MARATHON OIL CORP - FORM 10-Q - EX-12.1 - EXHIBIT 12-1 TO MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - May 10, 2010

Attached files

file	filename
EXCEL - IDEA: XBRL DOCUMENT - MARATHON OIL CORP	Financial_Report.xls
EX-32.1 - EXHIBIT 32-1 TO MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - MARATHON OIL CORP	ex32-1.htm
EX-32.2 - EXHIBIT 32-2 TO MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - MARATHON OIL CORP	ex32-2.htm
EX-32.2 - EXHIBIT 31-2 TO MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - MARATHON OIL CORP	ex31-2.htm
EX-31.1 - EXHIBIT 31-1 TO MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - MARATHON OIL CORP	ex31-1.htm
10-Q - MARATHON OIL CORPORATION FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2010 - MARATHON OIL CORP	form10q2010q1.htm

Exhibit 12.1

Marathon Oil Corporation

Computation of Ratio of Earnings to Fixed Charges

TOTAL ENTERPRISE BASIS - Unaudited

		Three Months Ended
(In millions)		March 31,								Year Ended December 31,

		2010				2009				2009				2008				2007				2006				2005

Portion of rentals representing interest		$	20			$	21			$	77			$	89			$	101			$	75			$	62

Capitalized interest, including
discontinued operations			117				99				441				326				214				152				83

Other interest and fixed charges,
including discontinued operations			17				24				160				153				135				147				240

Total fixed charges (A)		$	154			$	144			$	678			$	568			$	450			$	374			$	385

Earnings-pretax income with
applicable adjustments (B)		$	988			$	604			$	3,816			$	7,145			$	6,761			$	8,717			$	4,739

Ratio of (B) to (A)			6.42				4.19				5.63				12.58				15.02				23.31				12.31