Recent surges pushing crude oil back over US$100 a barrel – driven by persistent shipping disruptions and global supply uncertainty – have reignited margin pressures across transport and energy-heavy sectors.

Energy producers benefit when oil is expensive.

Companies with big fuel bills or weak pricing power get squeezed.

The real question isn’t whether oil is pricey – it clearly is – but which Singapore-listed companies are most exposed if it stays there, and for how long.

Why US$100 Oil Matters for Singapore Stocks

Higher fuel and energy costs raise operating expenses directly, and transportation and logistics costs rise with them.

Airlines feel this the hardest, since jet fuel is one of their highest single expenses.

Beyond company-level effects, high oil prices can feed into broader inflation and dent consumer demand.

The companies that come through fine are the ones with pricing power, being able to pass costs on without losing customers.

How to Identify Stocks Most Vulnerable to Higher Oil Prices

Five things matter:

Direct fuel exposure (how much fuel does the company actually burn?)
Pricing power (can it raise prices without losing customers?)
Hedging (does it lock in fuel costs and for how long?)
Margin buffer (how much cushion exists before costs bite into profits?)
Balance sheet strength

Oil sensitivity is about all five together – not just which industry a company sits in.

Singapore Airlines (SGX: C6L) – High Exposure to Fuel Costs

Fuel is Singapore Airlines, or SIA’s, single highest cost, and the current spike has already shown up in the numbers, even though the national carrier hedges a portion of its fuel costs as a buffer.

In the first quarter of its fiscal year ending 31 March 2027 (1QFY2026/27), SIA saw net fuel costs jump 78.5% to S$2.3 billion, which accounted for 41% of operating expenditures.

This caused operating profit to collapse 73.8% to S$106 million, at a 1.9% operating margin.

Most tellingly, SIA’s passenger load factor softened slightly to 87.1% compared to 1QFY2025/26’s 87.6%.

Can the airline pass on higher costs to passengers?

Travel demand has stayed resilient, which gives SIA more room than a weaker airline would have, and fares can rise over time.

But that takes months to flow through, while fuel bills hit immediately.

Furthermore, competitive pressure on key routes limits how fast fares can move.

The airline does have a solid cash balance of some S$9.1 billion, and significantly less debt, that provide real headroom to absorb the oil price pain for a while.

SATS Limited (SGX: S58) – Exposed indirectly, through volumes

SATS provides ground handling and catering services.

It doesn’t fly aircraft, so it doesn’t carry a direct fuel bill anywhere near SIA’s scale.

Its exposure to fuel prices runs through its customers and their volumes instead.

For the quarter ending 30 June 2026 (1QFY2027), SATS’s EBIT and EBITDA margins slipped to 8.0% and 17.3%, from 8.3% and 18.2% a year ago, because of inflationary pressures and disruptions to cargo trade flows and flight activity tempo.

The pattern is consistent with an indirect hit: When airlines fly less because of expensive fuel or reroute around troubled spots, SATS handles less cargo and fewer flights – not because its own costs spiked, but because its customers’ did.

Tellingly, SATS’s free cash flow (FCF) slipped further into the red to a negative S$22.6 million from a negative S$4.5 million a year ago.

This is a real but genuinely different kind of oil exposure compared to an airline – SATS gets hurt by other people’s fuel problems, not its own.

SBS Transit (SGX: S61) – The Transport / Logistics Operator

Here’s the twist.

A bus-and-rail operator such as SBS Transit, with a large diesel fleet, looks like an obvious oil casualty.

But it largely isn’t, because of how Singapore’s bus industry is structured.

Since the Bus Contracting Model (BCM) took effect in 2016, the Land Transport Authority (LTA) owns the buses and infrastructure, and pays operators a service fee that’s indexed to diesel and energy prices.

Essentially, LTA provides a natural hedge for SBS against diesel price risk.

The company’s residual fuel-price risk relates mainly to electricity, not diesel.

That said, given higher electricity costs experienced across Singapore thus far, SBS’s margins could face further pressure.

SBS is a steady, low-margin business.

Revenue for the first half of 2026 (1H2026) rose 5.3% to S$785.6 million on the back of higher fuel and annual indexation.

Meanwhile, operating expenses rose a tad faster at 5.6% to S$751.6 million on increased electricity tariffs and diesel prices, leading to a slight 0.3% decline in operating profit to S$33.9 million.

Unlike SATS, SBS still generated positive FCF of S$54.8 million.

Effectively, SBS’s potential offsets against higher oil prices are structural rather than pricing-based: The BCM fee itself resets with fuel costs, and a fully electric rail business carries no diesel exposure at all.

Beyond that, SBS also earns from higher-margin advertising and retail leasing services at its bus interchanges and stations.

These are small but genuinely fuel-immune slices of revenue.

Fuel-efficient buses help too, but only at the margin, since diesel costs are already indexed rather than absorbed directly.

What Could Investors Watch Next?

Track Brent and jet fuel prices directly, plus each company’s own hedging disclosures.

For SIA, watch the load factor versus the breakeven load factor – the gap that’s currently negative is the number that matters most.

For SATS, watch global cargo and flight volumes, not fuel prices themselves.

For SBS Transit, watch LTA’s statements on additional support and any lag in the indexation mechanism.

Across all three, watch management guidance and actual evidence of cost pass-through – not just the oil price headline.

But an oil shock isn’t purely bad news for equity investors.

Energy producers and select oil-service names benefit directly.

And if share prices fall faster than the underlying businesses actually deteriorate – plausible for SATS and SBS Transit, given their more limited direct exposure – that mispricing can become an opportunity rather than a warning sign.

Get Smart: Don’t Treat Every Oil Spike the Same

Oil above US$100 is a genuine risk factor for Singapore investors, but it hits companies very differently.

SIA faces real, direct pressure with load factors already below breakeven.

SATS faces indirect pressure through the volumes it depends on.

SBS Transit, despite looking like the obvious casualty, is largely protected by contract design.

Before deciding an oil-sensitive stock has become too risky, check fuel costs, hedging, pricing power and the balance sheet – and remember that a scary-looking industry label doesn’t always mean scary-looking exposure.

If oil eventually retreats, the companies that navigated the spike well should emerge with their competitive positions intact.

If the market falls further, will you be ready… or fully invested?

This is where most investors get it wrong. Our FREE report shows how to stay prepared for what comes next. Get it free here.

Disclosure: Wilson H. does not own shares in any of the companies mentioned.

Oil Prices Over US$100: 3 Singapore Stocks Most at Risk

S$10,000 to Invest: 3 Dividend Stocks I Would Consider Today

Forget Banks: 3 S-REITs Surprising Unitholders with Higher DPUs

5 Singapore Dividend Stocks That Could Pay You Every Quarter