ANTEOTECH LTD — Share Issue/Capital Change 2026

May 10, 2026

Appendix 3H - Notification of cessation of securities

Announcement Summary

Entity name
ANTEOTECH LTD

Announcement Type
New announcement

Date of this announcement
Monday May 11, 2026

Details of +securities that have ceased

ASX +security code	Security description	Number of +securities that have ceased	The +securities have ceased due to	Date of cessation
ADOAAB	OPTION EXPIRING 26-NOV-2027 EX $0.048	2,575,000	Expiry of option or other convertible security without exercise or conversion	09/05/2026
ADOAZ	OPTION EXPIRING 30-NOV-2026 EX $0.048	7,500,000	Expiry of option or other convertible security without exercise or conversion	09/05/2026

Refer to next page for full details of the announcement

Appendix 3H - Notification of cessation of securities

---

Appendix 3H - Notification of cessation of securities

Part 1 - Announcement Details

1.1 Name of +Entity
ANTEOTECH LTD
We (the entity named above) provide the following information about our issued capital.

1.2 Registered Number Type
Registration Number
ABN
75070028625

1.3 ASX issuer code
ADO

1.4 The announcement is
New announcement
1.5 Date of this announcement
11/5/2026

Appendix 3H - Notification of cessation of securities

---

Appendix 3H - Notification of cessation of securities

Part 2 - Details of +equity securities or +debt securities that have ceased

ASX +Security Code and Description
ADOAAB : OPTION EXPIRING 26-NOV-2027 EX $0.048

Unquoted +equity securities that have ceased
Number of securities that have ceased
2,575,000

Reason for cessation
Expiry of option or other convertible security without exercise or conversion

Date of cessation
9/5/2026
Is the entity paying any consideration for the cessation?
No

Any other information the entity wishes to notify to ASX about the cessation?

ASX +Security Code and Description
ADOAZ : OPTION EXPIRING 30-NOV-2026 EX $0.048

Unquoted +equity securities that have ceased
Number of securities that have ceased
7,500,000

Reason for cessation
Expiry of option or other convertible security without exercise or conversion

Date of cessation
9/5/2026
Is the entity paying any consideration for the cessation?
No

Any other information the entity wishes to notify to ASX about the cessation?

Appendix 3H - Notification of cessation of securities
3 / 4

---

Appendix 3H - Notification of cessation of securities

Part 3 - Issued capital following changes

Following the cessation of the +securities the subject of this notification, the issued capital of the entity will comprise:

The figures in parts 3.1 and 3.2 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.

3.1 Quoted +equity securities and +debt securities (total number of each +class of +securities quoted on ASX)

ASX +security code and description	Total number of +securities on issue
ADO : ORDINARY FULLY PAID	2,973,138,613
ADOO : OPTION EXPIRING 31-MAY-2026	286,628,688

3.2 Unquoted +equity securities (total number of each +class of +equity securities issued but not quoted on ASX)

ASX +security code and description	Total number of +securities on issue
ADOAAD : OPTION EXPIRING 19-AUG-2029 EX $0.0375	45,900,000
ADOAAE : OPTION EXPIRING 26-NOV-2028 EX $0.0375	12,500,000
ADOAAF : OPTION EXPIRING 31-JAN-2028 EX $0.035	138,206,230
ADOAAB : OPTION EXPIRING 26-NOV-2027 EX $0.048	6,900,000
ADOAZ : OPTION EXPIRING 30-NOV-2026 EX $0.048	10,500,000
ADOAAA : OPTION EXPIRING 14-NOV-2026 EX $0.064	5,000,000
ADOAY : OPTION EXPIRING 13-SEP-2026 EX $0.064	73,251,921

Note: the figures stated in the tables above are used to calculate the total market capitalisation of the entity published by ASX from time to time. The table will not include those classes of +securities that have ceased or lapsed in their entirety in ASX records before the announcement date described in Q1.5, even if the entity has advised ASX of a change to that class of +security in Part 2 of this form.

Appendix 3H - Notification of cessation of securities