Deceuninck NV

Major Shareholding Notification • Mar 29, 2011

Press Release

Regulated Information – Notification of participation

29 March 2011 at 5:45 p.m. CET

In accordance with the appropriate transparency legislation (Act of 2 May 2007 and Royal Decree of 14 February 2008) Deceuninck NV discloses that on the 26th of September 2011 it received notification below:

Situation as of 29 March 2011 (notification in accordance with article 29 of the Act of 2 May 2007)

Fidec NV: 5,793,990 (5.38%)

The notifications concerned have been published on the website of Deceuninck NV (www.deceuninck.com) in the section "Financial News" and in the section "Investor Relations/Shareholder information/Transparency Act."

Financial calendar

• 4 April 2011 Annual report online 10 May 2011 Q1 trading update
• 10 May 2011 Annual Shareholders meeting at 11 am
• 14 July 2011 Q2 trading update
• 26 August 2011 2011 half year results
• 20 October 2011 Q3 trading update

About Deceuninck

Deceuninck is a leading international designer and manufacturer of high quality PVC systems for windows and doors, cladding and roofline, interior and outdoor living. The basic technology used by the company is extrusion of patented PVC and Twinson composite material. The highly integrated state of the art production process includes compounding, tool manufacturing, extrusion of gaskets and profiles, printing, PVC lamination and the patented Decoroc coating technology.

The Group is active in over 75 countries, has 35 subsidiaries (production and/or sales) across Europe, North America and Asia, and employs 2,821 FTE (including temporary employees), of which 670 in Belgium. In 2010 the Deceuninck Group achieved consolidated sales of EUR 558 million.

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To Editors: for information, please contact:

DECEUNINCK, Ludo Debever, Investor Relations Manager Telephone: +32 51 239248 Mobile: 32 473 552335 E-mail: ludo.debever@deceuninck.com

Press release – Notification of participation Fidec – 29 March 2011