Investor Presentation Q2 2023

Inventory reductions at multiple levels of the value chain are anticipated to reduce wafer demand by around 15% Composition of growth drivers for wafer market 2023 vs. 2022, in % -1 % Total end markets Siltronic AG- Investor Presentation Q2 2023 (siltronic perfect silicon solutions July 27, 2023 Inventory reduction at - customers and OEMs ~ -15% 2023E O Siltronic AG Source: Siltronic estimates 24

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