TSMC Clarifies Media Reports on Annual Revenue Forecast

1. Date of Event: August 14, 2026 (R.O.C. Year 115) 2. Company Name: Taiwan Surface Mounting Technology Corporation 3. Relationship to Company: This Company 4. Cross-shareholding Ratio: Not applicable 5. Media Outlet: Commercial Times 6. Report Content: ...annual revenue is expected to increase by 5%–10% year-on-year... 7. Reason for Occurrence: Media report 8. Response Measures: The forecast information regarding the Company's annual revenue mentioned in the media report is based on media speculation and analyst estimates. Official Company information should be based solely on announcements published on the Public Information Observation System. This statement is issued for clarification purposes. 9. Other Matters to be Disclosed: None Keyword: Material Information