METALLA ROYALTY & STREAMING | December 2024 | 25 Notes (1) For details, please refer to IAMGOLD’s 2023 Annual Information Form and IAMGOLD’s Press Release dated October 23, 2023 which Metalla holds a royalty, stream or other interest, and generally has limited or no ability to independently verify such available at sedarplus.ca. Annual GEOs calculated by applying the royalty rate and 6% Cote royalty coverage to life of mine information. Although Metalla does not have any knowledge that such information may not be accurate, the Company has not average production. independently verified this information and there can be no assurance that such third-party information iscomplete or accurate. Some information publicly reported by operators may relate to a larger property than the area covered by Metalla's royalty, (2) For details, please refer to the Feasibility Study – NI 43-101 Technical Report for the Tocantinzinho Gold Project with an streamor otherinterests. Metalla's royalty, stream or other interests can cover less than 100% and sometimes only a portion of the effective date of December 10, 2021 and the G Mining Ventures’ Press Release dated September 12, 2023. Annual GEOs publicly reported mineral reserves, resources and production of a property. Unless otherwise indicated,the technical and scientific calculated by applying royalty rateto life of mine average production. disclosure contained or referenced in this prsentation, including any references to mineral resources or mineral reserves, was prepared in accordance with Canadian NI 43-101, which differs significantly from the requirements of the U.S. Securities and (3) For details, please refer to the Technical Report for the Castle Mountain Project Feasibility Study with an effective date of Exchange Commission (the