TSMC postpones High-NA EUV adoption; Bernstein maintains Outperform rating on ASML

Overview

This is a Bernstein Quick Take company research report on ASML Holding NV. The core event is that TSMC stated at its annual Technology Symposium on April 22, 2026, that its A14, A13, and A12 nodes through 2029 will not adopt High-NA EUV. The report argues that the market interpreted this as negative for ASML, but the information is more a confirmation of prior expectations than a new deterioration in fundamentals.

Core views

Bernstein's core views are: first, TSMC is not always the earliest adopter of new technologies; historically, EUV and GAA were also first commercialized by Samsung, but that did not prevent those technologies from subsequently being widely adopted; second, High-NA EUV still has technical value, with logic chips potentially seeing adoption at the A10 node and DRAM potentially at the D0a node; third, even if High-NA adoption slows, the short-term financial impact on ASML could be neutral or even somewhat positive, because Low-NA tools can still generate meaningful revenue and higher margins in multi-patterning scenarios; fourth, ASML's valuation is low relative to peers, and the report maintains Outperform.

Analysis framework

The report assesses the fundamental impact of delayed High-NA EUV adoption by combining TSMC's technology roadmap, imec's logic and DRAM roadmaps, ASML tool price and throughput assumptions, and ASML's historical and relative P/E valuation. The analytical focus is not simply on whether a High-NA delay is negative, but on comparing ASML's revenue per exposure, tool demand, and valuation implications under different lithography solutions.

Methodology notes

• Technology roadmap analysisComparison of TSMC and imec advanced process roadmaps

  Use TSMC's A14/A13/A12 node plans and imec's A10 and D0a roadmaps to infer the potential timing of High-NA EUV adoption.

  The report believes that the 18nm logic linewidth and 28nm DRAM contact pitch mentioned by ASML management correspond to the A10 logic node and D0a DRAM node in imec's roadmap, respectively, implying that logic may adopt High-NA in 2029 and DRAM may adopt it in 2028.

• Equipment economics analysisRevenue per exposure comparison

  Compare the price, throughput, availability, and revenue per exposure of the Low-NA 3800F and the High-NA 5200C.

  The report estimates revenue per exposure of EUR 37.8 for the Low-NA 3800F and EUR 73.6 for the High-NA 5200C, about 2x; if High-NA only replaces 2 Low-NA exposures, ASML is roughly financially indifferent.

• Valuation analysisP/E multiple and relative peer valuation

  Use forward P/E, historical averages, and relative semiconductor equipment peer valuation to assess ASML's current pricing.

  The report notes that ASML is trading at about 36.6x P/E, low relative to peers, and derives the EUR 1,700 target price by applying 40x P/E to Q5-8 EPS estimates.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• ASML Holding NV

  Core research subject

  Strengths

  A leader in EUV lithography, with both Low-NA and High-NA products in critical positions for advanced processes; the report believes its valuation is low relative to peers.

  Weaknesses

  The commercialization pace of High-NA is affected by customer adoption timing, and the commercialization cost of advanced EUV may weigh on margins.

  Comparison

  The report argues that TSMC's conservative adoption of new technology is not unusual; Samsung was the first to commercialize EUV and GAA, but that did not affect the subsequent broad adoption of those technologies.

  Risks

  Weaker WFE market, excessive inventory among Chinese customers, tighter export controls, and slower technology migration.

• High-NA EUV

  ASML's advanced product and the focus of market sentiment

  Strengths

  Can support smaller linewidths and more advanced nodes, theoretically reducing multi-patterning complexity.

  Weaknesses

  Single-tool throughput is lower than Low-NA, initial cost and margin pressure may be higher, and TSMC does not plan to adopt it through 2029.

  Comparison

  The report estimates revenue from 1 High-NA exposure is roughly equal to revenue from 2 Low-NA exposures; if it replaces 3 Low-NA exposures, ASML may benefit more from selling Low-NA.

  Risks

  Delayed customer adoption, lower-than-expected number of application layers, and worse-than-expected substitution economics.

• Low-NA EUV 3800F

  Substitution solution under a High-NA delay scenario

  Strengths

  Higher throughput, and the report believes margins may be higher than contemporaneous High-NA; multi-patterning can continue to support process advancement.

  Weaknesses

  Requires multiple exposures to replace High-NA capability, potentially increasing customer process complexity.

  Comparison

  Revenue per exposure for the 3800F is EUR 37.8, versus EUR 73.6 for the 5200C, approximately 1:2.

  Risks

  If High-NA scales quickly or customers reduce demand for Low-NA multi-patterning, tool demand may come in below expectations.

• TSMC

  Key customer and signal source for technology adoption pace

  Strengths

  Its advanced process roadmap has a significant impact on industry equipment demand.

  Weaknesses

  It is typically conservative in adopting new technology, which may delay the release of High-NA demand.

  Comparison

  TSMC was not the earliest adopter of EUV or GAA; Samsung first commercialized the respective technologies in 2018 and 2022.

  Risks

  If TSMC does not adopt High-NA for a prolonged period, the market may continue to cut long-term expectations for ASML's High-NA demand.

Key data

• TSMC High-NA adoption paceA14, A13, and A12 nodes will not adopt High-NA EUV through 2029From information disclosed at TSMC's Technology Symposium on April 22, 2026.
• Potential logic High-NA nodeA10, around 2029The report infers this based on imec's roadmap and ASML management's comments on 18nm logic linewidth.
• Potential DRAM High-NA nodeD0a, around 2028The report judges this based on imec's DRAM roadmap and 28nm contact pitch.
• Low-NA 3800F assumptionsThroughput 260 wph; ASP about EUR 286-290mn; revenue per exposure EUR 37.8The table shows ASP at EUR 286mn, while the main text states about EUR 290mn.
• High-NA 5200C assumptionsThroughput 190 wph; ASP about EUR 390mn; revenue per exposure EUR 73.6The report believes High-NA revenue per exposure is about 2x that of Low-NA.
• Target priceEUR 1,700 / USD 1,971The valuation method applies 40x P/E to Q5-8 EPS estimates and uses the EUR/US$ exchange rate for the U.S.-listed shares.
• RatingOutperformBernstein defines this rating as outperforming the market index by more than 15 percentage points over the next 12 months.
• Valuationabout 36.6x P/EThe main text states that ASML's current valuation is at a trough relative to peers.

Impact & implications

In the short term, TSMC's delayed adoption of High-NA EUV may weigh on market sentiment, but the report argues this does not necessarily weaken the investment case for ASML. If customers continue to advance process technology through Low-NA multi-patterning, ASML can still generate revenue through additional Low-NA tool sales; under certain substitution ratios, Low-NA sales may even be better than sales of a single High-NA tool. Over the medium to long term, the technical value of High-NA remains, with potential adopters including Intel, SK Hynix, and subsequent logic and DRAM nodes.

Risks

• ASML margins may come in below expectations due to higher EUV commercialization costs and higher costs of advancing next-generation EUV.
• Inventory accumulation in the China market may exceed expectations.
• The WFE market may be weaker than expected.
• The pace of advanced process technology migration may be slower than expected.
• There is a long-term threat of substitution from other technology pathways.
• Export controls on Chinese customers may tighten further.

What to watch

• Whether TSMC changes its High-NA adoption plan at A10 or later nodes.
• Whether Intel adopts High-NA EUV in 2028 or 2029.
• Whether SK Hynix adopts High-NA at DRAM nodes around 2028.
• Actual orders, shipments, throughput, and customer layer adoption for ASML's High-NA 5200C.
• Demand, pricing, margins, and multi-patterning intensity for the Low-NA 3800F.
• Whether ASML's P/E premium versus semiconductor equipment peers recovers.
• Changes in Chinese customer orders, inventory, and export control policies.