9 September 2026

Calnex Solutions plc

("Calnex" or the "Company")

Capital Markets Day

Calnex Solutions plc (AIM: CLX), a leading provider of test and measurement solutions for global telecommunications, digital infrastructure and government & defence markets, will today host a Capital Markets Day for institutional investors and analysts.

Tommy Cook, CEO and Ashleigh Greenan, CFO, will be joined by Adam Paterson, Head of Products, Peter White, VP of Marketing and Products, and Graeme Urquhart, VP of Sales.

Presentations will cover the opportunity within timing solutions, the growing need for resilience across network infrastructure, why AI is shaping Data Centre and Cloud Computing infrastructure, and Calnex's route to market.

The Company's trading performance in FY27 remains in line with market expectations, and no update on trading will be provided during the meeting.

A copy of the presentation will be made available on the Company's website following the event.

For more information, please contact:

Overview of Calnex

Calnex Solutions designs, produces and markets innovative test and measurement instrumentation that enables customers to validate the performance of critical network technologies and applications. Our solutions support customers from R&D and pre‑deployment through to in‑service testing, providing confidence that networks and applications operate as intended in increasingly complex and performance‑critical environments.

To date, Calnex has secured and delivered orders in 68 countries across the world. Customers include BT, China Mobile, NTT, Ericsson, Nokia, Intel, Qualcomm, IBM, Nvidia and Meta.

Founded in 2006, Calnex is headquartered in Linlithgow, Scotland, with additional locations in Belfast, Northern Ireland, Stevenage, England and California in the US, supported by sales teams in China and India. Calnex has a global network of partners, providing worldwide distribution and market access.