Microsoft Word - CS 2561-015 Q2 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-015/2561 August 10, 2018 Subject : Report on the Company’s operating results of the second quarter of the year 2018 To

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 1 -Translation- No. ED-MD18-014 14th August 2018 Subject : Clarification of changes in excess of 20% in the operating results for year Q2/2018 To : Director

1 - TRANSLATION - KT/KP (Q-CON) 007/2018 November 1st , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30

Microsoft Word - CS 2561-016 Q3 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-016/2561 November 7, 2018 Subject : Report on the Company’s operating results of the third quarter of the year 2018 To

- Translation - MPIC 019/2018 November 7, 2018 Subject: Submit the Financial Statement for the quarter ended September 30, 2018 and clarification for the change of operating result more than 20

, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 (Translation) 12 November 2018 Subject: Management Discussion and Analysis (MD&A) for the third quarter ended 30 September 2018 To: Director

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1 - TRANSLATION - KT/PB (Q-Con) 025/2019 November 1, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30 September

- Translation - MPIC 022/2019 November 6, 2019 Subject: Submit the Financial Statement for the quarter ended September 30, 2019 and clarification for the change of operating result more than 20