Quarterly Report

The Mining and Exploration News in Mexico: Highlights on the First Week of November, 2026

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Boxwork Texture in a Quartz Vein

By Miguel A Heredia

During the 43th week of the year (November 02 to November 08, 2026), at least 21 press releases were issued by companies operating in Mexico. Of these, six related to deals and corporate matters, six reported production results, four covered resource and development updates, four presented exploration results, and one announced financial activities. ON MEXICO ISSUES, No relevant news. ON EXPLORATION, In Sonora, Riverside and its JV partner Questcorp announced that they are preparing the Phase 2B exploration drill program at La Union project.  In Sinaloa, Chesapeake reported that it has mobilized a 5,000m in-fill and expansion drill program to test the multiple targets identified recently at its Lucy project, and Mercado Minerals announced the commencement of an inaugural 1,500m drill program at its Zamora project. ON MINING, Elemental Royalty announced that it will release its Q3, 2026 results on November 10, 2026. Avino, Pan American Silver, Torex Resources, First Majestic, and Aura Minerals reported Q3, 2026 operational and financial results. ON FINANCING, Aura Minerals declared Q3, 2026 dividend. ON RESOURCES AND DEVELOPMENT, Sierra Madre commenced a 30,000m drilling program in the east district of the Guitarra mine complex in the State of Mexico. Minaurum Silver completed its 50,000m resource-expansion drill program at its Alamos Silver project in Sonora. Silverco filed on SEDAR a NI 43-101 Technical Report for la Negra project PEA. Goldgroup provided updates on technical studies, exploration and drilling programs for San Francisco and Cerro Prieto properties in Sonora, and Don David property in Oaxaca. ON DEALS AND CORPORATE ISSUES, Canuc announced that it amended its articles to grant its board of directors the right to consolidate the Company’s issued and outstanding common shares on a one-time basis, at a ratio of up to ten existing common shares for one new common share. Goldgroup reported that it has been included in the Solactive Global Silver Miners Index effective at the opening of trading on November 2, 2026. Pan American acquired ownership of 6,250,000 common shares of Galleon Gold Corp. Pantera Silver announced resumption of trading on the TSX Venture Exchange. Teck released its North America Truth and Reconciliation Action Plan. Silver Storm reported that it will present at the 2026 Precious Metals Summit Zurich Conference. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUE

  • No relevant news

ON EXPLORATION

ON MINING

ON FINANCING

  • Aura Declares Dividend of US$0.72 Per Share and US$0.24 Per BDR Based on Q3 2026 Results, Resulting in a Dividend Yield of 4.0%¹ in the LTM: Aura Minerals Inc 1

ON RESOURCES AND DEVELOPMENT

  • Sierra Madre Commences 30,000 Metre Drill Program in the East District of La Guitarra: Sierra Madre Gold and Silver Ltd
  • Minaurum Completes 50,000-Metre Resource-Expansion Drill Program  at the Alamos Silver Project, Drills More High-Grade Silver:  751 g/t AgEq over 2.80 m at Africa, 385 g/t AgEq over 5.30 m at Quintera,  and 238 g/t AgEq over 12.20 m at Promontorio Sur: Minaurum Silver Inc
  • Silverco Mining Files NI 43-101 Technical Report for the La Negra Project PEA: Silverco Mining Ltd
  • Goldgroup Provides Updates on Technical Studies, Exploration and Drilling Programs: Goldgroup Mining Inc

ON DEALS AND CORPORATE ISSUES

ON SOCIAL RESPONSIBILITY

  • No relevant news

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, a quartz vein showing boxworks in a project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico: Highlights on the Fourth Week of October, 2026

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Slickensides in brecciated and silicified volcanic rocks

By Miguel A Heredia

During the 43th week of the year (October 19 to October 25, 2026), at least 26 press releases were issued by companies operating in Mexico, and 1 news published by the media. Of these, ten related to deals and corporate matters, five reported production results, five covered resource and development updates, three addressed Mexican-related issues, three presented exploration results, and one announced financial activities. ON MEXICO ISSUES, PROFECA reported mining spill In Mina Sabinas, Zacatecas and temporarily closes part of a Peñoles storage facility. Heliostar Metals, Minaurum Silver, Axo Metals and Capitan Silver reported the best drilling intercepts in Mexico on the fourth week of October, 2026. Gambusino Prospector reported the best Lead and Zinc drilling intercepts in Mexico on the Third Quarter 2026. ON EXPLORATION, In Sonora, Algo Grande engaged Addison Mining Services to update the NI 43-101 Technical Report on its Adelita project. In Chihuahua, Kingsmen contracted Geofísica TMC to fly drone-borne aeromagnetic and LiDAR surveys at Las Coloradas project, Chihuahua. In Sinaloa, Mercado Minerals reported new surface assay results from its Zamora project. ON MINING, Altius reported Q3, 2026 attributable royalty revenue of approximately CAD $33.2M. Americas Gold and Silver, Santacruz Mining and Fresnillo plc announced Q3, 2026 production and financial results. Americas Gold and Silver informed that it will host a conference call webcast on November 13, 2026 to discuss its Q3, 2026 results. ON FINANCING, Orex announced that it intends to amend the exercise price of an aggregate of 6,366,282 outstanding common share purchase warrants of the company. ON RESOURCES AND DEVELOPMENT, Silver Tiger provided a construction update for the El Tigre Stockwork Project in Sonora. Heliostar reports drill assay results from the High Grade Panel at its Ana Paula project, Guerrero.  Capitan Silver expanded high grade silver mineralization, and announced new CRD discovery at its Cruz de Plata project. Durango. Axo Metals released the latest drilling results from its San Antonio Gold project, Sonora. Minaurum reported the discovery of a blind high grade at its Alamos Silver project in Sonora. ON DEALS AND CORPORATE ISSUES, Torex appointed Lee Hodgkinson to its Board of Directors effective November 1, 2026. Antimony Resources announced that its 2026 annual general meeting will be held on Monday, 30 November 2026. Antimony Resources reported that its US subsidiary, Strategic Minerals, Inc., has been accepted into the US Defense Industrial Base Consortium. Riverside Resources optioned its Cecilia project in Sonora to Calu Resources Corp. Axo Metals received approval to trade on the OTCQB Venture Market. Pantera Silver announced completion of annual filings and revocation of cease of trade order. Silver Storm informed on its participation on the 2026 New Orleans Investment Conference. Aloro received extension for holding its 2026 annual general meeting. Kootenay appointed Mark Smith as Technical Advisor for La Cigarra project, Chihuahua. Starcore announced voting results of its annual general meeting of shareholders. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUE

ON EXPLORATION

  • Algo Grande Commissions Independent NI 43-101 Update to Capture First Year of Progress at Adelita: Algo Grande Copper Corp
  • Kingsmen Contracts Drone Magnetic and LiDAR Surveys to Trace High-Grade Structural Intersections at Las Coloradas: Kingsmen Resources Ltd
  • Mercado Minerals Announces New Surface Results from the Zamora Project Including0.40 Metres of 1615 g/t Silver and 1.77 g/t Gold at the Campanillas – La Franca Vein & 1075 g/t Silver and 1.14 g/t Gold at the El Triunfo Vein: Mercado Minerals Ltd

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Silver Tiger El Tigre Construction Update: Silver Tiger Metals Inc
  • Heliostar Reports 52.4m Grading 5.84 g/t Gold from the High Grade Panel and Continues to Build Out the Expansion Zone at Ana Paula: Heliostar Metals Ltd
    Capitan Expands High-Grade Silver Mineralization to 600 Metres Down-Dip and Announces New CRD Discovery at Cruz De Plata: Capitan Silver Corp
  • Axo Metals Drilling Intercepts 48.0 Metres of 1.18 G/T AU From Surface at Recently Discovered Luz del Cobre Target; Additional Results Include 3.94 G/T AU Over 15.0 Metres: Axo Metals Corp
  • Minaurum Discovers Blind Silver Vein Grading 669 g/t AgEq Over 2.05 Metres, Highlighting Potential for Additional Blind Veins of Scale;  Resource Expansion Drilling Returns 367 g/t AgEq Over 2.65 Metres at Europa Sur at the Alamos Silver Project: Minaurum Silver Inc

ON DEALS AND CORPORATE ISSUES

ON SOCIAL RESPONSIBILITY

  • No relevant news

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, slickensides in brecciated and silicified volcanic rocks in a project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.