(Supplementary) Announcement of CTBC Financial Holding Co., Ltd. to adjust the acquisition of right-of-use assets from a related party

1.Date of occurrence of the event:2026/07/23

2.Date of the original announcement and reporting:2025/12/12

3.Summary of the content originally announced and reported:

Transaction counterparty: CTBC Bank Co., Ltd.

Name of the asset:

Part of the office space located in 4.5.7.12.19.20.22.23.25.26.27.28.29F,

No.168,Jingmao 2nd Rd., Nangang Dist., Taipei City, Taiwan

Part of the office space located in 4.6.18F,

No.188,Jingmao 2nd Rd., Nangang Dist., Taipei City, Taiwan

Leased area and unit rental rate:

(1)834.49 ping unit price: NTD 2,300/ping(office without facilities)

(2)352.60 ping unit price: NTD 2,370/ping(office with facilities)

(3)373.98 ping unit price: NTD 2,450/ping(supervisor’s office with

facilities)

Monthly rental: NTD 3,671,241

Amount of the right-of-use assets: NTD 88,109,784

4.Reason for change and its main content:

Reason for change:

Partial early termination of the lease agreement

Main content:

Transaction counterparty: CTBC Bank Co., Ltd.

Name of the asset:

Part of the office space located in 5.7.12.19.20.22.25.26.27.28.29F,

No.168,Jingmao 2nd Rd., Nangang Dist., Taipei City, Taiwan

Part of the office space located in 4.6.18F,

No.188,Jingmao 2nd Rd., Nangang Dist., Taipei City, Taiwan

Leased area and unit rental rate:

(1)834.49 ping unit price: NTD 2,300/ping(office without facilities)

(2)Change to 347.87 ping unit price: NTD 2,370/ping(office with facilities)

(3)Change to 332.95 ping unit price: NTD 2,450/ping

(supervisor’s office with facilities)

Monthly rental: Change to NTD 3,559,507

Amount of the right-of-use assets: Change to NTD 85,428,168

5.Effect on the Company's finance and business after the change:

Not applicable

6.Any other matters that need to be specified: None