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I first wrote up American West Metals (OTCQB: AWMLF) on August 13, 2026, at AUD$0.032 (~US$0.023) on the ASX, where it trades as AW1. The company owns 80% of the Storm copper project in Nunavut (Arctic Canada) and all of the West Desert zinc-indium deposit in Utah.
Storm alone was worth about what the market paid for the whole company, leaving West Desert’s indium priced near zero.
I also flagged that Storm’s pre-feasibility study (PFS), the more detailed study that follows a first-pass preliminary economic assessment (PEA), could disappoint the usual way, with “higher capex or lower recoveries than the PEA assumed.”
The PFS came out on November 5, 2026, with higher capex but better recoveries, plus Storm’s first ore reserve. Then on November 9, American West added a maiden exploration target of up to 2.2Mt of contained copper, 7.9x Storm’s current resource.
AW1 closed at AUD$0.029 (~US$0.020) on November 9, 9.4% below where I wrote it up and 35.6% below the AUD$0.045 American West raised at in its last two placements (stock sales to selected investors).
At AUD$0.029, American West’s EV is ~US$29.2M, or 0.31x its ~US$95M share of the PFS’s post-tax NPV, just above the 0.2-0.3x I valued Storm at in August.
Meanwhile, the PFS raised the cost of building Storm by 74.4%, and American West had just ~1.6 quarters of cash left as of September 30.
Below, I cover what the PFS changed from the PEA, why copper prices, not the mine plan, hold up its NPV, and how little of the new exploration target has been drilled.
I also discuss how much of Storm’s build American West now has to fund beyond a US$40M loan from Storm’s future copper buyer, how much room the permit schedule leaves for delays, and where West Desert’s assays stand. Then I conclude with my updated valuation and whether I’d hold through the next placement.
Maiden Reserve, Costlier Plant
The PFS converts part of Storm’s resource into a maiden probable ore reserve (the part of a resource shown to be economic to mine, at the lower of the two confidence levels) of 12.58Mt @ 1.2% copper and 3.7g/t silver, or 151,000t of contained copper and 1.5Moz of silver.
All 11 years of the mine plan come from the reserve, with inferred tonnes (the lowest-confidence resource category) treated as waste, which settles my August concern that 22% of the PEA’s mine plan was inferred.
The plan averages ~10,000t/year of copper, up to 14,000t/year, and starts in the higher-grade Chinook and Corona deposits, where first-year ore grades ~2% copper:

AWMLF: Storm Mining and Processing Schedule (Storm PFS; Page 31)
The PFS calculates economic cut-off grades (the lowest grade worth processing) of 0.25-0.27% copper, but the reserve uses 0.32-0.34% because test work on lower-grade ore is limited.
Three of Storm’s seven deposits (Cirrus, Gap, and Lightning Ridge) are also still inferred only, so the reserve comes from the other four:

AWMLF: Storm Ore Reserve by Deposit (Storm PFS; Page 24)
So the definitive feasibility study (DFS), the next study, could add ore without a new discovery through (1) test work that supports lower cut-offs and (2) drilling that upgrades the inferred-only deposits.
Initial capex came in at US$81.0M, 70.9% above the PEA’s US$47.4M, and pre-development capex rose to US$27.3M from US$14.7M.
So Storm needs US$108.3M before first copper, up 74.4% from US$62.1M, plus US$10.2M of expansion capex later (US$118.5M over the mine life).
Processing drove most of the increase, at US$38.0M of initial capex against US$9.4M in the PEA:

AWMLF: Storm Capital Cost Estimate (Storm PFS; Page 46)
Test work showed that crushing broke the ore along grain boundaries and pushed more copper into the fines that bypass the ore sorters (machines that pick copper-bearing rock out of the waste).
So the plant now adds a small flotation circuit (which uses chemical reagents to float copper minerals off finely ground ore) and a US$4.2M tailings facility, both of which the PEA’s design of ore sorters and gravity separators avoided.
In August, I noted that the PEA’s design meant no tailings dam and no process chemicals. The PFS adds flotation reagents and filtered tailings, which get stacked dry.
Storm’s footprint is still small next to a conventional flotation mill’s, but regulators now have reagents and tailings to review.
With the flotation circuit, the plant recovers 68% of the copper in the ore, or 103,000t over the mine life, up from ~61% (~83,000t from 10.3Mt @ 1.32% copper) in the PEA plan.
But the product grades 15% copper, down from the PEA’s 17.1%, so Storm has to bag and ship 41.3% more of it (688,000t vs. 487,000t) during the 5-6 weeks each summer when ships can reach the site.
Operating costs rose too, to US$57.30/t of ore from US$47.37/t, as mining (US$34.19/t vs. US$23.48/t) and processing (US$8.90/t vs. US$4.39/t) more than offset lower site and admin costs (US$7.13/t vs. US$11.96/t).
Over the copper the plant recovers, operating costs come to ~US$3.17/lb vs. ~US$2.66/lb in the PEA (total operating costs over recovered pounds, before silver credits), or 19.4% more per pound.
So the PFS mine recovers 23.8% more copper than the PEA’s, but each pound costs 19.4% more to produce, and the processing plant costs four times as much to build, since the fines now need their own flotation circuit and tailings facility.
Copper Carries the NPV
At the PFS base case of US$5.30/lb copper, the post-tax NPV (discounted at 7%) is US$119M, with a 32.8% IRR and a 3.6-year payback.
The PEA showed US$149M at an 8% discount rate and a 46% IRR, on US$4.60/lb copper.
Here’s how the two studies compare on initial capex and post-tax NPV:

AWMLF: Storm PEA vs. PFS (Storm PFS, November 5, 2026; February 2026 corporate presentation)
So the PFS uses a higher copper price and a lower discount rate, and still values Storm lower.
The PFS’s own sensitivity table shows ~US$110M at the PEA’s 8% rate, and post-tax FCF over the mine life fell to US$179M from US$191M, even though revenue rose to US$1.25B from US$839M.
Extending the sensitivity table, each 10% drop in copper takes ~US$52M off the NPV.
So at the PEA’s US$4.60/lb, 13.2% below the PFS’s price, Storm would be worth ~US$51M at 7% (US$118.9M − 1.32 × US$51.6M), about a third of the PEA’s US$149M.
In other words, the higher copper price, not the mine plan, holds up the PFS’s NPV.
The PFS also runs a spot case at US$6.53/lb copper (as of November 2), where the NPV rises to US$233M, with a 55.1% IRR and a 2.7-year payback:

AWMLF: Storm PFS Base Case vs. Spot Copper (Storm PFS; Page 1)
At ~US$6.38/lb, where COMEX copper traded on November 9, the NPV would be ~US$221M by the PFS’s sensitivity table. Copper is the input that moves the NPV most:

AWMLF: Storm post-tax NPV sensitivity to a 10% change in each input (Storm PFS; Page 48)
A 10% move in copper shifts the NPV by US$50-52M, and a 10% change in recovery by US$46-48M, against ~US$4M for a 10% change in capex.
So the capex increase matters less to the value than to the funding.
At ~US$52M per 10% move in copper, the NPV would reach zero near US$4.10/lb, ~36% below the November 9 price. At US$4.75/lb, the average London Metal Exchange (LME) price since January 2024 (per the PFS), the NPV would be ~US$65M.
Copper is also near the top of its range, as the PFS’s US$6.53/lb spot price is just 3.1% below the US$6.74/lb LME high since January 2024:

AWMLF: LME Copper Price, January 2024 to September 2026 (Storm PFS; Page 10)
So I value Storm on the PFS’s US$5.30/lb base case rather than spot, since first copper is still at least three years away.
Exploration Target Is Lightly Drilled
The maiden exploration target estimates 110-214Mt @ 0.59-1.02% copper outside the current resource, or 646,000t to 2.2Mt of contained copper (2.3-7.9x Storm’s 276,000t resource).
An exploration target is a range of what an area could hold before there’s enough drilling to estimate a resource, and American West calls its own “conceptual in nature.”
Here’s where the seven target areas sit relative to Storm’s existing deposits (in red), with Chevron ~30km south in the inset:

AWMLF: Storm Exploration Target Areas (Exploration Target release, November 9, 2026; Page 5)
Bulls N’ Bears, an Australian investment news site, called it a “monster maiden exploration target.” But most of the target rests on Storm’s existing deposits used as templates, or on little to no drilling:
Deeps Zone and Central Graben (345,000-777,000t): Assumes three more deposits the size of Cyclone, Storm’s largest, one below Cyclone and two in the Central Graben, backed by 14 widely spaced holes.
SE Stratabound and SE Structural (164,000-369,000t): Sized from three existing deposits (Chinook, Lightning Ridge, and Corona) ±20%, assumed to repeat down to ~300m below surface, plus nearby ground tested by 17 broadly spaced holes.
Tornado (95,000-859,000t): Largely unexplored ground 5km east of the deposits, where the two intercepts the release lists grade just 0.12-0.14% copper.
Chevron (14,000-123,000t): ~30km south of the deposits, with no holes drilled yet.
The best intercepts in the Deeps Zone and Central Graben also start more than 300m down the hole, far deeper than the open pits the PFS plans.
Even the extensions of the existing resource (28,000-64,000t), the part of the target closest to the deposits, grade 0.53-0.80% copper, below the reserve’s 1.2%.
Managing director Dave O’Neill plans to develop Storm first and fund growth from it, since an operating mine “is expected to significantly reduce the costs of exploration,” he said in the release.
So I don’t attach any value to the exploration target. It shows where American West plans to drill and run geophysical surveys in 2027, but little of it would add years to the PFS mine.
Funding the Build
Ocean Partners, the metals trader that holds Storm’s offtake (the right to buy all of its output), agreed in April 2025 to lend up to US$40M of the initial capex defined by the PEA through a senior secured loan, subject to a bankable feasibility study and a final investment decision (FID).
The loan covered 84.4% of the PEA’s US$47.4M, and covers 49.4% of the PFS’s US$81.0M.
Counting pre-development, the part of Storm’s US$108.3M pre-production cost that the loan doesn’t cover tripled to US$68.3M from US$22.1M.
American West’s 80% of the US$68.3M gap is ~US$55M, more than twice its ~US$24.6M market cap.
The PFS says the base case requires funding of “up to US$81.0 million” until cash flow turns positive, but US$81.0M is the initial capex alone (the PEA’s funding line did the same with its US$47.4M).
The PFS lists offtake prepayments, project debt, build-own-operate deals, and Canadian critical minerals programs as non-dilutive options.
Its cash flow model also counts a ~US$24M refund from Canada’s 30% clean technology manufacturing tax credit, but the refund only arrives in the second year of production, after construction:

AWMLF: Storm Annual Cash Flows (Storm PFS; Page 47)
Aston Bay Holdings (TSXV: BAY), which owns the other 20% of Storm, only starts funding its share after the DFS and the FID, so American West pays for everything until then.
After the FID, Aston Bay’s 20% of the gap is ~US$14M, more than its own ~US$11M market cap. If Aston Bay doesn’t pay, its stake gets diluted, and below 10% it turns into a 2% royalty.
So American West may end up funding more than 80% of the build, and its stake in Storm would grow as well.
American West’s spending starts with the 2027 program of resource and geotechnical drilling, metallurgical test work, final engineering, and a sealift of fuel and supplies.
Cash was AUD$5.45M (~US$3.8M) as of September 30, 1.58 quarters of funding at the September quarter’s AUD$3.45M operating outflow.
Management expects spending to fall and isn’t planning a raise, but with the DFS still ahead, I’d expect a placement within the next two quarters.
At AUD$0.029, a placement would price at least 35.6% below the AUD$0.045 of the last two, in October 2025 and May 2026.
One the size of May’s (AUD$10M) at AUD$0.025, 13.8% below today’s price, would add 400M shares, 32.5% of the 1,229.6M count.
The 371M listed options, struck at AUD$0.06 and expiring August 18, 2027, would bring in AUD$22.3M if exercised, but the stock would have to more than double first.
Taurus Mining Royalty Fund, which bought a royalty on Storm, only pays its final US$4M (US$3.2M for American West’s 80%) once the resource reaches 400,000t of copper at 1.00% or better.
Storm’s resource is unchanged at 276,000t, so reaching the milestone takes ~124,000t more, and the exploration target won’t count until drilling turns part of it into a resource.
So a ~US$25M company has to fund ~US$55M of Storm’s build beyond Ocean Partners’ loan, and before that, pay for the DFS, most likely with placements priced below the last two.
Little Room for Permit Delays
American West plans to file its final mining application with the Nunavut Impact Review Board (NIRB), the territory’s environmental review agency, in Q4 2026, after the Nunavut Planning Commission approved the project description.
The full review typically takes ~3 years, and the company has been working with regulators for over 12 months.
American West targets an FID in early 2028, pre-development in H2 2028, construction in 2029-2030, and first copper in 2030:

AWMLF: Storm Project Schedule (Storm PFS; Page 45)
To start pre-development before the full review ends, American West plans to ask NIRB for an exception covering limited early works, such as fuel storage, the transport corridor, and a construction camp.
The PFS schedule runs the NIRB review and environmental assessment through the end of 2028, in line with the ~3 years the PFS calls typical, and ends ~6 months before the Q3 2029 shipping season, when infrastructure construction starts.
If the review runs past mid-2029, construction could slip a full year, since fuel and equipment only arrive during the August-September shipping window.
Part of the review will also run through the April 1, 2027 handover of land and resource management from Canada’s federal government to Nunavut’s government, although NIRB keeps reviewing projects after the handover.
So I treat 2030 as the earliest year for first copper, not the base case. Each year of delay would take ~US$8M off the US$119M NPV at a 7% discount rate.
West Desert Waits on Assays
At West Desert, American West has finished five more holes (WD26-04 to WD26-08) since my August write-up:

AWMLF: West Desert 2026 Drill Holes (September 2026 Quarterly Report; Page 8)
WD26-07, the westernmost so far, hit a combined 140m of visual copper and zinc sulfides and 219m of visual molybdenite, while WD26-05 and WD26-06 hit visual zinc, molybdenite, and copper oxides.
Those are geologists’ visual estimates, and the October 30 quarterly report expected assays for WD26-06 and WD26-07 within 1-2 weeks, and for WD26-08 within 4-6 weeks.
I found no assays for WD26-03 in American West’s releases through November 9, even though the July 31 quarterly expected them within weeks.
So the 2026 program’s assayed results are still the June and July ones, led by WD26-01’s 108.4m @ 25.2g/t indium.
American West also hired GreenMet, a Washington advisory group led by former U.S. critical minerals official Drew Horn, to pursue U.S. government funding and offtake for West Desert.
GreenMet is American West’s second Washington advisor in 2026, after Ervin Graves Strategy Group in February, and the company still hasn’t disclosed any U.S. government funding.
Meanwhile, the Defense Logistics Agency (DLA), which buys for the U.S. stockpile, cancelled its July request for 400+ tonnes of indium on September 30 without an award, since traders said the request was more than the market could supply.
So the stockpile’s indium purchase is off for now, and the failed request showed how thin supply is outside China (~400 tonnes/year, by one trader’s estimate).
Thin supply is still the argument for funding a U.S. source like West Desert, but no agency has funded one yet.
Metallurgical samples from West Desert’s historical waste dumps, one of the two extra sources of metal I flagged in August, have been shipped for test work, with no results yet.
So I still don’t attach any value to West Desert in my base case. Its value in my bull case depends on the WD26-06 and WD26-07 assays confirming what geologists logged in the core.
Valuation
At AUD$0.029, American West’s market cap is ~US$24.6M on 1,229.6M shares, with no new shares since my August write-up.
Its EV is ~US$29.2M, measured as in August (US$24.6M market cap + US$8.4M Taurus royalty liability − US$3.8M of cash).
In August, I valued Storm at 0.2-0.3x American West’s share of the PEA NPV after the Taurus royalty (~US$110M), for US$22-33M.
The PFS already deducts the royalty, so American West’s 80% of the US$119M base case is ~US$95M, or US$19-29M on the same multiple.
Today’s ~US$29.2M EV is just above the US$19-29M range, which leaves at most ~US$10M of the EV for West Desert.
Below, I evaluate what Storm is worth at the PEA’s copper price and at spot, how the next placement changes my bull case, and whether I’d hold through the raise.
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