Notice of Annual General Meeting

LEI number: 2138004EUUU11OVHZW75

10 November 2025

450 plc

(the "Company")

Notice of Annual General Meeting

The Company announces the publication of its notice of Annual General Meeting, to be held at 11 Buckingham Street, London, WC2N 6DF on Wednesday 3 December 2025 at 3.00p.m.

The circular, which contains notice of the Annual General Meeting is available on the 'Shareholder Documents' page of the Company's website at www.450plc.com.

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