) 815-7060 (AUTO 9 LINES), 425-9723-7, FAX : (662) 815-7069, 425-8358, 425-9729 . . 188 REF: SET 61-01 March 2, 2018 Subject: the explanation of overall operation in 2017 To : the President of the Stock

Bangkok, 11 April 2025 – At the SEC Board’s meeting convened on 10 April 2025, the SEC Board passed a resolution approving amendments to the regulations of the Stock Exchange of Thailand (SET), as

sector.It was Thailand’s 11th annual Ring the Bell for Gender Equality event -- part of a global campaign in which more than 110 stock exchanges worldwide advocate for women’s empowerment in the workplace

life as well as avoid falling victim to financial frauds and scams, would contribute to the overall financial well-being of the Thai people and the solution to the country’s household debt problems in

Bangkok, October 12, 2011 - On September 26, 2011, the Stock Exchange of Thailand (SET)?s overall trading system was temporarily halted at 14.36 hrs. before the SET Index dropped by 10 percent. SET?s

1 Ref: AC.006/2019 25 February 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

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

Management Discussion and Analysis 1 Ref: AC.017/2020 18 May 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange

1 Ref: AC.008/2020 25 February 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.016/2019 4 May 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating