Signpost of Completion of Share Buyback Programme

Grafton Group plc ("the Company"), the international building materials distributor and DIY retailer, is pleased to announce that it has completed its share buyback programme that commenced on 12 May 2023.

Between 12 May 2023 and 30 August 2023, 6.0 million ordinary shares in the Company were repurchased on the London Stock Exchange for cancellation at an average price of £8.33 per share and a total cost of £50.0 million. This represented 2.8 per cent of the issued share capital of the Company (excluding treasury shares) when the programme commenced.