set-q4-61 (Translation) Ref.No.LEE 02/2019 27 February, 2019 Subject : Management Discussion and Analysis for the year ended December 31, 2018 To : President of The Stock Exchange of Thailand We

จดหมายชี้แจงปี61e February 27, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2018 Summary of operating result between 2018

Thailand Subject : The clarification about company’s net earning Q1/2019 Dear Sir, The quarterly operating result ended on March 31, 2019 is Baht 6.73 million loss on Baht 3.85 million revenues compared with

of Thailand Subject : The clarification about company’s net earning Q2/2019 Dear Sir, The quarterly operating result ended on June 30, 2019 is Baht 27.94 million loss on Baht 1.92 million revenues

Our Ref: No.V. 027/ /2019 August 14,2019 Subject : Explanation for operation of second quarter of year 2019 Attn : Managing Director The Stock Exchange of Thailand Enclosed please find the financial

จดหมายชี้แจงQ161e May 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 31 March 2018 Summary of the 1 st Quarter

of Thailand Subject : The clarification about company’s net earning Q3/2018 Dear Sir, The quarterly operating result ended on September 30, 2018 is Baht 4.16 million loss on Baht 8.93 million revenues

set-q3-61 (Translation) LEE 13/2018 14 November 2018 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2018 To : President of The Stock Exchange of Thailand We

Our Ref: No.V. 030 /2019 November 14,2019 Subject : Explanation for operation of third quarter of year 2019 Attn : Managing Director The Stock Exchange of Thailand Enclosed please find the financial

Microsoft Word - ชี้แจงเกิน20% Q4'62-EN Date : February 28, 2020 Subject : The Explanation to SET concerning the operating result for the year 2019 more than 20% Attention : The Director and Manager