Oil pulled back after the Saudi pipeline restart. Is SIA suddenly safe?

What has been confirmed—and what is interpretation?

Confirmed

Saudi Arabia restarted the East-West Pipeline on 22 September 2026 at a reduced pumping rate. The pipeline had been rerouting about four million barrels a day—approximately 4% of global oil supply—away from the Strait of Hormuz. Reuters reported that Brent fell by more than US$2 towards US$97 after signs that Middle Eastern oil flows could improve.

Not yet confirmed

The reported six-to-eight-week timeline for a complete restart came from industry and security sources, not formal Saudi Aramco guidance. It is also too early to conclude that oil will remain below US$100. Further attacks, repair problems or renewed disruption around the Strait of Hormuz could reverse the decline.

Everything below is a transmission analysis—not a prediction of where oil or any SGX counter will trade next.

Why Singapore still cares when oil falls

Singapore produces about 95% of its electricity using imported natural gas. The Energy Market Authority explains that natural-gas costs are generally indexed to oil prices. Higher oil can feed into generation costs, while sustained lower oil may eventually provide relief.

But “eventually” matters. EMA also said that disrupted LNG supplies from Qatar amounted to around 10% of Singapore’s natural-gas supply. Replacement gas can cost more, so a decline in crude does not automatically return local fuel costs to their previous level.

SGX exposure map

These are exposure channels, not automatic winners and losers.

Singapore Airlines: relief does not arrive overnight

SIA is the clearest direct example because fuel is one of its largest expenses. For the quarter ended 30 June 2026, it reported record revenue of S$5.714 billion, net fuel cost of S$2.253 billion, a S$376 million fuel-hedging gain, operating profit of S$106 million and a net loss of S$76 million.

SIA said its fuel prices were typically determined on a lagged basis. The company therefore felt the earlier oil increase after the market had already moved. The reverse can also be true: even if crude remains lower, its reported fuel bill may not decline immediately.

Jet fuel can behave differently from crude

Airlines buy refined aviation fuel, not Brent crude. Jet-fuel prices also depend on refinery availability, regional inventories, shipping routes, product shortages and the spread between crude and refined fuel. Brent can fall while jet fuel remains expensive.

Hedges can delay the benefit

SIA’s hedging gain softened the previous increase. If market prices fall, existing hedges may reduce the immediate benefit or produce losses, depending on contract prices and coverage. The same tool that protects an airline when fuel rises can limit its benefit when fuel falls.

Route disruption remains separate

Lower oil does not reopen airspace or restore cancelled flights. Investors should separate fuel cost, hedging, ticket yields, passenger demand and route disruption. A lower Brent price helps only part of the equation.

Seatrium: one oil decline does not erase the order book

Seatrium’s relationship with oil works over a much longer timeline. Energy companies approve offshore platforms, floating production systems and conversions based on expected project returns over many years. They do not normally cancel a large sanctioned project because oil fell for two trading sessions.

Lower oil matters more if it persists long enough to change customers’ long-term price assumptions, final investment decisions, exploration budgets, financing availability and the timing of new offshore awards.

The most relevant evidence remains actual contract awards, project margins, milestone payments and execution—not the daily Brent chart. Existing projects can continue generating revenue if oil falls. Conversely, high oil does not guarantee profitable work if contracts are badly priced or costs overrun.

Sembcorp: lower fuel can reduce both costs and selling prices

Sembcorp’s exposure is mixed because it buys fuel and sells power. If fuel becomes cheaper, generation costs may decline, but wholesale electricity prices and customer contract prices may fall too. The result depends on the spread between the power price received and fuel cost paid.

Sembcorp’s first-half 2026 results illustrate this distinction. Gas and Related Services turnover increased partly because of higher Singapore energy prices, yet segment net profit fell 14% to S$285 million. The company cited lower power prices, weaker demand and lower Singapore generation spreads. About 80% of its Singapore gas-fired power portfolio was contracted for five years as at June 2026.

Contracts can therefore make Sembcorp’s earnings respond differently from the spot market. “Energy company” is not another phrase for “oil-price beneficiary.”

Could lower oil help S-REITs?

Operating expenses

Retail malls, hotels, data centres and other properties consume electricity and cooling. Sustained lower fuel costs may eventually reduce utilities. The benefit depends on who pays the bill, whether costs are fixed, whether expenses can be recovered from tenants and how energy-intensive the property is.

Inflation and bond yields

If oil falls sustainably, inflation expectations and bond yields may ease. That could reduce pressure on REIT valuations and future refinancing costs. But lower oil alone does not guarantee lower interest rates: central banks also consider employment, services inflation and broader demand. Investors should still check each REIT’s debt maturities and fixed-rate borrowing percentage.

What about DBS, OCBC and UOB?

Lower energy costs can reduce repayment stress for companies and households, supporting credit quality, business cash flow, consumer spending and loan demand.

The trade-off is that weaker inflation could eventually bring lower market rates, putting pressure on bank asset yields and net interest margins. Singapore banks are therefore not straightforward winners or losers.

The numbers to watch remain net interest margin, deposit costs, loan growth, non-performing loans, credit costs and fee income. Oil is one influence among several—not a banking thesis by itself.

Six common mistakes when oil reverses

1. Assuming the crisis has ended. One pipeline restarted at reduced capacity; wider supply and shipping risks remain.
2. Treating Brent as the price every company pays. Jet fuel, LNG, diesel and electricity can move differently.
3. Expecting immediate earnings relief. Contracts, inventory and hedges can delay the effect.
4. Selling every supposed oil beneficiary. Seatrium’s projects and customer decisions operate on multi-year timelines.
5. Calling every airline an instant winner. Fuel relief can be offset by demand, fares, route disruption or hedges.
6. Ignoring what the share price already expects. A counter may move before the financial effect appears in its accounts.

What should investors watch now?

• Pipeline flows: whether pumping moves from the reduced rate towards normal operations.
• Strait of Hormuz: the East-West Pipeline bypasses the strait for only part of Saudi supply.
• Jet-fuel prices: for SIA, regional jet-fuel prices and refining margins can matter more than Brent.
• Singapore electricity contracts: watch EMA tariff updates and company fuel-cost disclosures.
• Company evidence: SIA’s net fuel cost and yields; Seatrium’s contract wins and margins; Sembcorp’s generation spreads and contracting.

Your oil-movement checklist

• Does the business consume crude, jet fuel, diesel, gas or electricity?
• Is its exposure direct or indirect?
• Is the cost hedged, and when does the contract reset?
• Can the cost be passed to customers?
• Would lower energy prices reduce its revenue too?
• Does it need new orders before benefiting?
• Could inflation and interest rates matter more than fuel?
• Which figure in the next results will confirm the effect?

Key takeaways

• Saudi Arabia restarted its East-West Pipeline on 22 September, initially at a reduced rate.
• Brent fell by more than US$2 towards US$97 as expectations of additional supply improved.
• The reported full-recovery timeline remains a source estimate, not formal Saudi Aramco guidance.
• Sustained lower fuel could help SIA, but jet-fuel spreads, hedges and route disruption determine the benefit.
• Seatrium’s earnings depend on long-term project decisions and execution, not one oil-price move.
• Sembcorp can face lower fuel costs and lower power prices simultaneously.
• S-REITs and banks may benefit indirectly, but interest-rate effects remain mixed.
• Duration matters more than the headline.