[TSRC] Announcement of Subsidiary Polybus Corporation Pte Ltd Convening a Shareholder Meeting

1. Date of Board of Directors resolution: 115/06/17 2. Date of shareholder meeting: 115/06/17 3. Location of shareholder meeting: Not applicable 4. Reason for convening (I) Report items: None 5. Reason for convening (II) Approval items: None 6. Reason for convening (III) Discussion items: (1) 2025 Financial Report (2) Appointment of auditors for 2026 7. Reason for convening (IV) Election items: None 8. Reason for convening (V) Other proposals: None 9. Reason for convening (VI) Extraordinary motions: None 10. Start date of suspension of transfer registration: NA 11. End date of suspension of transfer registration: NA 12. Other information: None