Announcement PDF 604 page 1/2 15 July 2001 APAC-#311955687-v1 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Hillgrove Resources Limited (HGO) ACN/ARSN 004 297 116 1. Details of substantial holder (1) Name Freepoint Metals & Concentrates LLC and its associates referred to in Annexure A (Freepoint Group) and Trident FP Holdings LLC and Trident V Parallel Fund, L.P. and Trident V, L.P. and their associates referred to in Annexure B (Trident Group) ACN/ARSN (if applicable) N/A There was a change in the interests of the substantial holder on 08/10/2025 The previous notice was given to the company on 16/05/2025 The previous notice was dated 15/05/2025 2. Previous and present voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows: Class of securities (4) Previous notice Present notice Person’s votes Voting power (5) Person’s votes Voting power (5) Ordinary shares 492,429,452 18.86% 492,429,452 15.07% 3. Changes in relevant interests Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows: Date of change Person whose relevant interest changed Nature of change (6) Consideration given in relation to change (7) Class and number of securities affected Person’s votes affected 30/07/2025 The persons listed as the substantial holder above Reduction in voting power as a result of the dilution impact of the issue of 3,260,904 ordinary shares to HGO eligible employees pursuant to HGO’s Exempt Employee Share Plan as announced by HGO on 31 July 2025. Nil 492,429,452 ordinary shares 492,429,452 08/10/2025 The persons listed as the substantial holder above Reduction in voting power as a result of the dilution impact of the issue of 653,523,034 ordinary shares pursuant to share placement by HGO to institutional and sophisticated investors under Tranche 1 Placement as announced by HGO on 30 September 2025. Nil 492,429,452 ordinary shares 492,429,452