【San Di Development】Announcement of the Board of Directors' Resolution to Convene the 115th Annual General Meeting of Shareholders (New Agenda Items)

1. Board Resolution Date: 115/05/11 2. Shareholder Meeting Date: 115/06/25 3. Shareholder Meeting Location: Golden Lion Lake Hotel, 2nd Floor Conference Hall (Address: No. 118, Jinding Road, Sanmin District, Kaohsiung City) 4. Shareholder Meeting Format (Physical Shareholder Meeting / Video-Assisted Shareholder Meeting / Video Shareholder Meeting): Physical Shareholder Meeting 5. Meeting Purpose One: Reporting Matters (1): 2025 Business Report (2): 2025 Audit Committee Review Report (3): 2025 Employee Remuneration and Director Remuneration Distribution Report (4): 2025 Endorsement and Guarantee Status Report (5): 2025 Related Party Transaction Execution Status Report (6): 2024 Domestic First Secured Convertible Bond Issuance Status Report 6. Meeting Purpose Two: Approval Matters (1): 2025 Business Report and Financial Statements (2): 2025 Profit Distribution Proposal (3): 2024 Cash Capital Increase and Domestic First Secured Convertible Bond Fund Utilization Plan Amendment 7. Meeting Purpose Three: Discussion Matters (1): Amendment to partial articles of the "Procedures for Acquisition or Disposal of Assets" (2): Capital Reserve Transfer to Increase Shares (3): Amendment to partial articles of the "Shareholder Meeting Rules of Procedure" 8. Meeting Purpose Four: Other Matters (1): Proposal to lift non-competition restrictions on directors and their representatives 9. New Business: 10. Book Closure Start Date: 115/04/27 11. Book Closure End Date: 115/06/25 12. Other Matters to be Notified: New Reporting Matters: (3) 2025 Employee Remuneration and Director Remuneration Distribution Report; New Approval Matters: (2) 2025 Profit Distribution Proposal; New Discussion Matters: (2) Capital Reserve Transfer to Increase Shares; (3) Amendment to partial articles of the "Shareholder Meeting Rules of Procedure".