Siltronic AG reports Q1 2026 results via conference call; Outlook for 2026 confirmed; ~7% YoY growth anticipated PowerPoint-Präsentation © Siltronic AG Q1 2026 IN LINE WITH EXPECTATIONS Michael Heckmeier & Claudia Schmitt April 29, 2026 © Siltronic AG Q1 2026: SOFT START INTO THE YEAR AS EXPECTED 2 Q1 2026 Conference Call Presentation 307 Sales in EUR mn -17.5% vs. Q4 2025 21.2 EBITDA margin in % Q4 2025: 23.3% -89 Net cash flow in EUR mn Q4 2025: EUR 102 mn 48 Capex in EUR mn Focus on 300 mm -52 EBIT in EUR mn Q4 2025: EUR -34 mn 936 Net financial debt in EUR mn Dec 31, 2025: EUR 837 mn © Siltronic AG © Siltronic AG FINANCIALS Q1 2026 Q1 2026 Conference Call Presentation 3 In line with expectations © Siltronic AG 1 qoq = Q1 2026 vs. Q4 2025 4 Q1 2026 Conference Call Presentation Q1 2026 P&L FIGURES Sales o -17.5 % due to lower wafer area sold and negative product mix effects following delivery shifts that benefited Q4 2025 o No material impact from FX (EUR/USD 1.17, Q4 2025: 1.16) EBITDA o EBITDA decline as a result of lower sales o Expenses typically recorded only in Q1 were largely offset by positive one-off effects, primarily from oil price hedging activities EBIT o Decline along with EBITDA Net income o Decline less pronounced than EBIT, as Q4 included a one-off write-down of deferred tax assets n Q1 2026 Q4 2025 Q1 2025 Sales 307 372 346 Gross profit -26 -0.3 55 Gross margin, in % -8.5 -0.1 15.9 EBITDA 65 86 78 EBITDA margin, in % 21.2 23.3 22.6 EBIT -52 -34 15 EBIT margin, in % -17.1 -9.0 4.3 Net Income -67 -53 4 Comments qoq1 Profit & Loss, in EUR million © Siltronic AG 5 Q1 2026 Conference Call Presentation 1 Mar 31, 2026 vs. Dec 31, 2025 Q1 2026 BALANCE SHEET FIGURES Comments1 Fixed Assets EUR -18 mn ○Only slight decline reflecting the net effect of a stronger Singapore Dollar versus the Euro and depreciation > capex Cash & Securities EUR -86 mn ○Operating cash flow negatively impacted by expected working capital effects ○High payments for previously incurred capex, resulting in lower trade payables Equity Ratio 42% Liabilities and Prepayments EUR -44 mn o Trade liabilities EUR -43 mn along with high capex related payments Balance Sheet Composition, in EUR million Mar 31, 2026 Dec 31, 2025 Assets 4,705 4,761 Fixed Assets 3,696 3,714 Inventories & Contract assets 335 315 Receivables 227 198 Cash & Securities 448 534 Equities & Liabilities 4,705 4,761 Equity 1,995 2,028 Provisions 215 217 Financial Liabilities 1,506 1,489 Liabilities & Prepayments 990 1,026 © Siltronic AG CAPEX SIGNIFICANTLY DOWN, PAYMENTS FOR CAPEX ABOVE INVEST-LEVEL 6 Q1 2026 Conference Call Presentation Chart not to scale Capex and Payments for Capex, in EUR million Payment roll-over effects occurred in Q1 2026 Capital expenditures Payments for capital expenditures, gross 1,074 923 2022 1,199 1,316 2023 700 523 2024 380 369 2025 Q1 2026 48 110 180-220 2026e © Siltronic AG ANTICIPATED PRONOUNCED BUT TEMPORARY INCREASE IN NET FINANCIAL DEBT 7 Q1 2026 Conference Call Presentation Net Financial Position, in EUR million Capex Payables significantly reduced compared to YE 2025 Operating Cash Flow impacted by expected working capital effects Net financial position Mar 31, 2026 Others Payments for capex, net Operating cash flow Net financial position Dec 31, 2025 -501 -837 -936 21 Change in net financial position EUR -99 mn -110 -10 © Siltronic AG DEBT REPAYMENTS STARTED IN 2025, WITH AN ADDITIONAL EUR 100 MN PLANNED FOR 2026 8 Q1 2026 Conference Call Presentation Figures rounded SSD = Schuldscheindarlehen (Promissory Note Loan) Debt Financing Instruments in EUR million Interest expenses in the ballpark of EUR 50 mn in 2026 Prepayments of EUR ~15 mn expected to be refunded in 2026 -936 Variable loans, drawn Syn loan, not drawn yet Fixed loans, drawn SGP 260 EIB 175 SSD 280 SSD 390 Syn loan 253 Syn loan 127 1,485 Maturity Profile of Debt Financing in EUR million Liquidity in EUR million March 31, 2026 448 Syn loan (not drawn) 127 2026 2027 2028 ∑ 2029 – 2033 100 250 220 790 © Siltronic AG OUTLOOK 2026 Q1 2026 Conference Call Presentation 9 Unchanged, though geopolitical uncertainties persist © Siltronic AG 2026 OUTLOOK: ~7% YOY GROWTH (PRE-INVENTORY) DRIVEN BY STRONG SERVER DEMAND 10 Q1 2026 Conference Call Presentation ¹Infrastructure Telecommunications, game consoles, consumer electronics such as televisions, white goods such as refrigerators Source: Siltronic estimates as of April 2026; Chart not to scale Growth in Wafer Area Consumption, in % yoy Cars with reduced growth rate Smartphones & PCs demand weakened further, while memory allocation favors servers Split wafer consumption by end use in 2025 Smartphones Servers Automotive PCs Industry Others1 2026e -10% 44% 3% -10% 10% 3% 7% Total w/o inventory 21% 18% 16% 14% 13% 18% 100% 2025 3% 30% 18% 12% 2% 3% 8% Industry improving Inventory impact on wafer demand © Siltronic AG 2026 GUIDANCE CONFIRMED 11 Q1 2026 Conference Call Presentation Sales Mid-single digit below 2025 EUR/USD 1.18 EBITDA margin Between 20% and 24% Capex Between EUR 180 and 220 mn EBIT Significantly below the previous year Depreciation Between EUR 490 and 520 mn Net Cash Flow In the range of the previous year © Siltronic AG © Siltronic AG © Siltronic AG Q&A Q1 2026 Conference Call Presentation 12 © Siltronic AG The information contained in this presentation is for background purposes only and is subject to amendment, revision and updating. Certain statements contained in this presentation may be statements of future expectations, future financial performance and other forward- looking statements that are based on management's current views and assumptions and involve known and unknown risks and uncertainties. In addition to statements which are forward-looking by reason of context, including without limitation, statements referring to risk limitations, operational profitability, financial strength, performance targets, profitable growth opportunities and risk adequate pricing, words such as "may”, “will”, “should”, “expects”, “plans”, “intends”, “anticipates”, “believes”, “estimates”, “predicts”, “continue”, “projects” or “seeks”, “potential”, “future”, or “further” and similar expressions may identify forward-looking statements. By their nature, forward-looking statements involve a number of risks, uncertainties and assumptions which could cause actual results or events to differ materially from those expressed or implied by the forward-looking statements. These include, among other factors, changing business or other market conditions, currency and interest fluctuations, introduction of competitive products, poor acceptance of new products and services, change of the corporate strategy and the prospects for growth anticipated by the management. These and other factors could adversely affect the outcome and financial effects of the plans and events described herein. Statements contained in this presentation regarding past trends or activities should not be taken as a representation that such trends or activities will continue in the future. Siltronic AG does not undertake and does not intent to undertake any obligation to update or revise any statements contained in this presentation, whether as a result of new information, future events or otherwise. In particular, you should not place any reliance on forward-looking statements which speak only as of the date of this presentation. Q1 2026 Conference Call Presentation Financial Calendar and Events Investor Relations Contact Stephanie Malgara investor.relations@siltronic.com Tel. +49 89 8564-3133 13 May 28, 2026 Deutsche Bank European Champions Conference, Frankfurt May 8, 2026 AGM September 2/3, 2026 Deutsche Bank European TMT Conference, London May 19, 2026 LBBW London Private Placement Forum 2026, London September 1, 2026 COMMERZBANK & ODDO BHF Corporate Conference, Ffm --- Source: https://www.siltronic.com/fileadmin/investorrelations/2026/Q1/20260429_Q1_2026_conference_call_presentation__.pdf sdDatePublished: 2026-04-29T07:06:00Z Topics: business reporting and performance, semiconductor and electronic component, financial statement, corporate earnings, stock activity Locations: Munich, Frankfurt am Main, United Kingdom, Singapore