Export gas requires liquefaction and transport, whereas domestic gas may reach buyers through established pipeline infrastructure. The relevant comparison is the netback after the costs of delivering each product to its market. Long-term contracts can stabilise volumes and underpin infrastructure investment, but they can also limit exposure to stronger spot prices. A durable commercial advantage depends on fulfilling commitments efficiently, not on charging a brand premium.

The economics of a resource portfolio

The company operates a portfolio rather than one uniform production system. Mature fields can provide recurring cash, while new projects absorb capital before they deliver meaningful revenue. In the Cooper Basin, existing infrastructure can improve the economics of nearby gas resources, but natural reservoir decline requires continuing drilling and maintenance. PNG LNG links upstream supply to export infrastructure and depends on coordination among venture participants. Barossa and Darwin LNG involve the integration of feedgas with processing and liquefaction capacity, while Pikka adds an oil development in Alaska. These assets differ in construction risk, decline rates, product markets and fiscal conditions. Joint ventures help share capital and technical exposure, although they can complicate decisions over budgets and schedules. The portfolio should be judged by Santos’s attributable cash flow rather than gross project output. Diversification adds value when it reduces concentration and improves risk-adjusted returns; adding assets with weak economics merely increases organisational complexity. An investor needs to distinguish cash generated by established operations from expenditure committed to developments that have yet to reach steady state.

Why revenue growth and volume growth diverge

Santos reported product sales of US$4,939 million in 2025 against US$5,381 million in 2024, even as sales volumes increased to 93.5 mmboe. This contrast is central to understanding its business model. A rise in physical sales does not necessarily increase revenue when realised prices decline or product mix changes. LNG contributed US$3,067 million, approximately 62% of product sales, while domestic gas contributed US$1,107 million. Crude oil and condensate contributed US$376 million and US$336 million respectively, with LPG making up a smaller amount. These figures establish the relative scale of products but not their profitability. Each revenue stream carries different operating, processing and transport costs. A robust revenue analysis separates the effects of price, volume, product mix and any purchased product sold onward. It also distinguishes contractual prices from spot-market exposure. Without these bridges, investors risk attributing favourable commodity markets to management skill or interpreting a price-led revenue decline as operational failure. The most informative metric is cash contribution after the full route-to-market cost.

Understanding the full cost of production

The reported unit production cost of US$6.78 per boe, excluding Bayu-Undan, provides a useful measure of operational efficiency within a defined scope. It is not a full-cycle break-even price. Producing a resource requires more than the expenses incurred at an existing wellhead: exploration, appraisal, development, processing, transportation, financing, taxes and eventual restoration all affect returns. Depreciation and depletion reflect capital invested in prior periods, while decommissioning obligations may create future cash requirements. Infrastructure also creates operating leverage. When a facility runs near efficient capacity, fixed costs are spread across more output; when reservoir deliverability falls or maintenance interrupts operations, those costs weigh more heavily on each unit sold. A low production cost is therefore helpful but cannot guarantee an attractive return on a new development. The economic question is how much cash each asset can generate over its remaining life after funding the investment needed to keep it operating. Comparing full-cycle economics is particularly important when choosing between mature-field optimisation and large new projects.

How cash flow funds growth and distributions

Santos reported approximately US$1.8 billion of free cash flow from operations in 2025. This indicates meaningful cash generation, but it does not remove the need to prioritise spending. Mature assets require maintenance and reserve replacement, development projects require construction funding, lenders require repayment and shareholders may expect distributions. These uses compete for the same financial resources. The company should therefore compare projects using incremental after-tax cash flow under realistic downside assumptions rather than production targets alone. A project that adds substantial volume can still destroy value if construction costs rise or commissioning is delayed. Conversely, modest expenditure on existing infrastructure can produce attractive returns where facilities and market access are already in place. Statutory profit of US$818 million and underlying profit of US$898 million should not be confused with cash available for discretionary spending. Accrual accounting, depreciation, working capital and capital expenditure affect the measures differently. The business model is most resilient when committed investment remains affordable through weaker commodity-price conditions.

Growth beyond first production

The strategic value of Barossa and Pikka depends on more than the announcement of first production. After commissioning, facilities must ramp up, maintain availability and deliver output at competitive operating costs. The investment must ultimately generate cash sufficient to compensate for construction spending, financing risk and the cost of capital. LNG infrastructure also faces a long-term question about demand, emissions and policy conditions over its operating life. Santos’s Moomba carbon capture and storage capability may provide emissions-management opportunities, but technical feasibility and commercial profitability are separate tests. Future value depends on actual storage performance, regulation, customer willingness to pay and the cost of providing the service. Across the portfolio, management needs to balance the natural depletion of reserves with selective reinvestment. Growth should be evaluated through sustainable cash returns per share after maintenance, restoration and project costs, rather than through the highest possible headline production figure.

Interpreting returns across the portfolio

Financial comparisons are most useful when they distinguish operating performance from commodity-price movements. Santos can influence drilling efficiency, maintenance planning, plant availability and capital discipline, but it cannot independently determine global LNG and oil prices. This creates a recurring analytical challenge: rising profit in a strong price environment may conceal weaker unit economics, while falling revenue may occur despite solid operational execution. Investors should therefore compare realised prices, production, operating costs, sustaining capital and cash flow over several periods. Asset-level measures matter because a consolidated average can hide mature fields with attractive incremental returns alongside projects requiring substantial new investment. Cash return on capital employed is particularly important for a business with long development timelines. A high-margin producing asset can still be a poor investment if its original construction cost was excessive. Conversely, a mature facility may generate valuable incremental cash even when its accounting depreciation is high. Evaluating the portfolio requires both historical investment context and prospective cash flows.

The timing of expenditure also changes how performance should be interpreted. Development capital often precedes revenue by years, while decommissioning cash outflows can follow production long after a field has ceased operating. Accounting profit, operating cash flow and project-level net present value therefore answer different questions. Santos’s 2025 results offer a baseline, but the durability of the business model depends on the future spread between realised prices and full-cycle costs. A rigorous assessment should consider weaker prices, commissioning delays, higher financing costs and changes in environmental requirements. The goal is not to eliminate uncertainty, which is impossible in resource extraction, but to preserve sufficient financial flexibility that the portfolio can continue operating and investing when assumptions change.

Source: Santos 2025 Annual Report.