August 14, 2019 Subject: Managing Discussion and Analysis for Q2/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

-Translation- No. ECF2 041/2561 12 November 2018 Subject: Management Discussion and Analysis of the 3rd quarter ended September 30, 2018 To President The Stock Exchange of Thailand East Coast

Page 1 of 2 No. ACC6011/001 November 14, 2017 Subject: Explanation of Financial Performance for the Quarter 3/2017 ended September 30, 2017 To: President, The Stock Exchange of Thailand According to

the Stock Exchange of Thailand (SET) or any other organised and regulated exchange in Thailand, e.g. ETF) Representative 20) Name of proposed representative in Thailand

Microsoft Word - MDA Q119 EN May 8, 2019 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent Taokaenoi

1 27 May 2019 Subject: Explanation of operating result in the financial statement ended 31 March 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement of FY

November 11, 2019 SET-19-AC-004 Dear The President The Stock Exchange of Thailand Subject : Clarification of Result’s Operation for the nine months ended September 30, 2019 According to the

February 28, 2020 Subject: Managing Discussion and Analysis for Year2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

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1 - TRANSLATION - KT/PB (Q-Con) 020/2019 August 7, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2019