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 / 10 Announcement Summary Entity name METALLIUM LIMITED Date of this announcement Tuesday October 13, 2026 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 New class - code to be confirmed Performance Rights Class A (VWAP $1.00) exp 13/10/2031 500,000 13/10/2026 New class - code to be confirmed Performance Rights Class B (VWAP $1.25) exp 13/10/2031 750,000 13/10/2026 New class - code to be confirmed Performance Rights Class C (VWAP $1.50) exp 13/10/2031 1,250,000 13/10/2026 Refer to next page for full details of the announcement +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX 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 / 10 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 13/10/2026 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 / 10 Part 2 - Issue details 2.1 The +securities the subject of this notification are: 2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which: does not have an existing ASX security code ("new class") +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX 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 / 10 Part 3C - number and type of +securities the subject of this notification (new class) ASX +security code New class - code to be confirmed +Security description Performance Rights Class A (VWAP $1.00) exp 13/10/2031 +Security type Other ISIN code Date the +securities the subject of this notification were issued 13/10/2026 Will all the +securities issued in this class rank equally in all respects from their issue date? Were any of the +securities issued to +key management personnel (KMP) or an +associate? Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms https://announcements.asx.com.au/asxpdf/20251030/pdf/06r9cs9xdmv3th.pdf Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 500,000 ASX +security code New class - code to be confirmed +Security description Performance Rights Class B (VWAP $1.25) exp 13/10/2031 +Security type Other ISIN code Date the +securities the subject of this notification were issued 13/10/2026 Will all the +securities issued in this class rank equally in all respects from their issue date? Were any of the +securities issued to +key management personnel (KMP) or an +associate? No Yes 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 / 10 Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms https://announcements.asx.com.au/asxpdf/20251030/pdf/06r9cs9xdmv3th.pdf Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 750,000 ASX +security code New class - code to be confirmed +Security description Performance Rights Class C (VWAP $1.50) exp 13/10/2031 +Security type Other ISIN code Date the +securities the subject of this notification were issued 13/10/2026 Will all the +securities issued in this class rank equally in all respects from their issue date? Were any of the +securities issued to +key management personnel (KMP) or an +associate? Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms https://announcements.asx.com.au/asxpdf/20251030/pdf/06r9cs9xdmv3th.pdf Any other information the entity wishes to provide about the +securities the subject of this notification 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 6 / 10 Issue details Number of +securities 1,250,000 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 7 / 10 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 8 / 10 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 755,292,269 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 22,000,000 MTMAW : OPTION EXPIRING 06-JAN-2029 EX $0.25 1,290,001 MTMAA : FY26 STI RIGHTS 716,981 MTMAB : FY26 LTI RIGHTS 920,401 MTMAC : RETENTION RIGHTS 2,000,000 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 2,175,144 MTMAAB : OPTION EXPIRING 28-NOV-2028 EX $1.62 800,000 MTMAAC : OPTION EXPIRING 28-NOV-2029 EX $1.62 2,000,000 MTMAT : OPTION EXPIRING 29-NOV-2026 EX $0.12 1 MTMAP : PERFORMANCE RIGHTS 3,641,663 New class - code to be confirmed : Performance Rights Class A (VWAP $1.00) exp 13/10/2031 500,000 New class - code to be confirmed : Performance Rights Class B (VWAP $1.25) exp 13/10/2031 750,000 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 9 / 10 New class - code to be confirmed : Performance Rights Class C (VWAP $1.50) exp 13/10/2031 1,250,000 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 10 / 10 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 13 Yes