RP-AC 002/2018 MAY 14, 2018 Subject: Clarification of the operating results for the first quarter of 2018 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company

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.014/2561 15 May 2018 Subject : Clarification of the operating result for the year 2018 ended March 31, 2018 To : Director and Manager The Stock Exchange of

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

Palmer & Turner (Thailand) Ltd MJD.IR.016/2561 14 August 2018 Subject : Clarification of the operating result for the year 2018 ended June 30, 2018 To : Director and Manager The Stock Exchange of

. Attention: President The Stock Exchange of Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public Company Limited (“the Company”) No. 5/2018, held on 23rd August 2018, has approved

Ref. PDI/BK-BS-076/2018 7th November 2018 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2018 To: President The Stock Exchange of

: President The Stock Exchange of Thailand The Meeting of the Board of Directors of KGI Securities (Thailand) Public Company Limited (“the Company”) No. 6/2018, held on 8th November 2018, has approved the

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

1/3 REF: SET-2018-018 November 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2018 To President The Stock Exchange of Thailand Filter Vision Public Company Limited