1 October 2025

HOWDEN JOINERY GROUP PLC

(the "Company")

VOTING RIGHTS AND CAPITAL

In accordance with the Disclosure Guidance and Transparency Rules of the FCA, we would like to notify the following:

The Company's issued capital as at 30 September 2025 consisted of 544,079,536 ordinary shares of 10 pence each of which 2,470,691 ordinary shares were held in Treasury.

Therefore, the total number of shares with full voting rights in the Company at the above date was 541,608,845 and 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.

- Ends -

Enquiries:

Howden Joinery Group Plc                                                               

Forbes McNaughton, Company Secretary                     

020 7535 1110