Eagle Materials (EXP) 10-Q 2010 Q2 Quarterly report

Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

	Six Months Ended September 30,		Fiscal Year Ended March 31,
	2009		2009		2008		2007		2006		2005
Earnings(1):
Earnings before income taxes	34,683		62,183		144,384		304,288		241,066		158,089
Add: Fixed charges	11,525		29,791		27,127		11,739		8,290		3,326
Add: Cash distributions from equity method investments	17,000		33,000		37,750		29,000		27,250		30,917
Subtract: Income from equity method investments	(12,366	)	(32,426	)	(33,982	)	(32,765	)	(26,917	)	(26,921	)
Total Earnings	50,842		92,548		175,279		312,262		249,689		165,411
Fixed Charges(2):
Interest expense	9,558		24,433		20,530		11,709		8,290		3,326
Interest component of rent expense	142		281		336		341		385		461
Total Fixed Charges	9,700		24,714		20,866		12,050		8,675		3,787
Ratio of Earnings to Fixed Charges	6.2x		4.7x		9.4x		26.9x		29.8x		44.7x

(1) Earnings represent earnings before income taxes and before income from equity method investments plus: (a) fixed charges; and (b) cash distributions from equity method investments.

(2) Fixed charges include: (a) interest expense, whether expensed or capitalized, less interest accrued for uncertain tax positions; and (b) the portion of operating rental expense which management believes is representative of the interest component of rent expense.