This article first appeared in Forum, The Edge Malaysia Weekly on March 16, 2026 - March 22, 2026

The escalation of conflict involving Iran has jolted global energy markets, pushing oil prices sharply higher on fears that supply routes through the Strait of Hormuz could be disrupted. Brent crude has surged in recent days and global analysts warn prices could climb further if the conflict spreads or shipping lanes are affected. For oil-importing economies, such a shock typically worsens fiscal balances through higher fuel costs and subsidy burdens. Malaysia, however, sits in a more complicated position. As both an oil producer and a country that maintains a heavily subsidised domestic petrol price, the same price shock simultaneously boosts government-linked petroleum revenues while increasing the cost of shielding consumers from global fuel volatility.

The centre of this balancing act lies in the relationship between the federal government and Petroliam Nasional Bhd (PETRONAS). Higher crude prices tend to raise PETRONAS’ upstream profit and, by extension, the dividends and petroleum taxes that flow into government coffers. At the same time, the government has pledged to maintain the subsidised RON95 petrol price at RM1.99 per litre under the BUDI95 programme despite rising global uncertainty.

This creates a natural fiscal hedge. As global oil prices rise, the subsidy bill increases but so too does the petroleum revenue base that finances it. The key question is therefore not simply whether oil prices rise but whether the additional revenue generated through PETRONAS and petroleum taxes is sufficient to offset the growing cost of keeping domestic fuel prices stable.

To examine how the oil price shock affects Malaysia’s fiscal position, this article constructs a simplified fiscal sensitivity model linking three channels: PETRONAS dividends, petroleum income tax (PITA) and the RON95 fuel subsidy bill. The model uses PETRONAS’ FY2025 financials as the baseline, with profit contributions from the upstream and gas segments scaled to changes in Brent crude prices.

On the fiscal side, Budget 2026 projections provide the baseline for petroleum income tax while the government’s BUDI95 programme anchors the subsidy calculation at the fixed pump price of RM1.99 per litre. The subsidy bill is then estimated by modelling how the market price of petrol moves with Brent crude. While the model abstracts from operational frictions such as shipping disruptions or downstream margin pressures, these factors are discussed qualitatively rather than embedded directly in the calculations.

The results suggest that Malaysia’s fiscal response to higher oil prices is not linear. At moderate increases in oil prices, specifically when Brent rises from roughly US$65 to US$80 per barrel on an annual average, the subsidy bill grows slightly faster than petroleum revenue. In this range, the widening gap between the domestic pump price and global fuel prices increases subsidy spending by about 22% while petroleum-related revenue from PETRONAS dividends and PITA rises by roughly 20%.

Beyond this point, however, the relationship begins to shift. As oil prices move into higher ranges, around US$100 per barrel and above, the increase in petroleum revenue begins to outpace the growth in subsidy spending. For example, when Brent rises to US$120, petroleum revenue is estimated to increase by nearly 73% relative to the baseline, compared with a 67% increase in subsidy costs. At US$150, the divergence becomes even more pronounced, with petroleum revenue rising by about 113% while subsidy spending increases by roughly 101%. In absolute terms, this means that the government’s petroleum-related income grows more than the subsidy burden as oil prices climb, highlighting how Malaysia’s ownership of PETRONAS acts as a partial fiscal hedge against fuel subsidy pressures.

As global oil prices rise, the fiscal cost of maintaining RON95 at RM1.99 per litre increases steadily in absolute terms. Based on the estimate, the annual subsidy bill is about RM9.4 billion when Brent is at US$65 per barrel, rising to RM10.9 billion at US$80, RM12.9 billion at US$100, RM14.9 billion at US$120 and RM17.9 billion at US$150.

Every sustained jump in crude prices forces the government to absorb a larger gap between market-linked fuel costs and the fixed domestic pump price. The September 2025 decision to reduce the subsidised price from RM2.05 to RM1.99 further deepens this burden. Holding all else equal, keeping RON95 at RM2.05 instead would save the government roughly RM1.1 billion a year at every Brent price point.

From a fiscal perspective, the immediate implication is that Malaysia’s exposure to higher oil prices is more balanced than it might first appear. Unlike net oil importing economies, where rising crude prices translate almost entirely into higher subsidy bills and external deficits, Malaysia’s position as both an energy producer and subsidiser creates a built-in counterweight within the public finances.

As oil prices rise, the subsidy gap for RON95 widens and the government must allocate more resources to maintain the RM1.99 pump price. At the same time, however, higher prices strengthen petroleum-related revenues through PETRONAS dividends and petroleum income tax. Taken together, this creates a partial fiscal hedge, in which the same price shock that raises subsidy costs also expands the revenue base that finances them. From this angle, the recent increase in global oil prices, while fiscally relevant, is not necessarily a major source of concern for the federal budget, at least within the range of oil prices considered in the model.

However, that headline estimate should be treated as an upper-bound fiscal benefit, because it likely overstates the petroleum revenue upside, especially on the PETRONAS side. The model assumes that higher Brent feeds through cleanly into profit but, in reality, the Iran war is also raising the cost of doing business across the oil and gas chain.

The conflict has sharply increased tanker and liquified natural gas (LNG) freight rates, raised war-risk insurance premiums and disrupted shipping through the Strait of Hormuz while production curbs have already been announced in parts of the Gulf because exports cannot move normally. Those disruptions matter for PETRONAS because its exposure is not confined to selling Malaysian crude. Its FY2025 profits were driven by both upstream and gas AND maritime; meaning logistics and shipping frictions can directly erode the margin gain from higher prices.

PETRONAS also has direct upstream exposure in the Middle East, particularly in Iraq. Through its subsidiary PETRONAS Carigali Iraq Holding BV, the company has participated in several Iraqi oil developments including the Garraf, Halfaya and Badra oilfields. This overseas exposure means that regional instability could materially affect PETRONAS’ bottom line and, therefore, the dividends that ultimately flow to the Malaysian government.

At the same time, developments closer to home could also weigh on production. The transfer of oil and gas exploration rights in parts of Sarawak to the state-owned company Petroleum Sarawak Bhd has introduced greater competition for upstream activity in the state, potentially limiting the scale of future production growth for PETRONAS.

While higher oil prices may still lift PETRONAS’ revenue, not every extra dollar of Brent becomes distributable profit. If operational costs rise and overseas portfolios come under pressure, the eventual dividend to the government could be smaller than a simple oil price model suggests, which would leave the federal budget carrying a heavier net subsidy burden than the headline estimates imply.

Doris Liew is an economist specialising in Southeast Asian development

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