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Maiden JORC Exploration Target for Tesoro, Peru
Nativo Resources Plc has announced a maiden JORC-compliant Exploration Target for its Tesoro concession in Peru, indicating a potential range of 6,686 to 195,434 ounces of gold contained within 79,051 to 316,200 tonnes of material across multiple vein systems. The target is based on mapped superficial vein lengths of 6,200 meters and considers downward projections and vein thickness ranges, with the company aiming to define a JORC-compliant Mineral Resource Estimate to unlock shareholder value. Disclaimer*
About this update from Nativo Resources Plc
This announcement contains inside information for the purposes of Article 7 of the UK version of Regulation (EU) No 596/2014 which is part of UK law by virtue of the European Union (Withdrawal) Act 2018, as amended ("MAR"). Upon the publication of this announcement via a Regulatory Information Service, this inside information is now considered to be in the public domain. 11 May 2026 Nativo Resources Plc ("Nativo" or the "Company") Maiden JORC Exploration Target for Tesoro Gold Concession, Peru Target highlights significant concession-wide upside potential across multiple veins Nativo Resources plc (LON: NTVO), the Peru-focused gold mining company, is pleased to announce a JORC (2012)-compliant Exploration Target for the Bonanza, Tesoro, Tesoro_1 and Morrocota vein systems within its wholly owned Tesoro concession in southern Peru. Highlights • Contained gold of approximately 6,686 - 195,434 oz • Tonnages between 79,051 to 316,200 t • Superficial vein lengths of 6,200m within the concession Table 1: Exploration Target Summary Vein Tesoro Project - Exploration Target Tonnage Ranges (t) Ore Grade Ranges (Au g/t) Contained Gold (Au oz) Bonanza Vein 12,750 - 51,000 0.15 - 0.72 61 - 1,181 Tesoro Vein 40,800 - 163,200 4.89 - 31.6 6,415 - 165,824 Tesoro_1 Vein 18,488 - 73,950 0.33 - 11.85 196 - 28,177 Morrocota Vein 7,013 - 28,050 0.06 - 0.28 14 - 253 Total 6,686 - 195,434 The ranges presented in the table were derived from the following sources of information and technical assumptions: recognised strike length mapped and documented through surface cartography (IGH Ingeniería, 2025); thickness ranges (m) identified within the Bonanza Vein from underground sampling completed in 2026; recorded vertical extent ranges (m) interpreted from underground sampling data (2026); chemical assay results (historical sampling surface campaign and IGH Ingeniería surface sampling programme, 2025); average density values determined through SGS laboratory (2,026) testing using the Displacement Method, which reflects bulk density inclusive of interstitial voids and inherent pore spaces within the in-situ material; and quartile values derived from surface sampling datasets. Figure 1: Tesoro Concession with Vein Locations (exclusively located within Nativo's Tesoro concession) The...
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