Avantor Investor Conference Presentation Deck

Executing successful deleveraging strategy NET LEVERAGE 7.0X Pre-IPO -3.5X 2022E Navantor™ INTEREST EXPENSE ~$520M Pre-IPO ~$260M 2022E Note: 2022E data based on full year guidance as of Q3 earnings call. 1. Comparing pre-IPO to 2022E based on management estimate. Cost of debt improved from -7% to ~4% DELEVERAGING remains a top priority 41st Annual J.P. Morgan Healthcare Conference 9

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