Avantor Results Presentation Deck

Q3 adjusted P&L USD in millions Reported Revenue Core organic growth Adj. Gross Profit Adj. Gross Profit % Adj. EBITDA Adj. EBITDA % Adj. Earnings Per Share Free Cash Flow Adj. Net Leverage Navantor™ Q3 2022 $1,856.5 7.8% $650.7 35.0% $384.0 20.7% $0.34 $219.3 3.6X Q3 2021 $1,834.3 8.5% $622.2 33.9% $359.2 19.6% $0.35 $229.3 3.5X - - Note: Core organic growth is organic growth net of COVID impact. 1. FX headwinds calculated based on Adj. EBITDA, net of tax impact for Adj. NI. 2. Conversion: Free cash flow / Adj. Net Income. COMMENTS FX impact: (5.8%), COVID impact: (3.3%) Double digit core organic growth in bioproduction and AT/AM Expansion of 110 bps, driven by proprietary growth Growth of 12.8%, excluding FX headwinds¹ Adj. Net Income growth of 8.8%, excluding FX headwinds¹ Conversion of ~95%² Working capital investments to mitigate global supply chain risks Current bias to continued deleveraging 4

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