TSMC Announces Issuance of 2026 Third Tranche Unsecured Green Corporate Bonds

Announcement Date: July 23, 2026 Statement Date: July 22, 2026 Statement Time: 18:32:47 Company Code: 2330 Company Name: Taiwan Semiconductor Manufacturing Company Limited Purpose: Announcement of the issuance of the company's 2026 Third Tranche Unsecured Ordinary Corporate Bonds (Green Bonds)

Key Issuance Terms Applicable Clause: Clause 11 Event Date: July 22, 2026

Details: 1. Board Resolution Date: Not applicable 2. Bond Name (XX Company's Xth Secured/Unsecured Corporate Bond): Taiwan Semiconductor Manufacturing Company Limited 2026 Third Tranche Unsecured Ordinary Corporate Bonds (Green Bonds) 3. Whether the issuance is under a blanket registration: No 4. Total Issuance Amount: NT$18.5 billion, divided into two tranches based on maturity: Class A: NT$14 billion, Class B: NT$4.5 billion 5. Face Value per Unit: NT$10 million 6. Issue Price: Issued at par value 7. Tenor: Class A: 5 years, Class B: 10 years 8. Interest Rate: Class A: Fixed annual rate of 2.03%, Class B: Fixed annual rate of 2.10% 9. Collateral Type, Name, Amount, and Terms: None 10. Use of Proceeds and Allocation Plan: Expenditures related to green buildings and environmental sustainability 11. Underwriting Method: Public offering through securities underwriters via negotiated sales 12. Bond Trustee: Taipei Fubon Commercial Bank Co., Ltd. 13. Underwriting or Distribution Institution: Taishin Securities Co., Ltd. appointed as lead underwriter 14. Issuance Guarantor: None 15. Agent for Principal and Interest Payment: Taipei Fubon Commercial Bank Co., Ltd. Shifu Branch 16. Certification Institution: None 17. Conversion into Shares and Conversion Terms: Not applicable 18. Put Option Terms: None 19. Call Option Terms: None 20. Share Conversion Benchmark Date (if applicable): Not applicable 21. Potential Dilution of Equity (if applicable): Not applicable 22. Rationality and Necessity of Fundraising Following Cash Capital Reduction (applicable if cash reduction occurred in current or prior year): Not applicable 23. Other Matters to be Disclosed: The board of directors approved the issuance of unsecured ordinary corporate bonds on February 10, 2026. This announcement follows the pricing of the 2026 Third Tranche Corporate Bonds (Green Bonds).