Aldebaran PEA for the Altar Project Reports 48 Year Mine Life, After Tax NPV (8%) of US$2 Billion, and 20.5% IRR

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[{"type":"text","content":"Aldebaran PEA for the Altar Project Reports 48 Year Mine Life, After Tax NPV (8%) of US$2 Billion, and 20.5% IRR\n\n\n\n VANCOUVER, British Columbia, Oct. 30, 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 results of a Preliminary Economic Assessment (“PEA”), prepared in accordance with National Instrument 43-101 standards, for the Altar copper-gold project located in San Juan, Argentina. The base case scenario utilizes a 60,000 tonnes per day (“tpd”) concentrator, processing mineralized material from both open pit and underground sources. The results of the PEA are reported on a 100% basis, while Aldebaran owns an 80% interest in the project, with the remaining 20% held by Sibanye-Stillwater Ltd.\n \n\n\n All dollar amounts referenced herein are in US dollars unless otherwise noted.\n \n\n\n\n HIGHLIGHTS\n \n\n\n\n\n Long life operation with significant production:\n \n\n\n\n\n 48-year mine life, including 3 years of construction\n \n\n First 20 years\n \n 1\n \n : Average annual production of 121,445 tonnes copper equivalent\n \n 2\n \n (“CuEq”)\n \n\n 108,579 tonnes copper (“Cu”), 43,199 ounces of gold (“Au”), and 570,217 ounces of silver (“Ag”)\n \n\n\n\n First 30 years\n \n 1\n \n : Average annual production of 116,294 tonnes CuEq\n \n\n 105,897 tonnes Cu, 33,866 ounces of Au, and 557,239 ounces of Ag\n \n\n\n\n LOM: Average annual production of 101,413 tonnes CuEq\n \n\n 92,891 tonnes Cu, 27,020 ounces of Au, and 525,192 ounces of Ag\n \n\n\n\n\n\n\n\n Robust economics with leverage to commodity prices:\n \n\n\n\n\n Using base-case metal prices of $4.35/lb Cu, $2,500/oz Au, and $27/oz Ag, the project has an after-tax NPV (8%) of $2.0 billion, an IRR of 20.5% and a payback period of 4 years\n \n\n Total LOM gross revenue of $44.7 billion (before TC/RCs, payabilities and transport) and total LOM free cash flow of $10.7 billion\n \n\n Using spot prices of $5.00/lb Cu, $3,963/oz Au, and $47/oz Ag, the project has an after-tax NPV (8%) of $3.34 billion and an IRR of 28.0%\n \n 4\n \n\n\n\n\n\n\n Attractive capital intensity:\n \n\n\n\n\n Initial capex for the project is $1.59 billion\n \...

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