Notification of Ownership Change

This filing reports a change in beneficial ownership of securities for Peter Ashley Marks, a director at ALTERITY THERAPEUTICS LTD. The changes involve both derivative and non-derivative holdings. Specifically, there are listed options expiring on February 26, 2027, and unlisted options expiring on December 30, 2027. The non-derivative holding consists of ordinary shares. The nature of ownership for these securities is through Shanti Capital Pty Ltd <Peter Marks Super Fund A/C>, with some holdings being indirect and others direct. The number of shares owned following the transaction is 1,818,182 ordinary shares.