10 March 2026

Catenai PLC

("Catenai", or the "Company")

Alludium platform launch

Catenai PLC (AIM: CTAI), the AIM-quoted provider of technology and digital solutions, is pleased to announce that Alludium Ltd ("Alludium"), its investee company and developer of a no-code AI Agent Operating System, has today launched its platform, making it publicly accessible for the first time.

This milestone marks a significant progression in Alludium's development journey, following its public debut at Web Summit 2025 and the onboarding of its first design partners. Alludium is now open to individuals and teams who wish to build, deploy, and collaborate with custom AI agents through conversation, without writing code.

Alludium is an Agent Operating System that brings the power of AI agents to individuals, teams and organisations. As personal AI agents begin to show what autonomous AI can do for individuals, Alludium extends that capability to teams, giving organisations the platform and tools to build, deploy and collaborate with custom AI agents that automate tasks and workflows across the tools they use every day.

As announced on 11 April 2025, following the commercial launch of Alludium, Catenai will shortly issue warrants over 100,000,000 new ordinary shares in the Company, exercisable at a price of 0.3 pence per share to the founders of Alludium. The warrants will expire 18 months from the date of issue. A further announcement will be made in due course on issue of the warrants.

The platform is commercially available from launch, with paid plans enabled and billing powered by Stripe, a trusted and industry leading payments provider.

Catenai and Alludium will be hosting a live investor presentation and product demonstration on the Investor Meet Company platform. Further details including date and registration information will be announced shortly. Investors who follow Catenai on the Investor Meet Company platform will be notified directly.

John Frizelle, Founder & CEO of Alludium, commented:

"Opening Alludium to the public is a milestone we've been working tirelessly toward since day one. We've spent months refining the platform with our design partners and we're now ready to put it in the hands of a wider audience. This is the beginning of a new chapter for Alludium."

John Farthing, CEO of Catenai Plc, commented:

"Alludium's launch represents the delivery of a commitment we've been building toward since our initial investment. We're proud to see the team reach this milestone and look forward to supporting their continued growth."

The platform can be accessed at www.alludium.ai.

This announcement contains inside information for the purposes of the UK Market Abuse Regulation. The person who arranged for release of this announcement on behalf of the Company was John Farthing, Interim Chief Executive Officer of the Company and the Directors of the Company are responsible for the release of this announcement.

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Notes to Editors:

About Catenai PLC

Catenai is an AIM quoted provider of digital media and technology services. The Company has an experienced IT team of project managers and integrators who have deployed systems across corporate, government and educational sectors.

www.catenaiplc.com

Caution regarding forward looking statements

Certain statements in this announcement, are, or may be deemed to be, forward looking statements. Forward looking statements are identified by their use of terms and phrases such as ''believe'', ''could'', "should" ''envisage'', ''estimate'', ''intend'', ''may'', ''plan'', ''potentially'', "expect", ''will'' or the negative of those, variations or comparable expressions, including references to assumptions. These forward looking statements are not based on historical facts but rather on the Directors' current expectations and assumptions regarding the Company's future growth, results of operations, performance, future capital and other expenditures (including the amount, nature and sources of funding thereof), competitive advantages, business prospects and opportunities. Such forward looking statements reflect the Directors' current beliefs and assumptions and are based on information currently available to the Directors.