DRILLING COMMENCED AT NORTH COBAR COPPERGOLD PROJECT, LACHLAN FOLD BELT, NSW

About this update from Lachlan Star Limited

Lachlan Star Limited (ASX: LSA, Lachlan Star or the Company) is pleased to advise that its maiden drilling program has commenced at the 100%-owned North Cobar Copper-Gold Project , located within the Cobar Basin of the Lachlan Fold Belt, New South Wales . With drilling now finished at the Killaloe Gold Project , and receipt of those assay results expected over the coming weeks, the Company has mobilised its team across to Cobar to undertake the drilling program at North Cobar. A program of approximately 4,000 metres of RC has been designed to test several targets, where the Company has defined Cobar-type coincident Gravity, Magnetic and chargeable Induced Polarisation (IP) anomalies within the interpreted northerly extensions of the structurally complex Rookery Fault Zone corridor, which hosts MAC's CSA Copper-Gold Mine . Encouragingly, the coincidence and strength of the chargeable (up to 20mV/V) IP anomalies, with the discrete gravity and magnetic features, is interpreted to correspond with the presence of Cobartype Copper-Gold sulphide mineralisation and associated alteration. The planned RC drilling program is expected to take 4-6 weeks to complete. 'We are pleased to see the continual advancement of the Company's exploration portfolio across multiple fronts, with activity accelerating at both the Killaloe and North Cobar Projects. At Killaloe, our first drill campaign is returning encouraging early results, with the bulk of assays still to come, particularly in areas outside the main Duke trend. These results highlight the broader potential of the Project to host additional gold-mineralised structures, and we anticipate receiving further assays over the coming weeks. At North Cobar, we have commenced our first drilling campaign, targeting a compelling pipeline of Cobar-type anomalies in a world-class mineral district. The scale and strength of these targets are highly encouraging, and we are eager to see these tested with the drill bit. With activity on multiple fronts, we're excited to continue to build momentum across what is now an active and increasingly prospective exploration portfolio.' NORTH COBAR PROJECT, NSW (100% EL9051, EL9520 & EL9696) The North Cobar Project comprises three Exploration Licenses (EL9051, EL9520 & EL9696) and is located immediately north of the Cobar Mining District in central New South Wales . A district that has seen a significant resurgence of activity underpinned by Harmony Gold Mining Company's pending acquisition of MAC's CSA Copper-Gold Mine for US$1.03B 1 and Polymetals Resources Ltd's (ASX: POL) commissioning and restart of the Endeavor Lead-Zinc-Silver Mine in May 20252 . The Project straddles the northerly extensions to the Rookery and Buckwaroon Fault systems, a complex metalliferous fault network which is associated with several significant goldbase metal mines in the district including the CSA Mine (MAC) and Endeavor Mine (POL). The Project remains underexplored and has seen minimal drill testing by past explorers. The geological prospectivity, defined drill targets and underexplored nature of the project presents an exciting opportunity for significant discoveries in a new search space Contact: Andrew Tyrrell Email: [email protected] Tel: +61 8 6556 8880 Forward Looking Statements This report contains forward-looking statements which involve a number of risks and uncertainties. These forward-looking statements are expressed in good faith and believed to have a reasonable basis. These statements reflect current expectation, intentions or strategies regarding the future and assumptions based on currently available information. Should one or more of the risks or uncertainties materialise, or should underlying assumptions provide incorrect, actual results may vary from the expectations, intentions and strategies described in this report. No obligation is assumed to update forward looking statements if these beliefs, opinions and estimates should change or to reflect other future developments. About Lachlan Star Limited Lachlan Star Limited (ASX: LSA) is focused on the discovery of gold and copper resources across a portfolio of early-stage high-potential exploration projects located in central New South Wales and Western Australia . The Company has three projects situated within the highly endowed Lachlan Fold Belt mineral province of New South Wales and includes North Cobar, Bauloora North and Junee, and the Killaloe Project situated within the Eastern Goldfields of Western Australia . (C) 2025 Electronic News Publishing, source ENP Newswire

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