Exercise of Share Options & TVR

Diales Group Plc

("Diales" or the "Company " or the "Group")

Exercise of Share Options

and

Total Voting Rights

Diales Group Plc (AIM: DIAL), the leading global professional services consultancy to the construction and engineering industries, providing multi-disciplinary consultancy services including expert witness, claims and dispute resolution services, announces that options (the "Options") over 100,000 ordinary shares of 0.4 pence each in the Company ("Ordinary Shares") have been exercised on 14 April 2026 by an employee, pursuant to the Company's Long Term Incentive Plan 2020.

To satisfy the exercise of these Options, 100,000 existing Ordinary Shares were transferred from treasury (the "Transfer).

Total Voting Rights

Following the exercise of Options and the Transfer, the issued share capital of the Company consists of 53,962,868 Ordinary Shares of which 1,157,474 are held in treasury. Therefore, the total number of Ordinary Shares carrying voting rights in the Company is 52,805,394. This figure of 52,805,394 may be used by the Company's shareholders as the denominator for the calculation by which they will determine whether they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the Disclosure Guidance and Transparency Rules.

Enquiries: