Deceuninck NV

Transaction in Own Shares • Apr 16, 2024

Press release Regulated information Tuesday April 16th 2024 at 8 PM CET

Update on the share buy-back program

In the context of the share buyback program that was announced on April 5th 2024, Deceuninck announces today that 201.241 Deceuninck shares were purchased on Euronext Brussels stock exchange (XBRU) during the period April 8th 2024 to April 16th 2024 inclusive.

Detail of the transactions per day:

Trade date	Number of shares	Total amount of the repurchase (€)	Average price (€)	Highest price Lowest price (€)	(€)
8/04/2024	25_000	58.093.85	2.32	2.34	2.30
9/04/2024	25.000	58.446.25	2.34	2.35	2.33
10/04/2024	23.338	54.928.08	2.35	2.37	2.34
11/04/2024	28_000	68.082.84	2.43	2.53	2.38
12/04/2024	28.777	73.525.24	2.56	2.59	2.52
15/04/2024	33.126	82.839.51	2.50	2.54	2.46
16/04/2024	38.000	94.706.26	2.49	2.52	2.46
Total	201,241	490.622,03	2,44

The buy-back program takes place in accordance with the "safe harbor" procedure provided by the Regulation (EU) No 596/2014 of 16 April 2014 on market abuse (Market Abuse Regulation) and the Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016 supplementing the Market Abuse Regulation.

On April 16th 2024 after closing of the market, Deceuninck NV holds a total of 291.844 own shares, which represents 0,21% of the total number of outstanding shares.

This information is also made available on the investor page of our website.

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 3 geographical segments: Europe, North America and Turkey & Emerging Markets. Deceuninck operates 17 vertically integrated manufacturing facilities, which together with 16 sales and distribution entities guarantee the necessary service and response time to Customers. Deceuninck strongly focuses on innovation, sustainability and reliability. Deceuninck is listed on Euronext Brussels ("DECB").

Contact Deceuninck: Hannes Debecker • T +32 51 239 587 • Investor.Relations@deceuninck.com