วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC002/2018 February 28, 2018 Subject : The company’s operating result of the year 2017. To : The president, The Stock Exchange 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

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

1 / 4 (Translation) PRG.MD. 040/2019 May 14th, 2019 Subject: Management Discussion and Analysis (MD&A) Q1/2019 Attention: Managing Director of the Stock Exchange of Thailand We, Patum Rice Mill and

Exchange of Thailand N.C. Housing Public Company Limited (“NCH”) would like to report that according to the resolution of the Board of Directors’ Meeting No. 3/2019 held on 10 July 2019 resolved to approved

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