Williams Partners 8-K Other Events

Exhibit 12

Williams Partners L.P.

Computation of Ratio of Earnings to Fixed Charges

	Years Ended December 31,
	2013			2012			2011			2010			2009
	(Millions)
Earnings:
Income before income taxes	$	1,149		$	1,333		$	1,650		$	1,264		$	1,067
Less: Equity earnings (1)	(104		)	(111		)	(142		)	(109		)	(81		)
Income before income taxes and equity earnings	1,045			1,222			1,508			1,155			986
Add:
Fixed charges:
Interest incurred (1)	477			458			439			399			262
Rental expense representative of interest factor	10			8			7			7			9
Total fixed charges	487			466			446			406			271
Distributed income of equity method investees (1)	152			160			167			133			78
Less:
Interest capitalized	(90		)	(54		)	(24		)	(35		)	(60		)
Total earnings as adjusted	$	1,594		$	1,794		$	2,097		$	1,659		$	1,275
Fixed charges	$	487		$	466		$	446		$	406		$	271
Ratio of earnings to fixed charges	3.27			3.85			4.70			4.09			4.70

(1) Prior years have been recast to include the effect of 50%-owned companies.