[Huang Hsiang] Announcement of Securities Disposal

1. Name of securities: Taiwan Semiconductor Manufacturing Co., Ltd. 2. Trading dates: May 14, 2026 ~ May 15, 2026 3. Date of board of directors resolution: Not applicable 4. Date of other decision-making: Decision by the Chairman on May 15, 2026 5. Trading volume, unit price, and total transaction amount: Trading volume: 160,000 shares Average price per share: NT$ 2,290.03 Total transaction amount: NT$ 366,405,000 6. Profit (or loss) from disposal (not applicable for acquisition of securities): Profit from disposal: NT$ 9,538,000 7. Relationship with the underlying company of the transaction: None 8. Current cumulative volume, amount, and shareholding percentage of the securities held (including this transaction) and status of rights restriction (e.g., pledges): Volume: 362,000 shares Amount: NT$ 807,412,000 Shareholding percentage: 0.001% 9. Current ratio of securities investment (including this transaction) specified in Article 3 of the 'Regulations Governing the Acquisition and Disposal of Assets by Public Companies' to total assets and equity attributable to owners of the parent in the latest financial statements, and the operational capital in the latest financial statements: Ratio to total assets: 0.662% Ratio to owners' equity: 2.453% Operational capital: NT$ 14,739,777,000 10. Concrete purpose of acquisition or disposal: To improve the company's capital utilization efficiency 11. Opinion of dissenting directors regarding this transaction: Not applicable 12. Whether this transaction is a related-party transaction: No 13. Trading counterparty and its relationship with the company: Not applicable 14. Date of acknowledgment by supervisors or approval by the audit committee: Not applicable 15. Date of previous material information announced for the same event: Not applicable 16. Other explanatory matters: None