ETHERSTACK PLC — Share Issue/Capital Change 2026

May 10, 2026

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Announcement Summary

Entity name
ETHERSTACK PLC

Date of this announcement
Monday May 11, 2026

The +securities the subject of this notification are:
+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX
Total number of +securities to be issued/transferred

ASX +security code	Security description	Total number of +securities to be issued/transferred	Issue date
ESKAC	PERFORMANCE RIGHTS	22,000	11/05/2026

Refer to next page for full details of the announcement

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Part 1 - Entity and announcement details

1.1 Name of entity
ETHERSTACK PLC
We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities.

1.2 Registered number type
Registration number
ARBN
156640532

1.3 ASX issuer code
ESK

1.4 The announcement is
New announcement

1.5 Date of this announcement
11/5/2026

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Part 2 - Issue details

2.1 The +securities the subject of this notification are:
+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX

2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which:
has an existing ASX security code ("existing class")

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities
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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Part 3B - number and type of +securities the subject of this notification (existing class) where issue has not previously been notified to ASX in an Appendix 3B

ASX +security code and description
ESKAC : PERFORMANCE RIGHTS

Date the +securities the subject of this notification were issued
11/5/2026

Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class
Yes

Were any of the +securities issued to +key management personnel (KMP) or an +associate?
No

Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms
https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-02371624-2A1296456?access_token=8

Any other information the entity wishes to provide about the +securities the subject of this notification

Issue details

Number of +securities
22,000

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Part 4 - +Securities on issue

Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities of the entity will comprise:

The figures in parts 4.1 and 4.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.

4.1 Quoted +securities (Total number of each +class of +securities issued and quoted on ASX)

ASX +security code and description	Total number of +securities on issue
ESK : CHESS DEPOSITARY INTERESTS 1:1	141,569,695

4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)

ASX +security code and description	Total number of +securities on issue
ESKAA : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES	8,000,000
ESKAC : PERFORMANCE RIGHTS	741,300

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Part 5 - Other Listing Rule requirements

5.1 Were the +securities issued under an exception in Listing Rule 7.2 and therefore the issue did not need any security holder approval under Listing Rule 7.1?
No

5.2 Has the entity obtained, or is it obtaining, +security holder approval for the issue under listing rule 7.1?
No

5.2b Are any of the +securities being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1?
Yes

5.2b.1 How many +securities are being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1?
22000

5.2c Are any of the +securities being issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A (if applicable)?
No

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