. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

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

31, 2019 To: Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 3/2019 of General Engineering Public Company Limited (“the Company” ) held on May 14, 2019 has

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

Acc. 004/2019 August 8, 2019 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2019 Dear Sir, S. Khonkaen Foods Public Company Limited

No. CC20190804ELE August 13, 2019 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June, 2019 Attn: The President 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

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

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