Driving Sustainable Economies

Industry & Water: Record-high operative EBITDA Market environment in Q3 2023 REVENUE AND ORGANIC REVENUE GROWTH (Y-ON-Y) EUR million 435 • Water treatment: solid demand in municipal water treatment, softness in industrial demand 374 322 301 298 279 237 IIIIII 412 402 419 425 Solid Oil & Gas market, shale market consolidation continuing Organic growth Q3 2023: +3%; 1-9 2023: +13% • • Organic growth driven by Oil & Gas. Revenue in water treatment decreased by 5%, in Oil & Gas increased by +4% Sales prices increased, while sales volumes were stable. Sales volumes increased in Oil & Gas following successful product launches; water treatment sales volumes declined. Record-high operative EBITDA: EUR 91.5 million . • Operative EBITDA margin improved to 21.5% following strong performance in water treatment Continued year-on-year margin improvement in the Oil & Gas business Kemira OCTOBER 24, 2023 INVESTOR PRESENTATION 24% 14% 3% -7% 28% 23% 23% 31% 26% 33% 32% Q1 Q2 2021 2022 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 2023 OPERATIVE EBITDA AND OPERATIVE EBITDA-% EUR million 91.5 83.3 85.8 66.1 60.3 49.5 52.3 41.7 17.6% 17.7% 17.4% 48.8 48.5 37.3 12.5% 20.7% 20.5% 21.5% 15.2% 13.0% 13.9% 16.1% Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 2021 2022 Q1 Q2 Q3 2023 62

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