TETRATHERIX LIMITED — Director's Dealing 2025

Jul 2, 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 Tetratherix Limited ABN 72 607 771 077

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	Ali Fathi
Date of appointment	20 August 2015

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

Nil

• 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 of interest Note: Provide details of the circumstances giving rise to the relevant interest. AFTIBIO NOMINEES PTY LIMITED Dr Ali Fathi is a beneficiary of the trust.	Number & class of Securities 14,097,000 Fully Paid Ordinary Shares (Shares) • 14,096,230 Shares escrowed 24M from quotation; • 385 Shares voluntary escrowed until release of the Company’s financial results for the half year ended December 2025; and • 385 Shares voluntary escrowed until release of the Company’s financial results for the fullyear ended June 2026.

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	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
No. and class of securities to which interest relates	N/A

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002