Avantor Investor Conference Presentation Deck

Strong execution in challenging environment ORGANIC GROWTH FREE CASH FLOW Navantor™ Q4 2020 estimate -15% >$270M 1. Guidance issued February 7, 2020, withdrawn on April 29, 2020 FY2020 estimate ~5% >$850M Original FY2020 guidance¹ 4-6% $450M-$500M Core growth 1% plus COVID tailwinds 4% Improvement in core growth from ~(8%) Q2 to +5% Q4 Strong working capital management Reduced cost of debt by nearly 50% 39th Annual J.P. Morgan Healthcare Conference 9

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