Avantor Results Presentation Deck

Q2 performance Core organic revenue growth Adjusted EBITDA growth Adjusted net income growth Free cash flow Adjusted net leverage Navantor™ 6.4% 10.2% 11.1% $191.2M 3.9X Robust growth against challenging comparison ->20% core organic growth in bioproduction - >140 bps margin expansion Mix, inflation management, and M&A - >50% increase in growth-related CapEx Continued strong conversion - Strong operating performance Modest incremental interest to support M&A Down from 4.0X at Q1'22 Committed to 2-4X target leverage Note: Organic growth is reported growth excluding the impacts from any acquired or disposed businesses and changes in foreign currency exchange rates. Core organic growth is organic growth net of COVID impact. 5

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