Sanderson Design Group PlcLSE: SDG

Appointment of Nominated Adviser and Sole Broker

· Issued by Sanderson Design Group Plc

For immediate release

2 March 2026

SANDERSON DESIGN GROUP PLC

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

Appointment of Nominated Adviser and Sole Broker

Sanderson Design Group PLC (AIM: SDG), the luxury interior design and furnishings group, announces the appointment of Singer Capital Markets as the Company's Nominated Adviser and sole Broker, with immediate effect.

For further information:

Sanderson Design Group PLC

c/o Burson Buchanan

Lisa Montague, Chief Executive Officer

+44 (0) 20 7466 5000

Mike Woodcock, Chief Financial Officer

Singer Capital Markets

+44 (0) 20 7496 3000

Jen Boorer / Sara Hale / James Todd

Burson Buchanan

+44 (0) 20 7466 5000

Toto Berger / Sophie Wills / Abigail Gilchrist

SDG@buchanan.uk.com

Notes for editors:

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.

For further information please visit: www.sandersondesigngroup.com.