Avantor Results Presentation Deck

2021 full year guidance Organic sales growth % Adjusted EBITDA % Adjusted EPS Free cash flow avantor M 4-7% ~50bps expansion ~30% growth ~$800M - - - - - Reported growth 6-10% Includes COVID tailwinds of $250M-$350M+ (vs. $250M-$300M 2020) Commercial excellence, productivity, mix Disciplined execution underpinned by ABS Interest expense $196M (vs. $308M 2020) Effective tax rate 24% Continued strong conversion Incremental funding of growth initiatives Note: Guidance assumes Euro Exchange Rate of 1.22 & adjusted shares outstanding of 642.7 million. 11

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