GREAT DIVIDE MINING LTD — Capital/Financing Update 2025

Jun 16, 2025

ASX Release 17 June 2025

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GDM Completes Farm-Out of Coonambula Antimony-Gold Project

Highlights

• GDM has completed the definitive agreement with Dart Mining NL (ASX:DTM) to farm-out GDM’s Coonambula Project including the historic Banshee Antimony Mine.

• DTM completed Due Diligence and received Shareholder Approval, completing the Conditions Precedent in the binding Term Sheet

• DTM will initially take a 15% holding in the 6 exploration tenements (5 granted and one in application) by paying to GDM $250,000 in cash within 5 business days, extending to 51% by DTM conducting a minimum of 4,000m of drilling and preparing 2 geological and resource reports over a 2-year period.

• DTM has been appointed Manager to operate the Coonambula JV.

• DTM will manage the recently announced CEI Round 9 grant from the Queensland Government for an IP ground-geophysics program at the historic Banshee Mine area.

• This agreement confirms GDM’s material advancement, consistent with the Company’s strategic plan, to progress from “explorer” to “explorer-miner-producer”.

Chief Executive Offer, Justin Haines, commented:

“ GDM was formed to rapidly evolve into a cash-flow mining business, deriving revenues whilst conserving shareholder capital. Finalising this agreement secures for GDM a partner to advance exploration at Coonambula’ s advanced antimony and gold prospects, with significant on-ground work including 4,000m of drilling. This enables GDM to further focus on project development, operation, and near-term cash-flow .”

For further information on the Coonambula Project and the DTM farm-out, please see GDM’s ASX announcement “GDM to Farm-out Coonambula Antimony-Gold Project” of 12 March 2025.

ASX release authorised by the Board of Great Divide Mining Ltd.

For further information:

Justin Haines

Chief Executive Officer e: justin.haines@greatdividemining.com.au

Great Divide Mining Ltd ACN 655 868 803

GPO Box 154 Brisbane QLD 4001 greatdividemining.com.au

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About Great Divide Mining Ltd (ASX: GDM)

Great Divide Mining is a Gold, Antimony and critical metals miner, explorer and developer with five projects across 17 tenements (including two in application). GDM’s focus is on operating producing assets within areas of historical mining and past exploration with nearby infrastructure, thus enabling rapid development. Through a staged exploration and development programme, GDM intends to generate cash flow from its initial projects to support further exploration across its portfolio of highly prospective tenements.

Forward-Looking Statements

This announcement may contain forward-looking information about the Company and its operations. In certain cases, forward-looking information may be identified by such terms as "anticipates", "believes", “should”, "could", "estimates", “target”, “likely”, “plan”, "expects", "may", “intend”, "shall", "will", or "would". These statements are based on information currently available to the Company and the Company provides no assurance that actual results will meet management's expectations. Forward-looking statements are subject to risk factors associated with the Company’s business, many of which are beyond the control of the Company. It is believed that the expectations reflected in these statements are reasonable, but they may be affected by a variety of variables and changes in underlying assumptions which could cause actual results or trends to differ materially from those expressed or implied in such statements. There can be no assurance that actual outcomes will not differ materially from these statements.

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