AngloGold Ashanti Unveils Robust Economics for 4.9Moz Arthur Gold Project in Nevada
AU has more than doubled off its 52-week low of $31.91.
Summary
AngloGold Ashanti detailed the pre-feasibility study for its Arthur Gold Project, revealing a 4.9 Moz gold reserve with robust economics and a $3.6 billion capital estimate, reinforcing its US growth strategy.
Key Events · Financing and Capital Events · AU
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First-Time 4.9 Moz Gold Reserve
Establishes a Probable Mineral Reserve of 4.9 million ounces of gold and 7.8 million ounces of silver at the Arthur Gold Project as of December 31, 2025.
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Robust Project Economics
The pre-feasibility study shows an estimated after-tax NPV (5%) of $1.7 billion at a $2,715/oz gold price, rising to $3.4 billion at a $3,500/oz gold price, with an All-in Sustaining Cost (AISC) estimated at $954/oz.
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Significant Production & Mine Life
The project supports an initial nine-year mine life with average annual production of approximately 500,000 ounces of gold.
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Substantial Capital Investment
The Arthur Gold Project is anticipated to require approximately $3.6 billion in capital expenditure.
Analysis · AU · Energy & Transportation
This 6-K provides comprehensive details from the pre-feasibility study for the Arthur Gold Project, confirming a significant new gold reserve and strong economic potential. While the initial reserve announcement was made earlier today, this filing details the project's robust economics, including a competitive All-in Sustaining Cost (AISC) and substantial Net Present Value (NPV) at various gold prices. The project is positioned as a cornerstone for the company's US production strategy, indicating long-term growth and value creation.
How filings like this one have moved
In the 30 days to Oct 5, 2026, 36.9% of the 964 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.65%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, AU was trading at $86.21 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $45.2B. The 52-week trading range was $31.91 to $129.14. This filing was assessed with positive market sentiment and an importance score of 8 out of 10.