Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

the previous yearly. To: The President The Stock Exchange of Thailand In the fourth quarter of the year, the Thai economy grew by only 2.4%, which is contracted according to domestic factors. Especially

previous Quarterly To: The President The Stock Exchange of Thailand As a result of the trade war, both the United States and China have pulled the world economy down sharply and may cause a recession in the

the previous Quarterly To: The President The Stock Exchange of Thailand At present, the Thai economy and other countries in the world, there are clear direction of growth in the downtrend. The rate of

Ref Ref. 2S_BoD001/2020 February 26th, 2020 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

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Manager The Stock Exchange of Thailand The operating performance for three-month period end 30 June 2019 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

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and Analysis Quarterly Ending June 30, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2019

Discussion and Analysis on operating results for Q2/2019 ended June 30, 2019. To: President The Stock Exchange of Thailand The results of operations of Castle Peak Holdings Public Co., Ltd. (CPH) and its