【Promise Technology】Board of Directors Resolves to Convene 2026 Annual Shareholders' Meeting (Additional Agenda Item)

1. Date of board resolution: 2026/05/08 2. Date of shareholders' meeting: 2026/06/29 3. Location of shareholders' meeting: Hsinchu Science Park, Industrial East 2nd Road No. 1 (Newton Hall, 2nd Floor, Technology Living Hall) at 09:00 AM 4. Method of convening shareholders' meeting (physical meeting/video-assisted meeting/video meeting): Physical shareholders' meeting 5. Agenda Item 1: Reporting matters (1): 2025 operating status (2): Audit Committee's review of 2025 financial statements (3): Report on the status of the company's 2025 shareholders' meeting resolution on private placement of common shares (4): Report on the implementation status of the company's capital reduction and operational improvement plan 6. Agenda Item 2: Approval matters (1): 2025 business report and financial statements (2): 2025 accumulated loss compensation proposal 7. Agenda Item 3: Discussion matters (1): Company's private placement securities proposal 8. Agenda Item 4: Election matters (1): Re-election of the 13th term directors 9. Agenda Item 5: Other matters (1): Release of 13th term directors from non-competition restrictions 10. Ad-hoc motions: 11. Book closure start date: 2026/05/01 12. Book closure end date: 2026/06/29 13. Other matters that need to be specified: 1. Period for accepting shareholder proposals: 2026/04/17 ~ 2026/04/27 2. Location for accepting proposals: Company's Finance Department (5th Floor, No. 21, Industrial East 4th Road, Hsinchu Science Park) 3. New agenda item: Company's private placement securities proposal