The company has established management procedures to prevent insider trading, clearly stating that directors, managers, and employees must not disclose significant internal information they know to others. Directors, managers, and employees must not leak the significant internal information they know to others, nor should they inquire or collect company's significant non-public internal information unrelated to their job duties from people who know the company's significant internal information. They should not disclose the non-public significant internal information they know for reasons other than performing their duties. Company personnel must comply with the regulations of the Securities Exchange Act and must not use non-public information to engage in insider trading, nor disclose it to others to prevent others from using such non-public information for insider trading. This procedure has been announced on the company's corporate website.

The company periodically conducts advocacy for directors and management regarding insider trading, internal personnel equity-related regulations, and matters that should be noted. For new employees, the HR department will promote the company's code of conduct, management measures, and regulations during new employee training, and incorporate Taiwan Stock Exchange's insider trading prevention materials into the general knowledge courses. All measures are announced and disclosed on the company's internal and external websites for employees to follow.

The participation of managers, directors, and employees in the company's internal regulations for the year 2022 is as follows: