ABO-Group Environment NV

Declaration of Voting Results & Voting Rights Announcements • Feb 21, 2011

PRESS RELEASE

Publication of a notification regarding article 14 of the Law of May 2nd, 2007

21 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 on February 10th, 2011:

• Date of threshold crossing: February 3 th 2011
• Denominator on February 3rd 2011: 22.020.588

Reason for notification – On February 3rd 2011 the shareholders group formed between the following persons obliged to notification was terminated:

Ivo Van Vaerenbergh: 0,00% Beheers- en advieskantoor Van Vaerenbergh en Co: 1,45% or 319.892 voting rights Ivo Leysen: 0,00% Luc Leysen: 3,75% or 825.710 voting rights Guy Leysen: 0,00% Benjamin Simons: 0,00% Philippe Winant: 1,61% or 354.409 voting rights Nico Verbaeten: 0,00% Marleen Allaerts en Didier Versmissen: 0,29% or 62.837 voting rights Peter Van De Kerkhof: 0,60% or 131.879 voting rights Willy Van Den Heuvel: 0,00%

NV Beheers- en advieskantoor Van Vaerenbergh & Co is the management company of Ivo Van Vaerenbergh.

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