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:2026/02/26~2026/03/10

3.Date of the board of directors resolution:2026/03/10

4.Other approval date: NA

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

Amount: 86,957,000 shares

Average Unit price: approx NTD 28.46

Total monetary amount of the transaction: NTD 2,474,379,550

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

For the transactions from February 26, 2026 to March 10, 2026, the realized gain calculated based on acquisition cost amounts to NTD 1,633,292,414, which has been included in retained earnings as of the disposal date.

In accordance with IFRS 9, of which NTD 649,982,513 was reclassified from other equity of 2025, and NTD 983,309,901 was recognized in Other Comprehensive Income for 2026.

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:1,541 shares

Cumulative monetary amount held: NTD 42,455

Shareholding percentage: approx.0.00%

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:0.46%

Ratio to owners' equity:1.02%

Working Capital：NTD -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.