Avantor Results Presentation Deck

Q3 revenue by region Reported revenue in $M $1,123 Q3'22 Q3 core organic growth: X.X% Reported revenue growth AMERICAS -60% of sales -9.3% -7.9% Navantor™ $1,019 Q3'23 $595 Q3'22 EUROPE -35% of sales -2.6% -8.6% $580 Q3'23 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. $138 Q3'22 AMEA ~5% of sales -12.3% -5.4% $121 Q3'23 6

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