UNOFFICIAL TRANSLATION (SEC logo and contact information) 8 August 2014 To Managers Securities companies Asset management companies Derivatives intermediaries No. Kor Lor Tor. Kor Thor. (Wor) 23/2557

Re: Operating System Relating to the Undertaking of Fund Management Business

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Rules, Conditions, and Procedure for Granting Approval of Trust Managers of Infrastructure Investment Trusts and Operating Standards

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries

Standard Conduct of Business, Management Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries