Exhibit 12

LSB Industries, Inc.

Unaudited Computation of Ratios of Earnings to Fixed Charges and Combined Fixed Charges and Preferred Stock Dividends

(Dollars In Thousands)

	Year Ended December 31,										Nine Months Ended September 30,
	2007		2008		2009		2010		2011		2011		2012
Income from continuing operations before provisions for income taxes and equity in earnings of affiliate	$	48,197	$	54,399	$	35,877	$	48,499	$	129,649	$	89,189	$	73,764
Add:
Fixed charges		15,674		12,042		8,001		7,254		6,548		5,273		4,514
Share of distributed income of 50% owned affiliate		765		735		785		825		1,649		1,223		1,285
Adjusted Earnings	$	64,636	$	67,176	$	44,663	$	56,578	$	137,846	$	95,685	$	79,563
Fixed Charges
Interest expense (1)	$	11,723	$	8,510	$	6,016	$	5,900	$	4,733	$	3,656	$	3,285
Estimate of interest in rental expense		3,951		3,532		1,985		1,354		1,815		1,617		1,229
Fixed Charges	$	15,674	$	12,042	$	8,001	$	7,254	$	6,548	$	5,273	$	4,514
Preferred stock dividends		5,912		463		519		509		473		488		473
Combined fixed charges and preferred stock dividends	$	21,586	$	12,505	$	8,520	$	7,763	$	7,021	$	5,761	$	4,987
Ratio of earnings to fixed charges		4.1		5.6		5.6		7.8		21.1		18.1		17.6
Ratio of earnings to combined fixed charges and preferred stock dividends		3.0		5.4		5.2		7.3		19.6		16.6		16.0

(1) Interest expense includes amortization of deferred debt issuance costs and excludes realized and unrealized gains or losses on interest rate financial instruments that are reported as interest expense.