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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
OPERATING REVENUES | $ 549.9 | $ 611.8 | $ 1,030.0 | $ 1,172.2
COST OF SALES | 210.9 | 270.9 | 422.5 | 564.3
OPERATING EXPENSES |  |  |  |
Other operation and maintenance | 113.2 | 111.4 | 224.9 | 223.8
Depreciation and amortization | 76.2 | 68.3 | 152.1 | 135.5
Taxes other than income | 22.4 | 19.4 | 46.9 | 45.0
Total operating expenses | 211.8 | 199.1 | 423.9 | 404.3
OPERATING INCOME | 127.2 | 141.8 | 183.6 | 203.6
OTHER INCOME (EXPENSE) |  |  |  |
Equity in earnings of unconsolidated affiliates | 28.2 | 39.3 | 59.9 | 87.2
Allowance for equity funds used during construction | 1.7 | 0.8 | 3.2 | 1.9
Other income | 5.6 | 3.1 | 10.5 | 4.5
Other expense | (2.2) | (2.1) | (3.2) | (5.4)
Net other income | 33.3 | 41.1 | 70.4 | 88.2
INTEREST EXPENSE |  |  |  |
Interest on long-term debt | 37.0 | 37.8 | 73.9 | 72.9
Allowance for borrowed funds used during construction | (0.8) | (0.5) | (1.6) | (1.1)
Interest on short-term debt and other interest charges | 1.8 | 2.1 | 3.1 | 3.5
Interest expense | 38.0 | 39.4 | 75.4 | 75.3
INCOME BEFORE TAXES | 122.5 | 143.5 | 178.6 | 216.5
INCOME TAX EXPENSE | 35.0 | 42.7 | 47.9 | 66.4
NET INCOME | $ 87.5 | $ 100.8 | $ 130.7 | $ 150.1
BASIC AVERAGE COMMON SHARES OUTSTANDING | 199.6 | 199.2 | 199.6 | 199.0
DILUTED AVERAGE COMMON SHARES OUTSTANDING | 199.6 | 200.0 | 199.6 | 199.8
BASIC EARNINGS PER AVERAGE COMMON SHARE | $ 0.44 | $ 0.51 | $ 0.66 | $ 0.75
DILUTED EARNINGS PER AVERAGE COMMON SHARE | 0.44 | 0.50 | 0.66 | 0.75
DIVIDENDS DECLARED PER COMMON SHARE | $ 0.25000 | $ 0.22500 | $ 0.50000 | $ 0.45000

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