Exhibit 12

E. I. DU PONT DE NEMOURS AND COMPANY

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in millions)

	Three Months
	Ended
	March 31,			Years Ended December 31,
	2009			2008			2007			2006			2005			2004
Income attributable to DuPont before cumulative effect of changes in accounting principles	$	488		$	2,007		$	2,988		$	3,148		$	2,056		$	1,780
Provision for (benefit from) income taxes		260			381			748			196			1,470			(329	)
Noncontrolling interests in earnings (losses) of consolidated subsidiaries		1			3			7			(15	)		37			(9	)
Adjustment for companies accounted for by the equity method		(28	)		6			218			11			(1	)		99
Capitalized interest		(14	)		(49	)		(45	)		(37	)		(23	)		(17	)
Amortization of capitalized interest		9			37			34			33			33			365	a
		716			2,385			3,950			3,336			3,572			1,889
Fixed charges:
Interest and debt expense		106			376			430			460			518			362
Capitalized interest		14			49			45			37			23			17
Rental expense representative of interest factor		27			107			107			94			88			91
		147			532			582			591			629			470
Total adjusted earnings available for payment of fixed charges	$	863		$	2,917		$	4,532		$	3,927		$	4,201		$	2,359
Number of times fixed charges earned		5.9			5.5			7.8			6.6			6.7			5.0

^a Includes write-off of capitalized interest associated with exiting certain businesses.