Investor Presentation Q2 2023

End markets are expected to stagnate in 2023 (before inventory effects) Consumption of wafers by end use 2022, in % Smartphones 22 22 Growth in demand for wafer area 2023 vs. 2022, in % -3 PCs Server 11 Industrial 17 16 Automotive 14 Others¹ (siltronic perfect silicon solutions 20 20 -17 -1 Total: -1 2 10 17 Source: Siltronic estimates, 1 Infrastructure Telecommunications, game consoles, consumer electronics such as televisions, white goods such as refrigerators Siltronic AG - Investor Presentation Q2 2023 July 27, 2023 O Siltronic AG 23

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