Avantor Results Presentation Deck

Segment Adjusted EBITDA Q3 Results Adjusted EBITDA % $204 Adjusted EBITDA % 21.4% Q3'20 YTD Results $591 21.8% YTD'20 Americas +15.7%¹ +24.6%1 avantor™ $236 22.6% Q3'21 $740 23.5% YTD'21 1. $98 17.5% Q3'20 $278 17.1% YTD'20 Europe +36.4%1 +32.9%1 $136 20.1% Q3'21 $390 19.6% YTD'21 $21 22.7% Q3'20 $57 21.2% YTD'20 AMEA +37.5%1 +36.1%¹ $30 25.7% Q3'21 $81 23.9% YTD'21 Ex translation FX; assumes FX rates of prior corresponding period to adjust for translation FX impact. As reported EBITDA does not reflect impact of foreign exchange due to modest impact 12

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