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

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

million baht 1,247 1,247 1,247 ratios Key financial Liquidity ratios Current ratio times 3.09 3.14 3.31 Quick ratio times 2.35 2.47 2.67 Cash ratio times 0.37 0.45 0.68 Receivable turnover times 4.71 4.67

) 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

profit 1 (%) 56.1% 63.3% Current ratio (times) 0.9 1.1 EBITDA (%) 33.2% 36.2% Quick ratio6 (times) 0.9 1.5 Net profit (from FS) (%) 25.6% 22.0% Account receivable turnover (times) 2.9 4.5 Net profit (after

(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