Walsin Lihwa adheres to the principle of business integrity, abides by government regulations, and implements effective corporate governance to fulfill corporate social responsibilities. The Ethical Management Best Practice Principles and the Procedures for Ethical Management and Guidelines for Conduct passed by the Board of Directors are the Company's ethical management policies, which include the Ethical Conduct Guidelines for Directors of the Board and Managerial Officers, Ethical Conduct Guidelines for Employees, and Employee Code of Conduct to require compliance with such company bylaws in terms of business ethics, labor relations, environmental protection, occupational health and safety, internal control, corporate governance, and community engagement. Relevant information is also provided on the Company's website and intranet to convey the importance of ethical management for business integrity to incorporate ethical management into corporate culture.

Walsin Lihwa's Business Integrity Center is managed by the Corporate Governance Officer to assist the Board of Directors and management in evaluation of the effectiveness of preventive measures to enable ethical management and achieve business integrity, and report the status of compliance in relevant business processes to the Board of Directors at least once a year for supervision by the Board. The duties and functions of the Corporate Governance Unit and the Business Integrity Center are as follows:

The Business Integrity Center holds quarterly review meetings to review and discuss the implementation status of its responsibilities. It reports the implementation results to the Sustainable Development Committee every 6 months, thereby ensuring the effective promotion of sustainable development goals.

The meetings in 2024 were as follows:

Walsin Lihwa strengthens ethical management for business integrity through public commitment, promotion of relevant information, as well as education and training on a regular basis. The promotion of relevant information covers all members of the Board of Directors, employees, as well as suppliers and contractors to enable top-down development of an ethical and integral corporate culture. In 2024, the education and training implemented by the Business Integrity Center included:

• Organized education and training on business integrity (anti-corruption), trade secrets, prevention of insider trading, intellectual property rights (including TIPS), raw material procurement processes and legal risks, and information security, thereby promoting relevant policies and conveying the importance of integrity and compliance to Directors and employees. All 11 Directors completed the courses on material information, insider trading, and friendly workplaces (including sexual harassment prevention). A total of 2,399 employees in Taiwan and Mainland China completed the training, representing a completion rate of 42.1%. The training status of employees is as follows:

During the annual evaluation of the risks of unethical behavior, specific plants are selected by the Business Integrity Center to review their processes, regulations, and accounting, and improvement measures are formulated based on the findings. In 2024, Hangzhou Walsin Power Cable & Wire Co., Ltd. was selected for assessment, and was evaluated to be low risk in terms of business integrity.

Walsin Lihwa's Procedures for Ethical Management and Guidelines for Conduct regulate the provision of political donations and require an objective stance on public policies, and stipulate that the Company shall refrain from active participation in political parties, political activities, or lobbying. From 2019 to 2024, no political contributions were provided to any political or lobbying group.