Completion of the acquisition of DIY Kitchens

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23 June 2026

HOWDEN JOINERY GROUP PLC ("Howdens" or the "Company")

Completion of the acquisition of DIY Kitchens

Further to the announcement made on 22 June 2026, Howdens is pleased to announce that the New Ordinary Shares issued to the Seller in connection with the Acquisition were admitted to trading on the main market for listed securities of London Stock Exchange plc (together, "Admission"), with effect from 8.00 a.m. (London time) today.

Following Admission, all conditions have been satisfied and Howdens is pleased to confirm the completion of the Acquisition today.

Notes to editors:

Capitalised terms used but not defined in this announcement shall have the meanings given to them in the announcement of 22 June 2026.

This announcement has been issued by and is the sole responsibility of Howdens. The information contained in this announcement is for background purposes and does not purport to be full or complete.

About Howden Joinery Group Plc

Howdens is the UK's number one specialist kitchen and joinery supplier. In the UK, the company sells kitchens and joinery products to trade customers, primarily local builders, through over 890 depots. In 2025, the Group generated revenues of £2.4 billion and profit before tax of £344.9 million. Howdens is a proud UK-based manufacturer, with a significant proportion of its kitchen and joinery ranges manufactured in-house at its two principal factories in Runcorn, Cheshire, and Howden, East Yorkshire. At the end of 2025, Howdens operated from 79 depots in France, Belgium and the Republic of Ireland.