The information contained within this announcement is deemed by the Company to constitute inside information for the purposes of Article 7 of EU Regulation 596/2014 (which forms part of domestic UK law pursuant to the European Union (Withdrawal) Act 2018) ("UK MAR"). Upon the publication of this announcement via a Regulatory Information Service, this information is considered to be in the public domain.

For immediate release

1 May 2024

BOSTON INTERNATIONAL HOLDINGS PLC

("BIH" or the "Company")

Annual Financial Report - Delay in Publication

The Company announces that as it continues putting together financing arrangements for the reverse takeover of Hyperion Resources Limited (details of which were announced on 5 October 2023 and 3 January 2024) and for the Company generally, it was not in a position to finalise and publish its Annual Financial Report for the financial year ended 31 December 2023 by the required deadline of 30 April 2024.

The Company will update the market in due course as appropriate.

For more information, please contact:

Beaumont Cornish Limited, which is authorised and regulated in the United Kingdom by the Financial Conduct Authority, is Financial Adviser to the Company in relation to the matters referred herein. Beaumont Cornish Limited is acting exclusively for the Company and for no one else in relation to the matters described in this announcement and is not advising any other person and accordingly will not be responsible to anyone other than the Company for providing the protections afforded to clients of Beaumont Cornish Limited, or for providing advice in relation to the contents of this announcement or any matter referred to in it.