Exhibit 12

Computation of Ratio of Earnings to Fixed Charges

(In Thousands)

	Twelve Months Ended December 31,
	2010			2009			2008			2007			2006
Earnings:
Income from continuing operations before income taxes		467,913			788,345			725,595			428,957			550,920
Fixed charges, as shown below		249,804			69,277			69,402			61,336			50,227
Equity in income of investees		(21,428	)		(15,707	)		(11,140	)		(6,551	)		(1,201	)
Minority Interest—Gas		(11,845	)		(27,425	)		(43,191	)		(25,038	)		(29,608	)
Adjusted Earnings (Loss)		684,444			814,490			740,666			458,704			570,338
Fixed charges:
Interest on indebtedness, expensed or capitalized		218,425			43,290			48,345			45,414			35,818
Interest within rent expense		31,379			25,987			21,057			15,922			14,409
Total Fixed Charges		249,804			69,277			69,402			61,336			50,227
Ratio of Earnings to Fixed Charges		2.74			11.76			10.67			7.48			11.36