(Supplementary)CTBC Holding announces that the board resolved to subscribe new common shares of CTBC Finance Co., Ltd.,

1.Name and nature of the underlying assets (if preferred shares, the terms

and conditions of issuance shall also be indicated, e.g., dividend yield,

etc.):The common shares of CTBC Finance Co., Ltd.

2.Date of occurrence of the event:2023/08/28

3.Amount, unit price, and total monetary amount of the transaction:

(1)Volume: 100,000,000 shares (Supplementary)

(2)Unit price: NT$10.00 per share (Supplementary)

(3)Total monetary amount: NT$ 1,000,000,000 (Supplementary)

4.Trading counterparty and its relationship with the Company (if the trading

counterparty is a natural person and furthermore is not a related party of

the Company, the name of the trading counterparty is not required to be

disclosed):

(1)Counterpart: CTBC Finance Co., Ltd.

(2)Relationship: CTBC Finance Co., Ltd. is CTBC Holding’s owned subsidiary

5.Where the trading counterparty is a related party, announcement shall also

be made of the reason for choosing the related party as trading counterparty

and the identity of the previous owner, its relationship with the Company

and the trading counterparty, and the previous date and monetary amount of

transfer:

(1)The reason for choosing the related party as trading counterpart: To

strengthen CTBC Finance Co., Ltd.’s capital and financial structure and to

support the funding required for its future operating capital.

(2)Previous owner: NA

(3)Price of transfer, and date of acquisition: NA

6.Where an owner of the underlying assets within the past five years has

been a related party of the Company, the announcement shall also include the

date and price of acquisition and disposal by the related party, and its

relationship with the Company at the time of the transaction:NA

7.Matters related to the current disposal of creditors' rights (including

types of collaterals of the disposed creditor’s rights; if creditor's

rights over a related party, announcement shall be made of the name of the

related party and the book amount of the creditor's rights, currently being

disposed of, over such related party):NA

8.Profit or loss from the disposal (not applicable in cases of acquisition

of securities) (those with deferral should provide a table explaining

recognition):NA

9.Terms of delivery or payment (including payment period and monetary

amount), restrictive covenants in the contract, and other important terms

and conditions:

(1)Terms of delivery or payment: Payment in cash during the period for

payment of subscription. (NT$1,000,000,000) (Supplementary)

(2)Restrictive covenants in the contract, and other important stipulations:

CTBC Holding subscribes new common shares of CTBC Finance Co., Ltd. was

approved by Financial Supervisory Commission with document No. 1120142055 on

August 11, 2023.(Supplementary)

10.The manner of deciding on this transaction (such as invitation to tender,

price comparison, or price negotiation), the reference basis for the

decision on price, and the decision-making unit:

(1)The manner in which the current transaction was decided: follow the

process for subscription of new issuance of common shares

(2)The reference basis for the decision on price:

Based on the issue price of new shares decided by the Board of CTBC Finance

Co., Ltd. held on August 25, 2023. (Supplementary)

(3)The decision-making department:

The chairman agreed on August 28, 2023 (The Board held on April 28, 2023

has authorized the chairman to deal with related matters.)(Supplementary)

11.Net worth per share of the Company's underlying securities acquired or

disposed of:NT$10.09

12.Cumulative no.of shares held (including the current transaction), their

monetary amount, shareholding percentage, and status of any restriction of

rights (e.g., pledges), as of the present moment:

(1)Current cumulative volume (including the current trade):

207,110,086 shares (Supplementary)

(2)Current cumulative amount (including the current trade):

NT$2,080,476 thousand (Supplementary)

(3)Current cumulative shareholding percentage (including the current trade):

100%

(4)Status of any restriction of rights: None

13.Current ratio of securities investment (including the current trade, as

listed in article 3 of Regulations Governing the Acquisition and Disposal of

Assets by Public Companies) to the total assets and equity attributable to

owners of the parent as shown in the most recent financial statement and

working capital as shown in the most recent financial statement as of the

present:

(1)Current ratio of securities (including the current trade) to the total

assets as shown in the most recent financial statement:

100.33% (Supplementary)

(2)Current ratio of securities (including the current trade) to the

shareholder's equity as shown in the most recent financial statement:

122.91% (Supplementary)

(3)The operating capital as shown in the most recent financial statement: NA

14.Broker and broker's fee:None

15.Concrete purpose or use of the acquisition or disposal:

To strengthen CTBC Finance Co., Ltd.’s capital and financial structure and

to support the funding required for its future operating capital.

16.Any dissenting opinions of directors to the present transaction:None

17.Whether the counterparty of the current transaction is

a related party:

Yes, CTBC Finance Co., Ltd. is a wholly owned subsidiary of the Company

18.Date of the board of directors resolution:2023/04/28

19.Date of ratification by supervisors or approval by

the Audit Committee:2023/04/27

20.Whether the CPA issued an unreasonable opinion regarding the current

transaction:NA

21.Name of the CPA firm:NA

22.Name of the CPA:NA

23.Practice certificate number of the CPA:NA

24.Whether the transaction involved in change of business model:No

25.Details on change of business model:NA

26.Details on transactions with the counterparty for the past year and the

expected coming year:

CTBC Finance Co., Ltd. became a subsidiary directly held by CTBC

Holding On 2023/8/25. (Supplementary)

27.Source of funds:

yearly capital increase through capitalization of retained earnings

28.Any other matters that need to be specified:

None. (Supplementary)