COSOL LIMITED — Director's Dealing 2026

Mar 2, 2026

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of 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 30/09/01 Amended 01/01/11

Name	of	entityCOSOL Limited
ABN		66 635 371 363

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

We (the entity) give ASX the followingthe director for the purposes of section	information under listing rule 3.19A.2 and as agent for205G of the Corporations Act.
Name of Director	Stephen Johnston
Date of this notice	3 March 2026
Date of last notice	5 October 2023

Part 1 - Change of director’s relevant interests in securities

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.

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----- Start of picture text ----- Direct or indirect interest IndirectNature of indirect interest(including registered holder) JRF Co Pty Ltd <Johnston Retire FundNote: Provide details of the circumstances A/C>giving rise to the relevant interest.Mr Johnston is a director and shareholderof the trustee company.Johnston Co Pty Ltd <Johnston FamilyA/C>Mr Johnston is a director and shareholderof the trustee company.Date of change 27 February 2026----- End of picture text -----

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

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----- Start of picture text ----- No. of securities held prior to change JRF Co Pty Ltd <Johnston Retire FundA/C>23,953,595 Ordinary SharesJohnstone Co Pty Ltd <Johnston FamilyA/C>950,000 Ordinary SharesClass Ordinary fully paid sharesNumber acquired 500,000Number disposed NilValue/ConsiderationNote: If consideration is non-cash, provide details and estimatedvaluation $149,999.20No. of securities held after change JRF Co Pty Ltd <Johnston Retire FundA/C>24,453,595 Ordinary SharesJohnston Co Pty Ltd <Johnston FamilyA/C>950,000 Ordinary SharesNature of change On market purchase following release ofExample: on-market trade, off-market trade, exercise of options, resultsissue of securities under dividend reinvestment plan, participation inbuy-back----- End of picture text -----

Part 2 – Change of 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
Date of change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

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----- Start of picture text ----- No. and class of securities to which N/Ainterest related prior to changeNote: Details are only required for a contract inrelation to which the interest has changedInterest acquired N/AInterest disposed N/AValue/Consideration N/ANote: If consideration is non-cash, provide detailsand an estimated valuationInterest after change N/A----- End of picture text -----

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailed No above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow the N/A trade to proceed during this period? If prior written clearance was provided, on what date was N/A this provided?

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3