TSMC: Company Announces Acquisition of Fixed Income Securities by Subsidiary TSMC Global Ltd.

1. Name of securities: Corporate bonds. 2. Transaction date: 115/4/29~115/4/29. 3. Date of board resolution: Not applicable. 4. Other approval dates: Approval level: Not applicable. April 29, 115 (ROC calendar). 5. Transaction volume, unit price, and total transaction amount: 95000U2S1: 220,000 units; unit price US$97.91; total amount US$21.5 million. 61747YFP5: 160,000 units; unit price US$101.15; total amount US$16.2 million. 95000U3L5: 120,000 units; unit price US$101.24; total amount US$12.1 million. 38141GC77: 100,000 units; unit price US$100.49; total amount US$10.0 million. 172967LS8: 100,000 units; unit price US$98.77; total amount US$9.9 million. 6. Disposal profit (or loss) (not applicable for acquisition of securities): Not applicable. 7. Relationship with the target company: None. 8. As of now, the cumulative number, amount, shareholding ratio, and restrictions on rights (such as pledge status) of this transaction's securities (including this transaction): 95000U2S1: 1,525,000 units; US$149.3 million; shareholding ratio: Not applicable; restrictions: None. 61747YFP5: 510,000 units; US$51.6 million; shareholding ratio: Not applicable; restrictions: None. 95000U3L5: 752,360 units; US$76.1 million; shareholding ratio: Not applicable; restrictions: None. 38141GC77: 2,140,000 units; US$215.5 million; shareholding ratio: Not applicable; restrictions: None. 172967LS8: 400,000 units; US$39.5 million; shareholding ratio: Not applicable; restrictions: None. 9. As of now, the proportion of investment in securities listed in Article 3 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies" (including this transaction) to the 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: 6.08%; 8.17%; 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 material information announcement on the same event: Not applicable. 16. Other matters to be specified: None.