Exhibit 12.2

United States Steel Corporation

Computation of Ratio of Earnings to Fixed Charges

(Unaudited)

	Year Ended December 31,
(Dollars in Millions)	2010			2009			2008		2007		2006
Portion of rentals representing interest	$	32		$	26		$	33	$	32	$	44
Capitalized interest		16			15			14		7		3
Other interest and fixed charges		211			170			179		135		123
Total fixed charges (A)	$	259		$	211		$	226	$	174	$	170
Earnings-pretax income with applicable adjustments (B)	$	(141	)	$	(1,592	)	$	3,203	$	1,305	$	1,884
Ratio of (B) to (A)		(b	)		(a	)		14.17		7.50		11.08

(a) Earnings did not cover fixed charges by $1,803 million.

(b) Earnings did not cover fixed charges by $400 million.