24 March 2026

Forterra plc

Replacement: Grant under Deferred Annual Bonus Plan

The following amendment has been made to the 'Grant under Deferred Annual Bonus Plan' announcement released on 20 March 2026 at 08:45 under RNS No 4776X.

The share price, being an average of the closing mid-market share price for the five days commencing on 12 March 2026 being the date after announcing the Company's 2025 results should read £1.626 not £162.56.

All other details remain unchanged.

The full amended text is shown below.

Grant under Deferred Annual Bonus Plan

Forterra plc (the "Company") announces that, on 19 March 2026, share option awards over ordinary shares of £0.01 each in the capital of the Company were granted to Executive Directors under the Forterra plc Deferred Annual Bonus Plan ("DABP") as follows:

These awards represent the deferral into ordinary shares of part of the Executive Directors' 2025 bonus entitlements under the rules of the Scheme.

No consideration was paid for the grant of the awards which are structured as nominal cost options at an option exercise price of £0.01 per ordinary share. The number of ordinary shares granted under the award has been calculated using a share price of £1.626 being an average of the closing mid-market share price for the five days commencing on 12 March 2026 being the date after announcing the Company's 2025 results.

The awards will normally vest on 19 March 2029, subject to the participant being an employee of the Company at that time. Once vested, the award shall normally remain exercisable until the day before the tenth anniversary of the date of grant. Further terms and conditions of the DABP are set out in the Annual Report and Accounts.

The above notification is intended to satisfy the Company's obligations under Article 19 of the Market Abuse Regulations.

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