[TSMC] The Company's Subsidiary TSMC Global Ltd. Announces Acquisition of Fixed Income Securities

1. Securities Name: Corporate Bonds. 2. Transaction Date: 2026/1/5~2026/4/7. 3. Date of Board of Directors' Resolution: Not applicable. 4. Other Approval Dates: Approval Level: Not applicable. April 7, 2026 (ROC calendar year 115). 5. Transaction Volume, Unit Price, and Total Transaction Amount: 61747YEV3: 159,500 units; US$102.71 per unit; total amount US$16.4 million. 172967LS8: 100,000 units; US$98.55 per unit; total amount US$9.9 million. 6. Disposal Gain (or Loss) (Not applicable for acquisition of marketable securities): Not applicable. 7. Relationship with the Transacting Company: None. 8. As of now, the cumulative quantity, amount, shareholding ratio, and restricted rights (e.g., pledge status) of these securities (including this transaction): 61747YEV3: 172,500 units; US$17.7 million; shareholding ratio: Not applicable; restricted status: None. 172967LS8: 100,000 units; US$9.9 million; shareholding ratio: Not applicable; restricted status: None. 9. As of now, the proportion of investments in marketable securities (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 equity attributable to owners of the parent company in the most recent financial report, and the amount of working capital in the most recent financial report: 6.15%; 8.25%; NT$325,002 million. 10. Specific Purpose of Acquisition or Disposal: Fixed income investment. 11. Opinions of dissenting directors on this transaction: Not applicable. 12. This transaction is a related party transaction: No. 13. Counterparty and its relationship with the company: Not applicable. 14. Date of approval by supervisors or audit committee: Not applicable. 15. Date of previous major announcement regarding the same event: Not applicable. 16. Other matters to be specified: None. Keywords: Material Information