1.Name of the securities:common stocks of Taiwan Speciality Chemicals
   Corporation
2.Trading date:2025/01/16~2025/01/16
3.Date of the board of directors resolution:NA
4.Other approval date:2025/01/16
5.Amount, unit price, and total monetary amount of the transaction:
   Amount: Planned 2,598,638 common shares
   Unit price: No less than NTD 250 per share
   Total monetary amount of the transaction: Will announce supplement to
   disclose the amount once confirmed.
6.Gain (or loss) through disposal (not applicable in case of acquisition of
   securities):Will announce supplement to disclose the amount once confirmed.
7.Relationship with the underlying company of the trade:
   It is not a related party of CDIB Capital Group.
8.Current cumulative amount held, monetary amount, and shareholding
   percentage of cumulative holdings of the securities being traded (including
   the current trade), and status of any restriction of rights (e.g.pledges):
   Cumulative volume: 0 shares
   Cumulative amount: NTD 0
   Shareholding percentage: 0%
   Status of any restriction of rights: N
9.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:
   Current ratio of securities investment to the total assets: 0.92%
   Current ratio of securities investment to the total assets and equity:
   11.84%
   Working capital as shown in the most recent financial statement: N/A
10.Concrete purpose of the acquisition or disposal: For the needs of
   adjusting portfolio composition.
11.Any dissenting opinions of directors to the present transaction:N/A
12.Whether the counterparty of the current transaction is a related party:N
13.Trading counterparty and its relationship with the Company:N/A
14.Date of ratification by supervisors or approval by
     the audit committee:NA
15.Date on which material information regarding the same event
     has been previously released:2025/08/21
16.Any other matters that need to be specified:
    This disposal falls under the authority of the department. Initial
    approval was granted on January 16, 2025, for disposal at a minimum price
    of NTD$250 per share. A revised approval was obtained on July 16, 2025,
    allowing disposal at no less than NTD$200 per share. As of August 21,
    2025, a cumulative total of 1,353,000 shares has been disposed of at an
    average price of NTD$241.9061 per share, generating total proceeds of
    NTD$327,299,000 and a disposal gain of NTD$313,769,000.