THIS ANNOUNCEMENT IS MADE FOR INFORMATION PURPOSES ONLY AND DOES NOT CONSTITUTE AN OFFER TO SELL OR ISSUE OR SOLICITATION TO BUY, SUBSCRIBE FOR OR OTHERWISE ACQUIRE SHARES IN ATALAYA MINING PLC IN ANY JURISDICTION IN WHICH ANY SUCH OFFER OR SOLICITATION WOULD BE UNLAWFUL.

24 April 2024

Atalaya Mining Plc.

("Atalaya" or "the Company")

Publication of  Prospectus

 Planned move from AIM to the Main Market

Atalaya Mining Plc (AIM: ATYM) is pleased to announce the publication of a prospectus ("Prospectus") in relation to the proposed admission of its ordinary shares ("Ordinary Shares") to the premium listing segment of the Official List of the Financial Conduct Authority ("FCA") and to trading on London Stock Exchange plc's main market for listed securities ("Main Market") (together, "Admission").

It is expected that: (i) the Ordinary Shares will be admitted to the premium listing segment of the Official List and to trading on the Main Market at 8:00am on 29 April 2024; and (ii) trading in the Ordinary Shares on AIM will be cancelled by 7:00am on 29 April 2024. The last day of trading of the Ordinary Shares on AIM is therefore expected to be 26 April 2024.

The Company is not offering any new Ordinary Shares nor any other securities in connection with the proposed Admission. Following Admission, the Ordinary Shares will continue to be registered with their existing ISIN of: CY0106002112 and the Company's ticker symbol will continue to be ATYM.

The Company's shareholders should consult their own professional advisors regarding the consequences of Admission on their personal tax position.

The Prospectus has been approved by the FCA and will shortly be available to view on Atalaya's website at https://atalayamining.com/investors/. A copy of the Prospectus will be submitted to the National Storage Mechanism and will be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Contacts:

About Atalaya Mining Plc

Atalaya is an AIM-listed mining and development group which produces copper concentrates and silver by-product at its wholly owned Proyecto Riotinto site in southwest Spain. Atalaya's current 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 that include Proyecto Masa Valverde and Proyecto Riotinto East. In addition, the Group has a phased earn-in agreement for up to 80% ownership of Proyecto Touro, a brownfield copper project in the northwest of Spain, as well as a 99.9% interest in Proyecto Ossa Morena. For further information, visit www.atalayamining.com

Important Notices:

Neither the content of the Company's website nor any website accessible by hyperlinks on the Company's website is incorporated in, or forms part of, this announcement.

This announcement contains statements that are, or may be deemed to be, "forward-looking statements". These forward-looking statements can be identified by the use of words such as "will", "expect", "could", "believe", "intend", "should" and words of similar meaning. All statements other than statements of historical facts included in this announcement, including those regarding the Company's strategy, plans and objectives and the anticipated Admission are forward-looking statements. These statements are not fact and readers are cautioned not to place undue reliance on such statements. Forward-looking statements involve a number of known and unknown risks, uncertainties and other factors, many of which are difficult to predict and generally beyond the control of Atalaya and so may not occur. These forward-looking statements speak only as of the date of this announcement. Atalaya expressly disclaims any obligation or undertaking to update or revise any forward-looking statement (except to the extent legally required).

You are advised to read the Prospectus in its entirety, and, in particular, the section of the Prospectus headed "Risk Factors", for a further discussion of the factors that could affect the Company's future performance and the industry in which it operates.

Peel Hunt LLP ("Peel Hunt"), which is authorised and regulated in the United Kingdom by the FCA, is acting exclusively for the Company as Sponsor and no one else in connection with Admission and it will not regard any other person as a client in relation to Admission and will not be responsible to anyone other than the Company for providing the protections afforded to its clients or for providing advice in relation to Admission or any other transaction, matter, or arrangement referred to in this announcement.

This announcement has been issued by, and is the sole responsibility of, the Company. No representation or warranty, express or implied, is or will be made as to, or in relation to, and no responsibility or liability is or will be accepted by Peel Hunt or by any of its affiliates, partners, directors, officers, employees, advisers or agents as to or in relation to, the accuracy or completeness of this announcement or any other written or oral information made available to or publicly available to any interested party or its advisers, and any liability therefore is expressly disclaimed.