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

25 April 2019 To: The President The Stock Exchange of Thailand Re: Q1-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q1-2019 (Jan-Mar

: The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for the first

Palmer & Turner (Thailand) Ltd MJD.IR.009/2562 14 May 2019 Subject : Clarification of the operating result for the year 2019 ended March 31, 2019 To : Director and Manager The Stock Exchange of

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

1 NO. NCH 024/2562 July 11, 2019 Subject : Notice of setting up a new subsidiary under joint venture agreement to cover intermediate care and wellness business Attn. : Director and Manager The Stock

30 July 2019 To: The President The Stock Exchange of Thailand Re: Q2-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2019 (Apr-Jun

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.4/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 8 August

: The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries (collectively as