UNOFFICIAL TRANSLATION PAGE 12 Certification and Consensus of Audit Firm Date ........ Month ....................... Year ............... Dear Secretary-General of the Office of the Securities and

measures for communications security in accordance with the following criteria: (1) manage and control computer network systems in a secure way to ensure prevention of any action that may cause a risk to

... (UNOFFICIAL TRANSLATION) PAGE Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. The SEC, Thailand can neither

approved by high-level management. In this case, such system shall; (a) generate good control environment; (b) assess, administer and manage any risks which arise or may arisen from conducting business to be

reference. PAGE 2 Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 38/2559 Re: Repeal of the Notification of the Office of the Securities and Exchange Commission regarding

of Contents Page 1. Audit Firm profile 1 2. Network firms of the Audit Firm 4 3. Internal management of the Audit Firm 5 4. Inspection results on quality control system by other agencies (if any) 5 5

shareholder(s) that have ultimate control of the audit firm? 2 Does the person that has ultimate control in the firm be a CFO or managing partner of the firm? If not, how the ultimate shareholder(s) delegate or

”). Preparation and filing thereof should also take into consideration the guidelines, the manual or the disclosure checklist available on the SEC website. Table of Contents Page Part 1: Business Operation and

etc. [M] · Providing an oversee system the operation of officer under the policy strictly [M] · providing an inspection and assessment of the sufficiency of policy and internal control information

Securities and Exchange Commission No. Or Thor. 21/2543 Re: Guidelines for the Operating Control of Brokerage and Dealing of Securities That Are Not Debt Instruments _____________________________ For the