NI 43-101 Disclosure

Information on this website of a technical or scientific nature has been reviewed and approved by Donald Mc Iver, Fellow SEG and Fellow Aus IMM. Mr. Mc Iver is Vice President, Exploration and Geology of Bear Creek Mining Corporation and is a qualified person (“QP”) as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects.

Information related to the quality assurance and quality control (“QAQC”) measures applied to scientific and technical data and results is available in the technical reports listed below.

Mercedes Mine

The 2024 Mercedes Report was prepared on behalf of the Company by Global Resource Engineering Ltd. and the following Qualified Persons (“QP”, as defined in NI 43-101): Terre Lane, MMSA and SME Registered Member, Principal Mining Engineer at GRE; Todd Harvey, PhD, PE and SME Registered Member, Principal Metallurgist at GRE; Hamid Samari, PhD, MMSA, Principal Geologist at GRE; Larry Breckenridge, PE (Colorado, USA), Principal Environmental Engineer at GRE; Luis Quirindongo, SME Registered Member, Principal Geotechnical Engineer at GRE; and Donald Mc Iver, FAusIMM Member and FSEG Member, Vice President Exploration and Geology at Bear Creek Mining Corporation. Sections of the 2024 Mercedes Report for which each QP was responsible are provided in the 2024 Mercedes Report. Each of these individuals has read, certified their participation in and consented to the use, public disclosure and filing of the 2024 Mercedes Report.

Corani Project

The 2019 Report was prepared by Ausenco Services Pty Ltd, with input from additional technical, legal and financial participants and the following Qualified Persons (“QP”, as defined in National Instrument 43-101): Greg Lane, FAusIMM, Chief Technical Officer of Ausenco Services Pty Ltd, is the QP responsible for the Summary, Introduction, Reliance on Other Experts, Interpretation, Recovery Methods, Project Infrastructure, Concentrate Market Studies and Contracts, Capital and Operating Costs, Economic Analysis, Adjacent Properties, Other Relevant Data and Information, Interpretation and Conclusions, Recommendations, and References; Kevin Gunesch, PE, Principal Mining Engineer of GRE, is the QP for the Property Description and Location, Accessibility, Climate, Local Resources, Infrastructure and Physiography, and History; Terre Lane, MMSA, Principal Mining Engineer of GRE, and Todd Harvey, Director of Processing and President of GRE, are the QP’s for Mineral Processing and Metallurgical Testing; Terre Lane, MMSA, Principal Mining Engineer of GRE, is the QP responsible for Geometallurgical Modeling, Mineral Resource and Mineral Reserve Estimates, and Mining Methods; Hamid Samari, Senior Geologist of GRE, is the QP responsible for Geological Setting and Mineralization, Deposit Types, Exploration, Drilling, Sample Preparation, and Data Verification; Denys Parra, SME Registered Member, General Manager of Anddes Peru is the QP responsible for Waste Management, Mine Waste Rock and Tailings Management Facilities, and, Water Supply and Management; Eduardo Ruiz, EFG Register Member, General Manager of Amphos 21, is the QP responsible for Summary of Air, Noise, Groundwater and Surface Water Studies, Site Water Balance, Closure Phase Water Management, and, Monitoring, and Maintenance; David Arcos, EFG Register Member, Geochemistry Manager of Amphos 21, is the QP responsible for Summary of Geochemical Studies; and, Michael Meyer, Ph.D., MMSA, Principal Scientist of Meyer EPS Inc., is the QP responsible for Environmental Studies, Permitting, and Social or Community Impact. Each of these individuals has read, certified their participation in and consented to the use, public disclosure and filing of the 2019 Report.