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GOLDPEAPROJECT ECONOMICS

Ana Paula Project PEA: $426M NPV, 28.1% IRR

ByMining Stocks Research
Jun 14, 2026
Source:Heliostar Metals Ltd.
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Heliostar Metals Ltd.'s Ana Paula Project in Guerrero, Mexico has a Preliminary Economic Assessment (PEA) outlining an after-tax NPV of $426M, an after-tax IRR of 28.1%, and initial capital of $300M. The mine plan runs 9 years at about 101 koz Au per year.

Heliostar Metals Ltd.'s Ana Paula Project has reported Preliminary Economic Assessment (PEA) results for the gold project in Guerrero, Mexico. The study headlines an after-tax net present value of $426M at a 5% discount rate. It reflects Heliostar Metals Ltd.'s (HSTR.V) latest disclosed economics for the asset.

Economics. The after-tax NPV is $426M using a 5% discount rate. After-tax IRR is 28.1%. Initial capital expenditure is estimated at $300M, with life-of-mine sustaining capital of $76M. All-in sustaining costs are pegged at 1011 USD/oz.

Production and mine plan. The project envisions an underground operation. Life of mine is 9 years. Average annual production is approximately 101 koz Au. Average head grade is 5.37 g/t gold.

Resources and ownership. Mineral resources: M&I: 742 koz Au (4.27 Mt @ 5.40 g/t Au); Inferred: 514 koz Au (4.04 Mt @ 3.96 g/t Au). The company holds a 100% interest in the project.

These figures are extracted from Heliostar Metals Ltd.'s technical disclosures and reflect the most recent PEA on file. Compare this project against other developers and producers in our project economics database, and always verify the numbers against the original technical report before making any investment decision.

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