Investor Presentation Q2 2023

Consolidated market with 5 major wafer manufacturers Top 5 wafer producers serve up to 90% of the market across all diameters 14% ■SK Siltron ■ Siltronic ■Shin Etsu ■Sumco GlobalWafers Siltronic AG - Investor Presentation Q2 2023 (siltronic perfect silicon solutions July 27, 2023 siltronic perfect silicon solutions Source: Siltronic Estimates 2022 5

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