Investor Presentation FY 2020

Siltronic Outlook 2021 (as of March 1, 2021) Sales EBITDA margin Depreciation EBIT - mid to high single-digit percent increase - slight increase around EUR 155m to EUR 160m significant increase Tax rate - significantly below 10% CapEx Net cash flow - around EUR 250 million (mainly in 300 mm epi, capabilities and expansion of crystal pulling hall to replace older equipment) slight improvement Earnings per share (siltronic perfect silicon solutions - slight increase Siltronic AG - Investor Presentation FY 2020 March 9, 2021 29 of 32

View entire presentation