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PERTH, Australia, Sept. 10, 2026 (GLOBE NEWSWIRE) — Alkane Resources Limited (ASX: ALK; TSX: ALK; OTCQX: ALKRY) (‘Alkane’ or ‘the Company’) is pleased to summarise the latest update to the Mineral Resource and Ore Reserve estimates for its assets in Australia and Sweden as at 30 June 2026.
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Individual Mineral Resources and Ore Reserves Statements for Björkdal, Tomingley and Costerfield will be released simultaneously with this announcement. Complete details for each estimate, as required by the ASX Listing Rules and the JORC Code, are set out in the individual statements.
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Group
Measured and Indicated Mineral Resources,1
Article contentArticle contentLocationTonnage (kt)Gold grade (g/t)Copper grade (%)Antimony grade (%)Contained gold (koz)Contained copper (Mt)Contained antimony (kt)Björkdal22,4742.07 1,497 Tomingley17,3022.1 1,184 Costerfield1,9936.0 2.1387 42.0Boda Kaiser2537,0000.320.19 5,5731.01 TOTAL578,7960.46 8,6411.0142.0 Article content
Group
Inferred Mineral Resources
Article contentLocationTonnage (kt)Gold grade (g/t)Copper grade (%)Antimony grade (%)Contained gold (koz)Contained copper (Mt)Contained antimony (kt)Björkdal12,0961.57 611 Tomingley34,5492.1 304 Costerfield9693.6 1.3111 12.9Boda Kaiser258,0000.330.18 2,7310.45 TOTAL275,6140.42 3,7570.4512.9 Article content
Group Ore Reserves
Article contentLocationTonnage (kt)Gold grade (g/t)Antimony grade (%)Contained gold (koz)Contained antimony (kt) Björkdal13,1211.33 563 Tomingley11,4071.7 641 Costerfield9605.51.617015.0 TOTAL25,4881.7 1,37415.0 Article content
Alkane Managing Director & CEO, Nic Earner, said:
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“We are pleased to report continued growth in resources at each producing asset, with all assets replacing depletion through continued exploration and extension of mineral resources. This growth reflects the success of our exploration programs and reinforces the value and potential we see in Alkane’s producing portfolio.”
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Competent Persons
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The information in this report that relates to the Björkdal, Tomingley and Costerfield Mineral Resource and Ore Reserve Statements and is based on the ‘Björkdal Resources and Reserves Statement FY26’, ‘Tomingley Resource and Reserve Statement FY26’ and ‘Costerfield Resources and Reserves Statement FY26’ all dated 11 September 2026. Those documents have been approved by Mr Chris Davis. Mr Davis is a Chartered Professional (Geology) of the Australasian Institute of Mining and Metallurgy (MAusIMM CP(Geo)), and a Member of the Australian Institute of Geoscientists (MAIG).
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Mr Davis 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 “Australian Code for Reporting of Exploration Results, Mineral Resources, and Ore Reserves” (JORC Code).
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For the purposes of National Instrument 43-101 – Standards of Disclosure for Mineral Projects (‘NI 43-101’), the scientific and technical information contained in this announcement relating to the Storheden Results has been prepared under the supervision of, and approved by, Mr Chris Davis, who is a “qualified person” as defined in NI 43-101. Mr Davis is employed by Alkane as Chief Geologist and, as an employee of Alkane, is not considered independent of Alkane within the meaning of NI 43-101.