HYTERRA LTD — Director's Dealing 2026

May 20, 2026

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	HyTerra Ltd
ABN	68 116 829 675

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	Mr Benjamin Mee
Date of last notice	1 May 2026

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 relevant interest.	Mee Family Holdings Pty Ltd (of which Mr Mee is a beneficiary)
Date of change	20 May 2026
No. of securities held prior to change	Mee Family Holdings Pty Ltd
• 19,193,081 Fully paid ordinary shares
• 5,000,000 “Class D” Zero Exercise Price Options, expiring 31 October 2026.
• 5,000,000 “Class E” Zero Exercise Price Options, expiring 31 October 2026.
• 600,000 Unlisted Options exercisable at $0.04 on or before 30 November 2027.
Class	Fully paid ordinary shares
Number acquired	1,257,928 Fully paid ordinary shares

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Number disposed	Nil
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	$17,611
No. of securities held after change	Mee Family Holdings Pty Ltd
• 20,451,009 Fully paid ordinary shares
• 5,000,000 “Class D” Zero Exercise Price Options, expiring 31 October 2026.
• 5,000,000 “Class E” Zero Exercise Price Options, expiring 31 October 2026.
• 600,000 Unlisted Options exercisable at $0.04 on or before 30 November 2027.
Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Mr Mee’s participation in the Entitlements Offer as per the Prospectus released on 23 April 2026.

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	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change
Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration
Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

Part 3 – +Closed period

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

Date of notice: 21 May 2026

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3