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

) Quick ratio (Time) 1.06 3.39 (2.33) Average collection period 85 80 (5) Days of inventory 206 217 (11) Profitability ratio Gross profit margin (%) 19.07% 26.34% (7.27%) Operating profit margin (%) 0.12

suppliers and contractors for the same. The ordering of the gear was under process with a lead time of 14 months offered from the supplier. However, with quick actioning of the contingency plan by the

1.5 Operating EBITDA (%) 37.9% 16.6% Quick ratio6 (times) 1.5 1.5 Net profit (from operation) (%) 18.5% 5.5% Account receivable turnover (times) 2.6 4.2 Net profit (after MI) 2 (%) 23.7% 5.7% Average

(Restated) 31-Mar-18 Gross profit (%) 58.4% 61.0% Current ratio (times) 0.9 1.8 Operating EBITDA (%) 44.5% 43.0% Quick ratio (times) 0.8 1.2 Cash-to-net profit (%) 94.8% 101.1% Account receivable turnover

(times) 1.8 3.2 Operating EBITDA (%) 45.4% 41.5% Quick ratio (times) 1.2 2.0 Cash-to-net profit (%) 96.8% 53.9% Account receivable turnover (times) 4.1 3.6 Net profit (excl. NCI) (%) 20.3% 20.8% Average

-Mar- 2020 Profitability Ratios Liquidity Ratios Gross profit 1 (%) 33.7% 24.0% Current ratio (times) 1.3 0.8 Operating EBITDA (%) 16.2% -11.2% Quick ratio6 (times) 1.2 0.8 Net profit (incl. minority

, quick response, and strong public health system. Recently, the Global COVID-19 index (GCI) ranks Thailand as the second highest recovery rate of COVID-19 pandemic, and praised by WHO and international