Announcement PDF Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 1 / 6 Announcement Summary Entity name METALLIUM LIMITED Date of this announcement Wednesday October 15, 2025 The +securities the subject of this notification are: Total number of +securities to be issued/transferred ASX +security code Security description Total number of +securities to be issued/transferred Issue date MTMAZ OPTION EXPIRING 29-NOV-2027 EX $0.18 595,000 14/10/2025 Refer to next page for full details of the announcement Other Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 2 / 6 Part 1 - Entity and announcement details 1.1 Name of entity METALLIUM LIMITED We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities. 1.2 Registered number type ACN Registration number 645885463 1.3 ASX issuer code MTM 1.4 The announcement is 1.5 Date of this announcement 15/10/2025 New announcement Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 3 / 6 Part 2 - Issue details 2.1 The +securities the subject of this notification are: Please specify Issue of Piggyback Options from the early exercise of Lead Manager Options (ASX: MTMAT) 2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which: has an existing ASX security code ("existing class") Other Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 4 / 6 Part 3B - number and type of +securities the subject of this notification (existing class) where issue has not previously been notified to ASX in an Appendix 3B Additional +securities in an existing class ASX +security code and description MTMAZ : OPTION EXPIRING 29-NOV-2027 EX $0.18 Date the +securities the subject of this notification were issued 14/10/2025 Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class Any other information the entity wishes to provide about the +securities the subject of this notification Lead Manager Options (MTMAT) were issued in relation to a Placement that was announced 16 October 2024. The Lead Manager Options had a condition that if they were exercised within one year of being issued, a new Piggyback Option (MTMAZ) would be created and issued. For every two (2) MTMAT options exercised, one (1) new MTMAZ option would be issued. Please provide any further information needed to understand the circumstances in which you are notifying the issue of these +securities to ASX, including why the issue of the +securities has not been previously announced to the market in an Appendix 3B At the time of lodging the Appendix 3B for the Lead Manager Options (MTMAT) they were out of the money and there was no certainty that these options would be exercised within one year (the qualifying period for Piggyback Options). Total Lead Manager Options (MTMAT) issued 29-Nov-24: 20,000,000 Potential Piggyback Options (MTMAZ) if all Lead Manager Options are exercised within 12 months: 10,000,000 Piggyback Options issued to date (including this tranche): 8,432,356 Issue details Number of +securities 595,000 Were the +securities issued for a cash consideration? Please describe the consideration being provided for the +securities Lead Manager Services for Placement announced 16 October 2024 Purpose of the issue To pay for services rendered Additional Details Lead Manager Services No Yes Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 5 / 6 Part 4 - +Securities on issue Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities of the entity will comprise: The figures in parts 4.1 and 4.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing. 4.1 Quoted +securities (Total number of each +class of +securities issued and quoted on ASX) ASX +security code and description Total number of +securities on issue MTM : ORDINARY FULLY PAID 615,400,905 4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX) ASX +security code and description Total number of +securities on issue MTMAX : OPTION EXPIRING 25-MAR-2027 EX $0.25 23,000,000 MTMAW : OPTION EXPIRING 06-JAN-2029 EX $0.25 1,290,001 MTMAR : OPTION EXPIRING 07-AUG-2029 EX $0.20 15,250,000 MTMAU : OPTION EXPIRING 30-NOV-2026 EX $0.12 3,000,000 MTMAV : OPTION EXPIRING 30-NOV-2027 EX $0.18 3,000,000 MTMAZ : OPTION EXPIRING 29-NOV-2027 EX $0.18 3,657,500 MTMAT : OPTION EXPIRING 29-NOV-2026 EX $0.12 3,635,289 MTMAP : PERFORMANCE RIGHTS 26,000,000 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 6 / 6 Part 5 - Other Listing Rule requirements 5.1 Were the +securities issued under an exception in Listing Rule 7.2 and therefore the issue did not need any security holder approval under Listing Rule 7.1? 5.1a Select the number of the applicable exception in Listing Rule 7.2 9 Yes