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

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

-1- AIT (VP-SEC) 028E/2022 November 10, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q3-2022 To: The President of the Stock Exchange of Thailand Summary of Operations

management of the State Railway of Thailand, etc. The total operating expenses in Q1– 2023 decreased by 25. 3% , which was a decrease in line with the decreased revenue compared to Q4–2022, in which those

1 Ref: AC.017/2018 14 May 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating