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    Thomas DiffelyD.A. Davidson & Co.

    Thomas Diffely's questions to Ichor Holdings Ltd (ICHR) leadership

    Thomas Diffely's questions to Ichor Holdings Ltd (ICHR) leadership • Q1 2025

    Question

    Thomas Diffely of D.A. Davidson & Co. inquired if the company's view on required manpower or yields for internal sourcing has changed, and if the long-term margin outlook for the project remains intact. He also asked about plans to regionalize the operation and quantify the tariff impact.

    Answer

    Executive Jeffrey Andreson confirmed the long-term incremental margin view has not changed, though the company is still on a learning curve. He stated the plan is to globalize the operation, with significant CapEx for a new machining facility in Malaysia. Executives Greg Swyt and Jeffrey Andreson explained the steel tariff impact is not significant, as it mainly affects certain U.S. inbound materials, while their largest weldment facility is in Malaysia and their Mexico operation is exempt.

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    Thomas Diffely's questions to Ichor Holdings Ltd (ICHR) leadership • Q4 2024

    Question

    Tom Diffely asked if Ichor expects to grow faster than its OEM customers, sought perspective on the NAND market's recovery relative to other segments, and inquired about the revenue capacity of the current infrastructure.

    Answer

    Executive Jeffrey Andreson stated that Ichor expects to outgrow its large OEM customers, who are themselves poised to outgrow the overall WFE market. He noted the NAND recovery is significant but still represents a smaller portion of revenue (growing from ~5% to ~7%) compared to DRAM and foundry logic. Andreson confirmed the company's physical plant has capacity for quarterly revenue well north of $400 million, with headcount being the primary variable managed against demand.

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    Thomas Diffely's questions to Ichor Holdings Ltd (ICHR) leadership • Q3 2024

    Question

    Thomas Diffely asked for more color on the DRAM outlook, the qualification status of new fittings, and an update on longer-lead time products like flow controllers. He also questioned if next-gen gas panels could drive upside to the 25% incremental margin target.

    Answer

    Executive Jeffrey Andreson stated that DRAM demand remains strong, driven by HBM, and sees no pullback. He confirmed that qualified fittings can be used broadly. For longer-lead products, he noted progress but sees a major inflection in 2026. Executive Greg Swyt added that as the mix of next-gen gas panels increases, it is realistic to expect upside to the 25% incremental margin goal.

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    Thomas Diffely's questions to Kulicke and Soffa Industries Inc (KLIC) leadership

    Thomas Diffely's questions to Kulicke and Soffa Industries Inc (KLIC) leadership • Q2 2025

    Question

    Thomas Diffely asked for financial details on the electronics assembly (EA) business being discontinued, including its revenue run rate and profitability. He also sought clarification on the timing and amount of future wind-down charges and inquired about the current dynamics in the power semiconductor market.

    Answer

    CFO Lester Wong provided specifics on the EA business, stating it had an annual revenue of $25-$30 million, gross profit of $7-$11 million, and operating expenses of $20-$25 million. He clarified that residual wind-down expenses would be under $15 million in total, spread over the next few quarters and into fiscal 2026. President and CEO Fusen Chen added that the power semiconductor market is growing rapidly, with new products for power modules expected to contribute to revenue in 2026.

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    Thomas Diffely's questions to Kulicke and Soffa Industries Inc (KLIC) leadership • Q1 2025

    Question

    Thomas Diffely questioned which end markets have the most excess capacity and will recover first, whether recent NAND strength would provide a near-term boost, and how a return to normalized core markets would impact gross margins.

    Answer

    CEO Fusen Chen identified China as leading the recovery in auto and general semiconductor, driven by legacy node expansion. He noted KLIC's dominant NAND market share positions it to benefit when packaging investment follows front-end builds. CFO Lester Wong reaffirmed the 50% gross margin target, expecting margins to improve with higher volumes, new products, and cost reductions.

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    Thomas Diffely's questions to Kulicke and Soffa Industries Inc (KLIC) leadership • Q4 2024

    Question

    Thomas Diffely of D.A. Davidson & Co. asked for an update on the general semiconductor business recovery in fiscal 2024 and the outlook for fiscal 2025 relative to normalized levels. He also requested clarification on the size of the Project W reimbursement relative to the total impairment charge.

    Answer

    CEO Fusen Chen detailed the fiscal 2025 outlook, expecting a strong second half driven by capacity additions in China, with ball bonder run rates potentially returning to the pre-COVID $500-$600 million range. CFO Lester Wong explained that the company will recognize a $75 million reimbursement for Project W in Q1, which represents a significant portion of the original $105 million impairment charge taken in Q2 2024.

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    Thomas Diffely's questions to Axcelis Technologies Inc (ACLS) leadership

    Thomas Diffely's questions to Axcelis Technologies Inc (ACLS) leadership • Q1 2025

    Question

    Thomas Diffely asked for an update on business activity in Japan and inquired how key technology transitions in silicon carbide—such as 150mm to 200mm wafers, planar to trench architecture, and super junction devices—specifically impact Axcelis's business.

    Answer

    CEO Russell Low expressed optimism about Japan, noting that initial tool placements for silicon carbide and general mature are in place, and he anticipates repeat orders as utilization increases. He explained that the transition to trench and super junction architectures increases demand for high-energy implant, a core strength for Axcelis, driving opportunities for both new tools and CS&I upgrades. He sees these transitions occurring in both new systems and aftermarket upgrades.

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    Thomas Diffely's questions to Axcelis Technologies Inc (ACLS) leadership • Q4 2024

    Question

    Thomas Diffely of D.A. Davidson & Co. asked for an update on the company's expansion into Japan, whether Japan and advanced logic are longer-term growth stories, and about the duration and stability of the current backlog.

    Answer

    President and CEO Russell Low explained that Japan is a significant opportunity where Axcelis is gaining a beachhead in power applications and recently shipped an advanced logic system. He confirmed that Japan and advanced logic are expected to be modest contributors building towards the long-term $1.6B model, positioning them as a 2026-2027 story. EVP and CFO James Coogan noted that some customer pushouts have occurred, extending the backlog's duration, with some orders now scheduled into early 2026.

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    Thomas Diffely's questions to Axcelis Technologies Inc (ACLS) leadership • Q3 2024

    Question

    Thomas Diffely asked about the business opportunity presented by the silicon carbide (SiC) transition from 150mm to 200mm wafers and sought more color on the drivers behind the year-over-year decline in gross margin.

    Answer

    CEO Russell Low explained that customers are adding new 200mm capacity rather than immediately converting 150mm lines, creating opportunities for new tool sales. He also noted that existing tools are field-upgradable, which presents a future aftermarket opportunity. CFO James Coogan attributed the margin decline to a combination of lower overhead absorption, unfavorable systems mix, and slightly lower CS&I revenue, confirming no unusual pricing pressure.

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    Thomas Diffely's questions to FormFactor Inc (FORM) leadership

    Thomas Diffely's questions to FormFactor Inc (FORM) leadership • Q1 2025

    Question

    Thomas Diffely from D.A. Davidson asked to prioritize the HBM growth drivers for the second half of 2025 and questioned if the company would have hit its $2 EPS target at a higher Q1 revenue level.

    Answer

    CEO Mike Slessor explained that HBM growth will be driven by continued HBM3E volumes, with a crossover to HBM4 expected late in 2H 2025, alongside growing contributions from a second HBM customer. He noted minimal margin difference between HBM3 and HBM4. CFO Shai Shahar stated that reaching the target model requires not just higher volume but also a better product mix and ongoing internal cost programs.

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    Thomas Diffely's questions to FormFactor Inc (FORM) leadership • Q4 2024

    Question

    Thomas Diffely asked about the impact of a smaller Foundry & Logic mix on corporate gross margin targets and questioned whether the FICT acquisition's primary goal was supply security or influencing FICT's future roadmap.

    Answer

    CFO Shai Shahar reiterated the 47% gross margin target, noting initiatives like a new lower-cost DRAM architecture are underway to mitigate the current DRAM-rich mix. CEO Mike Slessor clarified the FICT investment is a strategic partnership to accelerate joint product roadmaps for high-performance compute, not for supply exclusivity, with collaboration on customer designs happening on tight cycles.

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    Thomas Diffely's questions to FormFactor Inc (FORM) leadership • Q3 2024

    Question

    Thomas Diffely from D.A. Davidson & Co. asked about FormFactor's long-term market share potential across all HBM makers and inquired about trends in the traditional DRAM market. He also requested more detail on the cost issues within the Systems business.

    Answer

    CEO Mike Slessor stated that while share is strong with the leading HBM customer, he doesn't expect the same level of concentration at the other two makers. He highlighted surprising strength in DDR5, which helped drive record Q3 DRAM revenue. CFO Shai Shahar clarified that the Q3 Systems segment cost issues were one-time warranty and scrap charges, and the segment's high-40s to low-50s margin target remains intact.

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    Thomas Diffely's questions to Amkor Technology Inc (AMKR) leadership

    Thomas Diffely's questions to Amkor Technology Inc (AMKR) leadership • Q1 2025

    Question

    Thomas Diffely asked if AI moving to the edge is expected to drive handset unit growth this year and if technology changes alone could fuel growth for Amkor in a depressed market. He also questioned why COGS were similar in Q1'25 versus Q1'24 on lower revenue, probing for mix or pricing impacts.

    Answer

    CEO Giel Rutten responded that AI will likely enter premium-tier smartphones first, which benefits Amkor, but it is difficult to forecast if it will drive unit upside this year given market uncertainties. CFO Megan Faust clarified the COGS question, explaining that the primary driver was the inclusion of production costs from the new Vietnam factory in Q1 2025, which were not present in Q1 2024 and impacted margins by approximately 100 basis points.

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    Thomas Diffely's questions to Amkor Technology Inc (AMKR) leadership • Q4 2024

    Question

    Thomas Diffely asked if moving to next-generation compute packages requires new capacity or an upgrade to existing lines, and also requested specifics on the reason for the 2025 tax rate increase.

    Answer

    CEO Giel Rutten explained that recent investments were in fungible capacity, allowing them to support 2.5D, RDL, and future technologies, and that the 2025 CapEx will increase overall capacity for a broadening pipeline including data center CPUs and networking. CFO Megan Faust attributed the effective tax rate increase to around 20% to the adoption of Pillar Two global tax regulations in certain jurisdictions.

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    Thomas Diffely's questions to Amkor Technology Inc (AMKR) leadership • Q3 2024

    Question

    Thomas Diffely questioned what drove the earlier-than-normal ramp for the iOS phone, asked for clarification on a perceived substrate issue, and inquired if the margin burden from the new Vietnam facility would be a step-function or a gradual ramp.

    Answer

    CEO Giel Rutten clarified that the unusual seasonality (stronger H1, weaker H2) was observed in both the iOS and Android ecosystems and he could only speculate on the cause. He corrected that the Q4 weakness was due to this seasonality (75%) and a device changeover (25%), not a substrate issue. CFO Megan Faust explained the Vietnam margin impact was about 50 basis points in Q3, will step up to a peak of about 100 basis points in Q4, and then taper off through 2025 as the facility scales.

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    Thomas Diffely's questions to Photronics Inc (PLAB) leadership

    Thomas Diffely's questions to Photronics Inc (PLAB) leadership • Q1 2025

    Question

    Thomas Diffely of D.A. Davidson & Co. inquired about the reasons for flat Q2 guidance despite typical seasonality, the current supply-demand and pricing dynamics in the mainstream business, the level of competition from local Chinese suppliers, the technical challenges and market potential for the new G8.6 AMOLED displays, and the company's capital allocation strategy concerning its large cash balance and share buybacks.

    Answer

    CEO KangJyh Lee attributed the flat guidance to persistent weakness in the low-end mainstream market (6-inch and 8-inch fabs), particularly in Asia and Europe, but affirmed that pricing remains firm. He noted that while Chinese competition exists in the low-end, Photronics focuses on higher-value nodes. CTO Christopher Progler detailed the technical hurdles of scaling specifications for G8.6 AMOLED masks. CFO Eric Rivera reiterated the capital allocation strategy, prioritizing CapEx followed by M&A or share repurchases, confirming a $100 million buyback authorization and a cautious stance due to the macro environment.

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    Thomas Diffely's questions to Photronics Inc (PLAB) leadership • Q4 2024

    Question

    Thomas Diffely of D.A. Davidson & Co. asked for details on the rise in operating expenses, the allocation of the $200 million CapEx plan for 2025, the long-term health of the mainstream IC business, the growth outlook for the photomask industry, and which specific products in the AI ecosystem are driving demand.

    Answer

    Executive Eric Rivera explained that increased SG&A and R&D drove operating expenses, with about half the SG&A increase being non-recurring, and expects OpEx to return to 10% of revenue. Rivera and executive Christopher Progler clarified the $200 million CapEx is mostly for new capacity in the U.S. to support regionalization, not new facilities. Progler and executive KangJyh Lee described the mainstream business as healthy and growing. Lee projected continued industry growth over the next three years, driven by AI and regionalization. Progler specified that AI-related demand comes from peripheral circuitry, edge chips, memory, and ASICs, rather than primary GPUs.

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    Thomas Diffely's questions to Photronics Inc (PLAB) leadership • Q3 2024

    Question

    Thomas Diffely of D.A. Davidson & Co. asked about the factors supporting earnings despite weaker revenue, specifically tax and noncontrolling interests. He also questioned the rise in SG&A, the status of a General Counsel dismissal, the pricing stability of the mainstream business, and the long-term outlook for display technologies, including the impact of Apple's micro display project cancellation and the ramp-up of larger OLED panels.

    Answer

    CFO Eric Rivera explained that a favorable jurisdictional mix of earnings drove tax benefits and that stronger performance in wholly-owned subsidiaries offset weaker results from joint ventures. He attributed higher SG&A to professional services fees and stated there was no update on the General Counsel matter. CEO Frank Lee confirmed that the mainstream business pricing is stable due to limited industry capacity. CTO Christopher Progler noted that Apple's decision on micro displays has minimal impact and highlighted the significant opportunity in high-ASP Gen 8.6 OLED masks, where the company holds a technology advantage.

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    Thomas Diffely's questions to Aehr Test Systems (AEHR) leadership

    Thomas Diffely's questions to Aehr Test Systems (AEHR) leadership • Q2 2025

    Question

    Thomas Diffely of D.A. Davidson & Co. inquired about the Chinese silicon carbide market outlook amid the patent lawsuit, the nature of risks to current year orders, and the key drivers for the flash memory test opportunity.

    Answer

    Executive Gayn Erickson stated Aehr remains competitive in China regardless of the lawsuit's outcome due to superior technology. He clarified that the main risk to orders is push-outs from market softness and trade uncertainties, not competitive losses. For flash memory, he identified the key drivers as the need for cost-effective testing and solving the high-power thermal challenges created by high-layer-count 3D NAND technology.

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