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 CASTLE MINERALS LIMITED Date of this announcement Wednesday December 17, 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 New class - code to be confirmed Performance Rights D expiring 16/12/2028 1,000,000 16/12/2025 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 / 6 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 17/12/2025 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: 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 / 6 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 D expiring 16/12/2028 +Security type Other ISIN code Date the +securities the subject of this notification were issued 16/12/2025 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? Provide details of the KMP or +associates being issued +securities. Name of KMP Name of registered holder Number of +securities Andrew Grove RockFrog Holdings Pty Ltd ATF RockFrog Trust No 1 1,000,000 Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. https://wcsecure.weblink.com.au/clients/castleminerals/headline.aspx?headlineid=61297159 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://wcsecure.weblink.com.au/clients/castleminerals/headline.aspx?headlineid=61297159 Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 1,000,000 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 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 CDT : ORDINARY FULLY PAID 173,395,535 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 CDTAG : PERFORMANCE RIGHTS 21,566,667 New class - code to be confirmed : Performance Rights D expiring 16/12/2028 1,000,000 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? 5.2 Has the entity obtained, or is it obtaining, +security holder approval for the issue under listing rule 7.1? 5.2a Date of meeting or proposed meeting to approve the issue under listing rule 7.1 27/11/2025 Yes No