【ETTV】Supplementary Announcement by Donglin Assets Co., Ltd. on Lease-Construction Project Contract for Exterior Curtain Wall Works

1. Type of Contract: Engineering Contract 2. Date of Event: July 20, 2023 3. Board Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by Chairman February 24, 2023 (Minguo Year 112) 5. Counterparty and Relationship with the Company: Counterparty: Lifu Industrial Co., Ltd. Relationship with Company: None 6. Main Contents of the Contract (including total contract value, estimated investment amount, contract period, restrictive clauses, and other important terms): Signed with Lifu Industrial Co., Ltd.: Contract for Exterior Curtain Wall Works and Contract for Procurement of Exterior Curtain Wall Materials for the New Construction of the ETTV Group Global Headquarters in Linkou 1. Exterior Curtain Wall Works (Office Building): NT$56 million 2. Exterior Curtain Wall Materials (Office Building): NT$644 million Total Contract Value: NT$700 million 7. Name of Professional Appraisal Firm or Company and Appraisal Result: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: Construction of Group Headquarters 11. Dissenting Director Opinions on This Transaction: None 12. Is This a Related-Party Transaction? No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Is the Appraisal Report a Limited Price, Specific Price, or Special Price? No or Not applicable 15. Has the Appraisal Report Not Yet Been Obtained? No or Not applicable 16. Reason for Not Yet Obtaining the Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor's License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Statements: None