lease office space for the Company and its subsidiaries. To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of

หนังสือแสดงการรับทราบความผิด 14 August 2019 Subject : Management Discussion and Analysis of the second quarter 2019 ended 30 June 2019 Attn. : Director and Manager The Stock Exchange of Thailand

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or Are Purposed to be Traded on Foreign Exchange ___________________ By virtue of Section 16/6 of the Securities and Exchange Act B.E. 2535 (1992) as amended by the Securities and Exchange Act (No. 4

- Translation - Ref : LPH/SET 2018/006 March 15, 2018 Subject : Clarification on the Operating Results for Year 2017 period ended December 31, 2017 To : President The Stock Exchange of Thailand The

Exchange of Thailand The Board of Directors’ Meeting of Ladprao General Hospital Public Company Limited (the “Company” or “LPH”) No. 5/2017, held on Monday, October 2, 2017 at 10.00 am., has passed the

February 22, 2018 SET-18-AC-001 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the year ended 31 December 2017 According to the resolution of BKD’s

Section 103 PAGE 2 Securities and Exchange Act B.E. 2535 Section 103. No securities company shall appoint or allow any person with any of the following prohibited characteristics to be or to perform

Section 103 Securities and Exchange Act B.E. 2535 Section 103. No securities company shall appoint or allow any person with any of the following prohibited characteristics to be or to perform the

Subject: Clarification of 3rd Quarter 2019 operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation