Kier Group PLC - Director/PDMR Shareholding

22 October 2025

KIER GROUP PLC

Notification of transactions by persons discharging managerial responsibilities

Kier Group plc (the "Company") announces that:

i)          On 17 October 2025, the trustee of the Kier Group Share Incentive Plan (the "SIP") acquired ordinary shares of 1p each in the capital of the Company ("Shares") for, and allocated free matching Shares in accordance with the rules of the SIP to, certain persons discharging managerial responsibilities ("PDMRs"); and

ii)          On 21 October 2025, certain PDMRs were allocated Shares, as a result of the vesting of awards made to them in October 2022 under the Kier Group plc 2020 Long-Term Incentive Plan (the "LTIP Vesting").

 Details of these transactions are set out in the table below.

¹ Following the LTIP Vesting, Mr Davies, Mr Kesterton and Mr Togwell will own 3,321,620, 1,983,179 and 847,961 Shares, representing 0.75%, 0.45% and 0.19% of the Company's issued share capital (excluding treasury shares), respectively.

For the LTIP Vesting, the numbers of Shares shown in the table above represent the vested Shares allocated to each PDMR following deductions for income tax and national insurance contributions due on the release of the Shares. For tax purposes, the market value of a Share for the LTIP Vesting was £2.22, being the closing price of a Share on 20 October 2025. No consideration was paid for the acquisition of these Shares. The Shares acquired by Mr Davies and Mr Kesterton under the LTIP Vesting are subject to a two-year post-vesting holding period. The LTIP Vesting was subject to the satisfaction of certain performance criteria over a three-year performance period which ran from 1 July 2022 to 30 June 2025.

The following notifications are made in accordance with the requirements of Article 19(3) of the UK Market Abuse Regulation. The Company's Legal Entity Identifier ("LEI") is 2138002RKCU2OM4Y7O48.

For enquiries, please contact:

Jaime Tham

Company Secretary

07801 975672