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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
OPERATING REVENUES | $ 551.4 | $ 549.9 | $ 984.5 | $ 1,030.0
COST OF SALES | 197.7 | 210.9 | 375.6 | 422.5
OPERATING EXPENSES |  |  |  |
Other operation and maintenance | 127.6 | 113.2 | 241.5 | 224.9
Depreciation and amortization | 80.1 | 76.2 | 158.6 | 152.1
Taxes other than income | 20.1 | 22.4 | 45.0 | 46.9
Total operating expenses | 227.8 | 211.8 | 445.1 | 423.9
OPERATING INCOME | 125.9 | 127.2 | 163.8 | 183.6
OTHER INCOME (EXPENSE) |  |  |  |
Equity in earnings of unconsolidated affiliates | 16.7 | 28.2 | 45.0 | 59.9
Allowance for equity funds used during construction | 3.7 | 1.7 | 5.3 | 3.2
Other income | 7.6 | 5.6 | 13.2 | 10.5
Other expense | (5.8) | (2.2) | (7.5) | (3.2)
Net other income | 22.2 | 33.3 | 56.0 | 70.4
INTEREST EXPENSE |  |  |  |
Interest on long-term debt | 35.7 | 37.0 | 71.5 | 73.9
Allowance for borrowed funds used during construction | (1.8) | (0.8) | (2.7) | (1.6)
Interest on short-term debt and other interest charges | 2.1 | 1.8 | 3.5 | 3.1
Interest expense | 36.0 | 38.0 | 72.3 | 75.4
INCOME BEFORE TAXES | 112.1 | 122.5 | 147.5 | 178.6
INCOME TAX EXPENSE | 40.6 | 35.0 | 50.8 | 47.9
NET INCOME | $ 71.5 | $ 87.5 | $ 96.7 | $ 130.7
BASIC AVERAGE COMMON SHARES OUTSTANDING | 199.7 | 199.6 | 199.7 | 199.6
DILUTED AVERAGE COMMON SHARES OUTSTANDING | 199.8 | 199.6 | 199.8 | 199.6
BASIC EARNINGS PER AVERAGE COMMON SHARE | $ 0.35 | $ 0.44 | $ 0.48 | $ 0.66
DILUTED EARNINGS PER AVERAGE COMMON SHARE | 0.35 | 0.44 | 0.48 | 0.66
DIVIDENDS DECLARED PER COMMON SHARE | $ 0.27500 | $ 0.25000 | $ 0.55000 | $ 0.50000

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