Annual Report & Notice of AGM

ARCONTECH GROUP PLC

(“Arcontech”, the “Company” or the “Group”)

Posting of Annual Report & Notice of AGM

Arcontech (AIM: ARC), the provider of products and services for real-time financial market data processing and trading, confirms that its Annual Report and Accounts for the year ended 30 June 2025, together with the Notice of the Annual General Meeting, have been posted to shareholders. The documents will be available to download from the Company’s website www.arcontech.com later this evening.

The Company’s Annual General Meeting will be held at the Company’s offices at 1st Floor, 11-21 Paul Street, London EC2A 4JU at 10.00 a.m. on 15 October 2025.

If you will be attending the Annual General Meeting, please ensure you bring proof of identity and share ownership.

Enquiries:

Arcontech Group plc 020 7256 2300

Geoff Wicks, Chairman and Non-Executive Director

Matthew Jeffs, Chief Executive

Cavendish Capital Markets Ltd (Nomad & Broker) 020 7220 0500

Jonny Franklin-Adams / Isaac Hooper (Corporate Finance)

Harriet Ward (Corporate Broking)

To access more information on the Group please visit: www.arcontech.com