ABO-Group Environment NV

Major Shareholding Notification • Apr 4, 2014

PRESS RELEASE

Shareholder notifications: Frank De Palmenaer and PMV

4 April 2014 – 12h00 CET – Regulated Information

Gent – ABO-Group (Euronext Brussels:ABO) received the two following shareholder notifications:

ParticipatieMaatschappij Vlaanderen

• Reason for the notification:
• o Downward crossing of the lowest threshold
• o Passive crossing of a threshold
• Notification by: a parent undertaking or a controlling person
• Persons subject to the notification requirement
• o ParticipatieMaatschappij Vlaanderen NV, Oude Graanmarkt 63, 1000 Brussels
• o Het Vlaamse Gewest, Martelarenplein 19, 1000 Brussels
• Date on which the threshold is crossed: March 27th 2014
• Denominator: 2.642.182.631
• Percentage of voting rights: < 5%
• Chain of controlled undertakings through which the holding is effectively held: Het Vlaamse Gewest controls ParticipatieMaatschappij Vlaanderen
• Date of notification: April 2 nd 2014

Frank De Palmenaer

• Reason for the notification: acquisition or disposal of voting securities or voting rights
• Notification by: a person that notifies alone
• Persons subject to the notification requirement: Frank De Palmenaer

• Date on which the threshold is crossed: March 27th 2014

• Threshold that is crossed: 90%

• Denominator: 2.642.182.631
• Voting rights current notification: 2.444.420.898
• Percentage of voting rights: 92,52%
• Date of notification: April 3 rd 2014

About ABO-Group

ABO-Group is a group of integrated engineering and testing companies operating in the areas of soil, environment, geotechnics, energy, ground water management, and waste. ABO-Group has the aim of increasing its revenue by means of organic growth and acquisitions, and to expand its range of operations within and outside Europe.

For more information, please contact: ABO-Group NV Chris Beliën General Secretary T +32 9 242 88 45 Investors@ABO-Group.eu Derbystraat 255, Maaltecenter Blok G, B-9051 Ghent (SDW), Belgium

This press release is available on our website www.abo-group.eu.