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 MAYFIELD GROUP HOLDINGS LIMITED Date of this announcement Tuesday May 26, 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 SMEC 2026 Options 60,000 26/05/2026 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 / 6 Part 1 - Entity and announcement details 1.1 Name of entity MAYFIELD GROUP HOLDINGS 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 57010597672 1.3 ASX issuer code MYG 1.4 The announcement is 1.5 Date of this announcement 26/5/2026 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 / 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 SMEC 2026 Options +Security type Options ISIN code Date the +securities the subject of this notification were issued 26/5/2026 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? Have you received confirmation from ASX that the terms of the +securities are appropriate and equitable under listing rule 6.1? Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued. Options Details +Security currency AUD - Australian Dollar Exercise price AUD 2.07000000 Expiry date 10/4/2031 Details of the existing class of +security that will be issued upon exercise or conversion of this new class of company option MYG : ORDINARY FULLY PAID 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/20220322/pdf/4577msdmtn3gvr.pdf Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 60,000 No 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 MYG : ORDINARY FULLY PAID 116,199,882 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 MYGAR : OPTION EXPIRING 04-SEP-2029 EX $0.8693 240,000 MYGAA : OPTION EXPIRING 06-MAR-2028 EX $0.325 175,000 MYGAS : PARTLY PAID ORDINARY SHARES 1,565,895 MYGAT : OPTION EXPIRING 28-NOV-2030 EX $1.90 415,750 MYGAQ : OPTION EXPIRING 22-MAR-2027 EX $0.3506 30,000 New class - code to be confirmed : SMEC 2026 Options 60,000 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? 5.2b Are any of the +securities being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1? 5.2b.1 How many +securities are being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1? 60000 5.2c Are any of the +securities being issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A (if applicable)? No Yes No No