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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
OPERATING REVENUES |  |  |  |
Electric Utility operating revenues | $ 723.2 | $ 721.0 | $ 1,753.3 | $ 1,675.7
Natural Gas Midstream Operations operating revenues (Note 1) | 0 | 392.4 | 605.5 | 1,133.4
Total operating revenues | 723.2 | 1,113.4 | 2,358.8 | 2,809.1
COST OF GOODS SOLD (exclusive of depreciation and amortization shown below) |  |  |  |
Electric Utility cost of goods sold | 273.0 | 259.8 | 715.2 | 636.1
Natural Gas Midstream Operations cost of goods sold (Note 1) | 0 | 279.8 | 481.4 | 798.1
Total cost of goods sold | 273.0 | 539.6 | 1,196.6 | 1,434.2
Gross margin on revenues | 450.2 | 573.8 | 1,162.2 | 1,374.9
OPERATING EXPENSES |  |  |  |
Other operation and maintenance | 102.2 | 147.1 | 372.2 | 447.7
Depreciation and amortization | 65.4 | 93.0 | 231.7 | 270.1
Impairment of assets | 0 | 0 | 0 | 0.3
Gain on insurance proceeds | 0 | 0 | 0 | (7.5)
Taxes other than income | 21.7 | 29.7 | 78.1 | 84.7
Total operating expenses | 189.3 | 269.8 | 682.0 | 795.3
OPERATING INCOME | 260.9 | 304.0 | 480.2 | 579.6
OTHER INCOME (EXPENSE) |  |  |  |
Equity in earnings of unconsolidated affiliates (Note 1) | 46.0 | 0 | 64.5 | 0
Allowance for equity funds used during construction | 1.7 | 1.3 | 4.4 | 4.9
Other income | 6.2 | 2.6 | 25.4 | 12.8
Other expense | (5.2) | (5.6) | (15.9) | (11.1)
Net other income (expense) | 48.7 | (1.7) | 78.4 | 6.6
INTEREST EXPENSE |  |  |  |
Interest on long-term debt | 35.0 | 40.2 | 110.7 | 118.3
Allowance for borrowed funds used during construction | (0.9) | (0.8) | (2.3) | (2.8)
Interest on short-term debt and other interest charges | (0.4) | 2.2 | 3.8 | 6.6
Interest expense | 33.7 | 41.6 | 112.2 | 122.1
INCOME BEFORE TAXES | 275.9 | 260.7 | 446.4 | 464.1
INCOME TAX EXPENSE | 60.7 | 68.3 | 110.2 | 122.6
NET INCOME | 215.2 | 192.4 | 336.2 | 341.5
Less: Net income attributable to noncontrolling interests | 0 | 6.9 | 6.2 | 25.0
NET INCOME ATTRIBUTABLE TO OGE ENERGY | $ 215.2 | $ 185.5 | $ 330.0 | $ 316.5
BASIC AVERAGE COMMON SHARES OUTSTANDING | 198.4 | 197.4 | 198.1 | 197.0
DILUTED AVERAGE COMMON SHARES OUTSTANDING | 199.7 | 198.3 | 199.3 | 197.9
BASIC EARNINGS PER AVERAGE COMMON SHARE ATTRIBUTABLE TO OGE ENERGY COMMON SHAREHOLDERS | $ 1.08 | $ 0.94 | $ 1.67 | $ 1.61
DILUTED EARNINGS PER AVERAGE COMMON SHARES ATTRIBUTABLE TO OGE ENERGY COMMON SHAREHOLDERS | $ 1.08 | $ 0.94 | $ 1.66 | $ 1.60
DIVIDENDS DECLARED PER COMMON SHARE | $ 0.20875 | $ 0.19625 | $ 0.62625 | $ 0.58875

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