Atalaya Mining Plc (AIM:ATYM)(TSX:AYM) is pleased to announce the results from a new preliminary economic assessment ('PEA') for the Cerro Colorado, San Dionisio and San Antonio deposits at its Proyecto Riotinto ('Riotinto') operation in Spain.

Riotinto is Atalaya's flagship asset and currently consists of the operating Cerro Colorado open pit mine, a modern 15 Mtpa processing plant and significant supporting infrastructure. The San Dionisio and San Antonio deposits are located adjacent to the Cerro Colorado pit and the objective of the PEA was to incorporate these deposits into a new integrated mine plan for Riotinto.

Provides significant long-term optionality to rising metals prices

The PEA is preliminary in nature, and includes Inferred Mineral Resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorised as Mineral Reserves, and there is no certainty that the PEA will be realised. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability.

Optimisation Opportunities and Other Riotinto District Highlights

PEA serves as a foundation for continued optimisation

E-LIX System has the potential to unlock additional value by increasing recoveries, reducing offsite costs and lowering the carbon footprint

Revised mining sequence could bring forward highest value material

Unused processing equipment at Riotinto could be refurbished, potentially lowering capital costs associated with the Zn and Pb circuits

Results reinforce the strategic nature of Atalaya's assets in the Riotinto District

Uniquely positioned to deliver low capital intensity growth due to Atalaya's large resource base and significant infrastructure in the region

High quality mining jurisdiction, with access to the critical inputs required for modern and sustainable operations, including experienced labour and renewable sources of electricity and water

About Atalaya Mining Plc

Atalaya is an AIM and TSX-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 centralised 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.

Forward Looking Statements

This announcement contains certain forward-looking statements and forward-looking information (collectively referred to herein as 'forward-looking statements') within the meaning of applicable securities laws. All statements other than statements of historical fact are forward-looking statements. Forward-looking statements are often, but not always, identified by the use of words such as 'anticipate', 'achieve', 'could', 'believe', 'plan', 'intend', 'objective', 'continuous', 'ongoing', 'estimate', 'outlook', 'expect', 'may', 'will', 'project', 'should' or similar words, including negatives thereof, suggesting future outcomes. Such forward-looking statements necessarily involve known and unknown risks and uncertainties, which may cause the Company's actual performance and financial results in future periods to differ materially from any projections of future performance or results expressed or implied by such forward-looking statements.

Forward looking statements contained herein include, but are not limited to, statements regarding the PEA and the associated increases or improvements in production, metallurgical recovery, capital costs, operating costs, project economics and financial metrics, future permitting activities, all of which are based on various assumptions including that the new development plan will proceed on schedule, that the development deposits are mineable as described, that metals prices will be at levels that render Riotinto economic and that internal data and analyses prove to be accurate. Forward-looking statements also include those relating to the future financial and operating performance of the Company and Riotinto, the estimates and realisation of Mineral Resources and Mineral Reserves, the timing and amount of estimated future production, plans relating to future exploration, expansion, development and production activities and the realisation of expected production and life of mine economics of Riotinto.

Certain risks, uncertainties and factors that may cause the actual results, performance or achievements to differ materially from forward-looking statements include, among others, general business, economic, competitive, political and social uncertainties; the actual results of current exploration, production and expansion activities; the actual results of reclamation activities; conclusions of economic evaluations; changes in project parameters as plans continue to be refined; future prices of metals; the future costs of capital to the Company; possible variations of ore grade or recovery rates; failure of plant, equipment or processes to operate as anticipated; accidents, labour disputes and other risks of the mining industry; environmental risks; uncertainties regarding reclamation expenses, title disputes or claims, limitations of insurance coverage, and the timing and possible outcome of litigation and regulatory matters; political instability, terrorist attacks, insurrection or war and delays in obtaining governmental approvals or financing or in the completion of development, construction or expansion activities.

The reader is cautioned that such forward-looking statements are not a guarantee of future performance and may prove to be incorrect. These forward-looking statements are statements regarding the Company's intentions, beliefs or current expectations concerning, among other things, the Company's and/or its subsidiaries' results of operations, financial condition, prospects, growth, strategies, the industry in which the Company and its subsidiaries operate and are based on the opinions and estimates of management at the date the statements are made and should not be unduly relied on. By their nature, forward-looking statements involve risks and uncertainties because they relate to events and depend on circumstances that may or may not occur in the future.

These forward-looking statements speak only as of the date of this announcement and the Company does not undertake any obligation to publicly release any revisions to these forward-looking statements to reflect events or circumstances after the date hereof, except as required by applicable securities laws.

Contact:

Tel: +34 959 59 28 50

Email: comunicacion@atalayamining.com

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