China Steel Chemical Corporation announced the Change of representative of legal person director. Name of the previous position holder:Chao-Tung Wong. Resume of the previous position holder: director.

Name of the new position holder: Horng Yih Liou 6.Resume of the new position holder: Assistant Vice President of Technology of China Steel Corporation. Effective date of the new appointment: May 18, 2024. Date of occurrence of the change: May 9, 2024.