EIDP (CTA-PA) S-3ASR Automatic shelf registration

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,
	2008			2007			2006			2005			2004			2003
Income before cumulative effect of changes in accounting principles	$	1,191		$	2,988		$	3,148		$	2,056		$	1,780		$	1,002
Provision for (benefit from) income taxes		273			748			196			1,470			(329	)		(930	)
Minority interests in earnings (losses) of consolidated subsidiaries		6			7			(15	)		37			(9	)		71
Adjustment for companies accounted for by the equity method		(1	)		218			11			(1	)		99			360
Capitalized interest		(13	)		(45	)		(37	)		(23	)		(17	)		(29	)
Amortization of capitalized interest		9			34			33			33			365	(a)		119	(a)
		1,465			3,950			3,336			3,572			1,889			593
Fixed charges:
Interest and debt expense		80			430			460			518			362			347
Capitalized interest		13			45			37			23			17			29
Rental expense representative of interest factor		27			107			94			88			91			90
		120			582			591			629			470			466
Total adjusted earnings available for payment of fixed charges	$	1,585		$	4,532		$	3,927		$	4,201		$	2,359		$	1,059
Number of times fixed charges earned		13.2			7.8			6.6			6.7			5.0			2.3

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