SUMCO Corporation · TSE:3436

SUMCO — Q3 2026 Earnings Presentation

23 slides from SUMCO's earnings presentation, Nov 11, 2026

  1. Slide 1: Results for Third Quarter of FY 2026 (Ended September 30, 2026)

    Results for Third Quarter of FY 2026 (Ended September 30, 2026) November 11, 2026 SUMCO CORPORATION (Code:3436) (LEI:353800SUSRUOM0V6KU92) SUMCO CORPORATION © SUMCO CORPORATION. All rights reserved.

  2. Slide 2: Notes Regarding the Forecasts

    Notes Regarding the Forecasts This material is prepared for the purpose of continuous disclosure to general shareholders and investors and will not constitute an offer or solicitation of securities of the Company in any states or jurisdictions. The estimate, expectation, forecast and other future in

  3. Slide 3: Contents

    Contents ■ Summary and Market Environment ■ 3Q-2026 Consolidated Business Result • Summary of Consolidated Business Result • Analysis of Changes in Operating Profit • Consolidated Balance Sheet and Consolidated Cash-Flow ■ 4Q-2026 Consolidated Business Forecast • Consolidated Business Forecast • Ana

  4. Slide 4: Summary and Market Environment

    Summary and Market Environment Jiro Ryuta Representative Director, President 3Q-2026 Results SUMCO CORPORATION Nov. 11, 2026

  5. Slide 5: 1-1. Summary

    1-1. Summary ■ 3Q-2026 Consolidated Business Result ■ 4Q-2026 Consolidated Business Forecast (Billions of Yen) (Billions of Yen) 3Q-2026 3Q-2026 3Q-2026 4Q-2026 Change Change Forecast Actual Actual Forecast Net Sales 118.0 117.5 (0.5) Net Sales 117.5 107.0 (10.5) Operating Profit 0.0 2.0 +2.0 Operat

  6. Slide 6: 1-2. Shareholder Return (Forecast)

    1-2. Shareholder Return (Forecast) FY2022 FY2023 FY2024 FY2025 FY2026 (Dec-2022) (Dec-2023) (Dec-2024) (Dec-2025) (Dec-2026) Interim 36 42 15 10 10 Dividends per share for common stocks (Yen) Year-end 45 13 6 10 10 Total 81 55 21 20 20 Interim 12.6 14.7 5.2 3.5 3.5 Dividends payment (Billions of Yen

  7. Slide 7: 2-1. Silicon Wafer Trend

    2-1. Silicon Wafer Trend ■ 300 mm Wafer Trend ■ 200 mm Wafer Trend (k wafers/month) (k wafers/month) 10,000 8,000 8,000 6,000 6,000 4,000 4,000 2019 2020 2021 2,000 2019 2020 2021 2,000 2022 2023 2024 2022 2023 2024 2025 2026 2025 2026 0 0 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q (Source: SUMCO’s estimation) 3Q-2026

  8. Slide 8: 2-2. Customers' 300 mm Wafer Inventory Trend

    2-2. Customers’ 300 mm Wafer Inventory Trend ■ 300 mm Wafer Inventory Trend for Major Customers Input volume Purchase volume Customer inventory volume Turnover days 14/1Q 15/1Q 16/1Q 17/1Q 18/1Q 19/1Q 20/1Q 21/1Q 22/1Q 231Q 24/1Q 25/1Q 26/1Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3

  9. Slide 9: 2-3. Customers' 300 mm Wafer Inventory (Logic/Memory)

    2-3. Customers’ 300 mm Wafer Inventory (Logic/Memory) ■ 300 mm Wafer Inventory Trend for Major Customers’ Logic Applications Input volume Purchase volume Customer inventory volume Turnover days 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4

  10. Slide 10: 3. Market Environment

    3. Market Environment ■ 3Q-2026 Volume ・300 mm wafer shipments significantly increased with continued strong demand for leading-edge logic and memory. ・For 200 mm wafers, demand for power devices and other applications started to pick up in connection with AI. Pricing ・Long-term contract prices were

  11. Slide 11: 4-1. Relation of Server Shipments to Increased AI use

    4-1. Relation of Server Shipments to Increased AI use  Computing capacity for training is increasing, aimed at raising AI performance  Computing capacity for inference is increasing with the spread of agentic AI  Growth in AI servers is driving the increase in overall server numbers → High-perfor

  12. Slide 12: 4-2. Typical leading-edge logic configuration for AI servers

    4-2. Typical leading-edge logic configuration for AI servers  Leading-edge GPU and CPU chips are used in AI servers, with the GPUs responsible for massive parallel processing in AI training and inference, and CPUs performing overall server system control.  Both GPUs and CPUs are made with the opti

  13. Slide 13: 4-3. 300mm Wafer Demand Forecast for Logic used in Servers

    4-3. 300mm Wafer Demand Forecast for Logic used in Servers  Increased demand for GPU/CPU chiplets is leading to growth in demand for logic wafers of a wide range of process generations. (k wafers / month) Wafer Demand Forecast for Logic used in Servers 1,000 1.4nm 2nm 800 3nm 5nm 600 7nm 400 200 0

  14. Slide 14: 3Q-2026 Consolidated Business Result

    3Q-2026 Consolidated Business Result Shinichi Kubozoe Representative Director, Executive Vice President Chief Financial Officer 3Q-2026 Results SUMCO CORPORATION Nov. 11, 2026

  15. Slide 15: 5-1. Summary of Consolidated Business Result

    5-1. Summary of Consolidated Business Result (Billions of Yen) 3Q-2025 3Q-2026 Actual (9 months) Change (9 months) 1Q 2Q 3Q Total Net sales 304.4 101.4 113.6 117.5 332.5 +28.1 Operating profit 5.8 (5.2) (1.1) 2.0 (4.3) (10.1) Non-operating income and expenses (3.7) (2.7) (3.1) 0.3 (5.5) (1.8) Ordina

  16. Slide 16: 5-2. Analysis of Changes in Operating Profit

    5-2. Analysis of Changes in Operating Profit ■ 2Q-2026 Actual → 3Q-2026 Actual ■ 3Q-2025 Actual → 3Q-2026 Actual (Billions of Yen) (Billions of Yen) 2Q-2026 3Q-2026 3Q-2025 3Q-2026 Change Change Actual Actual Act (9 months) Act (9 months) Net Sales 113.6 117.5 +3.9 Net Sales 304.4 332.5 +28.1 Operat

  17. Slide 17: 5-3. Balance Sheet and Cash-Flow (Consolidated)

    5-3. Balance Sheet and Cash-Flow (Consolidated) ■ Consolidated Balance Sheet ■ Consolidated Cash-Flow (Billions of Yen) (Billions of Yen) End of End of 3Q-2026 Change Dec-2025 Sep-2026 (9months) Cash and deposits 75.2 120.7 +45.5 Profit before income taxes 0.1 Notes and accounts receivable 89.9 79.8

  18. Slide 18: 4Q-2026 Consolidated Business Forecast

    4Q-2026 Consolidated Business Forecast 3Q-2026 Results SUMCO CORPORATION Nov. 11, 2026

  19. Slide 19: 6-1. 4Q-2026 Consolidated Business Forecast

    6-1. 4Q-2026 Consolidated Business Forecast (Billions of Yen) FY2026 Forecast FY2025 1Q 2Q 3Q 4Q Total Change Actual ACT ACT ACT FCST Net sales 409.6 101.4 113.6 117.5 107.0 439.5 +29.9 Operating profit 1.3 (5.2) (1.1) 2.0 1.0 (3.3) (4.6) Non-operating income and expenses (5.1) (2.7) (3.1) 0.3 3.5 (

  20. Slide 20: 6-2. Analysis of Changes in Operating Profit

    6-2. Analysis of Changes in Operating Profit ■ 3Q-2026 Actual → 4Q-2026 Forecast ■ 2025 Actual → 2026 Forecast (Billions of Yen) (Billions of Yen) 3Q-2026 4Q-2026 FY2025 FY2026 Change Change Actual Forecast Actual Forecast Net Sales 117.5 107.0 (10.5) Net Sales 409.6 439.5 +29.9 Operating Profit 2.0

  21. Slide 21: Reference Materials

    Reference Materials 3Q-2026 Results SUMCO CORPORATION Nov. 11, 2026

  22. Slide 22: Quarterly Trend

    Quarterly Trend (Billions of Yen) Operating Profit EBITDA Net Sales EBITDA Margin % 70% 125 116.2 117.4 113.6 117.5 109.9 110.7 60% 107.0 105.1 105.2 107.0 104.7 100.4 102.4 102.9 101.4 100.2 98.4 100.0 99.1 105 93.5 91.2 86.7 50% 81.8 85 75.9 39.4% 37.9% 38.3% 36.7% 36.5% 40% 33.8%34.2% 65 32.8%33.

  23. Slide 23: Empowering the World through Silicon Wafers

    Empowering the World through Silicon Wafers SUMCO CORPORATION 23

SUMCO — Q3 2026 Earnings Presentation on 6ix