ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- 13 May 2019 Subject: Notification of a Related-Party Transaction To: Managing Director of the Stock Exchange of Thailand Please be informed that the Board of

, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 (Translation) 14 May 2019 Subject: Management Discussion and Analysis (MD&A) of Q1/2019 To: Director and manager The Stock Exchange of

. 1 Tambon Tarsit, Amohoe Pluag-daeng, Rayong (Translation) 1 KWM 007/2562 May 14th, 2019 Subject : Management Discussion and Analysis the three month-period ended March 31, 2019 To : President The

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 1 -Translation- No. ED-MD19-007 14th May 2019 Subject : Clarification of changes in excess of 20% in the operating results for year Q1/2019 To : Director

- Translation - LPH/SET/2019/008 May 15, 2019 Re : The Board of Directors’ resolution Notification on acquisition of shares of New Company. To : President The Stock Exchange of Thailand Ladprao

19 เมษายน 2539 (TRANSLATION) Tor. For. 7 / 2019 May 15, 2019 Subject : Submission of the Financial Statements for Q1/2019 and clarification on the Company’s Operating Results. To : President of the

) ( Translation ) Ref. AIT/19 - 246 July 5, 2019 Subject : Report on the Board of Directors’ resolution to sell shares in subsidiary To : The President The Stock Exchange of Thailand JCK International Public

Microsoft Word - CS 2562-011 Q2 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-011/2562 August 7, 2019 Subject : Report on the Company’s operating results of the second quarter of the year 2019 To

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

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 1 -Translation- No. ED-MD19-015 9th August 2019 Subject : Clarification of changes in excess of 20% in the operating results for year Q2/2019 To : Director