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GOLDPFSPROJECT ECONOMICS

Cerro del Gallo Project PFS: $424M NPV, 33.1% IRR

ByMining Stocks Research
Jun 14, 2026
Source:Heliostar Metals Ltd.
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Heliostar Metals Ltd.'s Cerro del Gallo Project in Guanajuato, Mexico has a Pre-Feasibility Study (PFS) outlining an after-tax NPV of $424M, an after-tax IRR of 33.1%, and initial capital of $195M. The mine plan runs 15 years at about 86 k GEO/yr per year.

Heliostar Metals Ltd.'s Cerro del Gallo Project has reported Pre-Feasibility Study (PFS) results for the gold project in Guanajuato, Mexico. The study headlines an after-tax net present value of $424M 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 $424M using a 5% discount rate. After-tax IRR is 33.1%. Initial capital expenditure is estimated at $195M. All-in sustaining costs are pegged at 1390 USD/GEO.

Production and mine plan. The project envisions an open pit, heap leach operation. Life of mine is 15 years. Average annual production is approximately 86 k GEO/yr.

Resources and ownership. Mineral reserves: Probable: 1,495 koz Au (91,893 kt @ 0.51 g/t Au, 15.25 g/t Ag). Mineral resources: M&I: 4,900 Koz AuEq; Inferred: 400 Koz AuEq. (M&I: 2,944 koz Au; Inferred: 224 koz Au). The company holds a 100% interest in the project. Royalties and streams: 3.75%.

These figures are extracted from Heliostar Metals Ltd.'s technical disclosures and reflect the most recent PFS 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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