NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION TO ANY U.S. PERSON (AS DEFINED IN REGULATION S UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT")) ("U.S. PERSON") OR IN OR INTO THE UNITED STATES OF AMERICA, ITS TERRITORIES AND POSSESSIONS (THE "UNITED STATES") OR IN OR INTO ANY OTHER JURISDICTION WHERE IT IS UNLAWFUL TO RELEASE, PUBLISH OR DISTRIBUTE THIS DOCUMENT.

Atom Holdco Limited

4 October 2024

Publication of Admission Particulars in respect of Atom Holdco Limited's £50,000,000 11.500 per cent. Fixed Rate Reset Callable Subordinated Notes due 2035 (the "Notes")

The following admission particulars (the "Admission Particulars") have been approved by the International Securities Market of the London Stock Exchange and are available for viewing:

Atom Holdco Limited's £50,000,000 11.500 per cent. Fixed Rate Reset Callable Subordinated Notes due 2035, dated 4 October 2024

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http://www.rns-pdf.londonstockexchange.com/rns/0324H_1-2024-10-4.pdf

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Admission Particulars may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Admission Particulars) only and is not intended for use and should not be relied upon by any person outside these countries. Prior to relying on the information contained in the Admission Particulars you must ascertain from the Admission Particulars whether or not you are part of the intended addressees of the information contained therein.

Your right to access this service is conditional upon complying with the above requirement.

This RNS and the materials referenced herein are not for distribution, directly or indirectly, in or into the United States (including its territories and dependencies, any State of the United States and the District of Columbia). These materials do not constitute or form a part of any offer or solicitation to purchase or subscribe for securities in the United States. The Notes have not been, and will not be, registered under the Securities Act.

The Notes may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. There will be no public offer of the Notes in the United States.