Key Financial Ratios 2018/19 2017/18 2016/17 2015/16 2014/15+
Profitability ratios
Gross operating profit margin (%) 16.4% 41.0% 51.9% 60.4% 55.5%
Operating EBITDA margin (%) 12.7% 29.0% 34.0% 42.9% 39.9%
Recurring net profit margin (%) 9.8% 16.0% 15.4% 29.2% 28.2%
Net profit margin (%) 5.8% 24.6% 20.1% 41.9% 32.6%
ROA (%) 2.8% 4.5% 2.8% 6.7% 5.0%
ROE (%) 7.2% 10.5% 4.9% 8.9% 6.4%
Liquidity Ratio  
Current Ratio (times) 0.51x 0.93x 1.38x 0.81x 3.83x
Leverage  
Interest bearing debt to equity (times) 1.39x 1.02x 0.85x 0.20x 0.09x
Adjusted net debt1 to equity (times) 1.03x 0.37x 0.13x (0.13)x (0.11)x
Adjusted net debt1 to operating EBITDA (times) 7.43x 3.02x 1.72x (1.93)x (1.96)x
Interest coverage (times) 3.70x 3.31x 4.55x 9.30x 8.68x
Per share ratios 2  
Earnings per share (THB) 0.24 0.37 0.17 0.35 0.25
Book value per share (THB) 4.40 3.91 3.82 3.96 4.38

1 *Adjusted net debt: Calculated based on interest bearing debt - cash and cash equivalent and liquid investment
2 per share ratios, calculated based on numbers of shares with par value at THB 4 per share

Key Financial Ratios 2Q 19/20 1Q 19/20 4Q 18/19 3Q 18/19 2Q 18/19 1Q 18/19
Profitability ratios
Gross operating profit margin (%) 21.0% 24.0% 22.6% 12.1% 11.6% 48.9%
Operating EBITDA margin (%) 16.0% 18.3% 17.1% 9.8% 8.9% 37.4%
Recurring net profit margin (%) 9.4% 10.5% 13.4% 5.1% 9.4% 22.1%
Net profit margin (%) 10.7% 9.6% 6.1% 6.1% 4.1% 12.0%
ROA (%) 3.3% 2.9% 2.8% 4.4% 4.4% 4.6%
ROE (%) 8.2% 7.2% 7.2% 10.8% 10.3% 10.1%
Liquidity Ratio            
Current Ratio (times) 0.65x 1.05x 0.51x 0.58x 0.88x 0.95x
Leverage            
Interest bearing debt to equity (times) 1.18x 1.32x 1.39x 1.19x 1.15x 1.02x
Adjusted net debt1 to equity (times) 0.90x 0.82x 1.03x 0.74x 0.56x 0.39x
Adjusted net debt1 to recurring EBITDA (times) 8.34x 8.08x 8.77x 5.75x 5.85x 4.32x
Interest coverage (times) 3.10x 2.96x 5.46x 4.09x 3.52x 3.67x
Per share ratios 2            
Earnings per share (THB) 0.10 0.08 0.05 0.10 0.06 0.03
Book value per share (THB) 5.22 5.49 4.41 4.52 4.25 4.10

1 *Adjusted net debt: Calculated based on interest bearing debt - cash and cash equivalent and liquid investment
2 per share ratios, calculated based on numbers of shares with par value at THB 4 per share