Orvana Reports Full Assay Results from Taguas Drilling TADD-278; Second Hole Results Pending

News provided by Orvana Minerals Corp. May 27, 2026, 06:30 ET Share this article Share to X Share this article Share to X TSX:ORV OTCQX: ORVMF Highlights Petrographic studies completed on core samples from first drill hole TADD-278, indicate that the mineralized host rock corresponds to a dacitic porphyry (Image 1). Intense sericitic alteration was identified, dominated by quartz–sericite–pyrite, with pyrite–rich mineralization plus associated enargite and/or chalcopyrite in disseminations and veinlets (Image 2), supporting a porphyry–related system. Complete lab results from TADD-278 (Table 1), highlights a 205 metres (downhole length; true widths not yet determined) interval (715 to 920 metres), with 0.25 g/t gold and 0.12% copper.

Completion of second drill hole TADD-279 assay results, plus VNIR-SWIR Terraspec measurements, and geochronological studies is expected over the coming months to position Orvana for its October 2026 – April 2027 drilling campaign. TORONTO , May 27, 2026 /PRNewswire/ - Orvana Minerals Corp. (TSX: ORV) (OTCQX: ORVMF ) ("Orvana " or "the Company") , is pleased to provide a further update on its deep drilling campaign at its 100%-owned Taguas Project in San Juan, Argentina, including additional assay results beyond those previously reported on April 8, 2026, and an update on planned next steps, with laboratory analyses and supporting studies ongoing. Continue Reading Image 1.

TADD-278, at 743.5 meters: Dacitic porphyry with intense phyllic alteration. (CNW Group/Orvana Minerals Corp.) Image 2. TADD-278, at 752.5 meters: Pyrite individuals (Py) and chalcopyrite (Cpy) disseminated throughout the sample (CNW Group/Orvana Minerals Corp.) Image 3. Taguas Property – FY2026 Drilling Campaign Area (CNW Group/Orvana Minerals Corp.) Raúl Álvarez, Director of Exploration and Technical Services of Orvana, commented: " The latest drilling and ongoing te