: 0107556000248 No. (SUTHA-SET) 030/2017/Eng 10 November 2017 Subject: Management Discussion and Analysis for period ended 30 September 2017 To: The President of the Stock Exchange of Thailand Attachment

S&P MD&A YE2018-ENG -1- Ref. POL. 029/2019 February 27, 2019 Re: Clarification of the Performance of S & P Syndicate Public Company Limited Dear The President The Stock Exchange of Thailand S & P

-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the three month-period ended March 31, 2019 with details as

Page 1 of 4 No. RJH – SET 11/2019 13 August 2019 Subject : Management’s Discussion and Analysis for the 2nd Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

1 Ref: AC.024/2019 3 August 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

similar to the amount of the same quarter of last year and most of them were the fixed expenses to be paid whereas having low income. Finance Cost The finance cost of the company and subsidiaries was Baht

1 Ref: AC.017/2018 14 May 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

-1- AIT (VP-SEC) 018E/2018 August 9, 2018 Subject: Management's Discussion and Analysis of Operating Results for Q2-2018 To: The President of The Stock Exchange of Thailand Summary of Operations Q2

President The Stock Exchange of Thailand Rajthanee Hospital Public Company Limited (“the Company”) would like to clarify the operating results of the Company and its subsidiaries for the 2nd quarter of 2018