Investor Presentation FY 2020

Siltronic has a relevant global market share... Top 5 wafer producers serve more than 90% of market across all diameters 25% 17% 13% 13% 32% SK Siltron Siltronic ■Shin Etsu ■Sumco ■GlobalWafers (siltronic Siltronic AG - Investor Presentation FY 2020 perfect silicon solutions March 9, 2021 (siltronic perfect silicon solutions Sources: reported company revenues Q1-Q3 2020, converted to USD million 3 of 32

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