Summary of operations and the factors that make a significant change Summary of Operations for the Year 2018 Topic Annual Balance Change 2018 2017 2018 VS 2017 (MB) (MB) % Total Revenue 4,237.6 5,397.2

, respectively. The decrease of loss decreased due to last year doubtful debt provision as mentioned above. Summary of the 9-month Operating Result as ended 30 September 2017 The 9-month total income as ended 30

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summary of the Company’s operating performance in the second quarter of 2017 and 2016 is shown in the following table: 2Q17 1Q17 %Change 2Q16 %Change [Amount: in Baht Million] Q-o-Q Y-o-Y [2Q17 VS. 1Q17

. A summary of the Company’s operating performance in the third quarter of 2017 and 2016 is shown in the following table: 3Q17 2Q17 %Change 3Q16 %Change [Amount: in Baht Million] Q-o-Q Y-o-Y [3Q17 VS

result of work and financial status, compared with the operation result of the year 2016, as follows: Summary of operation result for the year ending on December 31, 2017 (1) Total income from sales

18.6percent. This was because incurred employee remuneration expenses in subsidiary. Summary of Financial Statement of Positions 30-Sep-19 31-Dec-18 Change %Change Assets Cash and Cash Equivalents 10.3 21.4

จดหมายชี้แจงq260e August 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2017 Summary on Second Quarter

จดหมายชี้แจงq360e November 14, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2017 Summary on third Quarter

จดหมายชี้แจงQ162e May 15, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for the three- month period ended 31 March 2019 Summary of the 1 st