Avantor Investor Conference Presentation Deck

Avantor has transformed significantly... LEGACY CURRENT Navantor™ Growth ~3%1 ~6%³ PERFORMANCE Adj. EBITDA Margin 1. 2016 VWR Form 10-K 2. As of 11/21/17 transaction 3. FY18-FY20 organic revenue CAGR 4. Q3'20 Actual 5. Estimate for 2020 6. As of 1/1/21 ~10%1 17.9%4 Proprietary Content ~20%1 ~50%5 Leverage 9.0x² 4.2x4 GOVERNANCE Independent BOD Members 22 86 Legacy Sponsor Ownership >80%² <5%6 39th Annual J.P. Morgan Healthcare Conference 4

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