HYDROCARBON DYNAMICS LIMITED — AGM Information 2025

May 1, 2025

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24 April 2025

Dear Shareholder,

Hydrocarbon Dynamics Limited (ASX:HCD) Annual General Meeting

The Board of Hydrocarbon Dynamics Limited ( Company ) will hold its Annual General Meeting (AGM) of Shareholders at 10am (Melbourne time) on Friday, 23 May 2025 conducted as a virtual meeting, accessible online.

Shareholders wishing to attend the AGM must register in advance for the virtual meeting here:

https://zoom.us/meeting/register/Xf5qCKrdQ_qqWr6UUw_f8w

Or to register for the AGM, go to www.zoom.us then select ‘join a meeting’ and enter the following meeting ID: 992 2855 4161

If you have nominated an email address and elected to receive electronic communications from the Company’s share registry, Automic Registry, you will receive an email with a link to an electronic copy of the Notice of Meeting.

Alternatively, the Notice will also be available on the Company’s ASX market announcements page.

The Company encourages shareholders to submit their votes in advance of the meeting as this will provide the Company with the best opportunity to prepare for the meeting. However, votes may also be submitted during the meeting. Proxy forms must be received by the Company’s share registry, Automic, by 10am (AEST) on 21 May 2025.

All resolutions at the Annual General Meeting will be decided based on a poll rather than by a show of hands. Shareholders are however strongly encouraged to lodge a directed Proxy Form prior to the meeting. Shareholders will not be able to physically attend the Annual General Meeting.

If you have any difficulty, please e-mail the Company Secretary: info@hydrocarbondynamics.com

If it becomes necessary or appropriate to make any changes to the Notice of Meeting the Company will make further information available through the ASX website at asx.com.au (ASX:HCD) and on its website.

Yours Sincerely,

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Julie Edwards Company Secretary

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