MICROBA LIFE SCIENCES LIMITED — Director's Dealing 2025

Nov 19, 2025

Appendix 3Z Final Director's Interest Notice

Rule 3.19A.3

Appendix 3Z

Final 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 becomes ASX's property and may be made public.

Introduced 30/9/2001.

Name of entity	Microba Life Sciences Limited
ABN	82 617 096 652

We (the entity) give ASX the following information under listing rule 3.19.A.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	RICHARD BUND
Date of last notice	17 September 2025
Date that director ceased to bedirector	19 November 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

Nil

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

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.

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 circumstancesgiving rise to the relevant interest.SA MICROBA HOLDINGS PTY LTD(Sole Director & a shareholder of SAMicroba Holdings Pty Ltd)	Number & class of Securities30,961,049 - ORDINARY FULLY PAID SHARES

Part 3 - Director's interests in contracts

Detail of contract	Nil
Nature of interest	Nil

• See chapter 19 for defined terms.

11/03/2002

Appendix 3Z Page 1

Appendix 3Z Final Director's Interest Notice

Name of registered holder (ifissued securities)	Nil
No. and class of securities towhich interest relates	Nil

• See chapter 19 for defined terms.

Appendix 3Z Page 2

11/03/2002