TSMC 3/A: Ku Yao-Ching amended initial ownership report (2 holdings) (Jun 23, 2026)

=== SEC Form 3/A — Statement of Changes in Beneficial Ownership === Document Type: 3/A Period of Report: 2026-06-01 --- Issuer --- Name: TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) CIK: 0001046179 --- Reporting Owner --- Name: Ku Yao-Ching CIK: 0002135989 Role: Officer (VP) --- Holdings --- [Holding #1] Security: Common Shares (2330.TW) Ownership: D (Direct) [Holding #2] Security: Common Shares (2330.TW) Ownership: I (Indirect) Footnotes: [F1] This amended Form 3 is being filed to correct the number of Common Shares (2330.TW) reported as owned by the reporting person's spouse in Table I of the original Form 3 filed on June 1, 2026, which inadvertently included 450 Common Shares (2330.TW) not owned by the reporting person's spouse. This amended Form 3 corrects the number of Common Shares (2330.TW) owned by the reporting person's spouse from 73,396 to 72,946, and is deemed to update such information reported in the Form 4 filed on June 9, 2026. [Holding #3] Security: Common Shares (2330.TW) Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: This amended Form 3 is being filed to correct the number of Common Shares (2330.TW) reported as owned by the reporting person's spouse in Table I of the original Form 3 filed on June 1, 2026, which inadvertently included 450 Common Shares (2330.TW) not owned by the reporting person's spouse. This amended Form 3 corrects the number of Common Shares (2330.TW) owned by the reporting person's spouse from 73,396 to 72,946, and is deemed to update such information reported in the Form 4 filed on June 9, 2026. --- Signature --- /s/ /s/ Jen-Chau Huang, as attorney-in-fact (2026-06-23)