ABO-Group Environment NV

Major Shareholding Notification • Feb 9, 2011

PRESS RELEASE

Shareholder notification: PMV

9 February 2011 – 18h00 CET – Regulated Information

Antwerp –Thenergo (Euronext Brussels: THEB), a leading developer and operator of decentralized clean energy projects, received the following notification:

ParticipatieMaatschappij Vlaanderen

• Date of threshold crossing: February 4th 2011
• Date of notification: February 8th 2011
• Shareholder: ParticipatieMaatschappij Vlaanderen NV
• Voting rights previous notification: 1,728,118
• Voting rights current notification: 8.341.161
• Percentage of voting rights: 29,13%
• Denominator: 28.633.631

PMV now holds none convertible obligations.

About Thenergo

Based in Belgium, Thenergo is fully integrated and independent developer and operator of sustainable energy projects. Thenergo creates value for its partners and shareholders as a one-stop provider of sustainable energy solutions, transforming renewable fuels into electricity and heat.

For more information, please contact:

Chris Belien CEO T.: +32 3 292 96 99 Chris.belien@thenergo.eu Gateway House, Brusselstraat 59 B-2018 Antwerp Belgium

This press release is made available through our corporate website www.thenergo.eu