United States Steel (X) 10-Q 2009 Q3 Quarterly report

Exhibit 12.2

United States Steel Corporation

Computation of Ratio of Earnings to Fixed Charges

(Unaudited)

	Nine Months Ended September 30,					Year Ended December 31,
(Dollars in Millions)	2009			2008		2008		2007		2006		2005		2004
Portion of rentals representing interest	$	19		$	7	$	33	$	32	$	44	$	45	$	51
Capitalized interest		13			10		14		7		3		12		8
Other interest and fixed charges		123			136		179		135		123		87		131
Total fixed charges (A)	$	155		$	153	$	226	$	174	$	170	$	144	$	190
Earnings-pretax income with applicable adjustments (B)	$	(1,262	)	$	2,609	$	3,203	$	1,305	$	1,884	$	1,467	$	1,687
Ratio of (B) to (A)		(a	)		17.05		14.17		7.50		11.08		10.19		8.88

^(a) Earnings did not cover fixed charges by $1,417 million.