February 28, 2019 Subject: Managing Discussion and Analysis for Year2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for year ended 31 December 2018

Palmer & Turner (Thailand) Ltd MJD.IR.003/2562 28 February 2019 Subject : Clarification of the operating result for the year 2018 ended December 31, 2018 To : Director and Manager The Stock Exchange

) February 27, 2019 Re : Report the operating result for the year ended December 31 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand According to the resolution of the

Microsoft Word - MD&A-E-FA - 1Q - 2019 mh.doc 1 Ref: CSO 012/2019 Date: 7th May 2019 Subject: Management Discussion and Analysis Quarter 1 Ending 31st March 2019 Attention: President The Stock

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

. OCMSET1905/002 May 8, 2019 Subject: Report the operating result for the year ended March 31 ,2019 by more than 20 percent. Dear Director and Manager The Stock Exchange of Thailand According to the resolution

. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

for the three-month period ended March 31, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2019 of Wiik

Ref. PDI/BK-BS-036/2019 10th May 2019 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2019 To: President The Stock Exchange of Thailand PDI reassessed its