Exhibit 12

CBS CORPORATION AND SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Tabular dollars in millions, except ratios)

	Twelve Months Ended December 31,
	2011		2010		2009		2008		2007
Earnings (loss) from continuing operations before income taxes and equity in loss of investee companies	$2,083		$1,222		$443		$(12,575	)	$2,133
Add:
Distributions from investee companies	13		—		2		6		8
Interest expense, net of capitalized interest	436		529		542		547		571
1/3 of rental expense	200		198		206		216		193
Total Earnings (loss) from continuing operations	$2,732		$1,949		$1,193		$(11,806	)	$2,905
Fixed charges:
Interest expense, net of capitalized interest	$436		$529		$542		$547		$571
1/3 of rental expense	200		198		206		216		193
Total fixed charges	$636		$727		$748		$763		$764
Ratio of earnings to fixed charges	4.3	x	2.7	x	1.6	x	Note (a)		3.8	x

Note:

(a) Earnings are inadequate to cover fixed charges by $12.57 billion in 2008 due to the non-cash impairment charges of $14.18 billion.