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

August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C. Property

1/4 August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C

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Business Unit of 26 MB (plus revert in NRV of 17 MB) in quarter 3/2017, while in quarter 3/2016 the company realized Stock Loss of 62 MB. Performance Analysis for Methyl Ester Business Unit for quarter 3

share (baht) 1.92 Weighted Common Stock (share) 112,000,000.00 10. Opinion of the company-s audit committee and / or director which are different from the opinion of the board of director (no) Your

) May 9, 2018 Re : Report the operating result for the year ended March 31 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

Common Stock (share) 849,080,000 849,080,000 10. Opinion of the company’s audit committee and / or director which are different from the opinion of the board of director (no) Yours faithfully, (Dr. Chamnan