Investor Presentaiton

Strengthening the foundation and improving profitability Organic growth / expansion of site Start-up of Ortigueira sodium chlorate site (BR) Bradford polymer expansion (UK) San Giorgio polymer expansion (IT) Acquisition Chevron CEOR deal & Botlek expansion Start-up of Joutseno chlorate expansion (FI) Major oil sands tailings water treatment deal (CA) Operational efficiencies Closure of site / divestment AKD wax manufacturing JV deal closed (CN) Start-up of new AKD wax site (CN) Polymer investment decision, Mobile (US) Joint Venture - Dry polymers (SK) Ramp-up of of new AKD wax site (CN) Ramp-up of of Botlek polymer facility (NL) Eastover Bleaching extension start-up (US) 2020 Operative EBITDA 2015: 12.1% 2016 Transportation agreement with Odyssey Botlek modernization (NL) BOOST operational excellence program launch Closures of Ottawa (CA) and Zaramillo (ES), coagulants 2017 Two segment structure operational Odyssey go-live in North America 2018 'Value over volume' initiated Odyssey go-live in Europe Closing of ECOX detergent production (SWE) 2019 Move from 'Value over volume' to 'Active price management' Cost savings in Pulp & Paper Divestment of coagulant asset (IT) Divestment of Kemira Operon (water treatment facility operations, FI) Operative EBITDA Q1 2021: 17.3% Chlorate and peroxide expansion on-going in Fray Bentos (UY) - Goole coagulant expansion (UK) on-going Raw material flexibility: Coagulants to Magnetite - Bradford AN purification Kemira APRIL 27, 2021 INVESTOR PRESENTATION 17

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