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Tunkillia Pre-Feasibility Study Begins

Sun, 21 Jun 2026 21:00:00 -0400

Expanded programs targeting Q1 CY27 completion & ML application

HIGHLIGHTS

GR Engineering appointed to lead Pre-feasibility Study (PFS) for Tunkillia Gold Project; targeting Q1 CY27 PFS completion to include prospective Resource upside in open pit optimisations
Ongoing upgrade drilling has already infilled highest value 'S1' and 'S2' optimised open pit areas with broad, high-grade mineralisation and identified higher-grade extensions of 'Area 51' open pit area; Phase 2 drilling has now expanded, targeting Resources and grade upside mineralisation in open pits^[1]

ADELAIDE, AUSTRALIA / ACCESS Newswire / June 21, 2026 / Barton Gold Holdings Limited

Tunkillia Pre-Feasibility Study Begins

Sun, 21 Jun 2026 21:00:00 -0400

Expanded programs targeting Q1 CY27 completion & ML application

HIGHLIGHTS

GR Engineering appointed to lead Pre-feasibility Study (PFS) for Tunkillia Gold Project; targeting Q1 CY27 PFS completion to include prospective Resource upside in open pit optimisations
Ongoing upgrade drilling has already infilled highest value 'S1' and 'S2' optimised open pit areas with broad, high-grade mineralisation and identified higher-grade extensions of 'Area 51' open pit area; Phase 2 drilling has now expanded, targeting Resources and grade upside mineralisation in open pits^[1]

ADELAIDE, AUSTRALIA / ACCESS Newswire / June 21, 2026 / Barton Gold Holdings Limited

BARTON GOLD expands Tunkillia Phase 2 drilling to ~40,000m

Mon, 15 Jun 2026 19:30:16 -0400

Barton Gold Holdings Limited (ASX: BGD, OTCQB: BGDFF, FRA: BGD3) has expanded the reverse circulation drilling program at its Tunkillia Gold Project in South Australia, increasing the Phase 2 program from approximately 30,000 meters to approximately 40,000 meters, an addition of roughly 10,500 meters.

The company said an interim analysis of assay results from Phase 1 and Phase 2 drilling identified potential to extend total Tunkillia mineralization, increase JORC Mineral Resources within optimized pit outlines, and improve the grade profile and classification of mineralization in the "Starter" pit areas. Phase 1 drilling of 18,900 meters was completed in November 2025.

The expansion

Expansion of Tunkillia Phase 2 Upgrade Drilling

Mon, 15 Jun 2026 19:30:00 -0400

Interim analysis indicates growth & grade upside potential

HIGHLIGHTS

18,900m 'Phase 1' upgrade drilling completed November 2025, ~30,000m, 'Phase 2' program ongoing
Analysis of assays to-date indicates upside potential in high value 'Starter' pit areas, potential extensions of main open pit, and higher-grade extensions of 'Area 51' open pit mineralisation¹
Reverse circulation (RC) component of 'Phase 2' drilling program now expanded to ~40,000m

ADELAIDE, AU / ACCESS Newswire / June 15, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the expansion of 'Phase 2' upgrade drilling at its South

Expansion of Tunkillia Phase 2 Upgrade Drilling

Mon, 15 Jun 2026 19:30:00 -0400

Interim analysis indicates growth & grade upside potential

HIGHLIGHTS

18,900m 'Phase 1' upgrade drilling completed November 2025, ~30,000m, 'Phase 2' program ongoing
Analysis of assays to-date indicates upside potential in high value 'Starter' pit areas, potential extensions of main open pit, and higher-grade extensions of 'Area 51' open pit mineralisation¹
Reverse circulation (RC) component of 'Phase 2' drilling program now expanded to ~40,000m

Drilling Completed at High-Grade Tolmer Silver Discovery

Wed, 10 Jun 2026 20:45:00 -0400

Follow up drilling targeting infill, extensions of a high-grade mineralisation

HIGHLIGHTS

3,677m RC drilling program completed, targeting extensions of Tolmer's high-grade silver; mineralisation confirmed in numerous prior drilling assays exceeding 2,000 gram-metres Ag¹
Recent preliminary test yields high-grade concentrate over 100,000 g/t Ag (10% silver)¹

ADELAIDE, AU / ACCESS Newswire / June 10, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the completion of expedited follow up drilling at its high-grade Tolmer Silver discovery (Tolmer), located at its South Australian Tarcoola Gold Project (Tarcoola). Tolmer is one of

Drilling Completed at High-Grade Tolmer Silver Discovery

Wed, 10 Jun 2026 20:45:00 -0400

Follow up drilling targeting infill, extensions of a high-grade mineralisation

HIGHLIGHTS

3,677m RC drilling program completed, targeting extensions of Tolmer's high-grade silver; mineralisation confirmed in numerous prior drilling assays exceeding 2,000 gram-metres Ag¹
Recent preliminary test yields high-grade concentrate over 100,000 g/t Ag (10% silver)¹

Challenger Assays Extend New Open Pittable Mineralisation

Tue, 19 May 2026 21:21:00 -0400

Targeting New JORC Mineral Resources at 'Challenger 3' Target

HIGHLIGHTS

8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets¹
New assays confirm CSSW and Challenger 3 mineralisation, and support a potential new Challenger 3 JORC (2012) Mineral Resource Estimate (MRE), including:

Hole ID

Interval

Including:

CHB0197

8m @ 1.68 g/t Au from 55 metres

1m @ 7.64 g/t Au

Challenger Assays Extend New Open Pittable Mineralisation

Tue, 19 May 2026 21:21:00 -0400

Targeting New JORC Mineral Resources at 'Challenger 3' Target
HIGHLIGHTS
8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets¹
New assays confirm CSSW and Challenger 3 mineralisation, and support a potential new Challenger 3 JORC (2012) Mineral Resource Estimate (MRE), including:
Hole ID
Interval
Including:
CHB0197
8m @ 1.68 g/t Au from 55 metres
1m @ 7.64 g/t Au

Drilling Targets High-Grade Tolmer Silver Extensions

Mon, 18 May 2026 20:06:00 -0400

Follow up drilling expedited after recent high-grade concentrate results
HIGHLIGHTS
~4,000m reverse circulation (RC) program targeting extensions of Tolmer's high-grade silver; mineralisation confirmed in numerous prior drilling assays exceeding 2,000 gram-metres Ag¹
Recent preliminary test yields high-grade concentrate over 100,000 g/t Ag (10% silver)¹

ADELAIDE, AU / ACCESS Newswire / May 18, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the start of expedited follow up drilling at its high-grade Tolmer Silver prospect (Tolmer), located at its South Australian Tarcoola Gold Project (Tarcoola). Strike Drilling have been appointed

Drilling Targets High-Grade Tolmer Silver Extensions

Mon, 18 May 2026 20:06:00 -0400

Follow up drilling expedited after recent high-grade concentrate results
HIGHLIGHTS
~4,000m reverse circulation (RC) program targeting extensions of Tolmer's high-grade silver; mineralisation confirmed in numerous prior drilling assays exceeding 2,000 gram-metres Ag¹
Recent preliminary test yields high-grade concentrate over 100,000 g/t Ag (10% silver)¹

ADELAIDE, AU / ACCESS Newswire / May 18, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the start of expedited follow up drilling at its high-grade Tolmer Silver prospect (Tolmer), located at its South Australian Tarcoola Gold Project (Tarcoola). Strike Drilling have been appointed

Challenger DFS Progress Update

Wed, 13 May 2026 19:55:00 -0400

CGM confirmed suitable for recommissioning, scenario analysis ongoing
HIGHLIGHTS
Central Gawler Mill (CGM) assessed to be suitable for recommissioning, with the reprocessing of historical TSF1 tailing materials considered technically feasible and operationally practical
Open pit Resource upgrade, geotechnical, metallurgical, and optimisation programs ongoing

ADELAIDE, AU / ACCESS Newswire / May 13, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to provide an update on the progress of its ongoing Definitive Feasibility Study (DFS) for the restart of production at its South Australian Challenger Gold Project (Challenger), utilising Barton's adjacent Central

Challenger DFS Progress Update

Wed, 13 May 2026 19:55:00 -0400

CGM confirmed suitable for recommissioning, scenario analysis ongoing
HIGHLIGHTS
Central Gawler Mill (CGM) assessed to be suitable for recommissioning, with the reprocessing of historical TSF1 tailing materials considered technically feasible and operationally practical
Open pit Resource upgrade, geotechnical, metallurgical, and optimisation programs ongoing

ADELAIDE, AU / ACCESS Newswire / May 13, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to provide an update on the progress of its ongoing Definitive Feasibility Study (DFS) for the restart of production at its South Australian Challenger Gold Project (Challenger), utilising Barton's adjacent Central

Presentation to RIU Sydney Resources Roundup

Tue, 05 May 2026 19:30:00 -0400

Targeting near-term production, medium-term scale & long-term growth

ADELAIDE, AU / ACCESS Newswire / May 5, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) advises that the attached presentation is due to be presented today at the RIU Sydney Resources Roundup.
A copy of this presentation can be accessed on the ASX website, the investor section of Barton's website, or directly by clicking here.
Authorised by the Managing Director of Barton Gold Holdings Limited.
For further information, please contact:
Alexander Scanlon
Managing Director
a.scanlon@bartongold.com.au
+61 425 226 649
Jade

Presentation to RIU Sydney Resources Roundup

Tue, 05 May 2026 19:30:00 -0400

Targeting near-term production, medium-term scale & long-term growth

ADELAIDE, AU / ACCESS Newswire / May 5, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) advises that the attached presentation is due to be presented today at the RIU Sydney Resources Roundup.
A copy of this presentation can be accessed on the ASX website, the investor section of Barton's website, or directly by clicking here.
Authorised by the Managing Director of Barton Gold Holdings Limited.
For further information, please contact:
Alexander Scanlon
Managing Director
a.scanlon@bartongold.com.au
+61 425 226 649
Jade

Tolmer Yields >100,000 g/t Silver Trial Gravity Concentrate

Mon, 04 May 2026 19:59:00 -0400

Metallurgical evaluation started, follow up drilling expedited for mid-May
HIGHLIGHTS
Preliminary test yields high-grade concentrate grading over 100,000 g/t Ag (10% silver)
Trial concentrate to support preliminary evaluation of Tolmer petrology and paragenesis utilising scanning electron microscopy (SEM); leading geological consultant engaged
~4,000m follow up drilling expedited for May 2026 to infill high-grade assays, test extensions

ADELAIDE, AU / ACCESS Newswire / May 4, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the results of a preliminary analysis of sample mineralisation collected from drilling at its high-grade Tolmer Silver

Tolmer Yields >100,000 g/t Silver Trial Gravity Concentrate

Mon, 04 May 2026 19:59:00 -0400

Metallurgical evaluation started, follow up drilling expedited for mid-May
HIGHLIGHTS
Preliminary test yields high-grade concentrate grading over 100,000 g/t Ag (10% silver)
Trial concentrate to support preliminary evaluation of Tolmer petrology and paragenesis utilising scanning electron microscopy (SEM); leading geological consultant engaged
~4,000m follow up drilling expedited for May 2026 to infill high-grade assays, test extensions

ADELAIDE, AU / ACCESS Newswire / May 4, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the results of a preliminary analysis of sample mineralisation collected from drilling at its high-grade Tolmer Silver

New Head of Corporate Affairs and Sustainability

Sun, 03 May 2026 19:40:00 -0400

Key appointment as Barton moves toward development and operations
HIGHLIGHTS
Appointment of Ms Sylvia Rapo as Barton's new Head of Corporate Affairs and Sustainability
~25 years' South Australian experience in corporate affairs, communications, government relations, media management and sustainability, including with JBS&G, BAE Systems Australia, ElectraNet, Beach Energy, and the Office of the Premier and Department for Environment & Natural Resources

ADELAIDE, AU / ACCESS Newswire / May 3, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the appointment of Ms Sylvia Rapo as Head of Corporate Affairs and

New Head of Corporate Affairs and Sustainability

Sun, 03 May 2026 19:40:00 -0400

Key appointment as Barton moves toward development and operations
HIGHLIGHTS
Appointment of Ms Sylvia Rapo as Barton's new Head of Corporate Affairs and Sustainability
~25 years' South Australian experience in corporate affairs, communications, government relations, media management and sustainability, including with JBS&G, BAE Systems Australia, ElectraNet, Beach Energy, and the Office of the Premier and Department for Environment & Natural Resources

ADELAIDE, AU / ACCESS Newswire / May 3, 2026 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce the appointment of Ms Sylvia Rapo as Head of Corporate Affairs and

Dual Rigs Commence Tunkillia Diamond Drilling

Wed, 22 Apr 2026 20:20:00 -0400

Targeting Ore Reserves, PFS and ML application by the end of 2026
HIGHLIGHTS
May 2025 Optimised Scoping Study (OSS) outlined a compelling Tunkillia development project:¹
Annual production:
~120,000oz gold and ~250,000oz silver
Total LoM operating profit:
~A$2.7 billion (unlevered, pre-tax)
Net Present Value (NPV_7.5%):
~A$1.4 billion (unlevered, pre-tax)
Internal Rate of Return (IRR):
~73.2% (unlevered, pre-tax)
Payback period:
~0.8 years (unlevered, pre-tax)
Barton expediting Tunkillia toward Mining Lease (ML) application, with AUD gold and silver prices now circa $1,600/oz and $60/oz higher (respectively) than used for

Dual Rigs Commence Tunkillia Diamond Drilling

Wed, 22 Apr 2026 20:20:00 -0400

Targeting Ore Reserves, PFS and ML application by the end of 2026
HIGHLIGHTS
May 2025 Optimised Scoping Study (OSS) outlined a compelling Tunkillia development project:¹
Annual production:
~120,000oz gold and ~250,000oz silver
Total LoM operating profit:
~A$2.7 billion (unlevered, pre-tax)
Net Present Value (NPV_7.5%):
~A$1.4 billion (unlevered, pre-tax)
Internal Rate of Return (IRR):
~73.2% (unlevered, pre-tax)
Payback period:
~0.8 years (unlevered, pre-tax)
Barton expediting Tunkillia toward Mining Lease (ML) application, with AUD gold and silver prices now circa $1,600/oz and $60/oz higher (respectively) than used for

Challenger West Assays Return Grades up to 60g/t Au

Tue, 21 Apr 2026 19:30:00 -0400

Shallow, high-grade mineralisation in floor of existing open pit
HIGHLIGHTS
8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets
Recent Challenger's 'Main' assays identified new high-grade mineralisation in open pit walls; new Challenger West assays confirm high-grade mineralisation in the pit's floor, and include:
Hole ID
Interval
Including:
CHB0149
7m @ 2.01 g/t Au from 0 metres
8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets
Recent Challenger's 'Main' assays identified new high-grade mineralisation in open pit walls; new Challenger West assays confirm high-grade mineralisation in the pit's floor, and include:
Hole ID
Interval
Including:
CHB0149
7m @ 2.01 g/t Au from 0 metres
8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets^[1]
Challenger's 'Main' open pit operated during 2002 - 2004; drilling has identified new high-grade mineralisation in the open pit's walls and extensions, where new assays include:^[2]
Hole ID
Interval
Including:
CHB0140
9m @ 2.20 g/t Au from 97 metres
8,065m reverse circulation (RC) Resource upgrade drilling recently completed at Challenger 'Main', 'Challenger West' (CW) open pits, and 'Challenger South-Southwest' (CSSW) and 'Challenger 3' targets^[1]
Challenger's 'Main' open pit operated during 2002 - 2004; drilling has identified new high-grade mineralisation in the open pit's walls and extensions, where new assays include:^[2]
Hole ID
Interval
Including:
CHB0140
9m @ 2.20 g/t Au from 97 metres