Strait of Hormuz Disruption Poses Cost Risks for Nanya Technology Corporation

### Margin Pressure from Nitrogen Supply Disruptions Nanya Technology Corporation faces significant cost-driven margin pressure from tightening nitrogen feedstock supplies, with upstream disruptions impacting ammonia-derived inputs within 14 days and propagating to the company within 56 days. ### Risk Propagation Pathway SCRT identifies a risk propagation path: Strait of Hormuz Disruption Threatens Fertilizer and Ammonia Trade -> Ammonia -> Silicon Nitride Layer -> Memory Chips -> Dynamic Random Access Memory -> Nanya Technology Corporation SCRT, SupplyGraph.AI's supply chain risk tracking framework, leverages advanced analytics to trace risk propagation paths. 4 continuously updated 24/7 proprietary databases + SCRT risk tracing algorithms → risk propagation path SCRT utilizes four proprietary databases to achieve this: a 400M+ global company database, a 1.5M+ industrial product database, a product dependency graph database that maps product composition, production-stage consumables, and associated manufacturers, and a 5M+ global historical event database capturing supply chain disruptions. By learning patterns from historical supply chain disruption events and continuously tracking global events, SCRT focuses on key industrial products. It matches real-time events with historical cases to identify risks affecting Nanya Technology Corporation. SCRT analyzes product dependency graphs to locate impacted nodes and quantify risk exposure, propagating risk along dependency paths to derive the final impact assessment. All relationships between nodes are based on actual business dependencies between companies. The path is constructed based on data-driven supply chain structures. ### Price Dynamics and Supply Chain Impact Ultimately, any supply shock manifests in price—nowhere more clearly than in the sharp run-up in key nitrogen-based inputs following the Strait of Hormuz disruption. Spot prices for urea surged from $410.05 per metric ton on January 30, 2026, to $702.60 by April 15, while di-ammonium phosphate climbed from $620.30 to $717.00 over the same period. In contrast, silicon prices remained relatively stable, drifting lower from ¥8,729.09 to ¥8,311.50 per ton, underscoring that the pressure originates specifically from ammonia-derived chemicals, not base metals. The data confirm a tightening in nitrogen feedstocks that propagates downstream with measurable lags: ammonia shortages feed into nitrogen-rich deposition layers like silicon nitride within 1–2 weeks, constrained by procurement cycles; this then ripples into memory chip fabrication over the next 2–4 weeks due to fixed wafer production schedules, before impacting DRAM module assembly within an additional 1–3 weeks. By the time these bottlenecks reach Nanya Technology Corporation—Taiwan’s second-largest DRAM maker—the cumulative delay spans approximately 8 weeks from the initial maritime disruption. The mechanism is primarily cost-driven: as contract renegotiations for specialty gases and precursors absorb higher ammonia-linked input costs, Nanya faces upward pressure on wafer processing expenses. Taken together, the data point to a material cost risk that is set to pressure Nanya’s input margins within 8 weeks of the initial Strait closure. ### **Can Nanya's Mitigations Fully Insulate Against Upstream Shocks?** Counterarguments posit that Nanya Technology's diversified supplier base and strategic inventory buffers offer sufficient protection from upstream nitrogen disruptions. However, these measures fall short of addressing the inherent structural vulnerabilities in the semiconductor supply chain. ### **Rebuttal: Persistent Vulnerabilities in Specialized Inputs and Cost Transmission** While Nanya maintains multiple sourcing channels, the industry's dependence on ammonia-derived silicon nitride precursors creates irreplaceable bottlenecks that cannot be swiftly circumvented. Qualifying new suppliers demands 3–6 months of rigorous validation, exceeding the 56-day risk propagation window traced by SCRT. Moreover, inventory stockpiles and long-term contracts merely delay, rather than prevent, cost pass-through: as upstream ammonia prices escalate—urea surging 71% from $410 to $703 per metric ton between January and mid-April 2026—spot purchases and contract adjustments compel wafer fabricators to incur higher input costs amid rigid production timelines, eroding processing margins. Historical parallels from the 2021–2022 semiconductor shortage underscore this dynamic: firms with ample inventories still faced margin erosion when specialty gases and precursors tightened in Asia-Pacific markets, proving that physical buffers cannot neutralize propagating cost inflation. The Strait of Hormuz event mirrors this pattern, with ammonia and nitrogen chemicals as non-substitutable for silicon nitride deposition—a pivotal DRAM process. Risk flows inexorably from ammonia producers to specialty gas suppliers, wafer fabs, and memory assemblers, imposing dual availability and pricing strains. As Taiwan's second-largest DRAM producer, Nanya sits downstream in a synchronized network bound by fixed schedules and customer orders. The 56-day lag in SCRT's pathway captures procurement, scheduling, and logistics constraints, not resilience—locking each stage into unavoidable cost exposure. Thus, structural dependencies, relentless cost mechanics, and proven precedents affirm that Nanya confronts substantive margin pressure, irrespective of diversification or stockpiles, as nitrogen disruptions cascade through silicon nitride layers into memory production within the 8-week horizon. ### **Final Assessment: Material Risk with High Probability** The Strait of Hormuz disruption poses a high-probability supply chain risk to Nanya Technology Corporation, rooted in the semiconductor value chain's structural dependencies. Global ammonia trade constraints—vital for silicon nitride dielectric layers in DRAM—severely limit inputs. Despite diversified suppliers and buffers, the specialized ammonia-derived precursors defy short-term swaps, with 3–6 month qualification cycles dwarfing SCRT's 56-day propagation timeline. The 2021–2022 shortage validates that inventories fail to block cost compression from irreplaceable input shocks. Spot data pinpoints the nitrogen-specific surge: urea prices rose 71% from January to April 2026, while silicon held steady. This inflation permeates via inflexible wafer schedules and long-lead commitments, exposing Nanya to rising processing costs within eight weeks. The inextricable links among ammonia supply, silicon nitride deposition, and DRAM yield—sans near-term alternatives—render the risk tangibly operational. Nanya's stature as Taiwan's second-largest DRAM maker positions it vulnerably downstream in a capital-heavy, schedule-constrained ecosystem, where upstream shocks swiftly manifest as margin strain. Supply concentration, technical rigidity, and historical transmission patterns collectively signal imminent input cost impairment.