Subject: (Supplementary announcement dated Nov. 7, 2025) On behalf of subsidiary FII, announcing the disposal of shares in Digiwin Co., LTD.

Contents:

1.Name of the securities: Equity of Digiwin Co., LTD.

2.Trading date: 2026/01/08~2026/02/10

3.Date of the board of directors resolution: NA

4.Other approval date: NA

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

A total of 6,373,581 shares were reduced through centralized bidding and block trades.

The average transaction price was RMB 50.58 per share.

Total transaction amount: RMB 322,404,052.

6.Gain (or loss) through disposal (not applicable in case of acquisition of securities):

RMB 225,347,248

7.Relationship with the underlying company of the trade:

The invested company adopts the equity method for investment

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 shares held:33,597,684 shares

Cumulative monetary amount held: RMB 511,625,075

Shareholding percentage:12.37%

Restriction of rights: None

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:

Proportion of total assets: 0.76%

Proportion of owner's equity: 1.69%

Operating Capital: NTD-252,428,890,000

10.Concrete purpose of the acquisition or disposal: Realize investment

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

12.Whether the counterparty of the current transaction is a related party: NO

13.Trading counterparty and its relationship with the Company: None

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:2025/11/07

16.Any other matters that need to be specified:

The reduction plan period is from December 1, 2025 to February 27, 2026.