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	David Bottomley
Date of appointment	17 March 2020

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

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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. RYDER GP PTY LTD INNOVATION FUND LP A/C> Mr David Bottomley is director of Ryder GP Pty Ltd and beneficiary of Ryder Innovation Fund LP A/C DAHO PTY LTD Mr David Bottomley is director and shareholder of Daho Pty Ltd and beneficiary of THE DHB S/F A/C ELLIE 12 PTY LTD A/C> Mr David Bottomley is director and shareholder of Ellie 12 Pty Ltd SATYA 8 PTY LTD FUND A/C> Mr David Bottomley is director and shareholder of Satya 8 Pty Ltd	Number & class of Securities 5,582,920 Fully Paid Ordinary Shares (Shares) • 2,582,920 Shares; • 1,500,000 Shares voluntary escrowed until release of the Company’s financial results for the half year ended December 2025; and • 1,500,000 Shares voluntary escrowed until release of the Company’s financial results for the full year ended June 2026. 86,805 Fully Paid Ordinary Shares 76,473 Fully Paid Ordinary Shares (Shares) • 52,083 Shares; • 7,030 Shares escrowed for 24 months from quotation; • 8,680 Shares voluntary escrowed until release of the Company’s financial results for the half year ended December 2025; and • 8,680 Shares voluntary escrowed until release of the Company’s financial results for the full year ended June 2026. 45,256 Fully Paid Ordinary Shares (Shares) • 8,756 Shares escrowed until 6 December 2025; • 1,778 Shares escrowed until 20 June 2026 • 17,361 Shares voluntary escrowed until release of the Company’s financial results for the half year ended December 2025; and • 17,361 Shares voluntary escrowed until release of the Company’s financial results for the full year ended June 2026.

• See chapter 19 for defined terms.

Appendix 3X Page 2

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Appendix 3X Initial Director’s Interest Notice

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.

11/3/2002

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