Tessenderlo Group : Tessenderlo Group: Disclosure in accordance with the requirements of the Transparency Law

   Tessenderlo Group : Tessenderlo Group: Disclosure in accordance with the
                     requirements of the Transparency Law

Tessenderlo Group (NYSE Euronext: TESB) discloses information required under
article 15, §1 of the Law of May 2, 2007 regarding the disclosure of important
shareholdings in listed companies.

Status as of December 20, 2012:

Total outstanding capital:                       € 153,702,506.38
Total number of outstanding ordinary shares:           30,662,300
Total number of voting rights (the denominator):       30,662,300
Total number of outstanding warrants:                   1,293,469

(each warrant entitles the holder to subscribe
to one new ordinary share)

Notifications:

According to  Tessenderlo Chemie  NV bylaws,  the threshold  as from  which  a 
shareholding needs  to be  disclosed  has been  set at  5%,  as well  as  each 
multiple of 5%, in either direction. Notifications of important  shareholdings 
to be made according to the Law of May 2, 2007 or Tessenderlo Chemie's bylaws,
should be sent to  philip.ludwig@tessenderlo.com , as well  as to the  Belgian 
Financial Services and Markets Authority (FSMA) at trp.fin@fsma.be.

This information will also be made available on
www.tessenderlo.com/investors/information_for_the_shareholder/capital_structure/

Tessenderlo  Groupis  a   worldwide  specialty  company,   focused  on   food, 
agriculture, water  management  and  on valorizing  bio-residuals.  The  group 
employs about 7,500  people and is  a leader in  most of its  markets, with  a 
consolidated revenue of  2.1 billion EUR  in 2011.  Tessenderlo  Chemie NV  is 
listed on NYSE Eurolist by Euronext Brussels  and is part of Next 150 and  BEL 
Mid indices. Financial News  wires: Bloomberg: TESB BB  - Reuters: TesBt.BR  - 
Datastream: B:Tes

Media Relations          Investor Relations
Kathleen IWENS           Philip LUDWIG
Tel: +32 (0) 478 664 555 Tel: +32 2 639 16 58

Web site: http://www.tessenderlogroup.com

This press release is available in Dutch, English and French on the corporate
website www.tessenderlogroup.com - under 'News & Media'.
Pour lire le communiqué de presse complet en Français, cliquez ici
Hier kan je het volledige bericht in het Nederlands lezen
To read the full press release in English, click here

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Source: Tessenderlo Group via Thomson Reuters ONE
HUG#1670588