TSF1 Geotechnical Drilling Completed at Central Gawler Mill

Rhea-AI Summary

Barton Gold (ASX:BGD, OTCQB:BGDFF) completed TSF1 geotechnical drilling at the Central Gawler Mill on November 3, 2025 to support the Stage 1 Definitive Feasibility Study (DFS) for the Challenger Gold Project.

The program comprised 5 sonic holes for material recovery, 24 CPTu holes, and 3 VST and 3 bulk density holes. Samples will be used for fine grinding testwork and to inform detailed mine design, equipment selection, and operating cost estimates for tailings recovery and processing.

Samples collected for fine grinding testwork, mine design & costing

ADELAIDE, AU / ACCESS Newswire / November 3, 2025 / Barton Gold Holdings Limited (ASX:BGD)(OTCQB:BGDFF)(FRA:BGD3) (Barton or the Company) has completed TSF1 geotechnical drilling in support of a recently launched Definitive Feasibility Study for 'Stage 1' production (Stage 1 DFS) at the Company's South Australian Challenger Gold Project (Challenger). ¹

The program included 5 sonic drill holes to recover TSF1 materials for lab testing, 24 holes for Cone Penetration Testing ( CPTu ) and further laboratory testing, and 3 holes each for vein shear testing (VST) and bulk density (BD) testing. Results will inform TSF1 detailed mine design, equipment selection, and operating cost estimates.

Figure 1 - TSF1 with completed CPT (red), sonic (green stars), VST / BD (orange) & AC / RC drill holes

Commenting on the TSF1 geotechnical drilling, Barton Managing Director Alexander Scanlon said:

"This drilling is the first of several production-related work programs completed for our 'Stage 1' production DFS at the Central Gawler Mill. The samples collected will be used for fine grinding testwork, and to inform key elements of mine design, equipment selection and operating costs for tailings recovery and processing."

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 Cook Company Secretary cosec@bartongold.com.au +61 8 9322 1587

About Barton Gold

Barton Gold is an ASX, OTCQB and Frankfurt Stock Exchange listed Australian gold developer targeting future gold production of 150,000ozpa with 2.2Moz Au & 3.1Moz Ag JORC Mineral Resources (79.9Mt @ 0.87g/t Au), brownfield mines, and 100% ownership of the region's only gold mill in the renowned Gawler Craton of South Australia. ^*

Challenger Gold Project 313koz Au + fully permitted Central Gawler Mill ( CGM ) Tarcoola Gold Project 20koz Au in fully permitted open pit mine near CGM Tolmer discovery grades up to 84g/t Au & 17,600g/t Ag Tunkillia Gold Project 1.6Moz Au & 3.1Moz Ag JORC Mineral Resources Competitive 120kozpa gold & 250kozpa silver project Wudinna Gold Project 279koz Au project located southeast of Tunkillia Significant optionality, adjacent to main highway

Competent Persons Statement & Previously Reported Information

The information in this announcement that relates to the historic Exploration Results and Mineral Resources as listed in the table below is based on, and fairly represents, information and supporting documentation prepared by the Competent Person whose name appears in the same row, who is an employee of or independent consultant to the Company and is a Member or Fellow of the Australasian Institute of Mining and Metallurgy (AusIMM), Australian Institute of Geoscientists (AIG) or a Recognised Professional Organisation (RPO). Each person named in the table below has sufficient experience which is relevant to the style of mineralisation and types of deposits under consideration and to the activity which he has undertaken to quality as a Competent Person as defined in the JORC Code 2012 ( JORC ).

Activity	Competent Person	Membership	Status
Tarcoola Mineral Resource (Stockpiles)	Dr Andrew Fowler (Consultant)	AusIMM	Member
Tarcoola Mineral Resource (Perseverance Mine)	Mr Ian Taylor (Consultant)	AusIMM	Fellow
Tarcoola Exploration Results (until 15 Nov 2021)	Mr Colin Skidmore (Consultant)	AIG	Member
Tarcoola Exploration Results (after 15 Nov 2021)	Mr Marc Twining (Employee)	AusIMM	Member
Tunkillia Exploration Results (until 15 Nov 2021)	Mr Colin Skidmore (Consultant)	AIG	Member
Tunkillia Exploration Results (after 15 Nov 2021)	Mr Marc Twining (Employee)	AusIMM	Member
Tunkillia Mineral Resource	Mr Ian Taylor (Consultant)	AusIMM	Fellow
Challenger Mineral Resource (above 215mRL)	Mr Ian Taylor (Consultant)	AusIMM	Fellow
Challenger Mineral Resource (below 90mRL)	Mr Dale Sims	AusIMM / AIG	Fellow / Member
Wudinna Mineral Resource (Clarke Deposit)	Ms Justine Tracey	AusIMM	Member
Wudinna Mineral Resource (all other Deposits)	Mrs Christine Standing	AusIMM / AIG	Member / Member

The information relating to historic Exploration Results and Mineral Resources in this announcement is extracted from the Company's Prospectus dated 14 May 2021 or as otherwise noted, available from the Company's website at www.bartongold.com.au or on the ASX website www.asx.com.au. The Company confirms that it is not aware of any new information or data that materially affects the Exploration Results and Mineral Resource information included in previous announcements and, in the case of estimates of Mineral Resources, that all material assumptions and technical parameters underpinning the estimates, and any production targets and forecast financial information derived from the production targets, continue to apply and have not materially changed. In accordance with ASX Listing Rule 5.19.2, the Company further confirms that the material assumptions underpinning any production targets and the forecast financial information derived therefrom continue to apply and have not materially changed. The Company confirms that the form and context in which the applicable Competent Persons' findings are presented have not been materially modified from the previous announcements.

Cautionary Statement Regarding Forward-Looking Information

This document may contain forward-looking statements. Forward-looking statements are often, but not always, identified by the use of words such as "seek", "anticipate", "believe", "plan", "expect", "target" and "intend" and statements than an event or result "may", "will", "should", "would", "could", or "might" occur or be achieved and other similar expressions. Forward-looking information is subject to business, legal and economic risks and uncertainties and other factors that could cause actual results to differ materially from those contained in forward-looking statements. Such factors include, among other things, risks relating to property interests, the global economic climate, commodity prices, sovereign and legal risks, and environmental risks. Forward-looking statements are based upon estimates and opinions at the date the statements are made. Barton undertakes no obligation to update these forward-looking statements for events or circumstances that occur subsequent to such dates or to update or keep current any of the information contained herein. Any estimates or projections as to events that may occur in the future (including projections of revenue, expense, net income and performance) are based upon the best judgment of Barton from information available as of the date of this document. There is no guarantee that any of these estimates or projections will be achieved. Actual results will vary from the projections and such variations may be material. Nothing contained herein is, or shall be relied upon as, a promise or representation as to the past or future. Any reliance placed by the reader on this document, or on any forward-looking statement contained in or referred to in this document will be solely at the readers own risk, and readers are cautioned not to place undue reliance on forward-looking statements due to the inherent uncertainty thereof.

¹ Refer to ASX announcements dated 29 September and 23 October 2025

^* Refer to Barton Prospectus dated 14 May 2021 and ASX announcement dated 8 September 2025. Total Barton JORC (2012) Mineral Resources include 1,049koz Au (39.7Mt @ 0.82 g/t Au) in Indicated category and 1,186koz Au (40.2Mt @ 0.92 g/t Au) in Inferred category, and 3,070koz Ag (34.5Mt @ 2.80 g/t Ag) in Inferred category as a subset of Tunkillia gold JORC (2012) Mineral Resources.

SOURCE: Barton Gold Holdings Limited

View the original press release on ACCESS Newswire

FAQ

What did Barton Gold announce about TSF1 geotechnical drilling on November 3, 2025 for BGDFF?

Barton announced completion of TSF1 geotechnical drilling to support the Stage 1 DFS, including sonic, CPTu, VST and bulk density holes.

How many drill holes were completed at TSF1 in the BGDFF update?

The program included 5 sonic holes, 24 CPTu holes, 3 vein shear testing holes and 3 bulk density holes.

What will Barton use TSF1 samples for in the Stage 1 DFS for BGDFF?

Samples will be used for fine grinding testwork and to inform mine design, equipment selection and operating cost estimates.

How does the TSF1 drilling affect the Stage 1 Definitive Feasibility Study for BGDFF?

The drilling provides geotechnical data and samples to refine detailed mine design and operating cost inputs for the DFS.

Who authorized the TSF1 geotechnical drilling announcement for Barton Gold (BGDFF)?

The announcement was authorised by the company's Managing Director, Alexander Scanlon.

Where can investors find contacts for further information on Barton's TSF1 drilling (BGDFF)?

Contact details provided include Managing Director Alexander Scanlon (a.scanlon@bartongold.com.au) and Company Secretary Jade Cook (cosec@bartongold.com.au).