30 October 2025

Calnex Solutions plc

("Calnex", or the "Company")

Notice of Results and Presentations

Calnex Solutions plc (AIM: CLX), a leading provider of test and measurement solutions for the global telecommunications, cloud computing & datacentres, and government & defence markets, intends to announce its unaudited results for the six months ended 30 September 2025 on 18 November 2025.

Analyst presentation

Tommy Cook, Chief Executive Officer, and Ashleigh Greenan, Chief Financial Officer, will host a live presentation for analysts relating to the results via Zoom on Tuesday 18 November 2025 at 09:00 GMT.

Analysts wishing to attend the presentation should email [email protected] for joining information.

Investor Presentation

The Company will provide a live presentation relating to the interim results via Investor Meet Company on 19 November 2025 at 11:30 GMT.

The presentation is open to all existing and potential shareholders. Questions can be submitted pre-event via your Investor Meet Company dashboard up until 18 November 2025, 09:00 GMT, or at any time during the live presentation.

Investors can sign up to Investor Meet Company for free and add to meet Calnex via:

https://www.investormeetcompany.com/calnex-solutions-plc/register-investor

Investors who already follow Calnex on the Investor Meet Company platform will automatically be invited.

For more information, please contact:

Overview of Calnex

Calnex Solutions designs, produces and markets test and measurement instrumentation and solutions for the telecoms and cloud computing industries. Calnex's portfolio enables R&D, pre-deployment and in-service testing for network technologies and networked applications, enabling its customers to validate the performance of the critical infrastructure associated with telecoms and cloud computing networks and the applications that run on it.

To date, Calnex has secured and delivered orders in 68 countries across the world. Customers include BT, China Mobile, NTT, Ericsson, Nokia, Intel, Qualcomm, 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 a worldwide distribution capability.