NGEx Valle Ancho spin-out: exploration, valuation and NAV lens for mine planners
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
NGEx Minerals will spin out its 1,090 sq. km Valle Ancho copper-gold district in the Maricunga belt into a new TSX Venture–listed company, with shareholders receiving 0.2 Spinco shares per NGEx share and funding provided for at least 12 months of exploration. Valle Ancho, fully owned since 2022, has porphyry copper-gold mineralisation confirmed by 2022 drilling and multiple drill-ready targets, yet contributes only about 1% (C$75 million) of NGEx’s estimated NAV. CEO Wojtek Wodzicki will lead Spinco, while NGEx refocuses on its Lunahuasi and Los Helados projects near the Chile-Argentina border.
Technical Brief
- Spin-out requires two-thirds shareholder approval at a Q4 meeting before TSX Venture listing.
- Valle Ancho lies on the eastern flank of Chile’s Maricunga gold belt, extending into Argentina.
- Pre-spin work includes systematic mapping, geophysics, geochemistry and a 2022 diamond drilling campaign.
- 2022 drilling confirmed significant porphyry-style copper-gold mineralisation and delineated several drill-ready targets.
- NGEx will fund Spinco for at least 12 months of exploration plus corporate overheads post-transaction.
- Lundin family interests hold 36% of NGEx, anchoring funding access and deal-making capacity for Spinco.
- Filo Mining, a prior NGEx spin-out, was acquired for about US$2.9 billion, illustrating re-rating potential for similar Lundin-led exploration vehicles.
Our Take
NGEx Minerals’ planned South American spinout centred on copper-gold ground such as Valle Ancho and the Vicuña District comes as our database shows continued strong drill results at Lunahuasi in Argentina (notably the Jupiter and Saturn zones), signalling that NGEx is trying to ring‑fence a coherent Andean exploration story for capital markets.
With Valle Ancho accounting for only about 1% of NGEx’s estimated NAV yet sitting in the Maricunga–Vicuña copper-gold belt, the spinout structure effectively gives the Lundin Group a low-cost option on additional Andean discoveries without diluting the valuation of the more advanced Los Helados and Lunahuasi assets.
The presence of BHP and Port Hedland iron ore metrics in the same coverage cycle underlines how NGEx’s copper-gold growth push in Chile and Argentina is unfolding against a backdrop where large diversified miners are still dominated by iron ore cash flow, which can later be redeployed into high-altitude copper projects if exploration success is proven.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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