AS

Operating asset

Ashton Coal

YAL.ASX Production Australia underground 100% owned
Valuation case2026-10-19
2026E saleable coal1.55 Mtsemi-soft coking coal · literal product tonnes
ROM / CHPP feed3.1 Mt0× strip ratio
CHPP / saleable yield50%Saleable tonnes ÷ ROM feed
Realised coal price$181.44/tModeled pricing point
Site cash cost$64.38/tPer saleable tonne
Cash margin$99.28/tAfter royalties and modeled deductions
Risked NPV$452m100% ownership

Investment verdict

Compact underground semi-soft operation with low reserve ash but a short, low-yield reserve case

B
  • B+
    Grade & continuity

    The RUMEx marketable reserve is reported at 9.5% ash and 8.5% moisture, suitable for semi-soft/thermal markets; sulfur and coke-quality metrics are not disclosed.

  • C
    Metallurgy

    The 1H26 saleable-to-ROM yield was only 47.1%, the weakest of the controlled portfolio.

  • B
    Mining complexity

    Longwall mining is established but exposed to underground geology, development continuity and face-move execution.

  • B+
    Infrastructure & power

    Existing preparation and Hunter Valley rail access provide a proven route to Newcastle.

  • B
    Permitting status

    The current mine is operating, but the broader lease/resource pathway and mine-level closure schedule are not disclosed.

  • B
    Resource confidence

    The 20Mt recoverable and 10Mt marketable RUMEx reserve supports only about seven modeled years.

  • B+
    Geological upside

    A further 190Mt gross Ashton/RUMEx resource remains visible but is excluded from base economics.

  • B
    Expansion optionality

    Resource conversion could extend infrastructure use, but low yield and absent mine-level economics make that optionality speculative.

Valuation snapshot

100% NAV retained
Unrisked NPV $452m

Project DCF before the published stage and execution-risk charge.

Risk charge −$0m

Value removed by the model's project-stage and execution-risk adjustment.

Risked NPV $452m

Selected project value after risk, before ownership attribution.

Effective discount rate 7%

Time-value hurdle used for the project DCF after published adjustments.

NPV at first production $452m

Production-value anchor with pre-production timing removed; used by the FSV ladder.

Annual operating profile

Spot · risked · 100% of project
Saleable coal and CHPP yieldannual ROM-to-product conversion
Mt · %
Saleable-tonne economics2026E operating row and life-of-mine cost basis
US$/t
Realised price$181.44/t
Site cash cost$64.38/t
Cash cost incl. sustaining$94.48/t
Cash margin$99.28/t
ROM coal20 Mt
Saleable coal10 Mt
LOM saleable yield50%
Site cost / ROM t$32.19/t

A 100% yield indicates a schedule already expressed in saleable tonnes.

Revenue and cost stackcosts and capital aligned below zero
US$m
Capital recoveryannual and cumulative project cash flow
US$m

Timeline Built from the stored anchor years: construction start, first production, and closure (or first production plus reserve life where no closure year is published). The marker is the year the current valuation is struck from.

Construction
2004–2026
Production
2026–2033
20042008201220162020202420282032

Dashed line marks 2026, the year this valuation is struck from.

Resources and reserves

Effective 31 Dec 2025 · 100% basis

Ore reserves

AssetProven & probable (Mt)
Ashton Coal Mine 20.0

Mineral resources

AssetMeasured (Mt)Indicated (Mt)Measured & indicated (Mt)Inferred (Mt)Total (Mt)
Ashton Coal Mine 75.0 75.0 150 40.0 190

Coal tonnes are on the disclosed source basis; no equivalent conversion is applied.

Valuation framework Fair speculative value ladder Production →
Two valuation lenses $452m production-value OV anchors the speculative ladder; $452m stage-risked DCF is the selected modeled project value.

Speculative value by development stage

Current model stage Production 100%–100% certainty
Market-implied project value $5,396m Company market capitalization
USD OV NPV$452mAt production value
Diluted1,320.2mCompany shares F.D.
Net interest100%Attributable ownership
Exchange rate1.0000USD framework
Project stage Certainty FSV range Attributable FSV USD / share
01 Grassroots
0.5%–1%
$2m – $5m
$2m – $5m
$0 – $0
02 Target Drilling
1%–2.5%
$5m – $11m
$5m – $11m
$0 – $0.01
03 Discovery Delineation
2.5%–5%
$11m – $23m
$11m – $23m
$0.01 – $0.02
04 Infill & Metallurgy
5%–10%
$23m – $45m
$23m – $45m
$0.02 – $0.03
05 PEA
10%–25%
$45m – $113m
$45m – $113m
$0.03 – $0.09
06 Prefeasibility
25%–50%
$113m – $226m
$113m – $226m
$0.09 – $0.17
07 Permitting & Feasibility
50%–75%
$226m – $339m
$226m – $339m
$0.17 – $0.26
08 Construction
75%–100%
$339m – $452m
$339m – $452m
$0.26 – $0.34
09 Production Current
100%
$452m
$452m
$0.34
Formula OV NPV × stage certainty × net interest ÷ diluted shares. Red marker = company market capitalization.