Huang Hsiang Announces Acquisition of Securities

1. Security Name: Taiwan Semiconductor Manufacturing Company Limited

2. Transaction Date: 06/10/2026 ~ 06/18/2026

3. Board Approval Date: Not applicable

4. Other Approval Date: Approval Level: Approved by Chairman June 18, 2026 (R.O.C. Year 115)

5. Transaction Quantity, Unit Price, and Total Amount: Transaction Quantity: 130,000 shares Average Price per Share: NT$2,354.02 Total Transaction Amount: NT$306,022 thousand

6. Gain (or Loss) from Disposal (Not applicable for acquisition of securities): Not applicable

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date – Quantity, Amount, Ownership Percentage, and Restricted Rights (e.g., pledged): Quantity: 122,000 shares Amount: NT$287,475 thousand Ownership Percentage: 0.000%

9. Cumulative Securities Investment under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' (including this transaction), as a percentage of total assets and equity attributable to owners of the parent in the company’s latest financial statements, and the amount of working capital: Percentage of Total Assets: 0.553% Percentage of Equity Attributable to Owners of the Parent: 2.049% Working Capital: NT$14,739,777 thousand

10. Specific Purpose of Acquisition or Disposal: To enhance the capital utilization efficiency of the company

11. Dissenting Directors’ Opinions on This Transaction: Not applicable

12. Whether This Transaction is a Related-Party Transaction: No

13. Counterparty and Its Relationship with the Company: Not applicable

14. Date of Supervisor’s Approval or Audit Committee’s Consent: Not applicable

15. Previous Date of Material Information Disclosure on the Same Event: Not applicable

16. Other Explanatory Matters: None