10 January 2025

Atalaya Mining Copper, S.A.

("Atalaya" or "the Company")

Completion of Re-domiciliation to Spain

Facilitates possible inclusion in the FTSE UK Index Series

Atalaya Mining Copper, S.A. (LSE: ATYM) is pleased to announce that the re-domiciliation of Atalaya to Spain is now complete.  Therefore, trading in Atalaya's shares under the previous registered name of Atalaya Mining Plc has now ceased, and trading in Atalaya's shares under the new registered name of Atalaya Mining Copper, S.A. is effective as of 8:00am today. The nominal value of Atalaya's shares has also changed from 7.5p to €0.09 per share.

Following completion of the re-domiciliation, the actions and initiatives noted in the Company's release on 6 January 2025 are now effective. Such actions, including the change of the registered name of the Company to Atalaya Mining Copper, S.A., were effective on 9 January 2025, with retrospective effect for Spanish corporate law purposes as from 27 December 2024.

Alberto Lavandeira, CEO, commented:

"We are delighted to have completed this re-domiciliation process, which follows our move to the Main Market. Combined, these initiatives open the possibility for Atalaya to be included in the FTSE UK Index Series, and support our commitment to expanding our investor base and fulfilling our ambition to become a multi-asset copper producer with a portfolio of sustainable, scalable and low-risk operations."

Total Voting Rights

As at today's date, the total number of ordinary shares of the Company in issue is 140,759,043. The Company does not hold any shares in treasury, and therefore as at today's date the total number of voting rights in the Company is 140,759,043 . This figure may be used by shareholders 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.

Contacts:

About Atalaya Mining Copper, S.A.

Atalaya is a European copper producer that owns and operates the Proyecto Riotinto complex in southwest Spain. Atalaya's shares trade on the London Stock Exchange's Main Market under the symbol "ATYM".

Atalaya's operations include the Cerro Colorado open pit mine and a modern 15 Mtpa processing plant, which has the potential to become a central processing hub for ore sourced from its wholly owned regional projects around Riotinto, such as Proyecto Masa Valverde and Proyecto Riotinto East. In addition, Atalaya has a phased earn-in agreement for up to 80% ownership of Cobre San Rafael S.L., which fully owns the Proyecto Touro brownfield copper project in the northwest of Spain, as well as a 99.9% interest in Proyecto Ossa Morena. For further information, please visit www.atalayamining.com