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, 17 October 2025, 18:30 – Press Release / Regulated information

1.    Summary of the notification

ABO-GROUP ENVIRONMENT NV has received a transparency notification dated 15 October 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 has breached the 90% shareholding threshold.

This press release is a rectification of the notification of 25 September 2025 following the sale of shares by Ideplus NV on 29 May 2025, which was only reported to the company on 15 October 2025.

2.    Content of the notification

The notification dated 15 October 2025 contains the following information:

• Reason for the notification:

Acquisition or disposal of voting shares or voting rights.

• Notification by:

A parent company or a controlling person.

• Persons subject to the notification requirement:

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

• Date on which the threshold is crossed:

23 September 2025

• Crossed threshold:

90%

• Denominator:

10,568,735

• Details of the notification:

Voting rights	Previous notification	After the transaction
	# voting rights	# voting rights		% of voting rights
Holders of voting right		Related to shares	Separate from the shares	Related to shares	Separate from the shares
Frank De Palmenaer	9,038,836	7,859,252	1,152,726	74.36%	10.91%
Ideplus NV	493,443	483,693		4.58%
Subtotal	9,532,279	8,342,945	1.152.726	78.94%	10,91%
TOTAL		8,342,945	1,152,726	78.94%	10.91%