Investor Presentaiton

Record sales due to higher prices and FX tailwind in 2022 Sales, in EUR mn 474.0 472.1 Ø FX rates Q4 Q1 Q2 Q3 Q4 21 22 442.2 417.0 376.6 EUR/ 1.14 1.12 1.07 USD 1.01 1.02 EUR/ 130 130 138 139 144 JPY Q4 2021 Q1 2022 Q2 2022 Q3 2022 Q4 2022 (siltronic perfect silicon solutions Siltronic AG - Investor Presentation FY 2022 March 9, 2023 Comments ▸ Positive ▸ ASP in EUR up y-o-y ▸ Favorable FX y-o-y ▸ Wafer area sold slightly up y-o-y O Siltronic AG 22 222

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