-term investment, Oil Storage Service etc. The Company and its subsidiaries had revenue from Other Income in the 3rd quarter of 2021 and the 3rd quarter of 2020 for 1.04 million Baht and 1.03 million Baht

scrap materials, gain on changes in fair value of short-term investment, Oil Storage Service etc. The Company and its subsidiaries had revenue from Other Income in 2021 and 2020 for 6.55 million Baht and

Other Income consist of sales of scrap materials, interest income, gain on changes in fair value of short-term investment, oil storage service etc. For 3rd quarter of 2022, the Company and its

common control basis. 2017 2018 2017 2018 Profitability Ratios Liquidity Ratios Gross profit 1 (%) 58.3% 48.5% Current ratio (times) 1.4 1.5 Operating EBITDA (%) 36.5% 25.4% Quick ratio6 (times) 1.4 1.5

31-Dec 2018 (Restated) 31-Dec 2019 Profitability Ratios Liquidity Ratios Gross profit 1 (%) 46.9% 35.6% Current ratio (times) 1.6 1.3 Operating EBITDA (%) 26.0% 15.5% Quick ratio6 (times) 1.6 1.3 Net

2016/17 (Restated) 1Q 2017/18 Liquidity Ratios 1Q 2016/17 (Restated) 1Q 2017/18 Gross profit 1 (%) 59.1% 58.2% Current ratio (times) 0.9 0.8 Operating EBITDA (%) 70.9% 41.4% Quick ratio6 (times) 0.8 0.7

EBITDA (%) 40.4% 45.4% Quick ratio (times) 0.8 0.7 Cash-to-net profit (%) 99.2% 96.4% Account receivable turnover (times) 4.9 4.3 Net profit (excl. NCI) (%) 23.9% 20.3% Average collection period (days

Gross profit 1 (%) 55.1% 58.2% Current ratio (times) 2.0 1.4 Operating EBITDA (%) 23.5% 37.3% Quick ratio6 (times) 2.0 1.4 Net profit (from operation) (%) 14.1% 24.3% Account receivable turnover (times

-Dec-17 Gross profit (%) 57.2% 60.6% Current ratio (times) 0.9 1.9 Operating EBITDA (%) 32.1% 38.0% Quick ratio (times) 0.8 1.8 Cash-to-net profit (%) 128.9% 100.9% Account receivable turnover (times

expected approximately 100k by the end of 2020. However, quick development on 5G ecosystem, especially sharp decline in handset price, will accelerate no. of 5G users and other revenue on 5G related service