Avantor Results Presentation Deck

8 Adjusted EPS (Annual) (Dollars and shares in millions except EPS) Diluted share count (GAAP) Incremental shares excluded for GAAP Normalization Diluted share count (non-GAAP) Diluted EPS (GAAP) Dilutive impact of convertible instruments Diluted EPS (non-GAAP) Amortization Loss on extinguishment of debt Net foreign currency loss (gain) from financing activities Other stock-based compensation (benefit) expense Acquisition-related expenses² Integration related expenses³ Purchase accounting adjustments⁹ Restructuring & severance charges5 Receipt of disgorgement penalty Reserve for certain legal matters Impairment charges Income tax benefit applicable to pretax adjustments Adjusted EPS (non-GAAP) Navantor™ $ $ $ FY2020 583 shares 63 (4) 643 shares $ 0.09 0.09 0.18 0.48 0.54 0.03 0.01 TOO (0.35) 0.89 $ $ $ FY2021 600 shares 63 (20) 643 shares $ 0.85 0.04 0.89 0.45 0.03 0.12 0.03 0.01 -OO (0.02) (0.10) 1.41 $ $ $ FY2022 679 shares 679 shares $ 1.01 1.01 0.47 0.01 0.01 0.03 0.01 0.01 (0.14) 1.41 $ $ FY2023 YTD 678 shares 678 shares $ 0.33 0.33 0.34 0.01 0.03 0.01 0.24 (0.14) 0.82 11

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