Notice of Results

23 February 2026

Ashtead Technology Holdings plc

(the "Group" or the "Company")

Notice of Full Year Results

Ashtead Technology Holdings plc (AT.L), a leading provider of subsea technology solutions to the global offshore energy sector, confirms that it will announce its Full Year Results for the year ended 31 December 2025 on Tuesday 17 March 2026.

Analyst and Institutional Investor Presentation

Management of the Company will host a hybrid presentation for sell-side analysts and institutional investors at 8.00am GMT on the morning of the Results. Those wishing to attend the meeting in-person or join virtually should contact [email protected] for further information.

Retail Investor Presentation

Management will also host a live virtual investor presentation via the Investor Meet Company platform at 10.00am GMT on Friday 20 March 2026.

This event is open to all existing and potential shareholders and registration is free.

Questions can be submitted pre-event via the platform up until 9.00am GMT the day before the meeting or at any time during the live presentation.

Investors can register for the webinar here: https://www.investormeetcompany.com/ashtead-technology-holdings-plc/register-investor

Replays of both presentations will subsequently be made available to watch on demand at www.ashtead-technology.com/investors.

-Ends-

For further information, please contact:

Notes to editors:

Ashtead Technology is a leading subsea technology solutions provider to the global offshore energy sector. Ashtead Technology's specialist equipment, engineered solutions, technical expertise and support services enable its customers to understand the subsea environment and manage offshore energy production infrastructure. Ashtead Technology operates globally, servicing customers from its facilities located in key offshore energy hubs. To learn more, please visit www.ashtead-technology.com