Montero Strengthens Avispa Copper-Molybdenum Project Land Position in Northern Chile

Montero expanded Abeja concessions and streamlined Avispa holdings in northern Chile.

What the company is saying

Montero Mining and Exploration Ltd. is communicating that it has consolidated and expanded its mineral tenure at its 100%-owned Avispa Copper-Molybdenum Project in northern Chile. The company highlights that the Avispa and Abeja concession groups now total 81 concessions and applications, with a specific breakdown of 50 exploitation and 31 exploration concessions or applications. In 2026, Montero reduced the Avispa concession area by approximately 1,350 hectares while advancing 33 concessions through the exploitation concession application process and retaining one exploration concession. At Abeja, the company increased its portfolio from 34 to 47 concessions, expanding the area from 9,600 to 13,090 hectares, now comprising 17 exploitation and 30 exploration concessions or applications. The announcement frames these changes as strengthening Montero's land position in a major Chilean copper belt, with Dr. Tony Harwood, President and CEO, emphasizing the project's potential for concealed copper-molybdenum porphyry deposits. The company states its intention to integrate geological and geochemical data with historical and geophysical datasets to prioritize future drill targets. Technical review and approval is attributed to Mr. Marcial Vergara, an independent consulting geologist and Qualified Person under NI 43-101. The tone is confident, focusing on operational progress and the scale of the company's current land package.

What the data suggests

The company now controls 81 mineral concessions and applications across the Avispa and Abeja groups, with 50 exploitation and 31 exploration concessions or applications. During 2026, Montero reduced the Avispa concession area by about 1,350 hectares, advanced 33 concessions through the exploitation concession application process, and retained one exploration concession. The Abeja portfolio increased from 34 to 47 concessions, with the area expanding from 9,600 to 13,090 hectares, and now includes 17 exploitation and 30 exploration concessions or applications. Montero holds a 100% interest in the Avispa project, and its current capital structure consists of 11,181,106 common shares, 1,363,637 warrants, and 735,383 stock options outstanding. The update provides no new exploration results, grades, or resource estimates, but references prior geological mapping, geochemical sampling, and historical drill-chip reconnaissance as having identified prospective geology and anomalous copper-molybdenum geochemistry. The company is at the stage of integrating datasets to identify and prioritize drill targets, with no immediate operational or financial catalysts disclosed. The data is comprehensive for tenure and share structure, but lacks quantitative technical or economic results.

Analysis

The announcement is primarily a factual update on mineral tenure and concession portfolio changes at the Avispa and Abeja groups in Chile. The majority of claims are realised and supported by specific numerical data (concession counts, hectares, share structure), with only one forward-looking statement regarding future integration of geological data to identify drill targets. There is no exaggerated language or narrative inflation; the tone is positive but proportionate to the operational progress disclosed. No large capital outlay or immediate earnings impact is referenced, and the update does not claim imminent drilling or resource definition. The gap between narrative and evidence is minimal, as the company refrains from making speculative or aspirational claims about discovery or development. The only mild inflation is in describing the areas as 'prospective' without supporting technical data.

Risk flags

• ●Operational risk remains high, as Montero has not yet advanced to drilling or resource definition; the current stage is limited to land consolidation and target identification, which may or may not lead to economic discoveries.
• ●Disclosure risk is present because the company references encouraging geology and geochemistry but provides no specific grades, intercepts, or technical data, making it difficult for investors to independently assess the project's prospectivity.
• ●Execution risk is material, as the transition from tenure consolidation to successful exploration and eventual development in Chile's competitive copper belt will require significant technical, financial, and regulatory progress, none of which are imminent based on the current update.

Bottom line

Montero Mining and Exploration Ltd. has expanded its Abeja concession holdings and streamlined its Avispa portfolio, now controlling 81 concessions and applications in northern Chile's copper belt. The company is still at an early exploration stage, with no new technical or economic results disclosed beyond land tenure and concession statistics. While the land position is now larger and more consolidated, there is no immediate catalyst for value creation until drill targets are identified and tested. Investors should recognize that the announcement is operationally detailed but provides no new evidence of mineralization or economic potential. The most important takeaway is that Montero is positioning itself for future exploration, but tangible value will depend on successful technical work and subsequent discoveries.

Announcement summary

(TSXV:MON, FSE:ES0) Montero Mining and Exploration Ltd. announced an update on the mineral tenure of its 100%-owned Avispa Copper-Molybdenum Project in northern Chile, following a programme of concession applications and consolidation during 2026. The Avispa Project comprises the Avispa and Abeja concession groups, which together contain 81 mineral concessions and applications, including 50 exploitation and 31 exploration concessions or applications. In 2026, Montero rationalised its Avispa concession holdings, reducing the area by approximately 1,350 hectares while advancing 33 concessions through the exploitation concession application process and retaining one exploration concession. At Abeja, the company increased its concession portfolio from 34 to 47 concessions, expanding the area from approximately 9,600 hectares to 13,090 hectares. The Abeja portfolio now comprises 17 exploitation concessions or applications and 30 exploration concessions or applications. These changes consolidate Montero's mineral tenure over areas considered prospective for porphyry copper-molybdenum mineralisation. Dr. Tony Harwood, President and CEO of Montero, stated that the company has strengthened its Avispa land position through concession consolidation and expansion of the Abeja holdings. Avispa is located within Chile's Palaeocene-Eocene copper-molybdenum porphyry belt, where much of the prospective geology is concealed beneath younger sedimentary cover. Historical exploration, Montero's geological mapping, surface geochemical sampling, and reconnaissance sampling of historical drill-chip material have identified prospective intrusive rocks, alteration, and anomalous copper-molybdenum geochemistry. These results support Montero's exploration model for concealed porphyry copper-molybdenum systems. The company intends to integrate its geological and geochemical results with historical exploration information and geophysical datasets to identify and prioritise targets for future drilling. The scientific and technical information in this press release has been reviewed and approved by Mr. Marcial Vergara, B.Sc., an independent consulting geologist and Qualified Person as defined by National Instrument 43-101. Montero holds a 100% interest in the Avispa copper-molybdenum project in the Palaeocene Porphyry Cu-Mo Belt of northern Chile and has options to acquire the Elvira and Potrero gold projects in the Maricunga Gold Belt. Montero is listed on the TSX Venture Exchange under the symbol MON, the OTC market under the symbol MXTRF, and the Frankfurt Stock Exchange under the symbol ES0. The company has 11,181,106 common shares, 1,363,637 warrants, and 735,383 stock options outstanding.

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