Aris mining announces positive pea results for the toroparu gold project

Pea confirms long-life, low-cost open pit gold operation in guyana with 25.2% irr and $1.8 billion after-tax npv5% at $3,000/oz gold vancouver, bc , oct. 28, 2025 /prnewswire/ - aris mining corporation (aris mining or the company) (tsx: aris) (nyse-a: armn) announces positive results from the recently completed preliminary economic assessment (pea) of its 100%-owned toroparu gold project (toroparu or the project) in guyana. the pea confirms toroparu as a large-scale, long-life open pit gold project with robust economics — 21.3-year mine life, 235 koz of average annual gold production, and $1.8 billion after-tax npv5% at $3,000/oz gold.
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