Three - Year Review

(millions of U.S. dollars, except per share amounts and ratios)	2007	2006⁽³⁾	2005⁽³⁾
Revenue	$ 6,732	$ 6,519	$ 5,616
Adjusted EBITDA⁽¹⁾	$ 885	$ 604	$ 461
Net Income (Loss)	$ 347	$ (703)⁽⁵⁾	$ (101)
Net Income (Loss) per Common Share⁽⁴⁾
— Basic	$ 4.19	$ (8.52)	$ (1.22)
— Diluted	$ 4.16	$ (8.52)	$ (1.22)
Cash Provided by Operating Activities	$ 329	$ 350	$ 338
Property, Plant and Equipment Additions	$ 156	$ 198	$ 419
Total Assets	$ 4,836	$ 4,077	$ 5,178
Net Debt to Total Capitalization	60.3%	75.9%	59.8%
Return (Loss) on Average Common Equity⁽⁶⁾	43.2%	(55.6)%	(7.5)%
Closing Share Price
— NYSE (U.S. $)	$ 32.40	$ 27.90	$ 33.40
— TSX (Canadian $)	$ 32.27	$ 32.50	$ 38.81

(1) Adjusted EBITDA equals net income (loss) before interest expense, income taxes, depreciation and amortization, other gains and losses, and restructuring charges. See
Supplemental Measures on page 54.
(2) NCX peers include DOW, LYO, EMN from 1999-2006. In 2007, WLK was added and LYO was removed from the peer group.
(3) Certain comparative figures have been restated to conform with adoption of new standards and with current year presentation.
(4) There were 83 million weighted average basic common shares outstanding in 2007, 2006 and 2005, respectively. There were 84 million, 83 million and 83 million
weighted-average diluted common shares outstanding in 2007, 2006 and 2005, respectively.
(5) NOVA Chemicals’ results in 2006 were negatively impacted by restructuring charges totaling $861 million after-tax. See Note 13 on page 95.
(6) Net income (loss) divided by average common equity. See Supplemental Measures on page 54.