Rule 2.9 Announcement

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF THAT JURISDICTION

FOR IMMEDIATE RELEASE

21 April 2026

NCC Group plc ("NCC", or the "Company")

Rule 2.9 Announcement

In accordance with Rule 2.9 of the City Code on Takeovers and Mergers (the "Code"), NCC confirms that, as at the date and time of this announcement, it has in issue 287,383,387 ordinary shares with a nominal value of 1 pence each, all of which carry one voting right per share ("Ordinary Shares"). The Company does not hold any Ordinary Shares in treasury. Therefore, the total number of voting rights in the Company is 287,383,387.

Further to the Company announcement on 20 April 2026, the Company is in the process of cancelling the final shares purchased in connection with the share buyback programme announced on 21 January 2026. The Company will issue a further announcement with the total number of voting rights in the Company following the completion of this cancellation.

The International Securities Identification Number for the Ordinary Shares is GB00B01QGK86. The Company's Legal Entity Identifier is 213800DJCGZRB6523934.