30 April 2026

ATOME PLC

("ATOME", "the Company", or "the Group")

Director / PDMR shareholding

As announced on 24 April 2026, certain Directors of the Company had agreed to subscribe for Management Subscription Shares at the Issue Price. Further to this announcement, following admission of the Management Subscription Shares to trading on AIM today, the participating Directors' interests are now as follows:

*The Ordinary Shares shown against Peter Levine's name include his direct holding of 14,329,864 Ordinary Shares, 1,630,000 Ordinary Shares held by Alpha Energies Invest GmbH and 3,558,896 Ordinary Shares held by PLLG Investments Limited.

Further details of the Directors' participation in accordance with the requirements of the Market Abuse Regulation are set out in the Appendix to this announcement.

A copy of this announcement is available on the Company's website, at https://www.atomeplc.com

Capitalised terms used but not otherwise defined in this announcement shall have the meanings ascribed to such terms in Appendix III of the Company's announcement issued on 23 April 2026 at 5.22 p.m. unless the context requires otherwise.

For further information on ATOME, please visit the Company's Curation Connect showcase at: https://app.curationconnect.com/company/Atome-71605

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

About ATOME

ATOME PLC is an AIM-listed company targeting green fertiliser production with 445-megawatt of projects in Paraguay and a further pipeline of potential projects in Central America. ATOME has now created its ATOME POWER division which is in the early stages of developing a significant green power generation and infrastructure business. ATOME's projects are situated at the heart of one of the world's largest food export hubs - the Mercosur region in the Southern Cone of South America with the Argentinian and Brazilian markets next door. ATOME's production will disrupt the region's heavy dependence on imported fossil fuel generated fertilizer, contributing to regional food security goals.

ATOME's first project in Villeta, Paraguay, benefits from a 125MW renewable power purchase agreement and a 30-hectare site in a tax-free zone, Front End Engineering Design studies have been completed and a 10-year Definitive Offtake Agreement signed with Yara International, the leading international fertiliser company, for offtake of all of Villeta's green fertiliser production, as well as a US$465 million fixed-price EPC contract with leading ammonia and fertiliser engineering specialist Casale S.A. ATOME declared Final Investment Decision on the Villeta Project (subject to shareholder approval) in April 2026 following completion of US$665 million project finance with construction to commence in 2026.

All power for ATOME is from 100% renewable sources and all chosen sites are located close to the power and water sources and export facilities to serve significant domestic and then international demand. Roughly a third of human caused GHG emissions is linked to food production according to UN data, and fertiliser use and production is the source of more emissions than the shipping and aviation industries combined. ATOME's green Calcium Ammonium Nitrate product will contribute to decarbonising the food sector from the bottom up, getting to the root of the food value chain's emissions. ATOME's renewably generated fertiliser is both low-carbon and provides a secure, stable alternative product not reliant on fossil fuels, unlike all nitrogen fertilizer production today.

The Company has a green-focused Board which is supported by major shareholders including Peter Levine, Schroders, a leading fund manager, and Baker Hughes, a global technology company operating in the energy and industry sectors.

Beaumont Cornish Limited ("Beaumont Cornish"), which is authorised and regulated in the United Kingdom by the FCA and is a member of the London Stock Exchange, is the Company's nominated adviser for the purposes of the AIM Rules. Beaumont Cornish is acting exclusively for the Company and will not regard any other person (whether or not a recipient of this announcement) as a client and will not be responsible to anyone other than the Company for providing the protections afforded to its clients nor for providing advice in relation to the contents of this announcement or any other matter referred to herein. Beaumont Cornish's responsibilities as the Company's nominated adviser under the AIM Rules for Nominated Advisers are owed to the London Stock Exchange and not to any other person and in particular, but without limitation, in respect of their decision to acquire Ordinary Shares in reliance on any part of this announcement. Beaumont Cornish has not authorised the contents of this announcement for any purpose and no liability whatsoever is accepted by Beaumont Cornish nor does it make any representation or warranty, express or implied, as to the accuracy of any information or opinion contained in this announcement or for the omission of any information. Beaumont Cornish expressly disclaims all and any responsibility or liability whether arising in tort, contract or otherwise which it might otherwise have in respect of this announcement.

APPENDIX

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