Barton Gold Holdings Limited - Numerous High-Grade Assays Extend Tolmer Silver Discovery

About this update from Barton Gold Holdings Limited

Barton Gold Holdings Limited (ASX:BGD)(OTC PINK:BGDFF)(FRA:BGD3) (Barton or Company) is pleased to announce further shallow, broad and high-grade assays at its South Australian Tolmer Silver discovery (Tolmer). Tolmer is located at its Tarcoola Gold Project (Tarcoola), where during 2025 Barton announced one of Australia's highest-grade modern silver discoveries with an intersection of 6m @ 4,747 g/t Ag from only 46m depth.1 These assays have further infilled Tolmer's shallow, high-grade 'western silver zone' mineralisation and extended it to over 500m strike, also yielding broad high-grade intersections in the 'eastern gold zone'. Preliminary analyses for petrology and structural interpretation are now underway. Barton will also expedite full metallurgical analysis of Tolmer mineralisation by preparing composite samples taken from recent drilling. Commenting on the latest Tolmer drilling results, Barton MD Alexander Scanlon said: 'Our South Australian Tolmer silver discovery continues to yield broad, high-grade silver assays across an expanding footprint. With a shallow profile and having produced trial concentrates grading over 100,000 g/t Ag, Tolmer is already hinting at real potential for a low-cost, high-margin operation. We will share our further analysis in due course. 'We are also planning to update our 3.1 million ounce Tunkillia silver Resource, where 58,000m drilling was recently completed to support JORC upgrades, a Pre-Feasibility study, a Mining Lease application and financing discussions. 'Barton's Tolmer and Tunkillia silver assets are emerging as potentially significant contributors to our South Australian precious metals strategy, whether developed as a complement to our regional gold holdings or on a standalone basis.' New assays extend Tolmer silver discovery During March 2025 , Barton announced one of Australia's highest-grade modern silver discoveries at Tolmer, where two shallow horizons (100,000 g/t Ag (10% silver).2 New assays from 3,677m reverse circulation (RC) drilling have further infilled the high-grade 'western silver zone' and extended its footprint of shallow silver mineralisation to over 500m total strike length.3 These have also infilled the 'eastern gold zone' with broad, shallow high-grade gold intersections. Competent Persons Statement The information in this announcement that relates to Exploration Results for the Tarcoola Gold Project (including drilling, sampling, geophysical surveys and geological interpretation) is based upon, and fairly represents, information and supporting documentation compiled by Mr Marc Twining BSc (Hons). Mr Twining is an employee of Barton Gold Holdings Ltd and is a Member of the Australasian Institute of Mining and Metallurgy Geoscientists (AusIMM Member 112811) and has sufficient experience with the style of mineralisation, the deposit type under consideration and to the activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves' (The JORC Code). Mr Twining consents to the inclusion in this announcement of the matters based upon this information in the form and context in which it appears. About Barton Gold Barton Gold is an ASX, OTC 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.* (C) 2026 Electronic News Publishing, source ENP Newswire

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