15 May 2018 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

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

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC003/2018 MAY 15, 2018 Subject : The company’s operating result of the 1st quarter of year 2018. To : The president, The Stock Exchange

Justification_E_1-61 NO. AC. 002/2018 15 May 2018 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

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

24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation public company limited ("the Company") and its

No. 256108004 6 August 2018 Subject: Management Discussion and Analysis for 6-month period ended 30 June 2018 To: President The Stock Exchange of Thailand M Vision Public Company Limited (“the

Stock Exchange of Thailand Pursuant to JAS Asset Public Company Limited (the “Company”) Meeting Resolution No. 4/2018 on 8 August 2018, the resolution to certify the Company’s financial statements and

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