Announcement PDF 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Kalgoorlie Gold Mining Limited ACN/ARSN 645 666 164 1. Details of substantial holder (1) Name Alianda Oaks Pty Ltd & Resource Surveys P/L ACN/ARSN (if applicable) 077 081 451 There was a change in the interests of the substantial holder on 24/09/2025 The previous notice was given to the company on 07/04/2025 The previous notice was dated 07/04/2025 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) ORD 22,154,773 5.83% 32,597,705 8.14% 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 REFER APPENDIX 1 4. Present relevant interests Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows: Holder of relevant interest Registered holder of securities Person entitled to be registered as holder (8) Nature of relevant interest (6) Class and number of securities Person's votes REFER APPENDIX 1 APPENDIX 1 – FORM 604 – Notice of change of interests of substantial shareholder 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 Consideration given in relation to change Class and number of securities affected Person’s votes affected Opening Balance 22,154,773 Correction Alianda Oaks Pty Ltd Error in opening balance ORD (1,153,846) (1,153,846) Correction Resource Surveys P/L <Resource Surveys S/F A/C> Error in opening balance ORD 100,000 100,000 16-April-2025 Alianda Oaks Pty Ltd<Resource Surveys Invest A/C> On Market $0.077 ORD 292,932 292,932 17-April-2025 Alianda Oaks Pty Ltd <Resource Surveys Invest A/C> On Market $0.056 ORD 200,000 200,000 05-May-2025 Alianda Oaks Pty Ltd On Market $0.043 ORD 350,000 350,000 06-May-2025 Alianda Oaks Pty Ltd<Resource Surveys Invest A/C> On Market $0.047 ORD 500,000 500,000 24-Sept-2025 Alianda Oaks Pty Ltd <Resource Surveys Invest A/C> Option exercised $0.032 ORD 1,153,846 1,153,846 24-Sept-2025 Resource Surveys P/L<Resource Surveys S/F A/C> Option exercised $0.032 ORD 4,000,000 4,000,000 29-Sept-2025 Alianda Oaks Pty Ltd On Market $0.042 ORD 5,000,000 5,000,000 Closing Balance 32,597,705 4. Present relevant interests Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows: Holder of Relevant Interest Registered holder of securities Person entitled to be registered as holder Nature of relevant interest Class and number of securities Persons votes Alianda Oaks Pty Ltd Alianda Oaks Pty Ltd Alianda Oaks Pty Ltd Relevant interest under section 608(1) of the Corporations Act 2001 (Cth) (Corporations Act) as a result of being the registered holder of 5,000,000 shares ORD 5,000,000 5,000,000 Alianda Oaks Pty Ltd <Resource Surveys Invest A/C> Alianda Oaks Pty Ltd <Resource Surveys Invest A/C> Alianda Oaks Pty Ltd <Resource Surveys Invest A/C> Relevant interest under section 608(1) of the Corporations Act as a result of being the registered holder of 19,497,705 shares ORD 19,497,705 19,497,705 Resource Surveys P/L <Resource Surveys S/F A/C>, Resource Surveys P/L <Resource Surveys S/F A/C>, Resource Surveys P/L <Resource Surveys S/F A/C>, Relevant interest under section 608(1) of the Corporations Act as a result of being the registered holder of 4,100,000 shares ORD 4,100,000 4,100,000 Resource Surveys P/L <Superannuation Fund A/C> Resource Surveys P/L <Superannuation Fund A/C> Resource Surveys P/L <Superannuation Fund A/C> Relevant interest under section 608(1) of the Corporations Act as a result of being the registered holder of 4,000,000 shares ORD 4,000,000 4,000,000 32,597,705