Avantor Results Presentation Deck

Q2 key financial performance metrics Adjusted EBITDA % ● Adjusted EBITDA $367M 19.7% Q2'21 +10.2% $404M avantor™ 21.2% Q2'22 Adjusted EBITDA contributions: 6.1% organic, 8.2% M&A Partially offset by ~4% FX headwind¹ ● Adjusted net income $226M Q2'21 +11.1% $251M Q2'22 Q2'22 Adjusted EPS of $0.37 Adjusted net income growth of ~15% when adjusted for FX¹ ● Free cash flow $265M Q2'21 -27.9% $191M 1. FX adjustment calculated based on FY blended USD/EUR exchange rate of 1.06 (current estimate) versus 1.20 (estimate at time of Q2'21 earnings call). Q2'22 Double digit earnings growth Offset by growth investments and timing of tax & interest payments 9

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