First Quantum Minerals — Salta, Argentina · Copper (Cu-Au-Mo) ·
NI 43-101 · delivered July 2026
Report after-tax NPV(8%)
US$4,691M
Independently rebuilt after-tax NPV(8%)
US$4,723M
Variance vs report
+0.7%
What the rebuild surfaced. A full concentrate-economics build (payability, treatment and refining charges, molybdenum by-product) inside a major's portfolio. The model exposes a ~US$156M gap between published equipment provisions and the cash-flow's sustaining capital, built as a selectable dual-method line.
Rebuilt economic modelExcel · formula-driven · every input footnoted ·
sensitivity dashboard · view in the browser; Excel download by credit
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A sample model is available on request: email [email protected].
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