Investor Presentation Q3 2020

Working capital significantly up due to higher trade receivables and lower trade liabilities Working capital, in EUR m Inventories and contract assets, in EUR m Working capital ratio to quarterly sales, in % Inventories Contract assets 73 69 60 58 55 19.2 14.6 14.6 14.2 15.2 207.0 218.1 168.3 179.6 188.6 164.6 152.8 154.6 160.9 154.1 Sep 19 Dec 19 Mar 20 Jun 20 Sep 20 Sep 19 Dec 19 Mar 20 Jun 20 Sep 20 Trade receivables, in EUR m Trade liabilities, in EUR m 135.7 127.7 120.6 130.6 141.3 Sep 19 Dec 19 Mar 20 Jun 20 Sep 20 -112.5 -126.8 -110.2 -117.1 -92.5 Sep 19 Dec 19 Mar 20 Jun 20 Sep 20 Siltronic AG - Investor Presentation Q3 2020 (siltronic October 29, 2020 perfect silicon solutions. 20 of 34

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