Press Release

Deceuninck wins award of BEL Small Company of the year 2017

Hooglede-Gits, Belgium, 17 January 2018 - Deceuninck is proud to announce that it has won the Euronext award of BEL Small1 Company of the year 2017 thanks to the highest relative increase in terms of market capitalisation.

Market capitalization of Deceuninck ('DECB') increased over 2017 from € 306.2 million to € 410.2 million thanks to the increase of the share price from € 2.26 to € 3.01 (+33%).

Deceuninck received the award during a ceremony at Square Brussels Meeting Center last night in presence of Mr. Johan Van Overtveldt, Minister of Finance, Mr. Alexander De Croo, Deputy Prime Minister and Mr. Vincent Van Dessel, CEO and Chairman of Euronext Brussels.

1 The BEL Small index is made up of stocks not included in the BEL20 index, having a free float market capitalisation which is higher than the level of the BEL 20 index multiplied by EUR 5.500 (entry level; the exit level is BEL 20 times EUR 4.500), and a free-float velocity of at least 15% (10% for current index members).

Press release

www.deceuninck.com

2

Financial calendar 2018

22 February 2018

FY 2017 results

24 April 2018

Annual General Meeting (4.00pm)

23 August 2018

H1 2018 results

End of press release

About Deceuninck

Founded in 1937, Deceuninck is a top 3 independent manufacturer of PVC and composite profiles for windows and doors. Headquartered in Hooglede-Gits (BE), Deceuninck is organized in 4 geographical segments: Western Europe, Central & Eastern Europe, North America and Turkey & Emerging Markets. Deceuninck operates 15 vertically integrated manufacturing facilities, which together with 21 warehousing and distribution facilities guarantee the necessary service and response time to Customers. Deceuninck strongly focuses on innovation, ecology and design. Deceuninck is listed on Euronext Brussels ("DECB").

Contact Deceuninck: Bert Castel • T +32 51 239 204bert.castel@deceuninck.com

Press releasewww.deceuninck.com

Deceuninck NV published this content on 18 January 2018 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 18 January 2018 09:09:09 UTC.

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