Avantor Results Presentation Deck

2023 full-year guidance Vavantor™ XNDS -2000 Navo METRIC Core Organic Revenue Growth Adj. EBITDA Margin Expansion Adj. EPS¹ Free Cash Flow FY 2023 GUIDANCE AS OF Q2 2023 -6.5% to -4.5% (-9% to -7% organic) -200 to -150 bps (18.9% -19.4% margin) $1.04 - $1.12 $600 - $675M FY 2023 guidance (current) based on estimate for FY blended USD/EUR exchange rate of 1.07. Organic growth is reported revenue growth excluding the impacts from changes in foreign currency exchange rates. Core organic growth is organic growth net of COVID-19 impact. 1. Adj. EPS estimate based on US GAAP diluted share count of ~680M. FY 2023 GUIDANCE CURRENT -6.0% to -5.0% (-8.5% to -7.5% organic) -240 to -215 bps (18.5% -18.8% margin) $1.02 - $1.06 $625 - $675M 8

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