Hall Chadwick Acquisition Corp.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On June 24, 2026, the board of directors (the “Board”) of Hall Chadwick Acquisition Corp. (the “Company”) appointed Ms. Stephanie Wei-Ni Wen, age 48, to serve as a director of the Company commencing on June 24, 2026. The Board believes that Ms. Wen’s extensive transactional and legal experience advising mineral exploration and mineral production companies qualifies her to serve on the Board. Ms. Wen has over 15 years’ experience advising listed companies and multinational organizations on corporate governance, cross-border transactions and regulatory matters across Australia and the Asia-Pacific region. She most recently served as General Counsel and Company Secretary of ASX-listed Kingsgate Consolidated Limited from August 2023 to March 2026, where she advised on legal and governance matters relating to the company’s Australian listed parent and its mining operations in Thailand. From August 2018 to June 2019 and July 2019 to June 2023, Ms. Wen held senior legal roles with Cover-More Group and Swiss Re Group, respectively. Prior to that, Ms. Wen practiced corporate law in various legal roles across Australia and Asia. Ms. Wen previously served as a non-executive director of ASX-listed Quantum Health Group Limited from September 2021 to April 2022. She holds Bachelor of Laws and Bachelor of Commerce (Accounting) degrees from the University of New South Wales and a Master of International Affairs from Columbia University. In connection with her appointment, Ms. Wen is expected to enter into the Company’s standard form of indemnification agreement for directors and officers.