Significant Contract Expansion

2 September 2025

The information contained within this announcement is deemed to constitute inside information as stipulated under the retained EU law version of the Market Abuse Regulation (EU) No. 596/2014 (the "UK MAR") which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. The information is disclosed in accordance with the Company's obligations under Article 17 of the UK MAR. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

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Tialis Essential IT Plc

("Tialis" or the "Company")

Significant Contract Expansion with Existing Client

Tialis Essential IT plc, the AIM-quoted managed services provider of advanced engineering and technology solutions, is pleased to announce the award of a significant follow-on framework contract from a long-standing and valued customer.

The expanded agreement, valued at approximately £50 million, builds on the Company's previous work with the long-standing customer and will run over 5 years. Under the new framework, Tialis will deliver Lifecycle Services, Tech Bars, End User Support and Field Engineering supporting the long-standing customers' business.

This follow-on award reflects the strength and depth of the Company's relationship with the long-standing customer and demonstrates the high level of customer satisfaction with the delivery record of Tialis. It will further enhance the Group's order book and revenue visibility for the next financial year.

Niall O'Regan, Chief Operating Officer of Tialis Essential IT plc commented:

"We are delighted to deepen our long-standing relationship through this major contract expansion. Repeat business from high-quality clients is the clearest endorsement of our capabilities, and this award highlights the trust placed in us to deliver mission-critical solutions. This contract will meaningfully contribute to our revenue base and supports our strategy of driving growth through long-term partnerships."

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