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American Rare Earths ups Cowboy State Mine value to $1.07B with 26-year life and higher rare earth output

Market News
29 Sep 2026
Proactive Investors
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Bullish
American Rare Earths ups Cowboy State Mine value to $1.07B with 26-year life and higher rare earth output

American Rare Earths Ltd has released an updated Scoping Study for its Cowboy State Mine in Wyoming, estimating an after-tax net present value (NPV) of approximately US$1.07 billion and extending the mine life to 26 years. The study plans a 4.5 million tonne per annum operation, a 50% increase from the previous plan, with average annual neodymium-praseodymium oxide production rising 36% to about 2,500 tonnes. Initial capital expenditure is estimated at US$900 million, and the project targets a 21% after-tax internal rate of return with a payback period of 6.9 years. The company is also advancing downstream processing and supply chain integration efforts, aiming for rare earth oxide production by mid-2027 and potential Nasdaq listing preparations.

American Rare Earths' Cowboy State Mine update provides context for readers interested in basic materials. For readers following the Basic Materials sector, here is Pluang's market snapshot as of Sep 30, 2026 09:21 WIB: Among 38 priced US stocks, 19 rose and 18 fell. Avient Corporation (AVNT) traded at USD 40.75 with a 1-day change of -1.07% and a typical hold time of 13 days, Johnson Controls International (JCI) rose 0.97% to USD 150.33 with a 65-day hold, while Newmont Corporation (NEM) was at USD 117.14, up 0.94%, with Pluang order activity showing 53% sell and 47% buy and a typical hold time of 58 days.

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