Avantor Investor Conference Presentation Deck

Enabling scientific breakthroughs with comprehensive offering Increasing proprietary content enhancing growth and margins OFFERING SUMMARY¹ WORKFLOW SOLUTIONS Enabling scientists to achieve precise analytical results Navantor™ KF Equipment & Instrumentation Services & Specialty Procurement 12% 13% >55% Proprietary 37% Proprietary Materials & Consumables 1. Based on management estimate assuming all M&A as of 1/1/21 38% Third-Party Materials & Consumables CUSTOMIZED MATERIALS Working side-by-side to create customized materials for use in highly regulated, demanding applications 40th Annual J.P. Morgan Healthcare Conference 5

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