National Storage Mechanism | Additional information

LEI number: 2138004EUUU11OVHZW75

3 December 2025

450 plc

(the "Company")

Results of Annual General Meeting

The Directors of the Company are pleased to announce that, at the Annual General Meeting of the Company held earlier today, all resolutions put to the meeting were duly passed by the requisite majorities.

A summary of the votes received will be made available on the Company's website at https://www.450plc.com/investors/Corporate-Governance/default.aspx

Enquiries:

450 plc

Tel: +44(0)207 004 2700

Waheed Alli

James Corsellis

Zeus Capital Limited (Nominated Adviser and Broker)

Tel: +44(0)203 829 5000

Katy Mitchell

Harry Ansell

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [email protected] or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.

END