Avantor Investor Presentation Deck

Q1 revenue growth by region Reported revenue in $M $1,143M Q1'22 Q1 core organic growth: X.X% Reported revenue growth AMERICAS ~60% of sales -9.7% -3.7% Navantor™ $1,032M Q1'23 $680M Q1'22 EUROPE -35% of sales -7.4% +1.0% $630M Q1'23 Note: Organic growth is reported revenue growth excluding the impacts from changes in foreign currency exchange rates. Core organic growth is organic growth net of COVID-19 impact. $127M Q1'22 AMEA ~5% of sales -6.7% +1.0% $118M Q1'23 6

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