Notice of AGM

LEI: 213800VDC1BKJEZ8PV53 23 March 2026

SIG plc

(the "Company")

Notice of 2026 Annual General Meeting

The Company announces that it has published its Notice of 2026 Annual General Meeting which is to be held at 9.30am on Thursday 30 April 2026 at SIG West London, Mathisen Way, Poyle, Slough SL3 0HB.

Copies of the documents listed below have been posted or otherwise made available to shareholders:

1. Notice of 2026 Annual General Meeting ("Notice of AGM")

2. Form of Proxy for the 2026 Annual General Meeting

3. Annual Report and Accounts for the year ended 31 December 2025

Full details of the arrangements for the 2026 AGM, including how to ask questions, are contained in the Notice of AGM.

Shareholders who have elected to receive paper copies of shareholder communications from the Company will shortly receive copies of the documents. Shareholders who have elected, or are deemed to have elected, to receive electronic communications from the Company will shortly receive a notification of availability of the 2025 Annual Report & Accounts and Notice of AGM on the Company's website.

A copy of the Notice of AGM and Form of Proxy have been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

For further information, contact:

SIG plc

Andrew Watkins, +44 (0) 114 285 6300

Group General Counsel & Company Secretary