Palmer & Turner (Thailand) Ltd MJD.IR.002/2563 25 February 2020 Subject : Clarification of the operating result for the year 2019 ended December 31, 2019 To : Director and Manager The Stock Exchange

1 Ref : JSP/17/08/02 15 August 2017 Subject : Report the operating result for the quarter 2 Ending June 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

No.IFEC/SorNorBor/2017/0051 August 25, 2017 Subject: Submission of operation results for the year of 2016 and clarification. To: President The Stock Exchange of Thailand Inter Far East Energy

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 (revise) To : The Director and Manager The Stock Exchange of Thailand J.S.P

Palmer & Turner (Thailand) Ltd MJD.IR.029/2017 13 November 2017 Subject : Clarification of the operating result for the year 2017 ended September 30, 2017 To : Director and Manager The Stock Exchange

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

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

Palmer & Turner (Thailand) Ltd MJD.IR.010/2562 13 August 2019 Subject : Clarification of the operating result for the year 2019 ended June 30, 2019 To : Director and Manager The Stock Exchange of