[Finance] Announcement: Company Acquired Securities Worth NT$300 Million Within One Year

1. Securities Name: Common Stock of Taiwan Semiconductor Manufacturing Company Limited 2. Transaction Date: March 3, 115 to June 11, 115 (Republic of China calendar) 3. Board of Directors Approval Date: N/A 4. Other Approval Dates: Approval Level: Chairman's Approval September 1, 114 (Republic of China calendar) 5. Transaction Quantity, Unit Price, and Total Transaction Amount: (1) Transaction Quantity: 159,000 shares (2) Unit Price: Average price of approximately NT$1,970.15 (3) Total Transaction Amount: NT$313,254,237 6. Profit (or Loss) from Disposal (Not applicable for securities acquisition): Not applicable 7. Relationship with the Company of the Transaction Target: None. 8. Accumulated Quantity, Amount, Shareholding Ratio, and Restrictions (e.g., pledges) of the Securities Held (including this transaction) to Date: (1) Accumulated holdings of these securities (including this transaction): 620,000 shares (2) Investment amount (including this transaction): NT$629,798,814 (3) Shareholding ratio: 0.002% (4) Restrictions: None. 9. As of the latest financial statements, the proportion of securities investments (including this transaction) listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Public Companies" to the company's total assets and the equity attributable to the parent company, as well as the amount of working capital: (1) Proportion of securities investments (including this transaction) to total assets: 45.46% (2) Proportion of securities investments (including this transaction) to shareholders' equity: 53.04% (3) Working capital: NT$7,184,661 thousand 10. Specific Purpose of Acquisition or Disposal: To enhance capital utilization efficiency. 11. Dissenting Directors' Opinions on this Transaction: None. 12. Is this transaction a related party transaction: No 13. Transaction Counterparty and Relationship with the Company: Not applicable. 14. Date of Supervisor's Approval or Audit Committee's Consent: Not applicable. 15. Date of Previous Major Information Announcement on the Same Matter: Not applicable 16. Other Explanatory Matters: None. Keywords: Major Information