Investor Presentation FY 2020

Increasing demand for electronic devices and new applications drive semiconductor growth, which in turn fuels silicon demand. Electronics Value Chain 2020 Electronics USD 1,650 bn Semiconductors USD 429 bn Semiconductor silicon wafers USD 11.2 bn Silicon for electronic applications USD 1.2 bn siltronic perfect silicon solutions Source: Electronics (IC Insights), Semiconductors (WSTS, only silicon-based), Silicon wafers (SEMI SMG), Electronic applications (estimate) (siltronic Siltronic AG - Investor Presentation FY 2020 perfect silicon solutions March 9, 2021 2 of 32

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