TSMC Announces Subsidiary TSMC Global Ltd. Acquisition of Fixed Income Securities

1. Security Name: Corporate bonds. 2. Transaction Date: 115/4/20 ~ 115/4/20 3. Date of Board of Directors Approval: N/A 4. Date of Other Approval: Approval Level: N/A April 20, 115 (Republic of China calendar) 5. Transaction Quantity, Unit Price, and Total Transaction Amount: 38141GZK3: 100,000 units; US$98.57 per unit; Total amount US$9.9 million. 6. Profit (or Loss) from Disposal (Not applicable for acquisition of securities): N/A 7. Relationship with the Transaction Target Company: None. 8. Cumulative Holding of this Transaction Security (including this transaction) to date: Quantity, Amount, Shareholding Ratio, and Restrictions (e.g., pledge status): 38141GZK3: 3,995,700 units; US$394.0 million; Shareholding Ratio: N/A; Restrictions: None. 9. To date, the proportion of securities investments (including this transaction) listed in Article 3 of the "Regulations Governing Acquisitions or Disposals of Assets by Public Companies" to the total assets and equity attributable to the parent company owner in the most recent financial statements, and the amount of working capital in the most recent financial statements: 6.07%; 8.15%; NT$325,002 million. 10. Specific Purpose of Acquisition or Disposal: Fixed income investment. 11. Opinions of Directors Who Expressed Dissent Regarding This Transaction: N/A 12. Is this transaction a related party transaction?: No 13. Trading Counterparty and Relationship with the Company: N/A 14. Date of Supervisor's Approval or Audit Committee's Consent: N/A 15. Date of previous announcement of material information regarding the same event: N/A 16. Other explanatory matters: None.