Avantor Results Presentation Deck

Disclaimer FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements. All statements other than statements of historical fact included in this presentation are forward-looking statements. Forward-looking statements discuss our current expectations and projections relating to our financial condition, results of operations, plans, objectives, future performance and business. These statements may be preceded by, followed by or include the words "aim," "anticipate," "believe," "estimate," "expect," "forecast," "intend," "likely," "outlook," "plan," "potential," "projection," "continue," "goal," "objective," "opportunity," "near-term," "long-term," "assumption," "project," "guidance," "target," "trend," "seek," "can," "could," "may," "should," "would," "will," the negatives thereof and other words and terms of similar meaning. Forward-looking statements are inherently subject to risks, uncertainties and assumptions; they are not guarantees of performance. You should not place undue reliance on these statements. We have based these forward-looking statements on our current expectations and projections about future events. Although we believe that our assumptions made in connection with the forward-looking statements are reasonable, we cannot assure you that the assumptions and expectations will prove to be correct. Factors that could contribute to these risks, uncertainties and assumptions include, but are not limited to, the factors described in "Risk Factors" in our most recent annual report on Form 10-K and subsequent quarterly reports on Form 10-Q. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the foregoing cautionary statements. In addition, all forward-looking statements speak only as of the date of this presentation. We undertake no obligations to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise other than as required under the federal securities laws. Navantor™ NON-GAAP FINANCIAL MEASURES To evaluate our performance, we monitor a number of key indicators at the consolidated level and, in certain cases, at the segment level. As appropriate, we supplement our results of operations determined in accordance with U.S. generally accepted accounting principles ("GAAP") with certain non-GAAP financial measurements that are used by management, and which we believe are useful to investors, as supplemental operational measurements to evaluate our financial performance. These measurements should not be considered in isolation or as a substitute for reported GAAP results because they may include or exclude certain items as compared to similar GAAP-based measurements, and such measurements may not be comparable to similarly-titled measurements reported by other companies. Rather, these measurements should be considered as an additional way of viewing aspects of our operations that provide a more complete understanding of our business. We do not provide GAAP financial measures on a forward-looking basis because we are unable to predict with reasonable certainty and without unreasonable effort items such as acquisition-related charges, the costs associated with integrating acquired businesses, the timing and amount of future restructuring actions, and the early retirement of debt. We strongly encourage investors to review our consolidated financial statements in their entirety and not rely solely on any one, single financial measurement. See "Use of Non-GAAP Financial Measures" in our press release issued earlier today. A reconciliation of non-GAAP measures is included in the supplemental disclosures package at the embedded hyperlink and on our investor relations website at ir.avantorsciences.com. 2

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