Avantor Results Presentation Deck

2021 full year guidance Organic sales growth % Adjusted EBITDA % Adjusted EPS Free cash flow avantor™ Initial Guidance 4-7% ~50bps Expansion -30% Growth ~$800M Post Q2'21 9-11% ~150bps Expansion ~50% Growth ~$850M Revised FY21 10-11% >170bps Expansion ~55% Growth ~$850M Note: Guidance assumes Euro Exchange Rate of 1.15 & adjusted shares outstanding of 642.7 million. Includes COVID-19 tailwinds of -$400M (-2%) Reported growth of 14.5% to 15.5% Reflects revised organic sales growth M&A 20bps - 30bps Updated for M&A, FX and lower tax rate Continued strong conversion Incremental funding of growth initiatives 9

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