Tessenderlo Group nv — AGM Information 2021

May 11, 2021

PRESS RELEASE Regulated information ¹ May 11, 2021, 5:40 pm CET

GENERAL MEETING TESSENDERLO GROUP NV

The general meeting of shareholders of Tessenderlo Group nv for the financial year 2020 was held today. Out of a total of 60,992,250 voting rights, 46,880,269 voting rights (76.86%) were represented at the meeting.

The general meeting approved the financial statements, the allocation of results, the remuneration report, and the remuneration policy. The general meeting also granted discharge to the directors and the statutory auditor for the performance of their duties for the financial year ending December 31, 2020. As proposed by the Board of Directors, the general meeting decided not to pay a dividend for the 2020 financial year.

(Re)appointment of directors

On the recommendation of the Board of Directors, the general meeting decided to renew the mandates of ANBA BV (with permanent representative Mrs. Anne-Marie Baeyaert, non-executive independent director) and Management Deprez BV (with permanent representative Mrs. Veerle Deprez, non-executive independent director). These mandates were renewed for a period of four (4) years, i.e. until the end of the ordinary general meeting that approves the financial statements for the year 2024.

The general meeting further appointed Mr. Wouter De Geest as a non-executive independent director for the remainder of the mandate of Philium BV, with permanent representative Mr. Philippe Coens. His mandate will consequently end after the meeting that approves the financial statements for the year ending December 31, 2022. The Board of Directors would like to express its thanks to Mr. Philippe Coens for his contribution to Tessenderlo Group's development over the past few years.

The presentation, minutes, and other information relating to the general meeting are published on the Tessenderlo Group website (www.tessenderlo.com).

FINANCIAL CALENDAR

Half year 2021 results August 26, 2021

¹ The information provided includes regulated information, as defined in the Royal Decree of November 14, 2007, regarding the duties of issuers of financial instruments permitted to trade on regulated markets.

About Tessenderlo Group

Tessenderlo Group is a diversified industrial group that focuses on agriculture, valorizing bio-residuals, energy, and providing industrial solutions with a focus on water. The group employs more than 4,700 people, is a leader in most of its markets and recorded a consolidated revenue of 1.7 billion EUR in 2020. Tessenderlo Group is listed on Euronext Brussels and is part of Next 150 and BEL Mid indices. Financial News wires: Bloomberg: TESB BB – Reuters: TESB.BR – Datastream: B:Tes

Media Relations Investor Relations Frederic Dryhoel Kurt Dejonckheere +32 2 639 19 85 +32 2 639 18 41 frederic.dryhoel@tessenderlo.com kurt.dejonckheere@tessenderlo.com

This press release is available in Dutch and English on the corporate website www.tessenderlo.com.

Disclaimer

This document may contain forward-looking statements. Such statements reflect the views of management regarding future events at the date of this document. Furthermore, they involve known and unknown risks, uncertainties and other factors that may cause actual results to be different from any results, performance or achievements expressed or implied by such forward-looking statements. Tessenderlo Group provides the information in this press release as at the date of publication and, subject to applicable legislation, does not undertake any obligation to update, clarify or correct any forward-looking statements contained in this press release in light of new information, future events or otherwise. Tessenderlo Group disclaims any liability for statements made or published by third parties (including any employees who are not explicitly mandated by Tessenderlo Group) and, subject to applicable legislation, does not undertake any obligation to correct inaccurate data, information, conclusions or opinions published by third parties in relation to this or any other press release it issues.