Amsterdam · May 2, 2020

Annual General Meeting 2020

Adyen N.V. (the Company) is pleased to invite its shareholders for the Virtual Annual General Meeting (General Meeting) to be held on May 26 2020 at 10:00 hours (CEST).

Adyen has convened its General Meeting on 10 April 2020 in the form of a Hybrid General Meeting which would be converted into a fully Virtual General Meeting as soon as the emergency Bill on fully virtual General Meetings is adopted by the Dutch Parliament and such Bill is effective. Adyen confirms that such Bill is effective and therefore the General Meeting to be held on May 26 2020 is hereby converted into a fully virtual General Meeting all in accordance with the Bill. This means that no visitors or shareholders can attend in person, but there will be a live webcast of the AGM. Adyen will remain monitoring any developments closely and shareholders are advised to regularly check www.adyen.com/ir for updates until the date of the General Meeting. Adyen encourages its shareholders to make use of the possibility to give a voting instruction in advance of the General Meeting. Further, shareholders will have the possibility to ask questions (i) during the General Meeting and (ii) prior to the General Meeting by submitting questions up to 72 hours prior to the General Meeting (for further information, please see section “Additional information”).

Number of outstanding shares: The number of outstanding shares on April 10 2020, the convocation date, was 30,198,030. The number of outstanding shares on April 28 2020, the record date, was 30,202,976.