ATOMO DIAGNOSTICS LIMITED — Share Issue/Capital Change 2026

May 14, 2026

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

Announcement Summary

Entity name
ATOMO DIAGNOSTICS LIMITED

Date of this announcement
Friday May 15, 2026

The +securities the subject of this notification are:
Other

Total number of +securities to be issued/transferred

ASX +security code	Security description	Total number of +securities to be issued/transferred	Issue date
New class - code to be confirmed	OPTION EXPIRING 15-NOV-2028 EX $0.045	674,229	15/05/2026

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
ATOMO DIAGNOSTICS LIMITED
We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities.

1.2 Registered number type
ACN
Registration number
142925684

1.3 ASX issuer code
AT1

1.4 The announcement is
New announcement

1.5 Date of this announcement
15/5/2026

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

Please specify
The Securities issued under a SPP, for which an Appendix 3B was lodged on 30 March 2026.

2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which:
does not have an existing ASX security code ("new 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 3C - number and type of +securities the subject of this notification (new class)

New +securities

ASX +security code	+Security description
New class - code to be confirmed	OPTION EXPIRING 15-NOV-2028 EX $0.045
+Security type	ISIN code
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Options

Date the +securities the subject of this notification were issued
15/5/2026

Will all the +securities issued in this class rank equally in all respects from their issue date?
Yes

Have you received confirmation from ASX that the terms of the +securities are appropriate and equitable under listing rule 6.1?
No

Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities being issued.
https://investors.atomodiagnostics.com/announcements

Options Details

+Security currency	Exercise price	Expiry date
AUD - Australian Dollar	AUD 0.04500000	15/11/2028

Details of the existing class of +security that will be issued upon exercise or conversion of this new class of company option
AT1: ORDINARY FULLY PAID

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

Please provide any further information needed to understand the circumstances in which you are notifying the issue of these +securities to ASX, including why the issue of the +securities has not been previously announced to the market in an Appendix 3B

An Appendix 3B was lodged with the ASX on 30 March 2026 and updated on 17 April 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

Issue details

Number of +securities
674,229

Were the +securities issued for a cash consideration?
No

Please describe the consideration being provided for the +securities
Free attaching options being offered as additional incentive to subscribers of the SPP.

Purpose of the issue
Other

Additional Details
Free attaching options being offered as additional incentive to subscribers of the SPP.

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
AT1 : ORDINARY FULLY PAID	901,084,373

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
AT1AT : OPTION EXPIRING 14-AUG-2028 EX $0.04	22,519,555
AT1AP : OPTION EXPIRING 05-MAY-2028 EX $0.04	46,929,731
AT1AQ : OPTION EXPIRING 27-JUN-2028 EX $0.04	50,983,142
AT1AR : OPTION EXPIRING 03-JUL-2028 EX $0.04	31,729,730
AT1AS : OPTION EXPIRING 24-JUL-2028 EX $0.04	16,810,814
AT1AI : OPTION EXPIRING VARIOUS DATES EX 25C	533,334
AT1AV : OPTION EXPIRING 08-OCT-2028 EX $0.045	50,454,536
AT1AO : OPTION EXPIRING 22-AUG-2026 EX $0.0468	275,000
AT1AN : OPTION EXPIRING 01-JUL-2027 EX $0.035	5,300,000
AT1AU : OPTION EXPIRING 30-JUN-2028 EX $0.0115	8,100,000
New class - code to be confirmed : OPTION EXPIRING 15-NOV-2028 EX $0.045	674,229

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?
674,229

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

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