Sumco Corporation · TSE:3436
Sumco — Sumco Corp Ord — Q1 2026 Earnings Presentation
21 slides from Sumco's earnings presentation, May 12, 2026
Slide 1: Results for First Quarter of FY 2026
Results for First Quarter of FY 2026 (Ended March 31, 2026) May 12, 2026 SUMCO CORPORATION (Code：3436) (LEI：353800SUSRUOM0V6KU92) SUMCO CORPORATION © SUMCO CORPORATION. All rights reserved.
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
Slide 3: Contents
Contents ■ Summary and Market Environment ■ 1Q-2026 Consolidated Business Result • Summary of Consolidated Business Result • Analysis of Changes in Operating Profit • Consolidated Balance Sheet and Consolidated Cash-Flow ■ 2Q-2026 Consolidated Business Forecast • Consolidated Business Forecast • Ana
Slide 4: Summary and Market Environment
Summary and Market Environment Jiro Ryuta Representative Director, President 1Q-2026 Results SUMCO CORPORATION May 12, 2026
Slide 5: 1-1. Summary
1-1. Summary ■ 1Q-2026 Consolidated Business Result ■ 2Q-2026 Consolidated Business Forecast (Billions of Yen) (Billions of Yen) 1Q-2026 1Q-2026 1Q-2026 2Q-2026 Change Change Forecast Actual Actual Forecast Net Sales 100.0 101.4 +1.4 Net Sales 101.4 112.0 +10.6 Operating Profit (6.0) (5.2) +0.8 Oper
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 - Total 81 55 21 20 - Interim 12.6 14.7 5.2 3.5 3.5 Dividends payment (Billions of Yen)
Slide 7: 2-1. Silicon Wafer Trend
2-1. Silicon Wafer Trend ■ 300 mm Wafer Trend ■ 200 mm Wafer Trend (千枚/月) （k wafers/month） (千枚/月) （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 estim
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
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 14/1Q 15/1Q 16/1Q 17/1Q 18/1Q 19/1Q 20/1Q 21/1Q 22/1Q 23/1Q 24/1Q 25/1Q 26/1Q 2Q 3Q 4Q 2Q 3Q 4Q 2Q 3Q 4Q 2
Slide 10: 3. Market Environment
3. Market Environment ■ 1Q-2026 Volume ・Shipments of 300 mm wafers decreased from the fourth quarter due to customer inventory drawdown. ・Shipments remained slow for 200 mm wafers. Pricing ・Long-term contract prices were honored. ■ 2Q-2026 Forecast Volume ・300 mm wafer outlook remains favorable for
Slide 11: 4. Vision and Basic Management Policy
4. Vision and Basic Management Policy SUMCO Vision World's Best in Technology Stable Profitability Even During Economic Downturns Empower Employee Awareness of Profit Competitiveness in Overseas Markets 1Q-2026 Results SUMCO CORPORATION May 12, 2026 11
Slide 12: 1Q-2026 Consolidated Business Result
1Q-2026 Consolidated Business Result Shinichi Kubozoe Representative Director, Executive Vice President Chief Financial Officer 1Q-2026 Results SUMCO CORPORATION May 12, 2026
Slide 13: 5-1. Summary of Consolidated Business Result
5-1. Summary of Consolidated Business Result (Billions of Yen) 1Q-2025 4Q-2025 1Q-2026 Change Actual Actual Actual YoY QoQ Net sales 102.4 105.2 101.4 (1.0) (3.8) Operating profit 5.9 (4.5) (5.2) (11.1) (0.7) Non-operating income and expenses (1.1) (1.4) (2.7) (1.6) (1.3) Ordinary profit 4.8 (5.9) (
Slide 14: 5-2. Analysis of Changes in Operating Profit
5-2. Analysis of Changes in Operating Profit ■ 4Q-2025 Actual → 1Q-2026 Actual ■ 1Q-2025 Actual → 1Q-2026 Actual (Billions of Yen) (Billions of Yen) 4Q-2025 1Q-2026 1Q-2025 1Q-2026 Change Change Actual Actual Actual Actual Net Sales 105.2 101.4 (3.8) Net Sales 102.4 101.4 (1.0) Operating Profit (4.5
Slide 15: 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 1Q-2026 Change Dec-2025 Mar-2026 (3months) Cash and deposits 75.2 109.9 +34.7 Profit before income taxes (7.9) Notes and accounts receivable 89.9 87
Slide 16: 2Q-2026 Consolidated Business Forecast
2Q-2026 Consolidated Business Forecast 1Q-2026 Results SUMCO CORPORATION May 12, 2026
Slide 17: 6-1. 2Q-2026 Consolidated Business Forecast
6-1. 2Q-2026 Consolidated Business Forecast (Billions of Yen) 2Q-2025 2Q-2026 Actual 1Q ACT 2Q FCST Total Change (6 months) (3 months) (3 months) (6months) Net sales 205.3 101.4 112.0 213.4 +8.1 Operating profit 7.4 (5.2) (2.5) (7.7) (15.1) Non-operating income and expenses (2.7) (2.7) (4.0) (6.7) (
Slide 18: 6-2. Analysis of Changes in Operating Profit
6-2. Analysis of Changes in Operating Profit ■ 1Q-2026 Actual → 2Q-2026 Forecast ■ 2Q-2025 Actual → 2Q-2026 Forecast (Billions of Yen) (Billions of Yen) 1Q-2026 2Q-2026 2Q-2025 2Q-2026 Change Change Actual Forecast Act (6 months) Fcst (6 months) Net Sales 101.4 112.0 +10.6 Net Sales 205.3 213.4 +8.1
Slide 19: Reference Materials
Reference Materials 1Q-2026 Results SUMCO CORPORATION May 12, 2026
Slide 20: Quarterly Trend
Quarterly Trend (Billions of Yen) Operating Profit EBITDA Net Sales EBITDA Margin % 70% 125 116.2 117.4 112.0 107.0 109.9 110.7 60% 105.1 104.7 105.2 100.4 102.4 102.9 101.4 100.2 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% 33.2% 31.3% 3
Slide 21: For All Innovation
For All Innovation SUMCO CORPORATION 21