Current ratio (time) 1.26 1.13 0.13 Leverage ratio Interest bearing debt to equity (time) 0.35 0.37 (0.02) Net debt to equity (time) 0.85 0.80 0.05 Interest coverage ratio (time) 14.51 14.66 (0.14) 2018

revenue from sales / Number of days in the period 1 ) Accounts payable days = Ending account payables / (Cost of sales of goods / Number of days in the period 1 ) Leverage Ratios Debt to equity (times

% 27.4% Net profit margin 0.1% 13.5% Efficiency ratio 31-Mar-19 31-Mar-18 Return on equity* 1.2% 7.6% Return on asset* 2.5% 6.6% Liquidity ratio 31-Mar-19 31-Dec-18 Current ratio (time) 1.06 1.35 Leverage

) 5.62 3.88* 1.74 *Excluding gain on disposal of investment totalling 14,162 million Baht Leverage Ratio and Liquidity Ratio Quarter 1 2019 Quarter 4 2018 Change Increase/(Decrease) Debt to equity ratio

collection period7 (days) 139 86 Return on equity3 (%) 21.9% 10.5% Payable days (days) 157 134 Efficiency Ratios Leverage Ratios Return on assets4 (%) 15.0% 9.1% Liability to Equity (times) 0.5 0.6 Return on

MI) 2 (%) 25.6% 22.3% Average collection period7 (days) 80 58 Return on equity3 (%) 11.8% 20.1% Payable days (days) 98 143 Efficiency Ratios Leverage Ratios Return on assets4 (%) 9.8% 16.7% Liability

% Payable days (days) 97.6 107.2 Efficiency Ratios Leverage Ratios Return on assets (%) 8.5% 7.4% Liability to equity (times) 0.6 0.3 Return on fixed assets (%) 60.1% 72.7% Debt to equity (times) 0.3 0.1

) Profit Ratio before FX (%) 14.69 18.12 (3.43) Profit before FX per share (Baht) 4.35 5.88 1.53 Leverage Ratio and Liquidity Ratio Quarter 2 2018 Quarter 1 2018 Change Increase/(Decrease) Debt to equity

Ratio before FX (%) 29.28 32.19 (2.91) Profit Ratio before FX (%) 15.64 17.41 (1.77) Profit before FX per share (Baht) 4.88 5.71 (0.83) Leverage Ratio and Liquidity Ratio Quarter 3 2018 Quarter 2 2018

reductions; and 4) ramp up assets utilization. We are confident that these measures will leverage our business performances as a whole and we will grow stronger. All these efforts and changes will be an