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NOA Lithium Announces Positive Preliminary Economic Assessment Results for Rio Grande Project
BUENOS AIRES, AR / ACCESS Newswire / October 6, 2025 / NOA Lithium Brines Inc. (TSXV:NOAL)(F...
About this update from Noa Lithium Brines Inc
[{"type":"text","content":"NOA Lithium Announces Positive Preliminary Economic Assessment Results for Rio Grande ProjectBUENOS AIRES, AR / ACCESS Newswire / October 6, 2025 / NOA Lithium Brines Inc. (TSXV:NOAL)(Frankfurt:N7N) (\"NOA\" or the \"Company\") is pleased to announce the positive results of the Preliminary Economic Assessment (the \"PEA\" or \"Study\") for the Company's Rio Grande project (the \"Rio Grande Project\" or \"Project\") in the Salta Province of Argentina. This PEA provides an independent economic assessment of the economic potential of the Project, based on the latest resource estimate filed by the Company in July 2024 (see the Company's news release dated July 10, 2024 for further details).The Company engaged global engineering firm Hatch Limited (\"Hatch\") to complete the PEA. Hatch is experienced in lithium projects, including the execution of brine projects in Argentina.Rio Grande Project PEA Highlights (all figures are in US Dollars unless otherwise noted)1 :The results of the Study are positive and demonstrate that the Rio Grande Project may have the potential to become a world class operation supported by exceptional brine concentrations and economics:Strong Project Economics may result:Project production of up to 40,000 tonnes per annum (tpa) of battery grade lithium carbonate (LCE), developed in two stages of 20,000 tpa each, using conventional evaporation ponds processing.Pre-tax net present value (NPV) at an 8% discount of $2.065 billion for a single 20,000 tpa operation. Post-tax NPV at an 8% discount of $1.276 billion for a single 20,000 tpa operation.Pre-tax internal rate of return (IRR) of 27.3% for a 20,000 tpa operation. Post-tax IRR of 22.6% for a 20,000 tpa operation.Project payback period of 3.3 years pre-tax and 3.4 years after tax from initial production.Average annual life-of-mine (LOM) earnings before interest, taxes depreciation and amortization (EBITDA) of $317 million for a 20,000 tpa operation.Project production mine life of 30 years.Nameplate capacity operating expenses (OPEX) at full 20,000 tpa production including product transportation but excluding royalties and taxes is estimated at $5,897 per tonne LCE.Average LOM OPEX including product transportation but excluding royalties and taxes is estimated at $6,012 per tonne LCE.Initial capital expenditures (CAPEX) estimated at $706.2 million for 20,000 tp...