an unfavorable condition of the Company’s traditional trade channel because of the terminated contract with the distributor, which was effective since 30 June 2019. Further in this year, the period

Items that has significant changes Balance by Quarter Change Q1–19 Q4–18 Q1–19 VS Q4–18 (MB) (MB) (MB) Trade and Other Payables 1,079.6 642.8 436.8 68.0 Unbilled payables 450.2 484.0 (33.8) (7.0) Advanced

million in the second quarter of 2018. A summary of the Company’s operating performance in the second quarter of 2019 and 2018 is shown in the following table: 2Q19 1Q19 % Change 2Q18 % Change [Amount in

Change Q3–21 Q4–20 Q3–21 VS Q4–20 (MB) (MB) % Trade and other receivables 3,402.90 2,633.90 769.00 29.2 Contract assets 1,147.90 1,303.90 (156.0) (12.0) Inventories 936.90 1,575.90 (639.0) (40.5) Other

( “ the Company” ) would like to submit our management’s discussion and analysis for the fiscal year ended December 31, 2019, as follows: For the year ended December 31 Change 2019 2018 MB MB % Sales

changes Balance by Quarter Change Q1-22 Q4-21 Q1-22 VS Q4-21 (MB) (MB) % Cash and cash equivalent 1,245.4 378.5 866.9 229.0 Other current financial assets – Unit trust 400.5 720.0 (319.5) (44.4) Trade and

Baht As of 30 Sept 2020 % As of 31 Dec 2020 % Change %YoY Assets Cash and cash equivalents 198.27 30.8 34.69 7.8 163.58 471.5 Trade and Other receivables, net 64.29 10.0 105.71 23.9 (41.42) (39.2

partially offset by higher sales volume of all main products as a result of stable operation. The share of domestic and export sales has no significant change comparing with the previous year. * Note Please

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 142/2560 August 8, 2017 Subject: Clarification of the Operating Result for the significant change Attention

assets as of December 31, 2016. Cash increased by 17.8 million baht while trade and other receivable decreased 3.2 million baht. The receivable was mainly from the decreased of the other receivable