Investor Presentation Q3 2020

Strong Euro and change in product mix negative for earnings EBITDA, in EUR m / EBITDA margin, in % Depreciation, in EUR m 30.5 29.6 31.1 28.1 26.8 91.5 90.0 84.2 100.4 80.1 Q3 2019 Q4 Q1 2020 Q2 Q3 -27.9 Q3 2019 -33.3 -30.9 -33.5 -36.5 Q4 Q1 2020 Q2 Q3 EBIT, in EUR m / EBIT margin, in % Comments 21.2 20.7 18.6 17.8 14.6 63.6 56.7 66.9 53.3 43.6 Q3 2019 Q4 Q1 2020 Q2 Q3 (siltronic Siltronic AG - Investor Presentation Q3 2020 October 29, 2020 perfect silicon solutions. Strong headwind from EUR strength Negative impact from product mix in Q3 ▸ Depreciation increased as scheduled q-o-q 18 of 34

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