Avantor Results Presentation Deck

4 Regional Core Organic Growth & Adjusted EBITDA (Annual) USD in millions Navantor™ Americas GAAP consolidated net sales Core organic growth (decline) COVID Impact Organic growth (decline) M&A Impact FX Impact Reported net sales growth (decline) Adjusted EBITDA (non-GAAP) Adjusted EBITDA margin Adjusted EBITDA margin growth (-bps) Europe GAAP consolidated net sales Core organic growth (decline) COVID Impact Organic growth (decline) M&A Impact FX Impact Reported net sales growth (decline) Adjusted EBITDA (non-GAAP) Adjusted EBITDA margin Adjusted EBITDA margin growth (~bps) AMEA GAAP consolidated net sales Core organic growth (decline) COVID Impact Organic growth (decline) M&A Impact FX Impact Reported net sales growth (decline) Adjusted EBITDA (non-GAAP) Adjusted EBITDA margin Adjusted EBITDA margin growth (~bps) FY2020 $3,731 $ $45 119 $164 (17) $147 $ $1 24 $25 $802 21.5% 190 bps $ $25 123 $148 FY2020 $2,287 37 $185 % 1.3% 3.3% 4.6% 0.0% -0.5% 4.1% (3) $22 % 1.3% 5.8% 7.1% 0.0% 1.7% 8.8% $398 17.4% 50 bps FY2020 $375 % 0.2% 6.9% 7.1% 0.0% -0.9% 6.2% $ $330 121 $451 35 20 $506 FY2021 $4,237 $ $176 29 $978 23.1% 160 bps $206 85 % 8.8% 3.2% 12.1% 1.0% 0.5% 13.6% FY2021 $2,677 99 $391 $ $75 (13) $62 23 11 $96 % 7.7% 1.3% 9.1% 3.7% 4.2% 17.1% $539 20.1% 270 bps FY2021 $471 % 20.0% -3.4% 16.6% 6.2% 2.8% 25.6% FY2022 $4,471 $ $260 (145) $115 133 (14) $234 $1,077 24.1% 100 bps % 6.1% -3.4% 2.7% 3.1% -0.3% 5.5% FY2022 $2,517 $ $148 (124) $24 92 (276) ($161) $ $33 4 $37 43 (27) $53 % 5.5% -4.6% 0.9% 3.4% -10.3% -6.0% $524 20.8% 70 bps FY2022 $525 % 7.0% 0.8% 7.8% 9.1% -5.6% 11.3% FY2023 YTD $3,077 $ ($232) (110) ($343) (4) ($346) $711 23.1% -160 bps FY2023 YTD $1,817 $ ($56) (46) ($102) 19 ($82) % -6.8% -3.2% -10.0% 0.0% -0.1% -10.1% $336 18.5% -220 bps $ ($17) (19) ($36) % -2.9% -2.4% -5.3% 0.0% 1.0% -4.3% FY2023 YTD $351 (8) ($44) % -4.4% -4.8% -9.2% 0.0% -2.0% -11.2% $80 21.3% -170 bps $114 24.2% 290 bps $142 27.0% 280 bps Note: the sum of Americas, Europe, and AMEA does not equal Total, Avantor. Does not include corporate-level expenses $94 26.7% 110 bps 7

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