EXHIBIT 12.01

MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

For the Year Ended December 31, 2009

(add 000, except ratio)

EARNINGS:
Earnings before income taxes	$	112,557	**
Loss from less than 50%-owned associated companies, net		1,313
Interest Expense*		73,460
Portion of rents representative of an interest factor		17,301
Adjusted Earnings and Fixed Charges	$	204,631
FIXED CHARGES:
Interest Expense*	$	73,460
Capitalized Interest		1,010
Portion of rents representative of an interest factor		17,301
Total Fixed Charges	$	91,771
Ratio of Earnings to Fixed Charges		2.23

*	Interest Expense excluded interest income of $343 related to the reversal of interest accruals for uncertain tax positions.
**	Note: Use Earnings from Continuing Operations less net earnings attributable to noncontrolling interests.