HYDROCARBON DYNAMICS LIMITED — Board/Management Information 2026

Jan 28, 2026

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28 January 2026

Board Change

Hydrocarbon Dynamics Limited (ASX: HCD) announces that effective from 1 February 2026, Mr. Stephen Mitchell will swap board roles with Mr. Ray Shorrocks, with Mr Shorrocks becoming Chair of the Board of Directors and Mr. Mitchell a non-executive director.

Approved by the Board of Directors.

Yours sincerely,

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Julie Edwards Company Secretary

For further information please contact:

Stephen Mitchell Executive Chairman

Julie Edwards Company Secretary

Telephone: +61 3 9642 2899 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