Historical Summary
	Graphs

2011 2010(1) 2009(2) Statements of Earnings (in $ millions) Revenue, including equity income 3,747 3,657 3,641 Energy supply costs and operating expenses 2,562 2,508 2,577 Amortization 419 410 364 Other income (expenses), net 40 13 10 Finance charges 370 362 369 Corporate taxes 80 67 49 Net earnings 356 323 292 Net earnings attributable to non-controlling interests 9 10 12 Net earnings attributable to preference equity shareholders 29 28 18 Net earnings attributable to common equity shareholders 318 285 262 Balance Sheets (in $ millions) Current assets 1,120 1,204 1,124 Goodwill 1,557 1,553 1,560 Other long-term assets 1,263 1,083 917 Utility capital assets, income producing properties and intangible assets 9,622 9,069 8,538 Total assets 13,562 12,909 12,139 Current liabilities 1,320 1,517 1,592 Other long-term liabilities 1,566 1,404 1,288 Long-term debt and capital lease obligations (excluding current portion) 5,679 5,609 5,276 Preference shares (classified as debt) 320 320 320 Total liabilities 8,885 8,850 8,476 Shareholders’ equity 4,677 4,059 3,663 Cash Flows (in $ millions) Operating activities 904 732 681 Investing activities 1,125 991 1,045 Financing activities 390 455 563 Dividends, excluding dividends on preference shares classified as debt 189 172 176 Financial Statistics Return on average book common shareholders’ equity (%) 8.86 8.79 8.41 Capitalization Ratios (%) (year end) Total debt and capital lease obligations (net of cash) 55.0 58.4 60.2 Preference shares (classified as debt and equity) 8.6 9.0 6.9 Common shareholders’ equity 36.4 32.6 32.9 Interest Coverage (x) Debt 2.1 2.0 1.9 All fixed charges 2.0 1.9 1.8 Total Gross Capital Expenditures (in $ millions) 1,174 1,073 1,024 Common Share Data Book value per share (year end) ($) 20.53 18.92 18.61 Average common shares outstanding (in millions) 181.6 172.9 170.2 Basic earnings per common share ($) 1.75 1.65 1.54 Dividends declared per common share ($) 1.170 1.410 0.780 Dividends paid per common share ($) 1.160 1.120 1.040 Dividend payout ratio (%) 66.3 67.9 67.5 Price earnings ratio (x) 19.1 20.6 18.6 Share Trading Summary High price ($) (TSX) 35.45 34.54 29.24 Low price ($) (TSX) 28.24 21.60 21.52 Close price ($) (TSX) 33.37 33.98 28.68 Volume (in thousands) (TSX) 126,341 120,855 121,162

⁽¹⁾  Certain 2010 and 2009 comparative figures have been reclassified to comply with current period classifications, including the reporting of other income (expenses), net separately on the statement of earnings. Figures prior to 2009 have not been restated. Refer to Note 34 of the 2011 Annual Consolidated Financial Statements for further details.