EXHIBIT 12.1

Ratio of Earnings to Fixed Charges

(amounts in thousands other than ratios)

	Predecessor										Successor
	Year Ended								For the period December 31, 2011 through September 7, 2012		For the period September 8, 2012 through December 28, 2012			For the Three Months Ended March 29, 2013
	December 26, 2008		December 25, 2009		December 31, 2010		December 30, 2011
Earnings:
Income (loss) before income    taxes	$	65,458	$	43,161	$	46,750	$	61,511	$	24,208	$	(38,947	)	$	(5,919	)
Fixed charges (from below)	39,218		29,600		28,665		35,002		24,293		23,270			19,217
Total earnings (loss)	$	104,676	$	72,761	$	75,415	$	96,513	$	48,501	$	(15,677	)	$	13,298
Fixed Charges:
Interest expense	$	28,482	$	19,044	$	18,710	$	24,355	$	16,631	$	19,773		$	15,824
Interest in rent expense    estimated at 30% of rent expense	10,736		10,556		9,955		10,647		7,662		3,497			3,393
Total fixed charges (A)	$	39,218	$	29,600	$	28,665	$	35,002	$	24,293	$	23,270		$	19,217
Ratio of Earnings to Fixed Charges	2.7		2.5		2.6		2.8		2.0		(B)			(C)
(A) Preferred security dividends of Interline New Jersey were excluded from fixed charges as preferred stock was held solely by corporate parent. Effective July 1, 2012, preferred stock of Interline New Jersey was canceled and retired.
(B) Loss for the period from September 8, 2012 through December 28, 2012 was insufficient to cover fixed charges by $15.7 million. As a result of such deficiency, the ratio is not presented above.
(C) Total earnings for the three months ended March 29, 2013 was insufficient to cover fixed charges by $5.9 million. As a result of such deficiency, the ratio is not presented above.

Ratio of Earnings to Combined Fixed Charges and Preferred Dividends

(amounts in thousands other than ratios)

	Predecessor															Successor
	Year Ended												For the period December 31, 2011 through September 7, 2012			For the period September 8, 2012 through December 28, 2012			For the Three Months Ended March 29, 2013
	December 26, 2008			December 25, 2009			December 31, 2010			December 30, 2011
Earnings:
Income (loss) before income    taxes	$	65,458		$	43,161		$	46,750		$	61,511		$	24,208		$	(38,947	)	$	(5,919	)
Fixed charges (from below)	39,218			29,600			28,665			35,002			24,293			23,270			19,217
Total earnings (loss)	$	104,676		$	72,761		$	75,415		$	96,513		$	48,501		$	(15,677	)	$	13,298
Fixed Charges:
Interest expense	$	28,482		$	19,044		$	18,710		$	24,355		$	16,631		$	19,773		$	15,824
Interest in rent expense    estimated at 30% of rent expense	10,736			10,556			9,955			10,647			7,662			3,497			3,393
Total fixed charges (A)	$	39,218		$	29,600		$	28,665		$	35,002		$	24,293		$	23,270		$	19,217
Preferred dividends (calculated    below)	—			—			—			—			—			—			—
Total combined fixed charges and    preferred dividends	$	39,218		$	29,600		$	28,665		$	35,002		$	24,293		$	23,270		$	19,217
Ratio of Earnings to Combined Fixed Charges and Preferred Dividends	2.7			2.5			2.6			2.8			2.0			(B)			(C)
Surplus (Deficit)	$	65,458		$	43,161		$	46,750		$	61,511		$	24,208		$	(38,947	)	$	(5,919	)
Preferred Dividends:
Preferred dividend amount (A)	—			—			—			—			—			—			—
Tax rate	37.6		%	39.6		%	40.3		%	38.8		%	47.0		%	27.0		%	75.0		%
Preferred dividends	—			—			—			—			—			—			—
(A) Preferred security dividends of Interline New Jersey were excluded from fixed charges as preferred stock was held solely by corporate parent. Effective July 1, 2012, preferred stock of Interline New Jersey was canceled and retired.
(B) Loss for the period from September 8, 2012 through December 28, 2012 was insufficient to cover fixed charges by $15.7 million. As a result of such deficiency, the ratio is not presented above.
(C) Total earnings for the three months ended March 29, 2013 was insufficient to cover fixed charges by $5.9 million. As a result of such deficiency, the ratio is not presented above.