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 of the Company and its subsidiaries for

Palmer & Turner (Thailand) Ltd MJD.IR.018/2561 13 November 2018 Subject : Clarification of the operating result for the year 2018 ended September 30, 2018 To : Director and Manager The Stock Exchange

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC005/2018 November 14, 2018 Subject : The company’s operating result of the 3rd quarter of year 2018. To : The president, The Stock

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

exceed 20% (Revised) To : 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

October 28, 2019 To: The President The Stock Exchange of Thailand Re: Q3-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q3-2019 (Jul

2019 To : 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

and 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 13

November 12, 2004 1/3 No: SN. 130/2019 21 November 2019 Subject: Clarification of Operating Results and Financial Position of the year ended September 30, 2019 Attention: President The Stock Exchange