Q2/2023 Investor Presentation

Four Year View on Consolidated Income Statement¹ AIXTRON (EUR million) FY/22 FY/21 FY/20 FY/19 Revenues 463.2 429.0 269.2 259.6 Cost of sales 267.9 247.5 161.0 150.9 Gross profit 195.3 181.5 108.3 108.7 Gross margin 42% 42% 40% 42% Selling expenses 11.2 10.0 9.7 9.9 General & admin expenses 29.2 25.4 18.0 16.5 R&D 57.7 56.8 58.4 55.0 Net other operating income (7.6) (9.7) (12.6) (11.6) EBIT 104.7 99.0 34.8 39.0 EBIT margin 23% 23% 13% 15% Net result 100.5 94.8 34.5 32.5 1 Rounded figures; may not add up 16

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