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v3.8.0.1

CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
OPERATING REVENUES |  |  |  |  |
Total operating revenues | $ 2,261.1 |  | $ 2,259.2 |  | $ 2,196.9
COST OF SALES |  |  |  |  |
Total cost of sales | 897.6 |  | 880.1 |  | 865.0
OPERATING EXPENSES |  |  |  |  |
Other operation and maintenance | 480.3 |  | 465.6 |  | 451.6
Depreciation and amortization | 283.5 |  | 322.6 |  | 307.9
Taxes other than income | 89.4 |  | 87.6 |  | 91.2
Total operating expenses | 853.2 |  | 875.8 |  | 850.7
Operating income (loss) | 510.3 |  | 503.3 |  | 481.2
OTHER INCOME (EXPENSE) |  |  |  |  |
Equity in earnings of unconsolidated affiliates | 131.2 |  | 101.8 |  | 15.5
Allowance for equity funds used during construction | 39.7 |  | 14.2 |  | 8.3
Other income | 46.4 |  | 26.0 |  | 27.0
Other expense | (14.1) |  | (16.9) |  | (14.3)
Net other income | 203.2 |  | 125.1 |  | 36.5
INTEREST EXPENSE |  |  |  |  |
Interest on long-term debt | 153.6 |  | 143.2 |  | 147.8
Allowance for borrowed funds used during construction | (18.0) |  | (7.5) |  | (4.2)
Interest on short-term debt and other interest charges | 8.2 |  | 6.4 |  | 5.4
Interest expense | 143.8 |  | 142.1 |  | 149.0
INCOME BEFORE TAXES | 569.7 |  | 486.3 |  | 368.7
INCOME TAX (BENEFIT) EXPENSE | (49.3) |  | 148.1 |  | 97.4
NET INCOME | $ 619.0 |  | $ 338.2 |  | $ 271.3
BASIC AVERAGE COMMON SHARES OUTSTANDING | 199.7 |  | 199.7 |  | 199.6
DILUTED AVERAGE COMMON SHARES OUTSTANDING | 200.0 |  | 199.9 |  | 199.6
BASIC EARNINGS PER AVERAGE COMMON SHARE | $ 3.10 | [1] | $ 1.69 | [1] | $ 1.36
DILUTED EARNINGS PER AVERAGE COMMON SHARE | 3.10 | [1] | 1.69 | [1] | 1.36
DIVIDENDS DECLARED PER COMMON SHARE | $ 1.27000 |  | $ 1.15500 |  | $ 1.05000
[1] | Due to the impact of dilution on the earnings per share calculation, quarterly earnings per share amounts may not add to the total.

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