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FOR IMMEDIATE RELEASE

22 June 2026

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

Acquisition of DIY Kitchens: Admission of New Ordinary Shares

Further to the announcement made on 3 June 2026 in relation to the proposed acquisition of the parent company of Ultima Furniture Systems Limited, trading as DIY Kitchens (the "Acquisition"), Howdens confirms that the relevant regulatory approvals have been satisfied and further announces that an application has been made for the admission of 12,725,469 new ordinary shares of £0.10 each in the capital of the Company (the "New Ordinary Shares") to trading on the main market for listed securities of London Stock Exchange plc ("Admission"). The New Ordinary Shares will be issued and allotted to Ling Chase Holdings Limited (the "Seller") in connection with the Acquisition. It is expected that Admission will become effective at 8.00 a.m. (London time) on 23 June 2026.

A further announcement will be made by the Company in respect of completion of the Acquisition ("Completion"), which will take place automatically on Admission of the New Ordinary Shares.

From Completion, the Seller will be subject to a lock-in restricting the disposal of the New Ordinary Shares for a period of 12 months (subject to certain limited customary exceptions, including with the consent of the Company).

Total Voting Rights

Following Admission, the Company will have 554,242,672 ordinary shares of £0.10 each in the capital of the Company ("Ordinary Shares") in issue. There are 3,326,336 Ordinary Shares held in treasury.

Therefore, following Admission, the Company hereby confirms that the total number of voting rights in the Company will be 550,916,336. Following Admission, this figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

Notes to editors:

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.