【Ennostar】Announcement of the Company's Plan to Distribute Cash from Capital Reserves

1. Date of board resolution: 2026/05/08 2. Dividend's fiscal year: 2025 Annual 3. Dividend's period: 2025/01/01 to 2025/12/31 4. Shareholder distribution content: (1) Cash dividend from earnings distribution (NT$/share): 0 (2) Cash distributed from legal reserve (NT$/share): 0 (3) Cash distributed from capital reserves (NT$/share): 0.90000000 (4) Total cash distributed to shareholders (dividend) (NT$): 664,146,414 (5) Stock dividend from earnings capitalization (NT$/share): 0 (6) Stock dividend from legal reserve capitalization (NT$/share): 0 (7) Stock dividend from capital reserves capitalization (NT$/share): 0 (8) Total number of shares distributed to shareholders (shares): 0 5. Other matters that need to be specified: After the approval of full accumulated loss compensation at the 2026 Annual Shareholders' Meeting, the distribution will be resolved by the board of directors in accordance with Article 241 of the Company Act. 6. Par value per ordinary share field: NT$10.0000