Exhibit 12.1

KEMET Corporation

Calculation of Earnings to Fixed Charges

(amounts in thousands)

	Fiscal Year Ended March 31,														Quarter Ended June 30,
	2006			2007		2008			2009			2010			2009		2010
Earnings
Pre-tax income (loss)	$	(12,100	)	$	4,769	$	(20,104	)	$	(288,411	)	$	(64,411	)	$	26,120	$	(18,824	)
Add:
Interest expense	6,628			9,865		21,696			29,789			26,008			5,819		7,458
Capitalized interest	32			19		486			—			612			—		56
Interest on rent	—			—		946			1,027			1,608			274		414
Total earnings available for fixed charges	$	(5,440	)	$	14,653	$	3,024		$	(257,595	)	$	(36,183	)	$	32,213	$	(10,896	)
Fixed charges
Interest expense	6,628			9,865		21,696			29,789			26,008			5,819		7,458
Capitalized interest	32			19		486			—			612			—		56
Interest on rent	—			—		946			1,027			1,608			274		414
Total fixed charges	$	6,660		$	9,884	$	23,128		$	30,816		$	28,228		$	6,093	$	7,928
Ratio of earnings to fixed charges	—			1.5		—			—			—			5.3		—
Earnings to fixed charges deficiency	$	12,100		—		$	20,104		$	288,411		$	64,411		—		$	18,824