| * | All amounts are in U.S. dollars. |
| (1) | Operating income includes net gain on sale of assets of $185.7 and $65.8 million for 2006 and 2005, respectively, goodwill impairment charges of $200 million in 2006, and asset impairment charges of $48.5 and $82.6 million in 2006 and 2005, respectively. |
| (2) | Total shareholders’ equity decreased in 2006 when compared to 2005 primarily as a result of our 2006 net loss of $138.3 million as well as the adoption of SFAS 158, as described in our 2006 Form 10-K, which reduced our shareholders’ equity by $256.3 million. |
| (3) |
Current ratio equals total current assets divided by total current liabilities. |