Atome Regulatory News (ATOM)

For immediate release

19 June 2026

ATOME PLC

("ATOME" or the "Company")

Villeta Project Update

ATOME, further to the announcement made on 10 June, notes the recent share price movement and confirms that discussions continue to progress with the Government of Paraguay and with ANDE, Paraguay's state-owned electricity supplier.

ATOME remains actively engaged with all relevant stakeholders and will provide a further market update as soon as discussions reach a definitive conclusion.

For more information, please visit https://www.atomeplc.com or contact:

IMPORTANT NOTICE

Beaumont Cornish Limited ("Beaumont Cornish"), which is authorised and regulated in the United Kingdom by the FCA, is acting as nominated adviser to the Company. Beaumont Cornish will not regard any other person as its client and will not be responsible to anyone else for providing the protections afforded to the clients of Beaumont Cornish or for providing advice in relation to such proposals. No representation or warranty, expressed or implied, is made by Beaumont Cornish or any of its directors, officers, partners, employees, agents or advisers as to the contents herein including in its accuracy, completeness or verification, or for any other statement made or purported to be made by it or on its behalf, in connection with the Fundraising or Transaction. Beaumont Cornish as nominated adviser to the Company owes certain responsibilities to the London Stock Exchange which are not owed to the Company, the Directors, Shareholders or any other person.

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