of the company 393.47 202.01 191.46 94.78 Basic Loss Per Share (Baht) -0.16 -0.09 Gross Margin -16.39% 4.53% Net Profit Margin -82.23% -15.27% Debt to Equity Ratio (Time) 2.14 1.78 Total Expenses

Quarter Quarter Quarter 1/2017 4/2017 1/2018 Current ratio 0.52 0.54 0.59 Debt to Equity ratio 2.00 2.19 1.77 Interest Bearing Debt ratio 0.58 1.13 1.13 Return on Asset 20.3% 14.6% 13.3% Return on Equity

Current ratio 0.54 0.51 0.58 0.54 0.58 Debt to Equity ratio 2.19 2.47 2.13 2.19 2.13 Interest Bearing Debt ratio 1.13 1.21 0.99 1.13 0.99 Return on Asset 14.6% 13.9% 14.3% 14.6% 14.3% Return on Equity 43.1

1Q19 and 2Q19 for BT294.76mn. and dividend payment of Bt249.60mn. Key Financial Ratio Quarter Quarter Quarter 2/2018 1/2019 2/2019 Current ratio 0.53 0.63 0.61 Debt to Equity ratio 2.35 1.75 1.84

and its subsidiaries recorded current ratio of 0.65x, approximately close to 0.64x of 31 December 2019. Debt to Equity Ratio As at 31 March 2020, the Company and its subsidiaries recorded Interest

year. Interest-bearing Debt to Equity As at 31 March 2019, the Company and its subsidiaries recorded Interest-bearing Debt to Equity (IBD/E) of 2.14x, an increase from 2.00x as at the end of last year

figure at the end of last year. Interest-bearing Debt to Equity As at 31 March 2019, the Company and its subsidiaries recorded Interest-bearing Debt to Equity (IBD/E) of 2.14x, an increase from 2.00x as at

14,329.7mn, an increase of THB 3,871.8mn from the previous year • Net debt to Equity ratio3 as of 31 December 2018 equals 0.96 times Operating result Q4/18 and 2018 Revenue and Backlog2 Source of income (Unit

profit in 2016 and dividend payment. Key Financial Ratio Financial Ratio 2016 2017 Current ratio 0.59 0.54 Debt to Equity ratio 1.69 2.19 Interest Bearing Debt ratio 0.77 1.13 Return on Asset 15.5% 14.6

attributable to owners of the parent (%) 14.0 12.8 Return on equity (%) - trailing 28.3 67.0 Return on assets (%) - trailing 15.8 16.8 Other Ratios Total debt to equity (times) 0.3 3.1 The Company’s gross profit