【Formosa Sumco Technology】(Update on convening matters) Announcement of the Board of Directors' resolution to convene the 115th Annual Shareholders' Meeting of Formosa Sumco Technology Corporation

1. Date of Board of Directors' resolution: 115/03/12 2. Date of shareholders' meeting: 115/06/11 3. Location of shareholders' meeting: No. 380, Section 6, Nanjing East Road, Taipei City 4. Method of shareholders' meeting (physical shareholders' meeting/video-assisted shareholders' meeting/video shareholders' meeting): Physical shareholders' meeting 5. Agenda item one: Reporting matters (1): The company's business report for fiscal year 114. (2): Audit Committee's report on the audit of the company's financial statements for fiscal year 114. (3): Report on the company's distribution of employee compensation for fiscal year 114. (4): Report on the company's distribution of cash dividends for fiscal year 114. 6. Agenda item two: Approval matters (1): To submit the company's financial statements for fiscal year 114 in accordance with the law, please approve. (2): To submit the company's profit distribution proposal for fiscal year 114 in accordance with the law, please approve. 7. Agenda item three: Discussion matters (1): To amend the company's articles of association, please resolve. 8. Provisional motions: 9. Start date of book closure period: 115/04/13 10. End date of book closure period: 115/06/11 11. Other matters to be specified: In accordance with Article 172-1 of the Company Act, shareholder proposals will be accepted from April 7 to April 16, 115, at the company's stock affairs unit. Address: 10F, Building A5, No. 380, Nanjing East Road, Taipei City.