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

industry Black Liquor from Paper Mill Used Oil/Solvent from Chemical Industry Used Tires from Auto Industry Waste Reject from Paper Mill Actual 2020: 14.3% substitution by heat • • • Raw Mill Cement Mill

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of

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

Page 1 of 2 Ref. GEL.CS.003/2561 27th February 2018 Subject: The disposition of warrants to purchase common stock of Millcon Steel Public Company Limited No.3 (MILL-W3) To: Director and Manager The

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