TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD files 6-K: foreign-issuer report (6-K)

Taiwan Semiconductor Manufacturing Company Limited ("TSMC"; NYSE: TSM)

This is to report 1) the changes in the shareholdings of TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 2) the changes in the pledge of TSMC common shares by TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC; 3) the acquisition and disposition of assets by TSMC and its subsidiaries; 4) the capital appropriations approved by TSMC board of directors; 5) the unsecured bonds issued by TSMC and its subsidiaries and 6) the cancellation of TSMC common shares for the month of July 2026.

1. The changes in the shareholdings of TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC:

Title Name Number of shares held as of Changes

6/30/2026 7/31/2026 Vice President B.Z. Tien 13,051 18,051 5,000

Vice President S.S. Lin 30,269 35,269 5,000

Note: Shareholdings include shares held by the related parties.

2. The changes in the pledge of TSMC common shares by TSMC board of directors, executive officers and shareholders who own more than 10% of total outstanding common shares of TSMC:

None.

3. The acquisition and disposition of assets by TSMC and its subsidiaries:

Equity investment: NT$0.7 billion of disposition.

4. The capital appropriations approved by TSMC board of directors:

None.

5. The unsecured bonds issued by TSMC and its subsidiaries:

Issuance Tranche Issuance Period Total Amount (in billions) Coupon Rate Repayment and Interest Payment

115-3 A July 2026 ~ July 2031 NT$14.0 2.03% Bullet repayment; interest payable annually

6. The cancellation of TSMC common shares:

None.