【Shin Zu Shing】Supplementary Announcement on Board Resolution to Convene the 2026 Annual General Meeting of Shareholders

1. Date of board resolution: April 29, 2026. 2. Date of shareholders' meeting: June 9, 2026. 3. Location of shareholders' meeting: No. 1, Sanjun St., Shulin Dist., New Taipei City (Shuangyan Xingfu Xishi Meeting Hall). 4. Method of convening shareholders' meeting (physical shareholders' meeting/video-assisted shareholders' meeting/video shareholders' meeting): Physical shareholders' meeting. 5. Agenda Item 1: Reporting matters. (1): 2025 Annual Business Report. (2): 2025 Audit Committee Review Report. (3): Report on the distribution of employee and director remuneration for 2025. (4): Report on related party transactions for 2025. (5): Progress report on the execution of the third domestic unsecured convertible corporate bonds. 6. Agenda Item 2: Approval matters. (1): 2025 Financial Statements and Business Report Proposal. (2): 2025 Earnings Distribution Proposal. 7. Agenda Item 3: Discussion matters. (1): Proposal for cash distribution from capital surplus. 8. Extraordinary motions: 9. Book closure commencement date: April 11, 2026. 10. Book closure end date: June 9, 2026. 11. Other matters to be specified: (1) This (2026) Annual General Meeting of Shareholders will adopt electronic voting as one of the channels for shareholders to exercise their voting rights. (2) In accordance with Article 172-1 of the Company Act, shareholders holding more than one percent of the total issued shares of the Company may submit shareholder proposals in writing to the Company: Location for receiving shareholder proposals: No. 174, Junying St., Shulin Dist., New Taipei City (02-2681-3316). Period for receiving shareholder proposals: From March 23, 2026, to April 1, 2026, at 4 PM. (3) The period for shareholders to exercise electronic voting rights at this shareholders' meeting is from May 9, 2026, to June 6, 2026. (4) Except for those notified by public announcement in accordance with the Securities and Exchange Act and the Company's Articles of Incorporation, shareholders holding 1,000 shares or more will have their meeting notices and proxy forms mailed 30 days before the Annual General Meeting of Shareholders. If not received by then, please inquire with the Company's stock transfer agent. (5) Conversion suspension period for the Company's third domestic unsecured convertible corporate bonds: None.