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

that CSR initiatives are detrimental to corporate value creation. Tandry et al. (2014) investigates the linkage between CSR and firm value for non-financial 7 companies listed in Indonesia Stock Exchange

local stock and bond markets. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 2

Page 1 of 2 Ref. GEL.CS.012/2561 25th April 2018 Subject: The disposition of warrants to purchase common stock of Millcon Steel Public Company Limited No.4 (MILL-W4) To: President The Stock Exchange

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No. For.16/2018 July 16, 2018 Subject: Notification of the additional investment in M.K. Real Estate Development Public Company Limited To: The President The Stock Exchange of Thailand Finansa Public

No. TorDor. 79/2552 Re: Rules, Conditions and Procedures for Filing of Annual Financial Statements and Preparation of Reports of the Stock Exchange of Thailand _____________ By virtue of Section 16/6

ACC6207/003 25 July 2019 Subject Inform the progress of the sale stock in the subsidiary company To Director/ Managing Director The Stock Exchange of Thailand Refer to the company's letter No

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November 20, 2018 Subject: Clarification of decrease in share price Attention: President Stock Exchange of Thailand Reference is made to inquiries of the Stock Exchange of Thailand concerning the movement of