[Formosa Petrochemical] Announcement of Board Resolution to Waive Non-Compete Restrictions for Manager

1. Date of Board Resolution: 2026/05/26 2. Name and Title of Manager permitted to engage in competitive behavior: Chen Chia-yi / Senior Vice President 3. Items permitted for competitive behavior: Serving as a manager in companies with the same or similar business nature as the Company. 4. Period of permitted competitive behavior: From today until resignation. 5. Resolution status (Voting results according to Article 32 of the Company Act): Approved by all attending directors. 6. If the competitive behavior involves business in Mainland China, name and title of manager: Not applicable. 7. Other matters to be stated: None.