) November 8, 2017 Re : Report the operating result for the year ended September 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

15 November 2017 Subject: Management Discussion and Analysis for the 9-Month Period Ended September 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

February 27, 2018 Subject Management Discussion and Analysis for the Year 2017 Ending December 31, 2017 To President and Director The Stock Exchange of Thailand Electronics Industry Public Company Limited

หนังสือแสดงการรับทราบความผิด 28 February 2018 Subject : Management Discussion and Analysis of the year ended 31 December 2017 Attn. : Director and Manager The Stock Exchange of Thailand Encls. : A

law on concerning agricultural futures trading; (18) international financial institution; (19) Deposit Protection Agency; (20) Stock Exchange of Thailand; (21) juristic person in the category of

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

Management Discussion and Analysis for the first quarter ended March 31, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the first quarter

15, 2019 Subject: MD&A for the financial statements of the 1st quarter of fiscal year 2019 ended as of March 31, 2019 To: The President The Stock Exchange of Thailand Aapico Hitech Public Company

ended March 31, 2019 To The President and Director The Stock Exchange of Thailand Dear Sirs, Finansia Syrus Securities Public Company would like to disclose the reviewed separated and consolidated