Exhibit 12

LYONDELL CHEMICAL COMPANY

STATEMENT SETTING FORTH DETAIL FOR COMPUTATION OF

RATIO OF EARNINGS TO FIXED CHARGES

(Millions of dollars)

	Year Ended December 31,
	2003			2002			2001			2000		1999
Income (loss) from continuing operations before income taxes	$	(481	)	$	(214	)	$	(228	)	$	643	$	(158	)
Fixed charges:
Interest expense, gross		588			508			495			627		717
Portion of rentals representative of interest		59			51			44			46		53
Total fixed charges before capitalized interest		647			559			539			673		770
Capitalized interest		19			10			3			—		—
Total fixed charges including capitalized interest		666			569			542			673		770
Earnings before fixed charges	$	166		$	345		$	311		$	1,316	$	612
Ratio of earnings to fixed charges (a)		—			—			—			2.0		—

(a) In 2003, 2002, 2001 and 1999, earnings were insufficient to cover fixed charges by $481, $214, $228 million and $158 million, respectively.

Exhibit 12