The CTBC Holding Board of Directors has approved amendments to the 2023 Restricted Stock Awards Regulations.

1.Date of occurrence of the event:2023/08/25
2.Date of the original announcement and reporting:2023/03/24
3.Summary of the content originally announced and reported:The Board of
Directors has approved the 2023 Restricted Stock Awards (RSA). Please
refer to the Company’s material information announcement on the same day.
4.Reason for change and its main content:(1)As the FAQ of restricted stock
awards amended by Securities and Futures Bureau in 2023, the content of the
2023 RSA regulations has been amended accordingly.
(2)Major points of amendment:
1.Article 3, paragraph 2: Clarify the awarding principles shall set with
relating performance factors.
2.Article 8, paragraph 1: Stipulate the approving process that the conditions
and content of the Regulations must be changed as ordered by the competent
authority or required by amendments to relevant laws and regulations.
5.Impact on the Company's finance and business after the change:None.
6.Any other matters that need to be specified:None.