ALTAMIN LIMITED — Director's Dealing 2025

Aug 28, 2025

Appendix 3X Initial Director’s Interest Notice

Rule 3.19A.1

Appendix 3X

Initial Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/9/2001.

Name of entity Altamin Limited ABN 63 078 510 988

We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Geraint William Harris
Date of appointment	21 August 2025

Part 1 - Director’s relevant interests in securities of which the director is the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Number & class of securities

1,500,000 unlisted option exercise price of $0.09 each expiring 30 Nov 2028 (AZIAS)

1,500,000 unlisted option exercise price of $0.12 each expiring 30 Nov 2028 (AZIAT)

1,500,000 unlisted option exercise price of $0.15 each expiring 30 Nov 2028 (AZIAU)

• See chapter 19 for defined terms.

11/3/2002

Appendix 3X Page 1

Appendix 3X Initial Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

	Name of holder & nature ofinterestNote: Provide details of the circumstances giving riseto the relevant interest.HSBC Custody Nominees(Australia) Ltd	Number & class of Securities13,736,549 fully paid ordinary shares

Part 3 – Director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract Nature of interest Name of registered holder (if issued securities) No. and class of securities to which interest relates

29 Aug 2025

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002