TAT: Annual Report to shareholders

Original announcement by asx on

Company
Tartana Minerals Limited
Ticker
TAT
Exchange
ASX
Region
Queensland
Primary commodity
Copper
Secondary commodities
Gold, Zinc, Silver, Tin, Tungsten
Document categories
Resource update, Capital raise, Drill results
Extracted
2026-09-30 09:30:10 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Tartana Minerals Limited's annual report for FY2026 highlights a mixed year with significant operational challenges at its copper sulphate plant, leading to a net loss and a material uncertainty regarding its going concern status. Despite these financial difficulties, the company reported a maiden Inferred Mineral Resource for the Cardross gold project and commenced new drilling programs at Tartana Copper and Nightflower. Post-year-end, the company secured a A$2.3 million placement from Xingye Gold, providing crucial funding.

Reasoning: The company faces severe financial and operational challenges, including a going concern warning and declining production from its key asset. While a maiden gold resource and a recent capital raise offer some positive developments, the overall outlook remains uncertain due to the magnitude of the financial issues and corporate instability.

Positive factors

  • Maiden gold resource reported for Cardross project.
  • Successful capital raise from strategic investor Xingye Gold provides crucial funding.
  • New drilling programs commenced at Nightflower and Tartana Copper.
  • Resource estimates are JORC compliant and signed off by a Competent Person.

Negative factors

  • Material uncertainty regarding the company's ability to continue as a going concern.
  • Significant net loss and gross loss from copper sulphate operations.
  • Declining copper sulphate production and operational issues at the plant.
  • Company has net current liabilities.
  • Convertible notes with significant face value are maturing soon.
  • Board changes and an EGM for director removal indicate corporate instability.
  • Historical resource estimates for Tartana Copper, Queen Grade Zinc, and Mountain Maid Gold were not updated with new figures in this report.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 2

Classification and evidence

Going Concern Warningnegative · Story-specific tag

No canonical definition is currently available.

Why it applies: The Group's cash position, operating cash outflows, net current liabilities and dependence on future funding give rise to a material uncertainty that may cast significant doubt on its ability to continue as a going concern.

Evidence · text

“The Group's cash position, operating cash outflows, net current liabilities and dependence on future funding give rise to a material uncertainty that may cast significant doubt on its ability to continue as a going concern.”

Maiden Resourceneutral

First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.

Why it applies: At Cardross, the Company published a maiden Inferred Mineral Resource in October 2025 of 50.4 million tonnes at 0.31 grams per tonne gold for 502,000 ounces of gold, using a 0.1 grams per tonne cut-off.

Evidence · text

“At Cardross, the Company published a maiden Inferred Mineral Resource in October 2025 of 50.4 million tonnes at 0.31 grams per tonne gold for 502,000 ounces of gold, using a 0.1 grams per tonne cut-off.”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The Cardross gold resource is reported as a maiden Inferred Mineral Resource, indicating a lower level of geological confidence.

Evidence · text

“At Cardross, the Company published a maiden Inferred Mineral Resource in October 2025 of 50.4 million tonnes at 0.31 grams per tonne gold for 502,000 ounces of gold, using a 0.1 grams per tonne cut-off.”

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: Michael Thirnbeck has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the JORC Code.

Evidence · text

“Michael Thirnbeck has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the JORC Code.”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Michael Thirnbeck is responsible for the form and context of the Resource statements above. Michael Thirnbeck is a Non-Executive Director of Tartana Minerals Limited. He is a Member of the AusIMM and consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

Evidence · text

“Michael Thirnbeck is responsible for the form and context of the Resource statements above. Michael Thirnbeck is a Non-Executive Director of Tartana Minerals Limited. He is a Member of the AusIMM and consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The Cardross gold resource was reported using a 0.1 grams per tonne cut-off, providing transparency on the estimation parameters.

Evidence · text

“At Cardross, the Company published a maiden Inferred Mineral Resource in October 2025 of 50.4 million tonnes at 0.31 grams per tonne gold for 502,000 ounces of gold, using a 0.1 grams per tonne cut-off.”

Capital Raisepositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The company completed a placement of 43,460,678 shares to Xingye Gold (Hong Kong) Mining Company Limited, raising A$2.303 million.

Evidence · text

“On 11 August 2026, the Company completed a placement of 43,460,678 shares to Xingye Gold (Hong Kong) Mining Company Limited at $0.053 per share, raising A$2.303 million and giving Xingye a 9.99% interest in the Company.”

Dilutionnegative · Story-specific tag

No canonical definition is currently available.

Why it applies: The capital raise involved the issuance of 43,460,678 new shares, which will dilute existing shareholders.

Evidence · text

“On 11 August 2026, the Company completed a placement of 43,460,678 shares to Xingye Gold (Hong Kong) Mining Company Limited at $0.053 per share, raising A$2.303 million and giving Xingye a 9.99% interest in the Company.”

Operational Issuesnegative · Story-specific tag

No canonical definition is currently available.

Why it applies: Copper sulphate performance weakened during FY2026, primarily due to depletion of the remaining copper within the existing heaps and ponds. A failure of the crystallisation chiller in late December 2025 caused a further interruption.

Evidence · text

“Copper sulphate performance weakened during FY2026, primarily due to depletion of the remaining copper within the existing heaps and ponds. A failure of the crystallisation chiller in late December 2025 caused a further interruption.”

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: The Tartana Pit Copper Resource, Queen Grade Zinc Resource, and Mountain Maid Gold Resource were first reported in February 2023, making them stale in this 2026 annual report without updated figures.

Evidence · text

“The above resource [Tartana Pit Copper Resource] was first reported to the ASX on 9 February 2023... The above resource [Queen Grade Zinc Resource] was first reported to the ASX on 14 February 2023... Global inferred mineral resource including oxide resource [Mountain Maid Gold Resource] (first table) and oxide resource only (second table). First reported to the ASX on 20 February 2023.”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

inferredCardross · goldTonnes: 50400000Grade: 0.31Grade Unit: g/tContained Metal: 502000Contained Unit: ozView all details
Link to this fact

Identity

Project
Cardross
Commodity
gold
Region
australia_qld
Reported Region
Far North Queensland
Ticker
TAT

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Michael Thirnbeck
Resource group id
resource:dac4e90d194126d26563
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
50400000
Grade
0.31
Grade Unit
g/t
Contained Metal
502000
Contained Unit
oz
Cutoff Grade
0.1
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2025-10-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: The maiden Inferred Mineral Resource for Cardross Gold is a significant positive development, establishing a substantial gold inventory for the project. However, its entirely Inferred classification and relatively low grade indicate early-stage confidence and potential economic challenges.

Positive factors

  • Maiden resource establishes a baseline for the project.
  • Significant contained gold ounces (502,000 oz).
  • JORC compliant and signed off by a Competent Person.
  • Cut-off grade is disclosed, providing transparency.

Negative factors

  • Resource is entirely in the Inferred category, indicating lower geological confidence.
  • Grade of 0.31 g/t Au is relatively low, even for an open pit scenario.

Evidence · text

“At Cardross, the Company published a maiden Inferred Mineral Resource in October 2025 of 50.4 million tonnes at 0.31 grams per tonne gold for 502,000 ounces of gold, using a 0.1 grams per tonne cut-off.”

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

Fact 2View all details
Link to this fact

Identity

Ticker
TAT

Resource scope

Reporting standards
jorc
Mining method
open_pit

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: The capital raise is a significant positive event, providing much-needed funding and attracting a strategic investor, which helps to alleviate immediate liquidity concerns and signals external confidence in the company's prospects despite its financial challenges.

Positive factors

  • Provides crucial funding (A$2.303 million) to address liquidity issues.
  • Attracts a strategic investor (Xingye Gold) with a significant stake (9.99%).
  • Placement was completed at a premium to the market price, indicating investor confidence.

Negative factors

  • Results in dilution for existing shareholders.
  • The amount raised may not be sufficient to fully resolve the company's going concern issues.

Evidence · text

“On 11 August 2026, the Company completed a placement of 43,460,678 shares to Xingye Gold (Hong Kong) Mining Company Limited at $0.053 per share, raising A$2.303 million and giving Xingye a 9.99% interest in the Company.”

Tags used in scoring

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.