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Aldebaran Files PEA on Sedar+ and Announces Termination of the Option Agreement with Nuton Holdings Ltd.
VANCOUVER, British Columbia, Nov. 24, 2025 (GLOBE NEWSWIRE) -- Aldebaran Resources Inc. (...
About this update from Aldebaran Resources Inc
[{"type":"text","content":"Aldebaran Files PEA on Sedar+ and Announces Termination of the Option Agreement with Nuton Holdings Ltd.\n\n\n\n VANCOUVER, British Columbia, Nov. 24, 2025 (GLOBE NEWSWIRE) --\n \n Aldebaran Resources Inc.\n \n (“\n \n Aldebaran\n \n ” or the “\n \n Company\n \n ”)\n \n (TSX-V: ALDE, OTCQX: ADBRF)\n \n is pleased to announce the filing on SEDAR+ of an updated Technical Report and Preliminary Economic Assessment (the “Altar PEA”) on the Altar copper-gold project located in San Juan Province, Argentina, prepared in accordance with National Instrument 43-101 – Standards of Disclosure in Mineral Projects. The Altar PEA has an effective date of September 1, 2025, and was created by SRK Consulting Inc. as lead consultants with Knight Piesold as a subcontractor. The report titled \"Preliminary Economic Assessment, Altar Project, San Juan, Argentina\" has been filed on the SEDAR+ website at\n \n www.sedarplus.ca\n \n and will be posted on the Company’s website at\n \n www.aldebaranresources.com\n \n .\n \n\n Additionally, the Company announces that Nuton Holdings Ltd., a Rio Tinto venture (“Nuton”), has provided notice of termination of the option to joint venture agreement announced on November 7, 2024, under which Nuton had the right to acquire a 20% interest in the Altar project. Nuton's decision comes as they are shifting priorities to focus on later-stage projects that could potentially deliver nearer-term production. Despite the termination, Nuton and Aldebaran could still enter a licensing agreement to deploy the Nuton\n \n ®\n \n Technology, proprietary bio-leaching technology, at Altar.\n \n\n\n John Black, Chief Executive Officer and Director of Aldebaran, commented:\n \n “\n \n The PEA demonstrated that the base case concentrator scenario for Altar is a long-life project delivering significant copper, gold, and silver production at attractive cash costs while minimizing upfront capital. With an NPV (8%) of US$2 billion and an IRR of 20.5%, we believe that Altar is an attractive large-scale copper gold project and a very important project for Argentina moving forward. We thank Nuton for their participation in the Altar project and understand that their shift in priorities made continuing with the Altar option agreement challenging. We retain an 8...