Mayer Steel Pipe Corporation announced members of the Company's 3nd Audit Committee. Date of occurrence of the change is June 14, 2022. Name of the previous position holder: Huang-Chi Liu; Chih-Ling Chen; Ching-Chuan Lo.

Resume of the previous position holder: Huang-Chi Liu/Mayer Steel Pipe Corporation independent directors; Zhi-Ling CHEN/Mayer Steel Pipe Corporation independent directors; Qing-Quan Luo/Mayer Steel Pipe Corporation independent directors 5.Name of the new position holder: Huang-Chi Liu; Jui-Hsiang Huang; Chih-Wei Chang. Resume of the new position holder: Huang-Chi Liu/Mayer Steel Pipe Corporation independent directors; Jui-Hsiang Huang/General Manager of Feida Enterprise Management Huiwen Co. Ltd. Circumstances of change: term expired.

Effective date of the new member is June 14, 2022.