AC0815/2017 August 15, 2017 Subject: Management Discussion and Analysis for Q2/2017 To: Managing Director The Stock Exchange of Thailand The company would like to report the operation results for the

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

ที่ BCH No. BCH.174/2017 15 August 2017 Subject : Explanation of the change in operating results of Q2/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

ที่ BCH No. BCH.211/2017 8 November 2017 Subject : Explanation of the change in operating results of Q3/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

November 10, 2017. Re: Management Discussion and Analysis for the period 3 months September 30, 2017. To: The Registrar, Stock Exchange of Thailand. Patkol Public Company Limited : Management

: President of the Stock Exchange of Thailand The Board of Directors’ Meeting No. 6/2017 of Jasmine Telecom Systems Public Company Limited (the “Company”) held on November 13, 2017, has resolved to approve the

and General Manager The Stock Exchange of Thailand Eureka Design Public Company Limited and its subsidiaries (“the Group”) would like to clarify the changes in excess of 20% in the Group’s operating

หน้า 1 จาก 1 PAP_SET18004 Translation February 22, 2018 Subject: Management explanation and analysis for Year ended 31 December 2017 Attn: The Managing Director, the Stock Exchange of Thailand

จดหมายชี้แจงปี60e February 22, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2017 Summary of operating result between 2017

บริษัท สำนักกฎหมายธรรมนิติ จำกัด Page 1 of 2 No. NDR006/2018 Date: 23 February 2018 Subject Management Discussion and Analysis (MD&A) Report for Q4/2017 Attention Directors and Manager, The Stock