Taiwan Glass Announces Subsidiary's Acquisition of Financial Product

1. Name and nature of the subject matter (if preferred shares, specify dividend rate and other terms): 'Fu Rong Jin Cheng' Unit Structured Deposit

2. Effective date: 115/5/6 ~ 115/8/6

3. Board approval date: Not applicable

4. Other resolution dates: Resolution level: Approved by the subsidiary’s board of directors on May 6, June 3, July 21, and August 6, 2026 (Republic Era 115). Final resolution date: August 6, 2026 (Republic Era 115)

5. Transaction quantity, unit price, and total amount: RMB 75,000,000

6. Counterparty and its relationship with the company (if individual and not a related party, name may be omitted): Counterparty: Chengdu Bank Co., Ltd. Relationship with company: None

7. If counterparty is a related party, state reason for selection, previous owner, relationships, transfer date, and amount: Not applicable

8. If the asset was previously owned by a related party within the last five years, disclose acquisition/disposal date, price, and relationship at the time: Not applicable

9. Matters regarding disposal of receivables (including collateral types; if receivable from related party, disclose name and book value): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities; deferred gains to be detailed): Not applicable

11. Delivery or payment terms (payment periods and amounts), contractual restrictions, and other important clauses: Paid in full upfront

12. Decision-making method, pricing reference basis, and decision-making body: Approved by the subsidiary’s board of directors

13. Net asset value per share of the securities-issuing company: Not applicable

14. Cumulative holdings (including this transaction) in quantity, amount, ownership percentage, and any restricted rights (e.g., pledged): Cumulative holding amount: RMB 75,000,000 Rights restrictions: None

15. Proportion of securities investments listed under Article 3 of the 'Regulations on Acquiring or Disposing Assets by Publicly Issued Companies' (including this transaction) relative to total assets and equity attributable to parent owners in the latest financial statements, and the latest working capital amount: Securities investment as % of total assets: 0.49% Securities investment as % of equity attributable to parent owners: 0.72% Latest working capital amount: -NT$1,343,758 thousand Source of funds: Own funds Specific reason for acquisition: Cash management

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of acquiring or disposing securities: Cash management

18. Dissenting opinions from directors regarding the transaction: None

19. Whether this is a related-party transaction: No

20. Date of supervisor approval or audit committee consent: Not applicable

21. Whether auditors issued an adverse opinion on the transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Name of auditor: Not applicable

24. Auditor license number: Not applicable

25. Whether it involves a change in business model: No

26. Explanation of business model change: Not applicable

27. Transaction history with counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Own funds

29. Previous material information disclosure date for the same event: Not applicable

30. Other explanatory matters: None