| Notes | 2014 | 2013 | |
| S$’000 | S$’000 | ||
| Operating revenue | 4 | 1,076,344 | 1,007,888 |
| Operating expenses | 5 | (857,115) | (812,391) |
| Other income | 6 | 1,888 | 1,754 |
| Operating profit | 221,117 | 197,251 | |
| Finance costs | 7 | (4,043) | (4,455) |
| Profit before tax | 217,074 | 192,796 | |
| Taxation | 8 | (41,296) | (32,586) |
| Net profit for the year | 175,778 | 160,210 | |
| Other comprehensive income: | |||
| Item that may be reclassified subsequently to profit or loss | |||
| Net fair value changes on interest rate swap | – | 196 | |
| Total comprehensive income for the year | 175,778 | 160,406 | |
| Earnings per share (cents) | 9 | ||
| Basic | 18.9 | 17.4 | |
| Diluted | 18.8 | 17.4 | |
| EBITDA (S$’000) | 10 | 335,526 | 312,304 |