Grafton Group PlcLSE: GFTU

Completion of Seventh Share Buyback Programme

Grafton Group plc

Completion of Seventh Share Buyback Programme

7 November 2025

Grafton Group plc ("the Company"), the international building materials distributor and DIY retailer, is pleased to announce that it has completed its seventh share buyback programme that commenced on 4 September 2025.

Between 4 September 2025 and 7 November 2025, 2.74 million ordinary shares in the Company were repurchased on the London Stock Exchange for cancellation at an average price of £9.14 per share and a total cost of £25 million. This represented 1.4 per cent of the issued share capital of the Company when the seventh buyback programme commenced.

For further information please contact:

Investors

Media

Grafton Group plc

+353 1 216 0600

Murray

pwalsh@murraygroup.ie

Eric Born

Chief Executive Officer

Pat Walsh

+353 1 498 0300/+353 87 226 9345

David Arnold

Chief Financial Officer

Burson

Buchanan

Helen Tarbet

Simon Compton

Toto Berger

GraftonGroup@buchanancomms.co.uk

+44 (0) 7872 604 453

+44 (0) 7979 497 324

+44 (0) 7880 680 403