Siltronic Ag · XETR:WAF
Siltronic — Investor Presentation (October 2025)
33 slides from Siltronic's investor presentation, Oct 28, 2025
Slide 1: Set to Grow – Investor Presentation October 2025
SET TO GROW Investor Presentation October 2025 © Siltronic AG
Slide 2: Siltronic at a Glance
SILTRONIC AT A GLANCE 4,400 50+ employees years of history worldwide in silicon technologies 4 Supplier world-class to top production sites semiconductor producers 1.4 26 billion EUR percent sales in 2024 EBITDA margin in 2024 2 Investor Presentation - October 2025 © Siltronic AG
Slide 3: 50+ Years of History – A Story of Success and Innovation
50+ YEARS OF HISTORY – A STORY OF SUCCESS AND INNOVATION 1968 1984 1995 1999 2006 2015 2019 2023 Foundation of First 200 mm Acquisition of Start of 200 mm Foundation of 50:50 Siltronic Inauguration of the Inauguration of Wacker- wafers at Freiberg fab production at JV with Samsung executes new cryst
Slide 4: Our International Production Network Serves Customers Around the Globe
OUR INTERNATIONAL PRODUCTION NETWORK SERVES CUSTOMERS AROUND THE GLOBE Singapore Singapore 300 mm volume production in 200 SSW* CP 300 mm SSP mm Germany & Singapore Germany Germany (Burghausen, Freiberg) R&D hub in Burghausen 300 CP mm Leading USA USA (Portland / Oregon) Edge 200 production mm JV =
Slide 5: The Wafer Suppliers Are Fueling the Whole Electronics Value Chain
THE WAFER SUPPLIERS ARE FUELING THE WHOLE ELECTRONICS VALUE CHAIN Silicon for electronic Semiconductor Semiconductors End markets applications silicon wafers device makers USD >5,000 bn USD 1.3 bn USD 11.5 bn USD 621 bn Servers / AI Smartphones Microsoft, Apple, With fabs Google, aws, Samsung… Samsu
Slide 6: Siltronic Is Well Positioned as the Only Western-Based Wafer Manufacturer
SILTRONIC IS WELL POSITIONED AS THE ONLY WESTERN-BASED WAFER MANUFACTURER Around 80% of the market is Global served by the Top 5 Wafers Sumco Top 5 Only western Wafer based wafer producers manufacturer Shin Etsu SK Siltron Source: Q1-Q3 2024 Quarterly revenue reports by SEMI reporting companies with
Slide 7: Wafer Demand Growth Expected to Continue (CAGR 4-5%)
WAFER DEMAND GROWTH EXPECTED TO CONTINUE (CAGR1 4-5%), DRIVER 300 mm WAFERS Wafer Demand per Diameter in mn 300 mm equivalents CAGR 6% for 300 mm CAGR 1% for 200 mm Source: Siltronic estimates; 1CAGR = Compound Annual Growth Rate 7 Investor Presentation - October 2025 © Siltronic AG
Slide 8: Wafer Consumption 2025 Up to 8% on AI Momentum
WAFER CONSUMPTION 2025 UP TO 8% ON AI MOMENTUM INVENTORY HEADWINDS PERSIST BUT DECREASING Growth in wafer area consumption, in % yoy Split wafer consumption 2023 2024 2025 e by end use in 2024 (October) 22% Smartphones -2% 8% 3% 14% PCs -16% 2% 8% 15% Servers 11% 26% 23% 14% Industry 0% -5% 2% 17% A
Slide 9: Well-Diversified and Resilient Product Mix in All Three Semi-Segments
SILTRONIC HAS A WELL-DIVERSIFIED AND RESILIENT PRODUCT MIX IN ALL THREE SEMI-SEGMENTS Demand by segments in % of total demand in 2024 Leading Edge Supplier Memory 37% Power Leading position Logic 39% Power/Others 24% Market Source: Siltronic Marketing 9 Investor Presentation - October 2025 © Siltron
Slide 10: Megatrends Will Drive Wafer Demand
MEGATRENDS WILL DRIVE WAFER DEMAND Siltronic is well positioned to Autonomous support each vehicles & Digitalization megatrend Electromobility All segments will participate and Security Renewables Power with over proportional growth Key benefits Artificial from strategic focus on Industry 4.0 Leadin
Slide 11: Electromobility and AI Are Pushing Wafer Demand
FOR EXAMPLE: ELECTROMOBILITY AND AI ARE PUSHING WAFER DEMAND Silicon content between combustion engine and Silicon content between standard electrical vehicle server vs. AI server in cm² per server in cm² per car +60 to +100% Up to 8x Combustion 1 engine Electrical2 vehicle Standard Server AI Server
Slide 12: Flagship Project: Inauguration of New 300 mm Fab in Singapore
FLAGSHIP PROJECT: INAUGURATION OF OUR NEW 300 mm FAB IN SINGAPORE TOOK PLACE IN JUNE Facts EUR 2 billion capex until 2024, in 2025 clearly reduced Key prime customer qualifications completed EBITDA margin above 50%+ mid-term First time 300 mm epi in Singapore Up to 80% LTA share with high prepayment
Slide 13: In Freiberg We Further Improved Product Mix Fueled by Investments
IN FREIBERG WE FURTHER IMPROVED PRODUCT MIX FUELED BY INVESTMENTS Every 2nd to 3rd semiconductor in the EU is from this region Investments of more than EUR 1 bn since 1995 by Siltronic Leipzig Infineon TSMC GlobalFoundries Bosch First-class Dresden geographical position in light of EU ambitions Chem
Slide 14: Wafer Production Process
WAFER PRODUCTION PROCESS 14 Investor Presentation - October 2025 © Siltronic AG
Slide 15: Strong Focus on Growth Drivers R&D and Innovation
STRONG FOCUS ON GROWTH DRIVERS R&D AND INNOVATION R&D Partnering with leading innovation platforms R&D Innovation Strategy hub in Burghausen ○ Stay one generation ahead as a Technology Leader 450 R&D employees ○ Focus on Leading Edge and Power + = 1,900 ○ Find new business opportunities and expand o
Slide 16: Proven Track Record as a Technology Leader
SILTRONIC HAS A PROVEN TRACK RECORD AS A TECHNOLOGY LEADER 2002 2005 2007 2009 2011 2013 2016 2018 2020 2022 2024 65 nm 65 nm 45 nm 32 nm 22 nm 8 nm 10 nm 8 nm 5 nm 3 nm 2 nm 2004 2006 2008 2009 2012 2014 2016 2019 2021 2023 2025 45 nm 32 nm 22 nm 16 nm 10 nm 16 nm 5 nm 3 nm 2 nm A14 A10 R&D Start C
Slide 17: Key Ingot and Wafer Properties Define the Wafer Specification
A NUMBER OF KEY INGOT AND WAFER PROPERTIES DEFINE THE WAFER SPECIFICATION AND ITS FURTHER USE BY THE CUSTOMER DATA 17 Investor Presentation - October 2025 © Siltronic AG
Slide 18: Purity and Flatness Requirements for Wafers Are Extreme
PURITY AND FLATNESS REQUIREMENTS FOR WAFERS ARE EXTREME, AS SCALING THEM INTO THE MACRO WORLD SHOWS Particles Flatness Particle size specified in the nm range. Requirements 20 nm on a wafer are equivalent to the height of a leaf are equivalent to a maximum of 10 grains of sand on the surface of Lake
Slide 19: Outlook and Financial Strength
OUTLOOK AND FINANCIAL STRENGTH Increased risks due to indirect tariff and FX risks 19 Investor Presentation - October 2025 © Siltronic AG
Slide 20: Debt Structure Unchanged vs. Previous Quarter
DEBT STRUCTURE UNCHANGED VS. PREVIOUS QUARTER Debt financing instruments Maturity profile of debt financing in EUR million Prepayments in EUR million of EUR 50 mn expected to be refunded in the ∑ 2028 Syn loan 2025 2026 2027 next 12 months SGP – 2032 127 300 Syn loan 65 105 250 1.130 253 1,550 EIB 2
Slide 21: Focusing on What We Can Control: Capex, Costs and Cash
FOCUSING ON WHAT WE CAN CONTROL: CAPEX, COSTS AND CASH Major cost items 2025 Strict capex Cost Other cash discipline program measures Labor Depreciation From SD closure to Supplies Deferred capacity Full-scope cost comprehensive working spend, restrictive management, tackling capital management to p
Slide 22: Capex Discipline: Again Significant Reduction in 2025
CAPEX DISCIPLINE: AGAIN SIGNIFICANT REDUCTION IN 2025 Capex, in EUR million Capex 2025 Ongoing focus on new Fab in SGP 1,316 262 222 Further reduction 138 – 158 in H2 underlines Capex discipline 523 360 – 380 Investments are adapted to market environment 2023 2024 2025 e Avg H/24 H1/25 H2/25 e Chart
Slide 23: Comprehensive Initiatives Tackle All Cost Drivers
COMPREHENSIVE INITIATIVES TACKLE ALL COST DRIVERS Cost program in place Temporary headwind from ramp cost of new 300 mm Fab Headcount Significant reduction by 10% despite ramp of ○ Continuation of our track record in ○ Additional fixed costs from the new fab¹ successful cost reductions new fab, whic
Slide 24: Technological Leadership Recognized with Multiple Awards
SILTRONIC’S TECHNOLOGICAL LEADERSHIP AND EXCELLENCE RECOGNIZED WITH MULTIPLE AWARDS IN THE LAST 12 MONTHS Best Carbon EPIC Supplier BEST in Value Best Supplier Reduction Award Award Award Partner Award TSMC, December 2024 Intel, April 2025 Samsung, September 2025 SSMC, September 2025 24 Investor Pre
Slide 25: Guidance Confirmed and Specified
GUIDANCE CONFIRMED AND SPECIFIED Sales EBIT Mid-single digit below 2024 Significant decline EUR/USD 1.17 for H2 2025 (Previous: EUR/USD 1.15) EBITDA Margin Capex Between 22% and 24% Between EUR 360 and 380 mn (Previous: 21% and 25%) (Previous: EUR 350 and 400 mn) Depreciation Net cash flow Between E
Slide 26: ESG @ Siltronic
ESG @ SILTRONIC Clear commitment to an emission-free future 26 Investor Presentation - October 2025 © Siltronic AG
Slide 27: Enabling Technologies for a Sustainable Future
SILTRONIC IS ENABLING TECHNOLOGIES FOR A SUSTAINABLE FUTURE Power focus Leading edge focus Strategy on leading edge and Power chips are crucial for power wafers supports New chip generations sustainability strategy decarbonization and increase energy efficiency enable renewable and need less power e
Slide 28: Ambitious Targets and Global Commitments Keep Us Going
AMBITIOUS TARGETS AND GLOBAL COMMITMENTS KEEP US GOING Siltronic supports the Climate – Scope 1+2 10 principles of the UN Global Compact. CO2 emissions 2030: -42%1 We contribute to the sustainable 2045: Net zero2 development goals of the UN. Status 2024: -27% As a supplier to the electronics industr
Slide 29: Sustainability Highlights
SUSTAINABILITY HIGHLIGHTS USA: GERMANY: Construction of Power Purchase photovoltaic system Agreement starting completed in 2024 from 2024, with annual SINGAPORE: volume of 60 GWh RBA Platinum Award for results of sustainability audit in 2024 29 Investor Presentation - October 2025 © Siltronic AG
Slide 30: The Siltronic Executive Board
THE SILTRONIC EXECUTIVE BOARD Dr. Michael Heckmeier Claudia Schmitt Klaus Buchwald CEO CFO COO o CEO since May 2023 o CFO since July 2023 o COO since June 2024 o 25 years at Merck o 16 years at Siltronic o 21 years at Infineon o 11 years at Wacker Chemie AG o 4 years at Rohde & Schwarz o Studied phy
Slide 31: Executive Summary
EXECUTIVE SUMMARY 31 Investor Presentation - October 2025 © Siltronic AG
Slide 32: Key Takeaways – Clear Commitment to Profitable Growth
KEY TAKEAWAYS – CLEAR COMMITMENT TO PROFITABLE GROWTH AS A TECHNOLOGY LEADER Megatrends AI, Digitalization, Proven success in a cyclical and Electromobility will drive industry wafer demand to new levels New fab will improve our Clear commitment to R&D, position and drive growth Sustainability and I
Slide 33: Financial Calendar and Investor Relations Contact
Financial Calendar and Events Nov 12, 2025 Nov 13, 2025 Nov 18, 2025 Dec 1, 2025 Jan 19, 2026 Feb 3, 2026 Mar 12, 2026 MKK, MS TMT BNP Paribas Berenberg European Kepler, German Preliminary FY25 Munich Conference, Exane Investor Conference 2025, Corporate Conference, FY25 Results Results Barcelona Fi