Notice of IT Security Incident

3 August 2026

accesso^® Technology Group plc

("accesso" or the "Group")

Notice of IT Security Incident

accesso Technology Group plc (AIM: ACSO), the premier technology solutions provider for leisure, entertainment and cultural markets, reports that it has identified an IT security incident involving temporary unauthorised access to a limited part of the Group's systems. The unauthorised access has been contained and there has been no downtime or major disruption to the Group's operations or the services it provides to customers.

The Group immediately enacted its incident response plan, engaged external specialists to support its investigation and implemented workarounds and additional precautionary measures to mitigate the risk of disruption and further unauthorised access. Based on the investigation to date, the part of the Group's systems accessed contained internal information relating to the Group's own business operations. The investigation remains ongoing.

The Group is carefully monitoring its network and has not identified any suspicious activity since the incident. Based on the work performed to date, the Board currently assesses the risk of financial exposure arising from the incident to be low.

The Group is communicating with customers regarding the incident and has notified the relevant authorities.

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About accesso Technology Group plc

At accesso, we believe technology has the power to redefine the guest experience. Our patented and award-winning solutions drive increased revenue for attraction operators while improving the guest experience. Currently serving over 1,100 clients in 31 countries around the globe, accesso's solutions help our clients streamline operations, generate increased revenues, improve guest satisfaction and harness the power of data to facilitate business and marketing decisions.

accesso stands as the leading technology provider of choice for tomorrow's attractions, venues and institutions. To stay ahead, we invest heavily in research and development because our industries demand it, our clients benefit from it and it makes a positive impact on the guest experience. Our innovative technology solutions allow venues to increase the volume and range of on-site spending and to drive increased transaction-based revenue through cutting edge ticketing, point-of-sale, virtual queuing, distribution and experience management software.

accesso is a public company, listed on AIM: a market operated by the London Stock Exchange. For more information visit www.accesso.com.