Total Voting Rights

For immediate release                                                                                      01 December 2025

SANDERSON DESIGN GROUP PLC

("Sanderson Design Group", the "Company" or the "Group")

Total Voting Rights

As at 30 November 2025, the Company's issued share capital consisted of 72,264,620 ordinary shares with one voting right per Ordinary Share. The Company does not hold any Ordinary Shares in Treasury, therefore, the total number of Ordinary Shares in the Company with voting rights is 72,264,620.

The above figure of 72,264,620 Ordinary Shares may be used by shareholders in the Company 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 share capital of the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

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About Sanderson Design Group

Sanderson Design Group PLC is a luxury interior furnishings company that designs, manufactures, and markets wallpapers, fabrics, and paints. In addition, the Company derives licensing income from the use of its designs on a wide range of products such as bed and bath collections, rugs, blinds, and tableware.

Sanderson Design Group's brands include Zoffany, Sanderson, Morris & Co., Harlequin, Clarke & Clarke, and Scion.

The Company has a strong UK manufacturing base comprising Anstey wallpaper factory in Loughborough and Standfast & Barracks, a fabric printing factory, in Lancaster. Both sites manufacture for the Company and for other wallpaper and fabric brands.

Sanderson Design Group employs approximately 500 people, and its products are sold worldwide. It has showrooms in London, New York, and Chicago.

Sanderson Design Group trades on the AIM market of the London Stock Exchange under the ticker symbol SDG.

LEI: 213800A8K2WOUZJIQL93

For further information please visit: www.sandersondesign.group