COSOL LIMITED — Director's Dealing 2023

May 28, 2023

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 entity COSOL 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.

Name of Director	Ben Buckley
Date of last noticeDate of this notice	26 November 201129 May2023

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.

Direct or indirect interest	Indirect
Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.	Buckley Advisory Group Pty Ltd, an entity in which MrBuckley is a director and shareholder
Date of change	23 May 2023
No. of securities held prior to change	300,000 Ordinary fully paid shares1,200,000 options exercisable at $0.415 on or before15 October 20231,500,000 options exercisable at $0.90 on or before 29September 20231,500,000 options exercisable at $1.00 on or before 29September 2024
Number acquired	Nil
Number disposed	65,000 Ordinary fully paid shares
Value/ConsiderationNote: If consideration is non-cash, provide details and estimated valuation	$50,060.95

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

No. of securities held after changeNature of changeExample: on-market trade, off-market trade, exercise of options, issue ofsecurities under dividend reinvestment plan, participation in buy-back	235,000 Ordinary fully paid shares1,200,000 options exercisable at $0.415 on or before15 October 20231,500,000 options exercisable at $0.90 on or before 29September 20231,500,000 options exercisable at $1.00 on or before 29September 2024
	On-market sale of shares to fund Mr Buckley’s taxobligations in relation COSOL options issued under theCOSOL Incentive Plan

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	Detail of contract	N/A	N/A	N/A	N/A
	Nature of interest
			N/A
	Name of registered holder(if issued securities)**Date of change **		N/A
			N/A
	No. and class of securitiesinterest related	to whichprior to	N/A
	changeNote: Details are only required for a contract in relationto which the interest has changedInterest acquiredInterest disposedValue/ConsiderationNote: If consideration is non-cash, provide details and anestimated valuation**Interest after change **
			N/A
			N/A
			N/A
			N/A

Part 3 –[+] Closed period

art 3 –+Closedperiod
Were the interests in the securities or contracts detailed above	No
traded during a+closed period where prior written
clearance was required?
If so, was prior written clearance provided to allow the trade to	N/A
proceed during this period?
If prior written clearance was provided, on what date was this	N/A
provided?

• See chapter 19 for defined terms.

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Appendix 3Y Page 2