13 May 2019 Subject: Management Discussion and Analysis for the Quarter 1 Ending 31 March 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting

12th May 2020 Subject: Management Discussion and Analysis for the three-month period ending 31st March 2020. Attention: President Stock Exchange of Thailand Please find below the additional

certified public auditor as follows: Overall performance results of the Company for the year ended 31 December 2018, compared to the same period of the previous year were highlighted as below; (Unit : Million

highlighted below; (Unit : Million Baht) Separate financial statements Q1/2019 Q1/2018 % Change Sales and Service Income 485 467 4 Cost of Sales and Services 388 384 1 Selling and Administrative Expenses 44 51

22 February 2019 Please find below the additional information supporting our financial statements for period ended December 31, 2018. Total revenues decreased slightly to THB 1,132 million from THB

, Please find below the additional information in supportive of our financial statements for the period ended 31 December, 2017. - Total revenues increased marginally from the previous year to 1,140.6

between April and June 2019 with the details below. Summary of Income Statement for 3 months period (Unit: Million Baht) For the second quarter Changes Year 2019 Year 2018 Amount Percent Revenue from Sales

like to clarify the overall operation of the Company and its subsidiary company for the third quarter of 2019 between July and September 2019 with the details below. Summary of Income Statement for 3

public auditor as follows: Overall performance results of the Company for the year ended 31 December 2019, compared to the same period of the previous year were highlighted as below; (Unit : Million Baht

Baht unless otherwise stated) Quarter 2 Change 2019 2018 Amount % Change Total Revenues 4,759 4,283 476 11.11% Sales and service income 4,613 4,004 610 15.23% Other income 140 195 -55 -28.20% Interest