Management Change/Compensation (Form 8-K)

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 21, 2026, David Halstead resigned as Chief Financial Officer and as a member of the Board of Directors (the "Board") of Graphene & Solar Technologies Limited (the "Company"), effective April 21, 2026.

David Halstead's resignation is not the result of any disagreement or issues relating to the Company's operations, policies, or practices.

On April 21, 2026, the Board of Directors of the Company appointed Kristine Woo to serve as the Company's interim Chief Financial Officer, effective immediately. The Company plans to promptly initiate a search for a permanent successor to be Chief Financial Officer.

Kristine Woo will receive compensation consistent with the Company's executive compensation policies.

There are no arrangements or understandings between Kristine Woo and any other person pursuant to which she was selected as interim Chief Financial Officer, no family relationships with any director or executive officer of the Company, and no transactions requiring disclosure under Item 404(a) of Regulation S-K.