Exhibit 12

DISCOVERY COMMUNICATIONS, INC.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND

RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS

(unaudited; in millions, except ratio amounts)

	Years Ended December 31,
	2012		2011			2010			2009			2008
Earnings:
Income from continuing operations, net of taxes(a)	$	956	$	1,136		$	659		$	570		$	383
Add:
Provision for income taxes(a)	562		427			293			469			372
Loss of equity investees	86		35			57			24			65
Distributions of income from equity investees	20		30			15			4			4
Total interest expense	251		211			207			249			258
Portion of rents representative of the interest factor	22		26			28			27			46
Earnings, as adjusted	$	1,897	$	1,865		$	1,259		$	1,343		$	1,128
Fixed charges:
Total interest expense	$	251	$	211		$	207		$	249		$	258
Portion of rents representative of the interest factor	22		26			28			27			46
Total fixed charges	$	273	$	237		$	235		$	276		$	304
Preferred stock dividends	—		—			1			15			—
Total combined fixed charges and preferred stock dividends	$	273	$	237		$	236		$	291		$	304
Ratio of earnings to fixed charges	6.9		7.9		x	5.4		x	4.9		x	3.7		x
Ratio of earnings to combined fixed charges and preferred stock dividends	6.9		7.9		x	5.3		x	4.6		x	3.7		x

^(a) On September 17, 2012, we sold our postproduction audio business, whose results of operations have been reclassified to discontinued operations for all periods presented. (See Note 3 to the accompanying consolidated financial statements.)