NEXTDC LIMITED — 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	NEXTDC Limited
ABN	35 143 582 521

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	Mrs Maria Leftakis
Date of last notice	26 February 2025

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	Direct and Indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	• Mrs Maria Leftakis
• The Leftakis Super Fund of which Mrs Leftakis is a beneficiary
Date of change	18 May 2026
No. of securities held prior to change	• 26,617 fully paid Ordinary Shares held by Mrs Leftakis
• 37,923 fully paid Ordinary Shares held by The Leftakis Super Fund
Class	Ordinary Shares (acquired pursuant to the Entitlement Offer announced by NEXTDC Limited on 20 April 2026).
Number acquired	• 4,930 shares acquired by Mrs Leftakis
• 7,023 shares acquired by The Leftakis Super Fund
Number disposed	N/A
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	$12.70 per share paid by Mrs Leftakis
$12.70 per share paid by the Leftakis Super Fund

• 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

| No. of securities held after change | • 31,547 fully paid Ordinary Shares held by Mrs Leftakis
• 44,946 fully paid Ordinary Shares held by The Leftakis Super Fund |
| --- | --- |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | Ordinary Shares acquired pursuant to the Entitlement Offer announced by NEXTDC Limited on 20 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

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

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011