To comply with the principles of good corporate governance for listed companies under the Board of Directors' responsibility category and in accordance with the requirements of the Securities and Exchange Act, the company has appointed a Corporate Secretary to perform duties as mandated by law with diligence, caution, honesty, and integrity. The responsibilities of the Corporate Secretary include:

Organizing Board of Directors meetings, executive meetings, and shareholder meetings in compliance with the company’s regulations.

Preparing and maintaining essential documents, including the register of directors, notices of board meetings, board meeting minutes, the company's annual report, notices of shareholder meetings, shareholder meeting minutes, and records of directors' and executives' interests.

Ensuring that the company and the Board of Directors operate in accordance with applicable laws, rules, regulations, and company bylaws, as well as implementing the resolutions of board and shareholder meetings in line with good corporate governance principles.

Conducting orientation sessions and providing necessary information for both current and newly appointed directors.

Coordinating with regulatory agencies such as the Securities and Exchange Commission and overseeing the accurate and complete disclosure of information and reports to relevant authorities as required by law.

Performing duties as stipulated by the Capital Market Supervisory Board.

Carrying out other responsibilities as assigned by the company.

The company has appointed Ms. Jilrada Na Chiang Mai, Director of Corporate Compliance, to concurrently serve as the Corporate Secretary, effective October 2, 2020, to the present.