Avantor Results Presentation Deck

2021 full-year results Organic revenue growth Adjusted EBITDA margin expansion Adjusted EPS growth Free cash flow avantor™ Initial Guidance 4-7% Post Q3'21 -30% 10-11% Final FY21 ~50 bps >170 bps ~190 bps ~55% 11.3% 57.7% ~$800M ~$850M $920M Core growth 9.2%; COVID-19 tailwinds 2.1% Reported growth of 15.5% Mix, inflation management, and productivity M&A impact ~30 bps Operational strength Lower interest payments Continued strong conversion >100%¹ Incremental funding of growth initiatives Note: Guidance assumed Euro Exchange Rate of 1.15 & adjusted shares outstanding of 642.7 million 1: Free cash flow conversion is defined as free cash flow / Adjusted Net Income 5

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