Exhibit 12

UNISYS CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND

PREFERRED STOCK DIVIDENDS (UNAUDITED)

($ in millions)

	Six Months Ended June 30, 2012			Years Ended December 31
				2011			2010			2009			2008			2007
Fixed charges
Interest expense	$	17.2		$	63.1		$	101.8		$	95.2		$	85.1		$	76.3
Interest capitalized during the period		3.3			4.9			9.1			7.5			9.0			9.1
Amortization of debt issuance expenses		.9			1.9			2.6			3.3			4.1			3.8
Portion of rental expense representative of interest		14.0			32.6			33.5			34.9			46.9			52.4
Total Fixed Charges		35.4			102.5			147.0			140.9			145.1			141.6
Preferred stock dividend requirements (a)		8.1			13.5			—			—			—			—
Total fixed charges and preferred stock dividends		43.5			116.0			147.0			140.9			145.1			141.6
Earnings
Income (loss) from continuing operations before income taxes		117.1			206.0			222.9			218.2			(97.6	)		14.8
Add amortization of capitalized interest		3.5			7.4			9.1			11.6			16.1			14.5
Subtotal		120.6			213.4			232.0			229.8			(81.5	)		29.3
Fixed charges per above		35.4			102.5			147.0			140.9			145.1			141.6
Less interest capitalized during the period		(3.3	)		(4.9	)		(9.1	)		(7.5	)		(9.0	)		(9.1	)
Total earnings	$	152.7		$	311.0		$	369.9		$	363.2		$	54.6		$	161.8
Ratio of earnings to fixed charges		4.31			3.03			2.52			2.58			*			1.14
Ratio of earnings to fixed charges and preferred stock dividends		3.70			2.80			2.52			2.58			**			1.14

(a) Amounts have not been grossed up for income taxes since the preferred stock was issued by the U.S. parent corporation which has a full valuation allowance against its net deferred tax assets.

* Earnings for the year ended December 31, 2008 were inadequate to cover fixed charges by $90.5 million.

** Earnings for the year ended December 31, 2008 were inadequate to cover fixed charges and preferred stock dividends by $90.5 million.