Grafton Group plc (the "Company")

Updated Notice of 2024 Annual General Meeting and Updated Form of Proxy

The Notice of the 2024 Annual General Meeting ("AGM") of the Company has been updated to incorporate an additional Resolution received from a shareholder of the Company pursuant to the provisions of the Articles of Association and is now available to download from the Company's website at https://www.graftonplc.com/investors/ shareholder-services/shareholder-meetings/.

An updated Form of Proxy for the 2024 AGM has also been published on the Company's website at https://www.graftonplc.com/investors/shareholder-services/shareholder-meetings/.

In accordance with Rule 9.6.1 of the Listing Rules, copies of the above documents have been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

The AGM will be held at 10.30am on Thursday, 2 May 2024 at the Irish Management Institute (IMI) Conference Centre, Sandyford Road, Dublin 16, D16 X8C3, Ireland.

We are pleased to be also able to provide a facility for shareholders to view and listen to the business of the meeting and raise questions during the meeting at the invitation of the Chair through the Company's webcasting platform operated by BRR Media (the "Webcasting Platform"), as described in further detail in the Notice of AGM. Shareholders wishing to vote at the AGM will still need to submit their voting instructions by the relevant deadlines before the AGM, as it will not be possible to vote at the AGM using the Webcasting Platform.

Charles Rinn

Company Secretary

Grafton Group plc

Telephone: +353 1 2160600

26 March 2024