Avantium N.V.

Pre-Annual General Meeting Information • Apr 2, 2025

Avantium Releases Agenda For 2025 Annual General Meeting

AMSTERDAM, 1 April 2025, 18:00 hrs CET – Avantium N.V., a leading company in renewable and circular polymer materials, has published its agenda for the upcoming Annual General Meeting of Shareholders (AGM), to be held on Wednesday 14 May 2025, 14:00 CEST at Wicked Grounds, Schipluidenlaan 4, 1062 HE Amsterdam, the Netherlands. The meeting documents, consisting of the AGM agenda and the explanatory notes, the 2024 Annual Report and the 2024 Remuneration Report, are available on the Avantium website: https://avantium.com/shareholders-meetings/.

The agenda of the 2025 AGM includes a number of key topics and proposals crucial to Avantium's strategic direction and future growth. These include a proposal to authorise the Management Board to issue ordinary shares up to the statutory maximum of the authorised share capital, a request for approval of a share consolidation and the re-appointment of (a) Tom van Aken as a member of the Management Board and CEO and (b) Margret Kleinsman as a member of the Supervisory Board.

Financing

Avantium will ask its shareholders to grant the Management Board the authority to issue ordinary shares up to the statutory maximum of the authorised share capital, and to limit or exclude preemptive rights in respect thereof, for a period of 18 months from the AGM date. This will give the Company the flexibility to quickly respond to opportunities and challenges, especially with the startup of its first-of-a-kind FDCA Flagship Plant and the rollout of its licensing strategy. Granting this authority will allow the Company to raise capital more efficiently, reduce costs and speed up important processes to help achieve its goals. The Management Board will only utilise this mandate when necessary, and will need Supervisory Board approval to use such mandate, always ensuring that they believe that any share issuance is in the best interests of the Company and its shareholders.

Avantium intends to raise approximately €40 million in equity capital before the summer of 2025 to ensure that the Company remains well capitalised to support the rollout of the FDCA/PEF commercialisation and licensing strategy. Avantium will provide further details about the intended capital raise, including the exact timeline and specific terms, in due course.

Share consolidation

Avantium proposes to consolidate 10 shares into 1. This means that 10 (ten) ordinary shares will be consolidated into 1 (one) ordinary share. The purpose of the proposed share consolidation is to increase the market value per ordinary share. Immediately following the share consolidation, the share price will be ten times higher than the share price prior to the share consolidation.

Re-appointments

As announced previously, the Supervisory Board will nominate Tom van Aken for re-appointment as CEO and Management Board member for an additional term of four years, ending at the close of the AGM to be held in 2029. The Supervisory Board believes that the knowledge, experience and network of Tom van Aken are instrumental to maintaining the necessary momentum as Avantium moves forward.

The Supervisory Board nominates Margret Kleinsman for re-appointment as a member of the Supervisory Board for a third term of two years following her two four-year tenures. To ensure continuity, the Supervisory Board believes that it is important for the functioning of the Supervisory Board to retain the experience that Margret Kleinsman brings, also as Chair of the Supervisory Board's Audit Committee.

Q&A session

Avantium will organise an online Q&A session on Wednesday 23 April 2025 at 20:00 CEST, featuring CEO Tom van Aken, interim CFO Bert Cornelese and CTO Gert-Jan Gruter. In anticipation of the upcoming AGM, this event will give retail investors the opportunity to gain valuable insights into Avantium's strategic direction, recent developments and future plans. During the Q&A session, attendees will have the opportunity to ask questions online to the management. For more information and to register, please visit: www.avantium.com/qa-session-23-april-2025

About Avantium

Avantium is a pioneering commercial-stage company focused on renewable & circular polymer materials. Avantium develops and commercialises innovative technologies for the production of materials based on sustainable carbon feedstocks, i.e. carbon from biomass or carbon from the air (CO2). The most advanced technology is the YXY® Technology that catalytically converts plantbased sugars into FDCA (furandicarboxylic acid), the key building block for the sustainable plastic PEF (polyethylene furanoate). PEF is known under the brand name Releaf®, an EU registered trademark of Avantium. Avantium has successfully demonstrated the YXY® Technology at its pilot plant in Geleen, the Netherlands, and is in the process of starting the world's first commercial plant for FDCA in Delfzijl, the Netherlands. Avantium works in partnership with like-minded companies around the globe to develop revolutionary renewable chemistry solutions from invention to commercial scale.

Avantium's shares are listed on Euronext Amsterdam and Euronext Brussels (symbol: AVTX). Avantium is incorporated in the Euronext Amsterdam SmallCap Index (AScX). Its offices and headquarters are in Amsterdam, the Netherlands.

For more information: Caroline van Reedt Dortland, Director Communications +31-20-5860110 / +31-613400179 mediarelations@avantium.com

Aarne Luten, Head of Investor Relations +31-625687714 ir@avantium.com