Sisson Study Puts Post-Tax Value Above 4x Build Cost

Northcliff Resources (TSX: NCF; US-OTC: NCFFF) released a new feasibility study for its Sisson tungsten-molybdenum project in New Brunswick that values the mine, after tax, at more than four times its capital cost to build, as tungsten prices surge; the US-listed shares traded at 0.26, up 11.25%, at 18:51 GMT on Sept. 2, 2026.

Northcliff Resources Ltd. (US-OTC: NCFFF), which also trades in Canada as TSX: NCF, has published a new feasibility study on its Sisson tungsten-molybdenum project in central New Brunswick, and the headline result is the kind of number that rarely attaches to a long-stalled Canadian development asset: the study puts the project's post-tax value at more than four times what it would cost to build.

That ratio — value to capital — is the single figure that matters most for a developer at Sisson's stage. A project whose after-tax net present value is a multiple of its build cost has, on paper, room to absorb cost inflation, financing costs and schedule slippage and still return money to whoever funds it. A project whose NPV roughly equals its capex does not. Sisson has spent years in the second category. The refreshed study, as reported by The Northern Miner, moves it into the first, and the reason is the tungsten price.

What changed was the metal, not the orebody

Nothing under the ground at Sisson moved. What moved was the price deck. Tungsten has surged, and because tungsten carries the bulk of Sisson's revenue — molybdenum is the by-product credit, not the main event — a higher price assumption flows almost directly into the net present value line while capital cost stays where the engineers put it. That is the mechanical explanation for how a project's economics can transform without a single new metre of drilling.

It is also the reason investors should read the study as a price-leveraged document. Feasibility studies are built on a metal price assumption, and the further that assumption sits above the long-run historical average, the more the resulting NPV is a statement about the tungsten market rather than about the rock. The corollary holds too: if tungsten holds at surge levels, the four-times ratio understates nothing. If it retraces, the ratio compresses fast.

Why tungsten went vertical

Tungsten is not a metal most equity investors track. It is the hardest of the industrial metals in practical use, and it goes into cemented carbide cutting tools, drilling and mining consumables, armour and munitions, and high-temperature alloys. There is no easy substitute in most of those applications, which makes demand inelastic — buyers absorb price rather than switch material.

Supply is the other half of the story. Tungsten production and, critically, the intermediate processing that turns concentrate into ammonium paratungstate and then into powder, is heavily concentrated outside North America and Europe. Western governments have spent recent years placing tungsten on critical minerals lists precisely because of that concentration. When export policy tightens at the concentrated end of a supply chain with inelastic demand, price does the adjusting. That is the backdrop against which Sisson's numbers were re-run.

For New Brunswick, a producing tungsten mine would be a strategically legible asset: a Western-hemisphere source of a designated critical mineral, in a jurisdiction with existing mining law, road access and grid power. Strategic logic is not the same as financing, but it changes the pool of parties willing to talk about financing — government-linked funds, defence-adjacent industrial buyers and downstream carbide makers seeking supply outside the dominant producing region.

How the market took it

The equity response was immediate. At 18:51 GMT on Sept. 2, 2026, with the market open, NCFFF changed hands at 0.26 on the US over-the-counter market, an 11.25% gain against the previous close of 0.23, and at the top of a session range of 0.25 to 0.26. The currency of the OTC quote is not specified in the feed used here; the Canadian listing is the primary market for the shares.

Context matters for how much that move says. The broad market barely moved on the same day. The S&P 500 tracker (SPY) traded at $764.89, up 0.41%; the Dow 30 fund (DIA) was at $529.94, also up 0.41%; and the Nasdaq 100 fund (QQQ) sat at $708.28, up 0.09%. A double-digit percentage gain on a flat tape is company-specific news being priced, not beta.

It is also, on an OTC listing of a sub-dollar developer, a move measured in fractions of a cent. Trading at that level is thin and the bid-ask spread is a meaningful share of the price. Investors reading an 11.25% day should treat it as a directional signal about sentiment rather than a precise valuation revision.

The distance between a study and a mine

A feasibility study is the most detailed engineering and economic document a developer produces before construction, and it is the document lenders require. It is not a permit, a construction decision or a funded build. The questions that decide whether Sisson gets built now shift away from the geology and toward four things.

• Financing. Capex on a tungsten mine is large relative to the market value of a sub-dollar developer. Whether the money arrives as project debt, an offtake prepayment from a carbide or defence-linked buyer, a strategic equity stake, or government critical-minerals support will determine how much of the four-times value ends up with existing shareholders rather than with new capital.
• Permitting status. New Brunswick and federal approvals, and the conditions attached to them, set the schedule.
• Offtake. Tungsten concentrate is sold into a narrow set of converters. Locking a buyer at a defensible price is what turns a study assumption into contracted revenue.
• The price deck holding. Every element above is easier to arrange while tungsten is expensive and harder if the surge fades before financing closes.

What to watch next

The near-term tells are procedural rather than dramatic: the full technical report filing that backs the study, any statement on permitting timelines, and — most informative of all — the identity and terms of whoever puts up construction capital. A strategic investor from the downstream tooling or defence supply chain would validate the critical-minerals thesis in a way no NPV table can. Absent that, the shares will keep trading as a leveraged proxy on the tungsten price, in both directions.

Key facts

• Stock quote: NCFFF at 0.26, +11.25%, as of 18:51 GMT Sept. 2, 2026 (prev close 0.23)
• Listings: TSX: NCF and US-OTC: NCFFF
• Study result: Post-tax value more than four times the capital cost to build
• Project: Sisson tungsten-molybdenum project, New Brunswick, Canada

Frequently asked questions

What did Northcliff's new Sisson study actually say?

Northcliff Resources released a new feasibility study for its Sisson tungsten-molybdenum project in New Brunswick. The study puts the project's post-tax value at more than four times the capital cost required to build the mine. The improvement is attributed to a surge in tungsten prices rather than to any change in the deposit itself.

How did Northcliff shares react?

The US over-the-counter listing, NCFFF, traded at 0.26 as of 18:51 GMT on Sept. 2, 2026, up 11.25% from the previous close of 0.23, with a session range of 0.25 to 0.26. That gain came on a day when the S&P 500 tracker rose 0.41%, indicating a company-specific move rather than a market-wide one.

Why is tungsten considered a critical mineral?

Tungsten is exceptionally hard and heat-resistant, and it is used in cemented carbide cutting tools, mining and drilling consumables, armour, munitions and high-temperature alloys with few practical substitutes. Both mining and the intermediate processing that converts concentrate into usable powder are concentrated in a small number of countries, which is why Western governments list it as critical.

Does a feasibility study mean the mine will be built?

No. A feasibility study is the detailed engineering and economic document lenders require before financing a mine, but it is not a permit, a construction decision or committed funding. Building Sisson still depends on permitting, securing offtake buyers for tungsten concentrate, and raising construction capital on terms acceptable to existing shareholders.

What is the risk in economics driven by a metal price surge?

Every feasibility study rests on a metal price assumption. When that assumption sits well above long-run historical levels, the resulting net present value is partly a statement about the current market rather than the orebody. If tungsten prices retrace before financing closes, the value-to-capex ratio compresses, making the project harder to fund.

What should investors watch from here?

The technical report filing that supports the study, updates on New Brunswick and federal permitting timelines, any signed offtake agreement with a downstream tungsten converter or tooling maker, and the terms of construction financing. A strategic investor from the defence or carbide supply chain would be the strongest validation of the critical-minerals case.

Sources

• Tungsten surge transforms Northcliff’s Sisson economics — Northern Miner

Photo: Agnico-Eagle · CC0 1.0 — source