CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014
OPERATING REVENUES	$ 719.8		$ 754.7		$ 1,749.8		$ 1,926.9
COST OF SALES	259.8		305.3		682.3		869.6
OPERATING EXPENSES
Other operation and maintenance	109.4		108.1		334.3		331.9
Depreciation and amortization	77.9		71.7		230.0		207.2
Taxes other than income	21.9		21.5		68.8		66.5
Total operating expenses	209.2		201.3		633.1		605.6
OPERATING INCOME	250.8		248.1		434.4		451.7
OTHER INCOME (EXPENSE)
Equity in earnings of unconsolidated affiliates	(71.9)	[1]	44.7	[1]	(12.0)	[2]	131.9	[2]
Allowance for equity funds used during construction	2.2		1.1		5.4		3.0
Other income	8.9		7.2		19.4		11.7
Other expense	(5.3)		(5.8)		(8.5)		(11.2)
Net other income	(66.1)		47.2		4.3		135.4
INTEREST EXPENSE
Interest on long-term debt	37.0		36.3		110.9		109.2
Allowance for borrowed funds used during construction	(1.1)		(0.6)		(2.7)		(1.7)
Interest on short-term debt and other interest charges	1.1		1.5		4.2		5.0
Interest expense	37.0		37.2		112.4		112.5
INCOME BEFORE TAXES	147.7		258.1		326.3		474.6
INCOME TAX EXPENSE	36.5		70.8		84.4		137.2
NET INCOME	$ 111.2		$ 187.3		$ 241.9		$ 337.4
BASIC AVERAGE COMMON SHARES OUTSTANDING	199.7		199.3		199.6		199.1
DILUTED AVERAGE COMMON SHARES OUTSTANDING	199.7		200.2		199.6		199.9
BASIC EARNINGS PER AVERAGE COMMON SHARE	$ 0.55		$ 0.94		$ 1.21		$ 1.69
DILUTED EARNINGS PER AVERAGE COMMON SHARE	0.55		0.94		1.21		1.69
DIVIDENDS DECLARED PER COMMON SHARE	$ 0.27500		$ 0.25000		$ 0.77500		$ 0.70000

[1] The Company recorded a $108.4 million pre-tax charge during the three months ended September 30, 2015 for its share of Enable's goodwill impairment, as adjusted for the basis differences. See Note 3 for further discussion of Enable's goodwill impairment.

[2] The Company recorded a $108.4 million pre-tax charge during the nine months ended September 30, 2015 for its share of Enable's goodwill impairment, as adjusted for the basis differences. See Note 3 of this Form 10-Q for further discussion of Enable's goodwill impairment.