Asia’s semiconductor supply chain faces rising tail risk from helium tightness as the Iran conflict drags on and Qatar’s natural gas disruption persists, Fitch Ratings said Tuesday.

Credit risk would worsen if supply shortages exceed inventory buffers, resulting in higher-cost sourcing, increased working-capital needs and production prioritization, the rating agency said in a statement.

According to Fitch, Qatar’s gas disruption is tightening the supply of helium, a natural gas byproduct used in semiconductor manufacturing and medical imaging.

“Precautionary buying is amplifying the squeeze. Helium is produced during natural gas extraction and liquefaction, so any halt in gas production can quickly trigger alarm and push buyers towards the spot market, where price and availability can change abruptly,” it noted.

However, Fitch said that the near-term operating impact appears contained.

Taiwan’s major chipmakers have said operations remain normal and that inventories and supply are manageable.

Taiwan’s Economic Affairs Ministry also said 22 liquefied natural gas cargoes for March and April have been scheduled and domestic oil, coal and gas inventories are above statutory safety levels, implying no immediate gas supply issue and framing the conflict as a “controllable risk” for Taiwan’s semiconductor sector.

“That supports near-term sentiment, but we believe medium-term risk exists if the disruption persists and replenishment cycles become harder to manage,” Fitch noted.

The rating agency said the conflict duration will decide the credit implications.

“Even if Qatar’s facilities restart, the helium shortage may not end quickly,” it added.

It is noted that Qatar’s energy minister said normal deliveries could take weeks to months to resume after the conflict ends.

The lag would likely extend a “catch-up” period for shipping schedules and contract allocations, keeping spot prices elevated and increasing the likelihood of tighter supply discipline by industrial gas distributors.

According to Fitch, regional exposure differs considerably and determines where supply stress will emerge first.

South Korea appears among the most vulnerable because it sourced about 64.7 percent of its helium imports from Qatar last year.

Major Asian chipmakers have already conducted comprehensive helium inventory assessments.

Taiwan also faces similar risks as it relies on Qatar for the majority of its helium supplies.

“Near-term alternative sourcing is difficult, with higher-cost US supply a potential fallback, said Fitch.

By contrast, it noted Japan’s helium supply is relatively more stable.

It sources about 50 percent of its supply from the US and 28%–33% from Qatar, and holds inventories in both the US and Japan, highlighting how diversified sourcing and inventory positioning can reduce disruption risk.

“Cost pressure is a second-order issue in Fitch’s base case but matters in a prolonged disruption,” said the rating agency.

It opined that spot helium prices could spike by 50 percent to 200 percent in severe shortage scenarios, while contract prices are typically more stable but could still rise 20 percent to 40 percent on renegotiation.

“Even so, the impact on overall cost of goods sold should be modest for larger manufacturers because helium generally comprises around 0.5 percent to 1 percent of production costs,” it added.

Meanwhile, Fitch noted that operational concerns are more credit relevant.

“Should constrained flows persist long enough to exhaust buffers – potentially beyond about six weeks – manufacturers could face tighter allocation, higher procurement costs and increased working-capital needs and earnings volatility,

“This could, in more severe cases, force production rescheduling or prioritization towards higher-value output,” said the rating agency.

Conversely, Fitch highlighted that supply tightness could also lift chip prices and support margins for the large Fitch-rated memory chip producers, limiting the rating impact and building resilience for a more prolonged disruption.

“These issuers typically have longer-term helium supply contracts, larger inventories and higher helium-recycling rates that reduce net consumption and spot-market exposure,” it noted.

It also said that mitigants include long-term contracts with diversified suppliers including the US, Russia and Algeria, advanced helium recycling systems (leading fabs can recycle around 80%–90%), strategic stockpiling and multi-sourcing.

“Larger, leading-edge manufacturers with robust recycling and established contract structures are better positioned than smaller operators with greater spot-market reliance,” it added.

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