Avantor Results Presentation Deck

● M&A update MASTERFLEX Integration activities on schedule, successful ERP transition for EU and AMEA ● Transaction updates Component availability and China lockdown impacted Q2 revenue; order book remains very strong RITTER MASTERIES Launched Masterflex MasterSense Bulk Transfer pump, additional product launches planned for 2H First year complete Weaker Euro and stronger COVID headwinds Good traction on new product introductions and commercial synergies avantor™ Revenue Adj. EBITDA Adj. EPS M&A contribution¹ Q2'22 Actual $102M $32M $0.01 FY 2022 Estimate² >$450M >$155M >$0.06 Ongoing conviction in strategic and financial rationale for acquisitions 1. Financial contribution from 3 entities acquired in 2021 (Masterflex, Ritter, RIM Bio). Includes legacy Masterflex sales through Avantor channel. 2. Updated to reflect FY blended USD/EUR exchange rate of 1.06 (current estimate) versus 1.09 (estimate at time of Q1 earnings call). M&A headwinds: ● Foreign exchange COVID ramp down China lockdowns & supply chain 10

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