Disclosure about a transparency notification

Disclosure about a transparency notification (Article 14, first paragraph, of the Act of 2 May 2007 on disclosure of significant holdings) Ghent, 25 September 2025, 18:30 – Press Release / Regulated information1.    Summary of the notification ABO-GROUP ENVIRONMENT NV has received a transparency notification dated 25 September 2025, from which it can be noted that as a result of the sale of shares by Ideplus NV on 23 September 2025, Frank De Palmenaer now owns 89.93% of the voting...

Gent, 25/09/2025 (informazione.news - comunicati stampa - energia)

Disclosure about
a transparency notification
(Article 14, first paragraph, of the Act of 2 May 2007 on disclosure of significant holdings)

ABO-GROUP ENVIRONMENT NV has received a transparency notification dated 25 September 2025, from which it can be noted that as a result of the sale of shares by Ideplus NV on 23 September 2025, Frank De Palmenaer now owns 89.93% of the voting rights of the company. He has thus breached the 90% shareholding threshold.

The notification dated 25 September 2025 contains the following information:

Acquisition or disposal of voting shares or voting rights.

A parent company or a controlling person.

Mr. Frank De Palmenaer and Ideplus NV (Derbystraat 357, 9051 Gent)

23 September 2025

90%

10,568,735

 

Mr. De Palmenaer is controlling shareholder of Ideplus NV.

The voting rights ‘separate from the shares’ relate to the shares for which the usufruct is held by Frank De Palmenaer, while the bare ownership of each 1/3rd of 1,152,726 is held by Feliciaan De Palmenaer, Ludovic De Palmenaer and Alexander De Palmenaer.

Founded in 1995 as a consultancy for soil research, ABO-Group has grown into an international engineering firm specializing in all aspects of the environment and soil: quality, reuse and remediation, geotechnics and monitoring, ecology, and cultural heritage.

ABO-Group operates through its various semi-independent subsidiaries in Belgium, France and the Netherlands. With more than 800 experts, the group has the technology, expertise and scale to deliver comprehensive solutions for the most challenging projects. For customers
in construction, infrastructure, mining and raw materials, energy and water; from assessment and design to execution and maintenance of various assets.

ABO-Group Environment is listed on EURONEXT Brussels and EURONEXT Paris.

For a more detailed description of the activities of ABO-Group Environment, visit www.abo-group.eu.

Frank De Palmenaer
CEO ABO-Group Environment nv
frank.depalmenaer@abo-group.eu
T: +32 (0)496 59 88 88

This press release is available on our website: https://www.abo-group.eu/en/investors/

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