Annual Report and Accounts and Notice of AGM

18 March 2026

HOWDEN JOINERY GROUP PLC

(the "Company")

ANNUAL REPORT AND ACCOUNTS AND NOTICE OF ANNUAL GENERAL MEETING

The following documents have today been posted or otherwise made available to shareholders:

§ 2025 Annual Report and Accounts;

§ Notice of 2026 Annual General Meeting (AGM); and

§ Form of Proxy for the 2026 AGM.

In accordance with UK Listing Rule 6.4.1, a copy of each of these documents has been uploaded to the National Storage Mechanism and will be available for viewing shortly at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

The 2025 Annual Report and Accounts and Notice of 2026 AGM are also available to view or download in pdf format on the Company's website (www.howdenjoinerygroupplc.com/investors/results-reports-and-presentations/annual-reports and www.howdenjoinerygroupplc.com/agm respectively). Shareholders may also request hard copies from Company Secretariat, Howden Joinery Group Plc, 105 Wigmore Street, London, W1U 1QY.

The Company will be holding its AGM at 11.00am on 7 May 2026 at Freshfields, 100 Bishopsgate, London, EC2P 2SR.

Enquiries

Forbes McNaughton, Company Secretary +44 (0)207 535 1162