[Portwell] Announcement by Subsidiary Haokai Technology Co., Ltd. of Board of Directors' Resolution to Convene the 2026 Annual General Meeting of Shareholders

1. Date of Board of Directors' Resolution: 2026/05/07 2. Date of Convocation of Shareholders' Meeting: 2026/06/24 3. Location of Shareholders' Meeting: 13F-5, No. 736, Zhongzheng Rd., Zhonghe Dist., New Taipei City 4. Agenda Item 1: Report Matters: (1) 2025 Operating Performance Report. (2) Supervisors' Review Report on 2025 Financial Statements. (3) Report on the Distribution of Employees' Remuneration for 2025. 5. Agenda Item 2: Approval Matters: (1) 2025 Operating Report and Financial Statements. (2) 2025 Earnings Distribution Plan. 6. Agenda Item 3: Discussion Matters: None 7. Agenda Item 4: Election Matters: None 8. Agenda Item 5: Other Proposals: None 9. Agenda Item 6: Ad-hoc Motions: None 10. Book Closure Start Date: 2026/05/26 11. Book Closure End Date: 2026/06/24 12. Other Matters to be Specified: Period for accepting proposals: From May 16, 2026 to May 26, 2026.