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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Friday

Key Takeaway: Announcement Summary ALTERITY THERAPEUTICS LIMITED Date of this announcement Friday August 15, 2025 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

Full Press Release Details

Announcement Summary
ALTERITY THERAPEUTICS LIMITED
Date of this announcement
Friday August 15, 2025
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
New class - code to be confirmed Unlisted options expiring 8 August 2030, ex US$0.0086 312,400,200 15/08/2025
Refer to next page for full details
Part 1 - Entity and announcement details
ALTERITY THERAPEUTICS 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
ABN 37080699065
1.4 The announcement is
1.5 Date of this announcement
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
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")
Part 3C - number and type of +securities the subject of this notification
ASX +security code +Security description
New class - code to be confirmed Unlisted options expiring 8 August 2030, ex US$0.0086
+Security type ISIN code
Options
Date the +securities the subject of this notification
Will all the +securities issued in this class rank
equally in all respects from their issue date?
Were any of the +securities issued to +key management
personnel (KMP) or an +associate?
Provide details of the KMP or +associates being issued
Name of KMP Name of registered holder Number of +securities
David Stamler David Stamler 290,400,000
Have you received confirmation from ASX that the terms
of the +securities are appropriate and equitable under listing rule 6.1?
Please provide a URL link for a document lodged with ASX setting
out the material terms of the +securities being issued.
+Security currency Exercise price Expiry date
USD - US Dollar USD 0.00860000 8/8/2030
Details of the existing class of +security that will
be issued upon exercise or conversion of this new class of company option
ATH : ORDINARY FULLY PAID
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
Any other information the entity wishes to provide
about the +securities the subject of this notification
Number of +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
ATH : ORDINARY FULLY PAID 9,207,465,724
ATHO : OPTION EXPIRING 31-AUG-2026 932,516,031
ATHOA : OPTION EXPIRING 26-FEB-2027 1,222,300,911
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
ATHAAE : OPTION EXPIRING 29-NOV-2026 EX $0.0375 10,000,000
ATHAAG : OPTION EXPIRING 29-NOV-2026 EX $0.0238 11,500,000
ATHAD : OPTION EXPIRING 01-JUL-2030 EX $0.01 15,000,000
ATHAAB : OPTION EXPIRING 17-SEP-2025 EX $0.09 35,000,000
ATHAAK : OPTION EXPIRING 30-DEC-2027 EX $0.01 170,000,000
ATHAAH : OPTION EXPIRING 19-DEC-2026 EX $0.0105 8,000,000
ATHAB : OPTION EXPIRING 13-MAR-2029 EX US$0.0031 62,500,000
ATHAA : OPTION EXPIRING 13-MAR-2029 EX $0.004 20,166,667
ATHAC : OPTION EXPIRING 21-MAR-2029 EX US$0.003 40,000,200
ATHAAD : OPTION EXPIRING 06-JAN-2026 EX $0.032 91,392,720
New class - code to be confirmed : Unlisted options expiring 8 August 2030, ex US$0.0086 312,400,200
Part 5 - Other Listing Rule requirements
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?
Select the number of the applicable exception in Listing Rule 7.2
Last updated: Aug 15, 2025