Investor Presentation Q2 2023

A broad product portfolio covers standard and leading-edge requirements of the customers Portfolio ~66% Ø 300 mm Process CZ Products Double side polished wafer Epitaxial wafer Ultimate Silicon™ Main Applications Memory, Logic, Analog Portfolio 34% Ø 125-200 mm + SD Process CZ + FZ Standard products Polished wafer, Epitaxial wafer, Cut/lapped/etched wafer Special products Lowly-doped and highly-doped wafer Main Applications Logic, Analog, Discretes, Micro-processors, Image Sensors, Power- and Optoelectronics, IGBTs (siltronic perfect silicon solutions Siltronic AG- Investor Presentation Q2 2023 July 27, 2023 Note: CZ: Czochralski crystal growing, FZ: float zone technology

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