HYDROCARBON DYNAMICS LIMITED — Director's Dealing 2022

Mar 24, 2022

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 Hydrocarbon Dynamics Limited ABN 75 117 387 354

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 Mitchell
Date of last notice	24 November 2020
Date of this notice	25 March 2022

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 Direct & IndirectNature of indirect interest Malangi Pty Ltd (previously named Mawallok) –(including registered holder) Mr Mitchell is a director of the CompanyNote: Provide details of the circumstances giving rise to the relevantinterest.Date of change 23 November 2020No. of securities held prior to change 7,200,002 fully paid ordinary sharesStephen Mitchell and Serena Mitchell <SPMitchell Super Fund A/C>600,000 Unlisted options exercisable @ $0.03,expiring 31 October 2022Indirect37,580,497 fully paid ordinary sharesMalangi Pty Ltd3,131,708 Unlisted options exercisable @ $0.03,expiring 31 October 2022Malangi Pty LtdClass Fully paid ordinary Shares----- End of picture text -----

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

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----- Start of picture text ----- Number acquired Direct2,400,001 Fully paid ordinary sharesIndirect12,526,833 Fully paid ordinary sharesNumber disposed NilValue/Consideration $164,195Note: If consideration is non-cash, provide details and valuationNo. of securities held after change Direct9,600,003 fully paid ordinary sharesStephen Mitchell and Serena Mitchell <SPMitchell Super Fund A/C>600,000 Unlisted options exercisable @ $0.03,expiring 31 October 2022Indirect50,107,330 fully paid ordinary sharesMalangi Pty Ltd3,131,708 Unlisted options exercisable @ $0.03,expiring 31 October 2022Malangi Pty LtdNature of change Rights IssueExample: on-market trade, off-market trade, exercise of options,issue 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.

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----- Start of picture text ----- Detail of contract N/ANature of interest N/AName of registered holder N/A(if issued securities)Date of change N/ANo. 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/A----- End of picture text -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Interest disposed	N/A
Value/ConsiderationNote: If consideration is non-cash, provide detailsand an estimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	No
If so, was prior written clearance provided to allow the tradeto proceed during this period?	N/A
If prior written clearance was provided, on what date was thisprovided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3

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 Hydrocarbon Dynamics Limited ABN 75 117 387 354

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	Ray Shorrocks
Date of last notice	24 November 2020
Date of this notice	25 March 2022

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 Spring Street Holdings Pty Ltd – Mr Ray(including registered holder) Shorrocks is a director of the CompanyNote: Provide details of the circumstances giving rise to the relevant interest. Margot Shorrocks – related personHamish Shorrocks – related personSam Shorrocks – related personStephanie Tetu – related personDate of change 18 March 2022-No. of securities held prior to change 6,349,230 fully paid ordinary shares-514,103 Unlisted options exercisable @$0.03, expiring 31 October 2022Class Ordinary SharesNumber acquired 2,056,410 – Rights issue acceptanceNumber disposed N/A----- End of picture text -----

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Value/ConsiderationNote: If consideration is non-cash, provide details and valuation	$22,621
No. of securities held after change	- 8,405,640 fully paid ordinary shares- 514,103 Unlisted options exercisable @$0.03, expiring 31 October 2022
Nature of changeExample: on-market trade, off-market trade, exercise of options,issue of securities under dividend reinvestment plan, participation inbuy-back	Rights Issue

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.

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----- Start of picture text ----- Detail of contract N/ANature of interest N/AName of registered holder N/A(if issued securities)Date of change N/ANo. 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 trade N/A to proceed during this period? If prior written clearance was provided, on what date was this N/A provided?

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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 Hydrocarbon Dynamics Limited ABN 75 117 387 354

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	Andrew Seaton
Date of last notice	8 January 2021
Date of this notice	25 March 2022

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 DirectNature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to therelevant interest.Date of change 18 March 2022No. of securities held prior to change Mr A Seaton and Mrs K Seaton ATF SeatonSuper Fund-3,204,504 fully paid ordinary shares-267,042 Unlisted options exercisable @$0.03, expiring 31 October 2022Mr A Seaton and Mrs K Seaton ATF SeatonFamily Trust-1,484,456 fully paid ordinary shares-88,549 Unlisted options exercisable @$0.03, expiring 31 October 2022Class Fully paid ordinary SharesNumber acquired 1,562,987 fully paid ordinary shares----- End of picture text -----

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

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----- Start of picture text ----- Number disposed N/AValue/Consideration $17,192.85Note: If consideration is non-cash, provide details and valuationNo. of securities held after change Mr A Seaton and Mrs K Seaton ATF SeatonSuper Fund-4,272,672 fully paid ordinary shares-267,042 Unlisted options exercisable @$0.03, expiring 31 October 2022Mr A Seaton and Mrs K Seaton ATF SeatonFamily Trust-1,979,275 fully paid ordinary shares-88,549 Unlisted options exercisable@ $0.03, expiring 31 October 2022Nature of change Rights issueExample: on-market trade, off-market trade, exercise of options,issue of securities under dividend reinvestment plan, participationin buy-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.

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----- Start of picture text ----- Detail of contract N/ANature of interest N/AName of registered holder N/A(if issued securities)Date of change N/ANo. 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 -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	No
If so, was prior written clearance provided to allow the tradeto proceed during this period?	N/A
If prior written clearance was provided, on what date was thisprovided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3