Jaguar Mining Accelerates 5-Year Exploration Plan with Tier 1 Drilling Partnerships

About this update from Jaguar Mining Inc.

- 5-year plan allows for +227,000 meters of drilling with an estimated expenditure of US$43 million TORONTO, ON / ACCESS Newswire / June 10, 2026 / Jaguar Mining Inc. (the "Company") (TSX:JAG) is pleased to announce significant progress in advancing its 5-Year Exploration Plan with the strategic engagement of two world-class drilling contractors, Major Drilling Group International Inc. ("Major Drilling") and GEOSOL Geologia e Sondagens S.A.("GEOSOL"), to fully operationalize the program at the Chamé and Bahú Corridor in the Iron Quadrangle, Minas Gerais, Brazil. This area is one of the highest priority exploration targets for Jaguar Mining as it is within 1 km of the Santa Isabel Mine underground workings and Processing Plant in the Company's Paciência Complex. The 5-Year Exploration Plan, first announced in 2025, has already seen early progress, with drilling at the Chamé target commencing in December 2025 through a local contractor (five holes, three of which have assays pending). Building on this foundation, Jaguar is now elevating the initiative to a Tier 1 operational standard by securing the services of Major Drilling and GEOSOL - two industry leaders known for their technical excellence and global experience in mineral exploration. The expanded 5-year program is expected to cover a total of 227,200 meters of drilling, with an estimated cost of US$43 million during this time. This longer-term initiative is aligned with the Company's goal to explore this highly prospective gold region, with specific 2026 activities focused on the Chamé and other high-priority zones in the so-called Chamé and Bahú geological trend (see Figure 1). All targets in the 5-year plan are located on mineral tenements held by Jaguar Mining. Figure 1: The Paciência district, on which is located the Chamé target (southeast) and Bahú target (northwest). All targets are situated along the São Vicente Geological Lineament structure which hosts the Company's Santa Isabel mine. Jaguar Mining has the mineral rights over the 15 km along the strike of this structure. Strategic Scale and Operational Excellence The decision to engage Major Drilling and GEOSOL reflects the Company's commitment to operational excellence and the highest standards of exploration. These partnerships are expected to enhance drilling efficiency, data quality, and overall project execution, positioning the Chamé ...

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