Avantor Results Presentation Deck

Key financial performance metrics ($M, except per share data) Q3 Results Adjusted EBITDA % YTD Results Adjusted EBITDA % Adjusted EBITDA $286 17.8% Q3'20 $822 17.9% YTD'20 +25.8%1 +32.5%1 avantor™ $359 19.6% Q3'21 $1,089 19.9% YTD'21 Adjusted EPS (Normalized share count)² $0.24 Q3'20 $0.60 YTD'20 +47.6% +75.5% $0.35 Q3'21 $1.06 YTD'21 Free Cash Flow $266 Q3'20 $582 YTD'20 -13.8% +4.1% 1. Including translation FX; Assuming FX rates of prior corresponding period, FX contributed ~0.9% of growth in Q3 and ~3.3% YTD. 2. Assumes fully diluted average weighted shares outstanding of 642.7M for both periods. $229 Q3'21 $606 YTD'21 8

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