Chain Reaction 2030

Disclaimer Avantium | Investor Presentation H2 2021 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. 2

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