Page 346 - 56-1 One Report 2022 EN

Attachment 1 Information of Directors, Executives, Controlling Person, Head of Accounting and Finance,
Accounting Controller, and Company Secretary
2. The Company Secretary’s responsibilities

The responsibilities of the Company Secretary are as follows:
(1) Present any resolutions from the Board of Directors and shareholders to management for their
acknowledgment; consult with and propose basic information to the Board of Directors and management on
Company regulations and corporate governance guidelines.

(2) Prepare and file documents including, but not limited to the following: the directors list, Board of Directors
meeting invitations, shareholder meeting invitations, Board of Directors meeting minutes, shareholders meeting
minutes, and the Company’s annual report.

(3) File mutual benefits report, which is created by directors, executives, and other relevant persons subject to the
law; keep records of the said documents; and forward copies to the Chairman of the Board and the Chairman
of the Audit Committee.

(4) Organize and arrange the meetings of the Board of Directors and other committees as established in
accordance with the law, Company Articles of Association, and the rules and governance guidelines of the
Board of Directors and other committees.

(5) Disclose information and present reports related to responsibility areas to the related authorities.
(6) Communicate with shareholders to inform them of their rights as a shareholder.

(7) Serve an administrative function for the Board of Directors and cooperate with executive management to
provide information and news to the Board of Directors on events related to the Company’s operations.

(8) Arrange the evaluation process for the Board of Directors and others sub-committee that shall include separate
individual evaluations and propose the evaluation results to the Board.
(9) Other operations as defined by the Securities and Exchange Commission and relevant regulations.

3. Record of the punishment of Directors, Executives, and Controlling Persons
In the 5 preceding years, have no directors, executives and, controlling persons being punished due to the
violation of the Securities and Exchange Act B.E. 2535 or the Derivatives Acts B.E. 2546.

Attachment 1 Page 19