Investor Presentation Q1 2022

Avantium: experienced leadership team Management Team Education: Chemistry (Utrecht) and Economics (Amsterdam) Selected previous / other positions: Now: several advisory positions, such as Top Team Chemie Education: Law (Leiden) and MBA (Boston) Selected previous / other positions: Now: Supervisory Board Sanquin 2012-2019: CFO at Centrient Pharmaceuticals 2003-2012: CFO at DSM Resins 2002-2003: CFO at Kiadis Pharma Tom van Aken CEO 1999-2002: Director Business development at DSM Bart Welten CFO (@Avantium since 2002) (@Avantium since 2020) 1997-1999: Sales manager at DSM Avantium | Investor Presentation Q1 2022 Gert-Jan Gruter Carmen Portocarero CTO (@Avantium since 2000) General Counsel (@Avantium since 2012) Bas Blom Managing Director Renewable Polymers (@Avantium since 2021) Supervisory Board Edwin Moses, Chairman Former CEO Ablynx NV and Oxford Asymmetry International Margret Kleinsman Michelle Jou CFO Agrifirm President Covestro Polycarbonates Business Cynthia Arnold Trudy Schoolenberg Nils Björkman Eelco Blum Managing Director Renewable Chemistries a.i. (@Avantium since 2017) Former CTO Sun Chemical and Valspar Steven Olivier Managing Director Catalysis (@Avantium since 2015) Held various senior management positions at Shell and AkzoNobel Worked for 33 years in various senior management positions at Tetra Pak Group 37

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