Exchange Commission No. Kor Thor. 21/2563 Re: Determination of Types of Operation of Person Approved to Participate in Regulatory Sandbox to Experiment and Develop Innovation in Support of Service Provision

Experiment and Develop Innovation In Support of Service Provision Related to Capital Market _____________________ By virtue of Section 14 of the Securities and Exchange Act B.E. 2535 (1992), as amended by the

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

Re: Operational Control and Information Technology Security of Securities Companies Whereas in these days securities companies widely accept information technology as an instrument for securities

Operating Control and Information Technology Security of Securities Company By virtue of Paragraph 1(2) of Section 141 of the Securities and Exchange Act B.E. 2535, the SEC Office, with the approval of the

Experiment and Develop Innovation in Support of Service Provision Related to Capital Market Which Are Not Deemed an Undertaking of Securities Business For Which an Approval Is Required _____________________ By

reference. PAGE 13 Notification of the Office of the Securities and Exchange Commission No. Sor Thor. 37/2559 Re: Rules in Detail on Establishment of Information Technology System By virtue of Clause 5(1) in

Experiment and Develop Innovation in Support of Service Provision Related to Capital Market Which Are Not Deemed an Undertaking of Derivatives Business For Which an Approval Is Required _____________________

No. OrThor/Nor. 5/2547 Re: Operational Control and Security of the Information Technology of Securities Company For the purpose of rendering the securities companies to efficiently comply with the

Securities and Exchange Commission No. Nor Por. 3/2559 Re: Guidelines for Establishment of Information Technology System ______________________ Whereas the Notification of the Capital Market Supervisory Board