ATOMO DIAGNOSTICS LIMITED — Share Issue/Capital Change 2026

Apr 7, 2026

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

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Announcement Summary

Entity name

ATOMO DIAGNOSTICS LIMITED

Date of this announcement

Wednesday April 08, 2026

The +securities the subject of this notification are:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and are not intended to be quoted, on ASX

Total number of +securities to be issued/transferred

		Total number of
ASX +security		+securities to be
code	Security description	issued/transferred	Issue date
New class - code	Options expiring 8/10/2028. Exercisable at $0.045	45,454,536	08/04/2026
to be confirmed

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

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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 Registration number ACN 142925684

1.3 ASX issuer code

AT1

1.4 The announcement is

New announcement

1.5 Date of this announcement

8/4/2026

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

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Part 2 - Issue details

2.1 The +securities the subject of this notification are:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B that are not quoted, and are not intended to be quoted, on ASX

Previous Appendix 3B details:

Announcement Date and Announcement Title Selected Appendix 3B to submit quotation Time request 30-Mar-2026 15:23 Update - Update - Proposed issue of A placement or other type of issue securities - AT1

2.3a.2 Are there any further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B? Yes

2.3a.3 Please provide details of the further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B

The Company will issue up to 30,303,030 Shares and 15,151,515 Options under the Share Purchase Plan, as announced to the market on 30 March 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

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Part 3A - number and type of +securities the subject of this notification (existing class or new class) where issue has previously been notified to ASX in an Appendix 3B

Placement Details

ASX +security code and description new unquoted class of security Date the +securities the subject of this notification were issued 8/4/2026 Any other information the entity wishes to provide about the +securities the subject of this notification

Issue details

Number of +securities 45,454,536 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 placement.

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

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Part 3C - number and type of +securities the subject of this notification (new class)

ASX +security code		+Security description
New class - code to be confirmed		Options expiring 8/10/2028. Exercisable at $0.045
+Security type		ISIN code
Options
Date the +securities the subject of this notification were		issued
8/4/2026
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://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-03073426-2A1663064&v=undefined
Options Details
+Security currency	Exercise price	Expiry date
AUD - Australian Dollar	AUD 0.04500000	8/10/2028
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

Issue details

Number of +securities

45,454,536

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

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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)

4.1 Quoted +securities (Total number of each +class of +securities issued and quoted	on ASX)
	Total number of
ASX +security code and description	+securities on issue
AT1 : ORDINARY FULLY PAID	810,175,282
4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)
	Total number of
ASX +security code and description	+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
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 : Options expiring 8/10/2028. Exercisable at $0.045	45,454,536

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

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

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