Subject: Announcement on behalf of subsidiary Hyield Venture Capital Co., Ltd for its disposal of Innolux Corporation's common shares

Contents:

1.Name of the securities: Common shares of Innolux Corporation

2.Trading date:2025/12/30~2026/02/25

3.Date of the board of directors resolution:2026/02/25

4.Other approval date: NA

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

Amount: 43,435,000 shares

Average Unit price: NTD23.89

Total monetary amount of the transaction: NTD1,037,701,250

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

The realized gain from transactions between December 30, 2025, and February 25, 2026, calculated based on acquisition cost, amounted to NT$618,272,619. As of the disposal date, this gain has been recognized in this year's undistributed earnings. In accordance with IFRS 9, the disposal gains are classified under Other Comprehensive Income (OCI). The annual breakdown is as follows:

2025: NTD28,620,738

2026: NTD589,651,881

7.Relationship with the underlying company of the trade:

investments accounted for Fair Value Through Other Comprehensive Income

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 amount held : 86,958,541shares

Cumulative monetary amount held:NTD2,139,180,109

Shareholding percentage:1.09%

Status of any restriction of rights (e.g.pledges):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:

Ratio to total assets:0.48%

Ratio to owners' equity:1.07%

Working Capital：NT$ -252,428,890,000

10.Concrete purpose of the acquisition or disposal: Investment Realization

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: NA

16.Any other matters that need to be specified:

Transaction fees, transaction tax shall be paid separately.