Exhibit 12

Computation of Ratio of Earnings to Fixed Charges

(In thousands)

	Twelve Months Ended December 31,
	2009			2008			2007			2006			2005
Earnings:
Income from continuing operations before income taxes	$	788,345		$	725,595		$	428,957		$	550,920		$	654,684
Fixed charges, as shown below		69,277			69,402			61,336			50,227			42,979
Equity in income of investees		(15,707	)		(11,140	)		(6,551	)		(1,201	)		(2,850	)
Noncontrolling Interest – Gas		(27,425	)		(43,191	)		(25,038	)		(29,608	)		(9,484	)
Adjusted Earnings (Loss)	$	814,490		$	740,666		$	458,704		$	570,338		$	685,329
Fixed charges:
Interest on indebtedness, expensed or capitalized		43,290			48,345			45,414			35,818			31,903
Interest within rent expense		25,987			21,057			15,922			14,409			11,076
Total Fixed Charges	$	69,277		$	69,402		$	61,336		$	50,227		$	42,979
Ratio of Earnings to Fixed Charges		11.76			10.67			7.48			11.36			15.95