[TSMC] Announcement regarding the adjustment of cash dividend per share for Q4 2025

1. Date of the resolution by the Board of Directors or Shareholders' Meeting: N/A 2. Original type and amount of dividend: Cash dividend from earnings of 155,595,147,126 TWD, with 6.0 TWD per share. 3. Changed type and amount of dividend: Cash dividend from earnings of 155,595,147,126 TWD, with 6.00003573 TWD per share. 4. Reason for change: The slight change in cash dividend per share is due to the change in the number of the company's outstanding shares, resulting from the company's buyback of restricted employee shares from 2022, 2023, and 2024 between the date of the Board's dividend resolution and the record date. 5. Other matters to be stated: According to the Board resolution on February 10, 2026, the Chairman is authorized to adjust the cash dividend per share.