[Vieshow] Announcement Regarding Company Cybersecurity Incident

1. Date of Fact Occurrence: 2026/04/20 2. Reason for Occurrence: The company's information systems were subjected to a hacker cyberattack. 3. Handling Process: The company immediately initiated relevant defense mechanisms and recovery operations to prevent impact on cybersecurity. 4. Estimated Potential Losses or Impact: Currently, there have been no incidents of personal data, confidential, or critical document leakage. It is currently assessed that there is no significant impact on the company's operations. 5. Amount of Potential Insurance Claims: Not applicable. 6. Improvement Status and Future Response Measures: The company will continue close monitoring and strengthen the control of its network and information infrastructure to ensure the security of its information systems. 7. Other Matters to Note: None.