Chung-Chieh-KY: (Correction to 5/4 Major Announcement Subject) Announcement of the Company's Q1 2026 Consolidated Financial Report

1. Date of board meeting convocation notice: 2026/05/04 2. Scheduled date for board meeting: 2026/05/12 3. Financial report or self-prepared annual/quarterly financial information to be submitted to or resolved by the board of directors: Q1 2026 Consolidated Financial Report 4. Other matters to be explained: Original major announcement subject: "Announcement of the Company's Board of Directors approving the Q1 2026 Consolidated Financial Report." This major announcement is to announce the date of the board meeting, which is scheduled to propose and resolve the Q1 2026 Consolidated Financial Report, not to announce the board's approval of the Q1 2026 Consolidated Financial Report. The subject was incorrectly stated, and this correction is hereby made.