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Global Family, Global Solutions! 2026/11/03 GlobalWafers (6488TT) Q3 2026 Earnings Call
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Disclaimer This presentation has been prepared by GlobalWafers Co., Ltd. (the “Company”). This presentation and the materials provided herewith do not constitute an offer to sell or issue or the solicitation of an offer to buy or acquire securities of the Company in any jurisdiction or an inducement to enter into investment activity, nor may it or any part of it form the basis of or be relied on in connection with any contract or commitment whatsoever. Any decision to purchase securities in a proposed offering should be made solely on the basis of the information contained in the offering circular published in relation to such proposed offering, if any. The information contained in this presentation has not been independently verified. No representation, warranty or undertaking, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or the opinions contained herein. The information contained in this document should be considered in the context of the circumstances prevailing at the time and has not been, and will not be, updated to reflect material developments which may occur after the date of the presentation. None of the Company nor any of its affiliates, advisors or representatives will be liable (in negligence or otherwise) for any loss howsoever arising from any use of this presentation or its contents or otherwise arising in connection with the presentation.
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© GlobalWafers Co., Ltd. All rights reserved. 01 Executive Comment 3
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© GlobalWafers Co., Ltd. All rights reserved. 4,112 2,914 4,123 3,140 2,662 2,970 3,726 2025 2026 Q1 Q2 Q3 Q4 2025 3Q, 23.6% 2026 3Q, 20.5% Executive Comments ➢ Financial Highlights 4 Revenue 15,595 13,985 16,008 15,214 14,493 14,871 14,502 2025 2026 Q1 Q2 Q3 Q4 60,598 (NT$ Mn) Gross Profit Margin (%) 14,624 (NT$ Mn) Gross Profit Margin (%) • Q326 → NT$14.9 billion, -2.3% QoQ • 3Q26 → NT$44.1 billion, -4.4% YoY • Q326 → 20.0% • 3Q26 → 20.5% 44,070 9,024
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© GlobalWafers Co., Ltd. All rights reserved. • Q326 → 9.8% • 3Q26 → 9.9% 2,589 1,475 2,438 1,423 1,230 1,454 2,379 2025 2026 Q1 Q2 Q3 Q4 Operating Income (%) 2025 3Q, 13.6% 2026 3Q, 9.9% Executive Comments ➢ Financial Highlights 5 8,636 (NT$ Mn) Operating Income (%) 1,456 1,896 1,682 3,779 1,969 1,505 2,205 2025 2026 Q1 Q2 Q3 Q4 2025 3Q, 11.1% 2026 3Q, 16.3% Net Profit (%) 7,312 (NT$ Mn) Net Profit (%) • Q326 → 10.1% • 3Q26 → 16.3% 4,352 7,180
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© GlobalWafers Co., Ltd. All rights reserved. • Q326 → NT$3.13 • 3Q26 → NT$15 EPS Executive Comments ➢ Financial Highlights 6 Note: 1.FX Rate: NTD:USD = 31.85, including guarantee (NT$) Prepayment 3.05 3.97 3.52 7.904.12 3.134.60 2025 2026 Q1 Q2 Q3 Q4 15.29 15 • NT$21.2 billion (US$0.67 billion)1 Planned Dividend Payout • 1H26 Dividend – NT$6.0 per share • 1H26 Dividend Payout Ratio – 50.5% • Record Date – January 4, 2027 • Payment Date – January 22, 2027
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© GlobalWafers Co., Ltd. All rights reserved. Executive Comments ➢ Industry & Overview ◼ A trillion-dollar semiconductor market and rising wafer demand enhance the strategic value of qualified, production-ready capacity. ✓ Trillion-Dollar Market, Broadening Demand: The global semiconductor market is forecast to exceed US$1.6 trillion in 2026. AI, HBM and advanced computing lead the growth, with AI demand broadening beyond frontier models as lower-cost, open-weight alternatives enable wider enterprise and sovereign adoption. Growth is extending beyond advanced nodes into mature-node power, connectivity and industrial applications, and into SOI, compound semiconductors and specialty materials. ✓ Silicon Wafer Demand on the Rise: Global silicon wafer shipments continue to grow year-on-year, with recovery broadening across wafer diameters. Leading foundries continue to expand capacity across both next-generation and existing advanced nodes, while advanced packaging is increasing wafer consumption per system. The supply-demand balance could gradually tighten. ✓ Ready Capacity Gains Strategic Value: Foundries and memory makers continue to pursue multi-year expansion as AI-driven demand remains robust. High construction costs, long equipment lead times and qualification cycles limit the pace of new supply additions, strengthening the value of established, qualified capacity. As an indispensable substrate and the foundation of semiconductor manufacturing, silicon wafers are critical to production yields and continuity, further underscoring the strategic importance of qualified suppliers as industry utilization tightens. 7Source: WSTS (Aug 2026)
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© GlobalWafers Co., Ltd. All rights reserved. Executive Comments ➢ GlobalWafers’ Key Highlights ◼ Strong execution and enhanced financial flexibility reinforce GlobalWafers’ long-term competitiveness despite near-term fire-related headwinds. ✓ Global Expansion Investments Deliver Operating Momentum: In the U.S., Texas (GWA) achieved record shipments for four consecutive months, while Missouri posted record Q3 12-inch SOI output. In Italy, Novara’s 12-inch fab continues to ramp up, while Japan’s Utsunomiya and Niigata sites achieved record Q3 shipments and revenue, respectively. With existing wafer production capacity across all diameters operating at full utilization, these milestones underscore the growing contributions from earlier expansion investments. ✓ Strategic Partnership with Micron Supports U.S. Growth: Building on the previously signed MOU, GlobalWafers’ Board approved the proposed issuance of a 10-year privately placed domestic unsecured convertible bond of up to US$500 million, with Micron as the only subscriber. Together with the planned 10-year LTA, this strategic partnership is designed to support GlobalWafers’ U.S. business development and supply capabilities, strengthen the resilience of advanced semiconductor wafer supply, and address growing demand for advanced memory driven by AI, high-performance computing and data center applications. 8
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© GlobalWafers Co., Ltd. All rights reserved. Executive Comments ➢ GlobalWafers’ Key Highlights (cont'd) ◼ Strong execution and enhanced financial flexibility reinforce GlobalWafers’ long-term competitiveness despite near-term fire-related headwinds. ✓ Net Cash Position Builds a Stronger Foundation for Growth: The US$1.4 billion September GDR has transformed GlobalWafers’ financial position from net debt to net cash, significantly strengthening the balance sheet. The proceeds fund raw-material procurement and overseas expansion and, together with our strength to invest through the cycle through disciplined global manufacturing footprint, give GlobalWafers brownfield and greenfield capacity expansion aligned with customer commitments, while positioning the Company to capture the next semiconductor growth cycle. ✓ Strong 12-inch SOI Demand Supports the Next Phase of Growth: 12-inch SOI demand is rising, driven by the 8-inch to 12-inch transition and silicon photonics, RF-SOI and Power SOI, already exceeding our expansion plan. Our Missouri facility, the only U.S. site with 12-inch SOI manufacturing capability, is ramping through debottlenecking. Further expansion is under evaluation, supported by ongoing LTA and prepayment discussions with multiple customers. By leveraging existing fab infrastructure, GlobalWafers can improve capital efficiency while pursuing the next phase of growth with disciplined investment. 9
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© GlobalWafers Co., Ltd. All rights reserved. Semiconductor Application Trends Indicate Structural Support Beyond Cyclical Recovery 10 Compute & AI Infrastructure Structurally Robust ● AI infrastructure investment continues to accelerate, with data center systems spending forecast to rise more than 60% in 2026, underpinning multi-year demand for leading-edge silicon. ● Leading-edge foundry capex remains elevated, with multi-year spending set to rise further to add advanced-node capacity, signaling sustained customer commitment. ● The shift to agentic AI is driving a resurgence in CPU and networking switch demand alongside accelerators, expanding silicon content per data center. ● AI demand is broadening beyond frontier labs and hyperscalers as low- cost, open-weight models widen adoption. Memory Market Solid Fundamentals ● Memory is forecast to be the fastest- growing segment in 2026, with revenue more than tripling on HBM and AI server demand. ● The supply-demand balance remains tight, with shortages expected to persist despite ongoing capacity additions. ● Customers are increasingly committing to long-term supply agreements, enhancing visibility into wafer demand over the medium term. Smartphone & PC Value-Driven Demand ● Elevated memory costs are pressuring smartphone and PC volumes into 2027, yet higher ASPs are expected to lift market value in 2026, with smartphones up ~6% despite a ~17% unit decline. ● OEMs are prioritizing premium and AI-enabled devices, sustaining content gains in logic, memory and RF per unit. ● Foldables remain a pocket of growth, while broader smartphone demand stays uneven. Source: Gartner (Jul 2026); WSTS (Jun & Aug 2026); IDC (Mar & Aug 2026); Public disclosures from leading semiconductor and AI technology companies (Jul–Oct 2026); OpenRouter (Sep 2026)
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© GlobalWafers Co., Ltd. All rights reserved. Semiconductor Application Trends Indicate Structural Support Beyond Cyclical Recovery (cont'd) 11 Automotive & Industrial Gradual Recovery with Rising Silicon Content ● Industrial demand is firming, led by investment in grid and power infrastructure, while the automotive segment is recovering gradually as customers replenish inventory. ● Structural content gains continue as software-defined vehicles and ADAS adoption drive higher logic, power and sensor content per vehicle. ● AI data center power solutions and physical AI are emerging as incremental long-term growth vectors. Advanced Packaging Solid Fundamentals ● Leading-edge packaging capacity remains a key bottleneck, currently constraining customers' growth, with further expansion and next-generation solutions underway. ● 2.5D/3D integration, including CoWoS, CoPoS and HBM stacking, alongside emerging co-packaged optics, is becoming central to AI system performance. ● Greater stacking complexity, tighter specifications and yield losses increase wafer consumption per system, while silicon photonics drives demand for specialty wafers such as SOI. *Source: GWC Intelligence (Sep 2026); Public disclosures from leading semiconductor companies (Jul –Aug 2026)*
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© GlobalWafers Co., Ltd. All rights reserved. 02 Company Overview 12
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© GlobalWafers Co., Ltd. All rights reserved. Worldwide Semiconductor Sales Forecast 13Source: Bank of America (Sep 2026); WSTS updated outlook following Q2 2026 data (Aug 2026); Omdia (Jul 2026); Gartner (Aug 2026); SEMI (Q3 2026). Leading research firms have all raised their 2026 outlook and now expect the semiconductor market to roughly double, with growth continuing into 2027 2026F Global Semiconductor Revenue Growth (YoY) 113.0% 108.0% 94.1% 92.0% BofA (Sep) WSTS (Aug) Omdia (Jul) Gartner (Aug) What Is Driving the Market Memory is the core growth engine Memory to reach 54% of 2026 revenue (27% in 2025), with DRAM +247% and NAND +372% on AI demand and pricing AI is reshaping the industry mix AI data center share expected to rise from 36.5% in 2026 to over 53% by 2030, lifting CPUs, networking, power and analog Supply stays tight into 2027 HBM, advanced packaging and leading-edge node bottlenecks are driving accelerated capacity investment 2026F Semiconductor Market Size US$1.56–1.66T 2027F Semiconductor Market Size US$1.94–2.14T Gartner / WSTS 2027F Global Fab Equipment Spending US$180B SEMI, +14% YoYGartner / WSTS
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© GlobalWafers Co., Ltd. All rights reserved. US$1.4bn GDR Offering Supports Global Growth and Enhances Financial Flexibility 22 September 2026 US$1,432mn GDR Offering Offer Size: US$1,432mn Offer Price: US$28.64 (Common share NT$ Equivalent: c.NT$908.3) Discount: 6.46% discount to the last closing price Oversubscription: ~4x Offering Structure: 100% Primary (New Shares) Historical Significance: Third-largest Taiwan GDR issuance of all time3 Sole Global Coordinator & Bookrunner J.P. Morgan Securities plc Transaction Summary1,2 Notes: 1 GDR offering filing; 2 FactSet; 3 Dealogic 14 Financial Position Before and After the GDR Offering Debt Ratio 56% 52% -4 ppts Current Ratio 128% 163% +35 ppts Quick Ratio 108% 150% +42 ppts Deploying Capital for Growth US$1,432mm GDR proceeds RAW MATERIALS Foreign-currency procurement and supply readiness FUTURE GROWTH OPPORTUNITIES Supporting future growth across GlobalWafers’ manufacturing network Provides capital to seize robust demand driven by AI, high- performance computing, and advanced semiconductor applications. Supports Long-Term Growth Opportunities Supports future growth opportunities across GlobalWafers’ global manufacturing network and strengthens localized manufacturing capabilities to better serve customers in key overseas markets Strengthens “Local for Local” Supply Footprint Strengthens the balance sheet and liquidity position, providing greater flexibility to fund growth investments and navigate industry cycles Enhancing Financial Flexibility Expands the Company's international shareholder base, enhances visibility among global institutional investors and improves trading liquidity Broaden Global Institutional Ownership Q226 Q326 Net Cash NT$ -18.57 B NT$26.31 B > 200%
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© GlobalWafers Co., Ltd. All rights reserved. GlobalWafers Is Well Positioned for the Next Phase of Growth 15 Broader Demand GlobalWafers’ investments ahead of the cycle, and one-stop manufacturing solutions in each of the 3 continents, combined with enhanced financial flexibility, position the company for the next wave of semiconductor growth. Operating Readiness Disciplined Capital US$1.432bn GDR successfully completed • ~4x oversubscribed by global institutional investors • Enhanced financial flexibility • Supports future growth opportunities across GlobalWafers’ global manufacturing network. Expansion Milestones • Sherman, Texas, US Record shipments for 4 consecutive months • St. Peters, Missouri, US Record-high Q3 12-inch SOI output • Novara, Italy 12-inch FAB ramp-up continues • Utsunomiya, Japan Record Q3 Shipments Demand Recovery Is Broadening • Stronger demand across wafer sizes • AI-driven demand across advanced and mature nodes • Growing opportunities in advanced and specialty wafers, including SOI, GaN, 12-inch SiC and square wafers • Recovery across applications at varying speeds
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© GlobalWafers Co., Ltd. All rights reserved. 03 Financial Performance 16
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© GlobalWafers Co., Ltd. All rights reserved. Financial Highlight : Q326 vs. Q226 vs. Q325 (NT$ Mn, except EPS) Q326 Q226 Q325 QoQ YoY Revenue 14,871 15,214 14,493 -2.3% 2.6% Gross Profit % 20.0% 20.6% 18.4% -0.6p.p. 1.6p.p. Operating Income 1,454 1,423 1,230 2.2% 18.2% Operating Income % 9.8% 9.4% 8.5% 0.4p.p. 1.3p.p. Net Profit 1,505 3,779 1,969 -60.2% -23.6% Net Profit % 10.1% 24.8% 13.6% -14.7p.p. -3.5p.p. EPS1 NT$3.13 NT$7.90 NT$4.12 -NT$4.77 -NT$0.99 EBITDA2 3,863 6,969 4,376 -44.6% -11.7% EBITDA % 26.0% 45.8% 30.2% -19.8p.p. -4.2p.p. EBIT3 1,561 4,556 2,013 -65.7% -22.4% ROE4 (annualized) 5.0% 15.9% 9.0% -10.9p.p. -4.0p.p. ROA5 (annualized) 3.30% 8.15% 4.2% -4.8p.p. -0.9p.p. Capex6 3,214 2,202 7,018 - - Depreciation 2,297 2,408 2,357 - - Note: 1. EPS = Net Profit Attributable To The Shareholders of The Company / Weighted -average Number of Ordinary Shares Outstanding Durin g The Period 2. EBITDA = Net Profit + Tax + Interests + Depreciation + Amortization 3. EBIT = Net Profit + Tax + interests 4. ROE = Net Profit / Average Shareholders Equity 5. ROA = (Net Profit + Interest*(1- Effective Tax Rate)) / Average Asset 6. Capex = Ending Acquisition of property, plant and equipment, and prepayments of equipment - Beginning Acquisition of property, plant and equipment, and prepayments of equipment 17
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© GlobalWafers Co., Ltd. All rights reserved. (NT$ Mn, except EPS) 3Q26 3Q25 YoY Revenue 44,070 46,096 -4.4% Gross Profit % 20.5% 23.6% -3.1p.p. Operating Income 4,352 6,257 -30.5% Operating Income % 9.9% 13.6% -3.7p.p. Net Profit 7,180 5,107 40.6% Net Profit % 16.3% 11.1% 5.2p.p. EPS1 NT$15.00 NT$10.68 NT$4.32 EBITDA2 14,893 12,880 15.6% EBITDA % 33.8% 27.9% 5.9p.p. EBIT3 7,972 5,817 37.0% ROE4 (annualized) 8.0% 7.5% 0.5p.p. ROA5 (annualized) 4.48% 3.4% 1.1p.p. Capex6 8,876 26,112 - Depreciation 6,904 7,047 - Financial Highlight : 3Q26 vs. 3Q25 (Accumulated) 18 Note: 1. EPS = Net Profit Attributable To The Shareholders of The Company / Weighted -average Number of Ordinary Shares Outstanding Durin g The Period 2. EBITDA = Net Profit + Tax + Interests + Depreciation + Amortization 3. EBIT = Net Profit + Tax + interests 4. ROE = Net Profit / Average Shareholders Equity 5. ROA = (Net Profit + Interest*(1- Effective Tax Rate)) / Average Asset 6. Capex = Ending Acquisition of property, plant and equipment, and prepayments of equipment - Beginning Acquisition of property, plant and equipment, and prepayments of equipment
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© GlobalWafers Co., Ltd. All rights reserved. Income Statement (NT$ Mn) 2025 Q126 Q226 Q326 3Q26 3Q26 (simulated)1 Revenue 60,598 13,985 15,214 14,8713 44,070 41,090 YoY Growth (%) -3.2% -3.6%2 8.8%2 -2.3%2 -4.4% - Gross Profit 14,624 2,914 3,140 2,970 9,024 13,520 Gross Profit Margin (%) 24.1% 20.8% 20.6% 20.0%4 20.5% 32.9% EBITDA 17,340 4,060 6,969 3,863 14,893 16,364 EBITDA Margin (%) 28.6% 29.0% 45.8% 26.0% 33.8% 39.8% Operating Income 8,636 1,475 1,423 1,454 4,352 9,473 Operating Profit Margin (%) 14.3% 10.5% 9.4% 9.8% 9.9% 23.1% Profit before Tax 9,516 2,347 4,585 1,690 8,622 10,583 Profit before Tax Margin (%) 15.7% 16.8% 30.1% 11.4% 19.6% 25.8% Net Profit 7,312 1,896 3,779 1,5055/6 7,180 8,930 Net Profit Margin (%) 12.1% 13.6% 24.8% 10.1% 16.3% 21.7% EPS (NT$) 15.29 3.97 7.90 3.135 15.00 18.66 19 Note: 1. Simulated figures exclude impacts from major expansions in the U.S., Italy, and Japan, as well as mark-to-market changes on Siltronic shares 2. Quarter-over-quarter (QoQ) revenue growth 3. Q326 revenue decreased QoQ, mainly due to the fire at the Novara facility in Italy and the resulting capacity reallocation ac ross other facilities to support Novara. 4. Q326 gross margin decreased QoQ, mainly due to higher costs and depreciation associated with new capacity ramp -up, as well as changes in product mix due to cross-site support following the Novara fire. 5. Q326 net profit and EPS decreased QoQ, mainly due to a higher mark -to-market valuation gain on the company’s holdings of Siltron ic shares in Q226. 6. Q326 income tax expense decreased QoQ, mainly due to deferred tax adjustments related to the valuation of GlobalWafers’ share holding in Siltronic. .
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© GlobalWafers Co., Ltd. All rights reserved. Balance Sheet Note: 1. The balance of short-term loans comprises short-term borrowings, commercial paper payable, and the current portions of long -term borrowings, corporate bonds payable, and convertible bonds payable 2. The balance of long-term loans includes long-term borrowings, corporate bonds payable, and exchangeable bonds payable 3. Q326 Cash and cash equivalents increased QoQ, mainly driven by proceeds from the GDR issuance, partially offset by debt repayme nts and capital expenditures. 4. Q326 Inventories increased QoQ, mainly due to the gradual arrival of supplies and polysilicon procured for new capac ity expansion. 5. Q326 Property, plant and equipment increased QoQ, mainly due to capital expenditures and foreign exchange movements. 6. Q326 shareholders’ equity increased QoQ, mainly due to the GDR issuance. (NT$ Mn) 2024 2025 Q126 Q226 Q326 Assets Cash and cash equivalents 38,929 19,484 24,128 23,776 60,8003 Account receivable 10,265 10,113 10,138 10,548 9,413 Inventories 11,238 10,399 11,000 12,015 12,9274 Property, plant and equipment 119,074 107,241 108,861 107,864 109,8325 Other assets 45,074 71,105 56,910 65,017 108,665 Total assets 224,581 218,343 211,037 219,220 301,636 Liabilities Short-term loan1 28,797 31,010 33,887 38,282 77,203 Account payable 5,371 4,161 3,867 4,697 4,356 Long term loan2 37,678 43,244 29,221 33,188 31,931 Other liabilities 61,706 46,632 50,683 46,333 42,277 Total liabilities 133,553 125,048 117,657 122,500 155,768 Shareholder equity 91,028 93,295 93,379 96,720 145,8686 (NT$ Mn) Q326 Deposits in banks held for three months or more 6,514 Restricted Cash 61,791 Note 6,338 Cash-related other assets include: 20
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© GlobalWafers Co., Ltd. All rights reserved. 04 Q&A 21