Avantor Results Presentation Deck

2021 full year guidance Organic sales growth % Adjusted EBITDA % Adjusted EPS Free cash flow avantor M Original 4-7% -50bps expansion -30% growth ~$800M Post Q1 21 6-9% -40% growth Post Q2 21 -75bps expansion -150bps expansion ~$800M 9-11% -50% growth ~$850M Note: Guidance assumes Euro Exchange Rate of 1.18 & adjusted shares outstanding of 642.7 million. - - - Includes COVID-19 tailwinds of $350 $450M (~1-2%) Reported growth of 13 - 15% Top line growth Modest contribution from M&A ~$0.05 contribution from M&A Effective tax rate ~24% Continued strong conversion Incremental funding of growth initiatives 9

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