Investor Presentation Q1 2022

_ Avantium | Investor Presentation Q1 2022 This presentation has been prepared by Avantium N.V. (the "Company"). For the purposes of this notice, the presentation that follows (the "Presentation") shall mean and include the slides that follow, the oral presentation of the slides by the Company, the question-and-answer session that follows that oral presentation, hard copies of this document and any materials distributed at, or in connection with, that presentation. Some of the statements in this Presentation constitute forward-looking statements. These statements involve known and unknown risks, uncertainties and other factors that may cause the Company's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements. Forward-looking statements relate to future events or the Company's future financial performance. In some cases, forward-looking statements can be identified by terminology such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential" or "continue" or the negative of such terms or other comparable terminology. These statements are only predictions. Actual events or results may differ materially. In evaluating these statements, various risk factors should be taken into account. Risk factors may cause actual results to differ materially from any forward-looking statement. Although the Company believes that the expectations reflected in the forward looking statements are reasonable, the Company cannot guarantee future results, levels of activity, performance or achievements. Moreover, neither the Company nor any other person assumes responsibility for the accuracy and completeness of such statements. The Company is under no duty to update any of the forward-looking statements after the date of this Presentation or to conform such statements to actual results. The information contained in this Presentation is for information purposes only. The information does not constitute or form part of, and should not be construed as, an offer to sell or issue, or a solicitation of any offer to buy or subscribe for any securities of the Company in any jurisdiction, and is not for publication or distribution in the US or to persons in the US (within the meaning of Regulation S under the US Securities Act of 1933 (the "Securities Act")), Canada, Japan, Australia or any other jurisdiction where such distribution or offer is unlawful. The Company does not intend to register any portion of the offering in the United States or to conduct a public offering of any securities in the United States. Subject to certain limited exceptions, neither this Presentation nor any copy of it may be taken, transmitted or distributed, directly or indirectly, into the US, its territories or possessions. The distribution of this Presentation in other jurisdictions may be restricted by law and persons into whose possession this Presentation comes should inform themselves about, and observe, any such restrictions. Disclaimer 2

View entire presentation