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報告_Citi_台灣電子半導體月度追蹤_20261012

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citi

Taiwan Electronics & Semiconductors

Taiwan monthly tracker and what's new in AI - Positive into earnings season

CITI'S TAKE

Taiwan technology supply chain concluded a robust 3Q26 revenue. Other than solid momentum in foundry, OSAT and testing interface/equipment, we see accelerating revenue growth for substrate and CCL makers. Server ODMs are also benefiting from new Rubin system and ASIC rack ramping. Heading into 3Q26 earnings season, we expect companies to provide better visibility and outlook into 4Q26 and 2027. We expect TSMC's earnings call to be an important indicator and catalyst for AI supply chain into next year (see our TSMC preview note).

Semiconductor foundry and OSAT- On the back of strong AI compute demand, TSMC and ASEH reported solid 18% and 28% QoQ revenue growth, respectively, in 3Q26. We believe there is a great chance that TSMC beats its full year guidance and delivers mid-40% YoY growth for 2026, and we expect more upside for ASEH's leap business outlook into next year. For trailing edge foundry, we believe the high UTR will support better GM recovery; VIS may see more revenue and GM upside on its interposer business outsourcing from TSMC.

On testing interface and equipment, we expect the rising chip complexity and testing process to persist. Both Chroma and Hon Precision posted stronger than expected Sep and 3Q26 revenue. With smooth capacity ramp for Hon, we see sequential QoQ sales growth momentum into next year. MPI and Winway are also ahead of consensus on 3Q26 revenue while WinWay's MoM decline in Sep was mainly driven by lower probe card revenues as major project shipments have temporarily wrapped up. We expect Rubin Ultra's expandable scale-up CPO rack design to be the next catalyst for CPO testing sector into late 2026/early 2027.

IC fabless - ASIC momentum picking up - Thanks to ARM-based CPU and Trainium 3 momentum pickup respectively at GUC and Alchip, both companies' 3Q26 revenues are ahead of consensus estimate with 35%/243% QoQ growth, respectively. We believe the robust order flow will continue into 4Q26/2027. We see multiple growth on GUC's CPU shipment growth into next year thanks to agentic AI demand and Alchip's Trainium chip ramping up into next year also on track. On Mediatek, 3Q26 revenue is ahead of company's guidance and Street's estimate thanks to its market share gain in smartphone, and we expect TPU to start contributing in 4Q26. We expect Mediatek to further lift its AI ASIC business opportunity thanks to solid product pipeline in the next 2 years (see our recent report on Mediatek).

See Appendix A-1 for Analyst Certification, Important Disclosures and Research Analyst Affiliations.

n

Laura (Chia Yi) Chen AC

+886-2-8726-9090 laura.cy.chen@citi.com

Jack Chen +886-2-8726-9091 jack1.chen@citi.com

Angela Hsu +886-2-8726-9083

angela.hc.hsu@citi.com

Michael Hung +886-2-8726-9092 michael.hung@citi.com

Nicholas Lai +886-2-8726-9093 nicholas.lai@citi.com [讀者資訊已遮蔽] PCB and substrate- 3Q26 was a strong quarter for substrate and CCL sectors, with demand continuously piling up. Unimicron posted +23% QoQ sales growth in 3Q26, beating Citi/consensus forecasts by 4%/6%. We expect 4Q26E ABF sales momentum to be even stronger vs 3Q considering all the AI chips ramping up together. CCL names also saw strong momentum across the board thanks to enhanced product mix and benefit from price hike in 2Q26. We expect CCL sector to see another round of price hikes from Nov onwards. For PCB, GCE's Sept sales were impacted by flooding in Thailand, which led to logistics disruption, while Tripod posted record monthly sales backed by memory demand and early pull-in before China Golden Week. With TPCA Show coming next week, we think substrate/CCL/PCB sectors might see some event catalysts in the near term. However, from a fundamental perspective, we still prefer substrate (Unimicron>NYPCB>Kinsus) > CCL (EMC>TUC) > PCB.

PC/NB Supply chain - For NB ODMs, overall NB shipments see MoM increase in Sep (+32% MoM) due to the quarter end inventory build; combined 3Q NB shipments were down 17% QoQ due to the early pull-in in 1H. We forecast 4Q26E NB shipments to further decline -7% QoQ/-28% YoY given the muted demand on rising retails prices and the increasing constraint in components procurement, While the price hike effect in the NB products should partially offset shipment decline, we expect increasing margins dilution impact to the NB ODM supply chains.

For lens components - Largan reported relatively muted sales results in Sep at NT$5,779m (+15% MoM/-7% YoY); combined 3Q revenues are below market estimates while Genius' 3Q revenues were slightly better than expectation. Despite the near-term sales performance, we see more upside opportunity coming from their new development in optical business in the longer term. We expect Genius' project with a leading US company on optical connector and ferrule to start shipment in 1H27. For Largan, we expect it to benefit most from FA/FAU for CPO market. We see its current engagement with the leading US client progressing smoothly, as evidenced by its continued new land expansion for future capacity build-out (see our recent report).

Thermal - Sep-26 sales as reported by thermal players (AVC & Auras) were up from Aug at +6% MoM/+42% YoY. While AVC delivered another record month thanks to solid ASIC demand and initial Vera Rubin shipments, Auras experienced MoM decline due to client deferring pull-ins and Thailand flooding. Going forward, we preliminarily expect both companies to see sequential revenue growth in 4Q26E, driven by the AWS Trainium transition from air to liquid cooling, ramp-up of the TPU and Vera Rubin projects.

Power - Delta reported MoM revenue recovery in Sep-26 (+1% MoM/+14% YoY), with power electronics down 4% MoM. 3Q26 revenues were up 8% QoQ but below our and Street's expectation. We expect Delta to regain momentum with double-digit QoQ growth in 4Q26E as ±400V enters the initial transition period, while in the long term, HVDC is still progressing gradually while Delta maintains its technology leadership. For BBU, we see Sep sales showing mixed momentum yet resilient BBU demand remains intact. Dynapack's Sep-26 sales declined 34% y/y and 54% m/m to NT$776mn, reflecting 1) weaker PC shipments amid quarter-end inventory adjustments and 2) deferred shipments of one BBU product, broadly consistent with the near-term weakness flagged in our Aug-26 sales note. We expect a meaningful sales rebound from Oct helped by shipments of new higher-power BBU products. Meanwhile, AES maintained solid momentum with Sep-26 sales rising 25% y/y (+1% m/m), suggesting resilient underlying BBU demand. Similarly, STL (4931.TWO; not covered) delivered robust 176% y/y growth, further reinforcing our positive view on the sector. We retain our constructive stance on BBU names, supported by sustained demand and upcoming product ramps

Passive components - Yageo reported trended up monthly sales in Sep-26, as demand in Europe and US recovered after the summer holiday, on top of sustained AI demand. 3Q26 revenues were slightly above cons forecasts. Current quarter top line still beats mgmt.'s "moderate growth" guidance. We believe that growth was again broad-based across commodity and specialty products, and driven by both volume and price. We expect a more visible ASP uplift in 4Q26E as specialty and contract-based business could slow vs the spot and distributor channels.

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Figure 1. Overall Taiwan Technology Supply Chains - Revenues Trend

Ticker Company Sep revenues (TWDm) YoY MoM Actual 3Q26 QoQ Citi 3Q26E QoQ Cons. 3Q26E QoQ Citi 3Q26E Tracking Cons. 3Q26E Tracking 9M26 (TWDm) YoY Aug-26 YoY Jul-26 YoY Jun-26 YoY May-26 YoY Apr-26 YoY Closing Prices (NT$)
Wafer/materials Wafer/materials
6488.TWO GWC 5,129 -13% 8% -2% 6% 7% 92% 92% 44,070 -4% 8% 20% -2% -3% -10% 1,115
3532.TW Formosa Sumco 1,349 29% 1% 10% na 10% na 100% 10,903 20% 29% 29% 24% 24% 14% 486
5434.TW Topco Scientific 7,701 26% -1% 14% na 17% na 97% 63,029 25% 36% 43% 33% 19% 12% 593
6182.TWO Wafer Works 1,011 14% 1% 11% na na na na 8,212 12% 20% 19% 14% 12% 3% 124
Sub-Total 15,190 9% 2% 8% 126,214 12% 24% 32% 16% 10% 3%
Semi materials/equipment Semi materials/equipment
1560.TW Kinik 909 30% 1% 8% na 9% na 99% 7,480 25% 30% 27% 16% 18% 19% 1,000
8028.TW Phoenix Silicon 512 33% 1% 7% na 11% na 97% 4,262 30% 26% 37% 34% 46% 31% 282
3131.TW Grand Process 747 62% 10% 29% na 30% na 99% 5,544 27% 43% 42% 15% 7% -4% 2,525
3583.TW Scientech 1,041 3% -3% 3% na 6% na 97% 9,198 7% 18% 7% -3% 1% 11% 755
3680.TWO Gudeng 994 68% 18% 17% na 5% na 112% 6,885 36% 50% 72% 38% 16% 53% 569
6187.TWO All Ring 1,160 109% 5% 41% na 26% na 112% 7,090 58% 103% 73% 87% 44% 26% 1,675
6196.TW Marketech 7,174 88% -1% 3% na 4% na 99% 57,421 56% 84% 101% 121% 65% 46% 657
6438.TW Syrntek 695 31% 14% 7% na na na na 5,513 14% 16% 5% -3% 10% 33% 174
8091.TWO Feedback Tech 254 27% -17% 0% na -3% na 104% 2,433 54% 72% 85% 72% 82% 35% 220
Sub-Total 13,486 64% 2% 8% 105,825 47% 61% 66% 65% 42% 35%
Probe card/testing equipment Probe card/testing equipment
6223.TWO MPI 2,048 82% 0% 13% 6% 10% 106% 102% 15,068 58% 70% 66% 65% 58% 53% 6,130
6515.TW Winway 1,250 88% -27% 29% 25% 21% 103% 107% 11,060 97% 233% 156% 288% 120% 51% 6,025
6510.TWO CHPT 652 56% 2% 16% 19% 20% 97% 97% 4,902 36% 54% 50% 40% 34% 30% 3,420
7769.TW Hon Precision 5,729 100% 10% 17% 1% 8% 117% 109% 40,713 94% 92% 101% 107% 84% 112% 6,490
2360.TW Chroma 6,860 206% 22% 32% 6% 8% 125% 123% 43,315 120% 156% 175% 73% 133% 129% 2,365
Sub-Total Sub-Total 16,539 126% 8% 23% 115,058 93% 116% 119% 94% 94% 97%
Design service/Semi IP Design service/Semi IP
3443.TW GUC 7,145 98% 22% 35% 17% 15% 115% 117% 44,099 103% 111% 158% 104% 132% 157% 8,100
3661.TW Alchip 9,979 496% 14% 243% 156% 239% 134% 101% 37,878 45% 274% 182% 15% -33% -32% 4,395

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3529.TWO eMemory 177 13% -50% 10% na 7% na 103% 3,401 21% 43% 24% 47% 12% 13% 2,850
3035.TW Faraday 1,418 4% 20% 11% na -2% na 113% 9,566 -37% 30% 10% 27% -45% -43% 198
6533.TW Andes 193 -10% 69% -25% na -16% na 90% 1,320 30% -26% 22% 247% 2% 23% 345
6643.TWO M31 153 23% -13% 17% na 28% na 92% 1,312 6% 73% 29% -24% -18% 31% 477
Sub-Total 19,066 167% 16% 88% 97,575 43% 152% 130% 51% 13% 14%
IC design
2454.TW Mediatek 55,399 2% -14% 10% 5% 3% 105% 108% 469,391 5% 44% 12% 3% 5% -4% 4,625
2379.TW Realtek 12,378 23% -1% 0% -3% 3% 104% 98% 111,708 16% 28% 33% 21% 22% 11% 746
2401.TW Sunplus 638 21% -7% -3% na na na na 5,954 24% 41% 38% 35% 29% 14% 26
2388.TW VIA 940 -7% 2% -14% na na na na 8,607 32% 77% 43% 34% 88% 85% 69
3034.TW Novatek 10,347 25% 0% 8% 8% 7% 100% 101% 82,777 6% 26% 27% 19% 9% 1% 529
6462.TWO EGIS 496 0% -7% 11% na na na na 5,740 53% 11% 64% -24% 136% 12% 100
5269.TW ASMedia 995 -30% 13% -2% 8% 0% 91% 98% 8,881 -10% -33% -38% -22% -19% -18% 1,540
5274.TWO Aspeed 1,636 101% 1% 24% 21% 19% 102% 104% 11,804 78% 118% 98% 67% 69% 82% 17,695
4966.TWO Parade 1,503 -8% 13% -2% na 9% na 90% 12,423 -2% 0% -4% 12% 1% -4% 553
2458.TW Elan 602 -47% -19% -31% na -5% na 73% 8,650 -9% -37% -13% 7% 4% 6% 133
6104.TWO Genesys 311 -1% -3% -11% na na na na 3,084 1% 3% 4% 6% 2% -7% 87
Sub-Total 85,246 7% -9% 8% 729,019 8% 37% 17% 8% 10% 0%
Foundry
2330.TW TSMC 511,857 55% -1% 18% 15% 15% 102% 103% 3,898,727 41% 53% 45% 68% 30% 17% 2,540
2303.TW UMC 25,350 27% 1% 8% 12% 9% 97% 99% 204,010 16% 31% 19% 23% 18% 11% 146
5347.TW VIS 5,904 16% 16% 10% 11% 8% 99% 102% 42,479 18% 40% 30% 34% 19% 10% 181
6770.TW PSMC 7,665 94% 9% 23% na 11% na 112% 52,205 52% 76% 71% 69% 59% 32% 71
Sub-Total 550,777 53% 0% 17% 4,197,421 40% 52% 43% 64% 30% 17%
OSAT
3711.TW ASEH 88,130 46% 7% 28% 22% 22% 105% 105% 608,887 30% 46% 43% 33% 29% 19% 762
2449.TW KYEC 4,071 24% 0% 9% 9% 9% 100% 100% 33,476 34% 32% 37% 29% 37% 35% 300
6147.TWO Chipbond 2,439 28% -7% 14% 3% 6% 111% 108% 19,969 24% 11% 11% 11% 11% 11% 229
8150.TW Chipmos 2,792 34% 0% 14% na 9% na 104% 22,719 30% -9% -9% -9% -9% -9% 123
6239.TW Powertech 8,507 27% -1% 10% 8% 6% 101% 103% 69,764 30% -5% -5% -5% -5% -5% 305
2441.TW Greatek 1,957 40% -4% 14% na na na na 16,004 28% 9% 9% 9% 9% 9% 130

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3374.TWO - Sub-Total Xintec 932 - 108,828 21% 42% 3% - 5% 24% na 23% na 101% 6,800 - 777,620 31% 30% 1% 42% 1% 41% 1% - 32% 1% - 28% 1% 21% 482
PCB
3037.TW Unimicron 18,651 65% 5% 23% 18% 16% 104% 106% 132,986 38% 56% 44% 36% 32% 28% 1,255
3044.TW Tripod 10,648 54% 4% 23% 13% 15% 109% 108% 76,516 41% 65% 57% 42% 47% 29% 579
8046.TW Nanya PCB 5,586 58% 4% 21% 19% 20% 102% 100% 41,131 42% 41% 50% 50% 36% 39% 1,440
3189.TW Kinsus 5,181 44% 8% 16% 20% 15% 97% 101% 38,141 34% 41% 36% 32% 33% 27% 1,060
6213.TW ITEQ 5,824 111% 15% 35% na 28% na 106% 36,290 50% 98% 97% 48% 29% 14% 812
6274.TWO TUC 6,126 115% 4% 26% 17% 20% 108% 105% 42,304 99% 132% 122% 106% 124% 96% 1,735
2383.TW Elite Materials 21,532 169% 7% 29% 17% 18% 110% 109% 141,227 104% 130% 129% 121% 115% 94% 6,150
6153.TW Career 539 1% -5% 8% na na na na 4,404 5% 16% 21% 25% 10% -14% 18
8039.TW Taiflex 840 -19% 4% -8% na na na na 7,605 -3% -14% -6% -7% 1% -1% 296
2313.TW Compeq 8,617 15% 23% 13% na 21% na 94% 62,125 13% 7% 16% 21% 13% -3% 252
2367.TW Unitech Print 1,480 4% 1% 11% na na na na 12,579 0% 26% 25% -4% 16% -22% 48
2368.TW Gold Circuit 9,320 55% -10% 22% 16% 26% 105% 97% 73,379 69% 76% 77% 78% 87% 58% 1,235
8358.TWO Co-Tech 1,104 65% 5% 13% na 12% na 100% 8,506 49% 60% 55% 43% 41% 36% 522
8155.TWO Allied Circuit 563 31% 0% 5% na 6% na 99% 4,811 35% 35% 52% 32% 30% 29% 320
6672.TW Ventec 1,021 202% 27% 54% na 25% na 123% 5,352 69% 133% 91% 68% 35% 37% 598
Sub-Total 97,032 70% 6% 23% 687,356 50% 67% 64% 55% 52% 36%
Distributor
3036.TW WT Micro 215,933 60% 9% 1% 2% 1% 99% 100% 1,682,249 101% 98% 95% 188% 153% 79% 217
3702.TW WPG Holdings 219,595 146% 54% 11% na -8% na 120% 1,282,707 72% 80% 91% 132% 83% 39% 116
2347.TW Synnex 90,309 159% 22% 18% na 9% na 108% 564,075 98% 122% 129% 136% 130% 84% 99
3010.TW Wah Lee 9,012 41% 13% 7% na na na na 71,221 22% 24% 31% 14% 28% 13% 133
Sub-Total Sub-Total 534,849 102% 26% 19% 3,600,253 87% 93% 97% 147% 117% 77%
Compound Semi
3105.TWO Win Semi 2,030 30% 5% 11% na 12% na 99% 15,706 33% 31% 31% 30% 40% 49% 580
2455.TW VPEC 449 29% -5% 39% na 24% na 112% 3,267 35% 71% 45% 24% 47% 38% 564
8086.TW AWSC 422 8% 0% -3% na -3% na 100% 3,783 32% 13% 18% 16% 37% 49% 149
3081.TWO LandMark 540 190% 4% 28% na 28% na 100% 3,688 136% 181% 177% 128% 119% 115% 3,025
4968.TW Richwave 330 0% 2% -2% na 10% na 89% 2,880 3% -2% -2% -1% 7% 0% 95

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Sub-Total 3,771 34% 3% 13% 29,324 36% 39% 37% 30% 42% 46%
iPhone
3008.TW Largan 5,779 -7% 15% 15% 15% 33% 100% 86% 44,860 2% -16% -10% -10% 42% 23% 7,325
3406.TW Genius 2,672 1% -2% 37% 9% 35% 127% 102% 19,636 10% 1% 2% 5% 30% 25% 1,070
6269.TW Flexium 2,099 -3% 5% 14% 18% 29% 97% 89% 16,989 1% 1% 4% -1% -6% 0% 64
4958.TW ZDT 26,358 36% 28% 33% 33% 31% 100% 102% 153,783 22% 41% 32% 33% 37% 12% 581
2317.TW Hon Hai 1,158,633 38% 26% 20% 15% 13% 105% 107% 7,669,773 40% 52% 54% 52% 40% 30% 245
Sub-Total 1,410,294 44% 36% 23% 8,812,666 36% 49% 48% 47% 36% 23%
Server
5274.TWO Aspeed 1,636 101% 1% 24% 21% 19% 102% 104% 11,804 78% 118% 98% 67% 69% 82% 17,695
6669.TW Wiwynn 172,620 100% 20% 56% 31% 30% 120% 121% 989,278 50% 50% 39% 30% 18% 30% 2,275
2059.TW King Slide 4,464 196% -31% 60% na 62% na 99% 33,618 168% 344% 356% 221% 172% 79% 10,580
2368.TW Gold Circuit 9,320 55% -10% 22% 16% 26% 105% 97% 73,379 69% 76% 77% 78% 87% 58% 1,235
8210.TW Chenbro Micom 2,476 14% 1% -5% na 11% na 85% 22,323 46% 41% 42% 98% 37% 5% 861
Sub-Total 190,517 97% 15% 52% 1,130,402 54% 56% 47% 36% 26% 32%
ODM/OEM
2324.TW Compal 94,434 35% 40% 2% 10% 6% 92% 97% 682,376 20% 15% 38% 58% 22% 16% 37
3231.TW Wistron 380,806 87% -17% 28% 10% 19% 117% 108% 2,890,836 97% 166% 61% 54% 39% 112% 190
6669.TW Wiwynn 172,620 100% 20% 56% 31% 30% 120% 121% 989,278 50% 50% 39% 30% 18% 30% 2,275
2317.TW Hon Hai 1,158,633 38% 26% 20% 15% 13% 105% 107% 7,669,773 40% 52% 54% 52% 40% 30% 245
2382.TW Quanta 325,300 77% -23% 8% 7% 7% 101% 101% 2,961,358 99% 177% 131% 103% 94% 121% 322
2356.TW Inventec 98,636 63% 18% 1% 0% -5% 101% 106% 742,261 43% 36% 66% 62% 35% 37% 58
Sub-Total 2,445,182 57% 12% 20% 16,843,508 53% 80% 61% 57% 42% 46%
PC
2357.TW Asus 97,243 18% 2% 7% 13% 10% 95% 98% 742,432 39% 51% 53% 56% 9% 46% 977
2353.TW Acer 34,737 18% 15% 8% na 0% na 108% 249,548 24% 38% 22% -3% 37% 68% 31
2379.TW Realtek 12,378 23% -1% 0% -3% 3% 104% 98% 111,708 16% 28% 33% 21% 22% 11% 746
6104.TWO Genesys 311 -1% -3% -11% na na na na 3,084 1% 3% 4% 6% 2% -7% 87
2458.TW Elan 602 -47% -19% -31% na -5% na 73% 8,650 -9% -37% -13% 7% 4% 6% 133
5269.TW Asmedia 995 -30% 13% -2% 8% 0% 91% 98% 8,881 -10% -33% -38% -22% -19% -18% 1,540
4966.TWO Parade 1,503 -8% 13% -2% na 9% na 90% 12,423 -2% 0% -4% 12% 1% -4% 553

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2324.TW - 3533.TW Lotes Sub-Total Compal - 3533.TW Lotes Sub-Total 94,434 - 3,357 245,560 35% - 16% 23% 40% - 5% 16% 2% - 4% 5% 10% - 8% 6% - 7% 92% - 96% 97% 682,376 - 28,835 1,847,937 20% - 18% 27% 15% - 20% 32% 38% - 19% 39% 58% - 17% 43% 22% - 9% 18% 16% - 15% 50% 37 - 1,880
Motherboards Motherboards
2376.TW Giga-Byte 63,099 125% 33% 7% 8% -2% 99% 110% 403,982 63% 98% 60% 69% 5% 74% 356
2377.TW Micro-Star 19,910 2% 13% 14% 15% 11% 99% 103% 163,116 -5% 5% 5% 5% 5% 5% 155
3515.TW ASRock 6,518 27% 71% 68% na 50% na 112% 40,414 18% 3% 131% 48% -16% -47% 226
2425.TW Chaintech 1,971 289% -1% 0% na na na na 14,845 134% 118% 144% 376% 95% 88% 36
6150.TWO Tul 648 -12% 13% 66% na na na na 4,294 -25% -21% 17% -30% -54% -69% 69
Sub-Total Sub-Total 92,146 71% 29% 12% 626,651 34% 49% 42% 38% -4% 27%
Networking Networking
6285.TW Wistron Neweb 16,079 64% 2% 23% na 14% na 108% 117,291 41% 81% 90% 84% 35% 16% 264
5388.TW Sercomm 6,807 47% -3% 6% na 4% na 102% 59,094 54% 45% 51% 71% 70% 66% 74
3596.TW Acrcadyan Tech 5,064 9% 7% 5% na 6% na 100% 41,309 3% 2% 8% 4% 4% 1% 157
4906.TW Gemtek Tech 1,643 24% -1% 34% na na na na 11,560 -10% 56% 32% -5% -12% -23% 42
2345.TW Accton 40,399 66% -1% 26% 14% 20% 111% 106% 286,402 62% 59% 72% 61% 57% 54% 2,130
Sub-Total Sub-Total 69,993 56% 0% 22% 515,655 47% 56% 65% 59% 44% 36%
Panel Panel
2409.TW AUO 23,404 -4% 1% -6% 13% -2% 84% 96% 206,798 -2% -6% -3% 14% -1% -4% 36
3481.TW Innolux 19,995 1% 7% -9% na -3% na 93% 187,926 11% 0% -2% 17% 10% 12% 51
Sub-Total Sub-Total 43,398 -2% 4% 10% 394,724 4% -3% -2% 15% 4% -48%
Memory Memory
2408.TW Nanya Tech 45,091 577% 1% 62% na 42% na 114% 265,285 627% 561% 720% 621% 730% 717% 527
3006.TW Elite Semi 7,461 470% -6% 59% na na na na 43,363 344% 605% 491% 328% 297% 349% 261
2337.TW Macronix 8,367 188% 3% 27% na 30% na 97% 53,831 155% 219% 180% 216% 176% 154% 116
8299.TWO Phison 30,639 370% 8% 27% na 21% na 105% 194,932 291% 377% 378% 301% 301% 237% 2,055
6485.TWO Asolid 127 8% 2% 24% na na na na 1,000 -5% 21% 11% -7% -6% -19% 78
2451.TW Transcend 6,035 290% 25% -15% na 14% na 75% 48,511 370% 275% 308% 382% 470% 594% 287
3260.TWO A-Data 15,730 200% -17% 39% na 23% na 113% 117,306 216% 280% 331% 212% 210% 170%
8271.TW Apacer 368
4967.TW Team Group 3,001 4,081 158% 110% 8% 16% -11% 34% na na na 119% na na na 61% 25,300 26,772 217% 90% 177% 275% 165% 99% 201% 35% 224% 113% 361% 79% 197 270

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Sub-Total Sub-Total 148,782 321% 2% 37% 956,727 282% 362% 375% 278% 293% 277%
MCU/PMIC/MOSFET MCU/PMIC/MOSFET
6415.TW Silergy 2,511 51% 4% 21% na 10% na 110% 18,141 35% 53% 59% 38% 32% 28% 440
3707.TWO Episil Tech 663 24% 1% 10% na na na na 5,300 26% 30% 31% 30% 28% 31% 82
2481.TW Pan Jit 1,525 38% 11% 10% na 6% na 103% 11,726 20% 30% 31% 27% 14% 9% 171
3016.TW Episil-Precision 513 53% 1% 15% na 15% na 100% 3,869 37% 58% 51% 41% 37% 33% 179
5425.TW Taiwan Semi 1,800 15% 5% 3% na na na na 14,716 8% 22% 24% 9% 12% 3% 101
8261.TW Advanced Power 266 -2% -7% -4% na 4% na 93% 2,502 6% -3% 10% 16% 1% 5% 177
2342.TW Mosel Vitelic 175 1% -3% 3% na na na na 1,547 -3% 4% 11% 5% -3% -3% 47
5299.TWO Excelliance Mos 108 -2% -9% -13% na na na na 1,139 -3% -3% -6% -4% 2% 0% 97
6138.TWO Anpec Elec 609 -9% -8% -4% na 9% na 87% 6,017 8% 2% 9% 11% 15% 14% 265
8081.TW Global Mixed-Mod 828 14% 3% 10% na 9% na 101% 6,820 3% 11% 10% 7% -3% -4% 263
Sub-Total Sub-Total 8,999 26% 3% 11% 71,778 18% 28% 30% 21% 16% 15%
Power Supply Power Supply
2308.TW Delta 65,400 15% 1% 8% 18% 14% 91% 95% 539,668 37% 35% 48% 55% 44% 44% 1,900
2301.TW Lite-on 18,848 22% -4% 9% na 14% na 96% 153,559 26% 25% 38% 37% 30% 25% 288
6412.TW Chicony Power 2,413 -21% -2% -12% na 6% na 83% 23,641 -11% -20% -13% -1% -10% -12% 73
Sub-Total Sub-Total 86,661 15% 0% 7% 716,867 32% 30% 43% 48% 38% 36%
Heat Dissipation Heat Dissipation
3653.TW Jentech 3,054 80% -5% -28% na 34% na 97% 22,073 47% 91% 91% 58% 38% 27% 7,160
3017.TW AVC 21,018 45% 8% -3% 18% 17% 102% 103% 157,248 71% 54% 57% 66% 61% 72% 3,385
3324.TWO Auras 2,884 23% -8% -13% 17% 18% 96% 96% 27,040 72% 67% 117% 62% 94% 41% 1,540
Sub-Total 26,956 45% 4% 20% 206,361 68% 60% 68% 65% 62% 61%
Passive Components Passive Components
2327.TW Yageo 17,068 46% 5% 11% 10% 9% 101% 102% 132,154 36% 52% 52% 39% 47% 22% 636
2492.TW Walsin Tech 4,889 54% 7% 22% na na na na 34,830 26% 46% 42% 26% 16% 16% 418
Sub-Total Sub-Total 21,957 48% 5% 14% 166,984 34% 50% 49% 36% 40% 21%
BBU BBU
6781.TW AES-KY 1,760 25% 1% 9% 0% 8% 109% 100% 14,572 26% 27% 28% 26% 21% 17% 1,015
3211.TWO Dynapack 776 -34% -54% 5% 33% 21% 79% 87% 10,517 14% 17% 21% 21% -11% 19% 382.5
Sub-Total Sub-Total 2,537 -2% -26% 7% 25,090 21% 22% 25% 23% 5% 17%

9

[讀者資訊已遮蔽] Source: Citi Research, TEJ, Bloomberg

Companies Mentioned:

Accton (2345.TW; NT$2130.0; 1; 12 Oct 26; 13:30) | Acer Incorporated (2353.TW; NT$31.35; Not Rated; 12 Oct 26; 13:30) | ADATA Technology Co Ltd (3260.TWO; NT$367.5; Not Rated; 12 Oct 26; 15:00) | Advanced Energy Solution (6781.TW; NT$1015.0; 1; 12 Oct 26; 13:30) | Advanced Power Electronics Corp (8261.TW; NT$176.5; Not Rated; 12 Oct 26; 13:30) | Advanced Wireless Semiconductor Co (8086.TWO; NT$148.5; Not Rated; 12 Oct 26; 15:00) | Alchip (3661.TW; NT$4395.0; 1; 12 Oct 26; 13:30) | All Ring Tech Co., Ltd. (6187.TWO; NT$1675.0; Not Rated; 12 Oct 26; 15:00) | Allied Circuit Co Ltd (8155.TWO; NT$319.5; Not Rated; 12 Oct 26; 15:00) | Amazon.com, Inc. (AMZN.O; US$262.43; 1; 09 Oct 26; 16:00) | Andes Technology Corporation (6533.TW; NT$345.0; Not Rated; 12 Oct 26; 13:30) | ANPEC ELECTRONICS CORPORATION (6138.TWO; NT$265.0; Not Rated; 12 Oct 26; 15:00) | Apacer Technology Inc (8271.TW; NT$197.0; Not Rated; 12 Oct 26; 13:30) | Arcadyan Technology Corp (3596.TW; NT$157.0; Not Rated; 12 Oct 26; 13:30) | ASE Technology Holding (3711.TW; NT$762.0; 1; 12 Oct 26; 13:30) | Asia Vital Components (3017.TW; NT$3385.0; 1; 12 Oct 26; 13:30) | ASMedia (5269.TW; NT$1540.0; 2; 12 Oct 26; 13:30) | ASolid Technology Co Ltd (6485.TWO; NT$78.4; Not Rated; 12 Oct 26; 15:00) | Aspeed Technology (5274.TWO; NT$17695.0; 1; 12 Oct 26; 15:00) | ASRock Incorporation (3515.TW; NT$225.5; Not Rated; 12 Oct 26; 13:30) | ASUSTeK Computer (2357.TW; NT$977.0; 1; 12 Oct 26; 13:30) | AUO (2409.TW; NT$35.55; 2; 12 Oct 26; 13:30) | Auras Technology (3324.TWO; NT$1540.0; 1; 12 Oct 26; 15:00) | Career Technology MFG Co Ltd (6153.TW; NT$17.6; Not Rated; 12 Oct 26; 13:30) | Chaintech Technology Corp (2425.TW; NT$35.7; Not Rated; 12 Oct 26; 13:30) | CHENBRO MICOM CO., LTD. (8210.TW; NT$861.0; Not Rated; 12 Oct 26; 13:30) | Chicony Power Technology (6412.TW; NT$73.3; Not Rated; 12 Oct 26; 13:30) | Chipbond Technology (6147.TWO; NT$229.0; 1; 12 Oct 26; 15:00) | ChipMOS Technologies Inc (8150.TW; NT$123.0; Not Rated; 12 Oct 26; 13:30) | CHPT (6510.TWO; NT$3420.0; 1H; 12 Oct 26; 15:00) | Chroma ATE (2360.TW; NT$2365.0; 1; 12 Oct 26; 13:30) | Co-Tech Development Corp (8358.TWO; NT$522.0; Not Rated; 12 Oct 26; 15:00) | Compal Electronics (2324.TW; NT$36.6; 3; 12 Oct 26; 13:30) | Compeq Manufacturing Co Ltd (2313.TW; NT$252.0; Not Rated; 12 Oct 26; 13:30) | Delta Electronics (2308.TW; NT$1900.0; 1; 12 Oct 26; 13:30) | Dynapack International (3211.TWO; NT$382.5; 1; 12 Oct 26; 15:00) | EGIS TECHNOLOGY INC. (6462.TWO; NT$100.0; Not Rated; 12 Oct 26; 15:00) | ELAN MICROELECTRONICS CORPORATION (2458.TW; NT$133.0; Not Rated; 12 Oct 26; 13:30) | Elite Material (2383.TW; NT$6150.0; 1; 12 Oct 26; 13:30) | ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC. (3006.TW; NT$260.5; Not Rated; 12 Oct 26; 13:30) | eMemory Technology Inc (3529.TWO; NT$2850.0; Not Rated; 12 Oct 26; 15:00) | EPISIL TECHNOLOGIES INC. (3707.TWO; NT$82.2; Not Rated; 12 Oct 26; 15:00) | Episil-Precision Inc (3016.TW; NT$179.0; Not Rated; 12 Oct 26; 13:30) | Excelliance MOS Corp (5299.TWO; NT$96.6; Not Rated; 12 Oct 26; 15:00) | Faraday (3035.TW; NT$197.5; Not Rated; 12 Oct 26; 13:30) | Feedback Technology Corp (8091.TWO; NT$219.5; Not Rated; 12 Oct 26; 15:00) | Flexium Interconnect (6269.TW; NT$63.5; 2; 12 Oct 26; 13:30) | Formosa Sumco Technology Corp (3532.TW; NT$485.5; Not Rated; 12 Oct 26; 13:30) | Gemtek Technology (4906.TW; NT$42.2; Not Rated; 12 Oct 26; 13:30) | Genesys Logic Inc (6104.TWO; NT$87.2; Not Rated; 12 Oct 26; 15:00) | Genius Electronic Optical (3406.TW; NT$1070.0; 1; 12 Oct 26; 13:30) | Gigabyte Technology (2376.TW; NT$356.0; 1; 12 Oct 26; 13:30) | Global Mixed Mode Technology Inc (8081.TW; NT$262.5; Not Rated; 12 Oct 26; 13:30) | Globalwafers Co (6488.TWO; NT$1115.0; 1; 12 Oct 26; 15:00) | Gold Circuit Electronics (2368.TW; NT$1235.0; 1; 12 Oct 26; 13:30) | Grand Process Technology Corp (3131.TWO; NT$2525.0; Not Rated; 12 Oct 26; 15:00) | Greatek Electronics Inc (2441.TW; NT$130.0; Not Rated; 12 Oct 26; 13:30) | GUC (3443.TW; NT$8100.0; 1H; 12 Oct 26; 13:30) | GUDENG PRECISION INDUSTRIAL CO., LTD. (3680.TWO; NT$569.0; Not Rated; 12 Oct 26; 15:00) | Hon Hai Precision (2317.TW; NT$244.5; 1; 12 Oct 26; 13:30) | Innolux Corp (3481.TW; NT$51.3; Not Rated; 12 Oct 26; 13:30) | Inventec (2356.TW; NT$58.1; 1; 12 Oct 26; 13:30) | ITEQ Corp (6213.TW; NT$812.0; Not Rated; 12 Oct 26; 13:30) | Jentech Precision Industrial Co Ltd (3653.TW; NT$7160.0; Not Rated; 12 Oct 26; 13:30) | KING SLIDE WORKS CO., LTD. (2059.TW; NT$10580.0; Not Rated; 12 Oct 26; 13:30) | King Yuan Electronics Co (2449.TW; NT$300.0; 1; 12 Oct 26; 13:30) | KINIK COMPANY (1560.TW; NT$1000.0; Not Rated; 12 Oct 26; 13:30) | Kinsus Interconnect Technology (3189.TW; NT$1060.0; 1; 12 Oct 26; 13:30) | LandMark Optoelectronics Corp (3081.TWO; NT$3025.0; Not Rated; 12 Oct 26; 15:00) | Largan Precision (3008.TW; NT$7325.0;

10

[讀者資訊已遮蔽]

1; 12 Oct 26; 13:30) | LITE-ON TECHNOLOGY CORPORATION (2301.TW; NT$288.0; Not Rated; 12 Oct 26; 13:30) | Lotes (3533.TW; NT$1880.0; 1; 12 Oct 26; 13:30) | M31 Technology Corporation (6643.TWO; NT$476.5; Not Rated; 12 Oct 26; 15:00) | Macronix International Co., Ltd. (2337.TW; NT$115.5; Not Rated; 12 Oct 26; 13:30) | Marketech International Corp. (6196.TW; NT$657.0; Not Rated; 12 Oct 26; 13:30) | Mediatek (2454.TW; NT$4625.0; 1; 12 Oct 26; 13:30) | Micro-Star (2377.TW; NT$155.0; 2; 12 Oct 26; 13:30) | Mosel Vitelic Inc (2342.TW; NT$46.95; Not Rated; 12 Oct 26; 13:30) | MPI (6223.TWO; NT$6130.0; 1H; 12 Oct 26; 15:00) | Nanya Technology (2408.TW; NT$527.0; 3; 12 Oct 26; 13:30) | Novatek (3034.TW; NT$529.0; 2; 12 Oct 26; 13:30) | NYPCB (8046.TW; NT$1440.0; 1; 12 Oct 26; 13:30) | Panjit International Inc (2481.TW; NT$171.0; Not Rated; 12 Oct 26; 13:30) | Parade (4966.TWO; NT$553.0; Not Rated; 12 Oct 26; 15:00) | Phison Electronics (8299.TWO; NT$2055.0; Not Rated; 12 Oct 26; 15:00) | Phoenix Silicon International Corporation (8028.TW; NT$281.5; Not Rated; 12 Oct 26; 13:30) | Powertech Technology (6239.TW; NT$304.5; 1; 12 Oct 26; 13:30) | PSMC (6770.TW; NT$71.4; Not Rated; 12 Oct 26; 13:30) | Quanta Computer (2382.TW; NT$322.0; 1; 12 Oct 26; 13:30) | Realtek (2379.TW; NT$746.0; 1; 12 Oct 26; 13:30) | RichWave Technology Corporation (4968.TW; NT$95.2; Not Rated; 12 Oct 26; 13:30) | Scientech Corp (3583.TW; NT$755.0; Not Rated; 12 Oct 26; 13:30) | Sercomm (5388.TW; NT$74.1; Not Rated; 12 Oct 26; 13:30) | Silergy Corp. (6415.TW; NT$440.0; Not Rated; 12 Oct 26; 13:30) | STL Technology Co Ltd (4931.TWO; NT$241.5; Not Rated; 12 Oct 26; 15:00) | Sunplus Technology Co Ltd (2401.TW; NT$25.6; Not Rated; 12 Oct 26; 13:30) | Symtek Automation Asia Co Ltd (6438.TW; NT$174.0; Not Rated; 12 Oct 26; 13:30) | Synnex Technology (2347.TW; NT$98.9; Not Rated; 12 Oct 26; 13:30) | Taiflex Scientific Co Ltd (8039.TW; NT$296.0; Not Rated; 12 Oct 26; 13:30) | Taiwan Semiconductor Co Ltd (5425.TWO; NT$100.5; Not Rated; 12 Oct 26; 15:00) | Team Group Inc (4967.TW; NT$269.5; Not Rated; 12 Oct 26; 13:30) | Topco Scientific Co Ltd (5434.TW; NT$593.0; Not Rated; 12 Oct 26; 13:30) | Transcend Information (2451.TW; NT$286.5; Not Rated; 12 Oct 26; 13:30) | Tripod Technology (3044.TW; NT$579.0; 1; 12 Oct 26; 13:30) | TSMC (2330.TW; NT$2540.0; 1; 12 Oct 26; 13:30) | TUC (6274.TWO; NT$1735.0; 1; 12 Oct 26; 15:00) | Tul Corp (6150.TWO; NT$69.0; Not Rated; 12 Oct 26; 15:00) | Unimicron (3037.TW; NT$1255.0; 1; 12 Oct 26; 13:30) | UNITECH PRINTED CIRCUIT BOARD CORP. (2367.TW; NT$47.5; Not Rated; 12 Oct 26; 13:30) | Vanguard International Semi. (5347.TWO; NT$181.0; 1; 12 Oct 26; 15:00) | Ventec International Group Co Ltd (6672.TW; NT$598.0; Not Rated; 12 Oct 26; 13:30) | VIA Technologies, Inc. (2388.TW; NT$69.1; Not Rated; 12 Oct 26; 13:30) | Visual Photonics Epitaxy Co., Ltd. (2455.TW; NT$564.0; Not Rated; 12 Oct 26; 13:30) | Wafer Works Corp (6182.TWO; NT$124.0; Not Rated; 12 Oct 26; 15:00) | WAH LEE INDUSTRIAL CORP. (3010.TW; NT$132.5; Not Rated; 12 Oct 26; 13:30) | Walsin Technology Corporation (2492.TW; NT$418.0; Not Rated; 12 Oct 26; 13:30) | WIN Semiconductors Corp (3105.TWO; NT$580.0; Not Rated; 12 Oct 26; 15:00) | WinWay Technology (6515.TW; NT$6025.0; 1H; 12 Oct 26; 13:30) | Wistron (3231.TW; NT$189.5; 1; 12 Oct 26; 13:30) | Wiwynn (6669.TW; NT$2275.0; 1; 12 Oct 26; 13:30) | WNC Corporation (6285.TW; NT$263.5; Not Rated; 12 Oct 26; 13:30) | WPG HOLDINGS LIMITED (3702.TW; NT$116.0; Not Rated; 12 Oct 26; 13:30) | WT Micro (3036.TW; NT$216.5; 1; 12 Oct 26; 13:30) | Xintec Inc (3374.TWO; NT$481.5; Not Rated; 12 Oct 26; 15:00) | Yageo (2327.TW; NT$636.0; 1; 12 Oct 26; 13:30) | Zhen Ding Technology (4958.TW; NT$581.0; 1; 12 Oct 26; 13:30)

[讀者資訊已遮蔽] [讀者資訊已遮蔽] If you are visually impaired and would like to speak to a Citi representative regarding the details of the graphics in this document, please call USA 1-888-500-5008 (TTY: 711), from outside the US +1-210-677-3788

Appendix A-1