Perama Hill Project Overview

Notes on Mineral Resources and Reserves General Mineral Resources and Mineral Reserves are as of September 30, 2023 The Mineral Resources and Mineral Reserves were classified using logic consistent with the CIM Definition Standards for Mineral Resources & Mineral Reserves (2014) incorporated, by reference, into National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101"). Sample preparation, analytical techniques, laboratories used, and quality assurance and quality control protocols used during exploration drilling programs are done consistent with industry standards while independent certified assay labs are used. Mineral Reserves are included in the Mineral Resources. The Mineral Resources and Mineral Reserves are disclosed on a total project basis. Mineral resources which are not mineral reserves do not have demonstrated economic viability. With respect to "inferred mineral resources", there is a great amount of uncertainty as to their existence and a great uncertainty as to their economic and legal feasibility. It cannot be assumed that all or any part of an "indicated mineral resource" or "inferred mineral resource" will ever be upgraded to a higher category. Additional information on the mineral properties mentioned in this news release that are considered to be material mineral properties to the Company are contained in Eldorado's annual information form for the year ended December 31, 2022 and the following technical reports for each of those properties, all of which are available under the Company's profile at www.sedarplus.com and www.sec.gov: . . Technical report entitled "Technical Report, Kisladag Gold Mine, Turkiye" with an effective date of January 17, 2020. Technical report entitled "Technical Report, Efemcukuru Gold Mine, Turkiye" with an effective date of December 31, 2019. Technical report entitled "Technical Report, Olympias Mine, Greece" with an effective date of December 31, 2019. Technical report entitled "Technical Report, Skouries Project, Greece" with an effective date of January 22, 2022. Technical report entitled "Technical Report, for the Lamaque Project, Quebec, Canada" with an effective date of December 31, 2021. Qualified Persons Simon Hille, FAusIMM, Executive Vice President, Technical Services and Operations, is the "qualified person" under NI 43-101 responsible for preparing and supervising the preparation of the scientific or technical information contained in this presentation and verifying the technical data disclosed in this document relating to our operating mines and development projects. Additional qualified persons have approved disclosures for specific properties as detailed in "Mineral Reserve Notes" and "Mineral Resource Notes" below. Jessy Thelland, géo (OGQ No. 758)., Director Technical Services Lamaque, a member in good standing of the Ordre des Géologues du Québec, is the qualified person as defined in NI 43-101 responsible for, and has verified and approved, the scientific and technical disclosure contained in this presentation for the Quebec projects. Cautionary Note to US Investors Concerning Estimates of Measured, Indicated and Inferred Resources There are differences between the standards and terms used for reporting mineral reserves and resources in Canada, and in the United States pursuant to the United States Securities and Exchange Commission's (the "SEC"). The terms mineral resource, measured mineral resource, indicated mineral resource and inferred mineral resource are defined by the Canadian Institute of Mining, Metallurgy and Petroleum (CIM) and the CIM Definition Standards on Mineral Resources and Mineral Reserves adopted by the CIM Council, and must be disclosed according to Canadian securities regulations. These standards differ from the requirements of the SEC applicable to domestic United States reporting companies. Accordingly, information contained in this presentation with respect to mineral deposits may not be comparable to similar information made public by United States companies subject to the SEC's reporting and disclosure requirements. 60

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