Avantor Results Presentation Deck

Key financial performance metrics ($M, except per share data) Q2 Results Adjusted EBITDA % YTD Results Adjusted EBITDA % Adjusted EBITDA $273 18.5% Q2'20 $536 17.9% YTD'20 +34.2%¹ +36.1%¹ avantor™ $367 19.7% Q2'21 $730 20.0% YTD'21 Adjusted EPS (Normalized share count)² $0.19 Q2'20 $0.36 YTD'20 +86.6% +93.8% $0.35 Q2'21 $0.70 YTD'21 Free cash flow $76 Q2'20 $316 YTD'20 +250.4% +19.3% 1. Including translation FX; Assuming FX rates of prior corresponding period, FX contributed -5.0% of growth in Q2 and ~4.5% YTD. 2. Assumes fully diluted average weighted shares outstanding of 642.7M for both periods. $265 Q2'21 $377 YTD'21 8

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