THREAT ASSESSMENT: South Korea’s Semiconductor Sector at Risk from Hormuz-Linked Helium Supply Disruptions

If shipments through the Strait of Hormuz face sustained interruption, South Korea’s semiconductor manufacturers may face escalated helium costs and accelerated pressure to reallocate R&D capital toward supply security rather than process innovation.
Bottom Line Up Front: South Korea’s semiconductor industry—a cornerstone of national economic growth—is under growing strategic threat due to its overreliance on helium imports from Qatar, which transit the volatile Strait of Hormuz; prolonged disruption could force costly supply realignments and divert critical R&D funding, undermining long-term competitiveness [1].
Threat Identification: The primary threat is supply chain disruption of helium, a critical specialty gas used in semiconductor manufacturing, due to geopolitical instability affecting shipping through the Strait of Hormuz. South Korea, as the world’s largest consumer of helium for chip production, sources over 65% of its supply from Qatar, making it highly exposed to regional conflict between Iran and the U.S.-Israeli coalition [1].
Probability Assessment: The likelihood of intermittent disruptions is currently high (70–80%) given active hostilities near the Strait as of June 2026. A prolonged disruption (lasting six months or more) is assessed at moderate probability (50–60%) over the next 12–18 months, depending on conflict escalation or diplomatic resolution [1].
Impact Analysis: Immediate impacts include price spikes and supply bottlenecks. Long-term consequences involve forced long-term premium contracts and reallocation of R&D capital toward supply security rather than innovation—an opportunity cost that erodes technological leadership. Given that semiconductors account for a significant share of South Korea’s exports and GDP growth, sustained disruption could degrade macroeconomic stability and strategic autonomy [1].
Recommended Actions:
1. Accelerate diversification of helium sources through long-term agreements with alternative suppliers (e.g., U.S., Russia, or African producers).
2. Expand domestic helium recycling and purification infrastructure to reduce net import dependence.
3. Establish a national strategic reserve of critical semiconductor gases, modeled after rare earth stockpiling initiatives.
4. Enhance public-private coordination to map and stress-test supply chains under various conflict scenarios [1].
Confidence Matrix:
- Threat Identification: High confidence — supported by firm data on sourcing (65% from Qatar) and industry dependency.
- Probability Assessment: Moderate to high confidence — based on observable military activity and historical chokepoint vulnerability.
- Impact Analysis: High confidence — aligned with structural economic dependence on semiconductors.
- Recommended Actions: High confidence — consistent with global best practices in critical supply chain resilience [1].
[1] Asia Group report cited in Yonhap News Agency, “Ex-U.S. official calls for diversification strategy for S. Korea's chip sector amid Hormuz disruptions,” June 30, 2026.
Published June 30, 2026