Securities and Exchange Commission No. SorThor. 8/2548 Re: Operational Control and Security for Information Technology of a Licensed Derivatives Broker. By virtue of the second paragraph of Clause 7 of the

audit firm, hereby certify and consent to the followings: 1. I certify that the audit firm has audit quality control system which is sufficient and reliable for supervising its auditors’ work to comply

, hereby certify and consent to the followings: 1. I certify that the audit firm has audit quality control system which is sufficient and reliable for supervising its auditors’ work to comply with the

control system which is sufficient and reliable for supervising its auditors’ work to comply with the professional standards on a continuous basis. Such audit quality control system complies with

Internal Control Sufficiency Evaluation Form Concepts and Objectives Good internal control is essential for a listed company or a public company as it can help preventing, managing, mitigating risks

companies are instructed to comply with the Guidelines for Prevention and Control of the Novel Coronavirus Disease 2019 (COVID-19) in Case of Holding Meetings, Seminars or Other Activities of Similar Nature

Bangkok, February 23, 2015 ? The SEC is seeking public comment on proposed revision of rules governing operational control and information technology (IT) security of the securities companies and

), misappropriated PPPC's money to invest in and pay off debts of the companies over which he had full control for his own benefit, causing damage to PPPC's property, violating Section 307, 308 & 311

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

. (UNOFFICIAL TRANSLATION) (Revision 2015) Table 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