Investor Presentation Q2 2023

FabNext: Production to start in early 2024, detailed ramp timing depends on market reality siltronic On track, production to start in early 2024 Ramp speed for 2024 and 2025 slightly reduced according to market reality Focus on qualifying customers High share of LTA, 80% during ramp phase (siltronic perfect silicon solutions Siltronic AG - Investor Presentation Q2 2023 July 27, 2023 ミ Advantages: High automation, high EPI share, Economies of Scale, State of the art 7 Most cost efficient Siltronic fab mid-term € EBITDA-Margin above 50% mid-term (Marginal EBITDA impact in 2024) Group Margin improvement, more and more from new fab in Singapore O Siltronic AG Source: Siltronic 29

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