Montero Commences Initial Drilling at the Elvira Gold Project in Chile

Toronto, Ontario – May 28, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”)is pleased to announce that drilling has commenced at the Elvira Gold Project in Chile. The simplified geology and concession area are shown in Figure 1. The current first-pass drill program is designed to … Read more

Montero Defines Initial First-Pass Drill Program at the Elvira Gold Project in Chile

Toronto, Ontario – May 26, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to announce that it has finalized the initial first-pass drill program at its Elvira Gold Project in Chile (see Figure 1). *Adjacent property Mineral Resource and Mineral Reserve estimates shown in … Read more

Montero Comments on Proposed Changes to Chile’s Mining Concession Regime

Toronto, Ontario, May 21, 2026 – Montero Mining and Exploration Ltd. (“Montero” or the “Company”) notes the announcement by the Government of Chile regarding proposed amendments to Chile’s Mining Code and mining concession fee regime, aimed at supporting mineral exploration and development activities in the country. On May 18, 2026, the Government of Chile submitted a … Read more

Montero Mobilises for Phase 1 Diamond Drill Program at Elvira Gold Project

Toronto, Ontario – May 19, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to announce commencement of mobilisation and operational preparations for a Phase 1 diamond drill program at the Elvira gold project, located in Chile’s Maricunga Gold Belt. The Company has finalised its drilling … Read more

Montero Identifies Coherent Deep Porphyry Targets at Elvira Gold Projectfrom Geochemical Vector Modelling

Toronto, Ontario – March 26, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to report the results of independent geochemical vector modelling completed by Fathom Geophysics (“Fathom”) on rock geochemistry collected from its Elvira gold project in Chile’s Maricunga Gold Belt. The modelling forms … Read more

Montero Identifies Large Hydrothermal System with Epithermal and Porphyry-Style Characteristics at Elvira Gold Project

Toronto, Ontario – March 24, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to report geochemical results from its Elvira gold project in Chile’s Maricunga Gold Belt.  This work forms part of the Company’s ongoing integrated exploration program combining geological mapping, geophysical surveys, geochemical datasets … Read more

Montero Identifies Initial Exploration Targets at Elvira Gold Project Following Integrated Geological and Geophysical Interpretation

Toronto, Ontario – March 18, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to provide an update on the interpretation of geological, geochemical and geophysical datasets at its Elvira gold project in Chile’s Maricunga Gold Belt, following completion of the Phase 1 exploration program … Read more

Montero Completes Exploration Programs at Potrero Gold Project and Advances Data-Driven Targeting Strategy

Toronto, Ontario – March 09, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to announce the completion of a comprehensive data compilation and detailed exploration program at its Potrero gold project in Chile’s Maricunga Belt, a a well-established gold mining district in northern Chile. … Read more

Montero Completes Exploration Programs at Elvira Gold Project and Advances Data-Driven Targeting Strategy

Toronto, Ontario – March 2, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) is pleased to announce the completion of a comprehensive data compilation and detailed exploration program at its Elvira gold project in Chile’s Maricunga Belt. The program incorporates advanced data analytics, including artificial intelligence … Read more

Montero Announces Board and Audit Committee Change

Toronto, Ontario – January 26, 2026 – Montero Mining and Exploration Ltd. (TSX-V: MON) (OTCPK: MXTRF) (FSE: ES0) (“Montero” or the “Company”) announces that Mr. Andrew Thomson has stepped down as a Director of the Company and as Chair of the Audit Committee, effective January 26, 2026, to pursue other professional opportunities. Mr. Thomson has been … Read more