Next-Gen Thermal Solution

In this era of relentless AI evolution, technology relies on a force often overlooked,

yet never absent—Thermal Management.

We believe that every kilowatt saved and every cooling innovation is a gift of choice for the next generation.

SUNON—The artistry of air and water, for your everyday.

2025 Sustainability Report sustainable performance

Corporate governance

CorporateGovernance

Governance Organizational Operations

Corporate Governance

Annual Performance

During the year, the Company demonstrated steady growth across financial, governance, and sustainability dimensions. Net profit after tax reached NT$2.165 billion, representing an increase of 45.2% compared with 2023, reflecting improved operational efficiency and the gradual realization of market expansion results, and laying a solid foundation for continued investment in innovation and sustainability.

At the same time, the Company maintained its commitment to integrity governance, recording zero corruption incidents for the year, demonstrating sound internal control mechanisms and effective risk management, and successfully fostering a transparent and responsible corporate culture. In terms of ethical management, 15,902 participations were engaged in integrity management training, strengthening employees’ awareness of legal compliance, ethics, and professional conduct, and embedding integrity as a core value of daily operations. In response to increasingly severe information security threats, the Company also successfully passed ISO 27001 Information Security Management System certification, indicating that its information protection processes meet international standards and effectively safeguard the data security of customers and partners.

Overall, these achievements demonstrate the Company’s comprehensive progress in financial performance, integrity governance, gender diversity, and information security, laying a more solid foundation for sustainable development.

2.165 billion

Net profit after tax

Corruption incident

15902 attendances

Business integrity education and training

Board of Directors

Functional Committees

Organizational Operations

Internal Audit

Ethical Management

Information Security

Risk Management

Important Internal Regulations

Appointment and Performance of the Corporate Governance Supervisor

I. Appointment

The Company resolved at a Board of Directors meeting on May 6, 2021 to appoint Mr. Wei-Jen, Li, Deputy General Manager, as the Corporate Governance Supervisor of the Company, with the aim of safeguarding shareholder rights and strengthening Board functions. He possesses more than ten years of experience in management work related to accounting, finance, shareholder affairs, or meeting affairs at publicly listed companies.

II. Main Responsibilities of the Corporate Governance Officer

To handle matters related to meetings of the Board of Directors and shareholders’ meetings in accordance with laws and regulations.
To prepare minutes of meetings of the Board of Directors and shareholders’ meetings.
To assist directors and supervisors with assumption of office and continuing education.
To provide directors and supervisors with information required for the performance of their duties.
To assist directors and supervisors in complying with laws and regulations.
To report to the Board of Directors on the results of reviews regarding whether independent directors meet the qualifications required by relevant laws and regulations at the time of nomination, election, and during their term of office.
To handle matters related to changes in directors.
To handle investor relations–related matters and other matters stipulated by the Articles of Incorporation or contracts.
To promote matters related to corporate governance.

III. Performance of Duties

Performance in Year 2025

Assisting Directors in the Performance of Their Duties, Providing Necessary Information, and Arranging Director Training

From time to time, directors are notified of the latest amendments to laws and regulations related to the Company’s business scope and corporate governance.
Company information required for directors to perform their duties is provided, maintaining smooth communication between directors and heads of departments.
Director training courses are arranged in accordance with directors’ academic and professional backgrounds and updates to applicable laws and regulations. Director training in Year 114 complied with the required training hours.
Directors’ and officers’ liability insurance was arranged and reported to the Board of Directors on November 6, 2025.
Independent directors regularly communicated with the head of internal audit and the certified public accountant to understand the Company’s financial operations.

Assisting Functional Committees, the Board of Directors, and Shareholders’ Meetings with Meeting Procedures and Legal Compliance

Meeting procedures are formulated, and directors are notified to convene meetings at least seven days in advance, with relevant meeting materials and agenda items provided. Where recusal due to conflicts of interest is required, reminders are given in advance, and meeting minutes are provided within twenty days after each meeting. In Year 2025, a total of 9 Board meetings, 5 Audit Committee meetings, and 4 Remuneration Committee meetings were held.
Directors are assisted and reminded to comply with applicable laws and regulations when performing their duties or adopting formal Board resolutions.
The Board of Directors is informed of the review results regarding whether independent directors meet the qualifications required by relevant laws and regulations at the time of nomination, election, and during their term of office.
Shareholders’ meeting dates are registered in advance in accordance with laws, and meeting notices, meeting handbooks, meeting minutes, and annual reports are prepared within statutory deadlines for investor reference.
The internal performance evaluation of the Board of Directors for Year 2024 was conducted, and the evaluation results were submitted to the most recent Board meeting in Year 2025.
Education on the prevention of insider trading is conducted, and insiders are notified that they are prohibited from trading company shares during the blackout periods of 30 days prior to the announcement of annual financial reports and 15 days prior to the announcement of quarterly financial reports.

Handling Matters Related to Changes in Directors

The review results of qualification requirements for independent directors at the time of nomination and election are submitted to the Board of Directors.
Upon changes in directors, necessary information is provided and required public announcements and filings are completed in accordance with laws and regulations.
Company change registration procedures are handled.

Maintaining Investor Relations

Communication and engagement with investors are conducted through investor conferences and annual shareholders’ meetings, and company website information is updated from time to time to enable investors to understand the Company’s financial condition, business operations, and corporate governance information, thereby safeguarding shareholder rights. A total of 12 investor conferences were held in Year 2025.

Performance in Year 2024

Assisting Directors in the Performance of Their Duties, Providing Necessary Information, and Arranging Director Training

Directors were notified from time to time of the latest amendments to laws and regulations related to the Company’s business scope and corporate governance.
Company information required for directors to perform their duties was provided, maintaining smooth communication between directors and heads of departments.
Director training courses were arranged in accordance with directors’ academic and professional backgrounds and updates to applicable laws and regulations. Director training in Year 113 complied with the required training hours.
Directors’ and officers’ liability insurance was arranged and reported to the Board of Directors on November 11, 2024.
Independent directors regularly communicated with the head of internal audit or the certified public accountant to understand the Company’s financial operations.

Assisting Functional Committees, the Board of Directors, and Shareholders’ Meetings with Meeting Procedures and Legal Compliance

Meeting procedures were formulated, and directors were notified to convene meetings at least seven days in advance, with relevant meeting materials and agenda items provided. Where recusal due to conflicts of interest was required, reminders were given in advance, and meeting minutes were provided within twenty days after each meeting. In Year 2024, a total of 6 Board meetings, 5 Audit Committee meetings, and 5 Remuneration Committee meetings were held.
Directors were assisted and reminded to comply with applicable laws and regulations when performing their duties or adopting formal Board resolutions.
The Board of Directors was informed of the review results regarding whether independent directors met the qualifications required by relevant laws and regulations at the time of nomination, election, and during their term of office.
Shareholders’ meeting dates were registered in advance in accordance with laws, and meeting notices, meeting handbooks, meeting minutes, and annual reports were prepared within statutory deadlines for investor reference.
The internal performance evaluation of the Board of Directors for Year 2024 was conducted, and the evaluation results were submitted to the most recent Board meeting in Year 2025.

Handling Matters Related to Changes in Directors

The review results of qualification requirements for independent directors at the time of nomination and election were submitted to the Board of Directors.
Upon changes in directors, necessary information was provided and required public announcements and filings were completed in accordance with laws and regulations.
Company change registration procedures were handled.

Maintaining Investor Relations

Communication and engagement with investors were conducted through investor conferences and annual shareholders’ meetings, and company website information was updated from time to time to enable investors to understand the Company’s financial condition, business operations, and corporate governance information, thereby safeguarding shareholder rights. A total of 10 investor conferences were held in Year 2024.

Performance in Year 2023

Directors and members of functional committees were notified from time to time of the latest developments and amendments to laws and regulations related to the Company’s business operations and corporate governance.
Assisted directors in the performance of their duties, provided necessary information, and arranged director training.
Reviewed the confidentiality levels of relevant information and provided directors and committee members with the company information required, maintaining smooth communication and interaction between directors, committee members, and heads of business units.
Responsible for meeting procedures of the Board of Directors and shareholders’ meetings, and for compliance of resolutions with applicable laws and regulations.

Confirmed that the convening of shareholders’ meetings, Board meetings, and functional committee meetings complied with relevant laws and corporate governance principles.
Prepared agendas for Board and functional committee meetings and notified directors and committee members at least seven days in advance, convened meetings, and provided meeting materials. Where agenda items required recusal due to conflicts of interest, reminders were given in advance, and meeting minutes were completed within twenty days after meetings. In Year 2023, 6 Board meetings, 6 Audit Committee meetings, and 3 Remuneration Committee meetings were held.
Handled advance registration of shareholders’ meeting dates in accordance with laws, prepared meeting notices, meeting handbooks, and meeting minutes within statutory deadlines, and completed change registration procedures when the Articles of Incorporation were amended.
Reviewed whether resolutions of the Board of Directors and shareholders’ meetings constituted material information disclosures, ensuring the legality and accuracy of disclosed material information and safeguarding equal access to trading information for investors.

Promoted matters related to corporate governance.
Arranged directors’ and officers’ liability insurance and reported the same to the Board of Directors.

Performance in Year 2022

Directors and members of functional committees were notified from time to time of the latest developments and amendments to laws and regulations related to the Company’s business operations and corporate governance.
Assisted directors in the performance of their duties, provided necessary information, and arranged director training.
Reviewed the confidentiality levels of relevant information and provided directors and committee members with the company information required, maintaining smooth communication and interaction between directors, committee members, and heads of business units.
Responsible for meeting procedures of the Board of Directors and shareholders’ meetings, and for compliance of resolutions with applicable laws and regulations.

Confirmed that the convening of shareholders’ meetings, Board meetings, and functional committee meetings complied with relevant laws and corporate governance principles.
Prepared agendas for Board and functional committee meetings and notified directors and committee members at least seven days in advance, convened meetings, and provided meeting materials. Where agenda items required recusal due to conflicts of interest, reminders were given in advance, and meeting minutes were completed within twenty days after meetings. In Year 2022, 6 Board meetings, 6 Audit Committee meetings, and 3 Remuneration Committee meetings were held.
Handled advance registration of shareholders’ meeting dates in accordance with laws, prepared meeting notices, meeting handbooks, and meeting minutes within statutory deadlines, and completed change registration procedures when the Articles of Incorporation were amended.
Reviewed whether resolutions of the Board of Directors and shareholders’ meetings constituted material information disclosures, ensuring the legality and accuracy of disclosed material information and safeguarding equal access to trading information for investors.

Promoted matters related to corporate governance.
Arranged directors’ and officers’ liability insurance and reported the same to the Board of Directors.

IV. Training Records

Training in Year 2025

Training date	Training institution	Course Title	Training Hours	Total Training Hours for the Year
2025/08/21	Taiwan Corporate Sustainability Development Association	CDP Alignment with IFRS S2 – Thematic Analysis and Briefing Course	6	15
2025/08/28~2025/08/29	Chinese Corporate Governance Association	Greenhouse Gas Management Practical Workshop and Sustainability Promotion Seminar	9	15

Training in Year 2024

Training date	Training institution	Course Title	Training Hours	Total Training Hours for the Year
2024/05/16~2024/05/17	Securities and Futures Institute	Practical Workshop on Sustainability Disclosure	9	12
2024/10/04	Securities and Futures Institute	Insider Trading Prevention Promotion Seminar of Year 113	3	12

Training in Year 2023

Training date	Training institution	Course Title	Training Hours	Total Training Hours for the Year
2023/06/02	Chinese National Association of Industry and Commerce	2023 Taishin Net Zero Power Summit Forum	3	12
2023/07/04	Taiwan Stock Exchange	2023 Cathay Sustainable Finance and Climate Change Summit Forum	6
2023/11/24	Securities and Futures Institute	Challenges and Responsibilities of the Board under Corporate Governance Evaluation Indicators and Sustainability Action Plans	3

Training in Year 2022

Training date	Training institution	Course Title	Training Hours	Total Training Hours for the Year
2022/03/16	Securities and Futures Institute	Human Resources in the Process of Corporate Mergers and Acquisitions	3	10
2022/03/17	Securities and Futures Institute	Risks and Opportunities for Corporate Operations Arising from Climate Change and Energy Policy Trends	3
2022/05/04	Taiwan Stock Exchange	International Dual Summit Online Forum	2
2022/07/20	Jointly Organized by Taiwan Stock Exchange and Taipei Exchange	Sustainability Roadmap Industry-Themed Promotion Seminar	2

Training in Year 2021

Training date	Training institution	Course Title	Training Hours	Total Training Hours for the Year
2021/09/01	Financial Supervisory Commission	13th Taipei Corporate Governance Forum	6	12
2021/12/07	Taiwan Stock Exchange	2021 Cathay Sustainable Finance and Climate Change Summit Forum	6	12

Questionnaire

Based on the principles of openness and transparency, regularly collect and analyze the issues of concern to stakeholders.

Report Download

Provide the annual sustainability report, materiality assessment results, and governance information. You are welcome to read.

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