HYDROCARBON DYNAMICS LIMITED — Capital/Financing Update 2024

Feb 6, 2024

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7 February 2024

Share Purchase Plan

Hydrocarbon Dynamics Limited’s ( ASX: HCD) (“ HCD ” or “ the Company ”) recently closed Share Purchase Plan (“SPP”) received subscriptions for $175,124 being 38,916,451 New Shares. The SPP follows the recent private placement that raised $540,000.

The allotment and issue of the New Shares under the SPP will occur on Monday, 12 February 2024. It is anticipated that normal trading of the New Shares will commence on Tuesday, 13 February 2024.

The Board of Directors wishes to thank shareholders for their support.

Approved for release by the board of directors.

For further information please contact:

Stephen Mitchell Chairman

Julie Edwards

Company Secretary

Telephone: +61 3 9642 2899 Website: www.hcdinvestor.com ASX code: HCD

ABN: 75 117 387 354 Tel: +61 3 9642 2899 | Fax: +61 3 9642 5177 Level 6, 412 Collins Street, Melbourne VIC 3000 Australia