1 December 2025

Catenai PLC

("Catenai" or the "Company")

 Alludium Update

Catenai PLC (AIM: CTAI), the AIM quoted provider of digital media and technology, is pleased to provide an update on Alludium Ltd ("Alludium"), the AI agent platform designed to help teams automate complex work and streamline operational processes, following its attendance at Web Summit 2025, which was held from 10 - 13 November 2025 in Lisbon, Portugal.

Alludium made its first public appearance at Web Summit 2025, following a period of development in stealth. Over the course of the three-day event, Alludium engaged with investors, operators, founders, and enterprise leaders, providing an early preview of its platform and outlining how AI agents can be applied to improve operational efficiency within modern organisations.

Members of the Alludium team contributed to the event's programme with a masterclass focused on the application of AI agents within venture capital operations. The session generated interest from investors and operators seeking to incorporate agent-driven automation into core workflows such as deal sourcing, diligence, and portfolio monitoring.

Throughout the week, Alludium held a series of meetings with venture firms, potential customers, and prospective design partners. Several organisations expressed interest in participating in structured early testing and in developing tailored agent workflows with Alludium.

John Frizelle, CEO of Alludium commented: "Web Summit marked an important milestone in Alludium's transition from stealth into a more public phase of engagement. The team continues to onboard selected design partners and is further refining the platform's agent creation and orchestration capabilities ahead of a broader planned release."

About Alludium

Alludium is developing an Agent Operating System that enables users to create, deploy and share custom agents through conversation, no coding required. Unlike traditional AI tools that operate in isolation, Alludium's platform allows multiple AI agents to collaborate with each other and with users, building institutional memory and automating workflows across organisations.

The platform addresses a growing market need for AI solutions that can scale beyond individual use cases to enable true human-AI team collaboration. Alludium's technology allows agents to communicate, coordinate tasks, and share intelligence to solve complex problems together.

The person who arranged for the 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.

For further information please contact:

Notes to Editors:

About Catenai PLC

Catenai is an AIM quoted provider of digital media and technology services. The Company specialises in IT solutions that solve commercial challenges and create opportunities for its clients, with an increasing focus incorporating AI into its platforms. The Company has an experienced IT team of project managers and integrators who have deployed systems across corporate, government and educational sectors.

http://www.catenaiplc.com

About Alludium Ltd

https://www.alludium.ai/

This communication is a "Reach" announcement. Reach is a non-regulatory news service. By using

this service an issuer is confirming that the information contained in this announcement is of a non-

regulatory nature. Information required to be notified under the AIM Rules for Companies, Market

Abuse Regulation or other regulation would be disseminated as an RNS regulatory announcement