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 / 8 Announcement Summary Entity name CASTLE MINERALS LIMITED Date of this announcement Tuesday October 28, 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 CDTAF OPTION EXPIRING 31-MAY-2028 EX $0.12 22,500,000 28/10/2025 New class - code to be confirmed Class A Performance Rights 6,250,000 28/10/2025 New class - code to be confirmed Class B Performance Rights 10,416,667 28/10/2025 Refer to next page for full details of the announcement +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and 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 / 8 Part 1 - Entity and announcement details 1.1 Name of entity CASTLE MINERALS 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 ABN Registration number 83116095802 1.3 ASX issuer code CDT 1.4 The announcement is 1.5 Date of this announcement 28/10/2025 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 / 8 Part 2 - Issue details 2.1 The +securities the subject of this notification are: Previous Appendix 3B details: Announcement Date and Time 21-Aug-2025 09:28 Announcement Title New - Proposed issue of securities - CDT Selected Appendix 3B to submit quotation request A placement or other type of issue 2.3a.2 Are there any further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B? 2.3a.3 Please provide details of the further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B 5,575,241 ordinary shares (Tranche 2 placement) 5,250,000 ordinary shares (Mineralis deferred consideration) 10,000,000 Options (Mineralis deferred consideration) 4,900,000 Performance Rights (Directors) Yes +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and 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 / 8 Part 3A - number and type of +securities the subject of this notification (existing class or new class) where issue has previously been notified to ASX in an Appendix 3B Placement Details ASX +security code and description CDTAF : OPTION EXPIRING 31-MAY-2028 EX $0.12 Date the +securities the subject of this notification were issued 28/10/2025 Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 22,500,000 Were the +securities issued for a cash consideration? Please describe the consideration being provided for the +securities Options issued to: a) brokers pursuant to the placement; and b) vendors as part consideration for the purchase of Mineralis Limited, as announced on 21 August 2025. ASX +security code and description new unquoted class of security Date the +securities the subject of this notification were issued 28/10/2025 Any other information the entity wishes to provide about the +securities the subject of this notification Class A Performance Rights (referred to as Performance Rights - Milestone A in Appendix 3B) No 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 / 8 Issue details Number of +securities 6,250,000 Were the +securities issued for a cash consideration? Please describe the consideration being provided for the +securities Part consideration for the purchase of Mineralis Limited, as announced on 21 August 2025 and 1 September 2025. ASX +security code and description new unquoted class of security Date the +securities the subject of this notification were issued 28/10/2025 Any other information the entity wishes to provide about the +securities the subject of this notification Class B Performance Rights (referred to as Performance Rights - Milestone B in Appendix 3B) Issue details Number of +securities 10,416,667 Were the +securities issued for a cash consideration? Please describe the consideration being provided for the +securities Part consideration for the purchase of Mineralis Limited, as announced on 21 August 2025 and 1 September 2025. No No No 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 / 8 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 Class A Performance Rights +Security type Other ISIN code Date the +securities the subject of this notification were issued 28/10/2025 Will all the +securities issued in this class rank equally in all respects from their issue date? Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. https://www.castleminerals.com/announcements.php Refer to the Notice of Extraordinary General Meeting/Proxy Form on 15 September 2025. Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 6,250,000 ASX +security code New class - code to be confirmed +Security description Class B Performance Rights +Security type Other ISIN code Date the +securities the subject of this notification were issued 28/10/2025 Will all the +securities issued in this class rank equally in all respects from their issue date? Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. https://www.castleminerals.com/announcements.php Refer to the Notice of Extraordinary General Meeting/Proxy Form on 15 September 2025. Any other information the entity wishes to provide about the +securities the subject of this notification Yes 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 7 / 8 Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 10,416,667 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 / 8 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 CDT : ORDINARY FULLY PAID 144,609,570 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 CDTAE : OPTION EXPIRING 22-DEC-2026 EX $0.15 12,699,985 CDTAF : OPTION EXPIRING 31-MAY-2028 EX $0.12 97,277,257 CDTAN : OPTION EXPIRING 31-OCT-2026 EX $0.54 1,299,997 CDTAO : OPTION EXPIRING 20-JUL-2026 EX $0.225 NON TFR 1,948,033 CDTAD : OPTION EXPIRING 20-JUL-2026 EX $0.225 3,481,471 New class - code to be confirmed : Class A Performance Rights 6,250,000 New class - code to be confirmed : Class B Performance Rights 10,416,667