Avantor Investor Conference Presentation Deck

Reconciliations of GAAP to non-GAAP measures ($M) Net sales growth (GAAP) Foreign currency impact Sales from acquired companies Organic net sales growth (non-GAAP) Full Year 2018 $465.61 91.5 $374.1 8.6% 1.7 6.9% Full Year 2019 $176.0 (123.3) $299.3 3.0% (2.1) 5.1% 1. Change in reported net sales from 2017 to 2018 is calculated assuming the VWR acquisition had occurred on January 1 of 2017. As disclosed in our original S-1, 2018 reported net sales were $5,864.3, compared to 2017 reported net sales of $1,247.4, adjusted for baseline VWR net sales of $4,151.3. Navantor™ Full Year 2020 $353.3 16.5 $336.8 5.8% 0.2 5.6% 9 months ended 9/30/2021 $875.8 150.0 50.8 $675.0 19.0% 3.3 1.1 14.6% 40th Annual J.P. Morgan Healthcare Conference 23

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