original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of

undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ------------------------------- Notification of the Office of the Securities and

any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ------------------------------- Notification of the Office of the Securities and

any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ------------------------------- Notification of the Office of the Securities and

translation is strictly for reference. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use

Audit Firm Name: Subject : Leadership Responsibility Prepared by Date LEADERSHIP RESPONSABILITIES FOR QUALITY WITHIN THE FIRM Particulars Reference / Guidance Notes Description 1 Who is the ultimate

responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ----------------------------- Notification of the Securities and Exchange Commission No. SorNor. 33

the firm has designated Ethics Partner who takes responsibility of all independence issues? If yes, Does he/she have the seniority, experience, authority and resources and take responsibility for the

issuer and those who have an opportunity to make use of such inside information ; (4) clear scope of authority , duty and responsibility of directors, executives and work units. Clause 7 A securities

holding securities for investment by the securities company itself; (3) Bearing a responsibility for the clearing and settlement for securities. (As amended by Section 5 of the Securities and Exchange Act