Prevent Insider Trading

Procedures for Handling Material Inside Information and Prevention of Insider Trading

To establish a sound internal mechanism for the handling and disclosure of material information, avoid improper information leakage, ensure the consistency and accuracy of the Company's external disclosures, and prevent insider trading, the Company has formulated the "Procedures for Handling Material Inside Information and Prevention of Insider Trading" as a guideline for compliance.

• In May and November 2022, the Board of Directors revised Article 10, Paragraph 4 of the "Corporate Governance Best-Practice Principles" and added Article 16-1 to the "Procedures for Handling Material Inside Information and Preventing Insider Trading", which stipulates that insiders and designated personnel are prohibited from trading Company shares during the blackout periods: 30 days before the annual financial report announcement and 15 days before quarterly financial report announcements, starting from the date they become aware of the financial results.
• To strengthen compliance, the Company issued email notifications one week prior to each blackout period in January, April, July, and October 2025 to remind relevant insiders not to trade the Company’s issued securities during the blackout periods.
• In 2025, the Company conducted written training on insider trading regulations and collected signed declarations from newly promoted insiders. A total of 18 individuals signed the declaration, achieving a 100% completion rate.
• In January, April, July, and October 2025, the Company relayed official notices from the Taiwan Stock Exchange (TWSE) to insiders, including common violations related to insider shareholding change reporting . Insiders were urged to comply with the regulations to avoid penalties.
• In August and September 2025, the Company arranged for relevant personnel to attend the Taiwan Stock Exchange (TWSE) seminars titled “2025 Seminar on Legal Compliance for Insider Shareholding Transactions” and “2025 Seminar on Preventing Insider Trading.” A total of two participants attended, with each session lasting approximately three hours, for a total of six hours.
• In November 2025, the Board conducted the annual “Integrity Management and Insider Trading Prevention Training” session for directors and managerial officers.