SIMEC Atlantis Energy Regulatory News (SAE)

14 August 2025

SIMEC Atlantis Energy Limited

("SAE", the "Company" or, together with its subsidiaries, the "Group")

Dealing by PDMR

SAE announces that, on 12th August 2025, David Taaffe, COO, exercised 956,522 LTIP options ("Options") over ordinary shares of no par value in the capital of the Company ("Ordinary Shares") at 1.15p per share and 1,033,333 Options at 1.5p per shares, resulting in the issue of a total of 1,989,855 new Ordinary Shares. On the same day, David Taaffe sold 1,989,855 Ordinary Shares at 2.725p per share.

Total Voting Rights

The new Ordinary Shares are being issued pursuant to the block listing application, as announced on 11th August 2025, therefore the Company is issuing 1,989,855 new Ordinary Shares, following which there are 724,802,190 Ordinary Shares in issue. Shareholders should therefore use this figure as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

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Notes to Editors

SAE is a global developer, owner and operator of sustainable energy projects. SAE owns the world's flagship tidal stream project, MeyGen, and the Uskmouth Power Station site, that is being repurposed into a sustainable energy park that will become one of the UK's largest battery energy storage sites. https://www.saerenewables.com/

SAE recently released a video animation highlighting the scale and benefits of the USEP site. This can be viewed here

SAE's strategy: "Building a Sustainable Future to 2035", can be viewed here

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